Execution Chart

We display below the execution chart for this examination (boot time has been removed).

Trace from the execution

Formatting '/data/fkordon/mcc2023-input.r233-tall-167856418800396.qcow2', fmt=qcow2 size=4294967296 backing_file=/data/fkordon/mcc2023-input.qcow2 cluster_size=65536 lazy_refcounts=off refcount_bits=16
Waiting for the VM to be ready (probing ssh)
.........................................................................................................................................
=====================================================================
Generated by BenchKit 2-5348
Executing tool ltsminxred
Input is LamportFastMutEx-PT-2, examination is LTLFireability
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r233-tall-167856418800396
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 708K
-rw-r--r-- 1 mcc users 13K Feb 25 13:42 CTLCardinality.txt
-rw-r--r-- 1 mcc users 103K Feb 25 13:42 CTLCardinality.xml
-rw-r--r-- 1 mcc users 12K Feb 25 13:42 CTLFireability.txt
-rw-r--r-- 1 mcc users 75K Feb 25 13:42 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K Jan 29 11:40 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 6.6K Jan 29 11:40 GenericPropertiesVerdict.xml
-rw-r--r-- 1 mcc users 5.7K Feb 25 16:20 LTLCardinality.txt
-rw-r--r-- 1 mcc users 31K Feb 25 16:20 LTLCardinality.xml
-rw-r--r-- 1 mcc users 4.9K Feb 25 16:20 LTLFireability.txt
-rw-r--r-- 1 mcc users 26K Feb 25 16:20 LTLFireability.xml
-rw-r--r-- 1 mcc users 20K Feb 25 13:43 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 154K Feb 25 13:43 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 21K Feb 25 13:42 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 133K Feb 25 13:42 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 2.2K Feb 25 16:20 UpperBounds.txt
-rw-r--r-- 1 mcc users 4.8K Feb 25 16:20 UpperBounds.xml
-rw-r--r-- 1 mcc users 5 Mar 5 18:22 equiv_col
-rw-r--r-- 1 mcc users 2 Mar 5 18:22 instance
-rw-r--r-- 1 mcc users 6 Mar 5 18:22 iscolored
-rw-r--r-- 1 mcc users 48K Mar 5 18:22 model.pnml

--------------------
content from stdout:

=== Data for post analysis generated by BenchKit (invocation template)

The expected result is a vector of booleans
BOOL_VECTOR

here is the order used to build the result vector(from text file)
FORMULA_NAME LamportFastMutEx-PT-2-LTLFireability-00
FORMULA_NAME LamportFastMutEx-PT-2-LTLFireability-01
FORMULA_NAME LamportFastMutEx-PT-2-LTLFireability-02
FORMULA_NAME LamportFastMutEx-PT-2-LTLFireability-03
FORMULA_NAME LamportFastMutEx-PT-2-LTLFireability-04
FORMULA_NAME LamportFastMutEx-PT-2-LTLFireability-05
FORMULA_NAME LamportFastMutEx-PT-2-LTLFireability-06
FORMULA_NAME LamportFastMutEx-PT-2-LTLFireability-07
FORMULA_NAME LamportFastMutEx-PT-2-LTLFireability-08
FORMULA_NAME LamportFastMutEx-PT-2-LTLFireability-09
FORMULA_NAME LamportFastMutEx-PT-2-LTLFireability-10
FORMULA_NAME LamportFastMutEx-PT-2-LTLFireability-11
FORMULA_NAME LamportFastMutEx-PT-2-LTLFireability-12
FORMULA_NAME LamportFastMutEx-PT-2-LTLFireability-13
FORMULA_NAME LamportFastMutEx-PT-2-LTLFireability-14
FORMULA_NAME LamportFastMutEx-PT-2-LTLFireability-15

