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
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[1].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[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:       T11 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:       T11 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:       T1 T29 T10 
93                                       (cnt_en)  ? cnt_q + 1'b1 :
94                                                   cnt_q;
95                      
96                      
97                        logic cnt_done, thresh_sel;
98                        logic [TimerWidth-1:0] thresh;
99         1/1            assign thresh = (thresh_sel) ? TimerWidth'(cfg_detect_timer_i) :
           Tests:       T1 T18 T3 
100                                                      TimerWidth'(cfg_debounce_timer_i);
101        1/1            assign cnt_done = (cnt_q >= thresh);
           Tests:       T1 T18 T3 
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 T1 
105        1/1                cnt_q <= '0;
           Tests:       T4 T5 T1 
106                         end else begin
107        1/1                cnt_q <= cnt_d;
           Tests:       T4 T5 T1 
108                         end
109                       end
110                     
111                       /////////
112                       // FSM //
113                       /////////
114                     
115                       typedef enum logic [1:0] {
116                         IdleSt,
117                         DebounceSt,
118                         DetectSt,
119                         StableSt
120                       } state_t;
121                     
122                       state_t state_d, state_q;
123                     
124                       always_comb begin : p_fsm
125        1/1              state_d = state_q;
           Tests:       T1 T29 T10 
126                     
127                         // Counter controls (clear has priority).
128        1/1              cnt_clr = 1'b0;
           Tests:       T1 T29 T10 
129        1/1              cnt_en = 1'b0;
           Tests:       T1 T29 T10 
130                     
131                         // Detected outputs
132        1/1              event_detected_o = 1'b0;
           Tests:       T1 T29 T10 
133        1/1              event_detected_pulse_o = 1'b0;
           Tests:       T1 T29 T10 
134                     
135                         // Threshold select
136                         // 0: debounce
137                         // 1: detect
138        1/1              thresh_sel = 1'b0;
           Tests:       T1 T29 T10 
139                     
140        1/1              unique case (state_q)
           Tests:       T1 T29 T10 
141                           ////////////////////////////////////////////
142                           // We are waiting for the event to occur.
143                           // This can be either a specific level or edge,
144                           // depending on the configuration.
145                           IdleSt: begin
146                             // Stay here if the detector is disabled.
147        1/1                  if (trigger_event && cfg_enable_i) begin
           Tests:       T1 T29 T10 
148        1/1                    state_d = DebounceSt;
           Tests:       T1 T29 T10 
149        1/1                    cnt_en = 1'b1;
           Tests:       T1 T29 T10 
150                             end
                        MISSING_ELSE
151                           end
152                           ////////////////////////////////////////////
153                           // If an event has occurred, we back off for
154                           // the amount of debounce cycles configured.
155                           // Once the timer has expired, we sample the
156                           // signal again and check whether it has the
157                           // correct level. If so, we move on to the
158                           // detection stage, otherwise we fall back.
159                           DebounceSt: begin
160        1/1                  cnt_en = 1'b1;
           Tests:       T1 T29 T10 
161                             // Unconditionally go back to idle if the detector is disabled.
162        1/1                  if (!cfg_enable_i) begin
           Tests:       T1 T29 T10 
163        1/1                    state_d = IdleSt;
           Tests:       T11 T30 
164        1/1                    cnt_clr = 1'b1;
           Tests:       T11 T30 
165        1/1                  end else if (cnt_done) begin
           Tests:       T1 T29 T10 
166        1/1                    cnt_clr = 1'b1;
           Tests:       T1 T29 T10 
167        1/1                    if (trigger_active) begin
           Tests:       T1 T29 T10 
168        1/1                      state_d = DetectSt;
           Tests:       T1 T29 T10 
169                               end else begin
170        1/1                      state_d = IdleSt;
           Tests:       T11 T30 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:       T1 T29 T10 
182        1/1                  cnt_en = 1'b1;
           Tests:       T1 T29 T10 
183                             // Go back to idle if either the trigger level is not active anymore, or if the
184                             // detector is disabled.
185        1/1                  if (!cfg_enable_i || !trigger_active) begin
           Tests:       T1 T29 T10 
186        1/1                    state_d = IdleSt;
           Tests:       T11 T30 T31 
187        1/1                    cnt_clr = 1'b1;
           Tests:       T11 T30 T31 
188                             // If the trigger is active, count up.
189                             end else begin
190        1/1                    if (cnt_done) begin
           Tests:       T1 T29 T10 
191        1/1                      state_d = StableSt;
           Tests:       T1 T29 T10 
192        1/1                      cnt_clr = 1'b1;
           Tests:       T1 T29 T10 
193        1/1                      event_detected_o = 1'b1;
           Tests:       T1 T29 T10 
194        1/1                      event_detected_pulse_o = 1'b1;
           Tests:       T1 T29 T10 
195                               end
                        MISSING_ELSE
196                             end
197                           end
198                           ////////////////////////////////////////////
199                           // At this point we have detected the event
200                           // and monitor whether the signal remains stable.
201                           StableSt: begin
202                             // Go back to idle if either the trigger level is not active anymore, or if the detector is
203                             // disabled. Note that if the detector is sticky, it has to be explicitly disabled in order
204                             // to go back to the idle state.
205        1/1                  if (!cfg_enable_i || (!trigger_active && !Sticky)) begin
           Tests:       T1 T29 T10 
206        1/1                    state_d = IdleSt;
           Tests:       T11 T30 T37 
207                             // Otherwise keep the event detected output signal high.
208                             end else begin
209        1/1                    event_detected_o = 1'b1;
           Tests:       T1 T29 T10 
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 T1 
220        1/1                state_q <= IdleSt;
           Tests:       T4 T5 T1 
221                         end else begin
222        1/1                state_q <= state_d;
           Tests:       T4 T5 T1 

---

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	T11,T30,T31
1	Covered	T4,T5,T1

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

-1-	Status	Tests
0	Covered	T4,T5,T1
1	Covered	T1,T29,T10

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

-1-	Status	Tests
0	Covered	T4,T5,T1
1	Covered	T1,T29,T10

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

-1-	Status	Tests
0	Covered	T4,T5,T1
1	Covered	T1,T29,T10

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

-1-	-2-	Status	Tests
0	1	Covered	T11,T30,T31
1	0	Covered	T11,T30,T31
1	1	Covered	T1,T29,T10

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

-1-	-2-	Status	Tests
0	0	Covered	T1,T29,T10
0	1	Covered	T11,T30,T31
1	0	Covered	T11,T30,T31

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

-1-	-2-	Status	Tests
0	0	Covered	T1,T29,T10
0	1	Covered	T11,T30,T37
1	0	Covered	T11,T30,T262

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

-1-	-2-	Status	Tests
0	-	Covered	T1,T29,T10
1	-	Covered	T11,T30,T37

---

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

Summary for FSM :: state_q

	Total	Covered	Percent
States	4	4	100.00	(Not included in score)
Transitions	6	6	100.00
Sequences	0	0

State, Transition and Sequence Details for FSM :: state_q

---

states	Line No.	Covered	Tests
DebounceSt	148	Covered	T1,T29,T10
DetectSt	168	Covered	T1,T29,T10
IdleSt	163	Covered	T4,T5,T1
StableSt	191	Covered	T1,T29,T10

transitions	Line No.	Covered	Tests
DebounceSt->DetectSt	168	Covered	T1,T29,T10
DebounceSt->IdleSt	163	Covered	T11,T30,T97
DetectSt->IdleSt	186	Covered	T11,T30,T31
DetectSt->StableSt	191	Covered	T1,T29,T10
IdleSt->DebounceSt	148	Covered	T1,T29,T10
StableSt->IdleSt	206	Covered	T11,T30,T37

---

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

	Line No.	Total	Covered	Percent
Branches		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	T1,T29,T10
0	1	Covered	T1,T29,T10
0	0	Covered	T4,T5,T1

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

Branches:

-1-	Status	Tests
1	Covered	T1,T29,T10
0	Covered	T4,T5,T1

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,T1
0	Covered	T4,T5,T1

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	T1,T29,T10
IdleSt	0	-	-	-	-	-	-	Covered	T11,T30,T31
DebounceSt	-	1	-	-	-	-	-	Covered	T11,T30
DebounceSt	-	0	1	1	-	-	-	Covered	T1,T29,T10
DebounceSt	-	0	1	0	-	-	-	Covered	T11,T30,T97
DebounceSt	-	0	0	-	-	-	-	Covered	T1,T29,T10
DetectSt	-	-	-	-	1	-	-	Covered	T11,T30,T31
DetectSt	-	-	-	-	0	1	-	Covered	T1,T29,T10
DetectSt	-	-	-	-	0	0	-	Covered	T1,T29,T10
StableSt	-	-	-	-	-	-	1	Covered	T11,T30,T37
StableSt	-	-	-	-	-	-	0	Covered	T1,T29,T10
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,T1
0	Covered	T4,T5,T1

---

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	6968781	3088	0	0
CntIncr_A	6968781	112443	0	0
CntNoWrap_A	6968781	6507209	0	0
DetectStDropOut_A	6968781	385	0	0
DetectedOut_A	6968781	87590	0	0
DetectedPulseOut_A	6968781	949	0	0
DisabledIdleSt_A	6968781	6029942	0	0
DisabledNoDetection_A	6968781	6031564	0	0
EnterDebounceSt_A	6968781	1555	0	0
EnterDetectSt_A	6968781	1533	0	0
EnterStableSt_A	6968781	949	0	0
PulseIsPulse_A	6968781	949	0	0
StayInStableSt	6968781	86519	0	0
gen_high_event_sva.HighLevelEvent_A	6968781	6512128	0	0
gen_high_level_sva.HighLevelEvent_A	6968781	6512128	0	0
gen_not_sticky_sva.StableStDropOut_A	6968781	817	0	0

CntClr_A

Name	Attempts	Real Successes	Failures	Incomplete
Total	6968781	3088	0	0
T1	522	2	0	0
T2	2225	0	0	0
T10	0	2	0	0
T11	0	17	0	0
T13	499	0	0	0
T14	405	0	0	0
T15	652	0	0	0
T16	408	0	0	0
T17	524	0	0	0
T18	446	0	0	0
T19	526	0	0	0
T20	424	0	0	0
T29	0	2	0	0
T30	0	16	0	0
T31	0	36	0	0
T37	0	28	0	0
T56	0	2	0	0
T82	0	2	0	0
T83	0	26	0	0

CntIncr_A

Name	Attempts	Real Successes	Failures	Incomplete
Total	6968781	112443	0	0
T1	522	21	0	0
T2	2225	0	0	0
T10	0	21	0	0
T11	0	493	0	0
T13	499	0	0	0
T14	405	0	0	0
T15	652	0	0	0
T16	408	0	0	0
T17	524	0	0	0
T18	446	0	0	0
T19	526	0	0	0
T20	424	0	0	0
T29	0	21	0	0
T30	0	659	0	0
T31	0	1225	0	0
T37	0	1036	0	0
T56	0	21	0	0
T82	0	21	0	0
T83	0	1508	0	0

CntNoWrap_A

Name	Attempts	Real Successes	Failures	Incomplete
Total	6968781	6507209	0	0
T1	522	119	0	0
T2	2225	1824	0	0
T4	496	95	0	0
T5	423	22	0	0
T13	499	98	0	0
T14	405	4	0	0
T15	652	251	0	0
T16	408	7	0	0
T17	524	123	0	0
T18	446	45	0	0

DetectStDropOut_A

Name	Attempts	Real Successes	Failures	Incomplete
Total	6968781	385	0	0
T11	7404	1	0	0
T12	658	0	0	0
T28	634	0	0	0
T30	0	1	0	0
T31	0	10	0	0
T51	3934	0	0	0
T52	780	0	0	0
T53	487	0	0	0
T54	443	0	0	0
T63	502	0	0	0
T64	496	0	0	0
T84	0	6	0	0
T87	0	16	0	0
T88	1867	0	0	0
T108	0	7	0	0
T109	0	23	0	0
T110	0	26	0	0
T112	0	2	0	0
T114	0	24	0	0

DetectedOut_A

Name	Attempts	Real Successes	Failures	Incomplete
Total	6968781	87590	0	0
T1	522	97	0	0
T2	2225	0	0	0
T10	0	75	0	0
T11	0	430	0	0
T13	499	0	0	0
T14	405	0	0	0
T15	652	0	0	0
T16	408	0	0	0
T17	524	0	0	0
T18	446	0	0	0
T19	526	0	0	0
T20	424	0	0	0
T29	0	43	0	0
T30	0	420	0	0
T37	0	855	0	0
T38	0	357	0	0
T56	0	45	0	0
T82	0	42	0	0
T83	0	881	0	0

DetectedPulseOut_A

Name	Attempts	Real Successes	Failures	Incomplete
Total	6968781	949	0	0
T1	522	1	0	0
T2	2225	0	0	0
T10	0	1	0	0
T11	0	5	0	0
T13	499	0	0	0
T14	405	0	0	0
T15	652	0	0	0
T16	408	0	0	0
T17	524	0	0	0
T18	446	0	0	0
T19	526	0	0	0
T20	424	0	0	0
T29	0	1	0	0
T30	0	5	0	0
T37	0	14	0	0
T38	0	12	0	0
T56	0	1	0	0
T82	0	1	0	0
T83	0	13	0	0

