fond
Model Checking Contest 2023
13th edition, Paris, France, April 26, 2023 (at TOOLympics II)
Execution of r489-tall-167912707000615
Last Updated
May 14, 2023

About the Execution of LTSMin+red for TokenRing-COL-040

Execution Summary
Max Memory
Used (MB)
Time wait (ms) CPU Usage (ms) I/O Wait (ms) Computed Result Execution
Status
4474.084 3600000.00 12387872.00 2192.90 TFTTTFFFFTFFTT?F normal

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.r489-tall-167912707000615.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)
...............................................................................................
=====================================================================
Generated by BenchKit 2-5348
Executing tool ltsminxred
Input is TokenRing-COL-040, examination is ReachabilityFireability
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r489-tall-167912707000615
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 408K
-rw-r--r-- 1 mcc users 6.4K Feb 25 21:41 CTLCardinality.txt
-rw-r--r-- 1 mcc users 62K Feb 25 21:41 CTLCardinality.xml
-rw-r--r-- 1 mcc users 6.3K Feb 25 18:59 CTLFireability.txt
-rw-r--r-- 1 mcc users 51K Feb 25 18:59 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K Jan 29 11:41 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 6.6K Jan 29 11:41 GenericPropertiesVerdict.xml
-rw-r--r-- 1 mcc users 3.6K Feb 25 17:21 LTLCardinality.txt
-rw-r--r-- 1 mcc users 24K Feb 25 17:21 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.6K Feb 25 17:21 LTLFireability.txt
-rw-r--r-- 1 mcc users 17K Feb 25 17:21 LTLFireability.xml
-rw-r--r-- 1 mcc users 9.5K Feb 26 16:31 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 93K Feb 26 16:31 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 6.7K Feb 26 13:40 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 44K Feb 26 13:40 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.6K Feb 25 17:21 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.7K Feb 25 17:21 UpperBounds.xml
-rw-r--r-- 1 mcc users 5 Mar 5 18:23 equiv_pt
-rw-r--r-- 1 mcc users 4 Mar 5 18:23 instance
-rw-r--r-- 1 mcc users 5 Mar 5 18:23 iscolored
-rw-r--r-- 1 mcc users 28K 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

here is the order used to build the result vector(from text file)
FORMULA_NAME TokenRing-COL-040-ReachabilityFireability-00
FORMULA_NAME TokenRing-COL-040-ReachabilityFireability-01
FORMULA_NAME TokenRing-COL-040-ReachabilityFireability-02
FORMULA_NAME TokenRing-COL-040-ReachabilityFireability-03
FORMULA_NAME TokenRing-COL-040-ReachabilityFireability-04
FORMULA_NAME TokenRing-COL-040-ReachabilityFireability-05
FORMULA_NAME TokenRing-COL-040-ReachabilityFireability-06
FORMULA_NAME TokenRing-COL-040-ReachabilityFireability-07
FORMULA_NAME TokenRing-COL-040-ReachabilityFireability-08
FORMULA_NAME TokenRing-COL-040-ReachabilityFireability-09
FORMULA_NAME TokenRing-COL-040-ReachabilityFireability-10
FORMULA_NAME TokenRing-COL-040-ReachabilityFireability-11
FORMULA_NAME TokenRing-COL-040-ReachabilityFireability-12
FORMULA_NAME TokenRing-COL-040-ReachabilityFireability-13
FORMULA_NAME TokenRing-COL-040-ReachabilityFireability-14
FORMULA_NAME TokenRing-COL-040-ReachabilityFireability-15

