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.r329-tall-167889201600068.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 ltsminxred
Input is RERS17pb113-PT-9, examination is LTLFireability
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r329-tall-167889201600068
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 15M
-rw-r--r-- 1 mcc users 7.4K Feb 26 18:11 CTLCardinality.txt
-rw-r--r-- 1 mcc users 84K Feb 26 18:11 CTLCardinality.xml
-rw-r--r-- 1 mcc users 7.9K Feb 26 18:10 CTLFireability.txt
-rw-r--r-- 1 mcc users 60K Feb 26 18:10 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K Jan 29 11:41 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 6.4K Jan 29 11:41 GenericPropertiesVerdict.xml
-rw-r--r-- 1 mcc users 3.6K Feb 25 16:38 LTLCardinality.txt
-rw-r--r-- 1 mcc users 25K Feb 25 16:38 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.8K Feb 25 16:38 LTLFireability.txt
-rw-r--r-- 1 mcc users 16K Feb 25 16:38 LTLFireability.xml
-rw-r--r-- 1 mcc users 12K Feb 26 18:15 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 121K Feb 26 18:15 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 13K Feb 26 18:13 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 81K Feb 26 18:13 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.6K Feb 25 16:38 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.6K Feb 25 16:38 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 Mar 5 18:23 equiv_col
-rw-r--r-- 1 mcc users 2 Mar 5 18:23 instance
-rw-r--r-- 1 mcc users 6 Mar 5 18:23 iscolored
-rw-r--r-- 1 mcc users 15M 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 RERS17pb113-PT-9-LTLFireability-00
FORMULA_NAME RERS17pb113-PT-9-LTLFireability-01
FORMULA_NAME RERS17pb113-PT-9-LTLFireability-02
FORMULA_NAME RERS17pb113-PT-9-LTLFireability-03
FORMULA_NAME RERS17pb113-PT-9-LTLFireability-04
FORMULA_NAME RERS17pb113-PT-9-LTLFireability-05
FORMULA_NAME RERS17pb113-PT-9-LTLFireability-06
FORMULA_NAME RERS17pb113-PT-9-LTLFireability-07
FORMULA_NAME RERS17pb113-PT-9-LTLFireability-08
FORMULA_NAME RERS17pb113-PT-9-LTLFireability-09
FORMULA_NAME RERS17pb113-PT-9-LTLFireability-10
FORMULA_NAME RERS17pb113-PT-9-LTLFireability-11
FORMULA_NAME RERS17pb113-PT-9-LTLFireability-12
FORMULA_NAME RERS17pb113-PT-9-LTLFireability-13
FORMULA_NAME RERS17pb113-PT-9-LTLFireability-14
FORMULA_NAME RERS17pb113-PT-9-LTLFireability-15

=== Now, execution of the tool begins

BK_START 1679007327551

bash -c /home/mcc/BenchKit/BenchKit_head.sh 2> STDERR ; echo ; echo -n "BK_STOP " ; date -u +%s%3N
Invoking MCC driver with
BK_TOOL=ltsminxred
BK_EXAMINATION=LTLFireability
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=RERS17pb113-PT-9
Applying reductions before tool ltsmin
Invoking reducer
Running Version 202303021504
[2023-03-16 22:55:29] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, LTLFireability, -timeout, 360, -rebuildPNML]
[2023-03-16 22:55:29] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2023-03-16 22:55:29] [INFO ] Load time of PNML (sax parser for PT used): 627 ms
[2023-03-16 22:55:29] [INFO ] Transformed 639 places.
[2023-03-16 22:55:30] [INFO ] Transformed 31353 transitions.
[2023-03-16 22:55:30] [INFO ] Parsed PT model containing 639 places and 31353 transitions and 125418 arcs in 832 ms.
Parsed 16 properties from file /home/mcc/execution/LTLFireability.xml in 15 ms.
Working with output stream class java.io.PrintStream
Initial state reduction rules removed 2 formulas.
FORMULA RERS17pb113-PT-9-LTLFireability-01 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA RERS17pb113-PT-9-LTLFireability-06 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Support contains 54 out of 639 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 639/639 places, 31353/31353 transitions.
Ensure Unique test removed 12 places
Iterating post reduction 0 with 12 rules applied. Total rules applied 12 place count 627 transition count 31353
Applied a total of 12 rules in 254 ms. Remains 627 /639 variables (removed 12) and now considering 31353/31353 (removed 0) transitions.
[2023-03-16 22:55:30] [INFO ] Flow matrix only has 18326 transitions (discarded 13027 similar events)
// Phase 1: matrix 18326 rows 627 cols
[2023-03-16 22:55:30] [INFO ] Computed 13 place invariants in 113 ms
[2023-03-16 22:55:32] [INFO ] Implicit Places using invariants in 2229 ms returned []
Implicit Place search using SMT only with invariants took 2258 ms to find 0 implicit places.
[2023-03-16 22:55:33] [INFO ] Flow matrix only has 18326 transitions (discarded 13027 similar events)
[2023-03-16 22:55:33] [INFO ] Invariant cache hit.
[2023-03-16 22:55:42] [INFO ] Dead Transitions using invariants and state equation in 9097 ms found 0 transitions.
Starting structural reductions in LTL mode, iteration 1 : 627/639 places, 31353/31353 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 11620 ms. Remains : 627/639 places, 31353/31353 transitions.
Support contains 54 out of 627 places after structural reductions.
[2023-03-16 22:55:43] [INFO ] Flatten gal took : 1051 ms
[2023-03-16 22:55:44] [INFO ] Flatten gal took : 848 ms
[2023-03-16 22:55:46] [INFO ] Input system was already deterministic with 31353 transitions.
Support contains 52 out of 627 places (down from 54) after GAL structural reductions.
Incomplete random walk after 10000 steps, including 2 resets, run finished after 747 ms. (steps per millisecond=13 ) properties (out of 27) seen :4
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 20 ms. (steps per millisecond=50 ) properties (out of 23) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 12 ms. (steps per millisecond=83 ) properties (out of 23) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 11 ms. (steps per millisecond=91 ) properties (out of 23) 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 23) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 11 ms. (steps per millisecond=91 ) properties (out of 23) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 12 ms. (steps per millisecond=83 ) properties (out of 23) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 12 ms. (steps per millisecond=83 ) properties (out of 23) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 12 ms. (steps per millisecond=83 ) properties (out of 23) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 11 ms. (steps per millisecond=91 ) properties (out of 23) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 11 ms. (steps per millisecond=91 ) properties (out of 23) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 11 ms. (steps per millisecond=91 ) properties (out of 23) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 11 ms. (steps per millisecond=91 ) properties (out of 23) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 12 ms. (steps per millisecond=83 ) properties (out of 23) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 10 ms. (steps per millisecond=100 ) properties (out of 23) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 11 ms. (steps per millisecond=91 ) properties (out of 23) 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 23) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 12 ms. (steps per millisecond=83 ) properties (out of 23) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 11 ms. (steps per millisecond=91 ) properties (out of 23) seen :0
Incomplete Best-First random walk after 1000 steps, including 2 resets, run finished after 11 ms. (steps per millisecond=90 ) properties (out of 23) seen :0
Incomplete Best-First random walk after 1000 steps, including 2 resets, run finished after 11 ms. (steps per millisecond=90 ) properties (out of 23) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 11 ms. (steps per millisecond=91 ) properties (out of 23) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 11 ms. (steps per millisecond=91 ) properties (out of 23) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 10 ms. (steps per millisecond=100 ) properties (out of 23) seen :0
Running SMT prover for 23 properties.
[2023-03-16 22:55:47] [INFO ] Flow matrix only has 18326 transitions (discarded 13027 similar events)
[2023-03-16 22:55:47] [INFO ] Invariant cache hit.
[2023-03-16 22:55:48] [INFO ] [Real]Absence check using 13 positive place invariants in 13 ms returned sat
[2023-03-16 22:56:06] [INFO ] After 19038ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:23
[2023-03-16 22:56:07] [INFO ] [Nat]Absence check using 13 positive place invariants in 7 ms returned sat
[2023-03-16 22:56:31] [INFO ] After 24403ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :22
[2023-03-16 22:56:32] [INFO ] State equation strengthened by 829 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:350)
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 22:56:32] [WARNING] SMT solver failed with error :SMT solver raised an error when submitting script.... while checking expressions.
[2023-03-16 22:56:32] [INFO ] After 25311ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :0 real:23
Fused 23 Parikh solutions to 7 different solutions.
Parikh walk visited 0 properties in 65 ms.
Support contains 45 out of 627 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 627/627 places, 31353/31353 transitions.
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 0 with 1 rules applied. Total rules applied 1 place count 626 transition count 31352
Applied a total of 1 rules in 552 ms. Remains 626 /627 variables (removed 1) and now considering 31352/31353 (removed 1) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 554 ms. Remains : 626/627 places, 31352/31353 transitions.
Incomplete random walk after 10000 steps, including 2 resets, run finished after 563 ms. (steps per millisecond=17 ) properties (out of 23) seen :3
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 10 ms. (steps per millisecond=100 ) properties (out of 20) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 9 ms. (steps per millisecond=111 ) properties (out of 20) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 10 ms. (steps per millisecond=100 ) properties (out of 20) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 10 ms. (steps per millisecond=100 ) properties (out of 20) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 10 ms. (steps per millisecond=100 ) properties (out of 20) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 9 ms. (steps per millisecond=111 ) properties (out of 20) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 10 ms. (steps per millisecond=100 ) properties (out of 20) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 9 ms. (steps per millisecond=111 ) properties (out of 20) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 9 ms. (steps per millisecond=111 ) properties (out of 20) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 8 ms. (steps per millisecond=125 ) properties (out of 20) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 8 ms. (steps per millisecond=125 ) properties (out of 20) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 8 ms. (steps per millisecond=125 ) properties (out of 20) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 8 ms. (steps per millisecond=125 ) properties (out of 20) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 8 ms. (steps per millisecond=125 ) properties (out of 20) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 8 ms. (steps per millisecond=125 ) properties (out of 20) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 9 ms. (steps per millisecond=111 ) properties (out of 20) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 8 ms. (steps per millisecond=125 ) properties (out of 20) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 8 ms. (steps per millisecond=125 ) properties (out of 20) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 7 ms. (steps per millisecond=143 ) properties (out of 20) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 7 ms. (steps per millisecond=143 ) properties (out of 20) seen :0
Running SMT prover for 20 properties.
[2023-03-16 22:56:33] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
// Phase 1: matrix 18325 rows 626 cols
[2023-03-16 22:56:33] [INFO ] Computed 13 place invariants in 71 ms
[2023-03-16 22:56:34] [INFO ] [Real]Absence check using 13 positive place invariants in 6 ms returned sat
[2023-03-16 22:56:57] [INFO ] After 22940ms SMT Verify possible using state equation in real domain returned unsat :0 sat :1 real:19
[2023-03-16 22:56:57] [INFO ] State equation strengthened by 268 read => feed constraints.
[2023-03-16 22:56:58] [INFO ] After 1238ms SMT Verify possible using 268 Read/Feed constraints in real domain returned unsat :0 sat :0 real:19
[2023-03-16 22:56:58] [INFO ] After 25037ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:19
[2023-03-16 22:56:59] [INFO ] [Nat]Absence check using 13 positive place invariants in 7 ms returned sat
[2023-03-16 22:57:20] [INFO ] After 20773ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :20
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.checkResults(DeadlockTester.java:797)
at fr.lip6.move.gal.structural.smt.DeadlockTester.verifyPossible(DeadlockTester.java:644)
at fr.lip6.move.gal.structural.smt.DeadlockTester.testUnreachableWithSMTIncremental(DeadlockTester.java:350)
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 22:57:23] [WARNING] SMT solver failed with error :SMT solver raised an error when submitting script.... while checking expressions.
[2023-03-16 22:57:23] [INFO ] After 25032ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :0 real:19
Parikh walk visited 0 properties in 121 ms.
Support contains 41 out of 626 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 626/626 places, 31352/31352 transitions.
Applied a total of 0 rules in 186 ms. Remains 626 /626 variables (removed 0) and now considering 31352/31352 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 186 ms. Remains : 626/626 places, 31352/31352 transitions.
Incomplete random walk after 10000 steps, including 2 resets, run finished after 356 ms. (steps per millisecond=28 ) properties (out of 20) seen :3
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 7 ms. (steps per millisecond=143 ) properties (out of 17) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 7 ms. (steps per millisecond=143 ) properties (out of 17) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 8 ms. (steps per millisecond=125 ) properties (out of 17) seen :0
Incomplete Best-First random walk after 1000 steps, including 2 resets, run finished after 8 ms. (steps per millisecond=125 ) properties (out of 17) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 8 ms. (steps per millisecond=125 ) properties (out of 17) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 8 ms. (steps per millisecond=125 ) properties (out of 17) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 8 ms. (steps per millisecond=125 ) properties (out of 17) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 8 ms. (steps per millisecond=125 ) properties (out of 17) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 8 ms. (steps per millisecond=125 ) properties (out of 17) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 7 ms. (steps per millisecond=143 ) properties (out of 17) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 8 ms. (steps per millisecond=125 ) properties (out of 17) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 8 ms. (steps per millisecond=125 ) properties (out of 17) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 8 ms. (steps per millisecond=125 ) properties (out of 17) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 7 ms. (steps per millisecond=143 ) properties (out of 17) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 8 ms. (steps per millisecond=125 ) properties (out of 17) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 8 ms. (steps per millisecond=125 ) properties (out of 17) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 8 ms. (steps per millisecond=125 ) properties (out of 17) seen :0
Running SMT prover for 17 properties.
[2023-03-16 22:57:24] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
[2023-03-16 22:57:24] [INFO ] Invariant cache hit.
[2023-03-16 22:57:25] [INFO ] [Real]Absence check using 13 positive place invariants in 7 ms returned sat
[2023-03-16 22:57:47] [INFO ] After 22537ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:17
[2023-03-16 22:57:47] [INFO ] [Nat]Absence check using 13 positive place invariants in 7 ms returned sat
[2023-03-16 22:58:10] [INFO ] After 23100ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :17
[2023-03-16 22:58:10] [INFO ] State equation strengthened by 268 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.checkResults(DeadlockTester.java:797)
at fr.lip6.move.gal.structural.smt.DeadlockTester.verifyPossible(DeadlockTester.java:644)
at fr.lip6.move.gal.structural.smt.DeadlockTester.testUnreachableWithSMTIncremental(DeadlockTester.java:350)
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 22:58:12] [WARNING] SMT solver failed with error :SMT solver raised an error when submitting script.... while checking expressions.
[2023-03-16 22:58:12] [INFO ] After 25032ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :0 real:17
Parikh walk visited 0 properties in 96 ms.
Support contains 35 out of 626 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 626/626 places, 31352/31352 transitions.
Applied a total of 0 rules in 192 ms. Remains 626 /626 variables (removed 0) and now considering 31352/31352 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 192 ms. Remains : 626/626 places, 31352/31352 transitions.
Computed a total of 1 stabilizing places and 1 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(F(p0)))'
Support contains 2 out of 627 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 627/627 places, 31353/31353 transitions.
Applied a total of 0 rules in 75 ms. Remains 627 /627 variables (removed 0) and now considering 31353/31353 (removed 0) transitions.
[2023-03-16 22:58:13] [INFO ] Flow matrix only has 18326 transitions (discarded 13027 similar events)
// Phase 1: matrix 18326 rows 627 cols
[2023-03-16 22:58:13] [INFO ] Computed 13 place invariants in 63 ms
[2023-03-16 22:58:15] [INFO ] Implicit Places using invariants in 2151 ms returned []
Implicit Place search using SMT only with invariants took 2157 ms to find 0 implicit places.
[2023-03-16 22:58:15] [INFO ] Flow matrix only has 18326 transitions (discarded 13027 similar events)
[2023-03-16 22:58:15] [INFO ] Invariant cache hit.
[2023-03-16 22:58:24] [INFO ] Dead Transitions using invariants and state equation in 8913 ms found 0 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 11149 ms. Remains : 627/627 places, 31353/31353 transitions.
Stuttering acceptance computed with spot in 185 ms :[(NOT p0), (NOT p0)]
Running random walk in product with property : RERS17pb113-PT-9-LTLFireability-00 automaton TGBA Formula[mat=[[{ cond=true, acceptance={} source=0 dest: 1}], [{ cond=(NOT p0), acceptance={0} source=1 dest: 1}]], initial=0, aps=[p0:(AND (GEQ s538 1) (GEQ s539 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]]
Product exploration explored 100000 steps with 0 reset in 2909 ms.
Product exploration explored 100000 steps with 1 reset in 3001 ms.
Computed a total of 1 stabilizing places and 1 stable transitions
Computed a total of 1 stabilizing places and 1 stable transitions
Knowledge obtained : [(NOT p0), (X (NOT p0)), (X (X (NOT p0)))]
False Knowledge obtained : []
Knowledge based reduction with 3 factoid took 130 ms. Reduced automaton from 2 states, 2 edges and 1 AP (stutter sensitive) to 1 states, 1 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 26 ms :[(NOT p0)]
Incomplete random walk after 10000 steps, including 2 resets, run finished after 255 ms. (steps per millisecond=39 ) properties (out of 1) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 22 ms. (steps per millisecond=454 ) properties (out of 1) seen :0
Interrupted probabilistic random walk after 24555 steps, run timeout after 3001 ms. (steps per millisecond=8 ) properties seen :{}
Probabilistic random walk after 24555 steps, saw 22263 distinct states, run finished after 3002 ms. (steps per millisecond=8 ) properties seen :0
Running SMT prover for 1 properties.
[2023-03-16 22:58:34] [INFO ] Flow matrix only has 18326 transitions (discarded 13027 similar events)
[2023-03-16 22:58:34] [INFO ] Invariant cache hit.
[2023-03-16 22:58:34] [INFO ] [Real]Absence check using 13 positive place invariants in 6 ms returned sat
[2023-03-16 22:58:49] [INFO ] After 15624ms SMT Verify possible using state equation in real domain returned unsat :0 sat :1
[2023-03-16 22:58:49] [INFO ] State equation strengthened by 829 read => feed constraints.
[2023-03-16 22:58:59] [INFO ] After 9167ms SMT Verify possible using 829 Read/Feed constraints in real domain returned unsat :0 sat :0
[2023-03-16 22:58:59] [INFO ] After 25032ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0
Parikh walk visited 0 properties in 6 ms.
Support contains 2 out of 627 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 627/627 places, 31353/31353 transitions.
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 0 with 1 rules applied. Total rules applied 1 place count 626 transition count 31352
Applied a total of 1 rules in 378 ms. Remains 626 /627 variables (removed 1) and now considering 31352/31353 (removed 1) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 382 ms. Remains : 626/627 places, 31352/31353 transitions.
Incomplete random walk after 10000 steps, including 2 resets, run finished after 310 ms. (steps per millisecond=32 ) properties (out of 1) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 27 ms. (steps per millisecond=370 ) properties (out of 1) seen :0
Interrupted probabilistic random walk after 23339 steps, run timeout after 3001 ms. (steps per millisecond=7 ) properties seen :{}
Probabilistic random walk after 23339 steps, saw 21197 distinct states, run finished after 3003 ms. (steps per millisecond=7 ) properties seen :0
Running SMT prover for 1 properties.
[2023-03-16 22:59:02] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
// Phase 1: matrix 18325 rows 626 cols
[2023-03-16 22:59:02] [INFO ] Computed 13 place invariants in 59 ms
[2023-03-16 22:59:03] [INFO ] [Real]Absence check using 13 positive place invariants in 5 ms returned sat
[2023-03-16 22:59:18] [INFO ] After 15309ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
[2023-03-16 22:59:18] [INFO ] [Nat]Absence check using 13 positive place invariants in 6 ms returned sat
[2023-03-16 22:59:34] [INFO ] After 15667ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
[2023-03-16 22:59:34] [INFO ] State equation strengthened by 268 read => feed constraints.
[2023-03-16 22:59:40] [INFO ] After 6128ms SMT Verify possible using 268 Read/Feed constraints in natural domain returned unsat :0 sat :1
[2023-03-16 22:59:42] [INFO ] Deduced a trap composed of 64 places in 1636 ms of which 6 ms to minimize.
[2023-03-16 22:59:44] [INFO ] Deduced a trap composed of 64 places in 1630 ms of which 1 ms to minimize.
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.refineWithTraps(DeadlockTester.java:1255)
at fr.lip6.move.gal.structural.smt.DeadlockTester.refineResultsWithTraps(DeadlockTester.java:736)
at fr.lip6.move.gal.structural.smt.DeadlockTester.verifyPossible(DeadlockTester.java:656)
at fr.lip6.move.gal.structural.smt.DeadlockTester.testUnreachableWithSMTIncremental(DeadlockTester.java:350)
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 22:59:44] [WARNING] SMT solver failed with error :SMT solver raised an error when submitting script.... while checking expressions.
[2023-03-16 22:59:44] [INFO ] After 26033ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :0 real:1
Parikh walk visited 0 properties in 4 ms.
Support contains 2 out of 626 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 626/626 places, 31352/31352 transitions.
Applied a total of 0 rules in 193 ms. Remains 626 /626 variables (removed 0) and now considering 31352/31352 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 193 ms. Remains : 626/626 places, 31352/31352 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 626/626 places, 31352/31352 transitions.
Applied a total of 0 rules in 162 ms. Remains 626 /626 variables (removed 0) and now considering 31352/31352 (removed 0) transitions.
[2023-03-16 22:59:44] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
[2023-03-16 22:59:44] [INFO ] Invariant cache hit.
[2023-03-16 22:59:46] [INFO ] Implicit Places using invariants in 1912 ms returned []
Implicit Place search using SMT only with invariants took 1931 ms to find 0 implicit places.
[2023-03-16 22:59:46] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
[2023-03-16 22:59:46] [INFO ] Invariant cache hit.
[2023-03-16 22:59:56] [INFO ] Dead Transitions using invariants and state equation in 9448 ms found 0 transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 11554 ms. Remains : 626/626 places, 31352/31352 transitions.
Ensure Unique test removed 13027 transitions
Reduce isomorphic transitions removed 13027 transitions.
Iterating post reduction 0 with 13027 rules applied. Total rules applied 13027 place count 626 transition count 18325
Applied a total of 13027 rules in 824 ms. Remains 626 /626 variables (removed 0) and now considering 18325/31352 (removed 13027) transitions.
Running SMT prover for 1 properties.
// Phase 1: matrix 18325 rows 626 cols
[2023-03-16 22:59:57] [INFO ] Computed 13 place invariants in 53 ms
[2023-03-16 22:59:57] [INFO ] [Real]Absence check using 13 positive place invariants in 8 ms returned sat
[2023-03-16 23:00:10] [INFO ] After 13495ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
[2023-03-16 23:00:10] [INFO ] [Nat]Absence check using 13 positive place invariants in 6 ms returned sat
[2023-03-16 23:00:23] [INFO ] After 12853ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
[2023-03-16 23:00:24] [INFO ] After 13658ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
Attempting to minimize the solution found.
Minimization took 629 ms.
[2023-03-16 23:00:24] [INFO ] After 14403ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
Knowledge obtained : [(NOT p0), (X (NOT p0)), (X (X (NOT p0)))]
False Knowledge obtained : []
Knowledge based reduction with 3 factoid took 115 ms. Reduced automaton from 1 states, 1 edges and 1 AP (stutter insensitive) to 1 states, 1 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 29 ms :[(NOT p0)]
Stuttering acceptance computed with spot in 38 ms :[(NOT p0)]
[2023-03-16 23:00:25] [INFO ] Flow matrix only has 18326 transitions (discarded 13027 similar events)
// Phase 1: matrix 18326 rows 627 cols
[2023-03-16 23:00:25] [INFO ] Computed 13 place invariants in 42 ms
Could not prove EG (NOT p0)
Support contains 2 out of 627 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 627/627 places, 31353/31353 transitions.
Reduce places removed 1 places and 1 transitions.
Applied a total of 0 rules in 245 ms. Remains 626 /627 variables (removed 1) and now considering 31352/31353 (removed 1) transitions.
[2023-03-16 23:00:40] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
// Phase 1: matrix 18325 rows 626 cols
[2023-03-16 23:00:40] [INFO ] Computed 13 place invariants in 42 ms
[2023-03-16 23:00:42] [INFO ] Implicit Places using invariants in 1843 ms returned []
Implicit Place search using SMT only with invariants took 1862 ms to find 0 implicit places.
[2023-03-16 23:00:42] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
[2023-03-16 23:00:42] [INFO ] Invariant cache hit.
[2023-03-16 23:00:51] [INFO ] Dead Transitions using invariants and state equation in 9208 ms found 0 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 11342 ms. Remains : 626/627 places, 31352/31353 transitions.
Computed a total of 0 stabilizing places and 0 stable transitions
Computed a total of 0 stabilizing places and 0 stable transitions
Knowledge obtained : [(NOT p0), (X (NOT p0)), (X (X (NOT p0)))]
False Knowledge obtained : []
Knowledge based reduction with 3 factoid took 146 ms. Reduced automaton from 1 states, 1 edges and 1 AP (stutter insensitive) to 1 states, 1 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 87 ms :[(NOT p0)]
Incomplete random walk after 10000 steps, including 2 resets, run finished after 244 ms. (steps per millisecond=40 ) properties (out of 1) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 20 ms. (steps per millisecond=500 ) properties (out of 1) seen :0
Interrupted probabilistic random walk after 24849 steps, run timeout after 3001 ms. (steps per millisecond=8 ) properties seen :{}
Probabilistic random walk after 24849 steps, saw 22544 distinct states, run finished after 3001 ms. (steps per millisecond=8 ) properties seen :0
Running SMT prover for 1 properties.
[2023-03-16 23:00:55] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
[2023-03-16 23:00:55] [INFO ] Invariant cache hit.
[2023-03-16 23:00:55] [INFO ] [Real]Absence check using 13 positive place invariants in 5 ms returned sat
[2023-03-16 23:01:12] [INFO ] After 16723ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
[2023-03-16 23:01:12] [INFO ] [Nat]Absence check using 13 positive place invariants in 5 ms returned sat
[2023-03-16 23:01:28] [INFO ] After 16145ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
[2023-03-16 23:01:28] [INFO ] State equation strengthened by 268 read => feed constraints.
[2023-03-16 23:01:37] [INFO ] After 8704ms SMT Verify possible using 268 Read/Feed constraints in natural domain returned unsat :0 sat :0
[2023-03-16 23:01:37] [INFO ] After 25041ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :0
Parikh walk visited 0 properties in 9 ms.
Support contains 2 out of 626 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 626/626 places, 31352/31352 transitions.
Applied a total of 0 rules in 160 ms. Remains 626 /626 variables (removed 0) and now considering 31352/31352 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 160 ms. Remains : 626/626 places, 31352/31352 transitions.
Incomplete random walk after 10000 steps, including 2 resets, run finished after 221 ms. (steps per millisecond=45 ) properties (out of 1) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 30 ms. (steps per millisecond=333 ) properties (out of 1) seen :0
Interrupted probabilistic random walk after 24411 steps, run timeout after 3002 ms. (steps per millisecond=8 ) properties seen :{}
Probabilistic random walk after 24411 steps, saw 22160 distinct states, run finished after 3002 ms. (steps per millisecond=8 ) properties seen :0
Running SMT prover for 1 properties.
[2023-03-16 23:01:40] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
[2023-03-16 23:01:40] [INFO ] Invariant cache hit.
[2023-03-16 23:01:40] [INFO ] [Real]Absence check using 13 positive place invariants in 6 ms returned sat
[2023-03-16 23:01:58] [INFO ] After 17470ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
[2023-03-16 23:01:58] [INFO ] [Nat]Absence check using 13 positive place invariants in 5 ms returned sat
[2023-03-16 23:02:15] [INFO ] After 17562ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
[2023-03-16 23:02:16] [INFO ] State equation strengthened by 268 read => feed constraints.
