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.r277-smll-167863548600187.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 lolaxred
Input is NoC3x3-PT-5B, examination is QuasiLiveness
Time confinement is 1800 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r277-smll-167863548600187
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 972K
-rw-r--r-- 1 mcc users 5.5K Feb 26 10:15 CTLCardinality.txt
-rw-r--r-- 1 mcc users 57K Feb 26 10:15 CTLCardinality.xml
-rw-r--r-- 1 mcc users 5.2K Feb 26 10:14 CTLFireability.txt
-rw-r--r-- 1 mcc users 46K Feb 26 10:14 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K Jan 29 11:40 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 3.4K Feb 25 16:29 LTLCardinality.txt
-rw-r--r-- 1 mcc users 24K Feb 25 16:29 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.2K Feb 25 16:29 LTLFireability.txt
-rw-r--r-- 1 mcc users 16K Feb 25 16:29 LTLFireability.xml
-rw-r--r-- 1 mcc users 15K Feb 26 10:15 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 161K Feb 26 10:15 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 6.8K Feb 26 10:15 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 54K Feb 26 10:15 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 525K 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 1678873094774

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=NoC3x3-PT-5B
Applying reductions before tool lola
Invoking reducer
Running Version 202303021504
[2023-03-15 09:38:17] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, QuasiLiveness, -timeout, 180, -rebuildPNML]
[2023-03-15 09:38:17] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2023-03-15 09:38:18] [INFO ] Load time of PNML (sax parser for PT used): 407 ms
[2023-03-15 09:38:18] [INFO ] Transformed 1571 places.
[2023-03-15 09:38:18] [INFO ] Transformed 2173 transitions.
[2023-03-15 09:38:18] [INFO ] Found NUPN structural information;
[2023-03-15 09:38:18] [INFO ] Parsed PT model containing 1571 places and 2173 transitions and 6109 arcs in 714 ms.
Starting structural reductions in LIVENESS mode, iteration 0 : 1571/1571 places, 2173/2173 transitions.
Drop transitions removed 336 transitions
Trivial Post-agglo rules discarded 336 transitions
Performed 336 trivial Post agglomeration. Transition count delta: 336
Iterating post reduction 0 with 336 rules applied. Total rules applied 336 place count 1571 transition count 1837
Reduce places removed 336 places and 0 transitions.
Iterating post reduction 1 with 336 rules applied. Total rules applied 672 place count 1235 transition count 1837
Performed 517 Post agglomeration using F-continuation condition.Transition count delta: 517
Deduced a syphon composed of 517 places in 4 ms
Reduce places removed 517 places and 0 transitions.
Iterating global reduction 2 with 1034 rules applied. Total rules applied 1706 place count 718 transition count 1320
Performed 101 Post agglomeration using F-continuation condition.Transition count delta: -42
Deduced a syphon composed of 101 places in 3 ms
Reduce places removed 101 places and 0 transitions.
Iterating global reduction 2 with 202 rules applied. Total rules applied 1908 place count 617 transition count 1362
Performed 65 Post agglomeration using F-continuation condition.Transition count delta: -14
Deduced a syphon composed of 65 places in 4 ms
Reduce places removed 65 places and 0 transitions.
Iterating global reduction 2 with 130 rules applied. Total rules applied 2038 place count 552 transition count 1376
Applied a total of 2038 rules in 543 ms. Remains 552 /1571 variables (removed 1019) and now considering 1376/2173 (removed 797) transitions.
[2023-03-15 09:38:19] [INFO ] Flow matrix only has 1238 transitions (discarded 138 similar events)
// Phase 1: matrix 1238 rows 552 cols
[2023-03-15 09:38:19] [INFO ] Computed 66 place invariants in 47 ms
[2023-03-15 09:38:20] [INFO ] Implicit Places using invariants in 1199 ms returned []
[2023-03-15 09:38:20] [INFO ] Flow matrix only has 1238 transitions (discarded 138 similar events)
[2023-03-15 09:38:20] [INFO ] Invariant cache hit.
[2023-03-15 09:38:20] [INFO ] State equation strengthened by 54 read => feed constraints.
[2023-03-15 09:38:22] [INFO ] Implicit Places using invariants and state equation in 1949 ms returned [13, 54, 112, 159, 235, 354, 420, 467, 532]
Discarding 9 places :
Ensure Unique test removed 10 transitions
Reduce isomorphic transitions removed 10 transitions.
Implicit Place search using SMT with State Equation took 3226 ms to find 9 implicit places.
Starting structural reductions in LIVENESS mode, iteration 1 : 543/1571 places, 1366/2173 transitions.
Performed 24 Post agglomeration using F-continuation condition.Transition count delta: -133
Deduced a syphon composed of 24 places in 3 ms
Reduce places removed 24 places and 0 transitions.