=== Now, execution of the tool begins

BK_START 1679287616007

bash -c /home/mcc/BenchKit/BenchKit_head.sh 2> STDERR ; echo ; echo -n "BK_STOP " ; date -u +%s%3N
Invoking MCC driver with
BK_TOOL=ltsminxred
BK_EXAMINATION=ReachabilityFireability
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=TokenRing-COL-040
Applying reductions before tool ltsmin
Invoking reducer
Running Version 202303021504
[2023-03-20 04:46:57] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, ReachabilityFireability, -timeout, 360, -rebuildPNML]
[2023-03-20 04:46:57] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2023-03-20 04:46:57] [INFO ] Detected file is not PT type :http://www.pnml.org/version-2009/grammar/symmetricnet
log4j:WARN No appenders could be found for logger (org.apache.axiom.locator.DefaultOMMetaFactoryLocator).
log4j:WARN Please initialize the log4j system properly.
log4j:WARN See http://logging.apache.org/log4j/1.2/faq.html#noconfig for more info.
[2023-03-20 04:46:58] [WARNING] Using fallBack plugin, rng conformance not checked
[2023-03-20 04:46:58] [INFO ] Load time of PNML (colored model parsed with PNMLFW) : 611 ms
[2023-03-20 04:46:58] [INFO ] Imported 1 HL places and 2 HL transitions for a total of 1681 PT places and 68962.0 transition bindings in 18 ms.
Parsed 16 properties from file /home/mcc/execution/ReachabilityFireability.xml in 11 ms.
Working with output stream class java.io.PrintStream
FORMULA TokenRing-COL-040-ReachabilityFireability-00 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA TokenRing-COL-040-ReachabilityFireability-05 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
[2023-03-20 04:46:58] [INFO ] Built PT skeleton of HLPN with 1 places and 2 transitions 4 arcs in 3 ms.
[2023-03-20 04:46:58] [INFO ] Skeletonized 14 HLPN properties in 1 ms.
Remains 1 properties that can be checked using skeleton over-approximation.
Reduce places removed 1 places and 0 transitions.
Ensure Unique test removed 1 transitions
Reduce redundant transitions removed 1 transitions.
Skeleton over-approximation was not fine enough to positively prove more properties of the HLPN.
Domain [Process(41), Process(41)] of place State breaks symmetries in sort Process
[2023-03-20 04:46:58] [INFO ] Unfolded HLPN to a Petri net with 1681 places and 65641 transitions 262564 arcs in 435 ms.
[2023-03-20 04:46:58] [INFO ] Unfolded 14 HLPN properties in 39 ms.
Incomplete random walk after 10000 steps, including 2 resets, run finished after 2422 ms. (steps per millisecond=4 ) properties (out of 14) seen :13
FORMULA TokenRing-COL-040-ReachabilityFireability-15 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA TokenRing-COL-040-ReachabilityFireability-13 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA TokenRing-COL-040-ReachabilityFireability-12 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA TokenRing-COL-040-ReachabilityFireability-11 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA TokenRing-COL-040-ReachabilityFireability-10 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA TokenRing-COL-040-ReachabilityFireability-09 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA TokenRing-COL-040-ReachabilityFireability-08 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA TokenRing-COL-040-ReachabilityFireability-07 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA TokenRing-COL-040-ReachabilityFireability-06 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA TokenRing-COL-040-ReachabilityFireability-04 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA TokenRing-COL-040-ReachabilityFireability-03 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA TokenRing-COL-040-ReachabilityFireability-02 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA TokenRing-COL-040-ReachabilityFireability-01 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
Interrupted Best-First random walk after 630 steps, including 0 resets, run timeout after 5028 ms. (steps per millisecond=0 ) properties seen 0
Running SMT prover for 1 properties.
// Phase 1: matrix 65641 rows 1681 cols
[2023-03-20 04:47:09] [INFO ] Computed 41 place invariants in 335 ms
[2023-03-20 04:47:11] [INFO ] [Real]Absence check using 41 positive place invariants in 39 ms returned sat
[2023-03-20 04:47:34] [INFO ] After 22146ms SMT Verify possible using state equation in real domain returned unsat :0 sat :1
[2023-03-20 04:47:35] [INFO ] State equation strengthened by 64040 read => feed constraints.
java.lang.RuntimeException: SMT solver raised an error when submitting script. Raised (error "Failed to assert expression: java.io.IOException: Stream close...
at fr.lip6.move.gal.structural.smt.SMTUtils.execAndCheckResult(SMTUtils.java:251)
at fr.lip6.move.gal.structural.smt.DeadlockTester.verifyPossible(DeadlockTester.java:642)
at fr.lip6.move.gal.structural.smt.DeadlockTester.testUnreachableWithSMTIncremental(DeadlockTester.java:339)
at fr.lip6.move.gal.structural.smt.DeadlockTester.testUnreachableWithSMT(DeadlockTester.java:223)
at fr.lip6.move.gal.application.solver.ReachabilitySolver.applyReductions(ReachabilitySolver.java:95)
at fr.lip6.move.gal.application.Application.startNoEx(Application.java:902)
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)
