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 T5 
32         1/1                src_level <= 1'b0;
           Tests:       T1 T4 T5 
33                          end else begin
34         1/1                src_level <= src_level ^ src_pulse_i;
           Tests:       T1 T4 T5 
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 T5 
90         1/1                dst_level_q <= 1'b0;
           Tests:       T1 T4 T5 
91                          end else begin
92         1/1                dst_level_q <= dst_level;
           Tests:       T1 T4 T5 
93                          end
94                        end
95                      
96                        // edge detection
97         1/1            assign dst_pulse_o = dst_level_q ^ dst_level;
           Tests:       T1 T4 T5

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,T5
0	1	Covered	T1,T5,T2
1	0	Covered	T1,T5,T2
1	1	Covered	T2,T10,T17

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

-1-	-2-	Status	Tests
0	0	Covered	T1,T4,T5
0	1	Covered	T1,T5,T2
1	0	Covered	T2,T10,T17
1	1	Covered	T1,T5,T2

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,T5
0	Covered	T1,T4,T5



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,T5
0	Covered	T1,T4,T5

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	211101	0	0
SrcPulseCheck_M	2147483647	213547	0	0

DstPulseCheck_A

Name	Attempts	Real Successes
Total	2147483647	211101
T1	42084	1
T2	40625	0
T3	83059	0
T4	48829	0
T5	54724	1
T7	20998	1
T8	117308	1
T9	0	1
T12	0	1
T13	203324	0
T14	174355	0
T15	120942	0
T16	362715	12
T17	0	1
T22	100328	0
T24	102706	0
T25	478106	0
T26	379416	12
T27	291562	14
T28	0	1
T32	303147	0
T57	0	1
T58	0	16
T59	0	1
T60	0	14
T61	0	14
T62	0	2
T63	0	12
T64	0	14
T65	0	12
T66	86184	0
T67	210826	0
T68	183492	0
T69	60619	0
T70	0	6

SrcPulseCheck_M

Name	Attempts	Real Successes
Total	2147483647	213547
T1	42084	1
T2	40625	0
T3	83059	0
T4	48829	0
T5	54724	1
T7	20998	1
T8	117308	1
T9	0	1
T12	0	1
T13	203324	0
T14	174355	0
T15	120942	0
T16	362715	12
T17	0	1
T22	100328	0
T24	102706	0
T25	478106	0
T26	379416	12
T27	291562	14
T28	0	1
T32	7578	0
T57	0	1
T58	0	16
T59	0	1
T60	0	14
T61	0	14
T62	0	4
T63	0	12
T64	0	14
T65	0	12
T66	86184	0
T67	210826	0
T68	183492	0
T69	505	0
T70	0	3

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 T5 
32         1/1                src_level <= 1'b0;
           Tests:       T1 T4 T5 
33                          end else begin
34         1/1                src_level <= src_level ^ src_pulse_i;
           Tests:       T1 T4 T5 
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 T5 
90         1/1                dst_level_q <= 1'b0;
           Tests:       T1 T4 T5 
91                          end else begin
92         1/1                dst_level_q <= dst_level;
           Tests:       T1 T4 T5 
93                          end
94                        end
95                      
96                        // edge detection
97         1/1            assign dst_pulse_o = dst_level_q ^ dst_level;
           Tests:       T1 T5 T7

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,T5
0	1	Covered	T1,T5,T7
1	0	Covered	T1,T5,T7
1	1	Covered	T35,T38,T18

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

-1-	-2-	Status	Tests
0	0	Covered	T1,T4,T5
0	1	Covered	T1,T5,T7
1	0	Covered	T35,T38,T18
1	1	Covered	T1,T5,T7

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,T5
0	Covered	T1,T4,T5



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,T5
0	Covered	T1,T4,T5

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	6093881	1804	0	0
SrcPulseCheck_M	1194890855	1875	0	0

DstPulseCheck_A

Name	Attempts	Real Successes
Total	6093881	1804
T1	489	1
T2	1386	0
T3	1092	0
T4	421	0
T5	471	1
T7	511	1
T8	0	1
T9	0	1
T13	422	0
T14	497	0
T15	523	0
T16	668	0
T28	0	1
T57	0	1
T78	0	1
T79	0	1
T80	0	1

SrcPulseCheck_M

Name	Attempts	Real Successes
Total	1194890855	1875
T1	41595	1
T2	39239	0
T3	81967	0
T4	48408	0
T5	54253	1
T7	20487	1
T8	0	1
T9	0	1
T13	202902	0
T14	173858	0
T15	120419	0
T16	120237	0
T28	0	1
T57	0	1
T78	0	1
T79	0	1
T80	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 T5 
32         1/1                src_level <= 1'b0;
           Tests:       T1 T4 T5 
33                          end else begin
34         1/1                src_level <= src_level ^ src_pulse_i;
           Tests:       T1 T4 T5 
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 T5 
90         1/1                dst_level_q <= 1'b0;
           Tests:       T1 T4 T5 
91                          end else begin
92         1/1                dst_level_q <= dst_level;
           Tests:       T1 T4 T5 
93                          end
94                        end
95                      
96                        // edge detection
97         1/1            assign dst_pulse_o = dst_level_q ^ dst_level;
           Tests:       T1 T4 T5

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,T5
0	1	Covered	T1,T5,T7
1	0	Covered	T1,T5,T7
1	1	Covered	T35,T38,T18

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

-1-	-2-	Status	Tests
0	0	Covered	T1,T4,T5
0	1	Covered	T1,T5,T7
1	0	Covered	T35,T38,T18
1	1	Covered	T1,T5,T7

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,T5
0	Covered	T1,T4,T5



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,T5
0	Covered	T1,T4,T5

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	1194890855	1867	0	0
SrcPulseCheck_M	6093881	1867	0	0

DstPulseCheck_A

Name	Attempts	Real Successes
Total	1194890855	1867
T1	41595	1
T2	39239	0
T3	81967	0
T4	48408	0
T5	54253	1
T7	20487	1
T8	0	1
T9	0	1
T13	202902	0
T14	173858	0
T15	120419	0
T16	120237	0
T28	0	1
T57	0	1
T78	0	1
T79	0	1
T80	0	1

SrcPulseCheck_M

Name	Attempts	Real Successes
Total	6093881	1867
T1	489	1
T2	1386	0
T3	1092	0
T4	421	0
T5	471	1
T7	511	1
T8	0	1
T9	0	1
T13	422	0
T14	497	0
T15	523	0
T16	668	0
T28	0	1
T57	0	1
T78	0	1
T79	0	1
T80	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 T5 
32         1/1                src_level <= 1'b0;
           Tests:       T1 T4 T5 
33                          end else begin
34         1/1                src_level <= src_level ^ src_pulse_i;
           Tests:       T1 T4 T5 
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 T5 
90         1/1                dst_level_q <= 1'b0;
           Tests:       T1 T4 T5 
91                          end else begin
92         1/1                dst_level_q <= dst_level;
           Tests:       T1 T4 T5 
93                          end
94                        end
95                      
96                        // edge detection
97         1/1            assign dst_pulse_o = dst_level_q ^ dst_level;
           Tests:       T2 T10 T17

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,T5
0	1	Covered	T2,T10,T17
1	0	Covered	T2,T10,T17
1	1	Covered	T2,T10,T72

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

-1-	-2-	Status	Tests
0	0	Covered	T1,T4,T5
0	1	Covered	T2,T10,T17
1	0	Covered	T2,T10,T72
1	1	Covered	T2,T10,T17

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,T5
0	Covered	T1,T4,T5



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,T5
0	Covered	T1,T4,T5

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	6093881	930	0	0
SrcPulseCheck_M	1194890855	1005	0	0

DstPulseCheck_A

Name	Attempts	Real Successes
Total	6093881	930
T2	1386	2
T3	1092	0
T7	511	0
T10	0	2
T14	497	0
T15	523	0
T16	668	0
T17	0	1
T24	508	0
T25	502	0
T26	1505	0
T66	426	0
T72	0	2
T73	0	3
T74	0	2
T75	0	1
T76	0	1
T77	0	1
T81	0	3

SrcPulseCheck_M

Name	Attempts	Real Successes
Total	1194890855	1005
T2	39239	2
T3	81967	0
T7	20487	0
T10	0	2
T14	173858	0
T15	120419	0
T16	120237	0
T17	0	1
T24	50845	0
T25	238551	0
T26	188203	0
T66	42666	0
T72	0	2
T73	0	3
T74	0	2
T75	0	1
T76	0	1
T77	0	1
T81	0	3

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 T5 
32         1/1                src_level <= 1'b0;
           Tests:       T1 T4 T5 
33                          end else begin
34         1/1                src_level <= src_level ^ src_pulse_i;
           Tests:       T1 T4 T5 
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 T5 
90         1/1                dst_level_q <= 1'b0;
           Tests:       T1 T4 T5 
91                          end else begin
92         1/1                dst_level_q <= dst_level;
           Tests:       T1 T4 T5 
93                          end
94                        end
95                      
96                        // edge detection
97         1/1            assign dst_pulse_o = dst_level_q ^ dst_level;
           Tests:       T1 T4 T5

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,T5
0	1	Covered	T2,T10,T17
1	0	Covered	T2,T10,T17
1	1	Covered	T2,T10,T72

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

-1-	-2-	Status	Tests
0	0	Covered	T1,T4,T5
0	1	Covered	T2,T10,T17
1	0	Covered	T2,T10,T72
1	1	Covered	T2,T10,T17

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,T5
0	Covered	T1,T4,T5



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,T5
0	Covered	T1,T4,T5

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	1194890855	995	0	0
SrcPulseCheck_M	6093881	995	0	0

DstPulseCheck_A

Name	Attempts	Real Successes
Total	1194890855	995
T2	39239	2
T3	81967	0
T7	20487	0
T10	0	2
T14	173858	0
T15	120419	0
T16	120237	0
T17	0	1
T24	50845	0
T25	238551	0
T26	188203	0
T66	42666	0
T72	0	2
T73	0	3
T74	0	2
T75	0	1
T76	0	1
T77	0	1
T81	0	3

SrcPulseCheck_M

Name	Attempts	Real Successes
Total	6093881	995
T2	1386	2
T3	1092	0
T7	511	0
T10	0	2
T14	497	0
T15	523	0
T16	668	0
T17	0	1
T24	508	0
T25	502	0
T26	1505	0
T66	426	0
T72	0	2
T73	0	3
T74	0	2
T75	0	1
T76	0	1
T77	0	1
T81	0	3

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 T5 
32         1/1                src_level <= 1'b0;
           Tests:       T1 T4 T5 
33                          end else begin
34         1/1                src_level <= src_level ^ src_pulse_i;
           Tests:       T1 T4 T5 
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 T5 
90         1/1                dst_level_q <= 1'b0;
           Tests:       T1 T4 T5 
91                          end else begin
92         1/1                dst_level_q <= dst_level;
           Tests:       T1 T4 T5 
93                          end
94                        end
95                      
96                        // edge detection
97         1/1            assign dst_pulse_o = dst_level_q ^ dst_level;
           Tests:       T2 T10 T17

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,T5
0	1	Covered	T2,T10,T17
1	0	Covered	T2,T10,T17
1	1	Covered	T2,T10,T72

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

-1-	-2-	Status	Tests
0	0	Covered	T1,T4,T5
0	1	Covered	T2,T10,T17
1	0	Covered	T2,T10,T72
1	1	Covered	T2,T10,T17

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,T5
0	Covered	T1,T4,T5



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,T5
0	Covered	T1,T4,T5

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	6093881	919	0	0
SrcPulseCheck_M	1194890855	987	0	0

DstPulseCheck_A

Name	Attempts	Real Successes
Total	6093881	919
T2	1386	2
T3	1092	0
T7	511	0
T10	0	2
T14	497	0
T15	523	0
T16	668	0
T17	0	1
T24	508	0
T25	502	0
T26	1505	0
T66	426	0
T72	0	2
T73	0	3
T74	0	2
T75	0	1
T76	0	1
T77	0	1
T81	0	3

SrcPulseCheck_M

Name	Attempts	Real Successes
Total	1194890855	987
T2	39239	2
T3	81967	0
T7	20487	0
T10	0	2
T14	173858	0
T15	120419	0
T16	120237	0
T17	0	1
T24	50845	0
T25	238551	0
T26	188203	0
T66	42666	0
T72	0	2
T73	0	3
T74	0	2
T75	0	1
T76	0	1
T77	0	1
T81	0	3

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 T5 
32         1/1                src_level <= 1'b0;
           Tests:       T1 T4 T5 
33                          end else begin
34         1/1                src_level <= src_level ^ src_pulse_i;
           Tests:       T1 T4 T5 
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 T5 
90         1/1                dst_level_q <= 1'b0;
           Tests:       T1 T4 T5 
91                          end else begin
92         1/1                dst_level_q <= dst_level;
           Tests:       T1 T4 T5 
93                          end
94                        end
95                      
96                        // edge detection
97         1/1            assign dst_pulse_o = dst_level_q ^ dst_level;
           Tests:       T1 T4 T5

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,T5
0	1	Covered	T2,T10,T17
1	0	Covered	T2,T10,T17
1	1	Covered	T2,T10,T72

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

-1-	-2-	Status	Tests
0	0	Covered	T1,T4,T5
0	1	Covered	T2,T10,T17
1	0	Covered	T2,T10,T72
1	1	Covered	T2,T10,T17

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,T5
0	Covered	T1,T4,T5



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,T5
0	Covered	T1,T4,T5

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	1194890855	980	0	0
SrcPulseCheck_M	6093881	980	0	0

DstPulseCheck_A

Name	Attempts	Real Successes
Total	1194890855	980
T2	39239	2
T3	81967	0
T7	20487	0
T10	0	2
T14	173858	0
T15	120419	0
T16	120237	0
T17	0	1
T24	50845	0
T25	238551	0
T26	188203	0
T66	42666	0
T72	0	2
T73	0	3
T74	0	2
T75	0	1
T76	0	1
T77	0	1
T81	0	3

SrcPulseCheck_M

Name	Attempts	Real Successes
Total	6093881	980
T2	1386	2
T3	1092	0
T7	511	0
T10	0	2
T14	497	0
T15	523	0
T16	668	0
T17	0	1
T24	508	0
T25	502	0
T26	1505	0
T66	426	0
T72	0	2
T73	0	3
T74	0	2
T75	0	1
T76	0	1
T77	0	1
T81	0	3

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 T5 
32         1/1                src_level <= 1'b0;
           Tests:       T1 T4 T5 
33                          end else begin
34         1/1                src_level <= src_level ^ src_pulse_i;
           Tests:       T1 T4 T5 
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 T5 
90         1/1                dst_level_q <= 1'b0;
           Tests:       T1 T4 T5 
91                          end else begin
92         1/1                dst_level_q <= dst_level;
           Tests:       T1 T4 T5 
93                          end
94                        end
95                      
96                        // edge detection
97         1/1            assign dst_pulse_o = dst_level_q ^ dst_level;
           Tests:       T2 T10 T17

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,T5
0	1	Covered	T2,T10,T17
1	0	Covered	T2,T10,T17
1	1	Covered	T2,T10,T72

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

-1-	-2-	Status	Tests
0	0	Covered	T1,T4,T5
0	1	Covered	T2,T10,T17
1	0	Covered	T2,T10,T72
1	1	Covered	T2,T10,T17

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,T5
0	Covered	T1,T4,T5



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,T5
0	Covered	T1,T4,T5

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	6093881	917	0	0
SrcPulseCheck_M	1194890855	989	0	0

DstPulseCheck_A

Name	Attempts	Real Successes
Total	6093881	917
T2	1386	2
T3	1092	0
T7	511	0
T10	0	2
T14	497	0
T15	523	0
T16	668	0
T17	0	1
T24	508	0
T25	502	0
T26	1505	0
T66	426	0
T72	0	2
T73	0	3
T74	0	2
T75	0	1
T76	0	1
T77	0	1
T81	0	3

SrcPulseCheck_M

Name	Attempts	Real Successes
Total	1194890855	989
T2	39239	2
T3	81967	0
T7	20487	0
T10	0	2
T14	173858	0
T15	120419	0
T16	120237	0
T17	0	1
T24	50845	0
T25	238551	0
T26	188203	0
T66	42666	0
T72	0	2
T73	0	3
T74	0	2
T75	0	1
T76	0	1
T77	0	1
T81	0	3

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 T5 
32         1/1                src_level <= 1'b0;
           Tests:       T1 T4 T5 
33                          end else begin
34         1/1                src_level <= src_level ^ src_pulse_i;
           Tests:       T1 T4 T5 
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 T5 
90         1/1                dst_level_q <= 1'b0;
           Tests:       T1 T4 T5 
91                          end else begin
92         1/1                dst_level_q <= dst_level;
           Tests:       T1 T4 T5 
93                          end
94                        end
95                      
96                        // edge detection
97         1/1            assign dst_pulse_o = dst_level_q ^ dst_level;
           Tests:       T1 T4 T5

