fond
Model Checking Contest 2022
12th edition, Bergen, Norway, June 21, 2022
Execution of r042-smll-165252095300165
Last Updated
Jun 22, 2022

About the Execution of ITS-Tools for CloudOpsManagement-PT-00640by00320

Execution Summary
Max Memory
Used (MB)
Time wait (ms) CPU Usage (ms) I/O Wait (ms) Computed Result Execution
Status
182.479 5210.00 10928.00 136.70 320 640 320 320 960 640 320 320 320 320 320 320 320 320 640 640 normal

Execution Chart

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

Trace from the execution

Formatting '/data/fkordon/mcc2022-input.r042-smll-165252095300165.qcow2', fmt=qcow2 size=4294967296 backing_file=/data/fkordon/mcc2022-input.qcow2 cluster_size=65536 lazy_refcounts=off refcount_bits=16
Waiting for the VM to be ready (probing ssh)
.......................................................................................
=====================================================================
Generated by BenchKit 2-4028
Executing tool itstools
Input is CloudOpsManagement-PT-00640by00320, examination is UpperBounds
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r042-smll-165252095300165
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 264K
-rw-r--r-- 1 mcc users 9.4K Apr 29 17:33 CTLCardinality.txt
-rw-r--r-- 1 mcc users 88K Apr 29 17:33 CTLCardinality.xml
-rw-r--r-- 1 mcc users 6.1K Apr 29 17:31 CTLFireability.txt
-rw-r--r-- 1 mcc users 50K Apr 29 17:31 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K May 10 09:33 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 4.2K May 9 07:18 LTLCardinality.txt
-rw-r--r-- 1 mcc users 24K May 9 07:18 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.9K May 9 07:18 LTLFireability.txt
-rw-r--r-- 1 mcc users 20K May 9 07:18 LTLFireability.xml
-rw-r--r-- 1 mcc users 2.0K May 9 07:18 UpperBounds.txt
-rw-r--r-- 1 mcc users 4.0K May 9 07:18 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 May 10 09:33 equiv_col
-rw-r--r-- 1 mcc users 13 May 10 09:33 instance
-rw-r--r-- 1 mcc users 6 May 10 09:33 iscolored
-rw-r--r-- 1 mcc users 17K May 10 09:33 model.pnml

--------------------
content from stdout:

=== Data for post analysis generated by BenchKit (invocation template)

The expected result is a vector of positive values
NUM_VECTOR

here is the order used to build the result vector(from text file)
FORMULA_NAME CloudOpsManagement-PT-00640by00320-UpperBounds-00
FORMULA_NAME CloudOpsManagement-PT-00640by00320-UpperBounds-01
FORMULA_NAME CloudOpsManagement-PT-00640by00320-UpperBounds-02
FORMULA_NAME CloudOpsManagement-PT-00640by00320-UpperBounds-03
FORMULA_NAME CloudOpsManagement-PT-00640by00320-UpperBounds-04
FORMULA_NAME CloudOpsManagement-PT-00640by00320-UpperBounds-05
FORMULA_NAME CloudOpsManagement-PT-00640by00320-UpperBounds-06
FORMULA_NAME CloudOpsManagement-PT-00640by00320-UpperBounds-07
FORMULA_NAME CloudOpsManagement-PT-00640by00320-UpperBounds-08
FORMULA_NAME CloudOpsManagement-PT-00640by00320-UpperBounds-09
FORMULA_NAME CloudOpsManagement-PT-00640by00320-UpperBounds-10
FORMULA_NAME CloudOpsManagement-PT-00640by00320-UpperBounds-11
FORMULA_NAME CloudOpsManagement-PT-00640by00320-UpperBounds-12
FORMULA_NAME CloudOpsManagement-PT-00640by00320-UpperBounds-13
FORMULA_NAME CloudOpsManagement-PT-00640by00320-UpperBounds-14
FORMULA_NAME CloudOpsManagement-PT-00640by00320-UpperBounds-15

