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.r025-oct2-167813612000402.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 smartxred
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 r025-oct2-167813612000402
=====================================================================

--------------------
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 1679008072417

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=smartxred
BK_EXAMINATION=QuasiLiveness
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=1800
BK_INPUT=AutonomousCar-PT-08a
Applying reductions before tool smart
Invoking reducer
Running Version 202303021504
[2023-03-16 23:07:55] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, QuasiLiveness, -timeout, 180, -rebuildPNML]
[2023-03-16 23:07:55] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2023-03-16 23:07:55] [INFO ] Load time of PNML (sax parser for PT used): 221 ms
[2023-03-16 23:07:55] [INFO ] Transformed 81 places.
[2023-03-16 23:07:55] [INFO ] Transformed 849 transitions.
[2023-03-16 23:07:55] [INFO ] Found NUPN structural information;
[2023-03-16 23:07:55] [INFO ] Parsed PT model containing 81 places and 849 transitions and 8894 arcs in 413 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 48 ms. Remains 69 /81 variables (removed 12) and now considering 563/849 (removed 286) transitions.
[2023-03-16 23:07:55] [INFO ] Flow matrix only has 562 transitions (discarded 1 similar events)
// Phase 1: matrix 562 rows 69 cols
[2023-03-16 23:07:55] [INFO ] Computed 13 place invariants in 10 ms
[2023-03-16 23:07:56] [INFO ] Implicit Places using invariants in 1143 ms returned [1]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 1176 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 8 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 1232 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 690 resets, run finished after 1326 ms. (steps per millisecond=7 ) properties (out of 518) seen :181
Incomplete Best-First random walk after 101 steps, including 2 resets, run finished after 2 ms. (steps per millisecond=50 ) properties (out of 337) 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 337) 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 337) 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 337) 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 337) 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 337) 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 337) 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 337) seen :0
Incomplete Best-First random walk after 101 steps, including 2 resets, run finished after 20 ms. (steps per millisecond=5 ) properties (out of 337) 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 337) 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 337) 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 337) 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 337) 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 337) 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 337) 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 337) 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 337) 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 337) 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 337) 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 337) 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 337) 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 337) 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 337) 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 337) 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 337) 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 337) 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 337) 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 337) 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 337) 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 337) 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 337) 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 337) 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 337) 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 337) 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 337) 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 337) 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 337) 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 337) 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 337) 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 337) 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 337) 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 337) 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 337) 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 337) 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 337) 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 337) 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 337) 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 337) 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 337) 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 337) seen :0
Running SMT prover for 337 properties.
[2023-03-16 23:07:58] [INFO ] Flow matrix only has 562 transitions (discarded 1 similar events)
// Phase 1: matrix 562 rows 68 cols
[2023-03-16 23:07:58] [INFO ] Computed 12 place invariants in 5 ms
[2023-03-16 23:08:07] [INFO ] [Real]Absence check using 12 positive place invariants in 7 ms returned sat
[2023-03-16 23:08:28] [INFO ] After 18203ms SMT Verify possible using state equation in real domain returned unsat :0 sat :140 real:197
[2023-03-16 23:08:28] [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 23:08:28] [WARNING] SMT solver failed with error :SMT solver raised an error when submitting script.... while checking expressions.
[2023-03-16 23:08:28] [INFO ] After 25067ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0
Fused 337 Parikh solutions to 1 different solutions.
Parikh walk visited 0 properties in 1 ms.
Support contains 52 out of 68 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 68/68 places, 563/563 transitions.
Drop transitions removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 0 with 2 rules applied. Total rules applied 2 place count 68 transition count 561
Applied a total of 2 rules in 128 ms. Remains 68 /68 variables (removed 0) and now considering 561/563 (removed 2) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 128 ms. Remains : 68/68 places, 561/563 transitions.
