fond
Model Checking Contest 2023
13th edition, Paris, France, April 26, 2023 (at TOOLympics II)
Execution of r010-oct2-167813599200510
Last Updated
May 14, 2023

About the Execution of Marcie+red for AutoFlight-PT-48b

Execution Summary
Max Memory
Used (MB)
Time wait (ms) CPU Usage (ms) I/O Wait (ms) Computed Result Execution
Status
7436.436 3600000.00 3681417.00 163.90 FTTFTTTTFTFFTFTF 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.r010-oct2-167813599200510.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 marciexred
Input is AutoFlight-PT-48b, examination is ReachabilityCardinality
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r010-oct2-167813599200510
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 1.4M
-rw-r--r-- 1 mcc users 8.2K Feb 25 18:04 CTLCardinality.txt
-rw-r--r-- 1 mcc users 90K Feb 25 18:04 CTLCardinality.xml
-rw-r--r-- 1 mcc users 5.7K Feb 25 18:04 CTLFireability.txt
-rw-r--r-- 1 mcc users 55K Feb 25 18:04 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K Jan 29 11:40 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 6.6K Jan 29 11:40 GenericPropertiesVerdict.xml
-rw-r--r-- 1 mcc users 3.7K Feb 25 15:33 LTLCardinality.txt
-rw-r--r-- 1 mcc users 27K Feb 25 15:33 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.3K Feb 25 15:33 LTLFireability.txt
-rw-r--r-- 1 mcc users 18K Feb 25 15:33 LTLFireability.xml
-rw-r--r-- 1 mcc users 7.8K Feb 25 18:05 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 74K Feb 25 18:05 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 5.5K Feb 25 18:05 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 40K Feb 25 18:05 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.6K Feb 25 15:33 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.7K Feb 25 15:33 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 956K 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

here is the order used to build the result vector(from text file)
FORMULA_NAME AutoFlight-PT-48b-ReachabilityCardinality-00
FORMULA_NAME AutoFlight-PT-48b-ReachabilityCardinality-01
FORMULA_NAME AutoFlight-PT-48b-ReachabilityCardinality-02
FORMULA_NAME AutoFlight-PT-48b-ReachabilityCardinality-03
FORMULA_NAME AutoFlight-PT-48b-ReachabilityCardinality-04
FORMULA_NAME AutoFlight-PT-48b-ReachabilityCardinality-05
FORMULA_NAME AutoFlight-PT-48b-ReachabilityCardinality-06
FORMULA_NAME AutoFlight-PT-48b-ReachabilityCardinality-07
FORMULA_NAME AutoFlight-PT-48b-ReachabilityCardinality-08
FORMULA_NAME AutoFlight-PT-48b-ReachabilityCardinality-09
FORMULA_NAME AutoFlight-PT-48b-ReachabilityCardinality-10
FORMULA_NAME AutoFlight-PT-48b-ReachabilityCardinality-11
FORMULA_NAME AutoFlight-PT-48b-ReachabilityCardinality-12
FORMULA_NAME AutoFlight-PT-48b-ReachabilityCardinality-13
FORMULA_NAME AutoFlight-PT-48b-ReachabilityCardinality-14
FORMULA_NAME AutoFlight-PT-48b-ReachabilityCardinality-15

