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
99.05	100.00	100.00		100.00	95.24	100.00

Instance's subtree :

SCORE	LINE	COND	TOGGLE	FSM	BRANCH	ASSERT
99.05	100.00	100.00		100.00	95.24	100.00

Parent :

SCORE	LINE	COND	TOGGLE	FSM	BRANCH	ASSERT	NAME
96.15	100.00	92.31					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
99.05	100.00	95.24		100.00	100.00	100.00

Instance's subtree :

SCORE	LINE	COND	TOGGLE	FSM	BRANCH	ASSERT
99.05	100.00	95.24		100.00	100.00	100.00

Parent :

SCORE	LINE	COND	TOGGLE	FSM	BRANCH	ASSERT	NAME
96.15	100.00	92.31					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
97.99	100.00	94.74		100.00	95.24	100.00

Instance's subtree :

SCORE	LINE	COND	TOGGLE	FSM	BRANCH	ASSERT
97.99	100.00	94.74		100.00	95.24	100.00

Parent :

SCORE	LINE	COND	TOGGLE	FSM	BRANCH	ASSERT	NAME
96.15	100.00	92.31					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
96.15	100.00	92.31					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
99.05	100.00	100.00		100.00	95.24	100.00

Instance's subtree :

SCORE	LINE	COND	TOGGLE	FSM	BRANCH	ASSERT
99.05	100.00	100.00		100.00	95.24	100.00

Parent :

SCORE	LINE	COND	TOGGLE	FSM	BRANCH	ASSERT	NAME
96.15	100.00	92.31					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
96.15	100.00	92.31					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:       T25 T30 T31 
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:       T25 T30 T31 
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:       T2 T8 T25 
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:       T5 T1 T2 
100                                                      TimerWidth'(cfg_debounce_timer_i);
101        1/1            assign cnt_done = (cnt_q >= thresh);
           Tests:       T5 T1 T2 
102                     
103                       always_ff @(posedge clk_i or negedge rst_ni) begin : p_cnt_reg
104        1/1              if (!rst_ni) begin
           Tests:       T4 T5 T6 
105        1/1                cnt_q <= '0;
           Tests:       T4 T5 T6 
106                         end else begin
107        1/1                cnt_q <= cnt_d;
           Tests:       T4 T5 T6 
108                         end
109                       end
110                     
111                       /////////
112                       // FSM //
113                       /////////
114                     
115                       typedef enum logic [1:0] {
116                         IdleSt,
117                         DebounceSt,
118                         DetectSt,
119                         StableSt
120                       } state_t;
121                     
122                       state_t state_d, state_q;
123                     
124                       always_comb begin : p_fsm
125        1/1              state_d = state_q;
           Tests:       T2 T8 T25 
126                     
127                         // Counter controls (clear has priority).
128        1/1              cnt_clr = 1'b0;
           Tests:       T2 T8 T25 
129        1/1              cnt_en = 1'b0;
           Tests:       T2 T8 T25 
130                     
131                         // Detected outputs
132        1/1              event_detected_o = 1'b0;
           Tests:       T2 T8 T25 
133        1/1              event_detected_pulse_o = 1'b0;
           Tests:       T2 T8 T25 
134                     
135                         // Threshold select
136                         // 0: debounce
137                         // 1: detect
138        1/1              thresh_sel = 1'b0;
           Tests:       T2 T8 T25 
139                     
140        1/1              unique case (state_q)
           Tests:       T2 T8 T25 
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:       T2 T8 T25 
148        1/1                    state_d = DebounceSt;
           Tests:       T2 T8 T25 
149        1/1                    cnt_en = 1'b1;
           Tests:       T2 T8 T25 
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:       T2 T8 T25 
161                             // Unconditionally go back to idle if the detector is disabled.
162        1/1                  if (!cfg_enable_i) begin
           Tests:       T2 T8 T25 
163        1/1                    state_d = IdleSt;
           Tests:       T25 T45 
164        1/1                    cnt_clr = 1'b1;
           Tests:       T25 T45 
165        1/1                  end else if (cnt_done) begin
           Tests:       T2 T8 T25 
166        1/1                    cnt_clr = 1'b1;
           Tests:       T2 T8 T25 
167        1/1                    if (trigger_active) begin
           Tests:       T2 T8 T25 
168        1/1                      state_d = DetectSt;
           Tests:       T2 T8 T25 
169                               end else begin
170        1/1                      state_d = IdleSt;
           Tests:       T25 T45 T97 
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:       T2 T8 T25 
182        1/1                  cnt_en = 1'b1;
           Tests:       T2 T8 T25 
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:       T2 T8 T25 
186        1/1                    state_d = IdleSt;
           Tests:       T25 T30 T31 
187        1/1                    cnt_clr = 1'b1;
           Tests:       T25 T30 T31 
188                             // If the trigger is active, count up.
189                             end else begin
190        1/1                    if (cnt_done) begin
           Tests:       T2 T8 T25 
191        1/1                      state_d = StableSt;
           Tests:       T2 T8 T25 
192        1/1                      cnt_clr = 1'b1;
           Tests:       T2 T8 T25 
193        1/1                      event_detected_o = 1'b1;
           Tests:       T2 T8 T25 
194        1/1                      event_detected_pulse_o = 1'b1;
           Tests:       T2 T8 T25 
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:       T2 T8 T25 
206        1/1                    state_d = IdleSt;
           Tests:       T25 T45 T87 
207                             // Otherwise keep the event detected output signal high.
208                             end else begin
209        1/1                    event_detected_o = 1'b1;
           Tests:       T2 T8 T25 
210                             end
211                           end
212                           ////////////////////////////////////////////
213                           // This is a full case statement
214                           default: ;
215                         endcase // state_q
216                       end
217                     
218                       always_ff @(posedge clk_i or negedge rst_ni) begin : p_fsm_reg
219        1/1              if (!rst_ni) begin
           Tests:       T4 T5 T6 
220        1/1                state_q <= IdleSt;
           Tests:       T4 T5 T6 
221                         end else begin
222        1/1                state_q <= state_d;
           Tests:       T4 T5 T6 

---

Cond Coverage for Instance : tb.dut.u_sysrst_ctrl_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	T25,T30,T31
1	Covered	T4,T5,T6

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

-1-	Status	Tests
0	Covered	T4,T5,T6
1	Covered	T2,T8,T25

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

-1-	Status	Tests
0	Covered	T4,T5,T6
1	Covered	T2,T8,T25

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

-1-	Status	Tests
0	Covered	T4,T5,T6
1	Covered	T2,T8,T25

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

-1-	-2-	Status	Tests
0	1	Covered	T25,T30,T31
1	0	Covered	T25,T30,T45
1	1	Covered	T2,T8,T25

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

-1-	-2-	Status	Tests
0	0	Covered	T2,T8,T25
0	1	Covered	T25,T30,T31
1	0	Covered	T25,T30,T45

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

-1-	-2-	Status	Tests
0	0	Covered	T2,T8,T25
0	1	Covered	T25,T45,T87
1	0	Covered	T25,T45,T246

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

-1-	-2-	Status	Tests
0	-	Covered	T2,T8,T25
1	-	Covered	T25,T45,T87

---

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	T2,T8,T25
DetectSt	168	Covered	T2,T8,T25
IdleSt	163	Covered	T4,T5,T6
StableSt	191	Covered	T2,T8,T25

transitions	Line No.	Covered	Tests
DebounceSt->DetectSt	168	Covered	T2,T8,T25
DebounceSt->IdleSt	163	Covered	T25,T45,T97
DetectSt->IdleSt	186	Covered	T25,T30,T31
DetectSt->StableSt	191	Covered	T2,T8,T25
IdleSt->DebounceSt	148	Covered	T2,T8,T25
StableSt->IdleSt	206	Covered	T25,T45,T87

---

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		21	20	95.24
TERNARY	92	3	3	100.00
TERNARY	99	2	2	100.00
IF	104	2	2	100.00
CASE	140	12	11	91.67
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	T2,T8,T25
0	1	Covered	T2,T8,T25
0	0	Covered	T4,T5,T6

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

Branches:

-1-	Status	Tests
1	Covered	T2,T8,T25
0	Covered	T4,T5,T6

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

Branches:

-1-	Status	Tests
1	Covered	T4,T5,T6
0	Covered	T4,T5,T6

140            unique case (state_q)
                      -1-  
141              ////////////////////////////////////////////
142              // We are waiting for the event to occur.
143              // This can be either a specific level or edge,
144              // depending on the configuration.
145              IdleSt: begin
146                // Stay here if the detector is disabled.
147                if (trigger_event && cfg_enable_i) begin
                   -2-  
148                  state_d = DebounceSt;
                     ==>
149                  cnt_en = 1'b1;
150                end
                   MISSING_ELSE
                   ==>
151              end
152              ////////////////////////////////////////////
153              // If an event has occurred, we back off for
154              // the amount of debounce cycles configured.
155              // Once the timer has expired, we sample the
156              // signal again and check whether it has the
157              // correct level. If so, we move on to the
158              // detection stage, otherwise we fall back.
159              DebounceSt: begin
160                cnt_en = 1'b1;
161                // Unconditionally go back to idle if the detector is disabled.
162                if (!cfg_enable_i) begin
                   -3-  
163                  state_d = IdleSt;
                     ==>
164                  cnt_clr = 1'b1;
165                end else if (cnt_done) begin
                            -4-  
166                  cnt_clr = 1'b1;
167                  if (trigger_active) begin
                     -5-  
168                    state_d = DetectSt;
                       ==>
169                  end else begin
170                    state_d = IdleSt;
                       ==>
171                  end
172                end
                   MISSING_ELSE
                   ==>
173              end
174              ////////////////////////////////////////////
175              // Once the debounce period has passed, we
176              // check whether the signal remains stable
177              // throughout the entire detection period.
178              // If it is not stable at any cycle, we fall
179              // back to idle.
180              DetectSt: begin
181                thresh_sel = 1'b1;
182                cnt_en = 1'b1;
183                // Go back to idle if either the trigger level is not active anymore, or if the
184                // detector is disabled.
185                if (!cfg_enable_i || !trigger_active) begin
                   -6-  
186                  state_d = IdleSt;
                     ==>
187                  cnt_clr = 1'b1;
188                // If the trigger is active, count up.
189                end else begin
190                  if (cnt_done) begin
                     -7-  
191                    state_d = StableSt;
                       ==>
192                    cnt_clr = 1'b1;
193                    event_detected_o = 1'b1;
194                    event_detected_pulse_o = 1'b1;
195                  end
                     MISSING_ELSE
                     ==>
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: ;
                 ==>

Branches:

-1-	-2-	-3-	-4-	-5-	-6-	-7-	-8-	Status	Tests
IdleSt	1	-	-	-	-	-	-	Covered	T2,T8,T25
IdleSt	0	-	-	-	-	-	-	Covered	T25,T30,T31
DebounceSt	-	1	-	-	-	-	-	Covered	T25,T45
DebounceSt	-	0	1	1	-	-	-	Covered	T2,T8,T25
DebounceSt	-	0	1	0	-	-	-	Covered	T25,T45,T97
DebounceSt	-	0	0	-	-	-	-	Covered	T2,T8,T25
DetectSt	-	-	-	-	1	-	-	Covered	T25,T30,T31
DetectSt	-	-	-	-	0	1	-	Covered	T2,T8,T25
DetectSt	-	-	-	-	0	0	-	Covered	T2,T8,T25
StableSt	-	-	-	-	-	-	1	Covered	T25,T45,T87
StableSt	-	-	-	-	-	-	0	Covered	T2,T8,T25
default	-	-	-	-	-	-	-	Not Covered

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

---

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	7758203	2774	0	0
CntIncr_A	7758203	88924	0	0
CntNoWrap_A	7758203	7280788	0	0
DetectStDropOut_A	7758203	472	0	0
DetectedOut_A	7758203	61031	0	0
DetectedPulseOut_A	7758203	716	0	0
DisabledIdleSt_A	7758203	6851862	0	0
DisabledNoDetection_A	7758203	6853591	0	0
EnterDebounceSt_A	7758203	1406	0	0
EnterDetectSt_A	7758203	1369	0	0
EnterStableSt_A	7758203	716	0	0
PulseIsPulse_A	7758203	716	0	0
StayInStableSt	7758203	60220	0	0
gen_high_event_sva.HighLevelEvent_A	7758203	7285475	0	0
gen_high_level_sva.HighLevelEvent_A	7758203	7285475	0	0
gen_not_sticky_sva.StableStDropOut_A	7758203	611	0	0

CntClr_A

Name	Attempts	Real Successes	Failures	Incomplete
Total	7758203	2774	0	0
T2	510	2	0	0
T3	2489	0	0	0
T8	0	2	0	0
T13	0	2	0	0
T15	506	0	0	0
T16	492	0	0	0
T17	407	0	0	0
T18	614	0	0	0
T19	496	0	0	0
T20	422	0	0	0
T25	0	16	0	0
T28	619	0	0	0
T30	0	62	0	0
T31	0	58	0	0
T45	0	17	0	0
T57	0	12	0	0
T58	0	2	0	0
T63	422	0	0	0
T86	0	2	0	0

CntIncr_A

Name	Attempts	Real Successes	Failures	Incomplete
Total	7758203	88924	0	0
T2	510	21	0	0
T3	2489	0	0	0
T8	0	21	0	0
T13	0	21	0	0
T15	506	0	0	0
T16	492	0	0	0
T17	407	0	0	0
T18	614	0	0	0
T19	496	0	0	0
T20	422	0	0	0
T25	0	631	0	0
T28	619	0	0	0
T30	0	1375	0	0
T31	0	1533	0	0
T45	0	471	0	0
T57	0	334	0	0
T58	0	21	0	0
T63	422	0	0	0
T86	0	21	0	0

CntNoWrap_A

Name	Attempts	Real Successes	Failures	Incomplete
Total	7758203	7280788	0	0
T1	786	385	0	0
T2	510	107	0	0
T3	2489	2088	0	0
T4	425	24	0	0
T5	436	35	0	0
T6	528	127	0	0
T14	430	29	0	0
T15	506	105	0	0
T16	492	91	0	0
T17	407	6	0	0

DetectStDropOut_A

Name	Attempts	Real Successes	Failures	Incomplete
Total	7758203	472	0	0
T10	478	0	0	0
T25	7314	1	0	0
T30	0	15	0	0
T31	0	29	0	0
T39	0	1	0	0
T40	0	3	0	0
T45	0	1	0	0
T57	0	4	0	0
T58	462	0	0	0
T59	639	0	0	0
T74	495	0	0	0
T75	491	0	0	0
T80	513	0	0	0
T81	524	0	0	0
T88	0	26	0	0
T90	447	0	0	0
T91	4402	0	0	0
T247	0	17	0	0
T248	0	12	0	0

DetectedOut_A

Name	Attempts	Real Successes	Failures	Incomplete
Total	7758203	61031	0	0
T2	510	84	0	0
T3	2489	0	0	0
T8	0	79	0	0
T13	0	80	0	0
T15	506	0	0	0
T16	492	0	0	0
T17	407	0	0	0
T18	614	0	0	0
T19	496	0	0	0
T20	422	0	0	0
T25	0	329	0	0
T28	619	0	0	0
T45	0	411	0	0
T58	0	36	0	0
T63	422	0	0	0
T86	0	77	0	0
T87	0	769	0	0
T100	0	2336	0	0
T249	0	1839	0	0

DetectedPulseOut_A

Name	Attempts	Real Successes	Failures	Incomplete
Total	7758203	716	0	0
T2	510	1	0	0
T3	2489	0	0	0
T8	0	1	0	0
T13	0	1	0	0
T15	506	0	0	0
T16	492	0	0	0
T17	407	0	0	0
T18	614	0	0	0
T19	496	0	0	0
T20	422	0	0	0
T25	0	5	0	0
T28	619	0	0	0
T45	0	5	0	0
T58	0	1	0	0
T63	422	0	0	0
T86	0	1	0	0
T87	0	12	0	0
T100	0	11	0	0
T249	0	15	0	0

