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.r312-tall-167873965000210.qcow2', fmt=qcow2 size=4294967296 backing_file=/data/fkordon/mcc2023-input.qcow2 cluster_size=65536 lazy_refcounts=off refcount_bits=16
Waiting for the VM to be ready (probing ssh)
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=====================================================================
Generated by BenchKit 2-5348
Executing tool marciexred
Input is PhilosophersDyn-PT-20, examination is OneSafe
Time confinement is 1800 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r312-tall-167873965000210
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 52M
-rw-r--r-- 1 mcc users 118K Feb 26 13:09 CTLCardinality.txt
-rw-r--r-- 1 mcc users 462K Feb 26 13:09 CTLCardinality.xml
-rw-r--r-- 1 mcc users 2.0M Feb 26 13:04 CTLFireability.txt
-rw-r--r-- 1 mcc users 9.6M Feb 26 13:04 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K Jan 29 11:40 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 66K Feb 25 16:34 LTLCardinality.txt
-rw-r--r-- 1 mcc users 189K Feb 25 16:34 LTLCardinality.xml
-rw-r--r-- 1 mcc users 1.6M Feb 25 16:34 LTLFireability.txt
-rw-r--r-- 1 mcc users 5.6M Feb 25 16:34 LTLFireability.xml
-rw-r--r-- 1 mcc users 335K Feb 26 14:31 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 1.4M Feb 26 14:31 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 3.0M Feb 26 14:22 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 15M Feb 26 14:22 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 12K Feb 25 16:34 UpperBounds.txt
-rw-r--r-- 1 mcc users 25K Feb 25 16:34 UpperBounds.xml
-rw-r--r-- 1 mcc users 5 Mar 5 18:23 equiv_col
-rw-r--r-- 1 mcc users 3 Mar 5 18:23 instance
-rw-r--r-- 1 mcc users 6 Mar 5 18:23 iscolored
-rw-r--r-- 1 mcc users 14M Mar 5 18:23 model.pnml

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

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

The expected result is a vector of booleans
BOOL_VECTOR

FORMULA_NAME OneSafe

=== Now, execution of the tool begins

BK_START 1678882407204

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=marciexred
BK_EXAMINATION=OneSafe
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=1800
BK_INPUT=PhilosophersDyn-PT-20
Applying reductions before tool marcie
Invoking reducer
Running Version 202303021504
[2023-03-15 12:13:28] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, OneSafe, -timeout, 180, -rebuildPNML]
[2023-03-15 12:13:28] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2023-03-15 12:13:29] [INFO ] Load time of PNML (sax parser for PT used): 706 ms
[2023-03-15 12:13:29] [INFO ] Transformed 540 places.
[2023-03-15 12:13:29] [INFO ] Transformed 17220 transitions.
[2023-03-15 12:13:29] [INFO ] Parsed PT model containing 540 places and 17220 transitions and 140780 arcs in 870 ms.
Ensure Unique test removed 190 transitions
Reduce redundant transitions removed 190 transitions.
Normalized transition count is 15510 out of 17030 initially.
// Phase 1: matrix 15510 rows 540 cols
[2023-03-15 12:13:30] [INFO ] Computed 79 place invariants in 1138 ms
[2023-03-15 12:13:30] [INFO ] Rough structural analysis with invariants proved 340 places are one safe in 1159 ms (including invariant computation).
[2023-03-15 12:13:31] [INFO ] [Real]Absence check using 53 positive place invariants in 70 ms proved 0 places are One-Safe.
[2023-03-15 12:13:31] [INFO ] [Real]Absence check using 53 positive and 26 generalized place invariants in 94 ms proved 180 places are One-Safe.
[2023-03-15 12:13:31] [INFO ] Flow matrix only has 15510 transitions (discarded 1520 similar events)
[2023-03-15 12:13:32] [INFO ] [Real] State equation constraints in 1502 ms proved 0 places are One-Safe.
Incomplete random walk after 10000 steps, including 1144 resets, run finished after 1087 ms. (steps per millisecond=9 ) properties (out of 200) seen :0
Incomplete Best-First random walk after 101 steps, including 0 resets, run finished after 5 ms. (steps per millisecond=20 ) properties (out of 200) seen :0
Incomplete Best-First random walk after 101 steps, including 0 resets, run finished after 4 ms. (steps per millisecond=25 ) properties (out of 200) seen :0
Incomplete Best-First random walk after 101 steps, including 0 resets, run finished after 4 ms. (steps per millisecond=25 ) properties (out of 200) seen :0
Incomplete Best-First random walk after 101 steps, including 0 resets, run finished after 3 ms. (steps per millisecond=33 ) properties (out of 200) seen :0
Incomplete Best-First random walk after 101 steps, including 0 resets, run finished after 3 ms. (steps per millisecond=33 ) properties (out of 200) seen :0
Incomplete Best-First random walk after 101 steps, including 0 resets, run finished after 2 ms. (steps per millisecond=50 ) properties (out of 200) seen :0
Incomplete Best-First random walk after 101 steps, including 0 resets, run finished after 2 ms. (steps per millisecond=50 ) properties (out of 200) seen :0
Incomplete Best-First random walk after 101 steps, including 0 resets, run finished after 2 ms. (steps per millisecond=50 ) properties (out of 200) seen :0
Incomplete Best-First random walk after 101 steps, including 0 resets, run finished after 2 ms. (steps per millisecond=50 ) properties (out of 200) seen :0
Incomplete Best-First random walk after 101 steps, including 0 resets, run finished after 3 ms. (steps per millisecond=33 ) properties (out of 200) seen :0
Incomplete Best-First random walk after 101 steps, including 0 resets, run finished after 2 ms. (steps per millisecond=50 ) properties (out of 200) seen :0
Incomplete Best-First random walk after 101 steps, including 0 resets, run finished after 3 ms. (steps per millisecond=33 ) properties (out of 200) seen :0
Incomplete Best-First random walk after 101 steps, including 0 resets, run finished after 2 ms. (steps per millisecond=50 ) properties (out of 200) seen :0
Incomplete Best-First random walk after 101 steps, including 0 resets, run finished after 3 ms. (steps per millisecond=33 ) properties (out of 200) seen :0
Incomplete Best-First random walk after 101 steps, including 0 resets, run finished after 3 ms. (steps per millisecond=33 ) properties (out of 200) seen :0
Incomplete Best-First random walk after 101 steps, including 0 resets, run finished after 2 ms. (steps per millisecond=50 ) properties (out of 200) seen :0
Incomplete Best-First random walk after 101 steps, including 0 resets, run finished after 3 ms. (steps per millisecond=33 ) properties (out of 200) seen :0
Incomplete Best-First random walk after 101 steps, including 0 resets, run finished after 2 ms. (steps per millisecond=50 ) properties (out of 200) seen :0
Incomplete Best-First random walk after 101 steps, including 0 resets, run finished after 2 ms. (steps per millisecond=50 ) properties (out of 200) seen :0
Incomplete Best-First random walk after 101 steps, including 0 resets, run finished after 2 ms. (steps per millisecond=50 ) properties (out of 200) seen :0
Incomplete Best-First random walk after 101 steps, including 0 resets, run finished after 3 ms. (steps per millisecond=33 ) properties (out of 200) seen :0
Incomplete Best-First random walk after 101 steps, including 0 resets, run finished after 2 ms. (steps per millisecond=50 ) properties (out of 200) seen :0
Incomplete Best-First random walk after 101 steps, including 0 resets, run finished after 3 ms. (steps per millisecond=33 ) properties (out of 200) seen :0
Incomplete Best-First random walk after 101 steps, including 0 resets, run finished after 2 ms. (steps per millisecond=50 ) properties (out of 200) seen :0
Incomplete Best-First random walk after 101 steps, including 0 resets, run finished after 3 ms. (steps per millisecond=33 ) properties (out of 200) seen :0
Incomplete Best-First random walk after 101 steps, including 0 resets, run finished after 2 ms. (steps per millisecond=50 ) properties (out of 200) seen :0
Incomplete Best-First random walk after 101 steps, including 0 resets, run finished after 3 ms. (steps per millisecond=33 ) properties (out of 200) seen :0
Incomplete Best-First random walk after 101 steps, including 0 resets, run finished after 2 ms. (steps per millisecond=50 ) properties (out of 200) seen :0
Incomplete Best-First random walk after 101 steps, including 0 resets, run finished after 2 ms. (steps per millisecond=50 ) properties (out of 200) seen :0
Incomplete Best-First random walk after 101 steps, including 0 resets, run finished after 2 ms. (steps per millisecond=50 ) properties (out of 200) seen :0
Incomplete Best-First random walk after 101 steps, including 0 resets, run finished after 3 ms. (steps per millisecond=33 ) properties (out of 200) seen :0
Incomplete Best-First random walk after 101 steps, including 0 resets, run finished after 2 ms. (steps per millisecond=50 ) properties (out of 200) seen :0
Incomplete Best-First random walk after 101 steps, including 0 resets, run finished after 2 ms. (steps per millisecond=50 ) properties (out of 200) seen :0
Incomplete Best-First random walk after 101 steps, including 0 resets, run finished after 2 ms. (steps per millisecond=50 ) properties (out of 200) seen :0
Incomplete Best-First random walk after 101 steps, including 0 resets, run finished after 2 ms. (steps per millisecond=50 ) properties (out of 200) seen :0
Incomplete Best-First random walk after 101 steps, including 0 resets, run finished after 3 ms. (steps per millisecond=33 ) properties (out of 200) seen :0
Incomplete Best-First random walk after 101 steps, including 0 resets, run finished after 2 ms. (steps per millisecond=50 ) properties (out of 200) seen :0
Incomplete Best-First random walk after 101 steps, including 0 resets, run finished after 2 ms. (steps per millisecond=50 ) properties (out of 200) seen :0
Incomplete Best-First random walk after 101 steps, including 0 resets, run finished after 2 ms. (steps per millisecond=50 ) properties (out of 200) seen :0
Incomplete Best-First random walk after 101 steps, including 0 resets, run finished after 2 ms. (steps per millisecond=50 ) properties (out of 200) seen :0
Incomplete Best-First random walk after 101 steps, including 0 resets, run finished after 2 ms. (steps per millisecond=50 ) properties (out of 200) seen :0
Incomplete Best-First random walk after 101 steps, including 0 resets, run finished after 2 ms. (steps per millisecond=50 ) properties (out of 200) seen :0
Incomplete Best-First random walk after 101 steps, including 0 resets, run finished after 2 ms. (steps per millisecond=50 ) properties (out of 200) seen :0
Incomplete Best-First random walk after 101 steps, including 0 resets, run finished after 2 ms. (steps per millisecond=50 ) properties (out of 200) seen :0
Incomplete Best-First random walk after 101 steps, including 0 resets, run finished after 3 ms. (steps per millisecond=33 ) properties (out of 200) seen :0
Incomplete Best-First random walk after 101 steps, including 0 resets, run finished after 2 ms. (steps per millisecond=50 ) properties (out of 200) seen :0
Incomplete Best-First random walk after 101 steps, including 0 resets, run finished after 2 ms. (steps per millisecond=50 ) properties (out of 200) seen :0
Incomplete Best-First random walk after 101 steps, including 0 resets, run finished after 2 ms. (steps per millisecond=50 ) properties (out of 200) seen :0
Incomplete Best-First random walk after 101 steps, including 0 resets, run finished after 2 ms. (steps per millisecond=50 ) properties (out of 200) seen :0
Incomplete Best-First random walk after 101 steps, including 0 resets, run finished after 3 ms. (steps per millisecond=33 ) properties (out of 200) seen :0
Interrupted probabilistic random walk after 17935 steps, run timeout after 3001 ms. (steps per millisecond=5 ) properties seen :{}
Probabilistic random walk after 17935 steps, saw 5211 distinct states, run finished after 3002 ms. (steps per millisecond=5 ) properties seen :0
Running SMT prover for 200 properties.
