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Module Instance : tb.dut.u_sysrst_ctrl_keyintr.gen_keyfsm[1].u_sysrst_ctrl_detect_l2h

Instance :
SCORELINECONDTOGGLEFSMBRANCHASSERT
89.87 91.30 90.91 83.33 90.48 93.33


Instance's subtree :
SCORELINECONDTOGGLEFSMBRANCHASSERT
89.87 91.30 90.91 83.33 90.48 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[1].u_sysrst_ctrl_detect_h2l

Instance :
SCORELINECONDTOGGLEFSMBRANCHASSERT
97.27 95.65 95.45 100.00 95.24 100.00


Instance's subtree :
SCORELINECONDTOGGLEFSMBRANCHASSERT
97.27 95.65 95.45 100.00 95.24 100.00


Parent :
SCORELINECONDTOGGLEFSMBRANCHASSERTNAME
100.00 100.00 u_sysrst_ctrl_keyintr


Subtrees :
NAMESCORELINECONDTOGGLEFSMBRANCHASSERT
no children


Module Instance : tb.dut.u_sysrst_ctrl_keyintr.gen_keyfsm[2].u_sysrst_ctrl_detect_l2h

Instance :
SCORELINECONDTOGGLEFSMBRANCHASSERT
97.27 95.65 95.45 100.00 95.24 100.00


Instance's subtree :
SCORELINECONDTOGGLEFSMBRANCHASSERT
97.27 95.65 95.45 100.00 95.24 100.00


Parent :
SCORELINECONDTOGGLEFSMBRANCHASSERTNAME
100.00 100.00 u_sysrst_ctrl_keyintr


Subtrees :
NAMESCORELINECONDTOGGLEFSMBRANCHASSERT
no children


Module Instance : tb.dut.u_sysrst_ctrl_keyintr.gen_keyfsm[2].u_sysrst_ctrl_detect_h2l

Instance :
SCORELINECONDTOGGLEFSMBRANCHASSERT
89.95 91.30 90.91 83.33 90.48 93.75


Instance's subtree :
SCORELINECONDTOGGLEFSMBRANCHASSERT
89.95 91.30 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[3].u_sysrst_ctrl_detect_l2h

Instance :
SCORELINECONDTOGGLEFSMBRANCHASSERT
97.27 95.65 95.45 100.00 95.24 100.00


Instance's subtree :
SCORELINECONDTOGGLEFSMBRANCHASSERT
97.27 95.65 95.45 100.00 95.24 100.00


Parent :
SCORELINECONDTOGGLEFSMBRANCHASSERTNAME
100.00 100.00 u_sysrst_ctrl_keyintr


Subtrees :
NAMESCORELINECONDTOGGLEFSMBRANCHASSERT
no children


Module Instance : tb.dut.u_sysrst_ctrl_keyintr.gen_keyfsm[3].u_sysrst_ctrl_detect_h2l

Instance :
SCORELINECONDTOGGLEFSMBRANCHASSERT
92.55 93.48 95.45 83.33 90.48 100.00


Instance's subtree :
SCORELINECONDTOGGLEFSMBRANCHASSERT
92.55 93.48 95.45 83.33 90.48 100.00


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[1].u_sysrst_ctrl_detect_l2h
tb.dut.u_sysrst_ctrl_keyintr.gen_keyfsm[1].u_sysrst_ctrl_detect_h2l
tb.dut.u_sysrst_ctrl_keyintr.gen_keyfsm[2].u_sysrst_ctrl_detect_l2h
tb.dut.u_sysrst_ctrl_keyintr.gen_keyfsm[2].u_sysrst_ctrl_detect_h2l
tb.dut.u_sysrst_ctrl_keyintr.gen_keyfsm[3].u_sysrst_ctrl_detect_l2h
tb.dut.u_sysrst_ctrl_keyintr.gen_keyfsm[3].u_sysrst_ctrl_detect_h2l
Line Coverage for Instance : tb.dut.u_sysrst_ctrl_keyintr.gen_keyfsm[1].u_sysrst_ctrl_detect_l2h
Line No.TotalCoveredPercent
TOTAL464291.30
CONT_ASSIGN6011100.00
ALWAYS6933100.00
CONT_ASSIGN7611100.00
CONT_ASSIGN9211100.00
CONT_ASSIGN9911100.00
CONT_ASSIGN10111100.00
ALWAYS10433100.00
ALWAYS125322887.50
ALWAYS21933100.00

59 end else begin : gen_trigger_active_high 60 1/1 assign trigger_active = (trigger_i == 1'b1); Tests: T1 T4 T5  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: T1 T4 T5  70 1/1 trigger_active_q <= 1'b0; Tests: T1 T4 T5  71 end else begin 72 1/1 trigger_active_q <= trigger_active; Tests: T1 T4 T5  73 end 74 end 75 76 1/1 assign trigger_event = trigger_active & ~trigger_active_q; Tests: T1 T4 T5  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: T43 T44 T49  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: T1 T5 T3  100 TimerWidth'(cfg_debounce_timer_i); 101 1/1 assign cnt_done = (cnt_q >= thresh); Tests: T1 T5 T3  102 103 always_ff @(posedge clk_i or negedge rst_ni) begin : p_cnt_reg 104 1/1 if (!rst_ni) begin Tests: T1 T4 T5  105 1/1 cnt_q <= '0; Tests: T1 T4 T5  106 end else begin 107 1/1 cnt_q <= cnt_d; Tests: T1 T4 T5  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: T1 T4 T5  126 127 // Counter controls (clear has priority). 128 1/1 cnt_clr = 1'b0; Tests: T1 T4 T5  129 1/1 cnt_en = 1'b0; Tests: T1 T4 T5  130 131 // Detected outputs 132 1/1 event_detected_o = 1'b0; Tests: T1 T4 T5  133 1/1 event_detected_pulse_o = 1'b0; Tests: T1 T4 T5  134 135 // Threshold select 136 // 0: debounce 137 // 1: detect 138 1/1 thresh_sel = 1'b0; Tests: T1 T4 T5  139 140 1/1 unique case (state_q) Tests: T1 T4 T5  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: T1 T4 T5  148 1/1 state_d = DebounceSt; Tests: T43 T44 T49  149 1/1 cnt_en = 1'b1; Tests: T43 T44 T49  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: T43 T44 T49  161 // Unconditionally go back to idle if the detector is disabled. 162 1/1 if (!cfg_enable_i) begin Tests: T43 T44 T49  163 0/1 ==> state_d = IdleSt; 164 0/1 ==> cnt_clr = 1'b1; 165 1/1 end else if (cnt_done) begin Tests: T43 T44 T49  166 1/1 cnt_clr = 1'b1; Tests: T43 T44 T49  167 1/1 if (trigger_active) begin Tests: T43 T44 T49  168 1/1 state_d = DetectSt; Tests: T43 T44 T49  169 end else begin 170 1/1 state_d = IdleSt; Tests: T203  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: T43 T44 T49  182 1/1 cnt_en = 1'b1; Tests: T43 T44 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: T43 T44 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: T43 T44 T49  191 1/1 state_d = StableSt; Tests: T43 T44 T49  192 1/1 cnt_clr = 1'b1; Tests: T43 T44 T49  193 1/1 event_detected_o = 1'b1; Tests: T43 T44 T49  194 1/1 event_detected_pulse_o = 1'b1; Tests: T43 T44 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: T43 T44 T49  206 1/1 state_d = IdleSt; Tests: T43 T44 T52  207 // Otherwise keep the event detected output signal high. 208 end else begin 209 1/1 event_detected_o = 1'b1; Tests: T43 T44 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: T1 T4 T5  220 1/1 state_q <= IdleSt; Tests: T1 T4 T5  221 end else begin 222 1/1 state_q <= state_d; Tests: T1 T4 T5 

Cond Coverage for Instance : tb.dut.u_sysrst_ctrl_keyintr.gen_keyfsm[1].u_sysrst_ctrl_detect_l2h
TotalCoveredPercent
Conditions222090.91
Logical222090.91
Non-Logical00
Event00

 LINE       60
 EXPRESSION (trigger_i == 1'b1)
            ---------1---------
-1-StatusTests
0CoveredT1,T4,T5
1CoveredT1,T4,T5

 LINE       76
 EXPRESSION (trigger_active & ((~gen_trigger_event_edge.trigger_active_q)))
             -------1------   ----------------------2---------------------
-1--2-StatusTests
01CoveredT1,T4,T5
10CoveredT1,T4,T5
11CoveredT1,T4,T5

 LINE       92
 EXPRESSION (cnt_clr ? '0 : (cnt_en ? ((cnt_q + 1'b1)) : cnt_q))
             ---1---
-1-StatusTests
0CoveredT1,T4,T5
1CoveredT43,T44,T49

 LINE       92
 SUB-EXPRESSION (cnt_en ? ((cnt_q + 1'b1)) : cnt_q)
                 ---1--
-1-StatusTests
0CoveredT1,T4,T5
1CoveredT43,T44,T49

 LINE       99
 EXPRESSION (thresh_sel ? (16'(cfg_detect_timer_i)) : (16'(cfg_debounce_timer_i)))
             -----1----
-1-StatusTests
0CoveredT1,T4,T5
1CoveredT43,T44,T49

 LINE       147
 EXPRESSION (trigger_event && cfg_enable_i)
             ------1------    ------2-----
-1--2-StatusTests
01CoveredT6,T50,T43
10CoveredT1,T4,T5
11CoveredT43,T44,T49

 LINE       185
 EXPRESSION (((!cfg_enable_i)) || ((!trigger_active)))
             --------1--------    ---------2---------
-1--2-StatusTests
00CoveredT43,T44,T49
01Not Covered
10Not Covered

 LINE       205
 EXPRESSION (((!cfg_enable_i)) || (((!trigger_active)) && ((!Sticky))))
             --------1--------    ------------------2-----------------
-1--2-StatusTests
00CoveredT43,T44,T49
01CoveredT43,T44,T180
10CoveredT52,T71

 LINE       205
 SUB-EXPRESSION (((!trigger_active)) && ((!Sticky)))
                 ---------1---------    -----2-----
-1--2-StatusTests
0-CoveredT43,T44,T49
1-CoveredT43,T44,T180

FSM Coverage for Instance : tb.dut.u_sysrst_ctrl_keyintr.gen_keyfsm[1].u_sysrst_ctrl_detect_l2h
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 T43,T44,T49
DetectSt 168 Covered T43,T44,T49
IdleSt 163 Covered T1,T4,T5
StableSt 191 Covered T43,T44,T49


transitionsLine No.CoveredTests
DebounceSt->DetectSt 168 Covered T43,T44,T49
DebounceSt->IdleSt 163 Covered T203
DetectSt->IdleSt 186 Not Covered
DetectSt->StableSt 191 Covered T43,T44,T49
IdleSt->DebounceSt 148 Covered T43,T44,T49
StableSt->IdleSt 206 Covered T43,T44,T52



Branch Coverage for Instance : tb.dut.u_sysrst_ctrl_keyintr.gen_keyfsm[1].u_sysrst_ctrl_detect_l2h
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 T43,T44,T49
0 1 Covered T43,T44,T49
0 0 Covered T1,T4,T5


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

Branches:
-1-StatusTests
1 Covered T43,T44,T49
0 Covered T1,T4,T5


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

Branches:
-1-StatusTests
1 Covered T1,T4,T5
0 Covered T1,T4,T5


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 T43,T44,T49
IdleSt 0 - - - - - - Covered T1,T4,T5
DebounceSt - 1 - - - - - Not Covered
DebounceSt - 0 1 1 - - - Covered T43,T44,T49
DebounceSt - 0 1 0 - - - Covered T203
DebounceSt - 0 0 - - - - Covered T43,T44,T49
DetectSt - - - - 1 - - Not Covered
DetectSt - - - - 0 1 - Covered T43,T44,T49
DetectSt - - - - 0 0 - Excluded VC_COV_UNR
StableSt - - - - - - 1 Covered T43,T44,T52
StableSt - - - - - - 0 Covered T43,T44,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 T1,T4,T5
0 Covered T1,T4,T5


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 T1,T4,T5
0 Covered T1,T4,T5


Assert Coverage for Instance : tb.dut.u_sysrst_ctrl_keyintr.gen_keyfsm[1].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 5849450 61 0 0
CntIncr_A 5849450 70547 0 0
CntNoWrap_A 5849450 5391146 0 0
DetectStDropOut_A 5849450 0 0 0
DetectedOut_A 5849450 2308 0 0
DetectedPulseOut_A 5849450 30 0 0
DisabledIdleSt_A 5849450 5071612 0 0
DisabledNoDetection_A 5849450 5073490 0 0
EnterDebounceSt_A 5849450 31 0 0
EnterDetectSt_A 5849450 30 0 0
EnterStableSt_A 5849450 30 0 0
PulseIsPulse_A 5849450 30 0 0
StayInStableSt 5849450 2260 0 0
gen_high_level_sva.HighLevelEvent_A 5849450 5393126 0 0
gen_not_sticky_sva.StableStDropOut_A 5849450 10 0 0