DisabledIdleSt_A

Name	Attempts	Real Successes	Failures	Incomplete
Total	7758203	6851862	0	0
T1	786	385	0	0
T2	510	4	0	0
T3	2489	2088	0	0
T4	425	24	0	0
T5	436	35	0	0
T6	528	127	0	0
T14	430	29	0	0
T15	506	105	0	0
T16	492	91	0	0
T17	407	6	0	0

DisabledNoDetection_A

Name	Attempts	Real Successes	Failures	Incomplete
Total	7758203	6853591	0	0
T1	786	386	0	0
T2	510	4	0	0
T3	2489	2089	0	0
T4	425	25	0	0
T5	436	36	0	0
T6	528	128	0	0
T14	430	30	0	0
T15	506	106	0	0
T16	492	92	0	0
T17	407	7	0	0

EnterDebounceSt_A

Name	Attempts	Real Successes	Failures	Incomplete
Total	7758203	1406	0	0
T2	510	1	0	0
T3	2489	0	0	0
T8	0	1	0	0
T13	0	1	0	0
T15	506	0	0	0
T16	492	0	0	0
T17	407	0	0	0
T18	614	0	0	0
T19	496	0	0	0
T20	422	0	0	0
T25	0	9	0	0
T28	619	0	0	0
T30	0	31	0	0
T31	0	29	0	0
T45	0	10	0	0
T57	0	6	0	0
T58	0	1	0	0
T63	422	0	0	0
T86	0	1	0	0

EnterDetectSt_A

Name	Attempts	Real Successes	Failures	Incomplete
Total	7758203	1369	0	0
T2	510	1	0	0
T3	2489	0	0	0
T8	0	1	0	0
T13	0	1	0	0
T15	506	0	0	0
T16	492	0	0	0
T17	407	0	0	0
T18	614	0	0	0
T19	496	0	0	0
T20	422	0	0	0
T25	0	7	0	0
T28	619	0	0	0
T30	0	31	0	0
T31	0	29	0	0
T45	0	7	0	0
T57	0	6	0	0
T58	0	1	0	0
T63	422	0	0	0
T86	0	1	0	0

EnterStableSt_A

Name	Attempts	Real Successes	Failures	Incomplete
Total	7758203	716	0	0
T2	510	1	0	0
T3	2489	0	0	0
T8	0	1	0	0
T13	0	1	0	0
T15	506	0	0	0
T16	492	0	0	0
T17	407	0	0	0
T18	614	0	0	0
T19	496	0	0	0
T20	422	0	0	0
T25	0	5	0	0
T28	619	0	0	0
T45	0	5	0	0
T58	0	1	0	0
T63	422	0	0	0
T86	0	1	0	0
T87	0	12	0	0
T100	0	11	0	0
T249	0	15	0	0

PulseIsPulse_A

Name	Attempts	Real Successes	Failures	Incomplete
Total	7758203	716	0	0
T2	510	1	0	0
T3	2489	0	0	0
T8	0	1	0	0
T13	0	1	0	0
T15	506	0	0	0
T16	492	0	0	0
T17	407	0	0	0
T18	614	0	0	0
T19	496	0	0	0
T20	422	0	0	0
T25	0	5	0	0
T28	619	0	0	0
T45	0	5	0	0
T58	0	1	0	0
T63	422	0	0	0
T86	0	1	0	0
T87	0	12	0	0
T100	0	11	0	0
T249	0	15	0	0

StayInStableSt

Name	Attempts	Real Successes	Failures	Incomplete
Total	7758203	60220	0	0
T2	510	82	0	0
T3	2489	0	0	0
T8	0	77	0	0
T13	0	78	0	0
T15	506	0	0	0
T16	492	0	0	0
T17	407	0	0	0
T18	614	0	0	0
T19	496	0	0	0
T20	422	0	0	0
T25	0	324	0	0
T28	619	0	0	0
T45	0	406	0	0
T58	0	34	0	0
T63	422	0	0	0
T86	0	75	0	0
T87	0	757	0	0
T100	0	2324	0	0
T249	0	1824	0	0

gen_high_event_sva.HighLevelEvent_A

Name	Attempts	Real Successes	Failures	Incomplete
Total	7758203	7285475	0	0
T1	786	386	0	0
T2	510	110	0	0
T3	2489	2089	0	0
T4	425	25	0	0
T5	436	36	0	0
T6	528	128	0	0
T14	430	30	0	0
T15	506	106	0	0
T16	492	92	0	0
T17	407	7	0	0

gen_high_level_sva.HighLevelEvent_A

Name	Attempts	Real Successes	Failures	Incomplete
Total	7758203	7285475	0	0
T1	786	386	0	0
T2	510	110	0	0
T3	2489	2089	0	0
T4	425	25	0	0
T5	436	36	0	0
T6	528	128	0	0
T14	430	30	0	0
T15	506	106	0	0
T16	492	92	0	0
T17	407	7	0	0

gen_not_sticky_sva.StableStDropOut_A

Name	Attempts	Real Successes	Failures	Incomplete
Total	7758203	611	0	0
T10	478	0	0	0
T25	7314	4	0	0
T45	0	4	0	0
T58	462	0	0	0
T59	639	0	0	0
T74	495	0	0	0
T75	491	0	0	0
T80	513	0	0	0
T81	524	0	0	0
T87	0	12	0	0
T90	447	0	0	0
T91	4402	0	0	0
T100	0	10	0	0
T249	0	15	0	0
T250	0	8	0	0
T251	0	14	0	0
T252	0	16	0	0
T253	0	16	0	0
T254	0	30	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:       T5 T2 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:       T4 T5 T6 
70         1/1                  trigger_active_q <= 1'b0;
           Tests:       T4 T5 T6 
71                            end else begin
72         1/1                  trigger_active_q <= trigger_active;
           Tests:       T4 T5 T6 
73                            end
74                          end
75                      
76         1/1              assign trigger_event = trigger_active & ~trigger_active_q;
           Tests:       T4 T5 T6 
77                        // In case of level events, the event is equal to the level being active.
78                        end else begin : gen_trigger_event_level
79                          assign trigger_event = trigger_active;
80                        end
81                      
82                        /////////////////
83                        // Timer Logic //
84                        /////////////////
85                      
86                        // Take the maximum width of both timer values.
87                        localparam int unsigned TimerWidth =
88                            (DetectTimerWidth > DebounceTimerWidth) ? DetectTimerWidth : DebounceTimerWidth;
89                      
90                        logic cnt_en, cnt_clr;
91                        logic [TimerWidth-1:0] cnt_d, cnt_q;
92         1/1            assign cnt_d = (cnt_clr) ? '0           :
           Tests:       T5 T2 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:       T5 T1 T2 
100                                                      TimerWidth'(cfg_debounce_timer_i);
101        1/1            assign cnt_done = (cnt_q >= thresh);
           Tests:       T5 T1 T2 
102                     
103                       always_ff @(posedge clk_i or negedge rst_ni) begin : p_cnt_reg
104        1/1              if (!rst_ni) begin
           Tests:       T4 T5 T6 
105        1/1                cnt_q <= '0;
           Tests:       T4 T5 T6 
106                         end else begin
107        1/1                cnt_q <= cnt_d;
           Tests:       T4 T5 T6 
108                         end
109                       end
110                     
111                       /////////
112                       // FSM //
113                       /////////
114                     
115                       typedef enum logic [1:0] {
116                         IdleSt,
117                         DebounceSt,
118                         DetectSt,
119                         StableSt
120                       } state_t;
121                     
122                       state_t state_d, state_q;
123                     
124                       always_comb begin : p_fsm
125        1/1              state_d = state_q;
           Tests:       T4 T5 T6 
126                     
127                         // Counter controls (clear has priority).
128        1/1              cnt_clr = 1'b0;
           Tests:       T4 T5 T6 
129        1/1              cnt_en = 1'b0;
           Tests:       T4 T5 T6 
130                     
131                         // Detected outputs
132        1/1              event_detected_o = 1'b0;
           Tests:       T4 T5 T6 
133        1/1              event_detected_pulse_o = 1'b0;
           Tests:       T4 T5 T6 
134                     
135                         // Threshold select
136                         // 0: debounce
137                         // 1: detect
138        1/1              thresh_sel = 1'b0;
           Tests:       T4 T5 T6 
139                     
140        1/1              unique case (state_q)
           Tests:       T4 T5 T6 
141                           ////////////////////////////////////////////
142                           // We are waiting for the event to occur.
143                           // This can be either a specific level or edge,
144                           // depending on the configuration.
145                           IdleSt: begin
146                             // Stay here if the detector is disabled.
147        1/1                  if (trigger_event && cfg_enable_i) begin
           Tests:       T4 T5 T6 
148        1/1                    state_d = DebounceSt;
           Tests:       T5 T2 T32 
149        1/1                    cnt_en = 1'b1;
           Tests:       T5 T2 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:       T5 T2 T32 
161                             // Unconditionally go back to idle if the detector is disabled.
162        1/1                  if (!cfg_enable_i) begin
           Tests:       T5 T2 T32 
163        1/1                    state_d = IdleSt;
           Tests:       T25 T45 
164        1/1                    cnt_clr = 1'b1;
           Tests:       T25 T45 
165        1/1                  end else if (cnt_done) begin
           Tests:       T5 T2 T32 
166        1/1                    cnt_clr = 1'b1;
           Tests:       T5 T2 T32 
167        1/1                    if (trigger_active) begin
           Tests:       T5 T2 T32 
168        1/1                      state_d = DetectSt;
           Tests:       T2 T8 T25 
169                               end else begin
170        1/1                      state_d = IdleSt;
           Tests:       T5 T32 T58 
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:       T2 T8 T25 
182        1/1                  cnt_en = 1'b1;
           Tests:       T2 T8 T25 
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:       T2 T8 T25 
186        1/1                    state_d = IdleSt;
           Tests:       T25 T45 T44 
187        1/1                    cnt_clr = 1'b1;
           Tests:       T25 T45 T44 
188                             // If the trigger is active, count up.
189                             end else begin
190        1/1                    if (cnt_done) begin
           Tests:       T2 T8 T25 
191        1/1                      state_d = StableSt;
           Tests:       T2 T8 T25 
192        1/1                      cnt_clr = 1'b1;
           Tests:       T2 T8 T25 
193        1/1                      event_detected_o = 1'b1;
           Tests:       T2 T8 T25 
194        1/1                      event_detected_pulse_o = 1'b1;
           Tests:       T2 T8 T25 
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:       T2 T8 T25 
206        1/1                    state_d = IdleSt;
           Tests:       T2 T8 T25 
207                             // Otherwise keep the event detected output signal high.
208                             end else begin
209        1/1                    event_detected_o = 1'b1;
           Tests:       T2 T8 T25 
210                             end
211                           end
212                           ////////////////////////////////////////////
213                           // This is a full case statement
214                           default: ;
Exclude Annotation: VC_COV_UNR
215                         endcase // state_q
216                       end
217                     
218                       always_ff @(posedge clk_i or negedge rst_ni) begin : p_fsm_reg
219        1/1              if (!rst_ni) begin
           Tests:       T4 T5 T6 
220        1/1                state_q <= IdleSt;
           Tests:       T4 T5 T6 
221                         end else begin
222        1/1                state_q <= state_d;
           Tests:       T4 T5 T6 

---

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

	Total	Covered	Percent
Conditions	21	20	95.24
Logical	21	20	95.24
Non-Logical	0	0
Event	0	0

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

-1-	Status	Tests
0	Covered	T5,T2,T32
1	Covered	T4,T5,T6

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

-1-	-2-	Status	Tests
0	1	Covered	T5,T2,T32
1	0	Covered	T4,T5,T6
1	1	Covered	T4,T5,T6

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

-1-	Status	Tests
0	Covered	T4,T5,T6
1	Covered	T5,T2,T32

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

-1-	Status	Tests	Exclude Annotation
0	Excluded	T4,T5,T6	VC_COV_UNR
1	Covered	T5,T2,T32

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

-1-	Status	Tests
0	Covered	T4,T5,T6
1	Covered	T2,T8,T25

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

-1-	-2-	Status	Tests
0	1	Covered	T5,T2,T32
1	0	Covered	T66,T26,T70
1	1	Covered	T5,T2,T32

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

-1-	-2-	Status	Tests
0	0	Covered	T2,T8,T25
0	1	Covered	T45,T44,T48
1	0	Covered	T25,T45

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

-1-	-2-	Status	Tests
0	0	Covered	T2,T8,T25
0	1	Covered	T2,T8,T25
1	0	Not Covered

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

-1-	-2-	Status	Tests
0	-	Covered	T2,T8,T25
1	-	Covered	T2,T8,T25

---

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	T5,T2,T32
DetectSt	168	Covered	T2,T8,T25
IdleSt	163	Covered	T4,T5,T6
StableSt	191	Covered	T2,T8,T25

transitions	Line No.	Covered	Tests
DebounceSt->DetectSt	168	Covered	T2,T8,T25
DebounceSt->IdleSt	163	Covered	T5,T32,T25
DetectSt->IdleSt	186	Covered	T25,T45,T44
DetectSt->StableSt	191	Covered	T2,T8,T25
IdleSt->DebounceSt	148	Covered	T5,T2,T32
StableSt->IdleSt	206	Covered	T2,T8,T25

---

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

	Line No.	Total	Covered	Percent
Branches		21	21	100.00
TERNARY	92	2	2	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-  
                                      ==>  
                                      ==> (Excluded)  

Branches:

-1-	-2-	Status	Tests	Exclude Annotation
1	-	Covered	T5,T2,T32
0	1	Covered	T5,T2,T32
0	0	Excluded	T4,T5,T6	VC_COV_UNR

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

Branches:

-1-	Status	Tests
1	Covered	T2,T8,T25
0	Covered	T4,T5,T6

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

Branches:

-1-	Status	Tests
1	Covered	T4,T5,T6
0	Covered	T4,T5,T6

140            unique case (state_q)
                      -1-  
141              ////////////////////////////////////////////
142              // We are waiting for the event to occur.
143              // This can be either a specific level or edge,
144              // depending on the configuration.
145              IdleSt: begin
146                // Stay here if the detector is disabled.
147                if (trigger_event && cfg_enable_i) begin
                   -2-  
148                  state_d = DebounceSt;
                     ==>
149                  cnt_en = 1'b1;
150                end
                   MISSING_ELSE
                   ==>
151              end
152              ////////////////////////////////////////////
153              // If an event has occurred, we back off for
154              // the amount of debounce cycles configured.
155              // Once the timer has expired, we sample the
156              // signal again and check whether it has the
157              // correct level. If so, we move on to the
158              // detection stage, otherwise we fall back.
159              DebounceSt: begin
160                cnt_en = 1'b1;
161                // Unconditionally go back to idle if the detector is disabled.
162                if (!cfg_enable_i) begin
                   -3-  
163                  state_d = IdleSt;
                     ==>
164                  cnt_clr = 1'b1;
165                end else if (cnt_done) begin
                            -4-  
166                  cnt_clr = 1'b1;
167                  if (trigger_active) begin
                     -5-  
168                    state_d = DetectSt;
                       ==>
169                  end else begin
170                    state_d = IdleSt;
                       ==>
171                  end
172                end
                   MISSING_ELSE
                   ==>
173              end
174              ////////////////////////////////////////////
175              // Once the debounce period has passed, we
176              // check whether the signal remains stable
177              // throughout the entire detection period.
178              // If it is not stable at any cycle, we fall
179              // back to idle.
180              DetectSt: begin
181                thresh_sel = 1'b1;
182                cnt_en = 1'b1;
183                // Go back to idle if either the trigger level is not active anymore, or if the
184                // detector is disabled.
185                if (!cfg_enable_i || !trigger_active) begin
                   -6-  
186                  state_d = IdleSt;
                     ==>
187                  cnt_clr = 1'b1;
188                // If the trigger is active, count up.
189                end else begin
190                  if (cnt_done) begin
                     -7-  
191                    state_d = StableSt;
                       ==>
192                    cnt_clr = 1'b1;
193                    event_detected_o = 1'b1;
194                    event_detected_pulse_o = 1'b1;
195                  end
                     MISSING_ELSE
                     ==>
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	T5,T2,T32
IdleSt	0	-	-	-	-	-	-	Covered	T4,T5,T6
DebounceSt	-	1	-	-	-	-	-	Covered	T25,T45
DebounceSt	-	0	1	1	-	-	-	Covered	T2,T8,T25
DebounceSt	-	0	1	0	-	-	-	Covered	T5,T32,T58
DebounceSt	-	0	0	-	-	-	-	Covered	T5,T2,T32
DetectSt	-	-	-	-	1	-	-	Covered	T25,T45,T44
DetectSt	-	-	-	-	0	1	-	Covered	T2,T8,T25
DetectSt	-	-	-	-	0	0	-	Covered	T2,T8,T25
StableSt	-	-	-	-	-	-	1	Covered	T2,T8,T25
StableSt	-	-	-	-	-	-	0	Covered	T2,T8,T25
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	T4,T5,T6
0	Covered	T4,T5,T6

