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.r179-tall-167838867100372.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)
......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................
=====================================================================
Generated by BenchKit 2-5348
Executing tool itstools
Input is FlexibleBarrier-PT-22b, examination is QuasiLiveness
Time confinement is 1800 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r179-tall-167838867100372
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 2.2M
-rw-r--r-- 1 mcc users 8.0K Feb 25 12:33 CTLCardinality.txt
-rw-r--r-- 1 mcc users 88K Feb 25 12:33 CTLCardinality.xml
-rw-r--r-- 1 mcc users 5.8K Feb 25 12:33 CTLFireability.txt
-rw-r--r-- 1 mcc users 52K Feb 25 12:33 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K Jan 29 11:40 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 3.9K Feb 25 16:08 LTLCardinality.txt
-rw-r--r-- 1 mcc users 27K Feb 25 16:08 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.3K Feb 25 16:08 LTLFireability.txt
-rw-r--r-- 1 mcc users 17K Feb 25 16:08 LTLFireability.xml
-rw-r--r-- 1 mcc users 14K Feb 25 12:34 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 150K Feb 25 12:34 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 6.1K Feb 25 12:33 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 44K Feb 25 12:33 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.7K Feb 25 16:08 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.8K Feb 25 16:08 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 Mar 5 18:22 equiv_col
-rw-r--r-- 1 mcc users 4 Mar 5 18:22 instance
-rw-r--r-- 1 mcc users 6 Mar 5 18:22 iscolored
-rw-r--r-- 1 mcc users 1.8M Mar 5 18:22 model.pnml

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

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

The expected result is a vector of booleans
BOOL_VECTOR

FORMULA_NAME QuasiLiveness

=== Now, execution of the tool begins

BK_START 1679415275132

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=itstools
BK_EXAMINATION=QuasiLiveness
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=1800
BK_INPUT=FlexibleBarrier-PT-22b
Not applying reductions.
Model is PT
QuasiLiveness PT
Running Version 202303021504
[2023-03-21 16:14:36] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, QuasiLiveness, -its, -ltsmin, -greatspnpath, /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/, -order, META, -manyOrder, -smt, -timeout, 1800]
[2023-03-21 16:14:36] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2023-03-21 16:14:37] [INFO ] Load time of PNML (sax parser for PT used): 209 ms
[2023-03-21 16:14:37] [INFO ] Transformed 6478 places.
[2023-03-21 16:14:37] [INFO ] Transformed 7469 transitions.
[2023-03-21 16:14:37] [INFO ] Found NUPN structural information;
[2023-03-21 16:14:37] [INFO ] Parsed PT model containing 6478 places and 7469 transitions and 18797 arcs in 520 ms.
Starting structural reductions in LIVENESS mode, iteration 0 : 6478/6478 places, 7469/7469 transitions.
Graph (trivial) has 6410 edges and 6478 vertex of which 134 / 6478 are part of one of the 22 SCC in 29 ms
Free SCC test removed 112 places
Ensure Unique test removed 113 transitions
Reduce isomorphic transitions removed 113 transitions.
Drop transitions removed 1571 transitions
Trivial Post-agglo rules discarded 1571 transitions
Performed 1571 trivial Post agglomeration. Transition count delta: 1571
Iterating post reduction 0 with 1571 rules applied. Total rules applied 1572 place count 6366 transition count 5785
Reduce places removed 1571 places and 0 transitions.
Iterating post reduction 1 with 1571 rules applied. Total rules applied 3143 place count 4795 transition count 5785
Performed 462 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 462 Pre rules applied. Total rules applied 3143 place count 4795 transition count 5323
Deduced a syphon composed of 462 places in 22 ms
Reduce places removed 462 places and 0 transitions.
Iterating global reduction 2 with 924 rules applied. Total rules applied 4067 place count 4333 transition count 5323
Performed 2831 Post agglomeration using F-continuation condition.Transition count delta: 2831
Deduced a syphon composed of 2831 places in 1 ms
Reduce places removed 2831 places and 0 transitions.
Iterating global reduction 2 with 5662 rules applied. Total rules applied 9729 place count 1502 transition count 2492
Applied a total of 9729 rules in 821 ms. Remains 1502 /6478 variables (removed 4976) and now considering 2492/7469 (removed 4977) transitions.
[2023-03-21 16:14:38] [INFO ] Flow matrix only has 2427 transitions (discarded 65 similar events)
// Phase 1: matrix 2427 rows 1502 cols
[2023-03-21 16:14:38] [INFO ] Computed 24 place invariants in 133 ms
[2023-03-21 16:14:39] [INFO ] Implicit Places using invariants in 1264 ms returned []
[2023-03-21 16:14:39] [INFO ] Flow matrix only has 2427 transitions (discarded 65 similar events)
[2023-03-21 16:14:39] [INFO ] Invariant cache hit.
[2023-03-21 16:14:40] [INFO ] State equation strengthened by 133 read => feed constraints.
[2023-03-21 16:14:42] [INFO ] Implicit Places using invariants and state equation in 3505 ms returned []
Implicit Place search using SMT with State Equation took 4793 ms to find 0 implicit places.
[2023-03-21 16:14:42] [INFO ] Flow matrix only has 2427 transitions (discarded 65 similar events)
[2023-03-21 16:14:42] [INFO ] Invariant cache hit.
[2023-03-21 16:14:43] [INFO ] Dead Transitions using invariants and state equation in 1065 ms found 0 transitions.
Starting structural reductions in LIVENESS mode, iteration 1 : 1502/6478 places, 2492/7469 transitions.
Finished structural reductions in LIVENESS mode , in 1 iterations and 6687 ms. Remains : 1502/6478 places, 2492/7469 transitions.
Discarding 1455 transitions out of 2492. Remains 1037
Initial state reduction rules removed 1 formulas.
[2023-03-21 16:14:44] [INFO ] Flatten gal took : 380 ms
[2023-03-21 16:14:45] [INFO ] Flatten gal took : 151 ms
[2023-03-21 16:14:45] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality932463571981617642.gal : 68 ms
[2023-03-21 16:14:45] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality16341470110257374169.prop : 11 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202303021504/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality932463571981617642.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality16341470110257374169.prop' '--nowitness' '--gen-order' 'FOLLOW'

