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.r021-oct2-167813608800192.qcow2', fmt=qcow2 cluster_size=65536 extended_l2=off compression_type=zlib size=4294967296 backing_file=/data/fkordon/mcc2023-input.qcow2 backing_fmt=qcow2 lazy_refcounts=off refcount_bits=16
Waiting for the VM to be ready (probing ssh)
.......................
=====================================================================
Generated by BenchKit 2-5348
Executing tool lolaxred
Input is AirplaneLD-PT-4000, examination is QuasiLiveness
Time confinement is 1800 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r021-oct2-167813608800192
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 89M
-rw-r--r-- 1 mcc users 2.8M Feb 26 15:13 CTLCardinality.txt
-rw-r--r-- 1 mcc users 8.9M Feb 26 15:13 CTLCardinality.xml
-rw-r--r-- 1 mcc users 1.6M Feb 26 13:29 CTLFireability.txt
-rw-r--r-- 1 mcc users 8.7M Feb 26 13:29 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K Jan 29 11:40 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 734K Feb 25 15:31 LTLCardinality.txt
-rw-r--r-- 1 mcc users 1.7M Feb 25 15:31 LTLCardinality.xml
-rw-r--r-- 1 mcc users 1.1M Feb 25 15:31 LTLFireability.txt
-rw-r--r-- 1 mcc users 4.1M Feb 25 15:31 LTLFireability.xml
-rw-r--r-- 1 mcc users 5.3M Feb 26 19:56 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 17M Feb 26 19:56 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 3.0M Feb 26 17:42 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 17M Feb 26 17:42 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 191K Feb 25 15:31 UpperBounds.txt
-rw-r--r-- 1 mcc users 358K Feb 25 15:31 UpperBounds.xml
-rw-r--r-- 1 mcc users 5 Mar 5 18:22 equiv_col
-rw-r--r-- 1 mcc users 5 Mar 5 18:22 instance
-rw-r--r-- 1 mcc users 6 Mar 5 18:22 iscolored
-rw-r--r-- 1 mcc users 18M Mar 5 18:22 model.pnml

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

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

The expected result is a vector of booleans
BOOL_VECTOR

FORMULA_NAME QuasiLiveness

=== Now, execution of the tool begins

BK_START 1678931959213

bash -c /home/mcc/BenchKit/BenchKit_head.sh 2> STDERR ; echo ; echo -n "BK_STOP " ; date -u +%s%3N
Invoking MCC driver with
BK_TOOL=lolaxred
BK_EXAMINATION=QuasiLiveness
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=1800
BK_INPUT=AirplaneLD-PT-4000
Applying reductions before tool lola
Invoking reducer
Running Version 202303021504
[2023-03-16 01:59:21] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, QuasiLiveness, -timeout, 180, -rebuildPNML]
[2023-03-16 01:59:21] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2023-03-16 01:59:22] [INFO ] Load time of PNML (sax parser for PT used): 1120 ms
[2023-03-16 01:59:23] [INFO ] Transformed 28019 places.
[2023-03-16 01:59:23] [INFO ] Transformed 32008 transitions.
[2023-03-16 01:59:23] [INFO ] Parsed PT model containing 28019 places and 32008 transitions and 122028 arcs in 1518 ms.
Starting structural reductions in LIVENESS mode, iteration 0 : 28019/28019 places, 32008/32008 transitions.
Reduce places removed 12005 places and 0 transitions.
Iterating post reduction 0 with 12005 rules applied. Total rules applied 12005 place count 16014 transition count 32008
Applied a total of 12005 rules in 763 ms. Remains 16014 /28019 variables (removed 12005) and now considering 32008/32008 (removed 0) transitions.
// Phase 1: matrix 32008 rows 16014 cols
[2023-03-16 01:59:48] [INFO ] Computed 1 place invariants in 23906 ms
[2023-03-16 01:59:50] [INFO ] SMT solver returned unknown. Retrying;
[2023-03-16 01:59:50] [INFO ] Implicit Places using invariants in 26265 ms returned []
Implicit Place search using SMT only with invariants took 26309 ms to find 0 implicit places.
[2023-03-16 01:59:50] [INFO ] Invariant cache hit.
[2023-03-16 01:59:52] [INFO ] SMT solver returned unknown. Retrying;
[2023-03-16 01:59:52] [INFO ] Dead Transitions using invariants and state equation in 1774 ms found 0 transitions.
Starting structural reductions in LIVENESS mode, iteration 1 : 16014/28019 places, 32008/32008 transitions.