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,T5
0	1	Covered	T2,T10,T17
1	0	Covered	T2,T10,T17
1	1	Covered	T2,T10,T72

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

-1-	-2-	Status	Tests
0	0	Covered	T1,T4,T5
0	1	Covered	T2,T10,T17
1	0	Covered	T2,T10,T72
1	1	Covered	T2,T10,T17

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,T5
0	Covered	T1,T4,T5



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,T5
0	Covered	T1,T4,T5

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	1194890855	981	0	0
SrcPulseCheck_M	6093881	981	0	0

DstPulseCheck_A

Name	Attempts	Real Successes
Total	1194890855	981
T2	39239	2
T3	81967	0
T7	20487	0
T10	0	2
T14	173858	0
T15	120419	0
T16	120237	0
T17	0	1
T24	50845	0
T25	238551	0
T26	188203	0
T66	42666	0
T72	0	2
T73	0	3
T74	0	2
T75	0	1
T76	0	1
T77	0	1
T81	0	3

SrcPulseCheck_M

Name	Attempts	Real Successes
Total	6093881	981
T2	1386	2
T3	1092	0
T7	511	0
T10	0	2
T14	497	0
T15	523	0
T16	668	0
T17	0	1
T24	508	0
T25	502	0
T26	1505	0
T66	426	0
T72	0	2
T73	0	3
T74	0	2
T75	0	1
T76	0	1
T77	0	1
T81	0	3

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 T5 
32         1/1                src_level <= 1'b0;
           Tests:       T1 T4 T5 
33                          end else begin
34         1/1                src_level <= src_level ^ src_pulse_i;
           Tests:       T1 T4 T5 
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 T5 
90         1/1                dst_level_q <= 1'b0;
           Tests:       T1 T4 T5 
91                          end else begin
92         1/1                dst_level_q <= dst_level;
           Tests:       T1 T4 T5 
93                          end
94                        end
95                      
96                        // edge detection
97         1/1            assign dst_pulse_o = dst_level_q ^ dst_level;
           Tests:       T2 T10 T17

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,T5
0	1	Covered	T2,T10,T17
1	0	Covered	T2,T10,T17
1	1	Covered	T2,T10,T17

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

-1-	-2-	Status	Tests
0	0	Covered	T1,T4,T5
0	1	Covered	T2,T10,T17
1	0	Covered	T2,T10,T17
1	1	Covered	T2,T10,T17

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,T5
0	Covered	T1,T4,T5



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,T5
0	Covered	T1,T4,T5

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	6093881	927	0	0
SrcPulseCheck_M	1194890855	999	0	0

DstPulseCheck_A

Name	Attempts	Real Successes
Total	6093881	927
T2	1386	2
T3	1092	0
T7	511	0
T10	0	4
T14	497	0
T15	523	0
T16	668	0
T17	0	2
T24	508	0
T25	502	0
T26	1505	0
T66	426	0
T72	0	4
T73	0	2
T74	0	4
T75	0	2
T76	0	2
T77	0	2
T109	0	2

SrcPulseCheck_M

Name	Attempts	Real Successes
Total	1194890855	999
T2	39239	2
T3	81967	0
T7	20487	0
T10	0	4
T14	173858	0
T15	120419	0
T16	120237	0
T17	0	2
T24	50845	0
T25	238551	0
T26	188203	0
T66	42666	0
T72	0	4
T73	0	2
T74	0	4
T75	0	2
T76	0	2
T77	0	2
T109	0	2

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 T5 
32         1/1                src_level <= 1'b0;
           Tests:       T1 T4 T5 
33                          end else begin
34         1/1                src_level <= src_level ^ src_pulse_i;
           Tests:       T1 T4 T5 
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 T5 
90         1/1                dst_level_q <= 1'b0;
           Tests:       T1 T4 T5 
91                          end else begin
92         1/1                dst_level_q <= dst_level;
           Tests:       T1 T4 T5 
93                          end
94                        end
95                      
96                        // edge detection
97         1/1            assign dst_pulse_o = dst_level_q ^ dst_level;
           Tests:       T1 T4 T5

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,T5
0	1	Covered	T2,T10,T17
1	0	Covered	T2,T10,T17
1	1	Covered	T2,T10,T17

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

-1-	-2-	Status	Tests
0	0	Covered	T1,T4,T5
0	1	Covered	T2,T10,T17
1	0	Covered	T2,T10,T17
1	1	Covered	T2,T10,T17

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,T5
0	Covered	T1,T4,T5



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,T5
0	Covered	T1,T4,T5

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	1194890855	993	0	0
SrcPulseCheck_M	6093881	993	0	0

DstPulseCheck_A

Name	Attempts	Real Successes
Total	1194890855	993
T2	39239	2
T3	81967	0
T7	20487	0
T10	0	4
T14	173858	0
T15	120419	0
T16	120237	0
T17	0	2
T24	50845	0
T25	238551	0
T26	188203	0
T66	42666	0
T72	0	4
T73	0	2
T74	0	4
T75	0	2
T76	0	2
T77	0	2
T109	0	2

SrcPulseCheck_M

Name	Attempts	Real Successes
Total	6093881	993
T2	1386	2
T3	1092	0
T7	511	0
T10	0	4
T14	497	0
T15	523	0
T16	668	0
T17	0	2
T24	508	0
T25	502	0
T26	1505	0
T66	426	0
T72	0	4
T73	0	2
T74	0	4
T75	0	2
T76	0	2
T77	0	2
T109	0	2

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 T5 
32         1/1                src_level <= 1'b0;
           Tests:       T1 T4 T5 
33                          end else begin
34         1/1                src_level <= src_level ^ src_pulse_i;
           Tests:       T1 T4 T5 
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 T5 
90         1/1                dst_level_q <= 1'b0;
           Tests:       T1 T4 T5 
91                          end else begin
92         1/1                dst_level_q <= dst_level;
           Tests:       T1 T4 T5 
93                          end
94                        end
95                      
96                        // edge detection
97         1/1            assign dst_pulse_o = dst_level_q ^ dst_level;
           Tests:       T2 T10 T17

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,T5
0	1	Covered	T2,T10,T17
1	0	Covered	T2,T10,T17
1	1	Covered	T10,T72,T74

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

-1-	-2-	Status	Tests
0	0	Covered	T1,T4,T5
0	1	Covered	T2,T10,T17
1	0	Covered	T10,T72,T74
1	1	Covered	T2,T10,T17

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,T5
0	Covered	T1,T4,T5



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,T5
0	Covered	T1,T4,T5

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	6093881	1032	0	0
SrcPulseCheck_M	1194890855	1102	0	0

DstPulseCheck_A

Name	Attempts	Real Successes
Total	6093881	1032
T2	1386	1
T3	1092	0
T7	511	0
T10	0	2
T14	497	0
T15	523	0
T16	668	0
T17	0	1
T24	508	0
T25	502	0
T26	1505	0
T33	0	6
T66	426	0
T72	0	2
T73	0	1
T74	0	2
T75	0	1
T76	0	1
T77	0	1

SrcPulseCheck_M

Name	Attempts	Real Successes
Total	1194890855	1102
T2	39239	1
T3	81967	0
T7	20487	0
T10	0	2
T14	173858	0
T15	120419	0
T16	120237	0
T17	0	1
T24	50845	0
T25	238551	0
T26	188203	0
T33	0	6
T66	42666	0
T72	0	2
T73	0	1
T74	0	2
T75	0	1
T76	0	1
T77	0	1

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 T5 
32         1/1                src_level <= 1'b0;
           Tests:       T1 T4 T5 
33                          end else begin
34         1/1                src_level <= src_level ^ src_pulse_i;
           Tests:       T1 T4 T5 
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 T5 
90         1/1                dst_level_q <= 1'b0;
           Tests:       T1 T4 T5 
91                          end else begin
92         1/1                dst_level_q <= dst_level;
           Tests:       T1 T4 T5 
93                          end
94                        end
95                      
96                        // edge detection
97         1/1            assign dst_pulse_o = dst_level_q ^ dst_level;
           Tests:       T14 T22 T23

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,T5
0	1	Covered	T14,T22,T23
1	0	Covered	T14,T22,T23
1	1	Covered	T14,T22,T23

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

-1-	-2-	Status	Tests
0	0	Covered	T1,T4,T5
0	1	Covered	T14,T22,T23
1	0	Covered	T14,T22,T23
1	1	Covered	T14,T22,T23

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,T5
0	Covered	T1,T4,T5



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,T5
0	Covered	T1,T4,T5

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	6093881	2246	0	0
SrcPulseCheck_M	1194890855	2315	0	0

DstPulseCheck_A

Name	Attempts	Real Successes
Total	6093881	2246
T3	1092	0
T7	511	0
T8	484	0
T14	497	20
T15	523	0
T16	668	0
T22	0	20
T23	0	20
T24	508	0
T25	502	0
T26	1505	0
T66	426	0
T82	0	20
T83	0	20
T84	0	20
T85	0	20
T86	0	20
T87	0	20
T88	0	20

SrcPulseCheck_M

Name	Attempts	Real Successes
Total	1194890855	2315
T3	81967	0
T7	20487	0
T8	58170	0
T14	173858	20
T15	120419	0
T16	120237	0
T22	0	20
T23	0	20
T24	50845	0
T25	238551	0
T26	188203	0
T66	42666	0
T82	0	20
T83	0	20
T84	0	20
T85	0	20
T86	0	20
T87	0	20
T88	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 T5 
32         1/1                src_level <= 1'b0;
           Tests:       T1 T4 T5 
33                          end else begin
34         1/1                src_level <= src_level ^ src_pulse_i;
           Tests:       T1 T4 T5 
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 T5 
90         1/1                dst_level_q <= 1'b0;
           Tests:       T1 T4 T5 
91                          end else begin
92         1/1                dst_level_q <= dst_level;
           Tests:       T1 T4 T5 
93                          end
94                        end
95                      
96                        // edge detection
97         1/1            assign dst_pulse_o = dst_level_q ^ dst_level;
           Tests:       T1 T4 T5

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,T5
0	1	Covered	T14,T22,T23
1	0	Covered	T14,T22,T23
1	1	Covered	T14,T22,T23

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

-1-	-2-	Status	Tests
0	0	Covered	T1,T4,T5
0	1	Covered	T14,T22,T23
1	0	Covered	T14,T22,T23
1	1	Covered	T14,T22,T23

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,T5
0	Covered	T1,T4,T5



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,T5
0	Covered	T1,T4,T5

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	1194890855	2310	0	0
SrcPulseCheck_M	6093881	2310	0	0

DstPulseCheck_A

Name	Attempts	Real Successes
Total	1194890855	2310
T3	81967	0
T7	20487	0
T8	58170	0
T14	173858	20
T15	120419	0
T16	120237	0
T22	0	20
T23	0	20
T24	50845	0
T25	238551	0
T26	188203	0
T66	42666	0
T82	0	20
T83	0	20
T84	0	20
T85	0	20
T86	0	20
T87	0	20
T88	0	20

SrcPulseCheck_M

Name	Attempts	Real Successes
Total	6093881	2310
T3	1092	0
T7	511	0
T8	484	0
T14	497	20
T15	523	0
T16	668	0
T22	0	20
T23	0	20
T24	508	0
T25	502	0
T26	1505	0
T66	426	0
T82	0	20
T83	0	20
T84	0	20
T85	0	20
T86	0	20
T87	0	20
T88	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 T5 
32         1/1                src_level <= 1'b0;
           Tests:       T1 T4 T5 
33                          end else begin
34         1/1                src_level <= src_level ^ src_pulse_i;
           Tests:       T1 T4 T5 
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 T5 
90         1/1                dst_level_q <= 1'b0;
           Tests:       T1 T4 T5 
91                          end else begin
92         1/1                dst_level_q <= dst_level;
           Tests:       T1 T4 T5 
93                          end
94                        end
95                      
96                        // edge detection
97         1/1            assign dst_pulse_o = dst_level_q ^ dst_level;
           Tests:       T14 T15 T24

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,T5
0	1	Covered	T14,T15,T24
1	0	Covered	T14,T15,T24
1	1	Covered	T15,T24,T25

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

-1-	-2-	Status	Tests
0	0	Covered	T1,T4,T5
0	1	Covered	T14,T15,T24
1	0	Covered	T15,T24,T25
1	1	Covered	T14,T15,T24

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,T5
0	Covered	T1,T4,T5



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,T5
0	Covered	T1,T4,T5

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	6093881	3714	0	0
SrcPulseCheck_M	1194890855	3788	0	0

DstPulseCheck_A

Name	Attempts	Real Successes
Total	6093881	3714
T3	1092	0
T7	511	0
T8	484	0
T9	0	20
T14	497	1
T15	523	20
T16	668	0
T22	0	1
T23	0	1
T24	508	20
T25	502	20
T26	1505	0
T66	426	0
T89	0	20
T90	0	20
T91	0	40

SrcPulseCheck_M

Name	Attempts	Real Successes
Total	1194890855	3788
T3	81967	0
T7	20487	0
T8	58170	0
T9	0	20
T14	173858	1
T15	120419	20
T16	120237	0
T22	0	1
T23	0	1
T24	50845	20
T25	238551	20
T26	188203	0
T66	42666	0
T89	0	20
T90	0	20
T91	0	40

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 T5 
32         1/1                src_level <= 1'b0;
           Tests:       T1 T4 T5 
33                          end else begin
34         1/1                src_level <= src_level ^ src_pulse_i;
           Tests:       T1 T4 T5 
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 T5 
90         1/1                dst_level_q <= 1'b0;
           Tests:       T1 T4 T5 
91                          end else begin
92         1/1                dst_level_q <= dst_level;
           Tests:       T1 T4 T5 
93                          end
94                        end
95                      
96                        // edge detection
97         1/1            assign dst_pulse_o = dst_level_q ^ dst_level;
           Tests:       T1 T4 T5

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,T5
0	1	Covered	T14,T15,T24
1	0	Covered	T14,T15,T24
1	1	Covered	T15,T24,T25

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

-1-	-2-	Status	Tests
0	0	Covered	T1,T4,T5
0	1	Covered	T14,T15,T24
1	0	Covered	T15,T24,T25
1	1	Covered	T14,T15,T24

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,T5
0	Covered	T1,T4,T5



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,T5
0	Covered	T1,T4,T5

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	1194890855	3777	0	0
SrcPulseCheck_M	6093881	3777	0	0

DstPulseCheck_A

Name	Attempts	Real Successes
Total	1194890855	3777
T3	81967	0
T7	20487	0
T8	58170	0
T9	0	20
T14	173858	1
T15	120419	20
T16	120237	0
T22	0	1
T23	0	1
T24	50845	20
T25	238551	20
T26	188203	0
T66	42666	0
T89	0	20
T90	0	20
T91	0	40

SrcPulseCheck_M

Name	Attempts	Real Successes
Total	6093881	3777
T3	1092	0
T7	511	0
T8	484	0
T9	0	20
T14	497	1
T15	523	20
T16	668	0
T22	0	1
T23	0	1
T24	508	20
T25	502	20
T26	1505	0
T66	426	0
T89	0	20
T90	0	20
T91	0	40

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 T5 
32         1/1                src_level <= 1'b0;
           Tests:       T1 T4 T5 
33                          end else begin
34         1/1                src_level <= src_level ^ src_pulse_i;
           Tests:       T1 T4 T5 
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 T5 
90         1/1                dst_level_q <= 1'b0;
           Tests:       T1 T4 T5 
91                          end else begin
92         1/1                dst_level_q <= dst_level;
           Tests:       T1 T4 T5 
93                          end
94                        end
95                      
96                        // edge detection
97         1/1            assign dst_pulse_o = dst_level_q ^ dst_level;
           Tests:       T1 T5 T14

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,T5
0	1	Covered	T1,T5,T14
1	0	Covered	T1,T5,T14
1	1	Covered	T15,T24,T25

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

-1-	-2-	Status	Tests
0	0	Covered	T1,T4,T5
0	1	Covered	T1,T5,T14
1	0	Covered	T15,T24,T25
1	1	Covered	T1,T5,T14

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,T5
0	Covered	T1,T4,T5



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,T5
0	Covered	T1,T4,T5

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	6093881	4681	0	0
SrcPulseCheck_M	1194890855	4753	0	0

DstPulseCheck_A

Name	Attempts	Real Successes
Total	6093881	4681
T1	489	1
T2	1386	0
T3	1092	0
T4	421	0
T5	471	1
T7	511	1
T8	0	1
T13	422	0
T14	497	1
T15	523	20
T16	668	0
T22	0	1
T24	0	20
T25	0	20
T78	0	1

