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-167863549700192.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-6A, examination is QuasiLiveness
Time confinement is 1800 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r279-smll-167863549700192
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 728K
-rw-r--r-- 1 mcc users 7.5K Feb 26 10:01 CTLCardinality.txt
-rw-r--r-- 1 mcc users 84K Feb 26 10:01 CTLCardinality.xml
-rw-r--r-- 1 mcc users 5.8K Feb 26 09:59 CTLFireability.txt
-rw-r--r-- 1 mcc users 55K Feb 26 09:59 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K Jan 29 11:40 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 3.8K Feb 25 16:29 LTLCardinality.txt
-rw-r--r-- 1 mcc users 27K Feb 25 16:29 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.2K Feb 25 16:29 LTLFireability.txt
-rw-r--r-- 1 mcc users 17K Feb 25 16:29 LTLFireability.xml
-rw-r--r-- 1 mcc users 9.8K Feb 26 10:03 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 104K Feb 26 10:03 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 7.3K Feb 26 10:02 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 61K Feb 26 10:02 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.5K 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 297K 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 1678894038745

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-6A
Applying reductions before tool ltsmin
Invoking reducer
Running Version 202303021504
[2023-03-15 15:27:21] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, QuasiLiveness, -timeout, 180, -rebuildPNML]
[2023-03-15 15:27:21] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2023-03-15 15:27:21] [INFO ] Load time of PNML (sax parser for PT used): 167 ms
[2023-03-15 15:27:21] [INFO ] Transformed 512 places.
[2023-03-15 15:27:21] [INFO ] Transformed 1117 transitions.
[2023-03-15 15:27:21] [INFO ] Found NUPN structural information;
[2023-03-15 15:27:21] [INFO ] Parsed PT model containing 512 places and 1117 transitions and 4279 arcs in 299 ms.
Starting structural reductions in LIVENESS mode, iteration 0 : 512/512 places, 1117/1117 transitions.
Performed 3 Post agglomeration using F-continuation condition.Transition count delta: -25
Deduced a syphon composed of 3 places in 3 ms
Reduce places removed 3 places and 0 transitions.
Iterating global reduction 0 with 6 rules applied. Total rules applied 6 place count 509 transition count 1142
Applied a total of 6 rules in 58 ms. Remains 509 /512 variables (removed 3) and now considering 1142/1117 (removed -25) transitions.
[2023-03-15 15:27:21] [INFO ] Flow matrix only has 1100 transitions (discarded 42 similar events)
// Phase 1: matrix 1100 rows 509 cols
[2023-03-15 15:27:21] [INFO ] Computed 66 place invariants in 37 ms
[2023-03-15 15:27:22] [INFO ] Implicit Places using invariants in 1082 ms returned [13, 52, 106, 150, 223, 330, 389, 433, 491]
Discarding 9 places :
Implicit Place search using SMT only with invariants took 1129 ms to find 9 implicit places.
Starting structural reductions in LIVENESS mode, iteration 1 : 500/512 places, 1142/1117 transitions.
Performed 24 Post agglomeration using F-continuation condition.Transition count delta: 24
Deduced a syphon composed of 24 places in 14 ms
Reduce places removed 24 places and 0 transitions.
Iterating global reduction 0 with 48 rules applied. Total rules applied 48 place count 476 transition count 1118
Applied a total of 48 rules in 43 ms. Remains 476 /500 variables (removed 24) and now considering 1118/1142 (removed 24) transitions.
[2023-03-15 15:27:22] [INFO ] Flow matrix only has 1076 transitions (discarded 42 similar events)
// Phase 1: matrix 1076 rows 476 cols
[2023-03-15 15:27:22] [INFO ] Computed 57 place invariants in 26 ms
[2023-03-15 15:27:23] [INFO ] Implicit Places using invariants in 728 ms returned []
[2023-03-15 15:27:23] [INFO ] Flow matrix only has 1076 transitions (discarded 42 similar events)
[2023-03-15 15:27:23] [INFO ] Invariant cache hit.
