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.r023-oct2-167813610500402.qcow2', fmt=qcow2 cluster_size=65536 extended_l2=off compression_type=zlib size=4294967296 backing_file=/data/fkordon/mcc2023-input.qcow2 backing_fmt=qcow2 lazy_refcounts=off refcount_bits=16
Waiting for the VM to be ready (probing ssh)
.......................
=====================================================================
Generated by BenchKit 2-5348
Executing tool ltsminxred
Input is AutonomousCar-PT-08a, examination is QuasiLiveness
Time confinement is 1800 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r023-oct2-167813610500402
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 828K
-rw-r--r-- 1 mcc users 5.2K Feb 25 12:55 CTLCardinality.txt
-rw-r--r-- 1 mcc users 52K Feb 25 12:55 CTLCardinality.xml
-rw-r--r-- 1 mcc users 5.8K Feb 25 12:54 CTLFireability.txt
-rw-r--r-- 1 mcc users 54K Feb 25 12:54 CTLFireability.xml
-rw-r--r-- 1 mcc users 3.6K Feb 25 15:34 LTLCardinality.txt
-rw-r--r-- 1 mcc users 25K Feb 25 15:34 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.3K Feb 25 15:34 LTLFireability.txt
-rw-r--r-- 1 mcc users 17K Feb 25 15:34 LTLFireability.xml
-rw-r--r-- 1 mcc users 8.9K Feb 25 12:56 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 94K Feb 25 12:56 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 7.6K Feb 25 12:55 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 62K Feb 25 12:55 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.7K Feb 25 15:34 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.7K Feb 25 15:34 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 448K 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 1678988430047

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=AutonomousCar-PT-08a
Applying reductions before tool ltsmin
Invoking reducer
Running Version 202303021504
[2023-03-16 17:40:33] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, QuasiLiveness, -timeout, 180, -rebuildPNML]
[2023-03-16 17:40:33] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2023-03-16 17:40:33] [INFO ] Load time of PNML (sax parser for PT used): 108 ms
[2023-03-16 17:40:33] [INFO ] Transformed 81 places.
[2023-03-16 17:40:34] [INFO ] Transformed 849 transitions.
[2023-03-16 17:40:34] [INFO ] Found NUPN structural information;
[2023-03-16 17:40:34] [INFO ] Parsed PT model containing 81 places and 849 transitions and 8894 arcs in 198 ms.
Starting structural reductions in LIVENESS mode, iteration 0 : 81/81 places, 849/849 transitions.
Ensure Unique test removed 275 transitions
Reduce isomorphic transitions removed 275 transitions.
Drop transitions removed 9 transitions
Trivial Post-agglo rules discarded 9 transitions
Performed 9 trivial Post agglomeration. Transition count delta: 9
Iterating post reduction 0 with 284 rules applied. Total rules applied 284 place count 81 transition count 565
Reduce places removed 9 places and 0 transitions.
Iterating post reduction 1 with 9 rules applied. Total rules applied 293 place count 72 transition count 565
Performed 2 Post agglomeration using F-continuation condition.Transition count delta: 2
Deduced a syphon composed of 2 places in 1 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 2 with 4 rules applied. Total rules applied 297 place count 70 transition count 563
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 0
Deduced a syphon composed of 1 places in 1 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 2 with 2 rules applied. Total rules applied 299 place count 69 transition count 563
Applied a total of 299 rules in 43 ms. Remains 69 /81 variables (removed 12) and now considering 563/849 (removed 286) transitions.
[2023-03-16 17:40:34] [INFO ] Flow matrix only has 562 transitions (discarded 1 similar events)
// Phase 1: matrix 562 rows 69 cols
[2023-03-16 17:40:34] [INFO ] Computed 13 place invariants in 24 ms
[2023-03-16 17:40:35] [INFO ] Implicit Places using invariants in 1492 ms returned [1]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 1527 ms to find 1 implicit places.
Starting structural reductions in LIVENESS mode, iteration 1 : 68/81 places, 563/849 transitions.
Applied a total of 0 rules in 7 ms. Remains 68 /68 variables (removed 0) and now considering 563/563 (removed 0) transitions.
