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-167889201700164.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-3, examination is LTLFireability
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r329-tall-167889201700164
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 70M
-rw-r--r-- 1 mcc users 4.9K Feb 25 13:49 CTLCardinality.txt
-rw-r--r-- 1 mcc users 44K Feb 25 13:49 CTLCardinality.xml
-rw-r--r-- 1 mcc users 8.4K Feb 25 13:46 CTLFireability.txt
-rw-r--r-- 1 mcc users 64K Feb 25 13:46 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K Jan 29 11:41 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 6.4K Jan 29 11:41 GenericPropertiesVerdict.xml
-rw-r--r-- 1 mcc users 3.7K Feb 25 16:39 LTLCardinality.txt
-rw-r--r-- 1 mcc users 26K Feb 25 16:39 LTLCardinality.xml
-rw-r--r-- 1 mcc users 3.0K Feb 25 16:39 LTLFireability.txt
-rw-r--r-- 1 mcc users 17K Feb 25 16:39 LTLFireability.xml
-rw-r--r-- 1 mcc users 11K Feb 25 13:57 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 106K Feb 25 13:57 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 11K Feb 25 13:54 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 64K 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-3-LTLFireability-00
FORMULA_NAME RERS17pb115-PT-3-LTLFireability-01
FORMULA_NAME RERS17pb115-PT-3-LTLFireability-02
FORMULA_NAME RERS17pb115-PT-3-LTLFireability-03
FORMULA_NAME RERS17pb115-PT-3-LTLFireability-04
FORMULA_NAME RERS17pb115-PT-3-LTLFireability-05
FORMULA_NAME RERS17pb115-PT-3-LTLFireability-06
FORMULA_NAME RERS17pb115-PT-3-LTLFireability-07
FORMULA_NAME RERS17pb115-PT-3-LTLFireability-08
FORMULA_NAME RERS17pb115-PT-3-LTLFireability-09
FORMULA_NAME RERS17pb115-PT-3-LTLFireability-10
FORMULA_NAME RERS17pb115-PT-3-LTLFireability-11
FORMULA_NAME RERS17pb115-PT-3-LTLFireability-12
FORMULA_NAME RERS17pb115-PT-3-LTLFireability-13
FORMULA_NAME RERS17pb115-PT-3-LTLFireability-14
FORMULA_NAME RERS17pb115-PT-3-LTLFireability-15

=== Now, execution of the tool begins

BK_START 1679052278142

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-3
Applying reductions before tool ltsmin
Invoking reducer
Running Version 202303021504
[2023-03-17 11:24:39] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, LTLFireability, -timeout, 360, -rebuildPNML]
[2023-03-17 11:24:39] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2023-03-17 11:24:41] [INFO ] Load time of PNML (sax parser for PT used): 1737 ms
[2023-03-17 11:24:41] [INFO ] Transformed 1399 places.
[2023-03-17 11:24:41] [INFO ] Transformed 144369 transitions.
[2023-03-17 11:24:41] [INFO ] Parsed PT model containing 1399 places and 144369 transitions and 577414 arcs in 2481 ms.
Parsed 16 properties from file /home/mcc/execution/LTLFireability.xml in 27 ms.
Working with output stream class java.io.PrintStream
Initial state reduction rules removed 3 formulas.
FORMULA RERS17pb115-PT-3-LTLFireability-00 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA RERS17pb115-PT-3-LTLFireability-05 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA RERS17pb115-PT-3-LTLFireability-08 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Support contains 60 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 720 ms. Remains 1381 /1399 variables (removed 18) and now considering 144369/144369 (removed 0) transitions.
[2023-03-17 11:24:43] [INFO ] Flow matrix only has 81238 transitions (discarded 63131 similar events)
// Phase 1: matrix 81238 rows 1381 cols
[2023-03-17 11:24:44] [INFO ] Computed 19 place invariants in 392 ms
[2023-03-17 11:24:51] [INFO ] Implicit Places using invariants in 7826 ms returned []
Implicit Place search using SMT only with invariants took 7854 ms to find 0 implicit places.
[2023-03-17 11:24:51] [INFO ] Flow matrix only has 81238 transitions (discarded 63131 similar events)
[2023-03-17 11:24:51] [INFO ] Invariant cache hit.
[2023-03-17 11:25:21] [INFO ] Performed 99491/144369 'is it Dead' test of which 0 returned DEAD in 30 seconds.
[2023-03-17 11:25:35] [INFO ] Dead Transitions using invariants and state equation in 43463 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 52049 ms. Remains : 1381/1399 places, 144369/144369 transitions.
Support contains 60 out of 1381 places after structural reductions.
[2023-03-17 11:25:39] [INFO ] Flatten gal took : 3635 ms
[2023-03-17 11:25:43] [INFO ] Flatten gal took : 3576 ms
[2023-03-17 11:25:50] [INFO ] Input system was already deterministic with 144369 transitions.
Support contains 58 out of 1381 places (down from 60) after GAL structural reductions.
Incomplete random walk after 10000 steps, including 2 resets, run finished after 1223 ms. (steps per millisecond=8 ) properties (out of 27) seen :2
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 20 ms. (steps per millisecond=50 ) properties (out of 25) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 20 ms. (steps per millisecond=50 ) properties (out of 25) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 20 ms. (steps per millisecond=50 ) properties (out of 25) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 22 ms. (steps per millisecond=45 ) properties (out of 25) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 20 ms. (steps per millisecond=50 ) properties (out of 25) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 20 ms. (steps per millisecond=50 ) properties (out of 25) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 19 ms. (steps per millisecond=52 ) properties (out of 25) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 20 ms. (steps per millisecond=50 ) properties (out of 25) seen :0
Incomplete Best-First random walk after 1000 steps, including 2 resets, run finished after 21 ms. (steps per millisecond=47 ) properties (out of 25) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 20 ms. (steps per millisecond=50 ) properties (out of 25) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 21 ms. (steps per millisecond=47 ) properties (out of 25) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 20 ms. (steps per millisecond=50 ) properties (out of 25) seen :0
Incomplete Best-First random walk after 1000 steps, including 2 resets, run finished after 20 ms. (steps per millisecond=50 ) properties (out of 25) seen :0
Incomplete Best-First random walk after 1000 steps, including 2 resets, run finished after 20 ms. (steps per millisecond=50 ) properties (out of 25) seen :0
Incomplete Best-First random walk after 1000 steps, including 2 resets, run finished after 21 ms. (steps per millisecond=47 ) properties (out of 25) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 20 ms. (steps per millisecond=50 ) properties (out of 25) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 19 ms. (steps per millisecond=52 ) properties (out of 25) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 22 ms. (steps per millisecond=45 ) properties (out of 25) seen :0
Incomplete Best-First random walk after 1000 steps, including 2 resets, run finished after 22 ms. (steps per millisecond=45 ) properties (out of 25) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 21 ms. (steps per millisecond=47 ) properties (out of 25) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 20 ms. (steps per millisecond=50 ) properties (out of 25) seen :0
Incomplete Best-First random walk after 1000 steps, including 2 resets, run finished after 19 ms. (steps per millisecond=52 ) properties (out of 25) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 20 ms. (steps per millisecond=50 ) properties (out of 25) seen :0
Incomplete Best-First random walk after 1000 steps, including 2 resets, run finished after 19 ms. (steps per millisecond=52 ) properties (out of 25) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 19 ms. (steps per millisecond=52 ) properties (out of 25) seen :0
Interrupted probabilistic random walk after 2922 steps, run timeout after 3002 ms. (steps per millisecond=0 ) properties seen :{}
Probabilistic random walk after 2922 steps, saw 2471 distinct states, run finished after 3006 ms. (steps per millisecond=0 ) properties seen :0
Running SMT prover for 25 properties.
[2023-03-17 11:25:56] [INFO ] Flow matrix only has 81238 transitions (discarded 63131 similar events)
[2023-03-17 11:25:56] [INFO ] Invariant cache hit.
[2023-03-17 11:25:56] [INFO ] [Real]Absence check using 19 positive place invariants in 15 ms returned sat
[2023-03-17 11:26:21] [INFO ] After 23739ms SMT Verify possible using state equation in real domain returned unsat :0 sat :25
[2023-03-17 11:26:22] [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.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 11:26:22] [WARNING] SMT solver failed with error :SMT solver raised an error when submitting script.... while checking expressions.
[2023-03-17 11:26:22] [INFO ] After 26234ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0
Fused 25 Parikh solutions to 2 different solutions.
Parikh walk visited 0 properties in 48 ms.
Support contains 54 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 2183 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 2188 ms. Remains : 1380/1381 places, 144368/144369 transitions.
Incomplete random walk after 10000 steps, including 2 resets, run finished after 1024 ms. (steps per millisecond=9 ) properties (out of 25) seen :0
Incomplete Best-First random walk after 1000 steps, including 2 resets, run finished after 93 ms. (steps per millisecond=10 ) properties (out of 25) seen :0
Incomplete Best-First random walk after 1000 steps, including 2 resets, run finished after 21 ms. (steps per millisecond=47 ) properties (out of 25) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 20 ms. (steps per millisecond=50 ) properties (out of 25) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 21 ms. (steps per millisecond=47 ) properties (out of 25) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 21 ms. (steps per millisecond=47 ) properties (out of 25) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 19 ms. (steps per millisecond=52 ) properties (out of 25) seen :0
Incomplete Best-First random walk after 1000 steps, including 2 resets, run finished after 21 ms. (steps per millisecond=47 ) properties (out of 25) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 20 ms. (steps per millisecond=50 ) properties (out of 25) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 20 ms. (steps per millisecond=50 ) properties (out of 25) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 21 ms. (steps per millisecond=47 ) properties (out of 25) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 20 ms. (steps per millisecond=50 ) properties (out of 25) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 20 ms. (steps per millisecond=50 ) properties (out of 25) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 21 ms. (steps per millisecond=47 ) properties (out of 25) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 20 ms. (steps per millisecond=50 ) properties (out of 25) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 21 ms. (steps per millisecond=47 ) properties (out of 25) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 20 ms. (steps per millisecond=50 ) properties (out of 25) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 20 ms. (steps per millisecond=50 ) properties (out of 25) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 20 ms. (steps per millisecond=50 ) properties (out of 25) seen :0
Incomplete Best-First random walk after 1000 steps, including 2 resets, run finished after 21 ms. (steps per millisecond=47 ) properties (out of 25) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 20 ms. (steps per millisecond=50 ) properties (out of 25) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 20 ms. (steps per millisecond=50 ) properties (out of 25) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 21 ms. (steps per millisecond=47 ) properties (out of 25) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 19 ms. (steps per millisecond=52 ) properties (out of 25) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 20 ms. (steps per millisecond=50 ) properties (out of 25) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 20 ms. (steps per millisecond=50 ) properties (out of 25) seen :0
Interrupted probabilistic random walk after 3181 steps, run timeout after 3003 ms. (steps per millisecond=1 ) properties seen :{}
Probabilistic random walk after 3181 steps, saw 2686 distinct states, run finished after 3003 ms. (steps per millisecond=1 ) properties seen :0
Running SMT prover for 25 properties.
[2023-03-17 11:26:29] [INFO ] Flow matrix only has 81237 transitions (discarded 63131 similar events)
// Phase 1: matrix 81237 rows 1380 cols
[2023-03-17 11:26:29] [INFO ] Computed 19 place invariants in 256 ms
[2023-03-17 11:26:30] [INFO ] [Real]Absence check using 19 positive place invariants in 15 ms returned sat
[2023-03-17 11:26:55] [INFO ] After 23961ms SMT Verify possible using state equation in real domain returned unsat :0 sat :25
[2023-03-17 11:26:55] [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.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 11:26:55] [WARNING] SMT solver failed with error :SMT solver raised an error when submitting script.... while checking expressions.
[2023-03-17 11:26:55] [INFO ] After 25742ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0
Fused 25 Parikh solutions to 2 different solutions.
Parikh walk visited 0 properties in 20 ms.
Support contains 54 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 890 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 890 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 927 ms. Remains 1380 /1380 variables (removed 0) and now considering 144368/144368 (removed 0) transitions.
[2023-03-17 11:26:57] [INFO ] Flow matrix only has 81237 transitions (discarded 63131 similar events)
[2023-03-17 11:26:57] [INFO ] Invariant cache hit.
[2023-03-17 11:27:05] [INFO ] Implicit Places using invariants in 7685 ms returned []
Implicit Place search using SMT only with invariants took 7687 ms to find 0 implicit places.
[2023-03-17 11:27:05] [INFO ] Flow matrix only has 81237 transitions (discarded 63131 similar events)
[2023-03-17 11:27:05] [INFO ] Invariant cache hit.
[2023-03-17 11:27:35] [INFO ] Performed 97981/144368 'is it Dead' test of which 0 returned DEAD in 30 seconds.
[2023-03-17 11:27:49] [INFO ] Dead Transitions using invariants and state equation in 44274 ms found 0 transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 52903 ms. Remains : 1380/1380 places, 144368/144368 transitions.
Computed a total of 1 stabilizing places and 1 stable transitions
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202303021504/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(G((F(p0)&&F(G(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.
Reduce places removed 1 places and 1 transitions.
Applied a total of 0 rules in 994 ms. Remains 1380 /1381 variables (removed 1) and now considering 144368/144369 (removed 1) transitions.
[2023-03-17 11:27:51] [INFO ] Flow matrix only has 81237 transitions (discarded 63131 similar events)
[2023-03-17 11:27:51] [INFO ] Invariant cache hit.
[2023-03-17 11:27:59] [INFO ] Implicit Places using invariants in 8183 ms returned []
Implicit Place search using SMT only with invariants took 8188 ms to find 0 implicit places.
[2023-03-17 11:27:59] [INFO ] Flow matrix only has 81237 transitions (discarded 63131 similar events)
[2023-03-17 11:27:59] [INFO ] Invariant cache hit.
[2023-03-17 11:28:29] [INFO ] Performed 95231/144368 'is it Dead' test of which 0 returned DEAD in 30 seconds.
[2023-03-17 11:28:45] [INFO ] Dead Transitions using invariants and state equation in 45656 ms found 0 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 54844 ms. Remains : 1380/1381 places, 144368/144369 transitions.
Stuttering acceptance computed with spot in 269 ms :[(OR (NOT p0) (NOT p1)), (NOT p0), (NOT p1)]
Running random walk in product with property : RERS17pb115-PT-3-LTLFireability-01 automaton TGBA Formula[mat=[[{ cond=true, acceptance={} source=0 dest: 0}, { cond=(NOT p0), acceptance={} source=0 dest: 1}, { cond=(NOT p1), acceptance={} source=0 dest: 2}], [{ cond=(NOT p0), acceptance={0} source=1 dest: 1}], [{ cond=p1, acceptance={} source=2 dest: 2}, { cond=(NOT p1), acceptance={0} source=2 dest: 2}]], initial=0, aps=[p0:(AND (GEQ s165 1) (GEQ s279 1) (GEQ s245 1) (GEQ s875 1)), p1:(AND (GEQ s245 1) (GEQ s875 1) (GEQ s229 1) (GEQ s812 1))], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, no-univ-branch, stutter-invariant], stateDesc=[null, null, null][true, true, true]]
Product exploration explored 100000 steps with 0 reset in 8824 ms.
Product exploration explored 100000 steps with 0 reset in 9221 ms.
Computed a total of 0 stabilizing places and 0 stable transitions
Computed a total of 0 stabilizing places and 0 stable transitions
Knowledge obtained : [(AND (NOT p0) (NOT p1)), (X (NOT p0)), (X (NOT p1)), (X (X (NOT p0))), (X (X (NOT p1)))]
False Knowledge obtained : []
Knowledge based reduction with 5 factoid took 209 ms. Reduced automaton from 3 states, 6 edges and 2 AP (stutter insensitive) to 3 states, 6 edges and 2 AP (stutter insensitive).