DisabledIdleSt_A

Name	Attempts	Real Successes	Failures	Incomplete
Total	6968781	6029942	0	0
T1	522	3	0	0
T2	2225	1824	0	0
T4	496	95	0	0
T5	423	22	0	0
T13	499	98	0	0
T14	405	4	0	0
T15	652	251	0	0
T16	408	7	0	0
T17	524	123	0	0
T18	446	45	0	0

DisabledNoDetection_A

Name	Attempts	Real Successes	Failures	Incomplete
Total	6968781	6031564	0	0
T1	522	3	0	0
T2	2225	1825	0	0
T4	496	96	0	0
T5	423	23	0	0
T13	499	99	0	0
T14	405	5	0	0
T15	652	252	0	0
T16	408	8	0	0
T17	524	124	0	0
T18	446	46	0	0

EnterDebounceSt_A

Name	Attempts	Real Successes	Failures	Incomplete
Total	6968781	1555	0	0
T1	522	1	0	0
T2	2225	0	0	0
T10	0	1	0	0
T11	0	10	0	0
T13	499	0	0	0
T14	405	0	0	0
T15	652	0	0	0
T16	408	0	0	0
T17	524	0	0	0
T18	446	0	0	0
T19	526	0	0	0
T20	424	0	0	0
T29	0	1	0	0
T30	0	9	0	0
T31	0	18	0	0
T37	0	14	0	0
T56	0	1	0	0
T82	0	1	0	0
T83	0	13	0	0

EnterDetectSt_A

Name	Attempts	Real Successes	Failures	Incomplete
Total	6968781	1533	0	0
T1	522	1	0	0
T2	2225	0	0	0
T10	0	1	0	0
T11	0	7	0	0
T13	499	0	0	0
T14	405	0	0	0
T15	652	0	0	0
T16	408	0	0	0
T17	524	0	0	0
T18	446	0	0	0
T19	526	0	0	0
T20	424	0	0	0
T29	0	1	0	0
T30	0	7	0	0
T31	0	18	0	0
T37	0	14	0	0
T56	0	1	0	0
T82	0	1	0	0
T83	0	13	0	0

EnterStableSt_A

Name	Attempts	Real Successes	Failures	Incomplete
Total	6968781	949	0	0
T1	522	1	0	0
T2	2225	0	0	0
T10	0	1	0	0
T11	0	5	0	0
T13	499	0	0	0
T14	405	0	0	0
T15	652	0	0	0
T16	408	0	0	0
T17	524	0	0	0
T18	446	0	0	0
T19	526	0	0	0
T20	424	0	0	0
T29	0	1	0	0
T30	0	5	0	0
T37	0	14	0	0
T38	0	12	0	0
T56	0	1	0	0
T82	0	1	0	0
T83	0	13	0	0

PulseIsPulse_A

Name	Attempts	Real Successes	Failures	Incomplete
Total	6968781	949	0	0
T1	522	1	0	0
T2	2225	0	0	0
T10	0	1	0	0
T11	0	5	0	0
T13	499	0	0	0
T14	405	0	0	0
T15	652	0	0	0
T16	408	0	0	0
T17	524	0	0	0
T18	446	0	0	0
T19	526	0	0	0
T20	424	0	0	0
T29	0	1	0	0
T30	0	5	0	0
T37	0	14	0	0
T38	0	12	0	0
T56	0	1	0	0
T82	0	1	0	0
T83	0	13	0	0

StayInStableSt

Name	Attempts	Real Successes	Failures	Incomplete
Total	6968781	86519	0	0
T1	522	95	0	0
T2	2225	0	0	0
T10	0	73	0	0
T11	0	425	0	0
T13	499	0	0	0
T14	405	0	0	0
T15	652	0	0	0
T16	408	0	0	0
T17	524	0	0	0
T18	446	0	0	0
T19	526	0	0	0
T20	424	0	0	0
T29	0	41	0	0
T30	0	415	0	0
T37	0	840	0	0
T38	0	344	0	0
T56	0	43	0	0
T82	0	40	0	0
T83	0	868	0	0

gen_high_event_sva.HighLevelEvent_A

Name	Attempts	Real Successes	Failures	Incomplete
Total	6968781	6512128	0	0
T1	522	122	0	0
T2	2225	1825	0	0
T4	496	96	0	0
T5	423	23	0	0
T13	499	99	0	0
T14	405	5	0	0
T15	652	252	0	0
T16	408	8	0	0
T17	524	124	0	0
T18	446	46	0	0

gen_high_level_sva.HighLevelEvent_A

Name	Attempts	Real Successes	Failures	Incomplete
Total	6968781	6512128	0	0
T1	522	122	0	0
T2	2225	1825	0	0
T4	496	96	0	0
T5	423	23	0	0
T13	499	99	0	0
T14	405	5	0	0
T15	652	252	0	0
T16	408	8	0	0
T17	524	124	0	0
T18	446	46	0	0

gen_not_sticky_sva.StableStDropOut_A

Name	Attempts	Real Successes	Failures	Incomplete
Total	6968781	817	0	0
T11	7404	4	0	0
T12	658	0	0	0
T28	634	0	0	0
T30	0	4	0	0
T37	0	13	0	0
T38	0	11	0	0
T51	3934	0	0	0
T52	780	0	0	0
T53	487	0	0	0
T54	443	0	0	0
T63	502	0	0	0
T64	496	0	0	0
T83	0	13	0	0
T85	0	9	0	0
T86	0	11	0	0
T88	1867	0	0	0
T263	0	17	0	0
T264	0	26	0	0
T265	0	20	0	0

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

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

59                        end else begin : gen_trigger_active_high
60         1/1              assign trigger_active = (trigger_i == 1'b1);
           Tests:       T1 T18 T7 
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 T1 
70         1/1                  trigger_active_q <= 1'b0;
           Tests:       T4 T5 T1 
71                            end else begin
72         1/1                  trigger_active_q <= trigger_active;
           Tests:       T4 T5 T1 
73                            end
74                          end
75                      
76         1/1              assign trigger_event = trigger_active & ~trigger_active_q;
           Tests:       T4 T5 T1 
77                        // In case of level events, the event is equal to the level being active.
78                        end else begin : gen_trigger_event_level
79                          assign trigger_event = trigger_active;
80                        end
81                      
82                        /////////////////
83                        // Timer Logic //
84                        /////////////////
85                      
86                        // Take the maximum width of both timer values.
87                        localparam int unsigned TimerWidth =
88                            (DetectTimerWidth > DebounceTimerWidth) ? DetectTimerWidth : DebounceTimerWidth;
89                      
90                        logic cnt_en, cnt_clr;
91                        logic [TimerWidth-1:0] cnt_d, cnt_q;
92         1/1            assign cnt_d = (cnt_clr) ? '0           :
           Tests:       T1 T18 T7 
93                                       (cnt_en)  ? cnt_q + 1'b1 :
94                                                   cnt_q;
95                      
96                      
97                        logic cnt_done, thresh_sel;
98                        logic [TimerWidth-1:0] thresh;
99         1/1            assign thresh = (thresh_sel) ? TimerWidth'(cfg_detect_timer_i) :
           Tests:       T1 T18 T3 
100                                                      TimerWidth'(cfg_debounce_timer_i);
101        1/1            assign cnt_done = (cnt_q >= thresh);
           Tests:       T1 T18 T3 
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 T1 
105        1/1                cnt_q <= '0;
           Tests:       T4 T5 T1 
106                         end else begin
107        1/1                cnt_q <= cnt_d;
           Tests:       T4 T5 T1 
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 T1 
126                     
127                         // Counter controls (clear has priority).
128        1/1              cnt_clr = 1'b0;
           Tests:       T4 T5 T1 
129        1/1              cnt_en = 1'b0;
           Tests:       T4 T5 T1 
130                     
131                         // Detected outputs
132        1/1              event_detected_o = 1'b0;
           Tests:       T4 T5 T1 
133        1/1              event_detected_pulse_o = 1'b0;
           Tests:       T4 T5 T1 
134                     
135                         // Threshold select
136                         // 0: debounce
137                         // 1: detect
138        1/1              thresh_sel = 1'b0;
           Tests:       T4 T5 T1 
139                     
140        1/1              unique case (state_q)
           Tests:       T4 T5 T1 
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 T1 
148        1/1                    state_d = DebounceSt;
           Tests:       T1 T18 T7 
149        1/1                    cnt_en = 1'b1;
           Tests:       T1 T18 T7 
150                             end
                        MISSING_ELSE
151                           end
152                           ////////////////////////////////////////////
153                           // If an event has occurred, we back off for
154                           // the amount of debounce cycles configured.
155                           // Once the timer has expired, we sample the
156                           // signal again and check whether it has the
157                           // correct level. If so, we move on to the
158                           // detection stage, otherwise we fall back.
159                           DebounceSt: begin
160        1/1                  cnt_en = 1'b1;
           Tests:       T1 T18 T7 
161                             // Unconditionally go back to idle if the detector is disabled.
162        1/1                  if (!cfg_enable_i) begin
           Tests:       T1 T18 T7 
163        1/1                    state_d = IdleSt;
           Tests:       T11 T30 
164        1/1                    cnt_clr = 1'b1;
           Tests:       T11 T30 
165        1/1                  end else if (cnt_done) begin
           Tests:       T1 T18 T7 
166        1/1                    cnt_clr = 1'b1;
           Tests:       T1 T18 T7 
167        1/1                    if (trigger_active) begin
           Tests:       T1 T18 T7 
168        1/1                      state_d = DetectSt;
           Tests:       T1 T7 T10 
169                               end else begin
170        1/1                      state_d = IdleSt;
           Tests:       T18 T29 T54 
171                               end
172                             end
                        MISSING_ELSE
173                           end
174                           ////////////////////////////////////////////
175                           // Once the debounce period has passed, we
176                           // check whether the signal remains stable
177                           // throughout the entire detection period.
178                           // If it is not stable at any cycle, we fall
179                           // back to idle.
180                           DetectSt: begin
181        1/1                  thresh_sel = 1'b1;
           Tests:       T1 T7 T10 
182        1/1                  cnt_en = 1'b1;
           Tests:       T1 T7 T10 
183                             // Go back to idle if either the trigger level is not active anymore, or if the
184                             // detector is disabled.
185        1/1                  if (!cfg_enable_i || !trigger_active) begin
           Tests:       T1 T7 T10 
186        1/1                    state_d = IdleSt;
           Tests:       T11 T30 T44 
187        1/1                    cnt_clr = 1'b1;
           Tests:       T11 T30 T44 
188                             // If the trigger is active, count up.
189                             end else begin
190        1/1                    if (cnt_done) begin
           Tests:       T1 T7 T10 
191        1/1                      state_d = StableSt;
           Tests:       T1 T7 T10 
192        1/1                      cnt_clr = 1'b1;
           Tests:       T1 T7 T10 
193        1/1                      event_detected_o = 1'b1;
           Tests:       T1 T7 T10 
194        1/1                      event_detected_pulse_o = 1'b1;
           Tests:       T1 T7 T10 
195                               end
                        MISSING_ELSE
196                             end
197                           end
198                           ////////////////////////////////////////////
199                           // At this point we have detected the event
200                           // and monitor whether the signal remains stable.
201                           StableSt: begin
202                             // Go back to idle if either the trigger level is not active anymore, or if the detector is
203                             // disabled. Note that if the detector is sticky, it has to be explicitly disabled in order
204                             // to go back to the idle state.
205        1/1                  if (!cfg_enable_i || (!trigger_active && !Sticky)) begin
           Tests:       T1 T7 T10 
206        1/1                    state_d = IdleSt;
           Tests:       T1 T7 T10 
207                             // Otherwise keep the event detected output signal high.
208                             end else begin
209        1/1                    event_detected_o = 1'b1;
           Tests:       T1 T7 T10 
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 T1 
220        1/1                state_q <= IdleSt;
           Tests:       T4 T5 T1 
221                         end else begin
222        1/1                state_q <= state_d;
           Tests:       T4 T5 T1 

---

Cond Coverage for Instance : tb.dut.u_sysrst_ctrl_combo.gen_combo_trigger[0].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	T1,T18,T7
1	Covered	T4,T5,T1

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

-1-	-2-	Status	Tests
0	1	Covered	T1,T18,T7
1	0	Covered	T4,T5,T1
1	1	Covered	T4,T5,T1

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

-1-	Status	Tests
0	Covered	T4,T5,T1
1	Covered	T1,T18,T7

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

-1-	Status	Tests	Exclude Annotation
0	Excluded	T4,T5,T1	VC_COV_UNR
1	Covered	T1,T18,T7

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

-1-	Status	Tests
0	Covered	T4,T5,T1
1	Covered	T1,T7,T10

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

-1-	-2-	Status	Tests
0	1	Covered	T1,T18,T7
1	0	Covered	T11,T51,T88
1	1	Covered	T1,T18,T7

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

-1-	-2-	Status	Tests
0	0	Covered	T1,T7,T10
0	1	Covered	T44,T105,T106
1	0	Covered	T11,T30

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

-1-	-2-	Status	Tests
0	0	Covered	T1,T7,T10
0	1	Covered	T1,T7,T10
1	0	Covered	T30

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

-1-	-2-	Status	Tests
0	-	Covered	T1,T7,T10
1	-	Covered	T1,T7,T10

---

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

Summary for FSM :: state_q

	Total	Covered	Percent
States	4	4	100.00	(Not included in score)
Transitions	6	6	100.00
Sequences	0	0

