Module Definition
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Module : prim_pulse_sync
SCORELINECONDTOGGLEFSMBRANCHASSERT
100.00 100.00 100.00 100.00 100.00

Source File(s) :
/workspaces/repo/scratch/os_regression_2024_09_03/spi_device_1r1w-sim-vcs/default/sim-vcs/../src/lowrisc_prim_all_0.1/rtl/prim_pulse_sync.sv

Module self-instances :
NAMESCORELINECONDTOGGLEFSMBRANCHASSERT
tb.dut.u_flash_readbuf_watermark_pulse_sync 100.00 100.00 100.00 100.00 100.00
tb.dut.u_flash_readbuf_flip_pulse_sync 100.00 100.00 100.00 100.00 100.00
tb.dut.u_upload.u_payloadptr_clr_psync 100.00 100.00 100.00 100.00 100.00


Module Instance : tb.dut.u_flash_readbuf_watermark_pulse_sync

Instance :
SCORELINECONDTOGGLEFSMBRANCHASSERT
100.00 100.00 100.00 100.00 100.00


Instance's subtree :
SCORELINECONDTOGGLEFSMBRANCHASSERT
100.00 100.00 100.00 100.00 100.00


Parent :
SCORELINECONDTOGGLEFSMBRANCHASSERTNAME
92.52 95.20 84.31 97.00 90.62 95.45 dut


Subtrees :
NAMESCORELINECONDTOGGLEFSMBRANCHASSERT
prim_flop_2sync 100.00 100.00 100.00


Module Instance : tb.dut.u_flash_readbuf_flip_pulse_sync

Instance :
SCORELINECONDTOGGLEFSMBRANCHASSERT
100.00 100.00 100.00 100.00 100.00


Instance's subtree :
SCORELINECONDTOGGLEFSMBRANCHASSERT
100.00 100.00 100.00 100.00 100.00


Parent :
SCORELINECONDTOGGLEFSMBRANCHASSERTNAME
92.52 95.20 84.31 97.00 90.62 95.45 dut


Subtrees :
NAMESCORELINECONDTOGGLEFSMBRANCHASSERT
prim_flop_2sync 100.00 100.00 100.00


Module Instance : tb.dut.u_upload.u_payloadptr_clr_psync

Instance :
SCORELINECONDTOGGLEFSMBRANCHASSERT
100.00 100.00 100.00 100.00 100.00


Instance's subtree :
SCORELINECONDTOGGLEFSMBRANCHASSERT
100.00 100.00 100.00 100.00 100.00


Parent :
SCORELINECONDTOGGLEFSMBRANCHASSERTNAME
96.37 100.00 86.11 100.00 95.74 100.00 u_upload


Subtrees :
NAMESCORELINECONDTOGGLEFSMBRANCHASSERT
prim_flop_2sync 100.00 100.00 100.00

Line Coverage for Module : prim_pulse_sync
Line No.TotalCoveredPercent
TOTAL77100.00
ALWAYS3133100.00
CONT_ASSIGN4900
CONT_ASSIGN5200
ALWAYS5500
ALWAYS8933100.00
CONT_ASSIGN9711100.00


30                        always_ff @(posedge clk_src_i or negedge rst_src_ni) begin
31         1/1              if (!rst_src_ni) begin
           Tests:       T1 T2 T3 
32         1/1                src_level <= 1'b0;
           Tests:       T1 T2 T3 
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:       T1 T2 T3 
90         1/1                dst_level_q <= 1'b0;
           Tests:       T1 T2 T3 
91                          end else begin
92         1/1                dst_level_q <= dst_level;
           Tests:       T1 T2 T3 
93                          end
94                        end
95                      
96                        // edge detection
97         1/1            assign dst_pulse_o = dst_level_q ^ dst_level;
           Tests:       T1 T2 T3 
Cond Coverage for Module : prim_pulse_sync
TotalCoveredPercent
Conditions88100.00
Logical88100.00
Non-Logical00
Event00

 LINE       34
 EXPRESSION (src_level ^ src_pulse_i)
             ----1----   -----2-----
-1--2-StatusTests
00CoveredT4,T5,T6
01CoveredT12,T49,T47
10CoveredT12,T49,T47
11CoveredT12,T47,T48 

 LINE       97
 EXPRESSION (dst_level_q ^ dst_level)
             -----1-----   ----2----
-1--2-StatusTests
00CoveredT1,T2,T3
01CoveredT12,T49,T47
10CoveredT12,T47,T48
11CoveredT12,T49,T47
Branch Coverage for Module : prim_pulse_sync
Line No.TotalCoveredPercent
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-StatusTests
1 Covered T1,T2,T3
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-StatusTests
1 Covered T1,T2,T3
0 Covered T1,T2,T3