SrcPulseCheck_M

Name	Attempts	Real Successes
Total	1194890855	4753
T1	41595	1
T2	39239	0
T3	81967	0
T4	48408	0
T5	54253	1
T7	20487	1
T8	0	1
T13	202902	0
T14	173858	1
T15	120419	20
T16	120237	0
T22	0	1
T24	0	20
T25	0	20
T78	0	1

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 T5 
32         1/1                src_level <= 1'b0;
           Tests:       T1 T4 T5 
33                          end else begin
34         1/1                src_level <= src_level ^ src_pulse_i;
           Tests:       T1 T4 T5 
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 T5 
90         1/1                dst_level_q <= 1'b0;
           Tests:       T1 T4 T5 
91                          end else begin
92         1/1                dst_level_q <= dst_level;
           Tests:       T1 T4 T5 
93                          end
94                        end
95                      
96                        // edge detection
97         1/1            assign dst_pulse_o = dst_level_q ^ dst_level;
           Tests:       T1 T4 T5

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,T5
0	1	Covered	T1,T5,T14
1	0	Covered	T1,T5,T14
1	1	Covered	T15,T24,T25

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

-1-	-2-	Status	Tests
0	0	Covered	T1,T4,T5
0	1	Covered	T1,T5,T14
1	0	Covered	T15,T24,T25
1	1	Covered	T1,T5,T14

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,T5
0	Covered	T1,T4,T5



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,T5
0	Covered	T1,T4,T5

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	1194890855	4742	0	0
SrcPulseCheck_M	6093881	4742	0	0

DstPulseCheck_A

Name	Attempts	Real Successes
Total	1194890855	4742
T1	41595	1
T2	39239	0
T3	81967	0
T4	48408	0
T5	54253	1
T7	20487	1
T8	0	1
T13	202902	0
T14	173858	1
T15	120419	20
T16	120237	0
T22	0	1
T24	0	20
T25	0	20
T78	0	1

SrcPulseCheck_M

Name	Attempts	Real Successes
Total	6093881	4742
T1	489	1
T2	1386	0
T3	1092	0
T4	421	0
T5	471	1
T7	511	1
T8	0	1
T13	422	0
T14	497	1
T15	523	20
T16	668	0
T22	0	1
T24	0	20
T25	0	20
T78	0	1

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 T5 
32         1/1                src_level <= 1'b0;
           Tests:       T1 T4 T5 
33                          end else begin
34         1/1                src_level <= src_level ^ src_pulse_i;
           Tests:       T1 T4 T5 
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 T5 
90         1/1                dst_level_q <= 1'b0;
           Tests:       T1 T4 T5 
91                          end else begin
92         1/1                dst_level_q <= dst_level;
           Tests:       T1 T4 T5 
93                          end
94                        end
95                      
96                        // edge detection
97         1/1            assign dst_pulse_o = dst_level_q ^ dst_level;
           Tests:       T15 T24 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,T5
0	1	Covered	T15,T24,T25
1	0	Covered	T15,T24,T25
1	1	Covered	T15,T24,T25

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

-1-	-2-	Status	Tests
0	0	Covered	T1,T4,T5
0	1	Covered	T15,T24,T25
1	0	Covered	T15,T24,T25
1	1	Covered	T15,T24,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,T5
0	Covered	T1,T4,T5



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,T5
0	Covered	T1,T4,T5

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	6093881	3600	0	0
SrcPulseCheck_M	1194890855	3674	0	0

DstPulseCheck_A

Name	Attempts	Real Successes
Total	6093881	3600
T7	511	0
T8	484	0
T9	0	20
T15	523	20
T16	668	0
T22	496	0
T24	508	20
T25	502	20
T26	1505	0
T66	426	0
T67	403	0
T89	0	20
T90	0	20
T91	0	40
T92	0	20
T93	0	20
T94	0	20

SrcPulseCheck_M

Name	Attempts	Real Successes
Total	1194890855	3674
T7	20487	0
T8	58170	0
T9	0	20
T15	120419	20
T16	120237	0
T22	49668	0
T24	50845	20
T25	238551	20
T26	188203	0
T66	42666	0
T67	105010	0
T89	0	20
T90	0	20
T91	0	40
T92	0	20
T93	0	20
T94	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 T5 
32         1/1                src_level <= 1'b0;
           Tests:       T1 T4 T5 
33                          end else begin
34         1/1                src_level <= src_level ^ src_pulse_i;
           Tests:       T1 T4 T5 
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 T5 
90         1/1                dst_level_q <= 1'b0;
           Tests:       T1 T4 T5 
91                          end else begin
92         1/1                dst_level_q <= dst_level;
           Tests:       T1 T4 T5 
93                          end
94                        end
95                      
96                        // edge detection
97         1/1            assign dst_pulse_o = dst_level_q ^ dst_level;
           Tests:       T1 T4 T5

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,T5
0	1	Covered	T15,T24,T25
1	0	Covered	T15,T24,T25
1	1	Covered	T15,T24,T25

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

-1-	-2-	Status	Tests
0	0	Covered	T1,T4,T5
0	1	Covered	T15,T24,T25
1	0	Covered	T15,T24,T25
1	1	Covered	T15,T24,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,T5
0	Covered	T1,T4,T5



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,T5
0	Covered	T1,T4,T5

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	1194890855	3663	0	0
SrcPulseCheck_M	6093881	3663	0	0

DstPulseCheck_A

Name	Attempts	Real Successes
Total	1194890855	3663
T7	20487	0
T8	58170	0
T9	0	20
T15	120419	20
T16	120237	0
T22	49668	0
T24	50845	20
T25	238551	20
T26	188203	0
T66	42666	0
T67	105010	0
T89	0	20
T90	0	20
T91	0	40
T92	0	20
T93	0	20
T94	0	20

SrcPulseCheck_M

Name	Attempts	Real Successes
Total	6093881	3663
T7	511	0
T8	484	0
T9	0	20
T15	523	20
T16	668	0
T22	496	0
T24	508	20
T25	502	20
T26	1505	0
T66	426	0
T67	403	0
T89	0	20
T90	0	20
T91	0	40
T92	0	20
T93	0	20
T94	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 T5 
32         1/1                src_level <= 1'b0;
           Tests:       T1 T4 T5 
33                          end else begin
34         1/1                src_level <= src_level ^ src_pulse_i;
           Tests:       T1 T4 T5 
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 T5 
90         1/1                dst_level_q <= 1'b0;
           Tests:       T1 T4 T5 
91                          end else begin
92         1/1                dst_level_q <= dst_level;
           Tests:       T1 T4 T5 
93                          end
94                        end
95                      
96                        // edge detection
97         1/1            assign dst_pulse_o = dst_level_q ^ dst_level;
           Tests:       T3 T6 T11

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,T5
0	1	Covered	T3,T6,T11
1	0	Covered	T3,T6,T11
1	1	Covered	T52,T71,T35

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

-1-	-2-	Status	Tests
0	0	Covered	T1,T4,T5
0	1	Covered	T3,T6,T11
1	0	Covered	T52,T71,T35
1	1	Covered	T3,T6,T11

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,T5
0	Covered	T1,T4,T5



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,T5
0	Covered	T1,T4,T5

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	6093881	977	0	0
SrcPulseCheck_M	1194890855	1048	0	0

DstPulseCheck_A

Name	Attempts	Real Successes
Total	6093881	977
T3	1092	1
T6	0	1
T7	511	0
T8	484	0
T11	0	1
T15	523	0
T16	668	0
T22	496	0
T24	508	0
T25	502	0
T26	1505	0
T43	0	1
T44	0	1
T45	0	1
T46	0	1
T48	0	1
T49	0	1
T50	0	1
T66	426	0

SrcPulseCheck_M

Name	Attempts	Real Successes
Total	1194890855	1048
T3	81967	1
T6	0	1
T7	20487	0
T8	58170	0
T11	0	1
T15	120419	0
T16	120237	0
T22	49668	0
T24	50845	0
T25	238551	0
T26	188203	0
T43	0	1
T44	0	1
T45	0	1
T46	0	1
T48	0	1
T49	0	1
T50	0	1
T66	42666	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 T5 
32         1/1                src_level <= 1'b0;
           Tests:       T1 T4 T5 
33                          end else begin
34         1/1                src_level <= src_level ^ src_pulse_i;
           Tests:       T1 T4 T5 
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 T5 
90         1/1                dst_level_q <= 1'b0;
           Tests:       T1 T4 T5 
91                          end else begin
92         1/1                dst_level_q <= dst_level;
           Tests:       T1 T4 T5 
93                          end
94                        end
95                      
96                        // edge detection
97         1/1            assign dst_pulse_o = dst_level_q ^ dst_level;
           Tests:       T1 T4 T5

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,T5
0	1	Covered	T3,T6,T11
1	0	Covered	T3,T6,T11
1	1	Covered	T52,T71,T35

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

-1-	-2-	Status	Tests
0	0	Covered	T1,T4,T5
0	1	Covered	T3,T6,T11
1	0	Covered	T52,T71,T35
1	1	Covered	T3,T6,T11

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,T5
0	Covered	T1,T4,T5



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,T5
0	Covered	T1,T4,T5

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	1194890855	1041	0	0
SrcPulseCheck_M	6093881	1041	0	0

DstPulseCheck_A

Name	Attempts	Real Successes
Total	1194890855	1041
T3	81967	1
T6	0	1
T7	20487	0
T8	58170	0
T11	0	1
T15	120419	0
T16	120237	0
T22	49668	0
T24	50845	0
T25	238551	0
T26	188203	0
T43	0	1
T44	0	1
T45	0	1
T46	0	1
T48	0	1
T49	0	1
T50	0	1
T66	42666	0

SrcPulseCheck_M

Name	Attempts	Real Successes
Total	6093881	1041
T3	1092	1
T6	0	1
T7	511	0
T8	484	0
T11	0	1
T15	523	0
T16	668	0
T22	496	0
T24	508	0
T25	502	0
T26	1505	0
T43	0	1
T44	0	1
T45	0	1
T46	0	1
T48	0	1
T49	0	1
T50	0	1
T66	426	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 T5 
32         1/1                src_level <= 1'b0;
           Tests:       T1 T4 T5 
33                          end else begin
34         1/1                src_level <= src_level ^ src_pulse_i;
           Tests:       T1 T4 T5 
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 T5 
90         1/1                dst_level_q <= 1'b0;
           Tests:       T1 T4 T5 
91                          end else begin
92         1/1                dst_level_q <= dst_level;
           Tests:       T1 T4 T5 
93                          end
94                        end
95                      
96                        // edge detection
97         1/1            assign dst_pulse_o = dst_level_q ^ dst_level;
           Tests:       T1 T5 T3

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,T5
0	1	Covered	T1,T5,T3
1	0	Covered	T1,T5,T3
1	1	Covered	T52,T71,T35

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

-1-	-2-	Status	Tests
0	0	Covered	T1,T4,T5
0	1	Covered	T1,T5,T3
1	0	Covered	T52,T71,T35
1	1	Covered	T1,T5,T3

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,T5
0	Covered	T1,T4,T5



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,T5
0	Covered	T1,T4,T5

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	6093881	1832	0	0
SrcPulseCheck_M	1194890855	1905	0	0

DstPulseCheck_A

Name	Attempts	Real Successes
Total	6093881	1832
T1	489	1
T2	1386	0
T3	1092	1
T4	421	0
T5	471	1
T6	0	1
T7	511	1
T8	0	1
T9	0	1
T11	0	1
T13	422	0
T14	497	0
T15	523	0
T16	668	0
T28	0	1
T57	0	1

SrcPulseCheck_M

Name	Attempts	Real Successes
Total	1194890855	1905
T1	41595	1
T2	39239	0
T3	81967	1
T4	48408	0
T5	54253	1
T6	0	1
T7	20487	1
T8	0	1
T9	0	1
T11	0	1
T13	202902	0
T14	173858	0
T15	120419	0
T16	120237	0
T28	0	1
T57	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 T5 
32         1/1                src_level <= 1'b0;
           Tests:       T1 T4 T5 
33                          end else begin
34         1/1                src_level <= src_level ^ src_pulse_i;
           Tests:       T1 T4 T5 
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 T5 
90         1/1                dst_level_q <= 1'b0;
           Tests:       T1 T4 T5 
91                          end else begin
92         1/1                dst_level_q <= dst_level;
           Tests:       T1 T4 T5 
93                          end
94                        end
95                      
96                        // edge detection
97         1/1            assign dst_pulse_o = dst_level_q ^ dst_level;
           Tests:       T1 T4 T5

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,T5
0	1	Covered	T1,T5,T3
1	0	Covered	T1,T5,T3
1	1	Covered	T52,T71,T35

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

-1-	-2-	Status	Tests
0	0	Covered	T1,T4,T5
0	1	Covered	T1,T5,T3
1	0	Covered	T52,T71,T35
1	1	Covered	T1,T5,T3

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,T5
0	Covered	T1,T4,T5



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,T5
0	Covered	T1,T4,T5

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	1194890855	1896	0	0
SrcPulseCheck_M	6093881	1896	0	0

DstPulseCheck_A

Name	Attempts	Real Successes
Total	1194890855	1896
T1	41595	1
T2	39239	0
T3	81967	1
T4	48408	0
T5	54253	1
T6	0	1
T7	20487	1
T8	0	1
T9	0	1
T11	0	1
T13	202902	0
T14	173858	0
T15	120419	0
T16	120237	0
T28	0	1
T57	0	1

SrcPulseCheck_M

Name	Attempts	Real Successes
Total	6093881	1896
T1	489	1
T2	1386	0
T3	1092	1
T4	421	0
T5	471	1
T6	0	1
T7	511	1
T8	0	1
T9	0	1
T11	0	1
T13	422	0
T14	497	0
T15	523	0
T16	668	0
T28	0	1
T57	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 T5 
32         1/1                src_level <= 1'b0;
           Tests:       T1 T4 T5 
33                          end else begin
34         1/1                src_level <= src_level ^ src_pulse_i;
           Tests:       T1 T4 T5 
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 T5 
90         1/1                dst_level_q <= 1'b0;
           Tests:       T1 T4 T5 
91                          end else begin
92         1/1                dst_level_q <= dst_level;
           Tests:       T1 T4 T5 
93                          end
94                        end
95                      
96                        // edge detection
97         1/1            assign dst_pulse_o = dst_level_q ^ dst_level;
           Tests:       T16 T26 T27

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,T5
0	1	Covered	T16,T26,T27
1	0	Covered	T16,T26,T27
1	1	Covered	T16,T26,T27

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

-1-	-2-	Status	Tests
0	0	Covered	T1,T4,T5
0	1	Covered	T16,T26,T27
1	0	Covered	T16,T26,T27
1	1	Covered	T16,T26,T27

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,T5
0	Covered	T1,T4,T5



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,T5
0	Covered	T1,T4,T5

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	6093881	1129	0	0
SrcPulseCheck_M	1194890855	1205	0	0

DstPulseCheck_A

Name	Attempts	Real Successes
Total	6093881	1129
T8	484	0
T16	668	3
T22	496	0
T24	508	0
T25	502	0
T26	1505	3
T27	725	4
T58	0	5
T60	0	4
T61	0	4
T62	0	1
T63	0	3
T64	0	4
T65	0	3
T66	426	0
T67	403	0
T68	434	0

SrcPulseCheck_M

Name	Attempts	Real Successes
Total	1194890855	1205
T8	58170	0
T16	120237	3
T22	49668	0
T24	50845	0
T25	238551	0
T26	188203	3
T27	145056	4
T58	0	5
T60	0	4
T61	0	4
T62	0	2
T63	0	3
T64	0	4
T65	0	3
T66	42666	0
T67	105010	0
T68	91312	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 T5 
32         1/1                src_level <= 1'b0;
           Tests:       T1 T4 T5 
33                          end else begin
34         1/1                src_level <= src_level ^ src_pulse_i;
           Tests:       T1 T4 T5 
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 T5 
90         1/1                dst_level_q <= 1'b0;
           Tests:       T1 T4 T5 
91                          end else begin
92         1/1                dst_level_q <= dst_level;
           Tests:       T1 T4 T5 
93                          end
94                        end
95                      
96                        // edge detection
97         1/1            assign dst_pulse_o = dst_level_q ^ dst_level;
           Tests:       T1 T4 T5

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,T5
0	1	Covered	T16,T26,T27
1	0	Covered	T16,T26,T27
1	1	Covered	T16,T26,T27

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

-1-	-2-	Status	Tests
0	0	Covered	T1,T4,T5
0	1	Covered	T16,T26,T27
1	0	Covered	T16,T26,T27
1	1	Covered	T16,T26,T27