State, Transition and Sequence Details for FSM :: state_q

---

states	Line No.	Covered	Tests
DebounceSt	148	Covered	T1,T18,T7
DetectSt	168	Covered	T1,T7,T10
IdleSt	163	Covered	T4,T5,T1
StableSt	191	Covered	T1,T7,T10

transitions	Line No.	Covered	Tests
DebounceSt->DetectSt	168	Covered	T1,T7,T10
DebounceSt->IdleSt	163	Covered	T18,T29,T11
DetectSt->IdleSt	186	Covered	T11,T30,T44
DetectSt->StableSt	191	Covered	T1,T7,T10
IdleSt->DebounceSt	148	Covered	T1,T18,T7
StableSt->IdleSt	206	Covered	T1,T7,T10

---

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	T1,T18,T7
0	1	Covered	T1,T18,T7
0	0	Excluded	T4,T5,T1	VC_COV_UNR

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

Branches:

-1-	Status	Tests
1	Covered	T1,T7,T10
0	Covered	T4,T5,T1

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,T1
0	Covered	T4,T5,T1

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

Branches:

-1-	-2-	-3-	-4-	-5-	-6-	-7-	-8-	Status	Tests	Exclude Annotation
IdleSt	1	-	-	-	-	-	-	Covered	T1,T18,T7
IdleSt	0	-	-	-	-	-	-	Covered	T4,T5,T1
DebounceSt	-	1	-	-	-	-	-	Covered	T11,T30
DebounceSt	-	0	1	1	-	-	-	Covered	T1,T7,T10
DebounceSt	-	0	1	0	-	-	-	Covered	T18,T29,T54
DebounceSt	-	0	0	-	-	-	-	Covered	T1,T18,T7
DetectSt	-	-	-	-	1	-	-	Covered	T11,T30,T44
DetectSt	-	-	-	-	0	1	-	Covered	T1,T7,T10
DetectSt	-	-	-	-	0	0	-	Covered	T1,T7,T10
StableSt	-	-	-	-	-	-	1	Covered	T1,T7,T10
StableSt	-	-	-	-	-	-	0	Covered	T1,T7,T10
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,T1
0	Covered	T4,T5,T1

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,T1
0	Covered	T4,T5,T1

---

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	6968781	695	0	0
CntIncr_A	6968781	36979	0	0
CntNoWrap_A	6968781	6509602	0	0
DetectStDropOut_A	6968781	38	0	0
DetectedOut_A	6968781	13979	0	0
DetectedPulseOut_A	6968781	287	0	0
DisabledIdleSt_A	6968781	6161137	0	0
DisabledNoDetection_A	6968781	6162372	0	0
EnterDebounceSt_A	6968781	366	0	0
EnterDetectSt_A	6968781	329	0	0
EnterStableSt_A	6968781	287	0	0
PulseIsPulse_A	6968781	287	0	0
StayInStableSt	6968781	13659	0	0
gen_high_level_sva.HighLevelEvent_A	6968781	6512128	0	0
gen_not_sticky_sva.StableStDropOut_A	6968781	253	0	0

CntClr_A

Name	Attempts	Real Successes	Failures	Incomplete
Total	6968781	695	0	0
T1	522	2	0	0
T2	2225	0	0	0
T7	0	2	0	0
T10	0	2	0	0
T11	0	8	0	0
T13	499	0	0	0
T14	405	0	0	0
T15	652	0	0	0
T16	408	0	0	0
T17	524	0	0	0
T18	446	1	0	0
T19	526	0	0	0
T20	424	0	0	0
T29	0	1	0	0
T53	0	2	0	0
T54	0	1	0	0
T56	0	1	0	0
T57	0	1	0	0

CntIncr_A

Name	Attempts	Real Successes	Failures	Incomplete
Total	6968781	36979	0	0
T1	522	25	0	0
T2	2225	0	0	0
T7	0	25	0	0
T10	0	25	0	0
T11	0	256	0	0
T13	499	0	0	0
T14	405	0	0	0
T15	652	0	0	0
T16	408	0	0	0
T17	524	0	0	0
T18	446	20	0	0
T19	526	0	0	0
T20	424	0	0	0
T29	0	20	0	0
T53	0	25	0	0
T54	0	20	0	0
T56	0	20	0	0
T57	0	20	0	0

CntNoWrap_A

Name	Attempts	Real Successes	Failures	Incomplete
Total	6968781	6509602	0	0
T1	522	119	0	0
T2	2225	1824	0	0
T4	496	95	0	0
T5	423	22	0	0
T13	499	98	0	0
T14	405	4	0	0
T15	652	251	0	0
T16	408	7	0	0
T17	524	123	0	0
T18	446	44	0	0

DetectStDropOut_A

Name	Attempts	Real Successes	Failures	Incomplete
Total	6968781	38	0	0
T44	10550	2	0	0
T105	0	3	0	0
T106	0	2	0	0
T107	0	1	0	0
T111	0	2	0	0
T113	0	7	0	0
T115	0	3	0	0
T116	0	9	0	0
T117	0	4	0	0
T118	0	3	0	0
T119	13413	0	0	0
T120	519	0	0	0
T121	726	0	0	0
T122	8402	0	0	0
T123	428	0	0	0
T124	1052	0	0	0
T125	437	0	0	0
T126	426	0	0	0
T127	501	0	0	0

DetectedOut_A

Name	Attempts	Real Successes	Failures	Incomplete
Total	6968781	13979	0	0
T1	522	3	0	0
T2	2225	0	0	0
T7	0	3	0	0
T10	0	3	0	0
T11	0	98	0	0
T13	499	0	0	0
T14	405	0	0	0
T15	652	0	0	0
T16	408	0	0	0
T17	524	0	0	0
T18	446	0	0	0
T19	526	0	0	0
T20	424	0	0	0
T30	0	78	0	0
T37	0	50	0	0
T39	0	47	0	0
T40	0	184	0	0
T41	0	262	0	0
T53	0	3	0	0

DetectedPulseOut_A

Name	Attempts	Real Successes	Failures	Incomplete
Total	6968781	287	0	0
T1	522	1	0	0
T2	2225	0	0	0
T7	0	1	0	0
T10	0	1	0	0
T11	0	1	0	0
T13	499	0	0	0
T14	405	0	0	0
T15	652	0	0	0
T16	408	0	0	0
T17	524	0	0	0
T18	446	0	0	0
T19	526	0	0	0
T20	424	0	0	0
T30	0	1	0	0
T37	0	1	0	0
T39	0	2	0	0
T40	0	5	0	0
T41	0	6	0	0
T53	0	1	0	0

DisabledIdleSt_A

Name	Attempts	Real Successes	Failures	Incomplete
Total	6968781	6161137	0	0
T1	522	25	0	0
T2	2225	1824	0	0
T4	496	95	0	0
T5	423	22	0	0
T13	499	98	0	0
T14	405	4	0	0
T15	652	251	0	0
T16	408	7	0	0
T17	524	123	0	0
T18	446	3	0	0

DisabledNoDetection_A

Name	Attempts	Real Successes	Failures	Incomplete
Total	6968781	6162372	0	0
T1	522	25	0	0
T2	2225	1825	0	0
T4	496	96	0	0
T5	423	23	0	0
T13	499	99	0	0
T14	405	5	0	0
T15	652	252	0	0
T16	408	8	0	0
T17	524	124	0	0
T18	446	3	0	0

EnterDebounceSt_A

Name	Attempts	Real Successes	Failures	Incomplete
Total	6968781	366	0	0
T1	522	1	0	0
T2	2225	0	0	0
T7	0	1	0	0
T10	0	1	0	0
T11	0	5	0	0
T13	499	0	0	0
T14	405	0	0	0
T15	652	0	0	0
T16	408	0	0	0
T17	524	0	0	0
T18	446	1	0	0
T19	526	0	0	0
T20	424	0	0	0
T29	0	1	0	0
T53	0	1	0	0
T54	0	1	0	0
T56	0	1	0	0
T57	0	1	0	0

EnterDetectSt_A

Name	Attempts	Real Successes	Failures	Incomplete
Total	6968781	329	0	0
T1	522	1	0	0
T2	2225	0	0	0
T7	0	1	0	0
T10	0	1	0	0
T11	0	3	0	0
T13	499	0	0	0
T14	405	0	0	0
T15	652	0	0	0
T16	408	0	0	0
T17	524	0	0	0
T18	446	0	0	0
T19	526	0	0	0
T20	424	0	0	0
T30	0	3	0	0
T37	0	1	0	0
T39	0	2	0	0
T40	0	5	0	0
T41	0	6	0	0
T53	0	1	0	0

EnterStableSt_A

Name	Attempts	Real Successes	Failures	Incomplete
Total	6968781	287	0	0
T1	522	1	0	0
T2	2225	0	0	0
T7	0	1	0	0
T10	0	1	0	0
T11	0	1	0	0
T13	499	0	0	0
T14	405	0	0	0
T15	652	0	0	0
T16	408	0	0	0
T17	524	0	0	0
T18	446	0	0	0
T19	526	0	0	0
T20	424	0	0	0
T30	0	1	0	0
T37	0	1	0	0
T39	0	2	0	0
T40	0	5	0	0
T41	0	6	0	0
T53	0	1	0	0

PulseIsPulse_A

Name	Attempts	Real Successes	Failures	Incomplete
Total	6968781	287	0	0
T1	522	1	0	0
T2	2225	0	0	0
T7	0	1	0	0
T10	0	1	0	0
T11	0	1	0	0
T13	499	0	0	0
T14	405	0	0	0
T15	652	0	0	0
T16	408	0	0	0
T17	524	0	0	0
T18	446	0	0	0
T19	526	0	0	0
T20	424	0	0	0
T30	0	1	0	0
T37	0	1	0	0
T39	0	2	0	0
T40	0	5	0	0
T41	0	6	0	0
T53	0	1	0	0

StayInStableSt

Name	Attempts	Real Successes	Failures	Incomplete
Total	6968781	13659	0	0
T1	522	2	0	0
T2	2225	0	0	0
T7	0	2	0	0
T10	0	2	0	0
T11	0	97	0	0
T13	499	0	0	0
T14	405	0	0	0
T15	652	0	0	0
T16	408	0	0	0
T17	524	0	0	0
T18	446	0	0	0
T19	526	0	0	0
T20	424	0	0	0
T30	0	77	0	0
T37	0	49	0	0
T39	0	45	0	0
T40	0	179	0	0
T41	0	256	0	0
T53	0	2	0	0

gen_high_level_sva.HighLevelEvent_A

Name	Attempts	Real Successes	Failures	Incomplete
Total	6968781	6512128	0	0
T1	522	122	0	0
T2	2225	1825	0	0
T4	496	96	0	0
T5	423	23	0	0
T13	499	99	0	0
T14	405	5	0	0
T15	652	252	0	0
T16	408	8	0	0
T17	524	124	0	0
T18	446	46	0	0

gen_not_sticky_sva.StableStDropOut_A

Name	Attempts	Real Successes	Failures	Incomplete
Total	6968781	253	0	0
T1	522	1	0	0
T2	2225	0	0	0
T7	0	1	0	0
T10	0	1	0	0
T11	0	1	0	0
T13	499	0	0	0
T14	405	0	0	0
T15	652	0	0	0
T16	408	0	0	0
T17	524	0	0	0
T18	446	0	0	0
T19	526	0	0	0
T20	424	0	0	0
T37	0	1	0	0
T39	0	2	0	0
T40	0	5	0	0
T41	0	6	0	0
T53	0	1	0	0
T138	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:       T11 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:       T11 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:       T11 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:       T1 T18 T3 
100                                                      TimerWidth'(cfg_debounce_timer_i);
101        1/1            assign cnt_done = (cnt_q >= thresh);
           Tests:       T1 T18 T3 
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 T1 
105        1/1                cnt_q <= '0;
           Tests:       T4 T5 T1 
106                         end else begin
107        1/1                cnt_q <= cnt_d;
           Tests:       T4 T5 T1 
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:       T11 T30 T31 
126                     
127                         // Counter controls (clear has priority).
128        1/1              cnt_clr = 1'b0;
           Tests:       T11 T30 T31 
129        1/1              cnt_en = 1'b0;
           Tests:       T11 T30 T31 
130                     
131                         // Detected outputs
132        1/1              event_detected_o = 1'b0;
           Tests:       T11 T30 T31 
133        1/1              event_detected_pulse_o = 1'b0;
           Tests:       T11 T30 T31 
134                     
135                         // Threshold select
136                         // 0: debounce
137                         // 1: detect
138        1/1              thresh_sel = 1'b0;
           Tests:       T11 T30 T31 
139                     
140        1/1              unique case (state_q)
           Tests:       T11 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:       T11 T30 T31 
148        1/1                    state_d = DebounceSt;
           Tests:       T11 T30 T31 
149        1/1                    cnt_en = 1'b1;
           Tests:       T11 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:       T11 T30 T31 
161                             // Unconditionally go back to idle if the detector is disabled.
162        1/1                  if (!cfg_enable_i) begin
           Tests:       T11 T30 T31 
163        1/1                    state_d = IdleSt;
           Tests:       T11 T30 
164        1/1                    cnt_clr = 1'b1;
           Tests:       T11 T30 
165        1/1                  end else if (cnt_done) begin
           Tests:       T11 T30 T31 
166        1/1                    cnt_clr = 1'b1;
           Tests:       T11 T30 T31 
167        1/1                    if (trigger_active) begin
           Tests:       T11 T30 T31 
168        1/1                      state_d = DetectSt;
           Tests:       T11 T30 T31 
169                               end else begin
170        1/1                      state_d = IdleSt;
           Tests:       T11 T30 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:       T11 T30 T31 
182        1/1                  cnt_en = 1'b1;
           Tests:       T11 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:       T11 T30 T31 
186        1/1                    state_d = IdleSt;
           Tests:       T11 T30 T84 
187        1/1                    cnt_clr = 1'b1;
           Tests:       T11 T30 T84 
188                             // If the trigger is active, count up.
189                             end else begin
190        1/1                    if (cnt_done) begin
           Tests:       T11 T30 T31 
191        1/1                      state_d = StableSt;
           Tests:       T11 T30 T31 
192        1/1                      cnt_clr = 1'b1;
           Tests:       T11 T30 T31 
193        1/1                      event_detected_o = 1'b1;
           Tests:       T11 T30 T31 
194        1/1                      event_detected_pulse_o = 1'b1;
           Tests:       T11 T30 T31 
195                               end
                        MISSING_ELSE
196                             end
197                           end
198                           ////////////////////////////////////////////
199                           // At this point we have detected the event
200                           // and monitor whether the signal remains stable.
201                           StableSt: begin
202                             // Go back to idle if either the trigger level is not active anymore, or if the detector is
203                             // disabled. Note that if the detector is sticky, it has to be explicitly disabled in order
204                             // to go back to the idle state.
205        1/1                  if (!cfg_enable_i || (!trigger_active && !Sticky)) begin
           Tests:       T11 T30 T31 
206        1/1                    state_d = IdleSt;
           Tests:       T11 T30 T31 
207                             // Otherwise keep the event detected output signal high.
208                             end else begin
209        1/1                    event_detected_o = 1'b1;
           Tests:       T11 T30 T31 
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 T1 
220        1/1                state_q <= IdleSt;
           Tests:       T4 T5 T1 
221                         end else begin
222        1/1                state_q <= state_d;
           Tests:       T4 T5 T1 

