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:       T4 T5 T6 
32         1/1                src_level <= 1'b0;
           Tests:       T4 T5 T6 
33                          end else begin
34         1/1                src_level <= src_level ^ src_pulse_i;
           Tests:       T4 T5 T6 
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:       T4 T5 T6 
90         1/1                dst_level_q <= 1'b0;
           Tests:       T4 T5 T6 
91                          end else begin
92         1/1                dst_level_q <= dst_level;
           Tests:       T4 T5 T6 
93                          end
94                        end
95                      
96                        // edge detection
97         1/1            assign dst_pulse_o = dst_level_q ^ dst_level;
           Tests:       T4 T5 T6

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	T4,T5,T6
0	1	Covered	T1,T15,T17
1	0	Covered	T1,T15,T17
1	1	Covered	T11,T21,T34

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

-1-	-2-	Status	Tests
0	0	Covered	T4,T5,T6
0	1	Covered	T1,T15,T17
1	0	Covered	T11,T21,T34
1	1	Covered	T1,T15,T17

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	T4,T5,T6
0	Covered	T4,T5,T6



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	T4,T5,T6
0	Covered	T4,T5,T6

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	202812	0	0
SrcPulseCheck_M	2147483647	204173	0	0

DstPulseCheck_A

Name	Attempts	Real Successes
Total	2147483647	202812
T1	250131	2
T2	161227	0
T3	117819	2
T7	179226	0
T8	28542	0
T9	0	2
T10	0	2
T12	0	2
T14	53524	0
T15	217735	2
T16	251689	0
T17	55154	2
T18	219956	0
T19	784455	12
T20	417729	0
T29	475032	0
T30	41436	0
T31	153144	0
T32	0	16
T33	0	16
T34	825416	15
T35	0	9
T36	0	15
T60	0	2
T61	0	2
T62	0	2
T63	0	16
T64	0	12
T65	0	18
T66	0	14
T67	0	16
T68	399300	0
T69	498984	0
T70	202984	0
T71	192078	0
T72	68279	0

SrcPulseCheck_M

Name	Attempts	Real Successes
Total	2147483647	204173
T1	250131	2
T2	161227	0
T3	117819	2
T7	179226	0
T8	28542	0
T9	0	2
T10	0	2
T12	0	2
T14	53524	0
T15	217735	2
T16	251689	0
T17	55154	2
T18	219956	0
T19	784455	12
T20	417729	0
T29	475032	0
T30	41436	0
T31	153144	0
T32	0	16
T33	0	16
T34	5906	15
T35	0	9
T36	0	15
T60	0	2
T61	0	2
T62	0	2
T63	0	16
T64	0	12
T65	0	18
T66	0	14
T67	0	16
T68	399300	0
T69	498984	0
T70	202984	0
T71	492	0
T72	525	0

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

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



30                        always_ff @(posedge clk_src_i or negedge rst_src_ni) begin
31         1/1              if (!rst_src_ni) begin
           Tests:       T4 T5 T6 
32         1/1                src_level <= 1'b0;
           Tests:       T4 T5 T6 
33                          end else begin
34         1/1                src_level <= src_level ^ src_pulse_i;
           Tests:       T4 T5 T6 
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:       T4 T5 T6 
90         1/1                dst_level_q <= 1'b0;
           Tests:       T4 T5 T6 
91                          end else begin
92         1/1                dst_level_q <= dst_level;
           Tests:       T4 T5 T6 
93                          end
94                        end
95                      
96                        // edge detection
97         1/1            assign dst_pulse_o = dst_level_q ^ dst_level;
           Tests:       T1 T15 T17

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	T4,T5,T6
0	1	Covered	T1,T15,T17
1	0	Covered	T1,T15,T17
1	1	Covered	T41,T42,T24

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

-1-	-2-	Status	Tests
0	0	Covered	T4,T5,T6
0	1	Covered	T1,T15,T17
1	0	Covered	T41,T42,T24
1	1	Covered	T1,T15,T17

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	T4,T5,T6
0	Covered	T4,T5,T6



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	T4,T5,T6
0	Covered	T4,T5,T6

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	8548505	1758	0	0
SrcPulseCheck_M	1026056372	1798	0	0

DstPulseCheck_A

Name	Attempts	Real Successes
Total	8548505	1758
T1	509	1
T2	655	0
T3	478	1
T9	0	1
T10	0	1
T12	0	1
T14	424	0
T15	443	1
T16	501	0
T17	475	1
T18	522	0
T19	2161	1
T20	402	0
T84	0	1
T85	0	1

SrcPulseCheck_M

Name	Attempts	Real Successes
Total	1026056372	1798
T1	249622	1
T2	160572	0
T3	117341	1
T9	0	1
T10	0	1
T12	0	1
T14	53100	0
T15	217292	1
T16	251188	0
T17	54679	1
T18	219434	0
T19	259324	1
T20	138841	0
T84	0	1
T85	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:       T4 T5 T6 
32         1/1                src_level <= 1'b0;
           Tests:       T4 T5 T6 
33                          end else begin
34         1/1                src_level <= src_level ^ src_pulse_i;
           Tests:       T4 T5 T6 
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:       T4 T5 T6 
90         1/1                dst_level_q <= 1'b0;
           Tests:       T4 T5 T6 
91                          end else begin
92         1/1                dst_level_q <= dst_level;
           Tests:       T4 T5 T6 
93                          end
94                        end
95                      
96                        // edge detection
97         1/1            assign dst_pulse_o = dst_level_q ^ dst_level;
           Tests:       T4 T5 T6

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	T4,T5,T6
0	1	Covered	T1,T15,T17
1	0	Covered	T1,T15,T17
1	1	Covered	T41,T42,T24

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

-1-	-2-	Status	Tests
0	0	Covered	T4,T5,T6
0	1	Covered	T1,T15,T17
1	0	Covered	T41,T42,T24
1	1	Covered	T1,T15,T17

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	T4,T5,T6
0	Covered	T4,T5,T6



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	T4,T5,T6
0	Covered	T4,T5,T6

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	1026056372	1791	0	0
SrcPulseCheck_M	8548505	1791	0	0

DstPulseCheck_A

Name	Attempts	Real Successes
Total	1026056372	1791
T1	249622	1
T2	160572	0
T3	117341	1
T9	0	1
T10	0	1
T12	0	1
T14	53100	0
T15	217292	1
T16	251188	0
T17	54679	1
T18	219434	0
T19	259324	1
T20	138841	0
T84	0	1
T85	0	1

SrcPulseCheck_M

Name	Attempts	Real Successes
Total	8548505	1791
T1	509	1
T2	655	0
T3	478	1
T9	0	1
T10	0	1
T12	0	1
T14	424	0
T15	443	1
T16	501	0
T17	475	1
T18	522	0
T19	2161	1
T20	402	0
T84	0	1
T85	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:       T4 T5 T6 
32         1/1                src_level <= 1'b0;
           Tests:       T4 T5 T6 
33                          end else begin
34         1/1                src_level <= src_level ^ src_pulse_i;
           Tests:       T4 T5 T6 
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:       T4 T5 T6 
90         1/1                dst_level_q <= 1'b0;
           Tests:       T4 T5 T6 
91                          end else begin
92         1/1                dst_level_q <= dst_level;
           Tests:       T4 T5 T6 
93                          end
94                        end
95                      
96                        // edge detection
97         1/1            assign dst_pulse_o = dst_level_q ^ dst_level;
           Tests:       T11 T27 T21

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	T4,T5,T6
0	1	Covered	T11,T27,T21
1	0	Covered	T11,T27,T21
1	1	Covered	T11,T21,T22

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

-1-	-2-	Status	Tests
0	0	Covered	T4,T5,T6
0	1	Covered	T11,T27,T21
1	0	Covered	T11,T21,T22
1	1	Covered	T11,T27,T21

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	T4,T5,T6
0	Covered	T4,T5,T6



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	T4,T5,T6
0	Covered	T4,T5,T6

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	8548505	912	0	0
SrcPulseCheck_M	1026056372	950	0	0

DstPulseCheck_A

Name	Attempts	Real Successes
Total	8548505	912
T11	3522	3
T12	505	0
T21	0	3
T22	0	2
T27	20062	1
T28	0	1
T34	0	1
T36	0	1
T60	441	0
T73	0	1
T74	0	3
T78	439	0
T79	403	0
T80	453	0
T81	495	0
T82	601	0
T83	3064	0
T86	0	1

SrcPulseCheck_M

Name	Attempts	Real Successes
Total	1026056372	950
T11	47466	3
T12	242367	0
T21	0	3
T22	0	2
T27	203927	1
T28	0	1
T34	0	1
T36	0	1
T60	108358	0
T73	0	1
T74	0	3
T78	210972	0
T79	92821	0
T80	54383	0
T81	74344	0
T82	282680	0
T83	306471	0
T86	0	1

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

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



30                        always_ff @(posedge clk_src_i or negedge rst_src_ni) begin
31         1/1              if (!rst_src_ni) begin
           Tests:       T4 T5 T6 
32         1/1                src_level <= 1'b0;
           Tests:       T4 T5 T6 
33                          end else begin
34         1/1                src_level <= src_level ^ src_pulse_i;
           Tests:       T4 T5 T6 
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:       T4 T5 T6 
90         1/1                dst_level_q <= 1'b0;
           Tests:       T4 T5 T6 
91                          end else begin
92         1/1                dst_level_q <= dst_level;
           Tests:       T4 T5 T6 
93                          end
94                        end
95                      
96                        // edge detection
97         1/1            assign dst_pulse_o = dst_level_q ^ dst_level;
           Tests:       T4 T5 T6

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	T4,T5,T6
0	1	Covered	T11,T27,T21
1	0	Covered	T11,T27,T21
1	1	Covered	T11,T21,T22

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

-1-	-2-	Status	Tests
0	0	Covered	T4,T5,T6
0	1	Covered	T11,T27,T21
1	0	Covered	T11,T21,T22
1	1	Covered	T11,T27,T21

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	T4,T5,T6
0	Covered	T4,T5,T6



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	T4,T5,T6
0	Covered	T4,T5,T6

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	1026056372	944	0	0
SrcPulseCheck_M	8548505	944	0	0

DstPulseCheck_A

Name	Attempts	Real Successes
Total	1026056372	944
T11	47466	3
T12	242367	0
T21	0	3
T22	0	2
T27	203927	1
T28	0	1
T34	0	1
T36	0	1
T60	108358	0
T73	0	1
T74	0	3
T78	210972	0
T79	92821	0
T80	54383	0
T81	74344	0
T82	282680	0
T83	306471	0
T86	0	1

SrcPulseCheck_M

Name	Attempts	Real Successes
Total	8548505	944
T11	3522	3
T12	505	0
T21	0	3
T22	0	2
T27	20062	1
T28	0	1
T34	0	1
T36	0	1
T60	441	0
T73	0	1
T74	0	3
T78	439	0
T79	403	0
T80	453	0
T81	495	0
T82	601	0
T83	3064	0
T86	0	1

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

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



30                        always_ff @(posedge clk_src_i or negedge rst_src_ni) begin
31         1/1              if (!rst_src_ni) begin
           Tests:       T4 T5 T6 
32         1/1                src_level <= 1'b0;
           Tests:       T4 T5 T6 
33                          end else begin
34         1/1                src_level <= src_level ^ src_pulse_i;
           Tests:       T4 T5 T6 
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:       T4 T5 T6 
90         1/1                dst_level_q <= 1'b0;
           Tests:       T4 T5 T6 
91                          end else begin
92         1/1                dst_level_q <= dst_level;
           Tests:       T4 T5 T6 
93                          end
94                        end
95                      
96                        // edge detection
97         1/1            assign dst_pulse_o = dst_level_q ^ dst_level;
           Tests:       T11 T27 T21

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	T4,T5,T6
0	1	Covered	T11,T27,T21
1	0	Covered	T11,T27,T21
1	1	Covered	T11,T21,T22

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

-1-	-2-	Status	Tests
0	0	Covered	T4,T5,T6
0	1	Covered	T11,T27,T21
1	0	Covered	T11,T21,T22
1	1	Covered	T11,T27,T21

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	T4,T5,T6
0	Covered	T4,T5,T6



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	T4,T5,T6
0	Covered	T4,T5,T6

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	8548505	905	0	0
SrcPulseCheck_M	1026056372	947	0	0

DstPulseCheck_A

Name	Attempts	Real Successes
Total	8548505	905
T11	3522	3
T12	505	0
T21	0	3
T22	0	2
T27	20062	1
T28	0	1
T34	0	1
T36	0	1
T60	441	0
T73	0	1
T74	0	3
T78	439	0
T79	403	0
T80	453	0
T81	495	0
T82	601	0
T83	3064	0
T86	0	1

SrcPulseCheck_M

Name	Attempts	Real Successes
Total	1026056372	947
T11	47466	3
T12	242367	0
T21	0	3
T22	0	2
T27	203927	1
T28	0	1
T34	0	1
T36	0	1
T60	108358	0
T73	0	1
T74	0	3
T78	210972	0
T79	92821	0
T80	54383	0
T81	74344	0
T82	282680	0
T83	306471	0
T86	0	1

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

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



30                        always_ff @(posedge clk_src_i or negedge rst_src_ni) begin
31         1/1              if (!rst_src_ni) begin
           Tests:       T4 T5 T6 
32         1/1                src_level <= 1'b0;
           Tests:       T4 T5 T6 
33                          end else begin
34         1/1                src_level <= src_level ^ src_pulse_i;
           Tests:       T4 T5 T6 
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:       T4 T5 T6 
90         1/1                dst_level_q <= 1'b0;
           Tests:       T4 T5 T6 
91                          end else begin
92         1/1                dst_level_q <= dst_level;
           Tests:       T4 T5 T6 
93                          end
94                        end
95                      
96                        // edge detection
97         1/1            assign dst_pulse_o = dst_level_q ^ dst_level;
           Tests:       T4 T5 T6

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	T4,T5,T6
0	1	Covered	T11,T27,T21
1	0	Covered	T11,T27,T21
1	1	Covered	T11,T21,T22

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

-1-	-2-	Status	Tests
0	0	Covered	T4,T5,T6
0	1	Covered	T11,T27,T21
1	0	Covered	T11,T21,T22
1	1	Covered	T11,T27,T21

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	T4,T5,T6
0	Covered	T4,T5,T6



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	T4,T5,T6
0	Covered	T4,T5,T6

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	1026056372	940	0	0
SrcPulseCheck_M	8548505	940	0	0

DstPulseCheck_A

Name	Attempts	Real Successes
Total	1026056372	940
T11	47466	3
T12	242367	0
T21	0	3
T22	0	2
T27	203927	1
T28	0	1
T34	0	1
T36	0	1
T60	108358	0
T73	0	1
T74	0	3
T78	210972	0
T79	92821	0
T80	54383	0
T81	74344	0
T82	282680	0
T83	306471	0
T86	0	1

SrcPulseCheck_M

Name	Attempts	Real Successes
Total	8548505	940
T11	3522	3
T12	505	0
T21	0	3
T22	0	2
T27	20062	1
T28	0	1
T34	0	1
T36	0	1
T60	441	0
T73	0	1
T74	0	3
T78	439	0
T79	403	0
T80	453	0
T81	495	0
T82	601	0
T83	3064	0
T86	0	1

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

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



30                        always_ff @(posedge clk_src_i or negedge rst_src_ni) begin
31         1/1              if (!rst_src_ni) begin
           Tests:       T4 T5 T6 
32         1/1                src_level <= 1'b0;
           Tests:       T4 T5 T6 
33                          end else begin
34         1/1                src_level <= src_level ^ src_pulse_i;
           Tests:       T4 T5 T6 
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:       T4 T5 T6 
90         1/1                dst_level_q <= 1'b0;
           Tests:       T4 T5 T6 
91                          end else begin
92         1/1                dst_level_q <= dst_level;
           Tests:       T4 T5 T6 
93                          end
94                        end
95                      
96                        // edge detection
97         1/1            assign dst_pulse_o = dst_level_q ^ dst_level;
           Tests:       T11 T27 T21

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	T4,T5,T6
0	1	Covered	T11,T27,T21
1	0	Covered	T11,T27,T21
1	1	Covered	T11,T21,T22

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

-1-	-2-	Status	Tests
0	0	Covered	T4,T5,T6
0	1	Covered	T11,T27,T21
1	0	Covered	T11,T21,T22
1	1	Covered	T11,T27,T21

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	T4,T5,T6
0	Covered	T4,T5,T6



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	T4,T5,T6
0	Covered	T4,T5,T6

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	8548505	892	0	0
SrcPulseCheck_M	1026056372	935	0	0

DstPulseCheck_A

Name	Attempts	Real Successes
Total	8548505	892
T11	3522	3
T12	505	0
T21	0	3
T22	0	2
T27	20062	1
T28	0	1
T34	0	1
T36	0	1
T60	441	0
T73	0	1
T74	0	3
T78	439	0
T79	403	0
T80	453	0
T81	495	0
T82	601	0
T83	3064	0
T86	0	1

SrcPulseCheck_M

Name	Attempts	Real Successes
Total	1026056372	935
T11	47466	3
T12	242367	0
T21	0	3
T22	0	2
T27	203927	1
T28	0	1
T34	0	1
T36	0	1
T60	108358	0
T73	0	1
T74	0	3
T78	210972	0
T79	92821	0
T80	54383	0
T81	74344	0
T82	282680	0
T83	306471	0
T86	0	1

