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.r279-smll-167863549800217.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 NoC3x3-PT-8B, examination is QuasiLiveness
Time confinement is 1800 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r279-smll-167863549800217
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 3.4M
-rw-r--r-- 1 mcc users 7.4K Feb 26 09:59 CTLCardinality.txt
-rw-r--r-- 1 mcc users 78K Feb 26 09:59 CTLCardinality.xml
-rw-r--r-- 1 mcc users 6.2K Feb 26 09:59 CTLFireability.txt
-rw-r--r-- 1 mcc users 59K Feb 26 09:59 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K Jan 29 11:40 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 3.8K Feb 25 16:29 LTLCardinality.txt
-rw-r--r-- 1 mcc users 27K Feb 25 16:29 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.1K Feb 25 16:29 LTLFireability.txt
-rw-r--r-- 1 mcc users 15K Feb 25 16:29 LTLFireability.xml
-rw-r--r-- 1 mcc users 8.6K Feb 26 10:00 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 84K Feb 26 10:00 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 6.6K Feb 26 10:00 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 52K Feb 26 10:00 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.6K Feb 25 16:29 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.6K Feb 25 16:29 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 Mar 5 18:23 equiv_col
-rw-r--r-- 1 mcc users 3 Mar 5 18:23 instance
-rw-r--r-- 1 mcc users 6 Mar 5 18:23 iscolored
-rw-r--r-- 1 mcc users 3.0M 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

FORMULA_NAME QuasiLiveness

=== Now, execution of the tool begins

BK_START 1678895014229

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=QuasiLiveness
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=1800
BK_INPUT=NoC3x3-PT-8B
Applying reductions before tool ltsmin
Invoking reducer
Running Version 202303021504
[2023-03-15 15:43:37] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, QuasiLiveness, -timeout, 180, -rebuildPNML]
[2023-03-15 15:43:37] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2023-03-15 15:43:37] [INFO ] Load time of PNML (sax parser for PT used): 632 ms
[2023-03-15 15:43:37] [INFO ] Transformed 9140 places.
[2023-03-15 15:43:37] [INFO ] Transformed 14577 transitions.
[2023-03-15 15:43:37] [INFO ] Found NUPN structural information;
[2023-03-15 15:43:37] [INFO ] Parsed PT model containing 9140 places and 14577 transitions and 30726 arcs in 907 ms.
Starting structural reductions in LIVENESS mode, iteration 0 : 9140/9140 places, 14577/14577 transitions.
Graph (trivial) has 13742 edges and 9140 vertex of which 2397 / 9140 are part of one of the 33 SCC in 62 ms
Free SCC test removed 2364 places
Ensure Unique test removed 3723 transitions
Reduce isomorphic transitions removed 3723 transitions.
Reduce places removed 33 places and 0 transitions.
Drop transitions removed 4098 transitions
Trivial Post-agglo rules discarded 4098 transitions
Performed 4098 trivial Post agglomeration. Transition count delta: 4098
Iterating post reduction 0 with 4131 rules applied. Total rules applied 4132 place count 6743 transition count 6756
Reduce places removed 4098 places and 0 transitions.
Ensure Unique test removed 2376 transitions
Reduce isomorphic transitions removed 2376 transitions.
Drop transitions removed 1200 transitions
Trivial Post-agglo rules discarded 1200 transitions
Performed 1200 trivial Post agglomeration. Transition count delta: 1200
Iterating post reduction 1 with 7674 rules applied. Total rules applied 11806 place count 2645 transition count 3180
Reduce places removed 1200 places and 0 transitions.
Ensure Unique test removed 1200 transitions
Reduce isomorphic transitions removed 1200 transitions.
Drop transitions removed 48 transitions
Trivial Post-agglo rules discarded 48 transitions
Performed 48 trivial Post agglomeration. Transition count delta: 48
Iterating post reduction 2 with 2448 rules applied. Total rules applied 14254 place count 1445 transition count 1932
Reduce places removed 48 places and 0 transitions.
Iterating post reduction 3 with 48 rules applied. Total rules applied 14302 place count 1397 transition count 1932
Performed 33 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 4 with 33 Pre rules applied. Total rules applied 14302 place count 1397 transition count 1899
Deduced a syphon composed of 33 places in 34 ms
Reduce places removed 33 places and 0 transitions.
