Execution Chart

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

Trace from the execution

Formatting '/data/fko/mcc2022-input.r216-oct2-165281606300189.qcow2', fmt=qcow2 size=4294967296 backing_file=/data/fko/mcc2022-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 gold2021
Input is SatelliteMemory-PT-X00100Y0003, examination is Liveness
Time confinement is 1800 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r216-oct2-165281606300189
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 248K
-rw-r--r-- 1 mcc users 7.6K Apr 29 11:46 CTLCardinality.txt
-rw-r--r-- 1 mcc users 83K Apr 29 11:46 CTLCardinality.xml
-rw-r--r-- 1 mcc users 5.8K Apr 29 11:44 CTLFireability.txt
-rw-r--r-- 1 mcc users 55K Apr 29 11:44 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K May 10 09:34 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 3.7K May 9 08:42 LTLCardinality.txt
-rw-r--r-- 1 mcc users 25K May 9 08:42 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.4K May 9 08:42 LTLFireability.txt
-rw-r--r-- 1 mcc users 18K May 9 08:42 LTLFireability.xml
-rw-r--r-- 1 mcc users 1.8K May 9 08:42 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.8K May 9 08:42 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 May 10 09:34 equiv_col
-rw-r--r-- 1 mcc users 12 May 10 09:34 instance
-rw-r--r-- 1 mcc users 6 May 10 09:34 iscolored
-rwxr-xr-x 1 mcc users 5.5K May 10 09:34 model.pnml