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

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



30                        always_ff @(posedge clk_src_i or negedge rst_src_ni) begin
31         1/1              if (!rst_src_ni) begin
           Tests:       T4 T5 T6 
32         1/1                src_level <= 1'b0;
           Tests:       T4 T5 T6 
33                          end else begin
34         1/1                src_level <= src_level ^ src_pulse_i;
           Tests:       T4 T5 T6 
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:       T4 T5 T6 
90         1/1                dst_level_q <= 1'b0;
           Tests:       T4 T5 T6 
91                          end else begin
92         1/1                dst_level_q <= dst_level;
           Tests:       T4 T5 T6 
93                          end
94                        end
95                      
96                        // edge detection
97         1/1            assign dst_pulse_o = dst_level_q ^ dst_level;
           Tests:       T4 T5 T6

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	T4,T5,T6
0	1	Covered	T11,T27,T21
1	0	Covered	T11,T27,T21
1	1	Covered	T11,T21,T22

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

-1-	-2-	Status	Tests
0	0	Covered	T4,T5,T6
0	1	Covered	T11,T27,T21
1	0	Covered	T11,T21,T22
1	1	Covered	T11,T27,T21

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	T4,T5,T6
0	Covered	T4,T5,T6



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	T4,T5,T6
0	Covered	T4,T5,T6

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	1026056372	929	0	0
SrcPulseCheck_M	8548505	929	0	0

DstPulseCheck_A

Name	Attempts	Real Successes
Total	1026056372	929
T11	47466	3
T12	242367	0
T21	0	3
T22	0	2
T27	203927	1
T28	0	1
T34	0	1
T36	0	1
T60	108358	0
T73	0	1
T74	0	3
T78	210972	0
T79	92821	0
T80	54383	0
T81	74344	0
T82	282680	0
T83	306471	0
T86	0	1

SrcPulseCheck_M

Name	Attempts	Real Successes
Total	8548505	929
T11	3522	3
T12	505	0
T21	0	3
T22	0	2
T27	20062	1
T28	0	1
T34	0	1
T36	0	1
T60	441	0
T73	0	1
T74	0	3
T78	439	0
T79	403	0
T80	453	0
T81	495	0
T82	601	0
T83	3064	0
T86	0	1

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

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



30                        always_ff @(posedge clk_src_i or negedge rst_src_ni) begin
31         1/1              if (!rst_src_ni) begin
           Tests:       T4 T5 T6 
32         1/1                src_level <= 1'b0;
           Tests:       T4 T5 T6 
33                          end else begin
34         1/1                src_level <= src_level ^ src_pulse_i;
           Tests:       T4 T5 T6 
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:       T4 T5 T6 
90         1/1                dst_level_q <= 1'b0;
           Tests:       T4 T5 T6 
91                          end else begin
92         1/1                dst_level_q <= dst_level;
           Tests:       T4 T5 T6 
93                          end
94                        end
95                      
96                        // edge detection
97         1/1            assign dst_pulse_o = dst_level_q ^ dst_level;
           Tests:       T11 T21 T28

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	T4,T5,T6
0	1	Covered	T11,T21,T28
1	0	Covered	T11,T21,T28
1	1	Covered	T11,T21,T34

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

-1-	-2-	Status	Tests
0	0	Covered	T4,T5,T6
0	1	Covered	T11,T21,T28
1	0	Covered	T11,T21,T34
1	1	Covered	T11,T21,T28

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	T4,T5,T6
0	Covered	T4,T5,T6



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	T4,T5,T6
0	Covered	T4,T5,T6

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	8548505	898	0	0
SrcPulseCheck_M	1026056372	939	0	0

DstPulseCheck_A

Name	Attempts	Real Successes
Total	8548505	898
T11	3522	2
T12	505	0
T21	0	2
T22	0	4
T27	20062	0
T28	0	1
T34	0	4
T36	0	4
T60	441	0
T73	0	2
T74	0	2
T75	0	2
T76	0	2
T78	439	0
T79	403	0
T80	453	0
T81	495	0
T82	601	0
T83	3064	0

SrcPulseCheck_M

Name	Attempts	Real Successes
Total	1026056372	939
T11	47466	2
T12	242367	0
T21	0	2
T22	0	4
T27	203927	0
T28	0	1
T34	0	4
T36	0	4
T60	108358	0
T73	0	2
T74	0	2
T75	0	2
T76	0	2
T78	210972	0
T79	92821	0
T80	54383	0
T81	74344	0
T82	282680	0
T83	306471	0

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:       T4 T5 T6 
32         1/1                src_level <= 1'b0;
           Tests:       T4 T5 T6 
33                          end else begin
34         1/1                src_level <= src_level ^ src_pulse_i;
           Tests:       T4 T5 T6 
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:       T4 T5 T6 
90         1/1                dst_level_q <= 1'b0;
           Tests:       T4 T5 T6 
91                          end else begin
92         1/1                dst_level_q <= dst_level;
           Tests:       T4 T5 T6 
93                          end
94                        end
95                      
96                        // edge detection
97         1/1            assign dst_pulse_o = dst_level_q ^ dst_level;
           Tests:       T4 T5 T6

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	T4,T5,T6
0	1	Covered	T11,T21,T28
1	0	Covered	T11,T21,T28
1	1	Covered	T11,T21,T34

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

-1-	-2-	Status	Tests
0	0	Covered	T4,T5,T6
0	1	Covered	T11,T21,T28
1	0	Covered	T11,T21,T34
1	1	Covered	T11,T21,T28

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	T4,T5,T6
0	Covered	T4,T5,T6



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	T4,T5,T6
0	Covered	T4,T5,T6

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	1026056372	933	0	0
SrcPulseCheck_M	8548505	933	0	0

DstPulseCheck_A

Name	Attempts	Real Successes
Total	1026056372	933
T11	47466	2
T12	242367	0
T21	0	2
T22	0	4
T27	203927	0
T28	0	1
T34	0	4
T36	0	4
T60	108358	0
T73	0	2
T74	0	2
T75	0	2
T76	0	2
T78	210972	0
T79	92821	0
T80	54383	0
T81	74344	0
T82	282680	0
T83	306471	0

SrcPulseCheck_M

Name	Attempts	Real Successes
Total	8548505	933
T11	3522	2
T12	505	0
T21	0	2
T22	0	4
T27	20062	0
T28	0	1
T34	0	4
T36	0	4
T60	441	0
T73	0	2
T74	0	2
T75	0	2
T76	0	2
T78	439	0
T79	403	0
T80	453	0
T81	495	0
T82	601	0
T83	3064	0

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:       T4 T5 T6 
32         1/1                src_level <= 1'b0;
           Tests:       T4 T5 T6 
33                          end else begin
34         1/1                src_level <= src_level ^ src_pulse_i;
           Tests:       T4 T5 T6 
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:       T4 T5 T6 
90         1/1                dst_level_q <= 1'b0;
           Tests:       T4 T5 T6 
91                          end else begin
92         1/1                dst_level_q <= dst_level;
           Tests:       T4 T5 T6 
93                          end
94                        end
95                      
96                        // edge detection
97         1/1            assign dst_pulse_o = dst_level_q ^ dst_level;
           Tests:       T11 T21 T22

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	T4,T5,T6
0	1	Covered	T11,T21,T22
1	0	Covered	T11,T21,T22
1	1	Covered	T22,T77,T47

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

-1-	-2-	Status	Tests
0	0	Covered	T4,T5,T6
0	1	Covered	T11,T21,T22
1	0	Covered	T22,T77,T47
1	1	Covered	T11,T21,T22

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	T4,T5,T6
0	Covered	T4,T5,T6



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	T4,T5,T6
0	Covered	T4,T5,T6

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	8548505	1065	0	0
SrcPulseCheck_M	1026056372	1104	0	0

DstPulseCheck_A

Name	Attempts	Real Successes
Total	8548505	1065
T11	3522	1
T12	505	0
T21	0	1
T22	0	2
T27	20062	0
T46	0	2
T49	0	1
T60	441	0
T73	0	1
T74	0	1
T75	0	1
T76	0	1
T77	0	2
T78	439	0
T79	403	0
T80	453	0
T81	495	0
T82	601	0
T83	3064	0

SrcPulseCheck_M

Name	Attempts	Real Successes
Total	1026056372	1104
T11	47466	1
T12	242367	0
T21	0	1
T22	0	2
T27	203927	0
T46	0	2
T49	0	1
T60	108358	0
T73	0	1
T74	0	1
T75	0	1
T76	0	1
T77	0	2
T78	210972	0
T79	92821	0
T80	54383	0
T81	74344	0
T82	282680	0
T83	306471	0

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:       T4 T5 T6 
32         1/1                src_level <= 1'b0;
           Tests:       T4 T5 T6 
33                          end else begin
34         1/1                src_level <= src_level ^ src_pulse_i;
           Tests:       T4 T5 T6 
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:       T4 T5 T6 
90         1/1                dst_level_q <= 1'b0;
           Tests:       T4 T5 T6 
91                          end else begin
92         1/1                dst_level_q <= dst_level;
           Tests:       T4 T5 T6 
93                          end
94                        end
95                      
96                        // edge detection
97         1/1            assign dst_pulse_o = dst_level_q ^ dst_level;
           Tests:       T4 T29 T30

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	T4,T5,T6
0	1	Covered	T4,T29,T30
1	0	Covered	T4,T29,T30
1	1	Covered	T4,T29,T30

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

-1-	-2-	Status	Tests
0	0	Covered	T4,T5,T6
0	1	Covered	T4,T29,T30
1	0	Covered	T4,T29,T30
1	1	Covered	T4,T29,T30

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	T4,T5,T6
0	Covered	T4,T5,T6



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	T4,T5,T6
0	Covered	T4,T5,T6

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	8548505	2052	0	0
SrcPulseCheck_M	1026056372	2086	0	0

DstPulseCheck_A

Name	Attempts	Real Successes
Total	8548505	2052
T1	509	0
T2	655	0
T4	497	20
T5	415	0
T6	423	0
T14	424	0
T15	443	0
T16	501	0
T17	475	0
T23	756	0
T29	0	20
T30	0	20
T71	0	20
T81	0	20
T83	0	20
T87	0	20
T88	0	20
T89	0	20
T90	0	20

SrcPulseCheck_M

Name	Attempts	Real Successes
Total	1026056372	2086
T1	249622	0
T2	160572	0
T4	124346	20
T5	66507	0
T6	101582	0
T14	53100	0
T15	217292	0
T16	251188	0
T17	54679	0
T23	90850	0
T29	0	20
T30	0	20
T71	0	20
T81	0	20
T83	0	20
T87	0	20
T88	0	20
T89	0	20
T90	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:       T4 T5 T6 
32         1/1                src_level <= 1'b0;
           Tests:       T4 T5 T6 
33                          end else begin
34         1/1                src_level <= src_level ^ src_pulse_i;
           Tests:       T4 T5 T6 
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:       T4 T5 T6 
90         1/1                dst_level_q <= 1'b0;
           Tests:       T4 T5 T6 
91                          end else begin
92         1/1                dst_level_q <= dst_level;
           Tests:       T4 T5 T6 
93                          end
94                        end
95                      
96                        // edge detection
97         1/1            assign dst_pulse_o = dst_level_q ^ dst_level;
           Tests:       T4 T5 T6

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	T4,T5,T6
0	1	Covered	T4,T29,T30
1	0	Covered	T4,T29,T30
1	1	Covered	T4,T29,T30

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

-1-	-2-	Status	Tests
0	0	Covered	T4,T5,T6
0	1	Covered	T4,T29,T30
1	0	Covered	T4,T29,T30
1	1	Covered	T4,T29,T30

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	T4,T5,T6
0	Covered	T4,T5,T6



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	T4,T5,T6
0	Covered	T4,T5,T6

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	1026056372	2081	0	0
SrcPulseCheck_M	8548505	2081	0	0

DstPulseCheck_A

Name	Attempts	Real Successes
Total	1026056372	2081
T1	249622	0
T2	160572	0
T4	124346	20
T5	66507	0
T6	101582	0
T14	53100	0
T15	217292	0
T16	251188	0
T17	54679	0
T23	90850	0
T29	0	20
T30	0	20
T71	0	20
T81	0	20
T83	0	20
T87	0	20
T88	0	20
T89	0	20
T90	0	20

SrcPulseCheck_M

Name	Attempts	Real Successes
Total	8548505	2081
T1	509	0
T2	655	0
T4	497	20
T5	415	0
T6	423	0
T14	424	0
T15	443	0
T16	501	0
T17	475	0
T23	756	0
T29	0	20
T30	0	20
T71	0	20
T81	0	20
T83	0	20
T87	0	20
T88	0	20
T89	0	20
T90	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:       T4 T5 T6 
32         1/1                src_level <= 1'b0;
           Tests:       T4 T5 T6 
33                          end else begin
34         1/1                src_level <= src_level ^ src_pulse_i;
           Tests:       T4 T5 T6 
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:       T4 T5 T6 
90         1/1                dst_level_q <= 1'b0;
           Tests:       T4 T5 T6 
91                          end else begin
92         1/1                dst_level_q <= dst_level;
           Tests:       T4 T5 T6 
93                          end
94                        end
95                      
96                        // edge detection
97         1/1            assign dst_pulse_o = dst_level_q ^ dst_level;
           Tests:       T4 T16 T18

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	T4,T5,T6
0	1	Covered	T4,T16,T18
1	0	Covered	T4,T16,T18
1	1	Covered	T16,T18,T31

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

-1-	-2-	Status	Tests
0	0	Covered	T4,T5,T6
0	1	Covered	T4,T16,T18
1	0	Covered	T16,T18,T31
1	1	Covered	T4,T16,T18

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	T4,T5,T6
0	Covered	T4,T5,T6



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	T4,T5,T6
0	Covered	T4,T5,T6

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	8548505	4111	0	0
SrcPulseCheck_M	1026056372	4153	0	0

DstPulseCheck_A

Name	Attempts	Real Successes
Total	8548505	4111
T1	509	0
T2	655	0
T4	497	1
T5	415	0
T6	423	0
T10	0	20
T14	424	0
T15	443	0
T16	501	20
T17	475	0
T18	0	20
T23	756	0
T29	0	1
T30	0	1
T31	0	20
T69	0	20
T81	0	1
T91	0	20

SrcPulseCheck_M

Name	Attempts	Real Successes
Total	1026056372	4153
T1	249622	0
T2	160572	0
T4	124346	1
T5	66507	0
T6	101582	0
T10	0	20
T14	53100	0
T15	217292	0
T16	251188	20
T17	54679	0
T18	0	20
T23	90850	0
T29	0	1
T30	0	1
T31	0	20
T69	0	20
T81	0	1
T91	0	20

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

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



30                        always_ff @(posedge clk_src_i or negedge rst_src_ni) begin
31         1/1              if (!rst_src_ni) begin
           Tests:       T4 T5 T6 
32         1/1                src_level <= 1'b0;
           Tests:       T4 T5 T6 
33                          end else begin
34         1/1                src_level <= src_level ^ src_pulse_i;
           Tests:       T4 T5 T6 
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:       T4 T5 T6 
90         1/1                dst_level_q <= 1'b0;
           Tests:       T4 T5 T6 
91                          end else begin
92         1/1                dst_level_q <= dst_level;
           Tests:       T4 T5 T6 
93                          end
94                        end
95                      
96                        // edge detection
97         1/1            assign dst_pulse_o = dst_level_q ^ dst_level;
           Tests:       T4 T5 T6

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	T4,T5,T6
0	1	Covered	T4,T16,T18
1	0	Covered	T4,T16,T18
1	1	Covered	T16,T18,T31

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

-1-	-2-	Status	Tests
0	0	Covered	T4,T5,T6
0	1	Covered	T4,T16,T18
1	0	Covered	T16,T18,T31
1	1	Covered	T4,T16,T18

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	T4,T5,T6
0	Covered	T4,T5,T6



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	T4,T5,T6
0	Covered	T4,T5,T6

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	1026056372	4145	0	0
SrcPulseCheck_M	8548505	4145	0	0

DstPulseCheck_A

Name	Attempts	Real Successes
Total	1026056372	4145
T1	249622	0
T2	160572	0
T4	124346	1
T5	66507	0
T6	101582	0
T10	0	20
T14	53100	0
T15	217292	0
T16	251188	20
T17	54679	0
T18	0	20
T23	90850	0
T29	0	1
T30	0	1
T31	0	20
T69	0	20
T81	0	1
T91	0	20

SrcPulseCheck_M

Name	Attempts	Real Successes
Total	8548505	4145
T1	509	0
T2	655	0
T4	497	1
T5	415	0
T6	423	0
T10	0	20
T14	424	0
T15	443	0
T16	501	20
T17	475	0
T18	0	20
T23	756	0
T29	0	1
T30	0	1
T31	0	20
T69	0	20
T81	0	1
T91	0	20

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

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



30                        always_ff @(posedge clk_src_i or negedge rst_src_ni) begin
31         1/1              if (!rst_src_ni) begin
           Tests:       T4 T5 T6 
32         1/1                src_level <= 1'b0;
           Tests:       T4 T5 T6 
33                          end else begin
34         1/1                src_level <= src_level ^ src_pulse_i;
           Tests:       T4 T5 T6 
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:       T4 T5 T6 
90         1/1                dst_level_q <= 1'b0;
           Tests:       T4 T5 T6 
91                          end else begin
92         1/1                dst_level_q <= dst_level;
           Tests:       T4 T5 T6 
93                          end
94                        end
95                      
96                        // edge detection
97         1/1            assign dst_pulse_o = dst_level_q ^ dst_level;
           Tests:       T4 T1 T15

