About the Execution of LoLa+red for SafeBus-COL-20
| Execution Summary | |||||
| Max Memory Used (MB) |
Time wait (ms) | CPU Usage (ms) | I/O Wait (ms) | Computed Result | Execution Status |
| 16225.688 | 1249089.00 | 1305524.00 | 17121.70 | ??F?FFF?FFFTFFFF | normal |
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.r359-smll-167891808700236.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)
........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................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=====================================================================
Generated by BenchKit 2-5348
Executing tool lolaxred
Input is SafeBus-COL-20, examination is LTLFireability
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r359-smll-167891808700236
=====================================================================
--------------------
preparation of the directory to be used:
/home/mcc/execution
total 512K
-rw-r--r-- 1 mcc users 7.0K Feb 26 02:44 CTLCardinality.txt
-rw-r--r-- 1 mcc users 74K Feb 26 02:44 CTLCardinality.xml
-rw-r--r-- 1 mcc users 4.8K Feb 26 02:35 CTLFireability.txt
-rw-r--r-- 1 mcc users 38K Feb 26 02:35 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K Jan 29 11:41 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 6.5K Jan 29 11:41 GenericPropertiesVerdict.xml
-rw-r--r-- 1 mcc users 3.6K Feb 25 16:49 LTLCardinality.txt
-rw-r--r-- 1 mcc users 24K Feb 25 16:49 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.3K Feb 25 16:49 LTLFireability.txt
-rw-r--r-- 1 mcc users 19K Feb 25 16:49 LTLFireability.xml
-rw-r--r-- 1 mcc users 13K Feb 26 04:05 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 135K Feb 26 04:05 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 9.8K Feb 26 03:59 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 82K Feb 26 03:59 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.6K Feb 25 16:49 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.6K Feb 25 16:49 UpperBounds.xml
-rw-r--r-- 1 mcc users 5 Mar 5 18:23 equiv_pt
-rw-r--r-- 1 mcc users 3 Mar 5 18:23 instance
-rw-r--r-- 1 mcc users 5 Mar 5 18:23 iscolored
-rw-r--r-- 1 mcc users 42K Mar 5 18:23 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 SafeBus-COL-20-LTLFireability-00
FORMULA_NAME SafeBus-COL-20-LTLFireability-01
FORMULA_NAME SafeBus-COL-20-LTLFireability-02
FORMULA_NAME SafeBus-COL-20-LTLFireability-03
FORMULA_NAME SafeBus-COL-20-LTLFireability-04
FORMULA_NAME SafeBus-COL-20-LTLFireability-05
FORMULA_NAME SafeBus-COL-20-LTLFireability-06
FORMULA_NAME SafeBus-COL-20-LTLFireability-07
FORMULA_NAME SafeBus-COL-20-LTLFireability-08
FORMULA_NAME SafeBus-COL-20-LTLFireability-09
FORMULA_NAME SafeBus-COL-20-LTLFireability-10
FORMULA_NAME SafeBus-COL-20-LTLFireability-11
FORMULA_NAME SafeBus-COL-20-LTLFireability-12
FORMULA_NAME SafeBus-COL-20-LTLFireability-13
FORMULA_NAME SafeBus-COL-20-LTLFireability-14
FORMULA_NAME SafeBus-COL-20-LTLFireability-15
=== Now, execution of the tool begins
BK_START 1679022128726
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=lolaxred
BK_EXAMINATION=LTLFireability
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=SafeBus-COL-20
Applying reductions before tool lola
Invoking reducer
Running Version 202303021504
[2023-03-17 03:02:11] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, LTLFireability, -timeout, 360, -rebuildPNML]
[2023-03-17 03:02:11] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2023-03-17 03:02:11] [INFO ] Detected file is not PT type :http://www.pnml.org/version-2009/grammar/symmetricnet
log4j:WARN No appenders could be found for logger (org.apache.axiom.locator.DefaultOMMetaFactoryLocator).
log4j:WARN Please initialize the log4j system properly.
log4j:WARN See http://logging.apache.org/log4j/1.2/faq.html#noconfig for more info.
[2023-03-17 03:02:12] [WARNING] Using fallBack plugin, rng conformance not checked
[2023-03-17 03:02:13] [INFO ] Load time of PNML (colored model parsed with PNMLFW) : 1222 ms
[2023-03-17 03:02:13] [INFO ] Detected 1 constant HL places corresponding to 20 PT places.
[2023-03-17 03:02:13] [INFO ] Imported 20 HL places and 14 HL transitions for a total of 1046 PT places and 179241.0 transition bindings in 44 ms.
Parsed 16 properties from file /home/mcc/execution/LTLFireability.xml in 20 ms.
Working with output stream class java.io.PrintStream
[2023-03-17 03:02:13] [INFO ] Built PT skeleton of HLPN with 20 places and 14 transitions 68 arcs in 6 ms.
[2023-03-17 03:02:13] [INFO ] Skeletonized 12 HLPN properties in 2 ms. Removed 4 properties that had guard overlaps.
Initial state reduction rules removed 1 formulas.
FORMULA SafeBus-COL-20-LTLFireability-15 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Computed a total of 3 stabilizing places and 0 stable transitions
Remains 8 properties that can be checked using skeleton over-approximation.
Reduce places removed 3 places and 0 transitions.
Computed a total of 0 stabilizing places and 0 stable transitions
Finished random walk after 90 steps, including 0 resets, run visited all 13 properties in 19 ms. (steps per millisecond=4 )
[2023-03-17 03:02:13] [INFO ] Flatten gal took : 22 ms
[2023-03-17 03:02:13] [INFO ] Flatten gal took : 6 ms
Domain [It(20), It(20)] of place AMC breaks symmetries in sort It
[2023-03-17 03:02:13] [INFO ] Unfolded HLPN to a Petri net with 1046 places and 10501 transitions 76784 arcs in 309 ms.
[2023-03-17 03:02:13] [INFO ] Unfolded 15 HLPN properties in 10 ms.
Initial state reduction rules removed 3 formulas.
[2023-03-17 03:02:13] [INFO ] Reduced 360 identical enabling conditions.
[2023-03-17 03:02:13] [INFO ] Reduced 360 identical enabling conditions.
[2023-03-17 03:02:13] [INFO ] Reduced 360 identical enabling conditions.
[2023-03-17 03:02:13] [INFO ] Reduced 360 identical enabling conditions.
[2023-03-17 03:02:13] [INFO ] Reduced 360 identical enabling conditions.
[2023-03-17 03:02:13] [INFO ] Reduced 360 identical enabling conditions.
Deduced a syphon composed of 20 places in 30 ms
Reduce places removed 40 places and 40 transitions.
FORMULA SafeBus-COL-20-LTLFireability-08 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA SafeBus-COL-20-LTLFireability-09 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA SafeBus-COL-20-LTLFireability-11 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Support contains 1005 out of 1006 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 1006/1006 places, 10461/10461 transitions.
Applied a total of 0 rules in 80 ms. Remains 1006 /1006 variables (removed 0) and now considering 10461/10461 (removed 0) transitions.
[2023-03-17 03:02:15] [INFO ] Flow matrix only has 2482 transitions (discarded 7979 similar events)
// Phase 1: matrix 2482 rows 1006 cols
[2023-03-17 03:02:15] [INFO ] Computed 85 place invariants in 285 ms
[2023-03-17 03:02:15] [INFO ] Implicit Places using invariants in 838 ms returned []
Implicit Place search using SMT only with invariants took 881 ms to find 0 implicit places.
[2023-03-17 03:02:15] [INFO ] Flow matrix only has 2482 transitions (discarded 7979 similar events)
[2023-03-17 03:02:15] [INFO ] Invariant cache hit.
[2023-03-17 03:02:25] [INFO ] Dead Transitions using invariants and state equation in 9355 ms found 400 transitions.
Found 400 dead transitions using SMT.
Drop transitions removed 400 transitions
Dead transitions reduction (with SMT) removed 400 transitions
Starting structural reductions in LTL mode, iteration 1 : 1006/1006 places, 10061/10461 transitions.
Applied a total of 0 rules in 54 ms. Remains 1006 /1006 variables (removed 0) and now considering 10061/10061 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 10387 ms. Remains : 1006/1006 places, 10061/10461 transitions.
Support contains 1005 out of 1006 places after structural reductions.
[2023-03-17 03:02:26] [INFO ] Flatten gal took : 899 ms
[2023-03-17 03:02:28] [INFO ] Flatten gal took : 640 ms
[2023-03-17 03:02:29] [INFO ] Input system was already deterministic with 10061 transitions.
Finished random walk after 52 steps, including 0 resets, run visited all 15 properties in 63 ms. (steps per millisecond=0 )
Computed a total of 0 stabilizing places and 0 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' '!((F((G(F(p0))||G(p1))) U p2))'
Support contains 80 out of 1006 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 1006/1006 places, 10061/10061 transitions.
Applied a total of 0 rules in 6592 ms. Remains 1006 /1006 variables (removed 0) and now considering 10061/10061 (removed 0) transitions.
[2023-03-17 03:02:37] [INFO ] Flow matrix only has 2482 transitions (discarded 7579 similar events)
[2023-03-17 03:02:37] [INFO ] Invariant cache hit.
[2023-03-17 03:02:42] [INFO ] Implicit Places using invariants in 4448 ms returned []
Implicit Place search using SMT only with invariants took 4451 ms to find 0 implicit places.
[2023-03-17 03:02:42] [INFO ] Flow matrix only has 2482 transitions (discarded 7579 similar events)
[2023-03-17 03:02:42] [INFO ] Invariant cache hit.
[2023-03-17 03:02:51] [INFO ] Dead Transitions using invariants and state equation in 9562 ms found 0 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 20619 ms. Remains : 1006/1006 places, 10061/10061 transitions.
Stuttering acceptance computed with spot in 321 ms :[(NOT p2), (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1))]
Running random walk in product with property : SafeBus-COL-20-LTLFireability-00 automaton TGBA Formula[mat=[[{ cond=(NOT p2), acceptance={0} source=0 dest: 0}, { cond=(NOT p2), acceptance={} source=0 dest: 1}, { cond=(AND (NOT p2) (NOT p0) (NOT p1)), acceptance={} source=0 dest: 2}], [{ cond=true, acceptance={} source=1 dest: 1}, { cond=(AND (NOT p0) (NOT p1)), acceptance={} source=1 dest: 2}], [{ cond=(AND (NOT p0) p1), acceptance={} source=2 dest: 2}, { cond=(AND (NOT p0) (NOT p1)), acceptance={0} source=2 dest: 2}]], initial=0, aps=[p2:(OR (AND (GEQ s870 1) (GEQ s931 1)) (AND (GEQ s875 1) (GEQ s936 1)) (AND (GEQ s878 1) (GEQ s939 1)) (AND (GEQ s862 1) (GEQ s923 1)) (AND (GEQ s867 1) (...], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, no-univ-branch, stutter-invariant], stateDesc=[null, null, null][true, true, true]]
Product exploration timeout after 97270 steps with 2043 reset in 10001 ms.
Product exploration timeout after 98800 steps with 2083 reset in 10001 ms.
Computed a total of 0 stabilizing places and 0 stable transitions
Computed a total of 0 stabilizing places and 0 stable transitions
Knowledge obtained : [(AND (NOT p2) (NOT p0) (NOT p1)), (X (AND (NOT p2) (NOT p0) (NOT p1))), (X (NOT p2)), (X (AND (NOT p0) (NOT p1))), (X (NOT (AND (NOT p0) p1))), true]
False Knowledge obtained : [(X (X (AND (NOT p2) (NOT p0) (NOT p1)))), (X (X (NOT (AND (NOT p2) (NOT p0) (NOT p1))))), (X (X (NOT p2))), (X (X p2)), (X (X (AND (NOT p0) (NOT p1)))), (X (X (NOT (AND (NOT p0) (NOT p1))))), (X (X (AND (NOT p0) p1))), (X (X (NOT (AND (NOT p0) p1))))]
Knowledge based reduction with 6 factoid took 488 ms. Reduced automaton from 3 states, 7 edges and 3 AP (stutter insensitive) to 3 states, 7 edges and 3 AP (stutter insensitive).
Stuttering acceptance computed with spot in 154 ms :[(NOT p2), (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1))]
Finished random walk after 11 steps, including 0 resets, run visited all 4 properties in 7 ms. (steps per millisecond=1 )
Knowledge obtained : [(AND (NOT p2) (NOT p0) (NOT p1)), (X (AND (NOT p2) (NOT p0) (NOT p1))), (X (NOT p2)), (X (AND (NOT p0) (NOT p1))), (X (NOT (AND (NOT p0) p1))), true]
False Knowledge obtained : [(X (X (AND (NOT p2) (NOT p0) (NOT p1)))), (X (X (NOT (AND (NOT p2) (NOT p0) (NOT p1))))), (X (X (NOT p2))), (X (X p2)), (X (X (AND (NOT p0) (NOT p1)))), (X (X (NOT (AND (NOT p0) (NOT p1))))), (X (X (AND (NOT p0) p1))), (X (X (NOT (AND (NOT p0) p1)))), (F (AND (NOT p0) p1)), (F p2), (F (NOT (AND (NOT p0) (NOT p1)))), (F (NOT (AND (NOT p2) (NOT p0) (NOT p1))))]
Knowledge based reduction with 6 factoid took 577 ms. Reduced automaton from 3 states, 7 edges and 3 AP (stutter insensitive) to 3 states, 7 edges and 3 AP (stutter insensitive).
Stuttering acceptance computed with spot in 163 ms :[(NOT p2), (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1))]
Stuttering acceptance computed with spot in 155 ms :[(NOT p2), (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1))]
[2023-03-17 03:03:13] [INFO ] Flow matrix only has 2482 transitions (discarded 7579 similar events)
[2023-03-17 03:03:14] [INFO ] Invariant cache hit.
Could not prove EG (NOT p2)
Support contains 80 out of 1006 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 1006/1006 places, 10061/10061 transitions.
Applied a total of 0 rules in 5648 ms. Remains 1006 /1006 variables (removed 0) and now considering 10061/10061 (removed 0) transitions.
[2023-03-17 03:03:34] [INFO ] Flow matrix only has 2482 transitions (discarded 7579 similar events)
[2023-03-17 03:03:34] [INFO ] Invariant cache hit.
[2023-03-17 03:03:38] [INFO ] Implicit Places using invariants in 3687 ms returned []
Implicit Place search using SMT only with invariants took 3689 ms to find 0 implicit places.
[2023-03-17 03:03:38] [INFO ] Flow matrix only has 2482 transitions (discarded 7579 similar events)
[2023-03-17 03:03:38] [INFO ] Invariant cache hit.