its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202303021504/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...328
Loading property file /tmp/ReachabilityCardinality16341470110257374169.prop.
Incomplete random walk after 10000 steps, including 359 resets, run finished after 1558 ms. (steps per millisecond=6 ) properties (out of 1036) seen :89
Reachability property qltransition_2292 is true.
Reachability property qltransition_2291 is true.
Reachability property qltransition_2290 is true.
Reachability property qltransition_2289 is true.
Reachability property qltransition_2288 is true.
Reachability property qltransition_2287 is true.
Reachability property qltransition_2286 is true.
Reachability property qltransition_2285 is true.
Reachability property qltransition_2284 is true.
Reachability property qltransition_2283 is true.
Reachability property qltransition_2282 is true.
Reachability property qltransition_2281 is true.
Reachability property qltransition_2280 is true.
Reachability property qltransition_2279 is true.
Reachability property qltransition_2278 is true.
Reachability property qltransition_2277 is true.
Reachability property qltransition_2276 is true.
Reachability property qltransition_2275 is true.
Reachability property qltransition_2274 is true.
Reachability property qltransition_2273 is true.
Reachability property qltransition_2272 is true.
Reachability property qltransition_2271 is true.
Probabilistic random walk after 30001 steps, saw 29943 distinct states, run finished after 2851 ms. (steps per millisecond=10 ) properties seen :0
Running SMT prover for 947 properties.
[2023-03-21 16:14:48] [INFO ] Flow matrix only has 2427 transitions (discarded 65 similar events)
[2023-03-21 16:14:48] [INFO ] Invariant cache hit.
SDD proceeding with computation,1014 properties remain. new max is 2
SDD size :1 after 813
SDD proceeding with computation,1014 properties remain. new max is 4
SDD size :813 after 900
SDD proceeding with computation,1014 properties remain. new max is 8
SDD size :900 after 27870
SDD proceeding with computation,1014 properties remain. new max is 16
SDD size :27870 after 2.56323e+07
SDD proceeding with computation,1014 properties remain. new max is 32
SDD size :2.56323e+07 after 1.12899e+09
[2023-03-21 16:15:12] [INFO ] [Real]Absence check using 24 positive place invariants in 23 ms returned sat
java.lang.RuntimeException: SMT solver raised an error when submitting script. Raised (error "Error writing to Z3 solver: java.io.IOException: Stream closed...
at fr.lip6.move.gal.structural.smt.SMTUtils.execAndCheckResult(SMTUtils.java:251)
at fr.lip6.move.gal.structural.smt.DeadlockTester.verifyPossible(DeadlockTester.java:629)
at fr.lip6.move.gal.structural.smt.DeadlockTester.testUnreachableWithSMTIncremental(DeadlockTester.java:339)
at fr.lip6.move.gal.structural.smt.DeadlockTester.testUnreachableWithSMT(DeadlockTester.java:223)
at fr.lip6.move.gal.application.solver.ReachabilitySolver.applyReductions(ReachabilitySolver.java:95)
at fr.lip6.move.gal.application.solver.global.GlobalPropertySolver.applyReachabilitySolver(GlobalPropertySolver.java:724)
at fr.lip6.move.gal.application.solver.global.GlobalPropertySolver.solveProperty(GlobalPropertySolver.java:558)
at fr.lip6.move.gal.application.solver.global.GlobalPropertySolver.preSolveLiveness(GlobalPropertySolver.java:412)
at fr.lip6.move.gal.application.solver.global.GlobalPropertySolver.preStableMarking(GlobalPropertySolver.java:321)
at fr.lip6.move.gal.application.solver.global.GlobalPropertySolver.solveProperty(GlobalPropertySolver.java:294)
at fr.lip6.move.gal.application.Application.startNoEx(Application.java:386)
at fr.lip6.move.gal.application.Application.start(Application.java:178)
at fr.lip6.move.gal.itscl.application.Application.start(Application.java:45)
at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:203)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:136)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:104)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:402)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:255)
at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:77)
at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.base/java.lang.reflect.Method.invoke(Method.java:568)
at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:659)
at org.eclipse.equinox.launcher.Main.basicRun(Main.java:596)
at org.eclipse.equinox.launcher.Main.run(Main.java:1467)
at org.eclipse.equinox.launcher.Main.main(Main.java:1440)
