About the Execution of ITS-Tools for BridgeAndVehicles-COL-V20P20N50
Execution Summary | |||||
Max Memory Used (MB) |
Time wait (ms) | CPU Usage (ms) | I/O Wait (ms) | Computed Result | Execution Status |
6610.560 | 2344548.00 | 9200133.00 | 163.10 | FFTFTFFTFFTTFTTF | normal |
Execution Chart
We display below the execution chart for this examination (boot time has been removed).
Trace from the execution
Formatting '/local/x2003239/mcc2019-input.r019-csrt-155225080300384.qcow2', fmt=qcow2 size=4294967296 backing_file=/local/x2003239/mcc2019-input.qcow2 encryption=off cluster_size=65536 lazy_refcounts=off refcount_bits=16
Waiting for the VM to be ready (probing ssh)
...................................................................................
=====================================================================
Generated by BenchKit 2-3954
Executing tool itstools
Input is BridgeAndVehicles-COL-V20P20N50, examination is LTLCardinality
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r019-csrt-155225080300384
=====================================================================
--------------------
preparation of the directory to be used:
/home/mcc/execution
total 224K
-rw-r--r-- 1 mcc users 4.2K Feb 9 07:56 CTLCardinality.txt
-rw-r--r-- 1 mcc users 21K Feb 9 07:56 CTLCardinality.xml
-rw-r--r-- 1 mcc users 3.5K Feb 5 04:56 CTLFireability.txt
-rw-r--r-- 1 mcc users 20K Feb 5 04:55 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.0K Mar 10 17:31 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 6.1K Mar 10 17:31 GenericPropertiesVerdict.xml
-rw-r--r-- 1 mcc users 118 Feb 24 15:05 GlobalProperties.txt
-rw-r--r-- 1 mcc users 356 Feb 24 15:05 GlobalProperties.xml
-rw-r--r-- 1 mcc users 2.7K Feb 4 22:59 LTLCardinality.txt
-rw-r--r-- 1 mcc users 11K Feb 4 22:59 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.4K Feb 4 22:32 LTLFireability.txt
-rw-r--r-- 1 mcc users 12K Feb 4 22:32 LTLFireability.xml
-rw-r--r-- 1 mcc users 4.1K Feb 2 01:15 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 19K Feb 2 01:15 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 3.5K Jan 29 12:30 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 17K Jan 29 12:30 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.9K Feb 4 22:18 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.9K Feb 4 22:18 UpperBounds.xml
-rw-r--r-- 1 mcc users 5 Jan 29 09:34 equiv_pt
-rw-r--r-- 1 mcc users 10 Jan 29 09:34 instance
-rw-r--r-- 1 mcc users 5 Jan 29 09:34 iscolored
-rw-r--r-- 1 mcc users 41K Mar 10 17:31 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 BridgeAndVehicles-COL-V20P20N50-LTLCardinality-00
FORMULA_NAME BridgeAndVehicles-COL-V20P20N50-LTLCardinality-01
FORMULA_NAME BridgeAndVehicles-COL-V20P20N50-LTLCardinality-02
FORMULA_NAME BridgeAndVehicles-COL-V20P20N50-LTLCardinality-03
FORMULA_NAME BridgeAndVehicles-COL-V20P20N50-LTLCardinality-04
FORMULA_NAME BridgeAndVehicles-COL-V20P20N50-LTLCardinality-05
FORMULA_NAME BridgeAndVehicles-COL-V20P20N50-LTLCardinality-06
FORMULA_NAME BridgeAndVehicles-COL-V20P20N50-LTLCardinality-07
FORMULA_NAME BridgeAndVehicles-COL-V20P20N50-LTLCardinality-08
FORMULA_NAME BridgeAndVehicles-COL-V20P20N50-LTLCardinality-09
FORMULA_NAME BridgeAndVehicles-COL-V20P20N50-LTLCardinality-10
FORMULA_NAME BridgeAndVehicles-COL-V20P20N50-LTLCardinality-11
FORMULA_NAME BridgeAndVehicles-COL-V20P20N50-LTLCardinality-12
FORMULA_NAME BridgeAndVehicles-COL-V20P20N50-LTLCardinality-13
FORMULA_NAME BridgeAndVehicles-COL-V20P20N50-LTLCardinality-14
FORMULA_NAME BridgeAndVehicles-COL-V20P20N50-LTLCardinality-15
=== Now, execution of the tool begins
BK_START 1552437918877
00:45:21.327 [main] ERROR PNML validation - The rng grammar file can't be accessed : www.pnml.org
00:45:21.330 [main] ERROR import - Grammar file errors have been raised, the validation can't be done, process will continue without Grammar validation
Working with output stream class java.io.PrintStream
Using solver Z3 to compute partial order matrices.
