fond
Model Checking Contest 2023
13th edition, Paris, France, April 26, 2023 (at TOOLympics II)
Execution of r329-tall-167889201700148
Last Updated
May 14, 2023

About the Execution of LTSMin+red for RERS17pb115-PT-1

Execution Summary
Max Memory
Used (MB)
Time wait (ms) CPU Usage (ms) I/O Wait (ms) Computed Result Execution
Status
12475.447 3600000.00 3999710.00 7799.20 ?FTT?F?TF??F?T?? 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-167889201700148.qcow2', fmt=qcow2 size=4294967296 backing_file=/data/fkordon/mcc2023-input.qcow2 cluster_size=65536 lazy_refcounts=off refcount_bits=16
Waiting for the VM to be ready (probing ssh)
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=====================================================================
Generated by BenchKit 2-5348
Executing tool ltsminxred
Input is RERS17pb115-PT-1, examination is LTLFireability
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r329-tall-167889201700148
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 70M
-rw-r--r-- 1 mcc users 7.7K Feb 25 13:51 CTLCardinality.txt
-rw-r--r-- 1 mcc users 80K Feb 25 13:51 CTLCardinality.xml
-rw-r--r-- 1 mcc users 8.7K Feb 25 13:48 CTLFireability.txt
-rw-r--r-- 1 mcc users 67K Feb 25 13:48 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 16:39 LTLCardinality.txt
-rw-r--r-- 1 mcc users 23K Feb 25 16:39 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.8K Feb 25 16:39 LTLFireability.txt
-rw-r--r-- 1 mcc users 16K Feb 25 16:39 LTLFireability.xml
-rw-r--r-- 1 mcc users 13K Feb 25 13:59 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 139K Feb 25 13:59 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 8.6K Feb 25 13:54 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 52K Feb 25 13:54 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.6K Feb 25 16:39 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.6K Feb 25 16:39 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 69M 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 RERS17pb115-PT-1-LTLFireability-00
FORMULA_NAME RERS17pb115-PT-1-LTLFireability-01
FORMULA_NAME RERS17pb115-PT-1-LTLFireability-02
FORMULA_NAME RERS17pb115-PT-1-LTLFireability-03
FORMULA_NAME RERS17pb115-PT-1-LTLFireability-04
FORMULA_NAME RERS17pb115-PT-1-LTLFireability-05
FORMULA_NAME RERS17pb115-PT-1-LTLFireability-06
FORMULA_NAME RERS17pb115-PT-1-LTLFireability-07
FORMULA_NAME RERS17pb115-PT-1-LTLFireability-08
FORMULA_NAME RERS17pb115-PT-1-LTLFireability-09
FORMULA_NAME RERS17pb115-PT-1-LTLFireability-10
FORMULA_NAME RERS17pb115-PT-1-LTLFireability-11
FORMULA_NAME RERS17pb115-PT-1-LTLFireability-12
FORMULA_NAME RERS17pb115-PT-1-LTLFireability-13
FORMULA_NAME RERS17pb115-PT-1-LTLFireability-14
FORMULA_NAME RERS17pb115-PT-1-LTLFireability-15

=== Now, execution of the tool begins

BK_START 1679044960387

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=RERS17pb115-PT-1
Applying reductions before tool ltsmin
Invoking reducer
Running Version 202303021504
[2023-03-17 09:22:41] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, LTLFireability, -timeout, 360, -rebuildPNML]
[2023-03-17 09:22:41] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2023-03-17 09:22:43] [INFO ] Load time of PNML (sax parser for PT used): 1797 ms
[2023-03-17 09:22:43] [INFO ] Transformed 1399 places.
[2023-03-17 09:22:44] [INFO ] Transformed 144369 transitions.
[2023-03-17 09:22:44] [INFO ] Found NUPN structural information;
[2023-03-17 09:22:44] [INFO ] Parsed PT model containing 1399 places and 144369 transitions and 577414 arcs in 2272 ms.
Parsed 16 properties from file /home/mcc/execution/LTLFireability.xml in 66 ms.
Working with output stream class java.io.PrintStream
Initial state reduction rules removed 3 formulas.
FORMULA RERS17pb115-PT-1-LTLFireability-01 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA RERS17pb115-PT-1-LTLFireability-03 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA RERS17pb115-PT-1-LTLFireability-05 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Support contains 56 out of 1399 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 1399/1399 places, 144369/144369 transitions.
Ensure Unique test removed 18 places
Iterating post reduction 0 with 18 rules applied. Total rules applied 18 place count 1381 transition count 144369
Applied a total of 18 rules in 811 ms. Remains 1381 /1399 variables (removed 18) and now considering 144369/144369 (removed 0) transitions.
[2023-03-17 09:22:46] [INFO ] Flow matrix only has 81238 transitions (discarded 63131 similar events)
// Phase 1: matrix 81238 rows 1381 cols
[2023-03-17 09:22:46] [INFO ] Computed 19 place invariants in 390 ms
[2023-03-17 09:22:54] [INFO ] Implicit Places using invariants in 8289 ms returned []
Implicit Place search using SMT only with invariants took 8313 ms to find 0 implicit places.
[2023-03-17 09:22:54] [INFO ] Flow matrix only has 81238 transitions (discarded 63131 similar events)
[2023-03-17 09:22:54] [INFO ] Invariant cache hit.
[2023-03-17 09:23:24] [INFO ] Performed 83371/144369 'is it Dead' test of which 0 returned DEAD in 30 seconds.
[2023-03-17 09:23:45] [INFO ] Dead Transitions using invariants and state equation in 50911 ms found 0 transitions.
Starting structural reductions in LTL mode, iteration 1 : 1381/1399 places, 144369/144369 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 60052 ms. Remains : 1381/1399 places, 144369/144369 transitions.
Support contains 56 out of 1381 places after structural reductions.
[2023-03-17 09:23:49] [INFO ] Flatten gal took : 3549 ms
[2023-03-17 09:23:53] [INFO ] Flatten gal took : 3652 ms
[2023-03-17 09:24:00] [INFO ] Input system was already deterministic with 144369 transitions.
Support contains 55 out of 1381 places (down from 56) after GAL structural reductions.
Incomplete random walk after 10000 steps, including 2 resets, run finished after 1393 ms. (steps per millisecond=7 ) properties (out of 30) seen :6
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 36 ms. (steps per millisecond=27 ) properties (out of 24) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 26 ms. (steps per millisecond=38 ) properties (out of 24) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 129 ms. (steps per millisecond=7 ) properties (out of 24) seen :0
Incomplete Best-First random walk after 1000 steps, including 2 resets, run finished after 25 ms. (steps per millisecond=40 ) properties (out of 24) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 26 ms. (steps per millisecond=38 ) properties (out of 24) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 25 ms. (steps per millisecond=40 ) properties (out of 24) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 24 ms. (steps per millisecond=41 ) properties (out of 24) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 24 ms. (steps per millisecond=41 ) properties (out of 24) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 107 ms. (steps per millisecond=9 ) properties (out of 24) seen :0
Incomplete Best-First random walk after 1000 steps, including 2 resets, run finished after 24 ms. (steps per millisecond=41 ) properties (out of 24) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 32 ms. (steps per millisecond=31 ) properties (out of 24) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 23 ms. (steps per millisecond=43 ) properties (out of 24) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 25 ms. (steps per millisecond=40 ) properties (out of 24) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 24 ms. (steps per millisecond=41 ) properties (out of 24) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 23 ms. (steps per millisecond=43 ) properties (out of 24) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 24 ms. (steps per millisecond=41 ) properties (out of 24) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 23 ms. (steps per millisecond=43 ) properties (out of 24) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 23 ms. (steps per millisecond=43 ) properties (out of 24) seen :0
Incomplete Best-First random walk after 1000 steps, including 2 resets, run finished after 24 ms. (steps per millisecond=41 ) properties (out of 24) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 24 ms. (steps per millisecond=41 ) properties (out of 24) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 24 ms. (steps per millisecond=41 ) properties (out of 24) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 24 ms. (steps per millisecond=41 ) properties (out of 24) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 24 ms. (steps per millisecond=41 ) properties (out of 24) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 26 ms. (steps per millisecond=38 ) properties (out of 24) seen :0
Running SMT prover for 24 properties.
[2023-03-17 09:24:03] [INFO ] Flow matrix only has 81238 transitions (discarded 63131 similar events)
[2023-03-17 09:24:03] [INFO ] Invariant cache hit.
[2023-03-17 09:24:04] [INFO ] [Real]Absence check using 19 positive place invariants in 19 ms returned sat
[2023-03-17 09:24:04] [INFO ] After 1057ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:24
[2023-03-17 09:24:05] [INFO ] [Nat]Absence check using 19 positive place invariants in 17 ms returned sat
[2023-03-17 09:24:29] [INFO ] After 23893ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :24
[2023-03-17 09:24:31] [INFO ] State equation strengthened by 2277 read => feed constraints.
java.lang.RuntimeException: SMT solver raised an error when submitting script. Raised (error "Failed to assert expression: java.io.IOException: Stream close...
at fr.lip6.move.gal.structural.smt.SMTUtils.execAndCheckResult(SMTUtils.java:251)
at fr.lip6.move.gal.structural.smt.DeadlockTester.verifyPossible(DeadlockTester.java:642)
at fr.lip6.move.gal.structural.smt.DeadlockTester.testUnreachableWithSMTIncremental(DeadlockTester.java:350)
at fr.lip6.move.gal.structural.smt.DeadlockTester.testUnreachableWithSMT(DeadlockTester.java:223)
at fr.lip6.move.gal.application.solver.ReachabilitySolver.applyReductions(ReachabilitySolver.java:95)
at fr.lip6.move.gal.application.solver.logic.AtomicReducerSR.checkAtomicPropositionsLogic(AtomicReducerSR.java:105)
at fr.lip6.move.gal.application.solver.logic.AtomicReducerSR.strongReductions(AtomicReducerSR.java:44)
at fr.lip6.move.gal.application.solver.ltl.LTLPropertySolver.preSolveForLogic(LTLPropertySolver.java:176)
at fr.lip6.move.gal.application.solver.ltl.LTLPropertySolver.runStructuralLTLCheck(LTLPropertySolver.java:71)
at fr.lip6.move.gal.application.Application.startNoEx(Application.java:762)
at fr.lip6.move.gal.application.Application.start(Application.java:178)
at fr.lip6.move.gal.itscl.application.Application.start(Application.java:45)
at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:203)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:136)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:104)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:402)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:255)
at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:77)
at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.base/java.lang.reflect.Method.invoke(Method.java:568)
at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:659)
at org.eclipse.equinox.launcher.Main.basicRun(Main.java:596)
at org.eclipse.equinox.launcher.Main.run(Main.java:1467)
at org.eclipse.equinox.launcher.Main.main(Main.java:1440)
[2023-03-17 09:24:31] [WARNING] SMT solver failed with error :SMT solver raised an error when submitting script.... while checking expressions.
[2023-03-17 09:24:31] [INFO ] After 26899ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :0 real:24
Fused 24 Parikh solutions to 1 different solutions.
Parikh walk visited 0 properties in 0 ms.
Support contains 46 out of 1381 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 1381/1381 places, 144369/144369 transitions.
Applied a total of 0 rules in 1396 ms. Remains 1381 /1381 variables (removed 0) and now considering 144369/144369 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 1402 ms. Remains : 1381/1381 places, 144369/144369 transitions.
Incomplete random walk after 10000 steps, including 2 resets, run finished after 1752 ms. (steps per millisecond=5 ) properties (out of 24) seen :2
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 46 ms. (steps per millisecond=21 ) properties (out of 22) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 30 ms. (steps per millisecond=33 ) properties (out of 22) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 29 ms. (steps per millisecond=34 ) properties (out of 22) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 38 ms. (steps per millisecond=26 ) properties (out of 22) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 40 ms. (steps per millisecond=25 ) properties (out of 22) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 39 ms. (steps per millisecond=25 ) properties (out of 22) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 40 ms. (steps per millisecond=25 ) properties (out of 22) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 40 ms. (steps per millisecond=25 ) properties (out of 22) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 38 ms. (steps per millisecond=26 ) properties (out of 22) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 54 ms. (steps per millisecond=18 ) properties (out of 22) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 40 ms. (steps per millisecond=25 ) properties (out of 22) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 40 ms. (steps per millisecond=25 ) properties (out of 22) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 40 ms. (steps per millisecond=25 ) properties (out of 22) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 39 ms. (steps per millisecond=25 ) properties (out of 22) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 41 ms. (steps per millisecond=24 ) properties (out of 22) seen :0
Incomplete Best-First random walk after 1000 steps, including 2 resets, run finished after 39 ms. (steps per millisecond=25 ) properties (out of 22) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 34 ms. (steps per millisecond=29 ) properties (out of 22) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 37 ms. (steps per millisecond=27 ) properties (out of 22) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 34 ms. (steps per millisecond=29 ) properties (out of 22) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 36 ms. (steps per millisecond=27 ) properties (out of 22) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 34 ms. (steps per millisecond=29 ) properties (out of 22) seen :0
Incomplete Best-First random walk after 1000 steps, including 2 resets, run finished after 29 ms. (steps per millisecond=34 ) properties (out of 22) seen :0
Interrupted probabilistic random walk after 4203 steps, run timeout after 6005 ms. (steps per millisecond=0 ) properties seen :{}
Probabilistic random walk after 4203 steps, saw 3189 distinct states, run finished after 6008 ms. (steps per millisecond=0 ) properties seen :0
Running SMT prover for 22 properties.
[2023-03-17 09:24:42] [INFO ] Flow matrix only has 81238 transitions (discarded 63131 similar events)
[2023-03-17 09:24:42] [INFO ] Invariant cache hit.
[2023-03-17 09:24:42] [INFO ] [Real]Absence check using 19 positive place invariants in 22 ms returned sat
[2023-03-17 09:24:43] [INFO ] After 1016ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:22
[2023-03-17 09:24:43] [INFO ] [Nat]Absence check using 19 positive place invariants in 18 ms returned sat
[2023-03-17 09:25:08] [INFO ] After 24000ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :22
[2023-03-17 09:25:09] [INFO ] State equation strengthened by 2277 read => feed constraints.
java.lang.RuntimeException: SMT solver raised an error when submitting script. Raised (error "Failed to assert expression: java.io.IOException: Stream close...
at fr.lip6.move.gal.structural.smt.SMTUtils.execAndCheckResult(SMTUtils.java:251)
at fr.lip6.move.gal.structural.smt.DeadlockTester.verifyPossible(DeadlockTester.java:642)
at fr.lip6.move.gal.structural.smt.DeadlockTester.testUnreachableWithSMTIncremental(DeadlockTester.java:350)
at fr.lip6.move.gal.structural.smt.DeadlockTester.testUnreachableWithSMT(DeadlockTester.java:223)
at fr.lip6.move.gal.application.solver.ReachabilitySolver.applyReductions(ReachabilitySolver.java:95)
at fr.lip6.move.gal.application.solver.logic.AtomicReducerSR.checkAtomicPropositionsLogic(AtomicReducerSR.java:105)
at fr.lip6.move.gal.application.solver.logic.AtomicReducerSR.strongReductions(AtomicReducerSR.java:44)
at fr.lip6.move.gal.application.solver.ltl.LTLPropertySolver.preSolveForLogic(LTLPropertySolver.java:176)
at fr.lip6.move.gal.application.solver.ltl.LTLPropertySolver.runStructuralLTLCheck(LTLPropertySolver.java:71)
at fr.lip6.move.gal.application.Application.startNoEx(Application.java:762)
at fr.lip6.move.gal.application.Application.start(Application.java:178)
at fr.lip6.move.gal.itscl.application.Application.start(Application.java:45)
at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:203)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:136)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:104)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:402)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:255)
at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:77)
at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.base/java.lang.reflect.Method.invoke(Method.java:568)
at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:659)
at org.eclipse.equinox.launcher.Main.basicRun(Main.java:596)
at org.eclipse.equinox.launcher.Main.run(Main.java:1467)
at org.eclipse.equinox.launcher.Main.main(Main.java:1440)
[2023-03-17 09:25:09] [WARNING] SMT solver failed with error :SMT solver raised an error when submitting script.... while checking expressions.
[2023-03-17 09:25:09] [INFO ] After 26376ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :0 real:22
Fused 22 Parikh solutions to 1 different solutions.
Parikh walk visited 0 properties in 0 ms.
Support contains 42 out of 1381 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 1381/1381 places, 144369/144369 transitions.
Applied a total of 0 rules in 997 ms. Remains 1381 /1381 variables (removed 0) and now considering 144369/144369 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 997 ms. Remains : 1381/1381 places, 144369/144369 transitions.
Incomplete random walk after 10000 steps, including 2 resets, run finished after 1566 ms. (steps per millisecond=6 ) properties (out of 22) seen :1
Incomplete Best-First random walk after 1000 steps, including 2 resets, run finished after 36 ms. (steps per millisecond=27 ) properties (out of 21) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 28 ms. (steps per millisecond=35 ) properties (out of 21) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 26 ms. (steps per millisecond=38 ) properties (out of 21) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 29 ms. (steps per millisecond=34 ) properties (out of 21) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 31 ms. (steps per millisecond=32 ) properties (out of 21) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 27 ms. (steps per millisecond=37 ) properties (out of 21) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 26 ms. (steps per millisecond=38 ) properties (out of 21) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 26 ms. (steps per millisecond=38 ) properties (out of 21) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 36 ms. (steps per millisecond=27 ) properties (out of 21) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 24 ms. (steps per millisecond=41 ) properties (out of 21) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 25 ms. (steps per millisecond=40 ) properties (out of 21) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 25 ms. (steps per millisecond=40 ) properties (out of 21) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 25 ms. (steps per millisecond=40 ) properties (out of 21) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 26 ms. (steps per millisecond=38 ) properties (out of 21) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 26 ms. (steps per millisecond=38 ) properties (out of 21) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 25 ms. (steps per millisecond=40 ) properties (out of 21) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 24 ms. (steps per millisecond=41 ) properties (out of 21) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 24 ms. (steps per millisecond=41 ) properties (out of 21) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 25 ms. (steps per millisecond=40 ) properties (out of 21) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 25 ms. (steps per millisecond=40 ) properties (out of 21) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 29 ms. (steps per millisecond=34 ) properties (out of 21) seen :0
Interrupted probabilistic random walk after 4916 steps, run timeout after 6004 ms. (steps per millisecond=0 ) properties seen :{}
Probabilistic random walk after 4916 steps, saw 3790 distinct states, run finished after 6004 ms. (steps per millisecond=0 ) properties seen :0
Running SMT prover for 21 properties.
[2023-03-17 09:25:19] [INFO ] Flow matrix only has 81238 transitions (discarded 63131 similar events)
[2023-03-17 09:25:19] [INFO ] Invariant cache hit.
[2023-03-17 09:25:19] [INFO ] [Real]Absence check using 19 positive place invariants in 16 ms returned sat
[2023-03-17 09:25:20] [INFO ] After 961ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:21
[2023-03-17 09:25:20] [INFO ] [Nat]Absence check using 19 positive place invariants in 16 ms returned sat
[2023-03-17 09:25:45] [INFO ] After 24044ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :21
[2023-03-17 09:25:46] [INFO ] State equation strengthened by 2277 read => feed constraints.
java.lang.RuntimeException: SMT solver raised an error when submitting script. Raised (error "Failed to assert expression: java.io.IOException: Stream close...
at fr.lip6.move.gal.structural.smt.SMTUtils.execAndCheckResult(SMTUtils.java:251)
at fr.lip6.move.gal.structural.smt.DeadlockTester.verifyPossible(DeadlockTester.java:642)
at fr.lip6.move.gal.structural.smt.DeadlockTester.testUnreachableWithSMTIncremental(DeadlockTester.java:350)
at fr.lip6.move.gal.structural.smt.DeadlockTester.testUnreachableWithSMT(DeadlockTester.java:223)
at fr.lip6.move.gal.application.solver.ReachabilitySolver.applyReductions(ReachabilitySolver.java:95)
at fr.lip6.move.gal.application.solver.logic.AtomicReducerSR.checkAtomicPropositionsLogic(AtomicReducerSR.java:105)
at fr.lip6.move.gal.application.solver.logic.AtomicReducerSR.strongReductions(AtomicReducerSR.java:44)
at fr.lip6.move.gal.application.solver.ltl.LTLPropertySolver.preSolveForLogic(LTLPropertySolver.java:176)
at fr.lip6.move.gal.application.solver.ltl.LTLPropertySolver.runStructuralLTLCheck(LTLPropertySolver.java:71)
at fr.lip6.move.gal.application.Application.startNoEx(Application.java:762)
at fr.lip6.move.gal.application.Application.start(Application.java:178)
at fr.lip6.move.gal.itscl.application.Application.start(Application.java:45)
at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:203)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:136)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:104)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:402)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:255)
at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:77)
at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.base/java.lang.reflect.Method.invoke(Method.java:568)
at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:659)
at org.eclipse.equinox.launcher.Main.basicRun(Main.java:596)
at org.eclipse.equinox.launcher.Main.run(Main.java:1467)
at org.eclipse.equinox.launcher.Main.main(Main.java:1440)
[2023-03-17 09:25:46] [WARNING] SMT solver failed with error :SMT solver raised an error when submitting script.... while checking expressions.
[2023-03-17 09:25:46] [INFO ] After 26047ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :0 real:21
Fused 21 Parikh solutions to 1 different solutions.
Parikh walk visited 0 properties in 0 ms.
Support contains 40 out of 1381 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 1381/1381 places, 144369/144369 transitions.
Applied a total of 0 rules in 950 ms. Remains 1381 /1381 variables (removed 0) and now considering 144369/144369 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 950 ms. Remains : 1381/1381 places, 144369/144369 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(G(p0)))'
Support contains 2 out of 1381 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 1381/1381 places, 144369/144369 transitions.
Applied a total of 0 rules in 483 ms. Remains 1381 /1381 variables (removed 0) and now considering 144369/144369 (removed 0) transitions.
[2023-03-17 09:25:48] [INFO ] Flow matrix only has 81238 transitions (discarded 63131 similar events)
[2023-03-17 09:25:48] [INFO ] Invariant cache hit.
[2023-03-17 09:25:56] [INFO ] Implicit Places using invariants in 8485 ms returned []
Implicit Place search using SMT only with invariants took 8486 ms to find 0 implicit places.
[2023-03-17 09:25:56] [INFO ] Flow matrix only has 81238 transitions (discarded 63131 similar events)
[2023-03-17 09:25:56] [INFO ] Invariant cache hit.
[2023-03-17 09:26:27] [INFO ] Performed 84302/144369 'is it Dead' test of which 0 returned DEAD in 30 seconds.
[2023-03-17 09:26:48] [INFO ] Dead Transitions using invariants and state equation in 51826 ms found 0 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 60801 ms. Remains : 1381/1381 places, 144369/144369 transitions.