[2023-03-21 16:15:14] [WARNING] SMT solver failed with error :SMT solver raised an error when submitting script.... while checking expressions.
[2023-03-21 16:15:14] [INFO ] After 25040ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0
Fused 947 Parikh solutions to 1 different solutions.
Parikh walk visited 0 properties in 1 ms.
Support contains 1411 out of 1502 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 1502/1502 places, 2492/2492 transitions.
Drop transitions removed 66 transitions
Reduce isomorphic transitions removed 66 transitions.
Iterating post reduction 0 with 66 rules applied. Total rules applied 66 place count 1502 transition count 2426
Free-agglomeration rule applied 23 times.
Iterating global reduction 1 with 23 rules applied. Total rules applied 89 place count 1502 transition count 2403
Reduce places removed 23 places and 0 transitions.
Iterating post reduction 1 with 23 rules applied. Total rules applied 112 place count 1479 transition count 2403
Applied a total of 112 rules in 591 ms. Remains 1479 /1502 variables (removed 23) and now considering 2403/2492 (removed 89) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 594 ms. Remains : 1479/1502 places, 2403/2492 transitions.
SDD proceeding with computation,1014 properties remain. new max is 64
SDD size :1.12899e+09 after 1.77222e+12
Interrupted random walk after 247252 steps, including 9493 resets, run timeout after 30001 ms. (steps per millisecond=8 ) properties seen 22
Incomplete Best-First random walk after 1001 steps, including 0 resets, run finished after 2 ms. (steps per millisecond=500 ) properties (out of 925) seen :0
Incomplete Best-First random walk after 1001 steps, including 0 resets, run finished after 2 ms. (steps per millisecond=500 ) properties (out of 925) seen :0
Incomplete Best-First random walk after 1001 steps, including 0 resets, run finished after 2 ms. (steps per millisecond=500 ) properties (out of 925) seen :0
Incomplete Best-First random walk after 1001 steps, including 0 resets, run finished after 2 ms. (steps per millisecond=500 ) properties (out of 925) seen :0
Incomplete Best-First random walk after 1001 steps, including 0 resets, run finished after 2 ms. (steps per millisecond=500 ) properties (out of 925) seen :0
Incomplete Best-First random walk after 1001 steps, including 0 resets, run finished after 2 ms. (steps per millisecond=500 ) properties (out of 925) seen :0
Incomplete Best-First random walk after 1001 steps, including 0 resets, run finished after 2 ms. (steps per millisecond=500 ) properties (out of 925) seen :0
Incomplete Best-First random walk after 1001 steps, including 0 resets, run finished after 2 ms. (steps per millisecond=500 ) properties (out of 925) seen :0
Incomplete Best-First random walk after 1001 steps, including 0 resets, run finished after 2 ms. (steps per millisecond=500 ) properties (out of 925) seen :0
Incomplete Best-First random walk after 1001 steps, including 0 resets, run finished after 2 ms. (steps per millisecond=500 ) properties (out of 925) seen :0
Incomplete Best-First random walk after 1001 steps, including 0 resets, run finished after 2 ms. (steps per millisecond=500 ) properties (out of 925) seen :0
Incomplete Best-First random walk after 1001 steps, including 0 resets, run finished after 4 ms. (steps per millisecond=250 ) properties (out of 925) seen :0
Incomplete Best-First random walk after 1001 steps, including 0 resets, run finished after 2 ms. (steps per millisecond=500 ) properties (out of 925) seen :0
Incomplete Best-First random walk after 1001 steps, including 0 resets, run finished after 2 ms. (steps per millisecond=500 ) properties (out of 925) seen :0
Incomplete Best-First random walk after 1001 steps, including 0 resets, run finished after 2 ms. (steps per millisecond=500 ) properties (out of 925) seen :0
Incomplete Best-First random walk after 1001 steps, including 0 resets, run finished after 3 ms. (steps per millisecond=333 ) properties (out of 925) seen :0
Incomplete Best-First random walk after 1001 steps, including 0 resets, run finished after 2 ms. (steps per millisecond=500 ) properties (out of 925) seen :0
Incomplete Best-First random walk after 1001 steps, including 0 resets, run finished after 2 ms. (steps per millisecond=500 ) properties (out of 925) seen :0
Incomplete Best-First random walk after 1001 steps, including 0 resets, run finished after 2 ms. (steps per millisecond=500 ) properties (out of 925) seen :0
