Execution Chart

We display below the execution chart for this examination (boot time has been removed).

Trace from the execution

Formatting '/data/fkordon/mcc2026-input.r066-tall-177946967500141.qcow2', fmt=qcow2 size=4294967296 backing_file=/data/fkordon/mcc2026-input.qcow2 backing_fmt=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 2-5973
Executing tool itstools
Input is CloudReconfiguration-PT-304, examination is UpperBounds
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r066-tall-177946967500141
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 1.1M
-rw-r--r-- 1 mcc users 6.8K Mar 6 08:53 CTLCardinality.txt
-rw-r--r-- 1 mcc users 69K Mar 6 08:53 CTLCardinality.xml
-rw-r--r-- 1 mcc users 6.3K Mar 6 08:53 CTLFireability.txt
-rw-r--r-- 1 mcc users 57K Mar 6 08:53 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K Mar 3 18:30 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 3.8K Mar 15 08:22 LTLCardinality.txt
-rw-r--r-- 1 mcc users 25K Mar 15 08:22 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.4K Mar 15 08:22 LTLFireability.txt
-rw-r--r-- 1 mcc users 18K Mar 15 08:22 LTLFireability.xml
-rw-r--r-- 1 mcc users 13K Mar 6 08:53 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 135K Mar 6 08:53 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 7.5K Mar 6 08:53 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 58K Mar 6 08:53 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.8K Mar 15 08:22 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.8K Mar 15 08:22 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 Mar 3 18:30 equiv_col
-rw-r--r-- 1 mcc users 4 Mar 3 18:30 instance
-rw-r--r-- 1 mcc users 6 Mar 3 18:30 iscolored
-rw-r--r-- 1 mcc users 660K Mar 3 18:30 model.pnml

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

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

The expected result is a vector of positive values
NUM_VECTOR

echo here is the order used to build the result vector(from xml file)
FORMULA_NAME CloudReconfiguration-PT-304-UpperBounds-00
FORMULA_NAME CloudReconfiguration-PT-304-UpperBounds-01
FORMULA_NAME CloudReconfiguration-PT-304-UpperBounds-02
FORMULA_NAME CloudReconfiguration-PT-304-UpperBounds-03
FORMULA_NAME CloudReconfiguration-PT-304-UpperBounds-04
FORMULA_NAME CloudReconfiguration-PT-304-UpperBounds-05
FORMULA_NAME CloudReconfiguration-PT-304-UpperBounds-06
FORMULA_NAME CloudReconfiguration-PT-304-UpperBounds-07
FORMULA_NAME CloudReconfiguration-PT-304-UpperBounds-08
FORMULA_NAME CloudReconfiguration-PT-304-UpperBounds-09
FORMULA_NAME CloudReconfiguration-PT-304-UpperBounds-10
FORMULA_NAME CloudReconfiguration-PT-304-UpperBounds-11
FORMULA_NAME CloudReconfiguration-PT-304-UpperBounds-12
FORMULA_NAME CloudReconfiguration-PT-304-UpperBounds-13
FORMULA_NAME CloudReconfiguration-PT-304-UpperBounds-14
FORMULA_NAME CloudReconfiguration-PT-304-UpperBounds-15

=== Now, execution of the tool begins

BK_START 1779500827309

Invoking MCC driver with
BK_TOOL=itstools
BK_EXAMINATION=UpperBounds
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=CloudReconfiguration-PT-304
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
UpperBounds PT
Running Version 202604301425
[2026-05-23 01:47:08] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, UpperBounds, -its, -ltsmin, -greatspnpath, /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/, -order, META, -manyOrder, -smt, -timeout, 3600]
[2026-05-23 01:47:08] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-05-23 01:47:08] [INFO ] Load time of PNML (sax parser for PT used): 143 ms
[2026-05-23 01:47:08] [INFO ] Transformed 2584 places.
[2026-05-23 01:47:08] [INFO ] Transformed 3094 transitions.
[2026-05-23 01:47:08] [INFO ] Found NUPN structural information;
[2026-05-23 01:47:08] [INFO ] Parsed PT model containing 2584 places and 3094 transitions and 6459 arcs in 245 ms.
Parsed 16 properties from file /home/mcc/execution/UpperBounds.xml in 7 ms.
Current structural bounds on expressions (Initiallly, because the net is safe) : Max Seen:[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0] Max Struct:[1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
Current structural bounds on expressions (Before main loop) : Max Seen:[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0] Max Struct:[1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-2987207955281623935.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-3756419270213382825.kers'
[2026-05-23 01:47:08] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-2987207955281623935.kers, --Pflows, --basisKERS=/tmp/petrispot-output-3756419270213382825.kers]
Culled 0 columns in 1 ms.
// Phase 1: matrix 3094 rows 2584 cols 6459 entries
Finished phase 1 with 2579 SingleSign rule and 1 generalized
[2026-05-23 01:47:08] [INFO ] Computed 4 invariants in 22 ms
Computed 4 P flows in 44 ms.