Built C files in :
/home/mcc/execution
Invoking ITS tools like this :CommandLine [args=[/home/mcc/BenchKit/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.201903111103/bin/its-ltl-linux64, --gc-threshold, 2000000, -i, /home/mcc/execution/LTLCardinality.pnml.gal, -t, CGAL, -LTL, /home/mcc/execution/LTLCardinality.ltl, -c, -stutter-deadlock], workingDir=/home/mcc/execution]
its-ltl command run as :
/home/mcc/BenchKit/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.201903111103/bin/its-ltl-linux64 --gc-threshold 2000000 -i /home/mcc/execution/LTLCardinality.pnml.gal -t CGAL -LTL /home/mcc/execution/LTLCardinality.ltl -c -stutter-deadlock
Read 16 LTL properties
Checking formula 0 : !(("((CHOIX_0+CHOIX_1)>=3)"))
Formula 0 simplified : !"((CHOIX_0+CHOIX_1)>=3)"
Running compilation step : CommandLine [args=[gcc, -c, -I/home/mcc/BenchKit//lts_install_dir//include, -I., -std=c99, -fPIC, -O2, model.c], workingDir=/home/mcc/execution]
Compilation finished in 27615 ms.
Running link step : CommandLine [args=[gcc, -shared, -o, gal.so, model.o], workingDir=/home/mcc/execution]
Link finished in 95 ms.
Running LTSmin : CommandLine [args=[/home/mcc/BenchKit//lts_install_dir//bin/pins2lts-mc, ./gal.so, --threads=8, -p, --pins-guards, --when, --ltl, (LTLAP0==true), --buchi-type=spotba], workingDir=/home/mcc/execution]
LTSmin run took 31363 ms.
FORMULA BridgeAndVehicles-COL-V20P20N50-LTLCardinality-00 FALSE TECHNIQUES PARTIAL_ORDER EXPLICIT LTSMIN SAT_SMT
Running LTSmin : CommandLine [args=[/home/mcc/BenchKit//lts_install_dir//bin/pins2lts-mc, ./gal.so, --threads=8, -p, --pins-guards, --when, --ltl, []([]([]((LTLAP1==true)))), --buchi-type=spotba], workingDir=/home/mcc/execution]
LTSmin run took 32351 ms.
FORMULA BridgeAndVehicles-COL-V20P20N50-LTLCardinality-01 FALSE TECHNIQUES PARTIAL_ORDER EXPLICIT LTSMIN SAT_SMT
Running LTSmin : CommandLine [args=[/home/mcc/BenchKit//lts_install_dir//bin/pins2lts-mc, ./gal.so, --threads=8, --when, --ltl, X((LTLAP2==true)), --buchi-type=spotba], workingDir=/home/mcc/execution]
LTSmin run took 1718 ms.
FORMULA BridgeAndVehicles-COL-V20P20N50-LTLCardinality-02 TRUE TECHNIQUES PARTIAL_ORDER EXPLICIT LTSMIN SAT_SMT
Running LTSmin : CommandLine [args=[/home/mcc/BenchKit//lts_install_dir//bin/pins2lts-mc, ./gal.so, --threads=8, -p, --pins-guards, --when, --ltl, (LTLAP3==true), --buchi-type=spotba], workingDir=/home/mcc/execution]
LTSmin run took 33052 ms.
FORMULA BridgeAndVehicles-COL-V20P20N50-LTLCardinality-03 FALSE TECHNIQUES PARTIAL_ORDER EXPLICIT LTSMIN SAT_SMT
Running LTSmin : CommandLine [args=[/home/mcc/BenchKit//lts_install_dir//bin/pins2lts-mc, ./gal.so, --threads=8, -p, --pins-guards, --when, --ltl, ((LTLAP4==true))U(((LTLAP5==true))U((LTLAP6==true))), --buchi-type=spotba], workingDir=/home/mcc/execution]
LTSmin run took 21194 ms.
FORMULA BridgeAndVehicles-COL-V20P20N50-LTLCardinality-04 TRUE TECHNIQUES PARTIAL_ORDER EXPLICIT LTSMIN SAT_SMT
Running LTSmin : CommandLine [args=[/home/mcc/BenchKit//lts_install_dir//bin/pins2lts-mc, ./gal.so, --threads=8, -p, --pins-guards, --when, --ltl, (LTLAP7==true), --buchi-type=spotba], workingDir=/home/mcc/execution]
LTSmin run took 33632 ms.
