fond
Model Checking Contest 2023
13th edition, Paris, France, April 26, 2023 (at TOOLympics II)
Execution of r329-tall-167889201500012
Last Updated
May 14, 2023

About the Execution of LTSMin+red for RERS17pb113-PT-2

Execution Summary
Max Memory
Used (MB)
Time wait (ms) CPU Usage (ms) I/O Wait (ms) Computed Result Execution
Status
7083.903 3596550.00 3927740.00 9238.30 F?F?F???T?F?F??? 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-167889201500012.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)
.....................................................................
=====================================================================
Generated by BenchKit 2-5348
Executing tool ltsminxred
Input is RERS17pb113-PT-2, examination is LTLFireability
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r329-tall-167889201500012
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 15M
-rw-r--r-- 1 mcc users 6.4K Feb 26 18:12 CTLCardinality.txt
-rw-r--r-- 1 mcc users 66K Feb 26 18:12 CTLCardinality.xml
-rw-r--r-- 1 mcc users 6.0K Feb 26 18:11 CTLFireability.txt
-rw-r--r-- 1 mcc users 40K Feb 26 18:11 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 3.5K Feb 25 16:37 LTLCardinality.txt
-rw-r--r-- 1 mcc users 25K Feb 25 16:37 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.9K Feb 25 16:37 LTLFireability.txt
-rw-r--r-- 1 mcc users 17K Feb 25 16:37 LTLFireability.xml
-rw-r--r-- 1 mcc users 7.7K Feb 26 18:18 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 73K Feb 26 18:18 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 8.6K Feb 26 18:15 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 51K Feb 26 18:15 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.6K Feb 25 16:37 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.6K Feb 25 16:37 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-2-LTLFireability-00
FORMULA_NAME RERS17pb113-PT-2-LTLFireability-01
FORMULA_NAME RERS17pb113-PT-2-LTLFireability-02
FORMULA_NAME RERS17pb113-PT-2-LTLFireability-03
FORMULA_NAME RERS17pb113-PT-2-LTLFireability-04
FORMULA_NAME RERS17pb113-PT-2-LTLFireability-05
FORMULA_NAME RERS17pb113-PT-2-LTLFireability-06
FORMULA_NAME RERS17pb113-PT-2-LTLFireability-07
FORMULA_NAME RERS17pb113-PT-2-LTLFireability-08
FORMULA_NAME RERS17pb113-PT-2-LTLFireability-09
FORMULA_NAME RERS17pb113-PT-2-LTLFireability-10
FORMULA_NAME RERS17pb113-PT-2-LTLFireability-11
FORMULA_NAME RERS17pb113-PT-2-LTLFireability-12
FORMULA_NAME RERS17pb113-PT-2-LTLFireability-13
FORMULA_NAME RERS17pb113-PT-2-LTLFireability-14
FORMULA_NAME RERS17pb113-PT-2-LTLFireability-15

=== Now, execution of the tool begins

BK_START 1678981544985

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-2
Applying reductions before tool ltsmin
Invoking reducer
Running Version 202303021504
[2023-03-16 15:45:46] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, LTLFireability, -timeout, 360, -rebuildPNML]
[2023-03-16 15:45:46] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2023-03-16 15:45:47] [INFO ] Load time of PNML (sax parser for PT used): 748 ms
[2023-03-16 15:45:47] [INFO ] Transformed 639 places.
[2023-03-16 15:45:47] [INFO ] Transformed 31353 transitions.
[2023-03-16 15:45:47] [INFO ] Parsed PT model containing 639 places and 31353 transitions and 125418 arcs in 1080 ms.
Parsed 16 properties from file /home/mcc/execution/LTLFireability.xml in 15 ms.
Working with output stream class java.io.PrintStream
Initial state reduction rules removed 3 formulas.
FORMULA RERS17pb113-PT-2-LTLFireability-02 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA RERS17pb113-PT-2-LTLFireability-10 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA RERS17pb113-PT-2-LTLFireability-12 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Support contains 55 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 207 ms. Remains 627 /639 variables (removed 12) and now considering 31353/31353 (removed 0) transitions.
[2023-03-16 15:45:48] [INFO ] Flow matrix only has 18326 transitions (discarded 13027 similar events)
// Phase 1: matrix 18326 rows 627 cols
[2023-03-16 15:45:48] [INFO ] Computed 13 place invariants in 108 ms
[2023-03-16 15:45:50] [INFO ] Implicit Places using invariants in 2202 ms returned []
Implicit Place search using SMT only with invariants took 2229 ms to find 0 implicit places.
[2023-03-16 15:45:50] [INFO ] Flow matrix only has 18326 transitions (discarded 13027 similar events)
[2023-03-16 15:45:50] [INFO ] Invariant cache hit.
[2023-03-16 15:45:59] [INFO ] Dead Transitions using invariants and state equation in 8822 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 11269 ms. Remains : 627/639 places, 31353/31353 transitions.
Support contains 55 out of 627 places after structural reductions.
[2023-03-16 15:46:00] [INFO ] Flatten gal took : 1067 ms
[2023-03-16 15:46:01] [INFO ] Flatten gal took : 749 ms
[2023-03-16 15:46:03] [INFO ] Input system was already deterministic with 31353 transitions.
Incomplete random walk after 10000 steps, including 2 resets, run finished after 737 ms. (steps per millisecond=13 ) properties (out of 28) seen :10
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 13 ms. (steps per millisecond=77 ) properties (out of 18) 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 18) 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 18) 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 18) 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 18) 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 18) 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 18) 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 18) 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 18) 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 18) 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 18) 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 18) 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 18) 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 18) 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 18) 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 18) 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 18) 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 18) seen :0
Running SMT prover for 18 properties.
[2023-03-16 15:46:04] [INFO ] Flow matrix only has 18326 transitions (discarded 13027 similar events)
[2023-03-16 15:46:04] [INFO ] Invariant cache hit.
[2023-03-16 15:46:05] [INFO ] [Real]Absence check using 13 positive place invariants in 24 ms returned sat
java.lang.RuntimeException: SMT solver raised an error when submitting script. Raised (error "Failed to assert expression: java.io.IOException: Stream close...
at fr.lip6.move.gal.structural.smt.SMTUtils.execAndCheckResult(SMTUtils.java:251)
at fr.lip6.move.gal.structural.smt.DeadlockTester.checkResults(DeadlockTester.java:797)
at fr.lip6.move.gal.structural.smt.DeadlockTester.verifyPossible(DeadlockTester.java:631)
at fr.lip6.move.gal.structural.smt.DeadlockTester.testUnreachableWithSMTIncremental(DeadlockTester.java: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 15:46:29] [WARNING] SMT solver failed with error :SMT solver raised an error when submitting script.... while checking expressions.
[2023-03-16 15:46:29] [INFO ] After 25053ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0
Fused 18 Parikh solutions to 1 different solutions.
Parikh walk visited 0 properties in 0 ms.
Support contains 37 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 478 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 479 ms. Remains : 626/627 places, 31352/31353 transitions.
Incomplete random walk after 10000 steps, including 2 resets, run finished after 513 ms. (steps per millisecond=19 ) properties (out of 18) seen :4
Incomplete Best-First random walk after 10000 steps, including 2 resets, run finished after 62 ms. (steps per millisecond=161 ) properties (out of 14) 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 14) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 54 ms. (steps per millisecond=185 ) properties (out of 14) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 47 ms. (steps per millisecond=212 ) properties (out of 14) 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 14) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 50 ms. (steps per millisecond=200 ) properties (out of 14) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 43 ms. (steps per millisecond=232 ) properties (out of 14) seen :1
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 54 ms. (steps per millisecond=185 ) properties (out of 13) 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 13) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 53 ms. (steps per millisecond=188 ) properties (out of 13) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 42 ms. (steps per millisecond=238 ) properties (out of 13) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 52 ms. (steps per millisecond=192 ) properties (out of 13) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 48 ms. (steps per millisecond=208 ) properties (out of 13) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 47 ms. (steps per millisecond=212 ) properties (out of 13) seen :0
Running SMT prover for 13 properties.
[2023-03-16 15:46:31] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
// Phase 1: matrix 18325 rows 626 cols
[2023-03-16 15:46:31] [INFO ] Computed 13 place invariants in 62 ms
[2023-03-16 15:46:31] [INFO ] [Real]Absence check using 13 positive place invariants in 6 ms returned sat
[2023-03-16 15:46:53] [INFO ] After 22016ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:13
[2023-03-16 15:46:53] [INFO ] [Nat]Absence check using 13 positive place invariants in 6 ms returned sat
[2023-03-16 15:47:17] [INFO ] After 23060ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :13
[2023-03-16 15:47:17] [INFO ] State equation strengthened by 268 read => feed constraints.
[2023-03-16 15:47:18] [INFO ] After 1470ms SMT Verify possible using 268 Read/Feed constraints in natural domain returned unsat :0 sat :12
[2023-03-16 15:47:18] [INFO ] After 1471ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :12
Attempting to minimize the solution found.
Minimization took 6 ms.
[2023-03-16 15:47:18] [INFO ] After 25030ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :12
Parikh walk visited 0 properties in 76 ms.
Support contains 30 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 594 ms. (steps per millisecond=16 ) properties (out of 13) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 52 ms. (steps per millisecond=192 ) properties (out of 13) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 40 ms. (steps per millisecond=250 ) properties (out of 13) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 40 ms. (steps per millisecond=250 ) properties (out of 13) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 40 ms. (steps per millisecond=250 ) properties (out of 13) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 43 ms. (steps per millisecond=232 ) properties (out of 13) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 50 ms. (steps per millisecond=200 ) properties (out of 13) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 53 ms. (steps per millisecond=188 ) properties (out of 13) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 42 ms. (steps per millisecond=238 ) properties (out of 13) 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 13) seen :0
Incomplete Best-First random walk after 10000 steps, including 2 resets, run finished after 40 ms. (steps per millisecond=250 ) properties (out of 13) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 47 ms. (steps per millisecond=212 ) properties (out of 13) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 42 ms. (steps per millisecond=238 ) properties (out of 13) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 43 ms. (steps per millisecond=232 ) properties (out of 13) seen :0
Interrupted probabilistic random walk after 17916 steps, run timeout after 3001 ms. (steps per millisecond=5 ) properties seen :{}
Probabilistic random walk after 17916 steps, saw 15557 distinct states, run finished after 3003 ms. (steps per millisecond=5 ) properties seen :0
Running SMT prover for 13 properties.
[2023-03-16 15:47:23] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
[2023-03-16 15:47:23] [INFO ] Invariant cache hit.
[2023-03-16 15:47:23] [INFO ] [Real]Absence check using 13 positive place invariants in 6 ms returned sat
[2023-03-16 15:47:46] [INFO ] After 23150ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:13
[2023-03-16 15:47:46] [INFO ] [Nat]Absence check using 13 positive place invariants in 8 ms returned sat
[2023-03-16 15:48:08] [INFO ] After 21698ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :13
[2023-03-16 15:48:08] [INFO ] State equation strengthened by 268 read => feed constraints.
[2023-03-16 15:48:11] [INFO ] After 2948ms SMT Verify possible using 268 Read/Feed constraints in natural domain returned unsat :0 sat :12
[2023-03-16 15:48:11] [INFO ] After 2949ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :12
Attempting to minimize the solution found.
Minimization took 10 ms.
[2023-03-16 15:48:11] [INFO ] After 25041ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :12
Parikh walk visited 0 properties in 48 ms.
Support contains 30 out of 626 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 626/626 places, 31352/31352 transitions.
Applied a total of 0 rules in 161 ms. Remains 626 /626 variables (removed 0) and now considering 31352/31352 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 161 ms. Remains : 626/626 places, 31352/31352 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 626/626 places, 31352/31352 transitions.
Applied a total of 0 rules in 160 ms. Remains 626 /626 variables (removed 0) and now considering 31352/31352 (removed 0) transitions.
[2023-03-16 15:48:11] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
[2023-03-16 15:48:11] [INFO ] Invariant cache hit.
[2023-03-16 15:48:13] [INFO ] Implicit Places using invariants in 1633 ms returned []
Implicit Place search using SMT only with invariants took 1635 ms to find 0 implicit places.
[2023-03-16 15:48:13] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
[2023-03-16 15:48:13] [INFO ] Invariant cache hit.
[2023-03-16 15:48:21] [INFO ] Dead Transitions using invariants and state equation in 8095 ms found 0 transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 9893 ms. Remains : 626/626 places, 31352/31352 transitions.
Computed a total of 1 stabilizing places and 1 stable transitions
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202303021504/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!((X(p0) U G((X(F((X(p0) U p2)))&&p1))))'
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 81 ms. Remains 627 /627 variables (removed 0) and now considering 31353/31353 (removed 0) transitions.
[2023-03-16 15:48:22] [INFO ] Flow matrix only has 18326 transitions (discarded 13027 similar events)
// Phase 1: matrix 18326 rows 627 cols
[2023-03-16 15:48:22] [INFO ] Computed 13 place invariants in 67 ms
[2023-03-16 15:48:23] [INFO ] Implicit Places using invariants in 1812 ms returned []
Implicit Place search using SMT only with invariants took 1818 ms to find 0 implicit places.
[2023-03-16 15:48:23] [INFO ] Flow matrix only has 18326 transitions (discarded 13027 similar events)
[2023-03-16 15:48:23] [INFO ] Invariant cache hit.
[2023-03-16 15:48:32] [INFO ] Dead Transitions using invariants and state equation in 8629 ms found 0 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 10530 ms. Remains : 627/627 places, 31353/31353 transitions.
Stuttering acceptance computed with spot in 352 ms :[(OR (NOT p2) (NOT p1)), (NOT p0), (NOT p2), (AND (NOT p1) (NOT p0)), true, (AND (NOT p1) p0)]
Running random walk in product with property : RERS17pb113-PT-2-LTLFireability-00 automaton TGBA Formula[mat=[[{ cond=p1, acceptance={} source=0 dest: 0}, { cond=(NOT p1), acceptance={0} source=0 dest: 0}, { cond=(NOT p1), acceptance={} source=0 dest: 1}, { cond=(AND p1 (NOT p2)), acceptance={} source=0 dest: 2}, { cond=p1, acceptance={} source=0 dest: 3}], [{ cond=(NOT p0), acceptance={} source=1 dest: 4}], [{ cond=(NOT p2), acceptance={0} source=2 dest: 2}], [{ cond=(AND (NOT p1) (NOT p0)), acceptance={} source=3 dest: 4}, { cond=(AND p1 (NOT p0)), acceptance={} source=3 dest: 5}], [{ cond=true, acceptance={0} source=4 dest: 4}], [{ cond=(AND (NOT p1) p0), acceptance={} source=5 dest: 4}, { cond=(AND p1 p0), acceptance={} source=5 dest: 5}]], initial=0, aps=[p1:(AND (GEQ s140 1) (GEQ s573 1) (GEQ s156 1) (GEQ s224 1)), p2:(AND (GEQ s378 1) (GEQ s508 1)), p0:(AND (GEQ s125 1) (GEQ s131 1))], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, no-univ-branch, stutter-sensitive], stateDesc=[null, null, null, null, null, null][false, false, false, false, false, false]]
Entered a terminal (fully accepting) state of product in 1 steps with 0 reset in 6 ms.
FORMULA RERS17pb113-PT-2-LTLFireability-00 FALSE TECHNIQUES STUTTER_TEST
Treatment of property RERS17pb113-PT-2-LTLFireability-00 finished in 11032 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(p0)&&F((p1||G(p2))))))'
Support contains 6 out of 627 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 627/627 places, 31353/31353 transitions.
Applied a total of 0 rules in 79 ms. Remains 627 /627 variables (removed 0) and now considering 31353/31353 (removed 0) transitions.
[2023-03-16 15:48:33] [INFO ] Flow matrix only has 18326 transitions (discarded 13027 similar events)
[2023-03-16 15:48:33] [INFO ] Invariant cache hit.
[2023-03-16 15:48:34] [INFO ] Implicit Places using invariants in 1710 ms returned []
Implicit Place search using SMT only with invariants took 1711 ms to find 0 implicit places.
[2023-03-16 15:48:34] [INFO ] Flow matrix only has 18326 transitions (discarded 13027 similar events)
[2023-03-16 15:48:34] [INFO ] Invariant cache hit.
[2023-03-16 15:48:43] [INFO ] Dead Transitions using invariants and state equation in 8410 ms found 0 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 10202 ms. Remains : 627/627 places, 31353/31353 transitions.
Stuttering acceptance computed with spot in 123 ms :[(OR (NOT p0) (AND (NOT p1) (NOT p2))), (NOT p0), (AND (NOT p1) (NOT p2))]
Running random walk in product with property : RERS17pb113-PT-2-LTLFireability-01 automaton TGBA Formula[mat=[[{ cond=true, acceptance={} source=0 dest: 1}, { cond=(NOT p1), acceptance={} source=0 dest: 2}], [{ cond=(NOT p0), acceptance={0} source=1 dest: 1}, { cond=(AND (NOT p1) (NOT p0)), acceptance={} source=1 dest: 2}], [{ cond=(AND (NOT p1) p2), acceptance={} source=2 dest: 2}, { cond=(AND (NOT p1) (NOT p2)), acceptance={0} source=2 dest: 2}]], initial=0, aps=[p1:(AND (GEQ s0 1) (GEQ s151 1)), p0:(AND (GEQ s412 1) (GEQ s476 1)), p2:(AND (GEQ s284 1) (GEQ s348 1))], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, no-univ-branch, stutter-sensitive], stateDesc=[null, null, null][false, false, false]]
Product exploration explored 100000 steps with 4 reset in 3099 ms.
Product exploration explored 100000 steps with 4 reset in 3124 ms.
Computed a total of 1 stabilizing places and 1 stable transitions
Computed a total of 1 stabilizing places and 1 stable transitions
Knowledge obtained : [(AND (NOT p1) (NOT p0) (NOT p2)), (X (NOT (AND (NOT p1) p2))), (X (AND (NOT p1) (NOT p2))), (X (NOT p0)), (X (AND (NOT p1) (NOT p0))), (X (X (NOT (AND (NOT p1) p2)))), (X (X (AND (NOT p1) (NOT p2)))), (X (X (NOT p0))), (X (X (AND (NOT p1) (NOT p0))))]
False Knowledge obtained : []
Knowledge based reduction with 9 factoid took 329 ms. Reduced automaton from 3 states, 6 edges and 3 AP (stutter sensitive) to 3 states, 6 edges and 3 AP (stutter sensitive).
Stuttering acceptance computed with spot in 124 ms :[(OR (NOT p0) (AND (NOT p1) (NOT p2))), (NOT p0), (AND (NOT p1) (NOT p2))]
Incomplete random walk after 10000 steps, including 2 resets, run finished after 481 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 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 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 46 ms. (steps per millisecond=217 ) properties (out of 4) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 40 ms. (steps per millisecond=250 ) properties (out of 4) seen :0
Interrupted probabilistic random walk after 20872 steps, run timeout after 3001 ms. (steps per millisecond=6 ) properties seen :{}
Probabilistic random walk after 20872 steps, saw 18206 distinct states, run finished after 3001 ms. (steps per millisecond=6 ) properties seen :0
Running SMT prover for 4 properties.
[2023-03-16 15:48:53] [INFO ] Flow matrix only has 18326 transitions (discarded 13027 similar events)
[2023-03-16 15:48:53] [INFO ] Invariant cache hit.
[2023-03-16 15:48:54] [INFO ] [Real]Absence check using 13 positive place invariants in 6 ms returned sat
[2023-03-16 15:48:54] [INFO ] After 190ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:4
[2023-03-16 15:48:54] [INFO ] [Nat]Absence check using 13 positive place invariants in 6 ms returned sat
[2023-03-16 15:49:14] [INFO ] After 20009ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :4
[2023-03-16 15:49:14] [INFO ] State equation strengthened by 829 read => feed constraints.
[2023-03-16 15:49:19] [INFO ] After 4745ms SMT Verify possible using 829 Read/Feed constraints in natural domain returned unsat :0 sat :3
[2023-03-16 15:49:19] [INFO ] After 4746ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :3
Attempting to minimize the solution found.
Minimization took 14 ms.
[2023-03-16 15:49:19] [INFO ] After 25045ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :3
Parikh walk visited 0 properties in 17 ms.
Support contains 6 out of 627 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 627/627 places, 31353/31353 transitions.
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 0 with 1 rules applied. Total rules applied 1 place count 626 transition count 31352
Applied a total of 1 rules in 371 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 372 ms. Remains : 626/627 places, 31352/31353 transitions.
Incomplete random walk after 10000 steps, including 2 resets, run finished after 422 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 38 ms. (steps per millisecond=263 ) properties (out of 2) 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 2) seen :0
Running SMT prover for 2 properties.
[2023-03-16 15:49:20] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
// Phase 1: matrix 18325 rows 626 cols
[2023-03-16 15:49:20] [INFO ] Computed 13 place invariants in 47 ms
[2023-03-16 15:49:20] [INFO ] [Real]Absence check using 13 positive place invariants in 6 ms returned sat
[2023-03-16 15:49:39] [INFO ] After 19234ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:2
[2023-03-16 15:49:39] [INFO ] [Nat]Absence check using 13 positive place invariants in 6 ms returned sat
[2023-03-16 15:49:58] [INFO ] After 19104ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :2
[2023-03-16 15:49:58] [INFO ] State equation strengthened by 268 read => feed constraints.
[2023-03-16 15:50:04] [INFO ] After 5728ms SMT Verify possible using 268 Read/Feed constraints in natural domain returned unsat :0 sat :1
[2023-03-16 15:50:04] [INFO ] After 5733ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
Attempting to minimize the solution found.
Minimization took 11 ms.
[2023-03-16 15:50:04] [INFO ] After 25053ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
Parikh walk visited 0 properties in 13 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 174 ms. Remains 626 /626 variables (removed 0) and now considering 31352/31352 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 174 ms. Remains : 626/626 places, 31352/31352 transitions.
Incomplete random walk after 10000 steps, including 2 resets, run finished after 294 ms. (steps per millisecond=34 ) properties (out of 2) seen :1
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 29 ms. (steps per millisecond=344 ) properties (out of 1) seen :0
Running SMT prover for 1 properties.
[2023-03-16 15:50:04] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
[2023-03-16 15:50:04] [INFO ] Invariant cache hit.
[2023-03-16 15:50:05] [INFO ] [Real]Absence check using 13 positive place invariants in 5 ms returned sat
[2023-03-16 15:50:21] [INFO ] After 16239ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
[2023-03-16 15:50:21] [INFO ] [Nat]Absence check using 13 positive place invariants in 6 ms returned sat
[2023-03-16 15:50:35] [INFO ] After 14067ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
[2023-03-16 15:50:35] [INFO ] State equation strengthened by 268 read => feed constraints.
[2023-03-16 15:50:41] [INFO ] After 6440ms SMT Verify possible using 268 Read/Feed constraints in natural domain returned unsat :0 sat :1
[2023-03-16 15:50:43] [INFO ] Deduced a trap composed of 40 places in 400 ms of which 4 ms to minimize.
[2023-03-16 15:50:43] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 1166 ms
[2023-03-16 15:50:43] [INFO ] After 8446ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
Attempting to minimize the solution found.
Minimization took 870 ms.
[2023-03-16 15:50:44] [INFO ] After 23576ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
Parikh walk visited 0 properties in 3 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 170 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 171 ms. Remains : 626/626 places, 31352/31352 transitions.
Knowledge obtained : [(AND (NOT p1) (NOT p0) (NOT p2)), (X (NOT (AND (NOT p1) p2))), (X (AND (NOT p1) (NOT p2))), (X (NOT p0)), (X (AND (NOT p1) (NOT p0))), (X (X (NOT (AND (NOT p1) p2)))), (X (X (AND (NOT p1) (NOT p2)))), (X (X (NOT p0))), (X (X (AND (NOT p1) (NOT p0))))]
False Knowledge obtained : [(F (NOT (AND (NOT p2) (NOT p1)))), (F p0), (F (NOT (AND (NOT p0) (NOT p1))))]
Knowledge based reduction with 9 factoid took 373 ms. Reduced automaton from 3 states, 6 edges and 3 AP (stutter sensitive) to 3 states, 6 edges and 3 AP (stutter sensitive).
Stuttering acceptance computed with spot in 126 ms :[(OR (NOT p0) (AND (NOT p1) (NOT p2))), (NOT p0), (AND (NOT p1) (NOT p2))]
Stuttering acceptance computed with spot in 127 ms :[(OR (NOT p0) (AND (NOT p1) (NOT p2))), (NOT p0), (AND (NOT p1) (NOT p2))]
[2023-03-16 15:50:45] [INFO ] Flow matrix only has 18326 transitions (discarded 13027 similar events)
// Phase 1: matrix 18326 rows 627 cols
[2023-03-16 15:50:45] [INFO ] Computed 13 place invariants in 49 ms
Could not prove EG (NOT p0)
[2023-03-16 15:51:00] [INFO ] Flow matrix only has 18326 transitions (discarded 13027 similar events)
[2023-03-16 15:51:00] [INFO ] Invariant cache hit.
Could not prove EG (AND (NOT p1) (NOT p2))
Support contains 6 out of 627 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 627/627 places, 31353/31353 transitions.
Applied a total of 0 rules in 66 ms. Remains 627 /627 variables (removed 0) and now considering 31353/31353 (removed 0) transitions.
[2023-03-16 15:51:16] [INFO ] Flow matrix only has 18326 transitions (discarded 13027 similar events)
[2023-03-16 15:51:16] [INFO ] Invariant cache hit.
[2023-03-16 15:51:17] [INFO ] Implicit Places using invariants in 1697 ms returned []
Implicit Place search using SMT only with invariants took 1698 ms to find 0 implicit places.
[2023-03-16 15:51:17] [INFO ] Flow matrix only has 18326 transitions (discarded 13027 similar events)
[2023-03-16 15:51:17] [INFO ] Invariant cache hit.
[2023-03-16 15:51:25] [INFO ] Dead Transitions using invariants and state equation in 7920 ms found 0 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 9685 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) (NOT p2)), (X (AND (NOT p0) (NOT p1))), (X (NOT p0)), (X (NOT (AND p2 (NOT p1)))), (X (AND (NOT p2) (NOT p1))), (X (X (AND (NOT p0) (NOT p1)))), (X (X (NOT p0))), (X (X (NOT (AND p2 (NOT p1))))), (X (X (AND (NOT p2) (NOT p1))))]
False Knowledge obtained : []
Knowledge based reduction with 9 factoid took 420 ms. Reduced automaton from 3 states, 6 edges and 3 AP (stutter sensitive) to 3 states, 6 edges and 3 AP (stutter sensitive).
Stuttering acceptance computed with spot in 107 ms :[(OR (NOT p0) (AND (NOT p1) (NOT p2))), (NOT p0), (AND (NOT p1) (NOT p2))]
Incomplete random walk after 10000 steps, including 2 resets, run finished after 463 ms. (steps per millisecond=21 ) properties (out of 4) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 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 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 39 ms. (steps per millisecond=256 ) properties (out of 4) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 35 ms. (steps per millisecond=285 ) properties (out of 4) seen :0
Interrupted probabilistic random walk after 21481 steps, run timeout after 3001 ms. (steps per millisecond=7 ) properties seen :{}
Probabilistic random walk after 21481 steps, saw 18747 distinct states, run finished after 3002 ms. (steps per millisecond=7 ) properties seen :0
Running SMT prover for 4 properties.
[2023-03-16 15:51:30] [INFO ] Flow matrix only has 18326 transitions (discarded 13027 similar events)
[2023-03-16 15:51:30] [INFO ] Invariant cache hit.
[2023-03-16 15:51:30] [INFO ] [Real]Absence check using 13 positive place invariants in 5 ms returned sat
[2023-03-16 15:51:30] [INFO ] After 146ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:4
[2023-03-16 15:51:30] [INFO ] [Nat]Absence check using 13 positive place invariants in 6 ms returned sat
[2023-03-16 15:51:46] [INFO ] After 16379ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :4
[2023-03-16 15:51:46] [INFO ] State equation strengthened by 829 read => feed constraints.
[2023-03-16 15:51:55] [INFO ] After 8391ms SMT Verify possible using 829 Read/Feed constraints in natural domain returned unsat :0 sat :3
[2023-03-16 15:51:55] [INFO ] After 8392ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :3
Attempting to minimize the solution found.
Minimization took 10 ms.
[2023-03-16 15:51:55] [INFO ] After 25036ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :3
Parikh walk visited 0 properties in 13 ms.
Support contains 6 out of 627 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 627/627 places, 31353/31353 transitions.
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 0 with 1 rules applied. Total rules applied 1 place count 626 transition count 31352
Applied a total of 1 rules in 323 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 324 ms. Remains : 626/627 places, 31352/31353 transitions.
Incomplete random walk after 10000 steps, including 2 resets, run finished after 395 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 33 ms. (steps per millisecond=303 ) properties (out of 4) seen :2
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 33 ms. (steps per millisecond=303 ) properties (out of 2) 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 2) seen :0
Running SMT prover for 2 properties.
[2023-03-16 15:51:56] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
// Phase 1: matrix 18325 rows 626 cols
[2023-03-16 15:51:56] [INFO ] Computed 13 place invariants in 42 ms
[2023-03-16 15:51:56] [INFO ] [Real]Absence check using 13 positive place invariants in 6 ms returned sat
[2023-03-16 15:51:56] [INFO ] After 97ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:2
[2023-03-16 15:51:56] [INFO ] [Nat]Absence check using 13 positive place invariants in 6 ms returned sat
[2023-03-16 15:52:10] [INFO ] After 13593ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :2
[2023-03-16 15:52:10] [INFO ] State equation strengthened by 268 read => feed constraints.