CntClr_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 5849450 61 0 0
T43 2561 4 0 0
T44 930 2 0 0
T46 0 2 0 0
T49 0 2 0 0
T52 0 2 0 0
T54 0 2 0 0
T71 0 2 0 0
T81 1512 0 0 0
T180 0 2 0 0
T203 0 1 0 0
T204 0 2 0 0
T205 426 0 0 0
T206 502 0 0 0
T207 406 0 0 0
T208 421 0 0 0
T209 407 0 0 0
T210 719 0 0 0
T211 523 0 0 0

CntIncr_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 5849450 70547 0 0
T43 2561 24 0 0
T44 930 92 0 0
T46 0 56 0 0
T49 0 69 0 0
T52 0 27 0 0
T54 0 38 0 0
T71 0 28 0 0
T81 1512 0 0 0
T180 0 78 0 0
T203 0 19 0 0
T204 0 40 0 0
T205 426 0 0 0
T206 502 0 0 0
T207 406 0 0 0
T208 421 0 0 0
T209 407 0 0 0
T210 719 0 0 0
T211 523 0 0 0

CntNoWrap_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 5849450 5391146 0 0
T1 489 88 0 0
T2 1386 985 0 0
T3 1092 691 0 0
T4 421 20 0 0
T5 471 70 0 0
T7 511 110 0 0
T13 422 21 0 0
T14 497 96 0 0
T15 523 122 0 0
T16 668 267 0 0

DetectStDropOut_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 5849450 0 0 0

DetectedOut_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 5849450 2308 0 0
T43 2561 99 0 0
T44 930 203 0 0
T46 0 132 0 0
T49 0 42 0 0
T52 0 18 0 0
T54 0 53 0 0
T71 0 15 0 0
T81 1512 0 0 0
T180 0 39 0 0
T204 0 39 0 0
T205 426 0 0 0
T206 502 0 0 0
T207 406 0 0 0
T208 421 0 0 0
T209 407 0 0 0
T210 719 0 0 0
T211 523 0 0 0
T212 0 42 0 0

DetectedPulseOut_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 5849450 30 0 0
T43 2561 2 0 0
T44 930 1 0 0
T46 0 1 0 0
T49 0 1 0 0
T52 0 1 0 0
T54 0 1 0 0
T71 0 1 0 0
T81 1512 0 0 0
T180 0 1 0 0
T204 0 1 0 0
T205 426 0 0 0
T206 502 0 0 0
T207 406 0 0 0
T208 421 0 0 0
T209 407 0 0 0
T210 719 0 0 0
T211 523 0 0 0
T212 0 1 0 0

DisabledIdleSt_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 5849450 5071612 0 0
T1 489 88 0 0
T2 1386 985 0 0
T3 1092 691 0 0
T4 421 20 0 0
T5 471 70 0 0
T7 511 110 0 0
T13 422 21 0 0
T14 497 96 0 0
T15 523 122 0 0
T16 668 267 0 0

DisabledNoDetection_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 5849450 5073490 0 0
T1 489 89 0 0
T2 1386 986 0 0
T3 1092 692 0 0
T4 421 21 0 0
T5 471 71 0 0
T7 511 111 0 0
T13 422 22 0 0
T14 497 97 0 0
T15 523 123 0 0
T16 668 268 0 0

EnterDebounceSt_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 5849450 31 0 0
T43 2561 2 0 0
T44 930 1 0 0
T46 0 1 0 0
T49 0 1 0 0
T52 0 1 0 0
T54 0 1 0 0
T71 0 1 0 0
T81 1512 0 0 0
T180 0 1 0 0
T203 0 1 0 0
T204 0 1 0 0
T205 426 0 0 0
T206 502 0 0 0
T207 406 0 0 0
T208 421 0 0 0
T209 407 0 0 0
T210 719 0 0 0
T211 523 0 0 0

EnterDetectSt_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 5849450 30 0 0
T43 2561 2 0 0
T44 930 1 0 0
T46 0 1 0 0
T49 0 1 0 0
T52 0 1 0 0
T54 0 1 0 0
T71 0 1 0 0
T81 1512 0 0 0
T180 0 1 0 0
T204 0 1 0 0
T205 426 0 0 0
T206 502 0 0 0
T207 406 0 0 0
T208 421 0 0 0
T209 407 0 0 0
T210 719 0 0 0
T211 523 0 0 0
T212 0 1 0 0

EnterStableSt_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 5849450 30 0 0
T43 2561 2 0 0
T44 930 1 0 0
T46 0 1 0 0
T49 0 1 0 0
T52 0 1 0 0
T54 0 1 0 0
T71 0 1 0 0
T81 1512 0 0 0
T180 0 1 0 0
T204 0 1 0 0
T205 426 0 0 0
T206 502 0 0 0
T207 406 0 0 0
T208 421 0 0 0
T209 407 0 0 0
T210 719 0 0 0
T211 523 0 0 0
T212 0 1 0 0

PulseIsPulse_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 5849450 30 0 0
T43 2561 2 0 0
T44 930 1 0 0
T46 0 1 0 0
T49 0 1 0 0
T52 0 1 0 0
T54 0 1 0 0
T71 0 1 0 0
T81 1512 0 0 0
T180 0 1 0 0
T204 0 1 0 0
T205 426 0 0 0
T206 502 0 0 0
T207 406 0 0 0
T208 421 0 0 0
T209 407 0 0 0
T210 719 0 0 0
T211 523 0 0 0
T212 0 1 0 0

StayInStableSt
NameAttemptsReal SuccessesFailuresIncomplete
Total 5849450 2260 0 0
T43 2561 96 0 0
T44 930 202 0 0
T46 0 130 0 0
T49 0 40 0 0
T52 0 17 0 0
T54 0 51 0 0
T71 0 14 0 0
T81 1512 0 0 0
T180 0 38 0 0
T204 0 37 0 0
T205 426 0 0 0
T206 502 0 0 0
T207 406 0 0 0
T208 421 0 0 0
T209 407 0 0 0
T210 719 0 0 0
T211 523 0 0 0
T212 0 40 0 0

gen_high_level_sva.HighLevelEvent_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 5849450 5393126 0 0
T1 489 89 0 0
T2 1386 986 0 0
T3 1092 692 0 0
T4 421 21 0 0
T5 471 71 0 0
T7 511 111 0 0
T13 422 22 0 0
T14 497 97 0 0
T15 523 123 0 0
T16 668 268 0 0

gen_not_sticky_sva.StableStDropOut_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 5849450 10 0 0
T43 2561 1 0 0
T44 930 1 0 0
T81 1512 0 0 0
T169 0 1 0 0
T173 0 1 0 0
T175 0 1 0 0
T179 0 1 0 0
T180 0 1 0 0
T192 0 1 0 0
T205 426 0 0 0
T206 502 0 0 0
T207 406 0 0 0
T208 421 0 0 0
T209 407 0 0 0
T210 719 0 0 0
T211 523 0 0 0
T213 0 1 0 0
T214 0 1 0 0

Line Coverage for Instance : tb.dut.u_sysrst_ctrl_keyintr.gen_keyfsm[1].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: T1 T4 T5  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: T1 T4 T5  70 1/1 trigger_active_q <= 1'b0; Tests: T1 T4 T5  71 end else begin 72 1/1 trigger_active_q <= trigger_active; Tests: T1 T4 T5  73 end 74 end 75 76 1/1 assign trigger_event = trigger_active & ~trigger_active_q; Tests: T1 T4 T5  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: T43 T44 T47  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: T1 T5 T3  100 TimerWidth'(cfg_debounce_timer_i); 101 1/1 assign cnt_done = (cnt_q >= thresh); Tests: T1 T5 T3  102 103 always_ff @(posedge clk_i or negedge rst_ni) begin : p_cnt_reg 104 1/1 if (!rst_ni) begin Tests: T1 T4 T5  105 1/1 cnt_q <= '0; Tests: T1 T4 T5  106 end else begin 107 1/1 cnt_q <= cnt_d; Tests: T1 T4 T5  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: T1 T4 T5  126 127 // Counter controls (clear has priority). 128 1/1 cnt_clr = 1'b0; Tests: T1 T4 T5  129 1/1 cnt_en = 1'b0; Tests: T1 T4 T5  130 131 // Detected outputs 132 1/1 event_detected_o = 1'b0; Tests: T1 T4 T5  133 1/1 event_detected_pulse_o = 1'b0; Tests: T1 T4 T5  134 135 // Threshold select 136 // 0: debounce 137 // 1: detect 138 1/1 thresh_sel = 1'b0; Tests: T1 T4 T5  139 140 1/1 unique case (state_q) Tests: T1 T4 T5  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: T1 T4 T5  148 1/1 state_d = DebounceSt; Tests: T43 T44 T47  149 1/1 cnt_en = 1'b1; Tests: T43 T44 T47  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: T43 T44 T47  161 // Unconditionally go back to idle if the detector is disabled. 162 1/1 if (!cfg_enable_i) begin Tests: T43 T44 T47  163 0/1 ==> state_d = IdleSt; 164 0/1 ==> cnt_clr = 1'b1; 165 1/1 end else if (cnt_done) begin Tests: T43 T44 T47  166 1/1 cnt_clr = 1'b1; Tests: T43 T44 T47  167 1/1 if (trigger_active) begin Tests: T43 T44 T47  168 1/1 state_d = DetectSt; Tests: T43 T44 T47  169 end else begin 170 1/1 state_d = IdleSt; Tests: T117 T194 T213  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: T43 T44 T47  182 1/1 cnt_en = 1'b1; Tests: T43 T44 T47  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: T43 T44 T47  186 1/1 state_d = IdleSt; Tests: T44 T115  187 1/1 cnt_clr = 1'b1; Tests: T44 T115  188 // If the trigger is active, count up. 189 end else begin 190 1/1 if (cnt_done) begin Tests: T43 T44 T47  191 1/1 state_d = StableSt; Tests: T43 T44 T47  192 1/1 cnt_clr = 1'b1; Tests: T43 T44 T47  193 1/1 event_detected_o = 1'b1; Tests: T43 T44 T47  194 1/1 event_detected_pulse_o = 1'b1; Tests: T43 T44 T47  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: T43 T44 T47  206 1/1 state_d = IdleSt; Tests: T43 T47 T52  207 // Otherwise keep the event detected output signal high. 208 end else begin 209 1/1 event_detected_o = 1'b1; Tests: T43 T44 T47  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: T1 T4 T5  220 1/1 state_q <= IdleSt; Tests: T1 T4 T5  221 end else begin 222 1/1 state_q <= state_d; Tests: T1 T4 T5 

Cond Coverage for Instance : tb.dut.u_sysrst_ctrl_keyintr.gen_keyfsm[1].u_sysrst_ctrl_detect_h2l
TotalCoveredPercent
Conditions222195.45
Logical222195.45
Non-Logical00
Event00

 LINE       58
 EXPRESSION (trigger_i == 1'b0)
            ---------1---------
-1-StatusTests
0CoveredT1,T4,T5
1CoveredT1,T4,T5

 LINE       76
 EXPRESSION (trigger_active & ((~gen_trigger_event_edge.trigger_active_q)))
             -------1------   ----------------------2---------------------
-1--2-StatusTests
01CoveredT1,T4,T5
10CoveredT1,T4,T5
11CoveredT1,T4,T5

 LINE       92
 EXPRESSION (cnt_clr ? '0 : (cnt_en ? ((cnt_q + 1'b1)) : cnt_q))
             ---1---
-1-StatusTests
0CoveredT1,T4,T5
1CoveredT43,T44,T47

 LINE       92
 SUB-EXPRESSION (cnt_en ? ((cnt_q + 1'b1)) : cnt_q)
                 ---1--
-1-StatusTests
0CoveredT1,T4,T5
1CoveredT43,T44,T47

 LINE       99
 EXPRESSION (thresh_sel ? (16'(cfg_detect_timer_i)) : (16'(cfg_debounce_timer_i)))
             -----1----
-1-StatusTests
0CoveredT1,T4,T5
1CoveredT43,T44,T47

 LINE       147
 EXPRESSION (trigger_event && cfg_enable_i)
             ------1------    ------2-----
-1--2-StatusTests
01CoveredT11,T43,T44
10CoveredT4,T13,T14
11CoveredT43,T44,T47

 LINE       185
 EXPRESSION (((!cfg_enable_i)) || ((!trigger_active)))
             --------1--------    ---------2---------
-1--2-StatusTests
00CoveredT43,T44,T47
01CoveredT44,T115
10Not Covered

 LINE       205
 EXPRESSION (((!cfg_enable_i)) || (((!trigger_active)) && ((!Sticky))))
             --------1--------    ------------------2-----------------
-1--2-StatusTests
00CoveredT43,T44,T47
01CoveredT43,T47,T180
10CoveredT52,T71