=== Now, execution of the tool begins

BK_START 1652598883528

Running Version 202205111006
[2022-05-15 07:14:45] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, UpperBounds, -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]
[2022-05-15 07:14:45] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2022-05-15 07:14:45] [INFO ] Load time of PNML (sax parser for PT used): 78 ms
[2022-05-15 07:14:45] [INFO ] Transformed 27 places.
[2022-05-15 07:14:45] [INFO ] Transformed 29 transitions.
[2022-05-15 07:14:45] [INFO ] Parsed PT model containing 27 places and 29 transitions in 311 ms.
Parsed 16 properties from file /home/mcc/execution/UpperBounds.xml in 12 ms.
// Phase 1: matrix 29 rows 27 cols
[2022-05-15 07:14:45] [INFO ] Computed 11 place invariants in 10 ms
FORMULA CloudOpsManagement-PT-00640by00320-UpperBounds-15 640 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA CloudOpsManagement-PT-00640by00320-UpperBounds-13 320 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA CloudOpsManagement-PT-00640by00320-UpperBounds-05 640 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA CloudOpsManagement-PT-00640by00320-UpperBounds-00 320 TECHNIQUES TOPOLOGICAL INITIAL_STATE
Incomplete random walk after 10272 steps, including 2 resets, run finished after 15 ms. (steps per millisecond=684 ) properties (out of 12) seen :2880
FORMULA CloudOpsManagement-PT-00640by00320-UpperBounds-14 640 TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA CloudOpsManagement-PT-00640by00320-UpperBounds-10 320 TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA CloudOpsManagement-PT-00640by00320-UpperBounds-07 320 TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA CloudOpsManagement-PT-00640by00320-UpperBounds-01 640 TECHNIQUES TOPOLOGICAL RANDOM_WALK
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 19 ms. (steps per millisecond=526 ) properties (out of 8) seen :695
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 15 ms. (steps per millisecond=666 ) properties (out of 8) seen :672
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 12 ms. (steps per millisecond=833 ) properties (out of 8) seen :673
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 28 ms. (steps per millisecond=357 ) properties (out of 8) seen :664
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 12 ms. (steps per millisecond=833 ) properties (out of 8) seen :669
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 12 ms. (steps per millisecond=833 ) properties (out of 8) seen :660
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 12 ms. (steps per millisecond=833 ) properties (out of 8) seen :696
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 13 ms. (steps per millisecond=769 ) properties (out of 8) seen :673
// Phase 1: matrix 29 rows 27 cols
[2022-05-15 07:14:46] [INFO ] Computed 11 place invariants in 7 ms
[2022-05-15 07:14:46] [INFO ] [Real]Absence check using 11 positive place invariants in 14 ms returned sat
[2022-05-15 07:14:46] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2022-05-15 07:14:46] [INFO ] [Real]Absence check using state equation in 38 ms returned sat
[2022-05-15 07:14:46] [INFO ] State equation strengthened by 3 read => feed constraints.
[2022-05-15 07:14:46] [INFO ] [Real]Added 3 Read/Feed constraints in 3 ms returned sat
[2022-05-15 07:14:46] [INFO ] Solution in real domain found non-integer solution.
[2022-05-15 07:14:46] [INFO ] [Nat]Absence check using 11 positive place invariants in 8 ms returned sat
[2022-05-15 07:14:46] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2022-05-15 07:14:46] [INFO ] [Nat]Absence check using state equation in 22 ms returned sat
[2022-05-15 07:14:46] [INFO ] [Nat]Added 3 Read/Feed constraints in 2 ms returned sat
[2022-05-15 07:14:46] [INFO ] Computed and/alt/rep : 26/69/26 causal constraints (skipped 0 transitions) in 7 ms.
