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Module Instance : tb.dut.u_sysrst_ctrl_keyintr.gen_keyfsm[4].u_sysrst_ctrl_detect_l2h

Instance :
SCORELINECONDTOGGLEFSMBRANCHASSERT
95.94 95.65 95.45 100.00 95.24 93.33


Instance's subtree :
SCORELINECONDTOGGLEFSMBRANCHASSERT
95.94 95.65 95.45 100.00 95.24 93.33


Parent :
SCORELINECONDTOGGLEFSMBRANCHASSERTNAME
100.00 100.00 u_sysrst_ctrl_keyintr


Subtrees :
NAMESCORELINECONDTOGGLEFSMBRANCHASSERT
no children


Module Instance : tb.dut.u_sysrst_ctrl_keyintr.gen_keyfsm[4].u_sysrst_ctrl_detect_h2l

Instance :
SCORELINECONDTOGGLEFSMBRANCHASSERT
91.78 95.65 90.91 83.33 95.24 93.75


Instance's subtree :
SCORELINECONDTOGGLEFSMBRANCHASSERT
91.78 95.65 90.91 83.33 95.24 93.75


Parent :
SCORELINECONDTOGGLEFSMBRANCHASSERTNAME
100.00 100.00 u_sysrst_ctrl_keyintr


Subtrees :
NAMESCORELINECONDTOGGLEFSMBRANCHASSERT
no children


Module Instance : tb.dut.u_sysrst_ctrl_keyintr.gen_keyfsm[5].u_sysrst_ctrl_detect_l2h

Instance :
SCORELINECONDTOGGLEFSMBRANCHASSERT
99.09 100.00 95.45 100.00 100.00 100.00


Instance's subtree :
SCORELINECONDTOGGLEFSMBRANCHASSERT
99.09 100.00 95.45 100.00 100.00 100.00


Parent :
SCORELINECONDTOGGLEFSMBRANCHASSERTNAME
100.00 100.00 u_sysrst_ctrl_keyintr


Subtrees :
NAMESCORELINECONDTOGGLEFSMBRANCHASSERT
no children


Module Instance : tb.dut.u_sysrst_ctrl_keyintr.gen_keyfsm[5].u_sysrst_ctrl_detect_h2l

Instance :
SCORELINECONDTOGGLEFSMBRANCHASSERT
90.39 93.48 90.91 83.33 90.48 93.75


Instance's subtree :
SCORELINECONDTOGGLEFSMBRANCHASSERT
90.39 93.48 90.91 83.33 90.48 93.75


Parent :
SCORELINECONDTOGGLEFSMBRANCHASSERTNAME
100.00 100.00 u_sysrst_ctrl_keyintr


Subtrees :
NAMESCORELINECONDTOGGLEFSMBRANCHASSERT
no children


Module Instance : tb.dut.u_sysrst_ctrl_keyintr.gen_keyfsm[6].u_sysrst_ctrl_detect_l2h

Instance :
SCORELINECONDTOGGLEFSMBRANCHASSERT
99.09 100.00 95.45 100.00 100.00 100.00


Instance's subtree :
SCORELINECONDTOGGLEFSMBRANCHASSERT
99.09 100.00 95.45 100.00 100.00 100.00


Parent :
SCORELINECONDTOGGLEFSMBRANCHASSERTNAME
100.00 100.00 u_sysrst_ctrl_keyintr


Subtrees :
NAMESCORELINECONDTOGGLEFSMBRANCHASSERT
no children


Module Instance : tb.dut.u_sysrst_ctrl_keyintr.gen_keyfsm[6].u_sysrst_ctrl_detect_h2l

Instance :
SCORELINECONDTOGGLEFSMBRANCHASSERT
91.78 95.65 90.91 83.33 95.24 93.75


Instance's subtree :
SCORELINECONDTOGGLEFSMBRANCHASSERT
91.78 95.65 90.91 83.33 95.24 93.75


Parent :
SCORELINECONDTOGGLEFSMBRANCHASSERTNAME
100.00 100.00 u_sysrst_ctrl_keyintr


Subtrees :
NAMESCORELINECONDTOGGLEFSMBRANCHASSERT
no children

Go back
Module Instances:
tb.dut.u_sysrst_ctrl_keyintr.gen_keyfsm[4].u_sysrst_ctrl_detect_l2h
tb.dut.u_sysrst_ctrl_keyintr.gen_keyfsm[4].u_sysrst_ctrl_detect_h2l
tb.dut.u_sysrst_ctrl_keyintr.gen_keyfsm[5].u_sysrst_ctrl_detect_l2h
tb.dut.u_sysrst_ctrl_keyintr.gen_keyfsm[5].u_sysrst_ctrl_detect_h2l
tb.dut.u_sysrst_ctrl_keyintr.gen_keyfsm[6].u_sysrst_ctrl_detect_l2h
tb.dut.u_sysrst_ctrl_keyintr.gen_keyfsm[6].u_sysrst_ctrl_detect_h2l
Line Coverage for Instance : tb.dut.u_sysrst_ctrl_keyintr.gen_keyfsm[4].u_sysrst_ctrl_detect_l2h
Line No.TotalCoveredPercent
TOTAL464495.65
CONT_ASSIGN6011100.00
ALWAYS6933100.00
CONT_ASSIGN7611100.00
CONT_ASSIGN9211100.00
CONT_ASSIGN9911100.00
CONT_ASSIGN10111100.00
ALWAYS10433100.00
ALWAYS125323093.75
ALWAYS21933100.00

59 end else begin : gen_trigger_active_high 60 1/1 assign trigger_active = (trigger_i == 1'b1); Tests: T4 T5 T6  61 end 62 63 // In case of edge events, we also need to detect the transition. 64 logic trigger_event; 65 if (EventType inside {EdgeToLow, EdgeToHigh}) begin : gen_trigger_event_edge 66 // This flop is always active, no matter the enable state. 67 logic trigger_active_q; 68 always_ff @(posedge clk_i or negedge rst_ni) begin : p_trigger_reg 69 1/1 if (!rst_ni) begin Tests: T4 T5 T6  70 1/1 trigger_active_q <= 1'b0; Tests: T4 T5 T6  71 end else begin 72 1/1 trigger_active_q <= trigger_active; Tests: T4 T5 T6  73 end 74 end 75 76 1/1 assign trigger_event = trigger_active & ~trigger_active_q; Tests: T4 T5 T6  77 // In case of level events, the event is equal to the level being active. 78 end else begin : gen_trigger_event_level 79 assign trigger_event = trigger_active; 80 end 81 82 ///////////////// 83 // Timer Logic // 84 ///////////////// 85 86 // Take the maximum width of both timer values. 87 localparam int unsigned TimerWidth = 88 (DetectTimerWidth > DebounceTimerWidth) ? DetectTimerWidth : DebounceTimerWidth; 89 90 logic cnt_en, cnt_clr; 91 logic [TimerWidth-1:0] cnt_d, cnt_q; 92 1/1 assign cnt_d = (cnt_clr) ? '0 : Tests: T3 T7 T12  93 (cnt_en) ? cnt_q + 1'b1 : 94 cnt_q; 95 96 97 logic cnt_done, thresh_sel; 98 logic [TimerWidth-1:0] thresh; 99 1/1 assign thresh = (thresh_sel) ? TimerWidth'(cfg_detect_timer_i) : Tests: T6 T1 T19  100 TimerWidth'(cfg_debounce_timer_i); 101 1/1 assign cnt_done = (cnt_q >= thresh); Tests: T6 T1 T19  102 103 always_ff @(posedge clk_i or negedge rst_ni) begin : p_cnt_reg 104 1/1 if (!rst_ni) begin Tests: T4 T5 T6  105 1/1 cnt_q <= '0; Tests: T4 T5 T6  106 end else begin 107 1/1 cnt_q <= cnt_d; Tests: T4 T5 T6  108 end 109 end 110 111 ///////// 112 // FSM // 113 ///////// 114 115 typedef enum logic [1:0] { 116 IdleSt, 117 DebounceSt, 118 DetectSt, 119 StableSt 120 } state_t; 121 122 state_t state_d, state_q; 123 124 always_comb begin : p_fsm 125 1/1 state_d = state_q; Tests: T4 T5 T6  126 127 // Counter controls (clear has priority). 128 1/1 cnt_clr = 1'b0; Tests: T4 T5 T6  129 1/1 cnt_en = 1'b0; Tests: T4 T5 T6  130 131 // Detected outputs 132 1/1 event_detected_o = 1'b0; Tests: T4 T5 T6  133 1/1 event_detected_pulse_o = 1'b0; Tests: T4 T5 T6  134 135 // Threshold select 136 // 0: debounce 137 // 1: detect 138 1/1 thresh_sel = 1'b0; Tests: T4 T5 T6  139 140 1/1 unique case (state_q) Tests: T4 T5 T6  141 //////////////////////////////////////////// 142 // We are waiting for the event to occur. 143 // This can be either a specific level or edge, 144 // depending on the configuration. 145 IdleSt: begin 146 // Stay here if the detector is disabled. 147 1/1 if (trigger_event && cfg_enable_i) begin Tests: T4 T5 T6  148 1/1 state_d = DebounceSt; Tests: T3 T7 T12  149 1/1 cnt_en = 1'b1; Tests: T3 T7 T12  150 end MISSING_ELSE 151 end 152 //////////////////////////////////////////// 153 // If an event has occurred, we back off for 154 // the amount of debounce cycles configured. 155 // Once the timer has expired, we sample the 156 // signal again and check whether it has the 157 // correct level. If so, we move on to the 158 // detection stage, otherwise we fall back. 159 DebounceSt: begin 160 1/1 cnt_en = 1'b1; Tests: T3 T7 T12  161 // Unconditionally go back to idle if the detector is disabled. 162 1/1 if (!cfg_enable_i) begin Tests: T3 T7 T12  163 0/1 ==> state_d = IdleSt; 164 0/1 ==> cnt_clr = 1'b1; 165 1/1 end else if (cnt_done) begin Tests: T3 T7 T12  166 1/1 cnt_clr = 1'b1; Tests: T3 T7 T12  167 1/1 if (trigger_active) begin Tests: T3 T7 T12  168 1/1 state_d = DetectSt; Tests: T3 T7 T12  169 end else begin 170 1/1 state_d = IdleSt; Tests: T3 T228 T189  171 end 172 end MISSING_ELSE 173 end 174 //////////////////////////////////////////// 175 // Once the debounce period has passed, we 176 // check whether the signal remains stable 177 // throughout the entire detection period. 178 // If it is not stable at any cycle, we fall 179 // back to idle. 180 DetectSt: begin 181 1/1 thresh_sel = 1'b1; Tests: T3 T7 T12  182 1/1 cnt_en = 1'b1; Tests: T3 T7 T12  183 // Go back to idle if either the trigger level is not active anymore, or if the 184 // detector is disabled. 185 1/1 if (!cfg_enable_i || !trigger_active) begin Tests: T3 T7 T12  186 1/1 state_d = IdleSt; Tests: T35  187 1/1 cnt_clr = 1'b1; Tests: T35  188 // If the trigger is active, count up. 189 end else begin 190 1/1 if (cnt_done) begin Tests: T3 T7 T12  191 1/1 state_d = StableSt; Tests: T3 T7 T12  192 1/1 cnt_clr = 1'b1; Tests: T3 T7 T12  193 1/1 event_detected_o = 1'b1; Tests: T3 T7 T12  194 1/1 event_detected_pulse_o = 1'b1; Tests: T3 T7 T12  195 end ==> MISSING_ELSE 196 end 197 end 198 //////////////////////////////////////////// 199 // At this point we have detected the event 200 // and monitor whether the signal remains stable. 201 StableSt: begin 202 // Go back to idle if either the trigger level is not active anymore, or if the detector is 203 // disabled. Note that if the detector is sticky, it has to be explicitly disabled in order 204 // to go back to the idle state. 205 1/1 if (!cfg_enable_i || (!trigger_active && !Sticky)) begin Tests: T3 T7 T12  206 1/1 state_d = IdleSt; Tests: T12 T53 T228  207 // Otherwise keep the event detected output signal high. 208 end else begin 209 1/1 event_detected_o = 1'b1; Tests: T3 T7 T12  210 end 211 end 212 //////////////////////////////////////////// 213 // This is a full case statement 214 default: ; Exclude Annotation: VC_COV_UNR 215 endcase // state_q 216 end 217 218 always_ff @(posedge clk_i or negedge rst_ni) begin : p_fsm_reg 219 1/1 if (!rst_ni) begin Tests: T4 T5 T6  220 1/1 state_q <= IdleSt; Tests: T4 T5 T6  221 end else begin 222 1/1 state_q <= state_d; Tests: T4 T5 T6 

Cond Coverage for Instance : tb.dut.u_sysrst_ctrl_keyintr.gen_keyfsm[4].u_sysrst_ctrl_detect_l2h
TotalCoveredPercent
Conditions222195.45
Logical222195.45
Non-Logical00
Event00

 LINE       60
 EXPRESSION (trigger_i == 1'b1)
            ---------1---------
-1-StatusTests
0CoveredT4,T5,T6
1CoveredT4,T5,T6

 LINE       76
 EXPRESSION (trigger_active & ((~gen_trigger_event_edge.trigger_active_q)))
             -------1------   ----------------------2---------------------
-1--2-StatusTests
01CoveredT4,T5,T6
10CoveredT4,T5,T6
11CoveredT4,T5,T6

 LINE       92
 EXPRESSION (cnt_clr ? '0 : (cnt_en ? ((cnt_q + 1'b1)) : cnt_q))
             ---1---
-1-StatusTests
0CoveredT4,T5,T6
1CoveredT3,T7,T12

 LINE       92
 SUB-EXPRESSION (cnt_en ? ((cnt_q + 1'b1)) : cnt_q)
                 ---1--
-1-StatusTests
0CoveredT4,T5,T6
1CoveredT3,T7,T12

 LINE       99
 EXPRESSION (thresh_sel ? (16'(cfg_detect_timer_i)) : (16'(cfg_debounce_timer_i)))
             -----1----
-1-StatusTests
0CoveredT4,T5,T6
1CoveredT3,T7,T12

 LINE       147
 EXPRESSION (trigger_event && cfg_enable_i)
             ------1------    ------2-----
-1--2-StatusTests
01CoveredT3,T7,T12
10CoveredT4,T5,T6
11CoveredT3,T7,T12

 LINE       185
 EXPRESSION (((!cfg_enable_i)) || ((!trigger_active)))
             --------1--------    ---------2---------
-1--2-StatusTests
00CoveredT3,T7,T12
01Not Covered
10CoveredT35

 LINE       205
 EXPRESSION (((!cfg_enable_i)) || (((!trigger_active)) && ((!Sticky))))
             --------1--------    ------------------2-----------------
-1--2-StatusTests
00CoveredT3,T7,T12
01CoveredT12,T53,T228
10CoveredT69

 LINE       205
 SUB-EXPRESSION (((!trigger_active)) && ((!Sticky)))
                 ---------1---------    -----2-----
-1--2-StatusTests
0-CoveredT3,T7,T12
1-CoveredT12,T53,T228

FSM Coverage for Instance : tb.dut.u_sysrst_ctrl_keyintr.gen_keyfsm[4].u_sysrst_ctrl_detect_l2h
Summary for FSM :: state_q
TotalCoveredPercent
States 4 4 100.00 (Not included in score)
Transitions 6 6 100.00
Sequences 0 0

State, Transition and Sequence Details for FSM :: state_q
statesLine No.CoveredTests
DebounceSt 148 Covered T3,T7,T12
DetectSt 168 Covered T3,T7,T12
IdleSt 163 Covered T4,T5,T6
StableSt 191 Covered T3,T7,T12


transitionsLine No.CoveredTests
DebounceSt->DetectSt 168 Covered T3,T7,T12
DebounceSt->IdleSt 163 Covered T3,T228,T189
DetectSt->IdleSt 186 Covered T35
DetectSt->StableSt 191 Covered T3,T7,T12
IdleSt->DebounceSt 148 Covered T3,T7,T12
StableSt->IdleSt 206 Covered T12,T53,T228



Branch Coverage for Instance : tb.dut.u_sysrst_ctrl_keyintr.gen_keyfsm[4].u_sysrst_ctrl_detect_l2h
Line No.TotalCoveredPercent
Branches 21 20 95.24
TERNARY 92 3 3 100.00
TERNARY 99 2 2 100.00
IF 104 2 2 100.00
CASE 140 10 9 90.00
IF 219 2 2 100.00
IF 69 2 2 100.00


92 assign cnt_d = (cnt_clr) ? '0 : -1- ==> 93 (cnt_en) ? cnt_q + 1'b1 : -2- ==> ==>

Branches:
-1--2-StatusTests
1 - Covered T3,T7,T12
0 1 Covered T3,T7,T12
0 0 Covered T4,T5,T6


99 assign thresh = (thresh_sel) ? TimerWidth'(cfg_detect_timer_i) : -1- ==> ==>

Branches:
-1-StatusTests
1 Covered T3,T7,T12
0 Covered T4,T5,T6


104 if (!rst_ni) begin -1- 105 cnt_q <= '0; ==> 106 end else begin 107 cnt_q <= cnt_d; ==>

Branches:
-1-StatusTests
1 Covered T4,T5,T6
0 Covered T4,T5,T6


140 unique case (state_q) -1- 141 //////////////////////////////////////////// 142 // We are waiting for the event to occur. 143 // This can be either a specific level or edge, 144 // depending on the configuration. 145 IdleSt: begin 146 // Stay here if the detector is disabled. 147 if (trigger_event && cfg_enable_i) begin -2- 148 state_d = DebounceSt; ==> 149 cnt_en = 1'b1; 150 end MISSING_ELSE ==> 151 end 152 //////////////////////////////////////////// 153 // If an event has occurred, we back off for 154 // the amount of debounce cycles configured. 155 // Once the timer has expired, we sample the 156 // signal again and check whether it has the 157 // correct level. If so, we move on to the 158 // detection stage, otherwise we fall back. 159 DebounceSt: begin 160 cnt_en = 1'b1; 161 // Unconditionally go back to idle if the detector is disabled. 162 if (!cfg_enable_i) begin -3- 163 state_d = IdleSt; ==> 164 cnt_clr = 1'b1; 165 end else if (cnt_done) begin -4- 166 cnt_clr = 1'b1; 167 if (trigger_active) begin -5- 168 state_d = DetectSt; ==> 169 end else begin 170 state_d = IdleSt; ==> 171 end 172 end MISSING_ELSE ==> 173 end 174 //////////////////////////////////////////// 175 // Once the debounce period has passed, we 176 // check whether the signal remains stable 177 // throughout the entire detection period. 178 // If it is not stable at any cycle, we fall 179 // back to idle. 180 DetectSt: begin 181 thresh_sel = 1'b1; 182 cnt_en = 1'b1; 183 // Go back to idle if either the trigger level is not active anymore, or if the 184 // detector is disabled. 185 if (!cfg_enable_i || !trigger_active) begin -6- 186 state_d = IdleSt; ==> 187 cnt_clr = 1'b1; 188 // If the trigger is active, count up. 189 end else begin 190 if (cnt_done) begin -7- 191 state_d = StableSt; ==> 192 cnt_clr = 1'b1; 193 event_detected_o = 1'b1; 194 event_detected_pulse_o = 1'b1; 195 end MISSING_ELSE ==> (Excluded) Exclude Annotation: VC_COV_UNR 196 end 197 end 198 //////////////////////////////////////////// 199 // At this point we have detected the event 200 // and monitor whether the signal remains stable. 201 StableSt: begin 202 // Go back to idle if either the trigger level is not active anymore, or if the detector is 203 // disabled. Note that if the detector is sticky, it has to be explicitly disabled in order 204 // to go back to the idle state. 205 if (!cfg_enable_i || (!trigger_active && !Sticky)) begin -8- 206 state_d = IdleSt; ==> 207 // Otherwise keep the event detected output signal high. 208 end else begin 209 event_detected_o = 1'b1; ==> 210 end 211 end 212 //////////////////////////////////////////// 213 // This is a full case statement 214 default: ; ==> (Excluded) Exclude Annotation: VC_COV_UNR