Interrupted random walk after 574558 steps, including 38594 resets, run timeout after 30001 ms. (steps per millisecond=19 ) properties seen 289
Incomplete Best-First random walk after 100001 steps, including 374 resets, run finished after 403 ms. (steps per millisecond=248 ) properties (out of 48) seen :3
Incomplete Best-First random walk after 100001 steps, including 389 resets, run finished after 391 ms. (steps per millisecond=255 ) properties (out of 45) seen :0
Incomplete Best-First random walk after 100001 steps, including 388 resets, run finished after 381 ms. (steps per millisecond=262 ) properties (out of 45) seen :0
Incomplete Best-First random walk after 100001 steps, including 374 resets, run finished after 450 ms. (steps per millisecond=222 ) properties (out of 45) seen :3
Incomplete Best-First random walk after 100001 steps, including 406 resets, run finished after 414 ms. (steps per millisecond=241 ) properties (out of 42) seen :3
Incomplete Best-First random walk after 100001 steps, including 451 resets, run finished after 407 ms. (steps per millisecond=245 ) properties (out of 39) seen :0
Incomplete Best-First random walk after 100001 steps, including 451 resets, run finished after 405 ms. (steps per millisecond=246 ) properties (out of 39) seen :1
Incomplete Best-First random walk after 100001 steps, including 390 resets, run finished after 411 ms. (steps per millisecond=243 ) properties (out of 38) seen :1
Incomplete Best-First random walk after 100001 steps, including 395 resets, run finished after 404 ms. (steps per millisecond=247 ) properties (out of 37) seen :0
Incomplete Best-First random walk after 100001 steps, including 384 resets, run finished after 405 ms. (steps per millisecond=246 ) properties (out of 37) seen :1
Incomplete Best-First random walk after 100001 steps, including 409 resets, run finished after 432 ms. (steps per millisecond=231 ) properties (out of 36) seen :1
Incomplete Best-First random walk after 100001 steps, including 454 resets, run finished after 317 ms. (steps per millisecond=315 ) properties (out of 35) seen :0
Incomplete Best-First random walk after 100000 steps, including 458 resets, run finished after 363 ms. (steps per millisecond=275 ) properties (out of 35) seen :1
Incomplete Best-First random walk after 100001 steps, including 455 resets, run finished after 404 ms. (steps per millisecond=247 ) properties (out of 34) seen :1
Incomplete Best-First random walk after 100001 steps, including 380 resets, run finished after 409 ms. (steps per millisecond=244 ) properties (out of 33) seen :0
Incomplete Best-First random walk after 100000 steps, including 385 resets, run finished after 403 ms. (steps per millisecond=248 ) properties (out of 33) seen :1
Incomplete Best-First random walk after 100001 steps, including 414 resets, run finished after 401 ms. (steps per millisecond=249 ) properties (out of 32) seen :0
Incomplete Best-First random walk after 100001 steps, including 408 resets, run finished after 409 ms. (steps per millisecond=244 ) properties (out of 32) seen :0
Incomplete Best-First random walk after 100001 steps, including 454 resets, run finished after 382 ms. (steps per millisecond=261 ) properties (out of 32) seen :0
Incomplete Best-First random walk after 100001 steps, including 456 resets, run finished after 303 ms. (steps per millisecond=330 ) properties (out of 32) seen :2
Incomplete Best-First random walk after 100001 steps, including 398 resets, run finished after 316 ms. (steps per millisecond=316 ) properties (out of 30) seen :0
Incomplete Best-First random walk after 100001 steps, including 381 resets, run finished after 293 ms. (steps per millisecond=341 ) properties (out of 30) seen :1
Incomplete Best-First random walk after 100001 steps, including 458 resets, run finished after 441 ms. (steps per millisecond=226 ) properties (out of 29) seen :0
Incomplete Best-First random walk after 100001 steps, including 455 resets, run finished after 404 ms. (steps per millisecond=247 ) properties (out of 29) seen :1
Incomplete Best-First random walk after 100000 steps, including 455 resets, run finished after 315 ms. (steps per millisecond=317 ) properties (out of 28) seen :1
Incomplete Best-First random walk after 100001 steps, including 452 resets, run finished after 321 ms. (steps per millisecond=311 ) properties (out of 27) seen :0
Incomplete Best-First random walk after 100001 steps, including 445 resets, run finished after 304 ms. (steps per millisecond=328 ) properties (out of 27) seen :1
Incomplete Best-First random walk after 100000 steps, including 365 resets, run finished after 314 ms. (steps per millisecond=318 ) properties (out of 26) seen :0
Incomplete Best-First random walk after 100001 steps, including 379 resets, run finished after 315 ms. (steps per millisecond=317 ) properties (out of 26) seen :0
Incomplete Best-First random walk after 100001 steps, including 446 resets, run finished after 304 ms. (steps per millisecond=328 ) properties (out of 26) seen :0
Incomplete Best-First random walk after 100001 steps, including 451 resets, run finished after 303 ms. (steps per millisecond=330 ) properties (out of 26) seen :1
Incomplete Best-First random walk after 100000 steps, including 379 resets, run finished after 313 ms. (steps per millisecond=319 ) properties (out of 25) seen :1
Incomplete Best-First random walk after 100001 steps, including 386 resets, run finished after 302 ms. (steps per millisecond=331 ) properties (out of 24) seen :0
Incomplete Best-First random walk after 100001 steps, including 459 resets, run finished after 305 ms. (steps per millisecond=327 ) properties (out of 24) seen :0
Incomplete Best-First random walk after 100001 steps, including 390 resets, run finished after 411 ms. (steps per millisecond=243 ) properties (out of 24) seen :0
Incomplete Best-First random walk after 100001 steps, including 404 resets, run finished after 418 ms. (steps per millisecond=239 ) properties (out of 24) seen :1
Running SMT prover for 23 properties.
