Unified Coverage Report :: Module :: edn_ack_sm

Module : edn_ack_sm

SCORE	LINE	COND	TOGGLE	FSM	BRANCH	ASSERT
98.57	100.00	100.00		92.86	100.00	100.00

Source File(s) :
/workspaces/repo/scratch/os_regression_2024_08_26/edn-sim-vcs/default/sim-vcs/../src/lowrisc_ip_edn_0.1/rtl/edn_ack_sm.sv

Module self-instances :

NAME	SCORE	LINE	COND	TOGGLE	FSM	BRANCH	ASSERT
tb.dut.u_edn_core.gen_ep_blk[0].u_edn_ack_sm_ep	97.14	100.00	100.00		85.71	100.00	100.00
tb.dut.u_edn_core.gen_ep_blk[1].u_edn_ack_sm_ep	97.14	100.00	100.00		85.71	100.00	100.00
tb.dut.u_edn_core.gen_ep_blk[2].u_edn_ack_sm_ep	97.14	100.00	100.00		85.71	100.00	100.00
tb.dut.u_edn_core.gen_ep_blk[3].u_edn_ack_sm_ep	97.14	100.00	100.00		85.71	100.00	100.00
tb.dut.u_edn_core.gen_ep_blk[4].u_edn_ack_sm_ep	97.14	100.00	100.00		85.71	100.00	100.00
tb.dut.u_edn_core.gen_ep_blk[6].u_edn_ack_sm_ep	97.14	100.00	100.00		85.71	100.00	100.00
tb.dut.u_edn_core.gen_ep_blk[5].u_edn_ack_sm_ep	98.57	100.00	100.00		92.86	100.00	100.00

---

Module Instance : tb.dut.u_edn_core.gen_ep_blk[0].u_edn_ack_sm_ep

Instance :

SCORE	LINE	COND	TOGGLE	FSM	BRANCH	ASSERT
97.14	100.00	100.00		85.71	100.00	100.00

Instance's subtree :

SCORE	LINE	COND	TOGGLE	FSM	BRANCH	ASSERT
97.14	100.00	100.00		85.71	100.00	100.00

Parent :

SCORE	LINE	COND	TOGGLE	FSM	BRANCH	ASSERT	NAME
97.31	100.00	91.03			98.23	100.00	u_edn_core

Subtrees :

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

---

Module Instance : tb.dut.u_edn_core.gen_ep_blk[1].u_edn_ack_sm_ep

Instance :

SCORE	LINE	COND	TOGGLE	FSM	BRANCH	ASSERT
97.14	100.00	100.00		85.71	100.00	100.00

Instance's subtree :

SCORE	LINE	COND	TOGGLE	FSM	BRANCH	ASSERT
97.14	100.00	100.00		85.71	100.00	100.00

Parent :

SCORE	LINE	COND	TOGGLE	FSM	BRANCH	ASSERT	NAME
97.31	100.00	91.03			98.23	100.00	u_edn_core

Subtrees :

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

---

Module Instance : tb.dut.u_edn_core.gen_ep_blk[2].u_edn_ack_sm_ep

Instance :

SCORE	LINE	COND	TOGGLE	FSM	BRANCH	ASSERT
97.14	100.00	100.00		85.71	100.00	100.00

Instance's subtree :

SCORE	LINE	COND	TOGGLE	FSM	BRANCH	ASSERT
97.14	100.00	100.00		85.71	100.00	100.00

Parent :

SCORE	LINE	COND	TOGGLE	FSM	BRANCH	ASSERT	NAME
97.31	100.00	91.03			98.23	100.00	u_edn_core

Subtrees :

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

---

Module Instance : tb.dut.u_edn_core.gen_ep_blk[3].u_edn_ack_sm_ep

Instance :

SCORE	LINE	COND	TOGGLE	FSM	BRANCH	ASSERT
97.14	100.00	100.00		85.71	100.00	100.00

Instance's subtree :

SCORE	LINE	COND	TOGGLE	FSM	BRANCH	ASSERT
97.14	100.00	100.00		85.71	100.00	100.00

Parent :

SCORE	LINE	COND	TOGGLE	FSM	BRANCH	ASSERT	NAME
97.31	100.00	91.03			98.23	100.00	u_edn_core

Subtrees :

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

---

Module Instance : tb.dut.u_edn_core.gen_ep_blk[4].u_edn_ack_sm_ep

Instance :

SCORE	LINE	COND	TOGGLE	FSM	BRANCH	ASSERT
97.14	100.00	100.00		85.71	100.00	100.00

Instance's subtree :

SCORE	LINE	COND	TOGGLE	FSM	BRANCH	ASSERT
97.14	100.00	100.00		85.71	100.00	100.00

Parent :

SCORE	LINE	COND	TOGGLE	FSM	BRANCH	ASSERT	NAME
97.31	100.00	91.03			98.23	100.00	u_edn_core

Subtrees :

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

---

Module Instance : tb.dut.u_edn_core.gen_ep_blk[6].u_edn_ack_sm_ep

Instance :

SCORE	LINE	COND	TOGGLE	FSM	BRANCH	ASSERT
97.14	100.00	100.00		85.71	100.00	100.00

Instance's subtree :

SCORE	LINE	COND	TOGGLE	FSM	BRANCH	ASSERT
97.14	100.00	100.00		85.71	100.00	100.00

Parent :

SCORE	LINE	COND	TOGGLE	FSM	BRANCH	ASSERT	NAME
97.31	100.00	91.03			98.23	100.00	u_edn_core

Subtrees :

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

---

Module Instance : tb.dut.u_edn_core.gen_ep_blk[5].u_edn_ack_sm_ep

Instance :

SCORE	LINE	COND	TOGGLE	FSM	BRANCH	ASSERT
98.57	100.00	100.00		92.86	100.00	100.00

Instance's subtree :

SCORE	LINE	COND	TOGGLE	FSM	BRANCH	ASSERT
98.57	100.00	100.00		92.86	100.00	100.00

Parent :

SCORE	LINE	COND	TOGGLE	FSM	BRANCH	ASSERT	NAME
97.31	100.00	91.03			98.23	100.00	u_edn_core

Subtrees :

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

Line Coverage for Module : edn_ack_sm

	Line No.	Total	Covered	Percent
TOTAL		32	32	100.00
ALWAYS	52	3	3	100.00
ALWAYS	55	29	29	100.00

51                      
52         3/3            `PRIM_FLOP_SPARSE_FSM(u_state_regs, state_d, state_q, state_e, Disabled)
           Tests:       T1 T2 T3  | T1 T2 T3  | T1 T2 T3 
PRIM_FLOP_SPARSE_FSM(u_state_regs, state_d, state_q, state_e, Disabled):
52.1                    `ifdef SIMULATION                                   
52.2                        prim_sparse_fsm_flop #(                           
52.3                          .StateEnumT(state_e),                            
52.4                          .Width($bits(state_e)),                          
52.5                          .ResetValue($bits(state_e)'(Disabled)),          
52.6                          .EnableAlertTriggerSVA(1), 
52.7                          .CustomForceName("state_q")          
52.8                        ) u_state_regs (                                        
52.9                          .clk_i   ( clk_i   ),                           
52.10                         .rst_ni  ( rst_ni ),                           
52.11                         .state_i ( state_d     ),                           
52.12                         .state_o (         )                            
52.13                       );                                                
52.14                       always_ff @(posedge clk_i or negedge rst_ni) begin 
52.15      1/1              if (!rst_ni) begin                               
           Tests:       T1 T2 T3 
52.16      1/1                state_q <= Disabled;                                
           Tests:       T1 T2 T3 
52.17                       end else begin                                    
52.18      1/1                state_q <= state_d;                                     
           Tests:       T1 T2 T3 
52.19                       end                                               
52.20                     end  
52.21                       u_state_regs_A: assert property (@(posedge clk_i) disable iff ((!rst_ni) !== '0) (state_q === u_state_regs.state_o))       
52.22                       else begin                                                                           
52.23                         `ifdef UVM                                                                               
52.24                     uvm_pkg::uvm_report_error("ASSERT FAILED", "u_state_regs_A", uvm_pkg::UVM_NONE, 
52.25                                               "../src/lowrisc_ip_edn_0.1/rtl/edn_ack_sm.sv", 52, "", 1);                                
52.26                   `else                                                                                    
52.27                     $error("%0t: (%0s:%0d) [%m] [ASSERT FAILED] %0s", $time, `__FILE__, `__LINE__,         
52.28                            `PRIM_STRINGIFY(u_state_regs_A));                                                       
52.29                   `endif                                                              
52.30                       end 
52.31                     `else                                               
52.32                       prim_sparse_fsm_flop #(                           
52.33                         .StateEnumT(state_e),                            
52.34                         .Width($bits(state_e)),                          
52.35                         .ResetValue($bits(state_e)'(Disabled)),          
52.36                         .EnableAlertTriggerSVA(1)  
52.37                       ) u_state_regs (                                        
52.38                         .clk_i   ( `PRIM_FLOP_CLK   ),                           
52.39                         .rst_ni  ( `PRIM_FLOP_RST ),                           
52.40                         .state_i ( state_d     ),                           
52.41                         .state_o ( state_q     )                            
52.42                       );                                                
52.43                     `endif53                      
54                        always_comb begin
55         1/1              state_d      = state_q;
           Tests:       T1 T2 T3 
56         1/1              ack_o        = 1'b0;
           Tests:       T1 T2 T3 
57         1/1              fifo_clr_o   = 1'b0;
           Tests:       T1 T2 T3 
58         1/1              fifo_pop_o   = 1'b0;
           Tests:       T1 T2 T3 
59         1/1              ack_sm_err_o = 1'b0;
           Tests:       T1 T2 T3 
60         1/1              unique case (state_q)
           Tests:       T1 T2 T3 
61                            Disabled: begin
62         1/1                  if (enable_i) begin
           Tests:       T1 T2 T3 
63         1/1                    state_d = EndPointClear;
           Tests:       T1 T2 T3 
64         1/1                    fifo_clr_o = 1'b1;
           Tests:       T1 T2 T3 
65                              end
                        MISSING_ELSE
66                            end
67                            EndPointClear: begin
68         1/1                  state_d = Idle;
           Tests:       T1 T2 T3 
69                            end
70                            Idle: begin
71         1/1                  if (req_i) begin
           Tests:       T1 T2 T3 
72         1/1                    if (fifo_not_empty_i) begin
           Tests:       T1 T2 T3 
73         1/1                      fifo_pop_o = 1'b1;
           Tests:       T1 T2 T3 
74                                end
                        MISSING_ELSE
75         1/1                    state_d = DataWait;
           Tests:       T1 T2 T3 
76                              end
                        MISSING_ELSE
77                            end
78                            DataWait: begin
79         1/1                  if (fifo_not_empty_i) begin
           Tests:       T1 T2 T3 
80         1/1                    state_d = AckPls;
           Tests:       T1 T2 T3 
81                              end
                        MISSING_ELSE
82                            end
83                            AckPls: begin
84         1/1                  ack_o = 1'b1;
           Tests:       T1 T2 T3 
85         1/1                  state_d = Idle;
           Tests:       T1 T2 T3 
86                            end
87                            Error: begin
88         1/1                  ack_sm_err_o = 1'b1;
           Tests:       T4 T5 T30 
89                            end
90                            default: begin
91                              ack_sm_err_o = 1'b1;
92                              state_d = Error;
93                            end
94                          endcase // unique case (state_q)
95                      
96                          // If local escalation is seen, transition directly to
97                          // error state.
98         1/1              if (local_escalate_i) begin
           Tests:       T1 T2 T3 
99         1/1                state_d = Error;
           Tests:       T4 T5 T30 
100                           // Tie off outputs, except for ack_sm_err_o.
101        1/1                ack_o      = 1'b0;
           Tests:       T4 T5 T30 
102        1/1                fifo_clr_o = 1'b0;
           Tests:       T4 T5 T30 
103        1/1                fifo_pop_o = 1'b0;
           Tests:       T4 T5 T30 
104        1/1              end else if (!enable_i && state_q inside {EndPointClear, Idle, DataWait, AckPls}) begin
           Tests:       T1 T2 T3 
105                           // Only disable if state is legal and not Disabled or Error.
106                           // Even when disabled, illegal states must result in a transition to Error.
107        1/1                state_d = Disabled;
           Tests:       T22 T5 T23 
108                           // Tie off all outputs, except for ack_sm_err_o.
109        1/1                ack_o        = 1'b0;
           Tests:       T22 T5 T23 
110        1/1                fifo_pop_o   = 1'b0;
           Tests:       T22 T5 T23 
111        1/1                fifo_clr_o   = 1'b0;
           Tests:       T22 T5 T23 
112                         end
                        MISSING_ELSE

---

Cond Coverage for Module : edn_ack_sm

	Total	Covered	Percent
Conditions	3	3	100.00
Logical	3	3	100.00
Non-Logical	0	0
Event	0	0

 LINE       104
 EXPRESSION (((!enable_i)) && (state_q inside {EndPointClear, Idle, DataWait, AckPls}))
             ------1------    ----------------------------2---------------------------

-1-	-2-	Status	Tests
0	1	Covered	T1,T2,T3
1	0	Covered	T1,T2,T3
1	1	Covered	T22,T5,T23

---

FSM Coverage for Module : edn_ack_sm

Summary for FSM :: state_q

	Total	Covered	Percent
States	6	6	100.00	(Not included in score)
Transitions	14	13	92.86
Sequences	0	0

State, Transition and Sequence Details for FSM :: state_q

---

states	Line No.	Covered	Tests
AckPls	80	Covered	T1,T2,T3
DataWait	75	Covered	T1,T2,T3
Disabled	107	Covered	T1,T2,T3
EndPointClear	63	Covered	T1,T2,T3
Error	99	Covered	T4,T5,T30
Idle	68	Covered	T1,T2,T3

transitions	Line No.	Covered	Tests
AckPls->Disabled	107	Covered	T195
AckPls->Error	99	Not Covered
AckPls->Idle	85	Covered	T1,T2,T3
DataWait->AckPls	80	Covered	T1,T2,T3
DataWait->Disabled	107	Covered	T51,T48,T36
DataWait->Error	99	Covered	T65,T97,T205
Disabled->EndPointClear	63	Covered	T1,T2,T3
Disabled->Error	99	Covered	T14,T15,T16
EndPointClear->Disabled	107	Covered	T6,T17,T107
EndPointClear->Error	99	Covered	T14,T15,T16
EndPointClear->Idle	68	Covered	T1,T2,T3
Idle->DataWait	75	Covered	T1,T2,T3
Idle->Disabled	107	Covered	T22,T5,T23
Idle->Error	99	Covered	T4,T5,T30

---

Branch Coverage for Module : edn_ack_sm

	Line No.	Total	Covered	Percent
Branches		16	16	100.00
IF	52	2	2	100.00
CASE	60	11	11	100.00
IF	98	3	3	100.00

52           `PRIM_FLOP_SPARSE_FSM(u_state_regs, state_d, state_q, state_e, Disabled)
             -1-                                                                        
             ==>                                                                        
             ==>                                                                        

Branches:

-1-	Status	Tests
1	Covered	T1,T2,T3
0	Covered	T1,T2,T3

60             unique case (state_q)
                      -1-  
61               Disabled: begin
62                 if (enable_i) begin
                   -2-  
63                   state_d = EndPointClear;
                     ==>
64                   fifo_clr_o = 1'b1;
65                 end
                   MISSING_ELSE
                   ==>
66               end
67               EndPointClear: begin
68                 state_d = Idle;
                   ==>
69               end
70               Idle: begin
71                 if (req_i) begin
                   -3-  
72                   if (fifo_not_empty_i) begin
                     -4-     
73                     fifo_pop_o = 1'b1;
                       ==>
74                   end
                     MISSING_ELSE
                     ==>
75                   state_d = DataWait;
76                 end
                   MISSING_ELSE
                   ==>
77               end
78               DataWait: begin
79                 if (fifo_not_empty_i) begin
                   -5-     
80                   state_d = AckPls;
                     ==>
81                 end
                   MISSING_ELSE
                   ==>
82               end
83               AckPls: begin
84                 ack_o = 1'b1;
                   ==>
85                 state_d = Idle;
86               end
87               Error: begin
88                 ack_sm_err_o = 1'b1;
                   ==>
89               end
90               default: begin
91                 ack_sm_err_o = 1'b1;
                   ==>

Branches:

-1-	-2-	-3-	-4-	-5-	Status	Tests
Disabled	1	-	-	-	Covered	T1,T2,T3
Disabled	0	-	-	-	Covered	T1,T2,T3
EndPointClear	-	-	-	-	Covered	T1,T2,T3
Idle	-	1	1	-	Covered	T1,T2,T3
Idle	-	1	0	-	Covered	T1,T2,T3
Idle	-	0	-	-	Covered	T1,T2,T3
DataWait	-	-	-	1	Covered	T1,T2,T3
DataWait	-	-	-	0	Covered	T1,T2,T3
AckPls	-	-	-	-	Covered	T1,T2,T3
Error	-	-	-	-	Covered	T4,T5,T30
default	-	-	-	-	Covered	T30,T14,T15

98             if (local_escalate_i) begin
               -1-  
99               state_d = Error;
                 ==>
100              // Tie off outputs, except for ack_sm_err_o.
101              ack_o      = 1'b0;
102              fifo_clr_o = 1'b0;
103              fifo_pop_o = 1'b0;
104            end else if (!enable_i && state_q inside {EndPointClear, Idle, DataWait, AckPls}) begin
                        -2-  
105              // Only disable if state is legal and not Disabled or Error.
106              // Even when disabled, illegal states must result in a transition to Error.
107              state_d = Disabled;
                 ==>
108              // Tie off all outputs, except for ack_sm_err_o.
109              ack_o        = 1'b0;
110              fifo_pop_o   = 1'b0;
111              fifo_clr_o   = 1'b0;
112            end
               MISSING_ELSE
               ==>

Branches:

-1-	-2-	Status	Tests
1	-	Covered	T4,T5,T30
0	1	Covered	T22,T5,T23
0	0	Covered	T1,T2,T3

---

Assert Coverage for Module : edn_ack_sm

	Total	Attempted	Percent	Succeeded/Matched	Percent
Assertions	3	3	100.00	3	100.00
Cover properties	0	0		0
Cover sequences	0	0		0
Total	3	3	100.00	3	100.00

---

Assertion Details

Name	Attempts	Real Successes	Failures	Incomplete
AckSmErrorStStable_A	79595572	1048564	0	0
FpvSecCmErrorStEscalate_A	79595572	1055872	0	0
u_state_regs_A	79557184	78324729	0	0

AckSmErrorStStable_A

Name	Attempts	Real Successes	Failures	Incomplete
Total	79595572	1048564	0	0
T4	4368	1806	0	0
T5	6587	2744	0	0
T6	163380	0	0	0
T7	0	4214	0	0
T9	17892	0	0	0
T14	0	52248	0	0
T15	0	71680	0	0
T16	0	55587	0	0
T22	7224	0	0	0
T23	15148	0	0	0
T24	6153	0	0	0
T25	13489	0	0	0
T26	13482	0	0	0
T30	0	2729	0	0
T39	24346	0	0	0
T59	0	7686	0	0
T65	0	1806	0	0
T69	0	4402	0	0

FpvSecCmErrorStEscalate_A

Name	Attempts	Real Successes	Failures	Incomplete
Total	79595572	1055872	0	0
T4	4368	1813	0	0
T5	6587	2751	0	0
T6	163380	0	0	0
T7	0	4221	0	0
T9	17892	0	0	0
T14	0	53158	0	0
T15	0	72590	0	0
T16	0	56497	0	0
T22	7224	0	0	0
T23	15148	0	0	0
T24	6153	0	0	0
T25	13489	0	0	0
T26	13482	0	0	0
T30	0	2736	0	0
T39	24346	0	0	0
T59	0	7693	0	0
T65	0	1813	0	0
T69	0	4409	0	0

u_state_regs_A

Name	Attempts	Real Successes	Failures	Incomplete
Total	79557184	78324729	0	0
T1	6573	6223	0	0
T2	8246	7854	0	0
T3	28728	28217	0	0
T4	4256	3038	0	0
T5	6367	5254	0	0
T9	17892	17325	0	0
T22	7224	6699	0	0
T23	15148	14665	0	0
T24	6153	5600	0	0
T25	13489	12957	0	0

Line Coverage for Instance : tb.dut.u_edn_core.gen_ep_blk[0].u_edn_ack_sm_ep

	Line No.	Total	Covered	Percent
TOTAL		32	32	100.00
ALWAYS	52	3	3	100.00
ALWAYS	55	29	29	100.00

51                      
52         3/3            `PRIM_FLOP_SPARSE_FSM(u_state_regs, state_d, state_q, state_e, Disabled)
           Tests:       T1 T2 T3  | T1 T2 T3  | T1 T2 T3 
PRIM_FLOP_SPARSE_FSM(u_state_regs, state_d, state_q, state_e, Disabled):
52.1                    `ifdef SIMULATION                                   
52.2                        prim_sparse_fsm_flop #(                           
52.3                          .StateEnumT(state_e),                            
52.4                          .Width($bits(state_e)),                          
52.5                          .ResetValue($bits(state_e)'(Disabled)),          
52.6                          .EnableAlertTriggerSVA(1), 
52.7                          .CustomForceName("state_q")          
52.8                        ) u_state_regs (                                        
52.9                          .clk_i   ( clk_i   ),                           
52.10                         .rst_ni  ( rst_ni ),                           
52.11                         .state_i ( state_d     ),                           
52.12                         .state_o (         )                            
52.13                       );                                                
52.14                       always_ff @(posedge clk_i or negedge rst_ni) begin 
52.15      1/1              if (!rst_ni) begin                               
           Tests:       T1 T2 T3 
52.16      1/1                state_q <= Disabled;                                
           Tests:       T1 T2 T3 
52.17                       end else begin                                    
52.18      1/1                state_q <= state_d;                                     
           Tests:       T1 T2 T3 
52.19                       end                                               
52.20                     end  
52.21                       u_state_regs_A: assert property (@(posedge clk_i) disable iff ((!rst_ni) !== '0) (state_q === u_state_regs.state_o))       
52.22                       else begin                                                                           
52.23                         `ifdef UVM                                                                               
52.24                     uvm_pkg::uvm_report_error("ASSERT FAILED", "u_state_regs_A", uvm_pkg::UVM_NONE, 
52.25                                               "../src/lowrisc_ip_edn_0.1/rtl/edn_ack_sm.sv", 52, "", 1);                                
52.26                   `else                                                                                    
52.27                     $error("%0t: (%0s:%0d) [%m] [ASSERT FAILED] %0s", $time, `__FILE__, `__LINE__,         
52.28                            `PRIM_STRINGIFY(u_state_regs_A));                                                       
52.29                   `endif                                                              
52.30                       end 
52.31                     `else                                               
52.32                       prim_sparse_fsm_flop #(                           
52.33                         .StateEnumT(state_e),                            
52.34                         .Width($bits(state_e)),                          
52.35                         .ResetValue($bits(state_e)'(Disabled)),          
52.36                         .EnableAlertTriggerSVA(1)  
52.37                       ) u_state_regs (                                        
52.38                         .clk_i   ( `PRIM_FLOP_CLK   ),                           
52.39                         .rst_ni  ( `PRIM_FLOP_RST ),                           
52.40                         .state_i ( state_d     ),                           
52.41                         .state_o ( state_q     )                            
52.42                       );                                                
52.43                     `endif53                      
54                        always_comb begin
55         1/1              state_d      = state_q;
           Tests:       T1 T2 T3 
56         1/1              ack_o        = 1'b0;
           Tests:       T1 T2 T3 
57         1/1              fifo_clr_o   = 1'b0;
           Tests:       T1 T2 T3 
58         1/1              fifo_pop_o   = 1'b0;
           Tests:       T1 T2 T3 
59         1/1              ack_sm_err_o = 1'b0;
           Tests:       T1 T2 T3 
60         1/1              unique case (state_q)
           Tests:       T1 T2 T3 
61                            Disabled: begin
62         1/1                  if (enable_i) begin
           Tests:       T1 T2 T3 
63         1/1                    state_d = EndPointClear;
           Tests:       T1 T2 T3 
64         1/1                    fifo_clr_o = 1'b1;
           Tests:       T1 T2 T3 
65                              end
                        MISSING_ELSE
66                            end
67                            EndPointClear: begin
68         1/1                  state_d = Idle;
           Tests:       T1 T2 T3 
69                            end
70                            Idle: begin
71         1/1                  if (req_i) begin
           Tests:       T1 T2 T3 
72         1/1                    if (fifo_not_empty_i) begin
           Tests:       T1 T2 T3 
73         1/1                      fifo_pop_o = 1'b1;
           Tests:       T1 T2 T3 
74                                end
                        MISSING_ELSE
75         1/1                    state_d = DataWait;
           Tests:       T1 T2 T3 
76                              end
                        MISSING_ELSE
77                            end
78                            DataWait: begin
79         1/1                  if (fifo_not_empty_i) begin
           Tests:       T1 T2 T3 
80         1/1                    state_d = AckPls;
           Tests:       T1 T2 T3 
81                              end
                        MISSING_ELSE
82                            end
83                            AckPls: begin
84         1/1                  ack_o = 1'b1;
           Tests:       T1 T2 T3 
85         1/1                  state_d = Idle;
           Tests:       T1 T2 T3 
86                            end
87                            Error: begin
88         1/1                  ack_sm_err_o = 1'b1;
           Tests:       T4 T5 T30 
89                            end
90                            default: begin
91                              ack_sm_err_o = 1'b1;
92                              state_d = Error;
93                            end
94                          endcase // unique case (state_q)
95                      
96                          // If local escalation is seen, transition directly to
97                          // error state.
98         1/1              if (local_escalate_i) begin
           Tests:       T1 T2 T3 
99         1/1                state_d = Error;
           Tests:       T4 T5 T30 
100                           // Tie off outputs, except for ack_sm_err_o.
101        1/1                ack_o      = 1'b0;
           Tests:       T4 T5 T30 
102        1/1                fifo_clr_o = 1'b0;
           Tests:       T4 T5 T30 
103        1/1                fifo_pop_o = 1'b0;
           Tests:       T4 T5 T30 
104        1/1              end else if (!enable_i && state_q inside {EndPointClear, Idle, DataWait, AckPls}) begin
           Tests:       T1 T2 T3 
105                           // Only disable if state is legal and not Disabled or Error.
106                           // Even when disabled, illegal states must result in a transition to Error.
107        1/1                state_d = Disabled;
           Tests:       T22 T5 T23 
108                           // Tie off all outputs, except for ack_sm_err_o.
109        1/1                ack_o        = 1'b0;
           Tests:       T22 T5 T23 
110        1/1                fifo_pop_o   = 1'b0;
           Tests:       T22 T5 T23 
111        1/1                fifo_clr_o   = 1'b0;
           Tests:       T22 T5 T23 
112                         end
                        MISSING_ELSE

---

Cond Coverage for Instance : tb.dut.u_edn_core.gen_ep_blk[0].u_edn_ack_sm_ep

	Total	Covered	Percent
Conditions	3	3	100.00
Logical	3	3	100.00
Non-Logical	0	0
Event	0	0

 LINE       104
 EXPRESSION (((!enable_i)) && (state_q inside {EndPointClear, Idle, DataWait, AckPls}))
             ------1------    ----------------------------2---------------------------

-1-	-2-	Status	Tests
0	1	Covered	T1,T2,T3
1	0	Covered	T1,T2,T3
1	1	Covered	T22,T5,T23

---

FSM Coverage for Instance : tb.dut.u_edn_core.gen_ep_blk[0].u_edn_ack_sm_ep

Summary for FSM :: state_q

	Total	Covered	Percent
States	6	6	100.00	(Not included in score)
Transitions	14	12	85.71
Sequences	0	0

State, Transition and Sequence Details for FSM :: state_q

---

states	Line No.	Covered	Tests
AckPls	80	Covered	T1,T2,T3
DataWait	75	Covered	T1,T2,T3
Disabled	107	Covered	T1,T2,T3
EndPointClear	63	Covered	T1,T2,T3
Error	99	Covered	T4,T5,T30
Idle	68	Covered	T1,T2,T3

transitions	Line No.	Covered	Tests
AckPls->Disabled	107	Not Covered
AckPls->Error	99	Not Covered
AckPls->Idle	85	Covered	T1,T2,T3
DataWait->AckPls	80	Covered	T1,T2,T3
DataWait->Disabled	107	Covered	T36,T206,T38
DataWait->Error	99	Covered	T65,T97,T205
Disabled->EndPointClear	63	Covered	T1,T2,T3
Disabled->Error	99	Covered	T14,T15,T16
EndPointClear->Disabled	107	Covered	T6,T17,T107
EndPointClear->Error	99	Covered	T14,T15,T16
EndPointClear->Idle	68	Covered	T1,T2,T3
Idle->DataWait	75	Covered	T1,T2,T3
Idle->Disabled	107	Covered	T22,T5,T23
Idle->Error	99	Covered	T4,T5,T7

---

Branch Coverage for Instance : tb.dut.u_edn_core.gen_ep_blk[0].u_edn_ack_sm_ep

	Line No.	Total	Covered	Percent
Branches		16	16	100.00
IF	52	2	2	100.00
CASE	60	11	11	100.00
IF	98	3	3	100.00

52           `PRIM_FLOP_SPARSE_FSM(u_state_regs, state_d, state_q, state_e, Disabled)
             -1-                                                                        
             ==>                                                                        
             ==>                                                                        

Branches:

-1-	Status	Tests
1	Covered	T1,T2,T3
0	Covered	T1,T2,T3

60             unique case (state_q)
                      -1-  
61               Disabled: begin
62                 if (enable_i) begin
                   -2-  
63                   state_d = EndPointClear;
                     ==>
64                   fifo_clr_o = 1'b1;
65                 end
                   MISSING_ELSE
                   ==>
66               end
67               EndPointClear: begin
68                 state_d = Idle;
                   ==>
69               end
70               Idle: begin
71                 if (req_i) begin
                   -3-  
72                   if (fifo_not_empty_i) begin
                     -4-     
73                     fifo_pop_o = 1'b1;
                       ==>
74                   end
                     MISSING_ELSE
                     ==>
75                   state_d = DataWait;
76                 end
                   MISSING_ELSE
                   ==>
77               end
78               DataWait: begin
79                 if (fifo_not_empty_i) begin
                   -5-     
80                   state_d = AckPls;
                     ==>
81                 end
                   MISSING_ELSE
                   ==>
82               end
83               AckPls: begin
84                 ack_o = 1'b1;
                   ==>
85                 state_d = Idle;
86               end
87               Error: begin
88                 ack_sm_err_o = 1'b1;
                   ==>
89               end
90               default: begin
91                 ack_sm_err_o = 1'b1;
                   ==>