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

Branches:

-1-	Status	Tests
1	Covered	T4,T5,T6
0	Covered	T4,T5,T6

---

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	7758203	832	0	0
CntIncr_A	7758203	42919	0	0
CntNoWrap_A	7758203	7282730	0	0
DetectStDropOut_A	7758203	84	0	0
DetectedOut_A	7758203	14197	0	0
DetectedPulseOut_A	7758203	297	0	0
DisabledIdleSt_A	7758203	6957627	0	0
DisabledNoDetection_A	7758203	6958919	0	0
EnterDebounceSt_A	7758203	448	0	0
EnterDetectSt_A	7758203	385	0	0
EnterStableSt_A	7758203	297	0	0
PulseIsPulse_A	7758203	297	0	0
StayInStableSt	7758203	13863	0	0
gen_high_level_sva.HighLevelEvent_A	7758203	7285475	0	0
gen_not_sticky_sva.StableStDropOut_A	7758203	260	0	0

CntClr_A

Name	Attempts	Real Successes	Failures	Incomplete
Total	7758203	832	0	0
T1	786	0	0	0
T2	510	2	0	0
T3	2489	0	0	0
T5	436	1	0	0
T6	528	0	0	0
T8	0	2	0	0
T10	0	2	0	0
T12	0	2	0	0
T13	0	2	0	0
T14	430	0	0	0
T15	506	0	0	0
T16	492	0	0	0
T17	407	0	0	0
T18	614	0	0	0
T25	0	8	0	0
T32	0	1	0	0
T58	0	1	0	0
T103	0	1	0	0

CntIncr_A

Name	Attempts	Real Successes	Failures	Incomplete
Total	7758203	42919	0	0
T1	786	0	0	0
T2	510	25	0	0
T3	2489	0	0	0
T5	436	20	0	0
T6	528	0	0	0
T8	0	25	0	0
T10	0	25	0	0
T12	0	88	0	0
T13	0	25	0	0
T14	430	0	0	0
T15	506	0	0	0
T16	492	0	0	0
T17	407	0	0	0
T18	614	0	0	0
T25	0	184	0	0
T32	0	20	0	0
T58	0	20	0	0
T103	0	20	0	0

CntNoWrap_A

Name	Attempts	Real Successes	Failures	Incomplete
Total	7758203	7282730	0	0
T1	786	385	0	0
T2	510	107	0	0
T3	2489	2088	0	0
T4	425	24	0	0
T5	436	34	0	0
T6	528	127	0	0
T14	430	29	0	0
T15	506	105	0	0
T16	492	91	0	0
T17	407	6	0	0

DetectStDropOut_A

Name	Attempts	Real Successes	Failures	Incomplete
Total	7758203	84	0	0
T41	6177	0	0	0
T44	0	10	0	0
T45	6987	1	0	0
T48	0	1	0	0
T51	8239	0	0	0
T78	494	0	0	0
T104	0	9	0	0
T105	0	3	0	0
T106	0	5	0	0
T107	0	7	0	0
T108	0	2	0	0
T109	0	2	0	0
T110	0	2	0	0
T114	1908	0	0	0
T115	408	0	0	0
T116	421	0	0	0
T117	504	0	0	0
T118	526	0	0	0
T119	448	0	0	0

DetectedOut_A

Name	Attempts	Real Successes	Failures	Incomplete
Total	7758203	14197	0	0
T2	510	3	0	0
T3	2489	0	0	0
T8	0	4	0	0
T10	0	4	0	0
T12	0	36	0	0
T13	0	4	0	0
T15	506	0	0	0
T16	492	0	0	0
T17	407	0	0	0
T18	614	0	0	0
T19	496	0	0	0
T20	422	0	0	0
T25	0	73	0	0
T28	619	0	0	0
T41	0	533	0	0
T45	0	86	0	0
T63	422	0	0	0
T86	0	3	0	0
T127	0	4	0	0

DetectedPulseOut_A

Name	Attempts	Real Successes	Failures	Incomplete
Total	7758203	297	0	0
T2	510	1	0	0
T3	2489	0	0	0
T8	0	1	0	0
T10	0	1	0	0
T12	0	1	0	0
T13	0	1	0	0
T15	506	0	0	0
T16	492	0	0	0
T17	407	0	0	0
T18	614	0	0	0
T19	496	0	0	0
T20	422	0	0	0
T25	0	1	0	0
T28	619	0	0	0
T41	0	10	0	0
T45	0	1	0	0
T63	422	0	0	0
T86	0	1	0	0
T127	0	1	0	0

DisabledIdleSt_A

Name	Attempts	Real Successes	Failures	Incomplete
Total	7758203	6957627	0	0
T1	786	385	0	0
T2	510	26	0	0
T3	2489	2088	0	0
T4	425	24	0	0
T5	436	4	0	0
T6	528	127	0	0
T14	430	29	0	0
T15	506	105	0	0
T16	492	91	0	0
T17	407	6	0	0

DisabledNoDetection_A

Name	Attempts	Real Successes	Failures	Incomplete
Total	7758203	6958919	0	0
T1	786	386	0	0
T2	510	26	0	0
T3	2489	2089	0	0
T4	425	25	0	0
T5	436	4	0	0
T6	528	128	0	0
T14	430	30	0	0
T15	506	106	0	0
T16	492	92	0	0
T17	407	7	0	0

EnterDebounceSt_A

Name	Attempts	Real Successes	Failures	Incomplete
Total	7758203	448	0	0
T1	786	0	0	0
T2	510	1	0	0
T3	2489	0	0	0
T5	436	1	0	0
T6	528	0	0	0
T8	0	1	0	0
T10	0	1	0	0
T12	0	1	0	0
T13	0	1	0	0
T14	430	0	0	0
T15	506	0	0	0
T16	492	0	0	0
T17	407	0	0	0
T18	614	0	0	0
T25	0	5	0	0
T32	0	1	0	0
T58	0	1	0	0
T103	0	1	0	0

EnterDetectSt_A

Name	Attempts	Real Successes	Failures	Incomplete
Total	7758203	385	0	0
T2	510	1	0	0
T3	2489	0	0	0
T8	0	1	0	0
T10	0	1	0	0
T12	0	1	0	0
T13	0	1	0	0
T15	506	0	0	0
T16	492	0	0	0
T17	407	0	0	0
T18	614	0	0	0
T19	496	0	0	0
T20	422	0	0	0
T25	0	3	0	0
T28	619	0	0	0
T41	0	10	0	0
T45	0	3	0	0
T63	422	0	0	0
T86	0	1	0	0
T127	0	1	0	0

EnterStableSt_A

Name	Attempts	Real Successes	Failures	Incomplete
Total	7758203	297	0	0
T2	510	1	0	0
T3	2489	0	0	0
T8	0	1	0	0
T10	0	1	0	0
T12	0	1	0	0
T13	0	1	0	0
T15	506	0	0	0
T16	492	0	0	0
T17	407	0	0	0
T18	614	0	0	0
T19	496	0	0	0
T20	422	0	0	0
T25	0	1	0	0
T28	619	0	0	0
T41	0	10	0	0
T45	0	1	0	0
T63	422	0	0	0
T86	0	1	0	0
T127	0	1	0	0

PulseIsPulse_A

Name	Attempts	Real Successes	Failures	Incomplete
Total	7758203	297	0	0
T2	510	1	0	0
T3	2489	0	0	0
T8	0	1	0	0
T10	0	1	0	0
T12	0	1	0	0
T13	0	1	0	0
T15	506	0	0	0
T16	492	0	0	0
T17	407	0	0	0
T18	614	0	0	0
T19	496	0	0	0
T20	422	0	0	0
T25	0	1	0	0
T28	619	0	0	0
T41	0	10	0	0
T45	0	1	0	0
T63	422	0	0	0
T86	0	1	0	0
T127	0	1	0	0

StayInStableSt

Name	Attempts	Real Successes	Failures	Incomplete
Total	7758203	13863	0	0
T2	510	2	0	0
T3	2489	0	0	0
T8	0	3	0	0
T10	0	3	0	0
T12	0	35	0	0
T13	0	3	0	0
T15	506	0	0	0
T16	492	0	0	0
T17	407	0	0	0
T18	614	0	0	0
T19	496	0	0	0
T20	422	0	0	0
T25	0	72	0	0
T28	619	0	0	0
T41	0	523	0	0
T45	0	85	0	0
T63	422	0	0	0
T86	0	2	0	0
T127	0	3	0	0

gen_high_level_sva.HighLevelEvent_A

Name	Attempts	Real Successes	Failures	Incomplete
Total	7758203	7285475	0	0
T1	786	386	0	0
T2	510	110	0	0
T3	2489	2089	0	0
T4	425	25	0	0
T5	436	36	0	0
T6	528	128	0	0
T14	430	30	0	0
T15	506	106	0	0
T16	492	92	0	0
T17	407	7	0	0

gen_not_sticky_sva.StableStDropOut_A

Name	Attempts	Real Successes	Failures	Incomplete
Total	7758203	260	0	0
T2	510	1	0	0
T3	2489	0	0	0
T8	0	1	0	0
T10	0	1	0	0
T12	0	1	0	0
T13	0	1	0	0
T15	506	0	0	0
T16	492	0	0	0
T17	407	0	0	0
T18	614	0	0	0
T19	496	0	0	0
T20	422	0	0	0
T25	0	1	0	0
T28	619	0	0	0
T41	0	10	0	0
T45	0	1	0	0
T63	422	0	0	0
T86	0	1	0	0
T127	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:       T25 T30 T31 
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:       T25 T30 T31 
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:       T25 T30 T31 
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:       T5 T1 T2 
100                                                      TimerWidth'(cfg_debounce_timer_i);
101        1/1            assign cnt_done = (cnt_q >= thresh);
           Tests:       T5 T1 T2 
102                     
103                       always_ff @(posedge clk_i or negedge rst_ni) begin : p_cnt_reg
104        1/1              if (!rst_ni) begin
           Tests:       T4 T5 T6 
105        1/1                cnt_q <= '0;
           Tests:       T4 T5 T6 
106                         end else begin
107        1/1                cnt_q <= cnt_d;
           Tests:       T4 T5 T6 
108                         end
109                       end
110                     
111                       /////////
112                       // FSM //
113                       /////////
114                     
115                       typedef enum logic [1:0] {
116                         IdleSt,
117                         DebounceSt,
118                         DetectSt,
119                         StableSt
120                       } state_t;
121                     
122                       state_t state_d, state_q;
123                     
124                       always_comb begin : p_fsm
125        1/1              state_d = state_q;
           Tests:       T25 T30 T31 
126                     
127                         // Counter controls (clear has priority).
128        1/1              cnt_clr = 1'b0;
           Tests:       T25 T30 T31 
129        1/1              cnt_en = 1'b0;
           Tests:       T25 T30 T31 
130                     
131                         // Detected outputs
132        1/1              event_detected_o = 1'b0;
           Tests:       T25 T30 T31 
133        1/1              event_detected_pulse_o = 1'b0;
           Tests:       T25 T30 T31 
134                     
135                         // Threshold select
136                         // 0: debounce
137                         // 1: detect
138        1/1              thresh_sel = 1'b0;
           Tests:       T25 T30 T31 
139                     
140        1/1              unique case (state_q)
           Tests:       T25 T30 T31 
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:       T25 T30 T31 
148        1/1                    state_d = DebounceSt;
           Tests:       T25 T30 T31 
149        1/1                    cnt_en = 1'b1;
           Tests:       T25 T30 T31 
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:       T25 T30 T31 
161                             // Unconditionally go back to idle if the detector is disabled.
162        1/1                  if (!cfg_enable_i) begin
           Tests:       T25 T30 T31 
163        1/1                    state_d = IdleSt;
           Tests:       T25 T45 
164        1/1                    cnt_clr = 1'b1;
           Tests:       T25 T45 
165        1/1                  end else if (cnt_done) begin
           Tests:       T25 T30 T31 
166        1/1                    cnt_clr = 1'b1;
           Tests:       T25 T30 T31 
167        1/1                    if (trigger_active) begin
           Tests:       T25 T30 T31 
168        1/1                      state_d = DetectSt;
           Tests:       T25 T30 T31 
169                               end else begin
170        1/1                      state_d = IdleSt;
           Tests:       T25 T45 T97 
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:       T25 T30 T31 
182        1/1                  cnt_en = 1'b1;
           Tests:       T25 T30 T31 
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:       T25 T30 T31 
186        1/1                    state_d = IdleSt;
           Tests:       T25 T31 T45 
187        1/1                    cnt_clr = 1'b1;
           Tests:       T25 T31 T45 
188                             // If the trigger is active, count up.
189                             end else begin
190        1/1                    if (cnt_done) begin
           Tests:       T25 T30 T31 
191        1/1                      state_d = StableSt;
           Tests:       T25 T30 T45 
192        1/1                      cnt_clr = 1'b1;
           Tests:       T25 T30 T45 
193        1/1                      event_detected_o = 1'b1;
           Tests:       T25 T30 T45 
194        1/1                      event_detected_pulse_o = 1'b1;
           Tests:       T25 T30 T45 
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:       T25 T30 T45 
206        1/1                    state_d = IdleSt;
           Tests:       T25 T30 T45 
207                             // Otherwise keep the event detected output signal high.
208                             end else begin
209        1/1                    event_detected_o = 1'b1;
           Tests:       T25 T30 T45 
210                             end
211                           end
212                           ////////////////////////////////////////////
213                           // This is a full case statement
214                           default: ;
215                         endcase // state_q
216                       end
217                     
218                       always_ff @(posedge clk_i or negedge rst_ni) begin : p_fsm_reg
219        1/1              if (!rst_ni) begin
           Tests:       T4 T5 T6 
220        1/1                state_q <= IdleSt;
           Tests:       T4 T5 T6 
221                         end else begin
222        1/1                state_q <= state_d;
           Tests:       T4 T5 T6 

---

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

	Total	Covered	Percent
Conditions	19	18	94.74
Logical	19	18	94.74
Non-Logical	0	0
Event	0	0

