Unified Coverage Report :: Module Instance :: tb.dut.u_sysrst_ctrl_combo.gen_combo_trigger[0].u_sysrst_ctrl_detect_pre

Module Instance : tb.dut.u_sysrst_ctrl_combo.gen_combo_trigger[0].u_sysrst_ctrl_detect_pre

Instance :

SCORE	LINE	COND	TOGGLE	FSM	BRANCH	ASSERT
100.00	100.00	100.00		100.00	100.00	100.00

Instance's subtree :

SCORE	LINE	COND	TOGGLE	FSM	BRANCH	ASSERT
100.00	100.00	100.00		100.00	100.00	100.00

Parent :

SCORE	LINE	COND	TOGGLE	FSM	BRANCH	ASSERT	NAME
100.00	100.00	100.00					u_sysrst_ctrl_combo

Subtrees :

NAME	SCORE	LINE	COND	TOGGLE	FSM	BRANCH	ASSERT
no children

Module Instance : tb.dut.u_sysrst_ctrl_combo.gen_combo_trigger[0].u_sysrst_ctrl_detect

Instance :

SCORE	LINE	COND	TOGGLE	FSM	BRANCH	ASSERT
100.00	100.00	100.00		100.00	100.00	100.00

Instance's subtree :

SCORE	LINE	COND	TOGGLE	FSM	BRANCH	ASSERT
100.00	100.00	100.00		100.00	100.00	100.00

Parent :

SCORE	LINE	COND	TOGGLE	FSM	BRANCH	ASSERT	NAME
100.00	100.00	100.00					u_sysrst_ctrl_combo

Subtrees :

NAME	SCORE	LINE	COND	TOGGLE	FSM	BRANCH	ASSERT
no children

Module Instance : tb.dut.u_sysrst_ctrl_combo.gen_combo_trigger[1].u_sysrst_ctrl_detect_pre

Instance :

SCORE	LINE	COND	TOGGLE	FSM	BRANCH	ASSERT
100.00	100.00	100.00		100.00	100.00	100.00

Instance's subtree :

SCORE	LINE	COND	TOGGLE	FSM	BRANCH	ASSERT
100.00	100.00	100.00		100.00	100.00	100.00

Parent :

SCORE	LINE	COND	TOGGLE	FSM	BRANCH	ASSERT	NAME
100.00	100.00	100.00					u_sysrst_ctrl_combo

Subtrees :

NAME	SCORE	LINE	COND	TOGGLE	FSM	BRANCH	ASSERT
no children

Module Instance : tb.dut.u_sysrst_ctrl_combo.gen_combo_trigger[1].u_sysrst_ctrl_detect

Instance :

SCORE	LINE	COND	TOGGLE	FSM	BRANCH	ASSERT
100.00	100.00	100.00		100.00	100.00	100.00

Instance's subtree :

SCORE	LINE	COND	TOGGLE	FSM	BRANCH	ASSERT
100.00	100.00	100.00		100.00	100.00	100.00

Parent :

SCORE	LINE	COND	TOGGLE	FSM	BRANCH	ASSERT	NAME
100.00	100.00	100.00					u_sysrst_ctrl_combo

Subtrees :

NAME	SCORE	LINE	COND	TOGGLE	FSM	BRANCH	ASSERT
no children

Module Instance : tb.dut.u_sysrst_ctrl_combo.gen_combo_trigger[2].u_sysrst_ctrl_detect_pre

Instance :

SCORE	LINE	COND	TOGGLE	FSM	BRANCH	ASSERT
100.00	100.00	100.00		100.00	100.00	100.00

Instance's subtree :

SCORE	LINE	COND	TOGGLE	FSM	BRANCH	ASSERT
100.00	100.00	100.00		100.00	100.00	100.00

Parent :

SCORE	LINE	COND	TOGGLE	FSM	BRANCH	ASSERT	NAME
100.00	100.00	100.00					u_sysrst_ctrl_combo

Subtrees :

NAME	SCORE	LINE	COND	TOGGLE	FSM	BRANCH	ASSERT
no children

Module Instance : tb.dut.u_sysrst_ctrl_combo.gen_combo_trigger[2].u_sysrst_ctrl_detect

Instance :

SCORE	LINE	COND	TOGGLE	FSM	BRANCH	ASSERT
100.00	100.00	100.00		100.00	100.00	100.00

Instance's subtree :

SCORE	LINE	COND	TOGGLE	FSM	BRANCH	ASSERT
100.00	100.00	100.00		100.00	100.00	100.00

Parent :

SCORE	LINE	COND	TOGGLE	FSM	BRANCH	ASSERT	NAME
100.00	100.00	100.00					u_sysrst_ctrl_combo

Subtrees :

NAME	SCORE	LINE	COND	TOGGLE	FSM	BRANCH	ASSERT
no children

Line Coverage for Instance : tb.dut.u_sysrst_ctrl_combo.gen_combo_trigger[0].u_sysrst_ctrl_detect_pre

	Line No.	Total	Covered	Percent
TOTAL		43	43	100.00
CONT_ASSIGN	60	1	1	100.00
CONT_ASSIGN	79	1	1	100.00
CONT_ASSIGN	92	1	1	100.00
CONT_ASSIGN	99	1	1	100.00
CONT_ASSIGN	101	1	1	100.00
ALWAYS	104	3	3	100.00
ALWAYS	125	32	32	100.00
ALWAYS	219	3	3	100.00

59                        end else begin : gen_trigger_active_high
60         1/1              assign trigger_active = (trigger_i == 1'b1);
           Tests:       T24 T31 T32 
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                            if (!rst_ni) begin
70                              trigger_active_q <= 1'b0;
71                            end else begin
72                              trigger_active_q <= trigger_active;
73                            end
74                          end
75                      
76                          assign trigger_event = trigger_active & ~trigger_active_q;
77                        // In case of level events, the event is equal to the level being active.
78                        end else begin : gen_trigger_event_level
79         1/1              assign trigger_event = trigger_active;
           Tests:       T24 T31 T32 
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:       T14 T29 T30 
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 T2 T14 
100                                                      TimerWidth'(cfg_debounce_timer_i);
101        1/1            assign cnt_done = (cnt_q >= thresh);
           Tests:       T1 T2 T14 
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 T2 
105        1/1                cnt_q <= '0;
           Tests:       T1 T4 T2 
106                         end else begin
107        1/1                cnt_q <= cnt_d;
           Tests:       T1 T4 T2 
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:       T14 T29 T30 
126                     
127                         // Counter controls (clear has priority).
128        1/1              cnt_clr = 1'b0;
           Tests:       T14 T29 T30 
129        1/1              cnt_en = 1'b0;
           Tests:       T14 T29 T30 
130                     
131                         // Detected outputs
132        1/1              event_detected_o = 1'b0;
           Tests:       T14 T29 T30 
133        1/1              event_detected_pulse_o = 1'b0;
           Tests:       T14 T29 T30 
134                     
135                         // Threshold select
136                         // 0: debounce
137                         // 1: detect
138        1/1              thresh_sel = 1'b0;
           Tests:       T14 T29 T30 
139                     
140        1/1              unique case (state_q)
           Tests:       T14 T29 T30 
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:       T14 T29 T30 
148        1/1                    state_d = DebounceSt;
           Tests:       T14 T29 T30 
149        1/1                    cnt_en = 1'b1;
           Tests:       T14 T29 T30 
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:       T14 T29 T30 
161                             // Unconditionally go back to idle if the detector is disabled.
162        1/1                  if (!cfg_enable_i) begin
           Tests:       T14 T29 T30 
163        1/1                    state_d = IdleSt;
           Tests:       T24 T31 
164        1/1                    cnt_clr = 1'b1;
           Tests:       T24 T31 
165        1/1                  end else if (cnt_done) begin
           Tests:       T14 T29 T30 
166        1/1                    cnt_clr = 1'b1;
           Tests:       T14 T29 T30 
167        1/1                    if (trigger_active) begin
           Tests:       T14 T29 T30 
168        1/1                      state_d = DetectSt;
           Tests:       T14 T29 T30 
169                               end else begin
170        1/1                      state_d = IdleSt;
           Tests:       T24 T31 T104 
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:       T14 T29 T30 
182        1/1                  cnt_en = 1'b1;
           Tests:       T14 T29 T30 
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:       T14 T29 T30 
186        1/1                    state_d = IdleSt;
           Tests:       T24 T31 T32 
187        1/1                    cnt_clr = 1'b1;
           Tests:       T24 T31 T32 
188                             // If the trigger is active, count up.
189                             end else begin
190        1/1                    if (cnt_done) begin
           Tests:       T14 T29 T30 
191        1/1                      state_d = StableSt;
           Tests:       T14 T29 T30 
192        1/1                      cnt_clr = 1'b1;
           Tests:       T14 T29 T30 
193        1/1                      event_detected_o = 1'b1;
           Tests:       T14 T29 T30 
194        1/1                      event_detected_pulse_o = 1'b1;
           Tests:       T14 T29 T30 
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:       T14 T29 T30 
206        1/1                    state_d = IdleSt;
           Tests:       T24 T31 T37 
207                             // Otherwise keep the event detected output signal high.
208                             end else begin
209        1/1                    event_detected_o = 1'b1;
           Tests:       T14 T29 T30 
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 T2 
220        1/1                state_q <= IdleSt;
           Tests:       T1 T4 T2 
221                         end else begin
222        1/1                state_q <= state_d;
           Tests:       T1 T4 T2 

---

Cond Coverage for Instance : tb.dut.u_sysrst_ctrl_combo.gen_combo_trigger[0].u_sysrst_ctrl_detect_pre

	Total	Covered	Percent
Conditions	19	19	100.00
Logical	19	19	100.00
Non-Logical	0	0
Event	0	0

 LINE       60
 EXPRESSION (trigger_i == 1'b1)
            ---------1---------

-1-	Status	Tests
0	Covered	T24,T31,T32
1	Covered	T1,T4,T2

 LINE       92
 EXPRESSION (cnt_clr ? '0 : (cnt_en ? ((cnt_q + 1'b1)) : cnt_q))
             ---1---

-1-	Status	Tests
0	Covered	T1,T4,T2
1	Covered	T14,T29,T30

 LINE       92
 SUB-EXPRESSION (cnt_en ? ((cnt_q + 1'b1)) : cnt_q)
                 ---1--

-1-	Status	Tests
0	Covered	T1,T4,T2
1	Covered	T14,T29,T30

 LINE       99
 EXPRESSION (thresh_sel ? (32'(cfg_detect_timer_i)) : (32'(cfg_debounce_timer_i)))
             -----1----

-1-	Status	Tests
0	Covered	T1,T4,T2
1	Covered	T14,T29,T30

 LINE       147
 EXPRESSION (trigger_event && cfg_enable_i)
             ------1------    ------2-----

-1-	-2-	Status	Tests
0	1	Covered	T24,T31,T32
1	0	Covered	T24,T31,T32
1	1	Covered	T14,T29,T30

 LINE       185
 EXPRESSION (((!cfg_enable_i)) || ((!trigger_active)))
             --------1--------    ---------2---------

-1-	-2-	Status	Tests
0	0	Covered	T14,T29,T30
0	1	Covered	T24,T31,T32
1	0	Covered	T24,T31,T32

 LINE       205
 EXPRESSION (((!cfg_enable_i)) || (((!trigger_active)) && ((!Sticky))))
             --------1--------    ------------------2-----------------

-1-	-2-	Status	Tests
0	0	Covered	T14,T29,T30
0	1	Covered	T24,T31,T37
1	0	Covered	T31,T152

 LINE       205
 SUB-EXPRESSION (((!trigger_active)) && ((!Sticky)))
                 ---------1---------    -----2-----

-1-	-2-	Status	Tests
0	-	Covered	T14,T29,T30
1	-	Covered	T24,T31,T37

---

FSM Coverage for Instance : tb.dut.u_sysrst_ctrl_combo.gen_combo_trigger[0].u_sysrst_ctrl_detect_pre

Summary for FSM :: state_q

	Total	Covered	Percent
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

---

states	Line No.	Covered	Tests
DebounceSt	148	Covered	T14,T29,T30
DetectSt	168	Covered	T14,T29,T30
IdleSt	163	Covered	T1,T4,T2
StableSt	191	Covered	T14,T29,T30

transitions	Line No.	Covered	Tests
DebounceSt->DetectSt	168	Covered	T14,T29,T30
DebounceSt->IdleSt	163	Covered	T24,T31,T104
DetectSt->IdleSt	186	Covered	T24,T31,T32
DetectSt->StableSt	191	Covered	T14,T29,T30
IdleSt->DebounceSt	148	Covered	T14,T29,T30
StableSt->IdleSt	206	Covered	T24,T31,T37

---

Branch Coverage for Instance : tb.dut.u_sysrst_ctrl_combo.gen_combo_trigger[0].u_sysrst_ctrl_detect_pre

	Line No.	Total	Covered	Percent
Branches		20	20	100.00
TERNARY	92	3	3	100.00
TERNARY	99	2	2	100.00
IF	104	2	2	100.00
CASE	140	11	11	100.00
IF	219	2	2	100.00

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

Branches:

-1-	-2-	Status	Tests
1	-	Covered	T14,T29,T30
0	1	Covered	T14,T29,T30
0	0	Covered	T1,T4,T2

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

Branches:

-1-	Status	Tests
1	Covered	T14,T29,T30
0	Covered	T1,T4,T2

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

Branches:

-1-	Status	Tests
1	Covered	T1,T4,T2
0	Covered	T1,T4,T2

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
                     ==>
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-	Status	Tests	Exclude Annotation
IdleSt	1	-	-	-	-	-	-	Covered	T14,T29,T30
IdleSt	0	-	-	-	-	-	-	Covered	T24,T31,T32
DebounceSt	-	1	-	-	-	-	-	Covered	T24,T31
DebounceSt	-	0	1	1	-	-	-	Covered	T14,T29,T30
DebounceSt	-	0	1	0	-	-	-	Covered	T24,T31,T104
DebounceSt	-	0	0	-	-	-	-	Covered	T14,T29,T30
DetectSt	-	-	-	-	1	-	-	Covered	T24,T31,T32
DetectSt	-	-	-	-	0	1	-	Covered	T14,T29,T30
DetectSt	-	-	-	-	0	0	-	Covered	T14,T29,T30
StableSt	-	-	-	-	-	-	1	Covered	T24,T31,T37
StableSt	-	-	-	-	-	-	0	Covered	T14,T29,T30
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-	Status	Tests
1	Covered	T1,T4,T2
0	Covered	T1,T4,T2

---

Assert Coverage for Instance : tb.dut.u_sysrst_ctrl_combo.gen_combo_trigger[0].u_sysrst_ctrl_detect_pre

	Total	Attempted	Percent	Succeeded/Matched	Percent
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

Name	Attempts	Real Successes	Failures	Incomplete
CntClr_A	5947631	3072	0	0
CntIncr_A	5947631	99685	0	0
CntNoWrap_A	5947631	5478168	0	0
DetectStDropOut_A	5947631	413	0	0
DetectedOut_A	5947631	81767	0	0
DetectedPulseOut_A	5947631	969	0	0
DisabledIdleSt_A	5947631	5059270	0	0
DisabledNoDetection_A	5947631	5060856	0	0
EnterDebounceSt_A	5947631	1564	0	0
EnterDetectSt_A	5947631	1509	0	0
EnterStableSt_A	5947631	969	0	0
PulseIsPulse_A	5947631	969	0	0
StayInStableSt	5947631	80645	0	0
gen_high_event_sva.HighLevelEvent_A	5947631	5483067	0	0
gen_high_level_sva.HighLevelEvent_A	5947631	5483067	0	0
gen_not_sticky_sva.StableStDropOut_A	5947631	813	0	0

