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-167873951000823.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 QuasiCertifProtocol-COL-10, examination is ReachabilityFireability
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r297-tall-167873951000823
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 472K
-rw-r--r-- 1 mcc users 9.0K Feb 26 01:22 CTLCardinality.txt
-rw-r--r-- 1 mcc users 98K Feb 26 01:22 CTLCardinality.xml
-rw-r--r-- 1 mcc users 6.5K Feb 26 01:20 CTLFireability.txt
-rw-r--r-- 1 mcc users 60K Feb 26 01:20 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 4.0K Feb 25 16:37 LTLCardinality.txt
-rw-r--r-- 1 mcc users 28K Feb 25 16:37 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.5K Feb 25 16:37 LTLFireability.txt
-rw-r--r-- 1 mcc users 17K Feb 25 16:37 LTLFireability.xml
-rw-r--r-- 1 mcc users 7.9K Feb 26 01:25 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 76K Feb 26 01:25 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 5.4K Feb 26 01:23 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 36K Feb 26 01:23 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.8K Feb 25 16:37 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.8K Feb 25 16:37 UpperBounds.xml
-rw-r--r-- 1 mcc users 5 Mar 5 18:23 equiv_pt
-rw-r--r-- 1 mcc users 3 Mar 5 18:23 instance
-rw-r--r-- 1 mcc users 5 Mar 5 18:23 iscolored
-rw-r--r-- 1 mcc users 72K 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 QuasiCertifProtocol-COL-10-ReachabilityFireability-00
FORMULA_NAME QuasiCertifProtocol-COL-10-ReachabilityFireability-01
FORMULA_NAME QuasiCertifProtocol-COL-10-ReachabilityFireability-02
FORMULA_NAME QuasiCertifProtocol-COL-10-ReachabilityFireability-03
FORMULA_NAME QuasiCertifProtocol-COL-10-ReachabilityFireability-04
FORMULA_NAME QuasiCertifProtocol-COL-10-ReachabilityFireability-05
FORMULA_NAME QuasiCertifProtocol-COL-10-ReachabilityFireability-06
FORMULA_NAME QuasiCertifProtocol-COL-10-ReachabilityFireability-07
FORMULA_NAME QuasiCertifProtocol-COL-10-ReachabilityFireability-08
FORMULA_NAME QuasiCertifProtocol-COL-10-ReachabilityFireability-09
FORMULA_NAME QuasiCertifProtocol-COL-10-ReachabilityFireability-10
FORMULA_NAME QuasiCertifProtocol-COL-10-ReachabilityFireability-11
FORMULA_NAME QuasiCertifProtocol-COL-10-ReachabilityFireability-12
FORMULA_NAME QuasiCertifProtocol-COL-10-ReachabilityFireability-13
FORMULA_NAME QuasiCertifProtocol-COL-10-ReachabilityFireability-14
FORMULA_NAME QuasiCertifProtocol-COL-10-ReachabilityFireability-15

=== Now, execution of the tool begins

BK_START 1679656920189

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=QuasiCertifProtocol-COL-10
Applying reductions before tool ltsmin
Invoking reducer
Running Version 202303021504
[2023-03-24 11:22:02] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, ReachabilityFireability, -timeout, 360, -rebuildPNML]
[2023-03-24 11:22:02] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2023-03-24 11:22:02] [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.
[2023-03-24 11:22:02] [WARNING] Using fallBack plugin, rng conformance not checked
[2023-03-24 11:22:02] [INFO ] Load time of PNML (colored model parsed with PNMLFW) : 555 ms
[2023-03-24 11:22:02] [INFO ] Imported 30 HL places and 26 HL transitions for a total of 550 PT places and 176.0 transition bindings in 18 ms.
Parsed 16 properties from file /home/mcc/execution/ReachabilityFireability.xml in 12 ms.
Working with output stream class java.io.PrintStream
FORMULA QuasiCertifProtocol-COL-10-ReachabilityFireability-12 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
[2023-03-24 11:22:02] [INFO ] Built PT skeleton of HLPN with 30 places and 26 transitions 77 arcs in 4 ms.
[2023-03-24 11:22:02] [INFO ] Skeletonized 15 HLPN properties in 1 ms.
Remains 2 properties that can be checked using skeleton over-approximation.