 LINE       205
 SUB-EXPRESSION (((!trigger_active)) && ((!Sticky)))
                 ---------1---------    -----2-----
-1--2-StatusTests
0-CoveredT43,T44,T47
1-CoveredT43,T47,T180

FSM Coverage for Instance : tb.dut.u_sysrst_ctrl_keyintr.gen_keyfsm[1].u_sysrst_ctrl_detect_h2l
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 T43,T44,T47
DetectSt 168 Covered T43,T44,T47
IdleSt 163 Covered T1,T4,T5
StableSt 191 Covered T43,T44,T47


transitionsLine No.CoveredTests
DebounceSt->DetectSt 168 Covered T43,T44,T47
DebounceSt->IdleSt 163 Covered T117,T194,T213
DetectSt->IdleSt 186 Covered T44,T115
DetectSt->StableSt 191 Covered T43,T44,T47
IdleSt->DebounceSt 148 Covered T43,T44,T47
StableSt->IdleSt 206 Covered T43,T47,T52



Branch Coverage for Instance : tb.dut.u_sysrst_ctrl_keyintr.gen_keyfsm[1].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 T43,T44,T47
0 1 Covered T43,T44,T47
0 0 Covered T1,T4,T5


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

Branches:
-1-StatusTests
1 Covered T43,T44,T47
0 Covered T1,T4,T5


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

Branches:
-1-StatusTests
1 Covered T1,T4,T5
0 Covered T1,T4,T5


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 T43,T44,T47
IdleSt 0 - - - - - - Covered T1,T4,T5
DebounceSt - 1 - - - - - Not Covered
DebounceSt - 0 1 1 - - - Covered T43,T44,T47
DebounceSt - 0 1 0 - - - Covered T117,T194,T213
DebounceSt - 0 0 - - - - Covered T43,T44,T47
DetectSt - - - - 1 - - Covered T44,T115
DetectSt - - - - 0 1 - Covered T43,T44,T47
DetectSt - - - - 0 0 - Excluded VC_COV_UNR
StableSt - - - - - - 1 Covered T43,T47,T52
StableSt - - - - - - 0 Covered T43,T44,T47
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 T1,T4,T5
0 Covered T1,T4,T5


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 T1,T4,T5
0 Covered T1,T4,T5


Assert Coverage for Instance : tb.dut.u_sysrst_ctrl_keyintr.gen_keyfsm[1].u_sysrst_ctrl_detect_h2l
TotalAttemptedPercentSucceeded/MatchedPercent
Assertions 16 16 100.00 16 100.00
Cover properties 0 0 0
Cover sequences 0 0 0
Total 16 16 100.00 16 100.00




Assertion Details

NameAttemptsReal SuccessesFailuresIncomplete
CntClr_A 5849450 102 0 0
CntIncr_A 5849450 42231 0 0
CntNoWrap_A 5849450 5391105 0 0
DetectStDropOut_A 5849450 2 0 0
DetectedOut_A 5849450 63465 0 0
DetectedPulseOut_A 5849450 47 0 0
DisabledIdleSt_A 5849450 5279454 0 0
DisabledNoDetection_A 5849450 5281333 0 0
EnterDebounceSt_A 5849450 54 0 0
EnterDetectSt_A 5849450 49 0 0
EnterStableSt_A 5849450 47 0 0
PulseIsPulse_A 5849450 47 0 0
StayInStableSt 5849450 63396 0 0
gen_edge_to_low_event_sva.EdgeToLowEvent_A 5849450 1779 0 0
gen_low_level_sva.LowLevelEvent_A 5849450 5393126 0 0
gen_not_sticky_sva.StableStDropOut_A 5849450 23 0 0


CntClr_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 5849450 102 0 0
T43 2561 4 0 0
T44 930 4 0 0
T47 0 4 0 0
T52 0 2 0 0
T53 0 2 0 0
T54 0 2 0 0
T71 0 2 0 0
T81 1512 0 0 0
T116 0 4 0 0
T117 0 1 0 0
T180 0 4 0 0
T205 426 0 0 0
T206 502 0 0 0
T207 406 0 0 0
T208 421 0 0 0
T209 407 0 0 0
T210 719 0 0 0
T211 523 0 0 0

CntIncr_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 5849450 42231 0 0
T43 2561 24 0 0
T44 930 184 0 0
T47 0 126 0 0
T52 0 27 0 0
T53 0 31 0 0
T54 0 38 0 0
T71 0 28 0 0
T81 1512 0 0 0
T116 0 80 0 0
T117 0 24 0 0
T180 0 156 0 0
T205 426 0 0 0
T206 502 0 0 0
T207 406 0 0 0
T208 421 0 0 0
T209 407 0 0 0
T210 719 0 0 0
T211 523 0 0 0

CntNoWrap_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 5849450 5391105 0 0
T1 489 88 0 0
T2 1386 985 0 0
T3 1092 691 0 0
T4 421 20 0 0
T5 471 70 0 0
T7 511 110 0 0
T13 422 21 0 0
T14 497 96 0 0
T15 523 122 0 0
T16 668 267 0 0

DetectStDropOut_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 5849450 2 0 0
T44 930 1 0 0
T49 963 0 0 0
T65 643 0 0 0
T115 0 1 0 0
T195 502 0 0 0
T196 1882 0 0 0
T197 522 0 0 0
T198 403 0 0 0
T199 487 0 0 0
T200 498 0 0 0
T201 418 0 0 0

DetectedOut_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 5849450 63465 0 0
T43 2561 43 0 0
T44 930 39 0 0
T47 0 257 0 0
T52 0 18 0 0
T53 0 187 0 0
T54 0 1 0 0
T71 0 13 0 0
T81 1512 0 0 0
T116 0 102 0 0
T180 0 179 0 0
T205 426 0 0 0
T206 502 0 0 0
T207 406 0 0 0
T208 421 0 0 0
T209 407 0 0 0
T210 719 0 0 0
T211 523 0 0 0
T212 0 170 0 0

DetectedPulseOut_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 5849450 47 0 0
T43 2561 2 0 0
T44 930 1 0 0
T47 0 2 0 0
T52 0 1 0 0
T53 0 1 0 0
T54 0 1 0 0
T71 0 1 0 0
T81 1512 0 0 0
T116 0 2 0 0
T180 0 2 0 0
T205 426 0 0 0
T206 502 0 0 0
T207 406 0 0 0
T208 421 0 0 0
T209 407 0 0 0
T210 719 0 0 0
T211 523 0 0 0
T212 0 1 0 0

DisabledIdleSt_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 5849450 5279454 0 0
T1 489 88 0 0
T2 1386 985 0 0
T3 1092 691 0 0
T4 421 20 0 0
T5 471 70 0 0
T7 511 110 0 0
T13 422 21 0 0
T14 497 96 0 0
T15 523 122 0 0
T16 668 267 0 0

DisabledNoDetection_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 5849450 5281333 0 0
T1 489 89 0 0
T2 1386 986 0 0
T3 1092 692 0 0
T4 421 21 0 0
T5 471 71 0 0
T7 511 111 0 0
T13 422 22 0 0
T14 497 97 0 0
T15 523 123 0 0
T16 668 268 0 0

EnterDebounceSt_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 5849450 54 0 0
T43 2561 2 0 0
T44 930 2 0 0
T47 0 2 0 0
T52 0 1 0 0
T53 0 1 0 0
T54 0 1 0 0
T71 0 1 0 0
T81 1512 0 0 0
T116 0 2 0 0
T117 0 1 0 0
T180 0 2 0 0
T205 426 0 0 0
T206 502 0 0 0
T207 406 0 0 0
T208 421 0 0 0
T209 407 0 0 0
T210 719 0 0 0
T211 523 0 0 0

EnterDetectSt_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 5849450 49 0 0
T43 2561 2 0 0
T44 930 2 0 0
T47 0 2 0 0
T52 0 1 0 0
T53 0 1 0 0
T54 0 1 0 0
T71 0 1 0 0
T81 1512 0 0 0
T116 0 2 0 0
T180 0 2 0 0
T205 426 0 0 0
T206 502 0 0 0
T207 406 0 0 0
T208 421 0 0 0
T209 407 0 0 0
T210 719 0 0 0
T211 523 0 0 0
T212 0 1 0 0

EnterStableSt_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 5849450 47 0 0
T43 2561 2 0 0
T44 930 1 0 0
T47 0 2 0 0
T52 0 1 0 0
T53 0 1 0 0
T54 0 1 0 0
T71 0 1 0 0
T81 1512 0 0 0
T116 0 2 0 0
T180 0 2 0 0
T205 426 0 0 0
T206 502 0 0 0
T207 406 0 0 0
T208 421 0 0 0
T209 407 0 0 0
T210 719 0 0 0
T211 523 0 0 0
T212 0 1 0 0

PulseIsPulse_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 5849450 47 0 0
T43 2561 2 0 0
T44 930 1 0 0
T47 0 2 0 0
T52 0 1 0 0
T53 0 1 0 0
T54 0 1 0 0
T71 0 1 0 0
T81 1512 0 0 0
T116 0 2 0 0
T180 0 2 0 0
T205 426 0 0 0
T206 502 0 0 0
T207 406 0 0 0
T208 421 0 0 0
T209 407 0 0 0
T210 719 0 0 0
T211 523 0 0 0
T212 0 1 0 0

StayInStableSt
NameAttemptsReal SuccessesFailuresIncomplete
Total 5849450 63396 0 0
T43 2561 41 0 0
T44 930 37 0 0
T47 0 255 0 0
T52 0 17 0 0
T53 0 185 0 0
T71 0 12 0 0
T81 1512 0 0 0
T116 0 99 0 0
T170 0 87 0 0
T180 0 176 0 0
T205 426 0 0 0
T206 502 0 0 0
T207 406 0 0 0
T208 421 0 0 0
T209 407 0 0 0
T210 719 0 0 0
T211 523 0 0 0
T212 0 169 0 0

gen_edge_to_low_event_sva.EdgeToLowEvent_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 5849450 1779 0 0
T2 1386 0 0 0
T3 1092 2 0 0
T4 421 1 0 0
T5 471 0 0 0
T7 511 0 0 0
T13 422 3 0 0
T14 497 5 0 0
T15 523 5 0 0
T16 668 0 0 0
T22 0 3 0 0
T24 508 5 0 0
T25 0 6 0 0
T66 0 3 0 0
T68 0 5 0 0

gen_low_level_sva.LowLevelEvent_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 5849450 5393126 0 0
T1 489 89 0 0
T2 1386 986 0 0
T3 1092 692 0 0
T4 421 21 0 0
T5 471 71 0 0
T7 511 111 0 0
T13 422 22 0 0
T14 497 97 0 0
T15 523 123 0 0
T16 668 268 0 0

gen_not_sticky_sva.StableStDropOut_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 5849450 23 0 0
T43 2561 2 0 0
T44 930 0 0 0
T47 0 2 0 0
T54 0 1 0 0
T81 1512 0 0 0
T116 0 1 0 0
T170 0 1 0 0
T172 0 1 0 0
T173 0 2 0 0
T180 0 1 0 0
T192 0 1 0 0
T205 426 0 0 0
T206 502 0 0 0
T207 406 0 0 0
T208 421 0 0 0
T209 407 0 0 0
T210 719 0 0 0
T211 523 0 0 0
T212 0 1 0 0