Iterating global reduction 4 with 66 rules applied. Total rules applied 14368 place count 1364 transition count 1899
Performed 783 Post agglomeration using F-continuation condition with reduction of 104 identical transitions.
Deduced a syphon composed of 783 places in 1 ms
Reduce places removed 783 places and 0 transitions.
Iterating global reduction 4 with 1566 rules applied. Total rules applied 15934 place count 581 transition count 1012
Ensure Unique test removed 24 transitions
Reduce isomorphic transitions removed 24 transitions.
Iterating post reduction 4 with 24 rules applied. Total rules applied 15958 place count 581 transition count 988
Renaming transitions due to excessive name length > 1024 char.
Applied a total of 15958 rules in 680 ms. Remains 581 /9140 variables (removed 8559) and now considering 988/14577 (removed 13589) transitions.
[2023-03-15 15:43:38] [INFO ] Flow matrix only has 888 transitions (discarded 100 similar events)
// Phase 1: matrix 888 rows 581 cols
[2023-03-15 15:43:38] [INFO ] Computed 66 place invariants in 33 ms
[2023-03-15 15:43:39] [INFO ] Implicit Places using invariants in 1121 ms returned [13, 72, 134, 193, 277, 360, 422, 483, 545]
Discarding 9 places :
Implicit Place search using SMT only with invariants took 1164 ms to find 9 implicit places.
Starting structural reductions in LIVENESS mode, iteration 1 : 572/9140 places, 988/14577 transitions.
Drop transitions removed 24 transitions
Trivial Post-agglo rules discarded 24 transitions
Performed 24 trivial Post agglomeration. Transition count delta: 24
Iterating post reduction 0 with 24 rules applied. Total rules applied 24 place count 572 transition count 964
Reduce places removed 24 places and 0 transitions.
Ensure Unique test removed 24 transitions
Reduce isomorphic transitions removed 24 transitions.
Iterating post reduction 1 with 48 rules applied. Total rules applied 72 place count 548 transition count 940
Applied a total of 72 rules in 19 ms. Remains 548 /572 variables (removed 24) and now considering 940/988 (removed 48) transitions.
[2023-03-15 15:43:39] [INFO ] Flow matrix only has 840 transitions (discarded 100 similar events)
// Phase 1: matrix 840 rows 548 cols
[2023-03-15 15:43:39] [INFO ] Computed 57 place invariants in 5 ms
[2023-03-15 15:43:40] [INFO ] Implicit Places using invariants in 728 ms returned []
[2023-03-15 15:43:40] [INFO ] Flow matrix only has 840 transitions (discarded 100 similar events)
[2023-03-15 15:43:40] [INFO ] Invariant cache hit.
[2023-03-15 15:43:41] [INFO ] State equation strengthened by 29 read => feed constraints.
[2023-03-15 15:43:42] [INFO ] Implicit Places using invariants and state equation in 1429 ms returned []
Implicit Place search using SMT with State Equation took 2161 ms to find 0 implicit places.
Starting structural reductions in LIVENESS mode, iteration 2 : 548/9140 places, 940/14577 transitions.
Finished structural reductions in LIVENESS mode , in 2 iterations and 4026 ms. Remains : 548/9140 places, 940/14577 transitions.
Discarding 297 transitions out of 940. Remains 643
Initial state reduction rules removed 1 formulas.
