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-167863549700182.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-5A, examination is QuasiLiveness
Time confinement is 1800 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r279-smll-167863549700182
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 688K
-rw-r--r-- 1 mcc users 7.4K Feb 26 09:49 CTLCardinality.txt
-rw-r--r-- 1 mcc users 82K Feb 26 09:49 CTLCardinality.xml
-rw-r--r-- 1 mcc users 6.7K Feb 26 09:48 CTLFireability.txt
-rw-r--r-- 1 mcc users 66K Feb 26 09:48 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K Jan 29 11:40 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 3.6K Feb 25 16:28 LTLCardinality.txt
-rw-r--r-- 1 mcc users 25K Feb 25 16:28 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.1K Feb 25 16:28 LTLFireability.txt
-rw-r--r-- 1 mcc users 18K Feb 25 16:28 LTLFireability.xml
-rw-r--r-- 1 mcc users 8.1K Feb 26 09:51 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 82K Feb 26 09:51 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 8.8K Feb 26 09:50 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 77K Feb 26 09:50 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.5K Feb 25 16:28 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.6K Feb 25 16:28 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 248K 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 1678893667286

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-5A
Applying reductions before tool ltsmin
Invoking reducer
Running Version 202303021504
[2023-03-15 15:21:10] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, QuasiLiveness, -timeout, 180, -rebuildPNML]
[2023-03-15 15:21:10] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2023-03-15 15:21:11] [INFO ] Load time of PNML (sax parser for PT used): 245 ms
[2023-03-15 15:21:11] [INFO ] Transformed 417 places.
[2023-03-15 15:21:11] [INFO ] Transformed 933 transitions.
[2023-03-15 15:21:11] [INFO ] Found NUPN structural information;
[2023-03-15 15:21:11] [INFO ] Parsed PT model containing 417 places and 933 transitions and 3585 arcs in 421 ms.
Starting structural reductions in LIVENESS mode, iteration 0 : 417/417 places, 933/933 transitions.
Applied a total of 0 rules in 52 ms. Remains 417 /417 variables (removed 0) and now considering 933/933 (removed 0) transitions.
[2023-03-15 15:21:11] [INFO ] Flow matrix only has 851 transitions (discarded 82 similar events)
// Phase 1: matrix 851 rows 417 cols
[2023-03-15 15:21:11] [INFO ] Computed 66 place invariants in 37 ms
[2023-03-15 15:21:12] [INFO ] Implicit Places using invariants in 961 ms returned []
[2023-03-15 15:21:12] [INFO ] Flow matrix only has 851 transitions (discarded 82 similar events)
[2023-03-15 15:21:12] [INFO ] Invariant cache hit.
[2023-03-15 15:21:13] [INFO ] State equation strengthened by 32 read => feed constraints.
[2023-03-15 15:21:14] [INFO ] Implicit Places using invariants and state equation in 1688 ms returned [13, 49, 91, 130, 192, 272, 318, 358, 403]
Discarding 9 places :
Ensure Unique test removed 10 transitions
Reduce isomorphic transitions removed 10 transitions.
Implicit Place search using SMT with State Equation took 2720 ms to find 9 implicit places.
Starting structural reductions in LIVENESS mode, iteration 1 : 408/417 places, 923/933 transitions.
Applied a total of 0 rules in 20 ms. Remains 408 /408 variables (removed 0) and now considering 923/923 (removed 0) transitions.
Finished structural reductions in LIVENESS mode , in 2 iterations and 2793 ms. Remains : 408/417 places, 923/933 transitions.
Discarding 174 transitions out of 923. Remains 749
Initial state reduction rules removed 1 formulas.
