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.r325-tall-167889197000268.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 itstools
Input is RERS2020-PT-pb107, examination is LTLFireability
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r325-tall-167889197000268
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 59M
-rw-r--r-- 1 mcc users 6.9K Feb 26 08:35 CTLCardinality.txt
-rw-r--r-- 1 mcc users 73K Feb 26 08:35 CTLCardinality.xml
-rw-r--r-- 1 mcc users 6.1K Feb 26 08:30 CTLFireability.txt
-rw-r--r-- 1 mcc users 50K Feb 26 08:30 CTLFireability.xml
-rw-r--r-- 1 mcc users 3.7K Feb 25 16:40 LTLCardinality.txt
-rw-r--r-- 1 mcc users 24K Feb 25 16:40 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.7K Feb 25 16:40 LTLFireability.txt
-rw-r--r-- 1 mcc users 20K Feb 25 16:40 LTLFireability.xml
-rw-r--r-- 1 mcc users 9.4K Feb 26 08:40 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 93K Feb 26 08:40 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 10K Feb 26 08:38 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 73K Feb 26 08:38 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.7K Feb 25 16:40 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.7K Feb 25 16:40 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 Mar 5 18:23 equiv_col
-rw-r--r-- 1 mcc users 6 Mar 5 18:23 instance
-rw-r--r-- 1 mcc users 6 Mar 5 18:23 iscolored
-rw-r--r-- 1 mcc users 59M 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 RERS2020-PT-pb107-LTLFireability-00
FORMULA_NAME RERS2020-PT-pb107-LTLFireability-01
FORMULA_NAME RERS2020-PT-pb107-LTLFireability-02
FORMULA_NAME RERS2020-PT-pb107-LTLFireability-03
FORMULA_NAME RERS2020-PT-pb107-LTLFireability-04
FORMULA_NAME RERS2020-PT-pb107-LTLFireability-05
FORMULA_NAME RERS2020-PT-pb107-LTLFireability-06
FORMULA_NAME RERS2020-PT-pb107-LTLFireability-07
FORMULA_NAME RERS2020-PT-pb107-LTLFireability-08
FORMULA_NAME RERS2020-PT-pb107-LTLFireability-09
FORMULA_NAME RERS2020-PT-pb107-LTLFireability-10
FORMULA_NAME RERS2020-PT-pb107-LTLFireability-11
FORMULA_NAME RERS2020-PT-pb107-LTLFireability-12
FORMULA_NAME RERS2020-PT-pb107-LTLFireability-13
FORMULA_NAME RERS2020-PT-pb107-LTLFireability-14
FORMULA_NAME RERS2020-PT-pb107-LTLFireability-15

=== Now, execution of the tool begins

BK_START 1678998225300

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=itstools
BK_EXAMINATION=LTLFireability
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=RERS2020-PT-pb107
Not applying reductions.
Model is PT
LTLFireability PT
Running Version 202303021504
[2023-03-16 20:23:47] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, LTLFireability, -its, -ltsmin, -greatspnpath, /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/, -order, META, -manyOrder, -smt, -timeout, 3600]
[2023-03-16 20:23:47] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2023-03-16 20:23:48] [INFO ] Load time of PNML (sax parser for PT used): 1786 ms
[2023-03-16 20:23:49] [INFO ] Transformed 1382 places.
[2023-03-16 20:23:49] [INFO ] Transformed 104643 transitions.
[2023-03-16 20:23:49] [INFO ] Found NUPN structural information;
[2023-03-16 20:23:49] [INFO ] Parsed PT model containing 1382 places and 104643 transitions and 417030 arcs in 2216 ms.
Parsed 16 properties from file /home/mcc/execution/LTLFireability.xml in 28 ms.
Working with output stream class java.io.PrintStream
Initial state reduction rules removed 2 formulas.
Ensure Unique test removed 11427 transitions
Reduce redundant transitions removed 11427 transitions.
FORMULA RERS2020-PT-pb107-LTLFireability-06 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA RERS2020-PT-pb107-LTLFireability-13 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Support contains 66 out of 1382 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 1382/1382 places, 93216/93216 transitions.
Ensure Unique test removed 12 places
Reduce places removed 13 places and 0 transitions.
Iterating post reduction 0 with 13 rules applied. Total rules applied 13 place count 1369 transition count 93216
Applied a total of 13 rules in 396 ms. Remains 1369 /1382 variables (removed 13) and now considering 93216/93216 (removed 0) transitions.
[2023-03-16 20:23:50] [INFO ] Flow matrix only has 62870 transitions (discarded 30346 similar events)
// Phase 1: matrix 62870 rows 1369 cols
[2023-03-16 20:23:51] [INFO ] Computed 12 place invariants in 405 ms
[2023-03-16 20:23:54] [INFO ] Implicit Places using invariants in 3834 ms returned []
Implicit Place search using SMT only with invariants took 3873 ms to find 0 implicit places.
[2023-03-16 20:23:54] [INFO ] Flow matrix only has 62870 transitions (discarded 30346 similar events)
[2023-03-16 20:23:54] [INFO ] Invariant cache hit.
[2023-03-16 20:24:24] [INFO ] Performed 81544/93216 'is it Dead' test of which 0 returned DEAD in 30 seconds.
[2023-03-16 20:24:29] [INFO ] Dead Transitions using invariants and state equation in 34523 ms found 0 transitions.
Starting structural reductions in LTL mode, iteration 1 : 1369/1382 places, 93216/93216 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 38804 ms. Remains : 1369/1382 places, 93216/93216 transitions.
Support contains 66 out of 1369 places after structural reductions.
[2023-03-16 20:24:32] [INFO ] Flatten gal took : 2460 ms
[2023-03-16 20:24:34] [INFO ] Flatten gal took : 2334 ms
[2023-03-16 20:24:39] [INFO ] Input system was already deterministic with 93216 transitions.
Support contains 62 out of 1369 places (down from 66) after GAL structural reductions.
Incomplete random walk after 10000 steps, including 3 resets, run finished after 982 ms. (steps per millisecond=10 ) properties (out of 31) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 17 ms. (steps per millisecond=58 ) properties (out of 31) seen :0
Incomplete Best-First random walk after 1000 steps, including 2 resets, run finished after 21 ms. (steps per millisecond=47 ) properties (out of 31) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 15 ms. (steps per millisecond=66 ) properties (out of 31) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 17 ms. (steps per millisecond=58 ) properties (out of 31) seen :0
Incomplete Best-First random walk after 1000 steps, including 2 resets, run finished after 16 ms. (steps per millisecond=62 ) properties (out of 31) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 16 ms. (steps per millisecond=62 ) properties (out of 31) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 16 ms. (steps per millisecond=62 ) properties (out of 31) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 15 ms. (steps per millisecond=66 ) properties (out of 31) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 15 ms. (steps per millisecond=66 ) properties (out of 31) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 16 ms. (steps per millisecond=62 ) properties (out of 31) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 14 ms. (steps per millisecond=71 ) properties (out of 31) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 13 ms. (steps per millisecond=77 ) properties (out of 31) seen :0
Incomplete Best-First random walk after 1000 steps, including 2 resets, run finished after 14 ms. (steps per millisecond=71 ) properties (out of 31) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 15 ms. (steps per millisecond=66 ) properties (out of 31) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 15 ms. (steps per millisecond=66 ) properties (out of 31) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 14 ms. (steps per millisecond=71 ) properties (out of 31) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 14 ms. (steps per millisecond=71 ) properties (out of 31) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 14 ms. (steps per millisecond=71 ) properties (out of 31) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 14 ms. (steps per millisecond=71 ) properties (out of 31) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 15 ms. (steps per millisecond=66 ) properties (out of 31) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 15 ms. (steps per millisecond=66 ) properties (out of 31) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 15 ms. (steps per millisecond=66 ) properties (out of 31) seen :0
Incomplete Best-First random walk after 1000 steps, including 2 resets, run finished after 15 ms. (steps per millisecond=66 ) properties (out of 31) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 14 ms. (steps per millisecond=71 ) properties (out of 31) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 14 ms. (steps per millisecond=71 ) properties (out of 31) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 19 ms. (steps per millisecond=52 ) properties (out of 31) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 15 ms. (steps per millisecond=66 ) properties (out of 31) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 16 ms. (steps per millisecond=62 ) properties (out of 31) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 15 ms. (steps per millisecond=66 ) properties (out of 31) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 16 ms. (steps per millisecond=62 ) properties (out of 31) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 14 ms. (steps per millisecond=71 ) properties (out of 31) seen :0
Interrupted probabilistic random walk after 8893 steps, run timeout after 3003 ms. (steps per millisecond=2 ) properties seen :{}
Probabilistic random walk after 8893 steps, saw 7299 distinct states, run finished after 3009 ms. (steps per millisecond=2 ) properties seen :0
Running SMT prover for 31 properties.
[2023-03-16 20:24:44] [INFO ] Flow matrix only has 62870 transitions (discarded 30346 similar events)
[2023-03-16 20:24:44] [INFO ] Invariant cache hit.
[2023-03-16 20:24:45] [INFO ] [Real]Absence check using 12 positive place invariants in 13 ms returned sat
[2023-03-16 20:25:09] [INFO ] After 23344ms SMT Verify possible using state equation in real domain returned unsat :2 sat :29
[2023-03-16 20:25:10] [INFO ] State equation strengthened by 3692 read => feed constraints.
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:642)
at fr.lip6.move.gal.structural.smt.DeadlockTester.testUnreachableWithSMTIncremental(DeadlockTester.java:339)
at fr.lip6.move.gal.structural.smt.DeadlockTester.testUnreachableWithSMT(DeadlockTester.java:223)
at fr.lip6.move.gal.application.solver.ReachabilitySolver.applyReductions(ReachabilitySolver.java:95)
at fr.lip6.move.gal.application.solver.logic.AtomicReducerSR.checkAtomicPropositionsLogic(AtomicReducerSR.java:105)
at fr.lip6.move.gal.application.solver.logic.AtomicReducerSR.strongReductions(AtomicReducerSR.java:44)
at fr.lip6.move.gal.application.solver.ltl.LTLPropertySolver.preSolveForLogic(LTLPropertySolver.java:176)
at fr.lip6.move.gal.application.solver.ltl.LTLPropertySolver.runStructuralLTLCheck(LTLPropertySolver.java:71)
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)
[2023-03-16 20:25:10] [WARNING] SMT solver failed with error :SMT solver raised an error when submitting script.... while checking expressions.
[2023-03-16 20:25:10] [INFO ] After 26017ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0
Fused 31 Parikh solutions to 1 different solutions.
Parikh walk visited 0 properties in 0 ms.
Support contains 56 out of 1369 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 1369/1369 places, 93216/93216 transitions.
Drop transitions removed 2811 transitions
Reduce isomorphic transitions removed 2811 transitions.
Drop transitions removed 1 transitions
Trivial Post-agglo rules discarded 1 transitions
Performed 1 trivial Post agglomeration. Transition count delta: 1
Iterating post reduction 0 with 2812 rules applied. Total rules applied 2812 place count 1369 transition count 90404
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 1 with 1 rules applied. Total rules applied 2813 place count 1368 transition count 90404
Performed 2 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 2 Pre rules applied. Total rules applied 2813 place count 1368 transition count 90402
Deduced a syphon composed of 2 places in 60 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 2 with 4 rules applied. Total rules applied 2817 place count 1366 transition count 90402
Drop transitions removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 2 with 2 rules applied. Total rules applied 2819 place count 1366 transition count 90400
Performed 17 Post agglomeration using F-continuation condition with reduction of 3 identical transitions.
Deduced a syphon composed of 17 places in 58 ms
Reduce places removed 17 places and 0 transitions.
Iterating global reduction 3 with 34 rules applied. Total rules applied 2853 place count 1349 transition count 90380
Drop transitions removed 6 transitions
Ensure Unique test removed 439 transitions
Reduce isomorphic transitions removed 445 transitions.
Iterating post reduction 3 with 445 rules applied. Total rules applied 3298 place count 1349 transition count 89935
Performed 4 Post agglomeration using F-continuation condition.Transition count delta: 4
Deduced a syphon composed of 4 places in 58 ms
Reduce places removed 4 places and 0 transitions.
Iterating global reduction 4 with 8 rules applied. Total rules applied 3306 place count 1345 transition count 89931
Drop transitions removed 4 transitions
Ensure Unique test removed 92 transitions
Reduce isomorphic transitions removed 96 transitions.
Iterating post reduction 4 with 96 rules applied. Total rules applied 3402 place count 1345 transition count 89835
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: -1
Deduced a syphon composed of 1 places in 56 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 5 with 2 rules applied. Total rules applied 3404 place count 1344 transition count 89836
Ensure Unique test removed 3 transitions
Reduce isomorphic transitions removed 3 transitions.
Iterating post reduction 5 with 3 rules applied. Total rules applied 3407 place count 1344 transition count 89833
Free-agglomeration rule applied 30 times.
Iterating global reduction 6 with 30 rules applied. Total rules applied 3437 place count 1344 transition count 89803
Reduce places removed 30 places and 0 transitions.
Drop transitions removed 42 transitions
Ensure Unique test removed 555 transitions
Reduce isomorphic transitions removed 597 transitions.
Iterating post reduction 6 with 627 rules applied. Total rules applied 4064 place count 1314 transition count 89206
Free-agglomeration rule (complex) applied 14 times with reduction of 16 identical transitions.
Iterating global reduction 7 with 14 rules applied. Total rules applied 4078 place count 1314 transition count 89854
Reduce places removed 14 places and 0 transitions.
Drop transitions removed 5 transitions
Ensure Unique test removed 21 transitions
Reduce isomorphic transitions removed 26 transitions.
Iterating post reduction 7 with 40 rules applied. Total rules applied 4118 place count 1300 transition count 89828
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 8 with 1 rules applied. Total rules applied 4119 place count 1299 transition count 89827
Applied a total of 4119 rules in 5159 ms. Remains 1299 /1369 variables (removed 70) and now considering 89827/93216 (removed 3389) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 5163 ms. Remains : 1299/1369 places, 89827/93216 transitions.
Incomplete random walk after 10000 steps, including 2 resets, run finished after 881 ms. (steps per millisecond=11 ) properties (out of 29) seen :0
Incomplete Best-First random walk after 1000 steps, including 2 resets, run finished after 24 ms. (steps per millisecond=41 ) properties (out of 29) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 18 ms. (steps per millisecond=55 ) properties (out of 29) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 20 ms. (steps per millisecond=50 ) properties (out of 29) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 19 ms. (steps per millisecond=52 ) properties (out of 29) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 19 ms. (steps per millisecond=52 ) properties (out of 29) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 20 ms. (steps per millisecond=50 ) properties (out of 29) seen :0
Incomplete Best-First random walk after 1000 steps, including 2 resets, run finished after 18 ms. (steps per millisecond=55 ) properties (out of 29) seen :0
Incomplete Best-First random walk after 1000 steps, including 2 resets, run finished after 19 ms. (steps per millisecond=52 ) properties (out of 29) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 18 ms. (steps per millisecond=55 ) properties (out of 29) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 17 ms. (steps per millisecond=58 ) properties (out of 29) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 17 ms. (steps per millisecond=58 ) properties (out of 29) seen :0
Incomplete Best-First random walk after 1000 steps, including 2 resets, run finished after 19 ms. (steps per millisecond=52 ) properties (out of 29) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 19 ms. (steps per millisecond=52 ) properties (out of 29) seen :0
Incomplete Best-First random walk after 1000 steps, including 2 resets, run finished after 19 ms. (steps per millisecond=52 ) properties (out of 29) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 19 ms. (steps per millisecond=52 ) properties (out of 29) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 19 ms. (steps per millisecond=52 ) properties (out of 29) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 20 ms. (steps per millisecond=50 ) properties (out of 29) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 21 ms. (steps per millisecond=47 ) properties (out of 29) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 18 ms. (steps per millisecond=55 ) properties (out of 29) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 19 ms. (steps per millisecond=52 ) properties (out of 29) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 19 ms. (steps per millisecond=52 ) properties (out of 29) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 19 ms. (steps per millisecond=52 ) properties (out of 29) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 19 ms. (steps per millisecond=52 ) properties (out of 29) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 18 ms. (steps per millisecond=55 ) properties (out of 29) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 18 ms. (steps per millisecond=55 ) properties (out of 29) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 20 ms. (steps per millisecond=50 ) properties (out of 29) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 19 ms. (steps per millisecond=52 ) properties (out of 29) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 20 ms. (steps per millisecond=50 ) properties (out of 29) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 20 ms. (steps per millisecond=50 ) properties (out of 29) seen :0
Interrupted probabilistic random walk after 5899 steps, run timeout after 3001 ms. (steps per millisecond=1 ) properties seen :{}
Probabilistic random walk after 5899 steps, saw 4417 distinct states, run finished after 3001 ms. (steps per millisecond=1 ) properties seen :0
Running SMT prover for 29 properties.
[2023-03-16 20:25:19] [INFO ] Flow matrix only has 62359 transitions (discarded 27468 similar events)
// Phase 1: matrix 62359 rows 1299 cols
[2023-03-16 20:25:20] [INFO ] Computed 12 place invariants in 266 ms
[2023-03-16 20:25:20] [INFO ] [Real]Absence check using 12 positive place invariants in 13 ms returned sat
[2023-03-16 20:25:45] [INFO ] After 23646ms SMT Verify possible using state equation in real domain returned unsat :0 sat :29
[2023-03-16 20:25:45] [INFO ] State equation strengthened by 3684 read => feed constraints.
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:642)
at fr.lip6.move.gal.structural.smt.DeadlockTester.testUnreachableWithSMTIncremental(DeadlockTester.java:339)
at fr.lip6.move.gal.structural.smt.DeadlockTester.testUnreachableWithSMT(DeadlockTester.java:223)
at fr.lip6.move.gal.application.solver.ReachabilitySolver.applyReductions(ReachabilitySolver.java:95)
at fr.lip6.move.gal.application.solver.logic.AtomicReducerSR.checkAtomicPropositionsLogic(AtomicReducerSR.java:105)
at fr.lip6.move.gal.application.solver.logic.AtomicReducerSR.strongReductions(AtomicReducerSR.java:44)
at fr.lip6.move.gal.application.solver.ltl.LTLPropertySolver.preSolveForLogic(LTLPropertySolver.java:176)
at fr.lip6.move.gal.application.solver.ltl.LTLPropertySolver.runStructuralLTLCheck(LTLPropertySolver.java:71)
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)
[2023-03-16 20:25:45] [WARNING] SMT solver failed with error :SMT solver raised an error when submitting script.... while checking expressions.
[2023-03-16 20:25:45] [INFO ] After 25670ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0
Fused 29 Parikh solutions to 2 different solutions.
Parikh walk visited 0 properties in 42 ms.
Support contains 56 out of 1299 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 1299/1299 places, 89827/89827 transitions.
Applied a total of 0 rules in 442 ms. Remains 1299 /1299 variables (removed 0) and now considering 89827/89827 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 442 ms. Remains : 1299/1299 places, 89827/89827 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 1299/1299 places, 89827/89827 transitions.
Applied a total of 0 rules in 435 ms. Remains 1299 /1299 variables (removed 0) and now considering 89827/89827 (removed 0) transitions.
[2023-03-16 20:25:46] [INFO ] Flow matrix only has 62359 transitions (discarded 27468 similar events)
[2023-03-16 20:25:46] [INFO ] Invariant cache hit.
[2023-03-16 20:25:50] [INFO ] Implicit Places using invariants in 3442 ms returned []
Implicit Place search using SMT only with invariants took 3443 ms to find 0 implicit places.
[2023-03-16 20:25:50] [INFO ] Flow matrix only has 62359 transitions (discarded 27468 similar events)
[2023-03-16 20:25:50] [INFO ] Invariant cache hit.
[2023-03-16 20:26:20] [INFO ] Performed 85217/89827 'is it Dead' test of which 0 returned DEAD in 30 seconds.
[2023-03-16 20:26:21] [INFO ] Dead Transitions using invariants and state equation in 31793 ms found 0 transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 35681 ms. Remains : 1299/1299 places, 89827/89827 transitions.
Successfully simplified 2 atomic propositions for a total of 14 simplifications.
Computed a total of 261 stabilizing places and 30825 stable transitions
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202303021504/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X((!p0 U (G(!p0)||(!p0&&G(!p1))))))'
Support contains 4 out of 1369 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 1369/1369 places, 93216/93216 transitions.
Applied a total of 0 rules in 127 ms. Remains 1369 /1369 variables (removed 0) and now considering 93216/93216 (removed 0) transitions.
[2023-03-16 20:26:22] [INFO ] Flow matrix only has 62870 transitions (discarded 30346 similar events)
// Phase 1: matrix 62870 rows 1369 cols
[2023-03-16 20:26:22] [INFO ] Computed 12 place invariants in 252 ms
[2023-03-16 20:26:26] [INFO ] Implicit Places using invariants in 3632 ms returned []
Implicit Place search using SMT only with invariants took 3649 ms to find 0 implicit places.
[2023-03-16 20:26:26] [INFO ] Flow matrix only has 62870 transitions (discarded 30346 similar events)
[2023-03-16 20:26:26] [INFO ] Invariant cache hit.
[2023-03-16 20:26:56] [INFO ] Performed 84038/93216 'is it Dead' test of which 0 returned DEAD in 30 seconds.
[2023-03-16 20:26:59] [INFO ] Dead Transitions using invariants and state equation in 33555 ms found 0 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 37335 ms. Remains : 1369/1369 places, 93216/93216 transitions.
Stuttering acceptance computed with spot in 395 ms :[true, p0, p0, (AND p0 p1), p1]
Running random walk in product with property : RERS2020-PT-pb107-LTLFireability-00 automaton TGBA Formula[mat=[[{ cond=true, acceptance={0} source=0 dest: 0}], [{ cond=true, acceptance={} source=1 dest: 2}], [{ cond=p0, acceptance={} source=2 dest: 0}, { cond=(AND p1 (NOT p0)), acceptance={} source=2 dest: 2}, { cond=(AND (NOT p1) (NOT p0)), acceptance={} source=2 dest: 3}], [{ cond=(AND p1 p0), acceptance={} source=3 dest: 0}, { cond=(AND p1 (NOT p0)), acceptance={} source=3 dest: 2}, { cond=(AND (NOT p1) (NOT p0)), acceptance={} source=3 dest: 3}, { cond=(AND (NOT p1) p0), acceptance={} source=3 dest: 4}], [{ cond=p1, acceptance={} source=4 dest: 0}, { cond=(NOT p1), acceptance={} source=4 dest: 4}]], initial=1, aps=[p0:(AND (EQ s498 1) (EQ s842 1)), p1:(AND (EQ s16 1) (EQ s1164 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, null, null][false, false, false, false, false]]
Product exploration explored 100000 steps with 0 reset in 5424 ms.
Product exploration explored 100000 steps with 1 reset in 5213 ms.
Computed a total of 261 stabilizing places and 30825 stable transitions
Computed a total of 261 stabilizing places and 30825 stable transitions
Knowledge obtained : [(AND (NOT p0) (NOT p1)), (X (AND (NOT p1) (NOT p0))), (X (NOT p0)), (X (NOT (AND p1 (NOT p0)))), true, (X (X (NOT (AND (NOT p1) p0)))), (X (X (NOT (AND p1 p0)))), (X (X (AND (NOT p1) (NOT p0)))), (X (X (NOT p0))), (X (X (NOT (AND p1 (NOT p0)))))]
False Knowledge obtained : []
Knowledge based reduction with 10 factoid took 375 ms. Reduced automaton from 5 states, 11 edges and 2 AP (stutter sensitive) to 5 states, 11 edges and 2 AP (stutter sensitive).
Stuttering acceptance computed with spot in 185 ms :[true, p0, p0, p1, (AND p0 p1)]
Incomplete random walk after 10000 steps, including 2 resets, run finished after 722 ms. (steps per millisecond=13 ) properties (out of 6) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 87 ms. (steps per millisecond=114 ) properties (out of 6) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 78 ms. (steps per millisecond=128 ) properties (out of 6) seen :0
Incomplete Best-First random walk after 10001 steps, including 3 resets, run finished after 95 ms. (steps per millisecond=105 ) properties (out of 6) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 93 ms. (steps per millisecond=107 ) properties (out of 6) seen :0
Incomplete Best-First random walk after 10000 steps, including 2 resets, run finished after 125 ms. (steps per millisecond=80 ) properties (out of 6) seen :0
Incomplete Best-First random walk after 10001 steps, including 3 resets, run finished after 95 ms. (steps per millisecond=105 ) properties (out of 6) seen :0
Interrupted probabilistic random walk after 9389 steps, run timeout after 3001 ms. (steps per millisecond=3 ) properties seen :{}
Probabilistic random walk after 9389 steps, saw 7667 distinct states, run finished after 3002 ms. (steps per millisecond=3 ) properties seen :0
Running SMT prover for 6 properties.
[2023-03-16 20:27:16] [INFO ] Flow matrix only has 62870 transitions (discarded 30346 similar events)
[2023-03-16 20:27:16] [INFO ] Invariant cache hit.
[2023-03-16 20:27:16] [INFO ] [Real]Absence check using 12 positive place invariants in 12 ms returned sat
[2023-03-16 20:27:41] [INFO ] After 24146ms SMT Verify possible using state equation in real domain returned unsat :1 sat :4 real:1
[2023-03-16 20:27:41] [INFO ] State equation strengthened by 3692 read => feed constraints.
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:642)
at fr.lip6.move.gal.structural.smt.DeadlockTester.testUnreachableWithSMTIncremental(DeadlockTester.java:339)
at fr.lip6.move.gal.structural.smt.DeadlockTester.testUnreachableWithSMT(DeadlockTester.java:223)
at fr.lip6.move.gal.application.solver.ReachabilitySolver.applyReductions(ReachabilitySolver.java:95)
at fr.lip6.move.gal.application.solver.ltl.LTLPropertySolver.addInvarianceKnowledge(LTLPropertySolver.java:701)
at fr.lip6.move.gal.application.solver.ltl.LTLPropertySolver.applyKnowledgeBasedReductions(LTLPropertySolver.java:568)
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)
[2023-03-16 20:27:41] [WARNING] SMT solver failed with error :SMT solver raised an error when submitting script.... while checking expressions.
[2023-03-16 20:27:41] [INFO ] After 25091ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0
Fused 6 Parikh solutions to 1 different solutions.
Parikh walk visited 0 properties in 0 ms.
Support contains 4 out of 1369 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 1369/1369 places, 93216/93216 transitions.
Drop transitions removed 2811 transitions
Reduce isomorphic transitions removed 2811 transitions.
Drop transitions removed 1 transitions
Trivial Post-agglo rules discarded 1 transitions
Performed 1 trivial Post agglomeration. Transition count delta: 1
Iterating post reduction 0 with 2812 rules applied. Total rules applied 2812 place count 1369 transition count 90404
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 1 with 1 rules applied. Total rules applied 2813 place count 1368 transition count 90404
Performed 2 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 2 Pre rules applied. Total rules applied 2813 place count 1368 transition count 90402
Deduced a syphon composed of 2 places in 49 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 2 with 4 rules applied. Total rules applied 2817 place count 1366 transition count 90402
Drop transitions removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 2 with 2 rules applied. Total rules applied 2819 place count 1366 transition count 90400
Performed 17 Post agglomeration using F-continuation condition with reduction of 3 identical transitions.
Deduced a syphon composed of 17 places in 49 ms
Reduce places removed 17 places and 0 transitions.
Iterating global reduction 3 with 34 rules applied. Total rules applied 2853 place count 1349 transition count 90380
Drop transitions removed 6 transitions
Ensure Unique test removed 439 transitions
Reduce isomorphic transitions removed 445 transitions.
Iterating post reduction 3 with 445 rules applied. Total rules applied 3298 place count 1349 transition count 89935
Performed 4 Post agglomeration using F-continuation condition.Transition count delta: 4
Deduced a syphon composed of 4 places in 47 ms
Reduce places removed 4 places and 0 transitions.
Iterating global reduction 4 with 8 rules applied. Total rules applied 3306 place count 1345 transition count 89931
Drop transitions removed 4 transitions
Ensure Unique test removed 92 transitions
Reduce isomorphic transitions removed 96 transitions.
Iterating post reduction 4 with 96 rules applied. Total rules applied 3402 place count 1345 transition count 89835
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: -1
Deduced a syphon composed of 1 places in 47 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 5 with 2 rules applied. Total rules applied 3404 place count 1344 transition count 89836
Ensure Unique test removed 3 transitions
Reduce isomorphic transitions removed 3 transitions.
Iterating post reduction 5 with 3 rules applied. Total rules applied 3407 place count 1344 transition count 89833
Free-agglomeration rule applied 32 times.
Iterating global reduction 6 with 32 rules applied. Total rules applied 3439 place count 1344 transition count 89801
Reduce places removed 32 places and 0 transitions.
Drop transitions removed 44 transitions
Ensure Unique test removed 555 transitions
Reduce isomorphic transitions removed 599 transitions.
Iterating post reduction 6 with 631 rules applied. Total rules applied 4070 place count 1312 transition count 89202
Free-agglomeration rule (complex) applied 15 times with reduction of 16 identical transitions.
Iterating global reduction 7 with 15 rules applied. Total rules applied 4085 place count 1312 transition count 89935
Reduce places removed 15 places and 0 transitions.
Drop transitions removed 5 transitions
Ensure Unique test removed 21 transitions
Reduce isomorphic transitions removed 26 transitions.
Iterating post reduction 7 with 41 rules applied. Total rules applied 4126 place count 1297 transition count 89909
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 8 with 1 rules applied. Total rules applied 4127 place count 1296 transition count 89908
Applied a total of 4127 rules in 4342 ms. Remains 1296 /1369 variables (removed 73) and now considering 89908/93216 (removed 3308) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 4346 ms. Remains : 1296/1369 places, 89908/93216 transitions.
Incomplete random walk after 10000 steps, including 2 resets, run finished after 800 ms. (steps per millisecond=12 ) properties (out of 5) seen :0
Incomplete Best-First random walk after 10000 steps, including 3 resets, run finished after 120 ms. (steps per millisecond=83 ) properties (out of 5) seen :0
Incomplete Best-First random walk after 10001 steps, including 3 resets, run finished after 115 ms. (steps per millisecond=86 ) properties (out of 5) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 118 ms. (steps per millisecond=84 ) properties (out of 5) seen :0
Incomplete Best-First random walk after 10001 steps, including 3 resets, run finished after 113 ms. (steps per millisecond=88 ) properties (out of 5) seen :0
Incomplete Best-First random walk after 10001 steps, including 3 resets, run finished after 122 ms. (steps per millisecond=81 ) properties (out of 5) seen :0
Interrupted probabilistic random walk after 6845 steps, run timeout after 3001 ms. (steps per millisecond=2 ) properties seen :{}
Probabilistic random walk after 6845 steps, saw 5233 distinct states, run finished after 3001 ms. (steps per millisecond=2 ) properties seen :0
Running SMT prover for 5 properties.
[2023-03-16 20:27:50] [INFO ] Flow matrix only has 62424 transitions (discarded 27484 similar events)
// Phase 1: matrix 62424 rows 1296 cols
[2023-03-16 20:27:50] [INFO ] Computed 12 place invariants in 239 ms
[2023-03-16 20:27:51] [INFO ] [Real]Absence check using 12 positive place invariants in 12 ms returned sat
[2023-03-16 20:28:15] [INFO ] After 24175ms SMT Verify possible using state equation in real domain returned unsat :0 sat :4 real:1
[2023-03-16 20:28:16] [INFO ] State equation strengthened by 3688 read => feed constraints.
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:642)
at fr.lip6.move.gal.structural.smt.DeadlockTester.testUnreachableWithSMTIncremental(DeadlockTester.java:339)
at fr.lip6.move.gal.structural.smt.DeadlockTester.testUnreachableWithSMT(DeadlockTester.java:223)
at fr.lip6.move.gal.application.solver.ReachabilitySolver.applyReductions(ReachabilitySolver.java:95)
at fr.lip6.move.gal.application.solver.ltl.LTLPropertySolver.addInvarianceKnowledge(LTLPropertySolver.java:701)
at fr.lip6.move.gal.application.solver.ltl.LTLPropertySolver.applyKnowledgeBasedReductions(LTLPropertySolver.java:568)
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)
[2023-03-16 20:28:16] [WARNING] SMT solver failed with error :SMT solver raised an error when submitting script.... while checking expressions.
[2023-03-16 20:28:16] [INFO ] After 25255ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0
Fused 5 Parikh solutions to 2 different solutions.
Parikh walk visited 0 properties in 19 ms.
Support contains 4 out of 1296 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 1296/1296 places, 89908/89908 transitions.
Applied a total of 0 rules in 418 ms. Remains 1296 /1296 variables (removed 0) and now considering 89908/89908 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 418 ms. Remains : 1296/1296 places, 89908/89908 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 1296/1296 places, 89908/89908 transitions.
Applied a total of 0 rules in 421 ms. Remains 1296 /1296 variables (removed 0) and now considering 89908/89908 (removed 0) transitions.
[2023-03-16 20:28:16] [INFO ] Flow matrix only has 62424 transitions (discarded 27484 similar events)
[2023-03-16 20:28:16] [INFO ] Invariant cache hit.
[2023-03-16 20:28:20] [INFO ] Implicit Places using invariants in 3955 ms returned []
Implicit Place search using SMT only with invariants took 3956 ms to find 0 implicit places.
[2023-03-16 20:28:20] [INFO ] Flow matrix only has 62424 transitions (discarded 27484 similar events)
[2023-03-16 20:28:20] [INFO ] Invariant cache hit.
[2023-03-16 20:28:51] [INFO ] Performed 89451/89908 'is it Dead' test of which 0 returned DEAD in 30 seconds.
[2023-03-16 20:28:51] [INFO ] Dead Transitions using invariants and state equation in 30358 ms found 0 transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 34745 ms. Remains : 1296/1296 places, 89908/89908 transitions.
Graph (trivial) has 31450 edges and 1296 vertex of which 1027 / 1296 are part of one of the 151 SCC in 8 ms
Free SCC test removed 876 places
Drop transitions removed 32345 transitions
Ensure Unique test removed 48684 transitions
Reduce isomorphic transitions removed 81029 transitions.
Graph (complete) has 8473 edges and 420 vertex of which 405 are kept as prefixes of interest. Removing 15 places using SCC suffix rule.5 ms
Discarding 15 places :
Also discarding 2 output transitions
Drop transitions removed 2 transitions
Drop transitions removed 23 transitions
Ensure Unique test removed 19 transitions
Reduce isomorphic transitions removed 42 transitions.
Iterating post reduction 0 with 42 rules applied. Total rules applied 44 place count 405 transition count 8835
Performed 1 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 1 with 1 Pre rules applied. Total rules applied 44 place count 405 transition count 8834
Deduced a syphon composed of 1 places in 2 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 1 with 2 rules applied. Total rules applied 46 place count 404 transition count 8834
Discarding 3 places :
Symmetric choice reduction at 1 with 3 rule applications. Total rules 49 place count 401 transition count 8822
Iterating global reduction 1 with 3 rules applied. Total rules applied 52 place count 401 transition count 8822
Ensure Unique test removed 6 transitions
Reduce isomorphic transitions removed 6 transitions.
Iterating post reduction 1 with 6 rules applied. Total rules applied 58 place count 401 transition count 8816
Performed 4 Post agglomeration using F-continuation condition.Transition count delta: 4
Deduced a syphon composed of 4 places in 3 ms
Reduce places removed 4 places and 0 transitions.
Iterating global reduction 2 with 8 rules applied. Total rules applied 66 place count 397 transition count 8812
Ensure Unique test removed 73 transitions
Reduce isomorphic transitions removed 73 transitions.
Iterating post reduction 2 with 73 rules applied. Total rules applied 139 place count 397 transition count 8739
Drop transitions removed 4065 transitions
Redundant transition composition rules discarded 4065 transitions
Iterating global reduction 3 with 4065 rules applied. Total rules applied 4204 place count 397 transition count 4674
Reduce places removed 3 places and 0 transitions.
Drop transitions removed 51 transitions
Reduce isomorphic transitions removed 51 transitions.
Graph (complete) has 5359 edges and 394 vertex of which 362 are kept as prefixes of interest. Removing 32 places using SCC suffix rule.2 ms
Discarding 32 places :
Also discarding 7 output transitions
Drop transitions removed 7 transitions
Iterating post reduction 3 with 55 rules applied. Total rules applied 4259 place count 362 transition count 4616
Drop transitions removed 446 transitions
Ensure Unique test removed 12 transitions
Reduce isomorphic transitions removed 458 transitions.
Iterating post reduction 4 with 458 rules applied. Total rules applied 4717 place count 362 transition count 4158
Performed 1 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 5 with 1 Pre rules applied. Total rules applied 4717 place count 362 transition count 4157
Deduced a syphon composed of 1 places in 1 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 5 with 2 rules applied. Total rules applied 4719 place count 361 transition count 4157
Discarding 6 places :
Symmetric choice reduction at 5 with 6 rule applications. Total rules 4725 place count 355 transition count 4135
Iterating global reduction 5 with 6 rules applied. Total rules applied 4731 place count 355 transition count 4135
Discarding 4 places :
Symmetric choice reduction at 5 with 4 rule applications. Total rules 4735 place count 351 transition count 4119
Iterating global reduction 5 with 4 rules applied. Total rules applied 4739 place count 351 transition count 4119
Performed 4 Post agglomeration using F-continuation condition.Transition count delta: 4
Deduced a syphon composed of 4 places in 1 ms
Reduce places removed 4 places and 0 transitions.
Iterating global reduction 5 with 8 rules applied. Total rules applied 4747 place count 347 transition count 4115
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 5 with 1 rules applied. Total rules applied 4748 place count 347 transition count 4114
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: -13
Deduced a syphon composed of 1 places in 1 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 6 with 2 rules applied. Total rules applied 4750 place count 346 transition count 4127
Drop transitions removed 22 transitions
Redundant transition composition rules discarded 22 transitions
Iterating global reduction 6 with 22 rules applied. Total rules applied 4772 place count 346 transition count 4105
Free-agglomeration rule applied 18 times with reduction of 5 identical transitions.
Iterating global reduction 6 with 18 rules applied. Total rules applied 4790 place count 346 transition count 4082
Reduce places removed 18 places and 0 transitions.
Ensure Unique test removed 69 transitions
Reduce isomorphic transitions removed 69 transitions.
Iterating post reduction 6 with 87 rules applied. Total rules applied 4877 place count 328 transition count 4013
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: -9
Deduced a syphon composed of 1 places in 1 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 7 with 2 rules applied. Total rules applied 4879 place count 327 transition count 4022
Drop transitions removed 81 transitions
Redundant transition composition rules discarded 81 transitions
Iterating global reduction 7 with 81 rules applied. Total rules applied 4960 place count 327 transition count 3941
Free-agglomeration rule applied 9 times with reduction of 2 identical transitions.
Iterating global reduction 7 with 9 rules applied. Total rules applied 4969 place count 327 transition count 3930
Reduce places removed 9 places and 0 transitions.
Ensure Unique test removed 10 transitions
Reduce isomorphic transitions removed 10 transitions.
Iterating post reduction 7 with 19 rules applied. Total rules applied 4988 place count 318 transition count 3920
Drop transitions removed 13 transitions
Redundant transition composition rules discarded 13 transitions
Iterating global reduction 8 with 13 rules applied. Total rules applied 5001 place count 318 transition count 3907
Free-agglomeration rule applied 2 times.
Iterating global reduction 8 with 2 rules applied. Total rules applied 5003 place count 318 transition count 3905
Reduce places removed 2 places and 0 transitions.
Iterating post reduction 8 with 2 rules applied. Total rules applied 5005 place count 316 transition count 3905
Drop transitions removed 6 transitions
Redundant transition composition rules discarded 6 transitions
Iterating global reduction 9 with 6 rules applied. Total rules applied 5011 place count 316 transition count 3899
Free-agglomeration rule (complex) applied 7 times with reduction of 11 identical transitions.
Iterating global reduction 9 with 7 rules applied. Total rules applied 5018 place count 316 transition count 3972
Reduce places removed 7 places and 0 transitions.
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 9 with 8 rules applied. Total rules applied 5026 place count 309 transition count 3971
Drop transitions removed 41 transitions
Redundant transition composition rules discarded 41 transitions
Iterating global reduction 10 with 41 rules applied. Total rules applied 5067 place count 309 transition count 3930
Partial Free-agglomeration rule applied 6 times.
Drop transitions removed 6 transitions
Iterating global reduction 10 with 6 rules applied. Total rules applied 5073 place count 309 transition count 3930
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 10 with 1 rules applied. Total rules applied 5074 place count 309 transition count 3929
Applied a total of 5074 rules in 1829 ms. Remains 309 /1296 variables (removed 987) and now considering 3929/89908 (removed 85979) transitions.
Running SMT prover for 5 properties.
[2023-03-16 20:28:53] [INFO ] Flow matrix only has 3814 transitions (discarded 115 similar events)
// Phase 1: matrix 3814 rows 309 cols
[2023-03-16 20:28:53] [INFO ] Computed 0 place invariants in 23 ms
[2023-03-16 20:28:54] [INFO ] After 943ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:5
[2023-03-16 20:28:55] [INFO ] After 945ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :5
[2023-03-16 20:28:55] [INFO ] State equation strengthened by 17 read => feed constraints.
[2023-03-16 20:28:55] [INFO ] After 439ms SMT Verify possible using 17 Read/Feed constraints in natural domain returned unsat :0 sat :5
[2023-03-16 20:28:56] [INFO ] After 1161ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :5
Attempting to minimize the solution found.
Minimization took 446 ms.
[2023-03-16 20:28:57] [INFO ] After 2673ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :5
Found 1 invariant AP formulas.
Knowledge obtained : [(AND (NOT p0) (NOT p1)), (X (AND (NOT p1) (NOT p0))), (X (NOT p0)), (X (NOT (AND p1 (NOT p0)))), true, (X (X (NOT (AND (NOT p1) p0)))), (X (X (NOT (AND p1 p0)))), (X (X (AND (NOT p1) (NOT p0)))), (X (X (NOT p0))), (X (X (NOT (AND p1 (NOT p0))))), (G (NOT (AND p0 p1)))]
False Knowledge obtained : []
Knowledge based reduction with 11 factoid took 490 ms. Reduced automaton from 5 states, 11 edges and 2 AP (stutter sensitive) to 5 states, 10 edges and 2 AP (stutter sensitive).
Stuttering acceptance computed with spot in 191 ms :[true, p0, (AND p0 p1), p0, p1]
Stuttering acceptance computed with spot in 188 ms :[true, p0, (AND p0 p1), p0, p1]
Support contains 4 out of 1369 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 1369/1369 places, 93216/93216 transitions.
Applied a total of 0 rules in 179 ms. Remains 1369 /1369 variables (removed 0) and now considering 93216/93216 (removed 0) transitions.
[2023-03-16 20:28:58] [INFO ] Flow matrix only has 62870 transitions (discarded 30346 similar events)
// Phase 1: matrix 62870 rows 1369 cols
[2023-03-16 20:28:58] [INFO ] Computed 12 place invariants in 346 ms
[2023-03-16 20:29:02] [INFO ] Implicit Places using invariants in 4202 ms returned []
Implicit Place search using SMT only with invariants took 4204 ms to find 0 implicit places.
[2023-03-16 20:29:02] [INFO ] Flow matrix only has 62870 transitions (discarded 30346 similar events)
[2023-03-16 20:29:02] [INFO ] Invariant cache hit.
[2023-03-16 20:29:32] [INFO ] Performed 88086/93216 'is it Dead' test of which 0 returned DEAD in 30 seconds.
[2023-03-16 20:29:34] [INFO ] Dead Transitions using invariants and state equation in 32118 ms found 0 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 36505 ms. Remains : 1369/1369 places, 93216/93216 transitions.
Computed a total of 261 stabilizing places and 30825 stable transitions
Computed a total of 261 stabilizing places and 30825 stable transitions
Knowledge obtained : [(AND (NOT p0) (NOT p1)), (X (NOT (AND (NOT p0) p1))), (X (AND (NOT p0) (NOT p1))), (X (NOT p0)), true, (X (X (NOT (AND (NOT p0) p1)))), (X (X (AND (NOT p0) (NOT p1)))), (X (X (NOT p0))), (X (X (NOT p1)))]
False Knowledge obtained : []
Knowledge based reduction with 9 factoid took 451 ms. Reduced automaton from 5 states, 10 edges and 2 AP (stutter sensitive) to 5 states, 10 edges and 2 AP (stutter sensitive).
Stuttering acceptance computed with spot in 185 ms :[true, p0, (AND p0 p1), p0, p1]
Incomplete random walk after 10000 steps, including 2 resets, run finished after 1022 ms. (steps per millisecond=9 ) properties (out of 4) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 105 ms. (steps per millisecond=95 ) properties (out of 4) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 154 ms. (steps per millisecond=64 ) properties (out of 4) seen :0
Incomplete Best-First random walk after 10001 steps, including 3 resets, run finished after 96 ms. (steps per millisecond=104 ) properties (out of 4) seen :0
Incomplete Best-First random walk after 10001 steps, including 3 resets, run finished after 107 ms. (steps per millisecond=93 ) properties (out of 4) seen :0
Interrupted probabilistic random walk after 7174 steps, run timeout after 3001 ms. (steps per millisecond=2 ) properties seen :{}
Probabilistic random walk after 7174 steps, saw 5925 distinct states, run finished after 3001 ms. (steps per millisecond=2 ) properties seen :0
Running SMT prover for 4 properties.
[2023-03-16 20:29:40] [INFO ] Flow matrix only has 62870 transitions (discarded 30346 similar events)
[2023-03-16 20:29:40] [INFO ] Invariant cache hit.
[2023-03-16 20:29:40] [INFO ] [Real]Absence check using 12 positive place invariants in 14 ms returned sat
[2023-03-16 20:30:05] [INFO ] After 24660ms SMT Verify possible using state equation in real domain returned unsat :0 sat :4
[2023-03-16 20:30:05] [INFO ] State equation strengthened by 3692 read => feed constraints.
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:642)
at fr.lip6.move.gal.structural.smt.DeadlockTester.testUnreachableWithSMTIncremental(DeadlockTester.java:339)
at fr.lip6.move.gal.structural.smt.DeadlockTester.testUnreachableWithSMT(DeadlockTester.java:223)
at fr.lip6.move.gal.application.solver.ReachabilitySolver.applyReductions(ReachabilitySolver.java:95)
at fr.lip6.move.gal.application.solver.ltl.LTLPropertySolver.addInvarianceKnowledge(LTLPropertySolver.java:701)
at fr.lip6.move.gal.application.solver.ltl.LTLPropertySolver.applyKnowledgeBasedReductions(LTLPropertySolver.java:568)
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)
[2023-03-16 20:30:05] [WARNING] SMT solver failed with error :SMT solver raised an error when submitting script.... while checking expressions.
[2023-03-16 20:30:05] [INFO ] After 25586ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0
Fused 4 Parikh solutions to 1 different solutions.
Parikh walk visited 0 properties in 0 ms.
Support contains 4 out of 1369 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 1369/1369 places, 93216/93216 transitions.
Drop transitions removed 2811 transitions
Reduce isomorphic transitions removed 2811 transitions.
Drop transitions removed 1 transitions
Trivial Post-agglo rules discarded 1 transitions
Performed 1 trivial Post agglomeration. Transition count delta: 1
Iterating post reduction 0 with 2812 rules applied. Total rules applied 2812 place count 1369 transition count 90404
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 1 with 1 rules applied. Total rules applied 2813 place count 1368 transition count 90404
Performed 2 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 2 Pre rules applied. Total rules applied 2813 place count 1368 transition count 90402
Deduced a syphon composed of 2 places in 48 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 2 with 4 rules applied. Total rules applied 2817 place count 1366 transition count 90402
Drop transitions removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 2 with 2 rules applied. Total rules applied 2819 place count 1366 transition count 90400
Performed 17 Post agglomeration using F-continuation condition with reduction of 3 identical transitions.
Deduced a syphon composed of 17 places in 104 ms
Reduce places removed 17 places and 0 transitions.
Iterating global reduction 3 with 34 rules applied. Total rules applied 2853 place count 1349 transition count 90380
Drop transitions removed 6 transitions
Ensure Unique test removed 439 transitions
Reduce isomorphic transitions removed 445 transitions.
Iterating post reduction 3 with 445 rules applied. Total rules applied 3298 place count 1349 transition count 89935
Performed 4 Post agglomeration using F-continuation condition.Transition count delta: 4
Deduced a syphon composed of 4 places in 47 ms
Reduce places removed 4 places and 0 transitions.
Iterating global reduction 4 with 8 rules applied. Total rules applied 3306 place count 1345 transition count 89931
Drop transitions removed 4 transitions
Ensure Unique test removed 92 transitions
Reduce isomorphic transitions removed 96 transitions.
Iterating post reduction 4 with 96 rules applied. Total rules applied 3402 place count 1345 transition count 89835
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: -1
Deduced a syphon composed of 1 places in 46 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 5 with 2 rules applied. Total rules applied 3404 place count 1344 transition count 89836
Ensure Unique test removed 3 transitions
Reduce isomorphic transitions removed 3 transitions.
Iterating post reduction 5 with 3 rules applied. Total rules applied 3407 place count 1344 transition count 89833
Free-agglomeration rule applied 32 times.
Iterating global reduction 6 with 32 rules applied. Total rules applied 3439 place count 1344 transition count 89801
Reduce places removed 32 places and 0 transitions.
Drop transitions removed 44 transitions
Ensure Unique test removed 555 transitions
Reduce isomorphic transitions removed 599 transitions.
Iterating post reduction 6 with 631 rules applied. Total rules applied 4070 place count 1312 transition count 89202
Free-agglomeration rule (complex) applied 15 times with reduction of 16 identical transitions.
Iterating global reduction 7 with 15 rules applied. Total rules applied 4085 place count 1312 transition count 89935
Reduce places removed 15 places and 0 transitions.
Drop transitions removed 5 transitions
Ensure Unique test removed 21 transitions
Reduce isomorphic transitions removed 26 transitions.
Iterating post reduction 7 with 41 rules applied. Total rules applied 4126 place count 1297 transition count 89909
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 8 with 1 rules applied. Total rules applied 4127 place count 1296 transition count 89908
Applied a total of 4127 rules in 4150 ms. Remains 1296 /1369 variables (removed 73) and now considering 89908/93216 (removed 3308) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 4154 ms. Remains : 1296/1369 places, 89908/93216 transitions.
Incomplete random walk after 10000 steps, including 2 resets, run finished after 753 ms. (steps per millisecond=13 ) properties (out of 4) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 84 ms. (steps per millisecond=119 ) properties (out of 4) seen :0
Incomplete Best-First random walk after 10001 steps, including 4 resets, run finished after 77 ms. (steps per millisecond=129 ) properties (out of 4) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 85 ms. (steps per millisecond=117 ) properties (out of 4) seen :0
Incomplete Best-First random walk after 10001 steps, including 4 resets, run finished after 80 ms. (steps per millisecond=125 ) properties (out of 4) seen :0
Interrupted probabilistic random walk after 8853 steps, run timeout after 3002 ms. (steps per millisecond=2 ) properties seen :{}
Probabilistic random walk after 8853 steps, saw 6976 distinct states, run finished after 3002 ms. (steps per millisecond=2 ) properties seen :0
Running SMT prover for 4 properties.
[2023-03-16 20:30:14] [INFO ] Flow matrix only has 62424 transitions (discarded 27484 similar events)
// Phase 1: matrix 62424 rows 1296 cols
[2023-03-16 20:30:14] [INFO ] Computed 12 place invariants in 201 ms
[2023-03-16 20:30:14] [INFO ] [Real]Absence check using 12 positive place invariants in 11 ms returned sat
[2023-03-16 20:30:39] [INFO ] After 24706ms SMT Verify possible using state equation in real domain returned unsat :0 sat :4
[2023-03-16 20:30:40] [INFO ] State equation strengthened by 3688 read => feed constraints.
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:642)
at fr.lip6.move.gal.structural.smt.DeadlockTester.testUnreachableWithSMTIncremental(DeadlockTester.java:339)
at fr.lip6.move.gal.structural.smt.DeadlockTester.testUnreachableWithSMT(DeadlockTester.java:223)
at fr.lip6.move.gal.application.solver.ReachabilitySolver.applyReductions(ReachabilitySolver.java:95)
at fr.lip6.move.gal.application.solver.ltl.LTLPropertySolver.addInvarianceKnowledge(LTLPropertySolver.java:701)
at fr.lip6.move.gal.application.solver.ltl.LTLPropertySolver.applyKnowledgeBasedReductions(LTLPropertySolver.java:568)
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)
[2023-03-16 20:30:40] [WARNING] SMT solver failed with error :SMT solver raised an error when submitting script.... while checking expressions.
[2023-03-16 20:30:40] [INFO ] After 25698ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0
Fused 4 Parikh solutions to 2 different solutions.
Parikh walk visited 0 properties in 13 ms.
Support contains 4 out of 1296 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 1296/1296 places, 89908/89908 transitions.
Applied a total of 0 rules in 664 ms. Remains 1296 /1296 variables (removed 0) and now considering 89908/89908 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 664 ms. Remains : 1296/1296 places, 89908/89908 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 1296/1296 places, 89908/89908 transitions.
Applied a total of 0 rules in 470 ms. Remains 1296 /1296 variables (removed 0) and now considering 89908/89908 (removed 0) transitions.
[2023-03-16 20:30:41] [INFO ] Flow matrix only has 62424 transitions (discarded 27484 similar events)
[2023-03-16 20:30:41] [INFO ] Invariant cache hit.
[2023-03-16 20:30:45] [INFO ] Implicit Places using invariants in 3972 ms returned []
Implicit Place search using SMT only with invariants took 3973 ms to find 0 implicit places.
[2023-03-16 20:30:45] [INFO ] Flow matrix only has 62424 transitions (discarded 27484 similar events)
[2023-03-16 20:30:45] [INFO ] Invariant cache hit.
[2023-03-16 20:31:15] [INFO ] Performed 89749/89908 'is it Dead' test of which 0 returned DEAD in 30 seconds.
[2023-03-16 20:31:15] [INFO ] Dead Transitions using invariants and state equation in 30294 ms found 0 transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 34746 ms. Remains : 1296/1296 places, 89908/89908 transitions.
Graph (trivial) has 31450 edges and 1296 vertex of which 1027 / 1296 are part of one of the 151 SCC in 5 ms
Free SCC test removed 876 places
Drop transitions removed 32345 transitions
Ensure Unique test removed 48684 transitions
Reduce isomorphic transitions removed 81029 transitions.
Graph (complete) has 8473 edges and 420 vertex of which 405 are kept as prefixes of interest. Removing 15 places using SCC suffix rule.4 ms
Discarding 15 places :
Also discarding 2 output transitions
Drop transitions removed 2 transitions
Drop transitions removed 23 transitions
Ensure Unique test removed 19 transitions
Reduce isomorphic transitions removed 42 transitions.
Iterating post reduction 0 with 42 rules applied. Total rules applied 44 place count 405 transition count 8835
Performed 1 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 1 with 1 Pre rules applied. Total rules applied 44 place count 405 transition count 8834
Deduced a syphon composed of 1 places in 2 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 1 with 2 rules applied. Total rules applied 46 place count 404 transition count 8834
Discarding 3 places :
Symmetric choice reduction at 1 with 3 rule applications. Total rules 49 place count 401 transition count 8822
Iterating global reduction 1 with 3 rules applied. Total rules applied 52 place count 401 transition count 8822
Ensure Unique test removed 6 transitions
Reduce isomorphic transitions removed 6 transitions.
Iterating post reduction 1 with 6 rules applied. Total rules applied 58 place count 401 transition count 8816
Performed 4 Post agglomeration using F-continuation condition.Transition count delta: 4
Deduced a syphon composed of 4 places in 2 ms
Reduce places removed 4 places and 0 transitions.
Iterating global reduction 2 with 8 rules applied. Total rules applied 66 place count 397 transition count 8812
Ensure Unique test removed 73 transitions
Reduce isomorphic transitions removed 73 transitions.
Iterating post reduction 2 with 73 rules applied. Total rules applied 139 place count 397 transition count 8739
Drop transitions removed 4065 transitions
Redundant transition composition rules discarded 4065 transitions
Iterating global reduction 3 with 4065 rules applied. Total rules applied 4204 place count 397 transition count 4674
Reduce places removed 3 places and 0 transitions.
Drop transitions removed 51 transitions
Reduce isomorphic transitions removed 51 transitions.
Graph (complete) has 5359 edges and 394 vertex of which 362 are kept as prefixes of interest. Removing 32 places using SCC suffix rule.2 ms
Discarding 32 places :
Also discarding 7 output transitions
Drop transitions removed 7 transitions
Iterating post reduction 3 with 55 rules applied. Total rules applied 4259 place count 362 transition count 4616
Drop transitions removed 446 transitions
Ensure Unique test removed 12 transitions
Reduce isomorphic transitions removed 458 transitions.
Iterating post reduction 4 with 458 rules applied. Total rules applied 4717 place count 362 transition count 4158
Performed 1 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 5 with 1 Pre rules applied. Total rules applied 4717 place count 362 transition count 4157
Deduced a syphon composed of 1 places in 1 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 5 with 2 rules applied. Total rules applied 4719 place count 361 transition count 4157
Discarding 6 places :
Symmetric choice reduction at 5 with 6 rule applications. Total rules 4725 place count 355 transition count 4135
Iterating global reduction 5 with 6 rules applied. Total rules applied 4731 place count 355 transition count 4135
Discarding 4 places :
Symmetric choice reduction at 5 with 4 rule applications. Total rules 4735 place count 351 transition count 4119
Iterating global reduction 5 with 4 rules applied. Total rules applied 4739 place count 351 transition count 4119
Performed 4 Post agglomeration using F-continuation condition.Transition count delta: 4
Deduced a syphon composed of 4 places in 1 ms
Reduce places removed 4 places and 0 transitions.
Iterating global reduction 5 with 8 rules applied. Total rules applied 4747 place count 347 transition count 4115
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 5 with 1 rules applied. Total rules applied 4748 place count 347 transition count 4114
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: -13
Deduced a syphon composed of 1 places in 1 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 6 with 2 rules applied. Total rules applied 4750 place count 346 transition count 4127
Drop transitions removed 22 transitions
Redundant transition composition rules discarded 22 transitions
Iterating global reduction 6 with 22 rules applied. Total rules applied 4772 place count 346 transition count 4105
Free-agglomeration rule applied 18 times with reduction of 5 identical transitions.
Iterating global reduction 6 with 18 rules applied. Total rules applied 4790 place count 346 transition count 4082
Reduce places removed 18 places and 0 transitions.
Ensure Unique test removed 69 transitions
Reduce isomorphic transitions removed 69 transitions.
Iterating post reduction 6 with 87 rules applied. Total rules applied 4877 place count 328 transition count 4013
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: -9
Deduced a syphon composed of 1 places in 1 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 7 with 2 rules applied. Total rules applied 4879 place count 327 transition count 4022
Drop transitions removed 81 transitions
Redundant transition composition rules discarded 81 transitions
Iterating global reduction 7 with 81 rules applied. Total rules applied 4960 place count 327 transition count 3941
Free-agglomeration rule applied 9 times with reduction of 2 identical transitions.
Iterating global reduction 7 with 9 rules applied. Total rules applied 4969 place count 327 transition count 3930
Reduce places removed 9 places and 0 transitions.
Ensure Unique test removed 10 transitions
Reduce isomorphic transitions removed 10 transitions.
Iterating post reduction 7 with 19 rules applied. Total rules applied 4988 place count 318 transition count 3920
Drop transitions removed 13 transitions
Redundant transition composition rules discarded 13 transitions
Iterating global reduction 8 with 13 rules applied. Total rules applied 5001 place count 318 transition count 3907
Free-agglomeration rule applied 2 times.
Iterating global reduction 8 with 2 rules applied. Total rules applied 5003 place count 318 transition count 3905
Reduce places removed 2 places and 0 transitions.
Iterating post reduction 8 with 2 rules applied. Total rules applied 5005 place count 316 transition count 3905
Drop transitions removed 6 transitions
Redundant transition composition rules discarded 6 transitions
Iterating global reduction 9 with 6 rules applied. Total rules applied 5011 place count 316 transition count 3899
Free-agglomeration rule (complex) applied 7 times with reduction of 11 identical transitions.
Iterating global reduction 9 with 7 rules applied. Total rules applied 5018 place count 316 transition count 3972
Reduce places removed 7 places and 0 transitions.
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 9 with 8 rules applied. Total rules applied 5026 place count 309 transition count 3971
Drop transitions removed 41 transitions
Redundant transition composition rules discarded 41 transitions
Iterating global reduction 10 with 41 rules applied. Total rules applied 5067 place count 309 transition count 3930
Partial Free-agglomeration rule applied 6 times.
Drop transitions removed 6 transitions
Iterating global reduction 10 with 6 rules applied. Total rules applied 5073 place count 309 transition count 3930
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 10 with 1 rules applied. Total rules applied 5074 place count 309 transition count 3929
Applied a total of 5074 rules in 1588 ms. Remains 309 /1296 variables (removed 987) and now considering 3929/89908 (removed 85979) transitions.
Running SMT prover for 4 properties.
[2023-03-16 20:31:17] [INFO ] Flow matrix only has 3814 transitions (discarded 115 similar events)
// Phase 1: matrix 3814 rows 309 cols
[2023-03-16 20:31:17] [INFO ] Computed 0 place invariants in 18 ms
[2023-03-16 20:31:18] [INFO ] After 775ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:4
[2023-03-16 20:31:18] [INFO ] After 830ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :4
[2023-03-16 20:31:18] [INFO ] State equation strengthened by 17 read => feed constraints.
[2023-03-16 20:31:19] [INFO ] After 366ms SMT Verify possible using 17 Read/Feed constraints in natural domain returned unsat :0 sat :4
[2023-03-16 20:31:19] [INFO ] After 921ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :4
Attempting to minimize the solution found.
Minimization took 362 ms.
[2023-03-16 20:31:20] [INFO ] After 2197ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :4
Knowledge obtained : [(AND (NOT p0) (NOT p1)), (X (NOT (AND (NOT p0) p1))), (X (AND (NOT p0) (NOT p1))), (X (NOT p0)), true, (X (X (NOT (AND (NOT p0) p1)))), (X (X (AND (NOT p0) (NOT p1)))), (X (X (NOT p0))), (X (X (NOT p1)))]
False Knowledge obtained : []
Knowledge based reduction with 9 factoid took 396 ms. Reduced automaton from 5 states, 10 edges and 2 AP (stutter sensitive) to 5 states, 10 edges and 2 AP (stutter sensitive).
Stuttering acceptance computed with spot in 168 ms :[true, p0, (AND p0 p1), p0, p1]
Stuttering acceptance computed with spot in 160 ms :[true, p0, (AND p0 p1), p0, p1]
Stuttering acceptance computed with spot in 179 ms :[true, p0, (AND p0 p1), p0, p1]
Product exploration explored 100000 steps with 0 reset in 5147 ms.
Product exploration explored 100000 steps with 0 reset in 5231 ms.
Applying partial POR strategy [true, false, false, false, true]
Stuttering acceptance computed with spot in 166 ms :[true, p0, (AND p0 p1), p0, p1]
Support contains 4 out of 1369 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 1369/1369 places, 93216/93216 transitions.
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 0
Iterating post reduction 0 with 1 rules applied. Total rules applied 1 place count 1369 transition count 93216
Performed 19 Post agglomeration using F-continuation condition with reduction of 3 identical transitions.
Deduced a syphon composed of 20 places in 48 ms
Iterating global reduction 1 with 19 rules applied. Total rules applied 20 place count 1369 transition count 93213
Ensure Unique test removed 439 transitions
Reduce isomorphic transitions removed 439 transitions.
Iterating post reduction 1 with 439 rules applied. Total rules applied 459 place count 1369 transition count 92774
Discarding 2 places :
Symmetric choice reduction at 2 with 2 rule applications. Total rules 461 place count 1367 transition count 92772
Deduced a syphon composed of 18 places in 55 ms
Iterating global reduction 2 with 2 rules applied. Total rules applied 463 place count 1367 transition count 92772
Performed 4 Post agglomeration using F-continuation condition.Transition count delta: 0
Deduced a syphon composed of 22 places in 53 ms
Iterating global reduction 2 with 4 rules applied. Total rules applied 467 place count 1367 transition count 92772
Ensure Unique test removed 96 transitions
Reduce isomorphic transitions removed 96 transitions.
Iterating post reduction 2 with 96 rules applied. Total rules applied 563 place count 1367 transition count 92676
Discarding 4 places :
Symmetric choice reduction at 3 with 4 rule applications. Total rules 567 place count 1363 transition count 92672
Deduced a syphon composed of 18 places in 51 ms
Iterating global reduction 3 with 4 rules applied. Total rules applied 571 place count 1363 transition count 92672
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: -3
Deduced a syphon composed of 19 places in 52 ms
Iterating global reduction 3 with 1 rules applied. Total rules applied 572 place count 1363 transition count 92675
Ensure Unique test removed 3 transitions
Reduce isomorphic transitions removed 3 transitions.
Iterating post reduction 3 with 3 rules applied. Total rules applied 575 place count 1363 transition count 92672
Deduced a syphon composed of 19 places in 53 ms
Applied a total of 575 rules in 2439 ms. Remains 1363 /1369 variables (removed 6) and now considering 92672/93216 (removed 544) transitions.
[2023-03-16 20:31:34] [INFO ] Flow matrix only has 62330 transitions (discarded 30342 similar events)
// Phase 1: matrix 62330 rows 1363 cols
[2023-03-16 20:31:34] [INFO ] Computed 12 place invariants in 218 ms
[2023-03-16 20:32:03] [INFO ] Dead Transitions using invariants and state equation in 29296 ms found 0 transitions.
Starting structural reductions in SI_LTL mode, iteration 1 : 1363/1369 places, 92672/93216 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 31740 ms. Remains : 1363/1369 places, 92672/93216 transitions.
Built C files in :
/tmp/ltsmin2438558821644322416
[2023-03-16 20:32:04] [INFO ] Built C files in 762ms conformant to PINS (ltsmin variant)in folder :/tmp/ltsmin2438558821644322416
Running compilation step : cd /tmp/ltsmin2438558821644322416;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202303021504/bin/limit_time.pl' '3' 'gcc' '-c' '-I/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202303021504/bin/include/' '-I.' '-std=c99' '-fPIC' '-O0' 'model.c'
WARNING : LTS min runner thread failed on error :java.lang.RuntimeException: Compilation or link of executable timed out.java.util.concurrent.TimeoutException: Subprocess running cd /tmp/ltsmin2438558821644322416;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202303021504/bin/limit_time.pl' '3' 'gcc' '-c' '-I/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202303021504/bin/include/' '-I.' '-std=c99' '-fPIC' '-O0' 'model.c' killed by timeout after 3 SECONDS
java.lang.RuntimeException: Compilation or link of executable timed out.java.util.concurrent.TimeoutException: Subprocess running cd /tmp/ltsmin2438558821644322416;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202303021504/bin/limit_time.pl' '3' 'gcc' '-c' '-I/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202303021504/bin/include/' '-I.' '-std=c99' '-fPIC' '-O0' 'model.c' killed by timeout after 3 SECONDS
at fr.lip6.move.gal.application.runner.ltsmin.LTSminRunner$1.run(LTSminRunner.java:92)
at java.base/java.lang.Thread.run(Thread.java:833)
Support contains 4 out of 1369 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 1369/1369 places, 93216/93216 transitions.
Applied a total of 0 rules in 135 ms. Remains 1369 /1369 variables (removed 0) and now considering 93216/93216 (removed 0) transitions.
[2023-03-16 20:32:07] [INFO ] Flow matrix only has 62870 transitions (discarded 30346 similar events)
// Phase 1: matrix 62870 rows 1369 cols
[2023-03-16 20:32:08] [INFO ] Computed 12 place invariants in 286 ms
[2023-03-16 20:32:11] [INFO ] Implicit Places using invariants in 3954 ms returned []
Implicit Place search using SMT only with invariants took 3954 ms to find 0 implicit places.
[2023-03-16 20:32:11] [INFO ] Flow matrix only has 62870 transitions (discarded 30346 similar events)
[2023-03-16 20:32:11] [INFO ] Invariant cache hit.
[2023-03-16 20:32:41] [INFO ] Performed 89172/93216 'is it Dead' test of which 0 returned DEAD in 30 seconds.
[2023-03-16 20:32:43] [INFO ] Dead Transitions using invariants and state equation in 31587 ms found 0 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 35680 ms. Remains : 1369/1369 places, 93216/93216 transitions.
Built C files in :
/tmp/ltsmin3583590847350939585
[2023-03-16 20:32:43] [INFO ] Built C files in 594ms conformant to PINS (ltsmin variant)in folder :/tmp/ltsmin3583590847350939585
Running compilation step : cd /tmp/ltsmin3583590847350939585;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202303021504/bin/limit_time.pl' '3' 'gcc' '-c' '-I/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202303021504/bin/include/' '-I.' '-std=c99' '-fPIC' '-O0' 'model.c'
WARNING : LTS min runner thread failed on error :java.lang.RuntimeException: Compilation or link of executable timed out.java.util.concurrent.TimeoutException: Subprocess running cd /tmp/ltsmin3583590847350939585;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202303021504/bin/limit_time.pl' '3' 'gcc' '-c' '-I/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202303021504/bin/include/' '-I.' '-std=c99' '-fPIC' '-O0' 'model.c' killed by timeout after 3 SECONDS
java.lang.RuntimeException: Compilation or link of executable timed out.java.util.concurrent.TimeoutException: Subprocess running cd /tmp/ltsmin3583590847350939585;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202303021504/bin/limit_time.pl' '3' 'gcc' '-c' '-I/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202303021504/bin/include/' '-I.' '-std=c99' '-fPIC' '-O0' 'model.c' killed by timeout after 3 SECONDS
at fr.lip6.move.gal.application.runner.ltsmin.LTSminRunner$1.run(LTSminRunner.java:92)
at java.base/java.lang.Thread.run(Thread.java:833)
[2023-03-16 20:32:51] [INFO ] Flatten gal took : 2409 ms
[2023-03-16 20:32:54] [INFO ] Flatten gal took : 2296 ms
[2023-03-16 20:32:54] [INFO ] Time to serialize gal into /tmp/LTL1974769959802177382.gal : 298 ms
[2023-03-16 20:32:54] [INFO ] Time to serialize properties into /tmp/LTL11358306478243221346.prop : 1 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202303021504/bin/its-ltl-linux64' '--gc-threshold' '2000000' '-i' '/tmp/LTL1974769959802177382.gal' '-t' 'CGAL' '-hoa' '/tmp/aut17315041872245036803.hoa' '-atoms' '/tmp/LTL11358306478243221346.prop' '-c' '-stutter-deadlock' '--gen-order' 'FOLLOW'

