Execution Chart

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

Trace from the execution

Formatting '/data/fkordon/mcc2021-input.r273-smll-162123879900287.qcow2', fmt=qcow2 size=4294967296 backing_file=/data/fkordon/mcc2021-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 2-4028
Executing tool itstools
Input is ViralEpidemic-PT-S04D1C1A03, examination is ReachabilityFireability
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r273-smll-162123879900287
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 940K
-rw-r--r-- 1 mcc users 13K May 5 16:58 CTLCardinality.txt
-rw-r--r-- 1 mcc users 83K May 10 09:44 CTLCardinality.xml
-rw-r--r-- 1 mcc users 14K May 5 16:58 CTLFireability.txt
-rw-r--r-- 1 mcc users 95K May 10 09:44 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K May 6 14:48 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 6.8K May 6 14:48 GenericPropertiesVerdict.xml
-rw-r--r-- 1 mcc users 3.8K Mar 28 16:47 LTLCardinality.txt
-rw-r--r-- 1 mcc users 22K Mar 28 16:47 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.3K Mar 28 16:48 LTLFireability.txt
-rw-r--r-- 1 mcc users 16K Mar 28 16:48 LTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K Mar 27 15:10 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 19K Mar 27 15:10 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 3.7K Mar 26 06:14 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 21K Mar 26 06:14 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.9K Mar 22 08:17 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.9K Mar 22 08:17 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 May 5 16:52 equiv_col
-rw-r--r-- 1 mcc users 11 May 5 16:52 instance
-rw-r--r-- 1 mcc users 6 May 5 16:52 iscolored
-rw-r--r-- 1 mcc users 585K May 5 16:52 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 ViralEpidemic-PT-S04D1C1A03-ReachabilityFireability-00
FORMULA_NAME ViralEpidemic-PT-S04D1C1A03-ReachabilityFireability-01
FORMULA_NAME ViralEpidemic-PT-S04D1C1A03-ReachabilityFireability-02
FORMULA_NAME ViralEpidemic-PT-S04D1C1A03-ReachabilityFireability-03
FORMULA_NAME ViralEpidemic-PT-S04D1C1A03-ReachabilityFireability-04
FORMULA_NAME ViralEpidemic-PT-S04D1C1A03-ReachabilityFireability-05
FORMULA_NAME ViralEpidemic-PT-S04D1C1A03-ReachabilityFireability-06
FORMULA_NAME ViralEpidemic-PT-S04D1C1A03-ReachabilityFireability-07
FORMULA_NAME ViralEpidemic-PT-S04D1C1A03-ReachabilityFireability-08
FORMULA_NAME ViralEpidemic-PT-S04D1C1A03-ReachabilityFireability-09
FORMULA_NAME ViralEpidemic-PT-S04D1C1A03-ReachabilityFireability-10
FORMULA_NAME ViralEpidemic-PT-S04D1C1A03-ReachabilityFireability-11
FORMULA_NAME ViralEpidemic-PT-S04D1C1A03-ReachabilityFireability-12
FORMULA_NAME ViralEpidemic-PT-S04D1C1A03-ReachabilityFireability-13
FORMULA_NAME ViralEpidemic-PT-S04D1C1A03-ReachabilityFireability-14
FORMULA_NAME ViralEpidemic-PT-S04D1C1A03-ReachabilityFireability-15