// Phase 1: matrix 561 rows 68 cols
[2023-03-16 23:09:11] [INFO ] Computed 12 place invariants in 5 ms
[2023-03-16 23:09:11] [INFO ] [Real]Absence check using 12 positive place invariants in 5 ms returned sat
[2023-03-16 23:09:13] [INFO ] After 1734ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:23
[2023-03-16 23:09:13] [INFO ] [Nat]Absence check using 12 positive place invariants in 4 ms returned sat
[2023-03-16 23:09:15] [INFO ] After 1443ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :23
[2023-03-16 23:09:17] [INFO ] After 3783ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :23
Attempting to minimize the solution found.
Minimization took 1522 ms.
[2023-03-16 23:09:19] [INFO ] After 5553ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :23
Parikh walk visited 0 properties in 972 ms.
Support contains 22 out of 68 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 68/68 places, 561/561 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.2 ms
Discarding 2 places :
Also discarding 0 output transitions
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 2 place count 65 transition count 552
Iterating global reduction 0 with 1 rules applied. Total rules applied 3 place count 65 transition count 552
Free-agglomeration rule applied 1 times.
Iterating global reduction 0 with 1 rules applied. Total rules applied 4 place count 65 transition count 551
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 13 place count 64 transition count 543
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 1 with 1 rules applied. Total rules applied 14 place count 63 transition count 542
Applied a total of 14 rules in 143 ms. Remains 63 /68 variables (removed 5) and now considering 542/561 (removed 19) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 144 ms. Remains : 63/68 places, 542/561 transitions.
Interrupted random walk after 769768 steps, including 52224 resets, run timeout after 30001 ms. (steps per millisecond=25 ) properties seen 8
Incomplete Best-First random walk after 100001 steps, including 377 resets, run finished after 354 ms. (steps per millisecond=282 ) properties (out of 15) seen :0
Incomplete Best-First random walk after 100001 steps, including 369 resets, run finished after 373 ms. (steps per millisecond=268 ) properties (out of 15) seen :0
Incomplete Best-First random walk after 100001 steps, including 447 resets, run finished after 388 ms. (steps per millisecond=257 ) properties (out of 15) seen :0
Incomplete Best-First random walk after 100001 steps, including 366 resets, run finished after 393 ms. (steps per millisecond=254 ) properties (out of 15) seen :1
Incomplete Best-First random walk after 100001 steps, including 440 resets, run finished after 373 ms. (steps per millisecond=268 ) properties (out of 14) seen :0
Incomplete Best-First random walk after 100001 steps, including 375 resets, run finished after 359 ms. (steps per millisecond=278 ) properties (out of 14) seen :1
Incomplete Best-First random walk after 100001 steps, including 389 resets, run finished after 357 ms. (steps per millisecond=280 ) properties (out of 13) seen :0
Incomplete Best-First random walk after 100001 steps, including 447 resets, run finished after 361 ms. (steps per millisecond=277 ) properties (out of 13) seen :0
Incomplete Best-First random walk after 100001 steps, including 445 resets, run finished after 366 ms. (steps per millisecond=273 ) properties (out of 13) seen :0
Incomplete Best-First random walk after 100001 steps, including 374 resets, run finished after 386 ms. (steps per millisecond=259 ) properties (out of 13) seen :0
Incomplete Best-First random walk after 100001 steps, including 463 resets, run finished after 352 ms. (steps per millisecond=284 ) properties (out of 13) seen :0
Incomplete Best-First random walk after 100001 steps, including 380 resets, run finished after 381 ms. (steps per millisecond=262 ) properties (out of 13) seen :0
Incomplete Best-First random walk after 100001 steps, including 380 resets, run finished after 361 ms. (steps per millisecond=277 ) properties (out of 13) seen :0
Incomplete Best-First random walk after 100001 steps, including 368 resets, run finished after 365 ms. (steps per millisecond=273 ) properties (out of 13) seen :0
Incomplete Best-First random walk after 100001 steps, including 402 resets, run finished after 374 ms. (steps per millisecond=267 ) properties (out of 13) seen :0
Running SMT prover for 13 properties.