Incomplete random walk after 10000 steps, including 2 resets, run finished after 1238 ms. (steps per millisecond=8 ) properties (out of 748) seen :668
Incomplete Best-First random walk after 1000 steps, including 2 resets, run finished after 8 ms. (steps per millisecond=125 ) properties (out of 80) seen :0
Incomplete Best-First random walk after 1000 steps, including 2 resets, run finished after 8 ms. (steps per millisecond=125 ) properties (out of 80) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 7 ms. (steps per millisecond=143 ) properties (out of 80) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 15 ms. (steps per millisecond=66 ) properties (out of 80) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 8 ms. (steps per millisecond=125 ) properties (out of 80) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 8 ms. (steps per millisecond=125 ) properties (out of 80) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 7 ms. (steps per millisecond=143 ) properties (out of 80) seen :1
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 6 ms. (steps per millisecond=166 ) properties (out of 79) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 6 ms. (steps per millisecond=166 ) properties (out of 79) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 8 ms. (steps per millisecond=125 ) properties (out of 79) seen :1
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 6 ms. (steps per millisecond=166 ) properties (out of 78) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 7 ms. (steps per millisecond=143 ) properties (out of 78) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 7 ms. (steps per millisecond=143 ) properties (out of 78) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 6 ms. (steps per millisecond=166 ) properties (out of 78) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 7 ms. (steps per millisecond=143 ) properties (out of 78) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 7 ms. (steps per millisecond=143 ) properties (out of 78) seen :1
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 6 ms. (steps per millisecond=166 ) properties (out of 77) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 9 ms. (steps per millisecond=111 ) properties (out of 77) seen :0
Incomplete Best-First random walk after 1000 steps, including 2 resets, run finished after 10 ms. (steps per millisecond=100 ) properties (out of 77) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 9 ms. (steps per millisecond=111 ) properties (out of 77) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 6 ms. (steps per millisecond=166 ) properties (out of 77) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 5 ms. (steps per millisecond=200 ) properties (out of 77) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 6 ms. (steps per millisecond=166 ) properties (out of 77) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 6 ms. (steps per millisecond=166 ) properties (out of 77) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 5 ms. (steps per millisecond=200 ) properties (out of 77) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 5 ms. (steps per millisecond=200 ) properties (out of 77) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 5 ms. (steps per millisecond=200 ) properties (out of 77) seen :0
Incomplete Best-First random walk after 1000 steps, including 2 resets, run finished after 6 ms. (steps per millisecond=166 ) properties (out of 77) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 6 ms. (steps per millisecond=166 ) properties (out of 77) seen :1
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 5 ms. (steps per millisecond=200 ) properties (out of 76) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 6 ms. (steps per millisecond=166 ) properties (out of 76) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 6 ms. (steps per millisecond=166 ) properties (out of 76) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 5 ms. (steps per millisecond=200 ) properties (out of 76) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 5 ms. (steps per millisecond=200 ) properties (out of 76) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 5 ms. (steps per millisecond=200 ) properties (out of 76) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 5 ms. (steps per millisecond=200 ) properties (out of 76) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 5 ms. (steps per millisecond=200 ) properties (out of 76) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 5 ms. (steps per millisecond=200 ) properties (out of 76) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 5 ms. (steps per millisecond=200 ) properties (out of 76) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 5 ms. (steps per millisecond=200 ) properties (out of 76) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 5 ms. (steps per millisecond=200 ) properties (out of 76) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 5 ms. (steps per millisecond=200 ) properties (out of 76) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 4 ms. (steps per millisecond=250 ) properties (out of 76) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 5 ms. (steps per millisecond=200 ) properties (out of 76) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 5 ms. (steps per millisecond=200 ) properties (out of 76) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 5 ms. (steps per millisecond=200 ) properties (out of 76) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 5 ms. (steps per millisecond=200 ) properties (out of 76) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 5 ms. (steps per millisecond=200 ) properties (out of 76) seen :1
