fond
Model Checking Contest 2023
13th edition, Paris, France, April 26, 2023 (at TOOLympics II)
Execution of r329-tall-167889201500044
Last Updated
May 14, 2023

About the Execution of LTSMin+red for RERS17pb113-PT-6

Execution Summary
Max Memory
Used (MB)
Time wait (ms) CPU Usage (ms) I/O Wait (ms) Computed Result Execution
Status
5071.884 3069419.00 3411768.00 7294.40 ??T?F?F???F?F?FT normal

Execution Chart

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

Trace from the execution

Formatting '/data/fkordon/mcc2023-input.r329-tall-167889201500044.qcow2', fmt=qcow2 size=4294967296 backing_file=/data/fkordon/mcc2023-input.qcow2 cluster_size=65536 lazy_refcounts=off refcount_bits=16
Waiting for the VM to be ready (probing ssh)
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=====================================================================
Generated by BenchKit 2-5348
Executing tool ltsminxred
Input is RERS17pb113-PT-6, examination is LTLFireability
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r329-tall-167889201500044
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 15M
-rw-r--r-- 1 mcc users 7.0K Feb 26 18:20 CTLCardinality.txt
-rw-r--r-- 1 mcc users 76K Feb 26 18:20 CTLCardinality.xml
-rw-r--r-- 1 mcc users 6.2K Feb 26 18:17 CTLFireability.txt
-rw-r--r-- 1 mcc users 44K Feb 26 18:17 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K Jan 29 11:41 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 6.4K Jan 29 11:41 GenericPropertiesVerdict.xml
-rw-r--r-- 1 mcc users 3.7K Feb 25 16:37 LTLCardinality.txt
-rw-r--r-- 1 mcc users 26K Feb 25 16:37 LTLCardinality.xml
-rw-r--r-- 1 mcc users 3.0K Feb 25 16:38 LTLFireability.txt
-rw-r--r-- 1 mcc users 18K Feb 25 16:38 LTLFireability.xml
-rw-r--r-- 1 mcc users 6.8K Feb 26 18:25 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 63K Feb 26 18:25 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 11K Feb 26 18:23 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 65K Feb 26 18:23 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.6K Feb 25 16:38 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.6K Feb 25 16:38 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 Mar 5 18:23 equiv_col
-rw-r--r-- 1 mcc users 2 Mar 5 18:23 instance
-rw-r--r-- 1 mcc users 6 Mar 5 18:23 iscolored
-rw-r--r-- 1 mcc users 15M Mar 5 18:23 model.pnml

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

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

The expected result is a vector of booleans
BOOL_VECTOR

here is the order used to build the result vector(from text file)
FORMULA_NAME RERS17pb113-PT-6-LTLFireability-00
FORMULA_NAME RERS17pb113-PT-6-LTLFireability-01
FORMULA_NAME RERS17pb113-PT-6-LTLFireability-02
FORMULA_NAME RERS17pb113-PT-6-LTLFireability-03
FORMULA_NAME RERS17pb113-PT-6-LTLFireability-04
FORMULA_NAME RERS17pb113-PT-6-LTLFireability-05
FORMULA_NAME RERS17pb113-PT-6-LTLFireability-06
FORMULA_NAME RERS17pb113-PT-6-LTLFireability-07
FORMULA_NAME RERS17pb113-PT-6-LTLFireability-08
FORMULA_NAME RERS17pb113-PT-6-LTLFireability-09
FORMULA_NAME RERS17pb113-PT-6-LTLFireability-10
FORMULA_NAME RERS17pb113-PT-6-LTLFireability-11
FORMULA_NAME RERS17pb113-PT-6-LTLFireability-12
FORMULA_NAME RERS17pb113-PT-6-LTLFireability-13
FORMULA_NAME RERS17pb113-PT-6-LTLFireability-14
FORMULA_NAME RERS17pb113-PT-6-LTLFireability-15