---

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

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

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

-1-	Status	Tests
0	Covered	T11,T30,T31
1	Covered	T4,T5,T1

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

-1-	Status	Tests
0	Covered	T4,T5,T1
1	Covered	T11,T30,T31

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

-1-	Status	Tests
0	Covered	T4,T5,T1
1	Covered	T11,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,T1
1	Covered	T11,T30,T31

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

-1-	-2-	Status	Tests
0	1	Covered	T11,T30,T31
1	0	Covered	T11,T30,T31
1	1	Covered	T11,T30,T31

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

-1-	-2-	Status	Tests
0	0	Covered	T11,T30,T31
0	1	Covered	T11,T30,T108
1	0	Covered	T11,T30,T84

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

-1-	-2-	Status	Tests
0	0	Covered	T11,T30,T31
0	1	Covered	T11,T30,T31
1	0	Covered	T100,T266

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

-1-	-2-	Status	Tests
0	-	Covered	T11,T30,T31
1	-	Covered	T11,T30,T31

---

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	T11,T30,T31
DetectSt	168	Covered	T11,T30,T31
IdleSt	163	Covered	T4,T5,T1
StableSt	191	Covered	T11,T30,T31

transitions	Line No.	Covered	Tests
DebounceSt->DetectSt	168	Covered	T11,T30,T31
DebounceSt->IdleSt	163	Covered	T11,T30,T97
DetectSt->IdleSt	186	Covered	T11,T30,T84
DetectSt->StableSt	191	Covered	T11,T30,T31
IdleSt->DebounceSt	148	Covered	T11,T30,T31
StableSt->IdleSt	206	Covered	T11,T30,T31

---

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	T11,T30,T31
0	1	Covered	T11,T30,T31
0	0	Covered	T4,T5,T1

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

Branches:

-1-	Status	Tests
1	Covered	T11,T30,T31
0	Covered	T4,T5,T1

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,T1
0	Covered	T4,T5,T1

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	T11,T30,T31
IdleSt	0	-	-	-	-	-	-	Covered	T11,T30,T31
DebounceSt	-	1	-	-	-	-	-	Covered	T11,T30
DebounceSt	-	0	1	1	-	-	-	Covered	T11,T30,T31
DebounceSt	-	0	1	0	-	-	-	Covered	T11,T30,T97
DebounceSt	-	0	0	-	-	-	-	Covered	T11,T30,T31
DetectSt	-	-	-	-	1	-	-	Covered	T11,T30,T84
DetectSt	-	-	-	-	0	1	-	Covered	T11,T30,T31
DetectSt	-	-	-	-	0	0	-	Covered	T11,T30,T31
StableSt	-	-	-	-	-	-	1	Covered	T11,T30,T31
StableSt	-	-	-	-	-	-	0	Covered	T11,T30,T31
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,T1
0	Covered	T4,T5,T1

---

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	6968781	2950	0	0
CntIncr_A	6968781	112095	0	0
CntNoWrap_A	6968781	6507347	0	0
DetectStDropOut_A	6968781	404	0	0
DetectedOut_A	6968781	76475	0	0
DetectedPulseOut_A	6968781	863	0	0
DisabledIdleSt_A	6968781	6034726	0	0
DisabledNoDetection_A	6968781	6036344	0	0
EnterDebounceSt_A	6968781	1487	0	0
EnterDetectSt_A	6968781	1463	0	0
EnterStableSt_A	6968781	863	0	0
PulseIsPulse_A	6968781	863	0	0
StayInStableSt	6968781	75489	0	0
gen_high_event_sva.HighLevelEvent_A	6968781	6512128	0	0
gen_high_level_sva.HighLevelEvent_A	6968781	6512128	0	0
gen_not_sticky_sva.StableStDropOut_A	6968781	726	0	0

CntClr_A

Name	Attempts	Real Successes	Failures	Incomplete
Total	6968781	2950	0	0
T11	7404	16	0	0
T12	658	0	0	0
T28	634	0	0	0
T30	0	16	0	0
T31	0	18	0	0
T37	0	20	0	0
T38	0	58	0	0
T51	3934	0	0	0
T52	780	0	0	0
T53	487	0	0	0
T54	443	0	0	0
T63	502	0	0	0
T64	496	0	0	0
T83	0	52	0	0
T84	0	38	0	0
T85	0	24	0	0
T86	0	58	0	0
T87	0	26	0	0
T88	1867	0	0	0

CntIncr_A

Name	Attempts	Real Successes	Failures	Incomplete
Total	6968781	112095	0	0
T11	7404	428	0	0
T12	658	0	0	0
T28	634	0	0	0
T30	0	624	0	0
T31	0	342	0	0
T37	0	870	0	0
T38	0	2059	0	0
T51	3934	0	0	0
T52	780	0	0	0
T53	487	0	0	0
T54	443	0	0	0
T63	502	0	0	0
T64	496	0	0	0
T83	0	2600	0	0
T84	0	1008	0	0
T85	0	408	0	0
T86	0	2494	0	0
T87	0	676	0	0
T88	1867	0	0	0

CntNoWrap_A

Name	Attempts	Real Successes	Failures	Incomplete
Total	6968781	6507347	0	0
T1	522	121	0	0
T2	2225	1824	0	0
T4	496	95	0	0
T5	423	22	0	0
T13	499	98	0	0
T14	405	4	0	0
T15	652	251	0	0
T16	408	7	0	0
T17	524	123	0	0
T18	446	45	0	0

DetectStDropOut_A

Name	Attempts	Real Successes	Failures	Incomplete
Total	6968781	404	0	0
T11	7404	1	0	0
T12	658	0	0	0
T28	634	0	0	0
T30	0	1	0	0
T51	3934	0	0	0
T52	780	0	0	0
T53	487	0	0	0
T54	443	0	0	0
T63	502	0	0	0
T64	496	0	0	0
T88	1867	0	0	0
T108	0	15	0	0
T109	0	5	0	0
T110	0	25	0	0
T114	0	24	0	0
T227	0	12	0	0
T267	0	3	0	0
T268	0	20	0	0
T269	0	12	0	0

DetectedOut_A

Name	Attempts	Real Successes	Failures	Incomplete
Total	6968781	76475	0	0
T11	7404	443	0	0
T12	658	0	0	0
T28	634	0	0	0
T30	0	400	0	0
T31	0	1059	0	0
T37	0	714	0	0
T38	0	1759	0	0
T51	3934	0	0	0
T52	780	0	0	0
T53	487	0	0	0
T54	443	0	0	0
T63	502	0	0	0
T64	496	0	0	0
T83	0	2184	0	0
T85	0	865	0	0
T86	0	2333	0	0
T87	0	2181	0	0
T88	1867	0	0	0
T263	0	161	0	0

DetectedPulseOut_A

Name	Attempts	Real Successes	Failures	Incomplete
Total	6968781	863	0	0
T11	7404	5	0	0
T12	658	0	0	0
T28	634	0	0	0
T30	0	5	0	0
T31	0	9	0	0
T37	0	10	0	0
T38	0	29	0	0
T51	3934	0	0	0
T52	780	0	0	0
T53	487	0	0	0
T54	443	0	0	0
T63	502	0	0	0
T64	496	0	0	0
T83	0	26	0	0
T85	0	12	0	0
T86	0	29	0	0
T87	0	13	0	0
T88	1867	0	0	0
T263	0	12	0	0

DisabledIdleSt_A

Name	Attempts	Real Successes	Failures	Incomplete
Total	6968781	6034726	0	0
T1	522	121	0	0
T2	2225	1824	0	0
T4	496	95	0	0
T5	423	22	0	0
T13	499	98	0	0
T14	405	4	0	0
T15	652	251	0	0
T16	408	7	0	0
T17	524	123	0	0
T18	446	45	0	0

DisabledNoDetection_A

Name	Attempts	Real Successes	Failures	Incomplete
Total	6968781	6036344	0	0
T1	522	122	0	0
T2	2225	1825	0	0
T4	496	96	0	0
T5	423	23	0	0
T13	499	99	0	0
T14	405	5	0	0
T15	652	252	0	0
T16	408	8	0	0
T17	524	124	0	0
T18	446	46	0	0

EnterDebounceSt_A

Name	Attempts	Real Successes	Failures	Incomplete
Total	6968781	1487	0	0
T11	7404	9	0	0
T12	658	0	0	0
T28	634	0	0	0
T30	0	9	0	0
T31	0	9	0	0
T37	0	10	0	0
T38	0	29	0	0
T51	3934	0	0	0
T52	780	0	0	0
T53	487	0	0	0
T54	443	0	0	0
T63	502	0	0	0
T64	496	0	0	0
T83	0	26	0	0
T84	0	19	0	0
T85	0	12	0	0
T86	0	29	0	0
T87	0	13	0	0
T88	1867	0	0	0

EnterDetectSt_A

Name	Attempts	Real Successes	Failures	Incomplete
Total	6968781	1463	0	0
T11	7404	7	0	0
T12	658	0	0	0
T28	634	0	0	0
T30	0	7	0	0
T31	0	9	0	0
T37	0	10	0	0
T38	0	29	0	0
T51	3934	0	0	0
T52	780	0	0	0
T53	487	0	0	0
T54	443	0	0	0
T63	502	0	0	0
T64	496	0	0	0
T83	0	26	0	0
T84	0	19	0	0
T85	0	12	0	0
T86	0	29	0	0
T87	0	13	0	0
T88	1867	0	0	0

EnterStableSt_A

Name	Attempts	Real Successes	Failures	Incomplete
Total	6968781	863	0	0
T11	7404	5	0	0
T12	658	0	0	0
T28	634	0	0	0
T30	0	5	0	0
T31	0	9	0	0
T37	0	10	0	0
T38	0	29	0	0
T51	3934	0	0	0
T52	780	0	0	0
T53	487	0	0	0
T54	443	0	0	0
T63	502	0	0	0
T64	496	0	0	0
T83	0	26	0	0
T85	0	12	0	0
T86	0	29	0	0
T87	0	13	0	0
T88	1867	0	0	0
T263	0	12	0	0

PulseIsPulse_A

Name	Attempts	Real Successes	Failures	Incomplete
Total	6968781	863	0	0
T11	7404	5	0	0
T12	658	0	0	0
T28	634	0	0	0
T30	0	5	0	0
T31	0	9	0	0
T37	0	10	0	0
T38	0	29	0	0
T51	3934	0	0	0
T52	780	0	0	0
T53	487	0	0	0
T54	443	0	0	0
T63	502	0	0	0
T64	496	0	0	0
T83	0	26	0	0
T85	0	12	0	0
T86	0	29	0	0
T87	0	13	0	0
T88	1867	0	0	0
T263	0	12	0	0