Incomplete random walk after 10000 steps, including 82 resets, run finished after 1057 ms. (steps per millisecond=9 ) properties (out of 642) seen :471
Incomplete Best-First random walk after 101 steps, including 2 resets, run finished after 2 ms. (steps per millisecond=50 ) properties (out of 171) seen :0
Incomplete Best-First random walk after 101 steps, including 2 resets, run finished after 2 ms. (steps per millisecond=50 ) properties (out of 171) seen :0
Incomplete Best-First random walk after 101 steps, including 2 resets, run finished after 4 ms. (steps per millisecond=25 ) properties (out of 171) seen :0
Incomplete Best-First random walk after 101 steps, including 2 resets, run finished after 2 ms. (steps per millisecond=50 ) properties (out of 171) seen :0
Incomplete Best-First random walk after 101 steps, including 2 resets, run finished after 2 ms. (steps per millisecond=50 ) properties (out of 171) seen :0
Incomplete Best-First random walk after 101 steps, including 2 resets, run finished after 2 ms. (steps per millisecond=50 ) properties (out of 171) seen :0
Incomplete Best-First random walk after 101 steps, including 2 resets, run finished after 2 ms. (steps per millisecond=50 ) properties (out of 171) seen :0
Incomplete Best-First random walk after 101 steps, including 2 resets, run finished after 2 ms. (steps per millisecond=50 ) properties (out of 171) seen :0
Incomplete Best-First random walk after 101 steps, including 2 resets, run finished after 2 ms. (steps per millisecond=50 ) properties (out of 171) seen :0
Incomplete Best-First random walk after 101 steps, including 2 resets, run finished after 2 ms. (steps per millisecond=50 ) properties (out of 171) seen :0
Incomplete Best-First random walk after 101 steps, including 2 resets, run finished after 2 ms. (steps per millisecond=50 ) properties (out of 171) seen :0
Incomplete Best-First random walk after 101 steps, including 2 resets, run finished after 2 ms. (steps per millisecond=50 ) properties (out of 171) seen :0
Incomplete Best-First random walk after 101 steps, including 2 resets, run finished after 2 ms. (steps per millisecond=50 ) properties (out of 171) seen :0
Incomplete Best-First random walk after 101 steps, including 2 resets, run finished after 2 ms. (steps per millisecond=50 ) properties (out of 171) seen :0
Incomplete Best-First random walk after 101 steps, including 2 resets, run finished after 2 ms. (steps per millisecond=50 ) properties (out of 171) seen :0
Incomplete Best-First random walk after 101 steps, including 2 resets, run finished after 2 ms. (steps per millisecond=50 ) properties (out of 171) seen :0
Incomplete Best-First random walk after 101 steps, including 2 resets, run finished after 2 ms. (steps per millisecond=50 ) properties (out of 171) seen :0
Incomplete Best-First random walk after 101 steps, including 2 resets, run finished after 2 ms. (steps per millisecond=50 ) properties (out of 171) seen :0
Incomplete Best-First random walk after 101 steps, including 2 resets, run finished after 2 ms. (steps per millisecond=50 ) properties (out of 171) seen :0
Incomplete Best-First random walk after 101 steps, including 2 resets, run finished after 3 ms. (steps per millisecond=33 ) properties (out of 171) seen :0
Incomplete Best-First random walk after 101 steps, including 2 resets, run finished after 2 ms. (steps per millisecond=50 ) properties (out of 171) seen :0
Incomplete Best-First random walk after 101 steps, including 2 resets, run finished after 2 ms. (steps per millisecond=50 ) properties (out of 171) seen :0
Incomplete Best-First random walk after 101 steps, including 2 resets, run finished after 2 ms. (steps per millisecond=50 ) properties (out of 171) seen :0
Incomplete Best-First random walk after 101 steps, including 2 resets, run finished after 2 ms. (steps per millisecond=50 ) properties (out of 171) seen :0
Incomplete Best-First random walk after 101 steps, including 2 resets, run finished after 2 ms. (steps per millisecond=50 ) properties (out of 171) seen :0
Incomplete Best-First random walk after 101 steps, including 2 resets, run finished after 2 ms. (steps per millisecond=50 ) properties (out of 171) seen :0