=== Now, execution of the tool begins

BK_START 1621532394964

Running Version 0
[2021-05-20 17:39:58] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, ReachabilityFireability, -spotpath, /home/mcc/BenchKit/bin//..//ltlfilt, -z3path, /home/mcc/BenchKit/bin//..//z3/bin/z3, -yices2path, /home/mcc/BenchKit/bin//..//yices/bin/yices, -its, -ltsmin, -greatspnpath, /home/mcc/BenchKit/bin//..//greatspn/, -order, META, -manyOrder, -smt, -timeout, 3600]
[2021-05-20 17:39:58] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2021-05-20 17:39:58] [INFO ] Load time of PNML (sax parser for PT used): 199 ms
[2021-05-20 17:39:58] [INFO ] Transformed 511 places.
[2021-05-20 17:39:58] [INFO ] Transformed 765 transitions.
[2021-05-20 17:39:58] [INFO ] Found NUPN structural information;
[2021-05-20 17:39:58] [INFO ] Parsed PT model containing 511 places and 765 transitions in 267 ms.
Parsed 16 properties from file /home/mcc/execution/ReachabilityFireability.xml in 14 ms.
Working with output stream class java.io.PrintStream
Incomplete random walk after 10000 steps, including 172 resets, run finished after 198 ms. (steps per millisecond=50 ) properties (out of 16) seen :6
FORMULA ViralEpidemic-PT-S04D1C1A03-ReachabilityFireability-15 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA ViralEpidemic-PT-S04D1C1A03-ReachabilityFireability-14 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA ViralEpidemic-PT-S04D1C1A03-ReachabilityFireability-10 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA ViralEpidemic-PT-S04D1C1A03-ReachabilityFireability-07 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA ViralEpidemic-PT-S04D1C1A03-ReachabilityFireability-06 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA ViralEpidemic-PT-S04D1C1A03-ReachabilityFireability-05 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
Incomplete Best-First random walk after 10001 steps, including 9 resets, run finished after 80 ms. (steps per millisecond=125 ) properties (out of 10) seen :0
Incomplete Best-First random walk after 10000 steps, including 6 resets, run finished after 64 ms. (steps per millisecond=156 ) properties (out of 10) seen :0
Incomplete Best-First random walk after 10001 steps, including 9 resets, run finished after 63 ms. (steps per millisecond=158 ) properties (out of 10) seen :0
Incomplete Best-First random walk after 10001 steps, including 7 resets, run finished after 90 ms. (steps per millisecond=111 ) properties (out of 10) seen :0
Incomplete Best-First random walk after 10001 steps, including 8 resets, run finished after 63 ms. (steps per millisecond=158 ) properties (out of 10) seen :2
FORMULA ViralEpidemic-PT-S04D1C1A03-ReachabilityFireability-13 FALSE TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA ViralEpidemic-PT-S04D1C1A03-ReachabilityFireability-04 TRUE TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
Incomplete Best-First random walk after 10001 steps, including 9 resets, run finished after 63 ms. (steps per millisecond=158 ) properties (out of 8) seen :0
Incomplete Best-First random walk after 10001 steps, including 6 resets, run finished after 99 ms. (steps per millisecond=101 ) properties (out of 8) seen :0
Incomplete Best-First random walk after 10001 steps, including 7 resets, run finished after 83 ms. (steps per millisecond=120 ) properties (out of 8) seen :0
Incomplete Best-First random walk after 10000 steps, including 9 resets, run finished after 58 ms. (steps per millisecond=172 ) properties (out of 8) seen :0
Running SMT prover for 8 properties.
// Phase 1: matrix 765 rows 511 cols
[2021-05-20 17:39:59] [INFO ] Computed 1 place invariants in 92 ms
[2021-05-20 17:40:00] [INFO ] [Real]Absence check using 0 positive and 1 generalized place invariants in 32 ms returned sat
[2021-05-20 17:40:00] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2021-05-20 17:40:00] [INFO ] [Real]Absence check using state equation in 361 ms returned sat
[2021-05-20 17:40:00] [INFO ] Solution in real domain found non-integer solution.
[2021-05-20 17:40:00] [INFO ] [Nat]Absence check using 0 positive and 1 generalized place invariants in 19 ms returned sat
[2021-05-20 17:40:00] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2021-05-20 17:40:01] [INFO ] [Nat]Absence check using state equation in 372 ms returned sat
[2021-05-20 17:40:01] [INFO ] Computed and/alt/rep : 764/764/764 causal constraints (skipped 0 transitions) in 114 ms.
[2021-05-20 17:40:02] [INFO ] Added : 56 causal constraints over 12 iterations in 824 ms. Result :sat
Attempting to minimize the solution found.
Minimization took 14 ms.
[2021-05-20 17:40:02] [INFO ] [Real]Absence check using 0 positive and 1 generalized place invariants in 27 ms returned sat
[2021-05-20 17:40:02] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2021-05-20 17:40:02] [INFO ] [Real]Absence check using state equation in 569 ms returned sat
[2021-05-20 17:40:03] [INFO ] Computed and/alt/rep : 764/764/764 causal constraints (skipped 0 transitions) in 160 ms.
[2021-05-20 17:40:04] [INFO ] Added : 89 causal constraints over 18 iterations in 1657 ms. Result :sat
Attempting to minimize the solution found.
Minimization took 4 ms.
[2021-05-20 17:40:05] [INFO ] [Real]Absence check using 0 positive and 1 generalized place invariants in 17 ms returned sat
[2021-05-20 17:40:05] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2021-05-20 17:40:05] [INFO ] [Real]Absence check using state equation in 401 ms returned sat
[2021-05-20 17:40:05] [INFO ] Solution in real domain found non-integer solution.
[2021-05-20 17:40:05] [INFO ] [Nat]Absence check using 0 positive and 1 generalized place invariants in 27 ms returned sat
[2021-05-20 17:40:05] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2021-05-20 17:40:06] [INFO ] [Nat]Absence check using state equation in 455 ms returned sat
[2021-05-20 17:40:06] [INFO ] Computed and/alt/rep : 764/764/764 causal constraints (skipped 0 transitions) in 83 ms.
[2021-05-20 17:40:06] [INFO ] Added : 16 causal constraints over 4 iterations in 436 ms. Result :sat
Attempting to minimize the solution found.
Minimization took 4 ms.
