Unified Coverage Report :: Module

Line Coverage for Module : prim_pulse_sync

	Line No.	Total	Covered	Percent
TOTAL		7	7	100.00
ALWAYS	31	3	3	100.00
CONT_ASSIGN	49	0	0
CONT_ASSIGN	52	0	0
ALWAYS	55	0	0
ALWAYS	89	3	3	100.00
CONT_ASSIGN	97	1	1	100.00



30                        always_ff @(posedge clk_src_i or negedge rst_src_ni) begin
31         1/1              if (!rst_src_ni) begin
           Tests:       T1 T4 T2 
32         1/1                src_level <= 1'b0;
           Tests:       T1 T4 T2 
33                          end else begin
34         1/1                src_level <= src_level ^ src_pulse_i;
           Tests:       T1 T4 T2 
35                          end
36                        end
37                      
38                      
39                        // source active must come far enough such that the destination domain has time
40                        // to create a valid pulse.
41                      `ifdef INC_ASSERT
42                        //VCS coverage off
43                        // pragma coverage off
44                      
45                        // source active flag tracks whether there is an ongoing "toggle" event.
46                        // Until this toggle event is accepted by the destination domain (negative edge of
47                        // of the pulse output), the source side cannot toggle again.
48                        logic effective_rst_n;
49         unreachable    assign effective_rst_n = rst_src_ni && dst_pulse_o;
50                      
51                        logic src_active_flag_d, src_active_flag_q;
52         unreachable    assign src_active_flag_d = src_pulse_i || src_active_flag_q;
53                      
54                        always_ff @(posedge clk_src_i or negedge effective_rst_n) begin
55         unreachable      if (!effective_rst_n) begin
56         unreachable        src_active_flag_q <= '0;
57                          end else begin
58         unreachable        src_active_flag_q <= src_active_flag_d;
59                          end
60                        end
61                      
62                        //VCS coverage on
63                        // pragma coverage on
64                      
65                        `ASSERT(SrcPulseCheck_M, src_pulse_i |-> !src_active_flag_q, clk_src_i, !rst_src_ni)
66                      `endif
67                      
68                        //////////////////////////////////////////////////////////
69                        // synchronize level signal to destination clock domain //
70                        //////////////////////////////////////////////////////////
71                        logic dst_level;
72                      
73                        prim_flop_2sync #(.Width(1)) prim_flop_2sync (
74                          // source clock domain
75                          .d_i    (src_level),
76                          // destination clock domain
77                          .clk_i  (clk_dst_i),
78                          .rst_ni (rst_dst_ni),
79                          .q_o    (dst_level)
80                        );
81                      
82                        ////////////////////////////////////////
83                        // convert level signal back to pulse //
84                        ////////////////////////////////////////
85                        logic dst_level_q;
86                      
87                        // delay dst_level by 1 cycle
88                        always_ff @(posedge clk_dst_i or negedge rst_dst_ni) begin
89         1/1              if (!rst_dst_ni) begin
           Tests:       T1 T4 T2 
90         1/1                dst_level_q <= 1'b0;
           Tests:       T1 T4 T2 
91                          end else begin
92         1/1                dst_level_q <= dst_level;
           Tests:       T1 T4 T2 
93                          end
94                        end
95                      
96                        // edge detection
97         1/1            assign dst_pulse_o = dst_level_q ^ dst_level;
           Tests:       T1 T4 T2

Cond Coverage for Module : prim_pulse_sync

	Total	Covered	Percent
Conditions	8	8	100.00
Logical	8	8	100.00
Non-Logical	0	0
Event	0	0

 LINE       34
 EXPRESSION (src_level ^ src_pulse_i)
             ----1----   -----2-----

-1-	-2-	Status	Tests
0	0	Covered	T1,T4,T2
0	1	Covered	T1,T2,T14
1	0	Covered	T1,T2,T14
1	1	Covered	T3,T6,T23

 LINE       97
 EXPRESSION (dst_level_q ^ dst_level)
             -----1-----   ----2----

-1-	-2-	Status	Tests
0	0	Covered	T1,T4,T2
0	1	Covered	T1,T2,T14
1	0	Covered	T3,T6,T23
1	1	Covered	T1,T2,T14

Branch Coverage for Module : prim_pulse_sync

	Line No.	Total	Covered	Percent
Branches		4	4	100.00
IF	31	2	2	100.00
IF	89	2	2	100.00



31             if (!rst_src_ni) begin
               -1-  
32               src_level <= 1'b0;
                 ==>
33             end else begin
34               src_level <= src_level ^ src_pulse_i;
                 ==>

Branches:

-1-	Status	Tests
1	Covered	T1,T4,T2
0	Covered	T1,T4,T2



89             if (!rst_dst_ni) begin
               -1-  
90               dst_level_q <= 1'b0;
                 ==>
91             end else begin
92               dst_level_q <= dst_level;
                 ==>

Branches:

-1-	Status	Tests
1	Covered	T1,T4,T2
0	Covered	T1,T4,T2

Assert Coverage for Module : prim_pulse_sync

	Total	Attempted	Percent	Succeeded/Matched	Percent
Assertions	2	2	100.00	2	100.00
Cover properties	0	0		0
Cover sequences	0	0		0
Total	2	2	100.00	2	100.00

Assertion Details

Name	Attempts	Real Successes	Failures	Incomplete
DstPulseCheck_A	2147483647	202176	0	0
SrcPulseCheck_M	2147483647	205893	0	0

DstPulseCheck_A

Name	Attempts	Real Successes
Total	2147483647	202176
T1	64127	2
T2	119446	2
T3	119264	0
T4	31160	0
T5	423576	0
T6	190344	0
T7	245588	2
T8	47706	2
T12	52280	0
T13	211851	0
T14	92173	0
T15	244214	0
T16	484716	12
T17	99354	0
T24	845686	33
T25	216944	0
T26	502640	0
T27	0	14
T28	0	14
T29	0	2
T30	0	15
T31	0	4
T37	0	8
T53	0	2
T54	0	2
T55	0	2
T56	0	16
T57	0	2
T58	0	4
T59	0	12
T60	0	12
T61	0	16
T62	122714	0
T63	411076	0
T64	50595	0
T65	51023	0

SrcPulseCheck_M

Name	Attempts	Real Successes
Total	2147483647	205893
T1	64127	2
T2	119446	2
T3	119264	0
T4	31160	0
T5	423576	0
T6	190344	0
T7	245588	2
T8	47706	2
T12	52280	0
T13	211851	0
T14	92173	0
T15	244214	0
T16	484716	12
T17	99354	0
T24	7077	33
T25	216944	0
T26	502640	0
T27	0	14
T28	0	14
T29	0	2
T30	0	15
T31	0	4
T37	0	8
T53	0	2
T54	0	2
T55	0	2
T56	0	16
T57	0	2
T58	0	4
T59	0	12
T60	0	12
T61	0	16
T62	122714	0
T63	411076	0
T64	405	0
T65	425	0

Line Coverage for Instance : tb.dut.u_reg.u_ec_rst_ctl_cdc.u_src_to_dst_req

	Line No.	Total	Covered	Percent
TOTAL		7	7	100.00
ALWAYS	31	3	3	100.00
CONT_ASSIGN	49	0	0
CONT_ASSIGN	52	0	0
ALWAYS	55	0	0
ALWAYS	89	3	3	100.00
CONT_ASSIGN	97	1	1	100.00



30                        always_ff @(posedge clk_src_i or negedge rst_src_ni) begin
31         1/1              if (!rst_src_ni) begin
           Tests:       T1 T4 T2 
32         1/1                src_level <= 1'b0;
           Tests:       T1 T4 T2 
33                          end else begin
34         1/1                src_level <= src_level ^ src_pulse_i;
           Tests:       T1 T4 T2 
35                          end
36                        end
37                      
38                      
39                        // source active must come far enough such that the destination domain has time
40                        // to create a valid pulse.
41                      `ifdef INC_ASSERT
42                        //VCS coverage off
43                        // pragma coverage off
44                      
45                        // source active flag tracks whether there is an ongoing "toggle" event.
46                        // Until this toggle event is accepted by the destination domain (negative edge of
47                        // of the pulse output), the source side cannot toggle again.
48                        logic effective_rst_n;
49         unreachable    assign effective_rst_n = rst_src_ni && dst_pulse_o;
50                      
51                        logic src_active_flag_d, src_active_flag_q;
52         unreachable    assign src_active_flag_d = src_pulse_i || src_active_flag_q;
53                      
54                        always_ff @(posedge clk_src_i or negedge effective_rst_n) begin
55         unreachable      if (!effective_rst_n) begin
56         unreachable        src_active_flag_q <= '0;
57                          end else begin
58         unreachable        src_active_flag_q <= src_active_flag_d;
59                          end
60                        end
61                      
62                        //VCS coverage on
63                        // pragma coverage on
64                      
65                        `ASSERT(SrcPulseCheck_M, src_pulse_i |-> !src_active_flag_q, clk_src_i, !rst_src_ni)
66                      `endif
67                      
68                        //////////////////////////////////////////////////////////
69                        // synchronize level signal to destination clock domain //
70                        //////////////////////////////////////////////////////////
71                        logic dst_level;
72                      
73                        prim_flop_2sync #(.Width(1)) prim_flop_2sync (
74                          // source clock domain
75                          .d_i    (src_level),
76                          // destination clock domain
77                          .clk_i  (clk_dst_i),
78                          .rst_ni (rst_dst_ni),
79                          .q_o    (dst_level)
80                        );
81                      
82                        ////////////////////////////////////////
83                        // convert level signal back to pulse //
84                        ////////////////////////////////////////
85                        logic dst_level_q;
86                      
87                        // delay dst_level by 1 cycle
88                        always_ff @(posedge clk_dst_i or negedge rst_dst_ni) begin
89         1/1              if (!rst_dst_ni) begin
           Tests:       T1 T4 T2 
90         1/1                dst_level_q <= 1'b0;
           Tests:       T1 T4 T2 
91                          end else begin
92         1/1                dst_level_q <= dst_level;
           Tests:       T1 T4 T2 
93                          end
94                        end
95                      
96                        // edge detection
97         1/1            assign dst_pulse_o = dst_level_q ^ dst_level;
           Tests:       T1 T2 T14

Cond Coverage for Instance : tb.dut.u_reg.u_ec_rst_ctl_cdc.u_src_to_dst_req

	Total	Covered	Percent
Conditions	8	8	100.00
Logical	8	8	100.00
Non-Logical	0	0
Event	0	0

 LINE       34
 EXPRESSION (src_level ^ src_pulse_i)
             ----1----   -----2-----

-1-	-2-	Status	Tests
0	0	Covered	T1,T4,T2
0	1	Covered	T1,T2,T14
1	0	Covered	T1,T2,T14
1	1	Covered	T274,T20,T21

 LINE       97
 EXPRESSION (dst_level_q ^ dst_level)
             -----1-----   ----2----

-1-	-2-	Status	Tests
0	0	Covered	T1,T4,T2
0	1	Covered	T1,T2,T14
1	0	Covered	T274,T20,T21
1	1	Covered	T1,T2,T14

Branch Coverage for Instance : tb.dut.u_reg.u_ec_rst_ctl_cdc.u_src_to_dst_req

	Line No.	Total	Covered	Percent
Branches		4	4	100.00
IF	31	2	2	100.00
IF	89	2	2	100.00



31             if (!rst_src_ni) begin
               -1-  
32               src_level <= 1'b0;
                 ==>
33             end else begin
34               src_level <= src_level ^ src_pulse_i;
                 ==>

Branches:

-1-	Status	Tests
1	Covered	T1,T4,T2
0	Covered	T1,T4,T2



89             if (!rst_dst_ni) begin
               -1-  
90               dst_level_q <= 1'b0;
                 ==>
91             end else begin
92               dst_level_q <= dst_level;
                 ==>

Branches:

-1-	Status	Tests
1	Covered	T1,T4,T2
0	Covered	T1,T4,T2

Assert Coverage for Instance : tb.dut.u_reg.u_ec_rst_ctl_cdc.u_src_to_dst_req

	Total	Attempted	Percent	Succeeded/Matched	Percent
Assertions	2	2	100.00	2	100.00
Cover properties	0	0		0
Cover sequences	0	0		0
Total	2	2	100.00	2	100.00

Assertion Details

Name	Attempts	Real Successes	Failures	Incomplete
DstPulseCheck_A	5045782	1691	0	0
SrcPulseCheck_M	1237025007	1800	0	0

DstPulseCheck_A

Name	Attempts	Real Successes
Total	5045782	1691
T1	509	1
T2	485	1
T3	1755	0
T4	510	0
T7	0	1
T8	0	1
T12	450	0
T13	422	0
T14	761	1
T15	492	0
T16	670	0
T17	408	0
T24	0	1
T29	0	1
T53	0	1
T54	0	1
T69	0	1

SrcPulseCheck_M

Name	Attempts	Real Successes
Total	1237025007	1800
T1	63618	1
T2	118961	1
T3	117509	0
T4	30650	0
T7	0	1
T8	0	1
T12	51830	0
T13	211429	0
T14	91412	1
T15	243722	0
T16	160902	0
T17	32710	0
T24	0	1
T29	0	1
T53	0	1
T54	0	1
T69	0	1

Line Coverage for Instance : tb.dut.u_reg.u_ec_rst_ctl_cdc.u_arb.gen_passthru.u_dst_to_src_ack

	Line No.	Total	Covered	Percent
TOTAL		7	7	100.00
ALWAYS	31	3	3	100.00
CONT_ASSIGN	49	0	0
CONT_ASSIGN	52	0	0
ALWAYS	55	0	0
ALWAYS	89	3	3	100.00
CONT_ASSIGN	97	1	1	100.00



30                        always_ff @(posedge clk_src_i or negedge rst_src_ni) begin
31         1/1              if (!rst_src_ni) begin
           Tests:       T1 T4 T2 
32         1/1                src_level <= 1'b0;
           Tests:       T1 T4 T2 
33                          end else begin
34         1/1                src_level <= src_level ^ src_pulse_i;
           Tests:       T1 T4 T2 
35                          end
36                        end
37                      
38                      
39                        // source active must come far enough such that the destination domain has time
40                        // to create a valid pulse.
41                      `ifdef INC_ASSERT
42                        //VCS coverage off
43                        // pragma coverage off
44                      
45                        // source active flag tracks whether there is an ongoing "toggle" event.
46                        // Until this toggle event is accepted by the destination domain (negative edge of
47                        // of the pulse output), the source side cannot toggle again.
48                        logic effective_rst_n;
49         unreachable    assign effective_rst_n = rst_src_ni && dst_pulse_o;
50                      
51                        logic src_active_flag_d, src_active_flag_q;
52         unreachable    assign src_active_flag_d = src_pulse_i || src_active_flag_q;
53                      
54                        always_ff @(posedge clk_src_i or negedge effective_rst_n) begin
55         unreachable      if (!effective_rst_n) begin
56         unreachable        src_active_flag_q <= '0;
57                          end else begin
58         unreachable        src_active_flag_q <= src_active_flag_d;
59                          end
60                        end
61                      
62                        //VCS coverage on
63                        // pragma coverage on
64                      
65                        `ASSERT(SrcPulseCheck_M, src_pulse_i |-> !src_active_flag_q, clk_src_i, !rst_src_ni)
66                      `endif
67                      
68                        //////////////////////////////////////////////////////////
69                        // synchronize level signal to destination clock domain //
70                        //////////////////////////////////////////////////////////
71                        logic dst_level;
72                      
73                        prim_flop_2sync #(.Width(1)) prim_flop_2sync (
74                          // source clock domain
75                          .d_i    (src_level),
76                          // destination clock domain
77                          .clk_i  (clk_dst_i),
78                          .rst_ni (rst_dst_ni),
79                          .q_o    (dst_level)
80                        );
81                      
82                        ////////////////////////////////////////
83                        // convert level signal back to pulse //
84                        ////////////////////////////////////////
85                        logic dst_level_q;
86                      
87                        // delay dst_level by 1 cycle
88                        always_ff @(posedge clk_dst_i or negedge rst_dst_ni) begin
89         1/1              if (!rst_dst_ni) begin
           Tests:       T1 T4 T2 
90         1/1                dst_level_q <= 1'b0;
           Tests:       T1 T4 T2 
91                          end else begin
92         1/1                dst_level_q <= dst_level;
           Tests:       T1 T4 T2 
93                          end
94                        end
95                      
96                        // edge detection
97         1/1            assign dst_pulse_o = dst_level_q ^ dst_level;
           Tests:       T1 T4 T2

Cond Coverage for Instance : tb.dut.u_reg.u_ec_rst_ctl_cdc.u_arb.gen_passthru.u_dst_to_src_ack

	Total	Covered	Percent
Conditions	8	8	100.00
Logical	8	8	100.00
Non-Logical	0	0
Event	0	0

 LINE       34
 EXPRESSION (src_level ^ src_pulse_i)
             ----1----   -----2-----

-1-	-2-	Status	Tests
0	0	Covered	T1,T4,T2
0	1	Covered	T1,T2,T14
1	0	Covered	T1,T2,T14
1	1	Covered	T274,T20,T21

 LINE       97
 EXPRESSION (dst_level_q ^ dst_level)
             -----1-----   ----2----

-1-	-2-	Status	Tests
0	0	Covered	T1,T4,T2
0	1	Covered	T1,T2,T14
1	0	Covered	T274,T20,T21
1	1	Covered	T1,T2,T14

Branch Coverage for Instance : tb.dut.u_reg.u_ec_rst_ctl_cdc.u_arb.gen_passthru.u_dst_to_src_ack

	Line No.	Total	Covered	Percent
Branches		4	4	100.00
IF	31	2	2	100.00
IF	89	2	2	100.00



31             if (!rst_src_ni) begin
               -1-  
32               src_level <= 1'b0;
                 ==>
33             end else begin
34               src_level <= src_level ^ src_pulse_i;
                 ==>

Branches:

-1-	Status	Tests
1	Covered	T1,T4,T2
0	Covered	T1,T4,T2



89             if (!rst_dst_ni) begin
               -1-  
90               dst_level_q <= 1'b0;
                 ==>
91             end else begin
92               dst_level_q <= dst_level;
                 ==>

Branches:

-1-	Status	Tests
1	Covered	T1,T4,T2
0	Covered	T1,T4,T2

Assert Coverage for Instance : tb.dut.u_reg.u_ec_rst_ctl_cdc.u_arb.gen_passthru.u_dst_to_src_ack

	Total	Attempted	Percent	Succeeded/Matched	Percent
Assertions	2	2	100.00	2	100.00
Cover properties	0	0		0
Cover sequences	0	0		0
Total	2	2	100.00	2	100.00

Assertion Details

Name	Attempts	Real Successes	Failures	Incomplete
DstPulseCheck_A	1237025007	1792	0	0
SrcPulseCheck_M	5045782	1792	0	0

DstPulseCheck_A

Name	Attempts	Real Successes
Total	1237025007	1792
T1	63618	1
T2	118961	1
T3	117509	0
T4	30650	0
T7	0	1
T8	0	1
T12	51830	0
T13	211429	0
T14	91412	1
T15	243722	0
T16	160902	0
T17	32710	0
T24	0	1
T29	0	1
T53	0	1
T54	0	1
T69	0	1

SrcPulseCheck_M

Name	Attempts	Real Successes
Total	5045782	1792
T1	509	1
T2	485	1
T3	1755	0
T4	510	0
T7	0	1
T8	0	1
T12	450	0
T13	422	0
T14	761	1
T15	492	0
T16	670	0
T17	408	0
T24	0	1
T29	0	1
T53	0	1
T54	0	1
T69	0	1

Line Coverage for Instance : tb.dut.u_reg.u_ulp_ac_debounce_ctl_cdc.u_src_to_dst_req

	Line No.	Total	Covered	Percent
TOTAL		7	7	100.00
ALWAYS	31	3	3	100.00
CONT_ASSIGN	49	0	0
CONT_ASSIGN	52	0	0
ALWAYS	55	0	0
ALWAYS	89	3	3	100.00
CONT_ASSIGN	97	1	1	100.00



30                        always_ff @(posedge clk_src_i or negedge rst_src_ni) begin
31         1/1              if (!rst_src_ni) begin
           Tests:       T1 T4 T2 
32         1/1                src_level <= 1'b0;
           Tests:       T1 T4 T2 
33                          end else begin
34         1/1                src_level <= src_level ^ src_pulse_i;
           Tests:       T1 T4 T2 
35                          end
36                        end
37                      
38                      
39                        // source active must come far enough such that the destination domain has time
40                        // to create a valid pulse.
41                      `ifdef INC_ASSERT
42                        //VCS coverage off
43                        // pragma coverage off
44                      
45                        // source active flag tracks whether there is an ongoing "toggle" event.
46                        // Until this toggle event is accepted by the destination domain (negative edge of
47                        // of the pulse output), the source side cannot toggle again.
48                        logic effective_rst_n;
49         unreachable    assign effective_rst_n = rst_src_ni && dst_pulse_o;
50                      
51                        logic src_active_flag_d, src_active_flag_q;
52         unreachable    assign src_active_flag_d = src_pulse_i || src_active_flag_q;
53                      
54                        always_ff @(posedge clk_src_i or negedge effective_rst_n) begin
55         unreachable      if (!effective_rst_n) begin
56         unreachable        src_active_flag_q <= '0;
57                          end else begin
58         unreachable        src_active_flag_q <= src_active_flag_d;
59                          end
60                        end
61                      
62                        //VCS coverage on
63                        // pragma coverage on
64                      
65                        `ASSERT(SrcPulseCheck_M, src_pulse_i |-> !src_active_flag_q, clk_src_i, !rst_src_ni)
66                      `endif
67                      
68                        //////////////////////////////////////////////////////////
69                        // synchronize level signal to destination clock domain //
70                        //////////////////////////////////////////////////////////
71                        logic dst_level;
72                      
73                        prim_flop_2sync #(.Width(1)) prim_flop_2sync (
74                          // source clock domain
75                          .d_i    (src_level),
76                          // destination clock domain
77                          .clk_i  (clk_dst_i),
78                          .rst_ni (rst_dst_ni),
79                          .q_o    (dst_level)
80                        );
81                      
82                        ////////////////////////////////////////
83                        // convert level signal back to pulse //
84                        ////////////////////////////////////////
85                        logic dst_level_q;
86                      
87                        // delay dst_level by 1 cycle
88                        always_ff @(posedge clk_dst_i or negedge rst_dst_ni) begin
89         1/1              if (!rst_dst_ni) begin
           Tests:       T1 T4 T2 
90         1/1                dst_level_q <= 1'b0;
           Tests:       T1 T4 T2 
91                          end else begin
92         1/1                dst_level_q <= dst_level;
           Tests:       T1 T4 T2 
93                          end
94                        end
95                      
96                        // edge detection
97         1/1            assign dst_pulse_o = dst_level_q ^ dst_level;
           Tests:       T3 T6 T23

Cond Coverage for Instance : tb.dut.u_reg.u_ulp_ac_debounce_ctl_cdc.u_src_to_dst_req

	Total	Covered	Percent
Conditions	8	8	100.00
Logical	8	8	100.00
Non-Logical	0	0
Event	0	0

 LINE       34
 EXPRESSION (src_level ^ src_pulse_i)
             ----1----   -----2-----

-1-	-2-	Status	Tests
0	0	Covered	T1,T4,T2
0	1	Covered	T3,T6,T23
1	0	Covered	T3,T6,T23
1	1	Covered	T3,T6,T23

 LINE       97
 EXPRESSION (dst_level_q ^ dst_level)
             -----1-----   ----2----

-1-	-2-	Status	Tests
0	0	Covered	T1,T4,T2
0	1	Covered	T3,T6,T23
1	0	Covered	T3,T6,T23
1	1	Covered	T3,T6,T23

Branch Coverage for Instance : tb.dut.u_reg.u_ulp_ac_debounce_ctl_cdc.u_src_to_dst_req

	Line No.	Total	Covered	Percent
Branches		4	4	100.00
IF	31	2	2	100.00
IF	89	2	2	100.00



31             if (!rst_src_ni) begin
               -1-  
32               src_level <= 1'b0;
                 ==>
33             end else begin
34               src_level <= src_level ^ src_pulse_i;
                 ==>

Branches:

-1-	Status	Tests
1	Covered	T1,T4,T2
0	Covered	T1,T4,T2



89             if (!rst_dst_ni) begin
               -1-  
90               dst_level_q <= 1'b0;
                 ==>
91             end else begin
92               dst_level_q <= dst_level;
                 ==>

Branches:

-1-	Status	Tests
1	Covered	T1,T4,T2
0	Covered	T1,T4,T2

Assert Coverage for Instance : tb.dut.u_reg.u_ulp_ac_debounce_ctl_cdc.u_src_to_dst_req

	Total	Attempted	Percent	Succeeded/Matched	Percent
Assertions	2	2	100.00	2	100.00
Cover properties	0	0		0
Cover sequences	0	0		0
Total	2	2	100.00	2	100.00

Assertion Details

Name	Attempts	Real Successes	Failures	Incomplete
DstPulseCheck_A	5045782	938	0	0
SrcPulseCheck_M	1237025007	1052	0	0

DstPulseCheck_A

Name	Attempts	Real Successes
Total	5045782	938
T3	1755	3
T5	519	0
T6	0	3
T7	1860	0
T8	518	0
T16	670	0
T17	408	0
T18	0	1
T23	0	3
T24	0	1
T25	3498	0
T26	522	0
T30	0	1
T58	0	1
T62	419	0
T63	422	0
T66	0	1
T67	0	2
T70	0	1

SrcPulseCheck_M

Name	Attempts	Real Successes
Total	1237025007	1052
T3	117509	3
T5	211269	0
T6	0	3
T7	120934	0
T8	23335	0
T16	160902	0
T17	32710	0
T18	0	1
T23	0	3
T24	0	1
T25	104974	0
T26	250798	0
T30	0	1
T58	0	1
T62	60938	0
T63	205116	0
T66	0	1
T67	0	2
T70	0	1

Line Coverage for Instance : tb.dut.u_reg.u_ulp_ac_debounce_ctl_cdc.u_arb.gen_passthru.u_dst_to_src_ack

	Line No.	Total	Covered	Percent
TOTAL		7	7	100.00
ALWAYS	31	3	3	100.00
CONT_ASSIGN	49	0	0
CONT_ASSIGN	52	0	0
ALWAYS	55	0	0
ALWAYS	89	3	3	100.00
CONT_ASSIGN	97	1	1	100.00



30                        always_ff @(posedge clk_src_i or negedge rst_src_ni) begin
31         1/1              if (!rst_src_ni) begin
           Tests:       T1 T4 T2 
32         1/1                src_level <= 1'b0;
           Tests:       T1 T4 T2 
33                          end else begin
34         1/1                src_level <= src_level ^ src_pulse_i;
           Tests:       T1 T4 T2 
35                          end
36                        end
37                      
38                      
39                        // source active must come far enough such that the destination domain has time
40                        // to create a valid pulse.
41                      `ifdef INC_ASSERT
42                        //VCS coverage off
43                        // pragma coverage off
44                      
45                        // source active flag tracks whether there is an ongoing "toggle" event.
46                        // Until this toggle event is accepted by the destination domain (negative edge of
47                        // of the pulse output), the source side cannot toggle again.
48                        logic effective_rst_n;
49         unreachable    assign effective_rst_n = rst_src_ni && dst_pulse_o;
50                      
51                        logic src_active_flag_d, src_active_flag_q;
52         unreachable    assign src_active_flag_d = src_pulse_i || src_active_flag_q;
53                      
54                        always_ff @(posedge clk_src_i or negedge effective_rst_n) begin
55         unreachable      if (!effective_rst_n) begin
56         unreachable        src_active_flag_q <= '0;
57                          end else begin
58         unreachable        src_active_flag_q <= src_active_flag_d;
59                          end
60                        end
61                      
62                        //VCS coverage on
63                        // pragma coverage on
64                      
65                        `ASSERT(SrcPulseCheck_M, src_pulse_i |-> !src_active_flag_q, clk_src_i, !rst_src_ni)
66                      `endif
67                      
68                        //////////////////////////////////////////////////////////
69                        // synchronize level signal to destination clock domain //
70                        //////////////////////////////////////////////////////////
71                        logic dst_level;
72                      
73                        prim_flop_2sync #(.Width(1)) prim_flop_2sync (
74                          // source clock domain
75                          .d_i    (src_level),
76                          // destination clock domain
77                          .clk_i  (clk_dst_i),
78                          .rst_ni (rst_dst_ni),
79                          .q_o    (dst_level)
80                        );
81                      
82                        ////////////////////////////////////////
83                        // convert level signal back to pulse //
84                        ////////////////////////////////////////
85                        logic dst_level_q;
86                      
87                        // delay dst_level by 1 cycle
88                        always_ff @(posedge clk_dst_i or negedge rst_dst_ni) begin
89         1/1              if (!rst_dst_ni) begin
           Tests:       T1 T4 T2 
90         1/1                dst_level_q <= 1'b0;
           Tests:       T1 T4 T2 
91                          end else begin
92         1/1                dst_level_q <= dst_level;
           Tests:       T1 T4 T2 
93                          end
94                        end
95                      
96                        // edge detection
97         1/1            assign dst_pulse_o = dst_level_q ^ dst_level;
           Tests:       T1 T4 T2

Cond Coverage for Instance : tb.dut.u_reg.u_ulp_ac_debounce_ctl_cdc.u_arb.gen_passthru.u_dst_to_src_ack

	Total	Covered	Percent
Conditions	8	8	100.00
Logical	8	8	100.00
Non-Logical	0	0
Event	0	0

 LINE       34
 EXPRESSION (src_level ^ src_pulse_i)
             ----1----   -----2-----

-1-	-2-	Status	Tests
0	0	Covered	T1,T4,T2
0	1	Covered	T3,T6,T23
1	0	Covered	T3,T6,T23
1	1	Covered	T3,T6,T23

 LINE       97
 EXPRESSION (dst_level_q ^ dst_level)
             -----1-----   ----2----

-1-	-2-	Status	Tests
0	0	Covered	T1,T4,T2
0	1	Covered	T3,T6,T23
1	0	Covered	T3,T6,T23
1	1	Covered	T3,T6,T23

Branch Coverage for Instance : tb.dut.u_reg.u_ulp_ac_debounce_ctl_cdc.u_arb.gen_passthru.u_dst_to_src_ack

	Line No.	Total	Covered	Percent
Branches		4	4	100.00
IF	31	2	2	100.00
IF	89	2	2	100.00



31             if (!rst_src_ni) begin
               -1-  
32               src_level <= 1'b0;
                 ==>
33             end else begin
34               src_level <= src_level ^ src_pulse_i;
                 ==>

Branches:

-1-	Status	Tests
1	Covered	T1,T4,T2
0	Covered	T1,T4,T2



89             if (!rst_dst_ni) begin
               -1-  
90               dst_level_q <= 1'b0;
                 ==>
91             end else begin
92               dst_level_q <= dst_level;
                 ==>

Branches:

-1-	Status	Tests
1	Covered	T1,T4,T2
0	Covered	T1,T4,T2

Assert Coverage for Instance : tb.dut.u_reg.u_ulp_ac_debounce_ctl_cdc.u_arb.gen_passthru.u_dst_to_src_ack

	Total	Attempted	Percent	Succeeded/Matched	Percent
Assertions	2	2	100.00	2	100.00
Cover properties	0	0		0
Cover sequences	0	0		0
Total	2	2	100.00	2	100.00

Assertion Details

Name	Attempts	Real Successes	Failures	Incomplete
DstPulseCheck_A	1237025007	1045	0	0
SrcPulseCheck_M	5045782	1045	0	0

DstPulseCheck_A

Name	Attempts	Real Successes
Total	1237025007	1045
T3	117509	3
T5	211269	0
T6	0	3
T7	120934	0
T8	23335	0
T16	160902	0
T17	32710	0
T18	0	1
T23	0	3
T24	0	1
T25	104974	0
T26	250798	0
T30	0	1
T58	0	1
T62	60938	0
T63	205116	0
T66	0	1
T67	0	2
T70	0	1

SrcPulseCheck_M

Name	Attempts	Real Successes
Total	5045782	1045
T3	1755	3
T5	519	0
T6	0	3
T7	1860	0
T8	518	0
T16	670	0
T17	408	0
T18	0	1
T23	0	3
T24	0	1
T25	3498	0
T26	522	0
T30	0	1
T58	0	1
T62	419	0
T63	422	0
T66	0	1
T67	0	2
T70	0	1

Line Coverage for Instance : tb.dut.u_reg.u_ulp_lid_debounce_ctl_cdc.u_src_to_dst_req

	Line No.	Total	Covered	Percent
TOTAL		7	7	100.00
ALWAYS	31	3	3	100.00
CONT_ASSIGN	49	0	0
CONT_ASSIGN	52	0	0
ALWAYS	55	0	0
ALWAYS	89	3	3	100.00
CONT_ASSIGN	97	1	1	100.00



30                        always_ff @(posedge clk_src_i or negedge rst_src_ni) begin
31         1/1              if (!rst_src_ni) begin
           Tests:       T1 T4 T2 
32         1/1                src_level <= 1'b0;
           Tests:       T1 T4 T2 
33                          end else begin
34         1/1                src_level <= src_level ^ src_pulse_i;
           Tests:       T1 T4 T2 
35                          end
36                        end
37                      
38                      
39                        // source active must come far enough such that the destination domain has time
40                        // to create a valid pulse.
41                      `ifdef INC_ASSERT
42                        //VCS coverage off
43                        // pragma coverage off
44                      
45                        // source active flag tracks whether there is an ongoing "toggle" event.
46                        // Until this toggle event is accepted by the destination domain (negative edge of
47                        // of the pulse output), the source side cannot toggle again.
48                        logic effective_rst_n;
49         unreachable    assign effective_rst_n = rst_src_ni && dst_pulse_o;
50                      
51                        logic src_active_flag_d, src_active_flag_q;
52         unreachable    assign src_active_flag_d = src_pulse_i || src_active_flag_q;
53                      
54                        always_ff @(posedge clk_src_i or negedge effective_rst_n) begin
55         unreachable      if (!effective_rst_n) begin
56         unreachable        src_active_flag_q <= '0;
57                          end else begin
58         unreachable        src_active_flag_q <= src_active_flag_d;
59                          end
60                        end
61                      
62                        //VCS coverage on
63                        // pragma coverage on
64                      
65                        `ASSERT(SrcPulseCheck_M, src_pulse_i |-> !src_active_flag_q, clk_src_i, !rst_src_ni)
66                      `endif
67                      
68                        //////////////////////////////////////////////////////////
69                        // synchronize level signal to destination clock domain //
70                        //////////////////////////////////////////////////////////
71                        logic dst_level;
72                      
73                        prim_flop_2sync #(.Width(1)) prim_flop_2sync (
74                          // source clock domain
75                          .d_i    (src_level),
76                          // destination clock domain
77                          .clk_i  (clk_dst_i),
78                          .rst_ni (rst_dst_ni),
79                          .q_o    (dst_level)
80                        );
81                      
82                        ////////////////////////////////////////
83                        // convert level signal back to pulse //
84                        ////////////////////////////////////////
85                        logic dst_level_q;
86                      
87                        // delay dst_level by 1 cycle
88                        always_ff @(posedge clk_dst_i or negedge rst_dst_ni) begin
89         1/1              if (!rst_dst_ni) begin
           Tests:       T1 T4 T2 
90         1/1                dst_level_q <= 1'b0;
           Tests:       T1 T4 T2 
91                          end else begin
92         1/1                dst_level_q <= dst_level;
           Tests:       T1 T4 T2 
93                          end
94                        end
95                      
96                        // edge detection
97         1/1            assign dst_pulse_o = dst_level_q ^ dst_level;
           Tests:       T3 T6 T23

Cond Coverage for Instance : tb.dut.u_reg.u_ulp_lid_debounce_ctl_cdc.u_src_to_dst_req

	Total	Covered	Percent
Conditions	8	8	100.00
Logical	8	8	100.00
Non-Logical	0	0
Event	0	0

 LINE       34
 EXPRESSION (src_level ^ src_pulse_i)
             ----1----   -----2-----

-1-	-2-	Status	Tests
0	0	Covered	T1,T4,T2
0	1	Covered	T3,T6,T23
1	0	Covered	T3,T6,T23
1	1	Covered	T3,T6,T23

 LINE       97
 EXPRESSION (dst_level_q ^ dst_level)
             -----1-----   ----2----

-1-	-2-	Status	Tests
0	0	Covered	T1,T4,T2
0	1	Covered	T3,T6,T23
1	0	Covered	T3,T6,T23
1	1	Covered	T3,T6,T23

Branch Coverage for Instance : tb.dut.u_reg.u_ulp_lid_debounce_ctl_cdc.u_src_to_dst_req

	Line No.	Total	Covered	Percent
Branches		4	4	100.00
IF	31	2	2	100.00
IF	89	2	2	100.00



31             if (!rst_src_ni) begin
               -1-  
32               src_level <= 1'b0;
                 ==>
33             end else begin
34               src_level <= src_level ^ src_pulse_i;
                 ==>

Branches:

-1-	Status	Tests
1	Covered	T1,T4,T2
0	Covered	T1,T4,T2



89             if (!rst_dst_ni) begin
               -1-  
90               dst_level_q <= 1'b0;
                 ==>
91             end else begin
92               dst_level_q <= dst_level;
                 ==>

Branches:

-1-	Status	Tests
1	Covered	T1,T4,T2
0	Covered	T1,T4,T2

Assert Coverage for Instance : tb.dut.u_reg.u_ulp_lid_debounce_ctl_cdc.u_src_to_dst_req

	Total	Attempted	Percent	Succeeded/Matched	Percent
Assertions	2	2	100.00	2	100.00
Cover properties	0	0		0
Cover sequences	0	0		0
Total	2	2	100.00	2	100.00

Assertion Details

Name	Attempts	Real Successes	Failures	Incomplete
DstPulseCheck_A	5045782	949	0	0
SrcPulseCheck_M	1237025007	1058	0	0

DstPulseCheck_A

Name	Attempts	Real Successes
Total	5045782	949
T3	1755	3
T5	519	0
T6	0	3
T7	1860	0
T8	518	0
T16	670	0
T17	408	0
T18	0	1
T23	0	3
T24	0	1
T25	3498	0
T26	522	0
T30	0	1
T58	0	1
T62	419	0
T63	422	0
T66	0	1
T67	0	2
T70	0	1

SrcPulseCheck_M

Name	Attempts	Real Successes
Total	1237025007	1058
T3	117509	3
T5	211269	0
T6	0	3
T7	120934	0
T8	23335	0
T16	160902	0
T17	32710	0
T18	0	1
T23	0	3
T24	0	1
T25	104974	0
T26	250798	0
T30	0	1
T58	0	1
T62	60938	0
T63	205116	0
T66	0	1
T67	0	2
T70	0	1

Line Coverage for Instance : tb.dut.u_reg.u_ulp_lid_debounce_ctl_cdc.u_arb.gen_passthru.u_dst_to_src_ack

	Line No.	Total	Covered	Percent
TOTAL		7	7	100.00
ALWAYS	31	3	3	100.00
CONT_ASSIGN	49	0	0
CONT_ASSIGN	52	0	0
ALWAYS	55	0	0
ALWAYS	89	3	3	100.00
CONT_ASSIGN	97	1	1	100.00



30                        always_ff @(posedge clk_src_i or negedge rst_src_ni) begin
31         1/1              if (!rst_src_ni) begin
           Tests:       T1 T4 T2 
32         1/1                src_level <= 1'b0;
           Tests:       T1 T4 T2 
33                          end else begin
34         1/1                src_level <= src_level ^ src_pulse_i;
           Tests:       T1 T4 T2 
35                          end
36                        end
37                      
38                      
39                        // source active must come far enough such that the destination domain has time
40                        // to create a valid pulse.
41                      `ifdef INC_ASSERT
42                        //VCS coverage off
43                        // pragma coverage off
44                      
45                        // source active flag tracks whether there is an ongoing "toggle" event.
46                        // Until this toggle event is accepted by the destination domain (negative edge of
47                        // of the pulse output), the source side cannot toggle again.
48                        logic effective_rst_n;
49         unreachable    assign effective_rst_n = rst_src_ni && dst_pulse_o;
50                      
51                        logic src_active_flag_d, src_active_flag_q;
52         unreachable    assign src_active_flag_d = src_pulse_i || src_active_flag_q;
53                      
54                        always_ff @(posedge clk_src_i or negedge effective_rst_n) begin
55         unreachable      if (!effective_rst_n) begin
56         unreachable        src_active_flag_q <= '0;
57                          end else begin
58         unreachable        src_active_flag_q <= src_active_flag_d;
59                          end
60                        end
61                      
62                        //VCS coverage on
63                        // pragma coverage on
64                      
65                        `ASSERT(SrcPulseCheck_M, src_pulse_i |-> !src_active_flag_q, clk_src_i, !rst_src_ni)
66                      `endif
67                      
68                        //////////////////////////////////////////////////////////
69                        // synchronize level signal to destination clock domain //
70                        //////////////////////////////////////////////////////////
71                        logic dst_level;
72                      
73                        prim_flop_2sync #(.Width(1)) prim_flop_2sync (
74                          // source clock domain
75                          .d_i    (src_level),
76                          // destination clock domain
77                          .clk_i  (clk_dst_i),
78                          .rst_ni (rst_dst_ni),
79                          .q_o    (dst_level)
80                        );
81                      
82                        ////////////////////////////////////////
83                        // convert level signal back to pulse //
84                        ////////////////////////////////////////
85                        logic dst_level_q;
86                      
87                        // delay dst_level by 1 cycle
88                        always_ff @(posedge clk_dst_i or negedge rst_dst_ni) begin
89         1/1              if (!rst_dst_ni) begin
           Tests:       T1 T4 T2 
90         1/1                dst_level_q <= 1'b0;
           Tests:       T1 T4 T2 
91                          end else begin
92         1/1                dst_level_q <= dst_level;
           Tests:       T1 T4 T2 
93                          end
94                        end
95                      
96                        // edge detection
97         1/1            assign dst_pulse_o = dst_level_q ^ dst_level;
           Tests:       T1 T4 T2

Cond Coverage for Instance : tb.dut.u_reg.u_ulp_lid_debounce_ctl_cdc.u_arb.gen_passthru.u_dst_to_src_ack

	Total	Covered	Percent
Conditions	8	8	100.00
Logical	8	8	100.00
Non-Logical	0	0
Event	0	0

 LINE       34
 EXPRESSION (src_level ^ src_pulse_i)
             ----1----   -----2-----

-1-	-2-	Status	Tests
0	0	Covered	T1,T4,T2
0	1	Covered	T3,T6,T23
1	0	Covered	T3,T6,T23
1	1	Covered	T3,T6,T23

 LINE       97
 EXPRESSION (dst_level_q ^ dst_level)
             -----1-----   ----2----

-1-	-2-	Status	Tests
0	0	Covered	T1,T4,T2
0	1	Covered	T3,T6,T23
1	0	Covered	T3,T6,T23
1	1	Covered	T3,T6,T23

Branch Coverage for Instance : tb.dut.u_reg.u_ulp_lid_debounce_ctl_cdc.u_arb.gen_passthru.u_dst_to_src_ack

	Line No.	Total	Covered	Percent
Branches		4	4	100.00
IF	31	2	2	100.00
IF	89	2	2	100.00



31             if (!rst_src_ni) begin
               -1-  
32               src_level <= 1'b0;
                 ==>
33             end else begin
34               src_level <= src_level ^ src_pulse_i;
                 ==>

Branches:

-1-	Status	Tests
1	Covered	T1,T4,T2
0	Covered	T1,T4,T2



89             if (!rst_dst_ni) begin
               -1-  
90               dst_level_q <= 1'b0;
                 ==>
91             end else begin
92               dst_level_q <= dst_level;
                 ==>

Branches:

-1-	Status	Tests
1	Covered	T1,T4,T2
0	Covered	T1,T4,T2

Assert Coverage for Instance : tb.dut.u_reg.u_ulp_lid_debounce_ctl_cdc.u_arb.gen_passthru.u_dst_to_src_ack

	Total	Attempted	Percent	Succeeded/Matched	Percent
Assertions	2	2	100.00	2	100.00
Cover properties	0	0		0
Cover sequences	0	0		0
Total	2	2	100.00	2	100.00

Assertion Details

Name	Attempts	Real Successes	Failures	Incomplete
DstPulseCheck_A	1237025007	1051	0	0
SrcPulseCheck_M	5045782	1051	0	0

DstPulseCheck_A

Name	Attempts	Real Successes
Total	1237025007	1051
T3	117509	3
T5	211269	0
T6	0	3
T7	120934	0
T8	23335	0
T16	160902	0
T17	32710	0
T18	0	1
T23	0	3
T24	0	1
T25	104974	0
T26	250798	0
T30	0	1
T58	0	1
T62	60938	0
T63	205116	0
T66	0	1
T67	0	2
T70	0	1

SrcPulseCheck_M

Name	Attempts	Real Successes
Total	5045782	1051
T3	1755	3
T5	519	0
T6	0	3
T7	1860	0
T8	518	0
T16	670	0
T17	408	0
T18	0	1
T23	0	3
T24	0	1
T25	3498	0
T26	522	0
T30	0	1
T58	0	1
T62	419	0
T63	422	0
T66	0	1
T67	0	2
T70	0	1

Line Coverage for Instance : tb.dut.u_reg.u_ulp_pwrb_debounce_ctl_cdc.u_src_to_dst_req

	Line No.	Total	Covered	Percent
TOTAL		7	7	100.00
ALWAYS	31	3	3	100.00
CONT_ASSIGN	49	0	0
CONT_ASSIGN	52	0	0
ALWAYS	55	0	0
ALWAYS	89	3	3	100.00
CONT_ASSIGN	97	1	1	100.00



30                        always_ff @(posedge clk_src_i or negedge rst_src_ni) begin
31         1/1              if (!rst_src_ni) begin
           Tests:       T1 T4 T2 
32         1/1                src_level <= 1'b0;
           Tests:       T1 T4 T2 
33                          end else begin
34         1/1                src_level <= src_level ^ src_pulse_i;
           Tests:       T1 T4 T2 
35                          end
36                        end
37                      
38                      
39                        // source active must come far enough such that the destination domain has time
40                        // to create a valid pulse.
41                      `ifdef INC_ASSERT
42                        //VCS coverage off
43                        // pragma coverage off
44                      
45                        // source active flag tracks whether there is an ongoing "toggle" event.
46                        // Until this toggle event is accepted by the destination domain (negative edge of
47                        // of the pulse output), the source side cannot toggle again.
48                        logic effective_rst_n;
49         unreachable    assign effective_rst_n = rst_src_ni && dst_pulse_o;
50                      
51                        logic src_active_flag_d, src_active_flag_q;
52         unreachable    assign src_active_flag_d = src_pulse_i || src_active_flag_q;
53                      
54                        always_ff @(posedge clk_src_i or negedge effective_rst_n) begin
55         unreachable      if (!effective_rst_n) begin
56         unreachable        src_active_flag_q <= '0;
57                          end else begin
58         unreachable        src_active_flag_q <= src_active_flag_d;
59                          end
60                        end
61                      
62                        //VCS coverage on
63                        // pragma coverage on
64                      
65                        `ASSERT(SrcPulseCheck_M, src_pulse_i |-> !src_active_flag_q, clk_src_i, !rst_src_ni)
66                      `endif
67                      
68                        //////////////////////////////////////////////////////////
69                        // synchronize level signal to destination clock domain //
70                        //////////////////////////////////////////////////////////
71                        logic dst_level;
72                      
73                        prim_flop_2sync #(.Width(1)) prim_flop_2sync (
74                          // source clock domain
75                          .d_i    (src_level),
76                          // destination clock domain
77                          .clk_i  (clk_dst_i),
78                          .rst_ni (rst_dst_ni),
79                          .q_o    (dst_level)
80                        );
81                      
82                        ////////////////////////////////////////
83                        // convert level signal back to pulse //
84                        ////////////////////////////////////////
85                        logic dst_level_q;
86                      
87                        // delay dst_level by 1 cycle
88                        always_ff @(posedge clk_dst_i or negedge rst_dst_ni) begin
89         1/1              if (!rst_dst_ni) begin
           Tests:       T1 T4 T2 
90         1/1                dst_level_q <= 1'b0;
           Tests:       T1 T4 T2 
91                          end else begin
92         1/1                dst_level_q <= dst_level;
           Tests:       T1 T4 T2 
93                          end
94                        end
95                      
96                        // edge detection
97         1/1            assign dst_pulse_o = dst_level_q ^ dst_level;
           Tests:       T3 T6 T23

Cond Coverage for Instance : tb.dut.u_reg.u_ulp_pwrb_debounce_ctl_cdc.u_src_to_dst_req

	Total	Covered	Percent
Conditions	8	8	100.00
Logical	8	8	100.00
Non-Logical	0	0
Event	0	0

 LINE       34
 EXPRESSION (src_level ^ src_pulse_i)
             ----1----   -----2-----

-1-	-2-	Status	Tests
0	0	Covered	T1,T4,T2
0	1	Covered	T3,T6,T23
1	0	Covered	T3,T6,T23
1	1	Covered	T3,T6,T23

 LINE       97
 EXPRESSION (dst_level_q ^ dst_level)
             -----1-----   ----2----

-1-	-2-	Status	Tests
0	0	Covered	T1,T4,T2
0	1	Covered	T3,T6,T23
1	0	Covered	T3,T6,T23
1	1	Covered	T3,T6,T23

Branch Coverage for Instance : tb.dut.u_reg.u_ulp_pwrb_debounce_ctl_cdc.u_src_to_dst_req

	Line No.	Total	Covered	Percent
Branches		4	4	100.00
IF	31	2	2	100.00
IF	89	2	2	100.00



31             if (!rst_src_ni) begin
               -1-  
32               src_level <= 1'b0;
                 ==>
33             end else begin
34               src_level <= src_level ^ src_pulse_i;
                 ==>

Branches:

-1-	Status	Tests
1	Covered	T1,T4,T2
0	Covered	T1,T4,T2



89             if (!rst_dst_ni) begin
               -1-  
90               dst_level_q <= 1'b0;
                 ==>
91             end else begin
92               dst_level_q <= dst_level;
                 ==>

Branches:

-1-	Status	Tests
1	Covered	T1,T4,T2
0	Covered	T1,T4,T2

Assert Coverage for Instance : tb.dut.u_reg.u_ulp_pwrb_debounce_ctl_cdc.u_src_to_dst_req

	Total	Attempted	Percent	Succeeded/Matched	Percent
Assertions	2	2	100.00	2	100.00
Cover properties	0	0		0
Cover sequences	0	0		0
Total	2	2	100.00	2	100.00

Assertion Details

Name	Attempts	Real Successes	Failures	Incomplete
DstPulseCheck_A	5045782	954	0	0
SrcPulseCheck_M	1237025007	1064	0	0

DstPulseCheck_A

Name	Attempts	Real Successes
Total	5045782	954
T3	1755	3
T5	519	0
T6	0	3
T7	1860	0
T8	518	0
T16	670	0
T17	408	0
T18	0	1
T23	0	3
T24	0	1
T25	3498	0
T26	522	0
T30	0	1
T58	0	1
T62	419	0
T63	422	0
T66	0	1
T67	0	2
T70	0	1

SrcPulseCheck_M

Name	Attempts	Real Successes
Total	1237025007	1064
T3	117509	3
T5	211269	0
T6	0	3
T7	120934	0
T8	23335	0
T16	160902	0
T17	32710	0
T18	0	1
T23	0	3
T24	0	1
T25	104974	0
T26	250798	0
T30	0	1
T58	0	1
T62	60938	0
T63	205116	0
T66	0	1
T67	0	2
T70	0	1

Line Coverage for Instance : tb.dut.u_reg.u_ulp_pwrb_debounce_ctl_cdc.u_arb.gen_passthru.u_dst_to_src_ack

	Line No.	Total	Covered	Percent
TOTAL		7	7	100.00
ALWAYS	31	3	3	100.00
CONT_ASSIGN	49	0	0
CONT_ASSIGN	52	0	0
ALWAYS	55	0	0
ALWAYS	89	3	3	100.00
CONT_ASSIGN	97	1	1	100.00



30                        always_ff @(posedge clk_src_i or negedge rst_src_ni) begin
31         1/1              if (!rst_src_ni) begin
           Tests:       T1 T4 T2 
32         1/1                src_level <= 1'b0;
           Tests:       T1 T4 T2 
33                          end else begin
34         1/1                src_level <= src_level ^ src_pulse_i;
           Tests:       T1 T4 T2 
35                          end
36                        end
37                      
38                      
39                        // source active must come far enough such that the destination domain has time
40                        // to create a valid pulse.
41                      `ifdef INC_ASSERT
42                        //VCS coverage off
43                        // pragma coverage off
44                      
45                        // source active flag tracks whether there is an ongoing "toggle" event.
46                        // Until this toggle event is accepted by the destination domain (negative edge of
47                        // of the pulse output), the source side cannot toggle again.
48                        logic effective_rst_n;
49         unreachable    assign effective_rst_n = rst_src_ni && dst_pulse_o;
50                      
51                        logic src_active_flag_d, src_active_flag_q;
52         unreachable    assign src_active_flag_d = src_pulse_i || src_active_flag_q;
53                      
54                        always_ff @(posedge clk_src_i or negedge effective_rst_n) begin
55         unreachable      if (!effective_rst_n) begin
56         unreachable        src_active_flag_q <= '0;
57                          end else begin
58         unreachable        src_active_flag_q <= src_active_flag_d;
59                          end
60                        end
61                      
62                        //VCS coverage on
63                        // pragma coverage on
64                      
65                        `ASSERT(SrcPulseCheck_M, src_pulse_i |-> !src_active_flag_q, clk_src_i, !rst_src_ni)
66                      `endif
67                      
68                        //////////////////////////////////////////////////////////
69                        // synchronize level signal to destination clock domain //
70                        //////////////////////////////////////////////////////////
71                        logic dst_level;
72                      
73                        prim_flop_2sync #(.Width(1)) prim_flop_2sync (
74                          // source clock domain
75                          .d_i    (src_level),
76                          // destination clock domain
77                          .clk_i  (clk_dst_i),
78                          .rst_ni (rst_dst_ni),
79                          .q_o    (dst_level)
80                        );
81                      
82                        ////////////////////////////////////////
83                        // convert level signal back to pulse //
84                        ////////////////////////////////////////
85                        logic dst_level_q;
86                      
87                        // delay dst_level by 1 cycle
88                        always_ff @(posedge clk_dst_i or negedge rst_dst_ni) begin
89         1/1              if (!rst_dst_ni) begin
           Tests:       T1 T4 T2 
90         1/1                dst_level_q <= 1'b0;
           Tests:       T1 T4 T2 
91                          end else begin
92         1/1                dst_level_q <= dst_level;
           Tests:       T1 T4 T2 
93                          end
94                        end
95                      
96                        // edge detection
97         1/1            assign dst_pulse_o = dst_level_q ^ dst_level;
           Tests:       T1 T4 T2

