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.r229-tall-167856413200390.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)
...........................................................................................................................................................................................................................................................................................................................................................................................................................
=====================================================================
Generated by BenchKit 2-5348
Executing tool itstools
Input is LamportFastMutEx-COL-8, examination is ReachabilityCardinality
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r229-tall-167856413200390
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 472K
-rw-r--r-- 1 mcc users 6.5K Feb 25 13:46 CTLCardinality.txt
-rw-r--r-- 1 mcc users 65K Feb 25 13:46 CTLCardinality.xml
-rw-r--r-- 1 mcc users 7.4K Feb 25 13:44 CTLFireability.txt
-rw-r--r-- 1 mcc users 65K Feb 25 13:44 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 16:20 LTLCardinality.txt
-rw-r--r-- 1 mcc users 24K Feb 25 16:20 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.5K Feb 25 16:20 LTLFireability.txt
-rw-r--r-- 1 mcc users 18K Feb 25 16:20 LTLFireability.xml
-rw-r--r-- 1 mcc users 9.5K Feb 25 13:51 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 86K Feb 25 13:51 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 9.7K Feb 25 13:50 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 74K Feb 25 13:50 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.8K Feb 25 16:20 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.8K Feb 25 16:20 UpperBounds.xml
-rw-r--r-- 1 mcc users 5 Mar 5 18:22 equiv_pt
-rw-r--r-- 1 mcc users 2 Mar 5 18:22 instance
-rw-r--r-- 1 mcc users 5 Mar 5 18:22 iscolored
-rw-r--r-- 1 mcc users 44K 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 LamportFastMutEx-COL-8-ReachabilityCardinality-00
FORMULA_NAME LamportFastMutEx-COL-8-ReachabilityCardinality-01
FORMULA_NAME LamportFastMutEx-COL-8-ReachabilityCardinality-02
FORMULA_NAME LamportFastMutEx-COL-8-ReachabilityCardinality-03
FORMULA_NAME LamportFastMutEx-COL-8-ReachabilityCardinality-04
FORMULA_NAME LamportFastMutEx-COL-8-ReachabilityCardinality-05
FORMULA_NAME LamportFastMutEx-COL-8-ReachabilityCardinality-06
FORMULA_NAME LamportFastMutEx-COL-8-ReachabilityCardinality-07
FORMULA_NAME LamportFastMutEx-COL-8-ReachabilityCardinality-08
FORMULA_NAME LamportFastMutEx-COL-8-ReachabilityCardinality-09
FORMULA_NAME LamportFastMutEx-COL-8-ReachabilityCardinality-10
FORMULA_NAME LamportFastMutEx-COL-8-ReachabilityCardinality-11
FORMULA_NAME LamportFastMutEx-COL-8-ReachabilityCardinality-12
FORMULA_NAME LamportFastMutEx-COL-8-ReachabilityCardinality-13
FORMULA_NAME LamportFastMutEx-COL-8-ReachabilityCardinality-14
FORMULA_NAME LamportFastMutEx-COL-8-ReachabilityCardinality-15