its-ltl command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202303021504/bin/its-ltl-linux64 --gc-threshold 2000000 -i /tmp/L...319
Loading property file /tmp/LTL11358306478243221346.prop.
Loaded 2 atomic propositions.
Checking formula 0 provided in automaton : /tmp/aut17315041872245036803.hoa
Detected timeout of ITS tools.
[2023-03-16 20:33:13] [INFO ] Flatten gal took : 2257 ms
[2023-03-16 20:33:15] [INFO ] Flatten gal took : 2209 ms
[2023-03-16 20:33:16] [INFO ] Time to serialize gal into /tmp/LTL3404000939469161006.gal : 310 ms
[2023-03-16 20:33:16] [INFO ] Time to serialize properties into /tmp/LTL8437986945967017656.ltl : 4 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202303021504/bin/its-ltl-linux64' '--gc-threshold' '2000000' '-i' '/tmp/LTL3404000939469161006.gal' '-t' 'CGAL' '-LTL' '/tmp/LTL8437986945967017656.ltl' '-c' '-stutter-deadlock' '--gen-order' 'FOLLOW'

its-ltl command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202303021504/bin/its-ltl-linux64 --gc-threshold 2000000 -i /tmp/L...275
Read 1 LTL properties
Checking formula 0 : !((X((!("((ps706==1)&&(ps629==1))"))U((G(!("((ps706==1)&&(ps629==1))")))||((!("((ps706==1)&&(ps629==1))"))&&(G(!("((ps723==1)&&(ps596=...168
Formula 0 simplified : X(F"((ps723==1)&&(ps596==1))" U "((ps706==1)&&(ps629==1))")
Detected timeout of ITS tools.
[2023-03-16 20:33:33] [INFO ] Flatten gal took : 2243 ms
[2023-03-16 20:33:33] [INFO ] Applying decomposition
[2023-03-16 20:33:36] [INFO ] Flatten gal took : 2317 ms
Converted graph to binary with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202303021504/bin/convert-linux64' '-i' '/tmp/graph5998839243032361262.txt' '-o' '/tmp/graph5998839243032361262.bin' '-w' '/tmp/graph5998839243032361262.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202303021504/bin/louvain-linux64' '/tmp/graph5998839243032361262.bin' '-l' '-1' '-v' '-w' '/tmp/graph5998839243032361262.weights' '-q' '0' '-e' '0.001'
[2023-03-16 20:33:42] [INFO ] Decomposing Gal with order
[2023-03-16 20:33:42] [INFO ] Rewriting arrays to variables to allow decomposition.
[2023-03-16 20:33:49] [INFO ] Removed a total of 203184 redundant transitions.
[2023-03-16 20:33:50] [INFO ] Flatten gal took : 6248 ms
[2023-03-16 20:33:56] [INFO ] Fuse similar labels procedure discarded/fused a total of 4020 labels/synchronizations in 3763 ms.
[2023-03-16 20:33:56] [INFO ] Time to serialize gal into /tmp/LTL11267859287271152396.gal : 176 ms
[2023-03-16 20:33:56] [INFO ] Time to serialize properties into /tmp/LTL14107841862101091383.ltl : 0 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202303021504/bin/its-ltl-linux64' '--gc-threshold' '2000000' '-i' '/tmp/LTL11267859287271152396.gal' '-t' 'CGAL' '-LTL' '/tmp/LTL14107841862101091383.ltl' '-c' '-stutter-deadlock'

its-ltl command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202303021504/bin/its-ltl-linux64 --gc-threshold 2000000 -i /tmp/L...256
Read 1 LTL properties
Checking formula 0 : !((X((!("((i1.i1.u34.ps706==1)&&(i7.i1.u127.ps629==1))"))U((G(!("((i1.i1.u34.ps706==1)&&(i7.i1.u127.ps629==1))")))||((!("((i1.i1.u34.p...252
Formula 0 simplified : X(F"((i1.i1.u34.ps723==1)&&(i3.i3.u137.ps596==1))" U "((i1.i1.u34.ps706==1)&&(i7.i1.u127.ps629==1))")
Detected timeout of ITS tools.
Built C files in :
/tmp/ltsmin1092231173666349922
[2023-03-16 20:34:12] [INFO ] Built C files in 611ms conformant to PINS (ltsmin variant)in folder :/tmp/ltsmin1092231173666349922
Running compilation step : cd /tmp/ltsmin1092231173666349922;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202303021504/bin/limit_time.pl' '3' 'gcc' '-c' '-I/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202303021504/bin/include/' '-I.' '-std=c99' '-fPIC' '-O0' 'model.c'
WARNING : LTS min runner thread failed on error :java.lang.RuntimeException: Compilation or link of executable timed out.java.util.concurrent.TimeoutException: Subprocess running cd /tmp/ltsmin1092231173666349922;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202303021504/bin/limit_time.pl' '3' 'gcc' '-c' '-I/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202303021504/bin/include/' '-I.' '-std=c99' '-fPIC' '-O0' 'model.c' killed by timeout after 3 SECONDS
java.lang.RuntimeException: Compilation or link of executable timed out.java.util.concurrent.TimeoutException: Subprocess running cd /tmp/ltsmin1092231173666349922;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202303021504/bin/limit_time.pl' '3' 'gcc' '-c' '-I/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202303021504/bin/include/' '-I.' '-std=c99' '-fPIC' '-O0' 'model.c' killed by timeout after 3 SECONDS
at fr.lip6.move.gal.application.runner.ltsmin.LTSminRunner$1.run(LTSminRunner.java:92)
at java.base/java.lang.Thread.run(Thread.java:833)
Treatment of property RERS2020-PT-pb107-LTLFireability-00 finished in 472972 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((p0&&X((p0&&G(F(p0)))))))'
Support contains 2 out of 1369 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 1369/1369 places, 93216/93216 transitions.
Reduce places removed 1 places and 1 transitions.
Drop transitions removed 1 transitions
Trivial Post-agglo rules discarded 1 transitions
Performed 1 trivial Post agglomeration. Transition count delta: 1
Iterating post reduction 0 with 1 rules applied. Total rules applied 1 place count 1368 transition count 93214
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 1 with 1 rules applied. Total rules applied 2 place count 1367 transition count 93214
Performed 2 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 2 Pre rules applied. Total rules applied 2 place count 1367 transition count 93212
Deduced a syphon composed of 2 places in 55 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 2 with 4 rules applied. Total rules applied 6 place count 1365 transition count 93212
Performed 17 Post agglomeration using F-continuation condition with reduction of 3 identical transitions.
Deduced a syphon composed of 17 places in 52 ms
Reduce places removed 17 places and 0 transitions.
Iterating global reduction 2 with 34 rules applied. Total rules applied 40 place count 1348 transition count 93192
Ensure Unique test removed 439 transitions
Reduce isomorphic transitions removed 439 transitions.
Iterating post reduction 2 with 439 rules applied. Total rules applied 479 place count 1348 transition count 92753
Performed 4 Post agglomeration using F-continuation condition.Transition count delta: 4
Deduced a syphon composed of 4 places in 53 ms
Reduce places removed 4 places and 0 transitions.
Iterating global reduction 3 with 8 rules applied. Total rules applied 487 place count 1344 transition count 92749
Ensure Unique test removed 96 transitions
Reduce isomorphic transitions removed 96 transitions.
Iterating post reduction 3 with 96 rules applied. Total rules applied 583 place count 1344 transition count 92653
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: -1
Deduced a syphon composed of 1 places in 50 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 4 with 2 rules applied. Total rules applied 585 place count 1343 transition count 92654
Ensure Unique test removed 3 transitions
Reduce isomorphic transitions removed 3 transitions.
Iterating post reduction 4 with 3 rules applied. Total rules applied 588 place count 1343 transition count 92651
Applied a total of 588 rules in 2518 ms. Remains 1343 /1369 variables (removed 26) and now considering 92651/93216 (removed 565) transitions.
[2023-03-16 20:34:18] [INFO ] Flow matrix only has 62309 transitions (discarded 30342 similar events)
// Phase 1: matrix 62309 rows 1343 cols
[2023-03-16 20:34:18] [INFO ] Computed 12 place invariants in 215 ms
[2023-03-16 20:34:21] [INFO ] Implicit Places using invariants in 3824 ms returned []
Implicit Place search using SMT only with invariants took 3825 ms to find 0 implicit places.
[2023-03-16 20:34:21] [INFO ] Flow matrix only has 62309 transitions (discarded 30342 similar events)
[2023-03-16 20:34:21] [INFO ] Invariant cache hit.
[2023-03-16 20:34:52] [INFO ] Performed 86789/92651 'is it Dead' test of which 0 returned DEAD in 30 seconds.
[2023-03-16 20:34:54] [INFO ] Dead Transitions using invariants and state equation in 32345 ms found 0 transitions.
Starting structural reductions in SI_LTL mode, iteration 1 : 1343/1369 places, 92651/93216 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 38691 ms. Remains : 1343/1369 places, 92651/93216 transitions.
Stuttering acceptance computed with spot in 64 ms :[true, (NOT p0)]
Running random walk in product with property : RERS2020-PT-pb107-LTLFireability-01 automaton TGBA Formula[mat=[[{ cond=true, acceptance={0} source=0 dest: 0}], [{ cond=(NOT p0), acceptance={} source=1 dest: 0}, { cond=p0, acceptance={} source=1 dest: 1}]], initial=1, aps=[p0:(OR (EQ s1031 0) (EQ s1221 0))], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, complete, deterministic, no-univ-branch, unambiguous, semi-deterministic, stutter-invariant, very-weak, weak, inherently-weak], stateDesc=[null, null][true, true]]
Product exploration explored 100000 steps with 1 reset in 5485 ms.
Product exploration explored 100000 steps with 1 reset in 5486 ms.
Computed a total of 257 stabilizing places and 30632 stable transitions
Computed a total of 257 stabilizing places and 30632 stable transitions
Knowledge obtained : [p0, (X p0), true, (X (X p0))]
False Knowledge obtained : []
Knowledge based reduction with 4 factoid took 157 ms. Reduced automaton from 2 states, 3 edges and 1 AP (stutter insensitive) to 2 states, 3 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 43 ms :[true, (NOT p0)]
Incomplete random walk after 10000 steps, including 3 resets, run finished after 592 ms. (steps per millisecond=16 ) properties (out of 1) seen :0
Incomplete Best-First random walk after 10001 steps, including 3 resets, run finished after 73 ms. (steps per millisecond=137 ) properties (out of 1) seen :0
Interrupted probabilistic random walk after 7583 steps, run timeout after 3003 ms. (steps per millisecond=2 ) properties seen :{}
Probabilistic random walk after 7583 steps, saw 5481 distinct states, run finished after 3003 ms. (steps per millisecond=2 ) properties seen :0
Running SMT prover for 1 properties.
[2023-03-16 20:35:09] [INFO ] Flow matrix only has 62309 transitions (discarded 30342 similar events)
[2023-03-16 20:35:09] [INFO ] Invariant cache hit.
[2023-03-16 20:35:10] [INFO ] [Real]Absence check using 12 positive place invariants in 12 ms returned sat
[2023-03-16 20:35:30] [INFO ] After 20191ms SMT Verify possible using state equation in real domain returned unsat :0 sat :1
[2023-03-16 20:35:30] [INFO ] State equation strengthened by 3673 read => feed constraints.
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:642)
at fr.lip6.move.gal.structural.smt.DeadlockTester.testUnreachableWithSMTIncremental(DeadlockTester.java:339)
at fr.lip6.move.gal.structural.smt.DeadlockTester.testUnreachableWithSMT(DeadlockTester.java:223)
at fr.lip6.move.gal.application.solver.ReachabilitySolver.applyReductions(ReachabilitySolver.java:95)
at fr.lip6.move.gal.application.solver.ltl.LTLPropertySolver.addInvarianceKnowledge(LTLPropertySolver.java:701)
at fr.lip6.move.gal.application.solver.ltl.LTLPropertySolver.applyKnowledgeBasedReductions(LTLPropertySolver.java:568)
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)
[2023-03-16 20:35:35] [WARNING] SMT solver failed with error :SMT solver raised an error when submitting script.... while checking expressions.
[2023-03-16 20:35:35] [INFO ] After 25030ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0
Parikh walk visited 0 properties in 17 ms.
Support contains 2 out of 1343 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 1343/1343 places, 92651/92651 transitions.
Drop transitions removed 2819 transitions
Reduce isomorphic transitions removed 2819 transitions.
Iterating post reduction 0 with 2819 rules applied. Total rules applied 2819 place count 1343 transition count 89832
Free-agglomeration rule applied 32 times.
Iterating global reduction 1 with 32 rules applied. Total rules applied 2851 place count 1343 transition count 89800
Reduce places removed 32 places and 0 transitions.
Drop transitions removed 44 transitions
Ensure Unique test removed 555 transitions
Reduce isomorphic transitions removed 599 transitions.
Iterating post reduction 1 with 631 rules applied. Total rules applied 3482 place count 1311 transition count 89201
Free-agglomeration rule (complex) applied 15 times with reduction of 16 identical transitions.
Iterating global reduction 2 with 15 rules applied. Total rules applied 3497 place count 1311 transition count 89934
Reduce places removed 15 places and 0 transitions.
Drop transitions removed 5 transitions
Ensure Unique test removed 21 transitions
Reduce isomorphic transitions removed 26 transitions.
Iterating post reduction 2 with 41 rules applied. Total rules applied 3538 place count 1296 transition count 89908
Applied a total of 3538 rules in 2166 ms. Remains 1296 /1343 variables (removed 47) and now considering 89908/92651 (removed 2743) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 2169 ms. Remains : 1296/1343 places, 89908/92651 transitions.
Incomplete random walk after 10000 steps, including 2 resets, run finished after 684 ms. (steps per millisecond=14 ) properties (out of 1) seen :0
Incomplete Best-First random walk after 10001 steps, including 3 resets, run finished after 82 ms. (steps per millisecond=121 ) properties (out of 1) seen :0
Interrupted probabilistic random walk after 6236 steps, run timeout after 3004 ms. (steps per millisecond=2 ) properties seen :{}
Probabilistic random walk after 6236 steps, saw 4701 distinct states, run finished after 3004 ms. (steps per millisecond=2 ) properties seen :0
Running SMT prover for 1 properties.
[2023-03-16 20:35:41] [INFO ] Flow matrix only has 62424 transitions (discarded 27484 similar events)
// Phase 1: matrix 62424 rows 1296 cols
[2023-03-16 20:35:41] [INFO ] Computed 12 place invariants in 247 ms
[2023-03-16 20:35:41] [INFO ] [Real]Absence check using 12 positive place invariants in 12 ms returned sat
[2023-03-16 20:36:02] [INFO ] After 21253ms SMT Verify possible using state equation in real domain returned unsat :0 sat :1
[2023-03-16 20:36:03] [INFO ] State equation strengthened by 3688 read => feed constraints.
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:642)
at fr.lip6.move.gal.structural.smt.DeadlockTester.testUnreachableWithSMTIncremental(DeadlockTester.java:339)
at fr.lip6.move.gal.structural.smt.DeadlockTester.testUnreachableWithSMT(DeadlockTester.java:223)
at fr.lip6.move.gal.application.solver.ReachabilitySolver.applyReductions(ReachabilitySolver.java:95)
at fr.lip6.move.gal.application.solver.ltl.LTLPropertySolver.addInvarianceKnowledge(LTLPropertySolver.java:701)
at fr.lip6.move.gal.application.solver.ltl.LTLPropertySolver.applyKnowledgeBasedReductions(LTLPropertySolver.java:568)
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)
[2023-03-16 20:36:06] [WARNING] SMT solver failed with error :SMT solver raised an error when submitting script.... while checking expressions.
[2023-03-16 20:36:06] [INFO ] After 25031ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0
Parikh walk visited 0 properties in 12 ms.
Support contains 2 out of 1296 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 1296/1296 places, 89908/89908 transitions.
Applied a total of 0 rules in 439 ms. Remains 1296 /1296 variables (removed 0) and now considering 89908/89908 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 439 ms. Remains : 1296/1296 places, 89908/89908 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 1296/1296 places, 89908/89908 transitions.
Applied a total of 0 rules in 428 ms. Remains 1296 /1296 variables (removed 0) and now considering 89908/89908 (removed 0) transitions.
[2023-03-16 20:36:07] [INFO ] Flow matrix only has 62424 transitions (discarded 27484 similar events)
[2023-03-16 20:36:07] [INFO ] Invariant cache hit.
[2023-03-16 20:36:10] [INFO ] Implicit Places using invariants in 3483 ms returned []
Implicit Place search using SMT only with invariants took 3484 ms to find 0 implicit places.
[2023-03-16 20:36:10] [INFO ] Flow matrix only has 62424 transitions (discarded 27484 similar events)
[2023-03-16 20:36:10] [INFO ] Invariant cache hit.
[2023-03-16 20:36:40] [INFO ] Performed 87942/89908 'is it Dead' test of which 0 returned DEAD in 30 seconds.
[2023-03-16 20:36:41] [INFO ] Dead Transitions using invariants and state equation in 30816 ms found 0 transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 34736 ms. Remains : 1296/1296 places, 89908/89908 transitions.
Graph (trivial) has 31584 edges and 1296 vertex of which 1032 / 1296 are part of one of the 152 SCC in 5 ms
Free SCC test removed 880 places
Drop transitions removed 33012 transitions
Ensure Unique test removed 48155 transitions
Reduce isomorphic transitions removed 81167 transitions.
Graph (complete) has 8395 edges and 416 vertex of which 401 are kept as prefixes of interest. Removing 15 places using SCC suffix rule.5 ms
Discarding 15 places :
Also discarding 2 output transitions
Drop transitions removed 2 transitions
Drop transitions removed 23 transitions
Ensure Unique test removed 19 transitions
Reduce isomorphic transitions removed 42 transitions.
Iterating post reduction 0 with 42 rules applied. Total rules applied 44 place count 401 transition count 8697
Performed 1 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 1 with 1 Pre rules applied. Total rules applied 44 place count 401 transition count 8696
Deduced a syphon composed of 1 places in 2 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 1 with 2 rules applied. Total rules applied 46 place count 400 transition count 8696
Discarding 3 places :
Symmetric choice reduction at 1 with 3 rule applications. Total rules 49 place count 397 transition count 8684
Iterating global reduction 1 with 3 rules applied. Total rules applied 52 place count 397 transition count 8684
Ensure Unique test removed 6 transitions
Reduce isomorphic transitions removed 6 transitions.
Iterating post reduction 1 with 6 rules applied. Total rules applied 58 place count 397 transition count 8678
Performed 4 Post agglomeration using F-continuation condition.Transition count delta: 4
Deduced a syphon composed of 4 places in 4 ms
Reduce places removed 4 places and 0 transitions.
Iterating global reduction 2 with 8 rules applied. Total rules applied 66 place count 393 transition count 8674
Ensure Unique test removed 73 transitions
Reduce isomorphic transitions removed 73 transitions.
Iterating post reduction 2 with 73 rules applied. Total rules applied 139 place count 393 transition count 8601
Drop transitions removed 3979 transitions
Redundant transition composition rules discarded 3979 transitions
Iterating global reduction 3 with 3979 rules applied. Total rules applied 4118 place count 393 transition count 4622
Reduce places removed 3 places and 0 transitions.
Drop transitions removed 51 transitions
Reduce isomorphic transitions removed 51 transitions.
Graph (complete) has 5268 edges and 390 vertex of which 357 are kept as prefixes of interest. Removing 33 places using SCC suffix rule.2 ms
Discarding 33 places :
Also discarding 7 output transitions
Drop transitions removed 7 transitions
Iterating post reduction 3 with 55 rules applied. Total rules applied 4173 place count 357 transition count 4564
Drop transitions removed 450 transitions
Ensure Unique test removed 12 transitions
Reduce isomorphic transitions removed 462 transitions.
Iterating post reduction 4 with 462 rules applied. Total rules applied 4635 place count 357 transition count 4102
Performed 1 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 5 with 1 Pre rules applied. Total rules applied 4635 place count 357 transition count 4101
Deduced a syphon composed of 1 places in 1 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 5 with 2 rules applied. Total rules applied 4637 place count 356 transition count 4101
Discarding 6 places :
Symmetric choice reduction at 5 with 6 rule applications. Total rules 4643 place count 350 transition count 4079
Iterating global reduction 5 with 6 rules applied. Total rules applied 4649 place count 350 transition count 4079
Discarding 4 places :
Symmetric choice reduction at 5 with 4 rule applications. Total rules 4653 place count 346 transition count 4063
Iterating global reduction 5 with 4 rules applied. Total rules applied 4657 place count 346 transition count 4063
Performed 5 Post agglomeration using F-continuation condition.Transition count delta: 5
Deduced a syphon composed of 5 places in 1 ms
Reduce places removed 5 places and 0 transitions.
Iterating global reduction 5 with 10 rules applied. Total rules applied 4667 place count 341 transition count 4058
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 5 with 1 rules applied. Total rules applied 4668 place count 341 transition count 4057
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: -13
Deduced a syphon composed of 1 places in 1 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 6 with 2 rules applied. Total rules applied 4670 place count 340 transition count 4070
Drop transitions removed 23 transitions
Redundant transition composition rules discarded 23 transitions
Iterating global reduction 6 with 23 rules applied. Total rules applied 4693 place count 340 transition count 4047
Free-agglomeration rule applied 20 times with reduction of 7 identical transitions.
Iterating global reduction 6 with 20 rules applied. Total rules applied 4713 place count 340 transition count 4020
Reduce places removed 20 places and 0 transitions.
Ensure Unique test removed 65 transitions
Reduce isomorphic transitions removed 65 transitions.
Iterating post reduction 6 with 85 rules applied. Total rules applied 4798 place count 320 transition count 3955
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: -9
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 7 with 2 rules applied. Total rules applied 4800 place count 319 transition count 3964
Drop transitions removed 95 transitions
Redundant transition composition rules discarded 95 transitions
Iterating global reduction 7 with 95 rules applied. Total rules applied 4895 place count 319 transition count 3869
Free-agglomeration rule applied 11 times with reduction of 2 identical transitions.
Iterating global reduction 7 with 11 rules applied. Total rules applied 4906 place count 319 transition count 3856
Reduce places removed 11 places and 0 transitions.
Ensure Unique test removed 10 transitions
Reduce isomorphic transitions removed 10 transitions.
Iterating post reduction 7 with 21 rules applied. Total rules applied 4927 place count 308 transition count 3846
Drop transitions removed 28 transitions
Redundant transition composition rules discarded 28 transitions
Iterating global reduction 8 with 28 rules applied. Total rules applied 4955 place count 308 transition count 3818
Free-agglomeration rule applied 4 times.
Iterating global reduction 8 with 4 rules applied. Total rules applied 4959 place count 308 transition count 3814
Reduce places removed 4 places and 0 transitions.
Iterating post reduction 8 with 4 rules applied. Total rules applied 4963 place count 304 transition count 3814
Drop transitions removed 11 transitions
Redundant transition composition rules discarded 11 transitions
Iterating global reduction 9 with 11 rules applied. Total rules applied 4974 place count 304 transition count 3803
Free-agglomeration rule applied 1 times.
Iterating global reduction 9 with 1 rules applied. Total rules applied 4975 place count 304 transition count 3802
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 9 with 1 rules applied. Total rules applied 4976 place count 303 transition count 3802
Free-agglomeration rule (complex) applied 7 times with reduction of 11 identical transitions.
Iterating global reduction 10 with 7 rules applied. Total rules applied 4983 place count 303 transition count 3875
Reduce places removed 7 places and 0 transitions.
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 10 with 8 rules applied. Total rules applied 4991 place count 296 transition count 3874
Drop transitions removed 41 transitions
Redundant transition composition rules discarded 41 transitions
Iterating global reduction 11 with 41 rules applied. Total rules applied 5032 place count 296 transition count 3833
Applied a total of 5032 rules in 1642 ms. Remains 296 /1296 variables (removed 1000) and now considering 3833/89908 (removed 86075) transitions.
Running SMT prover for 1 properties.
[2023-03-16 20:36:43] [INFO ] Flow matrix only has 3716 transitions (discarded 117 similar events)
// Phase 1: matrix 3716 rows 296 cols
[2023-03-16 20:36:43] [INFO ] Computed 0 place invariants in 18 ms
[2023-03-16 20:36:43] [INFO ] After 629ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
[2023-03-16 20:36:44] [INFO ] After 584ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
[2023-03-16 20:36:44] [INFO ] State equation strengthened by 16 read => feed constraints.
[2023-03-16 20:36:44] [INFO ] After 91ms SMT Verify possible using 16 Read/Feed constraints in natural domain returned unsat :0 sat :1
[2023-03-16 20:36:44] [INFO ] After 211ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
Attempting to minimize the solution found.
Minimization took 66 ms.
[2023-03-16 20:36:44] [INFO ] After 919ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
Knowledge obtained : [p0, (X p0), true, (X (X p0))]
False Knowledge obtained : []
Knowledge based reduction with 4 factoid took 160 ms. Reduced automaton from 2 states, 3 edges and 1 AP (stutter insensitive) to 2 states, 3 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 53 ms :[true, (NOT p0)]
Stuttering acceptance computed with spot in 47 ms :[true, (NOT p0)]
Support contains 2 out of 1343 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 1343/1343 places, 92651/92651 transitions.
Applied a total of 0 rules in 394 ms. Remains 1343 /1343 variables (removed 0) and now considering 92651/92651 (removed 0) transitions.
[2023-03-16 20:36:45] [INFO ] Flow matrix only has 62309 transitions (discarded 30342 similar events)
// Phase 1: matrix 62309 rows 1343 cols
[2023-03-16 20:36:45] [INFO ] Computed 12 place invariants in 244 ms
[2023-03-16 20:36:49] [INFO ] Implicit Places using invariants in 3869 ms returned []
Implicit Place search using SMT only with invariants took 3869 ms to find 0 implicit places.
[2023-03-16 20:36:49] [INFO ] Flow matrix only has 62309 transitions (discarded 30342 similar events)
[2023-03-16 20:36:49] [INFO ] Invariant cache hit.
[2023-03-16 20:37:19] [INFO ] Performed 90993/92651 'is it Dead' test of which 0 returned DEAD in 30 seconds.
[2023-03-16 20:37:20] [INFO ] Dead Transitions using invariants and state equation in 30751 ms found 0 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 35018 ms. Remains : 1343/1343 places, 92651/92651 transitions.
Computed a total of 257 stabilizing places and 30632 stable transitions
Computed a total of 257 stabilizing places and 30632 stable transitions
Knowledge obtained : [p0, (X p0), true, (X (X p0))]
False Knowledge obtained : []
Knowledge based reduction with 4 factoid took 152 ms. Reduced automaton from 2 states, 3 edges and 1 AP (stutter insensitive) to 2 states, 3 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 45 ms :[true, (NOT p0)]
Incomplete random walk after 10000 steps, including 2 resets, run finished after 524 ms. (steps per millisecond=19 ) properties (out of 1) seen :0
Incomplete Best-First random walk after 10001 steps, including 3 resets, run finished after 64 ms. (steps per millisecond=156 ) properties (out of 1) seen :0
Interrupted probabilistic random walk after 8499 steps, run timeout after 3001 ms. (steps per millisecond=2 ) properties seen :{}
Probabilistic random walk after 8499 steps, saw 6008 distinct states, run finished after 3001 ms. (steps per millisecond=2 ) properties seen :0
Running SMT prover for 1 properties.
[2023-03-16 20:37:24] [INFO ] Flow matrix only has 62309 transitions (discarded 30342 similar events)
[2023-03-16 20:37:24] [INFO ] Invariant cache hit.
[2023-03-16 20:37:24] [INFO ] [Real]Absence check using 12 positive place invariants in 11 ms returned sat
[2023-03-16 20:37:44] [INFO ] After 19914ms SMT Verify possible using state equation in real domain returned unsat :0 sat :1
[2023-03-16 20:37:45] [INFO ] State equation strengthened by 3673 read => feed constraints.
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:642)
at fr.lip6.move.gal.structural.smt.DeadlockTester.testUnreachableWithSMTIncremental(DeadlockTester.java:339)
at fr.lip6.move.gal.structural.smt.DeadlockTester.testUnreachableWithSMT(DeadlockTester.java:223)
at fr.lip6.move.gal.application.solver.ReachabilitySolver.applyReductions(ReachabilitySolver.java:95)
at fr.lip6.move.gal.application.solver.ltl.LTLPropertySolver.addInvarianceKnowledge(LTLPropertySolver.java:701)
at fr.lip6.move.gal.application.solver.ltl.LTLPropertySolver.applyKnowledgeBasedReductions(LTLPropertySolver.java:568)
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)
[2023-03-16 20:37:49] [WARNING] SMT solver failed with error :SMT solver raised an error when submitting script.... while checking expressions.
[2023-03-16 20:37:49] [INFO ] After 25030ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0
Parikh walk visited 0 properties in 13 ms.
Support contains 2 out of 1343 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 1343/1343 places, 92651/92651 transitions.
Drop transitions removed 2819 transitions
Reduce isomorphic transitions removed 2819 transitions.
Iterating post reduction 0 with 2819 rules applied. Total rules applied 2819 place count 1343 transition count 89832
Free-agglomeration rule applied 32 times.
Iterating global reduction 1 with 32 rules applied. Total rules applied 2851 place count 1343 transition count 89800
Reduce places removed 32 places and 0 transitions.
Drop transitions removed 44 transitions
Ensure Unique test removed 555 transitions
Reduce isomorphic transitions removed 599 transitions.
Iterating post reduction 1 with 631 rules applied. Total rules applied 3482 place count 1311 transition count 89201
Free-agglomeration rule (complex) applied 15 times with reduction of 16 identical transitions.
Iterating global reduction 2 with 15 rules applied. Total rules applied 3497 place count 1311 transition count 89934
Reduce places removed 15 places and 0 transitions.
Drop transitions removed 5 transitions
Ensure Unique test removed 21 transitions
Reduce isomorphic transitions removed 26 transitions.
Iterating post reduction 2 with 41 rules applied. Total rules applied 3538 place count 1296 transition count 89908
Applied a total of 3538 rules in 1846 ms. Remains 1296 /1343 variables (removed 47) and now considering 89908/92651 (removed 2743) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 1849 ms. Remains : 1296/1343 places, 89908/92651 transitions.
Incomplete random walk after 10000 steps, including 3 resets, run finished after 746 ms. (steps per millisecond=13 ) properties (out of 1) seen :0
Incomplete Best-First random walk after 10000 steps, including 2 resets, run finished after 75 ms. (steps per millisecond=133 ) properties (out of 1) seen :0
Interrupted probabilistic random walk after 9151 steps, run timeout after 3003 ms. (steps per millisecond=3 ) properties seen :{}
Probabilistic random walk after 9151 steps, saw 7245 distinct states, run finished after 3003 ms. (steps per millisecond=3 ) properties seen :0
Running SMT prover for 1 properties.
[2023-03-16 20:37:55] [INFO ] Flow matrix only has 62424 transitions (discarded 27484 similar events)
// Phase 1: matrix 62424 rows 1296 cols
[2023-03-16 20:37:55] [INFO ] Computed 12 place invariants in 189 ms
[2023-03-16 20:37:55] [INFO ] [Real]Absence check using 12 positive place invariants in 9 ms returned sat
[2023-03-16 20:38:16] [INFO ] After 20269ms SMT Verify possible using state equation in real domain returned unsat :0 sat :1
[2023-03-16 20:38:16] [INFO ] State equation strengthened by 3688 read => feed constraints.
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:642)
at fr.lip6.move.gal.structural.smt.DeadlockTester.testUnreachableWithSMTIncremental(DeadlockTester.java:339)
at fr.lip6.move.gal.structural.smt.DeadlockTester.testUnreachableWithSMT(DeadlockTester.java:223)
at fr.lip6.move.gal.application.solver.ReachabilitySolver.applyReductions(ReachabilitySolver.java:95)
at fr.lip6.move.gal.application.solver.ltl.LTLPropertySolver.addInvarianceKnowledge(LTLPropertySolver.java:701)
at fr.lip6.move.gal.application.solver.ltl.LTLPropertySolver.applyKnowledgeBasedReductions(LTLPropertySolver.java:568)
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)
[2023-03-16 20:38:20] [WARNING] SMT solver failed with error :SMT solver raised an error when submitting script.... while checking expressions.
[2023-03-16 20:38:20] [INFO ] After 25049ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0
Parikh walk visited 0 properties in 15 ms.
Support contains 2 out of 1296 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 1296/1296 places, 89908/89908 transitions.
Applied a total of 0 rules in 596 ms. Remains 1296 /1296 variables (removed 0) and now considering 89908/89908 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 596 ms. Remains : 1296/1296 places, 89908/89908 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 1296/1296 places, 89908/89908 transitions.
Applied a total of 0 rules in 434 ms. Remains 1296 /1296 variables (removed 0) and now considering 89908/89908 (removed 0) transitions.
[2023-03-16 20:38:21] [INFO ] Flow matrix only has 62424 transitions (discarded 27484 similar events)
[2023-03-16 20:38:21] [INFO ] Invariant cache hit.
[2023-03-16 20:38:25] [INFO ] Implicit Places using invariants in 3813 ms returned []
Implicit Place search using SMT only with invariants took 3814 ms to find 0 implicit places.
[2023-03-16 20:38:25] [INFO ] Flow matrix only has 62424 transitions (discarded 27484 similar events)
[2023-03-16 20:38:25] [INFO ] Invariant cache hit.
[2023-03-16 20:38:55] [INFO ] Performed 86168/89908 'is it Dead' test of which 0 returned DEAD in 30 seconds.
[2023-03-16 20:38:57] [INFO ] Dead Transitions using invariants and state equation in 31469 ms found 0 transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 35730 ms. Remains : 1296/1296 places, 89908/89908 transitions.
Graph (trivial) has 31584 edges and 1296 vertex of which 1032 / 1296 are part of one of the 152 SCC in 5 ms
Free SCC test removed 880 places
Drop transitions removed 33012 transitions
Ensure Unique test removed 48155 transitions
Reduce isomorphic transitions removed 81167 transitions.
Graph (complete) has 8395 edges and 416 vertex of which 401 are kept as prefixes of interest. Removing 15 places using SCC suffix rule.4 ms
Discarding 15 places :
Also discarding 2 output transitions
Drop transitions removed 2 transitions
Drop transitions removed 23 transitions
Ensure Unique test removed 19 transitions
Reduce isomorphic transitions removed 42 transitions.
Iterating post reduction 0 with 42 rules applied. Total rules applied 44 place count 401 transition count 8697
Performed 1 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 1 with 1 Pre rules applied. Total rules applied 44 place count 401 transition count 8696
Deduced a syphon composed of 1 places in 1 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 1 with 2 rules applied. Total rules applied 46 place count 400 transition count 8696
Discarding 3 places :
Symmetric choice reduction at 1 with 3 rule applications. Total rules 49 place count 397 transition count 8684
Iterating global reduction 1 with 3 rules applied. Total rules applied 52 place count 397 transition count 8684
Ensure Unique test removed 6 transitions
Reduce isomorphic transitions removed 6 transitions.
Iterating post reduction 1 with 6 rules applied. Total rules applied 58 place count 397 transition count 8678
Performed 4 Post agglomeration using F-continuation condition.Transition count delta: 4
Deduced a syphon composed of 4 places in 2 ms
Reduce places removed 4 places and 0 transitions.
Iterating global reduction 2 with 8 rules applied. Total rules applied 66 place count 393 transition count 8674
Ensure Unique test removed 73 transitions
Reduce isomorphic transitions removed 73 transitions.
Iterating post reduction 2 with 73 rules applied. Total rules applied 139 place count 393 transition count 8601
Drop transitions removed 3979 transitions
Redundant transition composition rules discarded 3979 transitions
Iterating global reduction 3 with 3979 rules applied. Total rules applied 4118 place count 393 transition count 4622
Reduce places removed 3 places and 0 transitions.
Drop transitions removed 51 transitions
Reduce isomorphic transitions removed 51 transitions.
Graph (complete) has 5268 edges and 390 vertex of which 357 are kept as prefixes of interest. Removing 33 places using SCC suffix rule.2 ms
Discarding 33 places :
Also discarding 7 output transitions
Drop transitions removed 7 transitions
Iterating post reduction 3 with 55 rules applied. Total rules applied 4173 place count 357 transition count 4564
Drop transitions removed 450 transitions
Ensure Unique test removed 12 transitions
Reduce isomorphic transitions removed 462 transitions.
Iterating post reduction 4 with 462 rules applied. Total rules applied 4635 place count 357 transition count 4102
Performed 1 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 5 with 1 Pre rules applied. Total rules applied 4635 place count 357 transition count 4101
Deduced a syphon composed of 1 places in 1 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 5 with 2 rules applied. Total rules applied 4637 place count 356 transition count 4101
Discarding 6 places :
Symmetric choice reduction at 5 with 6 rule applications. Total rules 4643 place count 350 transition count 4079
Iterating global reduction 5 with 6 rules applied. Total rules applied 4649 place count 350 transition count 4079
Discarding 4 places :
Symmetric choice reduction at 5 with 4 rule applications. Total rules 4653 place count 346 transition count 4063
Iterating global reduction 5 with 4 rules applied. Total rules applied 4657 place count 346 transition count 4063
Performed 5 Post agglomeration using F-continuation condition.Transition count delta: 5
Deduced a syphon composed of 5 places in 1 ms
Reduce places removed 5 places and 0 transitions.
Iterating global reduction 5 with 10 rules applied. Total rules applied 4667 place count 341 transition count 4058
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 5 with 1 rules applied. Total rules applied 4668 place count 341 transition count 4057
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: -13
Deduced a syphon composed of 1 places in 1 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 6 with 2 rules applied. Total rules applied 4670 place count 340 transition count 4070
Drop transitions removed 23 transitions
Redundant transition composition rules discarded 23 transitions
Iterating global reduction 6 with 23 rules applied. Total rules applied 4693 place count 340 transition count 4047
Free-agglomeration rule applied 20 times with reduction of 7 identical transitions.
Iterating global reduction 6 with 20 rules applied. Total rules applied 4713 place count 340 transition count 4020
Reduce places removed 20 places and 0 transitions.
Ensure Unique test removed 65 transitions
Reduce isomorphic transitions removed 65 transitions.
Iterating post reduction 6 with 85 rules applied. Total rules applied 4798 place count 320 transition count 3955
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: -9
Deduced a syphon composed of 1 places in 1 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 7 with 2 rules applied. Total rules applied 4800 place count 319 transition count 3964
Drop transitions removed 95 transitions
Redundant transition composition rules discarded 95 transitions
Iterating global reduction 7 with 95 rules applied. Total rules applied 4895 place count 319 transition count 3869
Free-agglomeration rule applied 11 times with reduction of 2 identical transitions.
Iterating global reduction 7 with 11 rules applied. Total rules applied 4906 place count 319 transition count 3856
Reduce places removed 11 places and 0 transitions.
Ensure Unique test removed 10 transitions
Reduce isomorphic transitions removed 10 transitions.
Iterating post reduction 7 with 21 rules applied. Total rules applied 4927 place count 308 transition count 3846
Drop transitions removed 28 transitions
Redundant transition composition rules discarded 28 transitions
Iterating global reduction 8 with 28 rules applied. Total rules applied 4955 place count 308 transition count 3818
Free-agglomeration rule applied 4 times.
Iterating global reduction 8 with 4 rules applied. Total rules applied 4959 place count 308 transition count 3814
Reduce places removed 4 places and 0 transitions.
Iterating post reduction 8 with 4 rules applied. Total rules applied 4963 place count 304 transition count 3814
Drop transitions removed 11 transitions
Redundant transition composition rules discarded 11 transitions
Iterating global reduction 9 with 11 rules applied. Total rules applied 4974 place count 304 transition count 3803
Free-agglomeration rule applied 1 times.
Iterating global reduction 9 with 1 rules applied. Total rules applied 4975 place count 304 transition count 3802
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 9 with 1 rules applied. Total rules applied 4976 place count 303 transition count 3802
Free-agglomeration rule (complex) applied 7 times with reduction of 11 identical transitions.
Iterating global reduction 10 with 7 rules applied. Total rules applied 4983 place count 303 transition count 3875
Reduce places removed 7 places and 0 transitions.
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 10 with 8 rules applied. Total rules applied 4991 place count 296 transition count 3874
Drop transitions removed 41 transitions
Redundant transition composition rules discarded 41 transitions
Iterating global reduction 11 with 41 rules applied. Total rules applied 5032 place count 296 transition count 3833
Applied a total of 5032 rules in 1487 ms. Remains 296 /1296 variables (removed 1000) and now considering 3833/89908 (removed 86075) transitions.
Running SMT prover for 1 properties.
[2023-03-16 20:38:58] [INFO ] Flow matrix only has 3716 transitions (discarded 117 similar events)
// Phase 1: matrix 3716 rows 296 cols
[2023-03-16 20:38:58] [INFO ] Computed 0 place invariants in 17 ms
[2023-03-16 20:38:59] [INFO ] After 609ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
[2023-03-16 20:38:59] [INFO ] After 551ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
[2023-03-16 20:38:59] [INFO ] State equation strengthened by 16 read => feed constraints.
[2023-03-16 20:39:00] [INFO ] After 84ms SMT Verify possible using 16 Read/Feed constraints in natural domain returned unsat :0 sat :1
[2023-03-16 20:39:00] [INFO ] After 203ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
Attempting to minimize the solution found.
Minimization took 77 ms.
[2023-03-16 20:39:00] [INFO ] After 880ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
Knowledge obtained : [p0, (X p0), true, (X (X p0))]
False Knowledge obtained : []
Knowledge based reduction with 4 factoid took 148 ms. Reduced automaton from 2 states, 3 edges and 1 AP (stutter insensitive) to 2 states, 3 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 45 ms :[true, (NOT p0)]
Stuttering acceptance computed with spot in 43 ms :[true, (NOT p0)]
Stuttering acceptance computed with spot in 49 ms :[true, (NOT p0)]
Product exploration explored 100000 steps with 0 reset in 5406 ms.
Product exploration explored 100000 steps with 0 reset in 5392 ms.
Built C files in :
/tmp/ltsmin6044486583430099993
[2023-03-16 20:39:11] [INFO ] Too many transitions (92651) to apply POR reductions. Disabling POR matrices.
[2023-03-16 20:39:11] [INFO ] Built C files in 536ms conformant to PINS (ltsmin variant)in folder :/tmp/ltsmin6044486583430099993
Running compilation step : cd /tmp/ltsmin6044486583430099993;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202303021504/bin/limit_time.pl' '3' 'gcc' '-c' '-I/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202303021504/bin/include/' '-I.' '-std=c99' '-fPIC' '-O0' 'model.c'
WARNING : LTS min runner thread failed on error :java.lang.RuntimeException: Compilation or link of executable timed out.java.util.concurrent.TimeoutException: Subprocess running cd /tmp/ltsmin6044486583430099993;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202303021504/bin/limit_time.pl' '3' 'gcc' '-c' '-I/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202303021504/bin/include/' '-I.' '-std=c99' '-fPIC' '-O0' 'model.c' killed by timeout after 3 SECONDS
java.lang.RuntimeException: Compilation or link of executable timed out.java.util.concurrent.TimeoutException: Subprocess running cd /tmp/ltsmin6044486583430099993;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202303021504/bin/limit_time.pl' '3' 'gcc' '-c' '-I/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202303021504/bin/include/' '-I.' '-std=c99' '-fPIC' '-O0' 'model.c' killed by timeout after 3 SECONDS
at fr.lip6.move.gal.application.runner.ltsmin.LTSminRunner$1.run(LTSminRunner.java:92)
at java.base/java.lang.Thread.run(Thread.java:833)
Support contains 2 out of 1343 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 1343/1343 places, 92651/92651 transitions.
Applied a total of 0 rules in 399 ms. Remains 1343 /1343 variables (removed 0) and now considering 92651/92651 (removed 0) transitions.
[2023-03-16 20:39:15] [INFO ] Flow matrix only has 62309 transitions (discarded 30342 similar events)
// Phase 1: matrix 62309 rows 1343 cols
[2023-03-16 20:39:15] [INFO ] Computed 12 place invariants in 230 ms
[2023-03-16 20:39:19] [INFO ] Implicit Places using invariants in 3877 ms returned []
Implicit Place search using SMT only with invariants took 3879 ms to find 0 implicit places.
[2023-03-16 20:39:19] [INFO ] Flow matrix only has 62309 transitions (discarded 30342 similar events)
[2023-03-16 20:39:19] [INFO ] Invariant cache hit.
[2023-03-16 20:39:49] [INFO ] Performed 87318/92651 'is it Dead' test of which 0 returned DEAD in 30 seconds.
[2023-03-16 20:39:51] [INFO ] Dead Transitions using invariants and state equation in 31969 ms found 0 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 36249 ms. Remains : 1343/1343 places, 92651/92651 transitions.
Built C files in :
/tmp/ltsmin12317635576641942295
[2023-03-16 20:39:51] [INFO ] Too many transitions (92651) to apply POR reductions. Disabling POR matrices.
[2023-03-16 20:39:52] [INFO ] Built C files in 524ms conformant to PINS (ltsmin variant)in folder :/tmp/ltsmin12317635576641942295
Running compilation step : cd /tmp/ltsmin12317635576641942295;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202303021504/bin/limit_time.pl' '3' 'gcc' '-c' '-I/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202303021504/bin/include/' '-I.' '-std=c99' '-fPIC' '-O0' 'model.c'
WARNING : LTS min runner thread failed on error :java.lang.RuntimeException: Compilation or link of executable timed out.java.util.concurrent.TimeoutException: Subprocess running cd /tmp/ltsmin12317635576641942295;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202303021504/bin/limit_time.pl' '3' 'gcc' '-c' '-I/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202303021504/bin/include/' '-I.' '-std=c99' '-fPIC' '-O0' 'model.c' killed by timeout after 3 SECONDS
java.lang.RuntimeException: Compilation or link of executable timed out.java.util.concurrent.TimeoutException: Subprocess running cd /tmp/ltsmin12317635576641942295;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202303021504/bin/limit_time.pl' '3' 'gcc' '-c' '-I/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202303021504/bin/include/' '-I.' '-std=c99' '-fPIC' '-O0' 'model.c' killed by timeout after 3 SECONDS
at fr.lip6.move.gal.application.runner.ltsmin.LTSminRunner$1.run(LTSminRunner.java:92)
at java.base/java.lang.Thread.run(Thread.java:833)
[2023-03-16 20:39:59] [INFO ] Flatten gal took : 2265 ms
[2023-03-16 20:40:01] [INFO ] Flatten gal took : 2248 ms
[2023-03-16 20:40:03] [INFO ] Time to serialize gal into /tmp/LTL17064991225324823999.gal : 1867 ms
[2023-03-16 20:40:03] [INFO ] Time to serialize properties into /tmp/LTL16654703680087550274.prop : 1 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202303021504/bin/its-ltl-linux64' '--gc-threshold' '2000000' '-i' '/tmp/LTL17064991225324823999.gal' '-t' 'CGAL' '-hoa' '/tmp/aut17796116764529647386.hoa' '-atoms' '/tmp/LTL16654703680087550274.prop' '-c' '-stutter-deadlock' '--gen-order' 'FOLLOW'

