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.r297-tall-167873950100183.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)
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=====================================================================
Generated by BenchKit 2-5348
Executing tool ltsminxred
Input is Philosophers-COL-100000, examination is ReachabilityFireability
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r297-tall-167873950100183
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 4.8M
-rw-r--r-- 1 mcc users 4.6K Feb 25 13:07 CTLCardinality.txt
-rw-r--r-- 1 mcc users 39K Feb 25 13:07 CTLCardinality.xml
-rw-r--r-- 1 mcc users 6.5K Feb 25 13:07 CTLFireability.txt
-rw-r--r-- 1 mcc users 64K Feb 25 13:07 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K Jan 29 11:40 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 6.8K Jan 29 11:40 GenericPropertiesVerdict.xml
-rw-r--r-- 1 mcc users 3.8K Feb 25 16:33 LTLCardinality.txt
-rw-r--r-- 1 mcc users 25K Feb 25 16:33 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.3K Feb 25 16:33 LTLFireability.txt
-rw-r--r-- 1 mcc users 17K Feb 25 16:33 LTLFireability.xml
-rw-r--r-- 1 mcc users 6.9K Feb 25 13:07 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 61K Feb 25 13:07 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 4.8K Feb 25 13:07 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 33K Feb 25 13:07 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.7K Feb 25 16:33 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.8K Feb 25 16:33 UpperBounds.xml
-rw-r--r-- 1 mcc users 5 Mar 5 18:23 equiv_pt
-rw-r--r-- 1 mcc users 7 Mar 5 18:23 instance
-rw-r--r-- 1 mcc users 5 Mar 5 18:23 iscolored
-rw-r--r-- 1 mcc users 4.5M 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 Philosophers-COL-100000-ReachabilityFireability-00
FORMULA_NAME Philosophers-COL-100000-ReachabilityFireability-01
FORMULA_NAME Philosophers-COL-100000-ReachabilityFireability-02
FORMULA_NAME Philosophers-COL-100000-ReachabilityFireability-03
FORMULA_NAME Philosophers-COL-100000-ReachabilityFireability-04
FORMULA_NAME Philosophers-COL-100000-ReachabilityFireability-05
FORMULA_NAME Philosophers-COL-100000-ReachabilityFireability-06
FORMULA_NAME Philosophers-COL-100000-ReachabilityFireability-07
FORMULA_NAME Philosophers-COL-100000-ReachabilityFireability-08
FORMULA_NAME Philosophers-COL-100000-ReachabilityFireability-09
FORMULA_NAME Philosophers-COL-100000-ReachabilityFireability-10
FORMULA_NAME Philosophers-COL-100000-ReachabilityFireability-11
FORMULA_NAME Philosophers-COL-100000-ReachabilityFireability-12
FORMULA_NAME Philosophers-COL-100000-ReachabilityFireability-13
FORMULA_NAME Philosophers-COL-100000-ReachabilityFireability-14
FORMULA_NAME Philosophers-COL-100000-ReachabilityFireability-15