Stuttering acceptance computed with spot in 120 ms :[(OR (NOT p0) (NOT p1)), (NOT p0), (NOT p1)]
Incomplete random walk after 10000 steps, including 2 resets, run finished after 967 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 83 ms. (steps per millisecond=120 ) properties (out of 2) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 85 ms. (steps per millisecond=117 ) properties (out of 2) seen :0
Interrupted probabilistic random walk after 3246 steps, run timeout after 3001 ms. (steps per millisecond=1 ) properties seen :{}
Probabilistic random walk after 3246 steps, saw 2741 distinct states, run finished after 3002 ms. (steps per millisecond=1 ) properties seen :0
Running SMT prover for 2 properties.
[2023-03-17 11:29:09] [INFO ] Flow matrix only has 81237 transitions (discarded 63131 similar events)
[2023-03-17 11:29:09] [INFO ] Invariant cache hit.
[2023-03-17 11:29:09] [INFO ] [Real]Absence check using 19 positive place invariants in 15 ms returned sat
[2023-03-17 11:29:29] [INFO ] After 20083ms SMT Verify possible using state equation in real domain returned unsat :0 sat :2
[2023-03-17 11:29:30] [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: 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 11:29:34] [WARNING] SMT solver failed with error :SMT solver raised an error when submitting script.... while checking expressions.
[2023-03-17 11:29:34] [INFO ] After 25022ms 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 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 942 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 945 ms. Remains : 1380/1380 places, 144368/144368 transitions.
Incomplete random walk after 10000 steps, including 2 resets, run finished after 932 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 77 ms. (steps per millisecond=129 ) properties (out of 2) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 80 ms. (steps per millisecond=125 ) properties (out of 2) seen :0
Interrupted probabilistic random walk after 3008 steps, run timeout after 3004 ms. (steps per millisecond=1 ) properties seen :{}
Probabilistic random walk after 3008 steps, saw 2543 distinct states, run finished after 3004 ms. (steps per millisecond=1 ) properties seen :0
Running SMT prover for 2 properties.
[2023-03-17 11:29:39] [INFO ] Flow matrix only has 81237 transitions (discarded 63131 similar events)
[2023-03-17 11:29:39] [INFO ] Invariant cache hit.
[2023-03-17 11:29:39] [INFO ] [Real]Absence check using 19 positive place invariants in 14 ms returned sat
[2023-03-17 11:30:00] [INFO ] After 20226ms SMT Verify possible using state equation in real domain returned unsat :0 sat :2
[2023-03-17 11:30:00] [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 11:30:04] [WARNING] SMT solver failed with error :SMT solver raised an error when submitting script.... while checking expressions.
[2023-03-17 11:30:04] [INFO ] After 25030ms 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 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 924 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 925 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 922 ms. Remains 1380 /1380 variables (removed 0) and now considering 144368/144368 (removed 0) transitions.
[2023-03-17 11:30:06] [INFO ] Flow matrix only has 81237 transitions (discarded 63131 similar events)
[2023-03-17 11:30:06] [INFO ] Invariant cache hit.
[2023-03-17 11:30:14] [INFO ] Implicit Places using invariants in 7581 ms returned []
Implicit Place search using SMT only with invariants took 7585 ms to find 0 implicit places.
[2023-03-17 11:30:14] [INFO ] Flow matrix only has 81237 transitions (discarded 63131 similar events)
[2023-03-17 11:30:14] [INFO ] Invariant cache hit.
[2023-03-17 11:30:44] [INFO ] Performed 99775/144368 'is it Dead' test of which 0 returned DEAD in 30 seconds.
[2023-03-17 11:30:57] [INFO ] Dead Transitions using invariants and state equation in 43313 ms found 0 transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 51833 ms. Remains : 1380/1380 places, 144368/144368 transitions.
Knowledge obtained : [(AND (NOT p0) (NOT p1)), (X (NOT p0)), (X (NOT p1)), (X (X (NOT p0))), (X (X (NOT p1)))]
False Knowledge obtained : []
Knowledge based reduction with 5 factoid took 179 ms. Reduced automaton from 3 states, 6 edges and 2 AP (stutter insensitive) to 3 states, 6 edges and 2 AP (stutter insensitive).
Stuttering acceptance computed with spot in 93 ms :[(OR (NOT p0) (NOT p1)), (NOT p0), (NOT p1)]
Stuttering acceptance computed with spot in 119 ms :[(OR (NOT p0) (NOT p1)), (NOT p0), (NOT p1)]
[2023-03-17 11:30:58] [INFO ] Flow matrix only has 81237 transitions (discarded 63131 similar events)
[2023-03-17 11:30:58] [INFO ] Invariant cache hit.
Could not prove EG (NOT p0)
[2023-03-17 11:31:13] [INFO ] Flow matrix only has 81237 transitions (discarded 63131 similar events)
[2023-03-17 11:31:14] [INFO ] Invariant cache hit.
Could not prove EG (NOT p1)
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 917 ms. Remains 1380 /1380 variables (removed 0) and now considering 144368/144368 (removed 0) transitions.
[2023-03-17 11:31:30] [INFO ] Flow matrix only has 81237 transitions (discarded 63131 similar events)
[2023-03-17 11:31:30] [INFO ] Invariant cache hit.
[2023-03-17 11:31:37] [INFO ] Implicit Places using invariants in 7877 ms returned []
Implicit Place search using SMT only with invariants took 7878 ms to find 0 implicit places.
[2023-03-17 11:31:37] [INFO ] Flow matrix only has 81237 transitions (discarded 63131 similar events)
[2023-03-17 11:31:37] [INFO ] Invariant cache hit.
[2023-03-17 11:32:08] [INFO ] Performed 100474/144368 'is it Dead' test of which 0 returned DEAD in 30 seconds.
[2023-03-17 11:32:21] [INFO ] Dead Transitions using invariants and state equation in 43285 ms found 0 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 52085 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 p0) (NOT p1)), (X (NOT p0)), (X (NOT p1)), (X (X (NOT p0))), (X (X (NOT p1)))]
False Knowledge obtained : []
Knowledge based reduction with 5 factoid took 175 ms. Reduced automaton from 3 states, 6 edges and 2 AP (stutter insensitive) to 3 states, 6 edges and 2 AP (stutter insensitive).
Stuttering acceptance computed with spot in 109 ms :[(OR (NOT p0) (NOT p1)), (NOT p0), (NOT p1)]
Incomplete random walk after 10000 steps, including 2 resets, run finished after 997 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 81 ms. (steps per millisecond=123 ) properties (out of 2) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 84 ms. (steps per millisecond=119 ) properties (out of 2) seen :0
Interrupted probabilistic random walk after 2918 steps, run timeout after 3005 ms. (steps per millisecond=0 ) properties seen :{}
Probabilistic random walk after 2918 steps, saw 2469 distinct states, run finished after 3006 ms. (steps per millisecond=0 ) properties seen :0
Running SMT prover for 2 properties.
[2023-03-17 11:32:26] [INFO ] Flow matrix only has 81237 transitions (discarded 63131 similar events)
[2023-03-17 11:32:26] [INFO ] Invariant cache hit.
[2023-03-17 11:32:26] [INFO ] [Real]Absence check using 19 positive place invariants in 16 ms returned sat
[2023-03-17 11:32:47] [INFO ] After 20143ms SMT Verify possible using state equation in real domain returned unsat :0 sat :2
[2023-03-17 11:32:47] [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: 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 11:32:51] [WARNING] SMT solver failed with error :SMT solver raised an error when submitting script.... while checking expressions.
[2023-03-17 11:32:51] [INFO ] After 25035ms 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 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 912 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 915 ms. Remains : 1380/1380 places, 144368/144368 transitions.
Incomplete random walk after 10000 steps, including 2 resets, run finished after 863 ms. (steps per millisecond=11 ) properties (out of 2) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 75 ms. (steps per millisecond=133 ) properties (out of 2) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 78 ms. (steps per millisecond=128 ) properties (out of 2) seen :0
Interrupted probabilistic random walk after 3083 steps, run timeout after 3001 ms. (steps per millisecond=1 ) properties seen :{}
Probabilistic random walk after 3083 steps, saw 2606 distinct states, run finished after 3001 ms. (steps per millisecond=1 ) properties seen :0
Running SMT prover for 2 properties.
[2023-03-17 11:32:57] [INFO ] Flow matrix only has 81237 transitions (discarded 63131 similar events)
[2023-03-17 11:32:57] [INFO ] Invariant cache hit.
[2023-03-17 11:32:57] [INFO ] [Real]Absence check using 19 positive place invariants in 13 ms returned sat
[2023-03-17 11:33:17] [INFO ] After 20135ms SMT Verify possible using state equation in real domain returned unsat :0 sat :2
[2023-03-17 11:33:18] [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 11:33:22] [WARNING] SMT solver failed with error :SMT solver raised an error when submitting script.... while checking expressions.
[2023-03-17 11:33:22] [INFO ] After 25033ms 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 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 894 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 895 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 896 ms. Remains 1380 /1380 variables (removed 0) and now considering 144368/144368 (removed 0) transitions.
[2023-03-17 11:33:24] [INFO ] Flow matrix only has 81237 transitions (discarded 63131 similar events)
[2023-03-17 11:33:24] [INFO ] Invariant cache hit.
[2023-03-17 11:33:31] [INFO ] Implicit Places using invariants in 7643 ms returned []
Implicit Place search using SMT only with invariants took 7646 ms to find 0 implicit places.
[2023-03-17 11:33:31] [INFO ] Flow matrix only has 81237 transitions (discarded 63131 similar events)
[2023-03-17 11:33:31] [INFO ] Invariant cache hit.
[2023-03-17 11:34:01] [INFO ] Performed 96548/144368 'is it Dead' test of which 0 returned DEAD in 30 seconds.
[2023-03-17 11:34:16] [INFO ] Dead Transitions using invariants and state equation in 44714 ms found 0 transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 53268 ms. Remains : 1380/1380 places, 144368/144368 transitions.
Knowledge obtained : [(AND (NOT p0) (NOT p1)), (X (NOT p0)), (X (NOT p1)), (X (X (NOT p0))), (X (X (NOT p1)))]
False Knowledge obtained : []
Knowledge based reduction with 5 factoid took 185 ms. Reduced automaton from 3 states, 6 edges and 2 AP (stutter insensitive) to 3 states, 6 edges and 2 AP (stutter insensitive).
Stuttering acceptance computed with spot in 169 ms :[(OR (NOT p0) (NOT p1)), (NOT p0), (NOT p1)]
Stuttering acceptance computed with spot in 110 ms :[(OR (NOT p0) (NOT p1)), (NOT p0), (NOT p1)]
[2023-03-17 11:34:17] [INFO ] Flow matrix only has 81237 transitions (discarded 63131 similar events)
[2023-03-17 11:34:17] [INFO ] Invariant cache hit.
Could not prove EG (NOT p0)
[2023-03-17 11:34:32] [INFO ] Flow matrix only has 81237 transitions (discarded 63131 similar events)
[2023-03-17 11:34:33] [INFO ] Invariant cache hit.
Could not prove EG (NOT p1)
Stuttering acceptance computed with spot in 121 ms :[(OR (NOT p0) (NOT p1)), (NOT p0), (NOT p1)]
Product exploration explored 100000 steps with 0 reset in 8651 ms.
Product exploration explored 100000 steps with 0 reset in 9160 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 857 ms. Remains 1380 /1380 variables (removed 0) and now considering 144368/144368 (removed 0) transitions.
[2023-03-17 11:35:07] [INFO ] Flow matrix only has 81237 transitions (discarded 63131 similar events)
[2023-03-17 11:35:07] [INFO ] Invariant cache hit.
[2023-03-17 11:35:14] [INFO ] Implicit Places using invariants in 7924 ms returned []
Implicit Place search using SMT only with invariants took 7927 ms to find 0 implicit places.
[2023-03-17 11:35:14] [INFO ] Flow matrix only has 81237 transitions (discarded 63131 similar events)
[2023-03-17 11:35:14] [INFO ] Invariant cache hit.
[2023-03-17 11:35:45] [INFO ] Performed 100134/144368 'is it Dead' test of which 0 returned DEAD in 30 seconds.
[2023-03-17 11:35:58] [INFO ] Dead Transitions using invariants and state equation in 43332 ms found 0 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 52119 ms. Remains : 1380/1380 places, 144368/144368 transitions.
Treatment of property RERS17pb115-PT-3-LTLFireability-01 finished in 493256 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202303021504/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(F((p0||(X(G(p1))&&F(!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.
Reduce places removed 1 places and 1 transitions.
Applied a total of 0 rules in 977 ms. Remains 1380 /1381 variables (removed 1) and now considering 144368/144369 (removed 1) transitions.
[2023-03-17 11:36:04] [INFO ] Flow matrix only has 81237 transitions (discarded 63131 similar events)
[2023-03-17 11:36:04] [INFO ] Invariant cache hit.
[2023-03-17 11:36:12] [INFO ] Implicit Places using invariants in 7815 ms returned []
Implicit Place search using SMT only with invariants took 7817 ms to find 0 implicit places.
[2023-03-17 11:36:12] [INFO ] Flow matrix only has 81237 transitions (discarded 63131 similar events)
[2023-03-17 11:36:12] [INFO ] Invariant cache hit.
[2023-03-17 11:36:42] [INFO ] Performed 100120/144368 'is it Dead' test of which 0 returned DEAD in 30 seconds.
[2023-03-17 11:36:55] [INFO ] Dead Transitions using invariants and state equation in 43322 ms found 0 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 52119 ms. Remains : 1380/1381 places, 144368/144369 transitions.
Stuttering acceptance computed with spot in 48 ms :[(AND (NOT p0) (NOT p1))]
Running random walk in product with property : RERS17pb115-PT-3-LTLFireability-02 automaton TGBA Formula[mat=[[{ cond=(AND (NOT p0) p1), acceptance={} source=0 dest: 0}, { cond=(AND (NOT p0) (NOT p1)), acceptance={0} source=0 dest: 0}]], initial=0, aps=[p0:(AND (GEQ s894 1) (GEQ s1379 1)), p1:(AND (GEQ s145 1) (GEQ s784 1))], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, deterministic, no-univ-branch, unambiguous, semi-deterministic, stutter-invariant], stateDesc=[null][true]]
Product exploration explored 100000 steps with 1 reset in 8668 ms.
Product exploration explored 100000 steps with 0 reset in 8443 ms.
Computed a total of 0 stabilizing places and 0 stable transitions
Computed a total of 0 stabilizing places and 0 stable transitions
Knowledge obtained : [(AND (NOT p0) (NOT p1)), (X (AND (NOT p0) (NOT p1))), (X (NOT (AND (NOT p0) p1))), (X (X (AND (NOT p0) (NOT p1)))), (X (X (NOT (AND (NOT p0) p1))))]
False Knowledge obtained : []
Knowledge based reduction with 5 factoid took 196 ms. Reduced automaton from 1 states, 2 edges and 2 AP (stutter insensitive) to 1 states, 2 edges and 2 AP (stutter insensitive).
Stuttering acceptance computed with spot in 41 ms :[(AND (NOT p0) (NOT p1))]
Incomplete random walk after 10000 steps, including 2 resets, run finished after 879 ms. (steps per millisecond=11 ) properties (out of 2) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 75 ms. (steps per millisecond=133 ) properties (out of 2) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 72 ms. (steps per millisecond=138 ) properties (out of 2) seen :0
Interrupted probabilistic random walk after 3327 steps, run timeout after 3003 ms. (steps per millisecond=1 ) properties seen :{}
Probabilistic random walk after 3327 steps, saw 2808 distinct states, run finished after 3004 ms. (steps per millisecond=1 ) properties seen :0
Running SMT prover for 2 properties.
[2023-03-17 11:37:18] [INFO ] Flow matrix only has 81237 transitions (discarded 63131 similar events)
[2023-03-17 11:37:18] [INFO ] Invariant cache hit.