StayInStableSt

Name	Attempts	Real Successes	Failures	Incomplete
Total	6968781	75489	0	0
T11	7404	438	0	0
T12	658	0	0	0
T28	634	0	0	0
T30	0	395	0	0
T31	0	1050	0	0
T37	0	703	0	0
T38	0	1727	0	0
T51	3934	0	0	0
T52	780	0	0	0
T53	487	0	0	0
T54	443	0	0	0
T63	502	0	0	0
T64	496	0	0	0
T83	0	2158	0	0
T85	0	853	0	0
T86	0	2301	0	0
T87	0	2163	0	0
T88	1867	0	0	0
T263	0	149	0	0

gen_high_event_sva.HighLevelEvent_A

Name	Attempts	Real Successes	Failures	Incomplete
Total	6968781	6512128	0	0
T1	522	122	0	0
T2	2225	1825	0	0
T4	496	96	0	0
T5	423	23	0	0
T13	499	99	0	0
T14	405	5	0	0
T15	652	252	0	0
T16	408	8	0	0
T17	524	124	0	0
T18	446	46	0	0

gen_high_level_sva.HighLevelEvent_A

Name	Attempts	Real Successes	Failures	Incomplete
Total	6968781	6512128	0	0
T1	522	122	0	0
T2	2225	1825	0	0
T4	496	96	0	0
T5	423	23	0	0
T13	499	99	0	0
T14	405	5	0	0
T15	652	252	0	0
T16	408	8	0	0
T17	524	124	0	0
T18	446	46	0	0

gen_not_sticky_sva.StableStDropOut_A

Name	Attempts	Real Successes	Failures	Incomplete
Total	6968781	726	0	0
T11	7404	5	0	0
T12	658	0	0	0
T28	634	0	0	0
T30	0	5	0	0
T31	0	9	0	0
T37	0	9	0	0
T38	0	26	0	0
T51	3934	0	0	0
T52	780	0	0	0
T53	487	0	0	0
T54	443	0	0	0
T63	502	0	0	0
T64	496	0	0	0
T83	0	26	0	0
T85	0	12	0	0
T86	0	26	0	0
T87	0	8	0	0
T88	1867	0	0	0
T263	0	12	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:       T11 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         1/1                if (!rst_ni) begin
           Tests:       T4 T5 T1 
70         1/1                  trigger_active_q <= 1'b0;
           Tests:       T4 T5 T1 
71                            end else begin
72         1/1                  trigger_active_q <= trigger_active;
           Tests:       T4 T5 T1 
73                            end
74                          end
75                      
76         1/1              assign trigger_event = trigger_active & ~trigger_active_q;
           Tests:       T4 T5 T1 
77                        // In case of level events, the event is equal to the level being active.
78                        end else begin : gen_trigger_event_level
79                          assign trigger_event = trigger_active;
80                        end
81                      
82                        /////////////////
83                        // Timer Logic //
84                        /////////////////
85                      
86                        // Take the maximum width of both timer values.
87                        localparam int unsigned TimerWidth =
88                            (DetectTimerWidth > DebounceTimerWidth) ? DetectTimerWidth : DebounceTimerWidth;
89                      
90                        logic cnt_en, cnt_clr;
91                        logic [TimerWidth-1:0] cnt_d, cnt_q;
92         1/1            assign cnt_d = (cnt_clr) ? '0           :
           Tests:       T11 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:       T1 T18 T3 
100                                                      TimerWidth'(cfg_debounce_timer_i);
101        1/1            assign cnt_done = (cnt_q >= thresh);
           Tests:       T1 T18 T3 
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 T1 
105        1/1                cnt_q <= '0;
           Tests:       T4 T5 T1 
106                         end else begin
107        1/1                cnt_q <= cnt_d;
           Tests:       T4 T5 T1 
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 T1 
126                     
127                         // Counter controls (clear has priority).
128        1/1              cnt_clr = 1'b0;
           Tests:       T4 T5 T1 
129        1/1              cnt_en = 1'b0;
           Tests:       T4 T5 T1 
130                     
131                         // Detected outputs
132        1/1              event_detected_o = 1'b0;
           Tests:       T4 T5 T1 
133        1/1              event_detected_pulse_o = 1'b0;
           Tests:       T4 T5 T1 
134                     
135                         // Threshold select
136                         // 0: debounce
137                         // 1: detect
138        1/1              thresh_sel = 1'b0;
           Tests:       T4 T5 T1 
139                     
140        1/1              unique case (state_q)
           Tests:       T4 T5 T1 
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 T1 
148        1/1                    state_d = DebounceSt;
           Tests:       T11 T30 T31 
149        1/1                    cnt_en = 1'b1;
           Tests:       T11 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:       T11 T30 T31 
161                             // Unconditionally go back to idle if the detector is disabled.
162        1/1                  if (!cfg_enable_i) begin
           Tests:       T11 T30 T31 
163        1/1                    state_d = IdleSt;
           Tests:       T11 T30 
164        1/1                    cnt_clr = 1'b1;
           Tests:       T11 T30 
165        1/1                  end else if (cnt_done) begin
           Tests:       T11 T30 T31 
166        1/1                    cnt_clr = 1'b1;
           Tests:       T11 T30 T31 
167        1/1                    if (trigger_active) begin
           Tests:       T11 T30 T31 
168        1/1                      state_d = DetectSt;
           Tests:       T11 T30 T31 
169                               end else begin
170        1/1                      state_d = IdleSt;
           Tests:       T39 T41 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:       T11 T30 T31 
182        1/1                  cnt_en = 1'b1;
           Tests:       T11 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:       T11 T30 T31 
186        1/1                    state_d = IdleSt;
           Tests:       T11 T30 T39 
187        1/1                    cnt_clr = 1'b1;
           Tests:       T11 T30 T39 
188                             // If the trigger is active, count up.
189                             end else begin
190        1/1                    if (cnt_done) begin
           Tests:       T11 T30 T31 
191        1/1                      state_d = StableSt;
           Tests:       T11 T30 T31 
192        1/1                      cnt_clr = 1'b1;
           Tests:       T11 T30 T31 
193        1/1                      event_detected_o = 1'b1;
           Tests:       T11 T30 T31 
194        1/1                      event_detected_pulse_o = 1'b1;
           Tests:       T11 T30 T31 
195                               end
                        MISSING_ELSE
196                             end
197                           end
198                           ////////////////////////////////////////////
199                           // At this point we have detected the event
200                           // and monitor whether the signal remains stable.
201                           StableSt: begin
202                             // Go back to idle if either the trigger level is not active anymore, or if the detector is
203                             // disabled. Note that if the detector is sticky, it has to be explicitly disabled in order
204                             // to go back to the idle state.
205        1/1                  if (!cfg_enable_i || (!trigger_active && !Sticky)) begin
           Tests:       T11 T30 T31 
206        1/1                    state_d = IdleSt;
           Tests:       T11 T30 T31 
207                             // Otherwise keep the event detected output signal high.
208                             end else begin
209        1/1                    event_detected_o = 1'b1;
           Tests:       T11 T30 T31 
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 T1 
220        1/1                state_q <= IdleSt;
           Tests:       T4 T5 T1 
221                         end else begin
222        1/1                state_q <= state_d;
           Tests:       T4 T5 T1 

---

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	T11,T30,T31
1	Covered	T4,T5,T1

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

-1-	-2-	Status	Tests
0	1	Covered	T11,T30,T31
1	0	Covered	T4,T5,T1
1	1	Covered	T4,T5,T1

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

-1-	Status	Tests
0	Covered	T4,T5,T1
1	Covered	T11,T30,T31

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

-1-	Status	Tests	Exclude Annotation
0	Excluded	T4,T5,T1	VC_COV_UNR
1	Covered	T11,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,T1
1	Covered	T11,T30,T31

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

-1-	-2-	Status	Tests
0	1	Covered	T11,T30,T31
1	0	Covered	T11,T51,T88
1	1	Covered	T11,T30,T31

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

-1-	-2-	Status	Tests
0	0	Covered	T11,T30,T31
0	1	Covered	T39,T41,T98
1	0	Covered	T11,T30

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

-1-	-2-	Status	Tests
0	0	Covered	T11,T30,T31
0	1	Covered	T31,T37,T40
1	0	Covered	T11

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

-1-	-2-	Status	Tests
0	-	Covered	T11,T30,T31
1	-	Covered	T30,T31,T37

---

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	T11,T30,T31
DetectSt	168	Covered	T11,T30,T31
IdleSt	163	Covered	T4,T5,T1
StableSt	191	Covered	T11,T30,T31

transitions	Line No.	Covered	Tests
DebounceSt->DetectSt	168	Covered	T11,T30,T31
DebounceSt->IdleSt	163	Covered	T11,T30,T39
DetectSt->IdleSt	186	Covered	T11,T30,T39
DetectSt->StableSt	191	Covered	T11,T30,T31
IdleSt->DebounceSt	148	Covered	T11,T30,T31
StableSt->IdleSt	206	Covered	T11,T30,T31

---

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	T11,T30,T31
0	1	Covered	T11,T30,T31
0	0	Excluded	T4,T5,T1	VC_COV_UNR

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

Branches:

-1-	Status	Tests
1	Covered	T11,T30,T31
0	Covered	T4,T5,T1

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,T1
0	Covered	T4,T5,T1

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	T11,T30,T31
IdleSt	0	-	-	-	-	-	-	Covered	T4,T5,T1
DebounceSt	-	1	-	-	-	-	-	Covered	T11,T30
DebounceSt	-	0	1	1	-	-	-	Covered	T11,T30,T31
DebounceSt	-	0	1	0	-	-	-	Covered	T39,T41,T44
DebounceSt	-	0	0	-	-	-	-	Covered	T11,T30,T31
DetectSt	-	-	-	-	1	-	-	Covered	T11,T30,T39
DetectSt	-	-	-	-	0	1	-	Covered	T11,T30,T31
DetectSt	-	-	-	-	0	0	-	Covered	T11,T30,T31
StableSt	-	-	-	-	-	-	1	Covered	T11,T30,T31
StableSt	-	-	-	-	-	-	0	Covered	T11,T30,T31
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,T1
0	Covered	T4,T5,T1

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,T1
0	Covered	T4,T5,T1

---

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	6968781	759	0	0
CntIncr_A	6968781	39566	0	0
CntNoWrap_A	6968781	6509538	0	0
DetectStDropOut_A	6968781	84	0	0
DetectedOut_A	6968781	13564	0	0
DetectedPulseOut_A	6968781	274	0	0
DisabledIdleSt_A	6968781	6193172	0	0
DisabledNoDetection_A	6968781	6194460	0	0
EnterDebounceSt_A	6968781	397	0	0
EnterDetectSt_A	6968781	362	0	0
EnterStableSt_A	6968781	274	0	0
PulseIsPulse_A	6968781	274	0	0
StayInStableSt	6968781	13258	0	0
gen_high_level_sva.HighLevelEvent_A	6968781	6512128	0	0
gen_not_sticky_sva.StableStDropOut_A	6968781	239	0	0

CntClr_A

Name	Attempts	Real Successes	Failures	Incomplete
Total	6968781	759	0	0
T11	7404	8	0	0
T12	658	0	0	0
T28	634	0	0	0
T30	0	8	0	0
T31	0	4	0	0
T37	0	2	0	0
T38	0	4	0	0
T39	0	21	0	0
T40	0	4	0	0
T41	0	21	0	0
T42	0	2	0	0
T51	3934	0	0	0
T52	780	0	0	0
T53	487	0	0	0
T54	443	0	0	0
T63	502	0	0	0
T64	496	0	0	0
T85	0	2	0	0
T88	1867	0	0	0

CntIncr_A

Name	Attempts	Real Successes	Failures	Incomplete
Total	6968781	39566	0	0
T11	7404	274	0	0
T12	658	0	0	0
T28	634	0	0	0
T30	0	253	0	0
T31	0	94	0	0
T37	0	84	0	0
T38	0	122	0	0
T39	0	588	0	0
T40	0	264	0	0
T41	0	1616	0	0
T42	0	164	0	0
T51	3934	0	0	0
T52	780	0	0	0
T53	487	0	0	0
T54	443	0	0	0
T63	502	0	0	0
T64	496	0	0	0
T85	0	40	0	0
T88	1867	0	0	0

CntNoWrap_A

Name	Attempts	Real Successes	Failures	Incomplete
Total	6968781	6509538	0	0
T1	522	121	0	0
T2	2225	1824	0	0
T4	496	95	0	0
T5	423	22	0	0
T13	499	98	0	0
T14	405	4	0	0
T15	652	251	0	0
T16	408	7	0	0
T17	524	123	0	0
T18	446	45	0	0

DetectStDropOut_A

Name	Attempts	Real Successes	Failures	Incomplete
Total	6968781	84	0	0
T37	11947	0	0	0
T39	14256	9	0	0
T41	0	10	0	0
T65	1269	0	0	0
T83	13194	0	0	0
T98	0	3	0	0
T106	0	8	0	0
T113	0	14	0	0
T159	785	0	0	0
T160	778	0	0	0
T161	424	0	0	0
T162	500	0	0	0
T163	411	0	0	0
T164	3661	0	0	0
T234	0	2	0	0
T270	0	8	0	0
T271	0	3	0	0
T272	0	7	0	0
T273	0	1	0	0

DetectedOut_A

Name	Attempts	Real Successes	Failures	Incomplete
Total	6968781	13564	0	0
T11	7404	99	0	0
T12	658	0	0	0
T28	634	0	0	0
T30	0	77	0	0
T31	0	148	0	0
T37	0	61	0	0
T38	0	116	0	0
T40	0	26	0	0
T42	0	6	0	0
T44	0	10	0	0
T51	3934	0	0	0
T52	780	0	0	0
T53	487	0	0	0
T54	443	0	0	0
T63	502	0	0	0
T64	496	0	0	0
T85	0	45	0	0
T88	1867	0	0	0
T119	0	65	0	0