Branches:

-1-	-2-	-3-	-4-	-5-	Status	Tests
Disabled	1	-	-	-	Covered	T1,T2,T3
Disabled	0	-	-	-	Covered	T1,T2,T3
EndPointClear	-	-	-	-	Covered	T1,T2,T3
Idle	-	1	1	-	Covered	T1,T2,T3
Idle	-	1	0	-	Covered	T1,T2,T3
Idle	-	0	-	-	Covered	T1,T2,T3
DataWait	-	-	-	1	Covered	T1,T2,T3
DataWait	-	-	-	0	Covered	T1,T2,T3
AckPls	-	-	-	-	Covered	T1,T2,T3
Error	-	-	-	-	Covered	T4,T5,T30
default	-	-	-	-	Covered	T30,T14,T15

98             if (local_escalate_i) begin
               -1-  
99               state_d = Error;
                 ==>
100              // Tie off outputs, except for ack_sm_err_o.
101              ack_o      = 1'b0;
102              fifo_clr_o = 1'b0;
103              fifo_pop_o = 1'b0;
104            end else if (!enable_i && state_q inside {EndPointClear, Idle, DataWait, AckPls}) begin
                        -2-  
105              // Only disable if state is legal and not Disabled or Error.
106              // Even when disabled, illegal states must result in a transition to Error.
107              state_d = Disabled;
                 ==>
108              // Tie off all outputs, except for ack_sm_err_o.
109              ack_o        = 1'b0;
110              fifo_pop_o   = 1'b0;
111              fifo_clr_o   = 1'b0;
112            end
               MISSING_ELSE
               ==>

Branches:

-1-	-2-	Status	Tests
1	-	Covered	T4,T5,T30
0	1	Covered	T22,T5,T23
0	0	Covered	T1,T2,T3

---

Assert Coverage for Instance : tb.dut.u_edn_core.gen_ep_blk[0].u_edn_ack_sm_ep

	Total	Attempted	Percent	Succeeded/Matched	Percent
Assertions	3	3	100.00	3	100.00
Cover properties	0	0		0
Cover sequences	0	0		0
Total	3	3	100.00	3	100.00

---

Assertion Details

Name	Attempts	Real Successes	Failures	Incomplete
AckSmErrorStStable_A	11370796	147952	0	0
FpvSecCmErrorStEscalate_A	11370796	148996	0	0
u_state_regs_A	11332408	11156343	0	0

AckSmErrorStStable_A

Name	Attempts	Real Successes	Failures	Incomplete
Total	11370796	147952	0	0
T4	624	258	0	0
T5	941	392	0	0
T6	23340	0	0	0
T7	0	602	0	0
T9	2556	0	0	0
T14	0	7464	0	0
T15	0	10240	0	0
T16	0	7941	0	0
T22	1032	0	0	0
T23	2164	0	0	0
T24	879	0	0	0
T25	1927	0	0	0
T26	1926	0	0	0
T30	0	347	0	0
T39	3478	0	0	0
T59	0	1098	0	0
T65	0	258	0	0
T69	0	586	0	0

FpvSecCmErrorStEscalate_A

Name	Attempts	Real Successes	Failures	Incomplete
Total	11370796	148996	0	0
T4	624	259	0	0
T5	941	393	0	0
T6	23340	0	0	0
T7	0	603	0	0
T9	2556	0	0	0
T14	0	7594	0	0
T15	0	10370	0	0
T16	0	8071	0	0
T22	1032	0	0	0
T23	2164	0	0	0
T24	879	0	0	0
T25	1927	0	0	0
T26	1926	0	0	0
T30	0	348	0	0
T39	3478	0	0	0
T59	0	1099	0	0
T65	0	259	0	0
T69	0	587	0	0

u_state_regs_A

Name	Attempts	Real Successes	Failures	Incomplete
Total	11332408	11156343	0	0
T1	939	889	0	0
T2	1178	1122	0	0
T3	4104	4031	0	0
T4	512	338	0	0
T5	721	562	0	0
T9	2556	2475	0	0
T22	1032	957	0	0
T23	2164	2095	0	0
T24	879	800	0	0
T25	1927	1851	0	0

Line Coverage for Instance : tb.dut.u_edn_core.gen_ep_blk[1].u_edn_ack_sm_ep

	Line No.	Total	Covered	Percent
TOTAL		32	32	100.00
ALWAYS	52	3	3	100.00
ALWAYS	55	29	29	100.00

51                      
52         3/3            `PRIM_FLOP_SPARSE_FSM(u_state_regs, state_d, state_q, state_e, Disabled)
           Tests:       T1 T2 T3  | T1 T2 T3  | T1 T2 T3 
PRIM_FLOP_SPARSE_FSM(u_state_regs, state_d, state_q, state_e, Disabled):
52.1                    `ifdef SIMULATION                                   
52.2                        prim_sparse_fsm_flop #(                           
52.3                          .StateEnumT(state_e),                            
52.4                          .Width($bits(state_e)),                          
52.5                          .ResetValue($bits(state_e)'(Disabled)),          
52.6                          .EnableAlertTriggerSVA(1), 
52.7                          .CustomForceName("state_q")          
52.8                        ) u_state_regs (                                        
52.9                          .clk_i   ( clk_i   ),                           
52.10                         .rst_ni  ( rst_ni ),                           
52.11                         .state_i ( state_d     ),                           
52.12                         .state_o (         )                            
52.13                       );                                                
52.14                       always_ff @(posedge clk_i or negedge rst_ni) begin 
52.15      1/1              if (!rst_ni) begin                               
           Tests:       T1 T2 T3 
52.16      1/1                state_q <= Disabled;                                
           Tests:       T1 T2 T3 
52.17                       end else begin                                    
52.18      1/1                state_q <= state_d;                                     
           Tests:       T1 T2 T3 
52.19                       end                                               
52.20                     end  
52.21                       u_state_regs_A: assert property (@(posedge clk_i) disable iff ((!rst_ni) !== '0) (state_q === u_state_regs.state_o))       
52.22                       else begin                                                                           
52.23                         `ifdef UVM                                                                               
52.24                     uvm_pkg::uvm_report_error("ASSERT FAILED", "u_state_regs_A", uvm_pkg::UVM_NONE, 
52.25                                               "../src/lowrisc_ip_edn_0.1/rtl/edn_ack_sm.sv", 52, "", 1);                                
52.26                   `else                                                                                    
52.27                     $error("%0t: (%0s:%0d) [%m] [ASSERT FAILED] %0s", $time, `__FILE__, `__LINE__,         
52.28                            `PRIM_STRINGIFY(u_state_regs_A));                                                       
52.29                   `endif                                                              
52.30                       end 
52.31                     `else                                               
52.32                       prim_sparse_fsm_flop #(                           
52.33                         .StateEnumT(state_e),                            
52.34                         .Width($bits(state_e)),                          
52.35                         .ResetValue($bits(state_e)'(Disabled)),          
52.36                         .EnableAlertTriggerSVA(1)  
52.37                       ) u_state_regs (                                        
52.38                         .clk_i   ( `PRIM_FLOP_CLK   ),                           
52.39                         .rst_ni  ( `PRIM_FLOP_RST ),                           
52.40                         .state_i ( state_d     ),                           
52.41                         .state_o ( state_q     )                            
52.42                       );                                                
52.43                     `endif53                      
54                        always_comb begin
55         1/1              state_d      = state_q;
           Tests:       T1 T2 T3 
56         1/1              ack_o        = 1'b0;
           Tests:       T1 T2 T3 
57         1/1              fifo_clr_o   = 1'b0;
           Tests:       T1 T2 T3 
58         1/1              fifo_pop_o   = 1'b0;
           Tests:       T1 T2 T3 
59         1/1              ack_sm_err_o = 1'b0;
           Tests:       T1 T2 T3 
60         1/1              unique case (state_q)
           Tests:       T1 T2 T3 
61                            Disabled: begin
62         1/1                  if (enable_i) begin
           Tests:       T1 T2 T3 
63         1/1                    state_d = EndPointClear;
           Tests:       T1 T2 T3 
64         1/1                    fifo_clr_o = 1'b1;
           Tests:       T1 T2 T3 
65                              end
                        MISSING_ELSE
66                            end
67                            EndPointClear: begin
68         1/1                  state_d = Idle;
           Tests:       T1 T2 T3 
69                            end
70                            Idle: begin
71         1/1                  if (req_i) begin
           Tests:       T1 T2 T3 
72         1/1                    if (fifo_not_empty_i) begin
           Tests:       T4 T23 T9 
73         1/1                      fifo_pop_o = 1'b1;
           Tests:       T4 T23 T9 
74                                end
                        MISSING_ELSE
75         1/1                    state_d = DataWait;
           Tests:       T4 T23 T9 
76                              end
                        MISSING_ELSE
77                            end
78                            DataWait: begin
79         1/1                  if (fifo_not_empty_i) begin
           Tests:       T4 T23 T9 
80         1/1                    state_d = AckPls;
           Tests:       T4 T23 T9 
81                              end
                        MISSING_ELSE
82                            end
83                            AckPls: begin
84         1/1                  ack_o = 1'b1;
           Tests:       T4 T23 T9 
85         1/1                  state_d = Idle;
           Tests:       T4 T23 T9 
86                            end
87                            Error: begin
88         1/1                  ack_sm_err_o = 1'b1;
           Tests:       T4 T5 T30 
89                            end
90                            default: begin
91                              ack_sm_err_o = 1'b1;
92                              state_d = Error;
93                            end
94                          endcase // unique case (state_q)
95                      
96                          // If local escalation is seen, transition directly to
97                          // error state.
98         1/1              if (local_escalate_i) begin
           Tests:       T1 T2 T3 
99         1/1                state_d = Error;
           Tests:       T4 T5 T30 
100                           // Tie off outputs, except for ack_sm_err_o.
101        1/1                ack_o      = 1'b0;
           Tests:       T4 T5 T30 
102        1/1                fifo_clr_o = 1'b0;
           Tests:       T4 T5 T30 
103        1/1                fifo_pop_o = 1'b0;
           Tests:       T4 T5 T30 
104        1/1              end else if (!enable_i && state_q inside {EndPointClear, Idle, DataWait, AckPls}) begin
           Tests:       T1 T2 T3 
105                           // Only disable if state is legal and not Disabled or Error.
106                           // Even when disabled, illegal states must result in a transition to Error.
107        1/1                state_d = Disabled;
           Tests:       T22 T5 T23 
108                           // Tie off all outputs, except for ack_sm_err_o.
109        1/1                ack_o        = 1'b0;
           Tests:       T22 T5 T23 
110        1/1                fifo_pop_o   = 1'b0;
           Tests:       T22 T5 T23 
111        1/1                fifo_clr_o   = 1'b0;
           Tests:       T22 T5 T23 
112                         end
                        MISSING_ELSE

---

Cond Coverage for Instance : tb.dut.u_edn_core.gen_ep_blk[1].u_edn_ack_sm_ep

	Total	Covered	Percent
Conditions	3	3	100.00
Logical	3	3	100.00
Non-Logical	0	0
Event	0	0

 LINE       104
 EXPRESSION (((!enable_i)) && (state_q inside {EndPointClear, Idle, DataWait, AckPls}))
             ------1------    ----------------------------2---------------------------

-1-	-2-	Status	Tests
0	1	Covered	T1,T2,T3
1	0	Covered	T1,T2,T3
1	1	Covered	T22,T5,T23

---

FSM Coverage for Instance : tb.dut.u_edn_core.gen_ep_blk[1].u_edn_ack_sm_ep

Summary for FSM :: state_q

	Total	Covered	Percent
States	6	6	100.00	(Not included in score)
Transitions	14	12	85.71
Sequences	0	0

State, Transition and Sequence Details for FSM :: state_q

---

states	Line No.	Covered	Tests
AckPls	80	Covered	T4,T23,T9
DataWait	75	Covered	T4,T23,T9
Disabled	107	Covered	T1,T2,T3
EndPointClear	63	Covered	T1,T2,T3
Error	99	Covered	T4,T5,T30
Idle	68	Covered	T1,T2,T3

transitions	Line No.	Covered	Tests
AckPls->Disabled	107	Not Covered
AckPls->Error	99	Not Covered
AckPls->Idle	85	Covered	T4,T23,T9
DataWait->AckPls	80	Covered	T4,T23,T9
DataWait->Disabled	107	Covered	T207,T208
DataWait->Error	99	Covered	T209,T193,T210
Disabled->EndPointClear	63	Covered	T1,T2,T3
Disabled->Error	99	Covered	T14,T15,T16
EndPointClear->Disabled	107	Covered	T6,T17,T107
EndPointClear->Error	99	Covered	T14,T15,T16
EndPointClear->Idle	68	Covered	T1,T2,T3
Idle->DataWait	75	Covered	T4,T23,T9
Idle->Disabled	107	Covered	T22,T5,T23
Idle->Error	99	Covered	T4,T5,T30

---

Branch Coverage for Instance : tb.dut.u_edn_core.gen_ep_blk[1].u_edn_ack_sm_ep

	Line No.	Total	Covered	Percent
Branches		16	16	100.00
IF	52	2	2	100.00
CASE	60	11	11	100.00
IF	98	3	3	100.00

52           `PRIM_FLOP_SPARSE_FSM(u_state_regs, state_d, state_q, state_e, Disabled)
             -1-                                                                        
             ==>                                                                        
             ==>                                                                        

Branches:

-1-	Status	Tests
1	Covered	T1,T2,T3
0	Covered	T1,T2,T3

60             unique case (state_q)
                      -1-  
61               Disabled: begin
62                 if (enable_i) begin
                   -2-  
63                   state_d = EndPointClear;
                     ==>
64                   fifo_clr_o = 1'b1;
65                 end
                   MISSING_ELSE
                   ==>
66               end
67               EndPointClear: begin
68                 state_d = Idle;
                   ==>
69               end
70               Idle: begin
71                 if (req_i) begin
                   -3-  
72                   if (fifo_not_empty_i) begin
                     -4-     
73                     fifo_pop_o = 1'b1;
                       ==>
74                   end
                     MISSING_ELSE
                     ==>
75                   state_d = DataWait;
76                 end
                   MISSING_ELSE
                   ==>
77               end
78               DataWait: begin
79                 if (fifo_not_empty_i) begin
                   -5-     
80                   state_d = AckPls;
                     ==>
81                 end
                   MISSING_ELSE
                   ==>
82               end
83               AckPls: begin
84                 ack_o = 1'b1;
                   ==>
85                 state_d = Idle;
86               end
87               Error: begin
88                 ack_sm_err_o = 1'b1;
                   ==>
89               end
90               default: begin
91                 ack_sm_err_o = 1'b1;
                   ==>

Branches:

-1-	-2-	-3-	-4-	-5-	Status	Tests
Disabled	1	-	-	-	Covered	T1,T2,T3
Disabled	0	-	-	-	Covered	T1,T2,T3
EndPointClear	-	-	-	-	Covered	T1,T2,T3
Idle	-	1	1	-	Covered	T4,T23,T9
Idle	-	1	0	-	Covered	T4,T23,T9
Idle	-	0	-	-	Covered	T1,T2,T3
DataWait	-	-	-	1	Covered	T4,T23,T9
DataWait	-	-	-	0	Covered	T23,T9,T39
AckPls	-	-	-	-	Covered	T4,T23,T9
Error	-	-	-	-	Covered	T4,T5,T30
default	-	-	-	-	Covered	T14,T15,T16

