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.r409-oct2-167903727500078.qcow2', fmt=qcow2 cluster_size=65536 extended_l2=off compression_type=zlib size=4294967296 backing_file=/data/fkordon/mcc2023-input.qcow2 backing_fmt=qcow2 lazy_refcounts=off refcount_bits=16
Waiting for the VM to be ready (probing ssh)
......................
=====================================================================
Generated by BenchKit 2-5348
Executing tool smartxred
Input is ShieldIIPs-PT-030B, examination is StableMarking
Time confinement is 1800 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r409-oct2-167903727500078
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 956K
-rw-r--r-- 1 mcc users 6.4K Feb 25 16:25 CTLCardinality.txt
-rw-r--r-- 1 mcc users 68K Feb 25 16:25 CTLCardinality.xml
-rw-r--r-- 1 mcc users 7.1K Feb 25 16:25 CTLFireability.txt
-rw-r--r-- 1 mcc users 69K Feb 25 16:25 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K Jan 29 11:41 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 3.7K Feb 25 16:55 LTLCardinality.txt
-rw-r--r-- 1 mcc users 25K Feb 25 16:55 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.3K Feb 25 16:55 LTLFireability.txt
-rw-r--r-- 1 mcc users 17K Feb 25 16:55 LTLFireability.xml
-rw-r--r-- 1 mcc users 13K Feb 25 16:26 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 139K Feb 25 16:26 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 6.1K Feb 25 16:25 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 46K Feb 25 16:25 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.6K Feb 25 16:55 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.7K Feb 25 16:55 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 Mar 5 18:23 equiv_col
-rw-r--r-- 1 mcc users 5 Mar 5 18:23 instance
-rw-r--r-- 1 mcc users 6 Mar 5 18:23 iscolored
-rw-r--r-- 1 mcc users 503K 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 StableMarking