[2023-03-17 03:03:50] [INFO ] Dead Transitions using invariants and state equation in 11729 ms found 0 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 21074 ms. Remains : 1006/1006 places, 10061/10061 transitions.
Computed a total of 0 stabilizing places and 0 stable transitions
Computed a total of 0 stabilizing places and 0 stable transitions
Knowledge obtained : [(AND (NOT p2) (NOT p0) (NOT p1)), (X (AND (NOT p2) (NOT p0) (NOT p1))), (X (NOT p2)), (X (AND (NOT p0) (NOT p1))), (X (NOT (AND (NOT p0) p1))), true]
False Knowledge obtained : [(X (X (AND (NOT p2) (NOT p0) (NOT p1)))), (X (X (NOT (AND (NOT p2) (NOT p0) (NOT p1))))), (X (X (NOT p2))), (X (X p2)), (X (X (AND (NOT p0) (NOT p1)))), (X (X (NOT (AND (NOT p0) (NOT p1))))), (X (X (AND (NOT p0) p1))), (X (X (NOT (AND (NOT p0) p1))))]
Knowledge based reduction with 6 factoid took 570 ms. Reduced automaton from 3 states, 7 edges and 3 AP (stutter insensitive) to 3 states, 7 edges and 3 AP (stutter insensitive).
Stuttering acceptance computed with spot in 168 ms :[(NOT p2), (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1))]
Finished random walk after 20 steps, including 0 resets, run visited all 4 properties in 12 ms. (steps per millisecond=1 )
Knowledge obtained : [(AND (NOT p2) (NOT p0) (NOT p1)), (X (AND (NOT p2) (NOT p0) (NOT p1))), (X (NOT p2)), (X (AND (NOT p0) (NOT p1))), (X (NOT (AND (NOT p0) p1))), true]
False Knowledge obtained : [(X (X (AND (NOT p2) (NOT p0) (NOT p1)))), (X (X (NOT (AND (NOT p2) (NOT p0) (NOT p1))))), (X (X (NOT p2))), (X (X p2)), (X (X (AND (NOT p0) (NOT p1)))), (X (X (NOT (AND (NOT p0) (NOT p1))))), (X (X (AND (NOT p0) p1))), (X (X (NOT (AND (NOT p0) p1)))), (F (AND (NOT p0) p1)), (F p2), (F (NOT (AND (NOT p0) (NOT p1)))), (F (NOT (AND (NOT p2) (NOT p0) (NOT p1))))]
Knowledge based reduction with 6 factoid took 755 ms. Reduced automaton from 3 states, 7 edges and 3 AP (stutter insensitive) to 3 states, 7 edges and 3 AP (stutter insensitive).
Stuttering acceptance computed with spot in 167 ms :[(NOT p2), (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1))]
Stuttering acceptance computed with spot in 176 ms :[(NOT p2), (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1))]
[2023-03-17 03:03:52] [INFO ] Flow matrix only has 2482 transitions (discarded 7579 similar events)
[2023-03-17 03:03:52] [INFO ] Invariant cache hit.
java.lang.RuntimeException: SMT solver raised an error when submitting script. Raised (error "Failed to assert expression: java.io.IOException: Stream close...
at fr.lip6.move.gal.structural.smt.SMTUtils.execAndCheckResult(SMTUtils.java:251)
at fr.lip6.move.gal.structural.smt.DeadlockTester.verifyPossible(DeadlockTester.java:876)
at fr.lip6.move.gal.structural.smt.DeadlockTester.testEGap(DeadlockTester.java:517)
at fr.lip6.move.gal.application.solver.ltl.LTLPropertySolver.computeEGknowledge(LTLPropertySolver.java:614)
at fr.lip6.move.gal.application.solver.ltl.LTLPropertySolver.applyKnowledgeBasedReductions(LTLPropertySolver.java:580)
at fr.lip6.move.gal.application.solver.ltl.LTLPropertySolver.checkLTLProperty(LTLPropertySolver.java:261)
at fr.lip6.move.gal.application.solver.ltl.LTLPropertySolver.runStutteringLTLTest(LTLPropertySolver.java:225)
at fr.lip6.move.gal.application.solver.ltl.LTLPropertySolver.runStructuralLTLCheck(LTLPropertySolver.java:76)
at fr.lip6.move.gal.application.Application.startNoEx(Application.java:762)
at fr.lip6.move.gal.application.Application.start(Application.java:178)
at fr.lip6.move.gal.itscl.application.Application.start(Application.java:45)
at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:203)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:136)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:104)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:402)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:255)
at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:77)
at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.base/java.lang.reflect.Method.invoke(Method.java:568)
at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:659)
at org.eclipse.equinox.launcher.Main.basicRun(Main.java:596)
at org.eclipse.equinox.launcher.Main.run(Main.java:1467)
at org.eclipse.equinox.launcher.Main.main(Main.java:1440)
[2023-03-17 03:04:07] [WARNING] SMT solver failed with error :java.lang.RuntimeException: SMT solver raised an error when submitting script. Raised (error "Failed to assert expression: java.io.IOException: Stream close... while checking expression EG (NOT p2)
Could not prove EG (NOT p2)
Stuttering acceptance computed with spot in 113 ms :[(NOT p2), (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1))]
Product exploration timeout after 94140 steps with 1978 reset in 10001 ms.
Product exploration timeout after 96230 steps with 2006 reset in 10001 ms.
Support contains 80 out of 1006 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 1006/1006 places, 10061/10061 transitions.
Applied a total of 0 rules in 5836 ms. Remains 1006 /1006 variables (removed 0) and now considering 10061/10061 (removed 0) transitions.
[2023-03-17 03:04:33] [INFO ] Flow matrix only has 2482 transitions (discarded 7579 similar events)
[2023-03-17 03:04:33] [INFO ] Invariant cache hit.
[2023-03-17 03:04:37] [INFO ] Implicit Places using invariants in 4571 ms returned []
Implicit Place search using SMT only with invariants took 4572 ms to find 0 implicit places.
[2023-03-17 03:04:37] [INFO ] Flow matrix only has 2482 transitions (discarded 7579 similar events)
[2023-03-17 03:04:37] [INFO ] Invariant cache hit.
[2023-03-17 03:04:48] [INFO ] Dead Transitions using invariants and state equation in 10357 ms found 0 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 20774 ms. Remains : 1006/1006 places, 10061/10061 transitions.
Treatment of property SafeBus-COL-20-LTLFireability-00 finished in 138583 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 U p1)||X(X(F(p2)))))'
Support contains 81 out of 1006 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 1006/1006 places, 10061/10061 transitions.
Applied a total of 0 rules in 81 ms. Remains 1006 /1006 variables (removed 0) and now considering 10061/10061 (removed 0) transitions.
[2023-03-17 03:04:49] [INFO ] Flow matrix only has 2482 transitions (discarded 7579 similar events)
[2023-03-17 03:04:49] [INFO ] Invariant cache hit.
[2023-03-17 03:04:54] [INFO ] Implicit Places using invariants in 4454 ms returned []
Implicit Place search using SMT only with invariants took 4458 ms to find 0 implicit places.
[2023-03-17 03:04:54] [INFO ] Flow matrix only has 2482 transitions (discarded 7579 similar events)
[2023-03-17 03:04:54] [INFO ] Invariant cache hit.
[2023-03-17 03:05:03] [INFO ] Dead Transitions using invariants and state equation in 9074 ms found 0 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 13614 ms. Remains : 1006/1006 places, 10061/10061 transitions.
Stuttering acceptance computed with spot in 213 ms :[(NOT p2), (NOT p2), (AND (NOT p1) (NOT p2)), (AND (NOT p1) (NOT p2)), (AND (NOT p1) (NOT p2))]
Running random walk in product with property : SafeBus-COL-20-LTLFireability-01 automaton TGBA Formula[mat=[[{ cond=true, acceptance={} source=0 dest: 1}], [{ cond=(NOT p2), acceptance={0} source=1 dest: 1}], [{ cond=(AND (NOT p1) (NOT p0) (NOT p2)), acceptance={0} source=2 dest: 1}, { cond=(AND (NOT p1) p0 (NOT p2)), acceptance={0} source=2 dest: 2}], [{ cond=(AND (NOT p1) (NOT p0)), acceptance={} source=3 dest: 0}, { cond=(AND (NOT p1) p0), acceptance={} source=3 dest: 4}], [{ cond=(AND (NOT p1) (NOT p0)), acceptance={} source=4 dest: 1}, { cond=(AND (NOT p1) p0), acceptance={} source=4 dest: 2}]], initial=3, aps=[p2:(OR (AND (GEQ s948 1) (GEQ s963 1)) (AND (GEQ s953 1) (GEQ s963 1)) (AND (GEQ s943 1) (GEQ s963 1)) (AND (GEQ s958 1) (GEQ s963 1)) (AND (GEQ s955 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, null, null][false, false, false, false, false]]
Product exploration explored 100000 steps with 7154 reset in 1766 ms.
Product exploration explored 100000 steps with 7108 reset in 1543 ms.
Computed a total of 0 stabilizing places and 0 stable transitions
Computed a total of 0 stabilizing places and 0 stable transitions
Knowledge obtained : [(AND (NOT p2) (NOT p1) (NOT p0)), (X (AND (NOT p1) (NOT p0))), (X (NOT (AND (NOT p1) p0))), (X (X (NOT p2))), (X (X (NOT (AND (NOT p1) p0 (NOT p2)))))]
False Knowledge obtained : [(X (X (AND (NOT p1) (NOT p0) (NOT p2)))), (X (X (NOT (AND (NOT p1) (NOT p0) (NOT p2)))))]
Knowledge based reduction with 5 factoid took 339 ms. Reduced automaton from 5 states, 8 edges and 3 AP (stutter sensitive) to 3 states, 3 edges and 1 AP (stutter sensitive).
Stuttering acceptance computed with spot in 143 ms :[(NOT p2), (NOT p2), (NOT p2)]
Finished random walk after 19 steps, including 0 resets, run visited all 1 properties in 2 ms. (steps per millisecond=9 )
Knowledge obtained : [(AND (NOT p2) (NOT p1) (NOT p0)), (X (AND (NOT p1) (NOT p0))), (X (NOT (AND (NOT p1) p0))), (X (X (NOT p2))), (X (X (NOT (AND (NOT p1) p0 (NOT p2)))))]
False Knowledge obtained : [(X (X (AND (NOT p1) (NOT p0) (NOT p2)))), (X (X (NOT (AND (NOT p1) (NOT p0) (NOT p2))))), (F p2)]
Knowledge based reduction with 5 factoid took 244 ms. Reduced automaton from 3 states, 3 edges and 1 AP (stutter sensitive) to 3 states, 3 edges and 1 AP (stutter sensitive).
Stuttering acceptance computed with spot in 95 ms :[(NOT p2), (NOT p2), (NOT p2)]
Stuttering acceptance computed with spot in 94 ms :[(NOT p2), (NOT p2), (NOT p2)]
[2023-03-17 03:05:07] [INFO ] Flow matrix only has 2482 transitions (discarded 7579 similar events)
[2023-03-17 03:05:07] [INFO ] Invariant cache hit.
[2023-03-17 03:05:22] [INFO ] [Real]Absence check using 41 positive place invariants in 75 ms returned sat
[2023-03-17 03:05:22] [INFO ] [Real]Absence check using 41 positive and 44 generalized place invariants in 267 ms returned sat
[2023-03-17 03:05:22] [INFO ] [Real]Adding state equation constraints to refine reachable states.
java.lang.RuntimeException: SMT solver raised an error when submitting script. Raised (error "Failed to assert expression: java.io.IOException: Stream close...
at fr.lip6.move.gal.structural.smt.SMTUtils.execAndCheckResult(SMTUtils.java:251)
at fr.lip6.move.gal.structural.smt.DeadlockTester.verifyPossible(DeadlockTester.java:899)
at fr.lip6.move.gal.structural.smt.DeadlockTester.testEGap(DeadlockTester.java:517)
at fr.lip6.move.gal.application.solver.ltl.LTLPropertySolver.computeEGknowledge(LTLPropertySolver.java:614)
at fr.lip6.move.gal.application.solver.ltl.LTLPropertySolver.applyKnowledgeBasedReductions(LTLPropertySolver.java:580)
at fr.lip6.move.gal.application.solver.ltl.LTLPropertySolver.checkLTLProperty(LTLPropertySolver.java:251)
at fr.lip6.move.gal.application.solver.ltl.LTLPropertySolver.runStutteringLTLTest(LTLPropertySolver.java:225)
at fr.lip6.move.gal.application.solver.ltl.LTLPropertySolver.runStructuralLTLCheck(LTLPropertySolver.java:76)
at fr.lip6.move.gal.application.Application.startNoEx(Application.java:762)
at fr.lip6.move.gal.application.Application.start(Application.java:178)
at fr.lip6.move.gal.itscl.application.Application.start(Application.java:45)
at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:203)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:136)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:104)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:402)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:255)
at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:77)
at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.base/java.lang.reflect.Method.invoke(Method.java:568)
at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:659)
at org.eclipse.equinox.launcher.Main.basicRun(Main.java:596)
at org.eclipse.equinox.launcher.Main.run(Main.java:1467)
at org.eclipse.equinox.launcher.Main.main(Main.java:1440)
[2023-03-17 03:05:22] [WARNING] SMT solver failed with error :java.lang.RuntimeException: SMT solver raised an error when submitting script. Raised (error "Failed to assert expression: java.io.IOException: Stream close... while checking expression EG (NOT p2)
Could not prove EG (NOT p2)
Support contains 21 out of 1006 places. Attempting structural reductions.
Property had overlarge support with respect to TGBA, discarding it for now.
Starting structural reductions in LTL mode, iteration 0 : 1006/1006 places, 10061/10061 transitions.
Applied a total of 0 rules in 135 ms. Remains 1006 /1006 variables (removed 0) and now considering 10061/10061 (removed 0) transitions.
[2023-03-17 03:05:23] [INFO ] Flow matrix only has 2482 transitions (discarded 7579 similar events)
[2023-03-17 03:05:23] [INFO ] Invariant cache hit.
[2023-03-17 03:05:28] [INFO ] Implicit Places using invariants in 5245 ms returned []
Implicit Place search using SMT only with invariants took 5248 ms to find 0 implicit places.
[2023-03-17 03:05:28] [INFO ] Flow matrix only has 2482 transitions (discarded 7579 similar events)
[2023-03-17 03:05:28] [INFO ] Invariant cache hit.