CntClr_A

Name	Attempts	Real Successes	Failures	Incomplete
Total	5947631	3072	0	0
T3	1327	0	0	0
T5	790	0	0	0
T14	452	2	0	0
T15	502	0	0	0
T16	716	0	0	0
T17	491	0	0	0
T18	1786	0	0	0
T23	710	0	0	0
T24	0	16	0	0
T29	0	2	0	0
T30	0	2	0	0
T31	0	16	0	0
T32	0	12	0	0
T37	0	30	0	0
T55	0	2	0	0
T58	0	50	0	0
T62	404	0	0	0
T63	725	0	0	0
T87	0	2	0	0

CntIncr_A

Name	Attempts	Real Successes	Failures	Incomplete
Total	5947631	99685	0	0
T3	1327	0	0	0
T5	790	0	0	0
T14	452	21	0	0
T15	502	0	0	0
T16	716	0	0	0
T17	491	0	0	0
T18	1786	0	0	0
T23	710	0	0	0
T24	0	480	0	0
T29	0	21	0	0
T30	0	21	0	0
T31	0	563	0	0
T32	0	405	0	0
T37	0	750	0	0
T55	0	21	0	0
T58	0	2226	0	0
T62	404	0	0	0
T63	725	0	0	0
T87	0	21	0	0

CntNoWrap_A

Name	Attempts	Real Successes	Failures	Incomplete
Total	5947631	5478168	0	0
T1	483	82	0	0
T2	681	280	0	0
T4	420	19	0	0
T12	527	126	0	0
T13	422	21	0	0
T14	452	49	0	0
T15	502	101	0	0
T16	716	315	0	0
T17	491	90	0	0
T18	1786	1385	0	0

DetectStDropOut_A

Name	Attempts	Real Successes	Failures	Incomplete
Total	5947631	413	0	0
T8	522	0	0	0
T9	492	0	0	0
T24	6838	1	0	0
T31	0	1	0	0
T32	0	4	0	0
T54	751	0	0	0
T55	471	0	0	0
T58	0	22	0	0
T64	897	0	0	0
T65	540	0	0	0
T84	559	0	0	0
T90	1161	0	0	0
T91	434	0	0	0
T104	0	5	0	0
T110	0	24	0	0
T113	0	26	0	0
T118	0	7	0	0
T119	0	13	0	0
T120	0	3	0	0

DetectedOut_A

Name	Attempts	Real Successes	Failures	Incomplete
Total	5947631	81767	0	0
T3	1327	0	0	0
T5	790	0	0	0
T14	452	26	0	0
T15	502	0	0	0
T16	716	0	0	0
T17	491	0	0	0
T18	1786	0	0	0
T23	710	0	0	0
T24	0	354	0	0
T29	0	46	0	0
T30	0	48	0	0
T31	0	472	0	0
T37	0	788	0	0
T38	0	297	0	0
T55	0	46	0	0
T62	404	0	0	0
T63	725	0	0	0
T87	0	82	0	0
T88	0	98	0	0

DetectedPulseOut_A

Name	Attempts	Real Successes	Failures	Incomplete
Total	5947631	969	0	0
T3	1327	0	0	0
T5	790	0	0	0
T14	452	1	0	0
T15	502	0	0	0
T16	716	0	0	0
T17	491	0	0	0
T18	1786	0	0	0
T23	710	0	0	0
T24	0	5	0	0
T29	0	1	0	0
T30	0	1	0	0
T31	0	5	0	0
T37	0	15	0	0
T38	0	8	0	0
T55	0	1	0	0
T62	404	0	0	0
T63	725	0	0	0
T87	0	1	0	0
T88	0	5	0	0

DisabledIdleSt_A

Name	Attempts	Real Successes	Failures	Incomplete
Total	5947631	5059270	0	0
T1	483	82	0	0
T2	681	280	0	0
T4	420	19	0	0
T12	527	126	0	0
T13	422	21	0	0
T14	452	4	0	0
T15	502	101	0	0
T16	716	315	0	0
T17	491	90	0	0
T18	1786	1385	0	0

DisabledNoDetection_A

Name	Attempts	Real Successes	Failures	Incomplete
Total	5947631	5060856	0	0
T1	483	83	0	0
T2	681	281	0	0
T4	420	20	0	0
T12	527	127	0	0
T13	422	22	0	0
T14	452	4	0	0
T15	502	102	0	0
T16	716	316	0	0
T17	491	91	0	0
T18	1786	1386	0	0

EnterDebounceSt_A

Name	Attempts	Real Successes	Failures	Incomplete
Total	5947631	1564	0	0
T3	1327	0	0	0
T5	790	0	0	0
T14	452	1	0	0
T15	502	0	0	0
T16	716	0	0	0
T17	491	0	0	0
T18	1786	0	0	0
T23	710	0	0	0
T24	0	9	0	0
T29	0	1	0	0
T30	0	1	0	0
T31	0	9	0	0
T32	0	6	0	0
T37	0	15	0	0
T55	0	1	0	0
T58	0	25	0	0
T62	404	0	0	0
T63	725	0	0	0
T87	0	1	0	0

EnterDetectSt_A

Name	Attempts	Real Successes	Failures	Incomplete
Total	5947631	1509	0	0
T3	1327	0	0	0
T5	790	0	0	0
T14	452	1	0	0
T15	502	0	0	0
T16	716	0	0	0
T17	491	0	0	0
T18	1786	0	0	0
T23	710	0	0	0
T24	0	7	0	0
T29	0	1	0	0
T30	0	1	0	0
T31	0	7	0	0
T32	0	6	0	0
T37	0	15	0	0
T55	0	1	0	0
T58	0	25	0	0
T62	404	0	0	0
T63	725	0	0	0
T87	0	1	0	0

EnterStableSt_A

Name	Attempts	Real Successes	Failures	Incomplete
Total	5947631	969	0	0
T3	1327	0	0	0
T5	790	0	0	0
T14	452	1	0	0
T15	502	0	0	0
T16	716	0	0	0
T17	491	0	0	0
T18	1786	0	0	0
T23	710	0	0	0
T24	0	5	0	0
T29	0	1	0	0
T30	0	1	0	0
T31	0	5	0	0
T37	0	15	0	0
T38	0	8	0	0
T55	0	1	0	0
T62	404	0	0	0
T63	725	0	0	0
T87	0	1	0	0
T88	0	5	0	0

PulseIsPulse_A

Name	Attempts	Real Successes	Failures	Incomplete
Total	5947631	969	0	0
T3	1327	0	0	0
T5	790	0	0	0
T14	452	1	0	0
T15	502	0	0	0
T16	716	0	0	0
T17	491	0	0	0
T18	1786	0	0	0
T23	710	0	0	0
T24	0	5	0	0
T29	0	1	0	0
T30	0	1	0	0
T31	0	5	0	0
T37	0	15	0	0
T38	0	8	0	0
T55	0	1	0	0
T62	404	0	0	0
T63	725	0	0	0
T87	0	1	0	0
T88	0	5	0	0

StayInStableSt

Name	Attempts	Real Successes	Failures	Incomplete
Total	5947631	80645	0	0
T3	1327	0	0	0
T5	790	0	0	0
T14	452	24	0	0
T15	502	0	0	0
T16	716	0	0	0
T17	491	0	0	0
T18	1786	0	0	0
T23	710	0	0	0
T24	0	349	0	0
T29	0	44	0	0
T30	0	46	0	0
T31	0	467	0	0
T37	0	772	0	0
T38	0	288	0	0
T55	0	44	0	0
T62	404	0	0	0
T63	725	0	0	0
T87	0	80	0	0
T88	0	93	0	0

gen_high_event_sva.HighLevelEvent_A

Name	Attempts	Real Successes	Failures	Incomplete
Total	5947631	5483067	0	0
T1	483	83	0	0
T2	681	281	0	0
T4	420	20	0	0
T12	527	127	0	0
T13	422	22	0	0
T14	452	52	0	0
T15	502	102	0	0
T16	716	316	0	0
T17	491	91	0	0
T18	1786	1386	0	0

gen_high_level_sva.HighLevelEvent_A

Name	Attempts	Real Successes	Failures	Incomplete
Total	5947631	5483067	0	0
T1	483	83	0	0
T2	681	281	0	0
T4	420	20	0	0
T12	527	127	0	0
T13	422	22	0	0
T14	452	52	0	0
T15	502	102	0	0
T16	716	316	0	0
T17	491	91	0	0
T18	1786	1386	0	0

gen_not_sticky_sva.StableStDropOut_A

Name	Attempts	Real Successes	Failures	Incomplete
Total	5947631	813	0	0
T8	522	0	0	0
T9	492	0	0	0
T24	6838	5	0	0
T31	0	4	0	0
T37	0	14	0	0
T38	0	7	0	0
T39	0	13	0	0
T40	0	5	0	0
T42	0	15	0	0
T54	751	0	0	0
T55	471	0	0	0
T64	897	0	0	0
T65	540	0	0	0
T84	559	0	0	0
T88	0	5	0	0
T89	0	7	0	0
T90	1161	0	0	0
T91	434	0	0	0
T279	0	8	0	0

Line Coverage for Instance : tb.dut.u_sysrst_ctrl_combo.gen_combo_trigger[0].u_sysrst_ctrl_detect

	Line No.	Total	Covered	Percent
TOTAL		46	46	100.00
CONT_ASSIGN	60	1	1	100.00
ALWAYS	69	3	3	100.00
CONT_ASSIGN	76	1	1	100.00
CONT_ASSIGN	92	1	1	100.00
CONT_ASSIGN	99	1	1	100.00
CONT_ASSIGN	101	1	1	100.00
ALWAYS	104	3	3	100.00
ALWAYS	125	32	32	100.00
ALWAYS	219	3	3	100.00

59                        end else begin : gen_trigger_active_high
60         1/1              assign trigger_active = (trigger_i == 1'b1);
           Tests:       T1 T14 T29 
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 T2 
70         1/1                  trigger_active_q <= 1'b0;
           Tests:       T1 T4 T2 
71                            end else begin
72         1/1                  trigger_active_q <= trigger_active;
           Tests:       T1 T4 T2 
73                            end
74                          end
75                      
76         1/1              assign trigger_event = trigger_active & ~trigger_active_q;
           Tests:       T1 T4 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:       T1 T14 T29 
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 T2 T14 
100                                                      TimerWidth'(cfg_debounce_timer_i);
101        1/1            assign cnt_done = (cnt_q >= thresh);
           Tests:       T1 T2 T14 
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 T2 
105        1/1                cnt_q <= '0;
           Tests:       T1 T4 T2 
106                         end else begin
107        1/1                cnt_q <= cnt_d;
           Tests:       T1 T4 T2 
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 T2 
126                     
127                         // Counter controls (clear has priority).
128        1/1              cnt_clr = 1'b0;
           Tests:       T1 T4 T2 
129        1/1              cnt_en = 1'b0;
           Tests:       T1 T4 T2 
130                     
131                         // Detected outputs
132        1/1              event_detected_o = 1'b0;
           Tests:       T1 T4 T2 
133        1/1              event_detected_pulse_o = 1'b0;
           Tests:       T1 T4 T2 
134                     
135                         // Threshold select
136                         // 0: debounce
137                         // 1: detect
138        1/1              thresh_sel = 1'b0;
           Tests:       T1 T4 T2 
139                     
140        1/1              unique case (state_q)
           Tests:       T1 T4 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:       T1 T4 T2 
148        1/1                    state_d = DebounceSt;
           Tests:       T1 T14 T29 
149        1/1                    cnt_en = 1'b1;
           Tests:       T1 T14 T29 
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:       T1 T14 T29 
161                             // Unconditionally go back to idle if the detector is disabled.
162        1/1                  if (!cfg_enable_i) begin
           Tests:       T1 T14 T29 
163        1/1                    state_d = IdleSt;
           Tests:       T24 T31 
164        1/1                    cnt_clr = 1'b1;
           Tests:       T24 T31 
165        1/1                  end else if (cnt_done) begin
           Tests:       T1 T14 T29 
166        1/1                    cnt_clr = 1'b1;
           Tests:       T1 T14 T29 
167        1/1                    if (trigger_active) begin
           Tests:       T1 T14 T29 
168        1/1                      state_d = DetectSt;
           Tests:       T1 T6 T7 
169                               end else begin
170        1/1                      state_d = IdleSt;
           Tests:       T14 T29 T30 
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:       T1 T6 T7 
182        1/1                  cnt_en = 1'b1;
           Tests:       T1 T6 T7 
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:       T1 T6 T7 
186        1/1                    state_d = IdleSt;
           Tests:       T24 T31 T52 
187        1/1                    cnt_clr = 1'b1;
           Tests:       T24 T31 T52 
188                             // If the trigger is active, count up.
189                             end else begin
190        1/1                    if (cnt_done) begin
           Tests:       T1 T6 T7 
191        1/1                      state_d = StableSt;
           Tests:       T1 T6 T7 
192        1/1                      cnt_clr = 1'b1;
           Tests:       T1 T6 T7 
193        1/1                      event_detected_o = 1'b1;
           Tests:       T1 T6 T7 
194        1/1                      event_detected_pulse_o = 1'b1;
           Tests:       T1 T6 T7 
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:       T1 T6 T7 
206        1/1                    state_d = IdleSt;
           Tests:       T1 T6 T7 
207                             // Otherwise keep the event detected output signal high.
208                             end else begin
209        1/1                    event_detected_o = 1'b1;
           Tests:       T1 T6 T7 
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 T2 
220        1/1                state_q <= IdleSt;
           Tests:       T1 T4 T2 
221                         end else begin
222        1/1                state_q <= state_d;
           Tests:       T1 T4 T2 

---

Cond Coverage for Instance : tb.dut.u_sysrst_ctrl_combo.gen_combo_trigger[0].u_sysrst_ctrl_detect

	Total	Covered	Percent
Conditions	22	22	100.00
Logical	22	22	100.00
Non-Logical	0	0
Event	0	0

 LINE       60
 EXPRESSION (trigger_i == 1'b1)
            ---------1---------

-1-	Status	Tests
0	Covered	T1,T14,T29
1	Covered	T1,T4,T2

 LINE       76
 EXPRESSION (trigger_active & ((~gen_trigger_event_edge.trigger_active_q)))
             -------1------   ----------------------2---------------------

-1-	-2-	Status	Tests
0	1	Covered	T1,T14,T29
1	0	Covered	T1,T4,T2
1	1	Covered	T1,T4,T2

 LINE       92
 EXPRESSION (cnt_clr ? '0 : (cnt_en ? ((cnt_q + 1'b1)) : cnt_q))
             ---1---

-1-	Status	Tests
0	Covered	T1,T4,T2
1	Covered	T1,T14,T29

 LINE       92
 SUB-EXPRESSION (cnt_en ? ((cnt_q + 1'b1)) : cnt_q)
                 ---1--

-1-	Status	Tests
0	Covered	T1,T4,T2
1	Covered	T1,T14,T29

 LINE       99
 EXPRESSION (thresh_sel ? (32'(cfg_detect_timer_i)) : (32'(cfg_debounce_timer_i)))
             -----1----

-1-	Status	Tests
0	Covered	T1,T4,T2
1	Covered	T1,T6,T7

 LINE       147
 EXPRESSION (trigger_event && cfg_enable_i)
             ------1------    ------2-----

-1-	-2-	Status	Tests
0	1	Covered	T1,T14,T29
1	0	Covered	T81,T24,T64
1	1	Covered	T1,T14,T29