[2023-03-16 23:02:23] [INFO ] After 7257ms SMT Verify possible using 268 Read/Feed constraints in natural domain returned unsat :0 sat :0
[2023-03-16 23:02:23] [INFO ] After 25034ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :0
Parikh walk visited 0 properties in 9 ms.
Support contains 2 out of 626 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 626/626 places, 31352/31352 transitions.
Applied a total of 0 rules in 178 ms. Remains 626 /626 variables (removed 0) and now considering 31352/31352 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 178 ms. Remains : 626/626 places, 31352/31352 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 626/626 places, 31352/31352 transitions.
Applied a total of 0 rules in 182 ms. Remains 626 /626 variables (removed 0) and now considering 31352/31352 (removed 0) transitions.
[2023-03-16 23:02:23] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
[2023-03-16 23:02:23] [INFO ] Invariant cache hit.
[2023-03-16 23:02:25] [INFO ] Implicit Places using invariants in 1855 ms returned []
Implicit Place search using SMT only with invariants took 1856 ms to find 0 implicit places.
[2023-03-16 23:02:25] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
[2023-03-16 23:02:25] [INFO ] Invariant cache hit.
[2023-03-16 23:02:34] [INFO ] Dead Transitions using invariants and state equation in 8925 ms found 0 transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 10969 ms. Remains : 626/626 places, 31352/31352 transitions.
Knowledge obtained : [(NOT p0), (X (NOT p0)), (X (X (NOT p0)))]
False Knowledge obtained : []
Knowledge based reduction with 3 factoid took 179 ms. Reduced automaton from 1 states, 1 edges and 1 AP (stutter insensitive) to 1 states, 1 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 40 ms :[(NOT p0)]
Stuttering acceptance computed with spot in 39 ms :[(NOT p0)]
[2023-03-16 23:02:34] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
[2023-03-16 23:02:34] [INFO ] Invariant cache hit.
Could not prove EG (NOT p0)
Stuttering acceptance computed with spot in 46 ms :[(NOT p0)]
Product exploration explored 100000 steps with 1 reset in 2866 ms.
Product exploration explored 100000 steps with 0 reset in 3000 ms.
Support contains 2 out of 626 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 626/626 places, 31352/31352 transitions.
Applied a total of 0 rules in 163 ms. Remains 626 /626 variables (removed 0) and now considering 31352/31352 (removed 0) transitions.
[2023-03-16 23:02:56] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
[2023-03-16 23:02:56] [INFO ] Invariant cache hit.
[2023-03-16 23:02:58] [INFO ] Implicit Places using invariants in 2016 ms returned []
Implicit Place search using SMT only with invariants took 2017 ms to find 0 implicit places.
[2023-03-16 23:02:58] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
[2023-03-16 23:02:58] [INFO ] Invariant cache hit.
[2023-03-16 23:03:07] [INFO ] Dead Transitions using invariants and state equation in 9088 ms found 0 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 11276 ms. Remains : 626/626 places, 31352/31352 transitions.
Treatment of property RERS17pb113-PT-9-LTLFireability-00 finished in 295537 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(p1)))'
Support contains 4 out of 627 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 627/627 places, 31353/31353 transitions.
Applied a total of 0 rules in 67 ms. Remains 627 /627 variables (removed 0) and now considering 31353/31353 (removed 0) transitions.
[2023-03-16 23:03:08] [INFO ] Flow matrix only has 18326 transitions (discarded 13027 similar events)
// Phase 1: matrix 18326 rows 627 cols
[2023-03-16 23:03:08] [INFO ] Computed 13 place invariants in 38 ms
[2023-03-16 23:03:10] [INFO ] Implicit Places using invariants in 1797 ms returned []
Implicit Place search using SMT only with invariants took 1808 ms to find 0 implicit places.
[2023-03-16 23:03:10] [INFO ] Flow matrix only has 18326 transitions (discarded 13027 similar events)
[2023-03-16 23:03:10] [INFO ] Invariant cache hit.
[2023-03-16 23:03:19] [INFO ] Dead Transitions using invariants and state equation in 8790 ms found 0 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 10679 ms. Remains : 627/627 places, 31353/31353 transitions.
Stuttering acceptance computed with spot in 171 ms :[true, (NOT p1), (AND (NOT p1) (NOT p0)), (AND (NOT p0) (NOT p1)), (NOT p0)]
Running random walk in product with property : RERS17pb113-PT-9-LTLFireability-02 automaton TGBA Formula[mat=[[{ cond=true, acceptance={0} source=0 dest: 0}], [{ cond=(NOT p1), acceptance={} source=1 dest: 0}], [{ cond=(NOT p0), acceptance={} source=2 dest: 1}, { cond=p0, acceptance={} source=2 dest: 3}], [{ cond=(AND (NOT p0) (NOT p1)), acceptance={} source=3 dest: 0}, { cond=(AND p0 (NOT p1)), acceptance={} source=3 dest: 4}], [{ cond=(NOT p0), acceptance={} source=4 dest: 0}, { cond=p0, acceptance={} source=4 dest: 4}]], initial=2, aps=[p1:(AND (GEQ s296 1) (GEQ s351 1)), p0:(OR (LT s263 1) (LT s625 1))], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, deterministic, no-univ-branch, unambiguous, semi-deterministic, stutter-sensitive, terminal, very-weak, weak, inherently-weak], stateDesc=[null, null, null, null, null][false, false, false, false, false]]
Entered a terminal (fully accepting) state of product in 30650 steps with 0 reset in 1279 ms.
FORMULA RERS17pb113-PT-9-LTLFireability-02 FALSE TECHNIQUES STUTTER_TEST
Treatment of property RERS17pb113-PT-9-LTLFireability-02 finished in 12220 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202303021504/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X((G(p0)||X(F(p1)))))'
Support contains 4 out of 627 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 627/627 places, 31353/31353 transitions.
Applied a total of 0 rules in 70 ms. Remains 627 /627 variables (removed 0) and now considering 31353/31353 (removed 0) transitions.
[2023-03-16 23:03:20] [INFO ] Flow matrix only has 18326 transitions (discarded 13027 similar events)
[2023-03-16 23:03:20] [INFO ] Invariant cache hit.
[2023-03-16 23:03:22] [INFO ] Implicit Places using invariants in 1836 ms returned []
Implicit Place search using SMT only with invariants took 1850 ms to find 0 implicit places.
[2023-03-16 23:03:22] [INFO ] Flow matrix only has 18326 transitions (discarded 13027 similar events)
[2023-03-16 23:03:22] [INFO ] Invariant cache hit.
[2023-03-16 23:03:32] [INFO ] Dead Transitions using invariants and state equation in 9412 ms found 0 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 11333 ms. Remains : 627/627 places, 31353/31353 transitions.
Stuttering acceptance computed with spot in 136 ms :[(NOT p1), (AND (NOT p1) (NOT p0)), (AND (NOT p1) (NOT p0)), (AND (NOT p1) (NOT p0))]
Running random walk in product with property : RERS17pb113-PT-9-LTLFireability-03 automaton TGBA Formula[mat=[[{ cond=(NOT p1), acceptance={0} source=0 dest: 0}], [{ cond=true, acceptance={} source=1 dest: 2}], [{ cond=(NOT p0), acceptance={} source=2 dest: 0}, { cond=p0, acceptance={} source=2 dest: 3}], [{ cond=(AND (NOT p0) (NOT p1)), acceptance={} source=3 dest: 0}, { cond=(AND p0 (NOT p1)), acceptance={} source=3 dest: 3}]], initial=1, aps=[p1:(OR (LT s58 1) (LT s431 1)), p0:(OR (LT s305 1) (LT s417 1))], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, deterministic, no-univ-branch, unambiguous, semi-deterministic, stutter-sensitive, very-weak, weak, inherently-weak], stateDesc=[null, null, null, null][false, false, false, false]]
Product exploration explored 100000 steps with 33333 reset in 3224 ms.
Product exploration explored 100000 steps with 33333 reset in 3006 ms.
Computed a total of 1 stabilizing places and 1 stable transitions
Computed a total of 1 stabilizing places and 1 stable transitions
Knowledge obtained : [(AND p1 p0), (X p0), (X (X (NOT (AND (NOT p0) (NOT p1))))), (X (X p1)), (X (X (NOT (AND p0 (NOT p1)))))]
False Knowledge obtained : []
Property proved to be true thanks to knowledge :(X (X p1))
Knowledge based reduction with 5 factoid took 95 ms. Reduced automaton from 4 states, 6 edges and 2 AP (stutter sensitive) to 1 states, 0 edges and 0 AP (stutter insensitive).
FORMULA RERS17pb113-PT-9-LTLFireability-03 TRUE TECHNIQUES KNOWLEDGE
Treatment of property RERS17pb113-PT-9-LTLFireability-03 finished in 17959 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)||G((p1&&F(p2))))))'
Support contains 6 out of 627 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 627/627 places, 31353/31353 transitions.
Reduce places removed 1 places and 1 transitions.
Applied a total of 0 rules in 177 ms. Remains 626 /627 variables (removed 1) and now considering 31352/31353 (removed 1) transitions.
[2023-03-16 23:03:38] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
// Phase 1: matrix 18325 rows 626 cols
[2023-03-16 23:03:38] [INFO ] Computed 13 place invariants in 40 ms
[2023-03-16 23:03:40] [INFO ] Implicit Places using invariants in 1815 ms returned []
Implicit Place search using SMT only with invariants took 1820 ms to find 0 implicit places.
[2023-03-16 23:03:40] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
[2023-03-16 23:03:40] [INFO ] Invariant cache hit.
[2023-03-16 23:03:49] [INFO ] Dead Transitions using invariants and state equation in 9067 ms found 0 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 11069 ms. Remains : 626/627 places, 31352/31353 transitions.
Stuttering acceptance computed with spot in 122 ms :[(OR (AND (NOT p0) (NOT p1)) (AND (NOT p0) (NOT p2))), (AND (NOT p0) (NOT p2))]
Running random walk in product with property : RERS17pb113-PT-9-LTLFireability-04 automaton TGBA Formula[mat=[[{ cond=(AND p0 p1), acceptance={} source=0 dest: 0}, { cond=(AND (NOT p0) p1), acceptance={0} source=0 dest: 0}, { cond=(AND p0 (NOT p1)), acceptance={1} source=0 dest: 0}, { cond=(AND (NOT p0) (NOT p1)), acceptance={0, 1} source=0 dest: 0}, { cond=(AND p1 (NOT p2)), acceptance={} source=0 dest: 1}], [{ cond=(AND p0 (NOT p2)), acceptance={1} source=1 dest: 1}, { cond=(AND (NOT p0) (NOT p2)), acceptance={0, 1} source=1 dest: 1}]], initial=0, aps=[p0:(OR (LT s314 1) (LT s494 1)), p1:(OR (LT s200 1) (LT s290 1)), p2:(AND (GEQ s338 1) (GEQ s592 1))], nbAcceptance=2, properties=[trans-labels, explicit-labels, trans-acc, no-univ-branch, stutter-invariant], stateDesc=[null, null][true, true]]
Product exploration explored 100000 steps with 5 reset in 2799 ms.
Product exploration explored 100000 steps with 5 reset in 2972 ms.
Computed a total of 0 stabilizing places and 0 stable transitions
Computed a total of 0 stabilizing places and 0 stable transitions
Knowledge obtained : [(AND p0 p1 (NOT p2)), (X (AND p1 (NOT p2))), (X (NOT (AND (NOT p0) (NOT p1)))), (X (AND p0 p1)), (X (AND p0 (NOT p2))), (X (NOT (AND (NOT p0) (NOT p2)))), (X (NOT (AND (NOT p0) p1))), (X (NOT (AND p0 (NOT p1)))), (X (X (AND p1 (NOT p2)))), (X (X (NOT (AND (NOT p0) (NOT p1))))), (X (X (AND p0 p1))), (X (X (AND p0 (NOT p2)))), (X (X (NOT (AND (NOT p0) (NOT p2))))), (X (X (NOT (AND (NOT p0) p1)))), (X (X (NOT (AND p0 (NOT p1)))))]
False Knowledge obtained : []
Knowledge based reduction with 15 factoid took 640 ms. Reduced automaton from 2 states, 7 edges and 3 AP (stutter insensitive) to 2 states, 7 edges and 3 AP (stutter insensitive).
Stuttering acceptance computed with spot in 78 ms :[(OR (AND (NOT p0) (NOT p1)) (AND (NOT p0) (NOT p2))), (AND (NOT p0) (NOT p2))]
Incomplete random walk after 10000 steps, including 2 resets, run finished after 429 ms. (steps per millisecond=23 ) properties (out of 7) seen :2
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 46 ms. (steps per millisecond=217 ) properties (out of 5) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 30 ms. (steps per millisecond=333 ) properties (out of 5) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 33 ms. (steps per millisecond=303 ) properties (out of 5) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 60 ms. (steps per millisecond=166 ) properties (out of 5) seen :0
Running SMT prover for 5 properties.
[2023-03-16 23:03:57] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
[2023-03-16 23:03:57] [INFO ] Invariant cache hit.
[2023-03-16 23:03:57] [INFO ] [Real]Absence check using 13 positive place invariants in 7 ms returned sat
[2023-03-16 23:04:15] [INFO ] After 18424ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:5
[2023-03-16 23:04:15] [INFO ] [Nat]Absence check using 13 positive place invariants in 6 ms returned sat
[2023-03-16 23:04:38] [INFO ] After 22880ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :5
[2023-03-16 23:04:38] [INFO ] State equation strengthened by 268 read => feed constraints.
[2023-03-16 23:04:40] [INFO ] After 1902ms SMT Verify possible using 268 Read/Feed constraints in natural domain returned unsat :0 sat :4
[2023-03-16 23:04:40] [INFO ] After 1904ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :4
Attempting to minimize the solution found.
Minimization took 13 ms.
[2023-03-16 23:04:40] [INFO ] After 25045ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :4
Parikh walk visited 0 properties in 20 ms.
Support contains 6 out of 626 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 626/626 places, 31352/31352 transitions.
Applied a total of 0 rules in 183 ms. Remains 626 /626 variables (removed 0) and now considering 31352/31352 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 184 ms. Remains : 626/626 places, 31352/31352 transitions.
Incomplete random walk after 10000 steps, including 2 resets, run finished after 295 ms. (steps per millisecond=33 ) properties (out of 5) seen :4
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 23 ms. (steps per millisecond=434 ) properties (out of 1) seen :0
Running SMT prover for 1 properties.
[2023-03-16 23:04:41] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
[2023-03-16 23:04:41] [INFO ] Invariant cache hit.
[2023-03-16 23:04:41] [INFO ] [Real]Absence check using 13 positive place invariants in 6 ms returned sat
[2023-03-16 23:04:59] [INFO ] After 17624ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
[2023-03-16 23:04:59] [INFO ] [Nat]Absence check using 13 positive place invariants in 6 ms returned sat
[2023-03-16 23:05:21] [INFO ] After 21932ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
[2023-03-16 23:05:21] [INFO ] State equation strengthened by 268 read => feed constraints.
[2023-03-16 23:05:24] [INFO ] After 2884ms SMT Verify possible using 268 Read/Feed constraints in natural domain returned unsat :0 sat :0
[2023-03-16 23:05:24] [INFO ] After 25025ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :0
Parikh walk visited 0 properties in 10 ms.
Support contains 4 out of 626 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 626/626 places, 31352/31352 transitions.
Applied a total of 0 rules in 153 ms. Remains 626 /626 variables (removed 0) and now considering 31352/31352 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 154 ms. Remains : 626/626 places, 31352/31352 transitions.
Incomplete random walk after 10000 steps, including 2 resets, run finished after 189 ms. (steps per millisecond=52 ) properties (out of 1) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 39 ms. (steps per millisecond=256 ) properties (out of 1) seen :0
Interrupted probabilistic random walk after 23894 steps, run timeout after 3002 ms. (steps per millisecond=7 ) properties seen :{}
Probabilistic random walk after 23894 steps, saw 21696 distinct states, run finished after 3004 ms. (steps per millisecond=7 ) properties seen :0
Running SMT prover for 1 properties.
[2023-03-16 23:05:27] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
[2023-03-16 23:05:27] [INFO ] Invariant cache hit.
[2023-03-16 23:05:27] [INFO ] [Real]Absence check using 13 positive place invariants in 6 ms returned sat
[2023-03-16 23:05:45] [INFO ] After 18038ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
[2023-03-16 23:05:45] [INFO ] [Nat]Absence check using 13 positive place invariants in 6 ms returned sat
[2023-03-16 23:06:06] [INFO ] After 21094ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
[2023-03-16 23:06:06] [INFO ] State equation strengthened by 268 read => feed constraints.
[2023-03-16 23:06:10] [INFO ] After 3753ms SMT Verify possible using 268 Read/Feed constraints in natural domain returned unsat :0 sat :0
[2023-03-16 23:06:10] [INFO ] After 25036ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :0
Parikh walk visited 0 properties in 6 ms.
Support contains 4 out of 626 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 626/626 places, 31352/31352 transitions.
Applied a total of 0 rules in 173 ms. Remains 626 /626 variables (removed 0) and now considering 31352/31352 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 173 ms. Remains : 626/626 places, 31352/31352 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 626/626 places, 31352/31352 transitions.
Applied a total of 0 rules in 148 ms. Remains 626 /626 variables (removed 0) and now considering 31352/31352 (removed 0) transitions.
[2023-03-16 23:06:10] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
[2023-03-16 23:06:10] [INFO ] Invariant cache hit.
[2023-03-16 23:06:12] [INFO ] Implicit Places using invariants in 1792 ms returned []
Implicit Place search using SMT only with invariants took 1808 ms to find 0 implicit places.
[2023-03-16 23:06:12] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
[2023-03-16 23:06:12] [INFO ] Invariant cache hit.
[2023-03-16 23:06:21] [INFO ] Dead Transitions using invariants and state equation in 8983 ms found 0 transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 10955 ms. Remains : 626/626 places, 31352/31352 transitions.
Knowledge obtained : [(AND p0 p1 (NOT p2)), (X (AND p1 (NOT p2))), (X (NOT (AND (NOT p0) (NOT p1)))), (X (AND p0 p1)), (X (AND p0 (NOT p2))), (X (NOT (AND (NOT p0) (NOT p2)))), (X (NOT (AND (NOT p0) p1))), (X (NOT (AND p0 (NOT p1)))), (X (X (AND p1 (NOT p2)))), (X (X (NOT (AND (NOT p0) (NOT p1))))), (X (X (AND p0 p1))), (X (X (AND p0 (NOT p2)))), (X (X (NOT (AND (NOT p0) (NOT p2))))), (X (X (NOT (AND (NOT p0) p1)))), (X (X (NOT (AND p0 (NOT p1)))))]
False Knowledge obtained : [(F (NOT (AND (NOT p2) p1))), (F (AND (NOT p2) (NOT p0))), (F (NOT (AND (NOT p2) p0))), (F (NOT (AND p0 p1))), (F (AND p0 (NOT p1))), (F (AND (NOT p0) p1))]
Knowledge based reduction with 15 factoid took 775 ms. Reduced automaton from 2 states, 7 edges and 3 AP (stutter insensitive) to 2 states, 7 edges and 3 AP (stutter insensitive).
Stuttering acceptance computed with spot in 85 ms :[(OR (AND (NOT p0) (NOT p1)) (AND (NOT p0) (NOT p2))), (AND (NOT p0) (NOT p2))]
Stuttering acceptance computed with spot in 75 ms :[(OR (AND (NOT p0) (NOT p1)) (AND (NOT p0) (NOT p2))), (AND (NOT p0) (NOT p2))]
Support contains 6 out of 626 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 626/626 places, 31352/31352 transitions.
Applied a total of 0 rules in 168 ms. Remains 626 /626 variables (removed 0) and now considering 31352/31352 (removed 0) transitions.
[2023-03-16 23:06:22] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
[2023-03-16 23:06:22] [INFO ] Invariant cache hit.
[2023-03-16 23:06:24] [INFO ] Implicit Places using invariants in 1965 ms returned []
Implicit Place search using SMT only with invariants took 1969 ms to find 0 implicit places.
[2023-03-16 23:06:24] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
[2023-03-16 23:06:24] [INFO ] Invariant cache hit.
[2023-03-16 23:06:34] [INFO ] Dead Transitions using invariants and state equation in 9429 ms found 0 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 11570 ms. Remains : 626/626 places, 31352/31352 transitions.
Computed a total of 0 stabilizing places and 0 stable transitions
Computed a total of 0 stabilizing places and 0 stable transitions
Knowledge obtained : [(AND p0 p1 (NOT p2)), (X (NOT (AND (NOT p0) (NOT p1)))), (X (AND (NOT p2) p1)), (X (AND p0 p1)), (X (AND (NOT p2) p0)), (X (NOT (AND (NOT p0) p1))), (X (NOT (AND p0 (NOT p1)))), (X (NOT (AND (NOT p2) (NOT p0)))), (X (X (NOT (AND (NOT p0) (NOT p1))))), (X (X (AND (NOT p2) p1))), (X (X (AND p0 p1))), (X (X (AND (NOT p2) p0))), (X (X (NOT (AND (NOT p0) p1)))), (X (X (NOT (AND p0 (NOT p1))))), (X (X (NOT (AND (NOT p2) (NOT p0)))))]
False Knowledge obtained : []
Knowledge based reduction with 15 factoid took 598 ms. Reduced automaton from 2 states, 7 edges and 3 AP (stutter insensitive) to 2 states, 7 edges and 3 AP (stutter insensitive).
Stuttering acceptance computed with spot in 81 ms :[(OR (AND (NOT p0) (NOT p1)) (AND (NOT p0) (NOT p2))), (AND (NOT p0) (NOT p2))]
Incomplete random walk after 10000 steps, including 2 resets, run finished after 366 ms. (steps per millisecond=27 ) properties (out of 7) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 31 ms. (steps per millisecond=322 ) properties (out of 7) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 33 ms. (steps per millisecond=303 ) properties (out of 7) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 31 ms. (steps per millisecond=322 ) properties (out of 7) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 31 ms. (steps per millisecond=322 ) properties (out of 7) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 33 ms. (steps per millisecond=303 ) properties (out of 7) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 31 ms. (steps per millisecond=322 ) properties (out of 7) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 31 ms. (steps per millisecond=322 ) properties (out of 7) seen :0
Interrupted probabilistic random walk after 22919 steps, run timeout after 3001 ms. (steps per millisecond=7 ) properties seen :{}
Probabilistic random walk after 22919 steps, saw 20829 distinct states, run finished after 3003 ms. (steps per millisecond=7 ) properties seen :0
Running SMT prover for 7 properties.
[2023-03-16 23:06:38] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
[2023-03-16 23:06:38] [INFO ] Invariant cache hit.
[2023-03-16 23:06:39] [INFO ] [Real]Absence check using 13 positive place invariants in 7 ms returned sat
[2023-03-16 23:07:00] [INFO ] After 21587ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:7
[2023-03-16 23:07:00] [INFO ] [Nat]Absence check using 13 positive place invariants in 8 ms returned sat
[2023-03-16 23:07:25] [INFO ] After 24762ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :7
[2023-03-16 23:07:25] [INFO ] State equation strengthened by 268 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:350)
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 23:07:25] [WARNING] SMT solver failed with error :SMT solver raised an error when submitting script.... while checking expressions.
[2023-03-16 23:07:25] [INFO ] After 25068ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :0 real:7
Parikh walk visited 0 properties in 30 ms.
Support contains 6 out of 626 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 626/626 places, 31352/31352 transitions.
Applied a total of 0 rules in 186 ms. Remains 626 /626 variables (removed 0) and now considering 31352/31352 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 187 ms. Remains : 626/626 places, 31352/31352 transitions.
Incomplete random walk after 10000 steps, including 2 resets, run finished after 355 ms. (steps per millisecond=28 ) properties (out of 7) seen :3
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 34 ms. (steps per millisecond=294 ) properties (out of 4) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 34 ms. (steps per millisecond=294 ) properties (out of 4) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 33 ms. (steps per millisecond=303 ) properties (out of 4) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 36 ms. (steps per millisecond=277 ) properties (out of 4) seen :0
Running SMT prover for 4 properties.
[2023-03-16 23:07:26] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
[2023-03-16 23:07:26] [INFO ] Invariant cache hit.
[2023-03-16 23:07:26] [INFO ] [Real]Absence check using 13 positive place invariants in 7 ms returned sat
[2023-03-16 23:07:46] [INFO ] After 19641ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:4
[2023-03-16 23:07:46] [INFO ] [Nat]Absence check using 13 positive place invariants in 6 ms returned sat
[2023-03-16 23:08:10] [INFO ] After 24126ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :4
[2023-03-16 23:08:10] [INFO ] State equation strengthened by 268 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.checkResults(DeadlockTester.java:797)
at fr.lip6.move.gal.structural.smt.DeadlockTester.verifyPossible(DeadlockTester.java:644)
at fr.lip6.move.gal.structural.smt.DeadlockTester.testUnreachableWithSMTIncremental(DeadlockTester.java:350)
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 23:08:11] [WARNING] SMT solver failed with error :SMT solver raised an error when submitting script.... while checking expressions.
[2023-03-16 23:08:11] [INFO ] After 25040ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :0 real:4
Parikh walk visited 0 properties in 19 ms.
Support contains 6 out of 626 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 626/626 places, 31352/31352 transitions.
Applied a total of 0 rules in 150 ms. Remains 626 /626 variables (removed 0) and now considering 31352/31352 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 150 ms. Remains : 626/626 places, 31352/31352 transitions.
Incomplete random walk after 10000 steps, including 2 resets, run finished after 284 ms. (steps per millisecond=35 ) properties (out of 4) seen :3
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 31 ms. (steps per millisecond=322 ) properties (out of 1) seen :0
Running SMT prover for 1 properties.
[2023-03-16 23:08:11] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
[2023-03-16 23:08:11] [INFO ] Invariant cache hit.
[2023-03-16 23:08:11] [INFO ] [Real]Absence check using 13 positive place invariants in 6 ms returned sat
[2023-03-16 23:08:30] [INFO ] After 18741ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
[2023-03-16 23:08:30] [INFO ] [Nat]Absence check using 13 positive place invariants in 7 ms returned sat
[2023-03-16 23:08:51] [INFO ] After 20522ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
[2023-03-16 23:08:51] [INFO ] State equation strengthened by 268 read => feed constraints.
[2023-03-16 23:08:54] [INFO ] After 3520ms SMT Verify possible using 268 Read/Feed constraints in natural domain returned unsat :0 sat :1
[2023-03-16 23:08:55] [INFO ] After 4439ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
Attempting to minimize the solution found.
Minimization took 5 ms.
[2023-03-16 23:08:55] [INFO ] After 25172ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
Parikh walk visited 0 properties in 0 ms.
Support contains 4 out of 626 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 626/626 places, 31352/31352 transitions.
Applied a total of 0 rules in 168 ms. Remains 626 /626 variables (removed 0) and now considering 31352/31352 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 168 ms. Remains : 626/626 places, 31352/31352 transitions.
Knowledge obtained : [(AND p0 p1 (NOT p2)), (X (NOT (AND (NOT p0) (NOT p1)))), (X (AND (NOT p2) p1)), (X (AND p0 p1)), (X (AND (NOT p2) p0)), (X (NOT (AND (NOT p0) p1))), (X (NOT (AND p0 (NOT p1)))), (X (NOT (AND (NOT p2) (NOT p0)))), (X (X (NOT (AND (NOT p0) (NOT p1))))), (X (X (AND (NOT p2) p1))), (X (X (AND p0 p1))), (X (X (AND (NOT p2) p0))), (X (X (NOT (AND (NOT p0) p1)))), (X (X (NOT (AND p0 (NOT p1))))), (X (X (NOT (AND (NOT p2) (NOT p0)))))]
False Knowledge obtained : [(F (NOT (AND p1 (NOT p2)))), (F (AND (NOT p0) (NOT p2))), (F (NOT (AND p0 (NOT p2)))), (F (NOT (AND p1 p0))), (F (AND (NOT p1) p0)), (F (AND p1 (NOT p0)))]
Knowledge based reduction with 15 factoid took 728 ms. Reduced automaton from 2 states, 7 edges and 3 AP (stutter insensitive) to 2 states, 7 edges and 3 AP (stutter insensitive).