Assert Coverage for Module : prim_pulse_sync
TotalAttemptedPercentSucceeded/MatchedPercent
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

NameAttemptsReal SuccessesFailuresIncomplete
DstPulseCheck_A 1503953574 2872 0 0
SrcPulseCheck_M 461081904 2872 0 0


DstPulseCheck_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 1503953574 2872 0 0
T12 208530 7 0 0
T13 243530 0 0 0
T14 90196 0 0 0
T15 10576 0 0 0
T16 2880 0 0 0
T17 18096 0 0 0
T24 2166 0 0 0
T25 6104 0 0 0
T26 45436 0 0 0
T27 10002 0 0 0
T32 1879 0 0 0
T43 251479 10 0 0
T44 3273 0 0 0
T45 0 5 0 0
T47 0 7 0 0
T48 0 19 0 0
T49 0 1 0 0
T51 0 9 0 0
T54 0 12 0 0
T58 4055 0 0 0
T65 0 2 0 0
T80 0 2 0 0
T81 60802 0 0 0
T82 0 7 0 0
T96 0 5 0 0
T97 0 12 0 0
T98 0 17 0 0
T99 0 5 0 0
T101 0 7 0 0
T103 972 0 0 0
T107 1029 0 0 0
T108 1641 0 0 0
T109 2966 0 0 0
T110 3124 0 0 0
T147 0 5 0 0
T176 0 7 0 0
T177 0 7 0 0
T178 0 5 0 0
T179 0 5 0 0

SrcPulseCheck_M
NameAttemptsReal SuccessesFailuresIncomplete
Total 461081904 2872 0 0
T12 27086 7 0 0
T13 37248 0 0 0
T14 14168 0 0 0
T17 24832 0 0 0
T18 85840 0 0 0
T25 432 0 0 0
T26 92496 0 0 0
T27 7670 0 0 0
T32 360 0 0 0
T38 11998 0 0 0
T39 30512 0 0 0
T43 212143 10 0 0
T44 865 0 0 0
T45 448459 5 0 0
T47 0 7 0 0
T48 0 19 0 0
T49 0 1 0 0
T51 0 9 0 0
T54 0 12 0 0
T58 4176 0 0 0
T60 38407 0 0 0
T65 0 2 0 0
T73 8208 0 0 0
T74 70033 0 0 0
T80 0 2 0 0
T81 55408 0 0 0
T82 22145 7 0 0
T96 0 5 0 0
T97 0 12 0 0
T98 0 17 0 0
T99 0 5 0 0
T101 0 7 0 0
T147 0 5 0 0
T176 0 7 0 0
T177 0 7 0 0
T178 0 5 0 0
T179 0 5 0 0

Line Coverage for Instance : tb.dut.u_flash_readbuf_watermark_pulse_sync
Line No.TotalCoveredPercent
TOTAL77100.00
ALWAYS3133100.00
CONT_ASSIGN4900
CONT_ASSIGN5200
ALWAYS5500
ALWAYS8933100.00
CONT_ASSIGN9711100.00


30                        always_ff @(posedge clk_src_i or negedge rst_src_ni) begin
31         1/1              if (!rst_src_ni) begin
           Tests:       T1 T2 T3 
32         1/1                src_level <= 1'b0;
           Tests:       T1 T2 T3 
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:       T1 T2 T3 
90         1/1                dst_level_q <= 1'b0;
           Tests:       T1 T2 T3 
91                          end else begin
92         1/1                dst_level_q <= dst_level;
           Tests:       T1 T2 T3 
93                          end
94                        end
95                      
96                        // edge detection
97         1/1            assign dst_pulse_o = dst_level_q ^ dst_level;
           Tests:       T1 T2 T3 
Cond Coverage for Instance : tb.dut.u_flash_readbuf_watermark_pulse_sync
TotalCoveredPercent
Conditions88100.00
Logical88100.00
Non-Logical00
Event00

 LINE       34
 EXPRESSION (src_level ^ src_pulse_i)
             ----1----   -----2-----
-1--2-StatusTests
00CoveredT4,T5,T6
01CoveredT12,T49,T47
10CoveredT12,T49,T47
11CoveredT12,T47,T48 

 LINE       97
 EXPRESSION (dst_level_q ^ dst_level)
             -----1-----   ----2----
-1--2-StatusTests
00CoveredT1,T2,T3
01CoveredT12,T49,T47
10CoveredT12,T47,T48
11CoveredT12,T49,T47
Branch Coverage for Instance : tb.dut.u_flash_readbuf_watermark_pulse_sync
Line No.TotalCoveredPercent
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-StatusTests
1 Covered T1,T2,T3
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-StatusTests
1 Covered T1,T2,T3
0 Covered T1,T2,T3