[2023-03-16 15:52:16] [INFO ] After 6547ms SMT Verify possible using 268 Read/Feed constraints in natural domain returned unsat :0 sat :2
[2023-03-16 15:52:18] [INFO ] Deduced a trap composed of 48 places in 1221 ms of which 1 ms to minimize.
[2023-03-16 15:52:19] [INFO ] Deduced a trap composed of 64 places in 1128 ms of which 1 ms to minimize.
[2023-03-16 15:52:21] [INFO ] Deduced a trap composed of 64 places in 803 ms of which 2 ms to minimize.
[2023-03-16 15:52:23] [INFO ] Deduced a trap composed of 64 places in 2435 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 15:52:23] [WARNING] SMT solver failed with error :SMT solver raised an error when submitting script.... while checking expressions.
[2023-03-16 15:52:23] [INFO ] After 27485ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :0 real: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 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.
Incomplete random walk after 10000 steps, including 2 resets, run finished after 381 ms. (steps per millisecond=26 ) properties (out of 2) 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 2) 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 2) seen :0
Interrupted probabilistic random walk after 18563 steps, run timeout after 3001 ms. (steps per millisecond=6 ) properties seen :{}
Probabilistic random walk after 18563 steps, saw 16118 distinct states, run finished after 3002 ms. (steps per millisecond=6 ) properties seen :0
Running SMT prover for 2 properties.
[2023-03-16 15:52:27] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
[2023-03-16 15:52:27] [INFO ] Invariant cache hit.
[2023-03-16 15:52:27] [INFO ] [Real]Absence check using 13 positive place invariants in 6 ms returned sat
[2023-03-16 15:52:27] [INFO ] After 118ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:2
[2023-03-16 15:52:27] [INFO ] [Nat]Absence check using 13 positive place invariants in 6 ms returned sat
[2023-03-16 15:52:41] [INFO ] After 13539ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :2
[2023-03-16 15:52:41] [INFO ] State equation strengthened by 268 read => feed constraints.
[2023-03-16 15:52:48] [INFO ] After 7535ms SMT Verify possible using 268 Read/Feed constraints in natural domain returned unsat :0 sat :2
[2023-03-16 15:52:50] [INFO ] Deduced a trap composed of 40 places in 1110 ms of which 0 ms to minimize.
[2023-03-16 15:52:51] [INFO ] Deduced a trap composed of 64 places in 996 ms of which 1 ms to minimize.
[2023-03-16 15:52:53] [INFO ] Deduced a trap composed of 64 places in 777 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 15:52:53] [WARNING] SMT solver failed with error :SMT solver raised an error when submitting script.... while checking expressions.
[2023-03-16 15:52:53] [INFO ] After 25412ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :0 real: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 155 ms. Remains 626 /626 variables (removed 0) and now considering 31352/31352 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 156 ms. Remains : 626/626 places, 31352/31352 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 626/626 places, 31352/31352 transitions.
Applied a total of 0 rules in 160 ms. Remains 626 /626 variables (removed 0) and now considering 31352/31352 (removed 0) transitions.
[2023-03-16 15:52:53] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
[2023-03-16 15:52:53] [INFO ] Invariant cache hit.
[2023-03-16 15:52:55] [INFO ] Implicit Places using invariants in 1695 ms returned []
Implicit Place search using SMT only with invariants took 1700 ms to find 0 implicit places.
[2023-03-16 15:52:55] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
[2023-03-16 15:52:55] [INFO ] Invariant cache hit.
[2023-03-16 15:53:03] [INFO ] Dead Transitions using invariants and state equation in 8257 ms found 0 transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 10120 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 631 ms. Remains 626 /626 variables (removed 0) and now considering 18325/31352 (removed 13027) transitions.
Running SMT prover for 2 properties.
// Phase 1: matrix 18325 rows 626 cols
[2023-03-16 15:53:04] [INFO ] Computed 13 place invariants in 47 ms
[2023-03-16 15:53:04] [INFO ] [Real]Absence check using 13 positive place invariants in 5 ms returned sat
[2023-03-16 15:53:04] [INFO ] After 101ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:2
[2023-03-16 15:53:04] [INFO ] [Nat]Absence check using 13 positive place invariants in 6 ms returned sat
[2023-03-16 15:53:21] [INFO ] After 17133ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :2
[2023-03-16 15:53:22] [INFO ] After 18641ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :2
Attempting to minimize the solution found.
Minimization took 1509 ms.
[2023-03-16 15:53:24] [INFO ] After 20253ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :2
Knowledge obtained : [(AND (NOT p0) (NOT p1) (NOT p2)), (X (AND (NOT p0) (NOT p1))), (X (NOT p0)), (X (NOT (AND p2 (NOT p1)))), (X (AND (NOT p2) (NOT p1))), (X (X (AND (NOT p0) (NOT p1)))), (X (X (NOT p0))), (X (X (NOT (AND p2 (NOT p1))))), (X (X (AND (NOT p2) (NOT p1))))]
False Knowledge obtained : [(F p0), (F (NOT (AND (NOT p0) (NOT p1))))]
Knowledge based reduction with 9 factoid took 373 ms. Reduced automaton from 3 states, 6 edges and 3 AP (stutter sensitive) to 3 states, 6 edges and 3 AP (stutter sensitive).
Stuttering acceptance computed with spot in 111 ms :[(OR (NOT p0) (AND (NOT p1) (NOT p2))), (NOT p0), (AND (NOT p1) (NOT p2))]
Stuttering acceptance computed with spot in 118 ms :[(OR (NOT p0) (AND (NOT p1) (NOT p2))), (NOT p0), (AND (NOT p1) (NOT p2))]
[2023-03-16 15:53:25] [INFO ] Flow matrix only has 18326 transitions (discarded 13027 similar events)
// Phase 1: matrix 18326 rows 627 cols
[2023-03-16 15:53:25] [INFO ] Computed 13 place invariants in 46 ms
Could not prove EG (NOT p0)
[2023-03-16 15:53:40] [INFO ] Flow matrix only has 18326 transitions (discarded 13027 similar events)
[2023-03-16 15:53:40] [INFO ] Invariant cache hit.
Could not prove EG (AND (NOT p1) (NOT p2))
Stuttering acceptance computed with spot in 125 ms :[(OR (NOT p0) (AND (NOT p1) (NOT p2))), (NOT p0), (AND (NOT p1) (NOT p2))]
Product exploration explored 100000 steps with 5 reset in 2701 ms.
Product exploration explored 100000 steps with 1 reset in 2838 ms.
Applying partial POR strategy [false, true, true]
Stuttering acceptance computed with spot in 114 ms :[(OR (NOT p0) (AND (NOT p1) (NOT p2))), (NOT p0), (AND (NOT p1) (NOT p2))]
Support contains 6 out of 627 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 627/627 places, 31353/31353 transitions.
Applied a total of 0 rules in 254 ms. Remains 627 /627 variables (removed 0) and now considering 31353/31353 (removed 0) transitions.
[2023-03-16 15:54:01] [INFO ] Flow matrix only has 18326 transitions (discarded 13027 similar events)
[2023-03-16 15:54:01] [INFO ] Invariant cache hit.
[2023-03-16 15:54:09] [INFO ] Dead Transitions using invariants and state equation in 8139 ms found 0 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 8395 ms. Remains : 627/627 places, 31353/31353 transitions.
Support contains 6 out of 627 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 627/627 places, 31353/31353 transitions.
Applied a total of 0 rules in 70 ms. Remains 627 /627 variables (removed 0) and now considering 31353/31353 (removed 0) transitions.
[2023-03-16 15:54:09] [INFO ] Flow matrix only has 18326 transitions (discarded 13027 similar events)
[2023-03-16 15:54:09] [INFO ] Invariant cache hit.
[2023-03-16 15:54:11] [INFO ] Implicit Places using invariants in 1748 ms returned []
Implicit Place search using SMT only with invariants took 1749 ms to find 0 implicit places.
[2023-03-16 15:54:11] [INFO ] Flow matrix only has 18326 transitions (discarded 13027 similar events)
[2023-03-16 15:54:11] [INFO ] Invariant cache hit.
[2023-03-16 15:54:19] [INFO ] Dead Transitions using invariants and state equation in 7854 ms found 0 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 9674 ms. Remains : 627/627 places, 31353/31353 transitions.
Treatment of property RERS17pb113-PT-2-LTLFireability-01 finished in 347782 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202303021504/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(!((X(G(X(X(p0)))) U X(p1)) U X(p2))))'
Support contains 6 out of 627 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 627/627 places, 31353/31353 transitions.
Applied a total of 0 rules in 66 ms. Remains 627 /627 variables (removed 0) and now considering 31353/31353 (removed 0) transitions.
[2023-03-16 15:54:20] [INFO ] Flow matrix only has 18326 transitions (discarded 13027 similar events)
[2023-03-16 15:54:20] [INFO ] Invariant cache hit.
[2023-03-16 15:54:22] [INFO ] Implicit Places using invariants in 1708 ms returned []
Implicit Place search using SMT only with invariants took 1709 ms to find 0 implicit places.
[2023-03-16 15:54:22] [INFO ] Flow matrix only has 18326 transitions (discarded 13027 similar events)
[2023-03-16 15:54:22] [INFO ] Invariant cache hit.
[2023-03-16 15:54:30] [INFO ] Dead Transitions using invariants and state equation in 7911 ms found 0 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 9688 ms. Remains : 627/627 places, 31353/31353 transitions.
Stuttering acceptance computed with spot in 332 ms :[true, p0, p2, (AND p0 p2 p1), (AND p0 p2), (AND p0 p2 p1), (AND p0 p1), p2, p2]
Running random walk in product with property : RERS17pb113-PT-2-LTLFireability-03 automaton TGBA Formula[mat=[[{ cond=true, acceptance={0} source=0 dest: 0}], [{ cond=p0, acceptance={0} source=1 dest: 1}], [{ cond=p2, acceptance={} source=2 dest: 0}, { cond=(AND p1 (NOT p2)), acceptance={} source=2 dest: 2}, { cond=(AND (NOT p1) (NOT p2)), acceptance={} source=2 dest: 3}], [{ cond=(AND p1 p2), acceptance={} source=3 dest: 1}, { cond=(AND p1 (NOT p2)), acceptance={} source=3 dest: 4}, { cond=(AND (NOT p1) (NOT p2)), acceptance={} source=3 dest: 5}, { cond=(AND (NOT p1) p2), acceptance={} source=3 dest: 6}], [{ cond=(AND p2 p0), acceptance={} source=4 dest: 1}, { cond=(AND p1 (NOT p2) p0), acceptance={} source=4 dest: 4}, { cond=(AND (NOT p1) (NOT p2) p0), acceptance={} source=4 dest: 5}], [{ cond=(AND p1 p2 p0), acceptance={} source=5 dest: 1}, { cond=(AND p1 (NOT p2) p0), acceptance={} source=5 dest: 4}, { cond=(AND (NOT p1) (NOT p2) p0), acceptance={} source=5 dest: 5}, { cond=(AND (NOT p1) p2 p0), acceptance={} source=5 dest: 6}], [{ cond=(AND p1 p0), acceptance={} source=6 dest: 1}, { cond=(AND (NOT p1) p0), acceptance={} source=6 dest: 6}], [{ cond=true, acceptance={} source=7 dest: 8}], [{ cond=true, acceptance={} source=8 dest: 2}]], initial=7, aps=[p0:(AND (GEQ s390 1) (GEQ s410 1)), p2:(AND (GEQ s130 1) (GEQ s575 1)), p1:(AND (GEQ s289 1) (GEQ s505 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, null, null, null, null, null][false, false, false, false, false, false, false, false, false]]
Product exploration explored 100000 steps with 20000 reset in 3864 ms.
Product exploration explored 100000 steps with 20000 reset in 4055 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 p2) (NOT p1)), (X (X (NOT p2))), (X (X (AND (NOT p1) (NOT p2)))), (X (X (NOT (AND p1 (NOT p2)))))]
False Knowledge obtained : []
Knowledge based reduction with 4 factoid took 174 ms. Reduced automaton from 9 states, 20 edges and 3 AP (stutter sensitive) to 8 states, 17 edges and 3 AP (stutter sensitive).
Stuttering acceptance computed with spot in 275 ms :[p0, (AND p0 p1 p2), (AND p0 p2), (AND p0 p2 p1), (AND p0 p1), (AND p0 p1 p2), (AND p0 p1 p2), (AND p0 p1 p2)]
Incomplete random walk after 10000 steps, including 2 resets, run finished after 433 ms. (steps per millisecond=23 ) properties (out of 12) seen :3
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 42 ms. (steps per millisecond=238 ) properties (out of 9) 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 9) 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 9) 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 9) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 43 ms. (steps per millisecond=232 ) properties (out of 9) seen :0
Incomplete Best-First random walk after 10000 steps, including 2 resets, run finished after 46 ms. (steps per millisecond=217 ) properties (out of 9) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 46 ms. (steps per millisecond=217 ) properties (out of 9) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 45 ms. (steps per millisecond=222 ) properties (out of 9) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 46 ms. (steps per millisecond=217 ) properties (out of 9) seen :0
Running SMT prover for 9 properties.
[2023-03-16 15:54:40] [INFO ] Flow matrix only has 18326 transitions (discarded 13027 similar events)
[2023-03-16 15:54:40] [INFO ] Invariant cache hit.
[2023-03-16 15:54:40] [INFO ] [Real]Absence check using 13 positive place invariants in 7 ms returned sat
[2023-03-16 15:54:55] [INFO ] After 15222ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:9
[2023-03-16 15:54:55] [INFO ] [Nat]Absence check using 13 positive place invariants in 6 ms returned sat
[2023-03-16 15:55:13] [INFO ] After 17846ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :9
[2023-03-16 15:55:13] [INFO ] State equation strengthened by 829 read => feed constraints.
[2023-03-16 15:55:20] [INFO ] After 6841ms SMT Verify possible using 829 Read/Feed constraints in natural domain returned unsat :0 sat :8
[2023-03-16 15:55:20] [INFO ] After 6842ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :8
Attempting to minimize the solution found.
Minimization took 2 ms.
[2023-03-16 15:55:20] [INFO ] After 25041ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :8
Parikh walk visited 0 properties in 30 ms.
Support contains 6 out of 627 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 627/627 places, 31353/31353 transitions.
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 0 with 1 rules applied. Total rules applied 1 place count 626 transition count 31352
Applied a total of 1 rules in 288 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 288 ms. Remains : 626/627 places, 31352/31353 transitions.
Incomplete random walk after 10000 steps, including 2 resets, run finished after 469 ms. (steps per millisecond=21 ) properties (out of 9) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 40 ms. (steps per millisecond=250 ) properties (out of 9) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 40 ms. (steps per millisecond=250 ) properties (out of 9) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 40 ms. (steps per millisecond=250 ) properties (out of 9) 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 9) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 47 ms. (steps per millisecond=212 ) properties (out of 9) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 52 ms. (steps per millisecond=192 ) properties (out of 9) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 49 ms. (steps per millisecond=204 ) properties (out of 9) 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 9) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 47 ms. (steps per millisecond=212 ) properties (out of 9) seen :0
Interrupted probabilistic random walk after 18438 steps, run timeout after 3001 ms. (steps per millisecond=6 ) properties seen :{}
Probabilistic random walk after 18438 steps, saw 16011 distinct states, run finished after 3001 ms. (steps per millisecond=6 ) properties seen :0
Running SMT prover for 9 properties.
[2023-03-16 15:55:24] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
// Phase 1: matrix 18325 rows 626 cols
[2023-03-16 15:55:24] [INFO ] Computed 13 place invariants in 49 ms
[2023-03-16 15:55:25] [INFO ] [Real]Absence check using 13 positive place invariants in 7 ms returned sat
[2023-03-16 15:55:41] [INFO ] After 16617ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:9
[2023-03-16 15:55:41] [INFO ] [Nat]Absence check using 13 positive place invariants in 6 ms returned sat
[2023-03-16 15:56:05] [INFO ] After 23994ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :9
[2023-03-16 15:56:05] [INFO ] State equation strengthened by 268 read => feed constraints.
java.lang.RuntimeException: SMT solver raised an error when submitting script. Raised (error "Failed to assert expression: java.io.IOException: Broken pipe ...
at fr.lip6.move.gal.structural.smt.SMTUtils.execAndCheckResult(SMTUtils.java:251)
at fr.lip6.move.gal.structural.smt.DeadlockTester.checkResults(DeadlockTester.java:797)
at fr.lip6.move.gal.structural.smt.DeadlockTester.verifyPossible(DeadlockTester.java:644)
at fr.lip6.move.gal.structural.smt.DeadlockTester.testUnreachableWithSMTIncremental(DeadlockTester.java:350)
at fr.lip6.move.gal.structural.smt.DeadlockTester.testUnreachableWithSMT(DeadlockTester.java:223)
at fr.lip6.move.gal.application.solver.ReachabilitySolver.applyReductions(ReachabilitySolver.java:95)
at fr.lip6.move.gal.application.solver.ltl.LTLPropertySolver.addInvarianceKnowledge(LTLPropertySolver.java:701)
at fr.lip6.move.gal.application.solver.ltl.LTLPropertySolver.applyKnowledgeBasedReductions(LTLPropertySolver.java:568)
at fr.lip6.move.gal.application.solver.ltl.LTLPropertySolver.checkLTLProperty(LTLPropertySolver.java: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 15:56:06] [WARNING] SMT solver failed with error :SMT solver raised an error when submitting script.... while checking expressions.
[2023-03-16 15:56:06] [INFO ] After 25040ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :0 real:9
Parikh walk visited 0 properties in 36 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 145 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 145 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 143 ms. Remains 626 /626 variables (removed 0) and now considering 31352/31352 (removed 0) transitions.
[2023-03-16 15:56:06] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
[2023-03-16 15:56:06] [INFO ] Invariant cache hit.
[2023-03-16 15:56:08] [INFO ] Implicit Places using invariants in 1737 ms returned []
Implicit Place search using SMT only with invariants took 1738 ms to find 0 implicit places.
[2023-03-16 15:56:08] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
[2023-03-16 15:56:08] [INFO ] Invariant cache hit.
[2023-03-16 15:56:16] [INFO ] Dead Transitions using invariants and state equation in 7837 ms found 0 transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 9722 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 534 ms. Remains 626 /626 variables (removed 0) and now considering 18325/31352 (removed 13027) transitions.
Running SMT prover for 9 properties.
// Phase 1: matrix 18325 rows 626 cols
[2023-03-16 15:56:17] [INFO ] Computed 13 place invariants in 44 ms
[2023-03-16 15:56:17] [INFO ] [Real]Absence check using 13 positive place invariants in 8 ms returned sat
[2023-03-16 15:56:33] [INFO ] After 16364ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:9
[2023-03-16 15:56:33] [INFO ] [Nat]Absence check using 13 positive place invariants in 6 ms returned sat
[2023-03-16 15:56:54] [INFO ] After 20218ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :9
[2023-03-16 15:57:00] [INFO ] After 26791ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :9
Attempting to minimize the solution found.
Minimization took 4316 ms.
[2023-03-16 15:57:04] [INFO ] After 31325ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :9
Knowledge obtained : [(AND (NOT p0) (NOT p2) (NOT p1)), (X (X (NOT p2))), (X (X (AND (NOT p1) (NOT p2)))), (X (X (NOT (AND p1 (NOT p2)))))]
False Knowledge obtained : [(F p0), (F (AND p0 (NOT p1))), (F (AND p0 (NOT p1) (NOT p2)))]
Knowledge based reduction with 4 factoid took 230 ms. Reduced automaton from 8 states, 17 edges and 3 AP (stutter sensitive) to 8 states, 17 edges and 3 AP (stutter sensitive).
Stuttering acceptance computed with spot in 273 ms :[p0, (AND p0 p1 p2), (AND p0 p2), (AND p0 p2 p1), (AND p0 p1), (AND p0 p1 p2), (AND p0 p1 p2), (AND p0 p1 p2)]
Stuttering acceptance computed with spot in 326 ms :[p0, (AND p0 p1 p2), (AND p0 p2), (AND p0 p2 p1), (AND p0 p1), (AND p0 p1 p2), (AND p0 p1 p2), (AND p0 p1 p2)]
Support contains 6 out of 627 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 627/627 places, 31353/31353 transitions.
Applied a total of 0 rules in 66 ms. Remains 627 /627 variables (removed 0) and now considering 31353/31353 (removed 0) transitions.
[2023-03-16 15:57:05] [INFO ] Flow matrix only has 18326 transitions (discarded 13027 similar events)
// Phase 1: matrix 18326 rows 627 cols
[2023-03-16 15:57:05] [INFO ] Computed 13 place invariants in 49 ms
[2023-03-16 15:57:07] [INFO ] Implicit Places using invariants in 1775 ms returned []
Implicit Place search using SMT only with invariants took 1778 ms to find 0 implicit places.
[2023-03-16 15:57:07] [INFO ] Flow matrix only has 18326 transitions (discarded 13027 similar events)
[2023-03-16 15:57:07] [INFO ] Invariant cache hit.
[2023-03-16 15:57:15] [INFO ] Dead Transitions using invariants and state equation in 8001 ms found 0 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 9849 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) (NOT p2)), true]
False Knowledge obtained : []
Knowledge based reduction with 2 factoid took 111 ms. Reduced automaton from 8 states, 17 edges and 3 AP (stutter sensitive) to 8 states, 17 edges and 3 AP (stutter sensitive).
Stuttering acceptance computed with spot in 328 ms :[p0, (AND p0 p1 p2), (AND p0 p2), (AND p0 p2 p1), (AND p0 p1), (AND p0 p1 p2), (AND p0 p1 p2), (AND p0 p1 p2)]
Incomplete random walk after 10000 steps, including 2 resets, run finished after 485 ms. (steps per millisecond=20 ) properties (out of 12) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 52 ms. (steps per millisecond=192 ) properties (out of 12) seen :3
Incomplete Best-First random walk after 10000 steps, including 2 resets, run finished after 39 ms. (steps per millisecond=256 ) properties (out of 9) seen :0
Incomplete Best-First random walk after 10000 steps, including 2 resets, run finished after 42 ms. (steps per millisecond=238 ) properties (out of 9) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 42 ms. (steps per millisecond=238 ) properties (out of 9) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 42 ms. (steps per millisecond=238 ) properties (out of 9) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 45 ms. (steps per millisecond=222 ) properties (out of 9) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 50 ms. (steps per millisecond=200 ) properties (out of 9) seen :2
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 42 ms. (steps per millisecond=238 ) properties (out of 7) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 42 ms. (steps per millisecond=238 ) properties (out of 7) 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 7) seen :0
Running SMT prover for 7 properties.
[2023-03-16 15:57:17] [INFO ] Flow matrix only has 18326 transitions (discarded 13027 similar events)
[2023-03-16 15:57:17] [INFO ] Invariant cache hit.
[2023-03-16 15:57:17] [INFO ] [Real]Absence check using 13 positive place invariants in 12 ms returned sat
[2023-03-16 15:57:32] [INFO ] After 15477ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:7
[2023-03-16 15:57:32] [INFO ] [Nat]Absence check using 13 positive place invariants in 7 ms returned sat
[2023-03-16 15:57:52] [INFO ] After 19204ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :7
[2023-03-16 15:57:52] [INFO ] State equation strengthened by 829 read => feed constraints.
[2023-03-16 15:57:57] [INFO ] After 5409ms SMT Verify possible using 829 Read/Feed constraints in natural domain returned unsat :0 sat :6
[2023-03-16 15:57:57] [INFO ] After 5409ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :6
Attempting to minimize the solution found.
Minimization took 6 ms.
[2023-03-16 15:57:57] [INFO ] After 25031ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :6
Parikh walk visited 0 properties in 23 ms.
Support contains 6 out of 627 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 627/627 places, 31353/31353 transitions.
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 0 with 1 rules applied. Total rules applied 1 place count 626 transition count 31352
Applied a total of 1 rules in 291 ms. Remains 626 /627 variables (removed 1) and now considering 31352/31353 (removed 1) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 291 ms. Remains : 626/627 places, 31352/31353 transitions.
Incomplete random walk after 10000 steps, including 2 resets, run finished after 436 ms. (steps per millisecond=22 ) properties (out of 7) seen :1
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 38 ms. (steps per millisecond=263 ) properties (out of 6) 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 6) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 45 ms. (steps per millisecond=222 ) properties (out of 6) 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 6) 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 6) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 43 ms. (steps per millisecond=232 ) properties (out of 6) seen :0
Running SMT prover for 6 properties.
[2023-03-16 15:57:58] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
// Phase 1: matrix 18325 rows 626 cols
[2023-03-16 15:57:58] [INFO ] Computed 13 place invariants in 41 ms
[2023-03-16 15:57:59] [INFO ] [Real]Absence check using 13 positive place invariants in 6 ms returned sat
[2023-03-16 15:58:15] [INFO ] After 16566ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:6
[2023-03-16 15:58:15] [INFO ] [Nat]Absence check using 13 positive place invariants in 5 ms returned sat
[2023-03-16 15:58:39] [INFO ] After 24152ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :6
[2023-03-16 15:58:39] [INFO ] State equation strengthened by 268 read => feed constraints.
java.lang.RuntimeException: SMT solver raised an error when submitting script. Raised (error "Failed to assert expression: java.io.IOException: Broken pipe ...
at fr.lip6.move.gal.structural.smt.SMTUtils.execAndCheckResult(SMTUtils.java:251)
at fr.lip6.move.gal.structural.smt.DeadlockTester.checkResults(DeadlockTester.java:797)
at fr.lip6.move.gal.structural.smt.DeadlockTester.verifyPossible(DeadlockTester.java:644)
at fr.lip6.move.gal.structural.smt.DeadlockTester.testUnreachableWithSMTIncremental(DeadlockTester.java:350)
at fr.lip6.move.gal.structural.smt.DeadlockTester.testUnreachableWithSMT(DeadlockTester.java:223)
at fr.lip6.move.gal.application.solver.ReachabilitySolver.applyReductions(ReachabilitySolver.java:95)
at fr.lip6.move.gal.application.solver.ltl.LTLPropertySolver.addInvarianceKnowledge(LTLPropertySolver.java:701)
at fr.lip6.move.gal.application.solver.ltl.LTLPropertySolver.applyKnowledgeBasedReductions(LTLPropertySolver.java:568)
at fr.lip6.move.gal.application.solver.ltl.LTLPropertySolver.checkLTLProperty(LTLPropertySolver.java:261)
at fr.lip6.move.gal.application.solver.ltl.LTLPropertySolver.runStutteringLTLTest(LTLPropertySolver.java:225)
at fr.lip6.move.gal.application.solver.ltl.LTLPropertySolver.runStructuralLTLCheck(LTLPropertySolver.java:76)
at fr.lip6.move.gal.application.Application.startNoEx(Application.java:762)
at fr.lip6.move.gal.application.Application.start(Application.java:178)
at fr.lip6.move.gal.itscl.application.Application.start(Application.java:45)
at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:203)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:136)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:104)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:402)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:255)
at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:77)
at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.base/java.lang.reflect.Method.invoke(Method.java:568)
at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:659)
at org.eclipse.equinox.launcher.Main.basicRun(Main.java:596)
at org.eclipse.equinox.launcher.Main.run(Main.java:1467)
at org.eclipse.equinox.launcher.Main.main(Main.java:1440)
[2023-03-16 15:58:40] [WARNING] SMT solver failed with error :SMT solver raised an error when submitting script.... while checking expressions.
[2023-03-16 15:58:40] [INFO ] After 25029ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :0 real:6
Parikh walk visited 0 properties in 25 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 139 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 139 ms. Remains : 626/626 places, 31352/31352 transitions.
Incomplete random walk after 10000 steps, including 2 resets, run finished after 414 ms. (steps per millisecond=24 ) properties (out of 6) 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 6) 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 6) 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 6) 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 6) 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 6) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 40 ms. (steps per millisecond=250 ) properties (out of 6) seen :0
Interrupted probabilistic random walk after 18262 steps, run timeout after 3002 ms. (steps per millisecond=6 ) properties seen :{}
Probabilistic random walk after 18262 steps, saw 15856 distinct states, run finished after 3002 ms. (steps per millisecond=6 ) properties seen :0
Running SMT prover for 6 properties.
[2023-03-16 15:58:44] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
[2023-03-16 15:58:44] [INFO ] Invariant cache hit.
[2023-03-16 15:58:44] [INFO ] [Real]Absence check using 13 positive place invariants in 6 ms returned sat
[2023-03-16 15:59:00] [INFO ] After 15801ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:6
[2023-03-16 15:59:00] [INFO ] [Nat]Absence check using 13 positive place invariants in 6 ms returned sat
[2023-03-16 15:59:16] [INFO ] After 15793ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :6
[2023-03-16 15:59:16] [INFO ] State equation strengthened by 268 read => feed constraints.
[2023-03-16 15:59:25] [INFO ] After 8978ms SMT Verify possible using 268 Read/Feed constraints in natural domain returned unsat :0 sat :5
[2023-03-16 15:59:25] [INFO ] After 8979ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :5
Attempting to minimize the solution found.
Minimization took 4 ms.
[2023-03-16 15:59:25] [INFO ] After 25037ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :5
Parikh walk visited 0 properties in 25 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 148 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 148 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 206 ms. Remains 626 /626 variables (removed 0) and now considering 31352/31352 (removed 0) transitions.
[2023-03-16 15:59:25] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
[2023-03-16 15:59:25] [INFO ] Invariant cache hit.
[2023-03-16 15:59:27] [INFO ] Implicit Places using invariants in 1734 ms returned []
Implicit Place search using SMT only with invariants took 1735 ms to find 0 implicit places.