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 5 ms. (steps per millisecond=200 ) properties (out of 75) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 9 ms. (steps per millisecond=111 ) properties (out of 75) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 4 ms. (steps per millisecond=250 ) properties (out of 75) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 4 ms. (steps per millisecond=250 ) properties (out of 75) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 4 ms. (steps per millisecond=250 ) properties (out of 75) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 5 ms. (steps per millisecond=200 ) properties (out of 75) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 5 ms. (steps per millisecond=200 ) properties (out of 75) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 5 ms. (steps per millisecond=200 ) properties (out of 75) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 5 ms. (steps per millisecond=200 ) properties (out of 75) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 5 ms. (steps per millisecond=200 ) properties (out of 75) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 5 ms. (steps per millisecond=200 ) properties (out of 75) seen :0
Incomplete Best-First random walk after 1000 steps, including 2 resets, run finished after 4 ms. (steps per millisecond=250 ) properties (out of 75) seen :1
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 4 ms. (steps per millisecond=250 ) properties (out of 74) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 4 ms. (steps per millisecond=250 ) properties (out of 74) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 5 ms. (steps per millisecond=200 ) properties (out of 74) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 4 ms. (steps per millisecond=250 ) properties (out of 74) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 5 ms. (steps per millisecond=200 ) properties (out of 74) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 5 ms. (steps per millisecond=200 ) properties (out of 74) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 5 ms. (steps per millisecond=200 ) properties (out of 74) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 4 ms. (steps per millisecond=250 ) properties (out of 74) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 5 ms. (steps per millisecond=200 ) properties (out of 74) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 4 ms. (steps per millisecond=250 ) properties (out of 74) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 4 ms. (steps per millisecond=250 ) properties (out of 74) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 4 ms. (steps per millisecond=250 ) properties (out of 74) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 4 ms. (steps per millisecond=250 ) properties (out of 74) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 4 ms. (steps per millisecond=250 ) properties (out of 74) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 5 ms. (steps per millisecond=200 ) properties (out of 74) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 5 ms. (steps per millisecond=200 ) properties (out of 74) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 4 ms. (steps per millisecond=250 ) properties (out of 74) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 5 ms. (steps per millisecond=200 ) properties (out of 74) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 4 ms. (steps per millisecond=250 ) properties (out of 74) seen :0
Running SMT prover for 74 properties.
[2023-03-15 15:21:15] [INFO ] Flow matrix only has 851 transitions (discarded 72 similar events)
// Phase 1: matrix 851 rows 408 cols
[2023-03-15 15:21:15] [INFO ] Computed 57 place invariants in 6 ms
[2023-03-15 15:21:16] [INFO ] [Real]Absence check using 57 positive place invariants in 18 ms returned sat
[2023-03-15 15:21:22] [INFO ] After 6998ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:74
[2023-03-15 15:21:24] [INFO ] [Nat]Absence check using 57 positive place invariants in 26 ms returned sat
[2023-03-15 15:21:47] [INFO ] After 23007ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :73
[2023-03-15 15:21:47] [INFO ] State equation strengthened by 18 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.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 15:21:47] [WARNING] SMT solver failed with error :SMT solver raised an error when submitting script.... while checking expressions.
[2023-03-15 15:21:47] [INFO ] After 25028ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :0 real:74
Fused 74 Parikh solutions to 29 different solutions.
Parikh walk visited 12 properties in 3982 ms.
Support contains 87 out of 408 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 408/408 places, 923/923 transitions.
Discarding 53 places :
Symmetric choice reduction at 0 with 53 rule applications. Total rules 53 place count 355 transition count 821
Iterating global reduction 0 with 53 rules applied. Total rules applied 106 place count 355 transition count 821
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 107 place count 354 transition count 817
Iterating global reduction 0 with 1 rules applied. Total rules applied 108 place count 354 transition count 817
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 0 with 2 rules applied. Total rules applied 110 place count 354 transition count 815
Drop transitions removed 16 transitions
Redundant transition composition rules discarded 16 transitions
Iterating global reduction 1 with 16 rules applied. Total rules applied 126 place count 354 transition count 799
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 127 place count 353 transition count 796
Iterating global reduction 1 with 1 rules applied. Total rules applied 128 place count 353 transition count 796
Partial Free-agglomeration rule applied 46 times.