Branches:
-1--2--3--4--5--6--7--8-StatusTestsExclude Annotation
IdleSt 1 - - - - - - Covered T3,T7,T12
IdleSt 0 - - - - - - Covered T4,T5,T6
DebounceSt - 1 - - - - - Not Covered
DebounceSt - 0 1 1 - - - Covered T3,T7,T12
DebounceSt - 0 1 0 - - - Covered T3,T228,T189
DebounceSt - 0 0 - - - - Covered T3,T7,T12
DetectSt - - - - 1 - - Covered T35
DetectSt - - - - 0 1 - Covered T3,T7,T12
DetectSt - - - - 0 0 - Excluded VC_COV_UNR
StableSt - - - - - - 1 Covered T12,T53,T228
StableSt - - - - - - 0 Covered T3,T7,T12
default - - - - - - - Excluded VC_COV_UNR


219 if (!rst_ni) begin -1- 220 state_q <= IdleSt; ==> 221 end else begin 222 state_q <= state_d; ==>

Branches:
-1-StatusTests
1 Covered T4,T5,T6
0 Covered T4,T5,T6


69 if (!rst_ni) begin -1- 70 trigger_active_q <= 1'b0; ==> 71 end else begin 72 trigger_active_q <= trigger_active; ==>

Branches:
-1-StatusTests
1 Covered T4,T5,T6
0 Covered T4,T5,T6


Assert Coverage for Instance : tb.dut.u_sysrst_ctrl_keyintr.gen_keyfsm[4].u_sysrst_ctrl_detect_l2h
TotalAttemptedPercentSucceeded/MatchedPercent
Assertions 15 15 100.00 14 93.33
Cover properties 0 0 0
Cover sequences 0 0 0
Total 15 15 100.00 14 93.33




Assertion Details

NameAttemptsReal SuccessesFailuresIncomplete
CntClr_A 7811606 85 0 0
CntIncr_A 7811606 325084 0 0
CntNoWrap_A 7811606 7354531 0 0
DetectStDropOut_A 7811606 0 0 0
DetectedOut_A 7811606 307064 0 0
DetectedPulseOut_A 7811606 38 0 0
DisabledIdleSt_A 7811606 6204839 0 0
DisabledNoDetection_A 7811606 6206744 0 0
EnterDebounceSt_A 7811606 46 0 0
EnterDetectSt_A 7811606 39 0 0
EnterStableSt_A 7811606 38 0 0
PulseIsPulse_A 7811606 38 0 0
StayInStableSt 7811606 307009 0 0
gen_high_level_sva.HighLevelEvent_A 7811606 7356558 0 0
gen_not_sticky_sva.StableStDropOut_A 7811606 20 0 0


CntClr_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 7811606 85 0 0
T3 779 3 0 0
T7 0 2 0 0
T9 506 0 0 0
T12 0 4 0 0
T30 497 0 0 0
T33 470 0 0 0
T35 0 2 0 0
T49 0 2 0 0
T51 0 2 0 0
T53 0 4 0 0
T54 0 2 0 0
T80 409 0 0 0
T81 502 0 0 0
T82 1405 0 0 0
T83 439 0 0 0
T89 510 0 0 0
T91 404 0 0 0
T189 0 1 0 0
T228 0 3 0 0

CntIncr_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 7811606 325084 0 0
T3 779 176 0 0
T7 0 91 0 0
T9 506 0 0 0
T12 0 194 0 0
T30 497 0 0 0
T33 470 0 0 0
T35 0 15 0 0
T49 0 71 0 0
T51 0 73 0 0
T53 0 86 0 0
T54 0 13 0 0
T80 409 0 0 0
T81 502 0 0 0
T82 1405 0 0 0
T83 439 0 0 0
T89 510 0 0 0
T91 404 0 0 0
T189 0 61 0 0
T228 0 152 0 0

CntNoWrap_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 7811606 7354531 0 0
T1 488 87 0 0
T4 496 95 0 0
T5 424 23 0 0
T6 455 54 0 0
T14 792 391 0 0
T15 502 101 0 0
T16 777 376 0 0
T17 429 28 0 0
T18 407 6 0 0
T23 455 54 0 0

DetectStDropOut_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 7811606 0 0 0

DetectedOut_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 7811606 307064 0 0
T3 779 128 0 0
T7 0 91 0 0
T9 506 0 0 0
T12 0 193 0 0
T30 497 0 0 0
T33 470 0 0 0
T49 0 24 0 0
T51 0 504 0 0
T53 0 4 0 0
T54 0 48 0 0
T69 0 14 0 0
T80 409 0 0 0
T81 502 0 0 0
T82 1405 0 0 0
T83 439 0 0 0
T89 510 0 0 0
T91 404 0 0 0
T133 0 100 0 0
T228 0 213 0 0

DetectedPulseOut_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 7811606 38 0 0
T3 779 1 0 0
T7 0 1 0 0
T9 506 0 0 0
T12 0 2 0 0
T30 497 0 0 0
T33 470 0 0 0
T49 0 1 0 0
T51 0 1 0 0
T53 0 2 0 0
T54 0 1 0 0
T69 0 1 0 0
T80 409 0 0 0
T81 502 0 0 0
T82 1405 0 0 0
T83 439 0 0 0
T89 510 0 0 0
T91 404 0 0 0
T133 0 2 0 0
T228 0 1 0 0

DisabledIdleSt_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 7811606 6204839 0 0
T1 488 87 0 0
T4 496 95 0 0
T5 424 23 0 0
T6 455 54 0 0
T14 792 391 0 0
T15 502 101 0 0
T16 777 376 0 0
T17 429 28 0 0
T18 407 6 0 0
T23 455 54 0 0

DisabledNoDetection_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 7811606 6206744 0 0
T1 488 88 0 0
T4 496 96 0 0
T5 424 24 0 0
T6 455 55 0 0
T14 792 392 0 0
T15 502 102 0 0
T16 777 377 0 0
T17 429 29 0 0
T18 407 7 0 0
T23 455 55 0 0

EnterDebounceSt_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 7811606 46 0 0
T3 779 2 0 0
T7 0 1 0 0
T9 506 0 0 0
T12 0 2 0 0
T30 497 0 0 0
T33 470 0 0 0
T35 0 1 0 0
T49 0 1 0 0
T51 0 1 0 0
T53 0 2 0 0
T54 0 1 0 0
T80 409 0 0 0
T81 502 0 0 0
T82 1405 0 0 0
T83 439 0 0 0
T89 510 0 0 0
T91 404 0 0 0
T189 0 1 0 0
T228 0 2 0 0

EnterDetectSt_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 7811606 39 0 0
T3 779 1 0 0
T7 0 1 0 0
T9 506 0 0 0
T12 0 2 0 0
T30 497 0 0 0
T33 470 0 0 0
T35 0 1 0 0
T49 0 1 0 0
T51 0 1 0 0
T53 0 2 0 0
T54 0 1 0 0
T69 0 1 0 0
T80 409 0 0 0
T81 502 0 0 0
T82 1405 0 0 0
T83 439 0 0 0
T89 510 0 0 0
T91 404 0 0 0
T228 0 1 0 0

EnterStableSt_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 7811606 38 0 0
T3 779 1 0 0
T7 0 1 0 0
T9 506 0 0 0
T12 0 2 0 0
T30 497 0 0 0
T33 470 0 0 0
T49 0 1 0 0
T51 0 1 0 0
T53 0 2 0 0
T54 0 1 0 0
T69 0 1 0 0
T80 409 0 0 0
T81 502 0 0 0
T82 1405 0 0 0
T83 439 0 0 0
T89 510 0 0 0
T91 404 0 0 0
T133 0 2 0 0
T228 0 1 0 0

PulseIsPulse_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 7811606 38 0 0
T3 779 1 0 0
T7 0 1 0 0
T9 506 0 0 0
T12 0 2 0 0
T30 497 0 0 0
T33 470 0 0 0
T49 0 1 0 0
T51 0 1 0 0
T53 0 2 0 0
T54 0 1 0 0
T69 0 1 0 0
T80 409 0 0 0
T81 502 0 0 0
T82 1405 0 0 0
T83 439 0 0 0
T89 510 0 0 0
T91 404 0 0 0
T133 0 2 0 0
T228 0 1 0 0

StayInStableSt
NameAttemptsReal SuccessesFailuresIncomplete
Total 7811606 307009 0 0
T3 779 126 0 0
T7 0 89 0 0
T9 506 0 0 0
T12 0 190 0 0
T30 497 0 0 0
T33 470 0 0 0
T49 0 23 0 0
T51 0 502 0 0
T53 0 2 0 0
T54 0 46 0 0
T69 0 13 0 0
T80 409 0 0 0
T81 502 0 0 0
T82 1405 0 0 0
T83 439 0 0 0
T89 510 0 0 0
T91 404 0 0 0
T133 0 98 0 0
T228 0 212 0 0

gen_high_level_sva.HighLevelEvent_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 7811606 7356558 0 0
T1 488 88 0 0
T4 496 96 0 0
T5 424 24 0 0
T6 455 55 0 0
T14 792 392 0 0
T15 502 102 0 0
T16 777 377 0 0
T17 429 29 0 0
T18 407 7 0 0
T23 455 55 0 0

gen_not_sticky_sva.StableStDropOut_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 7811606 20 0 0
T12 8691 1 0 0
T13 772 0 0 0
T49 0 1 0 0
T50 702 0 0 0
T53 0 2 0 0
T60 655 0 0 0
T61 832 0 0 0
T92 461 0 0 0
T133 0 2 0 0
T170 0 1 0 0
T202 0 1 0 0
T213 2976 0 0 0
T214 1444 0 0 0
T215 648 0 0 0
T216 412 0 0 0
T228 0 1 0 0
T231 0 1 0 0
T252 0 1 0 0
T279 0 1 0 0

Line Coverage for Instance : tb.dut.u_sysrst_ctrl_keyintr.gen_keyfsm[4].u_sysrst_ctrl_detect_h2l
Line No.TotalCoveredPercent
TOTAL464495.65
CONT_ASSIGN5811100.00
ALWAYS6933100.00
CONT_ASSIGN7611100.00
CONT_ASSIGN9211100.00
CONT_ASSIGN9911100.00
CONT_ASSIGN10111100.00
ALWAYS10433100.00
ALWAYS125323093.75
ALWAYS21933100.00

57 if (EventType inside {LowLevel, EdgeToLow}) begin : gen_trigger_active_low 58 1/1 assign trigger_active = (trigger_i == 1'b0); Tests: T4 T5 T6  59 end else begin : gen_trigger_active_high 60 assign trigger_active = (trigger_i == 1'b1); 61 end 62 63 // In case of edge events, we also need to detect the transition. 64 logic trigger_event; 65 if (EventType inside {EdgeToLow, EdgeToHigh}) begin : gen_trigger_event_edge 66 // This flop is always active, no matter the enable state. 67 logic trigger_active_q; 68 always_ff @(posedge clk_i or negedge rst_ni) begin : p_trigger_reg 69 1/1 if (!rst_ni) begin Tests: T4 T5 T6  70 1/1 trigger_active_q <= 1'b0; Tests: T4 T5 T6  71 end else begin 72 1/1 trigger_active_q <= trigger_active; Tests: T4 T5 T6  73 end 74 end 75 76 1/1 assign trigger_event = trigger_active & ~trigger_active_q; Tests: T4 T5 T6  77 // In case of level events, the event is equal to the level being active. 78 end else begin : gen_trigger_event_level 79 assign trigger_event = trigger_active; 80 end 81 82 ///////////////// 83 // Timer Logic // 84 ///////////////// 85 86 // Take the maximum width of both timer values. 87 localparam int unsigned TimerWidth = 88 (DetectTimerWidth > DebounceTimerWidth) ? DetectTimerWidth : DebounceTimerWidth; 89 90 logic cnt_en, cnt_clr; 91 logic [TimerWidth-1:0] cnt_d, cnt_q; 92 1/1 assign cnt_d = (cnt_clr) ? '0 : Tests: T12 T35 T48  93 (cnt_en) ? cnt_q + 1'b1 : 94 cnt_q; 95 96 97 logic cnt_done, thresh_sel; 98 logic [TimerWidth-1:0] thresh; 99 1/1 assign thresh = (thresh_sel) ? TimerWidth'(cfg_detect_timer_i) : Tests: T6 T1 T19  100 TimerWidth'(cfg_debounce_timer_i); 101 1/1 assign cnt_done = (cnt_q >= thresh); Tests: T6 T1 T19  102 103 always_ff @(posedge clk_i or negedge rst_ni) begin : p_cnt_reg 104 1/1 if (!rst_ni) begin Tests: T4 T5 T6  105 1/1 cnt_q <= '0; Tests: T4 T5 T6  106 end else begin 107 1/1 cnt_q <= cnt_d; Tests: T4 T5 T6  108 end 109 end 110 111 ///////// 112 // FSM // 113 ///////// 114 115 typedef enum logic [1:0] { 116 IdleSt, 117 DebounceSt, 118 DetectSt, 119 StableSt 120 } state_t; 121 122 state_t state_d, state_q; 123 124 always_comb begin : p_fsm 125 1/1 state_d = state_q; Tests: T4 T5 T6  126 127 // Counter controls (clear has priority). 128 1/1 cnt_clr = 1'b0; Tests: T4 T5 T6  129 1/1 cnt_en = 1'b0; Tests: T4 T5 T6  130 131 // Detected outputs 132 1/1 event_detected_o = 1'b0; Tests: T4 T5 T6  133 1/1 event_detected_pulse_o = 1'b0; Tests: T4 T5 T6  134 135 // Threshold select 136 // 0: debounce 137 // 1: detect 138 1/1 thresh_sel = 1'b0; Tests: T4 T5 T6  139 140 1/1 unique case (state_q) Tests: T4 T5 T6  141 //////////////////////////////////////////// 142 // We are waiting for the event to occur. 143 // This can be either a specific level or edge, 144 // depending on the configuration. 145 IdleSt: begin 146 // Stay here if the detector is disabled. 147 1/1 if (trigger_event && cfg_enable_i) begin Tests: T4 T5 T6  148 1/1 state_d = DebounceSt; Tests: T12 T35 T48  149 1/1 cnt_en = 1'b1; Tests: T12 T35 T48  150 end MISSING_ELSE 151 end 152 //////////////////////////////////////////// 153 // If an event has occurred, we back off for 154 // the amount of debounce cycles configured. 155 // Once the timer has expired, we sample the 156 // signal again and check whether it has the 157 // correct level. If so, we move on to the 158 // detection stage, otherwise we fall back. 159 DebounceSt: begin 160 1/1 cnt_en = 1'b1; Tests: T12 T35 T48  161 // Unconditionally go back to idle if the detector is disabled. 162 1/1 if (!cfg_enable_i) begin Tests: T12 T35 T48  163 1/1 state_d = IdleSt; Tests: T35  164 1/1 cnt_clr = 1'b1; Tests: T35  165 1/1 end else if (cnt_done) begin Tests: T12 T35 T48  166 1/1 cnt_clr = 1'b1; Tests: T12 T48 T52  167 1/1 if (trigger_active) begin Tests: T12 T48 T52  168 1/1 state_d = DetectSt; Tests: T12 T48 T52  169 end else begin 170 1/1 state_d = IdleSt; Tests: T57  171 end 172 end MISSING_ELSE 173 end 174 //////////////////////////////////////////// 175 // Once the debounce period has passed, we 176 // check whether the signal remains stable 177 // throughout the entire detection period. 178 // If it is not stable at any cycle, we fall 179 // back to idle. 180 DetectSt: begin 181 1/1 thresh_sel = 1'b1; Tests: T12 T48 T52  182 1/1 cnt_en = 1'b1; Tests: T12 T48 T52  183 // Go back to idle if either the trigger level is not active anymore, or if the 184 // detector is disabled. 185 1/1 if (!cfg_enable_i || !trigger_active) begin Tests: T12 T48 T52  186 0/1 ==> state_d = IdleSt; 187 0/1 ==> cnt_clr = 1'b1; 188 // If the trigger is active, count up. 189 end else begin 190 1/1 if (cnt_done) begin Tests: T12 T48 T52  191 1/1 state_d = StableSt; Tests: T12 T48 T52  192 1/1 cnt_clr = 1'b1; Tests: T12 T48 T52  193 1/1 event_detected_o = 1'b1; Tests: T12 T48 T52  194 1/1 event_detected_pulse_o = 1'b1; Tests: T12 T48 T52  195 end ==> MISSING_ELSE 196 end 197 end 198 //////////////////////////////////////////// 199 // At this point we have detected the event 200 // and monitor whether the signal remains stable. 201 StableSt: begin 202 // Go back to idle if either the trigger level is not active anymore, or if the detector is 203 // disabled. Note that if the detector is sticky, it has to be explicitly disabled in order 204 // to go back to the idle state. 205 1/1 if (!cfg_enable_i || (!trigger_active && !Sticky)) begin Tests: T12 T48 T52  206 1/1 state_d = IdleSt; Tests: T12 T57 T69  207 // Otherwise keep the event detected output signal high. 208 end else begin 209 1/1 event_detected_o = 1'b1; Tests: T12 T48 T52  210 end 211 end 212 //////////////////////////////////////////// 213 // This is a full case statement 214 default: ; Exclude Annotation: VC_COV_UNR 215 endcase // state_q 216 end 217 218 always_ff @(posedge clk_i or negedge rst_ni) begin : p_fsm_reg 219 1/1 if (!rst_ni) begin Tests: T4 T5 T6  220 1/1 state_q <= IdleSt; Tests: T4 T5 T6  221 end else begin 222 1/1 state_q <= state_d; Tests: T4 T5 T6 

Cond Coverage for Instance : tb.dut.u_sysrst_ctrl_keyintr.gen_keyfsm[4].u_sysrst_ctrl_detect_h2l
TotalCoveredPercent
Conditions222090.91
Logical222090.91
Non-Logical00
Event00

 LINE       58
 EXPRESSION (trigger_i == 1'b0)
            ---------1---------
-1-StatusTests
0CoveredT4,T5,T6
1CoveredT4,T5,T6

 LINE       76
 EXPRESSION (trigger_active & ((~gen_trigger_event_edge.trigger_active_q)))
             -------1------   ----------------------2---------------------
-1--2-StatusTests
01CoveredT4,T5,T6
10CoveredT4,T5,T6
11CoveredT4,T5,T6

 LINE       92
 EXPRESSION (cnt_clr ? '0 : (cnt_en ? ((cnt_q + 1'b1)) : cnt_q))
             ---1---
-1-StatusTests
0CoveredT4,T5,T6
1CoveredT12,T35,T48

 LINE       92
 SUB-EXPRESSION (cnt_en ? ((cnt_q + 1'b1)) : cnt_q)
                 ---1--
-1-StatusTests
0CoveredT4,T5,T6
1CoveredT12,T35,T48

 LINE       99
 EXPRESSION (thresh_sel ? (16'(cfg_detect_timer_i)) : (16'(cfg_debounce_timer_i)))
             -----1----
-1-StatusTests
0CoveredT4,T5,T6
1CoveredT12,T48,T52

 LINE       147
 EXPRESSION (trigger_event && cfg_enable_i)
             ------1------    ------2-----
-1--2-StatusTests
01CoveredT12,T35,T48
10CoveredT4,T5,T23
11CoveredT12,T35,T48