[2022-05-15 07:14:46] [INFO ] Added : 10 causal constraints over 2 iterations in 38 ms. Result :sat
Minimization took 16 ms.
[2022-05-15 07:14:46] [INFO ] [Real]Absence check using 11 positive place invariants in 4 ms returned sat
[2022-05-15 07:14:46] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2022-05-15 07:14:46] [INFO ] [Real]Absence check using state equation in 29 ms returned sat
[2022-05-15 07:14:46] [INFO ] [Real]Added 3 Read/Feed constraints in 1 ms returned sat
[2022-05-15 07:14:46] [INFO ] Solution in real domain found non-integer solution.
[2022-05-15 07:14:46] [INFO ] [Nat]Absence check using 11 positive place invariants in 4 ms returned sat
[2022-05-15 07:14:46] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2022-05-15 07:14:46] [INFO ] [Nat]Absence check using state equation in 16 ms returned sat
[2022-05-15 07:14:46] [INFO ] [Nat]Added 3 Read/Feed constraints in 2 ms returned sat
[2022-05-15 07:14:46] [INFO ] Computed and/alt/rep : 26/69/26 causal constraints (skipped 0 transitions) in 6 ms.
[2022-05-15 07:14:46] [INFO ] Added : 10 causal constraints over 2 iterations in 34 ms. Result :sat
Minimization took 9 ms.
[2022-05-15 07:14:46] [INFO ] [Real]Absence check using 11 positive place invariants in 4 ms returned sat
[2022-05-15 07:14:46] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2022-05-15 07:14:46] [INFO ] [Real]Absence check using state equation in 11 ms returned unsat
[2022-05-15 07:14:46] [INFO ] [Real]Absence check using 11 positive place invariants in 3 ms returned sat
[2022-05-15 07:14:46] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2022-05-15 07:14:46] [INFO ] [Real]Absence check using state equation in 17 ms returned sat
[2022-05-15 07:14:46] [INFO ] [Real]Added 3 Read/Feed constraints in 1 ms returned sat
[2022-05-15 07:14:46] [INFO ] Solution in real domain found non-integer solution.
[2022-05-15 07:14:46] [INFO ] [Nat]Absence check using 11 positive place invariants in 5 ms returned sat
[2022-05-15 07:14:46] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2022-05-15 07:14:46] [INFO ] [Nat]Absence check using state equation in 21 ms returned sat
[2022-05-15 07:14:46] [INFO ] [Nat]Added 3 Read/Feed constraints in 5 ms returned sat
[2022-05-15 07:14:46] [INFO ] Computed and/alt/rep : 26/69/26 causal constraints (skipped 0 transitions) in 6 ms.
[2022-05-15 07:14:46] [INFO ] Added : 14 causal constraints over 4 iterations in 61 ms. Result :sat
Minimization took 14 ms.
[2022-05-15 07:14:47] [INFO ] [Real]Absence check using 11 positive place invariants in 4 ms returned sat
[2022-05-15 07:14:47] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2022-05-15 07:14:47] [INFO ] [Real]Absence check using state equation in 15 ms returned sat
[2022-05-15 07:14:47] [INFO ] [Real]Added 3 Read/Feed constraints in 3 ms returned sat
[2022-05-15 07:14:47] [INFO ] Solution in real domain found non-integer solution.
[2022-05-15 07:14:47] [INFO ] [Nat]Absence check using 11 positive place invariants in 6 ms returned sat
[2022-05-15 07:14:47] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2022-05-15 07:14:47] [INFO ] [Nat]Absence check using state equation in 24 ms returned sat
[2022-05-15 07:14:47] [INFO ] [Nat]Added 3 Read/Feed constraints in 3 ms returned sat
[2022-05-15 07:14:47] [INFO ] Computed and/alt/rep : 26/69/26 causal constraints (skipped 0 transitions) in 7 ms.
[2022-05-15 07:14:47] [INFO ] Added : 14 causal constraints over 4 iterations in 38 ms. Result :sat
Minimization took 13 ms.
[2022-05-15 07:14:47] [INFO ] [Real]Absence check using 11 positive place invariants in 4 ms returned sat
[2022-05-15 07:14:47] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2022-05-15 07:14:47] [INFO ] [Real]Absence check using state equation in 21 ms returned sat