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

-1-	Status	Tests
0	Covered	T25,T30,T31
1	Covered	T4,T5,T6

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

-1-	Status	Tests
0	Covered	T4,T5,T6
1	Covered	T25,T30,T31

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

-1-	Status	Tests
0	Covered	T4,T5,T6
1	Covered	T25,T30,T31

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

-1-	Status	Tests
0	Covered	T4,T5,T6
1	Covered	T25,T30,T31

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

-1-	-2-	Status	Tests
0	1	Covered	T25,T30,T31
1	0	Covered	T25,T30,T45
1	1	Covered	T25,T30,T31

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

-1-	-2-	Status	Tests
0	0	Covered	T25,T30,T31
0	1	Covered	T25,T31,T45
1	0	Covered	T25,T45,T57

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

-1-	-2-	Status	Tests
0	0	Covered	T25,T30,T45
0	1	Covered	T25,T30,T45
1	0	Not Covered

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

-1-	-2-	Status	Tests
0	-	Covered	T25,T30,T45
1	-	Covered	T25,T30,T45

---

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	T25,T30,T31
DetectSt	168	Covered	T25,T30,T31
IdleSt	163	Covered	T4,T5,T6
StableSt	191	Covered	T25,T30,T45

transitions	Line No.	Covered	Tests
DebounceSt->DetectSt	168	Covered	T25,T30,T31
DebounceSt->IdleSt	163	Covered	T25,T45,T97
DetectSt->IdleSt	186	Covered	T25,T31,T45
DetectSt->StableSt	191	Covered	T25,T30,T45
IdleSt->DebounceSt	148	Covered	T25,T30,T31
StableSt->IdleSt	206	Covered	T25,T30,T45

---

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		21	20	95.24
TERNARY	92	3	3	100.00
TERNARY	99	2	2	100.00
IF	104	2	2	100.00
CASE	140	12	11	91.67
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	T25,T30,T31
0	1	Covered	T25,T30,T31
0	0	Covered	T4,T5,T6

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

Branches:

-1-	Status	Tests
1	Covered	T25,T30,T31
0	Covered	T4,T5,T6

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

Branches:

-1-	Status	Tests
1	Covered	T4,T5,T6
0	Covered	T4,T5,T6

140            unique case (state_q)
                      -1-  
141              ////////////////////////////////////////////
142              // We are waiting for the event to occur.
143              // This can be either a specific level or edge,
144              // depending on the configuration.
145              IdleSt: begin
146                // Stay here if the detector is disabled.
147                if (trigger_event && cfg_enable_i) begin
                   -2-  
148                  state_d = DebounceSt;
                     ==>
149                  cnt_en = 1'b1;
150                end
                   MISSING_ELSE
                   ==>
151              end
152              ////////////////////////////////////////////
153              // If an event has occurred, we back off for
154              // the amount of debounce cycles configured.
155              // Once the timer has expired, we sample the
156              // signal again and check whether it has the
157              // correct level. If so, we move on to the
158              // detection stage, otherwise we fall back.
159              DebounceSt: begin
160                cnt_en = 1'b1;
161                // Unconditionally go back to idle if the detector is disabled.
162                if (!cfg_enable_i) begin
                   -3-  
163                  state_d = IdleSt;
                     ==>
164                  cnt_clr = 1'b1;
165                end else if (cnt_done) begin
                            -4-  
166                  cnt_clr = 1'b1;
167                  if (trigger_active) begin
                     -5-  
168                    state_d = DetectSt;
                       ==>
169                  end else begin
170                    state_d = IdleSt;
                       ==>
171                  end
172                end
                   MISSING_ELSE
                   ==>
173              end
174              ////////////////////////////////////////////
175              // Once the debounce period has passed, we
176              // check whether the signal remains stable
177              // throughout the entire detection period.
178              // If it is not stable at any cycle, we fall
179              // back to idle.
180              DetectSt: begin
181                thresh_sel = 1'b1;
182                cnt_en = 1'b1;
183                // Go back to idle if either the trigger level is not active anymore, or if the
184                // detector is disabled.
185                if (!cfg_enable_i || !trigger_active) begin
                   -6-  
186                  state_d = IdleSt;
                     ==>
187                  cnt_clr = 1'b1;
188                // If the trigger is active, count up.
189                end else begin
190                  if (cnt_done) begin
                     -7-  
191                    state_d = StableSt;
                       ==>
192                    cnt_clr = 1'b1;
193                    event_detected_o = 1'b1;
194                    event_detected_pulse_o = 1'b1;
195                  end
                     MISSING_ELSE
                     ==>
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: ;
                 ==>

Branches:

-1-	-2-	-3-	-4-	-5-	-6-	-7-	-8-	Status	Tests
IdleSt	1	-	-	-	-	-	-	Covered	T25,T30,T31
IdleSt	0	-	-	-	-	-	-	Covered	T25,T30,T31
DebounceSt	-	1	-	-	-	-	-	Covered	T25,T45
DebounceSt	-	0	1	1	-	-	-	Covered	T25,T30,T31
DebounceSt	-	0	1	0	-	-	-	Covered	T25,T45,T97
DebounceSt	-	0	0	-	-	-	-	Covered	T25,T30,T31
DetectSt	-	-	-	-	1	-	-	Covered	T25,T31,T45
DetectSt	-	-	-	-	0	1	-	Covered	T25,T30,T45
DetectSt	-	-	-	-	0	0	-	Covered	T25,T30,T31
StableSt	-	-	-	-	-	-	1	Covered	T25,T30,T45
StableSt	-	-	-	-	-	-	0	Covered	T25,T30,T45
default	-	-	-	-	-	-	-	Not Covered

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

---

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	7758203	3094	0	0
CntIncr_A	7758203	100656	0	0
CntNoWrap_A	7758203	7280468	0	0
DetectStDropOut_A	7758203	526	0	0
DetectedOut_A	7758203	63177	0	0
DetectedPulseOut_A	7758203	801	0	0
DisabledIdleSt_A	7758203	6851679	0	0
DisabledNoDetection_A	7758203	6853423	0	0
EnterDebounceSt_A	7758203	1561	0	0
EnterDetectSt_A	7758203	1533	0	0
EnterStableSt_A	7758203	801	0	0
PulseIsPulse_A	7758203	801	0	0
StayInStableSt	7758203	62297	0	0
gen_high_event_sva.HighLevelEvent_A	7758203	7285475	0	0
gen_high_level_sva.HighLevelEvent_A	7758203	7285475	0	0
gen_not_sticky_sva.StableStDropOut_A	7758203	722	0	0

CntClr_A

Name	Attempts	Real Successes	Failures	Incomplete
Total	7758203	3094	0	0
T10	478	0	0	0
T25	7314	16	0	0
T30	0	20	0	0
T31	0	42	0	0
T39	0	10	0	0
T40	0	20	0	0
T45	0	16	0	0
T57	0	16	0	0
T58	462	0	0	0
T59	639	0	0	0
T74	495	0	0	0
T75	491	0	0	0
T80	513	0	0	0
T81	524	0	0	0
T87	0	52	0	0
T88	0	36	0	0
T89	0	56	0	0
T90	447	0	0	0
T91	4402	0	0	0

CntIncr_A

Name	Attempts	Real Successes	Failures	Incomplete
Total	7758203	100656	0	0
T10	478	0	0	0
T25	7314	442	0	0
T30	0	380	0	0
T31	0	1111	0	0
T39	0	370	0	0
T40	0	270	0	0
T45	0	463	0	0
T57	0	453	0	0
T58	462	0	0	0
T59	639	0	0	0
T74	495	0	0	0
T75	491	0	0	0
T80	513	0	0	0
T81	524	0	0	0
T87	0	1768	0	0
T88	0	977	0	0
T89	0	1960	0	0
T90	447	0	0	0
T91	4402	0	0	0

CntNoWrap_A

Name	Attempts	Real Successes	Failures	Incomplete
Total	7758203	7280468	0	0
T1	786	385	0	0
T2	510	109	0	0
T3	2489	2088	0	0
T4	425	24	0	0
T5	436	35	0	0
T6	528	127	0	0
T14	430	29	0	0
T15	506	105	0	0
T16	492	91	0	0
T17	407	6	0	0

DetectStDropOut_A

Name	Attempts	Real Successes	Failures	Incomplete
Total	7758203	526	0	0
T10	478	0	0	0
T25	7314	1	0	0
T31	0	21	0	0
T45	0	1	0	0
T58	462	0	0	0
T59	639	0	0	0
T74	495	0	0	0
T75	491	0	0	0
T80	513	0	0	0
T81	524	0	0	0
T88	0	18	0	0
T90	447	0	0	0
T91	4402	0	0	0
T247	0	27	0	0
T248	0	26	0	0
T253	0	18	0	0
T254	0	13	0	0
T255	0	27	0	0
T256	0	5	0	0

DetectedOut_A

Name	Attempts	Real Successes	Failures	Incomplete
Total	7758203	63177	0	0
T10	478	0	0	0
T25	7314	335	0	0
T30	0	82	0	0
T39	0	694	0	0
T40	0	1079	0	0
T45	0	390	0	0
T58	462	0	0	0
T59	639	0	0	0
T74	495	0	0	0
T75	491	0	0	0
T80	513	0	0	0
T81	524	0	0	0
T87	0	2065	0	0
T89	0	2111	0	0
T90	447	0	0	0
T91	4402	0	0	0
T250	0	1249	0	0
T257	0	1862	0	0
T258	0	1594	0	0

DetectedPulseOut_A

Name	Attempts	Real Successes	Failures	Incomplete
Total	7758203	801	0	0
T10	478	0	0	0
T25	7314	5	0	0
T30	0	10	0	0
T39	0	5	0	0
T40	0	10	0	0
T45	0	5	0	0
T58	462	0	0	0
T59	639	0	0	0
T74	495	0	0	0
T75	491	0	0	0
T80	513	0	0	0
T81	524	0	0	0
T87	0	26	0	0
T89	0	28	0	0
T90	447	0	0	0
T91	4402	0	0	0
T250	0	11	0	0
T257	0	13	0	0
T258	0	27	0	0

DisabledIdleSt_A

Name	Attempts	Real Successes	Failures	Incomplete
Total	7758203	6851679	0	0
T1	786	385	0	0
T2	510	109	0	0
T3	2489	2088	0	0
T4	425	24	0	0
T5	436	35	0	0
T6	528	127	0	0
T14	430	29	0	0
T15	506	105	0	0
T16	492	91	0	0
T17	407	6	0	0

DisabledNoDetection_A

Name	Attempts	Real Successes	Failures	Incomplete
Total	7758203	6853423	0	0
T1	786	386	0	0
T2	510	110	0	0
T3	2489	2089	0	0
T4	425	25	0	0
T5	436	36	0	0
T6	528	128	0	0
T14	430	30	0	0
T15	506	106	0	0
T16	492	92	0	0
T17	407	7	0	0

EnterDebounceSt_A

Name	Attempts	Real Successes	Failures	Incomplete
Total	7758203	1561	0	0
T10	478	0	0	0
T25	7314	9	0	0
T30	0	10	0	0
T31	0	21	0	0
T39	0	5	0	0
T40	0	10	0	0
T45	0	9	0	0
T57	0	8	0	0
T58	462	0	0	0
T59	639	0	0	0
T74	495	0	0	0
T75	491	0	0	0
T80	513	0	0	0
T81	524	0	0	0
T87	0	26	0	0
T88	0	18	0	0
T89	0	28	0	0
T90	447	0	0	0
T91	4402	0	0	0

EnterDetectSt_A

Name	Attempts	Real Successes	Failures	Incomplete
Total	7758203	1533	0	0
T10	478	0	0	0
T25	7314	7	0	0
T30	0	10	0	0
T31	0	21	0	0
T39	0	5	0	0
T40	0	10	0	0
T45	0	7	0	0
T57	0	8	0	0
T58	462	0	0	0
T59	639	0	0	0
T74	495	0	0	0
T75	491	0	0	0
T80	513	0	0	0
T81	524	0	0	0
T87	0	26	0	0
T88	0	18	0	0
T89	0	28	0	0
T90	447	0	0	0
T91	4402	0	0	0

EnterStableSt_A

Name	Attempts	Real Successes	Failures	Incomplete
Total	7758203	801	0	0
T10	478	0	0	0
T25	7314	5	0	0
T30	0	10	0	0
T39	0	5	0	0
T40	0	10	0	0
T45	0	5	0	0
T58	462	0	0	0
T59	639	0	0	0
T74	495	0	0	0
T75	491	0	0	0
T80	513	0	0	0
T81	524	0	0	0
T87	0	26	0	0
T89	0	28	0	0
T90	447	0	0	0
T91	4402	0	0	0
T250	0	11	0	0
T257	0	13	0	0
T258	0	27	0	0

PulseIsPulse_A

Name	Attempts	Real Successes	Failures	Incomplete
Total	7758203	801	0	0
T10	478	0	0	0
T25	7314	5	0	0
T30	0	10	0	0
T39	0	5	0	0
T40	0	10	0	0
T45	0	5	0	0
T58	462	0	0	0
T59	639	0	0	0
T74	495	0	0	0
T75	491	0	0	0
T80	513	0	0	0
T81	524	0	0	0
T87	0	26	0	0
T89	0	28	0	0
T90	447	0	0	0
T91	4402	0	0	0
T250	0	11	0	0
T257	0	13	0	0
T258	0	27	0	0

StayInStableSt

Name	Attempts	Real Successes	Failures	Incomplete
Total	7758203	62297	0	0
T10	478	0	0	0
T25	7314	330	0	0
T30	0	72	0	0
T39	0	687	0	0
T40	0	1066	0	0
T45	0	385	0	0
T58	462	0	0	0
T59	639	0	0	0
T74	495	0	0	0
T75	491	0	0	0
T80	513	0	0	0
T81	524	0	0	0
T87	0	2039	0	0
T89	0	2083	0	0
T90	447	0	0	0
T91	4402	0	0	0
T250	0	1233	0	0
T257	0	1847	0	0
T258	0	1567	0	0

gen_high_event_sva.HighLevelEvent_A

Name	Attempts	Real Successes	Failures	Incomplete
Total	7758203	7285475	0	0
T1	786	386	0	0
T2	510	110	0	0
T3	2489	2089	0	0
T4	425	25	0	0
T5	436	36	0	0
T6	528	128	0	0
T14	430	30	0	0
T15	506	106	0	0
T16	492	92	0	0
T17	407	7	0	0

gen_high_level_sva.HighLevelEvent_A

Name	Attempts	Real Successes	Failures	Incomplete
Total	7758203	7285475	0	0
T1	786	386	0	0
T2	510	110	0	0
T3	2489	2089	0	0
T4	425	25	0	0
T5	436	36	0	0
T6	528	128	0	0
T14	430	30	0	0
T15	506	106	0	0
T16	492	92	0	0
T17	407	7	0	0