Cond Coverage for Instance : tb.dut.u_reg.u_ulp_pwrb_debounce_ctl_cdc.u_arb.gen_passthru.u_dst_to_src_ack

	Total	Covered	Percent
Conditions	8	8	100.00
Logical	8	8	100.00
Non-Logical	0	0
Event	0	0

 LINE       34
 EXPRESSION (src_level ^ src_pulse_i)
             ----1----   -----2-----

-1-	-2-	Status	Tests
0	0	Covered	T1,T4,T2
0	1	Covered	T3,T6,T23
1	0	Covered	T3,T6,T23
1	1	Covered	T3,T6,T23

 LINE       97
 EXPRESSION (dst_level_q ^ dst_level)
             -----1-----   ----2----

-1-	-2-	Status	Tests
0	0	Covered	T1,T4,T2
0	1	Covered	T3,T6,T23
1	0	Covered	T3,T6,T23
1	1	Covered	T3,T6,T23

Branch Coverage for Instance : tb.dut.u_reg.u_ulp_pwrb_debounce_ctl_cdc.u_arb.gen_passthru.u_dst_to_src_ack

	Line No.	Total	Covered	Percent
Branches		4	4	100.00
IF	31	2	2	100.00
IF	89	2	2	100.00



31             if (!rst_src_ni) begin
               -1-  
32               src_level <= 1'b0;
                 ==>
33             end else begin
34               src_level <= src_level ^ src_pulse_i;
                 ==>

Branches:

-1-	Status	Tests
1	Covered	T1,T4,T2
0	Covered	T1,T4,T2



89             if (!rst_dst_ni) begin
               -1-  
90               dst_level_q <= 1'b0;
                 ==>
91             end else begin
92               dst_level_q <= dst_level;
                 ==>

Branches:

-1-	Status	Tests
1	Covered	T1,T4,T2
0	Covered	T1,T4,T2

Assert Coverage for Instance : tb.dut.u_reg.u_ulp_pwrb_debounce_ctl_cdc.u_arb.gen_passthru.u_dst_to_src_ack

	Total	Attempted	Percent	Succeeded/Matched	Percent
Assertions	2	2	100.00	2	100.00
Cover properties	0	0		0
Cover sequences	0	0		0
Total	2	2	100.00	2	100.00

Assertion Details

Name	Attempts	Real Successes	Failures	Incomplete
DstPulseCheck_A	1237025007	1057	0	0
SrcPulseCheck_M	5045782	1057	0	0

DstPulseCheck_A

Name	Attempts	Real Successes
Total	1237025007	1057
T3	117509	3
T5	211269	0
T6	0	3
T7	120934	0
T8	23335	0
T16	160902	0
T17	32710	0
T18	0	1
T23	0	3
T24	0	1
T25	104974	0
T26	250798	0
T30	0	1
T58	0	1
T62	60938	0
T63	205116	0
T66	0	1
T67	0	2
T70	0	1

SrcPulseCheck_M

Name	Attempts	Real Successes
Total	5045782	1057
T3	1755	3
T5	519	0
T6	0	3
T7	1860	0
T8	518	0
T16	670	0
T17	408	0
T18	0	1
T23	0	3
T24	0	1
T25	3498	0
T26	522	0
T30	0	1
T58	0	1
T62	419	0
T63	422	0
T66	0	1
T67	0	2
T70	0	1

Line Coverage for Instance : tb.dut.u_reg.u_ulp_ctl_cdc.u_src_to_dst_req

	Line No.	Total	Covered	Percent
TOTAL		7	7	100.00
ALWAYS	31	3	3	100.00
CONT_ASSIGN	49	0	0
CONT_ASSIGN	52	0	0
ALWAYS	55	0	0
ALWAYS	89	3	3	100.00
CONT_ASSIGN	97	1	1	100.00



30                        always_ff @(posedge clk_src_i or negedge rst_src_ni) begin
31         1/1              if (!rst_src_ni) begin
           Tests:       T1 T4 T2 
32         1/1                src_level <= 1'b0;
           Tests:       T1 T4 T2 
33                          end else begin
34         1/1                src_level <= src_level ^ src_pulse_i;
           Tests:       T1 T4 T2 
35                          end
36                        end
37                      
38                      
39                        // source active must come far enough such that the destination domain has time
40                        // to create a valid pulse.
41                      `ifdef INC_ASSERT
42                        //VCS coverage off
43                        // pragma coverage off
44                      
45                        // source active flag tracks whether there is an ongoing "toggle" event.
46                        // Until this toggle event is accepted by the destination domain (negative edge of
47                        // of the pulse output), the source side cannot toggle again.
48                        logic effective_rst_n;
49         unreachable    assign effective_rst_n = rst_src_ni && dst_pulse_o;
50                      
51                        logic src_active_flag_d, src_active_flag_q;
52         unreachable    assign src_active_flag_d = src_pulse_i || src_active_flag_q;
53                      
54                        always_ff @(posedge clk_src_i or negedge effective_rst_n) begin
55         unreachable      if (!effective_rst_n) begin
56         unreachable        src_active_flag_q <= '0;
57                          end else begin
58         unreachable        src_active_flag_q <= src_active_flag_d;
59                          end
60                        end
61                      
62                        //VCS coverage on
63                        // pragma coverage on
64                      
65                        `ASSERT(SrcPulseCheck_M, src_pulse_i |-> !src_active_flag_q, clk_src_i, !rst_src_ni)
66                      `endif
67                      
68                        //////////////////////////////////////////////////////////
69                        // synchronize level signal to destination clock domain //
70                        //////////////////////////////////////////////////////////
71                        logic dst_level;
72                      
73                        prim_flop_2sync #(.Width(1)) prim_flop_2sync (
74                          // source clock domain
75                          .d_i    (src_level),
76                          // destination clock domain
77                          .clk_i  (clk_dst_i),
78                          .rst_ni (rst_dst_ni),
79                          .q_o    (dst_level)
80                        );
81                      
82                        ////////////////////////////////////////
83                        // convert level signal back to pulse //
84                        ////////////////////////////////////////
85                        logic dst_level_q;
86                      
87                        // delay dst_level by 1 cycle
88                        always_ff @(posedge clk_dst_i or negedge rst_dst_ni) begin
89         1/1              if (!rst_dst_ni) begin
           Tests:       T1 T4 T2 
90         1/1                dst_level_q <= 1'b0;
           Tests:       T1 T4 T2 
91                          end else begin
92         1/1                dst_level_q <= dst_level;
           Tests:       T1 T4 T2 
93                          end
94                        end
95                      
96                        // edge detection
97         1/1            assign dst_pulse_o = dst_level_q ^ dst_level;
           Tests:       T3 T6 T24

Cond Coverage for Instance : tb.dut.u_reg.u_ulp_ctl_cdc.u_src_to_dst_req

	Total	Covered	Percent
Conditions	8	8	100.00
Logical	8	8	100.00
Non-Logical	0	0
Event	0	0

 LINE       34
 EXPRESSION (src_level ^ src_pulse_i)
             ----1----   -----2-----

-1-	-2-	Status	Tests
0	0	Covered	T1,T4,T2
0	1	Covered	T3,T6,T24
1	0	Covered	T3,T6,T24
1	1	Covered	T3,T6,T24

 LINE       97
 EXPRESSION (dst_level_q ^ dst_level)
             -----1-----   ----2----

-1-	-2-	Status	Tests
0	0	Covered	T1,T4,T2
0	1	Covered	T3,T6,T24
1	0	Covered	T3,T6,T24
1	1	Covered	T3,T6,T24

Branch Coverage for Instance : tb.dut.u_reg.u_ulp_ctl_cdc.u_src_to_dst_req

	Line No.	Total	Covered	Percent
Branches		4	4	100.00
IF	31	2	2	100.00
IF	89	2	2	100.00



31             if (!rst_src_ni) begin
               -1-  
32               src_level <= 1'b0;
                 ==>
33             end else begin
34               src_level <= src_level ^ src_pulse_i;
                 ==>

Branches:

-1-	Status	Tests
1	Covered	T1,T4,T2
0	Covered	T1,T4,T2



89             if (!rst_dst_ni) begin
               -1-  
90               dst_level_q <= 1'b0;
                 ==>
91             end else begin
92               dst_level_q <= dst_level;
                 ==>

Branches:

-1-	Status	Tests
1	Covered	T1,T4,T2
0	Covered	T1,T4,T2

Assert Coverage for Instance : tb.dut.u_reg.u_ulp_ctl_cdc.u_src_to_dst_req

	Total	Attempted	Percent	Succeeded/Matched	Percent
Assertions	2	2	100.00	2	100.00
Cover properties	0	0		0
Cover sequences	0	0		0
Total	2	2	100.00	2	100.00

Assertion Details

Name	Attempts	Real Successes	Failures	Incomplete
DstPulseCheck_A	5045782	977	0	0
SrcPulseCheck_M	1237025007	1082	0	0

DstPulseCheck_A

Name	Attempts	Real Successes
Total	5045782	977
T3	1755	2
T5	519	0
T6	0	6
T7	1860	0
T8	518	0
T16	670	0
T17	408	0
T18	0	2
T24	0	4
T25	3498	0
T26	522	0
T30	0	4
T58	0	2
T62	419	0
T63	422	0
T66	0	2
T67	0	2
T68	0	6
T92	0	4

SrcPulseCheck_M

Name	Attempts	Real Successes
Total	1237025007	1082
T3	117509	2
T5	211269	0
T6	0	6
T7	120934	0
T8	23335	0
T16	160902	0
T17	32710	0
T18	0	2
T24	0	4
T25	104974	0
T26	250798	0
T30	0	4
T58	0	2
T62	60938	0
T63	205116	0
T66	0	2
T67	0	2
T68	0	6
T92	0	4

Line Coverage for Instance : tb.dut.u_reg.u_ulp_ctl_cdc.u_arb.gen_passthru.u_dst_to_src_ack

	Line No.	Total	Covered	Percent
TOTAL		7	7	100.00
ALWAYS	31	3	3	100.00
CONT_ASSIGN	49	0	0
CONT_ASSIGN	52	0	0
ALWAYS	55	0	0
ALWAYS	89	3	3	100.00
CONT_ASSIGN	97	1	1	100.00



30                        always_ff @(posedge clk_src_i or negedge rst_src_ni) begin
31         1/1              if (!rst_src_ni) begin
           Tests:       T1 T4 T2 
32         1/1                src_level <= 1'b0;
           Tests:       T1 T4 T2 
33                          end else begin
34         1/1                src_level <= src_level ^ src_pulse_i;
           Tests:       T1 T4 T2 
35                          end
36                        end
37                      
38                      
39                        // source active must come far enough such that the destination domain has time
40                        // to create a valid pulse.
41                      `ifdef INC_ASSERT
42                        //VCS coverage off
43                        // pragma coverage off
44                      
45                        // source active flag tracks whether there is an ongoing "toggle" event.
46                        // Until this toggle event is accepted by the destination domain (negative edge of
47                        // of the pulse output), the source side cannot toggle again.
48                        logic effective_rst_n;
49         unreachable    assign effective_rst_n = rst_src_ni && dst_pulse_o;
50                      
51                        logic src_active_flag_d, src_active_flag_q;
52         unreachable    assign src_active_flag_d = src_pulse_i || src_active_flag_q;
53                      
54                        always_ff @(posedge clk_src_i or negedge effective_rst_n) begin
55         unreachable      if (!effective_rst_n) begin
56         unreachable        src_active_flag_q <= '0;
57                          end else begin
58         unreachable        src_active_flag_q <= src_active_flag_d;
59                          end
60                        end
61                      
62                        //VCS coverage on
63                        // pragma coverage on
64                      
65                        `ASSERT(SrcPulseCheck_M, src_pulse_i |-> !src_active_flag_q, clk_src_i, !rst_src_ni)
66                      `endif
67                      
68                        //////////////////////////////////////////////////////////
69                        // synchronize level signal to destination clock domain //
70                        //////////////////////////////////////////////////////////
71                        logic dst_level;
72                      
73                        prim_flop_2sync #(.Width(1)) prim_flop_2sync (
74                          // source clock domain
75                          .d_i    (src_level),
76                          // destination clock domain
77                          .clk_i  (clk_dst_i),
78                          .rst_ni (rst_dst_ni),
79                          .q_o    (dst_level)
80                        );
81                      
82                        ////////////////////////////////////////
83                        // convert level signal back to pulse //
84                        ////////////////////////////////////////
85                        logic dst_level_q;
86                      
87                        // delay dst_level by 1 cycle
88                        always_ff @(posedge clk_dst_i or negedge rst_dst_ni) begin
89         1/1              if (!rst_dst_ni) begin
           Tests:       T1 T4 T2 
90         1/1                dst_level_q <= 1'b0;
           Tests:       T1 T4 T2 
91                          end else begin
92         1/1                dst_level_q <= dst_level;
           Tests:       T1 T4 T2 
93                          end
94                        end
95                      
96                        // edge detection
97         1/1            assign dst_pulse_o = dst_level_q ^ dst_level;
           Tests:       T1 T4 T2

Cond Coverage for Instance : tb.dut.u_reg.u_ulp_ctl_cdc.u_arb.gen_passthru.u_dst_to_src_ack

	Total	Covered	Percent
Conditions	8	8	100.00
Logical	8	8	100.00
Non-Logical	0	0
Event	0	0

 LINE       34
 EXPRESSION (src_level ^ src_pulse_i)
             ----1----   -----2-----

-1-	-2-	Status	Tests
0	0	Covered	T1,T4,T2
0	1	Covered	T3,T6,T24
1	0	Covered	T3,T6,T24
1	1	Covered	T3,T6,T24

 LINE       97
 EXPRESSION (dst_level_q ^ dst_level)
             -----1-----   ----2----

-1-	-2-	Status	Tests
0	0	Covered	T1,T4,T2
0	1	Covered	T3,T6,T24
1	0	Covered	T3,T6,T24
1	1	Covered	T3,T6,T24

Branch Coverage for Instance : tb.dut.u_reg.u_ulp_ctl_cdc.u_arb.gen_passthru.u_dst_to_src_ack

	Line No.	Total	Covered	Percent
Branches		4	4	100.00
IF	31	2	2	100.00
IF	89	2	2	100.00



31             if (!rst_src_ni) begin
               -1-  
32               src_level <= 1'b0;
                 ==>
33             end else begin
34               src_level <= src_level ^ src_pulse_i;
                 ==>

Branches:

-1-	Status	Tests
1	Covered	T1,T4,T2
0	Covered	T1,T4,T2



89             if (!rst_dst_ni) begin
               -1-  
90               dst_level_q <= 1'b0;
                 ==>
91             end else begin
92               dst_level_q <= dst_level;
                 ==>

Branches:

-1-	Status	Tests
1	Covered	T1,T4,T2
0	Covered	T1,T4,T2

Assert Coverage for Instance : tb.dut.u_reg.u_ulp_ctl_cdc.u_arb.gen_passthru.u_dst_to_src_ack

	Total	Attempted	Percent	Succeeded/Matched	Percent
Assertions	2	2	100.00	2	100.00
Cover properties	0	0		0
Cover sequences	0	0		0
Total	2	2	100.00	2	100.00

Assertion Details

Name	Attempts	Real Successes	Failures	Incomplete
DstPulseCheck_A	1237025007	1077	0	0
SrcPulseCheck_M	5045782	1077	0	0

DstPulseCheck_A

Name	Attempts	Real Successes
Total	1237025007	1077
T3	117509	2
T5	211269	0
T6	0	6
T7	120934	0
T8	23335	0
T16	160902	0
T17	32710	0
T18	0	2
T24	0	4
T25	104974	0
T26	250798	0
T30	0	4
T58	0	2
T62	60938	0
T63	205116	0
T66	0	2
T67	0	2
T68	0	6
T92	0	4

SrcPulseCheck_M

Name	Attempts	Real Successes
Total	5045782	1077
T3	1755	2
T5	519	0
T6	0	6
T7	1860	0
T8	518	0
T16	670	0
T17	408	0
T18	0	2
T24	0	4
T25	3498	0
T26	522	0
T30	0	4
T58	0	2
T62	419	0
T63	422	0
T66	0	2
T67	0	2
T68	0	6
T92	0	4

Line Coverage for Instance : tb.dut.u_reg.u_wkup_status_cdc.u_src_to_dst_req

	Line No.	Total	Covered	Percent
TOTAL		7	7	100.00
ALWAYS	31	3	3	100.00
CONT_ASSIGN	49	0	0
CONT_ASSIGN	52	0	0
ALWAYS	55	0	0
ALWAYS	89	3	3	100.00
CONT_ASSIGN	97	1	1	100.00



30                        always_ff @(posedge clk_src_i or negedge rst_src_ni) begin
31         1/1              if (!rst_src_ni) begin
           Tests:       T1 T4 T2 
32         1/1                src_level <= 1'b0;
           Tests:       T1 T4 T2 
33                          end else begin
34         1/1                src_level <= src_level ^ src_pulse_i;
           Tests:       T1 T4 T2 
35                          end
36                        end
37                      
38                      
39                        // source active must come far enough such that the destination domain has time
40                        // to create a valid pulse.
41                      `ifdef INC_ASSERT
42                        //VCS coverage off
43                        // pragma coverage off
44                      
45                        // source active flag tracks whether there is an ongoing "toggle" event.
46                        // Until this toggle event is accepted by the destination domain (negative edge of
47                        // of the pulse output), the source side cannot toggle again.
48                        logic effective_rst_n;
49         unreachable    assign effective_rst_n = rst_src_ni && dst_pulse_o;
50                      
51                        logic src_active_flag_d, src_active_flag_q;
52         unreachable    assign src_active_flag_d = src_pulse_i || src_active_flag_q;
53                      
54                        always_ff @(posedge clk_src_i or negedge effective_rst_n) begin
55         unreachable      if (!effective_rst_n) begin
56         unreachable        src_active_flag_q <= '0;
57                          end else begin
58         unreachable        src_active_flag_q <= src_active_flag_d;
59                          end
60                        end
61                      
62                        //VCS coverage on
63                        // pragma coverage on
64                      
65                        `ASSERT(SrcPulseCheck_M, src_pulse_i |-> !src_active_flag_q, clk_src_i, !rst_src_ni)
66                      `endif
67                      
68                        //////////////////////////////////////////////////////////
69                        // synchronize level signal to destination clock domain //
70                        //////////////////////////////////////////////////////////
71                        logic dst_level;
72                      
73                        prim_flop_2sync #(.Width(1)) prim_flop_2sync (
74                          // source clock domain
75                          .d_i    (src_level),
76                          // destination clock domain
77                          .clk_i  (clk_dst_i),
78                          .rst_ni (rst_dst_ni),
79                          .q_o    (dst_level)
80                        );
81                      
82                        ////////////////////////////////////////
83                        // convert level signal back to pulse //
84                        ////////////////////////////////////////
85                        logic dst_level_q;
86                      
87                        // delay dst_level by 1 cycle
88                        always_ff @(posedge clk_dst_i or negedge rst_dst_ni) begin
89         1/1              if (!rst_dst_ni) begin
           Tests:       T1 T4 T2 
90         1/1                dst_level_q <= 1'b0;
           Tests:       T1 T4 T2 
91                          end else begin
92         1/1                dst_level_q <= dst_level;
           Tests:       T1 T4 T2 
93                          end
94                        end
95                      
96                        // edge detection
97         1/1            assign dst_pulse_o = dst_level_q ^ dst_level;
           Tests:       T3 T6 T18

Cond Coverage for Instance : tb.dut.u_reg.u_wkup_status_cdc.u_src_to_dst_req

	Total	Covered	Percent
Conditions	8	8	100.00
Logical	8	8	100.00
Non-Logical	0	0
Event	0	0

 LINE       34
 EXPRESSION (src_level ^ src_pulse_i)
             ----1----   -----2-----

-1-	-2-	Status	Tests
0	0	Covered	T1,T4,T2
0	1	Covered	T3,T6,T18
1	0	Covered	T3,T6,T18
1	1	Covered	T6,T68,T92

 LINE       97
 EXPRESSION (dst_level_q ^ dst_level)
             -----1-----   ----2----

-1-	-2-	Status	Tests
0	0	Covered	T1,T4,T2
0	1	Covered	T3,T6,T18
1	0	Covered	T6,T68,T92
1	1	Covered	T3,T6,T18

Branch Coverage for Instance : tb.dut.u_reg.u_wkup_status_cdc.u_src_to_dst_req

	Line No.	Total	Covered	Percent
Branches		4	4	100.00
IF	31	2	2	100.00
IF	89	2	2	100.00



31             if (!rst_src_ni) begin
               -1-  
32               src_level <= 1'b0;
                 ==>
33             end else begin
34               src_level <= src_level ^ src_pulse_i;
                 ==>

Branches:

-1-	Status	Tests
1	Covered	T1,T4,T2
0	Covered	T1,T4,T2



89             if (!rst_dst_ni) begin
               -1-  
90               dst_level_q <= 1'b0;
                 ==>
91             end else begin
92               dst_level_q <= dst_level;
                 ==>

Branches:

-1-	Status	Tests
1	Covered	T1,T4,T2
0	Covered	T1,T4,T2

Assert Coverage for Instance : tb.dut.u_reg.u_wkup_status_cdc.u_src_to_dst_req

	Total	Attempted	Percent	Succeeded/Matched	Percent
Assertions	2	2	100.00	2	100.00
Cover properties	0	0		0
Cover sequences	0	0		0
Total	2	2	100.00	2	100.00

Assertion Details

Name	Attempts	Real Successes	Failures	Incomplete
DstPulseCheck_A	5045782	915	0	0
SrcPulseCheck_M	1237025007	1015	0	0

DstPulseCheck_A

Name	Attempts	Real Successes
Total	5045782	915
T3	1755	1
T5	519	0
T6	0	3
T7	1860	0
T8	518	0
T16	670	0
T17	408	0
T18	0	1
T25	3498	0
T26	522	0
T30	0	1
T37	0	5
T40	0	2
T58	0	1
T62	419	0
T63	422	0
T66	0	1
T67	0	1
T68	0	3

SrcPulseCheck_M

Name	Attempts	Real Successes
Total	1237025007	1015
T3	117509	1
T5	211269	0
T6	0	3
T7	120934	0
T8	23335	0
T16	160902	0
T17	32710	0
T18	0	1
T25	104974	0
T26	250798	0
T30	0	1
T37	0	5
T40	0	2
T58	0	1
T62	60938	0
T63	205116	0
T66	0	1
T67	0	1
T68	0	3

Line Coverage for Instance : tb.dut.u_reg.u_key_invert_ctl_cdc.u_src_to_dst_req

	Line No.	Total	Covered	Percent
TOTAL		7	7	100.00
ALWAYS	31	3	3	100.00
CONT_ASSIGN	49	0	0
CONT_ASSIGN	52	0	0
ALWAYS	55	0	0
ALWAYS	89	3	3	100.00
CONT_ASSIGN	97	1	1	100.00



30                        always_ff @(posedge clk_src_i or negedge rst_src_ni) begin
31         1/1              if (!rst_src_ni) begin
           Tests:       T1 T4 T2 
32         1/1                src_level <= 1'b0;
           Tests:       T1 T4 T2 
33                          end else begin
34         1/1                src_level <= src_level ^ src_pulse_i;
           Tests:       T1 T4 T2 
35                          end
36                        end
37                      
38                      
39                        // source active must come far enough such that the destination domain has time
40                        // to create a valid pulse.
41                      `ifdef INC_ASSERT
42                        //VCS coverage off
43                        // pragma coverage off
44                      
45                        // source active flag tracks whether there is an ongoing "toggle" event.
46                        // Until this toggle event is accepted by the destination domain (negative edge of
47                        // of the pulse output), the source side cannot toggle again.
48                        logic effective_rst_n;
49         unreachable    assign effective_rst_n = rst_src_ni && dst_pulse_o;
50                      
51                        logic src_active_flag_d, src_active_flag_q;
52         unreachable    assign src_active_flag_d = src_pulse_i || src_active_flag_q;
53                      
54                        always_ff @(posedge clk_src_i or negedge effective_rst_n) begin
55         unreachable      if (!effective_rst_n) begin
56         unreachable        src_active_flag_q <= '0;
57                          end else begin
58         unreachable        src_active_flag_q <= src_active_flag_d;
59                          end
60                        end
61                      
62                        //VCS coverage on
63                        // pragma coverage on
64                      
65                        `ASSERT(SrcPulseCheck_M, src_pulse_i |-> !src_active_flag_q, clk_src_i, !rst_src_ni)
66                      `endif
67                      
68                        //////////////////////////////////////////////////////////
69                        // synchronize level signal to destination clock domain //
70                        //////////////////////////////////////////////////////////
71                        logic dst_level;
72                      
73                        prim_flop_2sync #(.Width(1)) prim_flop_2sync (
74                          // source clock domain
75                          .d_i    (src_level),
76                          // destination clock domain
77                          .clk_i  (clk_dst_i),
78                          .rst_ni (rst_dst_ni),
79                          .q_o    (dst_level)
80                        );
81                      
82                        ////////////////////////////////////////
83                        // convert level signal back to pulse //
84                        ////////////////////////////////////////
85                        logic dst_level_q;
86                      
87                        // delay dst_level by 1 cycle
88                        always_ff @(posedge clk_dst_i or negedge rst_dst_ni) begin
89         1/1              if (!rst_dst_ni) begin
           Tests:       T1 T4 T2 
90         1/1                dst_level_q <= 1'b0;
           Tests:       T1 T4 T2 
91                          end else begin
92         1/1                dst_level_q <= dst_level;
           Tests:       T1 T4 T2 
93                          end
94                        end
95                      
96                        // edge detection
97         1/1            assign dst_pulse_o = dst_level_q ^ dst_level;
           Tests:       T15 T25 T7

Cond Coverage for Instance : tb.dut.u_reg.u_key_invert_ctl_cdc.u_src_to_dst_req

	Total	Covered	Percent
Conditions	8	8	100.00
Logical	8	8	100.00
Non-Logical	0	0
Event	0	0

 LINE       34
 EXPRESSION (src_level ^ src_pulse_i)
             ----1----   -----2-----

-1-	-2-	Status	Tests
0	0	Covered	T1,T4,T2
0	1	Covered	T15,T25,T7
1	0	Covered	T15,T25,T7
1	1	Covered	T15,T25,T7

 LINE       97
 EXPRESSION (dst_level_q ^ dst_level)
             -----1-----   ----2----

-1-	-2-	Status	Tests
0	0	Covered	T1,T4,T2
0	1	Covered	T15,T25,T7
1	0	Covered	T15,T25,T7
1	1	Covered	T15,T25,T7

Branch Coverage for Instance : tb.dut.u_reg.u_key_invert_ctl_cdc.u_src_to_dst_req

	Line No.	Total	Covered	Percent
Branches		4	4	100.00
IF	31	2	2	100.00
IF	89	2	2	100.00



31             if (!rst_src_ni) begin
               -1-  
32               src_level <= 1'b0;
                 ==>
33             end else begin
34               src_level <= src_level ^ src_pulse_i;
                 ==>

Branches:

-1-	Status	Tests
1	Covered	T1,T4,T2
0	Covered	T1,T4,T2



89             if (!rst_dst_ni) begin
               -1-  
90               dst_level_q <= 1'b0;
                 ==>
91             end else begin
92               dst_level_q <= dst_level;
                 ==>

Branches:

-1-	Status	Tests
1	Covered	T1,T4,T2
0	Covered	T1,T4,T2

Assert Coverage for Instance : tb.dut.u_reg.u_key_invert_ctl_cdc.u_src_to_dst_req

	Total	Attempted	Percent	Succeeded/Matched	Percent
Assertions	2	2	100.00	2	100.00
Cover properties	0	0		0
Cover sequences	0	0		0
Total	2	2	100.00	2	100.00

Assertion Details

Name	Attempts	Real Successes	Failures	Incomplete
DstPulseCheck_A	5045782	2168	0	0
SrcPulseCheck_M	1237025007	2274	0	0

DstPulseCheck_A

Name	Attempts	Real Successes
Total	5045782	2168
T3	1755	0
T5	519	0
T7	1860	20
T8	518	0
T15	492	20
T16	670	0
T17	408	0
T25	3498	20
T26	522	0
T58	0	20
T62	419	0
T71	0	20
T72	0	20
T73	0	20
T74	0	20
T75	0	20
T76	0	20

SrcPulseCheck_M

Name	Attempts	Real Successes
Total	1237025007	2274
T3	117509	0
T5	211269	0
T7	120934	20
T8	23335	0
T15	243722	20
T16	160902	0
T17	32710	0
T25	104974	20
T26	250798	0
T58	0	20
T62	60938	0
T71	0	20
T72	0	20
T73	0	20
T74	0	20
T75	0	20
T76	0	20

Line Coverage for Instance : tb.dut.u_reg.u_key_invert_ctl_cdc.u_arb.gen_passthru.u_dst_to_src_ack

	Line No.	Total	Covered	Percent
TOTAL		7	7	100.00
ALWAYS	31	3	3	100.00
CONT_ASSIGN	49	0	0
CONT_ASSIGN	52	0	0
ALWAYS	55	0	0
ALWAYS	89	3	3	100.00
CONT_ASSIGN	97	1	1	100.00



30                        always_ff @(posedge clk_src_i or negedge rst_src_ni) begin
31         1/1              if (!rst_src_ni) begin
           Tests:       T1 T4 T2 
32         1/1                src_level <= 1'b0;
           Tests:       T1 T4 T2 
33                          end else begin
34         1/1                src_level <= src_level ^ src_pulse_i;
           Tests:       T1 T4 T2 
35                          end
36                        end
37                      
38                      
39                        // source active must come far enough such that the destination domain has time
40                        // to create a valid pulse.
41                      `ifdef INC_ASSERT
42                        //VCS coverage off
43                        // pragma coverage off
44                      
45                        // source active flag tracks whether there is an ongoing "toggle" event.
46                        // Until this toggle event is accepted by the destination domain (negative edge of
47                        // of the pulse output), the source side cannot toggle again.
48                        logic effective_rst_n;
49         unreachable    assign effective_rst_n = rst_src_ni && dst_pulse_o;
50                      
51                        logic src_active_flag_d, src_active_flag_q;
52         unreachable    assign src_active_flag_d = src_pulse_i || src_active_flag_q;
53                      
54                        always_ff @(posedge clk_src_i or negedge effective_rst_n) begin
55         unreachable      if (!effective_rst_n) begin
56         unreachable        src_active_flag_q <= '0;
57                          end else begin
58         unreachable        src_active_flag_q <= src_active_flag_d;
59                          end
60                        end
61                      
62                        //VCS coverage on
63                        // pragma coverage on
64                      
65                        `ASSERT(SrcPulseCheck_M, src_pulse_i |-> !src_active_flag_q, clk_src_i, !rst_src_ni)
66                      `endif
67                      
68                        //////////////////////////////////////////////////////////
69                        // synchronize level signal to destination clock domain //
70                        //////////////////////////////////////////////////////////
71                        logic dst_level;
72                      
73                        prim_flop_2sync #(.Width(1)) prim_flop_2sync (
74                          // source clock domain
75                          .d_i    (src_level),
76                          // destination clock domain
77                          .clk_i  (clk_dst_i),
78                          .rst_ni (rst_dst_ni),
79                          .q_o    (dst_level)
80                        );
81                      
82                        ////////////////////////////////////////
83                        // convert level signal back to pulse //
84                        ////////////////////////////////////////
85                        logic dst_level_q;
86                      
87                        // delay dst_level by 1 cycle
88                        always_ff @(posedge clk_dst_i or negedge rst_dst_ni) begin
89         1/1              if (!rst_dst_ni) begin
           Tests:       T1 T4 T2 
90         1/1                dst_level_q <= 1'b0;
           Tests:       T1 T4 T2 
91                          end else begin
92         1/1                dst_level_q <= dst_level;
           Tests:       T1 T4 T2 
93                          end
94                        end
95                      
96                        // edge detection
97         1/1            assign dst_pulse_o = dst_level_q ^ dst_level;
           Tests:       T1 T4 T2

Cond Coverage for Instance : tb.dut.u_reg.u_key_invert_ctl_cdc.u_arb.gen_passthru.u_dst_to_src_ack

	Total	Covered	Percent
Conditions	8	8	100.00
Logical	8	8	100.00
Non-Logical	0	0
Event	0	0

 LINE       34
 EXPRESSION (src_level ^ src_pulse_i)
             ----1----   -----2-----

-1-	-2-	Status	Tests
0	0	Covered	T1,T4,T2
0	1	Covered	T15,T25,T7
1	0	Covered	T15,T25,T7
1	1	Covered	T15,T25,T7

 LINE       97
 EXPRESSION (dst_level_q ^ dst_level)
             -----1-----   ----2----

-1-	-2-	Status	Tests
0	0	Covered	T1,T4,T2
0	1	Covered	T15,T25,T7
1	0	Covered	T15,T25,T7
1	1	Covered	T15,T25,T7

Branch Coverage for Instance : tb.dut.u_reg.u_key_invert_ctl_cdc.u_arb.gen_passthru.u_dst_to_src_ack

	Line No.	Total	Covered	Percent
Branches		4	4	100.00
IF	31	2	2	100.00
IF	89	2	2	100.00



31             if (!rst_src_ni) begin
               -1-  
32               src_level <= 1'b0;
                 ==>
33             end else begin
34               src_level <= src_level ^ src_pulse_i;
                 ==>

Branches:

-1-	Status	Tests
1	Covered	T1,T4,T2
0	Covered	T1,T4,T2



89             if (!rst_dst_ni) begin
               -1-  
90               dst_level_q <= 1'b0;
                 ==>
91             end else begin
92               dst_level_q <= dst_level;
                 ==>

Branches:

-1-	Status	Tests
1	Covered	T1,T4,T2
0	Covered	T1,T4,T2

Assert Coverage for Instance : tb.dut.u_reg.u_key_invert_ctl_cdc.u_arb.gen_passthru.u_dst_to_src_ack

	Total	Attempted	Percent	Succeeded/Matched	Percent
Assertions	2	2	100.00	2	100.00
Cover properties	0	0		0
Cover sequences	0	0		0
Total	2	2	100.00	2	100.00

Assertion Details

Name	Attempts	Real Successes	Failures	Incomplete
DstPulseCheck_A	1237025007	2269	0	0
SrcPulseCheck_M	5045782	2269	0	0

DstPulseCheck_A

Name	Attempts	Real Successes
Total	1237025007	2269
T3	117509	0
T5	211269	0
T7	120934	20
T8	23335	0
T15	243722	20
T16	160902	0
T17	32710	0
T25	104974	20
T26	250798	0
T58	0	20
T62	60938	0
T71	0	20
T72	0	20
T73	0	20
T74	0	20
T75	0	20
T76	0	20

SrcPulseCheck_M

Name	Attempts	Real Successes
Total	5045782	2269
T3	1755	0
T5	519	0
T7	1860	20
T8	518	0
T15	492	20
T16	670	0
T17	408	0
T25	3498	20
T26	522	0
T58	0	20
T62	419	0
T71	0	20
T72	0	20
T73	0	20
T74	0	20
T75	0	20
T76	0	20

Line Coverage for Instance : tb.dut.u_reg.u_pin_allowed_ctl_cdc.u_src_to_dst_req

	Line No.	Total	Covered	Percent
TOTAL		7	7	100.00
ALWAYS	31	3	3	100.00
CONT_ASSIGN	49	0	0
CONT_ASSIGN	52	0	0
ALWAYS	55	0	0
ALWAYS	89	3	3	100.00
CONT_ASSIGN	97	1	1	100.00



30                        always_ff @(posedge clk_src_i or negedge rst_src_ni) begin
31         1/1              if (!rst_src_ni) begin
           Tests:       T1 T4 T2 
32         1/1                src_level <= 1'b0;
           Tests:       T1 T4 T2 
33                          end else begin
34         1/1                src_level <= src_level ^ src_pulse_i;
           Tests:       T1 T4 T2 
35                          end
36                        end
37                      
38                      
39                        // source active must come far enough such that the destination domain has time
40                        // to create a valid pulse.
41                      `ifdef INC_ASSERT
42                        //VCS coverage off
43                        // pragma coverage off
44                      
45                        // source active flag tracks whether there is an ongoing "toggle" event.
46                        // Until this toggle event is accepted by the destination domain (negative edge of
47                        // of the pulse output), the source side cannot toggle again.
48                        logic effective_rst_n;
49         unreachable    assign effective_rst_n = rst_src_ni && dst_pulse_o;
50                      
51                        logic src_active_flag_d, src_active_flag_q;
52         unreachable    assign src_active_flag_d = src_pulse_i || src_active_flag_q;
53                      
54                        always_ff @(posedge clk_src_i or negedge effective_rst_n) begin
55         unreachable      if (!effective_rst_n) begin
56         unreachable        src_active_flag_q <= '0;
57                          end else begin
58         unreachable        src_active_flag_q <= src_active_flag_d;
59                          end
60                        end
61                      
62                        //VCS coverage on
63                        // pragma coverage on
64                      
65                        `ASSERT(SrcPulseCheck_M, src_pulse_i |-> !src_active_flag_q, clk_src_i, !rst_src_ni)
66                      `endif
67                      
68                        //////////////////////////////////////////////////////////
69                        // synchronize level signal to destination clock domain //
70                        //////////////////////////////////////////////////////////
71                        logic dst_level;
72                      
73                        prim_flop_2sync #(.Width(1)) prim_flop_2sync (
74                          // source clock domain
75                          .d_i    (src_level),
76                          // destination clock domain
77                          .clk_i  (clk_dst_i),
78                          .rst_ni (rst_dst_ni),
79                          .q_o    (dst_level)
80                        );
81                      
82                        ////////////////////////////////////////
83                        // convert level signal back to pulse //
84                        ////////////////////////////////////////
85                        logic dst_level_q;
86                      
87                        // delay dst_level by 1 cycle
88                        always_ff @(posedge clk_dst_i or negedge rst_dst_ni) begin
89         1/1              if (!rst_dst_ni) begin
           Tests:       T1 T4 T2 
90         1/1                dst_level_q <= 1'b0;
           Tests:       T1 T4 T2 
91                          end else begin
92         1/1                dst_level_q <= dst_level;
           Tests:       T1 T4 T2 
93                          end
94                        end
95                      
96                        // edge detection
97         1/1            assign dst_pulse_o = dst_level_q ^ dst_level;
           Tests:       T4 T15 T26

Cond Coverage for Instance : tb.dut.u_reg.u_pin_allowed_ctl_cdc.u_src_to_dst_req

	Total	Covered	Percent
Conditions	8	8	100.00
Logical	8	8	100.00
Non-Logical	0	0
Event	0	0

 LINE       34
 EXPRESSION (src_level ^ src_pulse_i)
             ----1----   -----2-----

-1-	-2-	Status	Tests
0	0	Covered	T1,T4,T2
0	1	Covered	T4,T15,T26
1	0	Covered	T4,T15,T26
1	1	Covered	T4,T26,T25

 LINE       97
 EXPRESSION (dst_level_q ^ dst_level)
             -----1-----   ----2----

-1-	-2-	Status	Tests
0	0	Covered	T1,T4,T2
0	1	Covered	T4,T15,T26
1	0	Covered	T4,T26,T25
1	1	Covered	T4,T15,T26

Branch Coverage for Instance : tb.dut.u_reg.u_pin_allowed_ctl_cdc.u_src_to_dst_req

	Line No.	Total	Covered	Percent
Branches		4	4	100.00
IF	31	2	2	100.00
IF	89	2	2	100.00



31             if (!rst_src_ni) begin
               -1-  
32               src_level <= 1'b0;
                 ==>
33             end else begin
34               src_level <= src_level ^ src_pulse_i;
                 ==>

Branches:

-1-	Status	Tests
1	Covered	T1,T4,T2
0	Covered	T1,T4,T2



89             if (!rst_dst_ni) begin
               -1-  
90               dst_level_q <= 1'b0;
                 ==>
91             end else begin
92               dst_level_q <= dst_level;
                 ==>

Branches:

-1-	Status	Tests
1	Covered	T1,T4,T2
0	Covered	T1,T4,T2

Assert Coverage for Instance : tb.dut.u_reg.u_pin_allowed_ctl_cdc.u_src_to_dst_req

	Total	Attempted	Percent	Succeeded/Matched	Percent
Assertions	2	2	100.00	2	100.00
Cover properties	0	0		0
Cover sequences	0	0		0
Total	2	2	100.00	2	100.00

Assertion Details

Name	Attempts	Real Successes	Failures	Incomplete
DstPulseCheck_A	5045782	3974	0	0
SrcPulseCheck_M	1237025007	4087	0	0

DstPulseCheck_A

Name	Attempts	Real Successes
Total	5045782	3974
T2	485	0
T3	1755	0
T4	510	20
T5	519	0
T7	0	1
T12	450	0
T13	422	0
T14	761	0
T15	492	1
T16	670	0
T17	408	0
T25	0	25
T26	0	20
T71	0	1
T72	0	1
T77	0	20
T78	0	20
T79	0	20

SrcPulseCheck_M

Name	Attempts	Real Successes
Total	1237025007	4087
T2	118961	0
T3	117509	0
T4	30650	20
T5	211269	0
T7	0	1
T12	51830	0
T13	211429	0
T14	91412	0
T15	243722	1
T16	160902	0
T17	32710	0
T25	0	26
T26	0	20
T71	0	1
T72	0	1
T77	0	20
T78	0	20
T79	0	20

Line Coverage for Instance : tb.dut.u_reg.u_pin_allowed_ctl_cdc.u_arb.gen_passthru.u_dst_to_src_ack

	Line No.	Total	Covered	Percent
TOTAL		7	7	100.00
ALWAYS	31	3	3	100.00
CONT_ASSIGN	49	0	0
CONT_ASSIGN	52	0	0
ALWAYS	55	0	0
ALWAYS	89	3	3	100.00
CONT_ASSIGN	97	1	1	100.00



30                        always_ff @(posedge clk_src_i or negedge rst_src_ni) begin
31         1/1              if (!rst_src_ni) begin
           Tests:       T1 T4 T2 
32         1/1                src_level <= 1'b0;
           Tests:       T1 T4 T2 
33                          end else begin
34         1/1                src_level <= src_level ^ src_pulse_i;
           Tests:       T1 T4 T2 
35                          end
36                        end
37                      
38                      
39                        // source active must come far enough such that the destination domain has time
40                        // to create a valid pulse.
41                      `ifdef INC_ASSERT
42                        //VCS coverage off
43                        // pragma coverage off
44                      
45                        // source active flag tracks whether there is an ongoing "toggle" event.
46                        // Until this toggle event is accepted by the destination domain (negative edge of
47                        // of the pulse output), the source side cannot toggle again.
48                        logic effective_rst_n;
49         unreachable    assign effective_rst_n = rst_src_ni && dst_pulse_o;
50                      
51                        logic src_active_flag_d, src_active_flag_q;
52         unreachable    assign src_active_flag_d = src_pulse_i || src_active_flag_q;
53                      
54                        always_ff @(posedge clk_src_i or negedge effective_rst_n) begin
55         unreachable      if (!effective_rst_n) begin
56         unreachable        src_active_flag_q <= '0;
57                          end else begin
58         unreachable        src_active_flag_q <= src_active_flag_d;
59                          end
60                        end
61                      
62                        //VCS coverage on
63                        // pragma coverage on
64                      
65                        `ASSERT(SrcPulseCheck_M, src_pulse_i |-> !src_active_flag_q, clk_src_i, !rst_src_ni)
66                      `endif
67                      
68                        //////////////////////////////////////////////////////////
69                        // synchronize level signal to destination clock domain //
70                        //////////////////////////////////////////////////////////
71                        logic dst_level;
72                      
73                        prim_flop_2sync #(.Width(1)) prim_flop_2sync (
74                          // source clock domain
75                          .d_i    (src_level),
76                          // destination clock domain
77                          .clk_i  (clk_dst_i),
78                          .rst_ni (rst_dst_ni),
79                          .q_o    (dst_level)
80                        );
81                      
82                        ////////////////////////////////////////
83                        // convert level signal back to pulse //
84                        ////////////////////////////////////////
85                        logic dst_level_q;
86                      
87                        // delay dst_level by 1 cycle
88                        always_ff @(posedge clk_dst_i or negedge rst_dst_ni) begin
89         1/1              if (!rst_dst_ni) begin
           Tests:       T1 T4 T2 
90         1/1                dst_level_q <= 1'b0;
           Tests:       T1 T4 T2 
91                          end else begin
92         1/1                dst_level_q <= dst_level;
           Tests:       T1 T4 T2 
93                          end
94                        end
95                      
96                        // edge detection
97         1/1            assign dst_pulse_o = dst_level_q ^ dst_level;
           Tests:       T1 T4 T2

Cond Coverage for Instance : tb.dut.u_reg.u_pin_allowed_ctl_cdc.u_arb.gen_passthru.u_dst_to_src_ack

	Total	Covered	Percent
Conditions	8	8	100.00
Logical	8	8	100.00
Non-Logical	0	0
Event	0	0

 LINE       34
 EXPRESSION (src_level ^ src_pulse_i)
             ----1----   -----2-----

-1-	-2-	Status	Tests
0	0	Covered	T1,T4,T2
0	1	Covered	T4,T15,T26
1	0	Covered	T4,T15,T26
1	1	Covered	T4,T26,T25

 LINE       97
 EXPRESSION (dst_level_q ^ dst_level)
             -----1-----   ----2----

-1-	-2-	Status	Tests
0	0	Covered	T1,T4,T2
0	1	Covered	T4,T15,T26
1	0	Covered	T4,T26,T25
1	1	Covered	T4,T15,T26

Branch Coverage for Instance : tb.dut.u_reg.u_pin_allowed_ctl_cdc.u_arb.gen_passthru.u_dst_to_src_ack

	Line No.	Total	Covered	Percent
Branches		4	4	100.00
IF	31	2	2	100.00
IF	89	2	2	100.00



31             if (!rst_src_ni) begin
               -1-  
32               src_level <= 1'b0;
                 ==>
33             end else begin
34               src_level <= src_level ^ src_pulse_i;
                 ==>

Branches:

-1-	Status	Tests
1	Covered	T1,T4,T2
0	Covered	T1,T4,T2



89             if (!rst_dst_ni) begin
               -1-  
90               dst_level_q <= 1'b0;
                 ==>
91             end else begin
92               dst_level_q <= dst_level;
                 ==>

Branches:

-1-	Status	Tests
1	Covered	T1,T4,T2
0	Covered	T1,T4,T2

Assert Coverage for Instance : tb.dut.u_reg.u_pin_allowed_ctl_cdc.u_arb.gen_passthru.u_dst_to_src_ack

	Total	Attempted	Percent	Succeeded/Matched	Percent
Assertions	2	2	100.00	2	100.00
Cover properties	0	0		0
Cover sequences	0	0		0
Total	2	2	100.00	2	100.00

Assertion Details

Name	Attempts	Real Successes	Failures	Incomplete
DstPulseCheck_A	1237025007	4077	0	0
SrcPulseCheck_M	5045782	4077	0	0

DstPulseCheck_A

Name	Attempts	Real Successes
Total	1237025007	4077
T2	118961	0
T3	117509	0
T4	30650	20
T5	211269	0
T7	0	1
T12	51830	0
T13	211429	0
T14	91412	0
T15	243722	1
T16	160902	0
T17	32710	0
T25	0	25
T26	0	20
T71	0	1
T72	0	1
T77	0	20
T78	0	20
T79	0	20

SrcPulseCheck_M

Name	Attempts	Real Successes
Total	5045782	4077
T2	485	0
T3	1755	0
T4	510	20
T5	519	0
T7	0	1
T12	450	0
T13	422	0
T14	761	0
T15	492	1
T16	670	0
T17	408	0
T25	0	25
T26	0	20
T71	0	1
T72	0	1
T77	0	20
T78	0	20
T79	0	20

Line Coverage for Instance : tb.dut.u_reg.u_pin_out_ctl_cdc.u_src_to_dst_req

	Line No.	Total	Covered	Percent
TOTAL		7	7	100.00
ALWAYS	31	3	3	100.00
CONT_ASSIGN	49	0	0
CONT_ASSIGN	52	0	0
ALWAYS	55	0	0
ALWAYS	89	3	3	100.00
CONT_ASSIGN	97	1	1	100.00



30                        always_ff @(posedge clk_src_i or negedge rst_src_ni) begin
31         1/1              if (!rst_src_ni) begin
           Tests:       T1 T4 T2 
32         1/1                src_level <= 1'b0;
           Tests:       T1 T4 T2 
33                          end else begin
34         1/1                src_level <= src_level ^ src_pulse_i;
           Tests:       T1 T4 T2 
35                          end
36                        end
37                      
38                      
39                        // source active must come far enough such that the destination domain has time
40                        // to create a valid pulse.
41                      `ifdef INC_ASSERT
42                        //VCS coverage off
43                        // pragma coverage off
44                      
45                        // source active flag tracks whether there is an ongoing "toggle" event.
46                        // Until this toggle event is accepted by the destination domain (negative edge of
47                        // of the pulse output), the source side cannot toggle again.
48                        logic effective_rst_n;
49         unreachable    assign effective_rst_n = rst_src_ni && dst_pulse_o;
50                      
51                        logic src_active_flag_d, src_active_flag_q;
52         unreachable    assign src_active_flag_d = src_pulse_i || src_active_flag_q;
53                      
54                        always_ff @(posedge clk_src_i or negedge effective_rst_n) begin
55         unreachable      if (!effective_rst_n) begin
56         unreachable        src_active_flag_q <= '0;
57                          end else begin
58         unreachable        src_active_flag_q <= src_active_flag_d;
59                          end
60                        end
61                      
62                        //VCS coverage on
63                        // pragma coverage on
64                      
65                        `ASSERT(SrcPulseCheck_M, src_pulse_i |-> !src_active_flag_q, clk_src_i, !rst_src_ni)
66                      `endif
67                      
68                        //////////////////////////////////////////////////////////
69                        // synchronize level signal to destination clock domain //
70                        //////////////////////////////////////////////////////////
71                        logic dst_level;
72                      
73                        prim_flop_2sync #(.Width(1)) prim_flop_2sync (
74                          // source clock domain
75                          .d_i    (src_level),
76                          // destination clock domain
77                          .clk_i  (clk_dst_i),
78                          .rst_ni (rst_dst_ni),
79                          .q_o    (dst_level)
80                        );
81                      
82                        ////////////////////////////////////////
83                        // convert level signal back to pulse //
84                        ////////////////////////////////////////
85                        logic dst_level_q;
86                      
87                        // delay dst_level by 1 cycle
88                        always_ff @(posedge clk_dst_i or negedge rst_dst_ni) begin
89         1/1              if (!rst_dst_ni) begin
           Tests:       T1 T4 T2 
90         1/1                dst_level_q <= 1'b0;
           Tests:       T1 T4 T2 
91                          end else begin
92         1/1                dst_level_q <= dst_level;
           Tests:       T1 T4 T2 
93                          end
94                        end
95                      
96                        // edge detection
97         1/1            assign dst_pulse_o = dst_level_q ^ dst_level;
           Tests:       T1 T4 T2

Cond Coverage for Instance : tb.dut.u_reg.u_pin_out_ctl_cdc.u_src_to_dst_req

	Total	Covered	Percent
Conditions	8	8	100.00
Logical	8	8	100.00
Non-Logical	0	0
Event	0	0

 LINE       34
 EXPRESSION (src_level ^ src_pulse_i)
             ----1----   -----2-----

-1-	-2-	Status	Tests
0	0	Covered	T1,T4,T2
0	1	Covered	T1,T4,T2
1	0	Covered	T1,T4,T2
1	1	Covered	T4,T26,T25

 LINE       97
 EXPRESSION (dst_level_q ^ dst_level)
             -----1-----   ----2----

-1-	-2-	Status	Tests
0	0	Covered	T1,T4,T2
0	1	Covered	T1,T4,T2
1	0	Covered	T4,T26,T25
1	1	Covered	T1,T4,T2

Branch Coverage for Instance : tb.dut.u_reg.u_pin_out_ctl_cdc.u_src_to_dst_req

	Line No.	Total	Covered	Percent
Branches		4	4	100.00
IF	31	2	2	100.00
IF	89	2	2	100.00



31             if (!rst_src_ni) begin
               -1-  
32               src_level <= 1'b0;
                 ==>
33             end else begin
34               src_level <= src_level ^ src_pulse_i;
                 ==>

Branches:

-1-	Status	Tests
1	Covered	T1,T4,T2
0	Covered	T1,T4,T2



89             if (!rst_dst_ni) begin
               -1-  
90               dst_level_q <= 1'b0;
                 ==>
91             end else begin
92               dst_level_q <= dst_level;
                 ==>

Branches:

-1-	Status	Tests
1	Covered	T1,T4,T2
0	Covered	T1,T4,T2

Assert Coverage for Instance : tb.dut.u_reg.u_pin_out_ctl_cdc.u_src_to_dst_req

	Total	Attempted	Percent	Succeeded/Matched	Percent
Assertions	2	2	100.00	2	100.00
Cover properties	0	0		0
Cover sequences	0	0		0
Total	2	2	100.00	2	100.00

Assertion Details

Name	Attempts	Real Successes	Failures	Incomplete
DstPulseCheck_A	5045782	4911	0	0
SrcPulseCheck_M	1237025007	5019	0	0

DstPulseCheck_A

Name	Attempts	Real Successes
Total	5045782	4911
T1	509	1
T2	485	1
T3	1755	0
T4	510	20
T7	0	2
T8	0	1
T12	450	0
T13	422	0
T14	761	1
T15	492	1
T16	670	0
T17	408	0
T25	0	25
T26	0	20
T77	0	20

SrcPulseCheck_M

Name	Attempts	Real Successes
Total	1237025007	5019
T1	63618	1
T2	118961	1
T3	117509	0
T4	30650	20
T7	0	2
T8	0	1
T12	51830	0
T13	211429	0
T14	91412	1
T15	243722	1
T16	160902	0
T17	32710	0
T25	0	26
T26	0	20
T77	0	20

Line Coverage for Instance : tb.dut.u_reg.u_pin_out_ctl_cdc.u_arb.gen_passthru.u_dst_to_src_ack