=== Now, execution of the tool begins

BK_START 1679465752333

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=Philosophers-COL-100000
Applying reductions before tool ltsmin
Invoking reducer
Running Version 202303021504
[2023-03-22 06:15:54] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, ReachabilityFireability, -timeout, 360, -rebuildPNML]
[2023-03-22 06:15:54] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2023-03-22 06:15:54] [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.
[2023-03-22 06:15:55] [WARNING] Using fallBack plugin, rng conformance not checked
[2023-03-22 06:15:55] [INFO ] Load time of PNML (colored model parsed with PNMLFW) : 1275 ms
[2023-03-22 06:15:55] [INFO ] Imported 5 HL places and 5 HL transitions for a total of 500000 PT places and 500000.0 transition bindings in 44 ms.
Parsed 16 properties from file /home/mcc/execution/ReachabilityFireability.xml in 10 ms.
Working with output stream class java.io.PrintStream
FORMULA Philosophers-COL-100000-ReachabilityFireability-01 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA Philosophers-COL-100000-ReachabilityFireability-03 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA Philosophers-COL-100000-ReachabilityFireability-07 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
[2023-03-22 06:15:55] [INFO ] Built PT skeleton of HLPN with 5 places and 5 transitions 15 arcs in 70 ms.
[2023-03-22 06:15:55] [INFO ] Skeletonized 13 HLPN properties in 2 ms.
Remains 3 properties that can be checked using skeleton over-approximation.
Computed a total of 0 stabilizing places and 0 stable transitions
Incomplete random walk after 100001 steps, including 0 resets, run finished after 43 ms. (steps per millisecond=2325 ) properties (out of 3) seen :0
Running SMT prover for 3 properties.
// Phase 1: matrix 5 rows 5 cols
[2023-03-22 06:15:55] [INFO ] Computed 2 place invariants in 5 ms
[2023-03-22 06:15:56] [INFO ] [Real]Absence check using 2 positive place invariants in 4 ms returned sat
[2023-03-22 06:15:56] [INFO ] After 18ms SMT Verify possible using state equation in real domain returned unsat :0 sat :3
[2023-03-22 06:15:56] [INFO ] After 43ms SMT Verify possible using trap constraints in real domain returned unsat :0 sat :1 real:2
Attempting to minimize the solution found.
Minimization took 7 ms.
[2023-03-22 06:15:56] [INFO ] After 199ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :1 real:2
[2023-03-22 06:15:56] [INFO ] [Nat]Absence check using 2 positive place invariants in 1 ms returned sat
[2023-03-22 06:15:56] [INFO ] After 8ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :3
[2023-03-22 06:15:56] [INFO ] After 22ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :3
Attempting to minimize the solution found.
Minimization took 6 ms.
[2023-03-22 06:15:56] [INFO ] After 61ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :3
[2023-03-22 06:15:56] [INFO ] Invariant property Philosophers-COL-100000-ReachabilityFireability-14 is trivially false : it is not verified in initial state.
[2023-03-22 06:15:56] [INFO ] Flatten gal took : 13 ms
[2023-03-22 06:15:56] [INFO ] Flatten gal took : 1 ms
Arc [1:1*[(MOD (ADD (MOD (MINUS $x 1) 100000) 100000) 100000)]] contains successor/predecessor on variables of sort Philo
[2023-03-22 06:15:57] [INFO ] Unfolded HLPN to a Petri net with 500000 places and 500000 transitions 1600000 arcs in 1666 ms.
[2023-03-22 06:15:58] [INFO ] Unfolded 13 HLPN properties in 163 ms.
Initial state reduction rules removed 8 formulas.
FORMULA Philosophers-COL-100000-ReachabilityFireability-00 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA Philosophers-COL-100000-ReachabilityFireability-02 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA Philosophers-COL-100000-ReachabilityFireability-04 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA Philosophers-COL-100000-ReachabilityFireability-05 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA Philosophers-COL-100000-ReachabilityFireability-06 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA Philosophers-COL-100000-ReachabilityFireability-11 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA Philosophers-COL-100000-ReachabilityFireability-12 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA Philosophers-COL-100000-ReachabilityFireability-14 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Interrupted random walk after 854 steps, including 0 resets, run timeout after 30015 ms. (steps per millisecond=0 ) properties seen 3
FORMULA Philosophers-COL-100000-ReachabilityFireability-13 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA Philosophers-COL-100000-ReachabilityFireability-10 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA Philosophers-COL-100000-ReachabilityFireability-08 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
Interrupted Best-First random walk after 1001 steps, including 0 resets, run timeout after 142376 ms. (steps per millisecond=0 ) properties seen 0
Interrupted Best-First random walk after 1001 steps, including 0 resets, run timeout after 47992 ms. (steps per millisecond=0 ) properties seen 0
Running SMT prover for 2 properties.
// Phase 1: matrix 500000 rows 500000 cols
[2023-03-22 06:19:47] [INFO ] Computed 200000 place invariants in 2892 ms
java.lang.RuntimeException: SMT solver raised an error when submitting script. Raised (error "Error writing to Z3 solver: java.io.IOException: Broken pipe")...
at fr.lip6.move.gal.structural.smt.SMTUtils.execAndCheckResult(SMTUtils.java:251)
at fr.lip6.move.gal.structural.smt.DeadlockTester.verifyPossible(DeadlockTester.java:609)
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)
[2023-03-22 06:20:13] [WARNING] SMT solver failed with error :SMT solver raised an error when submitting script.... while checking expressions.
[2023-03-22 06:20:13] [INFO ] After 25027ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0
Fused 2 Parikh solutions to 1 different solutions.
Parikh walk visited 0 properties in 1 ms.
Support contains 400000 out of 500000 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 500000/500000 places, 500000/500000 transitions.
Applied a total of 0 rules in 5132 ms. Remains 500000 /500000 variables (removed 0) and now considering 500000/500000 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 5157 ms. Remains : 500000/500000 places, 500000/500000 transitions.
Interrupted random walk after 947 steps, including 0 resets, run timeout after 30003 ms. (steps per millisecond=0 ) properties seen 0
Interrupted Best-First random walk after 1001 steps, including 0 resets, run timeout after 145368 ms. (steps per millisecond=0 ) properties seen 0
Interrupted Best-First random walk after 1001 steps, including 0 resets, run timeout after 51262 ms. (steps per millisecond=0 ) properties seen 0
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/548/inv_0_ --invariant=/tmp/548/inv_1_ --invariant=/tmp/548/inv_2_ --invariant=/tmp/548/inv_3_ --invariant=/tmp/548/inv_4_ --invariant=/tmp/548/inv_5_ --invariant=/tmp/548/inv_6_ --invariant=/tmp/548/inv_7_ --invariant=/tmp/548/inv_8_ --invariant=/tmp/548/inv_9_ --invariant=/tmp/548/inv_10_ --invariant=/tmp/548/inv_11_ --invariant=/tmp/548/inv_12_ --invariant=/tmp/548/inv_13_ --invariant=/tmp/548/inv_14_ --invariant=/tmp/548/inv_15_ --inv-par
Could not compute solution for formula : Philosophers-COL-100000-ReachabilityFireability-00
Could not compute solution for formula : Philosophers-COL-100000-ReachabilityFireability-01
Could not compute solution for formula : Philosophers-COL-100000-ReachabilityFireability-02
Could not compute solution for formula : Philosophers-COL-100000-ReachabilityFireability-03
Could not compute solution for formula : Philosophers-COL-100000-ReachabilityFireability-04
Could not compute solution for formula : Philosophers-COL-100000-ReachabilityFireability-05
Could not compute solution for formula : Philosophers-COL-100000-ReachabilityFireability-06
Could not compute solution for formula : Philosophers-COL-100000-ReachabilityFireability-07
Could not compute solution for formula : Philosophers-COL-100000-ReachabilityFireability-08
Could not compute solution for formula : Philosophers-COL-100000-ReachabilityFireability-09
Could not compute solution for formula : Philosophers-COL-100000-ReachabilityFireability-10
Could not compute solution for formula : Philosophers-COL-100000-ReachabilityFireability-11
Could not compute solution for formula : Philosophers-COL-100000-ReachabilityFireability-12
Could not compute solution for formula : Philosophers-COL-100000-ReachabilityFireability-13
Could not compute solution for formula : Philosophers-COL-100000-ReachabilityFireability-14
Could not compute solution for formula : Philosophers-COL-100000-ReachabilityFireability-15