Computed a total of 30 stabilizing places and 26 stable transitions
Complete graph has no SCC; deadlocks are unavoidable. place count 30 transition count 26
AF dead knowledge conclusive for 1 formulas.
FORMULA QuasiCertifProtocol-COL-10-ReachabilityFireability-01 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Finished random walk after 1462 steps, including 81 resets, run visited all 2 properties in 24 ms. (steps per millisecond=60 )
[2023-03-24 11:22:02] [INFO ] Flatten gal took : 18 ms
[2023-03-24 11:22:02] [INFO ] Flatten gal took : 5 ms
Domain [tsid(11), tsid(11)] of place n9 breaks symmetries in sort tsid
[2023-03-24 11:22:02] [INFO ] Unfolded HLPN to a Petri net with 550 places and 176 transitions 1287 arcs in 15 ms.
[2023-03-24 11:22:02] [INFO ] Unfolded 14 HLPN properties in 1 ms.
Incomplete random walk after 10000 steps, including 693 resets, run finished after 614 ms. (steps per millisecond=16 ) properties (out of 14) seen :0
Incomplete Best-First random walk after 10001 steps, including 80 resets, run finished after 49 ms. (steps per millisecond=204 ) properties (out of 14) seen :0
Incomplete Best-First random walk after 10001 steps, including 77 resets, run finished after 81 ms. (steps per millisecond=123 ) properties (out of 14) seen :0
Incomplete Best-First random walk after 10001 steps, including 50 resets, run finished after 60 ms. (steps per millisecond=166 ) properties (out of 14) seen :0
Incomplete Best-First random walk after 10001 steps, including 77 resets, run finished after 84 ms. (steps per millisecond=119 ) properties (out of 14) seen :0
Incomplete Best-First random walk after 10001 steps, including 97 resets, run finished after 333 ms. (steps per millisecond=30 ) properties (out of 14) seen :0
Incomplete Best-First random walk after 10001 steps, including 99 resets, run finished after 284 ms. (steps per millisecond=35 ) properties (out of 14) seen :0
Incomplete Best-First random walk after 10001 steps, including 58 resets, run finished after 37 ms. (steps per millisecond=270 ) properties (out of 14) seen :0
Incomplete Best-First random walk after 10001 steps, including 79 resets, run finished after 71 ms. (steps per millisecond=140 ) properties (out of 14) seen :0
Incomplete Best-First random walk after 10001 steps, including 109 resets, run finished after 90 ms. (steps per millisecond=111 ) properties (out of 14) seen :0
Incomplete Best-First random walk after 10001 steps, including 82 resets, run finished after 45 ms. (steps per millisecond=222 ) properties (out of 14) seen :0
Incomplete Best-First random walk after 10001 steps, including 62 resets, run finished after 38 ms. (steps per millisecond=263 ) properties (out of 14) seen :0
Incomplete Best-First random walk after 10000 steps, including 81 resets, run finished after 35 ms. (steps per millisecond=285 ) properties (out of 14) seen :0
Incomplete Best-First random walk after 10001 steps, including 48 resets, run finished after 327 ms. (steps per millisecond=30 ) properties (out of 14) seen :0
Incomplete Best-First random walk after 10001 steps, including 82 resets, run finished after 38 ms. (steps per millisecond=263 ) properties (out of 14) seen :0