[2023-03-20 04:47:35] [WARNING] SMT solver failed with error :SMT solver raised an error when submitting script.... while checking expressions.
[2023-03-20 04:47:35] [INFO ] After 25549ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0
Parikh walk visited 0 properties in 27 ms.
Support contains 1681 out of 1681 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 1681/1681 places, 65641/65641 transitions.
Applied a total of 0 rules in 434 ms. Remains 1681 /1681 variables (removed 0) and now considering 65641/65641 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 442 ms. Remains : 1681/1681 places, 65641/65641 transitions.
Incomplete random walk after 10000 steps, including 2 resets, run finished after 2141 ms. (steps per millisecond=4 ) properties (out of 1) seen :0
Interrupted Best-First random walk after 673 steps, including 0 resets, run timeout after 5012 ms. (steps per millisecond=0 ) properties seen 0
Interrupted probabilistic random walk after 75083 steps, run timeout after 21001 ms. (steps per millisecond=3 ) properties seen :{}
Probabilistic random walk after 75083 steps, saw 34193 distinct states, run finished after 21006 ms. (steps per millisecond=3 ) properties seen :0
Running SMT prover for 1 properties.
[2023-03-20 04:48:04] [INFO ] Invariant cache hit.
[2023-03-20 04:48:05] [INFO ] [Real]Absence check using 41 positive place invariants in 44 ms returned sat
[2023-03-20 04:48:28] [INFO ] After 22392ms SMT Verify possible using state equation in real domain returned unsat :0 sat :1
[2023-03-20 04:48:29] [INFO ] State equation strengthened by 64040 read => feed constraints.
java.lang.RuntimeException: SMT solver raised an error when submitting script. Raised (error "Failed to assert expression: java.io.IOException: Stream close...
at fr.lip6.move.gal.structural.smt.SMTUtils.execAndCheckResult(SMTUtils.java:251)
at fr.lip6.move.gal.structural.smt.DeadlockTester.verifyPossible(DeadlockTester.java:642)
at fr.lip6.move.gal.structural.smt.DeadlockTester.testUnreachableWithSMTIncremental(DeadlockTester.java:339)
at fr.lip6.move.gal.structural.smt.DeadlockTester.testUnreachableWithSMT(DeadlockTester.java:223)
at fr.lip6.move.gal.application.solver.ReachabilitySolver.applyReductions(ReachabilitySolver.java:95)
at fr.lip6.move.gal.application.Application.startNoEx(Application.java:902)
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)
[2023-03-20 04:48:29] [WARNING] SMT solver failed with error :SMT solver raised an error when submitting script.... while checking expressions.
[2023-03-20 04:48:29] [INFO ] After 25313ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0
Parikh walk visited 0 properties in 15 ms.
Support contains 1681 out of 1681 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 1681/1681 places, 65641/65641 transitions.
Applied a total of 0 rules in 356 ms. Remains 1681 /1681 variables (removed 0) and now considering 65641/65641 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 356 ms. Remains : 1681/1681 places, 65641/65641 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 1681/1681 places, 65641/65641 transitions.
Applied a total of 0 rules in 436 ms. Remains 1681 /1681 variables (removed 0) and now considering 65641/65641 (removed 0) transitions.
[2023-03-20 04:48:30] [INFO ] Invariant cache hit.
[2023-03-20 04:48:30] [INFO ] Implicit Places using invariants in 238 ms returned []
Implicit Place search using SMT only with invariants took 240 ms to find 0 implicit places.
[2023-03-20 04:48:30] [INFO ] Invariant cache hit.
[2023-03-20 04:48:51] [INFO ] Dead Transitions using invariants and state equation in 21087 ms found 0 transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 21773 ms. Remains : 1681/1681 places, 65641/65641 transitions.
Applied a total of 0 rules in 166 ms. Remains 1681 /1681 variables (removed 0) and now considering 65641/65641 (removed 0) transitions.
Running SMT prover for 1 properties.
[2023-03-20 04:48:52] [INFO ] Invariant cache hit.
[2023-03-20 04:48:53] [INFO ] [Real]Absence check using 41 positive place invariants in 39 ms returned sat
[2023-03-20 04:49:16] [INFO ] After 21671ms SMT Verify possible using state equation in real domain returned unsat :0 sat :1
[2023-03-20 04:49:18] [INFO ] After 23657ms SMT Verify possible using trap constraints in real domain returned unsat :0 sat :1
Attempting to minimize the solution found.
Minimization took 1147 ms.
[2023-03-20 04:49:19] [INFO ] After 26767ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :1
[2023-03-20 04:49:20] [INFO ] Export to MCC of 1 properties in file /home/mcc/execution/ReachabilityFireability.sr.xml took 196 ms.
[2023-03-20 04:49:20] [INFO ] Export to PNML in file /home/mcc/execution/model.sr.pnml of net with 1681 places, 65641 transitions and 262564 arcs took 234 ms.
[2023-03-20 04:49:23] [INFO ] Flatten gal took : 2025 ms
Total runtime 145843 ms.
There are residual formulas that ITS could not solve within timeout
pnml2lts-sym model.pnml --lace-workers=4 --vset=lddmc --saturation=sat -rbs,w2W,ru,hf --sylvan-sizes=20,28,20,28 --inv-bin-par --invariant=/tmp/547/inv_0_ --inv-par
TIME LIMIT: Killed by timeout after 3600 seconds
MemTotal: 16393216 kB
MemFree: 11591768 kB
After kill :
MemTotal: 16393216 kB
MemFree: 16017480 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 ReachabilityFireability -timeout 360 -rebuildPNML
mcc2023