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

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

The expected result is a vector of booleans
BOOL_VECTOR

FORMULA_NAME Liveness

=== Now, execution of the tool begins

BK_START 1653217963370

Running Version 0
[2022-05-22 11:12:44] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, Liveness, -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, 1800]
[2022-05-22 11:12:44] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2022-05-22 11:12:44] [INFO ] Load time of PNML (sax parser for PT used): 18 ms
[2022-05-22 11:12:44] [INFO ] Transformed 13 places.
[2022-05-22 11:12:44] [INFO ] Transformed 10 transitions.
[2022-05-22 11:12:44] [INFO ] Parsed PT model containing 13 places and 10 transitions in 51 ms.
Discarding 1 transitions out of 10. Remains 9
Reduce places removed 1 places and 0 transitions.
Built sparse matrix representations for Structural reductions in 3 ms.15539KB memory used
Starting structural reductions, iteration 0 : 12/12 places, 10/10 transitions.
Applied a total of 0 rules in 9 ms. Remains 12 /12 variables (removed 0) and now considering 10/10 (removed 0) transitions.
// Phase 1: matrix 10 rows 12 cols
[2022-05-22 11:12:45] [INFO ] Computed 6 place invariants in 6 ms
[2022-05-22 11:12:45] [INFO ] Dead Transitions using invariants and state equation in 121 ms returned []
Finished structural reductions, in 1 iterations. Remains : 12/12 places, 10/10 transitions.
Starting structural reductions, iteration 0 : 12/12 places, 10/10 transitions.
Applied a total of 0 rules in 1 ms. Remains 12 /12 variables (removed 0) and now considering 10/10 (removed 0) transitions.
// Phase 1: matrix 10 rows 12 cols
[2022-05-22 11:12:45] [INFO ] Computed 6 place invariants in 1 ms
[2022-05-22 11:12:45] [INFO ] Implicit Places using invariants in 39 ms returned []
// Phase 1: matrix 10 rows 12 cols
[2022-05-22 11:12:45] [INFO ] Computed 6 place invariants in 2 ms
[2022-05-22 11:12:45] [INFO ] State equation strengthened by 1 read => feed constraints.
[2022-05-22 11:12:45] [INFO ] Implicit Places using invariants and state equation in 24 ms returned []
Implicit Place search using SMT with State Equation took 65 ms to find 0 implicit places.
[2022-05-22 11:12:45] [INFO ] Redundant transitions in 0 ms returned []
// Phase 1: matrix 10 rows 12 cols
[2022-05-22 11:12:45] [INFO ] Computed 6 place invariants in 2 ms
[2022-05-22 11:12:45] [INFO ] Dead Transitions using invariants and state equation in 19 ms returned []
Finished structural reductions, in 1 iterations. Remains : 12/12 places, 10/10 transitions.
Random walk for 1250000 steps, including 0 resets, run took 660 ms (no deadlock found). (steps per millisecond=1893 )
Random directed walk for 1250001 steps, including 0 resets, run took 400 ms (no deadlock found). (steps per millisecond=3125 )
// Phase 1: matrix 10 rows 12 cols
[2022-05-22 11:12:46] [INFO ] Computed 6 place invariants in 1 ms
[2022-05-22 11:12:46] [INFO ] [Real]Absence check using 6 positive place invariants in 1 ms returned unsat
Starting structural reductions, iteration 0 : 13/13 places, 10/10 transitions.
Graph (trivial) has 2 edges and 13 vertex of which 2 / 13 are part of one of the 1 SCC in 5 ms
Free SCC test removed 1 places
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Reduce places removed 2 places and 0 transitions.
Iterating post reduction 0 with 2 rules applied. Total rules applied 3 place count 10 transition count 9
Applied a total of 3 rules in 7 ms. Remains 10 /13 variables (removed 3) and now considering 9/10 (removed 1) transitions.
// Phase 1: matrix 9 rows 10 cols
[2022-05-22 11:12:46] [INFO ] Computed 5 place invariants in 1 ms
[2022-05-22 11:12:46] [INFO ] Dead Transitions using invariants and state equation in 17 ms returned []
// Phase 1: matrix 9 rows 10 cols
[2022-05-22 11:12:46] [INFO ] Computed 5 place invariants in 7 ms
[2022-05-22 11:12:46] [INFO ] Implicit Places using invariants in 49 ms returned []
// Phase 1: matrix 9 rows 10 cols
[2022-05-22 11:12:46] [INFO ] Computed 5 place invariants in 0 ms
[2022-05-22 11:12:46] [INFO ] State equation strengthened by 1 read => feed constraints.
[2022-05-22 11:12:46] [INFO ] Implicit Places using invariants and state equation in 18 ms returned []
Implicit Place search using SMT with State Equation took 69 ms to find 0 implicit places.
// Phase 1: matrix 9 rows 10 cols
[2022-05-22 11:12:46] [INFO ] Computed 5 place invariants in 2 ms
[2022-05-22 11:12:46] [INFO ] Dead Transitions using invariants and state equation in 14 ms returned []
Finished structural reductions, in 1 iterations. Remains : 10/13 places, 9/10 transitions.
[2022-05-22 11:12:46] [INFO ] Initial state test concluded for 1 properties.
Incomplete random walk after 10000 steps, including 2 resets, run finished after 20 ms. (steps per millisecond=500 ) properties (out of 7) seen :5
Finished Best-First random walk after 567 steps, including 0 resets, run visited all 2 properties in 2 ms. (steps per millisecond=283 )
Able to resolve query QuasiLiveness after proving 9 properties.
Starting structural reductions, iteration 0 : 13/13 places, 10/10 transitions.
Graph (trivial) has 2 edges and 13 vertex of which 2 / 13 are part of one of the 1 SCC in 0 ms
Free SCC test removed 1 places
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Reduce places removed 2 places and 0 transitions.
Iterating post reduction 0 with 2 rules applied. Total rules applied 3 place count 10 transition count 9
Applied a total of 3 rules in 1 ms. Remains 10 /13 variables (removed 3) and now considering 9/10 (removed 1) transitions.
// Phase 1: matrix 9 rows 10 cols
[2022-05-22 11:12:46] [INFO ] Computed 5 place invariants in 0 ms
[2022-05-22 11:12:46] [INFO ] Dead Transitions using invariants and state equation in 19 ms returned []
// Phase 1: matrix 9 rows 10 cols
[2022-05-22 11:12:46] [INFO ] Computed 5 place invariants in 1 ms
[2022-05-22 11:12:46] [INFO ] Implicit Places using invariants in 24 ms returned []
// Phase 1: matrix 9 rows 10 cols
[2022-05-22 11:12:46] [INFO ] Computed 5 place invariants in 1 ms
[2022-05-22 11:12:46] [INFO ] State equation strengthened by 1 read => feed constraints.
[2022-05-22 11:12:46] [INFO ] Implicit Places using invariants and state equation in 42 ms returned []
Implicit Place search using SMT with State Equation took 68 ms to find 0 implicit places.
// Phase 1: matrix 9 rows 10 cols
[2022-05-22 11:12:46] [INFO ] Computed 5 place invariants in 1 ms
[2022-05-22 11:12:46] [INFO ] Dead Transitions using invariants and state equation in 14 ms returned []
Finished structural reductions, in 1 iterations. Remains : 10/13 places, 9/10 transitions.
[2022-05-22 11:12:46] [INFO ] Initial state test concluded for 1 properties.
[2022-05-22 11:12:46] [INFO ] Flatten gal took : 16 ms
[2022-05-22 11:12:46] [INFO ] Flatten gal took : 2 ms
[2022-05-22 11:12:46] [INFO ] Time to serialize gal into /tmp/CTLFireability8142310169369097398.gal : 3 ms
[2022-05-22 11:12:46] [INFO ] Time to serialize properties into /tmp/CTLFireability17086225843623769898.ctl : 0 ms
Invoking ITS tools like this :CommandLine [args=[/home/mcc/BenchKit/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202104292328/bin/its-ctl-linux64, --gc-threshold, 2000000, --quiet, -i, /tmp/CTLFireability8142310169369097398.gal, -t, CGAL, -ctl, /tmp/CTLFireability17086225843623769898.ctl, --gen-order, FOLLOW], workingDir=/home/mcc/execution]