Stuttering acceptance computed with spot in 267 ms :[true, (NOT p0), (NOT p0)]
Running random walk in product with property : RERS17pb115-PT-1-LTLFireability-00 automaton TGBA Formula[mat=[[{ cond=true, acceptance={0} source=0 dest: 0}], [{ cond=true, acceptance={} source=1 dest: 2}], [{ cond=(NOT p0), acceptance={} source=2 dest: 0}, { cond=p0, acceptance={} source=2 dest: 2}]], initial=1, aps=[p0:(OR (NEQ s436 1) (NEQ s703 1))], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, complete, deterministic, no-univ-branch, unambiguous, semi-deterministic, stutter-sensitive, terminal, very-weak, weak, inherently-weak], stateDesc=[null, null, null][false, false, false]]
Product exploration explored 100000 steps with 0 reset in 9209 ms.
Product exploration explored 100000 steps with 0 reset in 8879 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 : [p0, (X p0), (X (X p0)), true]
False Knowledge obtained : []
Knowledge based reduction with 4 factoid took 151 ms. Reduced automaton from 3 states, 4 edges and 1 AP (stutter sensitive) to 3 states, 4 edges and 1 AP (stutter sensitive).
Stuttering acceptance computed with spot in 93 ms :[true, (NOT p0), (NOT p0)]
Incomplete random walk after 10000 steps, including 2 resets, run finished after 981 ms. (steps per millisecond=10 ) properties (out of 1) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 147 ms. (steps per millisecond=68 ) properties (out of 1) seen :0
Interrupted probabilistic random walk after 2542 steps, run timeout after 3004 ms. (steps per millisecond=0 ) properties seen :{}
Probabilistic random walk after 2542 steps, saw 1995 distinct states, run finished after 3006 ms. (steps per millisecond=0 ) properties seen :0
Running SMT prover for 1 properties.
[2023-03-17 09:27:12] [INFO ] Flow matrix only has 81238 transitions (discarded 63131 similar events)
[2023-03-17 09:27:12] [INFO ] Invariant cache hit.
[2023-03-17 09:27:13] [INFO ] [Real]Absence check using 19 positive place invariants in 17 ms returned sat
[2023-03-17 09:27:32] [INFO ] After 19374ms SMT Verify possible using state equation in real domain returned unsat :0 sat :1
[2023-03-17 09:27:33] [INFO ] State equation strengthened by 2277 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)
[2023-03-17 09:27:37] [WARNING] SMT solver failed with error :SMT solver raised an error when submitting script.... while checking expressions.
[2023-03-17 09:27:37] [INFO ] After 25029ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0
Parikh walk visited 0 properties in 0 ms.
Support contains 2 out of 1381 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 1381/1381 places, 144369/144369 transitions.
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 0 with 1 rules applied. Total rules applied 1 place count 1380 transition count 144368
Applied a total of 1 rules in 1687 ms. Remains 1380 /1381 variables (removed 1) and now considering 144368/144369 (removed 1) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 1689 ms. Remains : 1380/1381 places, 144368/144369 transitions.
Incomplete random walk after 10000 steps, including 2 resets, run finished after 947 ms. (steps per millisecond=10 ) properties (out of 1) seen :0
Incomplete Best-First random walk after 10000 steps, including 2 resets, run finished after 140 ms. (steps per millisecond=71 ) properties (out of 1) seen :0
Interrupted probabilistic random walk after 2494 steps, run timeout after 3003 ms. (steps per millisecond=0 ) properties seen :{}
Probabilistic random walk after 2494 steps, saw 1959 distinct states, run finished after 3003 ms. (steps per millisecond=0 ) properties seen :0
Running SMT prover for 1 properties.
[2023-03-17 09:27:44] [INFO ] Flow matrix only has 81237 transitions (discarded 63131 similar events)
// Phase 1: matrix 81237 rows 1380 cols
[2023-03-17 09:27:44] [INFO ] Computed 19 place invariants in 271 ms
[2023-03-17 09:27:44] [INFO ] [Real]Absence check using 19 positive place invariants in 14 ms returned sat
[2023-03-17 09:28:03] [INFO ] After 19291ms SMT Verify possible using state equation in real domain returned unsat :0 sat :1
[2023-03-17 09:28:04] [INFO ] State equation strengthened by 741 read => feed constraints.
[2023-03-17 09:28:09] [INFO ] After 4903ms SMT Verify possible using 741 Read/Feed constraints in real domain returned unsat :0 sat :0
[2023-03-17 09:28:09] [INFO ] After 25014ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0
Parikh walk visited 0 properties in 0 ms.
Support contains 2 out of 1380 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 1380/1380 places, 144368/144368 transitions.
Applied a total of 0 rules in 855 ms. Remains 1380 /1380 variables (removed 0) and now considering 144368/144368 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 855 ms. Remains : 1380/1380 places, 144368/144368 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 1380/1380 places, 144368/144368 transitions.
Applied a total of 0 rules in 859 ms. Remains 1380 /1380 variables (removed 0) and now considering 144368/144368 (removed 0) transitions.
[2023-03-17 09:28:11] [INFO ] Flow matrix only has 81237 transitions (discarded 63131 similar events)
[2023-03-17 09:28:11] [INFO ] Invariant cache hit.
[2023-03-17 09:28:19] [INFO ] Implicit Places using invariants in 7943 ms returned []
Implicit Place search using SMT only with invariants took 7945 ms to find 0 implicit places.
[2023-03-17 09:28:19] [INFO ] Flow matrix only has 81237 transitions (discarded 63131 similar events)
[2023-03-17 09:28:19] [INFO ] Invariant cache hit.
[2023-03-17 09:28:49] [INFO ] Performed 90755/144368 'is it Dead' test of which 0 returned DEAD in 30 seconds.
[2023-03-17 09:29:07] [INFO ] Dead Transitions using invariants and state equation in 48168 ms found 0 transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 56985 ms. Remains : 1380/1380 places, 144368/144368 transitions.
Knowledge obtained : [p0, (X p0), (X (X p0)), true]
False Knowledge obtained : []
Knowledge based reduction with 4 factoid took 142 ms. Reduced automaton from 3 states, 4 edges and 1 AP (stutter sensitive) to 3 states, 4 edges and 1 AP (stutter sensitive).
Stuttering acceptance computed with spot in 87 ms :[true, (NOT p0), (NOT p0)]
Stuttering acceptance computed with spot in 75 ms :[true, (NOT p0), (NOT p0)]
Support contains 2 out of 1381 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 1381/1381 places, 144369/144369 transitions.
Applied a total of 0 rules in 404 ms. Remains 1381 /1381 variables (removed 0) and now considering 144369/144369 (removed 0) transitions.
[2023-03-17 09:29:08] [INFO ] Flow matrix only has 81238 transitions (discarded 63131 similar events)
// Phase 1: matrix 81238 rows 1381 cols
[2023-03-17 09:29:08] [INFO ] Computed 19 place invariants in 269 ms
[2023-03-17 09:29:16] [INFO ] Implicit Places using invariants in 8139 ms returned []
Implicit Place search using SMT only with invariants took 8140 ms to find 0 implicit places.
[2023-03-17 09:29:16] [INFO ] Flow matrix only has 81238 transitions (discarded 63131 similar events)
[2023-03-17 09:29:16] [INFO ] Invariant cache hit.
[2023-03-17 09:29:46] [INFO ] Performed 90337/144369 'is it Dead' test of which 0 returned DEAD in 30 seconds.
[2023-03-17 09:30:04] [INFO ] Dead Transitions using invariants and state equation in 47803 ms found 0 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 56351 ms. Remains : 1381/1381 places, 144369/144369 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 : [p0, (X p0), (X (X p0)), true]
False Knowledge obtained : []
Knowledge based reduction with 4 factoid took 157 ms. Reduced automaton from 3 states, 4 edges and 1 AP (stutter sensitive) to 3 states, 4 edges and 1 AP (stutter sensitive).
Stuttering acceptance computed with spot in 76 ms :[true, (NOT p0), (NOT p0)]
Incomplete random walk after 10000 steps, including 2 resets, run finished after 988 ms. (steps per millisecond=10 ) properties (out of 1) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 129 ms. (steps per millisecond=77 ) properties (out of 1) seen :0
Interrupted probabilistic random walk after 2326 steps, run timeout after 3004 ms. (steps per millisecond=0 ) properties seen :{}
Probabilistic random walk after 2326 steps, saw 1818 distinct states, run finished after 3006 ms. (steps per millisecond=0 ) properties seen :0
Running SMT prover for 1 properties.
[2023-03-17 09:30:09] [INFO ] Flow matrix only has 81238 transitions (discarded 63131 similar events)
[2023-03-17 09:30:09] [INFO ] Invariant cache hit.
[2023-03-17 09:30:09] [INFO ] [Real]Absence check using 19 positive place invariants in 14 ms returned sat
[2023-03-17 09:30:28] [INFO ] After 19088ms SMT Verify possible using state equation in real domain returned unsat :0 sat :1
[2023-03-17 09:30:29] [INFO ] State equation strengthened by 2277 read => feed constraints.
java.lang.RuntimeException: SMT solver raised an error when submitting script. Raised (error "Failed to assert expression: java.io.IOException: Stream close...
at fr.lip6.move.gal.structural.smt.SMTUtils.execAndCheckResult(SMTUtils.java:251)
at fr.lip6.move.gal.structural.smt.DeadlockTester.verifyPossible(DeadlockTester.java:642)
at fr.lip6.move.gal.structural.smt.DeadlockTester.testUnreachableWithSMTIncremental(DeadlockTester.java:339)
at fr.lip6.move.gal.structural.smt.DeadlockTester.testUnreachableWithSMT(DeadlockTester.java:223)
at fr.lip6.move.gal.application.solver.ReachabilitySolver.applyReductions(ReachabilitySolver.java:95)
at fr.lip6.move.gal.application.solver.ltl.LTLPropertySolver.addInvarianceKnowledge(LTLPropertySolver.java:701)
at fr.lip6.move.gal.application.solver.ltl.LTLPropertySolver.applyKnowledgeBasedReductions(LTLPropertySolver.java:568)
at fr.lip6.move.gal.application.solver.ltl.LTLPropertySolver.checkLTLProperty(LTLPropertySolver.java:261)
at fr.lip6.move.gal.application.solver.ltl.LTLPropertySolver.runStutteringLTLTest(LTLPropertySolver.java:225)
at fr.lip6.move.gal.application.solver.ltl.LTLPropertySolver.runStructuralLTLCheck(LTLPropertySolver.java:76)
at fr.lip6.move.gal.application.Application.startNoEx(Application.java:762)
at fr.lip6.move.gal.application.Application.start(Application.java:178)
at fr.lip6.move.gal.itscl.application.Application.start(Application.java:45)
at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:203)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:136)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:104)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:402)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:255)
at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:77)
at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.base/java.lang.reflect.Method.invoke(Method.java:568)
at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:659)
at org.eclipse.equinox.launcher.Main.basicRun(Main.java:596)
at org.eclipse.equinox.launcher.Main.run(Main.java:1467)
at org.eclipse.equinox.launcher.Main.main(Main.java:1440)
[2023-03-17 09:30:34] [WARNING] SMT solver failed with error :SMT solver raised an error when submitting script.... while checking expressions.
[2023-03-17 09:30:34] [INFO ] After 25021ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0
Parikh walk visited 0 properties in 0 ms.
Support contains 2 out of 1381 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 1381/1381 places, 144369/144369 transitions.
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 0 with 1 rules applied. Total rules applied 1 place count 1380 transition count 144368
Applied a total of 1 rules in 1768 ms. Remains 1380 /1381 variables (removed 1) and now considering 144368/144369 (removed 1) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 1771 ms. Remains : 1380/1381 places, 144368/144369 transitions.
Incomplete random walk after 10000 steps, including 2 resets, run finished after 1306 ms. (steps per millisecond=7 ) properties (out of 1) seen :0
Incomplete Best-First random walk after 10000 steps, including 2 resets, run finished after 223 ms. (steps per millisecond=44 ) properties (out of 1) seen :0
Interrupted probabilistic random walk after 1771 steps, run timeout after 3002 ms. (steps per millisecond=0 ) properties seen :{}
Probabilistic random walk after 1771 steps, saw 1382 distinct states, run finished after 3004 ms. (steps per millisecond=0 ) properties seen :0
Running SMT prover for 1 properties.
[2023-03-17 09:30:41] [INFO ] Flow matrix only has 81237 transitions (discarded 63131 similar events)
// Phase 1: matrix 81237 rows 1380 cols
[2023-03-17 09:30:41] [INFO ] Computed 19 place invariants in 247 ms
[2023-03-17 09:30:41] [INFO ] [Real]Absence check using 19 positive place invariants in 14 ms returned sat
[2023-03-17 09:31:02] [INFO ] After 20201ms SMT Verify possible using state equation in real domain returned unsat :0 sat :1
[2023-03-17 09:31:02] [INFO ] State equation strengthened by 741 read => feed constraints.
java.lang.RuntimeException: SMT solver raised an error when submitting script. Raised (error "Failed to assert expression: java.io.IOException: Broken pipe ...
at fr.lip6.move.gal.structural.smt.SMTUtils.execAndCheckResult(SMTUtils.java:251)
at fr.lip6.move.gal.structural.smt.DeadlockTester.verifyPossible(DeadlockTester.java:642)
at fr.lip6.move.gal.structural.smt.DeadlockTester.testUnreachableWithSMTIncremental(DeadlockTester.java:339)
at fr.lip6.move.gal.structural.smt.DeadlockTester.testUnreachableWithSMT(DeadlockTester.java:223)
at fr.lip6.move.gal.application.solver.ReachabilitySolver.applyReductions(ReachabilitySolver.java:95)
at fr.lip6.move.gal.application.solver.ltl.LTLPropertySolver.addInvarianceKnowledge(LTLPropertySolver.java:701)
at fr.lip6.move.gal.application.solver.ltl.LTLPropertySolver.applyKnowledgeBasedReductions(LTLPropertySolver.java:568)
at fr.lip6.move.gal.application.solver.ltl.LTLPropertySolver.checkLTLProperty(LTLPropertySolver.java:261)
at fr.lip6.move.gal.application.solver.ltl.LTLPropertySolver.runStutteringLTLTest(LTLPropertySolver.java:225)
at fr.lip6.move.gal.application.solver.ltl.LTLPropertySolver.runStructuralLTLCheck(LTLPropertySolver.java:76)
at fr.lip6.move.gal.application.Application.startNoEx(Application.java:762)
at fr.lip6.move.gal.application.Application.start(Application.java:178)
at fr.lip6.move.gal.itscl.application.Application.start(Application.java:45)
at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:203)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:136)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:104)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:402)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:255)
at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:77)
at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.base/java.lang.reflect.Method.invoke(Method.java:568)
at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:659)
at org.eclipse.equinox.launcher.Main.basicRun(Main.java:596)
at org.eclipse.equinox.launcher.Main.run(Main.java:1467)
at org.eclipse.equinox.launcher.Main.main(Main.java:1440)
[2023-03-17 09:31:06] [WARNING] SMT solver failed with error :SMT solver raised an error when submitting script.... while checking expressions.
[2023-03-17 09:31:06] [INFO ] After 25021ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0
Parikh walk visited 0 properties in 0 ms.
Support contains 2 out of 1380 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 1380/1380 places, 144368/144368 transitions.
Applied a total of 0 rules in 910 ms. Remains 1380 /1380 variables (removed 0) and now considering 144368/144368 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 910 ms. Remains : 1380/1380 places, 144368/144368 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 1380/1380 places, 144368/144368 transitions.
Applied a total of 0 rules in 905 ms. Remains 1380 /1380 variables (removed 0) and now considering 144368/144368 (removed 0) transitions.
[2023-03-17 09:31:08] [INFO ] Flow matrix only has 81237 transitions (discarded 63131 similar events)
[2023-03-17 09:31:08] [INFO ] Invariant cache hit.
[2023-03-17 09:31:16] [INFO ] Implicit Places using invariants in 7894 ms returned []
Implicit Place search using SMT only with invariants took 7895 ms to find 0 implicit places.
[2023-03-17 09:31:16] [INFO ] Flow matrix only has 81237 transitions (discarded 63131 similar events)
[2023-03-17 09:31:16] [INFO ] Invariant cache hit.
[2023-03-17 09:31:46] [INFO ] Performed 89933/144368 'is it Dead' test of which 0 returned DEAD in 30 seconds.
[2023-03-17 09:32:05] [INFO ] Dead Transitions using invariants and state equation in 49562 ms found 0 transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 58377 ms. Remains : 1380/1380 places, 144368/144368 transitions.
Knowledge obtained : [p0, (X p0), (X (X p0)), true]
False Knowledge obtained : []
Knowledge based reduction with 4 factoid took 187 ms. Reduced automaton from 3 states, 4 edges and 1 AP (stutter sensitive) to 3 states, 4 edges and 1 AP (stutter sensitive).
Stuttering acceptance computed with spot in 87 ms :[true, (NOT p0), (NOT p0)]
Stuttering acceptance computed with spot in 82 ms :[true, (NOT p0), (NOT p0)]
Stuttering acceptance computed with spot in 96 ms :[true, (NOT p0), (NOT p0)]
Product exploration explored 100000 steps with 0 reset in 8751 ms.
Product exploration explored 100000 steps with 0 reset in 8730 ms.
Applying partial POR strategy [true, false, true]
Stuttering acceptance computed with spot in 98 ms :[true, (NOT p0), (NOT p0)]
Support contains 2 out of 1381 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 1381/1381 places, 144369/144369 transitions.
Applied a total of 0 rules in 1074 ms. Remains 1381 /1381 variables (removed 0) and now considering 144369/144369 (removed 0) transitions.
[2023-03-17 09:32:25] [INFO ] Flow matrix only has 81238 transitions (discarded 63131 similar events)
// Phase 1: matrix 81238 rows 1381 cols
[2023-03-17 09:32:25] [INFO ] Computed 19 place invariants in 348 ms
[2023-03-17 09:32:56] [INFO ] Performed 84655/144369 'is it Dead' test of which 0 returned DEAD in 30 seconds.
[2023-03-17 09:33:16] [INFO ] Dead Transitions using invariants and state equation in 51319 ms found 0 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 52397 ms. Remains : 1381/1381 places, 144369/144369 transitions.
Support contains 2 out of 1381 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 1381/1381 places, 144369/144369 transitions.
Applied a total of 0 rules in 474 ms. Remains 1381 /1381 variables (removed 0) and now considering 144369/144369 (removed 0) transitions.
[2023-03-17 09:33:17] [INFO ] Flow matrix only has 81238 transitions (discarded 63131 similar events)
[2023-03-17 09:33:17] [INFO ] Invariant cache hit.
[2023-03-17 09:33:25] [INFO ] Implicit Places using invariants in 8449 ms returned []
Implicit Place search using SMT only with invariants took 8450 ms to find 0 implicit places.
[2023-03-17 09:33:25] [INFO ] Flow matrix only has 81238 transitions (discarded 63131 similar events)
[2023-03-17 09:33:26] [INFO ] Invariant cache hit.
[2023-03-17 09:33:56] [INFO ] Performed 84872/144369 'is it Dead' test of which 0 returned DEAD in 30 seconds.
[2023-03-17 09:34:17] [INFO ] Dead Transitions using invariants and state equation in 51352 ms found 0 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 60280 ms. Remains : 1381/1381 places, 144369/144369 transitions.
Treatment of property RERS17pb115-PT-1-LTLFireability-00 finished in 515227 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202303021504/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(F(p0)))'
Support contains 4 out of 1381 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 1381/1381 places, 144369/144369 transitions.
Applied a total of 0 rules in 578 ms. Remains 1381 /1381 variables (removed 0) and now considering 144369/144369 (removed 0) transitions.
[2023-03-17 09:34:23] [INFO ] Flow matrix only has 81238 transitions (discarded 63131 similar events)
[2023-03-17 09:34:23] [INFO ] Invariant cache hit.
[2023-03-17 09:34:32] [INFO ] Implicit Places using invariants in 8616 ms returned []
Implicit Place search using SMT only with invariants took 8617 ms to find 0 implicit places.
[2023-03-17 09:34:32] [INFO ] Flow matrix only has 81238 transitions (discarded 63131 similar events)
[2023-03-17 09:34:32] [INFO ] Invariant cache hit.
[2023-03-17 09:35:02] [INFO ] Performed 85627/144369 'is it Dead' test of which 0 returned DEAD in 30 seconds.
[2023-03-17 09:35:23] [INFO ] Dead Transitions using invariants and state equation in 51151 ms found 0 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 60356 ms. Remains : 1381/1381 places, 144369/144369 transitions.
Stuttering acceptance computed with spot in 86 ms :[(NOT p0), (NOT p0)]
Running random walk in product with property : RERS17pb115-PT-1-LTLFireability-02 automaton TGBA Formula[mat=[[{ cond=true, acceptance={} source=0 dest: 1}], [{ cond=(NOT p0), acceptance={0} source=1 dest: 1}]], initial=0, aps=[p0:(AND (OR (EQ s897 0) (EQ s931 0)) (OR (EQ s20 0) (EQ s562 0)))], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, deterministic, no-univ-branch, unambiguous, semi-deterministic, stutter-sensitive, very-weak, weak, inherently-weak], stateDesc=[null, null][false, false]]
Product exploration timeout after 49660 steps with 24830 reset in 10001 ms.
Product exploration timeout after 56860 steps with 28430 reset in 10001 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 : [p0, (X p0), (X (X p0))]
False Knowledge obtained : []
Property proved to be true thanks to knowledge :(X p0)
Knowledge based reduction with 3 factoid took 78 ms. Reduced automaton from 2 states, 2 edges and 1 AP (stutter sensitive) to 1 states, 0 edges and 0 AP (stutter insensitive).
FORMULA RERS17pb115-PT-1-LTLFireability-02 TRUE TECHNIQUES KNOWLEDGE
Treatment of property RERS17pb115-PT-1-LTLFireability-02 finished in 81213 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)||(p1&&G((F(p1)&&F(G(p2))))))))'
Support contains 4 out of 1381 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 1381/1381 places, 144369/144369 transitions.
Reduce places removed 1 places and 1 transitions.
Applied a total of 0 rules in 905 ms. Remains 1380 /1381 variables (removed 1) and now considering 144368/144369 (removed 1) transitions.
[2023-03-17 09:35:45] [INFO ] Flow matrix only has 81237 transitions (discarded 63131 similar events)
// Phase 1: matrix 81237 rows 1380 cols
[2023-03-17 09:35:45] [INFO ] Computed 19 place invariants in 261 ms
[2023-03-17 09:35:53] [INFO ] Implicit Places using invariants in 8568 ms returned []
Implicit Place search using SMT only with invariants took 8569 ms to find 0 implicit places.
[2023-03-17 09:35:53] [INFO ] Flow matrix only has 81237 transitions (discarded 63131 similar events)
[2023-03-17 09:35:53] [INFO ] Invariant cache hit.
[2023-03-17 09:36:24] [INFO ] Performed 85704/144368 'is it Dead' test of which 0 returned DEAD in 30 seconds.
[2023-03-17 09:36:43] [INFO ] Dead Transitions using invariants and state equation in 50063 ms found 0 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 59539 ms. Remains : 1380/1381 places, 144368/144369 transitions.