=== Now, execution of the tool begins

BK_START 1678996223618

bash -c /home/mcc/BenchKit/BenchKit_head.sh 2> STDERR ; echo ; echo -n "BK_STOP " ; date -u +%s%3N
Invoking MCC driver with
BK_TOOL=ltsminxred
BK_EXAMINATION=LTLFireability
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=RERS17pb113-PT-6
Applying reductions before tool ltsmin
Invoking reducer
Running Version 202303021504
[2023-03-16 19:50:25] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, LTLFireability, -timeout, 360, -rebuildPNML]
[2023-03-16 19:50:25] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2023-03-16 19:50:26] [INFO ] Load time of PNML (sax parser for PT used): 654 ms
[2023-03-16 19:50:26] [INFO ] Transformed 639 places.
[2023-03-16 19:50:26] [INFO ] Transformed 31353 transitions.
[2023-03-16 19:50:26] [INFO ] Parsed PT model containing 639 places and 31353 transitions and 125418 arcs in 858 ms.
Parsed 16 properties from file /home/mcc/execution/LTLFireability.xml in 17 ms.
Working with output stream class java.io.PrintStream
Initial state reduction rules removed 2 formulas.
FORMULA RERS17pb113-PT-6-LTLFireability-14 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA RERS17pb113-PT-6-LTLFireability-15 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Support contains 57 out of 639 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 639/639 places, 31353/31353 transitions.
Ensure Unique test removed 12 places
Iterating post reduction 0 with 12 rules applied. Total rules applied 12 place count 627 transition count 31353
Applied a total of 12 rules in 374 ms. Remains 627 /639 variables (removed 12) and now considering 31353/31353 (removed 0) transitions.
[2023-03-16 19:50:27] [INFO ] Flow matrix only has 18326 transitions (discarded 13027 similar events)
// Phase 1: matrix 18326 rows 627 cols
[2023-03-16 19:50:27] [INFO ] Computed 13 place invariants in 177 ms
[2023-03-16 19:50:30] [INFO ] Implicit Places using invariants in 3487 ms returned []
Implicit Place search using SMT only with invariants took 3528 ms to find 0 implicit places.
[2023-03-16 19:50:30] [INFO ] Flow matrix only has 18326 transitions (discarded 13027 similar events)
[2023-03-16 19:50:30] [INFO ] Invariant cache hit.
[2023-03-16 19:50:40] [INFO ] Dead Transitions using invariants and state equation in 9915 ms found 0 transitions.
Starting structural reductions in LTL mode, iteration 1 : 627/639 places, 31353/31353 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 13846 ms. Remains : 627/639 places, 31353/31353 transitions.
Support contains 57 out of 627 places after structural reductions.
[2023-03-16 19:50:42] [INFO ] Flatten gal took : 1361 ms
[2023-03-16 19:50:43] [INFO ] Flatten gal took : 998 ms
[2023-03-16 19:50:45] [INFO ] Input system was already deterministic with 31353 transitions.
Incomplete random walk after 10000 steps, including 2 resets, run finished after 1000 ms. (steps per millisecond=10 ) properties (out of 32) seen :7
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 12 ms. (steps per millisecond=83 ) properties (out of 25) 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 25) 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 25) 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 25) 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 25) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 24 ms. (steps per millisecond=41 ) properties (out of 25) 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 25) 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 25) 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 25) 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 25) 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 25) 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 25) 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 25) 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 25) 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 25) 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 25) 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 25) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 19 ms. (steps per millisecond=52 ) properties (out of 25) 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 25) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 16 ms. (steps per millisecond=62 ) properties (out of 25) 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 25) 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 25) 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 25) 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 25) 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 25) seen :0
Running SMT prover for 25 properties.
[2023-03-16 19:50:47] [INFO ] Flow matrix only has 18326 transitions (discarded 13027 similar events)
[2023-03-16 19:50:47] [INFO ] Invariant cache hit.
[2023-03-16 19:50:48] [INFO ] [Real]Absence check using 13 positive place invariants in 6 ms returned sat
[2023-03-16 19:51:11] [INFO ] After 23810ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:25
[2023-03-16 19:51:12] [INFO ] [Nat]Absence check using 13 positive place invariants in 8 ms returned sat
[2023-03-16 19:51:34] [INFO ] After 22302ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :25
[2023-03-16 19:51:34] [INFO ] State equation strengthened by 829 read => feed constraints.
[2023-03-16 19:51:36] [INFO ] After 1819ms SMT Verify possible using 829 Read/Feed constraints in natural domain returned unsat :0 sat :24
[2023-03-16 19:51:36] [INFO ] After 1821ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :24
Attempting to minimize the solution found.
Minimization took 12 ms.
[2023-03-16 19:51:36] [INFO ] After 25056ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :24
Parikh walk visited 0 properties in 164 ms.
Support contains 45 out of 627 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 627/627 places, 31353/31353 transitions.
Applied a total of 0 rules in 287 ms. Remains 627 /627 variables (removed 0) and now considering 31353/31353 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 289 ms. Remains : 627/627 places, 31353/31353 transitions.
Incomplete random walk after 10000 steps, including 2 resets, run finished after 505 ms. (steps per millisecond=19 ) properties (out of 25) seen :1
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 11 ms. (steps per millisecond=91 ) properties (out of 24) 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 24) 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 24) 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 24) 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 24) 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 24) 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 24) 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 24) 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 24) 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 24) 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 24) 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 24) 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 24) 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 24) 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 24) 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 24) 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 24) 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 24) 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 24) 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 24) 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 24) 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 24) 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 24) 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 24) seen :0
Interrupted probabilistic random walk after 23943 steps, run timeout after 3001 ms. (steps per millisecond=7 ) properties seen :{}
Probabilistic random walk after 23943 steps, saw 21650 distinct states, run finished after 3003 ms. (steps per millisecond=7 ) properties seen :0
Running SMT prover for 24 properties.
[2023-03-16 19:51:40] [INFO ] Flow matrix only has 18326 transitions (discarded 13027 similar events)
[2023-03-16 19:51:40] [INFO ] Invariant cache hit.
[2023-03-16 19:51:41] [INFO ] [Real]Absence check using 13 positive place invariants in 8 ms returned sat
[2023-03-16 19:52:06] [INFO ] After 24510ms SMT Verify possible using state equation in real domain returned unsat :0 sat :2 real:21
[2023-03-16 19:52:06] [INFO ] State equation strengthened by 829 read => feed constraints.
java.lang.RuntimeException: SMT solver raised an error when submitting script. Raised (error "Failed to assert expression: java.io.IOException: Stream close...
at fr.lip6.move.gal.structural.smt.SMTUtils.execAndCheckResult(SMTUtils.java:251)
at fr.lip6.move.gal.structural.smt.DeadlockTester.verifyPossible(DeadlockTester.java:642)
at fr.lip6.move.gal.structural.smt.DeadlockTester.testUnreachableWithSMTIncremental(DeadlockTester.java:339)
at fr.lip6.move.gal.structural.smt.DeadlockTester.testUnreachableWithSMT(DeadlockTester.java:223)
at fr.lip6.move.gal.application.solver.ReachabilitySolver.applyReductions(ReachabilitySolver.java:95)
at fr.lip6.move.gal.application.solver.logic.AtomicReducerSR.checkAtomicPropositionsLogic(AtomicReducerSR.java:105)
at fr.lip6.move.gal.application.solver.logic.AtomicReducerSR.strongReductions(AtomicReducerSR.java:44)
at fr.lip6.move.gal.application.solver.ltl.LTLPropertySolver.preSolveForLogic(LTLPropertySolver.java:176)
at fr.lip6.move.gal.application.solver.ltl.LTLPropertySolver.runStructuralLTLCheck(LTLPropertySolver.java:71)
at fr.lip6.move.gal.application.Application.startNoEx(Application.java:762)
at fr.lip6.move.gal.application.Application.start(Application.java:178)
at fr.lip6.move.gal.itscl.application.Application.start(Application.java:45)
at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:203)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:136)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:104)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:402)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:255)
at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:77)
at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.base/java.lang.reflect.Method.invoke(Method.java:568)
at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:659)
at org.eclipse.equinox.launcher.Main.basicRun(Main.java:596)
at org.eclipse.equinox.launcher.Main.run(Main.java:1467)
at org.eclipse.equinox.launcher.Main.main(Main.java:1440)
[2023-03-16 19:52:06] [WARNING] SMT solver failed with error :SMT solver raised an error when submitting script.... while checking expressions.
[2023-03-16 19:52:06] [INFO ] After 25412ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0
Fused 24 Parikh solutions to 1 different solutions.
Parikh walk visited 0 properties in 0 ms.
Support contains 43 out of 627 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 627/627 places, 31353/31353 transitions.
Applied a total of 0 rules in 201 ms. Remains 627 /627 variables (removed 0) and now considering 31353/31353 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 203 ms. Remains : 627/627 places, 31353/31353 transitions.
Incomplete random walk after 10000 steps, including 2 resets, run finished after 727 ms. (steps per millisecond=13 ) properties (out of 24) seen :2
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 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 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 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 1000 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 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 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 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 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 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 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
Interrupted probabilistic random walk after 23664 steps, run timeout after 3001 ms. (steps per millisecond=7 ) properties seen :{}
Probabilistic random walk after 23664 steps, saw 21410 distinct states, run finished after 3001 ms. (steps per millisecond=7 ) properties seen :0
Running SMT prover for 22 properties.
[2023-03-16 19:52:10] [INFO ] Flow matrix only has 18326 transitions (discarded 13027 similar events)
[2023-03-16 19:52:10] [INFO ] Invariant cache hit.
[2023-03-16 19:52:11] [INFO ] [Real]Absence check using 13 positive place invariants in 6 ms returned sat
[2023-03-16 19:52:35] [INFO ] After 24255ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:22
[2023-03-16 19:52:35] [INFO ] [Nat]Absence check using 13 positive place invariants in 7 ms returned sat
[2023-03-16 19:52:58] [INFO ] After 23063ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :22
[2023-03-16 19:52:58] [INFO ] State equation strengthened by 829 read => feed constraints.
java.lang.RuntimeException: SMT solver raised an error when submitting script. Raised (error "Failed to assert expression: java.io.IOException: Broken pipe ...
at fr.lip6.move.gal.structural.smt.SMTUtils.execAndCheckResult(SMTUtils.java:251)
at fr.lip6.move.gal.structural.smt.DeadlockTester.checkResults(DeadlockTester.java:797)
at fr.lip6.move.gal.structural.smt.DeadlockTester.verifyPossible(DeadlockTester.java:644)
at fr.lip6.move.gal.structural.smt.DeadlockTester.testUnreachableWithSMTIncremental(DeadlockTester.java:350)
at fr.lip6.move.gal.structural.smt.DeadlockTester.testUnreachableWithSMT(DeadlockTester.java:223)
at fr.lip6.move.gal.application.solver.ReachabilitySolver.applyReductions(ReachabilitySolver.java:95)
at fr.lip6.move.gal.application.solver.logic.AtomicReducerSR.checkAtomicPropositionsLogic(AtomicReducerSR.java:105)
at fr.lip6.move.gal.application.solver.logic.AtomicReducerSR.strongReductions(AtomicReducerSR.java:44)
at fr.lip6.move.gal.application.solver.ltl.LTLPropertySolver.preSolveForLogic(LTLPropertySolver.java:176)
at fr.lip6.move.gal.application.solver.ltl.LTLPropertySolver.runStructuralLTLCheck(LTLPropertySolver.java:71)
at fr.lip6.move.gal.application.Application.startNoEx(Application.java:762)
at fr.lip6.move.gal.application.Application.start(Application.java:178)
at fr.lip6.move.gal.itscl.application.Application.start(Application.java:45)
at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:203)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:136)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:104)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:402)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:255)
at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:77)
at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.base/java.lang.reflect.Method.invoke(Method.java:568)
at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:659)
at org.eclipse.equinox.launcher.Main.basicRun(Main.java:596)
at org.eclipse.equinox.launcher.Main.run(Main.java:1467)
at org.eclipse.equinox.launcher.Main.main(Main.java:1440)
[2023-03-16 19:53:00] [WARNING] SMT solver failed with error :SMT solver raised an error when submitting script.... while checking expressions.
[2023-03-16 19:53:00] [INFO ] After 25029ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :0 real:22
Parikh walk visited 0 properties in 107 ms.
Support contains 39 out of 627 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 627/627 places, 31353/31353 transitions.
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 0 with 1 rules applied. Total rules applied 1 place count 626 transition count 31352
Applied a total of 1 rules in 421 ms. Remains 626 /627 variables (removed 1) and now considering 31352/31353 (removed 1) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 421 ms. Remains : 626/627 places, 31352/31353 transitions.
Computed a total of 1 stabilizing places and 1 stable transitions
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202303021504/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(G((F(p0)&&F(G((X(p2)||p1))))))'
Support contains 4 out of 627 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 627/627 places, 31353/31353 transitions.
Applied a total of 0 rules in 84 ms. Remains 627 /627 variables (removed 0) and now considering 31353/31353 (removed 0) transitions.
[2023-03-16 19:53:01] [INFO ] Flow matrix only has 18326 transitions (discarded 13027 similar events)
[2023-03-16 19:53:01] [INFO ] Invariant cache hit.
[2023-03-16 19:53:03] [INFO ] Implicit Places using invariants in 2011 ms returned []
Implicit Place search using SMT only with invariants took 2013 ms to find 0 implicit places.
[2023-03-16 19:53:03] [INFO ] Flow matrix only has 18326 transitions (discarded 13027 similar events)
[2023-03-16 19:53:03] [INFO ] Invariant cache hit.
[2023-03-16 19:53:11] [INFO ] Dead Transitions using invariants and state equation in 8560 ms found 0 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 10663 ms. Remains : 627/627 places, 31353/31353 transitions.
Stuttering acceptance computed with spot in 381 ms :[(OR (NOT p0) (AND (NOT p1) (NOT p2))), (NOT p0), (AND (NOT p1) (NOT p2)), (AND (NOT p1) (NOT p2))]
Running random walk in product with property : RERS17pb113-PT-6-LTLFireability-00 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: 3}], [{ cond=(NOT p0), acceptance={0} source=1 dest: 1}], [{ cond=true, acceptance={} source=2 dest: 2}, { cond=(NOT p1), acceptance={0} source=2 dest: 3}], [{ cond=(NOT p2), acceptance={} source=3 dest: 2}, { cond=(AND (NOT p1) (NOT p2)), acceptance={0} source=3 dest: 3}]], initial=0, aps=[p0:(OR (LT s54 1) (LT s377 1)), p1:(OR (LT s391 1) (LT s535 1)), p2:(OR (LT s391 1) (LT s535 1))], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, no-univ-branch, stutter-sensitive], stateDesc=[null, null, null, null][false, false, false, false]]
Product exploration explored 100000 steps with 6 reset in 3863 ms.
Product exploration explored 100000 steps with 8 reset in 3698 ms.
Computed a total of 1 stabilizing places and 1 stable transitions
Computed a total of 1 stabilizing places and 1 stable transitions
Knowledge obtained : [(AND p0 p1 p2), (X (NOT (AND (NOT p1) (NOT p2)))), (X p0), (X p2), true, (X (X p1)), (X (X (NOT (AND (NOT p1) (NOT p2))))), (X (X p0)), (X (X p2))]
False Knowledge obtained : []
Knowledge based reduction with 9 factoid took 437 ms. Reduced automaton from 4 states, 8 edges and 3 AP (stutter sensitive) to 4 states, 8 edges and 3 AP (stutter sensitive).
Stuttering acceptance computed with spot in 157 ms :[(OR (NOT p0) (AND (NOT p1) (NOT p2))), (NOT p0), (AND (NOT p1) (NOT p2)), (AND (NOT p1) (NOT p2))]
Incomplete random walk after 10000 steps, including 2 resets, run finished after 413 ms. (steps per millisecond=24 ) properties (out of 4) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 37 ms. (steps per millisecond=270 ) properties (out of 4) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 33 ms. (steps per millisecond=303 ) properties (out of 4) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 55 ms. (steps per millisecond=181 ) properties (out of 4) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 34 ms. (steps per millisecond=294 ) properties (out of 4) seen :0
Interrupted probabilistic random walk after 24356 steps, run timeout after 3001 ms. (steps per millisecond=8 ) properties seen :{}
Probabilistic random walk after 24356 steps, saw 22021 distinct states, run finished after 3001 ms. (steps per millisecond=8 ) properties seen :0
Running SMT prover for 4 properties.
[2023-03-16 19:53:24] [INFO ] Flow matrix only has 18326 transitions (discarded 13027 similar events)
[2023-03-16 19:53:24] [INFO ] Invariant cache hit.
[2023-03-16 19:53:24] [INFO ] [Real]Absence check using 13 positive place invariants in 7 ms returned sat
[2023-03-16 19:53:41] [INFO ] After 17431ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:4
[2023-03-16 19:53:41] [INFO ] [Nat]Absence check using 13 positive place invariants in 8 ms returned sat
[2023-03-16 19:53:58] [INFO ] After 16947ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :4
[2023-03-16 19:53:58] [INFO ] State equation strengthened by 829 read => feed constraints.
[2023-03-16 19:54:06] [INFO ] After 7823ms SMT Verify possible using 829 Read/Feed constraints in natural domain returned unsat :0 sat :3
[2023-03-16 19:54:06] [INFO ] After 7827ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :3
Attempting to minimize the solution found.
Minimization took 11 ms.
[2023-03-16 19:54:06] [INFO ] After 25069ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :3
Parikh walk visited 0 properties in 19 ms.
Support contains 4 out of 627 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 627/627 places, 31353/31353 transitions.
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 0 with 1 rules applied. Total rules applied 1 place count 626 transition count 31352
Applied a total of 1 rules in 509 ms. Remains 626 /627 variables (removed 1) and now considering 31352/31353 (removed 1) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 510 ms. Remains : 626/627 places, 31352/31353 transitions.
Incomplete random walk after 10000 steps, including 2 resets, run finished after 567 ms. (steps per millisecond=17 ) properties (out of 4) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 37 ms. (steps per millisecond=270 ) properties (out of 4) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 73 ms. (steps per millisecond=137 ) properties (out of 4) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 72 ms. (steps per millisecond=138 ) properties (out of 4) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 39 ms. (steps per millisecond=256 ) properties (out of 4) seen :0
Interrupted probabilistic random walk after 23818 steps, run timeout after 3001 ms. (steps per millisecond=7 ) properties seen :{}
Probabilistic random walk after 23818 steps, saw 21554 distinct states, run finished after 3002 ms. (steps per millisecond=7 ) properties seen :0
Running SMT prover for 4 properties.
[2023-03-16 19:54:11] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
// Phase 1: matrix 18325 rows 626 cols
[2023-03-16 19:54:11] [INFO ] Computed 13 place invariants in 74 ms
[2023-03-16 19:54:11] [INFO ] [Real]Absence check using 13 positive place invariants in 7 ms returned sat
[2023-03-16 19:54:26] [INFO ] After 15701ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:4
[2023-03-16 19:54:27] [INFO ] [Nat]Absence check using 13 positive place invariants in 6 ms returned sat
[2023-03-16 19:54:43] [INFO ] After 16751ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :4
[2023-03-16 19:54:43] [INFO ] State equation strengthened by 268 read => feed constraints.
[2023-03-16 19:54:50] [INFO ] After 6611ms SMT Verify possible using 268 Read/Feed constraints in natural domain returned unsat :0 sat :4
[2023-03-16 19:54:51] [INFO ] Deduced a trap composed of 40 places in 401 ms of which 3 ms to minimize.
[2023-03-16 19:54:51] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 1182 ms
[2023-03-16 19:54:52] [INFO ] After 8115ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :4
Attempting to minimize the solution found.
Minimization took 5 ms.
[2023-03-16 19:54:52] [INFO ] After 25127ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :4
Parikh walk visited 0 properties in 11 ms.
Support contains 4 out of 626 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 626/626 places, 31352/31352 transitions.
Applied a total of 0 rules in 165 ms. Remains 626 /626 variables (removed 0) and now considering 31352/31352 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 165 ms. Remains : 626/626 places, 31352/31352 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 626/626 places, 31352/31352 transitions.
Applied a total of 0 rules in 171 ms. Remains 626 /626 variables (removed 0) and now considering 31352/31352 (removed 0) transitions.
[2023-03-16 19:54:52] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
[2023-03-16 19:54:52] [INFO ] Invariant cache hit.
[2023-03-16 19:54:54] [INFO ] Implicit Places using invariants in 1819 ms returned []
Implicit Place search using SMT only with invariants took 1820 ms to find 0 implicit places.
[2023-03-16 19:54:54] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
[2023-03-16 19:54:54] [INFO ] Invariant cache hit.
[2023-03-16 19:55:02] [INFO ] Dead Transitions using invariants and state equation in 8622 ms found 0 transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 10619 ms. Remains : 626/626 places, 31352/31352 transitions.
Knowledge obtained : [(AND p0 p1 p2), (X (NOT (AND (NOT p1) (NOT p2)))), (X p0), (X p2), true, (X (X p1)), (X (X (NOT (AND (NOT p1) (NOT p2))))), (X (X p0)), (X (X p2))]
False Knowledge obtained : []
Knowledge based reduction with 9 factoid took 406 ms. Reduced automaton from 4 states, 8 edges and 3 AP (stutter sensitive) to 4 states, 8 edges and 3 AP (stutter sensitive).
Stuttering acceptance computed with spot in 175 ms :[(OR (NOT p0) (AND (NOT p1) (NOT p2))), (NOT p0), (AND (NOT p1) (NOT p2)), (AND (NOT p1) (NOT p2))]
Stuttering acceptance computed with spot in 162 ms :[(OR (NOT p0) (AND (NOT p1) (NOT p2))), (NOT p0), (AND (NOT p1) (NOT p2)), (AND (NOT p1) (NOT p2))]
Support contains 4 out of 627 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 627/627 places, 31353/31353 transitions.
Applied a total of 0 rules in 76 ms. Remains 627 /627 variables (removed 0) and now considering 31353/31353 (removed 0) transitions.
[2023-03-16 19:55:03] [INFO ] Flow matrix only has 18326 transitions (discarded 13027 similar events)
// Phase 1: matrix 18326 rows 627 cols
[2023-03-16 19:55:03] [INFO ] Computed 13 place invariants in 49 ms
[2023-03-16 19:55:05] [INFO ] Implicit Places using invariants in 1880 ms returned []
Implicit Place search using SMT only with invariants took 1883 ms to find 0 implicit places.
[2023-03-16 19:55:05] [INFO ] Flow matrix only has 18326 transitions (discarded 13027 similar events)
[2023-03-16 19:55:05] [INFO ] Invariant cache hit.
[2023-03-16 19:55:14] [INFO ] Dead Transitions using invariants and state equation in 8626 ms found 0 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 10590 ms. Remains : 627/627 places, 31353/31353 transitions.
Computed a total of 1 stabilizing places and 1 stable transitions
Computed a total of 1 stabilizing places and 1 stable transitions
Knowledge obtained : [(AND p0 p1 p2), (X (NOT (AND (NOT p1) (NOT p2)))), (X p0), (X p2), true, (X (X p1)), (X (X (NOT (AND (NOT p1) (NOT p2))))), (X (X p0)), (X (X p2))]
False Knowledge obtained : []
Knowledge based reduction with 9 factoid took 434 ms. Reduced automaton from 4 states, 8 edges and 3 AP (stutter sensitive) to 4 states, 8 edges and 3 AP (stutter sensitive).
Stuttering acceptance computed with spot in 177 ms :[(OR (NOT p0) (AND (NOT p1) (NOT p2))), (NOT p0), (AND (NOT p1) (NOT p2)), (AND (NOT p1) (NOT p2))]
Incomplete random walk after 10000 steps, including 2 resets, run finished after 406 ms. (steps per millisecond=24 ) properties (out of 4) 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 4) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 30 ms. (steps per millisecond=333 ) properties (out of 4) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 33 ms. (steps per millisecond=303 ) properties (out of 4) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 32 ms. (steps per millisecond=312 ) properties (out of 4) seen :0
Interrupted probabilistic random walk after 24201 steps, run timeout after 3001 ms. (steps per millisecond=8 ) properties seen :{}
Probabilistic random walk after 24201 steps, saw 21881 distinct states, run finished after 3001 ms. (steps per millisecond=8 ) properties seen :0
Running SMT prover for 4 properties.
[2023-03-16 19:55:18] [INFO ] Flow matrix only has 18326 transitions (discarded 13027 similar events)
[2023-03-16 19:55:18] [INFO ] Invariant cache hit.
[2023-03-16 19:55:18] [INFO ] [Real]Absence check using 13 positive place invariants in 12 ms returned sat
[2023-03-16 19:55:38] [INFO ] After 20034ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:4
[2023-03-16 19:55:38] [INFO ] [Nat]Absence check using 13 positive place invariants in 6 ms returned sat
[2023-03-16 19:55:57] [INFO ] After 18720ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :4
[2023-03-16 19:55:57] [INFO ] State equation strengthened by 829 read => feed constraints.
[2023-03-16 19:56:03] [INFO ] After 6046ms SMT Verify possible using 829 Read/Feed constraints in natural domain returned unsat :0 sat :3
[2023-03-16 19:56:03] [INFO ] After 6050ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :3
Attempting to minimize the solution found.
Minimization took 5 ms.
[2023-03-16 19:56:03] [INFO ] After 25037ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :3
Parikh walk visited 0 properties in 14 ms.
Support contains 4 out of 627 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 627/627 places, 31353/31353 transitions.
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 0 with 1 rules applied. Total rules applied 1 place count 626 transition count 31352
Applied a total of 1 rules in 321 ms. Remains 626 /627 variables (removed 1) and now considering 31352/31353 (removed 1) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 323 ms. Remains : 626/627 places, 31352/31353 transitions.
Incomplete random walk after 10000 steps, including 2 resets, run finished after 389 ms. (steps per millisecond=25 ) properties (out of 4) seen :0
Incomplete Best-First random walk after 10000 steps, including 2 resets, run finished after 29 ms. (steps per millisecond=344 ) properties (out of 4) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 35 ms. (steps per millisecond=285 ) properties (out of 4) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 33 ms. (steps per millisecond=303 ) properties (out of 4) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 32 ms. (steps per millisecond=312 ) properties (out of 4) seen :0
Interrupted probabilistic random walk after 24312 steps, run timeout after 3001 ms. (steps per millisecond=8 ) properties seen :{}
Probabilistic random walk after 24312 steps, saw 21994 distinct states, run finished after 3002 ms. (steps per millisecond=8 ) properties seen :0
Running SMT prover for 4 properties.
[2023-03-16 19:56:07] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
// Phase 1: matrix 18325 rows 626 cols
[2023-03-16 19:56:07] [INFO ] Computed 13 place invariants in 44 ms
[2023-03-16 19:56:07] [INFO ] [Real]Absence check using 13 positive place invariants in 7 ms returned sat
[2023-03-16 19:56:23] [INFO ] After 15990ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:4
[2023-03-16 19:56:23] [INFO ] [Nat]Absence check using 13 positive place invariants in 6 ms returned sat
[2023-03-16 19:56:39] [INFO ] After 16054ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :4
[2023-03-16 19:56:40] [INFO ] State equation strengthened by 268 read => feed constraints.
[2023-03-16 19:56:47] [INFO ] After 7133ms SMT Verify possible using 268 Read/Feed constraints in natural domain returned unsat :0 sat :4
[2023-03-16 19:56:47] [INFO ] Deduced a trap composed of 40 places in 380 ms of which 1 ms to minimize.
[2023-03-16 19:56:48] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 1194 ms
[2023-03-16 19:56:48] [INFO ] After 8738ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :3
Attempting to minimize the solution found.
Minimization took 9 ms.
[2023-03-16 19:56:48] [INFO ] After 25043ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :3
Parikh walk visited 0 properties in 18 ms.
Support contains 4 out of 626 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 626/626 places, 31352/31352 transitions.
Applied a total of 0 rules in 184 ms. Remains 626 /626 variables (removed 0) and now considering 31352/31352 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 184 ms. Remains : 626/626 places, 31352/31352 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 626/626 places, 31352/31352 transitions.
Applied a total of 0 rules in 193 ms. Remains 626 /626 variables (removed 0) and now considering 31352/31352 (removed 0) transitions.
[2023-03-16 19:56:49] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
[2023-03-16 19:56:49] [INFO ] Invariant cache hit.
[2023-03-16 19:56:51] [INFO ] Implicit Places using invariants in 1870 ms returned []
Implicit Place search using SMT only with invariants took 1872 ms to find 0 implicit places.
[2023-03-16 19:56:51] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
[2023-03-16 19:56:51] [INFO ] Invariant cache hit.
[2023-03-16 19:57:00] [INFO ] Dead Transitions using invariants and state equation in 9019 ms found 0 transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 11097 ms. Remains : 626/626 places, 31352/31352 transitions.
Knowledge obtained : [(AND p0 p1 p2), (X (NOT (AND (NOT p1) (NOT p2)))), (X p0), (X p2), true, (X (X p1)), (X (X (NOT (AND (NOT p1) (NOT p2))))), (X (X p0)), (X (X p2))]
False Knowledge obtained : []
Knowledge based reduction with 9 factoid took 404 ms. Reduced automaton from 4 states, 8 edges and 3 AP (stutter sensitive) to 4 states, 8 edges and 3 AP (stutter sensitive).
Stuttering acceptance computed with spot in 135 ms :[(OR (NOT p0) (AND (NOT p1) (NOT p2))), (NOT p0), (AND (NOT p1) (NOT p2)), (AND (NOT p1) (NOT p2))]
Stuttering acceptance computed with spot in 145 ms :[(OR (NOT p0) (AND (NOT p1) (NOT p2))), (NOT p0), (AND (NOT p1) (NOT p2)), (AND (NOT p1) (NOT p2))]
Stuttering acceptance computed with spot in 144 ms :[(OR (NOT p0) (AND (NOT p1) (NOT p2))), (NOT p0), (AND (NOT p1) (NOT p2)), (AND (NOT p1) (NOT p2))]
Product exploration explored 100000 steps with 4 reset in 3207 ms.
Product exploration explored 100000 steps with 5 reset in 3301 ms.
Applying partial POR strategy [false, true, false, false]
Stuttering acceptance computed with spot in 244 ms :[(OR (NOT p0) (AND (NOT p1) (NOT p2))), (NOT p0), (AND (NOT p1) (NOT p2)), (AND (NOT p1) (NOT p2))]
Support contains 4 out of 627 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 627/627 places, 31353/31353 transitions.
Applied a total of 0 rules in 395 ms. Remains 627 /627 variables (removed 0) and now considering 31353/31353 (removed 0) transitions.
[2023-03-16 19:57:08] [INFO ] Flow matrix only has 18326 transitions (discarded 13027 similar events)
// Phase 1: matrix 18326 rows 627 cols
[2023-03-16 19:57:08] [INFO ] Computed 13 place invariants in 49 ms
[2023-03-16 19:57:17] [INFO ] Dead Transitions using invariants and state equation in 9046 ms found 0 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 9455 ms. Remains : 627/627 places, 31353/31353 transitions.
Support contains 4 out of 627 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 627/627 places, 31353/31353 transitions.
Applied a total of 0 rules in 72 ms. Remains 627 /627 variables (removed 0) and now considering 31353/31353 (removed 0) transitions.
[2023-03-16 19:57:17] [INFO ] Flow matrix only has 18326 transitions (discarded 13027 similar events)
[2023-03-16 19:57:17] [INFO ] Invariant cache hit.
[2023-03-16 19:57:19] [INFO ] Implicit Places using invariants in 1897 ms returned []
Implicit Place search using SMT only with invariants took 1911 ms to find 0 implicit places.
[2023-03-16 19:57:19] [INFO ] Flow matrix only has 18326 transitions (discarded 13027 similar events)
[2023-03-16 19:57:19] [INFO ] Invariant cache hit.
[2023-03-16 19:57:28] [INFO ] Dead Transitions using invariants and state equation in 9092 ms found 0 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 11087 ms. Remains : 627/627 places, 31353/31353 transitions.
Treatment of property RERS17pb113-PT-6-LTLFireability-00 finished in 268812 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)||p1) U ((X(G(p2)) U p0)||F(p3))))'
Support contains 8 out of 627 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 627/627 places, 31353/31353 transitions.
Applied a total of 0 rules in 72 ms. Remains 627 /627 variables (removed 0) and now considering 31353/31353 (removed 0) transitions.
[2023-03-16 19:57:29] [INFO ] Flow matrix only has 18326 transitions (discarded 13027 similar events)
[2023-03-16 19:57:29] [INFO ] Invariant cache hit.
[2023-03-16 19:57:31] [INFO ] Implicit Places using invariants in 1811 ms returned []
Implicit Place search using SMT only with invariants took 1822 ms to find 0 implicit places.
[2023-03-16 19:57:31] [INFO ] Flow matrix only has 18326 transitions (discarded 13027 similar events)
[2023-03-16 19:57:31] [INFO ] Invariant cache hit.
[2023-03-16 19:57:40] [INFO ] Dead Transitions using invariants and state equation in 9120 ms found 0 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 11038 ms. Remains : 627/627 places, 31353/31353 transitions.
Stuttering acceptance computed with spot in 205 ms :[(AND (NOT p3) (NOT p2)), (AND (NOT p0) (NOT p3)), (AND (NOT p0) (NOT p3)), (NOT p3), (OR (AND (NOT p2) (NOT p3)) (AND (NOT p0) (NOT p3)))]
Running random walk in product with property : RERS17pb113-PT-6-LTLFireability-01 automaton TGBA Formula[mat=[[{ cond=(AND (NOT p3) p2), acceptance={} source=0 dest: 0}, { cond=(AND (NOT p3) (NOT p2)), acceptance={} source=0 dest: 3}], [{ cond=(AND (NOT p0) (NOT p3) p1), acceptance={0} source=1 dest: 1}, { cond=(AND (NOT p0) (NOT p3) (NOT p1)), acceptance={0} source=1 dest: 2}], [{ cond=(AND (NOT p0) (NOT p3) (NOT p2)), acceptance={} source=2 dest: 3}, { cond=(AND (NOT p0) (NOT p3) p2), acceptance={} source=2 dest: 4}], [{ cond=(NOT p3), acceptance={0} source=3 dest: 3}], [{ cond=(AND p0 (NOT p3) p2), acceptance={0} source=4 dest: 0}, { cond=(AND (NOT p3) (NOT p2)), acceptance={0} source=4 dest: 3}, { cond=(AND (NOT p0) (NOT p3) p2), acceptance={0} source=4 dest: 4}]], initial=1, aps=[p3:(AND (GEQ s171 1) (GEQ s591 1)), p2:(AND (GEQ s132 1) (GEQ s134 1)), p0:(AND (GEQ s250 1) (GEQ s462 1)), p1:(AND (GEQ s456 1) (GEQ s519 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 0 reset in 3525 ms.
Product exploration explored 100000 steps with 0 reset in 3561 ms.
Computed a total of 1 stabilizing places and 1 stable transitions
Computed a total of 1 stabilizing places and 1 stable transitions
Knowledge obtained : [(AND (NOT p3) (NOT p2) (NOT p0) (NOT p1)), (X (NOT (AND (NOT p0) (NOT p3) p1))), (X (AND (NOT p0) (NOT p3) (NOT p2))), (X (AND (NOT p0) (NOT p3) (NOT p1))), (X (NOT (AND (NOT p0) (NOT p3) p2))), (X (X (NOT (AND (NOT p0) (NOT p3) p1)))), (X (X (AND (NOT p3) (NOT p2)))), (X (X (AND (NOT p0) (NOT p3) (NOT p2)))), (X (X (AND (NOT p0) (NOT p3) (NOT p1)))), (X (X (NOT (AND (NOT p0) (NOT p3) p2)))), (X (X (NOT p3))), (X (X (NOT (AND p0 (NOT p3) p2))))]
False Knowledge obtained : []
Knowledge sufficient to adopt a stutter insensitive property.
Knowledge based reduction with 12 factoid took 514 ms. Reduced automaton from 5 states, 10 edges and 4 AP (stutter sensitive) to 2 states, 2 edges and 1 AP (stutter sensitive).
Stuttering acceptance computed with spot in 102 ms :[(NOT p3), (NOT p3)]
Incomplete random walk after 10000 steps, including 2 resets, run finished after 238 ms. (steps per millisecond=42 ) properties (out of 1) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 23 ms. (steps per millisecond=434 ) properties (out of 1) seen :0
Interrupted probabilistic random walk after 25505 steps, run timeout after 3001 ms. (steps per millisecond=8 ) properties seen :{}