Exported basis to /tmp/petrispot-output-3756419270213382825.kers
Total runtime 47 ms.
Current structural bounds on expressions (after invariants) : Max Seen:[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0] Max Struct:[1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
RANDOM walk for 10000 steps (78 resets) in 75 ms. (131 steps per ms)
FORMULA CloudReconfiguration-PT-304-UpperBounds-12 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA CloudReconfiguration-PT-304-UpperBounds-11 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA CloudReconfiguration-PT-304-UpperBounds-00 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA CloudReconfiguration-PT-304-UpperBounds-15 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
BEST_FIRST walk for 120010 steps (254 resets) in 157 ms. (759 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0] Max Struct:[1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2026-05-23 01:47:09] [INFO ] Invariant cache hit.
[2026-05-23 01:47:09] [INFO ] [Real]Absence check using 0 positive and 4 generalized place invariants in 52 ms returned sat
[2026-05-23 01:47:11] [INFO ] [Real]Absence check using state equation in 1257 ms returned sat
[2026-05-23 01:47:11] [INFO ] Computed and/alt/rep : 3085/3787/3085 causal constraints (skipped 8 transitions) in 356 ms.
[2026-05-23 01:47:12] [INFO ] Solution in real domain found non-integer solution.
[2026-05-23 01:47:13] [INFO ] [Nat]Absence check using 0 positive and 4 generalized place invariants in 52 ms returned sat
[2026-05-23 01:47:14] [INFO ] [Nat]Absence check using state equation in 1160 ms returned sat
[2026-05-23 01:47:14] [INFO ] Computed and/alt/rep : 3085/3787/3085 causal constraints (skipped 8 transitions) in 170 ms.
Maximisation of solution failed !
Minimization took 1 ms.
[2026-05-23 01:47:18] [INFO ] [Real]Absence check using 0 positive and 4 generalized place invariants in 49 ms returned sat
[2026-05-23 01:47:19] [INFO ] [Real]Absence check using state equation in 1436 ms returned sat
[2026-05-23 01:47:20] [INFO ] Computed and/alt/rep : 3085/3787/3085 causal constraints (skipped 8 transitions) in 282 ms.
[2026-05-23 01:47:21] [INFO ] Solution in real domain found non-integer solution.
[2026-05-23 01:47:22] [INFO ] [Nat]Absence check using 0 positive and 4 generalized place invariants in 63 ms returned sat
[2026-05-23 01:47:23] [INFO ] [Nat]Absence check using state equation in 1270 ms returned sat
[2026-05-23 01:47:23] [INFO ] Computed and/alt/rep : 3085/3787/3085 causal constraints (skipped 8 transitions) in 159 ms.
[2026-05-23 01:47:26] [INFO ] Added : 120 causal constraints over 24 iterations in 3185 ms. Result :unknown
[2026-05-23 01:47:27] [INFO ] [Real]Absence check using 0 positive and 4 generalized place invariants in 53 ms returned sat
[2026-05-23 01:47:28] [INFO ] [Real]Absence check using state equation in 1289 ms returned sat
[2026-05-23 01:47:28] [INFO ] Computed and/alt/rep : 3085/3787/3085 causal constraints (skipped 8 transitions) in 120 ms.
[2026-05-23 01:47:29] [INFO ] Solution in real domain found non-integer solution.
[2026-05-23 01:47:29] [INFO ] [Nat]Absence check using 0 positive and 4 generalized place invariants in 51 ms returned sat
[2026-05-23 01:47:31] [INFO ] [Nat]Absence check using state equation in 1267 ms returned sat
[2026-05-23 01:47:31] [INFO ] Computed and/alt/rep : 3085/3787/3085 causal constraints (skipped 8 transitions) in 132 ms.
Maximisation of solution failed !
Minimization took 0 ms.
[2026-05-23 01:47:34] [INFO ] [Real]Absence check using 0 positive and 4 generalized place invariants in 48 ms returned sat
[2026-05-23 01:47:36] [INFO ] [Real]Absence check using state equation in 1183 ms returned sat
[2026-05-23 01:47:36] [INFO ] Computed and/alt/rep : 3085/3787/3085 causal constraints (skipped 8 transitions) in 121 ms.
[2026-05-23 01:47:37] [INFO ] Solution in real domain found non-integer solution.
[2026-05-23 01:47:37] [INFO ] [Nat]Absence check using 0 positive and 4 generalized place invariants in 52 ms returned sat
[2026-05-23 01:47:39] [INFO ] [Nat]Absence check using state equation in 1283 ms returned sat
[2026-05-23 01:47:39] [INFO ] Computed and/alt/rep : 3085/3787/3085 causal constraints (skipped 8 transitions) in 142 ms.