Finished structural reductions in LIVENESS mode , in 2 iterations and 1577 ms. Remains : 68/81 places, 563/849 transitions.
Discarding 44 transitions out of 563. Remains 519
Initial state reduction rules removed 1 formulas.
Incomplete random walk after 10000 steps, including 685 resets, run finished after 1013 ms. (steps per millisecond=9 ) properties (out of 518) seen :171
Incomplete Best-First random walk after 101 steps, including 2 resets, run finished after 2 ms. (steps per millisecond=50 ) properties (out of 347) 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 347) 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 347) seen :0
Incomplete Best-First random walk after 101 steps, including 2 resets, run finished after 3 ms. (steps per millisecond=33 ) properties (out of 347) seen :0
Incomplete Best-First random walk after 101 steps, including 2 resets, run finished after 3 ms. (steps per millisecond=33 ) properties (out of 347) 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 347) 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 347) seen :0
Incomplete Best-First random walk after 101 steps, including 2 resets, run finished after 3 ms. (steps per millisecond=33 ) properties (out of 347) seen :0
Incomplete Best-First random walk after 101 steps, including 2 resets, run finished after 3 ms. (steps per millisecond=33 ) properties (out of 347) 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 347) seen :0
Incomplete Best-First random walk after 101 steps, including 2 resets, run finished after 3 ms. (steps per millisecond=33 ) properties (out of 347) 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 347) seen :0
Incomplete Best-First random walk after 101 steps, including 2 resets, run finished after 3 ms. (steps per millisecond=33 ) properties (out of 347) 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 347) seen :0
Incomplete Best-First random walk after 101 steps, including 2 resets, run finished after 3 ms. (steps per millisecond=33 ) properties (out of 347) 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 347) 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 347) seen :0
Incomplete Best-First random walk after 101 steps, including 2 resets, run finished after 3 ms. (steps per millisecond=33 ) properties (out of 347) seen :0
Incomplete Best-First random walk after 101 steps, including 2 resets, run finished after 3 ms. (steps per millisecond=33 ) properties (out of 347) 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 347) seen :0
Incomplete Best-First random walk after 101 steps, including 2 resets, run finished after 26 ms. (steps per millisecond=3 ) properties (out of 347) seen :0
Incomplete Best-First random walk after 101 steps, including 2 resets, run finished after 3 ms. (steps per millisecond=33 ) properties (out of 347) 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 347) 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 347) 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 347) 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 347) seen :0
Incomplete Best-First random walk after 101 steps, including 2 resets, run finished after 11 ms. (steps per millisecond=9 ) properties (out of 347) 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 347) 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 347) 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 347) 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 347) 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 347) 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 347) 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 347) 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 347) 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 347) 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 347) seen :0
Incomplete Best-First random walk after 101 steps, including 2 resets, run finished after 9 ms. (steps per millisecond=11 ) properties (out of 347) 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 347) 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 347) 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 347) 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 347) 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 347) 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 347) 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 347) seen :0
Incomplete Best-First random walk after 101 steps, including 2 resets, run finished after 3 ms. (steps per millisecond=33 ) properties (out of 347) 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 347) seen :0
Incomplete Best-First random walk after 101 steps, including 2 resets, run finished after 3 ms. (steps per millisecond=33 ) properties (out of 347) 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 347) 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 347) seen :0
Running SMT prover for 347 properties.
[2023-03-16 17:40:36] [INFO ] Flow matrix only has 562 transitions (discarded 1 similar events)
// Phase 1: matrix 562 rows 68 cols
[2023-03-16 17:40:36] [INFO ] Computed 12 place invariants in 4 ms
[2023-03-16 17:40:43] [INFO ] [Real]Absence check using 12 positive place invariants in 18 ms returned sat
[2023-03-16 17:41:06] [INFO ] After 20955ms SMT Verify possible using state equation in real domain returned unsat :0 sat :91 real:255
[2023-03-16 17:41:06] [INFO ] State equation strengthened by 1 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: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)
[2023-03-16 17:41:06] [WARNING] SMT solver failed with error :SMT solver raised an error when submitting script.... while checking expressions.
[2023-03-16 17:41:06] [INFO ] After 25077ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0
Fused 347 Parikh solutions to 1 different solutions.