=== Now, execution of the tool begins

BK_START 1679515592986

bash -c /home/mcc/BenchKit/BenchKit_head.sh 2> STDERR ; echo ; echo -n "BK_STOP " ; date -u +%s%3N
Invoking MCC driver with
BK_TOOL=ltsminxred
BK_EXAMINATION=LTLFireability
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=LamportFastMutEx-PT-2
Applying reductions before tool ltsmin
Invoking reducer
Running Version 202303021504
[2023-03-22 20:06:34] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, LTLFireability, -timeout, 360, -rebuildPNML]
[2023-03-22 20:06:34] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2023-03-22 20:06:34] [INFO ] Load time of PNML (sax parser for PT used): 39 ms
[2023-03-22 20:06:34] [INFO ] Transformed 69 places.
[2023-03-22 20:06:34] [INFO ] Transformed 96 transitions.
[2023-03-22 20:06:34] [INFO ] Found NUPN structural information;
[2023-03-22 20:06:34] [INFO ] Completing missing partition info from NUPN : creating a component with [P_start_1_0, P_start_1_1, P_start_1_2, P_b_0_false, P_b_0_true, P_b_1_false, P_b_1_true, P_b_2_false, P_b_2_true, P_setx_3_0, P_setx_3_1, P_setx_3_2, P_setbi_5_0, P_setbi_5_1, P_setbi_5_2, P_ify0_4_0, P_ify0_4_1, P_ify0_4_2, P_sety_9_0, P_sety_9_1, P_sety_9_2, P_ifxi_10_0, P_ifxi_10_1, P_ifxi_10_2, P_setbi_11_0, P_setbi_11_1, P_setbi_11_2, P_fordo_12_0, P_fordo_12_1, P_fordo_12_2, P_wait_0_0, P_wait_0_1, P_wait_0_2, P_wait_1_0, P_wait_1_1, P_wait_1_2, P_wait_2_0, P_wait_2_1, P_wait_2_2, P_await_13_0, P_await_13_1, P_await_13_2, P_done_0_0, P_done_0_1, P_done_0_2, P_done_1_0, P_done_1_1, P_done_1_2, P_done_2_0, P_done_2_1, P_done_2_2, P_ifyi_15_0, P_ifyi_15_1, P_ifyi_15_2, P_awaity_0, P_awaity_1, P_awaity_2, P_CS_21_0, P_CS_21_1, P_CS_21_2, P_setbi_24_0, P_setbi_24_1, P_setbi_24_2]
[2023-03-22 20:06:34] [INFO ] Parsed PT model containing 69 places and 96 transitions and 402 arcs in 103 ms.
Parsed 16 properties from file /home/mcc/execution/LTLFireability.xml in 8 ms.
Working with output stream class java.io.PrintStream
Initial state reduction rules removed 1 formulas.
Deduced a syphon composed of 25 places in 1 ms
Reduce places removed 25 places and 34 transitions.
FORMULA LamportFastMutEx-PT-2-LTLFireability-03 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA LamportFastMutEx-PT-2-LTLFireability-10 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Support contains 32 out of 44 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 44/44 places, 62/62 transitions.
Applied a total of 0 rules in 10 ms. Remains 44 /44 variables (removed 0) and now considering 62/62 (removed 0) transitions.
[2023-03-22 20:06:35] [INFO ] Flow matrix only has 56 transitions (discarded 6 similar events)
// Phase 1: matrix 56 rows 44 cols
[2023-03-22 20:06:35] [INFO ] Computed 10 place invariants in 11 ms
[2023-03-22 20:06:35] [INFO ] Implicit Places using invariants in 140 ms returned []
[2023-03-22 20:06:35] [INFO ] Flow matrix only has 56 transitions (discarded 6 similar events)
[2023-03-22 20:06:35] [INFO ] Invariant cache hit.
[2023-03-22 20:06:35] [INFO ] State equation strengthened by 16 read => feed constraints.
[2023-03-22 20:06:35] [INFO ] Implicit Places using invariants and state equation in 69 ms returned []
Implicit Place search using SMT with State Equation took 467 ms to find 0 implicit places.
[2023-03-22 20:06:35] [INFO ] Flow matrix only has 56 transitions (discarded 6 similar events)
[2023-03-22 20:06:35] [INFO ] Invariant cache hit.
[2023-03-22 20:06:35] [INFO ] Dead Transitions using invariants and state equation in 60 ms found 0 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 538 ms. Remains : 44/44 places, 62/62 transitions.
Support contains 32 out of 44 places after structural reductions.
[2023-03-22 20:06:35] [INFO ] Flatten gal took : 22 ms
[2023-03-22 20:06:35] [INFO ] Flatten gal took : 9 ms
[2023-03-22 20:06:35] [INFO ] Input system was already deterministic with 62 transitions.
Incomplete random walk after 10000 steps, including 2 resets, run finished after 69 ms. (steps per millisecond=144 ) properties (out of 18) seen :17
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 30 ms. (steps per millisecond=333 ) properties (out of 1) seen :0
Running SMT prover for 1 properties.
[2023-03-22 20:06:35] [INFO ] Flow matrix only has 56 transitions (discarded 6 similar events)
[2023-03-22 20:06:35] [INFO ] Invariant cache hit.
[2023-03-22 20:06:35] [INFO ] [Real]Absence check using 10 positive place invariants in 3 ms returned sat
[2023-03-22 20:06:35] [INFO ] After 78ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
[2023-03-22 20:06:35] [INFO ] [Nat]Absence check using 10 positive place invariants in 2 ms returned sat
[2023-03-22 20:06:35] [INFO ] After 22ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
[2023-03-22 20:06:35] [INFO ] State equation strengthened by 16 read => feed constraints.
[2023-03-22 20:06:35] [INFO ] After 6ms SMT Verify possible using 16 Read/Feed constraints in natural domain returned unsat :0 sat :1
[2023-03-22 20:06:35] [INFO ] Deduced a trap composed of 9 places in 36 ms of which 3 ms to minimize.
[2023-03-22 20:06:35] [INFO ] Trap strengthening procedure managed to obtain unsat after adding 1 trap constraints in 39 ms
[2023-03-22 20:06:35] [INFO ] After 47ms SMT Verify possible using trap constraints in natural domain returned unsat :1 sat :0
[2023-03-22 20:06:35] [INFO ] After 105ms SMT Verify possible using all constraints in natural domain returned unsat :1 sat :0
Fused 1 Parikh solutions to 0 different solutions.
Parikh walk visited 0 properties in 0 ms.
Successfully simplified 1 atomic propositions for a total of 14 simplifications.
Computed a total of 1 stabilizing places and 2 stable transitions
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202303021504/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(X(F(p0))))'
Support contains 6 out of 44 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 44/44 places, 62/62 transitions.
Applied a total of 0 rules in 2 ms. Remains 44 /44 variables (removed 0) and now considering 62/62 (removed 0) transitions.
[2023-03-22 20:06:36] [INFO ] Flow matrix only has 56 transitions (discarded 6 similar events)
[2023-03-22 20:06:36] [INFO ] Invariant cache hit.
[2023-03-22 20:06:36] [INFO ] Implicit Places using invariants in 61 ms returned [30, 31]
Discarding 2 places :
Implicit Place search using SMT only with invariants took 63 ms to find 2 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 42/44 places, 62/62 transitions.
Applied a total of 0 rules in 2 ms. Remains 42 /42 variables (removed 0) and now considering 62/62 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 67 ms. Remains : 42/44 places, 62/62 transitions.
Stuttering acceptance computed with spot in 225 ms :[(NOT p0), (NOT p0), (NOT p0)]
Running random walk in product with property : LamportFastMutEx-PT-2-LTLFireability-00 automaton TGBA Formula[mat=[[{ cond=(NOT p0), acceptance={0} source=0 dest: 0}], [{ cond=true, acceptance={} source=1 dest: 0}], [{ cond=true, acceptance={} source=2 dest: 1}]], initial=2, aps=[p0:(OR (AND (EQ s10 1) (EQ s23 1)) (AND (EQ s9 1) (EQ s22 1)) (AND (EQ s11 1) (EQ s23 1)) (AND (EQ s8 1) (EQ s22 1)))], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, deterministic, no-univ-branch, unambiguous, semi-deterministic, stutter-sensitive, very-weak, weak, inherently-weak], stateDesc=[null, null, null][false, false, false]]
Product exploration explored 100000 steps with 7030 reset in 265 ms.
Stack based approach found an accepted trace after 216 steps with 15 reset with depth 17 and stack size 17 in 1 ms.
FORMULA LamportFastMutEx-PT-2-LTLFireability-00 FALSE TECHNIQUES STACK_TEST
Treatment of property LamportFastMutEx-PT-2-LTLFireability-00 finished in 608 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202303021504/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X((p0||X(X(G(p1))))))'
Support contains 8 out of 44 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 44/44 places, 62/62 transitions.
Applied a total of 0 rules in 2 ms. Remains 44 /44 variables (removed 0) and now considering 62/62 (removed 0) transitions.
[2023-03-22 20:06:36] [INFO ] Flow matrix only has 56 transitions (discarded 6 similar events)
[2023-03-22 20:06:36] [INFO ] Invariant cache hit.
[2023-03-22 20:06:36] [INFO ] Implicit Places using invariants in 52 ms returned [30, 31]
Discarding 2 places :
Implicit Place search using SMT only with invariants took 55 ms to find 2 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 42/44 places, 62/62 transitions.
Applied a total of 0 rules in 1 ms. Remains 42 /42 variables (removed 0) and now considering 62/62 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 58 ms. Remains : 42/44 places, 62/62 transitions.
Stuttering acceptance computed with spot in 190 ms :[true, (AND (NOT p0) (NOT p1)), (NOT p1), (NOT p1), (AND (NOT p0) (NOT p1))]
Running random walk in product with property : LamportFastMutEx-PT-2-LTLFireability-01 automaton TGBA Formula[mat=[[{ cond=true, acceptance={0} source=0 dest: 0}], [{ cond=(NOT p0), acceptance={} source=1 dest: 3}], [{ cond=(NOT p1), acceptance={} source=2 dest: 0}, { cond=p1, acceptance={} source=2 dest: 2}], [{ cond=true, acceptance={} source=3 dest: 2}], [{ cond=true, acceptance={} source=4 dest: 1}]], initial=4, aps=[p0:(AND (OR (EQ s9 0) (EQ s40 0)) (OR (EQ s11 0) (EQ s41 0)) (OR (EQ s10 0) (EQ s41 0)) (OR (EQ s8 0) (EQ s40 0))), p1:(OR (AND (EQ s10 1) (EQ s23 1)) (AN...], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, deterministic, no-univ-branch, unambiguous, semi-deterministic, stutter-sensitive, terminal, very-weak, weak, inherently-weak], stateDesc=[null, null, null, null, null][false, false, false, false, false]]
Product exploration explored 100000 steps with 50000 reset in 131 ms.
Product exploration explored 100000 steps with 50000 reset in 141 ms.
Computed a total of 1 stabilizing places and 2 stable transitions
Computed a total of 1 stabilizing places and 2 stable transitions
Knowledge obtained : [(AND p0 (NOT p1)), (X p0), true]
False Knowledge obtained : []
Property proved to be true thanks to knowledge :(X p0)
Knowledge based reduction with 3 factoid took 83 ms. Reduced automaton from 5 states, 6 edges and 2 AP (stutter sensitive) to 1 states, 0 edges and 0 AP (stutter insensitive).
FORMULA LamportFastMutEx-PT-2-LTLFireability-01 TRUE TECHNIQUES KNOWLEDGE
Treatment of property LamportFastMutEx-PT-2-LTLFireability-01 finished in 624 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202303021504/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(G((F(p1)||p0)))'
Support contains 5 out of 44 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 44/44 places, 62/62 transitions.
Performed 2 Post agglomeration using F-continuation condition.Transition count delta: 2