Finished structural reductions in LIVENESS mode , in 1 iterations and 28858 ms. Remains : 16014/28019 places, 32008/32008 transitions.
Discarding 15999 transitions out of 32008. Remains 16009
Initial state reduction rules removed 5 formulas.
Incomplete random walk after 10000 steps, including 1255 resets, run finished after 29137 ms. (steps per millisecond=0 ) properties (out of 16004) seen :10
Probabilistic random walk after 30001 steps, saw 26939 distinct states, run finished after 50029 ms. (steps per millisecond=0 ) properties seen :0
Running SMT prover for 15994 properties.
[2023-03-16 02:01:13] [INFO ] Invariant cache hit.
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.assertInvariants(DeadlockTester.java:2347)
at fr.lip6.move.gal.structural.smt.DeadlockTester.verifyPossible(DeadlockTester.java:618)
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.global.GlobalPropertySolver.applyReachabilitySolver(GlobalPropertySolver.java:724)
at fr.lip6.move.gal.application.solver.global.GlobalPropertySolver.solveProperty(GlobalPropertySolver.java:558)
at fr.lip6.move.gal.application.solver.global.GlobalPropertySolver.preSolveLiveness(GlobalPropertySolver.java:412)
at fr.lip6.move.gal.application.solver.global.GlobalPropertySolver.preStableMarking(GlobalPropertySolver.java:321)
at fr.lip6.move.gal.application.solver.global.GlobalPropertySolver.solveProperty(GlobalPropertySolver.java:294)
at fr.lip6.move.gal.application.Application.startNoEx(Application.java:386)
at fr.lip6.move.gal.application.Application.start(Application.java:178)
at fr.lip6.move.gal.itscl.application.Application.start(Application.java:45)
at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:203)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:136)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:104)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:402)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:255)
at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:77)
at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.base/java.lang.reflect.Method.invoke(Method.java:568)
at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:659)
at org.eclipse.equinox.launcher.Main.basicRun(Main.java:596)
at org.eclipse.equinox.launcher.Main.run(Main.java:1467)
at org.eclipse.equinox.launcher.Main.main(Main.java:1440)
[2023-03-16 02:01:38] [WARNING] SMT solver failed with error :SMT solver raised an error when submitting script.... while checking expressions.
[2023-03-16 02:01:38] [INFO ] After 25033ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0
Fused 15994 Parikh solutions to 1 different solutions.
Parikh walk visited 0 properties in 9 ms.
Support contains 15997 out of 16014 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 16014/16014 places, 32008/32008 transitions.
Graph (complete) has 22012 edges and 16014 vertex of which 16012 are kept as prefixes of interest. Removing 2 places using SCC suffix rule.81 ms
Discarding 2 places :
Also discarding 0 output transitions
Drop transitions removed 4 transitions
Reduce isomorphic transitions removed 4 transitions.
Iterating post reduction 0 with 4 rules applied. Total rules applied 5 place count 16012 transition count 32004
Performed 3 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 1 with 3 Pre rules applied. Total rules applied 5 place count 16012 transition count 32001
Deduced a syphon composed of 3 places in 6 ms
Ensure Unique test removed 2 places
Reduce places removed 5 places and 0 transitions.
Iterating global reduction 1 with 8 rules applied. Total rules applied 13 place count 16007 transition count 32001
Discarding 2 places :
Symmetric choice reduction at 1 with 2 rule applications. Total rules 15 place count 16005 transition count 31999
Iterating global reduction 1 with 2 rules applied. Total rules applied 17 place count 16005 transition count 31999
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 1 with 2 rules applied. Total rules applied 19 place count 16005 transition count 31997
Free-agglomeration rule applied 4 times.
Iterating global reduction 2 with 4 rules applied. Total rules applied 23 place count 16005 transition count 31993
Reduce places removed 4 places and 0 transitions.
Iterating post reduction 2 with 4 rules applied. Total rules applied 27 place count 16001 transition count 31993
Applied a total of 27 rules in 1037 ms. Remains 16001 /16014 variables (removed 13) and now considering 31993/32008 (removed 15) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 1053 ms. Remains : 16001/16014 places, 31993/32008 transitions.