 LINE       185
 EXPRESSION (((!cfg_enable_i)) || ((!trigger_active)))
             --------1--------    ---------2---------

-1-	-2-	Status	Tests
0	0	Covered	T1,T6,T7
0	1	Covered	T24,T52,T41
1	0	Covered	T24,T31

 LINE       205
 EXPRESSION (((!cfg_enable_i)) || (((!trigger_active)) && ((!Sticky))))
             --------1--------    ------------------2-----------------

-1-	-2-	Status	Tests
0	0	Covered	T1,T6,T7
0	1	Covered	T1,T6,T7
1	0	Covered	T31,T280

 LINE       205
 SUB-EXPRESSION (((!trigger_active)) && ((!Sticky)))
                 ---------1---------    -----2-----

-1-	-2-	Status	Tests
0	-	Covered	T1,T6,T7
1	-	Covered	T1,T6,T7

---

FSM Coverage for Instance : tb.dut.u_sysrst_ctrl_combo.gen_combo_trigger[0].u_sysrst_ctrl_detect

Summary for FSM :: state_q

	Total	Covered	Percent
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

---

states	Line No.	Covered	Tests
DebounceSt	148	Covered	T1,T14,T29
DetectSt	168	Covered	T1,T6,T7
IdleSt	163	Covered	T1,T4,T2
StableSt	191	Covered	T1,T6,T7

transitions	Line No.	Covered	Tests
DebounceSt->DetectSt	168	Covered	T1,T6,T7
DebounceSt->IdleSt	163	Covered	T14,T29,T30
DetectSt->IdleSt	186	Covered	T24,T31,T52
DetectSt->StableSt	191	Covered	T1,T6,T7
IdleSt->DebounceSt	148	Covered	T1,T14,T29
StableSt->IdleSt	206	Covered	T1,T6,T7

---

Branch Coverage for Instance : tb.dut.u_sysrst_ctrl_combo.gen_combo_trigger[0].u_sysrst_ctrl_detect

	Line No.	Total	Covered	Percent
Branches		22	22	100.00
TERNARY	92	3	3	100.00
TERNARY	99	2	2	100.00
IF	104	2	2	100.00
CASE	140	11	11	100.00
IF	219	2	2	100.00
IF	69	2	2	100.00

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

Branches:

-1-	-2-	Status	Tests
1	-	Covered	T1,T14,T29
0	1	Covered	T1,T14,T29
0	0	Covered	T1,T4,T2

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

Branches:

-1-	Status	Tests
1	Covered	T1,T6,T7
0	Covered	T1,T4,T2

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

Branches:

-1-	Status	Tests
1	Covered	T1,T4,T2
0	Covered	T1,T4,T2

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
                     ==>
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-	Status	Tests	Exclude Annotation
IdleSt	1	-	-	-	-	-	-	Covered	T1,T14,T29
IdleSt	0	-	-	-	-	-	-	Covered	T1,T4,T2
DebounceSt	-	1	-	-	-	-	-	Covered	T24,T31
DebounceSt	-	0	1	1	-	-	-	Covered	T1,T6,T7
DebounceSt	-	0	1	0	-	-	-	Covered	T14,T29,T30
DebounceSt	-	0	0	-	-	-	-	Covered	T1,T14,T29
DetectSt	-	-	-	-	1	-	-	Covered	T24,T31,T52
DetectSt	-	-	-	-	0	1	-	Covered	T1,T6,T7
DetectSt	-	-	-	-	0	0	-	Covered	T1,T6,T7
StableSt	-	-	-	-	-	-	1	Covered	T1,T6,T7
StableSt	-	-	-	-	-	-	0	Covered	T1,T6,T7
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-	Status	Tests
1	Covered	T1,T4,T2
0	Covered	T1,T4,T2

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

Branches:

-1-	Status	Tests
1	Covered	T1,T4,T2
0	Covered	T1,T4,T2

---

Assert Coverage for Instance : tb.dut.u_sysrst_ctrl_combo.gen_combo_trigger[0].u_sysrst_ctrl_detect

	Total	Attempted	Percent	Succeeded/Matched	Percent
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

Name	Attempts	Real Successes	Failures	Incomplete
CntClr_A	5947631	839	0	0
CntIncr_A	5947631	42464	0	0
CntNoWrap_A	5947631	5480401	0	0
DetectStDropOut_A	5947631	59	0	0
DetectedOut_A	5947631	15741	0	0
DetectedPulseOut_A	5947631	334	0	0
DisabledIdleSt_A	5947631	5145576	0	0
DisabledNoDetection_A	5947631	5146770	0	0
EnterDebounceSt_A	5947631	444	0	0
EnterDetectSt_A	5947631	396	0	0
EnterStableSt_A	5947631	334	0	0
PulseIsPulse_A	5947631	334	0	0
StayInStableSt	5947631	15370	0	0
gen_high_level_sva.HighLevelEvent_A	5947631	5483067	0	0
gen_not_sticky_sva.StableStDropOut_A	5947631	294	0	0

CntClr_A

Name	Attempts	Real Successes	Failures	Incomplete
Total	5947631	839	0	0
T1	483	2	0	0
T2	681	0	0	0
T4	420	0	0	0
T6	0	2	0	0
T7	0	2	0	0
T9	0	2	0	0
T12	527	0	0	0
T13	422	0	0	0
T14	452	1	0	0
T15	502	0	0	0
T16	716	0	0	0
T17	491	0	0	0
T18	1786	0	0	0
T24	0	8	0	0
T29	0	1	0	0
T30	0	1	0	0
T31	0	8	0	0
T55	0	1	0	0

CntIncr_A

Name	Attempts	Real Successes	Failures	Incomplete
Total	5947631	42464	0	0
T1	483	25	0	0
T2	681	0	0	0
T4	420	0	0	0
T6	0	25	0	0
T7	0	25	0	0
T9	0	25	0	0
T12	527	0	0	0
T13	422	0	0	0
T14	452	20	0	0
T15	502	0	0	0
T16	716	0	0	0
T17	491	0	0	0
T18	1786	0	0	0
T24	0	189	0	0
T29	0	20	0	0
T30	0	20	0	0
T31	0	327	0	0
T55	0	20	0	0

CntNoWrap_A

Name	Attempts	Real Successes	Failures	Incomplete
Total	5947631	5480401	0	0
T1	483	80	0	0
T2	681	280	0	0
T4	420	19	0	0
T12	527	126	0	0
T13	422	21	0	0
T14	452	50	0	0
T15	502	101	0	0
T16	716	315	0	0
T17	491	90	0	0
T18	1786	1385	0	0

DetectStDropOut_A

Name	Attempts	Real Successes	Failures	Incomplete
Total	5947631	59	0	0
T8	522	0	0	0
T9	492	0	0	0
T24	6838	1	0	0
T41	0	4	0	0
T52	0	1	0	0
T54	751	0	0	0
T55	471	0	0	0
T64	897	0	0	0
T65	540	0	0	0
T84	559	0	0	0
T90	1161	0	0	0
T91	434	0	0	0
T109	0	2	0	0
T111	0	10	0	0
T114	0	3	0	0
T115	0	5	0	0
T117	0	1	0	0
T121	0	3	0	0
T122	0	2	0	0

DetectedOut_A

Name	Attempts	Real Successes	Failures	Incomplete
Total	5947631	15741	0	0
T1	483	4	0	0
T2	681	0	0	0
T4	420	0	0	0
T6	0	3	0	0
T7	0	3	0	0
T9	0	3	0	0
T12	527	0	0	0
T13	422	0	0	0
T14	452	0	0	0
T15	502	0	0	0
T16	716	0	0	0
T17	491	0	0	0
T18	1786	0	0	0
T24	0	91	0	0
T31	0	75	0	0
T37	0	52	0	0
T53	0	63	0	0
T87	0	3	0	0
T130	0	5	0	0

DetectedPulseOut_A

Name	Attempts	Real Successes	Failures	Incomplete
Total	5947631	334	0	0
T1	483	1	0	0
T2	681	0	0	0
T4	420	0	0	0
T6	0	1	0	0
T7	0	1	0	0
T9	0	1	0	0
T12	527	0	0	0
T13	422	0	0	0
T14	452	0	0	0
T15	502	0	0	0
T16	716	0	0	0
T17	491	0	0	0
T18	1786	0	0	0
T24	0	1	0	0
T31	0	1	0	0
T37	0	1	0	0
T53	0	1	0	0
T87	0	1	0	0
T130	0	1	0	0

DisabledIdleSt_A

Name	Attempts	Real Successes	Failures	Incomplete
Total	5947631	5145576	0	0
T1	483	4	0	0
T2	681	280	0	0
T4	420	19	0	0
T12	527	126	0	0
T13	422	21	0	0
T14	452	26	0	0
T15	502	101	0	0
T16	716	315	0	0
T17	491	90	0	0
T18	1786	1385	0	0

DisabledNoDetection_A

Name	Attempts	Real Successes	Failures	Incomplete
Total	5947631	5146770	0	0
T1	483	4	0	0
T2	681	281	0	0
T4	420	20	0	0
T12	527	127	0	0
T13	422	22	0	0
T14	452	26	0	0
T15	502	102	0	0
T16	716	316	0	0
T17	491	91	0	0
T18	1786	1386	0	0

EnterDebounceSt_A

Name	Attempts	Real Successes	Failures	Incomplete
Total	5947631	444	0	0
T1	483	1	0	0
T2	681	0	0	0
T4	420	0	0	0
T6	0	1	0	0
T7	0	1	0	0
T9	0	1	0	0
T12	527	0	0	0
T13	422	0	0	0
T14	452	1	0	0
T15	502	0	0	0
T16	716	0	0	0
T17	491	0	0	0
T18	1786	0	0	0
T24	0	5	0	0
T29	0	1	0	0
T30	0	1	0	0
T31	0	5	0	0
T55	0	1	0	0

EnterDetectSt_A

Name	Attempts	Real Successes	Failures	Incomplete
Total	5947631	396	0	0
T1	483	1	0	0
T2	681	0	0	0
T4	420	0	0	0
T6	0	1	0	0
T7	0	1	0	0
T9	0	1	0	0
T12	527	0	0	0
T13	422	0	0	0
T14	452	0	0	0
T15	502	0	0	0
T16	716	0	0	0
T17	491	0	0	0
T18	1786	0	0	0
T24	0	3	0	0
T31	0	3	0	0
T37	0	1	0	0
T52	0	1	0	0
T87	0	1	0	0
T130	0	1	0	0

EnterStableSt_A

Name	Attempts	Real Successes	Failures	Incomplete
Total	5947631	334	0	0
T1	483	1	0	0
T2	681	0	0	0
T4	420	0	0	0
T6	0	1	0	0
T7	0	1	0	0
T9	0	1	0	0
T12	527	0	0	0
T13	422	0	0	0
T14	452	0	0	0
T15	502	0	0	0
T16	716	0	0	0
T17	491	0	0	0
T18	1786	0	0	0
T24	0	1	0	0
T31	0	1	0	0
T37	0	1	0	0
T53	0	1	0	0
T87	0	1	0	0
T130	0	1	0	0

PulseIsPulse_A

Name	Attempts	Real Successes	Failures	Incomplete
Total	5947631	334	0	0
T1	483	1	0	0
T2	681	0	0	0
T4	420	0	0	0
T6	0	1	0	0
T7	0	1	0	0
T9	0	1	0	0
T12	527	0	0	0
T13	422	0	0	0
T14	452	0	0	0
T15	502	0	0	0
T16	716	0	0	0
T17	491	0	0	0
T18	1786	0	0	0
T24	0	1	0	0
T31	0	1	0	0
T37	0	1	0	0
T53	0	1	0	0
T87	0	1	0	0
T130	0	1	0	0

StayInStableSt

Name	Attempts	Real Successes	Failures	Incomplete
Total	5947631	15370	0	0
T1	483	3	0	0
T2	681	0	0	0
T4	420	0	0	0
T6	0	2	0	0
T7	0	2	0	0
T9	0	2	0	0
T12	527	0	0	0
T13	422	0	0	0
T14	452	0	0	0
T15	502	0	0	0
T16	716	0	0	0
T17	491	0	0	0
T18	1786	0	0	0
T24	0	90	0	0
T31	0	74	0	0
T37	0	51	0	0
T53	0	62	0	0
T87	0	2	0	0
T130	0	4	0	0

gen_high_level_sva.HighLevelEvent_A

Name	Attempts	Real Successes	Failures	Incomplete
Total	5947631	5483067	0	0
T1	483	83	0	0
T2	681	281	0	0
T4	420	20	0	0
T12	527	127	0	0
T13	422	22	0	0
T14	452	52	0	0
T15	502	102	0	0
T16	716	316	0	0
T17	491	91	0	0
T18	1786	1386	0	0

gen_not_sticky_sva.StableStDropOut_A

Name	Attempts	Real Successes	Failures	Incomplete
Total	5947631	294	0	0
T1	483	1	0	0
T2	681	0	0	0
T4	420	0	0	0
T6	0	1	0	0
T7	0	1	0	0
T9	0	1	0	0
T12	527	0	0	0
T13	422	0	0	0
T14	452	0	0	0
T15	502	0	0	0
T16	716	0	0	0
T17	491	0	0	0
T18	1786	0	0	0
T24	0	1	0	0
T37	0	1	0	0
T38	0	1	0	0
T53	0	1	0	0
T87	0	1	0	0
T130	0	1	0	0

Line Coverage for Instance : tb.dut.u_sysrst_ctrl_combo.gen_combo_trigger[1].u_sysrst_ctrl_detect_pre

	Line No.	Total	Covered	Percent
TOTAL		43	43	100.00
CONT_ASSIGN	60	1	1	100.00
CONT_ASSIGN	79	1	1	100.00
CONT_ASSIGN	92	1	1	100.00
CONT_ASSIGN	99	1	1	100.00
CONT_ASSIGN	101	1	1	100.00
ALWAYS	104	3	3	100.00
ALWAYS	125	32	32	100.00
ALWAYS	219	3	3	100.00

