fond
Model Checking Contest 2023
13th edition, Paris, France, April 26, 2023 (at TOOLympics II)
Execution of r357-smll-167891806600502
Last Updated
May 14, 2023

About the Execution of ITS-Tools for ServersAndClients-PT-200040

Execution Summary
Max Memory
Used (MB)
Time wait (ms) CPU Usage (ms) I/O Wait (ms) Computed Result Execution
Status
1246.663 40698.00 98761.00 315.30 FTFFTTFFFFTTFTTT 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.r357-smll-167891806600502.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 itstools
Input is ServersAndClients-PT-200040, examination is ReachabilityCardinality
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r357-smll-167891806600502
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 5.6M
-rw-r--r-- 1 mcc users 7.6K Feb 26 03:35 CTLCardinality.txt
-rw-r--r-- 1 mcc users 75K Feb 26 03:35 CTLCardinality.xml
-rw-r--r-- 1 mcc users 4.2K Feb 26 03:33 CTLFireability.txt
-rw-r--r-- 1 mcc users 29K Feb 26 03:33 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.3K Feb 25 16:52 LTLCardinality.txt
-rw-r--r-- 1 mcc users 27K Feb 25 16:52 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.7K Feb 25 16:52 LTLFireability.txt
-rw-r--r-- 1 mcc users 17K Feb 25 16:52 LTLFireability.xml
-rw-r--r-- 1 mcc users 17K Feb 26 03:39 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 170K Feb 26 03:39 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 12K Feb 26 03:37 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 96K Feb 26 03:37 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.9K Feb 25 16:52 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.9K Feb 25 16:52 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 Mar 5 18:23 equiv_col
-rw-r--r-- 1 mcc users 7 Mar 5 18:23 instance
-rw-r--r-- 1 mcc users 6 Mar 5 18:23 iscolored
-rw-r--r-- 1 mcc users 5.1M 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 ServersAndClients-PT-200040-ReachabilityCardinality-00
FORMULA_NAME ServersAndClients-PT-200040-ReachabilityCardinality-01
FORMULA_NAME ServersAndClients-PT-200040-ReachabilityCardinality-02
FORMULA_NAME ServersAndClients-PT-200040-ReachabilityCardinality-03
FORMULA_NAME ServersAndClients-PT-200040-ReachabilityCardinality-04
FORMULA_NAME ServersAndClients-PT-200040-ReachabilityCardinality-05
FORMULA_NAME ServersAndClients-PT-200040-ReachabilityCardinality-06
FORMULA_NAME ServersAndClients-PT-200040-ReachabilityCardinality-07
FORMULA_NAME ServersAndClients-PT-200040-ReachabilityCardinality-08
FORMULA_NAME ServersAndClients-PT-200040-ReachabilityCardinality-09
FORMULA_NAME ServersAndClients-PT-200040-ReachabilityCardinality-10
FORMULA_NAME ServersAndClients-PT-200040-ReachabilityCardinality-11
FORMULA_NAME ServersAndClients-PT-200040-ReachabilityCardinality-12
FORMULA_NAME ServersAndClients-PT-200040-ReachabilityCardinality-13
FORMULA_NAME ServersAndClients-PT-200040-ReachabilityCardinality-14
FORMULA_NAME ServersAndClients-PT-200040-ReachabilityCardinality-15