Stuttering acceptance computed with spot in 152 ms :[(OR (AND (NOT p0) (NOT p1)) (AND (NOT p0) (NOT p2))), (AND (NOT p1) (NOT p0)), (AND (NOT p2) (NOT p0))]
Running random walk in product with property : RERS17pb115-PT-1-LTLFireability-04 automaton TGBA Formula[mat=[[{ cond=true, acceptance={} source=0 dest: 0}, { cond=(NOT p1), acceptance={} source=0 dest: 1}, { cond=(NOT p2), acceptance={} source=0 dest: 2}], [{ cond=(AND p0 (NOT p1)), acceptance={0} source=1 dest: 1}, { cond=(AND (NOT p0) (NOT p1)), acceptance={0, 1} source=1 dest: 1}], [{ cond=(AND p0 p2), acceptance={} source=2 dest: 2}, { cond=(AND p0 (NOT p2)), acceptance={0} source=2 dest: 2}, { cond=(AND (NOT p0) p2), acceptance={1} source=2 dest: 2}, { cond=(AND (NOT p0) (NOT p2)), acceptance={0, 1} source=2 dest: 2}]], initial=0, aps=[p1:(OR (EQ s191 0) (EQ s603 0)), p2:(OR (EQ s26 0) (EQ s808 0)), p0:(AND (EQ s26 1) (EQ s808 1))], nbAcceptance=2, properties=[trans-labels, explicit-labels, trans-acc, no-univ-branch, stutter-invariant], stateDesc=[null, null, null][true, true, true]]
Product exploration explored 100000 steps with 9 reset in 9097 ms.
Product exploration explored 100000 steps with 5 reset in 9073 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 p1 p2 (NOT p0)), (X (NOT (AND p0 (NOT p1)))), (X (NOT (AND p0 (NOT p2)))), (X (AND (NOT p0) p2)), (X (NOT (AND p0 p2))), (X (NOT (AND (NOT p0) (NOT p1)))), (X (NOT (AND (NOT p0) (NOT p2)))), (X (X (NOT (AND p0 (NOT p1))))), (X (X (NOT (AND p0 (NOT p2))))), (X (X (AND (NOT p0) p2))), (X (X (NOT (AND p0 p2)))), (X (X (NOT (AND (NOT p0) (NOT p1))))), (X (X (NOT (AND (NOT p0) (NOT p2)))))]
False Knowledge obtained : []
Knowledge based reduction with 13 factoid took 540 ms. Reduced automaton from 3 states, 9 edges and 3 AP (stutter insensitive) to 3 states, 9 edges and 3 AP (stutter insensitive).
Stuttering acceptance computed with spot in 115 ms :[(OR (AND (NOT p0) (NOT p1)) (AND (NOT p0) (NOT p2))), (AND (NOT p1) (NOT p0)), (AND (NOT p2) (NOT p0))]
Incomplete random walk after 10000 steps, including 2 resets, run finished after 1125 ms. (steps per millisecond=8 ) properties (out of 8) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 176 ms. (steps per millisecond=56 ) properties (out of 8) seen :0
Incomplete Best-First random walk after 10000 steps, including 2 resets, run finished after 123 ms. (steps per millisecond=81 ) properties (out of 8) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 178 ms. (steps per millisecond=56 ) properties (out of 8) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 181 ms. (steps per millisecond=55 ) properties (out of 8) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 124 ms. (steps per millisecond=80 ) properties (out of 8) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 124 ms. (steps per millisecond=80 ) properties (out of 8) seen :2
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 116 ms. (steps per millisecond=86 ) properties (out of 6) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 114 ms. (steps per millisecond=87 ) properties (out of 6) seen :0
Running SMT prover for 6 properties.
[2023-03-17 09:37:06] [INFO ] Flow matrix only has 81237 transitions (discarded 63131 similar events)
[2023-03-17 09:37:06] [INFO ] Invariant cache hit.
[2023-03-17 09:37:06] [INFO ] [Real]Absence check using 19 positive place invariants in 15 ms returned sat
[2023-03-17 09:37:28] [INFO ] After 21498ms SMT Verify possible using state equation in real domain returned unsat :3 sat :3
[2023-03-17 09:37:28] [INFO ] State equation strengthened by 741 read => feed constraints.
java.lang.RuntimeException: SMT solver raised an error when submitting script. Raised (error "Failed to assert expression: java.io.IOException: Broken pipe ...
at fr.lip6.move.gal.structural.smt.SMTUtils.execAndCheckResult(SMTUtils.java:251)
at fr.lip6.move.gal.structural.smt.DeadlockTester.verifyPossible(DeadlockTester.java:642)
at fr.lip6.move.gal.structural.smt.DeadlockTester.testUnreachableWithSMTIncremental(DeadlockTester.java:339)
at fr.lip6.move.gal.structural.smt.DeadlockTester.testUnreachableWithSMT(DeadlockTester.java:223)
at fr.lip6.move.gal.application.solver.ReachabilitySolver.applyReductions(ReachabilitySolver.java:95)
at fr.lip6.move.gal.application.solver.ltl.LTLPropertySolver.addInvarianceKnowledge(LTLPropertySolver.java:701)
at fr.lip6.move.gal.application.solver.ltl.LTLPropertySolver.applyKnowledgeBasedReductions(LTLPropertySolver.java:568)
at fr.lip6.move.gal.application.solver.ltl.LTLPropertySolver.checkLTLProperty(LTLPropertySolver.java:251)
at fr.lip6.move.gal.application.solver.ltl.LTLPropertySolver.runStutteringLTLTest(LTLPropertySolver.java:225)
at fr.lip6.move.gal.application.solver.ltl.LTLPropertySolver.runStructuralLTLCheck(LTLPropertySolver.java:76)
at fr.lip6.move.gal.application.Application.startNoEx(Application.java:762)
at fr.lip6.move.gal.application.Application.start(Application.java:178)
at fr.lip6.move.gal.itscl.application.Application.start(Application.java:45)
at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:203)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:136)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:104)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:402)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:255)
at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:77)
at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.base/java.lang.reflect.Method.invoke(Method.java:568)
at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:659)
at org.eclipse.equinox.launcher.Main.basicRun(Main.java:596)
at org.eclipse.equinox.launcher.Main.run(Main.java:1467)
at org.eclipse.equinox.launcher.Main.main(Main.java:1440)
[2023-03-17 09:37:31] [WARNING] SMT solver failed with error :SMT solver raised an error when submitting script.... while checking expressions.
[2023-03-17 09:37:31] [INFO ] After 25025ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0
Fused 6 Parikh solutions to 1 different solutions.
Parikh walk visited 0 properties in 0 ms.
Support contains 2 out of 1380 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 1380/1380 places, 144368/144368 transitions.
Applied a total of 0 rules in 937 ms. Remains 1380 /1380 variables (removed 0) and now considering 144368/144368 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 940 ms. Remains : 1380/1380 places, 144368/144368 transitions.
Incomplete random walk after 10000 steps, including 2 resets, run finished after 1087 ms. (steps per millisecond=9 ) properties (out of 3) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 116 ms. (steps per millisecond=86 ) properties (out of 3) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 118 ms. (steps per millisecond=84 ) properties (out of 3) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 118 ms. (steps per millisecond=84 ) properties (out of 3) seen :0
Interrupted probabilistic random walk after 2651 steps, run timeout after 3002 ms. (steps per millisecond=0 ) properties seen :{}
Probabilistic random walk after 2651 steps, saw 2080 distinct states, run finished after 3002 ms. (steps per millisecond=0 ) properties seen :0
Running SMT prover for 3 properties.
[2023-03-17 09:37:37] [INFO ] Flow matrix only has 81237 transitions (discarded 63131 similar events)
[2023-03-17 09:37:37] [INFO ] Invariant cache hit.
[2023-03-17 09:37:37] [INFO ] [Real]Absence check using 19 positive place invariants in 15 ms returned sat
[2023-03-17 09:37:58] [INFO ] After 21237ms SMT Verify possible using state equation in real domain returned unsat :0 sat :3
[2023-03-17 09:37:59] [INFO ] State equation strengthened by 741 read => feed constraints.
java.lang.RuntimeException: SMT solver raised an error when submitting script. Raised (error "Failed to assert expression: java.io.IOException: Broken pipe ...
at fr.lip6.move.gal.structural.smt.SMTUtils.execAndCheckResult(SMTUtils.java:251)
at fr.lip6.move.gal.structural.smt.DeadlockTester.verifyPossible(DeadlockTester.java:642)
at fr.lip6.move.gal.structural.smt.DeadlockTester.testUnreachableWithSMTIncremental(DeadlockTester.java:339)
at fr.lip6.move.gal.structural.smt.DeadlockTester.testUnreachableWithSMT(DeadlockTester.java:223)
at fr.lip6.move.gal.application.solver.ReachabilitySolver.applyReductions(ReachabilitySolver.java:95)
at fr.lip6.move.gal.application.solver.ltl.LTLPropertySolver.addInvarianceKnowledge(LTLPropertySolver.java:701)
at fr.lip6.move.gal.application.solver.ltl.LTLPropertySolver.applyKnowledgeBasedReductions(LTLPropertySolver.java:568)
at fr.lip6.move.gal.application.solver.ltl.LTLPropertySolver.checkLTLProperty(LTLPropertySolver.java:251)
at fr.lip6.move.gal.application.solver.ltl.LTLPropertySolver.runStutteringLTLTest(LTLPropertySolver.java:225)
at fr.lip6.move.gal.application.solver.ltl.LTLPropertySolver.runStructuralLTLCheck(LTLPropertySolver.java:76)
at fr.lip6.move.gal.application.Application.startNoEx(Application.java:762)
at fr.lip6.move.gal.application.Application.start(Application.java:178)
at fr.lip6.move.gal.itscl.application.Application.start(Application.java:45)
at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:203)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:136)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:104)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:402)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:255)
at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:77)
at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.base/java.lang.reflect.Method.invoke(Method.java:568)
at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:659)
at org.eclipse.equinox.launcher.Main.basicRun(Main.java:596)
at org.eclipse.equinox.launcher.Main.run(Main.java:1467)
at org.eclipse.equinox.launcher.Main.main(Main.java:1440)
[2023-03-17 09:38:02] [WARNING] SMT solver failed with error :SMT solver raised an error when submitting script.... while checking expressions.
[2023-03-17 09:38:02] [INFO ] After 25029ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0
Fused 3 Parikh solutions to 1 different solutions.
Parikh walk visited 0 properties in 0 ms.
Support contains 2 out of 1380 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 1380/1380 places, 144368/144368 transitions.
Applied a total of 0 rules in 1118 ms. Remains 1380 /1380 variables (removed 0) and now considering 144368/144368 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 1118 ms. Remains : 1380/1380 places, 144368/144368 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 1380/1380 places, 144368/144368 transitions.
Applied a total of 0 rules in 1067 ms. Remains 1380 /1380 variables (removed 0) and now considering 144368/144368 (removed 0) transitions.
[2023-03-17 09:38:04] [INFO ] Flow matrix only has 81237 transitions (discarded 63131 similar events)
[2023-03-17 09:38:04] [INFO ] Invariant cache hit.
[2023-03-17 09:38:12] [INFO ] Implicit Places using invariants in 8256 ms returned []
Implicit Place search using SMT only with invariants took 8257 ms to find 0 implicit places.
[2023-03-17 09:38:12] [INFO ] Flow matrix only has 81237 transitions (discarded 63131 similar events)
[2023-03-17 09:38:12] [INFO ] Invariant cache hit.
[2023-03-17 09:38:42] [INFO ] Performed 83993/144368 'is it Dead' test of which 0 returned DEAD in 30 seconds.
[2023-03-17 09:39:03] [INFO ] Dead Transitions using invariants and state equation in 50487 ms found 0 transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 59827 ms. Remains : 1380/1380 places, 144368/144368 transitions.
Found 3 invariant AP formulas.
Knowledge obtained : [(AND p1 p2 (NOT p0)), (X (NOT (AND p0 (NOT p1)))), (X (NOT (AND p0 (NOT p2)))), (X (AND (NOT p0) p2)), (X (NOT (AND p0 p2))), (X (NOT (AND (NOT p0) (NOT p1)))), (X (NOT (AND (NOT p0) (NOT p2)))), (X (X (NOT (AND p0 (NOT p1))))), (X (X (NOT (AND p0 (NOT p2))))), (X (X (AND (NOT p0) p2))), (X (X (NOT (AND p0 p2)))), (X (X (NOT (AND (NOT p0) (NOT p1))))), (X (X (NOT (AND (NOT p0) (NOT p2))))), (G (NOT (AND p0 p2))), (G (NOT (AND (NOT p1) p0))), (G (NOT (AND (NOT p0) (NOT p2))))]
False Knowledge obtained : [(F (AND (NOT p1) (NOT p0))), (F (NOT p1))]
Knowledge based reduction with 16 factoid took 682 ms. Reduced automaton from 3 states, 9 edges and 3 AP (stutter insensitive) to 3 states, 7 edges and 3 AP (stutter insensitive).
Stuttering acceptance computed with spot in 203 ms :[(OR (AND (NOT p1) p2) (AND p0 (NOT p1)) (AND p0 p2)), (AND (NOT p1) p2), (OR (AND (NOT p0) (NOT p2)) (AND p0 (NOT p1)) (AND p0 p2))]
Stuttering acceptance computed with spot in 90 ms :[(OR (AND (NOT p1) p2) (AND p0 (NOT p1)) (AND p0 p2)), (AND (NOT p1) p2), (OR (AND (NOT p0) (NOT p2)) (AND p0 (NOT p1)) (AND p0 p2))]
Support contains 4 out of 1380 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 1380/1380 places, 144368/144368 transitions.
Applied a total of 0 rules in 828 ms. Remains 1380 /1380 variables (removed 0) and now considering 144368/144368 (removed 0) transitions.
[2023-03-17 09:39:05] [INFO ] Flow matrix only has 81237 transitions (discarded 63131 similar events)
[2023-03-17 09:39:05] [INFO ] Invariant cache hit.
[2023-03-17 09:39:13] [INFO ] Implicit Places using invariants in 8372 ms returned []
Implicit Place search using SMT only with invariants took 8373 ms to find 0 implicit places.
[2023-03-17 09:39:13] [INFO ] Flow matrix only has 81237 transitions (discarded 63131 similar events)
[2023-03-17 09:39:13] [INFO ] Invariant cache hit.
[2023-03-17 09:39:43] [INFO ] Performed 89878/144368 'is it Dead' test of which 0 returned DEAD in 30 seconds.
[2023-03-17 09:40:01] [INFO ] Dead Transitions using invariants and state equation in 48232 ms found 0 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 57437 ms. Remains : 1380/1380 places, 144368/144368 transitions.
Computed a total of 0 stabilizing places and 0 stable transitions
Computed a total of 0 stabilizing places and 0 stable transitions
Knowledge obtained : [(AND p1 p2 (NOT p0)), (X (NOT (AND p1 p0 (NOT p2)))), (X (NOT (AND (NOT p1) p2))), (X (AND (NOT p0) p2)), (X (NOT (OR (AND (NOT p1) (NOT p2)) (AND (NOT p0) (NOT p2)) (AND p0 p2)))), (X (X (NOT (AND p1 p0 (NOT p2))))), (X (X (NOT (AND (NOT p1) p2)))), (X (X (AND (NOT p0) p2))), (X (X (NOT (OR (AND (NOT p1) (NOT p2)) (AND (NOT p0) (NOT p2)) (AND p0 p2)))))]
False Knowledge obtained : []
Knowledge based reduction with 9 factoid took 421 ms. Reduced automaton from 3 states, 7 edges and 3 AP (stutter insensitive) to 3 states, 7 edges and 3 AP (stutter insensitive).
Stuttering acceptance computed with spot in 119 ms :[(OR (AND (NOT p1) p2) (AND p0 (NOT p1)) (AND p0 p2)), (AND (NOT p1) p2), (OR (AND (NOT p0) (NOT p2)) (AND p0 (NOT p1)) (AND p0 p2))]
Incomplete random walk after 10000 steps, including 2 resets, run finished after 1043 ms. (steps per millisecond=9 ) properties (out of 5) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 162 ms. (steps per millisecond=61 ) properties (out of 5) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 108 ms. (steps per millisecond=92 ) properties (out of 5) seen :0
Incomplete Best-First random walk after 10000 steps, including 2 resets, run finished after 112 ms. (steps per millisecond=89 ) properties (out of 5) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 113 ms. (steps per millisecond=88 ) properties (out of 5) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 116 ms. (steps per millisecond=86 ) properties (out of 5) seen :0
Interrupted probabilistic random walk after 2598 steps, run timeout after 3006 ms. (steps per millisecond=0 ) properties seen :{}
Probabilistic random walk after 2598 steps, saw 2041 distinct states, run finished after 3006 ms. (steps per millisecond=0 ) properties seen :0
Running SMT prover for 5 properties.
[2023-03-17 09:40:08] [INFO ] Flow matrix only has 81237 transitions (discarded 63131 similar events)
[2023-03-17 09:40:08] [INFO ] Invariant cache hit.
[2023-03-17 09:40:08] [INFO ] [Real]Absence check using 19 positive place invariants in 16 ms returned sat
[2023-03-17 09:40:29] [INFO ] After 21006ms SMT Verify possible using state equation in real domain returned unsat :1 sat :3 real:1
[2023-03-17 09:40:30] [INFO ] State equation strengthened by 741 read => feed constraints.
java.lang.RuntimeException: SMT solver raised an error when submitting script. Raised (error "Failed to assert expression: java.io.IOException: Stream close...
at fr.lip6.move.gal.structural.smt.SMTUtils.execAndCheckResult(SMTUtils.java:251)
at fr.lip6.move.gal.structural.smt.DeadlockTester.verifyPossible(DeadlockTester.java:642)
at fr.lip6.move.gal.structural.smt.DeadlockTester.testUnreachableWithSMTIncremental(DeadlockTester.java:339)
at fr.lip6.move.gal.structural.smt.DeadlockTester.testUnreachableWithSMT(DeadlockTester.java:223)
at fr.lip6.move.gal.application.solver.ReachabilitySolver.applyReductions(ReachabilitySolver.java:95)
at fr.lip6.move.gal.application.solver.ltl.LTLPropertySolver.addInvarianceKnowledge(LTLPropertySolver.java:701)
at fr.lip6.move.gal.application.solver.ltl.LTLPropertySolver.applyKnowledgeBasedReductions(LTLPropertySolver.java:568)
at fr.lip6.move.gal.application.solver.ltl.LTLPropertySolver.checkLTLProperty(LTLPropertySolver.java:261)
at fr.lip6.move.gal.application.solver.ltl.LTLPropertySolver.runStutteringLTLTest(LTLPropertySolver.java:225)
at fr.lip6.move.gal.application.solver.ltl.LTLPropertySolver.runStructuralLTLCheck(LTLPropertySolver.java:76)
at fr.lip6.move.gal.application.Application.startNoEx(Application.java:762)
at fr.lip6.move.gal.application.Application.start(Application.java:178)
at fr.lip6.move.gal.itscl.application.Application.start(Application.java:45)
at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:203)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:136)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:104)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:402)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:255)
at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:77)
at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.base/java.lang.reflect.Method.invoke(Method.java:568)
at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:659)
at org.eclipse.equinox.launcher.Main.basicRun(Main.java:596)
at org.eclipse.equinox.launcher.Main.run(Main.java:1467)
at org.eclipse.equinox.launcher.Main.main(Main.java:1440)
[2023-03-17 09:40:33] [WARNING] SMT solver failed with error :SMT solver raised an error when submitting script.... while checking expressions.
[2023-03-17 09:40:33] [INFO ] After 25020ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0
Fused 5 Parikh solutions to 1 different solutions.
Parikh walk visited 0 properties in 0 ms.
Support contains 4 out of 1380 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 1380/1380 places, 144368/144368 transitions.
Applied a total of 0 rules in 908 ms. Remains 1380 /1380 variables (removed 0) and now considering 144368/144368 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 911 ms. Remains : 1380/1380 places, 144368/144368 transitions.
Incomplete random walk after 10000 steps, including 2 resets, run finished after 1076 ms. (steps per millisecond=9 ) properties (out of 4) seen :1
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 114 ms. (steps per millisecond=87 ) properties (out of 3) seen :0
Incomplete Best-First random walk after 10000 steps, including 2 resets, run finished after 113 ms. (steps per millisecond=88 ) properties (out of 3) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 106 ms. (steps per millisecond=94 ) properties (out of 3) seen :0
Running SMT prover for 3 properties.
[2023-03-17 09:40:35] [INFO ] Flow matrix only has 81237 transitions (discarded 63131 similar events)
[2023-03-17 09:40:35] [INFO ] Invariant cache hit.
[2023-03-17 09:40:36] [INFO ] [Real]Absence check using 19 positive place invariants in 16 ms returned sat
[2023-03-17 09:40:36] [INFO ] After 293ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:3
[2023-03-17 09:40:36] [INFO ] [Nat]Absence check using 19 positive place invariants in 19 ms returned sat
[2023-03-17 09:40:58] [INFO ] After 21525ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :3
[2023-03-17 09:40:58] [INFO ] State equation strengthened by 741 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)
[2023-03-17 09:41:01] [WARNING] SMT solver failed with error :SMT solver raised an error when submitting script.... while checking expressions.
[2023-03-17 09:41:01] [INFO ] After 25023ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :0 real:3
Fused 3 Parikh solutions to 1 different solutions.
Parikh walk visited 0 properties in 0 ms.
Support contains 4 out of 1380 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 1380/1380 places, 144368/144368 transitions.
Applied a total of 0 rules in 904 ms. Remains 1380 /1380 variables (removed 0) and now considering 144368/144368 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 904 ms. Remains : 1380/1380 places, 144368/144368 transitions.
Incomplete random walk after 10000 steps, including 2 resets, run finished after 1054 ms. (steps per millisecond=9 ) properties (out of 3) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 110 ms. (steps per millisecond=90 ) properties (out of 3) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 109 ms. (steps per millisecond=91 ) properties (out of 3) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 112 ms. (steps per millisecond=89 ) properties (out of 3) seen :0
Interrupted probabilistic random walk after 2014 steps, run timeout after 3005 ms. (steps per millisecond=0 ) properties seen :{}
Probabilistic random walk after 2014 steps, saw 1567 distinct states, run finished after 3005 ms. (steps per millisecond=0 ) properties seen :0
Running SMT prover for 3 properties.
[2023-03-17 09:41:06] [INFO ] Flow matrix only has 81237 transitions (discarded 63131 similar events)
[2023-03-17 09:41:06] [INFO ] Invariant cache hit.
[2023-03-17 09:41:07] [INFO ] [Real]Absence check using 19 positive place invariants in 15 ms returned sat
[2023-03-17 09:41:07] [INFO ] After 277ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:3
[2023-03-17 09:41:07] [INFO ] [Nat]Absence check using 19 positive place invariants in 15 ms returned sat
[2023-03-17 09:41:29] [INFO ] After 21543ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :3
[2023-03-17 09:41:29] [INFO ] State equation strengthened by 741 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)
[2023-03-17 09:41:32] [WARNING] SMT solver failed with error :SMT solver raised an error when submitting script.... while checking expressions.