DetectedPulseOut_A

Name	Attempts	Real Successes	Failures	Incomplete
Total	6968781	274	0	0
T11	7404	1	0	0
T12	658	0	0	0
T28	634	0	0	0
T30	0	1	0	0
T31	0	2	0	0
T37	0	1	0	0
T38	0	2	0	0
T40	0	2	0	0
T42	0	1	0	0
T44	0	2	0	0
T51	3934	0	0	0
T52	780	0	0	0
T53	487	0	0	0
T54	443	0	0	0
T63	502	0	0	0
T64	496	0	0	0
T85	0	1	0	0
T88	1867	0	0	0
T119	0	3	0	0

DisabledIdleSt_A

Name	Attempts	Real Successes	Failures	Incomplete
Total	6968781	6193172	0	0
T1	522	121	0	0
T2	2225	1824	0	0
T4	496	95	0	0
T5	423	22	0	0
T13	499	98	0	0
T14	405	4	0	0
T15	652	251	0	0
T16	408	7	0	0
T17	524	123	0	0
T18	446	45	0	0

DisabledNoDetection_A

Name	Attempts	Real Successes	Failures	Incomplete
Total	6968781	6194460	0	0
T1	522	122	0	0
T2	2225	1825	0	0
T4	496	96	0	0
T5	423	23	0	0
T13	499	99	0	0
T14	405	5	0	0
T15	652	252	0	0
T16	408	8	0	0
T17	524	124	0	0
T18	446	46	0	0

EnterDebounceSt_A

Name	Attempts	Real Successes	Failures	Incomplete
Total	6968781	397	0	0
T11	7404	5	0	0
T12	658	0	0	0
T28	634	0	0	0
T30	0	5	0	0
T31	0	2	0	0
T37	0	1	0	0
T38	0	2	0	0
T39	0	12	0	0
T40	0	2	0	0
T41	0	11	0	0
T42	0	1	0	0
T51	3934	0	0	0
T52	780	0	0	0
T53	487	0	0	0
T54	443	0	0	0
T63	502	0	0	0
T64	496	0	0	0
T85	0	1	0	0
T88	1867	0	0	0

EnterDetectSt_A

Name	Attempts	Real Successes	Failures	Incomplete
Total	6968781	362	0	0
T11	7404	3	0	0
T12	658	0	0	0
T28	634	0	0	0
T30	0	3	0	0
T31	0	2	0	0
T37	0	1	0	0
T38	0	2	0	0
T39	0	9	0	0
T40	0	2	0	0
T41	0	10	0	0
T42	0	1	0	0
T51	3934	0	0	0
T52	780	0	0	0
T53	487	0	0	0
T54	443	0	0	0
T63	502	0	0	0
T64	496	0	0	0
T85	0	1	0	0
T88	1867	0	0	0

EnterStableSt_A

Name	Attempts	Real Successes	Failures	Incomplete
Total	6968781	274	0	0
T11	7404	1	0	0
T12	658	0	0	0
T28	634	0	0	0
T30	0	1	0	0
T31	0	2	0	0
T37	0	1	0	0
T38	0	2	0	0
T40	0	2	0	0
T42	0	1	0	0
T44	0	2	0	0
T51	3934	0	0	0
T52	780	0	0	0
T53	487	0	0	0
T54	443	0	0	0
T63	502	0	0	0
T64	496	0	0	0
T85	0	1	0	0
T88	1867	0	0	0
T119	0	3	0	0

PulseIsPulse_A

Name	Attempts	Real Successes	Failures	Incomplete
Total	6968781	274	0	0
T11	7404	1	0	0
T12	658	0	0	0
T28	634	0	0	0
T30	0	1	0	0
T31	0	2	0	0
T37	0	1	0	0
T38	0	2	0	0
T40	0	2	0	0
T42	0	1	0	0
T44	0	2	0	0
T51	3934	0	0	0
T52	780	0	0	0
T53	487	0	0	0
T54	443	0	0	0
T63	502	0	0	0
T64	496	0	0	0
T85	0	1	0	0
T88	1867	0	0	0
T119	0	3	0	0

StayInStableSt

Name	Attempts	Real Successes	Failures	Incomplete
Total	6968781	13258	0	0
T11	7404	98	0	0
T12	658	0	0	0
T28	634	0	0	0
T30	0	76	0	0
T31	0	146	0	0
T37	0	60	0	0
T38	0	114	0	0
T40	0	24	0	0
T42	0	5	0	0
T44	0	8	0	0
T51	3934	0	0	0
T52	780	0	0	0
T53	487	0	0	0
T54	443	0	0	0
T63	502	0	0	0
T64	496	0	0	0
T85	0	44	0	0
T88	1867	0	0	0
T119	0	62	0	0

gen_high_level_sva.HighLevelEvent_A

Name	Attempts	Real Successes	Failures	Incomplete
Total	6968781	6512128	0	0
T1	522	122	0	0
T2	2225	1825	0	0
T4	496	96	0	0
T5	423	23	0	0
T13	499	99	0	0
T14	405	5	0	0
T15	652	252	0	0
T16	408	8	0	0
T17	524	124	0	0
T18	446	46	0	0

gen_not_sticky_sva.StableStDropOut_A

Name	Attempts	Real Successes	Failures	Incomplete
Total	6968781	239	0	0
T31	8960	2	0	0
T37	11947	1	0	0
T38	0	2	0	0
T39	14256	0	0	0
T40	0	2	0	0
T42	0	1	0	0
T44	0	2	0	0
T65	1269	0	0	0
T85	0	1	0	0
T87	0	5	0	0
T105	0	2	0	0
T119	0	3	0	0
T159	785	0	0	0
T221	418	0	0	0
T274	513	0	0	0
T275	423	0	0	0
T276	523	0	0	0
T277	779	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:       T11 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:       T11 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:       T11 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:       T1 T18 T3 
100                                                      TimerWidth'(cfg_debounce_timer_i);
101        1/1            assign cnt_done = (cnt_q >= thresh);
           Tests:       T1 T18 T3 
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 T1 
105        1/1                cnt_q <= '0;
           Tests:       T4 T5 T1 
106                         end else begin
107        1/1                cnt_q <= cnt_d;
           Tests:       T4 T5 T1 
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:       T11 T30 T31 
126                     
127                         // Counter controls (clear has priority).
128        1/1              cnt_clr = 1'b0;
           Tests:       T11 T30 T31 
129        1/1              cnt_en = 1'b0;
           Tests:       T11 T30 T31 
130                     
131                         // Detected outputs
132        1/1              event_detected_o = 1'b0;
           Tests:       T11 T30 T31 
133        1/1              event_detected_pulse_o = 1'b0;
           Tests:       T11 T30 T31 
134                     
135                         // Threshold select
136                         // 0: debounce
137                         // 1: detect
138        1/1              thresh_sel = 1'b0;
           Tests:       T11 T30 T31 
139                     
140        1/1              unique case (state_q)
           Tests:       T11 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:       T11 T30 T31 
148        1/1                    state_d = DebounceSt;
           Tests:       T11 T30 T31 
149        1/1                    cnt_en = 1'b1;
           Tests:       T11 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:       T11 T30 T31 
161                             // Unconditionally go back to idle if the detector is disabled.
162        1/1                  if (!cfg_enable_i) begin
           Tests:       T11 T30 T31 
163        1/1                    state_d = IdleSt;
           Tests:       T11 T30 
164        1/1                    cnt_clr = 1'b1;
           Tests:       T11 T30 
165        1/1                  end else if (cnt_done) begin
           Tests:       T11 T30 T31 
166        1/1                    cnt_clr = 1'b1;
           Tests:       T11 T30 T31 
167        1/1                    if (trigger_active) begin
           Tests:       T11 T30 T31 
168        1/1                      state_d = DetectSt;
           Tests:       T11 T30 T31 
169                               end else begin
170        1/1                      state_d = IdleSt;
           Tests:       T11 T30 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:       T11 T30 T31 
182        1/1                  cnt_en = 1'b1;
           Tests:       T11 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:       T11 T30 T31 
186        1/1                    state_d = IdleSt;
           Tests:       T11 T30 T263 
187        1/1                    cnt_clr = 1'b1;
           Tests:       T11 T30 T263 
188                             // If the trigger is active, count up.
189                             end else begin
190        1/1                    if (cnt_done) begin
           Tests:       T11 T30 T31 
191        1/1                      state_d = StableSt;
           Tests:       T11 T30 T31 
192        1/1                      cnt_clr = 1'b1;
           Tests:       T11 T30 T31 
193        1/1                      event_detected_o = 1'b1;
           Tests:       T11 T30 T31 
194        1/1                      event_detected_pulse_o = 1'b1;
           Tests:       T11 T30 T31 
195                               end
                        MISSING_ELSE
196                             end
197                           end
198                           ////////////////////////////////////////////
199                           // At this point we have detected the event
200                           // and monitor whether the signal remains stable.
201                           StableSt: begin
202                             // Go back to idle if either the trigger level is not active anymore, or if the detector is
203                             // disabled. Note that if the detector is sticky, it has to be explicitly disabled in order
204                             // to go back to the idle state.
205        1/1                  if (!cfg_enable_i || (!trigger_active && !Sticky)) begin
           Tests:       T11 T30 T31 
206        1/1                    state_d = IdleSt;
           Tests:       T11 T30 T31 
207                             // Otherwise keep the event detected output signal high.
208                             end else begin
209        1/1                    event_detected_o = 1'b1;
           Tests:       T11 T30 T31 
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 T1 
220        1/1                state_q <= IdleSt;
           Tests:       T4 T5 T1 
221                         end else begin
222        1/1                state_q <= state_d;
           Tests:       T4 T5 T1 

---

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	T11,T30,T31
1	Covered	T4,T5,T1

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

-1-	Status	Tests
0	Covered	T4,T5,T1
1	Covered	T11,T30,T31

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

-1-	Status	Tests
0	Covered	T4,T5,T1
1	Covered	T11,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,T1
1	Covered	T11,T30,T31

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

-1-	-2-	Status	Tests
0	1	Covered	T11,T30,T31
1	0	Covered	T11,T30,T31
1	1	Covered	T11,T30,T31

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

-1-	-2-	Status	Tests
0	0	Covered	T11,T30,T31
0	1	Covered	T11,T30,T264
1	0	Covered	T11,T30,T263

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

-1-	-2-	Status	Tests
0	0	Covered	T11,T30,T31
0	1	Covered	T11,T30,T31
1	0	Covered	T278

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

-1-	-2-	Status	Tests
0	-	Covered	T11,T30,T31
1	-	Covered	T11,T30,T31

---

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	T11,T30,T31
DetectSt	168	Covered	T11,T30,T31
IdleSt	163	Covered	T4,T5,T1
StableSt	191	Covered	T11,T30,T31

transitions	Line No.	Covered	Tests
DebounceSt->DetectSt	168	Covered	T11,T30,T31
DebounceSt->IdleSt	163	Covered	T11,T30,T97
DetectSt->IdleSt	186	Covered	T11,T30,T263
DetectSt->StableSt	191	Covered	T11,T30,T31
IdleSt->DebounceSt	148	Covered	T11,T30,T31
StableSt->IdleSt	206	Covered	T11,T30,T31

---

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	T11,T30,T31
0	1	Covered	T11,T30,T31
0	0	Covered	T4,T5,T1

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

Branches:

-1-	Status	Tests
1	Covered	T11,T30,T31
0	Covered	T4,T5,T1

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,T1
0	Covered	T4,T5,T1

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	T11,T30,T31
IdleSt	0	-	-	-	-	-	-	Covered	T11,T30,T31
DebounceSt	-	1	-	-	-	-	-	Covered	T11,T30
DebounceSt	-	0	1	1	-	-	-	Covered	T11,T30,T31
DebounceSt	-	0	1	0	-	-	-	Covered	T11,T30,T97
DebounceSt	-	0	0	-	-	-	-	Covered	T11,T30,T31
DetectSt	-	-	-	-	1	-	-	Covered	T11,T30,T263
DetectSt	-	-	-	-	0	1	-	Covered	T11,T30,T31
DetectSt	-	-	-	-	0	0	-	Covered	T11,T30,T31
StableSt	-	-	-	-	-	-	1	Covered	T11,T30,T31
StableSt	-	-	-	-	-	-	0	Covered	T11,T30,T31
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,T1
0	Covered	T4,T5,T1

---

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	6968781	3006	0	0
CntIncr_A	6968781	101058	0	0
CntNoWrap_A	6968781	6507291	0	0
DetectStDropOut_A	6968781	372	0	0
DetectedOut_A	6968781	87502	0	0
DetectedPulseOut_A	6968781	986	0	0
DisabledIdleSt_A	6968781	6029435	0	0
DisabledNoDetection_A	6968781	6031070	0	0
EnterDebounceSt_A	6968781	1508	0	0
EnterDetectSt_A	6968781	1498	0	0
EnterStableSt_A	6968781	986	0	0
PulseIsPulse_A	6968781	986	0	0
StayInStableSt	6968781	86410	0	0
gen_high_event_sva.HighLevelEvent_A	6968781	6512128	0	0
gen_high_level_sva.HighLevelEvent_A	6968781	6512128	0	0
gen_not_sticky_sva.StableStDropOut_A	6968781	878	0	0

