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.r487-tall-167912703100452.qcow2', fmt=qcow2 size=4294967296 backing_file=/data/fkordon/mcc2023-input.qcow2 cluster_size=65536 lazy_refcounts=off refcount_bits=16
Waiting for the VM to be ready (probing ssh)
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=====================================================================
Generated by BenchKit 2-5348
Executing tool lolaxred
Input is Szymanski-PT-b02, examination is LTLFireability
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r487-tall-167912703100452
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 4.1M
-rw-r--r-- 1 mcc users 7.6K Feb 26 16:50 CTLCardinality.txt
-rw-r--r-- 1 mcc users 83K Feb 26 16:50 CTLCardinality.xml
-rw-r--r-- 1 mcc users 5.3K Feb 26 16:49 CTLFireability.txt
-rw-r--r-- 1 mcc users 46K Feb 26 16:49 CTLFireability.xml
-rw-r--r-- 1 mcc users 3.6K Feb 25 17:19 LTLCardinality.txt
-rw-r--r-- 1 mcc users 25K Feb 25 17:19 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.3K Feb 25 17:19 LTLFireability.txt
-rw-r--r-- 1 mcc users 17K Feb 25 17:19 LTLFireability.xml
-rw-r--r-- 1 mcc users 14K Feb 26 16:53 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 153K Feb 26 16:53 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 7.0K Feb 26 16:51 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 57K Feb 26 16:51 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.6K Feb 25 17:19 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.6K Feb 25 17:19 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 Mar 5 18:23 equiv_col
-rw-r--r-- 1 mcc users 4 Mar 5 18:23 instance
-rw-r--r-- 1 mcc users 6 Mar 5 18:23 iscolored
-rw-r--r-- 1 mcc users 3.7M 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 Szymanski-PT-b02-LTLFireability-00
FORMULA_NAME Szymanski-PT-b02-LTLFireability-01
FORMULA_NAME Szymanski-PT-b02-LTLFireability-02
FORMULA_NAME Szymanski-PT-b02-LTLFireability-03
FORMULA_NAME Szymanski-PT-b02-LTLFireability-04
FORMULA_NAME Szymanski-PT-b02-LTLFireability-05
FORMULA_NAME Szymanski-PT-b02-LTLFireability-06
FORMULA_NAME Szymanski-PT-b02-LTLFireability-07
FORMULA_NAME Szymanski-PT-b02-LTLFireability-08
FORMULA_NAME Szymanski-PT-b02-LTLFireability-09
FORMULA_NAME Szymanski-PT-b02-LTLFireability-10
FORMULA_NAME Szymanski-PT-b02-LTLFireability-11
FORMULA_NAME Szymanski-PT-b02-LTLFireability-12
FORMULA_NAME Szymanski-PT-b02-LTLFireability-13
FORMULA_NAME Szymanski-PT-b02-LTLFireability-14
FORMULA_NAME Szymanski-PT-b02-LTLFireability-15

=== Now, execution of the tool begins

BK_START 1679188793116

bash -c /home/mcc/BenchKit/BenchKit_head.sh 2> STDERR ; echo ; echo -n "BK_STOP " ; date -u +%s%3N
Invoking MCC driver with
BK_TOOL=lolaxred
BK_EXAMINATION=LTLFireability
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=Szymanski-PT-b02
Applying reductions before tool lola
Invoking reducer
Running Version 202303021504
[2023-03-19 01:19:54] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, LTLFireability, -timeout, 360, -rebuildPNML]
[2023-03-19 01:19:54] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2023-03-19 01:19:54] [INFO ] Load time of PNML (sax parser for PT used): 293 ms
[2023-03-19 01:19:54] [INFO ] Transformed 568 places.
[2023-03-19 01:19:55] [INFO ] Transformed 8320 transitions.
[2023-03-19 01:19:55] [INFO ] Parsed PT model containing 568 places and 8320 transitions and 33408 arcs in 435 ms.
Parsed 16 properties from file /home/mcc/execution/LTLFireability.xml in 10 ms.
Working with output stream class java.io.PrintStream
Initial state reduction rules removed 3 formulas.
Deduced a syphon composed of 260 places in 19 ms
Reduce places removed 260 places and 256 transitions.
FORMULA Szymanski-PT-b02-LTLFireability-00 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA Szymanski-PT-b02-LTLFireability-12 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA Szymanski-PT-b02-LTLFireability-13 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Support contains 54 out of 308 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 308/308 places, 8064/8064 transitions.
Reduce places removed 2 places and 0 transitions.
Iterating post reduction 0 with 2 rules applied. Total rules applied 2 place count 306 transition count 8064
Applied a total of 2 rules in 131 ms. Remains 306 /308 variables (removed 2) and now considering 8064/8064 (removed 0) transitions.
[2023-03-19 01:19:55] [INFO ] Flow matrix only has 2733 transitions (discarded 5331 similar events)
// Phase 1: matrix 2733 rows 306 cols
[2023-03-19 01:19:55] [INFO ] Computed 1 place invariants in 64 ms
[2023-03-19 01:19:55] [INFO ] Implicit Places using invariants in 593 ms returned []
[2023-03-19 01:19:55] [INFO ] Flow matrix only has 2733 transitions (discarded 5331 similar events)
[2023-03-19 01:19:55] [INFO ] Invariant cache hit.
[2023-03-19 01:19:56] [INFO ] State equation strengthened by 147 read => feed constraints.
[2023-03-19 01:20:00] [INFO ] Implicit Places using invariants and state equation in 4611 ms returned []
Implicit Place search using SMT with State Equation took 5238 ms to find 0 implicit places.
[2023-03-19 01:20:00] [INFO ] Flow matrix only has 2733 transitions (discarded 5331 similar events)
[2023-03-19 01:20:00] [INFO ] Invariant cache hit.
[2023-03-19 01:20:02] [INFO ] Dead Transitions using invariants and state equation in 2009 ms found 0 transitions.
Starting structural reductions in LTL mode, iteration 1 : 306/308 places, 8064/8064 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 7389 ms. Remains : 306/308 places, 8064/8064 transitions.
Support contains 54 out of 306 places after structural reductions.
[2023-03-19 01:20:03] [INFO ] Flatten gal took : 376 ms
[2023-03-19 01:20:03] [INFO ] Flatten gal took : 267 ms
[2023-03-19 01:20:03] [INFO ] Input system was already deterministic with 8064 transitions.
Support contains 52 out of 306 places (down from 54) after GAL structural reductions.
Incomplete random walk after 10001 steps, including 2 resets, run finished after 502 ms. (steps per millisecond=19 ) properties (out of 29) seen :1
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 13 ms. (steps per millisecond=77 ) properties (out of 28) seen :1
Incomplete Best-First random walk after 1000 steps, including 2 resets, run finished after 11 ms. (steps per millisecond=90 ) properties (out of 27) 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 27) 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 27) seen :1
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 29 ms. (steps per millisecond=34 ) properties (out of 26) 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 26) 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 26) 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 26) seen :0
Incomplete Best-First random walk after 1000 steps, including 2 resets, run finished after 13 ms. (steps per millisecond=76 ) properties (out of 26) seen :1
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 9 ms. (steps per millisecond=111 ) properties (out of 25) seen :0
Incomplete Best-First random walk after 1001 steps, including 3 resets, run finished after 10 ms. (steps per millisecond=100 ) properties (out of 25) seen :2
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 14 ms. (steps per millisecond=71 ) properties (out of 23) seen :0
Incomplete Best-First random walk after 1000 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 9 ms. (steps per millisecond=111 ) 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 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 12 ms. (steps per millisecond=83 ) properties (out of 23) seen :0
Incomplete Best-First random walk after 1000 steps, including 2 resets, run finished after 13 ms. (steps per millisecond=76 ) properties (out of 23) seen :0
Incomplete Best-First random walk after 1000 steps, including 2 resets, run finished after 13 ms. (steps per millisecond=76 ) 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
Running SMT prover for 23 properties.
[2023-03-19 01:20:04] [INFO ] Flow matrix only has 2733 transitions (discarded 5331 similar events)
[2023-03-19 01:20:04] [INFO ] Invariant cache hit.
[2023-03-19 01:20:05] [INFO ] [Real]Absence check using 0 positive and 1 generalized place invariants in 3 ms returned sat
[2023-03-19 01:20:29] [INFO ] After 24654ms SMT Verify possible using state equation in real domain returned unsat :0 sat :10 real:12
[2023-03-19 01:20:29] [INFO ] State equation strengthened by 147 read => feed constraints.
java.lang.RuntimeException: SMT solver raised an error when submitting script. Raised (error "Failed to assert expression: java.io.IOException: Stream close...
at fr.lip6.move.gal.structural.smt.SMTUtils.execAndCheckResult(SMTUtils.java:251)
at fr.lip6.move.gal.structural.smt.DeadlockTester.verifyPossible(DeadlockTester.java:642)
at fr.lip6.move.gal.structural.smt.DeadlockTester.testUnreachableWithSMTIncremental(DeadlockTester.java:339)
at fr.lip6.move.gal.structural.smt.DeadlockTester.testUnreachableWithSMT(DeadlockTester.java:223)
at fr.lip6.move.gal.application.solver.ReachabilitySolver.applyReductions(ReachabilitySolver.java:95)
at fr.lip6.move.gal.application.solver.logic.AtomicReducerSR.checkAtomicPropositionsLogic(AtomicReducerSR.java:105)
at fr.lip6.move.gal.application.solver.logic.AtomicReducerSR.strongReductions(AtomicReducerSR.java:44)
at fr.lip6.move.gal.application.solver.ltl.LTLPropertySolver.preSolveForLogic(LTLPropertySolver.java:176)
at fr.lip6.move.gal.application.solver.ltl.LTLPropertySolver.runStructuralLTLCheck(LTLPropertySolver.java:71)
at fr.lip6.move.gal.application.Application.startNoEx(Application.java:762)
at fr.lip6.move.gal.application.Application.start(Application.java:178)
at fr.lip6.move.gal.itscl.application.Application.start(Application.java:45)
at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:203)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:136)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:104)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:402)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:255)
at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:77)
at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.base/java.lang.reflect.Method.invoke(Method.java:568)
at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:659)
at org.eclipse.equinox.launcher.Main.basicRun(Main.java:596)
at org.eclipse.equinox.launcher.Main.run(Main.java:1467)
at org.eclipse.equinox.launcher.Main.main(Main.java:1440)
[2023-03-19 01:20:29] [WARNING] SMT solver failed with error :SMT solver raised an error when submitting script.... while checking expressions.
[2023-03-19 01:20:29] [INFO ] After 25039ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0
Fused 23 Parikh solutions to 2 different solutions.
Parikh walk visited 0 properties in 6 ms.
Support contains 44 out of 306 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 306/306 places, 8064/8064 transitions.
Applied a total of 0 rules in 437 ms. Remains 306 /306 variables (removed 0) and now considering 8064/8064 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 439 ms. Remains : 306/306 places, 8064/8064 transitions.
Incomplete random walk after 10000 steps, including 2 resets, run finished after 286 ms. (steps per millisecond=34 ) properties (out of 23) seen :0
Incomplete Best-First random walk after 1001 steps, including 3 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 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 12 ms. (steps per millisecond=83 ) properties (out of 23) seen :0
Incomplete Best-First random walk after 1000 steps, including 2 resets, run finished after 9 ms. (steps per millisecond=111 ) properties (out of 23) 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 23) seen :0
Incomplete Best-First random walk after 1000 steps, including 2 resets, run finished after 7 ms. (steps per millisecond=142 ) properties (out of 23) 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 23) 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 23) 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 23) 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 23) 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 23) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 6 ms. (steps per millisecond=166 ) properties (out of 23) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 6 ms. (steps per millisecond=166 ) properties (out of 23) 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 23) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 6 ms. (steps per millisecond=166 ) properties (out of 23) 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 23) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 6 ms. (steps per millisecond=166 ) properties (out of 23) 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 23) 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 23) seen :0
Incomplete Best-First random walk after 1000 steps, including 2 resets, run finished after 7 ms. (steps per millisecond=142 ) properties (out of 23) 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 23) 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 23) seen :0
Interrupted probabilistic random walk after 96907 steps, run timeout after 3001 ms. (steps per millisecond=32 ) properties seen :{7=1}
Probabilistic random walk after 96907 steps, saw 35816 distinct states, run finished after 3001 ms. (steps per millisecond=32 ) properties seen :1
Running SMT prover for 22 properties.
[2023-03-19 01:20:33] [INFO ] Flow matrix only has 2733 transitions (discarded 5331 similar events)
[2023-03-19 01:20:33] [INFO ] Invariant cache hit.
[2023-03-19 01:20:34] [INFO ] [Real]Absence check using 0 positive and 1 generalized place invariants in 2 ms returned sat
[2023-03-19 01:20:58] [INFO ] After 24688ms SMT Verify possible using state equation in real domain returned unsat :0 sat :5 real:16
[2023-03-19 01:20:58] [INFO ] State equation strengthened by 147 read => feed constraints.
java.lang.RuntimeException: SMT solver raised an error when submitting script. Raised (error "Failed to assert expression: java.io.IOException: Stream close...
at fr.lip6.move.gal.structural.smt.SMTUtils.execAndCheckResult(SMTUtils.java:251)
at fr.lip6.move.gal.structural.smt.DeadlockTester.verifyPossible(DeadlockTester.java:642)
at fr.lip6.move.gal.structural.smt.DeadlockTester.testUnreachableWithSMTIncremental(DeadlockTester.java:339)
at fr.lip6.move.gal.structural.smt.DeadlockTester.testUnreachableWithSMT(DeadlockTester.java:223)
at fr.lip6.move.gal.application.solver.ReachabilitySolver.applyReductions(ReachabilitySolver.java:95)
at fr.lip6.move.gal.application.solver.logic.AtomicReducerSR.checkAtomicPropositionsLogic(AtomicReducerSR.java:105)
at fr.lip6.move.gal.application.solver.logic.AtomicReducerSR.strongReductions(AtomicReducerSR.java:44)
at fr.lip6.move.gal.application.solver.ltl.LTLPropertySolver.preSolveForLogic(LTLPropertySolver.java:176)
at fr.lip6.move.gal.application.solver.ltl.LTLPropertySolver.runStructuralLTLCheck(LTLPropertySolver.java:71)
at fr.lip6.move.gal.application.Application.startNoEx(Application.java:762)
at fr.lip6.move.gal.application.Application.start(Application.java:178)
at fr.lip6.move.gal.itscl.application.Application.start(Application.java:45)
at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:203)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:136)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:104)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:402)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:255)
at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:77)
at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.base/java.lang.reflect.Method.invoke(Method.java:568)
at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:659)
at org.eclipse.equinox.launcher.Main.basicRun(Main.java:596)
at org.eclipse.equinox.launcher.Main.run(Main.java:1467)
at org.eclipse.equinox.launcher.Main.main(Main.java:1440)
[2023-03-19 01:20:58] [WARNING] SMT solver failed with error :SMT solver raised an error when submitting script.... while checking expressions.
[2023-03-19 01:20:58] [INFO ] After 25027ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0
Fused 22 Parikh solutions to 1 different solutions.
Parikh walk visited 0 properties in 0 ms.
Support contains 43 out of 306 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 306/306 places, 8064/8064 transitions.
Drop transitions removed 53 transitions
Reduce isomorphic transitions removed 53 transitions.
Iterating post reduction 0 with 53 rules applied. Total rules applied 53 place count 306 transition count 8011
Applied a total of 53 rules in 218 ms. Remains 306 /306 variables (removed 0) and now considering 8011/8064 (removed 53) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 218 ms. Remains : 306/306 places, 8011/8064 transitions.
Incomplete random walk after 10001 steps, including 2 resets, run finished after 274 ms. (steps per millisecond=36 ) properties (out of 22) 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 22) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 20 ms. (steps per millisecond=50 ) properties (out of 22) 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 22) 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 22) 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 22) 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 22) 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 22) 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 22) 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 22) 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 22) 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 22) 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 22) 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 22) seen :0
Incomplete Best-First random walk after 1000 steps, including 2 resets, run finished after 16 ms. (steps per millisecond=62 ) properties (out of 22) 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 22) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 17 ms. (steps per millisecond=58 ) properties (out of 22) seen :0
Incomplete Best-First random walk after 1000 steps, including 2 resets, run finished after 6 ms. (steps per millisecond=166 ) properties (out of 22) 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 22) 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 22) 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 22) seen :0
Incomplete Best-First random walk after 1000 steps, including 2 resets, run finished after 7 ms. (steps per millisecond=142 ) properties (out of 22) 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 22) seen :0
Interrupted probabilistic random walk after 93460 steps, run timeout after 3001 ms. (steps per millisecond=31 ) properties seen :{}
Probabilistic random walk after 93460 steps, saw 34984 distinct states, run finished after 3004 ms. (steps per millisecond=31 ) properties seen :0
Running SMT prover for 22 properties.