59                        end else begin : gen_trigger_active_high
60         1/1              assign trigger_active = (trigger_i == 1'b1);
           Tests:       T24 T31 T32 
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                            if (!rst_ni) begin
70                              trigger_active_q <= 1'b0;
71                            end else begin
72                              trigger_active_q <= trigger_active;
73                            end
74                          end
75                      
76                          assign trigger_event = trigger_active & ~trigger_active_q;
77                        // In case of level events, the event is equal to the level being active.
78                        end else begin : gen_trigger_event_level
79         1/1              assign trigger_event = trigger_active;
           Tests:       T24 T31 T32 
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:       T24 T31 T32 
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 T2 T14 
100                                                      TimerWidth'(cfg_debounce_timer_i);
101        1/1            assign cnt_done = (cnt_q >= thresh);
           Tests:       T1 T2 T14 
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 T2 
105        1/1                cnt_q <= '0;
           Tests:       T1 T4 T2 
106                         end else begin
107        1/1                cnt_q <= cnt_d;
           Tests:       T1 T4 T2 
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:       T24 T31 T32 
126                     
127                         // Counter controls (clear has priority).
128        1/1              cnt_clr = 1'b0;
           Tests:       T24 T31 T32 
129        1/1              cnt_en = 1'b0;
           Tests:       T24 T31 T32 
130                     
131                         // Detected outputs
132        1/1              event_detected_o = 1'b0;
           Tests:       T24 T31 T32 
133        1/1              event_detected_pulse_o = 1'b0;
           Tests:       T24 T31 T32 
134                     
135                         // Threshold select
136                         // 0: debounce
137                         // 1: detect
138        1/1              thresh_sel = 1'b0;
           Tests:       T24 T31 T32 
139                     
140        1/1              unique case (state_q)
           Tests:       T24 T31 T32 
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:       T24 T31 T32 
148        1/1                    state_d = DebounceSt;
           Tests:       T24 T31 T32 
149        1/1                    cnt_en = 1'b1;
           Tests:       T24 T31 T32 
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:       T24 T31 T32 
161                             // Unconditionally go back to idle if the detector is disabled.
162        1/1                  if (!cfg_enable_i) begin
           Tests:       T24 T31 T32 
163        1/1                    state_d = IdleSt;
           Tests:       T24 T31 
164        1/1                    cnt_clr = 1'b1;
           Tests:       T24 T31 
165        1/1                  end else if (cnt_done) begin
           Tests:       T24 T31 T32 
166        1/1                    cnt_clr = 1'b1;
           Tests:       T24 T31 T32 
167        1/1                    if (trigger_active) begin
           Tests:       T24 T31 T32 
168        1/1                      state_d = DetectSt;
           Tests:       T24 T31 T32 
169                               end else begin
170        1/1                      state_d = IdleSt;
           Tests:       T24 T31 T104 
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:       T24 T31 T32 
182        1/1                  cnt_en = 1'b1;
           Tests:       T24 T31 T32 
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:       T24 T31 T32 
186        1/1                    state_d = IdleSt;
           Tests:       T24 T31 T32 
187        1/1                    cnt_clr = 1'b1;
           Tests:       T24 T31 T32 
188                             // If the trigger is active, count up.
189                             end else begin
190        1/1                    if (cnt_done) begin
           Tests:       T24 T31 T32 
191        1/1                      state_d = StableSt;
           Tests:       T24 T31 T37 
192        1/1                      cnt_clr = 1'b1;
           Tests:       T24 T31 T37 
193        1/1                      event_detected_o = 1'b1;
           Tests:       T24 T31 T37 
194        1/1                      event_detected_pulse_o = 1'b1;
           Tests:       T24 T31 T37 
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:       T24 T31 T37 
206        1/1                    state_d = IdleSt;
           Tests:       T24 T31 T37 
207                             // Otherwise keep the event detected output signal high.
208                             end else begin
209        1/1                    event_detected_o = 1'b1;
           Tests:       T24 T31 T37 
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 T2 
220        1/1                state_q <= IdleSt;
           Tests:       T1 T4 T2 
221                         end else begin
222        1/1                state_q <= state_d;
           Tests:       T1 T4 T2 

---

Cond Coverage for Instance : tb.dut.u_sysrst_ctrl_combo.gen_combo_trigger[1].u_sysrst_ctrl_detect_pre

	Total	Covered	Percent
Conditions	19	19	100.00
Logical	19	19	100.00
Non-Logical	0	0
Event	0	0

 LINE       60
 EXPRESSION (trigger_i == 1'b1)
            ---------1---------

-1-	Status	Tests
0	Covered	T24,T31,T32
1	Covered	T1,T4,T2

 LINE       92
 EXPRESSION (cnt_clr ? '0 : (cnt_en ? ((cnt_q + 1'b1)) : cnt_q))
             ---1---

-1-	Status	Tests
0	Covered	T1,T4,T2
1	Covered	T24,T31,T32

 LINE       92
 SUB-EXPRESSION (cnt_en ? ((cnt_q + 1'b1)) : cnt_q)
                 ---1--

-1-	Status	Tests
0	Covered	T1,T4,T2
1	Covered	T24,T31,T32

 LINE       99
 EXPRESSION (thresh_sel ? (32'(cfg_detect_timer_i)) : (32'(cfg_debounce_timer_i)))
             -----1----

-1-	Status	Tests
0	Covered	T1,T4,T2
1	Covered	T24,T31,T32

 LINE       147
 EXPRESSION (trigger_event && cfg_enable_i)
             ------1------    ------2-----

-1-	-2-	Status	Tests
0	1	Covered	T24,T31,T32
1	0	Covered	T24,T31,T32
1	1	Covered	T24,T31,T32

 LINE       185
 EXPRESSION (((!cfg_enable_i)) || ((!trigger_active)))
             --------1--------    ---------2---------

-1-	-2-	Status	Tests
0	0	Covered	T24,T31,T32
0	1	Covered	T24,T31,T32
1	0	Covered	T24,T31,T32

 LINE       205
 EXPRESSION (((!cfg_enable_i)) || (((!trigger_active)) && ((!Sticky))))
             --------1--------    ------------------2-----------------

-1-	-2-	Status	Tests
0	0	Covered	T24,T31,T37
0	1	Covered	T24,T31,T37
1	0	Covered	T106

 LINE       205
 SUB-EXPRESSION (((!trigger_active)) && ((!Sticky)))
                 ---------1---------    -----2-----

-1-	-2-	Status	Tests
0	-	Covered	T24,T31,T37
1	-	Covered	T24,T31,T37

---

FSM Coverage for Instance : tb.dut.u_sysrst_ctrl_combo.gen_combo_trigger[1].u_sysrst_ctrl_detect_pre

Summary for FSM :: state_q

	Total	Covered	Percent
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

---

states	Line No.	Covered	Tests
DebounceSt	148	Covered	T24,T31,T32
DetectSt	168	Covered	T24,T31,T32
IdleSt	163	Covered	T1,T4,T2
StableSt	191	Covered	T24,T31,T37

transitions	Line No.	Covered	Tests
DebounceSt->DetectSt	168	Covered	T24,T31,T32
DebounceSt->IdleSt	163	Covered	T24,T31,T104
DetectSt->IdleSt	186	Covered	T24,T31,T32
DetectSt->StableSt	191	Covered	T24,T31,T37
IdleSt->DebounceSt	148	Covered	T24,T31,T32
StableSt->IdleSt	206	Covered	T24,T31,T37

---

Branch Coverage for Instance : tb.dut.u_sysrst_ctrl_combo.gen_combo_trigger[1].u_sysrst_ctrl_detect_pre

	Line No.	Total	Covered	Percent
Branches		20	20	100.00
TERNARY	92	3	3	100.00
TERNARY	99	2	2	100.00
IF	104	2	2	100.00
CASE	140	11	11	100.00
IF	219	2	2	100.00

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

Branches:

-1-	-2-	Status	Tests
1	-	Covered	T24,T31,T32
0	1	Covered	T24,T31,T32
0	0	Covered	T1,T4,T2

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

Branches:

-1-	Status	Tests
1	Covered	T24,T31,T32
0	Covered	T1,T4,T2

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

Branches:

-1-	Status	Tests
1	Covered	T1,T4,T2
0	Covered	T1,T4,T2

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
                     ==>
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-	Status	Tests	Exclude Annotation
IdleSt	1	-	-	-	-	-	-	Covered	T24,T31,T32
IdleSt	0	-	-	-	-	-	-	Covered	T24,T31,T32
DebounceSt	-	1	-	-	-	-	-	Covered	T24,T31
DebounceSt	-	0	1	1	-	-	-	Covered	T24,T31,T32
DebounceSt	-	0	1	0	-	-	-	Covered	T24,T31,T104
DebounceSt	-	0	0	-	-	-	-	Covered	T24,T31,T32
DetectSt	-	-	-	-	1	-	-	Covered	T24,T31,T32
DetectSt	-	-	-	-	0	1	-	Covered	T24,T31,T37
DetectSt	-	-	-	-	0	0	-	Covered	T24,T31,T32
StableSt	-	-	-	-	-	-	1	Covered	T24,T31,T37
StableSt	-	-	-	-	-	-	0	Covered	T24,T31,T37
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-	Status	Tests
1	Covered	T1,T4,T2
0	Covered	T1,T4,T2

---

Assert Coverage for Instance : tb.dut.u_sysrst_ctrl_combo.gen_combo_trigger[1].u_sysrst_ctrl_detect_pre

	Total	Attempted	Percent	Succeeded/Matched	Percent
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

Name	Attempts	Real Successes	Failures	Incomplete
CntClr_A	5947631	2943	0	0
CntIncr_A	5947631	94011	0	0
CntNoWrap_A	5947631	5478297	0	0
DetectStDropOut_A	5947631	424	0	0
DetectedOut_A	5947631	78541	0	0
DetectedPulseOut_A	5947631	891	0	0
DisabledIdleSt_A	5947631	5062807	0	0
DisabledNoDetection_A	5947631	5064428	0	0
EnterDebounceSt_A	5947631	1490	0	0
EnterDetectSt_A	5947631	1454	0	0
EnterStableSt_A	5947631	891	0	0
PulseIsPulse_A	5947631	891	0	0
StayInStableSt	5947631	77532	0	0
gen_high_event_sva.HighLevelEvent_A	5947631	5483067	0	0
gen_high_level_sva.HighLevelEvent_A	5947631	5483067	0	0
gen_not_sticky_sva.StableStDropOut_A	5947631	768	0	0

CntClr_A

Name	Attempts	Real Successes	Failures	Incomplete
Total	5947631	2943	0	0
T8	522	0	0	0
T9	492	0	0	0
T24	6838	16	0	0
T31	0	16	0	0
T32	0	28	0	0
T37	0	34	0	0
T38	0	30	0	0
T39	0	52	0	0
T42	0	10	0	0
T54	751	0	0	0
T55	471	0	0	0
T58	0	24	0	0
T64	897	0	0	0
T65	540	0	0	0
T84	559	0	0	0
T88	0	50	0	0
T89	0	24	0	0
T90	1161	0	0	0
T91	434	0	0	0

CntIncr_A

Name	Attempts	Real Successes	Failures	Incomplete
Total	5947631	94011	0	0
T8	522	0	0	0
T9	492	0	0	0
T24	6838	439	0	0
T31	0	542	0	0
T32	0	947	0	0
T37	0	748	0	0
T38	0	675	0	0
T39	0	1040	0	0
T42	0	238	0	0
T54	751	0	0	0
T55	471	0	0	0
T58	0	1060	0	0
T64	897	0	0	0
T65	540	0	0	0
T84	559	0	0	0
T88	0	1400	0	0
T89	0	868	0	0
T90	1161	0	0	0
T91	434	0	0	0

CntNoWrap_A

Name	Attempts	Real Successes	Failures	Incomplete
Total	5947631	5478297	0	0
T1	483	82	0	0
T2	681	280	0	0
T4	420	19	0	0
T12	527	126	0	0
T13	422	21	0	0
T14	452	51	0	0
T15	502	101	0	0
T16	716	315	0	0
T17	491	90	0	0
T18	1786	1385	0	0

DetectStDropOut_A

Name	Attempts	Real Successes	Failures	Incomplete
Total	5947631	424	0	0
T8	522	0	0	0
T9	492	0	0	0
T24	6838	1	0	0
T31	0	1	0	0
T32	0	11	0	0
T54	751	0	0	0
T55	471	0	0	0
T58	0	9	0	0
T64	897	0	0	0
T65	540	0	0	0
T84	559	0	0	0
T89	0	6	0	0
T90	1161	0	0	0
T91	434	0	0	0
T104	0	1	0	0
T110	0	11	0	0
T113	0	10	0	0
T279	0	1	0	0
T281	0	1	0	0

DetectedOut_A

Name	Attempts	Real Successes	Failures	Incomplete
Total	5947631	78541	0	0
T8	522	0	0	0
T9	492	0	0	0
T24	6838	373	0	0
T31	0	475	0	0
T37	0	1240	0	0
T38	0	895	0	0
T39	0	2387	0	0
T40	0	1751	0	0
T54	751	0	0	0
T55	471	0	0	0
T64	897	0	0	0
T65	540	0	0	0
T84	559	0	0	0
T88	0	2112	0	0
T90	1161	0	0	0
T91	434	0	0	0
T282	0	1778	0	0
T283	0	1087	0	0
T284	0	1011	0	0

DetectedPulseOut_A

Name	Attempts	Real Successes	Failures	Incomplete
Total	5947631	891	0	0
T8	522	0	0	0
T9	492	0	0	0
T24	6838	5	0	0
T31	0	5	0	0
T37	0	17	0	0
T38	0	15	0	0
T39	0	26	0	0
T40	0	24	0	0
T54	751	0	0	0
T55	471	0	0	0
T64	897	0	0	0
T65	540	0	0	0
T84	559	0	0	0
T88	0	25	0	0
T90	1161	0	0	0
T91	434	0	0	0
T282	0	20	0	0
T283	0	9	0	0
T284	0	18	0	0

DisabledIdleSt_A

Name	Attempts	Real Successes	Failures	Incomplete
Total	5947631	5062807	0	0
T1	483	82	0	0
T2	681	280	0	0
T4	420	19	0	0
T12	527	126	0	0
T13	422	21	0	0
T14	452	51	0	0
T15	502	101	0	0
T16	716	315	0	0
T17	491	90	0	0
T18	1786	1385	0	0

DisabledNoDetection_A

Name	Attempts	Real Successes	Failures	Incomplete
Total	5947631	5064428	0	0
T1	483	83	0	0
T2	681	281	0	0
T4	420	20	0	0
T12	527	127	0	0
T13	422	22	0	0
T14	452	52	0	0
T15	502	102	0	0
T16	716	316	0	0
T17	491	91	0	0
T18	1786	1386	0	0

EnterDebounceSt_A

Name	Attempts	Real Successes	Failures	Incomplete
Total	5947631	1490	0	0
T8	522	0	0	0
T9	492	0	0	0
T24	6838	9	0	0
T31	0	9	0	0
T32	0	14	0	0
T37	0	17	0	0
T38	0	15	0	0
T39	0	26	0	0
T42	0	5	0	0
T54	751	0	0	0
T55	471	0	0	0
T58	0	12	0	0
T64	897	0	0	0
T65	540	0	0	0
T84	559	0	0	0
T88	0	25	0	0
T89	0	12	0	0
T90	1161	0	0	0
T91	434	0	0	0

EnterDetectSt_A

Name	Attempts	Real Successes	Failures	Incomplete
Total	5947631	1454	0	0
T8	522	0	0	0
T9	492	0	0	0
T24	6838	7	0	0
T31	0	7	0	0
T32	0	14	0	0
T37	0	17	0	0
T38	0	15	0	0
T39	0	26	0	0
T42	0	5	0	0
T54	751	0	0	0
T55	471	0	0	0
T58	0	12	0	0
T64	897	0	0	0
T65	540	0	0	0
T84	559	0	0	0
T88	0	25	0	0
T89	0	12	0	0
T90	1161	0	0	0
T91	434	0	0	0

EnterStableSt_A

Name	Attempts	Real Successes	Failures	Incomplete
Total	5947631	891	0	0
T8	522	0	0	0
T9	492	0	0	0
T24	6838	5	0	0
T31	0	5	0	0
T37	0	17	0	0
T38	0	15	0	0
T39	0	26	0	0
T40	0	24	0	0
T54	751	0	0	0
T55	471	0	0	0
T64	897	0	0	0
T65	540	0	0	0
T84	559	0	0	0
T88	0	25	0	0
T90	1161	0	0	0
T91	434	0	0	0
T282	0	20	0	0
T283	0	9	0	0
T284	0	18	0	0

PulseIsPulse_A

Name	Attempts	Real Successes	Failures	Incomplete
Total	5947631	891	0	0
T8	522	0	0	0
T9	492	0	0	0
T24	6838	5	0	0
T31	0	5	0	0
T37	0	17	0	0
T38	0	15	0	0
T39	0	26	0	0
T40	0	24	0	0
T54	751	0	0	0
T55	471	0	0	0
T64	897	0	0	0
T65	540	0	0	0
T84	559	0	0	0
T88	0	25	0	0
T90	1161	0	0	0
T91	434	0	0	0
T282	0	20	0	0
T283	0	9	0	0
T284	0	18	0	0

