Unified Coverage Report :: Module :: keccak_round

Module : keccak_round

SCORE	LINE	COND	TOGGLE	FSM	BRANCH	ASSERT
91.81	94.55	100.00		73.33	91.18	100.00

Source File(s) :
/workspace/default/sim-vcs/../src/lowrisc_ip_sha3_0.1/rtl/keccak_round.sv

Module self-instances :

NAME	SCORE	LINE	COND	TOGGLE	FSM	BRANCH	ASSERT
tb.dut.u_sha3.u_keccak	91.81	94.55	100.00		73.33	91.18	100.00

---

Module Instance : tb.dut.u_sha3.u_keccak

Instance :

SCORE	LINE	COND	TOGGLE	FSM	BRANCH	ASSERT
91.81	94.55	100.00		73.33	91.18	100.00

Instance's subtree :

SCORE	LINE	COND	TOGGLE	FSM	BRANCH	ASSERT
94.79	98.83	98.84	100.00	73.33	97.76	100.00

Parent :

SCORE	LINE	COND	TOGGLE	FSM	BRANCH	ASSERT	NAME
95.96	97.56	88.89		100.00	93.33	100.00	u_sha3

Subtrees :

NAME	SCORE	LINE	COND	TOGGLE	FSM	BRANCH	ASSERT
u_keccak_p	99.42	100.00	98.75			98.93	100.00
u_prim_sec_anchor_buf	100.00	100.00
u_round_count	100.00			100.00
u_state_regs	100.00	100.00				100.00	100.00

---

Since this is the module's only instance, the coverage report is the same as for the module.

Line Coverage for Module : keccak_round

	Line No.	Total	Covered	Percent
TOTAL		110	104	94.55
CONT_ASSIGN	177	0	0
ALWAYS	180	3	3	100.00
ALWAYS	186	70	65	92.86
CONT_ASSIGN	407	1	1	100.00
ALWAYS	411	7	7	100.00
ALWAYS	424	3	3	100.00
CONT_ASSIGN	450	1	1	100.00
ALWAYS	468	6	6	100.00
CONT_ASSIGN	477	1	1	100.00
ALWAYS	485	7	7	100.00
ALWAYS	507	4	3	75.00
CONT_ASSIGN	518	1	1	100.00
CONT_ASSIGN	548	1	1	100.00
CONT_ASSIGN	549	1	1	100.00
CONT_ASSIGN	551	1	1	100.00
ALWAYS	575	3	3	100.00

WARNING: The source file '/workspace/default/sim-vcs/../src/lowrisc_ip_sha3_0.1/rtl/keccak_round.sv' or '../src/lowrisc_ip_sha3_0.1/rtl/keccak_round.sv' was not found, so annotated line coverage report could not be generated.

Line No.	Covered	Statements
177		unreachable
180	3	3
186	1	1
188	1	1
189	1	1
190	1	1
192	1	1
193	1	1
195	1	1
196	1	1
198	1	1
199	1	1
200	1	1
201	1	1
202	1	1
204	1	1
206	1	1
208	1	1
210	1	1
212	1	1
214	1	1
215	1	1
216	1	1
221	1	1
223	1	1
224	1	1
226	1	1
229	1	1
230	1	1
231	1	1
233		unreachable
235	1	1
241	0	1
243	0	1
244		unreachable
246		unreachable
247		unreachable
249	0	1
251	0	1
260	1	1
261	1	1
272	1	1
273	1	1
274	1	1
275	1	1
278	1	1
281	1	1
282	1	1
284	1	1
292	1	1
293	1	1
301	1	1
304	1	1
307	1	1
308	1	1
317	1	1
318	1	1
327	1	1
333	1	1
336	1	1
339	1	1
342	1	1
343	1	1
352	1	1
353	1	1
361	1	1
363	1	1
365		unreachable
367		unreachable
368		unreachable
371	1	1
373	1	1
376	1	1
377	1	1
382	0	1
387	1	1
388	1	1
400	1	1
401	1	1
			MISSING_ELSE
407	1	1
411	1	1
412	1	1
413	1	1
414	1	1
416	1	1
417	1	1
418	1	1
424	1	1
425	1	1
427	1	1
450	1	1
468	1	1
469	1	1
470	1	1
471	1	1
472	1	1
473	1	1
			MISSING_ELSE
477	1	1
485	1	1
486	1	1
487	1	1
488	1	1
492	1	1
493	1	1
496	1	1
			MISSING_ELSE
507	1	1
509	1	1
511	1	1
513	0	1
			MISSING_ELSE
			MISSING_ELSE
518	1	1
548	1	1
549	1	1
551	1	1
575	1	1
576	1	1
578	1	1