98             if (local_escalate_i) begin
               -1-  
99               state_d = Error;
                 ==>
100              // Tie off outputs, except for ack_sm_err_o.
101              ack_o      = 1'b0;
102              fifo_clr_o = 1'b0;
103              fifo_pop_o = 1'b0;
104            end else if (!enable_i && state_q inside {EndPointClear, Idle, DataWait, AckPls}) begin
                        -2-  
105              // Only disable if state is legal and not Disabled or Error.
106              // Even when disabled, illegal states must result in a transition to Error.
107              state_d = Disabled;
                 ==>
108              // Tie off all outputs, except for ack_sm_err_o.
109              ack_o        = 1'b0;
110              fifo_pop_o   = 1'b0;
111              fifo_clr_o   = 1'b0;
112            end
               MISSING_ELSE
               ==>

Branches:

-1-	-2-	Status	Tests
1	-	Covered	T4,T5,T30
0	1	Covered	T22,T5,T23
0	0	Covered	T1,T2,T3

---

Assert Coverage for Instance : tb.dut.u_edn_core.gen_ep_blk[1].u_edn_ack_sm_ep

	Total	Attempted	Percent	Succeeded/Matched	Percent
Assertions	3	3	100.00	3	100.00
Cover properties	0	0		0
Cover sequences	0	0		0
Total	3	3	100.00	3	100.00

---

Assertion Details

Name	Attempts	Real Successes	Failures	Incomplete
AckSmErrorStStable_A	11370796	150102	0	0
FpvSecCmErrorStEscalate_A	11370796	151146	0	0
u_state_regs_A	11370796	11194731	0	0

AckSmErrorStStable_A

Name	Attempts	Real Successes	Failures	Incomplete
Total	11370796	150102	0	0
T4	624	258	0	0
T5	941	392	0	0
T6	23340	0	0	0
T7	0	602	0	0
T9	2556	0	0	0
T14	0	7464	0	0
T15	0	10240	0	0
T16	0	7941	0	0
T22	1032	0	0	0
T23	2164	0	0	0
T24	879	0	0	0
T25	1927	0	0	0
T26	1926	0	0	0
T30	0	397	0	0
T39	3478	0	0	0
T59	0	1098	0	0
T65	0	258	0	0
T69	0	636	0	0

FpvSecCmErrorStEscalate_A

Name	Attempts	Real Successes	Failures	Incomplete
Total	11370796	151146	0	0
T4	624	259	0	0
T5	941	393	0	0
T6	23340	0	0	0
T7	0	603	0	0
T9	2556	0	0	0
T14	0	7594	0	0
T15	0	10370	0	0
T16	0	8071	0	0
T22	1032	0	0	0
T23	2164	0	0	0
T24	879	0	0	0
T25	1927	0	0	0
T26	1926	0	0	0
T30	0	398	0	0
T39	3478	0	0	0
T59	0	1099	0	0
T65	0	259	0	0
T69	0	637	0	0

u_state_regs_A

Name	Attempts	Real Successes	Failures	Incomplete
Total	11370796	11194731	0	0
T1	939	889	0	0
T2	1178	1122	0	0
T3	4104	4031	0	0
T4	624	450	0	0
T5	941	782	0	0
T9	2556	2475	0	0
T22	1032	957	0	0
T23	2164	2095	0	0
T24	879	800	0	0
T25	1927	1851	0	0

Line Coverage for Instance : tb.dut.u_edn_core.gen_ep_blk[2].u_edn_ack_sm_ep

	Line No.	Total	Covered	Percent
TOTAL		32	32	100.00
ALWAYS	52	3	3	100.00
ALWAYS	55	29	29	100.00

51                      
52         3/3            `PRIM_FLOP_SPARSE_FSM(u_state_regs, state_d, state_q, state_e, Disabled)
           Tests:       T1 T2 T3  | T1 T2 T3  | T1 T2 T3 
PRIM_FLOP_SPARSE_FSM(u_state_regs, state_d, state_q, state_e, Disabled):
52.1                    `ifdef SIMULATION                                   
52.2                        prim_sparse_fsm_flop #(                           
52.3                          .StateEnumT(state_e),                            
52.4                          .Width($bits(state_e)),                          
52.5                          .ResetValue($bits(state_e)'(Disabled)),          
52.6                          .EnableAlertTriggerSVA(1), 
52.7                          .CustomForceName("state_q")          
52.8                        ) u_state_regs (                                        
52.9                          .clk_i   ( clk_i   ),                           
52.10                         .rst_ni  ( rst_ni ),                           
52.11                         .state_i ( state_d     ),                           
52.12                         .state_o (         )                            
52.13                       );                                                
52.14                       always_ff @(posedge clk_i or negedge rst_ni) begin 
52.15      1/1              if (!rst_ni) begin                               
           Tests:       T1 T2 T3 
52.16      1/1                state_q <= Disabled;                                
           Tests:       T1 T2 T3 
52.17                       end else begin                                    
52.18      1/1                state_q <= state_d;                                     
           Tests:       T1 T2 T3 
52.19                       end                                               
52.20                     end  
52.21                       u_state_regs_A: assert property (@(posedge clk_i) disable iff ((!rst_ni) !== '0) (state_q === u_state_regs.state_o))       
52.22                       else begin                                                                           
52.23                         `ifdef UVM                                                                               
52.24                     uvm_pkg::uvm_report_error("ASSERT FAILED", "u_state_regs_A", uvm_pkg::UVM_NONE, 
52.25                                               "../src/lowrisc_ip_edn_0.1/rtl/edn_ack_sm.sv", 52, "", 1);                                
52.26                   `else                                                                                    
52.27                     $error("%0t: (%0s:%0d) [%m] [ASSERT FAILED] %0s", $time, `__FILE__, `__LINE__,         
52.28                            `PRIM_STRINGIFY(u_state_regs_A));                                                       
52.29                   `endif                                                              
52.30                       end 
52.31                     `else                                               
52.32                       prim_sparse_fsm_flop #(                           
52.33                         .StateEnumT(state_e),                            
52.34                         .Width($bits(state_e)),                          
52.35                         .ResetValue($bits(state_e)'(Disabled)),          
52.36                         .EnableAlertTriggerSVA(1)  
52.37                       ) u_state_regs (                                        
52.38                         .clk_i   ( `PRIM_FLOP_CLK   ),                           
52.39                         .rst_ni  ( `PRIM_FLOP_RST ),                           
52.40                         .state_i ( state_d     ),                           
52.41                         .state_o ( state_q     )                            
52.42                       );                                                
52.43                     `endif53                      
54                        always_comb begin
55         1/1              state_d      = state_q;
           Tests:       T1 T2 T3 
56         1/1              ack_o        = 1'b0;
           Tests:       T1 T2 T3 
57         1/1              fifo_clr_o   = 1'b0;
           Tests:       T1 T2 T3 
58         1/1              fifo_pop_o   = 1'b0;
           Tests:       T1 T2 T3 
59         1/1              ack_sm_err_o = 1'b0;
           Tests:       T1 T2 T3 
60         1/1              unique case (state_q)
           Tests:       T1 T2 T3 
61                            Disabled: begin
62         1/1                  if (enable_i) begin
           Tests:       T1 T2 T3 
63         1/1                    state_d = EndPointClear;
           Tests:       T1 T2 T3 
64         1/1                    fifo_clr_o = 1'b1;
           Tests:       T1 T2 T3 
65                              end
                        MISSING_ELSE
66                            end
67                            EndPointClear: begin
68         1/1                  state_d = Idle;
           Tests:       T1 T2 T3 
69                            end
70                            Idle: begin
71         1/1                  if (req_i) begin
           Tests:       T1 T2 T3 
72         1/1                    if (fifo_not_empty_i) begin
           Tests:       T39 T17 T45 
73         1/1                      fifo_pop_o = 1'b1;
           Tests:       T39 T17 T45 
74                                end
                        MISSING_ELSE
75         1/1                    state_d = DataWait;
           Tests:       T39 T17 T45 
76                              end
                        MISSING_ELSE
77                            end
78                            DataWait: begin
79         1/1                  if (fifo_not_empty_i) begin
           Tests:       T39 T17 T45 
80         1/1                    state_d = AckPls;
           Tests:       T39 T17 T45 
81                              end
                        MISSING_ELSE
82                            end
83                            AckPls: begin
84         1/1                  ack_o = 1'b1;
           Tests:       T39 T17 T45 
85         1/1                  state_d = Idle;
           Tests:       T39 T17 T45 
86                            end
87                            Error: begin
88         1/1                  ack_sm_err_o = 1'b1;
           Tests:       T4 T5 T30 
89                            end
90                            default: begin
91                              ack_sm_err_o = 1'b1;
92                              state_d = Error;
93                            end
94                          endcase // unique case (state_q)
95                      
96                          // If local escalation is seen, transition directly to
97                          // error state.
98         1/1              if (local_escalate_i) begin
           Tests:       T1 T2 T3 
99         1/1                state_d = Error;
           Tests:       T4 T5 T30 
100                           // Tie off outputs, except for ack_sm_err_o.
101        1/1                ack_o      = 1'b0;
           Tests:       T4 T5 T30 
102        1/1                fifo_clr_o = 1'b0;
           Tests:       T4 T5 T30 
103        1/1                fifo_pop_o = 1'b0;
           Tests:       T4 T5 T30 
104        1/1              end else if (!enable_i && state_q inside {EndPointClear, Idle, DataWait, AckPls}) begin
           Tests:       T1 T2 T3 
105                           // Only disable if state is legal and not Disabled or Error.
106                           // Even when disabled, illegal states must result in a transition to Error.
107        1/1                state_d = Disabled;
           Tests:       T22 T5 T23 
108                           // Tie off all outputs, except for ack_sm_err_o.
109        1/1                ack_o        = 1'b0;
           Tests:       T22 T5 T23 
110        1/1                fifo_pop_o   = 1'b0;
           Tests:       T22 T5 T23 
111        1/1                fifo_clr_o   = 1'b0;
           Tests:       T22 T5 T23 
112                         end
                        MISSING_ELSE

---

Cond Coverage for Instance : tb.dut.u_edn_core.gen_ep_blk[2].u_edn_ack_sm_ep

	Total	Covered	Percent
Conditions	3	3	100.00
Logical	3	3	100.00
Non-Logical	0	0
Event	0	0

 LINE       104
 EXPRESSION (((!enable_i)) && (state_q inside {EndPointClear, Idle, DataWait, AckPls}))
             ------1------    ----------------------------2---------------------------

-1-	-2-	Status	Tests
0	1	Covered	T1,T2,T3
1	0	Covered	T1,T2,T3
1	1	Covered	T22,T5,T23

---

FSM Coverage for Instance : tb.dut.u_edn_core.gen_ep_blk[2].u_edn_ack_sm_ep

Summary for FSM :: state_q

	Total	Covered	Percent
States	6	6	100.00	(Not included in score)
Transitions	14	12	85.71
Sequences	0	0

State, Transition and Sequence Details for FSM :: state_q

---

states	Line No.	Covered	Tests
AckPls	80	Covered	T39,T17,T45
DataWait	75	Covered	T39,T17,T45
Disabled	107	Covered	T1,T2,T3
EndPointClear	63	Covered	T1,T2,T3
Error	99	Covered	T4,T5,T30
Idle	68	Covered	T1,T2,T3

transitions	Line No.	Covered	Tests
AckPls->Disabled	107	Not Covered
AckPls->Error	99	Not Covered
AckPls->Idle	85	Covered	T39,T17,T45
DataWait->AckPls	80	Covered	T39,T17,T45
DataWait->Disabled	107	Covered	T76,T211
DataWait->Error	99	Covered	T168,T169,T212
Disabled->EndPointClear	63	Covered	T1,T2,T3
Disabled->Error	99	Covered	T14,T15,T16
EndPointClear->Disabled	107	Covered	T6,T17,T107
EndPointClear->Error	99	Covered	T14,T15,T16
EndPointClear->Idle	68	Covered	T1,T2,T3
Idle->DataWait	75	Covered	T39,T17,T45
Idle->Disabled	107	Covered	T22,T5,T23
Idle->Error	99	Covered	T4,T5,T30

---

Branch Coverage for Instance : tb.dut.u_edn_core.gen_ep_blk[2].u_edn_ack_sm_ep

	Line No.	Total	Covered	Percent
Branches		16	16	100.00
IF	52	2	2	100.00
CASE	60	11	11	100.00
IF	98	3	3	100.00

52           `PRIM_FLOP_SPARSE_FSM(u_state_regs, state_d, state_q, state_e, Disabled)
             -1-                                                                        
             ==>                                                                        
             ==>                                                                        

Branches:

-1-	Status	Tests
1	Covered	T1,T2,T3
0	Covered	T1,T2,T3

60             unique case (state_q)
                      -1-  
61               Disabled: begin
62                 if (enable_i) begin
                   -2-  
63                   state_d = EndPointClear;
                     ==>
64                   fifo_clr_o = 1'b1;
65                 end
                   MISSING_ELSE
                   ==>
66               end
67               EndPointClear: begin
68                 state_d = Idle;
                   ==>
69               end
70               Idle: begin
71                 if (req_i) begin
                   -3-  
72                   if (fifo_not_empty_i) begin
                     -4-     
73                     fifo_pop_o = 1'b1;
                       ==>
74                   end
                     MISSING_ELSE
                     ==>
75                   state_d = DataWait;
76                 end
                   MISSING_ELSE
                   ==>
77               end
78               DataWait: begin
79                 if (fifo_not_empty_i) begin
                   -5-     
80                   state_d = AckPls;
                     ==>
81                 end
                   MISSING_ELSE
                   ==>
82               end
83               AckPls: begin
84                 ack_o = 1'b1;
                   ==>
85                 state_d = Idle;
86               end
87               Error: begin
88                 ack_sm_err_o = 1'b1;
                   ==>
89               end
90               default: begin
91                 ack_sm_err_o = 1'b1;
                   ==>

Branches:

-1-	-2-	-3-	-4-	-5-	Status	Tests
Disabled	1	-	-	-	Covered	T1,T2,T3
Disabled	0	-	-	-	Covered	T1,T2,T3
EndPointClear	-	-	-	-	Covered	T1,T2,T3
Idle	-	1	1	-	Covered	T39,T17,T45
Idle	-	1	0	-	Covered	T39,T17,T45
Idle	-	0	-	-	Covered	T1,T2,T3
DataWait	-	-	-	1	Covered	T39,T17,T45
DataWait	-	-	-	0	Covered	T39,T17,T45
AckPls	-	-	-	-	Covered	T39,T17,T45
Error	-	-	-	-	Covered	T4,T5,T30
default	-	-	-	-	Covered	T14,T15,T16