[2023-03-17 09:41:32] [INFO ] After 25015ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :0 real:3
Fused 3 Parikh solutions to 1 different solutions.
Parikh walk visited 0 properties in 0 ms.
Support contains 4 out of 1380 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 1380/1380 places, 144368/144368 transitions.
Applied a total of 0 rules in 922 ms. Remains 1380 /1380 variables (removed 0) and now considering 144368/144368 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 922 ms. Remains : 1380/1380 places, 144368/144368 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 1380/1380 places, 144368/144368 transitions.
Applied a total of 0 rules in 919 ms. Remains 1380 /1380 variables (removed 0) and now considering 144368/144368 (removed 0) transitions.
[2023-03-17 09:41:34] [INFO ] Flow matrix only has 81237 transitions (discarded 63131 similar events)
[2023-03-17 09:41:34] [INFO ] Invariant cache hit.
[2023-03-17 09:41:42] [INFO ] Implicit Places using invariants in 8117 ms returned []
Implicit Place search using SMT only with invariants took 8117 ms to find 0 implicit places.
[2023-03-17 09:41:42] [INFO ] Flow matrix only has 81237 transitions (discarded 63131 similar events)
[2023-03-17 09:41:42] [INFO ] Invariant cache hit.
[2023-03-17 09:42:12] [INFO ] Performed 87662/144368 'is it Dead' test of which 0 returned DEAD in 30 seconds.
[2023-03-17 09:42:31] [INFO ] Dead Transitions using invariants and state equation in 49580 ms found 0 transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 58628 ms. Remains : 1380/1380 places, 144368/144368 transitions.
Found 1 invariant AP formulas.
Knowledge obtained : [(AND p1 p2 (NOT p0)), (X (NOT (AND p1 p0 (NOT p2)))), (X (NOT (AND (NOT p1) p2))), (X (AND (NOT p0) p2)), (X (NOT (OR (AND (NOT p1) (NOT p2)) (AND (NOT p0) (NOT p2)) (AND p0 p2)))), (X (X (NOT (AND p1 p0 (NOT p2))))), (X (X (NOT (AND (NOT p1) p2)))), (X (X (AND (NOT p0) p2))), (X (X (NOT (OR (AND (NOT p1) (NOT p2)) (AND (NOT p0) (NOT p2)) (AND p0 p2))))), (G (NOT (OR (AND (NOT p1) p0) (AND (NOT p2) (NOT p0)) (AND p2 p0))))]
False Knowledge obtained : [(F (AND (NOT p1) p2))]
Knowledge based reduction with 10 factoid took 464 ms. Reduced automaton from 3 states, 7 edges and 3 AP (stutter insensitive) to 3 states, 6 edges and 2 AP (stutter insensitive).
Stuttering acceptance computed with spot in 97 ms :[(NOT p1), (NOT p1), false]
Stuttering acceptance computed with spot in 95 ms :[(NOT p1), (NOT p1), false]
Stuttering acceptance computed with spot in 81 ms :[(NOT p1), (NOT p1), false]
Product exploration explored 100000 steps with 4 reset in 8631 ms.
Product exploration explored 100000 steps with 3 reset in 8815 ms.
Support contains 4 out of 1380 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 1380/1380 places, 144368/144368 transitions.
Applied a total of 0 rules in 838 ms. Remains 1380 /1380 variables (removed 0) and now considering 144368/144368 (removed 0) transitions.
[2023-03-17 09:42:51] [INFO ] Flow matrix only has 81237 transitions (discarded 63131 similar events)
[2023-03-17 09:42:51] [INFO ] Invariant cache hit.
[2023-03-17 09:42:59] [INFO ] Implicit Places using invariants in 8615 ms returned []
Implicit Place search using SMT only with invariants took 8616 ms to find 0 implicit places.
[2023-03-17 09:42:59] [INFO ] Flow matrix only has 81237 transitions (discarded 63131 similar events)
[2023-03-17 09:42:59] [INFO ] Invariant cache hit.
[2023-03-17 09:43:30] [INFO ] Performed 89814/144368 'is it Dead' test of which 0 returned DEAD in 30 seconds.
[2023-03-17 09:43:48] [INFO ] Dead Transitions using invariants and state equation in 48375 ms found 0 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 57838 ms. Remains : 1380/1380 places, 144368/144368 transitions.
Treatment of property RERS17pb115-PT-1-LTLFireability-04 finished in 489075 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202303021504/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(F(G(p0)))'
Support contains 2 out of 1381 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 1381/1381 places, 144369/144369 transitions.
Reduce places removed 1 places and 1 transitions.
Applied a total of 0 rules in 1024 ms. Remains 1380 /1381 variables (removed 1) and now considering 144368/144369 (removed 1) transitions.
[2023-03-17 09:43:54] [INFO ] Flow matrix only has 81237 transitions (discarded 63131 similar events)
[2023-03-17 09:43:54] [INFO ] Invariant cache hit.
[2023-03-17 09:44:03] [INFO ] Implicit Places using invariants in 8824 ms returned []
Implicit Place search using SMT only with invariants took 8824 ms to find 0 implicit places.
[2023-03-17 09:44:03] [INFO ] Flow matrix only has 81237 transitions (discarded 63131 similar events)
[2023-03-17 09:44:03] [INFO ] Invariant cache hit.
[2023-03-17 09:44:33] [INFO ] Performed 90774/144368 'is it Dead' test of which 0 returned DEAD in 30 seconds.
[2023-03-17 09:44:51] [INFO ] Dead Transitions using invariants and state equation in 47993 ms found 0 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 57847 ms. Remains : 1380/1381 places, 144368/144369 transitions.
Stuttering acceptance computed with spot in 35 ms :[(NOT p0)]
Running random walk in product with property : RERS17pb115-PT-1-LTLFireability-06 automaton TGBA Formula[mat=[[{ cond=p0, acceptance={} source=0 dest: 0}, { cond=(NOT p0), acceptance={0} source=0 dest: 0}]], initial=0, aps=[p0:(AND (EQ s385 1) (EQ s426 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 8363 ms.
Product exploration explored 100000 steps with 0 reset in 8337 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 109 ms. Reduced automaton from 1 states, 2 edges and 1 AP (stutter insensitive) to 1 states, 2 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 29 ms :[(NOT p0)]
Incomplete random walk after 10000 steps, including 2 resets, run finished after 891 ms. (steps per millisecond=11 ) properties (out of 1) seen :0
Finished Best-First random walk after 4446 steps, including 1 resets, run visited all 1 properties in 50 ms. (steps per millisecond=88 )
Knowledge obtained : [(NOT p0), (X (NOT p0)), (X (X (NOT p0)))]
False Knowledge obtained : [(F p0)]
Knowledge based reduction with 3 factoid took 121 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 25 ms :[(NOT p0)]
Stuttering acceptance computed with spot in 24 ms :[(NOT p0)]
[2023-03-17 09:45:10] [INFO ] Flow matrix only has 81237 transitions (discarded 63131 similar events)
[2023-03-17 09:45:10] [INFO ] Invariant cache hit.
Could not prove EG (NOT p0)
Support contains 2 out of 1380 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 1380/1380 places, 144368/144368 transitions.
Applied a total of 0 rules in 904 ms. Remains 1380 /1380 variables (removed 0) and now considering 144368/144368 (removed 0) transitions.
[2023-03-17 09:45:26] [INFO ] Flow matrix only has 81237 transitions (discarded 63131 similar events)
[2023-03-17 09:45:26] [INFO ] Invariant cache hit.
[2023-03-17 09:45:34] [INFO ] Implicit Places using invariants in 7787 ms returned []
Implicit Place search using SMT only with invariants took 7789 ms to find 0 implicit places.
[2023-03-17 09:45:34] [INFO ] Flow matrix only has 81237 transitions (discarded 63131 similar events)
[2023-03-17 09:45:34] [INFO ] Invariant cache hit.
[2023-03-17 09:46:04] [INFO ] Performed 90085/144368 'is it Dead' test of which 0 returned DEAD in 30 seconds.
[2023-03-17 09:46:23] [INFO ] Dead Transitions using invariants and state equation in 49149 ms found 0 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 57845 ms. Remains : 1380/1380 places, 144368/144368 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 116 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)]
Finished random walk after 807 steps, including 0 resets, run visited all 1 properties in 105 ms. (steps per millisecond=7 )
Knowledge obtained : [(NOT p0), (X (NOT p0)), (X (X (NOT p0)))]
False Knowledge obtained : [(F p0)]
Knowledge based reduction with 3 factoid took 135 ms. Reduced automaton from 1 states, 2 edges and 1 AP (stutter insensitive) to 1 states, 2 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 26 ms :[(NOT p0)]
Stuttering acceptance computed with spot in 33 ms :[(NOT p0)]
[2023-03-17 09:46:25] [INFO ] Flow matrix only has 81237 transitions (discarded 63131 similar events)
[2023-03-17 09:46:25] [INFO ] Invariant cache hit.
Could not prove EG (NOT p0)
Stuttering acceptance computed with spot in 43 ms :[(NOT p0)]
Product exploration explored 100000 steps with 0 reset in 8487 ms.
Product exploration explored 100000 steps with 0 reset in 8542 ms.
Support contains 2 out of 1380 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 1380/1380 places, 144368/144368 transitions.
Applied a total of 0 rules in 830 ms. Remains 1380 /1380 variables (removed 0) and now considering 144368/144368 (removed 0) transitions.
[2023-03-17 09:46:58] [INFO ] Flow matrix only has 81237 transitions (discarded 63131 similar events)
[2023-03-17 09:46:58] [INFO ] Invariant cache hit.
[2023-03-17 09:47:07] [INFO ] Implicit Places using invariants in 8199 ms returned []
Implicit Place search using SMT only with invariants took 8201 ms to find 0 implicit places.
[2023-03-17 09:47:07] [INFO ] Flow matrix only has 81237 transitions (discarded 63131 similar events)
[2023-03-17 09:47:07] [INFO ] Invariant cache hit.
[2023-03-17 09:47:37] [INFO ] Performed 87367/144368 'is it Dead' test of which 0 returned DEAD in 30 seconds.
[2023-03-17 09:47:57] [INFO ] Dead Transitions using invariants and state equation in 50579 ms found 0 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 59613 ms. Remains : 1380/1380 places, 144368/144368 transitions.
Treatment of property RERS17pb115-PT-1-LTLFireability-06 finished in 250143 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(p1) U (X(!p3)&&p2))||p0)))'
Support contains 6 out of 1381 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 1381/1381 places, 144369/144369 transitions.
Applied a total of 0 rules in 520 ms. Remains 1381 /1381 variables (removed 0) and now considering 144369/144369 (removed 0) transitions.
[2023-03-17 09:48:04] [INFO ] Flow matrix only has 81238 transitions (discarded 63131 similar events)
// Phase 1: matrix 81238 rows 1381 cols
[2023-03-17 09:48:04] [INFO ] Computed 19 place invariants in 250 ms
[2023-03-17 09:48:12] [INFO ] Implicit Places using invariants in 8491 ms returned []
Implicit Place search using SMT only with invariants took 8493 ms to find 0 implicit places.
[2023-03-17 09:48:12] [INFO ] Flow matrix only has 81238 transitions (discarded 63131 similar events)
[2023-03-17 09:48:12] [INFO ] Invariant cache hit.
[2023-03-17 09:48:42] [INFO ] Performed 90411/144369 'is it Dead' test of which 0 returned DEAD in 30 seconds.
[2023-03-17 09:49:00] [INFO ] Dead Transitions using invariants and state equation in 48240 ms found 0 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 57256 ms. Remains : 1381/1381 places, 144369/144369 transitions.
Stuttering acceptance computed with spot in 170 ms :[(OR (AND (NOT p0) (NOT p2)) (AND (NOT p0) p3)), p3, true, (OR (AND (NOT p0) (NOT p2)) (AND (NOT p0) p3)), (OR (NOT p1) (NOT p2) p3)]
Running random walk in product with property : RERS17pb115-PT-1-LTLFireability-07 automaton TGBA Formula[mat=[[{ cond=(AND (NOT p0) p2), acceptance={} source=0 dest: 1}, { cond=(AND (NOT p0) (NOT p2)), acceptance={} source=0 dest: 4}], [{ cond=(AND p2 p1 p3), acceptance={0} source=1 dest: 1}, { cond=(AND (NOT p1) p3), acceptance={0} source=1 dest: 2}, { cond=(AND (NOT p2) p1 p3), acceptance={0} source=1 dest: 4}], [{ cond=true, acceptance={0} source=2 dest: 2}], [{ cond=true, acceptance={} source=3 dest: 0}], [{ cond=(AND p2 p1), acceptance={0} source=4 dest: 1}, { cond=(NOT p1), acceptance={0} source=4 dest: 2}, { cond=(AND (NOT p2) p1), acceptance={0} source=4 dest: 4}]], initial=3, aps=[p0:(OR (EQ s471 0) (EQ s869 0)), p2:(AND (EQ s438 1) (EQ s604 1)), p1:(AND (EQ s471 1) (EQ s869 1)), p3:(AND (EQ s332 1) (EQ s773 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][false, false, false, false, false]]
Product exploration timeout after 57830 steps with 28915 reset in 10001 ms.
Product exploration timeout after 58530 steps with 29265 reset in 10001 ms.
Computed a total of 1 stabilizing places and 1 stable transitions
Computed a total of 1 stabilizing places and 1 stable transitions
Knowledge obtained : [(AND p0 (NOT p2) (NOT p1) (NOT p3)), (X (NOT (AND (NOT p0) p2))), (X (NOT (AND (NOT p0) (NOT p2)))), (X (X (NOT (AND (NOT p2) p1)))), (X (X (NOT (AND (NOT p1) p3)))), (X (X (NOT (AND p2 p1)))), (X (X (NOT p1))), (X (X (NOT (AND (NOT p2) p1 p3)))), (X (X (NOT (AND p2 p1 p3))))]
False Knowledge obtained : []
Property proved to be true thanks to knowledge :(X (NOT (AND (NOT p0) (NOT p2))))
Knowledge based reduction with 9 factoid took 154 ms. Reduced automaton from 5 states, 10 edges and 4 AP (stutter sensitive) to 1 states, 0 edges and 0 AP (stutter insensitive).
FORMULA RERS17pb115-PT-1-LTLFireability-07 TRUE TECHNIQUES KNOWLEDGE
Treatment of property RERS17pb115-PT-1-LTLFireability-07 finished in 78225 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202303021504/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X((F(G(p1))&&p0)))'
Support contains 2 out of 1381 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 1381/1381 places, 144369/144369 transitions.
Applied a total of 0 rules in 403 ms. Remains 1381 /1381 variables (removed 0) and now considering 144369/144369 (removed 0) transitions.
[2023-03-17 09:49:22] [INFO ] Flow matrix only has 81238 transitions (discarded 63131 similar events)
[2023-03-17 09:49:22] [INFO ] Invariant cache hit.
[2023-03-17 09:49:30] [INFO ] Implicit Places using invariants in 8146 ms returned []
Implicit Place search using SMT only with invariants took 8147 ms to find 0 implicit places.
[2023-03-17 09:49:30] [INFO ] Flow matrix only has 81238 transitions (discarded 63131 similar events)
[2023-03-17 09:49:30] [INFO ] Invariant cache hit.
[2023-03-17 09:50:00] [INFO ] Performed 90506/144369 'is it Dead' test of which 0 returned DEAD in 30 seconds.
[2023-03-17 09:50:18] [INFO ] Dead Transitions using invariants and state equation in 48478 ms found 0 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 57031 ms. Remains : 1381/1381 places, 144369/144369 transitions.
Stuttering acceptance computed with spot in 110 ms :[(OR (NOT p1) (NOT p0)), (OR (NOT p0) (NOT p1)), true, (NOT p1)]
Running random walk in product with property : RERS17pb115-PT-1-LTLFireability-08 automaton TGBA Formula[mat=[[{ cond=true, acceptance={} source=0 dest: 1}], [{ cond=(NOT p0), acceptance={} source=1 dest: 2}, { cond=p0, acceptance={} source=1 dest: 3}], [{ cond=true, acceptance={0} source=2 dest: 2}], [{ cond=p1, acceptance={} source=3 dest: 3}, { cond=(NOT p1), acceptance={0} source=3 dest: 3}]], initial=0, aps=[p0:(AND (EQ s19 1) (EQ s1376 1)), p1:(OR (EQ s19 0) (EQ s1376 0))], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, complete, deterministic, no-univ-branch, unambiguous, semi-deterministic, stutter-sensitive], stateDesc=[null, null, null, null][false, false, false, false]]
Entered a terminal (fully accepting) state of product in 1 steps with 0 reset in 4 ms.
FORMULA RERS17pb115-PT-1-LTLFireability-08 FALSE TECHNIQUES STUTTER_TEST
Treatment of property RERS17pb115-PT-1-LTLFireability-08 finished in 57469 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202303021504/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(F(G((F(p1)||p0))))'
Support contains 4 out of 1381 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 1381/1381 places, 144369/144369 transitions.
Applied a total of 0 rules in 813 ms. Remains 1381 /1381 variables (removed 0) and now considering 144369/144369 (removed 0) transitions.
[2023-03-17 09:50:20] [INFO ] Flow matrix only has 81238 transitions (discarded 63131 similar events)
[2023-03-17 09:50:20] [INFO ] Invariant cache hit.
[2023-03-17 09:50:27] [INFO ] Implicit Places using invariants in 7918 ms returned []
Implicit Place search using SMT only with invariants took 7919 ms to find 0 implicit places.
[2023-03-17 09:50:28] [INFO ] Flow matrix only has 81238 transitions (discarded 63131 similar events)
[2023-03-17 09:50:28] [INFO ] Invariant cache hit.
[2023-03-17 09:50:58] [INFO ] Performed 90371/144369 'is it Dead' test of which 0 returned DEAD in 30 seconds.
[2023-03-17 09:51:15] [INFO ] Dead Transitions using invariants and state equation in 47978 ms found 0 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 56714 ms. Remains : 1381/1381 places, 144369/144369 transitions.
Stuttering acceptance computed with spot in 94 ms :[(AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1))]
Running random walk in product with property : RERS17pb115-PT-1-LTLFireability-09 automaton TGBA Formula[mat=[[{ cond=true, acceptance={} source=0 dest: 0}, { cond=(AND (NOT p0) (NOT p1)), acceptance={} source=0 dest: 1}], [{ cond=(AND p0 (NOT p1)), acceptance={} source=1 dest: 1}, { cond=(AND (NOT p0) (NOT p1)), acceptance={0} source=1 dest: 1}]], initial=0, aps=[p0:(OR (EQ s988 0) (EQ s1055 0)), p1:(OR (EQ s695 0) (EQ s1235 0))], 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 8697 ms.
Product exploration explored 100000 steps with 0 reset in 8484 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 p0 (NOT p1)))), (X (NOT (AND (NOT p0) (NOT p1)))), (X (X (NOT (AND p0 (NOT p1))))), (X (X (NOT (AND (NOT p0) (NOT p1)))))]
False Knowledge obtained : []
Knowledge based reduction with 5 factoid took 170 ms. Reduced automaton from 2 states, 4 edges and 2 AP (stutter insensitive) to 2 states, 4 edges and 2 AP (stutter insensitive).
Stuttering acceptance computed with spot in 67 ms :[(AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1))]
Incomplete random walk after 10000 steps, including 2 resets, run finished after 964 ms. (steps per millisecond=10 ) properties (out of 2) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 162 ms. (steps per millisecond=61 ) properties (out of 2) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 156 ms. (steps per millisecond=64 ) properties (out of 2) seen :0
Interrupted probabilistic random walk after 2719 steps, run timeout after 3003 ms. (steps per millisecond=0 ) properties seen :{}
Probabilistic random walk after 2719 steps, saw 2129 distinct states, run finished after 3003 ms. (steps per millisecond=0 ) properties seen :0
Running SMT prover for 2 properties.
[2023-03-17 09:51:38] [INFO ] Flow matrix only has 81238 transitions (discarded 63131 similar events)
[2023-03-17 09:51:38] [INFO ] Invariant cache hit.
[2023-03-17 09:51:39] [INFO ] [Real]Absence check using 19 positive place invariants in 13 ms returned sat
[2023-03-17 09:51:59] [INFO ] After 20535ms SMT Verify possible using state equation in real domain returned unsat :0 sat :2
[2023-03-17 09:52:01] [INFO ] State equation strengthened by 2277 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)
[2023-03-17 09:52:03] [WARNING] SMT solver failed with error :SMT solver raised an error when submitting script.... while checking expressions.
[2023-03-17 09:52:03] [INFO ] After 25029ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0
Fused 2 Parikh solutions to 1 different solutions.
Parikh walk visited 0 properties in 0 ms.
Support contains 4 out of 1381 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 1381/1381 places, 144369/144369 transitions.
Applied a total of 0 rules in 1147 ms. Remains 1381 /1381 variables (removed 0) and now considering 144369/144369 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 1151 ms. Remains : 1381/1381 places, 144369/144369 transitions.
Incomplete random walk after 10000 steps, including 2 resets, run finished after 1044 ms. (steps per millisecond=9 ) properties (out of 2) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 157 ms. (steps per millisecond=63 ) properties (out of 2) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 161 ms. (steps per millisecond=62 ) properties (out of 2) seen :0
Interrupted probabilistic random walk after 2235 steps, run timeout after 3002 ms. (steps per millisecond=0 ) properties seen :{}
Probabilistic random walk after 2235 steps, saw 1744 distinct states, run finished after 3003 ms. (steps per millisecond=0 ) properties seen :0
Running SMT prover for 2 properties.
[2023-03-17 09:52:09] [INFO ] Flow matrix only has 81238 transitions (discarded 63131 similar events)
[2023-03-17 09:52:09] [INFO ] Invariant cache hit.
[2023-03-17 09:52:10] [INFO ] [Real]Absence check using 19 positive place invariants in 14 ms returned sat
[2023-03-17 09:52:31] [INFO ] After 21034ms SMT Verify possible using state equation in real domain returned unsat :0 sat :2
[2023-03-17 09:52:32] [INFO ] State equation strengthened by 2277 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)
[2023-03-17 09:52:34] [WARNING] SMT solver failed with error :SMT solver raised an error when submitting script.... while checking expressions.
[2023-03-17 09:52:34] [INFO ] After 25029ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0
Fused 2 Parikh solutions to 1 different solutions.
Parikh walk visited 0 properties in 0 ms.
Support contains 4 out of 1381 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 1381/1381 places, 144369/144369 transitions.
Applied a total of 0 rules in 1016 ms. Remains 1381 /1381 variables (removed 0) and now considering 144369/144369 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 1017 ms. Remains : 1381/1381 places, 144369/144369 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 1381/1381 places, 144369/144369 transitions.