 LINE       185
 EXPRESSION (((!cfg_enable_i)) || ((!trigger_active)))
             --------1--------    ---------2---------
-1--2-StatusTests
00CoveredT12,T48,T52
01Not Covered
10Not Covered

 LINE       205
 EXPRESSION (((!cfg_enable_i)) || (((!trigger_active)) && ((!Sticky))))
             --------1--------    ------------------2-----------------
-1--2-StatusTests
00CoveredT12,T48,T52
01CoveredT12,T57,T133
10CoveredT69

 LINE       205
 SUB-EXPRESSION (((!trigger_active)) && ((!Sticky)))
                 ---------1---------    -----2-----
-1--2-StatusTests
0-CoveredT12,T48,T52
1-CoveredT12,T57,T133

FSM Coverage for Instance : tb.dut.u_sysrst_ctrl_keyintr.gen_keyfsm[4].u_sysrst_ctrl_detect_h2l
Summary for FSM :: state_q
TotalCoveredPercent
States 4 4 100.00 (Not included in score)
Transitions 6 5 83.33
Sequences 0 0

State, Transition and Sequence Details for FSM :: state_q
statesLine No.CoveredTests
DebounceSt 148 Covered T12,T35,T48
DetectSt 168 Covered T12,T48,T52
IdleSt 163 Covered T4,T5,T6
StableSt 191 Covered T12,T48,T52


transitionsLine No.CoveredTests
DebounceSt->DetectSt 168 Covered T12,T48,T52
DebounceSt->IdleSt 163 Covered T35,T57
DetectSt->IdleSt 186 Not Covered
DetectSt->StableSt 191 Covered T12,T48,T52
IdleSt->DebounceSt 148 Covered T12,T35,T48
StableSt->IdleSt 206 Covered T12,T57,T69



Branch Coverage for Instance : tb.dut.u_sysrst_ctrl_keyintr.gen_keyfsm[4].u_sysrst_ctrl_detect_h2l
Line No.TotalCoveredPercent
Branches 21 20 95.24
TERNARY 92 3 3 100.00
TERNARY 99 2 2 100.00
IF 104 2 2 100.00
CASE 140 10 9 90.00
IF 219 2 2 100.00
IF 69 2 2 100.00


92 assign cnt_d = (cnt_clr) ? '0 : -1- ==> 93 (cnt_en) ? cnt_q + 1'b1 : -2- ==> ==>

Branches:
-1--2-StatusTests
1 - Covered T12,T35,T48
0 1 Covered T12,T35,T48
0 0 Covered T4,T5,T6


99 assign thresh = (thresh_sel) ? TimerWidth'(cfg_detect_timer_i) : -1- ==> ==>

Branches:
-1-StatusTests
1 Covered T12,T48,T52
0 Covered T4,T5,T6


104 if (!rst_ni) begin -1- 105 cnt_q <= '0; ==> 106 end else begin 107 cnt_q <= cnt_d; ==>

Branches:
-1-StatusTests
1 Covered T4,T5,T6
0 Covered T4,T5,T6


140 unique case (state_q) -1- 141 //////////////////////////////////////////// 142 // We are waiting for the event to occur. 143 // This can be either a specific level or edge, 144 // depending on the configuration. 145 IdleSt: begin 146 // Stay here if the detector is disabled. 147 if (trigger_event && cfg_enable_i) begin -2- 148 state_d = DebounceSt; ==> 149 cnt_en = 1'b1; 150 end MISSING_ELSE ==> 151 end 152 //////////////////////////////////////////// 153 // If an event has occurred, we back off for 154 // the amount of debounce cycles configured. 155 // Once the timer has expired, we sample the 156 // signal again and check whether it has the 157 // correct level. If so, we move on to the 158 // detection stage, otherwise we fall back. 159 DebounceSt: begin 160 cnt_en = 1'b1; 161 // Unconditionally go back to idle if the detector is disabled. 162 if (!cfg_enable_i) begin -3- 163 state_d = IdleSt; ==> 164 cnt_clr = 1'b1; 165 end else if (cnt_done) begin -4- 166 cnt_clr = 1'b1; 167 if (trigger_active) begin -5- 168 state_d = DetectSt; ==> 169 end else begin 170 state_d = IdleSt; ==> 171 end 172 end MISSING_ELSE ==> 173 end 174 //////////////////////////////////////////// 175 // Once the debounce period has passed, we 176 // check whether the signal remains stable 177 // throughout the entire detection period. 178 // If it is not stable at any cycle, we fall 179 // back to idle. 180 DetectSt: begin 181 thresh_sel = 1'b1; 182 cnt_en = 1'b1; 183 // Go back to idle if either the trigger level is not active anymore, or if the 184 // detector is disabled. 185 if (!cfg_enable_i || !trigger_active) begin -6- 186 state_d = IdleSt; ==> 187 cnt_clr = 1'b1; 188 // If the trigger is active, count up. 189 end else begin 190 if (cnt_done) begin -7- 191 state_d = StableSt; ==> 192 cnt_clr = 1'b1; 193 event_detected_o = 1'b1; 194 event_detected_pulse_o = 1'b1; 195 end MISSING_ELSE ==> (Excluded) Exclude Annotation: VC_COV_UNR 196 end 197 end 198 //////////////////////////////////////////// 199 // At this point we have detected the event 200 // and monitor whether the signal remains stable. 201 StableSt: begin 202 // Go back to idle if either the trigger level is not active anymore, or if the detector is 203 // disabled. Note that if the detector is sticky, it has to be explicitly disabled in order 204 // to go back to the idle state. 205 if (!cfg_enable_i || (!trigger_active && !Sticky)) begin -8- 206 state_d = IdleSt; ==> 207 // Otherwise keep the event detected output signal high. 208 end else begin 209 event_detected_o = 1'b1; ==> 210 end 211 end 212 //////////////////////////////////////////// 213 // This is a full case statement 214 default: ; ==> (Excluded) Exclude Annotation: VC_COV_UNR

Branches:
-1--2--3--4--5--6--7--8-StatusTestsExclude Annotation
IdleSt 1 - - - - - - Covered T12,T35,T48
IdleSt 0 - - - - - - Covered T4,T5,T6
DebounceSt - 1 - - - - - Covered T35
DebounceSt - 0 1 1 - - - Covered T12,T48,T52
DebounceSt - 0 1 0 - - - Covered T57
DebounceSt - 0 0 - - - - Covered T12,T35,T48
DetectSt - - - - 1 - - Not Covered
DetectSt - - - - 0 1 - Covered T12,T48,T52
DetectSt - - - - 0 0 - Excluded VC_COV_UNR
StableSt - - - - - - 1 Covered T12,T57,T69
StableSt - - - - - - 0 Covered T12,T48,T52
default - - - - - - - Excluded VC_COV_UNR


219 if (!rst_ni) begin -1- 220 state_q <= IdleSt; ==> 221 end else begin 222 state_q <= state_d; ==>

Branches:
-1-StatusTests
1 Covered T4,T5,T6
0 Covered T4,T5,T6


69 if (!rst_ni) begin -1- 70 trigger_active_q <= 1'b0; ==> 71 end else begin 72 trigger_active_q <= trigger_active; ==>

Branches:
-1-StatusTests
1 Covered T4,T5,T6
0 Covered T4,T5,T6


Assert Coverage for Instance : tb.dut.u_sysrst_ctrl_keyintr.gen_keyfsm[4].u_sysrst_ctrl_detect_h2l
TotalAttemptedPercentSucceeded/MatchedPercent
Assertions 16 16 100.00 15 93.75
Cover properties 0 0 0
Cover sequences 0 0 0
Total 16 16 100.00 15 93.75




Assertion Details

NameAttemptsReal SuccessesFailuresIncomplete
CntClr_A 7811606 42 0 0
CntIncr_A 7811606 1028 0 0
CntNoWrap_A 7811606 7354574 0 0
DetectStDropOut_A 7811606 0 0 0
DetectedOut_A 7811606 1901 0 0
DetectedPulseOut_A 7811606 20 0 0
DisabledIdleSt_A 7811606 7345267 0 0
DisabledNoDetection_A 7811606 7347180 0 0
EnterDebounceSt_A 7811606 22 0 0
EnterDetectSt_A 7811606 20 0 0
EnterStableSt_A 7811606 20 0 0
PulseIsPulse_A 7811606 20 0 0
StayInStableSt 7811606 1871 0 0
gen_edge_to_low_event_sva.EdgeToLowEvent_A 7811606 5178 0 0
gen_low_level_sva.LowLevelEvent_A 7811606 7356558 0 0
gen_not_sticky_sva.StableStDropOut_A 7811606 9 0 0


CntClr_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 7811606 42 0 0
T12 8691 2 0 0
T13 772 0 0 0
T35 0 1 0 0
T48 0 2 0 0
T49 0 2 0 0
T50 702 0 0 0
T52 0 2 0 0
T57 0 3 0 0
T60 655 0 0 0
T61 832 0 0 0
T69 0 2 0 0
T92 461 0 0 0
T133 0 4 0 0
T189 0 2 0 0
T213 2976 0 0 0
T214 1444 0 0 0
T215 648 0 0 0
T216 412 0 0 0
T231 0 2 0 0

CntIncr_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 7811606 1028 0 0
T12 8691 97 0 0
T13 772 0 0 0
T35 0 14 0 0
T48 0 20 0 0
T49 0 71 0 0
T50 702 0 0 0
T52 0 98 0 0
T57 0 44 0 0
T60 655 0 0 0
T61 832 0 0 0
T69 0 27 0 0
T92 461 0 0 0
T133 0 142 0 0
T189 0 61 0 0
T213 2976 0 0 0
T214 1444 0 0 0
T215 648 0 0 0
T216 412 0 0 0
T231 0 37 0 0

CntNoWrap_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 7811606 7354574 0 0
T1 488 87 0 0
T4 496 95 0 0
T5 424 23 0 0
T6 455 54 0 0
T14 792 391 0 0
T15 502 101 0 0
T16 777 376 0 0
T17 429 28 0 0
T18 407 6 0 0
T23 455 54 0 0

DetectStDropOut_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 7811606 0 0 0

DetectedOut_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 7811606 1901 0 0
T12 8691 65 0 0
T13 772 0 0 0
T48 0 71 0 0
T49 0 296 0 0
T50 702 0 0 0
T52 0 350 0 0
T57 0 45 0 0
T60 655 0 0 0
T61 832 0 0 0
T69 0 14 0 0
T92 461 0 0 0
T133 0 316 0 0
T189 0 41 0 0
T213 2976 0 0 0
T214 1444 0 0 0
T215 648 0 0 0
T216 412 0 0 0
T231 0 41 0 0
T232 0 102 0 0

DetectedPulseOut_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 7811606 20 0 0
T12 8691 1 0 0
T13 772 0 0 0
T48 0 1 0 0
T49 0 1 0 0
T50 702 0 0 0
T52 0 1 0 0
T57 0 1 0 0
T60 655 0 0 0
T61 832 0 0 0
T69 0 1 0 0
T92 461 0 0 0
T133 0 2 0 0
T189 0 1 0 0
T213 2976 0 0 0
T214 1444 0 0 0
T215 648 0 0 0
T216 412 0 0 0
T231 0 1 0 0
T232 0 1 0 0

DisabledIdleSt_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 7811606 7345267 0 0
T1 488 87 0 0
T4 496 95 0 0
T5 424 23 0 0
T6 455 54 0 0
T14 792 391 0 0
T15 502 101 0 0
T16 777 376 0 0
T17 429 28 0 0
T18 407 6 0 0
T23 455 54 0 0

DisabledNoDetection_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 7811606 7347180 0 0
T1 488 88 0 0
T4 496 96 0 0
T5 424 24 0 0
T6 455 55 0 0
T14 792 392 0 0
T15 502 102 0 0
T16 777 377 0 0
T17 429 29 0 0
T18 407 7 0 0
T23 455 55 0 0

EnterDebounceSt_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 7811606 22 0 0
T12 8691 1 0 0
T13 772 0 0 0
T35 0 1 0 0
T48 0 1 0 0
T49 0 1 0 0
T50 702 0 0 0
T52 0 1 0 0
T57 0 2 0 0
T60 655 0 0 0
T61 832 0 0 0
T69 0 1 0 0
T92 461 0 0 0
T133 0 2 0 0
T189 0 1 0 0
T213 2976 0 0 0
T214 1444 0 0 0
T215 648 0 0 0
T216 412 0 0 0
T231 0 1 0 0

EnterDetectSt_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 7811606 20 0 0
T12 8691 1 0 0
T13 772 0 0 0
T48 0 1 0 0
T49 0 1 0 0
T50 702 0 0 0
T52 0 1 0 0
T57 0 1 0 0
T60 655 0 0 0
T61 832 0 0 0
T69 0 1 0 0
T92 461 0 0 0
T133 0 2 0 0
T189 0 1 0 0
T213 2976 0 0 0
T214 1444 0 0 0
T215 648 0 0 0
T216 412 0 0 0
T231 0 1 0 0
T232 0 1 0 0

EnterStableSt_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 7811606 20 0 0
T12 8691 1 0 0
T13 772 0 0 0
T48 0 1 0 0
T49 0 1 0 0
T50 702 0 0 0
T52 0 1 0 0
T57 0 1 0 0
T60 655 0 0 0
T61 832 0 0 0
T69 0 1 0 0
T92 461 0 0 0
T133 0 2 0 0
T189 0 1 0 0
T213 2976 0 0 0
T214 1444 0 0 0
T215 648 0 0 0
T216 412 0 0 0
T231 0 1 0 0
T232 0 1 0 0

PulseIsPulse_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 7811606 20 0 0
T12 8691 1 0 0
T13 772 0 0 0
T48 0 1 0 0
T49 0 1 0 0
T50 702 0 0 0
T52 0 1 0 0
T57 0 1 0 0
T60 655 0 0 0
T61 832 0 0 0
T69 0 1 0 0
T92 461 0 0 0
T133 0 2 0 0
T189 0 1 0 0
T213 2976 0 0 0
T214 1444 0 0 0
T215 648 0 0 0
T216 412 0 0 0
T231 0 1 0 0
T232 0 1 0 0

StayInStableSt
NameAttemptsReal SuccessesFailuresIncomplete
Total 7811606 1871 0 0
T12 8691 64 0 0
T13 772 0 0 0
T48 0 69 0 0
T49 0 294 0 0
T50 702 0 0 0
T52 0 348 0 0
T57 0 44 0 0
T60 655 0 0 0
T61 832 0 0 0
T69 0 13 0 0
T92 461 0 0 0
T133 0 313 0 0
T189 0 39 0 0
T213 2976 0 0 0
T214 1444 0 0 0
T215 648 0 0 0
T216 412 0 0 0
T231 0 39 0 0
T232 0 100 0 0

gen_edge_to_low_event_sva.EdgeToLowEvent_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 7811606 5178 0 0
T1 488 1 0 0
T4 496 7 0 0
T5 424 2 0 0
T6 455 0 0 0
T14 792 0 0 0
T15 502 7 0 0
T16 777 0 0 0
T17 429 3 0 0
T18 407 0 0 0
T19 0 1 0 0
T20 0 6 0 0
T21 0 1 0 0
T22 0 4 0 0
T23 455 7 0 0

gen_low_level_sva.LowLevelEvent_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 7811606 7356558 0 0
T1 488 88 0 0
T4 496 96 0 0
T5 424 24 0 0
T6 455 55 0 0
T14 792 392 0 0
T15 502 102 0 0
T16 777 377 0 0
T17 429 29 0 0
T18 407 7 0 0
T23 455 55 0 0

gen_not_sticky_sva.StableStDropOut_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 7811606 9 0 0
T12 8691 1 0 0
T13 772 0 0 0
T50 702 0 0 0
T57 0 1 0 0
T60 655 0 0 0
T61 832 0 0 0
T92 461 0 0 0
T133 0 1 0 0
T135 0 1 0 0
T200 0 1 0 0
T213 2976 0 0 0
T214 1444 0 0 0
T215 648 0 0 0
T216 412 0 0 0
T253 0 1 0 0
T259 0 1 0 0
T269 0 1 0 0
T280 0 1 0 0

Line Coverage for Instance : tb.dut.u_sysrst_ctrl_keyintr.gen_keyfsm[5].u_sysrst_ctrl_detect_l2h
Line No.TotalCoveredPercent
TOTAL4646100.00
CONT_ASSIGN6011100.00
ALWAYS6933100.00
CONT_ASSIGN7611100.00
CONT_ASSIGN9211100.00
CONT_ASSIGN9911100.00
CONT_ASSIGN10111100.00
ALWAYS10433100.00
ALWAYS1253232100.00
ALWAYS21933100.00