98             if (local_escalate_i) begin
               -1-  
99               state_d = Error;
                 ==>
100              // Tie off outputs, except for ack_sm_err_o.
101              ack_o      = 1'b0;
102              fifo_clr_o = 1'b0;
103              fifo_pop_o = 1'b0;
104            end else if (!enable_i && state_q inside {EndPointClear, Idle, DataWait, AckPls}) begin
                        -2-  
105              // Only disable if state is legal and not Disabled or Error.
106              // Even when disabled, illegal states must result in a transition to Error.
107              state_d = Disabled;
                 ==>
108              // Tie off all outputs, except for ack_sm_err_o.
109              ack_o        = 1'b0;
110              fifo_pop_o   = 1'b0;
111              fifo_clr_o   = 1'b0;
112            end
               MISSING_ELSE
               ==>

Branches:

-1-	-2-	Status	Tests
1	-	Covered	T4,T5,T30
0	1	Covered	T22,T5,T23
0	0	Covered	T1,T2,T3

---

Assert Coverage for Instance : tb.dut.u_edn_core.gen_ep_blk[2].u_edn_ack_sm_ep

	Total	Attempted	Percent	Succeeded/Matched	Percent
Assertions	3	3	100.00	3	100.00
Cover properties	0	0		0
Cover sequences	0	0		0
Total	3	3	100.00	3	100.00

---

Assertion Details

Name	Attempts	Real Successes	Failures	Incomplete
AckSmErrorStStable_A	11370796	150102	0	0
FpvSecCmErrorStEscalate_A	11370796	151146	0	0
u_state_regs_A	11370796	11194731	0	0

AckSmErrorStStable_A

Name	Attempts	Real Successes	Failures	Incomplete
Total	11370796	150102	0	0
T4	624	258	0	0
T5	941	392	0	0
T6	23340	0	0	0
T7	0	602	0	0
T9	2556	0	0	0
T14	0	7464	0	0
T15	0	10240	0	0
T16	0	7941	0	0
T22	1032	0	0	0
T23	2164	0	0	0
T24	879	0	0	0
T25	1927	0	0	0
T26	1926	0	0	0
T30	0	397	0	0
T39	3478	0	0	0
T59	0	1098	0	0
T65	0	258	0	0
T69	0	636	0	0

FpvSecCmErrorStEscalate_A

Name	Attempts	Real Successes	Failures	Incomplete
Total	11370796	151146	0	0
T4	624	259	0	0
T5	941	393	0	0
T6	23340	0	0	0
T7	0	603	0	0
T9	2556	0	0	0
T14	0	7594	0	0
T15	0	10370	0	0
T16	0	8071	0	0
T22	1032	0	0	0
T23	2164	0	0	0
T24	879	0	0	0
T25	1927	0	0	0
T26	1926	0	0	0
T30	0	398	0	0
T39	3478	0	0	0
T59	0	1099	0	0
T65	0	259	0	0
T69	0	637	0	0

u_state_regs_A

Name	Attempts	Real Successes	Failures	Incomplete
Total	11370796	11194731	0	0
T1	939	889	0	0
T2	1178	1122	0	0
T3	4104	4031	0	0
T4	624	450	0	0
T5	941	782	0	0
T9	2556	2475	0	0
T22	1032	957	0	0
T23	2164	2095	0	0
T24	879	800	0	0
T25	1927	1851	0	0

Line Coverage for Instance : tb.dut.u_edn_core.gen_ep_blk[3].u_edn_ack_sm_ep

	Line No.	Total	Covered	Percent
TOTAL		32	32	100.00
ALWAYS	52	3	3	100.00
ALWAYS	55	29	29	100.00

51                      
52         3/3            `PRIM_FLOP_SPARSE_FSM(u_state_regs, state_d, state_q, state_e, Disabled)
           Tests:       T1 T2 T3  | T1 T2 T3  | T1 T2 T3 
PRIM_FLOP_SPARSE_FSM(u_state_regs, state_d, state_q, state_e, Disabled):
52.1                    `ifdef SIMULATION                                   
52.2                        prim_sparse_fsm_flop #(                           
52.3                          .StateEnumT(state_e),                            
52.4                          .Width($bits(state_e)),                          
52.5                          .ResetValue($bits(state_e)'(Disabled)),          
52.6                          .EnableAlertTriggerSVA(1), 
52.7                          .CustomForceName("state_q")          
52.8                        ) u_state_regs (                                        
52.9                          .clk_i   ( clk_i   ),                           
52.10                         .rst_ni  ( rst_ni ),                           
52.11                         .state_i ( state_d     ),                           
52.12                         .state_o (         )                            
52.13                       );                                                
52.14                       always_ff @(posedge clk_i or negedge rst_ni) begin 
52.15      1/1              if (!rst_ni) begin                               
           Tests:       T1 T2 T3 
52.16      1/1                state_q <= Disabled;                                
           Tests:       T1 T2 T3 
52.17                       end else begin                                    
52.18      1/1                state_q <= state_d;                                     
           Tests:       T1 T2 T3 
52.19                       end                                               
52.20                     end  
52.21                       u_state_regs_A: assert property (@(posedge clk_i) disable iff ((!rst_ni) !== '0) (state_q === u_state_regs.state_o))       
52.22                       else begin                                                                           
52.23                         `ifdef UVM                                                                               
52.24                     uvm_pkg::uvm_report_error("ASSERT FAILED", "u_state_regs_A", uvm_pkg::UVM_NONE, 
52.25                                               "../src/lowrisc_ip_edn_0.1/rtl/edn_ack_sm.sv", 52, "", 1);                                
52.26                   `else                                                                                    
52.27                     $error("%0t: (%0s:%0d) [%m] [ASSERT FAILED] %0s", $time, `__FILE__, `__LINE__,         
52.28                            `PRIM_STRINGIFY(u_state_regs_A));                                                       
52.29                   `endif                                                              
52.30                       end 
52.31                     `else                                               
52.32                       prim_sparse_fsm_flop #(                           
52.33                         .StateEnumT(state_e),                            
52.34                         .Width($bits(state_e)),                          
52.35                         .ResetValue($bits(state_e)'(Disabled)),          
52.36                         .EnableAlertTriggerSVA(1)  
52.37                       ) u_state_regs (                                        
52.38                         .clk_i   ( `PRIM_FLOP_CLK   ),                           
52.39                         .rst_ni  ( `PRIM_FLOP_RST ),                           
52.40                         .state_i ( state_d     ),                           
52.41                         .state_o ( state_q     )                            
52.42                       );                                                
52.43                     `endif53                      
54                        always_comb begin
55         1/1              state_d      = state_q;
           Tests:       T1 T2 T3 
56         1/1              ack_o        = 1'b0;
           Tests:       T1 T2 T3 
57         1/1              fifo_clr_o   = 1'b0;
           Tests:       T1 T2 T3 
58         1/1              fifo_pop_o   = 1'b0;
           Tests:       T1 T2 T3 
59         1/1              ack_sm_err_o = 1'b0;
           Tests:       T1 T2 T3 
60         1/1              unique case (state_q)
           Tests:       T1 T2 T3 
61                            Disabled: begin
62         1/1                  if (enable_i) begin
           Tests:       T1 T2 T3 
63         1/1                    state_d = EndPointClear;
           Tests:       T1 T2 T3 
64         1/1                    fifo_clr_o = 1'b1;
           Tests:       T1 T2 T3 
65                              end
                        MISSING_ELSE
66                            end
67                            EndPointClear: begin
68         1/1                  state_d = Idle;
           Tests:       T1 T2 T3 
69                            end
70                            Idle: begin
71         1/1                  if (req_i) begin
           Tests:       T1 T2 T3 
72         1/1                    if (fifo_not_empty_i) begin
           Tests:       T39 T7 T49 
73         1/1                      fifo_pop_o = 1'b1;
           Tests:       T39 T7 T49 
74                                end
                        MISSING_ELSE
75         1/1                    state_d = DataWait;
           Tests:       T39 T7 T49 
76                              end
                        MISSING_ELSE
77                            end
78                            DataWait: begin
79         1/1                  if (fifo_not_empty_i) begin
           Tests:       T39 T7 T49 
80         1/1                    state_d = AckPls;
           Tests:       T39 T7 T49 
81                              end
                        MISSING_ELSE
82                            end
83                            AckPls: begin
84         1/1                  ack_o = 1'b1;
           Tests:       T39 T7 T49 
85         1/1                  state_d = Idle;
           Tests:       T39 T7 T49 
86                            end
87                            Error: begin
88         1/1                  ack_sm_err_o = 1'b1;
           Tests:       T4 T5 T30 
89                            end
90                            default: begin
91                              ack_sm_err_o = 1'b1;
92                              state_d = Error;
93                            end
94                          endcase // unique case (state_q)
95                      
96                          // If local escalation is seen, transition directly to
97                          // error state.
98         1/1              if (local_escalate_i) begin
           Tests:       T1 T2 T3 
99         1/1                state_d = Error;
           Tests:       T4 T5 T30 
100                           // Tie off outputs, except for ack_sm_err_o.
101        1/1                ack_o      = 1'b0;
           Tests:       T4 T5 T30 
102        1/1                fifo_clr_o = 1'b0;
           Tests:       T4 T5 T30 
103        1/1                fifo_pop_o = 1'b0;
           Tests:       T4 T5 T30 
104        1/1              end else if (!enable_i && state_q inside {EndPointClear, Idle, DataWait, AckPls}) begin
           Tests:       T1 T2 T3 
105                           // Only disable if state is legal and not Disabled or Error.
106                           // Even when disabled, illegal states must result in a transition to Error.
107        1/1                state_d = Disabled;
           Tests:       T22 T5 T23 
108                           // Tie off all outputs, except for ack_sm_err_o.
109        1/1                ack_o        = 1'b0;
           Tests:       T22 T5 T23 
110        1/1                fifo_pop_o   = 1'b0;
           Tests:       T22 T5 T23 
111        1/1                fifo_clr_o   = 1'b0;
           Tests:       T22 T5 T23 
112                         end
                        MISSING_ELSE

---

Cond Coverage for Instance : tb.dut.u_edn_core.gen_ep_blk[3].u_edn_ack_sm_ep

	Total	Covered	Percent
Conditions	3	3	100.00
Logical	3	3	100.00
Non-Logical	0	0
Event	0	0

 LINE       104
 EXPRESSION (((!enable_i)) && (state_q inside {EndPointClear, Idle, DataWait, AckPls}))
             ------1------    ----------------------------2---------------------------

-1-	-2-	Status	Tests
0	1	Covered	T1,T2,T3
1	0	Covered	T1,T2,T3
1	1	Covered	T22,T5,T23

---

FSM Coverage for Instance : tb.dut.u_edn_core.gen_ep_blk[3].u_edn_ack_sm_ep

Summary for FSM :: state_q

	Total	Covered	Percent
States	6	6	100.00	(Not included in score)
Transitions	14	12	85.71
Sequences	0	0

State, Transition and Sequence Details for FSM :: state_q

---

states	Line No.	Covered	Tests
AckPls	80	Covered	T39,T7,T49
DataWait	75	Covered	T39,T7,T49
Disabled	107	Covered	T1,T2,T3
EndPointClear	63	Covered	T1,T2,T3
Error	99	Covered	T4,T5,T30
Idle	68	Covered	T1,T2,T3

transitions	Line No.	Covered	Tests
AckPls->Disabled	107	Not Covered
AckPls->Error	99	Not Covered
AckPls->Idle	85	Covered	T39,T7,T49
DataWait->AckPls	80	Covered	T39,T7,T49
DataWait->Disabled	107	Covered	T48,T80,T131
DataWait->Error	99	Covered	T213,T144,T157
Disabled->EndPointClear	63	Covered	T1,T2,T3
Disabled->Error	99	Covered	T14,T15,T16
EndPointClear->Disabled	107	Covered	T6,T17,T107
EndPointClear->Error	99	Covered	T14,T15,T16
EndPointClear->Idle	68	Covered	T1,T2,T3
Idle->DataWait	75	Covered	T39,T7,T49
Idle->Disabled	107	Covered	T22,T5,T23
Idle->Error	99	Covered	T4,T5,T30

---

Branch Coverage for Instance : tb.dut.u_edn_core.gen_ep_blk[3].u_edn_ack_sm_ep

	Line No.	Total	Covered	Percent
Branches		16	16	100.00
IF	52	2	2	100.00
CASE	60	11	11	100.00
IF	98	3	3	100.00

52           `PRIM_FLOP_SPARSE_FSM(u_state_regs, state_d, state_q, state_e, Disabled)
             -1-                                                                        
             ==>                                                                        
             ==>                                                                        

Branches:

-1-	Status	Tests
1	Covered	T1,T2,T3
0	Covered	T1,T2,T3

60             unique case (state_q)
                      -1-  
61               Disabled: begin
62                 if (enable_i) begin
                   -2-  
63                   state_d = EndPointClear;
                     ==>
64                   fifo_clr_o = 1'b1;
65                 end
                   MISSING_ELSE
                   ==>
66               end
67               EndPointClear: begin
68                 state_d = Idle;
                   ==>
69               end
70               Idle: begin
71                 if (req_i) begin
                   -3-  
72                   if (fifo_not_empty_i) begin
                     -4-     
73                     fifo_pop_o = 1'b1;
                       ==>
74                   end
                     MISSING_ELSE
                     ==>
75                   state_d = DataWait;
76                 end
                   MISSING_ELSE
                   ==>
77               end
78               DataWait: begin
79                 if (fifo_not_empty_i) begin
                   -5-     
80                   state_d = AckPls;
                     ==>
81                 end
                   MISSING_ELSE
                   ==>
82               end
83               AckPls: begin
84                 ack_o = 1'b1;
                   ==>
85                 state_d = Idle;
86               end
87               Error: begin
88                 ack_sm_err_o = 1'b1;
                   ==>
89               end
90               default: begin
91                 ack_sm_err_o = 1'b1;
                   ==>

Branches:

-1-	-2-	-3-	-4-	-5-	Status	Tests
Disabled	1	-	-	-	Covered	T1,T2,T3
Disabled	0	-	-	-	Covered	T1,T2,T3
EndPointClear	-	-	-	-	Covered	T1,T2,T3
Idle	-	1	1	-	Covered	T39,T7,T49
Idle	-	1	0	-	Covered	T39,T7,T49
Idle	-	0	-	-	Covered	T1,T2,T3
DataWait	-	-	-	1	Covered	T39,T7,T49
DataWait	-	-	-	0	Covered	T39,T7,T49
AckPls	-	-	-	-	Covered	T39,T7,T49
Error	-	-	-	-	Covered	T4,T5,T30
default	-	-	-	-	Covered	T14,T15,T16

98             if (local_escalate_i) begin
               -1-  
99               state_d = Error;
                 ==>
100              // Tie off outputs, except for ack_sm_err_o.
101              ack_o      = 1'b0;
102              fifo_clr_o = 1'b0;
103              fifo_pop_o = 1'b0;
104            end else if (!enable_i && state_q inside {EndPointClear, Idle, DataWait, AckPls}) begin
                        -2-  
105              // Only disable if state is legal and not Disabled or Error.
106              // Even when disabled, illegal states must result in a transition to Error.
107              state_d = Disabled;
                 ==>
108              // Tie off all outputs, except for ack_sm_err_o.
109              ack_o        = 1'b0;
110              fifo_pop_o   = 1'b0;
111              fifo_clr_o   = 1'b0;
112            end
               MISSING_ELSE
               ==>

Branches:

-1-	-2-	Status	Tests
1	-	Covered	T4,T5,T30
0	1	Covered	T22,T5,T23
0	0	Covered	T1,T2,T3