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	T4,T5,T6
0	1	Covered	T4,T1,T15
1	0	Covered	T4,T1,T15
1	1	Covered	T16,T18,T31

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

-1-	-2-	Status	Tests
0	0	Covered	T4,T5,T6
0	1	Covered	T4,T1,T15
1	0	Covered	T16,T18,T31
1	1	Covered	T4,T1,T15

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	T4,T5,T6
0	Covered	T4,T5,T6



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	T4,T5,T6
0	Covered	T4,T5,T6

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	8548505	5074	0	0
SrcPulseCheck_M	1026056372	5114	0	0

DstPulseCheck_A

Name	Attempts	Real Successes
Total	8548505	5074
T1	509	1
T2	655	0
T3	0	1
T4	497	1
T5	415	0
T6	423	0
T14	424	0
T15	443	1
T16	501	20
T17	475	1
T18	0	20
T19	0	1
T23	756	0
T29	0	1
T31	0	20

SrcPulseCheck_M

Name	Attempts	Real Successes
Total	1026056372	5114
T1	249622	1
T2	160572	0
T3	0	1
T4	124346	1
T5	66507	0
T6	101582	0
T14	53100	0
T15	217292	1
T16	251188	20
T17	54679	1
T18	0	20
T19	0	1
T23	90850	0
T29	0	1
T31	0	20

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

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



30                        always_ff @(posedge clk_src_i or negedge rst_src_ni) begin
31         1/1              if (!rst_src_ni) begin
           Tests:       T4 T5 T6 
32         1/1                src_level <= 1'b0;
           Tests:       T4 T5 T6 
33                          end else begin
34         1/1                src_level <= src_level ^ src_pulse_i;
           Tests:       T4 T5 T6 
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:       T4 T5 T6 
90         1/1                dst_level_q <= 1'b0;
           Tests:       T4 T5 T6 
91                          end else begin
92         1/1                dst_level_q <= dst_level;
           Tests:       T4 T5 T6 
93                          end
94                        end
95                      
96                        // edge detection
97         1/1            assign dst_pulse_o = dst_level_q ^ dst_level;
           Tests:       T4 T5 T6

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	T4,T5,T6
0	1	Covered	T4,T1,T15
1	0	Covered	T4,T1,T15
1	1	Covered	T16,T18,T31

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

-1-	-2-	Status	Tests
0	0	Covered	T4,T5,T6
0	1	Covered	T4,T1,T15
1	0	Covered	T16,T18,T31
1	1	Covered	T4,T1,T15

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	T4,T5,T6
0	Covered	T4,T5,T6



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	T4,T5,T6
0	Covered	T4,T5,T6

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	1026056372	5105	0	0
SrcPulseCheck_M	8548505	5105	0	0

DstPulseCheck_A

Name	Attempts	Real Successes
Total	1026056372	5105
T1	249622	1
T2	160572	0
T3	0	1
T4	124346	1
T5	66507	0
T6	101582	0
T14	53100	0
T15	217292	1
T16	251188	20
T17	54679	1
T18	0	20
T19	0	1
T23	90850	0
T29	0	1
T31	0	20

SrcPulseCheck_M

Name	Attempts	Real Successes
Total	8548505	5105
T1	509	1
T2	655	0
T3	0	1
T4	497	1
T5	415	0
T6	423	0
T14	424	0
T15	443	1
T16	501	20
T17	475	1
T18	0	20
T19	0	1
T23	756	0
T29	0	1
T31	0	20

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

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



30                        always_ff @(posedge clk_src_i or negedge rst_src_ni) begin
31         1/1              if (!rst_src_ni) begin
           Tests:       T4 T5 T6 
32         1/1                src_level <= 1'b0;
           Tests:       T4 T5 T6 
33                          end else begin
34         1/1                src_level <= src_level ^ src_pulse_i;
           Tests:       T4 T5 T6 
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:       T4 T5 T6 
90         1/1                dst_level_q <= 1'b0;
           Tests:       T4 T5 T6 
91                          end else begin
92         1/1                dst_level_q <= dst_level;
           Tests:       T4 T5 T6 
93                          end
94                        end
95                      
96                        // edge detection
97         1/1            assign dst_pulse_o = dst_level_q ^ dst_level;
           Tests:       T16 T18 T31

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	T4,T5,T6
0	1	Covered	T16,T18,T31
1	0	Covered	T16,T18,T31
1	1	Covered	T16,T18,T31

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

-1-	-2-	Status	Tests
0	0	Covered	T4,T5,T6
0	1	Covered	T16,T18,T31
1	0	Covered	T16,T18,T31
1	1	Covered	T16,T18,T31

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	T4,T5,T6
0	Covered	T4,T5,T6



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	T4,T5,T6
0	Covered	T4,T5,T6

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	8548505	4043	0	0
SrcPulseCheck_M	1026056372	4087	0	0

DstPulseCheck_A

Name	Attempts	Real Successes
Total	8548505	4043
T2	655	0
T3	478	0
T7	711	0
T10	0	20
T16	501	20
T17	475	0
T18	522	20
T19	2161	0
T20	402	0
T29	489	0
T31	524	20
T69	0	20
T83	0	20
T87	0	20
T91	0	20
T92	0	20
T93	0	20

SrcPulseCheck_M

Name	Attempts	Real Successes
Total	1026056372	4087
T2	160572	0
T3	117341	0
T7	88902	0
T10	0	20
T16	251188	20
T17	54679	0
T18	219434	20
T19	259324	0
T20	138841	0
T29	237027	0
T31	76048	20
T69	0	20
T83	0	20
T87	0	20
T91	0	20
T92	0	20
T93	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:       T4 T5 T6 
32         1/1                src_level <= 1'b0;
           Tests:       T4 T5 T6 
33                          end else begin
34         1/1                src_level <= src_level ^ src_pulse_i;
           Tests:       T4 T5 T6 
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:       T4 T5 T6 
90         1/1                dst_level_q <= 1'b0;
           Tests:       T4 T5 T6 
91                          end else begin
92         1/1                dst_level_q <= dst_level;
           Tests:       T4 T5 T6 
93                          end
94                        end
95                      
96                        // edge detection
97         1/1            assign dst_pulse_o = dst_level_q ^ dst_level;
           Tests:       T4 T5 T6

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	T4,T5,T6
0	1	Covered	T16,T18,T31
1	0	Covered	T16,T18,T31
1	1	Covered	T16,T18,T31

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

-1-	-2-	Status	Tests
0	0	Covered	T4,T5,T6
0	1	Covered	T16,T18,T31
1	0	Covered	T16,T18,T31
1	1	Covered	T16,T18,T31

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	T4,T5,T6
0	Covered	T4,T5,T6



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	T4,T5,T6
0	Covered	T4,T5,T6

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	1026056372	4077	0	0
SrcPulseCheck_M	8548505	4077	0	0

DstPulseCheck_A

Name	Attempts	Real Successes
Total	1026056372	4077
T2	160572	0
T3	117341	0
T7	88902	0
T10	0	20
T16	251188	20
T17	54679	0
T18	219434	20
T19	259324	0
T20	138841	0
T29	237027	0
T31	76048	20
T69	0	20
T83	0	20
T87	0	20
T91	0	20
T92	0	20
T93	0	20

SrcPulseCheck_M

Name	Attempts	Real Successes
Total	8548505	4077
T2	655	0
T3	478	0
T7	711	0
T10	0	20
T16	501	20
T17	475	0
T18	522	20
T19	2161	0
T20	402	0
T29	489	0
T31	524	20
T69	0	20
T83	0	20
T87	0	20
T91	0	20
T92	0	20
T93	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:       T4 T5 T6 
32         1/1                src_level <= 1'b0;
           Tests:       T4 T5 T6 
33                          end else begin
34         1/1                src_level <= src_level ^ src_pulse_i;
           Tests:       T4 T5 T6 
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:       T4 T5 T6 
90         1/1                dst_level_q <= 1'b0;
           Tests:       T4 T5 T6 
91                          end else begin
92         1/1                dst_level_q <= dst_level;
           Tests:       T4 T5 T6 
93                          end
94                        end
95                      
96                        // edge detection
97         1/1            assign dst_pulse_o = dst_level_q ^ dst_level;
           Tests:       T2 T7 T8

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	T4,T5,T6
0	1	Covered	T2,T7,T8
1	0	Covered	T2,T7,T8
1	1	Covered	T34,T36,T41

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

-1-	-2-	Status	Tests
0	0	Covered	T4,T5,T6
0	1	Covered	T2,T7,T8
1	0	Covered	T34,T36,T41
1	1	Covered	T2,T7,T8

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	T4,T5,T6
0	Covered	T4,T5,T6



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	T4,T5,T6
0	Covered	T4,T5,T6

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	8548505	901	0	0
SrcPulseCheck_M	1026056372	938	0	0

DstPulseCheck_A

Name	Attempts	Real Successes
Total	8548505	901
T2	655	1
T3	478	0
T7	711	1
T8	0	1
T13	0	1
T17	475	0
T18	522	0
T19	2161	0
T20	402	0
T29	489	0
T31	524	0
T34	0	28
T36	0	28
T50	0	1
T51	0	1
T52	0	1
T68	407	0
T94	0	1

SrcPulseCheck_M

Name	Attempts	Real Successes
Total	1026056372	938
T2	160572	1
T3	117341	0
T7	88902	1
T8	0	1
T13	0	1
T17	54679	0
T18	219434	0
T19	259324	0
T20	138841	0
T29	237027	0
T31	76048	0
T34	0	28
T36	0	28
T50	0	1
T51	0	1
T52	0	1
T68	199243	0
T94	0	1

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:       T4 T5 T6 
32         1/1                src_level <= 1'b0;
           Tests:       T4 T5 T6 
33                          end else begin
34         1/1                src_level <= src_level ^ src_pulse_i;
           Tests:       T4 T5 T6 
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:       T4 T5 T6 
90         1/1                dst_level_q <= 1'b0;
           Tests:       T4 T5 T6 
91                          end else begin
92         1/1                dst_level_q <= dst_level;
           Tests:       T4 T5 T6 
93                          end
94                        end
95                      
96                        // edge detection
97         1/1            assign dst_pulse_o = dst_level_q ^ dst_level;
           Tests:       T4 T5 T6

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	T4,T5,T6
0	1	Covered	T2,T7,T8
1	0	Covered	T2,T7,T8
1	1	Covered	T34,T36,T41

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

-1-	-2-	Status	Tests
0	0	Covered	T4,T5,T6
0	1	Covered	T2,T7,T8
1	0	Covered	T34,T36,T41
1	1	Covered	T2,T7,T8

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	T4,T5,T6
0	Covered	T4,T5,T6



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	T4,T5,T6
0	Covered	T4,T5,T6

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	1026056372	931	0	0
SrcPulseCheck_M	8548505	931	0	0

DstPulseCheck_A

Name	Attempts	Real Successes
Total	1026056372	931
T2	160572	1
T3	117341	0
T7	88902	1
T8	0	1
T13	0	1
T17	54679	0
T18	219434	0
T19	259324	0
T20	138841	0
T29	237027	0
T31	76048	0
T34	0	28
T36	0	28
T50	0	1
T51	0	1
T52	0	1
T68	199243	0
T94	0	1

SrcPulseCheck_M

Name	Attempts	Real Successes
Total	8548505	931
T2	655	1
T3	478	0
T7	711	1
T8	0	1
T13	0	1
T17	475	0
T18	522	0
T19	2161	0
T20	402	0
T29	489	0
T31	524	0
T34	0	28
T36	0	28
T50	0	1
T51	0	1
T52	0	1
T68	407	0
T94	0	1

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:       T4 T5 T6 
32         1/1                src_level <= 1'b0;
           Tests:       T4 T5 T6 
33                          end else begin
34         1/1                src_level <= src_level ^ src_pulse_i;
           Tests:       T4 T5 T6 
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:       T4 T5 T6 
90         1/1                dst_level_q <= 1'b0;
           Tests:       T4 T5 T6 
91                          end else begin
92         1/1                dst_level_q <= dst_level;
           Tests:       T4 T5 T6 
93                          end
94                        end
95                      
96                        // edge detection
97         1/1            assign dst_pulse_o = dst_level_q ^ dst_level;
           Tests:       T1 T15 T2

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	T4,T5,T6
0	1	Covered	T1,T15,T2
1	0	Covered	T1,T15,T2
1	1	Covered	T34,T36,T41

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

-1-	-2-	Status	Tests
0	0	Covered	T4,T5,T6
0	1	Covered	T1,T15,T2
1	0	Covered	T34,T36,T41
1	1	Covered	T1,T15,T2

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	T4,T5,T6
0	Covered	T4,T5,T6



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	T4,T5,T6
0	Covered	T4,T5,T6

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	8548505	1759	0	0
SrcPulseCheck_M	1026056372	1793	0	0

DstPulseCheck_A

Name	Attempts	Real Successes
Total	8548505	1759
T1	509	1
T2	655	1
T3	478	1
T7	0	1
T8	0	1
T9	0	1
T10	0	1
T12	0	1
T14	424	0
T15	443	1
T16	501	0
T17	475	1
T18	522	0
T19	2161	0
T20	402	0

SrcPulseCheck_M

Name	Attempts	Real Successes
Total	1026056372	1793
T1	249622	1
T2	160572	1
T3	117341	1
T7	0	1
T8	0	1
T9	0	1
T10	0	1
T12	0	1
T14	53100	0
T15	217292	1
T16	251188	0
T17	54679	1
T18	219434	0
T19	259324	0
T20	138841	0

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:       T4 T5 T6 
32         1/1                src_level <= 1'b0;
           Tests:       T4 T5 T6 
33                          end else begin
34         1/1                src_level <= src_level ^ src_pulse_i;
           Tests:       T4 T5 T6 
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:       T4 T5 T6 
90         1/1                dst_level_q <= 1'b0;
           Tests:       T4 T5 T6 
91                          end else begin
92         1/1                dst_level_q <= dst_level;
           Tests:       T4 T5 T6 
93                          end
94                        end
95                      
96                        // edge detection
97         1/1            assign dst_pulse_o = dst_level_q ^ dst_level;
           Tests:       T4 T5 T6

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	T4,T5,T6
0	1	Covered	T1,T15,T2
1	0	Covered	T1,T15,T2
1	1	Covered	T34,T36,T41

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

-1-	-2-	Status	Tests
0	0	Covered	T4,T5,T6
0	1	Covered	T1,T15,T2
1	0	Covered	T34,T36,T41
1	1	Covered	T1,T15,T2

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	T4,T5,T6
0	Covered	T4,T5,T6



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	T4,T5,T6
0	Covered	T4,T5,T6

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	1026056372	1786	0	0
SrcPulseCheck_M	8548505	1786	0	0

DstPulseCheck_A

Name	Attempts	Real Successes
Total	1026056372	1786
T1	249622	1
T2	160572	1
T3	117341	1
T7	0	1
T8	0	1
T9	0	1
T10	0	1
T12	0	1
T14	53100	0
T15	217292	1
T16	251188	0
T17	54679	1
T18	219434	0
T19	259324	0
T20	138841	0

SrcPulseCheck_M

Name	Attempts	Real Successes
Total	8548505	1786
T1	509	1
T2	655	1
T3	478	1
T7	0	1
T8	0	1
T9	0	1
T10	0	1
T12	0	1
T14	424	0
T15	443	1
T16	501	0
T17	475	1
T18	522	0
T19	2161	0
T20	402	0

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:       T4 T5 T6 
32         1/1                src_level <= 1'b0;
           Tests:       T4 T5 T6 
33                          end else begin
34         1/1                src_level <= src_level ^ src_pulse_i;
           Tests:       T4 T5 T6 
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:       T4 T5 T6 
90         1/1                dst_level_q <= 1'b0;
           Tests:       T4 T5 T6 
91                          end else begin
92         1/1                dst_level_q <= dst_level;
           Tests:       T4 T5 T6 
93                          end
94                        end
95                      
96                        // edge detection
97         1/1            assign dst_pulse_o = dst_level_q ^ dst_level;
           Tests:       T19 T32 T33

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	T4,T5,T6
0	1	Covered	T19,T32,T33
1	0	Covered	T19,T32,T33
1	1	Covered	T19,T32,T33

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

-1-	-2-	Status	Tests
0	0	Covered	T4,T5,T6
0	1	Covered	T19,T32,T33
1	0	Covered	T19,T32,T33
1	1	Covered	T19,T32,T33

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	T4,T5,T6
0	Covered	T4,T5,T6



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	T4,T5,T6
0	Covered	T4,T5,T6

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	8548505	1092	0	0
SrcPulseCheck_M	1026056372	1131	0	0

DstPulseCheck_A

Name	Attempts	Real Successes
Total	8548505	1092
T7	711	0
T8	590	0
T19	2161	3
T20	402	0
T29	489	0
T30	505	0
T31	524	0
T32	0	5
T33	0	5
T34	0	2
T36	0	2
T63	0	5
T64	0	3
T65	0	6
T66	0	4
T67	0	5
T68	407	0
T69	502	0
T70	404	0