Line Coverage for Instance : tb.dut.u_sysrst_ctrl_keyintr.gen_keyfsm[2].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 T13 T2  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: T1 T4 T5  70 1/1 trigger_active_q <= 1'b0; Tests: T1 T4 T5  71 end else begin 72 1/1 trigger_active_q <= trigger_active; Tests: T1 T4 T5  73 end 74 end 75 76 1/1 assign trigger_event = trigger_active & ~trigger_active_q; Tests: T4 T13 T2  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 T6 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: T1 T5 T3  100 TimerWidth'(cfg_debounce_timer_i); 101 1/1 assign cnt_done = (cnt_q >= thresh); Tests: T1 T5 T3  102 103 always_ff @(posedge clk_i or negedge rst_ni) begin : p_cnt_reg 104 1/1 if (!rst_ni) begin Tests: T1 T4 T5  105 1/1 cnt_q <= '0; Tests: T1 T4 T5  106 end else begin 107 1/1 cnt_q <= cnt_d; Tests: T1 T4 T5  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 T13 T2  126 127 // Counter controls (clear has priority). 128 1/1 cnt_clr = 1'b0; Tests: T4 T13 T2  129 1/1 cnt_en = 1'b0; Tests: T4 T13 T2  130 131 // Detected outputs 132 1/1 event_detected_o = 1'b0; Tests: T4 T13 T2  133 1/1 event_detected_pulse_o = 1'b0; Tests: T4 T13 T2  134 135 // Threshold select 136 // 0: debounce 137 // 1: detect 138 1/1 thresh_sel = 1'b0; Tests: T4 T13 T2  139 140 1/1 unique case (state_q) Tests: T4 T13 T2  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 T13 T2  148 1/1 state_d = DebounceSt; Tests: T3 T6 T48  149 1/1 cnt_en = 1'b1; Tests: T3 T6 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 T6 T48  161 // Unconditionally go back to idle if the detector is disabled. 162 1/1 if (!cfg_enable_i) begin Tests: T3 T6 T48  163 0/1 ==> state_d = IdleSt; 164 0/1 ==> cnt_clr = 1'b1; 165 1/1 end else if (cnt_done) begin Tests: T3 T6 T48  166 1/1 cnt_clr = 1'b1; Tests: T3 T6 T48  167 1/1 if (trigger_active) begin Tests: T3 T6 T48  168 1/1 state_d = DetectSt; Tests: T3 T6 T48  169 end else begin 170 1/1 state_d = IdleSt; Tests: T192  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 T6 T48  182 1/1 cnt_en = 1'b1; Tests: T3 T6 T48  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 T6 T48  186 1/1 state_d = IdleSt; Tests: T115  187 1/1 cnt_clr = 1'b1; Tests: T115  188 // If the trigger is active, count up. 189 end else begin 190 1/1 if (cnt_done) begin Tests: T3 T6 T48  191 1/1 state_d = StableSt; Tests: T3 T6 T48  192 1/1 cnt_clr = 1'b1; Tests: T3 T6 T48  193 1/1 event_detected_o = 1'b1; Tests: T3 T6 T48  194 1/1 event_detected_pulse_o = 1'b1; Tests: T3 T6 T48  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 T6 T48  206 1/1 state_d = IdleSt; Tests: T48 T43 T49  207 // Otherwise keep the event detected output signal high. 208 end else begin 209 1/1 event_detected_o = 1'b1; Tests: T3 T6 T48  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: T1 T4 T5  220 1/1 state_q <= IdleSt; Tests: T1 T4 T5  221 end else begin 222 1/1 state_q <= state_d; Tests: T1 T4 T5 

Cond Coverage for Instance : tb.dut.u_sysrst_ctrl_keyintr.gen_keyfsm[2].u_sysrst_ctrl_detect_l2h
TotalCoveredPercent
Conditions222195.45
Logical222195.45
Non-Logical00
Event00

 LINE       60
 EXPRESSION (trigger_i == 1'b1)
            ---------1---------
-1-StatusTests
0CoveredT1,T4,T5
1CoveredT4,T13,T2

 LINE       76
 EXPRESSION (trigger_active & ((~gen_trigger_event_edge.trigger_active_q)))
             -------1------   ----------------------2---------------------
-1--2-StatusTests
01CoveredT1,T4,T5
10CoveredT4,T13,T2
11CoveredT4,T13,T2

 LINE       92
 EXPRESSION (cnt_clr ? '0 : (cnt_en ? ((cnt_q + 1'b1)) : cnt_q))
             ---1---
-1-StatusTests
0CoveredT1,T4,T5
1CoveredT3,T6,T48

 LINE       92
 SUB-EXPRESSION (cnt_en ? ((cnt_q + 1'b1)) : cnt_q)
                 ---1--
-1-StatusTests
0CoveredT1,T4,T5
1CoveredT3,T6,T48

 LINE       99
 EXPRESSION (thresh_sel ? (16'(cfg_detect_timer_i)) : (16'(cfg_debounce_timer_i)))
             -----1----
-1-StatusTests
0CoveredT1,T4,T5
1CoveredT3,T6,T48

 LINE       147
 EXPRESSION (trigger_event && cfg_enable_i)
             ------1------    ------2-----
-1--2-StatusTests
01CoveredT3,T6,T48
10CoveredT4,T13,T2
11CoveredT3,T6,T48

 LINE       185
 EXPRESSION (((!cfg_enable_i)) || ((!trigger_active)))
             --------1--------    ---------2---------
-1--2-StatusTests
00CoveredT3,T6,T48
01CoveredT115
10Not Covered

 LINE       205
 EXPRESSION (((!cfg_enable_i)) || (((!trigger_active)) && ((!Sticky))))
             --------1--------    ------------------2-----------------
-1--2-StatusTests
00CoveredT3,T6,T48
01CoveredT48,T43,T49
10CoveredT52,T71

 LINE       205
 SUB-EXPRESSION (((!trigger_active)) && ((!Sticky)))
                 ---------1---------    -----2-----
-1--2-StatusTests
0-CoveredT3,T6,T48
1-CoveredT48,T43,T49

FSM Coverage for Instance : tb.dut.u_sysrst_ctrl_keyintr.gen_keyfsm[2].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,T6,T48
DetectSt 168 Covered T3,T6,T48
IdleSt 163 Covered T1,T4,T5
StableSt 191 Covered T3,T6,T48


transitionsLine No.CoveredTests
DebounceSt->DetectSt 168 Covered T3,T6,T48
DebounceSt->IdleSt 163 Covered T192
DetectSt->IdleSt 186 Covered T115
DetectSt->StableSt 191 Covered T3,T6,T48
IdleSt->DebounceSt 148 Covered T3,T6,T48
StableSt->IdleSt 206 Covered T48,T43,T49



Branch Coverage for Instance : tb.dut.u_sysrst_ctrl_keyintr.gen_keyfsm[2].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,T6,T48
0 1 Covered T3,T6,T48
0 0 Covered T1,T4,T5


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

Branches:
-1-StatusTests
1 Covered T3,T6,T48
0 Covered T1,T4,T5


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

Branches:
-1-StatusTests
1 Covered T1,T4,T5
0 Covered T1,T4,T5


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,T6,T48
IdleSt 0 - - - - - - Covered T4,T13,T2
DebounceSt - 1 - - - - - Not Covered
DebounceSt - 0 1 1 - - - Covered T3,T6,T48
DebounceSt - 0 1 0 - - - Covered T192
DebounceSt - 0 0 - - - - Covered T3,T6,T48
DetectSt - - - - 1 - - Covered T115
DetectSt - - - - 0 1 - Covered T3,T6,T48
DetectSt - - - - 0 0 - Excluded VC_COV_UNR
StableSt - - - - - - 1 Covered T48,T43,T49
StableSt - - - - - - 0 Covered T3,T6,T48
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 T1,T4,T5
0 Covered T1,T4,T5


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 T1,T4,T5
0 Covered T1,T4,T5


Assert Coverage for Instance : tb.dut.u_sysrst_ctrl_keyintr.gen_keyfsm[2].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 5849450 79 0 0
CntIncr_A 5849450 60634 0 0
CntNoWrap_A 5849450 5391128 0 0
DetectStDropOut_A 5849450 1 0 0
DetectedOut_A 5849450 3487 0 0
DetectedPulseOut_A 5849450 38 0 0
DisabledIdleSt_A 5849450 5266169 0 0
DisabledNoDetection_A 5849450 5268055 0 0
EnterDebounceSt_A 5849450 40 0 0
EnterDetectSt_A 5849450 39 0 0
EnterStableSt_A 5849450 38 0 0
PulseIsPulse_A 5849450 38 0 0
StayInStableSt 5849450 3431 0 0
gen_high_level_sva.HighLevelEvent_A 5849450 5393126 0 0
gen_not_sticky_sva.StableStDropOut_A 5849450 18 0 0


CntClr_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 5849450 79 0 0
T3 1092 2 0 0
T6 0 2 0 0
T7 511 0 0 0
T8 484 0 0 0
T15 523 0 0 0
T16 668 0 0 0
T22 496 0 0 0
T24 508 0 0 0
T25 502 0 0 0
T26 1505 0 0 0
T43 0 4 0 0
T45 0 4 0 0
T46 0 2 0 0
T48 0 4 0 0
T49 0 4 0 0
T52 0 2 0 0
T53 0 2 0 0
T66 426 0 0 0
T215 0 2 0 0

CntIncr_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 5849450 60634 0 0
T3 1092 92 0 0
T6 0 78 0 0
T7 511 0 0 0
T8 484 0 0 0
T15 523 0 0 0
T16 668 0 0 0
T22 496 0 0 0
T24 508 0 0 0
T25 502 0 0 0
T26 1505 0 0 0
T43 0 24 0 0
T45 0 36 0 0
T46 0 56 0 0
T48 0 192 0 0
T49 0 138 0 0
T52 0 27 0 0
T53 0 31 0 0
T66 426 0 0 0
T215 0 16394 0 0

CntNoWrap_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 5849450 5391128 0 0
T1 489 88 0 0
T2 1386 985 0 0
T3 1092 689 0 0
T4 421 20 0 0
T5 471 70 0 0
T7 511 110 0 0
T13 422 21 0 0
T14 497 96 0 0
T15 523 122 0 0
T16 668 267 0 0

DetectStDropOut_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 5849450 1 0 0
T115 10020 1 0 0
T216 918 0 0 0
T217 502 0 0 0
T218 29273 0 0 0
T219 880 0 0 0
T220 506 0 0 0
T221 493 0 0 0
T222 402 0 0 0
T223 406 0 0 0
T224 524 0 0 0

DetectedOut_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 5849450 3487 0 0
T3 1092 498 0 0
T6 0 317 0 0
T7 511 0 0 0
T8 484 0 0 0
T15 523 0 0 0
T16 668 0 0 0
T22 496 0 0 0
T24 508 0 0 0
T25 502 0 0 0
T26 1505 0 0 0
T43 0 112 0 0
T45 0 64 0 0
T46 0 59 0 0
T48 0 219 0 0
T49 0 90 0 0
T52 0 18 0 0
T53 0 81 0 0
T66 426 0 0 0
T215 0 43 0 0

DetectedPulseOut_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 5849450 38 0 0
T3 1092 1 0 0
T6 0 1 0 0
T7 511 0 0 0
T8 484 0 0 0
T15 523 0 0 0
T16 668 0 0 0
T22 496 0 0 0
T24 508 0 0 0
T25 502 0 0 0
T26 1505 0 0 0
T43 0 2 0 0
T45 0 2 0 0
T46 0 1 0 0
T48 0 2 0 0
T49 0 2 0 0
T52 0 1 0 0
T53 0 1 0 0
T66 426 0 0 0
T215 0 1 0 0

DisabledIdleSt_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 5849450 5266169 0 0
T1 489 88 0 0
T2 1386 985 0 0
T3 1092 3 0 0
T4 421 20 0 0
T5 471 70 0 0
T7 511 110 0 0
T13 422 21 0 0
T14 497 96 0 0
T15 523 122 0 0
T16 668 267 0 0

DisabledNoDetection_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 5849450 5268055 0 0
T1 489 89 0 0
T2 1386 986 0 0
T3 1092 3 0 0
T4 421 21 0 0
T5 471 71 0 0
T7 511 111 0 0
T13 422 22 0 0
T14 497 97 0 0
T15 523 123 0 0
T16 668 268 0 0

EnterDebounceSt_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 5849450 40 0 0
T3 1092 1 0 0
T6 0 1 0 0
T7 511 0 0 0
T8 484 0 0 0
T15 523 0 0 0
T16 668 0 0 0
T22 496 0 0 0
T24 508 0 0 0
T25 502 0 0 0
T26 1505 0 0 0
T43 0 2 0 0
T45 0 2 0 0
T46 0 1 0 0
T48 0 2 0 0
T49 0 2 0 0
T52 0 1 0 0
T53 0 1 0 0
T66 426 0 0 0
T215 0 1 0 0

EnterDetectSt_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 5849450 39 0 0
T3 1092 1 0 0
T6 0 1 0 0
T7 511 0 0 0
T8 484 0 0 0
T15 523 0 0 0
T16 668 0 0 0
T22 496 0 0 0
T24 508 0 0 0
T25 502 0 0 0
T26 1505 0 0 0
T43 0 2 0 0
T45 0 2 0 0
T46 0 1 0 0
T48 0 2 0 0
T49 0 2 0 0
T52 0 1 0 0
T53 0 1 0 0
T66 426 0 0 0
T215 0 1 0 0

EnterStableSt_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 5849450 38 0 0
T3 1092 1 0 0
T6 0 1 0 0
T7 511 0 0 0
T8 484 0 0 0
T15 523 0 0 0
T16 668 0 0 0
T22 496 0 0 0
T24 508 0 0 0
T25 502 0 0 0
T26 1505 0 0 0
T43 0 2 0 0
T45 0 2 0 0
T46 0 1 0 0
T48 0 2 0 0
T49 0 2 0 0
T52 0 1 0 0
T53 0 1 0 0
T66 426 0 0 0
T215 0 1 0 0

PulseIsPulse_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 5849450 38 0 0
T3 1092 1 0 0
T6 0 1 0 0
T7 511 0 0 0
T8 484 0 0 0
T15 523 0 0 0
T16 668 0 0 0
T22 496 0 0 0
T24 508 0 0 0
T25 502 0 0 0
T26 1505 0 0 0
T43 0 2 0 0
T45 0 2 0 0
T46 0 1 0 0
T48 0 2 0 0
T49 0 2 0 0
T52 0 1 0 0
T53 0 1 0 0
T66 426 0 0 0
T215 0 1 0 0