	Line No.	Total	Covered	Percent
TOTAL		7	7	100.00
ALWAYS	31	3	3	100.00
CONT_ASSIGN	49	0	0
CONT_ASSIGN	52	0	0
ALWAYS	55	0	0
ALWAYS	89	3	3	100.00
CONT_ASSIGN	97	1	1	100.00



30                        always_ff @(posedge clk_src_i or negedge rst_src_ni) begin
31         1/1              if (!rst_src_ni) begin
           Tests:       T1 T4 T2 
32         1/1                src_level <= 1'b0;
           Tests:       T1 T4 T2 
33                          end else begin
34         1/1                src_level <= src_level ^ src_pulse_i;
           Tests:       T1 T4 T2 
35                          end
36                        end
37                      
38                      
39                        // source active must come far enough such that the destination domain has time
40                        // to create a valid pulse.
41                      `ifdef INC_ASSERT
42                        //VCS coverage off
43                        // pragma coverage off
44                      
45                        // source active flag tracks whether there is an ongoing "toggle" event.
46                        // Until this toggle event is accepted by the destination domain (negative edge of
47                        // of the pulse output), the source side cannot toggle again.
48                        logic effective_rst_n;
49         unreachable    assign effective_rst_n = rst_src_ni && dst_pulse_o;
50                      
51                        logic src_active_flag_d, src_active_flag_q;
52         unreachable    assign src_active_flag_d = src_pulse_i || src_active_flag_q;
53                      
54                        always_ff @(posedge clk_src_i or negedge effective_rst_n) begin
55         unreachable      if (!effective_rst_n) begin
56         unreachable        src_active_flag_q <= '0;
57                          end else begin
58         unreachable        src_active_flag_q <= src_active_flag_d;
59                          end
60                        end
61                      
62                        //VCS coverage on
63                        // pragma coverage on
64                      
65                        `ASSERT(SrcPulseCheck_M, src_pulse_i |-> !src_active_flag_q, clk_src_i, !rst_src_ni)
66                      `endif
67                      
68                        //////////////////////////////////////////////////////////
69                        // synchronize level signal to destination clock domain //
70                        //////////////////////////////////////////////////////////
71                        logic dst_level;
72                      
73                        prim_flop_2sync #(.Width(1)) prim_flop_2sync (
74                          // source clock domain
75                          .d_i    (src_level),
76                          // destination clock domain
77                          .clk_i  (clk_dst_i),
78                          .rst_ni (rst_dst_ni),
79                          .q_o    (dst_level)
80                        );
81                      
82                        ////////////////////////////////////////
83                        // convert level signal back to pulse //
84                        ////////////////////////////////////////
85                        logic dst_level_q;
86                      
87                        // delay dst_level by 1 cycle
88                        always_ff @(posedge clk_dst_i or negedge rst_dst_ni) begin
89         1/1              if (!rst_dst_ni) begin
           Tests:       T1 T4 T2 
90         1/1                dst_level_q <= 1'b0;
           Tests:       T1 T4 T2 
91                          end else begin
92         1/1                dst_level_q <= dst_level;
           Tests:       T1 T4 T2 
93                          end
94                        end
95                      
96                        // edge detection
97         1/1            assign dst_pulse_o = dst_level_q ^ dst_level;
           Tests:       T1 T4 T2

Cond Coverage for Instance : tb.dut.u_reg.u_pin_out_ctl_cdc.u_arb.gen_passthru.u_dst_to_src_ack

	Total	Covered	Percent
Conditions	8	8	100.00
Logical	8	8	100.00
Non-Logical	0	0
Event	0	0

 LINE       34
 EXPRESSION (src_level ^ src_pulse_i)
             ----1----   -----2-----

-1-	-2-	Status	Tests
0	0	Covered	T1,T4,T2
0	1	Covered	T1,T4,T2
1	0	Covered	T1,T4,T2
1	1	Covered	T4,T26,T25

 LINE       97
 EXPRESSION (dst_level_q ^ dst_level)
             -----1-----   ----2----

-1-	-2-	Status	Tests
0	0	Covered	T1,T4,T2
0	1	Covered	T1,T4,T2
1	0	Covered	T4,T26,T25
1	1	Covered	T1,T4,T2

Branch Coverage for Instance : tb.dut.u_reg.u_pin_out_ctl_cdc.u_arb.gen_passthru.u_dst_to_src_ack

	Line No.	Total	Covered	Percent
Branches		4	4	100.00
IF	31	2	2	100.00
IF	89	2	2	100.00



31             if (!rst_src_ni) begin
               -1-  
32               src_level <= 1'b0;
                 ==>
33             end else begin
34               src_level <= src_level ^ src_pulse_i;
                 ==>

Branches:

-1-	Status	Tests
1	Covered	T1,T4,T2
0	Covered	T1,T4,T2



89             if (!rst_dst_ni) begin
               -1-  
90               dst_level_q <= 1'b0;
                 ==>
91             end else begin
92               dst_level_q <= dst_level;
                 ==>

Branches:

-1-	Status	Tests
1	Covered	T1,T4,T2
0	Covered	T1,T4,T2

Assert Coverage for Instance : tb.dut.u_reg.u_pin_out_ctl_cdc.u_arb.gen_passthru.u_dst_to_src_ack

	Total	Attempted	Percent	Succeeded/Matched	Percent
Assertions	2	2	100.00	2	100.00
Cover properties	0	0		0
Cover sequences	0	0		0
Total	2	2	100.00	2	100.00

Assertion Details

Name	Attempts	Real Successes	Failures	Incomplete
DstPulseCheck_A	1237025007	5010	0	0
SrcPulseCheck_M	5045782	5010	0	0

DstPulseCheck_A

Name	Attempts	Real Successes
Total	1237025007	5010
T1	63618	1
T2	118961	1
T3	117509	0
T4	30650	20
T7	0	2
T8	0	1
T12	51830	0
T13	211429	0
T14	91412	1
T15	243722	1
T16	160902	0
T17	32710	0
T25	0	25
T26	0	20
T77	0	20

SrcPulseCheck_M

Name	Attempts	Real Successes
Total	5045782	5010
T1	509	1
T2	485	1
T3	1755	0
T4	510	20
T7	0	2
T8	0	1
T12	450	0
T13	422	0
T14	761	1
T15	492	1
T16	670	0
T17	408	0
T25	0	25
T26	0	20
T77	0	20

Line Coverage for Instance : tb.dut.u_reg.u_pin_out_value_cdc.u_src_to_dst_req

	Line No.	Total	Covered	Percent
TOTAL		7	7	100.00
ALWAYS	31	3	3	100.00
CONT_ASSIGN	49	0	0
CONT_ASSIGN	52	0	0
ALWAYS	55	0	0
ALWAYS	89	3	3	100.00
CONT_ASSIGN	97	1	1	100.00



30                        always_ff @(posedge clk_src_i or negedge rst_src_ni) begin
31         1/1              if (!rst_src_ni) begin
           Tests:       T1 T4 T2 
32         1/1                src_level <= 1'b0;
           Tests:       T1 T4 T2 
33                          end else begin
34         1/1                src_level <= src_level ^ src_pulse_i;
           Tests:       T1 T4 T2 
35                          end
36                        end
37                      
38                      
39                        // source active must come far enough such that the destination domain has time
40                        // to create a valid pulse.
41                      `ifdef INC_ASSERT
42                        //VCS coverage off
43                        // pragma coverage off
44                      
45                        // source active flag tracks whether there is an ongoing "toggle" event.
46                        // Until this toggle event is accepted by the destination domain (negative edge of
47                        // of the pulse output), the source side cannot toggle again.
48                        logic effective_rst_n;
49         unreachable    assign effective_rst_n = rst_src_ni && dst_pulse_o;
50                      
51                        logic src_active_flag_d, src_active_flag_q;
52         unreachable    assign src_active_flag_d = src_pulse_i || src_active_flag_q;
53                      
54                        always_ff @(posedge clk_src_i or negedge effective_rst_n) begin
55         unreachable      if (!effective_rst_n) begin
56         unreachable        src_active_flag_q <= '0;
57                          end else begin
58         unreachable        src_active_flag_q <= src_active_flag_d;
59                          end
60                        end
61                      
62                        //VCS coverage on
63                        // pragma coverage on
64                      
65                        `ASSERT(SrcPulseCheck_M, src_pulse_i |-> !src_active_flag_q, clk_src_i, !rst_src_ni)
66                      `endif
67                      
68                        //////////////////////////////////////////////////////////
69                        // synchronize level signal to destination clock domain //
70                        //////////////////////////////////////////////////////////
71                        logic dst_level;
72                      
73                        prim_flop_2sync #(.Width(1)) prim_flop_2sync (
74                          // source clock domain
75                          .d_i    (src_level),
76                          // destination clock domain
77                          .clk_i  (clk_dst_i),
78                          .rst_ni (rst_dst_ni),
79                          .q_o    (dst_level)
80                        );
81                      
82                        ////////////////////////////////////////
83                        // convert level signal back to pulse //
84                        ////////////////////////////////////////
85                        logic dst_level_q;
86                      
87                        // delay dst_level by 1 cycle
88                        always_ff @(posedge clk_dst_i or negedge rst_dst_ni) begin
89         1/1              if (!rst_dst_ni) begin
           Tests:       T1 T4 T2 
90         1/1                dst_level_q <= 1'b0;
           Tests:       T1 T4 T2 
91                          end else begin
92         1/1                dst_level_q <= dst_level;
           Tests:       T1 T4 T2 
93                          end
94                        end
95                      
96                        // edge detection
97         1/1            assign dst_pulse_o = dst_level_q ^ dst_level;
           Tests:       T4 T26 T25

Cond Coverage for Instance : tb.dut.u_reg.u_pin_out_value_cdc.u_src_to_dst_req

	Total	Covered	Percent
Conditions	8	8	100.00
Logical	8	8	100.00
Non-Logical	0	0
Event	0	0

 LINE       34
 EXPRESSION (src_level ^ src_pulse_i)
             ----1----   -----2-----

-1-	-2-	Status	Tests
0	0	Covered	T1,T4,T2
0	1	Covered	T4,T26,T25
1	0	Covered	T4,T26,T25
1	1	Covered	T4,T26,T25

 LINE       97
 EXPRESSION (dst_level_q ^ dst_level)
             -----1-----   ----2----

-1-	-2-	Status	Tests
0	0	Covered	T1,T4,T2
0	1	Covered	T4,T26,T25
1	0	Covered	T4,T26,T25
1	1	Covered	T4,T26,T25

Branch Coverage for Instance : tb.dut.u_reg.u_pin_out_value_cdc.u_src_to_dst_req

	Line No.	Total	Covered	Percent
Branches		4	4	100.00
IF	31	2	2	100.00
IF	89	2	2	100.00



31             if (!rst_src_ni) begin
               -1-  
32               src_level <= 1'b0;
                 ==>
33             end else begin
34               src_level <= src_level ^ src_pulse_i;
                 ==>

Branches:

-1-	Status	Tests
1	Covered	T1,T4,T2
0	Covered	T1,T4,T2



89             if (!rst_dst_ni) begin
               -1-  
90               dst_level_q <= 1'b0;
                 ==>
91             end else begin
92               dst_level_q <= dst_level;
                 ==>

Branches:

-1-	Status	Tests
1	Covered	T1,T4,T2
0	Covered	T1,T4,T2

Assert Coverage for Instance : tb.dut.u_reg.u_pin_out_value_cdc.u_src_to_dst_req

	Total	Attempted	Percent	Succeeded/Matched	Percent
Assertions	2	2	100.00	2	100.00
Cover properties	0	0		0
Cover sequences	0	0		0
Total	2	2	100.00	2	100.00

Assertion Details

Name	Attempts	Real Successes	Failures	Incomplete
DstPulseCheck_A	5045782	3941	0	0
SrcPulseCheck_M	1237025007	4058	0	0

DstPulseCheck_A

Name	Attempts	Real Successes
Total	5045782	3941
T2	485	0
T3	1755	0
T4	510	20
T5	519	0
T12	450	0
T13	422	0
T14	761	0
T15	492	0
T16	670	0
T17	408	0
T25	0	24
T26	0	20
T77	0	20
T78	0	20
T79	0	20
T80	0	20
T81	0	20
T82	0	20
T83	0	20

SrcPulseCheck_M

Name	Attempts	Real Successes
Total	1237025007	4058
T2	118961	0
T3	117509	0
T4	30650	20
T5	211269	0
T12	51830	0
T13	211429	0
T14	91412	0
T15	243722	0
T16	160902	0
T17	32710	0
T25	0	25
T26	0	20
T77	0	20
T78	0	20
T79	0	20
T80	0	20
T81	0	20
T82	0	20
T83	0	20

Line Coverage for Instance : tb.dut.u_reg.u_pin_out_value_cdc.u_arb.gen_passthru.u_dst_to_src_ack

	Line No.	Total	Covered	Percent
TOTAL		7	7	100.00
ALWAYS	31	3	3	100.00
CONT_ASSIGN	49	0	0
CONT_ASSIGN	52	0	0
ALWAYS	55	0	0
ALWAYS	89	3	3	100.00
CONT_ASSIGN	97	1	1	100.00



30                        always_ff @(posedge clk_src_i or negedge rst_src_ni) begin
31         1/1              if (!rst_src_ni) begin
           Tests:       T1 T4 T2 
32         1/1                src_level <= 1'b0;
           Tests:       T1 T4 T2 
33                          end else begin
34         1/1                src_level <= src_level ^ src_pulse_i;
           Tests:       T1 T4 T2 
35                          end
36                        end
37                      
38                      
39                        // source active must come far enough such that the destination domain has time
40                        // to create a valid pulse.
41                      `ifdef INC_ASSERT
42                        //VCS coverage off
43                        // pragma coverage off
44                      
45                        // source active flag tracks whether there is an ongoing "toggle" event.
46                        // Until this toggle event is accepted by the destination domain (negative edge of
47                        // of the pulse output), the source side cannot toggle again.
48                        logic effective_rst_n;
49         unreachable    assign effective_rst_n = rst_src_ni && dst_pulse_o;
50                      
51                        logic src_active_flag_d, src_active_flag_q;
52         unreachable    assign src_active_flag_d = src_pulse_i || src_active_flag_q;
53                      
54                        always_ff @(posedge clk_src_i or negedge effective_rst_n) begin
55         unreachable      if (!effective_rst_n) begin
56         unreachable        src_active_flag_q <= '0;
57                          end else begin
58         unreachable        src_active_flag_q <= src_active_flag_d;
59                          end
60                        end
61                      
62                        //VCS coverage on
63                        // pragma coverage on
64                      
65                        `ASSERT(SrcPulseCheck_M, src_pulse_i |-> !src_active_flag_q, clk_src_i, !rst_src_ni)
66                      `endif
67                      
68                        //////////////////////////////////////////////////////////
69                        // synchronize level signal to destination clock domain //
70                        //////////////////////////////////////////////////////////
71                        logic dst_level;
72                      
73                        prim_flop_2sync #(.Width(1)) prim_flop_2sync (
74                          // source clock domain
75                          .d_i    (src_level),
76                          // destination clock domain
77                          .clk_i  (clk_dst_i),
78                          .rst_ni (rst_dst_ni),
79                          .q_o    (dst_level)
80                        );
81                      
82                        ////////////////////////////////////////
83                        // convert level signal back to pulse //
84                        ////////////////////////////////////////
85                        logic dst_level_q;
86                      
87                        // delay dst_level by 1 cycle
88                        always_ff @(posedge clk_dst_i or negedge rst_dst_ni) begin
89         1/1              if (!rst_dst_ni) begin
           Tests:       T1 T4 T2 
90         1/1                dst_level_q <= 1'b0;
           Tests:       T1 T4 T2 
91                          end else begin
92         1/1                dst_level_q <= dst_level;
           Tests:       T1 T4 T2 
93                          end
94                        end
95                      
96                        // edge detection
97         1/1            assign dst_pulse_o = dst_level_q ^ dst_level;
           Tests:       T1 T4 T2

Cond Coverage for Instance : tb.dut.u_reg.u_pin_out_value_cdc.u_arb.gen_passthru.u_dst_to_src_ack

	Total	Covered	Percent
Conditions	8	8	100.00
Logical	8	8	100.00
Non-Logical	0	0
Event	0	0

 LINE       34
 EXPRESSION (src_level ^ src_pulse_i)
             ----1----   -----2-----

-1-	-2-	Status	Tests
0	0	Covered	T1,T4,T2
0	1	Covered	T4,T26,T25
1	0	Covered	T4,T26,T25
1	1	Covered	T4,T26,T25

 LINE       97
 EXPRESSION (dst_level_q ^ dst_level)
             -----1-----   ----2----

-1-	-2-	Status	Tests
0	0	Covered	T1,T4,T2
0	1	Covered	T4,T26,T25
1	0	Covered	T4,T26,T25
1	1	Covered	T4,T26,T25

Branch Coverage for Instance : tb.dut.u_reg.u_pin_out_value_cdc.u_arb.gen_passthru.u_dst_to_src_ack

	Line No.	Total	Covered	Percent
Branches		4	4	100.00
IF	31	2	2	100.00
IF	89	2	2	100.00



31             if (!rst_src_ni) begin
               -1-  
32               src_level <= 1'b0;
                 ==>
33             end else begin
34               src_level <= src_level ^ src_pulse_i;
                 ==>

Branches:

-1-	Status	Tests
1	Covered	T1,T4,T2
0	Covered	T1,T4,T2



89             if (!rst_dst_ni) begin
               -1-  
90               dst_level_q <= 1'b0;
                 ==>
91             end else begin
92               dst_level_q <= dst_level;
                 ==>

Branches:

-1-	Status	Tests
1	Covered	T1,T4,T2
0	Covered	T1,T4,T2

Assert Coverage for Instance : tb.dut.u_reg.u_pin_out_value_cdc.u_arb.gen_passthru.u_dst_to_src_ack

	Total	Attempted	Percent	Succeeded/Matched	Percent
Assertions	2	2	100.00	2	100.00
Cover properties	0	0		0
Cover sequences	0	0		0
Total	2	2	100.00	2	100.00

Assertion Details

Name	Attempts	Real Successes	Failures	Incomplete
DstPulseCheck_A	1237025007	4050	0	0
SrcPulseCheck_M	5045782	4050	0	0

DstPulseCheck_A

Name	Attempts	Real Successes
Total	1237025007	4050
T2	118961	0
T3	117509	0
T4	30650	20
T5	211269	0
T12	51830	0
T13	211429	0
T14	91412	0
T15	243722	0
T16	160902	0
T17	32710	0
T25	0	24
T26	0	20
T77	0	20
T78	0	20
T79	0	20
T80	0	20
T81	0	20
T82	0	20
T83	0	20

SrcPulseCheck_M

Name	Attempts	Real Successes
Total	5045782	4050
T2	485	0
T3	1755	0
T4	510	20
T5	519	0
T12	450	0
T13	422	0
T14	761	0
T15	492	0
T16	670	0
T17	408	0
T25	0	24
T26	0	20
T77	0	20
T78	0	20
T79	0	20
T80	0	20
T81	0	20
T82	0	20
T83	0	20

Line Coverage for Instance : tb.dut.u_reg.u_key_intr_ctl_cdc.u_src_to_dst_req

	Line No.	Total	Covered	Percent
TOTAL		7	7	100.00
ALWAYS	31	3	3	100.00
CONT_ASSIGN	49	0	0
CONT_ASSIGN	52	0	0
ALWAYS	55	0	0
ALWAYS	89	3	3	100.00
CONT_ASSIGN	97	1	1	100.00



30                        always_ff @(posedge clk_src_i or negedge rst_src_ni) begin
31         1/1              if (!rst_src_ni) begin
           Tests:       T1 T4 T2 
32         1/1                src_level <= 1'b0;
           Tests:       T1 T4 T2 
33                          end else begin
34         1/1                src_level <= src_level ^ src_pulse_i;
           Tests:       T1 T4 T2 
35                          end
36                        end
37                      
38                      
39                        // source active must come far enough such that the destination domain has time
40                        // to create a valid pulse.
41                      `ifdef INC_ASSERT
42                        //VCS coverage off
43                        // pragma coverage off
44                      
45                        // source active flag tracks whether there is an ongoing "toggle" event.
46                        // Until this toggle event is accepted by the destination domain (negative edge of
47                        // of the pulse output), the source side cannot toggle again.
48                        logic effective_rst_n;
49         unreachable    assign effective_rst_n = rst_src_ni && dst_pulse_o;
50                      
51                        logic src_active_flag_d, src_active_flag_q;
52         unreachable    assign src_active_flag_d = src_pulse_i || src_active_flag_q;
53                      
54                        always_ff @(posedge clk_src_i or negedge effective_rst_n) begin
55         unreachable      if (!effective_rst_n) begin
56         unreachable        src_active_flag_q <= '0;
57                          end else begin
58         unreachable        src_active_flag_q <= src_active_flag_d;
59                          end
60                        end
61                      
62                        //VCS coverage on
63                        // pragma coverage on
64                      
65                        `ASSERT(SrcPulseCheck_M, src_pulse_i |-> !src_active_flag_q, clk_src_i, !rst_src_ni)
66                      `endif
67                      
68                        //////////////////////////////////////////////////////////
69                        // synchronize level signal to destination clock domain //
70                        //////////////////////////////////////////////////////////
71                        logic dst_level;
72                      
73                        prim_flop_2sync #(.Width(1)) prim_flop_2sync (
74                          // source clock domain
75                          .d_i    (src_level),
76                          // destination clock domain
77                          .clk_i  (clk_dst_i),
78                          .rst_ni (rst_dst_ni),
79                          .q_o    (dst_level)
80                        );
81                      
82                        ////////////////////////////////////////
83                        // convert level signal back to pulse //
84                        ////////////////////////////////////////
85                        logic dst_level_q;
86                      
87                        // delay dst_level by 1 cycle
88                        always_ff @(posedge clk_dst_i or negedge rst_dst_ni) begin
89         1/1              if (!rst_dst_ni) begin
           Tests:       T1 T4 T2 
90         1/1                dst_level_q <= 1'b0;
           Tests:       T1 T4 T2 
91                          end else begin
92         1/1                dst_level_q <= dst_level;
           Tests:       T1 T4 T2 
93                          end
94                        end
95                      
96                        // edge detection
97         1/1            assign dst_pulse_o = dst_level_q ^ dst_level;
           Tests:       T5 T9 T24

Cond Coverage for Instance : tb.dut.u_reg.u_key_intr_ctl_cdc.u_src_to_dst_req

	Total	Covered	Percent
Conditions	8	8	100.00
Logical	8	8	100.00
Non-Logical	0	0
Event	0	0

 LINE       34
 EXPRESSION (src_level ^ src_pulse_i)
             ----1----   -----2-----

-1-	-2-	Status	Tests
0	0	Covered	T1,T4,T2
0	1	Covered	T5,T9,T24
1	0	Covered	T5,T9,T24
1	1	Covered	T24,T30,T274

 LINE       97
 EXPRESSION (dst_level_q ^ dst_level)
             -----1-----   ----2----

-1-	-2-	Status	Tests
0	0	Covered	T1,T4,T2
0	1	Covered	T5,T9,T24
1	0	Covered	T24,T30,T274
1	1	Covered	T5,T9,T24

Branch Coverage for Instance : tb.dut.u_reg.u_key_intr_ctl_cdc.u_src_to_dst_req

	Line No.	Total	Covered	Percent
Branches		4	4	100.00
IF	31	2	2	100.00
IF	89	2	2	100.00



31             if (!rst_src_ni) begin
               -1-  
32               src_level <= 1'b0;
                 ==>
33             end else begin
34               src_level <= src_level ^ src_pulse_i;
                 ==>

Branches:

-1-	Status	Tests
1	Covered	T1,T4,T2
0	Covered	T1,T4,T2



89             if (!rst_dst_ni) begin
               -1-  
90               dst_level_q <= 1'b0;
                 ==>
91             end else begin
92               dst_level_q <= dst_level;
                 ==>

Branches:

-1-	Status	Tests
1	Covered	T1,T4,T2
0	Covered	T1,T4,T2

Assert Coverage for Instance : tb.dut.u_reg.u_key_intr_ctl_cdc.u_src_to_dst_req

	Total	Attempted	Percent	Succeeded/Matched	Percent
Assertions	2	2	100.00	2	100.00
Cover properties	0	0		0
Cover sequences	0	0		0
Total	2	2	100.00	2	100.00

Assertion Details

Name	Attempts	Real Successes	Failures	Incomplete
DstPulseCheck_A	5045782	955	0	0
SrcPulseCheck_M	1237025007	1061	0	0

DstPulseCheck_A

Name	Attempts	Real Successes
Total	5045782	955
T5	519	1
T6	3456	0
T7	1860	0
T8	518	0
T9	0	1
T10	0	1
T11	0	1
T24	0	28
T25	3498	0
T26	522	0
T30	0	28
T44	0	1
T45	0	1
T47	0	1
T50	0	1
T62	419	0
T63	422	0
T77	522	0
T78	503	0

SrcPulseCheck_M

Name	Attempts	Real Successes
Total	1237025007	1061
T5	211269	1
T6	91716	0
T7	120934	0
T8	23335	0
T9	0	1
T10	0	1
T11	0	1
T24	0	28
T25	104974	0
T26	250798	0
T30	0	28
T44	0	1
T45	0	1
T47	0	1
T50	0	1
T62	60938	0
T63	205116	0
T77	260847	0
T78	120737	0

Line Coverage for Instance : tb.dut.u_reg.u_key_intr_ctl_cdc.u_arb.gen_passthru.u_dst_to_src_ack

	Line No.	Total	Covered	Percent
TOTAL		7	7	100.00
ALWAYS	31	3	3	100.00
CONT_ASSIGN	49	0	0
CONT_ASSIGN	52	0	0
ALWAYS	55	0	0
ALWAYS	89	3	3	100.00
CONT_ASSIGN	97	1	1	100.00



30                        always_ff @(posedge clk_src_i or negedge rst_src_ni) begin
31         1/1              if (!rst_src_ni) begin
           Tests:       T1 T4 T2 
32         1/1                src_level <= 1'b0;
           Tests:       T1 T4 T2 
33                          end else begin
34         1/1                src_level <= src_level ^ src_pulse_i;
           Tests:       T1 T4 T2 
35                          end
36                        end
37                      
38                      
39                        // source active must come far enough such that the destination domain has time
40                        // to create a valid pulse.
41                      `ifdef INC_ASSERT
42                        //VCS coverage off
43                        // pragma coverage off
44                      
45                        // source active flag tracks whether there is an ongoing "toggle" event.
46                        // Until this toggle event is accepted by the destination domain (negative edge of
47                        // of the pulse output), the source side cannot toggle again.
48                        logic effective_rst_n;
49         unreachable    assign effective_rst_n = rst_src_ni && dst_pulse_o;
50                      
51                        logic src_active_flag_d, src_active_flag_q;
52         unreachable    assign src_active_flag_d = src_pulse_i || src_active_flag_q;
53                      
54                        always_ff @(posedge clk_src_i or negedge effective_rst_n) begin
55         unreachable      if (!effective_rst_n) begin
56         unreachable        src_active_flag_q <= '0;
57                          end else begin
58         unreachable        src_active_flag_q <= src_active_flag_d;
59                          end
60                        end
61                      
62                        //VCS coverage on
63                        // pragma coverage on
64                      
65                        `ASSERT(SrcPulseCheck_M, src_pulse_i |-> !src_active_flag_q, clk_src_i, !rst_src_ni)
66                      `endif
67                      
68                        //////////////////////////////////////////////////////////
69                        // synchronize level signal to destination clock domain //
70                        //////////////////////////////////////////////////////////
71                        logic dst_level;
72                      
73                        prim_flop_2sync #(.Width(1)) prim_flop_2sync (
74                          // source clock domain
75                          .d_i    (src_level),
76                          // destination clock domain
77                          .clk_i  (clk_dst_i),
78                          .rst_ni (rst_dst_ni),
79                          .q_o    (dst_level)
80                        );
81                      
82                        ////////////////////////////////////////
83                        // convert level signal back to pulse //
84                        ////////////////////////////////////////
85                        logic dst_level_q;
86                      
87                        // delay dst_level by 1 cycle
88                        always_ff @(posedge clk_dst_i or negedge rst_dst_ni) begin
89         1/1              if (!rst_dst_ni) begin
           Tests:       T1 T4 T2 
90         1/1                dst_level_q <= 1'b0;
           Tests:       T1 T4 T2 
91                          end else begin
92         1/1                dst_level_q <= dst_level;
           Tests:       T1 T4 T2 
93                          end
94                        end
95                      
96                        // edge detection
97         1/1            assign dst_pulse_o = dst_level_q ^ dst_level;
           Tests:       T1 T4 T2

Cond Coverage for Instance : tb.dut.u_reg.u_key_intr_ctl_cdc.u_arb.gen_passthru.u_dst_to_src_ack

	Total	Covered	Percent
Conditions	8	8	100.00
Logical	8	8	100.00
Non-Logical	0	0
Event	0	0

 LINE       34
 EXPRESSION (src_level ^ src_pulse_i)
             ----1----   -----2-----

-1-	-2-	Status	Tests
0	0	Covered	T1,T4,T2
0	1	Covered	T5,T9,T24
1	0	Covered	T5,T9,T24
1	1	Covered	T24,T30,T274

 LINE       97
 EXPRESSION (dst_level_q ^ dst_level)
             -----1-----   ----2----

-1-	-2-	Status	Tests
0	0	Covered	T1,T4,T2
0	1	Covered	T5,T9,T24
1	0	Covered	T24,T30,T274
1	1	Covered	T5,T9,T24

Branch Coverage for Instance : tb.dut.u_reg.u_key_intr_ctl_cdc.u_arb.gen_passthru.u_dst_to_src_ack

	Line No.	Total	Covered	Percent
Branches		4	4	100.00
IF	31	2	2	100.00
IF	89	2	2	100.00



31             if (!rst_src_ni) begin
               -1-  
32               src_level <= 1'b0;
                 ==>
33             end else begin
34               src_level <= src_level ^ src_pulse_i;
                 ==>

Branches:

-1-	Status	Tests
1	Covered	T1,T4,T2
0	Covered	T1,T4,T2



89             if (!rst_dst_ni) begin
               -1-  
90               dst_level_q <= 1'b0;
                 ==>
91             end else begin
92               dst_level_q <= dst_level;
                 ==>

Branches:

-1-	Status	Tests
1	Covered	T1,T4,T2
0	Covered	T1,T4,T2

Assert Coverage for Instance : tb.dut.u_reg.u_key_intr_ctl_cdc.u_arb.gen_passthru.u_dst_to_src_ack

	Total	Attempted	Percent	Succeeded/Matched	Percent
Assertions	2	2	100.00	2	100.00
Cover properties	0	0		0
Cover sequences	0	0		0
Total	2	2	100.00	2	100.00

Assertion Details

Name	Attempts	Real Successes	Failures	Incomplete
DstPulseCheck_A	1237025007	1055	0	0
SrcPulseCheck_M	5045782	1055	0	0

DstPulseCheck_A

Name	Attempts	Real Successes
Total	1237025007	1055
T5	211269	1
T6	91716	0
T7	120934	0
T8	23335	0
T9	0	1
T10	0	1
T11	0	1
T24	0	28
T25	104974	0
T26	250798	0
T30	0	28
T44	0	1
T45	0	1
T47	0	1
T50	0	1
T62	60938	0
T63	205116	0
T77	260847	0
T78	120737	0

SrcPulseCheck_M

Name	Attempts	Real Successes
Total	5045782	1055
T5	519	1
T6	3456	0
T7	1860	0
T8	518	0
T9	0	1
T10	0	1
T11	0	1
T24	0	28
T25	3498	0
T26	522	0
T30	0	28
T44	0	1
T45	0	1
T47	0	1
T50	0	1
T62	419	0
T63	422	0
T77	522	0
T78	503	0

Line Coverage for Instance : tb.dut.u_reg.u_key_intr_debounce_ctl_cdc.u_src_to_dst_req

	Line No.	Total	Covered	Percent
TOTAL		7	7	100.00
ALWAYS	31	3	3	100.00
CONT_ASSIGN	49	0	0
CONT_ASSIGN	52	0	0
ALWAYS	55	0	0
ALWAYS	89	3	3	100.00
CONT_ASSIGN	97	1	1	100.00



30                        always_ff @(posedge clk_src_i or negedge rst_src_ni) begin
31         1/1              if (!rst_src_ni) begin
           Tests:       T1 T4 T2 
32         1/1                src_level <= 1'b0;
           Tests:       T1 T4 T2 
33                          end else begin
34         1/1                src_level <= src_level ^ src_pulse_i;
           Tests:       T1 T4 T2 
35                          end
36                        end
37                      
38                      
39                        // source active must come far enough such that the destination domain has time
40                        // to create a valid pulse.
41                      `ifdef INC_ASSERT
42                        //VCS coverage off
43                        // pragma coverage off
44                      
45                        // source active flag tracks whether there is an ongoing "toggle" event.
46                        // Until this toggle event is accepted by the destination domain (negative edge of
47                        // of the pulse output), the source side cannot toggle again.
48                        logic effective_rst_n;
49         unreachable    assign effective_rst_n = rst_src_ni && dst_pulse_o;
50                      
51                        logic src_active_flag_d, src_active_flag_q;
52         unreachable    assign src_active_flag_d = src_pulse_i || src_active_flag_q;
53                      
54                        always_ff @(posedge clk_src_i or negedge effective_rst_n) begin
55         unreachable      if (!effective_rst_n) begin
56         unreachable        src_active_flag_q <= '0;
57                          end else begin
58         unreachable        src_active_flag_q <= src_active_flag_d;
59                          end
60                        end
61                      
62                        //VCS coverage on
63                        // pragma coverage on
64                      
65                        `ASSERT(SrcPulseCheck_M, src_pulse_i |-> !src_active_flag_q, clk_src_i, !rst_src_ni)
66                      `endif
67                      
68                        //////////////////////////////////////////////////////////
69                        // synchronize level signal to destination clock domain //
70                        //////////////////////////////////////////////////////////
71                        logic dst_level;
72                      
73                        prim_flop_2sync #(.Width(1)) prim_flop_2sync (
74                          // source clock domain
75                          .d_i    (src_level),
76                          // destination clock domain
77                          .clk_i  (clk_dst_i),
78                          .rst_ni (rst_dst_ni),
79                          .q_o    (dst_level)
80                        );
81                      
82                        ////////////////////////////////////////
83                        // convert level signal back to pulse //
84                        ////////////////////////////////////////
85                        logic dst_level_q;
86                      
87                        // delay dst_level by 1 cycle
88                        always_ff @(posedge clk_dst_i or negedge rst_dst_ni) begin
89         1/1              if (!rst_dst_ni) begin
           Tests:       T1 T4 T2 
90         1/1                dst_level_q <= 1'b0;
           Tests:       T1 T4 T2 
91                          end else begin
92         1/1                dst_level_q <= dst_level;
           Tests:       T1 T4 T2 
93                          end
94                        end
95                      
96                        // edge detection
97         1/1            assign dst_pulse_o = dst_level_q ^ dst_level;
           Tests:       T1 T2 T5

Cond Coverage for Instance : tb.dut.u_reg.u_key_intr_debounce_ctl_cdc.u_src_to_dst_req

	Total	Covered	Percent
Conditions	8	8	100.00
Logical	8	8	100.00
Non-Logical	0	0
Event	0	0

 LINE       34
 EXPRESSION (src_level ^ src_pulse_i)
             ----1----   -----2-----

-1-	-2-	Status	Tests
0	0	Covered	T1,T4,T2
0	1	Covered	T1,T2,T5
1	0	Covered	T1,T2,T5
1	1	Covered	T24,T30,T274

 LINE       97
 EXPRESSION (dst_level_q ^ dst_level)
             -----1-----   ----2----

-1-	-2-	Status	Tests
0	0	Covered	T1,T4,T2
0	1	Covered	T1,T2,T5
1	0	Covered	T24,T30,T274
1	1	Covered	T1,T2,T5

Branch Coverage for Instance : tb.dut.u_reg.u_key_intr_debounce_ctl_cdc.u_src_to_dst_req

	Line No.	Total	Covered	Percent
Branches		4	4	100.00
IF	31	2	2	100.00
IF	89	2	2	100.00



31             if (!rst_src_ni) begin
               -1-  
32               src_level <= 1'b0;
                 ==>
33             end else begin
34               src_level <= src_level ^ src_pulse_i;
                 ==>

Branches:

-1-	Status	Tests
1	Covered	T1,T4,T2
0	Covered	T1,T4,T2



89             if (!rst_dst_ni) begin
               -1-  
90               dst_level_q <= 1'b0;
                 ==>
91             end else begin
92               dst_level_q <= dst_level;
                 ==>

Branches:

-1-	Status	Tests
1	Covered	T1,T4,T2
0	Covered	T1,T4,T2

Assert Coverage for Instance : tb.dut.u_reg.u_key_intr_debounce_ctl_cdc.u_src_to_dst_req

	Total	Attempted	Percent	Succeeded/Matched	Percent
Assertions	2	2	100.00	2	100.00
Cover properties	0	0		0
Cover sequences	0	0		0
Total	2	2	100.00	2	100.00

Assertion Details

Name	Attempts	Real Successes	Failures	Incomplete
DstPulseCheck_A	5045782	1705	0	0
SrcPulseCheck_M	1237025007	1812	0	0

DstPulseCheck_A

Name	Attempts	Real Successes
Total	5045782	1705
T1	509	1
T2	485	1
T3	1755	0
T4	510	0
T5	0	1
T7	0	1
T8	0	1
T9	0	1
T12	450	0
T13	422	0
T14	761	0
T15	492	0
T16	670	0
T17	408	0
T24	0	2
T29	0	1
T53	0	1
T54	0	1

SrcPulseCheck_M

Name	Attempts	Real Successes
Total	1237025007	1812
T1	63618	1
T2	118961	1
T3	117509	0
T4	30650	0
T5	0	1
T7	0	1
T8	0	1
T9	0	1
T12	51830	0
T13	211429	0
T14	91412	0
T15	243722	0
T16	160902	0
T17	32710	0
T24	0	2
T29	0	1
T53	0	1
T54	0	1

Line Coverage for Instance : tb.dut.u_reg.u_key_intr_debounce_ctl_cdc.u_arb.gen_passthru.u_dst_to_src_ack

	Line No.	Total	Covered	Percent
TOTAL		7	7	100.00
ALWAYS	31	3	3	100.00
CONT_ASSIGN	49	0	0
CONT_ASSIGN	52	0	0
ALWAYS	55	0	0
ALWAYS	89	3	3	100.00
CONT_ASSIGN	97	1	1	100.00



30                        always_ff @(posedge clk_src_i or negedge rst_src_ni) begin
31         1/1              if (!rst_src_ni) begin
           Tests:       T1 T4 T2 
32         1/1                src_level <= 1'b0;
           Tests:       T1 T4 T2 
33                          end else begin
34         1/1                src_level <= src_level ^ src_pulse_i;
           Tests:       T1 T4 T2 
35                          end
36                        end
37                      
38                      
39                        // source active must come far enough such that the destination domain has time
40                        // to create a valid pulse.
41                      `ifdef INC_ASSERT
42                        //VCS coverage off
43                        // pragma coverage off
44                      
45                        // source active flag tracks whether there is an ongoing "toggle" event.
46                        // Until this toggle event is accepted by the destination domain (negative edge of
47                        // of the pulse output), the source side cannot toggle again.
48                        logic effective_rst_n;
49         unreachable    assign effective_rst_n = rst_src_ni && dst_pulse_o;
50                      
51                        logic src_active_flag_d, src_active_flag_q;
52         unreachable    assign src_active_flag_d = src_pulse_i || src_active_flag_q;
53                      
54                        always_ff @(posedge clk_src_i or negedge effective_rst_n) begin
55         unreachable      if (!effective_rst_n) begin
56         unreachable        src_active_flag_q <= '0;
57                          end else begin
58         unreachable        src_active_flag_q <= src_active_flag_d;
59                          end
60                        end
61                      
62                        //VCS coverage on
63                        // pragma coverage on
64                      
65                        `ASSERT(SrcPulseCheck_M, src_pulse_i |-> !src_active_flag_q, clk_src_i, !rst_src_ni)
66                      `endif
67                      
68                        //////////////////////////////////////////////////////////
69                        // synchronize level signal to destination clock domain //
70                        //////////////////////////////////////////////////////////
71                        logic dst_level;
72                      
73                        prim_flop_2sync #(.Width(1)) prim_flop_2sync (
74                          // source clock domain
75                          .d_i    (src_level),
76                          // destination clock domain
77                          .clk_i  (clk_dst_i),
78                          .rst_ni (rst_dst_ni),
79                          .q_o    (dst_level)
80                        );
81                      
82                        ////////////////////////////////////////
83                        // convert level signal back to pulse //
84                        ////////////////////////////////////////
85                        logic dst_level_q;
86                      
87                        // delay dst_level by 1 cycle
88                        always_ff @(posedge clk_dst_i or negedge rst_dst_ni) begin
89         1/1              if (!rst_dst_ni) begin
           Tests:       T1 T4 T2 
90         1/1                dst_level_q <= 1'b0;
           Tests:       T1 T4 T2 
91                          end else begin
92         1/1                dst_level_q <= dst_level;
           Tests:       T1 T4 T2 
93                          end
94                        end
95                      
96                        // edge detection
97         1/1            assign dst_pulse_o = dst_level_q ^ dst_level;
           Tests:       T1 T4 T2

Cond Coverage for Instance : tb.dut.u_reg.u_key_intr_debounce_ctl_cdc.u_arb.gen_passthru.u_dst_to_src_ack

	Total	Covered	Percent
Conditions	8	8	100.00
Logical	8	8	100.00
Non-Logical	0	0
Event	0	0

 LINE       34
 EXPRESSION (src_level ^ src_pulse_i)
             ----1----   -----2-----

-1-	-2-	Status	Tests
0	0	Covered	T1,T4,T2
0	1	Covered	T1,T2,T5
1	0	Covered	T1,T2,T5
1	1	Covered	T24,T30,T274

 LINE       97
 EXPRESSION (dst_level_q ^ dst_level)
             -----1-----   ----2----

-1-	-2-	Status	Tests
0	0	Covered	T1,T4,T2
0	1	Covered	T1,T2,T5
1	0	Covered	T24,T30,T274
1	1	Covered	T1,T2,T5

Branch Coverage for Instance : tb.dut.u_reg.u_key_intr_debounce_ctl_cdc.u_arb.gen_passthru.u_dst_to_src_ack

	Line No.	Total	Covered	Percent
Branches		4	4	100.00
IF	31	2	2	100.00
IF	89	2	2	100.00



31             if (!rst_src_ni) begin
               -1-  
32               src_level <= 1'b0;
                 ==>
33             end else begin
34               src_level <= src_level ^ src_pulse_i;
                 ==>

Branches:

-1-	Status	Tests
1	Covered	T1,T4,T2
0	Covered	T1,T4,T2



89             if (!rst_dst_ni) begin
               -1-  
90               dst_level_q <= 1'b0;
                 ==>
91             end else begin
92               dst_level_q <= dst_level;
                 ==>

Branches:

-1-	Status	Tests
1	Covered	T1,T4,T2
0	Covered	T1,T4,T2

Assert Coverage for Instance : tb.dut.u_reg.u_key_intr_debounce_ctl_cdc.u_arb.gen_passthru.u_dst_to_src_ack

	Total	Attempted	Percent	Succeeded/Matched	Percent
Assertions	2	2	100.00	2	100.00
Cover properties	0	0		0
Cover sequences	0	0		0
Total	2	2	100.00	2	100.00

Assertion Details

Name	Attempts	Real Successes	Failures	Incomplete
DstPulseCheck_A	1237025007	1806	0	0
SrcPulseCheck_M	5045782	1806	0	0

DstPulseCheck_A

Name	Attempts	Real Successes
Total	1237025007	1806
T1	63618	1
T2	118961	1
T3	117509	0
T4	30650	0
T5	0	1
T7	0	1
T8	0	1
T9	0	1
T12	51830	0
T13	211429	0
T14	91412	0
T15	243722	0
T16	160902	0
T17	32710	0
T24	0	2
T29	0	1
T53	0	1
T54	0	1

SrcPulseCheck_M

Name	Attempts	Real Successes
Total	5045782	1806
T1	509	1
T2	485	1
T3	1755	0
T4	510	0
T5	0	1
T7	0	1
T8	0	1
T9	0	1
T12	450	0
T13	422	0
T14	761	0
T15	492	0
T16	670	0
T17	408	0
T24	0	2
T29	0	1
T53	0	1
T54	0	1

Line Coverage for Instance : tb.dut.u_reg.u_auto_block_debounce_ctl_cdc.u_src_to_dst_req

	Line No.	Total	Covered	Percent
TOTAL		7	7	100.00
ALWAYS	31	3	3	100.00
CONT_ASSIGN	49	0	0
CONT_ASSIGN	52	0	0
ALWAYS	55	0	0
ALWAYS	89	3	3	100.00
CONT_ASSIGN	97	1	1	100.00



30                        always_ff @(posedge clk_src_i or negedge rst_src_ni) begin
31         1/1              if (!rst_src_ni) begin
           Tests:       T1 T4 T2 
32         1/1                src_level <= 1'b0;
           Tests:       T1 T4 T2 
33                          end else begin
34         1/1                src_level <= src_level ^ src_pulse_i;
           Tests:       T1 T4 T2 
35                          end
36                        end
37                      
38                      
39                        // source active must come far enough such that the destination domain has time
40                        // to create a valid pulse.
41                      `ifdef INC_ASSERT
42                        //VCS coverage off
43                        // pragma coverage off
44                      
45                        // source active flag tracks whether there is an ongoing "toggle" event.
46                        // Until this toggle event is accepted by the destination domain (negative edge of
47                        // of the pulse output), the source side cannot toggle again.
48                        logic effective_rst_n;
49         unreachable    assign effective_rst_n = rst_src_ni && dst_pulse_o;
50                      
51                        logic src_active_flag_d, src_active_flag_q;
52         unreachable    assign src_active_flag_d = src_pulse_i || src_active_flag_q;
53                      
54                        always_ff @(posedge clk_src_i or negedge effective_rst_n) begin
55         unreachable      if (!effective_rst_n) begin
56         unreachable        src_active_flag_q <= '0;
57                          end else begin
58         unreachable        src_active_flag_q <= src_active_flag_d;
59                          end
60                        end
61                      
62                        //VCS coverage on
63                        // pragma coverage on
64                      
65                        `ASSERT(SrcPulseCheck_M, src_pulse_i |-> !src_active_flag_q, clk_src_i, !rst_src_ni)
66                      `endif
67                      
68                        //////////////////////////////////////////////////////////
69                        // synchronize level signal to destination clock domain //
70                        //////////////////////////////////////////////////////////
71                        logic dst_level;
72                      
73                        prim_flop_2sync #(.Width(1)) prim_flop_2sync (
74                          // source clock domain
75                          .d_i    (src_level),
76                          // destination clock domain
77                          .clk_i  (clk_dst_i),
78                          .rst_ni (rst_dst_ni),
79                          .q_o    (dst_level)
80                        );
81                      
82                        ////////////////////////////////////////
83                        // convert level signal back to pulse //
84                        ////////////////////////////////////////
85                        logic dst_level_q;
86                      
87                        // delay dst_level by 1 cycle
88                        always_ff @(posedge clk_dst_i or negedge rst_dst_ni) begin
89         1/1              if (!rst_dst_ni) begin
           Tests:       T1 T4 T2 
90         1/1                dst_level_q <= 1'b0;
           Tests:       T1 T4 T2 
91                          end else begin
92         1/1                dst_level_q <= dst_level;
           Tests:       T1 T4 T2 
93                          end
94                        end
95                      
96                        // edge detection
97         1/1            assign dst_pulse_o = dst_level_q ^ dst_level;
           Tests:       T16 T27 T28

Cond Coverage for Instance : tb.dut.u_reg.u_auto_block_debounce_ctl_cdc.u_src_to_dst_req

	Total	Covered	Percent
Conditions	8	8	100.00
Logical	8	8	100.00
Non-Logical	0	0
Event	0	0

 LINE       34
 EXPRESSION (src_level ^ src_pulse_i)
             ----1----   -----2-----

-1-	-2-	Status	Tests
0	0	Covered	T1,T4,T2
0	1	Covered	T16,T27,T28
1	0	Covered	T16,T27,T28
1	1	Covered	T16,T27,T28

 LINE       97
 EXPRESSION (dst_level_q ^ dst_level)
             -----1-----   ----2----

-1-	-2-	Status	Tests
0	0	Covered	T1,T4,T2
0	1	Covered	T16,T27,T28
1	0	Covered	T16,T27,T28
1	1	Covered	T16,T27,T28

Branch Coverage for Instance : tb.dut.u_reg.u_auto_block_debounce_ctl_cdc.u_src_to_dst_req

	Line No.	Total	Covered	Percent
Branches		4	4	100.00
IF	31	2	2	100.00
IF	89	2	2	100.00



31             if (!rst_src_ni) begin
               -1-  
32               src_level <= 1'b0;
                 ==>
33             end else begin
34               src_level <= src_level ^ src_pulse_i;
                 ==>

Branches:

-1-	Status	Tests
1	Covered	T1,T4,T2
0	Covered	T1,T4,T2



89             if (!rst_dst_ni) begin
               -1-  
90               dst_level_q <= 1'b0;
                 ==>
91             end else begin
92               dst_level_q <= dst_level;
                 ==>

Branches:

-1-	Status	Tests
1	Covered	T1,T4,T2
0	Covered	T1,T4,T2

Assert Coverage for Instance : tb.dut.u_reg.u_auto_block_debounce_ctl_cdc.u_src_to_dst_req

	Total	Attempted	Percent	Succeeded/Matched	Percent
Assertions	2	2	100.00	2	100.00
Cover properties	0	0		0
Cover sequences	0	0		0
Total	2	2	100.00	2	100.00

Assertion Details

Name	Attempts	Real Successes	Failures	Incomplete
DstPulseCheck_A	5045782	1090	0	0
SrcPulseCheck_M	1237025007	1196	0	0

DstPulseCheck_A

Name	Attempts	Real Successes
Total	5045782	1090
T5	519	0
T6	3456	0
T7	1860	0
T8	518	0
T16	670	3
T17	408	0
T24	0	2
T25	3498	0
T26	522	0
T27	0	4
T28	0	4
T30	0	2
T56	0	5
T58	0	1
T59	0	3
T60	0	4
T61	0	5
T62	419	0
T63	422	0

SrcPulseCheck_M

Name	Attempts	Real Successes
Total	1237025007	1196
T5	211269	0
T6	91716	0
T7	120934	0
T8	23335	0
T16	160902	3
T17	32710	0
T24	0	2
T25	104974	0
T26	250798	0
T27	0	4
T28	0	4
T30	0	2
T56	0	5
T58	0	1
T59	0	3
T60	0	4
T61	0	5
T62	60938	0
T63	205116	0

Line Coverage for Instance : tb.dut.u_reg.u_auto_block_debounce_ctl_cdc.u_arb.gen_passthru.u_dst_to_src_ack

	Line No.	Total	Covered	Percent
TOTAL		7	7	100.00
ALWAYS	31	3	3	100.00
CONT_ASSIGN	49	0	0
CONT_ASSIGN	52	0	0
ALWAYS	55	0	0
ALWAYS	89	3	3	100.00
CONT_ASSIGN	97	1	1	100.00



30                        always_ff @(posedge clk_src_i or negedge rst_src_ni) begin
31         1/1              if (!rst_src_ni) begin
           Tests:       T1 T4 T2 
32         1/1                src_level <= 1'b0;
           Tests:       T1 T4 T2 
33                          end else begin
34         1/1                src_level <= src_level ^ src_pulse_i;
           Tests:       T1 T4 T2 
35                          end
36                        end
37                      
38                      
39                        // source active must come far enough such that the destination domain has time
40                        // to create a valid pulse.
41                      `ifdef INC_ASSERT
42                        //VCS coverage off
43                        // pragma coverage off
44                      
45                        // source active flag tracks whether there is an ongoing "toggle" event.
46                        // Until this toggle event is accepted by the destination domain (negative edge of
47                        // of the pulse output), the source side cannot toggle again.
48                        logic effective_rst_n;
49         unreachable    assign effective_rst_n = rst_src_ni && dst_pulse_o;
50                      
51                        logic src_active_flag_d, src_active_flag_q;
52         unreachable    assign src_active_flag_d = src_pulse_i || src_active_flag_q;
53                      
54                        always_ff @(posedge clk_src_i or negedge effective_rst_n) begin
55         unreachable      if (!effective_rst_n) begin
56         unreachable        src_active_flag_q <= '0;
57                          end else begin
58         unreachable        src_active_flag_q <= src_active_flag_d;
59                          end
60                        end
61                      
62                        //VCS coverage on
63                        // pragma coverage on
64                      
65                        `ASSERT(SrcPulseCheck_M, src_pulse_i |-> !src_active_flag_q, clk_src_i, !rst_src_ni)
66                      `endif
67                      
68                        //////////////////////////////////////////////////////////
69                        // synchronize level signal to destination clock domain //
70                        //////////////////////////////////////////////////////////
71                        logic dst_level;
72                      
73                        prim_flop_2sync #(.Width(1)) prim_flop_2sync (
74                          // source clock domain
75                          .d_i    (src_level),
76                          // destination clock domain
77                          .clk_i  (clk_dst_i),
78                          .rst_ni (rst_dst_ni),
79                          .q_o    (dst_level)
80                        );
81                      
82                        ////////////////////////////////////////
83                        // convert level signal back to pulse //
84                        ////////////////////////////////////////
85                        logic dst_level_q;
86                      
87                        // delay dst_level by 1 cycle
88                        always_ff @(posedge clk_dst_i or negedge rst_dst_ni) begin
89         1/1              if (!rst_dst_ni) begin
           Tests:       T1 T4 T2 
90         1/1                dst_level_q <= 1'b0;
           Tests:       T1 T4 T2 
91                          end else begin
92         1/1                dst_level_q <= dst_level;
           Tests:       T1 T4 T2 
93                          end
94                        end
95                      
96                        // edge detection
97         1/1            assign dst_pulse_o = dst_level_q ^ dst_level;
           Tests:       T1 T4 T2

Cond Coverage for Instance : tb.dut.u_reg.u_auto_block_debounce_ctl_cdc.u_arb.gen_passthru.u_dst_to_src_ack

	Total	Covered	Percent
Conditions	8	8	100.00
Logical	8	8	100.00
Non-Logical	0	0
Event	0	0

 LINE       34
 EXPRESSION (src_level ^ src_pulse_i)
             ----1----   -----2-----

-1-	-2-	Status	Tests
0	0	Covered	T1,T4,T2
0	1	Covered	T16,T27,T28
1	0	Covered	T16,T27,T28
1	1	Covered	T16,T27,T28

