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.r021-oct2-167813609100402.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 lolaxred
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 r021-oct2-167813609100402
=====================================================================

--------------------
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 1678932527914

bash -c /home/mcc/BenchKit/BenchKit_head.sh 2> STDERR ; echo ; echo -n "BK_STOP " ; date -u +%s%3N
Invoking MCC driver with
BK_TOOL=lolaxred
BK_EXAMINATION=QuasiLiveness
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=1800
BK_INPUT=AutonomousCar-PT-08a
Applying reductions before tool lola
Invoking reducer
Running Version 202303021504
[2023-03-16 02:08:50] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, QuasiLiveness, -timeout, 180, -rebuildPNML]
[2023-03-16 02:08:50] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2023-03-16 02:08:50] [INFO ] Load time of PNML (sax parser for PT used): 139 ms
[2023-03-16 02:08:50] [INFO ] Transformed 81 places.
[2023-03-16 02:08:50] [INFO ] Transformed 849 transitions.
[2023-03-16 02:08:50] [INFO ] Found NUPN structural information;
[2023-03-16 02:08:51] [INFO ] Parsed PT model containing 81 places and 849 transitions and 8894 arcs in 261 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 4 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 105 ms. Remains 69 /81 variables (removed 12) and now considering 563/849 (removed 286) transitions.
[2023-03-16 02:08:51] [INFO ] Flow matrix only has 562 transitions (discarded 1 similar events)
// Phase 1: matrix 562 rows 69 cols
[2023-03-16 02:08:51] [INFO ] Computed 13 place invariants in 19 ms
[2023-03-16 02:08:53] [INFO ] Implicit Places using invariants in 2293 ms returned [1]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 2345 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 13 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 2464 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 675 resets, run finished after 1023 ms. (steps per millisecond=9 ) properties (out of 518) seen :189
Incomplete Best-First random walk after 101 steps, including 2 resets, run finished after 2 ms. (steps per millisecond=50 ) properties (out of 329) 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 329) 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 329) 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 329) 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 329) 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 329) 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 329) 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 329) 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 329) 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 329) seen :0
Incomplete Best-First random walk after 101 steps, including 2 resets, run finished after 4 ms. (steps per millisecond=25 ) properties (out of 329) 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 329) 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 329) 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 329) 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 329) 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 329) 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 329) 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 329) 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 329) 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 329) 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 329) 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 329) 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 329) 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 329) 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 329) 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 329) 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 329) 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 329) 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 329) 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 329) 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 329) 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 329) 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 329) 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 329) 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 329) 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 329) 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 329) 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 329) 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 329) 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 329) 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 329) 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 329) 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 329) 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 329) 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 329) 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 329) 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 329) 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 329) 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 329) 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 329) seen :0