gen_not_sticky_sva.StableStDropOut_A

Name	Attempts	Real Successes	Failures	Incomplete
Total	7758203	722	0	0
T10	478	0	0	0
T25	7314	5	0	0
T30	0	10	0	0
T39	0	3	0	0
T40	0	7	0	0
T45	0	5	0	0
T58	462	0	0	0
T59	639	0	0	0
T74	495	0	0	0
T75	491	0	0	0
T80	513	0	0	0
T81	524	0	0	0
T87	0	26	0	0
T89	0	28	0	0
T90	447	0	0	0
T91	4402	0	0	0
T250	0	6	0	0
T257	0	11	0	0
T258	0	27	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:       T25 T12 T30 
61                        end
62                      
63                        // In case of edge events, we also need to detect the transition.
64                        logic trigger_event;
65                        if (EventType inside {EdgeToLow, EdgeToHigh}) begin : gen_trigger_event_edge
66                          // This flop is always active, no matter the enable state.
67                          logic trigger_active_q;
68                          always_ff @(posedge clk_i or negedge rst_ni) begin : p_trigger_reg
69         1/1                if (!rst_ni) begin
           Tests:       T4 T5 T6 
70         1/1                  trigger_active_q <= 1'b0;
           Tests:       T4 T5 T6 
71                            end else begin
72         1/1                  trigger_active_q <= trigger_active;
           Tests:       T4 T5 T6 
73                            end
74                          end
75                      
76         1/1              assign trigger_event = trigger_active & ~trigger_active_q;
           Tests:       T4 T5 T6 
77                        // In case of level events, the event is equal to the level being active.
78                        end else begin : gen_trigger_event_level
79                          assign trigger_event = trigger_active;
80                        end
81                      
82                        /////////////////
83                        // Timer Logic //
84                        /////////////////
85                      
86                        // Take the maximum width of both timer values.
87                        localparam int unsigned TimerWidth =
88                            (DetectTimerWidth > DebounceTimerWidth) ? DetectTimerWidth : DebounceTimerWidth;
89                      
90                        logic cnt_en, cnt_clr;
91                        logic [TimerWidth-1:0] cnt_d, cnt_q;
92         1/1            assign cnt_d = (cnt_clr) ? '0           :
           Tests:       T25 T12 T43 
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:       T5 T1 T2 
100                                                      TimerWidth'(cfg_debounce_timer_i);
101        1/1            assign cnt_done = (cnt_q >= thresh);
           Tests:       T5 T1 T2 
102                     
103                       always_ff @(posedge clk_i or negedge rst_ni) begin : p_cnt_reg
104        1/1              if (!rst_ni) begin
           Tests:       T4 T5 T6 
105        1/1                cnt_q <= '0;
           Tests:       T4 T5 T6 
106                         end else begin
107        1/1                cnt_q <= cnt_d;
           Tests:       T4 T5 T6 
108                         end
109                       end
110                     
111                       /////////
112                       // FSM //
113                       /////////
114                     
115                       typedef enum logic [1:0] {
116                         IdleSt,
117                         DebounceSt,
118                         DetectSt,
119                         StableSt
120                       } state_t;
121                     
122                       state_t state_d, state_q;
123                     
124                       always_comb begin : p_fsm
125        1/1              state_d = state_q;
           Tests:       T4 T5 T6 
126                     
127                         // Counter controls (clear has priority).
128        1/1              cnt_clr = 1'b0;
           Tests:       T4 T5 T6 
129        1/1              cnt_en = 1'b0;
           Tests:       T4 T5 T6 
130                     
131                         // Detected outputs
132        1/1              event_detected_o = 1'b0;
           Tests:       T4 T5 T6 
133        1/1              event_detected_pulse_o = 1'b0;
           Tests:       T4 T5 T6 
134                     
135                         // Threshold select
136                         // 0: debounce
137                         // 1: detect
138        1/1              thresh_sel = 1'b0;
           Tests:       T4 T5 T6 
139                     
140        1/1              unique case (state_q)
           Tests:       T4 T5 T6 
141                           ////////////////////////////////////////////
142                           // We are waiting for the event to occur.
143                           // This can be either a specific level or edge,
144                           // depending on the configuration.
145                           IdleSt: begin
146                             // Stay here if the detector is disabled.
147        1/1                  if (trigger_event && cfg_enable_i) begin
           Tests:       T4 T5 T6 
148        1/1                    state_d = DebounceSt;
           Tests:       T25 T12 T45 
149        1/1                    cnt_en = 1'b1;
           Tests:       T25 T12 T45 
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:       T25 T12 T45 
161                             // Unconditionally go back to idle if the detector is disabled.
162        1/1                  if (!cfg_enable_i) begin
           Tests:       T25 T12 T45 
163        1/1                    state_d = IdleSt;
           Tests:       T25 T45 
164        1/1                    cnt_clr = 1'b1;
           Tests:       T25 T45 
165        1/1                  end else if (cnt_done) begin
           Tests:       T25 T12 T45 
166        1/1                    cnt_clr = 1'b1;
           Tests:       T25 T12 T45 
167        1/1                    if (trigger_active) begin
           Tests:       T25 T12 T45 
168        1/1                      state_d = DetectSt;
           Tests:       T25 T12 T45 
169                               end else begin
170        1/1                      state_d = IdleSt;
           Tests:       T56 T44 T87 
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:       T25 T12 T45 
182        1/1                  cnt_en = 1'b1;
           Tests:       T25 T12 T45 
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:       T25 T12 T45 
186        1/1                    state_d = IdleSt;
           Tests:       T25 T45 T44 
187        1/1                    cnt_clr = 1'b1;
           Tests:       T25 T45 T44 
188                             // If the trigger is active, count up.
189                             end else begin
190        1/1                    if (cnt_done) begin
           Tests:       T25 T12 T45 
191        1/1                      state_d = StableSt;
           Tests:       T25 T12 T45 
192        1/1                      cnt_clr = 1'b1;
           Tests:       T25 T12 T45 
193        1/1                      event_detected_o = 1'b1;
           Tests:       T25 T12 T45 
194        1/1                      event_detected_pulse_o = 1'b1;
           Tests:       T25 T12 T45 
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:       T25 T12 T45 
206        1/1                    state_d = IdleSt;
           Tests:       T25 T12 T45 
207                             // Otherwise keep the event detected output signal high.
208                             end else begin
209        1/1                    event_detected_o = 1'b1;
           Tests:       T25 T12 T45 
210                             end
211                           end
212                           ////////////////////////////////////////////
213                           // This is a full case statement
214                           default: ;
Exclude Annotation: VC_COV_UNR
215                         endcase // state_q
216                       end
217                     
218                       always_ff @(posedge clk_i or negedge rst_ni) begin : p_fsm_reg
219        1/1              if (!rst_ni) begin
           Tests:       T4 T5 T6 
220        1/1                state_q <= IdleSt;
           Tests:       T4 T5 T6 
221                         end else begin
222        1/1                state_q <= state_d;
           Tests:       T4 T5 T6 

---

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

	Total	Covered	Percent
Conditions	21	21	100.00
Logical	21	21	100.00
Non-Logical	0	0
Event	0	0

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

-1-	Status	Tests
0	Covered	T25,T12,T30
1	Covered	T4,T5,T6

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

-1-	-2-	Status	Tests
0	1	Covered	T25,T12,T30
1	0	Covered	T4,T5,T6
1	1	Covered	T4,T5,T6

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

-1-	Status	Tests
0	Covered	T4,T5,T6
1	Covered	T25,T12,T45

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

-1-	Status	Tests	Exclude Annotation
0	Excluded	T4,T5,T6	VC_COV_UNR
1	Covered	T25,T12,T45

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

-1-	Status	Tests
0	Covered	T4,T5,T6
1	Covered	T25,T12,T45

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

-1-	-2-	Status	Tests
0	1	Covered	T25,T12,T30
1	0	Covered	T66,T26,T70
1	1	Covered	T25,T12,T45

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

-1-	-2-	Status	Tests
0	0	Covered	T25,T12,T45
0	1	Covered	T44,T259,T260
1	0	Covered	T25,T45

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

-1-	-2-	Status	Tests
0	0	Covered	T25,T12,T45
0	1	Covered	T12,T56,T44
1	0	Covered	T25

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

-1-	-2-	Status	Tests
0	-	Covered	T25,T12,T45
1	-	Covered	T12,T45,T56

---

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	T25,T12,T45
DetectSt	168	Covered	T25,T12,T45
IdleSt	163	Covered	T4,T5,T6
StableSt	191	Covered	T25,T12,T45

transitions	Line No.	Covered	Tests
DebounceSt->DetectSt	168	Covered	T25,T12,T45
DebounceSt->IdleSt	163	Covered	T25,T45,T56
DetectSt->IdleSt	186	Covered	T25,T45,T44
DetectSt->StableSt	191	Covered	T25,T12,T45
IdleSt->DebounceSt	148	Covered	T25,T12,T45
StableSt->IdleSt	206	Covered	T25,T12,T45

---

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

	Line No.	Total	Covered	Percent
Branches		21	21	100.00
TERNARY	92	2	2	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-  
                                      ==>  
                                      ==> (Excluded)  

Branches:

-1-	-2-	Status	Tests	Exclude Annotation
1	-	Covered	T25,T12,T45
0	1	Covered	T25,T12,T45
0	0	Excluded	T4,T5,T6	VC_COV_UNR

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

Branches:

-1-	Status	Tests
1	Covered	T25,T12,T45
0	Covered	T4,T5,T6

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

Branches:

-1-	Status	Tests
1	Covered	T4,T5,T6
0	Covered	T4,T5,T6

140            unique case (state_q)
                      -1-  
141              ////////////////////////////////////////////
142              // We are waiting for the event to occur.
143              // This can be either a specific level or edge,
144              // depending on the configuration.
145              IdleSt: begin
146                // Stay here if the detector is disabled.
147                if (trigger_event && cfg_enable_i) begin
                   -2-  
148                  state_d = DebounceSt;
                     ==>
149                  cnt_en = 1'b1;
150                end
                   MISSING_ELSE
                   ==>
151              end
152              ////////////////////////////////////////////
153              // If an event has occurred, we back off for
154              // the amount of debounce cycles configured.
155              // Once the timer has expired, we sample the
156              // signal again and check whether it has the
157              // correct level. If so, we move on to the
158              // detection stage, otherwise we fall back.
159              DebounceSt: begin
160                cnt_en = 1'b1;
161                // Unconditionally go back to idle if the detector is disabled.
162                if (!cfg_enable_i) begin
                   -3-  
163                  state_d = IdleSt;
                     ==>
164                  cnt_clr = 1'b1;
165                end else if (cnt_done) begin
                            -4-  
166                  cnt_clr = 1'b1;
167                  if (trigger_active) begin
                     -5-  
168                    state_d = DetectSt;
                       ==>
169                  end else begin
170                    state_d = IdleSt;
                       ==>
171                  end
172                end
                   MISSING_ELSE
                   ==>
173              end
174              ////////////////////////////////////////////
175              // Once the debounce period has passed, we
176              // check whether the signal remains stable
177              // throughout the entire detection period.
178              // If it is not stable at any cycle, we fall
179              // back to idle.
180              DetectSt: begin
181                thresh_sel = 1'b1;
182                cnt_en = 1'b1;
183                // Go back to idle if either the trigger level is not active anymore, or if the
184                // detector is disabled.
185                if (!cfg_enable_i || !trigger_active) begin
                   -6-  
186                  state_d = IdleSt;
                     ==>
187                  cnt_clr = 1'b1;
188                // If the trigger is active, count up.
189                end else begin
190                  if (cnt_done) begin
                     -7-  
191                    state_d = StableSt;
                       ==>
192                    cnt_clr = 1'b1;
193                    event_detected_o = 1'b1;
194                    event_detected_pulse_o = 1'b1;
195                  end
                     MISSING_ELSE
                     ==>
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	T25,T12,T45
IdleSt	0	-	-	-	-	-	-	Covered	T4,T5,T6
DebounceSt	-	1	-	-	-	-	-	Covered	T25,T45
DebounceSt	-	0	1	1	-	-	-	Covered	T25,T12,T45
DebounceSt	-	0	1	0	-	-	-	Covered	T56,T44,T87
DebounceSt	-	0	0	-	-	-	-	Covered	T25,T12,T45
DetectSt	-	-	-	-	1	-	-	Covered	T25,T45,T44
DetectSt	-	-	-	-	0	1	-	Covered	T25,T12,T45
DetectSt	-	-	-	-	0	0	-	Covered	T25,T12,T45
StableSt	-	-	-	-	-	-	1	Covered	T25,T12,T45
StableSt	-	-	-	-	-	-	0	Covered	T25,T12,T45
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	T4,T5,T6
0	Covered	T4,T5,T6

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

Branches:

-1-	Status	Tests
1	Covered	T4,T5,T6
0	Covered	T4,T5,T6

---

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	7758203	768	0	0
CntIncr_A	7758203	41551	0	0
CntNoWrap_A	7758203	7282794	0	0
DetectStDropOut_A	7758203	75	0	0
DetectedOut_A	7758203	11787	0	0
DetectedPulseOut_A	7758203	284	0	0
DisabledIdleSt_A	7758203	6958951	0	0
DisabledNoDetection_A	7758203	6960306	0	0
EnterDebounceSt_A	7758203	405	0	0
EnterDetectSt_A	7758203	363	0	0
EnterStableSt_A	7758203	284	0	0
PulseIsPulse_A	7758203	284	0	0
StayInStableSt	7758203	11482	0	0
gen_high_level_sva.HighLevelEvent_A	7758203	7285475	0	0
gen_not_sticky_sva.StableStDropOut_A	7758203	258	0	0

CntClr_A

Name	Attempts	Real Successes	Failures	Incomplete
Total	7758203	768	0	0
T10	478	0	0	0
T12	0	2	0	0
T25	7314	8	0	0
T39	0	4	0	0
T40	0	6	0	0
T42	0	4	0	0
T44	0	11	0	0
T45	0	8	0	0
T56	0	3	0	0
T58	462	0	0	0
T59	639	0	0	0
T74	495	0	0	0
T75	491	0	0	0
T80	513	0	0	0
T81	524	0	0	0
T87	0	1	0	0
T90	447	0	0	0
T91	4402	0	0	0
T261	0	21	0	0

CntIncr_A

Name	Attempts	Real Successes	Failures	Incomplete
Total	7758203	41551	0	0
T10	478	0	0	0
T12	0	112	0	0
T25	7314	192	0	0
T39	0	104	0	0
T40	0	144	0	0
T42	0	192	0	0
T44	0	597	0	0
T45	0	238	0	0
T56	0	245	0	0
T58	462	0	0	0
T59	639	0	0	0
T74	495	0	0	0
T75	491	0	0	0
T80	513	0	0	0
T81	524	0	0	0
T87	0	28	0	0
T90	447	0	0	0
T91	4402	0	0	0
T261	0	806	0	0

CntNoWrap_A

Name	Attempts	Real Successes	Failures	Incomplete
Total	7758203	7282794	0	0
T1	786	385	0	0
T2	510	109	0	0
T3	2489	2088	0	0
T4	425	24	0	0
T5	436	35	0	0
T6	528	127	0	0
T14	430	29	0	0
T15	506	105	0	0
T16	492	91	0	0
T17	407	6	0	0

DetectStDropOut_A

Name	Attempts	Real Successes	Failures	Incomplete
Total	7758203	75	0	0
T44	35232	1	0	0
T46	948	0	0	0
T87	11177	0	0	0
T93	646	0	0	0
T107	0	3	0	0
T110	0	3	0	0
T120	8402	0	0	0
T155	0	7	0	0
T208	426	0	0	0
T209	523	0	0	0
T259	0	13	0	0
T260	0	4	0	0
T262	0	5	0	0
T263	0	10	0	0
T264	0	8	0	0
T265	0	3	0	0
T266	506	0	0	0
T267	404	0	0	0
T268	444	0	0	0

DetectedOut_A

Name	Attempts	Real Successes	Failures	Incomplete
Total	7758203	11787	0	0
T10	478	0	0	0
T12	0	12	0	0
T25	7314	73	0	0
T39	0	155	0	0
T40	0	240	0	0
T42	0	182	0	0
T44	0	160	0	0
T45	0	88	0	0
T56	0	43	0	0
T58	462	0	0	0
T59	639	0	0	0
T74	495	0	0	0
T75	491	0	0	0
T80	513	0	0	0
T81	524	0	0	0
T90	447	0	0	0
T91	4402	0	0	0
T257	0	152	0	0
T261	0	142	0	0