Stuttering acceptance computed with spot in 108 ms :[(OR (AND (NOT p0) (NOT p1)) (AND (NOT p0) (NOT p2))), (AND (NOT p0) (NOT p2))]
Stuttering acceptance computed with spot in 97 ms :[(OR (AND (NOT p0) (NOT p1)) (AND (NOT p0) (NOT p2))), (AND (NOT p0) (NOT p2))]
Stuttering acceptance computed with spot in 87 ms :[(OR (AND (NOT p0) (NOT p1)) (AND (NOT p0) (NOT p2))), (AND (NOT p0) (NOT p2))]
Product exploration explored 100000 steps with 4 reset in 3525 ms.
Product exploration explored 100000 steps with 3 reset in 2923 ms.
Support contains 6 out of 626 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 626/626 places, 31352/31352 transitions.
Applied a total of 0 rules in 174 ms. Remains 626 /626 variables (removed 0) and now considering 31352/31352 (removed 0) transitions.
[2023-03-16 23:09:03] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
[2023-03-16 23:09:03] [INFO ] Invariant cache hit.
[2023-03-16 23:09:05] [INFO ] Implicit Places using invariants in 1867 ms returned []
Implicit Place search using SMT only with invariants took 1868 ms to find 0 implicit places.
[2023-03-16 23:09:05] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
[2023-03-16 23:09:05] [INFO ] Invariant cache hit.
[2023-03-16 23:09:14] [INFO ] Dead Transitions using invariants and state equation in 9079 ms found 0 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 11124 ms. Remains : 626/626 places, 31352/31352 transitions.
Treatment of property RERS17pb113-PT-9-LTLFireability-04 finished in 336743 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 627 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 627/627 places, 31353/31353 transitions.
Reduce places removed 1 places and 1 transitions.
Applied a total of 0 rules in 181 ms. Remains 626 /627 variables (removed 1) and now considering 31352/31353 (removed 1) transitions.
[2023-03-16 23:09:15] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
[2023-03-16 23:09:15] [INFO ] Invariant cache hit.
[2023-03-16 23:09:17] [INFO ] Implicit Places using invariants in 2044 ms returned []
Implicit Place search using SMT only with invariants took 2045 ms to find 0 implicit places.
[2023-03-16 23:09:17] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
[2023-03-16 23:09:17] [INFO ] Invariant cache hit.
[2023-03-16 23:09:26] [INFO ] Dead Transitions using invariants and state equation in 8974 ms found 0 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 11201 ms. Remains : 626/627 places, 31352/31353 transitions.
Stuttering acceptance computed with spot in 43 ms :[(NOT p0)]
Running random walk in product with property : RERS17pb113-PT-9-LTLFireability-05 automaton TGBA Formula[mat=[[{ cond=p0, acceptance={} source=0 dest: 0}, { cond=(NOT p0), acceptance={0} source=0 dest: 0}]], initial=0, aps=[p0:(AND (GEQ s256 1) (GEQ s605 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 3446 ms.
Product exploration explored 100000 steps with 0 reset in 3539 ms.
Computed a total of 0 stabilizing places and 0 stable transitions
Computed a total of 0 stabilizing places and 0 stable transitions
Knowledge obtained : [(NOT p0), (X (NOT p0)), (X (X (NOT p0)))]
False Knowledge obtained : []
Knowledge based reduction with 3 factoid took 134 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 50 ms :[(NOT p0)]
Incomplete random walk after 10000 steps, including 2 resets, run finished after 254 ms. (steps per millisecond=39 ) properties (out of 1) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 26 ms. (steps per millisecond=384 ) properties (out of 1) seen :0
Interrupted probabilistic random walk after 24608 steps, run timeout after 3001 ms. (steps per millisecond=8 ) properties seen :{}
Probabilistic random walk after 24608 steps, saw 22328 distinct states, run finished after 3002 ms. (steps per millisecond=8 ) properties seen :0
Running SMT prover for 1 properties.
[2023-03-16 23:09:37] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
[2023-03-16 23:09:37] [INFO ] Invariant cache hit.
[2023-03-16 23:09:37] [INFO ] [Real]Absence check using 13 positive place invariants in 6 ms returned sat
[2023-03-16 23:09:55] [INFO ] After 17945ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
[2023-03-16 23:09:55] [INFO ] [Nat]Absence check using 13 positive place invariants in 6 ms returned sat
[2023-03-16 23:10:11] [INFO ] After 15954ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
[2023-03-16 23:10:11] [INFO ] State equation strengthened by 268 read => feed constraints.
[2023-03-16 23:10:18] [INFO ] After 6622ms SMT Verify possible using 268 Read/Feed constraints in natural domain returned unsat :0 sat :1
[2023-03-16 23:10:19] [INFO ] Deduced a trap composed of 48 places in 485 ms of which 2 ms to minimize.
[2023-03-16 23:10:19] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 1318 ms
[2023-03-16 23:10:19] [INFO ] After 8237ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
Attempting to minimize the solution found.
Minimization took 424 ms.
[2023-03-16 23:10:20] [INFO ] After 24838ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
Parikh walk visited 0 properties in 4 ms.
Support contains 2 out of 626 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 626/626 places, 31352/31352 transitions.
Applied a total of 0 rules in 177 ms. Remains 626 /626 variables (removed 0) and now considering 31352/31352 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 177 ms. Remains : 626/626 places, 31352/31352 transitions.
Incomplete random walk after 10000 steps, including 2 resets, run finished after 233 ms. (steps per millisecond=42 ) properties (out of 1) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 20 ms. (steps per millisecond=500 ) properties (out of 1) seen :0
Interrupted probabilistic random walk after 24239 steps, run timeout after 3001 ms. (steps per millisecond=8 ) properties seen :{}
Probabilistic random walk after 24239 steps, saw 22008 distinct states, run finished after 3001 ms. (steps per millisecond=8 ) properties seen :0
Running SMT prover for 1 properties.
[2023-03-16 23:10:23] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
[2023-03-16 23:10:23] [INFO ] Invariant cache hit.
[2023-03-16 23:10:23] [INFO ] [Real]Absence check using 13 positive place invariants in 6 ms returned sat
[2023-03-16 23:10:39] [INFO ] After 15946ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
[2023-03-16 23:10:39] [INFO ] [Nat]Absence check using 13 positive place invariants in 5 ms returned sat
[2023-03-16 23:10:57] [INFO ] After 17106ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
[2023-03-16 23:10:57] [INFO ] State equation strengthened by 268 read => feed constraints.
[2023-03-16 23:11:04] [INFO ] After 7059ms SMT Verify possible using 268 Read/Feed constraints in natural domain returned unsat :0 sat :1
[2023-03-16 23:11:05] [INFO ] Deduced a trap composed of 48 places in 495 ms of which 0 ms to minimize.
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.refineWithTraps(DeadlockTester.java:1255)
at fr.lip6.move.gal.structural.smt.DeadlockTester.refineResultsWithTraps(DeadlockTester.java:736)
at fr.lip6.move.gal.structural.smt.DeadlockTester.verifyPossible(DeadlockTester.java:656)
at fr.lip6.move.gal.structural.smt.DeadlockTester.testUnreachableWithSMTIncremental(DeadlockTester.java:350)
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 23:11:05] [WARNING] SMT solver failed with error :SMT solver raised an error when submitting script.... while checking expressions.
[2023-03-16 23:11:05] [INFO ] After 25286ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :0 real:1
Parikh walk visited 0 properties in 4 ms.
Support contains 2 out of 626 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 626/626 places, 31352/31352 transitions.
Applied a total of 0 rules in 162 ms. Remains 626 /626 variables (removed 0) and now considering 31352/31352 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 162 ms. Remains : 626/626 places, 31352/31352 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 626/626 places, 31352/31352 transitions.
Applied a total of 0 rules in 167 ms. Remains 626 /626 variables (removed 0) and now considering 31352/31352 (removed 0) transitions.
[2023-03-16 23:11:05] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
[2023-03-16 23:11:05] [INFO ] Invariant cache hit.
[2023-03-16 23:11:07] [INFO ] Implicit Places using invariants in 1960 ms returned []
Implicit Place search using SMT only with invariants took 1961 ms to find 0 implicit places.
[2023-03-16 23:11:07] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
[2023-03-16 23:11:07] [INFO ] Invariant cache hit.
[2023-03-16 23:11:16] [INFO ] Dead Transitions using invariants and state equation in 8897 ms found 0 transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 11032 ms. Remains : 626/626 places, 31352/31352 transitions.
Knowledge obtained : [(NOT p0), (X (NOT p0)), (X (X (NOT p0)))]
False Knowledge obtained : []
Knowledge based reduction with 3 factoid took 137 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 44 ms :[(NOT p0)]
Stuttering acceptance computed with spot in 36 ms :[(NOT p0)]
[2023-03-16 23:11:16] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
[2023-03-16 23:11:16] [INFO ] Invariant cache hit.
Could not prove EG (NOT p0)
Support contains 2 out of 626 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 626/626 places, 31352/31352 transitions.
Applied a total of 0 rules in 163 ms. Remains 626 /626 variables (removed 0) and now considering 31352/31352 (removed 0) transitions.
[2023-03-16 23:11:31] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
[2023-03-16 23:11:31] [INFO ] Invariant cache hit.
[2023-03-16 23:11:33] [INFO ] Implicit Places using invariants in 1945 ms returned []
Implicit Place search using SMT only with invariants took 1947 ms to find 0 implicit places.
[2023-03-16 23:11:33] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
[2023-03-16 23:11:33] [INFO ] Invariant cache hit.
[2023-03-16 23:11:43] [INFO ] Dead Transitions using invariants and state equation in 9293 ms found 0 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 11406 ms. Remains : 626/626 places, 31352/31352 transitions.
Computed a total of 0 stabilizing places and 0 stable transitions
Computed a total of 0 stabilizing places and 0 stable transitions
Knowledge obtained : [(NOT p0), (X (NOT p0)), (X (X (NOT p0)))]
False Knowledge obtained : []
Knowledge based reduction with 3 factoid took 137 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)]
Incomplete random walk after 10000 steps, including 2 resets, run finished after 275 ms. (steps per millisecond=36 ) properties (out of 1) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 23 ms. (steps per millisecond=434 ) properties (out of 1) seen :0
Interrupted probabilistic random walk after 24294 steps, run timeout after 3002 ms. (steps per millisecond=8 ) properties seen :{}
Probabilistic random walk after 24294 steps, saw 22057 distinct states, run finished after 3002 ms. (steps per millisecond=8 ) properties seen :0
Running SMT prover for 1 properties.
[2023-03-16 23:11:46] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
[2023-03-16 23:11:46] [INFO ] Invariant cache hit.
[2023-03-16 23:11:46] [INFO ] [Real]Absence check using 13 positive place invariants in 6 ms returned sat
[2023-03-16 23:12:01] [INFO ] After 14915ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
[2023-03-16 23:12:01] [INFO ] [Nat]Absence check using 13 positive place invariants in 5 ms returned sat
[2023-03-16 23:12:16] [INFO ] After 14818ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
[2023-03-16 23:12:16] [INFO ] State equation strengthened by 268 read => feed constraints.
[2023-03-16 23:12:23] [INFO ] After 6627ms SMT Verify possible using 268 Read/Feed constraints in natural domain returned unsat :0 sat :1
[2023-03-16 23:12:24] [INFO ] Deduced a trap composed of 48 places in 505 ms of which 1 ms to minimize.
[2023-03-16 23:12:24] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 1357 ms
[2023-03-16 23:12:25] [INFO ] After 8286ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
Attempting to minimize the solution found.
Minimization took 414 ms.
[2023-03-16 23:12:25] [INFO ] After 23732ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
Parikh walk visited 0 properties in 4 ms.
Support contains 2 out of 626 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 626/626 places, 31352/31352 transitions.
Applied a total of 0 rules in 185 ms. Remains 626 /626 variables (removed 0) and now considering 31352/31352 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 187 ms. Remains : 626/626 places, 31352/31352 transitions.
Incomplete random walk after 10000 steps, including 2 resets, run finished after 294 ms. (steps per millisecond=34 ) properties (out of 1) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 22 ms. (steps per millisecond=454 ) properties (out of 1) seen :0
Interrupted probabilistic random walk after 24342 steps, run timeout after 3001 ms. (steps per millisecond=8 ) properties seen :{}
Probabilistic random walk after 24342 steps, saw 22100 distinct states, run finished after 3003 ms. (steps per millisecond=8 ) properties seen :0
Running SMT prover for 1 properties.
[2023-03-16 23:12:29] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
[2023-03-16 23:12:29] [INFO ] Invariant cache hit.
[2023-03-16 23:12:29] [INFO ] [Real]Absence check using 13 positive place invariants in 5 ms returned sat
[2023-03-16 23:12:44] [INFO ] After 15742ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
[2023-03-16 23:12:44] [INFO ] [Nat]Absence check using 13 positive place invariants in 6 ms returned sat
[2023-03-16 23:13:01] [INFO ] After 16382ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
[2023-03-16 23:13:01] [INFO ] State equation strengthened by 268 read => feed constraints.
[2023-03-16 23:13:08] [INFO ] After 6738ms SMT Verify possible using 268 Read/Feed constraints in natural domain returned unsat :0 sat :1
[2023-03-16 23:13:09] [INFO ] Deduced a trap composed of 48 places in 520 ms of which 0 ms to minimize.
[2023-03-16 23:13:09] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 1334 ms
[2023-03-16 23:13:09] [INFO ] After 8376ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
Attempting to minimize the solution found.
Minimization took 61 ms.
[2023-03-16 23:13:09] [INFO ] After 25046ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
Parikh walk visited 0 properties in 5 ms.
Support contains 2 out of 626 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 626/626 places, 31352/31352 transitions.
Applied a total of 0 rules in 174 ms. Remains 626 /626 variables (removed 0) and now considering 31352/31352 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 174 ms. Remains : 626/626 places, 31352/31352 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 626/626 places, 31352/31352 transitions.
Applied a total of 0 rules in 163 ms. Remains 626 /626 variables (removed 0) and now considering 31352/31352 (removed 0) transitions.
[2023-03-16 23:13:10] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
[2023-03-16 23:13:10] [INFO ] Invariant cache hit.
[2023-03-16 23:13:12] [INFO ] Implicit Places using invariants in 1920 ms returned []
Implicit Place search using SMT only with invariants took 1941 ms to find 0 implicit places.
[2023-03-16 23:13:12] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
[2023-03-16 23:13:12] [INFO ] Invariant cache hit.
[2023-03-16 23:13:21] [INFO ] Dead Transitions using invariants and state equation in 9255 ms found 0 transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 11386 ms. Remains : 626/626 places, 31352/31352 transitions.
Ensure Unique test removed 13027 transitions
Reduce isomorphic transitions removed 13027 transitions.
Iterating post reduction 0 with 13027 rules applied. Total rules applied 13027 place count 626 transition count 18325
Applied a total of 13027 rules in 504 ms. Remains 626 /626 variables (removed 0) and now considering 18325/31352 (removed 13027) transitions.
Running SMT prover for 1 properties.
// Phase 1: matrix 18325 rows 626 cols
[2023-03-16 23:13:22] [INFO ] Computed 13 place invariants in 52 ms
[2023-03-16 23:13:22] [INFO ] [Real]Absence check using 13 positive place invariants in 6 ms returned sat
[2023-03-16 23:13:44] [INFO ] After 22345ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
[2023-03-16 23:13:44] [INFO ] [Nat]Absence check using 13 positive place invariants in 6 ms returned sat
[2023-03-16 23:14:02] [INFO ] After 17851ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
[2023-03-16 23:14:02] [INFO ] After 18443ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
Attempting to minimize the solution found.
Minimization took 365 ms.
[2023-03-16 23:14:03] [INFO ] After 18926ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
Knowledge obtained : [(NOT p0), (X (NOT p0)), (X (X (NOT p0)))]
False Knowledge obtained : []
Knowledge based reduction with 3 factoid took 92 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 35 ms :[(NOT p0)]
Stuttering acceptance computed with spot in 31 ms :[(NOT p0)]
[2023-03-16 23:14:03] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
// Phase 1: matrix 18325 rows 626 cols
[2023-03-16 23:14:03] [INFO ] Computed 13 place invariants in 44 ms
Could not prove EG (NOT p0)
Stuttering acceptance computed with spot in 34 ms :[(NOT p0)]
Product exploration explored 100000 steps with 0 reset in 2807 ms.
Product exploration explored 100000 steps with 0 reset in 2894 ms.
Support contains 2 out of 626 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 626/626 places, 31352/31352 transitions.
Applied a total of 0 rules in 151 ms. Remains 626 /626 variables (removed 0) and now considering 31352/31352 (removed 0) transitions.
[2023-03-16 23:14:24] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
[2023-03-16 23:14:24] [INFO ] Invariant cache hit.
[2023-03-16 23:14:26] [INFO ] Implicit Places using invariants in 1952 ms returned []
Implicit Place search using SMT only with invariants took 1953 ms to find 0 implicit places.
[2023-03-16 23:14:26] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
[2023-03-16 23:14:26] [INFO ] Invariant cache hit.
[2023-03-16 23:14:35] [INFO ] Dead Transitions using invariants and state equation in 9184 ms found 0 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 11289 ms. Remains : 626/626 places, 31352/31352 transitions.
Treatment of property RERS17pb113-PT-9-LTLFireability-05 finished in 321557 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202303021504/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(((X(p0) U p1)||(F(X(p2)) U (p0 U p1))))'
Support contains 6 out of 627 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 627/627 places, 31353/31353 transitions.
Applied a total of 0 rules in 68 ms. Remains 627 /627 variables (removed 0) and now considering 31353/31353 (removed 0) transitions.
[2023-03-16 23:14:37] [INFO ] Flow matrix only has 18326 transitions (discarded 13027 similar events)
// Phase 1: matrix 18326 rows 627 cols
[2023-03-16 23:14:37] [INFO ] Computed 13 place invariants in 39 ms
[2023-03-16 23:14:38] [INFO ] Implicit Places using invariants in 1872 ms returned []
Implicit Place search using SMT only with invariants took 1886 ms to find 0 implicit places.
[2023-03-16 23:14:39] [INFO ] Flow matrix only has 18326 transitions (discarded 13027 similar events)
[2023-03-16 23:14:39] [INFO ] Invariant cache hit.
[2023-03-16 23:14:48] [INFO ] Dead Transitions using invariants and state equation in 9241 ms found 0 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 11197 ms. Remains : 627/627 places, 31353/31353 transitions.
Stuttering acceptance computed with spot in 182 ms :[(NOT p1), (OR (AND (NOT p2) p1 (NOT p0)) (AND (NOT p2) (NOT p1) p0)), (NOT p1), (NOT p2)]
Running random walk in product with property : RERS17pb113-PT-9-LTLFireability-07 automaton TGBA Formula[mat=[[{ cond=(AND (NOT p1) (NOT p0)), acceptance={} source=0 dest: 1}, { cond=(NOT p1), acceptance={} source=0 dest: 2}], [{ cond=(AND (NOT p1) p0 (NOT p2)), acceptance={} source=1 dest: 1}, { cond=(AND p1 (NOT p0) (NOT p2)), acceptance={} source=1 dest: 3}], [{ cond=(NOT p1), acceptance={} source=2 dest: 2}, { cond=(AND (NOT p1) (NOT p0)), acceptance={} source=2 dest: 3}], [{ cond=(NOT p2), acceptance={} source=3 dest: 3}]], initial=0, aps=[p1:(AND (GEQ s77 1) (GEQ s450 1)), p0:(AND (GEQ s64 1) (GEQ s492 1)), p2:(AND (GEQ s375 1) (GEQ s597 1))], nbAcceptance=0, 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 3 reset in 2824 ms.
Product exploration explored 100000 steps with 2 reset in 2861 ms.
Computed a total of 1 stabilizing places and 1 stable transitions
Computed a total of 1 stabilizing places and 1 stable transitions
Knowledge obtained : [(AND (NOT p1) (NOT p0) (NOT p2)), (X (NOT (AND (NOT p1) p0 (NOT p2)))), (X (AND (NOT p1) (NOT p0))), (X (NOT p1)), (X (NOT (AND p1 (NOT p0) (NOT p2)))), (X (X (NOT (AND (NOT p1) p0 (NOT p2))))), (X (X (NOT p2))), (X (X (AND (NOT p1) (NOT p0)))), (X (X (NOT p1))), (X (X (NOT (AND p1 (NOT p0) (NOT p2)))))]
False Knowledge obtained : []
Knowledge sufficient to adopt a stutter insensitive property.
Knowledge based reduction with 10 factoid took 411 ms. Reduced automaton from 4 states, 7 edges and 3 AP (stutter sensitive) to 3 states, 5 edges and 3 AP (stutter sensitive).
Stuttering acceptance computed with spot in 176 ms :[(OR (NOT p1) (NOT p2)), (NOT p1), (NOT p2)]
Incomplete random walk after 10000 steps, including 2 resets, run finished after 274 ms. (steps per millisecond=36 ) properties (out of 3) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 25 ms. (steps per millisecond=400 ) properties (out of 3) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 25 ms. (steps per millisecond=400 ) properties (out of 3) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 25 ms. (steps per millisecond=400 ) properties (out of 3) seen :0
Interrupted probabilistic random walk after 24045 steps, run timeout after 3002 ms. (steps per millisecond=8 ) properties seen :{}
Probabilistic random walk after 24045 steps, saw 21811 distinct states, run finished after 3002 ms. (steps per millisecond=8 ) properties seen :0
Running SMT prover for 3 properties.
[2023-03-16 23:14:58] [INFO ] Flow matrix only has 18326 transitions (discarded 13027 similar events)
[2023-03-16 23:14:58] [INFO ] Invariant cache hit.
[2023-03-16 23:14:58] [INFO ] [Real]Absence check using 13 positive place invariants in 6 ms returned sat
[2023-03-16 23:15:19] [INFO ] After 21022ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:3
[2023-03-16 23:15:19] [INFO ] [Nat]Absence check using 13 positive place invariants in 8 ms returned sat
[2023-03-16 23:15:34] [INFO ] After 15501ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :3
[2023-03-16 23:15:35] [INFO ] State equation strengthened by 829 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.checkResults(DeadlockTester.java:797)
at fr.lip6.move.gal.structural.smt.DeadlockTester.verifyPossible(DeadlockTester.java:644)
at fr.lip6.move.gal.structural.smt.DeadlockTester.testUnreachableWithSMTIncremental(DeadlockTester.java:350)
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 23:15:44] [WARNING] SMT solver failed with error :SMT solver raised an error when submitting script.... while checking expressions.
[2023-03-16 23:15:44] [INFO ] After 25035ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :0 real:3
Parikh walk visited 0 properties in 12 ms.
Support contains 6 out of 627 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 627/627 places, 31353/31353 transitions.
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 0 with 1 rules applied. Total rules applied 1 place count 626 transition count 31352
Applied a total of 1 rules in 290 ms. Remains 626 /627 variables (removed 1) and now considering 31352/31353 (removed 1) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 291 ms. Remains : 626/627 places, 31352/31353 transitions.
Incomplete random walk after 10000 steps, including 2 resets, run finished after 304 ms. (steps per millisecond=32 ) properties (out of 3) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 28 ms. (steps per millisecond=357 ) properties (out of 3) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 29 ms. (steps per millisecond=344 ) properties (out of 3) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 29 ms. (steps per millisecond=344 ) properties (out of 3) seen :0
Interrupted probabilistic random walk after 23048 steps, run timeout after 3001 ms. (steps per millisecond=7 ) properties seen :{}
Probabilistic random walk after 23048 steps, saw 20946 distinct states, run finished after 3001 ms. (steps per millisecond=7 ) properties seen :0
Running SMT prover for 3 properties.
[2023-03-16 23:15:48] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
// Phase 1: matrix 18325 rows 626 cols
[2023-03-16 23:15:48] [INFO ] Computed 13 place invariants in 47 ms
[2023-03-16 23:15:48] [INFO ] [Real]Absence check using 13 positive place invariants in 6 ms returned sat
[2023-03-16 23:16:00] [INFO ] After 12071ms SMT Verify possible using state equation in real domain returned unsat :0 sat :1 real:2
[2023-03-16 23:16:00] [INFO ] State equation strengthened by 268 read => feed constraints.
[2023-03-16 23:16:09] [INFO ] After 9128ms SMT Verify possible using 268 Read/Feed constraints in real domain returned unsat :0 sat :0 real:3
[2023-03-16 23:16:09] [INFO ] After 21422ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:3
[2023-03-16 23:16:09] [INFO ] [Nat]Absence check using 13 positive place invariants in 5 ms returned sat
[2023-03-16 23:16:34] [INFO ] After 24915ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :2
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:350)
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 23:16:34] [WARNING] SMT solver failed with error :SMT solver raised an error when submitting script.... while checking expressions.
[2023-03-16 23:16:34] [INFO ] After 25039ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :0 real:3
Fused 3 Parikh solutions to 1 different solutions.
Parikh walk visited 0 properties in 0 ms.
Support contains 6 out of 626 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 626/626 places, 31352/31352 transitions.
Applied a total of 0 rules in 160 ms. Remains 626 /626 variables (removed 0) and now considering 31352/31352 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 160 ms. Remains : 626/626 places, 31352/31352 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 626/626 places, 31352/31352 transitions.
Applied a total of 0 rules in 159 ms. Remains 626 /626 variables (removed 0) and now considering 31352/31352 (removed 0) transitions.
[2023-03-16 23:16:34] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
[2023-03-16 23:16:34] [INFO ] Invariant cache hit.
[2023-03-16 23:16:36] [INFO ] Implicit Places using invariants in 1827 ms returned []
Implicit Place search using SMT only with invariants took 1838 ms to find 0 implicit places.
[2023-03-16 23:16:36] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
[2023-03-16 23:16:36] [INFO ] Invariant cache hit.
[2023-03-16 23:16:45] [INFO ] Dead Transitions using invariants and state equation in 9062 ms found 0 transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 11084 ms. Remains : 626/626 places, 31352/31352 transitions.
Knowledge obtained : [(AND (NOT p1) (NOT p0) (NOT p2)), (X (NOT (AND (NOT p1) p0 (NOT p2)))), (X (AND (NOT p1) (NOT p0))), (X (NOT p1)), (X (NOT (AND p1 (NOT p0) (NOT p2)))), (X (X (NOT (AND (NOT p1) p0 (NOT p2))))), (X (X (NOT p2))), (X (X (AND (NOT p1) (NOT p0)))), (X (X (NOT p1))), (X (X (NOT (AND p1 (NOT p0) (NOT p2)))))]
False Knowledge obtained : []
Knowledge based reduction with 10 factoid took 381 ms. Reduced automaton from 3 states, 5 edges and 3 AP (stutter sensitive) to 3 states, 5 edges and 3 AP (stutter sensitive).
Stuttering acceptance computed with spot in 112 ms :[(OR (NOT p1) (NOT p2)), (NOT p1), (NOT p2)]
Stuttering acceptance computed with spot in 111 ms :[(OR (NOT p1) (NOT p2)), (NOT p1), (NOT p2)]
[2023-03-16 23:16:46] [INFO ] Flow matrix only has 18326 transitions (discarded 13027 similar events)
// Phase 1: matrix 18326 rows 627 cols
[2023-03-16 23:16:46] [INFO ] Computed 13 place invariants in 43 ms
Could not prove EG (NOT p1)
[2023-03-16 23:17:01] [INFO ] Flow matrix only has 18326 transitions (discarded 13027 similar events)
[2023-03-16 23:17:01] [INFO ] Invariant cache hit.
Could not prove EG (NOT p2)
Support contains 6 out of 627 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 627/627 places, 31353/31353 transitions.
Applied a total of 0 rules in 69 ms. Remains 627 /627 variables (removed 0) and now considering 31353/31353 (removed 0) transitions.