Applied a total of 0 rules in 1028 ms. Remains 1381 /1381 variables (removed 0) and now considering 144369/144369 (removed 0) transitions.
[2023-03-17 09:52:37] [INFO ] Flow matrix only has 81238 transitions (discarded 63131 similar events)
[2023-03-17 09:52:37] [INFO ] Invariant cache hit.
[2023-03-17 09:52:45] [INFO ] Implicit Places using invariants in 8170 ms returned []
Implicit Place search using SMT only with invariants took 8171 ms to find 0 implicit places.
[2023-03-17 09:52:45] [INFO ] Flow matrix only has 81238 transitions (discarded 63131 similar events)
[2023-03-17 09:52:45] [INFO ] Invariant cache hit.
[2023-03-17 09:53:15] [INFO ] Performed 91712/144369 'is it Dead' test of which 0 returned DEAD in 30 seconds.
[2023-03-17 09:53:32] [INFO ] Dead Transitions using invariants and state equation in 47281 ms found 0 transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 56491 ms. Remains : 1381/1381 places, 144369/144369 transitions.
Knowledge obtained : [(AND p0 p1), (X (NOT (AND p0 (NOT p1)))), (X (NOT (AND (NOT p0) (NOT p1)))), (X (X (NOT (AND p0 (NOT p1))))), (X (X (NOT (AND (NOT p0) (NOT p1)))))]
False Knowledge obtained : []
Knowledge based reduction with 5 factoid took 176 ms. Reduced automaton from 2 states, 4 edges and 2 AP (stutter insensitive) to 2 states, 4 edges and 2 AP (stutter insensitive).
Stuttering acceptance computed with spot in 62 ms :[(AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1))]
Stuttering acceptance computed with spot in 62 ms :[(AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1))]
Support contains 4 out of 1381 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 1381/1381 places, 144369/144369 transitions.
Applied a total of 0 rules in 804 ms. Remains 1381 /1381 variables (removed 0) and now considering 144369/144369 (removed 0) transitions.
[2023-03-17 09:53:33] [INFO ] Flow matrix only has 81238 transitions (discarded 63131 similar events)
[2023-03-17 09:53:33] [INFO ] Invariant cache hit.
[2023-03-17 09:53:41] [INFO ] Implicit Places using invariants in 7867 ms returned []
Implicit Place search using SMT only with invariants took 7869 ms to find 0 implicit places.
[2023-03-17 09:53:41] [INFO ] Flow matrix only has 81238 transitions (discarded 63131 similar events)
[2023-03-17 09:53:41] [INFO ] Invariant cache hit.
[2023-03-17 09:54:12] [INFO ] Performed 88089/144369 'is it Dead' test of which 0 returned DEAD in 30 seconds.
[2023-03-17 09:54:31] [INFO ] Dead Transitions using invariants and state equation in 50061 ms found 0 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 58738 ms. Remains : 1381/1381 places, 144369/144369 transitions.
Computed a total of 1 stabilizing places and 1 stable transitions
Computed a total of 1 stabilizing places and 1 stable transitions
Knowledge obtained : [(AND p0 p1), (X (NOT (AND p0 (NOT p1)))), (X (NOT (AND (NOT p0) (NOT p1)))), (X (X (NOT (AND p0 (NOT p1))))), (X (X (NOT (AND (NOT p0) (NOT p1)))))]
False Knowledge obtained : []
Knowledge based reduction with 5 factoid took 171 ms. Reduced automaton from 2 states, 4 edges and 2 AP (stutter insensitive) to 2 states, 4 edges and 2 AP (stutter insensitive).
Stuttering acceptance computed with spot in 67 ms :[(AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1))]
Incomplete random walk after 10000 steps, including 2 resets, run finished after 1498 ms. (steps per millisecond=6 ) properties (out of 2) seen :0
Incomplete Best-First random walk after 10000 steps, including 2 resets, run finished after 235 ms. (steps per millisecond=42 ) properties (out of 2) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 234 ms. (steps per millisecond=42 ) properties (out of 2) seen :0
Interrupted probabilistic random walk after 2024 steps, run timeout after 3001 ms. (steps per millisecond=0 ) properties seen :{}
Probabilistic random walk after 2024 steps, saw 1574 distinct states, run finished after 3003 ms. (steps per millisecond=0 ) properties seen :0
Running SMT prover for 2 properties.
[2023-03-17 09:54:38] [INFO ] Flow matrix only has 81238 transitions (discarded 63131 similar events)
[2023-03-17 09:54:38] [INFO ] Invariant cache hit.
[2023-03-17 09:54:38] [INFO ] [Real]Absence check using 19 positive place invariants in 16 ms returned sat
[2023-03-17 09:54:59] [INFO ] After 20959ms SMT Verify possible using state equation in real domain returned unsat :0 sat :2
[2023-03-17 09:55:00] [INFO ] State equation strengthened by 2277 read => feed constraints.
java.lang.RuntimeException: SMT solver raised an error when submitting script. Raised (error "Failed to assert expression: java.io.IOException: Broken pipe ...
at fr.lip6.move.gal.structural.smt.SMTUtils.execAndCheckResult(SMTUtils.java:251)
at fr.lip6.move.gal.structural.smt.DeadlockTester.verifyPossible(DeadlockTester.java:642)
at fr.lip6.move.gal.structural.smt.DeadlockTester.testUnreachableWithSMTIncremental(DeadlockTester.java:339)
at fr.lip6.move.gal.structural.smt.DeadlockTester.testUnreachableWithSMT(DeadlockTester.java:223)
at fr.lip6.move.gal.application.solver.ReachabilitySolver.applyReductions(ReachabilitySolver.java:95)
at fr.lip6.move.gal.application.solver.ltl.LTLPropertySolver.addInvarianceKnowledge(LTLPropertySolver.java:701)
at fr.lip6.move.gal.application.solver.ltl.LTLPropertySolver.applyKnowledgeBasedReductions(LTLPropertySolver.java:568)
at fr.lip6.move.gal.application.solver.ltl.LTLPropertySolver.checkLTLProperty(LTLPropertySolver.java:261)
at fr.lip6.move.gal.application.solver.ltl.LTLPropertySolver.runStutteringLTLTest(LTLPropertySolver.java:225)
at fr.lip6.move.gal.application.solver.ltl.LTLPropertySolver.runStructuralLTLCheck(LTLPropertySolver.java:76)
at fr.lip6.move.gal.application.Application.startNoEx(Application.java:762)
at fr.lip6.move.gal.application.Application.start(Application.java:178)
at fr.lip6.move.gal.itscl.application.Application.start(Application.java:45)
at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:203)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:136)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:104)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:402)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:255)
at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:77)
at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.base/java.lang.reflect.Method.invoke(Method.java:568)
at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:659)
at org.eclipse.equinox.launcher.Main.basicRun(Main.java:596)
at org.eclipse.equinox.launcher.Main.run(Main.java:1467)
at org.eclipse.equinox.launcher.Main.main(Main.java:1440)
[2023-03-17 09:55:03] [WARNING] SMT solver failed with error :SMT solver raised an error when submitting script.... while checking expressions.
[2023-03-17 09:55:03] [INFO ] After 25023ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0
Fused 2 Parikh solutions to 1 different solutions.
Parikh walk visited 0 properties in 0 ms.
Support contains 4 out of 1381 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 1381/1381 places, 144369/144369 transitions.
Applied a total of 0 rules in 928 ms. Remains 1381 /1381 variables (removed 0) and now considering 144369/144369 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 933 ms. Remains : 1381/1381 places, 144369/144369 transitions.
Incomplete random walk after 10000 steps, including 2 resets, run finished after 1046 ms. (steps per millisecond=9 ) properties (out of 2) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 166 ms. (steps per millisecond=60 ) properties (out of 2) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 160 ms. (steps per millisecond=62 ) properties (out of 2) seen :0
Interrupted probabilistic random walk after 2181 steps, run timeout after 3006 ms. (steps per millisecond=0 ) properties seen :{}
Probabilistic random walk after 2181 steps, saw 1701 distinct states, run finished after 3006 ms. (steps per millisecond=0 ) properties seen :0
Running SMT prover for 2 properties.
[2023-03-17 09:55:09] [INFO ] Flow matrix only has 81238 transitions (discarded 63131 similar events)
[2023-03-17 09:55:09] [INFO ] Invariant cache hit.
[2023-03-17 09:55:09] [INFO ] [Real]Absence check using 19 positive place invariants in 16 ms returned sat
[2023-03-17 09:55:29] [INFO ] After 20453ms SMT Verify possible using state equation in real domain returned unsat :0 sat :2
[2023-03-17 09:55:30] [INFO ] State equation strengthened by 2277 read => feed constraints.
java.lang.RuntimeException: SMT solver raised an error when submitting script. Raised (error "Failed to assert expression: java.io.IOException: Stream close...
at fr.lip6.move.gal.structural.smt.SMTUtils.execAndCheckResult(SMTUtils.java:251)
at fr.lip6.move.gal.structural.smt.DeadlockTester.verifyPossible(DeadlockTester.java:642)
at fr.lip6.move.gal.structural.smt.DeadlockTester.testUnreachableWithSMTIncremental(DeadlockTester.java:339)
at fr.lip6.move.gal.structural.smt.DeadlockTester.testUnreachableWithSMT(DeadlockTester.java:223)
at fr.lip6.move.gal.application.solver.ReachabilitySolver.applyReductions(ReachabilitySolver.java:95)
at fr.lip6.move.gal.application.solver.ltl.LTLPropertySolver.addInvarianceKnowledge(LTLPropertySolver.java:701)
at fr.lip6.move.gal.application.solver.ltl.LTLPropertySolver.applyKnowledgeBasedReductions(LTLPropertySolver.java:568)
at fr.lip6.move.gal.application.solver.ltl.LTLPropertySolver.checkLTLProperty(LTLPropertySolver.java:261)
at fr.lip6.move.gal.application.solver.ltl.LTLPropertySolver.runStutteringLTLTest(LTLPropertySolver.java:225)
at fr.lip6.move.gal.application.solver.ltl.LTLPropertySolver.runStructuralLTLCheck(LTLPropertySolver.java:76)
at fr.lip6.move.gal.application.Application.startNoEx(Application.java:762)
at fr.lip6.move.gal.application.Application.start(Application.java:178)
at fr.lip6.move.gal.itscl.application.Application.start(Application.java:45)
at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:203)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:136)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:104)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:402)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:255)
at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:77)
at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.base/java.lang.reflect.Method.invoke(Method.java:568)
at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:659)
at org.eclipse.equinox.launcher.Main.basicRun(Main.java:596)
at org.eclipse.equinox.launcher.Main.run(Main.java:1467)
at org.eclipse.equinox.launcher.Main.main(Main.java:1440)
[2023-03-17 09:55:34] [WARNING] SMT solver failed with error :SMT solver raised an error when submitting script.... while checking expressions.
[2023-03-17 09:55:34] [INFO ] After 25027ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0
Fused 2 Parikh solutions to 1 different solutions.
Parikh walk visited 0 properties in 0 ms.
Support contains 4 out of 1381 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 1381/1381 places, 144369/144369 transitions.
Applied a total of 0 rules in 1175 ms. Remains 1381 /1381 variables (removed 0) and now considering 144369/144369 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 1175 ms. Remains : 1381/1381 places, 144369/144369 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 1381/1381 places, 144369/144369 transitions.
Applied a total of 0 rules in 953 ms. Remains 1381 /1381 variables (removed 0) and now considering 144369/144369 (removed 0) transitions.
[2023-03-17 09:55:36] [INFO ] Flow matrix only has 81238 transitions (discarded 63131 similar events)
[2023-03-17 09:55:36] [INFO ] Invariant cache hit.
[2023-03-17 09:55:44] [INFO ] Implicit Places using invariants in 8023 ms returned []
Implicit Place search using SMT only with invariants took 8028 ms to find 0 implicit places.
[2023-03-17 09:55:44] [INFO ] Flow matrix only has 81238 transitions (discarded 63131 similar events)
[2023-03-17 09:55:44] [INFO ] Invariant cache hit.
[2023-03-17 09:56:14] [INFO ] Performed 90327/144369 'is it Dead' test of which 0 returned DEAD in 30 seconds.
[2023-03-17 09:56:32] [INFO ] Dead Transitions using invariants and state equation in 48171 ms found 0 transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 57167 ms. Remains : 1381/1381 places, 144369/144369 transitions.
Knowledge obtained : [(AND p0 p1), (X (NOT (AND p0 (NOT p1)))), (X (NOT (AND (NOT p0) (NOT p1)))), (X (X (NOT (AND p0 (NOT p1))))), (X (X (NOT (AND (NOT p0) (NOT p1)))))]
False Knowledge obtained : []
Knowledge based reduction with 5 factoid took 171 ms. Reduced automaton from 2 states, 4 edges and 2 AP (stutter insensitive) to 2 states, 4 edges and 2 AP (stutter insensitive).
Stuttering acceptance computed with spot in 62 ms :[(AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1))]
Stuttering acceptance computed with spot in 81 ms :[(AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1))]
Stuttering acceptance computed with spot in 66 ms :[(AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1))]
Product exploration explored 100000 steps with 0 reset in 9513 ms.
Product exploration explored 100000 steps with 0 reset in 9216 ms.
Support contains 4 out of 1381 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 1381/1381 places, 144369/144369 transitions.
Applied a total of 0 rules in 797 ms. Remains 1381 /1381 variables (removed 0) and now considering 144369/144369 (removed 0) transitions.
[2023-03-17 09:56:52] [INFO ] Flow matrix only has 81238 transitions (discarded 63131 similar events)
[2023-03-17 09:56:52] [INFO ] Invariant cache hit.
[2023-03-17 09:57:00] [INFO ] Implicit Places using invariants in 8066 ms returned []
Implicit Place search using SMT only with invariants took 8067 ms to find 0 implicit places.
[2023-03-17 09:57:00] [INFO ] Flow matrix only has 81238 transitions (discarded 63131 similar events)
[2023-03-17 09:57:00] [INFO ] Invariant cache hit.
[2023-03-17 09:57:30] [INFO ] Performed 91743/144369 'is it Dead' test of which 0 returned DEAD in 30 seconds.
[2023-03-17 09:57:48] [INFO ] Dead Transitions using invariants and state equation in 47408 ms found 0 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 56275 ms. Remains : 1381/1381 places, 144369/144369 transitions.
Treatment of property RERS17pb115-PT-1-LTLFireability-09 finished in 454672 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202303021504/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(((!p0 U (p1||G(!p0))) U p2)))'
Support contains 6 out of 1381 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 1381/1381 places, 144369/144369 transitions.
Applied a total of 0 rules in 496 ms. Remains 1381 /1381 variables (removed 0) and now considering 144369/144369 (removed 0) transitions.
[2023-03-17 09:57:54] [INFO ] Flow matrix only has 81238 transitions (discarded 63131 similar events)
[2023-03-17 09:57:54] [INFO ] Invariant cache hit.
[2023-03-17 09:58:02] [INFO ] Implicit Places using invariants in 7853 ms returned []
Implicit Place search using SMT only with invariants took 7856 ms to find 0 implicit places.
[2023-03-17 09:58:02] [INFO ] Flow matrix only has 81238 transitions (discarded 63131 similar events)
[2023-03-17 09:58:02] [INFO ] Invariant cache hit.
[2023-03-17 09:58:32] [INFO ] Performed 88084/144369 'is it Dead' test of which 0 returned DEAD in 30 seconds.
[2023-03-17 09:58:51] [INFO ] Dead Transitions using invariants and state equation in 49109 ms found 0 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 57465 ms. Remains : 1381/1381 places, 144369/144369 transitions.
Stuttering acceptance computed with spot in 127 ms :[(NOT p2), (NOT p2), true, (AND (NOT p1) p0)]
Running random walk in product with property : RERS17pb115-PT-1-LTLFireability-10 automaton TGBA Formula[mat=[[{ cond=true, acceptance={} source=0 dest: 1}], [{ cond=(OR (AND (NOT p2) p1) (AND (NOT p2) (NOT p0))), acceptance={0} source=1 dest: 1}, { cond=(AND (NOT p2) (NOT p1) p0), acceptance={0} source=1 dest: 2}, { cond=(AND (NOT p2) (NOT p1) (NOT p0)), acceptance={0} source=1 dest: 3}], [{ cond=true, acceptance={0} source=2 dest: 2}], [{ cond=(AND (NOT p1) p0), acceptance={} source=3 dest: 2}, { cond=(AND (NOT p1) (NOT p0)), acceptance={} source=3 dest: 3}]], initial=0, aps=[p2:(AND (EQ s92 1) (EQ s842 1)), p1:(AND (NOT (AND (EQ s108 1) (EQ s1091 1))) (NOT (AND (EQ s13 1) (EQ s1176 1)))), p0:(AND (EQ s13 1) (EQ s1176 1))], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, no-univ-branch, stutter-sensitive, very-weak, weak, inherently-weak], stateDesc=[null, null, null, null][false, false, false, false]]
Product exploration explored 100000 steps with 9 reset in 9677 ms.
Product exploration explored 100000 steps with 8 reset in 8478 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 p2) p1 (NOT p0)), (X (NOT (AND (NOT p2) (NOT p1) p0))), (X (NOT (AND (NOT p2) (NOT p1) (NOT p0)))), (X (OR (AND (NOT p2) p1) (AND (NOT p2) (NOT p0)))), true, (X (X (NOT (AND (NOT p1) p0)))), (X (X (NOT (AND (NOT p2) (NOT p1) p0)))), (X (X (NOT (AND (NOT p1) (NOT p0))))), (X (X (NOT (AND (NOT p2) (NOT p1) (NOT p0))))), (X (X (OR (AND (NOT p2) p1) (AND (NOT p2) (NOT p0)))))]
False Knowledge obtained : []
Knowledge based reduction with 10 factoid took 375 ms. Reduced automaton from 4 states, 7 edges and 3 AP (stutter sensitive) to 4 states, 7 edges and 3 AP (stutter sensitive).
Stuttering acceptance computed with spot in 104 ms :[(NOT p2), (NOT p2), true, (AND (NOT p1) p0)]
Incomplete random walk after 10000 steps, including 2 resets, run finished after 1106 ms. (steps per millisecond=9 ) properties (out of 5) seen :1
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 112 ms. (steps per millisecond=89 ) properties (out of 4) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 109 ms. (steps per millisecond=91 ) properties (out of 4) seen :2
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 106 ms. (steps per millisecond=94 ) properties (out of 2) seen :0
Running SMT prover for 2 properties.
[2023-03-17 09:59:12] [INFO ] Flow matrix only has 81238 transitions (discarded 63131 similar events)
[2023-03-17 09:59:12] [INFO ] Invariant cache hit.
[2023-03-17 09:59:13] [INFO ] After 216ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:2
[2023-03-17 09:59:13] [INFO ] [Nat]Absence check using 19 positive place invariants in 13 ms returned sat
[2023-03-17 09:59:33] [INFO ] After 20528ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :2
[2023-03-17 09:59:35] [INFO ] State equation strengthened by 2277 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)
[2023-03-17 09:59:38] [WARNING] SMT solver failed with error :SMT solver raised an error when submitting script.... while checking expressions.
[2023-03-17 09:59:38] [INFO ] After 25023ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :0 real:2
Fused 2 Parikh solutions to 1 different solutions.
Parikh walk visited 0 properties in 0 ms.
Support contains 4 out of 1381 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 1381/1381 places, 144369/144369 transitions.
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 0 with 1 rules applied. Total rules applied 1 place count 1380 transition count 144368
Applied a total of 1 rules in 2215 ms. Remains 1380 /1381 variables (removed 1) and now considering 144368/144369 (removed 1) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 2218 ms. Remains : 1380/1381 places, 144368/144369 transitions.
Incomplete random walk after 10000 steps, including 2 resets, run finished after 1113 ms. (steps per millisecond=8 ) properties (out of 2) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 113 ms. (steps per millisecond=88 ) properties (out of 2) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 111 ms. (steps per millisecond=90 ) properties (out of 2) seen :0
Interrupted probabilistic random walk after 2228 steps, run timeout after 3004 ms. (steps per millisecond=0 ) properties seen :{}
Probabilistic random walk after 2228 steps, saw 1739 distinct states, run finished after 3005 ms. (steps per millisecond=0 ) properties seen :0
Running SMT prover for 2 properties.
[2023-03-17 09:59:44] [INFO ] Flow matrix only has 81237 transitions (discarded 63131 similar events)
// Phase 1: matrix 81237 rows 1380 cols
[2023-03-17 09:59:45] [INFO ] Computed 19 place invariants in 238 ms
[2023-03-17 09:59:45] [INFO ] After 212ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:2
[2023-03-17 09:59:45] [INFO ] [Nat]Absence check using 19 positive place invariants in 13 ms returned sat
[2023-03-17 10:00:06] [INFO ] After 20646ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :2
[2023-03-17 10:00:07] [INFO ] State equation strengthened by 741 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: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)
[2023-03-17 10:00:10] [WARNING] SMT solver failed with error :SMT solver raised an error when submitting script.... while checking expressions.
[2023-03-17 10:00:10] [INFO ] After 25021ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :0 real:2
Fused 2 Parikh solutions to 1 different solutions.
Parikh walk visited 0 properties in 0 ms.
Support contains 4 out of 1380 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 1380/1380 places, 144368/144368 transitions.
Applied a total of 0 rules in 1075 ms. Remains 1380 /1380 variables (removed 0) and now considering 144368/144368 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 1075 ms. Remains : 1380/1380 places, 144368/144368 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 1380/1380 places, 144368/144368 transitions.
Applied a total of 0 rules in 975 ms. Remains 1380 /1380 variables (removed 0) and now considering 144368/144368 (removed 0) transitions.
[2023-03-17 10:00:12] [INFO ] Flow matrix only has 81237 transitions (discarded 63131 similar events)
[2023-03-17 10:00:12] [INFO ] Invariant cache hit.
[2023-03-17 10:00:20] [INFO ] Implicit Places using invariants in 8233 ms returned []
Implicit Place search using SMT only with invariants took 8234 ms to find 0 implicit places.
[2023-03-17 10:00:20] [INFO ] Flow matrix only has 81237 transitions (discarded 63131 similar events)
[2023-03-17 10:00:20] [INFO ] Invariant cache hit.
[2023-03-17 10:00:51] [INFO ] Performed 88294/144368 'is it Dead' test of which 0 returned DEAD in 30 seconds.
[2023-03-17 10:01:09] [INFO ] Dead Transitions using invariants and state equation in 48990 ms found 0 transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 58212 ms. Remains : 1380/1380 places, 144368/144368 transitions.