[2023-03-15 12:13:37] [INFO ] Flow matrix only has 15510 transitions (discarded 1520 similar events)
// Phase 1: matrix 15510 rows 540 cols
[2023-03-15 12:13:38] [INFO ] Computed 79 place invariants in 1052 ms
[2023-03-15 12:13:40] [INFO ] [Real]Absence check using 53 positive place invariants in 12 ms returned sat
[2023-03-15 12:13:40] [INFO ] [Real]Absence check using 53 positive and 26 generalized place invariants in 39 ms returned sat
[2023-03-15 12:13:40] [INFO ] After 2041ms SMT Verify possible using all constraints in real domain returned unsat :180 sat :0 real:20
[2023-03-15 12:13:41] [INFO ] [Nat]Absence check using 53 positive place invariants in 9 ms returned sat
[2023-03-15 12:13:41] [INFO ] [Nat]Absence check using 53 positive and 26 generalized place invariants in 28 ms returned sat
[2023-03-15 12:14:06] [INFO ] After 24576ms SMT Verify possible using state equation in natural domain returned unsat :180 sat :19
[2023-03-15 12:14:06] [INFO ] State equation strengthened by 8060 read => feed constraints.
java.lang.RuntimeException: SMT solver raised an error when submitting script. Raised (error "Failed to assert expression: java.io.IOException: Stream close...
at fr.lip6.move.gal.structural.smt.SMTUtils.execAndCheckResult(SMTUtils.java:251)
at fr.lip6.move.gal.structural.smt.DeadlockTester.verifyPossible(DeadlockTester.java:642)
at fr.lip6.move.gal.structural.smt.DeadlockTester.testUnreachableWithSMTIncremental(DeadlockTester.java:350)
at fr.lip6.move.gal.structural.smt.DeadlockTester.testUnreachableWithSMT(DeadlockTester.java:223)
at fr.lip6.move.gal.application.solver.ReachabilitySolver.applyReductions(ReachabilitySolver.java:95)
at fr.lip6.move.gal.application.solver.global.GlobalPropertySolver.applyReachabilitySolver(GlobalPropertySolver.java:724)
at fr.lip6.move.gal.application.solver.global.GlobalPropertySolver.solveProperty(GlobalPropertySolver.java:558)
at fr.lip6.move.gal.application.solver.global.GlobalPropertySolver.preSolveLiveness(GlobalPropertySolver.java:412)
at fr.lip6.move.gal.application.solver.global.GlobalPropertySolver.preStableMarking(GlobalPropertySolver.java:321)
at fr.lip6.move.gal.application.solver.global.GlobalPropertySolver.solveProperty(GlobalPropertySolver.java:294)
at fr.lip6.move.gal.application.Application.startNoEx(Application.java:386)
at fr.lip6.move.gal.application.Application.start(Application.java:178)
at fr.lip6.move.gal.itscl.application.Application.start(Application.java:45)
at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:203)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:136)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:104)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:402)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:255)
at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:77)
at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.base/java.lang.reflect.Method.invoke(Method.java:568)
at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:659)
at org.eclipse.equinox.launcher.Main.basicRun(Main.java:596)
at org.eclipse.equinox.launcher.Main.run(Main.java:1467)
at org.eclipse.equinox.launcher.Main.main(Main.java:1440)
[2023-03-15 12:14:06] [WARNING] SMT solver failed with error :SMT solver raised an error when submitting script.... while checking expressions.
[2023-03-15 12:14:06] [INFO ] After 25430ms SMT Verify possible using all constraints in natural domain returned unsat :180 sat :0 real:20
Fused 200 Parikh solutions to 13 different solutions.
Parikh walk visited 0 properties in 4040 ms.
Support contains 20 out of 540 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 540/540 places, 17030/17030 transitions.
Applied a total of 0 rules in 4080 ms. Remains 540 /540 variables (removed 0) and now considering 17030/17030 (removed 0) transitions.
[2023-03-15 12:14:14] [INFO ] Flow matrix only has 15510 transitions (discarded 1520 similar events)
[2023-03-15 12:14:14] [INFO ] Invariant cache hit.
[2023-03-15 12:14:22] [INFO ] Dead Transitions using invariants and state equation in 7845 ms found 1560 transitions.
Found 1560 dead transitions using SMT.
Drop transitions removed 1560 transitions
Dead transitions reduction (with SMT) triggered by suspicious arc values removed 1560 transitions.
Starting structural reductions in REACHABILITY mode, iteration 1 : 540/540 places, 15470/17030 transitions.
Applied a total of 0 rules in 3286 ms. Remains 540 /540 variables (removed 0) and now considering 15470/15470 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 15224 ms. Remains : 540/540 places, 15470/17030 transitions.
Interrupted random walk after 435418 steps, including 49880 resets, run timeout after 30001 ms. (steps per millisecond=14 ) properties seen 0
Incomplete Best-First random walk after 100001 steps, including 348 resets, run finished after 281 ms. (steps per millisecond=355 ) properties (out of 20) seen :0
Incomplete Best-First random walk after 100001 steps, including 347 resets, run finished after 294 ms. (steps per millisecond=340 ) properties (out of 20) seen :0
Incomplete Best-First random walk after 100001 steps, including 350 resets, run finished after 286 ms. (steps per millisecond=349 ) properties (out of 20) seen :0
Incomplete Best-First random walk after 100001 steps, including 350 resets, run finished after 293 ms. (steps per millisecond=341 ) properties (out of 20) seen :0
Incomplete Best-First random walk after 100001 steps, including 349 resets, run finished after 291 ms. (steps per millisecond=343 ) properties (out of 20) seen :0
Incomplete Best-First random walk after 100001 steps, including 347 resets, run finished after 298 ms. (steps per millisecond=335 ) properties (out of 20) seen :0
Incomplete Best-First random walk after 100001 steps, including 347 resets, run finished after 302 ms. (steps per millisecond=331 ) properties (out of 20) seen :0
Incomplete Best-First random walk after 100001 steps, including 348 resets, run finished after 293 ms. (steps per millisecond=341 ) properties (out of 20) seen :0
Incomplete Best-First random walk after 100001 steps, including 346 resets, run finished after 289 ms. (steps per millisecond=346 ) properties (out of 20) seen :0
Incomplete Best-First random walk after 100001 steps, including 349 resets, run finished after 271 ms. (steps per millisecond=369 ) properties (out of 20) seen :0
Incomplete Best-First random walk after 100000 steps, including 347 resets, run finished after 273 ms. (steps per millisecond=366 ) properties (out of 20) seen :0
Incomplete Best-First random walk after 100001 steps, including 349 resets, run finished after 270 ms. (steps per millisecond=370 ) properties (out of 20) seen :0
Incomplete Best-First random walk after 100001 steps, including 349 resets, run finished after 279 ms. (steps per millisecond=358 ) properties (out of 20) seen :0
Incomplete Best-First random walk after 100001 steps, including 347 resets, run finished after 281 ms. (steps per millisecond=355 ) properties (out of 20) seen :0
Incomplete Best-First random walk after 100001 steps, including 348 resets, run finished after 275 ms. (steps per millisecond=363 ) properties (out of 20) seen :0
Incomplete Best-First random walk after 100001 steps, including 350 resets, run finished after 264 ms. (steps per millisecond=378 ) properties (out of 20) seen :0
Incomplete Best-First random walk after 100001 steps, including 349 resets, run finished after 262 ms. (steps per millisecond=381 ) properties (out of 20) seen :0
Incomplete Best-First random walk after 100001 steps, including 347 resets, run finished after 271 ms. (steps per millisecond=369 ) properties (out of 20) seen :0
Incomplete Best-First random walk after 100001 steps, including 347 resets, run finished after 254 ms. (steps per millisecond=393 ) properties (out of 20) seen :0
Incomplete Best-First random walk after 100001 steps, including 349 resets, run finished after 267 ms. (steps per millisecond=374 ) properties (out of 20) seen :0
Interrupted probabilistic random walk after 749548 steps, run timeout after 105001 ms. (steps per millisecond=7 ) properties seen :{}
Probabilistic random walk after 749548 steps, saw 196617 distinct states, run finished after 105002 ms. (steps per millisecond=7 ) properties seen :0
Running SMT prover for 20 properties.
// Phase 1: matrix 15470 rows 540 cols
[2023-03-15 12:16:48] [INFO ] Computed 79 place invariants in 1847 ms
[2023-03-15 12:16:48] [INFO ] [Real]Absence check using 27 positive place invariants in 6 ms returned sat
[2023-03-15 12:16:48] [INFO ] [Real]Absence check using 27 positive and 52 generalized place invariants in 46 ms returned sat
[2023-03-15 12:16:48] [INFO ] After 461ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:20
[2023-03-15 12:16:49] [INFO ] [Nat]Absence check using 27 positive place invariants in 6 ms returned sat
[2023-03-15 12:16:49] [INFO ] [Nat]Absence check using 27 positive and 52 generalized place invariants in 42 ms returned sat
[2023-03-15 12:17:26] [INFO ] After 37150ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :20
[2023-03-15 12:17:26] [INFO ] State equation strengthened by 8020 read => feed constraints.