Deduced a syphon composed of 2 places in 0 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 0 with 4 rules applied. Total rules applied 4 place count 42 transition count 60
Applied a total of 4 rules in 13 ms. Remains 42 /44 variables (removed 2) and now considering 60/62 (removed 2) transitions.
[2023-03-22 20:06:37] [INFO ] Flow matrix only has 54 transitions (discarded 6 similar events)
// Phase 1: matrix 54 rows 42 cols
[2023-03-22 20:06:37] [INFO ] Computed 10 place invariants in 1 ms
[2023-03-22 20:06:37] [INFO ] Implicit Places using invariants in 57 ms returned [28, 29]
Discarding 2 places :
Implicit Place search using SMT only with invariants took 57 ms to find 2 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 40/44 places, 60/62 transitions.
Applied a total of 0 rules in 11 ms. Remains 40 /40 variables (removed 0) and now considering 60/60 (removed 0) transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 81 ms. Remains : 40/44 places, 60/62 transitions.
Stuttering acceptance computed with spot in 79 ms :[(AND (NOT p0) (NOT p1)), (NOT p1)]
Running random walk in product with property : LamportFastMutEx-PT-2-LTLFireability-02 automaton TGBA Formula[mat=[[{ cond=true, acceptance={} source=0 dest: 0}, { cond=(AND (NOT p0) (NOT p1)), acceptance={} source=0 dest: 1}], [{ cond=(NOT p1), acceptance={0} source=1 dest: 1}]], initial=0, aps=[p0:(OR (AND (EQ s7 1) (EQ s32 1)) (AND (EQ s5 1) (EQ s32 1)) (AND (EQ s6 1) (EQ s33 1)) (AND (EQ s5 1) (EQ s33 1))), p1:(OR (AND (EQ s7 1) (EQ s32 1)) (AN...], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, no-univ-branch, stutter-invariant, very-weak, weak, inherently-weak], stateDesc=[null, null][true, true]]
Product exploration explored 100000 steps with 1478 reset in 126 ms.
Stack based approach found an accepted trace after 14 steps with 0 reset with depth 15 and stack size 15 in 0 ms.
FORMULA LamportFastMutEx-PT-2-LTLFireability-02 FALSE TECHNIQUES STACK_TEST
Treatment of property LamportFastMutEx-PT-2-LTLFireability-02 finished in 302 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202303021504/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(X(((!p0&&G(!p1)) U G(p0)))))'
Support contains 9 out of 44 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 44/44 places, 62/62 transitions.
Applied a total of 0 rules in 1 ms. Remains 44 /44 variables (removed 0) and now considering 62/62 (removed 0) transitions.
[2023-03-22 20:06:37] [INFO ] Flow matrix only has 56 transitions (discarded 6 similar events)
// Phase 1: matrix 56 rows 44 cols
[2023-03-22 20:06:37] [INFO ] Computed 10 place invariants in 11 ms
[2023-03-22 20:06:37] [INFO ] Implicit Places using invariants in 93 ms returned [30, 31]
Discarding 2 places :
Implicit Place search using SMT only with invariants took 94 ms to find 2 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 42/44 places, 62/62 transitions.
Applied a total of 0 rules in 1 ms. Remains 42 /42 variables (removed 0) and now considering 62/62 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 96 ms. Remains : 42/44 places, 62/62 transitions.
Stuttering acceptance computed with spot in 226 ms :[(NOT p0), (NOT p0), (NOT p0), true, p1, (NOT p0)]
Running random walk in product with property : LamportFastMutEx-PT-2-LTLFireability-04 automaton TGBA Formula[mat=[[{ cond=true, acceptance={} source=0 dest: 1}], [{ cond=true, acceptance={} source=1 dest: 2}], [{ cond=(AND (NOT p0) (NOT p1)), acceptance={0} source=2 dest: 2}, { cond=(AND (NOT p0) p1), acceptance={} source=2 dest: 3}, { cond=(AND (NOT p0) (NOT p1)), acceptance={} source=2 dest: 4}, { cond=p0, acceptance={} source=2 dest: 5}], [{ cond=true, acceptance={0} source=3 dest: 3}], [{ cond=p1, acceptance={} source=4 dest: 3}, { cond=(NOT p1), acceptance={} source=4 dest: 4}], [{ cond=(NOT p0), acceptance={} source=5 dest: 3}, { cond=p0, acceptance={} source=5 dest: 5}]], initial=0, aps=[p0:(OR (AND (EQ s2 1) (EQ s21 1)) (AND (EQ s4 1) (EQ s20 1)) (AND (EQ s2 1) (EQ s20 1)) (AND (EQ s3 1) (EQ s21 1))), p1:(OR (AND (EQ s7 1) (EQ s35 1)) (AN...], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, complete, no-univ-branch, stutter-sensitive], stateDesc=[null, null, null, null, null, null][false, false, false, false, false, false]]
Entered a terminal (fully accepting) state of product in 212 steps with 0 reset in 1 ms.
FORMULA LamportFastMutEx-PT-2-LTLFireability-04 FALSE TECHNIQUES STUTTER_TEST
Treatment of property LamportFastMutEx-PT-2-LTLFireability-04 finished in 346 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202303021504/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(G(p0)))'
Support contains 8 out of 44 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 44/44 places, 62/62 transitions.
Applied a total of 0 rules in 1 ms. Remains 44 /44 variables (removed 0) and now considering 62/62 (removed 0) transitions.
[2023-03-22 20:06:37] [INFO ] Flow matrix only has 56 transitions (discarded 6 similar events)
[2023-03-22 20:06:37] [INFO ] Invariant cache hit.
[2023-03-22 20:06:38] [INFO ] Implicit Places using invariants in 47 ms returned []
[2023-03-22 20:06:38] [INFO ] Flow matrix only has 56 transitions (discarded 6 similar events)
[2023-03-22 20:06:38] [INFO ] Invariant cache hit.
[2023-03-22 20:06:38] [INFO ] State equation strengthened by 16 read => feed constraints.
[2023-03-22 20:06:38] [INFO ] Implicit Places using invariants and state equation in 58 ms returned []
Implicit Place search using SMT with State Equation took 106 ms to find 0 implicit places.
[2023-03-22 20:06:38] [INFO ] Flow matrix only has 56 transitions (discarded 6 similar events)
[2023-03-22 20:06:38] [INFO ] Invariant cache hit.
[2023-03-22 20:06:38] [INFO ] Dead Transitions using invariants and state equation in 42 ms found 0 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 150 ms. Remains : 44/44 places, 62/62 transitions.
Stuttering acceptance computed with spot in 87 ms :[true, (NOT p0), (NOT p0)]
Running random walk in product with property : LamportFastMutEx-PT-2-LTLFireability-05 automaton TGBA Formula[mat=[[{ cond=true, acceptance={0} source=0 dest: 0}], [{ cond=true, acceptance={} source=1 dest: 2}], [{ cond=(NOT p0), acceptance={} source=2 dest: 0}, { cond=p0, acceptance={} source=2 dest: 2}]], initial=1, aps=[p0:(AND (OR (EQ s8 0) (EQ s28 0) (EQ s31 0)) (OR (EQ s10 0) (EQ s29 0) (EQ s31 0)) (OR (EQ s10 0) (EQ s27 0) (EQ s30 0)) (OR (EQ s8 0) (EQ s26 0) (EQ s30 ...], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, complete, deterministic, no-univ-branch, unambiguous, semi-deterministic, stutter-sensitive, terminal, very-weak, weak, inherently-weak], stateDesc=[null, null, null][false, false, false]]
Entered a terminal (fully accepting) state of product in 44 steps with 0 reset in 0 ms.
FORMULA LamportFastMutEx-PT-2-LTLFireability-05 FALSE TECHNIQUES STUTTER_TEST
Treatment of property LamportFastMutEx-PT-2-LTLFireability-05 finished in 258 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202303021504/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(F(G(p0)))'
Support contains 5 out of 44 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 44/44 places, 62/62 transitions.
Performed 2 Post agglomeration using F-continuation condition.Transition count delta: 2
Deduced a syphon composed of 2 places in 1 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 0 with 4 rules applied. Total rules applied 4 place count 42 transition count 60
Applied a total of 4 rules in 11 ms. Remains 42 /44 variables (removed 2) and now considering 60/62 (removed 2) transitions.
[2023-03-22 20:06:38] [INFO ] Flow matrix only has 54 transitions (discarded 6 similar events)
// Phase 1: matrix 54 rows 42 cols
[2023-03-22 20:06:38] [INFO ] Computed 10 place invariants in 0 ms
[2023-03-22 20:06:38] [INFO ] Implicit Places using invariants in 46 ms returned [28, 29]
Discarding 2 places :
Implicit Place search using SMT only with invariants took 46 ms to find 2 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 40/44 places, 60/62 transitions.
Applied a total of 0 rules in 2 ms. Remains 40 /40 variables (removed 0) and now considering 60/60 (removed 0) transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 60 ms. Remains : 40/44 places, 60/62 transitions.
Stuttering acceptance computed with spot in 33 ms :[(NOT p0)]
Running random walk in product with property : LamportFastMutEx-PT-2-LTLFireability-06 automaton TGBA Formula[mat=[[{ cond=p0, acceptance={} source=0 dest: 0}, { cond=(NOT p0), acceptance={0} source=0 dest: 0}]], initial=0, aps=[p0:(OR (AND (EQ s7 1) (EQ s32 1)) (AND (EQ s5 1) (EQ s32 1)) (AND (EQ s6 1) (EQ s33 1)) (AND (EQ s5 1) (EQ s33 1)))], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, complete, deterministic, no-univ-branch, unambiguous, semi-deterministic, stutter-invariant], stateDesc=[null][true]]
Product exploration explored 100000 steps with 0 reset in 126 ms.
Stack based approach found an accepted trace after 23 steps with 0 reset with depth 24 and stack size 24 in 0 ms.
FORMULA LamportFastMutEx-PT-2-LTLFireability-06 FALSE TECHNIQUES STACK_TEST
Treatment of property LamportFastMutEx-PT-2-LTLFireability-06 finished in 235 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202303021504/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(X(X(F((p0||G(!p1)||((G(!p1)||(!p1&&F(!p2)))&&F(!p3))))))))'
Support contains 18 out of 44 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 44/44 places, 62/62 transitions.
Applied a total of 0 rules in 1 ms. Remains 44 /44 variables (removed 0) and now considering 62/62 (removed 0) transitions.
[2023-03-22 20:06:38] [INFO ] Flow matrix only has 56 transitions (discarded 6 similar events)
// Phase 1: matrix 56 rows 44 cols
[2023-03-22 20:06:38] [INFO ] Computed 10 place invariants in 1 ms
[2023-03-22 20:06:38] [INFO ] Implicit Places using invariants in 41 ms returned []
[2023-03-22 20:06:38] [INFO ] Flow matrix only has 56 transitions (discarded 6 similar events)
[2023-03-22 20:06:38] [INFO ] Invariant cache hit.
[2023-03-22 20:06:38] [INFO ] State equation strengthened by 16 read => feed constraints.
[2023-03-22 20:06:38] [INFO ] Implicit Places using invariants and state equation in 50 ms returned []
Implicit Place search using SMT with State Equation took 94 ms to find 0 implicit places.
[2023-03-22 20:06:38] [INFO ] Flow matrix only has 56 transitions (discarded 6 similar events)
[2023-03-22 20:06:38] [INFO ] Invariant cache hit.
[2023-03-22 20:06:38] [INFO ] Dead Transitions using invariants and state equation in 42 ms found 0 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 138 ms. Remains : 44/44 places, 62/62 transitions.