[2026-05-23 01:47:42] [WARNING] SMT solver failed with error :java.lang.RuntimeException: SMT solver raised an error when submitting script. Raised (error "Timeout of Z3 solver reached")... while checking expression at index 3
java.lang.RuntimeException: SMT solver raised an error when submitting script. Raised (error "Timeout of Z3 solver reached")...
at fr.lip6.move.gal.structural.smt.SMTUtils.execAndCheckResult(SMTUtils.java:308)
at fr.lip6.move.gal.structural.smt.DeadlockTester.refineWithCausalOrder(DeadlockTester.java:1143)
at fr.lip6.move.gal.structural.smt.DeadlockTester.verifyPossible(DeadlockTester.java:881)
at fr.lip6.move.gal.structural.smt.DeadlockTester.findStructuralMaxWithSMT(DeadlockTester.java:2280)
at fr.lip6.move.gal.application.solver.UpperBoundsSolver.applyReductions(UpperBoundsSolver.java:207)
at fr.lip6.move.gal.application.Application.startNoEx(Application.java:803)
at fr.lip6.move.gal.application.Application.start(Application.java:195)
at fr.lip6.move.gal.itscl.application.Application.start(Application.java:44)
at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:219)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:149)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:115)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:467)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:298)
at java.base/jdk.internal.reflect.DirectMethodHandleAccessor.invoke(DirectMethodHandleAccessor.java:103)
at java.base/java.lang.reflect.Method.invoke(Method.java:580)
at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:615)
at org.eclipse.equinox.launcher.Main.basicRun(Main.java:563)
at org.eclipse.equinox.launcher.Main.run(Main.java:1415)
at org.eclipse.equinox.launcher.Main.main(Main.java:1387)
[2026-05-23 01:47:42] [INFO ] [Real]Absence check using 0 positive and 4 generalized place invariants in 52 ms returned sat
[2026-05-23 01:47:44] [INFO ] [Real]Absence check using state equation in 1240 ms returned sat
[2026-05-23 01:47:44] [INFO ] Computed and/alt/rep : 3085/3787/3085 causal constraints (skipped 8 transitions) in 127 ms.
[2026-05-23 01:47:45] [INFO ] Solution in real domain found non-integer solution.
[2026-05-23 01:47:45] [INFO ] [Nat]Absence check using 0 positive and 4 generalized place invariants in 51 ms returned sat
[2026-05-23 01:47:46] [INFO ] [Nat]Absence check using state equation in 1235 ms returned sat
[2026-05-23 01:47:47] [INFO ] Computed and/alt/rep : 3085/3787/3085 causal constraints (skipped 8 transitions) in 278 ms.
Maximisation of solution failed !
Minimization took 0 ms.
[2026-05-23 01:47:50] [INFO ] [Real]Absence check using 0 positive and 4 generalized place invariants in 51 ms returned sat
[2026-05-23 01:47:51] [INFO ] [Real]Absence check using state equation in 1063 ms returned sat
[2026-05-23 01:47:52] [INFO ] Computed and/alt/rep : 3085/3787/3085 causal constraints (skipped 8 transitions) in 142 ms.
[2026-05-23 01:47:52] [INFO ] Solution in real domain found non-integer solution.
[2026-05-23 01:47:53] [INFO ] [Nat]Absence check using 0 positive and 4 generalized place invariants in 53 ms returned sat
[2026-05-23 01:47:54] [INFO ] [Nat]Absence check using state equation in 1083 ms returned sat
[2026-05-23 01:47:54] [INFO ] Computed and/alt/rep : 3085/3787/3085 causal constraints (skipped 8 transitions) in 139 ms.
[2026-05-23 01:47:57] [WARNING] SMT solver failed with error :java.lang.RuntimeException: SMT solver raised an error when submitting script. Raised (error "Failed to assert expression: java.io.IOException: Stream close... while checking expression at index 5
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:308)
at fr.lip6.move.gal.structural.smt.DeadlockTester.refineWithCausalOrder(DeadlockTester.java:1143)
at fr.lip6.move.gal.structural.smt.DeadlockTester.verifyPossible(DeadlockTester.java:881)
at fr.lip6.move.gal.structural.smt.DeadlockTester.findStructuralMaxWithSMT(DeadlockTester.java:2280)
at fr.lip6.move.gal.application.solver.UpperBoundsSolver.applyReductions(UpperBoundsSolver.java:207)
at fr.lip6.move.gal.application.Application.startNoEx(Application.java:803)
at fr.lip6.move.gal.application.Application.start(Application.java:195)
at fr.lip6.move.gal.itscl.application.Application.start(Application.java:44)
at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:219)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:149)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:115)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:467)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:298)
at java.base/jdk.internal.reflect.DirectMethodHandleAccessor.invoke(DirectMethodHandleAccessor.java:103)
at java.base/java.lang.reflect.Method.invoke(Method.java:580)
at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:615)
at org.eclipse.equinox.launcher.Main.basicRun(Main.java:563)
at org.eclipse.equinox.launcher.Main.run(Main.java:1415)
at org.eclipse.equinox.launcher.Main.main(Main.java:1387)
[2026-05-23 01:47:58] [INFO ] [Real]Absence check using 0 positive and 4 generalized place invariants in 52 ms returned sat
[2026-05-23 01:47:59] [INFO ] [Real]Absence check using state equation in 1204 ms returned sat
[2026-05-23 01:47:59] [INFO ] Computed and/alt/rep : 3085/3787/3085 causal constraints (skipped 8 transitions) in 119 ms.