[2023-03-17 03:05:36] [INFO ] Dead Transitions using invariants and state equation in 8338 ms found 0 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 13722 ms. Remains : 1006/1006 places, 10061/10061 transitions.
Computed a total of 0 stabilizing places and 0 stable transitions
Computed a total of 0 stabilizing places and 0 stable transitions
Knowledge obtained : [(NOT p2), (X (X (NOT p2)))]
False Knowledge obtained : []
Knowledge based reduction with 2 factoid took 130 ms. Reduced automaton from 3 states, 3 edges and 1 AP (stutter sensitive) to 3 states, 3 edges and 1 AP (stutter sensitive).
Stuttering acceptance computed with spot in 117 ms :[(NOT p2), (NOT p2), (NOT p2)]
Finished random walk after 4 steps, including 0 resets, run visited all 1 properties in 2 ms. (steps per millisecond=2 )
Knowledge obtained : [(NOT p2), (X (X (NOT p2)))]
False Knowledge obtained : [(F p2)]
Knowledge based reduction with 2 factoid took 148 ms. Reduced automaton from 3 states, 3 edges and 1 AP (stutter sensitive) to 3 states, 3 edges and 1 AP (stutter sensitive).
Stuttering acceptance computed with spot in 142 ms :[(NOT p2), (NOT p2), (NOT p2)]
Stuttering acceptance computed with spot in 144 ms :[(NOT p2), (NOT p2), (NOT p2)]
[2023-03-17 03:05:37] [INFO ] Flow matrix only has 2482 transitions (discarded 7579 similar events)
[2023-03-17 03:05:37] [INFO ] Invariant cache hit.
[2023-03-17 03:05:51] [INFO ] [Real]Absence check using 41 positive place invariants in 69 ms returned sat
[2023-03-17 03:05:51] [INFO ] [Real]Absence check using 41 positive and 44 generalized place invariants in 201 ms returned sat
[2023-03-17 03:05:51] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-17 03:05:52] [INFO ] [Real]Absence check using state equation in 1162 ms returned unknown
Could not prove EG (NOT p2)
Stuttering acceptance computed with spot in 99 ms :[(NOT p2), (NOT p2), (NOT p2)]
Product exploration explored 100000 steps with 7186 reset in 1504 ms.
Product exploration explored 100000 steps with 7125 reset in 1410 ms.
Applying partial POR strategy [true, false, false]
Stuttering acceptance computed with spot in 96 ms :[(NOT p2), (NOT p2), (NOT p2)]
Support contains 21 out of 1006 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 1006/1006 places, 10061/10061 transitions.
Applied a total of 0 rules in 5230 ms. Remains 1006 /1006 variables (removed 0) and now considering 10061/10061 (removed 0) transitions.
[2023-03-17 03:06:01] [INFO ] Flow matrix only has 2482 transitions (discarded 7579 similar events)
[2023-03-17 03:06:01] [INFO ] Invariant cache hit.
[2023-03-17 03:06:11] [INFO ] Dead Transitions using invariants and state equation in 10585 ms found 0 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 15819 ms. Remains : 1006/1006 places, 10061/10061 transitions.
Support contains 21 out of 1006 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 1006/1006 places, 10061/10061 transitions.
Applied a total of 0 rules in 104 ms. Remains 1006 /1006 variables (removed 0) and now considering 10061/10061 (removed 0) transitions.
[2023-03-17 03:06:11] [INFO ] Flow matrix only has 2482 transitions (discarded 7579 similar events)
[2023-03-17 03:06:11] [INFO ] Invariant cache hit.
[2023-03-17 03:06:15] [INFO ] Implicit Places using invariants in 4034 ms returned [861, 862, 863, 864, 865, 866, 867, 868, 869, 870, 871, 872, 873, 874, 875, 876, 877, 878, 879, 880]
Discarding 20 places :
Implicit Place search using SMT only with invariants took 4046 ms to find 20 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 986/1006 places, 10061/10061 transitions.
Applied a total of 0 rules in 128 ms. Remains 986 /986 variables (removed 0) and now considering 10061/10061 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 4279 ms. Remains : 986/1006 places, 10061/10061 transitions.
Treatment of property SafeBus-COL-20-LTLFireability-01 finished in 87299 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(F((p0&&X(F(p1))))))'
Support contains 61 out of 1006 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 1006/1006 places, 10061/10061 transitions.
Applied a total of 0 rules in 85 ms. Remains 1006 /1006 variables (removed 0) and now considering 10061/10061 (removed 0) transitions.
[2023-03-17 03:06:16] [INFO ] Flow matrix only has 2482 transitions (discarded 7579 similar events)
[2023-03-17 03:06:16] [INFO ] Invariant cache hit.
[2023-03-17 03:06:22] [INFO ] Implicit Places using invariants in 5387 ms returned [861, 862, 863, 864, 865, 866, 867, 868, 869, 870, 871, 872, 873, 874, 875, 876, 877, 878, 879, 880]
Discarding 20 places :
Implicit Place search using SMT only with invariants took 5406 ms to find 20 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 986/1006 places, 10061/10061 transitions.
Applied a total of 0 rules in 120 ms. Remains 986 /986 variables (removed 0) and now considering 10061/10061 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 5612 ms. Remains : 986/1006 places, 10061/10061 transitions.
Stuttering acceptance computed with spot in 160 ms :[(NOT p1), (OR (NOT p0) (NOT p1)), (OR (NOT p0) (NOT p1))]
Running random walk in product with property : SafeBus-COL-20-LTLFireability-02 automaton TGBA Formula[mat=[[{ cond=(NOT p1), acceptance={0} source=0 dest: 0}], [{ cond=true, acceptance={} source=1 dest: 2}], [{ cond=p0, acceptance={0} source=2 dest: 0}, { cond=(NOT p0), acceptance={0} source=2 dest: 2}]], initial=1, aps=[p1:(OR (AND (GEQ s76 1) (GEQ s944 1)) (AND (GEQ s71 1) (GEQ s944 1)) (AND (GEQ s64 1) (GEQ s944 1)) (AND (GEQ s61 1) (GEQ s944 1)) (AND (GEQ s78 1) (GEQ s...], 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 153 reset in 3159 ms.
Stack based approach found an accepted trace after 1934 steps with 0 reset with depth 1935 and stack size 1935 in 62 ms.
FORMULA SafeBus-COL-20-LTLFireability-02 FALSE TECHNIQUES STACK_TEST
Treatment of property SafeBus-COL-20-LTLFireability-02 finished in 9034 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(F((G(F(p1))||p0))))'
Support contains 422 out of 1006 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 1006/1006 places, 10061/10061 transitions.
Applied a total of 0 rules in 74 ms. Remains 1006 /1006 variables (removed 0) and now considering 10061/10061 (removed 0) transitions.
[2023-03-17 03:06:26] [INFO ] Flow matrix only has 2482 transitions (discarded 7579 similar events)
[2023-03-17 03:06:26] [INFO ] Invariant cache hit.
[2023-03-17 03:06:30] [INFO ] Implicit Places using invariants in 4697 ms returned [861, 862, 863, 864, 865, 866, 867, 868, 869, 870, 871, 872, 873, 874, 875, 876, 877, 878, 879, 880]
Discarding 20 places :
Implicit Place search using SMT only with invariants took 4709 ms to find 20 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 986/1006 places, 10061/10061 transitions.
Applied a total of 0 rules in 117 ms. Remains 986 /986 variables (removed 0) and now considering 10061/10061 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 4902 ms. Remains : 986/1006 places, 10061/10061 transitions.
Stuttering acceptance computed with spot in 149 ms :[(AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1))]
Running random walk in product with property : SafeBus-COL-20-LTLFireability-03 automaton TGBA Formula[mat=[[{ cond=true, acceptance={} source=0 dest: 1}], [{ cond=(NOT p0), acceptance={} source=1 dest: 1}, { cond=(AND (NOT p0) (NOT p1)), acceptance={} source=1 dest: 2}], [{ cond=(AND (NOT p0) (NOT p1)), acceptance={0} source=2 dest: 2}]], initial=0, aps=[p0:(OR (AND (GEQ s637 1) (GEQ s901 1) (GEQ s965 1)) (AND (GEQ s771 1) (GEQ s901 1) (GEQ s965 1)) (AND (GEQ s502 1) (GEQ s901 1) (GEQ s965 1)) (AND (GEQ s5...], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, no-univ-branch, stutter-sensitive], stateDesc=[null, null, null][false, false, false]]
Product exploration explored 100000 steps with 2467 reset in 5327 ms.
Product exploration explored 100000 steps with 2492 reset in 5076 ms.
Computed a total of 0 stabilizing places and 0 stable transitions
Computed a total of 0 stabilizing places and 0 stable transitions
Knowledge obtained : [(AND (NOT p0) p1), (X (NOT p0)), (X (NOT (AND (NOT p0) (NOT p1)))), (X (X (NOT p0))), (X (X (NOT (AND (NOT p0) (NOT p1)))))]
False Knowledge obtained : []
Knowledge based reduction with 5 factoid took 198 ms. Reduced automaton from 3 states, 4 edges and 2 AP (stutter sensitive) to 3 states, 4 edges and 2 AP (stutter sensitive).
Stuttering acceptance computed with spot in 111 ms :[(AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1))]
Finished random walk after 55 steps, including 0 resets, run visited all 2 properties in 8 ms. (steps per millisecond=6 )
Knowledge obtained : [(AND (NOT p0) p1), (X (NOT p0)), (X (NOT (AND (NOT p0) (NOT p1)))), (X (X (NOT p0))), (X (X (NOT (AND (NOT p0) (NOT p1)))))]
False Knowledge obtained : [(F p0), (F (AND (NOT p0) (NOT p1)))]
Knowledge based reduction with 5 factoid took 296 ms. Reduced automaton from 3 states, 4 edges and 2 AP (stutter sensitive) to 3 states, 4 edges and 2 AP (stutter sensitive).
Stuttering acceptance computed with spot in 158 ms :[(AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1))]
Stuttering acceptance computed with spot in 126 ms :[(AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1))]
Support contains 422 out of 986 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 986/986 places, 10061/10061 transitions.
Applied a total of 0 rules in 72 ms. Remains 986 /986 variables (removed 0) and now considering 10061/10061 (removed 0) transitions.
[2023-03-17 03:06:42] [INFO ] Flow matrix only has 2482 transitions (discarded 7579 similar events)
// Phase 1: matrix 2482 rows 986 cols
[2023-03-17 03:06:42] [INFO ] Computed 65 place invariants in 104 ms
[2023-03-17 03:06:45] [INFO ] Implicit Places using invariants in 3003 ms returned []
Implicit Place search using SMT only with invariants took 3005 ms to find 0 implicit places.
[2023-03-17 03:06:45] [INFO ] Flow matrix only has 2482 transitions (discarded 7579 similar events)
[2023-03-17 03:06:45] [INFO ] Invariant cache hit.
[2023-03-17 03:06:59] [INFO ] Dead Transitions using invariants and state equation in 13733 ms found 0 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 16811 ms. Remains : 986/986 places, 10061/10061 transitions.
Computed a total of 0 stabilizing places and 0 stable transitions
Computed a total of 0 stabilizing places and 0 stable transitions
Knowledge obtained : [(AND (NOT p0) p1), (X (NOT p0)), (X (NOT (AND (NOT p0) (NOT p1)))), (X (X (NOT p0))), (X (X (NOT (AND (NOT p0) (NOT p1)))))]
False Knowledge obtained : []
Knowledge based reduction with 5 factoid took 265 ms. Reduced automaton from 3 states, 4 edges and 2 AP (stutter sensitive) to 3 states, 4 edges and 2 AP (stutter sensitive).
Stuttering acceptance computed with spot in 156 ms :[(AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1))]
Finished random walk after 35 steps, including 0 resets, run visited all 2 properties in 8 ms. (steps per millisecond=4 )
Knowledge obtained : [(AND (NOT p0) p1), (X (NOT p0)), (X (NOT (AND (NOT p0) (NOT p1)))), (X (X (NOT p0))), (X (X (NOT (AND (NOT p0) (NOT p1)))))]
False Knowledge obtained : [(F p0), (F (AND (NOT p0) (NOT p1)))]
Knowledge based reduction with 5 factoid took 340 ms. Reduced automaton from 3 states, 4 edges and 2 AP (stutter sensitive) to 3 states, 4 edges and 2 AP (stutter sensitive).
Stuttering acceptance computed with spot in 161 ms :[(AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1))]
Stuttering acceptance computed with spot in 170 ms :[(AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1))]
Stuttering acceptance computed with spot in 159 ms :[(AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1))]
Product exploration explored 100000 steps with 2482 reset in 5537 ms.
Product exploration explored 100000 steps with 2456 reset in 5225 ms.
Applying partial POR strategy [false, true, true]
Stuttering acceptance computed with spot in 121 ms :[(AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1))]
Support contains 422 out of 986 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 986/986 places, 10061/10061 transitions.
Performed 20 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 0 with 20 Pre rules applied. Total rules applied 0 place count 986 transition count 10061
Deduced a syphon composed of 20 places in 3 ms
Iterating global reduction 0 with 20 rules applied. Total rules applied 20 place count 986 transition count 10061
Deduced a syphon composed of 20 places in 4 ms
Applied a total of 20 rules in 6415 ms. Remains 986 /986 variables (removed 0) and now considering 10061/10061 (removed 0) transitions.
[2023-03-17 03:07:18] [INFO ] Flow matrix only has 2482 transitions (discarded 7579 similar events)
// Phase 1: matrix 2482 rows 986 cols
[2023-03-17 03:07:18] [INFO ] Computed 65 place invariants in 90 ms
[2023-03-17 03:07:32] [INFO ] Dead Transitions using invariants and state equation in 14887 ms found 0 transitions.
Starting structural reductions in SI_LTL mode, iteration 1 : 986/986 places, 10061/10061 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 21304 ms. Remains : 986/986 places, 10061/10061 transitions.
Support contains 422 out of 986 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 986/986 places, 10061/10061 transitions.
Applied a total of 0 rules in 85 ms. Remains 986 /986 variables (removed 0) and now considering 10061/10061 (removed 0) transitions.
[2023-03-17 03:07:33] [INFO ] Flow matrix only has 2482 transitions (discarded 7579 similar events)
// Phase 1: matrix 2482 rows 986 cols
[2023-03-17 03:07:33] [INFO ] Computed 65 place invariants in 40 ms
[2023-03-17 03:07:36] [INFO ] Implicit Places using invariants in 3543 ms returned []
Implicit Place search using SMT only with invariants took 3544 ms to find 0 implicit places.
