Execution Chart

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

Trace from the execution

Formatting '/mnt/tpsp/fkordon/mcc2023-input.r051-tajo-167813704100482.qcow2', fmt=qcow2 size=4294967296 backing_file='/mnt/tpsp/fkordon/mcc2023-input.qcow2' encryption=off cluster_size=65536 lazy_refcounts=off
Waiting for the VM to be ready (probing ssh)
.....................
=====================================================================
Generated by BenchKit 2-5348
Executing tool itstools
Input is CANInsertWithFailure-PT-090, examination is QuasiLiveness
Time confinement is 1800 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r051-tajo-167813704100482
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 50M
-rw-r--r-- 1 mcc users 9.2K Feb 26 01:20 CTLCardinality.txt
-rw-r--r-- 1 mcc users 76K Feb 26 01:20 CTLCardinality.xml
-rw-r--r-- 1 mcc users 6.9K Feb 26 00:51 CTLFireability.txt
-rw-r--r-- 1 mcc users 48K Feb 26 00:51 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.6K Feb 25 15:41 LTLCardinality.txt
-rw-r--r-- 1 mcc users 24K Feb 25 15:41 LTLCardinality.xml
-rw-r--r-- 1 mcc users 3.1K Feb 25 15:41 LTLFireability.txt
-rw-r--r-- 1 mcc users 18K Feb 25 15:41 LTLFireability.xml
-rw-r--r-- 1 mcc users 13K Feb 26 01:34 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 93K Feb 26 01:34 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 12K Feb 26 01:28 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 71K Feb 26 01:28 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 2.0K Feb 25 15:41 UpperBounds.txt
-rw-r--r-- 1 mcc users 4.0K Feb 25 15:41 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 Mar 5 18:22 equiv_col
-rw-r--r-- 1 mcc users 4 Mar 5 18:22 instance
-rw-r--r-- 1 mcc users 6 Mar 5 18:22 iscolored
-rw-r--r-- 1 mcc users 49M Mar 5 18:22 model.pnml