// Phase 1: matrix 542 rows 63 cols
[2023-03-16 23:09:55] [INFO ] Computed 10 place invariants in 3 ms
[2023-03-16 23:09:55] [INFO ] [Real]Absence check using 10 positive place invariants in 2 ms returned sat
[2023-03-16 23:09:57] [INFO ] After 1321ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:13
[2023-03-16 23:09:57] [INFO ] [Nat]Absence check using 10 positive place invariants in 2 ms returned sat
[2023-03-16 23:09:58] [INFO ] After 925ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :13
[2023-03-16 23:09:59] [INFO ] After 2076ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :13
Attempting to minimize the solution found.
Minimization took 913 ms.
[2023-03-16 23:10:00] [INFO ] After 3081ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :13
Parikh walk visited 0 properties in 2 ms.
Support contains 15 out of 63 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 63/63 places, 542/542 transitions.
Discarding 2 places :
Symmetric choice reduction at 0 with 2 rule applications. Total rules 2 place count 61 transition count 524
Iterating global reduction 0 with 2 rules applied. Total rules applied 4 place count 61 transition count 524
Free-agglomeration rule applied 2 times.
Iterating global reduction 0 with 2 rules applied. Total rules applied 6 place count 61 transition count 522
Reduce places removed 2 places and 0 transitions.
Ensure Unique test removed 16 transitions
Reduce isomorphic transitions removed 16 transitions.
Iterating post reduction 0 with 18 rules applied. Total rules applied 24 place count 59 transition count 506
Applied a total of 24 rules in 52 ms. Remains 59 /63 variables (removed 4) and now considering 506/542 (removed 36) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 62 ms. Remains : 59/63 places, 506/542 transitions.
Incomplete random walk after 1000000 steps, including 52084 resets, run finished after 25867 ms. (steps per millisecond=38 ) properties (out of 13) seen :9
Incomplete Best-First random walk after 1000001 steps, including 3977 resets, run finished after 2006 ms. (steps per millisecond=498 ) properties (out of 4) seen :1
Incomplete Best-First random walk after 1000001 steps, including 3970 resets, run finished after 1879 ms. (steps per millisecond=532 ) properties (out of 3) seen :1
Incomplete Best-First random walk after 1000001 steps, including 3915 resets, run finished after 631 ms. (steps per millisecond=1584 ) properties (out of 2) seen :1
Incomplete Best-First random walk after 1000001 steps, including 3769 resets, run finished after 569 ms. (steps per millisecond=1757 ) properties (out of 1) seen :0
Running SMT prover for 1 properties.
// Phase 1: matrix 506 rows 59 cols
[2023-03-16 23:10:31] [INFO ] Computed 10 place invariants in 7 ms
[2023-03-16 23:10:31] [INFO ] [Real]Absence check using 10 positive place invariants in 4 ms returned sat
[2023-03-16 23:10:32] [INFO ] After 751ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
[2023-03-16 23:10:32] [INFO ] [Nat]Absence check using 10 positive place invariants in 78 ms returned sat
[2023-03-16 23:10:32] [INFO ] After 466ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
[2023-03-16 23:10:32] [INFO ] After 573ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
Attempting to minimize the solution found.
Minimization took 79 ms.
[2023-03-16 23:10:32] [INFO ] After 846ms 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 59 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 59/59 places, 506/506 transitions.
Discarding 5 places :
Symmetric choice reduction at 0 with 5 rule applications. Total rules 5 place count 54 transition count 461
Iterating global reduction 0 with 5 rules applied. Total rules applied 10 place count 54 transition count 461
Free-agglomeration rule applied 5 times.
Iterating global reduction 0 with 5 rules applied. Total rules applied 15 place count 54 transition count 456
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 60 place count 49 transition count 416
Applied a total of 60 rules in 72 ms. Remains 49 /59 variables (removed 10) and now considering 416/506 (removed 90) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 72 ms. Remains : 49/59 places, 416/506 transitions.
Incomplete random walk after 1000000 steps, including 7714 resets, run finished after 5071 ms. (steps per millisecond=197 ) properties (out of 1) seen :0
Incomplete Best-First random walk after 1000001 steps, including 5822 resets, run finished after 547 ms. (steps per millisecond=1828 ) properties (out of 1) seen :0
Finished probabilistic random walk after 67365 steps, run visited all 1 properties in 183 ms. (steps per millisecond=368 )
Probabilistic random walk after 67365 steps, saw 11307 distinct states, run finished after 183 ms. (steps per millisecond=368 ) 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 163736 ms.
ITS solved all properties within timeout

BK_STOP 1679008239151

--------------------
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="AutonomousCar-PT-08a"
export BK_EXAMINATION="QuasiLiveness"
export BK_TOOL="smartxred"
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 smartxred"
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 r025-oct2-167813612000402"
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 ;