Incomplete Best-First random walk after 101 steps, including 2 resets, run finished after 2 ms. (steps per millisecond=50 ) properties (out of 171) seen :0
Incomplete Best-First random walk after 101 steps, including 2 resets, run finished after 2 ms. (steps per millisecond=50 ) properties (out of 171) seen :0
Incomplete Best-First random walk after 101 steps, including 2 resets, run finished after 2 ms. (steps per millisecond=50 ) properties (out of 171) seen :0
Incomplete Best-First random walk after 101 steps, including 2 resets, run finished after 2 ms. (steps per millisecond=50 ) properties (out of 171) seen :0
Incomplete Best-First random walk after 101 steps, including 2 resets, run finished after 2 ms. (steps per millisecond=50 ) properties (out of 171) seen :0
Incomplete Best-First random walk after 101 steps, including 2 resets, run finished after 1 ms. (steps per millisecond=101 ) properties (out of 171) seen :0
Incomplete Best-First random walk after 101 steps, including 2 resets, run finished after 2 ms. (steps per millisecond=50 ) properties (out of 171) seen :0
Incomplete Best-First random walk after 101 steps, including 2 resets, run finished after 2 ms. (steps per millisecond=50 ) properties (out of 171) seen :0
Incomplete Best-First random walk after 101 steps, including 2 resets, run finished after 2 ms. (steps per millisecond=50 ) properties (out of 171) seen :0
Incomplete Best-First random walk after 101 steps, including 2 resets, run finished after 2 ms. (steps per millisecond=50 ) properties (out of 171) seen :0
Incomplete Best-First random walk after 101 steps, including 2 resets, run finished after 2 ms. (steps per millisecond=50 ) properties (out of 171) seen :0
Incomplete Best-First random walk after 101 steps, including 2 resets, run finished after 2 ms. (steps per millisecond=50 ) properties (out of 171) seen :0
Incomplete Best-First random walk after 101 steps, including 2 resets, run finished after 1 ms. (steps per millisecond=101 ) properties (out of 171) seen :0
Incomplete Best-First random walk after 101 steps, including 2 resets, run finished after 2 ms. (steps per millisecond=50 ) properties (out of 171) seen :0
Incomplete Best-First random walk after 101 steps, including 2 resets, run finished after 2 ms. (steps per millisecond=50 ) properties (out of 171) seen :0
Incomplete Best-First random walk after 101 steps, including 2 resets, run finished after 2 ms. (steps per millisecond=50 ) properties (out of 171) seen :0
Incomplete Best-First random walk after 101 steps, including 2 resets, run finished after 2 ms. (steps per millisecond=50 ) properties (out of 171) seen :0
Incomplete Best-First random walk after 101 steps, including 2 resets, run finished after 2 ms. (steps per millisecond=50 ) properties (out of 171) seen :0
Incomplete Best-First random walk after 101 steps, including 2 resets, run finished after 2 ms. (steps per millisecond=50 ) properties (out of 171) seen :0
Incomplete Best-First random walk after 101 steps, including 2 resets, run finished after 2 ms. (steps per millisecond=50 ) properties (out of 171) seen :0
Incomplete Best-First random walk after 101 steps, including 2 resets, run finished after 2 ms. (steps per millisecond=50 ) properties (out of 171) seen :0
Incomplete Best-First random walk after 101 steps, including 2 resets, run finished after 2 ms. (steps per millisecond=50 ) properties (out of 171) seen :0
Incomplete Best-First random walk after 101 steps, including 2 resets, run finished after 1 ms. (steps per millisecond=101 ) properties (out of 171) seen :0
Incomplete Best-First random walk after 101 steps, including 2 resets, run finished after 1 ms. (steps per millisecond=101 ) properties (out of 171) seen :0
Running SMT prover for 171 properties.
[2023-03-15 15:43:43] [INFO ] Flow matrix only has 840 transitions (discarded 100 similar events)
[2023-03-15 15:43:43] [INFO ] Invariant cache hit.
[2023-03-15 15:43:45] [INFO ] [Real]Absence check using 57 positive place invariants in 20 ms returned sat
[2023-03-15 15:43:54] [INFO ] After 7128ms SMT Verify possible using state equation in real domain returned unsat :0 sat :5 real:166
[2023-03-15 15:43:54] [INFO ] State equation strengthened by 29 read => feed constraints.