Incomplete Best-First random walk after 1001 steps, including 0 resets, run finished after 2 ms. (steps per millisecond=500 ) properties (out of 925) seen :0
Incomplete Best-First random walk after 1001 steps, including 0 resets, run finished after 2 ms. (steps per millisecond=500 ) properties (out of 925) seen :0
Incomplete Best-First random walk after 1001 steps, including 0 resets, run finished after 2 ms. (steps per millisecond=500 ) properties (out of 925) seen :0
Incomplete Best-First random walk after 1001 steps, including 0 resets, run finished after 2 ms. (steps per millisecond=500 ) properties (out of 925) seen :0
Incomplete Best-First random walk after 1001 steps, including 0 resets, run finished after 2 ms. (steps per millisecond=500 ) properties (out of 925) seen :0
Incomplete Best-First random walk after 1001 steps, including 0 resets, run finished after 2 ms. (steps per millisecond=500 ) properties (out of 925) seen :0
Incomplete Best-First random walk after 1001 steps, including 0 resets, run finished after 2 ms. (steps per millisecond=500 ) properties (out of 925) seen :0
Incomplete Best-First random walk after 1001 steps, including 0 resets, run finished after 2 ms. (steps per millisecond=500 ) properties (out of 925) seen :0
Incomplete Best-First random walk after 1001 steps, including 0 resets, run finished after 2 ms. (steps per millisecond=500 ) properties (out of 925) seen :0
Incomplete Best-First random walk after 1001 steps, including 0 resets, run finished after 2 ms. (steps per millisecond=500 ) properties (out of 925) seen :0
Incomplete Best-First random walk after 1001 steps, including 0 resets, run finished after 2 ms. (steps per millisecond=500 ) properties (out of 925) seen :0
Incomplete Best-First random walk after 1001 steps, including 0 resets, run finished after 2 ms. (steps per millisecond=500 ) properties (out of 925) seen :0
Incomplete Best-First random walk after 1001 steps, including 0 resets, run finished after 2 ms. (steps per millisecond=500 ) properties (out of 925) seen :0
Incomplete Best-First random walk after 1001 steps, including 0 resets, run finished after 2 ms. (steps per millisecond=500 ) properties (out of 925) seen :0
Incomplete Best-First random walk after 1001 steps, including 0 resets, run finished after 2 ms. (steps per millisecond=500 ) properties (out of 925) seen :0
Incomplete Best-First random walk after 1001 steps, including 0 resets, run finished after 1 ms. (steps per millisecond=1001 ) properties (out of 925) seen :0
Incomplete Best-First random walk after 1001 steps, including 0 resets, run finished after 1 ms. (steps per millisecond=1001 ) properties (out of 925) seen :0
Incomplete Best-First random walk after 1001 steps, including 0 resets, run finished after 1 ms. (steps per millisecond=1001 ) properties (out of 925) seen :0
Incomplete Best-First random walk after 1001 steps, including 0 resets, run finished after 1 ms. (steps per millisecond=1001 ) properties (out of 925) seen :0
Incomplete Best-First random walk after 1001 steps, including 0 resets, run finished after 2 ms. (steps per millisecond=500 ) properties (out of 925) seen :0
Incomplete Best-First random walk after 1001 steps, including 0 resets, run finished after 2 ms. (steps per millisecond=500 ) properties (out of 925) seen :0
Incomplete Best-First random walk after 1001 steps, including 0 resets, run finished after 2 ms. (steps per millisecond=500 ) properties (out of 925) seen :0
Incomplete Best-First random walk after 1001 steps, including 0 resets, run finished after 2 ms. (steps per millisecond=500 ) properties (out of 925) seen :0
Incomplete Best-First random walk after 1001 steps, including 0 resets, run finished after 2 ms. (steps per millisecond=500 ) properties (out of 925) seen :0
Incomplete Best-First random walk after 1001 steps, including 0 resets, run finished after 2 ms. (steps per millisecond=500 ) properties (out of 925) seen :0
Incomplete Best-First random walk after 1001 steps, including 0 resets, run finished after 2 ms. (steps per millisecond=500 ) properties (out of 925) seen :0
Incomplete Best-First random walk after 1001 steps, including 0 resets, run finished after 2 ms. (steps per millisecond=500 ) properties (out of 925) seen :0
Incomplete Best-First random walk after 1001 steps, including 0 resets, run finished after 2 ms. (steps per millisecond=500 ) properties (out of 925) seen :0