59 end else begin : gen_trigger_active_high 60 1/1 assign trigger_active = (trigger_i == 1'b1); Tests: T4 T5 T6  61 end 62 63 // In case of edge events, we also need to detect the transition. 64 logic trigger_event; 65 if (EventType inside {EdgeToLow, EdgeToHigh}) begin : gen_trigger_event_edge 66 // This flop is always active, no matter the enable state. 67 logic trigger_active_q; 68 always_ff @(posedge clk_i or negedge rst_ni) begin : p_trigger_reg 69 1/1 if (!rst_ni) begin Tests: T4 T5 T6  70 1/1 trigger_active_q <= 1'b0; Tests: T4 T5 T6  71 end else begin 72 1/1 trigger_active_q <= trigger_active; Tests: T4 T5 T6  73 end 74 end 75 76 1/1 assign trigger_event = trigger_active & ~trigger_active_q; Tests: T4 T5 T6  77 // In case of level events, the event is equal to the level being active. 78 end else begin : gen_trigger_event_level 79 assign trigger_event = trigger_active; 80 end 81 82 ///////////////// 83 // Timer Logic // 84 ///////////////// 85 86 // Take the maximum width of both timer values. 87 localparam int unsigned TimerWidth = 88 (DetectTimerWidth > DebounceTimerWidth) ? DetectTimerWidth : DebounceTimerWidth; 89 90 logic cnt_en, cnt_clr; 91 logic [TimerWidth-1:0] cnt_d, cnt_q; 92 1/1 assign cnt_d = (cnt_clr) ? '0 : Tests: T12 T35 T55  93 (cnt_en) ? cnt_q + 1'b1 : 94 cnt_q; 95 96 97 logic cnt_done, thresh_sel; 98 logic [TimerWidth-1:0] thresh; 99 1/1 assign thresh = (thresh_sel) ? TimerWidth'(cfg_detect_timer_i) : Tests: T6 T1 T19  100 TimerWidth'(cfg_debounce_timer_i); 101 1/1 assign cnt_done = (cnt_q >= thresh); Tests: T6 T1 T19  102 103 always_ff @(posedge clk_i or negedge rst_ni) begin : p_cnt_reg 104 1/1 if (!rst_ni) begin Tests: T4 T5 T6  105 1/1 cnt_q <= '0; Tests: T4 T5 T6  106 end else begin 107 1/1 cnt_q <= cnt_d; Tests: T4 T5 T6  108 end 109 end 110 111 ///////// 112 // FSM // 113 ///////// 114 115 typedef enum logic [1:0] { 116 IdleSt, 117 DebounceSt, 118 DetectSt, 119 StableSt 120 } state_t; 121 122 state_t state_d, state_q; 123 124 always_comb begin : p_fsm 125 1/1 state_d = state_q; Tests: T4 T5 T6  126 127 // Counter controls (clear has priority). 128 1/1 cnt_clr = 1'b0; Tests: T4 T5 T6  129 1/1 cnt_en = 1'b0; Tests: T4 T5 T6  130 131 // Detected outputs 132 1/1 event_detected_o = 1'b0; Tests: T4 T5 T6  133 1/1 event_detected_pulse_o = 1'b0; Tests: T4 T5 T6  134 135 // Threshold select 136 // 0: debounce 137 // 1: detect 138 1/1 thresh_sel = 1'b0; Tests: T4 T5 T6  139 140 1/1 unique case (state_q) Tests: T4 T5 T6  141 //////////////////////////////////////////// 142 // We are waiting for the event to occur. 143 // This can be either a specific level or edge, 144 // depending on the configuration. 145 IdleSt: begin 146 // Stay here if the detector is disabled. 147 1/1 if (trigger_event && cfg_enable_i) begin Tests: T4 T5 T6  148 1/1 state_d = DebounceSt; Tests: T12 T35 T55  149 1/1 cnt_en = 1'b1; Tests: T12 T35 T55  150 end MISSING_ELSE 151 end 152 //////////////////////////////////////////// 153 // If an event has occurred, we back off for 154 // the amount of debounce cycles configured. 155 // Once the timer has expired, we sample the 156 // signal again and check whether it has the 157 // correct level. If so, we move on to the 158 // detection stage, otherwise we fall back. 159 DebounceSt: begin 160 1/1 cnt_en = 1'b1; Tests: T12 T35 T55  161 // Unconditionally go back to idle if the detector is disabled. 162 1/1 if (!cfg_enable_i) begin Tests: T12 T35 T55  163 1/1 state_d = IdleSt; Tests: T35  164 1/1 cnt_clr = 1'b1; Tests: T35  165 1/1 end else if (cnt_done) begin Tests: T12 T35 T55  166 1/1 cnt_clr = 1'b1; Tests: T12 T55 T54  167 1/1 if (trigger_active) begin Tests: T12 T55 T54  168 1/1 state_d = DetectSt; Tests: T12 T55 T54  169 end else begin 170 1/1 state_d = IdleSt; Tests: T269 T279  171 end 172 end MISSING_ELSE 173 end 174 //////////////////////////////////////////// 175 // Once the debounce period has passed, we 176 // check whether the signal remains stable 177 // throughout the entire detection period. 178 // If it is not stable at any cycle, we fall 179 // back to idle. 180 DetectSt: begin 181 1/1 thresh_sel = 1'b1; Tests: T12 T55 T54  182 1/1 cnt_en = 1'b1; Tests: T12 T55 T54  183 // Go back to idle if either the trigger level is not active anymore, or if the 184 // detector is disabled. 185 1/1 if (!cfg_enable_i || !trigger_active) begin Tests: T12 T55 T54  186 1/1 state_d = IdleSt; Tests: T55  187 1/1 cnt_clr = 1'b1; Tests: T55  188 // If the trigger is active, count up. 189 end else begin 190 1/1 if (cnt_done) begin Tests: T12 T54 T52  191 1/1 state_d = StableSt; Tests: T12 T54 T52  192 1/1 cnt_clr = 1'b1; Tests: T12 T54 T52  193 1/1 event_detected_o = 1'b1; Tests: T12 T54 T52  194 1/1 event_detected_pulse_o = 1'b1; Tests: T12 T54 T52  195 end ==> MISSING_ELSE 196 end 197 end 198 //////////////////////////////////////////// 199 // At this point we have detected the event 200 // and monitor whether the signal remains stable. 201 StableSt: begin 202 // Go back to idle if either the trigger level is not active anymore, or if the detector is 203 // disabled. Note that if the detector is sticky, it has to be explicitly disabled in order 204 // to go back to the idle state. 205 1/1 if (!cfg_enable_i || (!trigger_active && !Sticky)) begin Tests: T12 T54 T52  206 1/1 state_d = IdleSt; Tests: T12 T228 T51  207 // Otherwise keep the event detected output signal high. 208 end else begin 209 1/1 event_detected_o = 1'b1; Tests: T12 T54 T52  210 end 211 end 212 //////////////////////////////////////////// 213 // This is a full case statement 214 default: ; Exclude Annotation: VC_COV_UNR 215 endcase // state_q 216 end 217 218 always_ff @(posedge clk_i or negedge rst_ni) begin : p_fsm_reg 219 1/1 if (!rst_ni) begin Tests: T4 T5 T6  220 1/1 state_q <= IdleSt; Tests: T4 T5 T6  221 end else begin 222 1/1 state_q <= state_d; Tests: T4 T5 T6 

Cond Coverage for Instance : tb.dut.u_sysrst_ctrl_keyintr.gen_keyfsm[5].u_sysrst_ctrl_detect_l2h
TotalCoveredPercent
Conditions222195.45
Logical222195.45
Non-Logical00
Event00

 LINE       60
 EXPRESSION (trigger_i == 1'b1)
            ---------1---------
-1-StatusTests
0CoveredT4,T5,T6
1CoveredT4,T5,T6

 LINE       76
 EXPRESSION (trigger_active & ((~gen_trigger_event_edge.trigger_active_q)))
             -------1------   ----------------------2---------------------
-1--2-StatusTests
01CoveredT4,T5,T6
10CoveredT4,T5,T6
11CoveredT4,T5,T6

 LINE       92
 EXPRESSION (cnt_clr ? '0 : (cnt_en ? ((cnt_q + 1'b1)) : cnt_q))
             ---1---
-1-StatusTests
0CoveredT4,T5,T6
1CoveredT12,T35,T55

 LINE       92
 SUB-EXPRESSION (cnt_en ? ((cnt_q + 1'b1)) : cnt_q)
                 ---1--
-1-StatusTests
0CoveredT4,T5,T6
1CoveredT12,T35,T55

 LINE       99
 EXPRESSION (thresh_sel ? (16'(cfg_detect_timer_i)) : (16'(cfg_debounce_timer_i)))
             -----1----
-1-StatusTests
0CoveredT4,T5,T6
1CoveredT12,T55,T54

 LINE       147
 EXPRESSION (trigger_event && cfg_enable_i)
             ------1------    ------2-----
-1--2-StatusTests
01CoveredT7,T12,T35
10CoveredT4,T5,T6
11CoveredT12,T35,T55

 LINE       185
 EXPRESSION (((!cfg_enable_i)) || ((!trigger_active)))
             --------1--------    ---------2---------
-1--2-StatusTests
00CoveredT12,T54,T52
01CoveredT55
10Not Covered

 LINE       205
 EXPRESSION (((!cfg_enable_i)) || (((!trigger_active)) && ((!Sticky))))
             --------1--------    ------------------2-----------------
-1--2-StatusTests
00CoveredT12,T54,T52
01CoveredT12,T228,T51
10CoveredT69

 LINE       205
 SUB-EXPRESSION (((!trigger_active)) && ((!Sticky)))
                 ---------1---------    -----2-----
-1--2-StatusTests
0-CoveredT12,T54,T52
1-CoveredT12,T228,T51

FSM Coverage for Instance : tb.dut.u_sysrst_ctrl_keyintr.gen_keyfsm[5].u_sysrst_ctrl_detect_l2h
Summary for FSM :: state_q
TotalCoveredPercent
States 4 4 100.00 (Not included in score)
Transitions 6 6 100.00
Sequences 0 0

State, Transition and Sequence Details for FSM :: state_q
statesLine No.CoveredTests
DebounceSt 148 Covered T12,T35,T55
DetectSt 168 Covered T12,T55,T54
IdleSt 163 Covered T4,T5,T6
StableSt 191 Covered T12,T54,T52


transitionsLine No.CoveredTests
DebounceSt->DetectSt 168 Covered T12,T55,T54
DebounceSt->IdleSt 163 Covered T35,T269,T279
DetectSt->IdleSt 186 Covered T55
DetectSt->StableSt 191 Covered T12,T54,T52
IdleSt->DebounceSt 148 Covered T12,T35,T55
StableSt->IdleSt 206 Covered T12,T228,T51



Branch Coverage for Instance : tb.dut.u_sysrst_ctrl_keyintr.gen_keyfsm[5].u_sysrst_ctrl_detect_l2h
Line No.TotalCoveredPercent
Branches 21 21 100.00
TERNARY 92 3 3 100.00
TERNARY 99 2 2 100.00
IF 104 2 2 100.00
CASE 140 10 10 100.00
IF 219 2 2 100.00
IF 69 2 2 100.00


92 assign cnt_d = (cnt_clr) ? '0 : -1- ==> 93 (cnt_en) ? cnt_q + 1'b1 : -2- ==> ==>

Branches:
-1--2-StatusTests
1 - Covered T12,T35,T55
0 1 Covered T12,T35,T55
0 0 Covered T4,T5,T6


99 assign thresh = (thresh_sel) ? TimerWidth'(cfg_detect_timer_i) : -1- ==> ==>

Branches:
-1-StatusTests
1 Covered T12,T55,T54
0 Covered T4,T5,T6


104 if (!rst_ni) begin -1- 105 cnt_q <= '0; ==> 106 end else begin 107 cnt_q <= cnt_d; ==>

Branches:
-1-StatusTests
1 Covered T4,T5,T6
0 Covered T4,T5,T6


140 unique case (state_q) -1- 141 //////////////////////////////////////////// 142 // We are waiting for the event to occur. 143 // This can be either a specific level or edge, 144 // depending on the configuration. 145 IdleSt: begin 146 // Stay here if the detector is disabled. 147 if (trigger_event && cfg_enable_i) begin -2- 148 state_d = DebounceSt; ==> 149 cnt_en = 1'b1; 150 end MISSING_ELSE ==> 151 end 152 //////////////////////////////////////////// 153 // If an event has occurred, we back off for 154 // the amount of debounce cycles configured. 155 // Once the timer has expired, we sample the 156 // signal again and check whether it has the 157 // correct level. If so, we move on to the 158 // detection stage, otherwise we fall back. 159 DebounceSt: begin 160 cnt_en = 1'b1; 161 // Unconditionally go back to idle if the detector is disabled. 162 if (!cfg_enable_i) begin -3- 163 state_d = IdleSt; ==> 164 cnt_clr = 1'b1; 165 end else if (cnt_done) begin -4- 166 cnt_clr = 1'b1; 167 if (trigger_active) begin -5- 168 state_d = DetectSt; ==> 169 end else begin 170 state_d = IdleSt; ==> 171 end 172 end MISSING_ELSE ==> 173 end 174 //////////////////////////////////////////// 175 // Once the debounce period has passed, we 176 // check whether the signal remains stable 177 // throughout the entire detection period. 178 // If it is not stable at any cycle, we fall 179 // back to idle. 180 DetectSt: begin 181 thresh_sel = 1'b1; 182 cnt_en = 1'b1; 183 // Go back to idle if either the trigger level is not active anymore, or if the 184 // detector is disabled. 185 if (!cfg_enable_i || !trigger_active) begin -6- 186 state_d = IdleSt; ==> 187 cnt_clr = 1'b1; 188 // If the trigger is active, count up. 189 end else begin 190 if (cnt_done) begin -7- 191 state_d = StableSt; ==> 192 cnt_clr = 1'b1; 193 event_detected_o = 1'b1; 194 event_detected_pulse_o = 1'b1; 195 end MISSING_ELSE ==> (Excluded) Exclude Annotation: VC_COV_UNR 196 end 197 end 198 //////////////////////////////////////////// 199 // At this point we have detected the event 200 // and monitor whether the signal remains stable. 201 StableSt: begin 202 // Go back to idle if either the trigger level is not active anymore, or if the detector is 203 // disabled. Note that if the detector is sticky, it has to be explicitly disabled in order 204 // to go back to the idle state. 205 if (!cfg_enable_i || (!trigger_active && !Sticky)) begin -8- 206 state_d = IdleSt; ==> 207 // Otherwise keep the event detected output signal high. 208 end else begin 209 event_detected_o = 1'b1; ==> 210 end 211 end 212 //////////////////////////////////////////// 213 // This is a full case statement 214 default: ; ==> (Excluded) Exclude Annotation: VC_COV_UNR

Branches:
-1--2--3--4--5--6--7--8-StatusTestsExclude Annotation
IdleSt 1 - - - - - - Covered T12,T35,T55
IdleSt 0 - - - - - - Covered T4,T5,T6
DebounceSt - 1 - - - - - Covered T35
DebounceSt - 0 1 1 - - - Covered T12,T55,T54
DebounceSt - 0 1 0 - - - Covered T269,T279
DebounceSt - 0 0 - - - - Covered T12,T35,T55
DetectSt - - - - 1 - - Covered T55
DetectSt - - - - 0 1 - Covered T12,T54,T52
DetectSt - - - - 0 0 - Excluded VC_COV_UNR
StableSt - - - - - - 1 Covered T12,T228,T51
StableSt - - - - - - 0 Covered T12,T54,T52
default - - - - - - - Excluded VC_COV_UNR


219 if (!rst_ni) begin -1- 220 state_q <= IdleSt; ==> 221 end else begin 222 state_q <= state_d; ==>

Branches:
-1-StatusTests
1 Covered T4,T5,T6
0 Covered T4,T5,T6


69 if (!rst_ni) begin -1- 70 trigger_active_q <= 1'b0; ==> 71 end else begin 72 trigger_active_q <= trigger_active; ==>

Branches:
-1-StatusTests
1 Covered T4,T5,T6
0 Covered T4,T5,T6


Assert Coverage for Instance : tb.dut.u_sysrst_ctrl_keyintr.gen_keyfsm[5].u_sysrst_ctrl_detect_l2h
TotalAttemptedPercentSucceeded/MatchedPercent
Assertions 15 15 100.00 15 100.00
Cover properties 0 0 0
Cover sequences 0 0 0
Total 15 15 100.00 15 100.00




Assertion Details

NameAttemptsReal SuccessesFailuresIncomplete
CntClr_A 7811606 97 0 0
CntIncr_A 7811606 288366 0 0
CntNoWrap_A 7811606 7354519 0 0
DetectStDropOut_A 7811606 1 0 0
DetectedOut_A 7811606 226510 0 0
DetectedPulseOut_A 7811606 46 0 0
DisabledIdleSt_A 7811606 6201918 0 0
DisabledNoDetection_A 7811606 6203819 0 0
EnterDebounceSt_A 7811606 50 0 0
EnterDetectSt_A 7811606 47 0 0
EnterStableSt_A 7811606 46 0 0
PulseIsPulse_A 7811606 46 0 0
StayInStableSt 7811606 226444 0 0
gen_high_level_sva.HighLevelEvent_A 7811606 7356558 0 0
gen_not_sticky_sva.StableStDropOut_A 7811606 25 0 0


CntClr_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 7811606 97 0 0
T12 8691 2 0 0
T13 772 0 0 0
T35 0 1 0 0
T50 702 0 0 0
T51 0 4 0 0
T52 0 2 0 0
T54 0 2 0 0
T55 0 2 0 0
T56 0 2 0 0
T60 655 0 0 0
T61 832 0 0 0
T69 0 2 0 0
T92 461 0 0 0
T213 2976 0 0 0
T214 1444 0 0 0
T215 648 0 0 0
T216 412 0 0 0
T228 0 2 0 0
T230 0 2 0 0

CntIncr_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 7811606 288366 0 0
T12 8691 97 0 0
T13 772 0 0 0
T35 0 15 0 0
T50 702 0 0 0
T51 0 146 0 0
T52 0 98 0 0
T54 0 13 0 0
T55 0 35 0 0
T56 0 13 0 0
T60 655 0 0 0
T61 832 0 0 0
T69 0 27 0 0
T92 461 0 0 0
T213 2976 0 0 0
T214 1444 0 0 0
T215 648 0 0 0
T216 412 0 0 0
T228 0 76 0 0
T230 0 94 0 0

CntNoWrap_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 7811606 7354519 0 0
T1 488 87 0 0
T4 496 95 0 0
T5 424 23 0 0
T6 455 54 0 0
T14 792 391 0 0
T15 502 101 0 0
T16 777 376 0 0
T17 429 28 0 0
T18 407 6 0 0
T23 455 54 0 0

DetectStDropOut_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 7811606 1 0 0
T54 2624 0 0 0
T55 540 1 0 0
T79 1470 0 0 0
T85 493 0 0 0
T101 4409 0 0 0
T102 4413 0 0 0
T281 712 0 0 0
T282 501 0 0 0
T283 402 0 0 0
T284 510 0 0 0

DetectedOut_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 7811606 226510 0 0
T12 8691 44 0 0
T13 772 0 0 0
T50 702 0 0 0
T51 0 301 0 0
T52 0 408 0 0
T54 0 47 0 0
T56 0 54 0 0
T60 655 0 0 0
T61 832 0 0 0
T69 0 14 0 0
T92 461 0 0 0
T133 0 58 0 0
T213 2976 0 0 0
T214 1444 0 0 0
T215 648 0 0 0
T216 412 0 0 0
T228 0 251 0 0
T230 0 209 0 0
T231 0 229 0 0

DetectedPulseOut_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 7811606 46 0 0
T12 8691 1 0 0
T13 772 0 0 0
T50 702 0 0 0
T51 0 2 0 0
T52 0 1 0 0
T54 0 1 0 0
T56 0 1 0 0
T60 655 0 0 0
T61 832 0 0 0
T69 0 1 0 0
T92 461 0 0 0
T133 0 1 0 0
T213 2976 0 0 0
T214 1444 0 0 0
T215 648 0 0 0
T216 412 0 0 0
T228 0 1 0 0
T230 0 1 0 0
T231 0 2 0 0

DisabledIdleSt_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 7811606 6201918 0 0
T1 488 87 0 0
T4 496 95 0 0
T5 424 23 0 0
T6 455 54 0 0
T14 792 391 0 0
T15 502 101 0 0
T16 777 376 0 0
T17 429 28 0 0
T18 407 6 0 0
T23 455 54 0 0

DisabledNoDetection_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 7811606 6203819 0 0
T1 488 88 0 0
T4 496 96 0 0
T5 424 24 0 0
T6 455 55 0 0
T14 792 392 0 0
T15 502 102 0 0
T16 777 377 0 0
T17 429 29 0 0
T18 407 7 0 0
T23 455 55 0 0

EnterDebounceSt_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 7811606 50 0 0
T12 8691 1 0 0
T13 772 0 0 0
T35 0 1 0 0
T50 702 0 0 0
T51 0 2 0 0
T52 0 1 0 0
T54 0 1 0 0
T55 0 1 0 0
T56 0 1 0 0
T60 655 0 0 0
T61 832 0 0 0
T69 0 1 0 0
T92 461 0 0 0
T213 2976 0 0 0
T214 1444 0 0 0
T215 648 0 0 0
T216 412 0 0 0
T228 0 1 0 0
T230 0 1 0 0

EnterDetectSt_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 7811606 47 0 0
T12 8691 1 0 0
T13 772 0 0 0
T50 702 0 0 0
T51 0 2 0 0
T52 0 1 0 0
T54 0 1 0 0
T55 0 1 0 0
T56 0 1 0 0
T60 655 0 0 0
T61 832 0 0 0
T69 0 1 0 0
T92 461 0 0 0
T133 0 1 0 0
T213 2976 0 0 0
T214 1444 0 0 0
T215 648 0 0 0
T216 412 0 0 0
T228 0 1 0 0
T230 0 1 0 0

EnterStableSt_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 7811606 46 0 0
T12 8691 1 0 0
T13 772 0 0 0
T50 702 0 0 0
T51 0 2 0 0
T52 0 1 0 0
T54 0 1 0 0
T56 0 1 0 0
T60 655 0 0 0
T61 832 0 0 0
T69 0 1 0 0
T92 461 0 0 0
T133 0 1 0 0
T213 2976 0 0 0
T214 1444 0 0 0
T215 648 0 0 0
T216 412 0 0 0
T228 0 1 0 0
T230 0 1 0 0
T231 0 2 0 0