[2026-05-23 01:48:00] [INFO ] Solution in real domain found non-integer solution.
[2026-05-23 01:48:01] [INFO ] [Nat]Absence check using 0 positive and 4 generalized place invariants in 54 ms returned sat
[2026-05-23 01:48:02] [INFO ] [Nat]Absence check using state equation in 1277 ms returned sat
[2026-05-23 01:48:02] [INFO ] Computed and/alt/rep : 3085/3787/3085 causal constraints (skipped 8 transitions) in 139 ms.
Maximisation of solution failed !
Minimization took 1 ms.
[2026-05-23 01:48:06] [INFO ] [Real]Absence check using 0 positive and 4 generalized place invariants in 50 ms returned sat
[2026-05-23 01:48:07] [INFO ] [Real]Absence check using state equation in 1015 ms returned sat
[2026-05-23 01:48:07] [INFO ] Computed and/alt/rep : 3085/3787/3085 causal constraints (skipped 8 transitions) in 114 ms.
[2026-05-23 01:48:08] [INFO ] Solution in real domain found non-integer solution.
[2026-05-23 01:48:08] [INFO ] [Nat]Absence check using 0 positive and 4 generalized place invariants in 52 ms returned sat
[2026-05-23 01:48:09] [INFO ] [Nat]Absence check using state equation in 1040 ms returned sat
[2026-05-23 01:48:10] [INFO ] Computed and/alt/rep : 3085/3787/3085 causal constraints (skipped 8 transitions) in 120 ms.
[2026-05-23 01:48:13] [WARNING] SMT solver failed with error :java.lang.RuntimeException: SMT solver raised an error when submitting script. Raised (error "Failed to assert expression: java.io.IOException: Stream close... while checking expression at index 7
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:308)
at fr.lip6.move.gal.structural.smt.DeadlockTester.refineWithCausalOrder(DeadlockTester.java:1143)
at fr.lip6.move.gal.structural.smt.DeadlockTester.verifyPossible(DeadlockTester.java:881)
at fr.lip6.move.gal.structural.smt.DeadlockTester.findStructuralMaxWithSMT(DeadlockTester.java:2280)
at fr.lip6.move.gal.application.solver.UpperBoundsSolver.applyReductions(UpperBoundsSolver.java:207)
at fr.lip6.move.gal.application.Application.startNoEx(Application.java:803)
at fr.lip6.move.gal.application.Application.start(Application.java:195)
at fr.lip6.move.gal.itscl.application.Application.start(Application.java:44)
at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:219)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:149)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:115)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:467)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:298)
at java.base/jdk.internal.reflect.DirectMethodHandleAccessor.invoke(DirectMethodHandleAccessor.java:103)
at java.base/java.lang.reflect.Method.invoke(Method.java:580)
at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:615)
at org.eclipse.equinox.launcher.Main.basicRun(Main.java:563)
at org.eclipse.equinox.launcher.Main.run(Main.java:1415)
at org.eclipse.equinox.launcher.Main.main(Main.java:1387)
[2026-05-23 01:48:13] [INFO ] [Real]Absence check using 0 positive and 4 generalized place invariants in 48 ms returned sat
[2026-05-23 01:48:15] [INFO ] [Real]Absence check using state equation in 1200 ms returned sat
[2026-05-23 01:48:15] [INFO ] Computed and/alt/rep : 3085/3787/3085 causal constraints (skipped 8 transitions) in 117 ms.
[2026-05-23 01:48:16] [INFO ] Solution in real domain found non-integer solution.
[2026-05-23 01:48:16] [INFO ] [Nat]Absence check using 0 positive and 4 generalized place invariants in 53 ms returned sat
[2026-05-23 01:48:17] [INFO ] [Nat]Absence check using state equation in 1284 ms returned sat
[2026-05-23 01:48:18] [INFO ] Computed and/alt/rep : 3085/3787/3085 causal constraints (skipped 8 transitions) in 140 ms.
Maximisation of solution failed !
Minimization took 1 ms.
[2026-05-23 01:48:21] [INFO ] [Real]Absence check using 0 positive and 4 generalized place invariants in 50 ms returned sat
[2026-05-23 01:48:22] [INFO ] [Real]Absence check using state equation in 1281 ms returned sat
[2026-05-23 01:48:23] [INFO ] Computed and/alt/rep : 3085/3787/3085 causal constraints (skipped 8 transitions) in 135 ms.
[2026-05-23 01:48:24] [INFO ] Solution in real domain found non-integer solution.