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

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

The expected result is a vector of booleans
BOOL_VECTOR

FORMULA_NAME QuasiLiveness

=== Now, execution of the tool begins

BK_START 1678998652022

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=itstools
BK_EXAMINATION=QuasiLiveness
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=1800
BK_INPUT=CANInsertWithFailure-PT-090
Not applying reductions.
Model is PT
QuasiLiveness PT
Running Version 202303021504
[2023-03-16 20:30:53] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, QuasiLiveness, -its, -ltsmin, -greatspnpath, /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/, -order, META, -manyOrder, -smt, -timeout, 1800]
[2023-03-16 20:30:54] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2023-03-16 20:30:55] [INFO ] Load time of PNML (sax parser for PT used): 1093 ms
[2023-03-16 20:30:55] [INFO ] Transformed 17284 places.
[2023-03-16 20:30:55] [INFO ] Transformed 49140 transitions.
[2023-03-16 20:30:55] [INFO ] Parsed PT model containing 17284 places and 49140 transitions and 131400 arcs in 1396 ms.
Starting structural reductions in LIVENESS mode, iteration 0 : 17284/17284 places, 49140/49140 transitions.
Reduce places removed 1 places and 0 transitions.
Drop transitions removed 630 transitions
Trivial Post-agglo rules discarded 630 transitions
Performed 630 trivial Post agglomeration. Transition count delta: 630
Iterating post reduction 0 with 631 rules applied. Total rules applied 631 place count 17283 transition count 48510
Reduce places removed 630 places and 0 transitions.
Iterating post reduction 1 with 630 rules applied. Total rules applied 1261 place count 16653 transition count 48510
Performed 8010 Post agglomeration using F-continuation condition.Transition count delta: 8010
Deduced a syphon composed of 8010 places in 36 ms
Reduce places removed 8010 places and 0 transitions.
Iterating global reduction 2 with 16020 rules applied. Total rules applied 17281 place count 8643 transition count 40500
Applied a total of 17281 rules in 5534 ms. Remains 8643 /17284 variables (removed 8641) and now considering 40500/49140 (removed 8640) transitions.
[2023-03-16 20:31:01] [INFO ] Flow matrix only has 32668 transitions (discarded 7832 similar events)
// Phase 1: matrix 32668 rows 8643 cols
[2023-03-16 20:31:09] [INFO ] Computed 92 place invariants in 7972 ms
[2023-03-16 20:31:10] [INFO ] Implicit Places using invariants in 9489 ms returned []
Implicit Place search using SMT only with invariants took 9536 ms to find 0 implicit places.
[2023-03-16 20:31:10] [INFO ] Flow matrix only has 32668 transitions (discarded 7832 similar events)
[2023-03-16 20:31:10] [INFO ] Invariant cache hit.
[2023-03-16 20:31:11] [INFO ] Dead Transitions using invariants and state equation in 980 ms found 0 transitions.
Starting structural reductions in LIVENESS mode, iteration 1 : 8643/17284 places, 40500/49140 transitions.
Finished structural reductions in LIVENESS mode , in 1 iterations and 16062 ms. Remains : 8643/17284 places, 40500/49140 transitions.
Discarding 23940 transitions out of 40500. Remains 16560
Initial state reduction rules removed 90 formulas.
Incomplete random walk after 10000 steps, including 21 resets, run finished after 1667 ms. (steps per millisecond=5 ) properties (out of 16470) seen :6034
Running SMT prover for 10436 properties.
[2023-03-16 20:31:14] [INFO ] Flow matrix only has 32668 transitions (discarded 7832 similar events)
[2023-03-16 20:31:14] [INFO ] Invariant cache hit.
[2023-03-16 20:31:14] [INFO ] Flatten gal took : 1475 ms
[2023-03-16 20:31:15] [INFO ] Flatten gal took : 1007 ms
[2023-03-16 20:31:15] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality15271155457695250739.gal : 185 ms
[2023-03-16 20:31:15] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality17840234108991106612.prop : 47 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202303021504/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality15271155457695250739.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality17840234108991106612.prop' '--nowitness' '--gen-order' 'FOLLOW'