[2021-05-20 17:40:06] [INFO ] [Real]Absence check using 0 positive and 1 generalized place invariants in 26 ms returned sat
[2021-05-20 17:40:06] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2021-05-20 17:40:07] [INFO ] [Real]Absence check using state equation in 470 ms returned sat
[2021-05-20 17:40:07] [INFO ] Solution in real domain found non-integer solution.
[2021-05-20 17:40:07] [INFO ] [Nat]Absence check using 0 positive and 1 generalized place invariants in 17 ms returned sat
[2021-05-20 17:40:07] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2021-05-20 17:40:07] [INFO ] [Nat]Absence check using state equation in 160 ms returned unsat
[2021-05-20 17:40:07] [INFO ] [Real]Absence check using 0 positive and 1 generalized place invariants in 17 ms returned sat
[2021-05-20 17:40:07] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2021-05-20 17:40:08] [INFO ] [Real]Absence check using state equation in 471 ms returned sat
[2021-05-20 17:40:08] [INFO ] Solution in real domain found non-integer solution.
[2021-05-20 17:40:08] [INFO ] [Nat]Absence check using 0 positive and 1 generalized place invariants in 30 ms returned sat
[2021-05-20 17:40:08] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2021-05-20 17:40:09] [INFO ] [Nat]Absence check using state equation in 654 ms returned sat
[2021-05-20 17:40:09] [INFO ] Computed and/alt/rep : 764/764/764 causal constraints (skipped 0 transitions) in 52 ms.
[2021-05-20 17:40:10] [INFO ] Added : 79 causal constraints over 16 iterations in 874 ms. Result :sat
Attempting to minimize the solution found.
Minimization took 4 ms.
[2021-05-20 17:40:10] [INFO ] [Real]Absence check using 0 positive and 1 generalized place invariants in 27 ms returned sat
[2021-05-20 17:40:10] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2021-05-20 17:40:10] [INFO ] [Real]Absence check using state equation in 444 ms returned sat
[2021-05-20 17:40:11] [INFO ] Computed and/alt/rep : 764/764/764 causal constraints (skipped 0 transitions) in 79 ms.
[2021-05-20 17:40:12] [INFO ] Added : 78 causal constraints over 16 iterations in 1304 ms. Result :sat
Attempting to minimize the solution found.
Minimization took 3 ms.
[2021-05-20 17:40:12] [INFO ] [Real]Absence check using 0 positive and 1 generalized place invariants in 27 ms returned sat
[2021-05-20 17:40:12] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2021-05-20 17:40:13] [INFO ] [Real]Absence check using state equation in 450 ms returned sat
[2021-05-20 17:40:13] [INFO ] Solution in real domain found non-integer solution.
[2021-05-20 17:40:13] [INFO ] [Nat]Absence check using 0 positive and 1 generalized place invariants in 28 ms returned sat
[2021-05-20 17:40:13] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2021-05-20 17:40:13] [INFO ] [Nat]Absence check using state equation in 646 ms returned sat
[2021-05-20 17:40:14] [INFO ] Computed and/alt/rep : 764/764/764 causal constraints (skipped 0 transitions) in 71 ms.
[2021-05-20 17:40:14] [INFO ] Added : 59 causal constraints over 12 iterations in 866 ms. Result :sat
Attempting to minimize the solution found.
Minimization took 3 ms.
[2021-05-20 17:40:15] [INFO ] [Real]Absence check using 0 positive and 1 generalized place invariants in 25 ms returned sat
[2021-05-20 17:40:15] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2021-05-20 17:40:15] [INFO ] [Real]Absence check using state equation in 418 ms returned sat
[2021-05-20 17:40:15] [INFO ] Solution in real domain found non-integer solution.
[2021-05-20 17:40:15] [INFO ] [Nat]Absence check using 0 positive and 1 generalized place invariants in 27 ms returned sat
[2021-05-20 17:40:15] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2021-05-20 17:40:16] [INFO ] [Nat]Absence check using state equation in 518 ms returned sat
[2021-05-20 17:40:16] [INFO ] Computed and/alt/rep : 764/764/764 causal constraints (skipped 0 transitions) in 75 ms.
[2021-05-20 17:40:16] [INFO ] Added : 23 causal constraints over 5 iterations in 448 ms. Result :sat
Attempting to minimize the solution found.
Minimization took 3 ms.
FORMULA ViralEpidemic-PT-S04D1C1A03-ReachabilityFireability-03 TRUE TECHNIQUES STRUCTURAL_REDUCTION TOPOLOGICAL SAT_SMT
Fused 8 Parikh solutions to 7 different solutions.
Incomplete Parikh walk after 5700 steps, including 99 resets, run finished after 102 ms. (steps per millisecond=55 ) properties (out of 7) seen :1 could not realise parikh vector
FORMULA ViralEpidemic-PT-S04D1C1A03-ReachabilityFireability-00 TRUE TECHNIQUES TOPOLOGICAL PARIKH_WALK
Incomplete Parikh walk after 9000 steps, including 101 resets, run finished after 150 ms. (steps per millisecond=60 ) properties (out of 6) seen :2 could not realise parikh vector
FORMULA ViralEpidemic-PT-S04D1C1A03-ReachabilityFireability-09 TRUE TECHNIQUES TOPOLOGICAL PARIKH_WALK
FORMULA ViralEpidemic-PT-S04D1C1A03-ReachabilityFireability-01 TRUE TECHNIQUES TOPOLOGICAL PARIKH_WALK
Incomplete Parikh walk after 1700 steps, including 95 resets, run finished after 26 ms. (steps per millisecond=65 ) properties (out of 4) seen :1 could not realise parikh vector
FORMULA ViralEpidemic-PT-S04D1C1A03-ReachabilityFireability-02 FALSE TECHNIQUES TOPOLOGICAL PARIKH_WALK
Incomplete Parikh walk after 8000 steps, including 98 resets, run finished after 125 ms. (steps per millisecond=64 ) properties (out of 3) seen :1 could not realise parikh vector
FORMULA ViralEpidemic-PT-S04D1C1A03-ReachabilityFireability-08 TRUE TECHNIQUES TOPOLOGICAL PARIKH_WALK
Incomplete Parikh walk after 7900 steps, including 101 resets, run finished after 109 ms. (steps per millisecond=72 ) properties (out of 2) seen :0 could not realise parikh vector
Incomplete Parikh walk after 6000 steps, including 98 resets, run finished after 85 ms. (steps per millisecond=70 ) properties (out of 2) seen :1 could not realise parikh vector
FORMULA ViralEpidemic-PT-S04D1C1A03-ReachabilityFireability-11 TRUE TECHNIQUES TOPOLOGICAL PARIKH_WALK
Finished Parikh walk after 25 steps, including 1 resets, run visited all 1 properties in 2 ms. (steps per millisecond=12 )
FORMULA ViralEpidemic-PT-S04D1C1A03-ReachabilityFireability-12 FALSE TECHNIQUES TOPOLOGICAL PARIKH_WALK
All properties solved without resorting to model-checking.