Stuttering acceptance computed with spot in 296 ms :[(AND (NOT p0) p1), (AND (NOT p0) p1 p2), (AND (NOT p0) p1 p3), (AND (NOT p0) p1), (AND (NOT p0) p1), (AND (NOT p0) p1)]
Running random walk in product with property : LamportFastMutEx-PT-2-LTLFireability-07 automaton TGBA Formula[mat=[[{ cond=(AND (NOT p0) p1), acceptance={0} source=0 dest: 0}, { cond=(AND (NOT p0) (NOT p1) p2), acceptance={} source=0 dest: 1}, { cond=(AND (NOT p0) p3 (NOT p1)), acceptance={} source=0 dest: 2}], [{ cond=(AND (NOT p0) (NOT p1) p2), acceptance={} source=1 dest: 1}, { cond=(AND (NOT p0) p1 p2), acceptance={0} source=1 dest: 1}], [{ cond=(AND (NOT p0) p3 (NOT p1)), acceptance={} source=2 dest: 2}, { cond=(AND (NOT p0) p3 p1), acceptance={0} source=2 dest: 2}], [{ cond=true, acceptance={} source=3 dest: 0}], [{ cond=true, acceptance={} source=4 dest: 3}], [{ cond=true, acceptance={} source=5 dest: 4}]], initial=5, aps=[p0:(AND (OR (EQ s8 0) (EQ s28 0) (EQ s31 0)) (OR (EQ s10 0) (EQ s29 0) (EQ s31 0)) (OR (EQ s10 0) (EQ s27 0) (EQ s30 0)) (OR (EQ s8 0) (EQ s26 0) (EQ s30 ...], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, no-univ-branch, stutter-sensitive], stateDesc=[null, null, null, null, null, null][false, false, false, false, false, false]]
Product exploration explored 100000 steps with 25000 reset in 98 ms.
Product exploration explored 100000 steps with 25000 reset in 102 ms.
Computed a total of 1 stabilizing places and 2 stable transitions
Computed a total of 1 stabilizing places and 2 stable transitions
Knowledge obtained : [(AND p0 (NOT p1) (NOT p2) (NOT p3)), true]
False Knowledge obtained : []
Knowledge based reduction with 2 factoid took 113 ms. Reduced automaton from 6 states, 10 edges and 4 AP (stutter sensitive) to 6 states, 10 edges and 4 AP (stutter sensitive).
Stuttering acceptance computed with spot in 322 ms :[(AND (NOT p0) p1), (AND (NOT p0) p1 p2), (AND (NOT p0) p1 p3), (AND (NOT p0) p1), (AND (NOT p0) p1), (AND (NOT p0) p1)]
Incomplete random walk after 10000 steps, including 2 resets, run finished after 121 ms. (steps per millisecond=82 ) properties (out of 5) seen :2
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 56 ms. (steps per millisecond=178 ) properties (out of 3) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 46 ms. (steps per millisecond=217 ) properties (out of 3) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 52 ms. (steps per millisecond=192 ) properties (out of 3) seen :0
Running SMT prover for 3 properties.
[2023-03-22 20:06:39] [INFO ] Flow matrix only has 56 transitions (discarded 6 similar events)
[2023-03-22 20:06:39] [INFO ] Invariant cache hit.
[2023-03-22 20:06:39] [INFO ] [Real]Absence check using 10 positive place invariants in 2 ms returned sat
[2023-03-22 20:06:39] [INFO ] After 35ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:3
[2023-03-22 20:06:39] [INFO ] [Nat]Absence check using 10 positive place invariants in 2 ms returned sat
[2023-03-22 20:06:39] [INFO ] After 18ms SMT Verify possible using state equation in natural domain returned unsat :2 sat :1
[2023-03-22 20:06:39] [INFO ] State equation strengthened by 16 read => feed constraints.
[2023-03-22 20:06:39] [INFO ] After 9ms SMT Verify possible using 16 Read/Feed constraints in natural domain returned unsat :2 sat :1
[2023-03-22 20:06:39] [INFO ] Deduced a trap composed of 4 places in 26 ms of which 0 ms to minimize.
[2023-03-22 20:06:40] [INFO ] Deduced a trap composed of 11 places in 22 ms of which 1 ms to minimize.
[2023-03-22 20:06:40] [INFO ] Deduced a trap composed of 8 places in 24 ms of which 2 ms to minimize.
[2023-03-22 20:06:40] [INFO ] Deduced a trap composed of 13 places in 23 ms of which 0 ms to minimize.
[2023-03-22 20:06:40] [INFO ] Trap strengthening procedure managed to obtain unsat after adding 4 trap constraints in 111 ms
[2023-03-22 20:06:40] [INFO ] After 132ms SMT Verify possible using trap constraints in natural domain returned unsat :3 sat :0
[2023-03-22 20:06:40] [INFO ] After 189ms SMT Verify possible using all constraints in natural domain returned unsat :3 sat :0
Fused 3 Parikh solutions to 0 different solutions.
Parikh walk visited 0 properties in 0 ms.
Found 3 invariant AP formulas.
Knowledge obtained : [(AND p0 (NOT p1) (NOT p2) (NOT p3)), true, (G (NOT (AND (NOT p0) p1 p3))), (G (NOT (AND (NOT p0) p1 p2))), (G (NOT (AND (NOT p0) (NOT p1) p3)))]
False Knowledge obtained : [(F (AND (NOT p0) p1)), (F (AND (NOT p0) (NOT p1) p2))]
Knowledge based reduction with 5 factoid took 286 ms. Reduced automaton from 6 states, 10 edges and 4 AP (stutter sensitive) to 4 states, 4 edges and 3 AP (stutter sensitive).
Stuttering acceptance computed with spot in 170 ms :[(AND (NOT p0) p1 (NOT p3)), (AND (NOT p0) p1), (AND (NOT p0) p1 (NOT p3)), (AND (NOT p0) p1 (NOT p3))]
Stuttering acceptance computed with spot in 172 ms :[(AND (NOT p0) p1 (NOT p3)), (AND (NOT p0) p1), (AND (NOT p0) p1 (NOT p3)), (AND (NOT p0) p1 (NOT p3))]
Support contains 13 out of 44 places. Attempting structural reductions.
Property had overlarge support with respect to TGBA, discarding it for now.
Starting structural reductions in LTL mode, iteration 0 : 44/44 places, 62/62 transitions.
Applied a total of 0 rules in 2 ms. Remains 44 /44 variables (removed 0) and now considering 62/62 (removed 0) transitions.
[2023-03-22 20:06:40] [INFO ] Flow matrix only has 56 transitions (discarded 6 similar events)
[2023-03-22 20:06:40] [INFO ] Invariant cache hit.
[2023-03-22 20:06:40] [INFO ] Implicit Places using invariants in 39 ms returned []
[2023-03-22 20:06:40] [INFO ] Flow matrix only has 56 transitions (discarded 6 similar events)
[2023-03-22 20:06:40] [INFO ] Invariant cache hit.
[2023-03-22 20:06:40] [INFO ] State equation strengthened by 16 read => feed constraints.
[2023-03-22 20:06:40] [INFO ] Implicit Places using invariants and state equation in 51 ms returned []
Implicit Place search using SMT with State Equation took 90 ms to find 0 implicit places.
[2023-03-22 20:06:40] [INFO ] Flow matrix only has 56 transitions (discarded 6 similar events)
[2023-03-22 20:06:40] [INFO ] Invariant cache hit.
[2023-03-22 20:06:40] [INFO ] Dead Transitions using invariants and state equation in 43 ms found 0 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 135 ms. Remains : 44/44 places, 62/62 transitions.
Computed a total of 1 stabilizing places and 2 stable transitions
Computed a total of 1 stabilizing places and 2 stable transitions
Knowledge obtained : [(AND p0 (NOT p1) (NOT p3)), (X (OR p0 (NOT p3))), (X (X (OR p0 (NOT p3))))]
False Knowledge obtained : []
Knowledge based reduction with 3 factoid took 138 ms. Reduced automaton from 4 states, 4 edges and 3 AP (stutter sensitive) to 4 states, 4 edges and 2 AP (stutter sensitive).
Stuttering acceptance computed with spot in 140 ms :[(AND p1 (NOT p0)), (AND p1 (NOT p0)), (AND p1 (NOT p0)), (AND p1 (NOT p0))]
Finished random walk after 77 steps, including 0 resets, run visited all 1 properties in 1 ms. (steps per millisecond=77 )
Knowledge obtained : [(AND p0 (NOT p1) (NOT p3)), (X (OR p0 (NOT p3))), (X (X (OR p0 (NOT p3))))]
False Knowledge obtained : [(F (AND p1 (NOT p0)))]
Knowledge based reduction with 3 factoid took 137 ms. Reduced automaton from 4 states, 4 edges and 2 AP (stutter sensitive) to 4 states, 4 edges and 2 AP (stutter sensitive).
Stuttering acceptance computed with spot in 160 ms :[(AND p1 (NOT p0)), (AND p1 (NOT p0)), (AND p1 (NOT p0)), (AND p1 (NOT p0))]
Stuttering acceptance computed with spot in 235 ms :[(AND p1 (NOT p0)), (AND p1 (NOT p0)), (AND p1 (NOT p0)), (AND p1 (NOT p0))]
Stuttering acceptance computed with spot in 165 ms :[(AND p1 (NOT p0)), (AND p1 (NOT p0)), (AND p1 (NOT p0)), (AND p1 (NOT p0))]
Product exploration explored 100000 steps with 25000 reset in 92 ms.
Product exploration explored 100000 steps with 25000 reset in 92 ms.
Applying partial POR strategy [true, false, false, false]
Stuttering acceptance computed with spot in 163 ms :[(AND p1 (NOT p0)), (AND p1 (NOT p0)), (AND p1 (NOT p0)), (AND p1 (NOT p0))]
Support contains 12 out of 44 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 44/44 places, 62/62 transitions.
Applied a total of 0 rules in 9 ms. Remains 44 /44 variables (removed 0) and now considering 62/62 (removed 0) transitions.
[2023-03-22 20:06:42] [INFO ] Redundant transitions in 0 ms returned []
[2023-03-22 20:06:42] [INFO ] Flow matrix only has 56 transitions (discarded 6 similar events)
[2023-03-22 20:06:42] [INFO ] Invariant cache hit.
[2023-03-22 20:06:42] [INFO ] Dead Transitions using invariants and state equation in 55 ms found 0 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 78 ms. Remains : 44/44 places, 62/62 transitions.
Support contains 12 out of 44 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 44/44 places, 62/62 transitions.
Applied a total of 0 rules in 1 ms. Remains 44 /44 variables (removed 0) and now considering 62/62 (removed 0) transitions.
[2023-03-22 20:06:42] [INFO ] Flow matrix only has 56 transitions (discarded 6 similar events)
[2023-03-22 20:06:42] [INFO ] Invariant cache hit.
[2023-03-22 20:06:42] [INFO ] Implicit Places using invariants in 37 ms returned []
[2023-03-22 20:06:42] [INFO ] Flow matrix only has 56 transitions (discarded 6 similar events)
[2023-03-22 20:06:42] [INFO ] Invariant cache hit.
[2023-03-22 20:06:42] [INFO ] State equation strengthened by 16 read => feed constraints.
[2023-03-22 20:06:42] [INFO ] Implicit Places using invariants and state equation in 59 ms returned []
Implicit Place search using SMT with State Equation took 98 ms to find 0 implicit places.
[2023-03-22 20:06:42] [INFO ] Flow matrix only has 56 transitions (discarded 6 similar events)
[2023-03-22 20:06:42] [INFO ] Invariant cache hit.
[2023-03-22 20:06:42] [INFO ] Dead Transitions using invariants and state equation in 45 ms found 0 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 145 ms. Remains : 44/44 places, 62/62 transitions.
Treatment of property LamportFastMutEx-PT-2-LTLFireability-07 finished in 4206 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202303021504/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(F((G(F(p0))||G(p1))))'
Support contains 3 out of 44 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 44/44 places, 62/62 transitions.
Performed 2 Post agglomeration using F-continuation condition.Transition count delta: 2
Deduced a syphon composed of 2 places in 0 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 0 with 4 rules applied. Total rules applied 4 place count 42 transition count 60
Applied a total of 4 rules in 3 ms. Remains 42 /44 variables (removed 2) and now considering 60/62 (removed 2) transitions.
[2023-03-22 20:06:42] [INFO ] Flow matrix only has 54 transitions (discarded 6 similar events)