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,T5
0	Covered	T1,T4,T5



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,T5
0	Covered	T1,T4,T5

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	1194890855	1196	0	0
SrcPulseCheck_M	6093881	1196	0	0

DstPulseCheck_A

Name	Attempts	Real Successes
Total	1194890855	1196
T8	58170	0
T16	120237	3
T22	49668	0
T24	50845	0
T25	238551	0
T26	188203	3
T27	145056	4
T58	0	5
T60	0	4
T61	0	4
T62	0	1
T63	0	3
T64	0	4
T65	0	3
T66	42666	0
T67	105010	0
T68	91312	0

SrcPulseCheck_M

Name	Attempts	Real Successes
Total	6093881	1196
T8	484	0
T16	668	3
T22	496	0
T24	508	0
T25	502	0
T26	1505	3
T27	725	4
T58	0	5
T60	0	4
T61	0	4
T62	0	1
T63	0	3
T64	0	4
T65	0	3
T66	426	0
T67	403	0
T68	434	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 T5 
32         1/1                src_level <= 1'b0;
           Tests:       T1 T4 T5 
33                          end else begin
34         1/1                src_level <= src_level ^ src_pulse_i;
           Tests:       T1 T4 T5 
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 T5 
90         1/1                dst_level_q <= 1'b0;
           Tests:       T1 T4 T5 
91                          end else begin
92         1/1                dst_level_q <= dst_level;
           Tests:       T1 T4 T5 
93                          end
94                        end
95                      
96                        // edge detection
97         1/1            assign dst_pulse_o = dst_level_q ^ dst_level;
           Tests:       T16 T26 T27

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,T5
0	1	Covered	T16,T26,T27
1	0	Covered	T16,T26,T27
1	1	Covered	T16,T26,T27

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

-1-	-2-	Status	Tests
0	0	Covered	T1,T4,T5
0	1	Covered	T16,T26,T27
1	0	Covered	T16,T26,T27
1	1	Covered	T16,T26,T27

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,T5
0	Covered	T1,T4,T5



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,T5
0	Covered	T1,T4,T5

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	6093881	1055	0	0
SrcPulseCheck_M	1194890855	1129	0	0

DstPulseCheck_A

Name	Attempts	Real Successes
Total	6093881	1055
T8	484	0
T16	668	3
T22	496	0
T24	508	0
T25	502	0
T26	1505	3
T27	725	3
T58	0	3
T60	0	3
T61	0	3
T63	0	3
T64	0	3
T65	0	3
T66	426	0
T67	403	0
T68	434	0
T70	0	3

SrcPulseCheck_M

Name	Attempts	Real Successes
Total	1194890855	1129
T8	58170	0
T16	120237	3
T22	49668	0
T24	50845	0
T25	238551	0
T26	188203	3
T27	145056	3
T58	0	3
T60	0	3
T61	0	3
T62	0	1
T63	0	3
T64	0	3
T65	0	3
T66	42666	0
T67	105010	0
T68	91312	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 T5 
32         1/1                src_level <= 1'b0;
           Tests:       T1 T4 T5 
33                          end else begin
34         1/1                src_level <= src_level ^ src_pulse_i;
           Tests:       T1 T4 T5 
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 T5 
90         1/1                dst_level_q <= 1'b0;
           Tests:       T1 T4 T5 
91                          end else begin
92         1/1                dst_level_q <= dst_level;
           Tests:       T1 T4 T5 
93                          end
94                        end
95                      
96                        // edge detection
97         1/1            assign dst_pulse_o = dst_level_q ^ dst_level;
           Tests:       T1 T4 T5

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,T5
0	1	Covered	T16,T26,T27
1	0	Covered	T16,T26,T27
1	1	Covered	T16,T26,T27

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

-1-	-2-	Status	Tests
0	0	Covered	T1,T4,T5
0	1	Covered	T16,T26,T27
1	0	Covered	T16,T26,T27
1	1	Covered	T16,T26,T27

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,T5
0	Covered	T1,T4,T5



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,T5
0	Covered	T1,T4,T5

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	1194890855	1120	0	0
SrcPulseCheck_M	6093881	1120	0	0

DstPulseCheck_A

Name	Attempts	Real Successes
Total	1194890855	1120
T8	58170	0
T16	120237	3
T22	49668	0
T24	50845	0
T25	238551	0
T26	188203	3
T27	145056	3
T58	0	3
T60	0	3
T61	0	3
T63	0	3
T64	0	3
T65	0	3
T66	42666	0
T67	105010	0
T68	91312	0
T70	0	3

SrcPulseCheck_M

Name	Attempts	Real Successes
Total	6093881	1120
T8	484	0
T16	668	3
T22	496	0
T24	508	0
T25	502	0
T26	1505	3
T27	725	3
T58	0	3
T60	0	3
T61	0	3
T63	0	3
T64	0	3
T65	0	3
T66	426	0
T67	403	0
T68	434	0
T70	0	3

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 T5 
32         1/1                src_level <= 1'b0;
           Tests:       T1 T4 T5 
33                          end else begin
34         1/1                src_level <= src_level ^ src_pulse_i;
           Tests:       T1 T4 T5 
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 T5 
90         1/1                dst_level_q <= 1'b0;
           Tests:       T1 T4 T5 
91                          end else begin
92         1/1                dst_level_q <= dst_level;
           Tests:       T1 T4 T5 
93                          end
94                        end
95                      
96                        // edge detection
97         1/1            assign dst_pulse_o = dst_level_q ^ dst_level;
           Tests:       T5 T7 T28

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,T5
0	1	Covered	T5,T7,T28
1	0	Covered	T5,T7,T28
1	1	Covered	T29,T30,T31

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

-1-	-2-	Status	Tests
0	0	Covered	T1,T4,T5
0	1	Covered	T5,T7,T28
1	0	Covered	T29,T30,T31
1	1	Covered	T5,T7,T28

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,T5
0	Covered	T1,T4,T5



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,T5
0	Covered	T1,T4,T5

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	6093881	7286	0	0
SrcPulseCheck_M	1194890855	7357	0	0

DstPulseCheck_A

Name	Attempts	Real Successes
Total	6093881	7286
T2	1386	0
T3	1092	0
T5	471	1
T7	511	1
T12	0	1
T13	422	0
T14	497	0
T15	523	0
T16	668	0
T24	508	0
T26	1505	0
T28	0	1
T29	0	51
T30	0	63
T31	0	72
T41	0	70
T52	0	11
T69	0	1

SrcPulseCheck_M

Name	Attempts	Real Successes
Total	1194890855	7357
T2	39239	0
T3	81967	0
T5	54253	1
T7	20487	1
T12	0	1
T13	202902	0
T14	173858	0
T15	120419	0
T16	120237	0
T24	50845	0
T26	188203	0
T28	0	1
T29	0	51
T30	0	63
T31	0	72
T41	0	70
T52	0	11
T69	0	1

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 T5 
32         1/1                src_level <= 1'b0;
           Tests:       T1 T4 T5 
33                          end else begin
34         1/1                src_level <= src_level ^ src_pulse_i;
           Tests:       T1 T4 T5 
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 T5 
90         1/1                dst_level_q <= 1'b0;
           Tests:       T1 T4 T5 
91                          end else begin
92         1/1                dst_level_q <= dst_level;
           Tests:       T1 T4 T5 
93                          end
94                        end
95                      
96                        // edge detection
97         1/1            assign dst_pulse_o = dst_level_q ^ dst_level;
           Tests:       T1 T4 T5

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,T5
0	1	Covered	T5,T7,T28
1	0	Covered	T5,T7,T28
1	1	Covered	T29,T30,T31

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

-1-	-2-	Status	Tests
0	0	Covered	T1,T4,T5
0	1	Covered	T5,T7,T28
1	0	Covered	T29,T30,T31
1	1	Covered	T5,T7,T28

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,T5
0	Covered	T1,T4,T5



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,T5
0	Covered	T1,T4,T5

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	1194890855	7348	0	0
SrcPulseCheck_M	6093881	7348	0	0

DstPulseCheck_A

Name	Attempts	Real Successes
Total	1194890855	7348
T2	39239	0
T3	81967	0
T5	54253	1
T7	20487	1
T12	0	1
T13	202902	0
T14	173858	0
T15	120419	0
T16	120237	0
T24	50845	0
T26	188203	0
T28	0	1
T29	0	51
T30	0	63
T31	0	72
T41	0	70
T52	0	11
T69	0	1

SrcPulseCheck_M

Name	Attempts	Real Successes
Total	6093881	7348
T2	1386	0
T3	1092	0
T5	471	1
T7	511	1
T12	0	1
T13	422	0
T14	497	0
T15	523	0
T16	668	0
T24	508	0
T26	1505	0
T28	0	1
T29	0	51
T30	0	63
T31	0	72
T41	0	70
T52	0	11
T69	0	1

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 T5 
32         1/1                src_level <= 1'b0;
           Tests:       T1 T4 T5 
33                          end else begin
34         1/1                src_level <= src_level ^ src_pulse_i;
           Tests:       T1 T4 T5 
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 T5 
90         1/1                dst_level_q <= 1'b0;
           Tests:       T1 T4 T5 
91                          end else begin
92         1/1                dst_level_q <= dst_level;
           Tests:       T1 T4 T5 
93                          end
94                        end
95                      
96                        // edge detection
97         1/1            assign dst_pulse_o = dst_level_q ^ dst_level;
           Tests:       T29 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,T5
0	1	Covered	T29,T30,T31
1	0	Covered	T29,T30,T31
1	1	Covered	T29,T30,T31

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

-1-	-2-	Status	Tests
0	0	Covered	T1,T4,T5
0	1	Covered	T29,T30,T31
1	0	Covered	T29,T30,T31
1	1	Covered	T29,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,T5
0	Covered	T1,T4,T5



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,T5
0	Covered	T1,T4,T5

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	6093881	7335	0	0
SrcPulseCheck_M	1194890855	7405	0	0

DstPulseCheck_A

Name	Attempts	Real Successes
Total	6093881	7335
T29	12219	51
T30	0	63
T31	0	82
T41	0	74
T52	0	11
T56	0	80
T71	0	11
T75	2552	0
T86	1412	0
T87	496	0
T88	511	0
T95	0	51
T96	0	59
T97	0	69
T98	502	0
T99	525	0
T100	872	0
T101	407	0
T102	402	0

SrcPulseCheck_M

Name	Attempts	Real Successes
Total	1194890855	7405
T29	152744	51
T30	0	63
T31	0	82
T41	0	74
T52	0	11
T56	0	80
T71	0	11
T75	116830	0
T86	338985	0
T87	124086	0
T88	17914	0
T95	0	51
T96	0	59
T97	0	69
T98	125736	0
T99	63093	0
T100	109005	0
T101	50849	0
T102	201180	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 T5 
32         1/1                src_level <= 1'b0;
           Tests:       T1 T4 T5 
33                          end else begin
34         1/1                src_level <= src_level ^ src_pulse_i;
           Tests:       T1 T4 T5 
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 T5 
90         1/1                dst_level_q <= 1'b0;
           Tests:       T1 T4 T5 
91                          end else begin
92         1/1                dst_level_q <= dst_level;
           Tests:       T1 T4 T5 
93                          end
94                        end
95                      
96                        // edge detection
97         1/1            assign dst_pulse_o = dst_level_q ^ dst_level;
           Tests:       T1 T4 T5

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,T5
0	1	Covered	T29,T30,T31
1	0	Covered	T29,T30,T31
1	1	Covered	T29,T30,T31

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

-1-	-2-	Status	Tests
0	0	Covered	T1,T4,T5
0	1	Covered	T29,T30,T31
1	0	Covered	T29,T30,T31
1	1	Covered	T29,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,T5
0	Covered	T1,T4,T5



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,T5
0	Covered	T1,T4,T5

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	1194890855	7399	0	0
SrcPulseCheck_M	6093881	7399	0	0

DstPulseCheck_A

Name	Attempts	Real Successes
Total	1194890855	7399
T29	152744	51
T30	0	63
T31	0	82
T41	0	74
T52	0	11
T56	0	80
T71	0	11
T75	116830	0
T86	338985	0
T87	124086	0
T88	17914	0
T95	0	51
T96	0	59
T97	0	69
T98	125736	0
T99	63093	0
T100	109005	0
T101	50849	0
T102	201180	0

SrcPulseCheck_M

Name	Attempts	Real Successes
Total	6093881	7399
T29	12219	51
T30	0	63
T31	0	82
T41	0	74
T52	0	11
T56	0	80
T71	0	11
T75	2552	0
T86	1412	0
T87	496	0
T88	511	0
T95	0	51
T96	0	59
T97	0	69
T98	502	0
T99	525	0
T100	872	0
T101	407	0
T102	402	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 T5 
32         1/1                src_level <= 1'b0;
           Tests:       T1 T4 T5 
33                          end else begin
34         1/1                src_level <= src_level ^ src_pulse_i;
           Tests:       T1 T4 T5 
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 T5 
90         1/1                dst_level_q <= 1'b0;
           Tests:       T1 T4 T5 
91                          end else begin
92         1/1                dst_level_q <= dst_level;
           Tests:       T1 T4 T5 
93                          end
94                        end
95                      
96                        // edge detection
97         1/1            assign dst_pulse_o = dst_level_q ^ dst_level;
           Tests:       T29 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,T5
0	1	Covered	T29,T30,T31
1	0	Covered	T29,T30,T31
1	1	Covered	T29,T30,T31

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

-1-	-2-	Status	Tests
0	0	Covered	T1,T4,T5
0	1	Covered	T29,T30,T31
1	0	Covered	T29,T30,T31
1	1	Covered	T29,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,T5
0	Covered	T1,T4,T5



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,T5
0	Covered	T1,T4,T5

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	6093881	7289	0	0
SrcPulseCheck_M	1194890855	7362	0	0

DstPulseCheck_A

Name	Attempts	Real Successes
Total	6093881	7289
T29	12219	51
T30	0	51
T31	0	51
T41	0	74
T52	0	11
T56	0	67
T71	0	11
T75	2552	0
T86	1412	0
T87	496	0
T88	511	0
T95	0	51
T96	0	59
T97	0	69
T98	502	0
T99	525	0
T100	872	0
T101	407	0
T102	402	0

SrcPulseCheck_M

Name	Attempts	Real Successes
Total	1194890855	7362
T29	152744	51
T30	0	51
T31	0	51
T41	0	74
T52	0	11
T56	0	67
T71	0	11
T75	116830	0
T86	338985	0
T87	124086	0
T88	17914	0
T95	0	51
T96	0	59
T97	0	69
T98	125736	0
T99	63093	0
T100	109005	0
T101	50849	0
T102	201180	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 T5 
32         1/1                src_level <= 1'b0;
           Tests:       T1 T4 T5 
33                          end else begin
34         1/1                src_level <= src_level ^ src_pulse_i;
           Tests:       T1 T4 T5 
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 T5 
90         1/1                dst_level_q <= 1'b0;
           Tests:       T1 T4 T5 
91                          end else begin
92         1/1                dst_level_q <= dst_level;
           Tests:       T1 T4 T5 
93                          end
94                        end
95                      
96                        // edge detection
97         1/1            assign dst_pulse_o = dst_level_q ^ dst_level;
           Tests:       T1 T4 T5

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,T5
0	1	Covered	T29,T30,T31
1	0	Covered	T29,T30,T31
1	1	Covered	T29,T30,T31

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

-1-	-2-	Status	Tests
0	0	Covered	T1,T4,T5
0	1	Covered	T29,T30,T31
1	0	Covered	T29,T30,T31
1	1	Covered	T29,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,T5
0	Covered	T1,T4,T5



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,T5
0	Covered	T1,T4,T5

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	1194890855	7354	0	0
SrcPulseCheck_M	6093881	7354	0	0

DstPulseCheck_A

Name	Attempts	Real Successes
Total	1194890855	7354
T29	152744	51
T30	0	51
T31	0	51
T41	0	74
T52	0	11
T56	0	67
T71	0	11
T75	116830	0
T86	338985	0
T87	124086	0
T88	17914	0
T95	0	51
T96	0	59
T97	0	69
T98	125736	0
T99	63093	0
T100	109005	0
T101	50849	0
T102	201180	0