SrcPulseCheck_M

Name	Attempts	Real Successes
Total	1026056372	1131
T7	88902	0
T8	13681	0
T19	259324	3
T20	138841	0
T29	237027	0
T30	20213	0
T31	76048	0
T32	0	5
T33	0	5
T34	0	2
T36	0	2
T63	0	5
T64	0	3
T65	0	6
T66	0	4
T67	0	5
T68	199243	0
T69	248990	0
T70	101088	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:       T4 T5 T6 
32         1/1                src_level <= 1'b0;
           Tests:       T4 T5 T6 
33                          end else begin
34         1/1                src_level <= src_level ^ src_pulse_i;
           Tests:       T4 T5 T6 
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:       T4 T5 T6 
90         1/1                dst_level_q <= 1'b0;
           Tests:       T4 T5 T6 
91                          end else begin
92         1/1                dst_level_q <= dst_level;
           Tests:       T4 T5 T6 
93                          end
94                        end
95                      
96                        // edge detection
97         1/1            assign dst_pulse_o = dst_level_q ^ dst_level;
           Tests:       T4 T5 T6

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	T4,T5,T6
0	1	Covered	T19,T32,T33
1	0	Covered	T19,T32,T33
1	1	Covered	T19,T32,T33

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

-1-	-2-	Status	Tests
0	0	Covered	T4,T5,T6
0	1	Covered	T19,T32,T33
1	0	Covered	T19,T32,T33
1	1	Covered	T19,T32,T33

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	T4,T5,T6
0	Covered	T4,T5,T6



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	T4,T5,T6
0	Covered	T4,T5,T6

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	1026056372	1125	0	0
SrcPulseCheck_M	8548505	1125	0	0

DstPulseCheck_A

Name	Attempts	Real Successes
Total	1026056372	1125
T7	88902	0
T8	13681	0
T19	259324	3
T20	138841	0
T29	237027	0
T30	20213	0
T31	76048	0
T32	0	5
T33	0	5
T34	0	2
T36	0	2
T63	0	5
T64	0	3
T65	0	6
T66	0	4
T67	0	5
T68	199243	0
T69	248990	0
T70	101088	0

SrcPulseCheck_M

Name	Attempts	Real Successes
Total	8548505	1125
T7	711	0
T8	590	0
T19	2161	3
T20	402	0
T29	489	0
T30	505	0
T31	524	0
T32	0	5
T33	0	5
T34	0	2
T36	0	2
T63	0	5
T64	0	3
T65	0	6
T66	0	4
T67	0	5
T68	407	0
T69	502	0
T70	404	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:       T4 T5 T6 
32         1/1                src_level <= 1'b0;
           Tests:       T4 T5 T6 
33                          end else begin
34         1/1                src_level <= src_level ^ src_pulse_i;
           Tests:       T4 T5 T6 
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:       T4 T5 T6 
90         1/1                dst_level_q <= 1'b0;
           Tests:       T4 T5 T6 
91                          end else begin
92         1/1                dst_level_q <= dst_level;
           Tests:       T4 T5 T6 
93                          end
94                        end
95                      
96                        // edge detection
97         1/1            assign dst_pulse_o = dst_level_q ^ dst_level;
           Tests:       T19 T32 T33

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	T4,T5,T6
0	1	Covered	T19,T32,T33
1	0	Covered	T19,T32,T33
1	1	Covered	T19,T32,T33

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

-1-	-2-	Status	Tests
0	0	Covered	T4,T5,T6
0	1	Covered	T19,T32,T33
1	0	Covered	T19,T32,T33
1	1	Covered	T19,T32,T33

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	T4,T5,T6
0	Covered	T4,T5,T6



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	T4,T5,T6
0	Covered	T4,T5,T6

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	8548505	1003	0	0
SrcPulseCheck_M	1026056372	1039	0	0

DstPulseCheck_A

Name	Attempts	Real Successes
Total	8548505	1003
T7	711	0
T8	590	0
T19	2161	3
T20	402	0
T29	489	0
T30	505	0
T31	524	0
T32	0	3
T33	0	3
T34	0	1
T36	0	1
T63	0	3
T64	0	3
T65	0	3
T66	0	3
T67	0	3
T68	407	0
T69	502	0
T70	404	0

SrcPulseCheck_M

Name	Attempts	Real Successes
Total	1026056372	1039
T7	88902	0
T8	13681	0
T19	259324	3
T20	138841	0
T29	237027	0
T30	20213	0
T31	76048	0
T32	0	3
T33	0	3
T34	0	1
T36	0	1
T63	0	3
T64	0	3
T65	0	3
T66	0	3
T67	0	3
T68	199243	0
T69	248990	0
T70	101088	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:       T4 T5 T6 
32         1/1                src_level <= 1'b0;
           Tests:       T4 T5 T6 
33                          end else begin
34         1/1                src_level <= src_level ^ src_pulse_i;
           Tests:       T4 T5 T6 
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:       T4 T5 T6 
90         1/1                dst_level_q <= 1'b0;
           Tests:       T4 T5 T6 
91                          end else begin
92         1/1                dst_level_q <= dst_level;
           Tests:       T4 T5 T6 
93                          end
94                        end
95                      
96                        // edge detection
97         1/1            assign dst_pulse_o = dst_level_q ^ dst_level;
           Tests:       T4 T5 T6

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	T4,T5,T6
0	1	Covered	T19,T32,T33
1	0	Covered	T19,T32,T33
1	1	Covered	T19,T32,T33

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

-1-	-2-	Status	Tests
0	0	Covered	T4,T5,T6
0	1	Covered	T19,T32,T33
1	0	Covered	T19,T32,T33
1	1	Covered	T19,T32,T33

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	T4,T5,T6
0	Covered	T4,T5,T6



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	T4,T5,T6
0	Covered	T4,T5,T6

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	1026056372	1034	0	0
SrcPulseCheck_M	8548505	1034	0	0

DstPulseCheck_A

Name	Attempts	Real Successes
Total	1026056372	1034
T7	88902	0
T8	13681	0
T19	259324	3
T20	138841	0
T29	237027	0
T30	20213	0
T31	76048	0
T32	0	3
T33	0	3
T34	0	1
T36	0	1
T63	0	3
T64	0	3
T65	0	3
T66	0	3
T67	0	3
T68	199243	0
T69	248990	0
T70	101088	0

SrcPulseCheck_M

Name	Attempts	Real Successes
Total	8548505	1034
T7	711	0
T8	590	0
T19	2161	3
T20	402	0
T29	489	0
T30	505	0
T31	524	0
T32	0	3
T33	0	3
T34	0	1
T36	0	1
T63	0	3
T64	0	3
T65	0	3
T66	0	3
T67	0	3
T68	407	0
T69	502	0
T70	404	0

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

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



30                        always_ff @(posedge clk_src_i or negedge rst_src_ni) begin
31         1/1              if (!rst_src_ni) begin
           Tests:       T4 T5 T6 
32         1/1                src_level <= 1'b0;
           Tests:       T4 T5 T6 
33                          end else begin
34         1/1                src_level <= src_level ^ src_pulse_i;
           Tests:       T4 T5 T6 
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:       T4 T5 T6 
90         1/1                dst_level_q <= 1'b0;
           Tests:       T4 T5 T6 
91                          end else begin
92         1/1                dst_level_q <= dst_level;
           Tests:       T4 T5 T6 
93                          end
94                        end
95                      
96                        // edge detection
97         1/1            assign dst_pulse_o = dst_level_q ^ dst_level;
           Tests:       T1 T17 T12

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	T4,T5,T6
0	1	Covered	T1,T17,T12
1	0	Covered	T1,T17,T12
1	1	Covered	T34,T35,T36

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

-1-	-2-	Status	Tests
0	0	Covered	T4,T5,T6
0	1	Covered	T1,T17,T12
1	0	Covered	T34,T35,T36
1	1	Covered	T1,T17,T12

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	T4,T5,T6
0	Covered	T4,T5,T6



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	T4,T5,T6
0	Covered	T4,T5,T6

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	8548505	6861	0	0
SrcPulseCheck_M	1026056372	6903	0	0

DstPulseCheck_A

Name	Attempts	Real Successes
Total	8548505	6861
T1	509	1
T2	655	0
T3	478	0
T12	0	1
T14	424	0
T15	443	0
T16	501	0
T17	475	1
T18	522	0
T19	2161	0
T20	402	0
T34	0	11
T35	0	79
T36	0	11
T59	0	78
T61	0	1
T95	0	1
T96	0	51

SrcPulseCheck_M

Name	Attempts	Real Successes
Total	1026056372	6903
T1	249622	1
T2	160572	0
T3	117341	0
T12	0	1
T14	53100	0
T15	217292	0
T16	251188	0
T17	54679	1
T18	219434	0
T19	259324	0
T20	138841	0
T34	0	11
T35	0	79
T36	0	11
T59	0	78
T61	0	1
T95	0	1
T96	0	51

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

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



30                        always_ff @(posedge clk_src_i or negedge rst_src_ni) begin
31         1/1              if (!rst_src_ni) begin
           Tests:       T4 T5 T6 
32         1/1                src_level <= 1'b0;
           Tests:       T4 T5 T6 
33                          end else begin
34         1/1                src_level <= src_level ^ src_pulse_i;
           Tests:       T4 T5 T6 
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:       T4 T5 T6 
90         1/1                dst_level_q <= 1'b0;
           Tests:       T4 T5 T6 
91                          end else begin
92         1/1                dst_level_q <= dst_level;
           Tests:       T4 T5 T6 
93                          end
94                        end
95                      
96                        // edge detection
97         1/1            assign dst_pulse_o = dst_level_q ^ dst_level;
           Tests:       T4 T5 T6

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	T4,T5,T6
0	1	Covered	T1,T17,T12
1	0	Covered	T1,T17,T12
1	1	Covered	T34,T35,T36

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

-1-	-2-	Status	Tests
0	0	Covered	T4,T5,T6
0	1	Covered	T1,T17,T12
1	0	Covered	T34,T35,T36
1	1	Covered	T1,T17,T12

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	T4,T5,T6
0	Covered	T4,T5,T6



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	T4,T5,T6
0	Covered	T4,T5,T6

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	1026056372	6898	0	0
SrcPulseCheck_M	8548505	6898	0	0

DstPulseCheck_A

Name	Attempts	Real Successes
Total	1026056372	6898
T1	249622	1
T2	160572	0
T3	117341	0
T12	0	1
T14	53100	0
T15	217292	0
T16	251188	0
T17	54679	1
T18	219434	0
T19	259324	0
T20	138841	0
T34	0	11
T35	0	79
T36	0	11
T59	0	78
T61	0	1
T95	0	1
T96	0	51

SrcPulseCheck_M

Name	Attempts	Real Successes
Total	8548505	6898
T1	509	1
T2	655	0
T3	478	0
T12	0	1
T14	424	0
T15	443	0
T16	501	0
T17	475	1
T18	522	0
T19	2161	0
T20	402	0
T34	0	11
T35	0	79
T36	0	11
T59	0	78
T61	0	1
T95	0	1
T96	0	51

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

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



30                        always_ff @(posedge clk_src_i or negedge rst_src_ni) begin
31         1/1              if (!rst_src_ni) begin
           Tests:       T4 T5 T6 
32         1/1                src_level <= 1'b0;
           Tests:       T4 T5 T6 
33                          end else begin
34         1/1                src_level <= src_level ^ src_pulse_i;
           Tests:       T4 T5 T6 
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:       T4 T5 T6 
90         1/1                dst_level_q <= 1'b0;
           Tests:       T4 T5 T6 
91                          end else begin
92         1/1                dst_level_q <= dst_level;
           Tests:       T4 T5 T6 
93                          end
94                        end
95                      
96                        // edge detection
97         1/1            assign dst_pulse_o = dst_level_q ^ dst_level;
           Tests:       T34 T35 T36

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	T4,T5,T6
0	1	Covered	T34,T35,T36
1	0	Covered	T34,T35,T36
1	1	Covered	T34,T35,T36

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

-1-	-2-	Status	Tests
0	0	Covered	T4,T5,T6
0	1	Covered	T34,T35,T36
1	0	Covered	T34,T35,T36
1	1	Covered	T34,T35,T36

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	T4,T5,T6
0	Covered	T4,T5,T6



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	T4,T5,T6
0	Covered	T4,T5,T6

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	8548505	6916	0	0
SrcPulseCheck_M	1026056372	6962	0	0

DstPulseCheck_A

Name	Attempts	Real Successes
Total	8548505	6916
T22	1545	0
T34	5906	11
T35	24747	79
T36	6770	11
T43	0	78
T48	0	74
T58	0	68
T59	0	73
T71	492	0
T72	525	0
T96	0	51
T97	0	69
T98	0	51
T99	440	0
T100	502	0
T101	507	0
T102	424	0

SrcPulseCheck_M

Name	Attempts	Real Successes
Total	1026056372	6962
T22	56541	0
T34	825416	11
T35	618686	79
T36	809098	11
T43	0	78
T48	0	74
T58	0	68
T59	0	73
T71	192078	0
T72	68279	0
T96	0	51
T97	0	69
T98	0	51
T99	55110	0
T100	120764	0
T101	33018	0
T102	103850	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:       T4 T5 T6 
32         1/1                src_level <= 1'b0;
           Tests:       T4 T5 T6 
33                          end else begin
34         1/1                src_level <= src_level ^ src_pulse_i;
           Tests:       T4 T5 T6 
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:       T4 T5 T6 
90         1/1                dst_level_q <= 1'b0;
           Tests:       T4 T5 T6 
91                          end else begin
92         1/1                dst_level_q <= dst_level;
           Tests:       T4 T5 T6 
93                          end
94                        end
95                      
96                        // edge detection
97         1/1            assign dst_pulse_o = dst_level_q ^ dst_level;
           Tests:       T4 T5 T6

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	T4,T5,T6
0	1	Covered	T34,T35,T36
1	0	Covered	T34,T35,T36
1	1	Covered	T34,T35,T36

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

-1-	-2-	Status	Tests
0	0	Covered	T4,T5,T6
0	1	Covered	T34,T35,T36
1	0	Covered	T34,T35,T36
1	1	Covered	T34,T35,T36

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	T4,T5,T6
0	Covered	T4,T5,T6



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	T4,T5,T6
0	Covered	T4,T5,T6

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	1026056372	6955	0	0
SrcPulseCheck_M	8548505	6955	0	0

DstPulseCheck_A

Name	Attempts	Real Successes
Total	1026056372	6955
T22	56541	0
T34	825416	11
T35	618686	79
T36	809098	11
T43	0	78
T48	0	74
T58	0	68
T59	0	73
T71	192078	0
T72	68279	0
T96	0	51
T97	0	69
T98	0	51
T99	55110	0
T100	120764	0
T101	33018	0
T102	103850	0

SrcPulseCheck_M

Name	Attempts	Real Successes
Total	8548505	6955
T22	1545	0
T34	5906	11
T35	24747	79
T36	6770	11
T43	0	78
T48	0	74
T58	0	68
T59	0	73
T71	492	0
T72	525	0
T96	0	51
T97	0	69
T98	0	51
T99	440	0
T100	502	0
T101	507	0
T102	424	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:       T4 T5 T6 
32         1/1                src_level <= 1'b0;
           Tests:       T4 T5 T6 
33                          end else begin
34         1/1                src_level <= src_level ^ src_pulse_i;
           Tests:       T4 T5 T6 
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:       T4 T5 T6 
90         1/1                dst_level_q <= 1'b0;
           Tests:       T4 T5 T6 
91                          end else begin
92         1/1                dst_level_q <= dst_level;
           Tests:       T4 T5 T6 
93                          end
94                        end
95                      
96                        // edge detection
97         1/1            assign dst_pulse_o = dst_level_q ^ dst_level;
           Tests:       T34 T35 T36

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	T4,T5,T6
0	1	Covered	T34,T35,T36
1	0	Covered	T34,T35,T36
1	1	Covered	T34,T35,T36

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

-1-	-2-	Status	Tests
0	0	Covered	T4,T5,T6
0	1	Covered	T34,T35,T36
1	0	Covered	T34,T35,T36
1	1	Covered	T34,T35,T36

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	T4,T5,T6
0	Covered	T4,T5,T6



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	T4,T5,T6
0	Covered	T4,T5,T6

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	8548505	6840	0	0
SrcPulseCheck_M	1026056372	6878	0	0

DstPulseCheck_A

Name	Attempts	Real Successes
Total	8548505	6840
T22	1545	0
T34	5906	11
T35	24747	59
T36	6770	11
T43	0	64
T48	0	74
T58	0	54
T59	0	65
T71	492	0
T72	525	0
T96	0	51
T97	0	97
T98	0	51
T99	440	0
T100	502	0
T101	507	0
T102	424	0

SrcPulseCheck_M

Name	Attempts	Real Successes
Total	1026056372	6878
T22	56541	0
T34	825416	11
T35	618686	59
T36	809098	11
T43	0	64
T48	0	74
T58	0	54
T59	0	65
T71	192078	0
T72	68279	0
T96	0	51
T97	0	97
T98	0	51
T99	55110	0
T100	120764	0
T101	33018	0
T102	103850	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:       T4 T5 T6 
32         1/1                src_level <= 1'b0;
           Tests:       T4 T5 T6 
33                          end else begin
34         1/1                src_level <= src_level ^ src_pulse_i;
           Tests:       T4 T5 T6 
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:       T4 T5 T6 
90         1/1                dst_level_q <= 1'b0;
           Tests:       T4 T5 T6 
91                          end else begin
92         1/1                dst_level_q <= dst_level;
           Tests:       T4 T5 T6 
93                          end
94                        end
95                      
96                        // edge detection
97         1/1            assign dst_pulse_o = dst_level_q ^ dst_level;
           Tests:       T4 T5 T6