Drop transitions removed 46 transitions
Iterating global reduction 1 with 46 rules applied. Total rules applied 174 place count 353 transition count 796
Applied a total of 174 rules in 167 ms. Remains 353 /408 variables (removed 55) and now considering 796/923 (removed 127) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 168 ms. Remains : 353/408 places, 796/923 transitions.
Interrupted random walk after 893703 steps, including 2 resets, run timeout after 30001 ms. (steps per millisecond=29 ) properties seen 47
Incomplete Best-First random walk after 100001 steps, including 2 resets, run finished after 258 ms. (steps per millisecond=387 ) properties (out of 15) seen :1
Incomplete Best-First random walk after 100001 steps, including 2 resets, run finished after 268 ms. (steps per millisecond=373 ) properties (out of 14) seen :3
Incomplete Best-First random walk after 100001 steps, including 2 resets, run finished after 249 ms. (steps per millisecond=401 ) properties (out of 11) seen :3
Incomplete Best-First random walk after 100001 steps, including 2 resets, run finished after 240 ms. (steps per millisecond=416 ) properties (out of 8) seen :0
Incomplete Best-First random walk after 100001 steps, including 2 resets, run finished after 232 ms. (steps per millisecond=431 ) properties (out of 8) seen :1
Incomplete Best-First random walk after 100001 steps, including 2 resets, run finished after 209 ms. (steps per millisecond=478 ) properties (out of 7) seen :1
Incomplete Best-First random walk after 100001 steps, including 2 resets, run finished after 207 ms. (steps per millisecond=483 ) properties (out of 6) seen :1
Running SMT prover for 5 properties.
[2023-03-15 15:22:23] [INFO ] Flow matrix only has 777 transitions (discarded 19 similar events)
// Phase 1: matrix 777 rows 353 cols
[2023-03-15 15:22:23] [INFO ] Computed 57 place invariants in 5 ms
[2023-03-15 15:22:23] [INFO ] [Real]Absence check using 57 positive place invariants in 22 ms returned sat
[2023-03-15 15:22:24] [INFO ] After 632ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:5
[2023-03-15 15:22:24] [INFO ] [Nat]Absence check using 57 positive place invariants in 20 ms returned sat
[2023-03-15 15:22:25] [INFO ] After 502ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :5
[2023-03-15 15:22:25] [INFO ] State equation strengthened by 36 read => feed constraints.
[2023-03-15 15:22:25] [INFO ] After 345ms SMT Verify possible using 36 Read/Feed constraints in natural domain returned unsat :0 sat :5
[2023-03-15 15:22:25] [INFO ] After 676ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :5
Attempting to minimize the solution found.
Minimization took 251 ms.
[2023-03-15 15:22:26] [INFO ] After 1601ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :5
Parikh walk visited 0 properties in 2685 ms.
Support contains 9 out of 353 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 353/353 places, 796/796 transitions.
Discarding 16 places :
Symmetric choice reduction at 0 with 16 rule applications. Total rules 16 place count 337 transition count 747
Iterating global reduction 0 with 16 rules applied. Total rules applied 32 place count 337 transition count 747
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 33 place count 336 transition count 743
Iterating global reduction 0 with 1 rules applied. Total rules applied 34 place count 336 transition count 743
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 0 with 2 rules applied. Total rules applied 36 place count 336 transition count 741
Partial Free-agglomeration rule applied 28 times.