Running SMT prover for 329 properties.
[2023-03-16 02:08:54] [INFO ] Flow matrix only has 562 transitions (discarded 1 similar events)
// Phase 1: matrix 562 rows 68 cols
[2023-03-16 02:08:54] [INFO ] Computed 12 place invariants in 6 ms
[2023-03-16 02:09:01] [INFO ] [Real]Absence check using 12 positive place invariants in 4 ms returned sat
[2023-03-16 02:09:23] [INFO ] After 20871ms SMT Verify possible using state equation in real domain returned unsat :0 sat :63 real:265
[2023-03-16 02:09:23] [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 02:09:23] [WARNING] SMT solver failed with error :SMT solver raised an error when submitting script.... while checking expressions.
[2023-03-16 02:09:23] [INFO ] After 25052ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0
Fused 329 Parikh solutions to 1 different solutions.
Parikh walk visited 0 properties in 1 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 67 are kept as prefixes of interest. Removing 1 places using SCC suffix rule.10 ms
Discarding 1 places :
Also discarding 1 output transitions
Drop transitions removed 1 transitions
Drop transitions removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 0 with 1 rules applied. Total rules applied 2 place count 67 transition count 561
Applied a total of 2 rules in 137 ms. Remains 67 /68 variables (removed 1) and now considering 561/563 (removed 2) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 137 ms. Remains : 67/68 places, 561/563 transitions.
Interrupted random walk after 714737 steps, including 48252 resets, run timeout after 30001 ms. (steps per millisecond=23 ) properties seen 279
Incomplete Best-First random walk after 100001 steps, including 376 resets, run finished after 300 ms. (steps per millisecond=333 ) properties (out of 50) seen :0
Incomplete Best-First random walk after 100001 steps, including 379 resets, run finished after 314 ms. (steps per millisecond=318 ) properties (out of 50) seen :5
Incomplete Best-First random walk after 100001 steps, including 379 resets, run finished after 352 ms. (steps per millisecond=284 ) properties (out of 45) seen :4
Incomplete Best-First random walk after 100001 steps, including 381 resets, run finished after 384 ms. (steps per millisecond=260 ) properties (out of 41) seen :0
Incomplete Best-First random walk after 100001 steps, including 452 resets, run finished after 351 ms. (steps per millisecond=284 ) properties (out of 41) seen :0
Incomplete Best-First random walk after 100001 steps, including 456 resets, run finished after 370 ms. (steps per millisecond=270 ) properties (out of 41) seen :1
Incomplete Best-First random walk after 100001 steps, including 457 resets, run finished after 357 ms. (steps per millisecond=280 ) properties (out of 40) seen :1
Incomplete Best-First random walk after 100001 steps, including 452 resets, run finished after 298 ms. (steps per millisecond=335 ) properties (out of 39) seen :1
Incomplete Best-First random walk after 100001 steps, including 380 resets, run finished after 294 ms. (steps per millisecond=340 ) properties (out of 38) seen :3
Incomplete Best-First random walk after 100000 steps, including 464 resets, run finished after 291 ms. (steps per millisecond=343 ) properties (out of 35) seen :0
Incomplete Best-First random walk after 100000 steps, including 450 resets, run finished after 311 ms. (steps per millisecond=321 ) properties (out of 35) seen :1
Incomplete Best-First random walk after 100001 steps, including 375 resets, run finished after 222 ms. (steps per millisecond=450 ) properties (out of 34) seen :6
Incomplete Best-First random walk after 100001 steps, including 370 resets, run finished after 223 ms. (steps per millisecond=448 ) properties (out of 28) seen :0
Incomplete Best-First random walk after 100001 steps, including 457 resets, run finished after 290 ms. (steps per millisecond=344 ) properties (out of 28) seen :0
Incomplete Best-First random walk after 100001 steps, including 457 resets, run finished after 279 ms. (steps per millisecond=358 ) properties (out of 28) seen :1
Incomplete Best-First random walk after 100001 steps, including 462 resets, run finished after 279 ms. (steps per millisecond=358 ) properties (out of 27) seen :1
Incomplete Best-First random walk after 100001 steps, including 382 resets, run finished after 279 ms. (steps per millisecond=358 ) properties (out of 26) seen :0
Incomplete Best-First random walk after 100001 steps, including 375 resets, run finished after 297 ms. (steps per millisecond=336 ) properties (out of 26) seen :0