---

Cond Coverage for Module : keccak_round

	Total	Covered	Percent
Conditions	12	12	100.00
Logical	12	12	100.00
Non-Logical	0	0
Event	0	0

 LINE       177
 EXPRESSION (int'(round) == (MaxRound - 1))
            ---------------1---------------

-1-	Status	Tests
0	Covered	T1,T2,T3
1	Unreachable	T1,T2,T4

 LINE       224
 EXPRESSION (EnMasking && run_i)
             ----1----    --2--

-1-	-2-	Status	Tests
-	0	Covered	T1,T2,T3
-	1	Covered	T1,T2,T4

 LINE       272
 EXPRESSION (rand_early_i || rand_valid_i)
             ------1-----    ------2-----

-1-	-2-	Status	Tests
0	0	Covered	T4,T6,T44
0	1	Covered	T1,T2,T4
1	0	Covered	T4,T6,T44

 LINE       450
 EXPRESSION ((keccak_st == KeccakStIdle) ? 1'b1 : 1'b0)
             -------------1-------------

-1-	Status	Tests
0	Covered	T1,T2,T4
1	Covered	T1,T2,T3

 LINE       450
 SUB-EXPRESSION (keccak_st == KeccakStIdle)
                -------------1-------------

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

 LINE       492
 EXPRESSION (addr_i == i[(DInAddr - 1):0])
            ---------------1--------------

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

---

FSM Coverage for Module : keccak_round

Summary for FSM :: keccak_st

	Total	Covered	Percent
States	8	6	75.00	(Not included in score)
Transitions	15	11	73.33
Sequences	0	0

State, Transition and Sequence Details for FSM :: keccak_st

---

states	Line No.	Covered	Tests
KeccakStActive	233	Not Covered
KeccakStError	382	Not Covered
KeccakStIdle	212	Covered	T1,T2,T3
KeccakStPhase1	226	Covered	T1,T2,T4
KeccakStPhase2Cycle1	273	Covered	T1,T2,T4
KeccakStPhase2Cycle2	304	Covered	T1,T2,T4
KeccakStPhase2Cycle3	339	Covered	T1,T2,T4
KeccakStTerminalError	401	Covered	T8,T13,T14

transitions	Line No.	Covered	Tests
KeccakStActive->KeccakStIdle	244	Not Covered
KeccakStActive->KeccakStTerminalError	401	Not Covered
KeccakStError->KeccakStTerminalError	401	Not Covered
KeccakStIdle->KeccakStActive	233	Not Covered
KeccakStIdle->KeccakStPhase1	226	Covered	T1,T2,T4
KeccakStIdle->KeccakStTerminalError	401	Covered	T8,T14,T28
KeccakStPhase1->KeccakStPhase2Cycle1	273	Covered	T1,T2,T4
KeccakStPhase1->KeccakStTerminalError	401	Covered	T45,T41,T46
KeccakStPhase2Cycle1->KeccakStPhase2Cycle2	304	Covered	T1,T2,T4
KeccakStPhase2Cycle1->KeccakStTerminalError	401	Covered	T30,T25,T47
KeccakStPhase2Cycle2->KeccakStPhase2Cycle3	339	Covered	T1,T2,T4
KeccakStPhase2Cycle2->KeccakStTerminalError	401	Covered	T24,T48,T49
KeccakStPhase2Cycle3->KeccakStIdle	365	Covered	T1,T2,T4
KeccakStPhase2Cycle3->KeccakStPhase1	371	Covered	T1,T2,T4
KeccakStPhase2Cycle3->KeccakStTerminalError	401	Covered	T13,T50,T51