PulseIsPulse_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 7811606 46 0 0
T12 8691 1 0 0
T13 772 0 0 0
T50 702 0 0 0
T51 0 2 0 0
T52 0 1 0 0
T54 0 1 0 0
T56 0 1 0 0
T60 655 0 0 0
T61 832 0 0 0
T69 0 1 0 0
T92 461 0 0 0
T133 0 1 0 0
T213 2976 0 0 0
T214 1444 0 0 0
T215 648 0 0 0
T216 412 0 0 0
T228 0 1 0 0
T230 0 1 0 0
T231 0 2 0 0

StayInStableSt
NameAttemptsReal SuccessesFailuresIncomplete
Total 7811606 226444 0 0
T12 8691 43 0 0
T13 772 0 0 0
T50 702 0 0 0
T51 0 298 0 0
T52 0 406 0 0
T54 0 45 0 0
T56 0 52 0 0
T60 655 0 0 0
T61 832 0 0 0
T69 0 13 0 0
T92 461 0 0 0
T133 0 57 0 0
T213 2976 0 0 0
T214 1444 0 0 0
T215 648 0 0 0
T216 412 0 0 0
T228 0 250 0 0
T230 0 207 0 0
T231 0 226 0 0

gen_high_level_sva.HighLevelEvent_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 7811606 7356558 0 0
T1 488 88 0 0
T4 496 96 0 0
T5 424 24 0 0
T6 455 55 0 0
T14 792 392 0 0
T15 502 102 0 0
T16 777 377 0 0
T17 429 29 0 0
T18 407 7 0 0
T23 455 55 0 0

gen_not_sticky_sva.StableStDropOut_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 7811606 25 0 0
T12 8691 1 0 0
T13 772 0 0 0
T50 702 0 0 0
T51 0 1 0 0
T60 655 0 0 0
T61 832 0 0 0
T92 461 0 0 0
T133 0 1 0 0
T200 0 1 0 0
T203 0 1 0 0
T212 0 1 0 0
T213 2976 0 0 0
T214 1444 0 0 0
T215 648 0 0 0
T216 412 0 0 0
T228 0 1 0 0
T231 0 1 0 0
T234 0 1 0 0
T269 0 1 0 0

Line Coverage for Instance : tb.dut.u_sysrst_ctrl_keyintr.gen_keyfsm[5].u_sysrst_ctrl_detect_h2l
Line No.TotalCoveredPercent
TOTAL464393.48
CONT_ASSIGN5811100.00
ALWAYS6933100.00
CONT_ASSIGN7611100.00
CONT_ASSIGN9211100.00
CONT_ASSIGN9911100.00
CONT_ASSIGN10111100.00
ALWAYS10433100.00
ALWAYS125322990.62
ALWAYS21933100.00

57 if (EventType inside {LowLevel, EdgeToLow}) begin : gen_trigger_active_low 58 1/1 assign trigger_active = (trigger_i == 1'b0); Tests: T4 T5 T6  59 end else begin : gen_trigger_active_high 60 assign trigger_active = (trigger_i == 1'b1); 61 end 62 63 // In case of edge events, we also need to detect the transition. 64 logic trigger_event; 65 if (EventType inside {EdgeToLow, EdgeToHigh}) begin : gen_trigger_event_edge 66 // This flop is always active, no matter the enable state. 67 logic trigger_active_q; 68 always_ff @(posedge clk_i or negedge rst_ni) begin : p_trigger_reg 69 1/1 if (!rst_ni) begin Tests: T4 T5 T6  70 1/1 trigger_active_q <= 1'b0; Tests: T4 T5 T6  71 end else begin 72 1/1 trigger_active_q <= trigger_active; Tests: T4 T5 T6  73 end 74 end 75 76 1/1 assign trigger_event = trigger_active & ~trigger_active_q; Tests: T4 T5 T6  77 // In case of level events, the event is equal to the level being active. 78 end else begin : gen_trigger_event_level 79 assign trigger_event = trigger_active; 80 end 81 82 ///////////////// 83 // Timer Logic // 84 ///////////////// 85 86 // Take the maximum width of both timer values. 87 localparam int unsigned TimerWidth = 88 (DetectTimerWidth > DebounceTimerWidth) ? DetectTimerWidth : DebounceTimerWidth; 89 90 logic cnt_en, cnt_clr; 91 logic [TimerWidth-1:0] cnt_d, cnt_q; 92 1/1 assign cnt_d = (cnt_clr) ? '0 : Tests: T12 T50 T35  93 (cnt_en) ? cnt_q + 1'b1 : 94 cnt_q; 95 96 97 logic cnt_done, thresh_sel; 98 logic [TimerWidth-1:0] thresh; 99 1/1 assign thresh = (thresh_sel) ? TimerWidth'(cfg_detect_timer_i) : Tests: T6 T1 T19  100 TimerWidth'(cfg_debounce_timer_i); 101 1/1 assign cnt_done = (cnt_q >= thresh); Tests: T6 T1 T19  102 103 always_ff @(posedge clk_i or negedge rst_ni) begin : p_cnt_reg 104 1/1 if (!rst_ni) begin Tests: T4 T5 T6  105 1/1 cnt_q <= '0; Tests: T4 T5 T6  106 end else begin 107 1/1 cnt_q <= cnt_d; Tests: T4 T5 T6  108 end 109 end 110 111 ///////// 112 // FSM // 113 ///////// 114 115 typedef enum logic [1:0] { 116 IdleSt, 117 DebounceSt, 118 DetectSt, 119 StableSt 120 } state_t; 121 122 state_t state_d, state_q; 123 124 always_comb begin : p_fsm 125 1/1 state_d = state_q; Tests: T4 T5 T6  126 127 // Counter controls (clear has priority). 128 1/1 cnt_clr = 1'b0; Tests: T4 T5 T6  129 1/1 cnt_en = 1'b0; Tests: T4 T5 T6  130 131 // Detected outputs 132 1/1 event_detected_o = 1'b0; Tests: T4 T5 T6  133 1/1 event_detected_pulse_o = 1'b0; Tests: T4 T5 T6  134 135 // Threshold select 136 // 0: debounce 137 // 1: detect 138 1/1 thresh_sel = 1'b0; Tests: T4 T5 T6  139 140 1/1 unique case (state_q) Tests: T4 T5 T6  141 //////////////////////////////////////////// 142 // We are waiting for the event to occur. 143 // This can be either a specific level or edge, 144 // depending on the configuration. 145 IdleSt: begin 146 // Stay here if the detector is disabled. 147 1/1 if (trigger_event && cfg_enable_i) begin Tests: T4 T5 T6  148 1/1 state_d = DebounceSt; Tests: T12 T50 T35  149 1/1 cnt_en = 1'b1; Tests: T12 T50 T35  150 end MISSING_ELSE 151 end 152 //////////////////////////////////////////// 153 // If an event has occurred, we back off for 154 // the amount of debounce cycles configured. 155 // Once the timer has expired, we sample the 156 // signal again and check whether it has the 157 // correct level. If so, we move on to the 158 // detection stage, otherwise we fall back. 159 DebounceSt: begin 160 1/1 cnt_en = 1'b1; Tests: T12 T50 T35  161 // Unconditionally go back to idle if the detector is disabled. 162 1/1 if (!cfg_enable_i) begin Tests: T12 T50 T35  163 1/1 state_d = IdleSt; Tests: T35  164 1/1 cnt_clr = 1'b1; Tests: T35  165 1/1 end else if (cnt_done) begin Tests: T12 T50 T35  166 1/1 cnt_clr = 1'b1; Tests: T12 T50 T51  167 1/1 if (trigger_active) begin Tests: T12 T50 T51  168 1/1 state_d = DetectSt; Tests: T12 T50 T51  169 end else begin 170 0/1 ==> state_d = IdleSt; 171 end 172 end MISSING_ELSE 173 end 174 //////////////////////////////////////////// 175 // Once the debounce period has passed, we 176 // check whether the signal remains stable 177 // throughout the entire detection period. 178 // If it is not stable at any cycle, we fall 179 // back to idle. 180 DetectSt: begin 181 1/1 thresh_sel = 1'b1; Tests: T12 T50 T51  182 1/1 cnt_en = 1'b1; Tests: T12 T50 T51  183 // Go back to idle if either the trigger level is not active anymore, or if the 184 // detector is disabled. 185 1/1 if (!cfg_enable_i || !trigger_active) begin Tests: T12 T50 T51  186 0/1 ==> state_d = IdleSt; 187 0/1 ==> cnt_clr = 1'b1; 188 // If the trigger is active, count up. 189 end else begin 190 1/1 if (cnt_done) begin Tests: T12 T50 T51  191 1/1 state_d = StableSt; Tests: T12 T50 T51  192 1/1 cnt_clr = 1'b1; Tests: T12 T50 T51  193 1/1 event_detected_o = 1'b1; Tests: T12 T50 T51  194 1/1 event_detected_pulse_o = 1'b1; Tests: T12 T50 T51  195 end ==> MISSING_ELSE 196 end 197 end 198 //////////////////////////////////////////// 199 // At this point we have detected the event 200 // and monitor whether the signal remains stable. 201 StableSt: begin 202 // Go back to idle if either the trigger level is not active anymore, or if the detector is 203 // disabled. Note that if the detector is sticky, it has to be explicitly disabled in order 204 // to go back to the idle state. 205 1/1 if (!cfg_enable_i || (!trigger_active && !Sticky)) begin Tests: T12 T50 T51  206 1/1 state_d = IdleSt; Tests: T50 T51 T69  207 // Otherwise keep the event detected output signal high. 208 end else begin 209 1/1 event_detected_o = 1'b1; Tests: T12 T50 T51  210 end 211 end 212 //////////////////////////////////////////// 213 // This is a full case statement 214 default: ; Exclude Annotation: VC_COV_UNR 215 endcase // state_q 216 end 217 218 always_ff @(posedge clk_i or negedge rst_ni) begin : p_fsm_reg 219 1/1 if (!rst_ni) begin Tests: T4 T5 T6  220 1/1 state_q <= IdleSt; Tests: T4 T5 T6  221 end else begin 222 1/1 state_q <= state_d; Tests: T4 T5 T6 

Cond Coverage for Instance : tb.dut.u_sysrst_ctrl_keyintr.gen_keyfsm[5].u_sysrst_ctrl_detect_h2l
TotalCoveredPercent
Conditions222090.91
Logical222090.91
Non-Logical00
Event00

 LINE       58
 EXPRESSION (trigger_i == 1'b0)
            ---------1---------
-1-StatusTests
0CoveredT4,T5,T6
1CoveredT4,T5,T6

 LINE       76
 EXPRESSION (trigger_active & ((~gen_trigger_event_edge.trigger_active_q)))
             -------1------   ----------------------2---------------------
-1--2-StatusTests
01CoveredT4,T5,T6
10CoveredT4,T5,T6
11CoveredT4,T5,T6

 LINE       92
 EXPRESSION (cnt_clr ? '0 : (cnt_en ? ((cnt_q + 1'b1)) : cnt_q))
             ---1---
-1-StatusTests
0CoveredT4,T5,T6
1CoveredT12,T50,T35

 LINE       92
 SUB-EXPRESSION (cnt_en ? ((cnt_q + 1'b1)) : cnt_q)
                 ---1--
-1-StatusTests
0CoveredT4,T5,T6
1CoveredT12,T50,T35

 LINE       99
 EXPRESSION (thresh_sel ? (16'(cfg_detect_timer_i)) : (16'(cfg_debounce_timer_i)))
             -----1----
-1-StatusTests
0CoveredT4,T5,T6
1CoveredT12,T50,T51

 LINE       147
 EXPRESSION (trigger_event && cfg_enable_i)
             ------1------    ------2-----
-1--2-StatusTests
01CoveredT7,T12,T50
10CoveredT4,T5,T23
11CoveredT12,T50,T35

 LINE       185
 EXPRESSION (((!cfg_enable_i)) || ((!trigger_active)))
             --------1--------    ---------2---------
-1--2-StatusTests
00CoveredT12,T50,T51
01Not Covered
10Not Covered

 LINE       205
 EXPRESSION (((!cfg_enable_i)) || (((!trigger_active)) && ((!Sticky))))
             --------1--------    ------------------2-----------------
-1--2-StatusTests
00CoveredT12,T50,T51
01CoveredT50,T51,T212
10CoveredT69

 LINE       205
 SUB-EXPRESSION (((!trigger_active)) && ((!Sticky)))
                 ---------1---------    -----2-----
-1--2-StatusTests
0-CoveredT12,T50,T51
1-CoveredT50,T51,T212

FSM Coverage for Instance : tb.dut.u_sysrst_ctrl_keyintr.gen_keyfsm[5].u_sysrst_ctrl_detect_h2l
Summary for FSM :: state_q
TotalCoveredPercent
States 4 4 100.00 (Not included in score)
Transitions 6 5 83.33
Sequences 0 0

State, Transition and Sequence Details for FSM :: state_q
statesLine No.CoveredTests
DebounceSt 148 Covered T12,T50,T35
DetectSt 168 Covered T12,T50,T51
IdleSt 163 Covered T4,T5,T6
StableSt 191 Covered T12,T50,T51


transitionsLine No.CoveredTests
DebounceSt->DetectSt 168 Covered T12,T50,T51
DebounceSt->IdleSt 163 Covered T35
DetectSt->IdleSt 186 Not Covered
DetectSt->StableSt 191 Covered T12,T50,T51
IdleSt->DebounceSt 148 Covered T12,T50,T35
StableSt->IdleSt 206 Covered T12,T50,T51



Branch Coverage for Instance : tb.dut.u_sysrst_ctrl_keyintr.gen_keyfsm[5].u_sysrst_ctrl_detect_h2l
Line No.TotalCoveredPercent
Branches 21 19 90.48
TERNARY 92 3 3 100.00
TERNARY 99 2 2 100.00
IF 104 2 2 100.00
CASE 140 10 8 80.00
IF 219 2 2 100.00
IF 69 2 2 100.00


92 assign cnt_d = (cnt_clr) ? '0 : -1- ==> 93 (cnt_en) ? cnt_q + 1'b1 : -2- ==> ==>

Branches:
-1--2-StatusTests
1 - Covered T12,T50,T35
0 1 Covered T12,T50,T35
0 0 Covered T4,T5,T6


99 assign thresh = (thresh_sel) ? TimerWidth'(cfg_detect_timer_i) : -1- ==> ==>

Branches:
-1-StatusTests
1 Covered T12,T50,T51
0 Covered T4,T5,T6


104 if (!rst_ni) begin -1- 105 cnt_q <= '0; ==> 106 end else begin 107 cnt_q <= cnt_d; ==>

Branches:
-1-StatusTests
1 Covered T4,T5,T6
0 Covered T4,T5,T6


140 unique case (state_q) -1- 141 //////////////////////////////////////////// 142 // We are waiting for the event to occur. 143 // This can be either a specific level or edge, 144 // depending on the configuration. 145 IdleSt: begin 146 // Stay here if the detector is disabled. 147 if (trigger_event && cfg_enable_i) begin -2- 148 state_d = DebounceSt; ==> 149 cnt_en = 1'b1; 150 end MISSING_ELSE ==> 151 end 152 //////////////////////////////////////////// 153 // If an event has occurred, we back off for 154 // the amount of debounce cycles configured. 155 // Once the timer has expired, we sample the 156 // signal again and check whether it has the 157 // correct level. If so, we move on to the 158 // detection stage, otherwise we fall back. 159 DebounceSt: begin 160 cnt_en = 1'b1; 161 // Unconditionally go back to idle if the detector is disabled. 162 if (!cfg_enable_i) begin -3- 163 state_d = IdleSt; ==> 164 cnt_clr = 1'b1; 165 end else if (cnt_done) begin -4- 166 cnt_clr = 1'b1; 167 if (trigger_active) begin -5- 168 state_d = DetectSt; ==> 169 end else begin 170 state_d = IdleSt; ==> 171 end 172 end MISSING_ELSE ==> 173 end 174 //////////////////////////////////////////// 175 // Once the debounce period has passed, we 176 // check whether the signal remains stable 177 // throughout the entire detection period. 178 // If it is not stable at any cycle, we fall 179 // back to idle. 180 DetectSt: begin 181 thresh_sel = 1'b1; 182 cnt_en = 1'b1; 183 // Go back to idle if either the trigger level is not active anymore, or if the 184 // detector is disabled. 185 if (!cfg_enable_i || !trigger_active) begin -6- 186 state_d = IdleSt; ==> 187 cnt_clr = 1'b1; 188 // If the trigger is active, count up. 189 end else begin 190 if (cnt_done) begin -7- 191 state_d = StableSt; ==> 192 cnt_clr = 1'b1; 193 event_detected_o = 1'b1; 194 event_detected_pulse_o = 1'b1; 195 end MISSING_ELSE ==> (Excluded) Exclude Annotation: VC_COV_UNR 196 end 197 end 198 //////////////////////////////////////////// 199 // At this point we have detected the event 200 // and monitor whether the signal remains stable. 201 StableSt: begin 202 // Go back to idle if either the trigger level is not active anymore, or if the detector is 203 // disabled. Note that if the detector is sticky, it has to be explicitly disabled in order 204 // to go back to the idle state. 205 if (!cfg_enable_i || (!trigger_active && !Sticky)) begin -8- 206 state_d = IdleSt; ==> 207 // Otherwise keep the event detected output signal high. 208 end else begin 209 event_detected_o = 1'b1; ==> 210 end 211 end 212 //////////////////////////////////////////// 213 // This is a full case statement 214 default: ; ==> (Excluded) Exclude Annotation: VC_COV_UNR

Branches:
-1--2--3--4--5--6--7--8-StatusTestsExclude Annotation
IdleSt 1 - - - - - - Covered T12,T50,T35
IdleSt 0 - - - - - - Covered T4,T5,T6
DebounceSt - 1 - - - - - Covered T35
DebounceSt - 0 1 1 - - - Covered T12,T50,T51
DebounceSt - 0 1 0 - - - Not Covered
DebounceSt - 0 0 - - - - Covered T12,T50,T35
DetectSt - - - - 1 - - Not Covered
DetectSt - - - - 0 1 - Covered T12,T50,T51
DetectSt - - - - 0 0 - Excluded VC_COV_UNR
StableSt - - - - - - 1 Covered T50,T51,T69
StableSt - - - - - - 0 Covered T12,T50,T51
default - - - - - - - Excluded VC_COV_UNR


219 if (!rst_ni) begin -1- 220 state_q <= IdleSt; ==> 221 end else begin 222 state_q <= state_d; ==>

Branches:
-1-StatusTests
1 Covered T4,T5,T6
0 Covered T4,T5,T6


69 if (!rst_ni) begin -1- 70 trigger_active_q <= 1'b0; ==> 71 end else begin 72 trigger_active_q <= trigger_active; ==>

Branches:
-1-StatusTests
1 Covered T4,T5,T6
0 Covered T4,T5,T6


Assert Coverage for Instance : tb.dut.u_sysrst_ctrl_keyintr.gen_keyfsm[5].u_sysrst_ctrl_detect_h2l
TotalAttemptedPercentSucceeded/MatchedPercent
Assertions 16 16 100.00 15 93.75
Cover properties 0 0 0
Cover sequences 0 0 0
Total 16 16 100.00 15 93.75