[2023-03-17 11:37:18] [INFO ] [Real]Absence check using 19 positive place invariants in 14 ms returned sat
[2023-03-17 11:37:37] [INFO ] After 19729ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:2
[2023-03-17 11:37:38] [INFO ] [Nat]Absence check using 19 positive place invariants in 16 ms returned sat
[2023-03-17 11:37:58] [INFO ] After 20185ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :2
[2023-03-17 11:37:59] [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: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 11:38:03] [WARNING] SMT solver failed with error :SMT solver raised an error when submitting script.... while checking expressions.
[2023-03-17 11:38:03] [INFO ] After 25027ms 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 901 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 906 ms. Remains : 1380/1380 places, 144368/144368 transitions.
Incomplete random walk after 10000 steps, including 2 resets, run finished after 880 ms. (steps per millisecond=11 ) properties (out of 2) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 78 ms. (steps per millisecond=128 ) properties (out of 2) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 81 ms. (steps per millisecond=123 ) properties (out of 2) seen :0
Interrupted probabilistic random walk after 3065 steps, run timeout after 3004 ms. (steps per millisecond=1 ) properties seen :{}
Probabilistic random walk after 3065 steps, saw 2591 distinct states, run finished after 3005 ms. (steps per millisecond=1 ) properties seen :0
Running SMT prover for 2 properties.
[2023-03-17 11:38:08] [INFO ] Flow matrix only has 81237 transitions (discarded 63131 similar events)
[2023-03-17 11:38:08] [INFO ] Invariant cache hit.
[2023-03-17 11:38:08] [INFO ] [Real]Absence check using 19 positive place invariants in 13 ms returned sat
[2023-03-17 11:38:27] [INFO ] After 19314ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:2
[2023-03-17 11:38:27] [INFO ] [Nat]Absence check using 19 positive place invariants in 14 ms returned sat
[2023-03-17 11:38:48] [INFO ] After 20312ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :2
[2023-03-17 11:38:48] [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: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 11:38:52] [WARNING] SMT solver failed with error :SMT solver raised an error when submitting script.... while checking expressions.
[2023-03-17 11:38:52] [INFO ] After 25026ms 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 892 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 892 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 934 ms. Remains 1380 /1380 variables (removed 0) and now considering 144368/144368 (removed 0) transitions.
[2023-03-17 11:38:54] [INFO ] Flow matrix only has 81237 transitions (discarded 63131 similar events)
[2023-03-17 11:38:54] [INFO ] Invariant cache hit.
[2023-03-17 11:39:02] [INFO ] Implicit Places using invariants in 7613 ms returned []
Implicit Place search using SMT only with invariants took 7614 ms to find 0 implicit places.
[2023-03-17 11:39:02] [INFO ] Flow matrix only has 81237 transitions (discarded 63131 similar events)
[2023-03-17 11:39:02] [INFO ] Invariant cache hit.
[2023-03-17 11:39:32] [INFO ] Performed 98189/144368 'is it Dead' test of which 0 returned DEAD in 30 seconds.
[2023-03-17 11:39:46] [INFO ] Dead Transitions using invariants and state equation in 44610 ms found 0 transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 53169 ms. Remains : 1380/1380 places, 144368/144368 transitions.
Knowledge obtained : [(AND (NOT p0) (NOT p1)), (X (AND (NOT p0) (NOT p1))), (X (NOT (AND (NOT p0) p1))), (X (X (AND (NOT p0) (NOT p1)))), (X (X (NOT (AND (NOT p0) p1))))]
False Knowledge obtained : []
Knowledge based reduction with 5 factoid took 190 ms. Reduced automaton from 1 states, 2 edges and 2 AP (stutter insensitive) to 1 states, 2 edges and 2 AP (stutter insensitive).
Stuttering acceptance computed with spot in 29 ms :[(AND (NOT p0) (NOT p1))]
Stuttering acceptance computed with spot in 26 ms :[(AND (NOT p0) (NOT p1))]
[2023-03-17 11:39:47] [INFO ] Flow matrix only has 81237 transitions (discarded 63131 similar events)
[2023-03-17 11:39:47] [INFO ] Invariant cache hit.
Could not prove EG (AND (NOT p0) (NOT p1))
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 928 ms. Remains 1380 /1380 variables (removed 0) and now considering 144368/144368 (removed 0) transitions.
[2023-03-17 11:40:03] [INFO ] Flow matrix only has 81237 transitions (discarded 63131 similar events)
[2023-03-17 11:40:03] [INFO ] Invariant cache hit.
[2023-03-17 11:40:11] [INFO ] Implicit Places using invariants in 7651 ms returned []
Implicit Place search using SMT only with invariants took 7652 ms to find 0 implicit places.
[2023-03-17 11:40:11] [INFO ] Flow matrix only has 81237 transitions (discarded 63131 similar events)
[2023-03-17 11:40:11] [INFO ] Invariant cache hit.
[2023-03-17 11:40:41] [INFO ] Performed 100490/144368 'is it Dead' test of which 0 returned DEAD in 30 seconds.
[2023-03-17 11:40:54] [INFO ] Dead Transitions using invariants and state equation in 43172 ms found 0 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 51756 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 p0) (NOT p1)), (X (AND (NOT p0) (NOT p1))), (X (NOT (AND (NOT p0) p1))), (X (X (AND (NOT p0) (NOT p1)))), (X (X (NOT (AND (NOT p0) p1))))]
False Knowledge obtained : []
Knowledge based reduction with 5 factoid took 214 ms. Reduced automaton from 1 states, 2 edges and 2 AP (stutter insensitive) to 1 states, 2 edges and 2 AP (stutter insensitive).
Stuttering acceptance computed with spot in 35 ms :[(AND (NOT p0) (NOT p1))]
Incomplete random walk after 10000 steps, including 2 resets, run finished after 876 ms. (steps per millisecond=11 ) properties (out of 2) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 75 ms. (steps per millisecond=133 ) properties (out of 2) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 71 ms. (steps per millisecond=140 ) properties (out of 2) seen :0
Interrupted probabilistic random walk after 3438 steps, run timeout after 3003 ms. (steps per millisecond=1 ) properties seen :{}
Probabilistic random walk after 3438 steps, saw 2903 distinct states, run finished after 3004 ms. (steps per millisecond=1 ) properties seen :0
Running SMT prover for 2 properties.
[2023-03-17 11:40:59] [INFO ] Flow matrix only has 81237 transitions (discarded 63131 similar events)
[2023-03-17 11:40:59] [INFO ] Invariant cache hit.
[2023-03-17 11:41:00] [INFO ] [Real]Absence check using 19 positive place invariants in 14 ms returned sat
[2023-03-17 11:41:19] [INFO ] After 19143ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:2
[2023-03-17 11:41:19] [INFO ] [Nat]Absence check using 19 positive place invariants in 12 ms returned sat
[2023-03-17 11:41:39] [INFO ] After 20297ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :2
[2023-03-17 11:41:40] [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: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 11:41:44] [WARNING] SMT solver failed with error :SMT solver raised an error when submitting script.... while checking expressions.
[2023-03-17 11:41:44] [INFO ] After 25016ms 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 896 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 899 ms. Remains : 1380/1380 places, 144368/144368 transitions.
Incomplete random walk after 10000 steps, including 2 resets, run finished after 930 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 76 ms. (steps per millisecond=131 ) properties (out of 2) seen :0
Incomplete Best-First random walk after 10000 steps, including 2 resets, run finished after 79 ms. (steps per millisecond=126 ) properties (out of 2) seen :0
Interrupted probabilistic random walk after 3105 steps, run timeout after 3001 ms. (steps per millisecond=1 ) properties seen :{}
Probabilistic random walk after 3105 steps, saw 2623 distinct states, run finished after 3001 ms. (steps per millisecond=1 ) properties seen :0
Running SMT prover for 2 properties.
[2023-03-17 11:41:49] [INFO ] Flow matrix only has 81237 transitions (discarded 63131 similar events)
[2023-03-17 11:41:49] [INFO ] Invariant cache hit.
[2023-03-17 11:41:49] [INFO ] [Real]Absence check using 19 positive place invariants in 12 ms returned sat
[2023-03-17 11:42:09] [INFO ] After 19560ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:2
[2023-03-17 11:42:09] [INFO ] [Nat]Absence check using 19 positive place invariants in 12 ms returned sat
[2023-03-17 11:42:30] [INFO ] After 20972ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :2
[2023-03-17 11:42:30] [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: 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 11:42:34] [WARNING] SMT solver failed with error :SMT solver raised an error when submitting script.... while checking expressions.
[2023-03-17 11:42:34] [INFO ] After 25028ms 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 920 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 921 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 921 ms. Remains 1380 /1380 variables (removed 0) and now considering 144368/144368 (removed 0) transitions.
[2023-03-17 11:42:35] [INFO ] Flow matrix only has 81237 transitions (discarded 63131 similar events)
[2023-03-17 11:42:35] [INFO ] Invariant cache hit.
[2023-03-17 11:42:44] [INFO ] Implicit Places using invariants in 8286 ms returned []
Implicit Place search using SMT only with invariants took 8287 ms to find 0 implicit places.
[2023-03-17 11:42:44] [INFO ] Flow matrix only has 81237 transitions (discarded 63131 similar events)
[2023-03-17 11:42:44] [INFO ] Invariant cache hit.
[2023-03-17 11:43:14] [INFO ] Performed 99781/144368 'is it Dead' test of which 0 returned DEAD in 30 seconds.
[2023-03-17 11:43:27] [INFO ] Dead Transitions using invariants and state equation in 43330 ms found 0 transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 52550 ms. Remains : 1380/1380 places, 144368/144368 transitions.
Knowledge obtained : [(AND (NOT p0) (NOT p1)), (X (AND (NOT p0) (NOT p1))), (X (NOT (AND (NOT p0) p1))), (X (X (AND (NOT p0) (NOT p1)))), (X (X (NOT (AND (NOT p0) p1))))]
False Knowledge obtained : []
Knowledge based reduction with 5 factoid took 162 ms. Reduced automaton from 1 states, 2 edges and 2 AP (stutter insensitive) to 1 states, 2 edges and 2 AP (stutter insensitive).
Stuttering acceptance computed with spot in 38 ms :[(AND (NOT p0) (NOT p1))]
Stuttering acceptance computed with spot in 38 ms :[(AND (NOT p0) (NOT p1))]
[2023-03-17 11:43:28] [INFO ] Flow matrix only has 81237 transitions (discarded 63131 similar events)
[2023-03-17 11:43:28] [INFO ] Invariant cache hit.
Could not prove EG (AND (NOT p0) (NOT p1))
Stuttering acceptance computed with spot in 27 ms :[(AND (NOT p0) (NOT p1))]
Product exploration explored 100000 steps with 0 reset in 8508 ms.
Product exploration explored 100000 steps with 1 reset in 8536 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 827 ms. Remains 1380 /1380 variables (removed 0) and now considering 144368/144368 (removed 0) transitions.
[2023-03-17 11:44:01] [INFO ] Flow matrix only has 81237 transitions (discarded 63131 similar events)
[2023-03-17 11:44:01] [INFO ] Invariant cache hit.
[2023-03-17 11:44:09] [INFO ] Implicit Places using invariants in 7865 ms returned []
Implicit Place search using SMT only with invariants took 7866 ms to find 0 implicit places.
[2023-03-17 11:44:09] [INFO ] Flow matrix only has 81237 transitions (discarded 63131 similar events)
[2023-03-17 11:44:09] [INFO ] Invariant cache hit.
[2023-03-17 11:44:39] [INFO ] Performed 100644/144368 'is it Dead' test of which 0 returned DEAD in 30 seconds.
[2023-03-17 11:44:52] [INFO ] Dead Transitions using invariants and state equation in 42997 ms found 0 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 51695 ms. Remains : 1380/1380 places, 144368/144368 transitions.
Treatment of property RERS17pb115-PT-3-LTLFireability-02 finished in 533381 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202303021504/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(F((p0&&G(F(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.
Reduce places removed 1 places and 1 transitions.
Applied a total of 0 rules in 1098 ms. Remains 1380 /1381 variables (removed 1) and now considering 144368/144369 (removed 1) transitions.
[2023-03-17 11:44:58] [INFO ] Flow matrix only has 81237 transitions (discarded 63131 similar events)
[2023-03-17 11:44:58] [INFO ] Invariant cache hit.
[2023-03-17 11:45:05] [INFO ] Implicit Places using invariants in 7915 ms returned []
Implicit Place search using SMT only with invariants took 7916 ms to find 0 implicit places.
[2023-03-17 11:45:05] [INFO ] Flow matrix only has 81237 transitions (discarded 63131 similar events)
[2023-03-17 11:45:05] [INFO ] Invariant cache hit.
[2023-03-17 11:45:36] [INFO ] Performed 99623/144368 'is it Dead' test of which 0 returned DEAD in 30 seconds.
[2023-03-17 11:45:49] [INFO ] Dead Transitions using invariants and state equation in 43528 ms found 0 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 52548 ms. Remains : 1380/1381 places, 144368/144369 transitions.
Stuttering acceptance computed with spot in 150 ms :[(OR (NOT p1) (NOT p0)), (NOT p1), (NOT p1), (NOT p0)]
Running random walk in product with property : RERS17pb115-PT-3-LTLFireability-03 automaton TGBA Formula[mat=[[{ cond=(NOT p1), acceptance={} source=0 dest: 1}, { cond=true, acceptance={} source=0 dest: 2}, { cond=(NOT p0), acceptance={} source=0 dest: 3}], [{ cond=(NOT p1), acceptance={0} source=1 dest: 1}], [{ cond=(NOT p1), acceptance={} source=2 dest: 1}, { cond=true, acceptance={} source=2 dest: 2}], [{ cond=(NOT p0), acceptance={0} source=3 dest: 3}]], initial=0, aps=[p1:(AND (GEQ s1082 1) (GEQ s1108 1)), p0:(OR (LT s373 1) (LT s855 1))], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, no-univ-branch, stutter-invariant, very-weak, weak, inherently-weak], stateDesc=[null, null, null, null][true, true, true, true]]
Product exploration explored 100000 steps with 0 reset in 8558 ms.
Product exploration explored 100000 steps with 0 reset in 8209 ms.
Computed a total of 0 stabilizing places and 0 stable transitions
Computed a total of 0 stabilizing places and 0 stable transitions
Knowledge obtained : [(AND (NOT p1) p0), (X (NOT p1)), (X p0), true, (X (X (NOT p1))), (X (X p0))]
False Knowledge obtained : []
Knowledge based reduction with 6 factoid took 195 ms. Reduced automaton from 4 states, 7 edges and 2 AP (stutter insensitive) to 2 states, 3 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 65 ms :[(NOT p1), (NOT p1)]
Incomplete random walk after 10000 steps, including 2 resets, run finished after 832 ms. (steps per millisecond=12 ) properties (out of 1) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 71 ms. (steps per millisecond=140 ) properties (out of 1) seen :0
Interrupted probabilistic random walk after 3314 steps, run timeout after 3005 ms. (steps per millisecond=1 ) properties seen :{}
Probabilistic random walk after 3314 steps, saw 2798 distinct states, run finished after 3006 ms. (steps per millisecond=1 ) properties seen :0
Running SMT prover for 1 properties.
[2023-03-17 11:46:11] [INFO ] Flow matrix only has 81237 transitions (discarded 63131 similar events)
[2023-03-17 11:46:11] [INFO ] Invariant cache hit.
[2023-03-17 11:46:11] [INFO ] [Real]Absence check using 19 positive place invariants in 12 ms returned sat
[2023-03-17 11:46:31] [INFO ] After 19251ms SMT Verify possible using state equation in real domain returned unsat :0 sat :1
[2023-03-17 11:46:31] [INFO ] State equation strengthened by 741 read => feed constraints.
[2023-03-17 11:46:36] [INFO ] After 5014ms SMT Verify possible using 741 Read/Feed constraints in real domain returned unsat :0 sat :0
[2023-03-17 11:46:36] [INFO ] After 25026ms 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 892 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 897 ms. Remains : 1380/1380 places, 144368/144368 transitions.