its-ctl command run as :

/home/mcc/BenchKit/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202104292328/bin/its-ctl-linux64 --gc-threshold 2000000 --quiet -i /tmp/CTLFireability8142310169369097398.gal -t CGAL -ctl /tmp/CTLFireability17086225843623769898.ctl --gen-order FOLLOW
No direction supplied, using forward translation only.
Parsed 8 CTL formulae.
Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
reachable,38179,0.303431,14512,2,10508,5,52707,5,0,62,70213,0


Converting to forward existential form...Done !
original formula: AG(EF(((p12>=94)&&(p4>=6))))
=> equivalent forward existential formula: [(FwdU(Init,TRUE) * !(E(TRUE U ((p12>=94)&&(p4>=6)))))] = FALSE
Reverse transition relation is NOT exact ! Due to transitions t0, t5, t7, Intersection with reachable at each step enabled. (destroyed/reverse/intersect/total) :0/6/3/9
(forward)formula 0,1,1.88661,49640,1,0,43,121576,36,20,1226,145650,50
Formula is TRUE !

***************************************

original formula: AG(EF((((p2>=1)&&(p4>=1))&&(p6>=1))))
=> equivalent forward existential formula: [(FwdU(Init,TRUE) * !(E(TRUE U (((p2>=1)&&(p4>=1))&&(p6>=1)))))] = FALSE
(forward)formula 1,1,2.08188,54920,1,0,44,124081,37,21,1227,149859,56
Formula is TRUE !

***************************************

original formula: AG(EF(((p1>=1)&&(p6>=1))))
=> equivalent forward existential formula: [(FwdU(Init,TRUE) * !(E(TRUE U ((p1>=1)&&(p6>=1)))))] = FALSE
(forward)formula 2,1,2.15747,55712,1,0,45,125189,38,22,1227,152972,62
Formula is TRUE !

***************************************

original formula: AG(EF((p3>=100)))
=> equivalent forward existential formula: [(FwdU(Init,TRUE) * !(E(TRUE U (p3>=100))))] = FALSE
(forward)formula 3,1,2.93149,71400,1,0,48,163198,39,24,1227,174805,69
Formula is TRUE !