[2023-03-16 23:17:16] [INFO ] Flow matrix only has 18326 transitions (discarded 13027 similar events)
[2023-03-16 23:17:16] [INFO ] Invariant cache hit.
[2023-03-16 23:17:18] [INFO ] Implicit Places using invariants in 1799 ms returned []
Implicit Place search using SMT only with invariants took 1820 ms to find 0 implicit places.
[2023-03-16 23:17:18] [INFO ] Flow matrix only has 18326 transitions (discarded 13027 similar events)
[2023-03-16 23:17:18] [INFO ] Invariant cache hit.
[2023-03-16 23:17:27] [INFO ] Dead Transitions using invariants and state equation in 9019 ms found 0 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 10920 ms. Remains : 627/627 places, 31353/31353 transitions.
Computed a total of 1 stabilizing places and 1 stable transitions
Computed a total of 1 stabilizing places and 1 stable transitions
Knowledge obtained : [(AND (NOT p1) (NOT p0) (NOT p2)), (X (AND (NOT p0) (NOT p1))), (X (NOT p2)), (X (NOT p1)), (X (X (AND (NOT p0) (NOT p1)))), (X (X (NOT p2))), (X (X (NOT p1)))]
False Knowledge obtained : []
Knowledge based reduction with 7 factoid took 248 ms. Reduced automaton from 3 states, 5 edges and 3 AP (stutter sensitive) to 3 states, 5 edges and 3 AP (stutter sensitive).
Stuttering acceptance computed with spot in 103 ms :[(OR (NOT p1) (NOT p2)), (NOT p1), (NOT p2)]
Incomplete random walk after 10000 steps, including 2 resets, run finished after 260 ms. (steps per millisecond=38 ) properties (out of 3) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 25 ms. (steps per millisecond=400 ) properties (out of 3) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 25 ms. (steps per millisecond=400 ) properties (out of 3) seen :0
Incomplete Best-First random walk after 10000 steps, including 2 resets, run finished after 24 ms. (steps per millisecond=416 ) properties (out of 3) seen :0
Interrupted probabilistic random walk after 24409 steps, run timeout after 3001 ms. (steps per millisecond=8 ) properties seen :{}
Probabilistic random walk after 24409 steps, saw 22139 distinct states, run finished after 3001 ms. (steps per millisecond=8 ) properties seen :0
Running SMT prover for 3 properties.
[2023-03-16 23:17:31] [INFO ] Flow matrix only has 18326 transitions (discarded 13027 similar events)
[2023-03-16 23:17:31] [INFO ] Invariant cache hit.
[2023-03-16 23:17:31] [INFO ] [Real]Absence check using 13 positive place invariants in 6 ms returned sat
[2023-03-16 23:17:53] [INFO ] After 21566ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:3
[2023-03-16 23:17:53] [INFO ] [Nat]Absence check using 13 positive place invariants in 6 ms returned sat
[2023-03-16 23:18:10] [INFO ] After 16844ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :3
[2023-03-16 23:18:10] [INFO ] State equation strengthened by 829 read => feed constraints.
[2023-03-16 23:18:18] [INFO ] After 7963ms SMT Verify possible using 829 Read/Feed constraints in natural domain returned unsat :0 sat :2
[2023-03-16 23:18:18] [INFO ] After 7964ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :2
Attempting to minimize the solution found.
Minimization took 5 ms.
[2023-03-16 23:18:18] [INFO ] After 25068ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :2
Parikh walk visited 0 properties in 16 ms.
Support contains 6 out of 627 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 627/627 places, 31353/31353 transitions.
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 0 with 1 rules applied. Total rules applied 1 place count 626 transition count 31352
Applied a total of 1 rules in 316 ms. Remains 626 /627 variables (removed 1) and now considering 31352/31353 (removed 1) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 316 ms. Remains : 626/627 places, 31352/31353 transitions.
Incomplete random walk after 10000 steps, including 2 resets, run finished after 374 ms. (steps per millisecond=26 ) properties (out of 3) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 29 ms. (steps per millisecond=344 ) properties (out of 3) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 30 ms. (steps per millisecond=333 ) properties (out of 3) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 28 ms. (steps per millisecond=357 ) properties (out of 3) seen :0
Interrupted probabilistic random walk after 22775 steps, run timeout after 3001 ms. (steps per millisecond=7 ) properties seen :{}
Probabilistic random walk after 22775 steps, saw 20698 distinct states, run finished after 3001 ms. (steps per millisecond=7 ) properties seen :0
Running SMT prover for 3 properties.
[2023-03-16 23:18:22] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
// Phase 1: matrix 18325 rows 626 cols
[2023-03-16 23:18:22] [INFO ] Computed 13 place invariants in 46 ms
[2023-03-16 23:18:22] [INFO ] [Real]Absence check using 13 positive place invariants in 5 ms returned sat
[2023-03-16 23:18:34] [INFO ] After 12514ms SMT Verify possible using state equation in real domain returned unsat :0 sat :1 real:2
[2023-03-16 23:18:34] [INFO ] State equation strengthened by 268 read => feed constraints.
[2023-03-16 23:18:44] [INFO ] After 9173ms SMT Verify possible using 268 Read/Feed constraints in real domain returned unsat :0 sat :0 real:3
[2023-03-16 23:18:44] [INFO ] After 21892ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:3
[2023-03-16 23:18:44] [INFO ] [Nat]Absence check using 13 positive place invariants in 6 ms returned sat
[2023-03-16 23:19:09] [INFO ] After 24900ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :2
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:350)
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 23:19:09] [WARNING] SMT solver failed with error :SMT solver raised an error when submitting script.... while checking expressions.
[2023-03-16 23:19:09] [INFO ] After 25037ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :0 real:3
Fused 3 Parikh solutions to 1 different solutions.
Parikh walk visited 0 properties in 0 ms.
Support contains 6 out of 626 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 626/626 places, 31352/31352 transitions.
Applied a total of 0 rules in 152 ms. Remains 626 /626 variables (removed 0) and now considering 31352/31352 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 152 ms. Remains : 626/626 places, 31352/31352 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 626/626 places, 31352/31352 transitions.
Applied a total of 0 rules in 154 ms. Remains 626 /626 variables (removed 0) and now considering 31352/31352 (removed 0) transitions.
[2023-03-16 23:19:09] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
[2023-03-16 23:19:09] [INFO ] Invariant cache hit.
[2023-03-16 23:19:11] [INFO ] Implicit Places using invariants in 1772 ms returned []
Implicit Place search using SMT only with invariants took 1791 ms to find 0 implicit places.
[2023-03-16 23:19:11] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
[2023-03-16 23:19:11] [INFO ] Invariant cache hit.
[2023-03-16 23:19:20] [INFO ] Dead Transitions using invariants and state equation in 9145 ms found 0 transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 11106 ms. Remains : 626/626 places, 31352/31352 transitions.
Knowledge obtained : [(AND (NOT p1) (NOT p0) (NOT p2)), (X (AND (NOT p0) (NOT p1))), (X (NOT p2)), (X (NOT p1)), (X (X (AND (NOT p0) (NOT p1)))), (X (X (NOT p2))), (X (X (NOT p1)))]
False Knowledge obtained : []
Knowledge based reduction with 7 factoid took 236 ms. Reduced automaton from 3 states, 5 edges and 3 AP (stutter sensitive) to 3 states, 5 edges and 3 AP (stutter sensitive).
Stuttering acceptance computed with spot in 106 ms :[(OR (NOT p1) (NOT p2)), (NOT p1), (NOT p2)]
Stuttering acceptance computed with spot in 113 ms :[(OR (NOT p1) (NOT p2)), (NOT p1), (NOT p2)]
[2023-03-16 23:19:20] [INFO ] Flow matrix only has 18326 transitions (discarded 13027 similar events)
// Phase 1: matrix 18326 rows 627 cols
[2023-03-16 23:19:21] [INFO ] Computed 13 place invariants in 48 ms
Could not prove EG (NOT p1)
[2023-03-16 23:19:36] [INFO ] Flow matrix only has 18326 transitions (discarded 13027 similar events)
[2023-03-16 23:19:36] [INFO ] Invariant cache hit.
Could not prove EG (NOT p2)
Stuttering acceptance computed with spot in 113 ms :[(OR (NOT p1) (NOT p2)), (NOT p1), (NOT p2)]
Product exploration explored 100000 steps with 0 reset in 2765 ms.
Product exploration explored 100000 steps with 0 reset in 2876 ms.
Applying partial POR strategy [false, true, true]
Stuttering acceptance computed with spot in 104 ms :[(OR (NOT p1) (NOT p2)), (NOT p1), (NOT p2)]
Support contains 6 out of 627 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 627/627 places, 31353/31353 transitions.
Applied a total of 0 rules in 199 ms. Remains 627 /627 variables (removed 0) and now considering 31353/31353 (removed 0) transitions.
[2023-03-16 23:19:57] [INFO ] Flow matrix only has 18326 transitions (discarded 13027 similar events)
[2023-03-16 23:19:57] [INFO ] Invariant cache hit.
[2023-03-16 23:20:06] [INFO ] Dead Transitions using invariants and state equation in 9044 ms found 0 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 9258 ms. Remains : 627/627 places, 31353/31353 transitions.
Support contains 6 out of 627 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 627/627 places, 31353/31353 transitions.
Applied a total of 0 rules in 73 ms. Remains 627 /627 variables (removed 0) and now considering 31353/31353 (removed 0) transitions.
[2023-03-16 23:20:06] [INFO ] Flow matrix only has 18326 transitions (discarded 13027 similar events)
[2023-03-16 23:20:06] [INFO ] Invariant cache hit.
[2023-03-16 23:20:08] [INFO ] Implicit Places using invariants in 1866 ms returned []
Implicit Place search using SMT only with invariants took 1869 ms to find 0 implicit places.
[2023-03-16 23:20:08] [INFO ] Flow matrix only has 18326 transitions (discarded 13027 similar events)
[2023-03-16 23:20:08] [INFO ] Invariant cache hit.
[2023-03-16 23:20:17] [INFO ] Dead Transitions using invariants and state equation in 9100 ms found 0 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 11049 ms. Remains : 627/627 places, 31353/31353 transitions.
Treatment of property RERS17pb113-PT-9-LTLFireability-07 finished in 341464 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))'
Support contains 4 out of 627 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 627/627 places, 31353/31353 transitions.
Reduce places removed 1 places and 1 transitions.
Applied a total of 0 rules in 159 ms. Remains 626 /627 variables (removed 1) and now considering 31352/31353 (removed 1) transitions.
[2023-03-16 23:20:18] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
// Phase 1: matrix 18325 rows 626 cols
[2023-03-16 23:20:18] [INFO ] Computed 13 place invariants in 40 ms
[2023-03-16 23:20:20] [INFO ] Implicit Places using invariants in 1848 ms returned []
Implicit Place search using SMT only with invariants took 1869 ms to find 0 implicit places.
[2023-03-16 23:20:20] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
[2023-03-16 23:20:20] [INFO ] Invariant cache hit.
[2023-03-16 23:20:29] [INFO ] Dead Transitions using invariants and state equation in 9313 ms found 0 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 11356 ms. Remains : 626/627 places, 31352/31353 transitions.
Stuttering acceptance computed with spot in 43 ms :[true, (NOT p0)]
Running random walk in product with property : RERS17pb113-PT-9-LTLFireability-08 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 (LT s572 1) (LT s589 1) (LT s354 1) (LT s479 1))], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, complete, deterministic, no-univ-branch, unambiguous, semi-deterministic, stutter-invariant, terminal, very-weak, weak, inherently-weak], stateDesc=[null, null][true, true]]
Product exploration explored 100000 steps with 0 reset in 3025 ms.
Product exploration explored 100000 steps with 0 reset in 2965 ms.
Computed a total of 0 stabilizing places and 0 stable transitions
Computed a total of 0 stabilizing places and 0 stable transitions
Knowledge obtained : [p0, (X p0), true, (X (X p0))]
False Knowledge obtained : []
Knowledge based reduction with 4 factoid took 147 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 42 ms :[true, (NOT p0)]
Incomplete random walk after 10000 steps, including 2 resets, run finished after 256 ms. (steps per millisecond=39 ) properties (out of 1) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 20 ms. (steps per millisecond=500 ) properties (out of 1) seen :0
Interrupted probabilistic random walk after 24678 steps, run timeout after 3001 ms. (steps per millisecond=8 ) properties seen :{}
Probabilistic random walk after 24678 steps, saw 22390 distinct states, run finished after 3001 ms. (steps per millisecond=8 ) properties seen :0
Running SMT prover for 1 properties.
[2023-03-16 23:20:39] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
[2023-03-16 23:20:39] [INFO ] Invariant cache hit.
[2023-03-16 23:20:39] [INFO ] [Real]Absence check using 13 positive place invariants in 7 ms returned sat
[2023-03-16 23:20:54] [INFO ] After 14634ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
[2023-03-16 23:20:54] [INFO ] [Nat]Absence check using 13 positive place invariants in 5 ms returned sat
[2023-03-16 23:21:09] [INFO ] After 15398ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
[2023-03-16 23:21:09] [INFO ] State equation strengthened by 268 read => feed constraints.
[2023-03-16 23:21:15] [INFO ] After 5746ms SMT Verify possible using 268 Read/Feed constraints in natural domain returned unsat :0 sat :1
[2023-03-16 23:21:16] [INFO ] Deduced a trap composed of 65 places in 386 ms of which 1 ms to minimize.
[2023-03-16 23:21:16] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 1109 ms
[2023-03-16 23:21:17] [INFO ] After 7314ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
Attempting to minimize the solution found.
Minimization took 439 ms.
[2023-03-16 23:21:17] [INFO ] After 23331ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
Parikh walk visited 0 properties in 4 ms.
Support contains 4 out of 626 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 626/626 places, 31352/31352 transitions.
Applied a total of 0 rules in 165 ms. Remains 626 /626 variables (removed 0) and now considering 31352/31352 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 165 ms. Remains : 626/626 places, 31352/31352 transitions.
Incomplete random walk after 10000 steps, including 2 resets, run finished after 192 ms. (steps per millisecond=52 ) properties (out of 1) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 19 ms. (steps per millisecond=526 ) properties (out of 1) seen :0
Interrupted probabilistic random walk after 25697 steps, run timeout after 3001 ms. (steps per millisecond=8 ) properties seen :{}
Probabilistic random walk after 25697 steps, saw 23304 distinct states, run finished after 3001 ms. (steps per millisecond=8 ) properties seen :0
Running SMT prover for 1 properties.
[2023-03-16 23:21:21] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
[2023-03-16 23:21:21] [INFO ] Invariant cache hit.
[2023-03-16 23:21:21] [INFO ] [Real]Absence check using 13 positive place invariants in 7 ms returned sat
[2023-03-16 23:21:35] [INFO ] After 14307ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
[2023-03-16 23:21:35] [INFO ] [Nat]Absence check using 13 positive place invariants in 6 ms returned sat
[2023-03-16 23:21:49] [INFO ] After 14385ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
[2023-03-16 23:21:49] [INFO ] State equation strengthened by 268 read => feed constraints.
[2023-03-16 23:21:55] [INFO ] After 5387ms SMT Verify possible using 268 Read/Feed constraints in natural domain returned unsat :0 sat :1
[2023-03-16 23:21:56] [INFO ] Deduced a trap composed of 65 places in 391 ms of which 0 ms to minimize.
[2023-03-16 23:21:56] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 1099 ms
[2023-03-16 23:21:56] [INFO ] After 6940ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
Attempting to minimize the solution found.
Minimization took 435 ms.
[2023-03-16 23:21:57] [INFO ] After 21938ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
Parikh walk visited 0 properties in 4 ms.
Support contains 4 out of 626 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 626/626 places, 31352/31352 transitions.
Applied a total of 0 rules in 165 ms. Remains 626 /626 variables (removed 0) and now considering 31352/31352 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 166 ms. Remains : 626/626 places, 31352/31352 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 626/626 places, 31352/31352 transitions.
Applied a total of 0 rules in 142 ms. Remains 626 /626 variables (removed 0) and now considering 31352/31352 (removed 0) transitions.
[2023-03-16 23:21:57] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
[2023-03-16 23:21:57] [INFO ] Invariant cache hit.
[2023-03-16 23:21:59] [INFO ] Implicit Places using invariants in 1757 ms returned []
Implicit Place search using SMT only with invariants took 1772 ms to find 0 implicit places.
[2023-03-16 23:21:59] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
[2023-03-16 23:21:59] [INFO ] Invariant cache hit.
[2023-03-16 23:22:08] [INFO ] Dead Transitions using invariants and state equation in 8932 ms found 0 transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 10864 ms. Remains : 626/626 places, 31352/31352 transitions.
Ensure Unique test removed 13027 transitions
Reduce isomorphic transitions removed 13027 transitions.
Iterating post reduction 0 with 13027 rules applied. Total rules applied 13027 place count 626 transition count 18325
Applied a total of 13027 rules in 544 ms. Remains 626 /626 variables (removed 0) and now considering 18325/31352 (removed 13027) transitions.
Running SMT prover for 1 properties.
// Phase 1: matrix 18325 rows 626 cols
[2023-03-16 23:22:08] [INFO ] Computed 13 place invariants in 40 ms
[2023-03-16 23:22:09] [INFO ] [Real]Absence check using 13 positive place invariants in 5 ms returned sat
[2023-03-16 23:22:22] [INFO ] After 13500ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
[2023-03-16 23:22:22] [INFO ] [Nat]Absence check using 13 positive place invariants in 5 ms returned sat
[2023-03-16 23:22:37] [INFO ] After 15237ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
[2023-03-16 23:22:39] [INFO ] After 16855ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
Attempting to minimize the solution found.
Minimization took 587 ms.
[2023-03-16 23:22:40] [INFO ] After 17535ms 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 111 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 33 ms :[true, (NOT p0)]
Stuttering acceptance computed with spot in 33 ms :[true, (NOT p0)]
Support contains 4 out of 626 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 626/626 places, 31352/31352 transitions.
Applied a total of 0 rules in 145 ms. Remains 626 /626 variables (removed 0) and now considering 31352/31352 (removed 0) transitions.
[2023-03-16 23:22:40] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
// Phase 1: matrix 18325 rows 626 cols
[2023-03-16 23:22:40] [INFO ] Computed 13 place invariants in 45 ms
[2023-03-16 23:22:42] [INFO ] Implicit Places using invariants in 1888 ms returned []
Implicit Place search using SMT only with invariants took 1889 ms to find 0 implicit places.
[2023-03-16 23:22:42] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
[2023-03-16 23:22:42] [INFO ] Invariant cache hit.
[2023-03-16 23:22:51] [INFO ] Dead Transitions using invariants and state equation in 8961 ms found 0 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 11010 ms. Remains : 626/626 places, 31352/31352 transitions.
Computed a total of 0 stabilizing places and 0 stable transitions
Computed a total of 0 stabilizing places and 0 stable transitions
Knowledge obtained : [p0, (X p0), true, (X (X p0))]
False Knowledge obtained : []
Knowledge based reduction with 4 factoid took 158 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 33 ms :[true, (NOT p0)]
Incomplete random walk after 10000 steps, including 2 resets, run finished after 242 ms. (steps per millisecond=41 ) properties (out of 1) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 19 ms. (steps per millisecond=526 ) properties (out of 1) seen :0
Interrupted probabilistic random walk after 25226 steps, run timeout after 3001 ms. (steps per millisecond=8 ) properties seen :{}
Probabilistic random walk after 25226 steps, saw 22883 distinct states, run finished after 3001 ms. (steps per millisecond=8 ) properties seen :0
Running SMT prover for 1 properties.
[2023-03-16 23:22:54] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
[2023-03-16 23:22:54] [INFO ] Invariant cache hit.
[2023-03-16 23:22:55] [INFO ] [Real]Absence check using 13 positive place invariants in 5 ms returned sat
[2023-03-16 23:23:11] [INFO ] After 16057ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
[2023-03-16 23:23:11] [INFO ] [Nat]Absence check using 13 positive place invariants in 5 ms returned sat
[2023-03-16 23:23:29] [INFO ] After 18298ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
[2023-03-16 23:23:29] [INFO ] State equation strengthened by 268 read => feed constraints.
[2023-03-16 23:23:35] [INFO ] After 5673ms SMT Verify possible using 268 Read/Feed constraints in natural domain returned unsat :0 sat :1
[2023-03-16 23:23:36] [INFO ] Deduced a trap composed of 65 places in 440 ms of which 1 ms to minimize.
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.refineWithTraps(DeadlockTester.java:1255)
at fr.lip6.move.gal.structural.smt.DeadlockTester.refineResultsWithTraps(DeadlockTester.java:736)
at fr.lip6.move.gal.structural.smt.DeadlockTester.verifyPossible(DeadlockTester.java:656)
at fr.lip6.move.gal.structural.smt.DeadlockTester.testUnreachableWithSMTIncremental(DeadlockTester.java:350)
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 23:23:36] [WARNING] SMT solver failed with error :SMT solver raised an error when submitting script.... while checking expressions.
[2023-03-16 23:23:36] [INFO ] After 25234ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :0 real:1
Parikh walk visited 0 properties in 6 ms.
Support contains 4 out of 626 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 626/626 places, 31352/31352 transitions.
Applied a total of 0 rules in 198 ms. Remains 626 /626 variables (removed 0) and now considering 31352/31352 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 199 ms. Remains : 626/626 places, 31352/31352 transitions.
Incomplete random walk after 10000 steps, including 2 resets, run finished after 239 ms. (steps per millisecond=41 ) properties (out of 1) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 28 ms. (steps per millisecond=357 ) properties (out of 1) seen :0
Interrupted probabilistic random walk after 23854 steps, run timeout after 3001 ms. (steps per millisecond=7 ) properties seen :{}
Probabilistic random walk after 23854 steps, saw 21660 distinct states, run finished after 3001 ms. (steps per millisecond=7 ) properties seen :0
Running SMT prover for 1 properties.
[2023-03-16 23:23:39] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
[2023-03-16 23:23:39] [INFO ] Invariant cache hit.
[2023-03-16 23:23:39] [INFO ] [Real]Absence check using 13 positive place invariants in 5 ms returned sat
[2023-03-16 23:23:56] [INFO ] After 16304ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
[2023-03-16 23:23:56] [INFO ] [Nat]Absence check using 13 positive place invariants in 6 ms returned sat
[2023-03-16 23:24:13] [INFO ] After 17407ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
[2023-03-16 23:24:13] [INFO ] State equation strengthened by 268 read => feed constraints.
[2023-03-16 23:24:19] [INFO ] After 5679ms SMT Verify possible using 268 Read/Feed constraints in natural domain returned unsat :0 sat :1
[2023-03-16 23:24:20] [INFO ] Deduced a trap composed of 65 places in 438 ms of which 1 ms to minimize.
[2023-03-16 23:24:20] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 1200 ms
[2023-03-16 23:24:21] [INFO ] After 7354ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
Attempting to minimize the solution found.
Minimization took 72 ms.
[2023-03-16 23:24:21] [INFO ] After 25061ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :0
Parikh walk visited 0 properties in 10 ms.
Support contains 4 out of 626 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 626/626 places, 31352/31352 transitions.
Applied a total of 0 rules in 191 ms. Remains 626 /626 variables (removed 0) and now considering 31352/31352 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 196 ms. Remains : 626/626 places, 31352/31352 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 626/626 places, 31352/31352 transitions.
Applied a total of 0 rules in 196 ms. Remains 626 /626 variables (removed 0) and now considering 31352/31352 (removed 0) transitions.
[2023-03-16 23:24:21] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
[2023-03-16 23:24:21] [INFO ] Invariant cache hit.
[2023-03-16 23:24:23] [INFO ] Implicit Places using invariants in 1996 ms returned []
Implicit Place search using SMT only with invariants took 1997 ms to find 0 implicit places.
[2023-03-16 23:24:23] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
[2023-03-16 23:24:23] [INFO ] Invariant cache hit.
[2023-03-16 23:24:32] [INFO ] Dead Transitions using invariants and state equation in 8837 ms found 0 transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 11038 ms. Remains : 626/626 places, 31352/31352 transitions.
Knowledge obtained : [p0, (X p0), true, (X (X p0))]
False Knowledge obtained : []
Knowledge based reduction with 4 factoid took 136 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 52 ms :[true, (NOT p0)]
Stuttering acceptance computed with spot in 39 ms :[true, (NOT p0)]
Stuttering acceptance computed with spot in 57 ms :[true, (NOT p0)]
Product exploration explored 100000 steps with 0 reset in 3423 ms.
Product exploration explored 100000 steps with 0 reset in 3460 ms.
Support contains 4 out of 626 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 626/626 places, 31352/31352 transitions.
Applied a total of 0 rules in 163 ms. Remains 626 /626 variables (removed 0) and now considering 31352/31352 (removed 0) transitions.
[2023-03-16 23:24:39] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
[2023-03-16 23:24:39] [INFO ] Invariant cache hit.
[2023-03-16 23:24:41] [INFO ] Implicit Places using invariants in 1960 ms returned []
Implicit Place search using SMT only with invariants took 1961 ms to find 0 implicit places.
[2023-03-16 23:24:41] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
[2023-03-16 23:24:41] [INFO ] Invariant cache hit.
[2023-03-16 23:24:50] [INFO ] Dead Transitions using invariants and state equation in 9161 ms found 0 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 11288 ms. Remains : 626/626 places, 31352/31352 transitions.
Treatment of property RERS17pb113-PT-9-LTLFireability-08 finished in 273490 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(p0))))'
Support contains 2 out of 627 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 627/627 places, 31353/31353 transitions.
Applied a total of 0 rules in 67 ms. Remains 627 /627 variables (removed 0) and now considering 31353/31353 (removed 0) transitions.
[2023-03-16 23:24:52] [INFO ] Flow matrix only has 18326 transitions (discarded 13027 similar events)
// Phase 1: matrix 18326 rows 627 cols
[2023-03-16 23:24:52] [INFO ] Computed 13 place invariants in 53 ms
[2023-03-16 23:24:54] [INFO ] Implicit Places using invariants in 2085 ms returned []
Implicit Place search using SMT only with invariants took 2086 ms to find 0 implicit places.
[2023-03-16 23:24:54] [INFO ] Flow matrix only has 18326 transitions (discarded 13027 similar events)
[2023-03-16 23:24:54] [INFO ] Invariant cache hit.
[2023-03-16 23:25:03] [INFO ] Dead Transitions using invariants and state equation in 9080 ms found 0 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 11235 ms. Remains : 627/627 places, 31353/31353 transitions.
Stuttering acceptance computed with spot in 131 ms :[true, (NOT p0), (NOT p0), (NOT p0)]
Running random walk in product with property : RERS17pb113-PT-9-LTLFireability-09 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}], [{ cond=true, acceptance={} source=2 dest: 1}], [{ cond=true, acceptance={} source=3 dest: 2}]], initial=3, aps=[p0:(AND (GEQ s313 1) (GEQ s418 1))], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, complete, deterministic, no-univ-branch, unambiguous, semi-deterministic, stutter-sensitive, terminal, very-weak, weak, inherently-weak], stateDesc=[null, null, null, null][false, false, false, false]]
Entered a terminal (fully accepting) state of product in 2 steps with 0 reset in 1 ms.
FORMULA RERS17pb113-PT-9-LTLFireability-09 FALSE TECHNIQUES STUTTER_TEST
Treatment of property RERS17pb113-PT-9-LTLFireability-09 finished in 11538 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&&F(p2)) U (F(p2)&&p3))))))'
Support contains 6 out of 627 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 627/627 places, 31353/31353 transitions.
Reduce places removed 1 places and 1 transitions.
Applied a total of 0 rules in 161 ms. Remains 626 /627 variables (removed 1) and now considering 31352/31353 (removed 1) transitions.
[2023-03-16 23:25:03] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
// Phase 1: matrix 18325 rows 626 cols
[2023-03-16 23:25:03] [INFO ] Computed 13 place invariants in 60 ms
[2023-03-16 23:25:05] [INFO ] Implicit Places using invariants in 2063 ms returned []
Implicit Place search using SMT only with invariants took 2066 ms to find 0 implicit places.