StayInStableSt

Name	Attempts	Real Successes	Failures	Incomplete
Total	5947631	77532	0	0
T8	522	0	0	0
T9	492	0	0	0
T24	6838	368	0	0
T31	0	470	0	0
T37	0	1220	0	0
T38	0	877	0	0
T39	0	2356	0	0
T40	0	1724	0	0
T54	751	0	0	0
T55	471	0	0	0
T64	897	0	0	0
T65	540	0	0	0
T84	559	0	0	0
T88	0	2087	0	0
T90	1161	0	0	0
T91	434	0	0	0
T282	0	1757	0	0
T283	0	1073	0	0
T284	0	991	0	0

gen_high_event_sva.HighLevelEvent_A

Name	Attempts	Real Successes	Failures	Incomplete
Total	5947631	5483067	0	0
T1	483	83	0	0
T2	681	281	0	0
T4	420	20	0	0
T12	527	127	0	0
T13	422	22	0	0
T14	452	52	0	0
T15	502	102	0	0
T16	716	316	0	0
T17	491	91	0	0
T18	1786	1386	0	0

gen_high_level_sva.HighLevelEvent_A

Name	Attempts	Real Successes	Failures	Incomplete
Total	5947631	5483067	0	0
T1	483	83	0	0
T2	681	281	0	0
T4	420	20	0	0
T12	527	127	0	0
T13	422	22	0	0
T14	452	52	0	0
T15	502	102	0	0
T16	716	316	0	0
T17	491	91	0	0
T18	1786	1386	0	0

gen_not_sticky_sva.StableStDropOut_A

Name	Attempts	Real Successes	Failures	Incomplete
Total	5947631	768	0	0
T8	522	0	0	0
T9	492	0	0	0
T24	6838	5	0	0
T31	0	5	0	0
T37	0	14	0	0
T38	0	12	0	0
T39	0	21	0	0
T40	0	21	0	0
T54	751	0	0	0
T55	471	0	0	0
T64	897	0	0	0
T65	540	0	0	0
T84	559	0	0	0
T88	0	25	0	0
T90	1161	0	0	0
T91	434	0	0	0
T282	0	19	0	0
T283	0	4	0	0
T284	0	16	0	0

Line Coverage for Instance : tb.dut.u_sysrst_ctrl_combo.gen_combo_trigger[1].u_sysrst_ctrl_detect

	Line No.	Total	Covered	Percent
TOTAL		46	46	100.00
CONT_ASSIGN	60	1	1	100.00
ALWAYS	69	3	3	100.00
CONT_ASSIGN	76	1	1	100.00
CONT_ASSIGN	92	1	1	100.00
CONT_ASSIGN	99	1	1	100.00
CONT_ASSIGN	101	1	1	100.00
ALWAYS	104	3	3	100.00
ALWAYS	125	32	32	100.00
ALWAYS	219	3	3	100.00

59                        end else begin : gen_trigger_active_high
60         1/1              assign trigger_active = (trigger_i == 1'b1);
           Tests:       T24 T31 T32 
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 T2 
70         1/1                  trigger_active_q <= 1'b0;
           Tests:       T1 T4 T2 
71                            end else begin
72         1/1                  trigger_active_q <= trigger_active;
           Tests:       T1 T4 T2 
73                            end
74                          end
75                      
76         1/1              assign trigger_event = trigger_active & ~trigger_active_q;
           Tests:       T1 T4 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:       T24 T31 T52 
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 T2 T14 
100                                                      TimerWidth'(cfg_debounce_timer_i);
101        1/1            assign cnt_done = (cnt_q >= thresh);
           Tests:       T1 T2 T14 
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 T2 
105        1/1                cnt_q <= '0;
           Tests:       T1 T4 T2 
106                         end else begin
107        1/1                cnt_q <= cnt_d;
           Tests:       T1 T4 T2 
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 T2 
126                     
127                         // Counter controls (clear has priority).
128        1/1              cnt_clr = 1'b0;
           Tests:       T1 T4 T2 
129        1/1              cnt_en = 1'b0;
           Tests:       T1 T4 T2 
130                     
131                         // Detected outputs
132        1/1              event_detected_o = 1'b0;
           Tests:       T1 T4 T2 
133        1/1              event_detected_pulse_o = 1'b0;
           Tests:       T1 T4 T2 
134                     
135                         // Threshold select
136                         // 0: debounce
137                         // 1: detect
138        1/1              thresh_sel = 1'b0;
           Tests:       T1 T4 T2 
139                     
140        1/1              unique case (state_q)
           Tests:       T1 T4 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:       T1 T4 T2 
148        1/1                    state_d = DebounceSt;
           Tests:       T24 T31 T52 
149        1/1                    cnt_en = 1'b1;
           Tests:       T24 T31 T52 
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:       T24 T31 T52 
161                             // Unconditionally go back to idle if the detector is disabled.
162        1/1                  if (!cfg_enable_i) begin
           Tests:       T24 T31 T52 
163        1/1                    state_d = IdleSt;
           Tests:       T24 T31 
164        1/1                    cnt_clr = 1'b1;
           Tests:       T24 T31 
165        1/1                  end else if (cnt_done) begin
           Tests:       T24 T31 T52 
166        1/1                    cnt_clr = 1'b1;
           Tests:       T24 T31 T52 
167        1/1                    if (trigger_active) begin
           Tests:       T24 T31 T52 
168        1/1                      state_d = DetectSt;
           Tests:       T24 T31 T52 
169                               end else begin
170        1/1                      state_d = IdleSt;
           Tests:       T52 T41 T285 
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:       T24 T31 T52 
182        1/1                  cnt_en = 1'b1;
           Tests:       T24 T31 T52 
183                             // Go back to idle if either the trigger level is not active anymore, or if the
184                             // detector is disabled.
185        1/1                  if (!cfg_enable_i || !trigger_active) begin
           Tests:       T24 T31 T52 
186        1/1                    state_d = IdleSt;
           Tests:       T24 T31 T52 
187        1/1                    cnt_clr = 1'b1;
           Tests:       T24 T31 T52 
188                             // If the trigger is active, count up.
189                             end else begin
190        1/1                    if (cnt_done) begin
           Tests:       T24 T31 T52 
191        1/1                      state_d = StableSt;
           Tests:       T24 T31 T37 
192        1/1                      cnt_clr = 1'b1;
           Tests:       T24 T31 T37 
193        1/1                      event_detected_o = 1'b1;
           Tests:       T24 T31 T37 
194        1/1                      event_detected_pulse_o = 1'b1;
           Tests:       T24 T31 T37 
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:       T24 T31 T37 
206        1/1                    state_d = IdleSt;
           Tests:       T24 T31 T37 
207                             // Otherwise keep the event detected output signal high.
208                             end else begin
209        1/1                    event_detected_o = 1'b1;
           Tests:       T24 T31 T37 
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 T2 
220        1/1                state_q <= IdleSt;
           Tests:       T1 T4 T2 
221                         end else begin
222        1/1                state_q <= state_d;
           Tests:       T1 T4 T2 

---

Cond Coverage for Instance : tb.dut.u_sysrst_ctrl_combo.gen_combo_trigger[1].u_sysrst_ctrl_detect

	Total	Covered	Percent
Conditions	22	22	100.00
Logical	22	22	100.00
Non-Logical	0	0
Event	0	0

 LINE       60
 EXPRESSION (trigger_i == 1'b1)
            ---------1---------

-1-	Status	Tests
0	Covered	T24,T31,T32
1	Covered	T1,T4,T2

 LINE       76
 EXPRESSION (trigger_active & ((~gen_trigger_event_edge.trigger_active_q)))
             -------1------   ----------------------2---------------------

-1-	-2-	Status	Tests
0	1	Covered	T24,T31,T32
1	0	Covered	T1,T4,T2
1	1	Covered	T1,T4,T2

 LINE       92
 EXPRESSION (cnt_clr ? '0 : (cnt_en ? ((cnt_q + 1'b1)) : cnt_q))
             ---1---

-1-	Status	Tests
0	Covered	T1,T4,T2
1	Covered	T24,T31,T52

 LINE       92
 SUB-EXPRESSION (cnt_en ? ((cnt_q + 1'b1)) : cnt_q)
                 ---1--

-1-	Status	Tests
0	Covered	T1,T4,T2
1	Covered	T24,T31,T52

 LINE       99
 EXPRESSION (thresh_sel ? (32'(cfg_detect_timer_i)) : (32'(cfg_debounce_timer_i)))
             -----1----

-1-	Status	Tests
0	Covered	T1,T4,T2
1	Covered	T24,T31,T52

 LINE       147
 EXPRESSION (trigger_event && cfg_enable_i)
             ------1------    ------2-----

-1-	-2-	Status	Tests
0	1	Covered	T24,T31,T52
1	0	Covered	T81,T24,T64
1	1	Covered	T24,T31,T52

 LINE       185
 EXPRESSION (((!cfg_enable_i)) || ((!trigger_active)))
             --------1--------    ---------2---------

-1-	-2-	Status	Tests
0	0	Covered	T24,T31,T52
0	1	Covered	T52,T111,T112
1	0	Covered	T24,T31

 LINE       205
 EXPRESSION (((!cfg_enable_i)) || (((!trigger_active)) && ((!Sticky))))
             --------1--------    ------------------2-----------------

-1-	-2-	Status	Tests
0	0	Covered	T24,T31,T37
0	1	Covered	T37,T38,T41
1	0	Covered	T24,T31

 LINE       205
 SUB-EXPRESSION (((!trigger_active)) && ((!Sticky)))
                 ---------1---------    -----2-----

-1-	-2-	Status	Tests
0	-	Covered	T24,T31,T37
1	-	Covered	T37,T38,T41

---

FSM Coverage for Instance : tb.dut.u_sysrst_ctrl_combo.gen_combo_trigger[1].u_sysrst_ctrl_detect

Summary for FSM :: state_q

	Total	Covered	Percent
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

---

states	Line No.	Covered	Tests
DebounceSt	148	Covered	T24,T31,T52
DetectSt	168	Covered	T24,T31,T52
IdleSt	163	Covered	T1,T4,T2
StableSt	191	Covered	T24,T31,T37

transitions	Line No.	Covered	Tests
DebounceSt->DetectSt	168	Covered	T24,T31,T52
DebounceSt->IdleSt	163	Covered	T24,T31,T52
DetectSt->IdleSt	186	Covered	T24,T31,T52
DetectSt->StableSt	191	Covered	T24,T31,T37
IdleSt->DebounceSt	148	Covered	T24,T31,T52
StableSt->IdleSt	206	Covered	T24,T31,T37

---

Branch Coverage for Instance : tb.dut.u_sysrst_ctrl_combo.gen_combo_trigger[1].u_sysrst_ctrl_detect

	Line No.	Total	Covered	Percent
Branches		22	22	100.00
TERNARY	92	3	3	100.00
TERNARY	99	2	2	100.00
IF	104	2	2	100.00
CASE	140	11	11	100.00
IF	219	2	2	100.00
IF	69	2	2	100.00

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

Branches:

-1-	-2-	Status	Tests
1	-	Covered	T24,T31,T52
0	1	Covered	T24,T31,T52
0	0	Covered	T1,T4,T2

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

Branches:

-1-	Status	Tests
1	Covered	T24,T31,T52
0	Covered	T1,T4,T2

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

Branches:

-1-	Status	Tests
1	Covered	T1,T4,T2
0	Covered	T1,T4,T2

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
                     ==>
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-	Status	Tests	Exclude Annotation
IdleSt	1	-	-	-	-	-	-	Covered	T24,T31,T52
IdleSt	0	-	-	-	-	-	-	Covered	T1,T4,T2
DebounceSt	-	1	-	-	-	-	-	Covered	T24,T31
DebounceSt	-	0	1	1	-	-	-	Covered	T24,T31,T52
DebounceSt	-	0	1	0	-	-	-	Covered	T52,T41,T285
DebounceSt	-	0	0	-	-	-	-	Covered	T24,T31,T52
DetectSt	-	-	-	-	1	-	-	Covered	T24,T31,T52
DetectSt	-	-	-	-	0	1	-	Covered	T24,T31,T37
DetectSt	-	-	-	-	0	0	-	Covered	T24,T31,T52
StableSt	-	-	-	-	-	-	1	Covered	T24,T31,T37
StableSt	-	-	-	-	-	-	0	Covered	T24,T31,T37
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-	Status	Tests
1	Covered	T1,T4,T2
0	Covered	T1,T4,T2

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

Branches:

-1-	Status	Tests
1	Covered	T1,T4,T2
0	Covered	T1,T4,T2

---

Assert Coverage for Instance : tb.dut.u_sysrst_ctrl_combo.gen_combo_trigger[1].u_sysrst_ctrl_detect

	Total	Attempted	Percent	Succeeded/Matched	Percent
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

Name	Attempts	Real Successes	Failures	Incomplete
CntClr_A	5947631	764	0	0
CntIncr_A	5947631	41850	0	0
CntNoWrap_A	5947631	5480476	0	0
DetectStDropOut_A	5947631	45	0	0
DetectedOut_A	5947631	15534	0	0
DetectedPulseOut_A	5947631	316	0	0
DisabledIdleSt_A	5947631	5136565	0	0
DisabledNoDetection_A	5947631	5137788	0	0
EnterDebounceSt_A	5947631	399	0	0
EnterDetectSt_A	5947631	366	0	0
EnterStableSt_A	5947631	316	0	0
PulseIsPulse_A	5947631	316	0	0
StayInStableSt	5947631	15189	0	0
gen_high_level_sva.HighLevelEvent_A	5947631	5483067	0	0
gen_not_sticky_sva.StableStDropOut_A	5947631	283	0	0

CntClr_A

Name	Attempts	Real Successes	Failures	Incomplete
Total	5947631	764	0	0
T8	522	0	0	0
T9	492	0	0	0
T24	6838	8	0	0
T31	0	8	0	0
T37	0	2	0	0
T38	0	6	0	0
T39	0	6	0	0
T40	0	6	0	0
T41	0	9	0	0
T52	0	7	0	0
T54	751	0	0	0
T55	471	0	0	0
T64	897	0	0	0
T65	540	0	0	0
T84	559	0	0	0
T88	0	8	0	0
T90	1161	0	0	0
T91	434	0	0	0
T109	0	14	0	0

CntIncr_A

Name	Attempts	Real Successes	Failures	Incomplete
Total	5947631	41850	0	0
T8	522	0	0	0
T9	492	0	0	0
T24	6838	210	0	0
T31	0	335	0	0
T37	0	72	0	0
T38	0	186	0	0
T39	0	138	0	0
T40	0	150	0	0
T41	0	524	0	0
T52	0	237	0	0
T54	751	0	0	0
T55	471	0	0	0
T64	897	0	0	0
T65	540	0	0	0
T84	559	0	0	0
T88	0	320	0	0
T90	1161	0	0	0
T91	434	0	0	0
T109	0	686	0	0

CntNoWrap_A

Name	Attempts	Real Successes	Failures	Incomplete
Total	5947631	5480476	0	0
T1	483	82	0	0
T2	681	280	0	0
T4	420	19	0	0
T12	527	126	0	0
T13	422	21	0	0
T14	452	51	0	0
T15	502	101	0	0
T16	716	315	0	0
T17	491	90	0	0
T18	1786	1385	0	0