=== Now, execution of the tool begins

BK_START 1679770922081

bash -c /home/mcc/BenchKit/BenchKit_head.sh 2> STDERR ; echo ; echo -n "BK_STOP " ; date -u +%s%3N
Invoking MCC driver with
BK_TOOL=smartxred
BK_EXAMINATION=StableMarking
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=1800
BK_INPUT=ShieldIIPs-PT-030B
Applying reductions before tool smart
Invoking reducer
Running Version 202303021504
[2023-03-25 19:02:04] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, StableMarking, -timeout, 180, -rebuildPNML]
[2023-03-25 19:02:04] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2023-03-25 19:02:04] [INFO ] Load time of PNML (sax parser for PT used): 151 ms
[2023-03-25 19:02:05] [INFO ] Transformed 1803 places.
[2023-03-25 19:02:05] [INFO ] Transformed 1773 transitions.
[2023-03-25 19:02:05] [INFO ] Found NUPN structural information;
[2023-03-25 19:02:05] [INFO ] Parsed PT model containing 1803 places and 1773 transitions and 5346 arcs in 341 ms.
Structural test allowed to assert that 812 places are NOT stable. Took 28 ms.
Incomplete random walk after 10000 steps, including 2 resets, run finished after 863 ms. (steps per millisecond=11 ) properties (out of 991) seen :919
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 5 ms. (steps per millisecond=200 ) properties (out of 72) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 14 ms. (steps per millisecond=71 ) properties (out of 72) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 9 ms. (steps per millisecond=111 ) properties (out of 72) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 22 ms. (steps per millisecond=45 ) properties (out of 72) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 2 ms. (steps per millisecond=500 ) properties (out of 72) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 3 ms. (steps per millisecond=333 ) properties (out of 72) seen :0
Incomplete Best-First random walk after 1000 steps, including 2 resets, run finished after 3 ms. (steps per millisecond=333 ) properties (out of 72) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 2 ms. (steps per millisecond=500 ) properties (out of 72) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 3 ms. (steps per millisecond=333 ) properties (out of 72) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 5 ms. (steps per millisecond=200 ) properties (out of 72) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 5 ms. (steps per millisecond=200 ) properties (out of 72) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 5 ms. (steps per millisecond=200 ) properties (out of 72) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 5 ms. (steps per millisecond=200 ) properties (out of 72) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 3 ms. (steps per millisecond=333 ) properties (out of 72) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 3 ms. (steps per millisecond=333 ) properties (out of 72) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 6 ms. (steps per millisecond=166 ) properties (out of 72) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 19 ms. (steps per millisecond=52 ) properties (out of 72) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 6 ms. (steps per millisecond=166 ) properties (out of 72) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 7 ms. (steps per millisecond=143 ) properties (out of 72) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 6 ms. (steps per millisecond=166 ) properties (out of 72) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 6 ms. (steps per millisecond=166 ) properties (out of 72) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 6 ms. (steps per millisecond=166 ) properties (out of 72) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 6 ms. (steps per millisecond=166 ) properties (out of 72) seen :0
Incomplete Best-First random walk after 1000 steps, including 2 resets, run finished after 6 ms. (steps per millisecond=166 ) properties (out of 72) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 6 ms. (steps per millisecond=166 ) properties (out of 72) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 6 ms. (steps per millisecond=166 ) properties (out of 72) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 6 ms. (steps per millisecond=166 ) properties (out of 72) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 5 ms. (steps per millisecond=200 ) properties (out of 72) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 5 ms. (steps per millisecond=200 ) properties (out of 72) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 4 ms. (steps per millisecond=250 ) properties (out of 72) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 3 ms. (steps per millisecond=333 ) properties (out of 72) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 5 ms. (steps per millisecond=200 ) properties (out of 72) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 5 ms. (steps per millisecond=200 ) properties (out of 72) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 3 ms. (steps per millisecond=333 ) properties (out of 72) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 4 ms. (steps per millisecond=250 ) properties (out of 72) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 6 ms. (steps per millisecond=166 ) properties (out of 72) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 5 ms. (steps per millisecond=200 ) properties (out of 72) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 5 ms. (steps per millisecond=200 ) properties (out of 72) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 5 ms. (steps per millisecond=200 ) properties (out of 72) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 5 ms. (steps per millisecond=200 ) properties (out of 72) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 5 ms. (steps per millisecond=200 ) properties (out of 72) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 6 ms. (steps per millisecond=166 ) properties (out of 72) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 5 ms. (steps per millisecond=200 ) properties (out of 72) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 6 ms. (steps per millisecond=166 ) properties (out of 72) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 5 ms. (steps per millisecond=200 ) properties (out of 72) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 5 ms. (steps per millisecond=200 ) properties (out of 72) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 5 ms. (steps per millisecond=200 ) properties (out of 72) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 6 ms. (steps per millisecond=166 ) properties (out of 72) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 5 ms. (steps per millisecond=200 ) properties (out of 72) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 5 ms. (steps per millisecond=200 ) properties (out of 72) seen :0
Running SMT prover for 72 properties.
// Phase 1: matrix 1773 rows 1803 cols
[2023-03-25 19:02:06] [INFO ] Computed 271 place invariants in 25 ms
[2023-03-25 19:02:10] [INFO ] After 4346ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:72
[2023-03-25 19:02:14] [INFO ] [Nat]Absence check using 271 positive place invariants in 453 ms returned sat
[2023-03-25 19:02:31] [INFO ] After 12355ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :72
[2023-03-25 19:02:31] [INFO ] Deduced a trap composed of 16 places in 574 ms of which 28 ms to minimize.
[2023-03-25 19:02:32] [INFO ] Deduced a trap composed of 17 places in 511 ms of which 2 ms to minimize.
[2023-03-25 19:02:32] [INFO ] Deduced a trap composed of 29 places in 510 ms of which 15 ms to minimize.
[2023-03-25 19:02:33] [INFO ] Deduced a trap composed of 23 places in 624 ms of which 1 ms to minimize.
[2023-03-25 19:02:34] [INFO ] Deduced a trap composed of 19 places in 809 ms of which 2 ms to minimize.
[2023-03-25 19:02:35] [INFO ] Deduced a trap composed of 24 places in 554 ms of which 1 ms to minimize.
[2023-03-25 19:02:35] [INFO ] Deduced a trap composed of 18 places in 523 ms of which 1 ms to minimize.
[2023-03-25 19:02:36] [INFO ] Deduced a trap composed of 29 places in 529 ms of which 1 ms to minimize.
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.refineWithTraps(DeadlockTester.java:1255)
at fr.lip6.move.gal.structural.smt.DeadlockTester.refineResultsWithTraps(DeadlockTester.java:736)
at fr.lip6.move.gal.structural.smt.DeadlockTester.verifyPossible(DeadlockTester.java:656)
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)
[2023-03-25 19:02:36] [WARNING] SMT solver failed with error :SMT solver raised an error when submitting script.... while checking expressions.
[2023-03-25 19:02:36] [INFO ] After 25565ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :0 real:72
Fused 72 Parikh solutions to 69 different solutions.
Parikh walk visited 0 properties in 30009 ms.
Support contains 72 out of 1803 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 1803/1803 places, 1773/1773 transitions.
Drop transitions removed 150 transitions
Trivial Post-agglo rules discarded 150 transitions
Performed 150 trivial Post agglomeration. Transition count delta: 150
Iterating post reduction 0 with 150 rules applied. Total rules applied 150 place count 1803 transition count 1623
Reduce places removed 150 places and 0 transitions.
Iterating post reduction 1 with 150 rules applied. Total rules applied 300 place count 1653 transition count 1623
Performed 151 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 151 Pre rules applied. Total rules applied 300 place count 1653 transition count 1472
Deduced a syphon composed of 151 places in 3 ms
Reduce places removed 151 places and 0 transitions.
Iterating global reduction 2 with 302 rules applied. Total rules applied 602 place count 1502 transition count 1472
Discarding 156 places :
Symmetric choice reduction at 2 with 156 rule applications. Total rules 758 place count 1346 transition count 1316
Iterating global reduction 2 with 156 rules applied. Total rules applied 914 place count 1346 transition count 1316
Performed 90 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 90 Pre rules applied. Total rules applied 914 place count 1346 transition count 1226
Deduced a syphon composed of 90 places in 6 ms
Reduce places removed 90 places and 0 transitions.
Iterating global reduction 2 with 180 rules applied. Total rules applied 1094 place count 1256 transition count 1226
Performed 434 Post agglomeration using F-continuation condition.Transition count delta: 434
Deduced a syphon composed of 434 places in 4 ms
Reduce places removed 434 places and 0 transitions.
Iterating global reduction 2 with 868 rules applied. Total rules applied 1962 place count 822 transition count 792
Renaming transitions due to excessive name length > 1024 char.
Partial Free-agglomeration rule applied 206 times.
Drop transitions removed 206 transitions
Iterating global reduction 2 with 206 rules applied. Total rules applied 2168 place count 822 transition count 792
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 2 with 1 rules applied. Total rules applied 2169 place count 821 transition count 791
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 2 with 1 rules applied. Total rules applied 2170 place count 820 transition count 791
Applied a total of 2170 rules in 655 ms. Remains 820 /1803 variables (removed 983) and now considering 791/1773 (removed 982) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 655 ms. Remains : 820/1803 places, 791/1773 transitions.
Finished random walk after 12571 steps, including 2 resets, run visited all 72 properties in 216 ms. (steps per millisecond=58 )
Able to resolve query StableMarking after proving 992 properties.
FORMULA StableMarking FALSE TECHNIQUES RANDOM_WALK MARKED_SUFFIX_TEST TOPOLOGICAL
Total runtime 62605 ms.
ITS solved all properties within timeout