***************************************

original formula: AG(EF(((p12>=94)&&(p3>=94))))
=> equivalent forward existential formula: [(FwdU(Init,TRUE) * !(E(TRUE U ((p12>=94)&&(p3>=94)))))] = FALSE
(forward)formula 4,1,2.96718,72192,1,0,328,164227,40,210,1227,175936,536
Formula is TRUE !

***************************************

original formula: AG(EF((((p10>=1)&&(p12>=1))&&(p8>=1))))
=> equivalent forward existential formula: [(FwdU(Init,TRUE) * !(E(TRUE U (((p10>=1)&&(p12>=1))&&(p8>=1)))))] = FALSE
(forward)formula 5,1,2.96982,72456,1,0,329,164235,41,211,1228,175947,542
Formula is TRUE !

***************************************

original formula: AG(EF(((p12>=1)&&(p7>=1))))
=> equivalent forward existential formula: [(FwdU(Init,TRUE) * !(E(TRUE U ((p12>=1)&&(p7>=1)))))] = FALSE
(forward)formula 6,1,2.97285,72720,1,0,329,164336,42,211,1228,176046,545
Formula is TRUE !
Detected timeout of ITS tools.
[2022-05-22 11:12:49] [INFO ] Flatten gal took : 6 ms
[2022-05-22 11:12:49] [INFO ] Applying decomposition
[2022-05-22 11:12:49] [INFO ] Flatten gal took : 3 ms
Converted graph to binary with : CommandLine [args=[/home/mcc/BenchKit/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202104292328/bin/convert-linux64, -i, /tmp/graph1859732166023550677.txt, -o, /tmp/graph1859732166023550677.bin, -w, /tmp/graph1859732166023550677.weights], workingDir=null]
Built communities with : CommandLine [args=[/home/mcc/BenchKit/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202104292328/bin/louvain-linux64, /tmp/graph1859732166023550677.bin, -l, -1, -v, -w, /tmp/graph1859732166023550677.weights, -q, 0, -e, 0.001], workingDir=null]
[2022-05-22 11:12:49] [INFO ] Decomposing Gal with order
[2022-05-22 11:12:49] [INFO ] Rewriting arrays to variables to allow decomposition.
[2022-05-22 11:12:49] [INFO ] Removed a total of 1 redundant transitions.
[2022-05-22 11:12:49] [INFO ] Flatten gal took : 20 ms
[2022-05-22 11:12:49] [INFO ] Fuse similar labels procedure discarded/fused a total of 2 labels/synchronizations in 2 ms.
[2022-05-22 11:12:49] [INFO ] Time to serialize gal into /tmp/CTLFireability3259431693291587268.gal : 1 ms
[2022-05-22 11:12:49] [INFO ] Time to serialize properties into /tmp/CTLFireability6224523385784614546.ctl : 0 ms
Invoking ITS tools like this :CommandLine [args=[/home/mcc/BenchKit/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202104292328/bin/its-ctl-linux64, --gc-threshold, 2000000, --quiet, -i, /tmp/CTLFireability3259431693291587268.gal, -t, CGAL, -ctl, /tmp/CTLFireability6224523385784614546.ctl], workingDir=/home/mcc/execution]

its-ctl command run as :

/home/mcc/BenchKit/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202104292328/bin/its-ctl-linux64 --gc-threshold 2000000 --quiet -i /tmp/CTLFireability3259431693291587268.gal -t CGAL -ctl /tmp/CTLFireability6224523385784614546.ctl
No direction supplied, using forward translation only.
Parsed 1 CTL formulae.
Detected timeout of ITS tools.
[2022-05-22 11:12:52] [INFO ] Flatten gal took : 5 ms
[2022-05-22 11:12:52] [INFO ] Flatten gal took : 3 ms
[2022-05-22 11:12:52] [INFO ] Time to serialize gal into /tmp/CTLFireability11757676150346939937.gal : 0 ms
[2022-05-22 11:12:52] [INFO ] Time to serialize properties into /tmp/CTLFireability2049494247045765700.ctl : 0 ms
Invoking ITS tools like this :CommandLine [args=[/home/mcc/BenchKit/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202104292328/bin/its-ctl-linux64, --gc-threshold, 2000000, --quiet, -i, /tmp/CTLFireability11757676150346939937.gal, -t, CGAL, -ctl, /tmp/CTLFireability2049494247045765700.ctl, --gen-order, FOLLOW], workingDir=/home/mcc/execution]

its-ctl command run as :