=== Now, execution of the tool begins

BK_START 1678696120712

bash -c /home/mcc/BenchKit/BenchKit_head.sh 2> STDERR ; echo ; echo -n "BK_STOP " ; date -u +%s%3N
Invoking MCC driver with
BK_TOOL=marciexred
BK_EXAMINATION=ReachabilityCardinality
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=AutoFlight-PT-48b
Applying reductions before tool marcie
Invoking reducer
Running Version 202303021504
[2023-03-13 08:28:44] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, ReachabilityCardinality, -timeout, 360, -rebuildPNML]
[2023-03-13 08:28:44] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2023-03-13 08:28:45] [INFO ] Load time of PNML (sax parser for PT used): 251 ms
[2023-03-13 08:28:45] [INFO ] Transformed 3950 places.
[2023-03-13 08:28:45] [INFO ] Transformed 3936 transitions.
[2023-03-13 08:28:45] [INFO ] Found NUPN structural information;
[2023-03-13 08:28:45] [INFO ] Parsed PT model containing 3950 places and 3936 transitions and 9104 arcs in 521 ms.
Parsed 16 properties from file /home/mcc/execution/ReachabilityCardinality.xml in 43 ms.
Working with output stream class java.io.PrintStream
FORMULA AutoFlight-PT-48b-ReachabilityCardinality-01 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA AutoFlight-PT-48b-ReachabilityCardinality-07 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Incomplete random walk after 10000 steps, including 5 resets, run finished after 630 ms. (steps per millisecond=15 ) properties (out of 14) seen :8
FORMULA AutoFlight-PT-48b-ReachabilityCardinality-15 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA AutoFlight-PT-48b-ReachabilityCardinality-14 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA AutoFlight-PT-48b-ReachabilityCardinality-12 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA AutoFlight-PT-48b-ReachabilityCardinality-11 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA AutoFlight-PT-48b-ReachabilityCardinality-09 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA AutoFlight-PT-48b-ReachabilityCardinality-03 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA AutoFlight-PT-48b-ReachabilityCardinality-02 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA AutoFlight-PT-48b-ReachabilityCardinality-00 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 41 ms. (steps per millisecond=243 ) properties (out of 6) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 30 ms. (steps per millisecond=333 ) properties (out of 6) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 45 ms. (steps per millisecond=222 ) properties (out of 6) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 29 ms. (steps per millisecond=344 ) properties (out of 6) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 36 ms. (steps per millisecond=277 ) properties (out of 6) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 41 ms. (steps per millisecond=243 ) properties (out of 6) seen :0
Running SMT prover for 6 properties.
// Phase 1: matrix 3936 rows 3950 cols
[2023-03-13 08:28:46] [INFO ] Computed 258 place invariants in 76 ms
[2023-03-13 08:28:47] [INFO ] After 1332ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:6
[2023-03-13 08:28:49] [INFO ] [Nat]Absence check using 257 positive place invariants in 430 ms returned sat
[2023-03-13 08:28:49] [INFO ] [Nat]Absence check using 257 positive and 1 generalized place invariants in 29 ms returned sat
[2023-03-13 08:28:55] [INFO ] After 5204ms SMT Verify possible using state equation in natural domain returned unsat :2 sat :4
[2023-03-13 08:29:00] [INFO ] Deduced a trap composed of 32 places in 5665 ms of which 47 ms to minimize.
[2023-03-13 08:29:12] [INFO ] Deduced a trap composed of 25 places in 11094 ms of which 11 ms to minimize.
[2023-03-13 08:29:14] [INFO ] Deduced a trap composed of 28 places in 2409 ms of which 18 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.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)
[2023-03-13 08:29:14] [WARNING] SMT solver failed with error :SMT solver raised an error when submitting script.... while checking expressions.
[2023-03-13 08:29:14] [INFO ] After 27018ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :0 real:6
FORMULA AutoFlight-PT-48b-ReachabilityCardinality-06 TRUE TECHNIQUES STRUCTURAL_REDUCTION TOPOLOGICAL SAT_SMT
FORMULA AutoFlight-PT-48b-ReachabilityCardinality-04 TRUE TECHNIQUES STRUCTURAL_REDUCTION TOPOLOGICAL SAT_SMT
Fused 6 Parikh solutions to 4 different solutions.
FORMULA AutoFlight-PT-48b-ReachabilityCardinality-10 FALSE TECHNIQUES TOPOLOGICAL PARIKH_WALK
Parikh walk visited 1 properties in 378 ms.
Support contains 9 out of 3950 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 3950/3950 places, 3936/3936 transitions.
Drop transitions removed 1697 transitions
Trivial Post-agglo rules discarded 1697 transitions
Performed 1697 trivial Post agglomeration. Transition count delta: 1697