Probabilistic random walk after 25505 steps, saw 23045 distinct states, run finished after 3001 ms. (steps per millisecond=8 ) properties seen :0
Running SMT prover for 1 properties.
[2023-03-16 19:57:52] [INFO ] Flow matrix only has 18326 transitions (discarded 13027 similar events)
[2023-03-16 19:57:52] [INFO ] Invariant cache hit.
[2023-03-16 19:57:52] [INFO ] [Real]Absence check using 13 positive place invariants in 6 ms returned sat
[2023-03-16 19:58:14] [INFO ] After 22461ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
[2023-03-16 19:58:14] [INFO ] [Nat]Absence check using 13 positive place invariants in 7 ms returned sat
[2023-03-16 19:58:37] [INFO ] After 22872ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
[2023-03-16 19:58:37] [INFO ] State equation strengthened by 829 read => feed constraints.
[2023-03-16 19:58:39] [INFO ] After 1929ms SMT Verify possible using 829 Read/Feed constraints in natural domain returned unsat :0 sat :0
[2023-03-16 19:58:39] [INFO ] After 25028ms 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 627 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 627/627 places, 31353/31353 transitions.
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 0 with 1 rules applied. Total rules applied 1 place count 626 transition count 31352
Applied a total of 1 rules in 289 ms. Remains 626 /627 variables (removed 1) and now considering 31352/31353 (removed 1) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 289 ms. Remains : 626/627 places, 31352/31353 transitions.
Incomplete random walk after 10000 steps, including 2 resets, run finished after 245 ms. (steps per millisecond=40 ) properties (out of 1) seen :0
Incomplete Best-First random walk after 10000 steps, including 2 resets, run finished after 60 ms. (steps per millisecond=166 ) properties (out of 1) seen :0
Interrupted probabilistic random walk after 25331 steps, run timeout after 3001 ms. (steps per millisecond=8 ) properties seen :{}
Probabilistic random walk after 25331 steps, saw 22900 distinct states, run finished after 3001 ms. (steps per millisecond=8 ) properties seen :0
Running SMT prover for 1 properties.
[2023-03-16 19:58:43] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
// Phase 1: matrix 18325 rows 626 cols
[2023-03-16 19:58:43] [INFO ] Computed 13 place invariants in 47 ms
[2023-03-16 19:58:43] [INFO ] [Real]Absence check using 13 positive place invariants in 5 ms returned sat
[2023-03-16 19:58:58] [INFO ] After 14464ms SMT Verify possible using state equation in real domain returned unsat :0 sat :1
[2023-03-16 19:58:58] [INFO ] State equation strengthened by 268 read => feed constraints.
[2023-03-16 19:59:01] [INFO ] After 3359ms SMT Verify possible using 268 Read/Feed constraints in real domain returned unsat :0 sat :0 real:1
[2023-03-16 19:59:01] [INFO ] After 18018ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
[2023-03-16 19:59:01] [INFO ] [Nat]Absence check using 13 positive place invariants in 5 ms returned sat
[2023-03-16 19:59:15] [INFO ] After 14066ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
[2023-03-16 19:59:19] [INFO ] After 4133ms SMT Verify possible using 268 Read/Feed constraints in natural domain returned unsat :0 sat :1
[2023-03-16 19:59:21] [INFO ] Deduced a trap composed of 65 places in 663 ms of which 1 ms to minimize.
[2023-03-16 19:59:21] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 1481 ms
[2023-03-16 19:59:22] [INFO ] After 6249ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
Attempting to minimize the solution found.
Minimization took 1050 ms.
[2023-03-16 19:59:23] [INFO ] After 21470ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
Parikh walk visited 0 properties in 4 ms.
Support contains 2 out of 626 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 626/626 places, 31352/31352 transitions.
Applied a total of 0 rules in 153 ms. Remains 626 /626 variables (removed 0) and now considering 31352/31352 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 153 ms. Remains : 626/626 places, 31352/31352 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 626/626 places, 31352/31352 transitions.
Applied a total of 0 rules in 148 ms. Remains 626 /626 variables (removed 0) and now considering 31352/31352 (removed 0) transitions.
[2023-03-16 19:59:23] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
[2023-03-16 19:59:23] [INFO ] Invariant cache hit.
[2023-03-16 19:59:25] [INFO ] Implicit Places using invariants in 1794 ms returned []
Implicit Place search using SMT only with invariants took 1807 ms to find 0 implicit places.
[2023-03-16 19:59:25] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
[2023-03-16 19:59:25] [INFO ] Invariant cache hit.
[2023-03-16 19:59:34] [INFO ] Dead Transitions using invariants and state equation in 9112 ms found 0 transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 11081 ms. Remains : 626/626 places, 31352/31352 transitions.
Knowledge obtained : [(AND (NOT p3) (NOT p2) (NOT p0) (NOT p1)), (X (NOT (AND (NOT p0) (NOT p3) p1))), (X (AND (NOT p0) (NOT p3) (NOT p2))), (X (AND (NOT p0) (NOT p3) (NOT p1))), (X (NOT (AND (NOT p0) (NOT p3) p2))), (X (X (NOT (AND (NOT p0) (NOT p3) p1)))), (X (X (AND (NOT p3) (NOT p2)))), (X (X (AND (NOT p0) (NOT p3) (NOT p2)))), (X (X (AND (NOT p0) (NOT p3) (NOT p1)))), (X (X (NOT (AND (NOT p0) (NOT p3) p2)))), (X (X (NOT p3))), (X (X (NOT (AND p0 (NOT p3) p2))))]
False Knowledge obtained : []
Knowledge based reduction with 12 factoid took 400 ms. Reduced automaton from 2 states, 2 edges and 1 AP (stutter sensitive) to 1 states, 1 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 33 ms :[(NOT p3)]
Stuttering acceptance computed with spot in 32 ms :[(NOT p3)]
[2023-03-16 19:59:34] [INFO ] Flow matrix only has 18326 transitions (discarded 13027 similar events)
// Phase 1: matrix 18326 rows 627 cols
[2023-03-16 19:59:35] [INFO ] Computed 13 place invariants in 40 ms
Could not prove EG (NOT p3)
Support contains 2 out of 627 places. Attempting structural reductions.
Property had overlarge support with respect to TGBA, discarding it for now.
Starting structural reductions in SI_LTL mode, iteration 0 : 627/627 places, 31353/31353 transitions.
Reduce places removed 1 places and 1 transitions.
Applied a total of 0 rules in 164 ms. Remains 626 /627 variables (removed 1) and now considering 31352/31353 (removed 1) transitions.
[2023-03-16 19:59:50] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
// Phase 1: matrix 18325 rows 626 cols
[2023-03-16 19:59:50] [INFO ] Computed 13 place invariants in 44 ms
[2023-03-16 19:59:52] [INFO ] Implicit Places using invariants in 1806 ms returned []
Implicit Place search using SMT only with invariants took 1819 ms to find 0 implicit places.
[2023-03-16 19:59:52] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
[2023-03-16 19:59:52] [INFO ] Invariant cache hit.
[2023-03-16 20:00:01] [INFO ] Dead Transitions using invariants and state equation in 9016 ms found 0 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 11012 ms. Remains : 626/627 places, 31352/31353 transitions.
Computed a total of 0 stabilizing places and 0 stable transitions
Computed a total of 0 stabilizing places and 0 stable transitions
Knowledge obtained : [(NOT p3), (X (NOT p3)), (X (X (NOT p3)))]
False Knowledge obtained : []
Knowledge based reduction with 3 factoid took 104 ms. Reduced automaton from 1 states, 1 edges and 1 AP (stutter insensitive) to 1 states, 1 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 25 ms :[(NOT p3)]
Incomplete random walk after 10000 steps, including 2 resets, run finished after 264 ms. (steps per millisecond=37 ) properties (out of 1) 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 1) seen :0
Interrupted probabilistic random walk after 25482 steps, run timeout after 3001 ms. (steps per millisecond=8 ) properties seen :{}
Probabilistic random walk after 25482 steps, saw 23037 distinct states, run finished after 3001 ms. (steps per millisecond=8 ) properties seen :0
Running SMT prover for 1 properties.
[2023-03-16 20:00:04] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
[2023-03-16 20:00:04] [INFO ] Invariant cache hit.
[2023-03-16 20:00:04] [INFO ] [Real]Absence check using 13 positive place invariants in 5 ms returned sat
[2023-03-16 20:00:19] [INFO ] After 14885ms SMT Verify possible using state equation in real domain returned unsat :0 sat :1
[2023-03-16 20:00:19] [INFO ] State equation strengthened by 268 read => feed constraints.
[2023-03-16 20:00:22] [INFO ] After 2972ms SMT Verify possible using 268 Read/Feed constraints in real domain returned unsat :0 sat :0 real:1
[2023-03-16 20:00:22] [INFO ] After 18052ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
[2023-03-16 20:00:22] [INFO ] [Nat]Absence check using 13 positive place invariants in 5 ms returned sat
[2023-03-16 20:00:36] [INFO ] After 14073ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
[2023-03-16 20:00:40] [INFO ] After 3784ms SMT Verify possible using 268 Read/Feed constraints in natural domain returned unsat :0 sat :1
[2023-03-16 20:00:41] [INFO ] Deduced a trap composed of 65 places in 480 ms of which 0 ms to minimize.
[2023-03-16 20:00:42] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 1290 ms
[2023-03-16 20:00:42] [INFO ] After 5495ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
Attempting to minimize the solution found.
Minimization took 948 ms.
[2023-03-16 20:00:43] [INFO ] After 20603ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
Parikh walk visited 0 properties in 4 ms.
Support contains 2 out of 626 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 626/626 places, 31352/31352 transitions.
Applied a total of 0 rules in 150 ms. Remains 626 /626 variables (removed 0) and now considering 31352/31352 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 150 ms. Remains : 626/626 places, 31352/31352 transitions.
Finished random walk after 4927 steps, including 1 resets, run visited all 1 properties in 163 ms. (steps per millisecond=30 )
Knowledge obtained : [(NOT p3), (X (NOT p3)), (X (X (NOT p3)))]
False Knowledge obtained : [(F p3)]
Knowledge based reduction with 3 factoid took 106 ms. Reduced automaton from 1 states, 1 edges and 1 AP (stutter insensitive) to 1 states, 1 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 36 ms :[(NOT p3)]
Stuttering acceptance computed with spot in 34 ms :[(NOT p3)]
[2023-03-16 20:00:43] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
[2023-03-16 20:00:44] [INFO ] Invariant cache hit.
Could not prove EG (NOT p3)
Stuttering acceptance computed with spot in 28 ms :[(NOT p3)]
Product exploration explored 100000 steps with 4 reset in 2985 ms.
Product exploration explored 100000 steps with 2 reset in 3066 ms.
Support contains 2 out of 626 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 626/626 places, 31352/31352 transitions.
Applied a total of 0 rules in 147 ms. Remains 626 /626 variables (removed 0) and now considering 31352/31352 (removed 0) transitions.
[2023-03-16 20:01:05] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
[2023-03-16 20:01:05] [INFO ] Invariant cache hit.
[2023-03-16 20:01:07] [INFO ] Implicit Places using invariants in 1747 ms returned []
Implicit Place search using SMT only with invariants took 1770 ms to find 0 implicit places.
[2023-03-16 20:01:07] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
[2023-03-16 20:01:07] [INFO ] Invariant cache hit.
[2023-03-16 20:01:16] [INFO ] Dead Transitions using invariants and state equation in 8945 ms found 0 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 10865 ms. Remains : 626/626 places, 31352/31352 transitions.
Treatment of property RERS17pb113-PT-6-LTLFireability-01 finished in 227176 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(F(p1)) U !p1))||p0)))'
Support contains 2 out of 627 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 627/627 places, 31353/31353 transitions.
Applied a total of 0 rules in 68 ms. Remains 627 /627 variables (removed 0) and now considering 31353/31353 (removed 0) transitions.
[2023-03-16 20:01:17] [INFO ] Flow matrix only has 18326 transitions (discarded 13027 similar events)
// Phase 1: matrix 18326 rows 627 cols
[2023-03-16 20:01:17] [INFO ] Computed 13 place invariants in 56 ms
[2023-03-16 20:01:18] [INFO ] Implicit Places using invariants in 1797 ms returned []
Implicit Place search using SMT only with invariants took 1816 ms to find 0 implicit places.
[2023-03-16 20:01:18] [INFO ] Flow matrix only has 18326 transitions (discarded 13027 similar events)
[2023-03-16 20:01:18] [INFO ] Invariant cache hit.
[2023-03-16 20:01:27] [INFO ] Dead Transitions using invariants and state equation in 8967 ms found 0 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 10853 ms. Remains : 627/627 places, 31353/31353 transitions.
Stuttering acceptance computed with spot in 194 ms :[(AND (NOT p0) p1), (AND (NOT p0) p1), (NOT p1), p1, p1, (NOT p1)]
Running random walk in product with property : RERS17pb113-PT-6-LTLFireability-02 automaton TGBA Formula[mat=[[{ cond=true, acceptance={} source=0 dest: 1}], [{ cond=(AND (NOT p0) p1), acceptance={} source=1 dest: 2}, { cond=(AND (NOT p0) p1), acceptance={} source=1 dest: 3}, { cond=(NOT p0), acceptance={} source=1 dest: 4}], [{ cond=true, acceptance={} source=2 dest: 2}, { cond=(NOT p1), acceptance={} source=2 dest: 5}], [{ cond=p1, acceptance={0} source=3 dest: 2}, { cond=p1, acceptance={0} source=3 dest: 3}], [{ cond=p1, acceptance={} source=4 dest: 2}, { cond=p1, acceptance={} source=4 dest: 3}, { cond=true, acceptance={} source=4 dest: 4}], [{ cond=(NOT p1), acceptance={0} source=5 dest: 5}]], initial=0, aps=[p0:(OR (LT s194 1) (LT s315 1)), p1:(AND (GEQ s194 1) (GEQ s315 1))], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, no-univ-branch, stutter-sensitive, very-weak, weak, inherently-weak], stateDesc=[null, null, null, null, null, null][false, false, false, false, false, false]]
Product exploration explored 100000 steps with 50000 reset in 4373 ms.
Product exploration explored 100000 steps with 50000 reset in 3988 ms.
Computed a total of 1 stabilizing places and 1 stable transitions
Computed a total of 1 stabilizing places and 1 stable transitions
Knowledge obtained : [(AND p0 (NOT p1)), (X p0), (X (NOT (AND (NOT p0) p1))), true, (X (X (NOT p1)))]
False Knowledge obtained : []
Property proved to be true thanks to knowledge :(X p0)
Knowledge based reduction with 5 factoid took 89 ms. Reduced automaton from 6 states, 12 edges and 2 AP (stutter sensitive) to 1 states, 0 edges and 0 AP (stutter insensitive).
FORMULA RERS17pb113-PT-6-LTLFireability-02 TRUE TECHNIQUES KNOWLEDGE
Treatment of property RERS17pb113-PT-6-LTLFireability-02 finished in 19793 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202303021504/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(F(G(p0)))'
Support contains 2 out of 627 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 627/627 places, 31353/31353 transitions.
Reduce places removed 1 places and 1 transitions.
Applied a total of 0 rules in 156 ms. Remains 626 /627 variables (removed 1) and now considering 31352/31353 (removed 1) transitions.
[2023-03-16 20:01:37] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
// Phase 1: matrix 18325 rows 626 cols
[2023-03-16 20:01:37] [INFO ] Computed 13 place invariants in 44 ms
[2023-03-16 20:01:38] [INFO ] Implicit Places using invariants in 1805 ms returned []
Implicit Place search using SMT only with invariants took 1818 ms to find 0 implicit places.
[2023-03-16 20:01:38] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
[2023-03-16 20:01:38] [INFO ] Invariant cache hit.
[2023-03-16 20:01:47] [INFO ] Dead Transitions using invariants and state equation in 8869 ms found 0 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 10855 ms. Remains : 626/627 places, 31352/31353 transitions.
Stuttering acceptance computed with spot in 32 ms :[(NOT p0)]
Running random walk in product with property : RERS17pb113-PT-6-LTLFireability-03 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 s511 1) (LT s625 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 3137 ms.
Product exploration explored 100000 steps with 0 reset in 3266 ms.
Computed a total of 0 stabilizing places and 0 stable transitions
Computed a total of 0 stabilizing places and 0 stable transitions
Knowledge obtained : [p0, (X p0), (X (X p0))]
False Knowledge obtained : []
Knowledge based reduction with 3 factoid took 150 ms. Reduced automaton from 1 states, 2 edges and 1 AP (stutter insensitive) to 1 states, 2 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 35 ms :[(NOT p0)]
Finished random walk after 917 steps, including 0 resets, run visited all 1 properties in 22 ms. (steps per millisecond=41 )
Knowledge obtained : [p0, (X p0), (X (X p0))]
False Knowledge obtained : [(F (NOT p0))]
Knowledge based reduction with 3 factoid took 103 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 30 ms :[(NOT p0)]
Stuttering acceptance computed with spot in 31 ms :[(NOT p0)]
Support contains 2 out of 626 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 626/626 places, 31352/31352 transitions.
Applied a total of 0 rules in 151 ms. Remains 626 /626 variables (removed 0) and now considering 31352/31352 (removed 0) transitions.
[2023-03-16 20:01:54] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
[2023-03-16 20:01:54] [INFO ] Invariant cache hit.
[2023-03-16 20:01:56] [INFO ] Implicit Places using invariants in 1880 ms returned []
Implicit Place search using SMT only with invariants took 1891 ms to find 0 implicit places.
[2023-03-16 20:01:56] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
[2023-03-16 20:01:56] [INFO ] Invariant cache hit.
[2023-03-16 20:02:05] [INFO ] Dead Transitions using invariants and state equation in 8753 ms found 0 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 10799 ms. Remains : 626/626 places, 31352/31352 transitions.
Computed a total of 0 stabilizing places and 0 stable transitions
Computed a total of 0 stabilizing places and 0 stable transitions
Knowledge obtained : [p0, (X p0), (X (X p0))]
False Knowledge obtained : []
Knowledge based reduction with 3 factoid took 101 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 38 ms :[(NOT p0)]
Finished random walk after 1844 steps, including 0 resets, run visited all 1 properties in 26 ms. (steps per millisecond=70 )
Knowledge obtained : [p0, (X p0), (X (X p0))]
False Knowledge obtained : [(F (NOT p0))]
Knowledge based reduction with 3 factoid took 127 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 26 ms :[(NOT p0)]
Stuttering acceptance computed with spot in 25 ms :[(NOT p0)]
Stuttering acceptance computed with spot in 37 ms :[(NOT p0)]
Product exploration explored 100000 steps with 0 reset in 3081 ms.
Product exploration explored 100000 steps with 0 reset in 3224 ms.
Support contains 2 out of 626 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 626/626 places, 31352/31352 transitions.
Applied a total of 0 rules in 150 ms. Remains 626 /626 variables (removed 0) and now considering 31352/31352 (removed 0) transitions.
[2023-03-16 20:02:12] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
[2023-03-16 20:02:12] [INFO ] Invariant cache hit.
[2023-03-16 20:02:14] [INFO ] Implicit Places using invariants in 1776 ms returned []
Implicit Place search using SMT only with invariants took 1790 ms to find 0 implicit places.
[2023-03-16 20:02:14] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
[2023-03-16 20:02:14] [INFO ] Invariant cache hit.
[2023-03-16 20:02:23] [INFO ] Dead Transitions using invariants and state equation in 8971 ms found 0 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 10913 ms. Remains : 626/626 places, 31352/31352 transitions.
Treatment of property RERS17pb113-PT-6-LTLFireability-03 finished in 47552 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(p1)&&p0)))'
Support contains 4 out of 627 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 627/627 places, 31353/31353 transitions.
Applied a total of 0 rules in 68 ms. Remains 627 /627 variables (removed 0) and now considering 31353/31353 (removed 0) transitions.
[2023-03-16 20:02:24] [INFO ] Flow matrix only has 18326 transitions (discarded 13027 similar events)
// Phase 1: matrix 18326 rows 627 cols
[2023-03-16 20:02:24] [INFO ] Computed 13 place invariants in 45 ms
[2023-03-16 20:02:26] [INFO ] Implicit Places using invariants in 1842 ms returned []
Implicit Place search using SMT only with invariants took 1843 ms to find 0 implicit places.
[2023-03-16 20:02:26] [INFO ] Flow matrix only has 18326 transitions (discarded 13027 similar events)
[2023-03-16 20:02:26] [INFO ] Invariant cache hit.
[2023-03-16 20:02:35] [INFO ] Dead Transitions using invariants and state equation in 8893 ms found 0 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 10824 ms. Remains : 627/627 places, 31353/31353 transitions.
Stuttering acceptance computed with spot in 116 ms :[(NOT p1), (OR (NOT p0) (NOT p1)), (OR (NOT p0) (NOT p1)), true]
Running random walk in product with property : RERS17pb113-PT-6-LTLFireability-04 automaton TGBA Formula[mat=[[{ cond=(NOT p1), acceptance={0} source=0 dest: 0}], [{ cond=(AND p0 (NOT p1)), acceptance={} source=1 dest: 0}, { cond=(NOT p0), acceptance={} source=1 dest: 3}], [{ cond=true, acceptance={} source=2 dest: 1}], [{ cond=true, acceptance={0} source=3 dest: 3}]], initial=2, aps=[p1:(AND (GEQ s299 1) (GEQ s625 1)), p0:(AND (GEQ s328 1) (GEQ s374 1))], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, deterministic, no-univ-branch, unambiguous, semi-deterministic, stutter-sensitive, very-weak, weak, inherently-weak], stateDesc=[null, null, null, null][false, false, false, false]]
Entered a terminal (fully accepting) state of product in 1 steps with 0 reset in 1 ms.
FORMULA RERS17pb113-PT-6-LTLFireability-04 FALSE TECHNIQUES STUTTER_TEST
Treatment of property RERS17pb113-PT-6-LTLFireability-04 finished in 11035 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(G(F(X((!X(G(p0)) U p1)))))||p0)))'
Support contains 4 out of 627 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 627/627 places, 31353/31353 transitions.
Reduce places removed 1 places and 1 transitions.
Applied a total of 0 rules in 168 ms. Remains 626 /627 variables (removed 1) and now considering 31352/31353 (removed 1) transitions.
[2023-03-16 20:02:35] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
// Phase 1: matrix 18325 rows 626 cols
[2023-03-16 20:02:35] [INFO ] Computed 13 place invariants in 44 ms
[2023-03-16 20:02:37] [INFO ] Implicit Places using invariants in 1803 ms returned []
Implicit Place search using SMT only with invariants took 1813 ms to find 0 implicit places.
[2023-03-16 20:02:37] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
[2023-03-16 20:02:37] [INFO ] Invariant cache hit.
[2023-03-16 20:02:46] [INFO ] Dead Transitions using invariants and state equation in 9300 ms found 0 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 11283 ms. Remains : 626/627 places, 31352/31353 transitions.
Stuttering acceptance computed with spot in 67 ms :[(AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1))]
Running random walk in product with property : RERS17pb113-PT-6-LTLFireability-05 automaton TGBA Formula[mat=[[{ cond=(NOT p0), acceptance={} source=0 dest: 0}, { cond=(AND (NOT p1) (NOT p0)), acceptance={} source=0 dest: 1}], [{ cond=(AND (NOT p1) (NOT p0)), acceptance={0} source=1 dest: 1}]], initial=0, aps=[p0:(AND (GEQ s161 1) (GEQ s383 1)), p1:(AND (GEQ s49 1) (GEQ s108 1))], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, no-univ-branch, stutter-invariant], stateDesc=[null, null][true, true]]
Product exploration explored 100000 steps with 0 reset in 3319 ms.
Product exploration explored 100000 steps with 0 reset in 3217 ms.
Computed a total of 0 stabilizing places and 0 stable transitions
Computed a total of 0 stabilizing places and 0 stable transitions
Knowledge obtained : [(AND (NOT p0) (NOT p1)), (X (AND (NOT p1) (NOT p0))), (X (NOT p0)), (X (X (AND (NOT p1) (NOT p0)))), (X (X (NOT p0)))]
False Knowledge obtained : []
Knowledge based reduction with 5 factoid took 176 ms. Reduced automaton from 2 states, 3 edges and 2 AP (stutter insensitive) to 2 states, 3 edges and 2 AP (stutter insensitive).
Stuttering acceptance computed with spot in 55 ms :[(AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1))]
Incomplete random walk after 10000 steps, including 2 resets, run finished after 314 ms. (steps per millisecond=31 ) properties (out of 2) seen :1
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 24 ms. (steps per millisecond=416 ) properties (out of 1) seen :0
Running SMT prover for 1 properties.
[2023-03-16 20:02:54] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
[2023-03-16 20:02:54] [INFO ] Invariant cache hit.
[2023-03-16 20:02:54] [INFO ] [Real]Absence check using 13 positive place invariants in 12 ms returned sat
[2023-03-16 20:03:06] [INFO ] After 11988ms SMT Verify possible using state equation in real domain returned unsat :0 sat :1
[2023-03-16 20:03:06] [INFO ] State equation strengthened by 268 read => feed constraints.
[2023-03-16 20:03:10] [INFO ] After 4564ms SMT Verify possible using 268 Read/Feed constraints in real domain returned unsat :0 sat :0 real:1
[2023-03-16 20:03:10] [INFO ] After 16836ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
[2023-03-16 20:03:11] [INFO ] [Nat]Absence check using 13 positive place invariants in 5 ms returned sat
[2023-03-16 20:03:24] [INFO ] After 13208ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
[2023-03-16 20:03:28] [INFO ] After 3906ms SMT Verify possible using 268 Read/Feed constraints in natural domain returned unsat :0 sat :1
[2023-03-16 20:03:29] [INFO ] Deduced a trap composed of 40 places in 576 ms of which 0 ms to minimize.
[2023-03-16 20:03:29] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 1323 ms
[2023-03-16 20:03:29] [INFO ] After 5670ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
Attempting to minimize the solution found.
Minimization took 442 ms.
[2023-03-16 20:03:30] [INFO ] After 19430ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
Parikh walk visited 0 properties in 4 ms.
Support contains 2 out of 626 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 626/626 places, 31352/31352 transitions.
Applied a total of 0 rules in 169 ms. Remains 626 /626 variables (removed 0) and now considering 31352/31352 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 170 ms. Remains : 626/626 places, 31352/31352 transitions.
Incomplete random walk after 10000 steps, including 2 resets, run finished after 259 ms. (steps per millisecond=38 ) properties (out of 1) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 22 ms. (steps per millisecond=454 ) properties (out of 1) seen :0
Interrupted probabilistic random walk after 25746 steps, run timeout after 3002 ms. (steps per millisecond=8 ) properties seen :{}
Probabilistic random walk after 25746 steps, saw 23274 distinct states, run finished after 3002 ms. (steps per millisecond=8 ) properties seen :0
Running SMT prover for 1 properties.
[2023-03-16 20:03:33] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
[2023-03-16 20:03:33] [INFO ] Invariant cache hit.
[2023-03-16 20:03:34] [INFO ] [Real]Absence check using 13 positive place invariants in 5 ms returned sat
[2023-03-16 20:03:45] [INFO ] After 11680ms SMT Verify possible using state equation in real domain returned unsat :0 sat :1
[2023-03-16 20:03:45] [INFO ] State equation strengthened by 268 read => feed constraints.
[2023-03-16 20:03:50] [INFO ] After 4564ms SMT Verify possible using 268 Read/Feed constraints in real domain returned unsat :0 sat :0 real:1
[2023-03-16 20:03:50] [INFO ] After 16443ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
[2023-03-16 20:03:50] [INFO ] [Nat]Absence check using 13 positive place invariants in 5 ms returned sat
[2023-03-16 20:04:03] [INFO ] After 12873ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
[2023-03-16 20:04:07] [INFO ] After 3912ms SMT Verify possible using 268 Read/Feed constraints in natural domain returned unsat :0 sat :1
[2023-03-16 20:04:08] [INFO ] Deduced a trap composed of 40 places in 514 ms of which 0 ms to minimize.
[2023-03-16 20:04:08] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 1264 ms
[2023-03-16 20:04:08] [INFO ] After 5613ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
Attempting to minimize the solution found.
Minimization took 453 ms.
[2023-03-16 20:04:09] [INFO ] After 19054ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
Parikh walk visited 0 properties in 4 ms.
Support contains 2 out of 626 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 626/626 places, 31352/31352 transitions.
Applied a total of 0 rules in 150 ms. Remains 626 /626 variables (removed 0) and now considering 31352/31352 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 150 ms. Remains : 626/626 places, 31352/31352 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 626/626 places, 31352/31352 transitions.
Applied a total of 0 rules in 167 ms. Remains 626 /626 variables (removed 0) and now considering 31352/31352 (removed 0) transitions.
[2023-03-16 20:04:09] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
[2023-03-16 20:04:09] [INFO ] Invariant cache hit.
[2023-03-16 20:04:11] [INFO ] Implicit Places using invariants in 1784 ms returned []
Implicit Place search using SMT only with invariants took 1803 ms to find 0 implicit places.
[2023-03-16 20:04:11] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
[2023-03-16 20:04:11] [INFO ] Invariant cache hit.
[2023-03-16 20:04:20] [INFO ] Dead Transitions using invariants and state equation in 9101 ms found 0 transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 11095 ms. Remains : 626/626 places, 31352/31352 transitions.
Ensure Unique test removed 13027 transitions
Reduce isomorphic transitions removed 13027 transitions.
Iterating post reduction 0 with 13027 rules applied. Total rules applied 13027 place count 626 transition count 18325
Applied a total of 13027 rules in 664 ms. Remains 626 /626 variables (removed 0) and now considering 18325/31352 (removed 13027) transitions.
Running SMT prover for 1 properties.
// Phase 1: matrix 18325 rows 626 cols
[2023-03-16 20:04:21] [INFO ] Computed 13 place invariants in 48 ms
[2023-03-16 20:04:21] [INFO ] [Real]Absence check using 13 positive place invariants in 6 ms returned sat
[2023-03-16 20:04:34] [INFO ] After 12975ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
[2023-03-16 20:04:34] [INFO ] [Nat]Absence check using 13 positive place invariants in 6 ms returned sat
[2023-03-16 20:04:47] [INFO ] After 12697ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
[2023-03-16 20:04:47] [INFO ] After 13292ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
Attempting to minimize the solution found.
Minimization took 380 ms.
[2023-03-16 20:04:48] [INFO ] After 13752ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
Knowledge obtained : [(AND (NOT p0) (NOT p1)), (X (AND (NOT p1) (NOT p0))), (X (NOT p0)), (X (X (AND (NOT p1) (NOT p0)))), (X (X (NOT p0)))]
False Knowledge obtained : [(F (NOT (AND (NOT p1) (NOT p0))))]
Knowledge based reduction with 5 factoid took 191 ms. Reduced automaton from 2 states, 3 edges and 2 AP (stutter insensitive) to 2 states, 3 edges and 2 AP (stutter insensitive).
Stuttering acceptance computed with spot in 70 ms :[(AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1))]
Stuttering acceptance computed with spot in 69 ms :[(AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1))]
[2023-03-16 20:04:48] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
// Phase 1: matrix 18325 rows 626 cols
[2023-03-16 20:04:48] [INFO ] Computed 13 place invariants in 42 ms
Could not prove EG (AND (NOT p0) (NOT p1))
Support contains 4 out of 626 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 626/626 places, 31352/31352 transitions.
Applied a total of 0 rules in 178 ms. Remains 626 /626 variables (removed 0) and now considering 31352/31352 (removed 0) transitions.
[2023-03-16 20:05:04] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
[2023-03-16 20:05:04] [INFO ] Invariant cache hit.
[2023-03-16 20:05:05] [INFO ] Implicit Places using invariants in 1789 ms returned []
Implicit Place search using SMT only with invariants took 1803 ms to find 0 implicit places.
[2023-03-16 20:05:05] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
[2023-03-16 20:05:05] [INFO ] Invariant cache hit.
[2023-03-16 20:05:15] [INFO ] Dead Transitions using invariants and state equation in 9198 ms found 0 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 11197 ms. Remains : 626/626 places, 31352/31352 transitions.
Computed a total of 0 stabilizing places and 0 stable transitions
Computed a total of 0 stabilizing places and 0 stable transitions
Knowledge obtained : [(AND (NOT p0) (NOT p1)), (X (AND (NOT p1) (NOT p0))), (X (NOT p0)), (X (X (AND (NOT p1) (NOT p0)))), (X (X (NOT p0)))]
False Knowledge obtained : []
Knowledge based reduction with 5 factoid took 186 ms. Reduced automaton from 2 states, 3 edges and 2 AP (stutter insensitive) to 2 states, 3 edges and 2 AP (stutter insensitive).
Stuttering acceptance computed with spot in 62 ms :[(AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1))]
Incomplete random walk after 10000 steps, including 2 resets, run finished after 310 ms. (steps per millisecond=32 ) properties (out of 2) seen :1
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 24 ms. (steps per millisecond=416 ) properties (out of 1) seen :0
Running SMT prover for 1 properties.
[2023-03-16 20:05:15] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
[2023-03-16 20:05:15] [INFO ] Invariant cache hit.
[2023-03-16 20:05:15] [INFO ] [Real]Absence check using 13 positive place invariants in 5 ms returned sat
[2023-03-16 20:05:27] [INFO ] After 11944ms SMT Verify possible using state equation in real domain returned unsat :0 sat :1
[2023-03-16 20:05:27] [INFO ] State equation strengthened by 268 read => feed constraints.
[2023-03-16 20:05:32] [INFO ] After 4684ms SMT Verify possible using 268 Read/Feed constraints in real domain returned unsat :0 sat :0 real:1
[2023-03-16 20:05:32] [INFO ] After 16825ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
[2023-03-16 20:05:32] [INFO ] [Nat]Absence check using 13 positive place invariants in 6 ms returned sat
[2023-03-16 20:05:45] [INFO ] After 13122ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
[2023-03-16 20:05:49] [INFO ] After 4076ms SMT Verify possible using 268 Read/Feed constraints in natural domain returned unsat :0 sat :1
[2023-03-16 20:05:51] [INFO ] Deduced a trap composed of 40 places in 507 ms of which 1 ms to minimize.
[2023-03-16 20:05:51] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 1357 ms
[2023-03-16 20:05:51] [INFO ] After 5907ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
Attempting to minimize the solution found.
Minimization took 453 ms.
[2023-03-16 20:05:52] [INFO ] After 19587ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
Parikh walk visited 0 properties in 4 ms.
Support contains 2 out of 626 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 626/626 places, 31352/31352 transitions.
Applied a total of 0 rules in 159 ms. Remains 626 /626 variables (removed 0) and now considering 31352/31352 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 159 ms. Remains : 626/626 places, 31352/31352 transitions.
Incomplete random walk after 10000 steps, including 2 resets, run finished after 282 ms. (steps per millisecond=35 ) properties (out of 1) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 23 ms. (steps per millisecond=434 ) properties (out of 1) seen :0
Interrupted probabilistic random walk after 25222 steps, run timeout after 3001 ms. (steps per millisecond=8 ) properties seen :{}
Probabilistic random walk after 25222 steps, saw 22802 distinct states, run finished after 3001 ms. (steps per millisecond=8 ) properties seen :0
Running SMT prover for 1 properties.
[2023-03-16 20:05:55] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
[2023-03-16 20:05:55] [INFO ] Invariant cache hit.
[2023-03-16 20:05:55] [INFO ] [Real]Absence check using 13 positive place invariants in 5 ms returned sat
[2023-03-16 20:06:07] [INFO ] After 11878ms SMT Verify possible using state equation in real domain returned unsat :0 sat :1
[2023-03-16 20:06:07] [INFO ] State equation strengthened by 268 read => feed constraints.
[2023-03-16 20:06:12] [INFO ] After 4665ms SMT Verify possible using 268 Read/Feed constraints in real domain returned unsat :0 sat :0 real:1
[2023-03-16 20:06:12] [INFO ] After 16750ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
[2023-03-16 20:06:12] [INFO ] [Nat]Absence check using 13 positive place invariants in 6 ms returned sat
[2023-03-16 20:06:25] [INFO ] After 12940ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
[2023-03-16 20:06:29] [INFO ] After 4051ms SMT Verify possible using 268 Read/Feed constraints in natural domain returned unsat :0 sat :1
[2023-03-16 20:06:30] [INFO ] Deduced a trap composed of 40 places in 624 ms of which 0 ms to minimize.
[2023-03-16 20:06:31] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 1382 ms
[2023-03-16 20:06:31] [INFO ] After 5882ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
Attempting to minimize the solution found.
Minimization took 454 ms.
[2023-03-16 20:06:31] [INFO ] After 19377ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
Parikh walk visited 0 properties in 4 ms.
Support contains 2 out of 626 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 626/626 places, 31352/31352 transitions.
Applied a total of 0 rules in 188 ms. Remains 626 /626 variables (removed 0) and now considering 31352/31352 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 188 ms. Remains : 626/626 places, 31352/31352 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 626/626 places, 31352/31352 transitions.
Applied a total of 0 rules in 156 ms. Remains 626 /626 variables (removed 0) and now considering 31352/31352 (removed 0) transitions.
[2023-03-16 20:06:32] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
[2023-03-16 20:06:32] [INFO ] Invariant cache hit.
[2023-03-16 20:06:34] [INFO ] Implicit Places using invariants in 1827 ms returned []
Implicit Place search using SMT only with invariants took 1837 ms to find 0 implicit places.
[2023-03-16 20:06:34] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
[2023-03-16 20:06:34] [INFO ] Invariant cache hit.
[2023-03-16 20:06:43] [INFO ] Dead Transitions using invariants and state equation in 9349 ms found 0 transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 11365 ms. Remains : 626/626 places, 31352/31352 transitions.
Ensure Unique test removed 13027 transitions
Reduce isomorphic transitions removed 13027 transitions.
Iterating post reduction 0 with 13027 rules applied. Total rules applied 13027 place count 626 transition count 18325
Applied a total of 13027 rules in 504 ms. Remains 626 /626 variables (removed 0) and now considering 18325/31352 (removed 13027) transitions.
Running SMT prover for 1 properties.