Assert Coverage for Instance : tb.dut.u_flash_readbuf_watermark_pulse_sync
TotalAttemptedPercentSucceeded/MatchedPercent
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

NameAttemptsReal SuccessesFailuresIncomplete
DstPulseCheck_A 501317858 170 0 0
SrcPulseCheck_M 153693968 170 0 0


DstPulseCheck_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 501317858 170 0 0
T12 104265 2 0 0
T13 121765 0 0 0
T14 45098 0 0 0
T15 5288 0 0 0
T16 1440 0 0 0
T17 9048 0 0 0
T24 1083 0 0 0
T25 3052 0 0 0
T26 22718 0 0 0
T27 5001 0 0 0
T47 0 2 0 0
T48 0 10 0 0
T49 0 1 0 0
T82 0 2 0 0
T101 0 2 0 0
T147 0 3 0 0
T176 0 2 0 0
T177 0 2 0 0
T178 0 3 0 0

SrcPulseCheck_M
NameAttemptsReal SuccessesFailuresIncomplete
Total 153693968 170 0 0
T12 13543 2 0 0
T13 18624 0 0 0
T14 7084 0 0 0
T17 12416 0 0 0
T18 42920 0 0 0
T25 216 0 0 0
T26 46248 0 0 0
T27 3835 0 0 0
T38 5999 0 0 0
T39 15256 0 0 0
T47 0 2 0 0
T48 0 10 0 0
T49 0 1 0 0
T82 0 2 0 0
T101 0 2 0 0
T147 0 3 0 0
T176 0 2 0 0
T177 0 2 0 0
T178 0 3 0 0

Line Coverage for Instance : tb.dut.u_flash_readbuf_flip_pulse_sync
Line No.TotalCoveredPercent
TOTAL77100.00
ALWAYS3133100.00
CONT_ASSIGN4900
CONT_ASSIGN5200
ALWAYS5500
ALWAYS8933100.00
CONT_ASSIGN9711100.00


30                        always_ff @(posedge clk_src_i or negedge rst_src_ni) begin
31         1/1              if (!rst_src_ni) begin
           Tests:       T1 T2 T3 
32         1/1                src_level <= 1'b0;
           Tests:       T1 T2 T3 
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:       T1 T2 T3 
90         1/1                dst_level_q <= 1'b0;
           Tests:       T1 T2 T3 
91                          end else begin
92         1/1                dst_level_q <= dst_level;
           Tests:       T1 T2 T3 
93                          end
94                        end
95                      
96                        // edge detection
97         1/1            assign dst_pulse_o = dst_level_q ^ dst_level;
           Tests:       T1 T2 T3 
Cond Coverage for Instance : tb.dut.u_flash_readbuf_flip_pulse_sync
TotalCoveredPercent
Conditions88100.00
Logical88100.00
Non-Logical00
Event00

 LINE       34
 EXPRESSION (src_level ^ src_pulse_i)
             ----1----   -----2-----
-1--2-StatusTests
00CoveredT4,T5,T6
01CoveredT12,T47,T48
10CoveredT12,T47,T48
11CoveredT12,T47,T48 

 LINE       97
 EXPRESSION (dst_level_q ^ dst_level)
             -----1-----   ----2----
-1--2-StatusTests
00CoveredT1,T2,T3
01CoveredT12,T47,T48
10CoveredT12,T47,T48
11CoveredT12,T47,T48
Branch Coverage for Instance : tb.dut.u_flash_readbuf_flip_pulse_sync
Line No.TotalCoveredPercent
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-StatusTests
1 Covered T1,T2,T3
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-StatusTests
1 Covered T1,T2,T3
0 Covered T1,T2,T3

Assert Coverage for Instance : tb.dut.u_flash_readbuf_flip_pulse_sync
TotalAttemptedPercentSucceeded/MatchedPercent
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

NameAttemptsReal SuccessesFailuresIncomplete
DstPulseCheck_A 501317858 325 0 0
SrcPulseCheck_M 153693968 325 0 0


DstPulseCheck_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 501317858 325 0 0
T12 104265 5 0 0
T13 121765 0 0 0
T14 45098 0 0 0
T15 5288 0 0 0
T16 1440 0 0 0
T17 9048 0 0 0
T24 1083 0 0 0
T25 3052 0 0 0
T26 22718 0 0 0
T27 5001 0 0 0
T47 0 5 0 0
T48 0 9 0 0
T82 0 5 0 0
T101 0 5 0 0
T147 0 2 0 0
T176 0 5 0 0
T177 0 5 0 0
T178 0 2 0 0
T179 0 5 0 0