SrcPulseCheck_M

Name	Attempts	Real Successes
Total	6093881	7354
T29	12219	51
T30	0	51
T31	0	51
T41	0	74
T52	0	11
T56	0	67
T71	0	11
T75	2552	0
T86	1412	0
T87	496	0
T88	511	0
T95	0	51
T96	0	59
T97	0	69
T98	502	0
T99	525	0
T100	872	0
T101	407	0
T102	402	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 T5 
32         1/1                src_level <= 1'b0;
           Tests:       T1 T4 T5 
33                          end else begin
34         1/1                src_level <= src_level ^ src_pulse_i;
           Tests:       T1 T4 T5 
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 T5 
90         1/1                dst_level_q <= 1'b0;
           Tests:       T1 T4 T5 
91                          end else begin
92         1/1                dst_level_q <= dst_level;
           Tests:       T1 T4 T5 
93                          end
94                        end
95                      
96                        // edge detection
97         1/1            assign dst_pulse_o = dst_level_q ^ dst_level;
           Tests:       T29 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,T5
0	1	Covered	T29,T30,T31
1	0	Covered	T29,T30,T31
1	1	Covered	T29,T30,T31

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

-1-	-2-	Status	Tests
0	0	Covered	T1,T4,T5
0	1	Covered	T29,T30,T31
1	0	Covered	T29,T30,T31
1	1	Covered	T29,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,T5
0	Covered	T1,T4,T5



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,T5
0	Covered	T1,T4,T5

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	6093881	7166	0	0
SrcPulseCheck_M	1194890855	7239	0	0

DstPulseCheck_A

Name	Attempts	Real Successes
Total	6093881	7166
T29	12219	51
T30	0	63
T31	0	82
T41	0	58
T52	0	11
T56	0	63
T71	0	11
T75	2552	0
T86	1412	0
T87	496	0
T88	511	0
T95	0	51
T96	0	59
T97	0	55
T98	502	0
T99	525	0
T100	872	0
T101	407	0
T102	402	0

SrcPulseCheck_M

Name	Attempts	Real Successes
Total	1194890855	7239
T29	152744	51
T30	0	63
T31	0	82
T41	0	58
T52	0	11
T56	0	63
T71	0	11
T75	116830	0
T86	338985	0
T87	124086	0
T88	17914	0
T95	0	51
T96	0	59
T97	0	55
T98	125736	0
T99	63093	0
T100	109005	0
T101	50849	0
T102	201180	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 T5 
32         1/1                src_level <= 1'b0;
           Tests:       T1 T4 T5 
33                          end else begin
34         1/1                src_level <= src_level ^ src_pulse_i;
           Tests:       T1 T4 T5 
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 T5 
90         1/1                dst_level_q <= 1'b0;
           Tests:       T1 T4 T5 
91                          end else begin
92         1/1                dst_level_q <= dst_level;
           Tests:       T1 T4 T5 
93                          end
94                        end
95                      
96                        // edge detection
97         1/1            assign dst_pulse_o = dst_level_q ^ dst_level;
           Tests:       T1 T4 T5

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,T5
0	1	Covered	T29,T30,T31
1	0	Covered	T29,T30,T31
1	1	Covered	T29,T30,T31

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

-1-	-2-	Status	Tests
0	0	Covered	T1,T4,T5
0	1	Covered	T29,T30,T31
1	0	Covered	T29,T30,T31
1	1	Covered	T29,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,T5
0	Covered	T1,T4,T5



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,T5
0	Covered	T1,T4,T5

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	1194890855	7231	0	0
SrcPulseCheck_M	6093881	7231	0	0

DstPulseCheck_A

Name	Attempts	Real Successes
Total	1194890855	7231
T29	152744	51
T30	0	63
T31	0	82
T41	0	58
T52	0	11
T56	0	63
T71	0	11
T75	116830	0
T86	338985	0
T87	124086	0
T88	17914	0
T95	0	51
T96	0	59
T97	0	55
T98	125736	0
T99	63093	0
T100	109005	0
T101	50849	0
T102	201180	0

SrcPulseCheck_M

Name	Attempts	Real Successes
Total	6093881	7231
T29	12219	51
T30	0	63
T31	0	82
T41	0	58
T52	0	11
T56	0	63
T71	0	11
T75	2552	0
T86	1412	0
T87	496	0
T88	511	0
T95	0	51
T96	0	59
T97	0	55
T98	502	0
T99	525	0
T100	872	0
T101	407	0
T102	402	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 T5 
32         1/1                src_level <= 1'b0;
           Tests:       T1 T4 T5 
33                          end else begin
34         1/1                src_level <= src_level ^ src_pulse_i;
           Tests:       T1 T4 T5 
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 T5 
90         1/1                dst_level_q <= 1'b0;
           Tests:       T1 T4 T5 
91                          end else begin
92         1/1                dst_level_q <= dst_level;
           Tests:       T1 T4 T5 
93                          end
94                        end
95                      
96                        // edge detection
97         1/1            assign dst_pulse_o = dst_level_q ^ dst_level;
           Tests:       T5 T7 T28

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,T5
0	1	Covered	T5,T7,T28
1	0	Covered	T5,T7,T28
1	1	Covered	T52,T71,T35

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

-1-	-2-	Status	Tests
0	0	Covered	T1,T4,T5
0	1	Covered	T5,T7,T28
1	0	Covered	T52,T71,T35
1	1	Covered	T5,T7,T28

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,T5
0	Covered	T1,T4,T5



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,T5
0	Covered	T1,T4,T5

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	6093881	1239	0	0
SrcPulseCheck_M	1194890855	1311	0	0

DstPulseCheck_A

Name	Attempts	Real Successes
Total	6093881	1239
T2	1386	0
T3	1092	0
T5	471	1
T7	511	1
T12	0	1
T13	422	0
T14	497	0
T15	523	0
T16	668	0
T24	508	0
T26	1505	0
T28	0	1
T29	0	1
T30	0	1
T31	0	1
T41	0	3
T52	0	9
T69	0	1

SrcPulseCheck_M

Name	Attempts	Real Successes
Total	1194890855	1311
T2	39239	0
T3	81967	0
T5	54253	1
T7	20487	1
T12	0	1
T13	202902	0
T14	173858	0
T15	120419	0
T16	120237	0
T24	50845	0
T26	188203	0
T28	0	1
T29	0	1
T30	0	1
T31	0	1
T41	0	3
T52	0	9
T69	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 T5 
32         1/1                src_level <= 1'b0;
           Tests:       T1 T4 T5 
33                          end else begin
34         1/1                src_level <= src_level ^ src_pulse_i;
           Tests:       T1 T4 T5 
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 T5 
90         1/1                dst_level_q <= 1'b0;
           Tests:       T1 T4 T5 
91                          end else begin
92         1/1                dst_level_q <= dst_level;
           Tests:       T1 T4 T5 
93                          end
94                        end
95                      
96                        // edge detection
97         1/1            assign dst_pulse_o = dst_level_q ^ dst_level;
           Tests:       T1 T4 T5

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,T5
0	1	Covered	T5,T7,T28
1	0	Covered	T5,T7,T28
1	1	Covered	T52,T71,T35

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

-1-	-2-	Status	Tests
0	0	Covered	T1,T4,T5
0	1	Covered	T5,T7,T28
1	0	Covered	T52,T71,T35
1	1	Covered	T5,T7,T28

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,T5
0	Covered	T1,T4,T5



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,T5
0	Covered	T1,T4,T5

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	1194890855	1304	0	0
SrcPulseCheck_M	6093881	1304	0	0

DstPulseCheck_A

Name	Attempts	Real Successes
Total	1194890855	1304
T2	39239	0
T3	81967	0
T5	54253	1
T7	20487	1
T12	0	1
T13	202902	0
T14	173858	0
T15	120419	0
T16	120237	0
T24	50845	0
T26	188203	0
T28	0	1
T29	0	1
T30	0	1
T31	0	1
T41	0	3
T52	0	9
T69	0	1

SrcPulseCheck_M

Name	Attempts	Real Successes
Total	6093881	1304
T2	1386	0
T3	1092	0
T5	471	1
T7	511	1
T12	0	1
T13	422	0
T14	497	0
T15	523	0
T16	668	0
T24	508	0
T26	1505	0
T28	0	1
T29	0	1
T30	0	1
T31	0	1
T41	0	3
T52	0	9
T69	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 T5 
32         1/1                src_level <= 1'b0;
           Tests:       T1 T4 T5 
33                          end else begin
34         1/1                src_level <= src_level ^ src_pulse_i;
           Tests:       T1 T4 T5 
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 T5 
90         1/1                dst_level_q <= 1'b0;
           Tests:       T1 T4 T5 
91                          end else begin
92         1/1                dst_level_q <= dst_level;
           Tests:       T1 T4 T5 
93                          end
94                        end
95                      
96                        // edge detection
97         1/1            assign dst_pulse_o = dst_level_q ^ dst_level;
           Tests:       T29 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,T5
0	1	Covered	T29,T30,T31
1	0	Covered	T29,T30,T31
1	1	Covered	T52,T71,T35

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

-1-	-2-	Status	Tests
0	0	Covered	T1,T4,T5
0	1	Covered	T29,T30,T31
1	0	Covered	T52,T71,T35
1	1	Covered	T29,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,T5
0	Covered	T1,T4,T5



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,T5
0	Covered	T1,T4,T5

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	6093881	1198	0	0
SrcPulseCheck_M	1194890855	1273	0	0

DstPulseCheck_A

Name	Attempts	Real Successes
Total	6093881	1198
T29	12219	1
T30	0	1
T31	0	1
T41	0	3
T52	0	9
T56	0	2
T71	0	9
T75	2552	0
T86	1412	0
T87	496	0
T88	511	0
T95	0	1
T96	0	3
T97	0	5
T98	502	0
T99	525	0
T100	872	0
T101	407	0
T102	402	0

SrcPulseCheck_M

Name	Attempts	Real Successes
Total	1194890855	1273
T29	152744	1
T30	0	1
T31	0	1
T41	0	3
T52	0	9
T56	0	2
T71	0	9
T75	116830	0
T86	338985	0
T87	124086	0
T88	17914	0
T95	0	1
T96	0	3
T97	0	5
T98	125736	0
T99	63093	0
T100	109005	0
T101	50849	0
T102	201180	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 T5 
32         1/1                src_level <= 1'b0;
           Tests:       T1 T4 T5 
33                          end else begin
34         1/1                src_level <= src_level ^ src_pulse_i;
           Tests:       T1 T4 T5 
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 T5 
90         1/1                dst_level_q <= 1'b0;
           Tests:       T1 T4 T5 
91                          end else begin
92         1/1                dst_level_q <= dst_level;
           Tests:       T1 T4 T5 
93                          end
94                        end
95                      
96                        // edge detection
97         1/1            assign dst_pulse_o = dst_level_q ^ dst_level;
           Tests:       T1 T4 T5

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,T5
0	1	Covered	T29,T30,T31
1	0	Covered	T29,T30,T31
1	1	Covered	T52,T71,T35

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

-1-	-2-	Status	Tests
0	0	Covered	T1,T4,T5
0	1	Covered	T29,T30,T31
1	0	Covered	T52,T71,T35
1	1	Covered	T29,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,T5
0	Covered	T1,T4,T5



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,T5
0	Covered	T1,T4,T5

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	1194890855	1264	0	0
SrcPulseCheck_M	6093881	1264	0	0

DstPulseCheck_A

Name	Attempts	Real Successes
Total	1194890855	1264
T29	152744	1
T30	0	1
T31	0	1
T41	0	3
T52	0	9
T56	0	2
T71	0	9
T75	116830	0
T86	338985	0
T87	124086	0
T88	17914	0
T95	0	1
T96	0	3
T97	0	5
T98	125736	0
T99	63093	0
T100	109005	0
T101	50849	0
T102	201180	0

SrcPulseCheck_M

Name	Attempts	Real Successes
Total	6093881	1264
T29	12219	1
T30	0	1
T31	0	1
T41	0	3
T52	0	9
T56	0	2
T71	0	9
T75	2552	0
T86	1412	0
T87	496	0
T88	511	0
T95	0	1
T96	0	3
T97	0	5
T98	502	0
T99	525	0
T100	872	0
T101	407	0
T102	402	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 T5 
32         1/1                src_level <= 1'b0;
           Tests:       T1 T4 T5 
33                          end else begin
34         1/1                src_level <= src_level ^ src_pulse_i;
           Tests:       T1 T4 T5 
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 T5 
90         1/1                dst_level_q <= 1'b0;
           Tests:       T1 T4 T5 
91                          end else begin
92         1/1                dst_level_q <= dst_level;
           Tests:       T1 T4 T5 
93                          end
94                        end
95                      
96                        // edge detection
97         1/1            assign dst_pulse_o = dst_level_q ^ dst_level;
           Tests:       T29 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,T5
0	1	Covered	T29,T30,T31
1	0	Covered	T29,T30,T31
1	1	Covered	T52,T71,T35

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

-1-	-2-	Status	Tests
0	0	Covered	T1,T4,T5
0	1	Covered	T29,T30,T31
1	0	Covered	T52,T71,T35
1	1	Covered	T29,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,T5
0	Covered	T1,T4,T5



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,T5
0	Covered	T1,T4,T5

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	6093881	1205	0	0
SrcPulseCheck_M	1194890855	1274	0	0

DstPulseCheck_A

Name	Attempts	Real Successes
Total	6093881	1205
T29	12219	1
T30	0	1
T31	0	1
T41	0	3
T52	0	9
T56	0	2
T71	0	9
T75	2552	0
T86	1412	0
T87	496	0
T88	511	0
T95	0	1
T96	0	3
T97	0	5
T98	502	0
T99	525	0
T100	872	0
T101	407	0
T102	402	0

SrcPulseCheck_M

Name	Attempts	Real Successes
Total	1194890855	1274
T29	152744	1
T30	0	1
T31	0	1
T41	0	3
T52	0	9
T56	0	2
T71	0	9
T75	116830	0
T86	338985	0
T87	124086	0
T88	17914	0
T95	0	1
T96	0	3
T97	0	5
T98	125736	0
T99	63093	0
T100	109005	0
T101	50849	0
T102	201180	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 T5 
32         1/1                src_level <= 1'b0;
           Tests:       T1 T4 T5 
33                          end else begin
34         1/1                src_level <= src_level ^ src_pulse_i;
           Tests:       T1 T4 T5 
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 T5 
90         1/1                dst_level_q <= 1'b0;
           Tests:       T1 T4 T5 
91                          end else begin
92         1/1                dst_level_q <= dst_level;
           Tests:       T1 T4 T5 
93                          end
94                        end
95                      
96                        // edge detection
97         1/1            assign dst_pulse_o = dst_level_q ^ dst_level;
           Tests:       T1 T4 T5

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,T5
0	1	Covered	T29,T30,T31
1	0	Covered	T29,T30,T31
1	1	Covered	T52,T71,T35

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

-1-	-2-	Status	Tests
0	0	Covered	T1,T4,T5
0	1	Covered	T29,T30,T31
1	0	Covered	T52,T71,T35
1	1	Covered	T29,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,T5
0	Covered	T1,T4,T5



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,T5
0	Covered	T1,T4,T5

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	1194890855	1265	0	0
SrcPulseCheck_M	6093881	1265	0	0

DstPulseCheck_A

Name	Attempts	Real Successes
Total	1194890855	1265
T29	152744	1
T30	0	1
T31	0	1
T41	0	3
T52	0	9
T56	0	2
T71	0	9
T75	116830	0
T86	338985	0
T87	124086	0
T88	17914	0
T95	0	1
T96	0	3
T97	0	5
T98	125736	0
T99	63093	0
T100	109005	0
T101	50849	0
T102	201180	0

SrcPulseCheck_M

Name	Attempts	Real Successes
Total	6093881	1265
T29	12219	1
T30	0	1
T31	0	1
T41	0	3
T52	0	9
T56	0	2
T71	0	9
T75	2552	0
T86	1412	0
T87	496	0
T88	511	0
T95	0	1
T96	0	3
T97	0	5
T98	502	0
T99	525	0
T100	872	0
T101	407	0
T102	402	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 T5 
32         1/1                src_level <= 1'b0;
           Tests:       T1 T4 T5 
33                          end else begin
34         1/1                src_level <= src_level ^ src_pulse_i;
           Tests:       T1 T4 T5 
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 T5 
90         1/1                dst_level_q <= 1'b0;
           Tests:       T1 T4 T5 
91                          end else begin
92         1/1                dst_level_q <= dst_level;
           Tests:       T1 T4 T5 
93                          end
94                        end
95                      
96                        // edge detection
97         1/1            assign dst_pulse_o = dst_level_q ^ dst_level;
           Tests:       T29 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,T5
0	1	Covered	T29,T30,T31
1	0	Covered	T29,T30,T31
1	1	Covered	T52,T71,T35

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

-1-	-2-	Status	Tests
0	0	Covered	T1,T4,T5
0	1	Covered	T29,T30,T31
1	0	Covered	T52,T71,T35
1	1	Covered	T29,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,T5
0	Covered	T1,T4,T5



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,T5
0	Covered	T1,T4,T5

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	6093881	1242	0	0
SrcPulseCheck_M	1194890855	1314	0	0