its-ltl command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202303021504/bin/its-ltl-linux64 --gc-threshold 2000000 -i /tmp/L...320
Loading property file /tmp/LTL16654703680087550274.prop.
Loaded 1 atomic propositions.
Checking formula 0 provided in automaton : /tmp/aut17796116764529647386.hoa
Detected timeout of ITS tools.
[2023-03-16 20:40:21] [INFO ] Flatten gal took : 2159 ms
[2023-03-16 20:40:24] [INFO ] Flatten gal took : 2363 ms
[2023-03-16 20:40:24] [INFO ] Time to serialize gal into /tmp/LTL14124946845314246060.gal : 298 ms
[2023-03-16 20:40:24] [INFO ] Time to serialize properties into /tmp/LTL5193351516020948206.ltl : 1 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202303021504/bin/its-ltl-linux64' '--gc-threshold' '2000000' '-i' '/tmp/LTL14124946845314246060.gal' '-t' 'CGAL' '-LTL' '/tmp/LTL5193351516020948206.ltl' '-c' '-stutter-deadlock' '--gen-order' 'FOLLOW'

its-ltl command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202303021504/bin/its-ltl-linux64 --gc-threshold 2000000 -i /tmp/L...276
Read 1 LTL properties
Checking formula 0 : !((G((X(("((ps519==0)||(ps563==0))")&&(G(F("((ps519==0)||(ps563==0))")))))&&("((ps519==0)||(ps563==0))"))))
Formula 0 simplified : F(!"((ps519==0)||(ps563==0))" | X(!"((ps519==0)||(ps563==0))" | FG!"((ps519==0)||(ps563==0))"))
Detected timeout of ITS tools.
[2023-03-16 20:40:42] [INFO ] Flatten gal took : 2330 ms
[2023-03-16 20:40:42] [INFO ] Applying decomposition
[2023-03-16 20:40:44] [INFO ] Flatten gal took : 2167 ms
Converted graph to binary with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202303021504/bin/convert-linux64' '-i' '/tmp/graph10809366782562224167.txt' '-o' '/tmp/graph10809366782562224167.bin' '-w' '/tmp/graph10809366782562224167.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202303021504/bin/louvain-linux64' '/tmp/graph10809366782562224167.bin' '-l' '-1' '-v' '-w' '/tmp/graph10809366782562224167.weights' '-q' '0' '-e' '0.001'
[2023-03-16 20:40:48] [INFO ] Decomposing Gal with order
[2023-03-16 20:40:48] [INFO ] Rewriting arrays to variables to allow decomposition.
[2023-03-16 20:40:55] [INFO ] Removed a total of 201623 redundant transitions.
[2023-03-16 20:40:56] [INFO ] Flatten gal took : 6044 ms
[2023-03-16 20:41:02] [INFO ] Fuse similar labels procedure discarded/fused a total of 3138 labels/synchronizations in 4128 ms.
[2023-03-16 20:41:02] [INFO ] Time to serialize gal into /tmp/LTL1091149725705323108.gal : 117 ms
[2023-03-16 20:41:02] [INFO ] Time to serialize properties into /tmp/LTL14447787731892324995.ltl : 3 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202303021504/bin/its-ltl-linux64' '--gc-threshold' '2000000' '-i' '/tmp/LTL1091149725705323108.gal' '-t' 'CGAL' '-LTL' '/tmp/LTL14447787731892324995.ltl' '-c' '-stutter-deadlock'