[2023-03-15 15:27:24] [INFO ] State equation strengthened by 97 read => feed constraints.
[2023-03-15 15:27:25] [INFO ] Implicit Places using invariants and state equation in 1736 ms returned []
Implicit Place search using SMT with State Equation took 2475 ms to find 0 implicit places.
Starting structural reductions in LIVENESS mode, iteration 2 : 476/512 places, 1118/1117 transitions.
Finished structural reductions in LIVENESS mode , in 2 iterations and 3708 ms. Remains : 476/512 places, 1118/1117 transitions.
Discarding 366 transitions out of 1118. Remains 752
Initial state reduction rules removed 1 formulas.
Incomplete random walk after 10000 steps, including 29 resets, run finished after 1739 ms. (steps per millisecond=5 ) properties (out of 751) seen :696
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 12 ms. (steps per millisecond=83 ) properties (out of 55) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 11 ms. (steps per millisecond=91 ) properties (out of 55) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 12 ms. (steps per millisecond=83 ) properties (out of 55) seen :0
Incomplete Best-First random walk after 1000 steps, including 2 resets, run finished after 23 ms. (steps per millisecond=43 ) properties (out of 55) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 25 ms. (steps per millisecond=40 ) properties (out of 55) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 11 ms. (steps per millisecond=91 ) properties (out of 55) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 13 ms. (steps per millisecond=77 ) properties (out of 55) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 11 ms. (steps per millisecond=91 ) properties (out of 55) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 20 ms. (steps per millisecond=50 ) properties (out of 55) 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 55) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 18 ms. (steps per millisecond=55 ) properties (out of 55) 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 55) 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 55) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 11 ms. (steps per millisecond=91 ) properties (out of 55) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 11 ms. (steps per millisecond=91 ) properties (out of 55) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 12 ms. (steps per millisecond=83 ) properties (out of 55) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 12 ms. (steps per millisecond=83 ) properties (out of 55) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 11 ms. (steps per millisecond=91 ) properties (out of 55) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 23 ms. (steps per millisecond=43 ) properties (out of 55) 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 55) 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 55) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 12 ms. (steps per millisecond=83 ) properties (out of 55) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 20 ms. (steps per millisecond=50 ) properties (out of 55) 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 55) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 11 ms. (steps per millisecond=91 ) properties (out of 55) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 11 ms. (steps per millisecond=91 ) properties (out of 55) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 30 ms. (steps per millisecond=33 ) properties (out of 55) 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 55) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 12 ms. (steps per millisecond=83 ) properties (out of 55) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 10 ms. (steps per millisecond=100 ) properties (out of 55) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 12 ms. (steps per millisecond=83 ) properties (out of 55) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 12 ms. (steps per millisecond=83 ) properties (out of 55) seen :0
Incomplete Best-First random walk after 1000 steps, including 2 resets, run finished after 20 ms. (steps per millisecond=50 ) properties (out of 55) 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 55) 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 55) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 12 ms. (steps per millisecond=83 ) properties (out of 55) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 12 ms. (steps per millisecond=83 ) properties (out of 55) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 12 ms. (steps per millisecond=83 ) properties (out of 55) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 11 ms. (steps per millisecond=91 ) properties (out of 55) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 11 ms. (steps per millisecond=91 ) properties (out of 55) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 10 ms. (steps per millisecond=100 ) properties (out of 55) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 11 ms. (steps per millisecond=91 ) properties (out of 55) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 11 ms. (steps per millisecond=91 ) properties (out of 55) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 11 ms. (steps per millisecond=91 ) properties (out of 55) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 11 ms. (steps per millisecond=91 ) properties (out of 55) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 10 ms. (steps per millisecond=100 ) properties (out of 55) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 12 ms. (steps per millisecond=83 ) properties (out of 55) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 11 ms. (steps per millisecond=91 ) properties (out of 55) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 11 ms. (steps per millisecond=91 ) properties (out of 55) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 11 ms. (steps per millisecond=91 ) properties (out of 55) seen :0
Running SMT prover for 55 properties.