 LINE       97
 EXPRESSION (dst_level_q ^ dst_level)
             -----1-----   ----2----

-1-	-2-	Status	Tests
0	0	Covered	T1,T4,T2
0	1	Covered	T16,T27,T28
1	0	Covered	T16,T27,T28
1	1	Covered	T16,T27,T28

Branch Coverage for Instance : tb.dut.u_reg.u_auto_block_debounce_ctl_cdc.u_arb.gen_passthru.u_dst_to_src_ack

	Line No.	Total	Covered	Percent
Branches		4	4	100.00
IF	31	2	2	100.00
IF	89	2	2	100.00



31             if (!rst_src_ni) begin
               -1-  
32               src_level <= 1'b0;
                 ==>
33             end else begin
34               src_level <= src_level ^ src_pulse_i;
                 ==>

Branches:

-1-	Status	Tests
1	Covered	T1,T4,T2
0	Covered	T1,T4,T2



89             if (!rst_dst_ni) begin
               -1-  
90               dst_level_q <= 1'b0;
                 ==>
91             end else begin
92               dst_level_q <= dst_level;
                 ==>

Branches:

-1-	Status	Tests
1	Covered	T1,T4,T2
0	Covered	T1,T4,T2

Assert Coverage for Instance : tb.dut.u_reg.u_auto_block_debounce_ctl_cdc.u_arb.gen_passthru.u_dst_to_src_ack

	Total	Attempted	Percent	Succeeded/Matched	Percent
Assertions	2	2	100.00	2	100.00
Cover properties	0	0		0
Cover sequences	0	0		0
Total	2	2	100.00	2	100.00

Assertion Details

Name	Attempts	Real Successes	Failures	Incomplete
DstPulseCheck_A	1237025007	1190	0	0
SrcPulseCheck_M	5045782	1190	0	0

DstPulseCheck_A

Name	Attempts	Real Successes
Total	1237025007	1190
T5	211269	0
T6	91716	0
T7	120934	0
T8	23335	0
T16	160902	3
T17	32710	0
T24	0	2
T25	104974	0
T26	250798	0
T27	0	4
T28	0	4
T30	0	2
T56	0	5
T58	0	1
T59	0	3
T60	0	4
T61	0	5
T62	60938	0
T63	205116	0

SrcPulseCheck_M

Name	Attempts	Real Successes
Total	5045782	1190
T5	519	0
T6	3456	0
T7	1860	0
T8	518	0
T16	670	3
T17	408	0
T24	0	2
T25	3498	0
T26	522	0
T27	0	4
T28	0	4
T30	0	2
T56	0	5
T58	0	1
T59	0	3
T60	0	4
T61	0	5
T62	419	0
T63	422	0

Line Coverage for Instance : tb.dut.u_reg.u_auto_block_out_ctl_cdc.u_src_to_dst_req

	Line No.	Total	Covered	Percent
TOTAL		7	7	100.00
ALWAYS	31	3	3	100.00
CONT_ASSIGN	49	0	0
CONT_ASSIGN	52	0	0
ALWAYS	55	0	0
ALWAYS	89	3	3	100.00
CONT_ASSIGN	97	1	1	100.00



30                        always_ff @(posedge clk_src_i or negedge rst_src_ni) begin
31         1/1              if (!rst_src_ni) begin
           Tests:       T1 T4 T2 
32         1/1                src_level <= 1'b0;
           Tests:       T1 T4 T2 
33                          end else begin
34         1/1                src_level <= src_level ^ src_pulse_i;
           Tests:       T1 T4 T2 
35                          end
36                        end
37                      
38                      
39                        // source active must come far enough such that the destination domain has time
40                        // to create a valid pulse.
41                      `ifdef INC_ASSERT
42                        //VCS coverage off
43                        // pragma coverage off
44                      
45                        // source active flag tracks whether there is an ongoing "toggle" event.
46                        // Until this toggle event is accepted by the destination domain (negative edge of
47                        // of the pulse output), the source side cannot toggle again.
48                        logic effective_rst_n;
49         unreachable    assign effective_rst_n = rst_src_ni && dst_pulse_o;
50                      
51                        logic src_active_flag_d, src_active_flag_q;
52         unreachable    assign src_active_flag_d = src_pulse_i || src_active_flag_q;
53                      
54                        always_ff @(posedge clk_src_i or negedge effective_rst_n) begin
55         unreachable      if (!effective_rst_n) begin
56         unreachable        src_active_flag_q <= '0;
57                          end else begin
58         unreachable        src_active_flag_q <= src_active_flag_d;
59                          end
60                        end
61                      
62                        //VCS coverage on
63                        // pragma coverage on
64                      
65                        `ASSERT(SrcPulseCheck_M, src_pulse_i |-> !src_active_flag_q, clk_src_i, !rst_src_ni)
66                      `endif
67                      
68                        //////////////////////////////////////////////////////////
69                        // synchronize level signal to destination clock domain //
70                        //////////////////////////////////////////////////////////
71                        logic dst_level;
72                      
73                        prim_flop_2sync #(.Width(1)) prim_flop_2sync (
74                          // source clock domain
75                          .d_i    (src_level),
76                          // destination clock domain
77                          .clk_i  (clk_dst_i),
78                          .rst_ni (rst_dst_ni),
79                          .q_o    (dst_level)
80                        );
81                      
82                        ////////////////////////////////////////
83                        // convert level signal back to pulse //
84                        ////////////////////////////////////////
85                        logic dst_level_q;
86                      
87                        // delay dst_level by 1 cycle
88                        always_ff @(posedge clk_dst_i or negedge rst_dst_ni) begin
89         1/1              if (!rst_dst_ni) begin
           Tests:       T1 T4 T2 
90         1/1                dst_level_q <= 1'b0;
           Tests:       T1 T4 T2 
91                          end else begin
92         1/1                dst_level_q <= dst_level;
           Tests:       T1 T4 T2 
93                          end
94                        end
95                      
96                        // edge detection
97         1/1            assign dst_pulse_o = dst_level_q ^ dst_level;
           Tests:       T16 T27 T28

Cond Coverage for Instance : tb.dut.u_reg.u_auto_block_out_ctl_cdc.u_src_to_dst_req

	Total	Covered	Percent
Conditions	8	8	100.00
Logical	8	8	100.00
Non-Logical	0	0
Event	0	0

 LINE       34
 EXPRESSION (src_level ^ src_pulse_i)
             ----1----   -----2-----

-1-	-2-	Status	Tests
0	0	Covered	T1,T4,T2
0	1	Covered	T16,T27,T28
1	0	Covered	T16,T27,T28
1	1	Covered	T16,T27,T28

 LINE       97
 EXPRESSION (dst_level_q ^ dst_level)
             -----1-----   ----2----

-1-	-2-	Status	Tests
0	0	Covered	T1,T4,T2
0	1	Covered	T16,T27,T28
1	0	Covered	T16,T27,T28
1	1	Covered	T16,T27,T28

Branch Coverage for Instance : tb.dut.u_reg.u_auto_block_out_ctl_cdc.u_src_to_dst_req

	Line No.	Total	Covered	Percent
Branches		4	4	100.00
IF	31	2	2	100.00
IF	89	2	2	100.00



31             if (!rst_src_ni) begin
               -1-  
32               src_level <= 1'b0;
                 ==>
33             end else begin
34               src_level <= src_level ^ src_pulse_i;
                 ==>

Branches:

-1-	Status	Tests
1	Covered	T1,T4,T2
0	Covered	T1,T4,T2



89             if (!rst_dst_ni) begin
               -1-  
90               dst_level_q <= 1'b0;
                 ==>
91             end else begin
92               dst_level_q <= dst_level;
                 ==>

Branches:

-1-	Status	Tests
1	Covered	T1,T4,T2
0	Covered	T1,T4,T2

Assert Coverage for Instance : tb.dut.u_reg.u_auto_block_out_ctl_cdc.u_src_to_dst_req

	Total	Attempted	Percent	Succeeded/Matched	Percent
Assertions	2	2	100.00	2	100.00
Cover properties	0	0		0
Cover sequences	0	0		0
Total	2	2	100.00	2	100.00

Assertion Details

Name	Attempts	Real Successes	Failures	Incomplete
DstPulseCheck_A	5045782	1024	0	0
SrcPulseCheck_M	1237025007	1134	0	0

DstPulseCheck_A

Name	Attempts	Real Successes
Total	5045782	1024
T5	519	0
T6	3456	0
T7	1860	0
T8	518	0
T16	670	3
T17	408	0
T24	0	1
T25	3498	0
T26	522	0
T27	0	3
T28	0	3
T30	0	1
T56	0	3
T58	0	1
T59	0	3
T60	0	2
T61	0	3
T62	419	0
T63	422	0

SrcPulseCheck_M

Name	Attempts	Real Successes
Total	1237025007	1134
T5	211269	0
T6	91716	0
T7	120934	0
T8	23335	0
T16	160902	3
T17	32710	0
T24	0	1
T25	104974	0
T26	250798	0
T27	0	3
T28	0	3
T30	0	1
T56	0	3
T58	0	1
T59	0	3
T60	0	2
T61	0	3
T62	60938	0
T63	205116	0

Line Coverage for Instance : tb.dut.u_reg.u_auto_block_out_ctl_cdc.u_arb.gen_passthru.u_dst_to_src_ack

	Line No.	Total	Covered	Percent
TOTAL		7	7	100.00
ALWAYS	31	3	3	100.00
CONT_ASSIGN	49	0	0
CONT_ASSIGN	52	0	0
ALWAYS	55	0	0
ALWAYS	89	3	3	100.00
CONT_ASSIGN	97	1	1	100.00



30                        always_ff @(posedge clk_src_i or negedge rst_src_ni) begin
31         1/1              if (!rst_src_ni) begin
           Tests:       T1 T4 T2 
32         1/1                src_level <= 1'b0;
           Tests:       T1 T4 T2 
33                          end else begin
34         1/1                src_level <= src_level ^ src_pulse_i;
           Tests:       T1 T4 T2 
35                          end
36                        end
37                      
38                      
39                        // source active must come far enough such that the destination domain has time
40                        // to create a valid pulse.
41                      `ifdef INC_ASSERT
42                        //VCS coverage off
43                        // pragma coverage off
44                      
45                        // source active flag tracks whether there is an ongoing "toggle" event.
46                        // Until this toggle event is accepted by the destination domain (negative edge of
47                        // of the pulse output), the source side cannot toggle again.
48                        logic effective_rst_n;
49         unreachable    assign effective_rst_n = rst_src_ni && dst_pulse_o;
50                      
51                        logic src_active_flag_d, src_active_flag_q;
52         unreachable    assign src_active_flag_d = src_pulse_i || src_active_flag_q;
53                      
54                        always_ff @(posedge clk_src_i or negedge effective_rst_n) begin
55         unreachable      if (!effective_rst_n) begin
56         unreachable        src_active_flag_q <= '0;
57                          end else begin
58         unreachable        src_active_flag_q <= src_active_flag_d;
59                          end
60                        end
61                      
62                        //VCS coverage on
63                        // pragma coverage on
64                      
65                        `ASSERT(SrcPulseCheck_M, src_pulse_i |-> !src_active_flag_q, clk_src_i, !rst_src_ni)
66                      `endif
67                      
68                        //////////////////////////////////////////////////////////
69                        // synchronize level signal to destination clock domain //
70                        //////////////////////////////////////////////////////////
71                        logic dst_level;
72                      
73                        prim_flop_2sync #(.Width(1)) prim_flop_2sync (
74                          // source clock domain
75                          .d_i    (src_level),
76                          // destination clock domain
77                          .clk_i  (clk_dst_i),
78                          .rst_ni (rst_dst_ni),
79                          .q_o    (dst_level)
80                        );
81                      
82                        ////////////////////////////////////////
83                        // convert level signal back to pulse //
84                        ////////////////////////////////////////
85                        logic dst_level_q;
86                      
87                        // delay dst_level by 1 cycle
88                        always_ff @(posedge clk_dst_i or negedge rst_dst_ni) begin
89         1/1              if (!rst_dst_ni) begin
           Tests:       T1 T4 T2 
90         1/1                dst_level_q <= 1'b0;
           Tests:       T1 T4 T2 
91                          end else begin
92         1/1                dst_level_q <= dst_level;
           Tests:       T1 T4 T2 
93                          end
94                        end
95                      
96                        // edge detection
97         1/1            assign dst_pulse_o = dst_level_q ^ dst_level;
           Tests:       T1 T4 T2

Cond Coverage for Instance : tb.dut.u_reg.u_auto_block_out_ctl_cdc.u_arb.gen_passthru.u_dst_to_src_ack

	Total	Covered	Percent
Conditions	8	8	100.00
Logical	8	8	100.00
Non-Logical	0	0
Event	0	0

 LINE       34
 EXPRESSION (src_level ^ src_pulse_i)
             ----1----   -----2-----

-1-	-2-	Status	Tests
0	0	Covered	T1,T4,T2
0	1	Covered	T16,T27,T28
1	0	Covered	T16,T27,T28
1	1	Covered	T16,T27,T28

 LINE       97
 EXPRESSION (dst_level_q ^ dst_level)
             -----1-----   ----2----

-1-	-2-	Status	Tests
0	0	Covered	T1,T4,T2
0	1	Covered	T16,T27,T28
1	0	Covered	T16,T27,T28
1	1	Covered	T16,T27,T28

Branch Coverage for Instance : tb.dut.u_reg.u_auto_block_out_ctl_cdc.u_arb.gen_passthru.u_dst_to_src_ack

	Line No.	Total	Covered	Percent
Branches		4	4	100.00
IF	31	2	2	100.00
IF	89	2	2	100.00



31             if (!rst_src_ni) begin
               -1-  
32               src_level <= 1'b0;
                 ==>
33             end else begin
34               src_level <= src_level ^ src_pulse_i;
                 ==>

Branches:

-1-	Status	Tests
1	Covered	T1,T4,T2
0	Covered	T1,T4,T2



89             if (!rst_dst_ni) begin
               -1-  
90               dst_level_q <= 1'b0;
                 ==>
91             end else begin
92               dst_level_q <= dst_level;
                 ==>

Branches:

-1-	Status	Tests
1	Covered	T1,T4,T2
0	Covered	T1,T4,T2

Assert Coverage for Instance : tb.dut.u_reg.u_auto_block_out_ctl_cdc.u_arb.gen_passthru.u_dst_to_src_ack

	Total	Attempted	Percent	Succeeded/Matched	Percent
Assertions	2	2	100.00	2	100.00
Cover properties	0	0		0
Cover sequences	0	0		0
Total	2	2	100.00	2	100.00

Assertion Details

Name	Attempts	Real Successes	Failures	Incomplete
DstPulseCheck_A	1237025007	1126	0	0
SrcPulseCheck_M	5045782	1126	0	0

DstPulseCheck_A

Name	Attempts	Real Successes
Total	1237025007	1126
T5	211269	0
T6	91716	0
T7	120934	0
T8	23335	0
T16	160902	3
T17	32710	0
T24	0	1
T25	104974	0
T26	250798	0
T27	0	3
T28	0	3
T30	0	1
T56	0	3
T58	0	1
T59	0	3
T60	0	2
T61	0	3
T62	60938	0
T63	205116	0

SrcPulseCheck_M

Name	Attempts	Real Successes
Total	5045782	1126
T5	519	0
T6	3456	0
T7	1860	0
T8	518	0
T16	670	3
T17	408	0
T24	0	1
T25	3498	0
T26	522	0
T27	0	3
T28	0	3
T30	0	1
T56	0	3
T58	0	1
T59	0	3
T60	0	2
T61	0	3
T62	419	0
T63	422	0

Line Coverage for Instance : tb.dut.u_reg.u_com_pre_sel_ctl_0_cdc.u_src_to_dst_req

	Line No.	Total	Covered	Percent
TOTAL		7	7	100.00
ALWAYS	31	3	3	100.00
CONT_ASSIGN	49	0	0
CONT_ASSIGN	52	0	0
ALWAYS	55	0	0
ALWAYS	89	3	3	100.00
CONT_ASSIGN	97	1	1	100.00



30                        always_ff @(posedge clk_src_i or negedge rst_src_ni) begin
31         1/1              if (!rst_src_ni) begin
           Tests:       T1 T4 T2 
32         1/1                src_level <= 1'b0;
           Tests:       T1 T4 T2 
33                          end else begin
34         1/1                src_level <= src_level ^ src_pulse_i;
           Tests:       T1 T4 T2 
35                          end
36                        end
37                      
38                      
39                        // source active must come far enough such that the destination domain has time
40                        // to create a valid pulse.
41                      `ifdef INC_ASSERT
42                        //VCS coverage off
43                        // pragma coverage off
44                      
45                        // source active flag tracks whether there is an ongoing "toggle" event.
46                        // Until this toggle event is accepted by the destination domain (negative edge of
47                        // of the pulse output), the source side cannot toggle again.
48                        logic effective_rst_n;
49         unreachable    assign effective_rst_n = rst_src_ni && dst_pulse_o;
50                      
51                        logic src_active_flag_d, src_active_flag_q;
52         unreachable    assign src_active_flag_d = src_pulse_i || src_active_flag_q;
53                      
54                        always_ff @(posedge clk_src_i or negedge effective_rst_n) begin
55         unreachable      if (!effective_rst_n) begin
56         unreachable        src_active_flag_q <= '0;
57                          end else begin
58         unreachable        src_active_flag_q <= src_active_flag_d;
59                          end
60                        end
61                      
62                        //VCS coverage on
63                        // pragma coverage on
64                      
65                        `ASSERT(SrcPulseCheck_M, src_pulse_i |-> !src_active_flag_q, clk_src_i, !rst_src_ni)
66                      `endif
67                      
68                        //////////////////////////////////////////////////////////
69                        // synchronize level signal to destination clock domain //
70                        //////////////////////////////////////////////////////////
71                        logic dst_level;
72                      
73                        prim_flop_2sync #(.Width(1)) prim_flop_2sync (
74                          // source clock domain
75                          .d_i    (src_level),
76                          // destination clock domain
77                          .clk_i  (clk_dst_i),
78                          .rst_ni (rst_dst_ni),
79                          .q_o    (dst_level)
80                        );
81                      
82                        ////////////////////////////////////////
83                        // convert level signal back to pulse //
84                        ////////////////////////////////////////
85                        logic dst_level_q;
86                      
87                        // delay dst_level by 1 cycle
88                        always_ff @(posedge clk_dst_i or negedge rst_dst_ni) begin
89         1/1              if (!rst_dst_ni) begin
           Tests:       T1 T4 T2 
90         1/1                dst_level_q <= 1'b0;
           Tests:       T1 T4 T2 
91                          end else begin
92         1/1                dst_level_q <= dst_level;
           Tests:       T1 T4 T2 
93                          end
94                        end
95                      
96                        // edge detection
97         1/1            assign dst_pulse_o = dst_level_q ^ dst_level;
           Tests:       T1 T8 T29

Cond Coverage for Instance : tb.dut.u_reg.u_com_pre_sel_ctl_0_cdc.u_src_to_dst_req

	Total	Covered	Percent
Conditions	8	8	100.00
Logical	8	8	100.00
Non-Logical	0	0
Event	0	0

 LINE       34
 EXPRESSION (src_level ^ src_pulse_i)
             ----1----   -----2-----

-1-	-2-	Status	Tests
0	0	Covered	T1,T4,T2
0	1	Covered	T1,T8,T29
1	0	Covered	T1,T8,T29
1	1	Covered	T24,T30,T31

 LINE       97
 EXPRESSION (dst_level_q ^ dst_level)
             -----1-----   ----2----

-1-	-2-	Status	Tests
0	0	Covered	T1,T4,T2
0	1	Covered	T1,T8,T29
1	0	Covered	T24,T30,T31
1	1	Covered	T1,T8,T29

Branch Coverage for Instance : tb.dut.u_reg.u_com_pre_sel_ctl_0_cdc.u_src_to_dst_req

	Line No.	Total	Covered	Percent
Branches		4	4	100.00
IF	31	2	2	100.00
IF	89	2	2	100.00



31             if (!rst_src_ni) begin
               -1-  
32               src_level <= 1'b0;
                 ==>
33             end else begin
34               src_level <= src_level ^ src_pulse_i;
                 ==>

Branches:

-1-	Status	Tests
1	Covered	T1,T4,T2
0	Covered	T1,T4,T2



89             if (!rst_dst_ni) begin
               -1-  
90               dst_level_q <= 1'b0;
                 ==>
91             end else begin
92               dst_level_q <= dst_level;
                 ==>

Branches:

-1-	Status	Tests
1	Covered	T1,T4,T2
0	Covered	T1,T4,T2

Assert Coverage for Instance : tb.dut.u_reg.u_com_pre_sel_ctl_0_cdc.u_src_to_dst_req

	Total	Attempted	Percent	Succeeded/Matched	Percent
Assertions	2	2	100.00	2	100.00
Cover properties	0	0		0
Cover sequences	0	0		0
Total	2	2	100.00	2	100.00

Assertion Details

Name	Attempts	Real Successes	Failures	Incomplete
DstPulseCheck_A	5045782	6669	0	0
SrcPulseCheck_M	1237025007	6782	0	0

DstPulseCheck_A

Name	Attempts	Real Successes
Total	5045782	6669
T1	509	1
T2	485	0
T3	1755	0
T4	510	0
T8	0	1
T12	450	0
T13	422	0
T14	761	0
T15	492	0
T16	670	0
T17	408	0
T24	0	11
T29	0	1
T30	0	11
T31	0	66
T37	0	94
T55	0	1
T84	0	1
T85	0	51

SrcPulseCheck_M

Name	Attempts	Real Successes
Total	1237025007	6782
T1	63618	1
T2	118961	0
T3	117509	0
T4	30650	0
T8	0	1
T12	51830	0
T13	211429	0
T14	91412	0
T15	243722	0
T16	160902	0
T17	32710	0
T24	0	11
T29	0	1
T30	0	11
T31	0	66
T37	0	94
T55	0	1
T84	0	1
T85	0	51

Line Coverage for Instance : tb.dut.u_reg.u_com_pre_sel_ctl_0_cdc.u_arb.gen_passthru.u_dst_to_src_ack

	Line No.	Total	Covered	Percent
TOTAL		7	7	100.00
ALWAYS	31	3	3	100.00
CONT_ASSIGN	49	0	0
CONT_ASSIGN	52	0	0
ALWAYS	55	0	0
ALWAYS	89	3	3	100.00
CONT_ASSIGN	97	1	1	100.00



30                        always_ff @(posedge clk_src_i or negedge rst_src_ni) begin
31         1/1              if (!rst_src_ni) begin
           Tests:       T1 T4 T2 
32         1/1                src_level <= 1'b0;
           Tests:       T1 T4 T2 
33                          end else begin
34         1/1                src_level <= src_level ^ src_pulse_i;
           Tests:       T1 T4 T2 
35                          end
36                        end
37                      
38                      
39                        // source active must come far enough such that the destination domain has time
40                        // to create a valid pulse.
41                      `ifdef INC_ASSERT
42                        //VCS coverage off
43                        // pragma coverage off
44                      
45                        // source active flag tracks whether there is an ongoing "toggle" event.
46                        // Until this toggle event is accepted by the destination domain (negative edge of
47                        // of the pulse output), the source side cannot toggle again.
48                        logic effective_rst_n;
49         unreachable    assign effective_rst_n = rst_src_ni && dst_pulse_o;
50                      
51                        logic src_active_flag_d, src_active_flag_q;
52         unreachable    assign src_active_flag_d = src_pulse_i || src_active_flag_q;
53                      
54                        always_ff @(posedge clk_src_i or negedge effective_rst_n) begin
55         unreachable      if (!effective_rst_n) begin
56         unreachable        src_active_flag_q <= '0;
57                          end else begin
58         unreachable        src_active_flag_q <= src_active_flag_d;
59                          end
60                        end
61                      
62                        //VCS coverage on
63                        // pragma coverage on
64                      
65                        `ASSERT(SrcPulseCheck_M, src_pulse_i |-> !src_active_flag_q, clk_src_i, !rst_src_ni)
66                      `endif
67                      
68                        //////////////////////////////////////////////////////////
69                        // synchronize level signal to destination clock domain //
70                        //////////////////////////////////////////////////////////
71                        logic dst_level;
72                      
73                        prim_flop_2sync #(.Width(1)) prim_flop_2sync (
74                          // source clock domain
75                          .d_i    (src_level),
76                          // destination clock domain
77                          .clk_i  (clk_dst_i),
78                          .rst_ni (rst_dst_ni),
79                          .q_o    (dst_level)
80                        );
81                      
82                        ////////////////////////////////////////
83                        // convert level signal back to pulse //
84                        ////////////////////////////////////////
85                        logic dst_level_q;
86                      
87                        // delay dst_level by 1 cycle
88                        always_ff @(posedge clk_dst_i or negedge rst_dst_ni) begin
89         1/1              if (!rst_dst_ni) begin
           Tests:       T1 T4 T2 
90         1/1                dst_level_q <= 1'b0;
           Tests:       T1 T4 T2 
91                          end else begin
92         1/1                dst_level_q <= dst_level;
           Tests:       T1 T4 T2 
93                          end
94                        end
95                      
96                        // edge detection
97         1/1            assign dst_pulse_o = dst_level_q ^ dst_level;
           Tests:       T1 T4 T2

Cond Coverage for Instance : tb.dut.u_reg.u_com_pre_sel_ctl_0_cdc.u_arb.gen_passthru.u_dst_to_src_ack

	Total	Covered	Percent
Conditions	8	8	100.00
Logical	8	8	100.00
Non-Logical	0	0
Event	0	0

 LINE       34
 EXPRESSION (src_level ^ src_pulse_i)
             ----1----   -----2-----

-1-	-2-	Status	Tests
0	0	Covered	T1,T4,T2
0	1	Covered	T1,T8,T29
1	0	Covered	T1,T8,T29
1	1	Covered	T24,T30,T31

 LINE       97
 EXPRESSION (dst_level_q ^ dst_level)
             -----1-----   ----2----

-1-	-2-	Status	Tests
0	0	Covered	T1,T4,T2
0	1	Covered	T1,T8,T29
1	0	Covered	T24,T30,T31
1	1	Covered	T1,T8,T29

Branch Coverage for Instance : tb.dut.u_reg.u_com_pre_sel_ctl_0_cdc.u_arb.gen_passthru.u_dst_to_src_ack

	Line No.	Total	Covered	Percent
Branches		4	4	100.00
IF	31	2	2	100.00
IF	89	2	2	100.00



31             if (!rst_src_ni) begin
               -1-  
32               src_level <= 1'b0;
                 ==>
33             end else begin
34               src_level <= src_level ^ src_pulse_i;
                 ==>

Branches:

-1-	Status	Tests
1	Covered	T1,T4,T2
0	Covered	T1,T4,T2



89             if (!rst_dst_ni) begin
               -1-  
90               dst_level_q <= 1'b0;
                 ==>
91             end else begin
92               dst_level_q <= dst_level;
                 ==>

Branches:

-1-	Status	Tests
1	Covered	T1,T4,T2
0	Covered	T1,T4,T2

Assert Coverage for Instance : tb.dut.u_reg.u_com_pre_sel_ctl_0_cdc.u_arb.gen_passthru.u_dst_to_src_ack

	Total	Attempted	Percent	Succeeded/Matched	Percent
Assertions	2	2	100.00	2	100.00
Cover properties	0	0		0
Cover sequences	0	0		0
Total	2	2	100.00	2	100.00

Assertion Details

Name	Attempts	Real Successes	Failures	Incomplete
DstPulseCheck_A	1237025007	6777	0	0
SrcPulseCheck_M	5045782	6777	0	0

DstPulseCheck_A

Name	Attempts	Real Successes
Total	1237025007	6777
T1	63618	1
T2	118961	0
T3	117509	0
T4	30650	0
T8	0	1
T12	51830	0
T13	211429	0
T14	91412	0
T15	243722	0
T16	160902	0
T17	32710	0
T24	0	11
T29	0	1
T30	0	11
T31	0	66
T37	0	94
T55	0	1
T84	0	1
T85	0	51

SrcPulseCheck_M

Name	Attempts	Real Successes
Total	5045782	6777
T1	509	1
T2	485	0
T3	1755	0
T4	510	0
T8	0	1
T12	450	0
T13	422	0
T14	761	0
T15	492	0
T16	670	0
T17	408	0
T24	0	11
T29	0	1
T30	0	11
T31	0	66
T37	0	94
T55	0	1
T84	0	1
T85	0	51

Line Coverage for Instance : tb.dut.u_reg.u_com_pre_sel_ctl_1_cdc.u_src_to_dst_req

	Line No.	Total	Covered	Percent
TOTAL		7	7	100.00
ALWAYS	31	3	3	100.00
CONT_ASSIGN	49	0	0
CONT_ASSIGN	52	0	0
ALWAYS	55	0	0
ALWAYS	89	3	3	100.00
CONT_ASSIGN	97	1	1	100.00



30                        always_ff @(posedge clk_src_i or negedge rst_src_ni) begin
31         1/1              if (!rst_src_ni) begin
           Tests:       T1 T4 T2 
32         1/1                src_level <= 1'b0;
           Tests:       T1 T4 T2 
33                          end else begin
34         1/1                src_level <= src_level ^ src_pulse_i;
           Tests:       T1 T4 T2 
35                          end
36                        end
37                      
38                      
39                        // source active must come far enough such that the destination domain has time
40                        // to create a valid pulse.
41                      `ifdef INC_ASSERT
42                        //VCS coverage off
43                        // pragma coverage off
44                      
45                        // source active flag tracks whether there is an ongoing "toggle" event.
46                        // Until this toggle event is accepted by the destination domain (negative edge of
47                        // of the pulse output), the source side cannot toggle again.
48                        logic effective_rst_n;
49         unreachable    assign effective_rst_n = rst_src_ni && dst_pulse_o;
50                      
51                        logic src_active_flag_d, src_active_flag_q;
52         unreachable    assign src_active_flag_d = src_pulse_i || src_active_flag_q;
53                      
54                        always_ff @(posedge clk_src_i or negedge effective_rst_n) begin
55         unreachable      if (!effective_rst_n) begin
56         unreachable        src_active_flag_q <= '0;
57                          end else begin
58         unreachable        src_active_flag_q <= src_active_flag_d;
59                          end
60                        end
61                      
62                        //VCS coverage on
63                        // pragma coverage on
64                      
65                        `ASSERT(SrcPulseCheck_M, src_pulse_i |-> !src_active_flag_q, clk_src_i, !rst_src_ni)
66                      `endif
67                      
68                        //////////////////////////////////////////////////////////
69                        // synchronize level signal to destination clock domain //
70                        //////////////////////////////////////////////////////////
71                        logic dst_level;
72                      
73                        prim_flop_2sync #(.Width(1)) prim_flop_2sync (
74                          // source clock domain
75                          .d_i    (src_level),
76                          // destination clock domain
77                          .clk_i  (clk_dst_i),
78                          .rst_ni (rst_dst_ni),
79                          .q_o    (dst_level)
80                        );
81                      
82                        ////////////////////////////////////////
83                        // convert level signal back to pulse //
84                        ////////////////////////////////////////
85                        logic dst_level_q;
86                      
87                        // delay dst_level by 1 cycle
88                        always_ff @(posedge clk_dst_i or negedge rst_dst_ni) begin
89         1/1              if (!rst_dst_ni) begin
           Tests:       T1 T4 T2 
90         1/1                dst_level_q <= 1'b0;
           Tests:       T1 T4 T2 
91                          end else begin
92         1/1                dst_level_q <= dst_level;
           Tests:       T1 T4 T2 
93                          end
94                        end
95                      
96                        // edge detection
97         1/1            assign dst_pulse_o = dst_level_q ^ dst_level;
           Tests:       T24 T30 T31

Cond Coverage for Instance : tb.dut.u_reg.u_com_pre_sel_ctl_1_cdc.u_src_to_dst_req

	Total	Covered	Percent
Conditions	8	8	100.00
Logical	8	8	100.00
Non-Logical	0	0
Event	0	0

 LINE       34
 EXPRESSION (src_level ^ src_pulse_i)
             ----1----   -----2-----

-1-	-2-	Status	Tests
0	0	Covered	T1,T4,T2
0	1	Covered	T24,T30,T31
1	0	Covered	T24,T30,T31
1	1	Covered	T24,T30,T31

 LINE       97
 EXPRESSION (dst_level_q ^ dst_level)
             -----1-----   ----2----

-1-	-2-	Status	Tests
0	0	Covered	T1,T4,T2
0	1	Covered	T24,T30,T31
1	0	Covered	T24,T30,T31
1	1	Covered	T24,T30,T31

Branch Coverage for Instance : tb.dut.u_reg.u_com_pre_sel_ctl_1_cdc.u_src_to_dst_req

	Line No.	Total	Covered	Percent
Branches		4	4	100.00
IF	31	2	2	100.00
IF	89	2	2	100.00



31             if (!rst_src_ni) begin
               -1-  
32               src_level <= 1'b0;
                 ==>
33             end else begin
34               src_level <= src_level ^ src_pulse_i;
                 ==>

Branches:

-1-	Status	Tests
1	Covered	T1,T4,T2
0	Covered	T1,T4,T2



89             if (!rst_dst_ni) begin
               -1-  
90               dst_level_q <= 1'b0;
                 ==>
91             end else begin
92               dst_level_q <= dst_level;
                 ==>

Branches:

-1-	Status	Tests
1	Covered	T1,T4,T2
0	Covered	T1,T4,T2

Assert Coverage for Instance : tb.dut.u_reg.u_com_pre_sel_ctl_1_cdc.u_src_to_dst_req

	Total	Attempted	Percent	Succeeded/Matched	Percent
Assertions	2	2	100.00	2	100.00
Cover properties	0	0		0
Cover sequences	0	0		0
Total	2	2	100.00	2	100.00

Assertion Details

Name	Attempts	Real Successes	Failures	Incomplete
DstPulseCheck_A	5045782	6669	0	0
SrcPulseCheck_M	1237025007	6783	0	0

DstPulseCheck_A

Name	Attempts	Real Successes
Total	5045782	6669
T10	1200	0
T11	684	0
T24	7077	11
T30	0	11
T31	0	54
T37	0	67
T52	0	73
T55	461	0
T56	674	0
T64	405	0
T65	425	0
T73	493	0
T82	530	0
T85	0	51
T86	0	62
T87	0	51
T88	0	51
T89	0	51
T90	415	0

SrcPulseCheck_M

Name	Attempts	Real Successes
Total	1237025007	6783
T10	460207	0
T11	335211	0
T24	845686	11
T30	0	11
T31	0	54
T37	0	67
T52	0	73
T55	57704	0
T56	84396	0
T64	50595	0
T65	51023	0
T73	118680	0
T82	34502	0
T85	0	51
T86	0	62
T87	0	51
T88	0	51
T89	0	51
T90	197412	0

Line Coverage for Instance : tb.dut.u_reg.u_com_pre_sel_ctl_1_cdc.u_arb.gen_passthru.u_dst_to_src_ack

	Line No.	Total	Covered	Percent
TOTAL		7	7	100.00
ALWAYS	31	3	3	100.00
CONT_ASSIGN	49	0	0
CONT_ASSIGN	52	0	0
ALWAYS	55	0	0
ALWAYS	89	3	3	100.00
CONT_ASSIGN	97	1	1	100.00



30                        always_ff @(posedge clk_src_i or negedge rst_src_ni) begin
31         1/1              if (!rst_src_ni) begin
           Tests:       T1 T4 T2 
32         1/1                src_level <= 1'b0;
           Tests:       T1 T4 T2 
33                          end else begin
34         1/1                src_level <= src_level ^ src_pulse_i;
           Tests:       T1 T4 T2 
35                          end
36                        end
37                      
38                      
39                        // source active must come far enough such that the destination domain has time
40                        // to create a valid pulse.
41                      `ifdef INC_ASSERT
42                        //VCS coverage off
43                        // pragma coverage off
44                      
45                        // source active flag tracks whether there is an ongoing "toggle" event.
46                        // Until this toggle event is accepted by the destination domain (negative edge of
47                        // of the pulse output), the source side cannot toggle again.
48                        logic effective_rst_n;
49         unreachable    assign effective_rst_n = rst_src_ni && dst_pulse_o;
50                      
51                        logic src_active_flag_d, src_active_flag_q;
52         unreachable    assign src_active_flag_d = src_pulse_i || src_active_flag_q;
53                      
54                        always_ff @(posedge clk_src_i or negedge effective_rst_n) begin
55         unreachable      if (!effective_rst_n) begin
56         unreachable        src_active_flag_q <= '0;
57                          end else begin
58         unreachable        src_active_flag_q <= src_active_flag_d;
59                          end
60                        end
61                      
62                        //VCS coverage on
63                        // pragma coverage on
64                      
65                        `ASSERT(SrcPulseCheck_M, src_pulse_i |-> !src_active_flag_q, clk_src_i, !rst_src_ni)
66                      `endif
67                      
68                        //////////////////////////////////////////////////////////
69                        // synchronize level signal to destination clock domain //
70                        //////////////////////////////////////////////////////////
71                        logic dst_level;
72                      
73                        prim_flop_2sync #(.Width(1)) prim_flop_2sync (
74                          // source clock domain
75                          .d_i    (src_level),
76                          // destination clock domain
77                          .clk_i  (clk_dst_i),
78                          .rst_ni (rst_dst_ni),
79                          .q_o    (dst_level)
80                        );
81                      
82                        ////////////////////////////////////////
83                        // convert level signal back to pulse //
84                        ////////////////////////////////////////
85                        logic dst_level_q;
86                      
87                        // delay dst_level by 1 cycle
88                        always_ff @(posedge clk_dst_i or negedge rst_dst_ni) begin
89         1/1              if (!rst_dst_ni) begin
           Tests:       T1 T4 T2 
90         1/1                dst_level_q <= 1'b0;
           Tests:       T1 T4 T2 
91                          end else begin
92         1/1                dst_level_q <= dst_level;
           Tests:       T1 T4 T2 
93                          end
94                        end
95                      
96                        // edge detection
97         1/1            assign dst_pulse_o = dst_level_q ^ dst_level;
           Tests:       T1 T4 T2

Cond Coverage for Instance : tb.dut.u_reg.u_com_pre_sel_ctl_1_cdc.u_arb.gen_passthru.u_dst_to_src_ack

	Total	Covered	Percent
Conditions	8	8	100.00
Logical	8	8	100.00
Non-Logical	0	0
Event	0	0

 LINE       34
 EXPRESSION (src_level ^ src_pulse_i)
             ----1----   -----2-----

-1-	-2-	Status	Tests
0	0	Covered	T1,T4,T2
0	1	Covered	T24,T30,T31
1	0	Covered	T24,T30,T31
1	1	Covered	T24,T30,T31

 LINE       97
 EXPRESSION (dst_level_q ^ dst_level)
             -----1-----   ----2----

-1-	-2-	Status	Tests
0	0	Covered	T1,T4,T2
0	1	Covered	T24,T30,T31
1	0	Covered	T24,T30,T31
1	1	Covered	T24,T30,T31

Branch Coverage for Instance : tb.dut.u_reg.u_com_pre_sel_ctl_1_cdc.u_arb.gen_passthru.u_dst_to_src_ack

	Line No.	Total	Covered	Percent
Branches		4	4	100.00
IF	31	2	2	100.00
IF	89	2	2	100.00



31             if (!rst_src_ni) begin
               -1-  
32               src_level <= 1'b0;
                 ==>
33             end else begin
34               src_level <= src_level ^ src_pulse_i;
                 ==>

Branches:

-1-	Status	Tests
1	Covered	T1,T4,T2
0	Covered	T1,T4,T2



89             if (!rst_dst_ni) begin
               -1-  
90               dst_level_q <= 1'b0;
                 ==>
91             end else begin
92               dst_level_q <= dst_level;
                 ==>

Branches:

-1-	Status	Tests
1	Covered	T1,T4,T2
0	Covered	T1,T4,T2

Assert Coverage for Instance : tb.dut.u_reg.u_com_pre_sel_ctl_1_cdc.u_arb.gen_passthru.u_dst_to_src_ack

	Total	Attempted	Percent	Succeeded/Matched	Percent
Assertions	2	2	100.00	2	100.00
Cover properties	0	0		0
Cover sequences	0	0		0
Total	2	2	100.00	2	100.00

Assertion Details

Name	Attempts	Real Successes	Failures	Incomplete
DstPulseCheck_A	1237025007	6779	0	0
SrcPulseCheck_M	5045782	6779	0	0

DstPulseCheck_A

Name	Attempts	Real Successes
Total	1237025007	6779
T10	460207	0
T11	335211	0
T24	845686	11
T30	0	11
T31	0	54
T37	0	67
T52	0	73
T55	57704	0
T56	84396	0
T64	50595	0
T65	51023	0
T73	118680	0
T82	34502	0
T85	0	51
T86	0	62
T87	0	51
T88	0	51
T89	0	51
T90	197412	0

SrcPulseCheck_M

Name	Attempts	Real Successes
Total	5045782	6779
T10	1200	0
T11	684	0
T24	7077	11
T30	0	11
T31	0	54
T37	0	67
T52	0	73
T55	461	0
T56	674	0
T64	405	0
T65	425	0
T73	493	0
T82	530	0
T85	0	51
T86	0	62
T87	0	51
T88	0	51
T89	0	51
T90	415	0

Line Coverage for Instance : tb.dut.u_reg.u_com_pre_sel_ctl_2_cdc.u_src_to_dst_req

	Line No.	Total	Covered	Percent
TOTAL		7	7	100.00
ALWAYS	31	3	3	100.00
CONT_ASSIGN	49	0	0
CONT_ASSIGN	52	0	0
ALWAYS	55	0	0
ALWAYS	89	3	3	100.00
CONT_ASSIGN	97	1	1	100.00



30                        always_ff @(posedge clk_src_i or negedge rst_src_ni) begin
31         1/1              if (!rst_src_ni) begin
           Tests:       T1 T4 T2 
32         1/1                src_level <= 1'b0;
           Tests:       T1 T4 T2 
33                          end else begin
34         1/1                src_level <= src_level ^ src_pulse_i;
           Tests:       T1 T4 T2 
35                          end
36                        end
37                      
38                      
39                        // source active must come far enough such that the destination domain has time
40                        // to create a valid pulse.
41                      `ifdef INC_ASSERT
42                        //VCS coverage off
43                        // pragma coverage off
44                      
45                        // source active flag tracks whether there is an ongoing "toggle" event.
46                        // Until this toggle event is accepted by the destination domain (negative edge of
47                        // of the pulse output), the source side cannot toggle again.
48                        logic effective_rst_n;
49         unreachable    assign effective_rst_n = rst_src_ni && dst_pulse_o;
50                      
51                        logic src_active_flag_d, src_active_flag_q;
52         unreachable    assign src_active_flag_d = src_pulse_i || src_active_flag_q;
53                      
54                        always_ff @(posedge clk_src_i or negedge effective_rst_n) begin
55         unreachable      if (!effective_rst_n) begin
56         unreachable        src_active_flag_q <= '0;
57                          end else begin
58         unreachable        src_active_flag_q <= src_active_flag_d;
59                          end
60                        end
61                      
62                        //VCS coverage on
63                        // pragma coverage on
64                      
65                        `ASSERT(SrcPulseCheck_M, src_pulse_i |-> !src_active_flag_q, clk_src_i, !rst_src_ni)
66                      `endif
67                      
68                        //////////////////////////////////////////////////////////
69                        // synchronize level signal to destination clock domain //
70                        //////////////////////////////////////////////////////////
71                        logic dst_level;
72                      
73                        prim_flop_2sync #(.Width(1)) prim_flop_2sync (
74                          // source clock domain
75                          .d_i    (src_level),
76                          // destination clock domain
77                          .clk_i  (clk_dst_i),
78                          .rst_ni (rst_dst_ni),
79                          .q_o    (dst_level)
80                        );
81                      
82                        ////////////////////////////////////////
83                        // convert level signal back to pulse //
84                        ////////////////////////////////////////
85                        logic dst_level_q;
86                      
87                        // delay dst_level by 1 cycle
88                        always_ff @(posedge clk_dst_i or negedge rst_dst_ni) begin
89         1/1              if (!rst_dst_ni) begin
           Tests:       T1 T4 T2 
90         1/1                dst_level_q <= 1'b0;
           Tests:       T1 T4 T2 
91                          end else begin
92         1/1                dst_level_q <= dst_level;
           Tests:       T1 T4 T2 
93                          end
94                        end
95                      
96                        // edge detection
97         1/1            assign dst_pulse_o = dst_level_q ^ dst_level;
           Tests:       T24 T30 T31

Cond Coverage for Instance : tb.dut.u_reg.u_com_pre_sel_ctl_2_cdc.u_src_to_dst_req

	Total	Covered	Percent
Conditions	8	8	100.00
Logical	8	8	100.00
Non-Logical	0	0
Event	0	0

 LINE       34
 EXPRESSION (src_level ^ src_pulse_i)
             ----1----   -----2-----

-1-	-2-	Status	Tests
0	0	Covered	T1,T4,T2
0	1	Covered	T24,T30,T31
1	0	Covered	T24,T30,T31
1	1	Covered	T24,T30,T31

 LINE       97
 EXPRESSION (dst_level_q ^ dst_level)
             -----1-----   ----2----

-1-	-2-	Status	Tests
0	0	Covered	T1,T4,T2
0	1	Covered	T24,T30,T31
1	0	Covered	T24,T30,T31
1	1	Covered	T24,T30,T31

Branch Coverage for Instance : tb.dut.u_reg.u_com_pre_sel_ctl_2_cdc.u_src_to_dst_req

	Line No.	Total	Covered	Percent
Branches		4	4	100.00
IF	31	2	2	100.00
IF	89	2	2	100.00



31             if (!rst_src_ni) begin
               -1-  
32               src_level <= 1'b0;
                 ==>
33             end else begin
34               src_level <= src_level ^ src_pulse_i;
                 ==>

Branches:

-1-	Status	Tests
1	Covered	T1,T4,T2
0	Covered	T1,T4,T2



89             if (!rst_dst_ni) begin
               -1-  
90               dst_level_q <= 1'b0;
                 ==>
91             end else begin
92               dst_level_q <= dst_level;
                 ==>

Branches:

-1-	Status	Tests
1	Covered	T1,T4,T2
0	Covered	T1,T4,T2

Assert Coverage for Instance : tb.dut.u_reg.u_com_pre_sel_ctl_2_cdc.u_src_to_dst_req

	Total	Attempted	Percent	Succeeded/Matched	Percent
Assertions	2	2	100.00	2	100.00
Cover properties	0	0		0
Cover sequences	0	0		0
Total	2	2	100.00	2	100.00

Assertion Details

Name	Attempts	Real Successes	Failures	Incomplete
DstPulseCheck_A	5045782	6696	0	0
SrcPulseCheck_M	1237025007	6806	0	0

DstPulseCheck_A

Name	Attempts	Real Successes
Total	5045782	6696
T10	1200	0
T11	684	0
T24	7077	11
T30	0	11
T31	0	66
T37	0	74
T52	0	63
T55	461	0
T56	674	0
T64	405	0
T65	425	0
T73	493	0
T82	530	0
T85	0	51
T86	0	65
T87	0	51
T88	0	51
T89	0	51
T90	415	0

SrcPulseCheck_M

Name	Attempts	Real Successes
Total	1237025007	6806
T10	460207	0
T11	335211	0
T24	845686	11
T30	0	11
T31	0	66
T37	0	74
T52	0	63
T55	57704	0
T56	84396	0
T64	50595	0
T65	51023	0
T73	118680	0
T82	34502	0
T85	0	51
T86	0	65
T87	0	51
T88	0	51
T89	0	51
T90	197412	0

Line Coverage for Instance : tb.dut.u_reg.u_com_pre_sel_ctl_2_cdc.u_arb.gen_passthru.u_dst_to_src_ack

	Line No.	Total	Covered	Percent
TOTAL		7	7	100.00
ALWAYS	31	3	3	100.00
CONT_ASSIGN	49	0	0
CONT_ASSIGN	52	0	0
ALWAYS	55	0	0
ALWAYS	89	3	3	100.00
CONT_ASSIGN	97	1	1	100.00



30                        always_ff @(posedge clk_src_i or negedge rst_src_ni) begin
31         1/1              if (!rst_src_ni) begin
           Tests:       T1 T4 T2 
32         1/1                src_level <= 1'b0;
           Tests:       T1 T4 T2 
33                          end else begin
34         1/1                src_level <= src_level ^ src_pulse_i;
           Tests:       T1 T4 T2 
35                          end
36                        end
37                      
38                      
39                        // source active must come far enough such that the destination domain has time
40                        // to create a valid pulse.
41                      `ifdef INC_ASSERT
42                        //VCS coverage off
43                        // pragma coverage off
44                      
45                        // source active flag tracks whether there is an ongoing "toggle" event.
46                        // Until this toggle event is accepted by the destination domain (negative edge of
47                        // of the pulse output), the source side cannot toggle again.
48                        logic effective_rst_n;
49         unreachable    assign effective_rst_n = rst_src_ni && dst_pulse_o;
50                      
51                        logic src_active_flag_d, src_active_flag_q;
52         unreachable    assign src_active_flag_d = src_pulse_i || src_active_flag_q;
53                      
54                        always_ff @(posedge clk_src_i or negedge effective_rst_n) begin
55         unreachable      if (!effective_rst_n) begin
56         unreachable        src_active_flag_q <= '0;
57                          end else begin
58         unreachable        src_active_flag_q <= src_active_flag_d;
59                          end
60                        end
61                      
62                        //VCS coverage on
63                        // pragma coverage on
64                      
65                        `ASSERT(SrcPulseCheck_M, src_pulse_i |-> !src_active_flag_q, clk_src_i, !rst_src_ni)
66                      `endif
67                      
68                        //////////////////////////////////////////////////////////
69                        // synchronize level signal to destination clock domain //
70                        //////////////////////////////////////////////////////////
71                        logic dst_level;
72                      
73                        prim_flop_2sync #(.Width(1)) prim_flop_2sync (
74                          // source clock domain
75                          .d_i    (src_level),
76                          // destination clock domain
77                          .clk_i  (clk_dst_i),
78                          .rst_ni (rst_dst_ni),
79                          .q_o    (dst_level)
80                        );
81                      
82                        ////////////////////////////////////////
83                        // convert level signal back to pulse //
84                        ////////////////////////////////////////
85                        logic dst_level_q;
86                      
87                        // delay dst_level by 1 cycle
88                        always_ff @(posedge clk_dst_i or negedge rst_dst_ni) begin
89         1/1              if (!rst_dst_ni) begin
           Tests:       T1 T4 T2 
90         1/1                dst_level_q <= 1'b0;
           Tests:       T1 T4 T2 
91                          end else begin
92         1/1                dst_level_q <= dst_level;
           Tests:       T1 T4 T2 
93                          end
94                        end
95                      
96                        // edge detection
97         1/1            assign dst_pulse_o = dst_level_q ^ dst_level;
           Tests:       T1 T4 T2

Cond Coverage for Instance : tb.dut.u_reg.u_com_pre_sel_ctl_2_cdc.u_arb.gen_passthru.u_dst_to_src_ack

	Total	Covered	Percent
Conditions	8	8	100.00
Logical	8	8	100.00
Non-Logical	0	0
Event	0	0

 LINE       34
 EXPRESSION (src_level ^ src_pulse_i)
             ----1----   -----2-----

-1-	-2-	Status	Tests
0	0	Covered	T1,T4,T2
0	1	Covered	T24,T30,T31
1	0	Covered	T24,T30,T31
1	1	Covered	T24,T30,T31

 LINE       97
 EXPRESSION (dst_level_q ^ dst_level)
             -----1-----   ----2----

-1-	-2-	Status	Tests
0	0	Covered	T1,T4,T2
0	1	Covered	T24,T30,T31
1	0	Covered	T24,T30,T31
1	1	Covered	T24,T30,T31

Branch Coverage for Instance : tb.dut.u_reg.u_com_pre_sel_ctl_2_cdc.u_arb.gen_passthru.u_dst_to_src_ack

	Line No.	Total	Covered	Percent
Branches		4	4	100.00
IF	31	2	2	100.00
IF	89	2	2	100.00



31             if (!rst_src_ni) begin
               -1-  
32               src_level <= 1'b0;
                 ==>
33             end else begin
34               src_level <= src_level ^ src_pulse_i;
                 ==>

Branches:

-1-	Status	Tests
1	Covered	T1,T4,T2
0	Covered	T1,T4,T2



89             if (!rst_dst_ni) begin
               -1-  
90               dst_level_q <= 1'b0;
                 ==>
91             end else begin
92               dst_level_q <= dst_level;
                 ==>

Branches:

-1-	Status	Tests
1	Covered	T1,T4,T2
0	Covered	T1,T4,T2

Assert Coverage for Instance : tb.dut.u_reg.u_com_pre_sel_ctl_2_cdc.u_arb.gen_passthru.u_dst_to_src_ack

	Total	Attempted	Percent	Succeeded/Matched	Percent
Assertions	2	2	100.00	2	100.00
Cover properties	0	0		0
Cover sequences	0	0		0
Total	2	2	100.00	2	100.00

Assertion Details

Name	Attempts	Real Successes	Failures	Incomplete
DstPulseCheck_A	1237025007	6798	0	0
SrcPulseCheck_M	5045782	6798	0	0

DstPulseCheck_A

Name	Attempts	Real Successes
Total	1237025007	6798
T10	460207	0
T11	335211	0
T24	845686	11
T30	0	11
T31	0	66
T37	0	74
T52	0	63
T55	57704	0
T56	84396	0
T64	50595	0
T65	51023	0
T73	118680	0
T82	34502	0
T85	0	51
T86	0	65
T87	0	51
T88	0	51
T89	0	51
T90	197412	0

SrcPulseCheck_M

Name	Attempts	Real Successes
Total	5045782	6798
T10	1200	0
T11	684	0
T24	7077	11
T30	0	11
T31	0	66
T37	0	74
T52	0	63
T55	461	0
T56	674	0
T64	405	0
T65	425	0
T73	493	0
T82	530	0
T85	0	51
T86	0	65
T87	0	51
T88	0	51
T89	0	51
T90	415	0

Line Coverage for Instance : tb.dut.u_reg.u_com_pre_sel_ctl_3_cdc.u_src_to_dst_req

	Line No.	Total	Covered	Percent
TOTAL		7	7	100.00
ALWAYS	31	3	3	100.00
CONT_ASSIGN	49	0	0
CONT_ASSIGN	52	0	0
ALWAYS	55	0	0
ALWAYS	89	3	3	100.00
CONT_ASSIGN	97	1	1	100.00