[2023-03-19 01:21:02] [INFO ] Flow matrix only has 2680 transitions (discarded 5331 similar events)
// Phase 1: matrix 2680 rows 306 cols
[2023-03-19 01:21:02] [INFO ] Computed 1 place invariants in 39 ms
[2023-03-19 01:21:02] [INFO ] [Real]Absence check using 0 positive and 1 generalized place invariants in 3 ms returned sat
[2023-03-19 01:21:18] [INFO ] After 15225ms SMT Verify possible using all constraints in real domain returned unsat :1 sat :0 real:21
[2023-03-19 01:21:18] [INFO ] [Nat]Absence check using 0 positive and 1 generalized place invariants in 2 ms returned sat
[2023-03-19 01:21:43] [INFO ] After 24735ms SMT Verify possible using state equation in natural domain returned unsat :1 sat :19
[2023-03-19 01:21:43] [INFO ] State equation strengthened by 147 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)
[2023-03-19 01:21:43] [WARNING] SMT solver failed with error :SMT solver raised an error when submitting script.... while checking expressions.
[2023-03-19 01:21:43] [INFO ] After 25048ms SMT Verify possible using all constraints in natural domain returned unsat :1 sat :0 real:21
Fused 22 Parikh solutions to 12 different solutions.
Parikh walk visited 0 properties in 151 ms.
Support contains 39 out of 306 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 306/306 places, 8011/8011 transitions.
Applied a total of 0 rules in 194 ms. Remains 306 /306 variables (removed 0) and now considering 8011/8011 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 195 ms. Remains : 306/306 places, 8011/8011 transitions.
Incomplete random walk after 10000 steps, including 2 resets, run finished after 204 ms. (steps per millisecond=49 ) properties (out of 21) 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 21) 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 21) 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 21) 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 21) 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 21) 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 21) 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 21) 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 21) 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 21) 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 21) seen :0
Incomplete Best-First random walk after 1000 steps, including 2 resets, run finished after 9 ms. (steps per millisecond=111 ) properties (out of 21) 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 21) 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 21) seen :0
Incomplete Best-First random walk after 1000 steps, including 2 resets, run finished after 9 ms. (steps per millisecond=111 ) properties (out of 21) 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 21) seen :1
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 1000 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 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 9 ms. (steps per millisecond=111 ) properties (out of 20) seen :0
Interrupted probabilistic random walk after 95753 steps, run timeout after 3001 ms. (steps per millisecond=31 ) properties seen :{}
Probabilistic random walk after 95753 steps, saw 35418 distinct states, run finished after 3001 ms. (steps per millisecond=31 ) properties seen :0
Running SMT prover for 20 properties.
[2023-03-19 01:21:46] [INFO ] Flow matrix only has 2680 transitions (discarded 5331 similar events)
[2023-03-19 01:21:46] [INFO ] Invariant cache hit.
[2023-03-19 01:21:47] [INFO ] [Real]Absence check using 0 positive and 1 generalized place invariants in 3 ms returned sat
[2023-03-19 01:22:00] [INFO ] After 13566ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:20
[2023-03-19 01:22:00] [INFO ] [Nat]Absence check using 0 positive and 1 generalized place invariants in 3 ms returned sat
[2023-03-19 01:22:25] [INFO ] After 24791ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :16
[2023-03-19 01:22:25] [INFO ] State equation strengthened by 147 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)
[2023-03-19 01:22:25] [WARNING] SMT solver failed with error :SMT solver raised an error when submitting script.... while checking expressions.
[2023-03-19 01:22:25] [INFO ] After 25022ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :0 real:20
Fused 20 Parikh solutions to 16 different solutions.
Parikh walk visited 0 properties in 118 ms.
Support contains 37 out of 306 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 306/306 places, 8011/8011 transitions.
Drop transitions removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 0 with 1 rules applied. Total rules applied 1 place count 306 transition count 8010
Applied a total of 1 rules in 198 ms. Remains 306 /306 variables (removed 0) and now considering 8010/8011 (removed 1) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 199 ms. Remains : 306/306 places, 8010/8011 transitions.
Successfully simplified 1 atomic propositions for a total of 13 simplifications.
Computed a total of 12 stabilizing places and 2432 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' '!((G(p0)||F(G(p1))))'
Support contains 4 out of 306 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 306/306 places, 8064/8064 transitions.
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 1 place count 305 transition count 7936
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 305 transition count 7936
Applied a total of 2 rules in 406 ms. Remains 305 /306 variables (removed 1) and now considering 7936/8064 (removed 128) transitions.
[2023-03-19 01:22:26] [INFO ] Flow matrix only has 2732 transitions (discarded 5204 similar events)
// Phase 1: matrix 2732 rows 305 cols
[2023-03-19 01:22:26] [INFO ] Computed 1 place invariants in 27 ms
[2023-03-19 01:22:26] [INFO ] Implicit Places using invariants in 428 ms returned []
[2023-03-19 01:22:26] [INFO ] Flow matrix only has 2732 transitions (discarded 5204 similar events)
[2023-03-19 01:22:26] [INFO ] Invariant cache hit.
[2023-03-19 01:22:27] [INFO ] State equation strengthened by 147 read => feed constraints.
[2023-03-19 01:22:33] [INFO ] Implicit Places using invariants and state equation in 6570 ms returned []
Implicit Place search using SMT with State Equation took 7001 ms to find 0 implicit places.
[2023-03-19 01:22:34] [INFO ] Redundant transitions in 959 ms returned []
[2023-03-19 01:22:34] [INFO ] Flow matrix only has 2732 transitions (discarded 5204 similar events)
[2023-03-19 01:22:34] [INFO ] Invariant cache hit.
[2023-03-19 01:22:36] [INFO ] Dead Transitions using invariants and state equation in 1858 ms found 0 transitions.
Starting structural reductions in SI_LTL mode, iteration 1 : 305/306 places, 7936/8064 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 10233 ms. Remains : 305/306 places, 7936/8064 transitions.
Stuttering acceptance computed with spot in 461 ms :[(AND (NOT p0) (NOT p1)), (NOT p1)]
Running random walk in product with property : Szymanski-PT-b02-LTLFireability-01 automaton TGBA Formula[mat=[[{ cond=p0, acceptance={} source=0 dest: 0}, { cond=(NOT p0), acceptance={} source=0 dest: 1}], [{ cond=p1, acceptance={} source=1 dest: 1}, { cond=(NOT p1), acceptance={0} source=1 dest: 1}]], initial=0, aps=[p0:(AND (GEQ s100 1) (GEQ s295 1)), p1:(AND (GEQ s88 1) (GEQ s287 1))], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, complete, deterministic, no-univ-branch, unambiguous, semi-deterministic, stutter-invariant], stateDesc=[null, null][true, true]]
Product exploration explored 100000 steps with 0 reset in 534 ms.
Stack based approach found an accepted trace after 59 steps with 0 reset with depth 60 and stack size 60 in 1 ms.
FORMULA Szymanski-PT-b02-LTLFireability-01 FALSE TECHNIQUES STACK_TEST
Treatment of property Szymanski-PT-b02-LTLFireability-01 finished in 11293 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 6 out of 306 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 306/306 places, 8064/8064 transitions.
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 1 place count 305 transition count 7936
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 305 transition count 7936
Applied a total of 2 rules in 249 ms. Remains 305 /306 variables (removed 1) and now considering 7936/8064 (removed 128) transitions.
[2023-03-19 01:22:37] [INFO ] Flow matrix only has 2732 transitions (discarded 5204 similar events)
[2023-03-19 01:22:37] [INFO ] Invariant cache hit.
[2023-03-19 01:22:37] [INFO ] Implicit Places using invariants in 430 ms returned []
[2023-03-19 01:22:37] [INFO ] Flow matrix only has 2732 transitions (discarded 5204 similar events)
[2023-03-19 01:22:37] [INFO ] Invariant cache hit.
[2023-03-19 01:22:38] [INFO ] State equation strengthened by 147 read => feed constraints.
[2023-03-19 01:22:44] [INFO ] Implicit Places using invariants and state equation in 6887 ms returned []
Implicit Place search using SMT with State Equation took 7323 ms to find 0 implicit places.
[2023-03-19 01:22:45] [INFO ] Redundant transitions in 941 ms returned []
[2023-03-19 01:22:45] [INFO ] Flow matrix only has 2732 transitions (discarded 5204 similar events)
[2023-03-19 01:22:45] [INFO ] Invariant cache hit.
[2023-03-19 01:22:47] [INFO ] Dead Transitions using invariants and state equation in 1860 ms found 0 transitions.
Starting structural reductions in SI_LTL mode, iteration 1 : 305/306 places, 7936/8064 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 10382 ms. Remains : 305/306 places, 7936/8064 transitions.
Stuttering acceptance computed with spot in 36 ms :[(AND (NOT p1) (NOT p0))]
Running random walk in product with property : Szymanski-PT-b02-LTLFireability-02 automaton TGBA Formula[mat=[[{ cond=(AND p1 (NOT p0)), acceptance={} source=0 dest: 0}, { cond=(AND (NOT p1) (NOT p0)), acceptance={0} source=0 dest: 0}]], initial=0, aps=[p1:(AND (OR (LT s27 1) (LT s295 1)) (OR (LT s47 1) (LT s290 1))), p0:(AND (GEQ s29 1) (GEQ s261 1))], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, deterministic, no-univ-branch, unambiguous, semi-deterministic, stutter-invariant], stateDesc=[null][true]]
Product exploration explored 100000 steps with 0 reset in 460 ms.
Product exploration explored 100000 steps with 0 reset in 475 ms.
Computed a total of 11 stabilizing places and 2304 stable transitions
Computed a total of 11 stabilizing places and 2304 stable transitions
Knowledge obtained : [(AND p1 (NOT p0)), (X (NOT (AND (NOT p1) (NOT p0)))), (X (AND p1 (NOT p0))), (X (X (NOT (AND (NOT p1) (NOT p0))))), (X (X (AND p1 (NOT p0))))]
False Knowledge obtained : []
Knowledge based reduction with 5 factoid took 186 ms. Reduced automaton from 1 states, 2 edges and 2 AP (stutter insensitive) to 1 states, 2 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 89 ms. (steps per millisecond=112 ) properties (out of 2) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 32 ms. (steps per millisecond=312 ) properties (out of 2) seen :0
Incomplete Best-First random walk after 10000 steps, including 2 resets, run finished after 48 ms. (steps per millisecond=208 ) properties (out of 2) seen :0
Interrupted probabilistic random walk after 128836 steps, run timeout after 3001 ms. (steps per millisecond=42 ) properties seen :{}
Probabilistic random walk after 128836 steps, saw 45827 distinct states, run finished after 3001 ms. (steps per millisecond=42 ) properties seen :0
Running SMT prover for 2 properties.
[2023-03-19 01:22:52] [INFO ] Flow matrix only has 2732 transitions (discarded 5204 similar events)
[2023-03-19 01:22:52] [INFO ] Invariant cache hit.
[2023-03-19 01:22:52] [INFO ] [Real]Absence check using 0 positive and 1 generalized place invariants in 2 ms returned sat
[2023-03-19 01:22:52] [INFO ] After 60ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:2
[2023-03-19 01:22:52] [INFO ] [Nat]Absence check using 0 positive and 1 generalized place invariants in 2 ms returned sat
[2023-03-19 01:22:57] [INFO ] After 5540ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :2
[2023-03-19 01:22:57] [INFO ] State equation strengthened by 147 read => feed constraints.
[2023-03-19 01:23:15] [INFO ] After 18129ms SMT Verify possible using 147 Read/Feed constraints in natural domain returned unsat :0 sat :0
[2023-03-19 01:23:15] [INFO ] After 23742ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :0
Parikh walk visited 0 properties in 32 ms.
Support contains 6 out of 305 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 305/305 places, 7936/7936 transitions.
Drop transitions removed 123 transitions
Reduce isomorphic transitions removed 123 transitions.
Iterating post reduction 0 with 123 rules applied. Total rules applied 123 place count 305 transition count 7813
Applied a total of 123 rules in 189 ms. Remains 305 /305 variables (removed 0) and now considering 7813/7936 (removed 123) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 190 ms. Remains : 305/305 places, 7813/7936 transitions.
Incomplete random walk after 10000 steps, including 2 resets, run finished after 97 ms. (steps per millisecond=103 ) properties (out of 2) seen :0
Incomplete Best-First random walk after 10000 steps, including 2 resets, run finished after 31 ms. (steps per millisecond=322 ) properties (out of 2) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 32 ms. (steps per millisecond=312 ) properties (out of 2) seen :0
Interrupted probabilistic random walk after 133257 steps, run timeout after 3001 ms. (steps per millisecond=44 ) properties seen :{}
Probabilistic random walk after 133257 steps, saw 46271 distinct states, run finished after 3001 ms. (steps per millisecond=44 ) properties seen :0
Running SMT prover for 2 properties.
[2023-03-19 01:23:19] [INFO ] Flow matrix only has 2609 transitions (discarded 5204 similar events)
// Phase 1: matrix 2609 rows 305 cols
[2023-03-19 01:23:19] [INFO ] Computed 1 place invariants in 22 ms
[2023-03-19 01:23:19] [INFO ] [Real]Absence check using 0 positive and 1 generalized place invariants in 3 ms returned sat
[2023-03-19 01:23:19] [INFO ] After 77ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:2
[2023-03-19 01:23:19] [INFO ] [Nat]Absence check using 0 positive and 1 generalized place invariants in 3 ms returned sat
[2023-03-19 01:23:22] [INFO ] After 3204ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :2
[2023-03-19 01:23:22] [INFO ] State equation strengthened by 147 read => feed constraints.
[2023-03-19 01:23:39] [INFO ] After 16793ms SMT Verify possible using 147 Read/Feed constraints in natural domain returned unsat :0 sat :1
[2023-03-19 01:23:44] [INFO ] After 21732ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :0
[2023-03-19 01:23:44] [INFO ] After 25017ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :0
Parikh walk visited 0 properties in 14 ms.
Support contains 6 out of 305 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 305/305 places, 7813/7813 transitions.
Applied a total of 0 rules in 180 ms. Remains 305 /305 variables (removed 0) and now considering 7813/7813 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 180 ms. Remains : 305/305 places, 7813/7813 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 305/305 places, 7813/7813 transitions.
Applied a total of 0 rules in 181 ms. Remains 305 /305 variables (removed 0) and now considering 7813/7813 (removed 0) transitions.
[2023-03-19 01:23:44] [INFO ] Flow matrix only has 2609 transitions (discarded 5204 similar events)
[2023-03-19 01:23:44] [INFO ] Invariant cache hit.
[2023-03-19 01:23:45] [INFO ] Implicit Places using invariants in 406 ms returned []
[2023-03-19 01:23:45] [INFO ] Flow matrix only has 2609 transitions (discarded 5204 similar events)
[2023-03-19 01:23:45] [INFO ] Invariant cache hit.
[2023-03-19 01:23:45] [INFO ] State equation strengthened by 147 read => feed constraints.
[2023-03-19 01:23:52] [INFO ] Implicit Places using invariants and state equation in 6796 ms returned []
Implicit Place search using SMT with State Equation took 7209 ms to find 0 implicit places.
[2023-03-19 01:23:52] [INFO ] Redundant transitions in 625 ms returned []
[2023-03-19 01:23:52] [INFO ] Flow matrix only has 2609 transitions (discarded 5204 similar events)
[2023-03-19 01:23:52] [INFO ] Invariant cache hit.
[2023-03-19 01:23:54] [INFO ] Dead Transitions using invariants and state equation in 1855 ms found 0 transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 9879 ms. Remains : 305/305 places, 7813/7813 transitions.
Graph (trivial) has 4624 edges and 305 vertex of which 36 / 305 are part of one of the 2 SCC in 13 ms
Free SCC test removed 34 places
Drop transitions removed 3880 transitions
Ensure Unique test removed 1562 transitions
Reduce isomorphic transitions removed 5442 transitions.
Drop transitions removed 416 transitions
Redundant transition composition rules discarded 416 transitions
Iterating global reduction 0 with 416 rules applied. Total rules applied 417 place count 271 transition count 1955
Applied a total of 417 rules in 178 ms. Remains 271 /305 variables (removed 34) and now considering 1955/7813 (removed 5858) transitions.
Running SMT prover for 2 properties.
// Phase 1: matrix 1955 rows 271 cols
[2023-03-19 01:23:54] [INFO ] Computed 1 place invariants in 14 ms
[2023-03-19 01:23:54] [INFO ] [Real]Absence check using 0 positive and 1 generalized place invariants in 2 ms returned sat
[2023-03-19 01:23:54] [INFO ] After 67ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:2
[2023-03-19 01:23:54] [INFO ] [Nat]Absence check using 0 positive and 1 generalized place invariants in 2 ms returned sat
[2023-03-19 01:23:55] [INFO ] After 624ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :2
[2023-03-19 01:23:55] [INFO ] State equation strengthened by 504 read => feed constraints.
[2023-03-19 01:23:57] [INFO ] After 1610ms SMT Verify possible using 504 Read/Feed constraints in natural domain returned unsat :0 sat :2
[2023-03-19 01:24:06] [INFO ] After 11414ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :2
Attempting to minimize the solution found.
Minimization took 13401 ms.