[2023-03-15 15:27:27] [INFO ] Flow matrix only has 1076 transitions (discarded 42 similar events)
[2023-03-15 15:27:27] [INFO ] Invariant cache hit.
[2023-03-15 15:27:28] [INFO ] [Real]Absence check using 57 positive place invariants in 26 ms returned sat
[2023-03-15 15:27:32] [INFO ] After 4641ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:55
[2023-03-15 15:27:33] [INFO ] [Nat]Absence check using 57 positive place invariants in 21 ms returned sat
[2023-03-15 15:27:57] [INFO ] After 23796ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :54
[2023-03-15 15:27:57] [INFO ] State equation strengthened by 97 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 15:27:57] [WARNING] SMT solver failed with error :SMT solver raised an error when submitting script.... while checking expressions.
[2023-03-15 15:27:57] [INFO ] After 25032ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :0 real:55
Fused 55 Parikh solutions to 23 different solutions.
Parikh walk visited 8 properties in 2934 ms.
Support contains 74 out of 476 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 476/476 places, 1118/1118 transitions.
Discarding 64 places :
Symmetric choice reduction at 0 with 64 rule applications. Total rules 64 place count 412 transition count 864
Iterating global reduction 0 with 64 rules applied. Total rules applied 128 place count 412 transition count 864
Free-agglomeration rule applied 25 times.
Iterating global reduction 0 with 25 rules applied. Total rules applied 153 place count 412 transition count 839
Reduce places removed 25 places and 0 transitions.
Iterating post reduction 0 with 25 rules applied. Total rules applied 178 place count 387 transition count 839
Applied a total of 178 rules in 231 ms. Remains 387 /476 variables (removed 89) and now considering 839/1118 (removed 279) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 232 ms. Remains : 387/476 places, 839/1118 transitions.
Interrupted random walk after 720755 steps, including 2 resets, run timeout after 30001 ms. (steps per millisecond=24 ) properties seen 7
Incomplete Best-First random walk after 100001 steps, including 4 resets, run finished after 912 ms. (steps per millisecond=109 ) properties (out of 40) seen :9
Incomplete Best-First random walk after 100000 steps, including 2 resets, run finished after 833 ms. (steps per millisecond=120 ) properties (out of 31) seen :2
Incomplete Best-First random walk after 100001 steps, including 2 resets, run finished after 639 ms. (steps per millisecond=156 ) properties (out of 29) seen :0
Incomplete Best-First random walk after 100001 steps, including 2 resets, run finished after 730 ms. (steps per millisecond=136 ) properties (out of 29) seen :2
Incomplete Best-First random walk after 100001 steps, including 2 resets, run finished after 656 ms. (steps per millisecond=152 ) properties (out of 27) seen :3
Incomplete Best-First random walk after 100000 steps, including 3 resets, run finished after 780 ms. (steps per millisecond=128 ) properties (out of 24) seen :6
Incomplete Best-First random walk after 100000 steps, including 3 resets, run finished after 603 ms. (steps per millisecond=165 ) properties (out of 18) seen :1
Incomplete Best-First random walk after 100001 steps, including 2 resets, run finished after 688 ms. (steps per millisecond=145 ) properties (out of 17) seen :3
Incomplete Best-First random walk after 100001 steps, including 3 resets, run finished after 640 ms. (steps per millisecond=156 ) properties (out of 14) seen :5
Incomplete Best-First random walk after 100001 steps, including 3 resets, run finished after 403 ms. (steps per millisecond=248 ) properties (out of 9) seen :1
Incomplete Best-First random walk after 100001 steps, including 2 resets, run finished after 356 ms. (steps per millisecond=280 ) properties (out of 8) seen :0
Incomplete Best-First random walk after 100001 steps, including 2 resets, run finished after 534 ms. (steps per millisecond=187 ) properties (out of 8) seen :1
Incomplete Best-First random walk after 100001 steps, including 2 resets, run finished after 529 ms. (steps per millisecond=189 ) properties (out of 7) seen :0
Running SMT prover for 7 properties.