[2023-03-16 15:59:27] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
[2023-03-16 15:59:27] [INFO ] Invariant cache hit.
[2023-03-16 15:59:35] [INFO ] Dead Transitions using invariants and state equation in 8226 ms found 0 transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 10171 ms. Remains : 626/626 places, 31352/31352 transitions.
Knowledge obtained : [(AND (NOT p0) (NOT p1) (NOT p2)), true]
False Knowledge obtained : [(F (AND (NOT p1) p2)), (F (NOT (AND (NOT p1) (NOT p2)))), (F p0), (F (AND p1 (NOT p2))), (F (AND p0 (NOT p1))), (F (AND p0 (NOT p1) (NOT p2)))]
Knowledge based reduction with 2 factoid took 232 ms. Reduced automaton from 8 states, 17 edges and 3 AP (stutter sensitive) to 8 states, 17 edges and 3 AP (stutter sensitive).
Stuttering acceptance computed with spot in 284 ms :[p0, (AND p0 p1 p2), (AND p0 p2), (AND p0 p2 p1), (AND p0 p1), (AND p0 p1 p2), (AND p0 p1 p2), (AND p0 p1 p2)]
Stuttering acceptance computed with spot in 284 ms :[p0, (AND p0 p1 p2), (AND p0 p2), (AND p0 p2 p1), (AND p0 p1), (AND p0 p1 p2), (AND p0 p1 p2), (AND p0 p1 p2)]
Stuttering acceptance computed with spot in 271 ms :[p0, (AND p0 p1 p2), (AND p0 p2), (AND p0 p2 p1), (AND p0 p1), (AND p0 p1 p2), (AND p0 p1 p2), (AND p0 p1 p2)]
Product exploration explored 100000 steps with 20000 reset in 3741 ms.
Product exploration explored 100000 steps with 20000 reset in 3642 ms.
Applying partial POR strategy [true, false, true, true, true, false, false, false]
Stuttering acceptance computed with spot in 280 ms :[p0, (AND p0 p1 p2), (AND p0 p2), (AND p0 p2 p1), (AND p0 p1), (AND p0 p1 p2), (AND p0 p1 p2), (AND p0 p1 p2)]
Support contains 6 out of 627 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 627/627 places, 31353/31353 transitions.
Applied a total of 0 rules in 152 ms. Remains 627 /627 variables (removed 0) and now considering 31353/31353 (removed 0) transitions.
[2023-03-16 15:59:44] [INFO ] Flow matrix only has 18326 transitions (discarded 13027 similar events)
// Phase 1: matrix 18326 rows 627 cols
[2023-03-16 15:59:44] [INFO ] Computed 13 place invariants in 49 ms
[2023-03-16 15:59:53] [INFO ] Dead Transitions using invariants and state equation in 8371 ms found 0 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 8526 ms. Remains : 627/627 places, 31353/31353 transitions.
Support contains 6 out of 627 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 627/627 places, 31353/31353 transitions.
Applied a total of 0 rules in 65 ms. Remains 627 /627 variables (removed 0) and now considering 31353/31353 (removed 0) transitions.
[2023-03-16 15:59:53] [INFO ] Flow matrix only has 18326 transitions (discarded 13027 similar events)
[2023-03-16 15:59:53] [INFO ] Invariant cache hit.
[2023-03-16 15:59:54] [INFO ] Implicit Places using invariants in 1725 ms returned []
Implicit Place search using SMT only with invariants took 1726 ms to find 0 implicit places.
[2023-03-16 15:59:54] [INFO ] Flow matrix only has 18326 transitions (discarded 13027 similar events)
[2023-03-16 15:59:54] [INFO ] Invariant cache hit.
[2023-03-16 16:00:03] [INFO ] Dead Transitions using invariants and state equation in 8228 ms found 0 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 10021 ms. Remains : 627/627 places, 31353/31353 transitions.
Treatment of property RERS17pb113-PT-2-LTLFireability-03 finished in 343344 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202303021504/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(X(G((p0&&(G(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 65 ms. Remains 627 /627 variables (removed 0) and now considering 31353/31353 (removed 0) transitions.
[2023-03-16 16:00:04] [INFO ] Flow matrix only has 18326 transitions (discarded 13027 similar events)
[2023-03-16 16:00:04] [INFO ] Invariant cache hit.
[2023-03-16 16:00:05] [INFO ] Implicit Places using invariants in 1760 ms returned []
Implicit Place search using SMT only with invariants took 1761 ms to find 0 implicit places.
[2023-03-16 16:00:05] [INFO ] Flow matrix only has 18326 transitions (discarded 13027 similar events)
[2023-03-16 16:00:05] [INFO ] Invariant cache hit.
[2023-03-16 16:00:14] [INFO ] Dead Transitions using invariants and state equation in 8236 ms found 0 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 10064 ms. Remains : 627/627 places, 31353/31353 transitions.
Stuttering acceptance computed with spot in 168 ms :[true, (OR (NOT p0) (AND (NOT p1) (NOT p2))), (OR (NOT p2) (NOT p0)), (OR (NOT p0) (AND (NOT p1) (NOT p2))), (OR (NOT p0) (AND (NOT p1) (NOT p2)))]
Running random walk in product with property : RERS17pb113-PT-2-LTLFireability-04 automaton TGBA Formula[mat=[[{ cond=true, acceptance={0} source=0 dest: 0}], [{ cond=(OR (NOT p0) (AND (NOT p1) (NOT p2))), acceptance={} source=1 dest: 0}, { cond=(AND p0 p1), acceptance={} source=1 dest: 1}, { cond=(AND p0 (NOT p1) p2), acceptance={} source=1 dest: 2}], [{ cond=(OR (NOT p0) (NOT p2)), acceptance={} source=2 dest: 0}, { cond=(AND p0 p2), acceptance={} source=2 dest: 2}], [{ cond=true, acceptance={} source=3 dest: 4}], [{ cond=true, acceptance={} source=4 dest: 1}]], initial=3, aps=[p0:(OR (LT s61 1) (LT s573 1)), p1:(OR (LT s378 1) (LT s431 1)), p2:(OR (LT s378 1) (LT s431 1))], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, complete, deterministic, no-univ-branch, unambiguous, semi-deterministic, stutter-sensitive, terminal, very-weak, weak, inherently-weak], stateDesc=[null, null, null, null, null][false, false, false, false, false]]
Entered a terminal (fully accepting) state of product in 815 steps with 0 reset in 22 ms.
FORMULA RERS17pb113-PT-2-LTLFireability-04 FALSE TECHNIQUES STUTTER_TEST
Treatment of property RERS17pb113-PT-2-LTLFireability-04 finished in 10431 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 163 ms. Remains 626 /627 variables (removed 1) and now considering 31352/31353 (removed 1) transitions.
[2023-03-16 16:00:14] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
// Phase 1: matrix 18325 rows 626 cols
[2023-03-16 16:00:14] [INFO ] Computed 13 place invariants in 48 ms
[2023-03-16 16:00:16] [INFO ] Implicit Places using invariants in 1808 ms returned []
Implicit Place search using SMT only with invariants took 1808 ms to find 0 implicit places.
[2023-03-16 16:00:16] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
[2023-03-16 16:00:16] [INFO ] Invariant cache hit.
[2023-03-16 16:00:24] [INFO ] Dead Transitions using invariants and state equation in 8049 ms found 0 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 10021 ms. Remains : 626/627 places, 31352/31353 transitions.
Stuttering acceptance computed with spot in 47 ms :[true, (NOT p0)]
Running random walk in product with property : RERS17pb113-PT-2-LTLFireability-05 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 s29 1) (LT s469 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 2664 ms.
Product exploration explored 100000 steps with 0 reset in 2750 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 131 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 40 ms :[true, (NOT p0)]
Incomplete random walk after 10000 steps, including 2 resets, run finished after 350 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 27 ms. (steps per millisecond=370 ) properties (out of 1) seen :0
Interrupted probabilistic random walk after 19605 steps, run timeout after 3001 ms. (steps per millisecond=6 ) properties seen :{}
Probabilistic random walk after 19605 steps, saw 17008 distinct states, run finished after 3001 ms. (steps per millisecond=6 ) properties seen :0
Running SMT prover for 1 properties.
[2023-03-16 16:00:33] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
[2023-03-16 16:00:33] [INFO ] Invariant cache hit.
[2023-03-16 16:00:33] [INFO ] [Real]Absence check using 13 positive place invariants in 5 ms returned sat
[2023-03-16 16:00:47] [INFO ] After 14164ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
[2023-03-16 16:00:47] [INFO ] [Nat]Absence check using 13 positive place invariants in 5 ms returned sat
[2023-03-16 16:01:01] [INFO ] After 13792ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
[2023-03-16 16:01:01] [INFO ] State equation strengthened by 268 read => feed constraints.
[2023-03-16 16:01:09] [INFO ] After 7864ms SMT Verify possible using 268 Read/Feed constraints in natural domain returned unsat :0 sat :1
[2023-03-16 16:01:11] [INFO ] Deduced a trap composed of 40 places in 1342 ms of which 1 ms to minimize.
[2023-03-16 16:01:13] [INFO ] Deduced a trap composed of 64 places in 1336 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 16:01:13] [WARNING] SMT solver failed with error :SMT solver raised an error when submitting script.... while checking expressions.
[2023-03-16 16:01:13] [INFO ] After 25213ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :0 real: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 144 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 145 ms. Remains : 626/626 places, 31352/31352 transitions.
Incomplete random walk after 10000 steps, including 2 resets, run finished after 348 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 33 ms. (steps per millisecond=303 ) properties (out of 1) seen :0
Interrupted probabilistic random walk after 19037 steps, run timeout after 3001 ms. (steps per millisecond=6 ) properties seen :{}
Probabilistic random walk after 19037 steps, saw 16514 distinct states, run finished after 3001 ms. (steps per millisecond=6 ) properties seen :0
Running SMT prover for 1 properties.
[2023-03-16 16:01:16] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
[2023-03-16 16:01:16] [INFO ] Invariant cache hit.
[2023-03-16 16:01:16] [INFO ] [Real]Absence check using 13 positive place invariants in 6 ms returned sat
[2023-03-16 16:01:31] [INFO ] After 14698ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
[2023-03-16 16:01:31] [INFO ] [Nat]Absence check using 13 positive place invariants in 6 ms returned sat
[2023-03-16 16:01:45] [INFO ] After 13795ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
[2023-03-16 16:01:45] [INFO ] State equation strengthened by 268 read => feed constraints.
[2023-03-16 16:01:53] [INFO ] After 8142ms SMT Verify possible using 268 Read/Feed constraints in natural domain returned unsat :0 sat :1
[2023-03-16 16:01:55] [INFO ] Deduced a trap composed of 40 places in 1378 ms of which 0 ms to minimize.
[2023-03-16 16:01:56] [INFO ] Deduced a trap composed of 64 places in 1297 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 16:01:56] [WARNING] SMT solver failed with error :SMT solver raised an error when submitting script.... while checking expressions.
[2023-03-16 16:01:56] [INFO ] After 25544ms 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 148 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 148 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 16:01:57] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
[2023-03-16 16:01:57] [INFO ] Invariant cache hit.
[2023-03-16 16:01:59] [INFO ] Implicit Places using invariants in 1749 ms returned []
Implicit Place search using SMT only with invariants took 1750 ms to find 0 implicit places.
[2023-03-16 16:01:59] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
[2023-03-16 16:01:59] [INFO ] Invariant cache hit.
[2023-03-16 16:02:07] [INFO ] Dead Transitions using invariants and state equation in 8097 ms found 0 transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 10012 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 637 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 16:02:07] [INFO ] Computed 13 place invariants in 45 ms
[2023-03-16 16:02:07] [INFO ] [Real]Absence check using 13 positive place invariants in 5 ms returned sat
[2023-03-16 16:02:22] [INFO ] After 14143ms SMT Verify possible using state equation in real domain returned unsat :0 sat :1
[2023-03-16 16:02:22] [INFO ] After 14821ms SMT Verify possible using trap constraints in real domain returned unsat :0 sat :0 real:1
[2023-03-16 16:02:22] [INFO ] After 14906ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
[2023-03-16 16:02:22] [INFO ] [Nat]Absence check using 13 positive place invariants in 6 ms returned sat
[2023-03-16 16:02:37] [INFO ] After 14771ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
[2023-03-16 16:02:38] [INFO ] After 15685ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
Attempting to minimize the solution found.
Minimization took 381 ms.
[2023-03-16 16:02:38] [INFO ] After 16156ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
Knowledge obtained : [p0, (X p0), true, (X (X p0))]
False Knowledge obtained : []
Knowledge based reduction with 4 factoid took 128 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 37 ms :[true, (NOT p0)]
Stuttering acceptance computed with spot in 33 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 144 ms. Remains 626 /626 variables (removed 0) and now considering 31352/31352 (removed 0) transitions.
[2023-03-16 16:02:39] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
// Phase 1: matrix 18325 rows 626 cols
[2023-03-16 16:02:39] [INFO ] Computed 13 place invariants in 52 ms
[2023-03-16 16:02:41] [INFO ] Implicit Places using invariants in 1809 ms returned []
Implicit Place search using SMT only with invariants took 1810 ms to find 0 implicit places.
[2023-03-16 16:02:41] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
[2023-03-16 16:02:41] [INFO ] Invariant cache hit.
[2023-03-16 16:02:49] [INFO ] Dead Transitions using invariants and state equation in 8437 ms found 0 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 10392 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 176 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 270 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 26 ms. (steps per millisecond=384 ) properties (out of 1) seen :0
Interrupted probabilistic random walk after 19982 steps, run timeout after 3001 ms. (steps per millisecond=6 ) properties seen :{}
Probabilistic random walk after 19982 steps, saw 17323 distinct states, run finished after 3003 ms. (steps per millisecond=6 ) properties seen :0
Running SMT prover for 1 properties.
[2023-03-16 16:02:53] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
[2023-03-16 16:02:53] [INFO ] Invariant cache hit.
[2023-03-16 16:02:53] [INFO ] [Real]Absence check using 13 positive place invariants in 5 ms returned sat
[2023-03-16 16:03:07] [INFO ] After 13971ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
[2023-03-16 16:03:07] [INFO ] [Nat]Absence check using 13 positive place invariants in 5 ms returned sat
[2023-03-16 16:03:21] [INFO ] After 13936ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
[2023-03-16 16:03:21] [INFO ] State equation strengthened by 268 read => feed constraints.
[2023-03-16 16:03:29] [INFO ] After 7932ms SMT Verify possible using 268 Read/Feed constraints in natural domain returned unsat :0 sat :1
[2023-03-16 16:03:31] [INFO ] Deduced a trap composed of 40 places in 1368 ms of which 1 ms to minimize.
[2023-03-16 16:03:32] [INFO ] Deduced a trap composed of 64 places in 1365 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 16:03:32] [WARNING] SMT solver failed with error :SMT solver raised an error when submitting script.... while checking expressions.
[2023-03-16 16:03:32] [INFO ] After 25581ms 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 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 270 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 26 ms. (steps per millisecond=384 ) properties (out of 1) seen :0
Interrupted probabilistic random walk after 19918 steps, run timeout after 3001 ms. (steps per millisecond=6 ) properties seen :{}
Probabilistic random walk after 19918 steps, saw 17268 distinct states, run finished after 3001 ms. (steps per millisecond=6 ) properties seen :0
Running SMT prover for 1 properties.
[2023-03-16 16:03:36] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
[2023-03-16 16:03:36] [INFO ] Invariant cache hit.
[2023-03-16 16:03:36] [INFO ] [Real]Absence check using 13 positive place invariants in 6 ms returned sat
[2023-03-16 16:03:50] [INFO ] After 14014ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
[2023-03-16 16:03:50] [INFO ] [Nat]Absence check using 13 positive place invariants in 6 ms returned sat
[2023-03-16 16:04:04] [INFO ] After 13908ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
[2023-03-16 16:04:04] [INFO ] State equation strengthened by 268 read => feed constraints.
[2023-03-16 16:04:12] [INFO ] After 7878ms SMT Verify possible using 268 Read/Feed constraints in natural domain returned unsat :0 sat :1
[2023-03-16 16:04:14] [INFO ] Deduced a trap composed of 40 places in 1394 ms of which 0 ms to minimize.
[2023-03-16 16:04:15] [INFO ] Deduced a trap composed of 64 places in 1367 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 16:04:15] [WARNING] SMT solver failed with error :SMT solver raised an error when submitting script.... while checking expressions.
[2023-03-16 16:04:15] [INFO ] After 25445ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :0 real:1
Parikh walk visited 0 properties in 3 ms.
Support contains 2 out of 626 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 626/626 places, 31352/31352 transitions.
Applied a total of 0 rules in 140 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 140 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 235 ms. Remains 626 /626 variables (removed 0) and now considering 31352/31352 (removed 0) transitions.
[2023-03-16 16:04:16] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
[2023-03-16 16:04:16] [INFO ] Invariant cache hit.
[2023-03-16 16:04:17] [INFO ] Implicit Places using invariants in 1688 ms returned []
Implicit Place search using SMT only with invariants took 1689 ms to find 0 implicit places.
[2023-03-16 16:04:17] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
[2023-03-16 16:04:17] [INFO ] Invariant cache hit.
[2023-03-16 16:04:26] [INFO ] Dead Transitions using invariants and state equation in 8400 ms found 0 transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 10329 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 493 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 16:04:26] [INFO ] Computed 13 place invariants in 44 ms
[2023-03-16 16:04:27] [INFO ] [Real]Absence check using 13 positive place invariants in 6 ms returned sat
[2023-03-16 16:04:41] [INFO ] After 14370ms SMT Verify possible using state equation in real domain returned unsat :0 sat :1
[2023-03-16 16:04:42] [INFO ] After 15063ms SMT Verify possible using trap constraints in real domain returned unsat :0 sat :0 real:1
[2023-03-16 16:04:42] [INFO ] After 15169ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
[2023-03-16 16:04:42] [INFO ] [Nat]Absence check using 13 positive place invariants in 5 ms returned sat
[2023-03-16 16:04:57] [INFO ] After 14803ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
[2023-03-16 16:04:57] [INFO ] After 15728ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
Attempting to minimize the solution found.
Minimization took 388 ms.
[2023-03-16 16:04:58] [INFO ] After 16214ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
Knowledge obtained : [p0, (X p0), true, (X (X p0))]
False Knowledge obtained : []
Knowledge based reduction with 4 factoid took 208 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 44 ms :[true, (NOT p0)]
Stuttering acceptance computed with spot in 49 ms :[true, (NOT p0)]
Stuttering acceptance computed with spot in 34 ms :[true, (NOT p0)]
Product exploration explored 100000 steps with 0 reset in 2735 ms.
Product exploration explored 100000 steps with 0 reset in 2841 ms.
Support contains 2 out of 626 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 626/626 places, 31352/31352 transitions.
Applied a total of 0 rules in 148 ms. Remains 626 /626 variables (removed 0) and now considering 31352/31352 (removed 0) transitions.
[2023-03-16 16:05:04] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
// Phase 1: matrix 18325 rows 626 cols
[2023-03-16 16:05:04] [INFO ] Computed 13 place invariants in 44 ms
[2023-03-16 16:05:06] [INFO ] Implicit Places using invariants in 1827 ms returned []
Implicit Place search using SMT only with invariants took 1830 ms to find 0 implicit places.
[2023-03-16 16:05:06] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
[2023-03-16 16:05:06] [INFO ] Invariant cache hit.
[2023-03-16 16:05:14] [INFO ] Dead Transitions using invariants and state equation in 8213 ms found 0 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 10193 ms. Remains : 626/626 places, 31352/31352 transitions.
Treatment of property RERS17pb113-PT-2-LTLFireability-05 finished in 301091 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202303021504/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(F((G(p0)&&(G(F(!p0))||G(p1)))))'
Support contains 4 out of 627 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 627/627 places, 31353/31353 transitions.
Reduce places removed 1 places and 1 transitions.
Applied a total of 0 rules in 151 ms. Remains 626 /627 variables (removed 1) and now considering 31352/31353 (removed 1) transitions.
[2023-03-16 16:05:15] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
[2023-03-16 16:05:15] [INFO ] Invariant cache hit.
[2023-03-16 16:05:17] [INFO ] Implicit Places using invariants in 1846 ms returned []
Implicit Place search using SMT only with invariants took 1847 ms to find 0 implicit places.
[2023-03-16 16:05:17] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
[2023-03-16 16:05:17] [INFO ] Invariant cache hit.
[2023-03-16 16:05:25] [INFO ] Dead Transitions using invariants and state equation in 8346 ms found 0 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 10346 ms. Remains : 626/627 places, 31352/31353 transitions.
Stuttering acceptance computed with spot in 142 ms :[(OR (NOT p0) (NOT p1)), (NOT p0), (AND p0 (NOT p1)), (AND p0 (NOT p1))]
Running random walk in product with property : RERS17pb113-PT-2-LTLFireability-06 automaton TGBA Formula[mat=[[{ cond=(NOT p0), acceptance={0} source=0 dest: 0}, { cond=p0, acceptance={} source=0 dest: 1}, { cond=(AND p0 (NOT p1)), acceptance={} source=0 dest: 2}, { cond=p0, acceptance={} source=0 dest: 3}], [{ cond=(NOT p0), acceptance={0} source=1 dest: 0}, { cond=p0, acceptance={} source=1 dest: 1}], [{ cond=(AND p0 p1), acceptance={} source=2 dest: 2}, { cond=(AND p0 (NOT p1)), acceptance={0} source=2 dest: 2}], [{ cond=(AND p0 (NOT p1)), acceptance={} source=3 dest: 2}, { cond=true, acceptance={} source=3 dest: 3}]], initial=0, aps=[p0:(AND (GEQ s197 1) (GEQ s425 1)), p1:(OR (LT s178 1) (LT s312 1))], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, no-univ-branch, stutter-invariant], stateDesc=[null, null, null, null][true, true, true, true]]
Product exploration explored 100000 steps with 0 reset in 2789 ms.
Product exploration explored 100000 steps with 0 reset in 2710 ms.
Computed a total of 0 stabilizing places and 0 stable transitions
Computed a total of 0 stabilizing places and 0 stable transitions
Knowledge obtained : [(AND (NOT p0) p1), (X (NOT (AND p0 (NOT p1)))), (X (NOT p0)), (X (NOT (AND p0 p1))), true, (X (X (NOT (AND p0 (NOT p1))))), (X (X (NOT p0))), (X (X (NOT (AND p0 p1))))]
False Knowledge obtained : []
Knowledge based reduction with 8 factoid took 372 ms. Reduced automaton from 4 states, 10 edges and 2 AP (stutter insensitive) to 4 states, 10 edges and 2 AP (stutter insensitive).
Stuttering acceptance computed with spot in 149 ms :[(OR (NOT p0) (NOT p1)), (NOT p0), (AND p0 (NOT p1)), (AND p0 (NOT p1))]
Incomplete random walk after 10000 steps, including 2 resets, run finished after 403 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 43 ms. (steps per millisecond=232 ) properties (out of 3) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 40 ms. (steps per millisecond=250 ) properties (out of 3) seen :0
Incomplete Best-First random walk after 10000 steps, including 2 resets, run finished after 47 ms. (steps per millisecond=212 ) properties (out of 3) seen :0
Interrupted probabilistic random walk after 17860 steps, run timeout after 3002 ms. (steps per millisecond=5 ) properties seen :{}
Probabilistic random walk after 17860 steps, saw 15510 distinct states, run finished after 3003 ms. (steps per millisecond=5 ) properties seen :0
Running SMT prover for 3 properties.
[2023-03-16 16:05:35] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
[2023-03-16 16:05:35] [INFO ] Invariant cache hit.
[2023-03-16 16:05:35] [INFO ] [Real]Absence check using 13 positive place invariants in 6 ms returned sat
[2023-03-16 16:05:53] [INFO ] After 17674ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:3
[2023-03-16 16:05:53] [INFO ] [Nat]Absence check using 13 positive place invariants in 6 ms returned sat
[2023-03-16 16:06:12] [INFO ] After 19238ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :3
[2023-03-16 16:06:13] [INFO ] State equation strengthened by 268 read => feed constraints.
[2023-03-16 16:06:18] [INFO ] After 5590ms SMT Verify possible using 268 Read/Feed constraints in natural domain returned unsat :0 sat :2
[2023-03-16 16:06:18] [INFO ] After 5591ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :2
Attempting to minimize the solution found.
Minimization took 2 ms.
[2023-03-16 16:06:18] [INFO ] After 25042ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :2
Parikh walk visited 0 properties in 15 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 145 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 355 ms. (steps per millisecond=28 ) properties (out of 3) 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 3) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 45 ms. (steps per millisecond=222 ) properties (out of 3) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 45 ms. (steps per millisecond=222 ) properties (out of 3) seen :0
Interrupted probabilistic random walk after 18268 steps, run timeout after 3001 ms. (steps per millisecond=6 ) properties seen :{}
Probabilistic random walk after 18268 steps, saw 15861 distinct states, run finished after 3001 ms. (steps per millisecond=6 ) properties seen :0
Running SMT prover for 3 properties.
[2023-03-16 16:06:22] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
[2023-03-16 16:06:22] [INFO ] Invariant cache hit.
[2023-03-16 16:06:22] [INFO ] [Real]Absence check using 13 positive place invariants in 6 ms returned sat
[2023-03-16 16:06:39] [INFO ] After 17664ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:3
[2023-03-16 16:06:40] [INFO ] [Nat]Absence check using 13 positive place invariants in 5 ms returned sat
[2023-03-16 16:06:59] [INFO ] After 19267ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :3
[2023-03-16 16:06:59] [INFO ] State equation strengthened by 268 read => feed constraints.
[2023-03-16 16:07:05] [INFO ] After 5552ms SMT Verify possible using 268 Read/Feed constraints in natural domain returned unsat :0 sat :2
[2023-03-16 16:07:05] [INFO ] After 5552ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :2
Attempting to minimize the solution found.
Minimization took 5 ms.
[2023-03-16 16:07:05] [INFO ] After 25034ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :2
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 138 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 138 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 136 ms. Remains 626 /626 variables (removed 0) and now considering 31352/31352 (removed 0) transitions.
[2023-03-16 16:07:05] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
[2023-03-16 16:07:05] [INFO ] Invariant cache hit.
[2023-03-16 16:07:07] [INFO ] Implicit Places using invariants in 1766 ms returned []
Implicit Place search using SMT only with invariants took 1766 ms to find 0 implicit places.
[2023-03-16 16:07:07] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
[2023-03-16 16:07:07] [INFO ] Invariant cache hit.
[2023-03-16 16:07:15] [INFO ] Dead Transitions using invariants and state equation in 8540 ms found 0 transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 10451 ms. Remains : 626/626 places, 31352/31352 transitions.
Knowledge obtained : [(AND (NOT p0) p1), (X (NOT (AND p0 (NOT p1)))), (X (NOT p0)), (X (NOT (AND p0 p1))), true, (X (X (NOT (AND p0 (NOT p1))))), (X (X (NOT p0))), (X (X (NOT (AND p0 p1))))]
False Knowledge obtained : []
Knowledge based reduction with 8 factoid took 314 ms. Reduced automaton from 4 states, 10 edges and 2 AP (stutter insensitive) to 4 states, 10 edges and 2 AP (stutter insensitive).
Stuttering acceptance computed with spot in 152 ms :[(OR (NOT p0) (NOT p1)), (NOT p0), (AND p0 (NOT p1)), (AND p0 (NOT p1))]
Stuttering acceptance computed with spot in 156 ms :[(OR (NOT p0) (NOT p1)), (NOT p0), (AND p0 (NOT p1)), (AND p0 (NOT p1))]
[2023-03-16 16:07:16] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
[2023-03-16 16:07:16] [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 143 ms. Remains 626 /626 variables (removed 0) and now considering 31352/31352 (removed 0) transitions.
[2023-03-16 16:07:31] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
[2023-03-16 16:07:31] [INFO ] Invariant cache hit.
[2023-03-16 16:07:33] [INFO ] Implicit Places using invariants in 1779 ms returned []
Implicit Place search using SMT only with invariants took 1780 ms to find 0 implicit places.
[2023-03-16 16:07:33] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
[2023-03-16 16:07:33] [INFO ] Invariant cache hit.
[2023-03-16 16:07:41] [INFO ] Dead Transitions using invariants and state equation in 8413 ms found 0 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 10336 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) p1), (X (NOT (AND p0 (NOT p1)))), (X (NOT p0)), (X (NOT (AND p0 p1))), true, (X (X (NOT (AND p0 (NOT p1))))), (X (X (NOT p0))), (X (X (NOT (AND p0 p1))))]
False Knowledge obtained : []
Knowledge based reduction with 8 factoid took 292 ms. Reduced automaton from 4 states, 10 edges and 2 AP (stutter insensitive) to 4 states, 10 edges and 2 AP (stutter insensitive).
Stuttering acceptance computed with spot in 111 ms :[(OR (NOT p0) (NOT p1)), (NOT p0), (AND p0 (NOT p1)), (AND p0 (NOT p1))]
Incomplete random walk after 10000 steps, including 2 resets, run finished after 430 ms. (steps per millisecond=23 ) properties (out of 3) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 47 ms. (steps per millisecond=212 ) properties (out of 3) seen :0
Incomplete Best-First random walk after 10000 steps, including 2 resets, run finished after 41 ms. (steps per millisecond=243 ) properties (out of 3) 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 3) seen :0
Interrupted probabilistic random walk after 18268 steps, run timeout after 3001 ms. (steps per millisecond=6 ) properties seen :{}
Probabilistic random walk after 18268 steps, saw 15861 distinct states, run finished after 3001 ms. (steps per millisecond=6 ) properties seen :0
Running SMT prover for 3 properties.