Incomplete random walk after 10000 steps, including 2 resets, run finished after 793 ms. (steps per millisecond=12 ) properties (out of 1) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 69 ms. (steps per millisecond=144 ) properties (out of 1) seen :0
Interrupted probabilistic random walk after 3386 steps, run timeout after 3005 ms. (steps per millisecond=1 ) properties seen :{}
Probabilistic random walk after 3386 steps, saw 2858 distinct states, run finished after 3006 ms. (steps per millisecond=1 ) properties seen :0
Running SMT prover for 1 properties.
[2023-03-17 11:46:41] [INFO ] Flow matrix only has 81237 transitions (discarded 63131 similar events)
[2023-03-17 11:46:41] [INFO ] Invariant cache hit.
[2023-03-17 11:46:41] [INFO ] [Real]Absence check using 19 positive place invariants in 10 ms returned sat
[2023-03-17 11:47:01] [INFO ] After 19090ms SMT Verify possible using state equation in real domain returned unsat :0 sat :1
[2023-03-17 11:47:01] [INFO ] State equation strengthened by 741 read => feed constraints.
[2023-03-17 11:47:06] [INFO ] After 5187ms SMT Verify possible using 741 Read/Feed constraints in real domain returned unsat :0 sat :0
[2023-03-17 11:47:06] [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 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 900 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 897 ms. Remains 1380 /1380 variables (removed 0) and now considering 144368/144368 (removed 0) transitions.
[2023-03-17 11:47:08] [INFO ] Flow matrix only has 81237 transitions (discarded 63131 similar events)
[2023-03-17 11:47:08] [INFO ] Invariant cache hit.
[2023-03-17 11:47:16] [INFO ] Implicit Places using invariants in 8015 ms returned []
Implicit Place search using SMT only with invariants took 8016 ms to find 0 implicit places.
[2023-03-17 11:47:16] [INFO ] Flow matrix only has 81237 transitions (discarded 63131 similar events)
[2023-03-17 11:47:16] [INFO ] Invariant cache hit.
[2023-03-17 11:47:46] [INFO ] Performed 99957/144368 'is it Dead' test of which 0 returned DEAD in 30 seconds.
[2023-03-17 11:48:00] [INFO ] Dead Transitions using invariants and state equation in 44076 ms found 0 transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 53001 ms. Remains : 1380/1380 places, 144368/144368 transitions.
Knowledge obtained : [(AND (NOT p1) p0), (X (NOT p1)), (X p0), true, (X (X (NOT p1))), (X (X p0))]
False Knowledge obtained : []
Knowledge based reduction with 6 factoid took 205 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 71 ms :[(NOT p1), (NOT p1)]
Stuttering acceptance computed with spot in 69 ms :[(NOT p1), (NOT p1)]
[2023-03-17 11:48:01] [INFO ] Flow matrix only has 81237 transitions (discarded 63131 similar events)
[2023-03-17 11:48:01] [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 830 ms. Remains 1380 /1380 variables (removed 0) and now considering 144368/144368 (removed 0) transitions.
[2023-03-17 11:48:17] [INFO ] Flow matrix only has 81237 transitions (discarded 63131 similar events)
[2023-03-17 11:48:17] [INFO ] Invariant cache hit.
[2023-03-17 11:48:25] [INFO ] Implicit Places using invariants in 7919 ms returned []
Implicit Place search using SMT only with invariants took 7920 ms to find 0 implicit places.
[2023-03-17 11:48:25] [INFO ] Flow matrix only has 81237 transitions (discarded 63131 similar events)
[2023-03-17 11:48:25] [INFO ] Invariant cache hit.
[2023-03-17 11:48:55] [INFO ] Performed 99828/144368 'is it Dead' test of which 0 returned DEAD in 30 seconds.
[2023-03-17 11:49:09] [INFO ] Dead Transitions using invariants and state equation in 43602 ms found 0 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 52356 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 116 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 59 ms :[(NOT p1), (NOT p1)]
Incomplete random walk after 10000 steps, including 2 resets, run finished after 814 ms. (steps per millisecond=12 ) properties (out of 1) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 67 ms. (steps per millisecond=149 ) properties (out of 1) seen :0
Interrupted probabilistic random walk after 3566 steps, run timeout after 3001 ms. (steps per millisecond=1 ) properties seen :{}
Probabilistic random walk after 3566 steps, saw 3015 distinct states, run finished after 3001 ms. (steps per millisecond=1 ) properties seen :0
Running SMT prover for 1 properties.
[2023-03-17 11:49:14] [INFO ] Flow matrix only has 81237 transitions (discarded 63131 similar events)
[2023-03-17 11:49:14] [INFO ] Invariant cache hit.
[2023-03-17 11:49:14] [INFO ] [Real]Absence check using 19 positive place invariants in 10 ms returned sat
[2023-03-17 11:49:33] [INFO ] After 19252ms SMT Verify possible using state equation in real domain returned unsat :0 sat :1
[2023-03-17 11:49:34] [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 11:49:39] [WARNING] SMT solver failed with error :SMT solver raised an error when submitting script.... while checking expressions.
[2023-03-17 11:49:39] [INFO ] After 25038ms 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 817 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 821 ms. Remains : 1380/1380 places, 144368/144368 transitions.
Incomplete random walk after 10000 steps, including 2 resets, run finished after 845 ms. (steps per millisecond=11 ) properties (out of 1) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 72 ms. (steps per millisecond=138 ) properties (out of 1) seen :0
Interrupted probabilistic random walk after 3319 steps, run timeout after 3003 ms. (steps per millisecond=1 ) properties seen :{}
Probabilistic random walk after 3319 steps, saw 2802 distinct states, run finished after 3006 ms. (steps per millisecond=1 ) properties seen :0
Running SMT prover for 1 properties.
[2023-03-17 11:49:44] [INFO ] Flow matrix only has 81237 transitions (discarded 63131 similar events)
[2023-03-17 11:49:44] [INFO ] Invariant cache hit.
[2023-03-17 11:49:44] [INFO ] [Real]Absence check using 19 positive place invariants in 12 ms returned sat
[2023-03-17 11:50:04] [INFO ] After 19456ms SMT Verify possible using state equation in real domain returned unsat :0 sat :1
[2023-03-17 11:50:04] [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 11:50:09] [WARNING] SMT solver failed with error :SMT solver raised an error when submitting script.... while checking expressions.
[2023-03-17 11:50:09] [INFO ] After 25026ms 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 832 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 832 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 831 ms. Remains 1380 /1380 variables (removed 0) and now considering 144368/144368 (removed 0) transitions.
[2023-03-17 11:50:11] [INFO ] Flow matrix only has 81237 transitions (discarded 63131 similar events)
[2023-03-17 11:50:11] [INFO ] Invariant cache hit.
[2023-03-17 11:50:19] [INFO ] Implicit Places using invariants in 8335 ms returned []
Implicit Place search using SMT only with invariants took 8337 ms to find 0 implicit places.
[2023-03-17 11:50:19] [INFO ] Flow matrix only has 81237 transitions (discarded 63131 similar events)
[2023-03-17 11:50:19] [INFO ] Invariant cache hit.
[2023-03-17 11:50:49] [INFO ] Performed 97028/144368 'is it Dead' test of which 0 returned DEAD in 30 seconds.
[2023-03-17 11:51:04] [INFO ] Dead Transitions using invariants and state equation in 45102 ms found 0 transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 54287 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 90 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 50 ms :[(NOT p1), (NOT p1)]
Stuttering acceptance computed with spot in 83 ms :[(NOT p1), (NOT p1)]
[2023-03-17 11:51:05] [INFO ] Flow matrix only has 81237 transitions (discarded 63131 similar events)
[2023-03-17 11:51:05] [INFO ] Invariant cache hit.
Could not prove EG (NOT p1)
Stuttering acceptance computed with spot in 67 ms :[(NOT p1), (NOT p1)]
Product exploration explored 100000 steps with 0 reset in 8397 ms.
Product exploration explored 100000 steps with 0 reset in 8533 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 11:51:38] [INFO ] Flow matrix only has 81237 transitions (discarded 63131 similar events)
[2023-03-17 11:51:38] [INFO ] Invariant cache hit.
[2023-03-17 11:51:46] [INFO ] Implicit Places using invariants in 7903 ms returned []
Implicit Place search using SMT only with invariants took 7904 ms to find 0 implicit places.
[2023-03-17 11:51:46] [INFO ] Flow matrix only has 81237 transitions (discarded 63131 similar events)
[2023-03-17 11:51:46] [INFO ] Invariant cache hit.
[2023-03-17 11:52:16] [INFO ] Performed 100745/144368 'is it Dead' test of which 0 returned DEAD in 30 seconds.
[2023-03-17 11:52:29] [INFO ] Dead Transitions using invariants and state equation in 43337 ms found 0 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 52075 ms. Remains : 1380/1380 places, 144368/144368 transitions.
Treatment of property RERS17pb115-PT-3-LTLFireability-03 finished in 457689 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&&F(p1)))))'
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 422 ms. Remains 1381 /1381 variables (removed 0) and now considering 144369/144369 (removed 0) transitions.
[2023-03-17 11:52:35] [INFO ] Flow matrix only has 81238 transitions (discarded 63131 similar events)
// Phase 1: matrix 81238 rows 1381 cols
[2023-03-17 11:52:35] [INFO ] Computed 19 place invariants in 328 ms
[2023-03-17 11:52:43] [INFO ] Implicit Places using invariants in 8583 ms returned []
Implicit Place search using SMT only with invariants took 8583 ms to find 0 implicit places.
[2023-03-17 11:52:43] [INFO ] Flow matrix only has 81238 transitions (discarded 63131 similar events)
[2023-03-17 11:52:43] [INFO ] Invariant cache hit.
[2023-03-17 11:53:13] [INFO ] Performed 100610/144369 'is it Dead' test of which 0 returned DEAD in 30 seconds.
[2023-03-17 11:53:26] [INFO ] Dead Transitions using invariants and state equation in 43270 ms found 0 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 52278 ms. Remains : 1381/1381 places, 144369/144369 transitions.
Stuttering acceptance computed with spot in 141 ms :[(OR (NOT p0) (NOT p1)), (OR (NOT p0) (NOT p1)), true, (NOT p1)]
Running random walk in product with property : RERS17pb115-PT-3-LTLFireability-04 automaton TGBA Formula[mat=[[{ cond=true, acceptance={} source=0 dest: 1}], [{ cond=p0, acceptance={} source=1 dest: 1}, { cond=(NOT p0), acceptance={} source=1 dest: 2}, { cond=(AND p0 (NOT p1)), acceptance={} source=1 dest: 3}], [{ cond=true, acceptance={0} source=2 dest: 2}], [{ cond=(NOT p1), acceptance={0} source=3 dest: 3}]], initial=0, aps=[p0:(OR (LT s172 1) (LT s1062 1)), p1:(AND (GEQ s81 1) (GEQ s996 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 0 reset in 8759 ms.
Product exploration explored 100000 steps with 0 reset in 8676 ms.
Computed a total of 1 stabilizing places and 1 stable transitions
Computed a total of 1 stabilizing places and 1 stable transitions
Knowledge obtained : [(AND p0 (NOT p1)), (X (AND p0 (NOT p1))), (X p0), (X (X (AND p0 (NOT p1)))), true, (X (X (NOT p1))), (X (X p0))]
False Knowledge obtained : []
Knowledge based reduction with 7 factoid took 285 ms. Reduced automaton from 4 states, 6 edges and 2 AP (stutter sensitive) to 4 states, 6 edges and 2 AP (stutter sensitive).
Stuttering acceptance computed with spot in 139 ms :[(OR (NOT p0) (NOT p1)), (OR (NOT p0) (NOT p1)), true, (NOT p1)]
Incomplete random walk after 10000 steps, including 2 resets, run finished after 899 ms. (steps per millisecond=11 ) properties (out of 3) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 78 ms. (steps per millisecond=128 ) properties (out of 3) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 80 ms. (steps per millisecond=125 ) properties (out of 3) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 79 ms. (steps per millisecond=126 ) properties (out of 3) seen :0
Interrupted probabilistic random walk after 3269 steps, run timeout after 3002 ms. (steps per millisecond=1 ) properties seen :{}
Probabilistic random walk after 3269 steps, saw 2758 distinct states, run finished after 3002 ms. (steps per millisecond=1 ) properties seen :0
Running SMT prover for 3 properties.
[2023-03-17 11:53:50] [INFO ] Flow matrix only has 81238 transitions (discarded 63131 similar events)
[2023-03-17 11:53:50] [INFO ] Invariant cache hit.
[2023-03-17 11:53:50] [INFO ] [Real]Absence check using 19 positive place invariants in 14 ms returned sat
[2023-03-17 11:54:09] [INFO ] After 19291ms SMT Verify possible using state equation in real domain returned unsat :0 sat :1 real:2
[2023-03-17 11:54:10] [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 11:54:15] [WARNING] SMT solver failed with error :SMT solver raised an error when submitting script.... while checking expressions.
[2023-03-17 11:54:15] [INFO ] After 25022ms 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 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 1745 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 1748 ms. Remains : 1380/1381 places, 144368/144369 transitions.
Incomplete random walk after 10000 steps, including 2 resets, run finished after 916 ms. (steps per millisecond=10 ) properties (out of 3) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 76 ms. (steps per millisecond=131 ) properties (out of 3) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 74 ms. (steps per millisecond=135 ) properties (out of 3) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 71 ms. (steps per millisecond=140 ) properties (out of 3) seen :0
Interrupted probabilistic random walk after 3151 steps, run timeout after 3003 ms. (steps per millisecond=1 ) properties seen :{}
Probabilistic random walk after 3151 steps, saw 2662 distinct states, run finished after 3003 ms. (steps per millisecond=1 ) properties seen :0
Running SMT prover for 3 properties.
[2023-03-17 11:54:21] [INFO ] Flow matrix only has 81237 transitions (discarded 63131 similar events)
// Phase 1: matrix 81237 rows 1380 cols
[2023-03-17 11:54:21] [INFO ] Computed 19 place invariants in 249 ms
[2023-03-17 11:54:22] [INFO ] [Real]Absence check using 19 positive place invariants in 13 ms returned sat
[2023-03-17 11:54:41] [INFO ] After 19326ms SMT Verify possible using state equation in real domain returned unsat :0 sat :1 real:2
[2023-03-17 11:54:42] [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 11:54:46] [WARNING] SMT solver failed with error :SMT solver raised an error when submitting script.... while checking expressions.
[2023-03-17 11:54:46] [INFO ] After 25027ms 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 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 887 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 887 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 884 ms. Remains 1380 /1380 variables (removed 0) and now considering 144368/144368 (removed 0) transitions.
[2023-03-17 11:54:48] [INFO ] Flow matrix only has 81237 transitions (discarded 63131 similar events)
[2023-03-17 11:54:48] [INFO ] Invariant cache hit.
[2023-03-17 11:54:56] [INFO ] Implicit Places using invariants in 7725 ms returned []
Implicit Place search using SMT only with invariants took 7726 ms to find 0 implicit places.
[2023-03-17 11:54:56] [INFO ] Flow matrix only has 81237 transitions (discarded 63131 similar events)
[2023-03-17 11:54:56] [INFO ] Invariant cache hit.
[2023-03-17 11:55:26] [INFO ] Performed 101377/144368 'is it Dead' test of which 0 returned DEAD in 30 seconds.
[2023-03-17 11:55:39] [INFO ] Dead Transitions using invariants and state equation in 42829 ms found 0 transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 51452 ms. Remains : 1380/1380 places, 144368/144368 transitions.
Knowledge obtained : [(AND p0 (NOT p1)), (X (AND p0 (NOT p1))), (X p0), (X (X (AND p0 (NOT p1)))), true, (X (X (NOT p1))), (X (X p0))]
False Knowledge obtained : []
Knowledge based reduction with 7 factoid took 229 ms. Reduced automaton from 4 states, 6 edges and 2 AP (stutter sensitive) to 4 states, 6 edges and 2 AP (stutter sensitive).