Interrupted random walk after 8315 steps, including 1226 resets, run timeout after 30014 ms. (steps per millisecond=0 ) properties seen 20
Incomplete Best-First random walk after 1001 steps, including 0 resets, run finished after 8 ms. (steps per millisecond=125 ) properties (out of 15974) seen :0
Incomplete Best-First random walk after 1001 steps, including 0 resets, run finished after 8 ms. (steps per millisecond=125 ) properties (out of 15974) seen :0
Incomplete Best-First random walk after 1001 steps, including 0 resets, run finished after 10 ms. (steps per millisecond=100 ) properties (out of 15974) seen :0
Incomplete Best-First random walk after 1001 steps, including 0 resets, run finished after 8 ms. (steps per millisecond=125 ) properties (out of 15974) seen :0
Incomplete Best-First random walk after 1001 steps, including 0 resets, run finished after 8 ms. (steps per millisecond=125 ) properties (out of 15974) seen :0
Incomplete Best-First random walk after 1001 steps, including 0 resets, run finished after 8 ms. (steps per millisecond=125 ) properties (out of 15974) seen :0
Incomplete Best-First random walk after 1001 steps, including 0 resets, run finished after 8 ms. (steps per millisecond=125 ) properties (out of 15974) seen :0
Incomplete Best-First random walk after 1001 steps, including 0 resets, run finished after 9 ms. (steps per millisecond=111 ) properties (out of 15974) seen :0
Incomplete Best-First random walk after 1001 steps, including 0 resets, run finished after 8 ms. (steps per millisecond=125 ) properties (out of 15974) seen :0
Incomplete Best-First random walk after 1001 steps, including 0 resets, run finished after 8 ms. (steps per millisecond=125 ) properties (out of 15974) seen :0
Incomplete Best-First random walk after 1001 steps, including 0 resets, run finished after 8 ms. (steps per millisecond=125 ) properties (out of 15974) seen :0
Incomplete Best-First random walk after 1001 steps, including 0 resets, run finished after 8 ms. (steps per millisecond=125 ) properties (out of 15974) seen :0
Incomplete Best-First random walk after 1001 steps, including 0 resets, run finished after 8 ms. (steps per millisecond=125 ) properties (out of 15974) seen :0
Incomplete Best-First random walk after 1001 steps, including 0 resets, run finished after 8 ms. (steps per millisecond=125 ) properties (out of 15974) seen :0
Incomplete Best-First random walk after 1001 steps, including 0 resets, run finished after 9 ms. (steps per millisecond=111 ) properties (out of 15974) seen :0
Incomplete Best-First random walk after 1001 steps, including 0 resets, run finished after 10 ms. (steps per millisecond=100 ) properties (out of 15974) seen :0
Incomplete Best-First random walk after 1001 steps, including 0 resets, run finished after 8 ms. (steps per millisecond=125 ) properties (out of 15974) seen :0
Incomplete Best-First random walk after 1001 steps, including 0 resets, run finished after 8 ms. (steps per millisecond=125 ) properties (out of 15974) seen :0
Incomplete Best-First random walk after 1001 steps, including 0 resets, run finished after 8 ms. (steps per millisecond=125 ) properties (out of 15974) seen :0
Incomplete Best-First random walk after 1001 steps, including 0 resets, run finished after 7 ms. (steps per millisecond=143 ) properties (out of 15974) seen :0
Incomplete Best-First random walk after 1001 steps, including 0 resets, run finished after 8 ms. (steps per millisecond=125 ) properties (out of 15974) seen :0
Incomplete Best-First random walk after 1001 steps, including 0 resets, run finished after 8 ms. (steps per millisecond=125 ) properties (out of 15974) seen :0
Incomplete Best-First random walk after 1001 steps, including 0 resets, run finished after 8 ms. (steps per millisecond=125 ) properties (out of 15974) seen :0
Incomplete Best-First random walk after 1001 steps, including 0 resets, run finished after 8 ms. (steps per millisecond=125 ) properties (out of 15974) seen :0
Incomplete Best-First random walk after 1001 steps, including 0 resets, run finished after 9 ms. (steps per millisecond=111 ) properties (out of 15974) seen :0
Incomplete Best-First random walk after 1001 steps, including 0 resets, run finished after 8 ms. (steps per millisecond=125 ) properties (out of 15974) seen :0