[2023-03-16 16:07:45] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
[2023-03-16 16:07:45] [INFO ] Invariant cache hit.
[2023-03-16 16:07:46] [INFO ] [Real]Absence check using 13 positive place invariants in 7 ms returned sat
[2023-03-16 16:08:03] [INFO ] After 17662ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:3
[2023-03-16 16:08:03] [INFO ] [Nat]Absence check using 13 positive place invariants in 6 ms returned sat
[2023-03-16 16:08:22] [INFO ] After 19150ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :3
[2023-03-16 16:08:22] [INFO ] State equation strengthened by 268 read => feed constraints.
[2023-03-16 16:08:28] [INFO ] After 5695ms SMT Verify possible using 268 Read/Feed constraints in natural domain returned unsat :0 sat :3
[2023-03-16 16:08:28] [INFO ] After 5695ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :3
Attempting to minimize the solution found.
Minimization took 3 ms.
[2023-03-16 16:08:28] [INFO ] After 25052ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :3
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 138 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 140 ms. Remains : 626/626 places, 31352/31352 transitions.
Incomplete random walk after 10000 steps, including 2 resets, run finished after 397 ms. (steps per millisecond=25 ) properties (out of 3) seen :0
Incomplete Best-First random walk after 10000 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 10001 steps, including 2 resets, run finished after 36 ms. (steps per millisecond=277 ) properties (out of 3) seen :0
Interrupted probabilistic random walk after 17954 steps, run timeout after 3001 ms. (steps per millisecond=5 ) properties seen :{}
Probabilistic random walk after 17954 steps, saw 15589 distinct states, run finished after 3001 ms. (steps per millisecond=5 ) properties seen :0
Running SMT prover for 3 properties.
[2023-03-16 16:08:32] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
[2023-03-16 16:08:32] [INFO ] Invariant cache hit.
[2023-03-16 16:08:32] [INFO ] [Real]Absence check using 13 positive place invariants in 7 ms returned sat
[2023-03-16 16:08:49] [INFO ] After 17444ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:3
[2023-03-16 16:08:49] [INFO ] [Nat]Absence check using 13 positive place invariants in 5 ms returned sat
[2023-03-16 16:09:09] [INFO ] After 19137ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :3
[2023-03-16 16:09:09] [INFO ] State equation strengthened by 268 read => feed constraints.
[2023-03-16 16:09:14] [INFO ] After 5693ms SMT Verify possible using 268 Read/Feed constraints in natural domain returned unsat :0 sat :3
[2023-03-16 16:09:14] [INFO ] After 5693ms 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 16:09:14] [INFO ] After 25040ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :3
Parikh walk visited 0 properties in 8 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 144 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 144 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 143 ms. Remains 626 /626 variables (removed 0) and now considering 31352/31352 (removed 0) transitions.
[2023-03-16 16:09:15] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
[2023-03-16 16:09:15] [INFO ] Invariant cache hit.
[2023-03-16 16:09:16] [INFO ] Implicit Places using invariants in 1758 ms returned []
Implicit Place search using SMT only with invariants took 1758 ms to find 0 implicit places.
[2023-03-16 16:09:16] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
[2023-03-16 16:09:16] [INFO ] Invariant cache hit.
[2023-03-16 16:09:25] [INFO ] Dead Transitions using invariants and state equation in 8456 ms found 0 transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 10365 ms. Remains : 626/626 places, 31352/31352 transitions.
Knowledge obtained : [(AND (NOT p0) p1), (X (NOT (AND p0 (NOT p1)))), (X (NOT p0)), (X (NOT (AND p0 p1))), true, (X (X (NOT (AND p0 (NOT p1))))), (X (X (NOT p0))), (X (X (NOT (AND p0 p1))))]
False Knowledge obtained : []
Knowledge based reduction with 8 factoid took 324 ms. Reduced automaton from 4 states, 10 edges and 2 AP (stutter insensitive) to 4 states, 10 edges and 2 AP (stutter insensitive).
Stuttering acceptance computed with spot in 126 ms :[(OR (NOT p0) (NOT p1)), (NOT p0), (AND p0 (NOT p1)), (AND p0 (NOT p1))]
Stuttering acceptance computed with spot in 126 ms :[(OR (NOT p0) (NOT p1)), (NOT p0), (AND p0 (NOT p1)), (AND p0 (NOT p1))]
[2023-03-16 16:09:26] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
[2023-03-16 16:09:26] [INFO ] Invariant cache hit.
Could not prove EG (NOT p0)
Stuttering acceptance computed with spot in 147 ms :[(OR (NOT p0) (NOT p1)), (NOT p0), (AND p0 (NOT p1)), (AND p0 (NOT p1))]
Product exploration explored 100000 steps with 0 reset in 2744 ms.
Product exploration explored 100000 steps with 0 reset in 2835 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 150 ms. Remains 626 /626 variables (removed 0) and now considering 31352/31352 (removed 0) transitions.
[2023-03-16 16:09:47] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
[2023-03-16 16:09:47] [INFO ] Invariant cache hit.
[2023-03-16 16:09:48] [INFO ] Implicit Places using invariants in 1765 ms returned []
Implicit Place search using SMT only with invariants took 1766 ms to find 0 implicit places.
[2023-03-16 16:09:48] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
[2023-03-16 16:09:48] [INFO ] Invariant cache hit.
[2023-03-16 16:09:57] [INFO ] Dead Transitions using invariants and state equation in 8404 ms found 0 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 10323 ms. Remains : 626/626 places, 31352/31352 transitions.
Treatment of property RERS17pb113-PT-2-LTLFireability-06 finished in 282595 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 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 255 ms. Remains 626 /627 variables (removed 1) and now considering 31352/31353 (removed 1) transitions.
[2023-03-16 16:09:58] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
[2023-03-16 16:09:58] [INFO ] Invariant cache hit.
[2023-03-16 16:10:00] [INFO ] Implicit Places using invariants in 1701 ms returned []
Implicit Place search using SMT only with invariants took 1702 ms to find 0 implicit places.
[2023-03-16 16:10:00] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
[2023-03-16 16:10:00] [INFO ] Invariant cache hit.
[2023-03-16 16:10:08] [INFO ] Dead Transitions using invariants and state equation in 8155 ms found 0 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 10114 ms. Remains : 626/627 places, 31352/31353 transitions.
Stuttering acceptance computed with spot in 44 ms :[(NOT p0)]
Running random walk in product with property : RERS17pb113-PT-2-LTLFireability-07 automaton TGBA Formula[mat=[[{ cond=p0, acceptance={} source=0 dest: 0}, { cond=(NOT p0), acceptance={0} source=0 dest: 0}]], initial=0, aps=[p0:(AND (GEQ s47 1) (GEQ s578 1) (GEQ s182 1) (GEQ s483 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 2555 ms.
Product exploration explored 100000 steps with 0 reset in 2603 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 99 ms. Reduced automaton from 1 states, 2 edges and 1 AP (stutter insensitive) to 1 states, 2 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 37 ms :[(NOT p0)]
Incomplete random walk after 10000 steps, including 2 resets, run finished after 271 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 32 ms. (steps per millisecond=312 ) properties (out of 1) seen :0
Interrupted probabilistic random walk after 19779 steps, run timeout after 3001 ms. (steps per millisecond=6 ) properties seen :{}
Probabilistic random walk after 19779 steps, saw 17150 distinct states, run finished after 3002 ms. (steps per millisecond=6 ) properties seen :0
Running SMT prover for 1 properties.
[2023-03-16 16:10:17] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
[2023-03-16 16:10:17] [INFO ] Invariant cache hit.
[2023-03-16 16:10:17] [INFO ] [Real]Absence check using 13 positive place invariants in 6 ms returned sat
[2023-03-16 16:10:33] [INFO ] After 16661ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
[2023-03-16 16:10:33] [INFO ] [Nat]Absence check using 13 positive place invariants in 6 ms returned sat
[2023-03-16 16:10:50] [INFO ] After 17047ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
[2023-03-16 16:10:51] [INFO ] State equation strengthened by 268 read => feed constraints.
[2023-03-16 16:10:58] [INFO ] After 7041ms SMT Verify possible using 268 Read/Feed constraints in natural domain returned unsat :0 sat :1
[2023-03-16 16:10:59] [INFO ] Deduced a trap composed of 65 places in 1223 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 16:10:59] [WARNING] SMT solver failed with error :SMT solver raised an error when submitting script.... while checking expressions.
[2023-03-16 16:10:59] [INFO ] After 26032ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :0 real: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 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 150 ms. Remains : 626/626 places, 31352/31352 transitions.
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 34 ms. (steps per millisecond=294 ) properties (out of 1) seen :0
Interrupted probabilistic random walk after 19056 steps, run timeout after 3001 ms. (steps per millisecond=6 ) properties seen :{}
Probabilistic random walk after 19056 steps, saw 16531 distinct states, run finished after 3002 ms. (steps per millisecond=6 ) properties seen :0
Running SMT prover for 1 properties.
[2023-03-16 16:11:03] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
[2023-03-16 16:11:03] [INFO ] Invariant cache hit.
[2023-03-16 16:11:03] [INFO ] [Real]Absence check using 13 positive place invariants in 5 ms returned sat
[2023-03-16 16:11:21] [INFO ] After 17609ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
[2023-03-16 16:11:21] [INFO ] [Nat]Absence check using 13 positive place invariants in 6 ms returned sat
[2023-03-16 16:11:38] [INFO ] After 17243ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
[2023-03-16 16:11:38] [INFO ] State equation strengthened by 268 read => feed constraints.
[2023-03-16 16:11:45] [INFO ] After 6832ms SMT Verify possible using 268 Read/Feed constraints in natural domain returned unsat :0 sat :1
[2023-03-16 16:11:47] [INFO ] Deduced a trap composed of 65 places in 1240 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 16:11:47] [WARNING] SMT solver failed with error :SMT solver raised an error when submitting script.... while checking expressions.
[2023-03-16 16:11:47] [INFO ] After 26039ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :0 real: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 144 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 145 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 164 ms. Remains 626 /626 variables (removed 0) and now considering 31352/31352 (removed 0) transitions.
[2023-03-16 16:11:47] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
[2023-03-16 16:11:47] [INFO ] Invariant cache hit.
[2023-03-16 16:11:49] [INFO ] Implicit Places using invariants in 1782 ms returned []
Implicit Place search using SMT only with invariants took 1784 ms to find 0 implicit places.
[2023-03-16 16:11:49] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
[2023-03-16 16:11:49] [INFO ] Invariant cache hit.
[2023-03-16 16:11:57] [INFO ] Dead Transitions using invariants and state equation in 8374 ms found 0 transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 10324 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 110 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 31 ms :[(NOT p0)]
Stuttering acceptance computed with spot in 26 ms :[(NOT p0)]
[2023-03-16 16:11:57] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
[2023-03-16 16:11:57] [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 145 ms. Remains 626 /626 variables (removed 0) and now considering 31352/31352 (removed 0) transitions.
[2023-03-16 16:12:13] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
[2023-03-16 16:12:13] [INFO ] Invariant cache hit.
[2023-03-16 16:12:14] [INFO ] Implicit Places using invariants in 1776 ms returned []
Implicit Place search using SMT only with invariants took 1778 ms to find 0 implicit places.
[2023-03-16 16:12:14] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
[2023-03-16 16:12:14] [INFO ] Invariant cache hit.
[2023-03-16 16:12:23] [INFO ] Dead Transitions using invariants and state equation in 8408 ms found 0 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 10331 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 125 ms. Reduced automaton from 1 states, 2 edges and 1 AP (stutter insensitive) to 1 states, 2 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 32 ms :[(NOT p0)]
Incomplete random walk after 10000 steps, including 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 31 ms. (steps per millisecond=322 ) properties (out of 1) seen :0
Interrupted probabilistic random walk after 19852 steps, run timeout after 3001 ms. (steps per millisecond=6 ) properties seen :{}
Probabilistic random walk after 19852 steps, saw 17213 distinct states, run finished after 3001 ms. (steps per millisecond=6 ) properties seen :0
Running SMT prover for 1 properties.
[2023-03-16 16:12:26] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
[2023-03-16 16:12:26] [INFO ] Invariant cache hit.
[2023-03-16 16:12:26] [INFO ] [Real]Absence check using 13 positive place invariants in 5 ms returned sat
[2023-03-16 16:12:42] [INFO ] After 15980ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
[2023-03-16 16:12:42] [INFO ] [Nat]Absence check using 13 positive place invariants in 5 ms returned sat
[2023-03-16 16:12:58] [INFO ] After 15942ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
[2023-03-16 16:12:59] [INFO ] State equation strengthened by 268 read => feed constraints.
[2023-03-16 16:13:05] [INFO ] After 6608ms SMT Verify possible using 268 Read/Feed constraints in natural domain returned unsat :0 sat :1
[2023-03-16 16:13:07] [INFO ] Deduced a trap composed of 65 places in 1177 ms of which 1 ms to minimize.
[2023-03-16 16:13:08] [INFO ] Deduced a trap composed of 40 places in 975 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 16:13:08] [WARNING] SMT solver failed with error :SMT solver raised an error when submitting script.... while checking expressions.
[2023-03-16 16:13:08] [INFO ] After 25764ms 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 144 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 144 ms. Remains : 626/626 places, 31352/31352 transitions.
Incomplete random walk after 10000 steps, including 2 resets, run finished after 268 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 32 ms. (steps per millisecond=312 ) properties (out of 1) seen :0
Interrupted probabilistic random walk after 19830 steps, run timeout after 3001 ms. (steps per millisecond=6 ) properties seen :{}
Probabilistic random walk after 19830 steps, saw 17194 distinct states, run finished after 3001 ms. (steps per millisecond=6 ) properties seen :0
Running SMT prover for 1 properties.
[2023-03-16 16:13:12] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
[2023-03-16 16:13:12] [INFO ] Invariant cache hit.
[2023-03-16 16:13:12] [INFO ] [Real]Absence check using 13 positive place invariants in 5 ms returned sat
[2023-03-16 16:13:28] [INFO ] After 16165ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
[2023-03-16 16:13:28] [INFO ] [Nat]Absence check using 13 positive place invariants in 5 ms returned sat
[2023-03-16 16:13:44] [INFO ] After 15750ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
[2023-03-16 16:13:44] [INFO ] State equation strengthened by 268 read => feed constraints.
[2023-03-16 16:13:50] [INFO ] After 6389ms SMT Verify possible using 268 Read/Feed constraints in natural domain returned unsat :0 sat :1
[2023-03-16 16:13:52] [INFO ] Deduced a trap composed of 65 places in 1175 ms of which 0 ms to minimize.
[2023-03-16 16:13:53] [INFO ] Deduced a trap composed of 40 places in 937 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 16:13:53] [WARNING] SMT solver failed with error :SMT solver raised an error when submitting script.... while checking expressions.
[2023-03-16 16:13:53] [INFO ] After 25225ms 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 138 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 138 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 137 ms. Remains 626 /626 variables (removed 0) and now considering 31352/31352 (removed 0) transitions.
[2023-03-16 16:13:53] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
[2023-03-16 16:13:53] [INFO ] Invariant cache hit.
[2023-03-16 16:13:55] [INFO ] Implicit Places using invariants in 1805 ms returned []
Implicit Place search using SMT only with invariants took 1805 ms to find 0 implicit places.
[2023-03-16 16:13:55] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
[2023-03-16 16:13:55] [INFO ] Invariant cache hit.
[2023-03-16 16:14:04] [INFO ] Dead Transitions using invariants and state equation in 8468 ms found 0 transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 10412 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 84 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 32 ms :[(NOT p0)]
[2023-03-16 16:14:04] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
[2023-03-16 16:14:04] [INFO ] Invariant cache hit.
Could not prove EG (NOT p0)
Stuttering acceptance computed with spot in 30 ms :[(NOT p0)]
Product exploration explored 100000 steps with 0 reset in 2580 ms.
Product exploration explored 100000 steps with 0 reset in 2692 ms.
Support contains 4 out of 626 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 626/626 places, 31352/31352 transitions.
Applied a total of 0 rules in 148 ms. Remains 626 /626 variables (removed 0) and now considering 31352/31352 (removed 0) transitions.
[2023-03-16 16:14:24] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
[2023-03-16 16:14:24] [INFO ] Invariant cache hit.
[2023-03-16 16:14:26] [INFO ] Implicit Places using invariants in 1780 ms returned []
Implicit Place search using SMT only with invariants took 1781 ms to find 0 implicit places.
[2023-03-16 16:14:26] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
[2023-03-16 16:14:26] [INFO ] Invariant cache hit.
[2023-03-16 16:14:35] [INFO ] Dead Transitions using invariants and state equation in 8356 ms found 0 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 10286 ms. Remains : 626/626 places, 31352/31352 transitions.
Treatment of property RERS17pb113-PT-2-LTLFireability-07 finished in 277847 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202303021504/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(F((p0&&X(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 16:14:36] [INFO ] Flow matrix only has 18326 transitions (discarded 13027 similar events)
// Phase 1: matrix 18326 rows 627 cols
[2023-03-16 16:14:36] [INFO ] Computed 13 place invariants in 152 ms
[2023-03-16 16:14:38] [INFO ] Implicit Places using invariants in 1955 ms returned []
Implicit Place search using SMT only with invariants took 1955 ms to find 0 implicit places.
[2023-03-16 16:14:38] [INFO ] Flow matrix only has 18326 transitions (discarded 13027 similar events)
[2023-03-16 16:14:38] [INFO ] Invariant cache hit.
[2023-03-16 16:14:46] [INFO ] Dead Transitions using invariants and state equation in 8457 ms found 0 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 10483 ms. Remains : 627/627 places, 31353/31353 transitions.
Stuttering acceptance computed with spot in 89 ms :[(OR (NOT p0) (NOT p1)), (NOT p1)]
Running random walk in product with property : RERS17pb113-PT-2-LTLFireability-08 automaton TGBA Formula[mat=[[{ cond=(NOT p0), acceptance={0} source=0 dest: 0}, { cond=p0, acceptance={0} source=0 dest: 1}], [{ cond=(AND (NOT p0) (NOT p1)), acceptance={0} source=1 dest: 0}, { cond=(AND p0 (NOT p1)), acceptance={0} source=1 dest: 1}]], initial=0, aps=[p0:(OR (LT s175 1) (LT s620 1)), p1:(OR (LT s70 1) (LT s339 1))], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, colored, deterministic, no-univ-branch, unambiguous, semi-deterministic, stutter-sensitive, weak, inherently-weak], stateDesc=[null, null][false, false]]
Product exploration explored 100000 steps with 50000 reset in 4118 ms.
Product exploration explored 100000 steps with 50000 reset in 4090 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), (X (NOT (AND (NOT p0) (NOT p1)))), (X (NOT (AND p0 (NOT p1)))), (X p0), (X (X (NOT (AND (NOT p0) (NOT p1))))), (X (X (NOT (AND p0 (NOT p1))))), (X (X p0))]
False Knowledge obtained : []
Knowledge sufficient to adopt a stutter insensitive property.
Property proved to be true thanks to knowledge :(AND p0 p1)
Knowledge based reduction with 7 factoid took 179 ms. Reduced automaton from 2 states, 4 edges and 2 AP (stutter sensitive) to 1 states, 0 edges and 0 AP (stutter insensitive).
FORMULA RERS17pb113-PT-2-LTLFireability-08 TRUE TECHNIQUES KNOWLEDGE
Treatment of property RERS17pb113-PT-2-LTLFireability-08 finished in 19100 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202303021504/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!((G(p0)||X(F(p1))))'
Support contains 4 out of 627 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 627/627 places, 31353/31353 transitions.
Applied a total of 0 rules in 67 ms. Remains 627 /627 variables (removed 0) and now considering 31353/31353 (removed 0) transitions.
[2023-03-16 16:14:55] [INFO ] Flow matrix only has 18326 transitions (discarded 13027 similar events)
[2023-03-16 16:14:55] [INFO ] Invariant cache hit.
[2023-03-16 16:14:56] [INFO ] Implicit Places using invariants in 1771 ms returned []
Implicit Place search using SMT only with invariants took 1771 ms to find 0 implicit places.
[2023-03-16 16:14:56] [INFO ] Flow matrix only has 18326 transitions (discarded 13027 similar events)
[2023-03-16 16:14:56] [INFO ] Invariant cache hit.
[2023-03-16 16:15:05] [INFO ] Dead Transitions using invariants and state equation in 8362 ms found 0 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 10201 ms. Remains : 627/627 places, 31353/31353 transitions.
Stuttering acceptance computed with spot in 97 ms :[(NOT p1), (AND (NOT p1) (NOT p0)), (AND (NOT p1) (NOT p0))]
Running random walk in product with property : RERS17pb113-PT-2-LTLFireability-09 automaton TGBA Formula[mat=[[{ cond=(NOT p1), acceptance={0} source=0 dest: 0}], [{ cond=(NOT p0), acceptance={} source=1 dest: 0}, { cond=p0, acceptance={} source=1 dest: 2}], [{ cond=(AND (NOT p0) (NOT p1)), acceptance={} source=2 dest: 0}, { cond=(AND p0 (NOT p1)), acceptance={} source=2 dest: 2}]], initial=1, aps=[p1:(AND (GEQ s382 1) (GEQ s614 1)), p0:(OR (LT s55 1) (LT s474 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][false, false, false]]
Product exploration explored 100000 steps with 2 reset in 2634 ms.
Product exploration explored 100000 steps with 2 reset in 2650 ms.
Computed a total of 1 stabilizing places and 1 stable transitions
Computed a total of 1 stabilizing places and 1 stable transitions
Knowledge obtained : [(AND (NOT p1) p0), (X (NOT (AND (NOT p0) (NOT p1)))), (X (AND p0 (NOT p1))), (X (NOT p1)), (X (X (NOT (AND (NOT p0) (NOT p1))))), (X (X (AND p0 (NOT p1)))), (X (X (NOT p1)))]
False Knowledge obtained : []
Knowledge based reduction with 7 factoid took 208 ms. Reduced automaton from 3 states, 5 edges and 2 AP (stutter sensitive) to 3 states, 4 edges and 2 AP (stutter sensitive).
Stuttering acceptance computed with spot in 100 ms :[(NOT p1), (AND (NOT p1) (NOT p0)), (AND (NOT p1) (NOT p0))]
Incomplete random walk after 10000 steps, including 2 resets, run finished after 322 ms. (steps per millisecond=31 ) 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
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
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
Interrupted probabilistic random walk after 19803 steps, run timeout after 3001 ms. (steps per millisecond=6 ) properties seen :{}
Probabilistic random walk after 19803 steps, saw 17266 distinct states, run finished after 3003 ms. (steps per millisecond=6 ) properties seen :0
Running SMT prover for 3 properties.
[2023-03-16 16:15:14] [INFO ] Flow matrix only has 18326 transitions (discarded 13027 similar events)
[2023-03-16 16:15:14] [INFO ] Invariant cache hit.
[2023-03-16 16:15:14] [INFO ] [Real]Absence check using 13 positive place invariants in 6 ms returned sat
[2023-03-16 16:15:28] [INFO ] After 14081ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:3
[2023-03-16 16:15:28] [INFO ] [Nat]Absence check using 13 positive place invariants in 6 ms returned sat
[2023-03-16 16:15:43] [INFO ] After 14297ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :3
[2023-03-16 16:15:43] [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.checkResults(DeadlockTester.java:797)
at fr.lip6.move.gal.structural.smt.DeadlockTester.verifyPossible(DeadlockTester.java:644)
at fr.lip6.move.gal.structural.smt.DeadlockTester.testUnreachableWithSMTIncremental(DeadlockTester.java:350)
at fr.lip6.move.gal.structural.smt.DeadlockTester.testUnreachableWithSMT(DeadlockTester.java:223)
at fr.lip6.move.gal.application.solver.ReachabilitySolver.applyReductions(ReachabilitySolver.java:95)
at fr.lip6.move.gal.application.solver.ltl.LTLPropertySolver.addInvarianceKnowledge(LTLPropertySolver.java:701)
at fr.lip6.move.gal.application.solver.ltl.LTLPropertySolver.applyKnowledgeBasedReductions(LTLPropertySolver.java:568)
at fr.lip6.move.gal.application.solver.ltl.LTLPropertySolver.checkLTLProperty(LTLPropertySolver.java:251)
at fr.lip6.move.gal.application.solver.ltl.LTLPropertySolver.runStutteringLTLTest(LTLPropertySolver.java:225)
at fr.lip6.move.gal.application.solver.ltl.LTLPropertySolver.runStructuralLTLCheck(LTLPropertySolver.java:76)
at fr.lip6.move.gal.application.Application.startNoEx(Application.java:762)
at fr.lip6.move.gal.application.Application.start(Application.java:178)
at fr.lip6.move.gal.itscl.application.Application.start(Application.java:45)
at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:203)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:136)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:104)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:402)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:255)
at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:77)
at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.base/java.lang.reflect.Method.invoke(Method.java:568)
at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:659)
at org.eclipse.equinox.launcher.Main.basicRun(Main.java:596)
at org.eclipse.equinox.launcher.Main.run(Main.java:1467)
at org.eclipse.equinox.launcher.Main.main(Main.java:1440)
[2023-03-16 16:15:53] [WARNING] SMT solver failed with error :SMT solver raised an error when submitting script.... while checking expressions.
[2023-03-16 16:15:53] [INFO ] After 25036ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :0 real:3
Parikh walk visited 0 properties in 11 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 426 ms. (steps per millisecond=23 ) properties (out of 3) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 45 ms. (steps per millisecond=222 ) properties (out of 3) 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 3) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 42 ms. (steps per millisecond=238 ) properties (out of 3) seen :0
Interrupted probabilistic random walk after 18219 steps, run timeout after 3002 ms. (steps per millisecond=6 ) properties seen :{}
Probabilistic random walk after 18219 steps, saw 15819 distinct states, run finished after 3002 ms. (steps per millisecond=6 ) properties seen :0
Running SMT prover for 3 properties.
[2023-03-16 16:15:57] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
// Phase 1: matrix 18325 rows 626 cols
[2023-03-16 16:15:57] [INFO ] Computed 13 place invariants in 45 ms
[2023-03-16 16:15:57] [INFO ] [Real]Absence check using 13 positive place invariants in 7 ms returned sat
[2023-03-16 16:16:11] [INFO ] After 13500ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:3
[2023-03-16 16:16:11] [INFO ] [Nat]Absence check using 13 positive place invariants in 6 ms returned sat
[2023-03-16 16:16:25] [INFO ] After 14305ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :3
[2023-03-16 16:16:25] [INFO ] State equation strengthened by 268 read => feed constraints.
[2023-03-16 16:16:33] [INFO ] After 7678ms SMT Verify possible using 268 Read/Feed constraints in natural domain returned unsat :0 sat :3
[2023-03-16 16:16:35] [INFO ] Deduced a trap composed of 40 places in 1720 ms of which 1 ms to minimize.
[2023-03-16 16:16:37] [INFO ] Deduced a trap composed of 64 places in 1295 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 16:16:37] [WARNING] SMT solver failed with error :SMT solver raised an error when submitting script.... while checking expressions.
[2023-03-16 16:16:37] [INFO ] After 25952ms 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 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 141 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 141 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 137 ms. Remains 626 /626 variables (removed 0) and now considering 31352/31352 (removed 0) transitions.
[2023-03-16 16:16:37] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
[2023-03-16 16:16:37] [INFO ] Invariant cache hit.
[2023-03-16 16:16:39] [INFO ] Implicit Places using invariants in 1765 ms returned []
Implicit Place search using SMT only with invariants took 1767 ms to find 0 implicit places.
[2023-03-16 16:16:39] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
[2023-03-16 16:16:39] [INFO ] Invariant cache hit.
[2023-03-16 16:16:47] [INFO ] Dead Transitions using invariants and state equation in 8310 ms found 0 transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 10217 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 486 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 16:16:48] [INFO ] Computed 13 place invariants in 48 ms
[2023-03-16 16:16:48] [INFO ] [Real]Absence check using 13 positive place invariants in 6 ms returned sat
[2023-03-16 16:17:04] [INFO ] After 15877ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:3
[2023-03-16 16:17:04] [INFO ] [Nat]Absence check using 13 positive place invariants in 5 ms returned sat
[2023-03-16 16:17:22] [INFO ] After 18310ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :3
[2023-03-16 16:17:24] [INFO ] After 20361ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :3
Attempting to minimize the solution found.
Minimization took 1139 ms.
[2023-03-16 16:17:25] [INFO ] After 21631ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :3
Knowledge obtained : [(AND (NOT p1) p0), (X (NOT (AND (NOT p0) (NOT p1)))), (X (AND p0 (NOT p1))), (X (NOT p1)), (X (X (NOT (AND (NOT p0) (NOT p1))))), (X (X (AND p0 (NOT p1)))), (X (X (NOT p1)))]
False Knowledge obtained : []
Knowledge based reduction with 7 factoid took 224 ms. Reduced automaton from 3 states, 4 edges and 2 AP (stutter sensitive) to 3 states, 4 edges and 2 AP (stutter sensitive).
Stuttering acceptance computed with spot in 82 ms :[(NOT p1), (AND (NOT p1) (NOT p0)), (AND (NOT p1) (NOT p0))]
Stuttering acceptance computed with spot in 79 ms :[(NOT p1), (AND (NOT p1) (NOT p0)), (AND (NOT p1) (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 64 ms. Remains 627 /627 variables (removed 0) and now considering 31353/31353 (removed 0) transitions.
[2023-03-16 16:17:26] [INFO ] Flow matrix only has 18326 transitions (discarded 13027 similar events)
// Phase 1: matrix 18326 rows 627 cols
[2023-03-16 16:17:26] [INFO ] Computed 13 place invariants in 43 ms
[2023-03-16 16:17:27] [INFO ] Implicit Places using invariants in 1731 ms returned []
Implicit Place search using SMT only with invariants took 1734 ms to find 0 implicit places.