[2026-05-23 01:48:24] [INFO ] [Nat]Absence check using 0 positive and 4 generalized place invariants in 50 ms returned sat
[2026-05-23 01:48:25] [INFO ] [Nat]Absence check using state equation in 1277 ms returned sat
[2026-05-23 01:48:26] [INFO ] Computed and/alt/rep : 3085/3787/3085 causal constraints (skipped 8 transitions) in 138 ms.
Maximisation of solution failed !
Minimization took 0 ms.
[2026-05-23 01:48:29] [INFO ] [Real]Absence check using 0 positive and 4 generalized place invariants in 50 ms returned sat
[2026-05-23 01:48:30] [INFO ] [Real]Absence check using state equation in 1102 ms returned sat
[2026-05-23 01:48:31] [INFO ] Computed and/alt/rep : 3085/3787/3085 causal constraints (skipped 8 transitions) in 133 ms.
[2026-05-23 01:48:31] [INFO ] Solution in real domain found non-integer solution.
[2026-05-23 01:48:32] [INFO ] [Nat]Absence check using 0 positive and 4 generalized place invariants in 50 ms returned sat
[2026-05-23 01:48:33] [INFO ] [Nat]Absence check using state equation in 999 ms returned sat
[2026-05-23 01:48:33] [INFO ] Computed and/alt/rep : 3085/3787/3085 causal constraints (skipped 8 transitions) in 120 ms.
[2026-05-23 01:48:36] [WARNING] SMT solver failed with error :java.lang.RuntimeException: SMT solver raised an error when submitting script. Raised (error "Timeout of Z3 solver reached")... while checking expression at index 10
java.lang.RuntimeException: SMT solver raised an error when submitting script. Raised (error "Timeout of Z3 solver reached")...
at fr.lip6.move.gal.structural.smt.SMTUtils.execAndCheckResult(SMTUtils.java:308)
at fr.lip6.move.gal.structural.smt.DeadlockTester.refineWithCausalOrder(DeadlockTester.java:1143)
at fr.lip6.move.gal.structural.smt.DeadlockTester.verifyPossible(DeadlockTester.java:881)
at fr.lip6.move.gal.structural.smt.DeadlockTester.findStructuralMaxWithSMT(DeadlockTester.java:2280)
at fr.lip6.move.gal.application.solver.UpperBoundsSolver.applyReductions(UpperBoundsSolver.java:207)
at fr.lip6.move.gal.application.Application.startNoEx(Application.java:803)
at fr.lip6.move.gal.application.Application.start(Application.java:195)
at fr.lip6.move.gal.itscl.application.Application.start(Application.java:44)
at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:219)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:149)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:115)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:467)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:298)
at java.base/jdk.internal.reflect.DirectMethodHandleAccessor.invoke(DirectMethodHandleAccessor.java:103)
at java.base/java.lang.reflect.Method.invoke(Method.java:580)
at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:615)
at org.eclipse.equinox.launcher.Main.basicRun(Main.java:563)
at org.eclipse.equinox.launcher.Main.run(Main.java:1415)
at org.eclipse.equinox.launcher.Main.main(Main.java:1387)
[2026-05-23 01:48:37] [INFO ] [Real]Absence check using 0 positive and 4 generalized place invariants in 49 ms returned sat
[2026-05-23 01:48:38] [INFO ] [Real]Absence check using state equation in 1129 ms returned sat
[2026-05-23 01:48:38] [INFO ] Computed and/alt/rep : 3085/3787/3085 causal constraints (skipped 8 transitions) in 133 ms.
[2026-05-23 01:48:39] [INFO ] Solution in real domain found non-integer solution.
[2026-05-23 01:48:40] [INFO ] [Nat]Absence check using 0 positive and 4 generalized place invariants in 53 ms returned sat
[2026-05-23 01:48:41] [INFO ] [Nat]Absence check using state equation in 960 ms returned sat
[2026-05-23 01:48:41] [INFO ] Computed and/alt/rep : 3085/3787/3085 causal constraints (skipped 8 transitions) in 111 ms.
Maximisation of solution failed !
Minimization took 0 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0] Max Struct:[1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0] Max Struct:[1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
FORMULA CloudReconfiguration-PT-304-UpperBounds-02 1 TECHNIQUES TOPOLOGICAL PARIKH_GUIDED_WALK
Support contains 11 out of 2584 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 2584/2584 places, 3094/3094 transitions.
Graph (trivial) has 2936 edges and 2584 vertex of which 873 / 2584 are part of one of the 63 SCC in 15 ms
Free SCC test removed 810 places
Drop transitions (Empty/Sink Transition effects.) removed 989 transitions
Reduce isomorphic transitions removed 989 transitions.
Graph (complete) has 2383 edges and 1774 vertex of which 1760 are kept as prefixes of interest. Removing 14 places using SCC suffix rule.4 ms
Discarding 14 places :
Also discarding 9 output transitions
Drop transitions (Output transitions of discarded places.) removed 9 transitions
Drop transitions (Empty/Sink Transition effects.) removed 9 transitions
Reduce isomorphic transitions removed 9 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 1180 transitions
Trivial Post-agglo rules discarded 1180 transitions
Performed 1180 trivial Post agglomeration. Transition count delta: 1180
Iterating post reduction 0 with 1189 rules applied. Total rules applied 1191 place count 1760 transition count 907
Reduce places removed 1180 places and 0 transitions.