DetectedPulseOut_A

Name	Attempts	Real Successes	Failures	Incomplete
Total	7758203	284	0	0
T10	478	0	0	0
T12	0	1	0	0
T25	7314	1	0	0
T39	0	2	0	0
T40	0	3	0	0
T42	0	2	0	0
T44	0	4	0	0
T45	0	1	0	0
T56	0	1	0	0
T58	462	0	0	0
T59	639	0	0	0
T74	495	0	0	0
T75	491	0	0	0
T80	513	0	0	0
T81	524	0	0	0
T90	447	0	0	0
T91	4402	0	0	0
T257	0	2	0	0
T261	0	10	0	0

DisabledIdleSt_A

Name	Attempts	Real Successes	Failures	Incomplete
Total	7758203	6958951	0	0
T1	786	385	0	0
T2	510	109	0	0
T3	2489	2088	0	0
T4	425	24	0	0
T5	436	35	0	0
T6	528	127	0	0
T14	430	29	0	0
T15	506	105	0	0
T16	492	91	0	0
T17	407	6	0	0

DisabledNoDetection_A

Name	Attempts	Real Successes	Failures	Incomplete
Total	7758203	6960306	0	0
T1	786	386	0	0
T2	510	110	0	0
T3	2489	2089	0	0
T4	425	25	0	0
T5	436	36	0	0
T6	528	128	0	0
T14	430	30	0	0
T15	506	106	0	0
T16	492	92	0	0
T17	407	7	0	0

EnterDebounceSt_A

Name	Attempts	Real Successes	Failures	Incomplete
Total	7758203	405	0	0
T10	478	0	0	0
T12	0	1	0	0
T25	7314	5	0	0
T39	0	2	0	0
T40	0	3	0	0
T42	0	2	0	0
T44	0	6	0	0
T45	0	5	0	0
T56	0	2	0	0
T58	462	0	0	0
T59	639	0	0	0
T74	495	0	0	0
T75	491	0	0	0
T80	513	0	0	0
T81	524	0	0	0
T87	0	1	0	0
T90	447	0	0	0
T91	4402	0	0	0
T261	0	11	0	0

EnterDetectSt_A

Name	Attempts	Real Successes	Failures	Incomplete
Total	7758203	363	0	0
T10	478	0	0	0
T12	0	1	0	0
T25	7314	3	0	0
T39	0	2	0	0
T40	0	3	0	0
T42	0	2	0	0
T44	0	5	0	0
T45	0	3	0	0
T56	0	1	0	0
T58	462	0	0	0
T59	639	0	0	0
T74	495	0	0	0
T75	491	0	0	0
T80	513	0	0	0
T81	524	0	0	0
T90	447	0	0	0
T91	4402	0	0	0
T257	0	2	0	0
T261	0	10	0	0

EnterStableSt_A

Name	Attempts	Real Successes	Failures	Incomplete
Total	7758203	284	0	0
T10	478	0	0	0
T12	0	1	0	0
T25	7314	1	0	0
T39	0	2	0	0
T40	0	3	0	0
T42	0	2	0	0
T44	0	4	0	0
T45	0	1	0	0
T56	0	1	0	0
T58	462	0	0	0
T59	639	0	0	0
T74	495	0	0	0
T75	491	0	0	0
T80	513	0	0	0
T81	524	0	0	0
T90	447	0	0	0
T91	4402	0	0	0
T257	0	2	0	0
T261	0	10	0	0

PulseIsPulse_A

Name	Attempts	Real Successes	Failures	Incomplete
Total	7758203	284	0	0
T10	478	0	0	0
T12	0	1	0	0
T25	7314	1	0	0
T39	0	2	0	0
T40	0	3	0	0
T42	0	2	0	0
T44	0	4	0	0
T45	0	1	0	0
T56	0	1	0	0
T58	462	0	0	0
T59	639	0	0	0
T74	495	0	0	0
T75	491	0	0	0
T80	513	0	0	0
T81	524	0	0	0
T90	447	0	0	0
T91	4402	0	0	0
T257	0	2	0	0
T261	0	10	0	0

StayInStableSt

Name	Attempts	Real Successes	Failures	Incomplete
Total	7758203	11482	0	0
T10	478	0	0	0
T12	0	11	0	0
T25	7314	72	0	0
T39	0	153	0	0
T40	0	237	0	0
T42	0	180	0	0
T44	0	156	0	0
T45	0	87	0	0
T56	0	42	0	0
T58	462	0	0	0
T59	639	0	0	0
T74	495	0	0	0
T75	491	0	0	0
T80	513	0	0	0
T81	524	0	0	0
T90	447	0	0	0
T91	4402	0	0	0
T257	0	148	0	0
T261	0	132	0	0

gen_high_level_sva.HighLevelEvent_A

Name	Attempts	Real Successes	Failures	Incomplete
Total	7758203	7285475	0	0
T1	786	386	0	0
T2	510	110	0	0
T3	2489	2089	0	0
T4	425	25	0	0
T5	436	36	0	0
T6	528	128	0	0
T14	430	30	0	0
T15	506	106	0	0
T16	492	92	0	0
T17	407	7	0	0

gen_not_sticky_sva.StableStDropOut_A

Name	Attempts	Real Successes	Failures	Incomplete
Total	7758203	258	0	0
T12	7832	1	0	0
T13	505	0	0	0
T30	10288	0	0	0
T39	0	2	0	0
T40	0	3	0	0
T42	0	2	0	0
T44	0	4	0	0
T56	0	1	0	0
T83	528	0	0	0
T84	2402	0	0	0
T103	451	0	0	0
T188	406	0	0	0
T189	831	0	0	0
T240	0	1	0	0
T250	0	1	0	0
T261	0	10	0	0
T269	0	3	0	0
T270	1045	0	0	0
T271	752	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:       T25 T30 T31 
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:       T25 T30 T31 
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:       T25 T30 T31 
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:       T5 T1 T2 
100                                                      TimerWidth'(cfg_debounce_timer_i);
101        1/1            assign cnt_done = (cnt_q >= thresh);
           Tests:       T5 T1 T2 
102                     
103                       always_ff @(posedge clk_i or negedge rst_ni) begin : p_cnt_reg
104        1/1              if (!rst_ni) begin
           Tests:       T4 T5 T6 
105        1/1                cnt_q <= '0;
           Tests:       T4 T5 T6 
106                         end else begin
107        1/1                cnt_q <= cnt_d;
           Tests:       T4 T5 T6 
108                         end
109                       end
110                     
111                       /////////
112                       // FSM //
113                       /////////
114                     
115                       typedef enum logic [1:0] {
116                         IdleSt,
117                         DebounceSt,
118                         DetectSt,
119                         StableSt
120                       } state_t;
121                     
122                       state_t state_d, state_q;
123                     
124                       always_comb begin : p_fsm
125        1/1              state_d = state_q;
           Tests:       T25 T30 T31 
126                     
127                         // Counter controls (clear has priority).
128        1/1              cnt_clr = 1'b0;
           Tests:       T25 T30 T31 
129        1/1              cnt_en = 1'b0;
           Tests:       T25 T30 T31 
130                     
131                         // Detected outputs
132        1/1              event_detected_o = 1'b0;
           Tests:       T25 T30 T31 
133        1/1              event_detected_pulse_o = 1'b0;
           Tests:       T25 T30 T31 
134                     
135                         // Threshold select
136                         // 0: debounce
137                         // 1: detect
138        1/1              thresh_sel = 1'b0;
           Tests:       T25 T30 T31 
139                     
140        1/1              unique case (state_q)
           Tests:       T25 T30 T31 
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:       T25 T30 T31 
148        1/1                    state_d = DebounceSt;
           Tests:       T25 T30 T31 
149        1/1                    cnt_en = 1'b1;
           Tests:       T25 T30 T31 
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:       T25 T30 T31 
161                             // Unconditionally go back to idle if the detector is disabled.
162        1/1                  if (!cfg_enable_i) begin
           Tests:       T25 T30 T31 
163        1/1                    state_d = IdleSt;
           Tests:       T25 T45 
164        1/1                    cnt_clr = 1'b1;
           Tests:       T25 T45 
165        1/1                  end else if (cnt_done) begin
           Tests:       T25 T30 T31 
166        1/1                    cnt_clr = 1'b1;
           Tests:       T25 T30 T31 
167        1/1                    if (trigger_active) begin
           Tests:       T25 T30 T31 
168        1/1                      state_d = DetectSt;
           Tests:       T25 T30 T31 
169                               end else begin
170        1/1                      state_d = IdleSt;
           Tests:       T25 T45 T97 
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:       T25 T30 T31 
182        1/1                  cnt_en = 1'b1;
           Tests:       T25 T30 T31 
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:       T25 T30 T31 
186        1/1                    state_d = IdleSt;
           Tests:       T25 T30 T31 
187        1/1                    cnt_clr = 1'b1;
           Tests:       T25 T30 T31 
188                             // If the trigger is active, count up.
189                             end else begin
190        1/1                    if (cnt_done) begin
           Tests:       T25 T30 T31 
191        1/1                      state_d = StableSt;
           Tests:       T25 T45 T57 
192        1/1                      cnt_clr = 1'b1;
           Tests:       T25 T45 T57 
193        1/1                      event_detected_o = 1'b1;
           Tests:       T25 T45 T57 
194        1/1                      event_detected_pulse_o = 1'b1;
           Tests:       T25 T45 T57 
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:       T25 T45 T57 
206        1/1                    state_d = IdleSt;
           Tests:       T25 T45 T57 
207                             // Otherwise keep the event detected output signal high.
208                             end else begin
209        1/1                    event_detected_o = 1'b1;
           Tests:       T25 T45 T57 
210                             end
211                           end
212                           ////////////////////////////////////////////
213                           // This is a full case statement
214                           default: ;
215                         endcase // state_q
216                       end
217                     
218                       always_ff @(posedge clk_i or negedge rst_ni) begin : p_fsm_reg
219        1/1              if (!rst_ni) begin
           Tests:       T4 T5 T6 
220        1/1                state_q <= IdleSt;
           Tests:       T4 T5 T6 
221                         end else begin
222        1/1                state_q <= state_d;
           Tests:       T4 T5 T6 

---

Cond Coverage for Instance : tb.dut.u_sysrst_ctrl_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	T25,T30,T31
1	Covered	T4,T5,T6

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

-1-	Status	Tests
0	Covered	T4,T5,T6
1	Covered	T25,T30,T31

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

-1-	Status	Tests
0	Covered	T4,T5,T6
1	Covered	T25,T30,T31

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

-1-	Status	Tests
0	Covered	T4,T5,T6
1	Covered	T25,T30,T31

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

-1-	-2-	Status	Tests
0	1	Covered	T25,T30,T31
1	0	Covered	T25,T30,T45
1	1	Covered	T25,T30,T31

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

-1-	-2-	Status	Tests
0	0	Covered	T25,T30,T31
0	1	Covered	T25,T30,T31
1	0	Covered	T25,T30,T45

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

-1-	-2-	Status	Tests
0	0	Covered	T25,T45,T57
0	1	Covered	T25,T45,T57
1	0	Covered	T100,T272

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

-1-	-2-	Status	Tests
0	-	Covered	T25,T45,T57
1	-	Covered	T25,T45,T57

---

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	T25,T30,T31
DetectSt	168	Covered	T25,T30,T31
IdleSt	163	Covered	T4,T5,T6
StableSt	191	Covered	T25,T45,T57

transitions	Line No.	Covered	Tests
DebounceSt->DetectSt	168	Covered	T25,T30,T31
DebounceSt->IdleSt	163	Covered	T25,T45,T97
DetectSt->IdleSt	186	Covered	T25,T30,T31
DetectSt->StableSt	191	Covered	T25,T45,T57
IdleSt->DebounceSt	148	Covered	T25,T30,T31
StableSt->IdleSt	206	Covered	T25,T45,T57

---

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		21	20	95.24
TERNARY	92	3	3	100.00
TERNARY	99	2	2	100.00
IF	104	2	2	100.00
CASE	140	12	11	91.67
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	T25,T30,T31
0	1	Covered	T25,T30,T31
0	0	Covered	T4,T5,T6

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

Branches:

-1-	Status	Tests
1	Covered	T25,T30,T31
0	Covered	T4,T5,T6

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

Branches:

-1-	Status	Tests
1	Covered	T4,T5,T6
0	Covered	T4,T5,T6

140            unique case (state_q)
                      -1-  
141              ////////////////////////////////////////////
142              // We are waiting for the event to occur.
143              // This can be either a specific level or edge,
144              // depending on the configuration.
145              IdleSt: begin
146                // Stay here if the detector is disabled.
147                if (trigger_event && cfg_enable_i) begin
                   -2-  
148                  state_d = DebounceSt;
                     ==>
149                  cnt_en = 1'b1;
150                end
                   MISSING_ELSE
                   ==>
151              end
152              ////////////////////////////////////////////
153              // If an event has occurred, we back off for
154              // the amount of debounce cycles configured.
155              // Once the timer has expired, we sample the
156              // signal again and check whether it has the
157              // correct level. If so, we move on to the
158              // detection stage, otherwise we fall back.
159              DebounceSt: begin
160                cnt_en = 1'b1;
161                // Unconditionally go back to idle if the detector is disabled.
162                if (!cfg_enable_i) begin
                   -3-  
163                  state_d = IdleSt;
                     ==>
164                  cnt_clr = 1'b1;
165                end else if (cnt_done) begin
                            -4-  
166                  cnt_clr = 1'b1;
167                  if (trigger_active) begin
                     -5-  
168                    state_d = DetectSt;
                       ==>
169                  end else begin
170                    state_d = IdleSt;
                       ==>
171                  end
172                end
                   MISSING_ELSE
                   ==>
173              end
174              ////////////////////////////////////////////
175              // Once the debounce period has passed, we
176              // check whether the signal remains stable
177              // throughout the entire detection period.
178              // If it is not stable at any cycle, we fall
179              // back to idle.
180              DetectSt: begin
181                thresh_sel = 1'b1;
182                cnt_en = 1'b1;
183                // Go back to idle if either the trigger level is not active anymore, or if the
184                // detector is disabled.
185                if (!cfg_enable_i || !trigger_active) begin
                   -6-  
186                  state_d = IdleSt;
                     ==>
187                  cnt_clr = 1'b1;
188                // If the trigger is active, count up.
189                end else begin
190                  if (cnt_done) begin
                     -7-  
191                    state_d = StableSt;
                       ==>
192                    cnt_clr = 1'b1;
193                    event_detected_o = 1'b1;
194                    event_detected_pulse_o = 1'b1;
195                  end
                     MISSING_ELSE
                     ==>
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: ;
                 ==>

Branches:

-1-	-2-	-3-	-4-	-5-	-6-	-7-	-8-	Status	Tests
IdleSt	1	-	-	-	-	-	-	Covered	T25,T30,T31
IdleSt	0	-	-	-	-	-	-	Covered	T25,T30,T31
DebounceSt	-	1	-	-	-	-	-	Covered	T25,T45
DebounceSt	-	0	1	1	-	-	-	Covered	T25,T30,T31
DebounceSt	-	0	1	0	-	-	-	Covered	T25,T45,T97
DebounceSt	-	0	0	-	-	-	-	Covered	T25,T30,T31
DetectSt	-	-	-	-	1	-	-	Covered	T25,T30,T31
DetectSt	-	-	-	-	0	1	-	Covered	T25,T45,T57
DetectSt	-	-	-	-	0	0	-	Covered	T25,T30,T31
StableSt	-	-	-	-	-	-	1	Covered	T25,T45,T57
StableSt	-	-	-	-	-	-	0	Covered	T25,T45,T57
default	-	-	-	-	-	-	-	Not Covered