SrcPulseCheck_M
NameAttemptsReal SuccessesFailuresIncomplete
Total 153693968 325 0 0
T12 13543 5 0 0
T13 18624 0 0 0
T14 7084 0 0 0
T17 12416 0 0 0
T18 42920 0 0 0
T25 216 0 0 0
T26 46248 0 0 0
T27 3835 0 0 0
T38 5999 0 0 0
T39 15256 0 0 0
T47 0 5 0 0
T48 0 9 0 0
T82 0 5 0 0
T101 0 5 0 0
T147 0 2 0 0
T176 0 5 0 0
T177 0 5 0 0
T178 0 2 0 0
T179 0 5 0 0

Line Coverage for Instance : tb.dut.u_upload.u_payloadptr_clr_psync
Line No.TotalCoveredPercent
TOTAL77100.00
ALWAYS3133100.00
CONT_ASSIGN4900
CONT_ASSIGN5200
ALWAYS5500
ALWAYS8933100.00
CONT_ASSIGN9711100.00


30                        always_ff @(posedge clk_src_i or negedge rst_src_ni) begin
31         1/1              if (!rst_src_ni) begin
           Tests:       T1 T2 T3 
32         1/1                src_level <= 1'b0;
           Tests:       T1 T2 T3 
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:       T1 T2 T3 
90         1/1                dst_level_q <= 1'b0;
           Tests:       T1 T2 T3 
91                          end else begin
92         1/1                dst_level_q <= dst_level;
           Tests:       T1 T2 T3 
93                          end
94                        end
95                      
96                        // edge detection
97         1/1            assign dst_pulse_o = dst_level_q ^ dst_level;
           Tests:       T1 T2 T3 
Cond Coverage for Instance : tb.dut.u_upload.u_payloadptr_clr_psync
TotalCoveredPercent
Conditions88100.00
Logical88100.00
Non-Logical00
Event00

 LINE       34
 EXPRESSION (src_level ^ src_pulse_i)
             ----1----   -----2-----
-1--2-StatusTests
00CoveredT4,T5,T6
01CoveredT43,T45,T54
10CoveredT43,T45,T54
11CoveredT43,T45,T54 

 LINE       97
 EXPRESSION (dst_level_q ^ dst_level)
             -----1-----   ----2----
-1--2-StatusTests
00CoveredT1,T2,T3
01CoveredT43,T45,T54
10CoveredT43,T45,T54
11CoveredT43,T45,T54
Branch Coverage for Instance : tb.dut.u_upload.u_payloadptr_clr_psync
Line No.TotalCoveredPercent
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-StatusTests
1 Covered T1,T2,T3
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-StatusTests
1 Covered T1,T2,T3
0 Covered T1,T2,T3

Assert Coverage for Instance : tb.dut.u_upload.u_payloadptr_clr_psync
TotalAttemptedPercentSucceeded/MatchedPercent
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

NameAttemptsReal SuccessesFailuresIncomplete
DstPulseCheck_A 501317858 2377 0 0
SrcPulseCheck_M 153693968 2377 0 0


DstPulseCheck_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 501317858 2377 0 0
T32 1879 0 0 0
T43 251479 10 0 0
T44 3273 0 0 0
T45 0 5 0 0
T51 0 9 0 0
T54 0 12 0 0
T58 4055 0 0 0
T65 0 2 0 0
T80 0 2 0 0
T81 60802 0 0 0
T96 0 5 0 0
T97 0 12 0 0
T98 0 17 0 0
T99 0 5 0 0
T103 972 0 0 0
T107 1029 0 0 0
T108 1641 0 0 0
T109 2966 0 0 0
T110 3124 0 0 0

SrcPulseCheck_M
NameAttemptsReal SuccessesFailuresIncomplete
Total 153693968 2377 0 0
T32 360 0 0 0
T43 212143 10 0 0
T44 865 0 0 0
T45 448459 5 0 0
T51 0 9 0 0
T54 0 12 0 0
T58 4176 0 0 0
T60 38407 0 0 0
T65 0 2 0 0
T73 8208 0 0 0
T74 70033 0 0 0
T80 0 2 0 0
T81 55408 0 0 0
T82 22145 0 0 0
T96 0 5 0 0
T97 0 12 0 0
T98 0 17 0 0
T99 0 5 0 0

0% 10% 20% 30% 40% 50% 60% 70% 80% 90% 100%