Ensure Unique test removed 77 transitions
Reduce isomorphic transitions removed 77 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 63 transitions
Trivial Post-agglo rules discarded 63 transitions
Performed 63 trivial Post agglomeration. Transition count delta: 63
Iterating post reduction 1 with 1320 rules applied. Total rules applied 2511 place count 580 transition count 767
Reduce places removed 63 places and 0 transitions.
Ensure Unique test removed 6 transitions
Reduce isomorphic transitions removed 6 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 3 transitions
Trivial Post-agglo rules discarded 3 transitions
Performed 3 trivial Post agglomeration. Transition count delta: 3
Iterating post reduction 2 with 72 rules applied. Total rules applied 2583 place count 517 transition count 758
Reduce places removed 3 places and 0 transitions.
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 4 transitions
Trivial Post-agglo rules discarded 4 transitions
Performed 4 trivial Post agglomeration. Transition count delta: 4
Iterating post reduction 3 with 9 rules applied. Total rules applied 2592 place count 514 transition count 752
Reduce places removed 4 places and 0 transitions.
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 2 transitions
Trivial Post-agglo rules discarded 2 transitions
Performed 2 trivial Post agglomeration. Transition count delta: 2
Iterating post reduction 4 with 8 rules applied. Total rules applied 2600 place count 510 transition count 748
Reduce places removed 2 places and 0 transitions.
Performed 8 Post agglomeration using F-continuation condition.Transition count delta: 8
Iterating post reduction 5 with 10 rules applied. Total rules applied 2610 place count 508 transition count 740
Reduce places removed 8 places and 0 transitions.
Iterating post reduction 6 with 8 rules applied. Total rules applied 2618 place count 500 transition count 740
Performed 21 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 7 with 21 Pre rules applied. Total rules applied 2618 place count 500 transition count 719
Deduced a syphon composed of 21 places in 1 ms
Reduce places removed 21 places and 0 transitions.
Iterating global reduction 7 with 42 rules applied. Total rules applied 2660 place count 479 transition count 719
Discarding 75 places :
Symmetric choice reduction at 7 with 75 rule applications. Total rules 2735 place count 404 transition count 644
Iterating global reduction 7 with 75 rules applied. Total rules applied 2810 place count 404 transition count 644
Performed 6 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 7 with 6 Pre rules applied. Total rules applied 2810 place count 404 transition count 638
Deduced a syphon composed of 6 places in 1 ms
Reduce places removed 6 places and 0 transitions.
Iterating global reduction 7 with 12 rules applied. Total rules applied 2822 place count 398 transition count 638
Discarding 60 places :
Symmetric choice reduction at 7 with 60 rule applications. Total rules 2882 place count 338 transition count 578
Iterating global reduction 7 with 60 rules applied. Total rules applied 2942 place count 338 transition count 578
Ensure Unique test removed 16 transitions
Reduce isomorphic transitions removed 16 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 16 transitions
Trivial Post-agglo rules discarded 16 transitions
Performed 16 trivial Post agglomeration. Transition count delta: 16
Iterating post reduction 7 with 32 rules applied. Total rules applied 2974 place count 338 transition count 546
Reduce places removed 16 places and 0 transitions.
Ensure Unique test removed 5 transitions
Reduce isomorphic transitions removed 5 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 5 transitions
Trivial Post-agglo rules discarded 5 transitions
Performed 5 trivial Post agglomeration. Transition count delta: 5
Iterating post reduction 8 with 26 rules applied. Total rules applied 3000 place count 322 transition count 536
Reduce places removed 5 places and 0 transitions.
Iterating post reduction 9 with 5 rules applied. Total rules applied 3005 place count 317 transition count 536
Discarding 20 places :
Symmetric choice reduction at 10 with 20 rule applications. Total rules 3025 place count 297 transition count 505
Iterating global reduction 10 with 20 rules applied. Total rules applied 3045 place count 297 transition count 505
Ensure Unique test removed 7 transitions
Reduce isomorphic transitions removed 7 transitions.
Iterating post reduction 10 with 7 rules applied. Total rules applied 3052 place count 297 transition count 498
Discarding 9 places :
Symmetric choice reduction at 11 with 9 rule applications. Total rules 3061 place count 288 transition count 480
Iterating global reduction 11 with 9 rules applied. Total rules applied 3070 place count 288 transition count 480
Discarding 3 places :
Symmetric choice reduction at 11 with 3 rule applications. Total rules 3073 place count 285 transition count 474
Iterating global reduction 11 with 3 rules applied. Total rules applied 3076 place count 285 transition count 474
Performed 153 Post agglomeration using F-continuation condition with reduction of 80 identical transitions.
Deduced a syphon composed of 153 places in 0 ms
Reduce places removed 153 places and 0 transitions.