[2023-03-15 15:43:54] [INFO ] After 272ms SMT Verify possible using 29 Read/Feed constraints in real domain returned unsat :0 sat :0 real:171
[2023-03-15 15:43:54] [INFO ] After 11545ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:171
[2023-03-15 15:43:56] [INFO ] [Nat]Absence check using 57 positive place invariants in 20 ms returned sat
[2023-03-15 15:44:04] [INFO ] After 5732ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :171
[2023-03-15 15:44:10] [INFO ] After 5979ms SMT Verify possible using 29 Read/Feed constraints in natural domain returned unsat :0 sat :171
[2023-03-15 15:44:20] [INFO ] Deduced a trap composed of 11 places in 434 ms of which 12 ms to minimize.
java.lang.RuntimeException: SMT solver raised an error when submitting script. Raised (error "Failed to assert expression: java.io.IOException: Stream close...
at fr.lip6.move.gal.structural.smt.SMTUtils.execAndCheckResult(SMTUtils.java:251)
at fr.lip6.move.gal.structural.smt.DeadlockTester.refineWithTraps(DeadlockTester.java:1255)
at fr.lip6.move.gal.structural.smt.DeadlockTester.refineResultsWithTraps(DeadlockTester.java:736)
at fr.lip6.move.gal.structural.smt.DeadlockTester.verifyPossible(DeadlockTester.java:656)
at fr.lip6.move.gal.structural.smt.DeadlockTester.testUnreachableWithSMTIncremental(DeadlockTester.java:350)
at fr.lip6.move.gal.structural.smt.DeadlockTester.testUnreachableWithSMT(DeadlockTester.java:223)
at fr.lip6.move.gal.application.solver.ReachabilitySolver.applyReductions(ReachabilitySolver.java:95)
at fr.lip6.move.gal.application.solver.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)
[2023-03-15 15:44:20] [WARNING] SMT solver failed with error :SMT solver raised an error when submitting script.... while checking expressions.
[2023-03-15 15:44:20] [INFO ] After 25461ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :0 real:171
Fused 171 Parikh solutions to 170 different solutions.
Parikh walk visited 0 properties in 84 ms.
Support contains 180 out of 548 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 548/548 places, 940/940 transitions.
Drop transitions removed 33 transitions
Reduce isomorphic transitions removed 33 transitions.
Iterating post reduction 0 with 33 rules applied. Total rules applied 33 place count 548 transition count 907
Discarding 99 places :
Symmetric choice reduction at 1 with 99 rule applications. Total rules 132 place count 449 transition count 784
Iterating global reduction 1 with 99 rules applied. Total rules applied 231 place count 449 transition count 784
Ensure Unique test removed 78 transitions
Reduce isomorphic transitions removed 78 transitions.
Iterating post reduction 1 with 78 rules applied. Total rules applied 309 place count 449 transition count 706
Performed 2 Post agglomeration using F-continuation condition.Transition count delta: -22
Deduced a syphon composed of 2 places in 0 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 2 with 4 rules applied. Total rules applied 313 place count 447 transition count 728
Free-agglomeration rule applied 115 times.
Iterating global reduction 2 with 115 rules applied. Total rules applied 428 place count 447 transition count 613
Reduce places removed 115 places and 0 transitions.
Graph (complete) has 1173 edges and 332 vertex of which 325 are kept as prefixes of interest. Removing 7 places using SCC suffix rule.4 ms
Discarding 7 places :
Also discarding 0 output transitions
Iterating post reduction 2 with 116 rules applied. Total rules applied 544 place count 325 transition count 613
Drop transitions removed 7 transitions
Reduce isomorphic transitions removed 7 transitions.
Iterating post reduction 3 with 7 rules applied. Total rules applied 551 place count 325 transition count 606
Drop transitions removed 48 transitions
Redundant transition composition rules discarded 48 transitions
Iterating global reduction 4 with 48 rules applied. Total rules applied 599 place count 325 transition count 558
Graph (complete) has 1119 edges and 325 vertex of which 303 are kept as prefixes of interest. Removing 22 places using SCC suffix rule.3 ms
Discarding 22 places :
Also discarding 0 output transitions
Iterating post reduction 4 with 1 rules applied. Total rules applied 600 place count 303 transition count 558
Drop transitions removed 22 transitions
Reduce isomorphic transitions removed 22 transitions.
Iterating post reduction 5 with 22 rules applied. Total rules applied 622 place count 303 transition count 536
Partial Free-agglomeration rule applied 5 times.