FORMULA BridgeAndVehicles-COL-V20P20N50-LTLCardinality-05 FALSE TECHNIQUES PARTIAL_ORDER EXPLICIT LTSMIN SAT_SMT
Running LTSmin : CommandLine [args=[/home/mcc/BenchKit//lts_install_dir//bin/pins2lts-mc, ./gal.so, --threads=8, -p, --pins-guards, --when, --ltl, <>([](<>(<>((LTLAP8==true))))), --buchi-type=spotba], workingDir=/home/mcc/execution]
LTSmin run took 34069 ms.
FORMULA BridgeAndVehicles-COL-V20P20N50-LTLCardinality-06 FALSE TECHNIQUES PARTIAL_ORDER EXPLICIT LTSMIN SAT_SMT
Running LTSmin : CommandLine [args=[/home/mcc/BenchKit//lts_install_dir//bin/pins2lts-mc, ./gal.so, --threads=8, --when, --ltl, ((LTLAP9==true))U(X(<>((LTLAP10==true)))), --buchi-type=spotba], workingDir=/home/mcc/execution]
LTSmin run took 979 ms.
FORMULA BridgeAndVehicles-COL-V20P20N50-LTLCardinality-07 TRUE TECHNIQUES PARTIAL_ORDER EXPLICIT LTSMIN SAT_SMT
Running LTSmin : CommandLine [args=[/home/mcc/BenchKit//lts_install_dir//bin/pins2lts-mc, ./gal.so, --threads=8, --when, --ltl, ([](X((LTLAP0==true))))U(X(X((LTLAP11==true)))), --buchi-type=spotba], workingDir=/home/mcc/execution]
LTSmin run took 1881 ms.
FORMULA BridgeAndVehicles-COL-V20P20N50-LTLCardinality-08 FALSE TECHNIQUES PARTIAL_ORDER EXPLICIT LTSMIN SAT_SMT
Running LTSmin : CommandLine [args=[/home/mcc/BenchKit//lts_install_dir//bin/pins2lts-mc, ./gal.so, --threads=8, -p, --pins-guards, --when, --ltl, []([](((LTLAP12==true))U((LTLAP13==true)))), --buchi-type=spotba], workingDir=/home/mcc/execution]
LTSmin run took 55750 ms.
FORMULA BridgeAndVehicles-COL-V20P20N50-LTLCardinality-09 FALSE TECHNIQUES PARTIAL_ORDER EXPLICIT LTSMIN SAT_SMT
Running LTSmin : CommandLine [args=[/home/mcc/BenchKit//lts_install_dir//bin/pins2lts-mc, ./gal.so, --threads=8, --when, --ltl, ([](X((LTLAP14==true))))U((LTLAP15==true)), --buchi-type=spotba], workingDir=/home/mcc/execution]
LTSmin run took 1976 ms.
FORMULA BridgeAndVehicles-COL-V20P20N50-LTLCardinality-10 TRUE TECHNIQUES PARTIAL_ORDER EXPLICIT LTSMIN SAT_SMT
Running LTSmin : CommandLine [args=[/home/mcc/BenchKit//lts_install_dir//bin/pins2lts-mc, ./gal.so, --threads=8, --when, --ltl, ([](X((LTLAP16==true))))U(((LTLAP0==true))U((LTLAP17==true))), --buchi-type=spotba], workingDir=/home/mcc/execution]
LTSmin run took 1644 ms.
FORMULA BridgeAndVehicles-COL-V20P20N50-LTLCardinality-11 TRUE TECHNIQUES PARTIAL_ORDER EXPLICIT LTSMIN SAT_SMT
Running LTSmin : CommandLine [args=[/home/mcc/BenchKit//lts_install_dir//bin/pins2lts-mc, ./gal.so, --threads=8, --when, --ltl, [](X(<>(X((LTLAP2==true))))), --buchi-type=spotba], workingDir=/home/mcc/execution]
LTSmin run took 4441 ms.
FORMULA BridgeAndVehicles-COL-V20P20N50-LTLCardinality-12 FALSE TECHNIQUES PARTIAL_ORDER EXPLICIT LTSMIN SAT_SMT
Running LTSmin : CommandLine [args=[/home/mcc/BenchKit//lts_install_dir//bin/pins2lts-mc, ./gal.so, --threads=8, -p, --pins-guards, --when, --ltl, (LTLAP9==true), --buchi-type=spotba], workingDir=/home/mcc/execution]
LTSmin run took 22742 ms.