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	T4,T5,T6
0	1	Covered	T34,T35,T36
1	0	Covered	T34,T35,T36
1	1	Covered	T34,T35,T36

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

-1-	-2-	Status	Tests
0	0	Covered	T4,T5,T6
0	1	Covered	T34,T35,T36
1	0	Covered	T34,T35,T36
1	1	Covered	T34,T35,T36

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	T4,T5,T6
0	Covered	T4,T5,T6



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	T4,T5,T6
0	Covered	T4,T5,T6

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	1026056372	6873	0	0
SrcPulseCheck_M	8548505	6873	0	0

DstPulseCheck_A

Name	Attempts	Real Successes
Total	1026056372	6873
T22	56541	0
T34	825416	11
T35	618686	59
T36	809098	11
T43	0	64
T48	0	74
T58	0	54
T59	0	65
T71	192078	0
T72	68279	0
T96	0	51
T97	0	97
T98	0	51
T99	55110	0
T100	120764	0
T101	33018	0
T102	103850	0

SrcPulseCheck_M

Name	Attempts	Real Successes
Total	8548505	6873
T22	1545	0
T34	5906	11
T35	24747	59
T36	6770	11
T43	0	64
T48	0	74
T58	0	54
T59	0	65
T71	492	0
T72	525	0
T96	0	51
T97	0	97
T98	0	51
T99	440	0
T100	502	0
T101	507	0
T102	424	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:       T4 T5 T6 
32         1/1                src_level <= 1'b0;
           Tests:       T4 T5 T6 
33                          end else begin
34         1/1                src_level <= src_level ^ src_pulse_i;
           Tests:       T4 T5 T6 
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:       T4 T5 T6 
90         1/1                dst_level_q <= 1'b0;
           Tests:       T4 T5 T6 
91                          end else begin
92         1/1                dst_level_q <= dst_level;
           Tests:       T4 T5 T6 
93                          end
94                        end
95                      
96                        // edge detection
97         1/1            assign dst_pulse_o = dst_level_q ^ dst_level;
           Tests:       T34 T35 T36

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	T4,T5,T6
0	1	Covered	T34,T35,T36
1	0	Covered	T34,T35,T36
1	1	Covered	T34,T35,T36

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

-1-	-2-	Status	Tests
0	0	Covered	T4,T5,T6
0	1	Covered	T34,T35,T36
1	0	Covered	T34,T35,T36
1	1	Covered	T34,T35,T36

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	T4,T5,T6
0	Covered	T4,T5,T6



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	T4,T5,T6
0	Covered	T4,T5,T6

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	8548505	6838	0	0
SrcPulseCheck_M	1026056372	6882	0	0

DstPulseCheck_A

Name	Attempts	Real Successes
Total	8548505	6838
T22	1545	0
T34	5906	11
T35	24747	79
T36	6770	11
T43	0	66
T48	0	65
T58	0	68
T59	0	65
T71	492	0
T72	525	0
T96	0	51
T97	0	74
T98	0	51
T99	440	0
T100	502	0
T101	507	0
T102	424	0

SrcPulseCheck_M

Name	Attempts	Real Successes
Total	1026056372	6882
T22	56541	0
T34	825416	11
T35	618686	79
T36	809098	11
T43	0	66
T48	0	65
T58	0	68
T59	0	65
T71	192078	0
T72	68279	0
T96	0	51
T97	0	74
T98	0	51
T99	55110	0
T100	120764	0
T101	33018	0
T102	103850	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:       T4 T5 T6 
32         1/1                src_level <= 1'b0;
           Tests:       T4 T5 T6 
33                          end else begin
34         1/1                src_level <= src_level ^ src_pulse_i;
           Tests:       T4 T5 T6 
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:       T4 T5 T6 
90         1/1                dst_level_q <= 1'b0;
           Tests:       T4 T5 T6 
91                          end else begin
92         1/1                dst_level_q <= dst_level;
           Tests:       T4 T5 T6 
93                          end
94                        end
95                      
96                        // edge detection
97         1/1            assign dst_pulse_o = dst_level_q ^ dst_level;
           Tests:       T4 T5 T6

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	T4,T5,T6
0	1	Covered	T34,T35,T36
1	0	Covered	T34,T35,T36
1	1	Covered	T34,T35,T36

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

-1-	-2-	Status	Tests
0	0	Covered	T4,T5,T6
0	1	Covered	T34,T35,T36
1	0	Covered	T34,T35,T36
1	1	Covered	T34,T35,T36

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	T4,T5,T6
0	Covered	T4,T5,T6



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	T4,T5,T6
0	Covered	T4,T5,T6

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	1026056372	6875	0	0
SrcPulseCheck_M	8548505	6875	0	0

DstPulseCheck_A

Name	Attempts	Real Successes
Total	1026056372	6875
T22	56541	0
T34	825416	11
T35	618686	79
T36	809098	11
T43	0	66
T48	0	65
T58	0	68
T59	0	65
T71	192078	0
T72	68279	0
T96	0	51
T97	0	74
T98	0	51
T99	55110	0
T100	120764	0
T101	33018	0
T102	103850	0

SrcPulseCheck_M

Name	Attempts	Real Successes
Total	8548505	6875
T22	1545	0
T34	5906	11
T35	24747	79
T36	6770	11
T43	0	66
T48	0	65
T58	0	68
T59	0	65
T71	492	0
T72	525	0
T96	0	51
T97	0	74
T98	0	51
T99	440	0
T100	502	0
T101	507	0
T102	424	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:       T4 T5 T6 
32         1/1                src_level <= 1'b0;
           Tests:       T4 T5 T6 
33                          end else begin
34         1/1                src_level <= src_level ^ src_pulse_i;
           Tests:       T4 T5 T6 
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:       T4 T5 T6 
90         1/1                dst_level_q <= 1'b0;
           Tests:       T4 T5 T6 
91                          end else begin
92         1/1                dst_level_q <= dst_level;
           Tests:       T4 T5 T6 
93                          end
94                        end
95                      
96                        // edge detection
97         1/1            assign dst_pulse_o = dst_level_q ^ dst_level;
           Tests:       T1 T17 T12

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	T4,T5,T6
0	1	Covered	T1,T17,T12
1	0	Covered	T1,T17,T12
1	1	Covered	T34,T36,T41

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

-1-	-2-	Status	Tests
0	0	Covered	T4,T5,T6
0	1	Covered	T1,T17,T12
1	0	Covered	T34,T36,T41
1	1	Covered	T1,T17,T12

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	T4,T5,T6
0	Covered	T4,T5,T6



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	T4,T5,T6
0	Covered	T4,T5,T6

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	8548505	1133	0	0
SrcPulseCheck_M	1026056372	1173	0	0

DstPulseCheck_A

Name	Attempts	Real Successes
Total	8548505	1133
T1	509	1
T2	655	0
T3	478	0
T12	0	1
T14	424	0
T15	443	0
T16	501	0
T17	475	1
T18	522	0
T19	2161	0
T20	402	0
T34	0	9
T35	0	9
T36	0	9
T59	0	4
T61	0	1
T95	0	1
T96	0	1

SrcPulseCheck_M

Name	Attempts	Real Successes
Total	1026056372	1173
T1	249622	1
T2	160572	0
T3	117341	0
T12	0	1
T14	53100	0
T15	217292	0
T16	251188	0
T17	54679	1
T18	219434	0
T19	259324	0
T20	138841	0
T34	0	9
T35	0	9
T36	0	9
T59	0	4
T61	0	1
T95	0	1
T96	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:       T4 T5 T6 
32         1/1                src_level <= 1'b0;
           Tests:       T4 T5 T6 
33                          end else begin
34         1/1                src_level <= src_level ^ src_pulse_i;
           Tests:       T4 T5 T6 
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:       T4 T5 T6 
90         1/1                dst_level_q <= 1'b0;
           Tests:       T4 T5 T6 
91                          end else begin
92         1/1                dst_level_q <= dst_level;
           Tests:       T4 T5 T6 
93                          end
94                        end
95                      
96                        // edge detection
97         1/1            assign dst_pulse_o = dst_level_q ^ dst_level;
           Tests:       T4 T5 T6

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	T4,T5,T6
0	1	Covered	T1,T17,T12
1	0	Covered	T1,T17,T12
1	1	Covered	T34,T36,T41

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

-1-	-2-	Status	Tests
0	0	Covered	T4,T5,T6
0	1	Covered	T1,T17,T12
1	0	Covered	T34,T36,T41
1	1	Covered	T1,T17,T12

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	T4,T5,T6
0	Covered	T4,T5,T6



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	T4,T5,T6
0	Covered	T4,T5,T6

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	1026056372	1167	0	0
SrcPulseCheck_M	8548505	1167	0	0

DstPulseCheck_A

Name	Attempts	Real Successes
Total	1026056372	1167
T1	249622	1
T2	160572	0
T3	117341	0
T12	0	1
T14	53100	0
T15	217292	0
T16	251188	0
T17	54679	1
T18	219434	0
T19	259324	0
T20	138841	0
T34	0	9
T35	0	9
T36	0	9
T59	0	4
T61	0	1
T95	0	1
T96	0	1

SrcPulseCheck_M

Name	Attempts	Real Successes
Total	8548505	1167
T1	509	1
T2	655	0
T3	478	0
T12	0	1
T14	424	0
T15	443	0
T16	501	0
T17	475	1
T18	522	0
T19	2161	0
T20	402	0
T34	0	9
T35	0	9
T36	0	9
T59	0	4
T61	0	1
T95	0	1
T96	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:       T4 T5 T6 
32         1/1                src_level <= 1'b0;
           Tests:       T4 T5 T6 
33                          end else begin
34         1/1                src_level <= src_level ^ src_pulse_i;
           Tests:       T4 T5 T6 
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:       T4 T5 T6 
90         1/1                dst_level_q <= 1'b0;
           Tests:       T4 T5 T6 
91                          end else begin
92         1/1                dst_level_q <= dst_level;
           Tests:       T4 T5 T6 
93                          end
94                        end
95                      
96                        // edge detection
97         1/1            assign dst_pulse_o = dst_level_q ^ dst_level;
           Tests:       T34 T35 T36

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	T4,T5,T6
0	1	Covered	T34,T35,T36
1	0	Covered	T34,T35,T36
1	1	Covered	T34,T36,T41

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

-1-	-2-	Status	Tests
0	0	Covered	T4,T5,T6
0	1	Covered	T34,T35,T36
1	0	Covered	T34,T36,T41
1	1	Covered	T34,T35,T36

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	T4,T5,T6
0	Covered	T4,T5,T6



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	T4,T5,T6
0	Covered	T4,T5,T6

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	8548505	1124	0	0
SrcPulseCheck_M	1026056372	1167	0	0

DstPulseCheck_A

Name	Attempts	Real Successes
Total	8548505	1124
T22	1545	0
T34	5906	9
T35	24747	9
T36	6770	9
T43	0	4
T48	0	7
T58	0	4
T59	0	4
T71	492	0
T72	525	0
T96	0	1
T97	0	7
T98	0	1
T99	440	0
T100	502	0
T101	507	0
T102	424	0

SrcPulseCheck_M

Name	Attempts	Real Successes
Total	1026056372	1167
T22	56541	0
T34	825416	9
T35	618686	9
T36	809098	9
T43	0	4
T48	0	7
T58	0	4
T59	0	4
T71	192078	0
T72	68279	0
T96	0	1
T97	0	7
T98	0	1
T99	55110	0
T100	120764	0
T101	33018	0
T102	103850	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:       T4 T5 T6 
32         1/1                src_level <= 1'b0;
           Tests:       T4 T5 T6 
33                          end else begin
34         1/1                src_level <= src_level ^ src_pulse_i;
           Tests:       T4 T5 T6 
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:       T4 T5 T6 
90         1/1                dst_level_q <= 1'b0;
           Tests:       T4 T5 T6 
91                          end else begin
92         1/1                dst_level_q <= dst_level;
           Tests:       T4 T5 T6 
93                          end
94                        end
95                      
96                        // edge detection
97         1/1            assign dst_pulse_o = dst_level_q ^ dst_level;
           Tests:       T4 T5 T6

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	T4,T5,T6
0	1	Covered	T34,T35,T36
1	0	Covered	T34,T35,T36
1	1	Covered	T34,T36,T41

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

-1-	-2-	Status	Tests
0	0	Covered	T4,T5,T6
0	1	Covered	T34,T35,T36
1	0	Covered	T34,T36,T41
1	1	Covered	T34,T35,T36

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	T4,T5,T6
0	Covered	T4,T5,T6



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	T4,T5,T6
0	Covered	T4,T5,T6

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	1026056372	1160	0	0
SrcPulseCheck_M	8548505	1160	0	0

DstPulseCheck_A

Name	Attempts	Real Successes
Total	1026056372	1160
T22	56541	0
T34	825416	9
T35	618686	9
T36	809098	9
T43	0	4
T48	0	7
T58	0	4
T59	0	4
T71	192078	0
T72	68279	0
T96	0	1
T97	0	7
T98	0	1
T99	55110	0
T100	120764	0
T101	33018	0
T102	103850	0

SrcPulseCheck_M

Name	Attempts	Real Successes
Total	8548505	1160
T22	1545	0
T34	5906	9
T35	24747	9
T36	6770	9
T43	0	4
T48	0	7
T58	0	4
T59	0	4
T71	492	0
T72	525	0
T96	0	1
T97	0	7
T98	0	1
T99	440	0
T100	502	0
T101	507	0
T102	424	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:       T4 T5 T6 
32         1/1                src_level <= 1'b0;
           Tests:       T4 T5 T6 
33                          end else begin
34         1/1                src_level <= src_level ^ src_pulse_i;
           Tests:       T4 T5 T6 
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:       T4 T5 T6 
90         1/1                dst_level_q <= 1'b0;
           Tests:       T4 T5 T6 
91                          end else begin
92         1/1                dst_level_q <= dst_level;
           Tests:       T4 T5 T6 
93                          end
94                        end
95                      
96                        // edge detection
97         1/1            assign dst_pulse_o = dst_level_q ^ dst_level;
           Tests:       T34 T35 T36

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	T4,T5,T6
0	1	Covered	T34,T35,T36
1	0	Covered	T34,T35,T36
1	1	Covered	T34,T36,T41

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

-1-	-2-	Status	Tests
0	0	Covered	T4,T5,T6
0	1	Covered	T34,T35,T36
1	0	Covered	T34,T36,T41
1	1	Covered	T34,T35,T36

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	T4,T5,T6
0	Covered	T4,T5,T6



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	T4,T5,T6
0	Covered	T4,T5,T6

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	8548505	1154	0	0
SrcPulseCheck_M	1026056372	1190	0	0

DstPulseCheck_A

Name	Attempts	Real Successes
Total	8548505	1154
T22	1545	0
T34	5906	9
T35	24747	9
T36	6770	9
T43	0	4
T48	0	7
T58	0	4
T59	0	4
T71	492	0
T72	525	0
T96	0	1
T97	0	7
T98	0	1
T99	440	0
T100	502	0
T101	507	0
T102	424	0

SrcPulseCheck_M

Name	Attempts	Real Successes
Total	1026056372	1190
T22	56541	0
T34	825416	9
T35	618686	9
T36	809098	9
T43	0	4
T48	0	7
T58	0	4
T59	0	4
T71	192078	0
T72	68279	0
T96	0	1
T97	0	7
T98	0	1
T99	55110	0
T100	120764	0
T101	33018	0
T102	103850	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:       T4 T5 T6 
32         1/1                src_level <= 1'b0;
           Tests:       T4 T5 T6 
33                          end else begin
34         1/1                src_level <= src_level ^ src_pulse_i;
           Tests:       T4 T5 T6 
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:       T4 T5 T6 
90         1/1                dst_level_q <= 1'b0;
           Tests:       T4 T5 T6 
91                          end else begin
92         1/1                dst_level_q <= dst_level;
           Tests:       T4 T5 T6 
93                          end
94                        end
95                      
96                        // edge detection
97         1/1            assign dst_pulse_o = dst_level_q ^ dst_level;
           Tests:       T4 T5 T6

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	T4,T5,T6
0	1	Covered	T34,T35,T36
1	0	Covered	T34,T35,T36
1	1	Covered	T34,T36,T41

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

-1-	-2-	Status	Tests
0	0	Covered	T4,T5,T6
0	1	Covered	T34,T35,T36
1	0	Covered	T34,T36,T41
1	1	Covered	T34,T35,T36

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	T4,T5,T6
0	Covered	T4,T5,T6



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	T4,T5,T6
0	Covered	T4,T5,T6

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	1026056372	1185	0	0
SrcPulseCheck_M	8548505	1185	0	0

DstPulseCheck_A

Name	Attempts	Real Successes
Total	1026056372	1185
T22	56541	0
T34	825416	9
T35	618686	9
T36	809098	9
T43	0	4
T48	0	7
T58	0	4
T59	0	4
T71	192078	0
T72	68279	0
T96	0	1
T97	0	7
T98	0	1
T99	55110	0
T100	120764	0
T101	33018	0
T102	103850	0