Iterating global reduction 11 with 306 rules applied. Total rules applied 3382 place count 132 transition count 241
Drop transitions (Empty/Sink Transition effects.) removed 2 transitions
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 4 transitions.
Iterating post reduction 11 with 4 rules applied. Total rules applied 3386 place count 132 transition count 237
Performed 2 Post agglomeration using F-continuation condition.Transition count delta: 2
Deduced a syphon composed of 2 places in 0 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 12 with 4 rules applied. Total rules applied 3390 place count 130 transition count 235
Ensure Unique test removed 4 transitions
Reduce isomorphic transitions removed 4 transitions.
Iterating post reduction 12 with 4 rules applied. Total rules applied 3394 place count 130 transition count 231
Performed 2 Post agglomeration using F-continuation condition.Transition count delta: 2
Deduced a syphon composed of 2 places in 1 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 13 with 4 rules applied. Total rules applied 3398 place count 128 transition count 229
Ensure Unique test removed 4 transitions
Reduce isomorphic transitions removed 4 transitions.
Iterating post reduction 13 with 4 rules applied. Total rules applied 3402 place count 128 transition count 225
Performed 34 Post agglomeration using F-continuation condition with reduction of 12 identical transitions.
Deduced a syphon composed of 34 places in 0 ms
Reduce places removed 34 places and 0 transitions.
Iterating global reduction 14 with 68 rules applied. Total rules applied 3470 place count 94 transition count 265
Drop transitions (Empty/Sink Transition effects.) removed 20 transitions
Ensure Unique test removed 28 transitions
Reduce isomorphic transitions removed 48 transitions.
Iterating post reduction 14 with 48 rules applied. Total rules applied 3518 place count 94 transition count 217
Discarding 21 places :
Symmetric choice reduction at 15 with 21 rule applications. Total rules 3539 place count 73 transition count 189
Iterating global reduction 15 with 21 rules applied. Total rules applied 3560 place count 73 transition count 189
Ensure Unique test removed 11 transitions
Reduce isomorphic transitions removed 11 transitions.
Iterating post reduction 15 with 11 rules applied. Total rules applied 3571 place count 73 transition count 178
Discarding 5 places :
Symmetric choice reduction at 16 with 5 rule applications. Total rules 3576 place count 68 transition count 168
Iterating global reduction 16 with 5 rules applied. Total rules applied 3581 place count 68 transition count 168
Ensure Unique test removed 4 transitions
Reduce isomorphic transitions removed 4 transitions.
Iterating post reduction 16 with 4 rules applied. Total rules applied 3585 place count 68 transition count 164
Drop transitions (Redundant composition of simpler transitions.) removed 29 transitions
Redundant transition composition rules discarded 29 transitions
Iterating global reduction 17 with 29 rules applied. Total rules applied 3614 place count 68 transition count 135
Discarding 3 places :
Symmetric choice reduction at 17 with 3 rule applications. Total rules 3617 place count 65 transition count 128
Iterating global reduction 17 with 3 rules applied. Total rules applied 3620 place count 65 transition count 128
Discarding 2 places :
Symmetric choice reduction at 17 with 2 rule applications. Total rules 3622 place count 63 transition count 126
Iterating global reduction 17 with 2 rules applied. Total rules applied 3624 place count 63 transition count 126
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 17 with 2 rules applied. Total rules applied 3626 place count 63 transition count 124
Drop transitions (Redundant composition of simpler transitions.) removed 2 transitions
Redundant transition composition rules discarded 2 transitions
Iterating global reduction 18 with 2 rules applied. Total rules applied 3628 place count 63 transition count 122
Free-agglomeration rule applied 6 times.
Iterating global reduction 18 with 6 rules applied. Total rules applied 3634 place count 63 transition count 116
Reduce places removed 6 places and 0 transitions.
Drop transitions (Empty/Sink Transition effects.) removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 18 with 7 rules applied. Total rules applied 3641 place count 57 transition count 115
Drop transitions (Redundant composition of simpler transitions.) removed 2 transitions
Redundant transition composition rules discarded 2 transitions
Iterating global reduction 19 with 2 rules applied. Total rules applied 3643 place count 57 transition count 113
Partial Free-agglomeration rule applied 9 times.
Drop transitions (Partial Free agglomeration) removed 9 transitions
Iterating global reduction 19 with 9 rules applied. Total rules applied 3652 place count 57 transition count 113
Drop transitions (Empty/Sink Transition effects.) removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 19 with 1 rules applied. Total rules applied 3653 place count 57 transition count 112
Drop transitions (Redundant composition of simpler transitions.) removed 2 transitions
Redundant transition composition rules discarded 2 transitions
Iterating global reduction 20 with 2 rules applied. Total rules applied 3655 place count 57 transition count 110
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 20 with 1 rules applied. Total rules applied 3656 place count 56 transition count 109
Applied a total of 3656 rules in 279 ms. Remains 56 /2584 variables (removed 2528) and now considering 109/3094 (removed 2985) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 285 ms. Remains : 56/2584 places, 109/3094 transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-9971375175332766022.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-9520160362082294474.kers'
[2026-05-23 01:48:45] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-9971375175332766022.kers, --Pflows, --basisKERS=/tmp/petrispot-output-9520160362082294474.kers]
Normalized transition count is 106 out of 109 initially.