Drop transitions removed 5 transitions
Iterating global reduction 6 with 5 rules applied. Total rules applied 627 place count 303 transition count 536
Applied a total of 627 rules in 296 ms. Remains 303 /548 variables (removed 245) and now considering 536/940 (removed 404) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 297 ms. Remains : 303/548 places, 536/940 transitions.
Interrupted random walk after 661444 steps, including 1 resets, run timeout after 30001 ms. (steps per millisecond=22 ) properties seen 53
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 31 ms. (steps per millisecond=322 ) properties (out of 118) seen :4
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 30 ms. (steps per millisecond=333 ) properties (out of 114) seen :3
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 29 ms. (steps per millisecond=344 ) properties (out of 111) seen :5
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 31 ms. (steps per millisecond=322 ) properties (out of 106) seen :3
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 29 ms. (steps per millisecond=344 ) properties (out of 103) seen :3
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 30 ms. (steps per millisecond=333 ) properties (out of 100) seen :3
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 31 ms. (steps per millisecond=322 ) properties (out of 97) seen :2
Incomplete Best-First random walk after 10000 steps, including 2 resets, run finished after 33 ms. (steps per millisecond=303 ) properties (out of 95) seen :3
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 32 ms. (steps per millisecond=312 ) properties (out of 92) seen :1
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 32 ms. (steps per millisecond=312 ) properties (out of 91) seen :1
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 34 ms. (steps per millisecond=294 ) properties (out of 90) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 37 ms. (steps per millisecond=270 ) properties (out of 90) seen :1
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 37 ms. (steps per millisecond=270 ) properties (out of 89) seen :1
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 34 ms. (steps per millisecond=294 ) properties (out of 88) seen :4
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 35 ms. (steps per millisecond=285 ) properties (out of 84) seen :3
Incomplete Best-First random walk after 10000 steps, including 2 resets, run finished after 34 ms. (steps per millisecond=294 ) properties (out of 81) seen :3
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 35 ms. (steps per millisecond=285 ) properties (out of 78) seen :4
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 31 ms. (steps per millisecond=322 ) properties (out of 74) seen :2
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 32 ms. (steps per millisecond=312 ) properties (out of 72) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 34 ms. (steps per millisecond=294 ) properties (out of 72) seen :1
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 32 ms. (steps per millisecond=312 ) properties (out of 71) seen :2
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 33 ms. (steps per millisecond=303 ) properties (out of 69) seen :2
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 33 ms. (steps per millisecond=303 ) properties (out of 67) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 32 ms. (steps per millisecond=312 ) properties (out of 67) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 33 ms. (steps per millisecond=303 ) properties (out of 67) seen :1
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 36 ms. (steps per millisecond=277 ) properties (out of 66) seen :1
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 35 ms. (steps per millisecond=285 ) properties (out of 65) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 35 ms. (steps per millisecond=285 ) properties (out of 65) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 35 ms. (steps per millisecond=285 ) properties (out of 65) seen :1
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 33 ms. (steps per millisecond=303 ) properties (out of 64) seen :1
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 32 ms. (steps per millisecond=312 ) properties (out of 63) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 39 ms. (steps per millisecond=256 ) properties (out of 63) seen :1
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 38 ms. (steps per millisecond=263 ) properties (out of 62) seen :1
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 38 ms. (steps per millisecond=263 ) properties (out of 61) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 39 ms. (steps per millisecond=256 ) properties (out of 61) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 38 ms. (steps per millisecond=263 ) properties (out of 61) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 39 ms. (steps per millisecond=256 ) properties (out of 61) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 39 ms. (steps per millisecond=256 ) properties (out of 61) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 35 ms. (steps per millisecond=285 ) properties (out of 61) seen :2
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 37 ms. (steps per millisecond=270 ) properties (out of 59) seen :2
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 36 ms. (steps per millisecond=277 ) properties (out of 57) seen :1
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 42 ms. (steps per millisecond=238 ) properties (out of 56) seen :1
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 39 ms. (steps per millisecond=256 ) properties (out of 55) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 37 ms. (steps per millisecond=270 ) properties (out of 55) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 38 ms. (steps per millisecond=263 ) properties (out of 55) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 38 ms. (steps per millisecond=263 ) properties (out of 55) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 38 ms. (steps per millisecond=263 ) properties (out of 55) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 35 ms. (steps per millisecond=285 ) properties (out of 55) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 38 ms. (steps per millisecond=263 ) properties (out of 55) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 36 ms. (steps per millisecond=277 ) properties (out of 55) seen :1
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 38 ms. (steps per millisecond=263 ) properties (out of 54) seen :2
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 38 ms. (steps per millisecond=263 ) properties (out of 52) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 39 ms. (steps per millisecond=256 ) properties (out of 52) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 39 ms. (steps per millisecond=256 ) properties (out of 52) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 37 ms. (steps per millisecond=270 ) properties (out of 52) seen :1
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 37 ms. (steps per millisecond=270 ) properties (out of 51) seen :4
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 34 ms. (steps per millisecond=294 ) properties (out of 47) seen :1
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 33 ms. (steps per millisecond=303 ) properties (out of 46) seen :1
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 32 ms. (steps per millisecond=312 ) properties (out of 45) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 34 ms. (steps per millisecond=294 ) properties (out of 45) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 34 ms. (steps per millisecond=294 ) properties (out of 45) seen :0
Running SMT prover for 45 properties.