BK_STOP 1679770987542

--------------------
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 StableMarking -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="ShieldIIPs-PT-030B"
export BK_EXAMINATION="StableMarking"
export BK_TOOL="smartxred"
export BK_RESULT_DIR="/tmp/BK_RESULTS/OUTPUTS"
export BK_TIME_CONFINEMENT="1800"
export BK_MEMORY_CONFINEMENT="16384"
export BK_BIN_PATH="/home/mcc/BenchKit/bin/"

# this is specific to your benchmark or test

export BIN_DIR="$HOME/BenchKit/bin"

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

# this is for BenchKit: explicit launching of the test
echo "====================================================================="
echo " Generated by BenchKit 2-5348"
echo " Executing tool smartxred"
echo " Input is ShieldIIPs-PT-030B, examination is StableMarking"
echo " Time confinement is $BK_TIME_CONFINEMENT seconds"
echo " Memory confinement is 16384 MBytes"
echo " Number of cores is 4"
echo " Run identifier is r409-oct2-167903727500078"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/ShieldIIPs-PT-030B.tgz
mv ShieldIIPs-PT-030B execution
cd execution
if [ "StableMarking" = "ReachabilityDeadlock" ] || [ "StableMarking" = "UpperBounds" ] || [ "StableMarking" = "QuasiLiveness" ] || [ "StableMarking" = "StableMarking" ] || [ "StableMarking" = "Liveness" ] || [ "StableMarking" = "OneSafe" ] || [ "StableMarking" = "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 [ "StableMarking" = "UpperBounds" ] ; then
echo "The expected result is a vector of positive values"
echo NUM_VECTOR
elif [ "StableMarking" != "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 "StableMarking.txt" ] ; then
echo "here is the order used to build the result vector(from text file)"
for x in $(grep Property StableMarking.txt | cut -d ' ' -f 2 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ -f "StableMarking.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 '' StableMarking.xml | cut -d '>' -f 2 | cut -d '<' -f 1 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ "StableMarking" = "ReachabilityDeadlock" ] || [ "StableMarking" = "QuasiLiveness" ] || [ "StableMarking" = "StableMarking" ] || [ "StableMarking" = "Liveness" ] || [ "StableMarking" = "OneSafe" ] ; then
echo "FORMULA_NAME StableMarking"
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 ;