DetectStDropOut_A

Name	Attempts	Real Successes	Failures	Incomplete
Total	5947631	45	0	0
T46	872	0	0	0
T52	14250	3	0	0
T72	1134	0	0	0
T77	2010	0	0	0
T78	489	0	0	0
T79	505	0	0	0
T111	0	4	0	0
T112	0	8	0	0
T130	1771	0	0	0
T232	452	0	0	0
T233	1323	0	0	0
T234	4404	0	0	0
T249	0	9	0	0
T286	0	3	0	0
T287	0	2	0	0
T288	0	2	0	0
T289	0	1	0	0
T290	0	3	0	0
T291	0	7	0	0

DetectedOut_A

Name	Attempts	Real Successes	Failures	Incomplete
Total	5947631	15534	0	0
T8	522	0	0	0
T9	492	0	0	0
T24	6838	92	0	0
T31	0	75	0	0
T37	0	56	0	0
T38	0	110	0	0
T39	0	211	0	0
T40	0	153	0	0
T41	0	45	0	0
T54	751	0	0	0
T55	471	0	0	0
T64	897	0	0	0
T65	540	0	0	0
T84	559	0	0	0
T88	0	256	0	0
T90	1161	0	0	0
T91	434	0	0	0
T109	0	33	0	0
T285	0	722	0	0

DetectedPulseOut_A

Name	Attempts	Real Successes	Failures	Incomplete
Total	5947631	316	0	0
T8	522	0	0	0
T9	492	0	0	0
T24	6838	1	0	0
T31	0	1	0	0
T37	0	1	0	0
T38	0	3	0	0
T39	0	3	0	0
T40	0	3	0	0
T41	0	4	0	0
T54	751	0	0	0
T55	471	0	0	0
T64	897	0	0	0
T65	540	0	0	0
T84	559	0	0	0
T88	0	4	0	0
T90	1161	0	0	0
T91	434	0	0	0
T109	0	7	0	0
T285	0	10	0	0

DisabledIdleSt_A

Name	Attempts	Real Successes	Failures	Incomplete
Total	5947631	5136565	0	0
T1	483	82	0	0
T2	681	280	0	0
T4	420	19	0	0
T12	527	126	0	0
T13	422	21	0	0
T14	452	51	0	0
T15	502	101	0	0
T16	716	315	0	0
T17	491	90	0	0
T18	1786	1385	0	0

DisabledNoDetection_A

Name	Attempts	Real Successes	Failures	Incomplete
Total	5947631	5137788	0	0
T1	483	83	0	0
T2	681	281	0	0
T4	420	20	0	0
T12	527	127	0	0
T13	422	22	0	0
T14	452	52	0	0
T15	502	102	0	0
T16	716	316	0	0
T17	491	91	0	0
T18	1786	1386	0	0

EnterDebounceSt_A

Name	Attempts	Real Successes	Failures	Incomplete
Total	5947631	399	0	0
T8	522	0	0	0
T9	492	0	0	0
T24	6838	5	0	0
T31	0	5	0	0
T37	0	1	0	0
T38	0	3	0	0
T39	0	3	0	0
T40	0	3	0	0
T41	0	5	0	0
T52	0	4	0	0
T54	751	0	0	0
T55	471	0	0	0
T64	897	0	0	0
T65	540	0	0	0
T84	559	0	0	0
T88	0	4	0	0
T90	1161	0	0	0
T91	434	0	0	0
T109	0	7	0	0

EnterDetectSt_A

Name	Attempts	Real Successes	Failures	Incomplete
Total	5947631	366	0	0
T8	522	0	0	0
T9	492	0	0	0
T24	6838	3	0	0
T31	0	3	0	0
T37	0	1	0	0
T38	0	3	0	0
T39	0	3	0	0
T40	0	3	0	0
T41	0	4	0	0
T52	0	3	0	0
T54	751	0	0	0
T55	471	0	0	0
T64	897	0	0	0
T65	540	0	0	0
T84	559	0	0	0
T88	0	4	0	0
T90	1161	0	0	0
T91	434	0	0	0
T109	0	7	0	0

EnterStableSt_A

Name	Attempts	Real Successes	Failures	Incomplete
Total	5947631	316	0	0
T8	522	0	0	0
T9	492	0	0	0
T24	6838	1	0	0
T31	0	1	0	0
T37	0	1	0	0
T38	0	3	0	0
T39	0	3	0	0
T40	0	3	0	0
T41	0	4	0	0
T54	751	0	0	0
T55	471	0	0	0
T64	897	0	0	0
T65	540	0	0	0
T84	559	0	0	0
T88	0	4	0	0
T90	1161	0	0	0
T91	434	0	0	0
T109	0	7	0	0
T285	0	10	0	0

PulseIsPulse_A

Name	Attempts	Real Successes	Failures	Incomplete
Total	5947631	316	0	0
T8	522	0	0	0
T9	492	0	0	0
T24	6838	1	0	0
T31	0	1	0	0
T37	0	1	0	0
T38	0	3	0	0
T39	0	3	0	0
T40	0	3	0	0
T41	0	4	0	0
T54	751	0	0	0
T55	471	0	0	0
T64	897	0	0	0
T65	540	0	0	0
T84	559	0	0	0
T88	0	4	0	0
T90	1161	0	0	0
T91	434	0	0	0
T109	0	7	0	0
T285	0	10	0	0

StayInStableSt

Name	Attempts	Real Successes	Failures	Incomplete
Total	5947631	15189	0	0
T8	522	0	0	0
T9	492	0	0	0
T24	6838	91	0	0
T31	0	74	0	0
T37	0	55	0	0
T38	0	107	0	0
T39	0	208	0	0
T40	0	147	0	0
T41	0	41	0	0
T54	751	0	0	0
T55	471	0	0	0
T64	897	0	0	0
T65	540	0	0	0
T84	559	0	0	0
T88	0	252	0	0
T90	1161	0	0	0
T91	434	0	0	0
T109	0	26	0	0
T285	0	712	0	0

gen_high_level_sva.HighLevelEvent_A

Name	Attempts	Real Successes	Failures	Incomplete
Total	5947631	5483067	0	0
T1	483	83	0	0
T2	681	281	0	0
T4	420	20	0	0
T12	527	127	0	0
T13	422	22	0	0
T14	452	52	0	0
T15	502	102	0	0
T16	716	316	0	0
T17	491	91	0	0
T18	1786	1386	0	0

gen_not_sticky_sva.StableStDropOut_A

Name	Attempts	Real Successes	Failures	Incomplete
Total	5947631	283	0	0
T37	14575	1	0	0
T38	0	3	0	0
T39	0	3	0	0
T41	0	4	0	0
T68	3021	0	0	0
T88	0	4	0	0
T109	0	7	0	0
T131	763	0	0	0
T282	0	1	0	0
T285	0	10	0	0
T292	0	1	0	0
T293	0	3	0	0
T294	495	0	0	0
T295	504	0	0	0
T296	64786	0	0	0
T297	524	0	0	0
T298	8403	0	0	0
T299	422	0	0	0
T300	495	0	0	0

Line Coverage for Instance : tb.dut.u_sysrst_ctrl_combo.gen_combo_trigger[2].u_sysrst_ctrl_detect_pre

	Line No.	Total	Covered	Percent
TOTAL		43	43	100.00
CONT_ASSIGN	60	1	1	100.00
CONT_ASSIGN	79	1	1	100.00
CONT_ASSIGN	92	1	1	100.00
CONT_ASSIGN	99	1	1	100.00
CONT_ASSIGN	101	1	1	100.00
ALWAYS	104	3	3	100.00
ALWAYS	125	32	32	100.00
ALWAYS	219	3	3	100.00

59                        end else begin : gen_trigger_active_high
60         1/1              assign trigger_active = (trigger_i == 1'b1);
           Tests:       T24 T31 T32 
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                            if (!rst_ni) begin
70                              trigger_active_q <= 1'b0;
71                            end else begin
72                              trigger_active_q <= trigger_active;
73                            end
74                          end
75                      
76                          assign trigger_event = trigger_active & ~trigger_active_q;
77                        // In case of level events, the event is equal to the level being active.
78                        end else begin : gen_trigger_event_level
79         1/1              assign trigger_event = trigger_active;
           Tests:       T24 T31 T32 
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:       T24 T31 T32 
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 T2 T14 
100                                                      TimerWidth'(cfg_debounce_timer_i);
101        1/1            assign cnt_done = (cnt_q >= thresh);
           Tests:       T1 T2 T14 
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 T2 
105        1/1                cnt_q <= '0;
           Tests:       T1 T4 T2 
106                         end else begin
107        1/1                cnt_q <= cnt_d;
           Tests:       T1 T4 T2 
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:       T24 T31 T32 
126                     
127                         // Counter controls (clear has priority).
128        1/1              cnt_clr = 1'b0;
           Tests:       T24 T31 T32 
129        1/1              cnt_en = 1'b0;
           Tests:       T24 T31 T32 
130                     
131                         // Detected outputs
132        1/1              event_detected_o = 1'b0;
           Tests:       T24 T31 T32 
133        1/1              event_detected_pulse_o = 1'b0;
           Tests:       T24 T31 T32 
134                     
135                         // Threshold select
136                         // 0: debounce
137                         // 1: detect
138        1/1              thresh_sel = 1'b0;
           Tests:       T24 T31 T32 
139                     
140        1/1              unique case (state_q)
           Tests:       T24 T31 T32 
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:       T24 T31 T32 
148        1/1                    state_d = DebounceSt;
           Tests:       T24 T31 T32 
149        1/1                    cnt_en = 1'b1;
           Tests:       T24 T31 T32 
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:       T24 T31 T32 
161                             // Unconditionally go back to idle if the detector is disabled.
162        1/1                  if (!cfg_enable_i) begin
           Tests:       T24 T31 T32 
163        1/1                    state_d = IdleSt;
           Tests:       T24 T31 
164        1/1                    cnt_clr = 1'b1;
           Tests:       T24 T31 
165        1/1                  end else if (cnt_done) begin
           Tests:       T24 T31 T32 
166        1/1                    cnt_clr = 1'b1;
           Tests:       T24 T31 T32 
167        1/1                    if (trigger_active) begin
           Tests:       T24 T31 T32 
168        1/1                      state_d = DetectSt;
           Tests:       T24 T31 T32 
169                               end else begin
170        1/1                      state_d = IdleSt;
           Tests:       T24 T31 T104 
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:       T24 T31 T32 
182        1/1                  cnt_en = 1'b1;
           Tests:       T24 T31 T32 
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:       T24 T31 T32 
186        1/1                    state_d = IdleSt;
           Tests:       T24 T31 T88 
187        1/1                    cnt_clr = 1'b1;
           Tests:       T24 T31 T88 
188                             // If the trigger is active, count up.
189                             end else begin
190        1/1                    if (cnt_done) begin
           Tests:       T24 T31 T32 
191        1/1                      state_d = StableSt;
           Tests:       T24 T31 T32 
192        1/1                      cnt_clr = 1'b1;
           Tests:       T24 T31 T32 
193        1/1                      event_detected_o = 1'b1;
           Tests:       T24 T31 T32 
194        1/1                      event_detected_pulse_o = 1'b1;
           Tests:       T24 T31 T32 
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:       T24 T31 T32 
206        1/1                    state_d = IdleSt;
           Tests:       T24 T31 T32 
207                             // Otherwise keep the event detected output signal high.
208                             end else begin
209        1/1                    event_detected_o = 1'b1;
           Tests:       T24 T31 T32 
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 T2 
220        1/1                state_q <= IdleSt;
           Tests:       T1 T4 T2 
221                         end else begin
222        1/1                state_q <= state_d;
           Tests:       T1 T4 T2 

---

Cond Coverage for Instance : tb.dut.u_sysrst_ctrl_combo.gen_combo_trigger[2].u_sysrst_ctrl_detect_pre

	Total	Covered	Percent
Conditions	19	19	100.00
Logical	19	19	100.00
Non-Logical	0	0
Event	0	0

 LINE       60
 EXPRESSION (trigger_i == 1'b1)
            ---------1---------

-1-	Status	Tests
0	Covered	T24,T31,T32
1	Covered	T1,T4,T2

 LINE       92
 EXPRESSION (cnt_clr ? '0 : (cnt_en ? ((cnt_q + 1'b1)) : cnt_q))
             ---1---

-1-	Status	Tests
0	Covered	T1,T4,T2
1	Covered	T24,T31,T32

 LINE       92
 SUB-EXPRESSION (cnt_en ? ((cnt_q + 1'b1)) : cnt_q)
                 ---1--

-1-	Status	Tests
0	Covered	T1,T4,T2
1	Covered	T24,T31,T32

 LINE       99
 EXPRESSION (thresh_sel ? (32'(cfg_detect_timer_i)) : (32'(cfg_debounce_timer_i)))
             -----1----

-1-	Status	Tests
0	Covered	T1,T4,T2
1	Covered	T24,T31,T32

 LINE       147
 EXPRESSION (trigger_event && cfg_enable_i)
             ------1------    ------2-----

-1-	-2-	Status	Tests
0	1	Covered	T24,T31,T32
1	0	Covered	T24,T31,T37
1	1	Covered	T24,T31,T32

 LINE       185
 EXPRESSION (((!cfg_enable_i)) || ((!trigger_active)))
             --------1--------    ---------2---------

-1-	-2-	Status	Tests
0	0	Covered	T24,T31,T32
0	1	Covered	T24,T31,T88
1	0	Covered	T24,T31,T88

 LINE       205
 EXPRESSION (((!cfg_enable_i)) || (((!trigger_active)) && ((!Sticky))))
             --------1--------    ------------------2-----------------

-1-	-2-	Status	Tests
0	0	Covered	T24,T31,T32
0	1	Covered	T24,T31,T32
1	0	Covered	T24

 LINE       205
 SUB-EXPRESSION (((!trigger_active)) && ((!Sticky)))
                 ---------1---------    -----2-----

-1-	-2-	Status	Tests
0	-	Covered	T24,T31,T32
1	-	Covered	T24,T31,T32

---

FSM Coverage for Instance : tb.dut.u_sysrst_ctrl_combo.gen_combo_trigger[2].u_sysrst_ctrl_detect_pre

Summary for FSM :: state_q

	Total	Covered	Percent
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

---

states	Line No.	Covered	Tests
DebounceSt	148	Covered	T24,T31,T32
DetectSt	168	Covered	T24,T31,T32
IdleSt	163	Covered	T1,T4,T2
StableSt	191	Covered	T24,T31,T32

transitions	Line No.	Covered	Tests
DebounceSt->DetectSt	168	Covered	T24,T31,T32
DebounceSt->IdleSt	163	Covered	T24,T31,T104
DetectSt->IdleSt	186	Covered	T24,T31,T88
DetectSt->StableSt	191	Covered	T24,T31,T32
IdleSt->DebounceSt	148	Covered	T24,T31,T32
StableSt->IdleSt	206	Covered	T24,T31,T32

---

Branch Coverage for Instance : tb.dut.u_sysrst_ctrl_combo.gen_combo_trigger[2].u_sysrst_ctrl_detect_pre

	Line No.	Total	Covered	Percent
Branches		20	20	100.00
TERNARY	92	3	3	100.00
TERNARY	99	2	2	100.00
IF	104	2	2	100.00
CASE	140	11	11	100.00
IF	219	2	2	100.00

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

Branches:

-1-	-2-	Status	Tests
1	-	Covered	T24,T31,T32
0	1	Covered	T24,T31,T32
0	0	Covered	T1,T4,T2

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

Branches:

-1-	Status	Tests
1	Covered	T24,T31,T32
0	Covered	T1,T4,T2

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

Branches:

-1-	Status	Tests
1	Covered	T1,T4,T2
0	Covered	T1,T4,T2

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
                     ==>
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-	Status	Tests	Exclude Annotation
IdleSt	1	-	-	-	-	-	-	Covered	T24,T31,T32
IdleSt	0	-	-	-	-	-	-	Covered	T24,T31,T32
DebounceSt	-	1	-	-	-	-	-	Covered	T24,T31
DebounceSt	-	0	1	1	-	-	-	Covered	T24,T31,T32
DebounceSt	-	0	1	0	-	-	-	Covered	T24,T31,T104
DebounceSt	-	0	0	-	-	-	-	Covered	T24,T31,T32
DetectSt	-	-	-	-	1	-	-	Covered	T24,T31,T88
DetectSt	-	-	-	-	0	1	-	Covered	T24,T31,T32
DetectSt	-	-	-	-	0	0	-	Covered	T24,T31,T32
StableSt	-	-	-	-	-	-	1	Covered	T24,T31,T32
StableSt	-	-	-	-	-	-	0	Covered	T24,T31,T32
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-	Status	Tests
1	Covered	T1,T4,T2
0	Covered	T1,T4,T2

---

Assert Coverage for Instance : tb.dut.u_sysrst_ctrl_combo.gen_combo_trigger[2].u_sysrst_ctrl_detect_pre

	Total	Attempted	Percent	Succeeded/Matched	Percent
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

Name	Attempts	Real Successes	Failures	Incomplete
CntClr_A	5947631	2641	0	0
CntIncr_A	5947631	86125	0	0
CntNoWrap_A	5947631	5478599	0	0
DetectStDropOut_A	5947631	438	0	0
DetectedOut_A	5947631	58049	0	0
DetectedPulseOut_A	5947631	646	0	0
DisabledIdleSt_A	5947631	5081199	0	0
DisabledNoDetection_A	5947631	5082846	0	0
EnterDebounceSt_A	5947631	1337	0	0
EnterDetectSt_A	5947631	1304	0	0
EnterStableSt_A	5947631	646	0	0
PulseIsPulse_A	5947631	646	0	0
StayInStableSt	5947631	57309	0	0
gen_high_event_sva.HighLevelEvent_A	5947631	5483067	0	0
gen_high_level_sva.HighLevelEvent_A	5947631	5483067	0	0
gen_not_sticky_sva.StableStDropOut_A	5947631	550	0	0

CntClr_A

Name	Attempts	Real Successes	Failures	Incomplete
Total	5947631	2641	0	0
T8	522	0	0	0
T9	492	0	0	0
T24	6838	17	0	0
T31	0	16	0	0
T32	0	12	0	0
T37	0	46	0	0
T38	0	36	0	0
T39	0	30	0	0
T42	0	42	0	0
T54	751	0	0	0
T55	471	0	0	0
T58	0	8	0	0
T64	897	0	0	0
T65	540	0	0	0
T84	559	0	0	0
T88	0	34	0	0
T89	0	30	0	0
T90	1161	0	0	0
T91	434	0	0	0

CntIncr_A

Name	Attempts	Real Successes	Failures	Incomplete
Total	5947631	86125	0	0
T8	522	0	0	0
T9	492	0	0	0
T24	6838	494	0	0
T31	0	506	0	0
T32	0	342	0	0
T37	0	1702	0	0
T38	0	810	0	0
T39	0	795	0	0
T42	0	993	0	0
T54	751	0	0	0
T55	471	0	0	0
T58	0	240	0	0
T64	897	0	0	0
T65	540	0	0	0
T84	559	0	0	0
T88	0	1346	0	0
T89	0	1065	0	0
T90	1161	0	0	0
T91	434	0	0	0

CntNoWrap_A

Name	Attempts	Real Successes	Failures	Incomplete
Total	5947631	5478599	0	0
T1	483	82	0	0
T2	681	280	0	0
T4	420	19	0	0
T12	527	126	0	0
T13	422	21	0	0
T14	452	51	0	0
T15	502	101	0	0
T16	716	315	0	0
T17	491	90	0	0
T18	1786	1385	0	0

DetectStDropOut_A

Name	Attempts	Real Successes	Failures	Incomplete
Total	5947631	438	0	0
T8	522	0	0	0
T9	492	0	0	0
T24	6838	1	0	0
T31	0	1	0	0
T42	0	14	0	0
T54	751	0	0	0
T55	471	0	0	0
T64	897	0	0	0
T65	540	0	0	0
T84	559	0	0	0
T88	0	9	0	0
T90	1161	0	0	0
T91	434	0	0	0
T110	0	12	0	0
T113	0	10	0	0
T118	0	29	0	0
T119	0	21	0	0
T120	0	14	0	0
T301	0	16	0	0

DetectedOut_A

Name	Attempts	Real Successes	Failures	Incomplete
Total	5947631	58049	0	0
T8	522	0	0	0
T9	492	0	0	0
T24	6838	386	0	0
T31	0	447	0	0
T32	0	1943	0	0
T37	0	1982	0	0
T38	0	1581	0	0
T39	0	626	0	0
T40	0	447	0	0
T54	751	0	0	0
T55	471	0	0	0
T58	0	2086	0	0
T64	897	0	0	0
T65	540	0	0	0
T84	559	0	0	0
T89	0	2659	0	0
T90	1161	0	0	0
T91	434	0	0	0
T282	0	143	0	0

DetectedPulseOut_A

Name	Attempts	Real Successes	Failures	Incomplete
Total	5947631	646	0	0
T8	522	0	0	0
T9	492	0	0	0
T24	6838	5	0	0
T31	0	5	0	0
T32	0	6	0	0
T37	0	23	0	0
T38	0	18	0	0
T39	0	15	0	0
T40	0	5	0	0
T54	751	0	0	0
T55	471	0	0	0
T58	0	4	0	0
T64	897	0	0	0
T65	540	0	0	0
T84	559	0	0	0
T89	0	15	0	0
T90	1161	0	0	0
T91	434	0	0	0
T282	0	6	0	0

DisabledIdleSt_A

Name	Attempts	Real Successes	Failures	Incomplete
Total	5947631	5081199	0	0
T1	483	82	0	0
T2	681	280	0	0
T4	420	19	0	0
T12	527	126	0	0
T13	422	21	0	0
T14	452	51	0	0
T15	502	101	0	0
T16	716	315	0	0
T17	491	90	0	0
T18	1786	1385	0	0

DisabledNoDetection_A

Name	Attempts	Real Successes	Failures	Incomplete
Total	5947631	5082846	0	0
T1	483	83	0	0
T2	681	281	0	0
T4	420	20	0	0
T12	527	127	0	0
T13	422	22	0	0
T14	452	52	0	0
T15	502	102	0	0
T16	716	316	0	0
T17	491	91	0	0
T18	1786	1386	0	0

EnterDebounceSt_A

Name	Attempts	Real Successes	Failures	Incomplete
Total	5947631	1337	0	0
T8	522	0	0	0
T9	492	0	0	0
T24	6838	10	0	0
T31	0	9	0	0
T32	0	6	0	0
T37	0	23	0	0
T38	0	18	0	0
T39	0	15	0	0
T42	0	21	0	0
T54	751	0	0	0
T55	471	0	0	0
T58	0	4	0	0
T64	897	0	0	0
T65	540	0	0	0
T84	559	0	0	0
T88	0	17	0	0
T89	0	15	0	0
T90	1161	0	0	0
T91	434	0	0	0

EnterDetectSt_A

Name	Attempts	Real Successes	Failures	Incomplete
Total	5947631	1304	0	0
T8	522	0	0	0
T9	492	0	0	0
T24	6838	7	0	0
T31	0	7	0	0
T32	0	6	0	0
T37	0	23	0	0
T38	0	18	0	0
T39	0	15	0	0
T42	0	21	0	0
T54	751	0	0	0
T55	471	0	0	0
T58	0	4	0	0
T64	897	0	0	0
T65	540	0	0	0
T84	559	0	0	0
T88	0	17	0	0
T89	0	15	0	0
T90	1161	0	0	0
T91	434	0	0	0

EnterStableSt_A

Name	Attempts	Real Successes	Failures	Incomplete
Total	5947631	646	0	0
T8	522	0	0	0
T9	492	0	0	0
T24	6838	5	0	0
T31	0	5	0	0
T32	0	6	0	0
T37	0	23	0	0
T38	0	18	0	0
T39	0	15	0	0
T40	0	5	0	0
T54	751	0	0	0
T55	471	0	0	0
T58	0	4	0	0
T64	897	0	0	0
T65	540	0	0	0
T84	559	0	0	0
T89	0	15	0	0
T90	1161	0	0	0
T91	434	0	0	0
T282	0	6	0	0

PulseIsPulse_A

Name	Attempts	Real Successes	Failures	Incomplete
Total	5947631	646	0	0
T8	522	0	0	0
T9	492	0	0	0
T24	6838	5	0	0
T31	0	5	0	0
T32	0	6	0	0
T37	0	23	0	0
T38	0	18	0	0
T39	0	15	0	0
T40	0	5	0	0
T54	751	0	0	0
T55	471	0	0	0
T58	0	4	0	0
T64	897	0	0	0
T65	540	0	0	0
T84	559	0	0	0
T89	0	15	0	0
T90	1161	0	0	0
T91	434	0	0	0
T282	0	6	0	0

StayInStableSt

Name	Attempts	Real Successes	Failures	Incomplete
Total	5947631	57309	0	0
T8	522	0	0	0
T9	492	0	0	0
T24	6838	381	0	0
T31	0	442	0	0
T32	0	1937	0	0
T37	0	1956	0	0
T38	0	1562	0	0
T39	0	609	0	0
T40	0	442	0	0
T54	751	0	0	0
T55	471	0	0	0
T58	0	2082	0	0
T64	897	0	0	0
T65	540	0	0	0
T84	559	0	0	0
T89	0	2636	0	0
T90	1161	0	0	0
T91	434	0	0	0
T282	0	137	0	0

gen_high_event_sva.HighLevelEvent_A

Name	Attempts	Real Successes	Failures	Incomplete
Total	5947631	5483067	0	0
T1	483	83	0	0
T2	681	281	0	0
T4	420	20	0	0
T12	527	127	0	0
T13	422	22	0	0
T14	452	52	0	0
T15	502	102	0	0
T16	716	316	0	0
T17	491	91	0	0
T18	1786	1386	0	0

gen_high_level_sva.HighLevelEvent_A

Name	Attempts	Real Successes	Failures	Incomplete
Total	5947631	5483067	0	0
T1	483	83	0	0
T2	681	281	0	0
T4	420	20	0	0
T12	527	127	0	0
T13	422	22	0	0
T14	452	52	0	0
T15	502	102	0	0
T16	716	316	0	0
T17	491	91	0	0
T18	1786	1386	0	0

gen_not_sticky_sva.StableStDropOut_A

Name	Attempts	Real Successes	Failures	Incomplete
Total	5947631	550	0	0
T8	522	0	0	0
T9	492	0	0	0
T24	6838	4	0	0
T31	0	5	0	0
T32	0	6	0	0
T37	0	20	0	0
T38	0	17	0	0
T39	0	13	0	0
T40	0	5	0	0
T54	751	0	0	0
T55	471	0	0	0
T58	0	4	0	0
T64	897	0	0	0
T65	540	0	0	0
T84	559	0	0	0
T89	0	7	0	0
T90	1161	0	0	0
T91	434	0	0	0
T282	0	6	0	0

Line Coverage for Instance : tb.dut.u_sysrst_ctrl_combo.gen_combo_trigger[2].u_sysrst_ctrl_detect

	Line No.	Total	Covered	Percent
TOTAL		46	46	100.00
CONT_ASSIGN	60	1	1	100.00
ALWAYS	69	3	3	100.00
CONT_ASSIGN	76	1	1	100.00
CONT_ASSIGN	92	1	1	100.00
CONT_ASSIGN	99	1	1	100.00
CONT_ASSIGN	101	1	1	100.00
ALWAYS	104	3	3	100.00
ALWAYS	125	32	32	100.00
ALWAYS	219	3	3	100.00

59                        end else begin : gen_trigger_active_high
60         1/1              assign trigger_active = (trigger_i == 1'b1);
           Tests:       T24 T31 T32 
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 T2 
70         1/1                  trigger_active_q <= 1'b0;
           Tests:       T1 T4 T2 
71                            end else begin
72         1/1                  trigger_active_q <= trigger_active;
           Tests:       T1 T4 T2 
73                            end
74                          end
75                      
76         1/1              assign trigger_event = trigger_active & ~trigger_active_q;
           Tests:       T1 T4 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:       T24 T31 T32 
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 T2 T14 
100                                                      TimerWidth'(cfg_debounce_timer_i);
101        1/1            assign cnt_done = (cnt_q >= thresh);
           Tests:       T1 T2 T14 
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 T2 
105        1/1                cnt_q <= '0;
           Tests:       T1 T4 T2 
106                         end else begin
107        1/1                cnt_q <= cnt_d;
           Tests:       T1 T4 T2 
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 T2 
126                     
127                         // Counter controls (clear has priority).
128        1/1              cnt_clr = 1'b0;
           Tests:       T1 T4 T2 
129        1/1              cnt_en = 1'b0;
           Tests:       T1 T4 T2 
130                     
131                         // Detected outputs
132        1/1              event_detected_o = 1'b0;
           Tests:       T1 T4 T2 
133        1/1              event_detected_pulse_o = 1'b0;
           Tests:       T1 T4 T2 
134                     
135                         // Threshold select
136                         // 0: debounce
137                         // 1: detect
138        1/1              thresh_sel = 1'b0;
           Tests:       T1 T4 T2 
139                     
140        1/1              unique case (state_q)
           Tests:       T1 T4 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:       T1 T4 T2 
148        1/1                    state_d = DebounceSt;
           Tests:       T24 T31 T32 
149        1/1                    cnt_en = 1'b1;
           Tests:       T24 T31 T32 
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:       T24 T31 T32 
161                             // Unconditionally go back to idle if the detector is disabled.
162        1/1                  if (!cfg_enable_i) begin
           Tests:       T24 T31 T32 
163        1/1                    state_d = IdleSt;
           Tests:       T24 T31 
164        1/1                    cnt_clr = 1'b1;
           Tests:       T24 T31 
165        1/1                  end else if (cnt_done) begin
           Tests:       T24 T31 T32 
166        1/1                    cnt_clr = 1'b1;
           Tests:       T24 T31 T32 
167        1/1                    if (trigger_active) begin
           Tests:       T24 T31 T32 
168        1/1                      state_d = DetectSt;
           Tests:       T24 T31 T32 
169                               end else begin
170        1/1                      state_d = IdleSt;
           Tests:       T52 T53 T41 
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:       T24 T31 T32 
182        1/1                  cnt_en = 1'b1;
           Tests:       T24 T31 T32 
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:       T24 T31 T32 
186        1/1                    state_d = IdleSt;
           Tests:       T24 T31 T53 
187        1/1                    cnt_clr = 1'b1;
           Tests:       T24 T31 T53 
188                             // If the trigger is active, count up.
189                             end else begin
190        1/1                    if (cnt_done) begin
           Tests:       T24 T31 T32 
191        1/1                      state_d = StableSt;
           Tests:       T24 T31 T32 
192        1/1                      cnt_clr = 1'b1;
           Tests:       T24 T31 T32 
193        1/1                      event_detected_o = 1'b1;
           Tests:       T24 T31 T32 
194        1/1                      event_detected_pulse_o = 1'b1;
           Tests:       T24 T31 T32 
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:       T24 T31 T32 
206        1/1                    state_d = IdleSt;
           Tests:       T24 T31 T32 
207                             // Otherwise keep the event detected output signal high.
208                             end else begin
209        1/1                    event_detected_o = 1'b1;
           Tests:       T24 T31 T32 
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 T2 
220        1/1                state_q <= IdleSt;
           Tests:       T1 T4 T2 
221                         end else begin
222        1/1                state_q <= state_d;
           Tests:       T1 T4 T2 