30                        always_ff @(posedge clk_src_i or negedge rst_src_ni) begin
31         1/1              if (!rst_src_ni) begin
           Tests:       T1 T4 T2 
32         1/1                src_level <= 1'b0;
           Tests:       T1 T4 T2 
33                          end else begin
34         1/1                src_level <= src_level ^ src_pulse_i;
           Tests:       T1 T4 T2 
35                          end
36                        end
37                      
38                      
39                        // source active must come far enough such that the destination domain has time
40                        // to create a valid pulse.
41                      `ifdef INC_ASSERT
42                        //VCS coverage off
43                        // pragma coverage off
44                      
45                        // source active flag tracks whether there is an ongoing "toggle" event.
46                        // Until this toggle event is accepted by the destination domain (negative edge of
47                        // of the pulse output), the source side cannot toggle again.
48                        logic effective_rst_n;
49         unreachable    assign effective_rst_n = rst_src_ni && dst_pulse_o;
50                      
51                        logic src_active_flag_d, src_active_flag_q;
52         unreachable    assign src_active_flag_d = src_pulse_i || src_active_flag_q;
53                      
54                        always_ff @(posedge clk_src_i or negedge effective_rst_n) begin
55         unreachable      if (!effective_rst_n) begin
56         unreachable        src_active_flag_q <= '0;
57                          end else begin
58         unreachable        src_active_flag_q <= src_active_flag_d;
59                          end
60                        end
61                      
62                        //VCS coverage on
63                        // pragma coverage on
64                      
65                        `ASSERT(SrcPulseCheck_M, src_pulse_i |-> !src_active_flag_q, clk_src_i, !rst_src_ni)
66                      `endif
67                      
68                        //////////////////////////////////////////////////////////
69                        // synchronize level signal to destination clock domain //
70                        //////////////////////////////////////////////////////////
71                        logic dst_level;
72                      
73                        prim_flop_2sync #(.Width(1)) prim_flop_2sync (
74                          // source clock domain
75                          .d_i    (src_level),
76                          // destination clock domain
77                          .clk_i  (clk_dst_i),
78                          .rst_ni (rst_dst_ni),
79                          .q_o    (dst_level)
80                        );
81                      
82                        ////////////////////////////////////////
83                        // convert level signal back to pulse //
84                        ////////////////////////////////////////
85                        logic dst_level_q;
86                      
87                        // delay dst_level by 1 cycle
88                        always_ff @(posedge clk_dst_i or negedge rst_dst_ni) begin
89         1/1              if (!rst_dst_ni) begin
           Tests:       T1 T4 T2 
90         1/1                dst_level_q <= 1'b0;
           Tests:       T1 T4 T2 
91                          end else begin
92         1/1                dst_level_q <= dst_level;
           Tests:       T1 T4 T2 
93                          end
94                        end
95                      
96                        // edge detection
97         1/1            assign dst_pulse_o = dst_level_q ^ dst_level;
           Tests:       T24 T30 T31

Cond Coverage for Instance : tb.dut.u_reg.u_com_pre_sel_ctl_3_cdc.u_src_to_dst_req

	Total	Covered	Percent
Conditions	8	8	100.00
Logical	8	8	100.00
Non-Logical	0	0
Event	0	0

 LINE       34
 EXPRESSION (src_level ^ src_pulse_i)
             ----1----   -----2-----

-1-	-2-	Status	Tests
0	0	Covered	T1,T4,T2
0	1	Covered	T24,T30,T31
1	0	Covered	T24,T30,T31
1	1	Covered	T24,T30,T31

 LINE       97
 EXPRESSION (dst_level_q ^ dst_level)
             -----1-----   ----2----

-1-	-2-	Status	Tests
0	0	Covered	T1,T4,T2
0	1	Covered	T24,T30,T31
1	0	Covered	T24,T30,T31
1	1	Covered	T24,T30,T31

Branch Coverage for Instance : tb.dut.u_reg.u_com_pre_sel_ctl_3_cdc.u_src_to_dst_req

	Line No.	Total	Covered	Percent
Branches		4	4	100.00
IF	31	2	2	100.00
IF	89	2	2	100.00



31             if (!rst_src_ni) begin
               -1-  
32               src_level <= 1'b0;
                 ==>
33             end else begin
34               src_level <= src_level ^ src_pulse_i;
                 ==>

Branches:

-1-	Status	Tests
1	Covered	T1,T4,T2
0	Covered	T1,T4,T2



89             if (!rst_dst_ni) begin
               -1-  
90               dst_level_q <= 1'b0;
                 ==>
91             end else begin
92               dst_level_q <= dst_level;
                 ==>

Branches:

-1-	Status	Tests
1	Covered	T1,T4,T2
0	Covered	T1,T4,T2

Assert Coverage for Instance : tb.dut.u_reg.u_com_pre_sel_ctl_3_cdc.u_src_to_dst_req

	Total	Attempted	Percent	Succeeded/Matched	Percent
Assertions	2	2	100.00	2	100.00
Cover properties	0	0		0
Cover sequences	0	0		0
Total	2	2	100.00	2	100.00

Assertion Details

Name	Attempts	Real Successes	Failures	Incomplete
DstPulseCheck_A	5045782	6892	0	0
SrcPulseCheck_M	1237025007	7004	0	0

DstPulseCheck_A

Name	Attempts	Real Successes
Total	5045782	6892
T10	1200	0
T11	684	0
T24	7077	11
T30	0	11
T31	0	66
T37	0	94
T52	0	73
T55	461	0
T56	674	0
T64	405	0
T65	425	0
T73	493	0
T82	530	0
T85	0	51
T86	0	84
T87	0	51
T88	0	51
T89	0	51
T90	415	0

SrcPulseCheck_M

Name	Attempts	Real Successes
Total	1237025007	7004
T10	460207	0
T11	335211	0
T24	845686	11
T30	0	11
T31	0	66
T37	0	94
T52	0	73
T55	57704	0
T56	84396	0
T64	50595	0
T65	51023	0
T73	118680	0
T82	34502	0
T85	0	51
T86	0	84
T87	0	51
T88	0	51
T89	0	51
T90	197412	0

Line Coverage for Instance : tb.dut.u_reg.u_com_pre_sel_ctl_3_cdc.u_arb.gen_passthru.u_dst_to_src_ack

	Line No.	Total	Covered	Percent
TOTAL		7	7	100.00
ALWAYS	31	3	3	100.00
CONT_ASSIGN	49	0	0
CONT_ASSIGN	52	0	0
ALWAYS	55	0	0
ALWAYS	89	3	3	100.00
CONT_ASSIGN	97	1	1	100.00



30                        always_ff @(posedge clk_src_i or negedge rst_src_ni) begin
31         1/1              if (!rst_src_ni) begin
           Tests:       T1 T4 T2 
32         1/1                src_level <= 1'b0;
           Tests:       T1 T4 T2 
33                          end else begin
34         1/1                src_level <= src_level ^ src_pulse_i;
           Tests:       T1 T4 T2 
35                          end
36                        end
37                      
38                      
39                        // source active must come far enough such that the destination domain has time
40                        // to create a valid pulse.
41                      `ifdef INC_ASSERT
42                        //VCS coverage off
43                        // pragma coverage off
44                      
45                        // source active flag tracks whether there is an ongoing "toggle" event.
46                        // Until this toggle event is accepted by the destination domain (negative edge of
47                        // of the pulse output), the source side cannot toggle again.
48                        logic effective_rst_n;
49         unreachable    assign effective_rst_n = rst_src_ni && dst_pulse_o;
50                      
51                        logic src_active_flag_d, src_active_flag_q;
52         unreachable    assign src_active_flag_d = src_pulse_i || src_active_flag_q;
53                      
54                        always_ff @(posedge clk_src_i or negedge effective_rst_n) begin
55         unreachable      if (!effective_rst_n) begin
56         unreachable        src_active_flag_q <= '0;
57                          end else begin
58         unreachable        src_active_flag_q <= src_active_flag_d;
59                          end
60                        end
61                      
62                        //VCS coverage on
63                        // pragma coverage on
64                      
65                        `ASSERT(SrcPulseCheck_M, src_pulse_i |-> !src_active_flag_q, clk_src_i, !rst_src_ni)
66                      `endif
67                      
68                        //////////////////////////////////////////////////////////
69                        // synchronize level signal to destination clock domain //
70                        //////////////////////////////////////////////////////////
71                        logic dst_level;
72                      
73                        prim_flop_2sync #(.Width(1)) prim_flop_2sync (
74                          // source clock domain
75                          .d_i    (src_level),
76                          // destination clock domain
77                          .clk_i  (clk_dst_i),
78                          .rst_ni (rst_dst_ni),
79                          .q_o    (dst_level)
80                        );
81                      
82                        ////////////////////////////////////////
83                        // convert level signal back to pulse //
84                        ////////////////////////////////////////
85                        logic dst_level_q;
86                      
87                        // delay dst_level by 1 cycle
88                        always_ff @(posedge clk_dst_i or negedge rst_dst_ni) begin
89         1/1              if (!rst_dst_ni) begin
           Tests:       T1 T4 T2 
90         1/1                dst_level_q <= 1'b0;
           Tests:       T1 T4 T2 
91                          end else begin
92         1/1                dst_level_q <= dst_level;
           Tests:       T1 T4 T2 
93                          end
94                        end
95                      
96                        // edge detection
97         1/1            assign dst_pulse_o = dst_level_q ^ dst_level;
           Tests:       T1 T4 T2

Cond Coverage for Instance : tb.dut.u_reg.u_com_pre_sel_ctl_3_cdc.u_arb.gen_passthru.u_dst_to_src_ack

	Total	Covered	Percent
Conditions	8	8	100.00
Logical	8	8	100.00
Non-Logical	0	0
Event	0	0

 LINE       34
 EXPRESSION (src_level ^ src_pulse_i)
             ----1----   -----2-----

-1-	-2-	Status	Tests
0	0	Covered	T1,T4,T2
0	1	Covered	T24,T30,T31
1	0	Covered	T24,T30,T31
1	1	Covered	T24,T30,T31

 LINE       97
 EXPRESSION (dst_level_q ^ dst_level)
             -----1-----   ----2----

-1-	-2-	Status	Tests
0	0	Covered	T1,T4,T2
0	1	Covered	T24,T30,T31
1	0	Covered	T24,T30,T31
1	1	Covered	T24,T30,T31

Branch Coverage for Instance : tb.dut.u_reg.u_com_pre_sel_ctl_3_cdc.u_arb.gen_passthru.u_dst_to_src_ack

	Line No.	Total	Covered	Percent
Branches		4	4	100.00
IF	31	2	2	100.00
IF	89	2	2	100.00



31             if (!rst_src_ni) begin
               -1-  
32               src_level <= 1'b0;
                 ==>
33             end else begin
34               src_level <= src_level ^ src_pulse_i;
                 ==>

Branches:

-1-	Status	Tests
1	Covered	T1,T4,T2
0	Covered	T1,T4,T2



89             if (!rst_dst_ni) begin
               -1-  
90               dst_level_q <= 1'b0;
                 ==>
91             end else begin
92               dst_level_q <= dst_level;
                 ==>

Branches:

-1-	Status	Tests
1	Covered	T1,T4,T2
0	Covered	T1,T4,T2

Assert Coverage for Instance : tb.dut.u_reg.u_com_pre_sel_ctl_3_cdc.u_arb.gen_passthru.u_dst_to_src_ack

	Total	Attempted	Percent	Succeeded/Matched	Percent
Assertions	2	2	100.00	2	100.00
Cover properties	0	0		0
Cover sequences	0	0		0
Total	2	2	100.00	2	100.00

Assertion Details

Name	Attempts	Real Successes	Failures	Incomplete
DstPulseCheck_A	1237025007	6998	0	0
SrcPulseCheck_M	5045782	6998	0	0

DstPulseCheck_A

Name	Attempts	Real Successes
Total	1237025007	6998
T10	460207	0
T11	335211	0
T24	845686	11
T30	0	11
T31	0	66
T37	0	94
T52	0	73
T55	57704	0
T56	84396	0
T64	50595	0
T65	51023	0
T73	118680	0
T82	34502	0
T85	0	51
T86	0	84
T87	0	51
T88	0	51
T89	0	51
T90	197412	0

SrcPulseCheck_M

Name	Attempts	Real Successes
Total	5045782	6998
T10	1200	0
T11	684	0
T24	7077	11
T30	0	11
T31	0	66
T37	0	94
T52	0	73
T55	461	0
T56	674	0
T64	405	0
T65	425	0
T73	493	0
T82	530	0
T85	0	51
T86	0	84
T87	0	51
T88	0	51
T89	0	51
T90	415	0

Line Coverage for Instance : tb.dut.u_reg.u_com_pre_det_ctl_0_cdc.u_src_to_dst_req

	Line No.	Total	Covered	Percent
TOTAL		7	7	100.00
ALWAYS	31	3	3	100.00
CONT_ASSIGN	49	0	0
CONT_ASSIGN	52	0	0
ALWAYS	55	0	0
ALWAYS	89	3	3	100.00
CONT_ASSIGN	97	1	1	100.00



30                        always_ff @(posedge clk_src_i or negedge rst_src_ni) begin
31         1/1              if (!rst_src_ni) begin
           Tests:       T1 T4 T2 
32         1/1                src_level <= 1'b0;
           Tests:       T1 T4 T2 
33                          end else begin
34         1/1                src_level <= src_level ^ src_pulse_i;
           Tests:       T1 T4 T2 
35                          end
36                        end
37                      
38                      
39                        // source active must come far enough such that the destination domain has time
40                        // to create a valid pulse.
41                      `ifdef INC_ASSERT
42                        //VCS coverage off
43                        // pragma coverage off
44                      
45                        // source active flag tracks whether there is an ongoing "toggle" event.
46                        // Until this toggle event is accepted by the destination domain (negative edge of
47                        // of the pulse output), the source side cannot toggle again.
48                        logic effective_rst_n;
49         unreachable    assign effective_rst_n = rst_src_ni && dst_pulse_o;
50                      
51                        logic src_active_flag_d, src_active_flag_q;
52         unreachable    assign src_active_flag_d = src_pulse_i || src_active_flag_q;
53                      
54                        always_ff @(posedge clk_src_i or negedge effective_rst_n) begin
55         unreachable      if (!effective_rst_n) begin
56         unreachable        src_active_flag_q <= '0;
57                          end else begin
58         unreachable        src_active_flag_q <= src_active_flag_d;
59                          end
60                        end
61                      
62                        //VCS coverage on
63                        // pragma coverage on
64                      
65                        `ASSERT(SrcPulseCheck_M, src_pulse_i |-> !src_active_flag_q, clk_src_i, !rst_src_ni)
66                      `endif
67                      
68                        //////////////////////////////////////////////////////////
69                        // synchronize level signal to destination clock domain //
70                        //////////////////////////////////////////////////////////
71                        logic dst_level;
72                      
73                        prim_flop_2sync #(.Width(1)) prim_flop_2sync (
74                          // source clock domain
75                          .d_i    (src_level),
76                          // destination clock domain
77                          .clk_i  (clk_dst_i),
78                          .rst_ni (rst_dst_ni),
79                          .q_o    (dst_level)
80                        );
81                      
82                        ////////////////////////////////////////
83                        // convert level signal back to pulse //
84                        ////////////////////////////////////////
85                        logic dst_level_q;
86                      
87                        // delay dst_level by 1 cycle
88                        always_ff @(posedge clk_dst_i or negedge rst_dst_ni) begin
89         1/1              if (!rst_dst_ni) begin
           Tests:       T1 T4 T2 
90         1/1                dst_level_q <= 1'b0;
           Tests:       T1 T4 T2 
91                          end else begin
92         1/1                dst_level_q <= dst_level;
           Tests:       T1 T4 T2 
93                          end
94                        end
95                      
96                        // edge detection
97         1/1            assign dst_pulse_o = dst_level_q ^ dst_level;
           Tests:       T1 T8 T29

Cond Coverage for Instance : tb.dut.u_reg.u_com_pre_det_ctl_0_cdc.u_src_to_dst_req

	Total	Covered	Percent
Conditions	8	8	100.00
Logical	8	8	100.00
Non-Logical	0	0
Event	0	0

 LINE       34
 EXPRESSION (src_level ^ src_pulse_i)
             ----1----   -----2-----

-1-	-2-	Status	Tests
0	0	Covered	T1,T4,T2
0	1	Covered	T1,T8,T29
1	0	Covered	T1,T8,T29
1	1	Covered	T24,T30,T274

 LINE       97
 EXPRESSION (dst_level_q ^ dst_level)
             -----1-----   ----2----

-1-	-2-	Status	Tests
0	0	Covered	T1,T4,T2
0	1	Covered	T1,T8,T29
1	0	Covered	T24,T30,T274
1	1	Covered	T1,T8,T29

Branch Coverage for Instance : tb.dut.u_reg.u_com_pre_det_ctl_0_cdc.u_src_to_dst_req

	Line No.	Total	Covered	Percent
Branches		4	4	100.00
IF	31	2	2	100.00
IF	89	2	2	100.00



31             if (!rst_src_ni) begin
               -1-  
32               src_level <= 1'b0;
                 ==>
33             end else begin
34               src_level <= src_level ^ src_pulse_i;
                 ==>

Branches:

-1-	Status	Tests
1	Covered	T1,T4,T2
0	Covered	T1,T4,T2



89             if (!rst_dst_ni) begin
               -1-  
90               dst_level_q <= 1'b0;
                 ==>
91             end else begin
92               dst_level_q <= dst_level;
                 ==>

Branches:

-1-	Status	Tests
1	Covered	T1,T4,T2
0	Covered	T1,T4,T2

Assert Coverage for Instance : tb.dut.u_reg.u_com_pre_det_ctl_0_cdc.u_src_to_dst_req

	Total	Attempted	Percent	Succeeded/Matched	Percent
Assertions	2	2	100.00	2	100.00
Cover properties	0	0		0
Cover sequences	0	0		0
Total	2	2	100.00	2	100.00

Assertion Details

Name	Attempts	Real Successes	Failures	Incomplete
DstPulseCheck_A	5045782	1188	0	0
SrcPulseCheck_M	1237025007	1298	0	0

DstPulseCheck_A

Name	Attempts	Real Successes
Total	5045782	1188
T1	509	1
T2	485	0
T3	1755	0
T4	510	0
T8	0	1
T12	450	0
T13	422	0
T14	761	0
T15	492	0
T16	670	0
T17	408	0
T24	0	9
T29	0	1
T30	0	9
T31	0	4
T37	0	8
T55	0	1
T84	0	1
T85	0	1

SrcPulseCheck_M

Name	Attempts	Real Successes
Total	1237025007	1298
T1	63618	1
T2	118961	0
T3	117509	0
T4	30650	0
T8	0	1
T12	51830	0
T13	211429	0
T14	91412	0
T15	243722	0
T16	160902	0
T17	32710	0
T24	0	9
T29	0	1
T30	0	9
T31	0	4
T37	0	8
T55	0	1
T84	0	1
T85	0	1

Line Coverage for Instance : tb.dut.u_reg.u_com_pre_det_ctl_0_cdc.u_arb.gen_passthru.u_dst_to_src_ack

	Line No.	Total	Covered	Percent
TOTAL		7	7	100.00
ALWAYS	31	3	3	100.00
CONT_ASSIGN	49	0	0
CONT_ASSIGN	52	0	0
ALWAYS	55	0	0
ALWAYS	89	3	3	100.00
CONT_ASSIGN	97	1	1	100.00



30                        always_ff @(posedge clk_src_i or negedge rst_src_ni) begin
31         1/1              if (!rst_src_ni) begin
           Tests:       T1 T4 T2 
32         1/1                src_level <= 1'b0;
           Tests:       T1 T4 T2 
33                          end else begin
34         1/1                src_level <= src_level ^ src_pulse_i;
           Tests:       T1 T4 T2 
35                          end
36                        end
37                      
38                      
39                        // source active must come far enough such that the destination domain has time
40                        // to create a valid pulse.
41                      `ifdef INC_ASSERT
42                        //VCS coverage off
43                        // pragma coverage off
44                      
45                        // source active flag tracks whether there is an ongoing "toggle" event.
46                        // Until this toggle event is accepted by the destination domain (negative edge of
47                        // of the pulse output), the source side cannot toggle again.
48                        logic effective_rst_n;
49         unreachable    assign effective_rst_n = rst_src_ni && dst_pulse_o;
50                      
51                        logic src_active_flag_d, src_active_flag_q;
52         unreachable    assign src_active_flag_d = src_pulse_i || src_active_flag_q;
53                      
54                        always_ff @(posedge clk_src_i or negedge effective_rst_n) begin
55         unreachable      if (!effective_rst_n) begin
56         unreachable        src_active_flag_q <= '0;
57                          end else begin
58         unreachable        src_active_flag_q <= src_active_flag_d;
59                          end
60                        end
61                      
62                        //VCS coverage on
63                        // pragma coverage on
64                      
65                        `ASSERT(SrcPulseCheck_M, src_pulse_i |-> !src_active_flag_q, clk_src_i, !rst_src_ni)
66                      `endif
67                      
68                        //////////////////////////////////////////////////////////
69                        // synchronize level signal to destination clock domain //
70                        //////////////////////////////////////////////////////////
71                        logic dst_level;
72                      
73                        prim_flop_2sync #(.Width(1)) prim_flop_2sync (
74                          // source clock domain
75                          .d_i    (src_level),
76                          // destination clock domain
77                          .clk_i  (clk_dst_i),
78                          .rst_ni (rst_dst_ni),
79                          .q_o    (dst_level)
80                        );
81                      
82                        ////////////////////////////////////////
83                        // convert level signal back to pulse //
84                        ////////////////////////////////////////
85                        logic dst_level_q;
86                      
87                        // delay dst_level by 1 cycle
88                        always_ff @(posedge clk_dst_i or negedge rst_dst_ni) begin
89         1/1              if (!rst_dst_ni) begin
           Tests:       T1 T4 T2 
90         1/1                dst_level_q <= 1'b0;
           Tests:       T1 T4 T2 
91                          end else begin
92         1/1                dst_level_q <= dst_level;
           Tests:       T1 T4 T2 
93                          end
94                        end
95                      
96                        // edge detection
97         1/1            assign dst_pulse_o = dst_level_q ^ dst_level;
           Tests:       T1 T4 T2

Cond Coverage for Instance : tb.dut.u_reg.u_com_pre_det_ctl_0_cdc.u_arb.gen_passthru.u_dst_to_src_ack

	Total	Covered	Percent
Conditions	8	8	100.00
Logical	8	8	100.00
Non-Logical	0	0
Event	0	0

 LINE       34
 EXPRESSION (src_level ^ src_pulse_i)
             ----1----   -----2-----

-1-	-2-	Status	Tests
0	0	Covered	T1,T4,T2
0	1	Covered	T1,T8,T29
1	0	Covered	T1,T8,T29
1	1	Covered	T24,T30,T274

 LINE       97
 EXPRESSION (dst_level_q ^ dst_level)
             -----1-----   ----2----

-1-	-2-	Status	Tests
0	0	Covered	T1,T4,T2
0	1	Covered	T1,T8,T29
1	0	Covered	T24,T30,T274
1	1	Covered	T1,T8,T29

Branch Coverage for Instance : tb.dut.u_reg.u_com_pre_det_ctl_0_cdc.u_arb.gen_passthru.u_dst_to_src_ack

	Line No.	Total	Covered	Percent
Branches		4	4	100.00
IF	31	2	2	100.00
IF	89	2	2	100.00



31             if (!rst_src_ni) begin
               -1-  
32               src_level <= 1'b0;
                 ==>
33             end else begin
34               src_level <= src_level ^ src_pulse_i;
                 ==>

Branches:

-1-	Status	Tests
1	Covered	T1,T4,T2
0	Covered	T1,T4,T2



89             if (!rst_dst_ni) begin
               -1-  
90               dst_level_q <= 1'b0;
                 ==>
91             end else begin
92               dst_level_q <= dst_level;
                 ==>

Branches:

-1-	Status	Tests
1	Covered	T1,T4,T2
0	Covered	T1,T4,T2

Assert Coverage for Instance : tb.dut.u_reg.u_com_pre_det_ctl_0_cdc.u_arb.gen_passthru.u_dst_to_src_ack

	Total	Attempted	Percent	Succeeded/Matched	Percent
Assertions	2	2	100.00	2	100.00
Cover properties	0	0		0
Cover sequences	0	0		0
Total	2	2	100.00	2	100.00

Assertion Details

Name	Attempts	Real Successes	Failures	Incomplete
DstPulseCheck_A	1237025007	1292	0	0
SrcPulseCheck_M	5045782	1292	0	0

DstPulseCheck_A

Name	Attempts	Real Successes
Total	1237025007	1292
T1	63618	1
T2	118961	0
T3	117509	0
T4	30650	0
T8	0	1
T12	51830	0
T13	211429	0
T14	91412	0
T15	243722	0
T16	160902	0
T17	32710	0
T24	0	9
T29	0	1
T30	0	9
T31	0	4
T37	0	8
T55	0	1
T84	0	1
T85	0	1

SrcPulseCheck_M

Name	Attempts	Real Successes
Total	5045782	1292
T1	509	1
T2	485	0
T3	1755	0
T4	510	0
T8	0	1
T12	450	0
T13	422	0
T14	761	0
T15	492	0
T16	670	0
T17	408	0
T24	0	9
T29	0	1
T30	0	9
T31	0	4
T37	0	8
T55	0	1
T84	0	1
T85	0	1

Line Coverage for Instance : tb.dut.u_reg.u_com_pre_det_ctl_1_cdc.u_src_to_dst_req

	Line No.	Total	Covered	Percent
TOTAL		7	7	100.00
ALWAYS	31	3	3	100.00
CONT_ASSIGN	49	0	0
CONT_ASSIGN	52	0	0
ALWAYS	55	0	0
ALWAYS	89	3	3	100.00
CONT_ASSIGN	97	1	1	100.00



30                        always_ff @(posedge clk_src_i or negedge rst_src_ni) begin
31         1/1              if (!rst_src_ni) begin
           Tests:       T1 T4 T2 
32         1/1                src_level <= 1'b0;
           Tests:       T1 T4 T2 
33                          end else begin
34         1/1                src_level <= src_level ^ src_pulse_i;
           Tests:       T1 T4 T2 
35                          end
36                        end
37                      
38                      
39                        // source active must come far enough such that the destination domain has time
40                        // to create a valid pulse.
41                      `ifdef INC_ASSERT
42                        //VCS coverage off
43                        // pragma coverage off
44                      
45                        // source active flag tracks whether there is an ongoing "toggle" event.
46                        // Until this toggle event is accepted by the destination domain (negative edge of
47                        // of the pulse output), the source side cannot toggle again.
48                        logic effective_rst_n;
49         unreachable    assign effective_rst_n = rst_src_ni && dst_pulse_o;
50                      
51                        logic src_active_flag_d, src_active_flag_q;
52         unreachable    assign src_active_flag_d = src_pulse_i || src_active_flag_q;
53                      
54                        always_ff @(posedge clk_src_i or negedge effective_rst_n) begin
55         unreachable      if (!effective_rst_n) begin
56         unreachable        src_active_flag_q <= '0;
57                          end else begin
58         unreachable        src_active_flag_q <= src_active_flag_d;
59                          end
60                        end
61                      
62                        //VCS coverage on
63                        // pragma coverage on
64                      
65                        `ASSERT(SrcPulseCheck_M, src_pulse_i |-> !src_active_flag_q, clk_src_i, !rst_src_ni)
66                      `endif
67                      
68                        //////////////////////////////////////////////////////////
69                        // synchronize level signal to destination clock domain //
70                        //////////////////////////////////////////////////////////
71                        logic dst_level;
72                      
73                        prim_flop_2sync #(.Width(1)) prim_flop_2sync (
74                          // source clock domain
75                          .d_i    (src_level),
76                          // destination clock domain
77                          .clk_i  (clk_dst_i),
78                          .rst_ni (rst_dst_ni),
79                          .q_o    (dst_level)
80                        );
81                      
82                        ////////////////////////////////////////
83                        // convert level signal back to pulse //
84                        ////////////////////////////////////////
85                        logic dst_level_q;
86                      
87                        // delay dst_level by 1 cycle
88                        always_ff @(posedge clk_dst_i or negedge rst_dst_ni) begin
89         1/1              if (!rst_dst_ni) begin
           Tests:       T1 T4 T2 
90         1/1                dst_level_q <= 1'b0;
           Tests:       T1 T4 T2 
91                          end else begin
92         1/1                dst_level_q <= dst_level;
           Tests:       T1 T4 T2 
93                          end
94                        end
95                      
96                        // edge detection
97         1/1            assign dst_pulse_o = dst_level_q ^ dst_level;
           Tests:       T24 T30 T31

Cond Coverage for Instance : tb.dut.u_reg.u_com_pre_det_ctl_1_cdc.u_src_to_dst_req

	Total	Covered	Percent
Conditions	8	8	100.00
Logical	8	8	100.00
Non-Logical	0	0
Event	0	0

 LINE       34
 EXPRESSION (src_level ^ src_pulse_i)
             ----1----   -----2-----

-1-	-2-	Status	Tests
0	0	Covered	T1,T4,T2
0	1	Covered	T24,T30,T31
1	0	Covered	T24,T30,T31
1	1	Covered	T24,T30,T274

 LINE       97
 EXPRESSION (dst_level_q ^ dst_level)
             -----1-----   ----2----

-1-	-2-	Status	Tests
0	0	Covered	T1,T4,T2
0	1	Covered	T24,T30,T31
1	0	Covered	T24,T30,T274
1	1	Covered	T24,T30,T31

Branch Coverage for Instance : tb.dut.u_reg.u_com_pre_det_ctl_1_cdc.u_src_to_dst_req

	Line No.	Total	Covered	Percent
Branches		4	4	100.00
IF	31	2	2	100.00
IF	89	2	2	100.00



31             if (!rst_src_ni) begin
               -1-  
32               src_level <= 1'b0;
                 ==>
33             end else begin
34               src_level <= src_level ^ src_pulse_i;
                 ==>

Branches:

-1-	Status	Tests
1	Covered	T1,T4,T2
0	Covered	T1,T4,T2



89             if (!rst_dst_ni) begin
               -1-  
90               dst_level_q <= 1'b0;
                 ==>
91             end else begin
92               dst_level_q <= dst_level;
                 ==>

Branches:

-1-	Status	Tests
1	Covered	T1,T4,T2
0	Covered	T1,T4,T2

Assert Coverage for Instance : tb.dut.u_reg.u_com_pre_det_ctl_1_cdc.u_src_to_dst_req

	Total	Attempted	Percent	Succeeded/Matched	Percent
Assertions	2	2	100.00	2	100.00
Cover properties	0	0		0
Cover sequences	0	0		0
Total	2	2	100.00	2	100.00

Assertion Details

Name	Attempts	Real Successes	Failures	Incomplete
DstPulseCheck_A	5045782	1146	0	0
SrcPulseCheck_M	1237025007	1257	0	0

DstPulseCheck_A

Name	Attempts	Real Successes
Total	5045782	1146
T10	1200	0
T11	684	0
T24	7077	9
T30	0	9
T31	0	4
T37	0	8
T52	0	6
T55	461	0
T56	674	0
T64	405	0
T65	425	0
T73	493	0
T82	530	0
T85	0	1
T86	0	3
T87	0	1
T88	0	1
T89	0	1
T90	415	0

SrcPulseCheck_M

Name	Attempts	Real Successes
Total	1237025007	1257
T10	460207	0
T11	335211	0
T24	845686	9
T30	0	9
T31	0	4
T37	0	8
T52	0	6
T55	57704	0
T56	84396	0
T64	50595	0
T65	51023	0
T73	118680	0
T82	34502	0
T85	0	1
T86	0	3
T87	0	1
T88	0	1
T89	0	1
T90	197412	0

Line Coverage for Instance : tb.dut.u_reg.u_com_pre_det_ctl_1_cdc.u_arb.gen_passthru.u_dst_to_src_ack

	Line No.	Total	Covered	Percent
TOTAL		7	7	100.00
ALWAYS	31	3	3	100.00
CONT_ASSIGN	49	0	0
CONT_ASSIGN	52	0	0
ALWAYS	55	0	0
ALWAYS	89	3	3	100.00
CONT_ASSIGN	97	1	1	100.00



30                        always_ff @(posedge clk_src_i or negedge rst_src_ni) begin
31         1/1              if (!rst_src_ni) begin
           Tests:       T1 T4 T2 
32         1/1                src_level <= 1'b0;
           Tests:       T1 T4 T2 
33                          end else begin
34         1/1                src_level <= src_level ^ src_pulse_i;
           Tests:       T1 T4 T2 
35                          end
36                        end
37                      
38                      
39                        // source active must come far enough such that the destination domain has time
40                        // to create a valid pulse.
41                      `ifdef INC_ASSERT
42                        //VCS coverage off
43                        // pragma coverage off
44                      
45                        // source active flag tracks whether there is an ongoing "toggle" event.
46                        // Until this toggle event is accepted by the destination domain (negative edge of
47                        // of the pulse output), the source side cannot toggle again.
48                        logic effective_rst_n;
49         unreachable    assign effective_rst_n = rst_src_ni && dst_pulse_o;
50                      
51                        logic src_active_flag_d, src_active_flag_q;
52         unreachable    assign src_active_flag_d = src_pulse_i || src_active_flag_q;
53                      
54                        always_ff @(posedge clk_src_i or negedge effective_rst_n) begin
55         unreachable      if (!effective_rst_n) begin
56         unreachable        src_active_flag_q <= '0;
57                          end else begin
58         unreachable        src_active_flag_q <= src_active_flag_d;
59                          end
60                        end
61                      
62                        //VCS coverage on
63                        // pragma coverage on
64                      
65                        `ASSERT(SrcPulseCheck_M, src_pulse_i |-> !src_active_flag_q, clk_src_i, !rst_src_ni)
66                      `endif
67                      
68                        //////////////////////////////////////////////////////////
69                        // synchronize level signal to destination clock domain //
70                        //////////////////////////////////////////////////////////
71                        logic dst_level;
72                      
73                        prim_flop_2sync #(.Width(1)) prim_flop_2sync (
74                          // source clock domain
75                          .d_i    (src_level),
76                          // destination clock domain
77                          .clk_i  (clk_dst_i),
78                          .rst_ni (rst_dst_ni),
79                          .q_o    (dst_level)
80                        );
81                      
82                        ////////////////////////////////////////
83                        // convert level signal back to pulse //
84                        ////////////////////////////////////////
85                        logic dst_level_q;
86                      
87                        // delay dst_level by 1 cycle
88                        always_ff @(posedge clk_dst_i or negedge rst_dst_ni) begin
89         1/1              if (!rst_dst_ni) begin
           Tests:       T1 T4 T2 
90         1/1                dst_level_q <= 1'b0;
           Tests:       T1 T4 T2 
91                          end else begin
92         1/1                dst_level_q <= dst_level;
           Tests:       T1 T4 T2 
93                          end
94                        end
95                      
96                        // edge detection
97         1/1            assign dst_pulse_o = dst_level_q ^ dst_level;
           Tests:       T1 T4 T2

Cond Coverage for Instance : tb.dut.u_reg.u_com_pre_det_ctl_1_cdc.u_arb.gen_passthru.u_dst_to_src_ack

	Total	Covered	Percent
Conditions	8	8	100.00
Logical	8	8	100.00
Non-Logical	0	0
Event	0	0

 LINE       34
 EXPRESSION (src_level ^ src_pulse_i)
             ----1----   -----2-----

-1-	-2-	Status	Tests
0	0	Covered	T1,T4,T2
0	1	Covered	T24,T30,T31
1	0	Covered	T24,T30,T31
1	1	Covered	T24,T30,T274

 LINE       97
 EXPRESSION (dst_level_q ^ dst_level)
             -----1-----   ----2----

-1-	-2-	Status	Tests
0	0	Covered	T1,T4,T2
0	1	Covered	T24,T30,T31
1	0	Covered	T24,T30,T274
1	1	Covered	T24,T30,T31

Branch Coverage for Instance : tb.dut.u_reg.u_com_pre_det_ctl_1_cdc.u_arb.gen_passthru.u_dst_to_src_ack

	Line No.	Total	Covered	Percent
Branches		4	4	100.00
IF	31	2	2	100.00
IF	89	2	2	100.00



31             if (!rst_src_ni) begin
               -1-  
32               src_level <= 1'b0;
                 ==>
33             end else begin
34               src_level <= src_level ^ src_pulse_i;
                 ==>

Branches:

-1-	Status	Tests
1	Covered	T1,T4,T2
0	Covered	T1,T4,T2



89             if (!rst_dst_ni) begin
               -1-  
90               dst_level_q <= 1'b0;
                 ==>
91             end else begin
92               dst_level_q <= dst_level;
                 ==>

Branches:

-1-	Status	Tests
1	Covered	T1,T4,T2
0	Covered	T1,T4,T2

Assert Coverage for Instance : tb.dut.u_reg.u_com_pre_det_ctl_1_cdc.u_arb.gen_passthru.u_dst_to_src_ack

	Total	Attempted	Percent	Succeeded/Matched	Percent
Assertions	2	2	100.00	2	100.00
Cover properties	0	0		0
Cover sequences	0	0		0
Total	2	2	100.00	2	100.00

Assertion Details

Name	Attempts	Real Successes	Failures	Incomplete
DstPulseCheck_A	1237025007	1252	0	0
SrcPulseCheck_M	5045782	1252	0	0

DstPulseCheck_A

Name	Attempts	Real Successes
Total	1237025007	1252
T10	460207	0
T11	335211	0
T24	845686	9
T30	0	9
T31	0	4
T37	0	8
T52	0	6
T55	57704	0
T56	84396	0
T64	50595	0
T65	51023	0
T73	118680	0
T82	34502	0
T85	0	1
T86	0	3
T87	0	1
T88	0	1
T89	0	1
T90	197412	0

SrcPulseCheck_M

Name	Attempts	Real Successes
Total	5045782	1252
T10	1200	0
T11	684	0
T24	7077	9
T30	0	9
T31	0	4
T37	0	8
T52	0	6
T55	461	0
T56	674	0
T64	405	0
T65	425	0
T73	493	0
T82	530	0
T85	0	1
T86	0	3
T87	0	1
T88	0	1
T89	0	1
T90	415	0

Line Coverage for Instance : tb.dut.u_reg.u_com_pre_det_ctl_2_cdc.u_src_to_dst_req

	Line No.	Total	Covered	Percent
TOTAL		7	7	100.00
ALWAYS	31	3	3	100.00
CONT_ASSIGN	49	0	0
CONT_ASSIGN	52	0	0
ALWAYS	55	0	0
ALWAYS	89	3	3	100.00
CONT_ASSIGN	97	1	1	100.00



30                        always_ff @(posedge clk_src_i or negedge rst_src_ni) begin
31         1/1              if (!rst_src_ni) begin
           Tests:       T1 T4 T2 
32         1/1                src_level <= 1'b0;
           Tests:       T1 T4 T2 
33                          end else begin
34         1/1                src_level <= src_level ^ src_pulse_i;
           Tests:       T1 T4 T2 
35                          end
36                        end
37                      
38                      
39                        // source active must come far enough such that the destination domain has time
40                        // to create a valid pulse.
41                      `ifdef INC_ASSERT
42                        //VCS coverage off
43                        // pragma coverage off
44                      
45                        // source active flag tracks whether there is an ongoing "toggle" event.
46                        // Until this toggle event is accepted by the destination domain (negative edge of
47                        // of the pulse output), the source side cannot toggle again.
48                        logic effective_rst_n;
49         unreachable    assign effective_rst_n = rst_src_ni && dst_pulse_o;
50                      
51                        logic src_active_flag_d, src_active_flag_q;
52         unreachable    assign src_active_flag_d = src_pulse_i || src_active_flag_q;
53                      
54                        always_ff @(posedge clk_src_i or negedge effective_rst_n) begin
55         unreachable      if (!effective_rst_n) begin
56         unreachable        src_active_flag_q <= '0;
57                          end else begin
58         unreachable        src_active_flag_q <= src_active_flag_d;
59                          end
60                        end
61                      
62                        //VCS coverage on
63                        // pragma coverage on
64                      
65                        `ASSERT(SrcPulseCheck_M, src_pulse_i |-> !src_active_flag_q, clk_src_i, !rst_src_ni)
66                      `endif
67                      
68                        //////////////////////////////////////////////////////////
69                        // synchronize level signal to destination clock domain //
70                        //////////////////////////////////////////////////////////
71                        logic dst_level;
72                      
73                        prim_flop_2sync #(.Width(1)) prim_flop_2sync (
74                          // source clock domain
75                          .d_i    (src_level),
76                          // destination clock domain
77                          .clk_i  (clk_dst_i),
78                          .rst_ni (rst_dst_ni),
79                          .q_o    (dst_level)
80                        );
81                      
82                        ////////////////////////////////////////
83                        // convert level signal back to pulse //
84                        ////////////////////////////////////////
85                        logic dst_level_q;
86                      
87                        // delay dst_level by 1 cycle
88                        always_ff @(posedge clk_dst_i or negedge rst_dst_ni) begin
89         1/1              if (!rst_dst_ni) begin
           Tests:       T1 T4 T2 
90         1/1                dst_level_q <= 1'b0;
           Tests:       T1 T4 T2 
91                          end else begin
92         1/1                dst_level_q <= dst_level;
           Tests:       T1 T4 T2 
93                          end
94                        end
95                      
96                        // edge detection
97         1/1            assign dst_pulse_o = dst_level_q ^ dst_level;
           Tests:       T24 T30 T31

Cond Coverage for Instance : tb.dut.u_reg.u_com_pre_det_ctl_2_cdc.u_src_to_dst_req

	Total	Covered	Percent
Conditions	8	8	100.00
Logical	8	8	100.00
Non-Logical	0	0
Event	0	0

 LINE       34
 EXPRESSION (src_level ^ src_pulse_i)
             ----1----   -----2-----

-1-	-2-	Status	Tests
0	0	Covered	T1,T4,T2
0	1	Covered	T24,T30,T31
1	0	Covered	T24,T30,T31
1	1	Covered	T24,T30,T274

 LINE       97
 EXPRESSION (dst_level_q ^ dst_level)
             -----1-----   ----2----

-1-	-2-	Status	Tests
0	0	Covered	T1,T4,T2
0	1	Covered	T24,T30,T31
1	0	Covered	T24,T30,T274
1	1	Covered	T24,T30,T31

Branch Coverage for Instance : tb.dut.u_reg.u_com_pre_det_ctl_2_cdc.u_src_to_dst_req

	Line No.	Total	Covered	Percent
Branches		4	4	100.00
IF	31	2	2	100.00
IF	89	2	2	100.00



31             if (!rst_src_ni) begin
               -1-  
32               src_level <= 1'b0;
                 ==>
33             end else begin
34               src_level <= src_level ^ src_pulse_i;
                 ==>

Branches:

-1-	Status	Tests
1	Covered	T1,T4,T2
0	Covered	T1,T4,T2



89             if (!rst_dst_ni) begin
               -1-  
90               dst_level_q <= 1'b0;
                 ==>
91             end else begin
92               dst_level_q <= dst_level;
                 ==>

Branches:

-1-	Status	Tests
1	Covered	T1,T4,T2
0	Covered	T1,T4,T2

Assert Coverage for Instance : tb.dut.u_reg.u_com_pre_det_ctl_2_cdc.u_src_to_dst_req

	Total	Attempted	Percent	Succeeded/Matched	Percent
Assertions	2	2	100.00	2	100.00
Cover properties	0	0		0
Cover sequences	0	0		0
Total	2	2	100.00	2	100.00

Assertion Details

Name	Attempts	Real Successes	Failures	Incomplete
DstPulseCheck_A	5045782	1098	0	0
SrcPulseCheck_M	1237025007	1209	0	0

DstPulseCheck_A

Name	Attempts	Real Successes
Total	5045782	1098
T10	1200	0
T11	684	0
T24	7077	9
T30	0	9
T31	0	4
T37	0	8
T52	0	6
T55	461	0
T56	674	0
T64	405	0
T65	425	0
T73	493	0
T82	530	0
T85	0	1
T86	0	3
T87	0	1
T88	0	1
T89	0	1
T90	415	0

SrcPulseCheck_M

Name	Attempts	Real Successes
Total	1237025007	1209
T10	460207	0
T11	335211	0
T24	845686	9
T30	0	9
T31	0	4
T37	0	8
T52	0	6
T55	57704	0
T56	84396	0
T64	50595	0
T65	51023	0
T73	118680	0
T82	34502	0
T85	0	1
T86	0	3
T87	0	1
T88	0	1
T89	0	1
T90	197412	0

Line Coverage for Instance : tb.dut.u_reg.u_com_pre_det_ctl_2_cdc.u_arb.gen_passthru.u_dst_to_src_ack

	Line No.	Total	Covered	Percent
TOTAL		7	7	100.00
ALWAYS	31	3	3	100.00
CONT_ASSIGN	49	0	0
CONT_ASSIGN	52	0	0
ALWAYS	55	0	0
ALWAYS	89	3	3	100.00
CONT_ASSIGN	97	1	1	100.00



30                        always_ff @(posedge clk_src_i or negedge rst_src_ni) begin
31         1/1              if (!rst_src_ni) begin
           Tests:       T1 T4 T2 
32         1/1                src_level <= 1'b0;
           Tests:       T1 T4 T2 
33                          end else begin
34         1/1                src_level <= src_level ^ src_pulse_i;
           Tests:       T1 T4 T2 
35                          end
36                        end
37                      
38                      
39                        // source active must come far enough such that the destination domain has time
40                        // to create a valid pulse.
41                      `ifdef INC_ASSERT
42                        //VCS coverage off
43                        // pragma coverage off
44                      
45                        // source active flag tracks whether there is an ongoing "toggle" event.
46                        // Until this toggle event is accepted by the destination domain (negative edge of
47                        // of the pulse output), the source side cannot toggle again.
48                        logic effective_rst_n;
49         unreachable    assign effective_rst_n = rst_src_ni && dst_pulse_o;
50                      
51                        logic src_active_flag_d, src_active_flag_q;
52         unreachable    assign src_active_flag_d = src_pulse_i || src_active_flag_q;
53                      
54                        always_ff @(posedge clk_src_i or negedge effective_rst_n) begin
55         unreachable      if (!effective_rst_n) begin
56         unreachable        src_active_flag_q <= '0;
57                          end else begin
58         unreachable        src_active_flag_q <= src_active_flag_d;
59                          end
60                        end
61                      
62                        //VCS coverage on
63                        // pragma coverage on
64                      
65                        `ASSERT(SrcPulseCheck_M, src_pulse_i |-> !src_active_flag_q, clk_src_i, !rst_src_ni)
66                      `endif
67                      
68                        //////////////////////////////////////////////////////////
69                        // synchronize level signal to destination clock domain //
70                        //////////////////////////////////////////////////////////
71                        logic dst_level;
72                      
73                        prim_flop_2sync #(.Width(1)) prim_flop_2sync (
74                          // source clock domain
75                          .d_i    (src_level),
76                          // destination clock domain
77                          .clk_i  (clk_dst_i),
78                          .rst_ni (rst_dst_ni),
79                          .q_o    (dst_level)
80                        );
81                      
82                        ////////////////////////////////////////
83                        // convert level signal back to pulse //
84                        ////////////////////////////////////////
85                        logic dst_level_q;
86                      
87                        // delay dst_level by 1 cycle
88                        always_ff @(posedge clk_dst_i or negedge rst_dst_ni) begin
89         1/1              if (!rst_dst_ni) begin
           Tests:       T1 T4 T2 
90         1/1                dst_level_q <= 1'b0;
           Tests:       T1 T4 T2 
91                          end else begin
92         1/1                dst_level_q <= dst_level;
           Tests:       T1 T4 T2 
93                          end
94                        end
95                      
96                        // edge detection
97         1/1            assign dst_pulse_o = dst_level_q ^ dst_level;
           Tests:       T1 T4 T2

Cond Coverage for Instance : tb.dut.u_reg.u_com_pre_det_ctl_2_cdc.u_arb.gen_passthru.u_dst_to_src_ack

	Total	Covered	Percent
Conditions	8	8	100.00
Logical	8	8	100.00
Non-Logical	0	0
Event	0	0

 LINE       34
 EXPRESSION (src_level ^ src_pulse_i)
             ----1----   -----2-----

-1-	-2-	Status	Tests
0	0	Covered	T1,T4,T2
0	1	Covered	T24,T30,T31
1	0	Covered	T24,T30,T31
1	1	Covered	T24,T30,T274

 LINE       97
 EXPRESSION (dst_level_q ^ dst_level)
             -----1-----   ----2----

-1-	-2-	Status	Tests
0	0	Covered	T1,T4,T2
0	1	Covered	T24,T30,T31
1	0	Covered	T24,T30,T274
1	1	Covered	T24,T30,T31

Branch Coverage for Instance : tb.dut.u_reg.u_com_pre_det_ctl_2_cdc.u_arb.gen_passthru.u_dst_to_src_ack

	Line No.	Total	Covered	Percent
Branches		4	4	100.00
IF	31	2	2	100.00
IF	89	2	2	100.00



31             if (!rst_src_ni) begin
               -1-  
32               src_level <= 1'b0;
                 ==>
33             end else begin
34               src_level <= src_level ^ src_pulse_i;
                 ==>

Branches:

-1-	Status	Tests
1	Covered	T1,T4,T2
0	Covered	T1,T4,T2



89             if (!rst_dst_ni) begin
               -1-  
90               dst_level_q <= 1'b0;
                 ==>
91             end else begin
92               dst_level_q <= dst_level;
                 ==>

Branches:

-1-	Status	Tests
1	Covered	T1,T4,T2
0	Covered	T1,T4,T2

Assert Coverage for Instance : tb.dut.u_reg.u_com_pre_det_ctl_2_cdc.u_arb.gen_passthru.u_dst_to_src_ack

	Total	Attempted	Percent	Succeeded/Matched	Percent
Assertions	2	2	100.00	2	100.00
Cover properties	0	0		0
Cover sequences	0	0		0
Total	2	2	100.00	2	100.00

Assertion Details

Name	Attempts	Real Successes	Failures	Incomplete
DstPulseCheck_A	1237025007	1202	0	0
SrcPulseCheck_M	5045782	1202	0	0

DstPulseCheck_A

Name	Attempts	Real Successes
Total	1237025007	1202
T10	460207	0
T11	335211	0
T24	845686	9
T30	0	9
T31	0	4
T37	0	8
T52	0	6
T55	57704	0
T56	84396	0
T64	50595	0
T65	51023	0
T73	118680	0
T82	34502	0
T85	0	1
T86	0	3
T87	0	1
T88	0	1
T89	0	1
T90	197412	0

SrcPulseCheck_M

Name	Attempts	Real Successes
Total	5045782	1202
T10	1200	0
T11	684	0
T24	7077	9
T30	0	9
T31	0	4
T37	0	8
T52	0	6
T55	461	0
T56	674	0
T64	405	0
T65	425	0
T73	493	0
T82	530	0
T85	0	1
T86	0	3
T87	0	1
T88	0	1
T89	0	1
T90	415	0

Line Coverage for Instance : tb.dut.u_reg.u_com_pre_det_ctl_3_cdc.u_src_to_dst_req

	Line No.	Total	Covered	Percent
TOTAL		7	7	100.00
ALWAYS	31	3	3	100.00
CONT_ASSIGN	49	0	0
CONT_ASSIGN	52	0	0
ALWAYS	55	0	0
ALWAYS	89	3	3	100.00
CONT_ASSIGN	97	1	1	100.00



30                        always_ff @(posedge clk_src_i or negedge rst_src_ni) begin
31         1/1              if (!rst_src_ni) begin
           Tests:       T1 T4 T2 
32         1/1                src_level <= 1'b0;
           Tests:       T1 T4 T2 
33                          end else begin
34         1/1                src_level <= src_level ^ src_pulse_i;
           Tests:       T1 T4 T2 
35                          end
36                        end
37                      
38                      
39                        // source active must come far enough such that the destination domain has time
40                        // to create a valid pulse.
41                      `ifdef INC_ASSERT
42                        //VCS coverage off
43                        // pragma coverage off
44                      
45                        // source active flag tracks whether there is an ongoing "toggle" event.
46                        // Until this toggle event is accepted by the destination domain (negative edge of
47                        // of the pulse output), the source side cannot toggle again.
48                        logic effective_rst_n;
49         unreachable    assign effective_rst_n = rst_src_ni && dst_pulse_o;
50                      
51                        logic src_active_flag_d, src_active_flag_q;
52         unreachable    assign src_active_flag_d = src_pulse_i || src_active_flag_q;
53                      
54                        always_ff @(posedge clk_src_i or negedge effective_rst_n) begin
55         unreachable      if (!effective_rst_n) begin
56         unreachable        src_active_flag_q <= '0;
57                          end else begin
58         unreachable        src_active_flag_q <= src_active_flag_d;
59                          end
60                        end
61                      
62                        //VCS coverage on
63                        // pragma coverage on
64                      
65                        `ASSERT(SrcPulseCheck_M, src_pulse_i |-> !src_active_flag_q, clk_src_i, !rst_src_ni)
66                      `endif
67                      
68                        //////////////////////////////////////////////////////////
69                        // synchronize level signal to destination clock domain //
70                        //////////////////////////////////////////////////////////
71                        logic dst_level;
72                      
73                        prim_flop_2sync #(.Width(1)) prim_flop_2sync (
74                          // source clock domain
75                          .d_i    (src_level),
76                          // destination clock domain
77                          .clk_i  (clk_dst_i),
78                          .rst_ni (rst_dst_ni),
79                          .q_o    (dst_level)
80                        );
81                      
82                        ////////////////////////////////////////
83                        // convert level signal back to pulse //
84                        ////////////////////////////////////////
85                        logic dst_level_q;
86                      
87                        // delay dst_level by 1 cycle
88                        always_ff @(posedge clk_dst_i or negedge rst_dst_ni) begin
89         1/1              if (!rst_dst_ni) begin
           Tests:       T1 T4 T2 
90         1/1                dst_level_q <= 1'b0;
           Tests:       T1 T4 T2 
91                          end else begin
92         1/1                dst_level_q <= dst_level;
           Tests:       T1 T4 T2 
93                          end
94                        end
95                      
96                        // edge detection
97         1/1            assign dst_pulse_o = dst_level_q ^ dst_level;
           Tests:       T24 T30 T31

Cond Coverage for Instance : tb.dut.u_reg.u_com_pre_det_ctl_3_cdc.u_src_to_dst_req

	Total	Covered	Percent
Conditions	8	8	100.00
Logical	8	8	100.00
Non-Logical	0	0
Event	0	0