// Phase 1: matrix 18325 rows 626 cols
[2023-03-16 20:06:44] [INFO ] Computed 13 place invariants in 48 ms
[2023-03-16 20:06:44] [INFO ] [Real]Absence check using 13 positive place invariants in 5 ms returned sat
[2023-03-16 20:06:57] [INFO ] After 13306ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
[2023-03-16 20:06:57] [INFO ] [Nat]Absence check using 13 positive place invariants in 5 ms returned sat
[2023-03-16 20:07:10] [INFO ] After 13192ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
[2023-03-16 20:07:11] [INFO ] After 13792ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
Attempting to minimize the solution found.
Minimization took 379 ms.
[2023-03-16 20:07:11] [INFO ] After 14267ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
Knowledge obtained : [(AND (NOT p0) (NOT p1)), (X (AND (NOT p1) (NOT p0))), (X (NOT p0)), (X (X (AND (NOT p1) (NOT p0)))), (X (X (NOT p0)))]
False Knowledge obtained : [(F (NOT (AND (NOT p1) (NOT p0))))]
Knowledge based reduction with 5 factoid took 204 ms. Reduced automaton from 2 states, 3 edges and 2 AP (stutter insensitive) to 2 states, 3 edges and 2 AP (stutter insensitive).
Stuttering acceptance computed with spot in 65 ms :[(AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1))]
Stuttering acceptance computed with spot in 60 ms :[(AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1))]
[2023-03-16 20:07:12] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
// Phase 1: matrix 18325 rows 626 cols
[2023-03-16 20:07:12] [INFO ] Computed 13 place invariants in 56 ms
Could not prove EG (AND (NOT p0) (NOT p1))
Stuttering acceptance computed with spot in 69 ms :[(AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1))]
Product exploration explored 100000 steps with 0 reset in 3324 ms.
Product exploration explored 100000 steps with 0 reset in 3423 ms.
Support contains 4 out of 626 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 626/626 places, 31352/31352 transitions.
Applied a total of 0 rules in 201 ms. Remains 626 /626 variables (removed 0) and now considering 31352/31352 (removed 0) transitions.
[2023-03-16 20:07:34] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
[2023-03-16 20:07:34] [INFO ] Invariant cache hit.
[2023-03-16 20:07:36] [INFO ] Implicit Places using invariants in 1890 ms returned []
Implicit Place search using SMT only with invariants took 1900 ms to find 0 implicit places.
[2023-03-16 20:07:36] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
[2023-03-16 20:07:36] [INFO ] Invariant cache hit.
[2023-03-16 20:07:45] [INFO ] Dead Transitions using invariants and state equation in 9431 ms found 0 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 11535 ms. Remains : 626/626 places, 31352/31352 transitions.
Treatment of property RERS17pb113-PT-6-LTLFireability-05 finished in 311119 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))&&F(p1)&&G(p2))))'
Support contains 8 out of 627 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 627/627 places, 31353/31353 transitions.
Applied a total of 0 rules in 69 ms. Remains 627 /627 variables (removed 0) and now considering 31353/31353 (removed 0) transitions.
[2023-03-16 20:07:46] [INFO ] Flow matrix only has 18326 transitions (discarded 13027 similar events)
// Phase 1: matrix 18326 rows 627 cols
[2023-03-16 20:07:46] [INFO ] Computed 13 place invariants in 40 ms
[2023-03-16 20:07:48] [INFO ] Implicit Places using invariants in 1810 ms returned []
Implicit Place search using SMT only with invariants took 1822 ms to find 0 implicit places.
[2023-03-16 20:07:48] [INFO ] Flow matrix only has 18326 transitions (discarded 13027 similar events)
[2023-03-16 20:07:48] [INFO ] Invariant cache hit.
[2023-03-16 20:07:57] [INFO ] Dead Transitions using invariants and state equation in 9240 ms found 0 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 11149 ms. Remains : 627/627 places, 31353/31353 transitions.
Stuttering acceptance computed with spot in 224 ms :[(OR (NOT p0) (NOT p2)), (OR (NOT p2) (NOT p0) (NOT p1)), (OR (NOT p2) (NOT p0) (NOT p1)), true, (OR (NOT p2) (NOT p0) (NOT p1))]
Running random walk in product with property : RERS17pb113-PT-6-LTLFireability-06 automaton TGBA Formula[mat=[[{ cond=(AND p2 p0), acceptance={} source=0 dest: 0}, { cond=(OR (NOT p2) (NOT p0)), acceptance={} source=0 dest: 3}], [{ cond=(AND p1 p2), acceptance={} source=1 dest: 0}, { cond=(AND (NOT p1) p2), acceptance={} source=1 dest: 2}, { cond=(NOT p2), acceptance={} source=1 dest: 3}], [{ cond=(AND p1 p2 p0), acceptance={0} source=2 dest: 0}, { cond=(AND (NOT p1) p2 p0), acceptance={0} source=2 dest: 2}, { cond=(OR (NOT p2) (NOT p0)), acceptance={0} source=2 dest: 3}], [{ cond=true, acceptance={0} source=3 dest: 3}], [{ cond=true, acceptance={} source=4 dest: 1}]], initial=4, aps=[p2:(OR (LT s0 1) (LT s118 1)), p0:(OR (LT s152 1) (LT s475 1)), p1:(OR (AND (GEQ s295 1) (GEQ s573 1)) (AND (GEQ s345 1) (GEQ s538 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][false, false, false, false, false]]
Entered a terminal (fully accepting) state of product in 1701 steps with 0 reset in 52 ms.
FORMULA RERS17pb113-PT-6-LTLFireability-06 FALSE TECHNIQUES STUTTER_TEST
Treatment of property RERS17pb113-PT-6-LTLFireability-06 finished in 11655 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(G(p1))&&p0)))'
Support contains 4 out of 627 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 627/627 places, 31353/31353 transitions.
Reduce places removed 1 places and 1 transitions.
Applied a total of 0 rules in 165 ms. Remains 626 /627 variables (removed 1) and now considering 31352/31353 (removed 1) transitions.
[2023-03-16 20:07:58] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
// Phase 1: matrix 18325 rows 626 cols
[2023-03-16 20:07:58] [INFO ] Computed 13 place invariants in 45 ms
[2023-03-16 20:08:00] [INFO ] Implicit Places using invariants in 1840 ms returned []
Implicit Place search using SMT only with invariants took 1854 ms to find 0 implicit places.
[2023-03-16 20:08:00] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
[2023-03-16 20:08:00] [INFO ] Invariant cache hit.
[2023-03-16 20:08:09] [INFO ] Dead Transitions using invariants and state equation in 9600 ms found 0 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 11628 ms. Remains : 626/627 places, 31352/31353 transitions.
Stuttering acceptance computed with spot in 68 ms :[(OR (NOT p0) (NOT p1)), (NOT p1)]
Running random walk in product with property : RERS17pb113-PT-6-LTLFireability-07 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=p1, acceptance={} source=1 dest: 1}, { cond=(AND p0 (NOT p1)), acceptance={0} source=1 dest: 1}]], initial=0, aps=[p0:(AND (GEQ s68 1) (GEQ s121 1)), p1:(AND (GEQ s211 1) (GEQ s224 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 3106 ms.
Product exploration explored 100000 steps with 0 reset in 3240 ms.
Computed a total of 0 stabilizing places and 0 stable transitions
Computed a total of 0 stabilizing places and 0 stable transitions
Knowledge obtained : [(AND (NOT p0) (NOT p1)), (X (AND (NOT p0) (NOT p1))), (X (NOT (AND p0 (NOT p1)))), (X (NOT p0)), (X (NOT p1)), (X (X (AND (NOT p0) (NOT p1)))), (X (X (NOT (AND p0 (NOT p1))))), (X (X (NOT p0))), (X (X (NOT p1)))]
False Knowledge obtained : []
Knowledge based reduction with 9 factoid took 338 ms. Reduced automaton from 2 states, 5 edges and 2 AP (stutter insensitive) to 2 states, 5 edges and 2 AP (stutter insensitive).
Stuttering acceptance computed with spot in 75 ms :[(OR (NOT p0) (NOT p1)), (NOT p1)]
Incomplete random walk after 10000 steps, including 2 resets, run finished after 430 ms. (steps per millisecond=23 ) properties (out of 4) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 32 ms. (steps per millisecond=312 ) properties (out of 4) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 28 ms. (steps per millisecond=357 ) properties (out of 4) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 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 44 ms. (steps per millisecond=227 ) properties (out of 4) seen :0
Interrupted probabilistic random walk after 23861 steps, run timeout after 3001 ms. (steps per millisecond=7 ) properties seen :{}
Probabilistic random walk after 23861 steps, saw 21591 distinct states, run finished after 3001 ms. (steps per millisecond=7 ) properties seen :0
Running SMT prover for 4 properties.
[2023-03-16 20:08:20] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
[2023-03-16 20:08:20] [INFO ] Invariant cache hit.
[2023-03-16 20:08:20] [INFO ] [Real]Absence check using 13 positive place invariants in 7 ms returned sat
[2023-03-16 20:08:35] [INFO ] After 15104ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:4
[2023-03-16 20:08:35] [INFO ] [Nat]Absence check using 13 positive place invariants in 8 ms returned sat
[2023-03-16 20:08:52] [INFO ] After 17095ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :4
[2023-03-16 20:08:53] [INFO ] State equation strengthened by 268 read => feed constraints.
[2023-03-16 20:08:59] [INFO ] After 6512ms SMT Verify possible using 268 Read/Feed constraints in natural domain returned unsat :0 sat :4
[2023-03-16 20:09:00] [INFO ] Deduced a trap composed of 48 places in 716 ms of which 0 ms to minimize.
[2023-03-16 20:09:03] [INFO ] Deduced a trap composed of 64 places in 2557 ms of which 1 ms to minimize.
java.lang.RuntimeException: SMT solver raised an error when submitting script. Raised (error "Failed to assert expression: java.io.IOException: Stream close...
at fr.lip6.move.gal.structural.smt.SMTUtils.execAndCheckResult(SMTUtils.java:251)
at fr.lip6.move.gal.structural.smt.DeadlockTester.refineWithTraps(DeadlockTester.java:1255)
at fr.lip6.move.gal.structural.smt.DeadlockTester.refineResultsWithTraps(DeadlockTester.java:736)
at fr.lip6.move.gal.structural.smt.DeadlockTester.verifyPossible(DeadlockTester.java:656)
at fr.lip6.move.gal.structural.smt.DeadlockTester.testUnreachableWithSMTIncremental(DeadlockTester.java:350)
at fr.lip6.move.gal.structural.smt.DeadlockTester.testUnreachableWithSMT(DeadlockTester.java:223)
at fr.lip6.move.gal.application.solver.ReachabilitySolver.applyReductions(ReachabilitySolver.java:95)
at fr.lip6.move.gal.application.solver.ltl.LTLPropertySolver.addInvarianceKnowledge(LTLPropertySolver.java:701)
at fr.lip6.move.gal.application.solver.ltl.LTLPropertySolver.applyKnowledgeBasedReductions(LTLPropertySolver.java:568)
at fr.lip6.move.gal.application.solver.ltl.LTLPropertySolver.checkLTLProperty(LTLPropertySolver.java:251)
at fr.lip6.move.gal.application.solver.ltl.LTLPropertySolver.runStutteringLTLTest(LTLPropertySolver.java:225)
at fr.lip6.move.gal.application.solver.ltl.LTLPropertySolver.runStructuralLTLCheck(LTLPropertySolver.java:76)
at fr.lip6.move.gal.application.Application.startNoEx(Application.java:762)
at fr.lip6.move.gal.application.Application.start(Application.java:178)
at fr.lip6.move.gal.itscl.application.Application.start(Application.java:45)
at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:203)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:136)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:104)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:402)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:255)
at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:77)
at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.base/java.lang.reflect.Method.invoke(Method.java:568)
at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:659)
at org.eclipse.equinox.launcher.Main.basicRun(Main.java:596)
at org.eclipse.equinox.launcher.Main.run(Main.java:1467)
at org.eclipse.equinox.launcher.Main.main(Main.java:1440)
[2023-03-16 20:09:03] [WARNING] SMT solver failed with error :SMT solver raised an error when submitting script.... while checking expressions.
[2023-03-16 20:09:03] [INFO ] After 27601ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :0 real:4
Parikh walk visited 0 properties in 14 ms.
Support contains 4 out of 626 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 626/626 places, 31352/31352 transitions.
Applied a total of 0 rules in 157 ms. Remains 626 /626 variables (removed 0) and now considering 31352/31352 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 158 ms. Remains : 626/626 places, 31352/31352 transitions.
Incomplete random walk after 10000 steps, including 2 resets, run finished after 418 ms. (steps per millisecond=23 ) properties (out of 4) seen :2
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 30 ms. (steps per millisecond=333 ) properties (out of 2) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 29 ms. (steps per millisecond=344 ) properties (out of 2) seen :0
Running SMT prover for 2 properties.
[2023-03-16 20:09:04] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
[2023-03-16 20:09:04] [INFO ] Invariant cache hit.
[2023-03-16 20:09:04] [INFO ] [Real]Absence check using 13 positive place invariants in 11 ms returned sat
[2023-03-16 20:09:19] [INFO ] After 15811ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:2
[2023-03-16 20:09:19] [INFO ] [Nat]Absence check using 13 positive place invariants in 5 ms returned sat
[2023-03-16 20:09:34] [INFO ] After 14937ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :2
[2023-03-16 20:09:34] [INFO ] State equation strengthened by 268 read => feed constraints.
[2023-03-16 20:09:40] [INFO ] After 5253ms SMT Verify possible using 268 Read/Feed constraints in natural domain returned unsat :0 sat :2
[2023-03-16 20:09:41] [INFO ] Deduced a trap composed of 40 places in 552 ms of which 1 ms to minimize.
[2023-03-16 20:09:41] [INFO ] Deduced a trap composed of 64 places in 473 ms of which 1 ms to minimize.
[2023-03-16 20:09:42] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 2094 ms
[2023-03-16 20:09:43] [INFO ] After 8533ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :2
Attempting to minimize the solution found.
Minimization took 812 ms.
[2023-03-16 20:09:44] [INFO ] After 24507ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :2
Parikh walk visited 0 properties in 9 ms.
Support contains 4 out of 626 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 626/626 places, 31352/31352 transitions.
Applied a total of 0 rules in 178 ms. Remains 626 /626 variables (removed 0) and now considering 31352/31352 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 178 ms. Remains : 626/626 places, 31352/31352 transitions.
Incomplete random walk after 10000 steps, including 2 resets, run finished after 302 ms. (steps per millisecond=33 ) 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 10001 steps, including 2 resets, run finished after 26 ms. (steps per millisecond=384 ) properties (out of 2) seen :0
Interrupted probabilistic random walk after 24516 steps, run timeout after 3001 ms. (steps per millisecond=8 ) properties seen :{}
Probabilistic random walk after 24516 steps, saw 22177 distinct states, run finished after 3001 ms. (steps per millisecond=8 ) properties seen :0
Running SMT prover for 2 properties.
[2023-03-16 20:09:47] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
[2023-03-16 20:09:47] [INFO ] Invariant cache hit.
[2023-03-16 20:09:48] [INFO ] [Real]Absence check using 13 positive place invariants in 7 ms returned sat
[2023-03-16 20:10:03] [INFO ] After 15795ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:2
[2023-03-16 20:10:03] [INFO ] [Nat]Absence check using 13 positive place invariants in 6 ms returned sat
[2023-03-16 20:10:19] [INFO ] After 15730ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :2
[2023-03-16 20:10:19] [INFO ] State equation strengthened by 268 read => feed constraints.
[2023-03-16 20:10:25] [INFO ] After 5570ms SMT Verify possible using 268 Read/Feed constraints in natural domain returned unsat :0 sat :2
[2023-03-16 20:10:26] [INFO ] Deduced a trap composed of 40 places in 577 ms of which 2 ms to minimize.
[2023-03-16 20:10:27] [INFO ] Deduced a trap composed of 64 places in 485 ms of which 1 ms to minimize.
[2023-03-16 20:10:27] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 2175 ms
[2023-03-16 20:10:28] [INFO ] After 8986ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :2
Attempting to minimize the solution found.
Minimization took 118 ms.
[2023-03-16 20:10:28] [INFO ] After 25048ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
Parikh walk visited 0 properties in 12 ms.
Support contains 4 out of 626 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 626/626 places, 31352/31352 transitions.
Applied a total of 0 rules in 156 ms. Remains 626 /626 variables (removed 0) and now considering 31352/31352 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 156 ms. Remains : 626/626 places, 31352/31352 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 626/626 places, 31352/31352 transitions.
Applied a total of 0 rules in 189 ms. Remains 626 /626 variables (removed 0) and now considering 31352/31352 (removed 0) transitions.
[2023-03-16 20:10:29] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
[2023-03-16 20:10:29] [INFO ] Invariant cache hit.
[2023-03-16 20:10:30] [INFO ] Implicit Places using invariants in 1835 ms returned []
Implicit Place search using SMT only with invariants took 1853 ms to find 0 implicit places.
[2023-03-16 20:10:31] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
[2023-03-16 20:10:31] [INFO ] Invariant cache hit.
[2023-03-16 20:10:40] [INFO ] Dead Transitions using invariants and state equation in 9242 ms found 0 transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 11302 ms. Remains : 626/626 places, 31352/31352 transitions.
Knowledge obtained : [(AND (NOT p0) (NOT p1)), (X (AND (NOT p0) (NOT p1))), (X (NOT (AND p0 (NOT p1)))), (X (NOT p0)), (X (NOT p1)), (X (X (AND (NOT p0) (NOT p1)))), (X (X (NOT (AND p0 (NOT p1))))), (X (X (NOT p0))), (X (X (NOT p1)))]
False Knowledge obtained : [(F p1), (F (NOT (AND (NOT p0) (NOT p1))))]
Knowledge based reduction with 9 factoid took 384 ms. Reduced automaton from 2 states, 5 edges and 2 AP (stutter insensitive) to 2 states, 5 edges and 2 AP (stutter insensitive).
Stuttering acceptance computed with spot in 69 ms :[(OR (NOT p0) (NOT p1)), (NOT p1)]
Stuttering acceptance computed with spot in 59 ms :[(OR (NOT p0) (NOT p1)), (NOT p1)]
[2023-03-16 20:10:40] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
[2023-03-16 20:10:40] [INFO ] Invariant cache hit.
Could not prove EG (NOT p0)
[2023-03-16 20:10:56] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
[2023-03-16 20:10:56] [INFO ] Invariant cache hit.
Could not prove EG (NOT p1)
Support contains 4 out of 626 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 626/626 places, 31352/31352 transitions.
Applied a total of 0 rules in 166 ms. Remains 626 /626 variables (removed 0) and now considering 31352/31352 (removed 0) transitions.
[2023-03-16 20:11:11] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
[2023-03-16 20:11:11] [INFO ] Invariant cache hit.
[2023-03-16 20:11:13] [INFO ] Implicit Places using invariants in 1811 ms returned []
Implicit Place search using SMT only with invariants took 1826 ms to find 0 implicit places.
[2023-03-16 20:11:13] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
[2023-03-16 20:11:13] [INFO ] Invariant cache hit.
[2023-03-16 20:11:22] [INFO ] Dead Transitions using invariants and state equation in 9267 ms found 0 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 11263 ms. Remains : 626/626 places, 31352/31352 transitions.
Computed a total of 0 stabilizing places and 0 stable transitions
Computed a total of 0 stabilizing places and 0 stable transitions
Knowledge obtained : [(AND (NOT p0) (NOT p1)), (X (AND (NOT p0) (NOT p1))), (X (NOT (AND p0 (NOT p1)))), (X (NOT p0)), (X (NOT p1)), (X (X (AND (NOT p0) (NOT p1)))), (X (X (NOT (AND p0 (NOT p1))))), (X (X (NOT p0))), (X (X (NOT p1)))]
False Knowledge obtained : []
Knowledge based reduction with 9 factoid took 440 ms. Reduced automaton from 2 states, 5 edges and 2 AP (stutter insensitive) to 2 states, 5 edges and 2 AP (stutter insensitive).
Stuttering acceptance computed with spot in 64 ms :[(OR (NOT p0) (NOT p1)), (NOT p1)]
Incomplete random walk after 10000 steps, including 2 resets, run finished after 482 ms. (steps per millisecond=20 ) properties (out of 4) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 30 ms. (steps per millisecond=333 ) properties (out of 4) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 29 ms. (steps per millisecond=344 ) properties (out of 4) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 28 ms. (steps per millisecond=357 ) properties (out of 4) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 28 ms. (steps per millisecond=357 ) properties (out of 4) seen :0
Interrupted probabilistic random walk after 24615 steps, run timeout after 3001 ms. (steps per millisecond=8 ) properties seen :{}
Probabilistic random walk after 24615 steps, saw 22267 distinct states, run finished after 3001 ms. (steps per millisecond=8 ) properties seen :0
Running SMT prover for 4 properties.
[2023-03-16 20:11:26] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
[2023-03-16 20:11:26] [INFO ] Invariant cache hit.
[2023-03-16 20:11:26] [INFO ] [Real]Absence check using 13 positive place invariants in 7 ms returned sat
[2023-03-16 20:11:42] [INFO ] After 15299ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:4
[2023-03-16 20:11:42] [INFO ] [Nat]Absence check using 13 positive place invariants in 5 ms returned sat
[2023-03-16 20:11:58] [INFO ] After 16594ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :4
[2023-03-16 20:11:58] [INFO ] State equation strengthened by 268 read => feed constraints.
[2023-03-16 20:12:05] [INFO ] After 6536ms SMT Verify possible using 268 Read/Feed constraints in natural domain returned unsat :0 sat :4
[2023-03-16 20:12:06] [INFO ] Deduced a trap composed of 48 places in 724 ms of which 1 ms to minimize.
[2023-03-16 20:12:07] [INFO ] Deduced a trap composed of 40 places in 594 ms of which 1 ms to minimize.
java.lang.RuntimeException: SMT solver raised an error when submitting script. Raised (error "Failed to assert expression: java.io.IOException: Stream close...
at fr.lip6.move.gal.structural.smt.SMTUtils.execAndCheckResult(SMTUtils.java:251)
at fr.lip6.move.gal.structural.smt.DeadlockTester.refineWithTraps(DeadlockTester.java:1255)
at fr.lip6.move.gal.structural.smt.DeadlockTester.refineResultsWithTraps(DeadlockTester.java:736)
at fr.lip6.move.gal.structural.smt.DeadlockTester.verifyPossible(DeadlockTester.java:656)
at fr.lip6.move.gal.structural.smt.DeadlockTester.testUnreachableWithSMTIncremental(DeadlockTester.java:350)
at fr.lip6.move.gal.structural.smt.DeadlockTester.testUnreachableWithSMT(DeadlockTester.java:223)
at fr.lip6.move.gal.application.solver.ReachabilitySolver.applyReductions(ReachabilitySolver.java:95)
at fr.lip6.move.gal.application.solver.ltl.LTLPropertySolver.addInvarianceKnowledge(LTLPropertySolver.java:701)
at fr.lip6.move.gal.application.solver.ltl.LTLPropertySolver.applyKnowledgeBasedReductions(LTLPropertySolver.java:568)
at fr.lip6.move.gal.application.solver.ltl.LTLPropertySolver.checkLTLProperty(LTLPropertySolver.java:261)
at fr.lip6.move.gal.application.solver.ltl.LTLPropertySolver.runStutteringLTLTest(LTLPropertySolver.java:225)
at fr.lip6.move.gal.application.solver.ltl.LTLPropertySolver.runStructuralLTLCheck(LTLPropertySolver.java:76)
at fr.lip6.move.gal.application.Application.startNoEx(Application.java:762)
at fr.lip6.move.gal.application.Application.start(Application.java:178)
at fr.lip6.move.gal.itscl.application.Application.start(Application.java:45)
at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:203)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:136)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:104)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:402)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:255)
at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:77)
at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.base/java.lang.reflect.Method.invoke(Method.java:568)
at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:659)
at org.eclipse.equinox.launcher.Main.basicRun(Main.java:596)
at org.eclipse.equinox.launcher.Main.run(Main.java:1467)
at org.eclipse.equinox.launcher.Main.main(Main.java:1440)
[2023-03-16 20:12:07] [WARNING] SMT solver failed with error :SMT solver raised an error when submitting script.... while checking expressions.
[2023-03-16 20:12:07] [INFO ] After 25397ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :0 real:4
Parikh walk visited 0 properties in 14 ms.
Support contains 4 out of 626 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 626/626 places, 31352/31352 transitions.
Applied a total of 0 rules in 147 ms. Remains 626 /626 variables (removed 0) and now considering 31352/31352 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 147 ms. Remains : 626/626 places, 31352/31352 transitions.
Incomplete random walk after 10000 steps, including 2 resets, run finished after 289 ms. (steps per millisecond=34 ) properties (out of 4) seen :2
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 25 ms. (steps per millisecond=400 ) 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
Running SMT prover for 2 properties.
[2023-03-16 20:12:07] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
[2023-03-16 20:12:07] [INFO ] Invariant cache hit.
[2023-03-16 20:12:08] [INFO ] [Real]Absence check using 13 positive place invariants in 9 ms returned sat
[2023-03-16 20:12:23] [INFO ] After 15205ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:2
[2023-03-16 20:12:23] [INFO ] [Nat]Absence check using 13 positive place invariants in 5 ms returned sat
[2023-03-16 20:12:38] [INFO ] After 15168ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :2
[2023-03-16 20:12:38] [INFO ] State equation strengthened by 268 read => feed constraints.
[2023-03-16 20:12:43] [INFO ] After 5369ms SMT Verify possible using 268 Read/Feed constraints in natural domain returned unsat :0 sat :2
[2023-03-16 20:12:44] [INFO ] Deduced a trap composed of 40 places in 525 ms of which 0 ms to minimize.
[2023-03-16 20:12:45] [INFO ] Deduced a trap composed of 64 places in 466 ms of which 0 ms to minimize.
[2023-03-16 20:12:46] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 2027 ms
[2023-03-16 20:12:47] [INFO ] After 8548ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :2
Attempting to minimize the solution found.
Minimization took 790 ms.
[2023-03-16 20:12:47] [INFO ] After 24700ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :2
Parikh walk visited 0 properties in 7 ms.
Support contains 4 out of 626 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 626/626 places, 31352/31352 transitions.
Applied a total of 0 rules in 187 ms. Remains 626 /626 variables (removed 0) and now considering 31352/31352 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 187 ms. Remains : 626/626 places, 31352/31352 transitions.
Incomplete random walk after 10000 steps, including 2 resets, run finished after 357 ms. (steps per millisecond=28 ) properties (out of 2) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 28 ms. (steps per millisecond=357 ) properties (out of 2) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 29 ms. (steps per millisecond=344 ) properties (out of 2) seen :0
Interrupted probabilistic random walk after 24063 steps, run timeout after 3001 ms. (steps per millisecond=8 ) properties seen :{}
Probabilistic random walk after 24063 steps, saw 21769 distinct states, run finished after 3001 ms. (steps per millisecond=8 ) properties seen :0
Running SMT prover for 2 properties.
[2023-03-16 20:12:51] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
[2023-03-16 20:12:51] [INFO ] Invariant cache hit.
[2023-03-16 20:12:51] [INFO ] [Real]Absence check using 13 positive place invariants in 5 ms returned sat
[2023-03-16 20:13:07] [INFO ] After 15440ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:2
[2023-03-16 20:13:07] [INFO ] [Nat]Absence check using 13 positive place invariants in 5 ms returned sat
[2023-03-16 20:13:22] [INFO ] After 15501ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :2
[2023-03-16 20:13:22] [INFO ] State equation strengthened by 268 read => feed constraints.
[2023-03-16 20:13:28] [INFO ] After 5328ms SMT Verify possible using 268 Read/Feed constraints in natural domain returned unsat :0 sat :2
[2023-03-16 20:13:29] [INFO ] Deduced a trap composed of 40 places in 562 ms of which 0 ms to minimize.
[2023-03-16 20:13:29] [INFO ] Deduced a trap composed of 64 places in 455 ms of which 0 ms to minimize.
[2023-03-16 20:13:30] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 2208 ms
[2023-03-16 20:13:31] [INFO ] After 8856ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :2
Attempting to minimize the solution found.
Minimization took 469 ms.
[2023-03-16 20:13:32] [INFO ] After 25034ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
Parikh walk visited 0 properties in 14 ms.
Support contains 4 out of 626 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 626/626 places, 31352/31352 transitions.
Applied a total of 0 rules in 173 ms. Remains 626 /626 variables (removed 0) and now considering 31352/31352 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 173 ms. Remains : 626/626 places, 31352/31352 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 626/626 places, 31352/31352 transitions.
Applied a total of 0 rules in 147 ms. Remains 626 /626 variables (removed 0) and now considering 31352/31352 (removed 0) transitions.
[2023-03-16 20:13:32] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
[2023-03-16 20:13:32] [INFO ] Invariant cache hit.
[2023-03-16 20:13:34] [INFO ] Implicit Places using invariants in 1792 ms returned []
Implicit Place search using SMT only with invariants took 1796 ms to find 0 implicit places.
[2023-03-16 20:13:34] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
[2023-03-16 20:13:34] [INFO ] Invariant cache hit.
[2023-03-16 20:13:43] [INFO ] Dead Transitions using invariants and state equation in 9444 ms found 0 transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 11393 ms. Remains : 626/626 places, 31352/31352 transitions.
Knowledge obtained : [(AND (NOT p0) (NOT p1)), (X (AND (NOT p0) (NOT p1))), (X (NOT (AND p0 (NOT p1)))), (X (NOT p0)), (X (NOT p1)), (X (X (AND (NOT p0) (NOT p1)))), (X (X (NOT (AND p0 (NOT p1))))), (X (X (NOT p0))), (X (X (NOT p1)))]
False Knowledge obtained : [(F p1), (F (NOT (AND (NOT p0) (NOT p1))))]
Knowledge based reduction with 9 factoid took 405 ms. Reduced automaton from 2 states, 5 edges and 2 AP (stutter insensitive) to 2 states, 5 edges and 2 AP (stutter insensitive).
Stuttering acceptance computed with spot in 77 ms :[(OR (NOT p0) (NOT p1)), (NOT p1)]
Stuttering acceptance computed with spot in 85 ms :[(OR (NOT p0) (NOT p1)), (NOT p1)]
[2023-03-16 20:13:44] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
[2023-03-16 20:13:44] [INFO ] Invariant cache hit.
Could not prove EG (NOT p0)
[2023-03-16 20:13:59] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
[2023-03-16 20:13:59] [INFO ] Invariant cache hit.
Could not prove EG (NOT p1)
Stuttering acceptance computed with spot in 82 ms :[(OR (NOT p0) (NOT p1)), (NOT p1)]
Product exploration explored 100000 steps with 0 reset in 3466 ms.
Product exploration explored 100000 steps with 0 reset in 3265 ms.
Support contains 4 out of 626 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 626/626 places, 31352/31352 transitions.
Applied a total of 0 rules in 159 ms. Remains 626 /626 variables (removed 0) and now considering 31352/31352 (removed 0) transitions.
[2023-03-16 20:14:21] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
[2023-03-16 20:14:21] [INFO ] Invariant cache hit.
[2023-03-16 20:14:23] [INFO ] Implicit Places using invariants in 1884 ms returned []
Implicit Place search using SMT only with invariants took 1906 ms to find 0 implicit places.
[2023-03-16 20:14:23] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
[2023-03-16 20:14:23] [INFO ] Invariant cache hit.
[2023-03-16 20:14:33] [INFO ] Dead Transitions using invariants and state equation in 9625 ms found 0 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 11713 ms. Remains : 626/626 places, 31352/31352 transitions.
Treatment of property RERS17pb113-PT-6-LTLFireability-07 finished in 395812 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202303021504/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!((G((p0||F(p1)))||F((G(p2)||G(p3)))))'
Support contains 8 out of 627 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 627/627 places, 31353/31353 transitions.
Reduce places removed 1 places and 1 transitions.
Applied a total of 0 rules in 196 ms. Remains 626 /627 variables (removed 1) and now considering 31352/31353 (removed 1) transitions.
[2023-03-16 20:14:34] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
[2023-03-16 20:14:34] [INFO ] Invariant cache hit.
[2023-03-16 20:14:36] [INFO ] Implicit Places using invariants in 1835 ms returned []
Implicit Place search using SMT only with invariants took 1848 ms to find 0 implicit places.
[2023-03-16 20:14:36] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
[2023-03-16 20:14:36] [INFO ] Invariant cache hit.
[2023-03-16 20:14:45] [INFO ] Dead Transitions using invariants and state equation in 9621 ms found 0 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 11668 ms. Remains : 626/627 places, 31352/31353 transitions.
Stuttering acceptance computed with spot in 91 ms :[(AND (NOT p0) (NOT p1) (NOT p2) (NOT p3)), (AND (NOT p1) (NOT p2) (NOT p3))]
Running random walk in product with property : RERS17pb113-PT-6-LTLFireability-08 automaton TGBA Formula[mat=[[{ cond=true, acceptance={} source=0 dest: 0}, { cond=(AND (NOT p0) (NOT p1)), acceptance={} source=0 dest: 1}], [{ cond=(AND p2 (NOT p1) p3), acceptance={} source=1 dest: 1}, { cond=(AND (NOT p2) (NOT p1) p3), acceptance={0} source=1 dest: 1}, { cond=(AND p2 (NOT p1) (NOT p3)), acceptance={1} source=1 dest: 1}, { cond=(AND (NOT p2) (NOT p1) (NOT p3)), acceptance={0, 1} source=1 dest: 1}]], initial=0, aps=[p0:(AND (GEQ s79 1) (GEQ s354 1)), p1:(OR (LT s248 1) (LT s474 1)), p2:(OR (LT s33 1) (LT s297 1)), p3:(OR (LT s224 1) (LT s561 1))], nbAcceptance=2, properties=[trans-labels, explicit-labels, trans-acc, no-univ-branch, stutter-invariant], stateDesc=[null, null][true, true]]
Product exploration explored 100000 steps with 4 reset in 3958 ms.
Product exploration explored 100000 steps with 5 reset in 4353 ms.
Computed a total of 0 stabilizing places and 0 stable transitions
Computed a total of 0 stabilizing places and 0 stable transitions
Knowledge obtained : [(AND (NOT p0) p1 p2 p3), (X (NOT (AND (NOT p2) (NOT p1) p3))), (X (NOT (AND p2 (NOT p1) p3))), (X (NOT (AND p2 (NOT p1) (NOT p3)))), (X (NOT (AND (NOT p2) (NOT p1) (NOT p3)))), (X (X (NOT (AND (NOT p2) (NOT p1) p3)))), (X (X (NOT (AND p2 (NOT p1) p3)))), (X (X (NOT (AND p2 (NOT p1) (NOT p3))))), (X (X (NOT (AND (NOT p2) (NOT p1) (NOT p3)))))]
False Knowledge obtained : []
Knowledge based reduction with 9 factoid took 391 ms. Reduced automaton from 2 states, 6 edges and 4 AP (stutter insensitive) to 2 states, 6 edges and 4 AP (stutter insensitive).
Stuttering acceptance computed with spot in 84 ms :[(AND (NOT p1) (NOT p0) (NOT p2) (NOT p3)), (AND (NOT p1) (NOT p2) (NOT p3))]
Incomplete random walk after 10000 steps, including 2 resets, run finished after 492 ms. (steps per millisecond=20 ) properties (out of 5) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 41 ms. (steps per millisecond=243 ) properties (out of 5) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 41 ms. (steps per millisecond=243 ) properties (out of 5) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 41 ms. (steps per millisecond=243 ) properties (out of 5) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 39 ms. (steps per millisecond=256 ) properties (out of 5) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 41 ms. (steps per millisecond=243 ) properties (out of 5) seen :0
Interrupted probabilistic random walk after 22466 steps, run timeout after 3001 ms. (steps per millisecond=7 ) properties seen :{}
Probabilistic random walk after 22466 steps, saw 20354 distinct states, run finished after 3001 ms. (steps per millisecond=7 ) properties seen :0
Running SMT prover for 5 properties.
[2023-03-16 20:14:58] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
[2023-03-16 20:14:58] [INFO ] Invariant cache hit.
[2023-03-16 20:14:58] [INFO ] [Real]Absence check using 13 positive place invariants in 7 ms returned sat
[2023-03-16 20:15:15] [INFO ] After 17219ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:5
[2023-03-16 20:15:15] [INFO ] [Nat]Absence check using 13 positive place invariants in 7 ms returned sat
[2023-03-16 20:15:31] [INFO ] After 15707ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :5
[2023-03-16 20:15:31] [INFO ] State equation strengthened by 268 read => feed constraints.
[2023-03-16 20:15:40] [INFO ] After 8580ms SMT Verify possible using 268 Read/Feed constraints in natural domain returned unsat :0 sat :5
[2023-03-16 20:15:41] [INFO ] Deduced a trap composed of 24 places in 628 ms of which 0 ms to minimize.
java.lang.RuntimeException: SMT solver raised an error when submitting script. Raised (error "Failed to assert expression: java.io.IOException: Stream close...
at fr.lip6.move.gal.structural.smt.SMTUtils.execAndCheckResult(SMTUtils.java:251)
at fr.lip6.move.gal.structural.smt.DeadlockTester.refineWithTraps(DeadlockTester.java:1255)
at fr.lip6.move.gal.structural.smt.DeadlockTester.refineResultsWithTraps(DeadlockTester.java:736)
at fr.lip6.move.gal.structural.smt.DeadlockTester.verifyPossible(DeadlockTester.java:656)
at fr.lip6.move.gal.structural.smt.DeadlockTester.testUnreachableWithSMTIncremental(DeadlockTester.java:350)
at fr.lip6.move.gal.structural.smt.DeadlockTester.testUnreachableWithSMT(DeadlockTester.java:223)
at fr.lip6.move.gal.application.solver.ReachabilitySolver.applyReductions(ReachabilitySolver.java:95)
at fr.lip6.move.gal.application.solver.ltl.LTLPropertySolver.addInvarianceKnowledge(LTLPropertySolver.java:701)
at fr.lip6.move.gal.application.solver.ltl.LTLPropertySolver.applyKnowledgeBasedReductions(LTLPropertySolver.java:568)
at fr.lip6.move.gal.application.solver.ltl.LTLPropertySolver.checkLTLProperty(LTLPropertySolver.java:251)
at fr.lip6.move.gal.application.solver.ltl.LTLPropertySolver.runStutteringLTLTest(LTLPropertySolver.java:225)
at fr.lip6.move.gal.application.solver.ltl.LTLPropertySolver.runStructuralLTLCheck(LTLPropertySolver.java:76)
at fr.lip6.move.gal.application.Application.startNoEx(Application.java:762)
at fr.lip6.move.gal.application.Application.start(Application.java:178)
at fr.lip6.move.gal.itscl.application.Application.start(Application.java:45)
at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:203)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:136)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:104)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:402)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:255)
at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:77)