Parikh walk visited 0 properties in 2 ms.
Support contains 51 out of 68 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 68/68 places, 563/563 transitions.
Graph (complete) has 815 edges and 68 vertex of which 66 are kept as prefixes of interest. Removing 2 places using SCC suffix rule.28 ms
Discarding 2 places :
Also discarding 2 output transitions
Drop transitions removed 2 transitions
Applied a total of 1 rules in 105 ms. Remains 66 /68 variables (removed 2) and now considering 561/563 (removed 2) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 106 ms. Remains : 66/68 places, 561/563 transitions.
Interrupted random walk after 628702 steps, including 42343 resets, run timeout after 30001 ms. (steps per millisecond=20 ) properties seen 299
Incomplete Best-First random walk after 100001 steps, including 395 resets, run finished after 337 ms. (steps per millisecond=296 ) properties (out of 48) seen :3
Incomplete Best-First random walk after 100000 steps, including 376 resets, run finished after 459 ms. (steps per millisecond=217 ) properties (out of 45) seen :1
Incomplete Best-First random walk after 100001 steps, including 455 resets, run finished after 414 ms. (steps per millisecond=241 ) properties (out of 44) seen :0
Incomplete Best-First random walk after 100001 steps, including 457 resets, run finished after 374 ms. (steps per millisecond=267 ) properties (out of 44) seen :1
Incomplete Best-First random walk after 100001 steps, including 460 resets, run finished after 383 ms. (steps per millisecond=261 ) properties (out of 43) seen :1
Incomplete Best-First random walk after 100001 steps, including 379 resets, run finished after 391 ms. (steps per millisecond=255 ) properties (out of 42) seen :4
Incomplete Best-First random walk after 100001 steps, including 383 resets, run finished after 388 ms. (steps per millisecond=257 ) properties (out of 38) seen :0
Incomplete Best-First random walk after 100001 steps, including 389 resets, run finished after 373 ms. (steps per millisecond=268 ) properties (out of 38) seen :0
Incomplete Best-First random walk after 100001 steps, including 450 resets, run finished after 436 ms. (steps per millisecond=229 ) properties (out of 38) seen :0
Incomplete Best-First random walk after 100001 steps, including 379 resets, run finished after 449 ms. (steps per millisecond=222 ) properties (out of 38) seen :0
Incomplete Best-First random walk after 100001 steps, including 417 resets, run finished after 364 ms. (steps per millisecond=274 ) properties (out of 38) seen :3
Incomplete Best-First random walk after 100001 steps, including 460 resets, run finished after 377 ms. (steps per millisecond=265 ) properties (out of 35) seen :0
Incomplete Best-First random walk after 100000 steps, including 453 resets, run finished after 359 ms. (steps per millisecond=278 ) properties (out of 35) seen :1
Incomplete Best-First random walk after 100001 steps, including 441 resets, run finished after 356 ms. (steps per millisecond=280 ) properties (out of 34) seen :1
Incomplete Best-First random walk after 100001 steps, including 370 resets, run finished after 309 ms. (steps per millisecond=323 ) properties (out of 33) seen :1
Incomplete Best-First random walk after 100001 steps, including 383 resets, run finished after 311 ms. (steps per millisecond=321 ) properties (out of 32) seen :0
Incomplete Best-First random walk after 100001 steps, including 369 resets, run finished after 309 ms. (steps per millisecond=323 ) properties (out of 32) seen :1
Incomplete Best-First random walk after 100001 steps, including 456 resets, run finished after 303 ms. (steps per millisecond=330 ) properties (out of 31) seen :0
Incomplete Best-First random walk after 100001 steps, including 453 resets, run finished after 366 ms. (steps per millisecond=273 ) properties (out of 31) seen :1
Incomplete Best-First random walk after 100001 steps, including 375 resets, run finished after 365 ms. (steps per millisecond=273 ) properties (out of 30) seen :1
Incomplete Best-First random walk after 100001 steps, including 383 resets, run finished after 366 ms. (steps per millisecond=273 ) properties (out of 29) seen :0
Incomplete Best-First random walk after 100001 steps, including 417 resets, run finished after 350 ms. (steps per millisecond=285 ) properties (out of 29) seen :4
Incomplete Best-First random walk after 100001 steps, including 449 resets, run finished after 354 ms. (steps per millisecond=282 ) properties (out of 25) seen :0
Incomplete Best-First random walk after 100001 steps, including 459 resets, run finished after 350 ms. (steps per millisecond=285 ) properties (out of 25) seen :1
Incomplete Best-First random walk after 100001 steps, including 452 resets, run finished after 359 ms. (steps per millisecond=278 ) properties (out of 24) seen :1
Incomplete Best-First random walk after 100001 steps, including 460 resets, run finished after 358 ms. (steps per millisecond=279 ) properties (out of 23) seen :1