[2023-03-17 03:07:36] [INFO ] Flow matrix only has 2482 transitions (discarded 7579 similar events)
[2023-03-17 03:07:36] [INFO ] Invariant cache hit.
[2023-03-17 03:07:51] [INFO ] Dead Transitions using invariants and state equation in 15099 ms found 0 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 18731 ms. Remains : 986/986 places, 10061/10061 transitions.
Treatment of property SafeBus-COL-20-LTLFireability-03 finished in 86466 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 382 out of 1006 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 1006/1006 places, 10061/10061 transitions.
Applied a total of 0 rules in 90 ms. Remains 1006 /1006 variables (removed 0) and now considering 10061/10061 (removed 0) transitions.
[2023-03-17 03:07:52] [INFO ] Flow matrix only has 2482 transitions (discarded 7579 similar events)
// Phase 1: matrix 2482 rows 1006 cols
[2023-03-17 03:07:52] [INFO ] Computed 85 place invariants in 113 ms
[2023-03-17 03:07:55] [INFO ] Implicit Places using invariants in 3505 ms returned [861, 862, 863, 864, 865, 866, 867, 868, 869, 870, 871, 872, 873, 874, 875, 876, 877, 878, 879, 880]
Discarding 20 places :
Implicit Place search using SMT only with invariants took 3512 ms to find 20 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 986/1006 places, 10061/10061 transitions.
Applied a total of 0 rules in 82 ms. Remains 986 /986 variables (removed 0) and now considering 10061/10061 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 3686 ms. Remains : 986/1006 places, 10061/10061 transitions.
Stuttering acceptance computed with spot in 88 ms :[true, (NOT p0), (NOT p0)]
Running random walk in product with property : SafeBus-COL-20-LTLFireability-04 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 (LT s637 1) (LT s901 1) (LT s965 1)) (OR (LT s771 1) (LT s901 1) (LT s965 1)) (OR (LT s502 1) (LT s901 1) (LT s965 1)) (OR (LT s519 1) (LT s90...], 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 11 ms.
FORMULA SafeBus-COL-20-LTLFireability-04 FALSE TECHNIQUES STUTTER_TEST
Treatment of property SafeBus-COL-20-LTLFireability-04 finished in 3937 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 U (G(!p1)||(!p1&&F(!p0)))))))'
Support contains 42 out of 1006 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 1006/1006 places, 10061/10061 transitions.
Applied a total of 0 rules in 5958 ms. Remains 1006 /1006 variables (removed 0) and now considering 10061/10061 (removed 0) transitions.
[2023-03-17 03:08:02] [INFO ] Flow matrix only has 2482 transitions (discarded 7579 similar events)
[2023-03-17 03:08:02] [INFO ] Invariant cache hit.
[2023-03-17 03:08:06] [INFO ] Implicit Places using invariants in 4401 ms returned []
Implicit Place search using SMT only with invariants took 4402 ms to find 0 implicit places.
[2023-03-17 03:08:06] [INFO ] Flow matrix only has 2482 transitions (discarded 7579 similar events)
[2023-03-17 03:08:06] [INFO ] Invariant cache hit.
[2023-03-17 03:08:17] [INFO ] Dead Transitions using invariants and state equation in 10379 ms found 0 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 20741 ms. Remains : 1006/1006 places, 10061/10061 transitions.
Stuttering acceptance computed with spot in 119 ms :[p1, (AND p1 p0), p1]
Running random walk in product with property : SafeBus-COL-20-LTLFireability-05 automaton TGBA Formula[mat=[[{ cond=(OR (NOT p1) p0), acceptance={} source=0 dest: 0}, { cond=(AND p1 (NOT p0)), acceptance={0} source=0 dest: 0}, { cond=(AND p1 p0), acceptance={0} source=0 dest: 2}], [{ cond=(AND (NOT p1) p0), acceptance={} source=1 dest: 1}, { cond=(AND p1 p0), acceptance={0} source=1 dest: 1}], [{ cond=(AND p1 (NOT p0)), acceptance={0} source=2 dest: 0}, { cond=(AND (NOT p1) p0), acceptance={} source=2 dest: 1}, { cond=(AND p1 p0), acceptance={0} source=2 dest: 2}]], initial=0, aps=[p1:(OR (AND (GEQ s870 1) (GEQ s931 1)) (AND (GEQ s875 1) (GEQ s936 1)) (AND (GEQ s878 1) (GEQ s939 1)) (AND (GEQ s862 1) (GEQ s923 1)) (AND (GEQ s867 1) (...], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, no-univ-branch, stutter-invariant], stateDesc=[null, null, null][true, true, true]]
Product exploration explored 100000 steps with 0 reset in 3403 ms.
Stack based approach found an accepted trace after 3232 steps with 0 reset with depth 3233 and stack size 3233 in 107 ms.
FORMULA SafeBus-COL-20-LTLFireability-05 FALSE TECHNIQUES STACK_TEST
Treatment of property SafeBus-COL-20-LTLFireability-05 finished in 24406 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)||(p1 U G(!p2)))))'
Support contains 80 out of 1006 places. Attempting structural reductions.
Property had overlarge support with respect to TGBA, discarding it for now.
Starting structural reductions in SI_LTL mode, iteration 0 : 1006/1006 places, 10061/10061 transitions.
Applied a total of 0 rules in 8171 ms. Remains 1006 /1006 variables (removed 0) and now considering 10061/10061 (removed 0) transitions.
[2023-03-17 03:08:28] [INFO ] Flow matrix only has 2482 transitions (discarded 7579 similar events)
[2023-03-17 03:08:28] [INFO ] Invariant cache hit.
[2023-03-17 03:08:33] [INFO ] Implicit Places using invariants in 4675 ms returned []
Implicit Place search using SMT only with invariants took 4677 ms to find 0 implicit places.
[2023-03-17 03:08:33] [INFO ] Flow matrix only has 2482 transitions (discarded 7579 similar events)
[2023-03-17 03:08:33] [INFO ] Invariant cache hit.
[2023-03-17 03:08:44] [INFO ] Dead Transitions using invariants and state equation in 11014 ms found 0 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 23871 ms. Remains : 1006/1006 places, 10061/10061 transitions.
Stuttering acceptance computed with spot in 40 ms :[(AND p2 p0)]
Running random walk in product with property : SafeBus-COL-20-LTLFireability-06 automaton TGBA Formula[mat=[[{ cond=(AND (NOT p2) (NOT p0)), acceptance={} source=0 dest: 0}, { cond=(AND p2 (NOT p0)), acceptance={0} source=0 dest: 0}, { cond=(AND (NOT p2) p0), acceptance={1} source=0 dest: 0}, { cond=(AND p2 p0), acceptance={0, 1} source=0 dest: 0}]], initial=0, aps=[p2:(OR (AND (GEQ s891 1) (GEQ s952 1)) (AND (GEQ s883 1) (GEQ s944 1)) (AND (GEQ s888 1) (GEQ s949 1)) (AND (GEQ s894 1) (GEQ s955 1)) (AND (GEQ s896 1) (...], nbAcceptance=2, 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 7226 ms.
Stack based approach found an accepted trace after 2451 steps with 0 reset with depth 2452 and stack size 2452 in 174 ms.
FORMULA SafeBus-COL-20-LTLFireability-06 FALSE TECHNIQUES STACK_TEST
Treatment of property SafeBus-COL-20-LTLFireability-06 finished in 31343 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 U F(p1))||(X(!(p2 U p0)) U p3)))'
Support contains 463 out of 1006 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 1006/1006 places, 10061/10061 transitions.
Applied a total of 0 rules in 86 ms. Remains 1006 /1006 variables (removed 0) and now considering 10061/10061 (removed 0) transitions.
[2023-03-17 03:08:52] [INFO ] Flow matrix only has 2482 transitions (discarded 7579 similar events)
[2023-03-17 03:08:52] [INFO ] Invariant cache hit.
[2023-03-17 03:08:56] [INFO ] Implicit Places using invariants in 4404 ms returned []
Implicit Place search using SMT only with invariants took 4411 ms to find 0 implicit places.
[2023-03-17 03:08:56] [INFO ] Flow matrix only has 2482 transitions (discarded 7579 similar events)
[2023-03-17 03:08:56] [INFO ] Invariant cache hit.
[2023-03-17 03:09:07] [INFO ] Dead Transitions using invariants and state equation in 11187 ms found 0 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 15685 ms. Remains : 1006/1006 places, 10061/10061 transitions.
Stuttering acceptance computed with spot in 241 ms :[(AND p0 (NOT p1)), (NOT p1), (AND (NOT p1) (NOT p3)), (OR (AND (NOT p1) (NOT p3)) (AND p0 (NOT p1)))]
Running random walk in product with property : SafeBus-COL-20-LTLFireability-07 automaton TGBA Formula[mat=[[{ cond=(AND (NOT p1) p2 (NOT p0)), acceptance={} source=0 dest: 0}, { cond=(AND (NOT p1) p0), acceptance={} source=0 dest: 1}], [{ cond=(NOT p1), acceptance={0} source=1 dest: 1}], [{ cond=(AND (NOT p3) (NOT p1)), acceptance={} source=2 dest: 3}], [{ cond=(AND p3 (NOT p1) p2 (NOT p0)), acceptance={0} source=3 dest: 0}, { cond=(AND (NOT p1) p0), acceptance={0} source=3 dest: 1}, { cond=(AND (NOT p3) (NOT p1) (NOT p0)), acceptance={0} source=3 dest: 3}]], initial=2, aps=[p1:(OR (AND (GEQ s861 1) (GEQ s901 1)) (AND (GEQ s863 1) (GEQ s903 1)) (AND (GEQ s865 1) (GEQ s905 1)) (AND (GEQ s867 1) (GEQ s907 1)) (AND (GEQ s869 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, null][false, false, false, false]]
Product exploration explored 100000 steps with 4920 reset in 5167 ms.
Product exploration explored 100000 steps with 4876 reset in 4947 ms.
Computed a total of 0 stabilizing places and 0 stable transitions
Computed a total of 0 stabilizing places and 0 stable transitions
Knowledge obtained : [(AND (NOT p1) (NOT p2) (NOT p0) (NOT p3)), (X (NOT (AND p3 (NOT p1) p2 (NOT p0)))), (X (AND (NOT p3) (NOT p1) (NOT p0))), (X (NOT (AND (NOT p1) p0))), (X (X (NOT (AND p3 (NOT p1) p2 (NOT p0))))), (X (X (NOT p1))), (X (X (NOT (AND (NOT p1) p2 (NOT p0))))), (X (X (AND (NOT p3) (NOT p1) (NOT p0)))), (X (X (NOT (AND (NOT p1) p0))))]
False Knowledge obtained : []
Knowledge based reduction with 9 factoid took 393 ms. Reduced automaton from 4 states, 7 edges and 4 AP (stutter sensitive) to 4 states, 7 edges and 4 AP (stutter sensitive).
Stuttering acceptance computed with spot in 182 ms :[(AND p0 (NOT p1)), (OR (AND (NOT p1) (NOT p3)) (AND p0 (NOT p1))), (NOT p1), (OR (AND (NOT p1) (NOT p3)) (AND p0 (NOT p1)))]
Incomplete random walk after 10000 steps, including 2 resets, run finished after 587 ms. (steps per millisecond=17 ) properties (out of 5) seen :4
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 511 ms. (steps per millisecond=19 ) properties (out of 1) seen :0
Running SMT prover for 1 properties.
[2023-03-17 03:09:19] [INFO ] Flow matrix only has 2482 transitions (discarded 7579 similar events)
[2023-03-17 03:09:19] [INFO ] Invariant cache hit.
[2023-03-17 03:09:20] [INFO ] [Real]Absence check using 41 positive place invariants in 29 ms returned sat
[2023-03-17 03:09:20] [INFO ] [Real]Absence check using 41 positive and 44 generalized place invariants in 43 ms returned sat
[2023-03-17 03:09:20] [INFO ] After 304ms SMT Verify possible using all constraints in real domain returned unsat :1 sat :0
Fused 1 Parikh solutions to 0 different solutions.
Parikh walk visited 0 properties in 1 ms.
Found 1 invariant AP formulas.
Knowledge obtained : [(AND (NOT p1) (NOT p2) (NOT p0) (NOT p3)), (X (NOT (AND p3 (NOT p1) p2 (NOT p0)))), (X (AND (NOT p3) (NOT p1) (NOT p0))), (X (NOT (AND (NOT p1) p0))), (X (X (NOT (AND p3 (NOT p1) p2 (NOT p0))))), (X (X (NOT p1))), (X (X (NOT (AND (NOT p1) p2 (NOT p0))))), (X (X (AND (NOT p3) (NOT p1) (NOT p0)))), (X (X (NOT (AND (NOT p1) p0)))), (G (NOT (AND p2 p3 (NOT p0) (NOT p1))))]
False Knowledge obtained : [(F (NOT (AND (NOT p3) (NOT p0) (NOT p1)))), (F (AND p2 (NOT p0) (NOT p1))), (F p1), (F (AND p0 (NOT p1)))]
Knowledge based reduction with 10 factoid took 670 ms. Reduced automaton from 4 states, 7 edges and 4 AP (stutter sensitive) to 3 states, 4 edges and 3 AP (stutter sensitive).
Stuttering acceptance computed with spot in 156 ms :[(OR (AND (NOT p1) (NOT p3)) (AND p0 (NOT p1))), (OR (AND (NOT p1) (NOT p3)) (AND p0 (NOT p1))), (NOT p1)]
Stuttering acceptance computed with spot in 159 ms :[(OR (AND (NOT p1) (NOT p3)) (AND p0 (NOT p1))), (OR (AND (NOT p1) (NOT p3)) (AND p0 (NOT p1))), (NOT p1)]
[2023-03-17 03:09:21] [INFO ] Flow matrix only has 2482 transitions (discarded 7579 similar events)
[2023-03-17 03:09:22] [INFO ] Invariant cache hit.
[2023-03-17 03:09:35] [INFO ] [Real]Absence check using 41 positive place invariants in 171 ms returned sat
[2023-03-17 03:09:35] [INFO ] [Real]Absence check using 41 positive and 44 generalized place invariants in 289 ms returned sat
[2023-03-17 03:09:35] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-17 03:09:37] [INFO ] [Real]Absence check using state equation in 1340 ms returned unknown
Could not prove EG (AND (NOT p1) (NOT p3))
Support contains 442 out of 1006 places. Attempting structural reductions.
Property had overlarge support with respect to TGBA, discarding it for now.
Starting structural reductions in LTL mode, iteration 0 : 1006/1006 places, 10061/10061 transitions.