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

---

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	7758203	2658	0	0
CntIncr_A	7758203	93808	0	0
CntNoWrap_A	7758203	7280904	0	0
DetectStDropOut_A	7758203	407	0	0
DetectedOut_A	7758203	71387	0	0
DetectedPulseOut_A	7758203	764	0	0
DisabledIdleSt_A	7758203	6846551	0	0
DisabledNoDetection_A	7758203	6848276	0	0
EnterDebounceSt_A	7758203	1340	0	0
EnterDetectSt_A	7758203	1318	0	0
EnterStableSt_A	7758203	764	0	0
PulseIsPulse_A	7758203	764	0	0
StayInStableSt	7758203	70524	0	0
gen_high_event_sva.HighLevelEvent_A	7758203	7285475	0	0
gen_high_level_sva.HighLevelEvent_A	7758203	7285475	0	0
gen_not_sticky_sva.StableStDropOut_A	7758203	658	0	0

CntClr_A

Name	Attempts	Real Successes	Failures	Incomplete
Total	7758203	2658	0	0
T10	478	0	0	0
T25	7314	16	0	0
T30	0	26	0	0
T31	0	12	0	0
T39	0	26	0	0
T40	0	52	0	0
T45	0	16	0	0
T57	0	38	0	0
T58	462	0	0	0
T59	639	0	0	0
T74	495	0	0	0
T75	491	0	0	0
T80	513	0	0	0
T81	524	0	0	0
T87	0	24	0	0
T88	0	2	0	0
T89	0	6	0	0
T90	447	0	0	0
T91	4402	0	0	0

CntIncr_A

Name	Attempts	Real Successes	Failures	Incomplete
Total	7758203	93808	0	0
T10	478	0	0	0
T25	7314	421	0	0
T30	0	581	0	0
T31	0	314	0	0
T39	0	871	0	0
T40	0	1274	0	0
T45	0	343	0	0
T57	0	912	0	0
T58	462	0	0	0
T59	639	0	0	0
T74	495	0	0	0
T75	491	0	0	0
T80	513	0	0	0
T81	524	0	0	0
T87	0	648	0	0
T88	0	53	0	0
T89	0	180	0	0
T90	447	0	0	0
T91	4402	0	0	0

CntNoWrap_A

Name	Attempts	Real Successes	Failures	Incomplete
Total	7758203	7280904	0	0
T1	786	385	0	0
T2	510	109	0	0
T3	2489	2088	0	0
T4	425	24	0	0
T5	436	35	0	0
T6	528	127	0	0
T14	430	29	0	0
T15	506	105	0	0
T16	492	91	0	0
T17	407	6	0	0

DetectStDropOut_A

Name	Attempts	Real Successes	Failures	Incomplete
Total	7758203	407	0	0
T10	478	0	0	0
T25	7314	1	0	0
T30	0	2	0	0
T31	0	6	0	0
T45	0	1	0	0
T58	462	0	0	0
T59	639	0	0	0
T74	495	0	0	0
T75	491	0	0	0
T80	513	0	0	0
T81	524	0	0	0
T88	0	1	0	0
T90	447	0	0	0
T91	4402	0	0	0
T97	0	1	0	0
T247	0	27	0	0
T248	0	3	0	0
T255	0	26	0	0
T273	0	21	0	0

DetectedOut_A

Name	Attempts	Real Successes	Failures	Incomplete
Total	7758203	71387	0	0
T10	478	0	0	0
T25	7314	331	0	0
T39	0	1714	0	0
T40	0	2697	0	0
T45	0	363	0	0
T57	0	1128	0	0
T58	462	0	0	0
T59	639	0	0	0
T74	495	0	0	0
T75	491	0	0	0
T80	513	0	0	0
T81	524	0	0	0
T87	0	817	0	0
T89	0	88	0	0
T90	447	0	0	0
T91	4402	0	0	0
T100	0	4	0	0
T249	0	4371	0	0
T257	0	20	0	0

DetectedPulseOut_A

Name	Attempts	Real Successes	Failures	Incomplete
Total	7758203	764	0	0
T10	478	0	0	0
T25	7314	5	0	0
T39	0	13	0	0
T40	0	26	0	0
T45	0	5	0	0
T57	0	19	0	0
T58	462	0	0	0
T59	639	0	0	0
T74	495	0	0	0
T75	491	0	0	0
T80	513	0	0	0
T81	524	0	0	0
T87	0	12	0	0
T89	0	3	0	0
T90	447	0	0	0
T91	4402	0	0	0
T100	0	4	0	0
T249	0	24	0	0
T257	0	2	0	0

DisabledIdleSt_A

Name	Attempts	Real Successes	Failures	Incomplete
Total	7758203	6846551	0	0
T1	786	385	0	0
T2	510	109	0	0
T3	2489	2088	0	0
T4	425	24	0	0
T5	436	35	0	0
T6	528	127	0	0
T14	430	29	0	0
T15	506	105	0	0
T16	492	91	0	0
T17	407	6	0	0

DisabledNoDetection_A

Name	Attempts	Real Successes	Failures	Incomplete
Total	7758203	6848276	0	0
T1	786	386	0	0
T2	510	110	0	0
T3	2489	2089	0	0
T4	425	25	0	0
T5	436	36	0	0
T6	528	128	0	0
T14	430	30	0	0
T15	506	106	0	0
T16	492	92	0	0
T17	407	7	0	0

EnterDebounceSt_A

Name	Attempts	Real Successes	Failures	Incomplete
Total	7758203	1340	0	0
T10	478	0	0	0
T25	7314	9	0	0
T30	0	13	0	0
T31	0	6	0	0
T39	0	13	0	0
T40	0	26	0	0
T45	0	9	0	0
T57	0	19	0	0
T58	462	0	0	0
T59	639	0	0	0
T74	495	0	0	0
T75	491	0	0	0
T80	513	0	0	0
T81	524	0	0	0
T87	0	12	0	0
T88	0	1	0	0
T89	0	3	0	0
T90	447	0	0	0
T91	4402	0	0	0

EnterDetectSt_A

Name	Attempts	Real Successes	Failures	Incomplete
Total	7758203	1318	0	0
T10	478	0	0	0
T25	7314	7	0	0
T30	0	13	0	0
T31	0	6	0	0
T39	0	13	0	0
T40	0	26	0	0
T45	0	7	0	0
T57	0	19	0	0
T58	462	0	0	0
T59	639	0	0	0
T74	495	0	0	0
T75	491	0	0	0
T80	513	0	0	0
T81	524	0	0	0
T87	0	12	0	0
T88	0	1	0	0
T89	0	3	0	0
T90	447	0	0	0
T91	4402	0	0	0

EnterStableSt_A

Name	Attempts	Real Successes	Failures	Incomplete
Total	7758203	764	0	0
T10	478	0	0	0
T25	7314	5	0	0
T39	0	13	0	0
T40	0	26	0	0
T45	0	5	0	0
T57	0	19	0	0
T58	462	0	0	0
T59	639	0	0	0
T74	495	0	0	0
T75	491	0	0	0
T80	513	0	0	0
T81	524	0	0	0
T87	0	12	0	0
T89	0	3	0	0
T90	447	0	0	0
T91	4402	0	0	0
T100	0	4	0	0
T249	0	24	0	0
T257	0	2	0	0

PulseIsPulse_A

Name	Attempts	Real Successes	Failures	Incomplete
Total	7758203	764	0	0
T10	478	0	0	0
T25	7314	5	0	0
T39	0	13	0	0
T40	0	26	0	0
T45	0	5	0	0
T57	0	19	0	0
T58	462	0	0	0
T59	639	0	0	0
T74	495	0	0	0
T75	491	0	0	0
T80	513	0	0	0
T81	524	0	0	0
T87	0	12	0	0
T89	0	3	0	0
T90	447	0	0	0
T91	4402	0	0	0
T100	0	4	0	0
T249	0	24	0	0
T257	0	2	0	0

StayInStableSt

Name	Attempts	Real Successes	Failures	Incomplete
Total	7758203	70524	0	0
T10	478	0	0	0
T25	7314	326	0	0
T39	0	1696	0	0
T40	0	2662	0	0
T45	0	358	0	0
T57	0	1108	0	0
T58	462	0	0	0
T59	639	0	0	0
T74	495	0	0	0
T75	491	0	0	0
T80	513	0	0	0
T81	524	0	0	0
T87	0	805	0	0
T89	0	85	0	0
T90	447	0	0	0
T91	4402	0	0	0
T249	0	4347	0	0
T250	0	1409	0	0
T257	0	18	0	0

gen_high_event_sva.HighLevelEvent_A

Name	Attempts	Real Successes	Failures	Incomplete
Total	7758203	7285475	0	0
T1	786	386	0	0
T2	510	110	0	0
T3	2489	2089	0	0
T4	425	25	0	0
T5	436	36	0	0
T6	528	128	0	0
T14	430	30	0	0
T15	506	106	0	0
T16	492	92	0	0
T17	407	7	0	0

gen_high_level_sva.HighLevelEvent_A

Name	Attempts	Real Successes	Failures	Incomplete
Total	7758203	7285475	0	0
T1	786	386	0	0
T2	510	110	0	0
T3	2489	2089	0	0
T4	425	25	0	0
T5	436	36	0	0
T6	528	128	0	0
T14	430	30	0	0
T15	506	106	0	0
T16	492	92	0	0
T17	407	7	0	0

gen_not_sticky_sva.StableStDropOut_A

Name	Attempts	Real Successes	Failures	Incomplete
Total	7758203	658	0	0
T10	478	0	0	0
T25	7314	5	0	0
T39	0	8	0	0
T40	0	17	0	0
T45	0	5	0	0
T57	0	18	0	0
T58	462	0	0	0
T59	639	0	0	0
T74	495	0	0	0
T75	491	0	0	0
T80	513	0	0	0
T81	524	0	0	0
T87	0	12	0	0
T89	0	3	0	0
T90	447	0	0	0
T91	4402	0	0	0
T249	0	24	0	0
T250	0	8	0	0
T257	0	2	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:       T25 T12 T30 
61                        end
62                      
63                        // In case of edge events, we also need to detect the transition.
64                        logic trigger_event;
65                        if (EventType inside {EdgeToLow, EdgeToHigh}) begin : gen_trigger_event_edge
66                          // This flop is always active, no matter the enable state.
67                          logic trigger_active_q;
68                          always_ff @(posedge clk_i or negedge rst_ni) begin : p_trigger_reg
69         1/1                if (!rst_ni) begin
           Tests:       T4 T5 T6 
70         1/1                  trigger_active_q <= 1'b0;
           Tests:       T4 T5 T6 
71                            end else begin
72         1/1                  trigger_active_q <= trigger_active;
           Tests:       T4 T5 T6 
73                            end
74                          end
75                      
76         1/1              assign trigger_event = trigger_active & ~trigger_active_q;
           Tests:       T4 T5 T6 
77                        // In case of level events, the event is equal to the level being active.
78                        end else begin : gen_trigger_event_level
79                          assign trigger_event = trigger_active;
80                        end
81                      
82                        /////////////////
83                        // Timer Logic //
84                        /////////////////
85                      
86                        // Take the maximum width of both timer values.
87                        localparam int unsigned TimerWidth =
88                            (DetectTimerWidth > DebounceTimerWidth) ? DetectTimerWidth : DebounceTimerWidth;
89                      
90                        logic cnt_en, cnt_clr;
91                        logic [TimerWidth-1:0] cnt_d, cnt_q;
92         1/1            assign cnt_d = (cnt_clr) ? '0           :
           Tests:       T25 T12 T43 
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:       T5 T1 T2 
100                                                      TimerWidth'(cfg_debounce_timer_i);
101        1/1            assign cnt_done = (cnt_q >= thresh);
           Tests:       T5 T1 T2 
102                     
103                       always_ff @(posedge clk_i or negedge rst_ni) begin : p_cnt_reg
104        1/1              if (!rst_ni) begin
           Tests:       T4 T5 T6 
105        1/1                cnt_q <= '0;
           Tests:       T4 T5 T6 
106                         end else begin
107        1/1                cnt_q <= cnt_d;
           Tests:       T4 T5 T6 
108                         end
109                       end
110                     
111                       /////////
112                       // FSM //
113                       /////////
114                     
115                       typedef enum logic [1:0] {
116                         IdleSt,
117                         DebounceSt,
118                         DetectSt,
119                         StableSt
120                       } state_t;
121                     
122                       state_t state_d, state_q;
123                     
124                       always_comb begin : p_fsm
125        1/1              state_d = state_q;
           Tests:       T4 T5 T6 
126                     
127                         // Counter controls (clear has priority).
128        1/1              cnt_clr = 1'b0;
           Tests:       T4 T5 T6 
129        1/1              cnt_en = 1'b0;
           Tests:       T4 T5 T6 
130                     
131                         // Detected outputs
132        1/1              event_detected_o = 1'b0;
           Tests:       T4 T5 T6 
133        1/1              event_detected_pulse_o = 1'b0;
           Tests:       T4 T5 T6 
134                     
135                         // Threshold select
136                         // 0: debounce
137                         // 1: detect
138        1/1              thresh_sel = 1'b0;
           Tests:       T4 T5 T6 
139                     
140        1/1              unique case (state_q)
           Tests:       T4 T5 T6 
141                           ////////////////////////////////////////////
142                           // We are waiting for the event to occur.
143                           // This can be either a specific level or edge,
144                           // depending on the configuration.
145                           IdleSt: begin
146                             // Stay here if the detector is disabled.
147        1/1                  if (trigger_event && cfg_enable_i) begin
           Tests:       T4 T5 T6 
148        1/1                    state_d = DebounceSt;
           Tests:       T25 T12 T43 
149        1/1                    cnt_en = 1'b1;
           Tests:       T25 T12 T43 
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:       T25 T12 T43 
161                             // Unconditionally go back to idle if the detector is disabled.
162        1/1                  if (!cfg_enable_i) begin
           Tests:       T25 T12 T43 
163        1/1                    state_d = IdleSt;
           Tests:       T25 T45 
164        1/1                    cnt_clr = 1'b1;
           Tests:       T25 T45 
165        1/1                  end else if (cnt_done) begin
           Tests:       T25 T12 T43 
166        1/1                    cnt_clr = 1'b1;
           Tests:       T25 T12 T43 
167        1/1                    if (trigger_active) begin
           Tests:       T25 T12 T43 
168        1/1                      state_d = DetectSt;
           Tests:       T25 T12 T43 
169                               end else begin
170        1/1                      state_d = IdleSt;
           Tests:       T12 T56 T44 
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:       T25 T12 T43 
182        1/1                  cnt_en = 1'b1;
           Tests:       T25 T12 T43 
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:       T25 T12 T43 
186        1/1                    state_d = IdleSt;
           Tests:       T25 T12 T45 
187        1/1                    cnt_clr = 1'b1;
           Tests:       T25 T12 T45 
188                             // If the trigger is active, count up.
189                             end else begin
190        1/1                    if (cnt_done) begin
           Tests:       T25 T12 T43 
191        1/1                      state_d = StableSt;
           Tests:       T25 T43 T45 
192        1/1                      cnt_clr = 1'b1;
           Tests:       T25 T43 T45 
193        1/1                      event_detected_o = 1'b1;
           Tests:       T25 T43 T45 
194        1/1                      event_detected_pulse_o = 1'b1;
           Tests:       T25 T43 T45 
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:       T25 T43 T45 
206        1/1                    state_d = IdleSt;
           Tests:       T25 T43 T45 
207                             // Otherwise keep the event detected output signal high.
208                             end else begin
209        1/1                    event_detected_o = 1'b1;
           Tests:       T25 T43 T45 
210                             end
211                           end
212                           ////////////////////////////////////////////
213                           // This is a full case statement
214                           default: ;
Exclude Annotation: VC_COV_UNR
215                         endcase // state_q
216                       end
217                     
218                       always_ff @(posedge clk_i or negedge rst_ni) begin : p_fsm_reg
219        1/1              if (!rst_ni) begin
           Tests:       T4 T5 T6 
220        1/1                state_q <= IdleSt;
           Tests:       T4 T5 T6 
221                         end else begin
222        1/1                state_q <= state_d;
           Tests:       T4 T5 T6 