SrcPulseCheck_M

Name	Attempts	Real Successes
Total	8548505	1185
T22	1545	0
T34	5906	9
T35	24747	9
T36	6770	9
T43	0	4
T48	0	7
T58	0	4
T59	0	4
T71	492	0
T72	525	0
T96	0	1
T97	0	7
T98	0	1
T99	440	0
T100	502	0
T101	507	0
T102	424	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:       T4 T5 T6 
32         1/1                src_level <= 1'b0;
           Tests:       T4 T5 T6 
33                          end else begin
34         1/1                src_level <= src_level ^ src_pulse_i;
           Tests:       T4 T5 T6 
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:       T4 T5 T6 
90         1/1                dst_level_q <= 1'b0;
           Tests:       T4 T5 T6 
91                          end else begin
92         1/1                dst_level_q <= dst_level;
           Tests:       T4 T5 T6 
93                          end
94                        end
95                      
96                        // edge detection
97         1/1            assign dst_pulse_o = dst_level_q ^ dst_level;
           Tests:       T34 T35 T36

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	T4,T5,T6
0	1	Covered	T34,T35,T36
1	0	Covered	T34,T35,T36
1	1	Covered	T34,T36,T41

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

-1-	-2-	Status	Tests
0	0	Covered	T4,T5,T6
0	1	Covered	T34,T35,T36
1	0	Covered	T34,T36,T41
1	1	Covered	T34,T35,T36

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	T4,T5,T6
0	Covered	T4,T5,T6



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	T4,T5,T6
0	Covered	T4,T5,T6

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	8548505	1137	0	0
SrcPulseCheck_M	1026056372	1179	0	0

DstPulseCheck_A

Name	Attempts	Real Successes
Total	8548505	1137
T22	1545	0
T34	5906	9
T35	24747	9
T36	6770	9
T43	0	4
T48	0	7
T58	0	4
T59	0	4
T71	492	0
T72	525	0
T96	0	1
T97	0	7
T98	0	1
T99	440	0
T100	502	0
T101	507	0
T102	424	0

SrcPulseCheck_M

Name	Attempts	Real Successes
Total	1026056372	1179
T22	56541	0
T34	825416	9
T35	618686	9
T36	809098	9
T43	0	4
T48	0	7
T58	0	4
T59	0	4
T71	192078	0
T72	68279	0
T96	0	1
T97	0	7
T98	0	1
T99	55110	0
T100	120764	0
T101	33018	0
T102	103850	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:       T4 T5 T6 
32         1/1                src_level <= 1'b0;
           Tests:       T4 T5 T6 
33                          end else begin
34         1/1                src_level <= src_level ^ src_pulse_i;
           Tests:       T4 T5 T6 
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:       T4 T5 T6 
90         1/1                dst_level_q <= 1'b0;
           Tests:       T4 T5 T6 
91                          end else begin
92         1/1                dst_level_q <= dst_level;
           Tests:       T4 T5 T6 
93                          end
94                        end
95                      
96                        // edge detection
97         1/1            assign dst_pulse_o = dst_level_q ^ dst_level;
           Tests:       T4 T5 T6

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	T4,T5,T6
0	1	Covered	T34,T35,T36
1	0	Covered	T34,T35,T36
1	1	Covered	T34,T36,T41

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

-1-	-2-	Status	Tests
0	0	Covered	T4,T5,T6
0	1	Covered	T34,T35,T36
1	0	Covered	T34,T36,T41
1	1	Covered	T34,T35,T36

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	T4,T5,T6
0	Covered	T4,T5,T6



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	T4,T5,T6
0	Covered	T4,T5,T6

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	1026056372	1171	0	0
SrcPulseCheck_M	8548505	1171	0	0

DstPulseCheck_A

Name	Attempts	Real Successes
Total	1026056372	1171
T22	56541	0
T34	825416	9
T35	618686	9
T36	809098	9
T43	0	4
T48	0	7
T58	0	4
T59	0	4
T71	192078	0
T72	68279	0
T96	0	1
T97	0	7
T98	0	1
T99	55110	0
T100	120764	0
T101	33018	0
T102	103850	0

SrcPulseCheck_M

Name	Attempts	Real Successes
Total	8548505	1171
T22	1545	0
T34	5906	9
T35	24747	9
T36	6770	9
T43	0	4
T48	0	7
T58	0	4
T59	0	4
T71	492	0
T72	525	0
T96	0	1
T97	0	7
T98	0	1
T99	440	0
T100	502	0
T101	507	0
T102	424	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:       T4 T5 T6 
32         1/1                src_level <= 1'b0;
           Tests:       T4 T5 T6 
33                          end else begin
34         1/1                src_level <= src_level ^ src_pulse_i;
           Tests:       T4 T5 T6 
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:       T4 T5 T6 
90         1/1                dst_level_q <= 1'b0;
           Tests:       T4 T5 T6 
91                          end else begin
92         1/1                dst_level_q <= dst_level;
           Tests:       T4 T5 T6 
93                          end
94                        end
95                      
96                        // edge detection
97         1/1            assign dst_pulse_o = dst_level_q ^ dst_level;
           Tests:       T1 T15 T17

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	T4,T5,T6
0	1	Covered	T1,T15,T17
1	0	Covered	T1,T15,T17
1	1	Covered	T34,T35,T36

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

-1-	-2-	Status	Tests
0	0	Covered	T4,T5,T6
0	1	Covered	T1,T15,T17
1	0	Covered	T34,T35,T36
1	1	Covered	T1,T15,T17

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	T4,T5,T6
0	Covered	T4,T5,T6



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	T4,T5,T6
0	Covered	T4,T5,T6

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	8548505	7405	0	0
SrcPulseCheck_M	1026056372	7450	0	0

DstPulseCheck_A

Name	Attempts	Real Successes
Total	8548505	7405
T1	509	1
T2	655	0
T3	478	1
T9	0	1
T10	0	1
T12	0	1
T14	424	0
T15	443	1
T16	501	0
T17	475	1
T18	522	0
T19	2161	0
T20	402	0
T60	0	1
T61	0	1
T62	0	1

SrcPulseCheck_M

Name	Attempts	Real Successes
Total	1026056372	7450
T1	249622	1
T2	160572	0
T3	117341	1
T9	0	1
T10	0	1
T12	0	1
T14	53100	0
T15	217292	1
T16	251188	0
T17	54679	1
T18	219434	0
T19	259324	0
T20	138841	0
T60	0	1
T61	0	1
T62	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:       T4 T5 T6 
32         1/1                src_level <= 1'b0;
           Tests:       T4 T5 T6 
33                          end else begin
34         1/1                src_level <= src_level ^ src_pulse_i;
           Tests:       T4 T5 T6 
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:       T4 T5 T6 
90         1/1                dst_level_q <= 1'b0;
           Tests:       T4 T5 T6 
91                          end else begin
92         1/1                dst_level_q <= dst_level;
           Tests:       T4 T5 T6 
93                          end
94                        end
95                      
96                        // edge detection
97         1/1            assign dst_pulse_o = dst_level_q ^ dst_level;
           Tests:       T4 T5 T6

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	T4,T5,T6
0	1	Covered	T1,T15,T17
1	0	Covered	T1,T15,T17
1	1	Covered	T34,T35,T36

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

-1-	-2-	Status	Tests
0	0	Covered	T4,T5,T6
0	1	Covered	T1,T15,T17
1	0	Covered	T34,T35,T36
1	1	Covered	T1,T15,T17

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	T4,T5,T6
0	Covered	T4,T5,T6



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	T4,T5,T6
0	Covered	T4,T5,T6

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	1026056372	7443	0	0
SrcPulseCheck_M	8548505	7443	0	0

DstPulseCheck_A

Name	Attempts	Real Successes
Total	1026056372	7443
T1	249622	1
T2	160572	0
T3	117341	1
T9	0	1
T10	0	1
T12	0	1
T14	53100	0
T15	217292	1
T16	251188	0
T17	54679	1
T18	219434	0
T19	259324	0
T20	138841	0
T60	0	1
T61	0	1
T62	0	1

SrcPulseCheck_M

Name	Attempts	Real Successes
Total	8548505	7443
T1	509	1
T2	655	0
T3	478	1
T9	0	1
T10	0	1
T12	0	1
T14	424	0
T15	443	1
T16	501	0
T17	475	1
T18	522	0
T19	2161	0
T20	402	0
T60	0	1
T61	0	1
T62	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:       T4 T5 T6 
32         1/1                src_level <= 1'b0;
           Tests:       T4 T5 T6 
33                          end else begin
34         1/1                src_level <= src_level ^ src_pulse_i;
           Tests:       T4 T5 T6 
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:       T4 T5 T6 
90         1/1                dst_level_q <= 1'b0;
           Tests:       T4 T5 T6 
91                          end else begin
92         1/1                dst_level_q <= dst_level;
           Tests:       T4 T5 T6 
93                          end
94                        end
95                      
96                        // edge detection
97         1/1            assign dst_pulse_o = dst_level_q ^ dst_level;
           Tests:       T34 T35 T36

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	T4,T5,T6
0	1	Covered	T34,T35,T36
1	0	Covered	T34,T35,T36
1	1	Covered	T34,T35,T36

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

-1-	-2-	Status	Tests
0	0	Covered	T4,T5,T6
0	1	Covered	T34,T35,T36
1	0	Covered	T34,T35,T36
1	1	Covered	T34,T35,T36

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	T4,T5,T6
0	Covered	T4,T5,T6



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	T4,T5,T6
0	Covered	T4,T5,T6

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	8548505	7477	0	0
SrcPulseCheck_M	1026056372	7517	0	0

DstPulseCheck_A

Name	Attempts	Real Successes
Total	8548505	7477
T22	1545	0
T34	5906	11
T35	24747	79
T36	6770	11
T46	0	10
T47	0	1
T49	0	1
T57	0	7
T59	0	73
T71	492	0
T72	525	0
T96	0	51
T99	440	0
T100	502	0
T101	507	0
T102	424	0
T103	0	1

SrcPulseCheck_M

Name	Attempts	Real Successes
Total	1026056372	7517
T22	56541	0
T34	825416	11
T35	618686	79
T36	809098	11
T46	0	10
T47	0	1
T49	0	1
T57	0	7
T59	0	73
T71	192078	0
T72	68279	0
T96	0	51
T99	55110	0
T100	120764	0
T101	33018	0
T102	103850	0
T103	0	1

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:       T4 T5 T6 
32         1/1                src_level <= 1'b0;
           Tests:       T4 T5 T6 
33                          end else begin
34         1/1                src_level <= src_level ^ src_pulse_i;
           Tests:       T4 T5 T6 
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:       T4 T5 T6 
90         1/1                dst_level_q <= 1'b0;
           Tests:       T4 T5 T6 
91                          end else begin
92         1/1                dst_level_q <= dst_level;
           Tests:       T4 T5 T6 
93                          end
94                        end
95                      
96                        // edge detection
97         1/1            assign dst_pulse_o = dst_level_q ^ dst_level;
           Tests:       T4 T5 T6

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	T4,T5,T6
0	1	Covered	T34,T35,T36
1	0	Covered	T34,T35,T36
1	1	Covered	T34,T35,T36

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

-1-	-2-	Status	Tests
0	0	Covered	T4,T5,T6
0	1	Covered	T34,T35,T36
1	0	Covered	T34,T35,T36
1	1	Covered	T34,T35,T36

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	T4,T5,T6
0	Covered	T4,T5,T6



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	T4,T5,T6
0	Covered	T4,T5,T6

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	1026056372	7511	0	0
SrcPulseCheck_M	8548505	7511	0	0

DstPulseCheck_A

Name	Attempts	Real Successes
Total	1026056372	7511
T22	56541	0
T34	825416	11
T35	618686	79
T36	809098	11
T46	0	10
T47	0	1
T49	0	1
T57	0	7
T59	0	73
T71	192078	0
T72	68279	0
T96	0	51
T99	55110	0
T100	120764	0
T101	33018	0
T102	103850	0
T103	0	1

SrcPulseCheck_M

Name	Attempts	Real Successes
Total	8548505	7511
T22	1545	0
T34	5906	11
T35	24747	79
T36	6770	11
T46	0	10
T47	0	1
T49	0	1
T57	0	7
T59	0	73
T71	492	0
T72	525	0
T96	0	51
T99	440	0
T100	502	0
T101	507	0
T102	424	0
T103	0	1

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:       T4 T5 T6 
32         1/1                src_level <= 1'b0;
           Tests:       T4 T5 T6 
33                          end else begin
34         1/1                src_level <= src_level ^ src_pulse_i;
           Tests:       T4 T5 T6 
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:       T4 T5 T6 
90         1/1                dst_level_q <= 1'b0;
           Tests:       T4 T5 T6 
91                          end else begin
92         1/1                dst_level_q <= dst_level;
           Tests:       T4 T5 T6 
93                          end
94                        end
95                      
96                        // edge detection
97         1/1            assign dst_pulse_o = dst_level_q ^ dst_level;
           Tests:       T34 T35 T36

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	T4,T5,T6
0	1	Covered	T34,T35,T36
1	0	Covered	T34,T35,T36
1	1	Covered	T34,T35,T36

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

-1-	-2-	Status	Tests
0	0	Covered	T4,T5,T6
0	1	Covered	T34,T35,T36
1	0	Covered	T34,T35,T36
1	1	Covered	T34,T35,T36

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	T4,T5,T6
0	Covered	T4,T5,T6



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	T4,T5,T6
0	Covered	T4,T5,T6

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	8548505	7338	0	0
SrcPulseCheck_M	1026056372	7382	0	0

DstPulseCheck_A

Name	Attempts	Real Successes
Total	8548505	7338
T22	1545	0
T34	5906	11
T35	24747	59
T36	6770	11
T46	0	10
T47	0	1
T49	0	1
T57	0	7
T59	0	65
T71	492	0
T72	525	0
T96	0	51
T99	440	0
T100	502	0
T101	507	0
T102	424	0
T103	0	1

SrcPulseCheck_M

Name	Attempts	Real Successes
Total	1026056372	7382
T22	56541	0
T34	825416	11
T35	618686	59
T36	809098	11
T46	0	10
T47	0	1
T49	0	1
T57	0	7
T59	0	65
T71	192078	0
T72	68279	0
T96	0	51
T99	55110	0
T100	120764	0
T101	33018	0
T102	103850	0
T103	0	1

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:       T4 T5 T6 
32         1/1                src_level <= 1'b0;
           Tests:       T4 T5 T6 
33                          end else begin
34         1/1                src_level <= src_level ^ src_pulse_i;
           Tests:       T4 T5 T6 
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:       T4 T5 T6 
90         1/1                dst_level_q <= 1'b0;
           Tests:       T4 T5 T6 
91                          end else begin
92         1/1                dst_level_q <= dst_level;
           Tests:       T4 T5 T6 
93                          end
94                        end
95                      
96                        // edge detection
97         1/1            assign dst_pulse_o = dst_level_q ^ dst_level;
           Tests:       T4 T5 T6

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	T4,T5,T6
0	1	Covered	T34,T35,T36
1	0	Covered	T34,T35,T36
1	1	Covered	T34,T35,T36

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

-1-	-2-	Status	Tests
0	0	Covered	T4,T5,T6
0	1	Covered	T34,T35,T36
1	0	Covered	T34,T35,T36
1	1	Covered	T34,T35,T36

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	T4,T5,T6
0	Covered	T4,T5,T6



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	T4,T5,T6
0	Covered	T4,T5,T6

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	1026056372	7377	0	0
SrcPulseCheck_M	8548505	7377	0	0

DstPulseCheck_A

Name	Attempts	Real Successes
Total	1026056372	7377
T22	56541	0
T34	825416	11
T35	618686	59
T36	809098	11
T46	0	10
T47	0	1
T49	0	1
T57	0	7
T59	0	65
T71	192078	0
T72	68279	0
T96	0	51
T99	55110	0
T100	120764	0
T101	33018	0
T102	103850	0
T103	0	1

SrcPulseCheck_M

Name	Attempts	Real Successes
Total	8548505	7377
T22	1545	0
T34	5906	11
T35	24747	59
T36	6770	11
T46	0	10
T47	0	1
T49	0	1
T57	0	7
T59	0	65
T71	492	0
T72	525	0
T96	0	51
T99	440	0
T100	502	0
T101	507	0
T102	424	0
T103	0	1

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:       T4 T5 T6 
32         1/1                src_level <= 1'b0;
           Tests:       T4 T5 T6 
33                          end else begin
34         1/1                src_level <= src_level ^ src_pulse_i;
           Tests:       T4 T5 T6 
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:       T4 T5 T6 
90         1/1                dst_level_q <= 1'b0;
           Tests:       T4 T5 T6 
91                          end else begin
92         1/1                dst_level_q <= dst_level;
           Tests:       T4 T5 T6 
93                          end
94                        end
95                      
96                        // edge detection
97         1/1            assign dst_pulse_o = dst_level_q ^ dst_level;
           Tests:       T34 T35 T36

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	T4,T5,T6
0	1	Covered	T34,T35,T36
1	0	Covered	T34,T35,T36
1	1	Covered	T34,T35,T36

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

-1-	-2-	Status	Tests
0	0	Covered	T4,T5,T6
0	1	Covered	T34,T35,T36
1	0	Covered	T34,T35,T36
1	1	Covered	T34,T35,T36

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	T4,T5,T6
0	Covered	T4,T5,T6



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	T4,T5,T6
0	Covered	T4,T5,T6