Applied a total of 0 rules in 188 ms. Remains 1006 /1006 variables (removed 0) and now considering 10061/10061 (removed 0) transitions.
[2023-03-17 03:09:37] [INFO ] Flow matrix only has 2482 transitions (discarded 7579 similar events)
[2023-03-17 03:09:37] [INFO ] Invariant cache hit.
[2023-03-17 03:09:41] [INFO ] Implicit Places using invariants in 4280 ms returned []
Implicit Place search using SMT only with invariants took 4287 ms to find 0 implicit places.
[2023-03-17 03:09:41] [INFO ] Flow matrix only has 2482 transitions (discarded 7579 similar events)
[2023-03-17 03:09:41] [INFO ] Invariant cache hit.
[2023-03-17 03:09:52] [INFO ] Dead Transitions using invariants and state equation in 10827 ms found 0 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 15304 ms. Remains : 1006/1006 places, 10061/10061 transitions.
Computed a total of 0 stabilizing places and 0 stable transitions
Computed a total of 0 stabilizing places and 0 stable transitions
Knowledge obtained : [(AND (NOT p1) (NOT p0) (NOT p3)), (X (NOT (AND (NOT p1) p0))), (X (AND (NOT p1) (NOT p0) (NOT p3))), (X (X (NOT p1))), (X (X (NOT (AND (NOT p1) p0)))), (X (X (AND (NOT p1) (NOT p0) (NOT p3))))]
False Knowledge obtained : []
Knowledge based reduction with 6 factoid took 221 ms. Reduced automaton from 3 states, 4 edges and 3 AP (stutter sensitive) to 3 states, 4 edges and 3 AP (stutter sensitive).
Stuttering acceptance computed with spot in 113 ms :[(OR (AND (NOT p1) (NOT p3)) (AND p0 (NOT p1))), (NOT p1), (OR (AND (NOT p1) (NOT p3)) (AND p0 (NOT p1)))]
Finished random walk after 30 steps, including 0 resets, run visited all 3 properties in 6 ms. (steps per millisecond=5 )
Knowledge obtained : [(AND (NOT p1) (NOT p0) (NOT p3)), (X (NOT (AND (NOT p1) p0))), (X (AND (NOT p1) (NOT p0) (NOT p3))), (X (X (NOT p1))), (X (X (NOT (AND (NOT p1) p0)))), (X (X (AND (NOT p1) (NOT p0) (NOT p3))))]
False Knowledge obtained : [(F p1), (F (NOT (AND (NOT p0) (NOT p1) (NOT p3)))), (F (AND p0 (NOT p1)))]
Knowledge based reduction with 6 factoid took 408 ms. Reduced automaton from 3 states, 4 edges and 3 AP (stutter sensitive) to 3 states, 4 edges and 3 AP (stutter sensitive).
Stuttering acceptance computed with spot in 138 ms :[(OR (AND (NOT p1) (NOT p3)) (AND p0 (NOT p1))), (NOT p1), (OR (AND (NOT p1) (NOT p3)) (AND p0 (NOT p1)))]
Stuttering acceptance computed with spot in 111 ms :[(OR (AND (NOT p1) (NOT p3)) (AND p0 (NOT p1))), (NOT p1), (OR (AND (NOT p1) (NOT p3)) (AND p0 (NOT p1)))]
[2023-03-17 03:09:53] [INFO ] Flow matrix only has 2482 transitions (discarded 7579 similar events)
[2023-03-17 03:09:53] [INFO ] Invariant cache hit.
[2023-03-17 03:10:05] [INFO ] [Real]Absence check using 41 positive place invariants in 182 ms returned sat
[2023-03-17 03:10:06] [INFO ] [Real]Absence check using 41 positive and 44 generalized place invariants in 307 ms returned sat
[2023-03-17 03:10:06] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-17 03:10:08] [INFO ] [Real]Absence check using state equation in 2330 ms returned unknown
Could not prove EG (AND (NOT p1) (NOT p3))
Stuttering acceptance computed with spot in 133 ms :[(OR (AND (NOT p1) (NOT p3)) (AND p0 (NOT p1))), (NOT p1), (OR (AND (NOT p1) (NOT p3)) (AND p0 (NOT p1)))]
Product exploration explored 100000 steps with 4886 reset in 5142 ms.
Product exploration explored 100000 steps with 4908 reset in 4748 ms.
Applying partial POR strategy [false, true, true]
Stuttering acceptance computed with spot in 206 ms :[(OR (AND (NOT p1) (NOT p3)) (AND p0 (NOT p1))), (NOT p1), (OR (AND (NOT p1) (NOT p3)) (AND p0 (NOT p1)))]
Support contains 442 out of 1006 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 1006/1006 places, 10061/10061 transitions.
Applied a total of 0 rules in 7994 ms. Remains 1006 /1006 variables (removed 0) and now considering 10061/10061 (removed 0) transitions.
[2023-03-17 03:10:27] [INFO ] Flow matrix only has 2482 transitions (discarded 7579 similar events)
[2023-03-17 03:10:27] [INFO ] Invariant cache hit.
[2023-03-17 03:10:37] [INFO ] Dead Transitions using invariants and state equation in 10266 ms found 0 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 18269 ms. Remains : 1006/1006 places, 10061/10061 transitions.
Support contains 442 out of 1006 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 1006/1006 places, 10061/10061 transitions.
Applied a total of 0 rules in 68 ms. Remains 1006 /1006 variables (removed 0) and now considering 10061/10061 (removed 0) transitions.
[2023-03-17 03:10:37] [INFO ] Flow matrix only has 2482 transitions (discarded 7579 similar events)
[2023-03-17 03:10:37] [INFO ] Invariant cache hit.
[2023-03-17 03:10:41] [INFO ] Implicit Places using invariants in 4487 ms returned []
Implicit Place search using SMT only with invariants took 4494 ms to find 0 implicit places.
[2023-03-17 03:10:41] [INFO ] Flow matrix only has 2482 transitions (discarded 7579 similar events)
[2023-03-17 03:10:41] [INFO ] Invariant cache hit.
[2023-03-17 03:10:53] [INFO ] Dead Transitions using invariants and state equation in 11204 ms found 0 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 15768 ms. Remains : 1006/1006 places, 10061/10061 transitions.
Treatment of property SafeBus-COL-20-LTLFireability-07 finished in 121769 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 481 out of 1006 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 1006/1006 places, 10061/10061 transitions.
Applied a total of 0 rules in 31 ms. Remains 1006 /1006 variables (removed 0) and now considering 10061/10061 (removed 0) transitions.
[2023-03-17 03:10:53] [INFO ] Flow matrix only has 2482 transitions (discarded 7579 similar events)
[2023-03-17 03:10:53] [INFO ] Invariant cache hit.
[2023-03-17 03:10:55] [INFO ] Implicit Places using invariants in 1530 ms returned [861, 862, 863, 864, 865, 866, 867, 868, 869, 870, 871, 872, 873, 874, 875, 876, 877, 878, 879, 880]
Discarding 20 places :
Implicit Place search using SMT only with invariants took 1541 ms to find 20 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 986/1006 places, 10061/10061 transitions.
Applied a total of 0 rules in 47 ms. Remains 986 /986 variables (removed 0) and now considering 10061/10061 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 1620 ms. Remains : 986/1006 places, 10061/10061 transitions.
Stuttering acceptance computed with spot in 115 ms :[true, (NOT p0), (NOT p0)]
Running random walk in product with property : SafeBus-COL-20-LTLFireability-10 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 (LT s934 1) (LT s957 1)) (OR (LT s926 1) (LT s949 1)) (OR (LT s931 1) (LT s954 1)) (OR (LT s937 1) (LT s960 1)) (OR (LT s923 1) (LT s946 1)) (...], 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 8 steps with 0 reset in 11 ms.
FORMULA SafeBus-COL-20-LTLFireability-10 FALSE TECHNIQUES STUTTER_TEST
Treatment of property SafeBus-COL-20-LTLFireability-10 finished in 1893 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((G(p0)||F(p1)))&&F(p2)))'
Support contains 62 out of 1006 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 1006/1006 places, 10061/10061 transitions.
Applied a total of 0 rules in 5622 ms. Remains 1006 /1006 variables (removed 0) and now considering 10061/10061 (removed 0) transitions.
[2023-03-17 03:11:01] [INFO ] Flow matrix only has 2482 transitions (discarded 7579 similar events)
[2023-03-17 03:11:01] [INFO ] Invariant cache hit.
[2023-03-17 03:11:06] [INFO ] Implicit Places using invariants in 4997 ms returned [861, 862, 863, 864, 865, 866, 867, 868, 869, 870, 871, 872, 873, 874, 875, 876, 877, 878, 879, 880]
Discarding 20 places :
Implicit Place search using SMT only with invariants took 5015 ms to find 20 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 986/1006 places, 10061/10061 transitions.
Performed 20 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 0 with 20 Pre rules applied. Total rules applied 0 place count 986 transition count 10041
Deduced a syphon composed of 20 places in 6 ms
Reduce places removed 20 places and 0 transitions.
Iterating global reduction 0 with 40 rules applied. Total rules applied 40 place count 966 transition count 10041
Applied a total of 40 rules in 5963 ms. Remains 966 /986 variables (removed 20) and now considering 10041/10061 (removed 20) transitions.
[2023-03-17 03:11:12] [INFO ] Flow matrix only has 2462 transitions (discarded 7579 similar events)
// Phase 1: matrix 2462 rows 966 cols
[2023-03-17 03:11:12] [INFO ] Computed 65 place invariants in 38 ms
[2023-03-17 03:11:16] [INFO ] Implicit Places using invariants in 4340 ms returned []
Implicit Place search using SMT only with invariants took 4347 ms to find 0 implicit places.
Starting structural reductions in SI_LTL mode, iteration 2 : 966/1006 places, 10041/10061 transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 20957 ms. Remains : 966/1006 places, 10041/10061 transitions.
Stuttering acceptance computed with spot in 250 ms :[(OR (NOT p2) (AND (NOT p0) (NOT p1))), (NOT p1), (AND (NOT p1) (NOT p0)), (NOT p2)]
Running random walk in product with property : SafeBus-COL-20-LTLFireability-12 automaton TGBA Formula[mat=[[{ cond=(AND (NOT p0) (NOT p1)), acceptance={} source=0 dest: 1}, { cond=true, acceptance={} source=0 dest: 2}, { cond=(NOT p2), acceptance={} source=0 dest: 3}], [{ cond=(NOT p1), acceptance={0} source=1 dest: 1}], [{ cond=(AND (NOT p0) (NOT p1)), acceptance={} source=2 dest: 1}, { cond=true, acceptance={} source=2 dest: 2}], [{ cond=(NOT p2), acceptance={0} source=3 dest: 3}]], initial=0, aps=[p0:(OR (AND (GEQ s34 1) (GEQ s868 1)) (AND (GEQ s29 1) (GEQ s863 1)) (AND (GEQ s39 1) (GEQ s873 1)) (AND (GEQ s24 1) (GEQ s874 1)) (AND (GEQ s30 1) (GEQ s...], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, no-univ-branch, stutter-invariant, very-weak, weak, inherently-weak], stateDesc=[null, null, null, null][true, true, true, true]]
Product exploration explored 100000 steps with 1795 reset in 2500 ms.
Product exploration explored 100000 steps with 1804 reset in 2218 ms.
Computed a total of 0 stabilizing places and 0 stable transitions
Computed a total of 0 stabilizing places and 0 stable transitions
Knowledge obtained : [(AND p0 (NOT p1) (NOT p2)), (X (NOT (AND (NOT p0) (NOT p1)))), (X (NOT p2)), (X (NOT p1)), true, (X (X (NOT (AND (NOT p0) (NOT p1))))), (X (X (NOT p2))), (X (X (NOT p1)))]
False Knowledge obtained : []
Knowledge based reduction with 8 factoid took 509 ms. Reduced automaton from 4 states, 7 edges and 3 AP (stutter insensitive) to 4 states, 6 edges and 3 AP (stutter sensitive).
Stuttering acceptance computed with spot in 218 ms :[(OR (NOT p2) (AND (NOT p0) (NOT p1))), (NOT p1), (AND (NOT p1) (NOT p0)), (NOT p2)]
Finished random walk after 55 steps, including 0 resets, run visited all 3 properties in 8 ms. (steps per millisecond=6 )
Knowledge obtained : [(AND p0 (NOT p1) (NOT p2)), (X (NOT (AND (NOT p0) (NOT p1)))), (X (NOT p2)), (X (NOT p1)), true, (X (X (NOT (AND (NOT p0) (NOT p1))))), (X (X (NOT p2))), (X (X (NOT p1)))]
False Knowledge obtained : [(F p1), (F p2), (F (AND (NOT p0) (NOT p1)))]
Knowledge based reduction with 8 factoid took 557 ms. Reduced automaton from 4 states, 6 edges and 3 AP (stutter sensitive) to 4 states, 6 edges and 3 AP (stutter sensitive).
Stuttering acceptance computed with spot in 216 ms :[(OR (NOT p2) (AND (NOT p0) (NOT p1))), (NOT p1), (AND (NOT p1) (NOT p0)), (NOT p2)]
Stuttering acceptance computed with spot in 210 ms :[(OR (NOT p2) (AND (NOT p0) (NOT p1))), (NOT p1), (AND (NOT p1) (NOT p0)), (NOT p2)]
[2023-03-17 03:11:23] [INFO ] Flow matrix only has 2462 transitions (discarded 7579 similar events)
[2023-03-17 03:11:23] [INFO ] Invariant cache hit.
[2023-03-17 03:11:36] [INFO ] [Real]Absence check using 24 positive place invariants in 40 ms returned sat
[2023-03-17 03:11:36] [INFO ] [Real]Absence check using 24 positive and 41 generalized place invariants in 12 ms returned unsat
Proved EG (NOT p2)
Knowledge obtained : [(AND p0 (NOT p1) (NOT p2)), (X (NOT (AND (NOT p0) (NOT p1)))), (X (NOT p2)), (X (NOT p1)), true, (X (X (NOT (AND (NOT p0) (NOT p1))))), (X (X (NOT p2))), (X (X (NOT p1)))]
False Knowledge obtained : [(F p1), (F p2), (F (AND (NOT p0) (NOT p1))), (G (NOT p2))]
Property proved to be false thanks to negative knowledge :(G (NOT p2))
Knowledge based reduction with 8 factoid took 199 ms. Reduced automaton from 4 states, 6 edges and 3 AP (stutter sensitive) to 1 states, 1 edges and 0 AP (stutter insensitive).