Incomplete Best-First random walk after 1001 steps, including 0 resets, run finished after 8 ms. (steps per millisecond=125 ) properties (out of 15974) seen :0
Incomplete Best-First random walk after 1001 steps, including 0 resets, run finished after 7 ms. (steps per millisecond=143 ) properties (out of 15974) seen :0
Incomplete Best-First random walk after 1001 steps, including 0 resets, run finished after 7 ms. (steps per millisecond=143 ) properties (out of 15974) seen :0
Incomplete Best-First random walk after 1001 steps, including 0 resets, run finished after 7 ms. (steps per millisecond=143 ) properties (out of 15974) seen :0
Incomplete Best-First random walk after 1001 steps, including 0 resets, run finished after 8 ms. (steps per millisecond=125 ) properties (out of 15974) seen :0
Incomplete Best-First random walk after 1001 steps, including 0 resets, run finished after 8 ms. (steps per millisecond=125 ) properties (out of 15974) seen :0
Incomplete Best-First random walk after 1001 steps, including 0 resets, run finished after 8 ms. (steps per millisecond=125 ) properties (out of 15974) seen :0
Incomplete Best-First random walk after 1001 steps, including 0 resets, run finished after 8 ms. (steps per millisecond=125 ) properties (out of 15974) seen :0
Incomplete Best-First random walk after 1001 steps, including 0 resets, run finished after 8 ms. (steps per millisecond=125 ) properties (out of 15974) seen :0
Incomplete Best-First random walk after 1001 steps, including 0 resets, run finished after 7 ms. (steps per millisecond=143 ) properties (out of 15974) seen :0
Incomplete Best-First random walk after 1001 steps, including 0 resets, run finished after 7 ms. (steps per millisecond=143 ) properties (out of 15974) seen :0
Incomplete Best-First random walk after 1001 steps, including 0 resets, run finished after 8 ms. (steps per millisecond=125 ) properties (out of 15974) seen :0
Incomplete Best-First random walk after 1001 steps, including 0 resets, run finished after 8 ms. (steps per millisecond=125 ) properties (out of 15974) seen :0
Incomplete Best-First random walk after 1001 steps, including 0 resets, run finished after 8 ms. (steps per millisecond=125 ) properties (out of 15974) seen :0
Incomplete Best-First random walk after 1001 steps, including 0 resets, run finished after 8 ms. (steps per millisecond=125 ) properties (out of 15974) seen :0
Incomplete Best-First random walk after 1001 steps, including 0 resets, run finished after 8 ms. (steps per millisecond=125 ) properties (out of 15974) seen :0
Incomplete Best-First random walk after 1001 steps, including 0 resets, run finished after 8 ms. (steps per millisecond=125 ) properties (out of 15974) seen :0
Incomplete Best-First random walk after 1001 steps, including 0 resets, run finished after 8 ms. (steps per millisecond=125 ) properties (out of 15974) seen :0
Incomplete Best-First random walk after 1001 steps, including 0 resets, run finished after 8 ms. (steps per millisecond=125 ) properties (out of 15974) seen :0
Incomplete Best-First random walk after 1001 steps, including 0 resets, run finished after 8 ms. (steps per millisecond=125 ) properties (out of 15974) seen :0
Incomplete Best-First random walk after 1001 steps, including 0 resets, run finished after 8 ms. (steps per millisecond=125 ) properties (out of 15974) seen :0
Incomplete Best-First random walk after 1001 steps, including 0 resets, run finished after 8 ms. (steps per millisecond=125 ) properties (out of 15974) seen :0
Incomplete Best-First random walk after 1001 steps, including 0 resets, run finished after 8 ms. (steps per millisecond=125 ) properties (out of 15974) seen :0
Incomplete Best-First random walk after 1001 steps, including 0 resets, run finished after 7 ms. (steps per millisecond=143 ) properties (out of 15974) seen :0
Probabilistic random walk after 120964 steps, saw 65911 distinct states, run finished after 90256 ms. (steps per millisecond=1 ) properties seen :11973
Running SMT prover for 4001 properties.
// Phase 1: matrix 31993 rows 16001 cols
[2023-03-16 02:04:03] [INFO ] Computed 1 place invariants in 22721 ms
java.lang.RuntimeException: SMT solver raised an error when submitting script. Raised (error "Failed to assert expression: java.io.IOException: Stream close...