its-ltl command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202303021504/bin/its-ltl-linux64 --gc-threshold 2000000 -i /tmp/L...255
Read 1 LTL properties
Checking formula 0 : !((G((X(("((i0.u12.ps519==0)||(i5.u197.ps563==0))")&&(G(F("((i0.u12.ps519==0)||(i5.u197.ps563==0))")))))&&("((i0.u12.ps519==0)||(i5.u1...173
Formula 0 simplified : F(!"((i0.u12.ps519==0)||(i5.u197.ps563==0))" | X(!"((i0.u12.ps519==0)||(i5.u197.ps563==0))" | FG!"((i0.u12.ps519==0)||(i5.u197.ps563...163
Detected timeout of ITS tools.
Built C files in :
/tmp/ltsmin735408522981334728
[2023-03-16 20:41:18] [INFO ] Built C files in 527ms conformant to PINS (ltsmin variant)in folder :/tmp/ltsmin735408522981334728
Running compilation step : cd /tmp/ltsmin735408522981334728;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202303021504/bin/limit_time.pl' '3' 'gcc' '-c' '-I/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202303021504/bin/include/' '-I.' '-std=c99' '-fPIC' '-O0' 'model.c'
WARNING : LTS min runner thread failed on error :java.lang.RuntimeException: Compilation or link of executable timed out.java.util.concurrent.TimeoutException: Subprocess running cd /tmp/ltsmin735408522981334728;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202303021504/bin/limit_time.pl' '3' 'gcc' '-c' '-I/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202303021504/bin/include/' '-I.' '-std=c99' '-fPIC' '-O0' 'model.c' killed by timeout after 3 SECONDS
java.lang.RuntimeException: Compilation or link of executable timed out.java.util.concurrent.TimeoutException: Subprocess running cd /tmp/ltsmin735408522981334728;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202303021504/bin/limit_time.pl' '3' 'gcc' '-c' '-I/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202303021504/bin/include/' '-I.' '-std=c99' '-fPIC' '-O0' 'model.c' killed by timeout after 3 SECONDS
at fr.lip6.move.gal.application.runner.ltsmin.LTSminRunner$1.run(LTSminRunner.java:92)
at java.base/java.lang.Thread.run(Thread.java:833)
Treatment of property RERS2020-PT-pb107-LTLFireability-01 finished in 425740 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202303021504/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(X(G((X(p1)&&F(p2)&&p0)))))'
Support contains 4 out of 1369 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 1369/1369 places, 93216/93216 transitions.
Applied a total of 0 rules in 133 ms. Remains 1369 /1369 variables (removed 0) and now considering 93216/93216 (removed 0) transitions.
[2023-03-16 20:41:21] [INFO ] Flow matrix only has 62870 transitions (discarded 30346 similar events)
// Phase 1: matrix 62870 rows 1369 cols
[2023-03-16 20:41:21] [INFO ] Computed 12 place invariants in 275 ms
[2023-03-16 20:41:25] [INFO ] Implicit Places using invariants in 3862 ms returned []
Implicit Place search using SMT only with invariants took 3869 ms to find 0 implicit places.
[2023-03-16 20:41:25] [INFO ] Flow matrix only has 62870 transitions (discarded 30346 similar events)
[2023-03-16 20:41:25] [INFO ] Invariant cache hit.
[2023-03-16 20:41:55] [INFO ] Performed 85808/93216 'is it Dead' test of which 0 returned DEAD in 30 seconds.
[2023-03-16 20:41:58] [INFO ] Dead Transitions using invariants and state equation in 33018 ms found 0 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 37024 ms. Remains : 1369/1369 places, 93216/93216 transitions.
Stuttering acceptance computed with spot in 253 ms :[(OR (NOT p0) (NOT p2) (NOT p1)), (OR (NOT p0) (NOT p2) (NOT p1)), (OR (NOT p0) (NOT p2) (NOT p1)), true, (AND p0 (NOT p1)), (NOT p2)]
Running random walk in product with property : RERS2020-PT-pb107-LTLFireability-02 automaton TGBA Formula[mat=[[{ cond=true, acceptance={} source=0 dest: 1}], [{ cond=true, acceptance={} source=1 dest: 2}], [{ cond=p0, acceptance={} source=2 dest: 2}, { cond=(NOT p0), acceptance={} source=2 dest: 3}, { cond=p0, acceptance={} source=2 dest: 4}, { cond=(AND p0 (NOT p2)), acceptance={} source=2 dest: 5}], [{ cond=true, acceptance={0} source=3 dest: 3}], [{ cond=(AND p0 (NOT p1)), acceptance={} source=4 dest: 3}], [{ cond=(NOT p2), acceptance={0} source=5 dest: 5}]], initial=0, aps=[p0:(AND (EQ s62 1) (EQ s1109 1)), p2:(AND (EQ s62 1) (EQ s1109 1)), p1:(AND (EQ s236 1) (EQ s1034 1))], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, no-univ-branch, stutter-sensitive, very-weak, weak, inherently-weak], stateDesc=[null, null, null, null, null, null][false, false, false, false, false, false]]
Entered a terminal (fully accepting) state of product in 2 steps with 0 reset in 3 ms.
FORMULA RERS2020-PT-pb107-LTLFireability-02 FALSE TECHNIQUES STUTTER_TEST
Treatment of property RERS2020-PT-pb107-LTLFireability-02 finished in 37426 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) U G(p1))))'
Support contains 4 out of 1369 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 1369/1369 places, 93216/93216 transitions.
Applied a total of 0 rules in 130 ms. Remains 1369 /1369 variables (removed 0) and now considering 93216/93216 (removed 0) transitions.
[2023-03-16 20:41:58] [INFO ] Flow matrix only has 62870 transitions (discarded 30346 similar events)
[2023-03-16 20:41:58] [INFO ] Invariant cache hit.
[2023-03-16 20:42:02] [INFO ] Implicit Places using invariants in 3288 ms returned []
Implicit Place search using SMT only with invariants took 3290 ms to find 0 implicit places.
[2023-03-16 20:42:02] [INFO ] Flow matrix only has 62870 transitions (discarded 30346 similar events)
[2023-03-16 20:42:02] [INFO ] Invariant cache hit.
[2023-03-16 20:42:32] [INFO ] Performed 91464/93216 'is it Dead' test of which 0 returned DEAD in 30 seconds.
[2023-03-16 20:42:32] [INFO ] Dead Transitions using invariants and state equation in 30865 ms found 0 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 34288 ms. Remains : 1369/1369 places, 93216/93216 transitions.
Stuttering acceptance computed with spot in 111 ms :[(NOT p1), (NOT p1), p0]
Running random walk in product with property : RERS2020-PT-pb107-LTLFireability-03 automaton TGBA Formula[mat=[[{ cond=true, acceptance={} source=0 dest: 1}], [{ cond=p1, acceptance={} source=1 dest: 1}, { cond=(NOT p1), acceptance={0} source=1 dest: 1}, { cond=(AND (NOT p1) p0), acceptance={} source=1 dest: 2}], [{ cond=p0, acceptance={0} source=2 dest: 2}]], initial=0, aps=[p1:(AND (EQ s212 1) (EQ s1210 1)), p0:(AND (EQ s395 1) (EQ s827 1))], 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 0 reset in 4838 ms.
Stack based approach found an accepted trace after 384 steps with 0 reset with depth 385 and stack size 385 in 22 ms.
FORMULA RERS2020-PT-pb107-LTLFireability-03 FALSE TECHNIQUES STACK_TEST
Treatment of property RERS2020-PT-pb107-LTLFireability-03 finished in 39405 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(p1)))))'
Support contains 4 out of 1369 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 1369/1369 places, 93216/93216 transitions.
Applied a total of 0 rules in 128 ms. Remains 1369 /1369 variables (removed 0) and now considering 93216/93216 (removed 0) transitions.
[2023-03-16 20:42:38] [INFO ] Flow matrix only has 62870 transitions (discarded 30346 similar events)
[2023-03-16 20:42:38] [INFO ] Invariant cache hit.
[2023-03-16 20:42:41] [INFO ] Implicit Places using invariants in 3342 ms returned []
Implicit Place search using SMT only with invariants took 3343 ms to find 0 implicit places.
[2023-03-16 20:42:41] [INFO ] Flow matrix only has 62870 transitions (discarded 30346 similar events)
[2023-03-16 20:42:41] [INFO ] Invariant cache hit.
[2023-03-16 20:43:11] [INFO ] Performed 91271/93216 'is it Dead' test of which 0 returned DEAD in 30 seconds.
[2023-03-16 20:43:12] [INFO ] Dead Transitions using invariants and state equation in 30886 ms found 0 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 34360 ms. Remains : 1369/1369 places, 93216/93216 transitions.
Stuttering acceptance computed with spot in 121 ms :[(NOT p1), (OR (NOT p0) (NOT p1)), (OR (NOT p0) (NOT p1))]
Running random walk in product with property : RERS2020-PT-pb107-LTLFireability-04 automaton TGBA Formula[mat=[[{ cond=(AND p0 (NOT p1)), acceptance={0} source=0 dest: 0}, { cond=(AND (NOT p0) (NOT p1)), acceptance={0} source=0 dest: 2}], [{ 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=[p0:(OR (NEQ s496 1) (NEQ s959 1)), p1:(OR (NEQ s415 1) (NEQ s478 1))], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, deterministic, no-univ-branch, unambiguous, semi-deterministic, stutter-sensitive, weak, inherently-weak], stateDesc=[null, null, null][false, false, false]]
Product exploration timeout after 97600 steps with 32533 reset in 10001 ms.
Product exploration explored 100000 steps with 33333 reset in 9947 ms.
Computed a total of 261 stabilizing places and 30825 stable transitions
Computed a total of 261 stabilizing places and 30825 stable transitions
Knowledge obtained : [(AND p0 p1), (X p0), (X (X (NOT (AND p0 (NOT p1))))), (X (X (NOT (AND (NOT p0) (NOT p1))))), (X (X p0))]
False Knowledge obtained : []
Knowledge sufficient to adopt a stutter insensitive property.
Property proved to be true thanks to knowledge :(AND p0 p1)
Knowledge based reduction with 5 factoid took 184 ms. Reduced automaton from 3 states, 5 edges and 2 AP (stutter sensitive) to 1 states, 0 edges and 0 AP (stutter insensitive).
FORMULA RERS2020-PT-pb107-LTLFireability-04 TRUE TECHNIQUES KNOWLEDGE
Treatment of property RERS2020-PT-pb107-LTLFireability-04 finished in 55149 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(X((X(p0) U p1))))'
Support contains 2 out of 1369 places. Attempting structural reductions.
Property had overlarge support with respect to TGBA, discarding it for now.
Starting structural reductions in LTL mode, iteration 0 : 1369/1369 places, 93216/93216 transitions.
Applied a total of 0 rules in 133 ms. Remains 1369 /1369 variables (removed 0) and now considering 93216/93216 (removed 0) transitions.
[2023-03-16 20:43:33] [INFO ] Flow matrix only has 62870 transitions (discarded 30346 similar events)
[2023-03-16 20:43:33] [INFO ] Invariant cache hit.
[2023-03-16 20:43:36] [INFO ] Implicit Places using invariants in 3387 ms returned []
Implicit Place search using SMT only with invariants took 3388 ms to find 0 implicit places.
[2023-03-16 20:43:36] [INFO ] Flow matrix only has 62870 transitions (discarded 30346 similar events)
[2023-03-16 20:43:36] [INFO ] Invariant cache hit.
[2023-03-16 20:44:06] [INFO ] Performed 90213/93216 'is it Dead' test of which 0 returned DEAD in 30 seconds.
[2023-03-16 20:44:07] [INFO ] Dead Transitions using invariants and state equation in 31266 ms found 0 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 34789 ms. Remains : 1369/1369 places, 93216/93216 transitions.
Stuttering acceptance computed with spot in 85 ms :[(NOT p1), (NOT p1)]
Running random walk in product with property : RERS2020-PT-pb107-LTLFireability-05 automaton TGBA Formula[mat=[[{ cond=true, acceptance={} source=0 dest: 1}], [{ cond=(NOT p1), acceptance={0} source=1 dest: 1}]], initial=0, aps=[p1:(AND (EQ s187 1) (EQ s1172 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][false, false]]
Stuttering criterion allowed to conclude after 182 steps with 0 reset in 12 ms.
FORMULA RERS2020-PT-pb107-LTLFireability-05 FALSE TECHNIQUES STUTTER_TEST
Treatment of property RERS2020-PT-pb107-LTLFireability-05 finished in 35021 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) U p1))))'
Support contains 4 out of 1369 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 1369/1369 places, 93216/93216 transitions.
Reduce places removed 1 places and 1 transitions.
Drop transitions removed 1 transitions
Trivial Post-agglo rules discarded 1 transitions
Performed 1 trivial Post agglomeration. Transition count delta: 1
Iterating post reduction 0 with 1 rules applied. Total rules applied 1 place count 1368 transition count 93214
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 1 with 1 rules applied. Total rules applied 2 place count 1367 transition count 93214
Performed 2 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 2 Pre rules applied. Total rules applied 2 place count 1367 transition count 93212
Deduced a syphon composed of 2 places in 48 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 2 with 4 rules applied. Total rules applied 6 place count 1365 transition count 93212
Performed 17 Post agglomeration using F-continuation condition with reduction of 3 identical transitions.
Deduced a syphon composed of 17 places in 47 ms
Reduce places removed 17 places and 0 transitions.
Iterating global reduction 2 with 34 rules applied. Total rules applied 40 place count 1348 transition count 93192
Ensure Unique test removed 439 transitions
Reduce isomorphic transitions removed 439 transitions.
Iterating post reduction 2 with 439 rules applied. Total rules applied 479 place count 1348 transition count 92753
Performed 4 Post agglomeration using F-continuation condition.Transition count delta: 4
Deduced a syphon composed of 4 places in 73 ms
Reduce places removed 4 places and 0 transitions.
Iterating global reduction 3 with 8 rules applied. Total rules applied 487 place count 1344 transition count 92749
Ensure Unique test removed 96 transitions
Reduce isomorphic transitions removed 96 transitions.
Iterating post reduction 3 with 96 rules applied. Total rules applied 583 place count 1344 transition count 92653
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: -1
Deduced a syphon composed of 1 places in 48 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 4 with 2 rules applied. Total rules applied 585 place count 1343 transition count 92654
Ensure Unique test removed 3 transitions
Reduce isomorphic transitions removed 3 transitions.
Iterating post reduction 4 with 3 rules applied. Total rules applied 588 place count 1343 transition count 92651
Applied a total of 588 rules in 2151 ms. Remains 1343 /1369 variables (removed 26) and now considering 92651/93216 (removed 565) transitions.
[2023-03-16 20:44:10] [INFO ] Flow matrix only has 62309 transitions (discarded 30342 similar events)
// Phase 1: matrix 62309 rows 1343 cols
[2023-03-16 20:44:10] [INFO ] Computed 12 place invariants in 278 ms
[2023-03-16 20:44:14] [INFO ] Implicit Places using invariants in 3661 ms returned []
Implicit Place search using SMT only with invariants took 3662 ms to find 0 implicit places.
[2023-03-16 20:44:14] [INFO ] Flow matrix only has 62309 transitions (discarded 30342 similar events)
[2023-03-16 20:44:14] [INFO ] Invariant cache hit.
[2023-03-16 20:44:44] [INFO ] Performed 90724/92651 'is it Dead' test of which 0 returned DEAD in 30 seconds.
[2023-03-16 20:44:44] [INFO ] Dead Transitions using invariants and state equation in 30843 ms found 0 transitions.
Starting structural reductions in SI_LTL mode, iteration 1 : 1343/1369 places, 92651/93216 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 36659 ms. Remains : 1343/1369 places, 92651/93216 transitions.
Stuttering acceptance computed with spot in 102 ms :[(NOT p1), (AND (NOT p1) (NOT p0)), (NOT p1)]
Running random walk in product with property : RERS2020-PT-pb107-LTLFireability-07 automaton TGBA Formula[mat=[[{ cond=true, acceptance={} source=0 dest: 0}, { cond=(AND (NOT p1) (NOT p0)), acceptance={} source=0 dest: 1}, { cond=(NOT p1), acceptance={} source=0 dest: 2}], [{ cond=(AND p1 (NOT p0)), acceptance={} source=1 dest: 1}, { cond=(AND (NOT p1) (NOT p0)), acceptance={0} source=1 dest: 1}], [{ cond=(AND (NOT p1) (NOT p0)), acceptance={} source=2 dest: 1}, { cond=(NOT p1), acceptance={0} source=2 dest: 2}]], initial=0, aps=[p1:(AND (EQ s556 1) (EQ s567 1)), p0:(AND (EQ s414 1) (EQ s657 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 4870 ms.
Stack based approach found an accepted trace after 404 steps with 0 reset with depth 405 and stack size 405 in 27 ms.
FORMULA RERS2020-PT-pb107-LTLFireability-07 FALSE TECHNIQUES STACK_TEST
Treatment of property RERS2020-PT-pb107-LTLFireability-07 finished in 41806 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((F(p1)||G(p2)||p0))))'
Support contains 6 out of 1369 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 1369/1369 places, 93216/93216 transitions.
Applied a total of 0 rules in 130 ms. Remains 1369 /1369 variables (removed 0) and now considering 93216/93216 (removed 0) transitions.
[2023-03-16 20:44:50] [INFO ] Flow matrix only has 62870 transitions (discarded 30346 similar events)
// Phase 1: matrix 62870 rows 1369 cols
[2023-03-16 20:44:50] [INFO ] Computed 12 place invariants in 257 ms
[2023-03-16 20:44:53] [INFO ] Implicit Places using invariants in 3730 ms returned []
Implicit Place search using SMT only with invariants took 3731 ms to find 0 implicit places.
[2023-03-16 20:44:53] [INFO ] Flow matrix only has 62870 transitions (discarded 30346 similar events)
[2023-03-16 20:44:53] [INFO ] Invariant cache hit.
[2023-03-16 20:45:24] [INFO ] Performed 88521/93216 'is it Dead' test of which 0 returned DEAD in 30 seconds.
[2023-03-16 20:45:25] [INFO ] Dead Transitions using invariants and state equation in 31828 ms found 0 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 35691 ms. Remains : 1369/1369 places, 93216/93216 transitions.
Stuttering acceptance computed with spot in 153 ms :[(AND (NOT p0) (NOT p1) (NOT p2)), (AND (NOT p0) (NOT p1) (NOT p2)), (NOT p1), (AND (NOT p1) p0 (NOT p2))]
Running random walk in product with property : RERS2020-PT-pb107-LTLFireability-08 automaton TGBA Formula[mat=[[{ cond=true, acceptance={} source=0 dest: 1}], [{ cond=true, acceptance={} source=1 dest: 1}, { cond=(AND (NOT p0) (NOT p1) (NOT p2)), acceptance={} source=1 dest: 2}, { cond=(AND (NOT p0) (NOT p1) p2), acceptance={} source=1 dest: 3}], [{ cond=(NOT p1), acceptance={0} source=2 dest: 2}], [{ cond=(AND p0 (NOT p1) (NOT p2)), acceptance={} source=3 dest: 2}, { cond=(AND p0 (NOT p1) p2), acceptance={} source=3 dest: 3}]], initial=0, aps=[p0:(OR (EQ s74 0) (EQ s792 0)), p1:(OR (EQ s132 0) (EQ s188 0)), p2:(OR (EQ s821 0) (EQ s865 0))], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, no-univ-branch, stutter-sensitive, very-weak, weak, inherently-weak], stateDesc=[null, null, null, null][false, false, false, false]]
Product exploration explored 100000 steps with 0 reset in 4938 ms.
Product exploration explored 100000 steps with 0 reset in 5063 ms.
Computed a total of 261 stabilizing places and 30825 stable transitions
Computed a total of 261 stabilizing places and 30825 stable transitions
Detected a total of 261/1369 stabilizing places and 30825/93216 transitions leading to convergence knowledge of the form 'F(Gp|G!p)' for 1/3 atomic propositions.
Knowledge obtained : [(AND p0 p1 p2), (X (NOT (AND (NOT p0) (NOT p1) p2))), (X (NOT (AND (NOT p0) (NOT p1) (NOT p2)))), (X (X p1)), true, (X (X (NOT (AND (NOT p0) (NOT p1) p2)))), (X (X (NOT (AND (NOT p0) (NOT p1) (NOT p2))))), (X (X (NOT (AND p0 (NOT p1) p2)))), (X (X (NOT (AND p0 (NOT p1) (NOT p2))))), (F (OR (G p2) (G (NOT p2))))]
False Knowledge obtained : []
Knowledge based reduction with 10 factoid took 495 ms. Reduced automaton from 4 states, 7 edges and 3 AP (stutter sensitive) to 4 states, 7 edges and 3 AP (stutter sensitive).
Stuttering acceptance computed with spot in 143 ms :[(AND (NOT p0) (NOT p2) (NOT p1)), (AND (NOT p0) (NOT p2) (NOT p1)), (NOT p1), (AND (NOT p1) p0 (NOT p2))]
Incomplete random walk after 10000 steps, including 2 resets, run finished after 628 ms. (steps per millisecond=15 ) properties (out of 5) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 68 ms. (steps per millisecond=147 ) properties (out of 5) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 69 ms. (steps per millisecond=144 ) properties (out of 5) seen :0
Incomplete Best-First random walk after 10001 steps, including 3 resets, run finished after 70 ms. (steps per millisecond=142 ) properties (out of 5) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 68 ms. (steps per millisecond=147 ) properties (out of 5) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 114 ms. (steps per millisecond=87 ) properties (out of 5) seen :0
Interrupted probabilistic random walk after 9045 steps, run timeout after 3003 ms. (steps per millisecond=3 ) properties seen :{}
Probabilistic random walk after 9045 steps, saw 7420 distinct states, run finished after 3003 ms. (steps per millisecond=3 ) properties seen :0
Running SMT prover for 5 properties.
[2023-03-16 20:45:41] [INFO ] Flow matrix only has 62870 transitions (discarded 30346 similar events)
[2023-03-16 20:45:41] [INFO ] Invariant cache hit.
[2023-03-16 20:45:41] [INFO ] [Real]Absence check using 12 positive place invariants in 12 ms returned sat
[2023-03-16 20:46:05] [INFO ] After 23945ms SMT Verify possible using state equation in real domain returned unsat :0 sat :5
[2023-03-16 20:46:06] [INFO ] State equation strengthened by 3692 read => feed constraints.
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:642)
at fr.lip6.move.gal.structural.smt.DeadlockTester.testUnreachableWithSMTIncremental(DeadlockTester.java:339)
at fr.lip6.move.gal.structural.smt.DeadlockTester.testUnreachableWithSMT(DeadlockTester.java:223)
at fr.lip6.move.gal.application.solver.ReachabilitySolver.applyReductions(ReachabilitySolver.java:95)
at fr.lip6.move.gal.application.solver.ltl.LTLPropertySolver.addInvarianceKnowledge(LTLPropertySolver.java:701)
at fr.lip6.move.gal.application.solver.ltl.LTLPropertySolver.applyKnowledgeBasedReductions(LTLPropertySolver.java:568)
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)
[2023-03-16 20:46:06] [WARNING] SMT solver failed with error :SMT solver raised an error when submitting script.... while checking expressions.
[2023-03-16 20:46:06] [INFO ] After 25026ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0
Fused 5 Parikh solutions to 1 different solutions.
Parikh walk visited 0 properties in 0 ms.
Support contains 6 out of 1369 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 1369/1369 places, 93216/93216 transitions.
Drop transitions removed 2811 transitions
Reduce isomorphic transitions removed 2811 transitions.
Drop transitions removed 1 transitions
Trivial Post-agglo rules discarded 1 transitions
Performed 1 trivial Post agglomeration. Transition count delta: 1
Iterating post reduction 0 with 2812 rules applied. Total rules applied 2812 place count 1369 transition count 90404
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 1 with 1 rules applied. Total rules applied 2813 place count 1368 transition count 90404
Performed 2 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 2 Pre rules applied. Total rules applied 2813 place count 1368 transition count 90402
Deduced a syphon composed of 2 places in 47 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 2 with 4 rules applied. Total rules applied 2817 place count 1366 transition count 90402
Drop transitions removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 2 with 2 rules applied. Total rules applied 2819 place count 1366 transition count 90400
Performed 17 Post agglomeration using F-continuation condition with reduction of 3 identical transitions.
Deduced a syphon composed of 17 places in 48 ms
Reduce places removed 17 places and 0 transitions.
Iterating global reduction 3 with 34 rules applied. Total rules applied 2853 place count 1349 transition count 90380
Drop transitions removed 6 transitions
Ensure Unique test removed 439 transitions
Reduce isomorphic transitions removed 445 transitions.
Iterating post reduction 3 with 445 rules applied. Total rules applied 3298 place count 1349 transition count 89935
Performed 4 Post agglomeration using F-continuation condition.Transition count delta: 4
Deduced a syphon composed of 4 places in 48 ms
Reduce places removed 4 places and 0 transitions.
Iterating global reduction 4 with 8 rules applied. Total rules applied 3306 place count 1345 transition count 89931
Drop transitions removed 4 transitions
Ensure Unique test removed 92 transitions
Reduce isomorphic transitions removed 96 transitions.
Iterating post reduction 4 with 96 rules applied. Total rules applied 3402 place count 1345 transition count 89835
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: -1
Deduced a syphon composed of 1 places in 48 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 5 with 2 rules applied. Total rules applied 3404 place count 1344 transition count 89836
Ensure Unique test removed 3 transitions
Reduce isomorphic transitions removed 3 transitions.
Iterating post reduction 5 with 3 rules applied. Total rules applied 3407 place count 1344 transition count 89833
Free-agglomeration rule applied 32 times.
Iterating global reduction 6 with 32 rules applied. Total rules applied 3439 place count 1344 transition count 89801
Reduce places removed 32 places and 0 transitions.
Drop transitions removed 44 transitions
Ensure Unique test removed 555 transitions
Reduce isomorphic transitions removed 599 transitions.
Iterating post reduction 6 with 631 rules applied. Total rules applied 4070 place count 1312 transition count 89202
Free-agglomeration rule (complex) applied 14 times with reduction of 16 identical transitions.
Iterating global reduction 7 with 14 rules applied. Total rules applied 4084 place count 1312 transition count 89850
Reduce places removed 14 places and 0 transitions.
Drop transitions removed 5 transitions
Ensure Unique test removed 21 transitions
Reduce isomorphic transitions removed 26 transitions.
Iterating post reduction 7 with 40 rules applied. Total rules applied 4124 place count 1298 transition count 89824
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 8 with 1 rules applied. Total rules applied 4125 place count 1297 transition count 89823
Applied a total of 4125 rules in 3967 ms. Remains 1297 /1369 variables (removed 72) and now considering 89823/93216 (removed 3393) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 3969 ms. Remains : 1297/1369 places, 89823/93216 transitions.
Incomplete random walk after 10000 steps, including 3 resets, run finished after 669 ms. (steps per millisecond=14 ) properties (out of 5) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 81 ms. (steps per millisecond=123 ) properties (out of 5) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 79 ms. (steps per millisecond=126 ) properties (out of 5) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 73 ms. (steps per millisecond=137 ) properties (out of 5) seen :0
Incomplete Best-First random walk after 10001 steps, including 3 resets, run finished after 84 ms. (steps per millisecond=119 ) properties (out of 5) seen :0
Incomplete Best-First random walk after 10001 steps, including 3 resets, run finished after 83 ms. (steps per millisecond=120 ) properties (out of 5) seen :0
Interrupted probabilistic random walk after 8586 steps, run timeout after 3003 ms. (steps per millisecond=2 ) properties seen :{}
Probabilistic random walk after 8586 steps, saw 6733 distinct states, run finished after 3003 ms. (steps per millisecond=2 ) properties seen :0
Running SMT prover for 5 properties.
[2023-03-16 20:46:14] [INFO ] Flow matrix only has 62339 transitions (discarded 27484 similar events)
// Phase 1: matrix 62339 rows 1297 cols
[2023-03-16 20:46:14] [INFO ] Computed 12 place invariants in 233 ms
[2023-03-16 20:46:14] [INFO ] [Real]Absence check using 12 positive place invariants in 9 ms returned sat
[2023-03-16 20:46:39] [INFO ] After 24327ms SMT Verify possible using state equation in real domain returned unsat :0 sat :5
[2023-03-16 20:46:39] [INFO ] State equation strengthened by 3682 read => feed constraints.
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:642)
at fr.lip6.move.gal.structural.smt.DeadlockTester.testUnreachableWithSMTIncremental(DeadlockTester.java:339)
at fr.lip6.move.gal.structural.smt.DeadlockTester.testUnreachableWithSMT(DeadlockTester.java:223)
at fr.lip6.move.gal.application.solver.ReachabilitySolver.applyReductions(ReachabilitySolver.java:95)
at fr.lip6.move.gal.application.solver.ltl.LTLPropertySolver.addInvarianceKnowledge(LTLPropertySolver.java:701)
at fr.lip6.move.gal.application.solver.ltl.LTLPropertySolver.applyKnowledgeBasedReductions(LTLPropertySolver.java:568)
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)
[2023-03-16 20:46:39] [WARNING] SMT solver failed with error :SMT solver raised an error when submitting script.... while checking expressions.
[2023-03-16 20:46:39] [INFO ] After 25293ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0
Fused 5 Parikh solutions to 1 different solutions.
Parikh walk visited 0 properties in 12 ms.
Support contains 6 out of 1297 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 1297/1297 places, 89823/89823 transitions.
Applied a total of 0 rules in 499 ms. Remains 1297 /1297 variables (removed 0) and now considering 89823/89823 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 499 ms. Remains : 1297/1297 places, 89823/89823 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 1297/1297 places, 89823/89823 transitions.
Applied a total of 0 rules in 472 ms. Remains 1297 /1297 variables (removed 0) and now considering 89823/89823 (removed 0) transitions.
[2023-03-16 20:46:40] [INFO ] Flow matrix only has 62339 transitions (discarded 27484 similar events)
[2023-03-16 20:46:41] [INFO ] Invariant cache hit.
[2023-03-16 20:46:44] [INFO ] Implicit Places using invariants in 3793 ms returned []
Implicit Place search using SMT only with invariants took 3794 ms to find 0 implicit places.
[2023-03-16 20:46:44] [INFO ] Flow matrix only has 62339 transitions (discarded 27484 similar events)
[2023-03-16 20:46:44] [INFO ] Invariant cache hit.
[2023-03-16 20:47:14] [INFO ] Performed 89363/89823 'is it Dead' test of which 0 returned DEAD in 30 seconds.
[2023-03-16 20:47:15] [INFO ] Dead Transitions using invariants and state equation in 30369 ms found 0 transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 34644 ms. Remains : 1297/1297 places, 89823/89823 transitions.
Graph (trivial) has 31248 edges and 1297 vertex of which 1029 / 1297 are part of one of the 152 SCC in 5 ms
Free SCC test removed 877 places
Drop transitions removed 32540 transitions
Ensure Unique test removed 48495 transitions
Reduce isomorphic transitions removed 81035 transitions.
Graph (complete) has 8497 edges and 420 vertex of which 405 are kept as prefixes of interest. Removing 15 places using SCC suffix rule.4 ms
Discarding 15 places :
Also discarding 2 output transitions
Drop transitions removed 2 transitions
Drop transitions removed 23 transitions
Ensure Unique test removed 19 transitions
Reduce isomorphic transitions removed 42 transitions.
Iterating post reduction 0 with 42 rules applied. Total rules applied 44 place count 405 transition count 8744
Performed 1 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 1 with 1 Pre rules applied. Total rules applied 44 place count 405 transition count 8743
Deduced a syphon composed of 1 places in 2 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 1 with 2 rules applied. Total rules applied 46 place count 404 transition count 8743
Discarding 3 places :
Symmetric choice reduction at 1 with 3 rule applications. Total rules 49 place count 401 transition count 8731
Iterating global reduction 1 with 3 rules applied. Total rules applied 52 place count 401 transition count 8731
Ensure Unique test removed 6 transitions
Reduce isomorphic transitions removed 6 transitions.
Iterating post reduction 1 with 6 rules applied. Total rules applied 58 place count 401 transition count 8725
Performed 4 Post agglomeration using F-continuation condition.Transition count delta: 4
Deduced a syphon composed of 4 places in 2 ms
Reduce places removed 4 places and 0 transitions.
Iterating global reduction 2 with 8 rules applied. Total rules applied 66 place count 397 transition count 8721
Ensure Unique test removed 73 transitions
Reduce isomorphic transitions removed 73 transitions.
Iterating post reduction 2 with 73 rules applied. Total rules applied 139 place count 397 transition count 8648
Drop transitions removed 3956 transitions
Redundant transition composition rules discarded 3956 transitions
Iterating global reduction 3 with 3956 rules applied. Total rules applied 4095 place count 397 transition count 4692
Reduce places removed 3 places and 0 transitions.
Drop transitions removed 51 transitions
Reduce isomorphic transitions removed 51 transitions.
Graph (complete) has 5382 edges and 394 vertex of which 362 are kept as prefixes of interest. Removing 32 places using SCC suffix rule.2 ms
Discarding 32 places :
Also discarding 7 output transitions
Drop transitions removed 7 transitions
Iterating post reduction 3 with 55 rules applied. Total rules applied 4150 place count 362 transition count 4634
Drop transitions removed 447 transitions
Ensure Unique test removed 12 transitions
Reduce isomorphic transitions removed 459 transitions.
Iterating post reduction 4 with 459 rules applied. Total rules applied 4609 place count 362 transition count 4175
Performed 1 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 5 with 1 Pre rules applied. Total rules applied 4609 place count 362 transition count 4174
Deduced a syphon composed of 1 places in 1 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 5 with 2 rules applied. Total rules applied 4611 place count 361 transition count 4174
Discarding 6 places :
Symmetric choice reduction at 5 with 6 rule applications. Total rules 4617 place count 355 transition count 4152
Iterating global reduction 5 with 6 rules applied. Total rules applied 4623 place count 355 transition count 4152
Discarding 4 places :
Symmetric choice reduction at 5 with 4 rule applications. Total rules 4627 place count 351 transition count 4136
Iterating global reduction 5 with 4 rules applied. Total rules applied 4631 place count 351 transition count 4136
Performed 5 Post agglomeration using F-continuation condition.Transition count delta: 5
Deduced a syphon composed of 5 places in 1 ms
Reduce places removed 5 places and 0 transitions.
Iterating global reduction 5 with 10 rules applied. Total rules applied 4641 place count 346 transition count 4131
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 5 with 1 rules applied. Total rules applied 4642 place count 346 transition count 4130
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: -13
Deduced a syphon composed of 1 places in 1 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 6 with 2 rules applied. Total rules applied 4644 place count 345 transition count 4143
Drop transitions removed 27 transitions
Redundant transition composition rules discarded 27 transitions
Iterating global reduction 6 with 27 rules applied. Total rules applied 4671 place count 345 transition count 4116
Free-agglomeration rule applied 19 times with reduction of 7 identical transitions.
Iterating global reduction 6 with 19 rules applied. Total rules applied 4690 place count 345 transition count 4090
Reduce places removed 19 places and 0 transitions.
Ensure Unique test removed 62 transitions
Reduce isomorphic transitions removed 62 transitions.
Iterating post reduction 6 with 81 rules applied. Total rules applied 4771 place count 326 transition count 4028
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: -9
Deduced a syphon composed of 1 places in 1 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 7 with 2 rules applied. Total rules applied 4773 place count 325 transition count 4037
Drop transitions removed 95 transitions
Redundant transition composition rules discarded 95 transitions
Iterating global reduction 7 with 95 rules applied. Total rules applied 4868 place count 325 transition count 3942
Free-agglomeration rule applied 10 times with reduction of 2 identical transitions.
Iterating global reduction 7 with 10 rules applied. Total rules applied 4878 place count 325 transition count 3930
Reduce places removed 10 places and 0 transitions.
Ensure Unique test removed 10 transitions
Reduce isomorphic transitions removed 10 transitions.
Iterating post reduction 7 with 20 rules applied. Total rules applied 4898 place count 315 transition count 3920
Drop transitions removed 28 transitions
Redundant transition composition rules discarded 28 transitions
Iterating global reduction 8 with 28 rules applied. Total rules applied 4926 place count 315 transition count 3892
Free-agglomeration rule applied 4 times.
Iterating global reduction 8 with 4 rules applied. Total rules applied 4930 place count 315 transition count 3888
Reduce places removed 4 places and 0 transitions.
Iterating post reduction 8 with 4 rules applied. Total rules applied 4934 place count 311 transition count 3888
Drop transitions removed 13 transitions
Redundant transition composition rules discarded 13 transitions
Iterating global reduction 9 with 13 rules applied. Total rules applied 4947 place count 311 transition count 3875
Free-agglomeration rule applied 1 times.
Iterating global reduction 9 with 1 rules applied. Total rules applied 4948 place count 311 transition count 3874
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 9 with 1 rules applied. Total rules applied 4949 place count 310 transition count 3874
Free-agglomeration rule (complex) applied 7 times with reduction of 11 identical transitions.
Iterating global reduction 10 with 7 rules applied. Total rules applied 4956 place count 310 transition count 3951
Reduce places removed 7 places and 0 transitions.
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 10 with 8 rules applied. Total rules applied 4964 place count 303 transition count 3950
Drop transitions removed 43 transitions
Redundant transition composition rules discarded 43 transitions
Iterating global reduction 11 with 43 rules applied. Total rules applied 5007 place count 303 transition count 3907
Applied a total of 5007 rules in 1557 ms. Remains 303 /1297 variables (removed 994) and now considering 3907/89823 (removed 85916) transitions.
Running SMT prover for 5 properties.
[2023-03-16 20:47:16] [INFO ] Flow matrix only has 3789 transitions (discarded 118 similar events)
// Phase 1: matrix 3789 rows 303 cols
[2023-03-16 20:47:16] [INFO ] Computed 0 place invariants in 30 ms
[2023-03-16 20:47:18] [INFO ] After 1150ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:5
[2023-03-16 20:47:19] [INFO ] After 1034ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :5
[2023-03-16 20:47:19] [INFO ] State equation strengthened by 17 read => feed constraints.
[2023-03-16 20:47:19] [INFO ] After 608ms SMT Verify possible using 17 Read/Feed constraints in natural domain returned unsat :0 sat :5
[2023-03-16 20:47:20] [INFO ] After 1422ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :5
Attempting to minimize the solution found.
Minimization took 687 ms.
[2023-03-16 20:47:21] [INFO ] After 3230ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :5
Knowledge obtained : [(AND p0 p1 p2), (X (NOT (AND (NOT p0) (NOT p1) p2))), (X (NOT (AND (NOT p0) (NOT p1) (NOT p2)))), (X (X p1)), true, (X (X (NOT (AND (NOT p0) (NOT p1) p2)))), (X (X (NOT (AND (NOT p0) (NOT p1) (NOT p2))))), (X (X (NOT (AND p0 (NOT p1) p2)))), (X (X (NOT (AND p0 (NOT p1) (NOT p2))))), (F (OR (G p2) (G (NOT p2))))]
False Knowledge obtained : []
Knowledge based reduction with 10 factoid took 401 ms. Reduced automaton from 4 states, 7 edges and 3 AP (stutter sensitive) to 4 states, 7 edges and 3 AP (stutter sensitive).
Stuttering acceptance computed with spot in 174 ms :[(AND (NOT p0) (NOT p2) (NOT p1)), (AND (NOT p0) (NOT p2) (NOT p1)), (NOT p1), (AND (NOT p1) p0 (NOT p2))]
Stuttering acceptance computed with spot in 152 ms :[(AND (NOT p0) (NOT p2) (NOT p1)), (AND (NOT p0) (NOT p2) (NOT p1)), (NOT p1), (AND (NOT p1) p0 (NOT p2))]
Support contains 6 out of 1369 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 1369/1369 places, 93216/93216 transitions.
Applied a total of 0 rules in 134 ms. Remains 1369 /1369 variables (removed 0) and now considering 93216/93216 (removed 0) transitions.
[2023-03-16 20:47:22] [INFO ] Flow matrix only has 62870 transitions (discarded 30346 similar events)
// Phase 1: matrix 62870 rows 1369 cols
[2023-03-16 20:47:22] [INFO ] Computed 12 place invariants in 299 ms
[2023-03-16 20:47:26] [INFO ] Implicit Places using invariants in 3955 ms returned []
Implicit Place search using SMT only with invariants took 3956 ms to find 0 implicit places.
[2023-03-16 20:47:26] [INFO ] Flow matrix only has 62870 transitions (discarded 30346 similar events)
[2023-03-16 20:47:26] [INFO ] Invariant cache hit.
[2023-03-16 20:47:56] [INFO ] Performed 88260/93216 'is it Dead' test of which 0 returned DEAD in 30 seconds.
[2023-03-16 20:47:58] [INFO ] Dead Transitions using invariants and state equation in 31974 ms found 0 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 36068 ms. Remains : 1369/1369 places, 93216/93216 transitions.
Computed a total of 261 stabilizing places and 30825 stable transitions
Computed a total of 261 stabilizing places and 30825 stable transitions
Detected a total of 261/1369 stabilizing places and 30825/93216 transitions leading to convergence knowledge of the form 'F(Gp|G!p)' for 1/3 atomic propositions.
Knowledge obtained : [(AND p0 p2 p1), (X (NOT (AND (NOT p0) (NOT p2) (NOT p1)))), (X (NOT (AND (NOT p0) p2 (NOT p1)))), (X (X p1)), true, (X (X (NOT (AND p0 (NOT p2) (NOT p1))))), (X (X (NOT (AND (NOT p0) (NOT p2) (NOT p1))))), (X (X (NOT (AND (NOT p0) p2 (NOT p1))))), (X (X (NOT (AND p0 p2 (NOT p1))))), (F (OR (G p2) (G (NOT p2))))]
False Knowledge obtained : []
Knowledge based reduction with 10 factoid took 463 ms. Reduced automaton from 4 states, 7 edges and 3 AP (stutter sensitive) to 4 states, 7 edges and 3 AP (stutter sensitive).
Stuttering acceptance computed with spot in 160 ms :[(AND (NOT p0) (NOT p2) (NOT p1)), (AND (NOT p0) (NOT p2) (NOT p1)), (NOT p1), (AND (NOT p1) p0 (NOT p2))]
Incomplete random walk after 10000 steps, including 5 resets, run finished after 685 ms. (steps per millisecond=14 ) properties (out of 5) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 112 ms. (steps per millisecond=89 ) properties (out of 5) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 79 ms. (steps per millisecond=126 ) properties (out of 5) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 64 ms. (steps per millisecond=156 ) properties (out of 5) seen :0
Incomplete Best-First random walk after 10000 steps, including 2 resets, run finished after 77 ms. (steps per millisecond=129 ) properties (out of 5) seen :0
Incomplete Best-First random walk after 10001 steps, including 3 resets, run finished after 76 ms. (steps per millisecond=131 ) properties (out of 5) seen :0
Interrupted probabilistic random walk after 8309 steps, run timeout after 3001 ms. (steps per millisecond=2 ) properties seen :{}
Probabilistic random walk after 8309 steps, saw 6810 distinct states, run finished after 3001 ms. (steps per millisecond=2 ) properties seen :0
Running SMT prover for 5 properties.
[2023-03-16 20:48:03] [INFO ] Flow matrix only has 62870 transitions (discarded 30346 similar events)
[2023-03-16 20:48:03] [INFO ] Invariant cache hit.
[2023-03-16 20:48:03] [INFO ] [Real]Absence check using 12 positive place invariants in 13 ms returned sat
[2023-03-16 20:48:27] [INFO ] After 23631ms SMT Verify possible using state equation in real domain returned unsat :0 sat :5
[2023-03-16 20:48:27] [INFO ] State equation strengthened by 3692 read => feed constraints.
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:642)
at fr.lip6.move.gal.structural.smt.DeadlockTester.testUnreachableWithSMTIncremental(DeadlockTester.java:339)
at fr.lip6.move.gal.structural.smt.DeadlockTester.testUnreachableWithSMT(DeadlockTester.java:223)
at fr.lip6.move.gal.application.solver.ReachabilitySolver.applyReductions(ReachabilitySolver.java:95)
at fr.lip6.move.gal.application.solver.ltl.LTLPropertySolver.addInvarianceKnowledge(LTLPropertySolver.java:701)
at fr.lip6.move.gal.application.solver.ltl.LTLPropertySolver.applyKnowledgeBasedReductions(LTLPropertySolver.java:568)
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)
[2023-03-16 20:48:28] [WARNING] SMT solver failed with error :SMT solver raised an error when submitting script.... while checking expressions.
[2023-03-16 20:48:28] [INFO ] After 25121ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0
Fused 5 Parikh solutions to 1 different solutions.
Parikh walk visited 0 properties in 0 ms.
Support contains 6 out of 1369 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 1369/1369 places, 93216/93216 transitions.
Drop transitions removed 2811 transitions
Reduce isomorphic transitions removed 2811 transitions.
Drop transitions removed 1 transitions
Trivial Post-agglo rules discarded 1 transitions
Performed 1 trivial Post agglomeration. Transition count delta: 1
Iterating post reduction 0 with 2812 rules applied. Total rules applied 2812 place count 1369 transition count 90404
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 1 with 1 rules applied. Total rules applied 2813 place count 1368 transition count 90404
Performed 2 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 2 Pre rules applied. Total rules applied 2813 place count 1368 transition count 90402
Deduced a syphon composed of 2 places in 45 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 2 with 4 rules applied. Total rules applied 2817 place count 1366 transition count 90402
Drop transitions removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 2 with 2 rules applied. Total rules applied 2819 place count 1366 transition count 90400
Performed 17 Post agglomeration using F-continuation condition with reduction of 3 identical transitions.
Deduced a syphon composed of 17 places in 47 ms
Reduce places removed 17 places and 0 transitions.
Iterating global reduction 3 with 34 rules applied. Total rules applied 2853 place count 1349 transition count 90380
Drop transitions removed 6 transitions
Ensure Unique test removed 439 transitions
Reduce isomorphic transitions removed 445 transitions.
Iterating post reduction 3 with 445 rules applied. Total rules applied 3298 place count 1349 transition count 89935
Performed 4 Post agglomeration using F-continuation condition.Transition count delta: 4
Deduced a syphon composed of 4 places in 48 ms
Reduce places removed 4 places and 0 transitions.
Iterating global reduction 4 with 8 rules applied. Total rules applied 3306 place count 1345 transition count 89931
Drop transitions removed 4 transitions
Ensure Unique test removed 92 transitions
Reduce isomorphic transitions removed 96 transitions.
Iterating post reduction 4 with 96 rules applied. Total rules applied 3402 place count 1345 transition count 89835
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: -1
Deduced a syphon composed of 1 places in 47 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 5 with 2 rules applied. Total rules applied 3404 place count 1344 transition count 89836
Ensure Unique test removed 3 transitions
Reduce isomorphic transitions removed 3 transitions.
Iterating post reduction 5 with 3 rules applied. Total rules applied 3407 place count 1344 transition count 89833
Free-agglomeration rule applied 32 times.
Iterating global reduction 6 with 32 rules applied. Total rules applied 3439 place count 1344 transition count 89801
Reduce places removed 32 places and 0 transitions.
Drop transitions removed 44 transitions
Ensure Unique test removed 555 transitions
Reduce isomorphic transitions removed 599 transitions.
Iterating post reduction 6 with 631 rules applied. Total rules applied 4070 place count 1312 transition count 89202
Free-agglomeration rule (complex) applied 14 times with reduction of 16 identical transitions.
Iterating global reduction 7 with 14 rules applied. Total rules applied 4084 place count 1312 transition count 89850
Reduce places removed 14 places and 0 transitions.
Drop transitions removed 5 transitions
Ensure Unique test removed 21 transitions
Reduce isomorphic transitions removed 26 transitions.
Iterating post reduction 7 with 40 rules applied. Total rules applied 4124 place count 1298 transition count 89824
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 8 with 1 rules applied. Total rules applied 4125 place count 1297 transition count 89823
Applied a total of 4125 rules in 3803 ms. Remains 1297 /1369 variables (removed 72) and now considering 89823/93216 (removed 3393) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 3805 ms. Remains : 1297/1369 places, 89823/93216 transitions.
Incomplete random walk after 10000 steps, including 2 resets, run finished after 636 ms. (steps per millisecond=15 ) properties (out of 5) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 74 ms. (steps per millisecond=135 ) properties (out of 5) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 70 ms. (steps per millisecond=142 ) properties (out of 5) seen :0
Incomplete Best-First random walk after 10000 steps, including 2 resets, run finished after 64 ms. (steps per millisecond=156 ) properties (out of 5) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 68 ms. (steps per millisecond=147 ) properties (out of 5) seen :0
Incomplete Best-First random walk after 10001 steps, including 3 resets, run finished after 76 ms. (steps per millisecond=131 ) properties (out of 5) seen :0
Interrupted probabilistic random walk after 9129 steps, run timeout after 3003 ms. (steps per millisecond=3 ) properties seen :{}
Probabilistic random walk after 9129 steps, saw 7226 distinct states, run finished after 3003 ms. (steps per millisecond=3 ) properties seen :0
Running SMT prover for 5 properties.
[2023-03-16 20:48:36] [INFO ] Flow matrix only has 62339 transitions (discarded 27484 similar events)
// Phase 1: matrix 62339 rows 1297 cols
[2023-03-16 20:48:36] [INFO ] Computed 12 place invariants in 211 ms
[2023-03-16 20:48:37] [INFO ] [Real]Absence check using 12 positive place invariants in 10 ms returned sat
[2023-03-16 20:49:01] [INFO ] After 24282ms SMT Verify possible using state equation in real domain returned unsat :0 sat :5
[2023-03-16 20:49:01] [INFO ] State equation strengthened by 3682 read => feed constraints.
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:642)
at fr.lip6.move.gal.structural.smt.DeadlockTester.testUnreachableWithSMTIncremental(DeadlockTester.java:339)
at fr.lip6.move.gal.structural.smt.DeadlockTester.testUnreachableWithSMT(DeadlockTester.java:223)
at fr.lip6.move.gal.application.solver.ReachabilitySolver.applyReductions(ReachabilitySolver.java:95)
at fr.lip6.move.gal.application.solver.ltl.LTLPropertySolver.addInvarianceKnowledge(LTLPropertySolver.java:701)
at fr.lip6.move.gal.application.solver.ltl.LTLPropertySolver.applyKnowledgeBasedReductions(LTLPropertySolver.java:568)
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)
[2023-03-16 20:49:01] [WARNING] SMT solver failed with error :SMT solver raised an error when submitting script.... while checking expressions.
[2023-03-16 20:49:01] [INFO ] After 25037ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0
Fused 5 Parikh solutions to 1 different solutions.
Parikh walk visited 0 properties in 11 ms.
Support contains 6 out of 1297 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 1297/1297 places, 89823/89823 transitions.
Applied a total of 0 rules in 398 ms. Remains 1297 /1297 variables (removed 0) and now considering 89823/89823 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 398 ms. Remains : 1297/1297 places, 89823/89823 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 1297/1297 places, 89823/89823 transitions.
Applied a total of 0 rules in 399 ms. Remains 1297 /1297 variables (removed 0) and now considering 89823/89823 (removed 0) transitions.
[2023-03-16 20:49:02] [INFO ] Flow matrix only has 62339 transitions (discarded 27484 similar events)
[2023-03-16 20:49:02] [INFO ] Invariant cache hit.
[2023-03-16 20:49:06] [INFO ] Implicit Places using invariants in 3571 ms returned []
Implicit Place search using SMT only with invariants took 3572 ms to find 0 implicit places.
[2023-03-16 20:49:06] [INFO ] Flow matrix only has 62339 transitions (discarded 27484 similar events)
[2023-03-16 20:49:06] [INFO ] Invariant cache hit.
[2023-03-16 20:49:36] [INFO ] Dead Transitions using invariants and state equation in 29965 ms found 0 transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 33945 ms. Remains : 1297/1297 places, 89823/89823 transitions.
Graph (trivial) has 31248 edges and 1297 vertex of which 1029 / 1297 are part of one of the 152 SCC in 4 ms
Free SCC test removed 877 places
Drop transitions removed 32540 transitions
Ensure Unique test removed 48495 transitions
Reduce isomorphic transitions removed 81035 transitions.
Graph (complete) has 8497 edges and 420 vertex of which 405 are kept as prefixes of interest. Removing 15 places using SCC suffix rule.4 ms
Discarding 15 places :
Also discarding 2 output transitions
Drop transitions removed 2 transitions
Drop transitions removed 23 transitions
Ensure Unique test removed 19 transitions
Reduce isomorphic transitions removed 42 transitions.
Iterating post reduction 0 with 42 rules applied. Total rules applied 44 place count 405 transition count 8744
Performed 1 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 1 with 1 Pre rules applied. Total rules applied 44 place count 405 transition count 8743
Deduced a syphon composed of 1 places in 2 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 1 with 2 rules applied. Total rules applied 46 place count 404 transition count 8743
Discarding 3 places :
Symmetric choice reduction at 1 with 3 rule applications. Total rules 49 place count 401 transition count 8731
Iterating global reduction 1 with 3 rules applied. Total rules applied 52 place count 401 transition count 8731
Ensure Unique test removed 6 transitions
Reduce isomorphic transitions removed 6 transitions.
Iterating post reduction 1 with 6 rules applied. Total rules applied 58 place count 401 transition count 8725
Performed 4 Post agglomeration using F-continuation condition.Transition count delta: 4
Deduced a syphon composed of 4 places in 2 ms
Reduce places removed 4 places and 0 transitions.
Iterating global reduction 2 with 8 rules applied. Total rules applied 66 place count 397 transition count 8721
Ensure Unique test removed 73 transitions
Reduce isomorphic transitions removed 73 transitions.
Iterating post reduction 2 with 73 rules applied. Total rules applied 139 place count 397 transition count 8648
Drop transitions removed 3956 transitions
Redundant transition composition rules discarded 3956 transitions
Iterating global reduction 3 with 3956 rules applied. Total rules applied 4095 place count 397 transition count 4692
Reduce places removed 3 places and 0 transitions.
Drop transitions removed 51 transitions
Reduce isomorphic transitions removed 51 transitions.
Graph (complete) has 5382 edges and 394 vertex of which 362 are kept as prefixes of interest. Removing 32 places using SCC suffix rule.1 ms
Discarding 32 places :
Also discarding 7 output transitions
Drop transitions removed 7 transitions
Iterating post reduction 3 with 55 rules applied. Total rules applied 4150 place count 362 transition count 4634
Drop transitions removed 447 transitions
Ensure Unique test removed 12 transitions
Reduce isomorphic transitions removed 459 transitions.
Iterating post reduction 4 with 459 rules applied. Total rules applied 4609 place count 362 transition count 4175
Performed 1 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 5 with 1 Pre rules applied. Total rules applied 4609 place count 362 transition count 4174
Deduced a syphon composed of 1 places in 1 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 5 with 2 rules applied. Total rules applied 4611 place count 361 transition count 4174
Discarding 6 places :
Symmetric choice reduction at 5 with 6 rule applications. Total rules 4617 place count 355 transition count 4152
Iterating global reduction 5 with 6 rules applied. Total rules applied 4623 place count 355 transition count 4152
Discarding 4 places :
Symmetric choice reduction at 5 with 4 rule applications. Total rules 4627 place count 351 transition count 4136
Iterating global reduction 5 with 4 rules applied. Total rules applied 4631 place count 351 transition count 4136
Performed 5 Post agglomeration using F-continuation condition.Transition count delta: 5
Deduced a syphon composed of 5 places in 1 ms
Reduce places removed 5 places and 0 transitions.
Iterating global reduction 5 with 10 rules applied. Total rules applied 4641 place count 346 transition count 4131
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 5 with 1 rules applied. Total rules applied 4642 place count 346 transition count 4130
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: -13
Deduced a syphon composed of 1 places in 1 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 6 with 2 rules applied. Total rules applied 4644 place count 345 transition count 4143
Drop transitions removed 27 transitions
Redundant transition composition rules discarded 27 transitions
Iterating global reduction 6 with 27 rules applied. Total rules applied 4671 place count 345 transition count 4116
Free-agglomeration rule applied 19 times with reduction of 7 identical transitions.
Iterating global reduction 6 with 19 rules applied. Total rules applied 4690 place count 345 transition count 4090
Reduce places removed 19 places and 0 transitions.
Ensure Unique test removed 62 transitions
Reduce isomorphic transitions removed 62 transitions.
Iterating post reduction 6 with 81 rules applied. Total rules applied 4771 place count 326 transition count 4028
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: -9
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 7 with 2 rules applied. Total rules applied 4773 place count 325 transition count 4037
Drop transitions removed 95 transitions
Redundant transition composition rules discarded 95 transitions
Iterating global reduction 7 with 95 rules applied. Total rules applied 4868 place count 325 transition count 3942
Free-agglomeration rule applied 10 times with reduction of 2 identical transitions.
Iterating global reduction 7 with 10 rules applied. Total rules applied 4878 place count 325 transition count 3930
Reduce places removed 10 places and 0 transitions.
Ensure Unique test removed 10 transitions
Reduce isomorphic transitions removed 10 transitions.
Iterating post reduction 7 with 20 rules applied. Total rules applied 4898 place count 315 transition count 3920
Drop transitions removed 28 transitions
Redundant transition composition rules discarded 28 transitions
Iterating global reduction 8 with 28 rules applied. Total rules applied 4926 place count 315 transition count 3892
Free-agglomeration rule applied 4 times.
Iterating global reduction 8 with 4 rules applied. Total rules applied 4930 place count 315 transition count 3888
Reduce places removed 4 places and 0 transitions.
Iterating post reduction 8 with 4 rules applied. Total rules applied 4934 place count 311 transition count 3888
Drop transitions removed 13 transitions
Redundant transition composition rules discarded 13 transitions
Iterating global reduction 9 with 13 rules applied. Total rules applied 4947 place count 311 transition count 3875
Free-agglomeration rule applied 1 times.
Iterating global reduction 9 with 1 rules applied. Total rules applied 4948 place count 311 transition count 3874
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 9 with 1 rules applied. Total rules applied 4949 place count 310 transition count 3874
Free-agglomeration rule (complex) applied 7 times with reduction of 11 identical transitions.
Iterating global reduction 10 with 7 rules applied. Total rules applied 4956 place count 310 transition count 3951
Reduce places removed 7 places and 0 transitions.
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 10 with 8 rules applied. Total rules applied 4964 place count 303 transition count 3950
Drop transitions removed 43 transitions
Redundant transition composition rules discarded 43 transitions
Iterating global reduction 11 with 43 rules applied. Total rules applied 5007 place count 303 transition count 3907
Applied a total of 5007 rules in 1556 ms. Remains 303 /1297 variables (removed 994) and now considering 3907/89823 (removed 85916) transitions.
Running SMT prover for 5 properties.
[2023-03-16 20:49:37] [INFO ] Flow matrix only has 3789 transitions (discarded 118 similar events)
// Phase 1: matrix 3789 rows 303 cols
[2023-03-16 20:49:37] [INFO ] Computed 0 place invariants in 24 ms
[2023-03-16 20:49:38] [INFO ] After 1129ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:5
[2023-03-16 20:49:40] [INFO ] After 1043ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :5
[2023-03-16 20:49:40] [INFO ] State equation strengthened by 17 read => feed constraints.
[2023-03-16 20:49:40] [INFO ] After 633ms SMT Verify possible using 17 Read/Feed constraints in natural domain returned unsat :0 sat :5
[2023-03-16 20:49:41] [INFO ] After 1488ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :5
Attempting to minimize the solution found.
Minimization took 722 ms.
[2023-03-16 20:49:42] [INFO ] After 3335ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :5
Knowledge obtained : [(AND p0 p2 p1), (X (NOT (AND (NOT p0) (NOT p2) (NOT p1)))), (X (NOT (AND (NOT p0) p2 (NOT p1)))), (X (X p1)), true, (X (X (NOT (AND p0 (NOT p2) (NOT p1))))), (X (X (NOT (AND (NOT p0) (NOT p2) (NOT p1))))), (X (X (NOT (AND (NOT p0) p2 (NOT p1))))), (X (X (NOT (AND p0 p2 (NOT p1))))), (F (OR (G p2) (G (NOT p2))))]
False Knowledge obtained : []
Knowledge based reduction with 10 factoid took 423 ms. Reduced automaton from 4 states, 7 edges and 3 AP (stutter sensitive) to 4 states, 7 edges and 3 AP (stutter sensitive).
Stuttering acceptance computed with spot in 159 ms :[(AND (NOT p0) (NOT p2) (NOT p1)), (AND (NOT p0) (NOT p2) (NOT p1)), (NOT p1), (AND (NOT p1) p0 (NOT p2))]
Stuttering acceptance computed with spot in 178 ms :[(AND (NOT p0) (NOT p2) (NOT p1)), (AND (NOT p0) (NOT p2) (NOT p1)), (NOT p1), (AND (NOT p1) p0 (NOT p2))]
Stuttering acceptance computed with spot in 151 ms :[(AND (NOT p0) (NOT p2) (NOT p1)), (AND (NOT p0) (NOT p2) (NOT p1)), (NOT p1), (AND (NOT p1) p0 (NOT p2))]
Product exploration explored 100000 steps with 3 reset in 5291 ms.
Product exploration explored 100000 steps with 3 reset in 5322 ms.
Applying partial POR strategy [false, true, true, true]
Stuttering acceptance computed with spot in 164 ms :[(AND (NOT p0) (NOT p2) (NOT p1)), (AND (NOT p0) (NOT p2) (NOT p1)), (NOT p1), (AND (NOT p1) p0 (NOT p2))]
Support contains 6 out of 1369 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 1369/1369 places, 93216/93216 transitions.
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 0
Iterating post reduction 0 with 1 rules applied. Total rules applied 1 place count 1369 transition count 93216
Performed 19 Post agglomeration using F-continuation condition with reduction of 3 identical transitions.
Deduced a syphon composed of 20 places in 49 ms
Iterating global reduction 1 with 19 rules applied. Total rules applied 20 place count 1369 transition count 93213
Ensure Unique test removed 439 transitions
Reduce isomorphic transitions removed 439 transitions.
Iterating post reduction 1 with 439 rules applied. Total rules applied 459 place count 1369 transition count 92774
Discarding 2 places :
Symmetric choice reduction at 2 with 2 rule applications. Total rules 461 place count 1367 transition count 92772
Deduced a syphon composed of 18 places in 48 ms
Iterating global reduction 2 with 2 rules applied. Total rules applied 463 place count 1367 transition count 92772
Performed 4 Post agglomeration using F-continuation condition.Transition count delta: 0
Deduced a syphon composed of 22 places in 48 ms
Iterating global reduction 2 with 4 rules applied. Total rules applied 467 place count 1367 transition count 92772
Ensure Unique test removed 96 transitions
Reduce isomorphic transitions removed 96 transitions.
Iterating post reduction 2 with 96 rules applied. Total rules applied 563 place count 1367 transition count 92676
Discarding 4 places :
Symmetric choice reduction at 3 with 4 rule applications. Total rules 567 place count 1363 transition count 92672
Deduced a syphon composed of 18 places in 49 ms
Iterating global reduction 3 with 4 rules applied. Total rules applied 571 place count 1363 transition count 92672
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: -3
Deduced a syphon composed of 19 places in 48 ms
Iterating global reduction 3 with 1 rules applied. Total rules applied 572 place count 1363 transition count 92675
Ensure Unique test removed 3 transitions
Reduce isomorphic transitions removed 3 transitions.
Iterating post reduction 3 with 3 rules applied. Total rules applied 575 place count 1363 transition count 92672
Deduced a syphon composed of 19 places in 48 ms
Applied a total of 575 rules in 2049 ms. Remains 1363 /1369 variables (removed 6) and now considering 92672/93216 (removed 544) transitions.
[2023-03-16 20:49:56] [INFO ] Flow matrix only has 62330 transitions (discarded 30342 similar events)
// Phase 1: matrix 62330 rows 1363 cols
[2023-03-16 20:49:56] [INFO ] Computed 12 place invariants in 238 ms
[2023-03-16 20:50:24] [INFO ] Dead Transitions using invariants and state equation in 28528 ms found 0 transitions.
Starting structural reductions in SI_LTL mode, iteration 1 : 1363/1369 places, 92672/93216 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 30580 ms. Remains : 1363/1369 places, 92672/93216 transitions.
Built C files in :
/tmp/ltsmin13211106501594819336
[2023-03-16 20:50:25] [INFO ] Built C files in 537ms conformant to PINS (ltsmin variant)in folder :/tmp/ltsmin13211106501594819336
Running compilation step : cd /tmp/ltsmin13211106501594819336;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202303021504/bin/limit_time.pl' '3' 'gcc' '-c' '-I/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202303021504/bin/include/' '-I.' '-std=c99' '-fPIC' '-O0' 'model.c'
WARNING : LTS min runner thread failed on error :java.lang.RuntimeException: Compilation or link of executable timed out.java.util.concurrent.TimeoutException: Subprocess running cd /tmp/ltsmin13211106501594819336;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202303021504/bin/limit_time.pl' '3' 'gcc' '-c' '-I/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202303021504/bin/include/' '-I.' '-std=c99' '-fPIC' '-O0' 'model.c' killed by timeout after 3 SECONDS
java.lang.RuntimeException: Compilation or link of executable timed out.java.util.concurrent.TimeoutException: Subprocess running cd /tmp/ltsmin13211106501594819336;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202303021504/bin/limit_time.pl' '3' 'gcc' '-c' '-I/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202303021504/bin/include/' '-I.' '-std=c99' '-fPIC' '-O0' 'model.c' killed by timeout after 3 SECONDS
at fr.lip6.move.gal.application.runner.ltsmin.LTSminRunner$1.run(LTSminRunner.java:92)
at java.base/java.lang.Thread.run(Thread.java:833)
Support contains 6 out of 1369 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 1369/1369 places, 93216/93216 transitions.
Applied a total of 0 rules in 134 ms. Remains 1369 /1369 variables (removed 0) and now considering 93216/93216 (removed 0) transitions.
[2023-03-16 20:50:28] [INFO ] Flow matrix only has 62870 transitions (discarded 30346 similar events)
// Phase 1: matrix 62870 rows 1369 cols
[2023-03-16 20:50:28] [INFO ] Computed 12 place invariants in 251 ms
[2023-03-16 20:50:32] [INFO ] Implicit Places using invariants in 3626 ms returned []
Implicit Place search using SMT only with invariants took 3628 ms to find 0 implicit places.
[2023-03-16 20:50:32] [INFO ] Flow matrix only has 62870 transitions (discarded 30346 similar events)
[2023-03-16 20:50:32] [INFO ] Invariant cache hit.
[2023-03-16 20:51:02] [INFO ] Performed 90074/93216 'is it Dead' test of which 0 returned DEAD in 30 seconds.
[2023-03-16 20:51:03] [INFO ] Dead Transitions using invariants and state equation in 31290 ms found 0 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 35057 ms. Remains : 1369/1369 places, 93216/93216 transitions.
Built C files in :
/tmp/ltsmin13447868813915228493
[2023-03-16 20:51:04] [INFO ] Built C files in 551ms conformant to PINS (ltsmin variant)in folder :/tmp/ltsmin13447868813915228493
Running compilation step : cd /tmp/ltsmin13447868813915228493;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202303021504/bin/limit_time.pl' '3' 'gcc' '-c' '-I/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202303021504/bin/include/' '-I.' '-std=c99' '-fPIC' '-O0' 'model.c'
WARNING : LTS min runner thread failed on error :java.lang.RuntimeException: Compilation or link of executable timed out.java.util.concurrent.TimeoutException: Subprocess running cd /tmp/ltsmin13447868813915228493;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202303021504/bin/limit_time.pl' '3' 'gcc' '-c' '-I/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202303021504/bin/include/' '-I.' '-std=c99' '-fPIC' '-O0' 'model.c' killed by timeout after 3 SECONDS
java.lang.RuntimeException: Compilation or link of executable timed out.java.util.concurrent.TimeoutException: Subprocess running cd /tmp/ltsmin13447868813915228493;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202303021504/bin/limit_time.pl' '3' 'gcc' '-c' '-I/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202303021504/bin/include/' '-I.' '-std=c99' '-fPIC' '-O0' 'model.c' killed by timeout after 3 SECONDS
at fr.lip6.move.gal.application.runner.ltsmin.LTSminRunner$1.run(LTSminRunner.java:92)
at java.base/java.lang.Thread.run(Thread.java:833)
[2023-03-16 20:51:10] [INFO ] Flatten gal took : 2181 ms
[2023-03-16 20:51:13] [INFO ] Flatten gal took : 2420 ms
[2023-03-16 20:51:13] [INFO ] Time to serialize gal into /tmp/LTL9731297467838079930.gal : 317 ms
[2023-03-16 20:51:13] [INFO ] Time to serialize properties into /tmp/LTL2623833213112757075.prop : 1 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202303021504/bin/its-ltl-linux64' '--gc-threshold' '2000000' '-i' '/tmp/LTL9731297467838079930.gal' '-t' 'CGAL' '-hoa' '/tmp/aut18281979203726555029.hoa' '-atoms' '/tmp/LTL2623833213112757075.prop' '-c' '-stutter-deadlock' '--gen-order' 'FOLLOW'

its-ltl command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202303021504/bin/its-ltl-linux64 --gc-threshold 2000000 -i /tmp/L...318
Loading property file /tmp/LTL2623833213112757075.prop.
Loaded 3 atomic propositions.
Checking formula 0 provided in automaton : /tmp/aut18281979203726555029.hoa
Detected timeout of ITS tools.
[2023-03-16 20:51:32] [INFO ] Flatten gal took : 2198 ms
[2023-03-16 20:51:34] [INFO ] Flatten gal took : 2300 ms
[2023-03-16 20:51:35] [INFO ] Time to serialize gal into /tmp/LTL2295504198362728144.gal : 327 ms
[2023-03-16 20:51:35] [INFO ] Time to serialize properties into /tmp/LTL1223887099645299003.ltl : 1 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202303021504/bin/its-ltl-linux64' '--gc-threshold' '2000000' '-i' '/tmp/LTL2295504198362728144.gal' '-t' 'CGAL' '-LTL' '/tmp/LTL1223887099645299003.ltl' '-c' '-stutter-deadlock' '--gen-order' 'FOLLOW'

its-ltl command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202303021504/bin/its-ltl-linux64 --gc-threshold 2000000 -i /tmp/L...275
Read 1 LTL properties
Checking formula 0 : !((X(G(("((ps575==0)||(ps709==0))")||((F("((ps1307==0)||(ps1125==0))"))||(G("((ps417==0)||(ps486==0))")))))))
Formula 0 simplified : XF(!"((ps575==0)||(ps709==0))" & G!"((ps1307==0)||(ps1125==0))" & F!"((ps417==0)||(ps486==0))")
Detected timeout of ITS tools.
[2023-03-16 20:51:52] [INFO ] Flatten gal took : 2207 ms
[2023-03-16 20:51:52] [INFO ] Applying decomposition
[2023-03-16 20:51:55] [INFO ] Flatten gal took : 2448 ms
Converted graph to binary with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202303021504/bin/convert-linux64' '-i' '/tmp/graph719772379807436670.txt' '-o' '/tmp/graph719772379807436670.bin' '-w' '/tmp/graph719772379807436670.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202303021504/bin/louvain-linux64' '/tmp/graph719772379807436670.bin' '-l' '-1' '-v' '-w' '/tmp/graph719772379807436670.weights' '-q' '0' '-e' '0.001'
[2023-03-16 20:51:59] [INFO ] Decomposing Gal with order
[2023-03-16 20:51:59] [INFO ] Rewriting arrays to variables to allow decomposition.
[2023-03-16 20:52:06] [INFO ] Removed a total of 203030 redundant transitions.
[2023-03-16 20:52:06] [INFO ] Flatten gal took : 5535 ms
[2023-03-16 20:52:11] [INFO ] Fuse similar labels procedure discarded/fused a total of 4200 labels/synchronizations in 3448 ms.
[2023-03-16 20:52:11] [INFO ] Time to serialize gal into /tmp/LTL18171013514465103351.gal : 136 ms
[2023-03-16 20:52:11] [INFO ] Time to serialize properties into /tmp/LTL18421715020144989498.ltl : 0 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202303021504/bin/its-ltl-linux64' '--gc-threshold' '2000000' '-i' '/tmp/LTL18171013514465103351.gal' '-t' 'CGAL' '-LTL' '/tmp/LTL18421715020144989498.ltl' '-c' '-stutter-deadlock'