Iterating post reduction 0 with 1697 rules applied. Total rules applied 1697 place count 3950 transition count 2239
Reduce places removed 1697 places and 0 transitions.
Ensure Unique test removed 191 transitions
Reduce isomorphic transitions removed 191 transitions.
Drop transitions removed 96 transitions
Trivial Post-agglo rules discarded 96 transitions
Performed 96 trivial Post agglomeration. Transition count delta: 96
Iterating post reduction 1 with 1984 rules applied. Total rules applied 3681 place count 2253 transition count 1952
Reduce places removed 96 places and 0 transitions.
Performed 3 Post agglomeration using F-continuation condition.Transition count delta: 3
Iterating post reduction 2 with 99 rules applied. Total rules applied 3780 place count 2157 transition count 1949
Reduce places removed 3 places and 0 transitions.
Iterating post reduction 3 with 3 rules applied. Total rules applied 3783 place count 2154 transition count 1949
Performed 507 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 4 with 507 Pre rules applied. Total rules applied 3783 place count 2154 transition count 1442
Deduced a syphon composed of 507 places in 14 ms
Reduce places removed 507 places and 0 transitions.
Iterating global reduction 4 with 1014 rules applied. Total rules applied 4797 place count 1647 transition count 1442
Discarding 338 places :
Symmetric choice reduction at 4 with 338 rule applications. Total rules 5135 place count 1309 transition count 1104
Iterating global reduction 4 with 338 rules applied. Total rules applied 5473 place count 1309 transition count 1104
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 4 with 1 rules applied. Total rules applied 5474 place count 1309 transition count 1103
Performed 107 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 5 with 107 Pre rules applied. Total rules applied 5474 place count 1309 transition count 996
Deduced a syphon composed of 107 places in 12 ms
Reduce places removed 107 places and 0 transitions.
Iterating global reduction 5 with 214 rules applied. Total rules applied 5688 place count 1202 transition count 996
Performed 306 Post agglomeration using F-continuation condition.Transition count delta: 306
Deduced a syphon composed of 306 places in 1 ms
Reduce places removed 306 places and 0 transitions.
Iterating global reduction 5 with 612 rules applied. Total rules applied 6300 place count 896 transition count 690
Renaming transitions due to excessive name length > 1024 char.
Free-agglomeration rule applied 144 times.
Iterating global reduction 5 with 144 rules applied. Total rules applied 6444 place count 896 transition count 546
Reduce places removed 144 places and 0 transitions.
Iterating post reduction 5 with 144 rules applied. Total rules applied 6588 place count 752 transition count 546
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 6 with 1 rules applied. Total rules applied 6589 place count 751 transition count 545
Reduce places removed 131 places and 0 transitions.
Drop transitions removed 180 transitions
Trivial Post-agglo rules discarded 180 transitions
Performed 180 trivial Post agglomeration. Transition count delta: 180
Iterating post reduction 6 with 311 rules applied. Total rules applied 6900 place count 620 transition count 365
Reduce places removed 180 places and 0 transitions.
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Iterating post reduction 7 with 181 rules applied. Total rules applied 7081 place count 440 transition count 364
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 8 with 1 rules applied. Total rules applied 7082 place count 439 transition count 364
Performed 85 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 9 with 85 Pre rules applied. Total rules applied 7082 place count 439 transition count 279
Deduced a syphon composed of 85 places in 0 ms
Reduce places removed 85 places and 0 transitions.
Iterating global reduction 9 with 170 rules applied. Total rules applied 7252 place count 354 transition count 279
Applied a total of 7252 rules in 919 ms. Remains 354 /3950 variables (removed 3596) and now considering 279/3936 (removed 3657) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 919 ms. Remains : 354/3950 places, 279/3936 transitions.
Finished random walk after 336 steps, including 2 resets, run visited all 3 properties in 10 ms. (steps per millisecond=33 )
FORMULA AutoFlight-PT-48b-ReachabilityCardinality-13 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA AutoFlight-PT-48b-ReachabilityCardinality-08 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA AutoFlight-PT-48b-ReachabilityCardinality-05 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
All properties solved without resorting to model-checking.
Total runtime 31550 ms.
timeout --kill-after=10s --signal=SIGINT 1m for testing only