Assertion Details

NameAttemptsReal SuccessesFailuresIncomplete
CntClr_A 7811606 49 0 0
CntIncr_A 7811606 56141 0 0
CntNoWrap_A 7811606 7354567 0 0
DetectStDropOut_A 7811606 0 0 0
DetectedOut_A 7811606 66865 0 0
DetectedPulseOut_A 7811606 24 0 0
DisabledIdleSt_A 7811606 6915256 0 0
DisabledNoDetection_A 7811606 6917160 0 0
EnterDebounceSt_A 7811606 25 0 0
EnterDetectSt_A 7811606 24 0 0
EnterStableSt_A 7811606 24 0 0
PulseIsPulse_A 7811606 24 0 0
StayInStableSt 7811606 66829 0 0
gen_edge_to_low_event_sva.EdgeToLowEvent_A 7811606 5108 0 0
gen_low_level_sva.LowLevelEvent_A 7811606 7356558 0 0
gen_not_sticky_sva.StableStDropOut_A 7811606 11 0 0


CntClr_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 7811606 49 0 0
T12 8691 2 0 0
T13 772 0 0 0
T35 0 1 0 0
T50 702 2 0 0
T51 0 2 0 0
T60 655 0 0 0
T61 832 0 0 0
T69 0 2 0 0
T92 461 0 0 0
T212 0 2 0 0
T213 2976 0 0 0
T214 1444 0 0 0
T215 648 0 0 0
T216 412 0 0 0
T251 0 2 0 0
T252 0 2 0 0
T269 0 4 0 0
T279 0 2 0 0

CntIncr_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 7811606 56141 0 0
T12 8691 97 0 0
T13 772 0 0 0
T35 0 15 0 0
T50 702 44 0 0
T51 0 73 0 0
T60 655 0 0 0
T61 832 0 0 0
T69 0 27 0 0
T92 461 0 0 0
T212 0 54854 0 0
T213 2976 0 0 0
T214 1444 0 0 0
T215 648 0 0 0
T216 412 0 0 0
T251 0 95 0 0
T252 0 94 0 0
T269 0 48 0 0
T279 0 33 0 0

CntNoWrap_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 7811606 7354567 0 0
T1 488 87 0 0
T4 496 95 0 0
T5 424 23 0 0
T6 455 54 0 0
T14 792 391 0 0
T15 502 101 0 0
T16 777 376 0 0
T17 429 28 0 0
T18 407 6 0 0
T23 455 54 0 0

DetectStDropOut_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 7811606 0 0 0

DetectedOut_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 7811606 66865 0 0
T12 8691 214 0 0
T13 772 0 0 0
T50 702 88 0 0
T51 0 146 0 0
T60 655 0 0 0
T61 832 0 0 0
T69 0 14 0 0
T92 461 0 0 0
T212 0 64638 0 0
T213 2976 0 0 0
T214 1444 0 0 0
T215 648 0 0 0
T216 412 0 0 0
T251 0 47 0 0
T252 0 101 0 0
T253 0 43 0 0
T269 0 81 0 0
T279 0 43 0 0

DetectedPulseOut_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 7811606 24 0 0
T12 8691 1 0 0
T13 772 0 0 0
T50 702 1 0 0
T51 0 1 0 0
T60 655 0 0 0
T61 832 0 0 0
T69 0 1 0 0
T92 461 0 0 0
T212 0 1 0 0
T213 2976 0 0 0
T214 1444 0 0 0
T215 648 0 0 0
T216 412 0 0 0
T251 0 1 0 0
T252 0 1 0 0
T253 0 2 0 0
T269 0 2 0 0
T279 0 1 0 0

DisabledIdleSt_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 7811606 6915256 0 0
T1 488 87 0 0
T4 496 95 0 0
T5 424 23 0 0
T6 455 54 0 0
T14 792 391 0 0
T15 502 101 0 0
T16 777 376 0 0
T17 429 28 0 0
T18 407 6 0 0
T23 455 54 0 0

DisabledNoDetection_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 7811606 6917160 0 0
T1 488 88 0 0
T4 496 96 0 0
T5 424 24 0 0
T6 455 55 0 0
T14 792 392 0 0
T15 502 102 0 0
T16 777 377 0 0
T17 429 29 0 0
T18 407 7 0 0
T23 455 55 0 0

EnterDebounceSt_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 7811606 25 0 0
T12 8691 1 0 0
T13 772 0 0 0
T35 0 1 0 0
T50 702 1 0 0
T51 0 1 0 0
T60 655 0 0 0
T61 832 0 0 0
T69 0 1 0 0
T92 461 0 0 0
T212 0 1 0 0
T213 2976 0 0 0
T214 1444 0 0 0
T215 648 0 0 0
T216 412 0 0 0
T251 0 1 0 0
T252 0 1 0 0
T269 0 2 0 0
T279 0 1 0 0

EnterDetectSt_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 7811606 24 0 0
T12 8691 1 0 0
T13 772 0 0 0
T50 702 1 0 0
T51 0 1 0 0
T60 655 0 0 0
T61 832 0 0 0
T69 0 1 0 0
T92 461 0 0 0
T212 0 1 0 0
T213 2976 0 0 0
T214 1444 0 0 0
T215 648 0 0 0
T216 412 0 0 0
T251 0 1 0 0
T252 0 1 0 0
T253 0 2 0 0
T269 0 2 0 0
T279 0 1 0 0

EnterStableSt_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 7811606 24 0 0
T12 8691 1 0 0
T13 772 0 0 0
T50 702 1 0 0
T51 0 1 0 0
T60 655 0 0 0
T61 832 0 0 0
T69 0 1 0 0
T92 461 0 0 0
T212 0 1 0 0
T213 2976 0 0 0
T214 1444 0 0 0
T215 648 0 0 0
T216 412 0 0 0
T251 0 1 0 0
T252 0 1 0 0
T253 0 2 0 0
T269 0 2 0 0
T279 0 1 0 0

PulseIsPulse_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 7811606 24 0 0
T12 8691 1 0 0
T13 772 0 0 0
T50 702 1 0 0
T51 0 1 0 0
T60 655 0 0 0
T61 832 0 0 0
T69 0 1 0 0
T92 461 0 0 0
T212 0 1 0 0
T213 2976 0 0 0
T214 1444 0 0 0
T215 648 0 0 0
T216 412 0 0 0
T251 0 1 0 0
T252 0 1 0 0
T253 0 2 0 0
T269 0 2 0 0
T279 0 1 0 0

StayInStableSt
NameAttemptsReal SuccessesFailuresIncomplete
Total 7811606 66829 0 0
T12 8691 212 0 0
T13 772 0 0 0
T50 702 87 0 0
T51 0 145 0 0
T60 655 0 0 0
T61 832 0 0 0
T69 0 13 0 0
T92 461 0 0 0
T212 0 64637 0 0
T213 2976 0 0 0
T214 1444 0 0 0
T215 648 0 0 0
T216 412 0 0 0
T251 0 45 0 0
T252 0 100 0 0
T253 0 40 0 0
T269 0 78 0 0
T279 0 42 0 0

gen_edge_to_low_event_sva.EdgeToLowEvent_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 7811606 5108 0 0
T1 488 1 0 0
T4 496 6 0 0
T5 424 3 0 0
T6 455 0 0 0
T14 792 0 0 0
T15 502 4 0 0
T16 777 0 0 0
T17 429 2 0 0
T18 407 0 0 0
T19 0 1 0 0
T20 0 5 0 0
T21 0 1 0 0
T22 0 7 0 0
T23 455 9 0 0

gen_low_level_sva.LowLevelEvent_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 7811606 7356558 0 0
T1 488 88 0 0
T4 496 96 0 0
T5 424 24 0 0
T6 455 55 0 0
T14 792 392 0 0
T15 502 102 0 0
T16 777 377 0 0
T17 429 29 0 0
T18 407 7 0 0
T23 455 55 0 0

gen_not_sticky_sva.StableStDropOut_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 7811606 11 0 0
T35 5877 0 0 0
T50 702 1 0 0
T51 0 1 0 0
T61 832 0 0 0
T84 503 0 0 0
T93 472 0 0 0
T138 572 0 0 0
T139 1947 0 0 0
T212 0 1 0 0
T216 412 0 0 0
T236 0 1 0 0
T252 0 1 0 0
T253 0 1 0 0
T256 0 1 0 0
T269 0 1 0 0
T277 434 0 0 0
T278 427 0 0 0
T279 0 1 0 0
T285 0 1 0 0

Line Coverage for Instance : tb.dut.u_sysrst_ctrl_keyintr.gen_keyfsm[6].u_sysrst_ctrl_detect_l2h
Line No.TotalCoveredPercent
TOTAL4646100.00
CONT_ASSIGN6011100.00
ALWAYS6933100.00
CONT_ASSIGN7611100.00
CONT_ASSIGN9211100.00
CONT_ASSIGN9911100.00
CONT_ASSIGN10111100.00
ALWAYS10433100.00
ALWAYS1253232100.00
ALWAYS21933100.00

59 end else begin : gen_trigger_active_high 60 1/1 assign trigger_active = (trigger_i == 1'b1); Tests: T4 T5 T23  61 end 62 63 // In case of edge events, we also need to detect the transition. 64 logic trigger_event; 65 if (EventType inside {EdgeToLow, EdgeToHigh}) begin : gen_trigger_event_edge 66 // This flop is always active, no matter the enable state. 67 logic trigger_active_q; 68 always_ff @(posedge clk_i or negedge rst_ni) begin : p_trigger_reg 69 1/1 if (!rst_ni) begin Tests: T4 T5 T6  70 1/1 trigger_active_q <= 1'b0; Tests: T4 T5 T6  71 end else begin 72 1/1 trigger_active_q <= trigger_active; Tests: T4 T5 T6  73 end 74 end 75 76 1/1 assign trigger_event = trigger_active & ~trigger_active_q; Tests: T4 T5 T23  77 // In case of level events, the event is equal to the level being active. 78 end else begin : gen_trigger_event_level 79 assign trigger_event = trigger_active; 80 end 81 82 ///////////////// 83 // Timer Logic // 84 ///////////////// 85 86 // Take the maximum width of both timer values. 87 localparam int unsigned TimerWidth = 88 (DetectTimerWidth > DebounceTimerWidth) ? DetectTimerWidth : DebounceTimerWidth; 89 90 logic cnt_en, cnt_clr; 91 logic [TimerWidth-1:0] cnt_d, cnt_q; 92 1/1 assign cnt_d = (cnt_clr) ? '0 : Tests: T3 T7 T12  93 (cnt_en) ? cnt_q + 1'b1 : 94 cnt_q; 95 96 97 logic cnt_done, thresh_sel; 98 logic [TimerWidth-1:0] thresh; 99 1/1 assign thresh = (thresh_sel) ? TimerWidth'(cfg_detect_timer_i) : Tests: T6 T1 T19  100 TimerWidth'(cfg_debounce_timer_i); 101 1/1 assign cnt_done = (cnt_q >= thresh); Tests: T6 T1 T19  102 103 always_ff @(posedge clk_i or negedge rst_ni) begin : p_cnt_reg 104 1/1 if (!rst_ni) begin Tests: T4 T5 T6  105 1/1 cnt_q <= '0; Tests: T4 T5 T6  106 end else begin 107 1/1 cnt_q <= cnt_d; Tests: T4 T5 T6  108 end 109 end 110 111 ///////// 112 // FSM // 113 ///////// 114 115 typedef enum logic [1:0] { 116 IdleSt, 117 DebounceSt, 118 DetectSt, 119 StableSt 120 } state_t; 121 122 state_t state_d, state_q; 123 124 always_comb begin : p_fsm 125 1/1 state_d = state_q; Tests: T4 T5 T23  126 127 // Counter controls (clear has priority). 128 1/1 cnt_clr = 1'b0; Tests: T4 T5 T23  129 1/1 cnt_en = 1'b0; Tests: T4 T5 T23  130 131 // Detected outputs 132 1/1 event_detected_o = 1'b0; Tests: T4 T5 T23  133 1/1 event_detected_pulse_o = 1'b0; Tests: T4 T5 T23  134 135 // Threshold select 136 // 0: debounce 137 // 1: detect 138 1/1 thresh_sel = 1'b0; Tests: T4 T5 T23  139 140 1/1 unique case (state_q) Tests: T4 T5 T23  141 //////////////////////////////////////////// 142 // We are waiting for the event to occur. 143 // This can be either a specific level or edge, 144 // depending on the configuration. 145 IdleSt: begin 146 // Stay here if the detector is disabled. 147 1/1 if (trigger_event && cfg_enable_i) begin Tests: T4 T5 T23  148 1/1 state_d = DebounceSt; Tests: T3 T7 T12  149 1/1 cnt_en = 1'b1; Tests: T3 T7 T12  150 end MISSING_ELSE 151 end 152 //////////////////////////////////////////// 153 // If an event has occurred, we back off for 154 // the amount of debounce cycles configured. 155 // Once the timer has expired, we sample the 156 // signal again and check whether it has the 157 // correct level. If so, we move on to the 158 // detection stage, otherwise we fall back. 159 DebounceSt: begin 160 1/1 cnt_en = 1'b1; Tests: T3 T7 T12  161 // Unconditionally go back to idle if the detector is disabled. 162 1/1 if (!cfg_enable_i) begin Tests: T3 T7 T12  163 1/1 state_d = IdleSt; Tests: T35  164 1/1 cnt_clr = 1'b1; Tests: T35  165 1/1 end else if (cnt_done) begin Tests: T3 T7 T12  166 1/1 cnt_clr = 1'b1; Tests: T3 T7 T12  167 1/1 if (trigger_active) begin Tests: T3 T7 T12  168 1/1 state_d = DetectSt; Tests: T3 T7 T12  169 end else begin 170 1/1 state_d = IdleSt; Tests: T52 T201 T286  171 end 172 end MISSING_ELSE 173 end 174 //////////////////////////////////////////// 175 // Once the debounce period has passed, we 176 // check whether the signal remains stable 177 // throughout the entire detection period. 178 // If it is not stable at any cycle, we fall 179 // back to idle. 180 DetectSt: begin 181 1/1 thresh_sel = 1'b1; Tests: T3 T7 T12  182 1/1 cnt_en = 1'b1; Tests: T3 T7 T12  183 // Go back to idle if either the trigger level is not active anymore, or if the 184 // detector is disabled. 185 1/1 if (!cfg_enable_i || !trigger_active) begin Tests: T3 T7 T12  186 1/1 state_d = IdleSt; Tests: T3  187 1/1 cnt_clr = 1'b1; Tests: T3  188 // If the trigger is active, count up. 189 end else begin 190 1/1 if (cnt_done) begin Tests: T7 T12 T50  191 1/1 state_d = StableSt; Tests: T7 T12 T50  192 1/1 cnt_clr = 1'b1; Tests: T7 T12 T50  193 1/1 event_detected_o = 1'b1; Tests: T7 T12 T50  194 1/1 event_detected_pulse_o = 1'b1; Tests: T7 T12 T50  195 end ==> MISSING_ELSE 196 end 197 end 198 //////////////////////////////////////////// 199 // At this point we have detected the event 200 // and monitor whether the signal remains stable. 201 StableSt: begin 202 // Go back to idle if either the trigger level is not active anymore, or if the detector is 203 // disabled. Note that if the detector is sticky, it has to be explicitly disabled in order 204 // to go back to the idle state. 205 1/1 if (!cfg_enable_i || (!trigger_active && !Sticky)) begin Tests: T7 T12 T50  206 1/1 state_d = IdleSt; Tests: T50 T52 T51  207 // Otherwise keep the event detected output signal high. 208 end else begin 209 1/1 event_detected_o = 1'b1; Tests: T7 T12 T50  210 end 211 end 212 //////////////////////////////////////////// 213 // This is a full case statement 214 default: ; Exclude Annotation: VC_COV_UNR 215 endcase // state_q 216 end 217 218 always_ff @(posedge clk_i or negedge rst_ni) begin : p_fsm_reg 219 1/1 if (!rst_ni) begin Tests: T4 T5 T6  220 1/1 state_q <= IdleSt; Tests: T4 T5 T6  221 end else begin 222 1/1 state_q <= state_d; Tests: T4 T5 T6 

Cond Coverage for Instance : tb.dut.u_sysrst_ctrl_keyintr.gen_keyfsm[6].u_sysrst_ctrl_detect_l2h
TotalCoveredPercent
Conditions222195.45
Logical222195.45
Non-Logical00
Event00

 LINE       60
 EXPRESSION (trigger_i == 1'b1)
            ---------1---------
-1-StatusTests
0CoveredT4,T5,T6
1CoveredT4,T5,T23

 LINE       76
 EXPRESSION (trigger_active & ((~gen_trigger_event_edge.trigger_active_q)))
             -------1------   ----------------------2---------------------
-1--2-StatusTests
01CoveredT4,T5,T6
10CoveredT4,T5,T23
11CoveredT4,T5,T23

 LINE       92
 EXPRESSION (cnt_clr ? '0 : (cnt_en ? ((cnt_q + 1'b1)) : cnt_q))
             ---1---
-1-StatusTests
0CoveredT4,T5,T6
1CoveredT3,T7,T12

 LINE       92
 SUB-EXPRESSION (cnt_en ? ((cnt_q + 1'b1)) : cnt_q)
                 ---1--
-1-StatusTests
0CoveredT4,T5,T6
1CoveredT3,T7,T12

 LINE       99
 EXPRESSION (thresh_sel ? (16'(cfg_detect_timer_i)) : (16'(cfg_debounce_timer_i)))
             -----1----
-1-StatusTests
0CoveredT4,T5,T6
1CoveredT3,T7,T12

 LINE       147
 EXPRESSION (trigger_event && cfg_enable_i)
             ------1------    ------2-----
-1--2-StatusTests
01CoveredT3,T7,T12
10CoveredT4,T5,T23
11CoveredT3,T7,T12

 LINE       185
 EXPRESSION (((!cfg_enable_i)) || ((!trigger_active)))
             --------1--------    ---------2---------
-1--2-StatusTests
00CoveredT7,T12,T50
01CoveredT3
10Not Covered

 LINE       205
 EXPRESSION (((!cfg_enable_i)) || (((!trigger_active)) && ((!Sticky))))
             --------1--------    ------------------2-----------------
-1--2-StatusTests
00CoveredT7,T12,T50
01CoveredT50,T52,T51
10CoveredT69

 LINE       205
 SUB-EXPRESSION (((!trigger_active)) && ((!Sticky)))
                 ---------1---------    -----2-----
-1--2-StatusTests
0-CoveredT7,T12,T50
1-CoveredT50,T52,T51

FSM Coverage for Instance : tb.dut.u_sysrst_ctrl_keyintr.gen_keyfsm[6].u_sysrst_ctrl_detect_l2h
Summary for FSM :: state_q
TotalCoveredPercent
States 4 4 100.00 (Not included in score)
Transitions 6 6 100.00
Sequences 0 0

State, Transition and Sequence Details for FSM :: state_q
statesLine No.CoveredTests
DebounceSt 148 Covered T3,T7,T12
DetectSt 168 Covered T3,T7,T12
IdleSt 163 Covered T4,T5,T6
StableSt 191 Covered T7,T12,T50


transitionsLine No.CoveredTests
DebounceSt->DetectSt 168 Covered T3,T7,T12
DebounceSt->IdleSt 163 Covered T35,T52,T201
DetectSt->IdleSt 186 Covered T3
DetectSt->StableSt 191 Covered T7,T12,T50
IdleSt->DebounceSt 148 Covered T3,T7,T12
StableSt->IdleSt 206 Covered T12,T50,T52



Branch Coverage for Instance : tb.dut.u_sysrst_ctrl_keyintr.gen_keyfsm[6].u_sysrst_ctrl_detect_l2h
Line No.TotalCoveredPercent
Branches 21 21 100.00
TERNARY 92 3 3 100.00
TERNARY 99 2 2 100.00
IF 104 2 2 100.00
CASE 140 10 10 100.00
IF 219 2 2 100.00
IF 69 2 2 100.00