[2023-03-16 23:25:05] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
[2023-03-16 23:25:05] [INFO ] Invariant cache hit.
[2023-03-16 23:25:14] [INFO ] Dead Transitions using invariants and state equation in 9149 ms found 0 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 11377 ms. Remains : 626/627 places, 31352/31353 transitions.
Stuttering acceptance computed with spot in 140 ms :[(OR (AND (NOT p0) (NOT p3)) (AND (NOT p0) (NOT p2))), (OR (AND (NOT p0) (NOT p3)) (AND (NOT p0) (NOT p2))), (AND (NOT p0) (NOT p2))]
Running random walk in product with property : RERS17pb113-PT-9-LTLFireability-10 automaton TGBA Formula[mat=[[{ cond=true, acceptance={} source=0 dest: 0}, { cond=(AND (NOT p3) (NOT p0)), acceptance={} source=0 dest: 1}, { cond=(AND p3 (NOT p0) (NOT p2)), acceptance={} source=0 dest: 2}], [{ cond=(AND (NOT p3) (NOT p0)), acceptance={0} source=1 dest: 1}, { cond=(AND p3 (NOT p0) (NOT p2)), acceptance={0} source=1 dest: 2}], [{ cond=(AND (NOT p0) (NOT p2)), acceptance={0} source=2 dest: 2}]], initial=0, aps=[p3:(AND (NOT (AND (GEQ s33 1) (GEQ s43 1))) (GEQ s63 1) (GEQ s366 1)), p0:(AND (GEQ s63 1) (GEQ s366 1)), p2:(AND (GEQ s59 1) (GEQ s231 1))], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, no-univ-branch, stutter-invariant, very-weak, weak, inherently-weak], stateDesc=[null, null, null][true, true, true]]
Product exploration explored 100000 steps with 18 reset in 3241 ms.
Product exploration explored 100000 steps with 15 reset in 3186 ms.
Computed a total of 0 stabilizing places and 0 stable transitions
Computed a total of 0 stabilizing places and 0 stable transitions
Knowledge obtained : [(AND (NOT p3) (NOT p0) (NOT p2)), (X (NOT (AND p3 (NOT p0) (NOT p2)))), (X (AND (NOT p0) (NOT p2))), (X (AND (NOT p3) (NOT p0))), (X (X (NOT (AND p3 (NOT p0) (NOT p2))))), (X (X (AND (NOT p0) (NOT p2)))), (X (X (AND (NOT p3) (NOT p0))))]
False Knowledge obtained : []
Knowledge based reduction with 7 factoid took 291 ms. Reduced automaton from 3 states, 6 edges and 3 AP (stutter insensitive) to 3 states, 6 edges and 3 AP (stutter insensitive).
Stuttering acceptance computed with spot in 124 ms :[(OR (AND (NOT p0) (NOT p3)) (AND (NOT p0) (NOT p2))), (OR (AND (NOT p0) (NOT p3)) (AND (NOT p0) (NOT p2))), (AND (NOT p0) (NOT p2))]
Incomplete random walk after 10000 steps, including 2 resets, run finished after 331 ms. (steps per millisecond=30 ) properties (out of 3) seen :1
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 30 ms. (steps per millisecond=333 ) properties (out of 2) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 30 ms. (steps per millisecond=333 ) properties (out of 2) seen :1
Running SMT prover for 1 properties.
[2023-03-16 23:25:22] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
[2023-03-16 23:25:22] [INFO ] Invariant cache hit.
[2023-03-16 23:25:22] [INFO ] After 81ms SMT Verify possible using all constraints in real domain returned unsat :1 sat :0
Fused 1 Parikh solutions to 0 different solutions.
Parikh walk visited 0 properties in 0 ms.
Found 1 invariant AP formulas.
Knowledge obtained : [(AND (NOT p3) (NOT p0) (NOT p2)), (X (NOT (AND p3 (NOT p0) (NOT p2)))), (X (AND (NOT p0) (NOT p2))), (X (AND (NOT p3) (NOT p0))), (X (X (NOT (AND p3 (NOT p0) (NOT p2))))), (X (X (AND (NOT p0) (NOT p2)))), (X (X (AND (NOT p3) (NOT p0)))), (G (NOT (AND (NOT p2) (NOT p0) p3)))]
False Knowledge obtained : [(F (NOT (AND (NOT p0) (NOT p3)))), (F (NOT (AND (NOT p2) (NOT p0))))]
Knowledge based reduction with 8 factoid took 425 ms. Reduced automaton from 3 states, 6 edges and 3 AP (stutter insensitive) to 2 states, 3 edges and 2 AP (stutter insensitive).
Stuttering acceptance computed with spot in 76 ms :[(AND (NOT p0) (NOT p3)), (AND (NOT p0) (NOT p3))]
Stuttering acceptance computed with spot in 73 ms :[(AND (NOT p0) (NOT p3)), (AND (NOT p0) (NOT p3))]
[2023-03-16 23:25:23] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
[2023-03-16 23:25:23] [INFO ] Invariant cache hit.
Could not prove EG (AND (NOT p0) (NOT p3))
Support contains 4 out of 626 places. Attempting structural reductions.
Property had overlarge support with respect to TGBA, discarding it for now.
Starting structural reductions in SI_LTL mode, iteration 0 : 626/626 places, 31352/31352 transitions.
Applied a total of 0 rules in 175 ms. Remains 626 /626 variables (removed 0) and now considering 31352/31352 (removed 0) transitions.
[2023-03-16 23:25:38] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
[2023-03-16 23:25:38] [INFO ] Invariant cache hit.
[2023-03-16 23:25:40] [INFO ] Implicit Places using invariants in 1895 ms returned []
Implicit Place search using SMT only with invariants took 1916 ms to find 0 implicit places.
[2023-03-16 23:25:40] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
[2023-03-16 23:25:40] [INFO ] Invariant cache hit.
[2023-03-16 23:25:49] [INFO ] Dead Transitions using invariants and state equation in 9399 ms found 0 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 11494 ms. Remains : 626/626 places, 31352/31352 transitions.
Computed a total of 0 stabilizing places and 0 stable transitions
Computed a total of 0 stabilizing places and 0 stable transitions
Knowledge obtained : [(AND (NOT p0) (NOT p3)), (X (AND (NOT p0) (NOT p3))), (X (X (AND (NOT p0) (NOT p3))))]
False Knowledge obtained : []
Knowledge based reduction with 3 factoid took 140 ms. Reduced automaton from 2 states, 3 edges and 2 AP (stutter insensitive) to 2 states, 3 edges and 2 AP (stutter insensitive).
Stuttering acceptance computed with spot in 85 ms :[(AND (NOT p0) (NOT p3)), (AND (NOT p0) (NOT p3))]
Finished random walk after 4545 steps, including 1 resets, run visited all 1 properties in 93 ms. (steps per millisecond=48 )
Knowledge obtained : [(AND (NOT p0) (NOT p3)), (X (AND (NOT p0) (NOT p3))), (X (X (AND (NOT p0) (NOT p3))))]
False Knowledge obtained : [(F (NOT (AND (NOT p0) (NOT p3))))]
Knowledge based reduction with 3 factoid took 166 ms. Reduced automaton from 2 states, 3 edges and 2 AP (stutter insensitive) to 2 states, 3 edges and 2 AP (stutter insensitive).
Stuttering acceptance computed with spot in 82 ms :[(AND (NOT p0) (NOT p3)), (AND (NOT p0) (NOT p3))]
Stuttering acceptance computed with spot in 134 ms :[(AND (NOT p0) (NOT p3)), (AND (NOT p0) (NOT p3))]
[2023-03-16 23:25:50] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
[2023-03-16 23:25:50] [INFO ] Invariant cache hit.
Could not prove EG (AND (NOT p0) (NOT p3))
Stuttering acceptance computed with spot in 85 ms :[(AND (NOT p0) (NOT p3)), (AND (NOT p0) (NOT p3))]
Product exploration explored 100000 steps with 15 reset in 3071 ms.
Product exploration explored 100000 steps with 11 reset in 3211 ms.
Support contains 4 out of 626 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 626/626 places, 31352/31352 transitions.
Applied a total of 0 rules in 157 ms. Remains 626 /626 variables (removed 0) and now considering 31352/31352 (removed 0) transitions.
[2023-03-16 23:26:12] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
[2023-03-16 23:26:12] [INFO ] Invariant cache hit.
[2023-03-16 23:26:14] [INFO ] Implicit Places using invariants in 1928 ms returned []
Implicit Place search using SMT only with invariants took 1928 ms to find 0 implicit places.
[2023-03-16 23:26:14] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
[2023-03-16 23:26:14] [INFO ] Invariant cache hit.
[2023-03-16 23:26:23] [INFO ] Dead Transitions using invariants and state equation in 9267 ms found 0 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 11355 ms. Remains : 626/626 places, 31352/31352 transitions.
Treatment of property RERS17pb113-PT-9-LTLFireability-10 finished in 81256 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)&&F(p1))))'
Support contains 4 out of 627 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 627/627 places, 31353/31353 transitions.
Applied a total of 0 rules in 311 ms. Remains 627 /627 variables (removed 0) and now considering 31353/31353 (removed 0) transitions.
[2023-03-16 23:26:25] [INFO ] Flow matrix only has 18326 transitions (discarded 13027 similar events)
// Phase 1: matrix 18326 rows 627 cols
[2023-03-16 23:26:25] [INFO ] Computed 13 place invariants in 47 ms
[2023-03-16 23:26:27] [INFO ] Implicit Places using invariants in 2135 ms returned []
Implicit Place search using SMT only with invariants took 2140 ms to find 0 implicit places.
[2023-03-16 23:26:27] [INFO ] Flow matrix only has 18326 transitions (discarded 13027 similar events)
[2023-03-16 23:26:27] [INFO ] Invariant cache hit.
[2023-03-16 23:26:36] [INFO ] Dead Transitions using invariants and state equation in 9115 ms found 0 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 11568 ms. Remains : 627/627 places, 31353/31353 transitions.
Stuttering acceptance computed with spot in 140 ms :[(OR (NOT p0) (NOT p1)), (NOT p0), (NOT p1)]
Running random walk in product with property : RERS17pb113-PT-9-LTLFireability-11 automaton TGBA Formula[mat=[[{ cond=true, acceptance={} source=0 dest: 0}, { cond=(NOT p0), acceptance={} source=0 dest: 1}, { cond=(NOT p1), acceptance={} source=0 dest: 2}], [{ cond=(NOT p0), acceptance={0} source=1 dest: 1}], [{ cond=(NOT p1), acceptance={0} source=2 dest: 2}]], initial=0, aps=[p0:(AND (GEQ s284 1) (GEQ s438 1)), p1:(AND (GEQ s7 1) (GEQ s121 1))], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, no-univ-branch, stutter-invariant, very-weak, weak, inherently-weak], stateDesc=[null, null, null][true, true, true]]
Product exploration explored 100000 steps with 0 reset in 3170 ms.
Product exploration explored 100000 steps with 1 reset in 3128 ms.
Computed a total of 1 stabilizing places and 1 stable transitions
Computed a total of 1 stabilizing places and 1 stable transitions
Knowledge obtained : [(AND (NOT p0) (NOT p1)), (X (NOT p1)), (X (NOT p0)), (X (X (NOT p1))), (X (X (NOT p0)))]
False Knowledge obtained : []
Knowledge based reduction with 5 factoid took 197 ms. Reduced automaton from 3 states, 5 edges and 2 AP (stutter insensitive) to 3 states, 5 edges and 2 AP (stutter insensitive).
Stuttering acceptance computed with spot in 101 ms :[(OR (NOT p0) (NOT p1)), (NOT p0), (NOT p1)]
Incomplete random walk after 10000 steps, including 2 resets, run finished after 182 ms. (steps per millisecond=54 ) properties (out of 2) seen :1
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 24 ms. (steps per millisecond=416 ) properties (out of 1) seen :0
Running SMT prover for 1 properties.
[2023-03-16 23:26:43] [INFO ] Flow matrix only has 18326 transitions (discarded 13027 similar events)
[2023-03-16 23:26:43] [INFO ] Invariant cache hit.
[2023-03-16 23:26:43] [INFO ] [Real]Absence check using 13 positive place invariants in 6 ms returned sat
[2023-03-16 23:27:00] [INFO ] After 17270ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
[2023-03-16 23:27:00] [INFO ] [Nat]Absence check using 13 positive place invariants in 5 ms returned sat
[2023-03-16 23:27:17] [INFO ] After 16176ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
[2023-03-16 23:27:17] [INFO ] State equation strengthened by 829 read => feed constraints.
[2023-03-16 23:27:25] [INFO ] After 8638ms SMT Verify possible using 829 Read/Feed constraints in natural domain returned unsat :0 sat :0
[2023-03-16 23:27:25] [INFO ] After 25035ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :0
Parikh walk visited 0 properties in 7 ms.
Support contains 2 out of 627 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 627/627 places, 31353/31353 transitions.
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 0 with 1 rules applied. Total rules applied 1 place count 626 transition count 31352
Applied a total of 1 rules in 327 ms. Remains 626 /627 variables (removed 1) and now considering 31352/31353 (removed 1) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 327 ms. Remains : 626/627 places, 31352/31353 transitions.
Incomplete random walk after 10000 steps, including 2 resets, run finished after 205 ms. (steps per millisecond=48 ) properties (out of 1) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 21 ms. (steps per millisecond=476 ) properties (out of 1) seen :0
Interrupted probabilistic random walk after 25217 steps, run timeout after 3002 ms. (steps per millisecond=8 ) properties seen :{}
Probabilistic random walk after 25217 steps, saw 22875 distinct states, run finished after 3002 ms. (steps per millisecond=8 ) properties seen :0
Running SMT prover for 1 properties.
[2023-03-16 23:27:29] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
// Phase 1: matrix 18325 rows 626 cols
[2023-03-16 23:27:29] [INFO ] Computed 13 place invariants in 40 ms
[2023-03-16 23:27:29] [INFO ] [Real]Absence check using 13 positive place invariants in 5 ms returned sat
[2023-03-16 23:27:46] [INFO ] After 16863ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
[2023-03-16 23:27:46] [INFO ] [Nat]Absence check using 13 positive place invariants in 5 ms returned sat
[2023-03-16 23:28:03] [INFO ] After 17327ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
[2023-03-16 23:28:03] [INFO ] State equation strengthened by 268 read => feed constraints.
[2023-03-16 23:28:11] [INFO ] After 7529ms SMT Verify possible using 268 Read/Feed constraints in natural domain returned unsat :0 sat :0
[2023-03-16 23:28:11] [INFO ] After 25040ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :0
Parikh walk visited 0 properties in 9 ms.
Support contains 2 out of 626 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 626/626 places, 31352/31352 transitions.
Applied a total of 0 rules in 168 ms. Remains 626 /626 variables (removed 0) and now considering 31352/31352 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 169 ms. Remains : 626/626 places, 31352/31352 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 626/626 places, 31352/31352 transitions.
Applied a total of 0 rules in 169 ms. Remains 626 /626 variables (removed 0) and now considering 31352/31352 (removed 0) transitions.
[2023-03-16 23:28:11] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
[2023-03-16 23:28:11] [INFO ] Invariant cache hit.
[2023-03-16 23:28:13] [INFO ] Implicit Places using invariants in 1962 ms returned []
Implicit Place search using SMT only with invariants took 1980 ms to find 0 implicit places.
[2023-03-16 23:28:13] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
[2023-03-16 23:28:13] [INFO ] Invariant cache hit.
[2023-03-16 23:28:23] [INFO ] Dead Transitions using invariants and state equation in 9249 ms found 0 transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 11408 ms. Remains : 626/626 places, 31352/31352 transitions.
Ensure Unique test removed 13027 transitions
Reduce isomorphic transitions removed 13027 transitions.
Iterating post reduction 0 with 13027 rules applied. Total rules applied 13027 place count 626 transition count 18325
Applied a total of 13027 rules in 494 ms. Remains 626 /626 variables (removed 0) and now considering 18325/31352 (removed 13027) transitions.
Running SMT prover for 1 properties.
// Phase 1: matrix 18325 rows 626 cols
[2023-03-16 23:28:23] [INFO ] Computed 13 place invariants in 49 ms
[2023-03-16 23:28:23] [INFO ] [Real]Absence check using 13 positive place invariants in 6 ms returned sat
[2023-03-16 23:28:43] [INFO ] After 19198ms SMT Verify possible using state equation in real domain returned unsat :0 sat :1
[2023-03-16 23:28:43] [INFO ] After 19921ms SMT Verify possible using trap constraints in real domain returned unsat :0 sat :0 real:1
[2023-03-16 23:28:43] [INFO ] After 20029ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
[2023-03-16 23:28:43] [INFO ] [Nat]Absence check using 13 positive place invariants in 5 ms returned sat
[2023-03-16 23:29:01] [INFO ] After 17569ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
[2023-03-16 23:29:02] [INFO ] After 18236ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
Attempting to minimize the solution found.
Minimization took 477 ms.
[2023-03-16 23:29:02] [INFO ] After 18806ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
Knowledge obtained : [(AND (NOT p0) (NOT p1)), (X (NOT p1)), (X (NOT p0)), (X (X (NOT p1))), (X (X (NOT p0)))]
False Knowledge obtained : [(F p0)]
Knowledge based reduction with 5 factoid took 358 ms. Reduced automaton from 3 states, 5 edges and 2 AP (stutter insensitive) to 3 states, 5 edges and 2 AP (stutter insensitive).
Stuttering acceptance computed with spot in 104 ms :[(OR (NOT p0) (NOT p1)), (NOT p0), (NOT p1)]
Stuttering acceptance computed with spot in 98 ms :[(OR (NOT p0) (NOT p1)), (NOT p0), (NOT p1)]
[2023-03-16 23:29:03] [INFO ] Flow matrix only has 18326 transitions (discarded 13027 similar events)
// Phase 1: matrix 18326 rows 627 cols
[2023-03-16 23:29:03] [INFO ] Computed 13 place invariants in 40 ms
Could not prove EG (NOT p0)
[2023-03-16 23:29:18] [INFO ] Flow matrix only has 18326 transitions (discarded 13027 similar events)
[2023-03-16 23:29:18] [INFO ] Invariant cache hit.
Could not prove EG (NOT p1)
Support contains 4 out of 627 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 627/627 places, 31353/31353 transitions.
Applied a total of 0 rules in 153 ms. Remains 627 /627 variables (removed 0) and now considering 31353/31353 (removed 0) transitions.
[2023-03-16 23:29:33] [INFO ] Flow matrix only has 18326 transitions (discarded 13027 similar events)
[2023-03-16 23:29:33] [INFO ] Invariant cache hit.
[2023-03-16 23:29:35] [INFO ] Implicit Places using invariants in 1838 ms returned []
Implicit Place search using SMT only with invariants took 1859 ms to find 0 implicit places.
[2023-03-16 23:29:35] [INFO ] Flow matrix only has 18326 transitions (discarded 13027 similar events)
[2023-03-16 23:29:35] [INFO ] Invariant cache hit.
[2023-03-16 23:29:43] [INFO ] Dead Transitions using invariants and state equation in 8384 ms found 0 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 10414 ms. Remains : 627/627 places, 31353/31353 transitions.
Computed a total of 1 stabilizing places and 1 stable transitions
Computed a total of 1 stabilizing places and 1 stable transitions
Knowledge obtained : [(AND (NOT p0) (NOT p1)), (X (NOT p1)), (X (NOT p0)), (X (X (NOT p1))), (X (X (NOT p0)))]
False Knowledge obtained : []
Knowledge based reduction with 5 factoid took 202 ms. Reduced automaton from 3 states, 5 edges and 2 AP (stutter insensitive) to 3 states, 5 edges and 2 AP (stutter insensitive).
Stuttering acceptance computed with spot in 87 ms :[(OR (NOT p0) (NOT p1)), (NOT p0), (NOT p1)]
Incomplete random walk after 10000 steps, including 2 resets, run finished after 192 ms. (steps per millisecond=52 ) properties (out of 2) seen :1
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 21 ms. (steps per millisecond=476 ) properties (out of 1) seen :0
Running SMT prover for 1 properties.
[2023-03-16 23:29:44] [INFO ] Flow matrix only has 18326 transitions (discarded 13027 similar events)
[2023-03-16 23:29:44] [INFO ] Invariant cache hit.
[2023-03-16 23:29:44] [INFO ] [Real]Absence check using 13 positive place invariants in 5 ms returned sat
[2023-03-16 23:30:01] [INFO ] After 16887ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
[2023-03-16 23:30:01] [INFO ] [Nat]Absence check using 13 positive place invariants in 6 ms returned sat
[2023-03-16 23:30:18] [INFO ] After 16973ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
[2023-03-16 23:30:18] [INFO ] State equation strengthened by 829 read => feed constraints.
[2023-03-16 23:30:26] [INFO ] After 7852ms SMT Verify possible using 829 Read/Feed constraints in natural domain returned unsat :0 sat :0
[2023-03-16 23:30:26] [INFO ] After 25046ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :0
Parikh walk visited 0 properties in 4 ms.
Support contains 2 out of 627 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 627/627 places, 31353/31353 transitions.
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 0 with 1 rules applied. Total rules applied 1 place count 626 transition count 31352
Applied a total of 1 rules in 307 ms. Remains 626 /627 variables (removed 1) and now considering 31352/31353 (removed 1) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 308 ms. Remains : 626/627 places, 31352/31353 transitions.
Incomplete random walk after 10000 steps, including 2 resets, run finished after 228 ms. (steps per millisecond=43 ) properties (out of 1) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 21 ms. (steps per millisecond=476 ) properties (out of 1) seen :0
Interrupted probabilistic random walk after 24687 steps, run timeout after 3002 ms. (steps per millisecond=8 ) properties seen :{}
Probabilistic random walk after 24687 steps, saw 22398 distinct states, run finished after 3002 ms. (steps per millisecond=8 ) properties seen :0
Running SMT prover for 1 properties.
[2023-03-16 23:30:30] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
// Phase 1: matrix 18325 rows 626 cols
[2023-03-16 23:30:30] [INFO ] Computed 13 place invariants in 49 ms
[2023-03-16 23:30:30] [INFO ] [Real]Absence check using 13 positive place invariants in 6 ms returned sat
[2023-03-16 23:30:46] [INFO ] After 15916ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
[2023-03-16 23:30:46] [INFO ] [Nat]Absence check using 13 positive place invariants in 5 ms returned sat
[2023-03-16 23:31:01] [INFO ] After 14859ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
[2023-03-16 23:31:01] [INFO ] State equation strengthened by 268 read => feed constraints.
[2023-03-16 23:31:08] [INFO ] After 7261ms SMT Verify possible using 268 Read/Feed constraints in natural domain returned unsat :0 sat :1
[2023-03-16 23:31:09] [INFO ] Deduced a trap composed of 40 places in 680 ms of which 0 ms to minimize.
[2023-03-16 23:31:10] [INFO ] Deduced a trap composed of 64 places in 541 ms of which 0 ms to minimize.
[2023-03-16 23:31:11] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 2383 ms
[2023-03-16 23:31:11] [INFO ] After 10038ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
Attempting to minimize the solution found.
Minimization took 2 ms.
[2023-03-16 23:31:11] [INFO ] After 25083ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
Parikh walk visited 0 properties in 3 ms.
Support contains 2 out of 626 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 626/626 places, 31352/31352 transitions.
Applied a total of 0 rules in 155 ms. Remains 626 /626 variables (removed 0) and now considering 31352/31352 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 156 ms. Remains : 626/626 places, 31352/31352 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 626/626 places, 31352/31352 transitions.
Applied a total of 0 rules in 161 ms. Remains 626 /626 variables (removed 0) and now considering 31352/31352 (removed 0) transitions.
[2023-03-16 23:31:11] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
[2023-03-16 23:31:11] [INFO ] Invariant cache hit.
[2023-03-16 23:31:13] [INFO ] Implicit Places using invariants in 1814 ms returned []
Implicit Place search using SMT only with invariants took 1832 ms to find 0 implicit places.
[2023-03-16 23:31:13] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
[2023-03-16 23:31:13] [INFO ] Invariant cache hit.
[2023-03-16 23:31:22] [INFO ] Dead Transitions using invariants and state equation in 9224 ms found 0 transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 11225 ms. Remains : 626/626 places, 31352/31352 transitions.
Ensure Unique test removed 13027 transitions
Reduce isomorphic transitions removed 13027 transitions.
Iterating post reduction 0 with 13027 rules applied. Total rules applied 13027 place count 626 transition count 18325
Applied a total of 13027 rules in 508 ms. Remains 626 /626 variables (removed 0) and now considering 18325/31352 (removed 13027) transitions.
Running SMT prover for 1 properties.
// Phase 1: matrix 18325 rows 626 cols
[2023-03-16 23:31:23] [INFO ] Computed 13 place invariants in 42 ms
[2023-03-16 23:31:23] [INFO ] [Real]Absence check using 13 positive place invariants in 5 ms returned sat
[2023-03-16 23:31:41] [INFO ] After 18130ms SMT Verify possible using state equation in real domain returned unsat :0 sat :1
[2023-03-16 23:31:42] [INFO ] After 18859ms SMT Verify possible using trap constraints in real domain returned unsat :0 sat :0 real:1
[2023-03-16 23:31:42] [INFO ] After 18941ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
[2023-03-16 23:31:42] [INFO ] [Nat]Absence check using 13 positive place invariants in 5 ms returned sat
[2023-03-16 23:32:00] [INFO ] After 17854ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
[2023-03-16 23:32:00] [INFO ] After 18573ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
Attempting to minimize the solution found.
Minimization took 514 ms.
[2023-03-16 23:32:01] [INFO ] After 19177ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
Knowledge obtained : [(AND (NOT p0) (NOT p1)), (X (NOT p1)), (X (NOT p0)), (X (X (NOT p1))), (X (X (NOT p0)))]
False Knowledge obtained : [(F p0)]
Knowledge based reduction with 5 factoid took 220 ms. Reduced automaton from 3 states, 5 edges and 2 AP (stutter insensitive) to 3 states, 5 edges and 2 AP (stutter insensitive).
Stuttering acceptance computed with spot in 133 ms :[(OR (NOT p0) (NOT p1)), (NOT p0), (NOT p1)]
Stuttering acceptance computed with spot in 93 ms :[(OR (NOT p0) (NOT p1)), (NOT p0), (NOT p1)]
[2023-03-16 23:32:01] [INFO ] Flow matrix only has 18326 transitions (discarded 13027 similar events)
// Phase 1: matrix 18326 rows 627 cols
[2023-03-16 23:32:02] [INFO ] Computed 13 place invariants in 49 ms
Could not prove EG (NOT p0)
[2023-03-16 23:32:17] [INFO ] Flow matrix only has 18326 transitions (discarded 13027 similar events)
[2023-03-16 23:32:17] [INFO ] Invariant cache hit.
Could not prove EG (NOT p1)
Stuttering acceptance computed with spot in 97 ms :[(OR (NOT p0) (NOT p1)), (NOT p0), (NOT p1)]
Product exploration explored 100000 steps with 1 reset in 2901 ms.
Product exploration explored 100000 steps with 0 reset in 2992 ms.
Support contains 4 out of 627 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 627/627 places, 31353/31353 transitions.
Applied a total of 0 rules in 192 ms. Remains 627 /627 variables (removed 0) and now considering 31353/31353 (removed 0) transitions.
[2023-03-16 23:32:38] [INFO ] Flow matrix only has 18326 transitions (discarded 13027 similar events)
[2023-03-16 23:32:38] [INFO ] Invariant cache hit.
[2023-03-16 23:32:40] [INFO ] Implicit Places using invariants in 1876 ms returned []
Implicit Place search using SMT only with invariants took 1899 ms to find 0 implicit places.
[2023-03-16 23:32:40] [INFO ] Flow matrix only has 18326 transitions (discarded 13027 similar events)
[2023-03-16 23:32:40] [INFO ] Invariant cache hit.