---

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

	Total	Covered	Percent
Conditions	21	21	100.00
Logical	21	21	100.00
Non-Logical	0	0
Event	0	0

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

-1-	Status	Tests
0	Covered	T25,T12,T30
1	Covered	T4,T5,T6

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

-1-	-2-	Status	Tests
0	1	Covered	T25,T12,T30
1	0	Covered	T4,T5,T6
1	1	Covered	T4,T5,T6

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

-1-	Status	Tests
0	Covered	T4,T5,T6
1	Covered	T25,T12,T43

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

-1-	Status	Tests	Exclude Annotation
0	Excluded	T4,T5,T6	VC_COV_UNR
1	Covered	T25,T12,T43

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

-1-	Status	Tests
0	Covered	T4,T5,T6
1	Covered	T25,T12,T43

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

-1-	-2-	Status	Tests
0	1	Covered	T25,T12,T43
1	0	Covered	T66,T26,T70
1	1	Covered	T25,T12,T43

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

-1-	-2-	Status	Tests
0	0	Covered	T25,T12,T43
0	1	Covered	T12,T44,T104
1	0	Covered	T25,T45

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

-1-	-2-	Status	Tests
0	0	Covered	T25,T43,T45
0	1	Covered	T43,T41,T56
1	0	Covered	T25,T45

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

-1-	-2-	Status	Tests
0	-	Covered	T25,T43,T45
1	-	Covered	T43,T41,T56

---

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	T25,T12,T43
DetectSt	168	Covered	T25,T12,T43
IdleSt	163	Covered	T4,T5,T6
StableSt	191	Covered	T25,T43,T45

transitions	Line No.	Covered	Tests
DebounceSt->DetectSt	168	Covered	T25,T12,T43
DebounceSt->IdleSt	163	Covered	T25,T12,T45
DetectSt->IdleSt	186	Covered	T25,T12,T45
DetectSt->StableSt	191	Covered	T25,T43,T45
IdleSt->DebounceSt	148	Covered	T25,T12,T43
StableSt->IdleSt	206	Covered	T25,T43,T45

---

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

	Line No.	Total	Covered	Percent
Branches		21	21	100.00
TERNARY	92	2	2	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-  
                                      ==>  
                                      ==> (Excluded)  

Branches:

-1-	-2-	Status	Tests	Exclude Annotation
1	-	Covered	T25,T12,T43
0	1	Covered	T25,T12,T43
0	0	Excluded	T4,T5,T6	VC_COV_UNR

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

Branches:

-1-	Status	Tests
1	Covered	T25,T12,T43
0	Covered	T4,T5,T6

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

Branches:

-1-	Status	Tests
1	Covered	T4,T5,T6
0	Covered	T4,T5,T6

140            unique case (state_q)
                      -1-  
141              ////////////////////////////////////////////
142              // We are waiting for the event to occur.
143              // This can be either a specific level or edge,
144              // depending on the configuration.
145              IdleSt: begin
146                // Stay here if the detector is disabled.
147                if (trigger_event && cfg_enable_i) begin
                   -2-  
148                  state_d = DebounceSt;
                     ==>
149                  cnt_en = 1'b1;
150                end
                   MISSING_ELSE
                   ==>
151              end
152              ////////////////////////////////////////////
153              // If an event has occurred, we back off for
154              // the amount of debounce cycles configured.
155              // Once the timer has expired, we sample the
156              // signal again and check whether it has the
157              // correct level. If so, we move on to the
158              // detection stage, otherwise we fall back.
159              DebounceSt: begin
160                cnt_en = 1'b1;
161                // Unconditionally go back to idle if the detector is disabled.
162                if (!cfg_enable_i) begin
                   -3-  
163                  state_d = IdleSt;
                     ==>
164                  cnt_clr = 1'b1;
165                end else if (cnt_done) begin
                            -4-  
166                  cnt_clr = 1'b1;
167                  if (trigger_active) begin
                     -5-  
168                    state_d = DetectSt;
                       ==>
169                  end else begin
170                    state_d = IdleSt;
                       ==>
171                  end
172                end
                   MISSING_ELSE
                   ==>
173              end
174              ////////////////////////////////////////////
175              // Once the debounce period has passed, we
176              // check whether the signal remains stable
177              // throughout the entire detection period.
178              // If it is not stable at any cycle, we fall
179              // back to idle.
180              DetectSt: begin
181                thresh_sel = 1'b1;
182                cnt_en = 1'b1;
183                // Go back to idle if either the trigger level is not active anymore, or if the
184                // detector is disabled.
185                if (!cfg_enable_i || !trigger_active) begin
                   -6-  
186                  state_d = IdleSt;
                     ==>
187                  cnt_clr = 1'b1;
188                // If the trigger is active, count up.
189                end else begin
190                  if (cnt_done) begin
                     -7-  
191                    state_d = StableSt;
                       ==>
192                    cnt_clr = 1'b1;
193                    event_detected_o = 1'b1;
194                    event_detected_pulse_o = 1'b1;
195                  end
                     MISSING_ELSE
                     ==>
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	T25,T12,T43
IdleSt	0	-	-	-	-	-	-	Covered	T4,T5,T6
DebounceSt	-	1	-	-	-	-	-	Covered	T25,T45
DebounceSt	-	0	1	1	-	-	-	Covered	T25,T12,T43
DebounceSt	-	0	1	0	-	-	-	Covered	T12,T56,T44
DebounceSt	-	0	0	-	-	-	-	Covered	T25,T12,T43
DetectSt	-	-	-	-	1	-	-	Covered	T25,T12,T45
DetectSt	-	-	-	-	0	1	-	Covered	T25,T43,T45
DetectSt	-	-	-	-	0	0	-	Covered	T25,T12,T43
StableSt	-	-	-	-	-	-	1	Covered	T25,T43,T45
StableSt	-	-	-	-	-	-	0	Covered	T25,T43,T45
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	T4,T5,T6
0	Covered	T4,T5,T6

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

Branches:

-1-	Status	Tests
1	Covered	T4,T5,T6
0	Covered	T4,T5,T6

---

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	7758203	742	0	0
CntIncr_A	7758203	41894	0	0
CntNoWrap_A	7758203	7282820	0	0
DetectStDropOut_A	7758203	57	0	0
DetectedOut_A	7758203	12718	0	0
DetectedPulseOut_A	7758203	288	0	0
DisabledIdleSt_A	7758203	6957187	0	0
DisabledNoDetection_A	7758203	6958536	0	0
EnterDebounceSt_A	7758203	393	0	0
EnterDetectSt_A	7758203	350	0	0
EnterStableSt_A	7758203	288	0	0
PulseIsPulse_A	7758203	288	0	0
StayInStableSt	7758203	12388	0	0
gen_high_level_sva.HighLevelEvent_A	7758203	7285475	0	0
gen_not_sticky_sva.StableStDropOut_A	7758203	243	0	0

CntClr_A

Name	Attempts	Real Successes	Failures	Incomplete
Total	7758203	742	0	0
T10	478	0	0	0
T12	0	18	0	0
T25	7314	8	0	0
T39	0	10	0	0
T40	0	12	0	0
T41	0	6	0	0
T43	0	4	0	0
T44	0	28	0	0
T45	0	8	0	0
T56	0	26	0	0
T57	0	2	0	0
T58	462	0	0	0
T59	639	0	0	0
T74	495	0	0	0
T75	491	0	0	0
T80	513	0	0	0
T81	524	0	0	0
T90	447	0	0	0
T91	4402	0	0	0

CntIncr_A

Name	Attempts	Real Successes	Failures	Incomplete
Total	7758203	41894	0	0
T10	478	0	0	0
T12	0	1124	0	0
T25	7314	189	0	0
T39	0	410	0	0
T40	0	318	0	0
T41	0	237	0	0
T43	0	140	0	0
T44	0	1795	0	0
T45	0	210	0	0
T56	0	2490	0	0
T57	0	39	0	0
T58	462	0	0	0
T59	639	0	0	0
T74	495	0	0	0
T75	491	0	0	0
T80	513	0	0	0
T81	524	0	0	0
T90	447	0	0	0
T91	4402	0	0	0

CntNoWrap_A

Name	Attempts	Real Successes	Failures	Incomplete
Total	7758203	7282820	0	0
T1	786	385	0	0
T2	510	109	0	0
T3	2489	2088	0	0
T4	425	24	0	0
T5	436	35	0	0
T6	528	127	0	0
T14	430	29	0	0
T15	506	105	0	0
T16	492	91	0	0
T17	407	6	0	0

DetectStDropOut_A

Name	Attempts	Real Successes	Failures	Incomplete
Total	7758203	57	0	0
T12	7832	8	0	0
T13	505	0	0	0
T30	10288	0	0	0
T44	0	7	0	0
T83	528	0	0	0
T84	2402	0	0	0
T103	451	0	0	0
T104	0	2	0	0
T132	0	4	0	0
T188	406	0	0	0
T189	831	0	0	0
T265	0	3	0	0
T270	1045	0	0	0
T271	752	0	0	0
T274	0	2	0	0
T275	0	3	0	0
T276	0	9	0	0
T277	0	7	0	0
T278	0	5	0	0

DetectedOut_A

Name	Attempts	Real Successes	Failures	Incomplete
Total	7758203	12718	0	0
T10	478	0	0	0
T25	7314	72	0	0
T39	0	232	0	0
T40	0	451	0	0
T41	0	138	0	0
T43	0	127	0	0
T44	0	72	0	0
T45	0	88	0	0
T56	0	113	0	0
T57	0	40	0	0
T58	462	0	0	0
T59	639	0	0	0
T74	495	0	0	0
T75	491	0	0	0
T80	513	0	0	0
T81	524	0	0	0
T90	447	0	0	0
T91	4402	0	0	0
T279	0	391	0	0

DetectedPulseOut_A

Name	Attempts	Real Successes	Failures	Incomplete
Total	7758203	288	0	0
T10	478	0	0	0
T25	7314	1	0	0
T39	0	5	0	0
T40	0	6	0	0
T41	0	3	0	0
T43	0	2	0	0
T44	0	6	0	0
T45	0	1	0	0
T56	0	12	0	0
T57	0	1	0	0
T58	462	0	0	0
T59	639	0	0	0
T74	495	0	0	0
T75	491	0	0	0
T80	513	0	0	0
T81	524	0	0	0
T90	447	0	0	0
T91	4402	0	0	0
T279	0	8	0	0

DisabledIdleSt_A

Name	Attempts	Real Successes	Failures	Incomplete
Total	7758203	6957187	0	0
T1	786	385	0	0
T2	510	109	0	0
T3	2489	2088	0	0
T4	425	24	0	0
T5	436	35	0	0
T6	528	127	0	0
T14	430	29	0	0
T15	506	105	0	0
T16	492	91	0	0
T17	407	6	0	0

DisabledNoDetection_A

Name	Attempts	Real Successes	Failures	Incomplete
Total	7758203	6958536	0	0
T1	786	386	0	0
T2	510	110	0	0
T3	2489	2089	0	0
T4	425	25	0	0
T5	436	36	0	0
T6	528	128	0	0
T14	430	30	0	0
T15	506	106	0	0
T16	492	92	0	0
T17	407	7	0	0

EnterDebounceSt_A

Name	Attempts	Real Successes	Failures	Incomplete
Total	7758203	393	0	0
T10	478	0	0	0
T12	0	10	0	0
T25	7314	5	0	0
T39	0	5	0	0
T40	0	6	0	0
T41	0	3	0	0
T43	0	2	0	0
T44	0	15	0	0
T45	0	5	0	0
T56	0	14	0	0
T57	0	1	0	0
T58	462	0	0	0
T59	639	0	0	0
T74	495	0	0	0
T75	491	0	0	0
T80	513	0	0	0
T81	524	0	0	0
T90	447	0	0	0
T91	4402	0	0	0

EnterDetectSt_A

Name	Attempts	Real Successes	Failures	Incomplete
Total	7758203	350	0	0
T10	478	0	0	0
T12	0	8	0	0
T25	7314	3	0	0
T39	0	5	0	0
T40	0	6	0	0
T41	0	3	0	0
T43	0	2	0	0
T44	0	13	0	0
T45	0	3	0	0
T56	0	12	0	0
T57	0	1	0	0
T58	462	0	0	0
T59	639	0	0	0
T74	495	0	0	0
T75	491	0	0	0
T80	513	0	0	0
T81	524	0	0	0
T90	447	0	0	0
T91	4402	0	0	0

EnterStableSt_A

Name	Attempts	Real Successes	Failures	Incomplete
Total	7758203	288	0	0
T10	478	0	0	0
T25	7314	1	0	0
T39	0	5	0	0
T40	0	6	0	0
T41	0	3	0	0
T43	0	2	0	0
T44	0	6	0	0
T45	0	1	0	0
T56	0	12	0	0
T57	0	1	0	0
T58	462	0	0	0
T59	639	0	0	0
T74	495	0	0	0
T75	491	0	0	0
T80	513	0	0	0
T81	524	0	0	0
T90	447	0	0	0
T91	4402	0	0	0
T279	0	8	0	0

PulseIsPulse_A

Name	Attempts	Real Successes	Failures	Incomplete
Total	7758203	288	0	0
T10	478	0	0	0
T25	7314	1	0	0
T39	0	5	0	0
T40	0	6	0	0
T41	0	3	0	0
T43	0	2	0	0
T44	0	6	0	0
T45	0	1	0	0
T56	0	12	0	0
T57	0	1	0	0
T58	462	0	0	0
T59	639	0	0	0
T74	495	0	0	0
T75	491	0	0	0
T80	513	0	0	0
T81	524	0	0	0
T90	447	0	0	0
T91	4402	0	0	0
T279	0	8	0	0

StayInStableSt

Name	Attempts	Real Successes	Failures	Incomplete
Total	7758203	12388	0	0
T10	478	0	0	0
T25	7314	71	0	0
T39	0	222	0	0
T40	0	445	0	0
T41	0	135	0	0
T43	0	125	0	0
T44	0	66	0	0
T45	0	87	0	0
T56	0	101	0	0
T57	0	38	0	0
T58	462	0	0	0
T59	639	0	0	0
T74	495	0	0	0
T75	491	0	0	0
T80	513	0	0	0
T81	524	0	0	0
T90	447	0	0	0
T91	4402	0	0	0
T279	0	383	0	0

gen_high_level_sva.HighLevelEvent_A

Name	Attempts	Real Successes	Failures	Incomplete
Total	7758203	7285475	0	0
T1	786	386	0	0
T2	510	110	0	0
T3	2489	2089	0	0
T4	425	25	0	0
T5	436	36	0	0
T6	528	128	0	0
T14	430	30	0	0
T15	506	106	0	0
T16	492	92	0	0
T17	407	7	0	0

gen_not_sticky_sva.StableStDropOut_A

Name	Attempts	Real Successes	Failures	Incomplete
Total	7758203	243	0	0
T40	0	6	0	0
T41	0	3	0	0
T42	0	8	0	0
T43	8207	2	0	0
T44	0	6	0	0
T49	2713	0	0	0
T54	749	0	0	0
T56	0	12	0	0
T68	1084	0	0	0
T77	491	0	0	0
T105	0	1	0	0
T134	522	0	0	0
T135	402	0	0	0
T136	422	0	0	0
T194	502	0	0	0
T195	8510	0	0	0
T259	0	1	0	0
T261	0	7	0	0
T279	0	8	0	0