FORMULA SafeBus-COL-20-LTLFireability-12 FALSE TECHNIQUES KNOWLEDGE
Treatment of property SafeBus-COL-20-LTLFireability-12 finished in 41054 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 40 out of 1006 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 1006/1006 places, 10061/10061 transitions.
Applied a total of 0 rules in 5603 ms. Remains 1006 /1006 variables (removed 0) and now considering 10061/10061 (removed 0) transitions.
[2023-03-17 03:11:42] [INFO ] Flow matrix only has 2482 transitions (discarded 7579 similar events)
// Phase 1: matrix 2482 rows 1006 cols
[2023-03-17 03:11:42] [INFO ] Computed 85 place invariants in 78 ms
[2023-03-17 03:11:47] [INFO ] Implicit Places using invariants in 4606 ms returned [861, 862, 863, 864, 865, 866, 867, 868, 869, 870, 871, 872, 873, 874, 875, 876, 877, 878, 879, 880]
Discarding 20 places :
Implicit Place search using SMT only with invariants took 4621 ms to find 20 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 986/1006 places, 10061/10061 transitions.
Performed 20 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 0 with 20 Pre rules applied. Total rules applied 0 place count 986 transition count 10041
Deduced a syphon composed of 20 places in 3 ms
Reduce places removed 20 places and 0 transitions.
Iterating global reduction 0 with 40 rules applied. Total rules applied 40 place count 966 transition count 10041
Applied a total of 40 rules in 5804 ms. Remains 966 /986 variables (removed 20) and now considering 10041/10061 (removed 20) transitions.
[2023-03-17 03:11:52] [INFO ] Flow matrix only has 2462 transitions (discarded 7579 similar events)
// Phase 1: matrix 2462 rows 966 cols
[2023-03-17 03:11:52] [INFO ] Computed 65 place invariants in 55 ms
[2023-03-17 03:11:56] [INFO ] Implicit Places using invariants in 3748 ms returned []
Implicit Place search using SMT only with invariants took 3756 ms to find 0 implicit places.
Starting structural reductions in SI_LTL mode, iteration 2 : 966/1006 places, 10041/10061 transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 19785 ms. Remains : 966/1006 places, 10041/10061 transitions.
Stuttering acceptance computed with spot in 40 ms :[(NOT p0)]
Running random walk in product with property : SafeBus-COL-20-LTLFireability-13 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 (GEQ s34 1) (GEQ s868 1)) (AND (GEQ s29 1) (GEQ s863 1)) (AND (GEQ s39 1) (GEQ s873 1)) (AND (GEQ s24 1) (GEQ s874 1)) (AND (GEQ s30 1) (GEQ s...], 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 7092 ms.
Stack based approach found an accepted trace after 2306 steps with 0 reset with depth 2307 and stack size 2307 in 158 ms.
FORMULA SafeBus-COL-20-LTLFireability-13 FALSE TECHNIQUES STACK_TEST
Treatment of property SafeBus-COL-20-LTLFireability-13 finished in 27113 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((X(p1)||p0)))'
Support contains 61 out of 1006 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 1006/1006 places, 10061/10061 transitions.
Applied a total of 0 rules in 77 ms. Remains 1006 /1006 variables (removed 0) and now considering 10061/10061 (removed 0) transitions.
[2023-03-17 03:12:03] [INFO ] Flow matrix only has 2482 transitions (discarded 7579 similar events)
// Phase 1: matrix 2482 rows 1006 cols
[2023-03-17 03:12:04] [INFO ] Computed 85 place invariants in 47 ms
[2023-03-17 03:12:07] [INFO ] Implicit Places using invariants in 3871 ms returned [861, 862, 863, 864, 865, 866, 867, 868, 869, 870, 871, 872, 873, 874, 875, 876, 877, 878, 879, 880]
Discarding 20 places :
Implicit Place search using SMT only with invariants took 3879 ms to find 20 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 986/1006 places, 10061/10061 transitions.
Applied a total of 0 rules in 77 ms. Remains 986 /986 variables (removed 0) and now considering 10061/10061 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 4034 ms. Remains : 986/1006 places, 10061/10061 transitions.
Stuttering acceptance computed with spot in 84 ms :[true, (AND (NOT p0) (NOT p1)), (NOT p1)]
Running random walk in product with property : SafeBus-COL-20-LTLFireability-14 automaton TGBA Formula[mat=[[{ cond=true, acceptance={0} source=0 dest: 0}], [{ cond=p0, acceptance={} source=1 dest: 1}, { cond=(NOT p0), acceptance={} source=1 dest: 2}], [{ cond=(NOT p1), acceptance={} source=2 dest: 0}, { cond=(AND p0 p1), acceptance={} source=2 dest: 1}, { cond=(AND (NOT p0) p1), acceptance={} source=2 dest: 2}]], initial=1, aps=[p0:(OR (AND (GEQ s934 1) (GEQ s957 1)) (AND (GEQ s926 1) (GEQ s949 1)) (AND (GEQ s931 1) (GEQ s954 1)) (AND (GEQ s937 1) (GEQ s960 1)) (AND (GEQ s923 1) (...], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, complete, deterministic, no-univ-branch, unambiguous, semi-deterministic, stutter-sensitive, terminal, 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 SafeBus-COL-20-LTLFireability-14 FALSE TECHNIQUES STUTTER_TEST
Treatment of property SafeBus-COL-20-LTLFireability-14 finished in 4150 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))) U p2))'
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 U p1)||X(X(F(p2)))))'
Found a Shortening insensitive property : SafeBus-COL-20-LTLFireability-01
Stuttering acceptance computed with spot in 216 ms :[(NOT p2), (NOT p2), (AND (NOT p1) (NOT p2)), (AND (NOT p1) (NOT p2)), (AND (NOT p1) (NOT p2))]
Support contains 81 out of 1006 places. Attempting structural reductions.
Starting structural reductions in LI_LTL mode, iteration 0 : 1006/1006 places, 10061/10061 transitions.
Applied a total of 0 rules in 138 ms. Remains 1006 /1006 variables (removed 0) and now considering 10061/10061 (removed 0) transitions.
[2023-03-17 03:12:08] [INFO ] Flow matrix only has 2482 transitions (discarded 7579 similar events)
[2023-03-17 03:12:08] [INFO ] Invariant cache hit.
[2023-03-17 03:12:11] [INFO ] Implicit Places using invariants in 3161 ms returned []
Implicit Place search using SMT only with invariants took 3164 ms to find 0 implicit places.
[2023-03-17 03:12:11] [INFO ] Flow matrix only has 2482 transitions (discarded 7579 similar events)
[2023-03-17 03:12:11] [INFO ] Invariant cache hit.
[2023-03-17 03:12:22] [INFO ] Dead Transitions using invariants and state equation in 10424 ms found 0 transitions.
Finished structural reductions in LI_LTL mode , in 1 iterations and 13729 ms. Remains : 1006/1006 places, 10061/10061 transitions.
Running random walk in product with property : SafeBus-COL-20-LTLFireability-01 automaton TGBA Formula[mat=[[{ cond=true, acceptance={} source=0 dest: 1}], [{ cond=(NOT p2), acceptance={0} source=1 dest: 1}], [{ cond=(AND (NOT p1) (NOT p0) (NOT p2)), acceptance={0} source=2 dest: 1}, { cond=(AND (NOT p1) p0 (NOT p2)), acceptance={0} source=2 dest: 2}], [{ cond=(AND (NOT p1) (NOT p0)), acceptance={} source=3 dest: 0}, { cond=(AND (NOT p1) p0), acceptance={} source=3 dest: 4}], [{ cond=(AND (NOT p1) (NOT p0)), acceptance={} source=4 dest: 1}, { cond=(AND (NOT p1) p0), acceptance={} source=4 dest: 2}]], initial=3, aps=[p2:(OR (AND (GEQ s948 1) (GEQ s963 1)) (AND (GEQ s953 1) (GEQ s963 1)) (AND (GEQ s943 1) (GEQ s963 1)) (AND (GEQ s958 1) (GEQ s963 1)) (AND (GEQ s955 1) (...], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, deterministic, no-univ-branch, unambiguous, semi-deterministic, stutter-sensitive, very-weak, weak, inherently-weak, cl-invariant], stateDesc=[null, null, null, null, null][false, false, false, false, false]]
Product exploration explored 100000 steps with 7099 reset in 1433 ms.
Product exploration explored 100000 steps with 7087 reset in 1570 ms.
Computed a total of 0 stabilizing places and 0 stable transitions
Computed a total of 0 stabilizing places and 0 stable transitions
Knowledge obtained : [(AND (NOT p2) (NOT p1) (NOT p0)), (X (AND (NOT p1) (NOT p0))), (X (NOT (AND (NOT p1) p0))), (X (X (NOT p2))), (X (X (NOT (AND (NOT p1) p0 (NOT p2)))))]
False Knowledge obtained : [(X (X (AND (NOT p1) (NOT p0) (NOT p2)))), (X (X (NOT (AND (NOT p1) (NOT p0) (NOT p2)))))]
Knowledge based reduction with 5 factoid took 253 ms. Reduced automaton from 5 states, 8 edges and 3 AP (stutter sensitive) to 3 states, 3 edges and 1 AP (stutter sensitive).
Stuttering acceptance computed with spot in 103 ms :[(NOT p2), (NOT p2), (NOT p2)]
Finished random walk after 7 steps, including 0 resets, run visited all 1 properties in 2 ms. (steps per millisecond=3 )
Knowledge obtained : [(AND (NOT p2) (NOT p1) (NOT p0)), (X (AND (NOT p1) (NOT p0))), (X (NOT (AND (NOT p1) p0))), (X (X (NOT p2))), (X (X (NOT (AND (NOT p1) p0 (NOT p2)))))]
False Knowledge obtained : [(X (X (AND (NOT p1) (NOT p0) (NOT p2)))), (X (X (NOT (AND (NOT p1) (NOT p0) (NOT p2))))), (F p2)]
Knowledge based reduction with 5 factoid took 261 ms. Reduced automaton from 3 states, 3 edges and 1 AP (stutter sensitive) to 3 states, 3 edges and 1 AP (stutter sensitive).
Stuttering acceptance computed with spot in 102 ms :[(NOT p2), (NOT p2), (NOT p2)]
Stuttering acceptance computed with spot in 100 ms :[(NOT p2), (NOT p2), (NOT p2)]
[2023-03-17 03:12:26] [INFO ] Flow matrix only has 2482 transitions (discarded 7579 similar events)
[2023-03-17 03:12:26] [INFO ] Invariant cache hit.
[2023-03-17 03:12:40] [INFO ] [Real]Absence check using 41 positive place invariants in 75 ms returned sat
[2023-03-17 03:12:40] [INFO ] [Real]Absence check using 41 positive and 44 generalized place invariants in 208 ms returned sat
[2023-03-17 03:12:40] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-17 03:12:41] [INFO ] [Real]Absence check using state equation in 541 ms returned unknown
Could not prove EG (NOT p2)
Support contains 21 out of 1006 places. Attempting structural reductions.
Property had overlarge support with respect to TGBA, discarding it for now.
Starting structural reductions in LTL mode, iteration 0 : 1006/1006 places, 10061/10061 transitions.
Applied a total of 0 rules in 85 ms. Remains 1006 /1006 variables (removed 0) and now considering 10061/10061 (removed 0) transitions.
[2023-03-17 03:12:41] [INFO ] Flow matrix only has 2482 transitions (discarded 7579 similar events)
[2023-03-17 03:12:41] [INFO ] Invariant cache hit.
[2023-03-17 03:12:45] [INFO ] Implicit Places using invariants in 4198 ms returned []
Implicit Place search using SMT only with invariants took 4202 ms to find 0 implicit places.
[2023-03-17 03:12:45] [INFO ] Flow matrix only has 2482 transitions (discarded 7579 similar events)
[2023-03-17 03:12:45] [INFO ] Invariant cache hit.
[2023-03-17 03:12:56] [INFO ] Dead Transitions using invariants and state equation in 11298 ms found 0 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 15587 ms. Remains : 1006/1006 places, 10061/10061 transitions.
Computed a total of 0 stabilizing places and 0 stable transitions
Computed a total of 0 stabilizing places and 0 stable transitions
Knowledge obtained : [(NOT p2), (X (X (NOT p2)))]
False Knowledge obtained : []
Knowledge based reduction with 2 factoid took 125 ms. Reduced automaton from 3 states, 3 edges and 1 AP (stutter sensitive) to 3 states, 3 edges and 1 AP (stutter sensitive).
Stuttering acceptance computed with spot in 154 ms :[(NOT p2), (NOT p2), (NOT p2)]
Finished random walk after 16 steps, including 0 resets, run visited all 1 properties in 2 ms. (steps per millisecond=8 )
Knowledge obtained : [(NOT p2), (X (X (NOT p2)))]
False Knowledge obtained : [(F p2)]
Knowledge based reduction with 2 factoid took 153 ms. Reduced automaton from 3 states, 3 edges and 1 AP (stutter sensitive) to 3 states, 3 edges and 1 AP (stutter sensitive).
Stuttering acceptance computed with spot in 151 ms :[(NOT p2), (NOT p2), (NOT p2)]
Stuttering acceptance computed with spot in 151 ms :[(NOT p2), (NOT p2), (NOT p2)]
[2023-03-17 03:12:57] [INFO ] Flow matrix only has 2482 transitions (discarded 7579 similar events)
[2023-03-17 03:12:57] [INFO ] Invariant cache hit.