Culled 0 columns in 0 ms.
// Phase 1: matrix 106 rows 56 cols 277 entries
Finished phase 1 with 52 SingleSign rule and 0 generalized
[2026-05-23 01:48:45] [INFO ] Computed 4 invariants in 0 ms
Computed 4 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-9520160362082294474.kers
Total runtime 0 ms.
Current structural bounds on expressions (after invariants) : Max Seen:[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0] Max Struct:[1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
RANDOM walk for 1000000 steps (23025 resets) in 881 ms. (1133 steps per ms)
FORMULA CloudReconfiguration-PT-304-UpperBounds-14 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA CloudReconfiguration-PT-304-UpperBounds-13 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA CloudReconfiguration-PT-304-UpperBounds-10 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA CloudReconfiguration-PT-304-UpperBounds-09 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA CloudReconfiguration-PT-304-UpperBounds-08 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA CloudReconfiguration-PT-304-UpperBounds-07 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA CloudReconfiguration-PT-304-UpperBounds-06 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA CloudReconfiguration-PT-304-UpperBounds-05 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA CloudReconfiguration-PT-304-UpperBounds-04 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA CloudReconfiguration-PT-304-UpperBounds-03 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA CloudReconfiguration-PT-304-UpperBounds-01 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
BEST_FIRST walk for 1000000 steps (5862 resets) in 351 ms. (2840 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[] Max Struct:[]
All properties solved without resorting to model-checking.
Total runtime 97871 ms.

BK_STOP 1779500926407

--------------------
content from stderr:

+ export BINDIR=/home/mcc/BenchKit/bin//../itstools/bin//../
+ BINDIR=/home/mcc/BenchKit/bin//../itstools/bin//../
++ pwd
+ export MODEL=/home/mcc/execution
+ MODEL=/home/mcc/execution
+ [[ UpperBounds = StateSpace ]]
+ /home/mcc/BenchKit/bin//../itstools/bin//..//runeclipse.sh /home/mcc/execution UpperBounds -its -ltsmin -greatspnpath /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/ -order META -manyOrder -smt -timeout 3600
+ ulimit -s 65536
+ [[ -z '' ]]
+ export LTSMIN_MEM_SIZE=8589934592
+ LTSMIN_MEM_SIZE=8589934592
++ sed s/.jar//
++ perl -pe 's/.*\.//g'
++ ls /home/mcc/BenchKit/bin//../itstools/bin//..//itstools/plugins/fr.lip6.move.gal.application.pnmcc_1.0.0.202604301425.jar
+ VERSION=202604301425
+ echo 'Running Version 202604301425'
+ /home/mcc/BenchKit/bin//../itstools/bin//..//itstools/its-tools -pnfolder /home/mcc/execution -examination UpperBounds -its -ltsmin -greatspnpath /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/ -order META -manyOrder -smt -timeout 3600

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="CloudReconfiguration-PT-304"
export BK_EXAMINATION="UpperBounds"
export BK_TOOL="itstools"
export BK_RESULT_DIR="/tmp/BK_RESULTS/OUTPUTS"
export BK_TIME_CONFINEMENT="3600"
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 2-5973"
echo " Executing tool itstools"
echo " Input is CloudReconfiguration-PT-304, examination is UpperBounds"
echo " Time confinement is $BK_TIME_CONFINEMENT seconds"
echo " Memory confinement is 16384 MBytes"
echo " Number of cores is 4"
echo " Run identifier is r066-tall-177946967500141"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/CloudReconfiguration-PT-304.tgz
mv CloudReconfiguration-PT-304 execution
cd execution
if [ "UpperBounds" = "ReachabilityDeadlock" ] || [ "UpperBounds" = "UpperBounds" ] || [ "UpperBounds" = "QuasiLiveness" ] || [ "UpperBounds" = "StableMarking" ] || [ "UpperBounds" = "Liveness" ] || [ "UpperBounds" = "OneSafe" ] || [ "UpperBounds" = "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 [ "UpperBounds" = "UpperBounds" ] ; then
echo "The expected result is a vector of positive values"
echo NUM_VECTOR
elif [ "UpperBounds" != "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 "UpperBounds.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 '' UpperBounds.xml | cut -d '>' -f 2 | cut -d '<' -f 1 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ "UpperBounds" = "ReachabilityDeadlock" ] || [ "UpperBounds" = "QuasiLiveness" ] || [ "UpperBounds" = "StableMarking" ] || [ "UpperBounds" = "Liveness" ] || [ "UpperBounds" = "OneSafe" ] ; then
echo "FORMULA_NAME UpperBounds"
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 ;