---

Cond Coverage for Instance : tb.dut.u_sysrst_ctrl_combo.gen_combo_trigger[2].u_sysrst_ctrl_detect

	Total	Covered	Percent
Conditions	22	22	100.00
Logical	22	22	100.00
Non-Logical	0	0
Event	0	0

 LINE       60
 EXPRESSION (trigger_i == 1'b1)
            ---------1---------

-1-	Status	Tests
0	Covered	T24,T31,T32
1	Covered	T1,T4,T2

 LINE       76
 EXPRESSION (trigger_active & ((~gen_trigger_event_edge.trigger_active_q)))
             -------1------   ----------------------2---------------------

-1-	-2-	Status	Tests
0	1	Covered	T24,T31,T32
1	0	Covered	T1,T4,T2
1	1	Covered	T1,T4,T2

 LINE       92
 EXPRESSION (cnt_clr ? '0 : (cnt_en ? ((cnt_q + 1'b1)) : cnt_q))
             ---1---

-1-	Status	Tests
0	Covered	T1,T4,T2
1	Covered	T24,T31,T32

 LINE       92
 SUB-EXPRESSION (cnt_en ? ((cnt_q + 1'b1)) : cnt_q)
                 ---1--

-1-	Status	Tests
0	Covered	T1,T4,T2
1	Covered	T24,T31,T32

 LINE       99
 EXPRESSION (thresh_sel ? (32'(cfg_detect_timer_i)) : (32'(cfg_debounce_timer_i)))
             -----1----

-1-	Status	Tests
0	Covered	T1,T4,T2
1	Covered	T24,T31,T32

 LINE       147
 EXPRESSION (trigger_event && cfg_enable_i)
             ------1------    ------2-----

-1-	-2-	Status	Tests
0	1	Covered	T24,T31,T32
1	0	Covered	T81,T24,T64
1	1	Covered	T24,T31,T32

 LINE       185
 EXPRESSION (((!cfg_enable_i)) || ((!trigger_active)))
             --------1--------    ---------2---------

-1-	-2-	Status	Tests
0	0	Covered	T24,T31,T32
0	1	Covered	T53,T109,T292
1	0	Covered	T24,T31

 LINE       205
 EXPRESSION (((!cfg_enable_i)) || (((!trigger_active)) && ((!Sticky))))
             --------1--------    ------------------2-----------------

-1-	-2-	Status	Tests
0	0	Covered	T24,T31,T32
0	1	Covered	T32,T52,T37
1	0	Covered	T24,T58

 LINE       205
 SUB-EXPRESSION (((!trigger_active)) && ((!Sticky)))
                 ---------1---------    -----2-----

-1-	-2-	Status	Tests
0	-	Covered	T24,T31,T32
1	-	Covered	T31,T32,T52

---

FSM Coverage for Instance : tb.dut.u_sysrst_ctrl_combo.gen_combo_trigger[2].u_sysrst_ctrl_detect

Summary for FSM :: state_q

	Total	Covered	Percent
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

---

states	Line No.	Covered	Tests
DebounceSt	148	Covered	T24,T31,T32
DetectSt	168	Covered	T24,T31,T32
IdleSt	163	Covered	T1,T4,T2
StableSt	191	Covered	T24,T31,T32

transitions	Line No.	Covered	Tests
DebounceSt->DetectSt	168	Covered	T24,T31,T32
DebounceSt->IdleSt	163	Covered	T24,T31,T52
DetectSt->IdleSt	186	Covered	T24,T31,T53
DetectSt->StableSt	191	Covered	T24,T31,T32
IdleSt->DebounceSt	148	Covered	T24,T31,T32
StableSt->IdleSt	206	Covered	T24,T31,T32

---

Branch Coverage for Instance : tb.dut.u_sysrst_ctrl_combo.gen_combo_trigger[2].u_sysrst_ctrl_detect

	Line No.	Total	Covered	Percent
Branches		22	22	100.00
TERNARY	92	3	3	100.00
TERNARY	99	2	2	100.00
IF	104	2	2	100.00
CASE	140	11	11	100.00
IF	219	2	2	100.00
IF	69	2	2	100.00

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

Branches:

-1-	-2-	Status	Tests
1	-	Covered	T24,T31,T32
0	1	Covered	T24,T31,T32
0	0	Covered	T1,T4,T2

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

Branches:

-1-	Status	Tests
1	Covered	T24,T31,T32
0	Covered	T1,T4,T2

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

Branches:

-1-	Status	Tests
1	Covered	T1,T4,T2
0	Covered	T1,T4,T2

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
                     ==>
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-	Status	Tests	Exclude Annotation
IdleSt	1	-	-	-	-	-	-	Covered	T24,T31,T32
IdleSt	0	-	-	-	-	-	-	Covered	T1,T4,T2
DebounceSt	-	1	-	-	-	-	-	Covered	T24,T31
DebounceSt	-	0	1	1	-	-	-	Covered	T24,T31,T32
DebounceSt	-	0	1	0	-	-	-	Covered	T52,T53,T41
DebounceSt	-	0	0	-	-	-	-	Covered	T24,T31,T32
DetectSt	-	-	-	-	1	-	-	Covered	T24,T31,T53
DetectSt	-	-	-	-	0	1	-	Covered	T24,T31,T32
DetectSt	-	-	-	-	0	0	-	Covered	T24,T31,T32
StableSt	-	-	-	-	-	-	1	Covered	T24,T31,T32
StableSt	-	-	-	-	-	-	0	Covered	T24,T31,T32
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-	Status	Tests
1	Covered	T1,T4,T2
0	Covered	T1,T4,T2

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

Branches:

-1-	Status	Tests
1	Covered	T1,T4,T2
0	Covered	T1,T4,T2

---

Assert Coverage for Instance : tb.dut.u_sysrst_ctrl_combo.gen_combo_trigger[2].u_sysrst_ctrl_detect

	Total	Attempted	Percent	Succeeded/Matched	Percent
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

Name	Attempts	Real Successes	Failures	Incomplete
CntClr_A	5947631	764	0	0
CntIncr_A	5947631	42193	0	0
CntNoWrap_A	5947631	5480476	0	0
DetectStDropOut_A	5947631	54	0	0
DetectedOut_A	5947631	12788	0	0
DetectedPulseOut_A	5947631	302	0	0
DisabledIdleSt_A	5947631	5157032	0	0
DisabledNoDetection_A	5947631	5158279	0	0
EnterDebounceSt_A	5947631	404	0	0
EnterDetectSt_A	5947631	361	0	0
EnterStableSt_A	5947631	302	0	0
PulseIsPulse_A	5947631	302	0	0
StayInStableSt	5947631	12462	0	0
gen_high_level_sva.HighLevelEvent_A	5947631	5483067	0	0
gen_not_sticky_sva.StableStDropOut_A	5947631	272	0	0

CntClr_A

Name	Attempts	Real Successes	Failures	Incomplete
Total	5947631	764	0	0
T8	522	0	0	0
T9	492	0	0	0
T24	6838	8	0	0
T31	0	8	0	0
T32	0	2	0	0
T37	0	4	0	0
T41	0	26	0	0
T52	0	9	0	0
T53	0	4	0	0
T54	751	0	0	0
T55	471	0	0	0
T58	0	4	0	0
T64	897	0	0	0
T65	540	0	0	0
T84	559	0	0	0
T89	0	14	0	0
T90	1161	0	0	0
T91	434	0	0	0
T302	0	12	0	0

CntIncr_A

Name	Attempts	Real Successes	Failures	Incomplete
Total	5947631	42193	0	0
T8	522	0	0	0
T9	492	0	0	0
T24	6838	225	0	0
T31	0	305	0	0
T32	0	93	0	0
T37	0	88	0	0
T41	0	1536	0	0
T52	0	251	0	0
T53	0	226	0	0
T54	751	0	0	0
T55	471	0	0	0
T58	0	198	0	0
T64	897	0	0	0
T65	540	0	0	0
T84	559	0	0	0
T89	0	511	0	0
T90	1161	0	0	0
T91	434	0	0	0
T302	0	720	0	0

CntNoWrap_A

Name	Attempts	Real Successes	Failures	Incomplete
Total	5947631	5480476	0	0
T1	483	82	0	0
T2	681	280	0	0
T4	420	19	0	0
T12	527	126	0	0
T13	422	21	0	0
T14	452	51	0	0
T15	502	101	0	0
T16	716	315	0	0
T17	491	90	0	0
T18	1786	1385	0	0

DetectStDropOut_A

Name	Attempts	Real Successes	Failures	Incomplete
Total	5947631	54	0	0
T45	984	0	0	0
T51	889	0	0	0
T53	8265	1	0	0
T95	653	0	0	0
T109	0	2	0	0
T111	0	4	0	0
T115	0	4	0	0
T117	0	6	0	0
T144	447	0	0	0
T145	402	0	0	0
T146	502	0	0	0
T147	1271	0	0	0
T225	421	0	0	0
T226	905	0	0	0
T249	0	3	0	0
T292	0	1	0	0
T303	0	1	0	0
T304	0	1	0	0
T305	0	1	0	0

DetectedOut_A

Name	Attempts	Real Successes	Failures	Incomplete
Total	5947631	12788	0	0
T8	522	0	0	0
T9	492	0	0	0
T24	6838	94	0	0
T31	0	74	0	0
T32	0	89	0	0
T37	0	168	0	0
T40	0	146	0	0
T41	0	78	0	0
T52	0	53	0	0
T54	751	0	0	0
T55	471	0	0	0
T58	0	190	0	0
T64	897	0	0	0
T65	540	0	0	0
T84	559	0	0	0
T89	0	476	0	0
T90	1161	0	0	0
T91	434	0	0	0
T302	0	442	0	0

DetectedPulseOut_A

Name	Attempts	Real Successes	Failures	Incomplete
Total	5947631	302	0	0
T8	522	0	0	0
T9	492	0	0	0
T24	6838	1	0	0
T31	0	1	0	0
T32	0	1	0	0
T37	0	2	0	0
T40	0	3	0	0
T41	0	12	0	0
T52	0	4	0	0
T54	751	0	0	0
T55	471	0	0	0
T58	0	2	0	0
T64	897	0	0	0
T65	540	0	0	0
T84	559	0	0	0
T89	0	7	0	0
T90	1161	0	0	0
T91	434	0	0	0
T302	0	5	0	0

DisabledIdleSt_A

Name	Attempts	Real Successes	Failures	Incomplete
Total	5947631	5157032	0	0
T1	483	82	0	0
T2	681	280	0	0
T4	420	19	0	0
T12	527	126	0	0
T13	422	21	0	0
T14	452	51	0	0
T15	502	101	0	0
T16	716	315	0	0
T17	491	90	0	0
T18	1786	1385	0	0

DisabledNoDetection_A

Name	Attempts	Real Successes	Failures	Incomplete
Total	5947631	5158279	0	0
T1	483	83	0	0
T2	681	281	0	0
T4	420	20	0	0
T12	527	127	0	0
T13	422	22	0	0
T14	452	52	0	0
T15	502	102	0	0
T16	716	316	0	0
T17	491	91	0	0
T18	1786	1386	0	0

EnterDebounceSt_A

Name	Attempts	Real Successes	Failures	Incomplete
Total	5947631	404	0	0
T8	522	0	0	0
T9	492	0	0	0
T24	6838	5	0	0
T31	0	5	0	0
T32	0	1	0	0
T37	0	2	0	0
T41	0	14	0	0
T52	0	5	0	0
T53	0	3	0	0
T54	751	0	0	0
T55	471	0	0	0
T58	0	2	0	0
T64	897	0	0	0
T65	540	0	0	0
T84	559	0	0	0
T89	0	7	0	0
T90	1161	0	0	0
T91	434	0	0	0
T302	0	7	0	0

EnterDetectSt_A

Name	Attempts	Real Successes	Failures	Incomplete
Total	5947631	361	0	0
T8	522	0	0	0
T9	492	0	0	0
T24	6838	3	0	0
T31	0	3	0	0
T32	0	1	0	0
T37	0	2	0	0
T41	0	12	0	0
T52	0	4	0	0
T53	0	1	0	0
T54	751	0	0	0
T55	471	0	0	0
T58	0	2	0	0
T64	897	0	0	0
T65	540	0	0	0
T84	559	0	0	0
T89	0	7	0	0
T90	1161	0	0	0
T91	434	0	0	0
T302	0	5	0	0

EnterStableSt_A

Name	Attempts	Real Successes	Failures	Incomplete
Total	5947631	302	0	0
T8	522	0	0	0
T9	492	0	0	0
T24	6838	1	0	0
T31	0	1	0	0
T32	0	1	0	0
T37	0	2	0	0
T40	0	3	0	0
T41	0	12	0	0
T52	0	4	0	0
T54	751	0	0	0
T55	471	0	0	0
T58	0	2	0	0
T64	897	0	0	0
T65	540	0	0	0
T84	559	0	0	0
T89	0	7	0	0
T90	1161	0	0	0
T91	434	0	0	0
T302	0	5	0	0

PulseIsPulse_A

Name	Attempts	Real Successes	Failures	Incomplete
Total	5947631	302	0	0
T8	522	0	0	0
T9	492	0	0	0
T24	6838	1	0	0
T31	0	1	0	0
T32	0	1	0	0
T37	0	2	0	0
T40	0	3	0	0
T41	0	12	0	0
T52	0	4	0	0
T54	751	0	0	0
T55	471	0	0	0
T58	0	2	0	0
T64	897	0	0	0
T65	540	0	0	0
T84	559	0	0	0
T89	0	7	0	0
T90	1161	0	0	0
T91	434	0	0	0
T302	0	5	0	0

StayInStableSt

Name	Attempts	Real Successes	Failures	Incomplete
Total	5947631	12462	0	0
T8	522	0	0	0
T9	492	0	0	0
T24	6838	93	0	0
T31	0	73	0	0
T32	0	88	0	0
T37	0	166	0	0
T40	0	143	0	0
T41	0	66	0	0
T52	0	49	0	0
T54	751	0	0	0
T55	471	0	0	0
T58	0	188	0	0
T64	897	0	0	0
T65	540	0	0	0
T84	559	0	0	0
T89	0	464	0	0
T90	1161	0	0	0
T91	434	0	0	0
T302	0	437	0	0

gen_high_level_sva.HighLevelEvent_A

Name	Attempts	Real Successes	Failures	Incomplete
Total	5947631	5483067	0	0
T1	483	83	0	0
T2	681	281	0	0
T4	420	20	0	0
T12	527	127	0	0
T13	422	22	0	0
T14	452	52	0	0
T15	502	102	0	0
T16	716	316	0	0
T17	491	91	0	0
T18	1786	1386	0	0

gen_not_sticky_sva.StableStDropOut_A

Name	Attempts	Real Successes	Failures	Incomplete
Total	5947631	272	0	0
T32	7902	1	0	0
T37	0	2	0	0
T40	0	3	0	0
T41	0	12	0	0
T52	0	4	0	0
T89	0	2	0	0
T195	866	0	0	0
T196	1038	0	0	0
T197	522	0	0	0
T198	403	0	0	0
T199	2176	0	0	0
T200	422	0	0	0
T201	506	0	0	0
T202	423	0	0	0
T285	0	2	0	0
T293	0	3	0	0
T302	0	5	0	0
T306	0	4	0	0
T307	527	0	0	0