DstPulseCheck_A

Name	Attempts	Real Successes
Total	6093881	1242
T29	12219	1
T30	0	1
T31	0	1
T41	0	3
T52	0	9
T56	0	2
T71	0	9
T75	2552	0
T86	1412	0
T87	496	0
T88	511	0
T95	0	1
T96	0	3
T97	0	5
T98	502	0
T99	525	0
T100	872	0
T101	407	0
T102	402	0

SrcPulseCheck_M

Name	Attempts	Real Successes
Total	1194890855	1314
T29	152744	1
T30	0	1
T31	0	1
T41	0	3
T52	0	9
T56	0	2
T71	0	9
T75	116830	0
T86	338985	0
T87	124086	0
T88	17914	0
T95	0	1
T96	0	3
T97	0	5
T98	125736	0
T99	63093	0
T100	109005	0
T101	50849	0
T102	201180	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 T5 
32         1/1                src_level <= 1'b0;
           Tests:       T1 T4 T5 
33                          end else begin
34         1/1                src_level <= src_level ^ src_pulse_i;
           Tests:       T1 T4 T5 
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 T5 
90         1/1                dst_level_q <= 1'b0;
           Tests:       T1 T4 T5 
91                          end else begin
92         1/1                dst_level_q <= dst_level;
           Tests:       T1 T4 T5 
93                          end
94                        end
95                      
96                        // edge detection
97         1/1            assign dst_pulse_o = dst_level_q ^ dst_level;
           Tests:       T1 T4 T5

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,T5
0	1	Covered	T29,T30,T31
1	0	Covered	T29,T30,T31
1	1	Covered	T52,T71,T35

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

-1-	-2-	Status	Tests
0	0	Covered	T1,T4,T5
0	1	Covered	T29,T30,T31
1	0	Covered	T52,T71,T35
1	1	Covered	T29,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,T5
0	Covered	T1,T4,T5



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,T5
0	Covered	T1,T4,T5

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	1194890855	1307	0	0
SrcPulseCheck_M	6093881	1307	0	0

DstPulseCheck_A

Name	Attempts	Real Successes
Total	1194890855	1307
T29	152744	1
T30	0	1
T31	0	1
T41	0	3
T52	0	9
T56	0	2
T71	0	9
T75	116830	0
T86	338985	0
T87	124086	0
T88	17914	0
T95	0	1
T96	0	3
T97	0	5
T98	125736	0
T99	63093	0
T100	109005	0
T101	50849	0
T102	201180	0

SrcPulseCheck_M

Name	Attempts	Real Successes
Total	6093881	1307
T29	12219	1
T30	0	1
T31	0	1
T41	0	3
T52	0	9
T56	0	2
T71	0	9
T75	2552	0
T86	1412	0
T87	496	0
T88	511	0
T95	0	1
T96	0	3
T97	0	5
T98	502	0
T99	525	0
T100	872	0
T101	407	0
T102	402	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 T5 
32         1/1                src_level <= 1'b0;
           Tests:       T1 T4 T5 
33                          end else begin
34         1/1                src_level <= src_level ^ src_pulse_i;
           Tests:       T1 T4 T5 
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 T5 
90         1/1                dst_level_q <= 1'b0;
           Tests:       T1 T4 T5 
91                          end else begin
92         1/1                dst_level_q <= dst_level;
           Tests:       T1 T4 T5 
93                          end
94                        end
95                      
96                        // edge detection
97         1/1            assign dst_pulse_o = dst_level_q ^ dst_level;
           Tests:       T1 T5 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,T5
0	1	Covered	T1,T5,T7
1	0	Covered	T1,T5,T7
1	1	Covered	T29,T30,T31

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

-1-	-2-	Status	Tests
0	0	Covered	T1,T4,T5
0	1	Covered	T1,T5,T7
1	0	Covered	T29,T30,T31
1	1	Covered	T1,T5,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,T5
0	Covered	T1,T4,T5



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,T5
0	Covered	T1,T4,T5

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	6093881	7797	0	0
SrcPulseCheck_M	1194890855	7867	0	0

DstPulseCheck_A

Name	Attempts	Real Successes
Total	6093881	7797
T1	489	1
T2	1386	0
T3	1092	0
T4	421	0
T5	471	1
T7	511	1
T8	0	1
T9	0	1
T12	0	1
T13	422	0
T14	497	0
T15	523	0
T16	668	0
T17	0	1
T28	0	1
T57	0	1
T59	0	1

SrcPulseCheck_M

Name	Attempts	Real Successes
Total	1194890855	7867
T1	41595	1
T2	39239	0
T3	81967	0
T4	48408	0
T5	54253	1
T7	20487	1
T8	0	1
T9	0	1
T12	0	1
T13	202902	0
T14	173858	0
T15	120419	0
T16	120237	0
T17	0	1
T28	0	1
T57	0	1
T59	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 T5 
32         1/1                src_level <= 1'b0;
           Tests:       T1 T4 T5 
33                          end else begin
34         1/1                src_level <= src_level ^ src_pulse_i;
           Tests:       T1 T4 T5 
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 T5 
90         1/1                dst_level_q <= 1'b0;
           Tests:       T1 T4 T5 
91                          end else begin
92         1/1                dst_level_q <= dst_level;
           Tests:       T1 T4 T5 
93                          end
94                        end
95                      
96                        // edge detection
97         1/1            assign dst_pulse_o = dst_level_q ^ dst_level;
           Tests:       T1 T4 T5

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,T5
0	1	Covered	T1,T5,T7
1	0	Covered	T1,T5,T7
1	1	Covered	T29,T30,T31

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

-1-	-2-	Status	Tests
0	0	Covered	T1,T4,T5
0	1	Covered	T1,T5,T7
1	0	Covered	T29,T30,T31
1	1	Covered	T1,T5,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,T5
0	Covered	T1,T4,T5



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,T5
0	Covered	T1,T4,T5

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	1194890855	7859	0	0
SrcPulseCheck_M	6093881	7859	0	0

DstPulseCheck_A

Name	Attempts	Real Successes
Total	1194890855	7859
T1	41595	1
T2	39239	0
T3	81967	0
T4	48408	0
T5	54253	1
T7	20487	1
T8	0	1
T9	0	1
T12	0	1
T13	202902	0
T14	173858	0
T15	120419	0
T16	120237	0
T17	0	1
T28	0	1
T57	0	1
T59	0	1

SrcPulseCheck_M

Name	Attempts	Real Successes
Total	6093881	7859
T1	489	1
T2	1386	0
T3	1092	0
T4	421	0
T5	471	1
T7	511	1
T8	0	1
T9	0	1
T12	0	1
T13	422	0
T14	497	0
T15	523	0
T16	668	0
T17	0	1
T28	0	1
T57	0	1
T59	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 T5 
32         1/1                src_level <= 1'b0;
           Tests:       T1 T4 T5 
33                          end else begin
34         1/1                src_level <= src_level ^ src_pulse_i;
           Tests:       T1 T4 T5 
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 T5 
90         1/1                dst_level_q <= 1'b0;
           Tests:       T1 T4 T5 
91                          end else begin
92         1/1                dst_level_q <= dst_level;
           Tests:       T1 T4 T5 
93                          end
94                        end
95                      
96                        // edge detection
97         1/1            assign dst_pulse_o = dst_level_q ^ dst_level;
           Tests:       T32 T33 T29

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,T5
0	1	Covered	T32,T33,T29
1	0	Covered	T32,T33,T29
1	1	Covered	T29,T30,T31

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

-1-	-2-	Status	Tests
0	0	Covered	T1,T4,T5
0	1	Covered	T32,T33,T29
1	0	Covered	T29,T30,T31
1	1	Covered	T32,T33,T29

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,T5
0	Covered	T1,T4,T5



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,T5
0	Covered	T1,T4,T5

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	6093881	7910	0	0
SrcPulseCheck_M	1194890855	7984	0	0

DstPulseCheck_A

Name	Attempts	Real Successes
Total	6093881	7910
T29	0	51
T30	0	63
T31	0	82
T32	7578	1
T33	0	7
T40	0	7
T41	0	74
T42	0	15
T55	0	3
T69	505	0
T72	1529	0
T83	1342	0
T84	491	0
T103	0	1
T104	423	0
T105	512	0
T106	421	0
T107	525	0
T108	402	0

SrcPulseCheck_M

Name	Attempts	Real Successes
Total	1194890855	7984
T29	0	51
T30	0	63
T31	0	82
T32	303147	1
T33	0	7
T40	0	7
T41	0	74
T42	0	15
T55	0	3
T69	60619	0
T72	61466	0
T83	154419	0
T84	123037	0
T103	0	1
T104	50819	0
T105	33305	0
T106	210749	0
T107	65688	0
T108	195226	0

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 T5 
32         1/1                src_level <= 1'b0;
           Tests:       T1 T4 T5 
33                          end else begin
34         1/1                src_level <= src_level ^ src_pulse_i;
           Tests:       T1 T4 T5 
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 T5 
90         1/1                dst_level_q <= 1'b0;
           Tests:       T1 T4 T5 
91                          end else begin
92         1/1                dst_level_q <= dst_level;
           Tests:       T1 T4 T5 
93                          end
94                        end
95                      
96                        // edge detection
97         1/1            assign dst_pulse_o = dst_level_q ^ dst_level;
           Tests:       T1 T4 T5

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,T5
0	1	Covered	T32,T33,T29
1	0	Covered	T32,T33,T29
1	1	Covered	T29,T30,T31

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

-1-	-2-	Status	Tests
0	0	Covered	T1,T4,T5
0	1	Covered	T32,T33,T29
1	0	Covered	T29,T30,T31
1	1	Covered	T32,T33,T29

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,T5
0	Covered	T1,T4,T5



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,T5
0	Covered	T1,T4,T5

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	1194890855	7976	0	0
SrcPulseCheck_M	6093881	7976	0	0

DstPulseCheck_A

Name	Attempts	Real Successes
Total	1194890855	7976
T29	0	51
T30	0	63
T31	0	82
T32	303147	1
T33	0	7
T40	0	7
T41	0	74
T42	0	15
T55	0	3
T69	60619	0
T72	61466	0
T83	154419	0
T84	123037	0
T103	0	1
T104	50819	0
T105	33305	0
T106	210749	0
T107	65688	0
T108	195226	0

SrcPulseCheck_M

Name	Attempts	Real Successes
Total	6093881	7976
T29	0	51
T30	0	63
T31	0	82
T32	7578	1
T33	0	7
T40	0	7
T41	0	74
T42	0	15
T55	0	3
T69	505	0
T72	1529	0
T83	1342	0
T84	491	0
T103	0	1
T104	423	0
T105	512	0
T106	421	0
T107	525	0
T108	402	0

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 T5 
32         1/1                src_level <= 1'b0;
           Tests:       T1 T4 T5 
33                          end else begin
34         1/1                src_level <= src_level ^ src_pulse_i;
           Tests:       T1 T4 T5 
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 T5 
90         1/1                dst_level_q <= 1'b0;
           Tests:       T1 T4 T5 
91                          end else begin
92         1/1                dst_level_q <= dst_level;
           Tests:       T1 T4 T5 
93                          end
94                        end
95                      
96                        // edge detection
97         1/1            assign dst_pulse_o = dst_level_q ^ dst_level;
           Tests:       T32 T33 T29

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,T5
0	1	Covered	T32,T33,T29
1	0	Covered	T32,T33,T29
1	1	Covered	T29,T30,T31

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

-1-	-2-	Status	Tests
0	0	Covered	T1,T4,T5
0	1	Covered	T32,T33,T29
1	0	Covered	T29,T30,T31
1	1	Covered	T32,T33,T29

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,T5
0	Covered	T1,T4,T5



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,T5
0	Covered	T1,T4,T5

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	6093881	7818	0	0
SrcPulseCheck_M	1194890855	7892	0	0

DstPulseCheck_A

Name	Attempts	Real Successes
Total	6093881	7818
T29	0	51
T30	0	51
T31	0	51
T32	7578	1
T33	0	7
T40	0	7
T41	0	74
T42	0	15
T55	0	3
T69	505	0
T72	1529	0
T83	1342	0
T84	491	0
T103	0	1
T104	423	0
T105	512	0
T106	421	0
T107	525	0
T108	402	0

SrcPulseCheck_M

Name	Attempts	Real Successes
Total	1194890855	7892
T29	0	51
T30	0	51
T31	0	51
T32	303147	1
T33	0	7
T40	0	7
T41	0	74
T42	0	15
T55	0	3
T69	60619	0
T72	61466	0
T83	154419	0
T84	123037	0
T103	0	1
T104	50819	0
T105	33305	0
T106	210749	0
T107	65688	0
T108	195226	0

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 T5 
32         1/1                src_level <= 1'b0;
           Tests:       T1 T4 T5 
33                          end else begin
34         1/1                src_level <= src_level ^ src_pulse_i;
           Tests:       T1 T4 T5 
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 T5 
90         1/1                dst_level_q <= 1'b0;
           Tests:       T1 T4 T5 
91                          end else begin
92         1/1                dst_level_q <= dst_level;
           Tests:       T1 T4 T5 
93                          end
94                        end
95                      
96                        // edge detection
97         1/1            assign dst_pulse_o = dst_level_q ^ dst_level;
           Tests:       T1 T4 T5

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,T5
0	1	Covered	T32,T33,T29
1	0	Covered	T32,T33,T29
1	1	Covered	T29,T30,T31

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

-1-	-2-	Status	Tests
0	0	Covered	T1,T4,T5
0	1	Covered	T32,T33,T29
1	0	Covered	T29,T30,T31
1	1	Covered	T32,T33,T29

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,T5
0	Covered	T1,T4,T5



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,T5
0	Covered	T1,T4,T5

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	1194890855	7884	0	0
SrcPulseCheck_M	6093881	7884	0	0

DstPulseCheck_A

Name	Attempts	Real Successes
Total	1194890855	7884
T29	0	51
T30	0	51
T31	0	51
T32	303147	1
T33	0	7
T40	0	7
T41	0	74
T42	0	15
T55	0	3
T69	60619	0
T72	61466	0
T83	154419	0
T84	123037	0
T103	0	1
T104	50819	0
T105	33305	0
T106	210749	0
T107	65688	0
T108	195226	0

SrcPulseCheck_M

Name	Attempts	Real Successes
Total	6093881	7884
T29	0	51
T30	0	51
T31	0	51
T32	7578	1
T33	0	7
T40	0	7
T41	0	74
T42	0	15
T55	0	3
T69	505	0
T72	1529	0
T83	1342	0
T84	491	0
T103	0	1
T104	423	0
T105	512	0
T106	421	0
T107	525	0
T108	402	0

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 T5 
32         1/1                src_level <= 1'b0;
           Tests:       T1 T4 T5 
33                          end else begin
34         1/1                src_level <= src_level ^ src_pulse_i;
           Tests:       T1 T4 T5 
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 T5 
90         1/1                dst_level_q <= 1'b0;
           Tests:       T1 T4 T5 
91                          end else begin
92         1/1                dst_level_q <= dst_level;
           Tests:       T1 T4 T5 
93                          end
94                        end
95                      
96                        // edge detection
97         1/1            assign dst_pulse_o = dst_level_q ^ dst_level;
           Tests:       T32 T33 T29

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,T5
0	1	Covered	T32,T33,T29
1	0	Covered	T32,T33,T29
1	1	Covered	T29,T30,T31

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

-1-	-2-	Status	Tests
0	0	Covered	T1,T4,T5
0	1	Covered	T32,T33,T29
1	0	Covered	T29,T30,T31
1	1	Covered	T32,T33,T29

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,T5
0	Covered	T1,T4,T5



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,T5
0	Covered	T1,T4,T5

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	6093881	7691	0	0
SrcPulseCheck_M	1194890855	7761	0	0

DstPulseCheck_A

Name	Attempts	Real Successes
Total	6093881	7691
T29	0	51
T30	0	63
T31	0	82
T32	7578	1
T33	0	7
T40	0	7
T41	0	58
T42	0	15
T55	0	3
T69	505	0
T72	1529	0
T83	1342	0
T84	491	0
T103	0	1
T104	423	0
T105	512	0
T106	421	0
T107	525	0
T108	402	0

SrcPulseCheck_M

Name	Attempts	Real Successes
Total	1194890855	7761
T29	0	51
T30	0	63
T31	0	82
T32	303147	1
T33	0	7
T40	0	7
T41	0	58
T42	0	15
T55	0	3
T69	60619	0
T72	61466	0
T83	154419	0
T84	123037	0
T103	0	1
T104	50819	0
T105	33305	0
T106	210749	0
T107	65688	0
T108	195226	0