Interrupted probabilistic random walk after 1734027 steps, run timeout after 6001 ms. (steps per millisecond=288 ) properties seen :{0=1, 1=1, 2=1, 3=1, 5=1, 6=1, 7=1, 8=1, 9=1, 10=1, 11=1, 13=1}
Probabilistic random walk after 1734027 steps, saw 231959 distinct states, run finished after 6002 ms. (steps per millisecond=288 ) properties seen :12
FORMULA QuasiCertifProtocol-COL-10-ReachabilityFireability-15 TRUE TECHNIQUES TOPOLOGICAL PROBABILISTIC_WALK
FORMULA QuasiCertifProtocol-COL-10-ReachabilityFireability-13 TRUE TECHNIQUES TOPOLOGICAL PROBABILISTIC_WALK
FORMULA QuasiCertifProtocol-COL-10-ReachabilityFireability-11 FALSE TECHNIQUES TOPOLOGICAL PROBABILISTIC_WALK
FORMULA QuasiCertifProtocol-COL-10-ReachabilityFireability-10 TRUE TECHNIQUES TOPOLOGICAL PROBABILISTIC_WALK
FORMULA QuasiCertifProtocol-COL-10-ReachabilityFireability-09 FALSE TECHNIQUES TOPOLOGICAL PROBABILISTIC_WALK
FORMULA QuasiCertifProtocol-COL-10-ReachabilityFireability-08 FALSE TECHNIQUES TOPOLOGICAL PROBABILISTIC_WALK
FORMULA QuasiCertifProtocol-COL-10-ReachabilityFireability-07 TRUE TECHNIQUES TOPOLOGICAL PROBABILISTIC_WALK
FORMULA QuasiCertifProtocol-COL-10-ReachabilityFireability-06 FALSE TECHNIQUES TOPOLOGICAL PROBABILISTIC_WALK
FORMULA QuasiCertifProtocol-COL-10-ReachabilityFireability-04 TRUE TECHNIQUES TOPOLOGICAL PROBABILISTIC_WALK
FORMULA QuasiCertifProtocol-COL-10-ReachabilityFireability-03 FALSE TECHNIQUES TOPOLOGICAL PROBABILISTIC_WALK
FORMULA QuasiCertifProtocol-COL-10-ReachabilityFireability-02 TRUE TECHNIQUES TOPOLOGICAL PROBABILISTIC_WALK
FORMULA QuasiCertifProtocol-COL-10-ReachabilityFireability-00 TRUE TECHNIQUES TOPOLOGICAL PROBABILISTIC_WALK
Running SMT prover for 2 properties.
// Phase 1: matrix 176 rows 550 cols
[2023-03-24 11:22:11] [INFO ] Computed 375 place invariants in 35 ms
[2023-03-24 11:22:11] [INFO ] [Real]Absence check using 15 positive place invariants in 14 ms returned sat
[2023-03-24 11:22:11] [INFO ] [Real]Absence check using 15 positive and 360 generalized place invariants in 57 ms returned sat
[2023-03-24 11:22:12] [INFO ] After 504ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:2
[2023-03-24 11:22:12] [INFO ] [Nat]Absence check using 15 positive place invariants in 11 ms returned sat
[2023-03-24 11:22:12] [INFO ] [Nat]Absence check using 15 positive and 360 generalized place invariants in 73 ms returned sat
[2023-03-24 11:22:13] [INFO ] After 1387ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :2
[2023-03-24 11:22:14] [INFO ] After 2301ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :2
Attempting to minimize the solution found.
Minimization took 989 ms.
[2023-03-24 11:22:15] [INFO ] After 3787ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :2
FORMULA QuasiCertifProtocol-COL-10-ReachabilityFireability-05 TRUE TECHNIQUES TOPOLOGICAL PARIKH_WALK
Finished Parikh walk after 22 steps, including 0 resets, run visited all 1 properties in 2 ms. (steps per millisecond=11 )
FORMULA QuasiCertifProtocol-COL-10-ReachabilityFireability-14 TRUE TECHNIQUES TOPOLOGICAL PARIKH_WALK
Parikh walk visited 2 properties in 8 ms.
All properties solved without resorting to model-checking.
Total runtime 13684 ms.