 LINE       34
 EXPRESSION (src_level ^ src_pulse_i)
             ----1----   -----2-----

-1-	-2-	Status	Tests
0	0	Covered	T1,T4,T2
0	1	Covered	T24,T30,T31
1	0	Covered	T24,T30,T31
1	1	Covered	T24,T30,T274

 LINE       97
 EXPRESSION (dst_level_q ^ dst_level)
             -----1-----   ----2----

-1-	-2-	Status	Tests
0	0	Covered	T1,T4,T2
0	1	Covered	T24,T30,T31
1	0	Covered	T24,T30,T274
1	1	Covered	T24,T30,T31

Branch Coverage for Instance : tb.dut.u_reg.u_com_pre_det_ctl_3_cdc.u_src_to_dst_req

	Line No.	Total	Covered	Percent
Branches		4	4	100.00
IF	31	2	2	100.00
IF	89	2	2	100.00



31             if (!rst_src_ni) begin
               -1-  
32               src_level <= 1'b0;
                 ==>
33             end else begin
34               src_level <= src_level ^ src_pulse_i;
                 ==>

Branches:

-1-	Status	Tests
1	Covered	T1,T4,T2
0	Covered	T1,T4,T2



89             if (!rst_dst_ni) begin
               -1-  
90               dst_level_q <= 1'b0;
                 ==>
91             end else begin
92               dst_level_q <= dst_level;
                 ==>

Branches:

-1-	Status	Tests
1	Covered	T1,T4,T2
0	Covered	T1,T4,T2

Assert Coverage for Instance : tb.dut.u_reg.u_com_pre_det_ctl_3_cdc.u_src_to_dst_req

	Total	Attempted	Percent	Succeeded/Matched	Percent
Assertions	2	2	100.00	2	100.00
Cover properties	0	0		0
Cover sequences	0	0		0
Total	2	2	100.00	2	100.00

Assertion Details

Name	Attempts	Real Successes	Failures	Incomplete
DstPulseCheck_A	5045782	1164	0	0
SrcPulseCheck_M	1237025007	1273	0	0

DstPulseCheck_A

Name	Attempts	Real Successes
Total	5045782	1164
T10	1200	0
T11	684	0
T24	7077	9
T30	0	9
T31	0	4
T37	0	8
T52	0	6
T55	461	0
T56	674	0
T64	405	0
T65	425	0
T73	493	0
T82	530	0
T85	0	1
T86	0	3
T87	0	1
T88	0	1
T89	0	1
T90	415	0

SrcPulseCheck_M

Name	Attempts	Real Successes
Total	1237025007	1273
T10	460207	0
T11	335211	0
T24	845686	9
T30	0	9
T31	0	4
T37	0	8
T52	0	6
T55	57704	0
T56	84396	0
T64	50595	0
T65	51023	0
T73	118680	0
T82	34502	0
T85	0	1
T86	0	3
T87	0	1
T88	0	1
T89	0	1
T90	197412	0

Line Coverage for Instance : tb.dut.u_reg.u_com_pre_det_ctl_3_cdc.u_arb.gen_passthru.u_dst_to_src_ack

	Line No.	Total	Covered	Percent
TOTAL		7	7	100.00
ALWAYS	31	3	3	100.00
CONT_ASSIGN	49	0	0
CONT_ASSIGN	52	0	0
ALWAYS	55	0	0
ALWAYS	89	3	3	100.00
CONT_ASSIGN	97	1	1	100.00



30                        always_ff @(posedge clk_src_i or negedge rst_src_ni) begin
31         1/1              if (!rst_src_ni) begin
           Tests:       T1 T4 T2 
32         1/1                src_level <= 1'b0;
           Tests:       T1 T4 T2 
33                          end else begin
34         1/1                src_level <= src_level ^ src_pulse_i;
           Tests:       T1 T4 T2 
35                          end
36                        end
37                      
38                      
39                        // source active must come far enough such that the destination domain has time
40                        // to create a valid pulse.
41                      `ifdef INC_ASSERT
42                        //VCS coverage off
43                        // pragma coverage off
44                      
45                        // source active flag tracks whether there is an ongoing "toggle" event.
46                        // Until this toggle event is accepted by the destination domain (negative edge of
47                        // of the pulse output), the source side cannot toggle again.
48                        logic effective_rst_n;
49         unreachable    assign effective_rst_n = rst_src_ni && dst_pulse_o;
50                      
51                        logic src_active_flag_d, src_active_flag_q;
52         unreachable    assign src_active_flag_d = src_pulse_i || src_active_flag_q;
53                      
54                        always_ff @(posedge clk_src_i or negedge effective_rst_n) begin
55         unreachable      if (!effective_rst_n) begin
56         unreachable        src_active_flag_q <= '0;
57                          end else begin
58         unreachable        src_active_flag_q <= src_active_flag_d;
59                          end
60                        end
61                      
62                        //VCS coverage on
63                        // pragma coverage on
64                      
65                        `ASSERT(SrcPulseCheck_M, src_pulse_i |-> !src_active_flag_q, clk_src_i, !rst_src_ni)
66                      `endif
67                      
68                        //////////////////////////////////////////////////////////
69                        // synchronize level signal to destination clock domain //
70                        //////////////////////////////////////////////////////////
71                        logic dst_level;
72                      
73                        prim_flop_2sync #(.Width(1)) prim_flop_2sync (
74                          // source clock domain
75                          .d_i    (src_level),
76                          // destination clock domain
77                          .clk_i  (clk_dst_i),
78                          .rst_ni (rst_dst_ni),
79                          .q_o    (dst_level)
80                        );
81                      
82                        ////////////////////////////////////////
83                        // convert level signal back to pulse //
84                        ////////////////////////////////////////
85                        logic dst_level_q;
86                      
87                        // delay dst_level by 1 cycle
88                        always_ff @(posedge clk_dst_i or negedge rst_dst_ni) begin
89         1/1              if (!rst_dst_ni) begin
           Tests:       T1 T4 T2 
90         1/1                dst_level_q <= 1'b0;
           Tests:       T1 T4 T2 
91                          end else begin
92         1/1                dst_level_q <= dst_level;
           Tests:       T1 T4 T2 
93                          end
94                        end
95                      
96                        // edge detection
97         1/1            assign dst_pulse_o = dst_level_q ^ dst_level;
           Tests:       T1 T4 T2

Cond Coverage for Instance : tb.dut.u_reg.u_com_pre_det_ctl_3_cdc.u_arb.gen_passthru.u_dst_to_src_ack

	Total	Covered	Percent
Conditions	8	8	100.00
Logical	8	8	100.00
Non-Logical	0	0
Event	0	0

 LINE       34
 EXPRESSION (src_level ^ src_pulse_i)
             ----1----   -----2-----

-1-	-2-	Status	Tests
0	0	Covered	T1,T4,T2
0	1	Covered	T24,T30,T31
1	0	Covered	T24,T30,T31
1	1	Covered	T24,T30,T274

 LINE       97
 EXPRESSION (dst_level_q ^ dst_level)
             -----1-----   ----2----

-1-	-2-	Status	Tests
0	0	Covered	T1,T4,T2
0	1	Covered	T24,T30,T31
1	0	Covered	T24,T30,T274
1	1	Covered	T24,T30,T31

Branch Coverage for Instance : tb.dut.u_reg.u_com_pre_det_ctl_3_cdc.u_arb.gen_passthru.u_dst_to_src_ack

	Line No.	Total	Covered	Percent
Branches		4	4	100.00
IF	31	2	2	100.00
IF	89	2	2	100.00



31             if (!rst_src_ni) begin
               -1-  
32               src_level <= 1'b0;
                 ==>
33             end else begin
34               src_level <= src_level ^ src_pulse_i;
                 ==>

Branches:

-1-	Status	Tests
1	Covered	T1,T4,T2
0	Covered	T1,T4,T2



89             if (!rst_dst_ni) begin
               -1-  
90               dst_level_q <= 1'b0;
                 ==>
91             end else begin
92               dst_level_q <= dst_level;
                 ==>

Branches:

-1-	Status	Tests
1	Covered	T1,T4,T2
0	Covered	T1,T4,T2

Assert Coverage for Instance : tb.dut.u_reg.u_com_pre_det_ctl_3_cdc.u_arb.gen_passthru.u_dst_to_src_ack

	Total	Attempted	Percent	Succeeded/Matched	Percent
Assertions	2	2	100.00	2	100.00
Cover properties	0	0		0
Cover sequences	0	0		0
Total	2	2	100.00	2	100.00

Assertion Details

Name	Attempts	Real Successes	Failures	Incomplete
DstPulseCheck_A	1237025007	1267	0	0
SrcPulseCheck_M	5045782	1267	0	0

DstPulseCheck_A

Name	Attempts	Real Successes
Total	1237025007	1267
T10	460207	0
T11	335211	0
T24	845686	9
T30	0	9
T31	0	4
T37	0	8
T52	0	6
T55	57704	0
T56	84396	0
T64	50595	0
T65	51023	0
T73	118680	0
T82	34502	0
T85	0	1
T86	0	3
T87	0	1
T88	0	1
T89	0	1
T90	197412	0

SrcPulseCheck_M

Name	Attempts	Real Successes
Total	5045782	1267
T10	1200	0
T11	684	0
T24	7077	9
T30	0	9
T31	0	4
T37	0	8
T52	0	6
T55	461	0
T56	674	0
T64	405	0
T65	425	0
T73	493	0
T82	530	0
T85	0	1
T86	0	3
T87	0	1
T88	0	1
T89	0	1
T90	415	0

Line Coverage for Instance : tb.dut.u_reg.u_com_sel_ctl_0_cdc.u_src_to_dst_req

	Line No.	Total	Covered	Percent
TOTAL		7	7	100.00
ALWAYS	31	3	3	100.00
CONT_ASSIGN	49	0	0
CONT_ASSIGN	52	0	0
ALWAYS	55	0	0
ALWAYS	89	3	3	100.00
CONT_ASSIGN	97	1	1	100.00



30                        always_ff @(posedge clk_src_i or negedge rst_src_ni) begin
31         1/1              if (!rst_src_ni) begin
           Tests:       T1 T4 T2 
32         1/1                src_level <= 1'b0;
           Tests:       T1 T4 T2 
33                          end else begin
34         1/1                src_level <= src_level ^ src_pulse_i;
           Tests:       T1 T4 T2 
35                          end
36                        end
37                      
38                      
39                        // source active must come far enough such that the destination domain has time
40                        // to create a valid pulse.
41                      `ifdef INC_ASSERT
42                        //VCS coverage off
43                        // pragma coverage off
44                      
45                        // source active flag tracks whether there is an ongoing "toggle" event.
46                        // Until this toggle event is accepted by the destination domain (negative edge of
47                        // of the pulse output), the source side cannot toggle again.
48                        logic effective_rst_n;
49         unreachable    assign effective_rst_n = rst_src_ni && dst_pulse_o;
50                      
51                        logic src_active_flag_d, src_active_flag_q;
52         unreachable    assign src_active_flag_d = src_pulse_i || src_active_flag_q;
53                      
54                        always_ff @(posedge clk_src_i or negedge effective_rst_n) begin
55         unreachable      if (!effective_rst_n) begin
56         unreachable        src_active_flag_q <= '0;
57                          end else begin
58         unreachable        src_active_flag_q <= src_active_flag_d;
59                          end
60                        end
61                      
62                        //VCS coverage on
63                        // pragma coverage on
64                      
65                        `ASSERT(SrcPulseCheck_M, src_pulse_i |-> !src_active_flag_q, clk_src_i, !rst_src_ni)
66                      `endif
67                      
68                        //////////////////////////////////////////////////////////
69                        // synchronize level signal to destination clock domain //
70                        //////////////////////////////////////////////////////////
71                        logic dst_level;
72                      
73                        prim_flop_2sync #(.Width(1)) prim_flop_2sync (
74                          // source clock domain
75                          .d_i    (src_level),
76                          // destination clock domain
77                          .clk_i  (clk_dst_i),
78                          .rst_ni (rst_dst_ni),
79                          .q_o    (dst_level)
80                        );
81                      
82                        ////////////////////////////////////////
83                        // convert level signal back to pulse //
84                        ////////////////////////////////////////
85                        logic dst_level_q;
86                      
87                        // delay dst_level by 1 cycle
88                        always_ff @(posedge clk_dst_i or negedge rst_dst_ni) begin
89         1/1              if (!rst_dst_ni) begin
           Tests:       T1 T4 T2 
90         1/1                dst_level_q <= 1'b0;
           Tests:       T1 T4 T2 
91                          end else begin
92         1/1                dst_level_q <= dst_level;
           Tests:       T1 T4 T2 
93                          end
94                        end
95                      
96                        // edge detection
97         1/1            assign dst_pulse_o = dst_level_q ^ dst_level;
           Tests:       T1 T2 T7

Cond Coverage for Instance : tb.dut.u_reg.u_com_sel_ctl_0_cdc.u_src_to_dst_req

	Total	Covered	Percent
Conditions	8	8	100.00
Logical	8	8	100.00
Non-Logical	0	0
Event	0	0

 LINE       34
 EXPRESSION (src_level ^ src_pulse_i)
             ----1----   -----2-----

-1-	-2-	Status	Tests
0	0	Covered	T1,T4,T2
0	1	Covered	T1,T2,T7
1	0	Covered	T1,T2,T7
1	1	Covered	T24,T30,T31

 LINE       97
 EXPRESSION (dst_level_q ^ dst_level)
             -----1-----   ----2----

-1-	-2-	Status	Tests
0	0	Covered	T1,T4,T2
0	1	Covered	T1,T2,T7
1	0	Covered	T24,T30,T31
1	1	Covered	T1,T2,T7

Branch Coverage for Instance : tb.dut.u_reg.u_com_sel_ctl_0_cdc.u_src_to_dst_req

	Line No.	Total	Covered	Percent
Branches		4	4	100.00
IF	31	2	2	100.00
IF	89	2	2	100.00



31             if (!rst_src_ni) begin
               -1-  
32               src_level <= 1'b0;
                 ==>
33             end else begin
34               src_level <= src_level ^ src_pulse_i;
                 ==>

Branches:

-1-	Status	Tests
1	Covered	T1,T4,T2
0	Covered	T1,T4,T2



89             if (!rst_dst_ni) begin
               -1-  
90               dst_level_q <= 1'b0;
                 ==>
91             end else begin
92               dst_level_q <= dst_level;
                 ==>

Branches:

-1-	Status	Tests
1	Covered	T1,T4,T2
0	Covered	T1,T4,T2

Assert Coverage for Instance : tb.dut.u_reg.u_com_sel_ctl_0_cdc.u_src_to_dst_req

	Total	Attempted	Percent	Succeeded/Matched	Percent
Assertions	2	2	100.00	2	100.00
Cover properties	0	0		0
Cover sequences	0	0		0
Total	2	2	100.00	2	100.00

Assertion Details

Name	Attempts	Real Successes	Failures	Incomplete
DstPulseCheck_A	5045782	7205	0	0
SrcPulseCheck_M	1237025007	7312	0	0

DstPulseCheck_A

Name	Attempts	Real Successes
Total	5045782	7205
T1	509	1
T2	485	1
T3	1755	0
T4	510	0
T7	0	1
T8	0	1
T12	450	0
T13	422	0
T14	761	0
T15	492	0
T16	670	0
T17	408	0
T24	0	11
T29	0	1
T53	0	1
T54	0	1
T55	0	1
T57	0	1

SrcPulseCheck_M

Name	Attempts	Real Successes
Total	1237025007	7312
T1	63618	1
T2	118961	1
T3	117509	0
T4	30650	0
T7	0	1
T8	0	1
T12	51830	0
T13	211429	0
T14	91412	0
T15	243722	0
T16	160902	0
T17	32710	0
T24	0	11
T29	0	1
T53	0	1
T54	0	1
T55	0	1
T57	0	1

Line Coverage for Instance : tb.dut.u_reg.u_com_sel_ctl_0_cdc.u_arb.gen_passthru.u_dst_to_src_ack

	Line No.	Total	Covered	Percent
TOTAL		7	7	100.00
ALWAYS	31	3	3	100.00
CONT_ASSIGN	49	0	0
CONT_ASSIGN	52	0	0
ALWAYS	55	0	0
ALWAYS	89	3	3	100.00
CONT_ASSIGN	97	1	1	100.00



30                        always_ff @(posedge clk_src_i or negedge rst_src_ni) begin
31         1/1              if (!rst_src_ni) begin
           Tests:       T1 T4 T2 
32         1/1                src_level <= 1'b0;
           Tests:       T1 T4 T2 
33                          end else begin
34         1/1                src_level <= src_level ^ src_pulse_i;
           Tests:       T1 T4 T2 
35                          end
36                        end
37                      
38                      
39                        // source active must come far enough such that the destination domain has time
40                        // to create a valid pulse.
41                      `ifdef INC_ASSERT
42                        //VCS coverage off
43                        // pragma coverage off
44                      
45                        // source active flag tracks whether there is an ongoing "toggle" event.
46                        // Until this toggle event is accepted by the destination domain (negative edge of
47                        // of the pulse output), the source side cannot toggle again.
48                        logic effective_rst_n;
49         unreachable    assign effective_rst_n = rst_src_ni && dst_pulse_o;
50                      
51                        logic src_active_flag_d, src_active_flag_q;
52         unreachable    assign src_active_flag_d = src_pulse_i || src_active_flag_q;
53                      
54                        always_ff @(posedge clk_src_i or negedge effective_rst_n) begin
55         unreachable      if (!effective_rst_n) begin
56         unreachable        src_active_flag_q <= '0;
57                          end else begin
58         unreachable        src_active_flag_q <= src_active_flag_d;
59                          end
60                        end
61                      
62                        //VCS coverage on
63                        // pragma coverage on
64                      
65                        `ASSERT(SrcPulseCheck_M, src_pulse_i |-> !src_active_flag_q, clk_src_i, !rst_src_ni)
66                      `endif
67                      
68                        //////////////////////////////////////////////////////////
69                        // synchronize level signal to destination clock domain //
70                        //////////////////////////////////////////////////////////
71                        logic dst_level;
72                      
73                        prim_flop_2sync #(.Width(1)) prim_flop_2sync (
74                          // source clock domain
75                          .d_i    (src_level),
76                          // destination clock domain
77                          .clk_i  (clk_dst_i),
78                          .rst_ni (rst_dst_ni),
79                          .q_o    (dst_level)
80                        );
81                      
82                        ////////////////////////////////////////
83                        // convert level signal back to pulse //
84                        ////////////////////////////////////////
85                        logic dst_level_q;
86                      
87                        // delay dst_level by 1 cycle
88                        always_ff @(posedge clk_dst_i or negedge rst_dst_ni) begin
89         1/1              if (!rst_dst_ni) begin
           Tests:       T1 T4 T2 
90         1/1                dst_level_q <= 1'b0;
           Tests:       T1 T4 T2 
91                          end else begin
92         1/1                dst_level_q <= dst_level;
           Tests:       T1 T4 T2 
93                          end
94                        end
95                      
96                        // edge detection
97         1/1            assign dst_pulse_o = dst_level_q ^ dst_level;
           Tests:       T1 T4 T2

Cond Coverage for Instance : tb.dut.u_reg.u_com_sel_ctl_0_cdc.u_arb.gen_passthru.u_dst_to_src_ack

	Total	Covered	Percent
Conditions	8	8	100.00
Logical	8	8	100.00
Non-Logical	0	0
Event	0	0

 LINE       34
 EXPRESSION (src_level ^ src_pulse_i)
             ----1----   -----2-----

-1-	-2-	Status	Tests
0	0	Covered	T1,T4,T2
0	1	Covered	T1,T2,T7
1	0	Covered	T1,T2,T7
1	1	Covered	T24,T30,T31

 LINE       97
 EXPRESSION (dst_level_q ^ dst_level)
             -----1-----   ----2----

-1-	-2-	Status	Tests
0	0	Covered	T1,T4,T2
0	1	Covered	T1,T2,T7
1	0	Covered	T24,T30,T31
1	1	Covered	T1,T2,T7

Branch Coverage for Instance : tb.dut.u_reg.u_com_sel_ctl_0_cdc.u_arb.gen_passthru.u_dst_to_src_ack

	Line No.	Total	Covered	Percent
Branches		4	4	100.00
IF	31	2	2	100.00
IF	89	2	2	100.00



31             if (!rst_src_ni) begin
               -1-  
32               src_level <= 1'b0;
                 ==>
33             end else begin
34               src_level <= src_level ^ src_pulse_i;
                 ==>

Branches:

-1-	Status	Tests
1	Covered	T1,T4,T2
0	Covered	T1,T4,T2



89             if (!rst_dst_ni) begin
               -1-  
90               dst_level_q <= 1'b0;
                 ==>
91             end else begin
92               dst_level_q <= dst_level;
                 ==>

Branches:

-1-	Status	Tests
1	Covered	T1,T4,T2
0	Covered	T1,T4,T2

Assert Coverage for Instance : tb.dut.u_reg.u_com_sel_ctl_0_cdc.u_arb.gen_passthru.u_dst_to_src_ack

	Total	Attempted	Percent	Succeeded/Matched	Percent
Assertions	2	2	100.00	2	100.00
Cover properties	0	0		0
Cover sequences	0	0		0
Total	2	2	100.00	2	100.00

Assertion Details

Name	Attempts	Real Successes	Failures	Incomplete
DstPulseCheck_A	1237025007	7306	0	0
SrcPulseCheck_M	5045782	7306	0	0

DstPulseCheck_A

Name	Attempts	Real Successes
Total	1237025007	7306
T1	63618	1
T2	118961	1
T3	117509	0
T4	30650	0
T7	0	1
T8	0	1
T12	51830	0
T13	211429	0
T14	91412	0
T15	243722	0
T16	160902	0
T17	32710	0
T24	0	11
T29	0	1
T53	0	1
T54	0	1
T55	0	1
T57	0	1

SrcPulseCheck_M

Name	Attempts	Real Successes
Total	5045782	7306
T1	509	1
T2	485	1
T3	1755	0
T4	510	0
T7	0	1
T8	0	1
T12	450	0
T13	422	0
T14	761	0
T15	492	0
T16	670	0
T17	408	0
T24	0	11
T29	0	1
T53	0	1
T54	0	1
T55	0	1
T57	0	1

Line Coverage for Instance : tb.dut.u_reg.u_com_sel_ctl_1_cdc.u_src_to_dst_req

	Line No.	Total	Covered	Percent
TOTAL		7	7	100.00
ALWAYS	31	3	3	100.00
CONT_ASSIGN	49	0	0
CONT_ASSIGN	52	0	0
ALWAYS	55	0	0
ALWAYS	89	3	3	100.00
CONT_ASSIGN	97	1	1	100.00



30                        always_ff @(posedge clk_src_i or negedge rst_src_ni) begin
31         1/1              if (!rst_src_ni) begin
           Tests:       T1 T4 T2 
32         1/1                src_level <= 1'b0;
           Tests:       T1 T4 T2 
33                          end else begin
34         1/1                src_level <= src_level ^ src_pulse_i;
           Tests:       T1 T4 T2 
35                          end
36                        end
37                      
38                      
39                        // source active must come far enough such that the destination domain has time
40                        // to create a valid pulse.
41                      `ifdef INC_ASSERT
42                        //VCS coverage off
43                        // pragma coverage off
44                      
45                        // source active flag tracks whether there is an ongoing "toggle" event.
46                        // Until this toggle event is accepted by the destination domain (negative edge of
47                        // of the pulse output), the source side cannot toggle again.
48                        logic effective_rst_n;
49         unreachable    assign effective_rst_n = rst_src_ni && dst_pulse_o;
50                      
51                        logic src_active_flag_d, src_active_flag_q;
52         unreachable    assign src_active_flag_d = src_pulse_i || src_active_flag_q;
53                      
54                        always_ff @(posedge clk_src_i or negedge effective_rst_n) begin
55         unreachable      if (!effective_rst_n) begin
56         unreachable        src_active_flag_q <= '0;
57                          end else begin
58         unreachable        src_active_flag_q <= src_active_flag_d;
59                          end
60                        end
61                      
62                        //VCS coverage on
63                        // pragma coverage on
64                      
65                        `ASSERT(SrcPulseCheck_M, src_pulse_i |-> !src_active_flag_q, clk_src_i, !rst_src_ni)
66                      `endif
67                      
68                        //////////////////////////////////////////////////////////
69                        // synchronize level signal to destination clock domain //
70                        //////////////////////////////////////////////////////////
71                        logic dst_level;
72                      
73                        prim_flop_2sync #(.Width(1)) prim_flop_2sync (
74                          // source clock domain
75                          .d_i    (src_level),
76                          // destination clock domain
77                          .clk_i  (clk_dst_i),
78                          .rst_ni (rst_dst_ni),
79                          .q_o    (dst_level)
80                        );
81                      
82                        ////////////////////////////////////////
83                        // convert level signal back to pulse //
84                        ////////////////////////////////////////
85                        logic dst_level_q;
86                      
87                        // delay dst_level by 1 cycle
88                        always_ff @(posedge clk_dst_i or negedge rst_dst_ni) begin
89         1/1              if (!rst_dst_ni) begin
           Tests:       T1 T4 T2 
90         1/1                dst_level_q <= 1'b0;
           Tests:       T1 T4 T2 
91                          end else begin
92         1/1                dst_level_q <= dst_level;
           Tests:       T1 T4 T2 
93                          end
94                        end
95                      
96                        // edge detection
97         1/1            assign dst_pulse_o = dst_level_q ^ dst_level;
           Tests:       T24 T30 T31

Cond Coverage for Instance : tb.dut.u_reg.u_com_sel_ctl_1_cdc.u_src_to_dst_req

	Total	Covered	Percent
Conditions	8	8	100.00
Logical	8	8	100.00
Non-Logical	0	0
Event	0	0

 LINE       34
 EXPRESSION (src_level ^ src_pulse_i)
             ----1----   -----2-----

-1-	-2-	Status	Tests
0	0	Covered	T1,T4,T2
0	1	Covered	T24,T30,T31
1	0	Covered	T24,T30,T31
1	1	Covered	T24,T30,T31

 LINE       97
 EXPRESSION (dst_level_q ^ dst_level)
             -----1-----   ----2----

-1-	-2-	Status	Tests
0	0	Covered	T1,T4,T2
0	1	Covered	T24,T30,T31
1	0	Covered	T24,T30,T31
1	1	Covered	T24,T30,T31

Branch Coverage for Instance : tb.dut.u_reg.u_com_sel_ctl_1_cdc.u_src_to_dst_req

	Line No.	Total	Covered	Percent
Branches		4	4	100.00
IF	31	2	2	100.00
IF	89	2	2	100.00



31             if (!rst_src_ni) begin
               -1-  
32               src_level <= 1'b0;
                 ==>
33             end else begin
34               src_level <= src_level ^ src_pulse_i;
                 ==>

Branches:

-1-	Status	Tests
1	Covered	T1,T4,T2
0	Covered	T1,T4,T2



89             if (!rst_dst_ni) begin
               -1-  
90               dst_level_q <= 1'b0;
                 ==>
91             end else begin
92               dst_level_q <= dst_level;
                 ==>

Branches:

-1-	Status	Tests
1	Covered	T1,T4,T2
0	Covered	T1,T4,T2

Assert Coverage for Instance : tb.dut.u_reg.u_com_sel_ctl_1_cdc.u_src_to_dst_req

	Total	Attempted	Percent	Succeeded/Matched	Percent
Assertions	2	2	100.00	2	100.00
Cover properties	0	0		0
Cover sequences	0	0		0
Total	2	2	100.00	2	100.00

Assertion Details

Name	Attempts	Real Successes	Failures	Incomplete
DstPulseCheck_A	5045782	7152	0	0
SrcPulseCheck_M	1237025007	7260	0	0

DstPulseCheck_A

Name	Attempts	Real Successes
Total	5045782	7152
T10	1200	0
T11	684	0
T24	7077	11
T30	0	11
T31	0	54
T37	0	67
T40	0	3
T52	0	73
T55	461	0
T56	674	0
T64	405	0
T65	425	0
T73	493	0
T82	530	0
T85	0	51
T86	0	62
T87	0	51
T90	415	0
T91	0	4

SrcPulseCheck_M

Name	Attempts	Real Successes
Total	1237025007	7260
T10	460207	0
T11	335211	0
T24	845686	11
T30	0	11
T31	0	54
T37	0	67
T40	0	3
T52	0	73
T55	57704	0
T56	84396	0
T64	50595	0
T65	51023	0
T73	118680	0
T82	34502	0
T85	0	51
T86	0	62
T87	0	51
T90	197412	0
T91	0	4

Line Coverage for Instance : tb.dut.u_reg.u_com_sel_ctl_1_cdc.u_arb.gen_passthru.u_dst_to_src_ack

	Line No.	Total	Covered	Percent
TOTAL		7	7	100.00
ALWAYS	31	3	3	100.00
CONT_ASSIGN	49	0	0
CONT_ASSIGN	52	0	0
ALWAYS	55	0	0
ALWAYS	89	3	3	100.00
CONT_ASSIGN	97	1	1	100.00



30                        always_ff @(posedge clk_src_i or negedge rst_src_ni) begin
31         1/1              if (!rst_src_ni) begin
           Tests:       T1 T4 T2 
32         1/1                src_level <= 1'b0;
           Tests:       T1 T4 T2 
33                          end else begin
34         1/1                src_level <= src_level ^ src_pulse_i;
           Tests:       T1 T4 T2 
35                          end
36                        end
37                      
38                      
39                        // source active must come far enough such that the destination domain has time
40                        // to create a valid pulse.
41                      `ifdef INC_ASSERT
42                        //VCS coverage off
43                        // pragma coverage off
44                      
45                        // source active flag tracks whether there is an ongoing "toggle" event.
46                        // Until this toggle event is accepted by the destination domain (negative edge of
47                        // of the pulse output), the source side cannot toggle again.
48                        logic effective_rst_n;
49         unreachable    assign effective_rst_n = rst_src_ni && dst_pulse_o;
50                      
51                        logic src_active_flag_d, src_active_flag_q;
52         unreachable    assign src_active_flag_d = src_pulse_i || src_active_flag_q;
53                      
54                        always_ff @(posedge clk_src_i or negedge effective_rst_n) begin
55         unreachable      if (!effective_rst_n) begin
56         unreachable        src_active_flag_q <= '0;
57                          end else begin
58         unreachable        src_active_flag_q <= src_active_flag_d;
59                          end
60                        end
61                      
62                        //VCS coverage on
63                        // pragma coverage on
64                      
65                        `ASSERT(SrcPulseCheck_M, src_pulse_i |-> !src_active_flag_q, clk_src_i, !rst_src_ni)
66                      `endif
67                      
68                        //////////////////////////////////////////////////////////
69                        // synchronize level signal to destination clock domain //
70                        //////////////////////////////////////////////////////////
71                        logic dst_level;
72                      
73                        prim_flop_2sync #(.Width(1)) prim_flop_2sync (
74                          // source clock domain
75                          .d_i    (src_level),
76                          // destination clock domain
77                          .clk_i  (clk_dst_i),
78                          .rst_ni (rst_dst_ni),
79                          .q_o    (dst_level)
80                        );
81                      
82                        ////////////////////////////////////////
83                        // convert level signal back to pulse //
84                        ////////////////////////////////////////
85                        logic dst_level_q;
86                      
87                        // delay dst_level by 1 cycle
88                        always_ff @(posedge clk_dst_i or negedge rst_dst_ni) begin
89         1/1              if (!rst_dst_ni) begin
           Tests:       T1 T4 T2 
90         1/1                dst_level_q <= 1'b0;
           Tests:       T1 T4 T2 
91                          end else begin
92         1/1                dst_level_q <= dst_level;
           Tests:       T1 T4 T2 
93                          end
94                        end
95                      
96                        // edge detection
97         1/1            assign dst_pulse_o = dst_level_q ^ dst_level;
           Tests:       T1 T4 T2

Cond Coverage for Instance : tb.dut.u_reg.u_com_sel_ctl_1_cdc.u_arb.gen_passthru.u_dst_to_src_ack

	Total	Covered	Percent
Conditions	8	8	100.00
Logical	8	8	100.00
Non-Logical	0	0
Event	0	0

 LINE       34
 EXPRESSION (src_level ^ src_pulse_i)
             ----1----   -----2-----

-1-	-2-	Status	Tests
0	0	Covered	T1,T4,T2
0	1	Covered	T24,T30,T31
1	0	Covered	T24,T30,T31
1	1	Covered	T24,T30,T31

 LINE       97
 EXPRESSION (dst_level_q ^ dst_level)
             -----1-----   ----2----

-1-	-2-	Status	Tests
0	0	Covered	T1,T4,T2
0	1	Covered	T24,T30,T31
1	0	Covered	T24,T30,T31
1	1	Covered	T24,T30,T31

Branch Coverage for Instance : tb.dut.u_reg.u_com_sel_ctl_1_cdc.u_arb.gen_passthru.u_dst_to_src_ack

	Line No.	Total	Covered	Percent
Branches		4	4	100.00
IF	31	2	2	100.00
IF	89	2	2	100.00



31             if (!rst_src_ni) begin
               -1-  
32               src_level <= 1'b0;
                 ==>
33             end else begin
34               src_level <= src_level ^ src_pulse_i;
                 ==>

Branches:

-1-	Status	Tests
1	Covered	T1,T4,T2
0	Covered	T1,T4,T2



89             if (!rst_dst_ni) begin
               -1-  
90               dst_level_q <= 1'b0;
                 ==>
91             end else begin
92               dst_level_q <= dst_level;
                 ==>

Branches:

-1-	Status	Tests
1	Covered	T1,T4,T2
0	Covered	T1,T4,T2

Assert Coverage for Instance : tb.dut.u_reg.u_com_sel_ctl_1_cdc.u_arb.gen_passthru.u_dst_to_src_ack

	Total	Attempted	Percent	Succeeded/Matched	Percent
Assertions	2	2	100.00	2	100.00
Cover properties	0	0		0
Cover sequences	0	0		0
Total	2	2	100.00	2	100.00

Assertion Details

Name	Attempts	Real Successes	Failures	Incomplete
DstPulseCheck_A	1237025007	7255	0	0
SrcPulseCheck_M	5045782	7255	0	0

DstPulseCheck_A

Name	Attempts	Real Successes
Total	1237025007	7255
T10	460207	0
T11	335211	0
T24	845686	11
T30	0	11
T31	0	54
T37	0	67
T40	0	3
T52	0	73
T55	57704	0
T56	84396	0
T64	50595	0
T65	51023	0
T73	118680	0
T82	34502	0
T85	0	51
T86	0	62
T87	0	51
T90	197412	0
T91	0	4

SrcPulseCheck_M

Name	Attempts	Real Successes
Total	5045782	7255
T10	1200	0
T11	684	0
T24	7077	11
T30	0	11
T31	0	54
T37	0	67
T40	0	3
T52	0	73
T55	461	0
T56	674	0
T64	405	0
T65	425	0
T73	493	0
T82	530	0
T85	0	51
T86	0	62
T87	0	51
T90	415	0
T91	0	4

Line Coverage for Instance : tb.dut.u_reg.u_com_sel_ctl_2_cdc.u_src_to_dst_req

	Line No.	Total	Covered	Percent
TOTAL		7	7	100.00
ALWAYS	31	3	3	100.00
CONT_ASSIGN	49	0	0
CONT_ASSIGN	52	0	0
ALWAYS	55	0	0
ALWAYS	89	3	3	100.00
CONT_ASSIGN	97	1	1	100.00



30                        always_ff @(posedge clk_src_i or negedge rst_src_ni) begin
31         1/1              if (!rst_src_ni) begin
           Tests:       T1 T4 T2 
32         1/1                src_level <= 1'b0;
           Tests:       T1 T4 T2 
33                          end else begin
34         1/1                src_level <= src_level ^ src_pulse_i;
           Tests:       T1 T4 T2 
35                          end
36                        end
37                      
38                      
39                        // source active must come far enough such that the destination domain has time
40                        // to create a valid pulse.
41                      `ifdef INC_ASSERT
42                        //VCS coverage off
43                        // pragma coverage off
44                      
45                        // source active flag tracks whether there is an ongoing "toggle" event.
46                        // Until this toggle event is accepted by the destination domain (negative edge of
47                        // of the pulse output), the source side cannot toggle again.
48                        logic effective_rst_n;
49         unreachable    assign effective_rst_n = rst_src_ni && dst_pulse_o;
50                      
51                        logic src_active_flag_d, src_active_flag_q;
52         unreachable    assign src_active_flag_d = src_pulse_i || src_active_flag_q;
53                      
54                        always_ff @(posedge clk_src_i or negedge effective_rst_n) begin
55         unreachable      if (!effective_rst_n) begin
56         unreachable        src_active_flag_q <= '0;
57                          end else begin
58         unreachable        src_active_flag_q <= src_active_flag_d;
59                          end
60                        end
61                      
62                        //VCS coverage on
63                        // pragma coverage on
64                      
65                        `ASSERT(SrcPulseCheck_M, src_pulse_i |-> !src_active_flag_q, clk_src_i, !rst_src_ni)
66                      `endif
67                      
68                        //////////////////////////////////////////////////////////
69                        // synchronize level signal to destination clock domain //
70                        //////////////////////////////////////////////////////////
71                        logic dst_level;
72                      
73                        prim_flop_2sync #(.Width(1)) prim_flop_2sync (
74                          // source clock domain
75                          .d_i    (src_level),
76                          // destination clock domain
77                          .clk_i  (clk_dst_i),
78                          .rst_ni (rst_dst_ni),
79                          .q_o    (dst_level)
80                        );
81                      
82                        ////////////////////////////////////////
83                        // convert level signal back to pulse //
84                        ////////////////////////////////////////
85                        logic dst_level_q;
86                      
87                        // delay dst_level by 1 cycle
88                        always_ff @(posedge clk_dst_i or negedge rst_dst_ni) begin
89         1/1              if (!rst_dst_ni) begin
           Tests:       T1 T4 T2 
90         1/1                dst_level_q <= 1'b0;
           Tests:       T1 T4 T2 
91                          end else begin
92         1/1                dst_level_q <= dst_level;
           Tests:       T1 T4 T2 
93                          end
94                        end
95                      
96                        // edge detection
97         1/1            assign dst_pulse_o = dst_level_q ^ dst_level;
           Tests:       T24 T30 T31

Cond Coverage for Instance : tb.dut.u_reg.u_com_sel_ctl_2_cdc.u_src_to_dst_req

	Total	Covered	Percent
Conditions	8	8	100.00
Logical	8	8	100.00
Non-Logical	0	0
Event	0	0

 LINE       34
 EXPRESSION (src_level ^ src_pulse_i)
             ----1----   -----2-----

-1-	-2-	Status	Tests
0	0	Covered	T1,T4,T2
0	1	Covered	T24,T30,T31
1	0	Covered	T24,T30,T31
1	1	Covered	T24,T30,T31

 LINE       97
 EXPRESSION (dst_level_q ^ dst_level)
             -----1-----   ----2----

-1-	-2-	Status	Tests
0	0	Covered	T1,T4,T2
0	1	Covered	T24,T30,T31
1	0	Covered	T24,T30,T31
1	1	Covered	T24,T30,T31

Branch Coverage for Instance : tb.dut.u_reg.u_com_sel_ctl_2_cdc.u_src_to_dst_req

	Line No.	Total	Covered	Percent
Branches		4	4	100.00
IF	31	2	2	100.00
IF	89	2	2	100.00



31             if (!rst_src_ni) begin
               -1-  
32               src_level <= 1'b0;
                 ==>
33             end else begin
34               src_level <= src_level ^ src_pulse_i;
                 ==>

Branches:

-1-	Status	Tests
1	Covered	T1,T4,T2
0	Covered	T1,T4,T2



89             if (!rst_dst_ni) begin
               -1-  
90               dst_level_q <= 1'b0;
                 ==>
91             end else begin
92               dst_level_q <= dst_level;
                 ==>

Branches:

-1-	Status	Tests
1	Covered	T1,T4,T2
0	Covered	T1,T4,T2

Assert Coverage for Instance : tb.dut.u_reg.u_com_sel_ctl_2_cdc.u_src_to_dst_req

	Total	Attempted	Percent	Succeeded/Matched	Percent
Assertions	2	2	100.00	2	100.00
Cover properties	0	0		0
Cover sequences	0	0		0
Total	2	2	100.00	2	100.00

Assertion Details

Name	Attempts	Real Successes	Failures	Incomplete
DstPulseCheck_A	5045782	7166	0	0
SrcPulseCheck_M	1237025007	7279	0	0

DstPulseCheck_A

Name	Attempts	Real Successes
Total	5045782	7166
T10	1200	0
T11	684	0
T24	7077	11
T30	0	11
T31	0	66
T37	0	74
T40	0	3
T52	0	63
T55	461	0
T56	674	0
T64	405	0
T65	425	0
T73	493	0
T82	530	0
T85	0	51
T86	0	65
T87	0	51
T90	415	0
T91	0	4

SrcPulseCheck_M

Name	Attempts	Real Successes
Total	1237025007	7279
T10	460207	0
T11	335211	0
T24	845686	11
T30	0	11
T31	0	66
T37	0	74
T40	0	3
T52	0	63
T55	57704	0
T56	84396	0
T64	50595	0
T65	51023	0
T73	118680	0
T82	34502	0
T85	0	51
T86	0	65
T87	0	51
T90	197412	0
T91	0	4

Line Coverage for Instance : tb.dut.u_reg.u_com_sel_ctl_2_cdc.u_arb.gen_passthru.u_dst_to_src_ack

	Line No.	Total	Covered	Percent
TOTAL		7	7	100.00
ALWAYS	31	3	3	100.00
CONT_ASSIGN	49	0	0
CONT_ASSIGN	52	0	0
ALWAYS	55	0	0
ALWAYS	89	3	3	100.00
CONT_ASSIGN	97	1	1	100.00



30                        always_ff @(posedge clk_src_i or negedge rst_src_ni) begin
31         1/1              if (!rst_src_ni) begin
           Tests:       T1 T4 T2 
32         1/1                src_level <= 1'b0;
           Tests:       T1 T4 T2 
33                          end else begin
34         1/1                src_level <= src_level ^ src_pulse_i;
           Tests:       T1 T4 T2 
35                          end
36                        end
37                      
38                      
39                        // source active must come far enough such that the destination domain has time
40                        // to create a valid pulse.
41                      `ifdef INC_ASSERT
42                        //VCS coverage off
43                        // pragma coverage off
44                      
45                        // source active flag tracks whether there is an ongoing "toggle" event.
46                        // Until this toggle event is accepted by the destination domain (negative edge of
47                        // of the pulse output), the source side cannot toggle again.
48                        logic effective_rst_n;
49         unreachable    assign effective_rst_n = rst_src_ni && dst_pulse_o;
50                      
51                        logic src_active_flag_d, src_active_flag_q;
52         unreachable    assign src_active_flag_d = src_pulse_i || src_active_flag_q;
53                      
54                        always_ff @(posedge clk_src_i or negedge effective_rst_n) begin
55         unreachable      if (!effective_rst_n) begin
56         unreachable        src_active_flag_q <= '0;
57                          end else begin
58         unreachable        src_active_flag_q <= src_active_flag_d;
59                          end
60                        end
61                      
62                        //VCS coverage on
63                        // pragma coverage on
64                      
65                        `ASSERT(SrcPulseCheck_M, src_pulse_i |-> !src_active_flag_q, clk_src_i, !rst_src_ni)
66                      `endif
67                      
68                        //////////////////////////////////////////////////////////
69                        // synchronize level signal to destination clock domain //
70                        //////////////////////////////////////////////////////////
71                        logic dst_level;
72                      
73                        prim_flop_2sync #(.Width(1)) prim_flop_2sync (
74                          // source clock domain
75                          .d_i    (src_level),
76                          // destination clock domain
77                          .clk_i  (clk_dst_i),
78                          .rst_ni (rst_dst_ni),
79                          .q_o    (dst_level)
80                        );
81                      
82                        ////////////////////////////////////////
83                        // convert level signal back to pulse //
84                        ////////////////////////////////////////
85                        logic dst_level_q;
86                      
87                        // delay dst_level by 1 cycle
88                        always_ff @(posedge clk_dst_i or negedge rst_dst_ni) begin
89         1/1              if (!rst_dst_ni) begin
           Tests:       T1 T4 T2 
90         1/1                dst_level_q <= 1'b0;
           Tests:       T1 T4 T2 
91                          end else begin
92         1/1                dst_level_q <= dst_level;
           Tests:       T1 T4 T2 
93                          end
94                        end
95                      
96                        // edge detection
97         1/1            assign dst_pulse_o = dst_level_q ^ dst_level;
           Tests:       T1 T4 T2

Cond Coverage for Instance : tb.dut.u_reg.u_com_sel_ctl_2_cdc.u_arb.gen_passthru.u_dst_to_src_ack

	Total	Covered	Percent
Conditions	8	8	100.00
Logical	8	8	100.00
Non-Logical	0	0
Event	0	0

 LINE       34
 EXPRESSION (src_level ^ src_pulse_i)
             ----1----   -----2-----

-1-	-2-	Status	Tests
0	0	Covered	T1,T4,T2
0	1	Covered	T24,T30,T31
1	0	Covered	T24,T30,T31
1	1	Covered	T24,T30,T31

 LINE       97
 EXPRESSION (dst_level_q ^ dst_level)
             -----1-----   ----2----

-1-	-2-	Status	Tests
0	0	Covered	T1,T4,T2
0	1	Covered	T24,T30,T31
1	0	Covered	T24,T30,T31
1	1	Covered	T24,T30,T31

Branch Coverage for Instance : tb.dut.u_reg.u_com_sel_ctl_2_cdc.u_arb.gen_passthru.u_dst_to_src_ack

	Line No.	Total	Covered	Percent
Branches		4	4	100.00
IF	31	2	2	100.00
IF	89	2	2	100.00



31             if (!rst_src_ni) begin
               -1-  
32               src_level <= 1'b0;
                 ==>
33             end else begin
34               src_level <= src_level ^ src_pulse_i;
                 ==>

Branches:

-1-	Status	Tests
1	Covered	T1,T4,T2
0	Covered	T1,T4,T2



89             if (!rst_dst_ni) begin
               -1-  
90               dst_level_q <= 1'b0;
                 ==>
91             end else begin
92               dst_level_q <= dst_level;
                 ==>

Branches:

-1-	Status	Tests
1	Covered	T1,T4,T2
0	Covered	T1,T4,T2

Assert Coverage for Instance : tb.dut.u_reg.u_com_sel_ctl_2_cdc.u_arb.gen_passthru.u_dst_to_src_ack

	Total	Attempted	Percent	Succeeded/Matched	Percent
Assertions	2	2	100.00	2	100.00
Cover properties	0	0		0
Cover sequences	0	0		0
Total	2	2	100.00	2	100.00

Assertion Details

Name	Attempts	Real Successes	Failures	Incomplete
DstPulseCheck_A	1237025007	7273	0	0
SrcPulseCheck_M	5045782	7273	0	0

DstPulseCheck_A

Name	Attempts	Real Successes
Total	1237025007	7273
T10	460207	0
T11	335211	0
T24	845686	11
T30	0	11
T31	0	66
T37	0	74
T40	0	3
T52	0	63
T55	57704	0
T56	84396	0
T64	50595	0
T65	51023	0
T73	118680	0
T82	34502	0
T85	0	51
T86	0	65
T87	0	51
T90	197412	0
T91	0	4

SrcPulseCheck_M

Name	Attempts	Real Successes
Total	5045782	7273
T10	1200	0
T11	684	0
T24	7077	11
T30	0	11
T31	0	66
T37	0	74
T40	0	3
T52	0	63
T55	461	0
T56	674	0
T64	405	0
T65	425	0
T73	493	0
T82	530	0
T85	0	51
T86	0	65
T87	0	51
T90	415	0
T91	0	4

Line Coverage for Instance : tb.dut.u_reg.u_com_sel_ctl_3_cdc.u_src_to_dst_req

	Line No.	Total	Covered	Percent
TOTAL		7	7	100.00
ALWAYS	31	3	3	100.00
CONT_ASSIGN	49	0	0
CONT_ASSIGN	52	0	0
ALWAYS	55	0	0
ALWAYS	89	3	3	100.00
CONT_ASSIGN	97	1	1	100.00



30                        always_ff @(posedge clk_src_i or negedge rst_src_ni) begin
31         1/1              if (!rst_src_ni) begin
           Tests:       T1 T4 T2 
32         1/1                src_level <= 1'b0;
           Tests:       T1 T4 T2 
33                          end else begin
34         1/1                src_level <= src_level ^ src_pulse_i;
           Tests:       T1 T4 T2 
35                          end
36                        end
37                      
38                      
39                        // source active must come far enough such that the destination domain has time
40                        // to create a valid pulse.
41                      `ifdef INC_ASSERT
42                        //VCS coverage off
43                        // pragma coverage off
44                      
45                        // source active flag tracks whether there is an ongoing "toggle" event.
46                        // Until this toggle event is accepted by the destination domain (negative edge of
47                        // of the pulse output), the source side cannot toggle again.
48                        logic effective_rst_n;
49         unreachable    assign effective_rst_n = rst_src_ni && dst_pulse_o;
50                      
51                        logic src_active_flag_d, src_active_flag_q;
52         unreachable    assign src_active_flag_d = src_pulse_i || src_active_flag_q;
53                      
54                        always_ff @(posedge clk_src_i or negedge effective_rst_n) begin
55         unreachable      if (!effective_rst_n) begin
56         unreachable        src_active_flag_q <= '0;
57                          end else begin
58         unreachable        src_active_flag_q <= src_active_flag_d;
59                          end
60                        end
61                      
62                        //VCS coverage on
63                        // pragma coverage on
64                      
65                        `ASSERT(SrcPulseCheck_M, src_pulse_i |-> !src_active_flag_q, clk_src_i, !rst_src_ni)
66                      `endif
67                      
68                        //////////////////////////////////////////////////////////
69                        // synchronize level signal to destination clock domain //
70                        //////////////////////////////////////////////////////////
71                        logic dst_level;
72                      
73                        prim_flop_2sync #(.Width(1)) prim_flop_2sync (
74                          // source clock domain
75                          .d_i    (src_level),
76                          // destination clock domain
77                          .clk_i  (clk_dst_i),
78                          .rst_ni (rst_dst_ni),
79                          .q_o    (dst_level)
80                        );
81                      
82                        ////////////////////////////////////////
83                        // convert level signal back to pulse //
84                        ////////////////////////////////////////
85                        logic dst_level_q;
86                      
87                        // delay dst_level by 1 cycle
88                        always_ff @(posedge clk_dst_i or negedge rst_dst_ni) begin
89         1/1              if (!rst_dst_ni) begin
           Tests:       T1 T4 T2 
90         1/1                dst_level_q <= 1'b0;
           Tests:       T1 T4 T2 
91                          end else begin
92         1/1                dst_level_q <= dst_level;
           Tests:       T1 T4 T2 
93                          end
94                        end
95                      
96                        // edge detection
97         1/1            assign dst_pulse_o = dst_level_q ^ dst_level;
           Tests:       T24 T30 T31

Cond Coverage for Instance : tb.dut.u_reg.u_com_sel_ctl_3_cdc.u_src_to_dst_req

	Total	Covered	Percent
Conditions	8	8	100.00
Logical	8	8	100.00
Non-Logical	0	0
Event	0	0

 LINE       34
 EXPRESSION (src_level ^ src_pulse_i)
             ----1----   -----2-----

-1-	-2-	Status	Tests
0	0	Covered	T1,T4,T2
0	1	Covered	T24,T30,T31
1	0	Covered	T24,T30,T31
1	1	Covered	T24,T30,T31

 LINE       97
 EXPRESSION (dst_level_q ^ dst_level)
             -----1-----   ----2----

-1-	-2-	Status	Tests
0	0	Covered	T1,T4,T2
0	1	Covered	T24,T30,T31
1	0	Covered	T24,T30,T31
1	1	Covered	T24,T30,T31

Branch Coverage for Instance : tb.dut.u_reg.u_com_sel_ctl_3_cdc.u_src_to_dst_req

	Line No.	Total	Covered	Percent
Branches		4	4	100.00
IF	31	2	2	100.00
IF	89	2	2	100.00



31             if (!rst_src_ni) begin
               -1-  
32               src_level <= 1'b0;
                 ==>
33             end else begin
34               src_level <= src_level ^ src_pulse_i;
                 ==>

Branches:

-1-	Status	Tests
1	Covered	T1,T4,T2
0	Covered	T1,T4,T2



89             if (!rst_dst_ni) begin
               -1-  
90               dst_level_q <= 1'b0;
                 ==>
91             end else begin
92               dst_level_q <= dst_level;
                 ==>

Branches:

-1-	Status	Tests
1	Covered	T1,T4,T2
0	Covered	T1,T4,T2

Assert Coverage for Instance : tb.dut.u_reg.u_com_sel_ctl_3_cdc.u_src_to_dst_req

	Total	Attempted	Percent	Succeeded/Matched	Percent
Assertions	2	2	100.00	2	100.00
Cover properties	0	0		0
Cover sequences	0	0		0
Total	2	2	100.00	2	100.00

Assertion Details

Name	Attempts	Real Successes	Failures	Incomplete
DstPulseCheck_A	5045782	7379	0	0
SrcPulseCheck_M	1237025007	7488	0	0

DstPulseCheck_A

Name	Attempts	Real Successes
Total	5045782	7379
T10	1200	0
T11	684	0
T24	7077	11
T30	0	11
T31	0	66
T37	0	94
T40	0	3
T52	0	73
T55	461	0
T56	674	0
T64	405	0
T65	425	0
T73	493	0
T82	530	0
T85	0	51
T86	0	84
T87	0	51
T90	415	0
T91	0	4

SrcPulseCheck_M

Name	Attempts	Real Successes
Total	1237025007	7488
T10	460207	0
T11	335211	0
T24	845686	11
T30	0	11
T31	0	66
T37	0	94
T40	0	3
T52	0	73
T55	57704	0
T56	84396	0
T64	50595	0
T65	51023	0
T73	118680	0
T82	34502	0
T85	0	51
T86	0	84
T87	0	51
T90	197412	0
T91	0	4

Line Coverage for Instance : tb.dut.u_reg.u_com_sel_ctl_3_cdc.u_arb.gen_passthru.u_dst_to_src_ack

	Line No.	Total	Covered	Percent
TOTAL		7	7	100.00
ALWAYS	31	3	3	100.00
CONT_ASSIGN	49	0	0
CONT_ASSIGN	52	0	0
ALWAYS	55	0	0
ALWAYS	89	3	3	100.00
CONT_ASSIGN	97	1	1	100.00