[2023-03-16 16:17:27] [INFO ] Flow matrix only has 18326 transitions (discarded 13027 similar events)
[2023-03-16 16:17:27] [INFO ] Invariant cache hit.
[2023-03-16 16:17:36] [INFO ] Dead Transitions using invariants and state equation in 8461 ms found 0 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 10261 ms. Remains : 627/627 places, 31353/31353 transitions.
Computed a total of 1 stabilizing places and 1 stable transitions
Computed a total of 1 stabilizing places and 1 stable transitions
Knowledge obtained : [(AND (NOT p1) p0), (X (NOT (AND (NOT p0) (NOT p1)))), (X (AND p0 (NOT p1))), (X (X (NOT (AND (NOT p0) (NOT p1))))), (X (X (AND p0 (NOT p1)))), (X (X (NOT p1)))]
False Knowledge obtained : []
Knowledge based reduction with 6 factoid took 239 ms. Reduced automaton from 3 states, 4 edges and 2 AP (stutter sensitive) to 3 states, 4 edges and 2 AP (stutter sensitive).
Stuttering acceptance computed with spot in 88 ms :[(NOT p1), (AND (NOT p1) (NOT p0)), (AND (NOT p1) (NOT p0))]
Incomplete random walk after 10000 steps, including 2 resets, run finished after 456 ms. (steps per millisecond=21 ) properties (out of 3) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 47 ms. (steps per millisecond=212 ) properties (out of 3) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 45 ms. (steps per millisecond=222 ) properties (out of 3) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 45 ms. (steps per millisecond=222 ) properties (out of 3) seen :0
Interrupted probabilistic random walk after 18765 steps, run timeout after 3002 ms. (steps per millisecond=6 ) properties seen :{}
Probabilistic random walk after 18765 steps, saw 16369 distinct states, run finished after 3002 ms. (steps per millisecond=6 ) properties seen :0
Running SMT prover for 3 properties.
[2023-03-16 16:17:40] [INFO ] Flow matrix only has 18326 transitions (discarded 13027 similar events)
[2023-03-16 16:17:40] [INFO ] Invariant cache hit.
[2023-03-16 16:17:40] [INFO ] [Real]Absence check using 13 positive place invariants in 7 ms returned sat
[2023-03-16 16:17:55] [INFO ] After 15307ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:3
[2023-03-16 16:17:55] [INFO ] [Nat]Absence check using 13 positive place invariants in 8 ms returned sat
[2023-03-16 16:18:11] [INFO ] After 15177ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :3
[2023-03-16 16:18:11] [INFO ] State equation strengthened by 829 read => feed constraints.
[2023-03-16 16:18:20] [INFO ] After 9619ms SMT Verify possible using 829 Read/Feed constraints in natural domain returned unsat :0 sat :2
[2023-03-16 16:18:20] [INFO ] After 9619ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :2
Attempting to minimize the solution found.
Minimization took 2 ms.
[2023-03-16 16:18:20] [INFO ] After 25038ms 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 290 ms. Remains 626 /627 variables (removed 1) and now considering 31352/31353 (removed 1) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 290 ms. Remains : 626/627 places, 31352/31353 transitions.
Incomplete random walk after 10000 steps, including 2 resets, run finished after 442 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 42 ms. (steps per millisecond=238 ) properties (out of 3) 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 3) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 43 ms. (steps per millisecond=232 ) properties (out of 3) seen :0
Interrupted probabilistic random walk after 17368 steps, run timeout after 3002 ms. (steps per millisecond=5 ) properties seen :{}
Probabilistic random walk after 17368 steps, saw 15091 distinct states, run finished after 3002 ms. (steps per millisecond=5 ) properties seen :0
Running SMT prover for 3 properties.
[2023-03-16 16:18:24] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
// Phase 1: matrix 18325 rows 626 cols
[2023-03-16 16:18:24] [INFO ] Computed 13 place invariants in 48 ms
[2023-03-16 16:18:25] [INFO ] [Real]Absence check using 13 positive place invariants in 6 ms returned sat
[2023-03-16 16:18:38] [INFO ] After 13892ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:3
[2023-03-16 16:18:38] [INFO ] [Nat]Absence check using 13 positive place invariants in 7 ms returned sat
[2023-03-16 16:18:53] [INFO ] After 15033ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :3
[2023-03-16 16:18:54] [INFO ] State equation strengthened by 268 read => feed constraints.
[2023-03-16 16:19:02] [INFO ] After 8059ms SMT Verify possible using 268 Read/Feed constraints in natural domain returned unsat :0 sat :3
[2023-03-16 16:19:04] [INFO ] Deduced a trap composed of 40 places in 1777 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 16:19:04] [WARNING] SMT solver failed with error :SMT solver raised an error when submitting script.... while checking expressions.
[2023-03-16 16:19:04] [INFO ] After 25521ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :0 real:3
Parikh walk visited 0 properties in 15 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 145 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 145 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 144 ms. Remains 626 /626 variables (removed 0) and now considering 31352/31352 (removed 0) transitions.
[2023-03-16 16:19:04] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
[2023-03-16 16:19:04] [INFO ] Invariant cache hit.
[2023-03-16 16:19:06] [INFO ] Implicit Places using invariants in 1780 ms returned []
Implicit Place search using SMT only with invariants took 1780 ms to find 0 implicit places.
[2023-03-16 16:19:06] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
[2023-03-16 16:19:06] [INFO ] Invariant cache hit.
[2023-03-16 16:19:15] [INFO ] Dead Transitions using invariants and state equation in 8803 ms found 0 transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 10730 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 498 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 16:19:15] [INFO ] Computed 13 place invariants in 66 ms
[2023-03-16 16:19:15] [INFO ] [Real]Absence check using 13 positive place invariants in 5 ms returned sat
[2023-03-16 16:19:32] [INFO ] After 16554ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:3
[2023-03-16 16:19:32] [INFO ] [Nat]Absence check using 13 positive place invariants in 5 ms returned sat
[2023-03-16 16:19:51] [INFO ] After 18853ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :3
[2023-03-16 16:19:53] [INFO ] After 20984ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :3
Attempting to minimize the solution found.
Minimization took 1204 ms.
[2023-03-16 16:19:54] [INFO ] After 22311ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :3
Knowledge obtained : [(AND (NOT p1) p0), (X (NOT (AND (NOT p0) (NOT p1)))), (X (AND p0 (NOT p1))), (X (X (NOT (AND (NOT p0) (NOT p1))))), (X (X (AND p0 (NOT p1)))), (X (X (NOT p1)))]
False Knowledge obtained : []
Knowledge based reduction with 6 factoid took 208 ms. Reduced automaton from 3 states, 4 edges and 2 AP (stutter sensitive) to 3 states, 4 edges and 2 AP (stutter sensitive).
Stuttering acceptance computed with spot in 114 ms :[(NOT p1), (AND (NOT p1) (NOT p0)), (AND (NOT p1) (NOT p0))]
Stuttering acceptance computed with spot in 100 ms :[(NOT p1), (AND (NOT p1) (NOT p0)), (AND (NOT p1) (NOT p0))]
Stuttering acceptance computed with spot in 97 ms :[(NOT p1), (AND (NOT p1) (NOT p0)), (AND (NOT p1) (NOT p0))]
Product exploration explored 100000 steps with 0 reset in 2698 ms.
Product exploration explored 100000 steps with 1 reset in 2749 ms.
Applying partial POR strategy [true, false, true]
Stuttering acceptance computed with spot in 115 ms :[(NOT p1), (AND (NOT p1) (NOT p0)), (AND (NOT p1) (NOT 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.
Applied a total of 0 rules in 158 ms. Remains 627 /627 variables (removed 0) and now considering 31353/31353 (removed 0) transitions.
[2023-03-16 16:20:01] [INFO ] Flow matrix only has 18326 transitions (discarded 13027 similar events)
// Phase 1: matrix 18326 rows 627 cols
[2023-03-16 16:20:01] [INFO ] Computed 13 place invariants in 48 ms
[2023-03-16 16:20:09] [INFO ] Dead Transitions using invariants and state equation in 8556 ms found 0 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 8719 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 68 ms. Remains 627 /627 variables (removed 0) and now considering 31353/31353 (removed 0) transitions.
[2023-03-16 16:20:09] [INFO ] Flow matrix only has 18326 transitions (discarded 13027 similar events)
[2023-03-16 16:20:09] [INFO ] Invariant cache hit.
[2023-03-16 16:20:11] [INFO ] Implicit Places using invariants in 1756 ms returned []
Implicit Place search using SMT only with invariants took 1757 ms to find 0 implicit places.
[2023-03-16 16:20:11] [INFO ] Flow matrix only has 18326 transitions (discarded 13027 similar events)
[2023-03-16 16:20:11] [INFO ] Invariant cache hit.
[2023-03-16 16:20:20] [INFO ] Dead Transitions using invariants and state equation in 8429 ms found 0 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 10254 ms. Remains : 627/627 places, 31353/31353 transitions.
Treatment of property RERS17pb113-PT-2-LTLFireability-09 finished in 325881 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202303021504/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!((F(p0)&&G(((p0 U p1)||F((G(F(!p2))||(!p1&&F(!p2))))))))'
Support contains 6 out of 627 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 627/627 places, 31353/31353 transitions.
Reduce places removed 1 places and 1 transitions.
Applied a total of 0 rules in 261 ms. Remains 626 /627 variables (removed 1) and now considering 31352/31353 (removed 1) transitions.
[2023-03-16 16:20:21] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
// Phase 1: matrix 18325 rows 626 cols
[2023-03-16 16:20:21] [INFO ] Computed 13 place invariants in 47 ms
[2023-03-16 16:20:23] [INFO ] Implicit Places using invariants in 1836 ms returned []
Implicit Place search using SMT only with invariants took 1836 ms to find 0 implicit places.
[2023-03-16 16:20:23] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
[2023-03-16 16:20:23] [INFO ] Invariant cache hit.
[2023-03-16 16:20:31] [INFO ] Dead Transitions using invariants and state equation in 8483 ms found 0 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 10580 ms. Remains : 626/627 places, 31352/31353 transitions.
Stuttering acceptance computed with spot in 181 ms :[(OR (NOT p0) (AND (NOT p1) p2)), (NOT p0), (AND (NOT p1) p2), p2, (AND (NOT p1) p2)]
Running random walk in product with property : RERS17pb113-PT-2-LTLFireability-11 automaton TGBA Formula[mat=[[{ cond=(NOT p0), acceptance={} source=0 dest: 1}, { cond=true, acceptance={} source=0 dest: 2}, { cond=(AND (NOT p0) (NOT p1) p2), acceptance={} source=0 dest: 3}, { cond=(AND p0 (NOT p1) p2), acceptance={} source=0 dest: 4}], [{ cond=(NOT p0), acceptance={0} source=1 dest: 1}], [{ cond=true, acceptance={} source=2 dest: 2}, { cond=(AND (NOT p0) (NOT p1) p2), acceptance={} source=2 dest: 3}, { cond=(AND p0 (NOT p1) p2), acceptance={} source=2 dest: 4}], [{ cond=p2, acceptance={0} source=3 dest: 3}], [{ cond=(AND (NOT p0) (NOT p1) p2), acceptance={} source=4 dest: 3}, { cond=(AND p0 (NOT p1) p2), acceptance={0} source=4 dest: 4}]], initial=0, aps=[p0:(AND (GEQ s79 1) (GEQ s565 1)), p1:(AND (GEQ s62 1) (GEQ s82 1)), p2:(AND (GEQ s245 1) (GEQ s466 1))], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, no-univ-branch, stutter-invariant], stateDesc=[null, null, null, null, null][true, true, true, true, true]]
Product exploration explored 100000 steps with 0 reset in 2705 ms.
Product exploration explored 100000 steps with 0 reset in 2718 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) (NOT p2)), (X (NOT p2)), (X (NOT (AND p0 (NOT p1) p2))), (X (NOT p0)), (X (NOT (AND (NOT p0) (NOT p1) p2))), (X (X (NOT p2))), true, (X (X (NOT (AND p0 (NOT p1) p2)))), (X (X (NOT p0))), (X (X (NOT (AND (NOT p0) (NOT p1) p2))))]
False Knowledge obtained : []
Knowledge based reduction with 10 factoid took 505 ms. Reduced automaton from 5 states, 11 edges and 3 AP (stutter insensitive) to 5 states, 9 edges and 3 AP (stutter sensitive).
Stuttering acceptance computed with spot in 173 ms :[(OR (NOT p0) (AND (NOT p1) p2)), (NOT p0), (AND (NOT p1) p2), p2, (AND (NOT p1) p2)]
Incomplete random walk after 10000 steps, including 2 resets, run finished after 335 ms. (steps per millisecond=29 ) properties (out of 4) seen :2
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 31 ms. (steps per millisecond=322 ) properties (out of 2) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 32 ms. (steps per millisecond=312 ) properties (out of 2) seen :1
Running SMT prover for 1 properties.
[2023-03-16 16:20:38] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
[2023-03-16 16:20:38] [INFO ] Invariant cache hit.
[2023-03-16 16:20:38] [INFO ] [Real]Absence check using 13 positive place invariants in 6 ms returned sat
[2023-03-16 16:20:54] [INFO ] After 16278ms SMT Verify possible using all constraints in real domain returned unsat :1 sat :0
Fused 1 Parikh solutions to 0 different solutions.
Parikh walk visited 0 properties in 0 ms.
Found 1 invariant AP formulas.
Knowledge obtained : [(AND (NOT p0) (NOT p1) (NOT p2)), (X (NOT p2)), (X (NOT (AND p0 (NOT p1) p2))), (X (NOT p0)), (X (NOT (AND (NOT p0) (NOT p1) p2))), (X (X (NOT p2))), true, (X (X (NOT (AND p0 (NOT p1) p2)))), (X (X (NOT p0))), (X (X (NOT (AND (NOT p0) (NOT p1) p2)))), (G (NOT (AND p0 (NOT p1) p2)))]
False Knowledge obtained : [(F p2), (F p0), (F (AND (NOT p0) (NOT p1) p2))]
Knowledge based reduction with 11 factoid took 625 ms. Reduced automaton from 5 states, 9 edges and 3 AP (stutter sensitive) to 4 states, 6 edges and 3 AP (stutter sensitive).
Stuttering acceptance computed with spot in 134 ms :[(OR (NOT p0) (AND (NOT p1) p2)), (NOT p0), (AND (NOT p1) p2), p2]
Stuttering acceptance computed with spot in 142 ms :[(OR (NOT p0) (AND (NOT p1) p2)), (NOT p0), (AND (NOT p1) p2), p2]
[2023-03-16 16:20:55] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
[2023-03-16 16:20:55] [INFO ] Invariant cache hit.
Could not prove EG (NOT p0)
Support contains 6 out of 626 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 626/626 places, 31352/31352 transitions.
Applied a total of 0 rules in 67 ms. Remains 626 /626 variables (removed 0) and now considering 31352/31352 (removed 0) transitions.
[2023-03-16 16:21:10] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
[2023-03-16 16:21:10] [INFO ] Invariant cache hit.
[2023-03-16 16:21:12] [INFO ] Implicit Places using invariants in 1745 ms returned []
Implicit Place search using SMT only with invariants took 1746 ms to find 0 implicit places.
[2023-03-16 16:21:12] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
[2023-03-16 16:21:12] [INFO ] Invariant cache hit.
[2023-03-16 16:21:21] [INFO ] Dead Transitions using invariants and state equation in 8461 ms found 0 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 10274 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) (NOT p2)), (X (NOT (AND (NOT p1) p2))), (X (NOT p0)), (X (X (NOT (AND (NOT p1) p2)))), (X (X (NOT p2))), true, (X (X (NOT p0)))]
False Knowledge obtained : []
Knowledge based reduction with 7 factoid took 291 ms. Reduced automaton from 4 states, 6 edges and 3 AP (stutter sensitive) to 4 states, 6 edges and 3 AP (stutter sensitive).
Stuttering acceptance computed with spot in 137 ms :[(OR (NOT p0) (AND (NOT p1) p2)), (NOT p0), (AND (NOT p1) p2), p2]
Incomplete random walk after 10000 steps, including 2 resets, run finished after 275 ms. (steps per millisecond=36 ) properties (out of 3) seen :2
Finished Best-First random walk after 5565 steps, including 1 resets, run visited all 1 properties in 16 ms. (steps per millisecond=347 )
Knowledge obtained : [(AND (NOT p0) (NOT p1) (NOT p2)), (X (NOT (AND (NOT p1) p2))), (X (NOT p0)), (X (X (NOT (AND (NOT p1) p2)))), (X (X (NOT p2))), true, (X (X (NOT p0)))]
False Knowledge obtained : [(F p0), (F p2), (F (AND (NOT p1) p2))]
Knowledge based reduction with 7 factoid took 305 ms. Reduced automaton from 4 states, 6 edges and 3 AP (stutter sensitive) to 4 states, 6 edges and 3 AP (stutter sensitive).
Stuttering acceptance computed with spot in 139 ms :[(OR (NOT p0) (AND (NOT p1) p2)), (NOT p0), (AND (NOT p1) p2), p2]
Stuttering acceptance computed with spot in 166 ms :[(OR (NOT p0) (AND (NOT p1) p2)), (NOT p0), (AND (NOT p1) p2), p2]
[2023-03-16 16:21:22] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
[2023-03-16 16:21:22] [INFO ] Invariant cache hit.
Could not prove EG (NOT p0)
Stuttering acceptance computed with spot in 142 ms :[(OR (NOT p0) (AND (NOT p1) p2)), (NOT p0), (AND (NOT p1) p2), p2]
Product exploration explored 100000 steps with 0 reset in 2629 ms.
Product exploration explored 100000 steps with 0 reset in 2677 ms.
Applying partial POR strategy [false, true, true, true]
Stuttering acceptance computed with spot in 135 ms :[(OR (NOT p0) (AND (NOT p1) p2)), (NOT p0), (AND (NOT p1) p2), p2]
Support contains 6 out of 626 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 626/626 places, 31352/31352 transitions.
Applied a total of 0 rules in 143 ms. Remains 626 /626 variables (removed 0) and now considering 31352/31352 (removed 0) transitions.
[2023-03-16 16:21:43] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
[2023-03-16 16:21:43] [INFO ] Invariant cache hit.
[2023-03-16 16:21:51] [INFO ] Dead Transitions using invariants and state equation in 8338 ms found 0 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 8481 ms. Remains : 626/626 places, 31352/31352 transitions.
Support contains 6 out of 626 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 626/626 places, 31352/31352 transitions.
Applied a total of 0 rules in 65 ms. Remains 626 /626 variables (removed 0) and now considering 31352/31352 (removed 0) transitions.
[2023-03-16 16:21:52] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
[2023-03-16 16:21:52] [INFO ] Invariant cache hit.
[2023-03-16 16:21:53] [INFO ] Implicit Places using invariants in 1749 ms returned []
Implicit Place search using SMT only with invariants took 1752 ms to find 0 implicit places.
[2023-03-16 16:21:53] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
[2023-03-16 16:21:53] [INFO ] Invariant cache hit.
[2023-03-16 16:22:02] [INFO ] Dead Transitions using invariants and state equation in 8365 ms found 0 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 10184 ms. Remains : 626/626 places, 31352/31352 transitions.
Treatment of property RERS17pb113-PT-2-LTLFireability-11 finished in 102119 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(!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 262 ms. Remains 626 /627 variables (removed 1) and now considering 31352/31353 (removed 1) transitions.
[2023-03-16 16:22:03] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
[2023-03-16 16:22:03] [INFO ] Invariant cache hit.
[2023-03-16 16:22:05] [INFO ] Implicit Places using invariants in 1797 ms returned []
Implicit Place search using SMT only with invariants took 1799 ms to find 0 implicit places.
[2023-03-16 16:22:05] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
[2023-03-16 16:22:05] [INFO ] Invariant cache hit.
[2023-03-16 16:22:13] [INFO ] Dead Transitions using invariants and state equation in 8467 ms found 0 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 10530 ms. Remains : 626/627 places, 31352/31353 transitions.
Stuttering acceptance computed with spot in 115 ms :[true, (NOT p0), p0]
Running random walk in product with property : RERS17pb113-PT-2-LTLFireability-13 automaton TGBA Formula[mat=[[{ cond=true, acceptance={} source=0 dest: 0}, { cond=(NOT p0), acceptance={} source=0 dest: 1}, { cond=p0, acceptance={} source=0 dest: 2}], [{ cond=(NOT p0), acceptance={0} source=1 dest: 1}], [{ cond=p0, acceptance={0} source=2 dest: 2}]], initial=0, aps=[p0:(OR (LT s162 1) (LT s377 1))], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, no-univ-branch, stutter-invariant, very-weak, weak, inherently-weak], stateDesc=[null, null, null][true, true, true]]
Product exploration explored 100000 steps with 0 reset in 2634 ms.
Product exploration explored 100000 steps with 0 reset in 2718 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 117 ms. Reduced automaton from 3 states, 5 edges and 1 AP (stutter insensitive) to 3 states, 5 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 120 ms :[true, (NOT p0), p0]
Incomplete random walk after 10000 steps, including 2 resets, run finished after 282 ms. (steps per millisecond=35 ) properties (out of 1) seen :0
Finished Best-First random walk after 9306 steps, including 2 resets, run visited all 1 properties in 27 ms. (steps per millisecond=344 )
Knowledge obtained : [p0, (X p0), (X (X p0))]
False Knowledge obtained : [(F (NOT p0))]
Knowledge based reduction with 3 factoid took 123 ms. Reduced automaton from 3 states, 5 edges and 1 AP (stutter insensitive) to 3 states, 5 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 98 ms :[true, (NOT p0), p0]
Stuttering acceptance computed with spot in 164 ms :[true, (NOT p0), p0]
[2023-03-16 16:22:20] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
[2023-03-16 16:22:20] [INFO ] Invariant cache hit.
Proved EG true
Knowledge obtained : [p0, (X p0), (X (X p0))]
False Knowledge obtained : [(F (NOT p0)), true]
Knowledge based reduction with 3 factoid took 169 ms. Reduced automaton from 3 states, 5 edges and 1 AP (stutter insensitive) to 3 states, 5 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 99 ms :[true, (NOT p0), 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 146 ms. Remains 626 /626 variables (removed 0) and now considering 31352/31352 (removed 0) transitions.
[2023-03-16 16:22:31] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
[2023-03-16 16:22:31] [INFO ] Invariant cache hit.
[2023-03-16 16:22:32] [INFO ] Implicit Places using invariants in 1748 ms returned []
Implicit Place search using SMT only with invariants took 1749 ms to find 0 implicit places.
[2023-03-16 16:22:32] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
[2023-03-16 16:22:32] [INFO ] Invariant cache hit.
[2023-03-16 16:22:41] [INFO ] Dead Transitions using invariants and state equation in 8332 ms found 0 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 10228 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 124 ms. Reduced automaton from 3 states, 5 edges and 1 AP (stutter insensitive) to 3 states, 5 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 86 ms :[true, (NOT p0), p0]
Incomplete random walk after 10000 steps, including 2 resets, run finished after 273 ms. (steps per millisecond=36 ) properties (out of 1) seen :0
Finished Best-First random walk after 2089 steps, including 0 resets, run visited all 1 properties in 8 ms. (steps per millisecond=261 )
Knowledge obtained : [p0, (X p0), (X (X p0))]
False Knowledge obtained : [(F (NOT p0))]
Knowledge based reduction with 3 factoid took 137 ms. Reduced automaton from 3 states, 5 edges and 1 AP (stutter insensitive) to 3 states, 5 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 104 ms :[true, (NOT p0), p0]
Stuttering acceptance computed with spot in 92 ms :[true, (NOT p0), p0]
[2023-03-16 16:22:42] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
[2023-03-16 16:22:42] [INFO ] Invariant cache hit.
Proved EG true
Knowledge obtained : [p0, (X p0), (X (X p0))]
False Knowledge obtained : [(F (NOT p0)), true]
Knowledge based reduction with 3 factoid took 176 ms. Reduced automaton from 3 states, 5 edges and 1 AP (stutter insensitive) to 3 states, 5 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 113 ms :[true, (NOT p0), p0]
Stuttering acceptance computed with spot in 102 ms :[true, (NOT p0), p0]
Product exploration explored 100000 steps with 0 reset in 2616 ms.
Product exploration explored 100000 steps with 0 reset in 2681 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 165 ms. Remains 626 /626 variables (removed 0) and now considering 31352/31352 (removed 0) transitions.
[2023-03-16 16:22:59] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
[2023-03-16 16:22:59] [INFO ] Invariant cache hit.
[2023-03-16 16:23:00] [INFO ] Implicit Places using invariants in 1761 ms returned []
Implicit Place search using SMT only with invariants took 1762 ms to find 0 implicit places.
[2023-03-16 16:23:01] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
[2023-03-16 16:23:01] [INFO ] Invariant cache hit.
[2023-03-16 16:23:09] [INFO ] Dead Transitions using invariants and state equation in 8325 ms found 0 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 10253 ms. Remains : 626/626 places, 31352/31352 transitions.
Treatment of property RERS17pb113-PT-2-LTLFireability-13 finished in 67169 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(F(p0))))'
Support contains 2 out of 627 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 627/627 places, 31353/31353 transitions.
Applied a total of 0 rules in 66 ms. Remains 627 /627 variables (removed 0) and now considering 31353/31353 (removed 0) transitions.
[2023-03-16 16:23:10] [INFO ] Flow matrix only has 18326 transitions (discarded 13027 similar events)
// Phase 1: matrix 18326 rows 627 cols
[2023-03-16 16:23:10] [INFO ] Computed 13 place invariants in 148 ms
[2023-03-16 16:23:12] [INFO ] Implicit Places using invariants in 1961 ms returned []
Implicit Place search using SMT only with invariants took 1962 ms to find 0 implicit places.
[2023-03-16 16:23:12] [INFO ] Flow matrix only has 18326 transitions (discarded 13027 similar events)
[2023-03-16 16:23:12] [INFO ] Invariant cache hit.
[2023-03-16 16:23:20] [INFO ] Dead Transitions using invariants and state equation in 8549 ms found 0 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 10578 ms. Remains : 627/627 places, 31353/31353 transitions.
Stuttering acceptance computed with spot in 110 ms :[(NOT p0), (NOT p0), (NOT p0)]
Running random walk in product with property : RERS17pb113-PT-2-LTLFireability-14 automaton TGBA Formula[mat=[[{ cond=(NOT p0), acceptance={0} source=0 dest: 0}], [{ cond=true, acceptance={} source=1 dest: 0}], [{ cond=true, acceptance={} source=2 dest: 1}]], initial=2, aps=[p0:(AND (GEQ s268 1) (GEQ s477 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][false, false, false]]
Product exploration explored 100000 steps with 12 reset in 2795 ms.
Product exploration explored 100000 steps with 10 reset in 2843 ms.
Computed a total of 1 stabilizing places and 1 stable transitions
Computed a total of 1 stabilizing places and 1 stable transitions
Knowledge obtained : [(NOT p0), (X (X (NOT p0)))]
False Knowledge obtained : []
Knowledge based reduction with 2 factoid took 81 ms. Reduced automaton from 3 states, 3 edges and 1 AP (stutter sensitive) to 3 states, 3 edges and 1 AP (stutter sensitive).
Stuttering acceptance computed with spot in 106 ms :[(NOT p0), (NOT p0), (NOT p0)]
Finished random walk after 4466 steps, including 1 resets, run visited all 1 properties in 127 ms. (steps per millisecond=35 )
Knowledge obtained : [(NOT p0), (X (X (NOT p0)))]
False Knowledge obtained : [(F p0)]
Knowledge based reduction with 2 factoid took 94 ms. Reduced automaton from 3 states, 3 edges and 1 AP (stutter sensitive) to 3 states, 3 edges and 1 AP (stutter sensitive).
Stuttering acceptance computed with spot in 105 ms :[(NOT p0), (NOT p0), (NOT p0)]
Stuttering acceptance computed with spot in 95 ms :[(NOT p0), (NOT p0), (NOT p0)]
[2023-03-16 16:23:27] [INFO ] Flow matrix only has 18326 transitions (discarded 13027 similar events)
[2023-03-16 16:23:27] [INFO ] Invariant cache hit.
Could not prove EG (NOT 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 71 ms. Remains 627 /627 variables (removed 0) and now considering 31353/31353 (removed 0) transitions.
[2023-03-16 16:23:42] [INFO ] Flow matrix only has 18326 transitions (discarded 13027 similar events)
[2023-03-16 16:23:42] [INFO ] Invariant cache hit.
[2023-03-16 16:23:44] [INFO ] Implicit Places using invariants in 1806 ms returned []
Implicit Place search using SMT only with invariants took 1808 ms to find 0 implicit places.
[2023-03-16 16:23:44] [INFO ] Flow matrix only has 18326 transitions (discarded 13027 similar events)
[2023-03-16 16:23:44] [INFO ] Invariant cache hit.
[2023-03-16 16:23:52] [INFO ] Dead Transitions using invariants and state equation in 8409 ms found 0 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 10291 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 : [(NOT p0), (X (X (NOT p0)))]
False Knowledge obtained : []
Knowledge based reduction with 2 factoid took 84 ms. Reduced automaton from 3 states, 3 edges and 1 AP (stutter sensitive) to 3 states, 3 edges and 1 AP (stutter sensitive).