=== Now, execution of the tool begins

BK_START 1679481098908

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=LamportFastMutEx-COL-8
Not applying reductions.
Model is COL
ReachabilityCardinality COL
Running Version 202303021504
[2023-03-22 10:31:40] [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]
[2023-03-22 10:31:40] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2023-03-22 10:31:40] [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 10:31:40] [WARNING] Using fallBack plugin, rng conformance not checked
[2023-03-22 10:31:41] [INFO ] Load time of PNML (colored model parsed with PNMLFW) : 912 ms
[2023-03-22 10:31:41] [INFO ] Imported 18 HL places and 17 HL transitions for a total of 315 PT places and 837.0 transition bindings in 21 ms.
Parsed 16 properties from file /home/mcc/execution/ReachabilityCardinality.xml in 24 ms.
Working with output stream class java.io.PrintStream
[2023-03-22 10:31:41] [INFO ] Built PT skeleton of HLPN with 18 places and 17 transitions 68 arcs in 3 ms.
[2023-03-22 10:31:41] [INFO ] Skeletonized 16 HLPN properties in 1 ms.
Remains 16 properties that can be checked using skeleton over-approximation.
Reduce places removed 3 places and 0 transitions.
Computed a total of 0 stabilizing places and 0 stable transitions
[2023-03-22 10:31:41] [INFO ] Flatten gal took : 13 ms
[2023-03-22 10:31:41] [INFO ] Flatten gal took : 3 ms
FORMULA LamportFastMutEx-COL-8-ReachabilityCardinality-10 TRUE TECHNIQUES CPN_APPROX
FORMULA LamportFastMutEx-COL-8-ReachabilityCardinality-15 FALSE TECHNIQUES CPN_APPROX
Domain [pid(9), pid(9)] of place P_wait breaks symmetries in sort pid
Symmetric sort wr.t. initial and guards and successors and join/free detected :P_bool
Arc [3:1*[$i, 1]] contains constants of sort P_bool
Transition T_setbi_2 : constants on arcs in [[3:1*[$i, 1]]] introduces in P_bool(2) partition with 1 elements that refines current partition to 2 subsets.
[2023-03-22 10:31:41] [INFO ] Unfolded HLPN to a Petri net with 315 places and 666 transitions 2934 arcs in 46 ms.
[2023-03-22 10:31:41] [INFO ] Unfolded 16 HLPN properties in 1 ms.
Deduced a syphon composed of 49 places in 3 ms
Reduce places removed 49 places and 82 transitions.
[2023-03-22 10:31:41] [INFO ] Flatten gal took : 68 ms
[2023-03-22 10:31:41] [INFO ] Flatten gal took : 67 ms
[2023-03-22 10:31:41] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality9500059453676232613.gal : 32 ms
[2023-03-22 10:31:41] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality6657765399257666267.prop : 4 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/ReachabilityCardinality9500059453676232613.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality6657765399257666267.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 ...328
Loading property file /tmp/ReachabilityCardinality6657765399257666267.prop.
SDD proceeding with computation,14 properties remain. new max is 4
SDD size :1 after 5
SDD proceeding with computation,14 properties remain. new max is 8
SDD size :5 after 7
SDD proceeding with computation,14 properties remain. new max is 16
SDD size :7 after 26
Incomplete random walk after 10000 steps, including 2 resets, run finished after 786 ms. (steps per millisecond=12 ) properties (out of 14) seen :4
FORMULA LamportFastMutEx-COL-8-ReachabilityCardinality-11 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA LamportFastMutEx-COL-8-ReachabilityCardinality-09 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA LamportFastMutEx-COL-8-ReachabilityCardinality-07 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA LamportFastMutEx-COL-8-ReachabilityCardinality-02 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
SDD proceeding with computation,14 properties remain. new max is 32
SDD size :26 after 67
SDD proceeding with computation,14 properties remain. new max is 64
SDD size :67 after 101
SDD proceeding with computation,14 properties remain. new max is 128
SDD size :101 after 143
Incomplete Best-First random walk after 10000 steps, including 2 resets, run finished after 88 ms. (steps per millisecond=113 ) properties (out of 10) seen :0
SDD proceeding with computation,14 properties remain. new max is 256
SDD size :143 after 214
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 43 ms. (steps per millisecond=232 ) properties (out of 10) seen :0
Incomplete Best-First random walk after 10000 steps, including 2 resets, run finished after 52 ms. (steps per millisecond=192 ) properties (out of 10) seen :0
SDD proceeding with computation,14 properties remain. new max is 512
SDD size :214 after 1628
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 58 ms. (steps per millisecond=172 ) properties (out of 10) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 54 ms. (steps per millisecond=185 ) properties (out of 10) seen :0
SDD proceeding with computation,14 properties remain. new max is 1024
SDD size :1628 after 2528
Incomplete Best-First random walk after 10000 steps, including 2 resets, run finished after 55 ms. (steps per millisecond=181 ) properties (out of 10) 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 10) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 56 ms. (steps per millisecond=178 ) properties (out of 10) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 51 ms. (steps per millisecond=196 ) properties (out of 10) seen :0
Reachability property LamportFastMutEx-COL-8-ReachabilityCardinality-11 is true.