StayInStableSt
NameAttemptsReal SuccessesFailuresIncomplete
Total 5849450 3431 0 0
T3 1092 496 0 0
T6 0 315 0 0
T7 511 0 0 0
T8 484 0 0 0
T15 523 0 0 0
T16 668 0 0 0
T22 496 0 0 0
T24 508 0 0 0
T25 502 0 0 0
T26 1505 0 0 0
T43 0 109 0 0
T45 0 61 0 0
T46 0 58 0 0
T48 0 216 0 0
T49 0 87 0 0
T52 0 17 0 0
T53 0 80 0 0
T66 426 0 0 0
T215 0 41 0 0

gen_high_level_sva.HighLevelEvent_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 5849450 5393126 0 0
T1 489 89 0 0
T2 1386 986 0 0
T3 1092 692 0 0
T4 421 21 0 0
T5 471 71 0 0
T7 511 111 0 0
T13 422 22 0 0
T14 497 97 0 0
T15 523 123 0 0
T16 668 268 0 0

gen_not_sticky_sva.StableStDropOut_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 5849450 18 0 0
T33 16295 0 0 0
T43 0 1 0 0
T45 0 1 0 0
T46 0 1 0 0
T48 961 1 0 0
T49 0 1 0 0
T53 0 1 0 0
T73 168253 0 0 0
T161 1823 0 0 0
T162 4405 0 0 0
T163 402 0 0 0
T164 2891 0 0 0
T165 524 0 0 0
T172 0 1 0 0
T173 0 1 0 0
T180 0 1 0 0
T193 0 1 0 0
T225 422 0 0 0
T226 556 0 0 0

Line Coverage for Instance : tb.dut.u_sysrst_ctrl_keyintr.gen_keyfsm[2].u_sysrst_ctrl_detect_h2l
Line No.TotalCoveredPercent
TOTAL464291.30
CONT_ASSIGN5811100.00
ALWAYS6933100.00
CONT_ASSIGN7611100.00
CONT_ASSIGN9211100.00
CONT_ASSIGN9911100.00
CONT_ASSIGN10111100.00
ALWAYS10433100.00
ALWAYS125322887.50
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 T13 T2  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: T1 T4 T5  70 1/1 trigger_active_q <= 1'b0; Tests: T1 T4 T5  71 end else begin 72 1/1 trigger_active_q <= trigger_active; Tests: T1 T4 T5  73 end 74 end 75 76 1/1 assign trigger_event = trigger_active & ~trigger_active_q; Tests: T1 T4 T5  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: T11 T43 T44  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: T1 T5 T3  100 TimerWidth'(cfg_debounce_timer_i); 101 1/1 assign cnt_done = (cnt_q >= thresh); Tests: T1 T5 T3  102 103 always_ff @(posedge clk_i or negedge rst_ni) begin : p_cnt_reg 104 1/1 if (!rst_ni) begin Tests: T1 T4 T5  105 1/1 cnt_q <= '0; Tests: T1 T4 T5  106 end else begin 107 1/1 cnt_q <= cnt_d; Tests: T1 T4 T5  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: T1 T4 T5  126 127 // Counter controls (clear has priority). 128 1/1 cnt_clr = 1'b0; Tests: T1 T4 T5  129 1/1 cnt_en = 1'b0; Tests: T1 T4 T5  130 131 // Detected outputs 132 1/1 event_detected_o = 1'b0; Tests: T1 T4 T5  133 1/1 event_detected_pulse_o = 1'b0; Tests: T1 T4 T5  134 135 // Threshold select 136 // 0: debounce 137 // 1: detect 138 1/1 thresh_sel = 1'b0; Tests: T1 T4 T5  139 140 1/1 unique case (state_q) Tests: T1 T4 T5  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: T1 T4 T5  148 1/1 state_d = DebounceSt; Tests: T11 T43 T44  149 1/1 cnt_en = 1'b1; Tests: T11 T43 T44  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: T11 T43 T44  161 // Unconditionally go back to idle if the detector is disabled. 162 1/1 if (!cfg_enable_i) begin Tests: T11 T43 T44  163 0/1 ==> state_d = IdleSt; 164 0/1 ==> cnt_clr = 1'b1; 165 1/1 end else if (cnt_done) begin Tests: T11 T43 T44  166 1/1 cnt_clr = 1'b1; Tests: T11 T43 T44  167 1/1 if (trigger_active) begin Tests: T11 T43 T44  168 1/1 state_d = DetectSt; Tests: T11 T43 T44  169 end else begin 170 1/1 state_d = IdleSt; Tests: T203 T176  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: T11 T43 T44  182 1/1 cnt_en = 1'b1; Tests: T11 T43 T44  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: T11 T43 T44  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: T11 T43 T44  191 1/1 state_d = StableSt; Tests: T11 T43 T44  192 1/1 cnt_clr = 1'b1; Tests: T11 T43 T44  193 1/1 event_detected_o = 1'b1; Tests: T11 T43 T44  194 1/1 event_detected_pulse_o = 1'b1; Tests: T11 T43 T44  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: T11 T43 T44  206 1/1 state_d = IdleSt; Tests: T11 T43 T44  207 // Otherwise keep the event detected output signal high. 208 end else begin 209 1/1 event_detected_o = 1'b1; Tests: T11 T43 T44  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: T1 T4 T5  220 1/1 state_q <= IdleSt; Tests: T1 T4 T5  221 end else begin 222 1/1 state_q <= state_d; Tests: T1 T4 T5 

Cond Coverage for Instance : tb.dut.u_sysrst_ctrl_keyintr.gen_keyfsm[2].u_sysrst_ctrl_detect_h2l
TotalCoveredPercent
Conditions222090.91
Logical222090.91
Non-Logical00
Event00

 LINE       58
 EXPRESSION (trigger_i == 1'b0)
            ---------1---------
-1-StatusTests
0CoveredT4,T13,T2
1CoveredT1,T4,T5

 LINE       76
 EXPRESSION (trigger_active & ((~gen_trigger_event_edge.trigger_active_q)))
             -------1------   ----------------------2---------------------
-1--2-StatusTests
01CoveredT4,T13,T2
10CoveredT1,T4,T5
11CoveredT1,T4,T5

 LINE       92
 EXPRESSION (cnt_clr ? '0 : (cnt_en ? ((cnt_q + 1'b1)) : cnt_q))
             ---1---
-1-StatusTests
0CoveredT1,T4,T5
1CoveredT11,T43,T44

 LINE       92
 SUB-EXPRESSION (cnt_en ? ((cnt_q + 1'b1)) : cnt_q)
                 ---1--
-1-StatusTests
0CoveredT1,T4,T5
1CoveredT11,T43,T44

 LINE       99
 EXPRESSION (thresh_sel ? (16'(cfg_detect_timer_i)) : (16'(cfg_debounce_timer_i)))
             -----1----
-1-StatusTests
0CoveredT1,T4,T5
1CoveredT11,T43,T44

 LINE       147
 EXPRESSION (trigger_event && cfg_enable_i)
             ------1------    ------2-----
-1--2-StatusTests
01CoveredT3,T6,T11
10CoveredT4,T13,T2
11CoveredT11,T43,T44

 LINE       185
 EXPRESSION (((!cfg_enable_i)) || ((!trigger_active)))
             --------1--------    ---------2---------
-1--2-StatusTests
00CoveredT11,T43,T44
01Not Covered
10Not Covered

 LINE       205
 EXPRESSION (((!cfg_enable_i)) || (((!trigger_active)) && ((!Sticky))))
             --------1--------    ------------------2-----------------
-1--2-StatusTests
00CoveredT11,T43,T44
01CoveredT11,T43,T44
10CoveredT52,T71

 LINE       205
 SUB-EXPRESSION (((!trigger_active)) && ((!Sticky)))
                 ---------1---------    -----2-----
-1--2-StatusTests
0-CoveredT11,T43,T44
1-CoveredT11,T43,T44

FSM Coverage for Instance : tb.dut.u_sysrst_ctrl_keyintr.gen_keyfsm[2].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 T11,T43,T44
DetectSt 168 Covered T11,T43,T44
IdleSt 163 Covered T1,T4,T5
StableSt 191 Covered T11,T43,T44


transitionsLine No.CoveredTests
DebounceSt->DetectSt 168 Covered T11,T43,T44
DebounceSt->IdleSt 163 Covered T203,T176
DetectSt->IdleSt 186 Not Covered
DetectSt->StableSt 191 Covered T11,T43,T44
IdleSt->DebounceSt 148 Covered T11,T43,T44
StableSt->IdleSt 206 Covered T11,T43,T44



Branch Coverage for Instance : tb.dut.u_sysrst_ctrl_keyintr.gen_keyfsm[2].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 T11,T43,T44
0 1 Covered T11,T43,T44
0 0 Covered T1,T4,T5


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

Branches:
-1-StatusTests
1 Covered T11,T43,T44
0 Covered T1,T4,T5


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

Branches:
-1-StatusTests
1 Covered T1,T4,T5
0 Covered T1,T4,T5


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 T11,T43,T44
IdleSt 0 - - - - - - Covered T1,T4,T5
DebounceSt - 1 - - - - - Not Covered
DebounceSt - 0 1 1 - - - Covered T11,T43,T44
DebounceSt - 0 1 0 - - - Covered T203,T176
DebounceSt - 0 0 - - - - Covered T11,T43,T44
DetectSt - - - - 1 - - Not Covered
DetectSt - - - - 0 1 - Covered T11,T43,T44
DetectSt - - - - 0 0 - Excluded VC_COV_UNR
StableSt - - - - - - 1 Covered T11,T43,T44
StableSt - - - - - - 0 Covered T11,T43,T44
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 T1,T4,T5
0 Covered T1,T4,T5


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 T1,T4,T5
0 Covered T1,T4,T5


Assert Coverage for Instance : tb.dut.u_sysrst_ctrl_keyintr.gen_keyfsm[2].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 5849450 44 0 0
CntIncr_A 5849450 977 0 0
CntNoWrap_A 5849450 5391163 0 0
DetectStDropOut_A 5849450 0 0 0
DetectedOut_A 5849450 1941 0 0
DetectedPulseOut_A 5849450 21 0 0
DisabledIdleSt_A 5849450 5184445 0 0
DisabledNoDetection_A 5849450 5186326 0 0
EnterDebounceSt_A 5849450 23 0 0
EnterDetectSt_A 5849450 21 0 0
EnterStableSt_A 5849450 21 0 0
PulseIsPulse_A 5849450 21 0 0
StayInStableSt 5849450 1913 0 0
gen_edge_to_low_event_sva.EdgeToLowEvent_A 5849450 5378 0 0
gen_low_level_sva.LowLevelEvent_A 5849450 5393126 0 0
gen_not_sticky_sva.StableStDropOut_A 5849450 12 0 0


CntClr_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 5849450 44 0 0
T11 741 2 0 0
T12 510 0 0 0
T17 3511 0 0 0
T43 0 2 0 0
T44 0 2 0 0
T45 0 2 0 0
T49 0 2 0 0
T52 0 2 0 0
T59 431 0 0 0
T60 678 0 0 0
T71 0 2 0 0
T93 502 0 0 0
T137 0 2 0 0
T147 420 0 0 0
T148 4410 0 0 0
T149 402 0 0 0
T150 650 0 0 0
T170 0 4 0 0
T203 0 1 0 0

CntIncr_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 5849450 977 0 0
T11 741 59 0 0
T12 510 0 0 0
T17 3511 0 0 0
T43 0 12 0 0
T44 0 92 0 0
T45 0 18 0 0
T49 0 69 0 0
T52 0 27 0 0
T59 431 0 0 0
T60 678 0 0 0
T71 0 28 0 0
T93 502 0 0 0
T137 0 95 0 0
T147 420 0 0 0
T148 4410 0 0 0
T149 402 0 0 0
T150 650 0 0 0
T170 0 68 0 0
T203 0 19 0 0

CntNoWrap_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 5849450 5391163 0 0
T1 489 88 0 0
T2 1386 985 0 0
T3 1092 691 0 0
T4 421 20 0 0
T5 471 70 0 0
T7 511 110 0 0
T13 422 21 0 0
T14 497 96 0 0
T15 523 122 0 0
T16 668 267 0 0

DetectStDropOut_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 5849450 0 0 0

DetectedOut_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 5849450 1941 0 0
T11 741 149 0 0
T12 510 0 0 0
T17 3511 0 0 0
T43 0 57 0 0
T44 0 72 0 0
T45 0 39 0 0
T49 0 163 0 0
T52 0 18 0 0
T59 431 0 0 0
T60 678 0 0 0
T71 0 14 0 0
T93 502 0 0 0
T137 0 344 0 0
T147 420 0 0 0
T148 4410 0 0 0
T149 402 0 0 0
T150 650 0 0 0
T170 0 25 0 0
T194 0 83 0 0