Knowledge obtained : [(AND (NOT p2) p1 (NOT p0)), (X (NOT (AND (NOT p2) (NOT p1) p0))), (X (NOT (AND (NOT p2) (NOT p1) (NOT p0)))), (X (OR (AND (NOT p2) p1) (AND (NOT p2) (NOT p0)))), true, (X (X (NOT (AND (NOT p1) p0)))), (X (X (NOT (AND (NOT p2) (NOT p1) p0)))), (X (X (NOT (AND (NOT p1) (NOT p0))))), (X (X (NOT (AND (NOT p2) (NOT p1) (NOT p0))))), (X (X (OR (AND (NOT p2) p1) (AND (NOT p2) (NOT p0)))))]
False Knowledge obtained : [(F (AND (NOT p1) (NOT p0))), (F (NOT (OR (AND p1 (NOT p2)) (AND (NOT p2) (NOT p0))))), (F (AND (NOT p1) (NOT p2) (NOT p0)))]
Knowledge based reduction with 10 factoid took 427 ms. Reduced automaton from 4 states, 7 edges and 3 AP (stutter sensitive) to 4 states, 7 edges and 3 AP (stutter sensitive).
Stuttering acceptance computed with spot in 120 ms :[(NOT p2), (NOT p2), true, (AND (NOT p1) p0)]
Stuttering acceptance computed with spot in 96 ms :[(NOT p2), (NOT p2), true, (AND (NOT p1) p0)]
[2023-03-17 10:01:10] [INFO ] Flow matrix only has 81238 transitions (discarded 63131 similar events)
// Phase 1: matrix 81238 rows 1381 cols
[2023-03-17 10:01:11] [INFO ] Computed 19 place invariants in 363 ms
Could not prove EG (NOT p2)
Support contains 6 out of 1381 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 1381/1381 places, 144369/144369 transitions.
Applied a total of 0 rules in 397 ms. Remains 1381 /1381 variables (removed 0) and now considering 144369/144369 (removed 0) transitions.
[2023-03-17 10:01:26] [INFO ] Flow matrix only has 81238 transitions (discarded 63131 similar events)
[2023-03-17 10:01:26] [INFO ] Invariant cache hit.
[2023-03-17 10:01:34] [INFO ] Implicit Places using invariants in 7629 ms returned []
Implicit Place search using SMT only with invariants took 7629 ms to find 0 implicit places.
[2023-03-17 10:01:34] [INFO ] Flow matrix only has 81238 transitions (discarded 63131 similar events)
[2023-03-17 10:01:34] [INFO ] Invariant cache hit.
[2023-03-17 10:02:04] [INFO ] Performed 89358/144369 'is it Dead' test of which 0 returned DEAD in 30 seconds.
[2023-03-17 10:02:23] [INFO ] Dead Transitions using invariants and state equation in 48532 ms found 0 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 56561 ms. Remains : 1381/1381 places, 144369/144369 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 p1 (NOT p2) (NOT p0)), (X (NOT (AND (NOT p1) (NOT p2) p0))), (X (OR (AND p1 (NOT p2)) (AND (NOT p2) (NOT p0)))), (X (NOT (AND (NOT p1) (NOT p2) (NOT p0)))), true, (X (X (NOT (AND (NOT p1) p0)))), (X (X (NOT (AND (NOT p1) (NOT p2) p0)))), (X (X (NOT (AND (NOT p1) (NOT p0))))), (X (X (OR (AND p1 (NOT p2)) (AND (NOT p2) (NOT p0))))), (X (X (NOT (AND (NOT p1) (NOT p2) (NOT p0)))))]
False Knowledge obtained : []
Knowledge based reduction with 10 factoid took 396 ms. Reduced automaton from 4 states, 7 edges and 3 AP (stutter sensitive) to 4 states, 7 edges and 3 AP (stutter sensitive).
Stuttering acceptance computed with spot in 119 ms :[(NOT p2), (NOT p2), true, (AND p0 (NOT p1))]
Incomplete random walk after 10000 steps, including 2 resets, run finished after 1128 ms. (steps per millisecond=8 ) properties (out of 5) seen :1
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 156 ms. (steps per millisecond=64 ) properties (out of 4) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 153 ms. (steps per millisecond=65 ) properties (out of 4) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 155 ms. (steps per millisecond=64 ) properties (out of 4) seen :0
Incomplete Best-First random walk after 10000 steps, including 2 resets, run finished after 156 ms. (steps per millisecond=64 ) properties (out of 4) seen :0
Running SMT prover for 4 properties.
[2023-03-17 10:02:26] [INFO ] Flow matrix only has 81238 transitions (discarded 63131 similar events)
[2023-03-17 10:02:26] [INFO ] Invariant cache hit.
[2023-03-17 10:02:26] [INFO ] After 254ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:4
[2023-03-17 10:02:27] [INFO ] [Nat]Absence check using 19 positive place invariants in 15 ms returned sat
[2023-03-17 10:02:49] [INFO ] After 22375ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :4
[2023-03-17 10:02:50] [INFO ] State equation strengthened by 2277 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)
[2023-03-17 10:02:51] [WARNING] SMT solver failed with error :SMT solver raised an error when submitting script.... while checking expressions.
[2023-03-17 10:02:51] [INFO ] After 25020ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :0 real:4
Fused 4 Parikh solutions to 1 different solutions.
Parikh walk visited 0 properties in 0 ms.
Support contains 6 out of 1381 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 1381/1381 places, 144369/144369 transitions.
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 0 with 1 rules applied. Total rules applied 1 place count 1380 transition count 144368
Applied a total of 1 rules in 1739 ms. Remains 1380 /1381 variables (removed 1) and now considering 144368/144369 (removed 1) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 1742 ms. Remains : 1380/1381 places, 144368/144369 transitions.
Incomplete random walk after 10000 steps, including 2 resets, run finished after 1356 ms. (steps per millisecond=7 ) properties (out of 4) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 301 ms. (steps per millisecond=33 ) properties (out of 4) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 142 ms. (steps per millisecond=70 ) properties (out of 4) seen :0
Incomplete Best-First random walk after 10000 steps, including 2 resets, run finished after 112 ms. (steps per millisecond=89 ) properties (out of 4) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 121 ms. (steps per millisecond=82 ) properties (out of 4) seen :0
Interrupted probabilistic random walk after 5283 steps, run timeout after 6006 ms. (steps per millisecond=0 ) properties seen :{}
Probabilistic random walk after 5283 steps, saw 4100 distinct states, run finished after 6007 ms. (steps per millisecond=0 ) properties seen :0
Running SMT prover for 4 properties.
[2023-03-17 10:03:01] [INFO ] Flow matrix only has 81237 transitions (discarded 63131 similar events)
// Phase 1: matrix 81237 rows 1380 cols
[2023-03-17 10:03:02] [INFO ] Computed 19 place invariants in 240 ms
[2023-03-17 10:03:02] [INFO ] After 266ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:4
[2023-03-17 10:03:02] [INFO ] [Nat]Absence check using 19 positive place invariants in 14 ms returned sat
[2023-03-17 10:03:25] [INFO ] After 22637ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :4
[2023-03-17 10:03:26] [INFO ] State equation strengthened by 741 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)
[2023-03-17 10:03:27] [WARNING] SMT solver failed with error :SMT solver raised an error when submitting script.... while checking expressions.
[2023-03-17 10:03:27] [INFO ] After 25031ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :0 real:4
Fused 4 Parikh solutions to 1 different solutions.
Parikh walk visited 0 properties in 0 ms.
Support contains 6 out of 1380 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 1380/1380 places, 144368/144368 transitions.
Applied a total of 0 rules in 878 ms. Remains 1380 /1380 variables (removed 0) and now considering 144368/144368 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 878 ms. Remains : 1380/1380 places, 144368/144368 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 1380/1380 places, 144368/144368 transitions.
Applied a total of 0 rules in 1134 ms. Remains 1380 /1380 variables (removed 0) and now considering 144368/144368 (removed 0) transitions.
[2023-03-17 10:03:29] [INFO ] Flow matrix only has 81237 transitions (discarded 63131 similar events)
[2023-03-17 10:03:29] [INFO ] Invariant cache hit.
[2023-03-17 10:03:37] [INFO ] Implicit Places using invariants in 7873 ms returned []
Implicit Place search using SMT only with invariants took 7874 ms to find 0 implicit places.
[2023-03-17 10:03:37] [INFO ] Flow matrix only has 81237 transitions (discarded 63131 similar events)
[2023-03-17 10:03:37] [INFO ] Invariant cache hit.
[2023-03-17 10:04:07] [INFO ] Performed 90459/144368 'is it Dead' test of which 0 returned DEAD in 30 seconds.
[2023-03-17 10:04:25] [INFO ] Dead Transitions using invariants and state equation in 48300 ms found 0 transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 57325 ms. Remains : 1380/1380 places, 144368/144368 transitions.
Knowledge obtained : [(AND p1 (NOT p2) (NOT p0)), (X (NOT (AND (NOT p1) (NOT p2) p0))), (X (OR (AND p1 (NOT p2)) (AND (NOT p2) (NOT p0)))), (X (NOT (AND (NOT p1) (NOT p2) (NOT p0)))), true, (X (X (NOT (AND (NOT p1) p0)))), (X (X (NOT (AND (NOT p1) (NOT p2) p0)))), (X (X (NOT (AND (NOT p1) (NOT p0))))), (X (X (OR (AND p1 (NOT p2)) (AND (NOT p2) (NOT p0))))), (X (X (NOT (AND (NOT p1) (NOT p2) (NOT p0)))))]
False Knowledge obtained : [(F (NOT (OR (AND (NOT p0) (NOT p2)) (AND p1 (NOT p2)))))]
Knowledge based reduction with 10 factoid took 410 ms. Reduced automaton from 4 states, 7 edges and 3 AP (stutter sensitive) to 4 states, 7 edges and 3 AP (stutter sensitive).
Stuttering acceptance computed with spot in 111 ms :[(NOT p2), (NOT p2), true, (AND p0 (NOT p1))]
Stuttering acceptance computed with spot in 104 ms :[(NOT p2), (NOT p2), true, (AND p0 (NOT p1))]
[2023-03-17 10:04:26] [INFO ] Flow matrix only has 81238 transitions (discarded 63131 similar events)
// Phase 1: matrix 81238 rows 1381 cols
[2023-03-17 10:04:27] [INFO ] Computed 19 place invariants in 257 ms
Could not prove EG (NOT p2)
Stuttering acceptance computed with spot in 113 ms :[(NOT p2), (NOT p2), true, (AND p0 (NOT p1))]
Product exploration explored 100000 steps with 6 reset in 8580 ms.
Product exploration explored 100000 steps with 6 reset in 8580 ms.
Applying partial POR strategy [false, true, true, true]
Stuttering acceptance computed with spot in 121 ms :[(NOT p2), (NOT p2), true, (AND p0 (NOT p1))]
Support contains 6 out of 1381 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 1381/1381 places, 144369/144369 transitions.
Applied a total of 0 rules in 1030 ms. Remains 1381 /1381 variables (removed 0) and now considering 144369/144369 (removed 0) transitions.
[2023-03-17 10:05:01] [INFO ] Flow matrix only has 81238 transitions (discarded 63131 similar events)
[2023-03-17 10:05:01] [INFO ] Invariant cache hit.
[2023-03-17 10:05:31] [INFO ] Performed 88996/144369 'is it Dead' test of which 0 returned DEAD in 30 seconds.
[2023-03-17 10:05:49] [INFO ] Dead Transitions using invariants and state equation in 48575 ms found 0 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 49610 ms. Remains : 1381/1381 places, 144369/144369 transitions.
Support contains 6 out of 1381 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 1381/1381 places, 144369/144369 transitions.
Applied a total of 0 rules in 415 ms. Remains 1381 /1381 variables (removed 0) and now considering 144369/144369 (removed 0) transitions.
[2023-03-17 10:05:50] [INFO ] Flow matrix only has 81238 transitions (discarded 63131 similar events)
[2023-03-17 10:05:50] [INFO ] Invariant cache hit.
[2023-03-17 10:05:58] [INFO ] Implicit Places using invariants in 7940 ms returned []
Implicit Place search using SMT only with invariants took 7953 ms to find 0 implicit places.
[2023-03-17 10:05:58] [INFO ] Flow matrix only has 81238 transitions (discarded 63131 similar events)
[2023-03-17 10:05:58] [INFO ] Invariant cache hit.
[2023-03-17 10:06:28] [INFO ] Performed 90884/144369 'is it Dead' test of which 0 returned DEAD in 30 seconds.
[2023-03-17 10:06:45] [INFO ] Dead Transitions using invariants and state equation in 47591 ms found 0 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 55962 ms. Remains : 1381/1381 places, 144369/144369 transitions.
Treatment of property RERS17pb115-PT-1-LTLFireability-10 finished in 537377 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202303021504/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(G(p0)))'
Support contains 2 out of 1381 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 1381/1381 places, 144369/144369 transitions.
Applied a total of 0 rules in 449 ms. Remains 1381 /1381 variables (removed 0) and now considering 144369/144369 (removed 0) transitions.
[2023-03-17 10:06:51] [INFO ] Flow matrix only has 81238 transitions (discarded 63131 similar events)
[2023-03-17 10:06:51] [INFO ] Invariant cache hit.
[2023-03-17 10:07:00] [INFO ] Implicit Places using invariants in 8265 ms returned []
Implicit Place search using SMT only with invariants took 8266 ms to find 0 implicit places.
[2023-03-17 10:07:00] [INFO ] Flow matrix only has 81238 transitions (discarded 63131 similar events)
[2023-03-17 10:07:00] [INFO ] Invariant cache hit.
[2023-03-17 10:07:30] [INFO ] Performed 89374/144369 'is it Dead' test of which 0 returned DEAD in 30 seconds.
[2023-03-17 10:07:48] [INFO ] Dead Transitions using invariants and state equation in 48156 ms found 0 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 56877 ms. Remains : 1381/1381 places, 144369/144369 transitions.
Stuttering acceptance computed with spot in 80 ms :[true, (NOT p0), (NOT p0)]
Running random walk in product with property : RERS17pb115-PT-1-LTLFireability-11 automaton TGBA Formula[mat=[[{ cond=true, acceptance={0} source=0 dest: 0}], [{ cond=true, acceptance={} source=1 dest: 2}], [{ cond=(NOT p0), acceptance={} source=2 dest: 0}, { cond=p0, acceptance={} source=2 dest: 2}]], initial=1, aps=[p0:(AND (EQ s123 1) (EQ s436 1))], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, complete, deterministic, no-univ-branch, unambiguous, semi-deterministic, stutter-sensitive, terminal, very-weak, weak, inherently-weak], stateDesc=[null, null, null][false, false, false]]
Entered a terminal (fully accepting) state of product in 1 steps with 0 reset in 4 ms.
FORMULA RERS17pb115-PT-1-LTLFireability-11 FALSE TECHNIQUES STUTTER_TEST
Treatment of property RERS17pb115-PT-1-LTLFireability-11 finished in 57312 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202303021504/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!((G(p0)||((F(p1) U !p2) U p3)))'
Support contains 8 out of 1381 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 1381/1381 places, 144369/144369 transitions.
Reduce places removed 1 places and 1 transitions.
Applied a total of 0 rules in 1018 ms. Remains 1380 /1381 variables (removed 1) and now considering 144368/144369 (removed 1) transitions.
[2023-03-17 10:07:49] [INFO ] Flow matrix only has 81237 transitions (discarded 63131 similar events)
// Phase 1: matrix 81237 rows 1380 cols
[2023-03-17 10:07:49] [INFO ] Computed 19 place invariants in 226 ms
[2023-03-17 10:07:57] [INFO ] Implicit Places using invariants in 8154 ms returned []
Implicit Place search using SMT only with invariants took 8155 ms to find 0 implicit places.
[2023-03-17 10:07:57] [INFO ] Flow matrix only has 81237 transitions (discarded 63131 similar events)
[2023-03-17 10:07:57] [INFO ] Invariant cache hit.
[2023-03-17 10:08:28] [INFO ] Performed 88463/144368 'is it Dead' test of which 0 returned DEAD in 30 seconds.
[2023-03-17 10:08:47] [INFO ] Dead Transitions using invariants and state equation in 49711 ms found 0 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 58891 ms. Remains : 1380/1381 places, 144368/144369 transitions.
Stuttering acceptance computed with spot in 242 ms :[(AND (NOT p0) (NOT p3)), (NOT p1), p2, (NOT p3), (AND (NOT p1) (NOT p0)), (AND (NOT p0) p2)]
Running random walk in product with property : RERS17pb115-PT-1-LTLFireability-12 automaton TGBA Formula[mat=[[{ cond=(AND p0 (NOT p3)), acceptance={} source=0 dest: 0}, { cond=(AND (NOT p0) (NOT p3) p2 (NOT p1)), acceptance={} source=0 dest: 1}, { cond=(AND (NOT p0) (NOT p3) p2), acceptance={} source=0 dest: 2}, { cond=(AND (NOT p0) (NOT p3)), acceptance={} source=0 dest: 3}, { cond=(AND p0 (NOT p3) p2 (NOT p1)), acceptance={} source=0 dest: 4}, { cond=(AND p0 (NOT p3) p2), acceptance={} source=0 dest: 5}], [{ cond=(NOT p1), acceptance={0} source=1 dest: 1}], [{ cond=(AND p2 (NOT p1)), acceptance={0} source=2 dest: 1}, { cond=p2, acceptance={0} source=2 dest: 2}], [{ cond=(AND (NOT p3) p2 (NOT p1)), acceptance={0} source=3 dest: 1}, { cond=(AND (NOT p3) p2), acceptance={0} source=3 dest: 2}, { cond=(NOT p3), acceptance={0} source=3 dest: 3}], [{ cond=(AND (NOT p0) (NOT p1)), acceptance={} source=4 dest: 1}, { cond=(AND p0 (NOT p1)), acceptance={} source=4 dest: 4}], [{ cond=(AND (NOT p0) p2 (NOT p1)), acceptance={} source=5 dest: 1}, { cond=(AND (NOT p0) p2), acceptance={} source=5 dest: 2}, { cond=(AND p0 p2 (NOT p1)), acceptance={} source=5 dest: 4}, { cond=(AND p0 p2), acceptance={} source=5 dest: 5}]], initial=0, aps=[p0:(OR (EQ s706 0) (EQ s1239 0)), p3:(OR (AND (EQ s710 1) (EQ s1204 1)) (AND (EQ s1095 1) (EQ s1355 1))), p2:(AND (EQ s710 1) (EQ s1204 1)), p1:(AND (EQ s...], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, no-univ-branch, stutter-invariant, very-weak, weak, inherently-weak], stateDesc=[null, null, null, null, null, null][true, true, true, true, true, true]]
Product exploration explored 100000 steps with 0 reset in 9295 ms.
Product exploration explored 100000 steps with 2 reset in 8703 ms.
Computed a total of 0 stabilizing places and 0 stable transitions
Computed a total of 0 stabilizing places and 0 stable transitions
Knowledge obtained : [(AND p0 (NOT p3) (NOT p2) (NOT p1)), (X (NOT p2)), (X (NOT p1)), (X (NOT (AND (NOT p0) (NOT p3) p2))), (X (AND p0 (NOT p3))), (X (NOT (AND (NOT p0) (NOT p3) p2 (NOT p1)))), (X (NOT (AND (NOT p3) p2))), (X (NOT (AND (NOT p0) (NOT p3)))), (X (NOT (AND p0 (NOT p3) p2))), (X (AND p0 (NOT p1))), (X (NOT p3)), (X (NOT (AND (NOT p0) p2))), (X (NOT (AND p0 p2 (NOT p1)))), (X (NOT (AND p0 (NOT p3) p2 (NOT p1)))), (X (NOT (AND p2 (NOT p1)))), (X (NOT (AND (NOT p3) p2 (NOT p1)))), (X (NOT (AND p0 p2))), (X (NOT (AND (NOT p0) (NOT p1)))), (X (NOT (AND (NOT p0) p2 (NOT p1)))), (X (X (NOT p2))), (X (X (NOT p1))), (X (X (NOT (AND (NOT p0) (NOT p3) p2)))), (X (X (AND p0 (NOT p3)))), (X (X (NOT (AND (NOT p0) (NOT p3) p2 (NOT p1))))), (X (X (NOT (AND (NOT p3) p2)))), (X (X (NOT (AND (NOT p0) (NOT p3))))), (X (X (NOT (AND p0 (NOT p3) p2)))), (X (X (AND p0 (NOT p1)))), (X (X (NOT p3))), (X (X (NOT (AND (NOT p0) p2)))), (X (X (NOT (AND p0 p2 (NOT p1))))), (X (X (NOT (AND p0 (NOT p3) p2 (NOT p1))))), (X (X (NOT (AND p2 (NOT p1))))), (X (X (NOT (AND (NOT p3) p2 (NOT p1))))), (X (X (NOT (AND p0 p2)))), (X (X (NOT (AND (NOT p0) (NOT p1))))), (X (X (NOT (AND (NOT p0) p2 (NOT p1)))))]
False Knowledge obtained : []
Knowledge based reduction with 37 factoid took 1645 ms. Reduced automaton from 6 states, 18 edges and 4 AP (stutter insensitive) to 6 states, 18 edges and 4 AP (stutter insensitive).
Stuttering acceptance computed with spot in 216 ms :[(AND (NOT p0) (NOT p3)), (NOT p1), p2, (NOT p3), (AND (NOT p1) (NOT p0)), (AND (NOT p0) p2)]
Incomplete random walk after 10000 steps, including 2 resets, run finished after 1282 ms. (steps per millisecond=7 ) properties (out of 18) seen :0
Incomplete Best-First random walk after 1000 steps, including 2 resets, run finished after 28 ms. (steps per millisecond=35 ) properties (out of 18) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 28 ms. (steps per millisecond=35 ) properties (out of 18) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 26 ms. (steps per millisecond=38 ) properties (out of 18) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 40 ms. (steps per millisecond=25 ) properties (out of 18) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 28 ms. (steps per millisecond=35 ) properties (out of 18) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 26 ms. (steps per millisecond=38 ) properties (out of 18) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 28 ms. (steps per millisecond=35 ) properties (out of 18) seen :0
Incomplete Best-First random walk after 1000 steps, including 2 resets, run finished after 28 ms. (steps per millisecond=35 ) properties (out of 18) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 27 ms. (steps per millisecond=37 ) properties (out of 18) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 28 ms. (steps per millisecond=35 ) properties (out of 18) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 27 ms. (steps per millisecond=37 ) properties (out of 18) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 26 ms. (steps per millisecond=38 ) properties (out of 18) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 26 ms. (steps per millisecond=38 ) properties (out of 18) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 27 ms. (steps per millisecond=37 ) properties (out of 18) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 26 ms. (steps per millisecond=38 ) properties (out of 18) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 25 ms. (steps per millisecond=40 ) properties (out of 18) seen :0
Incomplete Best-First random walk after 1000 steps, including 2 resets, run finished after 27 ms. (steps per millisecond=37 ) properties (out of 18) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 42 ms. (steps per millisecond=23 ) properties (out of 18) seen :0
Interrupted probabilistic random walk after 1916 steps, run timeout after 3006 ms. (steps per millisecond=0 ) properties seen :{}
Probabilistic random walk after 1916 steps, saw 1494 distinct states, run finished after 3007 ms. (steps per millisecond=0 ) properties seen :0
Running SMT prover for 18 properties.