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 99 ms. (steps per millisecond=101 ) properties (out of 10) seen :0
Running SMT prover for 10 properties.
[2023-03-22 10:31:43] [INFO ] Flow matrix only has 416 transitions (discarded 168 similar events)
// Phase 1: matrix 416 rows 266 cols
[2023-03-22 10:31:43] [INFO ] Computed 82 place invariants in 22 ms
Invariant property LamportFastMutEx-COL-8-ReachabilityCardinality-09 does not hold.
SDD proceeding with computation,12 properties remain. new max is 1024
SDD size :2528 after 5552
[2023-03-22 10:31:43] [INFO ] After 226ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:10
[2023-03-22 10:31:43] [INFO ] [Nat]Absence check using 82 positive place invariants in 17 ms returned sat
[2023-03-22 10:31:43] [INFO ] After 110ms SMT Verify possible using state equation in natural domain returned unsat :9 sat :1
SDD proceeding with computation,12 properties remain. new max is 2048
[2023-03-22 10:31:43] [INFO ] State equation strengthened by 112 read => feed constraints.
SDD size :5552 after 25623
[2023-03-22 10:31:43] [INFO ] After 37ms SMT Verify possible using 112 Read/Feed constraints in natural domain returned unsat :9 sat :1
[2023-03-22 10:31:44] [INFO ] Deduced a trap composed of 9 places in 116 ms of which 3 ms to minimize.
[2023-03-22 10:31:44] [INFO ] Deduced a trap composed of 9 places in 104 ms of which 0 ms to minimize.
[2023-03-22 10:31:44] [INFO ] Deduced a trap composed of 20 places in 93 ms of which 1 ms to minimize.
[2023-03-22 10:31:44] [INFO ] Deduced a trap composed of 22 places in 91 ms of which 1 ms to minimize.
[2023-03-22 10:31:44] [INFO ] Deduced a trap composed of 12 places in 150 ms of which 1 ms to minimize.
SDD proceeding with computation,12 properties remain. new max is 4096
SDD size :25623 after 46074
[2023-03-22 10:31:44] [INFO ] Deduced a trap composed of 24 places in 87 ms of which 0 ms to minimize.
[2023-03-22 10:31:44] [INFO ] Deduced a trap composed of 17 places in 68 ms of which 1 ms to minimize.
[2023-03-22 10:31:44] [INFO ] Deduced a trap composed of 17 places in 48 ms of which 1 ms to minimize.
[2023-03-22 10:31:44] [INFO ] Deduced a trap composed of 19 places in 61 ms of which 0 ms to minimize.
[2023-03-22 10:31:44] [INFO ] Deduced a trap composed of 10 places in 53 ms of which 1 ms to minimize.
[2023-03-22 10:31:45] [INFO ] Deduced a trap composed of 19 places in 79 ms of which 1 ms to minimize.
[2023-03-22 10:31:45] [INFO ] Deduced a trap composed of 17 places in 85 ms of which 0 ms to minimize.
[2023-03-22 10:31:45] [INFO ] Deduced a trap composed of 17 places in 80 ms of which 0 ms to minimize.
[2023-03-22 10:31:45] [INFO ] Deduced a trap composed of 17 places in 81 ms of which 0 ms to minimize.
[2023-03-22 10:31:45] [INFO ] Deduced a trap composed of 21 places in 93 ms of which 1 ms to minimize.
[2023-03-22 10:31:45] [INFO ] Deduced a trap composed of 26 places in 83 ms of which 0 ms to minimize.
[2023-03-22 10:31:45] [INFO ] Deduced a trap composed of 11 places in 65 ms of which 0 ms to minimize.
[2023-03-22 10:31:45] [INFO ] Deduced a trap composed of 17 places in 46 ms of which 0 ms to minimize.
[2023-03-22 10:31:45] [INFO ] Trap strengthening procedure managed to obtain unsat after adding 18 trap constraints in 1740 ms
[2023-03-22 10:31:45] [INFO ] After 1790ms SMT Verify possible using trap constraints in natural domain returned unsat :10 sat :0
[2023-03-22 10:31:45] [INFO ] After 2052ms SMT Verify possible using all constraints in natural domain returned unsat :10 sat :0
FORMULA LamportFastMutEx-COL-8-ReachabilityCardinality-14 FALSE TECHNIQUES STRUCTURAL_REDUCTION TOPOLOGICAL SAT_SMT
FORMULA LamportFastMutEx-COL-8-ReachabilityCardinality-13 TRUE TECHNIQUES STRUCTURAL_REDUCTION TOPOLOGICAL SAT_SMT
FORMULA LamportFastMutEx-COL-8-ReachabilityCardinality-12 FALSE TECHNIQUES STRUCTURAL_REDUCTION TOPOLOGICAL SAT_SMT
FORMULA LamportFastMutEx-COL-8-ReachabilityCardinality-08 FALSE TECHNIQUES STRUCTURAL_REDUCTION TOPOLOGICAL SAT_SMT
FORMULA LamportFastMutEx-COL-8-ReachabilityCardinality-06 FALSE TECHNIQUES STRUCTURAL_REDUCTION TOPOLOGICAL SAT_SMT
FORMULA LamportFastMutEx-COL-8-ReachabilityCardinality-05 TRUE TECHNIQUES STRUCTURAL_REDUCTION TOPOLOGICAL SAT_SMT
FORMULA LamportFastMutEx-COL-8-ReachabilityCardinality-04 TRUE TECHNIQUES STRUCTURAL_REDUCTION TOPOLOGICAL SAT_SMT
FORMULA LamportFastMutEx-COL-8-ReachabilityCardinality-03 FALSE TECHNIQUES STRUCTURAL_REDUCTION TOPOLOGICAL SAT_SMT
FORMULA LamportFastMutEx-COL-8-ReachabilityCardinality-01 FALSE TECHNIQUES STRUCTURAL_REDUCTION TOPOLOGICAL SAT_SMT
FORMULA LamportFastMutEx-COL-8-ReachabilityCardinality-00 TRUE TECHNIQUES STRUCTURAL_REDUCTION TOPOLOGICAL SAT_SMT
Fused 10 Parikh solutions to 0 different solutions.
Parikh walk visited 0 properties in 0 ms.
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 5260 ms.
SDD proceeding with computation,12 properties remain. new max is 8192
SDD size :46074 after 69507

BK_STOP 1679481107082

--------------------
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="LamportFastMutEx-COL-8"
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 LamportFastMutEx-COL-8, 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 r229-tall-167856413200390"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/LamportFastMutEx-COL-8.tgz
mv LamportFastMutEx-COL-8 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 ;