[2023-03-19 01:24:20] [INFO ] After 25501ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
Knowledge obtained : [(AND p1 (NOT p0)), (X (NOT (AND (NOT p1) (NOT p0)))), (X (AND p1 (NOT p0))), (X (X (NOT (AND (NOT p1) (NOT p0))))), (X (X (AND p1 (NOT p0))))]
False Knowledge obtained : []
Knowledge based reduction with 5 factoid took 160 ms. Reduced automaton from 1 states, 2 edges and 2 AP (stutter insensitive) to 1 states, 2 edges and 2 AP (stutter insensitive).
Stuttering acceptance computed with spot in 37 ms :[(AND (NOT p0) (NOT p1))]
Stuttering acceptance computed with spot in 28 ms :[(AND (NOT p0) (NOT p1))]
Support contains 6 out of 305 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 305/305 places, 7936/7936 transitions.
Applied a total of 0 rules in 202 ms. Remains 305 /305 variables (removed 0) and now considering 7936/7936 (removed 0) transitions.
[2023-03-19 01:24:20] [INFO ] Flow matrix only has 2732 transitions (discarded 5204 similar events)
// Phase 1: matrix 2732 rows 305 cols
[2023-03-19 01:24:20] [INFO ] Computed 1 place invariants in 19 ms
[2023-03-19 01:24:21] [INFO ] Implicit Places using invariants in 453 ms returned []
[2023-03-19 01:24:21] [INFO ] Flow matrix only has 2732 transitions (discarded 5204 similar events)
[2023-03-19 01:24:21] [INFO ] Invariant cache hit.
[2023-03-19 01:24:21] [INFO ] State equation strengthened by 147 read => feed constraints.
[2023-03-19 01:24:27] [INFO ] Implicit Places using invariants and state equation in 6636 ms returned []
Implicit Place search using SMT with State Equation took 7091 ms to find 0 implicit places.
[2023-03-19 01:24:28] [INFO ] Redundant transitions in 934 ms returned []
[2023-03-19 01:24:28] [INFO ] Flow matrix only has 2732 transitions (discarded 5204 similar events)
[2023-03-19 01:24:28] [INFO ] Invariant cache hit.
[2023-03-19 01:24:30] [INFO ] Dead Transitions using invariants and state equation in 1799 ms found 0 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 10038 ms. Remains : 305/305 places, 7936/7936 transitions.
Computed a total of 11 stabilizing places and 2304 stable transitions
Computed a total of 11 stabilizing places and 2304 stable transitions
Knowledge obtained : [(AND (NOT p0) p1), (X (NOT (AND (NOT p0) (NOT p1)))), (X (AND (NOT p0) p1)), (X (X (NOT (AND (NOT p0) (NOT p1))))), (X (X (AND (NOT p0) p1)))]
False Knowledge obtained : []
Knowledge based reduction with 5 factoid took 180 ms. Reduced automaton from 1 states, 2 edges and 2 AP (stutter insensitive) to 1 states, 2 edges and 2 AP (stutter insensitive).
Stuttering acceptance computed with spot in 33 ms :[(AND (NOT p0) (NOT p1))]
Incomplete random walk after 10001 steps, including 2 resets, run finished after 69 ms. (steps per millisecond=144 ) properties (out of 2) 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 2) seen :0
Incomplete Best-First random walk after 10000 steps, including 2 resets, run finished after 26 ms. (steps per millisecond=384 ) properties (out of 2) seen :0
Interrupted probabilistic random walk after 135685 steps, run timeout after 3001 ms. (steps per millisecond=45 ) properties seen :{}
Probabilistic random walk after 135685 steps, saw 47447 distinct states, run finished after 3001 ms. (steps per millisecond=45 ) properties seen :0
Running SMT prover for 2 properties.
[2023-03-19 01:24:33] [INFO ] Flow matrix only has 2732 transitions (discarded 5204 similar events)
[2023-03-19 01:24:33] [INFO ] Invariant cache hit.
[2023-03-19 01:24:34] [INFO ] [Real]Absence check using 0 positive and 1 generalized place invariants in 2 ms returned sat
[2023-03-19 01:24:34] [INFO ] After 66ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:2
[2023-03-19 01:24:34] [INFO ] [Nat]Absence check using 0 positive and 1 generalized place invariants in 2 ms returned sat
[2023-03-19 01:24:39] [INFO ] After 5740ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :2
[2023-03-19 01:24:39] [INFO ] State equation strengthened by 147 read => feed constraints.
[2023-03-19 01:24:57] [INFO ] After 18101ms SMT Verify possible using 147 Read/Feed constraints in natural domain returned unsat :0 sat :0
[2023-03-19 01:24:57] [INFO ] After 23918ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :0
Parikh walk visited 0 properties in 29 ms.
Support contains 6 out of 305 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 305/305 places, 7936/7936 transitions.
Drop transitions removed 123 transitions
Reduce isomorphic transitions removed 123 transitions.
Iterating post reduction 0 with 123 rules applied. Total rules applied 123 place count 305 transition count 7813
Applied a total of 123 rules in 195 ms. Remains 305 /305 variables (removed 0) and now considering 7813/7936 (removed 123) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 196 ms. Remains : 305/305 places, 7813/7936 transitions.
Incomplete random walk after 10001 steps, including 2 resets, run finished after 64 ms. (steps per millisecond=156 ) properties (out of 2) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 18 ms. (steps per millisecond=555 ) properties (out of 2) seen :1
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
Running SMT prover for 1 properties.
[2023-03-19 01:24:58] [INFO ] Flow matrix only has 2609 transitions (discarded 5204 similar events)
// Phase 1: matrix 2609 rows 305 cols
[2023-03-19 01:24:58] [INFO ] Computed 1 place invariants in 16 ms
[2023-03-19 01:24:58] [INFO ] [Real]Absence check using 0 positive and 1 generalized place invariants in 2 ms returned sat
[2023-03-19 01:25:01] [INFO ] After 2817ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
[2023-03-19 01:25:01] [INFO ] [Nat]Absence check using 0 positive and 1 generalized place invariants in 2 ms returned sat
[2023-03-19 01:25:09] [INFO ] After 8068ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
[2023-03-19 01:25:09] [INFO ] State equation strengthened by 147 read => feed constraints.
[2023-03-19 01:25:18] [INFO ] After 9099ms SMT Verify possible using 147 Read/Feed constraints in natural domain returned unsat :0 sat :0
[2023-03-19 01:25:18] [INFO ] After 17225ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :0
Parikh walk visited 0 properties in 13 ms.
Support contains 6 out of 305 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 305/305 places, 7813/7813 transitions.
Applied a total of 0 rules in 181 ms. Remains 305 /305 variables (removed 0) and now considering 7813/7813 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 181 ms. Remains : 305/305 places, 7813/7813 transitions.
Incomplete random walk after 10000 steps, including 2 resets, run finished after 30 ms. (steps per millisecond=333 ) properties (out of 1) seen :0
Incomplete Best-First random walk after 10000 steps, including 2 resets, run finished after 15 ms. (steps per millisecond=666 ) properties (out of 1) seen :0
Interrupted probabilistic random walk after 158754 steps, run timeout after 3001 ms. (steps per millisecond=52 ) properties seen :{}
Probabilistic random walk after 158754 steps, saw 53516 distinct states, run finished after 3001 ms. (steps per millisecond=52 ) properties seen :0
Running SMT prover for 1 properties.
[2023-03-19 01:25:21] [INFO ] Flow matrix only has 2609 transitions (discarded 5204 similar events)
[2023-03-19 01:25:21] [INFO ] Invariant cache hit.
[2023-03-19 01:25:21] [INFO ] [Real]Absence check using 0 positive and 1 generalized place invariants in 10 ms returned sat
[2023-03-19 01:25:24] [INFO ] After 2830ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
[2023-03-19 01:25:24] [INFO ] [Nat]Absence check using 0 positive and 1 generalized place invariants in 2 ms returned sat
[2023-03-19 01:25:32] [INFO ] After 8121ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
[2023-03-19 01:25:32] [INFO ] State equation strengthened by 147 read => feed constraints.
[2023-03-19 01:25:41] [INFO ] After 9081ms SMT Verify possible using 147 Read/Feed constraints in natural domain returned unsat :0 sat :0
[2023-03-19 01:25:41] [INFO ] After 17268ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :0
Parikh walk visited 0 properties in 13 ms.
Support contains 6 out of 305 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 305/305 places, 7813/7813 transitions.
Applied a total of 0 rules in 181 ms. Remains 305 /305 variables (removed 0) and now considering 7813/7813 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 183 ms. Remains : 305/305 places, 7813/7813 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 305/305 places, 7813/7813 transitions.
Applied a total of 0 rules in 180 ms. Remains 305 /305 variables (removed 0) and now considering 7813/7813 (removed 0) transitions.
[2023-03-19 01:25:42] [INFO ] Flow matrix only has 2609 transitions (discarded 5204 similar events)
[2023-03-19 01:25:42] [INFO ] Invariant cache hit.
[2023-03-19 01:25:42] [INFO ] Implicit Places using invariants in 402 ms returned []
[2023-03-19 01:25:42] [INFO ] Flow matrix only has 2609 transitions (discarded 5204 similar events)
[2023-03-19 01:25:42] [INFO ] Invariant cache hit.
[2023-03-19 01:25:42] [INFO ] State equation strengthened by 147 read => feed constraints.
[2023-03-19 01:25:48] [INFO ] Implicit Places using invariants and state equation in 6237 ms returned []
Implicit Place search using SMT with State Equation took 6641 ms to find 0 implicit places.
[2023-03-19 01:25:49] [INFO ] Redundant transitions in 873 ms returned []
[2023-03-19 01:25:49] [INFO ] Flow matrix only has 2609 transitions (discarded 5204 similar events)
[2023-03-19 01:25:49] [INFO ] Invariant cache hit.
[2023-03-19 01:25:51] [INFO ] Dead Transitions using invariants and state equation in 1795 ms found 0 transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 9505 ms. Remains : 305/305 places, 7813/7813 transitions.
Graph (trivial) has 4624 edges and 305 vertex of which 36 / 305 are part of one of the 2 SCC in 0 ms
Free SCC test removed 34 places
Drop transitions removed 3880 transitions
Ensure Unique test removed 1562 transitions
Reduce isomorphic transitions removed 5442 transitions.
Drop transitions removed 416 transitions
Redundant transition composition rules discarded 416 transitions
Iterating global reduction 0 with 416 rules applied. Total rules applied 417 place count 271 transition count 1955
Applied a total of 417 rules in 122 ms. Remains 271 /305 variables (removed 34) and now considering 1955/7813 (removed 5858) transitions.
Running SMT prover for 1 properties.
// Phase 1: matrix 1955 rows 271 cols
[2023-03-19 01:25:51] [INFO ] Computed 1 place invariants in 16 ms
[2023-03-19 01:25:51] [INFO ] [Real]Absence check using 0 positive and 1 generalized place invariants in 2 ms returned sat
[2023-03-19 01:25:52] [INFO ] After 478ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
[2023-03-19 01:25:52] [INFO ] [Nat]Absence check using 0 positive and 1 generalized place invariants in 2 ms returned sat
[2023-03-19 01:25:52] [INFO ] After 684ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
[2023-03-19 01:25:52] [INFO ] State equation strengthened by 504 read => feed constraints.
[2023-03-19 01:25:53] [INFO ] After 510ms SMT Verify possible using 504 Read/Feed constraints in natural domain returned unsat :0 sat :1
[2023-03-19 01:25:59] [INFO ] After 6267ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
Attempting to minimize the solution found.
Minimization took 9017 ms.
[2023-03-19 01:26:08] [INFO ] After 16027ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :0
Knowledge obtained : [(AND (NOT p0) p1), (X (NOT (AND (NOT p0) (NOT p1)))), (X (AND (NOT p0) p1)), (X (X (NOT (AND (NOT p0) (NOT p1))))), (X (X (AND (NOT p0) p1)))]
False Knowledge obtained : [(F (NOT (AND (NOT p0) p1)))]
Knowledge based reduction with 5 factoid took 434 ms. Reduced automaton from 1 states, 2 edges and 2 AP (stutter insensitive) to 1 states, 2 edges and 2 AP (stutter insensitive).
Stuttering acceptance computed with spot in 29 ms :[(AND (NOT p0) (NOT p1))]
Stuttering acceptance computed with spot in 35 ms :[(AND (NOT p0) (NOT p1))]
Stuttering acceptance computed with spot in 32 ms :[(AND (NOT p0) (NOT p1))]
Product exploration explored 100000 steps with 0 reset in 426 ms.
Product exploration explored 100000 steps with 0 reset in 423 ms.
Support contains 6 out of 305 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 305/305 places, 7936/7936 transitions.
Applied a total of 0 rules in 179 ms. Remains 305 /305 variables (removed 0) and now considering 7936/7936 (removed 0) transitions.
[2023-03-19 01:26:09] [INFO ] Flow matrix only has 2732 transitions (discarded 5204 similar events)
// Phase 1: matrix 2732 rows 305 cols
[2023-03-19 01:26:09] [INFO ] Computed 1 place invariants in 19 ms
[2023-03-19 01:26:10] [INFO ] Implicit Places using invariants in 399 ms returned []
[2023-03-19 01:26:10] [INFO ] Flow matrix only has 2732 transitions (discarded 5204 similar events)
[2023-03-19 01:26:10] [INFO ] Invariant cache hit.
[2023-03-19 01:26:10] [INFO ] State equation strengthened by 147 read => feed constraints.
[2023-03-19 01:26:16] [INFO ] Implicit Places using invariants and state equation in 6743 ms returned []
Implicit Place search using SMT with State Equation took 7143 ms to find 0 implicit places.
[2023-03-19 01:26:17] [INFO ] Redundant transitions in 896 ms returned []
[2023-03-19 01:26:17] [INFO ] Flow matrix only has 2732 transitions (discarded 5204 similar events)
[2023-03-19 01:26:17] [INFO ] Invariant cache hit.
[2023-03-19 01:26:19] [INFO ] Dead Transitions using invariants and state equation in 1815 ms found 0 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 10045 ms. Remains : 305/305 places, 7936/7936 transitions.
Treatment of property Szymanski-PT-b02-LTLFireability-02 finished in 222656 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202303021504/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(F((X(p1)&&p0)))'
Support contains 4 out of 306 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 306/306 places, 8064/8064 transitions.
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 1 place count 305 transition count 7936
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 305 transition count 7936
Applied a total of 2 rules in 47 ms. Remains 305 /306 variables (removed 1) and now considering 7936/8064 (removed 128) transitions.
[2023-03-19 01:26:19] [INFO ] Flow matrix only has 2732 transitions (discarded 5204 similar events)
[2023-03-19 01:26:19] [INFO ] Invariant cache hit.
[2023-03-19 01:26:20] [INFO ] Implicit Places using invariants in 388 ms returned []
[2023-03-19 01:26:20] [INFO ] Flow matrix only has 2732 transitions (discarded 5204 similar events)
[2023-03-19 01:26:20] [INFO ] Invariant cache hit.
[2023-03-19 01:26:20] [INFO ] State equation strengthened by 147 read => feed constraints.
[2023-03-19 01:26:27] [INFO ] Implicit Places using invariants and state equation in 6906 ms returned []
Implicit Place search using SMT with State Equation took 7299 ms to find 0 implicit places.
[2023-03-19 01:26:27] [INFO ] Flow matrix only has 2732 transitions (discarded 5204 similar events)
[2023-03-19 01:26:27] [INFO ] Invariant cache hit.
[2023-03-19 01:26:29] [INFO ] Dead Transitions using invariants and state equation in 2038 ms found 0 transitions.
Starting structural reductions in LTL mode, iteration 1 : 305/306 places, 7936/8064 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 9386 ms. Remains : 305/306 places, 7936/8064 transitions.
Stuttering acceptance computed with spot in 106 ms :[(OR (NOT p0) (NOT p1)), (NOT p1)]
Running random walk in product with property : Szymanski-PT-b02-LTLFireability-03 automaton TGBA Formula[mat=[[{ cond=(NOT p0), acceptance={0} source=0 dest: 0}, { cond=p0, acceptance={0} source=0 dest: 1}], [{ cond=(AND (NOT p0) (NOT p1)), acceptance={0} source=1 dest: 0}, { cond=(AND p0 (NOT p1)), acceptance={0} source=1 dest: 1}]], initial=0, aps=[p0:(AND (GEQ s39 1) (GEQ s270 1)), p1:(OR (LT s25 1) (LT s302 1))], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, colored, deterministic, no-univ-branch, unambiguous, semi-deterministic, stutter-sensitive, weak, inherently-weak], stateDesc=[null, null][false, false]]
Product exploration explored 100000 steps with 0 reset in 551 ms.
Stack based approach found an accepted trace after 53 steps with 0 reset with depth 54 and stack size 54 in 3 ms.
FORMULA Szymanski-PT-b02-LTLFireability-03 FALSE TECHNIQUES STACK_TEST
Treatment of property Szymanski-PT-b02-LTLFireability-03 finished in 10078 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((G(p1)||p0))))'
Support contains 4 out of 306 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 306/306 places, 8064/8064 transitions.
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 1 place count 305 transition count 7936
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 305 transition count 7936
Applied a total of 2 rules in 48 ms. Remains 305 /306 variables (removed 1) and now considering 7936/8064 (removed 128) transitions.