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/458/inv_0_ --invariant=/tmp/458/inv_1_ --invariant=/tmp/458/inv_2_ --invariant=/tmp/458/inv_3_ --invariant=/tmp/458/inv_4_ --invariant=/tmp/458/inv_5_ --invariant=/tmp/458/inv_6_ --invariant=/tmp/458/inv_7_ --invariant=/tmp/458/inv_8_ --invariant=/tmp/458/inv_9_ --invariant=/tmp/458/inv_10_ --invariant=/tmp/458/inv_11_ --invariant=/tmp/458/inv_12_ --invariant=/tmp/458/inv_13_ --invariant=/tmp/458/inv_14_ --invariant=/tmp/458/inv_15_ --inv-par
Could not compute solution for formula : QuasiCertifProtocol-COL-10-ReachabilityFireability-00
Could not compute solution for formula : QuasiCertifProtocol-COL-10-ReachabilityFireability-01
Could not compute solution for formula : QuasiCertifProtocol-COL-10-ReachabilityFireability-02
Could not compute solution for formula : QuasiCertifProtocol-COL-10-ReachabilityFireability-03
Could not compute solution for formula : QuasiCertifProtocol-COL-10-ReachabilityFireability-04
Could not compute solution for formula : QuasiCertifProtocol-COL-10-ReachabilityFireability-05
Could not compute solution for formula : QuasiCertifProtocol-COL-10-ReachabilityFireability-06
Could not compute solution for formula : QuasiCertifProtocol-COL-10-ReachabilityFireability-07
Could not compute solution for formula : QuasiCertifProtocol-COL-10-ReachabilityFireability-08
Could not compute solution for formula : QuasiCertifProtocol-COL-10-ReachabilityFireability-09
Could not compute solution for formula : QuasiCertifProtocol-COL-10-ReachabilityFireability-10
Could not compute solution for formula : QuasiCertifProtocol-COL-10-ReachabilityFireability-11
Could not compute solution for formula : QuasiCertifProtocol-COL-10-ReachabilityFireability-12
Could not compute solution for formula : QuasiCertifProtocol-COL-10-ReachabilityFireability-13
Could not compute solution for formula : QuasiCertifProtocol-COL-10-ReachabilityFireability-14
Could not compute solution for formula : QuasiCertifProtocol-COL-10-ReachabilityFireability-15

BK_STOP 1679656937183

--------------------
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 QuasiCertifProtocol-COL-10-ReachabilityFireability-00
rfs formula type EF
rfs formula formula --invariant=/tmp/458/inv_0_
rfs formula name QuasiCertifProtocol-COL-10-ReachabilityFireability-01
rfs formula type EF
rfs formula formula --invariant=/tmp/458/inv_1_
rfs formula name QuasiCertifProtocol-COL-10-ReachabilityFireability-02
rfs formula type EF
rfs formula formula --invariant=/tmp/458/inv_2_
rfs formula name QuasiCertifProtocol-COL-10-ReachabilityFireability-03
rfs formula type AG
rfs formula formula --invariant=/tmp/458/inv_3_
rfs formula name QuasiCertifProtocol-COL-10-ReachabilityFireability-04
rfs formula type EF
rfs formula formula --invariant=/tmp/458/inv_4_
rfs formula name QuasiCertifProtocol-COL-10-ReachabilityFireability-05
rfs formula type EF
rfs formula formula --invariant=/tmp/458/inv_5_
rfs formula name QuasiCertifProtocol-COL-10-ReachabilityFireability-06
rfs formula type AG
rfs formula formula --invariant=/tmp/458/inv_6_
rfs formula name QuasiCertifProtocol-COL-10-ReachabilityFireability-07
rfs formula type EF
rfs formula formula --invariant=/tmp/458/inv_7_
rfs formula name QuasiCertifProtocol-COL-10-ReachabilityFireability-08
rfs formula type AG
rfs formula formula --invariant=/tmp/458/inv_8_
rfs formula name QuasiCertifProtocol-COL-10-ReachabilityFireability-09
rfs formula type AG
rfs formula formula --invariant=/tmp/458/inv_9_
rfs formula name QuasiCertifProtocol-COL-10-ReachabilityFireability-10
rfs formula type EF
rfs formula formula --invariant=/tmp/458/inv_10_
rfs formula name QuasiCertifProtocol-COL-10-ReachabilityFireability-11
rfs formula type AG
rfs formula formula --invariant=/tmp/458/inv_11_
rfs formula name QuasiCertifProtocol-COL-10-ReachabilityFireability-12
rfs formula type EF
rfs formula formula --invariant=/tmp/458/inv_12_
rfs formula name QuasiCertifProtocol-COL-10-ReachabilityFireability-13
rfs formula type EF
rfs formula formula --invariant=/tmp/458/inv_13_
rfs formula name QuasiCertifProtocol-COL-10-ReachabilityFireability-14
rfs formula type EF
rfs formula formula --invariant=/tmp/458/inv_14_
rfs formula name QuasiCertifProtocol-COL-10-ReachabilityFireability-15
rfs formula type EF
rfs formula formula --invariant=/tmp/458/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="QuasiCertifProtocol-COL-10"
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 QuasiCertifProtocol-COL-10, 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-167873951000823"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/QuasiCertifProtocol-COL-10.tgz
mv QuasiCertifProtocol-COL-10 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 ;