Incomplete Best-First random walk after 100001 steps, including 405 resets, run finished after 289 ms. (steps per millisecond=346 ) properties (out of 26) seen :0
Incomplete Best-First random walk after 100001 steps, including 462 resets, run finished after 293 ms. (steps per millisecond=341 ) properties (out of 26) seen :0
Incomplete Best-First random walk after 100001 steps, including 449 resets, run finished after 307 ms. (steps per millisecond=325 ) properties (out of 26) seen :1
Incomplete Best-First random walk after 100001 steps, including 382 resets, run finished after 376 ms. (steps per millisecond=265 ) properties (out of 25) seen :0
Incomplete Best-First random walk after 100001 steps, including 394 resets, run finished after 373 ms. (steps per millisecond=268 ) properties (out of 25) seen :0
Incomplete Best-First random walk after 100001 steps, including 410 resets, run finished after 338 ms. (steps per millisecond=295 ) properties (out of 25) seen :0
Incomplete Best-First random walk after 100000 steps, including 458 resets, run finished after 281 ms. (steps per millisecond=355 ) properties (out of 25) seen :0
Incomplete Best-First random walk after 100001 steps, including 455 resets, run finished after 333 ms. (steps per millisecond=300 ) properties (out of 25) seen :0
Incomplete Best-First random walk after 100001 steps, including 452 resets, run finished after 318 ms. (steps per millisecond=314 ) properties (out of 25) seen :4
Incomplete Best-First random walk after 100001 steps, including 383 resets, run finished after 344 ms. (steps per millisecond=290 ) properties (out of 21) seen :0
Incomplete Best-First random walk after 100001 steps, including 452 resets, run finished after 323 ms. (steps per millisecond=309 ) properties (out of 21) seen :0
Incomplete Best-First random walk after 100001 steps, including 368 resets, run finished after 317 ms. (steps per millisecond=315 ) properties (out of 21) seen :2
Incomplete Best-First random walk after 100001 steps, including 384 resets, run finished after 383 ms. (steps per millisecond=261 ) properties (out of 19) seen :0
Incomplete Best-First random walk after 100000 steps, including 409 resets, run finished after 395 ms. (steps per millisecond=253 ) properties (out of 19) seen :0
Running SMT prover for 19 properties.
// Phase 1: matrix 561 rows 67 cols
[2023-03-16 02:10:03] [INFO ] Computed 11 place invariants in 5 ms
[2023-03-16 02:10:04] [INFO ] [Real]Absence check using 11 positive place invariants in 4 ms returned sat
[2023-03-16 02:10:05] [INFO ] After 1695ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:19
[2023-03-16 02:10:05] [INFO ] [Nat]Absence check using 11 positive place invariants in 6 ms returned sat
[2023-03-16 02:10:07] [INFO ] After 1805ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :19
[2023-03-16 02:10:09] [INFO ] After 3582ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :19
Attempting to minimize the solution found.
Minimization took 1157 ms.
[2023-03-16 02:10:10] [INFO ] After 5067ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :19
Parikh walk visited 0 properties in 607 ms.
Support contains 20 out of 67 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 67/67 places, 561/561 transitions.
Graph (complete) has 811 edges and 67 vertex of which 66 are kept as prefixes of interest. Removing 1 places using SCC suffix rule.2 ms
Discarding 1 places :
Also discarding 0 output transitions
Free-agglomeration rule applied 3 times.
Iterating global reduction 0 with 3 rules applied. Total rules applied 4 place count 66 transition count 558
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 31 place count 63 transition count 534
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 1 with 1 rules applied. Total rules applied 32 place count 62 transition count 533
Applied a total of 32 rules in 99 ms. Remains 62 /67 variables (removed 5) and now considering 533/561 (removed 28) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 99 ms. Remains : 62/67 places, 533/561 transitions.
Incomplete random walk after 1000000 steps, including 52522 resets, run finished after 28198 ms. (steps per millisecond=35 ) properties (out of 19) seen :13
Incomplete Best-First random walk after 1000001 steps, including 3565 resets, run finished after 2193 ms. (steps per millisecond=455 ) properties (out of 6) seen :3
Incomplete Best-First random walk after 1000001 steps, including 3593 resets, run finished after 1317 ms. (steps per millisecond=759 ) properties (out of 3) seen :0
Incomplete Best-First random walk after 1000001 steps, including 3786 resets, run finished after 1110 ms. (steps per millisecond=900 ) properties (out of 3) seen :0
Running SMT prover for 3 properties.
// Phase 1: matrix 533 rows 62 cols
[2023-03-16 02:10:44] [INFO ] Computed 10 place invariants in 8 ms
[2023-03-16 02:10:44] [INFO ] [Real]Absence check using 10 positive place invariants in 4 ms returned sat