its-ltl command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202303021504/bin/its-ltl-linux64 --gc-threshold 2000000 -i /tmp/L...256
Read 1 LTL properties
Checking formula 0 : !((X(G(("((i5.i3.u143.ps575==0)||(i6.i3.u28.ps709==0))")||((F("((i7.i2.u196.ps1307==0)||(i1.i1.u108.ps1125==0))"))||(G("((i3.u151.ps41...189
Formula 0 simplified : XF(!"((i5.i3.u143.ps575==0)||(i6.i3.u28.ps709==0))" & G!"((i7.i2.u196.ps1307==0)||(i1.i1.u108.ps1125==0))" & F!"((i3.u151.ps417==0)|...177
Detected timeout of ITS tools.
Built C files in :
/tmp/ltsmin8934097151165093467
[2023-03-16 20:52:27] [INFO ] Built C files in 541ms conformant to PINS (ltsmin variant)in folder :/tmp/ltsmin8934097151165093467
Running compilation step : cd /tmp/ltsmin8934097151165093467;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202303021504/bin/limit_time.pl' '3' 'gcc' '-c' '-I/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202303021504/bin/include/' '-I.' '-std=c99' '-fPIC' '-O0' 'model.c'
WARNING : LTS min runner thread failed on error :java.lang.RuntimeException: Compilation or link of executable timed out.java.util.concurrent.TimeoutException: Subprocess running cd /tmp/ltsmin8934097151165093467;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202303021504/bin/limit_time.pl' '3' 'gcc' '-c' '-I/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202303021504/bin/include/' '-I.' '-std=c99' '-fPIC' '-O0' 'model.c' killed by timeout after 3 SECONDS
java.lang.RuntimeException: Compilation or link of executable timed out.java.util.concurrent.TimeoutException: Subprocess running cd /tmp/ltsmin8934097151165093467;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202303021504/bin/limit_time.pl' '3' 'gcc' '-c' '-I/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202303021504/bin/include/' '-I.' '-std=c99' '-fPIC' '-O0' 'model.c' killed by timeout after 3 SECONDS
at fr.lip6.move.gal.application.runner.ltsmin.LTSminRunner$1.run(LTSminRunner.java:92)
at java.base/java.lang.Thread.run(Thread.java:833)
Treatment of property RERS2020-PT-pb107-LTLFireability-08 finished in 460513 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202303021504/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(G((F(p0)&&((p1 U p2)||X(G(p0))))))'
Support contains 6 out of 1369 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 1369/1369 places, 93216/93216 transitions.
Applied a total of 0 rules in 137 ms. Remains 1369 /1369 variables (removed 0) and now considering 93216/93216 (removed 0) transitions.
[2023-03-16 20:52:30] [INFO ] Flow matrix only has 62870 transitions (discarded 30346 similar events)
[2023-03-16 20:52:30] [INFO ] Invariant cache hit.
[2023-03-16 20:52:34] [INFO ] Implicit Places using invariants in 3790 ms returned []
Implicit Place search using SMT only with invariants took 3791 ms to find 0 implicit places.
[2023-03-16 20:52:34] [INFO ] Flow matrix only has 62870 transitions (discarded 30346 similar events)
[2023-03-16 20:52:34] [INFO ] Invariant cache hit.
[2023-03-16 20:53:04] [INFO ] Performed 91375/93216 'is it Dead' test of which 0 returned DEAD in 30 seconds.
[2023-03-16 20:53:05] [INFO ] Dead Transitions using invariants and state equation in 30859 ms found 0 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 34789 ms. Remains : 1369/1369 places, 93216/93216 transitions.
Stuttering acceptance computed with spot in 210 ms :[(NOT p0), (NOT p0), (NOT p0), (AND (NOT p0) (NOT p2)), true, (NOT p2)]
Running random walk in product with property : RERS2020-PT-pb107-LTLFireability-09 automaton TGBA Formula[mat=[[{ cond=(OR p2 p1), acceptance={} source=0 dest: 0}, { cond=(NOT p0), acceptance={} source=0 dest: 1}, { cond=(AND (NOT p2) (NOT p1)), acceptance={} source=0 dest: 2}, { cond=(AND (NOT p2) p1), acceptance={} source=0 dest: 3}], [{ cond=(NOT p0), acceptance={0} source=1 dest: 1}], [{ cond=p0, acceptance={} source=2 dest: 2}, { cond=(NOT p0), acceptance={} source=2 dest: 4}], [{ cond=(AND (NOT p0) (NOT p2) (NOT p1)), acceptance={} source=3 dest: 4}, { cond=(AND (NOT p0) (NOT p2) p1), acceptance={} source=3 dest: 5}], [{ cond=true, acceptance={0} source=4 dest: 4}], [{ cond=(AND (NOT p2) (NOT p1)), acceptance={0} source=5 dest: 4}, { cond=(AND (NOT p2) p1), acceptance={0} source=5 dest: 5}]], initial=0, aps=[p2:(AND (EQ s799 1) (EQ s1260 1)), p1:(AND (EQ s729 1) (EQ s879 1)), p0:(OR (EQ s126 0) (EQ s1219 0))], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, no-univ-branch, stutter-sensitive, very-weak, weak, inherently-weak], stateDesc=[null, null, null, null, null, null][false, false, false, false, false, false]]
Product exploration explored 100000 steps with 0 reset in 5299 ms.
Product exploration explored 100000 steps with 0 reset in 5008 ms.
Computed a total of 261 stabilizing places and 30825 stable transitions
Computed a total of 261 stabilizing places and 30825 stable transitions
Knowledge obtained : [(AND (NOT p2) (NOT p1) p0), (X (NOT (OR p2 p1))), (X (NOT (AND (NOT p2) p1))), (X p0), (X (NOT (AND (NOT p0) (NOT p2) (NOT p1)))), (X (NOT (AND (NOT p0) (NOT p2) p1))), (X (AND (NOT p2) (NOT p1))), (X (X (NOT (OR p2 p1)))), (X (X (NOT (AND (NOT p2) p1)))), true, (X (X p0)), (X (X (NOT (AND (NOT p0) (NOT p2) (NOT p1))))), (X (X (NOT (AND (NOT p0) (NOT p2) p1)))), (X (X (AND (NOT p2) (NOT p1))))]
False Knowledge obtained : []
Knowledge based reduction with 14 factoid took 529 ms. Reduced automaton from 6 states, 12 edges and 3 AP (stutter sensitive) to 3 states, 4 edges and 1 AP (stutter sensitive).
Stuttering acceptance computed with spot in 73 ms :[true, (NOT p0), (NOT p0)]
Incomplete random walk after 10000 steps, including 3 resets, run finished after 525 ms. (steps per millisecond=19 ) properties (out of 1) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 58 ms. (steps per millisecond=172 ) properties (out of 1) seen :0
Interrupted probabilistic random walk after 8998 steps, run timeout after 3002 ms. (steps per millisecond=2 ) properties seen :{}
Probabilistic random walk after 8998 steps, saw 7380 distinct states, run finished after 3004 ms. (steps per millisecond=2 ) properties seen :0
Running SMT prover for 1 properties.
[2023-03-16 20:53:20] [INFO ] Flow matrix only has 62870 transitions (discarded 30346 similar events)
[2023-03-16 20:53:20] [INFO ] Invariant cache hit.
[2023-03-16 20:53:20] [INFO ] [Real]Absence check using 12 positive place invariants in 9 ms returned sat
[2023-03-16 20:53:40] [INFO ] After 19362ms SMT Verify possible using state equation in real domain returned unsat :0 sat :1
[2023-03-16 20:53:40] [INFO ] State equation strengthened by 3692 read => feed constraints.
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:642)
at fr.lip6.move.gal.structural.smt.DeadlockTester.testUnreachableWithSMTIncremental(DeadlockTester.java:339)
at fr.lip6.move.gal.structural.smt.DeadlockTester.testUnreachableWithSMT(DeadlockTester.java:223)
at fr.lip6.move.gal.application.solver.ReachabilitySolver.applyReductions(ReachabilitySolver.java:95)
at fr.lip6.move.gal.application.solver.ltl.LTLPropertySolver.addInvarianceKnowledge(LTLPropertySolver.java:701)
at fr.lip6.move.gal.application.solver.ltl.LTLPropertySolver.applyKnowledgeBasedReductions(LTLPropertySolver.java:568)
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)
[2023-03-16 20:53:45] [WARNING] SMT solver failed with error :SMT solver raised an error when submitting script.... while checking expressions.
[2023-03-16 20:53:45] [INFO ] After 25027ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0
Parikh walk visited 0 properties in 0 ms.
Support contains 2 out of 1369 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 1369/1369 places, 93216/93216 transitions.
Drop transitions removed 2811 transitions
Reduce isomorphic transitions removed 2811 transitions.
Drop transitions removed 1 transitions
Trivial Post-agglo rules discarded 1 transitions
Performed 1 trivial Post agglomeration. Transition count delta: 1
Iterating post reduction 0 with 2812 rules applied. Total rules applied 2812 place count 1369 transition count 90404
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 1 with 1 rules applied. Total rules applied 2813 place count 1368 transition count 90404
Performed 2 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 2 Pre rules applied. Total rules applied 2813 place count 1368 transition count 90402
Deduced a syphon composed of 2 places in 47 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 2 with 4 rules applied. Total rules applied 2817 place count 1366 transition count 90402
Drop transitions removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 2 with 2 rules applied. Total rules applied 2819 place count 1366 transition count 90400
Performed 17 Post agglomeration using F-continuation condition with reduction of 3 identical transitions.
Deduced a syphon composed of 17 places in 46 ms
Reduce places removed 17 places and 0 transitions.
Iterating global reduction 3 with 34 rules applied. Total rules applied 2853 place count 1349 transition count 90380
Drop transitions removed 6 transitions
Ensure Unique test removed 439 transitions
Reduce isomorphic transitions removed 445 transitions.
Iterating post reduction 3 with 445 rules applied. Total rules applied 3298 place count 1349 transition count 89935
Performed 4 Post agglomeration using F-continuation condition.Transition count delta: 4
Deduced a syphon composed of 4 places in 46 ms
Reduce places removed 4 places and 0 transitions.
Iterating global reduction 4 with 8 rules applied. Total rules applied 3306 place count 1345 transition count 89931
Drop transitions removed 4 transitions
Ensure Unique test removed 92 transitions
Reduce isomorphic transitions removed 96 transitions.
Iterating post reduction 4 with 96 rules applied. Total rules applied 3402 place count 1345 transition count 89835
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: -1
Deduced a syphon composed of 1 places in 46 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 5 with 2 rules applied. Total rules applied 3404 place count 1344 transition count 89836
Ensure Unique test removed 3 transitions
Reduce isomorphic transitions removed 3 transitions.
Iterating post reduction 5 with 3 rules applied. Total rules applied 3407 place count 1344 transition count 89833
Free-agglomeration rule applied 32 times.
Iterating global reduction 6 with 32 rules applied. Total rules applied 3439 place count 1344 transition count 89801
Reduce places removed 32 places and 0 transitions.
Drop transitions removed 44 transitions
Ensure Unique test removed 555 transitions
Reduce isomorphic transitions removed 599 transitions.
Iterating post reduction 6 with 631 rules applied. Total rules applied 4070 place count 1312 transition count 89202
Free-agglomeration rule (complex) applied 15 times with reduction of 16 identical transitions.
Iterating global reduction 7 with 15 rules applied. Total rules applied 4085 place count 1312 transition count 89935
Reduce places removed 15 places and 0 transitions.
Drop transitions removed 5 transitions
Ensure Unique test removed 21 transitions
Reduce isomorphic transitions removed 26 transitions.
Iterating post reduction 7 with 41 rules applied. Total rules applied 4126 place count 1297 transition count 89909
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 8 with 1 rules applied. Total rules applied 4127 place count 1296 transition count 89908
Applied a total of 4127 rules in 3772 ms. Remains 1296 /1369 variables (removed 73) and now considering 89908/93216 (removed 3308) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 3774 ms. Remains : 1296/1369 places, 89908/93216 transitions.
Incomplete random walk after 10000 steps, including 2 resets, run finished after 515 ms. (steps per millisecond=19 ) properties (out of 1) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 73 ms. (steps per millisecond=137 ) properties (out of 1) seen :0
Interrupted probabilistic random walk after 9475 steps, run timeout after 3003 ms. (steps per millisecond=3 ) properties seen :{}
Probabilistic random walk after 9475 steps, saw 7526 distinct states, run finished after 3003 ms. (steps per millisecond=3 ) properties seen :0
Running SMT prover for 1 properties.
[2023-03-16 20:53:53] [INFO ] Flow matrix only has 62424 transitions (discarded 27484 similar events)
// Phase 1: matrix 62424 rows 1296 cols
[2023-03-16 20:53:53] [INFO ] Computed 12 place invariants in 207 ms
[2023-03-16 20:53:53] [INFO ] [Real]Absence check using 12 positive place invariants in 9 ms returned sat
[2023-03-16 20:54:13] [INFO ] After 20028ms SMT Verify possible using state equation in real domain returned unsat :0 sat :1
[2023-03-16 20:54:14] [INFO ] State equation strengthened by 3688 read => feed constraints.
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:642)
at fr.lip6.move.gal.structural.smt.DeadlockTester.testUnreachableWithSMTIncremental(DeadlockTester.java:339)
at fr.lip6.move.gal.structural.smt.DeadlockTester.testUnreachableWithSMT(DeadlockTester.java:223)
at fr.lip6.move.gal.application.solver.ReachabilitySolver.applyReductions(ReachabilitySolver.java:95)
at fr.lip6.move.gal.application.solver.ltl.LTLPropertySolver.addInvarianceKnowledge(LTLPropertySolver.java:701)
at fr.lip6.move.gal.application.solver.ltl.LTLPropertySolver.applyKnowledgeBasedReductions(LTLPropertySolver.java:568)
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)
[2023-03-16 20:54:18] [WARNING] SMT solver failed with error :SMT solver raised an error when submitting script.... while checking expressions.
[2023-03-16 20:54:18] [INFO ] After 25033ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0
Parikh walk visited 0 properties in 15 ms.
Support contains 2 out of 1296 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 1296/1296 places, 89908/89908 transitions.
Applied a total of 0 rules in 396 ms. Remains 1296 /1296 variables (removed 0) and now considering 89908/89908 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 396 ms. Remains : 1296/1296 places, 89908/89908 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 1296/1296 places, 89908/89908 transitions.
Applied a total of 0 rules in 399 ms. Remains 1296 /1296 variables (removed 0) and now considering 89908/89908 (removed 0) transitions.
[2023-03-16 20:54:19] [INFO ] Flow matrix only has 62424 transitions (discarded 27484 similar events)
[2023-03-16 20:54:19] [INFO ] Invariant cache hit.
[2023-03-16 20:54:23] [INFO ] Implicit Places using invariants in 3737 ms returned []
Implicit Place search using SMT only with invariants took 3738 ms to find 0 implicit places.
[2023-03-16 20:54:23] [INFO ] Flow matrix only has 62424 transitions (discarded 27484 similar events)
[2023-03-16 20:54:23] [INFO ] Invariant cache hit.
[2023-03-16 20:54:52] [INFO ] Dead Transitions using invariants and state equation in 29648 ms found 0 transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 33792 ms. Remains : 1296/1296 places, 89908/89908 transitions.
Graph (trivial) has 31685 edges and 1296 vertex of which 1033 / 1296 are part of one of the 152 SCC in 4 ms
Free SCC test removed 881 places
Drop transitions removed 33195 transitions
Ensure Unique test removed 48136 transitions
Reduce isomorphic transitions removed 81331 transitions.
Graph (complete) has 8274 edges and 415 vertex of which 400 are kept as prefixes of interest. Removing 15 places using SCC suffix rule.3 ms
Discarding 15 places :
Also discarding 2 output transitions
Drop transitions removed 2 transitions
Drop transitions removed 23 transitions
Ensure Unique test removed 19 transitions
Reduce isomorphic transitions removed 42 transitions.
Iterating post reduction 0 with 42 rules applied. Total rules applied 44 place count 400 transition count 8533
Performed 1 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 1 with 1 Pre rules applied. Total rules applied 44 place count 400 transition count 8532
Deduced a syphon composed of 1 places in 2 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 1 with 2 rules applied. Total rules applied 46 place count 399 transition count 8532
Discarding 3 places :
Symmetric choice reduction at 1 with 3 rule applications. Total rules 49 place count 396 transition count 8520
Iterating global reduction 1 with 3 rules applied. Total rules applied 52 place count 396 transition count 8520
Ensure Unique test removed 6 transitions
Reduce isomorphic transitions removed 6 transitions.
Iterating post reduction 1 with 6 rules applied. Total rules applied 58 place count 396 transition count 8514
Performed 4 Post agglomeration using F-continuation condition.Transition count delta: 4
Deduced a syphon composed of 4 places in 2 ms
Reduce places removed 4 places and 0 transitions.
Iterating global reduction 2 with 8 rules applied. Total rules applied 66 place count 392 transition count 8510
Ensure Unique test removed 73 transitions
Reduce isomorphic transitions removed 73 transitions.
Iterating post reduction 2 with 73 rules applied. Total rules applied 139 place count 392 transition count 8437
Drop transitions removed 3895 transitions
Redundant transition composition rules discarded 3895 transitions
Iterating global reduction 3 with 3895 rules applied. Total rules applied 4034 place count 392 transition count 4542
Reduce places removed 3 places and 0 transitions.
Drop transitions removed 51 transitions
Reduce isomorphic transitions removed 51 transitions.
Graph (complete) has 5191 edges and 389 vertex of which 356 are kept as prefixes of interest. Removing 33 places using SCC suffix rule.1 ms
Discarding 33 places :
Also discarding 7 output transitions
Drop transitions removed 7 transitions
Iterating post reduction 3 with 55 rules applied. Total rules applied 4089 place count 356 transition count 4484
Drop transitions removed 450 transitions
Ensure Unique test removed 12 transitions
Reduce isomorphic transitions removed 462 transitions.
Iterating post reduction 4 with 462 rules applied. Total rules applied 4551 place count 356 transition count 4022
Performed 1 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 5 with 1 Pre rules applied. Total rules applied 4551 place count 356 transition count 4021
Deduced a syphon composed of 1 places in 1 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 5 with 2 rules applied. Total rules applied 4553 place count 355 transition count 4021
Discarding 6 places :
Symmetric choice reduction at 5 with 6 rule applications. Total rules 4559 place count 349 transition count 3999
Iterating global reduction 5 with 6 rules applied. Total rules applied 4565 place count 349 transition count 3999
Discarding 4 places :
Symmetric choice reduction at 5 with 4 rule applications. Total rules 4569 place count 345 transition count 3983
Iterating global reduction 5 with 4 rules applied. Total rules applied 4573 place count 345 transition count 3983
Performed 5 Post agglomeration using F-continuation condition.Transition count delta: 5
Deduced a syphon composed of 5 places in 1 ms
Reduce places removed 5 places and 0 transitions.
Iterating global reduction 5 with 10 rules applied. Total rules applied 4583 place count 340 transition count 3978
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 5 with 1 rules applied. Total rules applied 4584 place count 340 transition count 3977
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: -13
Deduced a syphon composed of 1 places in 1 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 6 with 2 rules applied. Total rules applied 4586 place count 339 transition count 3990
Drop transitions removed 23 transitions
Redundant transition composition rules discarded 23 transitions
Iterating global reduction 6 with 23 rules applied. Total rules applied 4609 place count 339 transition count 3967
Free-agglomeration rule applied 20 times with reduction of 7 identical transitions.
Iterating global reduction 6 with 20 rules applied. Total rules applied 4629 place count 339 transition count 3940
Reduce places removed 20 places and 0 transitions.
Ensure Unique test removed 62 transitions
Reduce isomorphic transitions removed 62 transitions.
Iterating post reduction 6 with 82 rules applied. Total rules applied 4711 place count 319 transition count 3878
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: -9
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 7 with 2 rules applied. Total rules applied 4713 place count 318 transition count 3887
Drop transitions removed 93 transitions
Redundant transition composition rules discarded 93 transitions
Iterating global reduction 7 with 93 rules applied. Total rules applied 4806 place count 318 transition count 3794
Free-agglomeration rule applied 11 times with reduction of 2 identical transitions.
Iterating global reduction 7 with 11 rules applied. Total rules applied 4817 place count 318 transition count 3781
Reduce places removed 11 places and 0 transitions.
Ensure Unique test removed 10 transitions
Reduce isomorphic transitions removed 10 transitions.
Iterating post reduction 7 with 21 rules applied. Total rules applied 4838 place count 307 transition count 3771
Drop transitions removed 28 transitions
Redundant transition composition rules discarded 28 transitions
Iterating global reduction 8 with 28 rules applied. Total rules applied 4866 place count 307 transition count 3743
Free-agglomeration rule applied 4 times.
Iterating global reduction 8 with 4 rules applied. Total rules applied 4870 place count 307 transition count 3739
Reduce places removed 4 places and 0 transitions.
Iterating post reduction 8 with 4 rules applied. Total rules applied 4874 place count 303 transition count 3739
Drop transitions removed 11 transitions
Redundant transition composition rules discarded 11 transitions
Iterating global reduction 9 with 11 rules applied. Total rules applied 4885 place count 303 transition count 3728
Free-agglomeration rule applied 1 times.
Iterating global reduction 9 with 1 rules applied. Total rules applied 4886 place count 303 transition count 3727
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 9 with 1 rules applied. Total rules applied 4887 place count 302 transition count 3727
Free-agglomeration rule (complex) applied 7 times with reduction of 11 identical transitions.
Iterating global reduction 10 with 7 rules applied. Total rules applied 4894 place count 302 transition count 3800
Reduce places removed 7 places and 0 transitions.
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 10 with 8 rules applied. Total rules applied 4902 place count 295 transition count 3799
Drop transitions removed 41 transitions
Redundant transition composition rules discarded 41 transitions
Iterating global reduction 11 with 41 rules applied. Total rules applied 4943 place count 295 transition count 3758
Applied a total of 4943 rules in 1508 ms. Remains 295 /1296 variables (removed 1001) and now considering 3758/89908 (removed 86150) transitions.
Running SMT prover for 1 properties.
[2023-03-16 20:54:54] [INFO ] Flow matrix only has 3642 transitions (discarded 116 similar events)
// Phase 1: matrix 3642 rows 295 cols
[2023-03-16 20:54:54] [INFO ] Computed 0 place invariants in 20 ms
[2023-03-16 20:54:54] [INFO ] After 608ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
[2023-03-16 20:54:55] [INFO ] After 540ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
[2023-03-16 20:54:55] [INFO ] State equation strengthened by 16 read => feed constraints.
[2023-03-16 20:54:55] [INFO ] After 80ms SMT Verify possible using 16 Read/Feed constraints in natural domain returned unsat :0 sat :1
[2023-03-16 20:54:55] [INFO ] After 191ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
Attempting to minimize the solution found.
Minimization took 66 ms.
[2023-03-16 20:54:55] [INFO ] After 846ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
Knowledge obtained : [(AND (NOT p2) (NOT p1) p0), (X (NOT (OR p2 p1))), (X (NOT (AND (NOT p2) p1))), (X p0), (X (NOT (AND (NOT p0) (NOT p2) (NOT p1)))), (X (NOT (AND (NOT p0) (NOT p2) p1))), (X (AND (NOT p2) (NOT p1))), (X (X (NOT (OR p2 p1)))), (X (X (NOT (AND (NOT p2) p1)))), true, (X (X p0)), (X (X (NOT (AND (NOT p0) (NOT p2) (NOT p1))))), (X (X (NOT (AND (NOT p0) (NOT p2) p1)))), (X (X (AND (NOT p2) (NOT p1))))]
False Knowledge obtained : []
Knowledge based reduction with 14 factoid took 535 ms. Reduced automaton from 3 states, 4 edges and 1 AP (stutter sensitive) to 3 states, 4 edges and 1 AP (stutter sensitive).
Stuttering acceptance computed with spot in 82 ms :[true, (NOT p0), (NOT p0)]
Stuttering acceptance computed with spot in 76 ms :[true, (NOT p0), (NOT p0)]
Support contains 2 out of 1369 places. Attempting structural reductions.
Property had overlarge support with respect to TGBA, discarding it for now.
Starting structural reductions in LTL mode, iteration 0 : 1369/1369 places, 93216/93216 transitions.
Applied a total of 0 rules in 136 ms. Remains 1369 /1369 variables (removed 0) and now considering 93216/93216 (removed 0) transitions.
[2023-03-16 20:54:56] [INFO ] Flow matrix only has 62870 transitions (discarded 30346 similar events)
// Phase 1: matrix 62870 rows 1369 cols
[2023-03-16 20:54:56] [INFO ] Computed 12 place invariants in 295 ms
[2023-03-16 20:55:00] [INFO ] Implicit Places using invariants in 3949 ms returned []
Implicit Place search using SMT only with invariants took 3953 ms to find 0 implicit places.
[2023-03-16 20:55:00] [INFO ] Flow matrix only has 62870 transitions (discarded 30346 similar events)
[2023-03-16 20:55:00] [INFO ] Invariant cache hit.
[2023-03-16 20:55:30] [INFO ] Performed 89960/93216 'is it Dead' test of which 0 returned DEAD in 30 seconds.
[2023-03-16 20:55:31] [INFO ] Dead Transitions using invariants and state equation in 31307 ms found 0 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 35400 ms. Remains : 1369/1369 places, 93216/93216 transitions.
Computed a total of 261 stabilizing places and 30825 stable transitions
Computed a total of 261 stabilizing places and 30825 stable transitions
Knowledge obtained : [p0, (X p0), true, (X (X p0))]
False Knowledge obtained : []
Knowledge based reduction with 4 factoid took 146 ms. Reduced automaton from 3 states, 4 edges and 1 AP (stutter sensitive) to 3 states, 4 edges and 1 AP (stutter sensitive).
Stuttering acceptance computed with spot in 74 ms :[true, (NOT p0), (NOT p0)]
Incomplete random walk after 10000 steps, including 2 resets, run finished after 525 ms. (steps per millisecond=19 ) properties (out of 1) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 73 ms. (steps per millisecond=137 ) properties (out of 1) seen :0
Interrupted probabilistic random walk after 9779 steps, run timeout after 3001 ms. (steps per millisecond=3 ) properties seen :{}
Probabilistic random walk after 9779 steps, saw 7906 distinct states, run finished after 3001 ms. (steps per millisecond=3 ) properties seen :0
Running SMT prover for 1 properties.
[2023-03-16 20:55:36] [INFO ] Flow matrix only has 62870 transitions (discarded 30346 similar events)
[2023-03-16 20:55:36] [INFO ] Invariant cache hit.
[2023-03-16 20:55:36] [INFO ] [Real]Absence check using 12 positive place invariants in 8 ms returned sat
[2023-03-16 20:55:55] [INFO ] After 18853ms SMT Verify possible using state equation in real domain returned unsat :0 sat :1
[2023-03-16 20:55:55] [INFO ] State equation strengthened by 3692 read => feed constraints.
[2023-03-16 20:56:01] [INFO ] After 5528ms SMT Verify possible using 3692 Read/Feed constraints in real domain returned unsat :0 sat :0
[2023-03-16 20:56:01] [INFO ] After 25032ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0
Parikh walk visited 0 properties in 0 ms.
Support contains 2 out of 1369 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 1369/1369 places, 93216/93216 transitions.
Drop transitions removed 2811 transitions
Reduce isomorphic transitions removed 2811 transitions.
Drop transitions removed 1 transitions
Trivial Post-agglo rules discarded 1 transitions
Performed 1 trivial Post agglomeration. Transition count delta: 1
Iterating post reduction 0 with 2812 rules applied. Total rules applied 2812 place count 1369 transition count 90404
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 1 with 1 rules applied. Total rules applied 2813 place count 1368 transition count 90404
Performed 2 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 2 Pre rules applied. Total rules applied 2813 place count 1368 transition count 90402
Deduced a syphon composed of 2 places in 47 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 2 with 4 rules applied. Total rules applied 2817 place count 1366 transition count 90402
Drop transitions removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 2 with 2 rules applied. Total rules applied 2819 place count 1366 transition count 90400
Performed 17 Post agglomeration using F-continuation condition with reduction of 3 identical transitions.
Deduced a syphon composed of 17 places in 46 ms
Reduce places removed 17 places and 0 transitions.
Iterating global reduction 3 with 34 rules applied. Total rules applied 2853 place count 1349 transition count 90380
Drop transitions removed 6 transitions
Ensure Unique test removed 439 transitions
Reduce isomorphic transitions removed 445 transitions.
Iterating post reduction 3 with 445 rules applied. Total rules applied 3298 place count 1349 transition count 89935
Performed 4 Post agglomeration using F-continuation condition.Transition count delta: 4
Deduced a syphon composed of 4 places in 46 ms
Reduce places removed 4 places and 0 transitions.
Iterating global reduction 4 with 8 rules applied. Total rules applied 3306 place count 1345 transition count 89931
Drop transitions removed 4 transitions
Ensure Unique test removed 92 transitions
Reduce isomorphic transitions removed 96 transitions.
Iterating post reduction 4 with 96 rules applied. Total rules applied 3402 place count 1345 transition count 89835
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: -1
Deduced a syphon composed of 1 places in 45 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 5 with 2 rules applied. Total rules applied 3404 place count 1344 transition count 89836
Ensure Unique test removed 3 transitions
Reduce isomorphic transitions removed 3 transitions.
Iterating post reduction 5 with 3 rules applied. Total rules applied 3407 place count 1344 transition count 89833
Free-agglomeration rule applied 32 times.
Iterating global reduction 6 with 32 rules applied. Total rules applied 3439 place count 1344 transition count 89801
Reduce places removed 32 places and 0 transitions.
Drop transitions removed 44 transitions
Ensure Unique test removed 555 transitions
Reduce isomorphic transitions removed 599 transitions.
Iterating post reduction 6 with 631 rules applied. Total rules applied 4070 place count 1312 transition count 89202
Free-agglomeration rule (complex) applied 15 times with reduction of 16 identical transitions.
Iterating global reduction 7 with 15 rules applied. Total rules applied 4085 place count 1312 transition count 89935
Reduce places removed 15 places and 0 transitions.
Drop transitions removed 5 transitions
Ensure Unique test removed 21 transitions
Reduce isomorphic transitions removed 26 transitions.
Iterating post reduction 7 with 41 rules applied. Total rules applied 4126 place count 1297 transition count 89909
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 8 with 1 rules applied. Total rules applied 4127 place count 1296 transition count 89908
Applied a total of 4127 rules in 3728 ms. Remains 1296 /1369 variables (removed 73) and now considering 89908/93216 (removed 3308) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 3730 ms. Remains : 1296/1369 places, 89908/93216 transitions.
Incomplete random walk after 10000 steps, including 2 resets, run finished after 518 ms. (steps per millisecond=19 ) properties (out of 1) seen :0
Incomplete Best-First random walk after 10000 steps, including 3 resets, run finished after 70 ms. (steps per millisecond=142 ) properties (out of 1) seen :0
Interrupted probabilistic random walk after 9565 steps, run timeout after 3002 ms. (steps per millisecond=3 ) properties seen :{}
Probabilistic random walk after 9565 steps, saw 7604 distinct states, run finished after 3002 ms. (steps per millisecond=3 ) properties seen :0
Running SMT prover for 1 properties.
[2023-03-16 20:56:08] [INFO ] Flow matrix only has 62424 transitions (discarded 27484 similar events)
// Phase 1: matrix 62424 rows 1296 cols
[2023-03-16 20:56:09] [INFO ] Computed 12 place invariants in 192 ms
[2023-03-16 20:56:09] [INFO ] [Real]Absence check using 12 positive place invariants in 8 ms returned sat
[2023-03-16 20:56:28] [INFO ] After 19712ms SMT Verify possible using state equation in real domain returned unsat :0 sat :1
[2023-03-16 20:56:29] [INFO ] State equation strengthened by 3688 read => feed constraints.
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:642)
at fr.lip6.move.gal.structural.smt.DeadlockTester.testUnreachableWithSMTIncremental(DeadlockTester.java:339)
at fr.lip6.move.gal.structural.smt.DeadlockTester.testUnreachableWithSMT(DeadlockTester.java:223)
at fr.lip6.move.gal.application.solver.ReachabilitySolver.applyReductions(ReachabilitySolver.java:95)
at fr.lip6.move.gal.application.solver.ltl.LTLPropertySolver.addInvarianceKnowledge(LTLPropertySolver.java:701)
at fr.lip6.move.gal.application.solver.ltl.LTLPropertySolver.applyKnowledgeBasedReductions(LTLPropertySolver.java:568)
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)
[2023-03-16 20:56:34] [WARNING] SMT solver failed with error :SMT solver raised an error when submitting script.... while checking expressions.
[2023-03-16 20:56:34] [INFO ] After 25026ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0
Parikh walk visited 0 properties in 14 ms.
Support contains 2 out of 1296 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 1296/1296 places, 89908/89908 transitions.
Applied a total of 0 rules in 383 ms. Remains 1296 /1296 variables (removed 0) and now considering 89908/89908 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 383 ms. Remains : 1296/1296 places, 89908/89908 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 1296/1296 places, 89908/89908 transitions.
Applied a total of 0 rules in 382 ms. Remains 1296 /1296 variables (removed 0) and now considering 89908/89908 (removed 0) transitions.
[2023-03-16 20:56:34] [INFO ] Flow matrix only has 62424 transitions (discarded 27484 similar events)
[2023-03-16 20:56:34] [INFO ] Invariant cache hit.
[2023-03-16 20:56:38] [INFO ] Implicit Places using invariants in 3528 ms returned []
Implicit Place search using SMT only with invariants took 3528 ms to find 0 implicit places.
[2023-03-16 20:56:38] [INFO ] Flow matrix only has 62424 transitions (discarded 27484 similar events)
[2023-03-16 20:56:38] [INFO ] Invariant cache hit.
[2023-03-16 20:57:07] [INFO ] Dead Transitions using invariants and state equation in 29069 ms found 0 transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 32986 ms. Remains : 1296/1296 places, 89908/89908 transitions.
Graph (trivial) has 31685 edges and 1296 vertex of which 1033 / 1296 are part of one of the 152 SCC in 4 ms
Free SCC test removed 881 places
Drop transitions removed 33195 transitions
Ensure Unique test removed 48136 transitions
Reduce isomorphic transitions removed 81331 transitions.
Graph (complete) has 8274 edges and 415 vertex of which 400 are kept as prefixes of interest. Removing 15 places using SCC suffix rule.4 ms
Discarding 15 places :
Also discarding 2 output transitions
Drop transitions removed 2 transitions
Drop transitions removed 23 transitions
Ensure Unique test removed 19 transitions
Reduce isomorphic transitions removed 42 transitions.
Iterating post reduction 0 with 42 rules applied. Total rules applied 44 place count 400 transition count 8533
Performed 1 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 1 with 1 Pre rules applied. Total rules applied 44 place count 400 transition count 8532
Deduced a syphon composed of 1 places in 2 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 1 with 2 rules applied. Total rules applied 46 place count 399 transition count 8532
Discarding 3 places :
Symmetric choice reduction at 1 with 3 rule applications. Total rules 49 place count 396 transition count 8520
Iterating global reduction 1 with 3 rules applied. Total rules applied 52 place count 396 transition count 8520
Ensure Unique test removed 6 transitions
Reduce isomorphic transitions removed 6 transitions.
Iterating post reduction 1 with 6 rules applied. Total rules applied 58 place count 396 transition count 8514
Performed 4 Post agglomeration using F-continuation condition.Transition count delta: 4
Deduced a syphon composed of 4 places in 2 ms
Reduce places removed 4 places and 0 transitions.
Iterating global reduction 2 with 8 rules applied. Total rules applied 66 place count 392 transition count 8510
Ensure Unique test removed 73 transitions
Reduce isomorphic transitions removed 73 transitions.
Iterating post reduction 2 with 73 rules applied. Total rules applied 139 place count 392 transition count 8437
Drop transitions removed 3895 transitions
Redundant transition composition rules discarded 3895 transitions
Iterating global reduction 3 with 3895 rules applied. Total rules applied 4034 place count 392 transition count 4542
Reduce places removed 3 places and 0 transitions.
Drop transitions removed 51 transitions
Reduce isomorphic transitions removed 51 transitions.
Graph (complete) has 5191 edges and 389 vertex of which 356 are kept as prefixes of interest. Removing 33 places using SCC suffix rule.1 ms
Discarding 33 places :
Also discarding 7 output transitions
Drop transitions removed 7 transitions
Iterating post reduction 3 with 55 rules applied. Total rules applied 4089 place count 356 transition count 4484
Drop transitions removed 450 transitions
Ensure Unique test removed 12 transitions
Reduce isomorphic transitions removed 462 transitions.
Iterating post reduction 4 with 462 rules applied. Total rules applied 4551 place count 356 transition count 4022
Performed 1 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 5 with 1 Pre rules applied. Total rules applied 4551 place count 356 transition count 4021
Deduced a syphon composed of 1 places in 1 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 5 with 2 rules applied. Total rules applied 4553 place count 355 transition count 4021
Discarding 6 places :
Symmetric choice reduction at 5 with 6 rule applications. Total rules 4559 place count 349 transition count 3999
Iterating global reduction 5 with 6 rules applied. Total rules applied 4565 place count 349 transition count 3999
Discarding 4 places :
Symmetric choice reduction at 5 with 4 rule applications. Total rules 4569 place count 345 transition count 3983
Iterating global reduction 5 with 4 rules applied. Total rules applied 4573 place count 345 transition count 3983
Performed 5 Post agglomeration using F-continuation condition.Transition count delta: 5
Deduced a syphon composed of 5 places in 1 ms
Reduce places removed 5 places and 0 transitions.
Iterating global reduction 5 with 10 rules applied. Total rules applied 4583 place count 340 transition count 3978
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 5 with 1 rules applied. Total rules applied 4584 place count 340 transition count 3977
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: -13
Deduced a syphon composed of 1 places in 1 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 6 with 2 rules applied. Total rules applied 4586 place count 339 transition count 3990
Drop transitions removed 23 transitions
Redundant transition composition rules discarded 23 transitions
Iterating global reduction 6 with 23 rules applied. Total rules applied 4609 place count 339 transition count 3967
Free-agglomeration rule applied 20 times with reduction of 7 identical transitions.
Iterating global reduction 6 with 20 rules applied. Total rules applied 4629 place count 339 transition count 3940
Reduce places removed 20 places and 0 transitions.
Ensure Unique test removed 62 transitions
Reduce isomorphic transitions removed 62 transitions.
Iterating post reduction 6 with 82 rules applied. Total rules applied 4711 place count 319 transition count 3878
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: -9
Deduced a syphon composed of 1 places in 1 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 7 with 2 rules applied. Total rules applied 4713 place count 318 transition count 3887
Drop transitions removed 93 transitions
Redundant transition composition rules discarded 93 transitions
Iterating global reduction 7 with 93 rules applied. Total rules applied 4806 place count 318 transition count 3794
Free-agglomeration rule applied 11 times with reduction of 2 identical transitions.
Iterating global reduction 7 with 11 rules applied. Total rules applied 4817 place count 318 transition count 3781
Reduce places removed 11 places and 0 transitions.
Ensure Unique test removed 10 transitions
Reduce isomorphic transitions removed 10 transitions.
Iterating post reduction 7 with 21 rules applied. Total rules applied 4838 place count 307 transition count 3771
Drop transitions removed 28 transitions
Redundant transition composition rules discarded 28 transitions
Iterating global reduction 8 with 28 rules applied. Total rules applied 4866 place count 307 transition count 3743
Free-agglomeration rule applied 4 times.
Iterating global reduction 8 with 4 rules applied. Total rules applied 4870 place count 307 transition count 3739
Reduce places removed 4 places and 0 transitions.
Iterating post reduction 8 with 4 rules applied. Total rules applied 4874 place count 303 transition count 3739
Drop transitions removed 11 transitions
Redundant transition composition rules discarded 11 transitions
Iterating global reduction 9 with 11 rules applied. Total rules applied 4885 place count 303 transition count 3728
Free-agglomeration rule applied 1 times.
Iterating global reduction 9 with 1 rules applied. Total rules applied 4886 place count 303 transition count 3727
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 9 with 1 rules applied. Total rules applied 4887 place count 302 transition count 3727
Free-agglomeration rule (complex) applied 7 times with reduction of 11 identical transitions.
Iterating global reduction 10 with 7 rules applied. Total rules applied 4894 place count 302 transition count 3800
Reduce places removed 7 places and 0 transitions.
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 10 with 8 rules applied. Total rules applied 4902 place count 295 transition count 3799
Drop transitions removed 41 transitions
Redundant transition composition rules discarded 41 transitions
Iterating global reduction 11 with 41 rules applied. Total rules applied 4943 place count 295 transition count 3758
Applied a total of 4943 rules in 1468 ms. Remains 295 /1296 variables (removed 1001) and now considering 3758/89908 (removed 86150) transitions.
Running SMT prover for 1 properties.
[2023-03-16 20:57:08] [INFO ] Flow matrix only has 3642 transitions (discarded 116 similar events)
// Phase 1: matrix 3642 rows 295 cols
[2023-03-16 20:57:09] [INFO ] Computed 0 place invariants in 19 ms
[2023-03-16 20:57:09] [INFO ] After 589ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
[2023-03-16 20:57:10] [INFO ] After 527ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
[2023-03-16 20:57:10] [INFO ] State equation strengthened by 16 read => feed constraints.
[2023-03-16 20:57:10] [INFO ] After 78ms SMT Verify possible using 16 Read/Feed constraints in natural domain returned unsat :0 sat :1
[2023-03-16 20:57:10] [INFO ] After 185ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
Attempting to minimize the solution found.
Minimization took 62 ms.
[2023-03-16 20:57:10] [INFO ] After 823ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
Knowledge obtained : [p0, (X p0), true, (X (X p0))]
False Knowledge obtained : []
Knowledge based reduction with 4 factoid took 134 ms. Reduced automaton from 3 states, 4 edges and 1 AP (stutter sensitive) to 3 states, 4 edges and 1 AP (stutter sensitive).
Stuttering acceptance computed with spot in 76 ms :[true, (NOT p0), (NOT p0)]
Stuttering acceptance computed with spot in 74 ms :[true, (NOT p0), (NOT p0)]
Stuttering acceptance computed with spot in 85 ms :[true, (NOT p0), (NOT p0)]
Product exploration explored 100000 steps with 2 reset in 4887 ms.
Product exploration explored 100000 steps with 1 reset in 4926 ms.
Applying partial POR strategy [true, false, true]
Stuttering acceptance computed with spot in 71 ms :[true, (NOT p0), (NOT p0)]
Support contains 2 out of 1369 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 1369/1369 places, 93216/93216 transitions.
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 0
Iterating post reduction 0 with 1 rules applied. Total rules applied 1 place count 1369 transition count 93216
Performed 19 Post agglomeration using F-continuation condition with reduction of 3 identical transitions.
Deduced a syphon composed of 20 places in 47 ms
Iterating global reduction 1 with 19 rules applied. Total rules applied 20 place count 1369 transition count 93213
Ensure Unique test removed 439 transitions
Reduce isomorphic transitions removed 439 transitions.
Iterating post reduction 1 with 439 rules applied. Total rules applied 459 place count 1369 transition count 92774
Discarding 2 places :
Symmetric choice reduction at 2 with 2 rule applications. Total rules 461 place count 1367 transition count 92772
Deduced a syphon composed of 18 places in 44 ms
Iterating global reduction 2 with 2 rules applied. Total rules applied 463 place count 1367 transition count 92772
Performed 4 Post agglomeration using F-continuation condition.Transition count delta: 0
Deduced a syphon composed of 22 places in 45 ms
Iterating global reduction 2 with 4 rules applied. Total rules applied 467 place count 1367 transition count 92772
Ensure Unique test removed 96 transitions
Reduce isomorphic transitions removed 96 transitions.
Iterating post reduction 2 with 96 rules applied. Total rules applied 563 place count 1367 transition count 92676
Discarding 4 places :
Symmetric choice reduction at 3 with 4 rule applications. Total rules 567 place count 1363 transition count 92672
Deduced a syphon composed of 18 places in 45 ms
Iterating global reduction 3 with 4 rules applied. Total rules applied 571 place count 1363 transition count 92672
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: -3
Deduced a syphon composed of 19 places in 45 ms
Iterating global reduction 3 with 1 rules applied. Total rules applied 572 place count 1363 transition count 92675
Ensure Unique test removed 3 transitions
Reduce isomorphic transitions removed 3 transitions.
Iterating post reduction 3 with 3 rules applied. Total rules applied 575 place count 1363 transition count 92672
Deduced a syphon composed of 19 places in 46 ms
Applied a total of 575 rules in 1947 ms. Remains 1363 /1369 variables (removed 6) and now considering 92672/93216 (removed 544) transitions.
[2023-03-16 20:57:22] [INFO ] Flow matrix only has 62330 transitions (discarded 30342 similar events)
// Phase 1: matrix 62330 rows 1363 cols
[2023-03-16 20:57:23] [INFO ] Computed 12 place invariants in 198 ms
[2023-03-16 20:57:51] [INFO ] Dead Transitions using invariants and state equation in 28553 ms found 0 transitions.
Starting structural reductions in SI_LTL mode, iteration 1 : 1363/1369 places, 92672/93216 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 30503 ms. Remains : 1363/1369 places, 92672/93216 transitions.
Built C files in :
/tmp/ltsmin12726330512209454487
[2023-03-16 20:57:51] [INFO ] Built C files in 557ms conformant to PINS (ltsmin variant)in folder :/tmp/ltsmin12726330512209454487
Running compilation step : cd /tmp/ltsmin12726330512209454487;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202303021504/bin/limit_time.pl' '3' 'gcc' '-c' '-I/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202303021504/bin/include/' '-I.' '-std=c99' '-fPIC' '-O0' 'model.c'
WARNING : LTS min runner thread failed on error :java.lang.RuntimeException: Compilation or link of executable timed out.java.util.concurrent.TimeoutException: Subprocess running cd /tmp/ltsmin12726330512209454487;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202303021504/bin/limit_time.pl' '3' 'gcc' '-c' '-I/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202303021504/bin/include/' '-I.' '-std=c99' '-fPIC' '-O0' 'model.c' killed by timeout after 3 SECONDS
java.lang.RuntimeException: Compilation or link of executable timed out.java.util.concurrent.TimeoutException: Subprocess running cd /tmp/ltsmin12726330512209454487;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202303021504/bin/limit_time.pl' '3' 'gcc' '-c' '-I/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202303021504/bin/include/' '-I.' '-std=c99' '-fPIC' '-O0' 'model.c' killed by timeout after 3 SECONDS
at fr.lip6.move.gal.application.runner.ltsmin.LTSminRunner$1.run(LTSminRunner.java:92)
at java.base/java.lang.Thread.run(Thread.java:833)
Support contains 2 out of 1369 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 1369/1369 places, 93216/93216 transitions.
Applied a total of 0 rules in 129 ms. Remains 1369 /1369 variables (removed 0) and now considering 93216/93216 (removed 0) transitions.
[2023-03-16 20:57:55] [INFO ] Flow matrix only has 62870 transitions (discarded 30346 similar events)
// Phase 1: matrix 62870 rows 1369 cols
[2023-03-16 20:57:55] [INFO ] Computed 12 place invariants in 250 ms
[2023-03-16 20:57:58] [INFO ] Implicit Places using invariants in 3613 ms returned []
Implicit Place search using SMT only with invariants took 3614 ms to find 0 implicit places.
[2023-03-16 20:57:58] [INFO ] Flow matrix only has 62870 transitions (discarded 30346 similar events)
[2023-03-16 20:57:58] [INFO ] Invariant cache hit.
[2023-03-16 20:58:28] [INFO ] Performed 91348/93216 'is it Dead' test of which 0 returned DEAD in 30 seconds.
[2023-03-16 20:58:29] [INFO ] Dead Transitions using invariants and state equation in 30846 ms found 0 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 34591 ms. Remains : 1369/1369 places, 93216/93216 transitions.
Built C files in :
/tmp/ltsmin9160697611994813819
[2023-03-16 20:58:30] [INFO ] Built C files in 505ms conformant to PINS (ltsmin variant)in folder :/tmp/ltsmin9160697611994813819
Running compilation step : cd /tmp/ltsmin9160697611994813819;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202303021504/bin/limit_time.pl' '3' 'gcc' '-c' '-I/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202303021504/bin/include/' '-I.' '-std=c99' '-fPIC' '-O0' 'model.c'
WARNING : LTS min runner thread failed on error :java.lang.RuntimeException: Compilation or link of executable timed out.java.util.concurrent.TimeoutException: Subprocess running cd /tmp/ltsmin9160697611994813819;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202303021504/bin/limit_time.pl' '3' 'gcc' '-c' '-I/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202303021504/bin/include/' '-I.' '-std=c99' '-fPIC' '-O0' 'model.c' killed by timeout after 3 SECONDS
java.lang.RuntimeException: Compilation or link of executable timed out.java.util.concurrent.TimeoutException: Subprocess running cd /tmp/ltsmin9160697611994813819;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202303021504/bin/limit_time.pl' '3' 'gcc' '-c' '-I/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202303021504/bin/include/' '-I.' '-std=c99' '-fPIC' '-O0' 'model.c' killed by timeout after 3 SECONDS
at fr.lip6.move.gal.application.runner.ltsmin.LTSminRunner$1.run(LTSminRunner.java:92)
at java.base/java.lang.Thread.run(Thread.java:833)
[2023-03-16 20:58:36] [INFO ] Flatten gal took : 2134 ms
[2023-03-16 20:58:39] [INFO ] Flatten gal took : 2245 ms
[2023-03-16 20:58:39] [INFO ] Time to serialize gal into /tmp/LTL15049227921163734861.gal : 331 ms
[2023-03-16 20:58:39] [INFO ] Time to serialize properties into /tmp/LTL2173539553529933563.prop : 1 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202303021504/bin/its-ltl-linux64' '--gc-threshold' '2000000' '-i' '/tmp/LTL15049227921163734861.gal' '-t' 'CGAL' '-hoa' '/tmp/aut3213177966157606140.hoa' '-atoms' '/tmp/LTL2173539553529933563.prop' '-c' '-stutter-deadlock' '--gen-order' 'FOLLOW'

its-ltl command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202303021504/bin/its-ltl-linux64 --gc-threshold 2000000 -i /tmp/L...318
Loading property file /tmp/LTL2173539553529933563.prop.
Loaded 1 atomic propositions.
Checking formula 0 provided in automaton : /tmp/aut3213177966157606140.hoa
Detected timeout of ITS tools.
[2023-03-16 20:58:58] [INFO ] Flatten gal took : 2405 ms
[2023-03-16 20:59:00] [INFO ] Flatten gal took : 2006 ms
[2023-03-16 20:59:01] [INFO ] Time to serialize gal into /tmp/LTL8353546331099714356.gal : 293 ms
[2023-03-16 20:59:01] [INFO ] Time to serialize properties into /tmp/LTL13463811281334197030.ltl : 0 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202303021504/bin/its-ltl-linux64' '--gc-threshold' '2000000' '-i' '/tmp/LTL8353546331099714356.gal' '-t' 'CGAL' '-LTL' '/tmp/LTL13463811281334197030.ltl' '-c' '-stutter-deadlock' '--gen-order' 'FOLLOW'

its-ltl command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202303021504/bin/its-ltl-linux64 --gc-threshold 2000000 -i /tmp/L...276
Read 1 LTL properties
Checking formula 0 : !((G((F("((ps1323==0)||(ps1243==0))"))&&((("((ps1071==1)&&(ps1324==1))")U("((ps500==1)&&(ps529==1))"))||(X(G("((ps1323==0)||(ps1243==0...165
Formula 0 simplified : F(G!"((ps1323==0)||(ps1243==0))" | ((!"((ps1071==1)&&(ps1324==1))" R !"((ps500==1)&&(ps529==1))") & XF!"((ps1323==0)||(ps1243==0))")...156
Detected timeout of ITS tools.
[2023-03-16 20:59:18] [INFO ] Flatten gal took : 2239 ms
[2023-03-16 20:59:18] [INFO ] Applying decomposition
[2023-03-16 20:59:20] [INFO ] Flatten gal took : 2096 ms
Converted graph to binary with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202303021504/bin/convert-linux64' '-i' '/tmp/graph14882892097004553982.txt' '-o' '/tmp/graph14882892097004553982.bin' '-w' '/tmp/graph14882892097004553982.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202303021504/bin/louvain-linux64' '/tmp/graph14882892097004553982.bin' '-l' '-1' '-v' '-w' '/tmp/graph14882892097004553982.weights' '-q' '0' '-e' '0.001'
[2023-03-16 20:59:25] [INFO ] Decomposing Gal with order
[2023-03-16 20:59:25] [INFO ] Rewriting arrays to variables to allow decomposition.
[2023-03-16 20:59:32] [INFO ] Removed a total of 202840 redundant transitions.
[2023-03-16 20:59:33] [INFO ] Flatten gal took : 5816 ms
[2023-03-16 20:59:38] [INFO ] Fuse similar labels procedure discarded/fused a total of 3285 labels/synchronizations in 3544 ms.
[2023-03-16 20:59:38] [INFO ] Time to serialize gal into /tmp/LTL17483968825219911840.gal : 137 ms
[2023-03-16 20:59:38] [INFO ] Time to serialize properties into /tmp/LTL1232199840748784880.ltl : 1 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202303021504/bin/its-ltl-linux64' '--gc-threshold' '2000000' '-i' '/tmp/LTL17483968825219911840.gal' '-t' 'CGAL' '-LTL' '/tmp/LTL1232199840748784880.ltl' '-c' '-stutter-deadlock'