Incomplete Best-First random walk after 100000 steps, including 457 resets, run finished after 401 ms. (steps per millisecond=249 ) properties (out of 22) seen :0
Incomplete Best-First random walk after 100000 steps, including 385 resets, run finished after 386 ms. (steps per millisecond=259 ) properties (out of 22) seen :0
Incomplete Best-First random walk after 100001 steps, including 460 resets, run finished after 369 ms. (steps per millisecond=271 ) properties (out of 22) seen :1
Incomplete Best-First random walk after 100001 steps, including 455 resets, run finished after 371 ms. (steps per millisecond=269 ) properties (out of 21) seen :0
Incomplete Best-First random walk after 100001 steps, including 389 resets, run finished after 372 ms. (steps per millisecond=268 ) properties (out of 21) seen :0
Incomplete Best-First random walk after 100001 steps, including 421 resets, run finished after 363 ms. (steps per millisecond=275 ) properties (out of 21) seen :0
Running SMT prover for 21 properties.
// Phase 1: matrix 561 rows 66 cols
[2023-03-16 17:41:48] [INFO ] Computed 10 place invariants in 4 ms
[2023-03-16 17:41:48] [INFO ] [Real]Absence check using 10 positive place invariants in 2 ms returned sat
[2023-03-16 17:41:50] [INFO ] After 1396ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:21
[2023-03-16 17:41:50] [INFO ] [Nat]Absence check using 10 positive place invariants in 5 ms returned sat
[2023-03-16 17:41:51] [INFO ] After 1311ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :21
[2023-03-16 17:41:53] [INFO ] After 3529ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :21
Attempting to minimize the solution found.
Minimization took 1348 ms.
[2023-03-16 17:41:55] [INFO ] After 5223ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :21
Parikh walk visited 0 properties in 851 ms.
Support contains 23 out of 66 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 66/66 places, 561/561 transitions.
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 1 place count 65 transition count 552
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 65 transition count 552
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 0 with 1 rules applied. Total rules applied 3 place count 64 transition count 551
Applied a total of 3 rules in 69 ms. Remains 64 /66 variables (removed 2) and now considering 551/561 (removed 10) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 69 ms. Remains : 64/66 places, 551/561 transitions.
Interrupted random walk after 727465 steps, including 52488 resets, run timeout after 30001 ms. (steps per millisecond=24 ) properties seen 4
Incomplete Best-First random walk after 100001 steps, including 387 resets, run finished after 318 ms. (steps per millisecond=314 ) properties (out of 17) seen :0
Incomplete Best-First random walk after 100000 steps, including 393 resets, run finished after 301 ms. (steps per millisecond=332 ) properties (out of 17) seen :0
Incomplete Best-First random walk after 100001 steps, including 370 resets, run finished after 285 ms. (steps per millisecond=350 ) properties (out of 17) seen :0
Incomplete Best-First random walk after 100000 steps, including 449 resets, run finished after 339 ms. (steps per millisecond=294 ) properties (out of 17) seen :0
Incomplete Best-First random walk after 100001 steps, including 458 resets, run finished after 328 ms. (steps per millisecond=304 ) properties (out of 17) seen :0
Incomplete Best-First random walk after 100001 steps, including 390 resets, run finished after 329 ms. (steps per millisecond=303 ) properties (out of 17) seen :2
Incomplete Best-First random walk after 100001 steps, including 403 resets, run finished after 461 ms. (steps per millisecond=216 ) properties (out of 15) seen :0
Incomplete Best-First random walk after 100001 steps, including 449 resets, run finished after 319 ms. (steps per millisecond=313 ) properties (out of 15) seen :0
Incomplete Best-First random walk after 100000 steps, including 391 resets, run finished after 290 ms. (steps per millisecond=344 ) properties (out of 15) seen :1
Incomplete Best-First random walk after 100001 steps, including 449 resets, run finished after 278 ms. (steps per millisecond=359 ) properties (out of 14) seen :0
Incomplete Best-First random walk after 100001 steps, including 384 resets, run finished after 276 ms. (steps per millisecond=362 ) properties (out of 14) seen :0
Incomplete Best-First random walk after 100001 steps, including 442 resets, run finished after 318 ms. (steps per millisecond=314 ) properties (out of 14) seen :0
Incomplete Best-First random walk after 100001 steps, including 390 resets, run finished after 326 ms. (steps per millisecond=306 ) properties (out of 14) seen :0
Incomplete Best-First random walk after 100001 steps, including 416 resets, run finished after 331 ms. (steps per millisecond=302 ) properties (out of 14) seen :0
Running SMT prover for 14 properties.