Iterating global reduction 0 with 48 rules applied. Total rules applied 48 place count 519 transition count 1499
Applied a total of 48 rules in 45 ms. Remains 519 /543 variables (removed 24) and now considering 1499/1366 (removed -133) transitions.
[2023-03-15 09:38:22] [INFO ] Flow matrix only has 1371 transitions (discarded 128 similar events)
// Phase 1: matrix 1371 rows 519 cols
[2023-03-15 09:38:22] [INFO ] Computed 57 place invariants in 19 ms
[2023-03-15 09:38:23] [INFO ] Implicit Places using invariants in 1021 ms returned []
[2023-03-15 09:38:23] [INFO ] Flow matrix only has 1371 transitions (discarded 128 similar events)
[2023-03-15 09:38:23] [INFO ] Invariant cache hit.
[2023-03-15 09:38:24] [INFO ] State equation strengthened by 120 read => feed constraints.
[2023-03-15 09:38:25] [INFO ] Implicit Places using invariants and state equation in 2587 ms returned []
Implicit Place search using SMT with State Equation took 3634 ms to find 0 implicit places.
Starting structural reductions in LIVENESS mode, iteration 2 : 519/1571 places, 1499/2173 transitions.
Finished structural reductions in LIVENESS mode , in 2 iterations and 7450 ms. Remains : 519/1571 places, 1499/2173 transitions.
Discarding 687 transitions out of 1499. Remains 812
Initial state reduction rules removed 1 formulas.
Incomplete random walk after 10000 steps, including 52 resets, run finished after 1468 ms. (steps per millisecond=6 ) properties (out of 811) seen :629
Incomplete Best-First random walk after 101 steps, including 2 resets, run finished after 2 ms. (steps per millisecond=50 ) properties (out of 182) 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 182) 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 182) 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 182) 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 182) 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 182) 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 182) 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 182) 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 182) 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 182) 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 182) 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 182) 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 182) 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 182) 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 182) 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 182) 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 182) 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 182) 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 182) 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 182) 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 182) 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 182) 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 182) 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 182) 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 182) 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 182) 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 182) 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 182) 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 182) 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 182) 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 182) 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 182) 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 182) 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 182) 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 182) 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 182) 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 182) 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 182) 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 182) 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 182) 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 182) 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 182) 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 182) 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 182) 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 182) 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 182) 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 182) 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 182) 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 182) 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 182) seen :0
Running SMT prover for 182 properties.
[2023-03-15 09:38:27] [INFO ] Flow matrix only has 1371 transitions (discarded 128 similar events)
[2023-03-15 09:38:27] [INFO ] Invariant cache hit.
[2023-03-15 09:38:30] [INFO ] [Real]Absence check using 57 positive place invariants in 28 ms returned sat
[2023-03-15 09:38:50] [INFO ] After 22297ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:182
[2023-03-15 09:38:52] [INFO ] [Nat]Absence check using 57 positive place invariants in 30 ms returned sat
[2023-03-15 09:39:15] [INFO ] After 19574ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :176
[2023-03-15 09:39:15] [INFO ] State equation strengthened by 120 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 09:39:15] [WARNING] SMT solver failed with error :SMT solver raised an error when submitting script.... while checking expressions.
[2023-03-15 09:39:15] [INFO ] After 25029ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :0 real:182
Fused 182 Parikh solutions to 25 different solutions.
Parikh walk visited 1 properties in 1162 ms.
Support contains 206 out of 519 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 519/519 places, 1499/1499 transitions.
Discarding 53 places :
Symmetric choice reduction at 0 with 53 rule applications. Total rules 53 place count 466 transition count 1335
Iterating global reduction 0 with 53 rules applied. Total rules applied 106 place count 466 transition count 1335
Ensure Unique test removed 14 transitions
Reduce isomorphic transitions removed 14 transitions.
Iterating post reduction 0 with 14 rules applied. Total rules applied 120 place count 466 transition count 1321
Discarding 7 places :
Symmetric choice reduction at 1 with 7 rule applications. Total rules 127 place count 459 transition count 1293
Iterating global reduction 1 with 7 rules applied. Total rules applied 134 place count 459 transition count 1293
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 135 place count 458 transition count 1288
Iterating global reduction 1 with 1 rules applied. Total rules applied 136 place count 458 transition count 1288
Ensure Unique test removed 3 transitions
Reduce isomorphic transitions removed 3 transitions.
Iterating post reduction 1 with 3 rules applied. Total rules applied 139 place count 458 transition count 1285
Drop transitions removed 111 transitions
Redundant transition composition rules discarded 111 transitions
Iterating global reduction 2 with 111 rules applied. Total rules applied 250 place count 458 transition count 1174
Partial Free-agglomeration rule applied 1 times.