[2023-03-19 01:26:30] [INFO ] Flow matrix only has 2732 transitions (discarded 5204 similar events)
[2023-03-19 01:26:30] [INFO ] Invariant cache hit.
[2023-03-19 01:26:30] [INFO ] Implicit Places using invariants in 402 ms returned []
[2023-03-19 01:26:30] [INFO ] Flow matrix only has 2732 transitions (discarded 5204 similar events)
[2023-03-19 01:26:30] [INFO ] Invariant cache hit.
[2023-03-19 01:26:30] [INFO ] State equation strengthened by 147 read => feed constraints.
[2023-03-19 01:26:37] [INFO ] Implicit Places using invariants and state equation in 6653 ms returned []
Implicit Place search using SMT with State Equation took 7057 ms to find 0 implicit places.
[2023-03-19 01:26:37] [INFO ] Flow matrix only has 2732 transitions (discarded 5204 similar events)
[2023-03-19 01:26:37] [INFO ] Invariant cache hit.
[2023-03-19 01:26:38] [INFO ] Dead Transitions using invariants and state equation in 1884 ms found 0 transitions.
Starting structural reductions in LTL mode, iteration 1 : 305/306 places, 7936/8064 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 8991 ms. Remains : 305/306 places, 7936/8064 transitions.
Stuttering acceptance computed with spot in 126 ms :[true, (AND (NOT p1) (NOT p0)), (NOT p1), (AND (NOT p1) (NOT p0))]
Running random walk in product with property : Szymanski-PT-b02-LTLFireability-04 automaton TGBA Formula[mat=[[{ cond=true, acceptance={0} source=0 dest: 0}], [{ cond=true, acceptance={} source=1 dest: 3}], [{ cond=(NOT p1), acceptance={} source=2 dest: 0}, { cond=p1, acceptance={} source=2 dest: 2}], [{ cond=(AND (NOT p0) (NOT p1)), acceptance={} source=3 dest: 0}, { cond=(AND (NOT p0) p1), acceptance={} source=3 dest: 2}, { cond=p0, acceptance={} source=3 dest: 3}]], initial=1, aps=[p1:(AND (GEQ s58 1) (GEQ s274 1)), p0:(OR (LT s16 1) (LT s275 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]]
Product exploration explored 100000 steps with 4 reset in 448 ms.
Product exploration explored 100000 steps with 2 reset in 514 ms.
Computed a total of 11 stabilizing places and 2304 stable transitions
Computed a total of 11 stabilizing places and 2304 stable transitions
Knowledge obtained : [(AND (NOT p1) p0), (X (NOT (AND (NOT p0) (NOT p1)))), (X (NOT (AND (NOT p0) p1))), (X p0), true, (X (X (NOT (AND (NOT p0) (NOT p1))))), (X (X (NOT p1))), (X (X (NOT (AND (NOT p0) p1)))), (X (X p0))]
False Knowledge obtained : []
Knowledge based reduction with 9 factoid took 340 ms. Reduced automaton from 4 states, 7 edges and 2 AP (stutter sensitive) to 4 states, 7 edges and 2 AP (stutter sensitive).
Stuttering acceptance computed with spot in 109 ms :[true, (AND (NOT p1) (NOT p0)), (NOT p1), (AND (NOT p1) (NOT p0))]
Incomplete random walk after 10001 steps, including 2 resets, run finished after 166 ms. (steps per millisecond=60 ) properties (out of 4) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 38 ms. (steps per millisecond=263 ) properties (out of 4) seen :0
Incomplete Best-First random walk after 10000 steps, including 2 resets, run finished after 40 ms. (steps per millisecond=250 ) properties (out of 4) seen :0
Incomplete Best-First random walk after 10000 steps, including 2 resets, run finished after 32 ms. (steps per millisecond=312 ) properties (out of 4) seen :0
Incomplete Best-First random walk after 10000 steps, including 2 resets, run finished after 35 ms. (steps per millisecond=285 ) properties (out of 4) seen :0
Interrupted probabilistic random walk after 124958 steps, run timeout after 3001 ms. (steps per millisecond=41 ) properties seen :{}
Probabilistic random walk after 124958 steps, saw 45047 distinct states, run finished after 3001 ms. (steps per millisecond=41 ) properties seen :0
Running SMT prover for 4 properties.
[2023-03-19 01:26:43] [INFO ] Flow matrix only has 2732 transitions (discarded 5204 similar events)
[2023-03-19 01:26:43] [INFO ] Invariant cache hit.
[2023-03-19 01:26:43] [INFO ] [Real]Absence check using 0 positive and 1 generalized place invariants in 3 ms returned sat
[2023-03-19 01:26:45] [INFO ] After 1560ms SMT Verify possible using all constraints in real domain returned unsat :1 sat :0 real:3
[2023-03-19 01:26:45] [INFO ] [Nat]Absence check using 0 positive and 1 generalized place invariants in 3 ms returned sat
[2023-03-19 01:26:51] [INFO ] After 5863ms SMT Verify possible using state equation in natural domain returned unsat :1 sat :3
[2023-03-19 01:26:51] [INFO ] State equation strengthened by 147 read => feed constraints.
[2023-03-19 01:27:10] [INFO ] After 19075ms SMT Verify possible using 147 Read/Feed constraints in natural domain returned unsat :1 sat :0
[2023-03-19 01:27:10] [INFO ] After 25020ms SMT Verify possible using all constraints in natural domain returned unsat :1 sat :0
Fused 4 Parikh solutions to 3 different solutions.
Parikh walk visited 0 properties in 17 ms.
Support contains 4 out of 305 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 305/305 places, 7936/7936 transitions.
Drop transitions removed 125 transitions
Reduce isomorphic transitions removed 125 transitions.
Iterating post reduction 0 with 125 rules applied. Total rules applied 125 place count 305 transition count 7811
Applied a total of 125 rules in 196 ms. Remains 305 /305 variables (removed 0) and now considering 7811/7936 (removed 125) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 196 ms. Remains : 305/305 places, 7811/7936 transitions.
Incomplete random walk after 10001 steps, including 2 resets, run finished after 133 ms. (steps per millisecond=75 ) properties (out of 3) 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 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 24 ms. (steps per millisecond=416 ) properties (out of 3) seen :0
Interrupted probabilistic random walk after 139186 steps, run timeout after 3001 ms. (steps per millisecond=46 ) properties seen :{}
Probabilistic random walk after 139186 steps, saw 48048 distinct states, run finished after 3002 ms. (steps per millisecond=46 ) properties seen :0
Running SMT prover for 3 properties.
[2023-03-19 01:27:13] [INFO ] Flow matrix only has 2607 transitions (discarded 5204 similar events)
// Phase 1: matrix 2607 rows 305 cols
[2023-03-19 01:27:13] [INFO ] Computed 1 place invariants in 17 ms
[2023-03-19 01:27:14] [INFO ] [Real]Absence check using 0 positive and 1 generalized place invariants in 2 ms returned sat
[2023-03-19 01:27:15] [INFO ] After 1648ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:3
[2023-03-19 01:27:15] [INFO ] [Nat]Absence check using 0 positive and 1 generalized place invariants in 2 ms returned sat
[2023-03-19 01:27:18] [INFO ] After 3167ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :3
[2023-03-19 01:27:18] [INFO ] State equation strengthened by 147 read => feed constraints.
[2023-03-19 01:27:35] [INFO ] After 16474ms SMT Verify possible using 147 Read/Feed constraints in natural domain returned unsat :0 sat :2
[2023-03-19 01:27:40] [INFO ] After 21762ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
Attempting to minimize the solution found.
Minimization took 1 ms.
[2023-03-19 01:27:40] [INFO ] After 25022ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
Parikh walk visited 0 properties in 15 ms.
Support contains 4 out of 305 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 305/305 places, 7811/7811 transitions.
Applied a total of 0 rules in 190 ms. Remains 305 /305 variables (removed 0) and now considering 7811/7811 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 191 ms. Remains : 305/305 places, 7811/7811 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 305/305 places, 7811/7811 transitions.
Applied a total of 0 rules in 180 ms. Remains 305 /305 variables (removed 0) and now considering 7811/7811 (removed 0) transitions.
[2023-03-19 01:27:41] [INFO ] Flow matrix only has 2607 transitions (discarded 5204 similar events)
[2023-03-19 01:27:41] [INFO ] Invariant cache hit.
[2023-03-19 01:27:41] [INFO ] Implicit Places using invariants in 399 ms returned []
[2023-03-19 01:27:41] [INFO ] Flow matrix only has 2607 transitions (discarded 5204 similar events)
[2023-03-19 01:27:41] [INFO ] Invariant cache hit.
[2023-03-19 01:27:41] [INFO ] State equation strengthened by 147 read => feed constraints.
[2023-03-19 01:27:48] [INFO ] Implicit Places using invariants and state equation in 6821 ms returned []
Implicit Place search using SMT with State Equation took 7222 ms to find 0 implicit places.
[2023-03-19 01:27:49] [INFO ] Redundant transitions in 878 ms returned []
[2023-03-19 01:27:49] [INFO ] Flow matrix only has 2607 transitions (discarded 5204 similar events)
[2023-03-19 01:27:49] [INFO ] Invariant cache hit.
[2023-03-19 01:27:50] [INFO ] Dead Transitions using invariants and state equation in 1799 ms found 0 transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 10088 ms. Remains : 305/305 places, 7811/7811 transitions.
Graph (trivial) has 4872 edges and 305 vertex of which 35 / 305 are part of one of the 2 SCC in 1 ms
Free SCC test removed 33 places
Drop transitions removed 3744 transitions
Ensure Unique test removed 1697 transitions
Reduce isomorphic transitions removed 5441 transitions.
Drop transitions removed 320 transitions
Redundant transition composition rules discarded 320 transitions
Iterating global reduction 0 with 320 rules applied. Total rules applied 321 place count 272 transition count 2050
Free-agglomeration rule applied 1 times.
Iterating global reduction 0 with 1 rules applied. Total rules applied 322 place count 272 transition count 2049
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 0 with 1 rules applied. Total rules applied 323 place count 271 transition count 2049
Drop transitions removed 112 transitions
Redundant transition composition rules discarded 112 transitions
Iterating global reduction 1 with 112 rules applied. Total rules applied 435 place count 271 transition count 1937
Applied a total of 435 rules in 230 ms. Remains 271 /305 variables (removed 34) and now considering 1937/7811 (removed 5874) transitions.
Running SMT prover for 3 properties.
// Phase 1: matrix 1937 rows 271 cols
[2023-03-19 01:27:51] [INFO ] Computed 1 place invariants in 9 ms
[2023-03-19 01:27:51] [INFO ] [Real]Absence check using 0 positive and 1 generalized place invariants in 2 ms returned sat
[2023-03-19 01:27:51] [INFO ] After 622ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:3
[2023-03-19 01:27:51] [INFO ] [Nat]Absence check using 0 positive and 1 generalized place invariants in 1 ms returned sat
[2023-03-19 01:27:52] [INFO ] After 647ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :3
[2023-03-19 01:27:52] [INFO ] State equation strengthened by 480 read => feed constraints.
[2023-03-19 01:27:54] [INFO ] After 2089ms SMT Verify possible using 480 Read/Feed constraints in natural domain returned unsat :0 sat :3
[2023-03-19 01:27:57] [INFO ] After 5275ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :3
Attempting to minimize the solution found.
Minimization took 5323 ms.
[2023-03-19 01:28:03] [INFO ] After 11315ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :3
Found 1 invariant AP formulas.
Knowledge obtained : [(AND (NOT p1) p0), (X (NOT (AND (NOT p0) (NOT p1)))), (X (NOT (AND (NOT p0) p1))), (X p0), true, (X (X (NOT (AND (NOT p0) (NOT p1))))), (X (X (NOT p1))), (X (X (NOT (AND (NOT p0) p1)))), (X (X p0)), (G (NOT (AND p1 (NOT p0))))]
False Knowledge obtained : []
Knowledge based reduction with 10 factoid took 383 ms. Reduced automaton from 4 states, 7 edges and 2 AP (stutter sensitive) to 3 states, 4 edges and 1 AP (stutter sensitive).
Stuttering acceptance computed with spot in 79 ms :[true, (NOT p0), (NOT p0)]
Stuttering acceptance computed with spot in 82 ms :[true, (NOT p0), (NOT p0)]
Support contains 2 out of 305 places. Attempting structural reductions.
Property had overlarge support with respect to TGBA, discarding it for now.
Starting structural reductions in LTL mode, iteration 0 : 305/305 places, 7936/7936 transitions.
Applied a total of 0 rules in 26 ms. Remains 305 /305 variables (removed 0) and now considering 7936/7936 (removed 0) transitions.
[2023-03-19 01:28:03] [INFO ] Flow matrix only has 2732 transitions (discarded 5204 similar events)
// Phase 1: matrix 2732 rows 305 cols
[2023-03-19 01:28:03] [INFO ] Computed 1 place invariants in 23 ms
[2023-03-19 01:28:04] [INFO ] Implicit Places using invariants in 420 ms returned []
[2023-03-19 01:28:04] [INFO ] Flow matrix only has 2732 transitions (discarded 5204 similar events)
[2023-03-19 01:28:04] [INFO ] Invariant cache hit.
[2023-03-19 01:28:04] [INFO ] State equation strengthened by 147 read => feed constraints.
[2023-03-19 01:28:10] [INFO ] Implicit Places using invariants and state equation in 6601 ms returned []
Implicit Place search using SMT with State Equation took 7024 ms to find 0 implicit places.
[2023-03-19 01:28:10] [INFO ] Flow matrix only has 2732 transitions (discarded 5204 similar events)
[2023-03-19 01:28:10] [INFO ] Invariant cache hit.
[2023-03-19 01:28:12] [INFO ] Dead Transitions using invariants and state equation in 1797 ms found 0 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 8848 ms. Remains : 305/305 places, 7936/7936 transitions.
Computed a total of 11 stabilizing places and 2304 stable transitions
Computed a total of 11 stabilizing places and 2304 stable transitions
Knowledge obtained : [p0, (X p0), true, (X (X p0))]
False Knowledge obtained : []
Knowledge based reduction with 4 factoid took 139 ms. Reduced automaton from 3 states, 4 edges and 1 AP (stutter sensitive) to 3 states, 4 edges and 1 AP (stutter sensitive).
Stuttering acceptance computed with spot in 86 ms :[true, (NOT p0), (NOT p0)]
Incomplete random walk after 10000 steps, including 2 resets, run finished after 30 ms. (steps per millisecond=333 ) properties (out of 1) seen :0
Incomplete Best-First random walk after 10000 steps, including 2 resets, run finished after 13 ms. (steps per millisecond=769 ) properties (out of 1) seen :0
Interrupted probabilistic random walk after 155066 steps, run timeout after 3001 ms. (steps per millisecond=51 ) properties seen :{}
Probabilistic random walk after 155066 steps, saw 52767 distinct states, run finished after 3001 ms. (steps per millisecond=51 ) properties seen :0
Running SMT prover for 1 properties.
[2023-03-19 01:28:15] [INFO ] Flow matrix only has 2732 transitions (discarded 5204 similar events)
[2023-03-19 01:28:15] [INFO ] Invariant cache hit.
[2023-03-19 01:28:15] [INFO ] [Real]Absence check using 0 positive and 1 generalized place invariants in 3 ms returned sat
[2023-03-19 01:28:17] [INFO ] After 1360ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
[2023-03-19 01:28:17] [INFO ] [Nat]Absence check using 0 positive and 1 generalized place invariants in 2 ms returned sat
[2023-03-19 01:28:19] [INFO ] After 2322ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
[2023-03-19 01:28:19] [INFO ] State equation strengthened by 147 read => feed constraints.
[2023-03-19 01:28:24] [INFO ] After 4649ms SMT Verify possible using 147 Read/Feed constraints in natural domain returned unsat :0 sat :1
[2023-03-19 01:28:33] [INFO ] After 13662ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :0
[2023-03-19 01:28:33] [INFO ] After 16054ms 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 305 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 305/305 places, 7936/7936 transitions.
Drop transitions removed 126 transitions
Reduce isomorphic transitions removed 126 transitions.
Iterating post reduction 0 with 126 rules applied. Total rules applied 126 place count 305 transition count 7810
Applied a total of 126 rules in 191 ms. Remains 305 /305 variables (removed 0) and now considering 7810/7936 (removed 126) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 192 ms. Remains : 305/305 places, 7810/7936 transitions.
Incomplete random walk after 10000 steps, including 2 resets, run finished after 30 ms. (steps per millisecond=333 ) properties (out of 1) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 14 ms. (steps per millisecond=714 ) properties (out of 1) seen :0
Interrupted probabilistic random walk after 159533 steps, run timeout after 3001 ms. (steps per millisecond=53 ) properties seen :{}
Probabilistic random walk after 159533 steps, saw 53662 distinct states, run finished after 3002 ms. (steps per millisecond=53 ) properties seen :0
Running SMT prover for 1 properties.