[2023-03-17 03:13:11] [INFO ] [Real]Absence check using 41 positive place invariants in 71 ms returned sat
[2023-03-17 03:13:12] [INFO ] [Real]Absence check using 41 positive and 44 generalized place invariants in 318 ms returned sat
[2023-03-17 03:13:12] [INFO ] [Real]Adding state equation constraints to refine reachable states.
java.lang.RuntimeException: SMT solver raised an error when submitting script. Raised (error "Failed to assert expression: java.io.IOException: Broken pipe ...
at fr.lip6.move.gal.structural.smt.SMTUtils.execAndCheckResult(SMTUtils.java:251)
at fr.lip6.move.gal.structural.smt.DeadlockTester.verifyPossible(DeadlockTester.java:899)
at fr.lip6.move.gal.structural.smt.DeadlockTester.testEGap(DeadlockTester.java:517)
at fr.lip6.move.gal.application.solver.ltl.LTLPropertySolver.computeEGknowledge(LTLPropertySolver.java:614)
at fr.lip6.move.gal.application.solver.ltl.LTLPropertySolver.applyKnowledgeBasedReductions(LTLPropertySolver.java:580)
at fr.lip6.move.gal.application.solver.ltl.LTLPropertySolver.checkLTLProperty(LTLPropertySolver.java:261)
at fr.lip6.move.gal.application.solver.ltl.LTLLengthAwareSolver.runSLCLLTLTest(LTLLengthAwareSolver.java:100)
at fr.lip6.move.gal.application.Application.startNoEx(Application.java:764)
at fr.lip6.move.gal.application.Application.start(Application.java:178)
at fr.lip6.move.gal.itscl.application.Application.start(Application.java:45)
at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:203)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:136)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:104)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:402)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:255)
at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:77)
at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.base/java.lang.reflect.Method.invoke(Method.java:568)
at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:659)
at org.eclipse.equinox.launcher.Main.basicRun(Main.java:596)
at org.eclipse.equinox.launcher.Main.run(Main.java:1467)
at org.eclipse.equinox.launcher.Main.main(Main.java:1440)
[2023-03-17 03:13:12] [WARNING] SMT solver failed with error :java.lang.RuntimeException: SMT solver raised an error when submitting script. Raised (error "Failed to assert expression: java.io.IOException: Broken pipe ... while checking expression EG (NOT p2)
Could not prove EG (NOT p2)
Stuttering acceptance computed with spot in 112 ms :[(NOT p2), (NOT p2), (NOT p2)]
Product exploration explored 100000 steps with 7099 reset in 1674 ms.
Product exploration explored 100000 steps with 7155 reset in 1439 ms.
Applying partial POR strategy [true, false, false]
Stuttering acceptance computed with spot in 108 ms :[(NOT p2), (NOT p2), (NOT p2)]
Support contains 21 out of 1006 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 1006/1006 places, 10061/10061 transitions.
Applied a total of 0 rules in 5119 ms. Remains 1006 /1006 variables (removed 0) and now considering 10061/10061 (removed 0) transitions.
[2023-03-17 03:13:21] [INFO ] Flow matrix only has 2482 transitions (discarded 7579 similar events)
[2023-03-17 03:13:21] [INFO ] Invariant cache hit.
[2023-03-17 03:13:31] [INFO ] Dead Transitions using invariants and state equation in 10508 ms found 0 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 15628 ms. Remains : 1006/1006 places, 10061/10061 transitions.
Support contains 21 out of 1006 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 1006/1006 places, 10061/10061 transitions.
Applied a total of 0 rules in 83 ms. Remains 1006 /1006 variables (removed 0) and now considering 10061/10061 (removed 0) transitions.
[2023-03-17 03:13:32] [INFO ] Flow matrix only has 2482 transitions (discarded 7579 similar events)
[2023-03-17 03:13:32] [INFO ] Invariant cache hit.
[2023-03-17 03:13:35] [INFO ] Implicit Places using invariants in 3484 ms returned [861, 862, 863, 864, 865, 866, 867, 868, 869, 870, 871, 872, 873, 874, 875, 876, 877, 878, 879, 880]
Discarding 20 places :
Implicit Place search using SMT only with invariants took 3492 ms to find 20 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 986/1006 places, 10061/10061 transitions.
Applied a total of 0 rules in 81 ms. Remains 986 /986 variables (removed 0) and now considering 10061/10061 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 3656 ms. Remains : 986/1006 places, 10061/10061 transitions.
Treatment of property SafeBus-COL-20-LTLFireability-01 finished in 87999 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(F((G(F(p1))||p0))))'
Found a Shortening insensitive property : SafeBus-COL-20-LTLFireability-03
Stuttering acceptance computed with spot in 105 ms :[(AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1))]
Support contains 422 out of 1006 places. Attempting structural reductions.
Starting structural reductions in LI_LTL mode, iteration 0 : 1006/1006 places, 10061/10061 transitions.
Applied a total of 0 rules in 116 ms. Remains 1006 /1006 variables (removed 0) and now considering 10061/10061 (removed 0) transitions.
[2023-03-17 03:13:36] [INFO ] Flow matrix only has 2482 transitions (discarded 7579 similar events)
[2023-03-17 03:13:36] [INFO ] Invariant cache hit.
[2023-03-17 03:13:39] [INFO ] Implicit Places using invariants in 3153 ms returned [861, 862, 863, 864, 865, 866, 867, 868, 869, 870, 871, 872, 873, 874, 875, 876, 877, 878, 879, 880]
Discarding 20 places :
Implicit Place search using SMT only with invariants took 3161 ms to find 20 implicit places.
Starting structural reductions in LI_LTL mode, iteration 1 : 986/1006 places, 10061/10061 transitions.
Performed 20 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 0 with 20 Pre rules applied. Total rules applied 0 place count 986 transition count 10041
Deduced a syphon composed of 20 places in 3 ms
Reduce places removed 20 places and 0 transitions.
Iterating global reduction 0 with 40 rules applied. Total rules applied 40 place count 966 transition count 10041
Applied a total of 40 rules in 167 ms. Remains 966 /986 variables (removed 20) and now considering 10041/10061 (removed 20) transitions.
[2023-03-17 03:13:39] [INFO ] Flow matrix only has 2462 transitions (discarded 7579 similar events)
// Phase 1: matrix 2462 rows 966 cols
[2023-03-17 03:13:39] [INFO ] Computed 65 place invariants in 50 ms
[2023-03-17 03:13:42] [INFO ] Implicit Places using invariants in 2608 ms returned []
Implicit Place search using SMT only with invariants took 2609 ms to find 0 implicit places.
Starting structural reductions in LI_LTL mode, iteration 2 : 966/1006 places, 10041/10061 transitions.
Finished structural reductions in LI_LTL mode , in 2 iterations and 6056 ms. Remains : 966/1006 places, 10041/10061 transitions.
Running random walk in product with property : SafeBus-COL-20-LTLFireability-03 automaton TGBA Formula[mat=[[{ cond=true, acceptance={} source=0 dest: 1}], [{ cond=(NOT p0), acceptance={} source=1 dest: 1}, { cond=(AND (NOT p0) (NOT p1)), acceptance={} source=1 dest: 2}], [{ cond=(AND (NOT p0) (NOT p1)), acceptance={0} source=2 dest: 2}]], initial=0, aps=[p0:(OR (AND (GEQ s637 1) (GEQ s901 1) (GEQ s945 1)) (AND (GEQ s771 1) (GEQ s901 1) (GEQ s945 1)) (AND (GEQ s502 1) (GEQ s901 1) (GEQ s945 1)) (AND (GEQ s5...], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, no-univ-branch, stutter-sensitive, cl-invariant], stateDesc=[null, null, null][false, false, false]]
Product exploration explored 100000 steps with 3152 reset in 5142 ms.
Product exploration explored 100000 steps with 3155 reset in 5221 ms.
Computed a total of 0 stabilizing places and 0 stable transitions
Computed a total of 0 stabilizing places and 0 stable transitions
Knowledge obtained : [(AND (NOT p0) p1), (X (NOT p0)), (X (NOT (AND (NOT p0) (NOT p1)))), (X (X (NOT p0))), (X (X (NOT (AND (NOT p0) (NOT p1)))))]
False Knowledge obtained : []
Knowledge based reduction with 5 factoid took 186 ms. Reduced automaton from 3 states, 4 edges and 2 AP (stutter sensitive) to 3 states, 4 edges and 2 AP (stutter sensitive).
Stuttering acceptance computed with spot in 106 ms :[(AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1))]
Finished random walk after 29 steps, including 0 resets, run visited all 2 properties in 4 ms. (steps per millisecond=7 )
Knowledge obtained : [(AND (NOT p0) p1), (X (NOT p0)), (X (NOT (AND (NOT p0) (NOT p1)))), (X (X (NOT p0))), (X (X (NOT (AND (NOT p0) (NOT p1)))))]
False Knowledge obtained : [(F p0), (F (AND (NOT p0) (NOT p1)))]
Knowledge based reduction with 5 factoid took 226 ms. Reduced automaton from 3 states, 4 edges and 2 AP (stutter sensitive) to 3 states, 4 edges and 2 AP (stutter sensitive).
Stuttering acceptance computed with spot in 103 ms :[(AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1))]
Stuttering acceptance computed with spot in 104 ms :[(AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1))]
Support contains 422 out of 966 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 966/966 places, 10041/10041 transitions.
Applied a total of 0 rules in 67 ms. Remains 966 /966 variables (removed 0) and now considering 10041/10041 (removed 0) transitions.
[2023-03-17 03:13:53] [INFO ] Flow matrix only has 2462 transitions (discarded 7579 similar events)
[2023-03-17 03:13:53] [INFO ] Invariant cache hit.
[2023-03-17 03:13:56] [INFO ] Implicit Places using invariants in 2610 ms returned []
Implicit Place search using SMT only with invariants took 2611 ms to find 0 implicit places.
[2023-03-17 03:13:56] [INFO ] Flow matrix only has 2462 transitions (discarded 7579 similar events)
[2023-03-17 03:13:56] [INFO ] Invariant cache hit.
[2023-03-17 03:14:07] [INFO ] Dead Transitions using invariants and state equation in 10741 ms found 0 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 13423 ms. Remains : 966/966 places, 10041/10041 transitions.
Computed a total of 0 stabilizing places and 0 stable transitions
Computed a total of 0 stabilizing places and 0 stable transitions
Knowledge obtained : [(AND (NOT p0) p1), (X (NOT p0)), (X (NOT (AND (NOT p0) (NOT p1)))), (X (X (NOT p0))), (X (X (NOT (AND (NOT p0) (NOT p1)))))]
False Knowledge obtained : []
Knowledge based reduction with 5 factoid took 187 ms. Reduced automaton from 3 states, 4 edges and 2 AP (stutter sensitive) to 3 states, 4 edges and 2 AP (stutter sensitive).
Stuttering acceptance computed with spot in 108 ms :[(AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1))]
Finished random walk after 38 steps, including 0 resets, run visited all 2 properties in 6 ms. (steps per millisecond=6 )
Knowledge obtained : [(AND (NOT p0) p1), (X (NOT p0)), (X (NOT (AND (NOT p0) (NOT p1)))), (X (X (NOT p0))), (X (X (NOT (AND (NOT p0) (NOT p1)))))]
False Knowledge obtained : [(F p0), (F (AND (NOT p0) (NOT p1)))]
Knowledge based reduction with 5 factoid took 234 ms. Reduced automaton from 3 states, 4 edges and 2 AP (stutter sensitive) to 3 states, 4 edges and 2 AP (stutter sensitive).
Stuttering acceptance computed with spot in 108 ms :[(AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1))]
Stuttering acceptance computed with spot in 104 ms :[(AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1))]
Stuttering acceptance computed with spot in 104 ms :[(AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1))]
Product exploration explored 100000 steps with 3159 reset in 5144 ms.
Product exploration explored 100000 steps with 3156 reset in 5201 ms.
Applying partial POR strategy [false, true, true]
Stuttering acceptance computed with spot in 108 ms :[(AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1))]
Support contains 422 out of 966 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 966/966 places, 10041/10041 transitions.
Applied a total of 0 rules in 5159 ms. Remains 966 /966 variables (removed 0) and now considering 10041/10041 (removed 0) transitions.
[2023-03-17 03:14:23] [INFO ] Flow matrix only has 2462 transitions (discarded 7579 similar events)
[2023-03-17 03:14:23] [INFO ] Invariant cache hit.
[2023-03-17 03:14:33] [INFO ] Dead Transitions using invariants and state equation in 9695 ms found 0 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 14864 ms. Remains : 966/966 places, 10041/10041 transitions.
Support contains 422 out of 966 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 966/966 places, 10041/10041 transitions.
Applied a total of 0 rules in 70 ms. Remains 966 /966 variables (removed 0) and now considering 10041/10041 (removed 0) transitions.
[2023-03-17 03:14:33] [INFO ] Flow matrix only has 2462 transitions (discarded 7579 similar events)
[2023-03-17 03:14:33] [INFO ] Invariant cache hit.
[2023-03-17 03:14:35] [INFO ] Implicit Places using invariants in 2371 ms returned []
Implicit Place search using SMT only with invariants took 2372 ms to find 0 implicit places.
[2023-03-17 03:14:35] [INFO ] Flow matrix only has 2462 transitions (discarded 7579 similar events)
[2023-03-17 03:14:35] [INFO ] Invariant cache hit.
[2023-03-17 03:14:45] [INFO ] Dead Transitions using invariants and state equation in 9465 ms found 0 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 11908 ms. Remains : 966/966 places, 10041/10041 transitions.
Treatment of property SafeBus-COL-20-LTLFireability-03 finished in 69972 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 U F(p1))||(X(!(p2 U p0)) U p3)))'
Found a Lengthening insensitive property : SafeBus-COL-20-LTLFireability-07
Stuttering acceptance computed with spot in 166 ms :[(AND p0 (NOT p1)), (NOT p1), (AND (NOT p1) (NOT p3)), (OR (AND (NOT p1) (NOT p3)) (AND p0 (NOT p1)))]
Support contains 463 out of 1006 places. Attempting structural reductions.
Starting structural reductions in LI_LTL mode, iteration 0 : 1006/1006 places, 10061/10061 transitions.
Applied a total of 0 rules in 114 ms. Remains 1006 /1006 variables (removed 0) and now considering 10061/10061 (removed 0) transitions.
[2023-03-17 03:14:46] [INFO ] Flow matrix only has 2482 transitions (discarded 7579 similar events)
// Phase 1: matrix 2482 rows 1006 cols
[2023-03-17 03:14:46] [INFO ] Computed 85 place invariants in 48 ms
[2023-03-17 03:14:49] [INFO ] Implicit Places using invariants in 3084 ms returned []
Implicit Place search using SMT only with invariants took 3085 ms to find 0 implicit places.
[2023-03-17 03:14:49] [INFO ] Flow matrix only has 2482 transitions (discarded 7579 similar events)
[2023-03-17 03:14:49] [INFO ] Invariant cache hit.
[2023-03-17 03:14:59] [INFO ] Dead Transitions using invariants and state equation in 9828 ms found 0 transitions.
Finished structural reductions in LI_LTL mode , in 1 iterations and 13029 ms. Remains : 1006/1006 places, 10061/10061 transitions.