at fr.lip6.move.gal.structural.smt.SMTUtils.execAndCheckResult(SMTUtils.java:251)
at fr.lip6.move.gal.structural.smt.DeadlockTester.assertInvariants(DeadlockTester.java:2347)
at fr.lip6.move.gal.structural.smt.DeadlockTester.verifyPossible(DeadlockTester.java:618)
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.global.GlobalPropertySolver.applyReachabilitySolver(GlobalPropertySolver.java:724)
at fr.lip6.move.gal.application.solver.global.GlobalPropertySolver.solveProperty(GlobalPropertySolver.java:558)
at fr.lip6.move.gal.application.solver.global.GlobalPropertySolver.preSolveLiveness(GlobalPropertySolver.java:412)
at fr.lip6.move.gal.application.solver.global.GlobalPropertySolver.preStableMarking(GlobalPropertySolver.java:321)
at fr.lip6.move.gal.application.solver.global.GlobalPropertySolver.solveProperty(GlobalPropertySolver.java:294)
at fr.lip6.move.gal.application.Application.startNoEx(Application.java:386)
at fr.lip6.move.gal.application.Application.start(Application.java:178)
at fr.lip6.move.gal.itscl.application.Application.start(Application.java:45)
at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:203)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:136)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:104)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:402)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:255)
at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:77)
at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.base/java.lang.reflect.Method.invoke(Method.java:568)
at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:659)
at org.eclipse.equinox.launcher.Main.basicRun(Main.java:596)
at org.eclipse.equinox.launcher.Main.run(Main.java:1467)
at org.eclipse.equinox.launcher.Main.main(Main.java:1440)
[2023-03-16 02:07:48] [WARNING] SMT solver failed with error :SMT solver raised an error when submitting script.... while checking expressions.
[2023-03-16 02:07:48] [INFO ] After 225148ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0
Fused 4001 Parikh solutions to 1 different solutions.
Parikh walk visited 0 properties in 1 ms.
Support contains 4003 out of 16001 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 16001/16001 places, 31993/31993 transitions.
Graph (complete) has 21999 edges and 16001 vertex of which 12001 are kept as prefixes of interest. Removing 4000 places using SCC suffix rule.12 ms
Discarding 4000 places :
Also discarding 7997 output transitions
Drop transitions removed 7997 transitions
Discarding 7992 places :
Symmetric choice reduction at 0 with 7992 rule applications. Total rules 7993 place count 4009 transition count 16004
Iterating global reduction 0 with 7992 rules applied. Total rules applied 15985 place count 4009 transition count 16004
Ensure Unique test removed 7992 transitions
Reduce isomorphic transitions removed 7992 transitions.
Iterating post reduction 0 with 7992 rules applied. Total rules applied 23977 place count 4009 transition count 8012
Free-agglomeration rule applied 3 times.
Iterating global reduction 1 with 3 rules applied. Total rules applied 23980 place count 4009 transition count 8009
Reduce places removed 3 places and 0 transitions.
Ensure Unique test removed 3 transitions
Reduce isomorphic transitions removed 3 transitions.
Iterating post reduction 1 with 6 rules applied. Total rules applied 23986 place count 4006 transition count 8006
Applied a total of 23986 rules in 605 ms. Remains 4006 /16001 variables (removed 11995) and now considering 8006/31993 (removed 23987) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 618 ms. Remains : 4006/16001 places, 8006/31993 transitions.
Interrupted random walk after 28984 steps, including 5289 resets, run timeout after 30012 ms. (steps per millisecond=0 ) properties seen 1935
Incomplete Best-First random walk after 1001 steps, including 0 resets, run finished after 15 ms. (steps per millisecond=66 ) properties (out of 2066) seen :0
Incomplete Best-First random walk after 1001 steps, including 0 resets, run finished after 13 ms. (steps per millisecond=77 ) properties (out of 2066) seen :0
Incomplete Best-First random walk after 1001 steps, including 0 resets, run finished after 13 ms. (steps per millisecond=77 ) properties (out of 2066) seen :0
Incomplete Best-First random walk after 1001 steps, including 0 resets, run finished after 12 ms. (steps per millisecond=83 ) properties (out of 2066) seen :0
Incomplete Best-First random walk after 1001 steps, including 0 resets, run finished after 13 ms. (steps per millisecond=77 ) properties (out of 2066) seen :0
Incomplete Best-First random walk after 1001 steps, including 0 resets, run finished after 13 ms. (steps per millisecond=77 ) properties (out of 2066) seen :0
Incomplete Best-First random walk after 1001 steps, including 0 resets, run finished after 12 ms. (steps per millisecond=83 ) properties (out of 2066) seen :0