92 assign cnt_d = (cnt_clr) ? '0 : -1- ==> 93 (cnt_en) ? cnt_q + 1'b1 : -2- ==> ==>

Branches:
-1--2-StatusTests
1 - Covered T3,T7,T12
0 1 Covered T3,T7,T12
0 0 Covered T4,T5,T6


99 assign thresh = (thresh_sel) ? TimerWidth'(cfg_detect_timer_i) : -1- ==> ==>

Branches:
-1-StatusTests
1 Covered T3,T7,T12
0 Covered T4,T5,T6


104 if (!rst_ni) begin -1- 105 cnt_q <= '0; ==> 106 end else begin 107 cnt_q <= cnt_d; ==>

Branches:
-1-StatusTests
1 Covered T4,T5,T6
0 Covered T4,T5,T6


140 unique case (state_q) -1- 141 //////////////////////////////////////////// 142 // We are waiting for the event to occur. 143 // This can be either a specific level or edge, 144 // depending on the configuration. 145 IdleSt: begin 146 // Stay here if the detector is disabled. 147 if (trigger_event && cfg_enable_i) begin -2- 148 state_d = DebounceSt; ==> 149 cnt_en = 1'b1; 150 end MISSING_ELSE ==> 151 end 152 //////////////////////////////////////////// 153 // If an event has occurred, we back off for 154 // the amount of debounce cycles configured. 155 // Once the timer has expired, we sample the 156 // signal again and check whether it has the 157 // correct level. If so, we move on to the 158 // detection stage, otherwise we fall back. 159 DebounceSt: begin 160 cnt_en = 1'b1; 161 // Unconditionally go back to idle if the detector is disabled. 162 if (!cfg_enable_i) begin -3- 163 state_d = IdleSt; ==> 164 cnt_clr = 1'b1; 165 end else if (cnt_done) begin -4- 166 cnt_clr = 1'b1; 167 if (trigger_active) begin -5- 168 state_d = DetectSt; ==> 169 end else begin 170 state_d = IdleSt; ==> 171 end 172 end MISSING_ELSE ==> 173 end 174 //////////////////////////////////////////// 175 // Once the debounce period has passed, we 176 // check whether the signal remains stable 177 // throughout the entire detection period. 178 // If it is not stable at any cycle, we fall 179 // back to idle. 180 DetectSt: begin 181 thresh_sel = 1'b1; 182 cnt_en = 1'b1; 183 // Go back to idle if either the trigger level is not active anymore, or if the 184 // detector is disabled. 185 if (!cfg_enable_i || !trigger_active) begin -6- 186 state_d = IdleSt; ==> 187 cnt_clr = 1'b1; 188 // If the trigger is active, count up. 189 end else begin 190 if (cnt_done) begin -7- 191 state_d = StableSt; ==> 192 cnt_clr = 1'b1; 193 event_detected_o = 1'b1; 194 event_detected_pulse_o = 1'b1; 195 end MISSING_ELSE ==> (Excluded) Exclude Annotation: VC_COV_UNR 196 end 197 end 198 //////////////////////////////////////////// 199 // At this point we have detected the event 200 // and monitor whether the signal remains stable. 201 StableSt: begin 202 // Go back to idle if either the trigger level is not active anymore, or if the detector is 203 // disabled. Note that if the detector is sticky, it has to be explicitly disabled in order 204 // to go back to the idle state. 205 if (!cfg_enable_i || (!trigger_active && !Sticky)) begin -8- 206 state_d = IdleSt; ==> 207 // Otherwise keep the event detected output signal high. 208 end else begin 209 event_detected_o = 1'b1; ==> 210 end 211 end 212 //////////////////////////////////////////// 213 // This is a full case statement 214 default: ; ==> (Excluded) Exclude Annotation: VC_COV_UNR

Branches:
-1--2--3--4--5--6--7--8-StatusTestsExclude Annotation
IdleSt 1 - - - - - - Covered T3,T7,T12
IdleSt 0 - - - - - - Covered T4,T5,T23
DebounceSt - 1 - - - - - Covered T35
DebounceSt - 0 1 1 - - - Covered T3,T7,T12
DebounceSt - 0 1 0 - - - Covered T52,T201,T286
DebounceSt - 0 0 - - - - Covered T3,T7,T12
DetectSt - - - - 1 - - Covered T3
DetectSt - - - - 0 1 - Covered T7,T12,T50
DetectSt - - - - 0 0 - Excluded VC_COV_UNR
StableSt - - - - - - 1 Covered T50,T52,T51
StableSt - - - - - - 0 Covered T7,T12,T50
default - - - - - - - Excluded VC_COV_UNR


219 if (!rst_ni) begin -1- 220 state_q <= IdleSt; ==> 221 end else begin 222 state_q <= state_d; ==>

Branches:
-1-StatusTests
1 Covered T4,T5,T6
0 Covered T4,T5,T6


69 if (!rst_ni) begin -1- 70 trigger_active_q <= 1'b0; ==> 71 end else begin 72 trigger_active_q <= trigger_active; ==>

Branches:
-1-StatusTests
1 Covered T4,T5,T6
0 Covered T4,T5,T6


Assert Coverage for Instance : tb.dut.u_sysrst_ctrl_keyintr.gen_keyfsm[6].u_sysrst_ctrl_detect_l2h
TotalAttemptedPercentSucceeded/MatchedPercent
Assertions 15 15 100.00 15 100.00
Cover properties 0 0 0
Cover sequences 0 0 0
Total 15 15 100.00 15 100.00




Assertion Details

NameAttemptsReal SuccessesFailuresIncomplete
CntClr_A 7811606 101 0 0
CntIncr_A 7811606 350748 0 0
CntNoWrap_A 7811606 7354515 0 0
DetectStDropOut_A 7811606 1 0 0
DetectedOut_A 7811606 6479 0 0
DetectedPulseOut_A 7811606 45 0 0
DisabledIdleSt_A 7811606 6664535 0 0
DisabledNoDetection_A 7811606 6666436 0 0
EnterDebounceSt_A 7811606 55 0 0
EnterDetectSt_A 7811606 46 0 0
EnterStableSt_A 7811606 45 0 0
PulseIsPulse_A 7811606 45 0 0
StayInStableSt 7811606 6416 0 0
gen_high_level_sva.HighLevelEvent_A 7811606 7356558 0 0
gen_not_sticky_sva.StableStDropOut_A 7811606 26 0 0


CntClr_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 7811606 101 0 0
T3 779 2 0 0
T7 0 2 0 0
T9 506 0 0 0
T12 0 2 0 0
T30 497 0 0 0
T33 470 0 0 0
T35 0 1 0 0
T49 0 4 0 0
T50 0 2 0 0
T51 0 6 0 0
T52 0 3 0 0
T55 0 2 0 0
T69 0 2 0 0
T80 409 0 0 0
T81 502 0 0 0
T82 1405 0 0 0
T83 439 0 0 0
T89 510 0 0 0
T91 404 0 0 0

CntIncr_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 7811606 350748 0 0
T3 779 88 0 0
T7 0 91 0 0
T9 506 0 0 0
T12 0 97 0 0
T30 497 0 0 0
T33 470 0 0 0
T35 0 15 0 0
T49 0 142 0 0
T50 0 44 0 0
T51 0 219 0 0
T52 0 196 0 0
T55 0 35 0 0
T69 0 27 0 0
T80 409 0 0 0
T81 502 0 0 0
T82 1405 0 0 0
T83 439 0 0 0
T89 510 0 0 0
T91 404 0 0 0

CntNoWrap_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 7811606 7354515 0 0
T1 488 87 0 0
T4 496 95 0 0
T5 424 23 0 0
T6 455 54 0 0
T14 792 391 0 0
T15 502 101 0 0
T16 777 376 0 0
T17 429 28 0 0
T18 407 6 0 0
T23 455 54 0 0

DetectStDropOut_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 7811606 1 0 0
T3 779 1 0 0
T9 506 0 0 0
T30 497 0 0 0
T33 470 0 0 0
T80 409 0 0 0
T81 502 0 0 0
T82 1405 0 0 0
T83 439 0 0 0
T89 510 0 0 0
T91 404 0 0 0

DetectedOut_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 7811606 6479 0 0
T7 592 91 0 0
T8 1715 0 0 0
T10 484 0 0 0
T11 1088 0 0 0
T12 0 51 0 0
T34 6682 0 0 0
T49 0 65 0 0
T50 0 89 0 0
T51 0 205 0 0
T52 0 71 0 0
T55 0 96 0 0
T66 423 0 0 0
T67 492 0 0 0
T68 505 0 0 0
T69 0 15 0 0
T74 439 0 0 0
T75 526 0 0 0
T201 0 183 0 0
T231 0 299 0 0

DetectedPulseOut_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 7811606 45 0 0
T7 592 1 0 0
T8 1715 0 0 0
T10 484 0 0 0
T11 1088 0 0 0
T12 0 1 0 0
T34 6682 0 0 0
T49 0 2 0 0
T50 0 1 0 0
T51 0 3 0 0
T52 0 1 0 0
T55 0 1 0 0
T66 423 0 0 0
T67 492 0 0 0
T68 505 0 0 0
T69 0 1 0 0
T74 439 0 0 0
T75 526 0 0 0
T201 0 1 0 0
T231 0 1 0 0

DisabledIdleSt_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 7811606 6664535 0 0
T1 488 87 0 0
T4 496 95 0 0
T5 424 23 0 0
T6 455 54 0 0
T14 792 391 0 0
T15 502 101 0 0
T16 777 376 0 0
T17 429 28 0 0
T18 407 6 0 0
T23 455 54 0 0

DisabledNoDetection_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 7811606 6666436 0 0
T1 488 88 0 0
T4 496 96 0 0
T5 424 24 0 0
T6 455 55 0 0
T14 792 392 0 0
T15 502 102 0 0
T16 777 377 0 0
T17 429 29 0 0
T18 407 7 0 0
T23 455 55 0 0

EnterDebounceSt_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 7811606 55 0 0
T3 779 1 0 0
T7 0 1 0 0
T9 506 0 0 0
T12 0 1 0 0
T30 497 0 0 0
T33 470 0 0 0
T35 0 1 0 0
T49 0 2 0 0
T50 0 1 0 0
T51 0 3 0 0
T52 0 2 0 0
T55 0 1 0 0
T69 0 1 0 0
T80 409 0 0 0
T81 502 0 0 0
T82 1405 0 0 0
T83 439 0 0 0
T89 510 0 0 0
T91 404 0 0 0

EnterDetectSt_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 7811606 46 0 0
T3 779 1 0 0
T7 0 1 0 0
T9 506 0 0 0
T12 0 1 0 0
T30 497 0 0 0
T33 470 0 0 0
T49 0 2 0 0
T50 0 1 0 0
T51 0 3 0 0
T52 0 1 0 0
T55 0 1 0 0
T69 0 1 0 0
T80 409 0 0 0
T81 502 0 0 0
T82 1405 0 0 0
T83 439 0 0 0
T89 510 0 0 0
T91 404 0 0 0
T201 0 1 0 0

EnterStableSt_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 7811606 45 0 0
T7 592 1 0 0
T8 1715 0 0 0
T10 484 0 0 0
T11 1088 0 0 0
T12 0 1 0 0
T34 6682 0 0 0
T49 0 2 0 0
T50 0 1 0 0
T51 0 3 0 0
T52 0 1 0 0
T55 0 1 0 0
T66 423 0 0 0
T67 492 0 0 0
T68 505 0 0 0
T69 0 1 0 0
T74 439 0 0 0
T75 526 0 0 0
T201 0 1 0 0
T231 0 1 0 0

PulseIsPulse_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 7811606 45 0 0
T7 592 1 0 0
T8 1715 0 0 0
T10 484 0 0 0
T11 1088 0 0 0
T12 0 1 0 0
T34 6682 0 0 0
T49 0 2 0 0
T50 0 1 0 0
T51 0 3 0 0
T52 0 1 0 0
T55 0 1 0 0
T66 423 0 0 0
T67 492 0 0 0
T68 505 0 0 0
T69 0 1 0 0
T74 439 0 0 0
T75 526 0 0 0
T201 0 1 0 0
T231 0 1 0 0

StayInStableSt
NameAttemptsReal SuccessesFailuresIncomplete
Total 7811606 6416 0 0
T7 592 89 0 0
T8 1715 0 0 0
T10 484 0 0 0
T11 1088 0 0 0
T12 0 49 0 0
T34 6682 0 0 0
T49 0 62 0 0
T50 0 88 0 0
T51 0 201 0 0
T52 0 70 0 0
T55 0 94 0 0
T66 423 0 0 0
T67 492 0 0 0
T68 505 0 0 0
T69 0 14 0 0
T74 439 0 0 0
T75 526 0 0 0
T201 0 182 0 0
T231 0 297 0 0

gen_high_level_sva.HighLevelEvent_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 7811606 7356558 0 0
T1 488 88 0 0
T4 496 96 0 0
T5 424 24 0 0
T6 455 55 0 0
T14 792 392 0 0
T15 502 102 0 0
T16 777 377 0 0
T17 429 29 0 0
T18 407 7 0 0
T23 455 55 0 0

gen_not_sticky_sva.StableStDropOut_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 7811606 26 0 0
T35 5877 0 0 0
T49 0 1 0 0
T50 702 1 0 0
T51 0 2 0 0
T52 0 1 0 0
T61 832 0 0 0
T84 503 0 0 0
T93 472 0 0 0
T138 572 0 0 0
T139 1947 0 0 0
T201 0 1 0 0
T212 0 2 0 0
T216 412 0 0 0
T252 0 1 0 0
T253 0 2 0 0
T269 0 1 0 0
T277 434 0 0 0
T278 427 0 0 0
T287 0 1 0 0

Line Coverage for Instance : tb.dut.u_sysrst_ctrl_keyintr.gen_keyfsm[6].u_sysrst_ctrl_detect_h2l
Line No.TotalCoveredPercent
TOTAL464495.65
CONT_ASSIGN5811100.00
ALWAYS6933100.00
CONT_ASSIGN7611100.00
CONT_ASSIGN9211100.00
CONT_ASSIGN9911100.00
CONT_ASSIGN10111100.00
ALWAYS10433100.00
ALWAYS125323093.75
ALWAYS21933100.00

57 if (EventType inside {LowLevel, EdgeToLow}) begin : gen_trigger_active_low 58 1/1 assign trigger_active = (trigger_i == 1'b0); Tests: T4 T5 T23  59 end else begin : gen_trigger_active_high 60 assign trigger_active = (trigger_i == 1'b1); 61 end 62 63 // In case of edge events, we also need to detect the transition. 64 logic trigger_event; 65 if (EventType inside {EdgeToLow, EdgeToHigh}) begin : gen_trigger_event_edge 66 // This flop is always active, no matter the enable state. 67 logic trigger_active_q; 68 always_ff @(posedge clk_i or negedge rst_ni) begin : p_trigger_reg 69 1/1 if (!rst_ni) begin Tests: T4 T5 T6  70 1/1 trigger_active_q <= 1'b0; Tests: T4 T5 T6  71 end else begin 72 1/1 trigger_active_q <= trigger_active; Tests: T4 T5 T6  73 end 74 end 75 76 1/1 assign trigger_event = trigger_active & ~trigger_active_q; Tests: T4 T5 T6  77 // In case of level events, the event is equal to the level being active. 78 end else begin : gen_trigger_event_level 79 assign trigger_event = trigger_active; 80 end 81 82 ///////////////// 83 // Timer Logic // 84 ///////////////// 85 86 // Take the maximum width of both timer values. 87 localparam int unsigned TimerWidth = 88 (DetectTimerWidth > DebounceTimerWidth) ? DetectTimerWidth : DebounceTimerWidth; 89 90 logic cnt_en, cnt_clr; 91 logic [TimerWidth-1:0] cnt_d, cnt_q; 92 1/1 assign cnt_d = (cnt_clr) ? '0 : Tests: T3 T12 T35  93 (cnt_en) ? cnt_q + 1'b1 : 94 cnt_q; 95 96 97 logic cnt_done, thresh_sel; 98 logic [TimerWidth-1:0] thresh; 99 1/1 assign thresh = (thresh_sel) ? TimerWidth'(cfg_detect_timer_i) : Tests: T6 T1 T19  100 TimerWidth'(cfg_debounce_timer_i); 101 1/1 assign cnt_done = (cnt_q >= thresh); Tests: T6 T1 T19  102 103 always_ff @(posedge clk_i or negedge rst_ni) begin : p_cnt_reg 104 1/1 if (!rst_ni) begin Tests: T4 T5 T6  105 1/1 cnt_q <= '0; Tests: T4 T5 T6  106 end else begin 107 1/1 cnt_q <= cnt_d; Tests: T4 T5 T6  108 end 109 end 110 111 ///////// 112 // FSM // 113 ///////// 114 115 typedef enum logic [1:0] { 116 IdleSt, 117 DebounceSt, 118 DetectSt, 119 StableSt 120 } state_t; 121 122 state_t state_d, state_q; 123 124 always_comb begin : p_fsm 125 1/1 state_d = state_q; Tests: T4 T5 T6  126 127 // Counter controls (clear has priority). 128 1/1 cnt_clr = 1'b0; Tests: T4 T5 T6  129 1/1 cnt_en = 1'b0; Tests: T4 T5 T6  130 131 // Detected outputs 132 1/1 event_detected_o = 1'b0; Tests: T4 T5 T6  133 1/1 event_detected_pulse_o = 1'b0; Tests: T4 T5 T6  134 135 // Threshold select 136 // 0: debounce 137 // 1: detect 138 1/1 thresh_sel = 1'b0; Tests: T4 T5 T6  139 140 1/1 unique case (state_q) Tests: T4 T5 T6  141 //////////////////////////////////////////// 142 // We are waiting for the event to occur. 143 // This can be either a specific level or edge, 144 // depending on the configuration. 145 IdleSt: begin 146 // Stay here if the detector is disabled. 147 1/1 if (trigger_event && cfg_enable_i) begin Tests: T4 T5 T6  148 1/1 state_d = DebounceSt; Tests: T3 T35 T48  149 1/1 cnt_en = 1'b1; Tests: T3 T35 T48  150 end MISSING_ELSE 151 end 152 //////////////////////////////////////////// 153 // If an event has occurred, we back off for 154 // the amount of debounce cycles configured. 155 // Once the timer has expired, we sample the 156 // signal again and check whether it has the 157 // correct level. If so, we move on to the 158 // detection stage, otherwise we fall back. 159 DebounceSt: begin 160 1/1 cnt_en = 1'b1; Tests: T3 T35 T48  161 // Unconditionally go back to idle if the detector is disabled. 162 1/1 if (!cfg_enable_i) begin Tests: T3 T35 T48  163 1/1 state_d = IdleSt; Tests: T35  164 1/1 cnt_clr = 1'b1; Tests: T35  165 1/1 end else if (cnt_done) begin Tests: T3 T35 T48  166 1/1 cnt_clr = 1'b1; Tests: T3 T48 T49  167 1/1 if (trigger_active) begin Tests: T3 T48 T49  168 1/1 state_d = DetectSt; Tests: T3 T48 T49  169 end else begin 170 1/1 state_d = IdleSt; Tests: T253  171 end 172 end MISSING_ELSE 173 end 174 //////////////////////////////////////////// 175 // Once the debounce period has passed, we 176 // check whether the signal remains stable 177 // throughout the entire detection period. 178 // If it is not stable at any cycle, we fall 179 // back to idle. 180 DetectSt: begin 181 1/1 thresh_sel = 1'b1; Tests: T3 T48 T49  182 1/1 cnt_en = 1'b1; Tests: T3 T48 T49  183 // Go back to idle if either the trigger level is not active anymore, or if the 184 // detector is disabled. 185 1/1 if (!cfg_enable_i || !trigger_active) begin Tests: T3 T48 T49  186 0/1 ==> state_d = IdleSt; 187 0/1 ==> cnt_clr = 1'b1; 188 // If the trigger is active, count up. 189 end else begin 190 1/1 if (cnt_done) begin Tests: T3 T48 T49  191 1/1 state_d = StableSt; Tests: T3 T48 T49  192 1/1 cnt_clr = 1'b1; Tests: T3 T48 T49  193 1/1 event_detected_o = 1'b1; Tests: T3 T48 T49  194 1/1 event_detected_pulse_o = 1'b1; Tests: T3 T48 T49  195 end ==> MISSING_ELSE 196 end 197 end 198 //////////////////////////////////////////// 199 // At this point we have detected the event 200 // and monitor whether the signal remains stable. 201 StableSt: begin 202 // Go back to idle if either the trigger level is not active anymore, or if the detector is 203 // disabled. Note that if the detector is sticky, it has to be explicitly disabled in order 204 // to go back to the idle state. 205 1/1 if (!cfg_enable_i || (!trigger_active && !Sticky)) begin Tests: T3 T48 T49  206 1/1 state_d = IdleSt; Tests: T48 T49 T69  207 // Otherwise keep the event detected output signal high. 208 end else begin 209 1/1 event_detected_o = 1'b1; Tests: T3 T48 T49  210 end 211 end 212 //////////////////////////////////////////// 213 // This is a full case statement 214 default: ; Exclude Annotation: VC_COV_UNR 215 endcase // state_q 216 end 217 218 always_ff @(posedge clk_i or negedge rst_ni) begin : p_fsm_reg 219 1/1 if (!rst_ni) begin Tests: T4 T5 T6  220 1/1 state_q <= IdleSt; Tests: T4 T5 T6  221 end else begin 222 1/1 state_q <= state_d; Tests: T4 T5 T6 