DetectedPulseOut_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 5849450 21 0 0
T11 741 1 0 0
T12 510 0 0 0
T17 3511 0 0 0
T43 0 1 0 0
T44 0 1 0 0
T45 0 1 0 0
T49 0 1 0 0
T52 0 1 0 0
T59 431 0 0 0
T60 678 0 0 0
T71 0 1 0 0
T93 502 0 0 0
T137 0 1 0 0
T147 420 0 0 0
T148 4410 0 0 0
T149 402 0 0 0
T150 650 0 0 0
T170 0 2 0 0
T194 0 1 0 0

DisabledIdleSt_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 5849450 5184445 0 0
T1 489 88 0 0
T2 1386 985 0 0
T3 1092 3 0 0
T4 421 20 0 0
T5 471 70 0 0
T7 511 110 0 0
T13 422 21 0 0
T14 497 96 0 0
T15 523 122 0 0
T16 668 267 0 0

DisabledNoDetection_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 5849450 5186326 0 0
T1 489 89 0 0
T2 1386 986 0 0
T3 1092 3 0 0
T4 421 21 0 0
T5 471 71 0 0
T7 511 111 0 0
T13 422 22 0 0
T14 497 97 0 0
T15 523 123 0 0
T16 668 268 0 0

EnterDebounceSt_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 5849450 23 0 0
T11 741 1 0 0
T12 510 0 0 0
T17 3511 0 0 0
T43 0 1 0 0
T44 0 1 0 0
T45 0 1 0 0
T49 0 1 0 0
T52 0 1 0 0
T59 431 0 0 0
T60 678 0 0 0
T71 0 1 0 0
T93 502 0 0 0
T137 0 1 0 0
T147 420 0 0 0
T148 4410 0 0 0
T149 402 0 0 0
T150 650 0 0 0
T170 0 2 0 0
T203 0 1 0 0

EnterDetectSt_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 5849450 21 0 0
T11 741 1 0 0
T12 510 0 0 0
T17 3511 0 0 0
T43 0 1 0 0
T44 0 1 0 0
T45 0 1 0 0
T49 0 1 0 0
T52 0 1 0 0
T59 431 0 0 0
T60 678 0 0 0
T71 0 1 0 0
T93 502 0 0 0
T137 0 1 0 0
T147 420 0 0 0
T148 4410 0 0 0
T149 402 0 0 0
T150 650 0 0 0
T170 0 2 0 0
T194 0 1 0 0

EnterStableSt_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 5849450 21 0 0
T11 741 1 0 0
T12 510 0 0 0
T17 3511 0 0 0
T43 0 1 0 0
T44 0 1 0 0
T45 0 1 0 0
T49 0 1 0 0
T52 0 1 0 0
T59 431 0 0 0
T60 678 0 0 0
T71 0 1 0 0
T93 502 0 0 0
T137 0 1 0 0
T147 420 0 0 0
T148 4410 0 0 0
T149 402 0 0 0
T150 650 0 0 0
T170 0 2 0 0
T194 0 1 0 0

PulseIsPulse_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 5849450 21 0 0
T11 741 1 0 0
T12 510 0 0 0
T17 3511 0 0 0
T43 0 1 0 0
T44 0 1 0 0
T45 0 1 0 0
T49 0 1 0 0
T52 0 1 0 0
T59 431 0 0 0
T60 678 0 0 0
T71 0 1 0 0
T93 502 0 0 0
T137 0 1 0 0
T147 420 0 0 0
T148 4410 0 0 0
T149 402 0 0 0
T150 650 0 0 0
T170 0 2 0 0
T194 0 1 0 0

StayInStableSt
NameAttemptsReal SuccessesFailuresIncomplete
Total 5849450 1913 0 0
T11 741 148 0 0
T12 510 0 0 0
T17 3511 0 0 0
T43 0 56 0 0
T44 0 71 0 0
T45 0 38 0 0
T49 0 162 0 0
T52 0 17 0 0
T59 431 0 0 0
T60 678 0 0 0
T71 0 13 0 0
T93 502 0 0 0
T137 0 342 0 0
T147 420 0 0 0
T148 4410 0 0 0
T149 402 0 0 0
T150 650 0 0 0
T170 0 23 0 0
T194 0 81 0 0

gen_edge_to_low_event_sva.EdgeToLowEvent_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 5849450 5378 0 0
T2 1386 5 0 0
T3 1092 0 0 0
T4 421 2 0 0
T5 471 0 0 0
T7 511 0 0 0
T13 422 4 0 0
T14 497 7 0 0
T15 523 5 0 0
T16 668 0 0 0
T22 0 6 0 0
T24 508 5 0 0
T25 0 5 0 0
T66 0 4 0 0
T68 0 5 0 0

gen_low_level_sva.LowLevelEvent_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 5849450 5393126 0 0
T1 489 89 0 0
T2 1386 986 0 0
T3 1092 692 0 0
T4 421 21 0 0
T5 471 71 0 0
T7 511 111 0 0
T13 422 22 0 0
T14 497 97 0 0
T15 523 123 0 0
T16 668 268 0 0

gen_not_sticky_sva.StableStDropOut_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 5849450 12 0 0
T11 741 1 0 0
T12 510 0 0 0
T17 3511 0 0 0
T43 0 1 0 0
T44 0 1 0 0
T45 0 1 0 0
T49 0 1 0 0
T59 431 0 0 0
T60 678 0 0 0
T93 502 0 0 0
T115 0 1 0 0
T147 420 0 0 0
T148 4410 0 0 0
T149 402 0 0 0
T150 650 0 0 0
T170 0 2 0 0
T174 0 1 0 0
T175 0 1 0 0
T214 0 1 0 0

Line Coverage for Instance : tb.dut.u_sysrst_ctrl_keyintr.gen_keyfsm[3].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: T1 T4 T5  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: T1 T4 T5  70 1/1 trigger_active_q <= 1'b0; Tests: T1 T4 T5  71 end else begin 72 1/1 trigger_active_q <= trigger_active; Tests: T1 T4 T5  73 end 74 end 75 76 1/1 assign trigger_event = trigger_active & ~trigger_active_q; Tests: T1 T4 T5  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: T6 T11 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: T1 T5 T3  100 TimerWidth'(cfg_debounce_timer_i); 101 1/1 assign cnt_done = (cnt_q >= thresh); Tests: T1 T5 T3  102 103 always_ff @(posedge clk_i or negedge rst_ni) begin : p_cnt_reg 104 1/1 if (!rst_ni) begin Tests: T1 T4 T5  105 1/1 cnt_q <= '0; Tests: T1 T4 T5  106 end else begin 107 1/1 cnt_q <= cnt_d; Tests: T1 T4 T5  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: T1 T4 T5  126 127 // Counter controls (clear has priority). 128 1/1 cnt_clr = 1'b0; Tests: T1 T4 T5  129 1/1 cnt_en = 1'b0; Tests: T1 T4 T5  130 131 // Detected outputs 132 1/1 event_detected_o = 1'b0; Tests: T1 T4 T5  133 1/1 event_detected_pulse_o = 1'b0; Tests: T1 T4 T5  134 135 // Threshold select 136 // 0: debounce 137 // 1: detect 138 1/1 thresh_sel = 1'b0; Tests: T1 T4 T5  139 140 1/1 unique case (state_q) Tests: T1 T4 T5  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: T1 T4 T5  148 1/1 state_d = DebounceSt; Tests: T6 T11 T48  149 1/1 cnt_en = 1'b1; Tests: T6 T11 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: T6 T11 T48  161 // Unconditionally go back to idle if the detector is disabled. 162 1/1 if (!cfg_enable_i) begin Tests: T6 T11 T48  163 0/1 ==> state_d = IdleSt; 164 0/1 ==> cnt_clr = 1'b1; 165 1/1 end else if (cnt_done) begin Tests: T6 T11 T48  166 1/1 cnt_clr = 1'b1; Tests: T6 T11 T48  167 1/1 if (trigger_active) begin Tests: T6 T11 T48  168 1/1 state_d = DetectSt; Tests: T6 T48 T50  169 end else begin 170 1/1 state_d = IdleSt; Tests: T6 T11 T43  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: T6 T48 T50  182 1/1 cnt_en = 1'b1; Tests: T6 T48 T50  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: T6 T48 T50  186 1/1 state_d = IdleSt; Tests: T54  187 1/1 cnt_clr = 1'b1; Tests: T54  188 // If the trigger is active, count up. 189 end else begin 190 1/1 if (cnt_done) begin Tests: T6 T48 T50  191 1/1 state_d = StableSt; Tests: T6 T48 T50  192 1/1 cnt_clr = 1'b1; Tests: T6 T48 T50  193 1/1 event_detected_o = 1'b1; Tests: T6 T48 T50  194 1/1 event_detected_pulse_o = 1'b1; Tests: T6 T48 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: T6 T48 T50  206 1/1 state_d = IdleSt; Tests: T6 T48 T49  207 // Otherwise keep the event detected output signal high. 208 end else begin 209 1/1 event_detected_o = 1'b1; Tests: T6 T48 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: T1 T4 T5  220 1/1 state_q <= IdleSt; Tests: T1 T4 T5  221 end else begin 222 1/1 state_q <= state_d; Tests: T1 T4 T5 

Cond Coverage for Instance : tb.dut.u_sysrst_ctrl_keyintr.gen_keyfsm[3].u_sysrst_ctrl_detect_l2h
TotalCoveredPercent
Conditions222195.45
Logical222195.45
Non-Logical00
Event00

 LINE       60
 EXPRESSION (trigger_i == 1'b1)
            ---------1---------
-1-StatusTests
0CoveredT1,T4,T5
1CoveredT1,T4,T5

 LINE       76
 EXPRESSION (trigger_active & ((~gen_trigger_event_edge.trigger_active_q)))
             -------1------   ----------------------2---------------------
-1--2-StatusTests
01CoveredT1,T4,T5
10CoveredT1,T4,T5
11CoveredT1,T4,T5

 LINE       92
 EXPRESSION (cnt_clr ? '0 : (cnt_en ? ((cnt_q + 1'b1)) : cnt_q))
             ---1---
-1-StatusTests
0CoveredT1,T4,T5
1CoveredT6,T11,T48

 LINE       92
 SUB-EXPRESSION (cnt_en ? ((cnt_q + 1'b1)) : cnt_q)
                 ---1--
-1-StatusTests
0CoveredT1,T4,T5
1CoveredT6,T11,T48

 LINE       99
 EXPRESSION (thresh_sel ? (16'(cfg_detect_timer_i)) : (16'(cfg_debounce_timer_i)))
             -----1----
-1-StatusTests
0CoveredT1,T4,T5
1CoveredT6,T48,T50

 LINE       147
 EXPRESSION (trigger_event && cfg_enable_i)
             ------1------    ------2-----
-1--2-StatusTests
01CoveredT6,T11,T48
10CoveredT1,T4,T5
11CoveredT6,T11,T48

 LINE       185
 EXPRESSION (((!cfg_enable_i)) || ((!trigger_active)))
             --------1--------    ---------2---------
-1--2-StatusTests
00CoveredT6,T48,T50
01CoveredT54
10Not Covered

 LINE       205
 EXPRESSION (((!cfg_enable_i)) || (((!trigger_active)) && ((!Sticky))))
             --------1--------    ------------------2-----------------
-1--2-StatusTests
00CoveredT6,T48,T50
01CoveredT6,T48,T49
10CoveredT52,T71

 LINE       205
 SUB-EXPRESSION (((!trigger_active)) && ((!Sticky)))
                 ---------1---------    -----2-----
-1--2-StatusTests
0-CoveredT6,T48,T50
1-CoveredT6,T48,T49

FSM Coverage for Instance : tb.dut.u_sysrst_ctrl_keyintr.gen_keyfsm[3].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 T6,T11,T48
DetectSt 168 Covered T6,T48,T50
IdleSt 163 Covered T1,T4,T5
StableSt 191 Covered T6,T48,T50


transitionsLine No.CoveredTests
DebounceSt->DetectSt 168 Covered T6,T48,T50
DebounceSt->IdleSt 163 Covered T6,T11,T43
DetectSt->IdleSt 186 Covered T54
DetectSt->StableSt 191 Covered T6,T48,T50
IdleSt->DebounceSt 148 Covered T6,T11,T48
StableSt->IdleSt 206 Covered T6,T48,T43



Branch Coverage for Instance : tb.dut.u_sysrst_ctrl_keyintr.gen_keyfsm[3].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 T6,T11,T48
0 1 Covered T6,T11,T48
0 0 Covered T1,T4,T5


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

Branches:
-1-StatusTests
1 Covered T6,T48,T50
0 Covered T1,T4,T5


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

Branches:
-1-StatusTests
1 Covered T1,T4,T5
0 Covered T1,T4,T5


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 T6,T11,T48
IdleSt 0 - - - - - - Covered T1,T4,T5
DebounceSt - 1 - - - - - Not Covered
DebounceSt - 0 1 1 - - - Covered T6,T48,T50
DebounceSt - 0 1 0 - - - Covered T6,T11,T43
DebounceSt - 0 0 - - - - Covered T6,T11,T48
DetectSt - - - - 1 - - Covered T54
DetectSt - - - - 0 1 - Covered T6,T48,T50
DetectSt - - - - 0 0 - Excluded VC_COV_UNR
StableSt - - - - - - 1 Covered T6,T48,T49
StableSt - - - - - - 0 Covered T6,T48,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 T1,T4,T5
0 Covered T1,T4,T5