at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.base/java.lang.reflect.Method.invoke(Method.java:568)
at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:659)
at org.eclipse.equinox.launcher.Main.basicRun(Main.java:596)
at org.eclipse.equinox.launcher.Main.run(Main.java:1467)
at org.eclipse.equinox.launcher.Main.main(Main.java:1440)
[2023-03-16 20:15:41] [WARNING] SMT solver failed with error :SMT solver raised an error when submitting script.... while checking expressions.
[2023-03-16 20:15:41] [INFO ] After 25714ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :0 real:5
Parikh walk visited 0 properties in 24 ms.
Support contains 8 out of 626 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 626/626 places, 31352/31352 transitions.
Applied a total of 0 rules in 152 ms. Remains 626 /626 variables (removed 0) and now considering 31352/31352 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 153 ms. Remains : 626/626 places, 31352/31352 transitions.
Incomplete random walk after 10000 steps, including 2 resets, run finished after 801 ms. (steps per millisecond=12 ) properties (out of 5) 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 5) 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 5) 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 5) 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 5) 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 5) seen :0
Interrupted probabilistic random walk after 23708 steps, run timeout after 3001 ms. (steps per millisecond=7 ) properties seen :{}
Probabilistic random walk after 23708 steps, saw 21461 distinct states, run finished after 3002 ms. (steps per millisecond=7 ) properties seen :0
Running SMT prover for 5 properties.
[2023-03-16 20:15:45] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
[2023-03-16 20:15:45] [INFO ] Invariant cache hit.
[2023-03-16 20:15:45] [INFO ] [Real]Absence check using 13 positive place invariants in 5 ms returned sat
[2023-03-16 20:16:00] [INFO ] After 14256ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:5
[2023-03-16 20:16:00] [INFO ] [Nat]Absence check using 13 positive place invariants in 6 ms returned sat
[2023-03-16 20:16:15] [INFO ] After 15398ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :5
[2023-03-16 20:16:15] [INFO ] State equation strengthened by 268 read => feed constraints.
[2023-03-16 20:16:23] [INFO ] After 8016ms SMT Verify possible using 268 Read/Feed constraints in natural domain returned unsat :0 sat :5
[2023-03-16 20:16:24] [INFO ] Deduced a trap composed of 24 places in 668 ms of which 1 ms to minimize.
0timeout
^^^^^^^^
(error "Invalid token: 0timeout")
[2023-03-16 20:16:27] [INFO ] Deduced a trap composed of 64 places in 2481 ms of which 10 ms to minimize.
java.lang.RuntimeException: SMT solver raised an error when submitting script. Raised (error "Failed to assert expression: java.io.IOException: Stream close...
at fr.lip6.move.gal.structural.smt.SMTUtils.execAndCheckResult(SMTUtils.java:251)
at fr.lip6.move.gal.structural.smt.DeadlockTester.refineWithTraps(DeadlockTester.java:1255)
at fr.lip6.move.gal.structural.smt.DeadlockTester.refineResultsWithTraps(DeadlockTester.java:736)
at fr.lip6.move.gal.structural.smt.DeadlockTester.verifyPossible(DeadlockTester.java:656)
at fr.lip6.move.gal.structural.smt.DeadlockTester.testUnreachableWithSMTIncremental(DeadlockTester.java:350)
at fr.lip6.move.gal.structural.smt.DeadlockTester.testUnreachableWithSMT(DeadlockTester.java:223)
at fr.lip6.move.gal.application.solver.ReachabilitySolver.applyReductions(ReachabilitySolver.java:95)
at fr.lip6.move.gal.application.solver.ltl.LTLPropertySolver.addInvarianceKnowledge(LTLPropertySolver.java:701)
at fr.lip6.move.gal.application.solver.ltl.LTLPropertySolver.applyKnowledgeBasedReductions(LTLPropertySolver.java:568)
at fr.lip6.move.gal.application.solver.ltl.LTLPropertySolver.checkLTLProperty(LTLPropertySolver.java:251)
at fr.lip6.move.gal.application.solver.ltl.LTLPropertySolver.runStutteringLTLTest(LTLPropertySolver.java:225)
at fr.lip6.move.gal.application.solver.ltl.LTLPropertySolver.runStructuralLTLCheck(LTLPropertySolver.java:76)
at fr.lip6.move.gal.application.Application.startNoEx(Application.java:762)
at fr.lip6.move.gal.application.Application.start(Application.java:178)
at fr.lip6.move.gal.itscl.application.Application.start(Application.java:45)
at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:203)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:136)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:104)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:402)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:255)
at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:77)
at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.base/java.lang.reflect.Method.invoke(Method.java:568)
at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:659)
at org.eclipse.equinox.launcher.Main.basicRun(Main.java:596)
at org.eclipse.equinox.launcher.Main.run(Main.java:1467)
at org.eclipse.equinox.launcher.Main.main(Main.java:1440)
[2023-03-16 20:16:27] [WARNING] SMT solver failed with error :SMT solver raised an error when submitting script.... while checking expressions.
[2023-03-16 20:16:27] [INFO ] After 27537ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :0 real:5
Parikh walk visited 0 properties in 24 ms.
Support contains 8 out of 626 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 626/626 places, 31352/31352 transitions.
Applied a total of 0 rules in 151 ms. Remains 626 /626 variables (removed 0) and now considering 31352/31352 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 151 ms. Remains : 626/626 places, 31352/31352 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 626/626 places, 31352/31352 transitions.
Applied a total of 0 rules in 148 ms. Remains 626 /626 variables (removed 0) and now considering 31352/31352 (removed 0) transitions.
[2023-03-16 20:16:27] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
[2023-03-16 20:16:27] [INFO ] Invariant cache hit.
[2023-03-16 20:16:29] [INFO ] Implicit Places using invariants in 1950 ms returned []
Implicit Place search using SMT only with invariants took 1956 ms to find 0 implicit places.
[2023-03-16 20:16:29] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
[2023-03-16 20:16:29] [INFO ] Invariant cache hit.
[2023-03-16 20:16:39] [INFO ] Dead Transitions using invariants and state equation in 9421 ms found 0 transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 11530 ms. Remains : 626/626 places, 31352/31352 transitions.
Knowledge obtained : [(AND (NOT p0) p1 p2 p3), (X (NOT (AND (NOT p2) (NOT p1) p3))), (X (NOT (AND p2 (NOT p1) p3))), (X (NOT (AND p2 (NOT p1) (NOT p3)))), (X (NOT (AND (NOT p2) (NOT p1) (NOT p3)))), (X (X (NOT (AND (NOT p2) (NOT p1) p3)))), (X (X (NOT (AND p2 (NOT p1) p3)))), (X (X (NOT (AND p2 (NOT p1) (NOT p3))))), (X (X (NOT (AND (NOT p2) (NOT p1) (NOT p3)))))]
False Knowledge obtained : []
Knowledge based reduction with 9 factoid took 444 ms. Reduced automaton from 2 states, 6 edges and 4 AP (stutter insensitive) to 2 states, 6 edges and 4 AP (stutter insensitive).
Stuttering acceptance computed with spot in 88 ms :[(AND (NOT p1) (NOT p0) (NOT p2) (NOT p3)), (AND (NOT p1) (NOT p2) (NOT p3))]
Stuttering acceptance computed with spot in 70 ms :[(AND (NOT p1) (NOT p0) (NOT p2) (NOT p3)), (AND (NOT p1) (NOT p2) (NOT p3))]
Support contains 8 out of 626 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 626/626 places, 31352/31352 transitions.
Applied a total of 0 rules in 166 ms. Remains 626 /626 variables (removed 0) and now considering 31352/31352 (removed 0) transitions.
[2023-03-16 20:16:40] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
[2023-03-16 20:16:40] [INFO ] Invariant cache hit.
[2023-03-16 20:16:41] [INFO ] Implicit Places using invariants in 1805 ms returned []
Implicit Place search using SMT only with invariants took 1817 ms to find 0 implicit places.
[2023-03-16 20:16:42] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
[2023-03-16 20:16:42] [INFO ] Invariant cache hit.
[2023-03-16 20:16:51] [INFO ] Dead Transitions using invariants and state equation in 9354 ms found 0 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 11357 ms. Remains : 626/626 places, 31352/31352 transitions.
Computed a total of 0 stabilizing places and 0 stable transitions
Computed a total of 0 stabilizing places and 0 stable transitions
Knowledge obtained : [(AND p1 (NOT p0) p2 p3), (X (NOT (AND (NOT p1) p2 (NOT p3)))), (X (NOT (AND (NOT p1) (NOT p2) (NOT p3)))), (X (NOT (AND (NOT p1) (NOT p2) p3))), (X (NOT (AND (NOT p1) p2 p3))), (X (X (NOT (AND (NOT p1) p2 (NOT p3))))), (X (X (NOT (AND (NOT p1) (NOT p2) (NOT p3))))), (X (X (NOT (AND (NOT p1) (NOT p2) p3)))), (X (X (NOT (AND (NOT p1) p2 p3))))]
False Knowledge obtained : []
Knowledge based reduction with 9 factoid took 495 ms. Reduced automaton from 2 states, 6 edges and 4 AP (stutter insensitive) to 2 states, 6 edges and 4 AP (stutter insensitive).
Stuttering acceptance computed with spot in 64 ms :[(AND (NOT p1) (NOT p0) (NOT p2) (NOT p3)), (AND (NOT p1) (NOT p2) (NOT p3))]
Incomplete random walk after 10000 steps, including 2 resets, run finished after 361 ms. (steps per millisecond=27 ) properties (out of 5) seen :2
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 27 ms. (steps per millisecond=370 ) properties (out of 3) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 27 ms. (steps per millisecond=370 ) properties (out of 3) 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 3) seen :0
Running SMT prover for 3 properties.
[2023-03-16 20:16:52] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
[2023-03-16 20:16:52] [INFO ] Invariant cache hit.
[2023-03-16 20:16:52] [INFO ] [Real]Absence check using 13 positive place invariants in 8 ms returned sat
[2023-03-16 20:17:05] [INFO ] After 12986ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:3
[2023-03-16 20:17:05] [INFO ] [Nat]Absence check using 13 positive place invariants in 5 ms returned sat
[2023-03-16 20:17:19] [INFO ] After 13958ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :3
[2023-03-16 20:17:19] [INFO ] State equation strengthened by 268 read => feed constraints.
[2023-03-16 20:17:27] [INFO ] After 7210ms SMT Verify possible using 268 Read/Feed constraints in natural domain returned unsat :0 sat :3
[2023-03-16 20:17:27] [INFO ] Deduced a trap composed of 24 places in 298 ms of which 1 ms to minimize.
[2023-03-16 20:17:28] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 1159 ms
[2023-03-16 20:17:29] [INFO ] Deduced a trap composed of 40 places in 367 ms of which 1 ms to minimize.
[2023-03-16 20:17:30] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 1227 ms
[2023-03-16 20:17:33] [INFO ] Deduced a trap composed of 64 places in 2468 ms of which 0 ms to minimize.
java.lang.RuntimeException: SMT solver raised an error when submitting script. Raised (error "Failed to assert expression: java.io.IOException: Stream close...
at fr.lip6.move.gal.structural.smt.SMTUtils.execAndCheckResult(SMTUtils.java:251)
at fr.lip6.move.gal.structural.smt.DeadlockTester.refineWithTraps(DeadlockTester.java:1255)
at fr.lip6.move.gal.structural.smt.DeadlockTester.refineResultsWithTraps(DeadlockTester.java:736)
at fr.lip6.move.gal.structural.smt.DeadlockTester.verifyPossible(DeadlockTester.java:656)
at fr.lip6.move.gal.structural.smt.DeadlockTester.testUnreachableWithSMTIncremental(DeadlockTester.java:350)
at fr.lip6.move.gal.structural.smt.DeadlockTester.testUnreachableWithSMT(DeadlockTester.java:223)
at fr.lip6.move.gal.application.solver.ReachabilitySolver.applyReductions(ReachabilitySolver.java:95)
at fr.lip6.move.gal.application.solver.ltl.LTLPropertySolver.addInvarianceKnowledge(LTLPropertySolver.java:701)
at fr.lip6.move.gal.application.solver.ltl.LTLPropertySolver.applyKnowledgeBasedReductions(LTLPropertySolver.java:568)
at fr.lip6.move.gal.application.solver.ltl.LTLPropertySolver.checkLTLProperty(LTLPropertySolver.java:261)
at fr.lip6.move.gal.application.solver.ltl.LTLPropertySolver.runStutteringLTLTest(LTLPropertySolver.java:225)
at fr.lip6.move.gal.application.solver.ltl.LTLPropertySolver.runStructuralLTLCheck(LTLPropertySolver.java:76)
at fr.lip6.move.gal.application.Application.startNoEx(Application.java:762)
at fr.lip6.move.gal.application.Application.start(Application.java:178)
at fr.lip6.move.gal.itscl.application.Application.start(Application.java:45)
at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:203)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:136)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:104)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:402)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:255)
at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:77)
at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.base/java.lang.reflect.Method.invoke(Method.java:568)
at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:659)
at org.eclipse.equinox.launcher.Main.basicRun(Main.java:596)
at org.eclipse.equinox.launcher.Main.run(Main.java:1467)
at org.eclipse.equinox.launcher.Main.main(Main.java:1440)
[2023-03-16 20:17:33] [WARNING] SMT solver failed with error :SMT solver raised an error when submitting script.... while checking expressions.
[2023-03-16 20:17:33] [INFO ] After 27500ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :0 real:3
Parikh walk visited 0 properties in 12 ms.
Support contains 6 out of 626 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 626/626 places, 31352/31352 transitions.
Applied a total of 0 rules in 175 ms. Remains 626 /626 variables (removed 0) and now considering 31352/31352 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 176 ms. Remains : 626/626 places, 31352/31352 transitions.
Incomplete random walk after 10000 steps, including 2 resets, run finished after 448 ms. (steps per millisecond=22 ) properties (out of 3) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 28 ms. (steps per millisecond=357 ) properties (out of 3) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 29 ms. (steps per millisecond=344 ) properties (out of 3) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 29 ms. (steps per millisecond=344 ) properties (out of 3) seen :0
Interrupted probabilistic random walk after 23159 steps, run timeout after 3002 ms. (steps per millisecond=7 ) properties seen :{}
Probabilistic random walk after 23159 steps, saw 20967 distinct states, run finished after 3002 ms. (steps per millisecond=7 ) properties seen :0
Running SMT prover for 3 properties.
[2023-03-16 20:17:36] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
[2023-03-16 20:17:36] [INFO ] Invariant cache hit.
[2023-03-16 20:17:37] [INFO ] [Real]Absence check using 13 positive place invariants in 7 ms returned sat
[2023-03-16 20:17:49] [INFO ] After 12697ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:3
[2023-03-16 20:17:49] [INFO ] [Nat]Absence check using 13 positive place invariants in 6 ms returned sat
[2023-03-16 20:18:03] [INFO ] After 13997ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :3
[2023-03-16 20:18:03] [INFO ] State equation strengthened by 268 read => feed constraints.
[2023-03-16 20:18:10] [INFO ] After 6843ms SMT Verify possible using 268 Read/Feed constraints in natural domain returned unsat :0 sat :3
[2023-03-16 20:18:11] [INFO ] Deduced a trap composed of 24 places in 285 ms of which 0 ms to minimize.
[2023-03-16 20:18:11] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 1034 ms
[2023-03-16 20:18:13] [INFO ] Deduced a trap composed of 40 places in 352 ms of which 1 ms to minimize.
[2023-03-16 20:18:13] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 1092 ms
[2023-03-16 20:18:14] [INFO ] After 10616ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :3
Attempting to minimize the solution found.
Minimization took 209 ms.
[2023-03-16 20:18:14] [INFO ] After 25032ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :2
Parikh walk visited 0 properties in 11 ms.
Support contains 6 out of 626 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 626/626 places, 31352/31352 transitions.
Applied a total of 0 rules in 147 ms. Remains 626 /626 variables (removed 0) and now considering 31352/31352 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 147 ms. Remains : 626/626 places, 31352/31352 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 626/626 places, 31352/31352 transitions.
Applied a total of 0 rules in 146 ms. Remains 626 /626 variables (removed 0) and now considering 31352/31352 (removed 0) transitions.
[2023-03-16 20:18:14] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
[2023-03-16 20:18:15] [INFO ] Invariant cache hit.
[2023-03-16 20:18:16] [INFO ] Implicit Places using invariants in 1792 ms returned []
Implicit Place search using SMT only with invariants took 1813 ms to find 0 implicit places.
[2023-03-16 20:18:16] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
[2023-03-16 20:18:16] [INFO ] Invariant cache hit.
[2023-03-16 20:18:26] [INFO ] Dead Transitions using invariants and state equation in 9320 ms found 0 transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 11286 ms. Remains : 626/626 places, 31352/31352 transitions.
Ensure Unique test removed 13027 transitions
Reduce isomorphic transitions removed 13027 transitions.
Iterating post reduction 0 with 13027 rules applied. Total rules applied 13027 place count 626 transition count 18325
Applied a total of 13027 rules in 549 ms. Remains 626 /626 variables (removed 0) and now considering 18325/31352 (removed 13027) transitions.
Running SMT prover for 3 properties.
// Phase 1: matrix 18325 rows 626 cols
[2023-03-16 20:18:26] [INFO ] Computed 13 place invariants in 39 ms
[2023-03-16 20:18:26] [INFO ] [Real]Absence check using 13 positive place invariants in 7 ms returned sat
[2023-03-16 20:18:41] [INFO ] After 14977ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:3
[2023-03-16 20:18:41] [INFO ] [Nat]Absence check using 13 positive place invariants in 6 ms returned sat
[2023-03-16 20:18:59] [INFO ] After 17458ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :3
[2023-03-16 20:19:02] [INFO ] After 20253ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :3
Attempting to minimize the solution found.
Minimization took 1899 ms.
[2023-03-16 20:19:04] [INFO ] After 22273ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :3
Knowledge obtained : [(AND p1 (NOT p0) p2 p3), (X (NOT (AND (NOT p1) p2 (NOT p3)))), (X (NOT (AND (NOT p1) (NOT p2) (NOT p3)))), (X (NOT (AND (NOT p1) (NOT p2) p3))), (X (NOT (AND (NOT p1) p2 p3))), (X (X (NOT (AND (NOT p1) p2 (NOT p3))))), (X (X (NOT (AND (NOT p1) (NOT p2) (NOT p3))))), (X (X (NOT (AND (NOT p1) (NOT p2) p3)))), (X (X (NOT (AND (NOT p1) p2 p3))))]
False Knowledge obtained : [(F (AND (NOT p1) (NOT p0))), (F (AND (NOT p1) p2 p3))]
Knowledge based reduction with 9 factoid took 368 ms. Reduced automaton from 2 states, 6 edges and 4 AP (stutter insensitive) to 2 states, 6 edges and 4 AP (stutter insensitive).
Stuttering acceptance computed with spot in 73 ms :[(AND (NOT p1) (NOT p0) (NOT p2) (NOT p3)), (AND (NOT p1) (NOT p2) (NOT p3))]
Stuttering acceptance computed with spot in 72 ms :[(AND (NOT p1) (NOT p0) (NOT p2) (NOT p3)), (AND (NOT p1) (NOT p2) (NOT p3))]
Stuttering acceptance computed with spot in 68 ms :[(AND (NOT p1) (NOT p0) (NOT p2) (NOT p3)), (AND (NOT p1) (NOT p2) (NOT p3))]
Product exploration explored 100000 steps with 7 reset in 3208 ms.
Product exploration explored 100000 steps with 5 reset in 3173 ms.
Support contains 8 out of 626 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 626/626 places, 31352/31352 transitions.
Applied a total of 0 rules in 147 ms. Remains 626 /626 variables (removed 0) and now considering 31352/31352 (removed 0) transitions.
[2023-03-16 20:19:11] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
// Phase 1: matrix 18325 rows 626 cols
[2023-03-16 20:19:11] [INFO ] Computed 13 place invariants in 48 ms
[2023-03-16 20:19:13] [INFO ] Implicit Places using invariants in 1986 ms returned []
Implicit Place search using SMT only with invariants took 1986 ms to find 0 implicit places.
[2023-03-16 20:19:13] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
[2023-03-16 20:19:13] [INFO ] Invariant cache hit.
[2023-03-16 20:19:22] [INFO ] Dead Transitions using invariants and state equation in 9129 ms found 0 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 11264 ms. Remains : 626/626 places, 31352/31352 transitions.
Treatment of property RERS17pb113-PT-6-LTLFireability-08 finished in 289464 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))||X(G(p1))))'
Support contains 4 out of 627 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 627/627 places, 31353/31353 transitions.
Applied a total of 0 rules in 69 ms. Remains 627 /627 variables (removed 0) and now considering 31353/31353 (removed 0) transitions.
[2023-03-16 20:19:23] [INFO ] Flow matrix only has 18326 transitions (discarded 13027 similar events)
// Phase 1: matrix 18326 rows 627 cols
[2023-03-16 20:19:23] [INFO ] Computed 13 place invariants in 91 ms
[2023-03-16 20:19:25] [INFO ] Implicit Places using invariants in 2024 ms returned []
Implicit Place search using SMT only with invariants took 2025 ms to find 0 implicit places.
[2023-03-16 20:19:25] [INFO ] Flow matrix only has 18326 transitions (discarded 13027 similar events)
[2023-03-16 20:19:25] [INFO ] Invariant cache hit.
[2023-03-16 20:19:34] [INFO ] Dead Transitions using invariants and state equation in 8720 ms found 0 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 10814 ms. Remains : 627/627 places, 31353/31353 transitions.
Stuttering acceptance computed with spot in 175 ms :[(OR (NOT p0) (NOT p1)), (NOT p1), (NOT p1), (NOT p1)]
Running random walk in product with property : RERS17pb113-PT-6-LTLFireability-09 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}], [{ cond=p0, acceptance={} source=2 dest: 1}, { cond=(NOT p0), acceptance={} source=2 dest: 3}], [{ cond=(AND (NOT p0) (NOT p1)), acceptance={} source=3 dest: 0}, { cond=p0, acceptance={} source=3 dest: 1}, { cond=(AND (NOT p0) p1), acceptance={} source=3 dest: 3}]], initial=2, aps=[p0:(AND (GEQ s20 1) (GEQ s505 1)), p1:(AND (GEQ s92 1) (GEQ s455 1))], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, deterministic, no-univ-branch, unambiguous, semi-deterministic, stutter-sensitive, weak, inherently-weak], stateDesc=[null, null, null, null][false, false, false, false]]
Product exploration explored 100000 steps with 0 reset in 3915 ms.
Product exploration explored 100000 steps with 0 reset in 4006 ms.
Computed a total of 1 stabilizing places and 1 stable transitions
Computed a total of 1 stabilizing places and 1 stable transitions
Knowledge obtained : [(AND (NOT p0) (NOT p1)), (X (AND (NOT p0) (NOT p1))), (X (NOT (AND p0 (NOT p1)))), (X (NOT (AND (NOT p0) p1))), (X (NOT p0)), (X (X (AND (NOT p0) (NOT p1)))), (X (X (NOT (AND p0 (NOT p1))))), (X (X (NOT p0))), (X (X (NOT (AND (NOT p0) p1))))]
False Knowledge obtained : []
Knowledge based reduction with 9 factoid took 314 ms. Reduced automaton from 4 states, 9 edges and 2 AP (stutter sensitive) to 4 states, 6 edges and 2 AP (stutter sensitive).
Stuttering acceptance computed with spot in 152 ms :[(NOT p1), (OR (NOT p0) (NOT p1)), (OR (NOT p0) (NOT p1)), (OR (NOT p1) (NOT p0))]
Incomplete random walk after 10000 steps, including 2 resets, run finished after 362 ms. (steps per millisecond=27 ) properties (out of 3) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 35 ms. (steps per millisecond=285 ) properties (out of 3) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 33 ms. (steps per millisecond=303 ) properties (out of 3) 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 3) seen :0
Interrupted probabilistic random walk after 24777 steps, run timeout after 3001 ms. (steps per millisecond=8 ) properties seen :{}
Probabilistic random walk after 24777 steps, saw 22401 distinct states, run finished after 3003 ms. (steps per millisecond=8 ) properties seen :0
Running SMT prover for 3 properties.
[2023-03-16 20:19:46] [INFO ] Flow matrix only has 18326 transitions (discarded 13027 similar events)
[2023-03-16 20:19:46] [INFO ] Invariant cache hit.
[2023-03-16 20:19:46] [INFO ] [Real]Absence check using 13 positive place invariants in 6 ms returned sat
[2023-03-16 20:20:07] [INFO ] After 20386ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:3
[2023-03-16 20:20:07] [INFO ] [Nat]Absence check using 13 positive place invariants in 6 ms returned sat
[2023-03-16 20:20:27] [INFO ] After 20758ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :3
[2023-03-16 20:20:28] [INFO ] State equation strengthened by 829 read => feed constraints.
[2023-03-16 20:20:32] [INFO ] After 3985ms SMT Verify possible using 829 Read/Feed constraints in natural domain returned unsat :0 sat :2
[2023-03-16 20:20:32] [INFO ] After 3985ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :2
Attempting to minimize the solution found.
Minimization took 6 ms.
[2023-03-16 20:20:32] [INFO ] After 25035ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :2
Parikh walk visited 0 properties in 13 ms.
Support contains 4 out of 627 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 627/627 places, 31353/31353 transitions.
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 0 with 1 rules applied. Total rules applied 1 place count 626 transition count 31352
Applied a total of 1 rules in 298 ms. Remains 626 /627 variables (removed 1) and now considering 31352/31353 (removed 1) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 299 ms. Remains : 626/627 places, 31352/31353 transitions.
Finished random walk after 2058 steps, including 0 resets, run visited all 3 properties in 79 ms. (steps per millisecond=26 )
Knowledge obtained : [(AND (NOT p0) (NOT p1)), (X (AND (NOT p0) (NOT p1))), (X (NOT (AND p0 (NOT p1)))), (X (NOT (AND (NOT p0) p1))), (X (NOT p0)), (X (X (AND (NOT p0) (NOT p1)))), (X (X (NOT (AND p0 (NOT p1))))), (X (X (NOT p0))), (X (X (NOT (AND (NOT p0) p1))))]
False Knowledge obtained : [(F (AND p0 (NOT p1))), (F p0), (F (NOT (AND (NOT p0) (NOT p1))))]
Knowledge based reduction with 9 factoid took 489 ms. Reduced automaton from 4 states, 6 edges and 2 AP (stutter sensitive) to 4 states, 6 edges and 2 AP (stutter sensitive).
Stuttering acceptance computed with spot in 167 ms :[(NOT p1), (OR (NOT p0) (NOT p1)), (OR (NOT p0) (NOT p1)), (OR (NOT p1) (NOT p0))]
Stuttering acceptance computed with spot in 153 ms :[(NOT p1), (OR (NOT p0) (NOT p1)), (OR (NOT p0) (NOT p1)), (OR (NOT p1) (NOT p0))]
[2023-03-16 20:20:33] [INFO ] Flow matrix only has 18326 transitions (discarded 13027 similar events)
[2023-03-16 20:20:33] [INFO ] Invariant cache hit.
Could not prove EG (NOT p1)
[2023-03-16 20:20:48] [INFO ] Flow matrix only has 18326 transitions (discarded 13027 similar events)
[2023-03-16 20:20:48] [INFO ] Invariant cache hit.
Could not prove EG (NOT p0)
Support contains 4 out of 627 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 627/627 places, 31353/31353 transitions.
Applied a total of 0 rules in 69 ms. Remains 627 /627 variables (removed 0) and now considering 31353/31353 (removed 0) transitions.
[2023-03-16 20:21:03] [INFO ] Flow matrix only has 18326 transitions (discarded 13027 similar events)
[2023-03-16 20:21:03] [INFO ] Invariant cache hit.
[2023-03-16 20:21:05] [INFO ] Implicit Places using invariants in 1791 ms returned []
Implicit Place search using SMT only with invariants took 1802 ms to find 0 implicit places.
[2023-03-16 20:21:05] [INFO ] Flow matrix only has 18326 transitions (discarded 13027 similar events)
[2023-03-16 20:21:05] [INFO ] Invariant cache hit.
[2023-03-16 20:21:14] [INFO ] Dead Transitions using invariants and state equation in 9102 ms found 0 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 10982 ms. Remains : 627/627 places, 31353/31353 transitions.
Computed a total of 1 stabilizing places and 1 stable transitions
Computed a total of 1 stabilizing places and 1 stable transitions
Knowledge obtained : [(AND (NOT p0) (NOT p1)), (X (X (NOT p0)))]
False Knowledge obtained : []
Knowledge based reduction with 2 factoid took 73 ms. Reduced automaton from 4 states, 6 edges and 2 AP (stutter sensitive) to 4 states, 6 edges and 2 AP (stutter sensitive).
Stuttering acceptance computed with spot in 128 ms :[(NOT p1), (OR (NOT p0) (NOT p1)), (OR (NOT p0) (NOT p1)), (OR (NOT p0) (NOT p1))]
Incomplete random walk after 10000 steps, including 2 resets, run finished after 416 ms. (steps per millisecond=24 ) properties (out of 3) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 34 ms. (steps per millisecond=294 ) properties (out of 3) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 34 ms. (steps per millisecond=294 ) properties (out of 3) 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 3) seen :0
Interrupted probabilistic random walk after 23908 steps, run timeout after 3001 ms. (steps per millisecond=7 ) properties seen :{}
Probabilistic random walk after 23908 steps, saw 21619 distinct states, run finished after 3001 ms. (steps per millisecond=7 ) properties seen :0
Running SMT prover for 3 properties.
[2023-03-16 20:21:18] [INFO ] Flow matrix only has 18326 transitions (discarded 13027 similar events)
[2023-03-16 20:21:18] [INFO ] Invariant cache hit.
[2023-03-16 20:21:18] [INFO ] [Real]Absence check using 13 positive place invariants in 6 ms returned sat
[2023-03-16 20:21:37] [INFO ] After 18594ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:3
[2023-03-16 20:21:37] [INFO ] [Nat]Absence check using 13 positive place invariants in 6 ms returned sat
[2023-03-16 20:21:58] [INFO ] After 21388ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :3
[2023-03-16 20:21:58] [INFO ] State equation strengthened by 829 read => feed constraints.
[2023-03-16 20:22:02] [INFO ] After 3409ms SMT Verify possible using 829 Read/Feed constraints in natural domain returned unsat :0 sat :2
[2023-03-16 20:22:02] [INFO ] After 3410ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :2
Attempting to minimize the solution found.
Minimization took 4 ms.
[2023-03-16 20:22:02] [INFO ] After 25053ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :2
Parikh walk visited 0 properties in 12 ms.
Support contains 4 out of 627 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 627/627 places, 31353/31353 transitions.
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 0 with 1 rules applied. Total rules applied 1 place count 626 transition count 31352
Applied a total of 1 rules in 280 ms. Remains 626 /627 variables (removed 1) and now considering 31352/31353 (removed 1) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 280 ms. Remains : 626/627 places, 31352/31353 transitions.
Incomplete random walk after 10000 steps, including 2 resets, run finished after 366 ms. (steps per millisecond=27 ) properties (out of 3) seen :1
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 28 ms. (steps per millisecond=357 ) properties (out of 2) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 27 ms. (steps per millisecond=370 ) properties (out of 2) seen :0
Running SMT prover for 2 properties.
[2023-03-16 20:22:02] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
// Phase 1: matrix 18325 rows 626 cols
[2023-03-16 20:22:03] [INFO ] Computed 13 place invariants in 48 ms
[2023-03-16 20:22:03] [INFO ] [Real]Absence check using 13 positive place invariants in 6 ms returned sat
[2023-03-16 20:22:22] [INFO ] After 19484ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:2
[2023-03-16 20:22:22] [INFO ] [Nat]Absence check using 13 positive place invariants in 5 ms returned sat
[2023-03-16 20:22:42] [INFO ] After 19535ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :2
[2023-03-16 20:22:42] [INFO ] State equation strengthened by 268 read => feed constraints.
[2023-03-16 20:22:47] [INFO ] After 5303ms SMT Verify possible using 268 Read/Feed constraints in natural domain returned unsat :0 sat :1
[2023-03-16 20:22:47] [INFO ] After 5304ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
Attempting to minimize the solution found.
Minimization took 6 ms.
[2023-03-16 20:22:47] [INFO ] After 25052ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
Parikh walk visited 0 properties in 10 ms.
Support contains 4 out of 626 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 626/626 places, 31352/31352 transitions.
Applied a total of 0 rules in 151 ms. Remains 626 /626 variables (removed 0) and now considering 31352/31352 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 151 ms. Remains : 626/626 places, 31352/31352 transitions.
Finished random walk after 6180 steps, including 1 resets, run visited all 2 properties in 201 ms. (steps per millisecond=30 )
Knowledge obtained : [(AND (NOT p0) (NOT p1)), (X (X (NOT p0)))]
False Knowledge obtained : [(F (AND (NOT p1) p0)), (F p0), (F (NOT (AND (NOT p1) (NOT p0))))]
Knowledge based reduction with 2 factoid took 149 ms. Reduced automaton from 4 states, 6 edges and 2 AP (stutter sensitive) to 4 states, 6 edges and 2 AP (stutter sensitive).
Stuttering acceptance computed with spot in 121 ms :[(NOT p1), (OR (NOT p0) (NOT p1)), (OR (NOT p0) (NOT p1)), (OR (NOT p0) (NOT p1))]
Stuttering acceptance computed with spot in 133 ms :[(NOT p1), (OR (NOT p0) (NOT p1)), (OR (NOT p0) (NOT p1)), (OR (NOT p0) (NOT p1))]
[2023-03-16 20:22:48] [INFO ] Flow matrix only has 18326 transitions (discarded 13027 similar events)
// Phase 1: matrix 18326 rows 627 cols
[2023-03-16 20:22:48] [INFO ] Computed 13 place invariants in 49 ms
Could not prove EG (NOT p0)
[2023-03-16 20:23:03] [INFO ] Flow matrix only has 18326 transitions (discarded 13027 similar events)
[2023-03-16 20:23:03] [INFO ] Invariant cache hit.
Could not prove EG (NOT p1)
Stuttering acceptance computed with spot in 140 ms :[(NOT p1), (OR (NOT p0) (NOT p1)), (OR (NOT p0) (NOT p1)), (OR (NOT p0) (NOT p1))]
Product exploration explored 100000 steps with 0 reset in 3009 ms.
Product exploration explored 100000 steps with 0 reset in 3130 ms.
Support contains 4 out of 627 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 627/627 places, 31353/31353 transitions.
Applied a total of 0 rules in 66 ms. Remains 627 /627 variables (removed 0) and now considering 31353/31353 (removed 0) transitions.
[2023-03-16 20:23:25] [INFO ] Flow matrix only has 18326 transitions (discarded 13027 similar events)
[2023-03-16 20:23:25] [INFO ] Invariant cache hit.
[2023-03-16 20:23:26] [INFO ] Implicit Places using invariants in 1820 ms returned []
Implicit Place search using SMT only with invariants took 1832 ms to find 0 implicit places.
[2023-03-16 20:23:26] [INFO ] Flow matrix only has 18326 transitions (discarded 13027 similar events)
[2023-03-16 20:23:26] [INFO ] Invariant cache hit.
[2023-03-16 20:23:36] [INFO ] Dead Transitions using invariants and state equation in 9281 ms found 0 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 11199 ms. Remains : 627/627 places, 31353/31353 transitions.
Treatment of property RERS17pb113-PT-6-LTLFireability-09 finished in 253863 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||G(p1))))'
Support contains 4 out of 627 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 627/627 places, 31353/31353 transitions.
Applied a total of 0 rules in 70 ms. Remains 627 /627 variables (removed 0) and now considering 31353/31353 (removed 0) transitions.
[2023-03-16 20:23:37] [INFO ] Flow matrix only has 18326 transitions (discarded 13027 similar events)
[2023-03-16 20:23:37] [INFO ] Invariant cache hit.
[2023-03-16 20:23:39] [INFO ] Implicit Places using invariants in 1911 ms returned []
Implicit Place search using SMT only with invariants took 1916 ms to find 0 implicit places.
[2023-03-16 20:23:39] [INFO ] Flow matrix only has 18326 transitions (discarded 13027 similar events)
[2023-03-16 20:23:39] [INFO ] Invariant cache hit.
[2023-03-16 20:23:48] [INFO ] Dead Transitions using invariants and state equation in 9586 ms found 0 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 11593 ms. Remains : 627/627 places, 31353/31353 transitions.
Stuttering acceptance computed with spot in 107 ms :[true, (AND (NOT p1) (NOT p0)), (NOT p1), (AND (NOT p1) (NOT p0))]
Running random walk in product with property : RERS17pb113-PT-6-LTLFireability-10 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}]], initial=1, aps=[p1:(OR (AND (OR (LT s149 1) (LT s524 1)) (OR (LT s39 1) (LT s94 1))) (LT s39 1) (LT s94 1)), p0:(AND (GEQ s149 1) (GEQ s524 1))], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, deterministic, no-univ-branch, unambiguous, semi-deterministic, stutter-sensitive, terminal, very-weak, weak, inherently-weak], stateDesc=[null, null, null, null][false, false, false, false]]
Entered a terminal (fully accepting) state of product in 30344 steps with 0 reset in 929 ms.
FORMULA RERS17pb113-PT-6-LTLFireability-10 FALSE TECHNIQUES STUTTER_TEST
Treatment of property RERS17pb113-PT-6-LTLFireability-10 finished in 12742 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202303021504/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(G(p0))'
Support contains 2 out of 627 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 627/627 places, 31353/31353 transitions.
Reduce places removed 1 places and 1 transitions.
Applied a total of 0 rules in 161 ms. Remains 626 /627 variables (removed 1) and now considering 31352/31353 (removed 1) transitions.
[2023-03-16 20:23:50] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
// Phase 1: matrix 18325 rows 626 cols
[2023-03-16 20:23:50] [INFO ] Computed 13 place invariants in 41 ms
[2023-03-16 20:23:52] [INFO ] Implicit Places using invariants in 1843 ms returned []
Implicit Place search using SMT only with invariants took 1846 ms to find 0 implicit places.
[2023-03-16 20:23:52] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
[2023-03-16 20:23:52] [INFO ] Invariant cache hit.
[2023-03-16 20:24:01] [INFO ] Dead Transitions using invariants and state equation in 9466 ms found 0 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 11492 ms. Remains : 626/627 places, 31352/31353 transitions.
Stuttering acceptance computed with spot in 39 ms :[true, (NOT p0)]
Running random walk in product with property : RERS17pb113-PT-6-LTLFireability-11 automaton TGBA Formula[mat=[[{ cond=true, acceptance={0} source=0 dest: 0}], [{ cond=(NOT p0), acceptance={} source=1 dest: 0}, { cond=p0, acceptance={} source=1 dest: 1}]], initial=1, aps=[p0:(OR (LT s525 1) (LT s573 1))], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, complete, deterministic, no-univ-branch, unambiguous, semi-deterministic, stutter-invariant, terminal, very-weak, weak, inherently-weak], stateDesc=[null, null][true, true]]
Product exploration explored 100000 steps with 0 reset in 3068 ms.
Product exploration explored 100000 steps with 0 reset in 3174 ms.
Computed a total of 0 stabilizing places and 0 stable transitions
Computed a total of 0 stabilizing places and 0 stable transitions
Knowledge obtained : [p0, (X p0), true, (X (X p0))]
False Knowledge obtained : []
Knowledge based reduction with 4 factoid took 140 ms. Reduced automaton from 2 states, 3 edges and 1 AP (stutter insensitive) to 2 states, 3 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 43 ms :[true, (NOT p0)]