Marcie built on Linux at 2019-11-18.
A model checker for Generalized Stochastic Petri nets

authors: Alex Tovchigrechko (IDD package and CTL model checking)

Martin Schwarick (Symbolic numerical analysis and CSL model checking)

Christian Rohr (Simulative and approximative numerical model checking)

marcie@informatik.tu-cottbus.de

called as: /home/mcc/BenchKit/bin//../reducer/bin//../../marcie/bin/marcie --net-file=model.pnml --mcc-file=ReachabilityCardinality.xml --memory=6 --mcc-mode

parse successfull
net created successfully

Net: AutoFlight_PT_48b
(NrP: 3950 NrTr: 3936 NrArc: 9104)

parse formulas
formulas created successfully
place and transition orderings generation:0m 1.224sec

net check time: 0m 0.002sec

init dd package: 0m 3.069sec

TIME LIMIT: Killed by timeout after 3600 seconds
MemTotal: 16393220 kB
MemFree: 8711808 kB
After kill :
MemTotal: 16393220 kB
MemFree: 16098572 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:
++ perl -pe 's/.*\.//g'
++ sed s/.jar//
++ 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 ReachabilityCardinality -timeout 360 -rebuildPNML
check for maximal unmarked siphon
ok
check for constant places
ok
check if there are places and transitions
ok
check if there are transitions without pre-places
ok
check if at least one transition is enabled in m0
ok
check if there are transitions that can never fire
ok


initing FirstDep: 0m 0.044sec

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="AutoFlight-PT-48b"
export BK_EXAMINATION="ReachabilityCardinality"
export BK_TOOL="marciexred"
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 marciexred"
echo " Input is AutoFlight-PT-48b, examination is ReachabilityCardinality"
echo " Time confinement is $BK_TIME_CONFINEMENT seconds"
echo " Memory confinement is 16384 MBytes"
echo " Number of cores is 4"
echo " Run identifier is r010-oct2-167813599200510"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/AutoFlight-PT-48b.tgz
mv AutoFlight-PT-48b execution
cd execution
if [ "ReachabilityCardinality" = "ReachabilityDeadlock" ] || [ "ReachabilityCardinality" = "UpperBounds" ] || [ "ReachabilityCardinality" = "QuasiLiveness" ] || [ "ReachabilityCardinality" = "StableMarking" ] || [ "ReachabilityCardinality" = "Liveness" ] || [ "ReachabilityCardinality" = "OneSafe" ] || [ "ReachabilityCardinality" = "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 [ "ReachabilityCardinality" = "UpperBounds" ] ; then
echo "The expected result is a vector of positive values"
echo NUM_VECTOR
elif [ "ReachabilityCardinality" != "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 "ReachabilityCardinality.txt" ] ; then
echo "here is the order used to build the result vector(from text file)"
for x in $(grep Property ReachabilityCardinality.txt | cut -d ' ' -f 2 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ -f "ReachabilityCardinality.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 '' ReachabilityCardinality.xml | cut -d '>' -f 2 | cut -d '<' -f 1 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ "ReachabilityCardinality" = "ReachabilityDeadlock" ] || [ "ReachabilityCardinality" = "QuasiLiveness" ] || [ "ReachabilityCardinality" = "StableMarking" ] || [ "ReachabilityCardinality" = "Liveness" ] || [ "ReachabilityCardinality" = "OneSafe" ] ; then
echo "FORMULA_NAME ReachabilityCardinality"
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 ;