Stuttering acceptance computed with spot in 99 ms :[(NOT p0), (NOT p0), (NOT p0)]
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 29 ms. (steps per millisecond=344 ) properties (out of 1) seen :0
Interrupted probabilistic random walk after 20297 steps, run timeout after 3002 ms. (steps per millisecond=6 ) properties seen :{}
Probabilistic random walk after 20297 steps, saw 17705 distinct states, run finished after 3002 ms. (steps per millisecond=6 ) properties seen :0
Running SMT prover for 1 properties.
[2023-03-16 16:23:56] [INFO ] Flow matrix only has 18326 transitions (discarded 13027 similar events)
[2023-03-16 16:23:56] [INFO ] Invariant cache hit.
[2023-03-16 16:23:56] [INFO ] [Real]Absence check using 13 positive place invariants in 6 ms returned sat
[2023-03-16 16:24:13] [INFO ] After 16545ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
[2023-03-16 16:24:13] [INFO ] [Nat]Absence check using 13 positive place invariants in 6 ms returned sat
[2023-03-16 16:24:29] [INFO ] After 16066ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
[2023-03-16 16:24:29] [INFO ] State equation strengthened by 829 read => feed constraints.
[2023-03-16 16:24:38] [INFO ] After 8763ms SMT Verify possible using 829 Read/Feed constraints in natural domain returned unsat :0 sat :0
[2023-03-16 16:24:38] [INFO ] After 25043ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :0
Parikh walk visited 0 properties in 7 ms.
Support contains 2 out of 627 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 627/627 places, 31353/31353 transitions.
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 0 with 1 rules applied. Total rules applied 1 place count 626 transition count 31352
Applied a total of 1 rules in 342 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 343 ms. Remains : 626/627 places, 31352/31353 transitions.
Incomplete random walk after 10000 steps, including 2 resets, run finished after 299 ms. (steps per millisecond=33 ) properties (out of 1) seen :0
Finished Best-First random walk after 2228 steps, including 0 resets, run visited all 1 properties in 12 ms. (steps per millisecond=185 )
Knowledge obtained : [(NOT p0), (X (X (NOT p0)))]
False Knowledge obtained : [(F p0)]
Knowledge based reduction with 2 factoid took 100 ms. Reduced automaton from 3 states, 3 edges and 1 AP (stutter sensitive) to 3 states, 3 edges and 1 AP (stutter sensitive).
Stuttering acceptance computed with spot in 104 ms :[(NOT p0), (NOT p0), (NOT p0)]
Stuttering acceptance computed with spot in 111 ms :[(NOT p0), (NOT p0), (NOT p0)]
[2023-03-16 16:24:39] [INFO ] Flow matrix only has 18326 transitions (discarded 13027 similar events)
[2023-03-16 16:24:39] [INFO ] Invariant cache hit.
Could not prove EG (NOT p0)
Stuttering acceptance computed with spot in 96 ms :[(NOT p0), (NOT p0), (NOT p0)]
Product exploration explored 100000 steps with 8 reset in 2762 ms.
Product exploration explored 100000 steps with 6 reset in 2809 ms.
Applying partial POR strategy [true, false, false]
Stuttering acceptance computed with spot in 94 ms :[(NOT p0), (NOT p0), (NOT p0)]
Support contains 2 out of 627 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 627/627 places, 31353/31353 transitions.
Applied a total of 0 rules in 163 ms. Remains 627 /627 variables (removed 0) and now considering 31353/31353 (removed 0) transitions.
[2023-03-16 16:25:00] [INFO ] Flow matrix only has 18326 transitions (discarded 13027 similar events)
[2023-03-16 16:25:00] [INFO ] Invariant cache hit.
[2023-03-16 16:25:08] [INFO ] Dead Transitions using invariants and state equation in 8539 ms found 0 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 8703 ms. Remains : 627/627 places, 31353/31353 transitions.
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 70 ms. Remains 627 /627 variables (removed 0) and now considering 31353/31353 (removed 0) transitions.
[2023-03-16 16:25:09] [INFO ] Flow matrix only has 18326 transitions (discarded 13027 similar events)
[2023-03-16 16:25:09] [INFO ] Invariant cache hit.
[2023-03-16 16:25:10] [INFO ] Implicit Places using invariants in 1779 ms returned []
Implicit Place search using SMT only with invariants took 1780 ms to find 0 implicit places.
[2023-03-16 16:25:10] [INFO ] Flow matrix only has 18326 transitions (discarded 13027 similar events)
[2023-03-16 16:25:10] [INFO ] Invariant cache hit.
[2023-03-16 16:25:19] [INFO ] Dead Transitions using invariants and state equation in 8702 ms found 0 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 10553 ms. Remains : 627/627 places, 31353/31353 transitions.
Treatment of property RERS17pb113-PT-2-LTLFireability-14 finished in 130190 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(((p1 U p2)&&p0))))'
Support contains 6 out of 627 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 627/627 places, 31353/31353 transitions.
Reduce places removed 1 places and 1 transitions.
Applied a total of 0 rules in 274 ms. Remains 626 /627 variables (removed 1) and now considering 31352/31353 (removed 1) transitions.
[2023-03-16 16:25:20] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
// Phase 1: matrix 18325 rows 626 cols
[2023-03-16 16:25:20] [INFO ] Computed 13 place invariants in 48 ms
[2023-03-16 16:25:22] [INFO ] Implicit Places using invariants in 1855 ms returned []
Implicit Place search using SMT only with invariants took 1856 ms to find 0 implicit places.
[2023-03-16 16:25:22] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
[2023-03-16 16:25:22] [INFO ] Invariant cache hit.
[2023-03-16 16:25:31] [INFO ] Dead Transitions using invariants and state equation in 8436 ms found 0 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 10568 ms. Remains : 626/627 places, 31352/31353 transitions.
Stuttering acceptance computed with spot in 88 ms :[(OR (NOT p0) (NOT p2)), (NOT p2)]
Running random walk in product with property : RERS17pb113-PT-2-LTLFireability-15 automaton TGBA Formula[mat=[[{ cond=(OR (AND p2 p0) (AND p0 p1)), acceptance={} source=0 dest: 0}, { cond=(OR (AND (NOT p2) (NOT p1)) (NOT p0)), acceptance={0} source=0 dest: 0}, { cond=(AND (NOT p2) p0 p1), acceptance={0} source=0 dest: 1}], [{ cond=(AND (NOT p2) (NOT p1)), acceptance={0} source=1 dest: 0}, { cond=(AND (NOT p2) p1), acceptance={0} source=1 dest: 1}]], initial=0, aps=[p2:(AND (GEQ s47 1) (GEQ s75 1)), p0:(AND (GEQ s133 1) (GEQ s349 1)), p1:(AND (GEQ s107 1) (GEQ s615 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 2904 ms.
Product exploration explored 100000 steps with 0 reset in 2957 ms.
Computed a total of 0 stabilizing places and 0 stable transitions
Computed a total of 0 stabilizing places and 0 stable transitions
Knowledge obtained : [(AND (NOT p2) (NOT p0) (NOT p1)), (X (NOT (OR (AND p2 p0) (AND p0 p1)))), (X (OR (AND (NOT p2) (NOT p1)) (NOT p0))), (X (NOT (AND (NOT p2) p0 p1))), (X (AND (NOT p2) (NOT p1))), (X (NOT (AND (NOT p2) p1))), (X (X (NOT (OR (AND p2 p0) (AND p0 p1))))), (X (X (OR (AND (NOT p2) (NOT p1)) (NOT p0)))), (X (X (NOT (AND (NOT p2) p0 p1)))), (X (X (AND (NOT p2) (NOT p1)))), (X (X (NOT (AND (NOT p2) p1))))]
False Knowledge obtained : []
Knowledge based reduction with 11 factoid took 411 ms. Reduced automaton from 2 states, 5 edges and 3 AP (stutter insensitive) to 2 states, 5 edges and 3 AP (stutter insensitive).
Stuttering acceptance computed with spot in 81 ms :[(OR (NOT p0) (NOT p2)), (NOT p2)]
Incomplete random walk after 10000 steps, including 2 resets, run finished after 416 ms. (steps per millisecond=24 ) properties (out of 5) seen :1
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 43 ms. (steps per millisecond=232 ) properties (out of 4) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 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 38 ms. (steps per millisecond=263 ) properties (out of 4) seen :0
Running SMT prover for 4 properties.
[2023-03-16 16:25:38] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
[2023-03-16 16:25:38] [INFO ] Invariant cache hit.
[2023-03-16 16:25:38] [INFO ] [Real]Absence check using 13 positive place invariants in 6 ms returned sat
[2023-03-16 16:26:03] [INFO ] After 24888ms SMT Verify possible using state equation in real domain returned unsat :0 sat :2 real:1
[2023-03-16 16:26:03] [INFO ] State equation strengthened by 268 read => feed constraints.
java.lang.RuntimeException: SMT solver raised an error when submitting script. Raised (error "Failed to assert expression: java.io.IOException: Stream close...
at fr.lip6.move.gal.structural.smt.SMTUtils.execAndCheckResult(SMTUtils.java:251)
at fr.lip6.move.gal.structural.smt.DeadlockTester.verifyPossible(DeadlockTester.java:642)
at fr.lip6.move.gal.structural.smt.DeadlockTester.testUnreachableWithSMTIncremental(DeadlockTester.java:339)
at fr.lip6.move.gal.structural.smt.DeadlockTester.testUnreachableWithSMT(DeadlockTester.java:223)
at fr.lip6.move.gal.application.solver.ReachabilitySolver.applyReductions(ReachabilitySolver.java:95)
at fr.lip6.move.gal.application.solver.ltl.LTLPropertySolver.addInvarianceKnowledge(LTLPropertySolver.java:701)
at fr.lip6.move.gal.application.solver.ltl.LTLPropertySolver.applyKnowledgeBasedReductions(LTLPropertySolver.java:568)
at fr.lip6.move.gal.application.solver.ltl.LTLPropertySolver.checkLTLProperty(LTLPropertySolver.java:251)
at fr.lip6.move.gal.application.solver.ltl.LTLPropertySolver.runStutteringLTLTest(LTLPropertySolver.java:225)
at fr.lip6.move.gal.application.solver.ltl.LTLPropertySolver.runStructuralLTLCheck(LTLPropertySolver.java:76)
at fr.lip6.move.gal.application.Application.startNoEx(Application.java:762)
at fr.lip6.move.gal.application.Application.start(Application.java:178)
at fr.lip6.move.gal.itscl.application.Application.start(Application.java:45)
at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:203)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:136)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:104)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:402)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:255)
at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:77)
at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.base/java.lang.reflect.Method.invoke(Method.java:568)
at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:659)
at org.eclipse.equinox.launcher.Main.basicRun(Main.java:596)
at org.eclipse.equinox.launcher.Main.run(Main.java:1467)
at org.eclipse.equinox.launcher.Main.main(Main.java:1440)
[2023-03-16 16:26:03] [WARNING] SMT solver failed with error :SMT solver raised an error when submitting script.... while checking expressions.
[2023-03-16 16:26:03] [INFO ] After 25124ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0
Fused 4 Parikh solutions to 1 different solutions.
Parikh walk visited 0 properties in 0 ms.
Support contains 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 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.
Incomplete random walk after 10000 steps, including 2 resets, run finished after 371 ms. (steps per millisecond=26 ) properties (out of 4) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 40 ms. (steps per millisecond=250 ) properties (out of 4) seen :0
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 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
Interrupted probabilistic random walk after 18383 steps, run timeout after 3002 ms. (steps per millisecond=6 ) properties seen :{}
Probabilistic random walk after 18383 steps, saw 15962 distinct states, run finished after 3002 ms. (steps per millisecond=6 ) properties seen :0
Running SMT prover for 4 properties.
[2023-03-16 16:26:07] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
[2023-03-16 16:26:07] [INFO ] Invariant cache hit.
[2023-03-16 16:26:07] [INFO ] [Real]Absence check using 13 positive place invariants in 7 ms returned sat
[2023-03-16 16:26:31] [INFO ] After 24558ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:4
[2023-03-16 16:26:31] [INFO ] [Nat]Absence check using 13 positive place invariants in 6 ms returned sat
[2023-03-16 16:26:56] [INFO ] After 24898ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :3
[2023-03-16 16:26:56] [INFO ] State equation strengthened by 268 read => feed constraints.
java.lang.RuntimeException: SMT solver raised an error when submitting script. Raised (error "Failed to assert expression: java.io.IOException: Stream close...
at fr.lip6.move.gal.structural.smt.SMTUtils.execAndCheckResult(SMTUtils.java:251)
at fr.lip6.move.gal.structural.smt.DeadlockTester.verifyPossible(DeadlockTester.java:642)
at fr.lip6.move.gal.structural.smt.DeadlockTester.testUnreachableWithSMTIncremental(DeadlockTester.java:350)
at fr.lip6.move.gal.structural.smt.DeadlockTester.testUnreachableWithSMT(DeadlockTester.java:223)
at fr.lip6.move.gal.application.solver.ReachabilitySolver.applyReductions(ReachabilitySolver.java:95)
at fr.lip6.move.gal.application.solver.ltl.LTLPropertySolver.addInvarianceKnowledge(LTLPropertySolver.java:701)
at fr.lip6.move.gal.application.solver.ltl.LTLPropertySolver.applyKnowledgeBasedReductions(LTLPropertySolver.java:568)
at fr.lip6.move.gal.application.solver.ltl.LTLPropertySolver.checkLTLProperty(LTLPropertySolver.java: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 16:26:56] [WARNING] SMT solver failed with error :SMT solver raised an error when submitting script.... while checking expressions.
[2023-03-16 16:26:56] [INFO ] After 25140ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :0 real:4
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 145 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.
Starting structural reductions in REACHABILITY mode, iteration 0 : 626/626 places, 31352/31352 transitions.
Applied a total of 0 rules in 143 ms. Remains 626 /626 variables (removed 0) and now considering 31352/31352 (removed 0) transitions.
[2023-03-16 16:26:57] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
[2023-03-16 16:26:57] [INFO ] Invariant cache hit.
[2023-03-16 16:26:59] [INFO ] Implicit Places using invariants in 1757 ms returned []
Implicit Place search using SMT only with invariants took 1757 ms to find 0 implicit places.
[2023-03-16 16:26:59] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
[2023-03-16 16:26:59] [INFO ] Invariant cache hit.
[2023-03-16 16:27:07] [INFO ] Dead Transitions using invariants and state equation in 8701 ms found 0 transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 10606 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 551 ms. Remains 626 /626 variables (removed 0) and now considering 18325/31352 (removed 13027) transitions.
Running SMT prover for 4 properties.
// Phase 1: matrix 18325 rows 626 cols
[2023-03-16 16:27:08] [INFO ] Computed 13 place invariants in 49 ms
[2023-03-16 16:27:08] [INFO ] [Real]Absence check using 13 positive place invariants in 5 ms returned sat
[2023-03-16 16:27:08] [INFO ] After 158ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:4
[2023-03-16 16:27:08] [INFO ] [Nat]Absence check using 13 positive place invariants in 6 ms returned sat
[2023-03-16 16:27:26] [INFO ] After 18218ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :4
[2023-03-16 16:27:31] [INFO ] After 22684ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :4
Attempting to minimize the solution found.
Minimization took 2303 ms.
[2023-03-16 16:27:33] [INFO ] After 25132ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :4
Knowledge obtained : [(AND (NOT p2) (NOT p0) (NOT p1)), (X (NOT (OR (AND p2 p0) (AND p0 p1)))), (X (OR (AND (NOT p2) (NOT p1)) (NOT p0))), (X (NOT (AND (NOT p2) p0 p1))), (X (AND (NOT p2) (NOT p1))), (X (NOT (AND (NOT p2) p1))), (X (X (NOT (OR (AND p2 p0) (AND p0 p1))))), (X (X (OR (AND (NOT p2) (NOT p1)) (NOT p0)))), (X (X (NOT (AND (NOT p2) p0 p1)))), (X (X (AND (NOT p2) (NOT p1)))), (X (X (NOT (AND (NOT p2) p1))))]
False Knowledge obtained : [(F (NOT (AND (NOT p1) (NOT p2))))]
Knowledge based reduction with 11 factoid took 448 ms. Reduced automaton from 2 states, 5 edges and 3 AP (stutter insensitive) to 2 states, 5 edges and 3 AP (stutter insensitive).
Stuttering acceptance computed with spot in 90 ms :[(OR (NOT p0) (NOT p2)), (NOT p2)]
Stuttering acceptance computed with spot in 88 ms :[(OR (NOT p0) (NOT p2)), (NOT p2)]
[2023-03-16 16:27:34] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
// Phase 1: matrix 18325 rows 626 cols
[2023-03-16 16:27:34] [INFO ] Computed 13 place invariants in 48 ms
Could not prove EG (NOT p0)
[2023-03-16 16:27:49] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
[2023-03-16 16:27:49] [INFO ] Invariant cache hit.
Could not prove EG (NOT p2)
Support contains 6 out of 626 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 626/626 places, 31352/31352 transitions.
Applied a total of 0 rules in 148 ms. Remains 626 /626 variables (removed 0) and now considering 31352/31352 (removed 0) transitions.
[2023-03-16 16:28:04] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
[2023-03-16 16:28:04] [INFO ] Invariant cache hit.
[2023-03-16 16:28:06] [INFO ] Implicit Places using invariants in 1768 ms returned []
Implicit Place search using SMT only with invariants took 1769 ms to find 0 implicit places.
[2023-03-16 16:28:06] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
[2023-03-16 16:28:06] [INFO ] Invariant cache hit.
[2023-03-16 16:28:15] [INFO ] Dead Transitions using invariants and state equation in 8374 ms found 0 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 10293 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) (NOT p2)), (X (NOT (OR (AND p0 p1) (AND p0 p2)))), (X (AND (NOT p1) (NOT p2))), (X (NOT (AND p1 (NOT p2)))), (X (NOT (AND p0 p1 (NOT p2)))), (X (OR (NOT p0) (AND (NOT p1) (NOT p2)))), (X (X (NOT (OR (AND p0 p1) (AND p0 p2))))), (X (X (AND (NOT p1) (NOT p2)))), (X (X (NOT (AND p1 (NOT p2))))), (X (X (NOT (AND p0 p1 (NOT p2))))), (X (X (OR (NOT p0) (AND (NOT p1) (NOT p2)))))]
False Knowledge obtained : []
Knowledge based reduction with 11 factoid took 451 ms. Reduced automaton from 2 states, 5 edges and 3 AP (stutter insensitive) to 2 states, 5 edges and 3 AP (stutter insensitive).
Stuttering acceptance computed with spot in 89 ms :[(OR (NOT p0) (NOT p2)), (NOT p2)]
Incomplete random walk after 10000 steps, including 2 resets, run finished after 349 ms. (steps per millisecond=28 ) properties (out of 5) seen :2
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 36 ms. (steps per millisecond=277 ) properties (out of 3) 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 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
Running SMT prover for 3 properties.
[2023-03-16 16:28:16] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
[2023-03-16 16:28:16] [INFO ] Invariant cache hit.
[2023-03-16 16:28:16] [INFO ] [Real]Absence check using 13 positive place invariants in 6 ms returned sat
[2023-03-16 16:28:40] [INFO ] After 23907ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:3
[2023-03-16 16:28:40] [INFO ] [Nat]Absence check using 13 positive place invariants in 6 ms returned sat
[2023-03-16 16:29:04] [INFO ] After 24577ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :3
[2023-03-16 16:29:04] [INFO ] State equation strengthened by 268 read => feed constraints.
java.lang.RuntimeException: SMT solver raised an error when submitting script. Raised (error "Failed to assert expression: java.io.IOException: Broken pipe ...
at fr.lip6.move.gal.structural.smt.SMTUtils.execAndCheckResult(SMTUtils.java:251)
at fr.lip6.move.gal.structural.smt.DeadlockTester.verifyPossible(DeadlockTester.java:642)
at fr.lip6.move.gal.structural.smt.DeadlockTester.testUnreachableWithSMTIncremental(DeadlockTester.java:350)
at fr.lip6.move.gal.structural.smt.DeadlockTester.testUnreachableWithSMT(DeadlockTester.java:223)
at fr.lip6.move.gal.application.solver.ReachabilitySolver.applyReductions(ReachabilitySolver.java:95)
at fr.lip6.move.gal.application.solver.ltl.LTLPropertySolver.addInvarianceKnowledge(LTLPropertySolver.java:701)
at fr.lip6.move.gal.application.solver.ltl.LTLPropertySolver.applyKnowledgeBasedReductions(LTLPropertySolver.java:568)
at fr.lip6.move.gal.application.solver.ltl.LTLPropertySolver.checkLTLProperty(LTLPropertySolver.java:261)
at fr.lip6.move.gal.application.solver.ltl.LTLPropertySolver.runStutteringLTLTest(LTLPropertySolver.java:225)
at fr.lip6.move.gal.application.solver.ltl.LTLPropertySolver.runStructuralLTLCheck(LTLPropertySolver.java:76)
at fr.lip6.move.gal.application.Application.startNoEx(Application.java:762)
at fr.lip6.move.gal.application.Application.start(Application.java:178)
at fr.lip6.move.gal.itscl.application.Application.start(Application.java:45)
at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:203)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:136)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:104)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:402)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:255)
at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:77)
at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.base/java.lang.reflect.Method.invoke(Method.java:568)
at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:659)
at org.eclipse.equinox.launcher.Main.basicRun(Main.java:596)
at org.eclipse.equinox.launcher.Main.run(Main.java:1467)
at org.eclipse.equinox.launcher.Main.main(Main.java:1440)
[2023-03-16 16:29:05] [WARNING] SMT solver failed with error :SMT solver raised an error when submitting script.... while checking expressions.
[2023-03-16 16:29:05] [INFO ] After 25036ms 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 145 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 355 ms. (steps per millisecond=28 ) properties (out of 3) 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 3) 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 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
Interrupted probabilistic random walk after 18097 steps, run timeout after 3001 ms. (steps per millisecond=6 ) properties seen :{}
Probabilistic random walk after 18097 steps, saw 15710 distinct states, run finished after 3001 ms. (steps per millisecond=6 ) properties seen :0
Running SMT prover for 3 properties.
[2023-03-16 16:29:08] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
[2023-03-16 16:29:08] [INFO ] Invariant cache hit.
[2023-03-16 16:29:09] [INFO ] [Real]Absence check using 13 positive place invariants in 8 ms returned sat
[2023-03-16 16:29:33] [INFO ] After 24083ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:3
[2023-03-16 16:29:33] [INFO ] [Nat]Absence check using 13 positive place invariants in 6 ms returned sat
[2023-03-16 16:29:58] [INFO ] After 24952ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :3
[2023-03-16 16:29:58] [INFO ] State equation strengthened by 268 read => feed constraints.
java.lang.RuntimeException: SMT solver raised an error when submitting script. Raised (error "Failed to assert expression: java.io.IOException: Stream close...
at fr.lip6.move.gal.structural.smt.SMTUtils.execAndCheckResult(SMTUtils.java:251)
at fr.lip6.move.gal.structural.smt.DeadlockTester.verifyPossible(DeadlockTester.java:642)
at fr.lip6.move.gal.structural.smt.DeadlockTester.testUnreachableWithSMTIncremental(DeadlockTester.java:350)
at fr.lip6.move.gal.structural.smt.DeadlockTester.testUnreachableWithSMT(DeadlockTester.java:223)
at fr.lip6.move.gal.application.solver.ReachabilitySolver.applyReductions(ReachabilitySolver.java:95)
at fr.lip6.move.gal.application.solver.ltl.LTLPropertySolver.addInvarianceKnowledge(LTLPropertySolver.java:701)
at fr.lip6.move.gal.application.solver.ltl.LTLPropertySolver.applyKnowledgeBasedReductions(LTLPropertySolver.java:568)
at fr.lip6.move.gal.application.solver.ltl.LTLPropertySolver.checkLTLProperty(LTLPropertySolver.java:261)
at fr.lip6.move.gal.application.solver.ltl.LTLPropertySolver.runStutteringLTLTest(LTLPropertySolver.java:225)
at fr.lip6.move.gal.application.solver.ltl.LTLPropertySolver.runStructuralLTLCheck(LTLPropertySolver.java:76)
at fr.lip6.move.gal.application.Application.startNoEx(Application.java:762)
at fr.lip6.move.gal.application.Application.start(Application.java:178)
at fr.lip6.move.gal.itscl.application.Application.start(Application.java:45)
at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:203)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:136)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:104)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:402)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:255)
at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:77)
at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.base/java.lang.reflect.Method.invoke(Method.java:568)
at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:659)
at org.eclipse.equinox.launcher.Main.basicRun(Main.java:596)
at org.eclipse.equinox.launcher.Main.run(Main.java:1467)
at org.eclipse.equinox.launcher.Main.main(Main.java:1440)
[2023-03-16 16:29:58] [WARNING] SMT solver failed with error :SMT solver raised an error when submitting script.... while checking expressions.
[2023-03-16 16:29:58] [INFO ] After 25190ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :0 real:3
Parikh walk visited 0 properties in 8 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 148 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 149 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 16:29:58] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
[2023-03-16 16:29:58] [INFO ] Invariant cache hit.
[2023-03-16 16:30:00] [INFO ] Implicit Places using invariants in 1713 ms returned []
Implicit Place search using SMT only with invariants took 1714 ms to find 0 implicit places.
[2023-03-16 16:30:00] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
[2023-03-16 16:30:00] [INFO ] Invariant cache hit.
[2023-03-16 16:30:08] [INFO ] Dead Transitions using invariants and state equation in 8470 ms found 0 transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 10337 ms. Remains : 626/626 places, 31352/31352 transitions.
Knowledge obtained : [(AND (NOT p0) (NOT p1) (NOT p2)), (X (NOT (OR (AND p0 p1) (AND p0 p2)))), (X (AND (NOT p1) (NOT p2))), (X (NOT (AND p1 (NOT p2)))), (X (NOT (AND p0 p1 (NOT p2)))), (X (OR (NOT p0) (AND (NOT p1) (NOT p2)))), (X (X (NOT (OR (AND p0 p1) (AND p0 p2))))), (X (X (AND (NOT p1) (NOT p2)))), (X (X (NOT (AND p1 (NOT p2))))), (X (X (NOT (AND p0 p1 (NOT p2))))), (X (X (OR (NOT p0) (AND (NOT p1) (NOT p2)))))]
False Knowledge obtained : [(F (AND p1 (NOT p2))), (F (NOT (AND (NOT p1) (NOT p2))))]
Knowledge based reduction with 11 factoid took 524 ms. Reduced automaton from 2 states, 5 edges and 3 AP (stutter insensitive) to 2 states, 5 edges and 3 AP (stutter insensitive).
Stuttering acceptance computed with spot in 82 ms :[(OR (NOT p0) (NOT p2)), (NOT p2)]
Stuttering acceptance computed with spot in 77 ms :[(OR (NOT p0) (NOT p2)), (NOT p2)]
[2023-03-16 16:30:09] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
[2023-03-16 16:30:09] [INFO ] Invariant cache hit.
Could not prove EG (NOT p0)
[2023-03-16 16:30:24] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
[2023-03-16 16:30:24] [INFO ] Invariant cache hit.
Could not prove EG (NOT p2)
Stuttering acceptance computed with spot in 76 ms :[(OR (NOT p0) (NOT p2)), (NOT p2)]
Product exploration explored 100000 steps with 0 reset in 2723 ms.
Product exploration explored 100000 steps with 0 reset in 2798 ms.
Support contains 6 out of 626 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 626/626 places, 31352/31352 transitions.
Applied a total of 0 rules in 147 ms. Remains 626 /626 variables (removed 0) and now considering 31352/31352 (removed 0) transitions.
[2023-03-16 16:30:45] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
[2023-03-16 16:30:45] [INFO ] Invariant cache hit.
[2023-03-16 16:30:47] [INFO ] Implicit Places using invariants in 1765 ms returned []
Implicit Place search using SMT only with invariants took 1766 ms to find 0 implicit places.
[2023-03-16 16:30:47] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
[2023-03-16 16:30:47] [INFO ] Invariant cache hit.
[2023-03-16 16:30:56] [INFO ] Dead Transitions using invariants and state equation in 8970 ms found 0 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 10884 ms. Remains : 626/626 places, 31352/31352 transitions.
Treatment of property RERS17pb113-PT-2-LTLFireability-15 finished in 336621 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(p0)&&F((p1||G(p2))))))'
Found a Shortening insensitive property : RERS17pb113-PT-2-LTLFireability-01
Stuttering acceptance computed with spot in 123 ms :[(OR (NOT p0) (AND (NOT p1) (NOT p2))), (NOT p0), (AND (NOT p1) (NOT p2))]
Support contains 6 out of 627 places. Attempting structural reductions.
Starting structural reductions in LI_LTL mode, iteration 0 : 627/627 places, 31353/31353 transitions.
Reduce places removed 1 places and 1 transitions.
Applied a total of 0 rules in 169 ms. Remains 626 /627 variables (removed 1) and now considering 31352/31353 (removed 1) transitions.
[2023-03-16 16:30:57] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
[2023-03-16 16:30:57] [INFO ] Invariant cache hit.
[2023-03-16 16:30:59] [INFO ] Implicit Places using invariants in 1766 ms returned []
Implicit Place search using SMT only with invariants took 1767 ms to find 0 implicit places.
[2023-03-16 16:30:59] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
[2023-03-16 16:30:59] [INFO ] Invariant cache hit.
[2023-03-16 16:31:07] [INFO ] Dead Transitions using invariants and state equation in 8348 ms found 0 transitions.
Finished structural reductions in LI_LTL mode , in 1 iterations and 10284 ms. Remains : 626/627 places, 31352/31353 transitions.