---

Assert Coverage for Instance : tb.dut.u_edn_core.gen_ep_blk[3].u_edn_ack_sm_ep

	Total	Attempted	Percent	Succeeded/Matched	Percent
Assertions	3	3	100.00	3	100.00
Cover properties	0	0		0
Cover sequences	0	0		0
Total	3	3	100.00	3	100.00

---

Assertion Details

Name	Attempts	Real Successes	Failures	Incomplete
AckSmErrorStStable_A	11370796	150102	0	0
FpvSecCmErrorStEscalate_A	11370796	151146	0	0
u_state_regs_A	11370796	11194731	0	0

AckSmErrorStStable_A

Name	Attempts	Real Successes	Failures	Incomplete
Total	11370796	150102	0	0
T4	624	258	0	0
T5	941	392	0	0
T6	23340	0	0	0
T7	0	602	0	0
T9	2556	0	0	0
T14	0	7464	0	0
T15	0	10240	0	0
T16	0	7941	0	0
T22	1032	0	0	0
T23	2164	0	0	0
T24	879	0	0	0
T25	1927	0	0	0
T26	1926	0	0	0
T30	0	397	0	0
T39	3478	0	0	0
T59	0	1098	0	0
T65	0	258	0	0
T69	0	636	0	0

FpvSecCmErrorStEscalate_A

Name	Attempts	Real Successes	Failures	Incomplete
Total	11370796	151146	0	0
T4	624	259	0	0
T5	941	393	0	0
T6	23340	0	0	0
T7	0	603	0	0
T9	2556	0	0	0
T14	0	7594	0	0
T15	0	10370	0	0
T16	0	8071	0	0
T22	1032	0	0	0
T23	2164	0	0	0
T24	879	0	0	0
T25	1927	0	0	0
T26	1926	0	0	0
T30	0	398	0	0
T39	3478	0	0	0
T59	0	1099	0	0
T65	0	259	0	0
T69	0	637	0	0

u_state_regs_A

Name	Attempts	Real Successes	Failures	Incomplete
Total	11370796	11194731	0	0
T1	939	889	0	0
T2	1178	1122	0	0
T3	4104	4031	0	0
T4	624	450	0	0
T5	941	782	0	0
T9	2556	2475	0	0
T22	1032	957	0	0
T23	2164	2095	0	0
T24	879	800	0	0
T25	1927	1851	0	0

Line Coverage for Instance : tb.dut.u_edn_core.gen_ep_blk[4].u_edn_ack_sm_ep

	Line No.	Total	Covered	Percent
TOTAL		32	32	100.00
ALWAYS	52	3	3	100.00
ALWAYS	55	29	29	100.00

51                      
52         3/3            `PRIM_FLOP_SPARSE_FSM(u_state_regs, state_d, state_q, state_e, Disabled)
           Tests:       T1 T2 T3  | T1 T2 T3  | T1 T2 T3 
PRIM_FLOP_SPARSE_FSM(u_state_regs, state_d, state_q, state_e, Disabled):
52.1                    `ifdef SIMULATION                                   
52.2                        prim_sparse_fsm_flop #(                           
52.3                          .StateEnumT(state_e),                            
52.4                          .Width($bits(state_e)),                          
52.5                          .ResetValue($bits(state_e)'(Disabled)),          
52.6                          .EnableAlertTriggerSVA(1), 
52.7                          .CustomForceName("state_q")          
52.8                        ) u_state_regs (                                        
52.9                          .clk_i   ( clk_i   ),                           
52.10                         .rst_ni  ( rst_ni ),                           
52.11                         .state_i ( state_d     ),                           
52.12                         .state_o (         )                            
52.13                       );                                                
52.14                       always_ff @(posedge clk_i or negedge rst_ni) begin 
52.15      1/1              if (!rst_ni) begin                               
           Tests:       T1 T2 T3 
52.16      1/1                state_q <= Disabled;                                
           Tests:       T1 T2 T3 
52.17                       end else begin                                    
52.18      1/1                state_q <= state_d;                                     
           Tests:       T1 T2 T3 
52.19                       end                                               
52.20                     end  
52.21                       u_state_regs_A: assert property (@(posedge clk_i) disable iff ((!rst_ni) !== '0) (state_q === u_state_regs.state_o))       
52.22                       else begin                                                                           
52.23                         `ifdef UVM                                                                               
52.24                     uvm_pkg::uvm_report_error("ASSERT FAILED", "u_state_regs_A", uvm_pkg::UVM_NONE, 
52.25                                               "../src/lowrisc_ip_edn_0.1/rtl/edn_ack_sm.sv", 52, "", 1);                                
52.26                   `else                                                                                    
52.27                     $error("%0t: (%0s:%0d) [%m] [ASSERT FAILED] %0s", $time, `__FILE__, `__LINE__,         
52.28                            `PRIM_STRINGIFY(u_state_regs_A));                                                       
52.29                   `endif                                                              
52.30                       end 
52.31                     `else                                               
52.32                       prim_sparse_fsm_flop #(                           
52.33                         .StateEnumT(state_e),                            
52.34                         .Width($bits(state_e)),                          
52.35                         .ResetValue($bits(state_e)'(Disabled)),          
52.36                         .EnableAlertTriggerSVA(1)  
52.37                       ) u_state_regs (                                        
52.38                         .clk_i   ( `PRIM_FLOP_CLK   ),                           
52.39                         .rst_ni  ( `PRIM_FLOP_RST ),                           
52.40                         .state_i ( state_d     ),                           
52.41                         .state_o ( state_q     )                            
52.42                       );                                                
52.43                     `endif53                      
54                        always_comb begin
55         1/1              state_d      = state_q;
           Tests:       T1 T2 T3 
56         1/1              ack_o        = 1'b0;
           Tests:       T1 T2 T3 
57         1/1              fifo_clr_o   = 1'b0;
           Tests:       T1 T2 T3 
58         1/1              fifo_pop_o   = 1'b0;
           Tests:       T1 T2 T3 
59         1/1              ack_sm_err_o = 1'b0;
           Tests:       T1 T2 T3 
60         1/1              unique case (state_q)
           Tests:       T1 T2 T3 
61                            Disabled: begin
62         1/1                  if (enable_i) begin
           Tests:       T1 T2 T3 
63         1/1                    state_d = EndPointClear;
           Tests:       T1 T2 T3 
64         1/1                    fifo_clr_o = 1'b1;
           Tests:       T1 T2 T3 
65                              end
                        MISSING_ELSE
66                            end
67                            EndPointClear: begin
68         1/1                  state_d = Idle;
           Tests:       T1 T2 T3 
69                            end
70                            Idle: begin
71         1/1                  if (req_i) begin
           Tests:       T1 T2 T3 
72         1/1                    if (fifo_not_empty_i) begin
           Tests:       T30 T40 T51 
73         1/1                      fifo_pop_o = 1'b1;
           Tests:       T30 T40 T51 
74                                end
                        MISSING_ELSE
75         1/1                    state_d = DataWait;
           Tests:       T30 T40 T51 
76                              end
                        MISSING_ELSE
77                            end
78                            DataWait: begin
79         1/1                  if (fifo_not_empty_i) begin
           Tests:       T30 T40 T51 
80         1/1                    state_d = AckPls;
           Tests:       T30 T40 T51 
81                              end
                        MISSING_ELSE
82                            end
83                            AckPls: begin
84         1/1                  ack_o = 1'b1;
           Tests:       T30 T40 T51 
85         1/1                  state_d = Idle;
           Tests:       T30 T40 T51 
86                            end
87                            Error: begin
88         1/1                  ack_sm_err_o = 1'b1;
           Tests:       T4 T5 T30 
89                            end
90                            default: begin
91                              ack_sm_err_o = 1'b1;
92                              state_d = Error;
93                            end
94                          endcase // unique case (state_q)
95                      
96                          // If local escalation is seen, transition directly to
97                          // error state.
98         1/1              if (local_escalate_i) begin
           Tests:       T1 T2 T3 
99         1/1                state_d = Error;
           Tests:       T4 T5 T30 
100                           // Tie off outputs, except for ack_sm_err_o.
101        1/1                ack_o      = 1'b0;
           Tests:       T4 T5 T30 
102        1/1                fifo_clr_o = 1'b0;
           Tests:       T4 T5 T30 
103        1/1                fifo_pop_o = 1'b0;
           Tests:       T4 T5 T30 
104        1/1              end else if (!enable_i && state_q inside {EndPointClear, Idle, DataWait, AckPls}) begin
           Tests:       T1 T2 T3 
105                           // Only disable if state is legal and not Disabled or Error.
106                           // Even when disabled, illegal states must result in a transition to Error.
107        1/1                state_d = Disabled;
           Tests:       T22 T5 T23 
108                           // Tie off all outputs, except for ack_sm_err_o.
109        1/1                ack_o        = 1'b0;
           Tests:       T22 T5 T23 
110        1/1                fifo_pop_o   = 1'b0;
           Tests:       T22 T5 T23 
111        1/1                fifo_clr_o   = 1'b0;
           Tests:       T22 T5 T23 
112                         end
                        MISSING_ELSE

---

Cond Coverage for Instance : tb.dut.u_edn_core.gen_ep_blk[4].u_edn_ack_sm_ep

	Total	Covered	Percent
Conditions	3	3	100.00
Logical	3	3	100.00
Non-Logical	0	0
Event	0	0

 LINE       104
 EXPRESSION (((!enable_i)) && (state_q inside {EndPointClear, Idle, DataWait, AckPls}))
             ------1------    ----------------------------2---------------------------

-1-	-2-	Status	Tests
0	1	Covered	T1,T2,T3
1	0	Covered	T1,T2,T3
1	1	Covered	T22,T5,T23

---

FSM Coverage for Instance : tb.dut.u_edn_core.gen_ep_blk[4].u_edn_ack_sm_ep

Summary for FSM :: state_q

	Total	Covered	Percent
States	6	6	100.00	(Not included in score)
Transitions	14	12	85.71
Sequences	0	0

State, Transition and Sequence Details for FSM :: state_q

---

states	Line No.	Covered	Tests
AckPls	80	Covered	T30,T40,T51
DataWait	75	Covered	T30,T40,T51
Disabled	107	Covered	T1,T2,T3
EndPointClear	63	Covered	T1,T2,T3
Error	99	Covered	T4,T5,T30
Idle	68	Covered	T1,T2,T3

transitions	Line No.	Covered	Tests
AckPls->Disabled	107	Not Covered
AckPls->Error	99	Not Covered
AckPls->Idle	85	Covered	T30,T40,T51
DataWait->AckPls	80	Covered	T30,T40,T51
DataWait->Disabled	107	Covered	T51,T214,T215
DataWait->Error	99	Covered	T61,T216,T127
Disabled->EndPointClear	63	Covered	T1,T2,T3
Disabled->Error	99	Covered	T14,T15,T16
EndPointClear->Disabled	107	Covered	T6,T17,T107
EndPointClear->Error	99	Covered	T14,T15,T16
EndPointClear->Idle	68	Covered	T1,T2,T3
Idle->DataWait	75	Covered	T30,T40,T51
Idle->Disabled	107	Covered	T22,T5,T23
Idle->Error	99	Covered	T4,T5,T30

---

Branch Coverage for Instance : tb.dut.u_edn_core.gen_ep_blk[4].u_edn_ack_sm_ep

	Line No.	Total	Covered	Percent
Branches		16	16	100.00
IF	52	2	2	100.00
CASE	60	11	11	100.00
IF	98	3	3	100.00

52           `PRIM_FLOP_SPARSE_FSM(u_state_regs, state_d, state_q, state_e, Disabled)
             -1-                                                                        
             ==>                                                                        
             ==>                                                                        

Branches:

-1-	Status	Tests
1	Covered	T1,T2,T3
0	Covered	T1,T2,T3

60             unique case (state_q)
                      -1-  
61               Disabled: begin
62                 if (enable_i) begin
                   -2-  
63                   state_d = EndPointClear;
                     ==>
64                   fifo_clr_o = 1'b1;
65                 end
                   MISSING_ELSE
                   ==>
66               end
67               EndPointClear: begin
68                 state_d = Idle;
                   ==>
69               end
70               Idle: begin
71                 if (req_i) begin
                   -3-  
72                   if (fifo_not_empty_i) begin
                     -4-     
73                     fifo_pop_o = 1'b1;
                       ==>
74                   end
                     MISSING_ELSE
                     ==>
75                   state_d = DataWait;
76                 end
                   MISSING_ELSE
                   ==>
77               end
78               DataWait: begin
79                 if (fifo_not_empty_i) begin
                   -5-     
80                   state_d = AckPls;
                     ==>
81                 end
                   MISSING_ELSE
                   ==>
82               end
83               AckPls: begin
84                 ack_o = 1'b1;
                   ==>
85                 state_d = Idle;
86               end
87               Error: begin
88                 ack_sm_err_o = 1'b1;
                   ==>
89               end
90               default: begin
91                 ack_sm_err_o = 1'b1;
                   ==>

Branches:

-1-	-2-	-3-	-4-	-5-	Status	Tests
Disabled	1	-	-	-	Covered	T1,T2,T3
Disabled	0	-	-	-	Covered	T1,T2,T3
EndPointClear	-	-	-	-	Covered	T1,T2,T3
Idle	-	1	1	-	Covered	T30,T40,T51
Idle	-	1	0	-	Covered	T30,T40,T51
Idle	-	0	-	-	Covered	T1,T2,T3
DataWait	-	-	-	1	Covered	T30,T40,T51
DataWait	-	-	-	0	Covered	T40,T51,T46
AckPls	-	-	-	-	Covered	T30,T40,T51
Error	-	-	-	-	Covered	T4,T5,T30
default	-	-	-	-	Covered	T14,T15,T16

98             if (local_escalate_i) begin
               -1-  
99               state_d = Error;
                 ==>
100              // Tie off outputs, except for ack_sm_err_o.
101              ack_o      = 1'b0;
102              fifo_clr_o = 1'b0;
103              fifo_pop_o = 1'b0;
104            end else if (!enable_i && state_q inside {EndPointClear, Idle, DataWait, AckPls}) begin
                        -2-  
105              // Only disable if state is legal and not Disabled or Error.
106              // Even when disabled, illegal states must result in a transition to Error.
107              state_d = Disabled;
                 ==>
108              // Tie off all outputs, except for ack_sm_err_o.
109              ack_o        = 1'b0;
110              fifo_pop_o   = 1'b0;
111              fifo_clr_o   = 1'b0;
112            end
               MISSING_ELSE
               ==>

Branches:

-1-	-2-	Status	Tests
1	-	Covered	T4,T5,T30
0	1	Covered	T22,T5,T23
0	0	Covered	T1,T2,T3

---

Assert Coverage for Instance : tb.dut.u_edn_core.gen_ep_blk[4].u_edn_ack_sm_ep

	Total	Attempted	Percent	Succeeded/Matched	Percent
Assertions	3	3	100.00	3	100.00
Cover properties	0	0		0
Cover sequences	0	0		0
Total	3	3	100.00	3	100.00

---

Assertion Details

Name	Attempts	Real Successes	Failures	Incomplete
AckSmErrorStStable_A	11370796	150102	0	0
FpvSecCmErrorStEscalate_A	11370796	151146	0	0
u_state_regs_A	11370796	11194731	0	0