BK_STOP 1679466440210

--------------------
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
rfs formula name Philosophers-COL-100000-ReachabilityFireability-00
rfs formula type EF
rfs formula formula --invariant=/tmp/548/inv_0_
rfs formula name Philosophers-COL-100000-ReachabilityFireability-01
rfs formula type AG
rfs formula formula --invariant=/tmp/548/inv_1_
rfs formula name Philosophers-COL-100000-ReachabilityFireability-02
rfs formula type AG
rfs formula formula --invariant=/tmp/548/inv_2_
rfs formula name Philosophers-COL-100000-ReachabilityFireability-03
rfs formula type EF
rfs formula formula --invariant=/tmp/548/inv_3_
rfs formula name Philosophers-COL-100000-ReachabilityFireability-04
rfs formula type AG
rfs formula formula --invariant=/tmp/548/inv_4_
rfs formula name Philosophers-COL-100000-ReachabilityFireability-05
rfs formula type AG
rfs formula formula --invariant=/tmp/548/inv_5_
rfs formula name Philosophers-COL-100000-ReachabilityFireability-06
rfs formula type EF
rfs formula formula --invariant=/tmp/548/inv_6_
rfs formula name Philosophers-COL-100000-ReachabilityFireability-07
rfs formula type AG
rfs formula formula --invariant=/tmp/548/inv_7_
rfs formula name Philosophers-COL-100000-ReachabilityFireability-08
rfs formula type AG
rfs formula formula --invariant=/tmp/548/inv_8_
rfs formula name Philosophers-COL-100000-ReachabilityFireability-09
rfs formula type EF
rfs formula formula --invariant=/tmp/548/inv_9_
rfs formula name Philosophers-COL-100000-ReachabilityFireability-10
rfs formula type AG
rfs formula formula --invariant=/tmp/548/inv_10_
rfs formula name Philosophers-COL-100000-ReachabilityFireability-11
rfs formula type AG
rfs formula formula --invariant=/tmp/548/inv_11_
rfs formula name Philosophers-COL-100000-ReachabilityFireability-12
rfs formula type AG
rfs formula formula --invariant=/tmp/548/inv_12_
rfs formula name Philosophers-COL-100000-ReachabilityFireability-13
rfs formula type EF
rfs formula formula --invariant=/tmp/548/inv_13_
rfs formula name Philosophers-COL-100000-ReachabilityFireability-14
rfs formula type AG
rfs formula formula --invariant=/tmp/548/inv_14_
rfs formula name Philosophers-COL-100000-ReachabilityFireability-15
rfs formula type EF
rfs formula formula --invariant=/tmp/548/inv_15_
pnml2lts-sym: Exploration order is bfs-prev
pnml2lts-sym: Saturation strategy is sat
pnml2lts-sym: Guided search strategy is unguided
pnml2lts-sym: Attractor strategy is default
pnml2lts-sym: opening model.pnml
pnml2lts-sym: Edge label is id
Warning: program compiled against libxml 210 using older 209
pnml2lts-sym, ** error **: pnml type "http://www.pnml.org/version-2009/grammar/symmetricnet" is not supported

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="Philosophers-COL-100000"
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 Philosophers-COL-100000, 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 r297-tall-167873950100183"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/Philosophers-COL-100000.tgz
mv Philosophers-COL-100000 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 ;