Stuttering acceptance computed with spot in 123 ms :[(OR (NOT p0) (NOT p1)), (OR (NOT p0) (NOT p1)), true, (NOT p1)]
Stuttering acceptance computed with spot in 146 ms :[(OR (NOT p0) (NOT p1)), (OR (NOT p0) (NOT p1)), true, (NOT p1)]
[2023-03-17 11:55:40] [INFO ] Flow matrix only has 81238 transitions (discarded 63131 similar events)
// Phase 1: matrix 81238 rows 1381 cols
[2023-03-17 11:55:40] [INFO ] Computed 19 place invariants in 233 ms
Could not prove EG (NOT p1)
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 405 ms. Remains 1381 /1381 variables (removed 0) and now considering 144369/144369 (removed 0) transitions.
[2023-03-17 11:55:56] [INFO ] Flow matrix only has 81238 transitions (discarded 63131 similar events)
[2023-03-17 11:55:56] [INFO ] Invariant cache hit.
[2023-03-17 11:56:03] [INFO ] Implicit Places using invariants in 7830 ms returned []
Implicit Place search using SMT only with invariants took 7831 ms to find 0 implicit places.
[2023-03-17 11:56:04] [INFO ] Flow matrix only has 81238 transitions (discarded 63131 similar events)
[2023-03-17 11:56:04] [INFO ] Invariant cache hit.
[2023-03-17 11:56:34] [INFO ] Performed 98171/144369 'is it Dead' test of which 0 returned DEAD in 30 seconds.
[2023-03-17 11:56:48] [INFO ] Dead Transitions using invariants and state equation in 44038 ms found 0 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 52278 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 (NOT p1)), (X (AND (NOT p1) p0)), (X p0), true, (X (X (NOT p1))), (X (X (AND (NOT p1) p0))), (X (X p0))]
False Knowledge obtained : []
Knowledge based reduction with 7 factoid took 272 ms. Reduced automaton from 4 states, 6 edges and 2 AP (stutter sensitive) to 4 states, 6 edges and 2 AP (stutter sensitive).
Stuttering acceptance computed with spot in 105 ms :[(OR (NOT p0) (NOT p1)), (OR (NOT p0) (NOT p1)), true, (NOT p1)]
Incomplete random walk after 10000 steps, including 2 resets, run finished after 853 ms. (steps per millisecond=11 ) properties (out of 3) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 75 ms. (steps per millisecond=133 ) properties (out of 3) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 77 ms. (steps per millisecond=129 ) properties (out of 3) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 76 ms. (steps per millisecond=131 ) properties (out of 3) seen :0
Interrupted probabilistic random walk after 3008 steps, run timeout after 3003 ms. (steps per millisecond=1 ) properties seen :{}
Probabilistic random walk after 3008 steps, saw 2542 distinct states, run finished after 3004 ms. (steps per millisecond=1 ) properties seen :0
Running SMT prover for 3 properties.
[2023-03-17 11:56:53] [INFO ] Flow matrix only has 81238 transitions (discarded 63131 similar events)
[2023-03-17 11:56:53] [INFO ] Invariant cache hit.
[2023-03-17 11:56:53] [INFO ] [Real]Absence check using 19 positive place invariants in 15 ms returned sat
[2023-03-17 11:57:13] [INFO ] After 20115ms SMT Verify possible using state equation in real domain returned unsat :0 sat :1 real:2
[2023-03-17 11:57:14] [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 11:57:18] [WARNING] SMT solver failed with error :SMT solver raised an error when submitting script.... while checking expressions.
[2023-03-17 11:57:18] [INFO ] After 25018ms 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 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 1808 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 1812 ms. Remains : 1380/1381 places, 144368/144369 transitions.
Incomplete random walk after 10000 steps, including 2 resets, run finished after 1047 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 78 ms. (steps per millisecond=128 ) properties (out of 3) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 77 ms. (steps per millisecond=129 ) properties (out of 3) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 78 ms. (steps per millisecond=128 ) properties (out of 3) seen :0
Interrupted probabilistic random walk after 3005 steps, run timeout after 3005 ms. (steps per millisecond=1 ) properties seen :{}
Probabilistic random walk after 3005 steps, saw 2541 distinct states, run finished after 3005 ms. (steps per millisecond=1 ) properties seen :0
Running SMT prover for 3 properties.
[2023-03-17 11:57:25] [INFO ] Flow matrix only has 81237 transitions (discarded 63131 similar events)
// Phase 1: matrix 81237 rows 1380 cols
[2023-03-17 11:57:25] [INFO ] Computed 19 place invariants in 243 ms
[2023-03-17 11:57:25] [INFO ] [Real]Absence check using 19 positive place invariants in 13 ms returned sat
[2023-03-17 11:57:45] [INFO ] After 19519ms SMT Verify possible using state equation in real domain returned unsat :0 sat :1 real:2
[2023-03-17 11:57:45] [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 11:57:50] [WARNING] SMT solver failed with error :SMT solver raised an error when submitting script.... while checking expressions.
[2023-03-17 11:57:50] [INFO ] After 25026ms 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 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 908 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 898 ms. Remains 1380 /1380 variables (removed 0) and now considering 144368/144368 (removed 0) transitions.
[2023-03-17 11:57:52] [INFO ] Flow matrix only has 81237 transitions (discarded 63131 similar events)
[2023-03-17 11:57:52] [INFO ] Invariant cache hit.
[2023-03-17 11:58:00] [INFO ] Implicit Places using invariants in 7987 ms returned []
Implicit Place search using SMT only with invariants took 7991 ms to find 0 implicit places.
[2023-03-17 11:58:00] [INFO ] Flow matrix only has 81237 transitions (discarded 63131 similar events)
[2023-03-17 11:58:00] [INFO ] Invariant cache hit.
[2023-03-17 11:58:30] [INFO ] Performed 99285/144368 'is it Dead' test of which 0 returned DEAD in 30 seconds.
[2023-03-17 11:58:44] [INFO ] Dead Transitions using invariants and state equation in 43927 ms found 0 transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 52827 ms. Remains : 1380/1380 places, 144368/144368 transitions.
Knowledge obtained : [(AND p0 (NOT p1)), (X (AND (NOT p1) p0)), (X p0), true, (X (X (NOT p1))), (X (X (AND (NOT p1) p0))), (X (X p0))]
False Knowledge obtained : []
Knowledge based reduction with 7 factoid took 223 ms. Reduced automaton from 4 states, 6 edges and 2 AP (stutter sensitive) to 4 states, 6 edges and 2 AP (stutter sensitive).
Stuttering acceptance computed with spot in 132 ms :[(OR (NOT p0) (NOT p1)), (OR (NOT p0) (NOT p1)), true, (NOT p1)]
Stuttering acceptance computed with spot in 111 ms :[(OR (NOT p0) (NOT p1)), (OR (NOT p0) (NOT p1)), true, (NOT p1)]
[2023-03-17 11:58:44] [INFO ] Flow matrix only has 81238 transitions (discarded 63131 similar events)
// Phase 1: matrix 81238 rows 1381 cols
[2023-03-17 11:58:45] [INFO ] Computed 19 place invariants in 244 ms
Could not prove EG (NOT p1)
Stuttering acceptance computed with spot in 112 ms :[(OR (NOT p0) (NOT p1)), (OR (NOT p0) (NOT p1)), true, (NOT p1)]
Product exploration explored 100000 steps with 0 reset in 8494 ms.
Product exploration explored 100000 steps with 0 reset in 8823 ms.
Applying partial POR strategy [false, true, true, true]
Stuttering acceptance computed with spot in 129 ms :[(OR (NOT p0) (NOT p1)), (OR (NOT p0) (NOT p1)), true, (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 1005 ms. Remains 1381 /1381 variables (removed 0) and now considering 144369/144369 (removed 0) transitions.
[2023-03-17 11:59:19] [INFO ] Flow matrix only has 81238 transitions (discarded 63131 similar events)
[2023-03-17 11:59:19] [INFO ] Invariant cache hit.
[2023-03-17 11:59:49] [INFO ] Performed 98509/144369 'is it Dead' test of which 0 returned DEAD in 30 seconds.
[2023-03-17 12:00:03] [INFO ] Dead Transitions using invariants and state equation in 43972 ms found 0 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 44980 ms. Remains : 1381/1381 places, 144369/144369 transitions.
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 420 ms. Remains 1381 /1381 variables (removed 0) and now considering 144369/144369 (removed 0) transitions.
[2023-03-17 12:00:03] [INFO ] Flow matrix only has 81238 transitions (discarded 63131 similar events)
[2023-03-17 12:00:03] [INFO ] Invariant cache hit.
[2023-03-17 12:00:12] [INFO ] Implicit Places using invariants in 8273 ms returned []
Implicit Place search using SMT only with invariants took 8274 ms to find 0 implicit places.
[2023-03-17 12:00:12] [INFO ] Flow matrix only has 81238 transitions (discarded 63131 similar events)
[2023-03-17 12:00:12] [INFO ] Invariant cache hit.
[2023-03-17 12:00:42] [INFO ] Performed 99450/144369 'is it Dead' test of which 0 returned DEAD in 30 seconds.
[2023-03-17 12:00:55] [INFO ] Dead Transitions using invariants and state equation in 43546 ms found 0 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 52244 ms. Remains : 1381/1381 places, 144369/144369 transitions.
Treatment of property RERS17pb115-PT-3-LTLFireability-04 finished in 505801 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202303021504/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X((G(p0)||X(F(p1)))))'
Support contains 4 out of 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 408 ms. Remains 1381 /1381 variables (removed 0) and now considering 144369/144369 (removed 0) transitions.
[2023-03-17 12:01:00] [INFO ] Flow matrix only has 81238 transitions (discarded 63131 similar events)
[2023-03-17 12:01:00] [INFO ] Invariant cache hit.
[2023-03-17 12:01:08] [INFO ] Implicit Places using invariants in 7866 ms returned []
Implicit Place search using SMT only with invariants took 7866 ms to find 0 implicit places.
[2023-03-17 12:01:08] [INFO ] Flow matrix only has 81238 transitions (discarded 63131 similar events)
[2023-03-17 12:01:08] [INFO ] Invariant cache hit.
[2023-03-17 12:01:38] [INFO ] Performed 98260/144369 'is it Dead' test of which 0 returned DEAD in 30 seconds.
[2023-03-17 12:01:52] [INFO ] Dead Transitions using invariants and state equation in 44184 ms found 0 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 52465 ms. Remains : 1381/1381 places, 144369/144369 transitions.
Stuttering acceptance computed with spot in 153 ms :[(NOT p1), (AND (NOT p1) (NOT p0)), (AND (NOT p1) (NOT p0)), (AND (NOT p1) (NOT p0))]
Running random walk in product with property : RERS17pb115-PT-3-LTLFireability-06 automaton TGBA Formula[mat=[[{ cond=(NOT p1), acceptance={0} source=0 dest: 0}], [{ cond=true, acceptance={} source=1 dest: 2}], [{ cond=(NOT p0), acceptance={} source=2 dest: 0}, { cond=p0, acceptance={} source=2 dest: 3}], [{ cond=(AND (NOT p0) (NOT p1)), acceptance={} source=3 dest: 0}, { cond=(AND p0 (NOT p1)), acceptance={} source=3 dest: 3}]], initial=1, aps=[p1:(OR (LT s167 1) (LT s884 1)), p0:(AND (GEQ s359 1) (GEQ s1036 1))], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, deterministic, no-univ-branch, unambiguous, semi-deterministic, stutter-sensitive, very-weak, weak, inherently-weak], stateDesc=[null, null, null, null][false, false, false, false]]
Product exploration timeout after 59740 steps with 19913 reset in 10001 ms.
Product exploration timeout after 60340 steps with 20113 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 p1 (NOT p0)), (X (NOT p0)), (X (X (NOT (AND (NOT p0) (NOT p1))))), (X (X (NOT (AND p0 (NOT p1))))), (X (X p1))]
False Knowledge obtained : []
Property proved to be true thanks to knowledge :(X (X p1))
Knowledge based reduction with 5 factoid took 152 ms. Reduced automaton from 4 states, 6 edges and 2 AP (stutter sensitive) to 1 states, 0 edges and 0 AP (stutter insensitive).
FORMULA RERS17pb115-PT-3-LTLFireability-06 TRUE TECHNIQUES KNOWLEDGE
Treatment of property RERS17pb115-PT-3-LTLFireability-06 finished in 73539 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)))'
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 887 ms. Remains 1380 /1381 variables (removed 1) and now considering 144368/144369 (removed 1) transitions.
[2023-03-17 12:02:14] [INFO ] Flow matrix only has 81237 transitions (discarded 63131 similar events)
// Phase 1: matrix 81237 rows 1380 cols
[2023-03-17 12:02:15] [INFO ] Computed 19 place invariants in 266 ms
[2023-03-17 12:02:22] [INFO ] Implicit Places using invariants in 7875 ms returned []
Implicit Place search using SMT only with invariants took 7876 ms to find 0 implicit places.
[2023-03-17 12:02:22] [INFO ] Flow matrix only has 81237 transitions (discarded 63131 similar events)
[2023-03-17 12:02:22] [INFO ] Invariant cache hit.
[2023-03-17 12:02:52] [INFO ] Performed 98724/144368 'is it Dead' test of which 0 returned DEAD in 30 seconds.
[2023-03-17 12:03:06] [INFO ] Dead Transitions using invariants and state equation in 43724 ms found 0 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 52490 ms. Remains : 1380/1381 places, 144368/144369 transitions.
Stuttering acceptance computed with spot in 93 ms :[(NOT p1), (AND (NOT p1) (NOT p0))]
Running random walk in product with property : RERS17pb115-PT-3-LTLFireability-07 automaton TGBA Formula[mat=[[{ cond=(NOT p1), acceptance={0} source=0 dest: 0}], [{ cond=(AND (NOT p0) (NOT p1)), acceptance={} source=1 dest: 0}, { cond=(AND p0 (NOT p1)), acceptance={} source=1 dest: 1}]], initial=1, aps=[p1:(AND (GEQ s380 1) (GEQ s926 1)), p0:(AND (GEQ s70 1) (GEQ s1336 1))], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, deterministic, no-univ-branch, unambiguous, semi-deterministic, stutter-invariant, very-weak, weak, inherently-weak], stateDesc=[null, null][true, true]]
Product exploration explored 100000 steps with 13 reset in 8351 ms.
Product exploration explored 100000 steps with 10 reset in 8488 ms.
Computed a total of 0 stabilizing places and 0 stable transitions
Computed a total of 0 stabilizing places and 0 stable transitions
Knowledge obtained : [(AND (NOT p1) (NOT p0)), (X (AND (NOT p0) (NOT p1))), (X (NOT (AND p0 (NOT p1)))), (X (NOT p1)), (X (X (AND (NOT p0) (NOT p1)))), (X (X (NOT (AND p0 (NOT p1))))), (X (X (NOT p1)))]
False Knowledge obtained : []
Knowledge based reduction with 7 factoid took 248 ms. Reduced automaton from 2 states, 3 edges and 2 AP (stutter insensitive) to 2 states, 2 edges and 1 AP (stutter sensitive).
Stuttering acceptance computed with spot in 61 ms :[(NOT p1), (NOT p1)]
Finished random walk after 2574 steps, including 0 resets, run visited all 1 properties in 211 ms. (steps per millisecond=12 )
Knowledge obtained : [(AND (NOT p1) (NOT p0)), (X (AND (NOT p0) (NOT p1))), (X (NOT (AND p0 (NOT p1)))), (X (NOT p1)), (X (X (AND (NOT p0) (NOT p1)))), (X (X (NOT (AND p0 (NOT p1))))), (X (X (NOT p1)))]
False Knowledge obtained : [(F p1)]
Knowledge based reduction with 7 factoid took 269 ms. Reduced automaton from 2 states, 2 edges and 1 AP (stutter sensitive) to 1 states, 1 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 25 ms :[(NOT p1)]
Stuttering acceptance computed with spot in 25 ms :[(NOT p1)]
[2023-03-17 12:03:25] [INFO ] Flow matrix only has 81237 transitions (discarded 63131 similar events)
[2023-03-17 12:03:25] [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 819 ms. Remains 1380 /1380 variables (removed 0) and now considering 144368/144368 (removed 0) transitions.