Incomplete Best-First random walk after 1001 steps, including 0 resets, run finished after 2 ms. (steps per millisecond=500 ) properties (out of 925) seen :0
Incomplete Best-First random walk after 1001 steps, including 0 resets, run finished after 2 ms. (steps per millisecond=500 ) properties (out of 925) seen :0
Incomplete Best-First random walk after 1001 steps, including 0 resets, run finished after 2 ms. (steps per millisecond=500 ) properties (out of 925) seen :0
Probabilistic random walk after 1000000 steps, saw 330453 distinct states, run finished after 47825 ms. (steps per millisecond=20 ) properties seen :3
Running SMT prover for 922 properties.
// Phase 1: matrix 2403 rows 1479 cols
[2023-03-21 16:16:33] [INFO ] Computed 24 place invariants in 81 ms
[2023-03-21 16:16:56] [INFO ] [Real]Absence check using 24 positive place invariants in 30 ms returned sat
SDD proceeding with computation,1014 properties remain. new max is 128
SDD size :1.77222e+12 after 1.58857e+17
[2023-03-21 16:18:22] [INFO ] After 64949ms SMT Verify possible using state equation in real domain returned unsat :0 sat :898 real:24
[2023-03-21 16:18:22] [INFO ] State equation strengthened by 133 read => feed constraints.
[2023-03-21 16:19:24] [INFO ] After 61741ms SMT Verify possible using 133 Read/Feed constraints in real domain returned unsat :0 sat :61 real:861
[2023-03-21 16:19:32] [INFO ] After 70151ms SMT Verify possible using trap constraints in real domain returned unsat :0 sat :0 real:922
[2023-03-21 16:19:32] [INFO ] After 178417ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:922
[2023-03-21 16:19:58] [INFO ] [Nat]Absence check using 24 positive place invariants in 37 ms returned sat
[2023-03-21 16:21:20] [INFO ] After 61157ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :922
[2023-03-21 16:22:25] [INFO ] After 65415ms SMT Verify possible using 133 Read/Feed constraints in natural domain returned unsat :0 sat :922
[2023-03-21 16:23:17] [INFO ] After 117593ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :922
Attempting to minimize the solution found.
Minimization took 1 ms.
[2023-03-21 16:23:17] [INFO ] After 225016ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :922
Parikh walk visited 840 properties in 9673 ms.
Support contains 178 out of 1479 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 1479/1479 places, 2403/2403 transitions.
Discarding 386 places :
Symmetric choice reduction at 0 with 386 rule applications. Total rules 386 place count 1093 transition count 2017
Iterating global reduction 0 with 386 rules applied. Total rules applied 772 place count 1093 transition count 2017
Ensure Unique test removed 365 transitions
Reduce isomorphic transitions removed 365 transitions.
Iterating post reduction 0 with 365 rules applied. Total rules applied 1137 place count 1093 transition count 1652
Free-agglomeration rule applied 802 times with reduction of 1 identical transitions.
Iterating global reduction 1 with 802 rules applied. Total rules applied 1939 place count 1093 transition count 849
Reduce places removed 802 places and 0 transitions.
Drop transitions removed 21 transitions
Reduce isomorphic transitions removed 21 transitions.
Iterating post reduction 1 with 823 rules applied. Total rules applied 2762 place count 291 transition count 828
Applied a total of 2762 rules in 1175 ms. Remains 291 /1479 variables (removed 1188) and now considering 828/2403 (removed 1575) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 1175 ms. Remains : 291/1479 places, 828/2403 transitions.
Finished random walk after 984487 steps, including 30781 resets, run visited all 82 properties in 18416 ms. (steps per millisecond=53 )
ITS runner failed with exception null
java.lang.InterruptedException
at java.base/java.lang.Object.wait(Native Method)
at java.base/java.lang.Thread.join(Thread.java:1304)
at java.base/java.lang.Thread.join(Thread.java:1372)
at fr.lip6.move.gal.application.runner.AbstractRunner.join(AbstractRunner.java:27)
at fr.lip6.move.gal.application.runner.its.ITSRunner.join(ITSRunner.java:177)
at fr.lip6.move.gal.application.solver.global.GlobalPropertySolver.verifyWithSDD(GlobalPropertySolver.java:675)
at fr.lip6.move.gal.application.solver.ReachabilitySolver.lambda$2(ReachabilitySolver.java:63)
at java.base/java.lang.Thread.run(Thread.java:833)
Able to resolve query QuasiLiveness after proving 1037 properties.
FORMULA QuasiLiveness TRUE TECHNIQUES RANDOM_WALK PROBABILISTIC_WALK PARIKH_WALK TOPOLOGICAL INITIAL_STATE
Total runtime 550663 ms.