AckSmErrorStStable_A

Name	Attempts	Real Successes	Failures	Incomplete
Total	11370796	150102	0	0
T4	624	258	0	0
T5	941	392	0	0
T6	23340	0	0	0
T7	0	602	0	0
T9	2556	0	0	0
T14	0	7464	0	0
T15	0	10240	0	0
T16	0	7941	0	0
T22	1032	0	0	0
T23	2164	0	0	0
T24	879	0	0	0
T25	1927	0	0	0
T26	1926	0	0	0
T30	0	397	0	0
T39	3478	0	0	0
T59	0	1098	0	0
T65	0	258	0	0
T69	0	636	0	0

FpvSecCmErrorStEscalate_A

Name	Attempts	Real Successes	Failures	Incomplete
Total	11370796	151146	0	0
T4	624	259	0	0
T5	941	393	0	0
T6	23340	0	0	0
T7	0	603	0	0
T9	2556	0	0	0
T14	0	7594	0	0
T15	0	10370	0	0
T16	0	8071	0	0
T22	1032	0	0	0
T23	2164	0	0	0
T24	879	0	0	0
T25	1927	0	0	0
T26	1926	0	0	0
T30	0	398	0	0
T39	3478	0	0	0
T59	0	1099	0	0
T65	0	259	0	0
T69	0	637	0	0

u_state_regs_A

Name	Attempts	Real Successes	Failures	Incomplete
Total	11370796	11194731	0	0
T1	939	889	0	0
T2	1178	1122	0	0
T3	4104	4031	0	0
T4	624	450	0	0
T5	941	782	0	0
T9	2556	2475	0	0
T22	1032	957	0	0
T23	2164	2095	0	0
T24	879	800	0	0
T25	1927	1851	0	0

Line Coverage for Instance : tb.dut.u_edn_core.gen_ep_blk[6].u_edn_ack_sm_ep

	Line No.	Total	Covered	Percent
TOTAL		32	32	100.00
ALWAYS	52	3	3	100.00
ALWAYS	55	29	29	100.00

51                      
52         3/3            `PRIM_FLOP_SPARSE_FSM(u_state_regs, state_d, state_q, state_e, Disabled)
           Tests:       T1 T2 T3  | T1 T2 T3  | T1 T2 T3 
PRIM_FLOP_SPARSE_FSM(u_state_regs, state_d, state_q, state_e, Disabled):
52.1                    `ifdef SIMULATION                                   
52.2                        prim_sparse_fsm_flop #(                           
52.3                          .StateEnumT(state_e),                            
52.4                          .Width($bits(state_e)),                          
52.5                          .ResetValue($bits(state_e)'(Disabled)),          
52.6                          .EnableAlertTriggerSVA(1), 
52.7                          .CustomForceName("state_q")          
52.8                        ) u_state_regs (                                        
52.9                          .clk_i   ( clk_i   ),                           
52.10                         .rst_ni  ( rst_ni ),                           
52.11                         .state_i ( state_d     ),                           
52.12                         .state_o (         )                            
52.13                       );                                                
52.14                       always_ff @(posedge clk_i or negedge rst_ni) begin 
52.15      1/1              if (!rst_ni) begin                               
           Tests:       T1 T2 T3 
52.16      1/1                state_q <= Disabled;                                
           Tests:       T1 T2 T3 
52.17                       end else begin                                    
52.18      1/1                state_q <= state_d;                                     
           Tests:       T1 T2 T3 
52.19                       end                                               
52.20                     end  
52.21                       u_state_regs_A: assert property (@(posedge clk_i) disable iff ((!rst_ni) !== '0) (state_q === u_state_regs.state_o))       
52.22                       else begin                                                                           
52.23                         `ifdef UVM                                                                               
52.24                     uvm_pkg::uvm_report_error("ASSERT FAILED", "u_state_regs_A", uvm_pkg::UVM_NONE, 
52.25                                               "../src/lowrisc_ip_edn_0.1/rtl/edn_ack_sm.sv", 52, "", 1);                                
52.26                   `else                                                                                    
52.27                     $error("%0t: (%0s:%0d) [%m] [ASSERT FAILED] %0s", $time, `__FILE__, `__LINE__,         
52.28                            `PRIM_STRINGIFY(u_state_regs_A));                                                       
52.29                   `endif                                                              
52.30                       end 
52.31                     `else                                               
52.32                       prim_sparse_fsm_flop #(                           
52.33                         .StateEnumT(state_e),                            
52.34                         .Width($bits(state_e)),                          
52.35                         .ResetValue($bits(state_e)'(Disabled)),          
52.36                         .EnableAlertTriggerSVA(1)  
52.37                       ) u_state_regs (                                        
52.38                         .clk_i   ( `PRIM_FLOP_CLK   ),                           
52.39                         .rst_ni  ( `PRIM_FLOP_RST ),                           
52.40                         .state_i ( state_d     ),                           
52.41                         .state_o ( state_q     )                            
52.42                       );                                                
52.43                     `endif53                      
54                        always_comb begin
55         1/1              state_d      = state_q;
           Tests:       T1 T2 T3 
56         1/1              ack_o        = 1'b0;
           Tests:       T1 T2 T3 
57         1/1              fifo_clr_o   = 1'b0;
           Tests:       T1 T2 T3 
58         1/1              fifo_pop_o   = 1'b0;
           Tests:       T1 T2 T3 
59         1/1              ack_sm_err_o = 1'b0;
           Tests:       T1 T2 T3 
60         1/1              unique case (state_q)
           Tests:       T1 T2 T3 
61                            Disabled: begin
62         1/1                  if (enable_i) begin
           Tests:       T1 T2 T3 
63         1/1                    state_d = EndPointClear;
           Tests:       T1 T2 T3 
64         1/1                    fifo_clr_o = 1'b1;
           Tests:       T1 T2 T3 
65                              end
                        MISSING_ELSE
66                            end
67                            EndPointClear: begin
68         1/1                  state_d = Idle;
           Tests:       T1 T2 T3 
69                            end
70                            Idle: begin
71         1/1                  if (req_i) begin
           Tests:       T1 T2 T3 
72         1/1                    if (fifo_not_empty_i) begin
           Tests:       T39 T10 T40 
73         1/1                      fifo_pop_o = 1'b1;
           Tests:       T39 T10 T40 
74                                end
                        MISSING_ELSE
75         1/1                    state_d = DataWait;
           Tests:       T39 T10 T40 
76                              end
                        MISSING_ELSE
77                            end
78                            DataWait: begin
79         1/1                  if (fifo_not_empty_i) begin
           Tests:       T39 T10 T40 
80         1/1                    state_d = AckPls;
           Tests:       T39 T10 T40 
81                              end
                        MISSING_ELSE
82                            end
83                            AckPls: begin
84         1/1                  ack_o = 1'b1;
           Tests:       T39 T10 T40 
85         1/1                  state_d = Idle;
           Tests:       T39 T10 T40 
86                            end
87                            Error: begin
88         1/1                  ack_sm_err_o = 1'b1;
           Tests:       T4 T5 T30 
89                            end
90                            default: begin
91                              ack_sm_err_o = 1'b1;
92                              state_d = Error;
93                            end
94                          endcase // unique case (state_q)
95                      
96                          // If local escalation is seen, transition directly to
97                          // error state.
98         1/1              if (local_escalate_i) begin
           Tests:       T1 T2 T3 
99         1/1                state_d = Error;
           Tests:       T4 T5 T30 
100                           // Tie off outputs, except for ack_sm_err_o.
101        1/1                ack_o      = 1'b0;
           Tests:       T4 T5 T30 
102        1/1                fifo_clr_o = 1'b0;
           Tests:       T4 T5 T30 
103        1/1                fifo_pop_o = 1'b0;
           Tests:       T4 T5 T30 
104        1/1              end else if (!enable_i && state_q inside {EndPointClear, Idle, DataWait, AckPls}) begin
           Tests:       T1 T2 T3 
105                           // Only disable if state is legal and not Disabled or Error.
106                           // Even when disabled, illegal states must result in a transition to Error.
107        1/1                state_d = Disabled;
           Tests:       T22 T5 T23 
108                           // Tie off all outputs, except for ack_sm_err_o.
109        1/1                ack_o        = 1'b0;
           Tests:       T22 T5 T23 
110        1/1                fifo_pop_o   = 1'b0;
           Tests:       T22 T5 T23 
111        1/1                fifo_clr_o   = 1'b0;
           Tests:       T22 T5 T23 
112                         end
                        MISSING_ELSE

---

Cond Coverage for Instance : tb.dut.u_edn_core.gen_ep_blk[6].u_edn_ack_sm_ep

	Total	Covered	Percent
Conditions	3	3	100.00
Logical	3	3	100.00
Non-Logical	0	0
Event	0	0

 LINE       104
 EXPRESSION (((!enable_i)) && (state_q inside {EndPointClear, Idle, DataWait, AckPls}))
             ------1------    ----------------------------2---------------------------

-1-	-2-	Status	Tests
0	1	Covered	T1,T2,T3
1	0	Covered	T1,T2,T3
1	1	Covered	T22,T5,T23

---

FSM Coverage for Instance : tb.dut.u_edn_core.gen_ep_blk[6].u_edn_ack_sm_ep

Summary for FSM :: state_q

	Total	Covered	Percent
States	6	6	100.00	(Not included in score)
Transitions	14	12	85.71
Sequences	0	0

State, Transition and Sequence Details for FSM :: state_q

---

states	Line No.	Covered	Tests
AckPls	80	Covered	T39,T10,T40
DataWait	75	Covered	T39,T10,T40
Disabled	107	Covered	T1,T2,T3
EndPointClear	63	Covered	T1,T2,T3
Error	99	Covered	T4,T5,T30
Idle	68	Covered	T1,T2,T3

transitions	Line No.	Covered	Tests
AckPls->Disabled	107	Not Covered
AckPls->Error	99	Not Covered
AckPls->Idle	85	Covered	T39,T10,T40
DataWait->AckPls	80	Covered	T39,T10,T40
DataWait->Disabled	107	Covered	T94,T217,T218
DataWait->Error	99	Covered	T174,T219
Disabled->EndPointClear	63	Covered	T1,T2,T3
Disabled->Error	99	Covered	T14,T15,T16
EndPointClear->Disabled	107	Covered	T6,T17,T107
EndPointClear->Error	99	Covered	T14,T15,T16
EndPointClear->Idle	68	Covered	T1,T2,T3
Idle->DataWait	75	Covered	T39,T10,T40
Idle->Disabled	107	Covered	T22,T5,T23
Idle->Error	99	Covered	T4,T5,T30

---

Branch Coverage for Instance : tb.dut.u_edn_core.gen_ep_blk[6].u_edn_ack_sm_ep

	Line No.	Total	Covered	Percent
Branches		16	16	100.00
IF	52	2	2	100.00
CASE	60	11	11	100.00
IF	98	3	3	100.00

52           `PRIM_FLOP_SPARSE_FSM(u_state_regs, state_d, state_q, state_e, Disabled)
             -1-                                                                        
             ==>                                                                        
             ==>                                                                        

Branches:

-1-	Status	Tests
1	Covered	T1,T2,T3
0	Covered	T1,T2,T3

60             unique case (state_q)
                      -1-  
61               Disabled: begin
62                 if (enable_i) begin
                   -2-  
63                   state_d = EndPointClear;
                     ==>
64                   fifo_clr_o = 1'b1;
65                 end
                   MISSING_ELSE
                   ==>
66               end
67               EndPointClear: begin
68                 state_d = Idle;
                   ==>
69               end
70               Idle: begin
71                 if (req_i) begin
                   -3-  
72                   if (fifo_not_empty_i) begin
                     -4-     
73                     fifo_pop_o = 1'b1;
                       ==>
74                   end
                     MISSING_ELSE
                     ==>
75                   state_d = DataWait;
76                 end
                   MISSING_ELSE
                   ==>
77               end
78               DataWait: begin
79                 if (fifo_not_empty_i) begin
                   -5-     
80                   state_d = AckPls;
                     ==>
81                 end
                   MISSING_ELSE
                   ==>
82               end
83               AckPls: begin
84                 ack_o = 1'b1;
                   ==>
85                 state_d = Idle;
86               end
87               Error: begin
88                 ack_sm_err_o = 1'b1;
                   ==>
89               end
90               default: begin
91                 ack_sm_err_o = 1'b1;
                   ==>

Branches:

-1-	-2-	-3-	-4-	-5-	Status	Tests
Disabled	1	-	-	-	Covered	T1,T2,T3
Disabled	0	-	-	-	Covered	T1,T2,T3
EndPointClear	-	-	-	-	Covered	T1,T2,T3
Idle	-	1	1	-	Covered	T39,T10,T40
Idle	-	1	0	-	Covered	T39,T10,T40
Idle	-	0	-	-	Covered	T1,T2,T3
DataWait	-	-	-	1	Covered	T39,T10,T40
DataWait	-	-	-	0	Covered	T39,T10,T40
AckPls	-	-	-	-	Covered	T39,T10,T40
Error	-	-	-	-	Covered	T4,T5,T30
default	-	-	-	-	Covered	T14,T15,T16

98             if (local_escalate_i) begin
               -1-  
99               state_d = Error;
                 ==>
100              // Tie off outputs, except for ack_sm_err_o.
101              ack_o      = 1'b0;
102              fifo_clr_o = 1'b0;
103              fifo_pop_o = 1'b0;
104            end else if (!enable_i && state_q inside {EndPointClear, Idle, DataWait, AckPls}) begin
                        -2-  
105              // Only disable if state is legal and not Disabled or Error.
106              // Even when disabled, illegal states must result in a transition to Error.
107              state_d = Disabled;
                 ==>
108              // Tie off all outputs, except for ack_sm_err_o.
109              ack_o        = 1'b0;
110              fifo_pop_o   = 1'b0;
111              fifo_clr_o   = 1'b0;
112            end
               MISSING_ELSE
               ==>

Branches:

-1-	-2-	Status	Tests
1	-	Covered	T4,T5,T30
0	1	Covered	T22,T5,T23
0	0	Covered	T1,T2,T3

---

Assert Coverage for Instance : tb.dut.u_edn_core.gen_ep_blk[6].u_edn_ack_sm_ep

	Total	Attempted	Percent	Succeeded/Matched	Percent
Assertions	3	3	100.00	3	100.00
Cover properties	0	0		0
Cover sequences	0	0		0
Total	3	3	100.00	3	100.00

---

Assertion Details

Name	Attempts	Real Successes	Failures	Incomplete
AckSmErrorStStable_A	11370796	150102	0	0
FpvSecCmErrorStEscalate_A	11370796	151146	0	0
u_state_regs_A	11370796	11194731	0	0

AckSmErrorStStable_A

Name	Attempts	Real Successes	Failures	Incomplete
Total	11370796	150102	0	0
T4	624	258	0	0
T5	941	392	0	0
T6	23340	0	0	0
T7	0	602	0	0
T9	2556	0	0	0
T14	0	7464	0	0
T15	0	10240	0	0
T16	0	7941	0	0
T22	1032	0	0	0
T23	2164	0	0	0
T24	879	0	0	0
T25	1927	0	0	0
T26	1926	0	0	0
T30	0	397	0	0
T39	3478	0	0	0
T59	0	1098	0	0
T65	0	258	0	0
T69	0	636	0	0