[2023-03-15 15:44:52] [INFO ] Flow matrix only has 468 transitions (discarded 68 similar events)
// Phase 1: matrix 468 rows 303 cols
[2023-03-15 15:44:52] [INFO ] Computed 57 place invariants in 3 ms
[2023-03-15 15:44:53] [INFO ] [Real]Absence check using 57 positive place invariants in 23 ms returned sat
[2023-03-15 15:44:54] [INFO ] After 1781ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:45
[2023-03-15 15:44:55] [INFO ] [Nat]Absence check using 57 positive place invariants in 18 ms returned sat
[2023-03-15 15:44:56] [INFO ] After 953ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :45
[2023-03-15 15:44:56] [INFO ] State equation strengthened by 129 read => feed constraints.
[2023-03-15 15:44:57] [INFO ] After 920ms SMT Verify possible using 129 Read/Feed constraints in natural domain returned unsat :0 sat :45
[2023-03-15 15:44:58] [INFO ] After 2354ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :45
Attempting to minimize the solution found.
Minimization took 911 ms.
[2023-03-15 15:44:59] [INFO ] After 4865ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :45
Parikh walk visited 0 properties in 11 ms.
Support contains 55 out of 303 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 303/303 places, 536/536 transitions.
Discarding 13 places :
Symmetric choice reduction at 0 with 13 rule applications. Total rules 13 place count 290 transition count 511
Iterating global reduction 0 with 13 rules applied. Total rules applied 26 place count 290 transition count 511
Free-agglomeration rule applied 47 times.
Iterating global reduction 0 with 47 rules applied. Total rules applied 73 place count 290 transition count 464
Reduce places removed 47 places and 0 transitions.
Drop transitions removed 5 transitions
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 6 transitions.
Graph (complete) has 867 edges and 243 vertex of which 242 are kept as prefixes of interest. Removing 1 places using SCC suffix rule.1 ms
Discarding 1 places :
Also discarding 0 output transitions
Iterating post reduction 0 with 54 rules applied. Total rules applied 127 place count 242 transition count 458
Drop transitions removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 1 with 1 rules applied. Total rules applied 128 place count 242 transition count 457
Drop transitions removed 49 transitions
Redundant transition composition rules discarded 49 transitions
Iterating global reduction 2 with 49 rules applied. Total rules applied 177 place count 242 transition count 408
Graph (complete) has 817 edges and 242 vertex of which 241 are kept as prefixes of interest. Removing 1 places using SCC suffix rule.0 ms
Discarding 1 places :
Also discarding 0 output transitions
Iterating post reduction 2 with 1 rules applied. Total rules applied 178 place count 241 transition count 408
Drop transitions removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 3 with 1 rules applied. Total rules applied 179 place count 241 transition count 407
Partial Free-agglomeration rule applied 8 times.
Drop transitions removed 8 transitions
Iterating global reduction 4 with 8 rules applied. Total rules applied 187 place count 241 transition count 407
Applied a total of 187 rules in 68 ms. Remains 241 /303 variables (removed 62) and now considering 407/536 (removed 129) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 68 ms. Remains : 241/303 places, 407/536 transitions.