Incomplete Best-First random walk after 1001 steps, including 0 resets, run finished after 10 ms. (steps per millisecond=100 ) properties (out of 2066) seen :0
Incomplete Best-First random walk after 1001 steps, including 0 resets, run finished after 9 ms. (steps per millisecond=111 ) properties (out of 2066) seen :0
Incomplete Best-First random walk after 1001 steps, including 0 resets, run finished after 9 ms. (steps per millisecond=111 ) properties (out of 2066) seen :0
Incomplete Best-First random walk after 1001 steps, including 0 resets, run finished after 9 ms. (steps per millisecond=111 ) properties (out of 2066) seen :0
Incomplete Best-First random walk after 1001 steps, including 0 resets, run finished after 9 ms. (steps per millisecond=111 ) properties (out of 2066) seen :0
Incomplete Best-First random walk after 1001 steps, including 0 resets, run finished after 9 ms. (steps per millisecond=111 ) properties (out of 2066) seen :0
Incomplete Best-First random walk after 1001 steps, including 0 resets, run finished after 6 ms. (steps per millisecond=166 ) properties (out of 2066) seen :0
Incomplete Best-First random walk after 1001 steps, including 0 resets, run finished after 7 ms. (steps per millisecond=143 ) properties (out of 2066) seen :0
Incomplete Best-First random walk after 1001 steps, including 0 resets, run finished after 12 ms. (steps per millisecond=83 ) properties (out of 2066) seen :0
Incomplete Best-First random walk after 1001 steps, including 0 resets, run finished after 20 ms. (steps per millisecond=50 ) properties (out of 2066) seen :0
Incomplete Best-First random walk after 1001 steps, including 0 resets, run finished after 23 ms. (steps per millisecond=43 ) properties (out of 2066) seen :0
Incomplete Best-First random walk after 1001 steps, including 0 resets, run finished after 9 ms. (steps per millisecond=111 ) properties (out of 2066) seen :0
Incomplete Best-First random walk after 1001 steps, including 0 resets, run finished after 22 ms. (steps per millisecond=45 ) properties (out of 2066) seen :0
Incomplete Best-First random walk after 1001 steps, including 0 resets, run finished after 6 ms. (steps per millisecond=166 ) properties (out of 2066) seen :0
Incomplete Best-First random walk after 1001 steps, including 0 resets, run finished after 7 ms. (steps per millisecond=143 ) properties (out of 2066) seen :0
Incomplete Best-First random walk after 1001 steps, including 0 resets, run finished after 9 ms. (steps per millisecond=111 ) properties (out of 2066) seen :0
Incomplete Best-First random walk after 1001 steps, including 0 resets, run finished after 9 ms. (steps per millisecond=111 ) properties (out of 2066) seen :0
Incomplete Best-First random walk after 1001 steps, including 0 resets, run finished after 6 ms. (steps per millisecond=166 ) properties (out of 2066) seen :0
Incomplete Best-First random walk after 1001 steps, including 0 resets, run finished after 15 ms. (steps per millisecond=66 ) properties (out of 2066) seen :0
Incomplete Best-First random walk after 1001 steps, including 0 resets, run finished after 5 ms. (steps per millisecond=200 ) properties (out of 2066) seen :0
Incomplete Best-First random walk after 1001 steps, including 0 resets, run finished after 5 ms. (steps per millisecond=200 ) properties (out of 2066) seen :0
Incomplete Best-First random walk after 1001 steps, including 0 resets, run finished after 5 ms. (steps per millisecond=200 ) properties (out of 2066) seen :0
Incomplete Best-First random walk after 1001 steps, including 0 resets, run finished after 6 ms. (steps per millisecond=166 ) properties (out of 2066) seen :0
Incomplete Best-First random walk after 1001 steps, including 0 resets, run finished after 5 ms. (steps per millisecond=200 ) properties (out of 2066) seen :0
Incomplete Best-First random walk after 1001 steps, including 0 resets, run finished after 6 ms. (steps per millisecond=166 ) properties (out of 2066) seen :0
Incomplete Best-First random walk after 1001 steps, including 0 resets, run finished after 5 ms. (steps per millisecond=200 ) properties (out of 2066) seen :0
Incomplete Best-First random walk after 1001 steps, including 0 resets, run finished after 5 ms. (steps per millisecond=200 ) properties (out of 2066) seen :0
Incomplete Best-First random walk after 1001 steps, including 0 resets, run finished after 6 ms. (steps per millisecond=166 ) properties (out of 2066) seen :0
Incomplete Best-First random walk after 1001 steps, including 0 resets, run finished after 6 ms. (steps per millisecond=166 ) properties (out of 2066) seen :0
Incomplete Best-First random walk after 1001 steps, including 0 resets, run finished after 18 ms. (steps per millisecond=55 ) properties (out of 2066) seen :0