CntClr_A

Name	Attempts	Real Successes	Failures	Incomplete
Total	6968781	3006	0	0
T11	7404	16	0	0
T12	658	0	0	0
T28	634	0	0	0
T30	0	16	0	0
T31	0	10	0	0
T37	0	58	0	0
T38	0	24	0	0
T51	3934	0	0	0
T52	780	0	0	0
T53	487	0	0	0
T54	443	0	0	0
T63	502	0	0	0
T64	496	0	0	0
T83	0	56	0	0
T84	0	38	0	0
T85	0	52	0	0
T86	0	32	0	0
T87	0	26	0	0
T88	1867	0	0	0

CntIncr_A

Name	Attempts	Real Successes	Failures	Incomplete
Total	6968781	101058	0	0
T11	7404	511	0	0
T12	658	0	0	0
T28	634	0	0	0
T30	0	449	0	0
T31	0	225	0	0
T37	0	2320	0	0
T38	0	660	0	0
T51	3934	0	0	0
T52	780	0	0	0
T53	487	0	0	0
T54	443	0	0	0
T63	502	0	0	0
T64	496	0	0	0
T83	0	3276	0	0
T84	0	760	0	0
T85	0	1352	0	0
T86	0	2016	0	0
T87	0	715	0	0
T88	1867	0	0	0

CntNoWrap_A

Name	Attempts	Real Successes	Failures	Incomplete
Total	6968781	6507291	0	0
T1	522	121	0	0
T2	2225	1824	0	0
T4	496	95	0	0
T5	423	22	0	0
T13	499	98	0	0
T14	405	4	0	0
T15	652	251	0	0
T16	408	7	0	0
T17	524	123	0	0
T18	446	45	0	0

DetectStDropOut_A

Name	Attempts	Real Successes	Failures	Incomplete
Total	6968781	372	0	0
T11	7404	1	0	0
T12	658	0	0	0
T28	634	0	0	0
T30	0	1	0	0
T51	3934	0	0	0
T52	780	0	0	0
T53	487	0	0	0
T54	443	0	0	0
T63	502	0	0	0
T64	496	0	0	0
T88	1867	0	0	0
T108	0	9	0	0
T109	0	5	0	0
T110	0	24	0	0
T114	0	24	0	0
T229	0	5	0	0
T254	0	11	0	0
T264	0	5	0	0
T279	0	13	0	0

DetectedOut_A

Name	Attempts	Real Successes	Failures	Incomplete
Total	6968781	87502	0	0
T11	7404	360	0	0
T12	658	0	0	0
T28	634	0	0	0
T30	0	339	0	0
T31	0	250	0	0
T37	0	2453	0	0
T38	0	501	0	0
T51	3934	0	0	0
T52	780	0	0	0
T53	487	0	0	0
T54	443	0	0	0
T63	502	0	0	0
T64	496	0	0	0
T83	0	3259	0	0
T84	0	1362	0	0
T85	0	428	0	0
T86	0	1083	0	0
T87	0	2142	0	0
T88	1867	0	0	0

DetectedPulseOut_A

Name	Attempts	Real Successes	Failures	Incomplete
Total	6968781	986	0	0
T11	7404	5	0	0
T12	658	0	0	0
T28	634	0	0	0
T30	0	5	0	0
T31	0	5	0	0
T37	0	29	0	0
T38	0	12	0	0
T51	3934	0	0	0
T52	780	0	0	0
T53	487	0	0	0
T54	443	0	0	0
T63	502	0	0	0
T64	496	0	0	0
T83	0	28	0	0
T84	0	19	0	0
T85	0	26	0	0
T86	0	16	0	0
T87	0	13	0	0
T88	1867	0	0	0

DisabledIdleSt_A

Name	Attempts	Real Successes	Failures	Incomplete
Total	6968781	6029435	0	0
T1	522	121	0	0
T2	2225	1824	0	0
T4	496	95	0	0
T5	423	22	0	0
T13	499	98	0	0
T14	405	4	0	0
T15	652	251	0	0
T16	408	7	0	0
T17	524	123	0	0
T18	446	45	0	0

DisabledNoDetection_A

Name	Attempts	Real Successes	Failures	Incomplete
Total	6968781	6031070	0	0
T1	522	122	0	0
T2	2225	1825	0	0
T4	496	96	0	0
T5	423	23	0	0
T13	499	99	0	0
T14	405	5	0	0
T15	652	252	0	0
T16	408	8	0	0
T17	524	124	0	0
T18	446	46	0	0

EnterDebounceSt_A

Name	Attempts	Real Successes	Failures	Incomplete
Total	6968781	1508	0	0
T11	7404	9	0	0
T12	658	0	0	0
T28	634	0	0	0
T30	0	9	0	0
T31	0	5	0	0
T37	0	29	0	0
T38	0	12	0	0
T51	3934	0	0	0
T52	780	0	0	0
T53	487	0	0	0
T54	443	0	0	0
T63	502	0	0	0
T64	496	0	0	0
T83	0	28	0	0
T84	0	19	0	0
T85	0	26	0	0
T86	0	16	0	0
T87	0	13	0	0
T88	1867	0	0	0

EnterDetectSt_A

Name	Attempts	Real Successes	Failures	Incomplete
Total	6968781	1498	0	0
T11	7404	7	0	0
T12	658	0	0	0
T28	634	0	0	0
T30	0	7	0	0
T31	0	5	0	0
T37	0	29	0	0
T38	0	12	0	0
T51	3934	0	0	0
T52	780	0	0	0
T53	487	0	0	0
T54	443	0	0	0
T63	502	0	0	0
T64	496	0	0	0
T83	0	28	0	0
T84	0	19	0	0
T85	0	26	0	0
T86	0	16	0	0
T87	0	13	0	0
T88	1867	0	0	0

EnterStableSt_A

Name	Attempts	Real Successes	Failures	Incomplete
Total	6968781	986	0	0
T11	7404	5	0	0
T12	658	0	0	0
T28	634	0	0	0
T30	0	5	0	0
T31	0	5	0	0
T37	0	29	0	0
T38	0	12	0	0
T51	3934	0	0	0
T52	780	0	0	0
T53	487	0	0	0
T54	443	0	0	0
T63	502	0	0	0
T64	496	0	0	0
T83	0	28	0	0
T84	0	19	0	0
T85	0	26	0	0
T86	0	16	0	0
T87	0	13	0	0
T88	1867	0	0	0

PulseIsPulse_A

Name	Attempts	Real Successes	Failures	Incomplete
Total	6968781	986	0	0
T11	7404	5	0	0
T12	658	0	0	0
T28	634	0	0	0
T30	0	5	0	0
T31	0	5	0	0
T37	0	29	0	0
T38	0	12	0	0
T51	3934	0	0	0
T52	780	0	0	0
T53	487	0	0	0
T54	443	0	0	0
T63	502	0	0	0
T64	496	0	0	0
T83	0	28	0	0
T84	0	19	0	0
T85	0	26	0	0
T86	0	16	0	0
T87	0	13	0	0
T88	1867	0	0	0

StayInStableSt

Name	Attempts	Real Successes	Failures	Incomplete
Total	6968781	86410	0	0
T11	7404	355	0	0
T12	658	0	0	0
T28	634	0	0	0
T30	0	334	0	0
T31	0	244	0	0
T37	0	2423	0	0
T38	0	488	0	0
T51	3934	0	0	0
T52	780	0	0	0
T53	487	0	0	0
T54	443	0	0	0
T63	502	0	0	0
T64	496	0	0	0
T83	0	3231	0	0
T84	0	1342	0	0
T85	0	401	0	0
T86	0	1064	0	0
T87	0	2124	0	0
T88	1867	0	0	0

gen_high_event_sva.HighLevelEvent_A

Name	Attempts	Real Successes	Failures	Incomplete
Total	6968781	6512128	0	0
T1	522	122	0	0
T2	2225	1825	0	0
T4	496	96	0	0
T5	423	23	0	0
T13	499	99	0	0
T14	405	5	0	0
T15	652	252	0	0
T16	408	8	0	0
T17	524	124	0	0
T18	446	46	0	0

gen_high_level_sva.HighLevelEvent_A

Name	Attempts	Real Successes	Failures	Incomplete
Total	6968781	6512128	0	0
T1	522	122	0	0
T2	2225	1825	0	0
T4	496	96	0	0
T5	423	23	0	0
T13	499	99	0	0
T14	405	5	0	0
T15	652	252	0	0
T16	408	8	0	0
T17	524	124	0	0
T18	446	46	0	0

gen_not_sticky_sva.StableStDropOut_A

Name	Attempts	Real Successes	Failures	Incomplete
Total	6968781	878	0	0
T11	7404	5	0	0
T12	658	0	0	0
T28	634	0	0	0
T30	0	5	0	0
T31	0	4	0	0
T37	0	28	0	0
T38	0	11	0	0
T51	3934	0	0	0
T52	780	0	0	0
T53	487	0	0	0
T54	443	0	0	0
T63	502	0	0	0
T64	496	0	0	0
T83	0	28	0	0
T84	0	18	0	0
T85	0	25	0	0
T86	0	13	0	0
T87	0	8	0	0
T88	1867	0	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:       T11 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         1/1                if (!rst_ni) begin
           Tests:       T4 T5 T1 
70         1/1                  trigger_active_q <= 1'b0;
           Tests:       T4 T5 T1 
71                            end else begin
72         1/1                  trigger_active_q <= trigger_active;
           Tests:       T4 T5 T1 
73                            end
74                          end
75                      
76         1/1              assign trigger_event = trigger_active & ~trigger_active_q;
           Tests:       T4 T5 T1 
77                        // In case of level events, the event is equal to the level being active.
78                        end else begin : gen_trigger_event_level
79                          assign trigger_event = trigger_active;
80                        end
81                      
82                        /////////////////
83                        // Timer Logic //
84                        /////////////////
85                      
86                        // Take the maximum width of both timer values.
87                        localparam int unsigned TimerWidth =
88                            (DetectTimerWidth > DebounceTimerWidth) ? DetectTimerWidth : DebounceTimerWidth;
89                      
90                        logic cnt_en, cnt_clr;
91                        logic [TimerWidth-1:0] cnt_d, cnt_q;
92         1/1            assign cnt_d = (cnt_clr) ? '0           :
           Tests:       T11 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:       T1 T18 T3 
100                                                      TimerWidth'(cfg_debounce_timer_i);
101        1/1            assign cnt_done = (cnt_q >= thresh);
           Tests:       T1 T18 T3 
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 T1 
105        1/1                cnt_q <= '0;
           Tests:       T4 T5 T1 
106                         end else begin
107        1/1                cnt_q <= cnt_d;
           Tests:       T4 T5 T1 
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 T1 
126                     
127                         // Counter controls (clear has priority).
128        1/1              cnt_clr = 1'b0;
           Tests:       T4 T5 T1 
129        1/1              cnt_en = 1'b0;
           Tests:       T4 T5 T1 
130                     
131                         // Detected outputs
132        1/1              event_detected_o = 1'b0;
           Tests:       T4 T5 T1 
133        1/1              event_detected_pulse_o = 1'b0;
           Tests:       T4 T5 T1 
134                     
135                         // Threshold select
136                         // 0: debounce
137                         // 1: detect
138        1/1              thresh_sel = 1'b0;
           Tests:       T4 T5 T1 
139                     
140        1/1              unique case (state_q)
           Tests:       T4 T5 T1 
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 T1 
148        1/1                    state_d = DebounceSt;
           Tests:       T11 T30 T31 
149        1/1                    cnt_en = 1'b1;
           Tests:       T11 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:       T11 T30 T31 
161                             // Unconditionally go back to idle if the detector is disabled.
162        1/1                  if (!cfg_enable_i) begin
           Tests:       T11 T30 T31 
163        1/1                    state_d = IdleSt;
           Tests:       T11 T30 
164        1/1                    cnt_clr = 1'b1;
           Tests:       T11 T30 
165        1/1                  end else if (cnt_done) begin
           Tests:       T11 T30 T31 
166        1/1                    cnt_clr = 1'b1;
           Tests:       T11 T30 T31 
167        1/1                    if (trigger_active) begin
           Tests:       T11 T30 T31 
168        1/1                      state_d = DetectSt;
           Tests:       T11 T30 T31 
169                               end else begin
170        1/1                      state_d = IdleSt;
           Tests:       T37 T43 T270 
171                               end
172                             end
                        MISSING_ELSE
173                           end
174                           ////////////////////////////////////////////
175                           // Once the debounce period has passed, we
176                           // check whether the signal remains stable
177                           // throughout the entire detection period.
178                           // If it is not stable at any cycle, we fall
179                           // back to idle.
180                           DetectSt: begin
181        1/1                  thresh_sel = 1'b1;
           Tests:       T11 T30 T31 
182        1/1                  cnt_en = 1'b1;
           Tests:       T11 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:       T11 T30 T31 
186        1/1                    state_d = IdleSt;
           Tests:       T11 T30 T119 
187        1/1                    cnt_clr = 1'b1;
           Tests:       T11 T30 T119 
188                             // If the trigger is active, count up.
189                             end else begin
190        1/1                    if (cnt_done) begin
           Tests:       T11 T30 T31 
191        1/1                      state_d = StableSt;
           Tests:       T11 T30 T31 
192        1/1                      cnt_clr = 1'b1;
           Tests:       T11 T30 T31 
193        1/1                      event_detected_o = 1'b1;
           Tests:       T11 T30 T31 
194        1/1                      event_detected_pulse_o = 1'b1;
           Tests:       T11 T30 T31 
195                               end
                        MISSING_ELSE
196                             end
197                           end
198                           ////////////////////////////////////////////
199                           // At this point we have detected the event
200                           // and monitor whether the signal remains stable.
201                           StableSt: begin
202                             // Go back to idle if either the trigger level is not active anymore, or if the detector is
203                             // disabled. Note that if the detector is sticky, it has to be explicitly disabled in order
204                             // to go back to the idle state.
205        1/1                  if (!cfg_enable_i || (!trigger_active && !Sticky)) begin
           Tests:       T11 T30 T31 
206        1/1                    state_d = IdleSt;
           Tests:       T11 T30 T39 
207                             // Otherwise keep the event detected output signal high.
208                             end else begin
209        1/1                    event_detected_o = 1'b1;
           Tests:       T11 T30 T31 
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 T1 
220        1/1                state_q <= IdleSt;
           Tests:       T4 T5 T1 
221                         end else begin
222        1/1                state_q <= state_d;
           Tests:       T4 T5 T1 