Drop transitions removed 1 transitions
Iterating global reduction 2 with 1 rules applied. Total rules applied 251 place count 458 transition count 1174
Applied a total of 251 rules in 205 ms. Remains 458 /519 variables (removed 61) and now considering 1174/1499 (removed 325) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 205 ms. Remains : 458/519 places, 1174/1499 transitions.
Incomplete random walk after 1000000 steps, including 4861 resets, run finished after 22567 ms. (steps per millisecond=44 ) properties (out of 181) seen :179
Incomplete Best-First random walk after 1000001 steps, including 253 resets, run finished after 1868 ms. (steps per millisecond=535 ) properties (out of 2) seen :0
Incomplete Best-First random walk after 1000001 steps, including 254 resets, run finished after 1810 ms. (steps per millisecond=552 ) properties (out of 2) seen :0
Running SMT prover for 2 properties.
[2023-03-15 09:39:42] [INFO ] Flow matrix only has 1093 transitions (discarded 81 similar events)
// Phase 1: matrix 1093 rows 458 cols
[2023-03-15 09:39:42] [INFO ] Computed 57 place invariants in 10 ms
[2023-03-15 09:39:42] [INFO ] [Real]Absence check using 57 positive place invariants in 18 ms returned sat
[2023-03-15 09:39:43] [INFO ] After 560ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:2
[2023-03-15 09:39:43] [INFO ] [Nat]Absence check using 57 positive place invariants in 18 ms returned sat
[2023-03-15 09:39:43] [INFO ] After 486ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :2
[2023-03-15 09:39:43] [INFO ] State equation strengthened by 35 read => feed constraints.
[2023-03-15 09:39:44] [INFO ] After 116ms SMT Verify possible using 35 Read/Feed constraints in natural domain returned unsat :0 sat :2
[2023-03-15 09:39:44] [INFO ] After 310ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :2
Attempting to minimize the solution found.
Minimization took 130 ms.
[2023-03-15 09:39:44] [INFO ] After 1059ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :2
Parikh walk visited 0 properties in 811 ms.
Support contains 3 out of 458 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 458/458 places, 1174/1174 transitions.
Discarding 64 places :
Symmetric choice reduction at 0 with 64 rule applications. Total rules 64 place count 394 transition count 958
Iterating global reduction 0 with 64 rules applied. Total rules applied 128 place count 394 transition count 958
Discarding 8 places :
Symmetric choice reduction at 0 with 8 rule applications. Total rules 136 place count 386 transition count 926
Iterating global reduction 0 with 8 rules applied. Total rules applied 144 place count 386 transition count 926
Discarding 3 places :
Symmetric choice reduction at 0 with 3 rule applications. Total rules 147 place count 383 transition count 911
Iterating global reduction 0 with 3 rules applied. Total rules applied 150 place count 383 transition count 911
Ensure Unique test removed 4 transitions
Reduce isomorphic transitions removed 4 transitions.
Iterating post reduction 0 with 4 rules applied. Total rules applied 154 place count 383 transition count 907
Partial Free-agglomeration rule applied 4 times.
Drop transitions removed 4 transitions
Iterating global reduction 1 with 4 rules applied. Total rules applied 158 place count 383 transition count 907
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 1 with 1 rules applied. Total rules applied 159 place count 382 transition count 906
Applied a total of 159 rules in 152 ms. Remains 382 /458 variables (removed 76) and now considering 906/1174 (removed 268) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 152 ms. Remains : 382/458 places, 906/1174 transitions.
Incomplete random walk after 1000000 steps, including 4967 resets, run finished after 14126 ms. (steps per millisecond=70 ) properties (out of 2) seen :0
Incomplete Best-First random walk after 1000001 steps, including 260 resets, run finished after 1812 ms. (steps per millisecond=551 ) properties (out of 2) seen :0
Incomplete Best-First random walk after 1000001 steps, including 257 resets, run finished after 1522 ms. (steps per millisecond=657 ) properties (out of 2) seen :1
Running SMT prover for 1 properties.
[2023-03-15 09:40:02] [INFO ] Flow matrix only has 900 transitions (discarded 6 similar events)
// Phase 1: matrix 900 rows 382 cols
[2023-03-15 09:40:02] [INFO ] Computed 57 place invariants in 10 ms
[2023-03-15 09:40:02] [INFO ] [Real]Absence check using 57 positive place invariants in 17 ms returned sat
[2023-03-15 09:40:03] [INFO ] After 608ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
[2023-03-15 09:40:03] [INFO ] [Nat]Absence check using 57 positive place invariants in 14 ms returned sat
[2023-03-15 09:40:03] [INFO ] After 444ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
[2023-03-15 09:40:03] [INFO ] State equation strengthened by 37 read => feed constraints.