Incomplete Best-First random walk after 1001 steps, including 0 resets, run finished after 7 ms. (steps per millisecond=143 ) properties (out of 2066) seen :0
Incomplete Best-First random walk after 1001 steps, including 0 resets, run finished after 8 ms. (steps per millisecond=125 ) properties (out of 2066) seen :0
Incomplete Best-First random walk after 1001 steps, including 0 resets, run finished after 6 ms. (steps per millisecond=166 ) properties (out of 2066) seen :0
Incomplete Best-First random walk after 1001 steps, including 0 resets, run finished after 7 ms. (steps per millisecond=143 ) properties (out of 2066) seen :0
Incomplete Best-First random walk after 1001 steps, including 0 resets, run finished after 7 ms. (steps per millisecond=143 ) properties (out of 2066) seen :0
Incomplete Best-First random walk after 1001 steps, including 0 resets, run finished after 6 ms. (steps per millisecond=166 ) properties (out of 2066) seen :0
Incomplete Best-First random walk after 1001 steps, including 0 resets, run finished after 7 ms. (steps per millisecond=143 ) properties (out of 2066) seen :0
Incomplete Best-First random walk after 1001 steps, including 0 resets, run finished after 6 ms. (steps per millisecond=166 ) properties (out of 2066) seen :0
Incomplete Best-First random walk after 1001 steps, including 0 resets, run finished after 7 ms. (steps per millisecond=143 ) properties (out of 2066) seen :0
Incomplete Best-First random walk after 1001 steps, including 0 resets, run finished after 7 ms. (steps per millisecond=143 ) properties (out of 2066) seen :0
Incomplete Best-First random walk after 1001 steps, including 0 resets, run finished after 6 ms. (steps per millisecond=166 ) properties (out of 2066) seen :0
Incomplete Best-First random walk after 1001 steps, including 0 resets, run finished after 6 ms. (steps per millisecond=166 ) properties (out of 2066) seen :0
Incomplete Best-First random walk after 1001 steps, including 0 resets, run finished after 5 ms. (steps per millisecond=200 ) properties (out of 2066) seen :0
Running SMT prover for 2066 properties.
// Phase 1: matrix 8006 rows 4006 cols
[2023-03-16 02:08:22] [INFO ] Computed 1 place invariants in 2683 ms
[2023-03-16 02:11:59] [INFO ] [Real]Absence check using 0 positive and 1 generalized place invariants in 4 ms returned sat
java.lang.RuntimeException: SMT solver raised an error when submitting script. Raised (error "Error writing to Z3 solver: java.io.IOException: Stream closed...
at fr.lip6.move.gal.structural.smt.SMTUtils.execAndCheckResult(SMTUtils.java:251)
at fr.lip6.move.gal.structural.smt.DeadlockTester.verifyPossible(DeadlockTester.java:629)
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.global.GlobalPropertySolver.applyReachabilitySolver(GlobalPropertySolver.java:724)
at fr.lip6.move.gal.application.solver.global.GlobalPropertySolver.solveProperty(GlobalPropertySolver.java:558)
at fr.lip6.move.gal.application.solver.global.GlobalPropertySolver.preSolveLiveness(GlobalPropertySolver.java:412)
at fr.lip6.move.gal.application.solver.global.GlobalPropertySolver.preStableMarking(GlobalPropertySolver.java:321)
at fr.lip6.move.gal.application.solver.global.GlobalPropertySolver.solveProperty(GlobalPropertySolver.java:294)
at fr.lip6.move.gal.application.Application.startNoEx(Application.java:386)
at fr.lip6.move.gal.application.Application.start(Application.java:178)
at fr.lip6.move.gal.itscl.application.Application.start(Application.java:45)
at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:203)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:136)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:104)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:402)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:255)
at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:77)
at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.base/java.lang.reflect.Method.invoke(Method.java:568)
at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:659)
at org.eclipse.equinox.launcher.Main.basicRun(Main.java:596)
at org.eclipse.equinox.launcher.Main.run(Main.java:1467)
at org.eclipse.equinox.launcher.Main.main(Main.java:1440)
[2023-03-16 02:12:36] [WARNING] SMT solver failed with error :SMT solver raised an error when submitting script.... while checking expressions.
[2023-03-16 02:12:36] [INFO ] After 225075ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0
Fused 2066 Parikh solutions to 1 different solutions.
Parikh walk visited 0 properties in 0 ms.
Support contains 2067 out of 4006 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 4006/4006 places, 8006/8006 transitions.
Graph (complete) has 4008 edges and 4006 vertex of which 4002 are kept as prefixes of interest. Removing 4 places using SCC suffix rule.35 ms
Discarding 4 places :
Also discarding 0 output transitions
Drop transitions removed 9 transitions
Reduce isomorphic transitions removed 9 transitions.