Running random walk in product with property : SafeBus-COL-20-LTLFireability-07 automaton TGBA Formula[mat=[[{ cond=(AND (NOT p1) p2 (NOT p0)), acceptance={} source=0 dest: 0}, { cond=(AND (NOT p1) p0), acceptance={} source=0 dest: 1}], [{ cond=(NOT p1), acceptance={0} source=1 dest: 1}], [{ cond=(AND (NOT p3) (NOT p1)), acceptance={} source=2 dest: 3}], [{ cond=(AND p3 (NOT p1) p2 (NOT p0)), acceptance={0} source=3 dest: 0}, { cond=(AND (NOT p1) p0), acceptance={0} source=3 dest: 1}, { cond=(AND (NOT p3) (NOT p1) (NOT p0)), acceptance={0} source=3 dest: 3}]], initial=2, aps=[p1:(OR (AND (GEQ s861 1) (GEQ s901 1)) (AND (GEQ s863 1) (GEQ s903 1)) (AND (GEQ s865 1) (GEQ s905 1)) (AND (GEQ s867 1) (GEQ s907 1)) (AND (GEQ s869 1) (...], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, deterministic, no-univ-branch, unambiguous, semi-deterministic, stutter-sensitive, very-weak, weak, inherently-weak, sl-invariant], stateDesc=[null, null, null, null][false, false, false, false]]
Product exploration explored 100000 steps with 4901 reset in 4788 ms.
Product exploration explored 100000 steps with 4913 reset in 5093 ms.
Computed a total of 0 stabilizing places and 0 stable transitions
Computed a total of 0 stabilizing places and 0 stable transitions
Knowledge obtained : [(AND (NOT p1) (NOT p2) (NOT p0) (NOT p3)), (X (NOT (AND p3 (NOT p1) p2 (NOT p0)))), (X (AND (NOT p3) (NOT p1) (NOT p0))), (X (NOT (AND (NOT p1) p0))), (X (X (NOT (AND p3 (NOT p1) p2 (NOT p0))))), (X (X (NOT p1))), (X (X (NOT (AND (NOT p1) p2 (NOT p0))))), (X (X (AND (NOT p3) (NOT p1) (NOT p0)))), (X (X (NOT (AND (NOT p1) p0))))]
False Knowledge obtained : []
Knowledge based reduction with 9 factoid took 343 ms. Reduced automaton from 4 states, 7 edges and 4 AP (stutter sensitive) to 4 states, 7 edges and 4 AP (stutter sensitive).
Stuttering acceptance computed with spot in 167 ms :[(AND p0 (NOT p1)), (OR (AND (NOT p1) (NOT p3)) (AND p0 (NOT p1))), (NOT p1), (OR (AND (NOT p1) (NOT p3)) (AND p0 (NOT p1)))]
Incomplete random walk after 10000 steps, including 2 resets, run finished after 364 ms. (steps per millisecond=27 ) properties (out of 5) seen :4
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 513 ms. (steps per millisecond=19 ) properties (out of 1) seen :0
Running SMT prover for 1 properties.
[2023-03-17 03:15:10] [INFO ] Flow matrix only has 2482 transitions (discarded 7579 similar events)
[2023-03-17 03:15:10] [INFO ] Invariant cache hit.
[2023-03-17 03:15:11] [INFO ] [Real]Absence check using 41 positive place invariants in 26 ms returned sat
[2023-03-17 03:15:11] [INFO ] [Real]Absence check using 41 positive and 44 generalized place invariants in 43 ms returned sat
[2023-03-17 03:15:11] [INFO ] After 274ms SMT Verify possible using all constraints in real domain returned unsat :1 sat :0
Fused 1 Parikh solutions to 0 different solutions.
Parikh walk visited 0 properties in 0 ms.
Found 1 invariant AP formulas.
Knowledge obtained : [(AND (NOT p1) (NOT p2) (NOT p0) (NOT p3)), (X (NOT (AND p3 (NOT p1) p2 (NOT p0)))), (X (AND (NOT p3) (NOT p1) (NOT p0))), (X (NOT (AND (NOT p1) p0))), (X (X (NOT (AND p3 (NOT p1) p2 (NOT p0))))), (X (X (NOT p1))), (X (X (NOT (AND (NOT p1) p2 (NOT p0))))), (X (X (AND (NOT p3) (NOT p1) (NOT p0)))), (X (X (NOT (AND (NOT p1) p0)))), (G (NOT (AND p2 p3 (NOT p0) (NOT p1))))]
False Knowledge obtained : [(F (NOT (AND (NOT p3) (NOT p0) (NOT p1)))), (F (AND p2 (NOT p0) (NOT p1))), (F p1), (F (AND p0 (NOT p1)))]
Knowledge based reduction with 10 factoid took 565 ms. Reduced automaton from 4 states, 7 edges and 4 AP (stutter sensitive) to 3 states, 4 edges and 3 AP (stutter sensitive).
Stuttering acceptance computed with spot in 108 ms :[(OR (AND (NOT p1) (NOT p3)) (AND p0 (NOT p1))), (OR (AND (NOT p1) (NOT p3)) (AND p0 (NOT p1))), (NOT p1)]
Stuttering acceptance computed with spot in 155 ms :[(OR (AND (NOT p1) (NOT p3)) (AND p0 (NOT p1))), (OR (AND (NOT p1) (NOT p3)) (AND p0 (NOT p1))), (NOT p1)]
[2023-03-17 03:15:12] [INFO ] Flow matrix only has 2482 transitions (discarded 7579 similar events)
[2023-03-17 03:15:12] [INFO ] Invariant cache hit.
[2023-03-17 03:15:24] [INFO ] [Real]Absence check using 41 positive place invariants in 165 ms returned sat
[2023-03-17 03:15:24] [INFO ] [Real]Absence check using 41 positive and 44 generalized place invariants in 281 ms returned sat
[2023-03-17 03:15:24] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-17 03:15:27] [INFO ] [Real]Absence check using state equation in 2765 ms returned unknown
Could not prove EG (AND (NOT p1) (NOT p3))
Support contains 442 out of 1006 places. Attempting structural reductions.
Property had overlarge support with respect to TGBA, discarding it for now.
Starting structural reductions in LTL mode, iteration 0 : 1006/1006 places, 10061/10061 transitions.
Applied a total of 0 rules in 68 ms. Remains 1006 /1006 variables (removed 0) and now considering 10061/10061 (removed 0) transitions.
[2023-03-17 03:15:27] [INFO ] Flow matrix only has 2482 transitions (discarded 7579 similar events)
[2023-03-17 03:15:27] [INFO ] Invariant cache hit.
[2023-03-17 03:15:30] [INFO ] Implicit Places using invariants in 3073 ms returned []
Implicit Place search using SMT only with invariants took 3074 ms to find 0 implicit places.
[2023-03-17 03:15:30] [INFO ] Flow matrix only has 2482 transitions (discarded 7579 similar events)
[2023-03-17 03:15:30] [INFO ] Invariant cache hit.
[2023-03-17 03:15:40] [INFO ] Dead Transitions using invariants and state equation in 10305 ms found 0 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 13450 ms. Remains : 1006/1006 places, 10061/10061 transitions.
Computed a total of 0 stabilizing places and 0 stable transitions
Computed a total of 0 stabilizing places and 0 stable transitions
Knowledge obtained : [(AND (NOT p1) (NOT p0) (NOT p3)), (X (NOT (AND (NOT p1) p0))), (X (AND (NOT p1) (NOT p0) (NOT p3))), (X (X (NOT p1))), (X (X (NOT (AND (NOT p1) p0)))), (X (X (AND (NOT p1) (NOT p0) (NOT p3))))]
False Knowledge obtained : []
Knowledge based reduction with 6 factoid took 218 ms. Reduced automaton from 3 states, 4 edges and 3 AP (stutter sensitive) to 3 states, 4 edges and 3 AP (stutter sensitive).
Stuttering acceptance computed with spot in 114 ms :[(OR (AND (NOT p1) (NOT p3)) (AND p0 (NOT p1))), (NOT p1), (OR (AND (NOT p1) (NOT p3)) (AND p0 (NOT p1)))]
Finished random walk after 26 steps, including 0 resets, run visited all 3 properties in 6 ms. (steps per millisecond=4 )
Knowledge obtained : [(AND (NOT p1) (NOT p0) (NOT p3)), (X (NOT (AND (NOT p1) p0))), (X (AND (NOT p1) (NOT p0) (NOT p3))), (X (X (NOT p1))), (X (X (NOT (AND (NOT p1) p0)))), (X (X (AND (NOT p1) (NOT p0) (NOT p3))))]
False Knowledge obtained : [(F p1), (F (NOT (AND (NOT p0) (NOT p1) (NOT p3)))), (F (AND p0 (NOT p1)))]
Knowledge based reduction with 6 factoid took 274 ms. Reduced automaton from 3 states, 4 edges and 3 AP (stutter sensitive) to 3 states, 4 edges and 3 AP (stutter sensitive).
Stuttering acceptance computed with spot in 107 ms :[(OR (AND (NOT p1) (NOT p3)) (AND p0 (NOT p1))), (NOT p1), (OR (AND (NOT p1) (NOT p3)) (AND p0 (NOT p1)))]
Stuttering acceptance computed with spot in 110 ms :[(OR (AND (NOT p1) (NOT p3)) (AND p0 (NOT p1))), (NOT p1), (OR (AND (NOT p1) (NOT p3)) (AND p0 (NOT p1)))]
[2023-03-17 03:15:41] [INFO ] Flow matrix only has 2482 transitions (discarded 7579 similar events)
[2023-03-17 03:15:41] [INFO ] Invariant cache hit.
[2023-03-17 03:15:53] [INFO ] [Real]Absence check using 41 positive place invariants in 159 ms returned sat
[2023-03-17 03:15:53] [INFO ] [Real]Absence check using 41 positive and 44 generalized place invariants in 275 ms returned sat
[2023-03-17 03:15:53] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-17 03:15:56] [INFO ] [Real]Absence check using state equation in 3402 ms returned unknown
Could not prove EG (AND (NOT p1) (NOT p3))
Stuttering acceptance computed with spot in 115 ms :[(OR (AND (NOT p1) (NOT p3)) (AND p0 (NOT p1))), (NOT p1), (OR (AND (NOT p1) (NOT p3)) (AND p0 (NOT p1)))]
Product exploration explored 100000 steps with 4888 reset in 4480 ms.
Product exploration explored 100000 steps with 4903 reset in 4579 ms.
Applying partial POR strategy [false, true, true]
Stuttering acceptance computed with spot in 110 ms :[(OR (AND (NOT p1) (NOT p3)) (AND p0 (NOT p1))), (NOT p1), (OR (AND (NOT p1) (NOT p3)) (AND p0 (NOT p1)))]
Support contains 442 out of 1006 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 1006/1006 places, 10061/10061 transitions.
Applied a total of 0 rules in 7912 ms. Remains 1006 /1006 variables (removed 0) and now considering 10061/10061 (removed 0) transitions.
[2023-03-17 03:16:14] [INFO ] Flow matrix only has 2482 transitions (discarded 7579 similar events)
[2023-03-17 03:16:14] [INFO ] Invariant cache hit.
[2023-03-17 03:16:24] [INFO ] Dead Transitions using invariants and state equation in 10687 ms found 0 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 18604 ms. Remains : 1006/1006 places, 10061/10061 transitions.
Support contains 442 out of 1006 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 1006/1006 places, 10061/10061 transitions.
Applied a total of 0 rules in 68 ms. Remains 1006 /1006 variables (removed 0) and now considering 10061/10061 (removed 0) transitions.
[2023-03-17 03:16:25] [INFO ] Flow matrix only has 2482 transitions (discarded 7579 similar events)
[2023-03-17 03:16:25] [INFO ] Invariant cache hit.
[2023-03-17 03:16:28] [INFO ] Implicit Places using invariants in 3038 ms returned []
Implicit Place search using SMT only with invariants took 3038 ms to find 0 implicit places.
[2023-03-17 03:16:28] [INFO ] Flow matrix only has 2482 transitions (discarded 7579 similar events)
[2023-03-17 03:16:28] [INFO ] Invariant cache hit.
[2023-03-17 03:16:39] [INFO ] Dead Transitions using invariants and state equation in 11261 ms found 0 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 14367 ms. Remains : 1006/1006 places, 10061/10061 transitions.
Treatment of property SafeBus-COL-20-LTLFireability-07 finished in 113815 ms.
[2023-03-17 03:16:40] [INFO ] Flatten gal took : 537 ms
[2023-03-17 03:16:40] [INFO ] Export to MCC of 4 properties in file /home/mcc/execution/LTLFireability.sr.xml took 21 ms.
[2023-03-17 03:16:40] [INFO ] Export to PNML in file /home/mcc/execution/model.sr.pnml of net with 1006 places, 10061 transitions and 73404 arcs took 73 ms.
Total runtime 868965 ms.
There are residual formulas that ITS could not solve within timeout
starting LoLA
BK_INPUT SafeBus-COL-20
BK_EXAMINATION: LTLFireability
bin directory: /home/mcc/BenchKit/bin//../reducer/bin//../../lola/bin/
current directory: /home/mcc/execution/374
LTLFireability
BK_STOP 1679023377815
--------------------
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
lola: MEM LIMIT 32
lola: MEM LIMIT 5
lola: NET
lola: input: PNML file (--pnmlnet)
lola: reading net from /home/mcc/execution/374/model.pnml
lola: reading pnml
lola: PNML file contains place/transition net
lola: finished parsing
lola: closed net file /home/mcc/execution/374/model.pnml
lola: Reading formula.
lola: Using XML format (--xmlformula)
lola: reading XML formula
lola: reading formula from /home/mcc/execution/374/LTLFireability.xml
/home/mcc/BenchKit/bin//../reducer/bin//../../lola/bin//../BenchKit_head.sh: line 63: 2454 Killed lola --conf=$BIN_DIR/configfiles/ltlfireabilityconf --formula=$DIR/LTLFireability.xml --verdictfile=$DIR/GenericPropertiesVerdict.xml $DIR/model.pnml
Sequence of Actions to be Executed by the VM
This is useful if one wants to reexecute the tool in the VM from the submitted image disk.
set -x
# this is for BenchKit: configuration of major elements for the test
export BK_INPUT="SafeBus-COL-20"
export BK_EXAMINATION="LTLFireability"
export BK_TOOL="lolaxred"
export BK_RESULT_DIR="/tmp/BK_RESULTS/OUTPUTS"
export BK_TIME_CONFINEMENT="3600"
export BK_MEMORY_CONFINEMENT="16384"
export BK_BIN_PATH="/home/mcc/BenchKit/bin/"
# this is specific to your benchmark or test
export BIN_DIR="$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 lolaxred"
echo " Input is SafeBus-COL-20, 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 r359-smll-167891808700236"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"
tar xzf /home/mcc/BenchKit/INPUTS/SafeBus-COL-20.tgz
mv SafeBus-COL-20 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 '
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 ;