BK_STOP 1679415829083

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

+ export BINDIR=/home/mcc/BenchKit/bin//../itstools/bin//../
+ BINDIR=/home/mcc/BenchKit/bin//../itstools/bin//../
++ pwd
+ export MODEL=/home/mcc/execution
+ MODEL=/home/mcc/execution
+ [[ QuasiLiveness = StateSpace ]]
+ /home/mcc/BenchKit/bin//../itstools/bin//..//runeclipse.sh /home/mcc/execution QuasiLiveness -its -ltsmin -greatspnpath /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/ -order META -manyOrder -smt -timeout 1800
+ 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//../itstools/bin//..//itstools/plugins/fr.lip6.move.gal.application.pnmcc_1.0.0.202303021504.jar
+ VERSION=202303021504
+ echo 'Running Version 202303021504'
+ /home/mcc/BenchKit/bin//../itstools/bin//..//itstools/its-tools -pnfolder /home/mcc/execution -examination QuasiLiveness -its -ltsmin -greatspnpath /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/ -order META -manyOrder -smt -timeout 1800

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="FlexibleBarrier-PT-22b"
export BK_EXAMINATION="QuasiLiveness"
export BK_TOOL="itstools"
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 itstools"
echo " Input is FlexibleBarrier-PT-22b, 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 r179-tall-167838867100372"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/FlexibleBarrier-PT-22b.tgz
mv FlexibleBarrier-PT-22b 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 ;