FORMULA BridgeAndVehicles-COL-V20P20N50-LTLCardinality-13 TRUE TECHNIQUES PARTIAL_ORDER EXPLICIT LTSMIN SAT_SMT
Running LTSmin : CommandLine [args=[/home/mcc/BenchKit//lts_install_dir//bin/pins2lts-mc, ./gal.so, --threads=8, --when, --ltl, <>(X([]((LTLAP13==true)))), --buchi-type=spotba], workingDir=/home/mcc/execution]
WARNING : LTSmin timed out (>225 s) on command CommandLine [args=[/home/mcc/BenchKit//lts_install_dir//bin/pins2lts-mc, ./gal.so, --threads=8, --when, --ltl, <>(X([]((LTLAP13==true)))), --buchi-type=spotba], workingDir=/home/mcc/execution]
Running LTSmin : CommandLine [args=[/home/mcc/BenchKit//lts_install_dir//bin/pins2lts-mc, ./gal.so, --threads=8, -p, --pins-guards, --when, --ltl, (LTLAP18==true), --buchi-type=spotba], workingDir=/home/mcc/execution]
Reverse transition relation is NOT exact ! Due to transitions enregistrement_A, liberation_A, basculement, liberation_B, enregistrement_B, timeout_A, timeout_B, Intersection with reachable at each step enabled. (destroyed/reverse/intersect/total) :1/3/7/11
LTSmin run took 32785 ms.
FORMULA BridgeAndVehicles-COL-V20P20N50-LTLCardinality-15 FALSE TECHNIQUES PARTIAL_ORDER EXPLICIT LTSMIN SAT_SMT
Retrying LTSmin with larger timeout 1800 s
Running LTSmin : CommandLine [args=[/home/mcc/BenchKit//lts_install_dir//bin/pins2lts-mc, ./gal.so, --threads=8, --when, --ltl, <>(X([]((LTLAP13==true)))), --buchi-type=spotba], workingDir=/home/mcc/execution]
Computing Next relation with stutter on 40 deadlock states
LTSmin run took 1777296 ms.
FORMULA BridgeAndVehicles-COL-V20P20N50-LTLCardinality-14 TRUE TECHNIQUES PARTIAL_ORDER EXPLICIT LTSMIN SAT_SMT
ITS tools runner thread asked to quit. Dying gracefully.
BK_STOP 1552440263425
--------------------
content from stderr:
+ export BINDIR=/home/mcc/BenchKit/
+ BINDIR=/home/mcc/BenchKit/
++ pwd
+ export MODEL=/home/mcc/execution
+ MODEL=/home/mcc/execution
+ [[ LTLCardinality = StateSpace ]]
+ /home/mcc/BenchKit//runeclipse.sh /home/mcc/execution LTLCardinality -its -ltsminpath /home/mcc/BenchKit//lts_install_dir/ -smt
+ ulimit -s 65536
+ [[ -z '' ]]
+ export LTSMIN_MEM_SIZE=8589934592
+ LTSMIN_MEM_SIZE=8589934592
+ /home/mcc/BenchKit//itstools/its-tools -data /home/mcc/execution/workspace -pnfolder /home/mcc/execution -examination LTLCardinality -z3path /home/mcc/BenchKit//z3/bin/z3 -yices2path /home/mcc/BenchKit//yices/bin/yices -its -ltsminpath /home/mcc/BenchKit//lts_install_dir/ -smt -vmargs -Dosgi.locking=none -Declipse.stateSaveDelayInterval=-1 -Dosgi.configuration.area=/tmp/.eclipse -Xss8m -Xms40m -Xmx8192m -Dfile.encoding=UTF-8 -Dosgi.requiredJavaVersion=1.6
Mar 13, 2019 12:45:20 AM fr.lip6.move.gal.application.Application start
INFO: Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, LTLCardinality, -z3path, /home/mcc/BenchKit//z3/bin/z3, -yices2path, /home/mcc/BenchKit//yices/bin/yices, -its, -ltsminpath, /home/mcc/BenchKit//lts_install_dir/, -smt]
Mar 13, 2019 12:45:20 AM fr.lip6.move.gal.application.MccTranslator transformPNML
INFO: Parsing pnml file : /home/mcc/execution/model.pnml
Mar 13, 2019 12:45:20 AM fr.lip6.move.gal.pnml.togal.PnmlToGalTransformer transform
INFO: Detected file is not PT type :http://www.pnml.org/version-2009/grammar/symmetricnet
Mar 13, 2019 12:45:21 AM fr.lip6.move.gal.pnml.togal.PnmlToGalTransformer transform
INFO: Load time of PNML (colored model parsed with PNMLFW) : 1111 ms
Mar 13, 2019 12:45:21 AM fr.lip6.move.gal.pnml.togal.HLGALTransformer handlePage
INFO: Transformed 15 places.