[2023-03-16 02:10:44] [INFO ] After 441ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:3
[2023-03-16 02:10:44] [INFO ] [Nat]Absence check using 10 positive place invariants in 4 ms returned sat
[2023-03-16 02:10:45] [INFO ] After 334ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :3
[2023-03-16 02:10:45] [INFO ] After 538ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :3
Attempting to minimize the solution found.
Minimization took 260 ms.
[2023-03-16 02:10:45] [INFO ] After 959ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :3
Parikh walk visited 0 properties in 1 ms.
Support contains 7 out of 62 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 62/62 places, 533/533 transitions.
Discarding 6 places :
Symmetric choice reduction at 0 with 6 rule applications. Total rules 6 place count 56 transition count 479
Iterating global reduction 0 with 6 rules applied. Total rules applied 12 place count 56 transition count 479
Free-agglomeration rule applied 5 times.
Iterating global reduction 0 with 5 rules applied. Total rules applied 17 place count 56 transition count 474
Reduce places removed 5 places and 0 transitions.
Ensure Unique test removed 40 transitions
Reduce isomorphic transitions removed 40 transitions.
Iterating post reduction 0 with 45 rules applied. Total rules applied 62 place count 51 transition count 434
Applied a total of 62 rules in 124 ms. Remains 51 /62 variables (removed 11) and now considering 434/533 (removed 99) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 124 ms. Remains : 51/62 places, 434/533 transitions.
Incomplete random walk after 1000000 steps, including 7728 resets, run finished after 5134 ms. (steps per millisecond=194 ) properties (out of 3) seen :2
Incomplete Best-First random walk after 1000001 steps, including 5808 resets, run finished after 543 ms. (steps per millisecond=1841 ) properties (out of 1) seen :0
Running SMT prover for 1 properties.
// Phase 1: matrix 434 rows 51 cols
[2023-03-16 02:10:51] [INFO ] Computed 10 place invariants in 7 ms
[2023-03-16 02:10:51] [INFO ] [Real]Absence check using 10 positive place invariants in 5 ms returned sat
[2023-03-16 02:10:51] [INFO ] After 295ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
[2023-03-16 02:10:51] [INFO ] [Nat]Absence check using 10 positive place invariants in 3 ms returned sat
[2023-03-16 02:10:52] [INFO ] After 212ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
[2023-03-16 02:10:52] [INFO ] After 296ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
Attempting to minimize the solution found.
Minimization took 117 ms.
[2023-03-16 02:10:52] [INFO ] After 477ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
Parikh walk visited 0 properties in 1 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 2 places :
Symmetric choice reduction at 0 with 2 rule applications. Total rules 2 place count 49 transition count 416
Iterating global reduction 0 with 2 rules applied. Total rules applied 4 place count 49 transition count 416
Applied a total of 4 rules in 42 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 55 ms. Remains : 49/51 places, 416/434 transitions.
Incomplete random walk after 1000000 steps, including 7660 resets, run finished after 4616 ms. (steps per millisecond=216 ) properties (out of 1) seen :0
Incomplete Best-First random walk after 1000001 steps, including 5822 resets, run finished after 529 ms. (steps per millisecond=1890 ) properties (out of 1) seen :0
Finished probabilistic random walk after 70461 steps, run visited all 1 properties in 164 ms. (steps per millisecond=429 )
Probabilistic random walk after 70461 steps, saw 11804 distinct states, run finished after 164 ms. (steps per millisecond=429 ) 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 127037 ms.
ITS solved all properties within timeout

BK_STOP 1678932658079

--------------------
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//
++ ls /home/mcc/BenchKit/bin//../reducer/bin//../../itstools//itstools/plugins/fr.lip6.move.gal.application.pnmcc_1.0.0.202303021504.jar
++ perl -pe 's/.*\.//g'
+ 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="lolaxred"
export BK_RESULT_DIR="/tmp/BK_RESULTS/OUTPUTS"
export BK_TIME_CONFINEMENT="1800"
export BK_MEMORY_CONFINEMENT="16384"
export BK_BIN_PATH="/home/mcc/BenchKit/bin/"

# this is specific to your benchmark or test

export BIN_DIR="$HOME/BenchKit/bin"

# remove the execution directoty if it exists (to avoid increse of .vmdk images)
if [ -d execution ] ; then
rm -rf execution
fi

# this is for BenchKit: explicit launching of the test
echo "====================================================================="
echo " Generated by BenchKit 2-5348"
echo " Executing tool lolaxred"
echo " Input is 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 r021-oct2-167813609100402"
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 ;