30                        always_ff @(posedge clk_src_i or negedge rst_src_ni) begin
31         1/1              if (!rst_src_ni) begin
           Tests:       T1 T4 T2 
32         1/1                src_level <= 1'b0;
           Tests:       T1 T4 T2 
33                          end else begin
34         1/1                src_level <= src_level ^ src_pulse_i;
           Tests:       T1 T4 T2 
35                          end
36                        end
37                      
38                      
39                        // source active must come far enough such that the destination domain has time
40                        // to create a valid pulse.
41                      `ifdef INC_ASSERT
42                        //VCS coverage off
43                        // pragma coverage off
44                      
45                        // source active flag tracks whether there is an ongoing "toggle" event.
46                        // Until this toggle event is accepted by the destination domain (negative edge of
47                        // of the pulse output), the source side cannot toggle again.
48                        logic effective_rst_n;
49         unreachable    assign effective_rst_n = rst_src_ni && dst_pulse_o;
50                      
51                        logic src_active_flag_d, src_active_flag_q;
52         unreachable    assign src_active_flag_d = src_pulse_i || src_active_flag_q;
53                      
54                        always_ff @(posedge clk_src_i or negedge effective_rst_n) begin
55         unreachable      if (!effective_rst_n) begin
56         unreachable        src_active_flag_q <= '0;
57                          end else begin
58         unreachable        src_active_flag_q <= src_active_flag_d;
59                          end
60                        end
61                      
62                        //VCS coverage on
63                        // pragma coverage on
64                      
65                        `ASSERT(SrcPulseCheck_M, src_pulse_i |-> !src_active_flag_q, clk_src_i, !rst_src_ni)
66                      `endif
67                      
68                        //////////////////////////////////////////////////////////
69                        // synchronize level signal to destination clock domain //
70                        //////////////////////////////////////////////////////////
71                        logic dst_level;
72                      
73                        prim_flop_2sync #(.Width(1)) prim_flop_2sync (
74                          // source clock domain
75                          .d_i    (src_level),
76                          // destination clock domain
77                          .clk_i  (clk_dst_i),
78                          .rst_ni (rst_dst_ni),
79                          .q_o    (dst_level)
80                        );
81                      
82                        ////////////////////////////////////////
83                        // convert level signal back to pulse //
84                        ////////////////////////////////////////
85                        logic dst_level_q;
86                      
87                        // delay dst_level by 1 cycle
88                        always_ff @(posedge clk_dst_i or negedge rst_dst_ni) begin
89         1/1              if (!rst_dst_ni) begin
           Tests:       T1 T4 T2 
90         1/1                dst_level_q <= 1'b0;
           Tests:       T1 T4 T2 
91                          end else begin
92         1/1                dst_level_q <= dst_level;
           Tests:       T1 T4 T2 
93                          end
94                        end
95                      
96                        // edge detection
97         1/1            assign dst_pulse_o = dst_level_q ^ dst_level;
           Tests:       T1 T4 T2

Cond Coverage for Instance : tb.dut.u_reg.u_com_sel_ctl_3_cdc.u_arb.gen_passthru.u_dst_to_src_ack

	Total	Covered	Percent
Conditions	8	8	100.00
Logical	8	8	100.00
Non-Logical	0	0
Event	0	0

 LINE       34
 EXPRESSION (src_level ^ src_pulse_i)
             ----1----   -----2-----

-1-	-2-	Status	Tests
0	0	Covered	T1,T4,T2
0	1	Covered	T24,T30,T31
1	0	Covered	T24,T30,T31
1	1	Covered	T24,T30,T31

 LINE       97
 EXPRESSION (dst_level_q ^ dst_level)
             -----1-----   ----2----

-1-	-2-	Status	Tests
0	0	Covered	T1,T4,T2
0	1	Covered	T24,T30,T31
1	0	Covered	T24,T30,T31
1	1	Covered	T24,T30,T31

Branch Coverage for Instance : tb.dut.u_reg.u_com_sel_ctl_3_cdc.u_arb.gen_passthru.u_dst_to_src_ack

	Line No.	Total	Covered	Percent
Branches		4	4	100.00
IF	31	2	2	100.00
IF	89	2	2	100.00



31             if (!rst_src_ni) begin
               -1-  
32               src_level <= 1'b0;
                 ==>
33             end else begin
34               src_level <= src_level ^ src_pulse_i;
                 ==>

Branches:

-1-	Status	Tests
1	Covered	T1,T4,T2
0	Covered	T1,T4,T2



89             if (!rst_dst_ni) begin
               -1-  
90               dst_level_q <= 1'b0;
                 ==>
91             end else begin
92               dst_level_q <= dst_level;
                 ==>

Branches:

-1-	Status	Tests
1	Covered	T1,T4,T2
0	Covered	T1,T4,T2

Assert Coverage for Instance : tb.dut.u_reg.u_com_sel_ctl_3_cdc.u_arb.gen_passthru.u_dst_to_src_ack

	Total	Attempted	Percent	Succeeded/Matched	Percent
Assertions	2	2	100.00	2	100.00
Cover properties	0	0		0
Cover sequences	0	0		0
Total	2	2	100.00	2	100.00

Assertion Details

Name	Attempts	Real Successes	Failures	Incomplete
DstPulseCheck_A	1237025007	7484	0	0
SrcPulseCheck_M	5045782	7484	0	0

DstPulseCheck_A

Name	Attempts	Real Successes
Total	1237025007	7484
T10	460207	0
T11	335211	0
T24	845686	11
T30	0	11
T31	0	66
T37	0	94
T40	0	3
T52	0	73
T55	57704	0
T56	84396	0
T64	50595	0
T65	51023	0
T73	118680	0
T82	34502	0
T85	0	51
T86	0	84
T87	0	51
T90	197412	0
T91	0	4

SrcPulseCheck_M

Name	Attempts	Real Successes
Total	5045782	7484
T10	1200	0
T11	684	0
T24	7077	11
T30	0	11
T31	0	66
T37	0	94
T40	0	3
T52	0	73
T55	461	0
T56	674	0
T64	405	0
T65	425	0
T73	493	0
T82	530	0
T85	0	51
T86	0	84
T87	0	51
T90	415	0
T91	0	4

Line Coverage for Instance : tb.dut.u_reg.u_com_det_ctl_0_cdc.u_src_to_dst_req

	Line No.	Total	Covered	Percent
TOTAL		7	7	100.00
ALWAYS	31	3	3	100.00
CONT_ASSIGN	49	0	0
CONT_ASSIGN	52	0	0
ALWAYS	55	0	0
ALWAYS	89	3	3	100.00
CONT_ASSIGN	97	1	1	100.00



30                        always_ff @(posedge clk_src_i or negedge rst_src_ni) begin
31         1/1              if (!rst_src_ni) begin
           Tests:       T1 T4 T2 
32         1/1                src_level <= 1'b0;
           Tests:       T1 T4 T2 
33                          end else begin
34         1/1                src_level <= src_level ^ src_pulse_i;
           Tests:       T1 T4 T2 
35                          end
36                        end
37                      
38                      
39                        // source active must come far enough such that the destination domain has time
40                        // to create a valid pulse.
41                      `ifdef INC_ASSERT
42                        //VCS coverage off
43                        // pragma coverage off
44                      
45                        // source active flag tracks whether there is an ongoing "toggle" event.
46                        // Until this toggle event is accepted by the destination domain (negative edge of
47                        // of the pulse output), the source side cannot toggle again.
48                        logic effective_rst_n;
49         unreachable    assign effective_rst_n = rst_src_ni && dst_pulse_o;
50                      
51                        logic src_active_flag_d, src_active_flag_q;
52         unreachable    assign src_active_flag_d = src_pulse_i || src_active_flag_q;
53                      
54                        always_ff @(posedge clk_src_i or negedge effective_rst_n) begin
55         unreachable      if (!effective_rst_n) begin
56         unreachable        src_active_flag_q <= '0;
57                          end else begin
58         unreachable        src_active_flag_q <= src_active_flag_d;
59                          end
60                        end
61                      
62                        //VCS coverage on
63                        // pragma coverage on
64                      
65                        `ASSERT(SrcPulseCheck_M, src_pulse_i |-> !src_active_flag_q, clk_src_i, !rst_src_ni)
66                      `endif
67                      
68                        //////////////////////////////////////////////////////////
69                        // synchronize level signal to destination clock domain //
70                        //////////////////////////////////////////////////////////
71                        logic dst_level;
72                      
73                        prim_flop_2sync #(.Width(1)) prim_flop_2sync (
74                          // source clock domain
75                          .d_i    (src_level),
76                          // destination clock domain
77                          .clk_i  (clk_dst_i),
78                          .rst_ni (rst_dst_ni),
79                          .q_o    (dst_level)
80                        );
81                      
82                        ////////////////////////////////////////
83                        // convert level signal back to pulse //
84                        ////////////////////////////////////////
85                        logic dst_level_q;
86                      
87                        // delay dst_level by 1 cycle
88                        always_ff @(posedge clk_dst_i or negedge rst_dst_ni) begin
89         1/1              if (!rst_dst_ni) begin
           Tests:       T1 T4 T2 
90         1/1                dst_level_q <= 1'b0;
           Tests:       T1 T4 T2 
91                          end else begin
92         1/1                dst_level_q <= dst_level;
           Tests:       T1 T4 T2 
93                          end
94                        end
95                      
96                        // edge detection
97         1/1            assign dst_pulse_o = dst_level_q ^ dst_level;
           Tests:       T1 T2 T7

Cond Coverage for Instance : tb.dut.u_reg.u_com_det_ctl_0_cdc.u_src_to_dst_req

	Total	Covered	Percent
Conditions	8	8	100.00
Logical	8	8	100.00
Non-Logical	0	0
Event	0	0

 LINE       34
 EXPRESSION (src_level ^ src_pulse_i)
             ----1----   -----2-----

-1-	-2-	Status	Tests
0	0	Covered	T1,T4,T2
0	1	Covered	T1,T2,T7
1	0	Covered	T1,T2,T7
1	1	Covered	T24,T30,T274

 LINE       97
 EXPRESSION (dst_level_q ^ dst_level)
             -----1-----   ----2----

-1-	-2-	Status	Tests
0	0	Covered	T1,T4,T2
0	1	Covered	T1,T2,T7
1	0	Covered	T24,T30,T274
1	1	Covered	T1,T2,T7

Branch Coverage for Instance : tb.dut.u_reg.u_com_det_ctl_0_cdc.u_src_to_dst_req

	Line No.	Total	Covered	Percent
Branches		4	4	100.00
IF	31	2	2	100.00
IF	89	2	2	100.00



31             if (!rst_src_ni) begin
               -1-  
32               src_level <= 1'b0;
                 ==>
33             end else begin
34               src_level <= src_level ^ src_pulse_i;
                 ==>

Branches:

-1-	Status	Tests
1	Covered	T1,T4,T2
0	Covered	T1,T4,T2



89             if (!rst_dst_ni) begin
               -1-  
90               dst_level_q <= 1'b0;
                 ==>
91             end else begin
92               dst_level_q <= dst_level;
                 ==>

Branches:

-1-	Status	Tests
1	Covered	T1,T4,T2
0	Covered	T1,T4,T2

Assert Coverage for Instance : tb.dut.u_reg.u_com_det_ctl_0_cdc.u_src_to_dst_req

	Total	Attempted	Percent	Succeeded/Matched	Percent
Assertions	2	2	100.00	2	100.00
Cover properties	0	0		0
Cover sequences	0	0		0
Total	2	2	100.00	2	100.00

Assertion Details

Name	Attempts	Real Successes	Failures	Incomplete
DstPulseCheck_A	5045782	1681	0	0
SrcPulseCheck_M	1237025007	1790	0	0

DstPulseCheck_A

Name	Attempts	Real Successes
Total	5045782	1681
T1	509	1
T2	485	1
T3	1755	0
T4	510	0
T7	0	1
T8	0	1
T12	450	0
T13	422	0
T14	761	0
T15	492	0
T16	670	0
T17	408	0
T24	0	9
T29	0	1
T53	0	1
T54	0	1
T55	0	1
T57	0	1

SrcPulseCheck_M

Name	Attempts	Real Successes
Total	1237025007	1790
T1	63618	1
T2	118961	1
T3	117509	0
T4	30650	0
T7	0	1
T8	0	1
T12	51830	0
T13	211429	0
T14	91412	0
T15	243722	0
T16	160902	0
T17	32710	0
T24	0	9
T29	0	1
T53	0	1
T54	0	1
T55	0	1
T57	0	1

Line Coverage for Instance : tb.dut.u_reg.u_com_det_ctl_0_cdc.u_arb.gen_passthru.u_dst_to_src_ack

	Line No.	Total	Covered	Percent
TOTAL		7	7	100.00
ALWAYS	31	3	3	100.00
CONT_ASSIGN	49	0	0
CONT_ASSIGN	52	0	0
ALWAYS	55	0	0
ALWAYS	89	3	3	100.00
CONT_ASSIGN	97	1	1	100.00



30                        always_ff @(posedge clk_src_i or negedge rst_src_ni) begin
31         1/1              if (!rst_src_ni) begin
           Tests:       T1 T4 T2 
32         1/1                src_level <= 1'b0;
           Tests:       T1 T4 T2 
33                          end else begin
34         1/1                src_level <= src_level ^ src_pulse_i;
           Tests:       T1 T4 T2 
35                          end
36                        end
37                      
38                      
39                        // source active must come far enough such that the destination domain has time
40                        // to create a valid pulse.
41                      `ifdef INC_ASSERT
42                        //VCS coverage off
43                        // pragma coverage off
44                      
45                        // source active flag tracks whether there is an ongoing "toggle" event.
46                        // Until this toggle event is accepted by the destination domain (negative edge of
47                        // of the pulse output), the source side cannot toggle again.
48                        logic effective_rst_n;
49         unreachable    assign effective_rst_n = rst_src_ni && dst_pulse_o;
50                      
51                        logic src_active_flag_d, src_active_flag_q;
52         unreachable    assign src_active_flag_d = src_pulse_i || src_active_flag_q;
53                      
54                        always_ff @(posedge clk_src_i or negedge effective_rst_n) begin
55         unreachable      if (!effective_rst_n) begin
56         unreachable        src_active_flag_q <= '0;
57                          end else begin
58         unreachable        src_active_flag_q <= src_active_flag_d;
59                          end
60                        end
61                      
62                        //VCS coverage on
63                        // pragma coverage on
64                      
65                        `ASSERT(SrcPulseCheck_M, src_pulse_i |-> !src_active_flag_q, clk_src_i, !rst_src_ni)
66                      `endif
67                      
68                        //////////////////////////////////////////////////////////
69                        // synchronize level signal to destination clock domain //
70                        //////////////////////////////////////////////////////////
71                        logic dst_level;
72                      
73                        prim_flop_2sync #(.Width(1)) prim_flop_2sync (
74                          // source clock domain
75                          .d_i    (src_level),
76                          // destination clock domain
77                          .clk_i  (clk_dst_i),
78                          .rst_ni (rst_dst_ni),
79                          .q_o    (dst_level)
80                        );
81                      
82                        ////////////////////////////////////////
83                        // convert level signal back to pulse //
84                        ////////////////////////////////////////
85                        logic dst_level_q;
86                      
87                        // delay dst_level by 1 cycle
88                        always_ff @(posedge clk_dst_i or negedge rst_dst_ni) begin
89         1/1              if (!rst_dst_ni) begin
           Tests:       T1 T4 T2 
90         1/1                dst_level_q <= 1'b0;
           Tests:       T1 T4 T2 
91                          end else begin
92         1/1                dst_level_q <= dst_level;
           Tests:       T1 T4 T2 
93                          end
94                        end
95                      
96                        // edge detection
97         1/1            assign dst_pulse_o = dst_level_q ^ dst_level;
           Tests:       T1 T4 T2

Cond Coverage for Instance : tb.dut.u_reg.u_com_det_ctl_0_cdc.u_arb.gen_passthru.u_dst_to_src_ack

	Total	Covered	Percent
Conditions	8	8	100.00
Logical	8	8	100.00
Non-Logical	0	0
Event	0	0

 LINE       34
 EXPRESSION (src_level ^ src_pulse_i)
             ----1----   -----2-----

-1-	-2-	Status	Tests
0	0	Covered	T1,T4,T2
0	1	Covered	T1,T2,T7
1	0	Covered	T1,T2,T7
1	1	Covered	T24,T30,T274

 LINE       97
 EXPRESSION (dst_level_q ^ dst_level)
             -----1-----   ----2----

-1-	-2-	Status	Tests
0	0	Covered	T1,T4,T2
0	1	Covered	T1,T2,T7
1	0	Covered	T24,T30,T274
1	1	Covered	T1,T2,T7

Branch Coverage for Instance : tb.dut.u_reg.u_com_det_ctl_0_cdc.u_arb.gen_passthru.u_dst_to_src_ack

	Line No.	Total	Covered	Percent
Branches		4	4	100.00
IF	31	2	2	100.00
IF	89	2	2	100.00



31             if (!rst_src_ni) begin
               -1-  
32               src_level <= 1'b0;
                 ==>
33             end else begin
34               src_level <= src_level ^ src_pulse_i;
                 ==>

Branches:

-1-	Status	Tests
1	Covered	T1,T4,T2
0	Covered	T1,T4,T2



89             if (!rst_dst_ni) begin
               -1-  
90               dst_level_q <= 1'b0;
                 ==>
91             end else begin
92               dst_level_q <= dst_level;
                 ==>

Branches:

-1-	Status	Tests
1	Covered	T1,T4,T2
0	Covered	T1,T4,T2

Assert Coverage for Instance : tb.dut.u_reg.u_com_det_ctl_0_cdc.u_arb.gen_passthru.u_dst_to_src_ack

	Total	Attempted	Percent	Succeeded/Matched	Percent
Assertions	2	2	100.00	2	100.00
Cover properties	0	0		0
Cover sequences	0	0		0
Total	2	2	100.00	2	100.00

Assertion Details

Name	Attempts	Real Successes	Failures	Incomplete
DstPulseCheck_A	1237025007	1783	0	0
SrcPulseCheck_M	5045782	1783	0	0

DstPulseCheck_A

Name	Attempts	Real Successes
Total	1237025007	1783
T1	63618	1
T2	118961	1
T3	117509	0
T4	30650	0
T7	0	1
T8	0	1
T12	51830	0
T13	211429	0
T14	91412	0
T15	243722	0
T16	160902	0
T17	32710	0
T24	0	9
T29	0	1
T53	0	1
T54	0	1
T55	0	1
T57	0	1

SrcPulseCheck_M

Name	Attempts	Real Successes
Total	5045782	1783
T1	509	1
T2	485	1
T3	1755	0
T4	510	0
T7	0	1
T8	0	1
T12	450	0
T13	422	0
T14	761	0
T15	492	0
T16	670	0
T17	408	0
T24	0	9
T29	0	1
T53	0	1
T54	0	1
T55	0	1
T57	0	1

Line Coverage for Instance : tb.dut.u_reg.u_com_det_ctl_1_cdc.u_src_to_dst_req

	Line No.	Total	Covered	Percent
TOTAL		7	7	100.00
ALWAYS	31	3	3	100.00
CONT_ASSIGN	49	0	0
CONT_ASSIGN	52	0	0
ALWAYS	55	0	0
ALWAYS	89	3	3	100.00
CONT_ASSIGN	97	1	1	100.00



30                        always_ff @(posedge clk_src_i or negedge rst_src_ni) begin
31         1/1              if (!rst_src_ni) begin
           Tests:       T1 T4 T2 
32         1/1                src_level <= 1'b0;
           Tests:       T1 T4 T2 
33                          end else begin
34         1/1                src_level <= src_level ^ src_pulse_i;
           Tests:       T1 T4 T2 
35                          end
36                        end
37                      
38                      
39                        // source active must come far enough such that the destination domain has time
40                        // to create a valid pulse.
41                      `ifdef INC_ASSERT
42                        //VCS coverage off
43                        // pragma coverage off
44                      
45                        // source active flag tracks whether there is an ongoing "toggle" event.
46                        // Until this toggle event is accepted by the destination domain (negative edge of
47                        // of the pulse output), the source side cannot toggle again.
48                        logic effective_rst_n;
49         unreachable    assign effective_rst_n = rst_src_ni && dst_pulse_o;
50                      
51                        logic src_active_flag_d, src_active_flag_q;
52         unreachable    assign src_active_flag_d = src_pulse_i || src_active_flag_q;
53                      
54                        always_ff @(posedge clk_src_i or negedge effective_rst_n) begin
55         unreachable      if (!effective_rst_n) begin
56         unreachable        src_active_flag_q <= '0;
57                          end else begin
58         unreachable        src_active_flag_q <= src_active_flag_d;
59                          end
60                        end
61                      
62                        //VCS coverage on
63                        // pragma coverage on
64                      
65                        `ASSERT(SrcPulseCheck_M, src_pulse_i |-> !src_active_flag_q, clk_src_i, !rst_src_ni)
66                      `endif
67                      
68                        //////////////////////////////////////////////////////////
69                        // synchronize level signal to destination clock domain //
70                        //////////////////////////////////////////////////////////
71                        logic dst_level;
72                      
73                        prim_flop_2sync #(.Width(1)) prim_flop_2sync (
74                          // source clock domain
75                          .d_i    (src_level),
76                          // destination clock domain
77                          .clk_i  (clk_dst_i),
78                          .rst_ni (rst_dst_ni),
79                          .q_o    (dst_level)
80                        );
81                      
82                        ////////////////////////////////////////
83                        // convert level signal back to pulse //
84                        ////////////////////////////////////////
85                        logic dst_level_q;
86                      
87                        // delay dst_level by 1 cycle
88                        always_ff @(posedge clk_dst_i or negedge rst_dst_ni) begin
89         1/1              if (!rst_dst_ni) begin
           Tests:       T1 T4 T2 
90         1/1                dst_level_q <= 1'b0;
           Tests:       T1 T4 T2 
91                          end else begin
92         1/1                dst_level_q <= dst_level;
           Tests:       T1 T4 T2 
93                          end
94                        end
95                      
96                        // edge detection
97         1/1            assign dst_pulse_o = dst_level_q ^ dst_level;
           Tests:       T24 T30 T31

Cond Coverage for Instance : tb.dut.u_reg.u_com_det_ctl_1_cdc.u_src_to_dst_req

	Total	Covered	Percent
Conditions	8	8	100.00
Logical	8	8	100.00
Non-Logical	0	0
Event	0	0

 LINE       34
 EXPRESSION (src_level ^ src_pulse_i)
             ----1----   -----2-----

-1-	-2-	Status	Tests
0	0	Covered	T1,T4,T2
0	1	Covered	T24,T30,T31
1	0	Covered	T24,T30,T31
1	1	Covered	T24,T30,T274

 LINE       97
 EXPRESSION (dst_level_q ^ dst_level)
             -----1-----   ----2----

-1-	-2-	Status	Tests
0	0	Covered	T1,T4,T2
0	1	Covered	T24,T30,T31
1	0	Covered	T24,T30,T274
1	1	Covered	T24,T30,T31

Branch Coverage for Instance : tb.dut.u_reg.u_com_det_ctl_1_cdc.u_src_to_dst_req

	Line No.	Total	Covered	Percent
Branches		4	4	100.00
IF	31	2	2	100.00
IF	89	2	2	100.00



31             if (!rst_src_ni) begin
               -1-  
32               src_level <= 1'b0;
                 ==>
33             end else begin
34               src_level <= src_level ^ src_pulse_i;
                 ==>

Branches:

-1-	Status	Tests
1	Covered	T1,T4,T2
0	Covered	T1,T4,T2



89             if (!rst_dst_ni) begin
               -1-  
90               dst_level_q <= 1'b0;
                 ==>
91             end else begin
92               dst_level_q <= dst_level;
                 ==>

Branches:

-1-	Status	Tests
1	Covered	T1,T4,T2
0	Covered	T1,T4,T2

Assert Coverage for Instance : tb.dut.u_reg.u_com_det_ctl_1_cdc.u_src_to_dst_req

	Total	Attempted	Percent	Succeeded/Matched	Percent
Assertions	2	2	100.00	2	100.00
Cover properties	0	0		0
Cover sequences	0	0		0
Total	2	2	100.00	2	100.00

Assertion Details

Name	Attempts	Real Successes	Failures	Incomplete
DstPulseCheck_A	5045782	1632	0	0
SrcPulseCheck_M	1237025007	1740	0	0

DstPulseCheck_A

Name	Attempts	Real Successes
Total	5045782	1632
T10	1200	0
T11	684	0
T24	7077	9
T30	0	9
T31	0	4
T37	0	8
T40	0	3
T52	0	6
T55	461	0
T56	674	0
T64	405	0
T65	425	0
T73	493	0
T82	530	0
T85	0	1
T86	0	3
T87	0	1
T90	415	0
T91	0	4

SrcPulseCheck_M

Name	Attempts	Real Successes
Total	1237025007	1740
T10	460207	0
T11	335211	0
T24	845686	9
T30	0	9
T31	0	4
T37	0	8
T40	0	3
T52	0	6
T55	57704	0
T56	84396	0
T64	50595	0
T65	51023	0
T73	118680	0
T82	34502	0
T85	0	1
T86	0	3
T87	0	1
T90	197412	0
T91	0	4

Line Coverage for Instance : tb.dut.u_reg.u_com_det_ctl_1_cdc.u_arb.gen_passthru.u_dst_to_src_ack

	Line No.	Total	Covered	Percent
TOTAL		7	7	100.00
ALWAYS	31	3	3	100.00
CONT_ASSIGN	49	0	0
CONT_ASSIGN	52	0	0
ALWAYS	55	0	0
ALWAYS	89	3	3	100.00
CONT_ASSIGN	97	1	1	100.00



30                        always_ff @(posedge clk_src_i or negedge rst_src_ni) begin
31         1/1              if (!rst_src_ni) begin
           Tests:       T1 T4 T2 
32         1/1                src_level <= 1'b0;
           Tests:       T1 T4 T2 
33                          end else begin
34         1/1                src_level <= src_level ^ src_pulse_i;
           Tests:       T1 T4 T2 
35                          end
36                        end
37                      
38                      
39                        // source active must come far enough such that the destination domain has time
40                        // to create a valid pulse.
41                      `ifdef INC_ASSERT
42                        //VCS coverage off
43                        // pragma coverage off
44                      
45                        // source active flag tracks whether there is an ongoing "toggle" event.
46                        // Until this toggle event is accepted by the destination domain (negative edge of
47                        // of the pulse output), the source side cannot toggle again.
48                        logic effective_rst_n;
49         unreachable    assign effective_rst_n = rst_src_ni && dst_pulse_o;
50                      
51                        logic src_active_flag_d, src_active_flag_q;
52         unreachable    assign src_active_flag_d = src_pulse_i || src_active_flag_q;
53                      
54                        always_ff @(posedge clk_src_i or negedge effective_rst_n) begin
55         unreachable      if (!effective_rst_n) begin
56         unreachable        src_active_flag_q <= '0;
57                          end else begin
58         unreachable        src_active_flag_q <= src_active_flag_d;
59                          end
60                        end
61                      
62                        //VCS coverage on
63                        // pragma coverage on
64                      
65                        `ASSERT(SrcPulseCheck_M, src_pulse_i |-> !src_active_flag_q, clk_src_i, !rst_src_ni)
66                      `endif
67                      
68                        //////////////////////////////////////////////////////////
69                        // synchronize level signal to destination clock domain //
70                        //////////////////////////////////////////////////////////
71                        logic dst_level;
72                      
73                        prim_flop_2sync #(.Width(1)) prim_flop_2sync (
74                          // source clock domain
75                          .d_i    (src_level),
76                          // destination clock domain
77                          .clk_i  (clk_dst_i),
78                          .rst_ni (rst_dst_ni),
79                          .q_o    (dst_level)
80                        );
81                      
82                        ////////////////////////////////////////
83                        // convert level signal back to pulse //
84                        ////////////////////////////////////////
85                        logic dst_level_q;
86                      
87                        // delay dst_level by 1 cycle
88                        always_ff @(posedge clk_dst_i or negedge rst_dst_ni) begin
89         1/1              if (!rst_dst_ni) begin
           Tests:       T1 T4 T2 
90         1/1                dst_level_q <= 1'b0;
           Tests:       T1 T4 T2 
91                          end else begin
92         1/1                dst_level_q <= dst_level;
           Tests:       T1 T4 T2 
93                          end
94                        end
95                      
96                        // edge detection
97         1/1            assign dst_pulse_o = dst_level_q ^ dst_level;
           Tests:       T1 T4 T2

Cond Coverage for Instance : tb.dut.u_reg.u_com_det_ctl_1_cdc.u_arb.gen_passthru.u_dst_to_src_ack

	Total	Covered	Percent
Conditions	8	8	100.00
Logical	8	8	100.00
Non-Logical	0	0
Event	0	0

 LINE       34
 EXPRESSION (src_level ^ src_pulse_i)
             ----1----   -----2-----

-1-	-2-	Status	Tests
0	0	Covered	T1,T4,T2
0	1	Covered	T24,T30,T31
1	0	Covered	T24,T30,T31
1	1	Covered	T24,T30,T274

 LINE       97
 EXPRESSION (dst_level_q ^ dst_level)
             -----1-----   ----2----

-1-	-2-	Status	Tests
0	0	Covered	T1,T4,T2
0	1	Covered	T24,T30,T31
1	0	Covered	T24,T30,T274
1	1	Covered	T24,T30,T31

Branch Coverage for Instance : tb.dut.u_reg.u_com_det_ctl_1_cdc.u_arb.gen_passthru.u_dst_to_src_ack

	Line No.	Total	Covered	Percent
Branches		4	4	100.00
IF	31	2	2	100.00
IF	89	2	2	100.00



31             if (!rst_src_ni) begin
               -1-  
32               src_level <= 1'b0;
                 ==>
33             end else begin
34               src_level <= src_level ^ src_pulse_i;
                 ==>

Branches:

-1-	Status	Tests
1	Covered	T1,T4,T2
0	Covered	T1,T4,T2



89             if (!rst_dst_ni) begin
               -1-  
90               dst_level_q <= 1'b0;
                 ==>
91             end else begin
92               dst_level_q <= dst_level;
                 ==>

Branches:

-1-	Status	Tests
1	Covered	T1,T4,T2
0	Covered	T1,T4,T2

Assert Coverage for Instance : tb.dut.u_reg.u_com_det_ctl_1_cdc.u_arb.gen_passthru.u_dst_to_src_ack

	Total	Attempted	Percent	Succeeded/Matched	Percent
Assertions	2	2	100.00	2	100.00
Cover properties	0	0		0
Cover sequences	0	0		0
Total	2	2	100.00	2	100.00

Assertion Details

Name	Attempts	Real Successes	Failures	Incomplete
DstPulseCheck_A	1237025007	1734	0	0
SrcPulseCheck_M	5045782	1734	0	0

DstPulseCheck_A

Name	Attempts	Real Successes
Total	1237025007	1734
T10	460207	0
T11	335211	0
T24	845686	9
T30	0	9
T31	0	4
T37	0	8
T40	0	3
T52	0	6
T55	57704	0
T56	84396	0
T64	50595	0
T65	51023	0
T73	118680	0
T82	34502	0
T85	0	1
T86	0	3
T87	0	1
T90	197412	0
T91	0	4

SrcPulseCheck_M

Name	Attempts	Real Successes
Total	5045782	1734
T10	1200	0
T11	684	0
T24	7077	9
T30	0	9
T31	0	4
T37	0	8
T40	0	3
T52	0	6
T55	461	0
T56	674	0
T64	405	0
T65	425	0
T73	493	0
T82	530	0
T85	0	1
T86	0	3
T87	0	1
T90	415	0
T91	0	4

Line Coverage for Instance : tb.dut.u_reg.u_com_det_ctl_2_cdc.u_src_to_dst_req

	Line No.	Total	Covered	Percent
TOTAL		7	7	100.00
ALWAYS	31	3	3	100.00
CONT_ASSIGN	49	0	0
CONT_ASSIGN	52	0	0
ALWAYS	55	0	0
ALWAYS	89	3	3	100.00
CONT_ASSIGN	97	1	1	100.00



30                        always_ff @(posedge clk_src_i or negedge rst_src_ni) begin
31         1/1              if (!rst_src_ni) begin
           Tests:       T1 T4 T2 
32         1/1                src_level <= 1'b0;
           Tests:       T1 T4 T2 
33                          end else begin
34         1/1                src_level <= src_level ^ src_pulse_i;
           Tests:       T1 T4 T2 
35                          end
36                        end
37                      
38                      
39                        // source active must come far enough such that the destination domain has time
40                        // to create a valid pulse.
41                      `ifdef INC_ASSERT
42                        //VCS coverage off
43                        // pragma coverage off
44                      
45                        // source active flag tracks whether there is an ongoing "toggle" event.
46                        // Until this toggle event is accepted by the destination domain (negative edge of
47                        // of the pulse output), the source side cannot toggle again.
48                        logic effective_rst_n;
49         unreachable    assign effective_rst_n = rst_src_ni && dst_pulse_o;
50                      
51                        logic src_active_flag_d, src_active_flag_q;
52         unreachable    assign src_active_flag_d = src_pulse_i || src_active_flag_q;
53                      
54                        always_ff @(posedge clk_src_i or negedge effective_rst_n) begin
55         unreachable      if (!effective_rst_n) begin
56         unreachable        src_active_flag_q <= '0;
57                          end else begin
58         unreachable        src_active_flag_q <= src_active_flag_d;
59                          end
60                        end
61                      
62                        //VCS coverage on
63                        // pragma coverage on
64                      
65                        `ASSERT(SrcPulseCheck_M, src_pulse_i |-> !src_active_flag_q, clk_src_i, !rst_src_ni)
66                      `endif
67                      
68                        //////////////////////////////////////////////////////////
69                        // synchronize level signal to destination clock domain //
70                        //////////////////////////////////////////////////////////
71                        logic dst_level;
72                      
73                        prim_flop_2sync #(.Width(1)) prim_flop_2sync (
74                          // source clock domain
75                          .d_i    (src_level),
76                          // destination clock domain
77                          .clk_i  (clk_dst_i),
78                          .rst_ni (rst_dst_ni),
79                          .q_o    (dst_level)
80                        );
81                      
82                        ////////////////////////////////////////
83                        // convert level signal back to pulse //
84                        ////////////////////////////////////////
85                        logic dst_level_q;
86                      
87                        // delay dst_level by 1 cycle
88                        always_ff @(posedge clk_dst_i or negedge rst_dst_ni) begin
89         1/1              if (!rst_dst_ni) begin
           Tests:       T1 T4 T2 
90         1/1                dst_level_q <= 1'b0;
           Tests:       T1 T4 T2 
91                          end else begin
92         1/1                dst_level_q <= dst_level;
           Tests:       T1 T4 T2 
93                          end
94                        end
95                      
96                        // edge detection
97         1/1            assign dst_pulse_o = dst_level_q ^ dst_level;
           Tests:       T24 T30 T31

Cond Coverage for Instance : tb.dut.u_reg.u_com_det_ctl_2_cdc.u_src_to_dst_req

	Total	Covered	Percent
Conditions	8	8	100.00
Logical	8	8	100.00
Non-Logical	0	0
Event	0	0

 LINE       34
 EXPRESSION (src_level ^ src_pulse_i)
             ----1----   -----2-----

-1-	-2-	Status	Tests
0	0	Covered	T1,T4,T2
0	1	Covered	T24,T30,T31
1	0	Covered	T24,T30,T31
1	1	Covered	T24,T30,T274

 LINE       97
 EXPRESSION (dst_level_q ^ dst_level)
             -----1-----   ----2----

-1-	-2-	Status	Tests
0	0	Covered	T1,T4,T2
0	1	Covered	T24,T30,T31
1	0	Covered	T24,T30,T274
1	1	Covered	T24,T30,T31

Branch Coverage for Instance : tb.dut.u_reg.u_com_det_ctl_2_cdc.u_src_to_dst_req

	Line No.	Total	Covered	Percent
Branches		4	4	100.00
IF	31	2	2	100.00
IF	89	2	2	100.00



31             if (!rst_src_ni) begin
               -1-  
32               src_level <= 1'b0;
                 ==>
33             end else begin
34               src_level <= src_level ^ src_pulse_i;
                 ==>

Branches:

-1-	Status	Tests
1	Covered	T1,T4,T2
0	Covered	T1,T4,T2



89             if (!rst_dst_ni) begin
               -1-  
90               dst_level_q <= 1'b0;
                 ==>
91             end else begin
92               dst_level_q <= dst_level;
                 ==>

Branches:

-1-	Status	Tests
1	Covered	T1,T4,T2
0	Covered	T1,T4,T2

Assert Coverage for Instance : tb.dut.u_reg.u_com_det_ctl_2_cdc.u_src_to_dst_req

	Total	Attempted	Percent	Succeeded/Matched	Percent
Assertions	2	2	100.00	2	100.00
Cover properties	0	0		0
Cover sequences	0	0		0
Total	2	2	100.00	2	100.00

Assertion Details

Name	Attempts	Real Successes	Failures	Incomplete
DstPulseCheck_A	5045782	1642	0	0
SrcPulseCheck_M	1237025007	1750	0	0

DstPulseCheck_A

Name	Attempts	Real Successes
Total	5045782	1642
T10	1200	0
T11	684	0
T24	7077	9
T30	0	9
T31	0	4
T37	0	8
T40	0	3
T52	0	6
T55	461	0
T56	674	0
T64	405	0
T65	425	0
T73	493	0
T82	530	0
T85	0	1
T86	0	3
T87	0	1
T90	415	0
T91	0	4

SrcPulseCheck_M

Name	Attempts	Real Successes
Total	1237025007	1750
T10	460207	0
T11	335211	0
T24	845686	9
T30	0	9
T31	0	4
T37	0	8
T40	0	3
T52	0	6
T55	57704	0
T56	84396	0
T64	50595	0
T65	51023	0
T73	118680	0
T82	34502	0
T85	0	1
T86	0	3
T87	0	1
T90	197412	0
T91	0	4

Line Coverage for Instance : tb.dut.u_reg.u_com_det_ctl_2_cdc.u_arb.gen_passthru.u_dst_to_src_ack

	Line No.	Total	Covered	Percent
TOTAL		7	7	100.00
ALWAYS	31	3	3	100.00
CONT_ASSIGN	49	0	0
CONT_ASSIGN	52	0	0
ALWAYS	55	0	0
ALWAYS	89	3	3	100.00
CONT_ASSIGN	97	1	1	100.00



30                        always_ff @(posedge clk_src_i or negedge rst_src_ni) begin
31         1/1              if (!rst_src_ni) begin
           Tests:       T1 T4 T2 
32         1/1                src_level <= 1'b0;
           Tests:       T1 T4 T2 
33                          end else begin
34         1/1                src_level <= src_level ^ src_pulse_i;
           Tests:       T1 T4 T2 
35                          end
36                        end
37                      
38                      
39                        // source active must come far enough such that the destination domain has time
40                        // to create a valid pulse.
41                      `ifdef INC_ASSERT
42                        //VCS coverage off
43                        // pragma coverage off
44                      
45                        // source active flag tracks whether there is an ongoing "toggle" event.
46                        // Until this toggle event is accepted by the destination domain (negative edge of
47                        // of the pulse output), the source side cannot toggle again.
48                        logic effective_rst_n;
49         unreachable    assign effective_rst_n = rst_src_ni && dst_pulse_o;
50                      
51                        logic src_active_flag_d, src_active_flag_q;
52         unreachable    assign src_active_flag_d = src_pulse_i || src_active_flag_q;
53                      
54                        always_ff @(posedge clk_src_i or negedge effective_rst_n) begin
55         unreachable      if (!effective_rst_n) begin
56         unreachable        src_active_flag_q <= '0;
57                          end else begin
58         unreachable        src_active_flag_q <= src_active_flag_d;
59                          end
60                        end
61                      
62                        //VCS coverage on
63                        // pragma coverage on
64                      
65                        `ASSERT(SrcPulseCheck_M, src_pulse_i |-> !src_active_flag_q, clk_src_i, !rst_src_ni)
66                      `endif
67                      
68                        //////////////////////////////////////////////////////////
69                        // synchronize level signal to destination clock domain //
70                        //////////////////////////////////////////////////////////
71                        logic dst_level;
72                      
73                        prim_flop_2sync #(.Width(1)) prim_flop_2sync (
74                          // source clock domain
75                          .d_i    (src_level),
76                          // destination clock domain
77                          .clk_i  (clk_dst_i),
78                          .rst_ni (rst_dst_ni),
79                          .q_o    (dst_level)
80                        );
81                      
82                        ////////////////////////////////////////
83                        // convert level signal back to pulse //
84                        ////////////////////////////////////////
85                        logic dst_level_q;
86                      
87                        // delay dst_level by 1 cycle
88                        always_ff @(posedge clk_dst_i or negedge rst_dst_ni) begin
89         1/1              if (!rst_dst_ni) begin
           Tests:       T1 T4 T2 
90         1/1                dst_level_q <= 1'b0;
           Tests:       T1 T4 T2 
91                          end else begin
92         1/1                dst_level_q <= dst_level;
           Tests:       T1 T4 T2 
93                          end
94                        end
95                      
96                        // edge detection
97         1/1            assign dst_pulse_o = dst_level_q ^ dst_level;
           Tests:       T1 T4 T2

Cond Coverage for Instance : tb.dut.u_reg.u_com_det_ctl_2_cdc.u_arb.gen_passthru.u_dst_to_src_ack

	Total	Covered	Percent
Conditions	8	8	100.00
Logical	8	8	100.00
Non-Logical	0	0
Event	0	0

 LINE       34
 EXPRESSION (src_level ^ src_pulse_i)
             ----1----   -----2-----

-1-	-2-	Status	Tests
0	0	Covered	T1,T4,T2
0	1	Covered	T24,T30,T31
1	0	Covered	T24,T30,T31
1	1	Covered	T24,T30,T274

 LINE       97
 EXPRESSION (dst_level_q ^ dst_level)
             -----1-----   ----2----

-1-	-2-	Status	Tests
0	0	Covered	T1,T4,T2
0	1	Covered	T24,T30,T31
1	0	Covered	T24,T30,T274
1	1	Covered	T24,T30,T31

Branch Coverage for Instance : tb.dut.u_reg.u_com_det_ctl_2_cdc.u_arb.gen_passthru.u_dst_to_src_ack

	Line No.	Total	Covered	Percent
Branches		4	4	100.00
IF	31	2	2	100.00
IF	89	2	2	100.00



31             if (!rst_src_ni) begin
               -1-  
32               src_level <= 1'b0;
                 ==>
33             end else begin
34               src_level <= src_level ^ src_pulse_i;
                 ==>

Branches:

-1-	Status	Tests
1	Covered	T1,T4,T2
0	Covered	T1,T4,T2



89             if (!rst_dst_ni) begin
               -1-  
90               dst_level_q <= 1'b0;
                 ==>
91             end else begin
92               dst_level_q <= dst_level;
                 ==>

Branches:

-1-	Status	Tests
1	Covered	T1,T4,T2
0	Covered	T1,T4,T2

Assert Coverage for Instance : tb.dut.u_reg.u_com_det_ctl_2_cdc.u_arb.gen_passthru.u_dst_to_src_ack

	Total	Attempted	Percent	Succeeded/Matched	Percent
Assertions	2	2	100.00	2	100.00
Cover properties	0	0		0
Cover sequences	0	0		0
Total	2	2	100.00	2	100.00

Assertion Details

Name	Attempts	Real Successes	Failures	Incomplete
DstPulseCheck_A	1237025007	1744	0	0
SrcPulseCheck_M	5045782	1744	0	0

DstPulseCheck_A

Name	Attempts	Real Successes
Total	1237025007	1744
T10	460207	0
T11	335211	0
T24	845686	9
T30	0	9
T31	0	4
T37	0	8
T40	0	3
T52	0	6
T55	57704	0
T56	84396	0
T64	50595	0
T65	51023	0
T73	118680	0
T82	34502	0
T85	0	1
T86	0	3
T87	0	1
T90	197412	0
T91	0	4

SrcPulseCheck_M

Name	Attempts	Real Successes
Total	5045782	1744
T10	1200	0
T11	684	0
T24	7077	9
T30	0	9
T31	0	4
T37	0	8
T40	0	3
T52	0	6
T55	461	0
T56	674	0
T64	405	0
T65	425	0
T73	493	0
T82	530	0
T85	0	1
T86	0	3
T87	0	1
T90	415	0
T91	0	4

Line Coverage for Instance : tb.dut.u_reg.u_com_det_ctl_3_cdc.u_src_to_dst_req

	Line No.	Total	Covered	Percent
TOTAL		7	7	100.00
ALWAYS	31	3	3	100.00
CONT_ASSIGN	49	0	0
CONT_ASSIGN	52	0	0
ALWAYS	55	0	0
ALWAYS	89	3	3	100.00
CONT_ASSIGN	97	1	1	100.00



30                        always_ff @(posedge clk_src_i or negedge rst_src_ni) begin
31         1/1              if (!rst_src_ni) begin
           Tests:       T1 T4 T2 
32         1/1                src_level <= 1'b0;
           Tests:       T1 T4 T2 
33                          end else begin
34         1/1                src_level <= src_level ^ src_pulse_i;
           Tests:       T1 T4 T2 
35                          end
36                        end
37                      
38                      
39                        // source active must come far enough such that the destination domain has time
40                        // to create a valid pulse.
41                      `ifdef INC_ASSERT
42                        //VCS coverage off
43                        // pragma coverage off
44                      
45                        // source active flag tracks whether there is an ongoing "toggle" event.
46                        // Until this toggle event is accepted by the destination domain (negative edge of
47                        // of the pulse output), the source side cannot toggle again.
48                        logic effective_rst_n;
49         unreachable    assign effective_rst_n = rst_src_ni && dst_pulse_o;
50                      
51                        logic src_active_flag_d, src_active_flag_q;
52         unreachable    assign src_active_flag_d = src_pulse_i || src_active_flag_q;
53                      
54                        always_ff @(posedge clk_src_i or negedge effective_rst_n) begin
55         unreachable      if (!effective_rst_n) begin
56         unreachable        src_active_flag_q <= '0;
57                          end else begin
58         unreachable        src_active_flag_q <= src_active_flag_d;
59                          end
60                        end
61                      
62                        //VCS coverage on
63                        // pragma coverage on
64                      
65                        `ASSERT(SrcPulseCheck_M, src_pulse_i |-> !src_active_flag_q, clk_src_i, !rst_src_ni)
66                      `endif
67                      
68                        //////////////////////////////////////////////////////////
69                        // synchronize level signal to destination clock domain //
70                        //////////////////////////////////////////////////////////
71                        logic dst_level;
72                      
73                        prim_flop_2sync #(.Width(1)) prim_flop_2sync (
74                          // source clock domain
75                          .d_i    (src_level),
76                          // destination clock domain
77                          .clk_i  (clk_dst_i),
78                          .rst_ni (rst_dst_ni),
79                          .q_o    (dst_level)
80                        );
81                      
82                        ////////////////////////////////////////
83                        // convert level signal back to pulse //
84                        ////////////////////////////////////////
85                        logic dst_level_q;
86                      
87                        // delay dst_level by 1 cycle
88                        always_ff @(posedge clk_dst_i or negedge rst_dst_ni) begin
89         1/1              if (!rst_dst_ni) begin
           Tests:       T1 T4 T2 
90         1/1                dst_level_q <= 1'b0;
           Tests:       T1 T4 T2 
91                          end else begin
92         1/1                dst_level_q <= dst_level;
           Tests:       T1 T4 T2 
93                          end
94                        end
95                      
96                        // edge detection
97         1/1            assign dst_pulse_o = dst_level_q ^ dst_level;
           Tests:       T24 T30 T31

Cond Coverage for Instance : tb.dut.u_reg.u_com_det_ctl_3_cdc.u_src_to_dst_req

	Total	Covered	Percent
Conditions	8	8	100.00
Logical	8	8	100.00
Non-Logical	0	0
Event	0	0

 LINE       34
 EXPRESSION (src_level ^ src_pulse_i)
             ----1----   -----2-----

-1-	-2-	Status	Tests
0	0	Covered	T1,T4,T2
0	1	Covered	T24,T30,T31
1	0	Covered	T24,T30,T31
1	1	Covered	T24,T30,T274

 LINE       97
 EXPRESSION (dst_level_q ^ dst_level)
             -----1-----   ----2----

-1-	-2-	Status	Tests
0	0	Covered	T1,T4,T2
0	1	Covered	T24,T30,T31
1	0	Covered	T24,T30,T274
1	1	Covered	T24,T30,T31

Branch Coverage for Instance : tb.dut.u_reg.u_com_det_ctl_3_cdc.u_src_to_dst_req

	Line No.	Total	Covered	Percent
Branches		4	4	100.00
IF	31	2	2	100.00
IF	89	2	2	100.00



31             if (!rst_src_ni) begin
               -1-  
32               src_level <= 1'b0;
                 ==>
33             end else begin
34               src_level <= src_level ^ src_pulse_i;
                 ==>

Branches:

-1-	Status	Tests
1	Covered	T1,T4,T2
0	Covered	T1,T4,T2



89             if (!rst_dst_ni) begin
               -1-  
90               dst_level_q <= 1'b0;
                 ==>
91             end else begin
92               dst_level_q <= dst_level;
                 ==>

Branches:

-1-	Status	Tests
1	Covered	T1,T4,T2
0	Covered	T1,T4,T2

Assert Coverage for Instance : tb.dut.u_reg.u_com_det_ctl_3_cdc.u_src_to_dst_req

	Total	Attempted	Percent	Succeeded/Matched	Percent
Assertions	2	2	100.00	2	100.00
Cover properties	0	0		0
Cover sequences	0	0		0
Total	2	2	100.00	2	100.00

Assertion Details

Name	Attempts	Real Successes	Failures	Incomplete
DstPulseCheck_A	5045782	1656	0	0
SrcPulseCheck_M	1237025007	1764	0	0

DstPulseCheck_A

Name	Attempts	Real Successes
Total	5045782	1656
T10	1200	0
T11	684	0
T24	7077	9
T30	0	9
T31	0	4
T37	0	8
T40	0	3
T52	0	6
T55	461	0
T56	674	0
T64	405	0
T65	425	0
T73	493	0
T82	530	0
T85	0	1
T86	0	3
T87	0	1
T90	415	0
T91	0	4

SrcPulseCheck_M

Name	Attempts	Real Successes
Total	1237025007	1764
T10	460207	0
T11	335211	0
T24	845686	9
T30	0	9
T31	0	4
T37	0	8
T40	0	3
T52	0	6
T55	57704	0
T56	84396	0
T64	50595	0
T65	51023	0
T73	118680	0
T82	34502	0
T85	0	1
T86	0	3
T87	0	1
T90	197412	0
T91	0	4

Line Coverage for Instance : tb.dut.u_reg.u_com_det_ctl_3_cdc.u_arb.gen_passthru.u_dst_to_src_ack

	Line No.	Total	Covered	Percent
TOTAL		7	7	100.00
ALWAYS	31	3	3	100.00
CONT_ASSIGN	49	0	0
CONT_ASSIGN	52	0	0
ALWAYS	55	0	0
ALWAYS	89	3	3	100.00
CONT_ASSIGN	97	1	1	100.00



30                        always_ff @(posedge clk_src_i or negedge rst_src_ni) begin
31         1/1              if (!rst_src_ni) begin
           Tests:       T1 T4 T2 
32         1/1                src_level <= 1'b0;
           Tests:       T1 T4 T2 
33                          end else begin
34         1/1                src_level <= src_level ^ src_pulse_i;
           Tests:       T1 T4 T2 
35                          end
36                        end
37                      
38                      
39                        // source active must come far enough such that the destination domain has time
40                        // to create a valid pulse.
41                      `ifdef INC_ASSERT
42                        //VCS coverage off
43                        // pragma coverage off
44                      
45                        // source active flag tracks whether there is an ongoing "toggle" event.
46                        // Until this toggle event is accepted by the destination domain (negative edge of
47                        // of the pulse output), the source side cannot toggle again.
48                        logic effective_rst_n;
49         unreachable    assign effective_rst_n = rst_src_ni && dst_pulse_o;
50                      
51                        logic src_active_flag_d, src_active_flag_q;
52         unreachable    assign src_active_flag_d = src_pulse_i || src_active_flag_q;
53                      
54                        always_ff @(posedge clk_src_i or negedge effective_rst_n) begin
55         unreachable      if (!effective_rst_n) begin
56         unreachable        src_active_flag_q <= '0;
57                          end else begin
58         unreachable        src_active_flag_q <= src_active_flag_d;
59                          end
60                        end
61                      
62                        //VCS coverage on
63                        // pragma coverage on
64                      
65                        `ASSERT(SrcPulseCheck_M, src_pulse_i |-> !src_active_flag_q, clk_src_i, !rst_src_ni)
66                      `endif
67                      
68                        //////////////////////////////////////////////////////////
69                        // synchronize level signal to destination clock domain //
70                        //////////////////////////////////////////////////////////
71                        logic dst_level;
72                      
73                        prim_flop_2sync #(.Width(1)) prim_flop_2sync (
74                          // source clock domain
75                          .d_i    (src_level),
76                          // destination clock domain
77                          .clk_i  (clk_dst_i),
78                          .rst_ni (rst_dst_ni),
79                          .q_o    (dst_level)
80                        );
81                      
82                        ////////////////////////////////////////
83                        // convert level signal back to pulse //
84                        ////////////////////////////////////////
85                        logic dst_level_q;
86                      
87                        // delay dst_level by 1 cycle
88                        always_ff @(posedge clk_dst_i or negedge rst_dst_ni) begin
89         1/1              if (!rst_dst_ni) begin
           Tests:       T1 T4 T2 
90         1/1                dst_level_q <= 1'b0;
           Tests:       T1 T4 T2 
91                          end else begin
92         1/1                dst_level_q <= dst_level;
           Tests:       T1 T4 T2 
93                          end
94                        end
95                      
96                        // edge detection
97         1/1            assign dst_pulse_o = dst_level_q ^ dst_level;
           Tests:       T1 T4 T2

Cond Coverage for Instance : tb.dut.u_reg.u_com_det_ctl_3_cdc.u_arb.gen_passthru.u_dst_to_src_ack

	Total	Covered	Percent
Conditions	8	8	100.00
Logical	8	8	100.00
Non-Logical	0	0
Event	0	0

 LINE       34
 EXPRESSION (src_level ^ src_pulse_i)
             ----1----   -----2-----

-1-	-2-	Status	Tests
0	0	Covered	T1,T4,T2
0	1	Covered	T24,T30,T31
1	0	Covered	T24,T30,T31
1	1	Covered	T24,T30,T274