Running random walk in product with property : RERS17pb113-PT-2-LTLFireability-01 automaton TGBA Formula[mat=[[{ cond=true, acceptance={} source=0 dest: 1}, { cond=(NOT p1), acceptance={} source=0 dest: 2}], [{ cond=(NOT p0), acceptance={0} source=1 dest: 1}, { cond=(AND (NOT p1) (NOT p0)), acceptance={} source=1 dest: 2}], [{ cond=(AND (NOT p1) p2), acceptance={} source=2 dest: 2}, { cond=(AND (NOT p1) (NOT p2)), acceptance={0} source=2 dest: 2}]], initial=0, aps=[p1:(AND (GEQ s0 1) (GEQ s151 1)), p0:(AND (GEQ s412 1) (GEQ s476 1)), p2:(AND (GEQ s284 1) (GEQ s348 1))], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, no-univ-branch, stutter-sensitive, cl-invariant], stateDesc=[null, null, null][false, false, false]]
Product exploration explored 100000 steps with 0 reset in 2897 ms.
Product exploration explored 100000 steps with 1 reset in 2867 ms.
Computed a total of 0 stabilizing places and 0 stable transitions
Computed a total of 0 stabilizing places and 0 stable transitions
Knowledge obtained : [(AND (NOT p1) (NOT p0) (NOT p2)), (X (NOT (AND (NOT p1) p2))), (X (AND (NOT p1) (NOT p2))), (X (NOT p0)), (X (AND (NOT p1) (NOT p0))), (X (X (NOT (AND (NOT p1) p2)))), (X (X (AND (NOT p1) (NOT p2)))), (X (X (NOT p0))), (X (X (AND (NOT p1) (NOT p0))))]
False Knowledge obtained : []
Knowledge based reduction with 9 factoid took 331 ms. Reduced automaton from 3 states, 6 edges and 3 AP (stutter sensitive) to 3 states, 6 edges and 3 AP (stutter sensitive).
Stuttering acceptance computed with spot in 96 ms :[(OR (NOT p0) (AND (NOT p1) (NOT p2))), (NOT p0), (AND (NOT p1) (NOT p2))]
Incomplete random walk after 10000 steps, including 2 resets, run finished after 343 ms. (steps per millisecond=29 ) properties (out of 4) seen :2
Incomplete Best-First random walk after 10000 steps, including 2 resets, run finished after 33 ms. (steps per millisecond=303 ) properties (out of 2) 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 2) seen :0
Running SMT prover for 2 properties.
[2023-03-16 16:31:14] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
[2023-03-16 16:31:14] [INFO ] Invariant cache hit.
[2023-03-16 16:31:14] [INFO ] [Real]Absence check using 13 positive place invariants in 6 ms returned sat
[2023-03-16 16:31:14] [INFO ] After 109ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:2
[2023-03-16 16:31:14] [INFO ] [Nat]Absence check using 13 positive place invariants in 8 ms returned sat
[2023-03-16 16:31:30] [INFO ] After 15837ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :2
[2023-03-16 16:31:30] [INFO ] State equation strengthened by 268 read => feed constraints.
[2023-03-16 16:31:38] [INFO ] After 8398ms SMT Verify possible using 268 Read/Feed constraints in natural domain returned unsat :0 sat :2
[2023-03-16 16:31:40] [INFO ] Deduced a trap composed of 24 places in 780 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 16:31:40] [WARNING] SMT solver failed with error :SMT solver raised an error when submitting script.... while checking expressions.
[2023-03-16 16:31:40] [INFO ] After 25850ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :0 real: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 145 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 145 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 2) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 32 ms. (steps per millisecond=312 ) properties (out of 2) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 31 ms. (steps per millisecond=322 ) properties (out of 2) seen :1
Running SMT prover for 1 properties.
[2023-03-16 16:31:40] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
[2023-03-16 16:31:40] [INFO ] Invariant cache hit.
[2023-03-16 16:31:41] [INFO ] [Real]Absence check using 13 positive place invariants in 5 ms returned sat
[2023-03-16 16:31:58] [INFO ] After 17164ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
[2023-03-16 16:31:58] [INFO ] [Nat]Absence check using 13 positive place invariants in 5 ms returned sat
[2023-03-16 16:32:12] [INFO ] After 14689ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
[2023-03-16 16:32:13] [INFO ] State equation strengthened by 268 read => feed constraints.
[2023-03-16 16:32:20] [INFO ] After 6849ms SMT Verify possible using 268 Read/Feed constraints in natural domain returned unsat :0 sat :1
[2023-03-16 16:32:21] [INFO ] Deduced a trap composed of 40 places in 359 ms of which 5 ms to minimize.
[2023-03-16 16:32:21] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 1117 ms
[2023-03-16 16:32:22] [INFO ] After 8858ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
Attempting to minimize the solution found.
Minimization took 873 ms.
[2023-03-16 16:32:22] [INFO ] After 24720ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
Parikh walk visited 0 properties in 4 ms.
Support contains 4 out of 626 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 626/626 places, 31352/31352 transitions.
Applied a total of 0 rules in 149 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 149 ms. Remains : 626/626 places, 31352/31352 transitions.
Incomplete random walk after 10000 steps, including 2 resets, run finished after 261 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 28 ms. (steps per millisecond=357 ) properties (out of 1) seen :0
Interrupted probabilistic random walk after 19590 steps, run timeout after 3001 ms. (steps per millisecond=6 ) properties seen :{}
Probabilistic random walk after 19590 steps, saw 16996 distinct states, run finished after 3001 ms. (steps per millisecond=6 ) properties seen :0
Running SMT prover for 1 properties.
[2023-03-16 16:32:26] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
[2023-03-16 16:32:26] [INFO ] Invariant cache hit.
[2023-03-16 16:32:26] [INFO ] [Real]Absence check using 13 positive place invariants in 6 ms returned sat
[2023-03-16 16:32:44] [INFO ] After 17968ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
[2023-03-16 16:32:44] [INFO ] [Nat]Absence check using 13 positive place invariants in 5 ms returned sat
[2023-03-16 16:32:59] [INFO ] After 15100ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
[2023-03-16 16:32:59] [INFO ] State equation strengthened by 268 read => feed constraints.
[2023-03-16 16:33:06] [INFO ] After 6943ms SMT Verify possible using 268 Read/Feed constraints in natural domain returned unsat :0 sat :1
[2023-03-16 16:33:07] [INFO ] Deduced a trap composed of 40 places in 349 ms of which 0 ms to minimize.
[2023-03-16 16:33:08] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 1137 ms
[2023-03-16 16:33:08] [INFO ] After 8995ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
Attempting to minimize the solution found.
Minimization took 760 ms.
[2023-03-16 16:33:09] [INFO ] After 25036ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
Parikh walk visited 0 properties in 0 ms.
Support contains 4 out of 626 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 626/626 places, 31352/31352 transitions.
Applied a total of 0 rules in 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 149 ms. Remains 626 /626 variables (removed 0) and now considering 31352/31352 (removed 0) transitions.
[2023-03-16 16:33:09] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
[2023-03-16 16:33:09] [INFO ] Invariant cache hit.
[2023-03-16 16:33:11] [INFO ] Implicit Places using invariants in 1787 ms returned []
Implicit Place search using SMT only with invariants took 1787 ms to find 0 implicit places.
[2023-03-16 16:33:11] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
[2023-03-16 16:33:11] [INFO ] Invariant cache hit.
[2023-03-16 16:33:20] [INFO ] Dead Transitions using invariants and state equation in 8686 ms found 0 transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 10624 ms. Remains : 626/626 places, 31352/31352 transitions.
Knowledge obtained : [(AND (NOT p1) (NOT p0) (NOT p2)), (X (NOT (AND (NOT p1) p2))), (X (AND (NOT p1) (NOT p2))), (X (NOT p0)), (X (AND (NOT p1) (NOT p0))), (X (X (NOT (AND (NOT p1) p2)))), (X (X (AND (NOT p1) (NOT p2)))), (X (X (NOT p0))), (X (X (AND (NOT p1) (NOT p0))))]
False Knowledge obtained : [(F (NOT (AND (NOT p2) (NOT p1)))), (F p0), (F (NOT (AND (NOT p0) (NOT p1))))]
Knowledge based reduction with 9 factoid took 343 ms. Reduced automaton from 3 states, 6 edges and 3 AP (stutter sensitive) to 3 states, 6 edges and 3 AP (stutter sensitive).
Stuttering acceptance computed with spot in 93 ms :[(OR (NOT p0) (AND (NOT p1) (NOT p2))), (NOT p0), (AND (NOT p1) (NOT p2))]
Stuttering acceptance computed with spot in 100 ms :[(OR (NOT p0) (AND (NOT p1) (NOT p2))), (NOT p0), (AND (NOT p1) (NOT p2))]
[2023-03-16 16:33:20] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
[2023-03-16 16:33:20] [INFO ] Invariant cache hit.
Could not prove EG (NOT p0)
[2023-03-16 16:33:35] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
[2023-03-16 16:33:35] [INFO ] Invariant cache hit.
Could not prove EG (AND (NOT p1) (NOT p2))
Support contains 6 out of 626 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 626/626 places, 31352/31352 transitions.
Applied a total of 0 rules in 65 ms. Remains 626 /626 variables (removed 0) and now considering 31352/31352 (removed 0) transitions.
[2023-03-16 16:33:51] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
[2023-03-16 16:33:51] [INFO ] Invariant cache hit.
[2023-03-16 16:33:52] [INFO ] Implicit Places using invariants in 1809 ms returned []
Implicit Place search using SMT only with invariants took 1810 ms to find 0 implicit places.
[2023-03-16 16:33:52] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
[2023-03-16 16:33:52] [INFO ] Invariant cache hit.
[2023-03-16 16:34:01] [INFO ] Dead Transitions using invariants and state equation in 8379 ms found 0 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 10258 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) (NOT p2)), (X (AND (NOT p0) (NOT p1))), (X (NOT p0)), (X (NOT (AND p2 (NOT p1)))), (X (AND (NOT p2) (NOT p1))), (X (X (AND (NOT p0) (NOT p1)))), (X (X (NOT p0))), (X (X (NOT (AND p2 (NOT p1))))), (X (X (AND (NOT p2) (NOT p1))))]
False Knowledge obtained : []
Knowledge based reduction with 9 factoid took 329 ms. Reduced automaton from 3 states, 6 edges and 3 AP (stutter sensitive) to 3 states, 6 edges and 3 AP (stutter sensitive).
Stuttering acceptance computed with spot in 129 ms :[(OR (NOT p0) (AND (NOT p1) (NOT p2))), (NOT p0), (AND (NOT p1) (NOT p2))]
Incomplete random walk after 10000 steps, including 2 resets, run finished after 480 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 42 ms. (steps per millisecond=238 ) properties (out of 4) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 47 ms. (steps per millisecond=212 ) properties (out of 4) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 48 ms. (steps per millisecond=208 ) properties (out of 4) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 48 ms. (steps per millisecond=208 ) properties (out of 4) seen :0
Interrupted probabilistic random walk after 17123 steps, run timeout after 3001 ms. (steps per millisecond=5 ) properties seen :{}
Probabilistic random walk after 17123 steps, saw 14878 distinct states, run finished after 3003 ms. (steps per millisecond=5 ) properties seen :0
Running SMT prover for 4 properties.
[2023-03-16 16:34:05] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
[2023-03-16 16:34:05] [INFO ] Invariant cache hit.
[2023-03-16 16:34:05] [INFO ] [Real]Absence check using 13 positive place invariants in 7 ms returned sat
[2023-03-16 16:34:05] [INFO ] After 141ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:4
[2023-03-16 16:34:05] [INFO ] [Nat]Absence check using 13 positive place invariants in 6 ms returned sat
[2023-03-16 16:34:27] [INFO ] After 21476ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :4
[2023-03-16 16:34:27] [INFO ] State equation strengthened by 268 read => feed constraints.
[2023-03-16 16:34:30] [INFO ] After 3330ms SMT Verify possible using 268 Read/Feed constraints in natural domain returned unsat :0 sat :3
[2023-03-16 16:34:30] [INFO ] After 3330ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :3
Attempting to minimize the solution found.
Minimization took 4 ms.
[2023-03-16 16:34:30] [INFO ] After 25041ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :3
Parikh walk visited 0 properties in 19 ms.
Support contains 6 out of 626 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 626/626 places, 31352/31352 transitions.
Applied a total of 0 rules in 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 437 ms. (steps per millisecond=22 ) properties (out of 4) seen :2
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 36 ms. (steps per millisecond=277 ) properties (out of 2) 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 2) seen :0
Running SMT prover for 2 properties.
[2023-03-16 16:34:31] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
[2023-03-16 16:34:31] [INFO ] Invariant cache hit.
[2023-03-16 16:34:31] [INFO ] [Real]Absence check using 13 positive place invariants in 5 ms returned sat
[2023-03-16 16:34:31] [INFO ] After 104ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:2
[2023-03-16 16:34:31] [INFO ] [Nat]Absence check using 13 positive place invariants in 6 ms returned sat
[2023-03-16 16:34:45] [INFO ] After 13676ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :2
[2023-03-16 16:34:45] [INFO ] State equation strengthened by 268 read => feed constraints.
[2023-03-16 16:34:53] [INFO ] After 7506ms SMT Verify possible using 268 Read/Feed constraints in natural domain returned unsat :0 sat :2
[2023-03-16 16:34:54] [INFO ] Deduced a trap composed of 40 places in 1120 ms of which 0 ms to minimize.
[2023-03-16 16:34:56] [INFO ] Deduced a trap composed of 64 places in 1073 ms of which 1 ms to minimize.
[2023-03-16 16:34:57] [INFO ] Deduced a trap composed of 64 places in 924 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.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 16:34:57] [WARNING] SMT solver failed with error :SMT solver raised an error when submitting script.... while checking expressions.
[2023-03-16 16:34:57] [INFO ] After 25780ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :0 real:2
Parikh walk visited 0 properties in 8 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 180 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 180 ms. Remains : 626/626 places, 31352/31352 transitions.
Incomplete random walk after 10000 steps, including 2 resets, run finished after 459 ms. (steps per millisecond=21 ) properties (out of 2) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 42 ms. (steps per millisecond=238 ) properties (out of 2) 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 2) seen :0
Interrupted probabilistic random walk after 17962 steps, run timeout after 3001 ms. (steps per millisecond=5 ) properties seen :{}
Probabilistic random walk after 17962 steps, saw 15596 distinct states, run finished after 3001 ms. (steps per millisecond=5 ) properties seen :0
Running SMT prover for 2 properties.
[2023-03-16 16:35:01] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
[2023-03-16 16:35:01] [INFO ] Invariant cache hit.
[2023-03-16 16:35:01] [INFO ] [Real]Absence check using 13 positive place invariants in 7 ms returned sat
[2023-03-16 16:35:01] [INFO ] After 141ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:2
[2023-03-16 16:35:01] [INFO ] [Nat]Absence check using 13 positive place invariants in 8 ms returned sat
[2023-03-16 16:35:17] [INFO ] After 15688ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :2
[2023-03-16 16:35:17] [INFO ] State equation strengthened by 268 read => feed constraints.
[2023-03-16 16:35:25] [INFO ] After 7720ms SMT Verify possible using 268 Read/Feed constraints in natural domain returned unsat :0 sat :2
[2023-03-16 16:35:26] [INFO ] Deduced a trap composed of 40 places in 1250 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.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 16:35:26] [WARNING] SMT solver failed with error :SMT solver raised an error when submitting script.... while checking expressions.
[2023-03-16 16:35:26] [INFO ] After 25553ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :0 real: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 152 ms. Remains 626 /626 variables (removed 0) and now considering 31352/31352 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 152 ms. Remains : 626/626 places, 31352/31352 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 626/626 places, 31352/31352 transitions.
Applied a total of 0 rules in 160 ms. Remains 626 /626 variables (removed 0) and now considering 31352/31352 (removed 0) transitions.
[2023-03-16 16:35:27] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
[2023-03-16 16:35:27] [INFO ] Invariant cache hit.
[2023-03-16 16:35:29] [INFO ] Implicit Places using invariants in 1865 ms returned []
Implicit Place search using SMT only with invariants took 1865 ms to find 0 implicit places.
[2023-03-16 16:35:29] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
[2023-03-16 16:35:29] [INFO ] Invariant cache hit.
[2023-03-16 16:35:37] [INFO ] Dead Transitions using invariants and state equation in 8745 ms found 0 transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 10775 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 538 ms. Remains 626 /626 variables (removed 0) and now considering 18325/31352 (removed 13027) transitions.
Running SMT prover for 2 properties.
// Phase 1: matrix 18325 rows 626 cols
[2023-03-16 16:35:38] [INFO ] Computed 13 place invariants in 46 ms
[2023-03-16 16:35:38] [INFO ] [Real]Absence check using 13 positive place invariants in 6 ms returned sat
[2023-03-16 16:35:38] [INFO ] After 103ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:2
[2023-03-16 16:35:38] [INFO ] [Nat]Absence check using 13 positive place invariants in 6 ms returned sat
[2023-03-16 16:35:58] [INFO ] After 19330ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :2
[2023-03-16 16:35:59] [INFO ] After 20984ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :2
Attempting to minimize the solution found.
Minimization took 1642 ms.
[2023-03-16 16:36:01] [INFO ] After 22750ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :2
Knowledge obtained : [(AND (NOT p0) (NOT p1) (NOT p2)), (X (AND (NOT p0) (NOT p1))), (X (NOT p0)), (X (NOT (AND p2 (NOT p1)))), (X (AND (NOT p2) (NOT p1))), (X (X (AND (NOT p0) (NOT p1)))), (X (X (NOT p0))), (X (X (NOT (AND p2 (NOT p1))))), (X (X (AND (NOT p2) (NOT p1))))]
False Knowledge obtained : [(F p0), (F (NOT (AND (NOT p0) (NOT p1))))]
Knowledge based reduction with 9 factoid took 384 ms. Reduced automaton from 3 states, 6 edges and 3 AP (stutter sensitive) to 3 states, 6 edges and 3 AP (stutter sensitive).
Stuttering acceptance computed with spot in 123 ms :[(OR (NOT p0) (AND (NOT p1) (NOT p2))), (NOT p0), (AND (NOT p1) (NOT p2))]
Stuttering acceptance computed with spot in 137 ms :[(OR (NOT p0) (AND (NOT p1) (NOT p2))), (NOT p0), (AND (NOT p1) (NOT p2))]
[2023-03-16 16:36:02] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
// Phase 1: matrix 18325 rows 626 cols
[2023-03-16 16:36:02] [INFO ] Computed 13 place invariants in 47 ms
Could not prove EG (NOT p0)
[2023-03-16 16:36:17] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
[2023-03-16 16:36:17] [INFO ] Invariant cache hit.
Could not prove EG (AND (NOT p1) (NOT p2))
Stuttering acceptance computed with spot in 132 ms :[(OR (NOT p0) (AND (NOT p1) (NOT p2))), (NOT p0), (AND (NOT p1) (NOT p2))]
Product exploration explored 100000 steps with 1 reset in 2833 ms.
Product exploration explored 100000 steps with 2 reset in 2782 ms.
Applying partial POR strategy [false, true, true]
Stuttering acceptance computed with spot in 115 ms :[(OR (NOT p0) (AND (NOT p1) (NOT p2))), (NOT p0), (AND (NOT p1) (NOT p2))]
Support contains 6 out of 626 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 626/626 places, 31352/31352 transitions.
Applied a total of 0 rules in 144 ms. Remains 626 /626 variables (removed 0) and now considering 31352/31352 (removed 0) transitions.
[2023-03-16 16:36:38] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
[2023-03-16 16:36:38] [INFO ] Invariant cache hit.
[2023-03-16 16:36:47] [INFO ] Dead Transitions using invariants and state equation in 8512 ms found 0 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 8657 ms. Remains : 626/626 places, 31352/31352 transitions.
Support contains 6 out of 626 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 626/626 places, 31352/31352 transitions.
Applied a total of 0 rules in 66 ms. Remains 626 /626 variables (removed 0) and now considering 31352/31352 (removed 0) transitions.
[2023-03-16 16:36:47] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
[2023-03-16 16:36:47] [INFO ] Invariant cache hit.
[2023-03-16 16:36:48] [INFO ] Implicit Places using invariants in 1793 ms returned []
Implicit Place search using SMT only with invariants took 1794 ms to find 0 implicit places.
[2023-03-16 16:36:48] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
[2023-03-16 16:36:48] [INFO ] Invariant cache hit.
[2023-03-16 16:36:57] [INFO ] Dead Transitions using invariants and state equation in 8694 ms found 0 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 10554 ms. Remains : 626/626 places, 31352/31352 transitions.
Treatment of property RERS17pb113-PT-2-LTLFireability-01 finished in 361527 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202303021504/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(!((X(G(X(X(p0)))) U X(p1)) U X(p2))))'
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202303021504/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(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((G(p0)&&(G(F(!p0))||G(p1)))))'
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202303021504/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(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' '!((G(p0)||X(F(p1))))'
Found a Shortening insensitive property : RERS17pb113-PT-2-LTLFireability-09
Stuttering acceptance computed with spot in 98 ms :[(NOT p1), (AND (NOT p1) (NOT p0)), (AND (NOT p1) (NOT p0))]
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 158 ms. Remains 626 /627 variables (removed 1) and now considering 31352/31353 (removed 1) transitions.
[2023-03-16 16:36:59] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
[2023-03-16 16:36:59] [INFO ] Invariant cache hit.
[2023-03-16 16:37:01] [INFO ] Implicit Places using invariants in 1792 ms returned []
Implicit Place search using SMT only with invariants took 1792 ms to find 0 implicit places.
[2023-03-16 16:37:01] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
[2023-03-16 16:37:01] [INFO ] Invariant cache hit.
[2023-03-16 16:37:09] [INFO ] Dead Transitions using invariants and state equation in 8371 ms found 0 transitions.
Finished structural reductions in LI_LTL mode , in 1 iterations and 10323 ms. Remains : 626/627 places, 31352/31353 transitions.
Running random walk in product with property : RERS17pb113-PT-2-LTLFireability-09 automaton TGBA Formula[mat=[[{ cond=(NOT p1), acceptance={0} source=0 dest: 0}], [{ cond=(NOT p0), acceptance={} source=1 dest: 0}, { cond=p0, acceptance={} source=1 dest: 2}], [{ cond=(AND (NOT p0) (NOT p1)), acceptance={} source=2 dest: 0}, { cond=(AND p0 (NOT p1)), acceptance={} source=2 dest: 2}]], initial=1, aps=[p1:(AND (GEQ s382 1) (GEQ s613 1)), p0:(OR (LT s55 1) (LT s474 1))], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, deterministic, no-univ-branch, unambiguous, semi-deterministic, stutter-sensitive, very-weak, weak, inherently-weak, cl-invariant], stateDesc=[null, null, null][false, false, false]]
Product exploration explored 100000 steps with 3 reset in 2629 ms.
Product exploration explored 100000 steps with 1 reset in 2702 ms.
Computed a total of 0 stabilizing places and 0 stable transitions
Computed a total of 0 stabilizing places and 0 stable transitions
Knowledge obtained : [(AND (NOT p1) p0), (X (NOT (AND (NOT p0) (NOT p1)))), (X (AND p0 (NOT p1))), (X (NOT p1)), (X (X (NOT (AND (NOT p0) (NOT p1))))), (X (X (AND p0 (NOT p1)))), (X (X (NOT p1)))]
False Knowledge obtained : []
Knowledge based reduction with 7 factoid took 247 ms. Reduced automaton from 3 states, 5 edges and 2 AP (stutter sensitive) to 3 states, 4 edges and 2 AP (stutter sensitive).
Stuttering acceptance computed with spot in 99 ms :[(NOT p1), (AND (NOT p1) (NOT p0)), (AND (NOT p1) (NOT p0))]
Incomplete random walk after 10000 steps, including 2 resets, run finished after 327 ms. (steps per millisecond=30 ) properties (out of 3) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 32 ms. (steps per millisecond=312 ) 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 33 ms. (steps per millisecond=303 ) properties (out of 3) seen :0
Interrupted probabilistic random walk after 17764 steps, run timeout after 3002 ms. (steps per millisecond=5 ) properties seen :{}
Probabilistic random walk after 17764 steps, saw 15432 distinct states, run finished after 3002 ms. (steps per millisecond=5 ) properties seen :0
Running SMT prover for 3 properties.
[2023-03-16 16:37:18] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
[2023-03-16 16:37:18] [INFO ] Invariant cache hit.
[2023-03-16 16:37:18] [INFO ] [Real]Absence check using 13 positive place invariants in 7 ms returned sat
[2023-03-16 16:37:33] [INFO ] After 14226ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:3
[2023-03-16 16:37:33] [INFO ] [Nat]Absence check using 13 positive place invariants in 5 ms returned sat
[2023-03-16 16:37:49] [INFO ] After 16724ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :3
[2023-03-16 16:37:49] [INFO ] State equation strengthened by 268 read => feed constraints.
[2023-03-16 16:37:58] [INFO ] After 8048ms SMT Verify possible using 268 Read/Feed constraints in natural domain returned unsat :0 sat :3
[2023-03-16 16:37:58] [INFO ] After 8101ms 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 16:37:58] [INFO ] After 25043ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :2
Parikh walk visited 0 properties in 16 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 152 ms. Remains : 626/626 places, 31352/31352 transitions.
Incomplete random walk after 10000 steps, including 2 resets, run finished after 446 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 40 ms. (steps per millisecond=250 ) properties (out of 3) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 43 ms. (steps per millisecond=232 ) properties (out of 3) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 42 ms. (steps per millisecond=238 ) properties (out of 3) seen :0
Interrupted probabilistic random walk after 17286 steps, run timeout after 3001 ms. (steps per millisecond=5 ) properties seen :{}
Probabilistic random walk after 17286 steps, saw 15021 distinct states, run finished after 3002 ms. (steps per millisecond=5 ) properties seen :0
Running SMT prover for 3 properties.
[2023-03-16 16:38:01] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
[2023-03-16 16:38:01] [INFO ] Invariant cache hit.
[2023-03-16 16:38:02] [INFO ] [Real]Absence check using 13 positive place invariants in 5 ms returned sat
[2023-03-16 16:38:16] [INFO ] After 14279ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:3
[2023-03-16 16:38:16] [INFO ] [Nat]Absence check using 13 positive place invariants in 5 ms returned sat
[2023-03-16 16:38:33] [INFO ] After 16996ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :3
[2023-03-16 16:38:33] [INFO ] State equation strengthened by 268 read => feed constraints.
[2023-03-16 16:38:41] [INFO ] After 7897ms SMT Verify possible using 268 Read/Feed constraints in natural domain returned unsat :0 sat :3
[2023-03-16 16:38:41] [INFO ] After 7897ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :3
Attempting to minimize the solution found.
Minimization took 2 ms.
[2023-03-16 16:38:41] [INFO ] After 25116ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :3
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 145 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 145 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 144 ms. Remains 626 /626 variables (removed 0) and now considering 31352/31352 (removed 0) transitions.
[2023-03-16 16:38:41] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
[2023-03-16 16:38:41] [INFO ] Invariant cache hit.
[2023-03-16 16:38:43] [INFO ] Implicit Places using invariants in 1703 ms returned []
Implicit Place search using SMT only with invariants took 1703 ms to find 0 implicit places.
[2023-03-16 16:38:43] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
[2023-03-16 16:38:43] [INFO ] Invariant cache hit.
[2023-03-16 16:38:51] [INFO ] Dead Transitions using invariants and state equation in 8399 ms found 0 transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 10250 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 513 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 16:38:52] [INFO ] Computed 13 place invariants in 47 ms
[2023-03-16 16:38:52] [INFO ] [Real]Absence check using 13 positive place invariants in 5 ms returned sat
[2023-03-16 16:39:09] [INFO ] After 16682ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:3
[2023-03-16 16:39:09] [INFO ] [Nat]Absence check using 13 positive place invariants in 6 ms returned sat
[2023-03-16 16:39:29] [INFO ] After 19830ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :3
[2023-03-16 16:39:31] [INFO ] After 21975ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :3
Attempting to minimize the solution found.
Minimization took 1219 ms.
[2023-03-16 16:39:32] [INFO ] After 23322ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :3
Knowledge obtained : [(AND (NOT p1) p0), (X (NOT (AND (NOT p0) (NOT p1)))), (X (AND p0 (NOT p1))), (X (NOT p1)), (X (X (NOT (AND (NOT p0) (NOT p1))))), (X (X (AND p0 (NOT p1)))), (X (X (NOT p1)))]
False Knowledge obtained : []
Knowledge based reduction with 7 factoid took 252 ms. Reduced automaton from 3 states, 4 edges and 2 AP (stutter sensitive) to 3 states, 4 edges and 2 AP (stutter sensitive).
Stuttering acceptance computed with spot in 85 ms :[(NOT p1), (AND (NOT p1) (NOT p0)), (AND (NOT p1) (NOT p0))]
Stuttering acceptance computed with spot in 96 ms :[(NOT p1), (AND (NOT p1) (NOT p0)), (AND (NOT p1) (NOT p0))]
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 16:39:32] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
// Phase 1: matrix 18325 rows 626 cols
[2023-03-16 16:39:33] [INFO ] Computed 13 place invariants in 48 ms
[2023-03-16 16:39:34] [INFO ] Implicit Places using invariants in 1822 ms returned []
Implicit Place search using SMT only with invariants took 1823 ms to find 0 implicit places.
[2023-03-16 16:39:34] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
[2023-03-16 16:39:34] [INFO ] Invariant cache hit.
[2023-03-16 16:39:43] [INFO ] Dead Transitions using invariants and state equation in 8459 ms found 0 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 10351 ms. Remains : 626/626 places, 31352/31352 transitions.