[2023-03-15 15:28:39] [INFO ] Flow matrix only has 823 transitions (discarded 16 similar events)
// Phase 1: matrix 823 rows 387 cols
[2023-03-15 15:28:39] [INFO ] Computed 57 place invariants in 5 ms
[2023-03-15 15:28:39] [INFO ] [Real]Absence check using 57 positive place invariants in 20 ms returned sat
[2023-03-15 15:28:39] [INFO ] After 778ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:7
[2023-03-15 15:28:40] [INFO ] [Nat]Absence check using 57 positive place invariants in 20 ms returned sat
[2023-03-15 15:28:40] [INFO ] After 629ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :7
[2023-03-15 15:28:40] [INFO ] State equation strengthened by 49 read => feed constraints.
[2023-03-15 15:28:41] [INFO ] After 474ms SMT Verify possible using 49 Read/Feed constraints in natural domain returned unsat :0 sat :7
[2023-03-15 15:28:41] [INFO ] After 1042ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :7
Attempting to minimize the solution found.
Minimization took 444 ms.
[2023-03-15 15:28:42] [INFO ] After 2334ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :7
Parikh walk visited 0 properties in 4 ms.
Support contains 11 out of 387 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 387/387 places, 839/839 transitions.
Discarding 12 places :
Symmetric choice reduction at 0 with 12 rule applications. Total rules 12 place count 375 transition count 785
Iterating global reduction 0 with 12 rules applied. Total rules applied 24 place count 375 transition count 785
Applied a total of 24 rules in 45 ms. Remains 375 /387 variables (removed 12) and now considering 785/839 (removed 54) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 45 ms. Remains : 375/387 places, 785/839 transitions.
Incomplete random walk after 1000000 steps, including 4 resets, run finished after 22678 ms. (steps per millisecond=44 ) properties (out of 7) seen :1
Interrupted Best-First random walk after 868878 steps, including 2 resets, run timeout after 5001 ms. (steps per millisecond=173 ) properties seen 0
Interrupted Best-First random walk after 481754 steps, including 1 resets, run timeout after 5001 ms. (steps per millisecond=96 ) properties seen 1
Interrupted Best-First random walk after 841424 steps, including 2 resets, run timeout after 5001 ms. (steps per millisecond=168 ) properties seen 0
Incomplete Best-First random walk after 1000000 steps, including 2 resets, run finished after 3571 ms. (steps per millisecond=280 ) properties (out of 5) seen :0
Interrupted Best-First random walk after 773686 steps, including 2 resets, run timeout after 5001 ms. (steps per millisecond=154 ) properties seen 0
Running SMT prover for 5 properties.
[2023-03-15 15:29:28] [INFO ] Flow matrix only has 780 transitions (discarded 5 similar events)
// Phase 1: matrix 780 rows 375 cols
[2023-03-15 15:29:28] [INFO ] Computed 57 place invariants in 4 ms
[2023-03-15 15:29:28] [INFO ] [Real]Absence check using 57 positive place invariants in 28 ms returned sat
[2023-03-15 15:29:29] [INFO ] After 667ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:5
[2023-03-15 15:29:29] [INFO ] [Nat]Absence check using 57 positive place invariants in 20 ms returned sat
[2023-03-15 15:29:30] [INFO ] After 556ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :5
[2023-03-15 15:29:30] [INFO ] State equation strengthened by 43 read => feed constraints.
[2023-03-15 15:29:30] [INFO ] After 263ms SMT Verify possible using 43 Read/Feed constraints in natural domain returned unsat :0 sat :5
[2023-03-15 15:29:30] [INFO ] After 555ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :5
Attempting to minimize the solution found.
Minimization took 267 ms.
[2023-03-15 15:29:30] [INFO ] After 1550ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :5
Parikh walk visited 0 properties in 2 ms.
Support contains 9 out of 375 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 375/375 places, 785/785 transitions.