[2023-03-17 12:03:41] [INFO ] Flow matrix only has 81237 transitions (discarded 63131 similar events)
[2023-03-17 12:03:41] [INFO ] Invariant cache hit.
[2023-03-17 12:03:49] [INFO ] Implicit Places using invariants in 7512 ms returned []
Implicit Place search using SMT only with invariants took 7513 ms to find 0 implicit places.
[2023-03-17 12:03:49] [INFO ] Flow matrix only has 81237 transitions (discarded 63131 similar events)
[2023-03-17 12:03:49] [INFO ] Invariant cache hit.
[2023-03-17 12:04:19] [INFO ] Performed 95859/144368 'is it Dead' test of which 0 returned DEAD in 30 seconds.
[2023-03-17 12:04:34] [INFO ] Dead Transitions using invariants and state equation in 44885 ms found 0 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 53225 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 100 ms. Reduced automaton from 1 states, 1 edges and 1 AP (stutter insensitive) to 1 states, 1 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 25 ms :[(NOT p1)]
Finished random walk after 9337 steps, including 2 resets, run visited all 1 properties in 772 ms. (steps per millisecond=12 )
Knowledge obtained : [(NOT p1), (X (NOT p1)), (X (X (NOT p1)))]
False Knowledge obtained : [(F p1)]
Knowledge based reduction with 3 factoid took 138 ms. Reduced automaton from 1 states, 1 edges and 1 AP (stutter insensitive) to 1 states, 1 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 29 ms :[(NOT p1)]
Stuttering acceptance computed with spot in 33 ms :[(NOT p1)]
[2023-03-17 12:04:36] [INFO ] Flow matrix only has 81237 transitions (discarded 63131 similar events)
[2023-03-17 12:04:36] [INFO ] Invariant cache hit.
Could not prove EG (NOT p1)
Stuttering acceptance computed with spot in 36 ms :[(NOT p1)]
Product exploration explored 100000 steps with 8 reset in 8433 ms.
Product exploration explored 100000 steps with 12 reset in 8715 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 842 ms. Remains 1380 /1380 variables (removed 0) and now considering 144368/144368 (removed 0) transitions.
[2023-03-17 12:05:09] [INFO ] Flow matrix only has 81237 transitions (discarded 63131 similar events)
[2023-03-17 12:05:09] [INFO ] Invariant cache hit.
[2023-03-17 12:05:17] [INFO ] Implicit Places using invariants in 7772 ms returned []
Implicit Place search using SMT only with invariants took 7775 ms to find 0 implicit places.
[2023-03-17 12:05:17] [INFO ] Flow matrix only has 81237 transitions (discarded 63131 similar events)
[2023-03-17 12:05:17] [INFO ] Invariant cache hit.
[2023-03-17 12:05:47] [INFO ] Performed 97769/144368 'is it Dead' test of which 0 returned DEAD in 30 seconds.
[2023-03-17 12:06:01] [INFO ] Dead Transitions using invariants and state equation in 44278 ms found 0 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 52898 ms. Remains : 1380/1380 places, 144368/144368 transitions.
Treatment of property RERS17pb115-PT-3-LTLFireability-07 finished in 233047 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((((p1 U X(p2))&&p0) U X(p1))))'
Support contains 8 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 468 ms. Remains 1381 /1381 variables (removed 0) and now considering 144369/144369 (removed 0) transitions.
[2023-03-17 12:06:07] [INFO ] Flow matrix only has 81238 transitions (discarded 63131 similar events)
// Phase 1: matrix 81238 rows 1381 cols
[2023-03-17 12:06:07] [INFO ] Computed 19 place invariants in 248 ms
[2023-03-17 12:06:15] [INFO ] Implicit Places using invariants in 7923 ms returned []
Implicit Place search using SMT only with invariants took 7924 ms to find 0 implicit places.
[2023-03-17 12:06:15] [INFO ] Flow matrix only has 81238 transitions (discarded 63131 similar events)
[2023-03-17 12:06:15] [INFO ] Invariant cache hit.
[2023-03-17 12:06:45] [INFO ] Performed 100794/144369 'is it Dead' test of which 0 returned DEAD in 30 seconds.
[2023-03-17 12:06:58] [INFO ] Dead Transitions using invariants and state equation in 43046 ms found 0 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 51441 ms. Remains : 1381/1381 places, 144369/144369 transitions.
Stuttering acceptance computed with spot in 263 ms :[(NOT p1), (NOT p1), (AND (NOT p1) (NOT p2)), (NOT p1), (AND (NOT p2) (NOT p1)), true, (NOT p2)]
Running random walk in product with property : RERS17pb115-PT-3-LTLFireability-09 automaton TGBA Formula[mat=[[{ cond=true, acceptance={} source=0 dest: 0}, { cond=(NOT p0), acceptance={} source=0 dest: 1}, { cond=(AND p0 (NOT p1)), acceptance={} source=0 dest: 2}, { cond=p0, acceptance={} source=0 dest: 3}, { cond=(AND p0 p1), acceptance={} source=0 dest: 4}], [{ cond=(NOT p1), acceptance={} source=1 dest: 5}], [{ cond=(AND (NOT p1) (NOT p2)), acceptance={} source=2 dest: 5}], [{ cond=(AND (NOT p0) (NOT p1)), acceptance={0} source=3 dest: 1}, { cond=(AND p0 (NOT p1)), acceptance={0} source=3 dest: 2}, { cond=(AND p0 (NOT p1)), acceptance={0} source=3 dest: 3}], [{ cond=(AND (NOT p1) (NOT p2)), acceptance={} source=4 dest: 6}], [{ cond=true, acceptance={0} source=5 dest: 5}], [{ cond=(NOT p2), acceptance={} source=6 dest: 5}]], initial=0, aps=[p0:(AND (NOT (AND (GEQ s483 1) (GEQ s666 1))) (GEQ s47 1) (GEQ s316 1)), p1:(AND (GEQ s54 1) (GEQ s98 1)), p2:(AND (GEQ s902 1) (GEQ s937 1) (GEQ s483 1) ...], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, no-univ-branch, stutter-sensitive, very-weak, weak, inherently-weak], stateDesc=[null, null, null, null, null, null, null][false, false, false, false, false, false, false]]
Entered a terminal (fully accepting) state of product in 5 steps with 0 reset in 5 ms.
FORMULA RERS17pb115-PT-3-LTLFireability-09 FALSE TECHNIQUES STUTTER_TEST
Treatment of property RERS17pb115-PT-3-LTLFireability-09 finished in 52111 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((X(G(p1))||(!p2 U (p3||G(!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 458 ms. Remains 1381 /1381 variables (removed 0) and now considering 144369/144369 (removed 0) transitions.
[2023-03-17 12:06:59] [INFO ] Flow matrix only has 81238 transitions (discarded 63131 similar events)
[2023-03-17 12:06:59] [INFO ] Invariant cache hit.
[2023-03-17 12:07:07] [INFO ] Implicit Places using invariants in 7997 ms returned []
Implicit Place search using SMT only with invariants took 7998 ms to find 0 implicit places.
[2023-03-17 12:07:07] [INFO ] Flow matrix only has 81238 transitions (discarded 63131 similar events)
[2023-03-17 12:07:07] [INFO ] Invariant cache hit.
[2023-03-17 12:07:37] [INFO ] Performed 100428/144369 'is it Dead' test of which 0 returned DEAD in 30 seconds.
[2023-03-17 12:07:50] [INFO ] Dead Transitions using invariants and state equation in 43250 ms found 0 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 51709 ms. Remains : 1381/1381 places, 144369/144369 transitions.
Stuttering acceptance computed with spot in 231 ms :[true, (AND (NOT p1) p2 (NOT p3)), (AND (NOT p1) (NOT p3) p2 (NOT p0)), (AND (NOT p3) (NOT p0) p2 (NOT p1)), (NOT p1), (AND p2 (NOT p3))]
Running random walk in product with property : RERS17pb115-PT-3-LTLFireability-10 automaton TGBA Formula[mat=[[{ cond=true, acceptance={0} source=0 dest: 0}], [{ cond=(AND (NOT p3) p2 (NOT p1)), acceptance={} source=1 dest: 0}, { cond=(AND (NOT p3) (NOT p2) p1), acceptance={} source=1 dest: 1}, { cond=p3, acceptance={} source=1 dest: 3}, { cond=(AND (NOT p3) p2 p1), acceptance={} source=1 dest: 4}, { cond=(AND (NOT p3) (NOT p2) (NOT p1)), acceptance={} source=1 dest: 5}], [{ cond=true, acceptance={} source=2 dest: 3}], [{ cond=(AND (NOT p0) (NOT p3) (NOT p2)), acceptance={} source=3 dest: 1}, { cond=(OR p0 p3), acceptance={} source=3 dest: 3}, { cond=(AND (NOT p0) (NOT p3) p2), acceptance={} source=3 dest: 4}], [{ cond=(NOT p1), acceptance={} source=4 dest: 0}, { cond=p1, acceptance={} source=4 dest: 4}], [{ cond=(AND (NOT p3) p2), acceptance={} source=5 dest: 0}, { cond=p3, acceptance={} source=5 dest: 3}, { cond=(AND (NOT p3) (NOT p2)), acceptance={} source=5 dest: 5}]], initial=2, aps=[p3:(AND (NOT (AND (GEQ s218 1) (GEQ s928 1))) (NOT (AND (GEQ s347 1) (GEQ s526 1)))), p2:(AND (GEQ s218 1) (GEQ s928 1)), p1:(AND (GEQ s188 1) (GEQ s215 1...], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, complete, deterministic, no-univ-branch, unambiguous, semi-deterministic, stutter-sensitive, terminal, weak, inherently-weak], stateDesc=[null, null, null, null, null, null][false, false, false, false, false, false]]
Product exploration explored 100000 steps with 0 reset in 9253 ms.
Product exploration explored 100000 steps with 0 reset in 8538 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 p3 (NOT p2) (NOT p1) p0), (X (NOT (AND (NOT p0) (NOT p3) (NOT p2)))), (X (OR p0 p3)), (X (NOT (AND (NOT p0) (NOT p3) p2))), (X (X p3)), (X (X (NOT p1))), (X (X (NOT (AND (NOT p3) p2 (NOT p1))))), (X (X (NOT (AND (NOT p3) (NOT p2) p1)))), (X (X (NOT (AND (NOT p0) (NOT p3) (NOT p2))))), (X (X (NOT (AND (NOT p3) (NOT p2) (NOT p1))))), (X (X (OR p0 p3))), (X (X (NOT (AND (NOT p0) (NOT p3) p2)))), (X (X (NOT (AND (NOT p3) p2 p1))))]
False Knowledge obtained : []
Knowledge based reduction with 13 factoid took 520 ms. Reduced automaton from 6 states, 15 edges and 4 AP (stutter sensitive) to 6 states, 15 edges and 4 AP (stutter sensitive).
Stuttering acceptance computed with spot in 198 ms :[true, (AND p2 (NOT p3)), (NOT p1), (AND (NOT p1) p2 (NOT p3)), (AND p2 (NOT p3) (NOT p1) (NOT p0)), (AND (NOT p3) (NOT p0) p2 (NOT p1))]
Incomplete random walk after 10000 steps, including 2 resets, run finished after 1015 ms. (steps per millisecond=9 ) properties (out of 11) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 90 ms. (steps per millisecond=111 ) properties (out of 11) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 88 ms. (steps per millisecond=113 ) properties (out of 11) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 88 ms. (steps per millisecond=113 ) properties (out of 11) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 89 ms. (steps per millisecond=112 ) properties (out of 11) seen :0
Incomplete Best-First random walk after 10000 steps, including 2 resets, run finished after 94 ms. (steps per millisecond=106 ) properties (out of 11) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 96 ms. (steps per millisecond=104 ) properties (out of 11) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 93 ms. (steps per millisecond=107 ) properties (out of 11) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 94 ms. (steps per millisecond=106 ) properties (out of 11) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 90 ms. (steps per millisecond=111 ) properties (out of 11) 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 11) 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 11) seen :0
Interrupted probabilistic random walk after 6972 steps, run timeout after 6004 ms. (steps per millisecond=1 ) properties seen :{}
Probabilistic random walk after 6972 steps, saw 5992 distinct states, run finished after 6005 ms. (steps per millisecond=1 ) properties seen :0
Running SMT prover for 11 properties.
[2023-03-17 12:08:18] [INFO ] Flow matrix only has 81238 transitions (discarded 63131 similar events)
[2023-03-17 12:08:18] [INFO ] Invariant cache hit.
[2023-03-17 12:08:19] [INFO ] [Real]Absence check using 19 positive place invariants in 17 ms returned sat
[2023-03-17 12:08:19] [INFO ] After 449ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:11
[2023-03-17 12:08:19] [INFO ] [Nat]Absence check using 19 positive place invariants in 12 ms returned sat
[2023-03-17 12:08:44] [INFO ] After 24708ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :11
[2023-03-17 12:08:45] [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 12:08:45] [WARNING] SMT solver failed with error :SMT solver raised an error when submitting script.... while checking expressions.
[2023-03-17 12:08:45] [INFO ] After 26054ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :0 real:11
Fused 11 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 1770 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 1773 ms. Remains : 1380/1381 places, 144368/144369 transitions.
Incomplete random walk after 10000 steps, including 2 resets, run finished after 1037 ms. (steps per millisecond=9 ) properties (out of 11) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 85 ms. (steps per millisecond=117 ) properties (out of 11) seen :0
Incomplete Best-First random walk after 10000 steps, including 2 resets, run finished after 129 ms. (steps per millisecond=77 ) properties (out of 11) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 85 ms. (steps per millisecond=117 ) properties (out of 11) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 84 ms. (steps per millisecond=119 ) properties (out of 11) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 94 ms. (steps per millisecond=106 ) properties (out of 11) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 93 ms. (steps per millisecond=107 ) properties (out of 11) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 98 ms. (steps per millisecond=102 ) properties (out of 11) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 86 ms. (steps per millisecond=116 ) properties (out of 11) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 82 ms. (steps per millisecond=121 ) properties (out of 11) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 84 ms. (steps per millisecond=119 ) properties (out of 11) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 86 ms. (steps per millisecond=116 ) properties (out of 11) seen :0
Interrupted probabilistic random walk after 6493 steps, run timeout after 6002 ms. (steps per millisecond=1 ) properties seen :{}
Probabilistic random walk after 6493 steps, saw 5582 distinct states, run finished after 6002 ms. (steps per millisecond=1 ) properties seen :0
Running SMT prover for 11 properties.
[2023-03-17 12:08:55] [INFO ] Flow matrix only has 81237 transitions (discarded 63131 similar events)
// Phase 1: matrix 81237 rows 1380 cols
[2023-03-17 12:08:55] [INFO ] Computed 19 place invariants in 245 ms
[2023-03-17 12:08:56] [INFO ] [Real]Absence check using 19 positive place invariants in 17 ms returned sat
[2023-03-17 12:08:56] [INFO ] After 420ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:11
[2023-03-17 12:08:56] [INFO ] [Nat]Absence check using 19 positive place invariants in 14 ms returned sat
[2023-03-17 12:09:21] [INFO ] After 24583ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :11
[2023-03-17 12:09:21] [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: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 12:09:21] [WARNING] SMT solver failed with error :SMT solver raised an error when submitting script.... while checking expressions.
[2023-03-17 12:09:21] [INFO ] After 25701ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :0 real:11
Fused 11 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 906 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 906 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 947 ms. Remains 1380 /1380 variables (removed 0) and now considering 144368/144368 (removed 0) transitions.
[2023-03-17 12:09:23] [INFO ] Flow matrix only has 81237 transitions (discarded 63131 similar events)
[2023-03-17 12:09:23] [INFO ] Invariant cache hit.