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 T5 
32         1/1                src_level <= 1'b0;
           Tests:       T1 T4 T5 
33                          end else begin
34         1/1                src_level <= src_level ^ src_pulse_i;
           Tests:       T1 T4 T5 
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 T5 
90         1/1                dst_level_q <= 1'b0;
           Tests:       T1 T4 T5 
91                          end else begin
92         1/1                dst_level_q <= dst_level;
           Tests:       T1 T4 T5 
93                          end
94                        end
95                      
96                        // edge detection
97         1/1            assign dst_pulse_o = dst_level_q ^ dst_level;
           Tests:       T1 T4 T5

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,T5
0	1	Covered	T32,T33,T29
1	0	Covered	T32,T33,T29
1	1	Covered	T29,T30,T31

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

-1-	-2-	Status	Tests
0	0	Covered	T1,T4,T5
0	1	Covered	T32,T33,T29
1	0	Covered	T29,T30,T31
1	1	Covered	T32,T33,T29

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,T5
0	Covered	T1,T4,T5



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,T5
0	Covered	T1,T4,T5

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	1194890855	7755	0	0
SrcPulseCheck_M	6093881	7755	0	0

DstPulseCheck_A

Name	Attempts	Real Successes
Total	1194890855	7755
T29	0	51
T30	0	63
T31	0	82
T32	303147	1
T33	0	7
T40	0	7
T41	0	58
T42	0	15
T55	0	3
T69	60619	0
T72	61466	0
T83	154419	0
T84	123037	0
T103	0	1
T104	50819	0
T105	33305	0
T106	210749	0
T107	65688	0
T108	195226	0

SrcPulseCheck_M

Name	Attempts	Real Successes
Total	6093881	7755
T29	0	51
T30	0	63
T31	0	82
T32	7578	1
T33	0	7
T40	0	7
T41	0	58
T42	0	15
T55	0	3
T69	505	0
T72	1529	0
T83	1342	0
T84	491	0
T103	0	1
T104	423	0
T105	512	0
T106	421	0
T107	525	0
T108	402	0

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 T5 
32         1/1                src_level <= 1'b0;
           Tests:       T1 T4 T5 
33                          end else begin
34         1/1                src_level <= src_level ^ src_pulse_i;
           Tests:       T1 T4 T5 
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 T5 
90         1/1                dst_level_q <= 1'b0;
           Tests:       T1 T4 T5 
91                          end else begin
92         1/1                dst_level_q <= dst_level;
           Tests:       T1 T4 T5 
93                          end
94                        end
95                      
96                        // edge detection
97         1/1            assign dst_pulse_o = dst_level_q ^ dst_level;
           Tests:       T1 T5 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,T5
0	1	Covered	T1,T5,T7
1	0	Covered	T1,T5,T7
1	1	Covered	T52,T71,T35

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

-1-	-2-	Status	Tests
0	0	Covered	T1,T4,T5
0	1	Covered	T1,T5,T7
1	0	Covered	T52,T71,T35
1	1	Covered	T1,T5,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,T5
0	Covered	T1,T4,T5



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,T5
0	Covered	T1,T4,T5

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	6093881	1809	0	0
SrcPulseCheck_M	1194890855	1878	0	0

DstPulseCheck_A

Name	Attempts	Real Successes
Total	6093881	1809
T1	489	1
T2	1386	0
T3	1092	0
T4	421	0
T5	471	1
T7	511	1
T8	0	1
T9	0	1
T12	0	1
T13	422	0
T14	497	0
T15	523	0
T16	668	0
T17	0	1
T28	0	1
T57	0	1
T59	0	1

SrcPulseCheck_M

Name	Attempts	Real Successes
Total	1194890855	1878
T1	41595	1
T2	39239	0
T3	81967	0
T4	48408	0
T5	54253	1
T7	20487	1
T8	0	1
T9	0	1
T12	0	1
T13	202902	0
T14	173858	0
T15	120419	0
T16	120237	0
T17	0	1
T28	0	1
T57	0	1
T59	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 T5 
32         1/1                src_level <= 1'b0;
           Tests:       T1 T4 T5 
33                          end else begin
34         1/1                src_level <= src_level ^ src_pulse_i;
           Tests:       T1 T4 T5 
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 T5 
90         1/1                dst_level_q <= 1'b0;
           Tests:       T1 T4 T5 
91                          end else begin
92         1/1                dst_level_q <= dst_level;
           Tests:       T1 T4 T5 
93                          end
94                        end
95                      
96                        // edge detection
97         1/1            assign dst_pulse_o = dst_level_q ^ dst_level;
           Tests:       T1 T4 T5

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,T5
0	1	Covered	T1,T5,T7
1	0	Covered	T1,T5,T7
1	1	Covered	T52,T71,T35

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

-1-	-2-	Status	Tests
0	0	Covered	T1,T4,T5
0	1	Covered	T1,T5,T7
1	0	Covered	T52,T71,T35
1	1	Covered	T1,T5,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,T5
0	Covered	T1,T4,T5



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,T5
0	Covered	T1,T4,T5

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	1194890855	1870	0	0
SrcPulseCheck_M	6093881	1870	0	0

DstPulseCheck_A

Name	Attempts	Real Successes
Total	1194890855	1870
T1	41595	1
T2	39239	0
T3	81967	0
T4	48408	0
T5	54253	1
T7	20487	1
T8	0	1
T9	0	1
T12	0	1
T13	202902	0
T14	173858	0
T15	120419	0
T16	120237	0
T17	0	1
T28	0	1
T57	0	1
T59	0	1

SrcPulseCheck_M

Name	Attempts	Real Successes
Total	6093881	1870
T1	489	1
T2	1386	0
T3	1092	0
T4	421	0
T5	471	1
T7	511	1
T8	0	1
T9	0	1
T12	0	1
T13	422	0
T14	497	0
T15	523	0
T16	668	0
T17	0	1
T28	0	1
T57	0	1
T59	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 T5 
32         1/1                src_level <= 1'b0;
           Tests:       T1 T4 T5 
33                          end else begin
34         1/1                src_level <= src_level ^ src_pulse_i;
           Tests:       T1 T4 T5 
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 T5 
90         1/1                dst_level_q <= 1'b0;
           Tests:       T1 T4 T5 
91                          end else begin
92         1/1                dst_level_q <= dst_level;
           Tests:       T1 T4 T5 
93                          end
94                        end
95                      
96                        // edge detection
97         1/1            assign dst_pulse_o = dst_level_q ^ dst_level;
           Tests:       T32 T33 T29

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,T5
0	1	Covered	T32,T33,T29
1	0	Covered	T32,T33,T29
1	1	Covered	T52,T71,T35

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

-1-	-2-	Status	Tests
0	0	Covered	T1,T4,T5
0	1	Covered	T32,T33,T29
1	0	Covered	T52,T71,T35
1	1	Covered	T32,T33,T29

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,T5
0	Covered	T1,T4,T5



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,T5
0	Covered	T1,T4,T5

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	6093881	1730	0	0
SrcPulseCheck_M	1194890855	1800	0	0

DstPulseCheck_A

Name	Attempts	Real Successes
Total	6093881	1730
T29	0	1
T30	0	1
T31	0	1
T32	7578	1
T33	0	7
T40	0	7
T41	0	3
T42	0	15
T55	0	3
T69	505	0
T72	1529	0
T83	1342	0
T84	491	0
T103	0	1
T104	423	0
T105	512	0
T106	421	0
T107	525	0
T108	402	0

SrcPulseCheck_M

Name	Attempts	Real Successes
Total	1194890855	1800
T29	0	1
T30	0	1
T31	0	1
T32	303147	1
T33	0	7
T40	0	7
T41	0	3
T42	0	15
T55	0	3
T69	60619	0
T72	61466	0
T83	154419	0
T84	123037	0
T103	0	1
T104	50819	0
T105	33305	0
T106	210749	0
T107	65688	0
T108	195226	0

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 T5 
32         1/1                src_level <= 1'b0;
           Tests:       T1 T4 T5 
33                          end else begin
34         1/1                src_level <= src_level ^ src_pulse_i;
           Tests:       T1 T4 T5 
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 T5 
90         1/1                dst_level_q <= 1'b0;
           Tests:       T1 T4 T5 
91                          end else begin
92         1/1                dst_level_q <= dst_level;
           Tests:       T1 T4 T5 
93                          end
94                        end
95                      
96                        // edge detection
97         1/1            assign dst_pulse_o = dst_level_q ^ dst_level;
           Tests:       T1 T4 T5

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,T5
0	1	Covered	T32,T33,T29
1	0	Covered	T32,T33,T29
1	1	Covered	T52,T71,T35

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

-1-	-2-	Status	Tests
0	0	Covered	T1,T4,T5
0	1	Covered	T32,T33,T29
1	0	Covered	T52,T71,T35
1	1	Covered	T32,T33,T29

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,T5
0	Covered	T1,T4,T5



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,T5
0	Covered	T1,T4,T5

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	1194890855	1793	0	0
SrcPulseCheck_M	6093881	1793	0	0

DstPulseCheck_A

Name	Attempts	Real Successes
Total	1194890855	1793
T29	0	1
T30	0	1
T31	0	1
T32	303147	1
T33	0	7
T40	0	7
T41	0	3
T42	0	15
T55	0	3
T69	60619	0
T72	61466	0
T83	154419	0
T84	123037	0
T103	0	1
T104	50819	0
T105	33305	0
T106	210749	0
T107	65688	0
T108	195226	0

SrcPulseCheck_M

Name	Attempts	Real Successes
Total	6093881	1793
T29	0	1
T30	0	1
T31	0	1
T32	7578	1
T33	0	7
T40	0	7
T41	0	3
T42	0	15
T55	0	3
T69	505	0
T72	1529	0
T83	1342	0
T84	491	0
T103	0	1
T104	423	0
T105	512	0
T106	421	0
T107	525	0
T108	402	0

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 T5 
32         1/1                src_level <= 1'b0;
           Tests:       T1 T4 T5 
33                          end else begin
34         1/1                src_level <= src_level ^ src_pulse_i;
           Tests:       T1 T4 T5 
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 T5 
90         1/1                dst_level_q <= 1'b0;
           Tests:       T1 T4 T5 
91                          end else begin
92         1/1                dst_level_q <= dst_level;
           Tests:       T1 T4 T5 
93                          end
94                        end
95                      
96                        // edge detection
97         1/1            assign dst_pulse_o = dst_level_q ^ dst_level;
           Tests:       T32 T33 T29

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,T5
0	1	Covered	T32,T33,T29
1	0	Covered	T32,T33,T29
1	1	Covered	T52,T71,T35

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

-1-	-2-	Status	Tests
0	0	Covered	T1,T4,T5
0	1	Covered	T32,T33,T29
1	0	Covered	T52,T71,T35
1	1	Covered	T32,T33,T29

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,T5
0	Covered	T1,T4,T5



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,T5
0	Covered	T1,T4,T5

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	6093881	1743	0	0
SrcPulseCheck_M	1194890855	1815	0	0

DstPulseCheck_A

Name	Attempts	Real Successes
Total	6093881	1743
T29	0	1
T30	0	1
T31	0	1
T32	7578	1
T33	0	7
T40	0	7
T41	0	3
T42	0	15
T55	0	3
T69	505	0
T72	1529	0
T83	1342	0
T84	491	0
T103	0	1
T104	423	0
T105	512	0
T106	421	0
T107	525	0
T108	402	0

SrcPulseCheck_M

Name	Attempts	Real Successes
Total	1194890855	1815
T29	0	1
T30	0	1
T31	0	1
T32	303147	1
T33	0	7
T40	0	7
T41	0	3
T42	0	15
T55	0	3
T69	60619	0
T72	61466	0
T83	154419	0
T84	123037	0
T103	0	1
T104	50819	0
T105	33305	0
T106	210749	0
T107	65688	0
T108	195226	0

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 T5 
32         1/1                src_level <= 1'b0;
           Tests:       T1 T4 T5 
33                          end else begin
34         1/1                src_level <= src_level ^ src_pulse_i;
           Tests:       T1 T4 T5 
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 T5 
90         1/1                dst_level_q <= 1'b0;
           Tests:       T1 T4 T5 
91                          end else begin
92         1/1                dst_level_q <= dst_level;
           Tests:       T1 T4 T5 
93                          end
94                        end
95                      
96                        // edge detection
97         1/1            assign dst_pulse_o = dst_level_q ^ dst_level;
           Tests:       T1 T4 T5

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,T5
0	1	Covered	T32,T33,T29
1	0	Covered	T32,T33,T29
1	1	Covered	T52,T71,T35

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

-1-	-2-	Status	Tests
0	0	Covered	T1,T4,T5
0	1	Covered	T32,T33,T29
1	0	Covered	T52,T71,T35
1	1	Covered	T32,T33,T29

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,T5
0	Covered	T1,T4,T5



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,T5
0	Covered	T1,T4,T5

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	1194890855	1809	0	0
SrcPulseCheck_M	6093881	1809	0	0

DstPulseCheck_A

Name	Attempts	Real Successes
Total	1194890855	1809
T29	0	1
T30	0	1
T31	0	1
T32	303147	1
T33	0	7
T40	0	7
T41	0	3
T42	0	15
T55	0	3
T69	60619	0
T72	61466	0
T83	154419	0
T84	123037	0
T103	0	1
T104	50819	0
T105	33305	0
T106	210749	0
T107	65688	0
T108	195226	0

SrcPulseCheck_M

Name	Attempts	Real Successes
Total	6093881	1809
T29	0	1
T30	0	1
T31	0	1
T32	7578	1
T33	0	7
T40	0	7
T41	0	3
T42	0	15
T55	0	3
T69	505	0
T72	1529	0
T83	1342	0
T84	491	0
T103	0	1
T104	423	0
T105	512	0
T106	421	0
T107	525	0
T108	402	0

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 T5 
32         1/1                src_level <= 1'b0;
           Tests:       T1 T4 T5 
33                          end else begin
34         1/1                src_level <= src_level ^ src_pulse_i;
           Tests:       T1 T4 T5 
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 T5 
90         1/1                dst_level_q <= 1'b0;
           Tests:       T1 T4 T5 
91                          end else begin
92         1/1                dst_level_q <= dst_level;
           Tests:       T1 T4 T5 
93                          end
94                        end
95                      
96                        // edge detection
97         1/1            assign dst_pulse_o = dst_level_q ^ dst_level;
           Tests:       T32 T33 T29

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,T5
0	1	Covered	T32,T33,T29
1	0	Covered	T32,T33,T29
1	1	Covered	T52,T71,T35

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

-1-	-2-	Status	Tests
0	0	Covered	T1,T4,T5
0	1	Covered	T32,T33,T29
1	0	Covered	T52,T71,T35
1	1	Covered	T32,T33,T29

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,T5
0	Covered	T1,T4,T5



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,T5
0	Covered	T1,T4,T5

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	6093881	1731	0	0
SrcPulseCheck_M	1194890855	1800	0	0

DstPulseCheck_A

Name	Attempts	Real Successes
Total	6093881	1731
T29	0	1
T30	0	1
T31	0	1
T32	7578	1
T33	0	7
T40	0	7
T41	0	3
T42	0	15
T55	0	3
T69	505	0
T72	1529	0
T83	1342	0
T84	491	0
T103	0	1
T104	423	0
T105	512	0
T106	421	0
T107	525	0
T108	402	0

SrcPulseCheck_M

Name	Attempts	Real Successes
Total	1194890855	1800
T29	0	1
T30	0	1
T31	0	1
T32	303147	1
T33	0	7
T40	0	7
T41	0	3
T42	0	15
T55	0	3
T69	60619	0
T72	61466	0
T83	154419	0
T84	123037	0
T103	0	1
T104	50819	0
T105	33305	0
T106	210749	0
T107	65688	0
T108	195226	0

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 T5 
32         1/1                src_level <= 1'b0;
           Tests:       T1 T4 T5 
33                          end else begin
34         1/1                src_level <= src_level ^ src_pulse_i;
           Tests:       T1 T4 T5 
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 T5 
90         1/1                dst_level_q <= 1'b0;
           Tests:       T1 T4 T5 
91                          end else begin
92         1/1                dst_level_q <= dst_level;
           Tests:       T1 T4 T5 
93                          end
94                        end
95                      
96                        // edge detection
97         1/1            assign dst_pulse_o = dst_level_q ^ dst_level;
           Tests:       T1 T4 T5

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,T5
0	1	Covered	T32,T33,T29
1	0	Covered	T32,T33,T29
1	1	Covered	T52,T71,T35

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

-1-	-2-	Status	Tests
0	0	Covered	T1,T4,T5
0	1	Covered	T32,T33,T29
1	0	Covered	T52,T71,T35
1	1	Covered	T32,T33,T29

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,T5
0	Covered	T1,T4,T5



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,T5
0	Covered	T1,T4,T5

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	1194890855	1794	0	0
SrcPulseCheck_M	6093881	1794	0	0