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 1 place count 374 transition count 782
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 374 transition count 782
Applied a total of 2 rules in 29 ms. Remains 374 /375 variables (removed 1) and now considering 782/785 (removed 3) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 29 ms. Remains : 374/375 places, 782/785 transitions.
Incomplete random walk after 1000000 steps, including 2 resets, run finished after 21004 ms. (steps per millisecond=47 ) properties (out of 5) seen :0
Incomplete Best-First random walk after 1000001 steps, including 2 resets, run finished after 3992 ms. (steps per millisecond=250 ) properties (out of 5) seen :0
Incomplete Best-First random walk after 1000000 steps, including 2 resets, run finished after 4483 ms. (steps per millisecond=223 ) properties (out of 5) seen :0
Interrupted Best-First random walk after 509050 steps, including 3 resets, run timeout after 5001 ms. (steps per millisecond=101 ) properties seen 2
Incomplete Best-First random walk after 1000001 steps, including 2 resets, run finished after 2481 ms. (steps per millisecond=403 ) properties (out of 3) seen :1
Running SMT prover for 2 properties.
[2023-03-15 15:30:07] [INFO ] Flow matrix only has 777 transitions (discarded 5 similar events)
// Phase 1: matrix 777 rows 374 cols
[2023-03-15 15:30:07] [INFO ] Computed 57 place invariants in 4 ms
[2023-03-15 15:30:07] [INFO ] [Real]Absence check using 57 positive place invariants in 30 ms returned sat
[2023-03-15 15:30:08] [INFO ] After 517ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:2
[2023-03-15 15:30:08] [INFO ] [Nat]Absence check using 57 positive place invariants in 23 ms returned sat
[2023-03-15 15:30:08] [INFO ] After 439ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :2
[2023-03-15 15:30:08] [INFO ] State equation strengthened by 43 read => feed constraints.
[2023-03-15 15:30:09] [INFO ] After 173ms SMT Verify possible using 43 Read/Feed constraints in natural domain returned unsat :0 sat :2
[2023-03-15 15:30:09] [INFO ] After 311ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :2
Attempting to minimize the solution found.
Minimization took 76 ms.
[2023-03-15 15:30:09] [INFO ] After 963ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :2
Parikh walk visited 0 properties in 1 ms.
Support contains 4 out of 374 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 374/374 places, 782/782 transitions.
Discarding 2 places :
Symmetric choice reduction at 0 with 2 rule applications. Total rules 2 place count 372 transition count 769
Iterating global reduction 0 with 2 rules applied. Total rules applied 4 place count 372 transition count 769
Applied a total of 4 rules in 28 ms. Remains 372 /374 variables (removed 2) and now considering 769/782 (removed 13) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 28 ms. Remains : 372/374 places, 769/782 transitions.
Incomplete random walk after 1000000 steps, including 2 resets, run finished after 9563 ms. (steps per millisecond=104 ) properties (out of 2) seen :0
Incomplete Best-First random walk after 1000001 steps, including 2 resets, run finished after 2404 ms. (steps per millisecond=415 ) properties (out of 2) seen :0
Incomplete Best-First random walk after 1000001 steps, including 2 resets, run finished after 2277 ms. (steps per millisecond=439 ) properties (out of 2) seen :0
Finished probabilistic random walk after 1296565 steps, run visited all 2 properties in 9674 ms. (steps per millisecond=134 )
Probabilistic random walk after 1296565 steps, saw 561777 distinct states, run finished after 9674 ms. (steps per millisecond=134 ) properties seen :2
Able to resolve query QuasiLiveness after proving 752 properties.
FORMULA QuasiLiveness TRUE TECHNIQUES RANDOM_WALK PARIKH_WALK PROBABILISTIC_WALK BESTFIRST_WALK TOPOLOGICAL INITIAL_STATE
Total runtime 191958 ms.
ITS solved all properties within timeout

BK_STOP 1678894234340

--------------------
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-6A"
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-6A, 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-167863549700192"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/NoC3x3-PT-6A.tgz
mv NoC3x3-PT-6A 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 ;