Drop transitions removed 28 transitions
Iterating global reduction 1 with 28 rules applied. Total rules applied 64 place count 336 transition count 741
Discarding 6 places :
Symmetric choice reduction at 1 with 6 rule applications. Total rules 70 place count 330 transition count 723
Iterating global reduction 1 with 6 rules applied. Total rules applied 76 place count 330 transition count 723
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 77 place count 329 transition count 719
Iterating global reduction 1 with 1 rules applied. Total rules applied 78 place count 329 transition count 719
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 1 with 2 rules applied. Total rules applied 80 place count 329 transition count 717
Applied a total of 80 rules in 113 ms. Remains 329 /353 variables (removed 24) and now considering 717/796 (removed 79) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 114 ms. Remains : 329/353 places, 717/796 transitions.
Incomplete random walk after 1000000 steps, including 2 resets, run finished after 7306 ms. (steps per millisecond=136 ) properties (out of 5) seen :4
Incomplete Best-First random walk after 1000001 steps, including 2 resets, run finished after 1349 ms. (steps per millisecond=741 ) properties (out of 1) seen :0
Running SMT prover for 1 properties.
[2023-03-15 15:22:37] [INFO ] Flow matrix only has 715 transitions (discarded 2 similar events)
// Phase 1: matrix 715 rows 329 cols
[2023-03-15 15:22:37] [INFO ] Computed 57 place invariants in 4 ms
[2023-03-15 15:22:37] [INFO ] [Real]Absence check using 57 positive place invariants in 16 ms returned sat
[2023-03-15 15:22:37] [INFO ] After 372ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
[2023-03-15 15:22:37] [INFO ] [Nat]Absence check using 57 positive place invariants in 18 ms returned sat
[2023-03-15 15:22:38] [INFO ] After 270ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
[2023-03-15 15:22:38] [INFO ] State equation strengthened by 41 read => feed constraints.
[2023-03-15 15:22:38] [INFO ] After 42ms SMT Verify possible using 41 Read/Feed constraints in natural domain returned unsat :0 sat :1
[2023-03-15 15:22:38] [INFO ] After 85ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
Attempting to minimize the solution found.
Minimization took 25 ms.
[2023-03-15 15:22:38] [INFO ] After 480ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
Parikh walk visited 0 properties in 20 ms.
Support contains 2 out of 329 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 329/329 places, 717/717 transitions.
Discarding 2 places :
Symmetric choice reduction at 0 with 2 rule applications. Total rules 2 place count 327 transition count 711
Iterating global reduction 0 with 2 rules applied. Total rules applied 4 place count 327 transition count 711
Partial Free-agglomeration rule applied 2 times.
Drop transitions removed 2 transitions
Iterating global reduction 0 with 2 rules applied. Total rules applied 6 place count 327 transition count 711
Discarding 2 places :
Symmetric choice reduction at 0 with 2 rule applications. Total rules 8 place count 325 transition count 705
Iterating global reduction 0 with 2 rules applied. Total rules applied 10 place count 325 transition count 705
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 11 place count 324 transition count 701
Iterating global reduction 0 with 1 rules applied. Total rules applied 12 place count 324 transition count 701
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 0 with 2 rules applied. Total rules applied 14 place count 324 transition count 699
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 1 with 1 rules applied. Total rules applied 15 place count 323 transition count 698
Applied a total of 15 rules in 59 ms. Remains 323 /329 variables (removed 6) and now considering 698/717 (removed 19) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 59 ms. Remains : 323/329 places, 698/717 transitions.
Finished random walk after 17610 steps, including 0 resets, run visited all 1 properties in 90 ms. (steps per millisecond=195 )
Able to resolve query QuasiLiveness after proving 749 properties.
FORMULA QuasiLiveness TRUE TECHNIQUES RANDOM_WALK PARIKH_WALK BESTFIRST_WALK TOPOLOGICAL INITIAL_STATE
Total runtime 87780 ms.
ITS solved all properties within timeout

BK_STOP 1678893759450

--------------------
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-5A"
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-5A, 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-167863549700182"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/NoC3x3-PT-5A.tgz
mv NoC3x3-PT-5A 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 ;