Incomplete random walk after 10000 steps, including 2 resets, run finished after 267 ms. (steps per millisecond=37 ) properties (out of 1) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 23 ms. (steps per millisecond=434 ) properties (out of 1) seen :0
Interrupted probabilistic random walk after 25233 steps, run timeout after 3001 ms. (steps per millisecond=8 ) properties seen :{}
Probabilistic random walk after 25233 steps, saw 22812 distinct states, run finished after 3001 ms. (steps per millisecond=8 ) properties seen :0
Running SMT prover for 1 properties.
[2023-03-16 20:24:11] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
[2023-03-16 20:24:11] [INFO ] Invariant cache hit.
[2023-03-16 20:24:11] [INFO ] [Real]Absence check using 13 positive place invariants in 5 ms returned sat
[2023-03-16 20:24:27] [INFO ] After 16012ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
[2023-03-16 20:24:27] [INFO ] [Nat]Absence check using 13 positive place invariants in 5 ms returned sat
[2023-03-16 20:24:44] [INFO ] After 16422ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
[2023-03-16 20:24:44] [INFO ] State equation strengthened by 268 read => feed constraints.
[2023-03-16 20:24:51] [INFO ] After 7753ms SMT Verify possible using 268 Read/Feed constraints in natural domain returned unsat :0 sat :1
[2023-03-16 20:24:52] [INFO ] Deduced a trap composed of 48 places in 470 ms of which 1 ms to minimize.
java.lang.RuntimeException: SMT solver raised an error when submitting script. Raised (error "Failed to assert expression: java.io.IOException: Stream close...
at fr.lip6.move.gal.structural.smt.SMTUtils.execAndCheckResult(SMTUtils.java:251)
at fr.lip6.move.gal.structural.smt.DeadlockTester.refineWithTraps(DeadlockTester.java:1255)
at fr.lip6.move.gal.structural.smt.DeadlockTester.refineResultsWithTraps(DeadlockTester.java:736)
at fr.lip6.move.gal.structural.smt.DeadlockTester.verifyPossible(DeadlockTester.java:656)
at fr.lip6.move.gal.structural.smt.DeadlockTester.testUnreachableWithSMTIncremental(DeadlockTester.java:350)
at fr.lip6.move.gal.structural.smt.DeadlockTester.testUnreachableWithSMT(DeadlockTester.java:223)
at fr.lip6.move.gal.application.solver.ReachabilitySolver.applyReductions(ReachabilitySolver.java:95)
at fr.lip6.move.gal.application.solver.ltl.LTLPropertySolver.addInvarianceKnowledge(LTLPropertySolver.java:701)
at fr.lip6.move.gal.application.solver.ltl.LTLPropertySolver.applyKnowledgeBasedReductions(LTLPropertySolver.java:568)
at fr.lip6.move.gal.application.solver.ltl.LTLPropertySolver.checkLTLProperty(LTLPropertySolver.java:251)
at fr.lip6.move.gal.application.solver.ltl.LTLPropertySolver.runStutteringLTLTest(LTLPropertySolver.java:225)
at fr.lip6.move.gal.application.solver.ltl.LTLPropertySolver.runStructuralLTLCheck(LTLPropertySolver.java:76)
at fr.lip6.move.gal.application.Application.startNoEx(Application.java:762)
at fr.lip6.move.gal.application.Application.start(Application.java:178)
at fr.lip6.move.gal.itscl.application.Application.start(Application.java:45)
at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:203)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:136)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:104)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:402)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:255)
at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:77)
at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.base/java.lang.reflect.Method.invoke(Method.java:568)
at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:659)
at org.eclipse.equinox.launcher.Main.basicRun(Main.java:596)
at org.eclipse.equinox.launcher.Main.run(Main.java:1467)
at org.eclipse.equinox.launcher.Main.main(Main.java:1440)
[2023-03-16 20:24:52] [WARNING] SMT solver failed with error :SMT solver raised an error when submitting script.... while checking expressions.
[2023-03-16 20:24:52] [INFO ] After 25299ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :0 real:1
Parikh walk visited 0 properties in 4 ms.
Support contains 2 out of 626 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 626/626 places, 31352/31352 transitions.
Applied a total of 0 rules in 146 ms. Remains 626 /626 variables (removed 0) and now considering 31352/31352 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 146 ms. Remains : 626/626 places, 31352/31352 transitions.
Incomplete random walk after 10000 steps, including 2 resets, run finished after 304 ms. (steps per millisecond=32 ) properties (out of 1) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 23 ms. (steps per millisecond=434 ) properties (out of 1) seen :0
Interrupted probabilistic random walk after 24693 steps, run timeout after 3001 ms. (steps per millisecond=8 ) properties seen :{}
Probabilistic random walk after 24693 steps, saw 22338 distinct states, run finished after 3001 ms. (steps per millisecond=8 ) properties seen :0
Running SMT prover for 1 properties.
[2023-03-16 20:24:56] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
[2023-03-16 20:24:56] [INFO ] Invariant cache hit.
[2023-03-16 20:24:56] [INFO ] [Real]Absence check using 13 positive place invariants in 5 ms returned sat
[2023-03-16 20:25:13] [INFO ] After 17022ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
[2023-03-16 20:25:13] [INFO ] [Nat]Absence check using 13 positive place invariants in 5 ms returned sat
[2023-03-16 20:25:31] [INFO ] After 17666ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
[2023-03-16 20:25:31] [INFO ] State equation strengthened by 268 read => feed constraints.
[2023-03-16 20:25:38] [INFO ] After 7159ms SMT Verify possible using 268 Read/Feed constraints in natural domain returned unsat :0 sat :0
[2023-03-16 20:25:38] [INFO ] After 25031ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :0
Parikh walk visited 0 properties in 7 ms.
Support contains 2 out of 626 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 626/626 places, 31352/31352 transitions.
Applied a total of 0 rules in 166 ms. Remains 626 /626 variables (removed 0) and now considering 31352/31352 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 166 ms. Remains : 626/626 places, 31352/31352 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 626/626 places, 31352/31352 transitions.
Applied a total of 0 rules in 160 ms. Remains 626 /626 variables (removed 0) and now considering 31352/31352 (removed 0) transitions.
[2023-03-16 20:25:38] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
[2023-03-16 20:25:38] [INFO ] Invariant cache hit.
[2023-03-16 20:25:40] [INFO ] Implicit Places using invariants in 1836 ms returned []
Implicit Place search using SMT only with invariants took 1865 ms to find 0 implicit places.
[2023-03-16 20:25:40] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
[2023-03-16 20:25:40] [INFO ] Invariant cache hit.
[2023-03-16 20:25:50] [INFO ] Dead Transitions using invariants and state equation in 9545 ms found 0 transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 11587 ms. Remains : 626/626 places, 31352/31352 transitions.
Knowledge obtained : [p0, (X p0), true, (X (X p0))]
False Knowledge obtained : []
Knowledge based reduction with 4 factoid took 143 ms. Reduced automaton from 2 states, 3 edges and 1 AP (stutter insensitive) to 2 states, 3 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 39 ms :[true, (NOT p0)]
Stuttering acceptance computed with spot in 43 ms :[true, (NOT p0)]
Support contains 2 out of 626 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 626/626 places, 31352/31352 transitions.
Applied a total of 0 rules in 159 ms. Remains 626 /626 variables (removed 0) and now considering 31352/31352 (removed 0) transitions.
[2023-03-16 20:25:50] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
[2023-03-16 20:25:50] [INFO ] Invariant cache hit.
[2023-03-16 20:25:52] [INFO ] Implicit Places using invariants in 1856 ms returned []
Implicit Place search using SMT only with invariants took 1865 ms to find 0 implicit places.
[2023-03-16 20:25:52] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
[2023-03-16 20:25:52] [INFO ] Invariant cache hit.
[2023-03-16 20:26:01] [INFO ] Dead Transitions using invariants and state equation in 9385 ms found 0 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 11435 ms. Remains : 626/626 places, 31352/31352 transitions.
Computed a total of 0 stabilizing places and 0 stable transitions
Computed a total of 0 stabilizing places and 0 stable transitions
Knowledge obtained : [p0, (X p0), true, (X (X p0))]
False Knowledge obtained : []
Knowledge based reduction with 4 factoid took 135 ms. Reduced automaton from 2 states, 3 edges and 1 AP (stutter insensitive) to 2 states, 3 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 45 ms :[true, (NOT p0)]
Incomplete random walk after 10000 steps, including 2 resets, run finished after 275 ms. (steps per millisecond=36 ) properties (out of 1) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 24 ms. (steps per millisecond=416 ) properties (out of 1) seen :0
Interrupted probabilistic random walk after 24468 steps, run timeout after 3001 ms. (steps per millisecond=8 ) properties seen :{}
Probabilistic random walk after 24468 steps, saw 22135 distinct states, run finished after 3001 ms. (steps per millisecond=8 ) properties seen :0
Running SMT prover for 1 properties.
[2023-03-16 20:26:05] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
[2023-03-16 20:26:05] [INFO ] Invariant cache hit.
[2023-03-16 20:26:05] [INFO ] [Real]Absence check using 13 positive place invariants in 5 ms returned sat
[2023-03-16 20:26:22] [INFO ] After 16373ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
[2023-03-16 20:26:22] [INFO ] [Nat]Absence check using 13 positive place invariants in 5 ms returned sat
[2023-03-16 20:26:38] [INFO ] After 16785ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
[2023-03-16 20:26:39] [INFO ] State equation strengthened by 268 read => feed constraints.
[2023-03-16 20:26:47] [INFO ] After 7978ms SMT Verify possible using 268 Read/Feed constraints in natural domain returned unsat :0 sat :1
[2023-03-16 20:26:47] [INFO ] After 8060ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :0
[2023-03-16 20:26:47] [INFO ] After 25040ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :0
Parikh walk visited 0 properties in 6 ms.
Support contains 2 out of 626 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 626/626 places, 31352/31352 transitions.
Applied a total of 0 rules in 154 ms. Remains 626 /626 variables (removed 0) and now considering 31352/31352 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 154 ms. Remains : 626/626 places, 31352/31352 transitions.
Incomplete random walk after 10000 steps, including 2 resets, run finished after 293 ms. (steps per millisecond=34 ) properties (out of 1) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 28 ms. (steps per millisecond=357 ) properties (out of 1) seen :0
Interrupted probabilistic random walk after 24063 steps, run timeout after 3002 ms. (steps per millisecond=8 ) properties seen :{}
Probabilistic random walk after 24063 steps, saw 21769 distinct states, run finished after 3002 ms. (steps per millisecond=8 ) properties seen :0
Running SMT prover for 1 properties.
[2023-03-16 20:26:50] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
[2023-03-16 20:26:50] [INFO ] Invariant cache hit.
[2023-03-16 20:26:50] [INFO ] [Real]Absence check using 13 positive place invariants in 5 ms returned sat
[2023-03-16 20:27:07] [INFO ] After 16357ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
[2023-03-16 20:27:07] [INFO ] [Nat]Absence check using 13 positive place invariants in 6 ms returned sat
[2023-03-16 20:27:24] [INFO ] After 16877ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
[2023-03-16 20:27:24] [INFO ] State equation strengthened by 268 read => feed constraints.
[2023-03-16 20:27:31] [INFO ] After 7887ms SMT Verify possible using 268 Read/Feed constraints in natural domain returned unsat :0 sat :1
[2023-03-16 20:27:32] [INFO ] After 7961ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :0
[2023-03-16 20:27:32] [INFO ] After 25046ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :0
Parikh walk visited 0 properties in 7 ms.
Support contains 2 out of 626 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 626/626 places, 31352/31352 transitions.
Applied a total of 0 rules in 166 ms. Remains 626 /626 variables (removed 0) and now considering 31352/31352 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 166 ms. Remains : 626/626 places, 31352/31352 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 626/626 places, 31352/31352 transitions.
Applied a total of 0 rules in 163 ms. Remains 626 /626 variables (removed 0) and now considering 31352/31352 (removed 0) transitions.
[2023-03-16 20:27:32] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
[2023-03-16 20:27:32] [INFO ] Invariant cache hit.
[2023-03-16 20:27:34] [INFO ] Implicit Places using invariants in 1820 ms returned []
Implicit Place search using SMT only with invariants took 1836 ms to find 0 implicit places.
[2023-03-16 20:27:34] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
[2023-03-16 20:27:34] [INFO ] Invariant cache hit.
[2023-03-16 20:27:43] [INFO ] Dead Transitions using invariants and state equation in 9493 ms found 0 transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 11533 ms. Remains : 626/626 places, 31352/31352 transitions.
Knowledge obtained : [p0, (X p0), true, (X (X p0))]
False Knowledge obtained : []
Knowledge based reduction with 4 factoid took 133 ms. Reduced automaton from 2 states, 3 edges and 1 AP (stutter insensitive) to 2 states, 3 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 47 ms :[true, (NOT p0)]
Stuttering acceptance computed with spot in 41 ms :[true, (NOT p0)]
Stuttering acceptance computed with spot in 41 ms :[true, (NOT p0)]
Product exploration explored 100000 steps with 0 reset in 3152 ms.
Product exploration explored 100000 steps with 0 reset in 3229 ms.
Support contains 2 out of 626 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 626/626 places, 31352/31352 transitions.
Applied a total of 0 rules in 155 ms. Remains 626 /626 variables (removed 0) and now considering 31352/31352 (removed 0) transitions.
[2023-03-16 20:27:50] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
[2023-03-16 20:27:50] [INFO ] Invariant cache hit.
[2023-03-16 20:27:52] [INFO ] Implicit Places using invariants in 1839 ms returned []
Implicit Place search using SMT only with invariants took 1852 ms to find 0 implicit places.
[2023-03-16 20:27:52] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
[2023-03-16 20:27:52] [INFO ] Invariant cache hit.
[2023-03-16 20:28:01] [INFO ] Dead Transitions using invariants and state equation in 9244 ms found 0 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 11254 ms. Remains : 626/626 places, 31352/31352 transitions.
Treatment of property RERS17pb113-PT-6-LTLFireability-11 finished in 252679 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(p1)&&X(p2)&&p0)))'
Support contains 4 out of 627 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 627/627 places, 31353/31353 transitions.
Applied a total of 0 rules in 73 ms. Remains 627 /627 variables (removed 0) and now considering 31353/31353 (removed 0) transitions.
[2023-03-16 20:28:02] [INFO ] Flow matrix only has 18326 transitions (discarded 13027 similar events)
// Phase 1: matrix 18326 rows 627 cols
[2023-03-16 20:28:02] [INFO ] Computed 13 place invariants in 50 ms
[2023-03-16 20:28:04] [INFO ] Implicit Places using invariants in 2052 ms returned []
Implicit Place search using SMT only with invariants took 2055 ms to find 0 implicit places.
[2023-03-16 20:28:05] [INFO ] Flow matrix only has 18326 transitions (discarded 13027 similar events)
[2023-03-16 20:28:05] [INFO ] Invariant cache hit.
[2023-03-16 20:28:14] [INFO ] Dead Transitions using invariants and state equation in 9568 ms found 0 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 11711 ms. Remains : 627/627 places, 31353/31353 transitions.
Stuttering acceptance computed with spot in 166 ms :[(OR (NOT p0) (NOT p1) (NOT p2)), (OR (NOT p0) (NOT p1) (NOT p2)), true, (NOT p1), (NOT p2)]
Running random walk in product with property : RERS17pb113-PT-6-LTLFireability-12 automaton TGBA Formula[mat=[[{ cond=true, acceptance={} source=0 dest: 1}], [{ cond=(NOT p0), acceptance={} source=1 dest: 2}, { cond=(AND p0 (NOT p1)), acceptance={} source=1 dest: 3}, { cond=p0, acceptance={} source=1 dest: 4}], [{ cond=true, acceptance={} source=2 dest: 2}], [{ cond=(NOT p1), acceptance={} source=3 dest: 3}], [{ cond=(NOT p2), acceptance={} source=4 dest: 2}]], initial=0, aps=[p0:(AND (GEQ s290 1) (GEQ s315 1)), p1:(AND (GEQ s432 1) (GEQ s615 1)), p2:(AND (GEQ s290 1) (GEQ s315 1))], nbAcceptance=0, properties=[trans-labels, explicit-labels, trans-acc, no-univ-branch, stutter-sensitive, very-weak, weak, inherently-weak], stateDesc=[null, null, null, null, null][false, false, false, false, false]]
Entered a terminal (fully accepting) state of product in 1 steps with 0 reset in 1 ms.
FORMULA RERS17pb113-PT-6-LTLFireability-12 FALSE TECHNIQUES STUTTER_TEST
Treatment of property RERS17pb113-PT-6-LTLFireability-12 finished in 12041 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202303021504/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(F(p0))'
Support contains 4 out of 627 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 627/627 places, 31353/31353 transitions.
Reduce places removed 1 places and 1 transitions.
Applied a total of 0 rules in 164 ms. Remains 626 /627 variables (removed 1) and now considering 31352/31353 (removed 1) transitions.
[2023-03-16 20:28:14] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
// Phase 1: matrix 18325 rows 626 cols
[2023-03-16 20:28:15] [INFO ] Computed 13 place invariants in 47 ms
[2023-03-16 20:28:16] [INFO ] Implicit Places using invariants in 1841 ms returned []
Implicit Place search using SMT only with invariants took 1852 ms to find 0 implicit places.
[2023-03-16 20:28:16] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
[2023-03-16 20:28:16] [INFO ] Invariant cache hit.
[2023-03-16 20:28:26] [INFO ] Dead Transitions using invariants and state equation in 9371 ms found 0 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 11389 ms. Remains : 626/627 places, 31352/31353 transitions.
Stuttering acceptance computed with spot in 46 ms :[(NOT p0)]
Running random walk in product with property : RERS17pb113-PT-6-LTLFireability-13 automaton TGBA Formula[mat=[[{ cond=(NOT p0), acceptance={0} source=0 dest: 0}]], initial=0, aps=[p0:(OR (AND (GEQ s374 1) (GEQ s561 1)) (AND (GEQ s32 1) (GEQ s258 1) (GEQ s374 1) (GEQ s561 1)))], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, colored, deterministic, no-univ-branch, unambiguous, semi-deterministic, stutter-invariant, very-weak, weak, inherently-weak], stateDesc=[null][true]]
Product exploration explored 100000 steps with 0 reset in 4177 ms.
Product exploration explored 100000 steps with 0 reset in 4411 ms.
Computed a total of 0 stabilizing places and 0 stable transitions
Computed a total of 0 stabilizing places and 0 stable transitions
Knowledge obtained : [(NOT p0), (X (NOT p0)), (X (X (NOT p0)))]
False Knowledge obtained : []
Knowledge based reduction with 3 factoid took 95 ms. Reduced automaton from 1 states, 1 edges and 1 AP (stutter insensitive) to 1 states, 1 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 29 ms :[(NOT p0)]
Incomplete random walk after 10000 steps, including 2 resets, run finished after 354 ms. (steps per millisecond=28 ) properties (out of 1) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 31 ms. (steps per millisecond=322 ) properties (out of 1) seen :0
Interrupted probabilistic random walk after 24033 steps, run timeout after 3001 ms. (steps per millisecond=8 ) properties seen :{}
Probabilistic random walk after 24033 steps, saw 21742 distinct states, run finished after 3001 ms. (steps per millisecond=8 ) properties seen :0
Running SMT prover for 1 properties.
[2023-03-16 20:28:38] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
[2023-03-16 20:28:38] [INFO ] Invariant cache hit.
[2023-03-16 20:28:38] [INFO ] [Real]Absence check using 13 positive place invariants in 6 ms returned sat
[2023-03-16 20:28:55] [INFO ] After 17077ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
[2023-03-16 20:28:55] [INFO ] [Nat]Absence check using 13 positive place invariants in 6 ms returned sat
[2023-03-16 20:29:15] [INFO ] After 19743ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
[2023-03-16 20:29:15] [INFO ] State equation strengthened by 268 read => feed constraints.
[2023-03-16 20:29:19] [INFO ] After 4006ms SMT Verify possible using 268 Read/Feed constraints in natural domain returned unsat :0 sat :1
[2023-03-16 20:29:21] [INFO ] Deduced a trap composed of 24 places in 389 ms of which 0 ms to minimize.
java.lang.RuntimeException: SMT solver raised an error when submitting script. Raised (error "Failed to assert expression: java.io.IOException: Stream close...
at fr.lip6.move.gal.structural.smt.SMTUtils.execAndCheckResult(SMTUtils.java:251)
at fr.lip6.move.gal.structural.smt.DeadlockTester.refineWithTraps(DeadlockTester.java:1255)
at fr.lip6.move.gal.structural.smt.DeadlockTester.refineResultsWithTraps(DeadlockTester.java:736)
at fr.lip6.move.gal.structural.smt.DeadlockTester.verifyPossible(DeadlockTester.java:656)
at fr.lip6.move.gal.structural.smt.DeadlockTester.testUnreachableWithSMTIncremental(DeadlockTester.java:350)
at fr.lip6.move.gal.structural.smt.DeadlockTester.testUnreachableWithSMT(DeadlockTester.java:223)
at fr.lip6.move.gal.application.solver.ReachabilitySolver.applyReductions(ReachabilitySolver.java:95)
at fr.lip6.move.gal.application.solver.ltl.LTLPropertySolver.addInvarianceKnowledge(LTLPropertySolver.java:701)
at fr.lip6.move.gal.application.solver.ltl.LTLPropertySolver.applyKnowledgeBasedReductions(LTLPropertySolver.java:568)
at fr.lip6.move.gal.application.solver.ltl.LTLPropertySolver.checkLTLProperty(LTLPropertySolver.java:251)
at fr.lip6.move.gal.application.solver.ltl.LTLPropertySolver.runStutteringLTLTest(LTLPropertySolver.java:225)
at fr.lip6.move.gal.application.solver.ltl.LTLPropertySolver.runStructuralLTLCheck(LTLPropertySolver.java:76)
at fr.lip6.move.gal.application.Application.startNoEx(Application.java:762)
at fr.lip6.move.gal.application.Application.start(Application.java:178)
at fr.lip6.move.gal.itscl.application.Application.start(Application.java:45)
at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:203)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:136)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:104)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:402)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:255)
at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:77)
at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.base/java.lang.reflect.Method.invoke(Method.java:568)
at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:659)
at org.eclipse.equinox.launcher.Main.basicRun(Main.java:596)
at org.eclipse.equinox.launcher.Main.run(Main.java:1467)
at org.eclipse.equinox.launcher.Main.main(Main.java:1440)
[2023-03-16 20:29:21] [WARNING] SMT solver failed with error :SMT solver raised an error when submitting script.... while checking expressions.
[2023-03-16 20:29:21] [INFO ] After 25437ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :0 real:1
Parikh walk visited 0 properties in 4 ms.
Support contains 4 out of 626 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 626/626 places, 31352/31352 transitions.
Applied a total of 0 rules in 166 ms. Remains 626 /626 variables (removed 0) and now considering 31352/31352 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 167 ms. Remains : 626/626 places, 31352/31352 transitions.
Incomplete random walk after 10000 steps, including 2 resets, run finished after 273 ms. (steps per millisecond=36 ) properties (out of 1) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 25 ms. (steps per millisecond=400 ) properties (out of 1) seen :0
Interrupted probabilistic random walk after 23854 steps, run timeout after 3001 ms. (steps per millisecond=7 ) properties seen :{}
Probabilistic random walk after 23854 steps, saw 21585 distinct states, run finished after 3001 ms. (steps per millisecond=7 ) properties seen :0
Running SMT prover for 1 properties.
[2023-03-16 20:29:24] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
[2023-03-16 20:29:24] [INFO ] Invariant cache hit.
[2023-03-16 20:29:24] [INFO ] [Real]Absence check using 13 positive place invariants in 6 ms returned sat
[2023-03-16 20:29:40] [INFO ] After 16180ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
[2023-03-16 20:29:40] [INFO ] [Nat]Absence check using 13 positive place invariants in 6 ms returned sat
[2023-03-16 20:29:57] [INFO ] After 16652ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
[2023-03-16 20:29:57] [INFO ] State equation strengthened by 268 read => feed constraints.
[2023-03-16 20:30:01] [INFO ] After 4092ms SMT Verify possible using 268 Read/Feed constraints in natural domain returned unsat :0 sat :1
[2023-03-16 20:30:03] [INFO ] Deduced a trap composed of 24 places in 413 ms of which 1 ms to minimize.
[2023-03-16 20:30:04] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 1272 ms
[2023-03-16 20:30:04] [INFO ] After 6476ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
Attempting to minimize the solution found.
Minimization took 970 ms.
[2023-03-16 20:30:05] [INFO ] After 24305ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
Parikh walk visited 0 properties in 5 ms.
Support contains 4 out of 626 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 626/626 places, 31352/31352 transitions.
Applied a total of 0 rules in 173 ms. Remains 626 /626 variables (removed 0) and now considering 31352/31352 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 173 ms. Remains : 626/626 places, 31352/31352 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 626/626 places, 31352/31352 transitions.
Applied a total of 0 rules in 172 ms. Remains 626 /626 variables (removed 0) and now considering 31352/31352 (removed 0) transitions.
[2023-03-16 20:30:05] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
[2023-03-16 20:30:05] [INFO ] Invariant cache hit.
[2023-03-16 20:30:07] [INFO ] Implicit Places using invariants in 1922 ms returned []
Implicit Place search using SMT only with invariants took 1922 ms to find 0 implicit places.
[2023-03-16 20:30:07] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
[2023-03-16 20:30:07] [INFO ] Invariant cache hit.
[2023-03-16 20:30:16] [INFO ] Dead Transitions using invariants and state equation in 9193 ms found 0 transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 11292 ms. Remains : 626/626 places, 31352/31352 transitions.
Knowledge obtained : [(NOT p0), (X (NOT p0)), (X (X (NOT p0)))]
False Knowledge obtained : []
Knowledge based reduction with 3 factoid took 131 ms. Reduced automaton from 1 states, 1 edges and 1 AP (stutter insensitive) to 1 states, 1 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 38 ms :[(NOT p0)]
Stuttering acceptance computed with spot in 36 ms :[(NOT p0)]
[2023-03-16 20:30:16] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
[2023-03-16 20:30:17] [INFO ] Invariant cache hit.
Could not prove EG (NOT p0)
Support contains 4 out of 626 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 626/626 places, 31352/31352 transitions.
Applied a total of 0 rules in 201 ms. Remains 626 /626 variables (removed 0) and now considering 31352/31352 (removed 0) transitions.
[2023-03-16 20:30:32] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
[2023-03-16 20:30:32] [INFO ] Invariant cache hit.
[2023-03-16 20:30:34] [INFO ] Implicit Places using invariants in 1955 ms returned []
Implicit Place search using SMT only with invariants took 1974 ms to find 0 implicit places.
[2023-03-16 20:30:34] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
[2023-03-16 20:30:34] [INFO ] Invariant cache hit.
[2023-03-16 20:30:43] [INFO ] Dead Transitions using invariants and state equation in 9065 ms found 0 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 11254 ms. Remains : 626/626 places, 31352/31352 transitions.
Computed a total of 0 stabilizing places and 0 stable transitions
Computed a total of 0 stabilizing places and 0 stable transitions
Knowledge obtained : [(NOT p0), (X (NOT p0)), (X (X (NOT p0)))]
False Knowledge obtained : []
Knowledge based reduction with 3 factoid took 121 ms. Reduced automaton from 1 states, 1 edges and 1 AP (stutter insensitive) to 1 states, 1 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 43 ms :[(NOT p0)]
Incomplete random walk after 10000 steps, including 2 resets, run finished after 287 ms. (steps per millisecond=34 ) properties (out of 1) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 25 ms. (steps per millisecond=400 ) properties (out of 1) seen :0
Interrupted probabilistic random walk after 24703 steps, run timeout after 3001 ms. (steps per millisecond=8 ) properties seen :{}
Probabilistic random walk after 24703 steps, saw 22347 distinct states, run finished after 3002 ms. (steps per millisecond=8 ) properties seen :0
Running SMT prover for 1 properties.
[2023-03-16 20:30:47] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
[2023-03-16 20:30:47] [INFO ] Invariant cache hit.
[2023-03-16 20:30:47] [INFO ] [Real]Absence check using 13 positive place invariants in 6 ms returned sat
[2023-03-16 20:31:06] [INFO ] After 19706ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
[2023-03-16 20:31:06] [INFO ] [Nat]Absence check using 13 positive place invariants in 6 ms returned sat
[2023-03-16 20:31:24] [INFO ] After 17787ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
[2023-03-16 20:31:24] [INFO ] State equation strengthened by 268 read => feed constraints.
[2023-03-16 20:31:28] [INFO ] After 3937ms SMT Verify possible using 268 Read/Feed constraints in natural domain returned unsat :0 sat :1
[2023-03-16 20:31:30] [INFO ] Deduced a trap composed of 24 places in 404 ms of which 0 ms to minimize.
[2023-03-16 20:31:30] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 1252 ms
[2023-03-16 20:31:30] [INFO ] After 6169ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
Attempting to minimize the solution found.
Minimization took 919 ms.
[2023-03-16 20:31:31] [INFO ] After 25079ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
Parikh walk visited 0 properties in 5 ms.
Support contains 4 out of 626 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 626/626 places, 31352/31352 transitions.
Applied a total of 0 rules in 190 ms. Remains 626 /626 variables (removed 0) and now considering 31352/31352 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 190 ms. Remains : 626/626 places, 31352/31352 transitions.
Incomplete random walk after 10000 steps, including 2 resets, run finished after 332 ms. (steps per millisecond=30 ) properties (out of 1) 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 1) seen :0
Interrupted probabilistic random walk after 24972 steps, run timeout after 3002 ms. (steps per millisecond=8 ) properties seen :{}
Probabilistic random walk after 24972 steps, saw 22587 distinct states, run finished after 3002 ms. (steps per millisecond=8 ) properties seen :0
Running SMT prover for 1 properties.
[2023-03-16 20:31:35] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
[2023-03-16 20:31:35] [INFO ] Invariant cache hit.
[2023-03-16 20:31:35] [INFO ] [Real]Absence check using 13 positive place invariants in 5 ms returned sat
[2023-03-16 20:31:54] [INFO ] After 18847ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
[2023-03-16 20:31:54] [INFO ] [Nat]Absence check using 13 positive place invariants in 5 ms returned sat
[2023-03-16 20:32:11] [INFO ] After 16944ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
[2023-03-16 20:32:11] [INFO ] State equation strengthened by 268 read => feed constraints.
[2023-03-16 20:32:16] [INFO ] After 4588ms SMT Verify possible using 268 Read/Feed constraints in natural domain returned unsat :0 sat :1
[2023-03-16 20:32:17] [INFO ] Deduced a trap composed of 24 places in 409 ms of which 0 ms to minimize.
[2023-03-16 20:32:18] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 1205 ms
[2023-03-16 20:32:18] [INFO ] After 6797ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
Attempting to minimize the solution found.
Minimization took 926 ms.
[2023-03-16 20:32:19] [INFO ] After 24882ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
Parikh walk visited 0 properties in 7 ms.
Support contains 4 out of 626 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 626/626 places, 31352/31352 transitions.
Applied a total of 0 rules in 168 ms. Remains 626 /626 variables (removed 0) and now considering 31352/31352 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 168 ms. Remains : 626/626 places, 31352/31352 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 626/626 places, 31352/31352 transitions.
Applied a total of 0 rules in 169 ms. Remains 626 /626 variables (removed 0) and now considering 31352/31352 (removed 0) transitions.
[2023-03-16 20:32:19] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
[2023-03-16 20:32:19] [INFO ] Invariant cache hit.
[2023-03-16 20:32:21] [INFO ] Implicit Places using invariants in 1883 ms returned []
Implicit Place search using SMT only with invariants took 1887 ms to find 0 implicit places.
[2023-03-16 20:32:21] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
[2023-03-16 20:32:21] [INFO ] Invariant cache hit.
[2023-03-16 20:32:30] [INFO ] Dead Transitions using invariants and state equation in 9051 ms found 0 transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 11111 ms. Remains : 626/626 places, 31352/31352 transitions.
Knowledge obtained : [(NOT p0), (X (NOT p0)), (X (X (NOT p0)))]
False Knowledge obtained : []
Knowledge based reduction with 3 factoid took 108 ms. Reduced automaton from 1 states, 1 edges and 1 AP (stutter insensitive) to 1 states, 1 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 29 ms :[(NOT p0)]
Stuttering acceptance computed with spot in 46 ms :[(NOT p0)]
[2023-03-16 20:32:30] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
[2023-03-16 20:32:30] [INFO ] Invariant cache hit.
Could not prove EG (NOT p0)
Stuttering acceptance computed with spot in 39 ms :[(NOT p0)]
Product exploration explored 100000 steps with 0 reset in 3648 ms.
Product exploration explored 100000 steps with 0 reset in 3918 ms.
Support contains 4 out of 626 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 626/626 places, 31352/31352 transitions.
Applied a total of 0 rules in 165 ms. Remains 626 /626 variables (removed 0) and now considering 31352/31352 (removed 0) transitions.
[2023-03-16 20:32:53] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
[2023-03-16 20:32:53] [INFO ] Invariant cache hit.
[2023-03-16 20:32:55] [INFO ] Implicit Places using invariants in 2049 ms returned []
Implicit Place search using SMT only with invariants took 2050 ms to find 0 implicit places.
[2023-03-16 20:32:55] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
[2023-03-16 20:32:55] [INFO ] Invariant cache hit.
[2023-03-16 20:33:05] [INFO ] Dead Transitions using invariants and state equation in 9426 ms found 0 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 11643 ms. Remains : 626/626 places, 31352/31352 transitions.
Treatment of property RERS17pb113-PT-6-LTLFireability-13 finished in 291579 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((X(p2)||p1))))))'
Found a Lengthening insensitive property : RERS17pb113-PT-6-LTLFireability-00
Stuttering acceptance computed with spot in 155 ms :[(OR (NOT p0) (AND (NOT p1) (NOT p2))), (NOT p0), (AND (NOT p1) (NOT p2)), (AND (NOT p1) (NOT p2))]
Support contains 4 out of 627 places. Attempting structural reductions.
Starting structural reductions in LI_LTL mode, iteration 0 : 627/627 places, 31353/31353 transitions.
Reduce places removed 1 places and 1 transitions.
Applied a total of 0 rules in 193 ms. Remains 626 /627 variables (removed 1) and now considering 31352/31353 (removed 1) transitions.
[2023-03-16 20:33:06] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
[2023-03-16 20:33:06] [INFO ] Invariant cache hit.
[2023-03-16 20:33:08] [INFO ] Implicit Places using invariants in 1985 ms returned []
Implicit Place search using SMT only with invariants took 1989 ms to find 0 implicit places.
[2023-03-16 20:33:08] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
[2023-03-16 20:33:08] [INFO ] Invariant cache hit.
[2023-03-16 20:33:17] [INFO ] Dead Transitions using invariants and state equation in 8727 ms found 0 transitions.
Finished structural reductions in LI_LTL mode , in 1 iterations and 10912 ms. Remains : 626/627 places, 31352/31353 transitions.
Running random walk in product with property : RERS17pb113-PT-6-LTLFireability-00 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: 3}], [{ cond=(NOT p0), acceptance={0} source=1 dest: 1}], [{ cond=true, acceptance={} source=2 dest: 2}, { cond=(NOT p1), acceptance={0} source=2 dest: 3}], [{ cond=(NOT p2), acceptance={} source=3 dest: 2}, { cond=(AND (NOT p1) (NOT p2)), acceptance={0} source=3 dest: 3}]], initial=0, aps=[p0:(OR (LT s54 1) (LT s377 1)), p1:(OR (LT s391 1) (LT s535 1)), p2:(OR (LT s391 1) (LT s535 1))], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, no-univ-branch, stutter-sensitive, sl-invariant], stateDesc=[null, null, null, null][false, false, false, false]]
Product exploration explored 100000 steps with 8 reset in 3317 ms.
Product exploration explored 100000 steps with 5 reset in 3408 ms.
Computed a total of 0 stabilizing places and 0 stable transitions
Computed a total of 0 stabilizing places and 0 stable transitions
Knowledge obtained : [(AND p0 p1 p2), (X (NOT (AND (NOT p1) (NOT p2)))), (X p0), (X p2), true, (X (X p1)), (X (X (NOT (AND (NOT p1) (NOT p2))))), (X (X p0)), (X (X p2))]
False Knowledge obtained : []
Knowledge based reduction with 9 factoid took 356 ms. Reduced automaton from 4 states, 8 edges and 3 AP (stutter sensitive) to 4 states, 8 edges and 3 AP (stutter sensitive).
Stuttering acceptance computed with spot in 143 ms :[(OR (NOT p0) (AND (NOT p1) (NOT p2))), (NOT p0), (AND (NOT p1) (NOT p2)), (AND (NOT p1) (NOT p2))]
Incomplete random walk after 10000 steps, including 2 resets, run finished after 518 ms. (steps per millisecond=19 ) properties (out of 4) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 31 ms. (steps per millisecond=322 ) properties (out of 4) 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 4) 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 4) 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 4) seen :0
Interrupted probabilistic random walk after 23804 steps, run timeout after 3001 ms. (steps per millisecond=7 ) properties seen :{}
Probabilistic random walk after 23804 steps, saw 21542 distinct states, run finished after 3005 ms. (steps per millisecond=7 ) properties seen :0