 LINE       97
 EXPRESSION (dst_level_q ^ dst_level)
             -----1-----   ----2----

-1-	-2-	Status	Tests
0	0	Covered	T1,T4,T2
0	1	Covered	T24,T30,T31
1	0	Covered	T24,T30,T274
1	1	Covered	T24,T30,T31

Branch Coverage for Instance : tb.dut.u_reg.u_com_det_ctl_3_cdc.u_arb.gen_passthru.u_dst_to_src_ack

	Line No.	Total	Covered	Percent
Branches		4	4	100.00
IF	31	2	2	100.00
IF	89	2	2	100.00



31             if (!rst_src_ni) begin
               -1-  
32               src_level <= 1'b0;
                 ==>
33             end else begin
34               src_level <= src_level ^ src_pulse_i;
                 ==>

Branches:

-1-	Status	Tests
1	Covered	T1,T4,T2
0	Covered	T1,T4,T2



89             if (!rst_dst_ni) begin
               -1-  
90               dst_level_q <= 1'b0;
                 ==>
91             end else begin
92               dst_level_q <= dst_level;
                 ==>

Branches:

-1-	Status	Tests
1	Covered	T1,T4,T2
0	Covered	T1,T4,T2

Assert Coverage for Instance : tb.dut.u_reg.u_com_det_ctl_3_cdc.u_arb.gen_passthru.u_dst_to_src_ack

	Total	Attempted	Percent	Succeeded/Matched	Percent
Assertions	2	2	100.00	2	100.00
Cover properties	0	0		0
Cover sequences	0	0		0
Total	2	2	100.00	2	100.00

Assertion Details

Name	Attempts	Real Successes	Failures	Incomplete
DstPulseCheck_A	1237025007	1758	0	0
SrcPulseCheck_M	5045782	1758	0	0

DstPulseCheck_A

Name	Attempts	Real Successes
Total	1237025007	1758
T10	460207	0
T11	335211	0
T24	845686	9
T30	0	9
T31	0	4
T37	0	8
T40	0	3
T52	0	6
T55	57704	0
T56	84396	0
T64	50595	0
T65	51023	0
T73	118680	0
T82	34502	0
T85	0	1
T86	0	3
T87	0	1
T90	197412	0
T91	0	4

SrcPulseCheck_M

Name	Attempts	Real Successes
Total	5045782	1758
T10	1200	0
T11	684	0
T24	7077	9
T30	0	9
T31	0	4
T37	0	8
T40	0	3
T52	0	6
T55	461	0
T56	674	0
T64	405	0
T65	425	0
T73	493	0
T82	530	0
T85	0	1
T86	0	3
T87	0	1
T90	415	0
T91	0	4

Line Coverage for Instance : tb.dut.u_reg.u_com_out_ctl_0_cdc.u_src_to_dst_req

	Line No.	Total	Covered	Percent
TOTAL		7	7	100.00
ALWAYS	31	3	3	100.00
CONT_ASSIGN	49	0	0
CONT_ASSIGN	52	0	0
ALWAYS	55	0	0
ALWAYS	89	3	3	100.00
CONT_ASSIGN	97	1	1	100.00



30                        always_ff @(posedge clk_src_i or negedge rst_src_ni) begin
31         1/1              if (!rst_src_ni) begin
           Tests:       T1 T4 T2 
32         1/1                src_level <= 1'b0;
           Tests:       T1 T4 T2 
33                          end else begin
34         1/1                src_level <= src_level ^ src_pulse_i;
           Tests:       T1 T4 T2 
35                          end
36                        end
37                      
38                      
39                        // source active must come far enough such that the destination domain has time
40                        // to create a valid pulse.
41                      `ifdef INC_ASSERT
42                        //VCS coverage off
43                        // pragma coverage off
44                      
45                        // source active flag tracks whether there is an ongoing "toggle" event.
46                        // Until this toggle event is accepted by the destination domain (negative edge of
47                        // of the pulse output), the source side cannot toggle again.
48                        logic effective_rst_n;
49         unreachable    assign effective_rst_n = rst_src_ni && dst_pulse_o;
50                      
51                        logic src_active_flag_d, src_active_flag_q;
52         unreachable    assign src_active_flag_d = src_pulse_i || src_active_flag_q;
53                      
54                        always_ff @(posedge clk_src_i or negedge effective_rst_n) begin
55         unreachable      if (!effective_rst_n) begin
56         unreachable        src_active_flag_q <= '0;
57                          end else begin
58         unreachable        src_active_flag_q <= src_active_flag_d;
59                          end
60                        end
61                      
62                        //VCS coverage on
63                        // pragma coverage on
64                      
65                        `ASSERT(SrcPulseCheck_M, src_pulse_i |-> !src_active_flag_q, clk_src_i, !rst_src_ni)
66                      `endif
67                      
68                        //////////////////////////////////////////////////////////
69                        // synchronize level signal to destination clock domain //
70                        //////////////////////////////////////////////////////////
71                        logic dst_level;
72                      
73                        prim_flop_2sync #(.Width(1)) prim_flop_2sync (
74                          // source clock domain
75                          .d_i    (src_level),
76                          // destination clock domain
77                          .clk_i  (clk_dst_i),
78                          .rst_ni (rst_dst_ni),
79                          .q_o    (dst_level)
80                        );
81                      
82                        ////////////////////////////////////////
83                        // convert level signal back to pulse //
84                        ////////////////////////////////////////
85                        logic dst_level_q;
86                      
87                        // delay dst_level by 1 cycle
88                        always_ff @(posedge clk_dst_i or negedge rst_dst_ni) begin
89         1/1              if (!rst_dst_ni) begin
           Tests:       T1 T4 T2 
90         1/1                dst_level_q <= 1'b0;
           Tests:       T1 T4 T2 
91                          end else begin
92         1/1                dst_level_q <= dst_level;
           Tests:       T1 T4 T2 
93                          end
94                        end
95                      
96                        // edge detection
97         1/1            assign dst_pulse_o = dst_level_q ^ dst_level;
           Tests:       T1 T2 T7

Cond Coverage for Instance : tb.dut.u_reg.u_com_out_ctl_0_cdc.u_src_to_dst_req

	Total	Covered	Percent
Conditions	8	8	100.00
Logical	8	8	100.00
Non-Logical	0	0
Event	0	0

 LINE       34
 EXPRESSION (src_level ^ src_pulse_i)
             ----1----   -----2-----

-1-	-2-	Status	Tests
0	0	Covered	T1,T4,T2
0	1	Covered	T1,T2,T7
1	0	Covered	T1,T2,T7
1	1	Covered	T24,T30,T274

 LINE       97
 EXPRESSION (dst_level_q ^ dst_level)
             -----1-----   ----2----

-1-	-2-	Status	Tests
0	0	Covered	T1,T4,T2
0	1	Covered	T1,T2,T7
1	0	Covered	T24,T30,T274
1	1	Covered	T1,T2,T7

Branch Coverage for Instance : tb.dut.u_reg.u_com_out_ctl_0_cdc.u_src_to_dst_req

	Line No.	Total	Covered	Percent
Branches		4	4	100.00
IF	31	2	2	100.00
IF	89	2	2	100.00



31             if (!rst_src_ni) begin
               -1-  
32               src_level <= 1'b0;
                 ==>
33             end else begin
34               src_level <= src_level ^ src_pulse_i;
                 ==>

Branches:

-1-	Status	Tests
1	Covered	T1,T4,T2
0	Covered	T1,T4,T2



89             if (!rst_dst_ni) begin
               -1-  
90               dst_level_q <= 1'b0;
                 ==>
91             end else begin
92               dst_level_q <= dst_level;
                 ==>

Branches:

-1-	Status	Tests
1	Covered	T1,T4,T2
0	Covered	T1,T4,T2

Assert Coverage for Instance : tb.dut.u_reg.u_com_out_ctl_0_cdc.u_src_to_dst_req

	Total	Attempted	Percent	Succeeded/Matched	Percent
Assertions	2	2	100.00	2	100.00
Cover properties	0	0		0
Cover sequences	0	0		0
Total	2	2	100.00	2	100.00

Assertion Details

Name	Attempts	Real Successes	Failures	Incomplete
DstPulseCheck_A	5045782	1691	0	0
SrcPulseCheck_M	1237025007	1794	0	0

DstPulseCheck_A

Name	Attempts	Real Successes
Total	5045782	1691
T1	509	1
T2	485	1
T3	1755	0
T4	510	0
T7	0	1
T8	0	1
T12	450	0
T13	422	0
T14	761	0
T15	492	0
T16	670	0
T17	408	0
T24	0	9
T29	0	1
T53	0	1
T54	0	1
T55	0	1
T57	0	1

SrcPulseCheck_M

Name	Attempts	Real Successes
Total	1237025007	1794
T1	63618	1
T2	118961	1
T3	117509	0
T4	30650	0
T7	0	1
T8	0	1
T12	51830	0
T13	211429	0
T14	91412	0
T15	243722	0
T16	160902	0
T17	32710	0
T24	0	9
T29	0	1
T53	0	1
T54	0	1
T55	0	1
T57	0	1

Line Coverage for Instance : tb.dut.u_reg.u_com_out_ctl_0_cdc.u_arb.gen_passthru.u_dst_to_src_ack

	Line No.	Total	Covered	Percent
TOTAL		7	7	100.00
ALWAYS	31	3	3	100.00
CONT_ASSIGN	49	0	0
CONT_ASSIGN	52	0	0
ALWAYS	55	0	0
ALWAYS	89	3	3	100.00
CONT_ASSIGN	97	1	1	100.00



30                        always_ff @(posedge clk_src_i or negedge rst_src_ni) begin
31         1/1              if (!rst_src_ni) begin
           Tests:       T1 T4 T2 
32         1/1                src_level <= 1'b0;
           Tests:       T1 T4 T2 
33                          end else begin
34         1/1                src_level <= src_level ^ src_pulse_i;
           Tests:       T1 T4 T2 
35                          end
36                        end
37                      
38                      
39                        // source active must come far enough such that the destination domain has time
40                        // to create a valid pulse.
41                      `ifdef INC_ASSERT
42                        //VCS coverage off
43                        // pragma coverage off
44                      
45                        // source active flag tracks whether there is an ongoing "toggle" event.
46                        // Until this toggle event is accepted by the destination domain (negative edge of
47                        // of the pulse output), the source side cannot toggle again.
48                        logic effective_rst_n;
49         unreachable    assign effective_rst_n = rst_src_ni && dst_pulse_o;
50                      
51                        logic src_active_flag_d, src_active_flag_q;
52         unreachable    assign src_active_flag_d = src_pulse_i || src_active_flag_q;
53                      
54                        always_ff @(posedge clk_src_i or negedge effective_rst_n) begin
55         unreachable      if (!effective_rst_n) begin
56         unreachable        src_active_flag_q <= '0;
57                          end else begin
58         unreachable        src_active_flag_q <= src_active_flag_d;
59                          end
60                        end
61                      
62                        //VCS coverage on
63                        // pragma coverage on
64                      
65                        `ASSERT(SrcPulseCheck_M, src_pulse_i |-> !src_active_flag_q, clk_src_i, !rst_src_ni)
66                      `endif
67                      
68                        //////////////////////////////////////////////////////////
69                        // synchronize level signal to destination clock domain //
70                        //////////////////////////////////////////////////////////
71                        logic dst_level;
72                      
73                        prim_flop_2sync #(.Width(1)) prim_flop_2sync (
74                          // source clock domain
75                          .d_i    (src_level),
76                          // destination clock domain
77                          .clk_i  (clk_dst_i),
78                          .rst_ni (rst_dst_ni),
79                          .q_o    (dst_level)
80                        );
81                      
82                        ////////////////////////////////////////
83                        // convert level signal back to pulse //
84                        ////////////////////////////////////////
85                        logic dst_level_q;
86                      
87                        // delay dst_level by 1 cycle
88                        always_ff @(posedge clk_dst_i or negedge rst_dst_ni) begin
89         1/1              if (!rst_dst_ni) begin
           Tests:       T1 T4 T2 
90         1/1                dst_level_q <= 1'b0;
           Tests:       T1 T4 T2 
91                          end else begin
92         1/1                dst_level_q <= dst_level;
           Tests:       T1 T4 T2 
93                          end
94                        end
95                      
96                        // edge detection
97         1/1            assign dst_pulse_o = dst_level_q ^ dst_level;
           Tests:       T1 T4 T2

Cond Coverage for Instance : tb.dut.u_reg.u_com_out_ctl_0_cdc.u_arb.gen_passthru.u_dst_to_src_ack

	Total	Covered	Percent
Conditions	8	8	100.00
Logical	8	8	100.00
Non-Logical	0	0
Event	0	0

 LINE       34
 EXPRESSION (src_level ^ src_pulse_i)
             ----1----   -----2-----

-1-	-2-	Status	Tests
0	0	Covered	T1,T4,T2
0	1	Covered	T1,T2,T7
1	0	Covered	T1,T2,T7
1	1	Covered	T24,T30,T274

 LINE       97
 EXPRESSION (dst_level_q ^ dst_level)
             -----1-----   ----2----

-1-	-2-	Status	Tests
0	0	Covered	T1,T4,T2
0	1	Covered	T1,T2,T7
1	0	Covered	T24,T30,T274
1	1	Covered	T1,T2,T7

Branch Coverage for Instance : tb.dut.u_reg.u_com_out_ctl_0_cdc.u_arb.gen_passthru.u_dst_to_src_ack

	Line No.	Total	Covered	Percent
Branches		4	4	100.00
IF	31	2	2	100.00
IF	89	2	2	100.00



31             if (!rst_src_ni) begin
               -1-  
32               src_level <= 1'b0;
                 ==>
33             end else begin
34               src_level <= src_level ^ src_pulse_i;
                 ==>

Branches:

-1-	Status	Tests
1	Covered	T1,T4,T2
0	Covered	T1,T4,T2



89             if (!rst_dst_ni) begin
               -1-  
90               dst_level_q <= 1'b0;
                 ==>
91             end else begin
92               dst_level_q <= dst_level;
                 ==>

Branches:

-1-	Status	Tests
1	Covered	T1,T4,T2
0	Covered	T1,T4,T2

Assert Coverage for Instance : tb.dut.u_reg.u_com_out_ctl_0_cdc.u_arb.gen_passthru.u_dst_to_src_ack

	Total	Attempted	Percent	Succeeded/Matched	Percent
Assertions	2	2	100.00	2	100.00
Cover properties	0	0		0
Cover sequences	0	0		0
Total	2	2	100.00	2	100.00

Assertion Details

Name	Attempts	Real Successes	Failures	Incomplete
DstPulseCheck_A	1237025007	1787	0	0
SrcPulseCheck_M	5045782	1787	0	0

DstPulseCheck_A

Name	Attempts	Real Successes
Total	1237025007	1787
T1	63618	1
T2	118961	1
T3	117509	0
T4	30650	0
T7	0	1
T8	0	1
T12	51830	0
T13	211429	0
T14	91412	0
T15	243722	0
T16	160902	0
T17	32710	0
T24	0	9
T29	0	1
T53	0	1
T54	0	1
T55	0	1
T57	0	1

SrcPulseCheck_M

Name	Attempts	Real Successes
Total	5045782	1787
T1	509	1
T2	485	1
T3	1755	0
T4	510	0
T7	0	1
T8	0	1
T12	450	0
T13	422	0
T14	761	0
T15	492	0
T16	670	0
T17	408	0
T24	0	9
T29	0	1
T53	0	1
T54	0	1
T55	0	1
T57	0	1

Line Coverage for Instance : tb.dut.u_reg.u_com_out_ctl_1_cdc.u_src_to_dst_req

	Line No.	Total	Covered	Percent
TOTAL		7	7	100.00
ALWAYS	31	3	3	100.00
CONT_ASSIGN	49	0	0
CONT_ASSIGN	52	0	0
ALWAYS	55	0	0
ALWAYS	89	3	3	100.00
CONT_ASSIGN	97	1	1	100.00



30                        always_ff @(posedge clk_src_i or negedge rst_src_ni) begin
31         1/1              if (!rst_src_ni) begin
           Tests:       T1 T4 T2 
32         1/1                src_level <= 1'b0;
           Tests:       T1 T4 T2 
33                          end else begin
34         1/1                src_level <= src_level ^ src_pulse_i;
           Tests:       T1 T4 T2 
35                          end
36                        end
37                      
38                      
39                        // source active must come far enough such that the destination domain has time
40                        // to create a valid pulse.
41                      `ifdef INC_ASSERT
42                        //VCS coverage off
43                        // pragma coverage off
44                      
45                        // source active flag tracks whether there is an ongoing "toggle" event.
46                        // Until this toggle event is accepted by the destination domain (negative edge of
47                        // of the pulse output), the source side cannot toggle again.
48                        logic effective_rst_n;
49         unreachable    assign effective_rst_n = rst_src_ni && dst_pulse_o;
50                      
51                        logic src_active_flag_d, src_active_flag_q;
52         unreachable    assign src_active_flag_d = src_pulse_i || src_active_flag_q;
53                      
54                        always_ff @(posedge clk_src_i or negedge effective_rst_n) begin
55         unreachable      if (!effective_rst_n) begin
56         unreachable        src_active_flag_q <= '0;
57                          end else begin
58         unreachable        src_active_flag_q <= src_active_flag_d;
59                          end
60                        end
61                      
62                        //VCS coverage on
63                        // pragma coverage on
64                      
65                        `ASSERT(SrcPulseCheck_M, src_pulse_i |-> !src_active_flag_q, clk_src_i, !rst_src_ni)
66                      `endif
67                      
68                        //////////////////////////////////////////////////////////
69                        // synchronize level signal to destination clock domain //
70                        //////////////////////////////////////////////////////////
71                        logic dst_level;
72                      
73                        prim_flop_2sync #(.Width(1)) prim_flop_2sync (
74                          // source clock domain
75                          .d_i    (src_level),
76                          // destination clock domain
77                          .clk_i  (clk_dst_i),
78                          .rst_ni (rst_dst_ni),
79                          .q_o    (dst_level)
80                        );
81                      
82                        ////////////////////////////////////////
83                        // convert level signal back to pulse //
84                        ////////////////////////////////////////
85                        logic dst_level_q;
86                      
87                        // delay dst_level by 1 cycle
88                        always_ff @(posedge clk_dst_i or negedge rst_dst_ni) begin
89         1/1              if (!rst_dst_ni) begin
           Tests:       T1 T4 T2 
90         1/1                dst_level_q <= 1'b0;
           Tests:       T1 T4 T2 
91                          end else begin
92         1/1                dst_level_q <= dst_level;
           Tests:       T1 T4 T2 
93                          end
94                        end
95                      
96                        // edge detection
97         1/1            assign dst_pulse_o = dst_level_q ^ dst_level;
           Tests:       T24 T30 T31

Cond Coverage for Instance : tb.dut.u_reg.u_com_out_ctl_1_cdc.u_src_to_dst_req

	Total	Covered	Percent
Conditions	8	8	100.00
Logical	8	8	100.00
Non-Logical	0	0
Event	0	0

 LINE       34
 EXPRESSION (src_level ^ src_pulse_i)
             ----1----   -----2-----

-1-	-2-	Status	Tests
0	0	Covered	T1,T4,T2
0	1	Covered	T24,T30,T31
1	0	Covered	T24,T30,T31
1	1	Covered	T24,T30,T274

 LINE       97
 EXPRESSION (dst_level_q ^ dst_level)
             -----1-----   ----2----

-1-	-2-	Status	Tests
0	0	Covered	T1,T4,T2
0	1	Covered	T24,T30,T31
1	0	Covered	T24,T30,T274
1	1	Covered	T24,T30,T31

Branch Coverage for Instance : tb.dut.u_reg.u_com_out_ctl_1_cdc.u_src_to_dst_req

	Line No.	Total	Covered	Percent
Branches		4	4	100.00
IF	31	2	2	100.00
IF	89	2	2	100.00



31             if (!rst_src_ni) begin
               -1-  
32               src_level <= 1'b0;
                 ==>
33             end else begin
34               src_level <= src_level ^ src_pulse_i;
                 ==>

Branches:

-1-	Status	Tests
1	Covered	T1,T4,T2
0	Covered	T1,T4,T2



89             if (!rst_dst_ni) begin
               -1-  
90               dst_level_q <= 1'b0;
                 ==>
91             end else begin
92               dst_level_q <= dst_level;
                 ==>

Branches:

-1-	Status	Tests
1	Covered	T1,T4,T2
0	Covered	T1,T4,T2

Assert Coverage for Instance : tb.dut.u_reg.u_com_out_ctl_1_cdc.u_src_to_dst_req

	Total	Attempted	Percent	Succeeded/Matched	Percent
Assertions	2	2	100.00	2	100.00
Cover properties	0	0		0
Cover sequences	0	0		0
Total	2	2	100.00	2	100.00

Assertion Details

Name	Attempts	Real Successes	Failures	Incomplete
DstPulseCheck_A	5045782	1647	0	0
SrcPulseCheck_M	1237025007	1758	0	0

DstPulseCheck_A

Name	Attempts	Real Successes
Total	5045782	1647
T10	1200	0
T11	684	0
T24	7077	9
T30	0	9
T31	0	4
T37	0	8
T40	0	3
T52	0	6
T55	461	0
T56	674	0
T64	405	0
T65	425	0
T73	493	0
T82	530	0
T85	0	1
T86	0	3
T87	0	1
T90	415	0
T91	0	4

SrcPulseCheck_M

Name	Attempts	Real Successes
Total	1237025007	1758
T10	460207	0
T11	335211	0
T24	845686	9
T30	0	9
T31	0	4
T37	0	8
T40	0	3
T52	0	6
T55	57704	0
T56	84396	0
T64	50595	0
T65	51023	0
T73	118680	0
T82	34502	0
T85	0	1
T86	0	3
T87	0	1
T90	197412	0
T91	0	4

Line Coverage for Instance : tb.dut.u_reg.u_com_out_ctl_1_cdc.u_arb.gen_passthru.u_dst_to_src_ack

	Line No.	Total	Covered	Percent
TOTAL		7	7	100.00
ALWAYS	31	3	3	100.00
CONT_ASSIGN	49	0	0
CONT_ASSIGN	52	0	0
ALWAYS	55	0	0
ALWAYS	89	3	3	100.00
CONT_ASSIGN	97	1	1	100.00



30                        always_ff @(posedge clk_src_i or negedge rst_src_ni) begin
31         1/1              if (!rst_src_ni) begin
           Tests:       T1 T4 T2 
32         1/1                src_level <= 1'b0;
           Tests:       T1 T4 T2 
33                          end else begin
34         1/1                src_level <= src_level ^ src_pulse_i;
           Tests:       T1 T4 T2 
35                          end
36                        end
37                      
38                      
39                        // source active must come far enough such that the destination domain has time
40                        // to create a valid pulse.
41                      `ifdef INC_ASSERT
42                        //VCS coverage off
43                        // pragma coverage off
44                      
45                        // source active flag tracks whether there is an ongoing "toggle" event.
46                        // Until this toggle event is accepted by the destination domain (negative edge of
47                        // of the pulse output), the source side cannot toggle again.
48                        logic effective_rst_n;
49         unreachable    assign effective_rst_n = rst_src_ni && dst_pulse_o;
50                      
51                        logic src_active_flag_d, src_active_flag_q;
52         unreachable    assign src_active_flag_d = src_pulse_i || src_active_flag_q;
53                      
54                        always_ff @(posedge clk_src_i or negedge effective_rst_n) begin
55         unreachable      if (!effective_rst_n) begin
56         unreachable        src_active_flag_q <= '0;
57                          end else begin
58         unreachable        src_active_flag_q <= src_active_flag_d;
59                          end
60                        end
61                      
62                        //VCS coverage on
63                        // pragma coverage on
64                      
65                        `ASSERT(SrcPulseCheck_M, src_pulse_i |-> !src_active_flag_q, clk_src_i, !rst_src_ni)
66                      `endif
67                      
68                        //////////////////////////////////////////////////////////
69                        // synchronize level signal to destination clock domain //
70                        //////////////////////////////////////////////////////////
71                        logic dst_level;
72                      
73                        prim_flop_2sync #(.Width(1)) prim_flop_2sync (
74                          // source clock domain
75                          .d_i    (src_level),
76                          // destination clock domain
77                          .clk_i  (clk_dst_i),
78                          .rst_ni (rst_dst_ni),
79                          .q_o    (dst_level)
80                        );
81                      
82                        ////////////////////////////////////////
83                        // convert level signal back to pulse //
84                        ////////////////////////////////////////
85                        logic dst_level_q;
86                      
87                        // delay dst_level by 1 cycle
88                        always_ff @(posedge clk_dst_i or negedge rst_dst_ni) begin
89         1/1              if (!rst_dst_ni) begin
           Tests:       T1 T4 T2 
90         1/1                dst_level_q <= 1'b0;
           Tests:       T1 T4 T2 
91                          end else begin
92         1/1                dst_level_q <= dst_level;
           Tests:       T1 T4 T2 
93                          end
94                        end
95                      
96                        // edge detection
97         1/1            assign dst_pulse_o = dst_level_q ^ dst_level;
           Tests:       T1 T4 T2

Cond Coverage for Instance : tb.dut.u_reg.u_com_out_ctl_1_cdc.u_arb.gen_passthru.u_dst_to_src_ack

	Total	Covered	Percent
Conditions	8	8	100.00
Logical	8	8	100.00
Non-Logical	0	0
Event	0	0

 LINE       34
 EXPRESSION (src_level ^ src_pulse_i)
             ----1----   -----2-----

-1-	-2-	Status	Tests
0	0	Covered	T1,T4,T2
0	1	Covered	T24,T30,T31
1	0	Covered	T24,T30,T31
1	1	Covered	T24,T30,T274

 LINE       97
 EXPRESSION (dst_level_q ^ dst_level)
             -----1-----   ----2----

-1-	-2-	Status	Tests
0	0	Covered	T1,T4,T2
0	1	Covered	T24,T30,T31
1	0	Covered	T24,T30,T274
1	1	Covered	T24,T30,T31

Branch Coverage for Instance : tb.dut.u_reg.u_com_out_ctl_1_cdc.u_arb.gen_passthru.u_dst_to_src_ack

	Line No.	Total	Covered	Percent
Branches		4	4	100.00
IF	31	2	2	100.00
IF	89	2	2	100.00



31             if (!rst_src_ni) begin
               -1-  
32               src_level <= 1'b0;
                 ==>
33             end else begin
34               src_level <= src_level ^ src_pulse_i;
                 ==>

Branches:

-1-	Status	Tests
1	Covered	T1,T4,T2
0	Covered	T1,T4,T2



89             if (!rst_dst_ni) begin
               -1-  
90               dst_level_q <= 1'b0;
                 ==>
91             end else begin
92               dst_level_q <= dst_level;
                 ==>

Branches:

-1-	Status	Tests
1	Covered	T1,T4,T2
0	Covered	T1,T4,T2

Assert Coverage for Instance : tb.dut.u_reg.u_com_out_ctl_1_cdc.u_arb.gen_passthru.u_dst_to_src_ack

	Total	Attempted	Percent	Succeeded/Matched	Percent
Assertions	2	2	100.00	2	100.00
Cover properties	0	0		0
Cover sequences	0	0		0
Total	2	2	100.00	2	100.00

Assertion Details

Name	Attempts	Real Successes	Failures	Incomplete
DstPulseCheck_A	1237025007	1752	0	0
SrcPulseCheck_M	5045782	1752	0	0

DstPulseCheck_A

Name	Attempts	Real Successes
Total	1237025007	1752
T10	460207	0
T11	335211	0
T24	845686	9
T30	0	9
T31	0	4
T37	0	8
T40	0	3
T52	0	6
T55	57704	0
T56	84396	0
T64	50595	0
T65	51023	0
T73	118680	0
T82	34502	0
T85	0	1
T86	0	3
T87	0	1
T90	197412	0
T91	0	4

SrcPulseCheck_M

Name	Attempts	Real Successes
Total	5045782	1752
T10	1200	0
T11	684	0
T24	7077	9
T30	0	9
T31	0	4
T37	0	8
T40	0	3
T52	0	6
T55	461	0
T56	674	0
T64	405	0
T65	425	0
T73	493	0
T82	530	0
T85	0	1
T86	0	3
T87	0	1
T90	415	0
T91	0	4

Line Coverage for Instance : tb.dut.u_reg.u_com_out_ctl_2_cdc.u_src_to_dst_req

	Line No.	Total	Covered	Percent
TOTAL		7	7	100.00
ALWAYS	31	3	3	100.00
CONT_ASSIGN	49	0	0
CONT_ASSIGN	52	0	0
ALWAYS	55	0	0
ALWAYS	89	3	3	100.00
CONT_ASSIGN	97	1	1	100.00



30                        always_ff @(posedge clk_src_i or negedge rst_src_ni) begin
31         1/1              if (!rst_src_ni) begin
           Tests:       T1 T4 T2 
32         1/1                src_level <= 1'b0;
           Tests:       T1 T4 T2 
33                          end else begin
34         1/1                src_level <= src_level ^ src_pulse_i;
           Tests:       T1 T4 T2 
35                          end
36                        end
37                      
38                      
39                        // source active must come far enough such that the destination domain has time
40                        // to create a valid pulse.
41                      `ifdef INC_ASSERT
42                        //VCS coverage off
43                        // pragma coverage off
44                      
45                        // source active flag tracks whether there is an ongoing "toggle" event.
46                        // Until this toggle event is accepted by the destination domain (negative edge of
47                        // of the pulse output), the source side cannot toggle again.
48                        logic effective_rst_n;
49         unreachable    assign effective_rst_n = rst_src_ni && dst_pulse_o;
50                      
51                        logic src_active_flag_d, src_active_flag_q;
52         unreachable    assign src_active_flag_d = src_pulse_i || src_active_flag_q;
53                      
54                        always_ff @(posedge clk_src_i or negedge effective_rst_n) begin
55         unreachable      if (!effective_rst_n) begin
56         unreachable        src_active_flag_q <= '0;
57                          end else begin
58         unreachable        src_active_flag_q <= src_active_flag_d;
59                          end
60                        end
61                      
62                        //VCS coverage on
63                        // pragma coverage on
64                      
65                        `ASSERT(SrcPulseCheck_M, src_pulse_i |-> !src_active_flag_q, clk_src_i, !rst_src_ni)
66                      `endif
67                      
68                        //////////////////////////////////////////////////////////
69                        // synchronize level signal to destination clock domain //
70                        //////////////////////////////////////////////////////////
71                        logic dst_level;
72                      
73                        prim_flop_2sync #(.Width(1)) prim_flop_2sync (
74                          // source clock domain
75                          .d_i    (src_level),
76                          // destination clock domain
77                          .clk_i  (clk_dst_i),
78                          .rst_ni (rst_dst_ni),
79                          .q_o    (dst_level)
80                        );
81                      
82                        ////////////////////////////////////////
83                        // convert level signal back to pulse //
84                        ////////////////////////////////////////
85                        logic dst_level_q;
86                      
87                        // delay dst_level by 1 cycle
88                        always_ff @(posedge clk_dst_i or negedge rst_dst_ni) begin
89         1/1              if (!rst_dst_ni) begin
           Tests:       T1 T4 T2 
90         1/1                dst_level_q <= 1'b0;
           Tests:       T1 T4 T2 
91                          end else begin
92         1/1                dst_level_q <= dst_level;
           Tests:       T1 T4 T2 
93                          end
94                        end
95                      
96                        // edge detection
97         1/1            assign dst_pulse_o = dst_level_q ^ dst_level;
           Tests:       T24 T30 T31

Cond Coverage for Instance : tb.dut.u_reg.u_com_out_ctl_2_cdc.u_src_to_dst_req

	Total	Covered	Percent
Conditions	8	8	100.00
Logical	8	8	100.00
Non-Logical	0	0
Event	0	0

 LINE       34
 EXPRESSION (src_level ^ src_pulse_i)
             ----1----   -----2-----

-1-	-2-	Status	Tests
0	0	Covered	T1,T4,T2
0	1	Covered	T24,T30,T31
1	0	Covered	T24,T30,T31
1	1	Covered	T24,T30,T274

 LINE       97
 EXPRESSION (dst_level_q ^ dst_level)
             -----1-----   ----2----

-1-	-2-	Status	Tests
0	0	Covered	T1,T4,T2
0	1	Covered	T24,T30,T31
1	0	Covered	T24,T30,T274
1	1	Covered	T24,T30,T31

Branch Coverage for Instance : tb.dut.u_reg.u_com_out_ctl_2_cdc.u_src_to_dst_req

	Line No.	Total	Covered	Percent
Branches		4	4	100.00
IF	31	2	2	100.00
IF	89	2	2	100.00



31             if (!rst_src_ni) begin
               -1-  
32               src_level <= 1'b0;
                 ==>
33             end else begin
34               src_level <= src_level ^ src_pulse_i;
                 ==>

Branches:

-1-	Status	Tests
1	Covered	T1,T4,T2
0	Covered	T1,T4,T2



89             if (!rst_dst_ni) begin
               -1-  
90               dst_level_q <= 1'b0;
                 ==>
91             end else begin
92               dst_level_q <= dst_level;
                 ==>

Branches:

-1-	Status	Tests
1	Covered	T1,T4,T2
0	Covered	T1,T4,T2

Assert Coverage for Instance : tb.dut.u_reg.u_com_out_ctl_2_cdc.u_src_to_dst_req

	Total	Attempted	Percent	Succeeded/Matched	Percent
Assertions	2	2	100.00	2	100.00
Cover properties	0	0		0
Cover sequences	0	0		0
Total	2	2	100.00	2	100.00

Assertion Details

Name	Attempts	Real Successes	Failures	Incomplete
DstPulseCheck_A	5045782	1640	0	0
SrcPulseCheck_M	1237025007	1752	0	0

DstPulseCheck_A

Name	Attempts	Real Successes
Total	5045782	1640
T10	1200	0
T11	684	0
T24	7077	9
T30	0	9
T31	0	4
T37	0	8
T40	0	3
T52	0	6
T55	461	0
T56	674	0
T64	405	0
T65	425	0
T73	493	0
T82	530	0
T85	0	1
T86	0	3
T87	0	1
T90	415	0
T91	0	4

SrcPulseCheck_M

Name	Attempts	Real Successes
Total	1237025007	1752
T10	460207	0
T11	335211	0
T24	845686	9
T30	0	9
T31	0	4
T37	0	8
T40	0	3
T52	0	6
T55	57704	0
T56	84396	0
T64	50595	0
T65	51023	0
T73	118680	0
T82	34502	0
T85	0	1
T86	0	3
T87	0	1
T90	197412	0
T91	0	4

Line Coverage for Instance : tb.dut.u_reg.u_com_out_ctl_2_cdc.u_arb.gen_passthru.u_dst_to_src_ack

	Line No.	Total	Covered	Percent
TOTAL		7	7	100.00
ALWAYS	31	3	3	100.00
CONT_ASSIGN	49	0	0
CONT_ASSIGN	52	0	0
ALWAYS	55	0	0
ALWAYS	89	3	3	100.00
CONT_ASSIGN	97	1	1	100.00



30                        always_ff @(posedge clk_src_i or negedge rst_src_ni) begin
31         1/1              if (!rst_src_ni) begin
           Tests:       T1 T4 T2 
32         1/1                src_level <= 1'b0;
           Tests:       T1 T4 T2 
33                          end else begin
34         1/1                src_level <= src_level ^ src_pulse_i;
           Tests:       T1 T4 T2 
35                          end
36                        end
37                      
38                      
39                        // source active must come far enough such that the destination domain has time
40                        // to create a valid pulse.
41                      `ifdef INC_ASSERT
42                        //VCS coverage off
43                        // pragma coverage off
44                      
45                        // source active flag tracks whether there is an ongoing "toggle" event.
46                        // Until this toggle event is accepted by the destination domain (negative edge of
47                        // of the pulse output), the source side cannot toggle again.
48                        logic effective_rst_n;
49         unreachable    assign effective_rst_n = rst_src_ni && dst_pulse_o;
50                      
51                        logic src_active_flag_d, src_active_flag_q;
52         unreachable    assign src_active_flag_d = src_pulse_i || src_active_flag_q;
53                      
54                        always_ff @(posedge clk_src_i or negedge effective_rst_n) begin
55         unreachable      if (!effective_rst_n) begin
56         unreachable        src_active_flag_q <= '0;
57                          end else begin
58         unreachable        src_active_flag_q <= src_active_flag_d;
59                          end
60                        end
61                      
62                        //VCS coverage on
63                        // pragma coverage on
64                      
65                        `ASSERT(SrcPulseCheck_M, src_pulse_i |-> !src_active_flag_q, clk_src_i, !rst_src_ni)
66                      `endif
67                      
68                        //////////////////////////////////////////////////////////
69                        // synchronize level signal to destination clock domain //
70                        //////////////////////////////////////////////////////////
71                        logic dst_level;
72                      
73                        prim_flop_2sync #(.Width(1)) prim_flop_2sync (
74                          // source clock domain
75                          .d_i    (src_level),
76                          // destination clock domain
77                          .clk_i  (clk_dst_i),
78                          .rst_ni (rst_dst_ni),
79                          .q_o    (dst_level)
80                        );
81                      
82                        ////////////////////////////////////////
83                        // convert level signal back to pulse //
84                        ////////////////////////////////////////
85                        logic dst_level_q;
86                      
87                        // delay dst_level by 1 cycle
88                        always_ff @(posedge clk_dst_i or negedge rst_dst_ni) begin
89         1/1              if (!rst_dst_ni) begin
           Tests:       T1 T4 T2 
90         1/1                dst_level_q <= 1'b0;
           Tests:       T1 T4 T2 
91                          end else begin
92         1/1                dst_level_q <= dst_level;
           Tests:       T1 T4 T2 
93                          end
94                        end
95                      
96                        // edge detection
97         1/1            assign dst_pulse_o = dst_level_q ^ dst_level;
           Tests:       T1 T4 T2

Cond Coverage for Instance : tb.dut.u_reg.u_com_out_ctl_2_cdc.u_arb.gen_passthru.u_dst_to_src_ack

	Total	Covered	Percent
Conditions	8	8	100.00
Logical	8	8	100.00
Non-Logical	0	0
Event	0	0

 LINE       34
 EXPRESSION (src_level ^ src_pulse_i)
             ----1----   -----2-----

-1-	-2-	Status	Tests
0	0	Covered	T1,T4,T2
0	1	Covered	T24,T30,T31
1	0	Covered	T24,T30,T31
1	1	Covered	T24,T30,T274

 LINE       97
 EXPRESSION (dst_level_q ^ dst_level)
             -----1-----   ----2----

-1-	-2-	Status	Tests
0	0	Covered	T1,T4,T2
0	1	Covered	T24,T30,T31
1	0	Covered	T24,T30,T274
1	1	Covered	T24,T30,T31

Branch Coverage for Instance : tb.dut.u_reg.u_com_out_ctl_2_cdc.u_arb.gen_passthru.u_dst_to_src_ack

	Line No.	Total	Covered	Percent
Branches		4	4	100.00
IF	31	2	2	100.00
IF	89	2	2	100.00



31             if (!rst_src_ni) begin
               -1-  
32               src_level <= 1'b0;
                 ==>
33             end else begin
34               src_level <= src_level ^ src_pulse_i;
                 ==>

Branches:

-1-	Status	Tests
1	Covered	T1,T4,T2
0	Covered	T1,T4,T2



89             if (!rst_dst_ni) begin
               -1-  
90               dst_level_q <= 1'b0;
                 ==>
91             end else begin
92               dst_level_q <= dst_level;
                 ==>

Branches:

-1-	Status	Tests
1	Covered	T1,T4,T2
0	Covered	T1,T4,T2

Assert Coverage for Instance : tb.dut.u_reg.u_com_out_ctl_2_cdc.u_arb.gen_passthru.u_dst_to_src_ack

	Total	Attempted	Percent	Succeeded/Matched	Percent
Assertions	2	2	100.00	2	100.00
Cover properties	0	0		0
Cover sequences	0	0		0
Total	2	2	100.00	2	100.00

Assertion Details

Name	Attempts	Real Successes	Failures	Incomplete
DstPulseCheck_A	1237025007	1745	0	0
SrcPulseCheck_M	5045782	1745	0	0

DstPulseCheck_A

Name	Attempts	Real Successes
Total	1237025007	1745
T10	460207	0
T11	335211	0
T24	845686	9
T30	0	9
T31	0	4
T37	0	8
T40	0	3
T52	0	6
T55	57704	0
T56	84396	0
T64	50595	0
T65	51023	0
T73	118680	0
T82	34502	0
T85	0	1
T86	0	3
T87	0	1
T90	197412	0
T91	0	4

SrcPulseCheck_M

Name	Attempts	Real Successes
Total	5045782	1745
T10	1200	0
T11	684	0
T24	7077	9
T30	0	9
T31	0	4
T37	0	8
T40	0	3
T52	0	6
T55	461	0
T56	674	0
T64	405	0
T65	425	0
T73	493	0
T82	530	0
T85	0	1
T86	0	3
T87	0	1
T90	415	0
T91	0	4

Line Coverage for Instance : tb.dut.u_reg.u_com_out_ctl_3_cdc.u_src_to_dst_req

	Line No.	Total	Covered	Percent
TOTAL		7	7	100.00
ALWAYS	31	3	3	100.00
CONT_ASSIGN	49	0	0
CONT_ASSIGN	52	0	0
ALWAYS	55	0	0
ALWAYS	89	3	3	100.00
CONT_ASSIGN	97	1	1	100.00



30                        always_ff @(posedge clk_src_i or negedge rst_src_ni) begin
31         1/1              if (!rst_src_ni) begin
           Tests:       T1 T4 T2 
32         1/1                src_level <= 1'b0;
           Tests:       T1 T4 T2 
33                          end else begin
34         1/1                src_level <= src_level ^ src_pulse_i;
           Tests:       T1 T4 T2 
35                          end
36                        end
37                      
38                      
39                        // source active must come far enough such that the destination domain has time
40                        // to create a valid pulse.
41                      `ifdef INC_ASSERT
42                        //VCS coverage off
43                        // pragma coverage off
44                      
45                        // source active flag tracks whether there is an ongoing "toggle" event.
46                        // Until this toggle event is accepted by the destination domain (negative edge of
47                        // of the pulse output), the source side cannot toggle again.
48                        logic effective_rst_n;
49         unreachable    assign effective_rst_n = rst_src_ni && dst_pulse_o;
50                      
51                        logic src_active_flag_d, src_active_flag_q;
52         unreachable    assign src_active_flag_d = src_pulse_i || src_active_flag_q;
53                      
54                        always_ff @(posedge clk_src_i or negedge effective_rst_n) begin
55         unreachable      if (!effective_rst_n) begin
56         unreachable        src_active_flag_q <= '0;
57                          end else begin
58         unreachable        src_active_flag_q <= src_active_flag_d;
59                          end
60                        end
61                      
62                        //VCS coverage on
63                        // pragma coverage on
64                      
65                        `ASSERT(SrcPulseCheck_M, src_pulse_i |-> !src_active_flag_q, clk_src_i, !rst_src_ni)
66                      `endif
67                      
68                        //////////////////////////////////////////////////////////
69                        // synchronize level signal to destination clock domain //
70                        //////////////////////////////////////////////////////////
71                        logic dst_level;
72                      
73                        prim_flop_2sync #(.Width(1)) prim_flop_2sync (
74                          // source clock domain
75                          .d_i    (src_level),
76                          // destination clock domain
77                          .clk_i  (clk_dst_i),
78                          .rst_ni (rst_dst_ni),
79                          .q_o    (dst_level)
80                        );
81                      
82                        ////////////////////////////////////////
83                        // convert level signal back to pulse //
84                        ////////////////////////////////////////
85                        logic dst_level_q;
86                      
87                        // delay dst_level by 1 cycle
88                        always_ff @(posedge clk_dst_i or negedge rst_dst_ni) begin
89         1/1              if (!rst_dst_ni) begin
           Tests:       T1 T4 T2 
90         1/1                dst_level_q <= 1'b0;
           Tests:       T1 T4 T2 
91                          end else begin
92         1/1                dst_level_q <= dst_level;
           Tests:       T1 T4 T2 
93                          end
94                        end
95                      
96                        // edge detection
97         1/1            assign dst_pulse_o = dst_level_q ^ dst_level;
           Tests:       T24 T30 T31

Cond Coverage for Instance : tb.dut.u_reg.u_com_out_ctl_3_cdc.u_src_to_dst_req

	Total	Covered	Percent
Conditions	8	8	100.00
Logical	8	8	100.00
Non-Logical	0	0
Event	0	0

 LINE       34
 EXPRESSION (src_level ^ src_pulse_i)
             ----1----   -----2-----

-1-	-2-	Status	Tests
0	0	Covered	T1,T4,T2
0	1	Covered	T24,T30,T31
1	0	Covered	T24,T30,T31
1	1	Covered	T24,T30,T274

 LINE       97
 EXPRESSION (dst_level_q ^ dst_level)
             -----1-----   ----2----

-1-	-2-	Status	Tests
0	0	Covered	T1,T4,T2
0	1	Covered	T24,T30,T31
1	0	Covered	T24,T30,T274
1	1	Covered	T24,T30,T31

Branch Coverage for Instance : tb.dut.u_reg.u_com_out_ctl_3_cdc.u_src_to_dst_req

	Line No.	Total	Covered	Percent
Branches		4	4	100.00
IF	31	2	2	100.00
IF	89	2	2	100.00



31             if (!rst_src_ni) begin
               -1-  
32               src_level <= 1'b0;
                 ==>
33             end else begin
34               src_level <= src_level ^ src_pulse_i;
                 ==>

Branches:

-1-	Status	Tests
1	Covered	T1,T4,T2
0	Covered	T1,T4,T2



89             if (!rst_dst_ni) begin
               -1-  
90               dst_level_q <= 1'b0;
                 ==>
91             end else begin
92               dst_level_q <= dst_level;
                 ==>

Branches:

-1-	Status	Tests
1	Covered	T1,T4,T2
0	Covered	T1,T4,T2

Assert Coverage for Instance : tb.dut.u_reg.u_com_out_ctl_3_cdc.u_src_to_dst_req

	Total	Attempted	Percent	Succeeded/Matched	Percent
Assertions	2	2	100.00	2	100.00
Cover properties	0	0		0
Cover sequences	0	0		0
Total	2	2	100.00	2	100.00

Assertion Details

Name	Attempts	Real Successes	Failures	Incomplete
DstPulseCheck_A	5045782	1637	0	0
SrcPulseCheck_M	1237025007	1748	0	0

DstPulseCheck_A

Name	Attempts	Real Successes
Total	5045782	1637
T10	1200	0
T11	684	0
T24	7077	9
T30	0	9
T31	0	4
T37	0	8
T40	0	3
T52	0	6
T55	461	0
T56	674	0
T64	405	0
T65	425	0
T73	493	0
T82	530	0
T85	0	1
T86	0	3
T87	0	1
T90	415	0
T91	0	4

SrcPulseCheck_M

Name	Attempts	Real Successes
Total	1237025007	1748
T10	460207	0
T11	335211	0
T24	845686	9
T30	0	9
T31	0	4
T37	0	8
T40	0	3
T52	0	6
T55	57704	0
T56	84396	0
T64	50595	0
T65	51023	0
T73	118680	0
T82	34502	0
T85	0	1
T86	0	3
T87	0	1
T90	197412	0
T91	0	4

Line Coverage for Instance : tb.dut.u_reg.u_com_out_ctl_3_cdc.u_arb.gen_passthru.u_dst_to_src_ack

	Line No.	Total	Covered	Percent
TOTAL		7	7	100.00
ALWAYS	31	3	3	100.00
CONT_ASSIGN	49	0	0
CONT_ASSIGN	52	0	0
ALWAYS	55	0	0
ALWAYS	89	3	3	100.00
CONT_ASSIGN	97	1	1	100.00



30                        always_ff @(posedge clk_src_i or negedge rst_src_ni) begin
31         1/1              if (!rst_src_ni) begin
           Tests:       T1 T4 T2 
32         1/1                src_level <= 1'b0;
           Tests:       T1 T4 T2 
33                          end else begin
34         1/1                src_level <= src_level ^ src_pulse_i;
           Tests:       T1 T4 T2 
35                          end
36                        end
37                      
38                      
39                        // source active must come far enough such that the destination domain has time
40                        // to create a valid pulse.
41                      `ifdef INC_ASSERT
42                        //VCS coverage off
43                        // pragma coverage off
44                      
45                        // source active flag tracks whether there is an ongoing "toggle" event.
46                        // Until this toggle event is accepted by the destination domain (negative edge of
47                        // of the pulse output), the source side cannot toggle again.
48                        logic effective_rst_n;
49         unreachable    assign effective_rst_n = rst_src_ni && dst_pulse_o;
50                      
51                        logic src_active_flag_d, src_active_flag_q;
52         unreachable    assign src_active_flag_d = src_pulse_i || src_active_flag_q;
53                      
54                        always_ff @(posedge clk_src_i or negedge effective_rst_n) begin
55         unreachable      if (!effective_rst_n) begin
56         unreachable        src_active_flag_q <= '0;
57                          end else begin
58         unreachable        src_active_flag_q <= src_active_flag_d;
59                          end
60                        end
61                      
62                        //VCS coverage on
63                        // pragma coverage on
64                      
65                        `ASSERT(SrcPulseCheck_M, src_pulse_i |-> !src_active_flag_q, clk_src_i, !rst_src_ni)
66                      `endif
67                      
68                        //////////////////////////////////////////////////////////
69                        // synchronize level signal to destination clock domain //
70                        //////////////////////////////////////////////////////////
71                        logic dst_level;
72                      
73                        prim_flop_2sync #(.Width(1)) prim_flop_2sync (
74                          // source clock domain
75                          .d_i    (src_level),
76                          // destination clock domain
77                          .clk_i  (clk_dst_i),
78                          .rst_ni (rst_dst_ni),
79                          .q_o    (dst_level)
80                        );
81                      
82                        ////////////////////////////////////////
83                        // convert level signal back to pulse //
84                        ////////////////////////////////////////
85                        logic dst_level_q;
86                      
87                        // delay dst_level by 1 cycle
88                        always_ff @(posedge clk_dst_i or negedge rst_dst_ni) begin
89         1/1              if (!rst_dst_ni) begin
           Tests:       T1 T4 T2 
90         1/1                dst_level_q <= 1'b0;
           Tests:       T1 T4 T2 
91                          end else begin
92         1/1                dst_level_q <= dst_level;
           Tests:       T1 T4 T2 
93                          end
94                        end
95                      
96                        // edge detection
97         1/1            assign dst_pulse_o = dst_level_q ^ dst_level;
           Tests:       T1 T4 T2

Cond Coverage for Instance : tb.dut.u_reg.u_com_out_ctl_3_cdc.u_arb.gen_passthru.u_dst_to_src_ack

	Total	Covered	Percent
Conditions	8	8	100.00
Logical	8	8	100.00
Non-Logical	0	0
Event	0	0

 LINE       34
 EXPRESSION (src_level ^ src_pulse_i)
             ----1----   -----2-----

-1-	-2-	Status	Tests
0	0	Covered	T1,T4,T2
0	1	Covered	T24,T30,T31
1	0	Covered	T24,T30,T31
1	1	Covered	T24,T30,T274

 LINE       97
 EXPRESSION (dst_level_q ^ dst_level)
             -----1-----   ----2----

-1-	-2-	Status	Tests
0	0	Covered	T1,T4,T2
0	1	Covered	T24,T30,T31
1	0	Covered	T24,T30,T274
1	1	Covered	T24,T30,T31

Branch Coverage for Instance : tb.dut.u_reg.u_com_out_ctl_3_cdc.u_arb.gen_passthru.u_dst_to_src_ack

	Line No.	Total	Covered	Percent
Branches		4	4	100.00
IF	31	2	2	100.00
IF	89	2	2	100.00



31             if (!rst_src_ni) begin
               -1-  
32               src_level <= 1'b0;
                 ==>
33             end else begin
34               src_level <= src_level ^ src_pulse_i;
                 ==>

Branches:

-1-	Status	Tests
1	Covered	T1,T4,T2
0	Covered	T1,T4,T2



89             if (!rst_dst_ni) begin
               -1-  
90               dst_level_q <= 1'b0;
                 ==>
91             end else begin
92               dst_level_q <= dst_level;
                 ==>

Branches:

-1-	Status	Tests
1	Covered	T1,T4,T2
0	Covered	T1,T4,T2

Assert Coverage for Instance : tb.dut.u_reg.u_com_out_ctl_3_cdc.u_arb.gen_passthru.u_dst_to_src_ack

	Total	Attempted	Percent	Succeeded/Matched	Percent
Assertions	2	2	100.00	2	100.00
Cover properties	0	0		0
Cover sequences	0	0		0
Total	2	2	100.00	2	100.00

Assertion Details

Name	Attempts	Real Successes	Failures	Incomplete
DstPulseCheck_A	1237025007	1743	0	0
SrcPulseCheck_M	5045782	1743	0	0

DstPulseCheck_A

Name	Attempts	Real Successes
Total	1237025007	1743
T10	460207	0
T11	335211	0
T24	845686	9
T30	0	9
T31	0	4
T37	0	8
T40	0	3
T52	0	6
T55	57704	0
T56	84396	0
T64	50595	0
T65	51023	0
T73	118680	0
T82	34502	0
T85	0	1
T86	0	3
T87	0	1
T90	197412	0
T91	0	4

SrcPulseCheck_M

Name	Attempts	Real Successes
Total	5045782	1743
T10	1200	0
T11	684	0
T24	7077	9
T30	0	9
T31	0	4
T37	0	8
T40	0	3
T52	0	6
T55	461	0
T56	674	0
T64	405	0
T65	425	0
T73	493	0
T82	530	0
T85	0	1
T86	0	3
T87	0	1
T90	415	0
T91	0	4

SCORE	LINE	COND	TOGGLE	FSM	BRANCH	ASSERT	NAME
97.73	100.00	90.91			100.00	100.00	u_ec_rst_ctl_cdc

SCORE	LINE	COND	TOGGLE	FSM	BRANCH	ASSERT	NAME
83.33	100.00	66.67					u_arb

SCORE	LINE	COND	TOGGLE	FSM	BRANCH	ASSERT	NAME
97.73	100.00	90.91			100.00	100.00	u_ulp_ac_debounce_ctl_cdc

SCORE	LINE	COND	TOGGLE	FSM	BRANCH	ASSERT	NAME
83.33	100.00	66.67					u_arb

SCORE	LINE	COND	TOGGLE	FSM	BRANCH	ASSERT	NAME
97.73	100.00	90.91			100.00	100.00	u_ulp_lid_debounce_ctl_cdc