[2023-03-19 01:28:36] [INFO ] Flow matrix only has 2606 transitions (discarded 5204 similar events)
// Phase 1: matrix 2606 rows 305 cols
[2023-03-19 01:28:36] [INFO ] Computed 1 place invariants in 20 ms
[2023-03-19 01:28:36] [INFO ] [Real]Absence check using 0 positive and 1 generalized place invariants in 2 ms returned sat
[2023-03-19 01:28:38] [INFO ] After 2086ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
[2023-03-19 01:28:38] [INFO ] [Nat]Absence check using 0 positive and 1 generalized place invariants in 2 ms returned sat
[2023-03-19 01:28:39] [INFO ] After 1112ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
[2023-03-19 01:28:39] [INFO ] State equation strengthened by 147 read => feed constraints.
[2023-03-19 01:28:42] [INFO ] After 2766ms SMT Verify possible using 147 Read/Feed constraints in natural domain returned unsat :0 sat :1
[2023-03-19 01:28:44] [INFO ] Deduced a trap composed of 138 places in 356 ms of which 1 ms to minimize.
[2023-03-19 01:28:44] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 484 ms
[2023-03-19 01:28:44] [INFO ] After 4760ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
Attempting to minimize the solution found.
Minimization took 616 ms.
[2023-03-19 01:28:45] [INFO ] After 6546ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
Parikh walk visited 0 properties in 9 ms.
Support contains 2 out of 305 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 305/305 places, 7810/7810 transitions.
Applied a total of 0 rules in 178 ms. Remains 305 /305 variables (removed 0) and now considering 7810/7810 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 178 ms. Remains : 305/305 places, 7810/7810 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 305/305 places, 7810/7810 transitions.
Applied a total of 0 rules in 177 ms. Remains 305 /305 variables (removed 0) and now considering 7810/7810 (removed 0) transitions.
[2023-03-19 01:28:45] [INFO ] Flow matrix only has 2606 transitions (discarded 5204 similar events)
[2023-03-19 01:28:45] [INFO ] Invariant cache hit.
[2023-03-19 01:28:45] [INFO ] Implicit Places using invariants in 404 ms returned []
[2023-03-19 01:28:45] [INFO ] Flow matrix only has 2606 transitions (discarded 5204 similar events)
[2023-03-19 01:28:45] [INFO ] Invariant cache hit.
[2023-03-19 01:28:46] [INFO ] State equation strengthened by 147 read => feed constraints.
[2023-03-19 01:28:53] [INFO ] Implicit Places using invariants and state equation in 7404 ms returned []
Implicit Place search using SMT with State Equation took 7809 ms to find 0 implicit places.
[2023-03-19 01:28:54] [INFO ] Redundant transitions in 881 ms returned []
[2023-03-19 01:28:54] [INFO ] Flow matrix only has 2606 transitions (discarded 5204 similar events)
[2023-03-19 01:28:54] [INFO ] Invariant cache hit.
[2023-03-19 01:28:56] [INFO ] Dead Transitions using invariants and state equation in 1783 ms found 0 transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 10663 ms. Remains : 305/305 places, 7810/7810 transitions.
Graph (trivial) has 5008 edges and 305 vertex of which 37 / 305 are part of one of the 2 SCC in 0 ms
Free SCC test removed 35 places
Drop transitions removed 4008 transitions
Ensure Unique test removed 1436 transitions
Reduce isomorphic transitions removed 5444 transitions.
Drop transitions removed 416 transitions
Redundant transition composition rules discarded 416 transitions
Iterating global reduction 0 with 416 rules applied. Total rules applied 417 place count 270 transition count 1950
Applied a total of 417 rules in 118 ms. Remains 270 /305 variables (removed 35) and now considering 1950/7810 (removed 5860) transitions.
Running SMT prover for 1 properties.
// Phase 1: matrix 1950 rows 270 cols
[2023-03-19 01:28:56] [INFO ] Computed 1 place invariants in 15 ms
[2023-03-19 01:28:56] [INFO ] [Real]Absence check using 0 positive and 1 generalized place invariants in 2 ms returned sat
[2023-03-19 01:28:56] [INFO ] After 605ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
[2023-03-19 01:28:56] [INFO ] [Nat]Absence check using 0 positive and 1 generalized place invariants in 1 ms returned sat
[2023-03-19 01:28:57] [INFO ] After 491ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
[2023-03-19 01:28:57] [INFO ] State equation strengthened by 504 read => feed constraints.
[2023-03-19 01:28:57] [INFO ] After 594ms SMT Verify possible using 504 Read/Feed constraints in natural domain returned unsat :0 sat :1
[2023-03-19 01:28:58] [INFO ] After 694ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
Attempting to minimize the solution found.
Minimization took 43 ms.
[2023-03-19 01:28:58] [INFO ] After 1289ms 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 292 ms. Reduced automaton from 3 states, 4 edges and 1 AP (stutter sensitive) to 3 states, 4 edges and 1 AP (stutter sensitive).
Stuttering acceptance computed with spot in 87 ms :[true, (NOT p0), (NOT p0)]
Stuttering acceptance computed with spot in 88 ms :[true, (NOT p0), (NOT p0)]
Stuttering acceptance computed with spot in 106 ms :[true, (NOT p0), (NOT p0)]
Product exploration explored 100000 steps with 0 reset in 625 ms.
Product exploration explored 100000 steps with 0 reset in 552 ms.
Applying partial POR strategy [true, false, true]
Stuttering acceptance computed with spot in 88 ms :[true, (NOT p0), (NOT p0)]
Support contains 2 out of 305 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 305/305 places, 7936/7936 transitions.
Applied a total of 0 rules in 227 ms. Remains 305 /305 variables (removed 0) and now considering 7936/7936 (removed 0) transitions.
[2023-03-19 01:29:01] [INFO ] Redundant transitions in 839 ms returned []
[2023-03-19 01:29:01] [INFO ] Flow matrix only has 2732 transitions (discarded 5204 similar events)
// Phase 1: matrix 2732 rows 305 cols
[2023-03-19 01:29:01] [INFO ] Computed 1 place invariants in 20 ms
[2023-03-19 01:29:03] [INFO ] Dead Transitions using invariants and state equation in 2012 ms found 0 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 3093 ms. Remains : 305/305 places, 7936/7936 transitions.
Support contains 2 out of 305 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 305/305 places, 7936/7936 transitions.
Applied a total of 0 rules in 28 ms. Remains 305 /305 variables (removed 0) and now considering 7936/7936 (removed 0) transitions.
[2023-03-19 01:29:03] [INFO ] Flow matrix only has 2732 transitions (discarded 5204 similar events)
[2023-03-19 01:29:03] [INFO ] Invariant cache hit.
[2023-03-19 01:29:03] [INFO ] Implicit Places using invariants in 442 ms returned []
[2023-03-19 01:29:03] [INFO ] Flow matrix only has 2732 transitions (discarded 5204 similar events)
[2023-03-19 01:29:03] [INFO ] Invariant cache hit.
[2023-03-19 01:29:04] [INFO ] State equation strengthened by 147 read => feed constraints.
[2023-03-19 01:29:10] [INFO ] Implicit Places using invariants and state equation in 6642 ms returned []
Implicit Place search using SMT with State Equation took 7087 ms to find 0 implicit places.
[2023-03-19 01:29:10] [INFO ] Flow matrix only has 2732 transitions (discarded 5204 similar events)
[2023-03-19 01:29:10] [INFO ] Invariant cache hit.
[2023-03-19 01:29:12] [INFO ] Dead Transitions using invariants and state equation in 1823 ms found 0 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 8940 ms. Remains : 305/305 places, 7936/7936 transitions.
Treatment of property Szymanski-PT-b02-LTLFireability-04 finished in 162288 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)||G(F(p1))))))'
Support contains 4 out of 306 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 306/306 places, 8064/8064 transitions.
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 1 place count 305 transition count 7936
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 305 transition count 7936
Applied a total of 2 rules in 60 ms. Remains 305 /306 variables (removed 1) and now considering 7936/8064 (removed 128) transitions.
[2023-03-19 01:29:12] [INFO ] Flow matrix only has 2732 transitions (discarded 5204 similar events)
[2023-03-19 01:29:12] [INFO ] Invariant cache hit.
[2023-03-19 01:29:12] [INFO ] Implicit Places using invariants in 413 ms returned []
[2023-03-19 01:29:12] [INFO ] Flow matrix only has 2732 transitions (discarded 5204 similar events)
[2023-03-19 01:29:12] [INFO ] Invariant cache hit.
[2023-03-19 01:29:13] [INFO ] State equation strengthened by 147 read => feed constraints.
[2023-03-19 01:29:19] [INFO ] Implicit Places using invariants and state equation in 7048 ms returned []
Implicit Place search using SMT with State Equation took 7463 ms to find 0 implicit places.
[2023-03-19 01:29:19] [INFO ] Flow matrix only has 2732 transitions (discarded 5204 similar events)
[2023-03-19 01:29:19] [INFO ] Invariant cache hit.
[2023-03-19 01:29:21] [INFO ] Dead Transitions using invariants and state equation in 1831 ms found 0 transitions.
Starting structural reductions in LTL mode, iteration 1 : 305/306 places, 7936/8064 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 9357 ms. Remains : 305/306 places, 7936/8064 transitions.
Stuttering acceptance computed with spot in 177 ms :[(AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1)), (NOT p1), (NOT p1)]
Running random walk in product with property : Szymanski-PT-b02-LTLFireability-05 automaton TGBA Formula[mat=[[{ cond=true, acceptance={} source=0 dest: 1}], [{ cond=true, acceptance={} source=1 dest: 2}], [{ cond=p0, acceptance={} source=2 dest: 2}, { cond=(AND (NOT p0) (NOT p1)), acceptance={} source=2 dest: 3}, { cond=(NOT p0), acceptance={} source=2 dest: 4}], [{ cond=(NOT p1), acceptance={0} source=3 dest: 3}], [{ cond=(NOT p1), acceptance={} source=4 dest: 3}, { cond=true, acceptance={} source=4 dest: 4}]], initial=0, aps=[p0:(AND (GEQ s58 1) (GEQ s300 1)), p1:(AND (GEQ s120 1) (GEQ s256 1))], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, no-univ-branch, stutter-sensitive, very-weak, weak, inherently-weak], stateDesc=[null, null, null, null, null][false, false, false, false, false]]
Product exploration explored 100000 steps with 0 reset in 387 ms.
Stack based approach found an accepted trace after 46 steps with 0 reset with depth 47 and stack size 47 in 0 ms.
FORMULA Szymanski-PT-b02-LTLFireability-05 FALSE TECHNIQUES STACK_TEST
Treatment of property Szymanski-PT-b02-LTLFireability-05 finished in 9955 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 306 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 306/306 places, 8064/8064 transitions.
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 1 place count 305 transition count 7936
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 305 transition count 7936
Applied a total of 2 rules in 216 ms. Remains 305 /306 variables (removed 1) and now considering 7936/8064 (removed 128) transitions.
[2023-03-19 01:29:22] [INFO ] Flow matrix only has 2732 transitions (discarded 5204 similar events)
[2023-03-19 01:29:22] [INFO ] Invariant cache hit.
[2023-03-19 01:29:22] [INFO ] Implicit Places using invariants in 430 ms returned []
[2023-03-19 01:29:22] [INFO ] Flow matrix only has 2732 transitions (discarded 5204 similar events)
[2023-03-19 01:29:22] [INFO ] Invariant cache hit.
[2023-03-19 01:29:23] [INFO ] State equation strengthened by 147 read => feed constraints.
[2023-03-19 01:29:29] [INFO ] Implicit Places using invariants and state equation in 6713 ms returned []
Implicit Place search using SMT with State Equation took 7146 ms to find 0 implicit places.
[2023-03-19 01:29:30] [INFO ] Redundant transitions in 910 ms returned []
[2023-03-19 01:29:30] [INFO ] Flow matrix only has 2732 transitions (discarded 5204 similar events)
[2023-03-19 01:29:30] [INFO ] Invariant cache hit.
[2023-03-19 01:29:32] [INFO ] Dead Transitions using invariants and state equation in 1807 ms found 0 transitions.
Starting structural reductions in SI_LTL mode, iteration 1 : 305/306 places, 7936/8064 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 10090 ms. Remains : 305/306 places, 7936/8064 transitions.
Stuttering acceptance computed with spot in 29 ms :[(NOT p0)]
Running random walk in product with property : Szymanski-PT-b02-LTLFireability-06 automaton TGBA Formula[mat=[[{ cond=p0, acceptance={} source=0 dest: 0}, { cond=(NOT p0), acceptance={0} source=0 dest: 0}]], initial=0, aps=[p0:(OR (LT s87 1) (LT s274 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 447 ms.
Product exploration explored 100000 steps with 0 reset in 409 ms.
Computed a total of 11 stabilizing places and 2304 stable transitions
Computed a total of 11 stabilizing places and 2304 stable transitions
Knowledge obtained : [p0, (X p0), (X (X p0))]
False Knowledge obtained : []
Knowledge based reduction with 3 factoid took 108 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 28 ms :[(NOT p0)]
Incomplete random walk after 10000 steps, including 2 resets, run finished after 31 ms. (steps per millisecond=322 ) properties (out of 1) seen :0
Finished Best-First random walk after 317 steps, including 0 resets, run visited all 1 properties in 2 ms. (steps per millisecond=158 )
Knowledge obtained : [p0, (X p0), (X (X p0))]
False Knowledge obtained : [(F (NOT p0))]
Knowledge based reduction with 3 factoid took 135 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 41 ms :[(NOT p0)]
Stuttering acceptance computed with spot in 34 ms :[(NOT p0)]
Support contains 2 out of 305 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 305/305 places, 7936/7936 transitions.
Applied a total of 0 rules in 189 ms. Remains 305 /305 variables (removed 0) and now considering 7936/7936 (removed 0) transitions.
[2023-03-19 01:29:33] [INFO ] Flow matrix only has 2732 transitions (discarded 5204 similar events)
[2023-03-19 01:29:33] [INFO ] Invariant cache hit.
[2023-03-19 01:29:34] [INFO ] Implicit Places using invariants in 410 ms returned []
[2023-03-19 01:29:34] [INFO ] Flow matrix only has 2732 transitions (discarded 5204 similar events)
[2023-03-19 01:29:34] [INFO ] Invariant cache hit.
[2023-03-19 01:29:34] [INFO ] State equation strengthened by 147 read => feed constraints.
[2023-03-19 01:29:40] [INFO ] Implicit Places using invariants and state equation in 6080 ms returned []
Implicit Place search using SMT with State Equation took 6494 ms to find 0 implicit places.
[2023-03-19 01:29:40] [INFO ] Redundant transitions in 643 ms returned []
[2023-03-19 01:29:41] [INFO ] Flow matrix only has 2732 transitions (discarded 5204 similar events)
[2023-03-19 01:29:41] [INFO ] Invariant cache hit.
[2023-03-19 01:29:42] [INFO ] Dead Transitions using invariants and state equation in 1841 ms found 0 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 9176 ms. Remains : 305/305 places, 7936/7936 transitions.
Computed a total of 11 stabilizing places and 2304 stable transitions
Computed a total of 11 stabilizing places and 2304 stable transitions
Knowledge obtained : [p0, (X p0), (X (X p0))]
False Knowledge obtained : []
Knowledge based reduction with 3 factoid took 98 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 36 ms. (steps per millisecond=277 ) properties (out of 1) seen :0
Finished Best-First random walk after 238 steps, including 0 resets, run visited all 1 properties in 2 ms. (steps per millisecond=119 )
Knowledge obtained : [p0, (X p0), (X (X p0))]
False Knowledge obtained : [(F (NOT p0))]
Knowledge based reduction with 3 factoid took 119 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)]
Stuttering acceptance computed with spot in 35 ms :[(NOT p0)]
Stuttering acceptance computed with spot in 27 ms :[(NOT p0)]
Product exploration explored 100000 steps with 0 reset in 446 ms.
Product exploration explored 100000 steps with 0 reset in 445 ms.
Support contains 2 out of 305 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 305/305 places, 7936/7936 transitions.
Applied a total of 0 rules in 183 ms. Remains 305 /305 variables (removed 0) and now considering 7936/7936 (removed 0) transitions.
[2023-03-19 01:29:44] [INFO ] Flow matrix only has 2732 transitions (discarded 5204 similar events)
[2023-03-19 01:29:44] [INFO ] Invariant cache hit.
[2023-03-19 01:29:44] [INFO ] Implicit Places using invariants in 405 ms returned []
[2023-03-19 01:29:44] [INFO ] Flow matrix only has 2732 transitions (discarded 5204 similar events)
[2023-03-19 01:29:44] [INFO ] Invariant cache hit.
[2023-03-19 01:29:45] [INFO ] State equation strengthened by 147 read => feed constraints.
[2023-03-19 01:29:51] [INFO ] Implicit Places using invariants and state equation in 6442 ms returned []
Implicit Place search using SMT with State Equation took 6858 ms to find 0 implicit places.
[2023-03-19 01:29:51] [INFO ] Redundant transitions in 658 ms returned []
[2023-03-19 01:29:51] [INFO ] Flow matrix only has 2732 transitions (discarded 5204 similar events)
[2023-03-19 01:29:51] [INFO ] Invariant cache hit.
[2023-03-19 01:29:53] [INFO ] Dead Transitions using invariants and state equation in 1861 ms found 0 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 9568 ms. Remains : 305/305 places, 7936/7936 transitions.