// Phase 1: matrix 54 rows 42 cols
[2023-03-22 20:06:42] [INFO ] Computed 10 place invariants in 1 ms
[2023-03-22 20:06:42] [INFO ] Implicit Places using invariants in 38 ms returned [28, 29]
Discarding 2 places :
Implicit Place search using SMT only with invariants took 38 ms to find 2 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 40/44 places, 60/62 transitions.
Performed 1 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 0 with 1 Pre rules applied. Total rules applied 0 place count 40 transition count 59
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 0 with 2 rules applied. Total rules applied 2 place count 39 transition count 59
Applied a total of 2 rules in 4 ms. Remains 39 /40 variables (removed 1) and now considering 59/60 (removed 1) transitions.
[2023-03-22 20:06:42] [INFO ] Flow matrix only has 53 transitions (discarded 6 similar events)
// Phase 1: matrix 53 rows 39 cols
[2023-03-22 20:06:42] [INFO ] Computed 8 place invariants in 3 ms
[2023-03-22 20:06:42] [INFO ] Implicit Places using invariants in 56 ms returned []
[2023-03-22 20:06:42] [INFO ] Flow matrix only has 53 transitions (discarded 6 similar events)
[2023-03-22 20:06:42] [INFO ] Invariant cache hit.
[2023-03-22 20:06:42] [INFO ] State equation strengthened by 12 read => feed constraints.
[2023-03-22 20:06:42] [INFO ] Implicit Places using invariants and state equation in 51 ms returned []
Implicit Place search using SMT with State Equation took 107 ms to find 0 implicit places.
Starting structural reductions in SI_LTL mode, iteration 2 : 39/44 places, 59/62 transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 152 ms. Remains : 39/44 places, 59/62 transitions.
Stuttering acceptance computed with spot in 80 ms :[(AND (NOT p1) (NOT p0)), (AND (NOT p1) (NOT p0))]
Running random walk in product with property : LamportFastMutEx-PT-2-LTLFireability-08 automaton TGBA Formula[mat=[[{ cond=true, acceptance={} source=0 dest: 0}, { cond=(AND (NOT p1) (NOT p0)), acceptance={} source=0 dest: 1}], [{ cond=(AND p1 (NOT p0)), acceptance={} source=1 dest: 1}, { cond=(AND (NOT p1) (NOT p0)), acceptance={0} source=1 dest: 1}]], initial=0, aps=[p1:(AND (EQ s6 1) (EQ s35 1)), p0:(AND (EQ s6 1) (EQ s32 1))], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, no-univ-branch, stutter-invariant], stateDesc=[null, null][true, true]]
Product exploration explored 100000 steps with 1228 reset in 127 ms.
Stack based approach found an accepted trace after 43 steps with 1 reset with depth 18 and stack size 18 in 1 ms.
FORMULA LamportFastMutEx-PT-2-LTLFireability-08 FALSE TECHNIQUES STACK_TEST
Treatment of property LamportFastMutEx-PT-2-LTLFireability-08 finished in 372 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202303021504/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(F(G(p0)))'
Support contains 2 out of 44 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 44/44 places, 62/62 transitions.
Performed 2 Post agglomeration using F-continuation condition.Transition count delta: 2
Deduced a syphon composed of 2 places in 0 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 0 with 4 rules applied. Total rules applied 4 place count 42 transition count 60
Applied a total of 4 rules in 5 ms. Remains 42 /44 variables (removed 2) and now considering 60/62 (removed 2) transitions.
[2023-03-22 20:06:43] [INFO ] Flow matrix only has 54 transitions (discarded 6 similar events)
// Phase 1: matrix 54 rows 42 cols
[2023-03-22 20:06:43] [INFO ] Computed 10 place invariants in 1 ms
[2023-03-22 20:06:43] [INFO ] Implicit Places using invariants in 41 ms returned [28, 29]
Discarding 2 places :
Implicit Place search using SMT only with invariants took 43 ms to find 2 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 40/44 places, 60/62 transitions.
Performed 2 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 0 with 2 Pre rules applied. Total rules applied 0 place count 40 transition count 58
Deduced a syphon composed of 2 places in 0 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 0 with 4 rules applied. Total rules applied 4 place count 38 transition count 58
Applied a total of 4 rules in 20 ms. Remains 38 /40 variables (removed 2) and now considering 58/60 (removed 2) transitions.
[2023-03-22 20:06:43] [INFO ] Flow matrix only has 52 transitions (discarded 6 similar events)
// Phase 1: matrix 52 rows 38 cols
[2023-03-22 20:06:43] [INFO ] Computed 8 place invariants in 1 ms
[2023-03-22 20:06:43] [INFO ] Implicit Places using invariants in 40 ms returned []
[2023-03-22 20:06:43] [INFO ] Flow matrix only has 52 transitions (discarded 6 similar events)
[2023-03-22 20:06:43] [INFO ] Invariant cache hit.
[2023-03-22 20:06:43] [INFO ] State equation strengthened by 12 read => feed constraints.
[2023-03-22 20:06:43] [INFO ] Implicit Places using invariants and state equation in 68 ms returned []
Implicit Place search using SMT with State Equation took 110 ms to find 0 implicit places.
Starting structural reductions in SI_LTL mode, iteration 2 : 38/44 places, 58/62 transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 179 ms. Remains : 38/44 places, 58/62 transitions.
Stuttering acceptance computed with spot in 28 ms :[(NOT p0)]
Running random walk in product with property : LamportFastMutEx-PT-2-LTLFireability-09 automaton TGBA Formula[mat=[[{ cond=p0, acceptance={} source=0 dest: 0}, { cond=(NOT p0), acceptance={0} source=0 dest: 0}]], initial=0, aps=[p0:(AND (EQ s5 1) (EQ s16 1))], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, complete, deterministic, no-univ-branch, unambiguous, semi-deterministic, stutter-invariant], stateDesc=[null][true]]
Product exploration explored 100000 steps with 0 reset in 100 ms.
Stack based approach found an accepted trace after 18 steps with 0 reset with depth 19 and stack size 19 in 1 ms.
FORMULA LamportFastMutEx-PT-2-LTLFireability-09 FALSE TECHNIQUES STACK_TEST
Treatment of property LamportFastMutEx-PT-2-LTLFireability-09 finished in 325 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202303021504/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(F(p0))'
Support contains 2 out of 44 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 44/44 places, 62/62 transitions.
Performed 2 Post agglomeration using F-continuation condition.Transition count delta: 2
Deduced a syphon composed of 2 places in 0 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 0 with 4 rules applied. Total rules applied 4 place count 42 transition count 60
Applied a total of 4 rules in 7 ms. Remains 42 /44 variables (removed 2) and now considering 60/62 (removed 2) transitions.
[2023-03-22 20:06:43] [INFO ] Flow matrix only has 54 transitions (discarded 6 similar events)
// Phase 1: matrix 54 rows 42 cols
[2023-03-22 20:06:43] [INFO ] Computed 10 place invariants in 2 ms
[2023-03-22 20:06:43] [INFO ] Implicit Places using invariants in 42 ms returned [28, 29]
Discarding 2 places :
Implicit Place search using SMT only with invariants took 43 ms to find 2 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 40/44 places, 60/62 transitions.
Performed 2 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 0 with 2 Pre rules applied. Total rules applied 0 place count 40 transition count 58
Deduced a syphon composed of 2 places in 0 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 0 with 4 rules applied. Total rules applied 4 place count 38 transition count 58
Applied a total of 4 rules in 3 ms. Remains 38 /40 variables (removed 2) and now considering 58/60 (removed 2) transitions.
[2023-03-22 20:06:43] [INFO ] Flow matrix only has 52 transitions (discarded 6 similar events)
// Phase 1: matrix 52 rows 38 cols
[2023-03-22 20:06:43] [INFO ] Computed 8 place invariants in 1 ms
[2023-03-22 20:06:43] [INFO ] Implicit Places using invariants in 39 ms returned []
[2023-03-22 20:06:43] [INFO ] Flow matrix only has 52 transitions (discarded 6 similar events)
[2023-03-22 20:06:43] [INFO ] Invariant cache hit.
[2023-03-22 20:06:43] [INFO ] State equation strengthened by 12 read => feed constraints.
[2023-03-22 20:06:43] [INFO ] Implicit Places using invariants and state equation in 52 ms returned []
Implicit Place search using SMT with State Equation took 93 ms to find 0 implicit places.
Starting structural reductions in SI_LTL mode, iteration 2 : 38/44 places, 58/62 transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 148 ms. Remains : 38/44 places, 58/62 transitions.
Stuttering acceptance computed with spot in 28 ms :[(NOT p0)]
Running random walk in product with property : LamportFastMutEx-PT-2-LTLFireability-11 automaton TGBA Formula[mat=[[{ cond=(NOT p0), acceptance={0} source=0 dest: 0}]], initial=0, aps=[p0:(AND (EQ s3 1) (EQ s13 1))], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, colored, deterministic, no-univ-branch, unambiguous, semi-deterministic, stutter-invariant, very-weak, weak, inherently-weak], stateDesc=[null][true]]
Product exploration explored 100000 steps with 7678 reset in 81 ms.
Stack based approach found an accepted trace after 10 steps with 0 reset with depth 11 and stack size 11 in 0 ms.
FORMULA LamportFastMutEx-PT-2-LTLFireability-11 FALSE TECHNIQUES STACK_TEST
Treatment of property LamportFastMutEx-PT-2-LTLFireability-11 finished in 278 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202303021504/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(G(p0)))'
Support contains 3 out of 44 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 44/44 places, 62/62 transitions.
Applied a total of 0 rules in 1 ms. Remains 44 /44 variables (removed 0) and now considering 62/62 (removed 0) transitions.
[2023-03-22 20:06:43] [INFO ] Flow matrix only has 56 transitions (discarded 6 similar events)
// Phase 1: matrix 56 rows 44 cols
[2023-03-22 20:06:43] [INFO ] Computed 10 place invariants in 1 ms
[2023-03-22 20:06:43] [INFO ] Implicit Places using invariants in 46 ms returned [31]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 47 ms to find 1 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 43/44 places, 62/62 transitions.
Applied a total of 0 rules in 0 ms. Remains 43 /43 variables (removed 0) and now considering 62/62 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 49 ms. Remains : 43/44 places, 62/62 transitions.
Stuttering acceptance computed with spot in 84 ms :[true, (NOT p0), (NOT p0)]
Running random walk in product with property : LamportFastMutEx-PT-2-LTLFireability-12 automaton TGBA Formula[mat=[[{ cond=true, acceptance={0} source=0 dest: 0}], [{ cond=true, acceptance={} source=1 dest: 2}], [{ cond=(NOT p0), acceptance={} source=2 dest: 0}, { cond=p0, acceptance={} source=2 dest: 2}]], initial=1, aps=[p0:(OR (EQ s30 0) (EQ s31 0) (EQ s32 0))], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, complete, deterministic, no-univ-branch, unambiguous, semi-deterministic, stutter-sensitive, terminal, very-weak, weak, inherently-weak], stateDesc=[null, null, null][false, false, false]]