[2023-03-17 12:09:31] [INFO ] Implicit Places using invariants in 7678 ms returned []
Implicit Place search using SMT only with invariants took 7679 ms to find 0 implicit places.
[2023-03-17 12:09:31] [INFO ] Flow matrix only has 81237 transitions (discarded 63131 similar events)
[2023-03-17 12:09:31] [INFO ] Invariant cache hit.
[2023-03-17 12:10:01] [INFO ] Performed 98652/144368 'is it Dead' test of which 0 returned DEAD in 30 seconds.
[2023-03-17 12:10:15] [INFO ] Dead Transitions using invariants and state equation in 43876 ms found 0 transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 52513 ms. Remains : 1380/1380 places, 144368/144368 transitions.
Knowledge obtained : [(AND p3 (NOT p2) (NOT p1) p0), (X (NOT (AND (NOT p0) (NOT p3) (NOT p2)))), (X (OR p0 p3)), (X (NOT (AND (NOT p0) (NOT p3) p2))), (X (X p3)), (X (X (NOT p1))), (X (X (NOT (AND (NOT p3) p2 (NOT p1))))), (X (X (NOT (AND (NOT p3) (NOT p2) p1)))), (X (X (NOT (AND (NOT p0) (NOT p3) (NOT p2))))), (X (X (NOT (AND (NOT p3) (NOT p2) (NOT p1))))), (X (X (OR p0 p3))), (X (X (NOT (AND (NOT p0) (NOT p3) p2)))), (X (X (NOT (AND (NOT p3) p2 p1))))]
False Knowledge obtained : []
Knowledge based reduction with 13 factoid took 503 ms. Reduced automaton from 6 states, 15 edges and 4 AP (stutter sensitive) to 6 states, 15 edges and 4 AP (stutter sensitive).
Stuttering acceptance computed with spot in 218 ms :[true, (AND p2 (NOT p3)), (NOT p1), (AND (NOT p1) p2 (NOT p3)), (AND p2 (NOT p3) (NOT p1) (NOT p0)), (AND (NOT p3) (NOT p0) p2 (NOT p1))]
Stuttering acceptance computed with spot in 206 ms :[true, (AND p2 (NOT p3)), (NOT p1), (AND (NOT p1) p2 (NOT p3)), (AND p2 (NOT p3) (NOT p1) (NOT p0)), (AND (NOT p3) (NOT p0) p2 (NOT 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 409 ms. Remains 1381 /1381 variables (removed 0) and now considering 144369/144369 (removed 0) transitions.
[2023-03-17 12:10:16] [INFO ] Flow matrix only has 81238 transitions (discarded 63131 similar events)
// Phase 1: matrix 81238 rows 1381 cols
[2023-03-17 12:10:17] [INFO ] Computed 19 place invariants in 246 ms
[2023-03-17 12:10:24] [INFO ] Implicit Places using invariants in 8006 ms returned []
Implicit Place search using SMT only with invariants took 8006 ms to find 0 implicit places.
[2023-03-17 12:10:24] [INFO ] Flow matrix only has 81238 transitions (discarded 63131 similar events)
[2023-03-17 12:10:24] [INFO ] Invariant cache hit.
[2023-03-17 12:10:55] [INFO ] Performed 101482/144369 'is it Dead' test of which 0 returned DEAD in 30 seconds.
[2023-03-17 12:11:07] [INFO ] Dead Transitions using invariants and state equation in 42827 ms found 0 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 51245 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 (NOT p2) p3 (NOT p1) p0), (X (OR p3 p0)), (X (NOT (AND (NOT p2) (NOT p3) (NOT p0)))), (X (NOT (AND p2 (NOT p3) (NOT p0)))), (X (X (OR p3 p0))), (X (X (NOT (AND p1 (NOT p2) (NOT p3))))), (X (X p3)), (X (X (NOT (AND (NOT p2) (NOT p3) (NOT p0))))), (X (X (NOT p1))), (X (X (NOT (AND p2 (NOT p3) (NOT p0))))), (X (X (NOT (AND (NOT p1) (NOT p2) (NOT p3))))), (X (X (NOT (AND p1 p2 (NOT p3))))), (X (X (NOT (AND (NOT p1) p2 (NOT p3)))))]
False Knowledge obtained : []
Knowledge based reduction with 13 factoid took 557 ms. Reduced automaton from 6 states, 15 edges and 4 AP (stutter sensitive) to 6 states, 15 edges and 4 AP (stutter sensitive).
Stuttering acceptance computed with spot in 213 ms :[true, (AND p2 (NOT p3)), (NOT p1), (AND (NOT p1) p2 (NOT p3)), (AND p2 (NOT p3) (NOT p1) (NOT p0)), (AND (NOT p3) (NOT p0) p2 (NOT p1))]
Incomplete random walk after 10000 steps, including 2 resets, run finished after 1014 ms. (steps per millisecond=9 ) properties (out of 11) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 88 ms. (steps per millisecond=113 ) properties (out of 11) seen :0
Incomplete Best-First random walk after 10000 steps, including 2 resets, run finished after 90 ms. (steps per millisecond=111 ) properties (out of 11) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 85 ms. (steps per millisecond=117 ) properties (out of 11) 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 11) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 89 ms. (steps per millisecond=112 ) properties (out of 11) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 90 ms. (steps per millisecond=111 ) properties (out of 11) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 86 ms. (steps per millisecond=116 ) properties (out of 11) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 85 ms. (steps per millisecond=117 ) properties (out of 11) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 83 ms. (steps per millisecond=120 ) properties (out of 11) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 86 ms. (steps per millisecond=116 ) properties (out of 11) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 85 ms. (steps per millisecond=117 ) properties (out of 11) seen :0
Interrupted probabilistic random walk after 6582 steps, run timeout after 6003 ms. (steps per millisecond=1 ) properties seen :{}
Probabilistic random walk after 6582 steps, saw 5657 distinct states, run finished after 6003 ms. (steps per millisecond=1 ) properties seen :0
Running SMT prover for 11 properties.
[2023-03-17 12:11:17] [INFO ] Flow matrix only has 81238 transitions (discarded 63131 similar events)
[2023-03-17 12:11:17] [INFO ] Invariant cache hit.
[2023-03-17 12:11:18] [INFO ] [Real]Absence check using 19 positive place invariants in 13 ms returned sat
[2023-03-17 12:11:18] [INFO ] After 429ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:11
[2023-03-17 12:11:18] [INFO ] [Nat]Absence check using 19 positive place invariants in 13 ms returned sat
[2023-03-17 12:11:43] [INFO ] After 24715ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :11
[2023-03-17 12:11:44] [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 12:11:44] [WARNING] SMT solver failed with error :SMT solver raised an error when submitting script.... while checking expressions.
[2023-03-17 12:11:44] [INFO ] After 26064ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :0 real:11
Fused 11 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 1846 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 1849 ms. Remains : 1380/1381 places, 144368/144369 transitions.
Incomplete random walk after 10000 steps, including 2 resets, run finished after 1044 ms. (steps per millisecond=9 ) properties (out of 11) seen :1
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 85 ms. (steps per millisecond=117 ) properties (out of 10) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 88 ms. (steps per millisecond=113 ) properties (out of 10) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 90 ms. (steps per millisecond=111 ) properties (out of 10) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 86 ms. (steps per millisecond=116 ) properties (out of 10) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 89 ms. (steps per millisecond=112 ) properties (out of 10) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 88 ms. (steps per millisecond=113 ) properties (out of 10) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 87 ms. (steps per millisecond=114 ) properties (out of 10) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 85 ms. (steps per millisecond=117 ) properties (out of 10) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 86 ms. (steps per millisecond=116 ) properties (out of 10) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 87 ms. (steps per millisecond=114 ) properties (out of 10) seen :0
Interrupted probabilistic random walk after 3314 steps, run timeout after 3002 ms. (steps per millisecond=1 ) properties seen :{}
Probabilistic random walk after 3314 steps, saw 2798 distinct states, run finished after 3002 ms. (steps per millisecond=1 ) properties seen :0
Running SMT prover for 10 properties.
[2023-03-17 12:11:51] [INFO ] Flow matrix only has 81237 transitions (discarded 63131 similar events)
// Phase 1: matrix 81237 rows 1380 cols
[2023-03-17 12:11:51] [INFO ] Computed 19 place invariants in 244 ms
[2023-03-17 12:11:51] [INFO ] [Real]Absence check using 19 positive place invariants in 15 ms returned sat
[2023-03-17 12:11:51] [INFO ] After 416ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:10
[2023-03-17 12:11:52] [INFO ] [Nat]Absence check using 19 positive place invariants in 15 ms returned sat
[2023-03-17 12:12:17] [INFO ] After 24816ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :10
[2023-03-17 12:12:17] [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: 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 12:12:17] [WARNING] SMT solver failed with error :SMT solver raised an error when submitting script.... while checking expressions.
[2023-03-17 12:12:17] [INFO ] After 25902ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :0 real:10
Fused 10 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 909 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 909 ms. Remains : 1380/1380 places, 144368/144368 transitions.
Incomplete random walk after 10000 steps, including 2 resets, run finished after 944 ms. (steps per millisecond=10 ) properties (out of 10) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 89 ms. (steps per millisecond=112 ) properties (out of 10) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 92 ms. (steps per millisecond=108 ) properties (out of 10) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 87 ms. (steps per millisecond=114 ) properties (out of 10) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 87 ms. (steps per millisecond=114 ) properties (out of 10) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 88 ms. (steps per millisecond=113 ) properties (out of 10) 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 10) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 91 ms. (steps per millisecond=109 ) properties (out of 10) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 87 ms. (steps per millisecond=114 ) properties (out of 10) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 90 ms. (steps per millisecond=111 ) properties (out of 10) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 89 ms. (steps per millisecond=112 ) properties (out of 10) seen :0
Interrupted probabilistic random walk after 3065 steps, run timeout after 3006 ms. (steps per millisecond=1 ) properties seen :{}
Probabilistic random walk after 3065 steps, saw 2591 distinct states, run finished after 3006 ms. (steps per millisecond=1 ) properties seen :0
Running SMT prover for 10 properties.
[2023-03-17 12:12:23] [INFO ] Flow matrix only has 81237 transitions (discarded 63131 similar events)
[2023-03-17 12:12:23] [INFO ] Invariant cache hit.
[2023-03-17 12:12:24] [INFO ] [Real]Absence check using 19 positive place invariants in 15 ms returned sat
[2023-03-17 12:12:24] [INFO ] After 416ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:10
[2023-03-17 12:12:24] [INFO ] [Nat]Absence check using 19 positive place invariants in 13 ms returned sat
[2023-03-17 12:12:49] [INFO ] After 24821ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :10
[2023-03-17 12:12:50] [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: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 12:12:50] [WARNING] SMT solver failed with error :SMT solver raised an error when submitting script.... while checking expressions.
[2023-03-17 12:12:50] [INFO ] After 25898ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :0 real:10
Fused 10 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 911 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.
Starting structural reductions in REACHABILITY mode, iteration 0 : 1380/1380 places, 144368/144368 transitions.
Applied a total of 0 rules in 915 ms. Remains 1380 /1380 variables (removed 0) and now considering 144368/144368 (removed 0) transitions.
[2023-03-17 12:12:52] [INFO ] Flow matrix only has 81237 transitions (discarded 63131 similar events)
[2023-03-17 12:12:52] [INFO ] Invariant cache hit.
[2023-03-17 12:13:00] [INFO ] Implicit Places using invariants in 8238 ms returned []
Implicit Place search using SMT only with invariants took 8243 ms to find 0 implicit places.
[2023-03-17 12:13:00] [INFO ] Flow matrix only has 81237 transitions (discarded 63131 similar events)
[2023-03-17 12:13:00] [INFO ] Invariant cache hit.
[2023-03-17 12:13:30] [INFO ] Performed 100478/144368 'is it Dead' test of which 0 returned DEAD in 30 seconds.
[2023-03-17 12:13:43] [INFO ] Dead Transitions using invariants and state equation in 43194 ms found 0 transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 52363 ms. Remains : 1380/1380 places, 144368/144368 transitions.
Knowledge obtained : [(AND (NOT p2) p3 (NOT p1) p0), (X (OR p3 p0)), (X (NOT (AND (NOT p2) (NOT p3) (NOT p0)))), (X (NOT (AND p2 (NOT p3) (NOT p0)))), (X (X (OR p3 p0))), (X (X (NOT (AND p1 (NOT p2) (NOT p3))))), (X (X p3)), (X (X (NOT (AND (NOT p2) (NOT p3) (NOT p0))))), (X (X (NOT p1))), (X (X (NOT (AND p2 (NOT p3) (NOT p0))))), (X (X (NOT (AND (NOT p1) (NOT p2) (NOT p3))))), (X (X (NOT (AND p1 p2 (NOT p3))))), (X (X (NOT (AND (NOT p1) p2 (NOT p3)))))]
False Knowledge obtained : [(F p1)]
Knowledge based reduction with 13 factoid took 515 ms. Reduced automaton from 6 states, 15 edges and 4 AP (stutter sensitive) to 6 states, 15 edges and 4 AP (stutter sensitive).
Stuttering acceptance computed with spot in 227 ms :[true, (AND p2 (NOT p3)), (NOT p1), (AND (NOT p1) p2 (NOT p3)), (AND p2 (NOT p3) (NOT p1) (NOT p0)), (AND (NOT p3) (NOT p0) p2 (NOT p1))]
Stuttering acceptance computed with spot in 210 ms :[true, (AND p2 (NOT p3)), (NOT p1), (AND (NOT p1) p2 (NOT p3)), (AND p2 (NOT p3) (NOT p1) (NOT p0)), (AND (NOT p3) (NOT p0) p2 (NOT p1))]
Stuttering acceptance computed with spot in 202 ms :[true, (AND p2 (NOT p3)), (NOT p1), (AND (NOT p1) p2 (NOT p3)), (AND p2 (NOT p3) (NOT p1) (NOT p0)), (AND (NOT p3) (NOT p0) p2 (NOT p1))]
Product exploration explored 100000 steps with 0 reset in 8472 ms.
Product exploration explored 100000 steps with 0 reset in 8551 ms.
Applying partial POR strategy [true, false, true, false, false, false]
Stuttering acceptance computed with spot in 314 ms :[true, (AND p2 (NOT p3)), (NOT p1), (AND (NOT p1) p2 (NOT p3)), (AND p2 (NOT p3) (NOT p1) (NOT p0)), (AND (NOT p3) (NOT p0) p2 (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 853 ms. Remains 1381 /1381 variables (removed 0) and now considering 144369/144369 (removed 0) transitions.
[2023-03-17 12:14:03] [INFO ] Flow matrix only has 81238 transitions (discarded 63131 similar events)
// Phase 1: matrix 81238 rows 1381 cols
[2023-03-17 12:14:03] [INFO ] Computed 19 place invariants in 251 ms
[2023-03-17 12:14:33] [INFO ] Performed 100804/144369 'is it Dead' test of which 0 returned DEAD in 30 seconds.
[2023-03-17 12:14:46] [INFO ] Dead Transitions using invariants and state equation in 43460 ms found 0 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 44317 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 404 ms. Remains 1381 /1381 variables (removed 0) and now considering 144369/144369 (removed 0) transitions.
[2023-03-17 12:14:47] [INFO ] Flow matrix only has 81238 transitions (discarded 63131 similar events)
[2023-03-17 12:14:47] [INFO ] Invariant cache hit.
[2023-03-17 12:14:55] [INFO ] Implicit Places using invariants in 7749 ms returned []
Implicit Place search using SMT only with invariants took 7750 ms to find 0 implicit places.
[2023-03-17 12:14:55] [INFO ] Flow matrix only has 81238 transitions (discarded 63131 similar events)
[2023-03-17 12:14:55] [INFO ] Invariant cache hit.
[2023-03-17 12:15:25] [INFO ] Performed 100456/144369 'is it Dead' test of which 0 returned DEAD in 30 seconds.