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	8548505	7370	0	0
SrcPulseCheck_M	1026056372	7415	0	0

DstPulseCheck_A

Name	Attempts	Real Successes
Total	8548505	7370
T22	1545	0
T34	5906	11
T35	24747	79
T36	6770	11
T46	0	10
T47	0	1
T49	0	1
T57	0	7
T59	0	65
T71	492	0
T72	525	0
T96	0	51
T99	440	0
T100	502	0
T101	507	0
T102	424	0
T103	0	1

SrcPulseCheck_M

Name	Attempts	Real Successes
Total	1026056372	7415
T22	56541	0
T34	825416	11
T35	618686	79
T36	809098	11
T46	0	10
T47	0	1
T49	0	1
T57	0	7
T59	0	65
T71	192078	0
T72	68279	0
T96	0	51
T99	55110	0
T100	120764	0
T101	33018	0
T102	103850	0
T103	0	1

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:       T4 T5 T6 
32         1/1                src_level <= 1'b0;
           Tests:       T4 T5 T6 
33                          end else begin
34         1/1                src_level <= src_level ^ src_pulse_i;
           Tests:       T4 T5 T6 
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:       T4 T5 T6 
90         1/1                dst_level_q <= 1'b0;
           Tests:       T4 T5 T6 
91                          end else begin
92         1/1                dst_level_q <= dst_level;
           Tests:       T4 T5 T6 
93                          end
94                        end
95                      
96                        // edge detection
97         1/1            assign dst_pulse_o = dst_level_q ^ dst_level;
           Tests:       T4 T5 T6

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	T4,T5,T6
0	1	Covered	T34,T35,T36
1	0	Covered	T34,T35,T36
1	1	Covered	T34,T35,T36

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

-1-	-2-	Status	Tests
0	0	Covered	T4,T5,T6
0	1	Covered	T34,T35,T36
1	0	Covered	T34,T35,T36
1	1	Covered	T34,T35,T36

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	T4,T5,T6
0	Covered	T4,T5,T6



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	T4,T5,T6
0	Covered	T4,T5,T6

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	1026056372	7409	0	0
SrcPulseCheck_M	8548505	7409	0	0

DstPulseCheck_A

Name	Attempts	Real Successes
Total	1026056372	7409
T22	56541	0
T34	825416	11
T35	618686	79
T36	809098	11
T46	0	10
T47	0	1
T49	0	1
T57	0	7
T59	0	65
T71	192078	0
T72	68279	0
T96	0	51
T99	55110	0
T100	120764	0
T101	33018	0
T102	103850	0
T103	0	1

SrcPulseCheck_M

Name	Attempts	Real Successes
Total	8548505	7409
T22	1545	0
T34	5906	11
T35	24747	79
T36	6770	11
T46	0	10
T47	0	1
T49	0	1
T57	0	7
T59	0	65
T71	492	0
T72	525	0
T96	0	51
T99	440	0
T100	502	0
T101	507	0
T102	424	0
T103	0	1

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:       T4 T5 T6 
32         1/1                src_level <= 1'b0;
           Tests:       T4 T5 T6 
33                          end else begin
34         1/1                src_level <= src_level ^ src_pulse_i;
           Tests:       T4 T5 T6 
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:       T4 T5 T6 
90         1/1                dst_level_q <= 1'b0;
           Tests:       T4 T5 T6 
91                          end else begin
92         1/1                dst_level_q <= dst_level;
           Tests:       T4 T5 T6 
93                          end
94                        end
95                      
96                        // edge detection
97         1/1            assign dst_pulse_o = dst_level_q ^ dst_level;
           Tests:       T1 T15 T17

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	T4,T5,T6
0	1	Covered	T1,T15,T17
1	0	Covered	T1,T15,T17
1	1	Covered	T34,T36,T41

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

-1-	-2-	Status	Tests
0	0	Covered	T4,T5,T6
0	1	Covered	T1,T15,T17
1	0	Covered	T34,T36,T41
1	1	Covered	T1,T15,T17

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	T4,T5,T6
0	Covered	T4,T5,T6



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	T4,T5,T6
0	Covered	T4,T5,T6

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	8548505	1667	0	0
SrcPulseCheck_M	1026056372	1706	0	0

DstPulseCheck_A

Name	Attempts	Real Successes
Total	8548505	1667
T1	509	1
T2	655	0
T3	478	1
T9	0	1
T10	0	1
T12	0	1
T14	424	0
T15	443	1
T16	501	0
T17	475	1
T18	522	0
T19	2161	0
T20	402	0
T60	0	1
T61	0	1
T62	0	1

SrcPulseCheck_M

Name	Attempts	Real Successes
Total	1026056372	1706
T1	249622	1
T2	160572	0
T3	117341	1
T9	0	1
T10	0	1
T12	0	1
T14	53100	0
T15	217292	1
T16	251188	0
T17	54679	1
T18	219434	0
T19	259324	0
T20	138841	0
T60	0	1
T61	0	1
T62	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:       T4 T5 T6 
32         1/1                src_level <= 1'b0;
           Tests:       T4 T5 T6 
33                          end else begin
34         1/1                src_level <= src_level ^ src_pulse_i;
           Tests:       T4 T5 T6 
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:       T4 T5 T6 
90         1/1                dst_level_q <= 1'b0;
           Tests:       T4 T5 T6 
91                          end else begin
92         1/1                dst_level_q <= dst_level;
           Tests:       T4 T5 T6 
93                          end
94                        end
95                      
96                        // edge detection
97         1/1            assign dst_pulse_o = dst_level_q ^ dst_level;
           Tests:       T4 T5 T6

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	T4,T5,T6
0	1	Covered	T1,T15,T17
1	0	Covered	T1,T15,T17
1	1	Covered	T34,T36,T41

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

-1-	-2-	Status	Tests
0	0	Covered	T4,T5,T6
0	1	Covered	T1,T15,T17
1	0	Covered	T34,T36,T41
1	1	Covered	T1,T15,T17

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	T4,T5,T6
0	Covered	T4,T5,T6



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	T4,T5,T6
0	Covered	T4,T5,T6

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	1026056372	1700	0	0
SrcPulseCheck_M	8548505	1700	0	0

DstPulseCheck_A

Name	Attempts	Real Successes
Total	1026056372	1700
T1	249622	1
T2	160572	0
T3	117341	1
T9	0	1
T10	0	1
T12	0	1
T14	53100	0
T15	217292	1
T16	251188	0
T17	54679	1
T18	219434	0
T19	259324	0
T20	138841	0
T60	0	1
T61	0	1
T62	0	1

SrcPulseCheck_M

Name	Attempts	Real Successes
Total	8548505	1700
T1	509	1
T2	655	0
T3	478	1
T9	0	1
T10	0	1
T12	0	1
T14	424	0
T15	443	1
T16	501	0
T17	475	1
T18	522	0
T19	2161	0
T20	402	0
T60	0	1
T61	0	1
T62	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:       T4 T5 T6 
32         1/1                src_level <= 1'b0;
           Tests:       T4 T5 T6 
33                          end else begin
34         1/1                src_level <= src_level ^ src_pulse_i;
           Tests:       T4 T5 T6 
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:       T4 T5 T6 
90         1/1                dst_level_q <= 1'b0;
           Tests:       T4 T5 T6 
91                          end else begin
92         1/1                dst_level_q <= dst_level;
           Tests:       T4 T5 T6 
93                          end
94                        end
95                      
96                        // edge detection
97         1/1            assign dst_pulse_o = dst_level_q ^ dst_level;
           Tests:       T34 T35 T36

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	T4,T5,T6
0	1	Covered	T34,T35,T36
1	0	Covered	T34,T35,T36
1	1	Covered	T34,T36,T41

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

-1-	-2-	Status	Tests
0	0	Covered	T4,T5,T6
0	1	Covered	T34,T35,T36
1	0	Covered	T34,T36,T41
1	1	Covered	T34,T35,T36

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	T4,T5,T6
0	Covered	T4,T5,T6



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	T4,T5,T6
0	Covered	T4,T5,T6

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	8548505	1666	0	0
SrcPulseCheck_M	1026056372	1702	0	0

DstPulseCheck_A

Name	Attempts	Real Successes
Total	8548505	1666
T22	1545	0
T34	5906	9
T35	24747	9
T36	6770	9
T46	0	10
T47	0	1
T49	0	1
T57	0	7
T59	0	4
T71	492	0
T72	525	0
T96	0	1
T99	440	0
T100	502	0
T101	507	0
T102	424	0
T103	0	1

SrcPulseCheck_M

Name	Attempts	Real Successes
Total	1026056372	1702
T22	56541	0
T34	825416	9
T35	618686	9
T36	809098	9
T46	0	10
T47	0	1
T49	0	1
T57	0	7
T59	0	4
T71	192078	0
T72	68279	0
T96	0	1
T99	55110	0
T100	120764	0
T101	33018	0
T102	103850	0
T103	0	1

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:       T4 T5 T6 
32         1/1                src_level <= 1'b0;
           Tests:       T4 T5 T6 
33                          end else begin
34         1/1                src_level <= src_level ^ src_pulse_i;
           Tests:       T4 T5 T6 
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:       T4 T5 T6 
90         1/1                dst_level_q <= 1'b0;
           Tests:       T4 T5 T6 
91                          end else begin
92         1/1                dst_level_q <= dst_level;
           Tests:       T4 T5 T6 
93                          end
94                        end
95                      
96                        // edge detection
97         1/1            assign dst_pulse_o = dst_level_q ^ dst_level;
           Tests:       T4 T5 T6

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	T4,T5,T6
0	1	Covered	T34,T35,T36
1	0	Covered	T34,T35,T36
1	1	Covered	T34,T36,T41

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

-1-	-2-	Status	Tests
0	0	Covered	T4,T5,T6
0	1	Covered	T34,T35,T36
1	0	Covered	T34,T36,T41
1	1	Covered	T34,T35,T36

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	T4,T5,T6
0	Covered	T4,T5,T6



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	T4,T5,T6
0	Covered	T4,T5,T6

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	1026056372	1696	0	0
SrcPulseCheck_M	8548505	1696	0	0

DstPulseCheck_A

Name	Attempts	Real Successes
Total	1026056372	1696
T22	56541	0
T34	825416	9
T35	618686	9
T36	809098	9
T46	0	10
T47	0	1
T49	0	1
T57	0	7
T59	0	4
T71	192078	0
T72	68279	0
T96	0	1
T99	55110	0
T100	120764	0
T101	33018	0
T102	103850	0
T103	0	1

SrcPulseCheck_M

Name	Attempts	Real Successes
Total	8548505	1696
T22	1545	0
T34	5906	9
T35	24747	9
T36	6770	9
T46	0	10
T47	0	1
T49	0	1
T57	0	7
T59	0	4
T71	492	0
T72	525	0
T96	0	1
T99	440	0
T100	502	0
T101	507	0
T102	424	0
T103	0	1

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:       T4 T5 T6 
32         1/1                src_level <= 1'b0;
           Tests:       T4 T5 T6 
33                          end else begin
34         1/1                src_level <= src_level ^ src_pulse_i;
           Tests:       T4 T5 T6 
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:       T4 T5 T6 
90         1/1                dst_level_q <= 1'b0;
           Tests:       T4 T5 T6 
91                          end else begin
92         1/1                dst_level_q <= dst_level;
           Tests:       T4 T5 T6 
93                          end
94                        end
95                      
96                        // edge detection
97         1/1            assign dst_pulse_o = dst_level_q ^ dst_level;
           Tests:       T34 T35 T36

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	T4,T5,T6
0	1	Covered	T34,T35,T36
1	0	Covered	T34,T35,T36
1	1	Covered	T34,T36,T41

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

-1-	-2-	Status	Tests
0	0	Covered	T4,T5,T6
0	1	Covered	T34,T35,T36
1	0	Covered	T34,T36,T41
1	1	Covered	T34,T35,T36

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	T4,T5,T6
0	Covered	T4,T5,T6



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	T4,T5,T6
0	Covered	T4,T5,T6

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	8548505	1711	0	0
SrcPulseCheck_M	1026056372	1750	0	0

DstPulseCheck_A

Name	Attempts	Real Successes
Total	8548505	1711
T22	1545	0
T34	5906	9
T35	24747	9
T36	6770	9
T46	0	10
T47	0	1
T49	0	1
T57	0	7
T59	0	4
T71	492	0
T72	525	0
T96	0	1
T99	440	0
T100	502	0
T101	507	0
T102	424	0
T103	0	1

SrcPulseCheck_M

Name	Attempts	Real Successes
Total	1026056372	1750
T22	56541	0
T34	825416	9
T35	618686	9
T36	809098	9
T46	0	10
T47	0	1
T49	0	1
T57	0	7
T59	0	4
T71	192078	0
T72	68279	0
T96	0	1
T99	55110	0
T100	120764	0
T101	33018	0
T102	103850	0
T103	0	1

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:       T4 T5 T6 
32         1/1                src_level <= 1'b0;
           Tests:       T4 T5 T6 
33                          end else begin
34         1/1                src_level <= src_level ^ src_pulse_i;
           Tests:       T4 T5 T6 
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:       T4 T5 T6 
90         1/1                dst_level_q <= 1'b0;
           Tests:       T4 T5 T6 
91                          end else begin
92         1/1                dst_level_q <= dst_level;
           Tests:       T4 T5 T6 
93                          end
94                        end
95                      
96                        // edge detection
97         1/1            assign dst_pulse_o = dst_level_q ^ dst_level;
           Tests:       T4 T5 T6

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	T4,T5,T6
0	1	Covered	T34,T35,T36
1	0	Covered	T34,T35,T36
1	1	Covered	T34,T36,T41

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

-1-	-2-	Status	Tests
0	0	Covered	T4,T5,T6
0	1	Covered	T34,T35,T36
1	0	Covered	T34,T36,T41
1	1	Covered	T34,T35,T36

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	T4,T5,T6
0	Covered	T4,T5,T6



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	T4,T5,T6
0	Covered	T4,T5,T6

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	1026056372	1741	0	0
SrcPulseCheck_M	8548505	1741	0	0

DstPulseCheck_A

Name	Attempts	Real Successes
Total	1026056372	1741
T22	56541	0
T34	825416	9
T35	618686	9
T36	809098	9
T46	0	10
T47	0	1
T49	0	1
T57	0	7
T59	0	4
T71	192078	0
T72	68279	0
T96	0	1
T99	55110	0
T100	120764	0
T101	33018	0
T102	103850	0
T103	0	1

SrcPulseCheck_M

Name	Attempts	Real Successes
Total	8548505	1741
T22	1545	0
T34	5906	9
T35	24747	9
T36	6770	9
T46	0	10
T47	0	1
T49	0	1
T57	0	7
T59	0	4
T71	492	0
T72	525	0
T96	0	1
T99	440	0
T100	502	0
T101	507	0
T102	424	0
T103	0	1

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:       T4 T5 T6 
32         1/1                src_level <= 1'b0;
           Tests:       T4 T5 T6 
33                          end else begin
34         1/1                src_level <= src_level ^ src_pulse_i;
           Tests:       T4 T5 T6 
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:       T4 T5 T6 
90         1/1                dst_level_q <= 1'b0;
           Tests:       T4 T5 T6 
91                          end else begin
92         1/1                dst_level_q <= dst_level;
           Tests:       T4 T5 T6 
93                          end
94                        end
95                      
96                        // edge detection
97         1/1            assign dst_pulse_o = dst_level_q ^ dst_level;
           Tests:       T34 T35 T36

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	T4,T5,T6
0	1	Covered	T34,T35,T36
1	0	Covered	T34,T35,T36
1	1	Covered	T34,T36,T41

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

-1-	-2-	Status	Tests
0	0	Covered	T4,T5,T6
0	1	Covered	T34,T35,T36
1	0	Covered	T34,T36,T41
1	1	Covered	T34,T35,T36

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	T4,T5,T6
0	Covered	T4,T5,T6



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	T4,T5,T6
0	Covered	T4,T5,T6

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	8548505	1679	0	0
SrcPulseCheck_M	1026056372	1722	0	0

DstPulseCheck_A

Name	Attempts	Real Successes
Total	8548505	1679
T22	1545	0
T34	5906	9
T35	24747	9
T36	6770	9
T46	0	10
T47	0	1
T49	0	1
T57	0	7
T59	0	4
T71	492	0
T72	525	0
T96	0	1
T99	440	0
T100	502	0
T101	507	0
T102	424	0
T103	0	1

SrcPulseCheck_M

Name	Attempts	Real Successes
Total	1026056372	1722
T22	56541	0
T34	825416	9
T35	618686	9
T36	809098	9
T46	0	10
T47	0	1
T49	0	1
T57	0	7
T59	0	4
T71	192078	0
T72	68279	0
T96	0	1
T99	55110	0
T100	120764	0
T101	33018	0
T102	103850	0
T103	0	1

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:       T4 T5 T6 
32         1/1                src_level <= 1'b0;
           Tests:       T4 T5 T6 
33                          end else begin
34         1/1                src_level <= src_level ^ src_pulse_i;
           Tests:       T4 T5 T6 
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:       T4 T5 T6 
90         1/1                dst_level_q <= 1'b0;
           Tests:       T4 T5 T6 
91                          end else begin
92         1/1                dst_level_q <= dst_level;
           Tests:       T4 T5 T6 
93                          end
94                        end
95                      
96                        // edge detection
97         1/1            assign dst_pulse_o = dst_level_q ^ dst_level;
           Tests:       T4 T5 T6