Treatment of property Szymanski-PT-b02-LTLFireability-06 finished in 31720 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202303021504/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(G((F(p0)&&(p1||X(p2))))))'
Support contains 6 out of 306 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 306/306 places, 8064/8064 transitions.
Applied a total of 0 rules in 34 ms. Remains 306 /306 variables (removed 0) and now considering 8064/8064 (removed 0) transitions.
[2023-03-19 01:29:54] [INFO ] Flow matrix only has 2733 transitions (discarded 5331 similar events)
// Phase 1: matrix 2733 rows 306 cols
[2023-03-19 01:29:54] [INFO ] Computed 1 place invariants in 18 ms
[2023-03-19 01:29:54] [INFO ] Implicit Places using invariants in 424 ms returned []
[2023-03-19 01:29:54] [INFO ] Flow matrix only has 2733 transitions (discarded 5331 similar events)
[2023-03-19 01:29:54] [INFO ] Invariant cache hit.
[2023-03-19 01:29:54] [INFO ] State equation strengthened by 147 read => feed constraints.
[2023-03-19 01:30:00] [INFO ] Implicit Places using invariants and state equation in 5819 ms returned []
Implicit Place search using SMT with State Equation took 6244 ms to find 0 implicit places.
[2023-03-19 01:30:00] [INFO ] Flow matrix only has 2733 transitions (discarded 5331 similar events)
[2023-03-19 01:30:00] [INFO ] Invariant cache hit.
[2023-03-19 01:30:02] [INFO ] Dead Transitions using invariants and state equation in 1832 ms found 0 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 8111 ms. Remains : 306/306 places, 8064/8064 transitions.
Stuttering acceptance computed with spot in 163 ms :[(OR (NOT p0) (AND (NOT p1) (NOT p2))), (OR (NOT p0) (AND (NOT p1) (NOT p2))), (NOT p0), (NOT p2), true]
Running random walk in product with property : Szymanski-PT-b02-LTLFireability-07 automaton TGBA Formula[mat=[[{ cond=true, acceptance={} source=0 dest: 1}], [{ cond=true, acceptance={} source=1 dest: 1}, { cond=(NOT p0), acceptance={} source=1 dest: 2}, { cond=(NOT p1), acceptance={} source=1 dest: 3}], [{ cond=(NOT p0), acceptance={0} source=2 dest: 2}], [{ cond=(NOT p2), acceptance={} source=3 dest: 4}], [{ cond=true, acceptance={0} source=4 dest: 4}]], initial=0, aps=[p0:(AND (GEQ s4 1) (GEQ s305 1)), p1:(AND (GEQ s101 1) (GEQ s259 1)), p2:(AND (GEQ s15 1) (GEQ s302 1))], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, no-univ-branch, stutter-sensitive, very-weak, weak, inherently-weak], stateDesc=[null, null, null, null, null][false, false, false, false, false]]
Entered a terminal (fully accepting) state of product in 2 steps with 0 reset in 1 ms.
FORMULA Szymanski-PT-b02-LTLFireability-07 FALSE TECHNIQUES STUTTER_TEST
Treatment of property Szymanski-PT-b02-LTLFireability-07 finished in 8301 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)&&G(p1)&&F(p2))))'
Support contains 5 out of 306 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 306/306 places, 8064/8064 transitions.
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 1 place count 305 transition count 7936
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 305 transition count 7936
Applied a total of 2 rules in 58 ms. Remains 305 /306 variables (removed 1) and now considering 7936/8064 (removed 128) transitions.
[2023-03-19 01:30:02] [INFO ] Flow matrix only has 2732 transitions (discarded 5204 similar events)
// Phase 1: matrix 2732 rows 305 cols
[2023-03-19 01:30:02] [INFO ] Computed 1 place invariants in 22 ms
[2023-03-19 01:30:02] [INFO ] Implicit Places using invariants in 436 ms returned []
[2023-03-19 01:30:02] [INFO ] Flow matrix only has 2732 transitions (discarded 5204 similar events)
[2023-03-19 01:30:02] [INFO ] Invariant cache hit.
[2023-03-19 01:30:03] [INFO ] State equation strengthened by 147 read => feed constraints.
[2023-03-19 01:30:10] [INFO ] Implicit Places using invariants and state equation in 7692 ms returned []
Implicit Place search using SMT with State Equation took 8144 ms to find 0 implicit places.
[2023-03-19 01:30:10] [INFO ] Flow matrix only has 2732 transitions (discarded 5204 similar events)
[2023-03-19 01:30:10] [INFO ] Invariant cache hit.
[2023-03-19 01:30:12] [INFO ] Dead Transitions using invariants and state equation in 1800 ms found 0 transitions.
Starting structural reductions in LTL mode, iteration 1 : 305/306 places, 7936/8064 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 10004 ms. Remains : 305/306 places, 7936/8064 transitions.
Stuttering acceptance computed with spot in 182 ms :[(NOT p1), (OR (NOT p1) (NOT p2)), (OR (NOT p1) (NOT p0)), true, (OR (NOT p2) (NOT p0) (NOT p1)), (OR (NOT p1) (NOT p2) (NOT p0))]
Running random walk in product with property : Szymanski-PT-b02-LTLFireability-08 automaton TGBA Formula[mat=[[{ cond=p1, acceptance={} source=0 dest: 0}, { cond=(NOT p1), acceptance={} source=0 dest: 3}], [{ cond=(AND p1 p2), acceptance={0} source=1 dest: 0}, { cond=(AND p1 (NOT p2)), acceptance={0} source=1 dest: 1}, { cond=(NOT p1), acceptance={0} source=1 dest: 3}], [{ cond=(AND p0 p1), acceptance={0} source=2 dest: 0}, { cond=(AND (NOT p0) p1), acceptance={0} source=2 dest: 2}, { cond=(NOT p1), acceptance={0} source=2 dest: 3}], [{ cond=true, acceptance={0} source=3 dest: 3}], [{ cond=true, acceptance={} source=4 dest: 5}], [{ cond=(AND p0 p1 p2), acceptance={0} source=5 dest: 0}, { cond=(AND p0 p1 (NOT p2)), acceptance={0} source=5 dest: 1}, { cond=(AND (NOT p0) p1 p2), acceptance={0} source=5 dest: 2}, { cond=(NOT p1), acceptance={0} source=5 dest: 3}, { cond=(AND (NOT p0) p1 (NOT p2)), acceptance={0} source=5 dest: 5}]], initial=4, aps=[p1:(AND (GEQ s84 1) (GEQ s287 1)), p2:(AND (GEQ s101 1) (GEQ s267 1)), p0:(AND (GEQ s60 1) (GEQ s267 1))], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, complete, deterministic, no-univ-branch, unambiguous, semi-deterministic, stutter-sensitive, very-weak, weak, inherently-weak], stateDesc=[null, null, null, null, null, null][false, false, false, false, false, false]]
Entered a terminal (fully accepting) state of product in 1 steps with 0 reset in 0 ms.
FORMULA Szymanski-PT-b02-LTLFireability-08 FALSE TECHNIQUES STUTTER_TEST
Treatment of property Szymanski-PT-b02-LTLFireability-08 finished in 10211 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))||X((!(p2 U p3)||F(!p2)))))'
Support contains 8 out of 306 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 306/306 places, 8064/8064 transitions.
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 1 place count 305 transition count 7936
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 305 transition count 7936
Applied a total of 2 rules in 58 ms. Remains 305 /306 variables (removed 1) and now considering 7936/8064 (removed 128) transitions.
[2023-03-19 01:30:12] [INFO ] Flow matrix only has 2732 transitions (discarded 5204 similar events)
[2023-03-19 01:30:12] [INFO ] Invariant cache hit.
[2023-03-19 01:30:12] [INFO ] Implicit Places using invariants in 398 ms returned []
[2023-03-19 01:30:12] [INFO ] Flow matrix only has 2732 transitions (discarded 5204 similar events)
[2023-03-19 01:30:12] [INFO ] Invariant cache hit.
[2023-03-19 01:30:13] [INFO ] State equation strengthened by 147 read => feed constraints.
[2023-03-19 01:30:19] [INFO ] Implicit Places using invariants and state equation in 6631 ms returned []
Implicit Place search using SMT with State Equation took 7033 ms to find 0 implicit places.
[2023-03-19 01:30:19] [INFO ] Flow matrix only has 2732 transitions (discarded 5204 similar events)
[2023-03-19 01:30:19] [INFO ] Invariant cache hit.
[2023-03-19 01:30:21] [INFO ] Dead Transitions using invariants and state equation in 1857 ms found 0 transitions.
Starting structural reductions in LTL mode, iteration 1 : 305/306 places, 7936/8064 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 8949 ms. Remains : 305/306 places, 7936/8064 transitions.
Stuttering acceptance computed with spot in 192 ms :[p2, (AND p1 p2 p3), (AND p2 p3), (AND p1 p2 p3), (AND p1 p2)]
Running random walk in product with property : Szymanski-PT-b02-LTLFireability-09 automaton TGBA Formula[mat=[[{ cond=p2, acceptance={0} source=0 dest: 0}], [{ cond=true, acceptance={} source=1 dest: 3}], [{ cond=(AND p2 p3), acceptance={} source=2 dest: 0}, { cond=(AND p2 (NOT p3)), acceptance={} source=2 dest: 2}], [{ cond=(AND p1 p2 p3), acceptance={} source=3 dest: 0}, { cond=(AND p1 p2 (NOT p3)), acceptance={} source=3 dest: 2}, { cond=(AND p0 (NOT p1) p2 (NOT p3)), acceptance={} source=3 dest: 3}, { cond=(AND p0 (NOT p1) p2 p3), acceptance={} source=3 dest: 4}], [{ cond=(AND p1 p2), acceptance={} source=4 dest: 0}, { cond=(AND p0 (NOT p1) p2), acceptance={} source=4 dest: 4}]], initial=1, aps=[p2:(AND (GEQ s17 1) (GEQ s257 1)), p3:(AND (GEQ s111 1) (GEQ s303 1)), p1:(AND (GEQ s114 1) (GEQ s276 1)), p0:(AND (GEQ s3 1) (GEQ s261 1))], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, deterministic, no-univ-branch, unambiguous, semi-deterministic, stutter-sensitive, very-weak, weak, inherently-weak], stateDesc=[null, null, null, null, null][false, false, false, false, false]]
Product exploration explored 100000 steps with 50000 reset in 725 ms.
Product exploration explored 100000 steps with 50000 reset in 647 ms.
Computed a total of 11 stabilizing places and 2304 stable transitions
Computed a total of 11 stabilizing places and 2304 stable transitions
Knowledge obtained : [(AND (NOT p2) (NOT p3) (NOT p1) (NOT p0)), (X (NOT (AND p0 (NOT p1) p2 p3))), (X (NOT (AND p0 (NOT p1) p2 (NOT p3)))), (X (NOT (AND p1 p2 (NOT p3)))), (X (NOT (AND p1 p2 p3))), (X (X (NOT p2))), (X (X (NOT (AND p0 (NOT p1) p2 p3)))), (X (X (NOT (AND p2 (NOT p3))))), (X (X (NOT (AND p1 p2)))), (X (X (NOT (AND p0 (NOT p1) p2)))), (X (X (NOT (AND p0 (NOT p1) p2 (NOT p3))))), (X (X (NOT (AND p1 p2 (NOT p3))))), (X (X (NOT (AND p2 p3)))), (X (X (NOT (AND p1 p2 p3))))]
False Knowledge obtained : []
Property proved to be true thanks to knowledge :(X (X (NOT p2)))
Knowledge based reduction with 14 factoid took 258 ms. Reduced automaton from 5 states, 10 edges and 4 AP (stutter sensitive) to 1 states, 0 edges and 0 AP (stutter insensitive).
FORMULA Szymanski-PT-b02-LTLFireability-09 TRUE TECHNIQUES KNOWLEDGE
Treatment of property Szymanski-PT-b02-LTLFireability-09 finished in 10810 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202303021504/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(G(p0)))'
Support contains 2 out of 306 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 306/306 places, 8064/8064 transitions.
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 1 place count 305 transition count 7936
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 305 transition count 7936
Applied a total of 2 rules in 60 ms. Remains 305 /306 variables (removed 1) and now considering 7936/8064 (removed 128) transitions.
[2023-03-19 01:30:23] [INFO ] Flow matrix only has 2732 transitions (discarded 5204 similar events)
[2023-03-19 01:30:23] [INFO ] Invariant cache hit.
[2023-03-19 01:30:23] [INFO ] Implicit Places using invariants in 410 ms returned []
[2023-03-19 01:30:23] [INFO ] Flow matrix only has 2732 transitions (discarded 5204 similar events)
[2023-03-19 01:30:23] [INFO ] Invariant cache hit.
[2023-03-19 01:30:24] [INFO ] State equation strengthened by 147 read => feed constraints.
[2023-03-19 01:30:31] [INFO ] Implicit Places using invariants and state equation in 7494 ms returned []
Implicit Place search using SMT with State Equation took 7907 ms to find 0 implicit places.
[2023-03-19 01:30:31] [INFO ] Flow matrix only has 2732 transitions (discarded 5204 similar events)
[2023-03-19 01:30:31] [INFO ] Invariant cache hit.
[2023-03-19 01:30:33] [INFO ] Dead Transitions using invariants and state equation in 1886 ms found 0 transitions.
Starting structural reductions in LTL mode, iteration 1 : 305/306 places, 7936/8064 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 9854 ms. Remains : 305/306 places, 7936/8064 transitions.
Stuttering acceptance computed with spot in 89 ms :[true, (NOT p0), (NOT p0)]
Running random walk in product with property : Szymanski-PT-b02-LTLFireability-10 automaton TGBA Formula[mat=[[{ cond=true, acceptance={0} source=0 dest: 0}], [{ cond=true, acceptance={} source=1 dest: 2}], [{ cond=(NOT p0), acceptance={} source=2 dest: 0}, { cond=p0, acceptance={} source=2 dest: 2}]], initial=1, aps=[p0:(AND (GEQ s93 1) (GEQ s297 1))], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, complete, deterministic, no-univ-branch, unambiguous, semi-deterministic, stutter-sensitive, terminal, very-weak, weak, inherently-weak], stateDesc=[null, null, null][false, false, false]]
Entered a terminal (fully accepting) state of product in 1 steps with 0 reset in 1 ms.
FORMULA Szymanski-PT-b02-LTLFireability-10 FALSE TECHNIQUES STUTTER_TEST
Treatment of property Szymanski-PT-b02-LTLFireability-10 finished in 9964 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202303021504/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(!(((p0 U p1)&&!p0) U X(p0)))'
Support contains 4 out of 306 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 306/306 places, 8064/8064 transitions.
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 1 place count 305 transition count 7936
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 305 transition count 7936
Applied a total of 2 rules in 61 ms. Remains 305 /306 variables (removed 1) and now considering 7936/8064 (removed 128) transitions.
[2023-03-19 01:30:33] [INFO ] Flow matrix only has 2732 transitions (discarded 5204 similar events)
[2023-03-19 01:30:33] [INFO ] Invariant cache hit.
[2023-03-19 01:30:33] [INFO ] Implicit Places using invariants in 409 ms returned []
[2023-03-19 01:30:33] [INFO ] Flow matrix only has 2732 transitions (discarded 5204 similar events)
[2023-03-19 01:30:33] [INFO ] Invariant cache hit.
[2023-03-19 01:30:34] [INFO ] State equation strengthened by 147 read => feed constraints.
[2023-03-19 01:30:40] [INFO ] Implicit Places using invariants and state equation in 7119 ms returned []
Implicit Place search using SMT with State Equation took 7531 ms to find 0 implicit places.
[2023-03-19 01:30:40] [INFO ] Flow matrix only has 2732 transitions (discarded 5204 similar events)
[2023-03-19 01:30:40] [INFO ] Invariant cache hit.
[2023-03-19 01:30:42] [INFO ] Dead Transitions using invariants and state equation in 1855 ms found 0 transitions.
Starting structural reductions in LTL mode, iteration 1 : 305/306 places, 7936/8064 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 9447 ms. Remains : 305/306 places, 7936/8064 transitions.
Stuttering acceptance computed with spot in 81 ms :[p0, p0, true]
Running random walk in product with property : Szymanski-PT-b02-LTLFireability-11 automaton TGBA Formula[mat=[[{ cond=(AND (NOT p0) p1), acceptance={} source=0 dest: 0}, { cond=true, acceptance={} source=0 dest: 1}], [{ cond=p0, acceptance={} source=1 dest: 2}], [{ cond=true, acceptance={0} source=2 dest: 2}]], initial=0, aps=[p0:(AND (GEQ s118 1) (GEQ s280 1)), p1:(AND (GEQ s22 1) (GEQ s296 1))], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, no-univ-branch, stutter-sensitive, terminal, very-weak, weak, inherently-weak], stateDesc=[null, null, null][false, false, false]]
Product exploration explored 100000 steps with 50000 reset in 689 ms.
Product exploration explored 100000 steps with 50000 reset in 629 ms.