Cond Coverage for Instance : tb.dut.u_sysrst_ctrl_keyintr.gen_keyfsm[6].u_sysrst_ctrl_detect_h2l
TotalCoveredPercent
Conditions222090.91
Logical222090.91
Non-Logical00
Event00

 LINE       58
 EXPRESSION (trigger_i == 1'b0)
            ---------1---------
-1-StatusTests
0CoveredT4,T5,T23
1CoveredT4,T5,T6

 LINE       76
 EXPRESSION (trigger_active & ((~gen_trigger_event_edge.trigger_active_q)))
             -------1------   ----------------------2---------------------
-1--2-StatusTests
01CoveredT4,T5,T23
10CoveredT4,T5,T6
11CoveredT4,T5,T6

 LINE       92
 EXPRESSION (cnt_clr ? '0 : (cnt_en ? ((cnt_q + 1'b1)) : cnt_q))
             ---1---
-1-StatusTests
0CoveredT4,T5,T6
1CoveredT3,T35,T48

 LINE       92
 SUB-EXPRESSION (cnt_en ? ((cnt_q + 1'b1)) : cnt_q)
                 ---1--
-1-StatusTests
0CoveredT4,T5,T6
1CoveredT3,T35,T48

 LINE       99
 EXPRESSION (thresh_sel ? (16'(cfg_detect_timer_i)) : (16'(cfg_debounce_timer_i)))
             -----1----
-1-StatusTests
0CoveredT4,T5,T6
1CoveredT3,T48,T49

 LINE       147
 EXPRESSION (trigger_event && cfg_enable_i)
             ------1------    ------2-----
-1--2-StatusTests
01CoveredT3,T12,T35
10CoveredT4,T5,T23
11CoveredT3,T35,T48

 LINE       185
 EXPRESSION (((!cfg_enable_i)) || ((!trigger_active)))
             --------1--------    ---------2---------
-1--2-StatusTests
00CoveredT3,T48,T49
01Not Covered
10Not Covered

 LINE       205
 EXPRESSION (((!cfg_enable_i)) || (((!trigger_active)) && ((!Sticky))))
             --------1--------    ------------------2-----------------
-1--2-StatusTests
00CoveredT3,T48,T49
01CoveredT48,T49,T133
10CoveredT69

 LINE       205
 SUB-EXPRESSION (((!trigger_active)) && ((!Sticky)))
                 ---------1---------    -----2-----
-1--2-StatusTests
0-CoveredT3,T48,T49
1-CoveredT48,T49,T133

FSM Coverage for Instance : tb.dut.u_sysrst_ctrl_keyintr.gen_keyfsm[6].u_sysrst_ctrl_detect_h2l
Summary for FSM :: state_q
TotalCoveredPercent
States 4 4 100.00 (Not included in score)
Transitions 6 5 83.33
Sequences 0 0

State, Transition and Sequence Details for FSM :: state_q
statesLine No.CoveredTests
DebounceSt 148 Covered T3,T35,T48
DetectSt 168 Covered T3,T48,T49
IdleSt 163 Covered T4,T5,T6
StableSt 191 Covered T3,T48,T49


transitionsLine No.CoveredTests
DebounceSt->DetectSt 168 Covered T3,T48,T49
DebounceSt->IdleSt 163 Covered T35,T253
DetectSt->IdleSt 186 Not Covered
DetectSt->StableSt 191 Covered T3,T48,T49
IdleSt->DebounceSt 148 Covered T3,T35,T48
StableSt->IdleSt 206 Covered T48,T49,T69



Branch Coverage for Instance : tb.dut.u_sysrst_ctrl_keyintr.gen_keyfsm[6].u_sysrst_ctrl_detect_h2l
Line No.TotalCoveredPercent
Branches 21 20 95.24
TERNARY 92 3 3 100.00
TERNARY 99 2 2 100.00
IF 104 2 2 100.00
CASE 140 10 9 90.00
IF 219 2 2 100.00
IF 69 2 2 100.00


92 assign cnt_d = (cnt_clr) ? '0 : -1- ==> 93 (cnt_en) ? cnt_q + 1'b1 : -2- ==> ==>

Branches:
-1--2-StatusTests
1 - Covered T3,T35,T48
0 1 Covered T3,T35,T48
0 0 Covered T4,T5,T6


99 assign thresh = (thresh_sel) ? TimerWidth'(cfg_detect_timer_i) : -1- ==> ==>

Branches:
-1-StatusTests
1 Covered T3,T48,T49
0 Covered T4,T5,T6


104 if (!rst_ni) begin -1- 105 cnt_q <= '0; ==> 106 end else begin 107 cnt_q <= cnt_d; ==>

Branches:
-1-StatusTests
1 Covered T4,T5,T6
0 Covered T4,T5,T6


140 unique case (state_q) -1- 141 //////////////////////////////////////////// 142 // We are waiting for the event to occur. 143 // This can be either a specific level or edge, 144 // depending on the configuration. 145 IdleSt: begin 146 // Stay here if the detector is disabled. 147 if (trigger_event && cfg_enable_i) begin -2- 148 state_d = DebounceSt; ==> 149 cnt_en = 1'b1; 150 end MISSING_ELSE ==> 151 end 152 //////////////////////////////////////////// 153 // If an event has occurred, we back off for 154 // the amount of debounce cycles configured. 155 // Once the timer has expired, we sample the 156 // signal again and check whether it has the 157 // correct level. If so, we move on to the 158 // detection stage, otherwise we fall back. 159 DebounceSt: begin 160 cnt_en = 1'b1; 161 // Unconditionally go back to idle if the detector is disabled. 162 if (!cfg_enable_i) begin -3- 163 state_d = IdleSt; ==> 164 cnt_clr = 1'b1; 165 end else if (cnt_done) begin -4- 166 cnt_clr = 1'b1; 167 if (trigger_active) begin -5- 168 state_d = DetectSt; ==> 169 end else begin 170 state_d = IdleSt; ==> 171 end 172 end MISSING_ELSE ==> 173 end 174 //////////////////////////////////////////// 175 // Once the debounce period has passed, we 176 // check whether the signal remains stable 177 // throughout the entire detection period. 178 // If it is not stable at any cycle, we fall 179 // back to idle. 180 DetectSt: begin 181 thresh_sel = 1'b1; 182 cnt_en = 1'b1; 183 // Go back to idle if either the trigger level is not active anymore, or if the 184 // detector is disabled. 185 if (!cfg_enable_i || !trigger_active) begin -6- 186 state_d = IdleSt; ==> 187 cnt_clr = 1'b1; 188 // If the trigger is active, count up. 189 end else begin 190 if (cnt_done) begin -7- 191 state_d = StableSt; ==> 192 cnt_clr = 1'b1; 193 event_detected_o = 1'b1; 194 event_detected_pulse_o = 1'b1; 195 end MISSING_ELSE ==> (Excluded) Exclude Annotation: VC_COV_UNR 196 end 197 end 198 //////////////////////////////////////////// 199 // At this point we have detected the event 200 // and monitor whether the signal remains stable. 201 StableSt: begin 202 // Go back to idle if either the trigger level is not active anymore, or if the detector is 203 // disabled. Note that if the detector is sticky, it has to be explicitly disabled in order 204 // to go back to the idle state. 205 if (!cfg_enable_i || (!trigger_active && !Sticky)) begin -8- 206 state_d = IdleSt; ==> 207 // Otherwise keep the event detected output signal high. 208 end else begin 209 event_detected_o = 1'b1; ==> 210 end 211 end 212 //////////////////////////////////////////// 213 // This is a full case statement 214 default: ; ==> (Excluded) Exclude Annotation: VC_COV_UNR

Branches:
-1--2--3--4--5--6--7--8-StatusTestsExclude Annotation
IdleSt 1 - - - - - - Covered T3,T35,T48
IdleSt 0 - - - - - - Covered T4,T5,T6
DebounceSt - 1 - - - - - Covered T35
DebounceSt - 0 1 1 - - - Covered T3,T48,T49
DebounceSt - 0 1 0 - - - Covered T253
DebounceSt - 0 0 - - - - Covered T3,T35,T48
DetectSt - - - - 1 - - Not Covered
DetectSt - - - - 0 1 - Covered T3,T48,T49
DetectSt - - - - 0 0 - Excluded VC_COV_UNR
StableSt - - - - - - 1 Covered T48,T49,T69
StableSt - - - - - - 0 Covered T3,T48,T49
default - - - - - - - Excluded VC_COV_UNR


219 if (!rst_ni) begin -1- 220 state_q <= IdleSt; ==> 221 end else begin 222 state_q <= state_d; ==>

Branches:
-1-StatusTests
1 Covered T4,T5,T6
0 Covered T4,T5,T6


69 if (!rst_ni) begin -1- 70 trigger_active_q <= 1'b0; ==> 71 end else begin 72 trigger_active_q <= trigger_active; ==>

Branches:
-1-StatusTests
1 Covered T4,T5,T6
0 Covered T4,T5,T6


Assert Coverage for Instance : tb.dut.u_sysrst_ctrl_keyintr.gen_keyfsm[6].u_sysrst_ctrl_detect_h2l
TotalAttemptedPercentSucceeded/MatchedPercent
Assertions 16 16 100.00 15 93.75
Cover properties 0 0 0
Cover sequences 0 0 0
Total 16 16 100.00 15 93.75




Assertion Details

NameAttemptsReal SuccessesFailuresIncomplete
CntClr_A 7811606 60 0 0
CntIncr_A 7811606 233225 0 0
CntNoWrap_A 7811606 7354556 0 0
DetectStDropOut_A 7811606 0 0 0
DetectedOut_A 7811606 62678 0 0
DetectedPulseOut_A 7811606 29 0 0
DisabledIdleSt_A 7811606 6665087 0 0
DisabledNoDetection_A 7811606 6666986 0 0
EnterDebounceSt_A 7811606 31 0 0
EnterDetectSt_A 7811606 29 0 0
EnterStableSt_A 7811606 29 0 0
PulseIsPulse_A 7811606 29 0 0
StayInStableSt 7811606 62635 0 0
gen_edge_to_low_event_sva.EdgeToLowEvent_A 7811606 5752 0 0
gen_low_level_sva.LowLevelEvent_A 7811606 7356558 0 0
gen_not_sticky_sva.StableStDropOut_A 7811606 14 0 0


CntClr_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 7811606 60 0 0
T3 779 2 0 0
T9 506 0 0 0
T30 497 0 0 0
T33 470 0 0 0
T35 0 1 0 0
T48 0 2 0 0
T49 0 2 0 0
T69 0 2 0 0
T80 409 0 0 0
T81 502 0 0 0
T82 1405 0 0 0
T83 439 0 0 0
T89 510 0 0 0
T91 404 0 0 0
T133 0 2 0 0
T201 0 4 0 0
T202 0 2 0 0
T212 0 4 0 0
T287 0 2 0 0

CntIncr_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 7811606 233225 0 0
T3 779 88 0 0
T9 506 0 0 0
T30 497 0 0 0
T33 470 0 0 0
T35 0 14 0 0
T48 0 20 0 0
T49 0 71 0 0
T69 0 27 0 0
T80 409 0 0 0
T81 502 0 0 0
T82 1405 0 0 0
T83 439 0 0 0
T89 510 0 0 0
T91 404 0 0 0
T133 0 71 0 0
T201 0 170 0 0
T202 0 43 0 0
T212 0 109708 0 0
T287 0 11 0 0

CntNoWrap_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 7811606 7354556 0 0
T1 488 87 0 0
T4 496 95 0 0
T5 424 23 0 0
T6 455 54 0 0
T14 792 391 0 0
T15 502 101 0 0
T16 777 376 0 0
T17 429 28 0 0
T18 407 6 0 0
T23 455 54 0 0

DetectStDropOut_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 7811606 0 0 0

DetectedOut_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 7811606 62678 0 0
T3 779 39 0 0
T9 506 0 0 0
T30 497 0 0 0
T33 470 0 0 0
T48 0 40 0 0
T49 0 182 0 0
T69 0 14 0 0
T80 409 0 0 0
T81 502 0 0 0
T82 1405 0 0 0
T83 439 0 0 0
T89 510 0 0 0
T91 404 0 0 0
T133 0 47 0 0
T201 0 89 0 0
T202 0 100 0 0
T212 0 15483 0 0
T232 0 104 0 0
T287 0 38 0 0

DetectedPulseOut_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 7811606 29 0 0
T3 779 1 0 0
T9 506 0 0 0
T30 497 0 0 0
T33 470 0 0 0
T48 0 1 0 0
T49 0 1 0 0
T69 0 1 0 0
T80 409 0 0 0
T81 502 0 0 0
T82 1405 0 0 0
T83 439 0 0 0
T89 510 0 0 0
T91 404 0 0 0
T133 0 1 0 0
T201 0 2 0 0
T202 0 1 0 0
T212 0 2 0 0
T232 0 1 0 0
T287 0 1 0 0

DisabledIdleSt_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 7811606 6665087 0 0
T1 488 87 0 0
T4 496 95 0 0
T5 424 23 0 0
T6 455 54 0 0
T14 792 391 0 0
T15 502 101 0 0
T16 777 376 0 0
T17 429 28 0 0
T18 407 6 0 0
T23 455 54 0 0

DisabledNoDetection_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 7811606 6666986 0 0
T1 488 88 0 0
T4 496 96 0 0
T5 424 24 0 0
T6 455 55 0 0
T14 792 392 0 0
T15 502 102 0 0
T16 777 377 0 0
T17 429 29 0 0
T18 407 7 0 0
T23 455 55 0 0

EnterDebounceSt_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 7811606 31 0 0
T3 779 1 0 0
T9 506 0 0 0
T30 497 0 0 0
T33 470 0 0 0
T35 0 1 0 0
T48 0 1 0 0
T49 0 1 0 0
T69 0 1 0 0
T80 409 0 0 0
T81 502 0 0 0
T82 1405 0 0 0
T83 439 0 0 0
T89 510 0 0 0
T91 404 0 0 0
T133 0 1 0 0
T201 0 2 0 0
T202 0 1 0 0
T212 0 2 0 0
T287 0 1 0 0

EnterDetectSt_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 7811606 29 0 0
T3 779 1 0 0
T9 506 0 0 0
T30 497 0 0 0
T33 470 0 0 0
T48 0 1 0 0
T49 0 1 0 0
T69 0 1 0 0
T80 409 0 0 0
T81 502 0 0 0
T82 1405 0 0 0
T83 439 0 0 0
T89 510 0 0 0
T91 404 0 0 0
T133 0 1 0 0
T201 0 2 0 0
T202 0 1 0 0
T212 0 2 0 0
T232 0 1 0 0
T287 0 1 0 0

EnterStableSt_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 7811606 29 0 0
T3 779 1 0 0
T9 506 0 0 0
T30 497 0 0 0
T33 470 0 0 0
T48 0 1 0 0
T49 0 1 0 0
T69 0 1 0 0
T80 409 0 0 0
T81 502 0 0 0
T82 1405 0 0 0
T83 439 0 0 0
T89 510 0 0 0
T91 404 0 0 0
T133 0 1 0 0
T201 0 2 0 0
T202 0 1 0 0
T212 0 2 0 0
T232 0 1 0 0
T287 0 1 0 0

PulseIsPulse_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 7811606 29 0 0
T3 779 1 0 0
T9 506 0 0 0
T30 497 0 0 0
T33 470 0 0 0
T48 0 1 0 0
T49 0 1 0 0
T69 0 1 0 0
T80 409 0 0 0
T81 502 0 0 0
T82 1405 0 0 0
T83 439 0 0 0
T89 510 0 0 0
T91 404 0 0 0
T133 0 1 0 0
T201 0 2 0 0
T202 0 1 0 0
T212 0 2 0 0
T232 0 1 0 0
T287 0 1 0 0

StayInStableSt
NameAttemptsReal SuccessesFailuresIncomplete
Total 7811606 62635 0 0
T3 779 37 0 0
T9 506 0 0 0
T30 497 0 0 0
T33 470 0 0 0
T48 0 39 0 0
T49 0 181 0 0
T69 0 13 0 0
T80 409 0 0 0
T81 502 0 0 0
T82 1405 0 0 0
T83 439 0 0 0
T89 510 0 0 0
T91 404 0 0 0
T133 0 46 0 0
T201 0 86 0 0
T202 0 98 0 0
T212 0 15481 0 0
T232 0 103 0 0
T287 0 36 0 0

gen_edge_to_low_event_sva.EdgeToLowEvent_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 7811606 5752 0 0
T1 488 0 0 0
T4 496 8 0 0
T5 424 2 0 0
T6 455 0 0 0
T14 792 0 0 0
T15 502 5 0 0
T16 777 3 0 0
T17 429 5 0 0
T18 407 0 0 0
T20 0 5 0 0
T22 0 4 0 0
T23 455 4 0 0
T28 0 14 0 0
T29 0 8 0 0

gen_low_level_sva.LowLevelEvent_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 7811606 7356558 0 0
T1 488 88 0 0
T4 496 96 0 0
T5 424 24 0 0
T6 455 55 0 0
T14 792 392 0 0
T15 502 102 0 0
T16 777 377 0 0
T17 429 29 0 0
T18 407 7 0 0
T23 455 55 0 0

gen_not_sticky_sva.StableStDropOut_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 7811606 14 0 0
T48 659 1 0 0
T49 0 1 0 0
T55 540 0 0 0
T79 1470 0 0 0
T85 493 0 0 0
T101 4409 0 0 0
T102 4413 0 0 0
T133 0 1 0 0
T135 0 1 0 0
T200 0 1 0 0
T201 0 1 0 0
T212 0 2 0 0
T232 0 1 0 0
T235 0 1 0 0
T253 0 1 0 0
T281 712 0 0 0
T282 501 0 0 0
T288 526 0 0 0
T289 2087 0 0 0

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