Mar 13, 2019 12:45:21 AM fr.lip6.move.gal.pnml.togal.HLGALTransformer handlePage
INFO: Computed order using colors.
Mar 13, 2019 12:45:21 AM fr.lip6.move.gal.pnml.togal.HLGALTransformer handlePage
INFO: sort/places :sens->CONTROLEUR,CHOIX,VIDANGE,
compteur->COMPTEUR,
Dot->CAPACITE,SORTI_A,ROUTE_A,ATTENTE_A,SUR_PONT_A,SUR_PONT_B,ATTENTE_B,ROUTE_B,SORTI_B,
voitureA->NB_ATTENTE_A,
voitureB->NB_ATTENTE_B,
Mar 13, 2019 12:45:21 AM fr.lip6.move.gal.pnml.togal.HLGALTransformer handlePage
INFO: Transformed 11 transitions.
Mar 13, 2019 12:45:21 AM fr.lip6.move.gal.pnml.togal.PnmlToGalTransformer transform
INFO: Computed order based on color domains.
Mar 13, 2019 12:45:21 AM fr.lip6.move.serialization.SerializationUtil systemToFile
INFO: Time to serialize gal into /home/mcc/execution/model.pnml.img.gal : 20 ms
Mar 13, 2019 12:45:22 AM fr.lip6.move.gal.instantiate.Instantiator instantiateParameters
INFO: On-the-fly reduction of False transitions avoided exploring 99.0 instantiations of transitions. Total transitions/syncs built is 298
Mar 13, 2019 12:45:22 AM fr.lip6.move.gal.instantiate.GALRewriter flatten
INFO: Flatten gal took : 102 ms
Mar 13, 2019 12:45:22 AM fr.lip6.move.serialization.SerializationUtil systemToFile
INFO: Time to serialize gal into /home/mcc/execution/LTLCardinality.pnml.gal : 5 ms
Mar 13, 2019 12:45:22 AM fr.lip6.move.serialization.SerializationUtil serializePropertiesForITSLTLTools
INFO: Time to serialize properties into /home/mcc/execution/LTLCardinality.ltl : 1 ms
Mar 13, 2019 12:45:22 AM fr.lip6.move.gal.semantics.DeterministicNextBuilder getDeterministicNext
INFO: Input system was not deterministic with 11 transitions. Expanding to a total of 2431 deterministic transitions.
Mar 13, 2019 12:45:22 AM fr.lip6.move.gal.semantics.DeterministicNextBuilder getDeterministicNext
INFO: Determinization took 14 ms.
Mar 13, 2019 12:45:22 AM fr.lip6.move.gal.gal2pins.Gal2PinsTransformerNext transform
INFO: Too many transitions (2228) to apply POR reductions. Disabling POR matrices.
Mar 13, 2019 12:45:23 AM fr.lip6.move.gal.gal2pins.Gal2PinsTransformerNext transform
INFO: Built C files in 458ms conformant to PINS in folder :/home/mcc/execution
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="BridgeAndVehicles-COL-V20P20N50"
export BK_EXAMINATION="LTLCardinality"
export BK_TOOL="itstools"
export BK_RESULT_DIR="/tmp/BK_RESULTS/OUTPUTS"
export BK_TIME_CONFINEMENT="3600"
export BK_MEMORY_CONFINEMENT="16384"
# 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 2-3954"
echo " Executing tool itstools"
echo " Input is BridgeAndVehicles-COL-V20P20N50, examination is LTLCardinality"
echo " Time confinement is $BK_TIME_CONFINEMENT seconds"
echo " Memory confinement is 16384 MBytes"
echo " Number of cores is 4"
echo " Run identifier is r019-csrt-155225080300384"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"
tar xzf /home/mcc/BenchKit/INPUTS/BridgeAndVehicles-COL-V20P20N50.tgz
mv BridgeAndVehicles-COL-V20P20N50 execution
cd execution
if [ "LTLCardinality" = "GlobalProperties" ] ; then
rm -f GenericPropertiesVerdict.xml
fi
if [ "LTLCardinality" = "UpperBounds" ] ; 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 [ "LTLCardinality" = "UpperBounds" ] ; then
echo "The expected result is a vector of positive values"
echo NUM_VECTOR
elif [ "LTLCardinality" != "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 "LTLCardinality.txt" ] ; then
echo "here is the order used to build the result vector(from text file)"
for x in $(grep Property LTLCardinality.txt | cut -d ' ' -f 2 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ -f "LTLCardinality.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 '
echo "FORMULA_NAME $x"
done
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 ;