[2023-03-15 12:20:28] [INFO ] After 182094ms SMT Verify possible using 8020 Read/Feed constraints in natural domain returned unsat :0 sat :0
[2023-03-15 12:20:28] [INFO ] After 219819ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :0
Parikh walk visited 0 properties in 9372 ms.
Support contains 20 out of 540 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 540/540 places, 15470/15470 transitions.
Applied a total of 0 rules in 3146 ms. Remains 540 /540 variables (removed 0) and now considering 15470/15470 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 3146 ms. Remains : 540/540 places, 15470/15470 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 540/540 places, 15470/15470 transitions.
Applied a total of 0 rules in 3175 ms. Remains 540 /540 variables (removed 0) and now considering 15470/15470 (removed 0) transitions.
[2023-03-15 12:20:44] [INFO ] Invariant cache hit.
[2023-03-15 12:20:46] [INFO ] Implicit Places using invariants in 2379 ms returned []
Implicit Place search using SMT only with invariants took 2380 ms to find 0 implicit places.
[2023-03-15 12:20:46] [INFO ] Invariant cache hit.
[2023-03-15 12:20:53] [INFO ] Dead Transitions using invariants and state equation in 7238 ms found 0 transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 12797 ms. Remains : 540/540 places, 15470/15470 transitions.
Incomplete random walk after 100000 steps, including 11433 resets, run finished after 6607 ms. (steps per millisecond=15 ) properties (out of 20) seen :0
Running SMT prover for 20 properties.
[2023-03-15 12:21:00] [INFO ] Invariant cache hit.
[2023-03-15 12:21:00] [INFO ] [Real]Absence check using 27 positive place invariants in 5 ms returned sat
[2023-03-15 12:21:00] [INFO ] [Real]Absence check using 27 positive and 52 generalized place invariants in 43 ms returned sat
[2023-03-15 12:21:25] [INFO ] After 24861ms SMT Verify possible using state equation in real domain returned unsat :0 sat :20
[2023-03-15 12:21:26] [INFO ] State equation strengthened by 8020 read => feed constraints.
java.lang.RuntimeException: SMT solver raised an error when submitting script. Raised (error "Failed to assert expression: java.io.IOException: Broken pipe ...
at fr.lip6.move.gal.structural.smt.SMTUtils.execAndCheckResult(SMTUtils.java:251)
at fr.lip6.move.gal.structural.smt.DeadlockTester.checkResults(DeadlockTester.java:797)
at fr.lip6.move.gal.structural.smt.DeadlockTester.verifyPossible(DeadlockTester.java:644)
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.structural.smt.DeadlockTester.testUnreachableWithSMT(DeadlockTester.java:215)
at fr.lip6.move.gal.application.solver.logic.AtomicReducerSR.checkAtomicPropositions(AtomicReducerSR.java:267)
at fr.lip6.move.gal.application.solver.logic.AtomicReducerSR.strongReductions(AtomicReducerSR.java:46)
at fr.lip6.move.gal.application.solver.ReachabilitySolver.applyReductions(ReachabilitySolver.java:225)
at fr.lip6.move.gal.application.solver.global.GlobalPropertySolver.applyReachabilitySolver(GlobalPropertySolver.java:724)
at fr.lip6.move.gal.application.solver.global.GlobalPropertySolver.solveProperty(GlobalPropertySolver.java:558)
at fr.lip6.move.gal.application.solver.global.GlobalPropertySolver.preSolveLiveness(GlobalPropertySolver.java:412)
at fr.lip6.move.gal.application.solver.global.GlobalPropertySolver.preStableMarking(GlobalPropertySolver.java:321)
at fr.lip6.move.gal.application.solver.global.GlobalPropertySolver.solveProperty(GlobalPropertySolver.java:294)
at fr.lip6.move.gal.application.Application.startNoEx(Application.java:386)
at fr.lip6.move.gal.application.Application.start(Application.java:178)
at fr.lip6.move.gal.itscl.application.Application.start(Application.java:45)
at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:203)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:136)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:104)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:402)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:255)
at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:77)
at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.base/java.lang.reflect.Method.invoke(Method.java:568)
at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:659)
at org.eclipse.equinox.launcher.Main.basicRun(Main.java:596)
at org.eclipse.equinox.launcher.Main.run(Main.java:1467)
at org.eclipse.equinox.launcher.Main.main(Main.java:1440)
[2023-03-15 12:22:40] [WARNING] SMT solver failed with error :SMT solver raised an error when submitting script.... while checking expressions.
[2023-03-15 12:22:40] [INFO ] After 100045ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0
Interrupted random walk after 430612 steps, including 49265 resets, run timeout after 30001 ms. (steps per millisecond=14 ) properties seen 0
Incomplete Best-First random walk after 100001 steps, including 346 resets, run finished after 270 ms. (steps per millisecond=370 ) properties (out of 20) seen :0
Incomplete Best-First random walk after 100001 steps, including 349 resets, run finished after 270 ms. (steps per millisecond=370 ) properties (out of 20) seen :0
Incomplete Best-First random walk after 100001 steps, including 348 resets, run finished after 271 ms. (steps per millisecond=369 ) properties (out of 20) seen :0
Incomplete Best-First random walk after 100001 steps, including 347 resets, run finished after 269 ms. (steps per millisecond=371 ) properties (out of 20) seen :0
Incomplete Best-First random walk after 100001 steps, including 349 resets, run finished after 275 ms. (steps per millisecond=363 ) properties (out of 20) seen :0
Incomplete Best-First random walk after 100001 steps, including 350 resets, run finished after 273 ms. (steps per millisecond=366 ) properties (out of 20) seen :0
Incomplete Best-First random walk after 100001 steps, including 348 resets, run finished after 271 ms. (steps per millisecond=369 ) properties (out of 20) seen :0
Incomplete Best-First random walk after 100000 steps, including 349 resets, run finished after 276 ms. (steps per millisecond=362 ) properties (out of 20) seen :0
Incomplete Best-First random walk after 100001 steps, including 350 resets, run finished after 272 ms. (steps per millisecond=367 ) properties (out of 20) seen :0
Incomplete Best-First random walk after 100001 steps, including 349 resets, run finished after 274 ms. (steps per millisecond=364 ) properties (out of 20) seen :0
Incomplete Best-First random walk after 100001 steps, including 348 resets, run finished after 288 ms. (steps per millisecond=347 ) properties (out of 20) seen :0
Incomplete Best-First random walk after 100001 steps, including 349 resets, run finished after 266 ms. (steps per millisecond=375 ) properties (out of 20) seen :0
Incomplete Best-First random walk after 100001 steps, including 350 resets, run finished after 274 ms. (steps per millisecond=364 ) properties (out of 20) seen :0
Incomplete Best-First random walk after 100001 steps, including 349 resets, run finished after 274 ms. (steps per millisecond=364 ) properties (out of 20) seen :0
Incomplete Best-First random walk after 100001 steps, including 349 resets, run finished after 278 ms. (steps per millisecond=359 ) properties (out of 20) seen :0
Incomplete Best-First random walk after 100001 steps, including 348 resets, run finished after 282 ms. (steps per millisecond=354 ) properties (out of 20) seen :0
Incomplete Best-First random walk after 100001 steps, including 348 resets, run finished after 277 ms. (steps per millisecond=361 ) properties (out of 20) seen :0
Incomplete Best-First random walk after 100001 steps, including 349 resets, run finished after 274 ms. (steps per millisecond=364 ) properties (out of 20) seen :0
Incomplete Best-First random walk after 100001 steps, including 349 resets, run finished after 259 ms. (steps per millisecond=386 ) properties (out of 20) seen :0
Incomplete Best-First random walk after 100001 steps, including 349 resets, run finished after 279 ms. (steps per millisecond=358 ) properties (out of 20) seen :0
Interrupted probabilistic random walk after 751519 steps, run timeout after 105001 ms. (steps per millisecond=7 ) properties seen :{}
Probabilistic random walk after 751519 steps, saw 197071 distinct states, run finished after 105001 ms. (steps per millisecond=7 ) properties seen :0
Running SMT prover for 20 properties.
[2023-03-15 12:25:01] [INFO ] Invariant cache hit.
[2023-03-15 12:25:01] [INFO ] [Real]Absence check using 27 positive place invariants in 6 ms returned sat
[2023-03-15 12:25:01] [INFO ] [Real]Absence check using 27 positive and 52 generalized place invariants in 45 ms returned sat
[2023-03-15 12:25:01] [INFO ] After 463ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:20
[2023-03-15 12:25:02] [INFO ] [Nat]Absence check using 27 positive place invariants in 6 ms returned sat
[2023-03-15 12:25:02] [INFO ] [Nat]Absence check using 27 positive and 52 generalized place invariants in 45 ms returned sat
[2023-03-15 12:25:43] [INFO ] After 41599ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :20
[2023-03-15 12:25:44] [INFO ] State equation strengthened by 8020 read => feed constraints.
[2023-03-15 12:28:46] [INFO ] After 182090ms SMT Verify possible using 8020 Read/Feed constraints in natural domain returned unsat :0 sat :0
[2023-03-15 12:28:46] [INFO ] After 224250ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :0
Parikh walk visited 0 properties in 11371 ms.
Support contains 20 out of 540 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 540/540 places, 15470/15470 transitions.
Applied a total of 0 rules in 3150 ms. Remains 540 /540 variables (removed 0) and now considering 15470/15470 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 3150 ms. Remains : 540/540 places, 15470/15470 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 540/540 places, 15470/15470 transitions.
Applied a total of 0 rules in 3161 ms. Remains 540 /540 variables (removed 0) and now considering 15470/15470 (removed 0) transitions.
[2023-03-15 12:29:03] [INFO ] Invariant cache hit.
[2023-03-15 12:29:06] [INFO ] Implicit Places using invariants in 2396 ms returned []
Implicit Place search using SMT only with invariants took 2397 ms to find 0 implicit places.
[2023-03-15 12:29:06] [INFO ] Invariant cache hit.
[2023-03-15 12:29:13] [INFO ] Dead Transitions using invariants and state equation in 7157 ms found 0 transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 12718 ms. Remains : 540/540 places, 15470/15470 transitions.
Incomplete random walk after 100000 steps, including 11459 resets, run finished after 6612 ms. (steps per millisecond=15 ) properties (out of 20) seen :0
Running SMT prover for 20 properties.
[2023-03-15 12:29:19] [INFO ] Invariant cache hit.