=== Now, execution of the tool begins

BK_START 1679279671595

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=ReachabilityCardinality
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=ServersAndClients-PT-200040
Not applying reductions.
Model is PT
ReachabilityCardinality PT
Running Version 202303021504
[2023-03-20 02:34:34] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, ReachabilityCardinality, -its, -ltsmin, -greatspnpath, /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/, -order, META, -manyOrder, -smt, -timeout, 3600]
[2023-03-20 02:34:34] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2023-03-20 02:34:35] [INFO ] Load time of PNML (sax parser for PT used): 830 ms
[2023-03-20 02:34:35] [INFO ] Transformed 8841 places.
[2023-03-20 02:34:35] [INFO ] Transformed 16400 transitions.
[2023-03-20 02:34:35] [INFO ] Parsed PT model containing 8841 places and 16400 transitions and 49600 arcs in 1036 ms.
Parsed 16 properties from file /home/mcc/execution/ReachabilityCardinality.xml in 87 ms.
Working with output stream class java.io.PrintStream
Incomplete random walk after 10000 steps, including 2 resets, run finished after 1940 ms. (steps per millisecond=5 ) properties (out of 16) seen :3
FORMULA ServersAndClients-PT-200040-ReachabilityCardinality-11 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA ServersAndClients-PT-200040-ReachabilityCardinality-07 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA ServersAndClients-PT-200040-ReachabilityCardinality-03 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 128 ms. (steps per millisecond=78 ) properties (out of 13) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 174 ms. (steps per millisecond=57 ) properties (out of 13) seen :0
[2023-03-20 02:34:38] [INFO ] Flatten gal took : 1536 ms
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 114 ms. (steps per millisecond=87 ) properties (out of 13) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 163 ms. (steps per millisecond=61 ) properties (out of 13) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 111 ms. (steps per millisecond=90 ) properties (out of 13) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 97 ms. (steps per millisecond=103 ) properties (out of 13) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 70 ms. (steps per millisecond=142 ) properties (out of 13) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 70 ms. (steps per millisecond=142 ) properties (out of 13) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 92 ms. (steps per millisecond=108 ) properties (out of 13) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 83 ms. (steps per millisecond=120 ) properties (out of 13) seen :0
[2023-03-20 02:34:39] [INFO ] Flatten gal took : 717 ms
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 101 ms. (steps per millisecond=99 ) properties (out of 13) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 114 ms. (steps per millisecond=87 ) properties (out of 13) seen :0
[2023-03-20 02:34:39] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality3537425858381294556.gal : 226 ms
[2023-03-20 02:34:39] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality15637840308816837539.prop : 2 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/ReachabilityCardinality3537425858381294556.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality15637840308816837539.prop' '--nowitness' '--gen-order' 'FOLLOW'
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 80 ms. (steps per millisecond=125 ) properties (out of 13) seen :0