Computed a total of 11 stabilizing places and 2304 stable transitions
Computed a total of 11 stabilizing places and 2304 stable transitions
Knowledge obtained : [(AND (NOT p0) (NOT p1)), (X (NOT (AND (NOT p0) p1))), (X (NOT p0)), true, (X (X (NOT (AND (NOT p0) p1)))), (X (X (NOT p0)))]
False Knowledge obtained : []
Property proved to be true thanks to knowledge :(X (NOT p0))
Knowledge based reduction with 6 factoid took 106 ms. Reduced automaton from 3 states, 4 edges and 2 AP (stutter sensitive) to 1 states, 0 edges and 0 AP (stutter insensitive).
FORMULA Szymanski-PT-b02-LTLFireability-11 TRUE TECHNIQUES KNOWLEDGE
Treatment of property Szymanski-PT-b02-LTLFireability-11 finished in 10992 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 306 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 306/306 places, 8064/8064 transitions.
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 1 place count 305 transition count 7936
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 305 transition count 7936
Applied a total of 2 rules in 57 ms. Remains 305 /306 variables (removed 1) and now considering 7936/8064 (removed 128) transitions.
[2023-03-19 01:30:44] [INFO ] Flow matrix only has 2732 transitions (discarded 5204 similar events)
[2023-03-19 01:30:44] [INFO ] Invariant cache hit.
[2023-03-19 01:30:44] [INFO ] Implicit Places using invariants in 419 ms returned []
[2023-03-19 01:30:44] [INFO ] Flow matrix only has 2732 transitions (discarded 5204 similar events)
[2023-03-19 01:30:44] [INFO ] Invariant cache hit.
[2023-03-19 01:30:45] [INFO ] State equation strengthened by 147 read => feed constraints.
[2023-03-19 01:30:51] [INFO ] Implicit Places using invariants and state equation in 6826 ms returned []
Implicit Place search using SMT with State Equation took 7246 ms to find 0 implicit places.
[2023-03-19 01:30:51] [INFO ] Flow matrix only has 2732 transitions (discarded 5204 similar events)
[2023-03-19 01:30:51] [INFO ] Invariant cache hit.
[2023-03-19 01:30:53] [INFO ] Dead Transitions using invariants and state equation in 1868 ms found 0 transitions.
Starting structural reductions in LTL mode, iteration 1 : 305/306 places, 7936/8064 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 9171 ms. Remains : 305/306 places, 7936/8064 transitions.
Stuttering acceptance computed with spot in 112 ms :[true, (NOT p0), (NOT p0), (NOT p0)]
Running random walk in product with property : Szymanski-PT-b02-LTLFireability-14 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:(OR (LT s52 1) (LT s270 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 184 steps with 0 reset in 3 ms.
FORMULA Szymanski-PT-b02-LTLFireability-14 FALSE TECHNIQUES STUTTER_TEST
Treatment of property Szymanski-PT-b02-LTLFireability-14 finished in 9307 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(G(p1)))))'
Support contains 4 out of 306 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 306/306 places, 8064/8064 transitions.
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 1 place count 305 transition count 7936
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 305 transition count 7936
Applied a total of 2 rules in 220 ms. Remains 305 /306 variables (removed 1) and now considering 7936/8064 (removed 128) transitions.
[2023-03-19 01:30:53] [INFO ] Flow matrix only has 2732 transitions (discarded 5204 similar events)
[2023-03-19 01:30:53] [INFO ] Invariant cache hit.
[2023-03-19 01:30:54] [INFO ] Implicit Places using invariants in 416 ms returned []
[2023-03-19 01:30:54] [INFO ] Flow matrix only has 2732 transitions (discarded 5204 similar events)
[2023-03-19 01:30:54] [INFO ] Invariant cache hit.
[2023-03-19 01:30:54] [INFO ] State equation strengthened by 147 read => feed constraints.
[2023-03-19 01:31:00] [INFO ] Implicit Places using invariants and state equation in 6502 ms returned []
Implicit Place search using SMT with State Equation took 6920 ms to find 0 implicit places.
[2023-03-19 01:31:01] [INFO ] Redundant transitions in 709 ms returned []
[2023-03-19 01:31:01] [INFO ] Flow matrix only has 2732 transitions (discarded 5204 similar events)
[2023-03-19 01:31:01] [INFO ] Invariant cache hit.
[2023-03-19 01:31:03] [INFO ] Dead Transitions using invariants and state equation in 1869 ms found 0 transitions.
Starting structural reductions in SI_LTL mode, iteration 1 : 305/306 places, 7936/8064 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 9725 ms. Remains : 305/306 places, 7936/8064 transitions.
Stuttering acceptance computed with spot in 98 ms :[(OR (NOT p0) (NOT p1)), (NOT p0), (NOT p1)]
Running random walk in product with property : Szymanski-PT-b02-LTLFireability-15 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=p1, acceptance={} source=2 dest: 2}, { cond=(NOT p1), acceptance={0} source=2 dest: 2}]], initial=0, aps=[p0:(OR (LT s50 1) (LT s298 1)), p1:(AND (GEQ s43 1) (GEQ s294 1))], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, no-univ-branch, stutter-invariant], stateDesc=[null, null, null][true, true, true]]
Product exploration explored 100000 steps with 0 reset in 405 ms.
Stack based approach found an accepted trace after 51 steps with 0 reset with depth 52 and stack size 52 in 1 ms.
FORMULA Szymanski-PT-b02-LTLFireability-15 FALSE TECHNIQUES STACK_TEST
Treatment of property Szymanski-PT-b02-LTLFireability-15 finished in 10260 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))))'
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((G(p1)||p0))))'
Found a Lengthening insensitive property : Szymanski-PT-b02-LTLFireability-04
Stuttering acceptance computed with spot in 95 ms :[true, (AND (NOT p1) (NOT p0)), (NOT p1), (AND (NOT p1) (NOT p0))]
Support contains 4 out of 306 places. Attempting structural reductions.
Starting structural reductions in LI_LTL mode, iteration 0 : 306/306 places, 8064/8064 transitions.
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 1 place count 305 transition count 7936
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 305 transition count 7936
Applied a total of 2 rules in 88 ms. Remains 305 /306 variables (removed 1) and now considering 7936/8064 (removed 128) transitions.
[2023-03-19 01:31:04] [INFO ] Flow matrix only has 2732 transitions (discarded 5204 similar events)
[2023-03-19 01:31:04] [INFO ] Invariant cache hit.
[2023-03-19 01:31:04] [INFO ] Implicit Places using invariants in 390 ms returned []
[2023-03-19 01:31:04] [INFO ] Flow matrix only has 2732 transitions (discarded 5204 similar events)
[2023-03-19 01:31:04] [INFO ] Invariant cache hit.
[2023-03-19 01:31:05] [INFO ] State equation strengthened by 147 read => feed constraints.
[2023-03-19 01:31:12] [INFO ] Implicit Places using invariants and state equation in 7480 ms returned []
Implicit Place search using SMT with State Equation took 7872 ms to find 0 implicit places.
[2023-03-19 01:31:12] [INFO ] Flow matrix only has 2732 transitions (discarded 5204 similar events)
[2023-03-19 01:31:12] [INFO ] Invariant cache hit.
[2023-03-19 01:31:13] [INFO ] Dead Transitions using invariants and state equation in 1840 ms found 0 transitions.
Starting structural reductions in LI_LTL mode, iteration 1 : 305/306 places, 7936/8064 transitions.
Finished structural reductions in LI_LTL mode , in 1 iterations and 9802 ms. Remains : 305/306 places, 7936/8064 transitions.
Running random walk in product with property : Szymanski-PT-b02-LTLFireability-04 automaton TGBA Formula[mat=[[{ cond=true, acceptance={0} source=0 dest: 0}], [{ cond=true, acceptance={} source=1 dest: 3}], [{ cond=(NOT p1), acceptance={} source=2 dest: 0}, { cond=p1, acceptance={} source=2 dest: 2}], [{ cond=(AND (NOT p0) (NOT p1)), acceptance={} source=3 dest: 0}, { cond=(AND (NOT p0) p1), acceptance={} source=3 dest: 2}, { cond=p0, acceptance={} source=3 dest: 3}]], initial=1, aps=[p1:(AND (GEQ s58 1) (GEQ s274 1)), p0:(OR (LT s16 1) (LT s275 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, sl-invariant], stateDesc=[null, null, null, null][false, false, false, false]]
Product exploration explored 100000 steps with 0 reset in 408 ms.
Product exploration explored 100000 steps with 0 reset in 464 ms.
Computed a total of 11 stabilizing places and 2304 stable transitions
Computed a total of 11 stabilizing places and 2304 stable transitions
Knowledge obtained : [(AND (NOT p1) p0), (X (NOT (AND (NOT p0) (NOT p1)))), (X (NOT (AND (NOT p0) p1))), (X p0), true, (X (X (NOT (AND (NOT p0) (NOT p1))))), (X (X (NOT p1))), (X (X (NOT (AND (NOT p0) p1)))), (X (X p0))]
False Knowledge obtained : []
Knowledge based reduction with 9 factoid took 329 ms. Reduced automaton from 4 states, 7 edges and 2 AP (stutter sensitive) to 4 states, 7 edges and 2 AP (stutter sensitive).
Stuttering acceptance computed with spot in 107 ms :[true, (AND (NOT p1) (NOT p0)), (NOT p1), (AND (NOT p1) (NOT p0))]
Incomplete random walk after 10000 steps, including 2 resets, run finished after 113 ms. (steps per millisecond=88 ) properties (out of 4) seen :0
Incomplete Best-First random walk after 10000 steps, including 2 resets, run finished after 31 ms. (steps per millisecond=322 ) 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
Incomplete Best-First random walk after 10000 steps, including 2 resets, run finished after 46 ms. (steps per millisecond=217 ) properties (out of 4) 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 4) seen :0
Interrupted probabilistic random walk after 119183 steps, run timeout after 3001 ms. (steps per millisecond=39 ) properties seen :{}
Probabilistic random walk after 119183 steps, saw 43482 distinct states, run finished after 3001 ms. (steps per millisecond=39 ) properties seen :0
Running SMT prover for 4 properties.
[2023-03-19 01:31:18] [INFO ] Flow matrix only has 2732 transitions (discarded 5204 similar events)
[2023-03-19 01:31:18] [INFO ] Invariant cache hit.
[2023-03-19 01:31:18] [INFO ] [Real]Absence check using 0 positive and 1 generalized place invariants in 3 ms returned sat
[2023-03-19 01:31:20] [INFO ] After 1511ms SMT Verify possible using all constraints in real domain returned unsat :1 sat :0 real:3
[2023-03-19 01:31:20] [INFO ] [Nat]Absence check using 0 positive and 1 generalized place invariants in 2 ms returned sat
[2023-03-19 01:31:25] [INFO ] After 5746ms SMT Verify possible using state equation in natural domain returned unsat :1 sat :3
[2023-03-19 01:31:25] [INFO ] State equation strengthened by 147 read => feed constraints.
[2023-03-19 01:31:45] [INFO ] After 19180ms SMT Verify possible using 147 Read/Feed constraints in natural domain returned unsat :1 sat :0
[2023-03-19 01:31:45] [INFO ] After 25011ms SMT Verify possible using all constraints in natural domain returned unsat :1 sat :0
Fused 4 Parikh solutions to 3 different solutions.
Parikh walk visited 0 properties in 11 ms.
Support contains 4 out of 305 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 305/305 places, 7936/7936 transitions.
Drop transitions removed 125 transitions
Reduce isomorphic transitions removed 125 transitions.
Iterating post reduction 0 with 125 rules applied. Total rules applied 125 place count 305 transition count 7811
Applied a total of 125 rules in 199 ms. Remains 305 /305 variables (removed 0) and now considering 7811/7936 (removed 125) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 199 ms. Remains : 305/305 places, 7811/7936 transitions.
Incomplete random walk after 10001 steps, including 2 resets, run finished after 110 ms. (steps per millisecond=90 ) 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 22 ms. (steps per millisecond=454 ) properties (out of 3) seen :0
Incomplete Best-First random walk after 10000 steps, including 2 resets, run finished after 114 ms. (steps per millisecond=87 ) properties (out of 3) seen :0
Interrupted probabilistic random walk after 130329 steps, run timeout after 3001 ms. (steps per millisecond=43 ) properties seen :{}
Probabilistic random walk after 130329 steps, saw 45585 distinct states, run finished after 3001 ms. (steps per millisecond=43 ) properties seen :0
Running SMT prover for 3 properties.
[2023-03-19 01:31:48] [INFO ] Flow matrix only has 2607 transitions (discarded 5204 similar events)
// Phase 1: matrix 2607 rows 305 cols
[2023-03-19 01:31:48] [INFO ] Computed 1 place invariants in 15 ms
[2023-03-19 01:31:48] [INFO ] [Real]Absence check using 0 positive and 1 generalized place invariants in 3 ms returned sat
[2023-03-19 01:31:50] [INFO ] After 1588ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:3
[2023-03-19 01:31:50] [INFO ] [Nat]Absence check using 0 positive and 1 generalized place invariants in 2 ms returned sat
[2023-03-19 01:31:53] [INFO ] After 3200ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :3
[2023-03-19 01:31:53] [INFO ] State equation strengthened by 147 read => feed constraints.
[2023-03-19 01:32:15] [INFO ] After 21744ms SMT Verify possible using 147 Read/Feed constraints in natural domain returned unsat :0 sat :1
[2023-03-19 01:32:15] [INFO ] After 21745ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
Attempting to minimize the solution found.
Minimization took 3 ms.
[2023-03-19 01:32:15] [INFO ] After 25019ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
Parikh walk visited 0 properties in 33 ms.
Support contains 4 out of 305 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 305/305 places, 7811/7811 transitions.
Applied a total of 0 rules in 181 ms. Remains 305 /305 variables (removed 0) and now considering 7811/7811 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 181 ms. Remains : 305/305 places, 7811/7811 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 305/305 places, 7811/7811 transitions.
Applied a total of 0 rules in 179 ms. Remains 305 /305 variables (removed 0) and now considering 7811/7811 (removed 0) transitions.
[2023-03-19 01:32:15] [INFO ] Flow matrix only has 2607 transitions (discarded 5204 similar events)
[2023-03-19 01:32:15] [INFO ] Invariant cache hit.
[2023-03-19 01:32:16] [INFO ] Implicit Places using invariants in 400 ms returned []
[2023-03-19 01:32:16] [INFO ] Flow matrix only has 2607 transitions (discarded 5204 similar events)
[2023-03-19 01:32:16] [INFO ] Invariant cache hit.
[2023-03-19 01:32:16] [INFO ] State equation strengthened by 147 read => feed constraints.
[2023-03-19 01:32:23] [INFO ] Implicit Places using invariants and state equation in 7212 ms returned []
Implicit Place search using SMT with State Equation took 7614 ms to find 0 implicit places.
[2023-03-19 01:32:23] [INFO ] Redundant transitions in 660 ms returned []
[2023-03-19 01:32:23] [INFO ] Flow matrix only has 2607 transitions (discarded 5204 similar events)
[2023-03-19 01:32:23] [INFO ] Invariant cache hit.
[2023-03-19 01:32:25] [INFO ] Dead Transitions using invariants and state equation in 1772 ms found 0 transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 10231 ms. Remains : 305/305 places, 7811/7811 transitions.
Graph (trivial) has 4872 edges and 305 vertex of which 35 / 305 are part of one of the 2 SCC in 0 ms
Free SCC test removed 33 places
Drop transitions removed 3744 transitions
Ensure Unique test removed 1697 transitions
Reduce isomorphic transitions removed 5441 transitions.
Drop transitions removed 320 transitions
Redundant transition composition rules discarded 320 transitions
Iterating global reduction 0 with 320 rules applied. Total rules applied 321 place count 272 transition count 2050
Free-agglomeration rule applied 1 times.
Iterating global reduction 0 with 1 rules applied. Total rules applied 322 place count 272 transition count 2049
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 0 with 1 rules applied. Total rules applied 323 place count 271 transition count 2049
Drop transitions removed 112 transitions
Redundant transition composition rules discarded 112 transitions
Iterating global reduction 1 with 112 rules applied. Total rules applied 435 place count 271 transition count 1937
Applied a total of 435 rules in 209 ms. Remains 271 /305 variables (removed 34) and now considering 1937/7811 (removed 5874) transitions.
Running SMT prover for 3 properties.
// Phase 1: matrix 1937 rows 271 cols
[2023-03-19 01:32:25] [INFO ] Computed 1 place invariants in 19 ms
[2023-03-19 01:32:25] [INFO ] [Real]Absence check using 0 positive and 1 generalized place invariants in 2 ms returned sat
[2023-03-19 01:32:26] [INFO ] After 598ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:3
[2023-03-19 01:32:26] [INFO ] [Nat]Absence check using 0 positive and 1 generalized place invariants in 2 ms returned sat
[2023-03-19 01:32:27] [INFO ] After 666ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :3
[2023-03-19 01:32:27] [INFO ] State equation strengthened by 480 read => feed constraints.
[2023-03-19 01:32:29] [INFO ] After 2133ms SMT Verify possible using 480 Read/Feed constraints in natural domain returned unsat :0 sat :3
[2023-03-19 01:32:32] [INFO ] After 5404ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :3
Attempting to minimize the solution found.
Minimization took 5350 ms.