BK_STOP 1621532418675

--------------------
content from stderr:

+ export BINDIR=/home/mcc/BenchKit/bin//../
+ BINDIR=/home/mcc/BenchKit/bin//../
++ pwd
+ export MODEL=/home/mcc/execution
+ MODEL=/home/mcc/execution
+ [[ ReachabilityFireability = StateSpace ]]
+ /home/mcc/BenchKit/bin//..//runeclipse.sh /home/mcc/execution ReachabilityFireability -its -ltsmin -greatspnpath /home/mcc/BenchKit/bin//..//greatspn/ -order META -manyOrder -smt -timeout 3600
+ ulimit -s 65536
+ [[ -z '' ]]
+ export LTSMIN_MEM_SIZE=8589934592
+ LTSMIN_MEM_SIZE=8589934592
++ cut -d . -f 9
++ ls /home/mcc/BenchKit/bin//..//itstools/plugins/fr.lip6.move.gal.application.pnmcc_1.0.0.202104292328.jar
+ VERSION=0
+ echo 'Running Version 0'
+ /home/mcc/BenchKit/bin//..//itstools/its-tools -data /home/mcc/execution/workspace -pnfolder /home/mcc/execution -examination ReachabilityFireability -spotpath /home/mcc/BenchKit/bin//..//ltlfilt -z3path /home/mcc/BenchKit/bin//..//z3/bin/z3 -yices2path /home/mcc/BenchKit/bin//..//yices/bin/yices -its -ltsmin -greatspnpath /home/mcc/BenchKit/bin//..//greatspn/ -order META -manyOrder -smt -timeout 3600 -vmargs -Dosgi.locking=none -Declipse.stateSaveDelayInterval=-1 -Dosgi.configuration.area=/tmp/.eclipse -Xss128m -Xms40m -Xmx16000m

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="ViralEpidemic-PT-S04D1C1A03"
export BK_EXAMINATION="ReachabilityFireability"
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 2-4028"
echo " Executing tool itstools"
echo " Input is ViralEpidemic-PT-S04D1C1A03, 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 r273-smll-162123879900287"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/ViralEpidemic-PT-S04D1C1A03.tgz
mv ViralEpidemic-PT-S04D1C1A03 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 ;