[2023-03-15 12:29:20] [INFO ] [Real]Absence check using 27 positive place invariants in 5 ms returned sat
[2023-03-15 12:29:20] [INFO ] [Real]Absence check using 27 positive and 52 generalized place invariants in 41 ms returned sat
[2023-03-15 12:29:43] [INFO ] After 23635ms SMT Verify possible using state equation in real domain returned unsat :0 sat :20
[2023-03-15 12:29:44] [INFO ] State equation strengthened by 8020 read => feed constraints.
java.lang.RuntimeException: SMT solver raised an error when submitting script. Raised (error "Failed to assert expression: java.io.IOException: Broken pipe ...
at fr.lip6.move.gal.structural.smt.SMTUtils.execAndCheckResult(SMTUtils.java:251)
at fr.lip6.move.gal.structural.smt.DeadlockTester.checkResults(DeadlockTester.java:797)
at fr.lip6.move.gal.structural.smt.DeadlockTester.verifyPossible(DeadlockTester.java:644)
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.structural.smt.DeadlockTester.testUnreachableWithSMT(DeadlockTester.java:215)
at fr.lip6.move.gal.application.solver.logic.AtomicReducerSR.checkAtomicPropositions(AtomicReducerSR.java:267)
at fr.lip6.move.gal.application.solver.ReachabilitySolver.applyReductions(ReachabilitySolver.java:253)
at fr.lip6.move.gal.application.solver.global.GlobalPropertySolver.applyReachabilitySolver(GlobalPropertySolver.java:724)
at fr.lip6.move.gal.application.solver.global.GlobalPropertySolver.solveProperty(GlobalPropertySolver.java:558)
at fr.lip6.move.gal.application.solver.global.GlobalPropertySolver.preSolveLiveness(GlobalPropertySolver.java:412)
at fr.lip6.move.gal.application.solver.global.GlobalPropertySolver.preStableMarking(GlobalPropertySolver.java:321)
at fr.lip6.move.gal.application.solver.global.GlobalPropertySolver.solveProperty(GlobalPropertySolver.java:294)
at fr.lip6.move.gal.application.Application.startNoEx(Application.java:386)
at fr.lip6.move.gal.application.Application.start(Application.java:178)
at fr.lip6.move.gal.itscl.application.Application.start(Application.java:45)
at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:203)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:136)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:104)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:402)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:255)
at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:77)
at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.base/java.lang.reflect.Method.invoke(Method.java:568)
at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:659)
at org.eclipse.equinox.launcher.Main.basicRun(Main.java:596)
at org.eclipse.equinox.launcher.Main.run(Main.java:1467)
at org.eclipse.equinox.launcher.Main.main(Main.java:1440)
[2023-03-15 12:31:00] [WARNING] SMT solver failed with error :SMT solver raised an error when submitting script.... while checking expressions.
[2023-03-15 12:31:00] [INFO ] After 100051ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0
Incomplete random walk after 10000 steps, including 1146 resets, run finished after 494 ms. (steps per millisecond=20 ) properties (out of 1) seen :0
Incomplete Best-First random walk after 10001 steps, including 34 resets, run finished after 21 ms. (steps per millisecond=476 ) properties (out of 1) seen :0
Interrupted probabilistic random walk after 22064 steps, run timeout after 3001 ms. (steps per millisecond=7 ) properties seen :{}
Probabilistic random walk after 22064 steps, saw 6370 distinct states, run finished after 3001 ms. (steps per millisecond=7 ) properties seen :0
Running SMT prover for 1 properties.
[2023-03-15 12:31:03] [INFO ] Invariant cache hit.
[2023-03-15 12:31:03] [INFO ] [Real]Absence check using 27 positive place invariants in 5 ms returned sat
[2023-03-15 12:31:03] [INFO ] [Real]Absence check using 27 positive and 52 generalized place invariants in 42 ms returned sat
[2023-03-15 12:31:03] [INFO ] After 124ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
[2023-03-15 12:31:03] [INFO ] [Nat]Absence check using 27 positive place invariants in 5 ms returned sat
[2023-03-15 12:31:03] [INFO ] [Nat]Absence check using 27 positive and 52 generalized place invariants in 41 ms returned sat
[2023-03-15 12:31:22] [INFO ] After 18410ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
[2023-03-15 12:31:22] [INFO ] State equation strengthened by 8020 read => feed constraints.
[2023-03-15 12:31:28] [INFO ] After 6347ms SMT Verify possible using 8020 Read/Feed constraints in natural domain returned unsat :0 sat :0
[2023-03-15 12:31:28] [INFO ] After 25042ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :0
Parikh walk visited 0 properties in 119 ms.
Support contains 1 out of 540 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 540/540 places, 15470/15470 transitions.
Free-agglomeration rule (complex) applied 19 times.
Iterating global reduction 0 with 19 rules applied. Total rules applied 19 place count 540 transition count 15451
Reduce places removed 19 places and 0 transitions.
Iterating post reduction 0 with 19 rules applied. Total rules applied 38 place count 521 transition count 15451
Applied a total of 38 rules in 6447 ms. Remains 521 /540 variables (removed 19) and now considering 15451/15470 (removed 19) transitions.
// Phase 1: matrix 15451 rows 521 cols
[2023-03-15 12:31:36] [INFO ] Computed 79 place invariants in 1418 ms
[2023-03-15 12:31:43] [INFO ] Dead Transitions using invariants and state equation in 8480 ms found 0 transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 14929 ms. Remains : 521/540 places, 15451/15470 transitions.
Incomplete random walk after 10000 steps, including 1138 resets, run finished after 484 ms. (steps per millisecond=20 ) properties (out of 1) seen :0
Incomplete Best-First random walk after 10001 steps, including 34 resets, run finished after 22 ms. (steps per millisecond=454 ) properties (out of 1) seen :0
Interrupted probabilistic random walk after 21720 steps, run timeout after 3001 ms. (steps per millisecond=7 ) properties seen :{}
Probabilistic random walk after 21720 steps, saw 6232 distinct states, run finished after 3001 ms. (steps per millisecond=7 ) properties seen :0
Running SMT prover for 1 properties.
[2023-03-15 12:31:47] [INFO ] Invariant cache hit.
[2023-03-15 12:31:47] [INFO ] [Real]Absence check using 26 positive place invariants in 5 ms returned sat
[2023-03-15 12:31:47] [INFO ] [Real]Absence check using 26 positive and 53 generalized place invariants in 42 ms returned sat
[2023-03-15 12:31:47] [INFO ] After 121ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
[2023-03-15 12:31:47] [INFO ] [Nat]Absence check using 26 positive place invariants in 4 ms returned sat
[2023-03-15 12:31:47] [INFO ] [Nat]Absence check using 26 positive and 53 generalized place invariants in 42 ms returned sat
[2023-03-15 12:31:59] [INFO ] After 11844ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
[2023-03-15 12:31:59] [INFO ] State equation strengthened by 8020 read => feed constraints.
[2023-03-15 12:32:10] [INFO ] After 10649ms SMT Verify possible using 8020 Read/Feed constraints in natural domain returned unsat :0 sat :0
[2023-03-15 12:32:10] [INFO ] After 22793ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :0
Parikh walk visited 0 properties in 45 ms.
Support contains 1 out of 521 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 521/521 places, 15451/15451 transitions.
Applied a total of 0 rules in 3140 ms. Remains 521 /521 variables (removed 0) and now considering 15451/15451 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 3140 ms. Remains : 521/521 places, 15451/15451 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 521/521 places, 15451/15451 transitions.
Applied a total of 0 rules in 3146 ms. Remains 521 /521 variables (removed 0) and now considering 15451/15451 (removed 0) transitions.
[2023-03-15 12:32:16] [INFO ] Invariant cache hit.
[2023-03-15 12:32:19] [INFO ] Implicit Places using invariants in 3042 ms returned [29, 34, 60, 86, 88, 111, 126, 143, 163, 237, 251, 282, 321, 334, 363, 379, 408, 451, 452]
Discarding 19 places :
Implicit Place search using SMT only with invariants took 3091 ms to find 19 implicit places.
Starting structural reductions in REACHABILITY mode, iteration 1 : 502/521 places, 15451/15451 transitions.
Free-agglomeration rule applied 19 times.
Iterating global reduction 0 with 19 rules applied. Total rules applied 19 place count 502 transition count 15432
Reduce places removed 19 places and 0 transitions.
Iterating post reduction 0 with 19 rules applied. Total rules applied 38 place count 483 transition count 15432
Applied a total of 38 rules in 6411 ms. Remains 483 /502 variables (removed 19) and now considering 15432/15451 (removed 19) transitions.
// Phase 1: matrix 15432 rows 483 cols
[2023-03-15 12:32:27] [INFO ] Computed 60 place invariants in 1382 ms
[2023-03-15 12:32:30] [INFO ] Implicit Places using invariants in 4296 ms returned []
Implicit Place search using SMT only with invariants took 4299 ms to find 0 implicit places.
Starting structural reductions in REACHABILITY mode, iteration 2 : 483/521 places, 15432/15451 transitions.
Finished structural reductions in REACHABILITY mode , in 2 iterations and 16947 ms. Remains : 483/521 places, 15432/15451 transitions.
Incomplete random walk after 10000 steps, including 1671 resets, run finished after 671 ms. (steps per millisecond=14 ) properties (out of 1) seen :0
Incomplete Best-First random walk after 10001 steps, including 37 resets, run finished after 22 ms. (steps per millisecond=454 ) properties (out of 1) seen :0
Interrupted probabilistic random walk after 17604 steps, run timeout after 3001 ms. (steps per millisecond=5 ) properties seen :{}
Probabilistic random walk after 17604 steps, saw 6485 distinct states, run finished after 3001 ms. (steps per millisecond=5 ) properties seen :0
Running SMT prover for 1 properties.
[2023-03-15 12:32:34] [INFO ] Invariant cache hit.
[2023-03-15 12:32:34] [INFO ] [Real]Absence check using 20 positive place invariants in 4 ms returned sat
[2023-03-15 12:32:34] [INFO ] [Real]Absence check using 20 positive and 40 generalized place invariants in 36 ms returned sat
[2023-03-15 12:32:34] [INFO ] After 114ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
[2023-03-15 12:32:34] [INFO ] [Nat]Absence check using 20 positive place invariants in 4 ms returned sat
[2023-03-15 12:32:34] [INFO ] [Nat]Absence check using 20 positive and 40 generalized place invariants in 34 ms returned sat
[2023-03-15 12:32:48] [INFO ] After 13555ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
[2023-03-15 12:32:48] [INFO ] State equation strengthened by 8020 read => feed constraints.
[2023-03-15 12:32:59] [INFO ] After 11099ms SMT Verify possible using 8020 Read/Feed constraints in natural domain returned unsat :0 sat :0
[2023-03-15 12:32:59] [INFO ] After 24958ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :0
Parikh walk visited 0 properties in 47 ms.