// Phase 1: matrix 551 rows 64 cols
[2023-03-16 17:42:30] [INFO ] Computed 10 place invariants in 4 ms
[2023-03-16 17:42:30] [INFO ] [Real]Absence check using 10 positive place invariants in 3 ms returned sat
[2023-03-16 17:42:31] [INFO ] After 900ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:14
[2023-03-16 17:42:31] [INFO ] [Nat]Absence check using 10 positive place invariants in 3 ms returned sat
[2023-03-16 17:42:32] [INFO ] After 1009ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :14
[2023-03-16 17:42:34] [INFO ] After 2259ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :14
Attempting to minimize the solution found.
Minimization took 798 ms.
[2023-03-16 17:42:34] [INFO ] After 3226ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :14
Parikh walk visited 0 properties in 3 ms.
Support contains 17 out of 64 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 64/64 places, 551/551 transitions.
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 1 place count 63 transition count 542
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 63 transition count 542
Free-agglomeration rule applied 3 times.
Iterating global reduction 0 with 3 rules applied. Total rules applied 5 place count 63 transition count 539
Reduce places removed 3 places and 0 transitions.
Ensure Unique test removed 24 transitions
Reduce isomorphic transitions removed 24 transitions.
Iterating post reduction 0 with 27 rules applied. Total rules applied 32 place count 60 transition count 515
Applied a total of 32 rules in 71 ms. Remains 60 /64 variables (removed 4) and now considering 515/551 (removed 36) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 71 ms. Remains : 60/64 places, 515/551 transitions.
Interrupted random walk after 956917 steps, including 49978 resets, run timeout after 30001 ms. (steps per millisecond=31 ) properties seen 9
Incomplete Best-First random walk after 1000001 steps, including 3978 resets, run finished after 2824 ms. (steps per millisecond=354 ) properties (out of 5) seen :1
Incomplete Best-First random walk after 1000001 steps, including 3555 resets, run finished after 2131 ms. (steps per millisecond=469 ) properties (out of 4) seen :0
Incomplete Best-First random walk after 1000001 steps, including 3944 resets, run finished after 1683 ms. (steps per millisecond=594 ) properties (out of 4) seen :1
Incomplete Best-First random walk after 1000001 steps, including 3991 resets, run finished after 2019 ms. (steps per millisecond=495 ) properties (out of 3) seen :0
Incomplete Best-First random walk after 1000001 steps, including 3802 resets, run finished after 1403 ms. (steps per millisecond=712 ) properties (out of 3) seen :0
Running SMT prover for 3 properties.
// Phase 1: matrix 515 rows 60 cols
[2023-03-16 17:43:15] [INFO ] Computed 10 place invariants in 9 ms
[2023-03-16 17:43:15] [INFO ] [Real]Absence check using 10 positive place invariants in 4 ms returned sat
[2023-03-16 17:43:15] [INFO ] After 323ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:3
[2023-03-16 17:43:15] [INFO ] [Nat]Absence check using 10 positive place invariants in 78 ms returned sat
[2023-03-16 17:43:16] [INFO ] After 334ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :3
[2023-03-16 17:43:16] [INFO ] After 769ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :3
Attempting to minimize the solution found.