Computed a total of 0 stabilizing places and 0 stable transitions
Computed a total of 0 stabilizing places and 0 stable transitions
Knowledge obtained : [(AND (NOT p1) p0), (X (NOT (AND (NOT p0) (NOT p1)))), (X (AND p0 (NOT p1))), (X (X (NOT (AND (NOT p0) (NOT p1))))), (X (X (AND p0 (NOT p1)))), (X (X (NOT p1)))]
False Knowledge obtained : []
Knowledge based reduction with 6 factoid took 219 ms. Reduced automaton from 3 states, 4 edges and 2 AP (stutter sensitive) to 3 states, 4 edges and 2 AP (stutter sensitive).
Stuttering acceptance computed with spot in 108 ms :[(NOT p1), (AND (NOT p1) (NOT p0)), (AND (NOT p1) (NOT p0))]
Incomplete random walk after 10000 steps, including 2 resets, run finished after 331 ms. (steps per millisecond=30 ) properties (out of 3) seen :0
Incomplete Best-First random walk after 10000 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 36 ms. (steps per millisecond=277 ) properties (out of 3) seen :0
Incomplete Best-First random walk after 10000 steps, including 2 resets, run finished after 34 ms. (steps per millisecond=294 ) properties (out of 3) seen :0
Interrupted probabilistic random walk after 18383 steps, run timeout after 3001 ms. (steps per millisecond=6 ) properties seen :{}
Probabilistic random walk after 18383 steps, saw 15962 distinct states, run finished after 3002 ms. (steps per millisecond=6 ) properties seen :0
Running SMT prover for 3 properties.
[2023-03-16 16:39:47] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
[2023-03-16 16:39:47] [INFO ] Invariant cache hit.
[2023-03-16 16:39:47] [INFO ] [Real]Absence check using 13 positive place invariants in 5 ms returned sat
[2023-03-16 16:40:01] [INFO ] After 14068ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:3
[2023-03-16 16:40:01] [INFO ] [Nat]Absence check using 13 positive place invariants in 6 ms returned sat
[2023-03-16 16:40:18] [INFO ] After 16870ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :3
[2023-03-16 16:40:18] [INFO ] State equation strengthened by 268 read => feed constraints.
[2023-03-16 16:40:26] [INFO ] After 7953ms SMT Verify possible using 268 Read/Feed constraints in natural domain returned unsat :0 sat :3
[2023-03-16 16:40:26] [INFO ] After 7955ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :3
Attempting to minimize the solution found.
Minimization took 4 ms.
[2023-03-16 16:40:26] [INFO ] After 25046ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :3
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 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 358 ms. (steps per millisecond=27 ) properties (out of 3) seen :2
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
Running SMT prover for 1 properties.
[2023-03-16 16:40:26] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
[2023-03-16 16:40:26] [INFO ] Invariant cache hit.
[2023-03-16 16:40:27] [INFO ] [Real]Absence check using 13 positive place invariants in 5 ms returned sat
[2023-03-16 16:40:41] [INFO ] After 14957ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
[2023-03-16 16:40:42] [INFO ] [Nat]Absence check using 13 positive place invariants in 6 ms returned sat
[2023-03-16 16:40:57] [INFO ] After 15205ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
[2023-03-16 16:40:57] [INFO ] State equation strengthened by 268 read => feed constraints.
[2023-03-16 16:41:03] [INFO ] After 6336ms SMT Verify possible using 268 Read/Feed constraints in natural domain returned unsat :0 sat :1
[2023-03-16 16:41:05] [INFO ] Deduced a trap composed of 48 places in 1756 ms of which 0 ms to minimize.
[2023-03-16 16:41:07] [INFO ] Deduced a trap composed of 48 places in 1568 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.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 16:41:07] [WARNING] SMT solver failed with error :SMT solver raised an error when submitting script.... while checking expressions.
[2023-03-16 16:41:07] [INFO ] After 25732ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :0 real: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 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 152 ms. Remains : 626/626 places, 31352/31352 transitions.
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 30 ms. (steps per millisecond=333 ) properties (out of 1) seen :0
Interrupted probabilistic random walk after 18731 steps, run timeout after 3001 ms. (steps per millisecond=6 ) properties seen :{}
Probabilistic random walk after 18731 steps, saw 16257 distinct states, run finished after 3002 ms. (steps per millisecond=6 ) properties seen :0
Running SMT prover for 1 properties.
[2023-03-16 16:41:11] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
[2023-03-16 16:41:11] [INFO ] Invariant cache hit.
[2023-03-16 16:41:11] [INFO ] [Real]Absence check using 13 positive place invariants in 6 ms returned sat
[2023-03-16 16:41:26] [INFO ] After 14953ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
[2023-03-16 16:41:26] [INFO ] [Nat]Absence check using 13 positive place invariants in 5 ms returned sat
[2023-03-16 16:41:41] [INFO ] After 15218ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
[2023-03-16 16:41:41] [INFO ] State equation strengthened by 268 read => feed constraints.
[2023-03-16 16:41:47] [INFO ] After 6308ms SMT Verify possible using 268 Read/Feed constraints in natural domain returned unsat :0 sat :1
[2023-03-16 16:41:50] [INFO ] Deduced a trap composed of 48 places in 1767 ms of which 1 ms to minimize.
[2023-03-16 16:41:51] [INFO ] Deduced a trap composed of 48 places in 1604 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.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 16:41:51] [WARNING] SMT solver failed with error :SMT solver raised an error when submitting script.... while checking expressions.
[2023-03-16 16:41:51] [INFO ] After 25782ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :0 real: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 172 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 172 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 16:41:52] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
[2023-03-16 16:41:52] [INFO ] Invariant cache hit.
[2023-03-16 16:41:54] [INFO ] Implicit Places using invariants in 1778 ms returned []
Implicit Place search using SMT only with invariants took 1778 ms to find 0 implicit places.
[2023-03-16 16:41:54] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
[2023-03-16 16:41:54] [INFO ] Invariant cache hit.
[2023-03-16 16:42:02] [INFO ] Dead Transitions using invariants and state equation in 8371 ms found 0 transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 10300 ms. Remains : 626/626 places, 31352/31352 transitions.
Knowledge obtained : [(AND (NOT p1) p0), (X (NOT (AND (NOT p0) (NOT p1)))), (X (AND p0 (NOT p1))), (X (X (NOT (AND (NOT p0) (NOT p1))))), (X (X (AND p0 (NOT p1)))), (X (X (NOT p1)))]
False Knowledge obtained : [(F p1), (F (NOT (AND p0 (NOT p1))))]
Knowledge based reduction with 6 factoid took 229 ms. Reduced automaton from 3 states, 4 edges and 2 AP (stutter sensitive) to 3 states, 4 edges and 2 AP (stutter sensitive).
Stuttering acceptance computed with spot in 88 ms :[(NOT p1), (AND (NOT p1) (NOT p0)), (AND (NOT p1) (NOT p0))]
Stuttering acceptance computed with spot in 87 ms :[(NOT p1), (AND (NOT p1) (NOT p0)), (AND (NOT p1) (NOT p0))]
Stuttering acceptance computed with spot in 109 ms :[(NOT p1), (AND (NOT p1) (NOT p0)), (AND (NOT p1) (NOT p0))]
Product exploration explored 100000 steps with 4 reset in 2707 ms.
Product exploration explored 100000 steps with 2 reset in 2814 ms.
Applying partial POR strategy [true, false, true]
Stuttering acceptance computed with spot in 110 ms :[(NOT p1), (AND (NOT p1) (NOT p0)), (AND (NOT p1) (NOT p0))]
Support contains 4 out of 626 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 626/626 places, 31352/31352 transitions.
Applied a total of 0 rules in 145 ms. Remains 626 /626 variables (removed 0) and now considering 31352/31352 (removed 0) transitions.
[2023-03-16 16:42:08] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
[2023-03-16 16:42:08] [INFO ] Invariant cache hit.
[2023-03-16 16:42:17] [INFO ] Dead Transitions using invariants and state equation in 8509 ms found 0 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 8655 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 66 ms. Remains 626 /626 variables (removed 0) and now considering 31352/31352 (removed 0) transitions.
[2023-03-16 16:42:17] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
[2023-03-16 16:42:17] [INFO ] Invariant cache hit.
[2023-03-16 16:42:19] [INFO ] Implicit Places using invariants in 1772 ms returned []
Implicit Place search using SMT only with invariants took 1772 ms to find 0 implicit places.
[2023-03-16 16:42:19] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
[2023-03-16 16:42:19] [INFO ] Invariant cache hit.
[2023-03-16 16:42:27] [INFO ] Dead Transitions using invariants and state equation in 8615 ms found 0 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 10456 ms. Remains : 626/626 places, 31352/31352 transitions.
Treatment of property RERS17pb113-PT-2-LTLFireability-09 finished in 329837 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202303021504/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!((F(p0)&&G(((p0 U p1)||F((G(F(!p2))||(!p1&&F(!p2))))))))'
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202303021504/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(G((F(p0)&&F(!p0))))'
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202303021504/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(X(F(p0))))'
Found a Shortening insensitive property : RERS17pb113-PT-2-LTLFireability-14
Stuttering acceptance computed with spot in 105 ms :[(NOT p0), (NOT p0), (NOT p0)]
Support contains 2 out of 627 places. Attempting structural reductions.
Starting structural reductions in LI_LTL mode, iteration 0 : 627/627 places, 31353/31353 transitions.
Reduce places removed 1 places and 1 transitions.
Applied a total of 0 rules in 159 ms. Remains 626 /627 variables (removed 1) and now considering 31352/31353 (removed 1) transitions.
[2023-03-16 16:42:29] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
[2023-03-16 16:42:29] [INFO ] Invariant cache hit.
[2023-03-16 16:42:31] [INFO ] Implicit Places using invariants in 1760 ms returned []
Implicit Place search using SMT only with invariants took 1761 ms to find 0 implicit places.
[2023-03-16 16:42:31] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
[2023-03-16 16:42:31] [INFO ] Invariant cache hit.
[2023-03-16 16:42:39] [INFO ] Dead Transitions using invariants and state equation in 8376 ms found 0 transitions.
Finished structural reductions in LI_LTL mode , in 1 iterations and 10298 ms. Remains : 626/627 places, 31352/31353 transitions.
Running random walk in product with property : RERS17pb113-PT-2-LTLFireability-14 automaton TGBA Formula[mat=[[{ cond=(NOT p0), acceptance={0} source=0 dest: 0}], [{ cond=true, acceptance={} source=1 dest: 0}], [{ cond=true, acceptance={} source=2 dest: 1}]], initial=2, aps=[p0:(AND (GEQ s268 1) (GEQ s477 1))], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, deterministic, no-univ-branch, unambiguous, semi-deterministic, stutter-sensitive, very-weak, weak, inherently-weak, cl-invariant], stateDesc=[null, null, null][false, false, false]]
Product exploration explored 100000 steps with 10 reset in 2724 ms.
Product exploration explored 100000 steps with 7 reset in 2753 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 (X (NOT p0)))]
False Knowledge obtained : []
Knowledge based reduction with 2 factoid took 113 ms. Reduced automaton from 3 states, 3 edges and 1 AP (stutter sensitive) to 3 states, 3 edges and 1 AP (stutter sensitive).
Stuttering acceptance computed with spot in 82 ms :[(NOT p0), (NOT p0), (NOT p0)]
Finished random walk after 1227 steps, including 0 resets, run visited all 1 properties in 36 ms. (steps per millisecond=34 )
Knowledge obtained : [(NOT p0), (X (X (NOT p0)))]
False Knowledge obtained : [(F p0)]
Knowledge based reduction with 2 factoid took 118 ms. Reduced automaton from 3 states, 3 edges and 1 AP (stutter sensitive) to 3 states, 3 edges and 1 AP (stutter sensitive).
Stuttering acceptance computed with spot in 90 ms :[(NOT p0), (NOT p0), (NOT p0)]
Stuttering acceptance computed with spot in 101 ms :[(NOT p0), (NOT p0), (NOT p0)]
[2023-03-16 16:42:45] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
[2023-03-16 16:42:45] [INFO ] Invariant cache hit.
Could not prove EG (NOT p0)
Support contains 2 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 66 ms. Remains 626 /626 variables (removed 0) and now considering 31352/31352 (removed 0) transitions.
[2023-03-16 16:43:01] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
[2023-03-16 16:43:01] [INFO ] Invariant cache hit.
[2023-03-16 16:43:02] [INFO ] Implicit Places using invariants in 1757 ms returned []
Implicit Place search using SMT only with invariants took 1758 ms to find 0 implicit places.
[2023-03-16 16:43:02] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
[2023-03-16 16:43:02] [INFO ] Invariant cache hit.
[2023-03-16 16:43:11] [INFO ] Dead Transitions using invariants and state equation in 8346 ms found 0 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 10172 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 (X (NOT p0)))]
False Knowledge obtained : []
Knowledge based reduction with 2 factoid took 77 ms. Reduced automaton from 3 states, 3 edges and 1 AP (stutter sensitive) to 3 states, 3 edges and 1 AP (stutter sensitive).
Stuttering acceptance computed with spot in 91 ms :[(NOT p0), (NOT p0), (NOT p0)]
Incomplete random walk after 10000 steps, including 2 resets, run finished after 271 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 27 ms. (steps per millisecond=370 ) properties (out of 1) seen :0
Interrupted probabilistic random walk after 19382 steps, run timeout after 3002 ms. (steps per millisecond=6 ) properties seen :{}
Probabilistic random walk after 19382 steps, saw 16819 distinct states, run finished after 3002 ms. (steps per millisecond=6 ) properties seen :0
Running SMT prover for 1 properties.
[2023-03-16 16:43:14] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
[2023-03-16 16:43:14] [INFO ] Invariant cache hit.
[2023-03-16 16:43:14] [INFO ] [Real]Absence check using 13 positive place invariants in 6 ms returned sat
[2023-03-16 16:43:31] [INFO ] After 16348ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
[2023-03-16 16:43:31] [INFO ] [Nat]Absence check using 13 positive place invariants in 5 ms returned sat
[2023-03-16 16:43:46] [INFO ] After 15364ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
[2023-03-16 16:43:46] [INFO ] State equation strengthened by 268 read => feed constraints.
[2023-03-16 16:43:50] [INFO ] After 3975ms SMT Verify possible using 268 Read/Feed constraints in natural domain returned unsat :0 sat :1
[2023-03-16 16:43:51] [INFO ] Deduced a trap composed of 40 places in 817 ms of which 0 ms to minimize.
[2023-03-16 16:43:52] [INFO ] Deduced a trap composed of 40 places in 717 ms of which 0 ms to minimize.
[2023-03-16 16:43:53] [INFO ] Deduced a trap composed of 48 places in 607 ms of which 3 ms to minimize.
[2023-03-16 16:43:54] [INFO ] Deduced a trap composed of 40 places in 606 ms of which 0 ms to minimize.
[2023-03-16 16:43:55] [INFO ] Deduced a trap composed of 64 places in 509 ms of which 1 ms to minimize.
[2023-03-16 16:43:56] [INFO ] Trap strengthening (SAT) tested/added 6/5 trap constraints in 5316 ms
[2023-03-16 16:43:56] [INFO ] After 9494ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
Attempting to minimize the solution found.
Minimization took 2 ms.
[2023-03-16 16:43:56] [INFO ] After 25043ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
Parikh walk visited 0 properties in 0 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 149 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 149 ms. Remains : 626/626 places, 31352/31352 transitions.
Incomplete random walk after 10000 steps, including 2 resets, run finished after 368 ms. (steps per millisecond=27 ) properties (out of 1) seen :0
Finished Best-First random walk after 8581 steps, including 2 resets, run visited all 1 properties in 24 ms. (steps per millisecond=357 )
Knowledge obtained : [(NOT p0), (X (X (NOT p0)))]
False Knowledge obtained : [(F p0)]
Knowledge based reduction with 2 factoid took 134 ms. Reduced automaton from 3 states, 3 edges and 1 AP (stutter sensitive) to 3 states, 3 edges and 1 AP (stutter sensitive).
Stuttering acceptance computed with spot in 114 ms :[(NOT p0), (NOT p0), (NOT p0)]
Stuttering acceptance computed with spot in 108 ms :[(NOT p0), (NOT p0), (NOT p0)]
[2023-03-16 16:43:57] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
[2023-03-16 16:43:57] [INFO ] Invariant cache hit.
Could not prove EG (NOT p0)
Stuttering acceptance computed with spot in 118 ms :[(NOT p0), (NOT p0), (NOT p0)]
Product exploration explored 100000 steps with 4 reset in 2776 ms.
Product exploration explored 100000 steps with 14 reset in 2782 ms.
Applying partial POR strategy [true, false, false]
Stuttering acceptance computed with spot in 92 ms :[(NOT p0), (NOT p0), (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 145 ms. Remains 626 /626 variables (removed 0) and now considering 31352/31352 (removed 0) transitions.
[2023-03-16 16:44:18] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
[2023-03-16 16:44:18] [INFO ] Invariant cache hit.
[2023-03-16 16:44:27] [INFO ] Dead Transitions using invariants and state equation in 8774 ms found 0 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 8921 ms. Remains : 626/626 places, 31352/31352 transitions.
Support contains 2 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 66 ms. Remains 626 /626 variables (removed 0) and now considering 31352/31352 (removed 0) transitions.
[2023-03-16 16:44:27] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
[2023-03-16 16:44:27] [INFO ] Invariant cache hit.
[2023-03-16 16:44:28] [INFO ] Implicit Places using invariants in 1793 ms returned []
Implicit Place search using SMT only with invariants took 1793 ms to find 0 implicit places.
[2023-03-16 16:44:28] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
[2023-03-16 16:44:28] [INFO ] Invariant cache hit.
[2023-03-16 16:44:37] [INFO ] Dead Transitions using invariants and state equation in 8282 ms found 0 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 10144 ms. Remains : 626/626 places, 31352/31352 transitions.
Treatment of property RERS17pb113-PT-2-LTLFireability-14 finished in 129248 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(((p1 U p2)&&p0))))'
[2023-03-16 16:44:39] [INFO ] Flatten gal took : 704 ms
[2023-03-16 16:44:39] [INFO ] Export to MCC of 10 properties in file /home/mcc/execution/LTLFireability.sr.xml took 2 ms.
[2023-03-16 16:44:39] [INFO ] Export to PNML in file /home/mcc/execution/model.sr.pnml of net with 627 places, 31353 transitions and 125406 arcs took 91 ms.
Total runtime 3532758 ms.
There are residual formulas that ITS could not solve within timeout
pnml2lts-mc model.pnml -s80% --procs=4 --ltl=/tmp/4424/ltl_0_ --buchi-type=spotba --strategy=ufscc --ltl-semantics=spin --state=tree
pnml2lts-mc model.pnml -s80% --procs=4 --ltl=/tmp/4424/ltl_1_ --buchi-type=spotba --strategy=ufscc --ltl-semantics=spin --state=tree
pnml2lts-mc model.pnml -s80% --procs=4 --ltl=/tmp/4424/ltl_2_ --buchi-type=spotba --strategy=ufscc --ltl-semantics=spin --state=tree
pnml2lts-mc model.pnml -s80% --procs=4 --ltl=/tmp/4424/ltl_3_ --buchi-type=spotba --strategy=ufscc --ltl-semantics=spin --state=tree
pnml2lts-mc model.pnml -s80% --procs=4 --ltl=/tmp/4424/ltl_4_ --buchi-type=spotba --strategy=ufscc --ltl-semantics=spin --state=tree
pnml2lts-mc model.pnml -s80% --procs=4 --ltl=/tmp/4424/ltl_5_ --buchi-type=spotba --strategy=ufscc --ltl-semantics=spin --state=tree
pnml2lts-mc model.pnml -s80% --procs=4 --ltl=/tmp/4424/ltl_6_ --buchi-type=spotba --strategy=ufscc --ltl-semantics=spin --state=tree
pnml2lts-mc model.pnml -s80% --procs=4 --ltl=/tmp/4424/ltl_7_ --buchi-type=spotba --strategy=ufscc --ltl-semantics=spin --state=tree
pnml2lts-mc model.pnml -s80% --procs=4 --ltl=/tmp/4424/ltl_8_ --buchi-type=spotba --strategy=ufscc --ltl-semantics=spin --state=tree
pnml2lts-mc model.pnml -s80% --procs=4 --ltl=/tmp/4424/ltl_9_ --buchi-type=spotba --strategy=ufscc --ltl-semantics=spin --state=tree
Could not compute solution for formula : RERS17pb113-PT-2-LTLFireability-01
Could not compute solution for formula : RERS17pb113-PT-2-LTLFireability-03
Could not compute solution for formula : RERS17pb113-PT-2-LTLFireability-05
Could not compute solution for formula : RERS17pb113-PT-2-LTLFireability-06
Could not compute solution for formula : RERS17pb113-PT-2-LTLFireability-07
Could not compute solution for formula : RERS17pb113-PT-2-LTLFireability-09
Could not compute solution for formula : RERS17pb113-PT-2-LTLFireability-11
Could not compute solution for formula : RERS17pb113-PT-2-LTLFireability-13
Could not compute solution for formula : RERS17pb113-PT-2-LTLFireability-14
Could not compute solution for formula : RERS17pb113-PT-2-LTLFireability-15

BK_STOP 1678985141535

--------------------
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-2-LTLFireability-01
ltl formula formula --ltl=/tmp/4424/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 3.070 real 1.120 user 1.090 sys
pnml2lts-mc( 1/ 4): LTL layer: formula: /tmp/4424/ltl_0_
pnml2lts-mc( 2/ 4): LTL layer: formula: /tmp/4424/ltl_0_
pnml2lts-mc( 3/ 4): LTL layer: formula: /tmp/4424/ltl_0_
pnml2lts-mc( 0/ 4): LTL layer: formula: /tmp/4424/ltl_0_
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-2-LTLFireability-03
ltl formula formula --ltl=/tmp/4424/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 3.120 real 1.050 user 0.980 sys
pnml2lts-mc( 0/ 4): LTL layer: formula: /tmp/4424/ltl_1_
pnml2lts-mc( 1/ 4): LTL layer: formula: /tmp/4424/ltl_1_
pnml2lts-mc( 2/ 4): LTL layer: formula: /tmp/4424/ltl_1_
pnml2lts-mc( 3/ 4): LTL layer: formula: /tmp/4424/ltl_1_
pnml2lts-mc( 0/ 4): buchi has 9 states
pnml2lts-mc( 0/ 4): Weak Buchi automaton detected, adding non-accepting as progress label.
pnml2lts-mc( 0/ 4), ** error **: area memory exhausted
free(): double free detected in tcache 2
ltl formula name RERS17pb113-PT-2-LTLFireability-05
ltl formula formula --ltl=/tmp/4424/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: =============================================================================
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 3.160 real 1.070 user 0.930 sys
pnml2lts-mc( 1/ 4): LTL layer: formula: /tmp/4424/ltl_2_
pnml2lts-mc( 0/ 4): LTL layer: formula: /tmp/4424/ltl_2_
pnml2lts-mc( 2/ 4): LTL layer: formula: /tmp/4424/ltl_2_
pnml2lts-mc( 3/ 4): LTL layer: formula: /tmp/4424/ltl_2_
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-2-LTLFireability-06
ltl formula formula --ltl=/tmp/4424/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 3.010 real 1.120 user 0.900 sys
pnml2lts-mc( 2/ 4): LTL layer: formula: /tmp/4424/ltl_3_
pnml2lts-mc( 3/ 4): LTL layer: formula: /tmp/4424/ltl_3_
pnml2lts-mc( 0/ 4): LTL layer: formula: /tmp/4424/ltl_3_
pnml2lts-mc( 1/ 4): LTL layer: formula: /tmp/4424/ltl_3_
pnml2lts-mc( 0/ 4): buchi has 5 states
pnml2lts-mc( 0/ 4), ** error **: area memory exhausted
double free or corruption (fasttop)
ltl formula name RERS17pb113-PT-2-LTLFireability-07
ltl formula formula --ltl=/tmp/4424/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 3.080 real 0.980 user 1.040 sys
pnml2lts-mc( 3/ 4): LTL layer: formula: /tmp/4424/ltl_4_
pnml2lts-mc( 1/ 4): LTL layer: formula: /tmp/4424/ltl_4_
pnml2lts-mc( 0/ 4): LTL layer: formula: /tmp/4424/ltl_4_
pnml2lts-mc( 2/ 4): LTL layer: formula: /tmp/4424/ltl_4_
pnml2lts-mc( 0/ 4): buchi has 2 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-2-LTLFireability-09
ltl formula formula --ltl=/tmp/4424/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: =============================================================================
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 3.040 real 0.970 user 1.020 sys
pnml2lts-mc( 0/ 4): LTL layer: formula: /tmp/4424/ltl_5_
pnml2lts-mc( 3/ 4): LTL layer: formula: /tmp/4424/ltl_5_
pnml2lts-mc( 1/ 4): LTL layer: formula: /tmp/4424/ltl_5_
pnml2lts-mc( 2/ 4): LTL layer: formula: /tmp/4424/ltl_5_
pnml2lts-mc( 0/ 4): buchi has 3 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:
ltl formula name RERS17pb113-PT-2-LTLFireability-11
ltl formula formula --ltl=/tmp/4424/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( 3/ 4): LTL layer: formula: /tmp/4424/ltl_6_
pnml2lts-mc( 2/ 4): LTL layer: formula: /tmp/4424/ltl_6_
pnml2lts-mc( 0/ 4): There are no safe places
pnml2lts-mc( 0/ 4): Loading Petri net took 4.860 real 1.230 user 1.020 sys
pnml2lts-mc( 0/ 4): LTL layer: formula: /tmp/4424/ltl_6_
pnml2lts-mc( 1/ 4): LTL layer: formula: /tmp/4424/ltl_6_
pnml2lts-mc( 0/ 4): buchi has 5 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:
0: pnml2lts-mc(+0xa23f4) [0x55bc908823f4]
1: pnml2lts-mc(+0xa2496) [0x55bc90882496]
2: /lib/x86_64-linux-gnu/libpthread.so.0(+0x13140) [0x7f312d3b3140]
3: pnml2lts-mc(+0x405be5) [0x55bc90be5be5]
4: pnml2lts-mc(+0x16b3f9) [0x55bc9094b3f9]
5: pnml2lts-mc(+0x164ac4) [0x55bc90944ac4]
6: pnml2lts-mc(+0x272e0a) [0x55bc90a52e0a]
7: pnml2lts-mc(+0xb61f0) [0x55bc908961f0]
8: /lib/x86_64-linux-gnu/libc.so.6(+0x3b4d7) [0x7f312d2064d7]
9: /lib/x86_64-linux-gnu/libc.so.6(+0x3b67a) [0x7f312d20667a]
10: pnml2lts-mc(+0xa1581) [0x55bc90881581]
11: pnml2lts-mc(+0xa1910) [0x55bc90881910]
12: pnml2lts-mc(+0xa32a2) [0x55bc908832a2]
13: pnml2lts-mc(+0xa50f4) [0x55bc908850f4]
14: pnml2lts-mc(+0x3f34b3) [0x55bc90bd34b3]
15: pnml2lts-mc(+0x7c63d) [0x55bc9085c63d]
16: pnml2lts-mc(+0x67d86) [0x55bc90847d86]
17: pnml2lts-mc(+0x60a8a) [0x55bc90840a8a]
18: pnml2lts-mc(+0x5eb15) [0x55bc9083eb15]
19: /lib/x86_64-linux-gnu/libc.so.6(__libc_start_main+0xea) [0x7f312d1eed0a]
20: pnml2lts-mc(+0x6075e) [0x55bc9084075e]
ltl formula name RERS17pb113-PT-2-LTLFireability-13
ltl formula formula --ltl=/tmp/4424/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
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( 3/ 4): LTL layer: formula: /tmp/4424/ltl_7_
pnml2lts-mc( 2/ 4): LTL layer: formula: /tmp/4424/ltl_7_
pnml2lts-mc( 0/ 4): There are no safe places
pnml2lts-mc( 0/ 4): Loading Petri net took 6.890 real 1.270 user 1.870 sys
pnml2lts-mc( 0/ 4): LTL layer: formula: /tmp/4424/ltl_7_
pnml2lts-mc( 1/ 4): LTL layer: formula: /tmp/4424/ltl_7_
pnml2lts-mc( 0/ 4): buchi has 3 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-2-LTLFireability-14
ltl formula formula --ltl=/tmp/4424/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 3.080 real 1.040 user 0.940 sys
pnml2lts-mc( 0/ 4): LTL layer: formula: /tmp/4424/ltl_8_
pnml2lts-mc( 1/ 4): LTL layer: formula: /tmp/4424/ltl_8_
pnml2lts-mc( 3/ 4): LTL layer: formula: /tmp/4424/ltl_8_
pnml2lts-mc( 2/ 4): LTL layer: formula: /tmp/4424/ltl_8_
pnml2lts-mc( 0/ 4): buchi has 3 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-2-LTLFireability-15
ltl formula formula --ltl=/tmp/4424/ltl_9_
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 3.020 real 1.110 user 0.980 sys
pnml2lts-mc( 2/ 4): LTL layer: formula: /tmp/4424/ltl_9_
pnml2lts-mc( 3/ 4): LTL layer: formula: /tmp/4424/ltl_9_
pnml2lts-mc( 1/ 4): LTL layer: formula: /tmp/4424/ltl_9_
pnml2lts-mc( 0/ 4): LTL layer: formula: /tmp/4424/ltl_9_
pnml2lts-mc( 0/ 4): buchi has 3 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:

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-2"
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-2, 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-167889201500012"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/RERS17pb113-PT-2.tgz
mv RERS17pb113-PT-2 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 ;