Entered a terminal (fully accepting) state of product in 29 steps with 0 reset in 0 ms.
FORMULA LamportFastMutEx-PT-2-LTLFireability-12 FALSE TECHNIQUES STUTTER_TEST
Treatment of property LamportFastMutEx-PT-2-LTLFireability-12 finished in 158 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202303021504/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(G(F(p0)))'
Support contains 2 out of 44 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 44/44 places, 62/62 transitions.
Performed 2 Post agglomeration using F-continuation condition.Transition count delta: 2
Deduced a syphon composed of 2 places in 1 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 0 with 4 rules applied. Total rules applied 4 place count 42 transition count 60
Applied a total of 4 rules in 10 ms. Remains 42 /44 variables (removed 2) and now considering 60/62 (removed 2) transitions.
[2023-03-22 20:06:43] [INFO ] Flow matrix only has 54 transitions (discarded 6 similar events)
// Phase 1: matrix 54 rows 42 cols
[2023-03-22 20:06:43] [INFO ] Computed 10 place invariants in 2 ms
[2023-03-22 20:06:43] [INFO ] Implicit Places using invariants in 43 ms returned [28, 29]
Discarding 2 places :
Implicit Place search using SMT only with invariants took 44 ms to find 2 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 40/44 places, 60/62 transitions.
Performed 2 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 0 with 2 Pre rules applied. Total rules applied 0 place count 40 transition count 58
Deduced a syphon composed of 2 places in 0 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 0 with 4 rules applied. Total rules applied 4 place count 38 transition count 58
Applied a total of 4 rules in 3 ms. Remains 38 /40 variables (removed 2) and now considering 58/60 (removed 2) transitions.
[2023-03-22 20:06:43] [INFO ] Flow matrix only has 52 transitions (discarded 6 similar events)
// Phase 1: matrix 52 rows 38 cols
[2023-03-22 20:06:43] [INFO ] Computed 8 place invariants in 1 ms
[2023-03-22 20:06:43] [INFO ] Implicit Places using invariants in 34 ms returned []
[2023-03-22 20:06:43] [INFO ] Flow matrix only has 52 transitions (discarded 6 similar events)
[2023-03-22 20:06:43] [INFO ] Invariant cache hit.
[2023-03-22 20:06:43] [INFO ] State equation strengthened by 12 read => feed constraints.
[2023-03-22 20:06:43] [INFO ] Implicit Places using invariants and state equation in 58 ms returned []
Implicit Place search using SMT with State Equation took 94 ms to find 0 implicit places.
Starting structural reductions in SI_LTL mode, iteration 2 : 38/44 places, 58/62 transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 152 ms. Remains : 38/44 places, 58/62 transitions.
Stuttering acceptance computed with spot in 77 ms :[(NOT p0), (NOT p0)]
Running random walk in product with property : LamportFastMutEx-PT-2-LTLFireability-13 automaton TGBA Formula[mat=[[{ cond=true, acceptance={} source=0 dest: 0}, { cond=(NOT p0), acceptance={} source=0 dest: 1}], [{ cond=(NOT p0), acceptance={0} source=1 dest: 1}]], initial=0, aps=[p0:(AND (EQ s9 1) (EQ s36 1))], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, no-univ-branch, stutter-invariant, very-weak, weak, inherently-weak], stateDesc=[null, null][true, true]]
Product exploration explored 100000 steps with 2244 reset in 88 ms.
Stack based approach found an accepted trace after 45 steps with 1 reset with depth 35 and stack size 35 in 0 ms.
FORMULA LamportFastMutEx-PT-2-LTLFireability-13 FALSE TECHNIQUES STACK_TEST
Treatment of property LamportFastMutEx-PT-2-LTLFireability-13 finished in 335 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202303021504/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(F(G(p0)))'
Support contains 2 out of 44 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 44/44 places, 62/62 transitions.
Performed 2 Post agglomeration using F-continuation condition.Transition count delta: 2
Deduced a syphon composed of 2 places in 0 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 0 with 4 rules applied. Total rules applied 4 place count 42 transition count 60
Applied a total of 4 rules in 5 ms. Remains 42 /44 variables (removed 2) and now considering 60/62 (removed 2) transitions.
[2023-03-22 20:06:44] [INFO ] Flow matrix only has 54 transitions (discarded 6 similar events)
// Phase 1: matrix 54 rows 42 cols
[2023-03-22 20:06:44] [INFO ] Computed 10 place invariants in 1 ms
[2023-03-22 20:06:44] [INFO ] Implicit Places using invariants in 46 ms returned [28, 29]
Discarding 2 places :
Implicit Place search using SMT only with invariants took 47 ms to find 2 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 40/44 places, 60/62 transitions.
Performed 2 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 0 with 2 Pre rules applied. Total rules applied 0 place count 40 transition count 58
Deduced a syphon composed of 2 places in 0 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 0 with 4 rules applied. Total rules applied 4 place count 38 transition count 58
Applied a total of 4 rules in 3 ms. Remains 38 /40 variables (removed 2) and now considering 58/60 (removed 2) transitions.
[2023-03-22 20:06:44] [INFO ] Flow matrix only has 52 transitions (discarded 6 similar events)
// Phase 1: matrix 52 rows 38 cols
[2023-03-22 20:06:44] [INFO ] Computed 8 place invariants in 1 ms
[2023-03-22 20:06:44] [INFO ] Implicit Places using invariants in 39 ms returned []
[2023-03-22 20:06:44] [INFO ] Flow matrix only has 52 transitions (discarded 6 similar events)
[2023-03-22 20:06:44] [INFO ] Invariant cache hit.
[2023-03-22 20:06:44] [INFO ] State equation strengthened by 12 read => feed constraints.
[2023-03-22 20:06:44] [INFO ] Implicit Places using invariants and state equation in 59 ms returned []
Implicit Place search using SMT with State Equation took 99 ms to find 0 implicit places.
Starting structural reductions in SI_LTL mode, iteration 2 : 38/44 places, 58/62 transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 156 ms. Remains : 38/44 places, 58/62 transitions.
Stuttering acceptance computed with spot in 33 ms :[(NOT p0)]
Running random walk in product with property : LamportFastMutEx-PT-2-LTLFireability-14 automaton TGBA Formula[mat=[[{ cond=p0, acceptance={} source=0 dest: 0}, { cond=(NOT p0), acceptance={0} source=0 dest: 0}]], initial=0, aps=[p0:(OR (EQ s5 0) (EQ s32 0))], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, complete, deterministic, no-univ-branch, unambiguous, semi-deterministic, stutter-invariant], stateDesc=[null][true]]
Product exploration explored 100000 steps with 0 reset in 91 ms.
Stack based approach found an accepted trace after 139 steps with 0 reset with depth 140 and stack size 70 in 0 ms.
FORMULA LamportFastMutEx-PT-2-LTLFireability-14 FALSE TECHNIQUES STACK_TEST
Treatment of property LamportFastMutEx-PT-2-LTLFireability-14 finished in 298 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202303021504/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!((p0||X(p1)))'
Support contains 3 out of 44 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 44/44 places, 62/62 transitions.
Applied a total of 0 rules in 1 ms. Remains 44 /44 variables (removed 0) and now considering 62/62 (removed 0) transitions.
[2023-03-22 20:06:44] [INFO ] Flow matrix only has 56 transitions (discarded 6 similar events)
// Phase 1: matrix 56 rows 44 cols
[2023-03-22 20:06:44] [INFO ] Computed 10 place invariants in 0 ms
[2023-03-22 20:06:44] [INFO ] Implicit Places using invariants in 50 ms returned [30, 31]
Discarding 2 places :
Implicit Place search using SMT only with invariants took 51 ms to find 2 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 42/44 places, 62/62 transitions.
Applied a total of 0 rules in 0 ms. Remains 42 /42 variables (removed 0) and now considering 62/62 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 53 ms. Remains : 42/44 places, 62/62 transitions.
Stuttering acceptance computed with spot in 72 ms :[true, (AND (NOT p0) (NOT p1)), (NOT p1)]
Running random walk in product with property : LamportFastMutEx-PT-2-LTLFireability-15 automaton TGBA Formula[mat=[[{ cond=true, acceptance={0} source=0 dest: 0}], [{ cond=(NOT p0), acceptance={} source=1 dest: 2}], [{ cond=(NOT p1), acceptance={} source=2 dest: 0}]], initial=1, aps=[p0:(AND (EQ s6 1) (EQ s34 1)), p1:(OR (AND (EQ s6 1) (EQ s34 1)) (AND (EQ s7 1) (EQ s34 1) (EQ s6 1) (EQ s34 1)))], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, deterministic, no-univ-branch, unambiguous, semi-deterministic, stutter-sensitive, terminal, very-weak, weak, inherently-weak], stateDesc=[null, null, null][false, false, false]]
Entered a terminal (fully accepting) state of product in 1 steps with 0 reset in 0 ms.
FORMULA LamportFastMutEx-PT-2-LTLFireability-15 FALSE TECHNIQUES STUTTER_TEST
Treatment of property LamportFastMutEx-PT-2-LTLFireability-15 finished in 144 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202303021504/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(X(X(F((p0||G(!p1)||((G(!p1)||(!p1&&F(!p2)))&&F(!p3))))))))'
Found a Shortening insensitive property : LamportFastMutEx-PT-2-LTLFireability-07
Stuttering acceptance computed with spot in 271 ms :[(AND (NOT p0) p1), (AND (NOT p0) p1 p2), (AND (NOT p0) p1 p3), (AND (NOT p0) p1), (AND (NOT p0) p1), (AND (NOT p0) p1)]
Support contains 18 out of 44 places. Attempting structural reductions.
Starting structural reductions in LI_LTL mode, iteration 0 : 44/44 places, 62/62 transitions.
Applied a total of 0 rules in 3 ms. Remains 44 /44 variables (removed 0) and now considering 62/62 (removed 0) transitions.
[2023-03-22 20:06:44] [INFO ] Flow matrix only has 56 transitions (discarded 6 similar events)
[2023-03-22 20:06:44] [INFO ] Invariant cache hit.
[2023-03-22 20:06:44] [INFO ] Implicit Places using invariants in 34 ms returned []
[2023-03-22 20:06:44] [INFO ] Flow matrix only has 56 transitions (discarded 6 similar events)
[2023-03-22 20:06:44] [INFO ] Invariant cache hit.
[2023-03-22 20:06:45] [INFO ] State equation strengthened by 16 read => feed constraints.
[2023-03-22 20:06:45] [INFO ] Implicit Places using invariants and state equation in 46 ms returned []
Implicit Place search using SMT with State Equation took 82 ms to find 0 implicit places.
[2023-03-22 20:06:45] [INFO ] Flow matrix only has 56 transitions (discarded 6 similar events)
[2023-03-22 20:06:45] [INFO ] Invariant cache hit.
[2023-03-22 20:06:45] [INFO ] Dead Transitions using invariants and state equation in 36 ms found 0 transitions.