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	T4,T5,T6
0	1	Covered	T34,T35,T36
1	0	Covered	T34,T35,T36
1	1	Covered	T34,T36,T41

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

-1-	-2-	Status	Tests
0	0	Covered	T4,T5,T6
0	1	Covered	T34,T35,T36
1	0	Covered	T34,T36,T41
1	1	Covered	T34,T35,T36

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	T4,T5,T6
0	Covered	T4,T5,T6



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	T4,T5,T6
0	Covered	T4,T5,T6

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	1026056372	1717	0	0
SrcPulseCheck_M	8548505	1717	0	0

DstPulseCheck_A

Name	Attempts	Real Successes
Total	1026056372	1717
T22	56541	0
T34	825416	9
T35	618686	9
T36	809098	9
T46	0	10
T47	0	1
T49	0	1
T57	0	7
T59	0	4
T71	192078	0
T72	68279	0
T96	0	1
T99	55110	0
T100	120764	0
T101	33018	0
T102	103850	0
T103	0	1

SrcPulseCheck_M

Name	Attempts	Real Successes
Total	8548505	1717
T22	1545	0
T34	5906	9
T35	24747	9
T36	6770	9
T46	0	10
T47	0	1
T49	0	1
T57	0	7
T59	0	4
T71	492	0
T72	525	0
T96	0	1
T99	440	0
T100	502	0
T101	507	0
T102	424	0
T103	0	1

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:       T4 T5 T6 
32         1/1                src_level <= 1'b0;
           Tests:       T4 T5 T6 
33                          end else begin
34         1/1                src_level <= src_level ^ src_pulse_i;
           Tests:       T4 T5 T6 
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:       T4 T5 T6 
90         1/1                dst_level_q <= 1'b0;
           Tests:       T4 T5 T6 
91                          end else begin
92         1/1                dst_level_q <= dst_level;
           Tests:       T4 T5 T6 
93                          end
94                        end
95                      
96                        // edge detection
97         1/1            assign dst_pulse_o = dst_level_q ^ dst_level;
           Tests:       T1 T15 T17

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	T4,T5,T6
0	1	Covered	T1,T15,T17
1	0	Covered	T1,T15,T17
1	1	Covered	T34,T36,T41

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

-1-	-2-	Status	Tests
0	0	Covered	T4,T5,T6
0	1	Covered	T1,T15,T17
1	0	Covered	T34,T36,T41
1	1	Covered	T1,T15,T17

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	T4,T5,T6
0	Covered	T4,T5,T6



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	T4,T5,T6
0	Covered	T4,T5,T6

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	8548505	1647	0	0
SrcPulseCheck_M	1026056372	1686	0	0

DstPulseCheck_A

Name	Attempts	Real Successes
Total	8548505	1647
T1	509	1
T2	655	0
T3	478	1
T9	0	1
T10	0	1
T12	0	1
T14	424	0
T15	443	1
T16	501	0
T17	475	1
T18	522	0
T19	2161	0
T20	402	0
T60	0	1
T61	0	1
T62	0	1

SrcPulseCheck_M

Name	Attempts	Real Successes
Total	1026056372	1686
T1	249622	1
T2	160572	0
T3	117341	1
T9	0	1
T10	0	1
T12	0	1
T14	53100	0
T15	217292	1
T16	251188	0
T17	54679	1
T18	219434	0
T19	259324	0
T20	138841	0
T60	0	1
T61	0	1
T62	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:       T4 T5 T6 
32         1/1                src_level <= 1'b0;
           Tests:       T4 T5 T6 
33                          end else begin
34         1/1                src_level <= src_level ^ src_pulse_i;
           Tests:       T4 T5 T6 
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:       T4 T5 T6 
90         1/1                dst_level_q <= 1'b0;
           Tests:       T4 T5 T6 
91                          end else begin
92         1/1                dst_level_q <= dst_level;
           Tests:       T4 T5 T6 
93                          end
94                        end
95                      
96                        // edge detection
97         1/1            assign dst_pulse_o = dst_level_q ^ dst_level;
           Tests:       T4 T5 T6

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	T4,T5,T6
0	1	Covered	T1,T15,T17
1	0	Covered	T1,T15,T17
1	1	Covered	T34,T36,T41

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

-1-	-2-	Status	Tests
0	0	Covered	T4,T5,T6
0	1	Covered	T1,T15,T17
1	0	Covered	T34,T36,T41
1	1	Covered	T1,T15,T17

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	T4,T5,T6
0	Covered	T4,T5,T6



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	T4,T5,T6
0	Covered	T4,T5,T6

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	1026056372	1680	0	0
SrcPulseCheck_M	8548505	1680	0	0

DstPulseCheck_A

Name	Attempts	Real Successes
Total	1026056372	1680
T1	249622	1
T2	160572	0
T3	117341	1
T9	0	1
T10	0	1
T12	0	1
T14	53100	0
T15	217292	1
T16	251188	0
T17	54679	1
T18	219434	0
T19	259324	0
T20	138841	0
T60	0	1
T61	0	1
T62	0	1

SrcPulseCheck_M

Name	Attempts	Real Successes
Total	8548505	1680
T1	509	1
T2	655	0
T3	478	1
T9	0	1
T10	0	1
T12	0	1
T14	424	0
T15	443	1
T16	501	0
T17	475	1
T18	522	0
T19	2161	0
T20	402	0
T60	0	1
T61	0	1
T62	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:       T4 T5 T6 
32         1/1                src_level <= 1'b0;
           Tests:       T4 T5 T6 
33                          end else begin
34         1/1                src_level <= src_level ^ src_pulse_i;
           Tests:       T4 T5 T6 
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:       T4 T5 T6 
90         1/1                dst_level_q <= 1'b0;
           Tests:       T4 T5 T6 
91                          end else begin
92         1/1                dst_level_q <= dst_level;
           Tests:       T4 T5 T6 
93                          end
94                        end
95                      
96                        // edge detection
97         1/1            assign dst_pulse_o = dst_level_q ^ dst_level;
           Tests:       T34 T35 T36

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	T4,T5,T6
0	1	Covered	T34,T35,T36
1	0	Covered	T34,T35,T36
1	1	Covered	T34,T36,T41

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

-1-	-2-	Status	Tests
0	0	Covered	T4,T5,T6
0	1	Covered	T34,T35,T36
1	0	Covered	T34,T36,T41
1	1	Covered	T34,T35,T36

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	T4,T5,T6
0	Covered	T4,T5,T6



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	T4,T5,T6
0	Covered	T4,T5,T6

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	8548505	1678	0	0
SrcPulseCheck_M	1026056372	1715	0	0

DstPulseCheck_A

Name	Attempts	Real Successes
Total	8548505	1678
T22	1545	0
T34	5906	9
T35	24747	9
T36	6770	9
T46	0	10
T47	0	1
T49	0	1
T57	0	7
T59	0	4
T71	492	0
T72	525	0
T96	0	1
T99	440	0
T100	502	0
T101	507	0
T102	424	0
T103	0	1

SrcPulseCheck_M

Name	Attempts	Real Successes
Total	1026056372	1715
T22	56541	0
T34	825416	9
T35	618686	9
T36	809098	9
T46	0	10
T47	0	1
T49	0	1
T57	0	7
T59	0	4
T71	192078	0
T72	68279	0
T96	0	1
T99	55110	0
T100	120764	0
T101	33018	0
T102	103850	0
T103	0	1

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:       T4 T5 T6 
32         1/1                src_level <= 1'b0;
           Tests:       T4 T5 T6 
33                          end else begin
34         1/1                src_level <= src_level ^ src_pulse_i;
           Tests:       T4 T5 T6 
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:       T4 T5 T6 
90         1/1                dst_level_q <= 1'b0;
           Tests:       T4 T5 T6 
91                          end else begin
92         1/1                dst_level_q <= dst_level;
           Tests:       T4 T5 T6 
93                          end
94                        end
95                      
96                        // edge detection
97         1/1            assign dst_pulse_o = dst_level_q ^ dst_level;
           Tests:       T4 T5 T6

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	T4,T5,T6
0	1	Covered	T34,T35,T36
1	0	Covered	T34,T35,T36
1	1	Covered	T34,T36,T41

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

-1-	-2-	Status	Tests
0	0	Covered	T4,T5,T6
0	1	Covered	T34,T35,T36
1	0	Covered	T34,T36,T41
1	1	Covered	T34,T35,T36

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	T4,T5,T6
0	Covered	T4,T5,T6



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	T4,T5,T6
0	Covered	T4,T5,T6

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	1026056372	1709	0	0
SrcPulseCheck_M	8548505	1709	0	0

DstPulseCheck_A

Name	Attempts	Real Successes
Total	1026056372	1709
T22	56541	0
T34	825416	9
T35	618686	9
T36	809098	9
T46	0	10
T47	0	1
T49	0	1
T57	0	7
T59	0	4
T71	192078	0
T72	68279	0
T96	0	1
T99	55110	0
T100	120764	0
T101	33018	0
T102	103850	0
T103	0	1

SrcPulseCheck_M

Name	Attempts	Real Successes
Total	8548505	1709
T22	1545	0
T34	5906	9
T35	24747	9
T36	6770	9
T46	0	10
T47	0	1
T49	0	1
T57	0	7
T59	0	4
T71	492	0
T72	525	0
T96	0	1
T99	440	0
T100	502	0
T101	507	0
T102	424	0
T103	0	1

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:       T4 T5 T6 
32         1/1                src_level <= 1'b0;
           Tests:       T4 T5 T6 
33                          end else begin
34         1/1                src_level <= src_level ^ src_pulse_i;
           Tests:       T4 T5 T6 
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:       T4 T5 T6 
90         1/1                dst_level_q <= 1'b0;
           Tests:       T4 T5 T6 
91                          end else begin
92         1/1                dst_level_q <= dst_level;
           Tests:       T4 T5 T6 
93                          end
94                        end
95                      
96                        // edge detection
97         1/1            assign dst_pulse_o = dst_level_q ^ dst_level;
           Tests:       T34 T35 T36

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	T4,T5,T6
0	1	Covered	T34,T35,T36
1	0	Covered	T34,T35,T36
1	1	Covered	T34,T36,T41

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

-1-	-2-	Status	Tests
0	0	Covered	T4,T5,T6
0	1	Covered	T34,T35,T36
1	0	Covered	T34,T36,T41
1	1	Covered	T34,T35,T36

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	T4,T5,T6
0	Covered	T4,T5,T6



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	T4,T5,T6
0	Covered	T4,T5,T6

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	8548505	1623	0	0
SrcPulseCheck_M	1026056372	1661	0	0

DstPulseCheck_A

Name	Attempts	Real Successes
Total	8548505	1623
T22	1545	0
T34	5906	9
T35	24747	9
T36	6770	9
T46	0	10
T47	0	1
T49	0	1
T57	0	7
T59	0	4
T71	492	0
T72	525	0
T96	0	1
T99	440	0
T100	502	0
T101	507	0
T102	424	0
T103	0	1

SrcPulseCheck_M

Name	Attempts	Real Successes
Total	1026056372	1661
T22	56541	0
T34	825416	9
T35	618686	9
T36	809098	9
T46	0	10
T47	0	1
T49	0	1
T57	0	7
T59	0	4
T71	192078	0
T72	68279	0
T96	0	1
T99	55110	0
T100	120764	0
T101	33018	0
T102	103850	0
T103	0	1

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:       T4 T5 T6 
32         1/1                src_level <= 1'b0;
           Tests:       T4 T5 T6 
33                          end else begin
34         1/1                src_level <= src_level ^ src_pulse_i;
           Tests:       T4 T5 T6 
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:       T4 T5 T6 
90         1/1                dst_level_q <= 1'b0;
           Tests:       T4 T5 T6 
91                          end else begin
92         1/1                dst_level_q <= dst_level;
           Tests:       T4 T5 T6 
93                          end
94                        end
95                      
96                        // edge detection
97         1/1            assign dst_pulse_o = dst_level_q ^ dst_level;
           Tests:       T4 T5 T6

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	T4,T5,T6
0	1	Covered	T34,T35,T36
1	0	Covered	T34,T35,T36
1	1	Covered	T34,T36,T41

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

-1-	-2-	Status	Tests
0	0	Covered	T4,T5,T6
0	1	Covered	T34,T35,T36
1	0	Covered	T34,T36,T41
1	1	Covered	T34,T35,T36

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	T4,T5,T6
0	Covered	T4,T5,T6



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	T4,T5,T6
0	Covered	T4,T5,T6

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	1026056372	1656	0	0
SrcPulseCheck_M	8548505	1656	0	0

DstPulseCheck_A

Name	Attempts	Real Successes
Total	1026056372	1656
T22	56541	0
T34	825416	9
T35	618686	9
T36	809098	9
T46	0	10
T47	0	1
T49	0	1
T57	0	7
T59	0	4
T71	192078	0
T72	68279	0
T96	0	1
T99	55110	0
T100	120764	0
T101	33018	0
T102	103850	0
T103	0	1

SrcPulseCheck_M

Name	Attempts	Real Successes
Total	8548505	1656
T22	1545	0
T34	5906	9
T35	24747	9
T36	6770	9
T46	0	10
T47	0	1
T49	0	1
T57	0	7
T59	0	4
T71	492	0
T72	525	0
T96	0	1
T99	440	0
T100	502	0
T101	507	0
T102	424	0
T103	0	1

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:       T4 T5 T6 
32         1/1                src_level <= 1'b0;
           Tests:       T4 T5 T6 
33                          end else begin
34         1/1                src_level <= src_level ^ src_pulse_i;
           Tests:       T4 T5 T6 
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:       T4 T5 T6 
90         1/1                dst_level_q <= 1'b0;
           Tests:       T4 T5 T6 
91                          end else begin
92         1/1                dst_level_q <= dst_level;
           Tests:       T4 T5 T6 
93                          end
94                        end
95                      
96                        // edge detection
97         1/1            assign dst_pulse_o = dst_level_q ^ dst_level;
           Tests:       T34 T35 T36

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	T4,T5,T6
0	1	Covered	T34,T35,T36
1	0	Covered	T34,T35,T36
1	1	Covered	T34,T36,T41

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

-1-	-2-	Status	Tests
0	0	Covered	T4,T5,T6
0	1	Covered	T34,T35,T36
1	0	Covered	T34,T36,T41
1	1	Covered	T34,T35,T36

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	T4,T5,T6
0	Covered	T4,T5,T6



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	T4,T5,T6
0	Covered	T4,T5,T6

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	8548505	1655	0	0
SrcPulseCheck_M	1026056372	1691	0	0

DstPulseCheck_A

Name	Attempts	Real Successes
Total	8548505	1655
T22	1545	0
T34	5906	9
T35	24747	9
T36	6770	9
T46	0	10
T47	0	1
T49	0	1
T57	0	7
T59	0	4
T71	492	0
T72	525	0
T96	0	1
T99	440	0
T100	502	0
T101	507	0
T102	424	0
T103	0	1

SrcPulseCheck_M

Name	Attempts	Real Successes
Total	1026056372	1691
T22	56541	0
T34	825416	9
T35	618686	9
T36	809098	9
T46	0	10
T47	0	1
T49	0	1
T57	0	7
T59	0	4
T71	192078	0
T72	68279	0
T96	0	1
T99	55110	0
T100	120764	0
T101	33018	0
T102	103850	0
T103	0	1

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:       T4 T5 T6 
32         1/1                src_level <= 1'b0;
           Tests:       T4 T5 T6 
33                          end else begin
34         1/1                src_level <= src_level ^ src_pulse_i;
           Tests:       T4 T5 T6 
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:       T4 T5 T6 
90         1/1                dst_level_q <= 1'b0;
           Tests:       T4 T5 T6 
91                          end else begin
92         1/1                dst_level_q <= dst_level;
           Tests:       T4 T5 T6 
93                          end
94                        end
95                      
96                        // edge detection
97         1/1            assign dst_pulse_o = dst_level_q ^ dst_level;
           Tests:       T4 T5 T6

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	T4,T5,T6
0	1	Covered	T34,T35,T36
1	0	Covered	T34,T35,T36
1	1	Covered	T34,T36,T41

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

-1-	-2-	Status	Tests
0	0	Covered	T4,T5,T6
0	1	Covered	T34,T35,T36
1	0	Covered	T34,T36,T41
1	1	Covered	T34,T35,T36

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	T4,T5,T6
0	Covered	T4,T5,T6



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	T4,T5,T6
0	Covered	T4,T5,T6

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	1026056372	1684	0	0
SrcPulseCheck_M	8548505	1684	0	0

DstPulseCheck_A

Name	Attempts	Real Successes
Total	1026056372	1684
T22	56541	0
T34	825416	9
T35	618686	9
T36	809098	9
T46	0	10
T47	0	1
T49	0	1
T57	0	7
T59	0	4
T71	192078	0
T72	68279	0
T96	0	1
T99	55110	0
T100	120764	0
T101	33018	0
T102	103850	0
T103	0	1

SrcPulseCheck_M

Name	Attempts	Real Successes
Total	8548505	1684
T22	1545	0
T34	5906	9
T35	24747	9
T36	6770	9
T46	0	10
T47	0	1
T49	0	1
T57	0	7
T59	0	4
T71	492	0
T72	525	0
T96	0	1
T99	440	0
T100	502	0
T101	507	0
T102	424	0
T103	0	1

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