[2023-03-17 12:15:38] [INFO ] Dead Transitions using invariants and state equation in 43170 ms found 0 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 51327 ms. Remains : 1381/1381 places, 144369/144369 transitions.
Treatment of property RERS17pb115-PT-3-LTLFireability-10 finished in 523959 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202303021504/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(F(G(p0)))'
Support contains 4 out of 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 981 ms. Remains 1380 /1381 variables (removed 1) and now considering 144368/144369 (removed 1) transitions.
[2023-03-17 12:15:44] [INFO ] Flow matrix only has 81237 transitions (discarded 63131 similar events)
// Phase 1: matrix 81237 rows 1380 cols
[2023-03-17 12:15:44] [INFO ] Computed 19 place invariants in 271 ms
[2023-03-17 12:15:52] [INFO ] Implicit Places using invariants in 8405 ms returned []
Implicit Place search using SMT only with invariants took 8408 ms to find 0 implicit places.
[2023-03-17 12:15:52] [INFO ] Flow matrix only has 81237 transitions (discarded 63131 similar events)
[2023-03-17 12:15:52] [INFO ] Invariant cache hit.
[2023-03-17 12:16:22] [INFO ] Performed 101092/144368 'is it Dead' test of which 0 returned DEAD in 30 seconds.
[2023-03-17 12:16:35] [INFO ] Dead Transitions using invariants and state equation in 42958 ms found 0 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 52352 ms. Remains : 1380/1381 places, 144368/144369 transitions.
Stuttering acceptance computed with spot in 47 ms :[(NOT p0)]
Running random walk in product with property : RERS17pb115-PT-3-LTLFireability-11 automaton TGBA Formula[mat=[[{ cond=p0, acceptance={} source=0 dest: 0}, { cond=(NOT p0), acceptance={0} source=0 dest: 0}]], initial=0, aps=[p0:(AND (GEQ s399 1) (GEQ s1059 1) (OR (LT s135 1) (LT s1091 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 8951 ms.
Product exploration explored 100000 steps with 0 reset in 8765 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 103 ms. Reduced automaton from 1 states, 2 edges and 1 AP (stutter insensitive) to 1 states, 2 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 26 ms :[(NOT p0)]
Incomplete random walk after 10000 steps, including 2 resets, run finished after 890 ms. (steps per millisecond=11 ) properties (out of 1) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 71 ms. (steps per millisecond=140 ) properties (out of 1) seen :0
Interrupted probabilistic random walk after 3005 steps, run timeout after 3005 ms. (steps per millisecond=1 ) properties seen :{}
Probabilistic random walk after 3005 steps, saw 2541 distinct states, run finished after 3006 ms. (steps per millisecond=0 ) properties seen :0
Running SMT prover for 1 properties.
[2023-03-17 12:16:58] [INFO ] Flow matrix only has 81237 transitions (discarded 63131 similar events)
[2023-03-17 12:16:58] [INFO ] Invariant cache hit.
[2023-03-17 12:16:58] [INFO ] [Real]Absence check using 19 positive place invariants in 13 ms returned sat
[2023-03-17 12:17:17] [INFO ] After 19085ms SMT Verify possible using state equation in real domain returned unsat :0 sat :1
[2023-03-17 12:17:18] [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: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 12:17:23] [WARNING] SMT solver failed with error :SMT solver raised an error when submitting script.... while checking expressions.
[2023-03-17 12:17:23] [INFO ] After 25030ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0
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 921 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 925 ms. Remains : 1380/1380 places, 144368/144368 transitions.
Incomplete random walk after 10000 steps, including 2 resets, run finished after 857 ms. (steps per millisecond=11 ) properties (out of 1) seen :0
Incomplete Best-First random walk after 10000 steps, including 2 resets, run finished after 71 ms. (steps per millisecond=140 ) properties (out of 1) seen :0
Interrupted probabilistic random walk after 3000 steps, run timeout after 3004 ms. (steps per millisecond=0 ) properties seen :{}
Probabilistic random walk after 3000 steps, saw 2537 distinct states, run finished after 3004 ms. (steps per millisecond=0 ) properties seen :0
Running SMT prover for 1 properties.
[2023-03-17 12:17:28] [INFO ] Flow matrix only has 81237 transitions (discarded 63131 similar events)
[2023-03-17 12:17:28] [INFO ] Invariant cache hit.
[2023-03-17 12:17:28] [INFO ] [Real]Absence check using 19 positive place invariants in 14 ms returned sat
[2023-03-17 12:17:47] [INFO ] After 19038ms SMT Verify possible using state equation in real domain returned unsat :0 sat :1
[2023-03-17 12:17:48] [INFO ] State equation strengthened by 741 read => feed constraints.
[2023-03-17 12:17:53] [INFO ] After 5229ms SMT Verify possible using 741 Read/Feed constraints in real domain returned unsat :0 sat :0
[2023-03-17 12:17:53] [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 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 889 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 889 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 887 ms. Remains 1380 /1380 variables (removed 0) and now considering 144368/144368 (removed 0) transitions.
[2023-03-17 12:17:55] [INFO ] Flow matrix only has 81237 transitions (discarded 63131 similar events)
[2023-03-17 12:17:55] [INFO ] Invariant cache hit.
[2023-03-17 12:18:03] [INFO ] Implicit Places using invariants in 7790 ms returned []
Implicit Place search using SMT only with invariants took 7791 ms to find 0 implicit places.
[2023-03-17 12:18:03] [INFO ] Flow matrix only has 81237 transitions (discarded 63131 similar events)
[2023-03-17 12:18:03] [INFO ] Invariant cache hit.
[2023-03-17 12:18:33] [INFO ] Performed 99749/144368 'is it Dead' test of which 0 returned DEAD in 30 seconds.
[2023-03-17 12:18:46] [INFO ] Dead Transitions using invariants and state equation in 43571 ms found 0 transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 52260 ms. Remains : 1380/1380 places, 144368/144368 transitions.
Knowledge obtained : [(NOT p0), (X (NOT p0)), (X (X (NOT p0)))]
False Knowledge obtained : []
Knowledge based reduction with 3 factoid took 102 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 27 ms :[(NOT p0)]
Stuttering acceptance computed with spot in 37 ms :[(NOT p0)]
[2023-03-17 12:18:47] [INFO ] Flow matrix only has 81237 transitions (discarded 63131 similar events)
[2023-03-17 12:18:47] [INFO ] Invariant cache hit.
Could not prove EG (NOT p0)
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 827 ms. Remains 1380 /1380 variables (removed 0) and now considering 144368/144368 (removed 0) transitions.
[2023-03-17 12:19:03] [INFO ] Flow matrix only has 81237 transitions (discarded 63131 similar events)
[2023-03-17 12:19:03] [INFO ] Invariant cache hit.
[2023-03-17 12:19:11] [INFO ] Implicit Places using invariants in 7640 ms returned []
Implicit Place search using SMT only with invariants took 7640 ms to find 0 implicit places.
[2023-03-17 12:19:11] [INFO ] Flow matrix only has 81237 transitions (discarded 63131 similar events)
[2023-03-17 12:19:11] [INFO ] Invariant cache hit.
[2023-03-17 12:19:41] [INFO ] Performed 100815/144368 'is it Dead' test of which 0 returned DEAD in 30 seconds.
[2023-03-17 12:19:54] [INFO ] Dead Transitions using invariants and state equation in 43573 ms found 0 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 52044 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 99 ms. Reduced automaton from 1 states, 2 edges and 1 AP (stutter insensitive) to 1 states, 2 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 25 ms :[(NOT p0)]
Incomplete random walk after 10000 steps, including 2 resets, run finished after 795 ms. (steps per millisecond=12 ) properties (out of 1) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 69 ms. (steps per millisecond=144 ) properties (out of 1) seen :0
Interrupted probabilistic random walk after 3438 steps, run timeout after 3006 ms. (steps per millisecond=1 ) properties seen :{}
Probabilistic random walk after 3438 steps, saw 2903 distinct states, run finished after 3006 ms. (steps per millisecond=1 ) properties seen :0
Running SMT prover for 1 properties.
[2023-03-17 12:20:00] [INFO ] Flow matrix only has 81237 transitions (discarded 63131 similar events)
[2023-03-17 12:20:00] [INFO ] Invariant cache hit.
[2023-03-17 12:20:00] [INFO ] [Real]Absence check using 19 positive place invariants in 12 ms returned sat
[2023-03-17 12:20:19] [INFO ] After 19027ms SMT Verify possible using state equation in real domain returned unsat :0 sat :1
[2023-03-17 12:20:20] [INFO ] State equation strengthened by 741 read => feed constraints.
[2023-03-17 12:20:25] [INFO ] After 5075ms SMT Verify possible using 741 Read/Feed constraints in real domain returned unsat :0 sat :0
[2023-03-17 12:20:25] [INFO ] After 25026ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0
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 909 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 912 ms. Remains : 1380/1380 places, 144368/144368 transitions.
Incomplete random walk after 10000 steps, including 2 resets, run finished after 840 ms. (steps per millisecond=11 ) properties (out of 1) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 71 ms. (steps per millisecond=140 ) properties (out of 1) seen :0
Interrupted probabilistic random walk after 3334 steps, run timeout after 3003 ms. (steps per millisecond=1 ) properties seen :{}
Probabilistic random walk after 3334 steps, saw 2814 distinct states, run finished after 3003 ms. (steps per millisecond=1 ) properties seen :0
Running SMT prover for 1 properties.
[2023-03-17 12:20:30] [INFO ] Flow matrix only has 81237 transitions (discarded 63131 similar events)
[2023-03-17 12:20:30] [INFO ] Invariant cache hit.
[2023-03-17 12:20:30] [INFO ] [Real]Absence check using 19 positive place invariants in 11 ms returned sat
[2023-03-17 12:20:49] [INFO ] After 19336ms SMT Verify possible using state equation in real domain returned unsat :0 sat :1
[2023-03-17 12:20:50] [INFO ] State equation strengthened by 741 read => feed constraints.
[2023-03-17 12:20:55] [INFO ] After 4945ms SMT Verify possible using 741 Read/Feed constraints in real domain returned unsat :0 sat :0
[2023-03-17 12:20:55] [INFO ] After 25022ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0
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 807 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 807 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 806 ms. Remains 1380 /1380 variables (removed 0) and now considering 144368/144368 (removed 0) transitions.
[2023-03-17 12:20:56] [INFO ] Flow matrix only has 81237 transitions (discarded 63131 similar events)
[2023-03-17 12:20:56] [INFO ] Invariant cache hit.
[2023-03-17 12:21:04] [INFO ] Implicit Places using invariants in 7622 ms returned []
Implicit Place search using SMT only with invariants took 7622 ms to find 0 implicit places.
[2023-03-17 12:21:04] [INFO ] Flow matrix only has 81237 transitions (discarded 63131 similar events)
[2023-03-17 12:21:04] [INFO ] Invariant cache hit.
[2023-03-17 12:21:34] [INFO ] Performed 100563/144368 'is it Dead' test of which 0 returned DEAD in 30 seconds.
[2023-03-17 12:21:47] [INFO ] Dead Transitions using invariants and state equation in 43071 ms found 0 transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 51511 ms. Remains : 1380/1380 places, 144368/144368 transitions.
Knowledge obtained : [(NOT p0), (X (NOT p0)), (X (X (NOT p0)))]
False Knowledge obtained : []
Knowledge based reduction with 3 factoid took 97 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 23 ms :[(NOT p0)]
Stuttering acceptance computed with spot in 33 ms :[(NOT p0)]
[2023-03-17 12:21:48] [INFO ] Flow matrix only has 81237 transitions (discarded 63131 similar events)
[2023-03-17 12:21:48] [INFO ] Invariant cache hit.
Could not prove EG (NOT p0)
Stuttering acceptance computed with spot in 28 ms :[(NOT p0)]
Product exploration explored 100000 steps with 0 reset in 8805 ms.
Product exploration explored 100000 steps with 0 reset in 9316 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 843 ms. Remains 1380 /1380 variables (removed 0) and now considering 144368/144368 (removed 0) transitions.
[2023-03-17 12:22:22] [INFO ] Flow matrix only has 81237 transitions (discarded 63131 similar events)
[2023-03-17 12:22:22] [INFO ] Invariant cache hit.
[2023-03-17 12:22:30] [INFO ] Implicit Places using invariants in 7908 ms returned []
Implicit Place search using SMT only with invariants took 7909 ms to find 0 implicit places.
[2023-03-17 12:22:30] [INFO ] Flow matrix only has 81237 transitions (discarded 63131 similar events)
[2023-03-17 12:22:30] [INFO ] Invariant cache hit.
[2023-03-17 12:23:00] [INFO ] Performed 101072/144368 'is it Dead' test of which 0 returned DEAD in 30 seconds.
[2023-03-17 12:23:13] [INFO ] Dead Transitions using invariants and state equation in 43023 ms found 0 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 51778 ms. Remains : 1380/1380 places, 144368/144368 transitions.
Treatment of property RERS17pb115-PT-3-LTLFireability-11 finished in 455261 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 931 ms. Remains 1380 /1381 variables (removed 1) and now considering 144368/144369 (removed 1) transitions.
[2023-03-17 12:23:19] [INFO ] Flow matrix only has 81237 transitions (discarded 63131 similar events)
[2023-03-17 12:23:19] [INFO ] Invariant cache hit.
[2023-03-17 12:23:27] [INFO ] Implicit Places using invariants in 7911 ms returned []
Implicit Place search using SMT only with invariants took 7911 ms to find 0 implicit places.
[2023-03-17 12:23:27] [INFO ] Flow matrix only has 81237 transitions (discarded 63131 similar events)
[2023-03-17 12:23:27] [INFO ] Invariant cache hit.
[2023-03-17 12:23:57] [INFO ] Performed 101357/144368 'is it Dead' test of which 0 returned DEAD in 30 seconds.
[2023-03-17 12:24:10] [INFO ] Dead Transitions using invariants and state equation in 42906 ms found 0 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 51752 ms. Remains : 1380/1381 places, 144368/144369 transitions.
Stuttering acceptance computed with spot in 37 ms :[(NOT p0)]
Running random walk in product with property : RERS17pb115-PT-3-LTLFireability-12 automaton TGBA Formula[mat=[[{ cond=p0, acceptance={} source=0 dest: 0}, { cond=(NOT p0), acceptance={0} source=0 dest: 0}]], initial=0, aps=[p0:(AND (GEQ s28 1) (GEQ s354 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 8854 ms.
Product exploration explored 100000 steps with 0 reset in 8850 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 125 ms. Reduced automaton from 1 states, 2 edges and 1 AP (stutter insensitive) to 1 states, 2 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 39 ms :[(NOT p0)]
Incomplete random walk after 10000 steps, including 2 resets, run finished after 909 ms. (steps per millisecond=11 ) properties (out of 1) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 74 ms. (steps per millisecond=135 ) properties (out of 1) seen :0
Interrupted probabilistic random walk after 2932 steps, run timeout after 3002 ms. (steps per millisecond=0 ) properties seen :{}
Probabilistic random walk after 2932 steps, saw 2480 distinct states, run finished after 3002 ms. (steps per millisecond=0 ) properties seen :0
Running SMT prover for 1 properties.
[2023-03-17 12:24:33] [INFO ] Flow matrix only has 81237 transitions (discarded 63131 similar events)
[2023-03-17 12:24:33] [INFO ] Invariant cache hit.
[2023-03-17 12:24:33] [INFO ] [Real]Absence check using 19 positive place invariants in 12 ms returned sat
TIME LIMIT: Killed by timeout after 3600 seconds
MemTotal: 16393216 kB
MemFree: 6115728 kB
After kill :
MemTotal: 16393216 kB
MemFree: 15998916 kB

BK_TIME_CONFINEMENT_REACHED

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

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

Sequence of Actions to be Executed by the VM

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

set -x
# this is for BenchKit: configuration of major elements for the test
export BK_INPUT="RERS17pb115-PT-3"
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-3, 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-167889201700164"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/RERS17pb115-PT-3.tgz
mv RERS17pb115-PT-3 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 ;