its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202303021504/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...330
Loading property file /tmp/ReachabilityCardinality17840234108991106612.prop.
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.assertInvariants(DeadlockTester.java:2340)
at fr.lip6.move.gal.structural.smt.DeadlockTester.verifyPossible(DeadlockTester.java:618)
at fr.lip6.move.gal.structural.smt.DeadlockTester.testUnreachableWithSMTIncremental(DeadlockTester.java:339)
at fr.lip6.move.gal.structural.smt.DeadlockTester.testUnreachableWithSMT(DeadlockTester.java:223)
at fr.lip6.move.gal.application.solver.ReachabilitySolver.applyReductions(ReachabilitySolver.java:95)
at fr.lip6.move.gal.application.solver.global.GlobalPropertySolver.applyReachabilitySolver(GlobalPropertySolver.java:724)
at fr.lip6.move.gal.application.solver.global.GlobalPropertySolver.solveProperty(GlobalPropertySolver.java:558)
at fr.lip6.move.gal.application.solver.global.GlobalPropertySolver.preSolveLiveness(GlobalPropertySolver.java:412)
at fr.lip6.move.gal.application.solver.global.GlobalPropertySolver.preStableMarking(GlobalPropertySolver.java:321)
at fr.lip6.move.gal.application.solver.global.GlobalPropertySolver.solveProperty(GlobalPropertySolver.java:294)
at fr.lip6.move.gal.application.Application.startNoEx(Application.java:386)
at fr.lip6.move.gal.application.Application.start(Application.java:178)
at fr.lip6.move.gal.itscl.application.Application.start(Application.java:45)
at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:203)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:136)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:104)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:402)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:255)
at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:77)
at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.base/java.lang.reflect.Method.invoke(Method.java:568)
at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:659)
at org.eclipse.equinox.launcher.Main.basicRun(Main.java:596)
at org.eclipse.equinox.launcher.Main.run(Main.java:1467)
at org.eclipse.equinox.launcher.Main.main(Main.java:1440)
[2023-03-16 20:31:39] [WARNING] SMT solver failed with error :SMT solver raised an error when submitting script.... while checking expressions.
[2023-03-16 20:31:39] [INFO ] After 25092ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0
Fused 10436 Parikh solutions to 1 different solutions.
Parikh walk visited 0 properties in 2 ms.
Support contains 6920 out of 8643 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 8643/8643 places, 40500/40500 transitions.
Partial Free-agglomeration rule applied 1366 times.
Drop transitions removed 1366 transitions
Iterating global reduction 0 with 1366 rules applied. Total rules applied 1366 place count 8643 transition count 40500
Applied a total of 1366 rules in 1252 ms. Remains 8643 /8643 variables (removed 0) and now considering 40500/40500 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 1257 ms. Remains : 8643/8643 places, 40500/40500 transitions.
Interrupted random walk after 201629 steps, including 433 resets, run timeout after 30001 ms. (steps per millisecond=6 ) properties seen 10408
Incomplete Best-First random walk after 100001 steps, including 2 resets, run finished after 243 ms. (steps per millisecond=411 ) properties (out of 28) seen :4
Incomplete Best-First random walk after 100001 steps, including 2 resets, run finished after 228 ms. (steps per millisecond=438 ) properties (out of 24) seen :0
Incomplete Best-First random walk after 100001 steps, including 2 resets, run finished after 202 ms. (steps per millisecond=495 ) properties (out of 24) seen :0
Incomplete Best-First random walk after 100001 steps, including 2 resets, run finished after 204 ms. (steps per millisecond=490 ) properties (out of 24) seen :1
Incomplete Best-First random walk after 100001 steps, including 2 resets, run finished after 206 ms. (steps per millisecond=485 ) properties (out of 23) seen :2
Incomplete Best-First random walk after 100001 steps, including 2 resets, run finished after 215 ms. (steps per millisecond=465 ) properties (out of 21) seen :2
Incomplete Best-First random walk after 100001 steps, including 2 resets, run finished after 229 ms. (steps per millisecond=436 ) properties (out of 19) seen :0
Incomplete Best-First random walk after 100001 steps, including 2 resets, run finished after 210 ms. (steps per millisecond=476 ) properties (out of 19) seen :1
Incomplete Best-First random walk after 100001 steps, including 2 resets, run finished after 204 ms. (steps per millisecond=490 ) properties (out of 18) seen :0
Incomplete Best-First random walk after 100001 steps, including 2 resets, run finished after 201 ms. (steps per millisecond=497 ) properties (out of 18) seen :0
Incomplete Best-First random walk after 100001 steps, including 2 resets, run finished after 202 ms. (steps per millisecond=495 ) properties (out of 18) seen :0