---

Branch Coverage for Module : keccak_round

	Line No.	Total	Covered	Percent
Branches		34	31	91.18
TERNARY	450	2	2	100.00
IF	180	2	2	100.00
CASE	208	13	11	84.62
IF	400	2	2	100.00
IF	468	4	4	100.00
IF	486	2	2	100.00
IF	509	3	2	66.67
IF	575	2	2	100.00
IF	411	2	2	100.00
IF	424	2	2	100.00

WARNING: The source file /workspace/default/sim-vcs/../src/lowrisc_ip_sha3_0.1/rtl/keccak_round.sv' or '../src/lowrisc_ip_sha3_0.1/rtl/keccak_round.sv was not found/opened, so annotated branch coverage report could not be generated.

	LineNo.	Expression
-1-:	450	((keccak_st == KeccakStIdle)) ? 

Branches:

-1-	Status	Tests
1	Covered	T1,T2,T3
0	Covered	T1,T2,T4

	LineNo.	Expression
-1-:	180	if ((!rst_ni))

Branches:

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

	LineNo.	Expression
-1-:	208	case (keccak_st)
-2-:	210	if (valid_i)
-3-:	216	if (prim_mubi_pkg::mubi4_test_true_strict(clear_i))
-4-:	224	if ((EnMasking && run_i))
-5-:	231	if (((!EnMasking) && run_i))
-6-:	243	if (rnd_eq_end)
-7-:	272	if ((rand_early_i || rand_valid_i))
-8-:	363	if (rnd_eq_end)

Branches:

-1-	-2-	-3-	-4-	-5-	-6-	-7-	-8-	Status	Tests
KeccakStIdle	1	-	-	-	-	-	-	Covered	T1,T2,T4
KeccakStIdle	0	1	-	-	-	-	-	Covered	T1,T2,T4
KeccakStIdle	0	0	1	-	-	-	-	Covered	T1,T2,T4
KeccakStIdle	0	0	0	1	-	-	-	Unreachable
KeccakStIdle	0	0	0	0	-	-	-	Covered	T1,T2,T3
KeccakStActive	-	-	-	-	1	-	-	Unreachable
KeccakStActive	-	-	-	-	0	-	-	Not Covered
KeccakStPhase1	-	-	-	-	-	1	-	Covered	T1,T2,T4
KeccakStPhase1	-	-	-	-	-	0	-	Covered	T4,T6,T44
KeccakStPhase2Cycle1	-	-	-	-	-	-	-	Covered	T1,T2,T4
KeccakStPhase2Cycle2	-	-	-	-	-	-	-	Covered	T1,T2,T4
KeccakStPhase2Cycle3	-	-	-	-	-	-	1	Unreachable	T1,T2,T4
KeccakStPhase2Cycle3	-	-	-	-	-	-	0	Covered	T1,T2,T4
KeccakStError	-	-	-	-	-	-	-	Not Covered
KeccakStTerminalError	-	-	-	-	-	-	-	Covered	T8,T13,T14
default	-	-	-	-	-	-	-	Covered	T26,T27,T31

	LineNo.	Expression
-1-:	400	if (lc_ctrl_pkg::lc_tx_test_true_loose(lc_escalate_en_i))

Branches:

-1-	Status	Tests
1	Covered	T8,T13,T14
0	Covered	T1,T2,T3

	LineNo.	Expression
-1-:	468	if ((!rst_n))
-2-:	470	if (rst_storage)
-3-:	472	if (update_storage)

Branches:

-1-	-2-	-3-	Status	Tests
1	-	-	Covered	T1,T2,T3
0	1	-	Covered	T1,T2,T4
0	0	1	Covered	T1,T2,T4
0	0	0	Covered	T1,T2,T3

	LineNo.	Expression
-1-:	486	if (xor_message)

Branches:

-1-	Status	Tests
1	Covered	T1,T2,T4
0	Covered	T1,T2,T3

	LineNo.	Expression
-1-:	509	if (rst_storage)
-2-:	511	if (((keccak_st != KeccakStIdle) || prim_mubi_pkg::mubi4_test_false_loose(clear_i)))