its-ltl command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202303021504/bin/its-ltl-linux64 --gc-threshold 2000000 -i /tmp/L...255
Read 1 LTL properties
Checking formula 0 : !((G((F("((i0.u63.ps1323==0)||(i0.u127.ps1243==0))"))&&((("((i0.u41.ps1071==1)&&(i0.u63.ps1324==1))")U("((i3.u142.ps500==1)&&(i5.i1.i3...231
Formula 0 simplified : F(G!"((i0.u63.ps1323==0)||(i0.u127.ps1243==0))" | ((!"((i0.u41.ps1071==1)&&(i0.u63.ps1324==1))" R !"((i3.u142.ps500==1)&&(i5.i1.i3.u...222
Detected timeout of ITS tools.
Built C files in :
/tmp/ltsmin4460796125285286767
[2023-03-16 20:59:53] [INFO ] Built C files in 538ms conformant to PINS (ltsmin variant)in folder :/tmp/ltsmin4460796125285286767
Running compilation step : cd /tmp/ltsmin4460796125285286767;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202303021504/bin/limit_time.pl' '3' 'gcc' '-c' '-I/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202303021504/bin/include/' '-I.' '-std=c99' '-fPIC' '-O0' 'model.c'
WARNING : LTS min runner thread failed on error :java.lang.RuntimeException: Compilation or link of executable timed out.java.util.concurrent.TimeoutException: Subprocess running cd /tmp/ltsmin4460796125285286767;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202303021504/bin/limit_time.pl' '3' 'gcc' '-c' '-I/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202303021504/bin/include/' '-I.' '-std=c99' '-fPIC' '-O0' 'model.c' killed by timeout after 3 SECONDS
java.lang.RuntimeException: Compilation or link of executable timed out.java.util.concurrent.TimeoutException: Subprocess running cd /tmp/ltsmin4460796125285286767;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202303021504/bin/limit_time.pl' '3' 'gcc' '-c' '-I/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202303021504/bin/include/' '-I.' '-std=c99' '-fPIC' '-O0' 'model.c' killed by timeout after 3 SECONDS
at fr.lip6.move.gal.application.runner.ltsmin.LTSminRunner$1.run(LTSminRunner.java:92)
at java.base/java.lang.Thread.run(Thread.java:833)
Treatment of property RERS2020-PT-pb107-LTLFireability-09 finished in 446432 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(!p0) U X(G(p1))))'
Support contains 4 out of 1369 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 1369/1369 places, 93216/93216 transitions.
Applied a total of 0 rules in 125 ms. Remains 1369 /1369 variables (removed 0) and now considering 93216/93216 (removed 0) transitions.
[2023-03-16 20:59:57] [INFO ] Flow matrix only has 62870 transitions (discarded 30346 similar events)
[2023-03-16 20:59:57] [INFO ] Invariant cache hit.
[2023-03-16 21:00:00] [INFO ] Implicit Places using invariants in 3550 ms returned []
Implicit Place search using SMT only with invariants took 3551 ms to find 0 implicit places.
[2023-03-16 21:00:00] [INFO ] Flow matrix only has 62870 transitions (discarded 30346 similar events)
[2023-03-16 21:00:00] [INFO ] Invariant cache hit.
[2023-03-16 21:00:30] [INFO ] Performed 91355/93216 'is it Dead' test of which 0 returned DEAD in 30 seconds.
[2023-03-16 21:00:31] [INFO ] Dead Transitions using invariants and state equation in 30842 ms found 0 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 34520 ms. Remains : 1369/1369 places, 93216/93216 transitions.
Stuttering acceptance computed with spot in 154 ms :[(NOT p1), (AND (NOT p1) p0), (NOT p1), true, (AND p1 p0)]
Running random walk in product with property : RERS2020-PT-pb107-LTLFireability-10 automaton TGBA Formula[mat=[[{ cond=p1, acceptance={} source=0 dest: 0}, { cond=(NOT p1), acceptance={} source=0 dest: 3}], [{ cond=(AND p0 (NOT p1)), acceptance={} source=1 dest: 3}, { cond=(AND (NOT p0) (NOT p1)), acceptance={} source=1 dest: 4}], [{ cond=p0, acceptance={} source=2 dest: 0}, { cond=(NOT p0), acceptance={} source=2 dest: 1}, { cond=(AND (NOT p0) p1), acceptance={} source=2 dest: 2}, { cond=(AND (NOT p0) (NOT p1)), acceptance={0} source=2 dest: 2}], [{ cond=true, acceptance={0} source=3 dest: 3}], [{ cond=(AND p0 p1), acceptance={} source=4 dest: 3}, { cond=(AND (NOT p0) p1), acceptance={} source=4 dest: 4}]], initial=2, aps=[p1:(AND (EQ s29 1) (EQ s241 1)), p0:(AND (EQ s997 1) (EQ s1341 1))], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, no-univ-branch, stutter-sensitive], stateDesc=[null, null, null, null, null][false, false, false, false, false]]
Product exploration explored 100000 steps with 25045 reset in 8607 ms.
Product exploration explored 100000 steps with 25015 reset in 8583 ms.
Computed a total of 261 stabilizing places and 30825 stable transitions
Computed a total of 261 stabilizing places and 30825 stable transitions
Knowledge obtained : [(AND (NOT p1) (NOT p0)), (X (NOT (AND p0 (NOT p1)))), (X (NOT (AND (NOT p0) p1))), (X (AND (NOT p0) (NOT p1))), (X (NOT p0)), (X (NOT p1)), true, (X (X (NOT (AND p0 (NOT p1))))), (X (X (NOT (AND (NOT p0) p1)))), (X (X (AND (NOT p0) (NOT p1)))), (X (X (NOT (AND p0 p1)))), (X (X (NOT p0))), (X (X (NOT p1)))]
False Knowledge obtained : []
Knowledge sufficient to adopt a stutter insensitive property.
Knowledge based reduction with 13 factoid took 593 ms. Reduced automaton from 5 states, 11 edges and 2 AP (stutter sensitive) to 4 states, 10 edges and 2 AP (stutter insensitive).
Stuttering acceptance computed with spot in 112 ms :[(NOT p1), (NOT p1), true, (AND p1 p0)]
Incomplete random walk after 10000 steps, including 4 resets, run finished after 622 ms. (steps per millisecond=16 ) properties (out of 5) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 67 ms. (steps per millisecond=149 ) properties (out of 5) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 67 ms. (steps per millisecond=149 ) properties (out of 5) seen :0
Incomplete Best-First random walk after 10001 steps, including 3 resets, run finished after 74 ms. (steps per millisecond=135 ) properties (out of 5) seen :0
Incomplete Best-First random walk after 10000 steps, including 2 resets, run finished after 113 ms. (steps per millisecond=88 ) properties (out of 5) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 77 ms. (steps per millisecond=129 ) properties (out of 5) seen :0
Interrupted probabilistic random walk after 9108 steps, run timeout after 3003 ms. (steps per millisecond=3 ) properties seen :{}
Probabilistic random walk after 9108 steps, saw 7473 distinct states, run finished after 3003 ms. (steps per millisecond=3 ) properties seen :0
Running SMT prover for 5 properties.
[2023-03-16 21:00:54] [INFO ] Flow matrix only has 62870 transitions (discarded 30346 similar events)
[2023-03-16 21:00:54] [INFO ] Invariant cache hit.
[2023-03-16 21:00:54] [INFO ] [Real]Absence check using 12 positive place invariants in 11 ms returned sat
[2023-03-16 21:01:17] [INFO ] After 22853ms SMT Verify possible using state equation in real domain returned unsat :0 sat :3 real:2
[2023-03-16 21:01:17] [INFO ] State equation strengthened by 3692 read => feed constraints.
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:642)
at fr.lip6.move.gal.structural.smt.DeadlockTester.testUnreachableWithSMTIncremental(DeadlockTester.java:339)
at fr.lip6.move.gal.structural.smt.DeadlockTester.testUnreachableWithSMT(DeadlockTester.java:223)
at fr.lip6.move.gal.application.solver.ReachabilitySolver.applyReductions(ReachabilitySolver.java:95)
at fr.lip6.move.gal.application.solver.ltl.LTLPropertySolver.addInvarianceKnowledge(LTLPropertySolver.java:701)
at fr.lip6.move.gal.application.solver.ltl.LTLPropertySolver.applyKnowledgeBasedReductions(LTLPropertySolver.java:568)
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)
[2023-03-16 21:01:19] [WARNING] SMT solver failed with error :SMT solver raised an error when submitting script.... while checking expressions.
[2023-03-16 21:01:19] [INFO ] After 25031ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0
Fused 5 Parikh solutions to 1 different solutions.
Parikh walk visited 0 properties in 0 ms.
Support contains 4 out of 1369 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 1369/1369 places, 93216/93216 transitions.
Drop transitions removed 2811 transitions
Reduce isomorphic transitions removed 2811 transitions.
Drop transitions removed 1 transitions
Trivial Post-agglo rules discarded 1 transitions
Performed 1 trivial Post agglomeration. Transition count delta: 1
Iterating post reduction 0 with 2812 rules applied. Total rules applied 2812 place count 1369 transition count 90404
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 1 with 1 rules applied. Total rules applied 2813 place count 1368 transition count 90404
Performed 2 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 2 Pre rules applied. Total rules applied 2813 place count 1368 transition count 90402
Deduced a syphon composed of 2 places in 45 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 2 with 4 rules applied. Total rules applied 2817 place count 1366 transition count 90402
Drop transitions removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 2 with 2 rules applied. Total rules applied 2819 place count 1366 transition count 90400
Performed 17 Post agglomeration using F-continuation condition with reduction of 3 identical transitions.
Deduced a syphon composed of 17 places in 45 ms
Reduce places removed 17 places and 0 transitions.
Iterating global reduction 3 with 34 rules applied. Total rules applied 2853 place count 1349 transition count 90380
Drop transitions removed 6 transitions
Ensure Unique test removed 439 transitions
Reduce isomorphic transitions removed 445 transitions.
Iterating post reduction 3 with 445 rules applied. Total rules applied 3298 place count 1349 transition count 89935
Performed 4 Post agglomeration using F-continuation condition.Transition count delta: 4
Deduced a syphon composed of 4 places in 44 ms
Reduce places removed 4 places and 0 transitions.
Iterating global reduction 4 with 8 rules applied. Total rules applied 3306 place count 1345 transition count 89931
Drop transitions removed 4 transitions
Ensure Unique test removed 92 transitions
Reduce isomorphic transitions removed 96 transitions.
Iterating post reduction 4 with 96 rules applied. Total rules applied 3402 place count 1345 transition count 89835
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: -1
Deduced a syphon composed of 1 places in 45 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 5 with 2 rules applied. Total rules applied 3404 place count 1344 transition count 89836
Ensure Unique test removed 3 transitions
Reduce isomorphic transitions removed 3 transitions.
Iterating post reduction 5 with 3 rules applied. Total rules applied 3407 place count 1344 transition count 89833
Free-agglomeration rule applied 32 times.
Iterating global reduction 6 with 32 rules applied. Total rules applied 3439 place count 1344 transition count 89801
Reduce places removed 32 places and 0 transitions.
Drop transitions removed 44 transitions
Ensure Unique test removed 555 transitions
Reduce isomorphic transitions removed 599 transitions.
Iterating post reduction 6 with 631 rules applied. Total rules applied 4070 place count 1312 transition count 89202
Free-agglomeration rule (complex) applied 15 times with reduction of 16 identical transitions.
Iterating global reduction 7 with 15 rules applied. Total rules applied 4085 place count 1312 transition count 89935
Reduce places removed 15 places and 0 transitions.
Drop transitions removed 5 transitions
Ensure Unique test removed 21 transitions
Reduce isomorphic transitions removed 26 transitions.
Iterating post reduction 7 with 41 rules applied. Total rules applied 4126 place count 1297 transition count 89909
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 8 with 1 rules applied. Total rules applied 4127 place count 1296 transition count 89908
Applied a total of 4127 rules in 3641 ms. Remains 1296 /1369 variables (removed 73) and now considering 89908/93216 (removed 3308) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 3643 ms. Remains : 1296/1369 places, 89908/93216 transitions.
Incomplete random walk after 10000 steps, including 2 resets, run finished after 664 ms. (steps per millisecond=15 ) properties (out of 5) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 72 ms. (steps per millisecond=138 ) properties (out of 5) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 82 ms. (steps per millisecond=121 ) properties (out of 5) seen :0
Incomplete Best-First random walk after 10001 steps, including 3 resets, run finished after 80 ms. (steps per millisecond=125 ) properties (out of 5) seen :0
Incomplete Best-First random walk after 10001 steps, including 3 resets, run finished after 71 ms. (steps per millisecond=140 ) properties (out of 5) seen :0
Incomplete Best-First random walk after 10001 steps, including 3 resets, run finished after 70 ms. (steps per millisecond=142 ) properties (out of 5) seen :0
Interrupted probabilistic random walk after 9208 steps, run timeout after 3001 ms. (steps per millisecond=3 ) properties seen :{}
Probabilistic random walk after 9208 steps, saw 7294 distinct states, run finished after 3001 ms. (steps per millisecond=3 ) properties seen :0
Running SMT prover for 5 properties.
[2023-03-16 21:01:27] [INFO ] Flow matrix only has 62424 transitions (discarded 27484 similar events)
// Phase 1: matrix 62424 rows 1296 cols
[2023-03-16 21:01:27] [INFO ] Computed 12 place invariants in 186 ms
[2023-03-16 21:01:27] [INFO ] [Real]Absence check using 12 positive place invariants in 11 ms returned sat
[2023-03-16 21:01:51] [INFO ] After 23439ms SMT Verify possible using state equation in real domain returned unsat :0 sat :3 real:2
[2023-03-16 21:01:51] [INFO ] State equation strengthened by 3688 read => feed constraints.
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:642)
at fr.lip6.move.gal.structural.smt.DeadlockTester.testUnreachableWithSMTIncremental(DeadlockTester.java:339)
at fr.lip6.move.gal.structural.smt.DeadlockTester.testUnreachableWithSMT(DeadlockTester.java:223)
at fr.lip6.move.gal.application.solver.ReachabilitySolver.applyReductions(ReachabilitySolver.java:95)
at fr.lip6.move.gal.application.solver.ltl.LTLPropertySolver.addInvarianceKnowledge(LTLPropertySolver.java:701)
at fr.lip6.move.gal.application.solver.ltl.LTLPropertySolver.applyKnowledgeBasedReductions(LTLPropertySolver.java:568)
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)
[2023-03-16 21:01:52] [WARNING] SMT solver failed with error :SMT solver raised an error when submitting script.... while checking expressions.
[2023-03-16 21:01:52] [INFO ] After 25030ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0
Fused 5 Parikh solutions to 2 different solutions.
Parikh walk visited 0 properties in 15 ms.
Support contains 4 out of 1296 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 1296/1296 places, 89908/89908 transitions.
Applied a total of 0 rules in 438 ms. Remains 1296 /1296 variables (removed 0) and now considering 89908/89908 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 438 ms. Remains : 1296/1296 places, 89908/89908 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 1296/1296 places, 89908/89908 transitions.
Applied a total of 0 rules in 388 ms. Remains 1296 /1296 variables (removed 0) and now considering 89908/89908 (removed 0) transitions.
[2023-03-16 21:01:53] [INFO ] Flow matrix only has 62424 transitions (discarded 27484 similar events)
[2023-03-16 21:01:53] [INFO ] Invariant cache hit.
[2023-03-16 21:01:56] [INFO ] Implicit Places using invariants in 3636 ms returned []
Implicit Place search using SMT only with invariants took 3637 ms to find 0 implicit places.
[2023-03-16 21:01:56] [INFO ] Flow matrix only has 62424 transitions (discarded 27484 similar events)
[2023-03-16 21:01:56] [INFO ] Invariant cache hit.
[2023-03-16 21:02:26] [INFO ] Dead Transitions using invariants and state equation in 29434 ms found 0 transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 33466 ms. Remains : 1296/1296 places, 89908/89908 transitions.
Graph (trivial) has 31546 edges and 1296 vertex of which 1026 / 1296 are part of one of the 151 SCC in 4 ms
Free SCC test removed 875 places
Drop transitions removed 32678 transitions
Ensure Unique test removed 48366 transitions
Reduce isomorphic transitions removed 81044 transitions.
Graph (complete) has 8471 edges and 421 vertex of which 406 are kept as prefixes of interest. Removing 15 places using SCC suffix rule.9 ms
Discarding 15 places :
Also discarding 2 output transitions
Drop transitions removed 2 transitions
Drop transitions removed 23 transitions
Ensure Unique test removed 19 transitions
Reduce isomorphic transitions removed 42 transitions.
Iterating post reduction 0 with 42 rules applied. Total rules applied 44 place count 406 transition count 8820
Performed 1 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 1 with 1 Pre rules applied. Total rules applied 44 place count 406 transition count 8819
Deduced a syphon composed of 1 places in 2 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 1 with 2 rules applied. Total rules applied 46 place count 405 transition count 8819
Discarding 3 places :
Symmetric choice reduction at 1 with 3 rule applications. Total rules 49 place count 402 transition count 8807
Iterating global reduction 1 with 3 rules applied. Total rules applied 52 place count 402 transition count 8807
Ensure Unique test removed 6 transitions
Reduce isomorphic transitions removed 6 transitions.
Iterating post reduction 1 with 6 rules applied. Total rules applied 58 place count 402 transition count 8801
Performed 4 Post agglomeration using F-continuation condition.Transition count delta: 4
Deduced a syphon composed of 4 places in 2 ms
Reduce places removed 4 places and 0 transitions.
Iterating global reduction 2 with 8 rules applied. Total rules applied 66 place count 398 transition count 8797
Ensure Unique test removed 73 transitions
Reduce isomorphic transitions removed 73 transitions.
Iterating post reduction 2 with 73 rules applied. Total rules applied 139 place count 398 transition count 8724
Drop transitions removed 4078 transitions
Redundant transition composition rules discarded 4078 transitions
Iterating global reduction 3 with 4078 rules applied. Total rules applied 4217 place count 398 transition count 4646
Reduce places removed 3 places and 0 transitions.
Drop transitions removed 51 transitions
Reduce isomorphic transitions removed 51 transitions.
Graph (complete) has 5340 edges and 395 vertex of which 362 are kept as prefixes of interest. Removing 33 places using SCC suffix rule.1 ms
Discarding 33 places :
Also discarding 7 output transitions
Drop transitions removed 7 transitions
Iterating post reduction 3 with 55 rules applied. Total rules applied 4272 place count 362 transition count 4588
Drop transitions removed 449 transitions
Ensure Unique test removed 12 transitions
Reduce isomorphic transitions removed 461 transitions.
Iterating post reduction 4 with 461 rules applied. Total rules applied 4733 place count 362 transition count 4127
Performed 1 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 5 with 1 Pre rules applied. Total rules applied 4733 place count 362 transition count 4126
Deduced a syphon composed of 1 places in 1 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 5 with 2 rules applied. Total rules applied 4735 place count 361 transition count 4126
Discarding 6 places :
Symmetric choice reduction at 5 with 6 rule applications. Total rules 4741 place count 355 transition count 4104
Iterating global reduction 5 with 6 rules applied. Total rules applied 4747 place count 355 transition count 4104
Discarding 4 places :
Symmetric choice reduction at 5 with 4 rule applications. Total rules 4751 place count 351 transition count 4088
Iterating global reduction 5 with 4 rules applied. Total rules applied 4755 place count 351 transition count 4088
Performed 5 Post agglomeration using F-continuation condition.Transition count delta: 5
Deduced a syphon composed of 5 places in 1 ms
Reduce places removed 5 places and 0 transitions.
Iterating global reduction 5 with 10 rules applied. Total rules applied 4765 place count 346 transition count 4083
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 5 with 1 rules applied. Total rules applied 4766 place count 346 transition count 4082
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: -13
Deduced a syphon composed of 1 places in 1 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 6 with 2 rules applied. Total rules applied 4768 place count 345 transition count 4095
Drop transitions removed 22 transitions
Redundant transition composition rules discarded 22 transitions
Iterating global reduction 6 with 22 rules applied. Total rules applied 4790 place count 345 transition count 4073
Free-agglomeration rule applied 18 times with reduction of 6 identical transitions.
Iterating global reduction 6 with 18 rules applied. Total rules applied 4808 place count 345 transition count 4049
Reduce places removed 18 places and 0 transitions.
Ensure Unique test removed 55 transitions
Reduce isomorphic transitions removed 55 transitions.
Iterating post reduction 6 with 73 rules applied. Total rules applied 4881 place count 327 transition count 3994
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: -10
Deduced a syphon composed of 1 places in 1 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 7 with 2 rules applied. Total rules applied 4883 place count 326 transition count 4004
Drop transitions removed 84 transitions
Redundant transition composition rules discarded 84 transitions
Iterating global reduction 7 with 84 rules applied. Total rules applied 4967 place count 326 transition count 3920
Free-agglomeration rule applied 10 times with reduction of 1 identical transitions.
Iterating global reduction 7 with 10 rules applied. Total rules applied 4977 place count 326 transition count 3909
Reduce places removed 10 places and 0 transitions.
Ensure Unique test removed 12 transitions
Reduce isomorphic transitions removed 12 transitions.
Iterating post reduction 7 with 22 rules applied. Total rules applied 4999 place count 316 transition count 3897
Drop transitions removed 32 transitions
Redundant transition composition rules discarded 32 transitions
Iterating global reduction 8 with 32 rules applied. Total rules applied 5031 place count 316 transition count 3865
Free-agglomeration rule applied 4 times.
Iterating global reduction 8 with 4 rules applied. Total rules applied 5035 place count 316 transition count 3861
Reduce places removed 4 places and 0 transitions.
Iterating post reduction 8 with 4 rules applied. Total rules applied 5039 place count 312 transition count 3861
Drop transitions removed 13 transitions
Redundant transition composition rules discarded 13 transitions
Iterating global reduction 9 with 13 rules applied. Total rules applied 5052 place count 312 transition count 3848
Free-agglomeration rule applied 1 times.
Iterating global reduction 9 with 1 rules applied. Total rules applied 5053 place count 312 transition count 3847
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 9 with 1 rules applied. Total rules applied 5054 place count 311 transition count 3847
Free-agglomeration rule (complex) applied 6 times with reduction of 11 identical transitions.
Iterating global reduction 10 with 6 rules applied. Total rules applied 5060 place count 311 transition count 3907
Reduce places removed 6 places and 0 transitions.
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 10 with 7 rules applied. Total rules applied 5067 place count 305 transition count 3906
Drop transitions removed 30 transitions
Redundant transition composition rules discarded 30 transitions
Iterating global reduction 11 with 30 rules applied. Total rules applied 5097 place count 305 transition count 3876
Applied a total of 5097 rules in 1456 ms. Remains 305 /1296 variables (removed 991) and now considering 3876/89908 (removed 86032) transitions.
Running SMT prover for 5 properties.
[2023-03-16 21:02:27] [INFO ] Flow matrix only has 3765 transitions (discarded 111 similar events)
// Phase 1: matrix 3765 rows 305 cols
[2023-03-16 21:02:27] [INFO ] Computed 0 place invariants in 14 ms
[2023-03-16 21:02:28] [INFO ] After 751ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:5
[2023-03-16 21:02:29] [INFO ] After 793ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :5
[2023-03-16 21:02:29] [INFO ] State equation strengthened by 16 read => feed constraints.
[2023-03-16 21:02:29] [INFO ] After 343ms SMT Verify possible using 16 Read/Feed constraints in natural domain returned unsat :0 sat :5
[2023-03-16 21:02:30] [INFO ] After 898ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :5
Attempting to minimize the solution found.
Minimization took 332 ms.
[2023-03-16 21:02:30] [INFO ] After 2103ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :5
Knowledge obtained : [(AND (NOT p1) (NOT p0)), (X (NOT (AND p0 (NOT p1)))), (X (NOT (AND (NOT p0) p1))), (X (AND (NOT p0) (NOT p1))), (X (NOT p0)), (X (NOT p1)), true, (X (X (NOT (AND p0 (NOT p1))))), (X (X (NOT (AND (NOT p0) p1)))), (X (X (AND (NOT p0) (NOT p1)))), (X (X (NOT (AND p0 p1)))), (X (X (NOT p0))), (X (X (NOT p1)))]
False Knowledge obtained : []
Knowledge based reduction with 13 factoid took 531 ms. Reduced automaton from 4 states, 10 edges and 2 AP (stutter insensitive) to 4 states, 10 edges and 2 AP (stutter insensitive).
Stuttering acceptance computed with spot in 109 ms :[(NOT p1), (NOT p1), true, (AND p1 p0)]
Stuttering acceptance computed with spot in 183 ms :[(NOT p1), (NOT p1), true, (AND p1 p0)]
[2023-03-16 21:02:31] [INFO ] Flow matrix only has 62870 transitions (discarded 30346 similar events)
// Phase 1: matrix 62870 rows 1369 cols
[2023-03-16 21:02:32] [INFO ] Computed 12 place invariants in 251 ms
Could not prove EG (NOT p1)
Support contains 4 out of 1369 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 1369/1369 places, 93216/93216 transitions.
Reduce places removed 1 places and 1 transitions.
Drop transitions removed 1 transitions
Trivial Post-agglo rules discarded 1 transitions
Performed 1 trivial Post agglomeration. Transition count delta: 1
Iterating post reduction 0 with 1 rules applied. Total rules applied 1 place count 1368 transition count 93214
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 1 with 1 rules applied. Total rules applied 2 place count 1367 transition count 93214
Performed 2 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 2 Pre rules applied. Total rules applied 2 place count 1367 transition count 93212
Deduced a syphon composed of 2 places in 48 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 2 with 4 rules applied. Total rules applied 6 place count 1365 transition count 93212
Performed 17 Post agglomeration using F-continuation condition with reduction of 3 identical transitions.
Deduced a syphon composed of 17 places in 48 ms
Reduce places removed 17 places and 0 transitions.
Iterating global reduction 2 with 34 rules applied. Total rules applied 40 place count 1348 transition count 93192
Ensure Unique test removed 439 transitions
Reduce isomorphic transitions removed 439 transitions.
Iterating post reduction 2 with 439 rules applied. Total rules applied 479 place count 1348 transition count 92753
Performed 4 Post agglomeration using F-continuation condition.Transition count delta: 4
Deduced a syphon composed of 4 places in 48 ms
Reduce places removed 4 places and 0 transitions.
Iterating global reduction 3 with 8 rules applied. Total rules applied 487 place count 1344 transition count 92749
Ensure Unique test removed 96 transitions
Reduce isomorphic transitions removed 96 transitions.
Iterating post reduction 3 with 96 rules applied. Total rules applied 583 place count 1344 transition count 92653
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: -1
Deduced a syphon composed of 1 places in 48 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 4 with 2 rules applied. Total rules applied 585 place count 1343 transition count 92654
Ensure Unique test removed 3 transitions
Reduce isomorphic transitions removed 3 transitions.
Iterating post reduction 4 with 3 rules applied. Total rules applied 588 place count 1343 transition count 92651
Applied a total of 588 rules in 2241 ms. Remains 1343 /1369 variables (removed 26) and now considering 92651/93216 (removed 565) transitions.
[2023-03-16 21:02:49] [INFO ] Flow matrix only has 62309 transitions (discarded 30342 similar events)
// Phase 1: matrix 62309 rows 1343 cols
[2023-03-16 21:02:49] [INFO ] Computed 12 place invariants in 212 ms
[2023-03-16 21:02:52] [INFO ] Implicit Places using invariants in 3529 ms returned []
Implicit Place search using SMT only with invariants took 3529 ms to find 0 implicit places.
[2023-03-16 21:02:52] [INFO ] Flow matrix only has 62309 transitions (discarded 30342 similar events)
[2023-03-16 21:02:52] [INFO ] Invariant cache hit.
[2023-03-16 21:03:23] [INFO ] Performed 90153/92651 'is it Dead' test of which 0 returned DEAD in 30 seconds.
[2023-03-16 21:03:23] [INFO ] Dead Transitions using invariants and state equation in 31059 ms found 0 transitions.
Starting structural reductions in SI_LTL mode, iteration 1 : 1343/1369 places, 92651/93216 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 36832 ms. Remains : 1343/1369 places, 92651/93216 transitions.
Computed a total of 257 stabilizing places and 30632 stable transitions
Computed a total of 257 stabilizing places and 30632 stable transitions
Knowledge obtained : [(AND (NOT p1) (NOT p0)), (X (NOT (AND p0 (NOT p1)))), (X (NOT (AND (NOT p0) p1))), (X (AND (NOT p0) (NOT p1))), (X (NOT (AND p0 p1))), (X (NOT p1)), true, (X (X (NOT (AND p0 (NOT p1))))), (X (X (NOT (AND (NOT p0) p1)))), (X (X (AND (NOT p0) (NOT p1)))), (X (X (NOT (AND p0 p1)))), (X (X (NOT p1)))]
False Knowledge obtained : []
Knowledge based reduction with 12 factoid took 508 ms. Reduced automaton from 4 states, 10 edges and 2 AP (stutter insensitive) to 4 states, 10 edges and 2 AP (stutter insensitive).
Stuttering acceptance computed with spot in 125 ms :[(NOT p1), (NOT p1), true, (AND p1 p0)]
Incomplete random walk after 10000 steps, including 2 resets, run finished after 685 ms. (steps per millisecond=14 ) properties (out of 5) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 80 ms. (steps per millisecond=125 ) properties (out of 5) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 78 ms. (steps per millisecond=128 ) properties (out of 5) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 75 ms. (steps per millisecond=133 ) properties (out of 5) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 79 ms. (steps per millisecond=126 ) properties (out of 5) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 76 ms. (steps per millisecond=131 ) properties (out of 5) seen :0
Interrupted probabilistic random walk after 7928 steps, run timeout after 3001 ms. (steps per millisecond=2 ) properties seen :{}
Probabilistic random walk after 7928 steps, saw 5685 distinct states, run finished after 3001 ms. (steps per millisecond=2 ) properties seen :0
Running SMT prover for 5 properties.
[2023-03-16 21:03:29] [INFO ] Flow matrix only has 62309 transitions (discarded 30342 similar events)
[2023-03-16 21:03:29] [INFO ] Invariant cache hit.
[2023-03-16 21:03:29] [INFO ] [Real]Absence check using 12 positive place invariants in 10 ms returned sat
[2023-03-16 21:03:51] [INFO ] After 21879ms SMT Verify possible using state equation in real domain returned unsat :0 sat :3 real:2
[2023-03-16 21:03:51] [INFO ] State equation strengthened by 3673 read => feed constraints.
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:642)
at fr.lip6.move.gal.structural.smt.DeadlockTester.testUnreachableWithSMTIncremental(DeadlockTester.java:339)
at fr.lip6.move.gal.structural.smt.DeadlockTester.testUnreachableWithSMT(DeadlockTester.java:223)
at fr.lip6.move.gal.application.solver.ReachabilitySolver.applyReductions(ReachabilitySolver.java:95)
at fr.lip6.move.gal.application.solver.ltl.LTLPropertySolver.addInvarianceKnowledge(LTLPropertySolver.java:701)
at fr.lip6.move.gal.application.solver.ltl.LTLPropertySolver.applyKnowledgeBasedReductions(LTLPropertySolver.java:568)
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)
[2023-03-16 21:03:54] [WARNING] SMT solver failed with error :SMT solver raised an error when submitting script.... while checking expressions.
[2023-03-16 21:03:54] [INFO ] After 25033ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0
Fused 5 Parikh solutions to 2 different solutions.
Parikh walk visited 0 properties in 16 ms.
Support contains 4 out of 1343 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 1343/1343 places, 92651/92651 transitions.
Drop transitions removed 2819 transitions
Reduce isomorphic transitions removed 2819 transitions.
Iterating post reduction 0 with 2819 rules applied. Total rules applied 2819 place count 1343 transition count 89832
Free-agglomeration rule applied 32 times.
Iterating global reduction 1 with 32 rules applied. Total rules applied 2851 place count 1343 transition count 89800
Reduce places removed 32 places and 0 transitions.
Drop transitions removed 44 transitions
Ensure Unique test removed 555 transitions
Reduce isomorphic transitions removed 599 transitions.
Iterating post reduction 1 with 631 rules applied. Total rules applied 3482 place count 1311 transition count 89201
Free-agglomeration rule (complex) applied 15 times with reduction of 16 identical transitions.
Iterating global reduction 2 with 15 rules applied. Total rules applied 3497 place count 1311 transition count 89934
Reduce places removed 15 places and 0 transitions.
Drop transitions removed 5 transitions
Ensure Unique test removed 21 transitions
Reduce isomorphic transitions removed 26 transitions.
Iterating post reduction 2 with 41 rules applied. Total rules applied 3538 place count 1296 transition count 89908
Applied a total of 3538 rules in 1778 ms. Remains 1296 /1343 variables (removed 47) and now considering 89908/92651 (removed 2743) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 1782 ms. Remains : 1296/1343 places, 89908/92651 transitions.
Incomplete random walk after 10000 steps, including 3 resets, run finished after 634 ms. (steps per millisecond=15 ) properties (out of 5) seen :0
Incomplete Best-First random walk after 10001 steps, including 3 resets, run finished after 77 ms. (steps per millisecond=129 ) properties (out of 5) seen :0
Incomplete Best-First random walk after 10001 steps, including 3 resets, run finished after 77 ms. (steps per millisecond=129 ) properties (out of 5) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 80 ms. (steps per millisecond=125 ) properties (out of 5) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 80 ms. (steps per millisecond=125 ) properties (out of 5) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 77 ms. (steps per millisecond=129 ) properties (out of 5) seen :0
Interrupted probabilistic random walk after 9285 steps, run timeout after 3003 ms. (steps per millisecond=3 ) properties seen :{}
Probabilistic random walk after 9285 steps, saw 7360 distinct states, run finished after 3004 ms. (steps per millisecond=3 ) properties seen :0
Running SMT prover for 5 properties.
[2023-03-16 21:04:00] [INFO ] Flow matrix only has 62424 transitions (discarded 27484 similar events)
// Phase 1: matrix 62424 rows 1296 cols
[2023-03-16 21:04:00] [INFO ] Computed 12 place invariants in 211 ms
[2023-03-16 21:04:00] [INFO ] [Real]Absence check using 12 positive place invariants in 10 ms returned sat
[2023-03-16 21:04:22] [INFO ] After 22055ms SMT Verify possible using state equation in real domain returned unsat :0 sat :3 real:2
[2023-03-16 21:04:23] [INFO ] State equation strengthened by 3688 read => feed constraints.
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:642)
at fr.lip6.move.gal.structural.smt.DeadlockTester.testUnreachableWithSMTIncremental(DeadlockTester.java:339)
at fr.lip6.move.gal.structural.smt.DeadlockTester.testUnreachableWithSMT(DeadlockTester.java:223)
at fr.lip6.move.gal.application.solver.ReachabilitySolver.applyReductions(ReachabilitySolver.java:95)
at fr.lip6.move.gal.application.solver.ltl.LTLPropertySolver.addInvarianceKnowledge(LTLPropertySolver.java:701)
at fr.lip6.move.gal.application.solver.ltl.LTLPropertySolver.applyKnowledgeBasedReductions(LTLPropertySolver.java:568)
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)
[2023-03-16 21:04:25] [WARNING] SMT solver failed with error :SMT solver raised an error when submitting script.... while checking expressions.
[2023-03-16 21:04:25] [INFO ] After 25043ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0
Fused 5 Parikh solutions to 2 different solutions.
Parikh walk visited 0 properties in 12 ms.
Support contains 4 out of 1296 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 1296/1296 places, 89908/89908 transitions.
Applied a total of 0 rules in 383 ms. Remains 1296 /1296 variables (removed 0) and now considering 89908/89908 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 384 ms. Remains : 1296/1296 places, 89908/89908 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 1296/1296 places, 89908/89908 transitions.
Applied a total of 0 rules in 390 ms. Remains 1296 /1296 variables (removed 0) and now considering 89908/89908 (removed 0) transitions.
[2023-03-16 21:04:26] [INFO ] Flow matrix only has 62424 transitions (discarded 27484 similar events)
[2023-03-16 21:04:26] [INFO ] Invariant cache hit.
[2023-03-16 21:04:29] [INFO ] Implicit Places using invariants in 3487 ms returned []
Implicit Place search using SMT only with invariants took 3488 ms to find 0 implicit places.
[2023-03-16 21:04:29] [INFO ] Flow matrix only has 62424 transitions (discarded 27484 similar events)
[2023-03-16 21:04:29] [INFO ] Invariant cache hit.
[2023-03-16 21:05:00] [INFO ] Performed 89215/89908 'is it Dead' test of which 0 returned DEAD in 30 seconds.
[2023-03-16 21:05:00] [INFO ] Dead Transitions using invariants and state equation in 30419 ms found 0 transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 34306 ms. Remains : 1296/1296 places, 89908/89908 transitions.
Graph (trivial) has 31546 edges and 1296 vertex of which 1026 / 1296 are part of one of the 151 SCC in 4 ms
Free SCC test removed 875 places
Drop transitions removed 32678 transitions
Ensure Unique test removed 48366 transitions
Reduce isomorphic transitions removed 81044 transitions.
Graph (complete) has 8471 edges and 421 vertex of which 406 are kept as prefixes of interest. Removing 15 places using SCC suffix rule.3 ms
Discarding 15 places :
Also discarding 2 output transitions
Drop transitions removed 2 transitions
Drop transitions removed 23 transitions
Ensure Unique test removed 19 transitions
Reduce isomorphic transitions removed 42 transitions.
Iterating post reduction 0 with 42 rules applied. Total rules applied 44 place count 406 transition count 8820
Performed 1 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 1 with 1 Pre rules applied. Total rules applied 44 place count 406 transition count 8819
Deduced a syphon composed of 1 places in 2 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 1 with 2 rules applied. Total rules applied 46 place count 405 transition count 8819
Discarding 3 places :
Symmetric choice reduction at 1 with 3 rule applications. Total rules 49 place count 402 transition count 8807
Iterating global reduction 1 with 3 rules applied. Total rules applied 52 place count 402 transition count 8807
Ensure Unique test removed 6 transitions
Reduce isomorphic transitions removed 6 transitions.
Iterating post reduction 1 with 6 rules applied. Total rules applied 58 place count 402 transition count 8801
Performed 4 Post agglomeration using F-continuation condition.Transition count delta: 4
Deduced a syphon composed of 4 places in 2 ms
Reduce places removed 4 places and 0 transitions.
Iterating global reduction 2 with 8 rules applied. Total rules applied 66 place count 398 transition count 8797
Ensure Unique test removed 73 transitions
Reduce isomorphic transitions removed 73 transitions.
Iterating post reduction 2 with 73 rules applied. Total rules applied 139 place count 398 transition count 8724
Drop transitions removed 4078 transitions
Redundant transition composition rules discarded 4078 transitions
Iterating global reduction 3 with 4078 rules applied. Total rules applied 4217 place count 398 transition count 4646
Reduce places removed 3 places and 0 transitions.
Drop transitions removed 51 transitions
Reduce isomorphic transitions removed 51 transitions.
Graph (complete) has 5340 edges and 395 vertex of which 362 are kept as prefixes of interest. Removing 33 places using SCC suffix rule.2 ms
Discarding 33 places :
Also discarding 7 output transitions
Drop transitions removed 7 transitions
Iterating post reduction 3 with 55 rules applied. Total rules applied 4272 place count 362 transition count 4588
Drop transitions removed 449 transitions
Ensure Unique test removed 12 transitions
Reduce isomorphic transitions removed 461 transitions.
Iterating post reduction 4 with 461 rules applied. Total rules applied 4733 place count 362 transition count 4127
Performed 1 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 5 with 1 Pre rules applied. Total rules applied 4733 place count 362 transition count 4126
Deduced a syphon composed of 1 places in 1 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 5 with 2 rules applied. Total rules applied 4735 place count 361 transition count 4126
Discarding 6 places :
Symmetric choice reduction at 5 with 6 rule applications. Total rules 4741 place count 355 transition count 4104
Iterating global reduction 5 with 6 rules applied. Total rules applied 4747 place count 355 transition count 4104
Discarding 4 places :
Symmetric choice reduction at 5 with 4 rule applications. Total rules 4751 place count 351 transition count 4088
Iterating global reduction 5 with 4 rules applied. Total rules applied 4755 place count 351 transition count 4088
Performed 5 Post agglomeration using F-continuation condition.Transition count delta: 5
Deduced a syphon composed of 5 places in 1 ms
Reduce places removed 5 places and 0 transitions.
Iterating global reduction 5 with 10 rules applied. Total rules applied 4765 place count 346 transition count 4083
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 5 with 1 rules applied. Total rules applied 4766 place count 346 transition count 4082
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: -13
Deduced a syphon composed of 1 places in 1 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 6 with 2 rules applied. Total rules applied 4768 place count 345 transition count 4095
Drop transitions removed 22 transitions
Redundant transition composition rules discarded 22 transitions
Iterating global reduction 6 with 22 rules applied. Total rules applied 4790 place count 345 transition count 4073
Free-agglomeration rule applied 18 times with reduction of 6 identical transitions.
Iterating global reduction 6 with 18 rules applied. Total rules applied 4808 place count 345 transition count 4049
Reduce places removed 18 places and 0 transitions.
Ensure Unique test removed 55 transitions
Reduce isomorphic transitions removed 55 transitions.
Iterating post reduction 6 with 73 rules applied. Total rules applied 4881 place count 327 transition count 3994
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: -10
Deduced a syphon composed of 1 places in 1 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 7 with 2 rules applied. Total rules applied 4883 place count 326 transition count 4004
Drop transitions removed 84 transitions
Redundant transition composition rules discarded 84 transitions
Iterating global reduction 7 with 84 rules applied. Total rules applied 4967 place count 326 transition count 3920
Free-agglomeration rule applied 10 times with reduction of 1 identical transitions.
Iterating global reduction 7 with 10 rules applied. Total rules applied 4977 place count 326 transition count 3909
Reduce places removed 10 places and 0 transitions.
Ensure Unique test removed 12 transitions
Reduce isomorphic transitions removed 12 transitions.
Iterating post reduction 7 with 22 rules applied. Total rules applied 4999 place count 316 transition count 3897
Drop transitions removed 32 transitions
Redundant transition composition rules discarded 32 transitions
Iterating global reduction 8 with 32 rules applied. Total rules applied 5031 place count 316 transition count 3865
Free-agglomeration rule applied 4 times.
Iterating global reduction 8 with 4 rules applied. Total rules applied 5035 place count 316 transition count 3861
Reduce places removed 4 places and 0 transitions.
Iterating post reduction 8 with 4 rules applied. Total rules applied 5039 place count 312 transition count 3861
Drop transitions removed 13 transitions
Redundant transition composition rules discarded 13 transitions
Iterating global reduction 9 with 13 rules applied. Total rules applied 5052 place count 312 transition count 3848
Free-agglomeration rule applied 1 times.
Iterating global reduction 9 with 1 rules applied. Total rules applied 5053 place count 312 transition count 3847
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 9 with 1 rules applied. Total rules applied 5054 place count 311 transition count 3847
Free-agglomeration rule (complex) applied 6 times with reduction of 11 identical transitions.
Iterating global reduction 10 with 6 rules applied. Total rules applied 5060 place count 311 transition count 3907
Reduce places removed 6 places and 0 transitions.
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 10 with 7 rules applied. Total rules applied 5067 place count 305 transition count 3906
Drop transitions removed 30 transitions
Redundant transition composition rules discarded 30 transitions
Iterating global reduction 11 with 30 rules applied. Total rules applied 5097 place count 305 transition count 3876
Applied a total of 5097 rules in 1470 ms. Remains 305 /1296 variables (removed 991) and now considering 3876/89908 (removed 86032) transitions.
Running SMT prover for 5 properties.
[2023-03-16 21:05:01] [INFO ] Flow matrix only has 3765 transitions (discarded 111 similar events)
// Phase 1: matrix 3765 rows 305 cols
[2023-03-16 21:05:01] [INFO ] Computed 0 place invariants in 19 ms
[2023-03-16 21:05:02] [INFO ] After 752ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:5
[2023-03-16 21:05:03] [INFO ] After 788ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :5
[2023-03-16 21:05:03] [INFO ] State equation strengthened by 16 read => feed constraints.
[2023-03-16 21:05:03] [INFO ] After 340ms SMT Verify possible using 16 Read/Feed constraints in natural domain returned unsat :0 sat :5
[2023-03-16 21:05:04] [INFO ] After 906ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :5
Attempting to minimize the solution found.
Minimization took 331 ms.
[2023-03-16 21:05:04] [INFO ] After 2104ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :5
Knowledge obtained : [(AND (NOT p1) (NOT p0)), (X (NOT (AND p0 (NOT p1)))), (X (NOT (AND (NOT p0) p1))), (X (AND (NOT p0) (NOT p1))), (X (NOT (AND p0 p1))), (X (NOT p1)), true, (X (X (NOT (AND p0 (NOT p1))))), (X (X (NOT (AND (NOT p0) p1)))), (X (X (AND (NOT p0) (NOT p1)))), (X (X (NOT (AND p0 p1)))), (X (X (NOT p1)))]
False Knowledge obtained : []
Knowledge based reduction with 12 factoid took 381 ms. Reduced automaton from 4 states, 10 edges and 2 AP (stutter insensitive) to 4 states, 10 edges and 2 AP (stutter insensitive).
Stuttering acceptance computed with spot in 104 ms :[(NOT p1), (NOT p1), true, (AND p1 p0)]
Stuttering acceptance computed with spot in 120 ms :[(NOT p1), (NOT p1), true, (AND p1 p0)]
[2023-03-16 21:05:05] [INFO ] Flow matrix only has 62309 transitions (discarded 30342 similar events)
// Phase 1: matrix 62309 rows 1343 cols
[2023-03-16 21:05:05] [INFO ] Computed 12 place invariants in 207 ms
Could not prove EG (NOT p1)
Stuttering acceptance computed with spot in 125 ms :[(NOT p1), (NOT p1), true, (AND p1 p0)]
Product exploration explored 100000 steps with 33260 reset in 4454 ms.
Product exploration explored 100000 steps with 33439 reset in 4515 ms.
Built C files in :
/tmp/ltsmin12731765231333335407
[2023-03-16 21:05:30] [INFO ] Too many transitions (92651) to apply POR reductions. Disabling POR matrices.
[2023-03-16 21:05:30] [INFO ] Built C files in 535ms conformant to PINS (ltsmin variant)in folder :/tmp/ltsmin12731765231333335407
Running compilation step : cd /tmp/ltsmin12731765231333335407;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202303021504/bin/limit_time.pl' '3' 'gcc' '-c' '-I/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202303021504/bin/include/' '-I.' '-std=c99' '-fPIC' '-O0' 'model.c'
WARNING : LTS min runner thread failed on error :java.lang.RuntimeException: Compilation or link of executable timed out.java.util.concurrent.TimeoutException: Subprocess running cd /tmp/ltsmin12731765231333335407;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202303021504/bin/limit_time.pl' '3' 'gcc' '-c' '-I/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202303021504/bin/include/' '-I.' '-std=c99' '-fPIC' '-O0' 'model.c' killed by timeout after 3 SECONDS
java.lang.RuntimeException: Compilation or link of executable timed out.java.util.concurrent.TimeoutException: Subprocess running cd /tmp/ltsmin12731765231333335407;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202303021504/bin/limit_time.pl' '3' 'gcc' '-c' '-I/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202303021504/bin/include/' '-I.' '-std=c99' '-fPIC' '-O0' 'model.c' killed by timeout after 3 SECONDS
at fr.lip6.move.gal.application.runner.ltsmin.LTSminRunner$1.run(LTSminRunner.java:92)
at java.base/java.lang.Thread.run(Thread.java:833)
Support contains 4 out of 1343 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 1343/1343 places, 92651/92651 transitions.
Applied a total of 0 rules in 394 ms. Remains 1343 /1343 variables (removed 0) and now considering 92651/92651 (removed 0) transitions.
[2023-03-16 21:05:33] [INFO ] Flow matrix only has 62309 transitions (discarded 30342 similar events)
[2023-03-16 21:05:33] [INFO ] Invariant cache hit.
[2023-03-16 21:05:37] [INFO ] Implicit Places using invariants in 3603 ms returned []
Implicit Place search using SMT only with invariants took 3608 ms to find 0 implicit places.
[2023-03-16 21:05:37] [INFO ] Flow matrix only has 62309 transitions (discarded 30342 similar events)
[2023-03-16 21:05:37] [INFO ] Invariant cache hit.
[2023-03-16 21:06:07] [INFO ] Performed 88215/92651 'is it Dead' test of which 0 returned DEAD in 30 seconds.
[2023-03-16 21:06:09] [INFO ] Dead Transitions using invariants and state equation in 31742 ms found 0 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 35747 ms. Remains : 1343/1343 places, 92651/92651 transitions.
Built C files in :
/tmp/ltsmin8516944968816282528
[2023-03-16 21:06:09] [INFO ] Too many transitions (92651) to apply POR reductions. Disabling POR matrices.
[2023-03-16 21:06:09] [INFO ] Built C files in 527ms conformant to PINS (ltsmin variant)in folder :/tmp/ltsmin8516944968816282528
Running compilation step : cd /tmp/ltsmin8516944968816282528;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202303021504/bin/limit_time.pl' '3' 'gcc' '-c' '-I/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202303021504/bin/include/' '-I.' '-std=c99' '-fPIC' '-O0' 'model.c'
WARNING : LTS min runner thread failed on error :java.lang.RuntimeException: Compilation or link of executable timed out.java.util.concurrent.TimeoutException: Subprocess running cd /tmp/ltsmin8516944968816282528;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202303021504/bin/limit_time.pl' '3' 'gcc' '-c' '-I/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202303021504/bin/include/' '-I.' '-std=c99' '-fPIC' '-O0' 'model.c' killed by timeout after 3 SECONDS
java.lang.RuntimeException: Compilation or link of executable timed out.java.util.concurrent.TimeoutException: Subprocess running cd /tmp/ltsmin8516944968816282528;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202303021504/bin/limit_time.pl' '3' 'gcc' '-c' '-I/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202303021504/bin/include/' '-I.' '-std=c99' '-fPIC' '-O0' 'model.c' killed by timeout after 3 SECONDS
at fr.lip6.move.gal.application.runner.ltsmin.LTSminRunner$1.run(LTSminRunner.java:92)
at java.base/java.lang.Thread.run(Thread.java:833)
[2023-03-16 21:06:16] [INFO ] Flatten gal took : 2116 ms
[2023-03-16 21:06:18] [INFO ] Flatten gal took : 2369 ms
[2023-03-16 21:06:19] [INFO ] Time to serialize gal into /tmp/LTL7850032331441420373.gal : 302 ms
[2023-03-16 21:06:19] [INFO ] Time to serialize properties into /tmp/LTL7215594230933583349.prop : 0 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202303021504/bin/its-ltl-linux64' '--gc-threshold' '2000000' '-i' '/tmp/LTL7850032331441420373.gal' '-t' 'CGAL' '-hoa' '/tmp/aut14114764386741388366.hoa' '-atoms' '/tmp/LTL7215594230933583349.prop' '-c' '-stutter-deadlock' '--gen-order' 'FOLLOW'

its-ltl command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202303021504/bin/its-ltl-linux64 --gc-threshold 2000000 -i /tmp/L...318
Loading property file /tmp/LTL7215594230933583349.prop.
Loaded 2 atomic propositions.
Checking formula 0 provided in automaton : /tmp/aut14114764386741388366.hoa
Detected timeout of ITS tools.
[2023-03-16 21:06:38] [INFO ] Flatten gal took : 2302 ms
[2023-03-16 21:06:40] [INFO ] Flatten gal took : 2097 ms
[2023-03-16 21:06:40] [INFO ] Time to serialize gal into /tmp/LTL18393819162595341487.gal : 296 ms
[2023-03-16 21:06:40] [INFO ] Time to serialize properties into /tmp/LTL16249760907569616730.ltl : 0 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202303021504/bin/its-ltl-linux64' '--gc-threshold' '2000000' '-i' '/tmp/LTL18393819162595341487.gal' '-t' 'CGAL' '-LTL' '/tmp/LTL16249760907569616730.ltl' '-c' '-stutter-deadlock' '--gen-order' 'FOLLOW'

its-ltl command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202303021504/bin/its-ltl-linux64 --gc-threshold 2000000 -i /tmp/L...277
Read 1 LTL properties
Checking formula 0 : !(((G(!("((ps1290==1)&&(ps988==1))")))U(X(G("((ps1233==1)&&(ps1256==1))")))))
Formula 0 simplified : F"((ps1290==1)&&(ps988==1))" R XF!"((ps1233==1)&&(ps1256==1))"
Detected timeout of ITS tools.
[2023-03-16 21:06:58] [INFO ] Flatten gal took : 2180 ms
[2023-03-16 21:06:58] [INFO ] Applying decomposition
[2023-03-16 21:07:00] [INFO ] Flatten gal took : 2153 ms
Converted graph to binary with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202303021504/bin/convert-linux64' '-i' '/tmp/graph4230366088699410849.txt' '-o' '/tmp/graph4230366088699410849.bin' '-w' '/tmp/graph4230366088699410849.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202303021504/bin/louvain-linux64' '/tmp/graph4230366088699410849.bin' '-l' '-1' '-v' '-w' '/tmp/graph4230366088699410849.weights' '-q' '0' '-e' '0.001'
[2023-03-16 21:07:05] [INFO ] Decomposing Gal with order
[2023-03-16 21:07:05] [INFO ] Rewriting arrays to variables to allow decomposition.
[2023-03-16 21:07:11] [INFO ] Removed a total of 199214 redundant transitions.
[2023-03-16 21:07:12] [INFO ] Flatten gal took : 5291 ms
[2023-03-16 21:07:17] [INFO ] Fuse similar labels procedure discarded/fused a total of 3369 labels/synchronizations in 3791 ms.
[2023-03-16 21:07:17] [INFO ] Time to serialize gal into /tmp/LTL9108573511052904403.gal : 121 ms
[2023-03-16 21:07:17] [INFO ] Time to serialize properties into /tmp/LTL3038628266290178015.ltl : 0 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202303021504/bin/its-ltl-linux64' '--gc-threshold' '2000000' '-i' '/tmp/LTL9108573511052904403.gal' '-t' 'CGAL' '-LTL' '/tmp/LTL3038628266290178015.ltl' '-c' '-stutter-deadlock'