Running SMT prover for 4 properties.
[2023-03-16 20:33:28] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
[2023-03-16 20:33:28] [INFO ] Invariant cache hit.
[2023-03-16 20:33:28] [INFO ] [Real]Absence check using 13 positive place invariants in 18 ms returned sat
[2023-03-16 20:33:45] [INFO ] After 17260ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:4
[2023-03-16 20:33:46] [INFO ] [Nat]Absence check using 13 positive place invariants in 6 ms returned sat
[2023-03-16 20:34:00] [INFO ] After 14108ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :4
[2023-03-16 20:34:00] [INFO ] State equation strengthened by 268 read => feed constraints.
[2023-03-16 20:34:08] [INFO ] After 7972ms SMT Verify possible using 268 Read/Feed constraints in natural domain returned unsat :0 sat :4
[2023-03-16 20:34:09] [INFO ] Deduced a trap composed of 40 places in 551 ms of which 2 ms to minimize.
[2023-03-16 20:34:10] [INFO ] Deduced a trap composed of 40 places in 485 ms of which 1 ms to minimize.
[2023-03-16 20:34:10] [INFO ] Deduced a trap composed of 40 places in 336 ms of which 1 ms to minimize.
[2023-03-16 20:34:13] [INFO ] Deduced a trap composed of 64 places in 2590 ms of which 0 ms to minimize.
java.lang.RuntimeException: SMT solver raised an error when submitting script. Raised (error "Failed to assert expression: java.io.IOException: Stream close...
at fr.lip6.move.gal.structural.smt.SMTUtils.execAndCheckResult(SMTUtils.java:251)
at fr.lip6.move.gal.structural.smt.DeadlockTester.refineWithTraps(DeadlockTester.java:1255)
at fr.lip6.move.gal.structural.smt.DeadlockTester.refineResultsWithTraps(DeadlockTester.java:736)
at fr.lip6.move.gal.structural.smt.DeadlockTester.verifyPossible(DeadlockTester.java:656)
at fr.lip6.move.gal.structural.smt.DeadlockTester.testUnreachableWithSMTIncremental(DeadlockTester.java:350)
at fr.lip6.move.gal.structural.smt.DeadlockTester.testUnreachableWithSMT(DeadlockTester.java:223)
at fr.lip6.move.gal.application.solver.ReachabilitySolver.applyReductions(ReachabilitySolver.java:95)
at fr.lip6.move.gal.application.solver.ltl.LTLPropertySolver.addInvarianceKnowledge(LTLPropertySolver.java:701)
at fr.lip6.move.gal.application.solver.ltl.LTLPropertySolver.applyKnowledgeBasedReductions(LTLPropertySolver.java:568)
at fr.lip6.move.gal.application.solver.ltl.LTLPropertySolver.checkLTLProperty(LTLPropertySolver.java:251)
at fr.lip6.move.gal.application.solver.ltl.LTLLengthAwareSolver.runSLCLLTLTest(LTLLengthAwareSolver.java:100)
at fr.lip6.move.gal.application.Application.startNoEx(Application.java:764)
at fr.lip6.move.gal.application.Application.start(Application.java:178)
at fr.lip6.move.gal.itscl.application.Application.start(Application.java:45)
at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:203)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:136)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:104)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:402)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:255)
at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:77)
at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.base/java.lang.reflect.Method.invoke(Method.java:568)
at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:659)
at org.eclipse.equinox.launcher.Main.basicRun(Main.java:596)
at org.eclipse.equinox.launcher.Main.run(Main.java:1467)
at org.eclipse.equinox.launcher.Main.main(Main.java:1440)
[2023-03-16 20:34:13] [WARNING] SMT solver failed with error :SMT solver raised an error when submitting script.... while checking expressions.
[2023-03-16 20:34:13] [INFO ] After 27665ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :0 real:4
Parikh walk visited 0 properties in 17 ms.
Support contains 4 out of 626 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 626/626 places, 31352/31352 transitions.
Applied a total of 0 rules in 177 ms. Remains 626 /626 variables (removed 0) and now considering 31352/31352 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 177 ms. Remains : 626/626 places, 31352/31352 transitions.
Incomplete random walk after 10000 steps, including 2 resets, run finished after 386 ms. (steps per millisecond=25 ) properties (out of 4) 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 4) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 37 ms. (steps per millisecond=270 ) properties (out of 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 10001 steps, including 2 resets, run finished after 37 ms. (steps per millisecond=270 ) properties (out of 4) seen :0
Interrupted probabilistic random walk after 24274 steps, run timeout after 3001 ms. (steps per millisecond=8 ) properties seen :{}
Probabilistic random walk after 24274 steps, saw 21960 distinct states, run finished after 3005 ms. (steps per millisecond=8 ) properties seen :0
Running SMT prover for 4 properties.
[2023-03-16 20:34:17] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
[2023-03-16 20:34:17] [INFO ] Invariant cache hit.
[2023-03-16 20:34:17] [INFO ] [Real]Absence check using 13 positive place invariants in 6 ms returned sat
[2023-03-16 20:34:34] [INFO ] After 16723ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:4
[2023-03-16 20:34:34] [INFO ] [Nat]Absence check using 13 positive place invariants in 7 ms returned sat
[2023-03-16 20:34:48] [INFO ] After 14507ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :4
[2023-03-16 20:34:48] [INFO ] State equation strengthened by 268 read => feed constraints.
[2023-03-16 20:34:56] [INFO ] After 8000ms SMT Verify possible using 268 Read/Feed constraints in natural domain returned unsat :0 sat :4
[2023-03-16 20:34:58] [INFO ] Deduced a trap composed of 40 places in 567 ms of which 0 ms to minimize.
[2023-03-16 20:34:58] [INFO ] Deduced a trap composed of 40 places in 467 ms of which 4 ms to minimize.
[2023-03-16 20:34:59] [INFO ] Deduced a trap composed of 40 places in 366 ms of which 1 ms to minimize.
java.lang.RuntimeException: SMT solver raised an error when submitting script. Raised (error "Failed to assert expression: java.io.IOException: Stream close...
at fr.lip6.move.gal.structural.smt.SMTUtils.execAndCheckResult(SMTUtils.java:251)
at fr.lip6.move.gal.structural.smt.DeadlockTester.refineWithTraps(DeadlockTester.java:1255)
at fr.lip6.move.gal.structural.smt.DeadlockTester.refineResultsWithTraps(DeadlockTester.java:736)
at fr.lip6.move.gal.structural.smt.DeadlockTester.verifyPossible(DeadlockTester.java:656)
at fr.lip6.move.gal.structural.smt.DeadlockTester.testUnreachableWithSMTIncremental(DeadlockTester.java:350)
at fr.lip6.move.gal.structural.smt.DeadlockTester.testUnreachableWithSMT(DeadlockTester.java:223)
at fr.lip6.move.gal.application.solver.ReachabilitySolver.applyReductions(ReachabilitySolver.java:95)
at fr.lip6.move.gal.application.solver.ltl.LTLPropertySolver.addInvarianceKnowledge(LTLPropertySolver.java:701)
at fr.lip6.move.gal.application.solver.ltl.LTLPropertySolver.applyKnowledgeBasedReductions(LTLPropertySolver.java:568)
at fr.lip6.move.gal.application.solver.ltl.LTLPropertySolver.checkLTLProperty(LTLPropertySolver.java:251)
at fr.lip6.move.gal.application.solver.ltl.LTLLengthAwareSolver.runSLCLLTLTest(LTLLengthAwareSolver.java:100)
at fr.lip6.move.gal.application.Application.startNoEx(Application.java:764)
at fr.lip6.move.gal.application.Application.start(Application.java:178)
at fr.lip6.move.gal.itscl.application.Application.start(Application.java:45)
at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:203)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:136)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:104)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:402)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:255)
at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:77)
at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.base/java.lang.reflect.Method.invoke(Method.java:568)
at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:659)
at org.eclipse.equinox.launcher.Main.basicRun(Main.java:596)
at org.eclipse.equinox.launcher.Main.run(Main.java:1467)
at org.eclipse.equinox.launcher.Main.main(Main.java:1440)
[2023-03-16 20:34:59] [WARNING] SMT solver failed with error :SMT solver raised an error when submitting script.... while checking expressions.
[2023-03-16 20:34:59] [INFO ] After 25291ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :0 real:4
Parikh walk visited 0 properties in 19 ms.
Support contains 4 out of 626 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 626/626 places, 31352/31352 transitions.
Applied a total of 0 rules in 181 ms. Remains 626 /626 variables (removed 0) and now considering 31352/31352 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 183 ms. Remains : 626/626 places, 31352/31352 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 626/626 places, 31352/31352 transitions.
Applied a total of 0 rules in 183 ms. Remains 626 /626 variables (removed 0) and now considering 31352/31352 (removed 0) transitions.
[2023-03-16 20:34:59] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
[2023-03-16 20:34:59] [INFO ] Invariant cache hit.
[2023-03-16 20:35:01] [INFO ] Implicit Places using invariants in 1860 ms returned []
Implicit Place search using SMT only with invariants took 1866 ms to find 0 implicit places.
[2023-03-16 20:35:01] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
[2023-03-16 20:35:01] [INFO ] Invariant cache hit.
[2023-03-16 20:35:11] [INFO ] Dead Transitions using invariants and state equation in 9334 ms found 0 transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 11388 ms. Remains : 626/626 places, 31352/31352 transitions.
Knowledge obtained : [(AND p0 p1 p2), (X (NOT (AND (NOT p1) (NOT p2)))), (X p0), (X p2), true, (X (X p1)), (X (X (NOT (AND (NOT p1) (NOT p2))))), (X (X p0)), (X (X p2))]
False Knowledge obtained : []
Knowledge based reduction with 9 factoid took 377 ms. Reduced automaton from 4 states, 8 edges and 3 AP (stutter sensitive) to 4 states, 8 edges and 3 AP (stutter sensitive).
Stuttering acceptance computed with spot in 150 ms :[(OR (NOT p0) (AND (NOT p1) (NOT p2))), (NOT p0), (AND (NOT p1) (NOT p2)), (AND (NOT p1) (NOT p2))]
Stuttering acceptance computed with spot in 121 ms :[(OR (NOT p0) (AND (NOT p1) (NOT p2))), (NOT p0), (AND (NOT p1) (NOT p2)), (AND (NOT p1) (NOT p2))]
Support contains 4 out of 626 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 626/626 places, 31352/31352 transitions.
Applied a total of 0 rules in 67 ms. Remains 626 /626 variables (removed 0) and now considering 31352/31352 (removed 0) transitions.
[2023-03-16 20:35:11] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
[2023-03-16 20:35:11] [INFO ] Invariant cache hit.
[2023-03-16 20:35:13] [INFO ] Implicit Places using invariants in 1910 ms returned []
Implicit Place search using SMT only with invariants took 1911 ms to find 0 implicit places.
[2023-03-16 20:35:13] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
[2023-03-16 20:35:13] [INFO ] Invariant cache hit.
[2023-03-16 20:35:22] [INFO ] Dead Transitions using invariants and state equation in 8611 ms found 0 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 10591 ms. Remains : 626/626 places, 31352/31352 transitions.
Computed a total of 0 stabilizing places and 0 stable transitions
Computed a total of 0 stabilizing places and 0 stable transitions
Knowledge obtained : [(AND p0 p1 p2), (X (NOT (AND (NOT p1) (NOT p2)))), (X p0), (X p2), true, (X (X p1)), (X (X (NOT (AND (NOT p1) (NOT p2))))), (X (X p0)), (X (X p2))]
False Knowledge obtained : []
Knowledge based reduction with 9 factoid took 375 ms. Reduced automaton from 4 states, 8 edges and 3 AP (stutter sensitive) to 4 states, 8 edges and 3 AP (stutter sensitive).
Stuttering acceptance computed with spot in 158 ms :[(OR (NOT p0) (AND (NOT p1) (NOT p2))), (NOT p0), (AND (NOT p1) (NOT p2)), (AND (NOT p1) (NOT p2))]
Incomplete random walk after 10000 steps, including 2 resets, run finished after 418 ms. (steps per millisecond=23 ) properties (out of 4) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 30 ms. (steps per millisecond=333 ) properties (out of 4) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 31 ms. (steps per millisecond=322 ) properties (out of 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 10001 steps, including 2 resets, run finished after 32 ms. (steps per millisecond=312 ) properties (out of 4) seen :0
Interrupted probabilistic random walk after 24167 steps, run timeout after 3001 ms. (steps per millisecond=8 ) properties seen :{}
Probabilistic random walk after 24167 steps, saw 21863 distinct states, run finished after 3001 ms. (steps per millisecond=8 ) properties seen :0
Running SMT prover for 4 properties.
[2023-03-16 20:35:26] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
[2023-03-16 20:35:26] [INFO ] Invariant cache hit.
[2023-03-16 20:35:26] [INFO ] [Real]Absence check using 13 positive place invariants in 6 ms returned sat
[2023-03-16 20:35:43] [INFO ] After 16963ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:4
[2023-03-16 20:35:43] [INFO ] [Nat]Absence check using 13 positive place invariants in 7 ms returned sat
[2023-03-16 20:35:58] [INFO ] After 14204ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :4
[2023-03-16 20:35:58] [INFO ] State equation strengthened by 268 read => feed constraints.
[2023-03-16 20:36:06] [INFO ] After 8040ms SMT Verify possible using 268 Read/Feed constraints in natural domain returned unsat :0 sat :4
[2023-03-16 20:36:07] [INFO ] Deduced a trap composed of 40 places in 572 ms of which 1 ms to minimize.
[2023-03-16 20:36:08] [INFO ] Deduced a trap composed of 40 places in 485 ms of which 0 ms to minimize.
[2023-03-16 20:36:08] [INFO ] Deduced a trap composed of 40 places in 358 ms of which 2 ms to minimize.
[2023-03-16 20:36:08] [INFO ] Trap strengthening (SAT) tested/added 3/3 trap constraints in 2365 ms
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.refineResultsWithTraps(DeadlockTester.java:769)
at fr.lip6.move.gal.structural.smt.DeadlockTester.verifyPossible(DeadlockTester.java:656)
at fr.lip6.move.gal.structural.smt.DeadlockTester.testUnreachableWithSMTIncremental(DeadlockTester.java:350)
at fr.lip6.move.gal.structural.smt.DeadlockTester.testUnreachableWithSMT(DeadlockTester.java:223)
at fr.lip6.move.gal.application.solver.ReachabilitySolver.applyReductions(ReachabilitySolver.java:95)
at fr.lip6.move.gal.application.solver.ltl.LTLPropertySolver.addInvarianceKnowledge(LTLPropertySolver.java:701)
at fr.lip6.move.gal.application.solver.ltl.LTLPropertySolver.applyKnowledgeBasedReductions(LTLPropertySolver.java:568)
at fr.lip6.move.gal.application.solver.ltl.LTLPropertySolver.checkLTLProperty(LTLPropertySolver.java:261)
at fr.lip6.move.gal.application.solver.ltl.LTLLengthAwareSolver.runSLCLLTLTest(LTLLengthAwareSolver.java:100)
at fr.lip6.move.gal.application.Application.startNoEx(Application.java:764)
at fr.lip6.move.gal.application.Application.start(Application.java:178)
at fr.lip6.move.gal.itscl.application.Application.start(Application.java:45)
at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:203)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:136)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:104)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:402)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:255)
at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:77)
at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.base/java.lang.reflect.Method.invoke(Method.java:568)
at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:659)
at org.eclipse.equinox.launcher.Main.basicRun(Main.java:596)
at org.eclipse.equinox.launcher.Main.run(Main.java:1467)
at org.eclipse.equinox.launcher.Main.main(Main.java:1440)
[2023-03-16 20:36:08] [WARNING] SMT solver failed with error :SMT solver raised an error when submitting script.... while checking expressions.
[2023-03-16 20:36:08] [INFO ] After 25032ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :0 real:4
Parikh walk visited 0 properties in 20 ms.
Support contains 4 out of 626 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 626/626 places, 31352/31352 transitions.
Applied a total of 0 rules in 152 ms. Remains 626 /626 variables (removed 0) and now considering 31352/31352 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 153 ms. Remains : 626/626 places, 31352/31352 transitions.
Incomplete random walk after 10000 steps, including 2 resets, run finished after 538 ms. (steps per millisecond=18 ) properties (out of 4) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 44 ms. (steps per millisecond=227 ) properties (out of 4) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 80 ms. (steps per millisecond=125 ) properties (out of 4) 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 4) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 31 ms. (steps per millisecond=322 ) properties (out of 4) seen :0
Interrupted probabilistic random walk after 23755 steps, run timeout after 3002 ms. (steps per millisecond=7 ) properties seen :{}
Probabilistic random walk after 23755 steps, saw 21501 distinct states, run finished after 3002 ms. (steps per millisecond=7 ) properties seen :0
Running SMT prover for 4 properties.
[2023-03-16 20:36:12] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
[2023-03-16 20:36:12] [INFO ] Invariant cache hit.
[2023-03-16 20:36:12] [INFO ] [Real]Absence check using 13 positive place invariants in 6 ms returned sat
[2023-03-16 20:36:29] [INFO ] After 16618ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:4
[2023-03-16 20:36:29] [INFO ] [Nat]Absence check using 13 positive place invariants in 5 ms returned sat
[2023-03-16 20:36:43] [INFO ] After 13990ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :4
[2023-03-16 20:36:43] [INFO ] State equation strengthened by 268 read => feed constraints.
[2023-03-16 20:36:51] [INFO ] After 7986ms SMT Verify possible using 268 Read/Feed constraints in natural domain returned unsat :0 sat :4
[2023-03-16 20:36:52] [INFO ] Deduced a trap composed of 40 places in 559 ms of which 1 ms to minimize.
[2023-03-16 20:36:53] [INFO ] Deduced a trap composed of 40 places in 470 ms of which 1 ms to minimize.
[2023-03-16 20:36:53] [INFO ] Deduced a trap composed of 40 places in 349 ms of which 0 ms to minimize.
[2023-03-16 20:36:54] [INFO ] Trap strengthening (SAT) tested/added 4/3 trap constraints in 2802 ms
[2023-03-16 20:36:54] [INFO ] After 10951ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :4
Attempting to minimize the solution found.
Minimization took 2 ms.
[2023-03-16 20:36:54] [INFO ] After 25176ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :4
Parikh walk visited 0 properties in 13 ms.
Support contains 4 out of 626 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 626/626 places, 31352/31352 transitions.
Applied a total of 0 rules in 158 ms. Remains 626 /626 variables (removed 0) and now considering 31352/31352 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 159 ms. Remains : 626/626 places, 31352/31352 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 626/626 places, 31352/31352 transitions.
Applied a total of 0 rules in 158 ms. Remains 626 /626 variables (removed 0) and now considering 31352/31352 (removed 0) transitions.
[2023-03-16 20:36:54] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
[2023-03-16 20:36:54] [INFO ] Invariant cache hit.
[2023-03-16 20:36:56] [INFO ] Implicit Places using invariants in 1875 ms returned []
Implicit Place search using SMT only with invariants took 1888 ms to find 0 implicit places.
[2023-03-16 20:36:56] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
[2023-03-16 20:36:56] [INFO ] Invariant cache hit.
[2023-03-16 20:37:05] [INFO ] Dead Transitions using invariants and state equation in 9191 ms found 0 transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 11253 ms. Remains : 626/626 places, 31352/31352 transitions.
Knowledge obtained : [(AND p0 p1 p2), (X (NOT (AND (NOT p1) (NOT p2)))), (X p0), (X p2), true, (X (X p1)), (X (X (NOT (AND (NOT p1) (NOT p2))))), (X (X p0)), (X (X p2))]
False Knowledge obtained : []
Knowledge based reduction with 9 factoid took 596 ms. Reduced automaton from 4 states, 8 edges and 3 AP (stutter sensitive) to 4 states, 8 edges and 3 AP (stutter sensitive).
Stuttering acceptance computed with spot in 157 ms :[(OR (NOT p0) (AND (NOT p1) (NOT p2))), (NOT p0), (AND (NOT p1) (NOT p2)), (AND (NOT p1) (NOT p2))]
Stuttering acceptance computed with spot in 134 ms :[(OR (NOT p0) (AND (NOT p1) (NOT p2))), (NOT p0), (AND (NOT p1) (NOT p2)), (AND (NOT p1) (NOT p2))]
Stuttering acceptance computed with spot in 129 ms :[(OR (NOT p0) (AND (NOT p1) (NOT p2))), (NOT p0), (AND (NOT p1) (NOT p2)), (AND (NOT p1) (NOT p2))]
Product exploration explored 100000 steps with 6 reset in 3096 ms.
Product exploration explored 100000 steps with 4 reset in 3263 ms.
Applying partial POR strategy [false, true, false, false]
Stuttering acceptance computed with spot in 125 ms :[(OR (NOT p0) (AND (NOT p1) (NOT p2))), (NOT p0), (AND (NOT p1) (NOT p2)), (AND (NOT p1) (NOT p2))]
Support contains 4 out of 626 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 626/626 places, 31352/31352 transitions.
Applied a total of 0 rules in 148 ms. Remains 626 /626 variables (removed 0) and now considering 31352/31352 (removed 0) transitions.
[2023-03-16 20:37:13] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
[2023-03-16 20:37:13] [INFO ] Invariant cache hit.
[2023-03-16 20:37:23] [INFO ] Dead Transitions using invariants and state equation in 9413 ms found 0 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 9567 ms. Remains : 626/626 places, 31352/31352 transitions.
Support contains 4 out of 626 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 626/626 places, 31352/31352 transitions.
Applied a total of 0 rules in 67 ms. Remains 626 /626 variables (removed 0) and now considering 31352/31352 (removed 0) transitions.
[2023-03-16 20:37:23] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
[2023-03-16 20:37:23] [INFO ] Invariant cache hit.
[2023-03-16 20:37:25] [INFO ] Implicit Places using invariants in 1802 ms returned []
Implicit Place search using SMT only with invariants took 1814 ms to find 0 implicit places.
[2023-03-16 20:37:25] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
[2023-03-16 20:37:25] [INFO ] Invariant cache hit.
[2023-03-16 20:37:34] [INFO ] Dead Transitions using invariants and state equation in 9439 ms found 0 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 11330 ms. Remains : 626/626 places, 31352/31352 transitions.
Treatment of property RERS17pb113-PT-6-LTLFireability-00 finished in 269070 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)||p1) U ((X(G(p2)) U p0)||F(p3))))'
Found a Lengthening insensitive property : RERS17pb113-PT-6-LTLFireability-01
Stuttering acceptance computed with spot in 375 ms :[(AND (NOT p3) (NOT p2)), (AND (NOT p0) (NOT p3)), (AND (NOT p0) (NOT p3)), (NOT p3), (OR (AND (NOT p2) (NOT p3)) (AND (NOT p0) (NOT p3)))]
Support contains 8 out of 627 places. Attempting structural reductions.
Starting structural reductions in LI_LTL mode, iteration 0 : 627/627 places, 31353/31353 transitions.
Reduce places removed 1 places and 1 transitions.
Applied a total of 0 rules in 165 ms. Remains 626 /627 variables (removed 1) and now considering 31352/31353 (removed 1) transitions.
[2023-03-16 20:37:36] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
[2023-03-16 20:37:36] [INFO ] Invariant cache hit.
[2023-03-16 20:37:38] [INFO ] Implicit Places using invariants in 1907 ms returned []
Implicit Place search using SMT only with invariants took 1907 ms to find 0 implicit places.
[2023-03-16 20:37:38] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
[2023-03-16 20:37:38] [INFO ] Invariant cache hit.
[2023-03-16 20:37:47] [INFO ] Dead Transitions using invariants and state equation in 9262 ms found 0 transitions.
Finished structural reductions in LI_LTL mode , in 1 iterations and 11336 ms. Remains : 626/627 places, 31352/31353 transitions.
Running random walk in product with property : RERS17pb113-PT-6-LTLFireability-01 automaton TGBA Formula[mat=[[{ cond=(AND (NOT p3) p2), acceptance={} source=0 dest: 0}, { cond=(AND (NOT p3) (NOT p2)), acceptance={} source=0 dest: 3}], [{ cond=(AND (NOT p0) (NOT p3) p1), acceptance={0} source=1 dest: 1}, { cond=(AND (NOT p0) (NOT p3) (NOT p1)), acceptance={0} source=1 dest: 2}], [{ cond=(AND (NOT p0) (NOT p3) (NOT p2)), acceptance={} source=2 dest: 3}, { cond=(AND (NOT p0) (NOT p3) p2), acceptance={} source=2 dest: 4}], [{ cond=(NOT p3), acceptance={0} source=3 dest: 3}], [{ cond=(AND p0 (NOT p3) p2), acceptance={0} source=4 dest: 0}, { cond=(AND (NOT p3) (NOT p2)), acceptance={0} source=4 dest: 3}, { cond=(AND (NOT p0) (NOT p3) p2), acceptance={0} source=4 dest: 4}]], initial=1, aps=[p3:(AND (GEQ s171 1) (GEQ s591 1)), p2:(AND (GEQ s132 1) (GEQ s134 1)), p0:(AND (GEQ s250 1) (GEQ s462 1)), p1:(AND (GEQ s456 1) (GEQ s519 1))], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, deterministic, no-univ-branch, unambiguous, semi-deterministic, stutter-sensitive, very-weak, weak, inherently-weak, sl-invariant], stateDesc=[null, null, null, null, null][false, false, false, false, false]]
Product exploration explored 100000 steps with 2 reset in 3269 ms.
Product exploration explored 100000 steps with 0 reset in 3349 ms.
Computed a total of 0 stabilizing places and 0 stable transitions
Computed a total of 0 stabilizing places and 0 stable transitions
Knowledge obtained : [(AND (NOT p3) (NOT p2) (NOT p0) (NOT p1)), (X (NOT (AND (NOT p0) (NOT p3) p1))), (X (AND (NOT p0) (NOT p3) (NOT p2))), (X (AND (NOT p0) (NOT p3) (NOT p1))), (X (NOT (AND (NOT p0) (NOT p3) p2))), (X (X (NOT (AND (NOT p0) (NOT p3) p1)))), (X (X (AND (NOT p3) (NOT p2)))), (X (X (AND (NOT p0) (NOT p3) (NOT p2)))), (X (X (AND (NOT p0) (NOT p3) (NOT p1)))), (X (X (NOT (AND (NOT p0) (NOT p3) p2)))), (X (X (NOT p3))), (X (X (NOT (AND p0 (NOT p3) p2))))]
False Knowledge obtained : []
Knowledge sufficient to adopt a stutter insensitive property.
Knowledge based reduction with 12 factoid took 605 ms. Reduced automaton from 5 states, 10 edges and 4 AP (stutter sensitive) to 2 states, 2 edges and 1 AP (stutter sensitive).
Stuttering acceptance computed with spot in 68 ms :[(NOT p3), (NOT p3)]
Incomplete random walk after 10000 steps, including 2 resets, run finished after 263 ms. (steps per millisecond=38 ) properties (out of 1) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 25 ms. (steps per millisecond=400 ) properties (out of 1) seen :0
Interrupted probabilistic random walk after 24477 steps, run timeout after 3002 ms. (steps per millisecond=8 ) properties seen :{}
Probabilistic random walk after 24477 steps, saw 22143 distinct states, run finished after 3002 ms. (steps per millisecond=8 ) properties seen :0
Running SMT prover for 1 properties.
[2023-03-16 20:37:58] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
[2023-03-16 20:37:58] [INFO ] Invariant cache hit.
[2023-03-16 20:37:58] [INFO ] [Real]Absence check using 13 positive place invariants in 6 ms returned sat
[2023-03-16 20:38:14] [INFO ] After 15864ms SMT Verify possible using state equation in real domain returned unsat :0 sat :1
[2023-03-16 20:38:14] [INFO ] State equation strengthened by 268 read => feed constraints.
[2023-03-16 20:38:17] [INFO ] After 3239ms SMT Verify possible using 268 Read/Feed constraints in real domain returned unsat :0 sat :0 real:1
[2023-03-16 20:38:17] [INFO ] After 19292ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
[2023-03-16 20:38:17] [INFO ] [Nat]Absence check using 13 positive place invariants in 5 ms returned sat
[2023-03-16 20:38:32] [INFO ] After 15480ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
[2023-03-16 20:38:37] [INFO ] After 4143ms SMT Verify possible using 268 Read/Feed constraints in natural domain returned unsat :0 sat :1
[2023-03-16 20:38:38] [INFO ] Deduced a trap composed of 65 places in 492 ms of which 1 ms to minimize.
[2023-03-16 20:38:38] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 1351 ms
[2023-03-16 20:38:38] [INFO ] After 5951ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
Attempting to minimize the solution found.
Minimization took 1032 ms.
[2023-03-16 20:38:39] [INFO ] After 22575ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
Parikh walk visited 0 properties in 5 ms.
Support contains 2 out of 626 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 626/626 places, 31352/31352 transitions.
Applied a total of 0 rules in 155 ms. Remains 626 /626 variables (removed 0) and now considering 31352/31352 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 155 ms. Remains : 626/626 places, 31352/31352 transitions.
Incomplete random walk after 10000 steps, including 2 resets, run finished after 321 ms. (steps per millisecond=31 ) properties (out of 1) 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 1) seen :0
Interrupted probabilistic random walk after 23975 steps, run timeout after 3001 ms. (steps per millisecond=7 ) properties seen :{}
Probabilistic random walk after 23975 steps, saw 21690 distinct states, run finished after 3001 ms. (steps per millisecond=7 ) properties seen :0
Running SMT prover for 1 properties.
[2023-03-16 20:38:43] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
[2023-03-16 20:38:43] [INFO ] Invariant cache hit.
[2023-03-16 20:38:43] [INFO ] [Real]Absence check using 13 positive place invariants in 6 ms returned sat
[2023-03-16 20:38:59] [INFO ] After 15384ms SMT Verify possible using state equation in real domain returned unsat :0 sat :1
[2023-03-16 20:38:59] [INFO ] State equation strengthened by 268 read => feed constraints.
[2023-03-16 20:39:02] [INFO ] After 3127ms SMT Verify possible using 268 Read/Feed constraints in real domain returned unsat :0 sat :0 real:1
[2023-03-16 20:39:02] [INFO ] After 18707ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
[2023-03-16 20:39:02] [INFO ] [Nat]Absence check using 13 positive place invariants in 5 ms returned sat
[2023-03-16 20:39:17] [INFO ] After 15538ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
[2023-03-16 20:39:22] [INFO ] After 4153ms SMT Verify possible using 268 Read/Feed constraints in natural domain returned unsat :0 sat :1
[2023-03-16 20:39:23] [INFO ] Deduced a trap composed of 65 places in 523 ms of which 2 ms to minimize.
[2023-03-16 20:39:23] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 1388 ms
[2023-03-16 20:39:23] [INFO ] After 6010ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
Attempting to minimize the solution found.
Minimization took 1048 ms.
[2023-03-16 20:39:24] [INFO ] After 22698ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
Parikh walk visited 0 properties in 4 ms.
Support contains 2 out of 626 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 626/626 places, 31352/31352 transitions.
Applied a total of 0 rules in 164 ms. Remains 626 /626 variables (removed 0) and now considering 31352/31352 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 166 ms. Remains : 626/626 places, 31352/31352 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 626/626 places, 31352/31352 transitions.
Applied a total of 0 rules in 161 ms. Remains 626 /626 variables (removed 0) and now considering 31352/31352 (removed 0) transitions.
[2023-03-16 20:39:25] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
[2023-03-16 20:39:25] [INFO ] Invariant cache hit.
[2023-03-16 20:39:27] [INFO ] Implicit Places using invariants in 1836 ms returned []
Implicit Place search using SMT only with invariants took 1846 ms to find 0 implicit places.
[2023-03-16 20:39:27] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
[2023-03-16 20:39:27] [INFO ] Invariant cache hit.
[2023-03-16 20:39:36] [INFO ] Dead Transitions using invariants and state equation in 9557 ms found 0 transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 11579 ms. Remains : 626/626 places, 31352/31352 transitions.
Knowledge obtained : [(AND (NOT p3) (NOT p2) (NOT p0) (NOT p1)), (X (NOT (AND (NOT p0) (NOT p3) p1))), (X (AND (NOT p0) (NOT p3) (NOT p2))), (X (AND (NOT p0) (NOT p3) (NOT p1))), (X (NOT (AND (NOT p0) (NOT p3) p2))), (X (X (NOT (AND (NOT p0) (NOT p3) p1)))), (X (X (AND (NOT p3) (NOT p2)))), (X (X (AND (NOT p0) (NOT p3) (NOT p2)))), (X (X (AND (NOT p0) (NOT p3) (NOT p1)))), (X (X (NOT (AND (NOT p0) (NOT p3) p2)))), (X (X (NOT p3))), (X (X (NOT (AND p0 (NOT p3) p2))))]
False Knowledge obtained : []
Knowledge based reduction with 12 factoid took 506 ms. Reduced automaton from 2 states, 2 edges and 1 AP (stutter sensitive) to 1 states, 1 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 36 ms :[(NOT p3)]
Stuttering acceptance computed with spot in 51 ms :[(NOT p3)]
[2023-03-16 20:39:37] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
[2023-03-16 20:39:37] [INFO ] Invariant cache hit.
Could not prove EG (NOT p3)
Support contains 2 out of 626 places. Attempting structural reductions.
Property had overlarge support with respect to TGBA, discarding it for now.
Starting structural reductions in SI_LTL mode, iteration 0 : 626/626 places, 31352/31352 transitions.
Applied a total of 0 rules in 159 ms. Remains 626 /626 variables (removed 0) and now considering 31352/31352 (removed 0) transitions.
[2023-03-16 20:39:52] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
[2023-03-16 20:39:52] [INFO ] Invariant cache hit.
[2023-03-16 20:39:54] [INFO ] Implicit Places using invariants in 1796 ms returned []
Implicit Place search using SMT only with invariants took 1810 ms to find 0 implicit places.
[2023-03-16 20:39:54] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
[2023-03-16 20:39:54] [INFO ] Invariant cache hit.
[2023-03-16 20:40:04] [INFO ] Dead Transitions using invariants and state equation in 9583 ms found 0 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 11553 ms. Remains : 626/626 places, 31352/31352 transitions.
Computed a total of 0 stabilizing places and 0 stable transitions
Computed a total of 0 stabilizing places and 0 stable transitions
Knowledge obtained : [(NOT p3), (X (NOT p3)), (X (X (NOT p3)))]
False Knowledge obtained : []
Knowledge based reduction with 3 factoid took 103 ms. Reduced automaton from 1 states, 1 edges and 1 AP (stutter insensitive) to 1 states, 1 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 36 ms :[(NOT p3)]
Finished random walk after 9925 steps, including 2 resets, run visited all 1 properties in 290 ms. (steps per millisecond=34 )
Knowledge obtained : [(NOT p3), (X (NOT p3)), (X (X (NOT p3)))]
False Knowledge obtained : [(F p3)]
Knowledge based reduction with 3 factoid took 140 ms. Reduced automaton from 1 states, 1 edges and 1 AP (stutter insensitive) to 1 states, 1 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 31 ms :[(NOT p3)]
Stuttering acceptance computed with spot in 30 ms :[(NOT p3)]
[2023-03-16 20:40:04] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
[2023-03-16 20:40:04] [INFO ] Invariant cache hit.
Could not prove EG (NOT p3)
Stuttering acceptance computed with spot in 38 ms :[(NOT p3)]
Product exploration explored 100000 steps with 4 reset in 3181 ms.
Product exploration explored 100000 steps with 1 reset in 3280 ms.
Support contains 2 out of 626 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 626/626 places, 31352/31352 transitions.
Applied a total of 0 rules in 157 ms. Remains 626 /626 variables (removed 0) and now considering 31352/31352 (removed 0) transitions.
[2023-03-16 20:40:26] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
[2023-03-16 20:40:26] [INFO ] Invariant cache hit.
[2023-03-16 20:40:28] [INFO ] Implicit Places using invariants in 1885 ms returned []
Implicit Place search using SMT only with invariants took 1894 ms to find 0 implicit places.
[2023-03-16 20:40:28] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
[2023-03-16 20:40:28] [INFO ] Invariant cache hit.
[2023-03-16 20:40:38] [INFO ] Dead Transitions using invariants and state equation in 9512 ms found 0 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 11566 ms. Remains : 626/626 places, 31352/31352 transitions.
Treatment of property RERS17pb113-PT-6-LTLFireability-01 finished in 183555 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)))'
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(G(F(X((!X(G(p0)) U p1)))))||p0)))'
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202303021504/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(F((X(G(p1))&&p0)))'
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202303021504/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!((G((p0||F(p1)))||F((G(p2)||G(p3)))))'
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))||X(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' '!(G(p0))'
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202303021504/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(F(p0))'
[2023-03-16 20:40:40] [INFO ] Flatten gal took : 863 ms
[2023-03-16 20:40:40] [INFO ] Export to MCC of 9 properties in file /home/mcc/execution/LTLFireability.sr.xml took 2 ms.
[2023-03-16 20:40:40] [INFO ] Export to PNML in file /home/mcc/execution/model.sr.pnml of net with 627 places, 31353 transitions and 125406 arcs took 101 ms.
Total runtime 3015346 ms.
There are residual formulas that ITS could not solve within timeout
pnml2lts-mc model.pnml -s80% --procs=4 --ltl=/tmp/3415/ltl_0_ --buchi-type=spotba --strategy=ufscc --ltl-semantics=spin --state=tree
pnml2lts-mc model.pnml -s80% --procs=4 --ltl=/tmp/3415/ltl_1_ --buchi-type=spotba --strategy=ufscc --ltl-semantics=spin --state=tree
pnml2lts-mc model.pnml -s80% --procs=4 --ltl=/tmp/3415/ltl_2_ --buchi-type=spotba --strategy=ufscc --ltl-semantics=spin --state=tree
pnml2lts-mc model.pnml -s80% --procs=4 --ltl=/tmp/3415/ltl_3_ --buchi-type=spotba --strategy=ufscc --ltl-semantics=spin --state=tree
pnml2lts-mc model.pnml -s80% --procs=4 --ltl=/tmp/3415/ltl_4_ --buchi-type=spotba --strategy=ufscc --ltl-semantics=spin --state=tree
pnml2lts-mc model.pnml -s80% --procs=4 --ltl=/tmp/3415/ltl_5_ --buchi-type=spotba --strategy=ufscc --ltl-semantics=spin --state=tree
pnml2lts-mc model.pnml -s80% --procs=4 --ltl=/tmp/3415/ltl_6_ --buchi-type=spotba --strategy=ufscc --ltl-semantics=spin --state=tree
pnml2lts-mc model.pnml -s80% --procs=4 --ltl=/tmp/3415/ltl_7_ --buchi-type=spotba --strategy=ufscc --ltl-semantics=spin --state=tree
pnml2lts-mc model.pnml -s80% --procs=4 --ltl=/tmp/3415/ltl_8_ --buchi-type=spotba --strategy=ufscc --ltl-semantics=spin --state=tree
Could not compute solution for formula : RERS17pb113-PT-6-LTLFireability-00
Could not compute solution for formula : RERS17pb113-PT-6-LTLFireability-01
Could not compute solution for formula : RERS17pb113-PT-6-LTLFireability-03
Could not compute solution for formula : RERS17pb113-PT-6-LTLFireability-05
Could not compute solution for formula : RERS17pb113-PT-6-LTLFireability-07
Could not compute solution for formula : RERS17pb113-PT-6-LTLFireability-08
Could not compute solution for formula : RERS17pb113-PT-6-LTLFireability-09
Could not compute solution for formula : RERS17pb113-PT-6-LTLFireability-11
Could not compute solution for formula : RERS17pb113-PT-6-LTLFireability-13