FpvSecCmErrorStEscalate_A

Name	Attempts	Real Successes	Failures	Incomplete
Total	11370796	151146	0	0
T4	624	259	0	0
T5	941	393	0	0
T6	23340	0	0	0
T7	0	603	0	0
T9	2556	0	0	0
T14	0	7594	0	0
T15	0	10370	0	0
T16	0	8071	0	0
T22	1032	0	0	0
T23	2164	0	0	0
T24	879	0	0	0
T25	1927	0	0	0
T26	1926	0	0	0
T30	0	398	0	0
T39	3478	0	0	0
T59	0	1099	0	0
T65	0	259	0	0
T69	0	637	0	0

u_state_regs_A

Name	Attempts	Real Successes	Failures	Incomplete
Total	11370796	11194731	0	0
T1	939	889	0	0
T2	1178	1122	0	0
T3	4104	4031	0	0
T4	624	450	0	0
T5	941	782	0	0
T9	2556	2475	0	0
T22	1032	957	0	0
T23	2164	2095	0	0
T24	879	800	0	0
T25	1927	1851	0	0

Line Coverage for Instance : tb.dut.u_edn_core.gen_ep_blk[5].u_edn_ack_sm_ep

	Line No.	Total	Covered	Percent
TOTAL		32	32	100.00
ALWAYS	52	3	3	100.00
ALWAYS	55	29	29	100.00

51                      
52         3/3            `PRIM_FLOP_SPARSE_FSM(u_state_regs, state_d, state_q, state_e, Disabled)
           Tests:       T1 T2 T3  | T1 T2 T3  | T1 T2 T3 
PRIM_FLOP_SPARSE_FSM(u_state_regs, state_d, state_q, state_e, Disabled):
52.1                    `ifdef SIMULATION                                   
52.2                        prim_sparse_fsm_flop #(                           
52.3                          .StateEnumT(state_e),                            
52.4                          .Width($bits(state_e)),                          
52.5                          .ResetValue($bits(state_e)'(Disabled)),          
52.6                          .EnableAlertTriggerSVA(1), 
52.7                          .CustomForceName("state_q")          
52.8                        ) u_state_regs (                                        
52.9                          .clk_i   ( clk_i   ),                           
52.10                         .rst_ni  ( rst_ni ),                           
52.11                         .state_i ( state_d     ),                           
52.12                         .state_o (         )                            
52.13                       );                                                
52.14                       always_ff @(posedge clk_i or negedge rst_ni) begin 
52.15      1/1              if (!rst_ni) begin                               
           Tests:       T1 T2 T3 
52.16      1/1                state_q <= Disabled;                                
           Tests:       T1 T2 T3 
52.17                       end else begin                                    
52.18      1/1                state_q <= state_d;                                     
           Tests:       T1 T2 T3 
52.19                       end                                               
52.20                     end  
52.21                       u_state_regs_A: assert property (@(posedge clk_i) disable iff ((!rst_ni) !== '0) (state_q === u_state_regs.state_o))       
52.22                       else begin                                                                           
52.23                         `ifdef UVM                                                                               
52.24                     uvm_pkg::uvm_report_error("ASSERT FAILED", "u_state_regs_A", uvm_pkg::UVM_NONE, 
52.25                                               "../src/lowrisc_ip_edn_0.1/rtl/edn_ack_sm.sv", 52, "", 1);                                
52.26                   `else                                                                                    
52.27                     $error("%0t: (%0s:%0d) [%m] [ASSERT FAILED] %0s", $time, `__FILE__, `__LINE__,         
52.28                            `PRIM_STRINGIFY(u_state_regs_A));                                                       
52.29                   `endif                                                              
52.30                       end 
52.31                     `else                                               
52.32                       prim_sparse_fsm_flop #(                           
52.33                         .StateEnumT(state_e),                            
52.34                         .Width($bits(state_e)),                          
52.35                         .ResetValue($bits(state_e)'(Disabled)),          
52.36                         .EnableAlertTriggerSVA(1)  
52.37                       ) u_state_regs (                                        
52.38                         .clk_i   ( `PRIM_FLOP_CLK   ),                           
52.39                         .rst_ni  ( `PRIM_FLOP_RST ),                           
52.40                         .state_i ( state_d     ),                           
52.41                         .state_o ( state_q     )                            
52.42                       );                                                
52.43                     `endif53                      
54                        always_comb begin
55         1/1              state_d      = state_q;
           Tests:       T1 T2 T3 
56         1/1              ack_o        = 1'b0;
           Tests:       T1 T2 T3 
57         1/1              fifo_clr_o   = 1'b0;
           Tests:       T1 T2 T3 
58         1/1              fifo_pop_o   = 1'b0;
           Tests:       T1 T2 T3 
59         1/1              ack_sm_err_o = 1'b0;
           Tests:       T1 T2 T3 
60         1/1              unique case (state_q)
           Tests:       T1 T2 T3 
61                            Disabled: begin
62         1/1                  if (enable_i) begin
           Tests:       T1 T2 T3 
63         1/1                    state_d = EndPointClear;
           Tests:       T1 T2 T3 
64         1/1                    fifo_clr_o = 1'b1;
           Tests:       T1 T2 T3 
65                              end
                        MISSING_ELSE
66                            end
67                            EndPointClear: begin
68         1/1                  state_d = Idle;
           Tests:       T1 T2 T3 
69                            end
70                            Idle: begin
71         1/1                  if (req_i) begin
           Tests:       T1 T2 T3 
72         1/1                    if (fifo_not_empty_i) begin
           Tests:       T22 T40 T54 
73         1/1                      fifo_pop_o = 1'b1;
           Tests:       T22 T40 T54 
74                                end
                        MISSING_ELSE
75         1/1                    state_d = DataWait;
           Tests:       T22 T40 T54 
76                              end
                        MISSING_ELSE
77                            end
78                            DataWait: begin
79         1/1                  if (fifo_not_empty_i) begin
           Tests:       T22 T40 T54 
80         1/1                    state_d = AckPls;
           Tests:       T22 T40 T54 
81                              end
                        MISSING_ELSE
82                            end
83                            AckPls: begin
84         1/1                  ack_o = 1'b1;
           Tests:       T22 T40 T54 
85         1/1                  state_d = Idle;
           Tests:       T22 T40 T54 
86                            end
87                            Error: begin
88         1/1                  ack_sm_err_o = 1'b1;
           Tests:       T4 T5 T30 
89                            end
90                            default: begin
91                              ack_sm_err_o = 1'b1;
92                              state_d = Error;
93                            end
94                          endcase // unique case (state_q)
95                      
96                          // If local escalation is seen, transition directly to
97                          // error state.
98         1/1              if (local_escalate_i) begin
           Tests:       T1 T2 T3 
99         1/1                state_d = Error;
           Tests:       T4 T5 T30 
100                           // Tie off outputs, except for ack_sm_err_o.
101        1/1                ack_o      = 1'b0;
           Tests:       T4 T5 T30 
102        1/1                fifo_clr_o = 1'b0;
           Tests:       T4 T5 T30 
103        1/1                fifo_pop_o = 1'b0;
           Tests:       T4 T5 T30 
104        1/1              end else if (!enable_i && state_q inside {EndPointClear, Idle, DataWait, AckPls}) begin
           Tests:       T1 T2 T3 
105                           // Only disable if state is legal and not Disabled or Error.
106                           // Even when disabled, illegal states must result in a transition to Error.
107        1/1                state_d = Disabled;
           Tests:       T22 T5 T23 
108                           // Tie off all outputs, except for ack_sm_err_o.
109        1/1                ack_o        = 1'b0;
           Tests:       T22 T5 T23 
110        1/1                fifo_pop_o   = 1'b0;
           Tests:       T22 T5 T23 
111        1/1                fifo_clr_o   = 1'b0;
           Tests:       T22 T5 T23 
112                         end
                        MISSING_ELSE

---

Cond Coverage for Instance : tb.dut.u_edn_core.gen_ep_blk[5].u_edn_ack_sm_ep

	Total	Covered	Percent
Conditions	3	3	100.00
Logical	3	3	100.00
Non-Logical	0	0
Event	0	0

 LINE       104
 EXPRESSION (((!enable_i)) && (state_q inside {EndPointClear, Idle, DataWait, AckPls}))
             ------1------    ----------------------------2---------------------------

-1-	-2-	Status	Tests
0	1	Covered	T1,T2,T3
1	0	Covered	T1,T2,T3
1	1	Covered	T22,T5,T23

---

FSM Coverage for Instance : tb.dut.u_edn_core.gen_ep_blk[5].u_edn_ack_sm_ep

Summary for FSM :: state_q

	Total	Covered	Percent
States	6	6	100.00	(Not included in score)
Transitions	14	13	92.86
Sequences	0	0

State, Transition and Sequence Details for FSM :: state_q

---

states	Line No.	Covered	Tests
AckPls	80	Covered	T22,T40,T54
DataWait	75	Covered	T22,T40,T54
Disabled	107	Covered	T1,T2,T3
EndPointClear	63	Covered	T1,T2,T3
Error	99	Covered	T4,T5,T30
Idle	68	Covered	T1,T2,T3

transitions	Line No.	Covered	Tests
AckPls->Disabled	107	Covered	T195
AckPls->Error	99	Not Covered
AckPls->Idle	85	Covered	T22,T40,T54
DataWait->AckPls	80	Covered	T22,T40,T54
DataWait->Disabled	107	Covered	T22,T87,T20
DataWait->Error	99	Covered	T124,T220
Disabled->EndPointClear	63	Covered	T1,T2,T3
Disabled->Error	99	Covered	T14,T15,T16
EndPointClear->Disabled	107	Covered	T6,T17,T107
EndPointClear->Error	99	Covered	T14,T15,T16
EndPointClear->Idle	68	Covered	T1,T2,T3
Idle->DataWait	75	Covered	T22,T40,T54
Idle->Disabled	107	Covered	T5,T23,T9
Idle->Error	99	Covered	T4,T5,T30

---

Branch Coverage for Instance : tb.dut.u_edn_core.gen_ep_blk[5].u_edn_ack_sm_ep

	Line No.	Total	Covered	Percent
Branches		16	16	100.00
IF	52	2	2	100.00
CASE	60	11	11	100.00
IF	98	3	3	100.00

52           `PRIM_FLOP_SPARSE_FSM(u_state_regs, state_d, state_q, state_e, Disabled)
             -1-                                                                        
             ==>                                                                        
             ==>                                                                        

Branches:

-1-	Status	Tests
1	Covered	T1,T2,T3
0	Covered	T1,T2,T3

60             unique case (state_q)
                      -1-  
61               Disabled: begin
62                 if (enable_i) begin
                   -2-  
63                   state_d = EndPointClear;
                     ==>
64                   fifo_clr_o = 1'b1;
65                 end
                   MISSING_ELSE
                   ==>
66               end
67               EndPointClear: begin
68                 state_d = Idle;
                   ==>
69               end
70               Idle: begin
71                 if (req_i) begin
                   -3-  
72                   if (fifo_not_empty_i) begin
                     -4-     
73                     fifo_pop_o = 1'b1;
                       ==>
74                   end
                     MISSING_ELSE
                     ==>
75                   state_d = DataWait;
76                 end
                   MISSING_ELSE
                   ==>
77               end
78               DataWait: begin
79                 if (fifo_not_empty_i) begin
                   -5-     
80                   state_d = AckPls;
                     ==>
81                 end
                   MISSING_ELSE
                   ==>
82               end
83               AckPls: begin
84                 ack_o = 1'b1;
                   ==>
85                 state_d = Idle;
86               end
87               Error: begin
88                 ack_sm_err_o = 1'b1;
                   ==>
89               end
90               default: begin
91                 ack_sm_err_o = 1'b1;
                   ==>

Branches:

-1-	-2-	-3-	-4-	-5-	Status	Tests
Disabled	1	-	-	-	Covered	T1,T2,T3
Disabled	0	-	-	-	Covered	T1,T2,T3
EndPointClear	-	-	-	-	Covered	T1,T2,T3
Idle	-	1	1	-	Covered	T22,T40,T54
Idle	-	1	0	-	Covered	T22,T40,T54
Idle	-	0	-	-	Covered	T1,T2,T3
DataWait	-	-	-	1	Covered	T22,T40,T54
DataWait	-	-	-	0	Covered	T22,T40,T54
AckPls	-	-	-	-	Covered	T22,T40,T54
Error	-	-	-	-	Covered	T4,T5,T30
default	-	-	-	-	Covered	T14,T15,T16

98             if (local_escalate_i) begin
               -1-  
99               state_d = Error;
                 ==>
100              // Tie off outputs, except for ack_sm_err_o.
101              ack_o      = 1'b0;
102              fifo_clr_o = 1'b0;
103              fifo_pop_o = 1'b0;
104            end else if (!enable_i && state_q inside {EndPointClear, Idle, DataWait, AckPls}) begin
                        -2-  
105              // Only disable if state is legal and not Disabled or Error.
106              // Even when disabled, illegal states must result in a transition to Error.
107              state_d = Disabled;
                 ==>
108              // Tie off all outputs, except for ack_sm_err_o.
109              ack_o        = 1'b0;
110              fifo_pop_o   = 1'b0;
111              fifo_clr_o   = 1'b0;
112            end
               MISSING_ELSE
               ==>

Branches:

-1-	-2-	Status	Tests
1	-	Covered	T4,T5,T30
0	1	Covered	T22,T5,T23
0	0	Covered	T1,T2,T3

---

Assert Coverage for Instance : tb.dut.u_edn_core.gen_ep_blk[5].u_edn_ack_sm_ep

	Total	Attempted	Percent	Succeeded/Matched	Percent
Assertions	3	3	100.00	3	100.00
Cover properties	0	0		0
Cover sequences	0	0		0
Total	3	3	100.00	3	100.00

---

Assertion Details

Name	Attempts	Real Successes	Failures	Incomplete
AckSmErrorStStable_A	11370796	150102	0	0
FpvSecCmErrorStEscalate_A	11370796	151146	0	0
u_state_regs_A	11370796	11194731	0	0

AckSmErrorStStable_A

Name	Attempts	Real Successes	Failures	Incomplete
Total	11370796	150102	0	0
T4	624	258	0	0
T5	941	392	0	0
T6	23340	0	0	0
T7	0	602	0	0
T9	2556	0	0	0
T14	0	7464	0	0
T15	0	10240	0	0
T16	0	7941	0	0
T22	1032	0	0	0
T23	2164	0	0	0
T24	879	0	0	0
T25	1927	0	0	0
T26	1926	0	0	0
T30	0	397	0	0
T39	3478	0	0	0
T59	0	1098	0	0
T65	0	258	0	0
T69	0	636	0	0

FpvSecCmErrorStEscalate_A

Name	Attempts	Real Successes	Failures	Incomplete
Total	11370796	151146	0	0
T4	624	259	0	0
T5	941	393	0	0
T6	23340	0	0	0
T7	0	603	0	0
T9	2556	0	0	0
T14	0	7594	0	0
T15	0	10370	0	0
T16	0	8071	0	0
T22	1032	0	0	0
T23	2164	0	0	0
T24	879	0	0	0
T25	1927	0	0	0
T26	1926	0	0	0
T30	0	398	0	0
T39	3478	0	0	0
T59	0	1099	0	0
T65	0	259	0	0
T69	0	637	0	0

u_state_regs_A

Name	Attempts	Real Successes	Failures	Incomplete
Total	11370796	11194731	0	0
T1	939	889	0	0
T2	1178	1122	0	0
T3	4104	4031	0	0
T4	624	450	0	0
T5	941	782	0	0
T9	2556	2475	0	0
T22	1032	957	0	0
T23	2164	2095	0	0
T24	879	800	0	0
T25	1927	1851	0	0