its-ltl command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202303021504/bin/its-ltl-linux64 --gc-threshold 2000000 -i /tmp/L...254
Read 1 LTL properties
Checking formula 0 : !(((G(!("((i7.u16.ps1290==1)&&(i6.u113.ps988==1))")))U(X(G("((i7.u99.ps1233==1)&&(i7.u36.ps1256==1))")))))
Formula 0 simplified : F"((i7.u16.ps1290==1)&&(i6.u113.ps988==1))" R XF!"((i7.u99.ps1233==1)&&(i7.u36.ps1256==1))"
Detected timeout of ITS tools.
Built C files in :
/tmp/ltsmin12951156655036900496
[2023-03-16 21:07:33] [INFO ] Built C files in 568ms conformant to PINS (ltsmin variant)in folder :/tmp/ltsmin12951156655036900496
Running compilation step : cd /tmp/ltsmin12951156655036900496;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202303021504/bin/limit_time.pl' '3' 'gcc' '-c' '-I/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202303021504/bin/include/' '-I.' '-std=c99' '-fPIC' '-O0' 'model.c'
WARNING : LTS min runner thread failed on error :java.lang.RuntimeException: Compilation or link of executable timed out.java.util.concurrent.TimeoutException: Subprocess running cd /tmp/ltsmin12951156655036900496;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202303021504/bin/limit_time.pl' '3' 'gcc' '-c' '-I/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202303021504/bin/include/' '-I.' '-std=c99' '-fPIC' '-O0' 'model.c' killed by timeout after 3 SECONDS
java.lang.RuntimeException: Compilation or link of executable timed out.java.util.concurrent.TimeoutException: Subprocess running cd /tmp/ltsmin12951156655036900496;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202303021504/bin/limit_time.pl' '3' 'gcc' '-c' '-I/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202303021504/bin/include/' '-I.' '-std=c99' '-fPIC' '-O0' 'model.c' killed by timeout after 3 SECONDS
at fr.lip6.move.gal.application.runner.ltsmin.LTSminRunner$1.run(LTSminRunner.java:92)
at java.base/java.lang.Thread.run(Thread.java:833)
Treatment of property RERS2020-PT-pb107-LTLFireability-10 finished in 459342 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202303021504/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(F(G(p0)))'
Support contains 2 out of 1369 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 1369/1369 places, 93216/93216 transitions.
Reduce places removed 1 places and 1 transitions.
Drop transitions removed 1 transitions
Trivial Post-agglo rules discarded 1 transitions
Performed 1 trivial Post agglomeration. Transition count delta: 1
Iterating post reduction 0 with 1 rules applied. Total rules applied 1 place count 1368 transition count 93214
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 1 with 1 rules applied. Total rules applied 2 place count 1367 transition count 93214
Performed 2 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 2 Pre rules applied. Total rules applied 2 place count 1367 transition count 93212
Deduced a syphon composed of 2 places in 45 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 2 with 4 rules applied. Total rules applied 6 place count 1365 transition count 93212
Performed 17 Post agglomeration using F-continuation condition with reduction of 3 identical transitions.
Deduced a syphon composed of 17 places in 46 ms
Reduce places removed 17 places and 0 transitions.
Iterating global reduction 2 with 34 rules applied. Total rules applied 40 place count 1348 transition count 93192
Ensure Unique test removed 439 transitions
Reduce isomorphic transitions removed 439 transitions.
Iterating post reduction 2 with 439 rules applied. Total rules applied 479 place count 1348 transition count 92753
Performed 4 Post agglomeration using F-continuation condition.Transition count delta: 4
Deduced a syphon composed of 4 places in 47 ms
Reduce places removed 4 places and 0 transitions.
Iterating global reduction 3 with 8 rules applied. Total rules applied 487 place count 1344 transition count 92749
Ensure Unique test removed 96 transitions
Reduce isomorphic transitions removed 96 transitions.
Iterating post reduction 3 with 96 rules applied. Total rules applied 583 place count 1344 transition count 92653
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: -1
Deduced a syphon composed of 1 places in 47 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 4 with 2 rules applied. Total rules applied 585 place count 1343 transition count 92654
Ensure Unique test removed 3 transitions
Reduce isomorphic transitions removed 3 transitions.
Iterating post reduction 4 with 3 rules applied. Total rules applied 588 place count 1343 transition count 92651
Applied a total of 588 rules in 2021 ms. Remains 1343 /1369 variables (removed 26) and now considering 92651/93216 (removed 565) transitions.
[2023-03-16 21:07:38] [INFO ] Flow matrix only has 62309 transitions (discarded 30342 similar events)
[2023-03-16 21:07:38] [INFO ] Invariant cache hit.
[2023-03-16 21:07:41] [INFO ] Implicit Places using invariants in 3296 ms returned []
Implicit Place search using SMT only with invariants took 3297 ms to find 0 implicit places.
[2023-03-16 21:07:41] [INFO ] Flow matrix only has 62309 transitions (discarded 30342 similar events)
[2023-03-16 21:07:41] [INFO ] Invariant cache hit.
[2023-03-16 21:08:11] [INFO ] Performed 92115/92651 'is it Dead' test of which 0 returned DEAD in 30 seconds.
[2023-03-16 21:08:11] [INFO ] Dead Transitions using invariants and state equation in 30377 ms found 0 transitions.
Starting structural reductions in SI_LTL mode, iteration 1 : 1343/1369 places, 92651/93216 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 35698 ms. Remains : 1343/1369 places, 92651/93216 transitions.
Stuttering acceptance computed with spot in 43 ms :[(NOT p0)]
Running random walk in product with property : RERS2020-PT-pb107-LTLFireability-11 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 (NEQ s232 1) (NEQ s368 1))], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, complete, deterministic, no-univ-branch, unambiguous, semi-deterministic, stutter-invariant], stateDesc=[null][true]]
Product exploration explored 100000 steps with 0 reset in 5320 ms.
Product exploration explored 100000 steps with 0 reset in 5660 ms.
Computed a total of 257 stabilizing places and 30632 stable transitions
Computed a total of 257 stabilizing places and 30632 stable transitions
Knowledge obtained : [p0, (X p0), (X (X p0))]
False Knowledge obtained : []
Knowledge based reduction with 3 factoid took 130 ms. Reduced automaton from 1 states, 2 edges and 1 AP (stutter insensitive) to 1 states, 2 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 33 ms :[(NOT p0)]
Incomplete random walk after 10000 steps, including 2 resets, run finished after 642 ms. (steps per millisecond=15 ) properties (out of 1) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 81 ms. (steps per millisecond=123 ) properties (out of 1) seen :0
Interrupted probabilistic random walk after 6511 steps, run timeout after 3003 ms. (steps per millisecond=2 ) properties seen :{}
Probabilistic random walk after 6511 steps, saw 4853 distinct states, run finished after 3003 ms. (steps per millisecond=2 ) properties seen :0
Running SMT prover for 1 properties.
[2023-03-16 21:08:27] [INFO ] Flow matrix only has 62309 transitions (discarded 30342 similar events)
[2023-03-16 21:08:27] [INFO ] Invariant cache hit.
[2023-03-16 21:08:27] [INFO ] [Real]Absence check using 12 positive place invariants in 9 ms returned sat
[2023-03-16 21:08:47] [INFO ] After 19643ms SMT Verify possible using state equation in real domain returned unsat :0 sat :1
[2023-03-16 21:08:47] [INFO ] State equation strengthened by 3673 read => feed constraints.
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:642)
at fr.lip6.move.gal.structural.smt.DeadlockTester.testUnreachableWithSMTIncremental(DeadlockTester.java:339)
at fr.lip6.move.gal.structural.smt.DeadlockTester.testUnreachableWithSMT(DeadlockTester.java:223)
at fr.lip6.move.gal.application.solver.ReachabilitySolver.applyReductions(ReachabilitySolver.java:95)
at fr.lip6.move.gal.application.solver.ltl.LTLPropertySolver.addInvarianceKnowledge(LTLPropertySolver.java:701)
at fr.lip6.move.gal.application.solver.ltl.LTLPropertySolver.applyKnowledgeBasedReductions(LTLPropertySolver.java:568)
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)
[2023-03-16 21:08:52] [WARNING] SMT solver failed with error :SMT solver raised an error when submitting script.... while checking expressions.
[2023-03-16 21:08:52] [INFO ] After 25033ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0
Parikh walk visited 0 properties in 18 ms.
Support contains 2 out of 1343 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 1343/1343 places, 92651/92651 transitions.
Drop transitions removed 2819 transitions
Reduce isomorphic transitions removed 2819 transitions.
Iterating post reduction 0 with 2819 rules applied. Total rules applied 2819 place count 1343 transition count 89832
Free-agglomeration rule applied 32 times.
Iterating global reduction 1 with 32 rules applied. Total rules applied 2851 place count 1343 transition count 89800
Reduce places removed 32 places and 0 transitions.
Drop transitions removed 44 transitions
Ensure Unique test removed 555 transitions
Reduce isomorphic transitions removed 599 transitions.
Iterating post reduction 1 with 631 rules applied. Total rules applied 3482 place count 1311 transition count 89201
Free-agglomeration rule (complex) applied 15 times with reduction of 16 identical transitions.
Iterating global reduction 2 with 15 rules applied. Total rules applied 3497 place count 1311 transition count 89934
Reduce places removed 15 places and 0 transitions.
Drop transitions removed 5 transitions
Ensure Unique test removed 21 transitions
Reduce isomorphic transitions removed 26 transitions.
Iterating post reduction 2 with 41 rules applied. Total rules applied 3538 place count 1296 transition count 89908
Applied a total of 3538 rules in 1773 ms. Remains 1296 /1343 variables (removed 47) and now considering 89908/92651 (removed 2743) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 1775 ms. Remains : 1296/1343 places, 89908/92651 transitions.
Incomplete random walk after 10000 steps, including 3 resets, run finished after 517 ms. (steps per millisecond=19 ) properties (out of 1) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 63 ms. (steps per millisecond=158 ) properties (out of 1) seen :0
Interrupted probabilistic random walk after 9593 steps, run timeout after 3001 ms. (steps per millisecond=3 ) properties seen :{}
Probabilistic random walk after 9593 steps, saw 7628 distinct states, run finished after 3002 ms. (steps per millisecond=3 ) properties seen :0
Running SMT prover for 1 properties.
[2023-03-16 21:08:58] [INFO ] Flow matrix only has 62424 transitions (discarded 27484 similar events)
// Phase 1: matrix 62424 rows 1296 cols
[2023-03-16 21:08:58] [INFO ] Computed 12 place invariants in 182 ms
[2023-03-16 21:08:58] [INFO ] [Real]Absence check using 12 positive place invariants in 10 ms returned sat
[2023-03-16 21:09:18] [INFO ] After 19948ms SMT Verify possible using state equation in real domain returned unsat :0 sat :1
[2023-03-16 21:09:18] [INFO ] State equation strengthened by 3688 read => feed constraints.
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:642)
at fr.lip6.move.gal.structural.smt.DeadlockTester.testUnreachableWithSMTIncremental(DeadlockTester.java:339)
at fr.lip6.move.gal.structural.smt.DeadlockTester.testUnreachableWithSMT(DeadlockTester.java:223)
at fr.lip6.move.gal.application.solver.ReachabilitySolver.applyReductions(ReachabilitySolver.java:95)
at fr.lip6.move.gal.application.solver.ltl.LTLPropertySolver.addInvarianceKnowledge(LTLPropertySolver.java:701)
at fr.lip6.move.gal.application.solver.ltl.LTLPropertySolver.applyKnowledgeBasedReductions(LTLPropertySolver.java:568)
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)
[2023-03-16 21:09:23] [WARNING] SMT solver failed with error :SMT solver raised an error when submitting script.... while checking expressions.
[2023-03-16 21:09:23] [INFO ] After 25031ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0
Parikh walk visited 0 properties in 12 ms.
Support contains 2 out of 1296 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 1296/1296 places, 89908/89908 transitions.
Applied a total of 0 rules in 390 ms. Remains 1296 /1296 variables (removed 0) and now considering 89908/89908 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 391 ms. Remains : 1296/1296 places, 89908/89908 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 1296/1296 places, 89908/89908 transitions.
Applied a total of 0 rules in 380 ms. Remains 1296 /1296 variables (removed 0) and now considering 89908/89908 (removed 0) transitions.
[2023-03-16 21:09:24] [INFO ] Flow matrix only has 62424 transitions (discarded 27484 similar events)
[2023-03-16 21:09:24] [INFO ] Invariant cache hit.
[2023-03-16 21:09:27] [INFO ] Implicit Places using invariants in 3372 ms returned []
Implicit Place search using SMT only with invariants took 3379 ms to find 0 implicit places.
[2023-03-16 21:09:27] [INFO ] Flow matrix only has 62424 transitions (discarded 27484 similar events)
[2023-03-16 21:09:27] [INFO ] Invariant cache hit.
[2023-03-16 21:09:56] [INFO ] Dead Transitions using invariants and state equation in 29294 ms found 0 transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 33060 ms. Remains : 1296/1296 places, 89908/89908 transitions.
Graph (trivial) has 31571 edges and 1296 vertex of which 1032 / 1296 are part of one of the 152 SCC in 4 ms
Free SCC test removed 880 places
Drop transitions removed 32735 transitions
Ensure Unique test removed 48492 transitions
Reduce isomorphic transitions removed 81227 transitions.
Graph (complete) has 8390 edges and 416 vertex of which 401 are kept as prefixes of interest. Removing 15 places using SCC suffix rule.4 ms
Discarding 15 places :
Also discarding 2 output transitions
Drop transitions removed 2 transitions
Drop transitions removed 23 transitions
Ensure Unique test removed 19 transitions
Reduce isomorphic transitions removed 42 transitions.
Iterating post reduction 0 with 42 rules applied. Total rules applied 44 place count 401 transition count 8637
Performed 1 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 1 with 1 Pre rules applied. Total rules applied 44 place count 401 transition count 8636
Deduced a syphon composed of 1 places in 1 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 1 with 2 rules applied. Total rules applied 46 place count 400 transition count 8636
Discarding 3 places :
Symmetric choice reduction at 1 with 3 rule applications. Total rules 49 place count 397 transition count 8624
Iterating global reduction 1 with 3 rules applied. Total rules applied 52 place count 397 transition count 8624
Ensure Unique test removed 6 transitions
Reduce isomorphic transitions removed 6 transitions.
Iterating post reduction 1 with 6 rules applied. Total rules applied 58 place count 397 transition count 8618
Performed 4 Post agglomeration using F-continuation condition.Transition count delta: 4
Deduced a syphon composed of 4 places in 2 ms
Reduce places removed 4 places and 0 transitions.
Iterating global reduction 2 with 8 rules applied. Total rules applied 66 place count 393 transition count 8614
Ensure Unique test removed 73 transitions
Reduce isomorphic transitions removed 73 transitions.
Iterating post reduction 2 with 73 rules applied. Total rules applied 139 place count 393 transition count 8541
Drop transitions removed 3942 transitions
Redundant transition composition rules discarded 3942 transitions
Iterating global reduction 3 with 3942 rules applied. Total rules applied 4081 place count 393 transition count 4599
Reduce places removed 3 places and 0 transitions.
Drop transitions removed 51 transitions
Reduce isomorphic transitions removed 51 transitions.
Graph (complete) has 5272 edges and 390 vertex of which 357 are kept as prefixes of interest. Removing 33 places using SCC suffix rule.2 ms
Discarding 33 places :
Also discarding 7 output transitions
Drop transitions removed 7 transitions
Iterating post reduction 3 with 55 rules applied. Total rules applied 4136 place count 357 transition count 4541
Drop transitions removed 451 transitions
Ensure Unique test removed 12 transitions
Reduce isomorphic transitions removed 463 transitions.
Iterating post reduction 4 with 463 rules applied. Total rules applied 4599 place count 357 transition count 4078
Performed 1 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 5 with 1 Pre rules applied. Total rules applied 4599 place count 357 transition count 4077
Deduced a syphon composed of 1 places in 1 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 5 with 2 rules applied. Total rules applied 4601 place count 356 transition count 4077
Discarding 6 places :
Symmetric choice reduction at 5 with 6 rule applications. Total rules 4607 place count 350 transition count 4055
Iterating global reduction 5 with 6 rules applied. Total rules applied 4613 place count 350 transition count 4055
Discarding 4 places :
Symmetric choice reduction at 5 with 4 rule applications. Total rules 4617 place count 346 transition count 4039
Iterating global reduction 5 with 4 rules applied. Total rules applied 4621 place count 346 transition count 4039
Performed 5 Post agglomeration using F-continuation condition.Transition count delta: 5
Deduced a syphon composed of 5 places in 1 ms
Reduce places removed 5 places and 0 transitions.
Iterating global reduction 5 with 10 rules applied. Total rules applied 4631 place count 341 transition count 4034
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 5 with 1 rules applied. Total rules applied 4632 place count 341 transition count 4033
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: -13
Deduced a syphon composed of 1 places in 1 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 6 with 2 rules applied. Total rules applied 4634 place count 340 transition count 4046
Drop transitions removed 23 transitions
Redundant transition composition rules discarded 23 transitions
Iterating global reduction 6 with 23 rules applied. Total rules applied 4657 place count 340 transition count 4023
Free-agglomeration rule applied 20 times with reduction of 7 identical transitions.
Iterating global reduction 6 with 20 rules applied. Total rules applied 4677 place count 340 transition count 3996
Reduce places removed 20 places and 0 transitions.
Ensure Unique test removed 65 transitions
Reduce isomorphic transitions removed 65 transitions.
Iterating post reduction 6 with 85 rules applied. Total rules applied 4762 place count 320 transition count 3931
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: -9
Deduced a syphon composed of 1 places in 1 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 7 with 2 rules applied. Total rules applied 4764 place count 319 transition count 3940
Drop transitions removed 94 transitions
Redundant transition composition rules discarded 94 transitions
Iterating global reduction 7 with 94 rules applied. Total rules applied 4858 place count 319 transition count 3846
Free-agglomeration rule applied 11 times with reduction of 2 identical transitions.
Iterating global reduction 7 with 11 rules applied. Total rules applied 4869 place count 319 transition count 3833
Reduce places removed 11 places and 0 transitions.
Ensure Unique test removed 10 transitions
Reduce isomorphic transitions removed 10 transitions.
Iterating post reduction 7 with 21 rules applied. Total rules applied 4890 place count 308 transition count 3823
Drop transitions removed 29 transitions
Redundant transition composition rules discarded 29 transitions
Iterating global reduction 8 with 29 rules applied. Total rules applied 4919 place count 308 transition count 3794
Free-agglomeration rule applied 4 times.
Iterating global reduction 8 with 4 rules applied. Total rules applied 4923 place count 308 transition count 3790
Reduce places removed 4 places and 0 transitions.
Iterating post reduction 8 with 4 rules applied. Total rules applied 4927 place count 304 transition count 3790
Drop transitions removed 11 transitions
Redundant transition composition rules discarded 11 transitions
Iterating global reduction 9 with 11 rules applied. Total rules applied 4938 place count 304 transition count 3779
Free-agglomeration rule applied 1 times.
Iterating global reduction 9 with 1 rules applied. Total rules applied 4939 place count 304 transition count 3778
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 9 with 1 rules applied. Total rules applied 4940 place count 303 transition count 3778
Free-agglomeration rule (complex) applied 7 times with reduction of 11 identical transitions.
Iterating global reduction 10 with 7 rules applied. Total rules applied 4947 place count 303 transition count 3851
Reduce places removed 7 places and 0 transitions.
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 10 with 8 rules applied. Total rules applied 4955 place count 296 transition count 3850
Drop transitions removed 41 transitions
Redundant transition composition rules discarded 41 transitions
Iterating global reduction 11 with 41 rules applied. Total rules applied 4996 place count 296 transition count 3809
Applied a total of 4996 rules in 1461 ms. Remains 296 /1296 variables (removed 1000) and now considering 3809/89908 (removed 86099) transitions.
Running SMT prover for 1 properties.
[2023-03-16 21:09:58] [INFO ] Flow matrix only has 3693 transitions (discarded 116 similar events)
// Phase 1: matrix 3693 rows 296 cols
[2023-03-16 21:09:58] [INFO ] Computed 0 place invariants in 26 ms
[2023-03-16 21:09:58] [INFO ] After 575ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
[2023-03-16 21:09:59] [INFO ] After 509ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
[2023-03-16 21:09:59] [INFO ] State equation strengthened by 16 read => feed constraints.
[2023-03-16 21:09:59] [INFO ] After 88ms SMT Verify possible using 16 Read/Feed constraints in natural domain returned unsat :0 sat :1
[2023-03-16 21:09:59] [INFO ] After 206ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
Attempting to minimize the solution found.
Minimization took 75 ms.
[2023-03-16 21:09:59] [INFO ] After 846ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
Knowledge obtained : [p0, (X p0), (X (X p0))]
False Knowledge obtained : []
Knowledge based reduction with 3 factoid took 96 ms. Reduced automaton from 1 states, 2 edges and 1 AP (stutter insensitive) to 1 states, 2 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 37 ms :[(NOT p0)]
Stuttering acceptance computed with spot in 30 ms :[(NOT p0)]
Support contains 2 out of 1343 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 1343/1343 places, 92651/92651 transitions.
Applied a total of 0 rules in 392 ms. Remains 1343 /1343 variables (removed 0) and now considering 92651/92651 (removed 0) transitions.
[2023-03-16 21:10:00] [INFO ] Flow matrix only has 62309 transitions (discarded 30342 similar events)
// Phase 1: matrix 62309 rows 1343 cols
[2023-03-16 21:10:00] [INFO ] Computed 12 place invariants in 238 ms
[2023-03-16 21:10:04] [INFO ] Implicit Places using invariants in 3763 ms returned []
Implicit Place search using SMT only with invariants took 3764 ms to find 0 implicit places.
[2023-03-16 21:10:04] [INFO ] Flow matrix only has 62309 transitions (discarded 30342 similar events)
[2023-03-16 21:10:04] [INFO ] Invariant cache hit.
[2023-03-16 21:10:34] [INFO ] Performed 91382/92651 'is it Dead' test of which 0 returned DEAD in 30 seconds.
[2023-03-16 21:10:34] [INFO ] Dead Transitions using invariants and state equation in 30635 ms found 0 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 34794 ms. Remains : 1343/1343 places, 92651/92651 transitions.
Computed a total of 257 stabilizing places and 30632 stable transitions
Computed a total of 257 stabilizing places and 30632 stable transitions
Knowledge obtained : [p0, (X p0), (X (X p0))]
False Knowledge obtained : []
Knowledge based reduction with 3 factoid took 115 ms. Reduced automaton from 1 states, 2 edges and 1 AP (stutter insensitive) to 1 states, 2 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 32 ms :[(NOT p0)]
Incomplete random walk after 10000 steps, including 4 resets, run finished after 527 ms. (steps per millisecond=18 ) properties (out of 1) seen :0
Incomplete Best-First random walk after 10001 steps, including 3 resets, run finished after 66 ms. (steps per millisecond=151 ) properties (out of 1) seen :0
Interrupted probabilistic random walk after 8622 steps, run timeout after 3002 ms. (steps per millisecond=2 ) properties seen :{}
Probabilistic random walk after 8622 steps, saw 6090 distinct states, run finished after 3002 ms. (steps per millisecond=2 ) properties seen :0
Running SMT prover for 1 properties.
[2023-03-16 21:10:39] [INFO ] Flow matrix only has 62309 transitions (discarded 30342 similar events)
[2023-03-16 21:10:39] [INFO ] Invariant cache hit.
[2023-03-16 21:10:39] [INFO ] [Real]Absence check using 12 positive place invariants in 12 ms returned sat
[2023-03-16 21:10:58] [INFO ] After 19452ms SMT Verify possible using state equation in real domain returned unsat :0 sat :1
[2023-03-16 21:10:59] [INFO ] State equation strengthened by 3673 read => feed constraints.
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:642)
at fr.lip6.move.gal.structural.smt.DeadlockTester.testUnreachableWithSMTIncremental(DeadlockTester.java:339)
at fr.lip6.move.gal.structural.smt.DeadlockTester.testUnreachableWithSMT(DeadlockTester.java:223)
at fr.lip6.move.gal.application.solver.ReachabilitySolver.applyReductions(ReachabilitySolver.java:95)
at fr.lip6.move.gal.application.solver.ltl.LTLPropertySolver.addInvarianceKnowledge(LTLPropertySolver.java:701)
at fr.lip6.move.gal.application.solver.ltl.LTLPropertySolver.applyKnowledgeBasedReductions(LTLPropertySolver.java:568)
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)
[2023-03-16 21:11:04] [WARNING] SMT solver failed with error :SMT solver raised an error when submitting script.... while checking expressions.
[2023-03-16 21:11:04] [INFO ] After 25022ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0
Parikh walk visited 0 properties in 18 ms.
Support contains 2 out of 1343 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 1343/1343 places, 92651/92651 transitions.
Drop transitions removed 2819 transitions
Reduce isomorphic transitions removed 2819 transitions.
Iterating post reduction 0 with 2819 rules applied. Total rules applied 2819 place count 1343 transition count 89832
Free-agglomeration rule applied 32 times.
Iterating global reduction 1 with 32 rules applied. Total rules applied 2851 place count 1343 transition count 89800
Reduce places removed 32 places and 0 transitions.
Drop transitions removed 44 transitions
Ensure Unique test removed 555 transitions
Reduce isomorphic transitions removed 599 transitions.
Iterating post reduction 1 with 631 rules applied. Total rules applied 3482 place count 1311 transition count 89201
Free-agglomeration rule (complex) applied 15 times with reduction of 16 identical transitions.
Iterating global reduction 2 with 15 rules applied. Total rules applied 3497 place count 1311 transition count 89934
Reduce places removed 15 places and 0 transitions.
Drop transitions removed 5 transitions
Ensure Unique test removed 21 transitions
Reduce isomorphic transitions removed 26 transitions.
Iterating post reduction 2 with 41 rules applied. Total rules applied 3538 place count 1296 transition count 89908
Applied a total of 3538 rules in 2253 ms. Remains 1296 /1343 variables (removed 47) and now considering 89908/92651 (removed 2743) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 2256 ms. Remains : 1296/1343 places, 89908/92651 transitions.
Incomplete random walk after 10000 steps, including 2 resets, run finished after 621 ms. (steps per millisecond=16 ) properties (out of 1) seen :0
Incomplete Best-First random walk after 10000 steps, including 2 resets, run finished after 68 ms. (steps per millisecond=147 ) properties (out of 1) seen :0
Interrupted probabilistic random walk after 8954 steps, run timeout after 3001 ms. (steps per millisecond=2 ) properties seen :{}
Probabilistic random walk after 8954 steps, saw 7068 distinct states, run finished after 3001 ms. (steps per millisecond=2 ) properties seen :0
Running SMT prover for 1 properties.
[2023-03-16 21:11:10] [INFO ] Flow matrix only has 62424 transitions (discarded 27484 similar events)
// Phase 1: matrix 62424 rows 1296 cols
[2023-03-16 21:11:10] [INFO ] Computed 12 place invariants in 191 ms
[2023-03-16 21:11:10] [INFO ] [Real]Absence check using 12 positive place invariants in 8 ms returned sat
[2023-03-16 21:11:30] [INFO ] After 19666ms SMT Verify possible using state equation in real domain returned unsat :0 sat :1
[2023-03-16 21:11:30] [INFO ] State equation strengthened by 3688 read => feed constraints.
[2023-03-16 21:11:35] [INFO ] After 4766ms SMT Verify possible using 3688 Read/Feed constraints in real domain returned unsat :0 sat :0
[2023-03-16 21:11:35] [INFO ] After 25034ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0
Parikh walk visited 0 properties in 19 ms.
Support contains 2 out of 1296 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 1296/1296 places, 89908/89908 transitions.
Applied a total of 0 rules in 344 ms. Remains 1296 /1296 variables (removed 0) and now considering 89908/89908 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 344 ms. Remains : 1296/1296 places, 89908/89908 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 1296/1296 places, 89908/89908 transitions.
Applied a total of 0 rules in 337 ms. Remains 1296 /1296 variables (removed 0) and now considering 89908/89908 (removed 0) transitions.
[2023-03-16 21:11:36] [INFO ] Flow matrix only has 62424 transitions (discarded 27484 similar events)
[2023-03-16 21:11:36] [INFO ] Invariant cache hit.
[2023-03-16 21:11:39] [INFO ] Implicit Places using invariants in 3583 ms returned []
Implicit Place search using SMT only with invariants took 3584 ms to find 0 implicit places.
[2023-03-16 21:11:39] [INFO ] Flow matrix only has 62424 transitions (discarded 27484 similar events)
[2023-03-16 21:11:39] [INFO ] Invariant cache hit.
[2023-03-16 21:12:09] [INFO ] Dead Transitions using invariants and state equation in 29643 ms found 0 transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 33571 ms. Remains : 1296/1296 places, 89908/89908 transitions.
Graph (trivial) has 31571 edges and 1296 vertex of which 1032 / 1296 are part of one of the 152 SCC in 4 ms
Free SCC test removed 880 places
Drop transitions removed 32735 transitions
Ensure Unique test removed 48492 transitions
Reduce isomorphic transitions removed 81227 transitions.
Graph (complete) has 8390 edges and 416 vertex of which 401 are kept as prefixes of interest. Removing 15 places using SCC suffix rule.3 ms
Discarding 15 places :
Also discarding 2 output transitions
Drop transitions removed 2 transitions
Drop transitions removed 23 transitions
Ensure Unique test removed 19 transitions
Reduce isomorphic transitions removed 42 transitions.
Iterating post reduction 0 with 42 rules applied. Total rules applied 44 place count 401 transition count 8637
Performed 1 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 1 with 1 Pre rules applied. Total rules applied 44 place count 401 transition count 8636
Deduced a syphon composed of 1 places in 2 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 1 with 2 rules applied. Total rules applied 46 place count 400 transition count 8636
Discarding 3 places :
Symmetric choice reduction at 1 with 3 rule applications. Total rules 49 place count 397 transition count 8624
Iterating global reduction 1 with 3 rules applied. Total rules applied 52 place count 397 transition count 8624
Ensure Unique test removed 6 transitions
Reduce isomorphic transitions removed 6 transitions.
Iterating post reduction 1 with 6 rules applied. Total rules applied 58 place count 397 transition count 8618
Performed 4 Post agglomeration using F-continuation condition.Transition count delta: 4
Deduced a syphon composed of 4 places in 2 ms
Reduce places removed 4 places and 0 transitions.
Iterating global reduction 2 with 8 rules applied. Total rules applied 66 place count 393 transition count 8614
Ensure Unique test removed 73 transitions
Reduce isomorphic transitions removed 73 transitions.
Iterating post reduction 2 with 73 rules applied. Total rules applied 139 place count 393 transition count 8541
Drop transitions removed 3942 transitions
Redundant transition composition rules discarded 3942 transitions
Iterating global reduction 3 with 3942 rules applied. Total rules applied 4081 place count 393 transition count 4599
Reduce places removed 3 places and 0 transitions.
Drop transitions removed 51 transitions
Reduce isomorphic transitions removed 51 transitions.
Graph (complete) has 5272 edges and 390 vertex of which 357 are kept as prefixes of interest. Removing 33 places using SCC suffix rule.2 ms
Discarding 33 places :
Also discarding 7 output transitions
Drop transitions removed 7 transitions
Iterating post reduction 3 with 55 rules applied. Total rules applied 4136 place count 357 transition count 4541
Drop transitions removed 451 transitions
Ensure Unique test removed 12 transitions
Reduce isomorphic transitions removed 463 transitions.
Iterating post reduction 4 with 463 rules applied. Total rules applied 4599 place count 357 transition count 4078
Performed 1 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 5 with 1 Pre rules applied. Total rules applied 4599 place count 357 transition count 4077
Deduced a syphon composed of 1 places in 1 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 5 with 2 rules applied. Total rules applied 4601 place count 356 transition count 4077
Discarding 6 places :
Symmetric choice reduction at 5 with 6 rule applications. Total rules 4607 place count 350 transition count 4055
Iterating global reduction 5 with 6 rules applied. Total rules applied 4613 place count 350 transition count 4055
Discarding 4 places :
Symmetric choice reduction at 5 with 4 rule applications. Total rules 4617 place count 346 transition count 4039
Iterating global reduction 5 with 4 rules applied. Total rules applied 4621 place count 346 transition count 4039
Performed 5 Post agglomeration using F-continuation condition.Transition count delta: 5
Deduced a syphon composed of 5 places in 1 ms
Reduce places removed 5 places and 0 transitions.
Iterating global reduction 5 with 10 rules applied. Total rules applied 4631 place count 341 transition count 4034
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 5 with 1 rules applied. Total rules applied 4632 place count 341 transition count 4033
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: -13
Deduced a syphon composed of 1 places in 1 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 6 with 2 rules applied. Total rules applied 4634 place count 340 transition count 4046
Drop transitions removed 23 transitions
Redundant transition composition rules discarded 23 transitions
Iterating global reduction 6 with 23 rules applied. Total rules applied 4657 place count 340 transition count 4023
Free-agglomeration rule applied 20 times with reduction of 7 identical transitions.
Iterating global reduction 6 with 20 rules applied. Total rules applied 4677 place count 340 transition count 3996
Reduce places removed 20 places and 0 transitions.
Ensure Unique test removed 65 transitions
Reduce isomorphic transitions removed 65 transitions.
Iterating post reduction 6 with 85 rules applied. Total rules applied 4762 place count 320 transition count 3931
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: -9
Deduced a syphon composed of 1 places in 1 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 7 with 2 rules applied. Total rules applied 4764 place count 319 transition count 3940
Drop transitions removed 94 transitions
Redundant transition composition rules discarded 94 transitions
Iterating global reduction 7 with 94 rules applied. Total rules applied 4858 place count 319 transition count 3846
Free-agglomeration rule applied 11 times with reduction of 2 identical transitions.
Iterating global reduction 7 with 11 rules applied. Total rules applied 4869 place count 319 transition count 3833
Reduce places removed 11 places and 0 transitions.
Ensure Unique test removed 10 transitions
Reduce isomorphic transitions removed 10 transitions.
Iterating post reduction 7 with 21 rules applied. Total rules applied 4890 place count 308 transition count 3823
Drop transitions removed 29 transitions
Redundant transition composition rules discarded 29 transitions
Iterating global reduction 8 with 29 rules applied. Total rules applied 4919 place count 308 transition count 3794
Free-agglomeration rule applied 4 times.
Iterating global reduction 8 with 4 rules applied. Total rules applied 4923 place count 308 transition count 3790
Reduce places removed 4 places and 0 transitions.
Iterating post reduction 8 with 4 rules applied. Total rules applied 4927 place count 304 transition count 3790
Drop transitions removed 11 transitions
Redundant transition composition rules discarded 11 transitions
Iterating global reduction 9 with 11 rules applied. Total rules applied 4938 place count 304 transition count 3779
Free-agglomeration rule applied 1 times.
Iterating global reduction 9 with 1 rules applied. Total rules applied 4939 place count 304 transition count 3778
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 9 with 1 rules applied. Total rules applied 4940 place count 303 transition count 3778
Free-agglomeration rule (complex) applied 7 times with reduction of 11 identical transitions.
Iterating global reduction 10 with 7 rules applied. Total rules applied 4947 place count 303 transition count 3851
Reduce places removed 7 places and 0 transitions.
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 10 with 8 rules applied. Total rules applied 4955 place count 296 transition count 3850
Drop transitions removed 41 transitions
Redundant transition composition rules discarded 41 transitions
Iterating global reduction 11 with 41 rules applied. Total rules applied 4996 place count 296 transition count 3809
Applied a total of 4996 rules in 1464 ms. Remains 296 /1296 variables (removed 1000) and now considering 3809/89908 (removed 86099) transitions.
Running SMT prover for 1 properties.
[2023-03-16 21:12:11] [INFO ] Flow matrix only has 3693 transitions (discarded 116 similar events)
// Phase 1: matrix 3693 rows 296 cols
[2023-03-16 21:12:11] [INFO ] Computed 0 place invariants in 28 ms
[2023-03-16 21:12:11] [INFO ] After 566ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
[2023-03-16 21:12:12] [INFO ] After 511ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
[2023-03-16 21:12:12] [INFO ] State equation strengthened by 16 read => feed constraints.
[2023-03-16 21:12:12] [INFO ] After 83ms SMT Verify possible using 16 Read/Feed constraints in natural domain returned unsat :0 sat :1
[2023-03-16 21:12:12] [INFO ] After 208ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
Attempting to minimize the solution found.
Minimization took 67 ms.
[2023-03-16 21:12:12] [INFO ] After 841ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
Knowledge obtained : [p0, (X p0), (X (X p0))]
False Knowledge obtained : []
Knowledge based reduction with 3 factoid took 112 ms. Reduced automaton from 1 states, 2 edges and 1 AP (stutter insensitive) to 1 states, 2 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 40 ms :[(NOT p0)]
Stuttering acceptance computed with spot in 31 ms :[(NOT p0)]
Stuttering acceptance computed with spot in 30 ms :[(NOT p0)]
Product exploration explored 100000 steps with 0 reset in 4879 ms.
Product exploration explored 100000 steps with 1 reset in 4848 ms.
Built C files in :
/tmp/ltsmin11608408488254508643
[2023-03-16 21:12:22] [INFO ] Too many transitions (92651) to apply POR reductions. Disabling POR matrices.
[2023-03-16 21:12:23] [INFO ] Built C files in 530ms conformant to PINS (ltsmin variant)in folder :/tmp/ltsmin11608408488254508643
Running compilation step : cd /tmp/ltsmin11608408488254508643;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202303021504/bin/limit_time.pl' '3' 'gcc' '-c' '-I/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202303021504/bin/include/' '-I.' '-std=c99' '-fPIC' '-O0' 'model.c'
WARNING : LTS min runner thread failed on error :java.lang.RuntimeException: Compilation or link of executable timed out.java.util.concurrent.TimeoutException: Subprocess running cd /tmp/ltsmin11608408488254508643;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202303021504/bin/limit_time.pl' '3' 'gcc' '-c' '-I/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202303021504/bin/include/' '-I.' '-std=c99' '-fPIC' '-O0' 'model.c' killed by timeout after 3 SECONDS
java.lang.RuntimeException: Compilation or link of executable timed out.java.util.concurrent.TimeoutException: Subprocess running cd /tmp/ltsmin11608408488254508643;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202303021504/bin/limit_time.pl' '3' 'gcc' '-c' '-I/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202303021504/bin/include/' '-I.' '-std=c99' '-fPIC' '-O0' 'model.c' killed by timeout after 3 SECONDS
at fr.lip6.move.gal.application.runner.ltsmin.LTSminRunner$1.run(LTSminRunner.java:92)
at java.base/java.lang.Thread.run(Thread.java:833)
Support contains 2 out of 1343 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 1343/1343 places, 92651/92651 transitions.
Applied a total of 0 rules in 398 ms. Remains 1343 /1343 variables (removed 0) and now considering 92651/92651 (removed 0) transitions.
[2023-03-16 21:12:26] [INFO ] Flow matrix only has 62309 transitions (discarded 30342 similar events)
// Phase 1: matrix 62309 rows 1343 cols
[2023-03-16 21:12:26] [INFO ] Computed 12 place invariants in 242 ms
[2023-03-16 21:12:30] [INFO ] Implicit Places using invariants in 3841 ms returned []
Implicit Place search using SMT only with invariants took 3841 ms to find 0 implicit places.
[2023-03-16 21:12:30] [INFO ] Flow matrix only has 62309 transitions (discarded 30342 similar events)
[2023-03-16 21:12:30] [INFO ] Invariant cache hit.
[2023-03-16 21:13:00] [INFO ] Performed 91158/92651 'is it Dead' test of which 0 returned DEAD in 30 seconds.
[2023-03-16 21:13:01] [INFO ] Dead Transitions using invariants and state equation in 30730 ms found 0 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 34972 ms. Remains : 1343/1343 places, 92651/92651 transitions.
Built C files in :
/tmp/ltsmin12497823677931271871
[2023-03-16 21:13:01] [INFO ] Too many transitions (92651) to apply POR reductions. Disabling POR matrices.
[2023-03-16 21:13:01] [INFO ] Built C files in 512ms conformant to PINS (ltsmin variant)in folder :/tmp/ltsmin12497823677931271871
Running compilation step : cd /tmp/ltsmin12497823677931271871;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202303021504/bin/limit_time.pl' '3' 'gcc' '-c' '-I/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202303021504/bin/include/' '-I.' '-std=c99' '-fPIC' '-O0' 'model.c'
WARNING : LTS min runner thread failed on error :java.lang.RuntimeException: Compilation or link of executable timed out.java.util.concurrent.TimeoutException: Subprocess running cd /tmp/ltsmin12497823677931271871;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202303021504/bin/limit_time.pl' '3' 'gcc' '-c' '-I/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202303021504/bin/include/' '-I.' '-std=c99' '-fPIC' '-O0' 'model.c' killed by timeout after 3 SECONDS
java.lang.RuntimeException: Compilation or link of executable timed out.java.util.concurrent.TimeoutException: Subprocess running cd /tmp/ltsmin12497823677931271871;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202303021504/bin/limit_time.pl' '3' 'gcc' '-c' '-I/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202303021504/bin/include/' '-I.' '-std=c99' '-fPIC' '-O0' 'model.c' killed by timeout after 3 SECONDS
at fr.lip6.move.gal.application.runner.ltsmin.LTSminRunner$1.run(LTSminRunner.java:92)
at java.base/java.lang.Thread.run(Thread.java:833)
[2023-03-16 21:13:08] [INFO ] Flatten gal took : 2342 ms
[2023-03-16 21:13:10] [INFO ] Flatten gal took : 2114 ms
[2023-03-16 21:13:10] [INFO ] Time to serialize gal into /tmp/LTL14600371290522856704.gal : 321 ms
[2023-03-16 21:13:10] [INFO ] Time to serialize properties into /tmp/LTL9790263897124491270.prop : 0 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202303021504/bin/its-ltl-linux64' '--gc-threshold' '2000000' '-i' '/tmp/LTL14600371290522856704.gal' '-t' 'CGAL' '-hoa' '/tmp/aut246639803010573049.hoa' '-atoms' '/tmp/LTL9790263897124491270.prop' '-c' '-stutter-deadlock' '--gen-order' 'FOLLOW'

its-ltl command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202303021504/bin/its-ltl-linux64 --gc-threshold 2000000 -i /tmp/L...317
Loading property file /tmp/LTL9790263897124491270.prop.
Loaded 1 atomic propositions.
Checking formula 0 provided in automaton : /tmp/aut246639803010573049.hoa
Detected timeout of ITS tools.
[2023-03-16 21:13:29] [INFO ] Flatten gal took : 2233 ms
[2023-03-16 21:13:31] [INFO ] Flatten gal took : 2011 ms
[2023-03-16 21:13:32] [INFO ] Time to serialize gal into /tmp/LTL17844330700294951785.gal : 287 ms
[2023-03-16 21:13:32] [INFO ] Time to serialize properties into /tmp/LTL117948895418748599.ltl : 0 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202303021504/bin/its-ltl-linux64' '--gc-threshold' '2000000' '-i' '/tmp/LTL17844330700294951785.gal' '-t' 'CGAL' '-LTL' '/tmp/LTL117948895418748599.ltl' '-c' '-stutter-deadlock' '--gen-order' 'FOLLOW'

its-ltl command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202303021504/bin/its-ltl-linux64 --gc-threshold 2000000 -i /tmp/L...275
Read 1 LTL properties
Checking formula 0 : !((F(G("((ps1215==0)||(ps602==0))"))))
Formula 0 simplified : GF!"((ps1215==0)||(ps602==0))"
Detected timeout of ITS tools.
[2023-03-16 21:13:49] [INFO ] Flatten gal took : 2218 ms
[2023-03-16 21:13:49] [INFO ] Applying decomposition
[2023-03-16 21:13:51] [INFO ] Flatten gal took : 2075 ms
Converted graph to binary with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202303021504/bin/convert-linux64' '-i' '/tmp/graph10393315516057077033.txt' '-o' '/tmp/graph10393315516057077033.bin' '-w' '/tmp/graph10393315516057077033.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202303021504/bin/louvain-linux64' '/tmp/graph10393315516057077033.bin' '-l' '-1' '-v' '-w' '/tmp/graph10393315516057077033.weights' '-q' '0' '-e' '0.001'
[2023-03-16 21:13:57] [INFO ] Decomposing Gal with order
[2023-03-16 21:13:57] [INFO ] Rewriting arrays to variables to allow decomposition.
[2023-03-16 21:14:04] [INFO ] Removed a total of 201753 redundant transitions.
[2023-03-16 21:14:05] [INFO ] Flatten gal took : 5842 ms
[2023-03-16 21:14:10] [INFO ] Fuse similar labels procedure discarded/fused a total of 3286 labels/synchronizations in 3660 ms.
[2023-03-16 21:14:10] [INFO ] Time to serialize gal into /tmp/LTL15785134848233514333.gal : 122 ms
[2023-03-16 21:14:10] [INFO ] Time to serialize properties into /tmp/LTL13121566891307114323.ltl : 1 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202303021504/bin/its-ltl-linux64' '--gc-threshold' '2000000' '-i' '/tmp/LTL15785134848233514333.gal' '-t' 'CGAL' '-LTL' '/tmp/LTL13121566891307114323.ltl' '-c' '-stutter-deadlock'