[2023-03-15 09:40:04] [INFO ] After 60ms SMT Verify possible using 37 Read/Feed constraints in natural domain returned unsat :0 sat :1
[2023-03-15 09:40:04] [INFO ] After 138ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
Attempting to minimize the solution found.
Minimization took 78 ms.
[2023-03-15 09:40:04] [INFO ] After 761ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
Parikh walk visited 0 properties in 49 ms.
Support contains 2 out of 382 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 382/382 places, 906/906 transitions.
Applied a total of 0 rules in 31 ms. Remains 382 /382 variables (removed 0) and now considering 906/906 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 32 ms. Remains : 382/382 places, 906/906 transitions.
Incomplete random walk after 1000000 steps, including 4935 resets, run finished after 5382 ms. (steps per millisecond=185 ) properties (out of 1) seen :0
Incomplete Best-First random walk after 1000001 steps, including 265 resets, run finished after 1625 ms. (steps per millisecond=615 ) properties (out of 1) seen :0
Interrupted probabilistic random walk after 1528237 steps, run timeout after 21001 ms. (steps per millisecond=72 ) properties seen :{}
Probabilistic random walk after 1528237 steps, saw 669988 distinct states, run finished after 21004 ms. (steps per millisecond=72 ) properties seen :0
Running SMT prover for 1 properties.
[2023-03-15 09:40:32] [INFO ] Flow matrix only has 900 transitions (discarded 6 similar events)
[2023-03-15 09:40:32] [INFO ] Invariant cache hit.
[2023-03-15 09:40:32] [INFO ] [Real]Absence check using 57 positive place invariants in 17 ms returned sat
[2023-03-15 09:40:32] [INFO ] After 433ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
[2023-03-15 09:40:32] [INFO ] [Nat]Absence check using 57 positive place invariants in 26 ms returned sat
[2023-03-15 09:40:33] [INFO ] After 497ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
[2023-03-15 09:40:33] [INFO ] State equation strengthened by 37 read => feed constraints.
[2023-03-15 09:40:33] [INFO ] After 61ms SMT Verify possible using 37 Read/Feed constraints in natural domain returned unsat :0 sat :1
[2023-03-15 09:40:33] [INFO ] After 156ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
Attempting to minimize the solution found.
Minimization took 51 ms.
[2023-03-15 09:40:33] [INFO ] After 855ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
Parikh walk visited 0 properties in 41 ms.
Support contains 2 out of 382 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 382/382 places, 906/906 transitions.
Applied a total of 0 rules in 27 ms. Remains 382 /382 variables (removed 0) and now considering 906/906 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 28 ms. Remains : 382/382 places, 906/906 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 382/382 places, 906/906 transitions.
Applied a total of 0 rules in 29 ms. Remains 382 /382 variables (removed 0) and now considering 906/906 (removed 0) transitions.
[2023-03-15 09:40:33] [INFO ] Flow matrix only has 900 transitions (discarded 6 similar events)
[2023-03-15 09:40:33] [INFO ] Invariant cache hit.
[2023-03-15 09:40:34] [INFO ] Implicit Places using invariants in 642 ms returned []
[2023-03-15 09:40:34] [INFO ] Flow matrix only has 900 transitions (discarded 6 similar events)
[2023-03-15 09:40:34] [INFO ] Invariant cache hit.
[2023-03-15 09:40:34] [INFO ] State equation strengthened by 37 read => feed constraints.
[2023-03-15 09:40:35] [INFO ] Implicit Places using invariants and state equation in 1135 ms returned []
Implicit Place search using SMT with State Equation took 1787 ms to find 0 implicit places.
[2023-03-15 09:40:35] [INFO ] Redundant transitions in 107 ms returned []
[2023-03-15 09:40:35] [INFO ] Flow matrix only has 900 transitions (discarded 6 similar events)
[2023-03-15 09:40:35] [INFO ] Invariant cache hit.
[2023-03-15 09:40:36] [INFO ] Dead Transitions using invariants and state equation in 877 ms found 0 transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 2810 ms. Remains : 382/382 places, 906/906 transitions.
Finished random walk after 38740 steps, including 187 resets, run visited all 2 properties in 493 ms. (steps per millisecond=78 )
Finished random walk after 451851 steps, including 2238 resets, run visited all 1 properties in 2319 ms. (steps per millisecond=194 )
Able to resolve query QuasiLiveness after proving 812 properties.
FORMULA QuasiLiveness TRUE TECHNIQUES RANDOM_WALK PARIKH_WALK BESTFIRST_WALK TOPOLOGICAL INITIAL_STATE
Total runtime 141663 ms.
ITS solved all properties within timeout

BK_STOP 1678873240344

--------------------
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-5B"
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 NoC3x3-PT-5B, 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 r277-smll-167863548600187"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

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