Branches:

-1-	-2-	Status	Tests
1	1	Not Covered
1	0	Covered	T1,T2,T4
0	-	Covered	T1,T2,T3

	LineNo.	Expression
-1-:	575	if ((!rst_ni))

Branches:

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

	LineNo.	Expression
-1-:	411	if ((!rst_ni))

Branches:

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

	LineNo.	Expression
-1-:	424	if ((!rst_ni))

Branches:

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

---

Assert Coverage for Module : keccak_round

	Total	Attempted	Percent	Succeeded/Matched	Percent
Assertions	6	6	100.00	6	100.00
Cover properties	0	0		0
Cover sequences	0	0		0
Total	6	6	100.00	6	100.00

---

Assertion Details

Name	Attempts	Real Successes	Failures	Incomplete
ClearAssertStIdle_A	613647730	56760	0	0
OneHot0ValidAndRun_A	613647730	613501254	0	0
ValidRunAssertStIdle_A	613647730	13774414	0	0
WidthDivisableByDInWidth_A	655	655	0	0
gen_mask_st_chk.EnMaskingValidStates_A	613647730	613501254	0	0
u_state_regs_A	613647730	613501254	0	0

ClearAssertStIdle_A

Name	Attempts	Real Successes	Failures	Incomplete
Total	613647730	56760	0	0
T1	232866	1246	0	0
T2	358130	223	0	0
T3	1619	0	0	0
T4	33232	5	0	0
T5	33798	4	0	0
T6	21998	3	0	0
T7	131433	333	0	0
T8	1495	0	0	0
T9	0	90	0	0
T16	135502	89	0	0
T32	169853	100	0	0
T33	0	16	0	0

OneHot0ValidAndRun_A

Name	Attempts	Real Successes	Failures	Incomplete
Total	613647730	613501254	0	0
T1	232866	232856	0	0
T2	358130	358096	0	0
T3	1619	1526	0	0
T4	33232	33142	0	0
T5	33798	33738	0	0
T6	21998	21930	0	0
T7	131433	131361	0	0
T8	1495	1320	0	0
T16	135502	135493	0	0
T32	169853	169846	0	0

ValidRunAssertStIdle_A

Name	Attempts	Real Successes	Failures	Incomplete
Total	613647730	13774414	0	0
T1	232866	22999	0	0
T2	358130	87819	0	0
T3	1619	0	0	0
T4	33232	270	0	0
T5	33798	216	0	0
T6	21998	162	0	0
T7	131433	80817	0	0
T8	1495	22	0	0
T16	135502	71183	0	0
T32	169853	94500	0	0
T33	0	12034	0	0

WidthDivisableByDInWidth_A

Name	Attempts	Real Successes	Failures	Incomplete
Total	655	655	0	0
T1	1	1	0	0
T2	1	1	0	0
T3	1	1	0	0
T4	1	1	0	0
T5	1	1	0	0
T6	1	1	0	0
T7	1	1	0	0
T8	1	1	0	0
T16	1	1	0	0
T32	1	1	0	0

gen_mask_st_chk.EnMaskingValidStates_A

Name	Attempts	Real Successes	Failures	Incomplete
Total	613647730	613501254	0	0
T1	232866	232856	0	0
T2	358130	358096	0	0
T3	1619	1526	0	0
T4	33232	33142	0	0
T5	33798	33738	0	0
T6	21998	21930	0	0
T7	131433	131361	0	0
T8	1495	1320	0	0
T16	135502	135493	0	0
T32	169853	169846	0	0

u_state_regs_A

Name	Attempts	Real Successes	Failures	Incomplete
Total	613647730	613501254	0	0
T1	232866	232856	0	0
T2	358130	358096	0	0
T3	1619	1526	0	0
T4	33232	33142	0	0
T5	33798	33738	0	0
T6	21998	21930	0	0
T7	131433	131361	0	0
T8	1495	1320	0	0
T16	135502	135493	0	0
T32	169853	169846	0	0