[2023-03-17 10:09:13] [INFO ] Flow matrix only has 81237 transitions (discarded 63131 similar events)
[2023-03-17 10:09:13] [INFO ] Invariant cache hit.
[2023-03-17 10:09:14] [INFO ] [Real]Absence check using 19 positive place invariants in 14 ms returned sat
[2023-03-17 10:09:35] [INFO ] After 21504ms SMT Verify possible using state equation in real domain returned unsat :8 sat :3 real:7
[2023-03-17 10:09:36] [INFO ] State equation strengthened by 741 read => feed constraints.
java.lang.RuntimeException: SMT solver raised an error when submitting script. Raised (error "Failed to assert expression: java.io.IOException: Broken pipe ...
at fr.lip6.move.gal.structural.smt.SMTUtils.execAndCheckResult(SMTUtils.java:251)
at fr.lip6.move.gal.structural.smt.DeadlockTester.verifyPossible(DeadlockTester.java:642)
at fr.lip6.move.gal.structural.smt.DeadlockTester.testUnreachableWithSMTIncremental(DeadlockTester.java:339)
at fr.lip6.move.gal.structural.smt.DeadlockTester.testUnreachableWithSMT(DeadlockTester.java:223)
at fr.lip6.move.gal.application.solver.ReachabilitySolver.applyReductions(ReachabilitySolver.java:95)
at fr.lip6.move.gal.application.solver.ltl.LTLPropertySolver.addInvarianceKnowledge(LTLPropertySolver.java:701)
at fr.lip6.move.gal.application.solver.ltl.LTLPropertySolver.applyKnowledgeBasedReductions(LTLPropertySolver.java:568)
at fr.lip6.move.gal.application.solver.ltl.LTLPropertySolver.checkLTLProperty(LTLPropertySolver.java:251)
at fr.lip6.move.gal.application.solver.ltl.LTLPropertySolver.runStutteringLTLTest(LTLPropertySolver.java:225)
at fr.lip6.move.gal.application.solver.ltl.LTLPropertySolver.runStructuralLTLCheck(LTLPropertySolver.java:76)
at fr.lip6.move.gal.application.Application.startNoEx(Application.java:762)
at fr.lip6.move.gal.application.Application.start(Application.java:178)
at fr.lip6.move.gal.itscl.application.Application.start(Application.java:45)
at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:203)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:136)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:104)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:402)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:255)
at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:77)
at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.base/java.lang.reflect.Method.invoke(Method.java:568)
at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:659)
at org.eclipse.equinox.launcher.Main.basicRun(Main.java:596)
at org.eclipse.equinox.launcher.Main.run(Main.java:1467)
at org.eclipse.equinox.launcher.Main.main(Main.java:1440)
[2023-03-17 10:09:38] [WARNING] SMT solver failed with error :SMT solver raised an error when submitting script.... while checking expressions.
[2023-03-17 10:09:38] [INFO ] After 25020ms 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 8 out of 1380 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 1380/1380 places, 144368/144368 transitions.
Applied a total of 0 rules in 1030 ms. Remains 1380 /1380 variables (removed 0) and now considering 144368/144368 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 1034 ms. Remains : 1380/1380 places, 144368/144368 transitions.
Incomplete random walk after 10000 steps, including 2 resets, run finished after 1614 ms. (steps per millisecond=6 ) properties (out of 10) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 156 ms. (steps per millisecond=64 ) properties (out of 10) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 160 ms. (steps per millisecond=62 ) properties (out of 10) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 159 ms. (steps per millisecond=62 ) properties (out of 10) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 130 ms. (steps per millisecond=76 ) properties (out of 10) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 114 ms. (steps per millisecond=87 ) properties (out of 10) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 120 ms. (steps per millisecond=83 ) properties (out of 10) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 117 ms. (steps per millisecond=85 ) properties (out of 10) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 120 ms. (steps per millisecond=83 ) properties (out of 10) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 130 ms. (steps per millisecond=76 ) properties (out of 10) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 129 ms. (steps per millisecond=77 ) properties (out of 10) seen :0
Interrupted probabilistic random walk after 5402 steps, run timeout after 6004 ms. (steps per millisecond=0 ) properties seen :{}
Probabilistic random walk after 5402 steps, saw 4197 distinct states, run finished after 6005 ms. (steps per millisecond=0 ) properties seen :0
Running SMT prover for 10 properties.
[2023-03-17 10:09:48] [INFO ] Flow matrix only has 81237 transitions (discarded 63131 similar events)
[2023-03-17 10:09:49] [INFO ] Invariant cache hit.
[2023-03-17 10:09:49] [INFO ] [Real]Absence check using 19 positive place invariants in 16 ms returned sat
[2023-03-17 10:10:12] [INFO ] After 23194ms SMT Verify possible using state equation in real domain returned unsat :0 sat :5 real:5
[2023-03-17 10:10:13] [INFO ] State equation strengthened by 741 read => feed constraints.
java.lang.RuntimeException: SMT solver raised an error when submitting script. Raised (error "Failed to assert expression: java.io.IOException: Broken pipe ...
at fr.lip6.move.gal.structural.smt.SMTUtils.execAndCheckResult(SMTUtils.java:251)
at fr.lip6.move.gal.structural.smt.DeadlockTester.verifyPossible(DeadlockTester.java:642)
at fr.lip6.move.gal.structural.smt.DeadlockTester.testUnreachableWithSMTIncremental(DeadlockTester.java:339)
at fr.lip6.move.gal.structural.smt.DeadlockTester.testUnreachableWithSMT(DeadlockTester.java:223)
at fr.lip6.move.gal.application.solver.ReachabilitySolver.applyReductions(ReachabilitySolver.java:95)
at fr.lip6.move.gal.application.solver.ltl.LTLPropertySolver.addInvarianceKnowledge(LTLPropertySolver.java:701)
at fr.lip6.move.gal.application.solver.ltl.LTLPropertySolver.applyKnowledgeBasedReductions(LTLPropertySolver.java:568)
at fr.lip6.move.gal.application.solver.ltl.LTLPropertySolver.checkLTLProperty(LTLPropertySolver.java:251)
at fr.lip6.move.gal.application.solver.ltl.LTLPropertySolver.runStutteringLTLTest(LTLPropertySolver.java:225)
at fr.lip6.move.gal.application.solver.ltl.LTLPropertySolver.runStructuralLTLCheck(LTLPropertySolver.java:76)
at fr.lip6.move.gal.application.Application.startNoEx(Application.java:762)
at fr.lip6.move.gal.application.Application.start(Application.java:178)
at fr.lip6.move.gal.itscl.application.Application.start(Application.java:45)
at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:203)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:136)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:104)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:402)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:255)
at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:77)
at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.base/java.lang.reflect.Method.invoke(Method.java:568)
at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:659)
at org.eclipse.equinox.launcher.Main.basicRun(Main.java:596)
at org.eclipse.equinox.launcher.Main.run(Main.java:1467)
at org.eclipse.equinox.launcher.Main.main(Main.java:1440)
[2023-03-17 10:10:14] [WARNING] SMT solver failed with error :SMT solver raised an error when submitting script.... while checking expressions.
[2023-03-17 10:10:14] [INFO ] After 25025ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0
Fused 10 Parikh solutions to 1 different solutions.
Parikh walk visited 0 properties in 0 ms.
Support contains 8 out of 1380 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 1380/1380 places, 144368/144368 transitions.
Applied a total of 0 rules in 880 ms. Remains 1380 /1380 variables (removed 0) and now considering 144368/144368 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 880 ms. Remains : 1380/1380 places, 144368/144368 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 1380/1380 places, 144368/144368 transitions.
Applied a total of 0 rules in 878 ms. Remains 1380 /1380 variables (removed 0) and now considering 144368/144368 (removed 0) transitions.
[2023-03-17 10:10:15] [INFO ] Flow matrix only has 81237 transitions (discarded 63131 similar events)
[2023-03-17 10:10:15] [INFO ] Invariant cache hit.
[2023-03-17 10:10:23] [INFO ] Implicit Places using invariants in 7819 ms returned []
Implicit Place search using SMT only with invariants took 7819 ms to find 0 implicit places.
[2023-03-17 10:10:23] [INFO ] Flow matrix only has 81237 transitions (discarded 63131 similar events)
[2023-03-17 10:10:23] [INFO ] Invariant cache hit.
[2023-03-17 10:10:53] [INFO ] Performed 88823/144368 'is it Dead' test of which 0 returned DEAD in 30 seconds.
[2023-03-17 10:11:12] [INFO ] Dead Transitions using invariants and state equation in 48649 ms found 0 transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 57356 ms. Remains : 1380/1380 places, 144368/144368 transitions.
Found 8 invariant AP formulas.
Knowledge obtained : [(AND p0 (NOT p3) (NOT p2) (NOT p1)), (X (NOT p2)), (X (NOT p1)), (X (NOT (AND (NOT p0) (NOT p3) p2))), (X (AND p0 (NOT p3))), (X (NOT (AND (NOT p0) (NOT p3) p2 (NOT p1)))), (X (NOT (AND (NOT p3) p2))), (X (NOT (AND (NOT p0) (NOT p3)))), (X (NOT (AND p0 (NOT p3) p2))), (X (AND p0 (NOT p1))), (X (NOT p3)), (X (NOT (AND (NOT p0) p2))), (X (NOT (AND p0 p2 (NOT p1)))), (X (NOT (AND p0 (NOT p3) p2 (NOT p1)))), (X (NOT (AND p2 (NOT p1)))), (X (NOT (AND (NOT p3) p2 (NOT p1)))), (X (NOT (AND p0 p2))), (X (NOT (AND (NOT p0) (NOT p1)))), (X (NOT (AND (NOT p0) p2 (NOT p1)))), (X (X (NOT p2))), (X (X (NOT p1))), (X (X (NOT (AND (NOT p0) (NOT p3) p2)))), (X (X (AND p0 (NOT p3)))), (X (X (NOT (AND (NOT p0) (NOT p3) p2 (NOT p1))))), (X (X (NOT (AND (NOT p3) p2)))), (X (X (NOT (AND (NOT p0) (NOT p3))))), (X (X (NOT (AND p0 (NOT p3) p2)))), (X (X (AND p0 (NOT p1)))), (X (X (NOT p3))), (X (X (NOT (AND (NOT p0) p2)))), (X (X (NOT (AND p0 p2 (NOT p1))))), (X (X (NOT (AND p0 (NOT p3) p2 (NOT p1))))), (X (X (NOT (AND p2 (NOT p1))))), (X (X (NOT (AND (NOT p3) p2 (NOT p1))))), (X (X (NOT (AND p0 p2)))), (X (X (NOT (AND (NOT p0) (NOT p1))))), (X (X (NOT (AND (NOT p0) p2 (NOT p1))))), (G (NOT (AND (NOT p0) p2))), (G (NOT (AND p0 (NOT p1) p2 (NOT p3)))), (G (NOT (AND (NOT p0) (NOT p1) p2))), (G (NOT (AND p0 p2 (NOT p3)))), (G (NOT (AND (NOT p0) p2 (NOT p3)))), (G (NOT (AND (NOT p0) (NOT p1) p2 (NOT p3)))), (G (NOT (AND p2 (NOT p3)))), (G (NOT (AND (NOT p1) p2 (NOT p3))))]
False Knowledge obtained : []
Knowledge based reduction with 45 factoid took 2204 ms. Reduced automaton from 6 states, 18 edges and 4 AP (stutter insensitive) to 2 states, 3 edges and 2 AP (stutter insensitive).
Stuttering acceptance computed with spot in 60 ms :[(NOT p3), (AND (NOT p3) (NOT p0))]
Stuttering acceptance computed with spot in 64 ms :[(NOT p3), (AND (NOT p3) (NOT p0))]
Support contains 6 out of 1380 places. Attempting structural reductions.
Property had overlarge support with respect to TGBA, discarding it for now.
Starting structural reductions in SI_LTL mode, iteration 0 : 1380/1380 places, 144368/144368 transitions.
Applied a total of 0 rules in 930 ms. Remains 1380 /1380 variables (removed 0) and now considering 144368/144368 (removed 0) transitions.
[2023-03-17 10:11:15] [INFO ] Flow matrix only has 81237 transitions (discarded 63131 similar events)
[2023-03-17 10:11:15] [INFO ] Invariant cache hit.
[2023-03-17 10:11:24] [INFO ] Implicit Places using invariants in 8173 ms returned []
Implicit Place search using SMT only with invariants took 8174 ms to find 0 implicit places.
[2023-03-17 10:11:24] [INFO ] Flow matrix only has 81237 transitions (discarded 63131 similar events)
[2023-03-17 10:11:24] [INFO ] Invariant cache hit.
[2023-03-17 10:11:54] [INFO ] Performed 90307/144368 'is it Dead' test of which 0 returned DEAD in 30 seconds.
[2023-03-17 10:12:12] [INFO ] Dead Transitions using invariants and state equation in 48251 ms found 0 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 57360 ms. Remains : 1380/1380 places, 144368/144368 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 p3) p0), (X (NOT p3)), (X (NOT (AND (NOT p3) (NOT p0)))), (X (AND (NOT p3) p0)), (X (X (NOT p3))), (X (X (NOT (AND (NOT p3) (NOT p0))))), (X (X (AND (NOT p3) p0)))]
False Knowledge obtained : []
Knowledge based reduction with 7 factoid took 262 ms. Reduced automaton from 2 states, 3 edges and 2 AP (stutter insensitive) to 2 states, 3 edges and 2 AP (stutter insensitive).
Stuttering acceptance computed with spot in 58 ms :[(NOT p3), (AND (NOT p3) (NOT p0))]
Incomplete random walk after 10000 steps, including 2 resets, run finished after 1011 ms. (steps per millisecond=9 ) properties (out of 3) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 173 ms. (steps per millisecond=57 ) properties (out of 3) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 107 ms. (steps per millisecond=93 ) properties (out of 3) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 121 ms. (steps per millisecond=82 ) properties (out of 3) seen :0
Interrupted probabilistic random walk after 2281 steps, run timeout after 3006 ms. (steps per millisecond=0 ) properties seen :{}
Probabilistic random walk after 2281 steps, saw 1782 distinct states, run finished after 3006 ms. (steps per millisecond=0 ) properties seen :0
Running SMT prover for 3 properties.
[2023-03-17 10:12:18] [INFO ] Flow matrix only has 81237 transitions (discarded 63131 similar events)
[2023-03-17 10:12:18] [INFO ] Invariant cache hit.
[2023-03-17 10:12:18] [INFO ] [Real]Absence check using 19 positive place invariants in 15 ms returned sat
[2023-03-17 10:12:18] [INFO ] After 273ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:3
[2023-03-17 10:12:18] [INFO ] [Nat]Absence check using 19 positive place invariants in 14 ms returned sat
[2023-03-17 10:12:40] [INFO ] After 21810ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :3
[2023-03-17 10:12:41] [INFO ] State equation strengthened by 741 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)
[2023-03-17 10:12:43] [WARNING] SMT solver failed with error :SMT solver raised an error when submitting script.... while checking expressions.
[2023-03-17 10:12:43] [INFO ] After 25028ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :0 real:3
Fused 3 Parikh solutions to 1 different solutions.
Parikh walk visited 0 properties in 0 ms.
Support contains 6 out of 1380 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 1380/1380 places, 144368/144368 transitions.
Applied a total of 0 rules in 1136 ms. Remains 1380 /1380 variables (removed 0) and now considering 144368/144368 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 1139 ms. Remains : 1380/1380 places, 144368/144368 transitions.
Incomplete random walk after 10000 steps, including 2 resets, run finished after 1132 ms. (steps per millisecond=8 ) properties (out of 3) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 111 ms. (steps per millisecond=90 ) properties (out of 3) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 146 ms. (steps per millisecond=68 ) properties (out of 3) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 102 ms. (steps per millisecond=98 ) properties (out of 3) seen :0
Interrupted probabilistic random walk after 2531 steps, run timeout after 3003 ms. (steps per millisecond=0 ) properties seen :{}
Probabilistic random walk after 2531 steps, saw 1987 distinct states, run finished after 3003 ms. (steps per millisecond=0 ) properties seen :0
Running SMT prover for 3 properties.
[2023-03-17 10:12:49] [INFO ] Flow matrix only has 81237 transitions (discarded 63131 similar events)
[2023-03-17 10:12:49] [INFO ] Invariant cache hit.
[2023-03-17 10:12:49] [INFO ] [Real]Absence check using 19 positive place invariants in 14 ms returned sat
[2023-03-17 10:12:49] [INFO ] After 270ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:3
[2023-03-17 10:12:49] [INFO ] [Nat]Absence check using 19 positive place invariants in 14 ms returned sat
[2023-03-17 10:13:11] [INFO ] After 21615ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :3
[2023-03-17 10:13:12] [INFO ] State equation strengthened by 741 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)
[2023-03-17 10:13:14] [WARNING] SMT solver failed with error :SMT solver raised an error when submitting script.... while checking expressions.
[2023-03-17 10:13:14] [INFO ] After 25020ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :0 real:3
Fused 3 Parikh solutions to 1 different solutions.
Parikh walk visited 0 properties in 0 ms.
Support contains 6 out of 1380 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 1380/1380 places, 144368/144368 transitions.
Applied a total of 0 rules in 870 ms. Remains 1380 /1380 variables (removed 0) and now considering 144368/144368 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 873 ms. Remains : 1380/1380 places, 144368/144368 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 1380/1380 places, 144368/144368 transitions.
Applied a total of 0 rules in 997 ms. Remains 1380 /1380 variables (removed 0) and now considering 144368/144368 (removed 0) transitions.
[2023-03-17 10:13:16] [INFO ] Flow matrix only has 81237 transitions (discarded 63131 similar events)
[2023-03-17 10:13:16] [INFO ] Invariant cache hit.
[2023-03-17 10:13:24] [INFO ] Implicit Places using invariants in 7869 ms returned []
Implicit Place search using SMT only with invariants took 7870 ms to find 0 implicit places.
[2023-03-17 10:13:24] [INFO ] Flow matrix only has 81237 transitions (discarded 63131 similar events)
[2023-03-17 10:13:24] [INFO ] Invariant cache hit.
[2023-03-17 10:13:54] [INFO ] Performed 89202/144368 'is it Dead' test of which 0 returned DEAD in 30 seconds.
[2023-03-17 10:14:14] [INFO ] Dead Transitions using invariants and state equation in 49548 ms found 0 transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 58428 ms. Remains : 1380/1380 places, 144368/144368 transitions.
Knowledge obtained : [(AND (NOT p3) p0), (X (NOT p3)), (X (NOT (AND (NOT p3) (NOT p0)))), (X (AND (NOT p3) p0)), (X (X (NOT p3))), (X (X (NOT (AND (NOT p3) (NOT p0))))), (X (X (AND (NOT p3) p0)))]
False Knowledge obtained : []
Knowledge based reduction with 7 factoid took 314 ms. Reduced automaton from 2 states, 3 edges and 2 AP (stutter insensitive) to 2 states, 3 edges and 2 AP (stutter insensitive).
Stuttering acceptance computed with spot in 58 ms :[(NOT p3), (AND (NOT p3) (NOT p0))]
Stuttering acceptance computed with spot in 66 ms :[(NOT p3), (AND (NOT p3) (NOT p0))]
Stuttering acceptance computed with spot in 60 ms :[(NOT p3), (AND (NOT p3) (NOT p0))]
Product exploration explored 100000 steps with 3 reset in 8449 ms.
Product exploration explored 100000 steps with 0 reset in 8243 ms.
Support contains 6 out of 1380 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 1380/1380 places, 144368/144368 transitions.
Applied a total of 0 rules in 804 ms. Remains 1380 /1380 variables (removed 0) and now considering 144368/144368 (removed 0) transitions.
[2023-03-17 10:14:32] [INFO ] Flow matrix only has 81237 transitions (discarded 63131 similar events)
[2023-03-17 10:14:32] [INFO ] Invariant cache hit.
[2023-03-17 10:14:40] [INFO ] Implicit Places using invariants in 8003 ms returned []
Implicit Place search using SMT only with invariants took 8004 ms to find 0 implicit places.
[2023-03-17 10:14:40] [INFO ] Flow matrix only has 81237 transitions (discarded 63131 similar events)
[2023-03-17 10:14:40] [INFO ] Invariant cache hit.
[2023-03-17 10:15:10] [INFO ] Performed 91346/144368 'is it Dead' test of which 0 returned DEAD in 30 seconds.
[2023-03-17 10:15:28] [INFO ] Dead Transitions using invariants and state equation in 47568 ms found 0 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 56378 ms. Remains : 1380/1380 places, 144368/144368 transitions.
Treatment of property RERS17pb115-PT-1-LTLFireability-12 finished in 465106 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202303021504/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(F((X(X(F(p0)))||(F(p2)&&p1))))'
Support contains 6 out of 1381 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 1381/1381 places, 144369/144369 transitions.
Applied a total of 0 rules in 478 ms. Remains 1381 /1381 variables (removed 0) and now considering 144369/144369 (removed 0) transitions.
[2023-03-17 10:15:34] [INFO ] Flow matrix only has 81238 transitions (discarded 63131 similar events)
// Phase 1: matrix 81238 rows 1381 cols
[2023-03-17 10:15:34] [INFO ] Computed 19 place invariants in 313 ms
[2023-03-17 10:15:42] [INFO ] Implicit Places using invariants in 8439 ms returned []
Implicit Place search using SMT only with invariants took 8442 ms to find 0 implicit places.
[2023-03-17 10:15:42] [INFO ] Flow matrix only has 81238 transitions (discarded 63131 similar events)
[2023-03-17 10:15:42] [INFO ] Invariant cache hit.
[2023-03-17 10:16:12] [INFO ] Performed 88908/144369 'is it Dead' test of which 0 returned DEAD in 30 seconds.
[2023-03-17 10:16:32] [INFO ] Dead Transitions using invariants and state equation in 49525 ms found 0 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 58449 ms. Remains : 1381/1381 places, 144369/144369 transitions.
Stuttering acceptance computed with spot in 181 ms :[(AND (NOT p2) (NOT p0)), (AND (NOT p2) (NOT p0)), (OR (AND (NOT p0) (NOT p1)) (AND (NOT p0) (NOT p2))), (OR (AND (NOT p0) (NOT p1)) (AND (NOT p0) (NOT p2))), (OR (AND (NOT p0) (NOT p1)) (AND (NOT p0) (NOT p2)))]
Running random walk in product with property : RERS17pb115-PT-1-LTLFireability-13 automaton TGBA Formula[mat=[[{ cond=(NOT p2), acceptance={} source=0 dest: 1}], [{ cond=(AND (NOT p2) (NOT p0)), acceptance={0} source=1 dest: 1}], [{ cond=(AND p1 (NOT p2) (NOT p0)), acceptance={0} source=2 dest: 1}, { cond=(AND (NOT p1) (NOT p0)), acceptance={0} source=2 dest: 2}], [{ cond=(AND p1 (NOT p2)), acceptance={} source=3 dest: 0}, { cond=(NOT p1), acceptance={} source=3 dest: 4}], [{ cond=(AND p1 (NOT p2)), acceptance={} source=4 dest: 1}, { cond=(NOT p1), acceptance={} source=4 dest: 2}]], initial=3, aps=[p2:(AND (EQ s232 1) (EQ s953 1)), p0:(OR (NEQ s101 1) (NEQ s1367 1)), p1:(AND (EQ s330 1) (EQ s942 1))], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, deterministic, no-univ-branch, unambiguous, semi-deterministic, stutter-sensitive, very-weak, weak, inherently-weak], stateDesc=[null, null, null, null, null][false, false, false, false, false]]
Product exploration timeout after 71250 steps with 23750 reset in 10002 ms.