[2023-03-19 01:32:37] [INFO ] After 11486ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :3
Found 1 invariant AP formulas.
Knowledge obtained : [(AND (NOT p1) p0), (X (NOT (AND (NOT p0) (NOT p1)))), (X (NOT (AND (NOT p0) p1))), (X p0), true, (X (X (NOT (AND (NOT p0) (NOT p1))))), (X (X (NOT p1))), (X (X (NOT (AND (NOT p0) p1)))), (X (X p0)), (G (NOT (AND p1 (NOT p0))))]
False Knowledge obtained : []
Knowledge based reduction with 10 factoid took 314 ms. Reduced automaton from 4 states, 7 edges and 2 AP (stutter sensitive) to 3 states, 4 edges and 1 AP (stutter sensitive).
Stuttering acceptance computed with spot in 67 ms :[true, (NOT p0), (NOT p0)]
Stuttering acceptance computed with spot in 61 ms :[true, (NOT p0), (NOT p0)]
Support contains 2 out of 305 places. Attempting structural reductions.
Property had overlarge support with respect to TGBA, discarding it for now.
Starting structural reductions in LTL mode, iteration 0 : 305/305 places, 7936/7936 transitions.
Applied a total of 0 rules in 34 ms. Remains 305 /305 variables (removed 0) and now considering 7936/7936 (removed 0) transitions.
[2023-03-19 01:32:38] [INFO ] Flow matrix only has 2732 transitions (discarded 5204 similar events)
// Phase 1: matrix 2732 rows 305 cols
[2023-03-19 01:32:38] [INFO ] Computed 1 place invariants in 25 ms
[2023-03-19 01:32:38] [INFO ] Implicit Places using invariants in 451 ms returned []
[2023-03-19 01:32:38] [INFO ] Flow matrix only has 2732 transitions (discarded 5204 similar events)
[2023-03-19 01:32:38] [INFO ] Invariant cache hit.
[2023-03-19 01:32:39] [INFO ] State equation strengthened by 147 read => feed constraints.
[2023-03-19 01:32:46] [INFO ] Implicit Places using invariants and state equation in 7186 ms returned []
Implicit Place search using SMT with State Equation took 7640 ms to find 0 implicit places.
[2023-03-19 01:32:46] [INFO ] Flow matrix only has 2732 transitions (discarded 5204 similar events)
[2023-03-19 01:32:46] [INFO ] Invariant cache hit.
[2023-03-19 01:32:48] [INFO ] Dead Transitions using invariants and state equation in 1883 ms found 0 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 9558 ms. Remains : 305/305 places, 7936/7936 transitions.
Computed a total of 11 stabilizing places and 2304 stable transitions
Computed a total of 11 stabilizing places and 2304 stable transitions
Knowledge obtained : [p0, (X p0), true, (X (X p0))]
False Knowledge obtained : []
Knowledge based reduction with 4 factoid took 155 ms. Reduced automaton from 3 states, 4 edges and 1 AP (stutter sensitive) to 3 states, 4 edges and 1 AP (stutter sensitive).
Stuttering acceptance computed with spot in 77 ms :[true, (NOT p0), (NOT p0)]
Incomplete random walk after 10001 steps, including 2 resets, run finished after 33 ms. (steps per millisecond=303 ) properties (out of 1) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 13 ms. (steps per millisecond=769 ) properties (out of 1) seen :0
Interrupted probabilistic random walk after 155667 steps, run timeout after 3001 ms. (steps per millisecond=51 ) properties seen :{}
Probabilistic random walk after 155667 steps, saw 53026 distinct states, run finished after 3003 ms. (steps per millisecond=51 ) properties seen :0
Running SMT prover for 1 properties.
[2023-03-19 01:32:51] [INFO ] Flow matrix only has 2732 transitions (discarded 5204 similar events)
[2023-03-19 01:32:51] [INFO ] Invariant cache hit.
[2023-03-19 01:32:51] [INFO ] [Real]Absence check using 0 positive and 1 generalized place invariants in 3 ms returned sat
[2023-03-19 01:32:52] [INFO ] After 1381ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
[2023-03-19 01:32:52] [INFO ] [Nat]Absence check using 0 positive and 1 generalized place invariants in 2 ms returned sat
[2023-03-19 01:32:55] [INFO ] After 2314ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
[2023-03-19 01:32:55] [INFO ] State equation strengthened by 147 read => feed constraints.
[2023-03-19 01:32:59] [INFO ] After 4730ms SMT Verify possible using 147 Read/Feed constraints in natural domain returned unsat :0 sat :1
[2023-03-19 01:33:08] [INFO ] After 13739ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :0
[2023-03-19 01:33:08] [INFO ] After 16123ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :0
Parikh walk visited 0 properties in 2 ms.
Support contains 2 out of 305 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 305/305 places, 7936/7936 transitions.
Drop transitions removed 126 transitions
Reduce isomorphic transitions removed 126 transitions.
Iterating post reduction 0 with 126 rules applied. Total rules applied 126 place count 305 transition count 7810
Applied a total of 126 rules in 185 ms. Remains 305 /305 variables (removed 0) and now considering 7810/7936 (removed 126) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 187 ms. Remains : 305/305 places, 7810/7936 transitions.
Incomplete random walk after 10001 steps, including 2 resets, run finished after 32 ms. (steps per millisecond=312 ) properties (out of 1) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 13 ms. (steps per millisecond=769 ) properties (out of 1) seen :0
Interrupted probabilistic random walk after 161411 steps, run timeout after 3001 ms. (steps per millisecond=53 ) properties seen :{}
Probabilistic random walk after 161411 steps, saw 54198 distinct states, run finished after 3002 ms. (steps per millisecond=53 ) properties seen :0
Running SMT prover for 1 properties.
[2023-03-19 01:33:12] [INFO ] Flow matrix only has 2606 transitions (discarded 5204 similar events)
// Phase 1: matrix 2606 rows 305 cols
[2023-03-19 01:33:12] [INFO ] Computed 1 place invariants in 17 ms
[2023-03-19 01:33:12] [INFO ] [Real]Absence check using 0 positive and 1 generalized place invariants in 3 ms returned sat
[2023-03-19 01:33:14] [INFO ] After 2094ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
[2023-03-19 01:33:14] [INFO ] [Nat]Absence check using 0 positive and 1 generalized place invariants in 2 ms returned sat
[2023-03-19 01:33:15] [INFO ] After 1121ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
[2023-03-19 01:33:15] [INFO ] State equation strengthened by 147 read => feed constraints.
[2023-03-19 01:33:18] [INFO ] After 2871ms SMT Verify possible using 147 Read/Feed constraints in natural domain returned unsat :0 sat :1
[2023-03-19 01:33:20] [INFO ] Deduced a trap composed of 138 places in 329 ms of which 0 ms to minimize.
[2023-03-19 01:33:20] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 456 ms
[2023-03-19 01:33:20] [INFO ] After 4843ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
Attempting to minimize the solution found.
Minimization took 614 ms.
[2023-03-19 01:33:20] [INFO ] After 6639ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
Parikh walk visited 0 properties in 9 ms.
Support contains 2 out of 305 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 305/305 places, 7810/7810 transitions.
Applied a total of 0 rules in 179 ms. Remains 305 /305 variables (removed 0) and now considering 7810/7810 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 179 ms. Remains : 305/305 places, 7810/7810 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 305/305 places, 7810/7810 transitions.
Applied a total of 0 rules in 178 ms. Remains 305 /305 variables (removed 0) and now considering 7810/7810 (removed 0) transitions.
[2023-03-19 01:33:21] [INFO ] Flow matrix only has 2606 transitions (discarded 5204 similar events)
[2023-03-19 01:33:21] [INFO ] Invariant cache hit.
[2023-03-19 01:33:21] [INFO ] Implicit Places using invariants in 396 ms returned []
[2023-03-19 01:33:21] [INFO ] Flow matrix only has 2606 transitions (discarded 5204 similar events)
[2023-03-19 01:33:21] [INFO ] Invariant cache hit.
[2023-03-19 01:33:22] [INFO ] State equation strengthened by 147 read => feed constraints.
[2023-03-19 01:33:28] [INFO ] Implicit Places using invariants and state equation in 7386 ms returned []
Implicit Place search using SMT with State Equation took 7783 ms to find 0 implicit places.
[2023-03-19 01:33:29] [INFO ] Redundant transitions in 624 ms returned []
[2023-03-19 01:33:29] [INFO ] Flow matrix only has 2606 transitions (discarded 5204 similar events)
[2023-03-19 01:33:29] [INFO ] Invariant cache hit.
[2023-03-19 01:33:31] [INFO ] Dead Transitions using invariants and state equation in 1927 ms found 0 transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 10520 ms. Remains : 305/305 places, 7810/7810 transitions.
Graph (trivial) has 5008 edges and 305 vertex of which 37 / 305 are part of one of the 2 SCC in 0 ms
Free SCC test removed 35 places
Drop transitions removed 4008 transitions
Ensure Unique test removed 1436 transitions
Reduce isomorphic transitions removed 5444 transitions.
Drop transitions removed 416 transitions
Redundant transition composition rules discarded 416 transitions
Iterating global reduction 0 with 416 rules applied. Total rules applied 417 place count 270 transition count 1950
Applied a total of 417 rules in 128 ms. Remains 270 /305 variables (removed 35) and now considering 1950/7810 (removed 5860) transitions.
Running SMT prover for 1 properties.
// Phase 1: matrix 1950 rows 270 cols
[2023-03-19 01:33:31] [INFO ] Computed 1 place invariants in 15 ms
[2023-03-19 01:33:31] [INFO ] [Real]Absence check using 0 positive and 1 generalized place invariants in 2 ms returned sat
[2023-03-19 01:33:32] [INFO ] After 640ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
[2023-03-19 01:33:32] [INFO ] [Nat]Absence check using 0 positive and 1 generalized place invariants in 2 ms returned sat
[2023-03-19 01:33:32] [INFO ] After 517ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
[2023-03-19 01:33:32] [INFO ] State equation strengthened by 504 read => feed constraints.
[2023-03-19 01:33:33] [INFO ] After 608ms SMT Verify possible using 504 Read/Feed constraints in natural domain returned unsat :0 sat :1
[2023-03-19 01:33:33] [INFO ] After 718ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
Attempting to minimize the solution found.
Minimization took 45 ms.
[2023-03-19 01:33:33] [INFO ] After 1341ms 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 115 ms. Reduced automaton from 3 states, 4 edges and 1 AP (stutter sensitive) to 3 states, 4 edges and 1 AP (stutter sensitive).
Stuttering acceptance computed with spot in 84 ms :[true, (NOT p0), (NOT p0)]
Stuttering acceptance computed with spot in 69 ms :[true, (NOT p0), (NOT p0)]
Stuttering acceptance computed with spot in 85 ms :[true, (NOT p0), (NOT p0)]
Product exploration explored 100000 steps with 2 reset in 394 ms.
Product exploration explored 100000 steps with 1 reset in 402 ms.
Applying partial POR strategy [true, false, true]
Stuttering acceptance computed with spot in 75 ms :[true, (NOT p0), (NOT p0)]
Support contains 2 out of 305 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 305/305 places, 7936/7936 transitions.
Applied a total of 0 rules in 179 ms. Remains 305 /305 variables (removed 0) and now considering 7936/7936 (removed 0) transitions.
[2023-03-19 01:33:35] [INFO ] Redundant transitions in 632 ms returned []
[2023-03-19 01:33:35] [INFO ] Flow matrix only has 2732 transitions (discarded 5204 similar events)
// Phase 1: matrix 2732 rows 305 cols
[2023-03-19 01:33:35] [INFO ] Computed 1 place invariants in 14 ms
[2023-03-19 01:33:37] [INFO ] Dead Transitions using invariants and state equation in 1866 ms found 0 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 2688 ms. Remains : 305/305 places, 7936/7936 transitions.
Support contains 2 out of 305 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 305/305 places, 7936/7936 transitions.
Applied a total of 0 rules in 29 ms. Remains 305 /305 variables (removed 0) and now considering 7936/7936 (removed 0) transitions.
[2023-03-19 01:33:37] [INFO ] Flow matrix only has 2732 transitions (discarded 5204 similar events)
[2023-03-19 01:33:37] [INFO ] Invariant cache hit.
[2023-03-19 01:33:38] [INFO ] Implicit Places using invariants in 401 ms returned []
[2023-03-19 01:33:38] [INFO ] Flow matrix only has 2732 transitions (discarded 5204 similar events)
[2023-03-19 01:33:38] [INFO ] Invariant cache hit.
[2023-03-19 01:33:38] [INFO ] State equation strengthened by 147 read => feed constraints.
[2023-03-19 01:33:46] [INFO ] Implicit Places using invariants and state equation in 8096 ms returned []
Implicit Place search using SMT with State Equation took 8498 ms to find 0 implicit places.
[2023-03-19 01:33:46] [INFO ] Flow matrix only has 2732 transitions (discarded 5204 similar events)
[2023-03-19 01:33:46] [INFO ] Invariant cache hit.
[2023-03-19 01:33:48] [INFO ] Dead Transitions using invariants and state equation in 1815 ms found 0 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 10342 ms. Remains : 305/305 places, 7936/7936 transitions.
Treatment of property Szymanski-PT-b02-LTLFireability-04 finished in 164322 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)))'
[2023-03-19 01:33:48] [INFO ] Flatten gal took : 194 ms
[2023-03-19 01:33:48] [INFO ] Export to MCC of 3 properties in file /home/mcc/execution/LTLFireability.sr.xml took 1 ms.
[2023-03-19 01:33:48] [INFO ] Export to PNML in file /home/mcc/execution/model.sr.pnml of net with 306 places, 8064 transitions and 32128 arcs took 43 ms.
Total runtime 833998 ms.
There are residual formulas that ITS could not solve within timeout
starting LoLA
BK_INPUT Szymanski-PT-b02
BK_EXAMINATION: LTLFireability
bin directory: /home/mcc/BenchKit/bin//../reducer/bin//../../lola/bin/
current directory: /home/mcc/execution/375
LTLFireability

FORMULA Szymanski-PT-b02-LTLFireability-06 FALSE TECHNIQUES COLLATERAL_PROCESSING EXPLICIT TOPOLOGICAL STATE_COMPRESSION STUBBORN_SETS USE_NUPN UNFOLDING_TO_PT

FORMULA Szymanski-PT-b02-LTLFireability-04 FALSE TECHNIQUES COLLATERAL_PROCESSING EXPLICIT TOPOLOGICAL STATE_COMPRESSION STUBBORN_SETS USE_NUPN UNFOLDING_TO_PT

FORMULA Szymanski-PT-b02-LTLFireability-02 FALSE TECHNIQUES COLLATERAL_PROCESSING EXPLICIT TOPOLOGICAL STATE_COMPRESSION STUBBORN_SETS USE_NUPN UNFOLDING_TO_PT

BK_STOP 1679190199652

--------------------
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//
++ ls /home/mcc/BenchKit/bin//../reducer/bin//../../itstools//itstools/plugins/fr.lip6.move.gal.application.pnmcc_1.0.0.202303021504.jar
++ perl -pe 's/.*\.//g'
+ VERSION=202303021504
+ echo 'Running Version 202303021504'
+ /home/mcc/BenchKit/bin//../reducer/bin//../../itstools//itstools/its-tools -pnfolder /home/mcc/execution -examination LTLFireability -timeout 360 -rebuildPNML
lola: MEM LIMIT 32
lola: MEM LIMIT 5
lola: NET
lola: input: PNML file (--pnmlnet)
lola: reading net from /home/mcc/execution/375/model.pnml
lola: reading pnml
lola: PNML file contains place/transition net
lola: finished parsing
lola: closed net file /home/mcc/execution/375/model.pnml
lola: Reading formula.
lola: Using XML format (--xmlformula)
lola: reading XML formula
lola: reading formula from /home/mcc/execution/375/LTLFireability.xml
lola: Created skeleton in 1.000000 secs.
lola: Created skeleton in 0.000000 secs.
lola: Rule S: 0 transitions removed,0 places removed
lola: Created skeleton in 1.000000 secs.
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lola: FINISHED task # 1 (type EXCL) for Szymanski-PT-b02-LTLFireability-02
lola: result : false
lola: markings : 187077
lola: fired transitions : 764446
lola: time used : 548.000000
lola: memory pages used : 2
lola: Portfolio finished: no open formulas

FINAL RESULTS
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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="Szymanski-PT-b02"
export BK_EXAMINATION="LTLFireability"
export BK_TOOL="lolaxred"
export BK_RESULT_DIR="/tmp/BK_RESULTS/OUTPUTS"
export BK_TIME_CONFINEMENT="3600"
export BK_MEMORY_CONFINEMENT="16384"
export BK_BIN_PATH="/home/mcc/BenchKit/bin/"

# this is specific to your benchmark or test

export BIN_DIR="$HOME/BenchKit/bin"

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

# this is for BenchKit: explicit launching of the test
echo "====================================================================="
echo " Generated by BenchKit 2-5348"
echo " Executing tool lolaxred"
echo " Input is Szymanski-PT-b02, 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 r487-tall-167912703100452"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/Szymanski-PT-b02.tgz
mv Szymanski-PT-b02 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 ;