DstPulseCheck_A

Name	Attempts	Real Successes
Total	1194890855	1794
T29	0	1
T30	0	1
T31	0	1
T32	303147	1
T33	0	7
T40	0	7
T41	0	3
T42	0	15
T55	0	3
T69	60619	0
T72	61466	0
T83	154419	0
T84	123037	0
T103	0	1
T104	50819	0
T105	33305	0
T106	210749	0
T107	65688	0
T108	195226	0

SrcPulseCheck_M

Name	Attempts	Real Successes
Total	6093881	1794
T29	0	1
T30	0	1
T31	0	1
T32	7578	1
T33	0	7
T40	0	7
T41	0	3
T42	0	15
T55	0	3
T69	505	0
T72	1529	0
T83	1342	0
T84	491	0
T103	0	1
T104	423	0
T105	512	0
T106	421	0
T107	525	0
T108	402	0

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 T5 
32         1/1                src_level <= 1'b0;
           Tests:       T1 T4 T5 
33                          end else begin
34         1/1                src_level <= src_level ^ src_pulse_i;
           Tests:       T1 T4 T5 
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 T5 
90         1/1                dst_level_q <= 1'b0;
           Tests:       T1 T4 T5 
91                          end else begin
92         1/1                dst_level_q <= dst_level;
           Tests:       T1 T4 T5 
93                          end
94                        end
95                      
96                        // edge detection
97         1/1            assign dst_pulse_o = dst_level_q ^ dst_level;
           Tests:       T1 T5 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,T5
0	1	Covered	T1,T5,T7
1	0	Covered	T1,T5,T7
1	1	Covered	T52,T71,T35

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

-1-	-2-	Status	Tests
0	0	Covered	T1,T4,T5
0	1	Covered	T1,T5,T7
1	0	Covered	T52,T71,T35
1	1	Covered	T1,T5,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,T5
0	Covered	T1,T4,T5



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,T5
0	Covered	T1,T4,T5

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	6093881	1778	0	0
SrcPulseCheck_M	1194890855	1851	0	0

DstPulseCheck_A

Name	Attempts	Real Successes
Total	6093881	1778
T1	489	1
T2	1386	0
T3	1092	0
T4	421	0
T5	471	1
T7	511	1
T8	0	1
T9	0	1
T12	0	1
T13	422	0
T14	497	0
T15	523	0
T16	668	0
T17	0	1
T28	0	1
T57	0	1
T59	0	1

SrcPulseCheck_M

Name	Attempts	Real Successes
Total	1194890855	1851
T1	41595	1
T2	39239	0
T3	81967	0
T4	48408	0
T5	54253	1
T7	20487	1
T8	0	1
T9	0	1
T12	0	1
T13	202902	0
T14	173858	0
T15	120419	0
T16	120237	0
T17	0	1
T28	0	1
T57	0	1
T59	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 T5 
32         1/1                src_level <= 1'b0;
           Tests:       T1 T4 T5 
33                          end else begin
34         1/1                src_level <= src_level ^ src_pulse_i;
           Tests:       T1 T4 T5 
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 T5 
90         1/1                dst_level_q <= 1'b0;
           Tests:       T1 T4 T5 
91                          end else begin
92         1/1                dst_level_q <= dst_level;
           Tests:       T1 T4 T5 
93                          end
94                        end
95                      
96                        // edge detection
97         1/1            assign dst_pulse_o = dst_level_q ^ dst_level;
           Tests:       T1 T4 T5

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,T5
0	1	Covered	T1,T5,T7
1	0	Covered	T1,T5,T7
1	1	Covered	T52,T71,T35

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

-1-	-2-	Status	Tests
0	0	Covered	T1,T4,T5
0	1	Covered	T1,T5,T7
1	0	Covered	T52,T71,T35
1	1	Covered	T1,T5,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,T5
0	Covered	T1,T4,T5



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,T5
0	Covered	T1,T4,T5

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	1194890855	1843	0	0
SrcPulseCheck_M	6093881	1843	0	0

DstPulseCheck_A

Name	Attempts	Real Successes
Total	1194890855	1843
T1	41595	1
T2	39239	0
T3	81967	0
T4	48408	0
T5	54253	1
T7	20487	1
T8	0	1
T9	0	1
T12	0	1
T13	202902	0
T14	173858	0
T15	120419	0
T16	120237	0
T17	0	1
T28	0	1
T57	0	1
T59	0	1

SrcPulseCheck_M

Name	Attempts	Real Successes
Total	6093881	1843
T1	489	1
T2	1386	0
T3	1092	0
T4	421	0
T5	471	1
T7	511	1
T8	0	1
T9	0	1
T12	0	1
T13	422	0
T14	497	0
T15	523	0
T16	668	0
T17	0	1
T28	0	1
T57	0	1
T59	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 T5 
32         1/1                src_level <= 1'b0;
           Tests:       T1 T4 T5 
33                          end else begin
34         1/1                src_level <= src_level ^ src_pulse_i;
           Tests:       T1 T4 T5 
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 T5 
90         1/1                dst_level_q <= 1'b0;
           Tests:       T1 T4 T5 
91                          end else begin
92         1/1                dst_level_q <= dst_level;
           Tests:       T1 T4 T5 
93                          end
94                        end
95                      
96                        // edge detection
97         1/1            assign dst_pulse_o = dst_level_q ^ dst_level;
           Tests:       T32 T33 T29

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,T5
0	1	Covered	T32,T33,T29
1	0	Covered	T32,T33,T29
1	1	Covered	T52,T71,T35

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

-1-	-2-	Status	Tests
0	0	Covered	T1,T4,T5
0	1	Covered	T32,T33,T29
1	0	Covered	T52,T71,T35
1	1	Covered	T32,T33,T29

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,T5
0	Covered	T1,T4,T5



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,T5
0	Covered	T1,T4,T5

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	6093881	1755	0	0
SrcPulseCheck_M	1194890855	1828	0	0

DstPulseCheck_A

Name	Attempts	Real Successes
Total	6093881	1755
T29	0	1
T30	0	1
T31	0	1
T32	7578	1
T33	0	7
T40	0	7
T41	0	3
T42	0	15
T55	0	3
T69	505	0
T72	1529	0
T83	1342	0
T84	491	0
T103	0	1
T104	423	0
T105	512	0
T106	421	0
T107	525	0
T108	402	0

SrcPulseCheck_M

Name	Attempts	Real Successes
Total	1194890855	1828
T29	0	1
T30	0	1
T31	0	1
T32	303147	1
T33	0	7
T40	0	7
T41	0	3
T42	0	15
T55	0	3
T69	60619	0
T72	61466	0
T83	154419	0
T84	123037	0
T103	0	1
T104	50819	0
T105	33305	0
T106	210749	0
T107	65688	0
T108	195226	0

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 T5 
32         1/1                src_level <= 1'b0;
           Tests:       T1 T4 T5 
33                          end else begin
34         1/1                src_level <= src_level ^ src_pulse_i;
           Tests:       T1 T4 T5 
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 T5 
90         1/1                dst_level_q <= 1'b0;
           Tests:       T1 T4 T5 
91                          end else begin
92         1/1                dst_level_q <= dst_level;
           Tests:       T1 T4 T5 
93                          end
94                        end
95                      
96                        // edge detection
97         1/1            assign dst_pulse_o = dst_level_q ^ dst_level;
           Tests:       T1 T4 T5

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,T5
0	1	Covered	T32,T33,T29
1	0	Covered	T32,T33,T29
1	1	Covered	T52,T71,T35

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

-1-	-2-	Status	Tests
0	0	Covered	T1,T4,T5
0	1	Covered	T32,T33,T29
1	0	Covered	T52,T71,T35
1	1	Covered	T32,T33,T29

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,T5
0	Covered	T1,T4,T5



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,T5
0	Covered	T1,T4,T5

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	1194890855	1822	0	0
SrcPulseCheck_M	6093881	1822	0	0

DstPulseCheck_A

Name	Attempts	Real Successes
Total	1194890855	1822
T29	0	1
T30	0	1
T31	0	1
T32	303147	1
T33	0	7
T40	0	7
T41	0	3
T42	0	15
T55	0	3
T69	60619	0
T72	61466	0
T83	154419	0
T84	123037	0
T103	0	1
T104	50819	0
T105	33305	0
T106	210749	0
T107	65688	0
T108	195226	0

SrcPulseCheck_M

Name	Attempts	Real Successes
Total	6093881	1822
T29	0	1
T30	0	1
T31	0	1
T32	7578	1
T33	0	7
T40	0	7
T41	0	3
T42	0	15
T55	0	3
T69	505	0
T72	1529	0
T83	1342	0
T84	491	0
T103	0	1
T104	423	0
T105	512	0
T106	421	0
T107	525	0
T108	402	0

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 T5 
32         1/1                src_level <= 1'b0;
           Tests:       T1 T4 T5 
33                          end else begin
34         1/1                src_level <= src_level ^ src_pulse_i;
           Tests:       T1 T4 T5 
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 T5 
90         1/1                dst_level_q <= 1'b0;
           Tests:       T1 T4 T5 
91                          end else begin
92         1/1                dst_level_q <= dst_level;
           Tests:       T1 T4 T5 
93                          end
94                        end
95                      
96                        // edge detection
97         1/1            assign dst_pulse_o = dst_level_q ^ dst_level;
           Tests:       T32 T33 T29

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,T5
0	1	Covered	T32,T33,T29
1	0	Covered	T32,T33,T29
1	1	Covered	T52,T71,T35

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

-1-	-2-	Status	Tests
0	0	Covered	T1,T4,T5
0	1	Covered	T32,T33,T29
1	0	Covered	T52,T71,T35
1	1	Covered	T32,T33,T29

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,T5
0	Covered	T1,T4,T5



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,T5
0	Covered	T1,T4,T5

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	6093881	1743	0	0
SrcPulseCheck_M	1194890855	1815	0	0

DstPulseCheck_A

Name	Attempts	Real Successes
Total	6093881	1743
T29	0	1
T30	0	1
T31	0	1
T32	7578	1
T33	0	7
T40	0	7
T41	0	3
T42	0	15
T55	0	3
T69	505	0
T72	1529	0
T83	1342	0
T84	491	0
T103	0	1
T104	423	0
T105	512	0
T106	421	0
T107	525	0
T108	402	0

SrcPulseCheck_M

Name	Attempts	Real Successes
Total	1194890855	1815
T29	0	1
T30	0	1
T31	0	1
T32	303147	1
T33	0	7
T40	0	7
T41	0	3
T42	0	15
T55	0	3
T69	60619	0
T72	61466	0
T83	154419	0
T84	123037	0
T103	0	1
T104	50819	0
T105	33305	0
T106	210749	0
T107	65688	0
T108	195226	0

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 T5 
32         1/1                src_level <= 1'b0;
           Tests:       T1 T4 T5 
33                          end else begin
34         1/1                src_level <= src_level ^ src_pulse_i;
           Tests:       T1 T4 T5 
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 T5 
90         1/1                dst_level_q <= 1'b0;
           Tests:       T1 T4 T5 
91                          end else begin
92         1/1                dst_level_q <= dst_level;
           Tests:       T1 T4 T5 
93                          end
94                        end
95                      
96                        // edge detection
97         1/1            assign dst_pulse_o = dst_level_q ^ dst_level;
           Tests:       T1 T4 T5

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,T5
0	1	Covered	T32,T33,T29
1	0	Covered	T32,T33,T29
1	1	Covered	T52,T71,T35

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

-1-	-2-	Status	Tests
0	0	Covered	T1,T4,T5
0	1	Covered	T32,T33,T29
1	0	Covered	T52,T71,T35
1	1	Covered	T32,T33,T29

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,T5
0	Covered	T1,T4,T5



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,T5
0	Covered	T1,T4,T5

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	1194890855	1807	0	0
SrcPulseCheck_M	6093881	1807	0	0

DstPulseCheck_A

Name	Attempts	Real Successes
Total	1194890855	1807
T29	0	1
T30	0	1
T31	0	1
T32	303147	1
T33	0	7
T40	0	7
T41	0	3
T42	0	15
T55	0	3
T69	60619	0
T72	61466	0
T83	154419	0
T84	123037	0
T103	0	1
T104	50819	0
T105	33305	0
T106	210749	0
T107	65688	0
T108	195226	0

SrcPulseCheck_M

Name	Attempts	Real Successes
Total	6093881	1807
T29	0	1
T30	0	1
T31	0	1
T32	7578	1
T33	0	7
T40	0	7
T41	0	3
T42	0	15
T55	0	3
T69	505	0
T72	1529	0
T83	1342	0
T84	491	0
T103	0	1
T104	423	0
T105	512	0
T106	421	0
T107	525	0
T108	402	0

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 T5 
32         1/1                src_level <= 1'b0;
           Tests:       T1 T4 T5 
33                          end else begin
34         1/1                src_level <= src_level ^ src_pulse_i;
           Tests:       T1 T4 T5 
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 T5 
90         1/1                dst_level_q <= 1'b0;
           Tests:       T1 T4 T5 
91                          end else begin
92         1/1                dst_level_q <= dst_level;
           Tests:       T1 T4 T5 
93                          end
94                        end
95                      
96                        // edge detection
97         1/1            assign dst_pulse_o = dst_level_q ^ dst_level;
           Tests:       T32 T33 T29

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,T5
0	1	Covered	T32,T33,T29
1	0	Covered	T32,T33,T29
1	1	Covered	T52,T71,T35

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

-1-	-2-	Status	Tests
0	0	Covered	T1,T4,T5
0	1	Covered	T32,T33,T29
1	0	Covered	T52,T71,T35
1	1	Covered	T32,T33,T29

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,T5
0	Covered	T1,T4,T5



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,T5
0	Covered	T1,T4,T5

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	6093881	1781	0	0
SrcPulseCheck_M	1194890855	1855	0	0

DstPulseCheck_A

Name	Attempts	Real Successes
Total	6093881	1781
T29	0	1
T30	0	1
T31	0	1
T32	7578	1
T33	0	7
T40	0	7
T41	0	3
T42	0	15
T55	0	3
T69	505	0
T72	1529	0
T83	1342	0
T84	491	0
T103	0	1
T104	423	0
T105	512	0
T106	421	0
T107	525	0
T108	402	0

SrcPulseCheck_M

Name	Attempts	Real Successes
Total	1194890855	1855
T29	0	1
T30	0	1
T31	0	1
T32	303147	1
T33	0	7
T40	0	7
T41	0	3
T42	0	15
T55	0	3
T69	60619	0
T72	61466	0
T83	154419	0
T84	123037	0
T103	0	1
T104	50819	0
T105	33305	0
T106	210749	0
T107	65688	0
T108	195226	0

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 T5 
32         1/1                src_level <= 1'b0;
           Tests:       T1 T4 T5 
33                          end else begin
34         1/1                src_level <= src_level ^ src_pulse_i;
           Tests:       T1 T4 T5 
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 T5 
90         1/1                dst_level_q <= 1'b0;
           Tests:       T1 T4 T5 
91                          end else begin
92         1/1                dst_level_q <= dst_level;
           Tests:       T1 T4 T5 
93                          end
94                        end
95                      
96                        // edge detection
97         1/1            assign dst_pulse_o = dst_level_q ^ dst_level;
           Tests:       T1 T4 T5

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,T5
0	1	Covered	T32,T33,T29
1	0	Covered	T32,T33,T29
1	1	Covered	T52,T71,T35

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

-1-	-2-	Status	Tests
0	0	Covered	T1,T4,T5
0	1	Covered	T32,T33,T29
1	0	Covered	T52,T71,T35
1	1	Covered	T32,T33,T29

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,T5
0	Covered	T1,T4,T5



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,T5
0	Covered	T1,T4,T5

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	1194890855	1847	0	0
SrcPulseCheck_M	6093881	1847	0	0

DstPulseCheck_A

Name	Attempts	Real Successes
Total	1194890855	1847
T29	0	1
T30	0	1
T31	0	1
T32	303147	1
T33	0	7
T40	0	7
T41	0	3
T42	0	15
T55	0	3
T69	60619	0
T72	61466	0
T83	154419	0
T84	123037	0
T103	0	1
T104	50819	0
T105	33305	0
T106	210749	0
T107	65688	0
T108	195226	0

SrcPulseCheck_M

Name	Attempts	Real Successes
Total	6093881	1847
T29	0	1
T30	0	1
T31	0	1
T32	7578	1
T33	0	7
T40	0	7
T41	0	3
T42	0	15
T55	0	3
T69	505	0
T72	1529	0
T83	1342	0
T84	491	0
T103	0	1
T104	423	0
T105	512	0
T106	421	0
T107	525	0
T108	402	0

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