Finished structural reductions in LI_LTL mode , in 1 iterations and 123 ms. Remains : 44/44 places, 62/62 transitions.
Running random walk in product with property : LamportFastMutEx-PT-2-LTLFireability-07 automaton TGBA Formula[mat=[[{ cond=(AND (NOT p0) p1), acceptance={0} source=0 dest: 0}, { cond=(AND (NOT p0) (NOT p1) p2), acceptance={} source=0 dest: 1}, { cond=(AND (NOT p0) p3 (NOT p1)), acceptance={} source=0 dest: 2}], [{ cond=(AND (NOT p0) (NOT p1) p2), acceptance={} source=1 dest: 1}, { cond=(AND (NOT p0) p1 p2), acceptance={0} source=1 dest: 1}], [{ cond=(AND (NOT p0) p3 (NOT p1)), acceptance={} source=2 dest: 2}, { cond=(AND (NOT p0) p3 p1), acceptance={0} source=2 dest: 2}], [{ cond=true, acceptance={} source=3 dest: 0}], [{ cond=true, acceptance={} source=4 dest: 3}], [{ cond=true, acceptance={} source=5 dest: 4}]], initial=5, aps=[p0:(AND (OR (EQ s8 0) (EQ s28 0) (EQ s31 0)) (OR (EQ s10 0) (EQ s29 0) (EQ s31 0)) (OR (EQ s10 0) (EQ s27 0) (EQ s30 0)) (OR (EQ s8 0) (EQ s26 0) (EQ s30 ...], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, no-univ-branch, stutter-sensitive, cl-invariant], stateDesc=[null, null, null, null, null, null][false, false, false, false, false, false]]
Product exploration explored 100000 steps with 25000 reset in 88 ms.
Product exploration explored 100000 steps with 25000 reset in 108 ms.
Computed a total of 1 stabilizing places and 2 stable transitions
Computed a total of 1 stabilizing places and 2 stable transitions
Knowledge obtained : [(AND p0 (NOT p1) (NOT p2) (NOT p3)), true]
False Knowledge obtained : []
Knowledge based reduction with 2 factoid took 107 ms. Reduced automaton from 6 states, 10 edges and 4 AP (stutter sensitive) to 6 states, 10 edges and 4 AP (stutter sensitive).
Stuttering acceptance computed with spot in 242 ms :[(AND (NOT p0) p1), (AND (NOT p0) p1 p2), (AND (NOT p0) p1 p3), (AND (NOT p0) p1), (AND (NOT p0) p1), (AND (NOT p0) p1)]
Incomplete random walk after 10000 steps, including 2 resets, run finished after 130 ms. (steps per millisecond=76 ) properties (out of 5) seen :2
Incomplete Best-First random walk after 10000 steps, including 2 resets, run finished after 49 ms. (steps per millisecond=204 ) properties (out of 3) seen :0
Incomplete Best-First random walk after 10000 steps, including 2 resets, run finished after 49 ms. (steps per millisecond=204 ) properties (out of 3) seen :0
Incomplete Best-First random walk after 10000 steps, including 2 resets, run finished after 54 ms. (steps per millisecond=185 ) properties (out of 3) seen :0
Running SMT prover for 3 properties.
[2023-03-22 20:06:45] [INFO ] Flow matrix only has 56 transitions (discarded 6 similar events)
[2023-03-22 20:06:45] [INFO ] Invariant cache hit.
[2023-03-22 20:06:45] [INFO ] [Real]Absence check using 10 positive place invariants in 1 ms returned sat
[2023-03-22 20:06:45] [INFO ] After 43ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:3
[2023-03-22 20:06:46] [INFO ] [Nat]Absence check using 10 positive place invariants in 2 ms returned sat
[2023-03-22 20:06:46] [INFO ] After 22ms SMT Verify possible using state equation in natural domain returned unsat :2 sat :1
[2023-03-22 20:06:46] [INFO ] State equation strengthened by 16 read => feed constraints.
[2023-03-22 20:06:46] [INFO ] After 8ms SMT Verify possible using 16 Read/Feed constraints in natural domain returned unsat :2 sat :1
[2023-03-22 20:06:46] [INFO ] Deduced a trap composed of 4 places in 26 ms of which 1 ms to minimize.
[2023-03-22 20:06:46] [INFO ] Deduced a trap composed of 11 places in 29 ms of which 1 ms to minimize.
[2023-03-22 20:06:46] [INFO ] Deduced a trap composed of 8 places in 26 ms of which 1 ms to minimize.
[2023-03-22 20:06:46] [INFO ] Deduced a trap composed of 13 places in 23 ms of which 0 ms to minimize.
[2023-03-22 20:06:46] [INFO ] Trap strengthening procedure managed to obtain unsat after adding 4 trap constraints in 120 ms
[2023-03-22 20:06:46] [INFO ] After 134ms SMT Verify possible using trap constraints in natural domain returned unsat :3 sat :0
[2023-03-22 20:06:46] [INFO ] After 186ms SMT Verify possible using all constraints in natural domain returned unsat :3 sat :0
Fused 3 Parikh solutions to 0 different solutions.
Parikh walk visited 0 properties in 0 ms.
Found 3 invariant AP formulas.
Knowledge obtained : [(AND p0 (NOT p1) (NOT p2) (NOT p3)), true, (G (NOT (AND (NOT p0) p1 p3))), (G (NOT (AND (NOT p0) p1 p2))), (G (NOT (AND (NOT p0) (NOT p1) p3)))]
False Knowledge obtained : [(F (AND (NOT p0) p1)), (F (AND (NOT p0) (NOT p1) p2))]
Knowledge based reduction with 5 factoid took 271 ms. Reduced automaton from 6 states, 10 edges and 4 AP (stutter sensitive) to 4 states, 4 edges and 3 AP (stutter sensitive).
Stuttering acceptance computed with spot in 285 ms :[(AND (NOT p0) p1 (NOT p3)), (AND (NOT p0) p1), (AND (NOT p0) p1 (NOT p3)), (AND (NOT p0) p1 (NOT p3))]
Stuttering acceptance computed with spot in 172 ms :[(AND (NOT p0) p1 (NOT p3)), (AND (NOT p0) p1), (AND (NOT p0) p1 (NOT p3)), (AND (NOT p0) p1 (NOT p3))]
Support contains 13 out of 44 places. Attempting structural reductions.
Property had overlarge support with respect to TGBA, discarding it for now.
Starting structural reductions in LTL mode, iteration 0 : 44/44 places, 62/62 transitions.
Applied a total of 0 rules in 1 ms. Remains 44 /44 variables (removed 0) and now considering 62/62 (removed 0) transitions.
[2023-03-22 20:06:46] [INFO ] Flow matrix only has 56 transitions (discarded 6 similar events)
[2023-03-22 20:06:46] [INFO ] Invariant cache hit.
[2023-03-22 20:06:46] [INFO ] Implicit Places using invariants in 35 ms returned []
[2023-03-22 20:06:46] [INFO ] Flow matrix only has 56 transitions (discarded 6 similar events)
[2023-03-22 20:06:46] [INFO ] Invariant cache hit.
[2023-03-22 20:06:47] [INFO ] State equation strengthened by 16 read => feed constraints.
[2023-03-22 20:06:47] [INFO ] Implicit Places using invariants and state equation in 56 ms returned []
Implicit Place search using SMT with State Equation took 93 ms to find 0 implicit places.
[2023-03-22 20:06:47] [INFO ] Flow matrix only has 56 transitions (discarded 6 similar events)
[2023-03-22 20:06:47] [INFO ] Invariant cache hit.
[2023-03-22 20:06:47] [INFO ] Dead Transitions using invariants and state equation in 38 ms found 0 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 135 ms. Remains : 44/44 places, 62/62 transitions.
Computed a total of 1 stabilizing places and 2 stable transitions
Computed a total of 1 stabilizing places and 2 stable transitions
Knowledge obtained : [(AND p0 (NOT p1) (NOT p3)), (X (OR p0 (NOT p3))), (X (X (OR p0 (NOT p3))))]
False Knowledge obtained : []
Knowledge based reduction with 3 factoid took 115 ms. Reduced automaton from 4 states, 4 edges and 3 AP (stutter sensitive) to 4 states, 4 edges and 2 AP (stutter sensitive).
Stuttering acceptance computed with spot in 135 ms :[(AND p1 (NOT p0)), (AND p1 (NOT p0)), (AND p1 (NOT p0)), (AND p1 (NOT p0))]
Finished random walk after 18 steps, including 0 resets, run visited all 1 properties in 1 ms. (steps per millisecond=18 )
Knowledge obtained : [(AND p0 (NOT p1) (NOT p3)), (X (OR p0 (NOT p3))), (X (X (OR p0 (NOT p3))))]
False Knowledge obtained : [(F (AND p1 (NOT p0)))]
Knowledge based reduction with 3 factoid took 155 ms. Reduced automaton from 4 states, 4 edges and 2 AP (stutter sensitive) to 4 states, 4 edges and 2 AP (stutter sensitive).
Stuttering acceptance computed with spot in 131 ms :[(AND p1 (NOT p0)), (AND p1 (NOT p0)), (AND p1 (NOT p0)), (AND p1 (NOT p0))]
Stuttering acceptance computed with spot in 154 ms :[(AND p1 (NOT p0)), (AND p1 (NOT p0)), (AND p1 (NOT p0)), (AND p1 (NOT p0))]
Stuttering acceptance computed with spot in 133 ms :[(AND p1 (NOT p0)), (AND p1 (NOT p0)), (AND p1 (NOT p0)), (AND p1 (NOT p0))]
Product exploration explored 100000 steps with 25000 reset in 82 ms.
Product exploration explored 100000 steps with 25000 reset in 85 ms.
Applying partial POR strategy [true, false, false, false]
Stuttering acceptance computed with spot in 156 ms :[(AND p1 (NOT p0)), (AND p1 (NOT p0)), (AND p1 (NOT p0)), (AND p1 (NOT p0))]
Support contains 12 out of 44 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 44/44 places, 62/62 transitions.
Applied a total of 0 rules in 2 ms. Remains 44 /44 variables (removed 0) and now considering 62/62 (removed 0) transitions.
[2023-03-22 20:06:48] [INFO ] Redundant transitions in 1 ms returned []
[2023-03-22 20:06:48] [INFO ] Flow matrix only has 56 transitions (discarded 6 similar events)
[2023-03-22 20:06:48] [INFO ] Invariant cache hit.
[2023-03-22 20:06:48] [INFO ] Dead Transitions using invariants and state equation in 44 ms found 0 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 56 ms. Remains : 44/44 places, 62/62 transitions.
Support contains 12 out of 44 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 44/44 places, 62/62 transitions.
Applied a total of 0 rules in 0 ms. Remains 44 /44 variables (removed 0) and now considering 62/62 (removed 0) transitions.
[2023-03-22 20:06:48] [INFO ] Flow matrix only has 56 transitions (discarded 6 similar events)
[2023-03-22 20:06:48] [INFO ] Invariant cache hit.
[2023-03-22 20:06:48] [INFO ] Implicit Places using invariants in 33 ms returned []
[2023-03-22 20:06:48] [INFO ] Flow matrix only has 56 transitions (discarded 6 similar events)
[2023-03-22 20:06:48] [INFO ] Invariant cache hit.
[2023-03-22 20:06:48] [INFO ] State equation strengthened by 16 read => feed constraints.
[2023-03-22 20:06:48] [INFO ] Implicit Places using invariants and state equation in 53 ms returned []
Implicit Place search using SMT with State Equation took 87 ms to find 0 implicit places.
[2023-03-22 20:06:48] [INFO ] Flow matrix only has 56 transitions (discarded 6 similar events)
[2023-03-22 20:06:48] [INFO ] Invariant cache hit.
[2023-03-22 20:06:48] [INFO ] Dead Transitions using invariants and state equation in 46 ms found 0 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 134 ms. Remains : 44/44 places, 62/62 transitions.
Treatment of property LamportFastMutEx-PT-2-LTLFireability-07 finished in 3940 ms.
[2023-03-22 20:06:48] [INFO ] Flatten gal took : 6 ms
[2023-03-22 20:06:48] [INFO ] Export to MCC of 1 properties in file /home/mcc/execution/LTLFireability.sr.xml took 1 ms.
[2023-03-22 20:06:48] [INFO ] Export to PNML in file /home/mcc/execution/model.sr.pnml of net with 44 places, 62 transitions and 256 arcs took 1 ms.
Total runtime 14048 ms.
There are residual formulas that ITS could not solve within timeout
pnml2lts-mc model.pnml -s80% --procs=4 --ltl=/tmp/1294/ltl_0_ --buchi-type=spotba --strategy=ufscc --ltl-semantics=spin --state=tree
Could not compute solution for formula : LamportFastMutEx-PT-2-LTLFireability-07