Support contains 1 out of 483 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 483/483 places, 15432/15432 transitions.
Applied a total of 0 rules in 3136 ms. Remains 483 /483 variables (removed 0) and now considering 15432/15432 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 3136 ms. Remains : 483/483 places, 15432/15432 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 483/483 places, 15432/15432 transitions.
Applied a total of 0 rules in 3147 ms. Remains 483 /483 variables (removed 0) and now considering 15432/15432 (removed 0) transitions.
[2023-03-15 12:33:05] [INFO ] Invariant cache hit.
[2023-03-15 12:33:08] [INFO ] Implicit Places using invariants in 3001 ms returned []
Implicit Place search using SMT only with invariants took 3002 ms to find 0 implicit places.
[2023-03-15 12:33:08] [INFO ] Invariant cache hit.
[2023-03-15 12:33:15] [INFO ] Dead Transitions using invariants and state equation in 6991 ms found 0 transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 13142 ms. Remains : 483/483 places, 15432/15432 transitions.
Incomplete random walk after 10000 steps, including 1149 resets, run finished after 467 ms. (steps per millisecond=21 ) properties (out of 1) seen :0
Incomplete Best-First random walk after 10001 steps, including 35 resets, run finished after 21 ms. (steps per millisecond=476 ) properties (out of 1) seen :0
Interrupted probabilistic random walk after 22645 steps, run timeout after 3001 ms. (steps per millisecond=7 ) properties seen :{}
Probabilistic random walk after 22645 steps, saw 6491 distinct states, run finished after 3001 ms. (steps per millisecond=7 ) properties seen :0
Running SMT prover for 1 properties.
// Phase 1: matrix 15470 rows 540 cols
[2023-03-15 12:33:20] [INFO ] Computed 79 place invariants in 1774 ms
[2023-03-15 12:33:21] [INFO ] [Real]Absence check using 27 positive place invariants in 5 ms returned sat
[2023-03-15 12:33:21] [INFO ] [Real]Absence check using 27 positive and 52 generalized place invariants in 44 ms returned sat
[2023-03-15 12:33:21] [INFO ] After 129ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
[2023-03-15 12:33:21] [INFO ] [Nat]Absence check using 27 positive place invariants in 4 ms returned sat
[2023-03-15 12:33:21] [INFO ] [Nat]Absence check using 27 positive and 52 generalized place invariants in 41 ms returned sat
[2023-03-15 12:33:36] [INFO ] After 15495ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
[2023-03-15 12:33:36] [INFO ] State equation strengthened by 8020 read => feed constraints.
[2023-03-15 12:33:46] [INFO ] After 9256ms SMT Verify possible using 8020 Read/Feed constraints in natural domain returned unsat :0 sat :0
[2023-03-15 12:33:46] [INFO ] After 25037ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :0
Parikh walk visited 0 properties in 150 ms.
Support contains 1 out of 540 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 540/540 places, 15470/15470 transitions.
Free-agglomeration rule (complex) applied 19 times.
Iterating global reduction 0 with 19 rules applied. Total rules applied 19 place count 540 transition count 15451
Reduce places removed 19 places and 0 transitions.
Iterating post reduction 0 with 19 rules applied. Total rules applied 38 place count 521 transition count 15451
Applied a total of 38 rules in 6490 ms. Remains 521 /540 variables (removed 19) and now considering 15451/15470 (removed 19) transitions.
// Phase 1: matrix 15451 rows 521 cols
[2023-03-15 12:33:54] [INFO ] Computed 79 place invariants in 1376 ms
[2023-03-15 12:34:01] [INFO ] Dead Transitions using invariants and state equation in 8506 ms found 0 transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 14996 ms. Remains : 521/540 places, 15451/15470 transitions.
Incomplete random walk after 10000 steps, including 1144 resets, run finished after 488 ms. (steps per millisecond=20 ) properties (out of 1) seen :0
Incomplete Best-First random walk after 10001 steps, including 34 resets, run finished after 24 ms. (steps per millisecond=416 ) properties (out of 1) seen :0
Interrupted probabilistic random walk after 21841 steps, run timeout after 3001 ms. (steps per millisecond=7 ) properties seen :{}
Probabilistic random walk after 21841 steps, saw 6350 distinct states, run finished after 3001 ms. (steps per millisecond=7 ) properties seen :0
Running SMT prover for 1 properties.
[2023-03-15 12:34:04] [INFO ] Invariant cache hit.
[2023-03-15 12:34:04] [INFO ] [Real]Absence check using 16 positive place invariants in 2 ms returned sat
[2023-03-15 12:34:04] [INFO ] [Real]Absence check using 16 positive and 63 generalized place invariants in 47 ms returned sat
[2023-03-15 12:34:04] [INFO ] After 125ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
[2023-03-15 12:34:05] [INFO ] [Nat]Absence check using 16 positive place invariants in 2 ms returned sat
[2023-03-15 12:34:05] [INFO ] [Nat]Absence check using 16 positive and 63 generalized place invariants in 45 ms returned sat
[2023-03-15 12:34:18] [INFO ] After 13791ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
[2023-03-15 12:34:19] [INFO ] State equation strengthened by 8020 read => feed constraints.
[2023-03-15 12:34:29] [INFO ] After 10715ms SMT Verify possible using 8020 Read/Feed constraints in natural domain returned unsat :0 sat :0
[2023-03-15 12:34:29] [INFO ] After 24782ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :0
Parikh walk visited 0 properties in 85 ms.
Support contains 1 out of 521 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 521/521 places, 15451/15451 transitions.
Applied a total of 0 rules in 3142 ms. Remains 521 /521 variables (removed 0) and now considering 15451/15451 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 3142 ms. Remains : 521/521 places, 15451/15451 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 521/521 places, 15451/15451 transitions.
Applied a total of 0 rules in 3148 ms. Remains 521 /521 variables (removed 0) and now considering 15451/15451 (removed 0) transitions.
[2023-03-15 12:34:36] [INFO ] Invariant cache hit.
[2023-03-15 12:34:39] [INFO ] Implicit Places using invariants in 3028 ms returned [29, 60, 86, 88, 111, 126, 143, 163, 237, 251, 281, 320, 333, 346, 362, 379, 408, 451, 452]
Discarding 19 places :
Implicit Place search using SMT only with invariants took 3069 ms to find 19 implicit places.
Starting structural reductions in REACHABILITY mode, iteration 1 : 502/521 places, 15451/15451 transitions.
Free-agglomeration rule applied 19 times.
Iterating global reduction 0 with 19 rules applied. Total rules applied 19 place count 502 transition count 15432
Reduce places removed 19 places and 0 transitions.
Iterating post reduction 0 with 19 rules applied. Total rules applied 38 place count 483 transition count 15432
Applied a total of 38 rules in 6290 ms. Remains 483 /502 variables (removed 19) and now considering 15432/15451 (removed 19) transitions.
// Phase 1: matrix 15432 rows 483 cols
[2023-03-15 12:34:46] [INFO ] Computed 60 place invariants in 1346 ms
[2023-03-15 12:34:49] [INFO ] Implicit Places using invariants in 4303 ms returned []
Implicit Place search using SMT only with invariants took 4304 ms to find 0 implicit places.
Starting structural reductions in REACHABILITY mode, iteration 2 : 483/521 places, 15432/15451 transitions.
Finished structural reductions in REACHABILITY mode , in 2 iterations and 16812 ms. Remains : 483/521 places, 15432/15451 transitions.
Incomplete random walk after 10000 steps, including 1692 resets, run finished after 689 ms. (steps per millisecond=14 ) properties (out of 1) seen :0
Incomplete Best-First random walk after 10001 steps, including 36 resets, run finished after 22 ms. (steps per millisecond=454 ) properties (out of 1) seen :0
Interrupted probabilistic random walk after 17291 steps, run timeout after 3001 ms. (steps per millisecond=5 ) properties seen :{}
Probabilistic random walk after 17291 steps, saw 6424 distinct states, run finished after 3001 ms. (steps per millisecond=5 ) properties seen :0
Running SMT prover for 1 properties.
[2023-03-15 12:34:53] [INFO ] Invariant cache hit.
[2023-03-15 12:34:53] [INFO ] [Real]Absence check using 22 positive place invariants in 4 ms returned sat
[2023-03-15 12:34:53] [INFO ] [Real]Absence check using 22 positive and 38 generalized place invariants in 35 ms returned sat
[2023-03-15 12:35:03] [INFO ] After 10360ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
[2023-03-15 12:35:03] [INFO ] [Nat]Absence check using 22 positive place invariants in 4 ms returned sat
[2023-03-15 12:35:03] [INFO ] [Nat]Absence check using 22 positive and 38 generalized place invariants in 34 ms returned sat
[2023-03-15 12:35:16] [INFO ] After 12553ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
[2023-03-15 12:35:16] [INFO ] State equation strengthened by 8020 read => feed constraints.
[2023-03-15 12:35:27] [INFO ] After 10747ms SMT Verify possible using 8020 Read/Feed constraints in natural domain returned unsat :0 sat :0
[2023-03-15 12:35:27] [INFO ] After 23592ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :0
Parikh walk visited 0 properties in 27 ms.
Support contains 1 out of 483 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 483/483 places, 15432/15432 transitions.
Applied a total of 0 rules in 3182 ms. Remains 483 /483 variables (removed 0) and now considering 15432/15432 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 3182 ms. Remains : 483/483 places, 15432/15432 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 483/483 places, 15432/15432 transitions.
Applied a total of 0 rules in 3186 ms. Remains 483 /483 variables (removed 0) and now considering 15432/15432 (removed 0) transitions.
[2023-03-15 12:35:33] [INFO ] Invariant cache hit.
[2023-03-15 12:35:36] [INFO ] Implicit Places using invariants in 3067 ms returned []
Implicit Place search using SMT only with invariants took 3071 ms to find 0 implicit places.
[2023-03-15 12:35:36] [INFO ] Invariant cache hit.
[2023-03-15 12:35:43] [INFO ] Dead Transitions using invariants and state equation in 6921 ms found 0 transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 13180 ms. Remains : 483/483 places, 15432/15432 transitions.
Incomplete random walk after 10000 steps, including 1146 resets, run finished after 480 ms. (steps per millisecond=20 ) properties (out of 1) seen :0
Incomplete Best-First random walk after 10001 steps, including 34 resets, run finished after 23 ms. (steps per millisecond=434 ) properties (out of 1) seen :0
Interrupted probabilistic random walk after 22199 steps, run timeout after 3001 ms. (steps per millisecond=7 ) properties seen :{}
Probabilistic random walk after 22199 steps, saw 6398 distinct states, run finished after 3001 ms. (steps per millisecond=7 ) properties seen :0
Running SMT prover for 1 properties.