[2022-05-15 07:14:47] [INFO ] [Real]Added 3 Read/Feed constraints in 2 ms returned sat
[2022-05-15 07:14:47] [INFO ] Solution in real domain found non-integer solution.
[2022-05-15 07:14:47] [INFO ] [Nat]Absence check using 11 positive place invariants in 5 ms returned sat
[2022-05-15 07:14:47] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2022-05-15 07:14:47] [INFO ] [Nat]Absence check using state equation in 18 ms returned sat
[2022-05-15 07:14:47] [INFO ] [Nat]Added 3 Read/Feed constraints in 1 ms returned sat
[2022-05-15 07:14:47] [INFO ] Computed and/alt/rep : 26/69/26 causal constraints (skipped 0 transitions) in 7 ms.
[2022-05-15 07:14:47] [INFO ] Added : 14 causal constraints over 4 iterations in 37 ms. Result :sat
Minimization took 9 ms.
[2022-05-15 07:14:47] [INFO ] [Real]Absence check using 11 positive place invariants in 6 ms returned sat
[2022-05-15 07:14:47] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2022-05-15 07:14:47] [INFO ] [Real]Absence check using state equation in 18 ms returned sat
[2022-05-15 07:14:47] [INFO ] [Real]Added 3 Read/Feed constraints in 1 ms returned sat
[2022-05-15 07:14:47] [INFO ] Solution in real domain found non-integer solution.
[2022-05-15 07:14:47] [INFO ] [Nat]Absence check using 11 positive place invariants in 5 ms returned sat
[2022-05-15 07:14:47] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2022-05-15 07:14:47] [INFO ] [Nat]Absence check using state equation in 24 ms returned sat
[2022-05-15 07:14:47] [INFO ] [Nat]Added 3 Read/Feed constraints in 1 ms returned sat
[2022-05-15 07:14:47] [INFO ] Computed and/alt/rep : 26/69/26 causal constraints (skipped 0 transitions) in 5 ms.
[2022-05-15 07:14:47] [INFO ] Added : 4 causal constraints over 2 iterations in 22 ms. Result :sat
Minimization took 10 ms.
[2022-05-15 07:14:47] [INFO ] [Real]Absence check using 11 positive place invariants in 4 ms returned sat
[2022-05-15 07:14:47] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2022-05-15 07:14:47] [INFO ] [Real]Absence check using state equation in 20 ms returned sat
[2022-05-15 07:14:47] [INFO ] [Real]Added 3 Read/Feed constraints in 1 ms returned sat
[2022-05-15 07:14:47] [INFO ] Solution in real domain found non-integer solution.
[2022-05-15 07:14:47] [INFO ] [Nat]Absence check using 11 positive place invariants in 5 ms returned sat
[2022-05-15 07:14:47] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2022-05-15 07:14:47] [INFO ] [Nat]Absence check using state equation in 19 ms returned sat
[2022-05-15 07:14:47] [INFO ] [Nat]Added 3 Read/Feed constraints in 1 ms returned sat
[2022-05-15 07:14:47] [INFO ] Computed and/alt/rep : 26/69/26 causal constraints (skipped 0 transitions) in 5 ms.
[2022-05-15 07:14:47] [INFO ] Added : 12 causal constraints over 4 iterations in 35 ms. Result :sat
Minimization took 9 ms.
Current structural bounds on expressions (after SMT) : [320, 320, 960, 320, 320, 320, 320, 320] Max seen :[26, 8, 960, 5, 5, 4, 26, 9]
FORMULA CloudOpsManagement-PT-00640by00320-UpperBounds-04 960 TECHNIQUES TOPOLOGICAL SAT_SMT RANDOM_WALK
FORMULA CloudOpsManagement-PT-00640by00320-UpperBounds-12 320 TECHNIQUES TOPOLOGICAL PARIKH_WALK
FORMULA CloudOpsManagement-PT-00640by00320-UpperBounds-11 320 TECHNIQUES TOPOLOGICAL PARIKH_WALK
FORMULA CloudOpsManagement-PT-00640by00320-UpperBounds-03 320 TECHNIQUES TOPOLOGICAL PARIKH_WALK
FORMULA CloudOpsManagement-PT-00640by00320-UpperBounds-02 320 TECHNIQUES TOPOLOGICAL PARIKH_WALK
FORMULA CloudOpsManagement-PT-00640by00320-UpperBounds-09 320 TECHNIQUES TOPOLOGICAL PARIKH_WALK
FORMULA CloudOpsManagement-PT-00640by00320-UpperBounds-08 320 TECHNIQUES TOPOLOGICAL PARIKH_WALK
FORMULA CloudOpsManagement-PT-00640by00320-UpperBounds-06 320 TECHNIQUES TOPOLOGICAL PARIKH_WALK
All properties solved without resorting to model-checking.
Total runtime 3127 ms.