Minimization took 220 ms.
[2023-03-16 17:43:16] [INFO ] After 1262ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :3
Parikh walk visited 0 properties in 1 ms.
Support contains 6 out of 60 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 60/60 places, 515/515 transitions.
Discarding 5 places :
Symmetric choice reduction at 0 with 5 rule applications. Total rules 5 place count 55 transition count 470
Iterating global reduction 0 with 5 rules applied. Total rules applied 10 place count 55 transition count 470
Free-agglomeration rule applied 4 times.
Iterating global reduction 0 with 4 rules applied. Total rules applied 14 place count 55 transition count 466
Reduce places removed 4 places and 0 transitions.
Ensure Unique test removed 32 transitions
Reduce isomorphic transitions removed 32 transitions.
Iterating post reduction 0 with 36 rules applied. Total rules applied 50 place count 51 transition count 434
Applied a total of 50 rules in 70 ms. Remains 51 /60 variables (removed 9) and now considering 434/515 (removed 81) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 70 ms. Remains : 51/60 places, 434/515 transitions.
Incomplete random walk after 1000000 steps, including 13007 resets, run finished after 5795 ms. (steps per millisecond=172 ) properties (out of 3) seen :2
Incomplete Best-First random walk after 1000000 steps, including 4202 resets, run finished after 614 ms. (steps per millisecond=1628 ) properties (out of 1) seen :0
Running SMT prover for 1 properties.
// Phase 1: matrix 434 rows 51 cols
[2023-03-16 17:43:23] [INFO ] Computed 10 place invariants in 7 ms
[2023-03-16 17:43:23] [INFO ] [Real]Absence check using 10 positive place invariants in 2 ms returned sat
[2023-03-16 17:43:23] [INFO ] After 228ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
[2023-03-16 17:43:23] [INFO ] [Nat]Absence check using 10 positive place invariants in 4 ms returned sat
[2023-03-16 17:43:23] [INFO ] After 157ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
[2023-03-16 17:43:23] [INFO ] After 207ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
Attempting to minimize the solution found.
Minimization took 43 ms.
[2023-03-16 17:43:23] [INFO ] After 286ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
Parikh walk visited 0 properties in 0 ms.
Support contains 3 out of 51 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 51/51 places, 434/434 transitions.
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 1 place count 50 transition count 425
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 50 transition count 425
Free-agglomeration rule applied 1 times.
Iterating global reduction 0 with 1 rules applied. Total rules applied 3 place count 50 transition count 424
Reduce places removed 1 places and 0 transitions.
Ensure Unique test removed 8 transitions
Reduce isomorphic transitions removed 8 transitions.
Iterating post reduction 0 with 9 rules applied. Total rules applied 12 place count 49 transition count 416
Applied a total of 12 rules in 61 ms. Remains 49 /51 variables (removed 2) and now considering 416/434 (removed 18) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 61 ms. Remains : 49/51 places, 416/434 transitions.
Incomplete random walk after 1000000 steps, including 7719 resets, run finished after 5091 ms. (steps per millisecond=196 ) properties (out of 1) seen :0
Incomplete Best-First random walk after 1000001 steps, including 5809 resets, run finished after 572 ms. (steps per millisecond=1748 ) properties (out of 1) seen :0
Finished probabilistic random walk after 67617 steps, run visited all 1 properties in 123 ms. (steps per millisecond=549 )
Probabilistic random walk after 67617 steps, saw 11343 distinct states, run finished after 123 ms. (steps per millisecond=549 ) properties seen :1
Able to resolve query QuasiLiveness after proving 519 properties.
FORMULA QuasiLiveness TRUE TECHNIQUES RANDOM_WALK PROBABILISTIC_WALK BESTFIRST_WALK TOPOLOGICAL INITIAL_STATE
Total runtime 175832 ms.
ITS solved all properties within timeout

BK_STOP 1678988609873

--------------------
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:
++ perl -pe 's/.*\.//g'
++ sed s/.jar//
++ 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="AutonomousCar-PT-08a"
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 AutonomousCar-PT-08a, 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 r023-oct2-167813610500402"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/AutonomousCar-PT-08a.tgz
mv AutonomousCar-PT-08a 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 ;