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="TokenRing-COL-040"
export BK_EXAMINATION="ReachabilityFireability"
export BK_TOOL="ltsminxred"
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 2-5348"
echo " Executing tool ltsminxred"
echo " Input is TokenRing-COL-040, examination is ReachabilityFireability"
echo " Time confinement is $BK_TIME_CONFINEMENT seconds"
echo " Memory confinement is 16384 MBytes"
echo " Number of cores is 4"
echo " Run identifier is r489-tall-167912707000615"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/TokenRing-COL-040.tgz
mv TokenRing-COL-040 execution
cd execution
if [ "ReachabilityFireability" = "ReachabilityDeadlock" ] || [ "ReachabilityFireability" = "UpperBounds" ] || [ "ReachabilityFireability" = "QuasiLiveness" ] || [ "ReachabilityFireability" = "StableMarking" ] || [ "ReachabilityFireability" = "Liveness" ] || [ "ReachabilityFireability" = "OneSafe" ] || [ "ReachabilityFireability" = "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 [ "ReachabilityFireability" = "UpperBounds" ] ; then
echo "The expected result is a vector of positive values"
echo NUM_VECTOR
elif [ "ReachabilityFireability" != "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 "ReachabilityFireability.txt" ] ; then
echo "here is the order used to build the result vector(from text file)"
for x in $(grep Property ReachabilityFireability.txt | cut -d ' ' -f 2 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ -f "ReachabilityFireability.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 '' ReachabilityFireability.xml | cut -d '>' -f 2 | cut -d '<' -f 1 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ "ReachabilityFireability" = "ReachabilityDeadlock" ] || [ "ReachabilityFireability" = "QuasiLiveness" ] || [ "ReachabilityFireability" = "StableMarking" ] || [ "ReachabilityFireability" = "Liveness" ] || [ "ReachabilityFireability" = "OneSafe" ] ; then
echo "FORMULA_NAME ReachabilityFireability"
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 ;