Incomplete Best-First random walk after 100001 steps, including 2 resets, run finished after 212 ms. (steps per millisecond=471 ) properties (out of 18) seen :0
Incomplete Best-First random walk after 100001 steps, including 2 resets, run finished after 243 ms. (steps per millisecond=411 ) properties (out of 18) seen :0
Incomplete Best-First random walk after 100001 steps, including 2 resets, run finished after 212 ms. (steps per millisecond=471 ) properties (out of 18) seen :0
Incomplete Best-First random walk after 100001 steps, including 2 resets, run finished after 210 ms. (steps per millisecond=476 ) properties (out of 18) seen :0
Incomplete Best-First random walk after 100001 steps, including 2 resets, run finished after 206 ms. (steps per millisecond=485 ) properties (out of 18) seen :0
Incomplete Best-First random walk after 100001 steps, including 2 resets, run finished after 196 ms. (steps per millisecond=510 ) properties (out of 18) seen :1
Incomplete Best-First random walk after 100001 steps, including 2 resets, run finished after 212 ms. (steps per millisecond=471 ) properties (out of 17) seen :1
Incomplete Best-First random walk after 100001 steps, including 2 resets, run finished after 205 ms. (steps per millisecond=487 ) properties (out of 16) seen :1
Incomplete Best-First random walk after 100001 steps, including 2 resets, run finished after 216 ms. (steps per millisecond=462 ) properties (out of 15) seen :3
Running SMT prover for 12 properties.
[2023-03-16 20:32:15] [INFO ] Flow matrix only has 33994 transitions (discarded 6506 similar events)
// Phase 1: matrix 33994 rows 8643 cols
[2023-03-16 20:32:20] [INFO ] Computed 92 place invariants in 5349 ms
[2023-03-16 20:32:23] [INFO ] [Real]Absence check using 90 positive place invariants in 177 ms returned sat
[2023-03-16 20:32:23] [INFO ] [Real]Absence check using 90 positive and 2 generalized place invariants in 169 ms returned sat
[2023-03-16 20:32:50] [INFO ] After 24875ms SMT Verify possible using state equation in real domain returned unsat :0 sat :12
[2023-03-16 20:32:50] [INFO ] State equation strengthened by 26892 read => feed constraints.
[2023-03-16 20:33:12] [INFO ] After 21717ms SMT Verify possible using 26892 Read/Feed constraints in real domain returned unsat :0 sat :0 real:12
[2023-03-16 20:33:12] [INFO ] After 52128ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:12
[2023-03-16 20:33:15] [INFO ] [Nat]Absence check using 90 positive place invariants in 141 ms returned sat
[2023-03-16 20:33:15] [INFO ] [Nat]Absence check using 90 positive and 2 generalized place invariants in 164 ms returned sat
[2023-03-16 20:33:41] [INFO ] After 24571ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :12
[2023-03-16 20:33:54] [INFO ] After 12747ms SMT Verify possible using 26892 Read/Feed constraints in natural domain returned unsat :0 sat :12
[2023-03-16 20:34:10] [INFO ] After 28213ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :12
Attempting to minimize the solution found.
Minimization took 10252 ms.
[2023-03-16 20:34:20] [INFO ] After 67650ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :12
Fused 12 Parikh solutions to 1 different solutions.
Parikh walk visited 0 properties in 0 ms.
Support contains 13 out of 8643 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 8643/8643 places, 40500/40500 transitions.
Free-agglomeration rule (complex) applied 1 times.
Iterating global reduction 0 with 1 rules applied. Total rules applied 1 place count 8643 transition count 40499
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 0 with 1 rules applied. Total rules applied 2 place count 8642 transition count 40499
Partial Free-agglomeration rule applied 6653 times.
Drop transitions removed 6653 transitions
Iterating global reduction 1 with 6653 rules applied. Total rules applied 6655 place count 8642 transition count 40499
Applied a total of 6655 rules in 10120 ms. Remains 8642 /8643 variables (removed 1) and now considering 40499/40500 (removed 1) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 10121 ms. Remains : 8642/8643 places, 40499/40500 transitions.
Finished random walk after 86184 steps, including 160 resets, run visited all 12 properties in 4346 ms. (steps per millisecond=19 )
ITS runner failed with exception null
java.lang.InterruptedException
at java.base/java.lang.Object.wait(Native Method)
at java.base/java.lang.Thread.join(Thread.java:1304)
at java.base/java.lang.Thread.join(Thread.java:1372)
at fr.lip6.move.gal.application.runner.AbstractRunner.join(AbstractRunner.java:27)
at fr.lip6.move.gal.application.runner.its.ITSRunner.join(ITSRunner.java:177)
at fr.lip6.move.gal.application.solver.global.GlobalPropertySolver.verifyWithSDD(GlobalPropertySolver.java:675)
at fr.lip6.move.gal.application.solver.ReachabilitySolver.lambda$2(ReachabilitySolver.java:63)
at java.base/java.lang.Thread.run(Thread.java:833)
Able to resolve query QuasiLiveness after proving 16560 properties.
FORMULA QuasiLiveness TRUE TECHNIQUES RANDOM_WALK BESTFIRST_WALK TOPOLOGICAL INITIAL_STATE
Total runtime 220948 ms.