Incomplete random walk after 1000000 steps, including 2 resets, run finished after 26494 ms. (steps per millisecond=37 ) properties (out of 45) seen :39
Incomplete Best-First random walk after 1000001 steps, including 2 resets, run finished after 2093 ms. (steps per millisecond=477 ) properties (out of 6) seen :2
Incomplete Best-First random walk after 1000001 steps, including 2 resets, run finished after 2482 ms. (steps per millisecond=402 ) properties (out of 4) seen :0
Incomplete Best-First random walk after 1000001 steps, including 2 resets, run finished after 2147 ms. (steps per millisecond=465 ) properties (out of 4) seen :0
Incomplete Best-First random walk after 1000001 steps, including 2 resets, run finished after 1982 ms. (steps per millisecond=504 ) properties (out of 4) seen :2
Running SMT prover for 2 properties.
[2023-03-15 15:45:34] [INFO ] Flow matrix only has 353 transitions (discarded 54 similar events)
// Phase 1: matrix 353 rows 241 cols
[2023-03-15 15:45:34] [INFO ] Computed 57 place invariants in 2 ms
[2023-03-15 15:45:34] [INFO ] [Real]Absence check using 57 positive place invariants in 17 ms returned sat
[2023-03-15 15:45:35] [INFO ] After 264ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:2
[2023-03-15 15:45:35] [INFO ] [Nat]Absence check using 57 positive place invariants in 18 ms returned sat
[2023-03-15 15:45:35] [INFO ] After 173ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :2
[2023-03-15 15:45:35] [INFO ] State equation strengthened by 172 read => feed constraints.
[2023-03-15 15:45:35] [INFO ] After 56ms SMT Verify possible using 172 Read/Feed constraints in natural domain returned unsat :0 sat :2
[2023-03-15 15:45:35] [INFO ] After 113ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :2
Attempting to minimize the solution found.
Minimization took 32 ms.
[2023-03-15 15:45:35] [INFO ] After 410ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :2
Parikh walk visited 0 properties in 0 ms.
Support contains 3 out of 241 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 241/241 places, 407/407 transitions.
Discarding 21 places :
Symmetric choice reduction at 0 with 21 rule applications. Total rules 21 place count 220 transition count 337
Iterating global reduction 0 with 21 rules applied. Total rules applied 42 place count 220 transition count 337
Free-agglomeration rule applied 25 times.
Iterating global reduction 0 with 25 rules applied. Total rules applied 67 place count 220 transition count 312
Reduce places removed 25 places and 0 transitions.
Drop transitions removed 11 transitions
Reduce isomorphic transitions removed 11 transitions.
Iterating post reduction 0 with 36 rules applied. Total rules applied 103 place count 195 transition count 301
Drop transitions removed 23 transitions
Redundant transition composition rules discarded 23 transitions
Iterating global reduction 1 with 23 rules applied. Total rules applied 126 place count 195 transition count 278
Partial Free-agglomeration rule applied 10 times.
Drop transitions removed 10 transitions
Iterating global reduction 1 with 10 rules applied. Total rules applied 136 place count 195 transition count 278
Applied a total of 136 rules in 40 ms. Remains 195 /241 variables (removed 46) and now considering 278/407 (removed 129) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 40 ms. Remains : 195/241 places, 278/407 transitions.
Finished random walk after 334847 steps, including 1 resets, run visited all 2 properties in 4588 ms. (steps per millisecond=72 )
Able to resolve query QuasiLiveness after proving 643 properties.
FORMULA QuasiLiveness TRUE TECHNIQUES RANDOM_WALK BESTFIRST_WALK TOPOLOGICAL INITIAL_STATE
Total runtime 123112 ms.
ITS solved all properties within timeout

BK_STOP 1678895141184

--------------------
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 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="NoC3x3-PT-8B"
export BK_EXAMINATION="QuasiLiveness"
export BK_TOOL="ltsminxred"
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 ltsminxred"
echo " Input is NoC3x3-PT-8B, 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 r279-smll-167863549800217"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/NoC3x3-PT-8B.tgz
mv NoC3x3-PT-8B 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 ;