/home/mcc/BenchKit/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202104292328/bin/its-ctl-linux64 --gc-threshold 2000000 --quiet -i /tmp/CTLFireability11757676150346939937.gal -t CGAL -ctl /tmp/CTLFireability2049494247045765700.ctl --gen-order FOLLOW
No direction supplied, using forward translation only.
Parsed 1 CTL formulae.
Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
reachable,38179,0.39319,14632,2,10508,5,52707,5,0,62,70213,0


Converting to forward existential form...Done !
original formula: AG(EF((p9>=100)))
=> equivalent forward existential formula: [(FwdU(Init,TRUE) * !(E(TRUE U (p9>=100))))] = FALSE
Reverse transition relation is NOT exact ! Due to transitions t0, t5, t7, Intersection with reachable at each step enabled. (destroyed/reverse/intersect/total) :0/6/3/9
(forward)formula 0,1,2.01112,50280,1,0,326,122612,36,210,1226,146779,525
Formula is TRUE !

***************************************

Able to resolve query Liveness after proving 9 properties.
FORMULA Liveness TRUE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL INITIAL_STATE

BK_STOP 1653217974996

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

+ export BINDIR=/home/mcc/BenchKit/bin//../
+ BINDIR=/home/mcc/BenchKit/bin//../
++ pwd
+ export MODEL=/home/mcc/execution
+ MODEL=/home/mcc/execution
+ [[ Liveness = StateSpace ]]
+ /home/mcc/BenchKit/bin//..//runeclipse.sh /home/mcc/execution Liveness -its -ltsmin -greatspnpath /home/mcc/BenchKit/bin//..//greatspn/ -order META -manyOrder -smt -timeout 1800
+ 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 Liveness -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 1800 -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="SatelliteMemory-PT-X00100Y0003"
export BK_EXAMINATION="Liveness"
export BK_TOOL="gold2021"
export BK_RESULT_DIR="/tmp/BK_RESULTS/OUTPUTS"
export BK_TIME_CONFINEMENT="1800"
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 gold2021"
echo " Input is SatelliteMemory-PT-X00100Y0003, examination is Liveness"
echo " Time confinement is $BK_TIME_CONFINEMENT seconds"
echo " Memory confinement is 16384 MBytes"
echo " Number of cores is 4"
echo " Run identifier is r216-oct2-165281606300189"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/SatelliteMemory-PT-X00100Y0003.tgz
mv SatelliteMemory-PT-X00100Y0003 execution
cd execution
if [ "Liveness" = "ReachabilityDeadlock" ] || [ "Liveness" = "UpperBounds" ] || [ "Liveness" = "QuasiLiveness" ] || [ "Liveness" = "StableMarking" ] || [ "Liveness" = "Liveness" ] || [ "Liveness" = "OneSafe" ] || [ "Liveness" = "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 [ "Liveness" = "UpperBounds" ] ; then
echo "The expected result is a vector of positive values"
echo NUM_VECTOR
elif [ "Liveness" != "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 "Liveness.txt" ] ; then
echo "here is the order used to build the result vector(from text file)"
for x in $(grep Property Liveness.txt | cut -d ' ' -f 2 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ -f "Liveness.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 '' Liveness.xml | cut -d '>' -f 2 | cut -d '<' -f 1 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ "Liveness" = "ReachabilityDeadlock" ] || [ "Liveness" = "QuasiLiveness" ] || [ "Liveness" = "StableMarking" ] || [ "Liveness" = "Liveness" ] || [ "Liveness" = "OneSafe" ] ; then
echo "FORMULA_NAME Liveness"
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 ;