BK_STOP 1679515610214

--------------------
content from stderr:

+ ulimit -s 65536
+ [[ -z '' ]]
+ export LTSMIN_MEM_SIZE=8589934592
+ LTSMIN_MEM_SIZE=8589934592
+ export PYTHONPATH=/home/mcc/BenchKit/itstools/pylibs
+ PYTHONPATH=/home/mcc/BenchKit/itstools/pylibs
+ export LD_LIBRARY_PATH=/home/mcc/BenchKit/itstools/pylibs:
+ LD_LIBRARY_PATH=/home/mcc/BenchKit/itstools/pylibs:
++ sed s/.jar//
++ perl -pe 's/.*\.//g'
++ ls /home/mcc/BenchKit/bin//../reducer/bin//../../itstools//itstools/plugins/fr.lip6.move.gal.application.pnmcc_1.0.0.202303021504.jar
+ VERSION=202303021504
+ echo 'Running Version 202303021504'
+ /home/mcc/BenchKit/bin//../reducer/bin//../../itstools//itstools/its-tools -pnfolder /home/mcc/execution -examination LTLFireability -timeout 360 -rebuildPNML
mcc2023
ltl formula name LamportFastMutEx-PT-2-LTLFireability-07
ltl formula formula --ltl=/tmp/1294/ltl_0_
pnml2lts-mc: =============================================================================
pnml2lts-mc: Runtime environment could only preallocate 15 GB while requesting 240 GB.
pnml2lts-mc: Configure your system limits to exploit all memory.
pnml2lts-mc: =============================================================================
pnml2lts-mc( 0/ 4): Loading model from model.pnml
pnml2lts-mc( 0/ 4): Edge label is id
Warning: program compiled against libxml 210 using older 209
Warning: program compiled against libxml 210 using older 209
Warning: program compiled against libxml 210 using older 209
Warning: program compiled against libxml 210 using older 209
pnml2lts-mc( 0/ 4): Petri net has 44 places, 62 transitions and 256 arcs
pnml2lts-mc( 0/ 4): Petri net Petri analyzed
pnml2lts-mc( 0/ 4): There are no safe places
pnml2lts-mc( 0/ 4): Loading Petri net took 0.020 real 0.000 user 0.000 sys
pnml2lts-mc( 2/ 4): LTL layer: formula: /tmp/1294/ltl_0_
pnml2lts-mc( 1/ 4): LTL layer: formula: /tmp/1294/ltl_0_
pnml2lts-mc( 0/ 4): LTL layer: formula: /tmp/1294/ltl_0_
pnml2lts-mc( 3/ 4): LTL layer: formula: /tmp/1294/ltl_0_
pnml2lts-mc( 2/ 4), ** error **: more than 30 predicates in buchi automaton are currently not supported
*** segmentation fault ***

Please send information on how to reproduce this problem to:
ltsmin-support@lists.utwente.nl
along with all output preceding this message.
In addition, include the following information:
Package: ltsmin 3.1.0
Stack trace:
corrupted size vs. prev_size in fastbins

Sequence of Actions to be Executed by the VM

This is useful if one wants to reexecute the tool in the VM from the submitted image disk.

set -x
# this is for BenchKit: configuration of major elements for the test
export BK_INPUT="LamportFastMutEx-PT-2"
export BK_EXAMINATION="LTLFireability"
export BK_TOOL="ltsminxred"
export BK_RESULT_DIR="/tmp/BK_RESULTS/OUTPUTS"
export BK_TIME_CONFINEMENT="3600"
export BK_MEMORY_CONFINEMENT="16384"
export BK_BIN_PATH="/home/mcc/BenchKit/bin/"

# this is specific to your benchmark or test

export BIN_DIR="$HOME/BenchKit/bin"

# remove the execution directoty if it exists (to avoid increse of .vmdk images)
if [ -d execution ] ; then
rm -rf execution
fi

# this is for BenchKit: explicit launching of the test
echo "====================================================================="
echo " Generated by BenchKit 2-5348"
echo " Executing tool ltsminxred"
echo " Input is LamportFastMutEx-PT-2, examination is LTLFireability"
echo " Time confinement is $BK_TIME_CONFINEMENT seconds"
echo " Memory confinement is 16384 MBytes"
echo " Number of cores is 4"
echo " Run identifier is r233-tall-167856418800396"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/LamportFastMutEx-PT-2.tgz
mv LamportFastMutEx-PT-2 execution
cd execution
if [ "LTLFireability" = "ReachabilityDeadlock" ] || [ "LTLFireability" = "UpperBounds" ] || [ "LTLFireability" = "QuasiLiveness" ] || [ "LTLFireability" = "StableMarking" ] || [ "LTLFireability" = "Liveness" ] || [ "LTLFireability" = "OneSafe" ] || [ "LTLFireability" = "StateSpace" ]; then
rm -f GenericPropertiesVerdict.xml
fi
pwd
ls -lh

echo
echo "--------------------"
echo "content from stdout:"
echo
echo "=== Data for post analysis generated by BenchKit (invocation template)"
echo
if [ "LTLFireability" = "UpperBounds" ] ; then
echo "The expected result is a vector of positive values"
echo NUM_VECTOR
elif [ "LTLFireability" != "StateSpace" ] ; then
echo "The expected result is a vector of booleans"
echo BOOL_VECTOR
else
echo "no data necessary for post analysis"
fi
echo
if [ -f "LTLFireability.txt" ] ; then
echo "here is the order used to build the result vector(from text file)"
for x in $(grep Property LTLFireability.txt | cut -d ' ' -f 2 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ -f "LTLFireability.xml" ] ; then # for cunf (txt files deleted;-)
echo echo "here is the order used to build the result vector(from xml file)"
for x in $(grep '' LTLFireability.xml | cut -d '>' -f 2 | cut -d '<' -f 1 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ "LTLFireability" = "ReachabilityDeadlock" ] || [ "LTLFireability" = "QuasiLiveness" ] || [ "LTLFireability" = "StableMarking" ] || [ "LTLFireability" = "Liveness" ] || [ "LTLFireability" = "OneSafe" ] ; then
echo "FORMULA_NAME LTLFireability"
fi
echo
echo "=== Now, execution of the tool begins"
echo
echo -n "BK_START "
date -u +%s%3N
echo
timeout -s 9 $BK_TIME_CONFINEMENT bash -c "/home/mcc/BenchKit/BenchKit_head.sh 2> STDERR ; echo ; echo -n \"BK_STOP \" ; date -u +%s%3N"
if [ $? -eq 137 ] ; then
echo
echo "BK_TIME_CONFINEMENT_REACHED"
fi
echo
echo "--------------------"
echo "content from stderr:"
echo
cat STDERR ;