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 T1,T4,T5
0 Covered T1,T4,T5


Assert Coverage for Instance : tb.dut.u_sysrst_ctrl_keyintr.gen_keyfsm[3].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 5849450 69 0 0
CntIncr_A 5849450 28841 0 0
CntNoWrap_A 5849450 5391138 0 0
DetectStDropOut_A 5849450 1 0 0
DetectedOut_A 5849450 60283 0 0
DetectedPulseOut_A 5849450 30 0 0
DisabledIdleSt_A 5849450 5270523 0 0
DisabledNoDetection_A 5849450 5272413 0 0
EnterDebounceSt_A 5849450 38 0 0
EnterDetectSt_A 5849450 31 0 0
EnterStableSt_A 5849450 30 0 0
PulseIsPulse_A 5849450 30 0 0
StayInStableSt 5849450 60240 0 0
gen_high_level_sva.HighLevelEvent_A 5849450 5393126 0 0
gen_not_sticky_sva.StableStDropOut_A 5849450 15 0 0


CntClr_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 5849450 69 0 0
T6 805 3 0 0
T11 0 1 0 0
T28 455 0 0 0
T43 0 3 0 0
T45 0 2 0 0
T48 0 2 0 0
T49 0 6 0 0
T50 0 2 0 0
T52 0 2 0 0
T53 0 2 0 0
T57 434 0 0 0
T79 565 0 0 0
T80 913 0 0 0
T90 505 0 0 0
T91 2547 0 0 0
T92 522 0 0 0
T181 423 0 0 0
T182 411 0 0 0
T204 0 2 0 0

CntIncr_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 5849450 28841 0 0
T6 805 156 0 0
T11 0 59 0 0
T28 455 0 0 0
T43 0 24 0 0
T45 0 18 0 0
T48 0 96 0 0
T49 0 207 0 0
T50 0 94 0 0
T52 0 27 0 0
T53 0 31 0 0
T57 434 0 0 0
T79 565 0 0 0
T80 913 0 0 0
T90 505 0 0 0
T91 2547 0 0 0
T92 522 0 0 0
T181 423 0 0 0
T182 411 0 0 0
T204 0 40 0 0

CntNoWrap_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 5849450 5391138 0 0
T1 489 88 0 0
T2 1386 985 0 0
T3 1092 691 0 0
T4 421 20 0 0
T5 471 70 0 0
T7 511 110 0 0
T13 422 21 0 0
T14 497 96 0 0
T15 523 122 0 0
T16 668 267 0 0

DetectStDropOut_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 5849450 1 0 0
T54 540 1 0 0
T96 10455 0 0 0
T146 1799 0 0 0
T227 423 0 0 0
T228 12973 0 0 0
T229 427 0 0 0
T230 494 0 0 0
T231 678 0 0 0
T232 402 0 0 0
T233 1944 0 0 0

DetectedOut_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 5849450 60283 0 0
T6 805 27 0 0
T28 455 0 0 0
T43 0 129 0 0
T45 0 136 0 0
T48 0 219 0 0
T49 0 105 0 0
T50 0 139 0 0
T52 0 19 0 0
T53 0 187 0 0
T57 434 0 0 0
T79 565 0 0 0
T80 913 0 0 0
T90 505 0 0 0
T91 2547 0 0 0
T92 522 0 0 0
T137 0 206 0 0
T181 423 0 0 0
T182 411 0 0 0
T204 0 80 0 0

DetectedPulseOut_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 5849450 30 0 0
T6 805 1 0 0
T28 455 0 0 0
T43 0 1 0 0
T45 0 1 0 0
T48 0 1 0 0
T49 0 3 0 0
T50 0 1 0 0
T52 0 1 0 0
T53 0 1 0 0
T57 434 0 0 0
T79 565 0 0 0
T80 913 0 0 0
T90 505 0 0 0
T91 2547 0 0 0
T92 522 0 0 0
T137 0 1 0 0
T181 423 0 0 0
T182 411 0 0 0
T204 0 1 0 0

DisabledIdleSt_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 5849450 5270523 0 0
T1 489 88 0 0
T2 1386 985 0 0
T3 1092 691 0 0
T4 421 20 0 0
T5 471 70 0 0
T7 511 110 0 0
T13 422 21 0 0
T14 497 96 0 0
T15 523 122 0 0
T16 668 267 0 0

DisabledNoDetection_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 5849450 5272413 0 0
T1 489 89 0 0
T2 1386 986 0 0
T3 1092 692 0 0
T4 421 21 0 0
T5 471 71 0 0
T7 511 111 0 0
T13 422 22 0 0
T14 497 97 0 0
T15 523 123 0 0
T16 668 268 0 0

EnterDebounceSt_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 5849450 38 0 0
T6 805 2 0 0
T11 0 1 0 0
T28 455 0 0 0
T43 0 2 0 0
T45 0 1 0 0
T48 0 1 0 0
T49 0 3 0 0
T50 0 1 0 0
T52 0 1 0 0
T53 0 1 0 0
T57 434 0 0 0
T79 565 0 0 0
T80 913 0 0 0
T90 505 0 0 0
T91 2547 0 0 0
T92 522 0 0 0
T181 423 0 0 0
T182 411 0 0 0
T204 0 1 0 0

EnterDetectSt_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 5849450 31 0 0
T6 805 1 0 0
T28 455 0 0 0
T43 0 1 0 0
T45 0 1 0 0
T48 0 1 0 0
T49 0 3 0 0
T50 0 1 0 0
T52 0 1 0 0
T53 0 1 0 0
T54 0 1 0 0
T57 434 0 0 0
T79 565 0 0 0
T80 913 0 0 0
T90 505 0 0 0
T91 2547 0 0 0
T92 522 0 0 0
T181 423 0 0 0
T182 411 0 0 0
T204 0 1 0 0

EnterStableSt_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 5849450 30 0 0
T6 805 1 0 0
T28 455 0 0 0
T43 0 1 0 0
T45 0 1 0 0
T48 0 1 0 0
T49 0 3 0 0
T50 0 1 0 0
T52 0 1 0 0
T53 0 1 0 0
T57 434 0 0 0
T79 565 0 0 0
T80 913 0 0 0
T90 505 0 0 0
T91 2547 0 0 0
T92 522 0 0 0
T137 0 1 0 0
T181 423 0 0 0
T182 411 0 0 0
T204 0 1 0 0

PulseIsPulse_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 5849450 30 0 0
T6 805 1 0 0
T28 455 0 0 0
T43 0 1 0 0
T45 0 1 0 0
T48 0 1 0 0
T49 0 3 0 0
T50 0 1 0 0
T52 0 1 0 0
T53 0 1 0 0
T57 434 0 0 0
T79 565 0 0 0
T80 913 0 0 0
T90 505 0 0 0
T91 2547 0 0 0
T92 522 0 0 0
T137 0 1 0 0
T181 423 0 0 0
T182 411 0 0 0
T204 0 1 0 0

StayInStableSt
NameAttemptsReal SuccessesFailuresIncomplete
Total 5849450 60240 0 0
T6 805 26 0 0
T28 455 0 0 0
T43 0 127 0 0
T45 0 135 0 0
T48 0 218 0 0
T49 0 101 0 0
T50 0 137 0 0
T52 0 18 0 0
T53 0 185 0 0
T57 434 0 0 0
T79 565 0 0 0
T80 913 0 0 0
T90 505 0 0 0
T91 2547 0 0 0
T92 522 0 0 0
T137 0 205 0 0
T181 423 0 0 0
T182 411 0 0 0
T204 0 78 0 0

gen_high_level_sva.HighLevelEvent_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 5849450 5393126 0 0
T1 489 89 0 0
T2 1386 986 0 0
T3 1092 692 0 0
T4 421 21 0 0
T5 471 71 0 0
T7 511 111 0 0
T13 422 22 0 0
T14 497 97 0 0
T15 523 123 0 0
T16 668 268 0 0

gen_not_sticky_sva.StableStDropOut_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 5849450 15 0 0
T6 805 1 0 0
T28 455 0 0 0
T45 0 1 0 0
T48 0 1 0 0
T49 0 2 0 0
T57 434 0 0 0
T79 565 0 0 0
T80 913 0 0 0
T90 505 0 0 0
T91 2547 0 0 0
T92 522 0 0 0
T113 0 2 0 0
T116 0 2 0 0
T137 0 1 0 0
T173 0 1 0 0
T177 0 1 0 0
T181 423 0 0 0
T182 411 0 0 0
T192 0 1 0 0

Line Coverage for Instance : tb.dut.u_sysrst_ctrl_keyintr.gen_keyfsm[3].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: T1 T4 T5  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: T1 T4 T5  70 1/1 trigger_active_q <= 1'b0; Tests: T1 T4 T5  71 end else begin 72 1/1 trigger_active_q <= trigger_active; Tests: T1 T4 T5  73 end 74 end 75 76 1/1 assign trigger_event = trigger_active & ~trigger_active_q; Tests: T1 T4 T5  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 T43 T49  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: T1 T5 T3  100 TimerWidth'(cfg_debounce_timer_i); 101 1/1 assign cnt_done = (cnt_q >= thresh); Tests: T1 T5 T3  102 103 always_ff @(posedge clk_i or negedge rst_ni) begin : p_cnt_reg 104 1/1 if (!rst_ni) begin Tests: T1 T4 T5  105 1/1 cnt_q <= '0; Tests: T1 T4 T5  106 end else begin 107 1/1 cnt_q <= cnt_d; Tests: T1 T4 T5  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: T1 T4 T5  126 127 // Counter controls (clear has priority). 128 1/1 cnt_clr = 1'b0; Tests: T1 T4 T5  129 1/1 cnt_en = 1'b0; Tests: T1 T4 T5  130 131 // Detected outputs 132 1/1 event_detected_o = 1'b0; Tests: T1 T4 T5  133 1/1 event_detected_pulse_o = 1'b0; Tests: T1 T4 T5  134 135 // Threshold select 136 // 0: debounce 137 // 1: detect 138 1/1 thresh_sel = 1'b0; Tests: T1 T4 T5  139 140 1/1 unique case (state_q) Tests: T1 T4 T5  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: T1 T4 T5  148 1/1 state_d = DebounceSt; Tests: T3 T43 T49  149 1/1 cnt_en = 1'b1; Tests: T3 T43 T49  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 T43 T49  161 // Unconditionally go back to idle if the detector is disabled. 162 1/1 if (!cfg_enable_i) begin Tests: T3 T43 T49  163 0/1 ==> state_d = IdleSt; 164 0/1 ==> cnt_clr = 1'b1; 165 1/1 end else if (cnt_done) begin Tests: T3 T43 T49  166 1/1 cnt_clr = 1'b1; Tests: T3 T43 T49  167 1/1 if (trigger_active) begin Tests: T3 T43 T49  168 1/1 state_d = DetectSt; Tests: T3 T43 T49  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: T3 T43 T49  182 1/1 cnt_en = 1'b1; Tests: T3 T43 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 T43 T49  186 1/1 state_d = IdleSt; Tests: T113  187 1/1 cnt_clr = 1'b1; Tests: T113  188 // If the trigger is active, count up. 189 end else begin 190 1/1 if (cnt_done) begin Tests: T3 T43 T49  191 1/1 state_d = StableSt; Tests: T3 T43 T49  192 1/1 cnt_clr = 1'b1; Tests: T3 T43 T49  193 1/1 event_detected_o = 1'b1; Tests: T3 T43 T49  194 1/1 event_detected_pulse_o = 1'b1; Tests: T3 T43 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 T43 T49  206 1/1 state_d = IdleSt; Tests: T3 T43 T49  207 // Otherwise keep the event detected output signal high. 208 end else begin 209 1/1 event_detected_o = 1'b1; Tests: T43 T49 T47  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: T1 T4 T5  220 1/1 state_q <= IdleSt; Tests: T1 T4 T5  221 end else begin 222 1/1 state_q <= state_d; Tests: T1 T4 T5 

Cond Coverage for Instance : tb.dut.u_sysrst_ctrl_keyintr.gen_keyfsm[3].u_sysrst_ctrl_detect_h2l
TotalCoveredPercent
Conditions222195.45
Logical222195.45
Non-Logical00
Event00

 LINE       58
 EXPRESSION (trigger_i == 1'b0)
            ---------1---------
-1-StatusTests
0CoveredT1,T4,T5
1CoveredT1,T4,T5

 LINE       76
 EXPRESSION (trigger_active & ((~gen_trigger_event_edge.trigger_active_q)))
             -------1------   ----------------------2---------------------
-1--2-StatusTests
01CoveredT1,T4,T5
10CoveredT1,T4,T5
11CoveredT1,T4,T5