Iterating post reduction 0 with 9 rules applied. Total rules applied 10 place count 4002 transition count 7997
Performed 1 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 1 with 1 Pre rules applied. Total rules applied 10 place count 4002 transition count 7996
Deduced a syphon composed of 1 places in 2 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 1 with 2 rules applied. Total rules applied 12 place count 4001 transition count 7996
Discarding 1929 places :
Symmetric choice reduction at 1 with 1929 rule applications. Total rules 1941 place count 2072 transition count 6067
Iterating global reduction 1 with 1929 rules applied. Total rules applied 3870 place count 2072 transition count 6067
Ensure Unique test removed 1929 transitions
Reduce isomorphic transitions removed 1929 transitions.
Iterating post reduction 1 with 1929 rules applied. Total rules applied 5799 place count 2072 transition count 4138
Free-agglomeration rule applied 2 times.
Iterating global reduction 2 with 2 rules applied. Total rules applied 5801 place count 2072 transition count 4136
Ensure Unique test removed 1 places
Reduce places removed 3 places and 0 transitions.
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 2 with 5 rules applied. Total rules applied 5806 place count 2069 transition count 4134
Applied a total of 5806 rules in 327 ms. Remains 2069 /4006 variables (removed 1937) and now considering 4134/8006 (removed 3872) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 340 ms. Remains : 2069/4006 places, 4134/8006 transitions.
Finished random walk after 67390 steps, including 16847 resets, run visited all 2066 properties in 22332 ms. (steps per millisecond=3 )
Able to resolve query QuasiLiveness after proving 16009 properties.
FORMULA QuasiLiveness TRUE TECHNIQUES RANDOM_WALK PROBABILISTIC_WALK TOPOLOGICAL INITIAL_STATE
Total runtime 817541 ms.
ITS solved all properties within timeout

BK_STOP 1678932779427

--------------------
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:
++ perl -pe 's/.*\.//g'
++ sed s/.jar//
++ 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 QuasiLiveness -timeout 180 -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="AirplaneLD-PT-4000"
export BK_EXAMINATION="QuasiLiveness"
export BK_TOOL="lolaxred"
export BK_RESULT_DIR="/tmp/BK_RESULTS/OUTPUTS"
export BK_TIME_CONFINEMENT="1800"
export BK_MEMORY_CONFINEMENT="16384"
export BK_BIN_PATH="/home/mcc/BenchKit/bin/"

# this is specific to your benchmark or test

export BIN_DIR="$HOME/BenchKit/bin"

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

# this is for BenchKit: explicit launching of the test
echo "====================================================================="
echo " Generated by BenchKit 2-5348"
echo " Executing tool lolaxred"
echo " Input is AirplaneLD-PT-4000, examination is QuasiLiveness"
echo " Time confinement is $BK_TIME_CONFINEMENT seconds"
echo " Memory confinement is 16384 MBytes"
echo " Number of cores is 4"
echo " Run identifier is r021-oct2-167813608800192"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/AirplaneLD-PT-4000.tgz
mv AirplaneLD-PT-4000 execution
cd execution
if [ "QuasiLiveness" = "ReachabilityDeadlock" ] || [ "QuasiLiveness" = "UpperBounds" ] || [ "QuasiLiveness" = "QuasiLiveness" ] || [ "QuasiLiveness" = "StableMarking" ] || [ "QuasiLiveness" = "Liveness" ] || [ "QuasiLiveness" = "OneSafe" ] || [ "QuasiLiveness" = "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 [ "QuasiLiveness" = "UpperBounds" ] ; then
echo "The expected result is a vector of positive values"
echo NUM_VECTOR
elif [ "QuasiLiveness" != "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 "QuasiLiveness.txt" ] ; then
echo "here is the order used to build the result vector(from text file)"
for x in $(grep Property QuasiLiveness.txt | cut -d ' ' -f 2 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ -f "QuasiLiveness.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 '' QuasiLiveness.xml | cut -d '>' -f 2 | cut -d '<' -f 1 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ "QuasiLiveness" = "ReachabilityDeadlock" ] || [ "QuasiLiveness" = "QuasiLiveness" ] || [ "QuasiLiveness" = "StableMarking" ] || [ "QuasiLiveness" = "Liveness" ] || [ "QuasiLiveness" = "OneSafe" ] ; then
echo "FORMULA_NAME QuasiLiveness"
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 ;