// Phase 1: matrix 15470 rows 540 cols
[2023-03-15 12:35:49] [INFO ] Computed 79 place invariants in 1821 ms
[2023-03-15 12:35:49] [INFO ] [Real]Absence check using 27 positive place invariants in 5 ms returned sat
[2023-03-15 12:35:49] [INFO ] [Real]Absence check using 27 positive and 52 generalized place invariants in 44 ms returned sat
[2023-03-15 12:35:49] [INFO ] After 133ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
[2023-03-15 12:35:49] [INFO ] [Nat]Absence check using 27 positive place invariants in 5 ms returned sat
[2023-03-15 12:35:49] [INFO ] [Nat]Absence check using 27 positive and 52 generalized place invariants in 42 ms returned sat
[2023-03-15 12:36:04] [INFO ] After 15177ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
[2023-03-15 12:36:04] [INFO ] State equation strengthened by 8020 read => feed constraints.
[2023-03-15 12:36:14] [INFO ] After 9570ms SMT Verify possible using 8020 Read/Feed constraints in natural domain returned unsat :0 sat :0
[2023-03-15 12:36:14] [INFO ] After 25031ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :0
Parikh walk visited 0 properties in 133 ms.
Support contains 1 out of 540 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 540/540 places, 15470/15470 transitions.
Free-agglomeration rule (complex) applied 19 times.
Iterating global reduction 0 with 19 rules applied. Total rules applied 19 place count 540 transition count 15451
Reduce places removed 19 places and 0 transitions.
Iterating post reduction 0 with 19 rules applied. Total rules applied 38 place count 521 transition count 15451
Applied a total of 38 rules in 6328 ms. Remains 521 /540 variables (removed 19) and now considering 15451/15470 (removed 19) transitions.
// Phase 1: matrix 15451 rows 521 cols
[2023-03-15 12:36:22] [INFO ] Computed 79 place invariants in 1705 ms
[2023-03-15 12:36:29] [INFO ] Dead Transitions using invariants and state equation in 8502 ms found 0 transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 14832 ms. Remains : 521/540 places, 15451/15470 transitions.
Incomplete random walk after 10000 steps, including 1149 resets, run finished after 474 ms. (steps per millisecond=21 ) properties (out of 1) seen :0
Incomplete Best-First random walk after 10001 steps, including 35 resets, run finished after 32 ms. (steps per millisecond=312 ) properties (out of 1) seen :0
Interrupted probabilistic random walk after 21828 steps, run timeout after 3001 ms. (steps per millisecond=7 ) properties seen :{}
Probabilistic random walk after 21828 steps, saw 6331 distinct states, run finished after 3001 ms. (steps per millisecond=7 ) properties seen :0
Running SMT prover for 1 properties.
[2023-03-15 12:36:32] [INFO ] Invariant cache hit.
[2023-03-15 12:36:32] [INFO ] [Real]Absence check using 17 positive place invariants in 3 ms returned sat
[2023-03-15 12:36:33] [INFO ] [Real]Absence check using 17 positive and 62 generalized place invariants in 62 ms returned sat
[2023-03-15 12:36:44] [INFO ] After 11378ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
[2023-03-15 12:36:44] [INFO ] [Nat]Absence check using 17 positive place invariants in 3 ms returned sat
[2023-03-15 12:36:44] [INFO ] [Nat]Absence check using 17 positive and 62 generalized place invariants in 61 ms returned sat
[2023-03-15 12:36:56] [INFO ] After 11822ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
[2023-03-15 12:36:56] [INFO ] State equation strengthened by 8020 read => feed constraints.
[2023-03-15 12:37:07] [INFO ] After 10611ms SMT Verify possible using 8020 Read/Feed constraints in natural domain returned unsat :0 sat :0
[2023-03-15 12:37:07] [INFO ] After 22754ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :0
Parikh walk visited 0 properties in 162 ms.
Support contains 1 out of 521 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 521/521 places, 15451/15451 transitions.
Applied a total of 0 rules in 3138 ms. Remains 521 /521 variables (removed 0) and now considering 15451/15451 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 3138 ms. Remains : 521/521 places, 15451/15451 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 521/521 places, 15451/15451 transitions.
Applied a total of 0 rules in 3139 ms. Remains 521 /521 variables (removed 0) and now considering 15451/15451 (removed 0) transitions.
[2023-03-15 12:37:13] [INFO ] Invariant cache hit.
[2023-03-15 12:37:16] [INFO ] Implicit Places using invariants in 3077 ms returned [29, 34, 60, 86, 88, 112, 127, 144, 164, 238, 252, 282, 321, 334, 347, 379, 408, 451, 452]
Discarding 19 places :
Implicit Place search using SMT only with invariants took 3117 ms to find 19 implicit places.
Starting structural reductions in REACHABILITY mode, iteration 1 : 502/521 places, 15451/15451 transitions.
Free-agglomeration rule applied 19 times.
Iterating global reduction 0 with 19 rules applied. Total rules applied 19 place count 502 transition count 15432
Reduce places removed 19 places and 0 transitions.
Iterating post reduction 0 with 19 rules applied. Total rules applied 38 place count 483 transition count 15432
Applied a total of 38 rules in 6325 ms. Remains 483 /502 variables (removed 19) and now considering 15432/15451 (removed 19) transitions.
// Phase 1: matrix 15432 rows 483 cols
[2023-03-15 12:37:24] [INFO ] Computed 60 place invariants in 1268 ms
[2023-03-15 12:37:27] [INFO ] Implicit Places using invariants in 4371 ms returned []
Implicit Place search using SMT only with invariants took 4371 ms to find 0 implicit places.
Starting structural reductions in REACHABILITY mode, iteration 2 : 483/521 places, 15432/15451 transitions.
Finished structural reductions in REACHABILITY mode , in 2 iterations and 16953 ms. Remains : 483/521 places, 15432/15451 transitions.
Incomplete random walk after 10000 steps, including 1147 resets, run finished after 477 ms. (steps per millisecond=20 ) properties (out of 1) seen :0
Incomplete Best-First random walk after 10001 steps, including 34 resets, run finished after 22 ms. (steps per millisecond=454 ) properties (out of 1) seen :0
Interrupted probabilistic random walk after 22224 steps, run timeout after 3001 ms. (steps per millisecond=7 ) properties seen :{}
Probabilistic random walk after 22224 steps, saw 6405 distinct states, run finished after 3001 ms. (steps per millisecond=7 ) properties seen :0
Running SMT prover for 1 properties.
// Phase 1: matrix 15470 rows 540 cols
[2023-03-15 12:37:32] [INFO ] Computed 79 place invariants in 1794 ms
[2023-03-15 12:37:32] [INFO ] [Real]Absence check using 27 positive place invariants in 5 ms returned sat
[2023-03-15 12:37:32] [INFO ] [Real]Absence check using 27 positive and 52 generalized place invariants in 44 ms returned sat
[2023-03-15 12:37:32] [INFO ] After 128ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
[2023-03-15 12:37:32] [INFO ] [Nat]Absence check using 27 positive place invariants in 4 ms returned sat
[2023-03-15 12:37:32] [INFO ] [Nat]Absence check using 27 positive and 52 generalized place invariants in 42 ms returned sat
[2023-03-15 12:37:52] [INFO ] After 19247ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
[2023-03-15 12:37:52] [INFO ] State equation strengthened by 8020 read => feed constraints.
[2023-03-15 12:37:57] [INFO ] After 5520ms SMT Verify possible using 8020 Read/Feed constraints in natural domain returned unsat :0 sat :0
[2023-03-15 12:37:57] [INFO ] After 25036ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :0
Parikh walk visited 0 properties in 42 ms.
Support contains 1 out of 540 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 540/540 places, 15470/15470 transitions.
Free-agglomeration rule (complex) applied 19 times.
Iterating global reduction 0 with 19 rules applied. Total rules applied 19 place count 540 transition count 15451
Reduce places removed 19 places and 0 transitions.
Iterating post reduction 0 with 19 rules applied. Total rules applied 38 place count 521 transition count 15451
Applied a total of 38 rules in 6393 ms. Remains 521 /540 variables (removed 19) and now considering 15451/15470 (removed 19) transitions.
// Phase 1: matrix 15451 rows 521 cols
[2023-03-15 12:38:05] [INFO ] Computed 79 place invariants in 1113 ms
[2023-03-15 12:38:12] [INFO ] Dead Transitions using invariants and state equation in 8320 ms found 0 transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 14714 ms. Remains : 521/540 places, 15451/15470 transitions.
Incomplete random walk after 10000 steps, including 1147 resets, run finished after 475 ms. (steps per millisecond=21 ) properties (out of 1) seen :0
Incomplete Best-First random walk after 10001 steps, including 34 resets, run finished after 21 ms. (steps per millisecond=476 ) properties (out of 1) seen :0
Interrupted probabilistic random walk after 21829 steps, run timeout after 3001 ms. (steps per millisecond=7 ) properties seen :{}
Probabilistic random walk after 21829 steps, saw 6361 distinct states, run finished after 3001 ms. (steps per millisecond=7 ) properties seen :0
Running SMT prover for 1 properties.
[2023-03-15 12:38:16] [INFO ] Invariant cache hit.
[2023-03-15 12:38:16] [INFO ] [Real]Absence check using 26 positive place invariants in 4 ms returned sat
[2023-03-15 12:38:16] [INFO ] [Real]Absence check using 26 positive and 53 generalized place invariants in 39 ms returned sat
[2023-03-15 12:38:16] [INFO ] After 119ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
[2023-03-15 12:38:16] [INFO ] [Nat]Absence check using 26 positive place invariants in 4 ms returned sat
[2023-03-15 12:38:16] [INFO ] [Nat]Absence check using 26 positive and 53 generalized place invariants in 39 ms returned sat
[2023-03-15 12:38:27] [INFO ] After 11578ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
[2023-03-15 12:38:28] [INFO ] State equation strengthened by 8020 read => feed constraints.
[2023-03-15 12:38:38] [INFO ] After 10891ms SMT Verify possible using 8020 Read/Feed constraints in natural domain returned unsat :0 sat :0
[2023-03-15 12:38:38] [INFO ] After 22733ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :0
Parikh walk visited 0 properties in 22 ms.
Support contains 1 out of 521 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 521/521 places, 15451/15451 transitions.