Product exploration timeout after 76600 steps with 25533 reset in 10001 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 p2) p0 (NOT p1)), (X (NOT p1)), (X (NOT (AND p1 (NOT p2)))), (X (NOT p2)), (X (X (NOT (AND p1 (NOT p2) (NOT p0))))), (X (X (NOT (AND (NOT p2) (NOT p0))))), (X (X (NOT (AND (NOT p1) (NOT p0)))))]
False Knowledge obtained : []
Knowledge sufficient to adopt a stutter insensitive property.
Property proved to be true thanks to knowledge :(AND (NOT p2) p0 (NOT p1))
Knowledge based reduction with 7 factoid took 203 ms. Reduced automaton from 5 states, 8 edges and 3 AP (stutter sensitive) to 1 states, 0 edges and 0 AP (stutter insensitive).
FORMULA RERS17pb115-PT-1-LTLFireability-13 TRUE TECHNIQUES KNOWLEDGE
Treatment of property RERS17pb115-PT-1-LTLFireability-13 finished in 79459 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((G(X(X(p0))) U X(p1)))))'
Support contains 2 out of 1381 places. Attempting structural reductions.
Property had overlarge support with respect to TGBA, discarding it for now.
Starting structural reductions in SI_LTL mode, iteration 0 : 1381/1381 places, 144369/144369 transitions.
Reduce places removed 1 places and 1 transitions.
Applied a total of 0 rules in 1169 ms. Remains 1380 /1381 variables (removed 1) and now considering 144368/144369 (removed 1) transitions.
[2023-03-17 10:16:54] [INFO ] Flow matrix only has 81237 transitions (discarded 63131 similar events)
// Phase 1: matrix 81237 rows 1380 cols
[2023-03-17 10:16:54] [INFO ] Computed 19 place invariants in 237 ms
[2023-03-17 10:17:02] [INFO ] Implicit Places using invariants in 7946 ms returned []
Implicit Place search using SMT only with invariants took 7947 ms to find 0 implicit places.
[2023-03-17 10:17:02] [INFO ] Flow matrix only has 81237 transitions (discarded 63131 similar events)
[2023-03-17 10:17:02] [INFO ] Invariant cache hit.
[2023-03-17 10:17:32] [INFO ] Performed 89545/144368 'is it Dead' test of which 0 returned DEAD in 30 seconds.
[2023-03-17 10:17:50] [INFO ] Dead Transitions using invariants and state equation in 48581 ms found 0 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 57701 ms. Remains : 1380/1381 places, 144368/144369 transitions.
Stuttering acceptance computed with spot in 65 ms :[(NOT p1), (NOT p1)]
Running random walk in product with property : RERS17pb115-PT-1-LTLFireability-14 automaton TGBA Formula[mat=[[{ cond=true, acceptance={} source=0 dest: 0}, { cond=(NOT p1), acceptance={} source=0 dest: 1}], [{ cond=(NOT p1), acceptance={0} source=1 dest: 1}]], initial=0, aps=[p1:(AND (EQ s275 1) (EQ s810 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 9326 ms.
Product exploration explored 100000 steps with 0 reset in 8711 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 p1), (X (NOT p1)), (X (X (NOT p1)))]
False Knowledge obtained : []
Knowledge based reduction with 3 factoid took 111 ms. Reduced automaton from 2 states, 3 edges and 1 AP (stutter insensitive) to 2 states, 3 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 62 ms :[(NOT p1), (NOT p1)]
Incomplete random walk after 10000 steps, including 2 resets, run finished after 957 ms. (steps per millisecond=10 ) properties (out of 1) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 104 ms. (steps per millisecond=96 ) properties (out of 1) seen :0
Interrupted probabilistic random walk after 2276 steps, run timeout after 3005 ms. (steps per millisecond=0 ) properties seen :{}
Probabilistic random walk after 2276 steps, saw 1778 distinct states, run finished after 3005 ms. (steps per millisecond=0 ) properties seen :0
Running SMT prover for 1 properties.
[2023-03-17 10:18:14] [INFO ] Flow matrix only has 81237 transitions (discarded 63131 similar events)
[2023-03-17 10:18:14] [INFO ] Invariant cache hit.
[2023-03-17 10:18:14] [INFO ] [Real]Absence check using 19 positive place invariants in 15 ms returned sat
[2023-03-17 10:18:34] [INFO ] After 19358ms SMT Verify possible using state equation in real domain returned unsat :0 sat :1
[2023-03-17 10:18:35] [INFO ] State equation strengthened by 741 read => feed constraints.
java.lang.RuntimeException: SMT solver raised an error when submitting script. Raised (error "Failed to assert expression: java.io.IOException: Broken pipe ...
at fr.lip6.move.gal.structural.smt.SMTUtils.execAndCheckResult(SMTUtils.java:251)
at fr.lip6.move.gal.structural.smt.DeadlockTester.verifyPossible(DeadlockTester.java:642)
at fr.lip6.move.gal.structural.smt.DeadlockTester.testUnreachableWithSMTIncremental(DeadlockTester.java:339)
at fr.lip6.move.gal.structural.smt.DeadlockTester.testUnreachableWithSMT(DeadlockTester.java:223)
at fr.lip6.move.gal.application.solver.ReachabilitySolver.applyReductions(ReachabilitySolver.java:95)
at fr.lip6.move.gal.application.solver.ltl.LTLPropertySolver.addInvarianceKnowledge(LTLPropertySolver.java:701)
at fr.lip6.move.gal.application.solver.ltl.LTLPropertySolver.applyKnowledgeBasedReductions(LTLPropertySolver.java:568)
at fr.lip6.move.gal.application.solver.ltl.LTLPropertySolver.checkLTLProperty(LTLPropertySolver.java:251)
at fr.lip6.move.gal.application.solver.ltl.LTLPropertySolver.runStutteringLTLTest(LTLPropertySolver.java:225)
at fr.lip6.move.gal.application.solver.ltl.LTLPropertySolver.runStructuralLTLCheck(LTLPropertySolver.java:76)
at fr.lip6.move.gal.application.Application.startNoEx(Application.java:762)
at fr.lip6.move.gal.application.Application.start(Application.java:178)
at fr.lip6.move.gal.itscl.application.Application.start(Application.java:45)
at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:203)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:136)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:104)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:402)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:255)
at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:77)
at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.base/java.lang.reflect.Method.invoke(Method.java:568)
at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:659)
at org.eclipse.equinox.launcher.Main.basicRun(Main.java:596)
at org.eclipse.equinox.launcher.Main.run(Main.java:1467)
at org.eclipse.equinox.launcher.Main.main(Main.java:1440)
[2023-03-17 10:18:39] [WARNING] SMT solver failed with error :SMT solver raised an error when submitting script.... while checking expressions.
[2023-03-17 10:18:39] [INFO ] After 25028ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0
Parikh walk visited 0 properties in 0 ms.
Support contains 2 out of 1380 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 1380/1380 places, 144368/144368 transitions.
Applied a total of 0 rules in 1035 ms. Remains 1380 /1380 variables (removed 0) and now considering 144368/144368 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 1039 ms. Remains : 1380/1380 places, 144368/144368 transitions.
Incomplete random walk after 10000 steps, including 2 resets, run finished after 1049 ms. (steps per millisecond=9 ) properties (out of 1) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 109 ms. (steps per millisecond=91 ) properties (out of 1) seen :0
Interrupted probabilistic random walk after 2254 steps, run timeout after 3005 ms. (steps per millisecond=0 ) properties seen :{}
Probabilistic random walk after 2254 steps, saw 1760 distinct states, run finished after 3005 ms. (steps per millisecond=0 ) properties seen :0
Running SMT prover for 1 properties.
[2023-03-17 10:18:45] [INFO ] Flow matrix only has 81237 transitions (discarded 63131 similar events)
[2023-03-17 10:18:45] [INFO ] Invariant cache hit.
[2023-03-17 10:18:45] [INFO ] [Real]Absence check using 19 positive place invariants in 13 ms returned sat
[2023-03-17 10:19:04] [INFO ] After 19408ms SMT Verify possible using state equation in real domain returned unsat :0 sat :1
[2023-03-17 10:19:05] [INFO ] State equation strengthened by 741 read => feed constraints.
java.lang.RuntimeException: SMT solver raised an error when submitting script. Raised (error "Failed to assert expression: java.io.IOException: Broken pipe ...
at fr.lip6.move.gal.structural.smt.SMTUtils.execAndCheckResult(SMTUtils.java:251)
at fr.lip6.move.gal.structural.smt.DeadlockTester.verifyPossible(DeadlockTester.java:642)
at fr.lip6.move.gal.structural.smt.DeadlockTester.testUnreachableWithSMTIncremental(DeadlockTester.java:339)
at fr.lip6.move.gal.structural.smt.DeadlockTester.testUnreachableWithSMT(DeadlockTester.java:223)
at fr.lip6.move.gal.application.solver.ReachabilitySolver.applyReductions(ReachabilitySolver.java:95)
at fr.lip6.move.gal.application.solver.ltl.LTLPropertySolver.addInvarianceKnowledge(LTLPropertySolver.java:701)
at fr.lip6.move.gal.application.solver.ltl.LTLPropertySolver.applyKnowledgeBasedReductions(LTLPropertySolver.java:568)
at fr.lip6.move.gal.application.solver.ltl.LTLPropertySolver.checkLTLProperty(LTLPropertySolver.java:251)
at fr.lip6.move.gal.application.solver.ltl.LTLPropertySolver.runStutteringLTLTest(LTLPropertySolver.java:225)
at fr.lip6.move.gal.application.solver.ltl.LTLPropertySolver.runStructuralLTLCheck(LTLPropertySolver.java:76)
at fr.lip6.move.gal.application.Application.startNoEx(Application.java:762)
at fr.lip6.move.gal.application.Application.start(Application.java:178)
at fr.lip6.move.gal.itscl.application.Application.start(Application.java:45)
at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:203)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:136)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:104)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:402)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:255)
at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:77)
at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.base/java.lang.reflect.Method.invoke(Method.java:568)
at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:659)
at org.eclipse.equinox.launcher.Main.basicRun(Main.java:596)
at org.eclipse.equinox.launcher.Main.run(Main.java:1467)
at org.eclipse.equinox.launcher.Main.main(Main.java:1440)
[2023-03-17 10:19:10] [WARNING] SMT solver failed with error :SMT solver raised an error when submitting script.... while checking expressions.
[2023-03-17 10:19:10] [INFO ] After 25016ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0
Parikh walk visited 0 properties in 0 ms.
Support contains 2 out of 1380 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 1380/1380 places, 144368/144368 transitions.
Applied a total of 0 rules in 900 ms. Remains 1380 /1380 variables (removed 0) and now considering 144368/144368 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 901 ms. Remains : 1380/1380 places, 144368/144368 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 1380/1380 places, 144368/144368 transitions.
Applied a total of 0 rules in 1001 ms. Remains 1380 /1380 variables (removed 0) and now considering 144368/144368 (removed 0) transitions.
[2023-03-17 10:19:12] [INFO ] Flow matrix only has 81237 transitions (discarded 63131 similar events)
[2023-03-17 10:19:12] [INFO ] Invariant cache hit.
[2023-03-17 10:19:20] [INFO ] Implicit Places using invariants in 7942 ms returned []
Implicit Place search using SMT only with invariants took 7943 ms to find 0 implicit places.
[2023-03-17 10:19:20] [INFO ] Flow matrix only has 81237 transitions (discarded 63131 similar events)
[2023-03-17 10:19:20] [INFO ] Invariant cache hit.
[2023-03-17 10:19:50] [INFO ] Performed 89972/144368 'is it Dead' test of which 0 returned DEAD in 30 seconds.
[2023-03-17 10:20:08] [INFO ] Dead Transitions using invariants and state equation in 48136 ms found 0 transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 57091 ms. Remains : 1380/1380 places, 144368/144368 transitions.
Knowledge obtained : [(NOT p1), (X (NOT p1)), (X (X (NOT p1)))]
False Knowledge obtained : []
Knowledge based reduction with 3 factoid took 123 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 99 ms :[(NOT p1), (NOT p1)]
Stuttering acceptance computed with spot in 65 ms :[(NOT p1), (NOT p1)]
[2023-03-17 10:20:08] [INFO ] Flow matrix only has 81237 transitions (discarded 63131 similar events)
[2023-03-17 10:20:09] [INFO ] Invariant cache hit.
Could not prove EG (NOT p1)
Support contains 2 out of 1380 places. Attempting structural reductions.
Property had overlarge support with respect to TGBA, discarding it for now.
Starting structural reductions in SI_LTL mode, iteration 0 : 1380/1380 places, 144368/144368 transitions.
Applied a total of 0 rules in 810 ms. Remains 1380 /1380 variables (removed 0) and now considering 144368/144368 (removed 0) transitions.
[2023-03-17 10:20:25] [INFO ] Flow matrix only has 81237 transitions (discarded 63131 similar events)
[2023-03-17 10:20:25] [INFO ] Invariant cache hit.
[2023-03-17 10:20:33] [INFO ] Implicit Places using invariants in 8072 ms returned []
Implicit Place search using SMT only with invariants took 8072 ms to find 0 implicit places.
[2023-03-17 10:20:33] [INFO ] Flow matrix only has 81237 transitions (discarded 63131 similar events)
[2023-03-17 10:20:33] [INFO ] Invariant cache hit.
[2023-03-17 10:21:03] [INFO ] Performed 90681/144368 'is it Dead' test of which 0 returned DEAD in 30 seconds.
[2023-03-17 10:21:21] [INFO ] Dead Transitions using invariants and state equation in 47792 ms found 0 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 56678 ms. Remains : 1380/1380 places, 144368/144368 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 p1), (X (NOT p1)), (X (X (NOT p1)))]
False Knowledge obtained : []
Knowledge based reduction with 3 factoid took 114 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 60 ms :[(NOT p1), (NOT p1)]
Incomplete random walk after 10000 steps, including 2 resets, run finished after 1032 ms. (steps per millisecond=9 ) properties (out of 1) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 107 ms. (steps per millisecond=93 ) properties (out of 1) seen :0
Interrupted probabilistic random walk after 2254 steps, run timeout after 3005 ms. (steps per millisecond=0 ) properties seen :{}
Probabilistic random walk after 2254 steps, saw 1760 distinct states, run finished after 3005 ms. (steps per millisecond=0 ) properties seen :0
Running SMT prover for 1 properties.
[2023-03-17 10:21:26] [INFO ] Flow matrix only has 81237 transitions (discarded 63131 similar events)
[2023-03-17 10:21:26] [INFO ] Invariant cache hit.
[2023-03-17 10:21:26] [INFO ] [Real]Absence check using 19 positive place invariants in 14 ms returned sat
[2023-03-17 10:21:46] [INFO ] After 19536ms SMT Verify possible using state equation in real domain returned unsat :0 sat :1
[2023-03-17 10:21:47] [INFO ] State equation strengthened by 741 read => feed constraints.
java.lang.RuntimeException: SMT solver raised an error when submitting script. Raised (error "Failed to assert expression: java.io.IOException: Broken pipe ...
at fr.lip6.move.gal.structural.smt.SMTUtils.execAndCheckResult(SMTUtils.java:251)
at fr.lip6.move.gal.structural.smt.DeadlockTester.verifyPossible(DeadlockTester.java:642)
at fr.lip6.move.gal.structural.smt.DeadlockTester.testUnreachableWithSMTIncremental(DeadlockTester.java:339)
at fr.lip6.move.gal.structural.smt.DeadlockTester.testUnreachableWithSMT(DeadlockTester.java:223)
at fr.lip6.move.gal.application.solver.ReachabilitySolver.applyReductions(ReachabilitySolver.java:95)
at fr.lip6.move.gal.application.solver.ltl.LTLPropertySolver.addInvarianceKnowledge(LTLPropertySolver.java:701)
at fr.lip6.move.gal.application.solver.ltl.LTLPropertySolver.applyKnowledgeBasedReductions(LTLPropertySolver.java:568)
at fr.lip6.move.gal.application.solver.ltl.LTLPropertySolver.checkLTLProperty(LTLPropertySolver.java:261)
at fr.lip6.move.gal.application.solver.ltl.LTLPropertySolver.runStutteringLTLTest(LTLPropertySolver.java:225)
at fr.lip6.move.gal.application.solver.ltl.LTLPropertySolver.runStructuralLTLCheck(LTLPropertySolver.java:76)
at fr.lip6.move.gal.application.Application.startNoEx(Application.java:762)
at fr.lip6.move.gal.application.Application.start(Application.java:178)
at fr.lip6.move.gal.itscl.application.Application.start(Application.java:45)
at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:203)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:136)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:104)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:402)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:255)
at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:77)
at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.base/java.lang.reflect.Method.invoke(Method.java:568)
at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:659)
at org.eclipse.equinox.launcher.Main.basicRun(Main.java:596)
at org.eclipse.equinox.launcher.Main.run(Main.java:1467)
at org.eclipse.equinox.launcher.Main.main(Main.java:1440)
[2023-03-17 10:21:51] [WARNING] SMT solver failed with error :SMT solver raised an error when submitting script.... while checking expressions.
[2023-03-17 10:21:51] [INFO ] After 25023ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0
Parikh walk visited 0 properties in 0 ms.
Support contains 2 out of 1380 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 1380/1380 places, 144368/144368 transitions.
Applied a total of 0 rules in 1177 ms. Remains 1380 /1380 variables (removed 0) and now considering 144368/144368 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 1180 ms. Remains : 1380/1380 places, 144368/144368 transitions.
Incomplete random walk after 10000 steps, including 2 resets, run finished after 1135 ms. (steps per millisecond=8 ) properties (out of 1) seen :0
Incomplete Best-First random walk after 10000 steps, including 2 resets, run finished after 142 ms. (steps per millisecond=70 ) properties (out of 1) seen :0
Interrupted probabilistic random walk after 2201 steps, run timeout after 3005 ms. (steps per millisecond=0 ) properties seen :{}
Probabilistic random walk after 2201 steps, saw 1717 distinct states, run finished after 3006 ms. (steps per millisecond=0 ) properties seen :0
Running SMT prover for 1 properties.
[2023-03-17 10:21:57] [INFO ] Flow matrix only has 81237 transitions (discarded 63131 similar events)
[2023-03-17 10:21:57] [INFO ] Invariant cache hit.
[2023-03-17 10:21:57] [INFO ] [Real]Absence check using 19 positive place invariants in 14 ms returned sat
[2023-03-17 10:22:17] [INFO ] After 19549ms SMT Verify possible using state equation in real domain returned unsat :0 sat :1
[2023-03-17 10:22:17] [INFO ] State equation strengthened by 741 read => feed constraints.
java.lang.RuntimeException: SMT solver raised an error when submitting script. Raised (error "Failed to assert expression: java.io.IOException: Broken pipe ...
at fr.lip6.move.gal.structural.smt.SMTUtils.execAndCheckResult(SMTUtils.java:251)
at fr.lip6.move.gal.structural.smt.DeadlockTester.verifyPossible(DeadlockTester.java:642)
at fr.lip6.move.gal.structural.smt.DeadlockTester.testUnreachableWithSMTIncremental(DeadlockTester.java:339)
at fr.lip6.move.gal.structural.smt.DeadlockTester.testUnreachableWithSMT(DeadlockTester.java:223)
at fr.lip6.move.gal.application.solver.ReachabilitySolver.applyReductions(ReachabilitySolver.java:95)
at fr.lip6.move.gal.application.solver.ltl.LTLPropertySolver.addInvarianceKnowledge(LTLPropertySolver.java:701)
at fr.lip6.move.gal.application.solver.ltl.LTLPropertySolver.applyKnowledgeBasedReductions(LTLPropertySolver.java:568)
at fr.lip6.move.gal.application.solver.ltl.LTLPropertySolver.checkLTLProperty(LTLPropertySolver.java:261)
at fr.lip6.move.gal.application.solver.ltl.LTLPropertySolver.runStutteringLTLTest(LTLPropertySolver.java:225)
at fr.lip6.move.gal.application.solver.ltl.LTLPropertySolver.runStructuralLTLCheck(LTLPropertySolver.java:76)
at fr.lip6.move.gal.application.Application.startNoEx(Application.java:762)
at fr.lip6.move.gal.application.Application.start(Application.java:178)
at fr.lip6.move.gal.itscl.application.Application.start(Application.java:45)
at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:203)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:136)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:104)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:402)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:255)
at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:77)
at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.base/java.lang.reflect.Method.invoke(Method.java:568)
at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:659)
at org.eclipse.equinox.launcher.Main.basicRun(Main.java:596)
at org.eclipse.equinox.launcher.Main.run(Main.java:1467)
at org.eclipse.equinox.launcher.Main.main(Main.java:1440)
[2023-03-17 10:22:22] [WARNING] SMT solver failed with error :SMT solver raised an error when submitting script.... while checking expressions.
[2023-03-17 10:22:22] [INFO ] After 25018ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0
Parikh walk visited 0 properties in 0 ms.
Support contains 2 out of 1380 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 1380/1380 places, 144368/144368 transitions.
Applied a total of 0 rules in 930 ms. Remains 1380 /1380 variables (removed 0) and now considering 144368/144368 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 930 ms. Remains : 1380/1380 places, 144368/144368 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 1380/1380 places, 144368/144368 transitions.
Applied a total of 0 rules in 890 ms. Remains 1380 /1380 variables (removed 0) and now considering 144368/144368 (removed 0) transitions.
[2023-03-17 10:22:24] [INFO ] Flow matrix only has 81237 transitions (discarded 63131 similar events)
[2023-03-17 10:22:24] [INFO ] Invariant cache hit.
[2023-03-17 10:22:32] [INFO ] Implicit Places using invariants in 7846 ms returned []
Implicit Place search using SMT only with invariants took 7847 ms to find 0 implicit places.
[2023-03-17 10:22:32] [INFO ] Flow matrix only has 81237 transitions (discarded 63131 similar events)
[2023-03-17 10:22:32] [INFO ] Invariant cache hit.
TIME LIMIT: Killed by timeout after 3600 seconds
MemTotal: 16393216 kB
MemFree: 10116356 kB
After kill :
MemTotal: 16393216 kB
MemFree: 15999460 kB

BK_TIME_CONFINEMENT_REACHED

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

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

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="RERS17pb115-PT-1"
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 RERS17pb115-PT-1, 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-167889201700148"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/RERS17pb115-PT-1.tgz
mv RERS17pb115-PT-1 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 ;