BK_STOP 1652598888738

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

+ export LANG=C
+ LANG=C
+ export BINDIR=/home/mcc/BenchKit/bin//../
+ BINDIR=/home/mcc/BenchKit/bin//../
++ pwd
+ export MODEL=/home/mcc/execution
+ MODEL=/home/mcc/execution
+ [[ UpperBounds = StateSpace ]]
+ /home/mcc/BenchKit/bin//..//runeclipse.sh /home/mcc/execution UpperBounds -its -ltsmin -greatspnpath /home/mcc/BenchKit/bin//..//greatspn/ -order META -manyOrder -smt -timeout 3600
+ ulimit -s 65536
+ export PYTHONPATH=/usr/lib/python3.9/site-packages/
+ PYTHONPATH=/usr/lib/python3.9/site-packages/
+ export LD_LIBRARY_PATH=/usr/local/lib:
+ LD_LIBRARY_PATH=/usr/local/lib:
+ [[ -z '' ]]
+ export LTSMIN_MEM_SIZE=8589934592
+ LTSMIN_MEM_SIZE=8589934592
++ sed s/.jar//
++ perl -pe 's/.*\.//g'
++ ls /home/mcc/BenchKit/bin//..//itstools/plugins/fr.lip6.move.gal.application.pnmcc_1.0.0.202205111006.jar
+ VERSION=202205111006
+ echo 'Running Version 202205111006'
+ /home/mcc/BenchKit/bin//..//itstools/its-tools -data @none -pnfolder /home/mcc/execution -examination UpperBounds -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=@none -Xss128m -Xms40m -Xmx8192m

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="CloudOpsManagement-PT-00640by00320"
export BK_EXAMINATION="UpperBounds"
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 CloudOpsManagement-PT-00640by00320, examination is UpperBounds"
echo " Time confinement is $BK_TIME_CONFINEMENT seconds"
echo " Memory confinement is 16384 MBytes"
echo " Number of cores is 4"
echo " Run identifier is r042-smll-165252095300165"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/CloudOpsManagement-PT-00640by00320.tgz
mv CloudOpsManagement-PT-00640by00320 execution
cd execution
if [ "UpperBounds" = "ReachabilityDeadlock" ] || [ "UpperBounds" = "UpperBounds" ] || [ "UpperBounds" = "QuasiLiveness" ] || [ "UpperBounds" = "StableMarking" ] || [ "UpperBounds" = "Liveness" ] || [ "UpperBounds" = "OneSafe" ] || [ "UpperBounds" = "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 [ "UpperBounds" = "UpperBounds" ] ; then
echo "The expected result is a vector of positive values"
echo NUM_VECTOR
elif [ "UpperBounds" != "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 "UpperBounds.txt" ] ; then
echo "here is the order used to build the result vector(from text file)"
for x in $(grep Property UpperBounds.txt | cut -d ' ' -f 2 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ -f "UpperBounds.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 '' UpperBounds.xml | cut -d '>' -f 2 | cut -d '<' -f 1 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ "UpperBounds" = "ReachabilityDeadlock" ] || [ "UpperBounds" = "QuasiLiveness" ] || [ "UpperBounds" = "StableMarking" ] || [ "UpperBounds" = "Liveness" ] || [ "UpperBounds" = "OneSafe" ] ; then
echo "FORMULA_NAME UpperBounds"
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 ;