 LINE       92
 EXPRESSION (cnt_clr ? '0 : (cnt_en ? ((cnt_q + 1'b1)) : cnt_q))
             ---1---
-1-StatusTests
0CoveredT1,T4,T5
1CoveredT3,T43,T49

 LINE       92
 SUB-EXPRESSION (cnt_en ? ((cnt_q + 1'b1)) : cnt_q)
                 ---1--
-1-StatusTests
0CoveredT1,T4,T5
1CoveredT3,T43,T49

 LINE       99
 EXPRESSION (thresh_sel ? (16'(cfg_detect_timer_i)) : (16'(cfg_debounce_timer_i)))
             -----1----
-1-StatusTests
0CoveredT1,T4,T5
1CoveredT3,T43,T49

 LINE       147
 EXPRESSION (trigger_event && cfg_enable_i)
             ------1------    ------2-----
-1--2-StatusTests
01CoveredT3,T43,T49
10CoveredT1,T4,T5
11CoveredT3,T43,T49

 LINE       185
 EXPRESSION (((!cfg_enable_i)) || ((!trigger_active)))
             --------1--------    ---------2---------
-1--2-StatusTests
00CoveredT3,T43,T49
01CoveredT113
10Not Covered

 LINE       205
 EXPRESSION (((!cfg_enable_i)) || (((!trigger_active)) && ((!Sticky))))
             --------1--------    ------------------2-----------------
-1--2-StatusTests
00CoveredT43,T49,T47
01CoveredT3,T43,T49
10CoveredT52,T71

 LINE       205
 SUB-EXPRESSION (((!trigger_active)) && ((!Sticky)))
                 ---------1---------    -----2-----
-1--2-StatusTests
0-CoveredT43,T49,T47
1-CoveredT3,T43,T49

FSM Coverage for Instance : tb.dut.u_sysrst_ctrl_keyintr.gen_keyfsm[3].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,T43,T49
DetectSt 168 Covered T3,T43,T49
IdleSt 163 Covered T1,T4,T5
StableSt 191 Covered T3,T43,T49


transitionsLine No.CoveredTests
DebounceSt->DetectSt 168 Covered T3,T43,T49
DebounceSt->IdleSt 163 Not Covered
DetectSt->IdleSt 186 Covered T113
DetectSt->StableSt 191 Covered T3,T43,T49
IdleSt->DebounceSt 148 Covered T3,T43,T49
StableSt->IdleSt 206 Covered T3,T43,T49



Branch Coverage for Instance : tb.dut.u_sysrst_ctrl_keyintr.gen_keyfsm[3].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 T3,T43,T49
0 1 Covered T3,T43,T49
0 0 Covered T1,T4,T5


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

Branches:
-1-StatusTests
1 Covered T3,T43,T49
0 Covered T1,T4,T5


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

Branches:
-1-StatusTests
1 Covered T1,T4,T5
0 Covered T1,T4,T5


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,T43,T49
IdleSt 0 - - - - - - Covered T1,T4,T5
DebounceSt - 1 - - - - - Not Covered
DebounceSt - 0 1 1 - - - Covered T3,T43,T49
DebounceSt - 0 1 0 - - - Not Covered
DebounceSt - 0 0 - - - - Covered T3,T43,T49
DetectSt - - - - 1 - - Covered T113
DetectSt - - - - 0 1 - Covered T3,T43,T49
DetectSt - - - - 0 0 - Excluded VC_COV_UNR
StableSt - - - - - - 1 Covered T3,T43,T49
StableSt - - - - - - 0 Covered T43,T49,T47
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 T1,T4,T5
0 Covered T1,T4,T5


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 T1,T4,T5
0 Covered T1,T4,T5


Assert Coverage for Instance : tb.dut.u_sysrst_ctrl_keyintr.gen_keyfsm[3].u_sysrst_ctrl_detect_h2l
TotalAttemptedPercentSucceeded/MatchedPercent
Assertions 16 16 100.00 16 100.00
Cover properties 0 0 0
Cover sequences 0 0 0
Total 16 16 100.00 16 100.00




Assertion Details

NameAttemptsReal SuccessesFailuresIncomplete
CntClr_A 5849450 48 0 0
CntIncr_A 5849450 27990 0 0
CntNoWrap_A 5849450 5391159 0 0
DetectStDropOut_A 5849450 1 0 0
DetectedOut_A 5849450 1402 0 0
DetectedPulseOut_A 5849450 23 0 0
DisabledIdleSt_A 5849450 5075239 0 0
DisabledNoDetection_A 5849450 5077128 0 0
EnterDebounceSt_A 5849450 24 0 0
EnterDetectSt_A 5849450 24 0 0
EnterStableSt_A 5849450 23 0 0
PulseIsPulse_A 5849450 23 0 0
StayInStableSt 5849450 1370 0 0
gen_edge_to_low_event_sva.EdgeToLowEvent_A 5849450 5112 0 0
gen_low_level_sva.LowLevelEvent_A 5849450 5393126 0 0
gen_not_sticky_sva.StableStDropOut_A 5849450 12 0 0


CntClr_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 5849450 48 0 0
T3 1092 2 0 0
T7 511 0 0 0
T8 484 0 0 0
T15 523 0 0 0
T16 668 0 0 0
T22 496 0 0 0
T24 508 0 0 0
T25 502 0 0 0
T26 1505 0 0 0
T43 0 2 0 0
T47 0 2 0 0
T49 0 4 0 0
T52 0 2 0 0
T54 0 2 0 0
T66 426 0 0 0
T71 0 2 0 0
T116 0 4 0 0
T203 0 2 0 0
T212 0 2 0 0

CntIncr_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 5849450 27990 0 0
T3 1092 92 0 0
T7 511 0 0 0
T8 484 0 0 0
T15 523 0 0 0
T16 668 0 0 0
T22 496 0 0 0
T24 508 0 0 0
T25 502 0 0 0
T26 1505 0 0 0
T43 0 12 0 0
T47 0 63 0 0
T49 0 138 0 0
T52 0 27 0 0
T54 0 38 0 0
T66 426 0 0 0
T71 0 28 0 0
T116 0 80 0 0
T203 0 19 0 0
T212 0 72 0 0

CntNoWrap_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 5849450 5391159 0 0
T1 489 88 0 0
T2 1386 985 0 0
T3 1092 689 0 0
T4 421 20 0 0
T5 471 70 0 0
T7 511 110 0 0
T13 422 21 0 0
T14 497 96 0 0
T15 523 122 0 0
T16 668 267 0 0

DetectStDropOut_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 5849450 1 0 0
T113 1018 1 0 0
T115 10020 0 0 0
T216 918 0 0 0
T217 502 0 0 0
T218 29273 0 0 0
T219 880 0 0 0
T220 506 0 0 0
T221 493 0 0 0
T222 402 0 0 0
T223 406 0 0 0

DetectedOut_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 5849450 1402 0 0
T3 1092 1 0 0
T7 511 0 0 0
T8 484 0 0 0
T15 523 0 0 0
T16 668 0 0 0
T22 496 0 0 0
T24 508 0 0 0
T25 502 0 0 0
T26 1505 0 0 0
T43 0 40 0 0
T47 0 158 0 0
T49 0 100 0 0
T52 0 18 0 0
T54 0 53 0 0
T66 426 0 0 0
T71 0 14 0 0
T116 0 62 0 0
T203 0 42 0 0
T212 0 228 0 0

DetectedPulseOut_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 5849450 23 0 0
T3 1092 1 0 0
T7 511 0 0 0
T8 484 0 0 0
T15 523 0 0 0
T16 668 0 0 0
T22 496 0 0 0
T24 508 0 0 0
T25 502 0 0 0
T26 1505 0 0 0
T43 0 1 0 0
T47 0 1 0 0
T49 0 2 0 0
T52 0 1 0 0
T54 0 1 0 0
T66 426 0 0 0
T71 0 1 0 0
T116 0 2 0 0
T203 0 1 0 0
T212 0 1 0 0

DisabledIdleSt_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 5849450 5075239 0 0
T1 489 88 0 0
T2 1386 985 0 0
T3 1092 3 0 0
T4 421 20 0 0
T5 471 70 0 0
T7 511 110 0 0
T13 422 21 0 0
T14 497 96 0 0
T15 523 122 0 0
T16 668 267 0 0

DisabledNoDetection_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 5849450 5077128 0 0
T1 489 89 0 0
T2 1386 986 0 0
T3 1092 3 0 0
T4 421 21 0 0
T5 471 71 0 0
T7 511 111 0 0
T13 422 22 0 0
T14 497 97 0 0
T15 523 123 0 0
T16 668 268 0 0

EnterDebounceSt_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 5849450 24 0 0
T3 1092 1 0 0
T7 511 0 0 0
T8 484 0 0 0
T15 523 0 0 0
T16 668 0 0 0
T22 496 0 0 0
T24 508 0 0 0
T25 502 0 0 0
T26 1505 0 0 0
T43 0 1 0 0
T47 0 1 0 0
T49 0 2 0 0
T52 0 1 0 0
T54 0 1 0 0
T66 426 0 0 0
T71 0 1 0 0
T116 0 2 0 0
T203 0 1 0 0
T212 0 1 0 0

EnterDetectSt_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 5849450 24 0 0
T3 1092 1 0 0
T7 511 0 0 0
T8 484 0 0 0
T15 523 0 0 0
T16 668 0 0 0
T22 496 0 0 0
T24 508 0 0 0
T25 502 0 0 0
T26 1505 0 0 0
T43 0 1 0 0
T47 0 1 0 0
T49 0 2 0 0
T52 0 1 0 0
T54 0 1 0 0
T66 426 0 0 0
T71 0 1 0 0
T116 0 2 0 0
T203 0 1 0 0
T212 0 1 0 0

EnterStableSt_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 5849450 23 0 0
T3 1092 1 0 0
T7 511 0 0 0
T8 484 0 0 0
T15 523 0 0 0
T16 668 0 0 0
T22 496 0 0 0
T24 508 0 0 0
T25 502 0 0 0
T26 1505 0 0 0
T43 0 1 0 0
T47 0 1 0 0
T49 0 2 0 0
T52 0 1 0 0
T54 0 1 0 0
T66 426 0 0 0
T71 0 1 0 0
T116 0 2 0 0
T203 0 1 0 0
T212 0 1 0 0

PulseIsPulse_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 5849450 23 0 0
T3 1092 1 0 0
T7 511 0 0 0
T8 484 0 0 0
T15 523 0 0 0
T16 668 0 0 0
T22 496 0 0 0
T24 508 0 0 0
T25 502 0 0 0
T26 1505 0 0 0
T43 0 1 0 0
T47 0 1 0 0
T49 0 2 0 0
T52 0 1 0 0
T54 0 1 0 0
T66 426 0 0 0
T71 0 1 0 0
T116 0 2 0 0
T203 0 1 0 0
T212 0 1 0 0

StayInStableSt
NameAttemptsReal SuccessesFailuresIncomplete
Total 5849450 1370 0 0
T43 2561 39 0 0
T44 930 0 0 0
T47 0 156 0 0
T49 0 98 0 0
T52 0 17 0 0
T54 0 51 0 0
T71 0 13 0 0
T81 1512 0 0 0
T116 0 59 0 0
T170 0 125 0 0
T203 0 40 0 0
T205 426 0 0 0
T206 502 0 0 0
T207 406 0 0 0
T208 421 0 0 0
T209 407 0 0 0
T210 719 0 0 0
T211 523 0 0 0
T212 0 226 0 0

gen_edge_to_low_event_sva.EdgeToLowEvent_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 5849450 5112 0 0
T1 489 1 0 0
T2 1386 0 0 0
T3 1092 1 0 0
T4 421 1 0 0
T5 471 1 0 0
T7 511 1 0 0
T13 422 1 0 0
T14 497 10 0 0
T15 523 7 0 0
T16 668 0 0 0
T24 0 6 0 0
T66 0 3 0 0

gen_low_level_sva.LowLevelEvent_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 5849450 5393126 0 0
T1 489 89 0 0
T2 1386 986 0 0
T3 1092 692 0 0
T4 421 21 0 0
T5 471 71 0 0
T7 511 111 0 0
T13 422 22 0 0
T14 497 97 0 0
T15 523 123 0 0
T16 668 268 0 0

gen_not_sticky_sva.StableStDropOut_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 5849450 12 0 0
T3 1092 1 0 0
T7 511 0 0 0
T8 484 0 0 0
T15 523 0 0 0
T16 668 0 0 0
T22 496 0 0 0
T24 508 0 0 0
T25 502 0 0 0
T26 1505 0 0 0
T43 0 1 0 0
T49 0 2 0 0
T66 426 0 0 0
T113 0 1 0 0
T116 0 1 0 0
T170 0 1 0 0
T173 0 1 0 0
T179 0 2 0 0
T213 0 1 0 0
T214 0 1 0 0

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