BK_STOP 1678998875423

--------------------
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
+ [[ QuasiLiveness = StateSpace ]]
+ /home/mcc/BenchKit/bin//../itstools/bin//..//runeclipse.sh /home/mcc/execution QuasiLiveness -its -ltsmin -greatspnpath /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/ -order META -manyOrder -smt -timeout 1800
+ 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//../itstools/bin//..//itstools/plugins/fr.lip6.move.gal.application.pnmcc_1.0.0.202303021504.jar
+ VERSION=202303021504
+ echo 'Running Version 202303021504'
+ /home/mcc/BenchKit/bin//../itstools/bin//..//itstools/its-tools -pnfolder /home/mcc/execution -examination QuasiLiveness -its -ltsmin -greatspnpath /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/ -order META -manyOrder -smt -timeout 1800

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="CANInsertWithFailure-PT-090"
export BK_EXAMINATION="QuasiLiveness"
export BK_TOOL="itstools"
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 itstools"
echo " Input is CANInsertWithFailure-PT-090, examination is QuasiLiveness"
echo " Time confinement is $BK_TIME_CONFINEMENT seconds"
echo " Memory confinement is 16384 MBytes"
echo " Number of cores is 4"
echo " Run identifier is r051-tajo-167813704100482"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/CANInsertWithFailure-PT-090.tgz
mv CANInsertWithFailure-PT-090 execution
cd execution
if [ "QuasiLiveness" = "ReachabilityDeadlock" ] || [ "QuasiLiveness" = "UpperBounds" ] || [ "QuasiLiveness" = "QuasiLiveness" ] || [ "QuasiLiveness" = "StableMarking" ] || [ "QuasiLiveness" = "Liveness" ] || [ "QuasiLiveness" = "OneSafe" ] || [ "QuasiLiveness" = "StateSpace" ]; then
rm -f GenericPropertiesVerdict.xml
fi
pwd
ls -lh

echo
echo "--------------------"
echo "content from stdout:"
echo
echo "=== Data for post analysis generated by BenchKit (invocation template)"
echo
if [ "QuasiLiveness" = "UpperBounds" ] ; then
echo "The expected result is a vector of positive values"
echo NUM_VECTOR
elif [ "QuasiLiveness" != "StateSpace" ] ; then
echo "The expected result is a vector of booleans"
echo BOOL_VECTOR
else
echo "no data necessary for post analysis"
fi
echo
if [ -f "QuasiLiveness.txt" ] ; then
echo "here is the order used to build the result vector(from text file)"
for x in $(grep Property QuasiLiveness.txt | cut -d ' ' -f 2 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ -f "QuasiLiveness.xml" ] ; then # for cunf (txt files deleted;-)
echo echo "here is the order used to build the result vector(from xml file)"
for x in $(grep '' QuasiLiveness.xml | cut -d '>' -f 2 | cut -d '<' -f 1 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ "QuasiLiveness" = "ReachabilityDeadlock" ] || [ "QuasiLiveness" = "QuasiLiveness" ] || [ "QuasiLiveness" = "StableMarking" ] || [ "QuasiLiveness" = "Liveness" ] || [ "QuasiLiveness" = "OneSafe" ] ; then
echo "FORMULA_NAME QuasiLiveness"
fi
echo
echo "=== Now, execution of the tool begins"
echo
echo -n "BK_START "
date -u +%s%3N
echo
timeout -s 9 $BK_TIME_CONFINEMENT bash -c "/home/mcc/BenchKit/BenchKit_head.sh 2> STDERR ; echo ; echo -n \"BK_STOP \" ; date -u +%s%3N"
if [ $? -eq 137 ] ; then
echo
echo "BK_TIME_CONFINEMENT_REACHED"
fi
echo
echo "--------------------"
echo "content from stderr:"
echo
cat STDERR ;