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 ...329
Running SMT prover for 13 properties.
// Phase 1: matrix 16400 rows 8841 cols
[2023-03-20 02:34:40] [INFO ] Computed 441 place invariants in 531 ms
Loading property file /tmp/ReachabilityCardinality15637840308816837539.prop.
[2023-03-20 02:34:44] [INFO ] After 4200ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:13
[2023-03-20 02:34:48] [INFO ] [Nat]Absence check using 241 positive place invariants in 418 ms returned sat
[2023-03-20 02:34:48] [INFO ] [Nat]Absence check using 241 positive and 200 generalized place invariants in 248 ms returned sat
java.lang.RuntimeException: SMT solver raised an error when submitting script. Raised (error "Failed to assert expression: 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.checkResults(DeadlockTester.java:797)
at fr.lip6.move.gal.structural.smt.DeadlockTester.verifyPossible(DeadlockTester.java:631)
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)
[2023-03-20 02:35:09] [WARNING] SMT solver failed with error :SMT solver raised an error when submitting script.... while checking expressions.
[2023-03-20 02:35:09] [INFO ] After 25092ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :0 real:13
FORMULA ServersAndClients-PT-200040-ReachabilityCardinality-15 TRUE TECHNIQUES STRUCTURAL_REDUCTION TOPOLOGICAL SAT_SMT
FORMULA ServersAndClients-PT-200040-ReachabilityCardinality-14 TRUE TECHNIQUES STRUCTURAL_REDUCTION TOPOLOGICAL SAT_SMT
FORMULA ServersAndClients-PT-200040-ReachabilityCardinality-12 FALSE TECHNIQUES STRUCTURAL_REDUCTION TOPOLOGICAL SAT_SMT
FORMULA ServersAndClients-PT-200040-ReachabilityCardinality-10 TRUE TECHNIQUES STRUCTURAL_REDUCTION TOPOLOGICAL SAT_SMT
FORMULA ServersAndClients-PT-200040-ReachabilityCardinality-08 FALSE TECHNIQUES STRUCTURAL_REDUCTION TOPOLOGICAL SAT_SMT
FORMULA ServersAndClients-PT-200040-ReachabilityCardinality-06 FALSE TECHNIQUES STRUCTURAL_REDUCTION TOPOLOGICAL SAT_SMT
FORMULA ServersAndClients-PT-200040-ReachabilityCardinality-04 TRUE TECHNIQUES STRUCTURAL_REDUCTION TOPOLOGICAL SAT_SMT
FORMULA ServersAndClients-PT-200040-ReachabilityCardinality-02 FALSE TECHNIQUES STRUCTURAL_REDUCTION TOPOLOGICAL SAT_SMT
FORMULA ServersAndClients-PT-200040-ReachabilityCardinality-01 TRUE TECHNIQUES STRUCTURAL_REDUCTION TOPOLOGICAL SAT_SMT
FORMULA ServersAndClients-PT-200040-ReachabilityCardinality-00 FALSE TECHNIQUES STRUCTURAL_REDUCTION TOPOLOGICAL SAT_SMT
Fused 13 Parikh solutions to 1 different solutions.
Parikh walk visited 0 properties in 0 ms.
Support contains 77 out of 8841 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 8841/8841 places, 16400/16400 transitions.
Drop transitions removed 7851 transitions
Trivial Post-agglo rules discarded 7851 transitions
Performed 7851 trivial Post agglomeration. Transition count delta: 7851
Iterating post reduction 0 with 7851 rules applied. Total rules applied 7851 place count 8841 transition count 8549
Reduce places removed 7851 places and 0 transitions.
Performed 39 Post agglomeration using F-continuation condition.Transition count delta: 39
Iterating post reduction 1 with 7890 rules applied. Total rules applied 15741 place count 990 transition count 8510
Reduce places removed 39 places and 0 transitions.
Iterating post reduction 2 with 39 rules applied. Total rules applied 15780 place count 951 transition count 8510
Free-agglomeration rule (complex) applied 39 times.
Iterating global reduction 3 with 39 rules applied. Total rules applied 15819 place count 951 transition count 8471
Reduce places removed 46 places and 0 transitions.
Ensure Unique test removed 1200 transitions
Reduce isomorphic transitions removed 1200 transitions.
Iterating post reduction 3 with 1246 rules applied. Total rules applied 17065 place count 905 transition count 7271
Drop transitions removed 6529 transitions
Redundant transition composition rules discarded 6529 transitions
Iterating global reduction 4 with 6529 rules applied. Total rules applied 23594 place count 905 transition count 742
Discarding 141 places :
Implicit places reduction removed 141 places
Drop transitions removed 276 transitions
Trivial Post-agglo rules discarded 276 transitions
Performed 276 trivial Post agglomeration. Transition count delta: 276
Iterating post reduction 4 with 417 rules applied. Total rules applied 24011 place count 764 transition count 466
Reduce places removed 414 places and 0 transitions.
Drop transitions removed 138 transitions
Reduce isomorphic transitions removed 138 transitions.
Performed 3 Post agglomeration using F-continuation condition.Transition count delta: 3
Iterating post reduction 5 with 555 rules applied. Total rules applied 24566 place count 350 transition count 325
Reduce places removed 3 places and 0 transitions.
Iterating post reduction 6 with 3 rules applied. Total rules applied 24569 place count 347 transition count 325
Partial Free-agglomeration rule applied 57 times.
Drop transitions removed 57 transitions
Iterating global reduction 7 with 57 rules applied. Total rules applied 24626 place count 347 transition count 325
Applied a total of 24626 rules in 1424 ms. Remains 347 /8841 variables (removed 8494) and now considering 325/16400 (removed 16075) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 1426 ms. Remains : 347/8841 places, 325/16400 transitions.
Finished random walk after 619 steps, including 0 resets, run visited all 3 properties in 16 ms. (steps per millisecond=38 )
FORMULA ServersAndClients-PT-200040-ReachabilityCardinality-13 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA ServersAndClients-PT-200040-ReachabilityCardinality-09 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA ServersAndClients-PT-200040-ReachabilityCardinality-05 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
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)
All properties solved without resorting to model-checking.
Total runtime 36440 ms.

BK_STOP 1679279712293

--------------------
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
+ [[ ReachabilityCardinality = StateSpace ]]
+ /home/mcc/BenchKit/bin//../itstools/bin//..//runeclipse.sh /home/mcc/execution ReachabilityCardinality -its -ltsmin -greatspnpath /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/ -order META -manyOrder -smt -timeout 3600
+ 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 ReachabilityCardinality -its -ltsmin -greatspnpath /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/ -order META -manyOrder -smt -timeout 3600

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="ServersAndClients-PT-200040"
export BK_EXAMINATION="ReachabilityCardinality"
export BK_TOOL="itstools"
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 itstools"
echo " Input is ServersAndClients-PT-200040, 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 r357-smll-167891806600502"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/ServersAndClients-PT-200040.tgz
mv ServersAndClients-PT-200040 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 ;