its-ltl command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202303021504/bin/its-ltl-linux64 --gc-threshold 2000000 -i /tmp/L...256
Read 1 LTL properties
Checking formula 0 : !((F(G("((i5.u211.ps1215==0)||(i3.u59.ps602==0))"))))
Formula 0 simplified : GF!"((i5.u211.ps1215==0)||(i3.u59.ps602==0))"
Detected timeout of ITS tools.
Built C files in :
/tmp/ltsmin17446490821189255616
[2023-03-16 21:14:26] [INFO ] Built C files in 536ms conformant to PINS (ltsmin variant)in folder :/tmp/ltsmin17446490821189255616
Running compilation step : cd /tmp/ltsmin17446490821189255616;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202303021504/bin/limit_time.pl' '3' 'gcc' '-c' '-I/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202303021504/bin/include/' '-I.' '-std=c99' '-fPIC' '-O0' 'model.c'
WARNING : LTS min runner thread failed on error :java.lang.RuntimeException: Compilation or link of executable timed out.java.util.concurrent.TimeoutException: Subprocess running cd /tmp/ltsmin17446490821189255616;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202303021504/bin/limit_time.pl' '3' 'gcc' '-c' '-I/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202303021504/bin/include/' '-I.' '-std=c99' '-fPIC' '-O0' 'model.c' killed by timeout after 3 SECONDS
java.lang.RuntimeException: Compilation or link of executable timed out.java.util.concurrent.TimeoutException: Subprocess running cd /tmp/ltsmin17446490821189255616;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202303021504/bin/limit_time.pl' '3' 'gcc' '-c' '-I/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202303021504/bin/include/' '-I.' '-std=c99' '-fPIC' '-O0' 'model.c' killed by timeout after 3 SECONDS
at fr.lip6.move.gal.application.runner.ltsmin.LTSminRunner$1.run(LTSminRunner.java:92)
at java.base/java.lang.Thread.run(Thread.java:833)
Treatment of property RERS2020-PT-pb107-LTLFireability-11 finished in 413235 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202303021504/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!((F(p0)&&X(G(p1))))'
Support contains 4 out of 1369 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 1369/1369 places, 93216/93216 transitions.
Applied a total of 0 rules in 122 ms. Remains 1369 /1369 variables (removed 0) and now considering 93216/93216 (removed 0) transitions.
[2023-03-16 21:14:29] [INFO ] Flow matrix only has 62870 transitions (discarded 30346 similar events)
// Phase 1: matrix 62870 rows 1369 cols
[2023-03-16 21:14:29] [INFO ] Computed 12 place invariants in 306 ms
[2023-03-16 21:14:33] [INFO ] Implicit Places using invariants in 3672 ms returned []
Implicit Place search using SMT only with invariants took 3673 ms to find 0 implicit places.
[2023-03-16 21:14:33] [INFO ] Flow matrix only has 62870 transitions (discarded 30346 similar events)
[2023-03-16 21:14:33] [INFO ] Invariant cache hit.
[2023-03-16 21:15:03] [INFO ] Performed 92128/93216 'is it Dead' test of which 0 returned DEAD in 30 seconds.
[2023-03-16 21:15:03] [INFO ] Dead Transitions using invariants and state equation in 30588 ms found 0 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 34386 ms. Remains : 1369/1369 places, 93216/93216 transitions.
Stuttering acceptance computed with spot in 155 ms :[(NOT p1), true, (OR (NOT p1) (NOT p0)), (OR (NOT p1) (NOT p0))]
Running random walk in product with property : RERS2020-PT-pb107-LTLFireability-12 automaton TGBA Formula[mat=[[{ cond=p1, acceptance={} source=0 dest: 0}, { cond=(NOT p1), acceptance={} source=0 dest: 1}], [{ cond=true, acceptance={0} source=1 dest: 1}], [{ cond=p0, acceptance={} source=2 dest: 0}, { cond=(NOT p0), acceptance={} source=2 dest: 3}], [{ cond=(AND p0 p1), acceptance={0} source=3 dest: 0}, { cond=(NOT p1), acceptance={0} source=3 dest: 1}, { cond=(AND (NOT p0) p1), acceptance={0} source=3 dest: 3}]], initial=2, aps=[p1:(OR (NEQ s292 1) (NEQ s1002 1)), p0:(OR (EQ s414 0) (EQ s865 0))], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, complete, 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 0 reset in 4928 ms.
Product exploration explored 100000 steps with 1 reset in 4872 ms.
Computed a total of 261 stabilizing places and 30825 stable transitions
Computed a total of 261 stabilizing places and 30825 stable transitions
Knowledge obtained : [(AND p1 p0), (X (NOT (AND (NOT p0) p1))), (X (AND p0 p1)), (X p1), true, (X (X (NOT (AND (NOT p0) p1)))), (X (X (AND p0 p1))), (X (X p1))]
False Knowledge obtained : []
Knowledge based reduction with 8 factoid took 429 ms. Reduced automaton from 4 states, 8 edges and 2 AP (stutter sensitive) to 3 states, 4 edges and 1 AP (stutter sensitive).
Stuttering acceptance computed with spot in 67 ms :[true, (NOT p1), (NOT p1)]
Incomplete random walk after 10000 steps, including 2 resets, run finished after 525 ms. (steps per millisecond=19 ) properties (out of 1) seen :0
Incomplete Best-First random walk after 10000 steps, including 2 resets, run finished after 57 ms. (steps per millisecond=175 ) properties (out of 1) seen :0
Interrupted probabilistic random walk after 9822 steps, run timeout after 3002 ms. (steps per millisecond=3 ) properties seen :{}
Probabilistic random walk after 9822 steps, saw 7936 distinct states, run finished after 3002 ms. (steps per millisecond=3 ) properties seen :0
Running SMT prover for 1 properties.
[2023-03-16 21:15:18] [INFO ] Flow matrix only has 62870 transitions (discarded 30346 similar events)
[2023-03-16 21:15:18] [INFO ] Invariant cache hit.
[2023-03-16 21:15:18] [INFO ] [Real]Absence check using 12 positive place invariants in 10 ms returned sat
[2023-03-16 21:15:38] [INFO ] After 19193ms SMT Verify possible using state equation in real domain returned unsat :0 sat :1
[2023-03-16 21:15:38] [INFO ] State equation strengthened by 3692 read => feed constraints.
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:642)
at fr.lip6.move.gal.structural.smt.DeadlockTester.testUnreachableWithSMTIncremental(DeadlockTester.java:339)
at fr.lip6.move.gal.structural.smt.DeadlockTester.testUnreachableWithSMT(DeadlockTester.java:223)
at fr.lip6.move.gal.application.solver.ReachabilitySolver.applyReductions(ReachabilitySolver.java:95)
at fr.lip6.move.gal.application.solver.ltl.LTLPropertySolver.addInvarianceKnowledge(LTLPropertySolver.java:701)
at fr.lip6.move.gal.application.solver.ltl.LTLPropertySolver.applyKnowledgeBasedReductions(LTLPropertySolver.java:568)
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)
[2023-03-16 21:15:43] [WARNING] SMT solver failed with error :SMT solver raised an error when submitting script.... while checking expressions.
[2023-03-16 21:15:43] [INFO ] After 25025ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0
Parikh walk visited 0 properties in 0 ms.
Support contains 2 out of 1369 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 1369/1369 places, 93216/93216 transitions.
Drop transitions removed 2811 transitions
Reduce isomorphic transitions removed 2811 transitions.
Drop transitions removed 1 transitions
Trivial Post-agglo rules discarded 1 transitions
Performed 1 trivial Post agglomeration. Transition count delta: 1
Iterating post reduction 0 with 2812 rules applied. Total rules applied 2812 place count 1369 transition count 90404
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 1 with 1 rules applied. Total rules applied 2813 place count 1368 transition count 90404
Performed 2 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 2 Pre rules applied. Total rules applied 2813 place count 1368 transition count 90402
Deduced a syphon composed of 2 places in 45 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 2 with 4 rules applied. Total rules applied 2817 place count 1366 transition count 90402
Drop transitions removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 2 with 2 rules applied. Total rules applied 2819 place count 1366 transition count 90400
Performed 17 Post agglomeration using F-continuation condition with reduction of 3 identical transitions.
Deduced a syphon composed of 17 places in 46 ms
Reduce places removed 17 places and 0 transitions.
Iterating global reduction 3 with 34 rules applied. Total rules applied 2853 place count 1349 transition count 90380
Drop transitions removed 6 transitions
Ensure Unique test removed 439 transitions
Reduce isomorphic transitions removed 445 transitions.
Iterating post reduction 3 with 445 rules applied. Total rules applied 3298 place count 1349 transition count 89935
Performed 4 Post agglomeration using F-continuation condition.Transition count delta: 4
Deduced a syphon composed of 4 places in 45 ms
Reduce places removed 4 places and 0 transitions.
Iterating global reduction 4 with 8 rules applied. Total rules applied 3306 place count 1345 transition count 89931
Drop transitions removed 4 transitions
Ensure Unique test removed 92 transitions
Reduce isomorphic transitions removed 96 transitions.
Iterating post reduction 4 with 96 rules applied. Total rules applied 3402 place count 1345 transition count 89835
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: -1
Deduced a syphon composed of 1 places in 45 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 5 with 2 rules applied. Total rules applied 3404 place count 1344 transition count 89836
Ensure Unique test removed 3 transitions
Reduce isomorphic transitions removed 3 transitions.
Iterating post reduction 5 with 3 rules applied. Total rules applied 3407 place count 1344 transition count 89833
Free-agglomeration rule applied 32 times.
Iterating global reduction 6 with 32 rules applied. Total rules applied 3439 place count 1344 transition count 89801
Reduce places removed 32 places and 0 transitions.
Drop transitions removed 44 transitions
Ensure Unique test removed 555 transitions
Reduce isomorphic transitions removed 599 transitions.
Iterating post reduction 6 with 631 rules applied. Total rules applied 4070 place count 1312 transition count 89202
Free-agglomeration rule (complex) applied 15 times with reduction of 16 identical transitions.
Iterating global reduction 7 with 15 rules applied. Total rules applied 4085 place count 1312 transition count 89935
Reduce places removed 15 places and 0 transitions.
Drop transitions removed 5 transitions
Ensure Unique test removed 21 transitions
Reduce isomorphic transitions removed 26 transitions.
Iterating post reduction 7 with 41 rules applied. Total rules applied 4126 place count 1297 transition count 89909
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 8 with 1 rules applied. Total rules applied 4127 place count 1296 transition count 89908
Applied a total of 4127 rules in 3395 ms. Remains 1296 /1369 variables (removed 73) and now considering 89908/93216 (removed 3308) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 3397 ms. Remains : 1296/1369 places, 89908/93216 transitions.
Incomplete random walk after 10000 steps, including 2 resets, run finished after 512 ms. (steps per millisecond=19 ) properties (out of 1) seen :0
Incomplete Best-First random walk after 10001 steps, including 3 resets, run finished after 66 ms. (steps per millisecond=151 ) properties (out of 1) seen :0
Interrupted probabilistic random walk after 9623 steps, run timeout after 3001 ms. (steps per millisecond=3 ) properties seen :{}
Probabilistic random walk after 9623 steps, saw 7654 distinct states, run finished after 3001 ms. (steps per millisecond=3 ) properties seen :0
Running SMT prover for 1 properties.
[2023-03-16 21:15:50] [INFO ] Flow matrix only has 62424 transitions (discarded 27484 similar events)
// Phase 1: matrix 62424 rows 1296 cols
[2023-03-16 21:15:50] [INFO ] Computed 12 place invariants in 190 ms
[2023-03-16 21:15:51] [INFO ] [Real]Absence check using 12 positive place invariants in 9 ms returned sat
[2023-03-16 21:16:10] [INFO ] After 19222ms SMT Verify possible using state equation in real domain returned unsat :0 sat :1
[2023-03-16 21:16:10] [INFO ] State equation strengthened by 3688 read => feed constraints.
[2023-03-16 21:16:15] [INFO ] After 5217ms SMT Verify possible using 3688 Read/Feed constraints in real domain returned unsat :0 sat :0
[2023-03-16 21:16:15] [INFO ] After 25019ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0
Parikh walk visited 0 properties in 16 ms.
Support contains 2 out of 1296 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 1296/1296 places, 89908/89908 transitions.
Applied a total of 0 rules in 336 ms. Remains 1296 /1296 variables (removed 0) and now considering 89908/89908 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 336 ms. Remains : 1296/1296 places, 89908/89908 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 1296/1296 places, 89908/89908 transitions.
Applied a total of 0 rules in 337 ms. Remains 1296 /1296 variables (removed 0) and now considering 89908/89908 (removed 0) transitions.
[2023-03-16 21:16:16] [INFO ] Flow matrix only has 62424 transitions (discarded 27484 similar events)
[2023-03-16 21:16:16] [INFO ] Invariant cache hit.
[2023-03-16 21:16:20] [INFO ] Implicit Places using invariants in 3418 ms returned []
Implicit Place search using SMT only with invariants took 3419 ms to find 0 implicit places.
[2023-03-16 21:16:20] [INFO ] Flow matrix only has 62424 transitions (discarded 27484 similar events)
[2023-03-16 21:16:20] [INFO ] Invariant cache hit.
[2023-03-16 21:16:49] [INFO ] Dead Transitions using invariants and state equation in 29577 ms found 0 transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 33340 ms. Remains : 1296/1296 places, 89908/89908 transitions.
Graph (trivial) has 31704 edges and 1296 vertex of which 1030 / 1296 are part of one of the 152 SCC in 4 ms
Free SCC test removed 878 places
Drop transitions removed 33062 transitions
Ensure Unique test removed 48183 transitions
Reduce isomorphic transitions removed 81245 transitions.
Graph (complete) has 8350 edges and 418 vertex of which 403 are kept as prefixes of interest. Removing 15 places using SCC suffix rule.3 ms
Discarding 15 places :
Also discarding 2 output transitions
Drop transitions removed 2 transitions
Drop transitions removed 23 transitions
Ensure Unique test removed 19 transitions
Reduce isomorphic transitions removed 42 transitions.
Iterating post reduction 0 with 42 rules applied. Total rules applied 44 place count 403 transition count 8619
Performed 1 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 1 with 1 Pre rules applied. Total rules applied 44 place count 403 transition count 8618
Deduced a syphon composed of 1 places in 2 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 1 with 2 rules applied. Total rules applied 46 place count 402 transition count 8618
Discarding 3 places :
Symmetric choice reduction at 1 with 3 rule applications. Total rules 49 place count 399 transition count 8606
Iterating global reduction 1 with 3 rules applied. Total rules applied 52 place count 399 transition count 8606
Ensure Unique test removed 6 transitions
Reduce isomorphic transitions removed 6 transitions.
Iterating post reduction 1 with 6 rules applied. Total rules applied 58 place count 399 transition count 8600
Performed 4 Post agglomeration using F-continuation condition.Transition count delta: 4
Deduced a syphon composed of 4 places in 2 ms
Reduce places removed 4 places and 0 transitions.
Iterating global reduction 2 with 8 rules applied. Total rules applied 66 place count 395 transition count 8596
Ensure Unique test removed 73 transitions
Reduce isomorphic transitions removed 73 transitions.
Iterating post reduction 2 with 73 rules applied. Total rules applied 139 place count 395 transition count 8523
Drop transitions removed 3945 transitions
Redundant transition composition rules discarded 3945 transitions
Iterating global reduction 3 with 3945 rules applied. Total rules applied 4084 place count 395 transition count 4578
Reduce places removed 3 places and 0 transitions.
Drop transitions removed 51 transitions
Reduce isomorphic transitions removed 51 transitions.
Graph (complete) has 5261 edges and 392 vertex of which 361 are kept as prefixes of interest. Removing 31 places using SCC suffix rule.1 ms
Discarding 31 places :
Also discarding 7 output transitions
Drop transitions removed 7 transitions
Iterating post reduction 3 with 55 rules applied. Total rules applied 4139 place count 361 transition count 4520
Drop transitions removed 443 transitions
Ensure Unique test removed 12 transitions
Reduce isomorphic transitions removed 455 transitions.
Iterating post reduction 4 with 455 rules applied. Total rules applied 4594 place count 361 transition count 4065
Performed 1 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 5 with 1 Pre rules applied. Total rules applied 4594 place count 361 transition count 4064
Deduced a syphon composed of 1 places in 1 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 5 with 2 rules applied. Total rules applied 4596 place count 360 transition count 4064
Discarding 6 places :
Symmetric choice reduction at 5 with 6 rule applications. Total rules 4602 place count 354 transition count 4042
Iterating global reduction 5 with 6 rules applied. Total rules applied 4608 place count 354 transition count 4042
Discarding 4 places :
Symmetric choice reduction at 5 with 4 rule applications. Total rules 4612 place count 350 transition count 4026
Iterating global reduction 5 with 4 rules applied. Total rules applied 4616 place count 350 transition count 4026
Performed 5 Post agglomeration using F-continuation condition.Transition count delta: 5
Deduced a syphon composed of 5 places in 1 ms
Reduce places removed 5 places and 0 transitions.
Iterating global reduction 5 with 10 rules applied. Total rules applied 4626 place count 345 transition count 4021
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 5 with 1 rules applied. Total rules applied 4627 place count 345 transition count 4020
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: -13
Deduced a syphon composed of 1 places in 1 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 6 with 2 rules applied. Total rules applied 4629 place count 344 transition count 4033
Drop transitions removed 23 transitions
Redundant transition composition rules discarded 23 transitions
Iterating global reduction 6 with 23 rules applied. Total rules applied 4652 place count 344 transition count 4010
Free-agglomeration rule applied 19 times with reduction of 7 identical transitions.
Iterating global reduction 6 with 19 rules applied. Total rules applied 4671 place count 344 transition count 3984
Reduce places removed 19 places and 0 transitions.
Ensure Unique test removed 63 transitions
Reduce isomorphic transitions removed 63 transitions.
Iterating post reduction 6 with 82 rules applied. Total rules applied 4753 place count 325 transition count 3921
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: -9
Deduced a syphon composed of 1 places in 1 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 7 with 2 rules applied. Total rules applied 4755 place count 324 transition count 3930
Drop transitions removed 78 transitions
Redundant transition composition rules discarded 78 transitions
Iterating global reduction 7 with 78 rules applied. Total rules applied 4833 place count 324 transition count 3852
Free-agglomeration rule applied 10 times with reduction of 1 identical transitions.
Iterating global reduction 7 with 10 rules applied. Total rules applied 4843 place count 324 transition count 3841
Reduce places removed 10 places and 0 transitions.
Ensure Unique test removed 11 transitions
Reduce isomorphic transitions removed 11 transitions.
Iterating post reduction 7 with 21 rules applied. Total rules applied 4864 place count 314 transition count 3830
Drop transitions removed 30 transitions
Redundant transition composition rules discarded 30 transitions
Iterating global reduction 8 with 30 rules applied. Total rules applied 4894 place count 314 transition count 3800
Free-agglomeration rule applied 4 times.
Iterating global reduction 8 with 4 rules applied. Total rules applied 4898 place count 314 transition count 3796
Reduce places removed 4 places and 0 transitions.
Iterating post reduction 8 with 4 rules applied. Total rules applied 4902 place count 310 transition count 3796
Drop transitions removed 13 transitions
Redundant transition composition rules discarded 13 transitions
Iterating global reduction 9 with 13 rules applied. Total rules applied 4915 place count 310 transition count 3783
Free-agglomeration rule applied 1 times.
Iterating global reduction 9 with 1 rules applied. Total rules applied 4916 place count 310 transition count 3782
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 9 with 1 rules applied. Total rules applied 4917 place count 309 transition count 3782
Free-agglomeration rule (complex) applied 7 times with reduction of 11 identical transitions.
Iterating global reduction 10 with 7 rules applied. Total rules applied 4924 place count 309 transition count 3856
Reduce places removed 7 places and 0 transitions.
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 10 with 8 rules applied. Total rules applied 4932 place count 302 transition count 3855
Drop transitions removed 42 transitions
Redundant transition composition rules discarded 42 transitions
Iterating global reduction 11 with 42 rules applied. Total rules applied 4974 place count 302 transition count 3813
Applied a total of 4974 rules in 1472 ms. Remains 302 /1296 variables (removed 994) and now considering 3813/89908 (removed 86095) transitions.
Running SMT prover for 1 properties.
[2023-03-16 21:16:51] [INFO ] Flow matrix only has 3695 transitions (discarded 118 similar events)
// Phase 1: matrix 3695 rows 302 cols
[2023-03-16 21:16:51] [INFO ] Computed 0 place invariants in 23 ms
[2023-03-16 21:16:51] [INFO ] After 588ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
[2023-03-16 21:16:52] [INFO ] After 536ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
[2023-03-16 21:16:52] [INFO ] State equation strengthened by 17 read => feed constraints.
[2023-03-16 21:16:52] [INFO ] After 76ms SMT Verify possible using 17 Read/Feed constraints in natural domain returned unsat :0 sat :1
[2023-03-16 21:16:52] [INFO ] After 190ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
Attempting to minimize the solution found.
Minimization took 69 ms.
[2023-03-16 21:16:52] [INFO ] After 849ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
Knowledge obtained : [(AND p1 p0), (X (NOT (AND (NOT p0) p1))), (X (AND p0 p1)), (X p1), true, (X (X (NOT (AND (NOT p0) p1)))), (X (X (AND p0 p1))), (X (X p1))]
False Knowledge obtained : []
Knowledge based reduction with 8 factoid took 316 ms. Reduced automaton from 3 states, 4 edges and 1 AP (stutter sensitive) to 3 states, 4 edges and 1 AP (stutter sensitive).
Stuttering acceptance computed with spot in 88 ms :[true, (NOT p1), (NOT p1)]
Stuttering acceptance computed with spot in 66 ms :[true, (NOT p1), (NOT p1)]
Support contains 2 out of 1369 places. Attempting structural reductions.
Property had overlarge support with respect to TGBA, discarding it for now.
Starting structural reductions in LTL mode, iteration 0 : 1369/1369 places, 93216/93216 transitions.
Applied a total of 0 rules in 130 ms. Remains 1369 /1369 variables (removed 0) and now considering 93216/93216 (removed 0) transitions.
[2023-03-16 21:16:53] [INFO ] Flow matrix only has 62870 transitions (discarded 30346 similar events)
// Phase 1: matrix 62870 rows 1369 cols
[2023-03-16 21:16:53] [INFO ] Computed 12 place invariants in 241 ms
[2023-03-16 21:16:56] [INFO ] Implicit Places using invariants in 3629 ms returned []
Implicit Place search using SMT only with invariants took 3629 ms to find 0 implicit places.
[2023-03-16 21:16:56] [INFO ] Flow matrix only has 62870 transitions (discarded 30346 similar events)
[2023-03-16 21:16:56] [INFO ] Invariant cache hit.
[2023-03-16 21:17:27] [INFO ] Performed 89067/93216 'is it Dead' test of which 0 returned DEAD in 30 seconds.
[2023-03-16 21:17:28] [INFO ] Dead Transitions using invariants and state equation in 31634 ms found 0 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 35396 ms. Remains : 1369/1369 places, 93216/93216 transitions.
Computed a total of 261 stabilizing places and 30825 stable transitions
Computed a total of 261 stabilizing places and 30825 stable transitions
Knowledge obtained : [p1, (X p1), (X (X p1)), true]
False Knowledge obtained : []
Knowledge based reduction with 4 factoid took 159 ms. Reduced automaton from 3 states, 4 edges and 1 AP (stutter sensitive) to 3 states, 4 edges and 1 AP (stutter sensitive).
Stuttering acceptance computed with spot in 79 ms :[true, (NOT p1), (NOT p1)]
Incomplete random walk after 10000 steps, including 2 resets, run finished after 558 ms. (steps per millisecond=17 ) properties (out of 1) seen :0
Incomplete Best-First random walk after 10000 steps, including 3 resets, run finished after 68 ms. (steps per millisecond=147 ) properties (out of 1) seen :0
Interrupted probabilistic random walk after 9489 steps, run timeout after 3001 ms. (steps per millisecond=3 ) properties seen :{}
Probabilistic random walk after 9489 steps, saw 7736 distinct states, run finished after 3001 ms. (steps per millisecond=3 ) properties seen :0
Running SMT prover for 1 properties.
[2023-03-16 21:17:33] [INFO ] Flow matrix only has 62870 transitions (discarded 30346 similar events)
[2023-03-16 21:17:33] [INFO ] Invariant cache hit.
[2023-03-16 21:17:33] [INFO ] [Real]Absence check using 12 positive place invariants in 8 ms returned sat
[2023-03-16 21:17:52] [INFO ] After 19435ms SMT Verify possible using state equation in real domain returned unsat :0 sat :1
[2023-03-16 21:17:53] [INFO ] State equation strengthened by 3692 read => feed constraints.
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:642)
at fr.lip6.move.gal.structural.smt.DeadlockTester.testUnreachableWithSMTIncremental(DeadlockTester.java:339)
at fr.lip6.move.gal.structural.smt.DeadlockTester.testUnreachableWithSMT(DeadlockTester.java:223)
at fr.lip6.move.gal.application.solver.ReachabilitySolver.applyReductions(ReachabilitySolver.java:95)
at fr.lip6.move.gal.application.solver.ltl.LTLPropertySolver.addInvarianceKnowledge(LTLPropertySolver.java:701)
at fr.lip6.move.gal.application.solver.ltl.LTLPropertySolver.applyKnowledgeBasedReductions(LTLPropertySolver.java:568)
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)
[2023-03-16 21:17:58] [WARNING] SMT solver failed with error :SMT solver raised an error when submitting script.... while checking expressions.
[2023-03-16 21:17:58] [INFO ] After 25022ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0
Parikh walk visited 0 properties in 0 ms.
Support contains 2 out of 1369 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 1369/1369 places, 93216/93216 transitions.
Drop transitions removed 2811 transitions
Reduce isomorphic transitions removed 2811 transitions.
Drop transitions removed 1 transitions
Trivial Post-agglo rules discarded 1 transitions
Performed 1 trivial Post agglomeration. Transition count delta: 1
Iterating post reduction 0 with 2812 rules applied. Total rules applied 2812 place count 1369 transition count 90404
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 1 with 1 rules applied. Total rules applied 2813 place count 1368 transition count 90404
Performed 2 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 2 Pre rules applied. Total rules applied 2813 place count 1368 transition count 90402
Deduced a syphon composed of 2 places in 49 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 2 with 4 rules applied. Total rules applied 2817 place count 1366 transition count 90402
Drop transitions removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 2 with 2 rules applied. Total rules applied 2819 place count 1366 transition count 90400
Performed 17 Post agglomeration using F-continuation condition with reduction of 3 identical transitions.
Deduced a syphon composed of 17 places in 49 ms
Reduce places removed 17 places and 0 transitions.
Iterating global reduction 3 with 34 rules applied. Total rules applied 2853 place count 1349 transition count 90380
Drop transitions removed 6 transitions
Ensure Unique test removed 439 transitions
Reduce isomorphic transitions removed 445 transitions.
Iterating post reduction 3 with 445 rules applied. Total rules applied 3298 place count 1349 transition count 89935
Performed 4 Post agglomeration using F-continuation condition.Transition count delta: 4
Deduced a syphon composed of 4 places in 50 ms
Reduce places removed 4 places and 0 transitions.
Iterating global reduction 4 with 8 rules applied. Total rules applied 3306 place count 1345 transition count 89931
Drop transitions removed 4 transitions
Ensure Unique test removed 92 transitions
Reduce isomorphic transitions removed 96 transitions.
Iterating post reduction 4 with 96 rules applied. Total rules applied 3402 place count 1345 transition count 89835
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: -1
Deduced a syphon composed of 1 places in 48 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 5 with 2 rules applied. Total rules applied 3404 place count 1344 transition count 89836
Ensure Unique test removed 3 transitions
Reduce isomorphic transitions removed 3 transitions.
Iterating post reduction 5 with 3 rules applied. Total rules applied 3407 place count 1344 transition count 89833
Free-agglomeration rule applied 32 times.
Iterating global reduction 6 with 32 rules applied. Total rules applied 3439 place count 1344 transition count 89801
Reduce places removed 32 places and 0 transitions.
Drop transitions removed 44 transitions
Ensure Unique test removed 555 transitions
Reduce isomorphic transitions removed 599 transitions.
Iterating post reduction 6 with 631 rules applied. Total rules applied 4070 place count 1312 transition count 89202
Free-agglomeration rule (complex) applied 15 times with reduction of 16 identical transitions.
Iterating global reduction 7 with 15 rules applied. Total rules applied 4085 place count 1312 transition count 89935
Reduce places removed 15 places and 0 transitions.
Drop transitions removed 5 transitions
Ensure Unique test removed 21 transitions
Reduce isomorphic transitions removed 26 transitions.
Iterating post reduction 7 with 41 rules applied. Total rules applied 4126 place count 1297 transition count 89909
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 8 with 1 rules applied. Total rules applied 4127 place count 1296 transition count 89908
Applied a total of 4127 rules in 4091 ms. Remains 1296 /1369 variables (removed 73) and now considering 89908/93216 (removed 3308) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 4094 ms. Remains : 1296/1369 places, 89908/93216 transitions.
Incomplete random walk after 10000 steps, including 4 resets, run finished after 605 ms. (steps per millisecond=16 ) properties (out of 1) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 70 ms. (steps per millisecond=142 ) properties (out of 1) seen :0
Interrupted probabilistic random walk after 8055 steps, run timeout after 3001 ms. (steps per millisecond=2 ) properties seen :{}
Probabilistic random walk after 8055 steps, saw 6293 distinct states, run finished after 3001 ms. (steps per millisecond=2 ) properties seen :0
Running SMT prover for 1 properties.
[2023-03-16 21:18:06] [INFO ] Flow matrix only has 62424 transitions (discarded 27484 similar events)
// Phase 1: matrix 62424 rows 1296 cols
[2023-03-16 21:18:06] [INFO ] Computed 12 place invariants in 244 ms
[2023-03-16 21:18:06] [INFO ] [Real]Absence check using 12 positive place invariants in 9 ms returned sat
[2023-03-16 21:18:26] [INFO ] After 20491ms SMT Verify possible using state equation in real domain returned unsat :0 sat :1
[2023-03-16 21:18:27] [INFO ] State equation strengthened by 3688 read => feed constraints.
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:642)
at fr.lip6.move.gal.structural.smt.DeadlockTester.testUnreachableWithSMTIncremental(DeadlockTester.java:339)
at fr.lip6.move.gal.structural.smt.DeadlockTester.testUnreachableWithSMT(DeadlockTester.java:223)
at fr.lip6.move.gal.application.solver.ReachabilitySolver.applyReductions(ReachabilitySolver.java:95)
at fr.lip6.move.gal.application.solver.ltl.LTLPropertySolver.addInvarianceKnowledge(LTLPropertySolver.java:701)
at fr.lip6.move.gal.application.solver.ltl.LTLPropertySolver.applyKnowledgeBasedReductions(LTLPropertySolver.java:568)
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)
[2023-03-16 21:18:31] [WARNING] SMT solver failed with error :SMT solver raised an error when submitting script.... while checking expressions.
[2023-03-16 21:18:31] [INFO ] After 25025ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0
Parikh walk visited 0 properties in 11 ms.
Support contains 2 out of 1296 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 1296/1296 places, 89908/89908 transitions.
Applied a total of 0 rules in 387 ms. Remains 1296 /1296 variables (removed 0) and now considering 89908/89908 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 387 ms. Remains : 1296/1296 places, 89908/89908 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 1296/1296 places, 89908/89908 transitions.
Applied a total of 0 rules in 387 ms. Remains 1296 /1296 variables (removed 0) and now considering 89908/89908 (removed 0) transitions.
[2023-03-16 21:18:32] [INFO ] Flow matrix only has 62424 transitions (discarded 27484 similar events)
[2023-03-16 21:18:32] [INFO ] Invariant cache hit.
[2023-03-16 21:18:35] [INFO ] Implicit Places using invariants in 3513 ms returned []
Implicit Place search using SMT only with invariants took 3514 ms to find 0 implicit places.
[2023-03-16 21:18:35] [INFO ] Flow matrix only has 62424 transitions (discarded 27484 similar events)
[2023-03-16 21:18:35] [INFO ] Invariant cache hit.
[2023-03-16 21:19:04] [INFO ] Dead Transitions using invariants and state equation in 29171 ms found 0 transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 33084 ms. Remains : 1296/1296 places, 89908/89908 transitions.
Graph (trivial) has 31704 edges and 1296 vertex of which 1030 / 1296 are part of one of the 152 SCC in 5 ms
Free SCC test removed 878 places
Drop transitions removed 33062 transitions
Ensure Unique test removed 48183 transitions
Reduce isomorphic transitions removed 81245 transitions.
Graph (complete) has 8350 edges and 418 vertex of which 403 are kept as prefixes of interest. Removing 15 places using SCC suffix rule.3 ms
Discarding 15 places :
Also discarding 2 output transitions
Drop transitions removed 2 transitions
Drop transitions removed 23 transitions
Ensure Unique test removed 19 transitions
Reduce isomorphic transitions removed 42 transitions.
Iterating post reduction 0 with 42 rules applied. Total rules applied 44 place count 403 transition count 8619
Performed 1 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 1 with 1 Pre rules applied. Total rules applied 44 place count 403 transition count 8618
Deduced a syphon composed of 1 places in 2 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 1 with 2 rules applied. Total rules applied 46 place count 402 transition count 8618
Discarding 3 places :
Symmetric choice reduction at 1 with 3 rule applications. Total rules 49 place count 399 transition count 8606
Iterating global reduction 1 with 3 rules applied. Total rules applied 52 place count 399 transition count 8606
Ensure Unique test removed 6 transitions
Reduce isomorphic transitions removed 6 transitions.
Iterating post reduction 1 with 6 rules applied. Total rules applied 58 place count 399 transition count 8600
Performed 4 Post agglomeration using F-continuation condition.Transition count delta: 4
Deduced a syphon composed of 4 places in 2 ms
Reduce places removed 4 places and 0 transitions.
Iterating global reduction 2 with 8 rules applied. Total rules applied 66 place count 395 transition count 8596
Ensure Unique test removed 73 transitions
Reduce isomorphic transitions removed 73 transitions.
Iterating post reduction 2 with 73 rules applied. Total rules applied 139 place count 395 transition count 8523
Drop transitions removed 3945 transitions
Redundant transition composition rules discarded 3945 transitions
Iterating global reduction 3 with 3945 rules applied. Total rules applied 4084 place count 395 transition count 4578
Reduce places removed 3 places and 0 transitions.
Drop transitions removed 51 transitions
Reduce isomorphic transitions removed 51 transitions.
Graph (complete) has 5261 edges and 392 vertex of which 361 are kept as prefixes of interest. Removing 31 places using SCC suffix rule.1 ms
Discarding 31 places :
Also discarding 7 output transitions
Drop transitions removed 7 transitions
Iterating post reduction 3 with 55 rules applied. Total rules applied 4139 place count 361 transition count 4520
Drop transitions removed 443 transitions
Ensure Unique test removed 12 transitions
Reduce isomorphic transitions removed 455 transitions.
Iterating post reduction 4 with 455 rules applied. Total rules applied 4594 place count 361 transition count 4065
Performed 1 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 5 with 1 Pre rules applied. Total rules applied 4594 place count 361 transition count 4064
Deduced a syphon composed of 1 places in 1 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 5 with 2 rules applied. Total rules applied 4596 place count 360 transition count 4064
Discarding 6 places :
Symmetric choice reduction at 5 with 6 rule applications. Total rules 4602 place count 354 transition count 4042
Iterating global reduction 5 with 6 rules applied. Total rules applied 4608 place count 354 transition count 4042
Discarding 4 places :
Symmetric choice reduction at 5 with 4 rule applications. Total rules 4612 place count 350 transition count 4026
Iterating global reduction 5 with 4 rules applied. Total rules applied 4616 place count 350 transition count 4026
Performed 5 Post agglomeration using F-continuation condition.Transition count delta: 5
Deduced a syphon composed of 5 places in 1 ms
Reduce places removed 5 places and 0 transitions.
Iterating global reduction 5 with 10 rules applied. Total rules applied 4626 place count 345 transition count 4021
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 5 with 1 rules applied. Total rules applied 4627 place count 345 transition count 4020
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: -13
Deduced a syphon composed of 1 places in 1 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 6 with 2 rules applied. Total rules applied 4629 place count 344 transition count 4033
Drop transitions removed 23 transitions
Redundant transition composition rules discarded 23 transitions
Iterating global reduction 6 with 23 rules applied. Total rules applied 4652 place count 344 transition count 4010
Free-agglomeration rule applied 19 times with reduction of 7 identical transitions.
Iterating global reduction 6 with 19 rules applied. Total rules applied 4671 place count 344 transition count 3984
Reduce places removed 19 places and 0 transitions.
Ensure Unique test removed 63 transitions
Reduce isomorphic transitions removed 63 transitions.
Iterating post reduction 6 with 82 rules applied. Total rules applied 4753 place count 325 transition count 3921
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: -9
Deduced a syphon composed of 1 places in 1 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 7 with 2 rules applied. Total rules applied 4755 place count 324 transition count 3930
Drop transitions removed 78 transitions
Redundant transition composition rules discarded 78 transitions
Iterating global reduction 7 with 78 rules applied. Total rules applied 4833 place count 324 transition count 3852
Free-agglomeration rule applied 10 times with reduction of 1 identical transitions.
Iterating global reduction 7 with 10 rules applied. Total rules applied 4843 place count 324 transition count 3841
Reduce places removed 10 places and 0 transitions.
Ensure Unique test removed 11 transitions
Reduce isomorphic transitions removed 11 transitions.
Iterating post reduction 7 with 21 rules applied. Total rules applied 4864 place count 314 transition count 3830
Drop transitions removed 30 transitions
Redundant transition composition rules discarded 30 transitions
Iterating global reduction 8 with 30 rules applied. Total rules applied 4894 place count 314 transition count 3800
Free-agglomeration rule applied 4 times.
Iterating global reduction 8 with 4 rules applied. Total rules applied 4898 place count 314 transition count 3796
Reduce places removed 4 places and 0 transitions.
Iterating post reduction 8 with 4 rules applied. Total rules applied 4902 place count 310 transition count 3796
Drop transitions removed 13 transitions
Redundant transition composition rules discarded 13 transitions
Iterating global reduction 9 with 13 rules applied. Total rules applied 4915 place count 310 transition count 3783
Free-agglomeration rule applied 1 times.
Iterating global reduction 9 with 1 rules applied. Total rules applied 4916 place count 310 transition count 3782
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 9 with 1 rules applied. Total rules applied 4917 place count 309 transition count 3782
Free-agglomeration rule (complex) applied 7 times with reduction of 11 identical transitions.
Iterating global reduction 10 with 7 rules applied. Total rules applied 4924 place count 309 transition count 3856
Reduce places removed 7 places and 0 transitions.
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 10 with 8 rules applied. Total rules applied 4932 place count 302 transition count 3855
Drop transitions removed 42 transitions
Redundant transition composition rules discarded 42 transitions
Iterating global reduction 11 with 42 rules applied. Total rules applied 4974 place count 302 transition count 3813
Applied a total of 4974 rules in 1496 ms. Remains 302 /1296 variables (removed 994) and now considering 3813/89908 (removed 86095) transitions.
Running SMT prover for 1 properties.
[2023-03-16 21:19:06] [INFO ] Flow matrix only has 3695 transitions (discarded 118 similar events)
// Phase 1: matrix 3695 rows 302 cols
[2023-03-16 21:19:06] [INFO ] Computed 0 place invariants in 24 ms
[2023-03-16 21:19:06] [INFO ] After 590ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
[2023-03-16 21:19:07] [INFO ] After 540ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
[2023-03-16 21:19:07] [INFO ] State equation strengthened by 17 read => feed constraints.
[2023-03-16 21:19:07] [INFO ] After 76ms SMT Verify possible using 17 Read/Feed constraints in natural domain returned unsat :0 sat :1
[2023-03-16 21:19:07] [INFO ] After 183ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
Attempting to minimize the solution found.
Minimization took 68 ms.
[2023-03-16 21:19:07] [INFO ] After 840ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
Knowledge obtained : [p1, (X p1), (X (X p1)), true]
False Knowledge obtained : []
Knowledge based reduction with 4 factoid took 136 ms. Reduced automaton from 3 states, 4 edges and 1 AP (stutter sensitive) to 3 states, 4 edges and 1 AP (stutter sensitive).
Stuttering acceptance computed with spot in 85 ms :[true, (NOT p1), (NOT p1)]
Stuttering acceptance computed with spot in 80 ms :[true, (NOT p1), (NOT p1)]
Stuttering acceptance computed with spot in 82 ms :[true, (NOT p1), (NOT p1)]
Product exploration explored 100000 steps with 0 reset in 5096 ms.
Product exploration explored 100000 steps with 0 reset in 4890 ms.
Applying partial POR strategy [true, false, true]
Stuttering acceptance computed with spot in 80 ms :[true, (NOT p1), (NOT p1)]
Support contains 2 out of 1369 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 1369/1369 places, 93216/93216 transitions.
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 0
Iterating post reduction 0 with 1 rules applied. Total rules applied 1 place count 1369 transition count 93216
Performed 19 Post agglomeration using F-continuation condition with reduction of 3 identical transitions.
Deduced a syphon composed of 20 places in 46 ms
Iterating global reduction 1 with 19 rules applied. Total rules applied 20 place count 1369 transition count 93213
Ensure Unique test removed 439 transitions
Reduce isomorphic transitions removed 439 transitions.
Iterating post reduction 1 with 439 rules applied. Total rules applied 459 place count 1369 transition count 92774
Discarding 2 places :
Symmetric choice reduction at 2 with 2 rule applications. Total rules 461 place count 1367 transition count 92772
Deduced a syphon composed of 18 places in 46 ms
Iterating global reduction 2 with 2 rules applied. Total rules applied 463 place count 1367 transition count 92772
Performed 4 Post agglomeration using F-continuation condition.Transition count delta: 0
Deduced a syphon composed of 22 places in 46 ms
Iterating global reduction 2 with 4 rules applied. Total rules applied 467 place count 1367 transition count 92772
Ensure Unique test removed 96 transitions
Reduce isomorphic transitions removed 96 transitions.
Iterating post reduction 2 with 96 rules applied. Total rules applied 563 place count 1367 transition count 92676
Discarding 4 places :
Symmetric choice reduction at 3 with 4 rule applications. Total rules 567 place count 1363 transition count 92672
Deduced a syphon composed of 18 places in 45 ms
Iterating global reduction 3 with 4 rules applied. Total rules applied 571 place count 1363 transition count 92672
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: -3
Deduced a syphon composed of 19 places in 46 ms
Iterating global reduction 3 with 1 rules applied. Total rules applied 572 place count 1363 transition count 92675
Ensure Unique test removed 3 transitions
Reduce isomorphic transitions removed 3 transitions.
Iterating post reduction 3 with 3 rules applied. Total rules applied 575 place count 1363 transition count 92672
Deduced a syphon composed of 19 places in 46 ms
Applied a total of 575 rules in 2050 ms. Remains 1363 /1369 variables (removed 6) and now considering 92672/93216 (removed 544) transitions.
[2023-03-16 21:19:20] [INFO ] Flow matrix only has 62330 transitions (discarded 30342 similar events)
// Phase 1: matrix 62330 rows 1363 cols
[2023-03-16 21:19:20] [INFO ] Computed 12 place invariants in 201 ms
[2023-03-16 21:19:48] [INFO ] Dead Transitions using invariants and state equation in 28198 ms found 0 transitions.
Starting structural reductions in SI_LTL mode, iteration 1 : 1363/1369 places, 92672/93216 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 30251 ms. Remains : 1363/1369 places, 92672/93216 transitions.
Built C files in :
/tmp/ltsmin7959038372923115810
[2023-03-16 21:19:49] [INFO ] Built C files in 527ms conformant to PINS (ltsmin variant)in folder :/tmp/ltsmin7959038372923115810
Running compilation step : cd /tmp/ltsmin7959038372923115810;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202303021504/bin/limit_time.pl' '3' 'gcc' '-c' '-I/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202303021504/bin/include/' '-I.' '-std=c99' '-fPIC' '-O0' 'model.c'
WARNING : LTS min runner thread failed on error :java.lang.RuntimeException: Compilation or link of executable timed out.java.util.concurrent.TimeoutException: Subprocess running cd /tmp/ltsmin7959038372923115810;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202303021504/bin/limit_time.pl' '3' 'gcc' '-c' '-I/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202303021504/bin/include/' '-I.' '-std=c99' '-fPIC' '-O0' 'model.c' killed by timeout after 3 SECONDS
java.lang.RuntimeException: Compilation or link of executable timed out.java.util.concurrent.TimeoutException: Subprocess running cd /tmp/ltsmin7959038372923115810;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202303021504/bin/limit_time.pl' '3' 'gcc' '-c' '-I/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202303021504/bin/include/' '-I.' '-std=c99' '-fPIC' '-O0' 'model.c' killed by timeout after 3 SECONDS
at fr.lip6.move.gal.application.runner.ltsmin.LTSminRunner$1.run(LTSminRunner.java:92)
at java.base/java.lang.Thread.run(Thread.java:833)
Support contains 2 out of 1369 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 1369/1369 places, 93216/93216 transitions.
Applied a total of 0 rules in 127 ms. Remains 1369 /1369 variables (removed 0) and now considering 93216/93216 (removed 0) transitions.
[2023-03-16 21:19:52] [INFO ] Flow matrix only has 62870 transitions (discarded 30346 similar events)
// Phase 1: matrix 62870 rows 1369 cols
[2023-03-16 21:19:52] [INFO ] Computed 12 place invariants in 238 ms
[2023-03-16 21:19:55] [INFO ] Implicit Places using invariants in 3533 ms returned []
Implicit Place search using SMT only with invariants took 3536 ms to find 0 implicit places.
[2023-03-16 21:19:56] [INFO ] Flow matrix only has 62870 transitions (discarded 30346 similar events)
[2023-03-16 21:19:56] [INFO ] Invariant cache hit.
[2023-03-16 21:20:26] [INFO ] Performed 91788/93216 'is it Dead' test of which 0 returned DEAD in 30 seconds.
[2023-03-16 21:20:26] [INFO ] Dead Transitions using invariants and state equation in 30685 ms found 0 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 34352 ms. Remains : 1369/1369 places, 93216/93216 transitions.
Built C files in :
/tmp/ltsmin4230263268062441484
[2023-03-16 21:20:27] [INFO ] Built C files in 525ms conformant to PINS (ltsmin variant)in folder :/tmp/ltsmin4230263268062441484
Running compilation step : cd /tmp/ltsmin4230263268062441484;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202303021504/bin/limit_time.pl' '3' 'gcc' '-c' '-I/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202303021504/bin/include/' '-I.' '-std=c99' '-fPIC' '-O0' 'model.c'
WARNING : LTS min runner thread failed on error :java.lang.RuntimeException: Compilation or link of executable timed out.java.util.concurrent.TimeoutException: Subprocess running cd /tmp/ltsmin4230263268062441484;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202303021504/bin/limit_time.pl' '3' 'gcc' '-c' '-I/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202303021504/bin/include/' '-I.' '-std=c99' '-fPIC' '-O0' 'model.c' killed by timeout after 3 SECONDS
java.lang.RuntimeException: Compilation or link of executable timed out.java.util.concurrent.TimeoutException: Subprocess running cd /tmp/ltsmin4230263268062441484;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202303021504/bin/limit_time.pl' '3' 'gcc' '-c' '-I/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202303021504/bin/include/' '-I.' '-std=c99' '-fPIC' '-O0' 'model.c' killed by timeout after 3 SECONDS
at fr.lip6.move.gal.application.runner.ltsmin.LTSminRunner$1.run(LTSminRunner.java:92)
at java.base/java.lang.Thread.run(Thread.java:833)
[2023-03-16 21:20:34] [INFO ] Flatten gal took : 2343 ms
[2023-03-16 21:20:36] [INFO ] Flatten gal took : 2138 ms
[2023-03-16 21:20:36] [INFO ] Time to serialize gal into /tmp/LTL2523870768700123665.gal : 311 ms
[2023-03-16 21:20:36] [INFO ] Time to serialize properties into /tmp/LTL15395524597886650855.prop : 0 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202303021504/bin/its-ltl-linux64' '--gc-threshold' '2000000' '-i' '/tmp/LTL2523870768700123665.gal' '-t' 'CGAL' '-hoa' '/tmp/aut17092136928684775899.hoa' '-atoms' '/tmp/LTL15395524597886650855.prop' '-c' '-stutter-deadlock' '--gen-order' 'FOLLOW'

its-ltl command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202303021504/bin/its-ltl-linux64 --gc-threshold 2000000 -i /tmp/L...319
Loading property file /tmp/LTL15395524597886650855.prop.
Loaded 1 atomic propositions.
Checking formula 0 provided in automaton : /tmp/aut17092136928684775899.hoa
Detected timeout of ITS tools.
[2023-03-16 21:20:55] [INFO ] Flatten gal took : 2245 ms
[2023-03-16 21:20:58] [INFO ] Flatten gal took : 2469 ms
[2023-03-16 21:20:58] [INFO ] Time to serialize gal into /tmp/LTL5791913815253492386.gal : 291 ms
[2023-03-16 21:20:58] [INFO ] Time to serialize properties into /tmp/LTL6970564638250699413.ltl : 1 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202303021504/bin/its-ltl-linux64' '--gc-threshold' '2000000' '-i' '/tmp/LTL5791913815253492386.gal' '-t' 'CGAL' '-LTL' '/tmp/LTL6970564638250699413.ltl' '-c' '-stutter-deadlock' '--gen-order' 'FOLLOW'

its-ltl command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202303021504/bin/its-ltl-linux64 --gc-threshold 2000000 -i /tmp/L...275
Read 1 LTL properties
Checking formula 0 : !(((F("((ps359==0)||(ps486==0))"))&&(X(G("((ps1073==0)||(ps1314==0))")))))
Formula 0 simplified : G!"((ps359==0)||(ps486==0))" | XF!"((ps1073==0)||(ps1314==0))"
Detected timeout of ITS tools.
[2023-03-16 21:21:15] [INFO ] Flatten gal took : 2194 ms
[2023-03-16 21:21:15] [INFO ] Applying decomposition
[2023-03-16 21:21:17] [INFO ] Flatten gal took : 2168 ms
Converted graph to binary with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202303021504/bin/convert-linux64' '-i' '/tmp/graph18231713625622044292.txt' '-o' '/tmp/graph18231713625622044292.bin' '-w' '/tmp/graph18231713625622044292.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202303021504/bin/louvain-linux64' '/tmp/graph18231713625622044292.bin' '-l' '-1' '-v' '-w' '/tmp/graph18231713625622044292.weights' '-q' '0' '-e' '0.001'
[2023-03-16 21:21:22] [INFO ] Decomposing Gal with order
[2023-03-16 21:21:22] [INFO ] Rewriting arrays to variables to allow decomposition.
[2023-03-16 21:21:29] [INFO ] Removed a total of 203101 redundant transitions.
[2023-03-16 21:21:29] [INFO ] Flatten gal took : 5351 ms
[2023-03-16 21:21:34] [INFO ] Fuse similar labels procedure discarded/fused a total of 4157 labels/synchronizations in 3421 ms.
[2023-03-16 21:21:34] [INFO ] Time to serialize gal into /tmp/LTL7104582043973219881.gal : 124 ms
[2023-03-16 21:21:34] [INFO ] Time to serialize properties into /tmp/LTL16302734202993445581.ltl : 1 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202303021504/bin/its-ltl-linux64' '--gc-threshold' '2000000' '-i' '/tmp/LTL7104582043973219881.gal' '-t' 'CGAL' '-LTL' '/tmp/LTL16302734202993445581.ltl' '-c' '-stutter-deadlock'

its-ltl command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202303021504/bin/its-ltl-linux64 --gc-threshold 2000000 -i /tmp/L...255
Read 1 LTL properties
Checking formula 0 : !(((F("((i3.u53.ps359==0)||(i3.u53.ps486==0))"))&&(X(G("((i6.i0.u52.ps1073==0)||(i6.i0.u51.ps1314==0))")))))
Formula 0 simplified : G!"((i3.u53.ps359==0)||(i3.u53.ps486==0))" | XF!"((i6.i0.u52.ps1073==0)||(i6.i0.u51.ps1314==0))"
Detected timeout of ITS tools.
Built C files in :
/tmp/ltsmin16770550666577578917
[2023-03-16 21:21:50] [INFO ] Built C files in 537ms conformant to PINS (ltsmin variant)in folder :/tmp/ltsmin16770550666577578917
Running compilation step : cd /tmp/ltsmin16770550666577578917;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202303021504/bin/limit_time.pl' '3' 'gcc' '-c' '-I/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202303021504/bin/include/' '-I.' '-std=c99' '-fPIC' '-O0' 'model.c'
WARNING : LTS min runner thread failed on error :java.lang.RuntimeException: Compilation or link of executable timed out.java.util.concurrent.TimeoutException: Subprocess running cd /tmp/ltsmin16770550666577578917;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202303021504/bin/limit_time.pl' '3' 'gcc' '-c' '-I/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202303021504/bin/include/' '-I.' '-std=c99' '-fPIC' '-O0' 'model.c' killed by timeout after 3 SECONDS
java.lang.RuntimeException: Compilation or link of executable timed out.java.util.concurrent.TimeoutException: Subprocess running cd /tmp/ltsmin16770550666577578917;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202303021504/bin/limit_time.pl' '3' 'gcc' '-c' '-I/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202303021504/bin/include/' '-I.' '-std=c99' '-fPIC' '-O0' 'model.c' killed by timeout after 3 SECONDS
at fr.lip6.move.gal.application.runner.ltsmin.LTSminRunner$1.run(LTSminRunner.java:92)
at java.base/java.lang.Thread.run(Thread.java:833)
Treatment of property RERS2020-PT-pb107-LTLFireability-12 finished in 443955 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202303021504/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!((F(p0)||G(p1)))'
Support contains 4 out of 1369 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 1369/1369 places, 93216/93216 transitions.
Reduce places removed 1 places and 1 transitions.
Drop transitions removed 1 transitions
Trivial Post-agglo rules discarded 1 transitions
Performed 1 trivial Post agglomeration. Transition count delta: 1
Iterating post reduction 0 with 1 rules applied. Total rules applied 1 place count 1368 transition count 93214
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 1 with 1 rules applied. Total rules applied 2 place count 1367 transition count 93214
Performed 2 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 2 Pre rules applied. Total rules applied 2 place count 1367 transition count 93212
Deduced a syphon composed of 2 places in 48 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 2 with 4 rules applied. Total rules applied 6 place count 1365 transition count 93212
Performed 17 Post agglomeration using F-continuation condition with reduction of 3 identical transitions.
Deduced a syphon composed of 17 places in 50 ms
Reduce places removed 17 places and 0 transitions.
Iterating global reduction 2 with 34 rules applied. Total rules applied 40 place count 1348 transition count 93192
Ensure Unique test removed 439 transitions
Reduce isomorphic transitions removed 439 transitions.
Iterating post reduction 2 with 439 rules applied. Total rules applied 479 place count 1348 transition count 92753
Performed 4 Post agglomeration using F-continuation condition.Transition count delta: 4
Deduced a syphon composed of 4 places in 47 ms
Reduce places removed 4 places and 0 transitions.
Iterating global reduction 3 with 8 rules applied. Total rules applied 487 place count 1344 transition count 92749
Ensure Unique test removed 96 transitions
Reduce isomorphic transitions removed 96 transitions.
Iterating post reduction 3 with 96 rules applied. Total rules applied 583 place count 1344 transition count 92653
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: -1
Deduced a syphon composed of 1 places in 48 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 4 with 2 rules applied. Total rules applied 585 place count 1343 transition count 92654
Ensure Unique test removed 3 transitions
Reduce isomorphic transitions removed 3 transitions.
Iterating post reduction 4 with 3 rules applied. Total rules applied 588 place count 1343 transition count 92651
Applied a total of 588 rules in 2337 ms. Remains 1343 /1369 variables (removed 26) and now considering 92651/93216 (removed 565) transitions.
[2023-03-16 21:21:55] [INFO ] Flow matrix only has 62309 transitions (discarded 30342 similar events)
// Phase 1: matrix 62309 rows 1343 cols
[2023-03-16 21:21:56] [INFO ] Computed 12 place invariants in 204 ms
[2023-03-16 21:21:59] [INFO ] Implicit Places using invariants in 3519 ms returned []
Implicit Place search using SMT only with invariants took 3520 ms to find 0 implicit places.
[2023-03-16 21:21:59] [INFO ] Flow matrix only has 62309 transitions (discarded 30342 similar events)
[2023-03-16 21:21:59] [INFO ] Invariant cache hit.
[2023-03-16 21:22:29] [INFO ] Performed 89541/92651 'is it Dead' test of which 0 returned DEAD in 30 seconds.
[2023-03-16 21:22:30] [INFO ] Dead Transitions using invariants and state equation in 31295 ms found 0 transitions.
Starting structural reductions in SI_LTL mode, iteration 1 : 1343/1369 places, 92651/93216 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 37155 ms. Remains : 1343/1369 places, 92651/93216 transitions.
Stuttering acceptance computed with spot in 84 ms :[(NOT p0), (AND (NOT p0) (NOT p1))]
Running random walk in product with property : RERS2020-PT-pb107-LTLFireability-14 automaton TGBA Formula[mat=[[{ cond=(NOT p0), acceptance={0} source=0 dest: 0}], [{ cond=(AND (NOT p0) (NOT p1)), acceptance={} source=1 dest: 0}, { cond=(AND (NOT p0) p1), acceptance={} source=1 dest: 1}]], initial=1, aps=[p0:(AND (EQ s259 1) (EQ s1001 1)), p1:(AND (EQ s445 1) (EQ s1058 1))], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, deterministic, no-univ-branch, unambiguous, semi-deterministic, stutter-invariant, very-weak, weak, inherently-weak], stateDesc=[null, null][true, true]]
Product exploration explored 100000 steps with 0 reset in 4809 ms.
Stack based approach found an accepted trace after 239 steps with 0 reset with depth 240 and stack size 240 in 17 ms.
FORMULA RERS2020-PT-pb107-LTLFireability-14 FALSE TECHNIQUES STACK_TEST
Treatment of property RERS2020-PT-pb107-LTLFireability-14 finished in 42209 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202303021504/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!((G(F(!p0)) U G(p1)))'
Support contains 4 out of 1369 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 1369/1369 places, 93216/93216 transitions.
Reduce places removed 1 places and 1 transitions.
Drop transitions removed 1 transitions
Trivial Post-agglo rules discarded 1 transitions
Performed 1 trivial Post agglomeration. Transition count delta: 1
Iterating post reduction 0 with 1 rules applied. Total rules applied 1 place count 1368 transition count 93214
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 1 with 1 rules applied. Total rules applied 2 place count 1367 transition count 93214
Performed 2 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 2 Pre rules applied. Total rules applied 2 place count 1367 transition count 93212
Deduced a syphon composed of 2 places in 46 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 2 with 4 rules applied. Total rules applied 6 place count 1365 transition count 93212
Performed 17 Post agglomeration using F-continuation condition with reduction of 3 identical transitions.
Deduced a syphon composed of 17 places in 46 ms
Reduce places removed 17 places and 0 transitions.
Iterating global reduction 2 with 34 rules applied. Total rules applied 40 place count 1348 transition count 93192
Ensure Unique test removed 439 transitions
Reduce isomorphic transitions removed 439 transitions.
Iterating post reduction 2 with 439 rules applied. Total rules applied 479 place count 1348 transition count 92753
Performed 4 Post agglomeration using F-continuation condition.Transition count delta: 4
Deduced a syphon composed of 4 places in 46 ms
Reduce places removed 4 places and 0 transitions.
Iterating global reduction 3 with 8 rules applied. Total rules applied 487 place count 1344 transition count 92749
Ensure Unique test removed 96 transitions
Reduce isomorphic transitions removed 96 transitions.
Iterating post reduction 3 with 96 rules applied. Total rules applied 583 place count 1344 transition count 92653
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: -1
Deduced a syphon composed of 1 places in 46 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 4 with 2 rules applied. Total rules applied 585 place count 1343 transition count 92654
Ensure Unique test removed 3 transitions
Reduce isomorphic transitions removed 3 transitions.
Iterating post reduction 4 with 3 rules applied. Total rules applied 588 place count 1343 transition count 92651
Applied a total of 588 rules in 1977 ms. Remains 1343 /1369 variables (removed 26) and now considering 92651/93216 (removed 565) transitions.
[2023-03-16 21:22:37] [INFO ] Flow matrix only has 62309 transitions (discarded 30342 similar events)
[2023-03-16 21:22:37] [INFO ] Invariant cache hit.
[2023-03-16 21:22:41] [INFO ] Implicit Places using invariants in 3367 ms returned []
Implicit Place search using SMT only with invariants took 3368 ms to find 0 implicit places.
[2023-03-16 21:22:41] [INFO ] Flow matrix only has 62309 transitions (discarded 30342 similar events)
[2023-03-16 21:22:41] [INFO ] Invariant cache hit.
[2023-03-16 21:23:11] [INFO ] Performed 90241/92651 'is it Dead' test of which 0 returned DEAD in 30 seconds.
[2023-03-16 21:23:12] [INFO ] Dead Transitions using invariants and state equation in 31031 ms found 0 transitions.
Starting structural reductions in SI_LTL mode, iteration 1 : 1343/1369 places, 92651/93216 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 36378 ms. Remains : 1343/1369 places, 92651/93216 transitions.
Stuttering acceptance computed with spot in 98 ms :[(NOT p1), p0, (AND p0 p1)]
Running random walk in product with property : RERS2020-PT-pb107-LTLFireability-15 automaton TGBA Formula[mat=[[{ cond=p1, acceptance={} source=0 dest: 0}, { cond=(NOT p1), acceptance={0} source=0 dest: 0}, { cond=(AND (NOT p1) p0), acceptance={} source=0 dest: 1}, { cond=(NOT p1), acceptance={} source=0 dest: 2}], [{ cond=p0, acceptance={0} source=1 dest: 1}], [{ cond=(AND p1 p0), acceptance={} source=2 dest: 1}, { cond=p1, acceptance={} source=2 dest: 2}]], initial=0, aps=[p1:(AND (EQ s1068 1) (EQ s1322 1)), p0:(AND (EQ s840 1) (EQ s1058 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 33200 reset in 4228 ms.
Product exploration explored 100000 steps with 33428 reset in 4272 ms.
Computed a total of 257 stabilizing places and 30632 stable transitions
Computed a total of 257 stabilizing places and 30632 stable transitions
Knowledge obtained : [(AND (NOT p1) (NOT p0)), (X (NOT (AND (NOT p1) p0))), (X (NOT (AND p1 p0))), (X (NOT p0)), (X (NOT p1)), (X (X (NOT (AND (NOT p1) p0)))), (X (X (NOT (AND p1 p0)))), (X (X (NOT p0))), (X (X (NOT p1)))]
False Knowledge obtained : []
Knowledge based reduction with 9 factoid took 305 ms. Reduced automaton from 3 states, 7 edges and 2 AP (stutter insensitive) to 3 states, 7 edges and 2 AP (stutter insensitive).
Stuttering acceptance computed with spot in 96 ms :[(NOT p1), p0, (AND p0 p1)]
Incomplete random walk after 10000 steps, including 3 resets, run finished after 627 ms. (steps per millisecond=15 ) properties (out of 4) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 71 ms. (steps per millisecond=140 ) properties (out of 4) seen :0
Incomplete Best-First random walk after 10001 steps, including 4 resets, run finished after 73 ms. (steps per millisecond=137 ) properties (out of 4) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 71 ms. (steps per millisecond=140 ) properties (out of 4) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 62 ms. (steps per millisecond=161 ) properties (out of 4) seen :0
Interrupted probabilistic random walk after 8361 steps, run timeout after 3002 ms. (steps per millisecond=2 ) properties seen :{}
Probabilistic random walk after 8361 steps, saw 5917 distinct states, run finished after 3002 ms. (steps per millisecond=2 ) properties seen :0
Running SMT prover for 4 properties.
[2023-03-16 21:23:25] [INFO ] Flow matrix only has 62309 transitions (discarded 30342 similar events)
[2023-03-16 21:23:25] [INFO ] Invariant cache hit.
[2023-03-16 21:23:25] [INFO ] [Real]Absence check using 12 positive place invariants in 10 ms returned sat
TIME LIMIT: Killed by timeout after 3600 seconds
MemTotal: 16393216 kB
MemFree: 844328 kB
After kill :
MemTotal: 16393216 kB
MemFree: 15938836 kB

BK_TIME_CONFINEMENT_REACHED

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

+ export BINDIR=/home/mcc/BenchKit/bin//../itstools/bin//../
+ BINDIR=/home/mcc/BenchKit/bin//../itstools/bin//../
++ pwd
+ export MODEL=/home/mcc/execution
+ MODEL=/home/mcc/execution
+ [[ LTLFireability = StateSpace ]]
+ /home/mcc/BenchKit/bin//../itstools/bin//..//runeclipse.sh /home/mcc/execution LTLFireability -its -ltsmin -greatspnpath /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/ -order META -manyOrder -smt -timeout 3600
+ 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//../itstools/bin//..//itstools/plugins/fr.lip6.move.gal.application.pnmcc_1.0.0.202303021504.jar
+ VERSION=202303021504
+ echo 'Running Version 202303021504'
+ /home/mcc/BenchKit/bin//../itstools/bin//..//itstools/its-tools -pnfolder /home/mcc/execution -examination LTLFireability -its -ltsmin -greatspnpath /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/ -order META -manyOrder -smt -timeout 3600

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="RERS2020-PT-pb107"
export BK_EXAMINATION="LTLFireability"
export BK_TOOL="itstools"
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 itstools"
echo " Input is RERS2020-PT-pb107, 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 r325-tall-167889197000268"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/RERS2020-PT-pb107.tgz
mv RERS2020-PT-pb107 execution
cd execution
if [ "LTLFireability" = "ReachabilityDeadlock" ] || [ "LTLFireability" = "UpperBounds" ] || [ "LTLFireability" = "QuasiLiveness" ] || [ "LTLFireability" = "StableMarking" ] || [ "LTLFireability" = "Liveness" ] || [ "LTLFireability" = "OneSafe" ] || [ "LTLFireability" = "StateSpace" ]; then
rm -f GenericPropertiesVerdict.xml
fi
pwd
ls -lh

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