---

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	T11,T30,T31
1	Covered	T4,T5,T1

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

-1-	-2-	Status	Tests
0	1	Covered	T11,T30,T31
1	0	Covered	T4,T5,T1
1	1	Covered	T4,T5,T1

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

-1-	Status	Tests
0	Covered	T4,T5,T1
1	Covered	T11,T30,T31

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

-1-	Status	Tests	Exclude Annotation
0	Excluded	T4,T5,T1	VC_COV_UNR
1	Covered	T11,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,T1
1	Covered	T11,T30,T31

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

-1-	-2-	Status	Tests
0	1	Covered	T11,T30,T31
1	0	Covered	T11,T51,T88
1	1	Covered	T11,T30,T31

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

-1-	-2-	Status	Tests
0	0	Covered	T11,T30,T31
0	1	Covered	T119,T105,T184
1	0	Covered	T11,T30

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

-1-	-2-	Status	Tests
0	0	Covered	T11,T30,T31
0	1	Covered	T39,T37,T83
1	0	Covered	T11,T30

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

-1-	-2-	Status	Tests
0	-	Covered	T11,T30,T31
1	-	Covered	T39,T37,T83

---

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	T11,T30,T31
DetectSt	168	Covered	T11,T30,T31
IdleSt	163	Covered	T4,T5,T1
StableSt	191	Covered	T11,T30,T31

transitions	Line No.	Covered	Tests
DebounceSt->DetectSt	168	Covered	T11,T30,T31
DebounceSt->IdleSt	163	Covered	T11,T30,T37
DetectSt->IdleSt	186	Covered	T11,T30,T119
DetectSt->StableSt	191	Covered	T11,T30,T31
IdleSt->DebounceSt	148	Covered	T11,T30,T31
StableSt->IdleSt	206	Covered	T11,T30,T31

---

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	T11,T30,T31
0	1	Covered	T11,T30,T31
0	0	Excluded	T4,T5,T1	VC_COV_UNR

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

Branches:

-1-	Status	Tests
1	Covered	T11,T30,T31
0	Covered	T4,T5,T1

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,T1
0	Covered	T4,T5,T1

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	T11,T30,T31
IdleSt	0	-	-	-	-	-	-	Covered	T4,T5,T1
DebounceSt	-	1	-	-	-	-	-	Covered	T11,T30
DebounceSt	-	0	1	1	-	-	-	Covered	T11,T30,T31
DebounceSt	-	0	1	0	-	-	-	Covered	T37,T43,T270
DebounceSt	-	0	0	-	-	-	-	Covered	T11,T30,T31
DetectSt	-	-	-	-	1	-	-	Covered	T11,T30,T119
DetectSt	-	-	-	-	0	1	-	Covered	T11,T30,T31
DetectSt	-	-	-	-	0	0	-	Covered	T11,T30,T31
StableSt	-	-	-	-	-	-	1	Covered	T11,T30,T39
StableSt	-	-	-	-	-	-	0	Covered	T11,T30,T31
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,T1
0	Covered	T4,T5,T1

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,T1
0	Covered	T4,T5,T1

---

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	6968781	795	0	0
CntIncr_A	6968781	45412	0	0
CntNoWrap_A	6968781	6509502	0	0
DetectStDropOut_A	6968781	60	0	0
DetectedOut_A	6968781	15154	0	0
DetectedPulseOut_A	6968781	315	0	0
DisabledIdleSt_A	6968781	6166280	0	0
DisabledNoDetection_A	6968781	6167555	0	0
EnterDebounceSt_A	6968781	416	0	0
EnterDetectSt_A	6968781	379	0	0
EnterStableSt_A	6968781	315	0	0
PulseIsPulse_A	6968781	315	0	0
StayInStableSt	6968781	14805	0	0
gen_high_level_sva.HighLevelEvent_A	6968781	6512128	0	0
gen_not_sticky_sva.StableStDropOut_A	6968781	279	0	0

CntClr_A

Name	Attempts	Real Successes	Failures	Incomplete
Total	6968781	795	0	0
T11	7404	8	0	0
T12	658	0	0	0
T28	634	0	0	0
T30	0	8	0	0
T31	0	2	0	0
T37	0	7	0	0
T39	0	10	0	0
T40	0	20	0	0
T41	0	12	0	0
T42	0	28	0	0
T51	3934	0	0	0
T52	780	0	0	0
T53	487	0	0	0
T54	443	0	0	0
T63	502	0	0	0
T64	496	0	0	0
T83	0	6	0	0
T84	0	2	0	0
T88	1867	0	0	0

CntIncr_A

Name	Attempts	Real Successes	Failures	Incomplete
Total	6968781	45412	0	0
T11	7404	194	0	0
T12	658	0	0	0
T28	634	0	0	0
T30	0	193	0	0
T31	0	53	0	0
T37	0	253	0	0
T39	0	225	0	0
T40	0	1220	0	0
T41	0	612	0	0
T42	0	1456	0	0
T51	3934	0	0	0
T52	780	0	0	0
T53	487	0	0	0
T54	443	0	0	0
T63	502	0	0	0
T64	496	0	0	0
T83	0	270	0	0
T84	0	46	0	0
T88	1867	0	0	0

CntNoWrap_A

Name	Attempts	Real Successes	Failures	Incomplete
Total	6968781	6509502	0	0
T1	522	121	0	0
T2	2225	1824	0	0
T4	496	95	0	0
T5	423	22	0	0
T13	499	98	0	0
T14	405	4	0	0
T15	652	251	0	0
T16	408	7	0	0
T17	524	123	0	0
T18	446	45	0	0

DetectStDropOut_A

Name	Attempts	Real Successes	Failures	Incomplete
Total	6968781	60	0	0
T105	0	3	0	0
T119	13413	5	0	0
T120	519	0	0	0
T121	726	0	0	0
T122	8402	0	0	0
T123	428	0	0	0
T124	1052	0	0	0
T125	437	0	0	0
T126	426	0	0	0
T127	501	0	0	0
T184	0	1	0	0
T234	0	3	0	0
T271	0	2	0	0
T280	0	12	0	0
T281	0	3	0	0
T282	0	3	0	0
T283	0	7	0	0
T284	0	3	0	0
T285	753	0	0	0

DetectedOut_A

Name	Attempts	Real Successes	Failures	Incomplete
Total	6968781	15154	0	0
T11	7404	99	0	0
T12	658	0	0	0
T28	634	0	0	0
T30	0	78	0	0
T31	0	67	0	0
T37	0	229	0	0
T39	0	71	0	0
T40	0	231	0	0
T41	0	307	0	0
T42	0	928	0	0
T51	3934	0	0	0
T52	780	0	0	0
T53	487	0	0	0
T54	443	0	0	0
T63	502	0	0	0
T64	496	0	0	0
T83	0	278	0	0
T84	0	47	0	0
T88	1867	0	0	0

DetectedPulseOut_A

Name	Attempts	Real Successes	Failures	Incomplete
Total	6968781	315	0	0
T11	7404	1	0	0
T12	658	0	0	0
T28	634	0	0	0
T30	0	1	0	0
T31	0	1	0	0
T37	0	3	0	0
T39	0	5	0	0
T40	0	10	0	0
T41	0	6	0	0
T42	0	14	0	0
T51	3934	0	0	0
T52	780	0	0	0
T53	487	0	0	0
T54	443	0	0	0
T63	502	0	0	0
T64	496	0	0	0
T83	0	3	0	0
T84	0	1	0	0
T88	1867	0	0	0

DisabledIdleSt_A

Name	Attempts	Real Successes	Failures	Incomplete
Total	6968781	6166280	0	0
T1	522	121	0	0
T2	2225	1824	0	0
T4	496	95	0	0
T5	423	22	0	0
T13	499	98	0	0
T14	405	4	0	0
T15	652	251	0	0
T16	408	7	0	0
T17	524	123	0	0
T18	446	45	0	0

DisabledNoDetection_A

Name	Attempts	Real Successes	Failures	Incomplete
Total	6968781	6167555	0	0
T1	522	122	0	0
T2	2225	1825	0	0
T4	496	96	0	0
T5	423	23	0	0
T13	499	99	0	0
T14	405	5	0	0
T15	652	252	0	0
T16	408	8	0	0
T17	524	124	0	0
T18	446	46	0	0

EnterDebounceSt_A

Name	Attempts	Real Successes	Failures	Incomplete
Total	6968781	416	0	0
T11	7404	5	0	0
T12	658	0	0	0
T28	634	0	0	0
T30	0	5	0	0
T31	0	1	0	0
T37	0	4	0	0
T39	0	5	0	0
T40	0	10	0	0
T41	0	6	0	0
T42	0	14	0	0
T51	3934	0	0	0
T52	780	0	0	0
T53	487	0	0	0
T54	443	0	0	0
T63	502	0	0	0
T64	496	0	0	0
T83	0	3	0	0
T84	0	1	0	0
T88	1867	0	0	0

EnterDetectSt_A

Name	Attempts	Real Successes	Failures	Incomplete
Total	6968781	379	0	0
T11	7404	3	0	0
T12	658	0	0	0
T28	634	0	0	0
T30	0	3	0	0
T31	0	1	0	0
T37	0	3	0	0
T39	0	5	0	0
T40	0	10	0	0
T41	0	6	0	0
T42	0	14	0	0
T51	3934	0	0	0
T52	780	0	0	0
T53	487	0	0	0
T54	443	0	0	0
T63	502	0	0	0
T64	496	0	0	0
T83	0	3	0	0
T84	0	1	0	0
T88	1867	0	0	0

EnterStableSt_A

Name	Attempts	Real Successes	Failures	Incomplete
Total	6968781	315	0	0
T11	7404	1	0	0
T12	658	0	0	0
T28	634	0	0	0
T30	0	1	0	0
T31	0	1	0	0
T37	0	3	0	0
T39	0	5	0	0
T40	0	10	0	0
T41	0	6	0	0
T42	0	14	0	0
T51	3934	0	0	0
T52	780	0	0	0
T53	487	0	0	0
T54	443	0	0	0
T63	502	0	0	0
T64	496	0	0	0
T83	0	3	0	0
T84	0	1	0	0
T88	1867	0	0	0

PulseIsPulse_A

Name	Attempts	Real Successes	Failures	Incomplete
Total	6968781	315	0	0
T11	7404	1	0	0
T12	658	0	0	0
T28	634	0	0	0
T30	0	1	0	0
T31	0	1	0	0
T37	0	3	0	0
T39	0	5	0	0
T40	0	10	0	0
T41	0	6	0	0
T42	0	14	0	0
T51	3934	0	0	0
T52	780	0	0	0
T53	487	0	0	0
T54	443	0	0	0
T63	502	0	0	0
T64	496	0	0	0
T83	0	3	0	0
T84	0	1	0	0
T88	1867	0	0	0

StayInStableSt

Name	Attempts	Real Successes	Failures	Incomplete
Total	6968781	14805	0	0
T11	7404	98	0	0
T12	658	0	0	0
T28	634	0	0	0
T30	0	77	0	0
T31	0	65	0	0
T37	0	226	0	0
T39	0	66	0	0
T40	0	221	0	0
T41	0	301	0	0
T42	0	914	0	0
T51	3934	0	0	0
T52	780	0	0	0
T53	487	0	0	0
T54	443	0	0	0
T63	502	0	0	0
T64	496	0	0	0
T83	0	275	0	0
T84	0	46	0	0
T88	1867	0	0	0

gen_high_level_sva.HighLevelEvent_A

Name	Attempts	Real Successes	Failures	Incomplete
Total	6968781	6512128	0	0
T1	522	122	0	0
T2	2225	1825	0	0
T4	496	96	0	0
T5	423	23	0	0
T13	499	99	0	0
T14	405	5	0	0
T15	652	252	0	0
T16	408	8	0	0
T17	524	124	0	0
T18	446	46	0	0

gen_not_sticky_sva.StableStDropOut_A

Name	Attempts	Real Successes	Failures	Incomplete
Total	6968781	279	0	0
T37	11947	3	0	0
T39	14256	5	0	0
T40	0	10	0	0
T41	0	6	0	0
T42	0	14	0	0
T44	0	2	0	0
T65	1269	0	0	0
T83	13194	3	0	0
T84	0	1	0	0
T85	0	1	0	0
T98	0	7	0	0
T159	785	0	0	0
T160	778	0	0	0
T161	424	0	0	0
T162	500	0	0	0
T163	411	0	0	0
T164	3661	0	0	0