[2023-03-16 23:32:49] [INFO ] Dead Transitions using invariants and state equation in 9389 ms found 0 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 11499 ms. Remains : 627/627 places, 31353/31353 transitions.
Treatment of property RERS17pb113-PT-9-LTLFireability-11 finished in 385782 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 627 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 627/627 places, 31353/31353 transitions.
Reduce places removed 1 places and 1 transitions.
Applied a total of 0 rules in 162 ms. Remains 626 /627 variables (removed 1) and now considering 31352/31353 (removed 1) transitions.
[2023-03-16 23:32:50] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
// Phase 1: matrix 18325 rows 626 cols
[2023-03-16 23:32:50] [INFO ] Computed 13 place invariants in 45 ms
[2023-03-16 23:32:52] [INFO ] Implicit Places using invariants in 2030 ms returned []
Implicit Place search using SMT only with invariants took 2053 ms to find 0 implicit places.
[2023-03-16 23:32:52] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
[2023-03-16 23:32:52] [INFO ] Invariant cache hit.
[2023-03-16 23:33:02] [INFO ] Dead Transitions using invariants and state equation in 9284 ms found 0 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 11515 ms. Remains : 626/627 places, 31352/31353 transitions.
Stuttering acceptance computed with spot in 44 ms :[(NOT p0)]
Running random walk in product with property : RERS17pb113-PT-9-LTLFireability-12 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 (LT s162 1) (LT s425 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 3578 ms.
Product exploration explored 100000 steps with 0 reset in 3465 ms.
Computed a total of 0 stabilizing places and 0 stable transitions
Computed a total of 0 stabilizing places and 0 stable transitions
Knowledge obtained : [p0, (X p0), (X (X p0))]
False Knowledge obtained : []
Knowledge based reduction with 3 factoid took 111 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 42 ms :[(NOT p0)]
Incomplete random walk after 10000 steps, including 2 resets, run finished after 234 ms. (steps per millisecond=42 ) properties (out of 1) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 21 ms. (steps per millisecond=476 ) properties (out of 1) seen :0
Interrupted probabilistic random walk after 24985 steps, run timeout after 3001 ms. (steps per millisecond=8 ) properties seen :{}
Probabilistic random walk after 24985 steps, saw 22667 distinct states, run finished after 3001 ms. (steps per millisecond=8 ) properties seen :0
Running SMT prover for 1 properties.
[2023-03-16 23:33:12] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
[2023-03-16 23:33:12] [INFO ] Invariant cache hit.
[2023-03-16 23:33:12] [INFO ] [Real]Absence check using 13 positive place invariants in 6 ms returned sat
[2023-03-16 23:33:29] [INFO ] After 17162ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
[2023-03-16 23:33:30] [INFO ] [Nat]Absence check using 13 positive place invariants in 5 ms returned sat
[2023-03-16 23:33:48] [INFO ] After 17921ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
[2023-03-16 23:33:48] [INFO ] State equation strengthened by 268 read => feed constraints.
[2023-03-16 23:33:55] [INFO ] After 6904ms SMT Verify possible using 268 Read/Feed constraints in natural domain returned unsat :0 sat :0
[2023-03-16 23:33:55] [INFO ] After 25036ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :0
Parikh walk visited 0 properties in 4 ms.
Support contains 2 out of 626 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 626/626 places, 31352/31352 transitions.
Applied a total of 0 rules in 182 ms. Remains 626 /626 variables (removed 0) and now considering 31352/31352 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 183 ms. Remains : 626/626 places, 31352/31352 transitions.
Incomplete random walk after 10002 steps, including 2 resets, run finished after 210 ms. (steps per millisecond=47 ) properties (out of 1) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 21 ms. (steps per millisecond=476 ) properties (out of 1) seen :0
Interrupted probabilistic random walk after 24937 steps, run timeout after 3001 ms. (steps per millisecond=8 ) properties seen :{}
Probabilistic random walk after 24937 steps, saw 22624 distinct states, run finished after 3001 ms. (steps per millisecond=8 ) properties seen :0
Running SMT prover for 1 properties.
[2023-03-16 23:33:58] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
[2023-03-16 23:33:58] [INFO ] Invariant cache hit.
[2023-03-16 23:33:58] [INFO ] [Real]Absence check using 13 positive place invariants in 6 ms returned sat
[2023-03-16 23:34:16] [INFO ] After 17563ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
[2023-03-16 23:34:16] [INFO ] [Nat]Absence check using 13 positive place invariants in 6 ms returned sat
[2023-03-16 23:34:34] [INFO ] After 18574ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
[2023-03-16 23:34:34] [INFO ] State equation strengthened by 268 read => feed constraints.
[2023-03-16 23:34:41] [INFO ] After 6283ms SMT Verify possible using 268 Read/Feed constraints in natural domain returned unsat :0 sat :0
[2023-03-16 23:34:41] [INFO ] After 25041ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :0
Parikh walk visited 0 properties in 8 ms.
Support contains 2 out of 626 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 626/626 places, 31352/31352 transitions.
Applied a total of 0 rules in 168 ms. Remains 626 /626 variables (removed 0) and now considering 31352/31352 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 168 ms. Remains : 626/626 places, 31352/31352 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 626/626 places, 31352/31352 transitions.
Applied a total of 0 rules in 176 ms. Remains 626 /626 variables (removed 0) and now considering 31352/31352 (removed 0) transitions.
[2023-03-16 23:34:41] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
[2023-03-16 23:34:41] [INFO ] Invariant cache hit.
[2023-03-16 23:34:43] [INFO ] Implicit Places using invariants in 1862 ms returned []
Implicit Place search using SMT only with invariants took 1886 ms to find 0 implicit places.
[2023-03-16 23:34:43] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
[2023-03-16 23:34:43] [INFO ] Invariant cache hit.
[2023-03-16 23:34:52] [INFO ] Dead Transitions using invariants and state equation in 9140 ms found 0 transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 11221 ms. Remains : 626/626 places, 31352/31352 transitions.
Knowledge obtained : [p0, (X p0), (X (X p0))]
False Knowledge obtained : []
Knowledge based reduction with 3 factoid took 89 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 29 ms :[(NOT p0)]
Stuttering acceptance computed with spot in 29 ms :[(NOT p0)]
Support contains 2 out of 626 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 626/626 places, 31352/31352 transitions.
Applied a total of 0 rules in 151 ms. Remains 626 /626 variables (removed 0) and now considering 31352/31352 (removed 0) transitions.
[2023-03-16 23:34:52] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
[2023-03-16 23:34:52] [INFO ] Invariant cache hit.
[2023-03-16 23:34:54] [INFO ] Implicit Places using invariants in 1787 ms returned []
Implicit Place search using SMT only with invariants took 1788 ms to find 0 implicit places.
[2023-03-16 23:34:54] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
[2023-03-16 23:34:54] [INFO ] Invariant cache hit.
[2023-03-16 23:35:03] [INFO ] Dead Transitions using invariants and state equation in 9131 ms found 0 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 11082 ms. Remains : 626/626 places, 31352/31352 transitions.
Computed a total of 0 stabilizing places and 0 stable transitions
Computed a total of 0 stabilizing places and 0 stable transitions
Knowledge obtained : [p0, (X p0), (X (X p0))]
False Knowledge obtained : []
Knowledge based reduction with 3 factoid took 100 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 43 ms :[(NOT p0)]
Incomplete random walk after 10000 steps, including 2 resets, run finished after 206 ms. (steps per millisecond=48 ) properties (out of 1) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 19 ms. (steps per millisecond=526 ) properties (out of 1) seen :0
Interrupted probabilistic random walk after 25141 steps, run timeout after 3002 ms. (steps per millisecond=8 ) properties seen :{}
Probabilistic random walk after 25141 steps, saw 22808 distinct states, run finished after 3002 ms. (steps per millisecond=8 ) properties seen :0
Running SMT prover for 1 properties.
[2023-03-16 23:35:07] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
[2023-03-16 23:35:07] [INFO ] Invariant cache hit.
[2023-03-16 23:35:07] [INFO ] [Real]Absence check using 13 positive place invariants in 5 ms returned sat
[2023-03-16 23:35:25] [INFO ] After 18092ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
[2023-03-16 23:35:25] [INFO ] [Nat]Absence check using 13 positive place invariants in 5 ms returned sat
[2023-03-16 23:35:44] [INFO ] After 19258ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
[2023-03-16 23:35:44] [INFO ] State equation strengthened by 268 read => feed constraints.
[2023-03-16 23:35:50] [INFO ] After 5593ms SMT Verify possible using 268 Read/Feed constraints in natural domain returned unsat :0 sat :0
[2023-03-16 23:35:50] [INFO ] After 25029ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :0
Parikh walk visited 0 properties in 8 ms.
Support contains 2 out of 626 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 626/626 places, 31352/31352 transitions.
Applied a total of 0 rules in 164 ms. Remains 626 /626 variables (removed 0) and now considering 31352/31352 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 165 ms. Remains : 626/626 places, 31352/31352 transitions.
Incomplete random walk after 10000 steps, including 2 resets, run finished after 200 ms. (steps per millisecond=50 ) properties (out of 1) seen :0
Incomplete Best-First random walk after 10000 steps, including 2 resets, run finished after 21 ms. (steps per millisecond=476 ) properties (out of 1) seen :0
Interrupted probabilistic random walk after 25207 steps, run timeout after 3001 ms. (steps per millisecond=8 ) properties seen :{}
Probabilistic random walk after 25207 steps, saw 22866 distinct states, run finished after 3001 ms. (steps per millisecond=8 ) properties seen :0
Running SMT prover for 1 properties.
[2023-03-16 23:35:54] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
[2023-03-16 23:35:54] [INFO ] Invariant cache hit.
[2023-03-16 23:35:54] [INFO ] [Real]Absence check using 13 positive place invariants in 6 ms returned sat
[2023-03-16 23:36:11] [INFO ] After 17149ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
[2023-03-16 23:36:11] [INFO ] [Nat]Absence check using 13 positive place invariants in 5 ms returned sat
[2023-03-16 23:36:29] [INFO ] After 17941ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
[2023-03-16 23:36:29] [INFO ] State equation strengthened by 268 read => feed constraints.
[2023-03-16 23:36:36] [INFO ] After 6913ms SMT Verify possible using 268 Read/Feed constraints in natural domain returned unsat :0 sat :0
[2023-03-16 23:36:36] [INFO ] After 25048ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :0
Parikh walk visited 0 properties in 8 ms.
Support contains 2 out of 626 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 626/626 places, 31352/31352 transitions.
Applied a total of 0 rules in 168 ms. Remains 626 /626 variables (removed 0) and now considering 31352/31352 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 168 ms. Remains : 626/626 places, 31352/31352 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 626/626 places, 31352/31352 transitions.
Applied a total of 0 rules in 165 ms. Remains 626 /626 variables (removed 0) and now considering 31352/31352 (removed 0) transitions.
[2023-03-16 23:36:36] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
[2023-03-16 23:36:36] [INFO ] Invariant cache hit.
[2023-03-16 23:36:38] [INFO ] Implicit Places using invariants in 1843 ms returned []
Implicit Place search using SMT only with invariants took 1863 ms to find 0 implicit places.
[2023-03-16 23:36:38] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
[2023-03-16 23:36:38] [INFO ] Invariant cache hit.
[2023-03-16 23:36:47] [INFO ] Dead Transitions using invariants and state equation in 9541 ms found 0 transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 11583 ms. Remains : 626/626 places, 31352/31352 transitions.
Knowledge obtained : [p0, (X p0), (X (X p0))]
False Knowledge obtained : []
Knowledge based reduction with 3 factoid took 118 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 49 ms :[(NOT p0)]
Stuttering acceptance computed with spot in 37 ms :[(NOT p0)]
Stuttering acceptance computed with spot in 31 ms :[(NOT p0)]
Product exploration explored 100000 steps with 0 reset in 2831 ms.
Product exploration explored 100000 steps with 0 reset in 2936 ms.
Support contains 2 out of 626 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 626/626 places, 31352/31352 transitions.
Applied a total of 0 rules in 154 ms. Remains 626 /626 variables (removed 0) and now considering 31352/31352 (removed 0) transitions.
[2023-03-16 23:36:54] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
[2023-03-16 23:36:54] [INFO ] Invariant cache hit.
[2023-03-16 23:36:56] [INFO ] Implicit Places using invariants in 1869 ms returned []
Implicit Place search using SMT only with invariants took 1893 ms to find 0 implicit places.
[2023-03-16 23:36:56] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
[2023-03-16 23:36:56] [INFO ] Invariant cache hit.
[2023-03-16 23:37:05] [INFO ] Dead Transitions using invariants and state equation in 9198 ms found 0 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 11261 ms. Remains : 626/626 places, 31352/31352 transitions.
Treatment of property RERS17pb113-PT-9-LTLFireability-12 finished in 255663 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&&G(p1)))||X(F(!p0)))))'
Support contains 4 out of 627 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 627/627 places, 31353/31353 transitions.
Reduce places removed 1 places and 1 transitions.
Applied a total of 0 rules in 307 ms. Remains 626 /627 variables (removed 1) and now considering 31352/31353 (removed 1) transitions.
[2023-03-16 23:37:06] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
[2023-03-16 23:37:06] [INFO ] Invariant cache hit.
[2023-03-16 23:37:08] [INFO ] Implicit Places using invariants in 1995 ms returned []
Implicit Place search using SMT only with invariants took 2006 ms to find 0 implicit places.
[2023-03-16 23:37:08] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
[2023-03-16 23:37:08] [INFO ] Invariant cache hit.
[2023-03-16 23:37:17] [INFO ] Dead Transitions using invariants and state equation in 9093 ms found 0 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 11407 ms. Remains : 626/627 places, 31352/31353 transitions.
Stuttering acceptance computed with spot in 77 ms :[(AND p0 (NOT p1)), (AND p0 (NOT p1))]
Running random walk in product with property : RERS17pb113-PT-9-LTLFireability-13 automaton TGBA Formula[mat=[[{ cond=true, acceptance={} source=0 dest: 0}, { cond=(OR (NOT p0) (NOT p1)), acceptance={} source=0 dest: 1}], [{ cond=(AND p0 p1), acceptance={} source=1 dest: 1}, { cond=(AND p0 (NOT p1)), acceptance={0} source=1 dest: 1}]], initial=0, aps=[p0:(OR (LT s128 1) (LT s525 1)), p1:(OR (LT s59 1) (LT s291 1))], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, no-univ-branch, stutter-invariant], stateDesc=[null, null][true, true]]
Product exploration explored 100000 steps with 1 reset in 2931 ms.
Product exploration explored 100000 steps with 1 reset in 2988 ms.
Computed a total of 0 stabilizing places and 0 stable transitions
Computed a total of 0 stabilizing places and 0 stable transitions
Knowledge obtained : [(AND p0 p1), (X (AND p0 p1)), (X (NOT (AND p0 (NOT p1)))), (X (X (AND p0 p1))), (X (X (NOT (AND p0 (NOT p1)))))]
False Knowledge obtained : []
Knowledge based reduction with 5 factoid took 192 ms. Reduced automaton from 2 states, 4 edges and 2 AP (stutter insensitive) to 2 states, 4 edges and 2 AP (stutter insensitive).
Stuttering acceptance computed with spot in 76 ms :[(AND p0 (NOT p1)), (AND p0 (NOT p1))]
Finished random walk after 1880 steps, including 0 resets, run visited all 3 properties in 53 ms. (steps per millisecond=35 )
Knowledge obtained : [(AND p0 p1), (X (AND p0 p1)), (X (NOT (AND p0 (NOT p1)))), (X (X (AND p0 p1))), (X (X (NOT (AND p0 (NOT p1)))))]
False Knowledge obtained : [(F (OR (NOT p0) (NOT p1))), (F (AND p0 (NOT p1))), (F (NOT (AND p0 p1)))]
Knowledge based reduction with 5 factoid took 235 ms. Reduced automaton from 2 states, 4 edges and 2 AP (stutter insensitive) to 2 states, 4 edges and 2 AP (stutter insensitive).
Stuttering acceptance computed with spot in 67 ms :[(AND p0 (NOT p1)), (AND p0 (NOT p1))]
Stuttering acceptance computed with spot in 59 ms :[(AND p0 (NOT p1)), (AND p0 (NOT p1))]
Support contains 4 out of 626 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 626/626 places, 31352/31352 transitions.
Applied a total of 0 rules in 152 ms. Remains 626 /626 variables (removed 0) and now considering 31352/31352 (removed 0) transitions.
[2023-03-16 23:37:24] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
[2023-03-16 23:37:24] [INFO ] Invariant cache hit.
[2023-03-16 23:37:26] [INFO ] Implicit Places using invariants in 1800 ms returned []
Implicit Place search using SMT only with invariants took 1814 ms to find 0 implicit places.
[2023-03-16 23:37:26] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
[2023-03-16 23:37:26] [INFO ] Invariant cache hit.
[2023-03-16 23:37:35] [INFO ] Dead Transitions using invariants and state equation in 9262 ms found 0 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 11253 ms. Remains : 626/626 places, 31352/31352 transitions.
Computed a total of 0 stabilizing places and 0 stable transitions
Computed a total of 0 stabilizing places and 0 stable transitions
Knowledge obtained : [(AND p0 p1), (X (AND p0 p1)), (X (NOT (AND p0 (NOT p1)))), (X (X (AND p0 p1))), (X (X (NOT (AND p0 (NOT p1)))))]
False Knowledge obtained : []
Knowledge based reduction with 5 factoid took 171 ms. Reduced automaton from 2 states, 4 edges and 2 AP (stutter insensitive) to 2 states, 4 edges and 2 AP (stutter insensitive).
Stuttering acceptance computed with spot in 69 ms :[(AND p0 (NOT p1)), (AND p0 (NOT p1))]
Finished random walk after 2536 steps, including 0 resets, run visited all 3 properties in 86 ms. (steps per millisecond=29 )
Knowledge obtained : [(AND p0 p1), (X (AND p0 p1)), (X (NOT (AND p0 (NOT p1)))), (X (X (AND p0 p1))), (X (X (NOT (AND p0 (NOT p1)))))]
False Knowledge obtained : [(F (OR (NOT p0) (NOT p1))), (F (AND p0 (NOT p1))), (F (NOT (AND p0 p1)))]
Knowledge based reduction with 5 factoid took 254 ms. Reduced automaton from 2 states, 4 edges and 2 AP (stutter insensitive) to 2 states, 4 edges and 2 AP (stutter insensitive).
Stuttering acceptance computed with spot in 62 ms :[(AND p0 (NOT p1)), (AND p0 (NOT p1))]
Stuttering acceptance computed with spot in 66 ms :[(AND p0 (NOT p1)), (AND p0 (NOT p1))]
Stuttering acceptance computed with spot in 63 ms :[(AND p0 (NOT p1)), (AND p0 (NOT p1))]
Product exploration explored 100000 steps with 1 reset in 2813 ms.
Product exploration explored 100000 steps with 1 reset in 2843 ms.
Support contains 4 out of 626 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 626/626 places, 31352/31352 transitions.
Applied a total of 0 rules in 148 ms. Remains 626 /626 variables (removed 0) and now considering 31352/31352 (removed 0) transitions.
[2023-03-16 23:37:42] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
[2023-03-16 23:37:42] [INFO ] Invariant cache hit.
[2023-03-16 23:37:44] [INFO ] Implicit Places using invariants in 1778 ms returned []
Implicit Place search using SMT only with invariants took 1794 ms to find 0 implicit places.
[2023-03-16 23:37:44] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
[2023-03-16 23:37:44] [INFO ] Invariant cache hit.
[2023-03-16 23:37:53] [INFO ] Dead Transitions using invariants and state equation in 8999 ms found 0 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 10962 ms. Remains : 626/626 places, 31352/31352 transitions.
Treatment of property RERS17pb113-PT-9-LTLFireability-13 finished in 48160 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)||G(p1))))'
Support contains 4 out of 627 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 627/627 places, 31353/31353 transitions.
Reduce places removed 1 places and 1 transitions.
Applied a total of 0 rules in 162 ms. Remains 626 /627 variables (removed 1) and now considering 31352/31353 (removed 1) transitions.
[2023-03-16 23:37:54] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
[2023-03-16 23:37:54] [INFO ] Invariant cache hit.
[2023-03-16 23:37:56] [INFO ] Implicit Places using invariants in 1803 ms returned []
Implicit Place search using SMT only with invariants took 1819 ms to find 0 implicit places.
[2023-03-16 23:37:56] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
[2023-03-16 23:37:56] [INFO ] Invariant cache hit.
[2023-03-16 23:38:05] [INFO ] Dead Transitions using invariants and state equation in 9255 ms found 0 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 11246 ms. Remains : 626/627 places, 31352/31353 transitions.
Stuttering acceptance computed with spot in 33 ms :[(AND (NOT p0) (NOT p1))]
Running random walk in product with property : RERS17pb113-PT-9-LTLFireability-14 automaton TGBA Formula[mat=[[{ cond=(AND p0 p1), acceptance={} source=0 dest: 0}, { cond=(AND (NOT p0) p1), acceptance={0} source=0 dest: 0}, { cond=(AND p0 (NOT p1)), acceptance={1} source=0 dest: 0}, { cond=(AND (NOT p0) (NOT p1)), acceptance={0, 1} source=0 dest: 0}]], initial=0, aps=[p0:(AND (GEQ s220 1) (GEQ s337 1)), p1:(AND (GEQ s334 1) (GEQ s431 1))], nbAcceptance=2, properties=[trans-labels, explicit-labels, trans-acc, complete, deterministic, no-univ-branch, unambiguous, semi-deterministic, stutter-invariant], stateDesc=[null][true]]
Product exploration explored 100000 steps with 0 reset in 3108 ms.
Product exploration explored 100000 steps with 0 reset in 3001 ms.
Computed a total of 0 stabilizing places and 0 stable transitions
Computed a total of 0 stabilizing places and 0 stable transitions
Knowledge obtained : [(AND (NOT p0) (NOT p1)), (X (AND (NOT p0) (NOT p1))), (X (NOT (AND p0 p1))), (X (NOT (AND (NOT p0) p1))), (X (NOT (AND p0 (NOT p1)))), (X (X (AND (NOT p0) (NOT p1)))), (X (X (NOT (AND p0 p1)))), (X (X (NOT (AND (NOT p0) p1)))), (X (X (NOT (AND p0 (NOT p1)))))]
False Knowledge obtained : []
Knowledge based reduction with 9 factoid took 315 ms. Reduced automaton from 1 states, 4 edges and 2 AP (stutter insensitive) to 1 states, 4 edges and 2 AP (stutter insensitive).
Stuttering acceptance computed with spot in 36 ms :[(AND (NOT p0) (NOT p1))]
Incomplete random walk after 10000 steps, including 2 resets, run finished after 418 ms. (steps per millisecond=23 ) properties (out of 4) 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 4) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 26 ms. (steps per millisecond=384 ) properties (out of 4) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 28 ms. (steps per millisecond=357 ) properties (out of 4) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 29 ms. (steps per millisecond=344 ) properties (out of 4) seen :0
Interrupted probabilistic random walk after 24543 steps, run timeout after 3001 ms. (steps per millisecond=8 ) properties seen :{}
Probabilistic random walk after 24543 steps, saw 22272 distinct states, run finished after 3001 ms. (steps per millisecond=8 ) properties seen :0
Running SMT prover for 4 properties.
[2023-03-16 23:38:15] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
[2023-03-16 23:38:15] [INFO ] Invariant cache hit.
[2023-03-16 23:38:16] [INFO ] [Real]Absence check using 13 positive place invariants in 7 ms returned sat
[2023-03-16 23:38:38] [INFO ] After 22316ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:4
[2023-03-16 23:38:38] [INFO ] [Nat]Absence check using 13 positive place invariants in 7 ms returned sat
[2023-03-16 23:38:56] [INFO ] After 18514ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :4
[2023-03-16 23:38:57] [INFO ] State equation strengthened by 268 read => feed constraints.
[2023-03-16 23:39:03] [INFO ] After 6284ms SMT Verify possible using 268 Read/Feed constraints in natural domain returned unsat :0 sat :3
[2023-03-16 23:39:03] [INFO ] After 6284ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :3
Attempting to minimize the solution found.
Minimization took 7 ms.
[2023-03-16 23:39:03] [INFO ] After 25044ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :3
Parikh walk visited 0 properties in 19 ms.
Support contains 4 out of 626 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 626/626 places, 31352/31352 transitions.
Applied a total of 0 rules in 162 ms. Remains 626 /626 variables (removed 0) and now considering 31352/31352 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 163 ms. Remains : 626/626 places, 31352/31352 transitions.
Incomplete random walk after 10000 steps, including 2 resets, run finished after 366 ms. (steps per millisecond=27 ) properties (out of 4) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 26 ms. (steps per millisecond=384 ) properties (out of 4) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 26 ms. (steps per millisecond=384 ) properties (out of 4) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 27 ms. (steps per millisecond=370 ) properties (out of 4) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 28 ms. (steps per millisecond=357 ) properties (out of 4) seen :0
Interrupted probabilistic random walk after 24430 steps, run timeout after 3001 ms. (steps per millisecond=8 ) properties seen :{}
Probabilistic random walk after 24430 steps, saw 22176 distinct states, run finished after 3001 ms. (steps per millisecond=8 ) properties seen :0
Running SMT prover for 4 properties.
[2023-03-16 23:39:07] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
[2023-03-16 23:39:07] [INFO ] Invariant cache hit.
[2023-03-16 23:39:07] [INFO ] [Real]Absence check using 13 positive place invariants in 7 ms returned sat
[2023-03-16 23:39:29] [INFO ] After 22574ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:4
[2023-03-16 23:39:29] [INFO ] [Nat]Absence check using 13 positive place invariants in 7 ms returned sat
[2023-03-16 23:39:48] [INFO ] After 18554ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :4
[2023-03-16 23:39:48] [INFO ] State equation strengthened by 268 read => feed constraints.
[2023-03-16 23:39:54] [INFO ] After 6244ms SMT Verify possible using 268 Read/Feed constraints in natural domain returned unsat :0 sat :3
[2023-03-16 23:39:54] [INFO ] After 6245ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :3
Attempting to minimize the solution found.
Minimization took 6 ms.
[2023-03-16 23:39:54] [INFO ] After 25038ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :3
Parikh walk visited 0 properties in 17 ms.
Support contains 4 out of 626 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 626/626 places, 31352/31352 transitions.
Applied a total of 0 rules in 168 ms. Remains 626 /626 variables (removed 0) and now considering 31352/31352 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 169 ms. Remains : 626/626 places, 31352/31352 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 626/626 places, 31352/31352 transitions.
Applied a total of 0 rules in 163 ms. Remains 626 /626 variables (removed 0) and now considering 31352/31352 (removed 0) transitions.
[2023-03-16 23:39:55] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
[2023-03-16 23:39:55] [INFO ] Invariant cache hit.
[2023-03-16 23:39:56] [INFO ] Implicit Places using invariants in 1817 ms returned []
Implicit Place search using SMT only with invariants took 1838 ms to find 0 implicit places.
[2023-03-16 23:39:56] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
[2023-03-16 23:39:56] [INFO ] Invariant cache hit.
[2023-03-16 23:40:06] [INFO ] Dead Transitions using invariants and state equation in 9122 ms found 0 transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 11139 ms. Remains : 626/626 places, 31352/31352 transitions.
Knowledge obtained : [(AND (NOT p0) (NOT p1)), (X (AND (NOT p0) (NOT p1))), (X (NOT (AND p0 p1))), (X (NOT (AND (NOT p0) p1))), (X (NOT (AND p0 (NOT p1)))), (X (X (AND (NOT p0) (NOT p1)))), (X (X (NOT (AND p0 p1)))), (X (X (NOT (AND (NOT p0) p1)))), (X (X (NOT (AND p0 (NOT p1)))))]
False Knowledge obtained : []
Knowledge based reduction with 9 factoid took 336 ms. Reduced automaton from 1 states, 4 edges and 2 AP (stutter insensitive) to 1 states, 4 edges and 2 AP (stutter insensitive).