Applied a total of 0 rules in 3171 ms. Remains 521 /521 variables (removed 0) and now considering 15451/15451 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 3171 ms. Remains : 521/521 places, 15451/15451 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 521/521 places, 15451/15451 transitions.
Applied a total of 0 rules in 3153 ms. Remains 521 /521 variables (removed 0) and now considering 15451/15451 (removed 0) transitions.
[2023-03-15 12:38:45] [INFO ] Invariant cache hit.
[2023-03-15 12:38:48] [INFO ] Implicit Places using invariants in 3136 ms returned [29, 34, 60, 88, 111, 126, 143, 163, 238, 252, 282, 321, 334, 347, 363, 379, 408, 451, 452]
Discarding 19 places :
Implicit Place search using SMT only with invariants took 3173 ms to find 19 implicit places.
Starting structural reductions in REACHABILITY mode, iteration 1 : 502/521 places, 15451/15451 transitions.
Free-agglomeration rule applied 19 times.
Iterating global reduction 0 with 19 rules applied. Total rules applied 19 place count 502 transition count 15432
Reduce places removed 19 places and 0 transitions.
Iterating post reduction 0 with 19 rules applied. Total rules applied 38 place count 483 transition count 15432
Applied a total of 38 rules in 6300 ms. Remains 483 /502 variables (removed 19) and now considering 15432/15451 (removed 19) transitions.
// Phase 1: matrix 15432 rows 483 cols
[2023-03-15 12:38:55] [INFO ] Computed 60 place invariants in 1208 ms
[2023-03-15 12:38:58] [INFO ] Implicit Places using invariants in 4222 ms returned []
Implicit Place search using SMT only with invariants took 4223 ms to find 0 implicit places.
Starting structural reductions in REACHABILITY mode, iteration 2 : 483/521 places, 15432/15451 transitions.
Finished structural reductions in REACHABILITY mode , in 2 iterations and 16850 ms. Remains : 483/521 places, 15432/15451 transitions.
Incomplete random walk after 10000 steps, including 1700 resets, run finished after 691 ms. (steps per millisecond=14 ) properties (out of 1) seen :0
Incomplete Best-First random walk after 10001 steps, including 37 resets, run finished after 22 ms. (steps per millisecond=454 ) properties (out of 1) seen :0
Interrupted probabilistic random walk after 17166 steps, run timeout after 3001 ms. (steps per millisecond=5 ) properties seen :{}
Probabilistic random walk after 17166 steps, saw 6385 distinct states, run finished after 3001 ms. (steps per millisecond=5 ) properties seen :0
Running SMT prover for 1 properties.
[2023-03-15 12:39:02] [INFO ] Invariant cache hit.
[2023-03-15 12:39:02] [INFO ] [Real]Absence check using 19 positive place invariants in 4 ms returned sat
[2023-03-15 12:39:02] [INFO ] [Real]Absence check using 19 positive and 41 generalized place invariants in 31 ms returned sat
[2023-03-15 12:39:02] [INFO ] After 106ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
[2023-03-15 12:39:02] [INFO ] [Nat]Absence check using 19 positive place invariants in 3 ms returned sat
[2023-03-15 12:39:02] [INFO ] [Nat]Absence check using 19 positive and 41 generalized place invariants in 29 ms returned sat
[2023-03-15 12:39:16] [INFO ] After 13600ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
[2023-03-15 12:39:16] [INFO ] State equation strengthened by 8020 read => feed constraints.
[2023-03-15 12:39:27] [INFO ] After 10599ms SMT Verify possible using 8020 Read/Feed constraints in natural domain returned unsat :0 sat :0
[2023-03-15 12:39:27] [INFO ] After 24487ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :0
Parikh walk visited 0 properties in 34 ms.
Support contains 1 out of 483 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 483/483 places, 15432/15432 transitions.
Applied a total of 0 rules in 3141 ms. Remains 483 /483 variables (removed 0) and now considering 15432/15432 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 3141 ms. Remains : 483/483 places, 15432/15432 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 483/483 places, 15432/15432 transitions.
Applied a total of 0 rules in 3141 ms. Remains 483 /483 variables (removed 0) and now considering 15432/15432 (removed 0) transitions.
[2023-03-15 12:39:33] [INFO ] Invariant cache hit.
[2023-03-15 12:39:36] [INFO ] Implicit Places using invariants in 3062 ms returned []
Implicit Place search using SMT only with invariants took 3063 ms to find 0 implicit places.
[2023-03-15 12:39:36] [INFO ] Invariant cache hit.
[2023-03-15 12:39:43] [INFO ] Dead Transitions using invariants and state equation in 6980 ms found 0 transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 13186 ms. Remains : 483/483 places, 15432/15432 transitions.
Incomplete random walk after 10000 steps, including 1140 resets, run finished after 471 ms. (steps per millisecond=21 ) properties (out of 1) seen :0
Incomplete Best-First random walk after 10001 steps, including 34 resets, run finished after 21 ms. (steps per millisecond=476 ) properties (out of 1) seen :0
Interrupted probabilistic random walk after 22258 steps, run timeout after 3001 ms. (steps per millisecond=7 ) properties seen :{}
Probabilistic random walk after 22258 steps, saw 6413 distinct states, run finished after 3001 ms. (steps per millisecond=7 ) properties seen :0
Running SMT prover for 1 properties.
// Phase 1: matrix 15470 rows 540 cols
[2023-03-15 12:39:48] [INFO ] Computed 79 place invariants in 1772 ms
[2023-03-15 12:39:49] [INFO ] [Real]Absence check using 27 positive place invariants in 4 ms returned sat
[2023-03-15 12:39:49] [INFO ] [Real]Absence check using 27 positive and 52 generalized place invariants in 42 ms returned sat
[2023-03-15 12:39:49] [INFO ] After 128ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
[2023-03-15 12:39:49] [INFO ] [Nat]Absence check using 27 positive place invariants in 5 ms returned sat
[2023-03-15 12:39:49] [INFO ] [Nat]Absence check using 27 positive and 52 generalized place invariants in 48 ms returned sat
[2023-03-15 12:40:03] [INFO ] After 14023ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
[2023-03-15 12:40:03] [INFO ] State equation strengthened by 8020 read => feed constraints.
[2023-03-15 12:40:14] [INFO ] After 10641ms SMT Verify possible using 8020 Read/Feed constraints in natural domain returned unsat :0 sat :0
[2023-03-15 12:40:14] [INFO ] After 24958ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :0
Parikh walk visited 0 properties in 37 ms.
Support contains 1 out of 540 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 540/540 places, 15470/15470 transitions.
Free-agglomeration rule (complex) applied 19 times.
Iterating global reduction 0 with 19 rules applied. Total rules applied 19 place count 540 transition count 15451
Reduce places removed 19 places and 0 transitions.
Iterating post reduction 0 with 19 rules applied. Total rules applied 38 place count 521 transition count 15451
Applied a total of 38 rules in 6336 ms. Remains 521 /540 variables (removed 19) and now considering 15451/15470 (removed 19) transitions.
// Phase 1: matrix 15451 rows 521 cols
[2023-03-15 12:40:22] [INFO ] Computed 79 place invariants in 1532 ms
[2023-03-15 12:40:29] [INFO ] Dead Transitions using invariants and state equation in 8678 ms found 0 transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 15017 ms. Remains : 521/540 places, 15451/15470 transitions.
Incomplete random walk after 10000 steps, including 1147 resets, run finished after 487 ms. (steps per millisecond=20 ) properties (out of 1) seen :0
Incomplete Best-First random walk after 10001 steps, including 35 resets, run finished after 22 ms. (steps per millisecond=454 ) properties (out of 1) seen :0
Interrupted probabilistic random walk after 21723 steps, run timeout after 3001 ms. (steps per millisecond=7 ) properties seen :{}
Probabilistic random walk after 21723 steps, saw 6290 distinct states, run finished after 3001 ms. (steps per millisecond=7 ) properties seen :0
Running SMT prover for 1 properties.
[2023-03-15 12:40:32] [INFO ] Invariant cache hit.
[2023-03-15 12:40:32] [INFO ] [Real]Absence check using 18 positive place invariants in 3 ms returned sat
[2023-03-15 12:40:32] [INFO ] [Real]Absence check using 18 positive and 61 generalized place invariants in 49 ms returned sat
[2023-03-15 12:40:42] [INFO ] After 9972ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
[2023-03-15 12:40:42] [INFO ] [Nat]Absence check using 18 positive place invariants in 3 ms returned sat
[2023-03-15 12:40:42] [INFO ] [Nat]Absence check using 18 positive and 61 generalized place invariants in 56 ms returned sat
[2023-03-15 12:40:54] [INFO ] After 11565ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
[2023-03-15 12:40:54] [INFO ] State equation strengthened by 8020 read => feed constraints.
[2023-03-15 12:41:05] [INFO ] After 10670ms SMT Verify possible using 8020 Read/Feed constraints in natural domain returned unsat :0 sat :0
[2023-03-15 12:41:05] [INFO ] After 22512ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :0
Parikh walk visited 0 properties in 83 ms.
Support contains 1 out of 521 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 521/521 places, 15451/15451 transitions.
Applied a total of 0 rules in 3111 ms. Remains 521 /521 variables (removed 0) and now considering 15451/15451 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 3111 ms. Remains : 521/521 places, 15451/15451 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 521/521 places, 15451/15451 transitions.
Applied a total of 0 rules in 3099 ms. Remains 521 /521 variables (removed 0) and now considering 15451/15451 (removed 0) transitions.
[2023-03-15 12:41:11] [INFO ] Invariant cache hit.
[2023-03-15 12:41:14] [INFO ] Implicit Places using invariants in 3055 ms returned [29, 34, 60, 86, 111, 126, 143, 164, 238, 252, 282, 321, 334, 347, 363, 379, 408, 451, 452]
Discarding 19 places :
Implicit Place search using SMT only with invariants took 3094 ms to find 19 implicit places.
Starting structural reductions in REACHABILITY mode, iteration 1 : 502/521 places, 15451/15451 transitions.
Free-agglomeration rule applied 19 times.
Iterating global reduction 0 with 19 rules applied. Total rules applied 19 place count 502 transition count 15432
Reduce places removed 19 places and 0 transitions.
Iterating post reduction 0 with 19 rules applied. Total rules applied 38 place count 483 transition count 15432
Applied a total of 38 rules in 6272 ms. Remains 483 /502 variables (removed 19) and now considering 15432/15451 (removed 19) transitions.
// Phase 1: matrix 15432 rows 483 cols
[2023-03-15 12:41:21] [INFO ] Computed 60 place invariants in 1081 ms
[2023-03-15 12:41:24] [INFO ] Implicit Places using invariants in 4142 ms returned []
Implicit Place search using SMT only with invariants took 4143 ms to find 0 implicit places.