BK_STOP 1678999293037

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

+ ulimit -s 65536
+ [[ -z '' ]]
+ export LTSMIN_MEM_SIZE=8589934592
+ LTSMIN_MEM_SIZE=8589934592
+ export PYTHONPATH=/home/mcc/BenchKit/itstools/pylibs
+ PYTHONPATH=/home/mcc/BenchKit/itstools/pylibs
+ export LD_LIBRARY_PATH=/home/mcc/BenchKit/itstools/pylibs:
+ LD_LIBRARY_PATH=/home/mcc/BenchKit/itstools/pylibs:
++ sed s/.jar//
++ perl -pe 's/.*\.//g'
++ ls /home/mcc/BenchKit/bin//../reducer/bin//../../itstools//itstools/plugins/fr.lip6.move.gal.application.pnmcc_1.0.0.202303021504.jar
+ VERSION=202303021504
+ echo 'Running Version 202303021504'
+ /home/mcc/BenchKit/bin//../reducer/bin//../../itstools//itstools/its-tools -pnfolder /home/mcc/execution -examination LTLFireability -timeout 360 -rebuildPNML
mcc2023
ltl formula name RERS17pb113-PT-6-LTLFireability-00
ltl formula formula --ltl=/tmp/3415/ltl_0_
pnml2lts-mc: =============================================================================
pnml2lts-mc: Runtime environment could only preallocate 15 GB while requesting 240 GB.
pnml2lts-mc: Configure your system limits to exploit all memory.
pnml2lts-mc: =============================================================================
pnml2lts-mc( 0/ 4): Loading model from model.pnml
pnml2lts-mc( 0/ 4): Edge label is id
Warning: program compiled against libxml 210 using older 209
Warning: program compiled against libxml 210 using older 209
Warning: program compiled against libxml 210 using older 209
Warning: program compiled against libxml 210 using older 209
pnml2lts-mc( 0/ 4): Petri net has 627 places, 31353 transitions and 125406 arcs
pnml2lts-mc( 0/ 4): Petri net Petri analyzed
pnml2lts-mc( 0/ 4): There are no safe places
pnml2lts-mc( 0/ 4): Loading Petri net took 3.420 real 1.130 user 1.080 sys
pnml2lts-mc( 1/ 4): LTL layer: formula: /tmp/3415/ltl_0_
pnml2lts-mc( 0/ 4): LTL layer: formula: /tmp/3415/ltl_0_
pnml2lts-mc( 3/ 4): LTL layer: formula: /tmp/3415/ltl_0_
pnml2lts-mc( 2/ 4): LTL layer: formula: /tmp/3415/ltl_0_
pnml2lts-mc( 0/ 4): buchi has 4 states
pnml2lts-mc( 0/ 4), ** error **: area memory exhausted
double free or corruption (fasttop)
ltl formula name RERS17pb113-PT-6-LTLFireability-01
ltl formula formula --ltl=/tmp/3415/ltl_1_
pnml2lts-mc: =============================================================================
pnml2lts-mc: Runtime environment could only preallocate 15 GB while requesting 240 GB.
pnml2lts-mc: Configure your system limits to exploit all memory.
pnml2lts-mc: =============================================================================
pnml2lts-mc( 0/ 4): Loading model from model.pnml
pnml2lts-mc( 0/ 4): Edge label is id
Warning: program compiled against libxml 210 using older 209
Warning: program compiled against libxml 210 using older 209
Warning: program compiled against libxml 210 using older 209
Warning: program compiled against libxml 210 using older 209
pnml2lts-mc( 0/ 4): Petri net has 627 places, 31353 transitions and 125406 arcs
pnml2lts-mc( 0/ 4): Petri net Petri analyzed
pnml2lts-mc( 0/ 4): There are no safe places
pnml2lts-mc( 0/ 4): Loading Petri net took 3.410 real 1.150 user 1.020 sys
pnml2lts-mc( 0/ 4): LTL layer: formula: /tmp/3415/ltl_1_
pnml2lts-mc( 2/ 4): LTL layer: formula: /tmp/3415/ltl_1_
pnml2lts-mc( 3/ 4): LTL layer: formula: /tmp/3415/ltl_1_
pnml2lts-mc( 1/ 4): LTL layer: formula: /tmp/3415/ltl_1_
pnml2lts-mc( 0/ 4): buchi has 5 states
pnml2lts-mc( 0/ 4), ** error **: area memory exhausted
*** segmentation fault ***

Please send information on how to reproduce this problem to:
ltsmin-support@lists.utwente.nl
along with all output preceding this message.
In addition, include the following information:
Package: ltsmin 3.1.0
Stack trace:
malloc_consolidate(): invalid chunk size
ltl formula name RERS17pb113-PT-6-LTLFireability-03
ltl formula formula --ltl=/tmp/3415/ltl_2_
pnml2lts-mc: =============================================================================
pnml2lts-mc: Runtime environment could only preallocate 15 GB while requesting 240 GB.
pnml2lts-mc: Configure your system limits to exploit all memory.
pnml2lts-mc: =============================================================================
Warning: program compiled against libxml 210 using older 209
Warning: program compiled against libxml 210 using older 209
pnml2lts-mc( 0/ 4): Loading model from model.pnml
pnml2lts-mc( 0/ 4): Edge label is id
Warning: program compiled against libxml 210 using older 209
Warning: program compiled against libxml 210 using older 209
pnml2lts-mc( 0/ 4): Petri net has 627 places, 31353 transitions and 125406 arcs
pnml2lts-mc( 0/ 4): Petri net Petri analyzed
pnml2lts-mc( 0/ 4): There are no safe places
pnml2lts-mc( 0/ 4): Loading Petri net took 3.190 real 1.190 user 0.990 sys
pnml2lts-mc( 0/ 4): LTL layer: formula: /tmp/3415/ltl_2_
pnml2lts-mc( 2/ 4): LTL layer: formula: /tmp/3415/ltl_2_
pnml2lts-mc( 1/ 4): LTL layer: formula: /tmp/3415/ltl_2_
pnml2lts-mc( 3/ 4): LTL layer: formula: /tmp/3415/ltl_2_
pnml2lts-mc( 0/ 4): buchi has 2 states
pnml2lts-mc( 0/ 4), ** error **: area memory exhausted
double free or corruption (fasttop)
ltl formula name RERS17pb113-PT-6-LTLFireability-05
ltl formula formula --ltl=/tmp/3415/ltl_3_
pnml2lts-mc: =============================================================================
pnml2lts-mc: Runtime environment could only preallocate 15 GB while requesting 240 GB.
pnml2lts-mc: Configure your system limits to exploit all memory.
pnml2lts-mc: =============================================================================
pnml2lts-mc( 0/ 4): Loading model from model.pnml
pnml2lts-mc( 0/ 4): Edge label is id
Warning: program compiled against libxml 210 using older 209
Warning: program compiled against libxml 210 using older 209
Warning: program compiled against libxml 210 using older 209
Warning: program compiled against libxml 210 using older 209
pnml2lts-mc( 0/ 4): Petri net has 627 places, 31353 transitions and 125406 arcs
pnml2lts-mc( 0/ 4): Petri net Petri analyzed
pnml2lts-mc( 0/ 4): There are no safe places
pnml2lts-mc( 0/ 4): Loading Petri net took 3.230 real 1.080 user 1.130 sys
pnml2lts-mc( 3/ 4): LTL layer: formula: /tmp/3415/ltl_3_
pnml2lts-mc( 1/ 4): LTL layer: formula: /tmp/3415/ltl_3_
pnml2lts-mc( 0/ 4): LTL layer: formula: /tmp/3415/ltl_3_
pnml2lts-mc( 2/ 4): LTL layer: formula: /tmp/3415/ltl_3_
pnml2lts-mc( 0/ 4): buchi has 2 states
pnml2lts-mc( 0/ 4): Weak Buchi automaton detected, adding non-accepting as progress label.
pnml2lts-mc( 0/ 4), ** error **: area memory exhausted
double free or corruption (fasttop)
ltl formula name RERS17pb113-PT-6-LTLFireability-07
ltl formula formula --ltl=/tmp/3415/ltl_4_
pnml2lts-mc: =============================================================================
pnml2lts-mc: Runtime environment could only preallocate 15 GB while requesting 240 GB.
pnml2lts-mc: Configure your system limits to exploit all memory.
pnml2lts-mc: =============================================================================
Warning: program compiled against libxml 210 using older 209
pnml2lts-mc( 0/ 4): Loading model from model.pnml
pnml2lts-mc( 0/ 4): Edge label is id
Warning: program compiled against libxml 210 using older 209
Warning: program compiled against libxml 210 using older 209
Warning: program compiled against libxml 210 using older 209
pnml2lts-mc( 0/ 4): Petri net has 627 places, 31353 transitions and 125406 arcs
pnml2lts-mc( 0/ 4): Petri net Petri analyzed
pnml2lts-mc( 0/ 4): There are no safe places
pnml2lts-mc( 0/ 4): Loading Petri net took 3.590 real 1.150 user 1.010 sys
pnml2lts-mc( 2/ 4): LTL layer: formula: /tmp/3415/ltl_4_
pnml2lts-mc( 0/ 4): LTL layer: formula: /tmp/3415/ltl_4_
pnml2lts-mc( 1/ 4): LTL layer: formula: /tmp/3415/ltl_4_
pnml2lts-mc( 0/ 4): buchi has 3 states
pnml2lts-mc( 3/ 4): LTL layer: formula: /tmp/3415/ltl_4_
pnml2lts-mc( 0/ 4), ** error **: area memory exhausted
*** segmentation fault ***

Please send information on how to reproduce this problem to:
ltsmin-support@lists.utwente.nl
along with all output preceding this message.
In addition, include the following information:
Package: ltsmin 3.1.0
Stack trace:
malloc_consolidate(): invalid chunk size
ltl formula name RERS17pb113-PT-6-LTLFireability-08
ltl formula formula --ltl=/tmp/3415/ltl_5_
pnml2lts-mc: =============================================================================
pnml2lts-mc: Runtime environment could only preallocate 15 GB while requesting 240 GB.
pnml2lts-mc: Configure your system limits to exploit all memory.
pnml2lts-mc: =============================================================================
pnml2lts-mc( 0/ 4): Loading model from model.pnml
pnml2lts-mc( 0/ 4): Edge label is id
Warning: program compiled against libxml 210 using older 209
Warning: program compiled against libxml 210 using older 209
Warning: program compiled against libxml 210 using older 209
Warning: program compiled against libxml 210 using older 209
pnml2lts-mc( 0/ 4): Petri net has 627 places, 31353 transitions and 125406 arcs
pnml2lts-mc( 0/ 4): Petri net Petri analyzed
pnml2lts-mc( 0/ 4): There are no safe places
pnml2lts-mc( 0/ 4): Loading Petri net took 3.150 real 1.080 user 1.150 sys
pnml2lts-mc( 0/ 4): LTL layer: formula: /tmp/3415/ltl_5_
pnml2lts-mc( 1/ 4): LTL layer: formula: /tmp/3415/ltl_5_
pnml2lts-mc( 3/ 4): LTL layer: formula: /tmp/3415/ltl_5_
pnml2lts-mc( 2/ 4): LTL layer: formula: /tmp/3415/ltl_5_
pnml2lts-mc( 0/ 4): buchi has 4 states
pnml2lts-mc( 0/ 4), ** error **: area memory exhausted
*** segmentation fault ***

Please send information on how to reproduce this problem to:
ltsmin-support@lists.utwente.nl
along with all output preceding this message.
In addition, include the following information:
Package: ltsmin 3.1.0
Stack trace:
malloc_consolidate(): invalid chunk size
ltl formula name RERS17pb113-PT-6-LTLFireability-09
ltl formula formula --ltl=/tmp/3415/ltl_6_
pnml2lts-mc: =============================================================================
pnml2lts-mc: Runtime environment could only preallocate 15 GB while requesting 240 GB.
pnml2lts-mc: Configure your system limits to exploit all memory.
pnml2lts-mc: =============================================================================
pnml2lts-mc( 0/ 4): Loading model from model.pnml
pnml2lts-mc( 0/ 4): Edge label is id
Warning: program compiled against libxml 210 using older 209
Warning: program compiled against libxml 210 using older 209
Warning: program compiled against libxml 210 using older 209
Warning: program compiled against libxml 210 using older 209
pnml2lts-mc( 0/ 4): Petri net has 627 places, 31353 transitions and 125406 arcs
pnml2lts-mc( 0/ 4): Petri net Petri analyzed
pnml2lts-mc( 0/ 4): There are no safe places
pnml2lts-mc( 0/ 4): Loading Petri net took 3.350 real 1.130 user 1.040 sys
pnml2lts-mc( 3/ 4): LTL layer: formula: /tmp/3415/ltl_6_
pnml2lts-mc( 2/ 4): LTL layer: formula: /tmp/3415/ltl_6_
pnml2lts-mc( 0/ 4): LTL layer: formula: /tmp/3415/ltl_6_
pnml2lts-mc( 1/ 4): LTL layer: formula: /tmp/3415/ltl_6_
pnml2lts-mc( 0/ 4): buchi has 4 states
pnml2lts-mc( 0/ 4): Weak Buchi automaton detected, adding non-accepting as progress label.
pnml2lts-mc( 0/ 4), ** error **: area memory exhausted
double free or corruption (fasttop)
ltl formula name RERS17pb113-PT-6-LTLFireability-11
ltl formula formula --ltl=/tmp/3415/ltl_7_
pnml2lts-mc: =============================================================================
pnml2lts-mc: Runtime environment could only preallocate 15 GB while requesting 240 GB.
pnml2lts-mc: Configure your system limits to exploit all memory.
pnml2lts-mc: =============================================================================
Warning: program compiled against libxml 210 using older 209
Warning: program compiled against libxml 210 using older 209
Warning: program compiled against libxml 210 using older 209
pnml2lts-mc( 0/ 4): Loading model from model.pnml
pnml2lts-mc( 0/ 4): Edge label is id
Warning: program compiled against libxml 210 using older 209
pnml2lts-mc( 0/ 4): Petri net has 627 places, 31353 transitions and 125406 arcs
pnml2lts-mc( 0/ 4): Petri net Petri analyzed
pnml2lts-mc( 0/ 4): There are no safe places
pnml2lts-mc( 0/ 4): Loading Petri net took 3.200 real 1.060 user 1.140 sys
pnml2lts-mc( 1/ 4): LTL layer: formula: /tmp/3415/ltl_7_
pnml2lts-mc( 2/ 4): LTL layer: formula: /tmp/3415/ltl_7_
pnml2lts-mc( 3/ 4): LTL layer: formula: /tmp/3415/ltl_7_
pnml2lts-mc( 0/ 4): LTL layer: formula: /tmp/3415/ltl_7_
pnml2lts-mc( 0/ 4): buchi has 2 states
pnml2lts-mc( 0/ 4): Weak Buchi automaton detected, adding non-accepting as progress label.
pnml2lts-mc( 0/ 4), ** error **: area memory exhausted
double free or corruption (fasttop)
ltl formula name RERS17pb113-PT-6-LTLFireability-13
ltl formula formula --ltl=/tmp/3415/ltl_8_
pnml2lts-mc: =============================================================================
pnml2lts-mc: Runtime environment could only preallocate 15 GB while requesting 240 GB.
pnml2lts-mc: Configure your system limits to exploit all memory.
pnml2lts-mc: =============================================================================
pnml2lts-mc( 0/ 4): Loading model from model.pnml
pnml2lts-mc( 0/ 4): Edge label is id
Warning: program compiled against libxml 210 using older 209
Warning: program compiled against libxml 210 using older 209
Warning: program compiled against libxml 210 using older 209
Warning: program compiled against libxml 210 using older 209
pnml2lts-mc( 0/ 4): Petri net has 627 places, 31353 transitions and 125406 arcs
pnml2lts-mc( 0/ 4): Petri net Petri analyzed
pnml2lts-mc( 0/ 4): There are no safe places
pnml2lts-mc( 0/ 4): Loading Petri net took 3.220 real 1.210 user 0.930 sys
pnml2lts-mc( 1/ 4): LTL layer: formula: /tmp/3415/ltl_8_
pnml2lts-mc( 2/ 4): LTL layer: formula: /tmp/3415/ltl_8_
pnml2lts-mc( 3/ 4): LTL layer: formula: /tmp/3415/ltl_8_
pnml2lts-mc( 0/ 4): LTL layer: formula: /tmp/3415/ltl_8_
pnml2lts-mc( 0/ 4): buchi has 1 states
pnml2lts-mc( 0/ 4): Weak Buchi automaton detected, adding non-accepting as progress label.
pnml2lts-mc( 0/ 4), ** error **: area memory exhausted
*** segmentation fault ***

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

Sequence of Actions to be Executed by the VM

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

set -x
# this is for BenchKit: configuration of major elements for the test
export BK_INPUT="RERS17pb113-PT-6"
export BK_EXAMINATION="LTLFireability"
export BK_TOOL="ltsminxred"
export BK_RESULT_DIR="/tmp/BK_RESULTS/OUTPUTS"
export BK_TIME_CONFINEMENT="3600"
export BK_MEMORY_CONFINEMENT="16384"
export BK_BIN_PATH="/home/mcc/BenchKit/bin/"

# this is specific to your benchmark or test

export BIN_DIR="$HOME/BenchKit/bin"

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

# this is for BenchKit: explicit launching of the test
echo "====================================================================="
echo " Generated by BenchKit 2-5348"
echo " Executing tool ltsminxred"
echo " Input is RERS17pb113-PT-6, examination is LTLFireability"
echo " Time confinement is $BK_TIME_CONFINEMENT seconds"
echo " Memory confinement is 16384 MBytes"
echo " Number of cores is 4"
echo " Run identifier is r329-tall-167889201500044"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/RERS17pb113-PT-6.tgz
mv RERS17pb113-PT-6 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 ;