Stuttering acceptance computed with spot in 43 ms :[(AND (NOT p0) (NOT p1))]
Stuttering acceptance computed with spot in 29 ms :[(AND (NOT p0) (NOT p1))]
[2023-03-16 23:40:06] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
[2023-03-16 23:40:06] [INFO ] Invariant cache hit.
Could not prove EG (AND (NOT p0) (NOT p1))
Support contains 4 out of 626 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 626/626 places, 31352/31352 transitions.
Applied a total of 0 rules in 166 ms. Remains 626 /626 variables (removed 0) and now considering 31352/31352 (removed 0) transitions.
[2023-03-16 23:40:21] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
[2023-03-16 23:40:21] [INFO ] Invariant cache hit.
[2023-03-16 23:40:23] [INFO ] Implicit Places using invariants in 1785 ms returned []
Implicit Place search using SMT only with invariants took 1799 ms to find 0 implicit places.
[2023-03-16 23:40:23] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
[2023-03-16 23:40:23] [INFO ] Invariant cache hit.
[2023-03-16 23:40:32] [INFO ] Dead Transitions using invariants and state equation in 8711 ms found 0 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 10695 ms. Remains : 626/626 places, 31352/31352 transitions.
Computed a total of 0 stabilizing places and 0 stable transitions
Computed a total of 0 stabilizing places and 0 stable transitions
Knowledge obtained : [(AND (NOT p0) (NOT p1)), (X (AND (NOT p0) (NOT p1))), (X (NOT (AND p0 p1))), (X (NOT (AND (NOT p0) p1))), (X (NOT (AND p0 (NOT p1)))), (X (X (AND (NOT p0) (NOT p1)))), (X (X (NOT (AND p0 p1)))), (X (X (NOT (AND (NOT p0) p1)))), (X (X (NOT (AND p0 (NOT p1)))))]
False Knowledge obtained : []
Knowledge based reduction with 9 factoid took 336 ms. Reduced automaton from 1 states, 4 edges and 2 AP (stutter insensitive) to 1 states, 4 edges and 2 AP (stutter insensitive).
Stuttering acceptance computed with spot in 39 ms :[(AND (NOT p0) (NOT p1))]
Incomplete random walk after 10000 steps, including 2 resets, run finished after 453 ms. (steps per millisecond=22 ) properties (out of 4) seen :0
Incomplete Best-First random walk after 10000 steps, including 2 resets, run finished after 39 ms. (steps per millisecond=256 ) properties (out of 4) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 43 ms. (steps per millisecond=232 ) properties (out of 4) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 43 ms. (steps per millisecond=232 ) properties (out of 4) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 40 ms. (steps per millisecond=250 ) properties (out of 4) seen :0
Interrupted probabilistic random walk after 24474 steps, run timeout after 3001 ms. (steps per millisecond=8 ) properties seen :{}
Probabilistic random walk after 24474 steps, saw 22213 distinct states, run finished after 3001 ms. (steps per millisecond=8 ) properties seen :0
Running SMT prover for 4 properties.
[2023-03-16 23:40:36] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
[2023-03-16 23:40:36] [INFO ] Invariant cache hit.
[2023-03-16 23:40:36] [INFO ] [Real]Absence check using 13 positive place invariants in 6 ms returned sat
[2023-03-16 23:41:00] [INFO ] After 23834ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:4
[2023-03-16 23:41:00] [INFO ] [Nat]Absence check using 13 positive place invariants in 7 ms returned sat
[2023-03-16 23:41:19] [INFO ] After 18608ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :4
[2023-03-16 23:41:19] [INFO ] State equation strengthened by 268 read => feed constraints.
[2023-03-16 23:41:25] [INFO ] After 6206ms SMT Verify possible using 268 Read/Feed constraints in natural domain returned unsat :0 sat :3
[2023-03-16 23:41:25] [INFO ] After 6206ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :3
Attempting to minimize the solution found.
Minimization took 4 ms.
[2023-03-16 23:41:25] [INFO ] After 25059ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :3
Parikh walk visited 0 properties in 18 ms.
Support contains 4 out of 626 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 626/626 places, 31352/31352 transitions.
Applied a total of 0 rules in 158 ms. Remains 626 /626 variables (removed 0) and now considering 31352/31352 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 158 ms. Remains : 626/626 places, 31352/31352 transitions.
Incomplete random walk after 10000 steps, including 2 resets, run finished after 456 ms. (steps per millisecond=21 ) properties (out of 4) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 29 ms. (steps per millisecond=344 ) properties (out of 4) 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 4) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 29 ms. (steps per millisecond=344 ) properties (out of 4) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 28 ms. (steps per millisecond=357 ) properties (out of 4) seen :0
Interrupted probabilistic random walk after 24138 steps, run timeout after 3001 ms. (steps per millisecond=8 ) properties seen :{}
Probabilistic random walk after 24138 steps, saw 21916 distinct states, run finished after 3001 ms. (steps per millisecond=8 ) properties seen :0
Running SMT prover for 4 properties.
[2023-03-16 23:41:29] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
[2023-03-16 23:41:29] [INFO ] Invariant cache hit.
[2023-03-16 23:41:29] [INFO ] [Real]Absence check using 13 positive place invariants in 6 ms returned sat
[2023-03-16 23:41:51] [INFO ] After 22565ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:4
[2023-03-16 23:41:52] [INFO ] [Nat]Absence check using 13 positive place invariants in 6 ms returned sat
[2023-03-16 23:42:11] [INFO ] After 19109ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :4
[2023-03-16 23:42:11] [INFO ] State equation strengthened by 268 read => feed constraints.
[2023-03-16 23:42:17] [INFO ] After 5657ms SMT Verify possible using 268 Read/Feed constraints in natural domain returned unsat :0 sat :3
[2023-03-16 23:42:17] [INFO ] After 5658ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :3
Attempting to minimize the solution found.
Minimization took 4 ms.
[2023-03-16 23:42:17] [INFO ] After 25048ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :3
Parikh walk visited 0 properties in 20 ms.
Support contains 4 out of 626 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 626/626 places, 31352/31352 transitions.
Applied a total of 0 rules in 166 ms. Remains 626 /626 variables (removed 0) and now considering 31352/31352 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 166 ms. Remains : 626/626 places, 31352/31352 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 626/626 places, 31352/31352 transitions.
Applied a total of 0 rules in 163 ms. Remains 626 /626 variables (removed 0) and now considering 31352/31352 (removed 0) transitions.
[2023-03-16 23:42:17] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
[2023-03-16 23:42:17] [INFO ] Invariant cache hit.
[2023-03-16 23:42:19] [INFO ] Implicit Places using invariants in 1841 ms returned []
Implicit Place search using SMT only with invariants took 1857 ms to find 0 implicit places.
[2023-03-16 23:42:19] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
[2023-03-16 23:42:19] [INFO ] Invariant cache hit.
[2023-03-16 23:42:28] [INFO ] Dead Transitions using invariants and state equation in 8917 ms found 0 transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 10942 ms. Remains : 626/626 places, 31352/31352 transitions.
Knowledge obtained : [(AND (NOT p0) (NOT p1)), (X (AND (NOT p0) (NOT p1))), (X (NOT (AND p0 p1))), (X (NOT (AND (NOT p0) p1))), (X (NOT (AND p0 (NOT p1)))), (X (X (AND (NOT p0) (NOT p1)))), (X (X (NOT (AND p0 p1)))), (X (X (NOT (AND (NOT p0) p1)))), (X (X (NOT (AND p0 (NOT p1)))))]
False Knowledge obtained : []
Knowledge based reduction with 9 factoid took 307 ms. Reduced automaton from 1 states, 4 edges and 2 AP (stutter insensitive) to 1 states, 4 edges and 2 AP (stutter insensitive).
Stuttering acceptance computed with spot in 33 ms :[(AND (NOT p0) (NOT p1))]
Stuttering acceptance computed with spot in 30 ms :[(AND (NOT p0) (NOT p1))]
[2023-03-16 23:42:28] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
[2023-03-16 23:42:28] [INFO ] Invariant cache hit.
Could not prove EG (AND (NOT p0) (NOT p1))
Stuttering acceptance computed with spot in 31 ms :[(AND (NOT p0) (NOT p1))]
Product exploration explored 100000 steps with 0 reset in 2884 ms.
Product exploration explored 100000 steps with 0 reset in 3038 ms.
Support contains 4 out of 626 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 626/626 places, 31352/31352 transitions.
Applied a total of 0 rules in 157 ms. Remains 626 /626 variables (removed 0) and now considering 31352/31352 (removed 0) transitions.
[2023-03-16 23:42:49] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
[2023-03-16 23:42:49] [INFO ] Invariant cache hit.
[2023-03-16 23:42:51] [INFO ] Implicit Places using invariants in 1869 ms returned []
Implicit Place search using SMT only with invariants took 1892 ms to find 0 implicit places.
[2023-03-16 23:42:51] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
[2023-03-16 23:42:51] [INFO ] Invariant cache hit.
[2023-03-16 23:43:01] [INFO ] Dead Transitions using invariants and state equation in 9540 ms found 0 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 11590 ms. Remains : 626/626 places, 31352/31352 transitions.
Treatment of property RERS17pb113-PT-9-LTLFireability-14 finished in 307784 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 627 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 627/627 places, 31353/31353 transitions.
Reduce places removed 1 places and 1 transitions.
Applied a total of 0 rules in 175 ms. Remains 626 /627 variables (removed 1) and now considering 31352/31353 (removed 1) transitions.
[2023-03-16 23:43:02] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
[2023-03-16 23:43:02] [INFO ] Invariant cache hit.
[2023-03-16 23:43:04] [INFO ] Implicit Places using invariants in 1829 ms returned []
Implicit Place search using SMT only with invariants took 1843 ms to find 0 implicit places.
[2023-03-16 23:43:04] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
[2023-03-16 23:43:04] [INFO ] Invariant cache hit.
[2023-03-16 23:43:13] [INFO ] Dead Transitions using invariants and state equation in 9279 ms found 0 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 11311 ms. Remains : 626/627 places, 31352/31353 transitions.
Stuttering acceptance computed with spot in 78 ms :[(NOT p0), (AND (NOT p0) (NOT p1))]
Running random walk in product with property : RERS17pb113-PT-9-LTLFireability-15 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 (GEQ s8 1) (GEQ s181 1)), p1:(AND (GEQ s93 1) (GEQ s400 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 15 reset in 2938 ms.
Product exploration explored 100000 steps with 11 reset in 2885 ms.
Computed a total of 0 stabilizing places and 0 stable transitions
Computed a total of 0 stabilizing places and 0 stable transitions
Knowledge obtained : [(AND (NOT p0) (NOT p1)), (X (AND (NOT p0) (NOT p1))), (X (NOT (AND (NOT p0) p1))), (X (NOT p0)), (X (X (AND (NOT p0) (NOT p1)))), (X (X (NOT (AND (NOT p0) p1)))), (X (X (NOT p0)))]
False Knowledge obtained : []
Knowledge based reduction with 7 factoid took 243 ms. Reduced automaton from 2 states, 3 edges and 2 AP (stutter insensitive) to 2 states, 2 edges and 1 AP (stutter sensitive).
Stuttering acceptance computed with spot in 62 ms :[(NOT p0), (NOT p0)]
Incomplete random walk after 10000 steps, including 2 resets, run finished after 229 ms. (steps per millisecond=43 ) properties (out of 1) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 37 ms. (steps per millisecond=270 ) properties (out of 1) seen :0
Interrupted probabilistic random walk after 24915 steps, run timeout after 3001 ms. (steps per millisecond=8 ) properties seen :{}
Probabilistic random walk after 24915 steps, saw 22604 distinct states, run finished after 3001 ms. (steps per millisecond=8 ) properties seen :0
Running SMT prover for 1 properties.
[2023-03-16 23:43:23] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
[2023-03-16 23:43:23] [INFO ] Invariant cache hit.
[2023-03-16 23:43:23] [INFO ] [Real]Absence check using 13 positive place invariants in 5 ms returned sat
[2023-03-16 23:43:41] [INFO ] After 18386ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
[2023-03-16 23:43:41] [INFO ] [Nat]Absence check using 13 positive place invariants in 6 ms returned sat
[2023-03-16 23:44:00] [INFO ] After 18382ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
[2023-03-16 23:44:00] [INFO ] State equation strengthened by 268 read => feed constraints.
[2023-03-16 23:44:06] [INFO ] After 6477ms SMT Verify possible using 268 Read/Feed constraints in natural domain returned unsat :0 sat :0
[2023-03-16 23:44:06] [INFO ] After 25041ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :0
Parikh walk visited 0 properties in 5 ms.
Support contains 2 out of 626 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 626/626 places, 31352/31352 transitions.
Applied a total of 0 rules in 157 ms. Remains 626 /626 variables (removed 0) and now considering 31352/31352 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 157 ms. Remains : 626/626 places, 31352/31352 transitions.
Finished random walk after 6171 steps, including 1 resets, run visited all 1 properties in 156 ms. (steps per millisecond=39 )
Knowledge obtained : [(AND (NOT p0) (NOT p1)), (X (AND (NOT p0) (NOT p1))), (X (NOT (AND (NOT p0) p1))), (X (NOT p0)), (X (X (AND (NOT p0) (NOT p1)))), (X (X (NOT (AND (NOT p0) p1)))), (X (X (NOT p0)))]
False Knowledge obtained : [(F p0)]
Knowledge based reduction with 7 factoid took 307 ms. Reduced automaton from 2 states, 2 edges and 1 AP (stutter sensitive) to 1 states, 1 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 34 ms :[(NOT p0)]
Stuttering acceptance computed with spot in 25 ms :[(NOT p0)]
[2023-03-16 23:44:07] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
[2023-03-16 23:44:07] [INFO ] Invariant cache hit.
Could not prove EG (NOT p0)
Support contains 2 out of 626 places. Attempting structural reductions.
Property had overlarge support with respect to TGBA, discarding it for now.
Starting structural reductions in SI_LTL mode, iteration 0 : 626/626 places, 31352/31352 transitions.
Applied a total of 0 rules in 156 ms. Remains 626 /626 variables (removed 0) and now considering 31352/31352 (removed 0) transitions.
[2023-03-16 23:44:22] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
[2023-03-16 23:44:22] [INFO ] Invariant cache hit.
[2023-03-16 23:44:24] [INFO ] Implicit Places using invariants in 1863 ms returned []
Implicit Place search using SMT only with invariants took 1875 ms to find 0 implicit places.
[2023-03-16 23:44:24] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
[2023-03-16 23:44:24] [INFO ] Invariant cache hit.
[2023-03-16 23:44:33] [INFO ] Dead Transitions using invariants and state equation in 9244 ms found 0 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 11285 ms. Remains : 626/626 places, 31352/31352 transitions.
Computed a total of 0 stabilizing places and 0 stable transitions
Computed a total of 0 stabilizing places and 0 stable transitions
Knowledge obtained : [(NOT p0), (X (NOT p0)), (X (X (NOT p0)))]
False Knowledge obtained : []
Knowledge based reduction with 3 factoid took 94 ms. Reduced automaton from 1 states, 1 edges and 1 AP (stutter insensitive) to 1 states, 1 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 29 ms :[(NOT p0)]
Finished random walk after 6092 steps, including 1 resets, run visited all 1 properties in 127 ms. (steps per millisecond=47 )
Knowledge obtained : [(NOT p0), (X (NOT p0)), (X (X (NOT p0)))]
False Knowledge obtained : [(F p0)]
Knowledge based reduction with 3 factoid took 111 ms. Reduced automaton from 1 states, 1 edges and 1 AP (stutter insensitive) to 1 states, 1 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 29 ms :[(NOT p0)]
Stuttering acceptance computed with spot in 29 ms :[(NOT p0)]
[2023-03-16 23:44:34] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
[2023-03-16 23:44:34] [INFO ] Invariant cache hit.
Could not prove EG (NOT p0)
Stuttering acceptance computed with spot in 32 ms :[(NOT p0)]
Product exploration explored 100000 steps with 21 reset in 2751 ms.
Product exploration explored 100000 steps with 16 reset in 2834 ms.
Support contains 2 out of 626 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 626/626 places, 31352/31352 transitions.
Applied a total of 0 rules in 153 ms. Remains 626 /626 variables (removed 0) and now considering 31352/31352 (removed 0) transitions.
[2023-03-16 23:44:55] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
[2023-03-16 23:44:55] [INFO ] Invariant cache hit.
[2023-03-16 23:44:57] [INFO ] Implicit Places using invariants in 1859 ms returned []
Implicit Place search using SMT only with invariants took 1876 ms to find 0 implicit places.
[2023-03-16 23:44:57] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
[2023-03-16 23:44:57] [INFO ] Invariant cache hit.
[2023-03-16 23:45:06] [INFO ] Dead Transitions using invariants and state equation in 9419 ms found 0 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 11455 ms. Remains : 626/626 places, 31352/31352 transitions.
Treatment of property RERS17pb113-PT-9-LTLFireability-15 finished in 125464 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)))'
Found a Shortening insensitive property : RERS17pb113-PT-9-LTLFireability-00
Stuttering acceptance computed with spot in 109 ms :[(NOT p0), (NOT p0)]
Support contains 2 out of 627 places. Attempting structural reductions.
Starting structural reductions in LI_LTL mode, iteration 0 : 627/627 places, 31353/31353 transitions.
Reduce places removed 1 places and 1 transitions.
Applied a total of 0 rules in 191 ms. Remains 626 /627 variables (removed 1) and now considering 31352/31353 (removed 1) transitions.
[2023-03-16 23:45:08] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
[2023-03-16 23:45:08] [INFO ] Invariant cache hit.
[2023-03-16 23:45:09] [INFO ] Implicit Places using invariants in 1837 ms returned []
Implicit Place search using SMT only with invariants took 1863 ms to find 0 implicit places.
[2023-03-16 23:45:09] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
[2023-03-16 23:45:09] [INFO ] Invariant cache hit.
[2023-03-16 23:45:18] [INFO ] Dead Transitions using invariants and state equation in 8786 ms found 0 transitions.
Finished structural reductions in LI_LTL mode , in 1 iterations and 10841 ms. Remains : 626/627 places, 31352/31353 transitions.
Running random walk in product with property : RERS17pb113-PT-9-LTLFireability-00 automaton TGBA Formula[mat=[[{ cond=true, acceptance={} source=0 dest: 1}], [{ cond=(NOT p0), acceptance={0} source=1 dest: 1}]], initial=0, aps=[p0:(AND (GEQ s538 1) (GEQ s539 1))], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, deterministic, no-univ-branch, unambiguous, semi-deterministic, stutter-sensitive, very-weak, weak, inherently-weak, cl-invariant], stateDesc=[null, null][false, false]]
Product exploration explored 100000 steps with 0 reset in 2924 ms.
Product exploration explored 100000 steps with 0 reset in 2894 ms.
Computed a total of 0 stabilizing places and 0 stable transitions
Computed a total of 0 stabilizing places and 0 stable transitions
Knowledge obtained : [(NOT p0), (X (NOT p0)), (X (X (NOT p0)))]
False Knowledge obtained : []
Knowledge based reduction with 3 factoid took 114 ms. Reduced automaton from 2 states, 2 edges and 1 AP (stutter sensitive) to 1 states, 1 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 40 ms :[(NOT p0)]
Incomplete random walk after 10000 steps, including 2 resets, run finished after 225 ms. (steps per millisecond=44 ) properties (out of 1) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 20 ms. (steps per millisecond=500 ) properties (out of 1) seen :0
Interrupted probabilistic random walk after 24623 steps, run timeout after 3002 ms. (steps per millisecond=8 ) properties seen :{}
Probabilistic random walk after 24623 steps, saw 22341 distinct states, run finished after 3002 ms. (steps per millisecond=8 ) properties seen :0
Running SMT prover for 1 properties.
[2023-03-16 23:45:28] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
[2023-03-16 23:45:28] [INFO ] Invariant cache hit.
[2023-03-16 23:45:28] [INFO ] [Real]Absence check using 13 positive place invariants in 6 ms returned sat
[2023-03-16 23:45:45] [INFO ] After 17443ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
[2023-03-16 23:45:45] [INFO ] [Nat]Absence check using 13 positive place invariants in 5 ms returned sat
[2023-03-16 23:46:03] [INFO ] After 18148ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
[2023-03-16 23:46:03] [INFO ] State equation strengthened by 268 read => feed constraints.
[2023-03-16 23:46:10] [INFO ] After 6710ms SMT Verify possible using 268 Read/Feed constraints in natural domain returned unsat :0 sat :0
[2023-03-16 23:46:10] [INFO ] After 25036ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :0
Parikh walk visited 0 properties in 5 ms.
Support contains 2 out of 626 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 626/626 places, 31352/31352 transitions.
Applied a total of 0 rules in 163 ms. Remains 626 /626 variables (removed 0) and now considering 31352/31352 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 164 ms. Remains : 626/626 places, 31352/31352 transitions.
Incomplete random walk after 10000 steps, including 2 resets, run finished after 212 ms. (steps per millisecond=47 ) properties (out of 1) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 20 ms. (steps per millisecond=500 ) properties (out of 1) seen :0
Interrupted probabilistic random walk after 25078 steps, run timeout after 3001 ms. (steps per millisecond=8 ) properties seen :{}
Probabilistic random walk after 25078 steps, saw 22751 distinct states, run finished after 3001 ms. (steps per millisecond=8 ) properties seen :0
Running SMT prover for 1 properties.
[2023-03-16 23:46:14] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
[2023-03-16 23:46:14] [INFO ] Invariant cache hit.
[2023-03-16 23:46:14] [INFO ] [Real]Absence check using 13 positive place invariants in 6 ms returned sat
[2023-03-16 23:46:30] [INFO ] After 16518ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
[2023-03-16 23:46:30] [INFO ] [Nat]Absence check using 13 positive place invariants in 6 ms returned sat
[2023-03-16 23:46:47] [INFO ] After 16650ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
[2023-03-16 23:46:47] [INFO ] State equation strengthened by 268 read => feed constraints.
[2023-03-16 23:46:55] [INFO ] After 8201ms SMT Verify possible using 268 Read/Feed constraints in natural domain returned unsat :0 sat :0
[2023-03-16 23:46:55] [INFO ] After 25031ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :0
Parikh walk visited 0 properties in 11 ms.
Support contains 2 out of 626 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 626/626 places, 31352/31352 transitions.
Applied a total of 0 rules in 161 ms. Remains 626 /626 variables (removed 0) and now considering 31352/31352 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 161 ms. Remains : 626/626 places, 31352/31352 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 626/626 places, 31352/31352 transitions.
Applied a total of 0 rules in 159 ms. Remains 626 /626 variables (removed 0) and now considering 31352/31352 (removed 0) transitions.
[2023-03-16 23:46:55] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
[2023-03-16 23:46:55] [INFO ] Invariant cache hit.
[2023-03-16 23:46:57] [INFO ] Implicit Places using invariants in 1802 ms returned []
Implicit Place search using SMT only with invariants took 1815 ms to find 0 implicit places.
[2023-03-16 23:46:57] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
[2023-03-16 23:46:57] [INFO ] Invariant cache hit.
[2023-03-16 23:47:06] [INFO ] Dead Transitions using invariants and state equation in 9093 ms found 0 transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 11080 ms. Remains : 626/626 places, 31352/31352 transitions.
Knowledge obtained : [(NOT p0), (X (NOT p0)), (X (X (NOT p0)))]
False Knowledge obtained : []
Knowledge based reduction with 3 factoid took 199 ms. Reduced automaton from 1 states, 1 edges and 1 AP (stutter insensitive) to 1 states, 1 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 46 ms :[(NOT p0)]
Stuttering acceptance computed with spot in 27 ms :[(NOT p0)]
[2023-03-16 23:47:07] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
[2023-03-16 23:47:07] [INFO ] Invariant cache hit.
Could not prove EG (NOT p0)
Support contains 2 out of 626 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 626/626 places, 31352/31352 transitions.
Applied a total of 0 rules in 155 ms. Remains 626 /626 variables (removed 0) and now considering 31352/31352 (removed 0) transitions.
[2023-03-16 23:47:22] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
[2023-03-16 23:47:22] [INFO ] Invariant cache hit.
[2023-03-16 23:47:24] [INFO ] Implicit Places using invariants in 1819 ms returned []
Implicit Place search using SMT only with invariants took 1830 ms to find 0 implicit places.
[2023-03-16 23:47:24] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
[2023-03-16 23:47:24] [INFO ] Invariant cache hit.
[2023-03-16 23:47:33] [INFO ] Dead Transitions using invariants and state equation in 9085 ms found 0 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 11097 ms. Remains : 626/626 places, 31352/31352 transitions.
Computed a total of 0 stabilizing places and 0 stable transitions
Computed a total of 0 stabilizing places and 0 stable transitions
Knowledge obtained : [(NOT p0), (X (NOT p0)), (X (X (NOT p0)))]
False Knowledge obtained : []
Knowledge based reduction with 3 factoid took 103 ms. Reduced automaton from 1 states, 1 edges and 1 AP (stutter insensitive) to 1 states, 1 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 29 ms :[(NOT p0)]
Incomplete random walk after 10000 steps, including 2 resets, run finished after 199 ms. (steps per millisecond=50 ) properties (out of 1) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 21 ms. (steps per millisecond=476 ) properties (out of 1) seen :0
Interrupted probabilistic random walk after 25514 steps, run timeout after 3001 ms. (steps per millisecond=8 ) properties seen :{}
Probabilistic random walk after 25514 steps, saw 23145 distinct states, run finished after 3001 ms. (steps per millisecond=8 ) properties seen :0
Running SMT prover for 1 properties.
[2023-03-16 23:47:37] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
[2023-03-16 23:47:37] [INFO ] Invariant cache hit.
[2023-03-16 23:47:37] [INFO ] [Real]Absence check using 13 positive place invariants in 5 ms returned sat
[2023-03-16 23:47:53] [INFO ] After 16380ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
[2023-03-16 23:47:53] [INFO ] [Nat]Absence check using 13 positive place invariants in 6 ms returned sat
[2023-03-16 23:48:11] [INFO ] After 17582ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
[2023-03-16 23:48:11] [INFO ] State equation strengthened by 268 read => feed constraints.
[2023-03-16 23:48:18] [INFO ] After 7274ms SMT Verify possible using 268 Read/Feed constraints in natural domain returned unsat :0 sat :0
[2023-03-16 23:48:18] [INFO ] After 25056ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :0
Parikh walk visited 0 properties in 8 ms.
Support contains 2 out of 626 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 626/626 places, 31352/31352 transitions.
Applied a total of 0 rules in 153 ms. Remains 626 /626 variables (removed 0) and now considering 31352/31352 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 154 ms. Remains : 626/626 places, 31352/31352 transitions.
Incomplete random walk after 10000 steps, including 2 resets, run finished after 224 ms. (steps per millisecond=44 ) properties (out of 1) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 20 ms. (steps per millisecond=500 ) properties (out of 1) seen :0
Interrupted probabilistic random walk after 25333 steps, run timeout after 3001 ms. (steps per millisecond=8 ) properties seen :{}
Probabilistic random walk after 25333 steps, saw 22981 distinct states, run finished after 3003 ms. (steps per millisecond=8 ) properties seen :0
Running SMT prover for 1 properties.
[2023-03-16 23:48:21] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
[2023-03-16 23:48:21] [INFO ] Invariant cache hit.
[2023-03-16 23:48:22] [INFO ] [Real]Absence check using 13 positive place invariants in 5 ms returned sat
[2023-03-16 23:48:37] [INFO ] After 15570ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
[2023-03-16 23:48:37] [INFO ] [Nat]Absence check using 13 positive place invariants in 5 ms returned sat
[2023-03-16 23:48:54] [INFO ] After 17358ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
[2023-03-16 23:48:55] [INFO ] State equation strengthened by 268 read => feed constraints.