Starting structural reductions in REACHABILITY mode, iteration 2 : 483/521 places, 15432/15451 transitions.
Finished structural reductions in REACHABILITY mode , in 2 iterations and 16609 ms. Remains : 483/521 places, 15432/15451 transitions.
Incomplete random walk after 10000 steps, including 1146 resets, run finished after 466 ms. (steps per millisecond=21 ) properties (out of 1) seen :0
Incomplete Best-First random walk after 10000 steps, including 34 resets, run finished after 22 ms. (steps per millisecond=454 ) properties (out of 1) seen :0
Interrupted probabilistic random walk after 22111 steps, run timeout after 3001 ms. (steps per millisecond=7 ) properties seen :{}
Probabilistic random walk after 22111 steps, saw 6379 distinct states, run finished after 3001 ms. (steps per millisecond=7 ) properties seen :0
Running SMT prover for 1 properties.
// Phase 1: matrix 15470 rows 540 cols
[2023-03-15 12:41:30] [INFO ] Computed 79 place invariants in 1784 ms
[2023-03-15 12:41:30] [INFO ] [Real]Absence check using 27 positive place invariants in 4 ms returned sat
[2023-03-15 12:41:30] [INFO ] [Real]Absence check using 27 positive and 52 generalized place invariants in 43 ms returned sat
[2023-03-15 12:41:30] [INFO ] After 129ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
[2023-03-15 12:41:30] [INFO ] [Nat]Absence check using 27 positive place invariants in 4 ms returned sat
[2023-03-15 12:41:30] [INFO ] [Nat]Absence check using 27 positive and 52 generalized place invariants in 41 ms returned sat
[2023-03-15 12:41:47] [INFO ] After 16915ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
[2023-03-15 12:41:47] [INFO ] State equation strengthened by 8020 read => feed constraints.
[2023-03-15 12:41:55] [INFO ] After 7846ms SMT Verify possible using 8020 Read/Feed constraints in natural domain returned unsat :0 sat :0
[2023-03-15 12:41:55] [INFO ] After 25041ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :0
Parikh walk visited 0 properties in 123 ms.
Support contains 1 out of 540 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 540/540 places, 15470/15470 transitions.
Free-agglomeration rule (complex) applied 19 times.
Iterating global reduction 0 with 19 rules applied. Total rules applied 19 place count 540 transition count 15451
Reduce places removed 19 places and 0 transitions.
Iterating post reduction 0 with 19 rules applied. Total rules applied 38 place count 521 transition count 15451
Applied a total of 38 rules in 6388 ms. Remains 521 /540 variables (removed 19) and now considering 15451/15470 (removed 19) transitions.
// Phase 1: matrix 15451 rows 521 cols
[2023-03-15 12:42:03] [INFO ] Computed 79 place invariants in 1179 ms
[2023-03-15 12:42:10] [INFO ] Dead Transitions using invariants and state equation in 8109 ms found 0 transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 14498 ms. Remains : 521/540 places, 15451/15470 transitions.
Incomplete random walk after 10000 steps, including 1138 resets, run finished after 485 ms. (steps per millisecond=20 ) properties (out of 1) seen :0
Incomplete Best-First random walk after 10001 steps, including 34 resets, run finished after 21 ms. (steps per millisecond=476 ) properties (out of 1) seen :0
Interrupted probabilistic random walk after 21709 steps, run timeout after 3001 ms. (steps per millisecond=7 ) properties seen :{}
Probabilistic random walk after 21709 steps, saw 6286 distinct states, run finished after 3001 ms. (steps per millisecond=7 ) properties seen :0
Running SMT prover for 1 properties.
[2023-03-15 12:42:13] [INFO ] Invariant cache hit.
[2023-03-15 12:42:13] [INFO ] [Real]Absence check using 23 positive place invariants in 7 ms returned sat
[2023-03-15 12:42:13] [INFO ] [Real]Absence check using 23 positive and 56 generalized place invariants in 43 ms returned sat
[2023-03-15 12:42:13] [INFO ] After 138ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
[2023-03-15 12:42:13] [INFO ] [Nat]Absence check using 23 positive place invariants in 4 ms returned sat
[2023-03-15 12:42:13] [INFO ] [Nat]Absence check using 23 positive and 56 generalized place invariants in 40 ms returned sat
[2023-03-15 12:42:28] [INFO ] After 14575ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
[2023-03-15 12:42:28] [INFO ] State equation strengthened by 8020 read => feed constraints.
[2023-03-15 12:42:38] [INFO ] After 10205ms SMT Verify possible using 8020 Read/Feed constraints in natural domain returned unsat :0 sat :0
[2023-03-15 12:42:38] [INFO ] After 25037ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :0
Parikh walk visited 0 properties in 141 ms.
Support contains 1 out of 521 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 521/521 places, 15451/15451 transitions.
Applied a total of 0 rules in 3135 ms. Remains 521 /521 variables (removed 0) and now considering 15451/15451 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 3135 ms. Remains : 521/521 places, 15451/15451 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 521/521 places, 15451/15451 transitions.
Applied a total of 0 rules in 3152 ms. Remains 521 /521 variables (removed 0) and now considering 15451/15451 (removed 0) transitions.
[2023-03-15 12:42:45] [INFO ] Invariant cache hit.
[2023-03-15 12:42:48] [INFO ] Implicit Places using invariants in 3119 ms returned [29, 34, 60, 86, 88, 111, 126, 143, 163, 238, 252, 282, 321, 347, 363, 379, 408, 451, 452]
Discarding 19 places :
Implicit Place search using SMT only with invariants took 3160 ms to find 19 implicit places.
Starting structural reductions in REACHABILITY mode, iteration 1 : 502/521 places, 15451/15451 transitions.
Free-agglomeration rule applied 19 times.
Iterating global reduction 0 with 19 rules applied. Total rules applied 19 place count 502 transition count 15432
Reduce places removed 19 places and 0 transitions.
Iterating post reduction 0 with 19 rules applied. Total rules applied 38 place count 483 transition count 15432
Applied a total of 38 rules in 6360 ms. Remains 483 /502 variables (removed 19) and now considering 15432/15451 (removed 19) transitions.
// Phase 1: matrix 15432 rows 483 cols
[2023-03-15 12:42:56] [INFO ] Computed 60 place invariants in 1476 ms
[2023-03-15 12:42:59] [INFO ] Implicit Places using invariants in 4571 ms returned []
Implicit Place search using SMT only with invariants took 4574 ms to find 0 implicit places.
Starting structural reductions in REACHABILITY mode, iteration 2 : 483/521 places, 15432/15451 transitions.
Finished structural reductions in REACHABILITY mode , in 2 iterations and 17246 ms. Remains : 483/521 places, 15432/15451 transitions.
Incomplete random walk after 10000 steps, including 1680 resets, run finished after 668 ms. (steps per millisecond=14 ) properties (out of 1) seen :0
Incomplete Best-First random walk after 10001 steps, including 36 resets, run finished after 22 ms. (steps per millisecond=454 ) properties (out of 1) seen :0
Interrupted probabilistic random walk after 16808 steps, run timeout after 3001 ms. (steps per millisecond=5 ) properties seen :{}
Probabilistic random walk after 16808 steps, saw 6369 distinct states, run finished after 3001 ms. (steps per millisecond=5 ) properties seen :0
Running SMT prover for 1 properties.
[2023-03-15 12:43:03] [INFO ] Invariant cache hit.
[2023-03-15 12:43:03] [INFO ] [Real]Absence check using 21 positive place invariants in 4 ms returned sat
[2023-03-15 12:43:03] [INFO ] [Real]Absence check using 21 positive and 39 generalized place invariants in 37 ms returned sat
[2023-03-15 12:43:03] [INFO ] After 118ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
[2023-03-15 12:43:03] [INFO ] [Nat]Absence check using 21 positive place invariants in 4 ms returned sat
[2023-03-15 12:43:03] [INFO ] [Nat]Absence check using 21 positive and 39 generalized place invariants in 34 ms returned sat
[2023-03-15 12:43:14] [INFO ] After 11178ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
[2023-03-15 12:43:14] [INFO ] State equation strengthened by 8020 read => feed constraints.
[2023-03-15 12:43:25] [INFO ] After 10606ms SMT Verify possible using 8020 Read/Feed constraints in natural domain returned unsat :0 sat :0
[2023-03-15 12:43:25] [INFO ] After 22059ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :0
Parikh walk visited 0 properties in 63 ms.
Support contains 1 out of 483 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 483/483 places, 15432/15432 transitions.
TIME LIMIT: Killed by timeout after 1800 seconds
MemTotal: 16393216 kB
MemFree: 14293548 kB
After kill :
MemTotal: 16393216 kB
MemFree: 16071648 kB

BK_TIME_CONFINEMENT_REACHED

--------------------
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 OneSafe -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="PhilosophersDyn-PT-20"
export BK_EXAMINATION="OneSafe"
export BK_TOOL="marciexred"
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 marciexred"
echo " Input is PhilosophersDyn-PT-20, examination is OneSafe"
echo " Time confinement is $BK_TIME_CONFINEMENT seconds"
echo " Memory confinement is 16384 MBytes"
echo " Number of cores is 4"
echo " Run identifier is r312-tall-167873965000210"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/PhilosophersDyn-PT-20.tgz
mv PhilosophersDyn-PT-20 execution
cd execution
if [ "OneSafe" = "ReachabilityDeadlock" ] || [ "OneSafe" = "UpperBounds" ] || [ "OneSafe" = "QuasiLiveness" ] || [ "OneSafe" = "StableMarking" ] || [ "OneSafe" = "Liveness" ] || [ "OneSafe" = "OneSafe" ] || [ "OneSafe" = "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 [ "OneSafe" = "UpperBounds" ] ; then
echo "The expected result is a vector of positive values"
echo NUM_VECTOR
elif [ "OneSafe" != "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 "OneSafe.txt" ] ; then
echo "here is the order used to build the result vector(from text file)"
for x in $(grep Property OneSafe.txt | cut -d ' ' -f 2 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ -f "OneSafe.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 '' OneSafe.xml | cut -d '>' -f 2 | cut -d '<' -f 1 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ "OneSafe" = "ReachabilityDeadlock" ] || [ "OneSafe" = "QuasiLiveness" ] || [ "OneSafe" = "StableMarking" ] || [ "OneSafe" = "Liveness" ] || [ "OneSafe" = "OneSafe" ] ; then
echo "FORMULA_NAME OneSafe"
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 ;