[2023-03-16 23:49:02] [INFO ] After 7492ms SMT Verify possible using 268 Read/Feed constraints in natural domain returned unsat :0 sat :0
[2023-03-16 23:49:02] [INFO ] After 25027ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :0
Parikh walk visited 0 properties in 8 ms.
Support contains 2 out of 626 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 626/626 places, 31352/31352 transitions.
Applied a total of 0 rules in 165 ms. Remains 626 /626 variables (removed 0) and now considering 31352/31352 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 165 ms. Remains : 626/626 places, 31352/31352 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 626/626 places, 31352/31352 transitions.
Applied a total of 0 rules in 159 ms. Remains 626 /626 variables (removed 0) and now considering 31352/31352 (removed 0) transitions.
[2023-03-16 23:49:02] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
[2023-03-16 23:49:02] [INFO ] Invariant cache hit.
[2023-03-16 23:49:04] [INFO ] Implicit Places using invariants in 1820 ms returned []
Implicit Place search using SMT only with invariants took 1841 ms to find 0 implicit places.
[2023-03-16 23:49:04] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
[2023-03-16 23:49:04] [INFO ] Invariant cache hit.
[2023-03-16 23:49:13] [INFO ] Dead Transitions using invariants and state equation in 9174 ms found 0 transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 11201 ms. Remains : 626/626 places, 31352/31352 transitions.
Knowledge obtained : [(NOT p0), (X (NOT p0)), (X (X (NOT p0)))]
False Knowledge obtained : []
Knowledge based reduction with 3 factoid took 173 ms. Reduced automaton from 1 states, 1 edges and 1 AP (stutter insensitive) to 1 states, 1 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 36 ms :[(NOT p0)]
Stuttering acceptance computed with spot in 28 ms :[(NOT p0)]
[2023-03-16 23:49:14] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
[2023-03-16 23:49:14] [INFO ] Invariant cache hit.
Could not prove EG (NOT p0)
Stuttering acceptance computed with spot in 40 ms :[(NOT p0)]
Product exploration explored 100000 steps with 0 reset in 2782 ms.
Product exploration explored 100000 steps with 0 reset in 2864 ms.
Support contains 2 out of 626 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 626/626 places, 31352/31352 transitions.
Applied a total of 0 rules in 148 ms. Remains 626 /626 variables (removed 0) and now considering 31352/31352 (removed 0) transitions.
[2023-03-16 23:49:35] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
[2023-03-16 23:49:35] [INFO ] Invariant cache hit.
[2023-03-16 23:49:37] [INFO ] Implicit Places using invariants in 1836 ms returned []
Implicit Place search using SMT only with invariants took 1853 ms to find 0 implicit places.
[2023-03-16 23:49:37] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
[2023-03-16 23:49:37] [INFO ] Invariant cache hit.
[2023-03-16 23:49:45] [INFO ] Dead Transitions using invariants and state equation in 8635 ms found 0 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 10645 ms. Remains : 626/626 places, 31352/31352 transitions.
Treatment of property RERS17pb113-PT-9-LTLFireability-00 finished in 278887 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)||G((p1&&F(p2))))))'
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202303021504/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(F(G(p0)))'
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 p1)||(F(X(p2)) U (p0 U p1))))'
Found a Lengthening insensitive property : RERS17pb113-PT-9-LTLFireability-07
Stuttering acceptance computed with spot in 137 ms :[(NOT p1), (OR (AND (NOT p2) p1 (NOT p0)) (AND (NOT p2) (NOT p1) p0)), (NOT p1), (NOT p2)]
Support contains 6 out of 627 places. Attempting structural reductions.
Starting structural reductions in LI_LTL mode, iteration 0 : 627/627 places, 31353/31353 transitions.
Reduce places removed 1 places and 1 transitions.
Applied a total of 0 rules in 157 ms. Remains 626 /627 variables (removed 1) and now considering 31352/31353 (removed 1) transitions.
[2023-03-16 23:49:47] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
[2023-03-16 23:49:47] [INFO ] Invariant cache hit.
[2023-03-16 23:49:48] [INFO ] Implicit Places using invariants in 1746 ms returned []
Implicit Place search using SMT only with invariants took 1757 ms to find 0 implicit places.
[2023-03-16 23:49:48] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
[2023-03-16 23:49:48] [INFO ] Invariant cache hit.
[2023-03-16 23:49:57] [INFO ] Dead Transitions using invariants and state equation in 8968 ms found 0 transitions.
Finished structural reductions in LI_LTL mode , in 1 iterations and 10885 ms. Remains : 626/627 places, 31352/31353 transitions.
Running random walk in product with property : RERS17pb113-PT-9-LTLFireability-07 automaton TGBA Formula[mat=[[{ cond=(AND (NOT p1) (NOT p0)), acceptance={} source=0 dest: 1}, { cond=(NOT p1), acceptance={} source=0 dest: 2}], [{ cond=(AND (NOT p1) p0 (NOT p2)), acceptance={} source=1 dest: 1}, { cond=(AND p1 (NOT p0) (NOT p2)), acceptance={} source=1 dest: 3}], [{ cond=(NOT p1), acceptance={} source=2 dest: 2}, { cond=(AND (NOT p1) (NOT p0)), acceptance={} source=2 dest: 3}], [{ cond=(NOT p2), acceptance={} source=3 dest: 3}]], initial=0, aps=[p1:(AND (GEQ s77 1) (GEQ s450 1)), p0:(AND (GEQ s64 1) (GEQ s492 1)), p2:(AND (GEQ s375 1) (GEQ s597 1))], nbAcceptance=0, properties=[trans-labels, explicit-labels, trans-acc, no-univ-branch, stutter-sensitive, very-weak, weak, inherently-weak, sl-invariant], stateDesc=[null, null, null, null][false, false, false, false]]
Product exploration explored 100000 steps with 1 reset in 2969 ms.
Product exploration explored 100000 steps with 0 reset in 2797 ms.
Computed a total of 0 stabilizing places and 0 stable transitions
Computed a total of 0 stabilizing places and 0 stable transitions
Knowledge obtained : [(AND (NOT p1) (NOT p0) (NOT p2)), (X (NOT (AND (NOT p1) p0 (NOT p2)))), (X (AND (NOT p1) (NOT p0))), (X (NOT p1)), (X (NOT (AND p1 (NOT p0) (NOT p2)))), (X (X (NOT (AND (NOT p1) p0 (NOT p2))))), (X (X (NOT p2))), (X (X (AND (NOT p1) (NOT p0)))), (X (X (NOT p1))), (X (X (NOT (AND p1 (NOT p0) (NOT p2)))))]
False Knowledge obtained : []
Knowledge sufficient to adopt a stutter insensitive property.
Knowledge based reduction with 10 factoid took 383 ms. Reduced automaton from 4 states, 7 edges and 3 AP (stutter sensitive) to 3 states, 5 edges and 3 AP (stutter sensitive).
Stuttering acceptance computed with spot in 106 ms :[(OR (NOT p1) (NOT p2)), (NOT p1), (NOT p2)]
Incomplete random walk after 10000 steps, including 2 resets, run finished after 269 ms. (steps per millisecond=37 ) properties (out of 3) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 22 ms. (steps per millisecond=454 ) properties (out of 3) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 23 ms. (steps per millisecond=434 ) properties (out of 3) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 22 ms. (steps per millisecond=454 ) properties (out of 3) seen :0
Interrupted probabilistic random walk after 24506 steps, run timeout after 3002 ms. (steps per millisecond=8 ) properties seen :{}
Probabilistic random walk after 24506 steps, saw 22240 distinct states, run finished after 3002 ms. (steps per millisecond=8 ) properties seen :0
Running SMT prover for 3 properties.
[2023-03-16 23:50:07] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
[2023-03-16 23:50:07] [INFO ] Invariant cache hit.
[2023-03-16 23:50:07] [INFO ] [Real]Absence check using 13 positive place invariants in 6 ms returned sat
[2023-03-16 23:50:20] [INFO ] After 12235ms SMT Verify possible using state equation in real domain returned unsat :0 sat :1 real:2
[2023-03-16 23:50:20] [INFO ] State equation strengthened by 268 read => feed constraints.
[2023-03-16 23:50:29] [INFO ] After 9702ms SMT Verify possible using 268 Read/Feed constraints in real domain returned unsat :0 sat :0 real:3
[2023-03-16 23:50:29] [INFO ] After 22145ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:3
[2023-03-16 23:50:29] [INFO ] [Nat]Absence check using 13 positive place invariants in 6 ms returned sat
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.checkResults(DeadlockTester.java:797)
at fr.lip6.move.gal.structural.smt.DeadlockTester.verifyPossible(DeadlockTester.java:631)
at fr.lip6.move.gal.structural.smt.DeadlockTester.testUnreachableWithSMTIncremental(DeadlockTester.java:350)
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.LTLLengthAwareSolver.runSLCLLTLTest(LTLLengthAwareSolver.java:100)
at fr.lip6.move.gal.application.Application.startNoEx(Application.java:764)
at fr.lip6.move.gal.application.Application.start(Application.java:178)
at fr.lip6.move.gal.itscl.application.Application.start(Application.java:45)
at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:203)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:136)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:104)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:402)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:255)
at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:77)
at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.base/java.lang.reflect.Method.invoke(Method.java:568)
at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:659)
at org.eclipse.equinox.launcher.Main.basicRun(Main.java:596)
at org.eclipse.equinox.launcher.Main.run(Main.java:1467)
at org.eclipse.equinox.launcher.Main.main(Main.java:1440)
[2023-03-16 23:50:54] [WARNING] SMT solver failed with error :SMT solver raised an error when submitting script.... while checking expressions.
[2023-03-16 23:50:54] [INFO ] After 25023ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :0 real:3
Fused 3 Parikh solutions to 1 different solutions.
Parikh walk visited 0 properties in 0 ms.
Support contains 6 out of 626 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 626/626 places, 31352/31352 transitions.
Applied a total of 0 rules in 161 ms. Remains 626 /626 variables (removed 0) and now considering 31352/31352 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 162 ms. Remains : 626/626 places, 31352/31352 transitions.
Incomplete random walk after 10000 steps, including 2 resets, run finished after 331 ms. (steps per millisecond=30 ) properties (out of 3) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 34 ms. (steps per millisecond=294 ) properties (out of 3) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 30 ms. (steps per millisecond=333 ) properties (out of 3) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 30 ms. (steps per millisecond=333 ) properties (out of 3) seen :0
Interrupted probabilistic random walk after 23133 steps, run timeout after 3001 ms. (steps per millisecond=7 ) properties seen :{}
Probabilistic random walk after 23133 steps, saw 21022 distinct states, run finished after 3001 ms. (steps per millisecond=7 ) properties seen :0
Running SMT prover for 3 properties.
[2023-03-16 23:50:58] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
[2023-03-16 23:50:58] [INFO ] Invariant cache hit.
[2023-03-16 23:50:58] [INFO ] [Real]Absence check using 13 positive place invariants in 6 ms returned sat
[2023-03-16 23:51:10] [INFO ] After 12348ms SMT Verify possible using state equation in real domain returned unsat :0 sat :1 real:2
[2023-03-16 23:51:11] [INFO ] State equation strengthened by 268 read => feed constraints.
[2023-03-16 23:51:20] [INFO ] After 9621ms SMT Verify possible using 268 Read/Feed constraints in real domain returned unsat :0 sat :0 real:3
[2023-03-16 23:51:20] [INFO ] After 22164ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:3
[2023-03-16 23:51:20] [INFO ] [Nat]Absence check using 13 positive place invariants in 6 ms returned sat
[2023-03-16 23:51:45] [INFO ] After 24915ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :2
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:350)
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.LTLLengthAwareSolver.runSLCLLTLTest(LTLLengthAwareSolver.java:100)
at fr.lip6.move.gal.application.Application.startNoEx(Application.java:764)
at fr.lip6.move.gal.application.Application.start(Application.java:178)
at fr.lip6.move.gal.itscl.application.Application.start(Application.java:45)
at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:203)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:136)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:104)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:402)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:255)
at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:77)
at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.base/java.lang.reflect.Method.invoke(Method.java:568)
at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:659)
at org.eclipse.equinox.launcher.Main.basicRun(Main.java:596)
at org.eclipse.equinox.launcher.Main.run(Main.java:1467)
at org.eclipse.equinox.launcher.Main.main(Main.java:1440)
[2023-03-16 23:51:45] [WARNING] SMT solver failed with error :SMT solver raised an error when submitting script.... while checking expressions.
[2023-03-16 23:51:45] [INFO ] After 25046ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :0 real:3
Fused 3 Parikh solutions to 1 different solutions.
Parikh walk visited 0 properties in 0 ms.
Support contains 6 out of 626 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 626/626 places, 31352/31352 transitions.
Applied a total of 0 rules in 155 ms. Remains 626 /626 variables (removed 0) and now considering 31352/31352 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 155 ms. Remains : 626/626 places, 31352/31352 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 626/626 places, 31352/31352 transitions.
Applied a total of 0 rules in 146 ms. Remains 626 /626 variables (removed 0) and now considering 31352/31352 (removed 0) transitions.
[2023-03-16 23:51:46] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
[2023-03-16 23:51:46] [INFO ] Invariant cache hit.
[2023-03-16 23:51:47] [INFO ] Implicit Places using invariants in 1785 ms returned []
Implicit Place search using SMT only with invariants took 1802 ms to find 0 implicit places.
[2023-03-16 23:51:47] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
[2023-03-16 23:51:47] [INFO ] Invariant cache hit.
[2023-03-16 23:51:56] [INFO ] Dead Transitions using invariants and state equation in 8770 ms found 0 transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 10721 ms. Remains : 626/626 places, 31352/31352 transitions.
Knowledge obtained : [(AND (NOT p1) (NOT p0) (NOT p2)), (X (NOT (AND (NOT p1) p0 (NOT p2)))), (X (AND (NOT p1) (NOT p0))), (X (NOT p1)), (X (NOT (AND p1 (NOT p0) (NOT p2)))), (X (X (NOT (AND (NOT p1) p0 (NOT p2))))), (X (X (NOT p2))), (X (X (AND (NOT p1) (NOT p0)))), (X (X (NOT p1))), (X (X (NOT (AND p1 (NOT p0) (NOT p2)))))]
False Knowledge obtained : []
Knowledge based reduction with 10 factoid took 548 ms. Reduced automaton from 3 states, 5 edges and 3 AP (stutter sensitive) to 3 states, 5 edges and 3 AP (stutter sensitive).
Stuttering acceptance computed with spot in 94 ms :[(OR (NOT p1) (NOT p2)), (NOT p1), (NOT p2)]
Stuttering acceptance computed with spot in 110 ms :[(OR (NOT p1) (NOT p2)), (NOT p1), (NOT p2)]
[2023-03-16 23:51:57] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
[2023-03-16 23:51:57] [INFO ] Invariant cache hit.
Could not prove EG (NOT p1)
[2023-03-16 23:52:12] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
[2023-03-16 23:52:12] [INFO ] Invariant cache hit.
Could not prove EG (NOT p2)
Support contains 6 out of 626 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 626/626 places, 31352/31352 transitions.
Applied a total of 0 rules in 64 ms. Remains 626 /626 variables (removed 0) and now considering 31352/31352 (removed 0) transitions.
[2023-03-16 23:52:27] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
[2023-03-16 23:52:27] [INFO ] Invariant cache hit.
[2023-03-16 23:52:29] [INFO ] Implicit Places using invariants in 1758 ms returned []
Implicit Place search using SMT only with invariants took 1774 ms to find 0 implicit places.
[2023-03-16 23:52:29] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
[2023-03-16 23:52:29] [INFO ] Invariant cache hit.
[2023-03-16 23:52:38] [INFO ] Dead Transitions using invariants and state equation in 9189 ms found 0 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 11043 ms. Remains : 626/626 places, 31352/31352 transitions.
Computed a total of 0 stabilizing places and 0 stable transitions
Computed a total of 0 stabilizing places and 0 stable transitions
Knowledge obtained : [(AND (NOT p1) (NOT p0) (NOT p2)), (X (AND (NOT p0) (NOT p1))), (X (NOT p2)), (X (NOT p1)), (X (X (AND (NOT p0) (NOT p1)))), (X (X (NOT p2))), (X (X (NOT p1)))]
False Knowledge obtained : []
Knowledge based reduction with 7 factoid took 332 ms. Reduced automaton from 3 states, 5 edges and 3 AP (stutter sensitive) to 3 states, 5 edges and 3 AP (stutter sensitive).
Stuttering acceptance computed with spot in 102 ms :[(OR (NOT p1) (NOT p2)), (NOT p1), (NOT p2)]
Incomplete random walk after 10000 steps, including 2 resets, run finished after 312 ms. (steps per millisecond=32 ) properties (out of 3) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 23 ms. (steps per millisecond=434 ) properties (out of 3) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 24 ms. (steps per millisecond=416 ) properties (out of 3) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 23 ms. (steps per millisecond=434 ) properties (out of 3) seen :0
Interrupted probabilistic random walk after 24543 steps, run timeout after 3001 ms. (steps per millisecond=8 ) properties seen :{}
Probabilistic random walk after 24543 steps, saw 22272 distinct states, run finished after 3002 ms. (steps per millisecond=8 ) properties seen :0
Running SMT prover for 3 properties.
[2023-03-16 23:52:42] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
[2023-03-16 23:52:42] [INFO ] Invariant cache hit.
[2023-03-16 23:52:42] [INFO ] [Real]Absence check using 13 positive place invariants in 5 ms returned sat
[2023-03-16 23:52:55] [INFO ] After 12477ms SMT Verify possible using state equation in real domain returned unsat :0 sat :1 real:2
[2023-03-16 23:52:55] [INFO ] State equation strengthened by 268 read => feed constraints.
[2023-03-16 23:53:05] [INFO ] After 9738ms SMT Verify possible using 268 Read/Feed constraints in real domain returned unsat :0 sat :0 real:3
[2023-03-16 23:53:05] [INFO ] After 22410ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:3
[2023-03-16 23:53:05] [INFO ] [Nat]Absence check using 13 positive place invariants in 6 ms returned sat
[2023-03-16 23:53:30] [INFO ] After 24904ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :2
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:350)
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.LTLLengthAwareSolver.runSLCLLTLTest(LTLLengthAwareSolver.java:100)
at fr.lip6.move.gal.application.Application.startNoEx(Application.java:764)
at fr.lip6.move.gal.application.Application.start(Application.java:178)
at fr.lip6.move.gal.itscl.application.Application.start(Application.java:45)
at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:203)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:136)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:104)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:402)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:255)
at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:77)
at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.base/java.lang.reflect.Method.invoke(Method.java:568)
at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:659)
at org.eclipse.equinox.launcher.Main.basicRun(Main.java:596)
at org.eclipse.equinox.launcher.Main.run(Main.java:1467)
at org.eclipse.equinox.launcher.Main.main(Main.java:1440)
[2023-03-16 23:53:30] [WARNING] SMT solver failed with error :SMT solver raised an error when submitting script.... while checking expressions.
[2023-03-16 23:53:30] [INFO ] After 25035ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :0 real:3
Fused 3 Parikh solutions to 1 different solutions.
Parikh walk visited 0 properties in 0 ms.
Support contains 6 out of 626 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 626/626 places, 31352/31352 transitions.
Applied a total of 0 rules in 159 ms. Remains 626 /626 variables (removed 0) and now considering 31352/31352 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 159 ms. Remains : 626/626 places, 31352/31352 transitions.
Incomplete random walk after 10000 steps, including 2 resets, run finished after 380 ms. (steps per millisecond=26 ) properties (out of 3) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 31 ms. (steps per millisecond=322 ) properties (out of 3) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 30 ms. (steps per millisecond=333 ) properties (out of 3) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 30 ms. (steps per millisecond=333 ) properties (out of 3) seen :0
Interrupted probabilistic random walk after 22789 steps, run timeout after 3001 ms. (steps per millisecond=7 ) properties seen :{}
Probabilistic random walk after 22789 steps, saw 20711 distinct states, run finished after 3001 ms. (steps per millisecond=7 ) properties seen :0
Running SMT prover for 3 properties.
[2023-03-16 23:53:33] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
[2023-03-16 23:53:33] [INFO ] Invariant cache hit.
[2023-03-16 23:53:34] [INFO ] [Real]Absence check using 13 positive place invariants in 6 ms returned sat
[2023-03-16 23:53:46] [INFO ] After 12443ms SMT Verify possible using state equation in real domain returned unsat :0 sat :1 real:2
[2023-03-16 23:53:46] [INFO ] State equation strengthened by 268 read => feed constraints.
[2023-03-16 23:53:56] [INFO ] After 9661ms SMT Verify possible using 268 Read/Feed constraints in real domain returned unsat :0 sat :0 real:3
[2023-03-16 23:53:56] [INFO ] After 22304ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:3
[2023-03-16 23:53:56] [INFO ] [Nat]Absence check using 13 positive place invariants in 6 ms returned sat
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.checkResults(DeadlockTester.java:797)
at fr.lip6.move.gal.structural.smt.DeadlockTester.verifyPossible(DeadlockTester.java:631)
at fr.lip6.move.gal.structural.smt.DeadlockTester.testUnreachableWithSMTIncremental(DeadlockTester.java:350)
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.LTLLengthAwareSolver.runSLCLLTLTest(LTLLengthAwareSolver.java:100)
at fr.lip6.move.gal.application.Application.startNoEx(Application.java:764)
at fr.lip6.move.gal.application.Application.start(Application.java:178)
at fr.lip6.move.gal.itscl.application.Application.start(Application.java:45)
at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:203)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:136)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:104)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:402)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:255)
at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:77)
at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.base/java.lang.reflect.Method.invoke(Method.java:568)
at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:659)
at org.eclipse.equinox.launcher.Main.basicRun(Main.java:596)
at org.eclipse.equinox.launcher.Main.run(Main.java:1467)
at org.eclipse.equinox.launcher.Main.main(Main.java:1440)
[2023-03-16 23:54:21] [WARNING] SMT solver failed with error :SMT solver raised an error when submitting script.... while checking expressions.
[2023-03-16 23:54:21] [INFO ] After 25056ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :0 real:3
Fused 3 Parikh solutions to 1 different solutions.
Parikh walk visited 0 properties in 0 ms.
Support contains 6 out of 626 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 626/626 places, 31352/31352 transitions.
Applied a total of 0 rules in 159 ms. Remains 626 /626 variables (removed 0) and now considering 31352/31352 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 159 ms. Remains : 626/626 places, 31352/31352 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 626/626 places, 31352/31352 transitions.
Applied a total of 0 rules in 163 ms. Remains 626 /626 variables (removed 0) and now considering 31352/31352 (removed 0) transitions.
[2023-03-16 23:54:21] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
[2023-03-16 23:54:21] [INFO ] Invariant cache hit.
[2023-03-16 23:54:23] [INFO ] Implicit Places using invariants in 1805 ms returned []
Implicit Place search using SMT only with invariants took 1818 ms to find 0 implicit places.
[2023-03-16 23:54:23] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
[2023-03-16 23:54:23] [INFO ] Invariant cache hit.
[2023-03-16 23:54:32] [INFO ] Dead Transitions using invariants and state equation in 8968 ms found 0 transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 10965 ms. Remains : 626/626 places, 31352/31352 transitions.
Knowledge obtained : [(AND (NOT p1) (NOT p0) (NOT p2)), (X (AND (NOT p0) (NOT p1))), (X (NOT p2)), (X (NOT p1)), (X (X (AND (NOT p0) (NOT p1)))), (X (X (NOT p2))), (X (X (NOT p1)))]
False Knowledge obtained : []
Knowledge based reduction with 7 factoid took 259 ms. Reduced automaton from 3 states, 5 edges and 3 AP (stutter sensitive) to 3 states, 5 edges and 3 AP (stutter sensitive).
Stuttering acceptance computed with spot in 114 ms :[(OR (NOT p1) (NOT p2)), (NOT p1), (NOT p2)]
Stuttering acceptance computed with spot in 98 ms :[(OR (NOT p1) (NOT p2)), (NOT p1), (NOT p2)]
[2023-03-16 23:54:32] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
[2023-03-16 23:54:33] [INFO ] Invariant cache hit.
Could not prove EG (NOT p1)
[2023-03-16 23:54:48] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
[2023-03-16 23:54:48] [INFO ] Invariant cache hit.
Could not prove EG (NOT p2)
Stuttering acceptance computed with spot in 113 ms :[(OR (NOT p1) (NOT p2)), (NOT p1), (NOT p2)]
Product exploration explored 100000 steps with 0 reset in 2655 ms.
Product exploration explored 100000 steps with 0 reset in 2756 ms.
Applying partial POR strategy [false, true, true]
Stuttering acceptance computed with spot in 119 ms :[(OR (NOT p1) (NOT p2)), (NOT p1), (NOT p2)]
Support contains 6 out of 626 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 626/626 places, 31352/31352 transitions.
Applied a total of 0 rules in 141 ms. Remains 626 /626 variables (removed 0) and now considering 31352/31352 (removed 0) transitions.
[2023-03-16 23:55:09] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
[2023-03-16 23:55:09] [INFO ] Invariant cache hit.
[2023-03-16 23:55:18] [INFO ] Dead Transitions using invariants and state equation in 8975 ms found 0 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 9126 ms. Remains : 626/626 places, 31352/31352 transitions.
Support contains 6 out of 626 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 626/626 places, 31352/31352 transitions.
Applied a total of 0 rules in 85 ms. Remains 626 /626 variables (removed 0) and now considering 31352/31352 (removed 0) transitions.
[2023-03-16 23:55:18] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
[2023-03-16 23:55:18] [INFO ] Invariant cache hit.
[2023-03-16 23:55:19] [INFO ] Implicit Places using invariants in 1766 ms returned []
Implicit Place search using SMT only with invariants took 1791 ms to find 0 implicit places.
[2023-03-16 23:55:19] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
[2023-03-16 23:55:20] [INFO ] Invariant cache hit.
TIME LIMIT: Killed by timeout after 3600 seconds
MemTotal: 16393232 kB
MemFree: 12936892 kB
After kill :
MemTotal: 16393232 kB
MemFree: 16058152 kB

BK_TIME_CONFINEMENT_REACHED

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

+ ulimit -s 65536
+ [[ -z '' ]]
+ export LTSMIN_MEM_SIZE=8589934592
+ LTSMIN_MEM_SIZE=8589934592
+ export PYTHONPATH=/home/mcc/BenchKit/itstools/pylibs
+ PYTHONPATH=/home/mcc/BenchKit/itstools/pylibs
+ export LD_LIBRARY_PATH=/home/mcc/BenchKit/itstools/pylibs:
+ LD_LIBRARY_PATH=/home/mcc/BenchKit/itstools/pylibs:
++ sed s/.jar//
++ perl -pe 's/.*\.//g'
++ ls /home/mcc/BenchKit/bin//../reducer/bin//../../itstools//itstools/plugins/fr.lip6.move.gal.application.pnmcc_1.0.0.202303021504.jar
+ VERSION=202303021504
+ echo 'Running Version 202303021504'
+ /home/mcc/BenchKit/bin//../reducer/bin//../../itstools//itstools/its-tools -pnfolder /home/mcc/execution -examination LTLFireability -timeout 360 -rebuildPNML

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="RERS17pb113-PT-9"
export BK_EXAMINATION="LTLFireability"
export BK_TOOL="ltsminxred"
export BK_RESULT_DIR="/tmp/BK_RESULTS/OUTPUTS"
export BK_TIME_CONFINEMENT="3600"
export BK_MEMORY_CONFINEMENT="16384"
export BK_BIN_PATH="/home/mcc/BenchKit/bin/"

# this is specific to your benchmark or test

export BIN_DIR="$HOME/BenchKit/bin"

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

# this is for BenchKit: explicit launching of the test
echo "====================================================================="
echo " Generated by BenchKit 2-5348"
echo " Executing tool ltsminxred"
echo " Input is RERS17pb113-PT-9, 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 r329-tall-167889201600068"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/RERS17pb113-PT-9.tgz
mv RERS17pb113-PT-9 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 ;