Execution Chart

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

Trace from the execution

Formatting '/mnt/tpsp/fkordon/mcc2020-input.r126-tajo-158961390200340.qcow2', fmt=qcow2 size=4294967296 backing_file='/mnt/tpsp/fkordon/mcc2020-input.qcow2' encryption=off cluster_size=65536 lazy_refcounts=off
Waiting for the VM to be ready (probing ssh)
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=====================================================================
Generated by BenchKit 2-4028
Executing tool itstools
Input is PolyORBLF-COL-S04J06T06, examination is CTLFireability
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r126-tajo-158961390200340
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 336K
-rw-r--r-- 1 mcc users 4.2K Apr 12 05:44 CTLCardinality.txt
-rw-r--r-- 1 mcc users 21K Apr 12 05:44 CTLCardinality.xml
-rw-r--r-- 1 mcc users 3.1K Apr 11 05:04 CTLFireability.txt
-rw-r--r-- 1 mcc users 20K Apr 11 05:04 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.0K Mar 24 05:37 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 5.9K Mar 24 05:37 GenericPropertiesVerdict.xml
-rw-r--r-- 1 mcc users 4.0K Apr 14 12:46 LTLCardinality.txt
-rw-r--r-- 1 mcc users 24K Apr 28 14:02 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.2K Apr 14 12:46 LTLFireability.txt
-rw-r--r-- 1 mcc users 15K Apr 28 14:02 LTLFireability.xml
-rw-r--r-- 1 mcc users 4.3K Apr 10 12:40 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 20K Apr 10 12:40 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 2.6K Apr 9 17:56 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 12K Apr 9 17:56 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.8K Apr 10 22:22 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.8K Apr 10 22:22 UpperBounds.xml
-rw-r--r-- 1 mcc users 5 Mar 24 05:37 equiv_pt
-rw-r--r-- 1 mcc users 10 Mar 24 05:37 instance
-rw-r--r-- 1 mcc users 5 Mar 24 05:37 iscolored
-rw-r--r-- 1 mcc users 154K Mar 24 05:37 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 PolyORBLF-COL-S04J06T06-CTLFireability-00
FORMULA_NAME PolyORBLF-COL-S04J06T06-CTLFireability-01
FORMULA_NAME PolyORBLF-COL-S04J06T06-CTLFireability-02
FORMULA_NAME PolyORBLF-COL-S04J06T06-CTLFireability-03
FORMULA_NAME PolyORBLF-COL-S04J06T06-CTLFireability-04
FORMULA_NAME PolyORBLF-COL-S04J06T06-CTLFireability-05
FORMULA_NAME PolyORBLF-COL-S04J06T06-CTLFireability-06
FORMULA_NAME PolyORBLF-COL-S04J06T06-CTLFireability-07
FORMULA_NAME PolyORBLF-COL-S04J06T06-CTLFireability-08
FORMULA_NAME PolyORBLF-COL-S04J06T06-CTLFireability-09
FORMULA_NAME PolyORBLF-COL-S04J06T06-CTLFireability-10
FORMULA_NAME PolyORBLF-COL-S04J06T06-CTLFireability-11
FORMULA_NAME PolyORBLF-COL-S04J06T06-CTLFireability-12
FORMULA_NAME PolyORBLF-COL-S04J06T06-CTLFireability-13
FORMULA_NAME PolyORBLF-COL-S04J06T06-CTLFireability-14
FORMULA_NAME PolyORBLF-COL-S04J06T06-CTLFireability-15

=== Now, execution of the tool begins

BK_START 1589806793214

[2020-05-18 12:59:55] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, CTLFireability, -z3path, /home/mcc/BenchKit//z3/bin/z3, -yices2path, /home/mcc/BenchKit//yices/bin/yices, -its, -ltsminpath, /home/mcc/BenchKit//lts_install_dir/, -greatspnpath, /home/mcc/BenchKit//greatspn/, -order, META, -manyOrder, -smt, -timeout, 3600]
[2020-05-18 12:59:55] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2020-05-18 12:59:55] [INFO ] Detected file is not PT type :http://www.pnml.org/version-2009/grammar/symmetricnet
SLF4J: Failed to load class "org.slf4j.impl.StaticLoggerBinder".
SLF4J: Defaulting to no-operation (NOP) logger implementation
SLF4J: See http://www.slf4j.org/codes.html#StaticLoggerBinder for further details.
[2020-05-18 12:59:56] [INFO ] Load time of PNML (colored model parsed with PNMLFW) : 881 ms
[2020-05-18 12:59:56] [INFO ] sort/places :
D4->DisablePollingE,DisablePollingB,Insert_Source_B,P_1119,P_2579,
Threads->AwakeTasks,IdleTasks,NotifyEventJobQueuedE,QueueJobE,P_2321,TryAllocateOneTaskE,TryAllocateOneTaskB,P_2318,EnablePollingE,EnablePollingB,FetchJobB,ScheduleTaskE_Check,ScheduleTaskB,Abort_Check_Sources_E,Abort_Check_Sources_B,NotifyEventSourceAddedB,Insert_Source_E,NotifyEventSourceAddedE,P_1113,ProcessingEvt,P_1155,nyo,P_1158,P_1159,P_1160,NotifyEventEndOfCheckSourcesB,NotifyEventEndOfCheckSourcesE,Check_Sources_B,Check_Sources_E,Idle,NotifyEventJobCompletedE,NotifyEventJobCompletedB,RunE,RunB,Perform_Work_E,Try_Check_Sources_B,Try_Check_Sources_E,P_1617,ScheduleTaskE_Idle,
D6->CreatedJobs,
Jobs->P_1725,P_1724,P_1712,AvailableJobId,
Dot->cJobCnt,JobCnt,cBlockedTasks,PollingAbort,cPollingAbort,BlockedTasks,MarkerWrite,P_1727,P_1726,MarkerRead,P_1717,P_1716,CanInjectEvent,SigAbort,NoSigAbort,P_1093,P_1095,P_1097,P_1099,cSources,cIsMonitoring,IsMonitoring,cIdleTasks,ORB_Lock,
Sources->DataOnSrc,PlaceSources,ModifiedSrc,AbourtToModifySrc,
D1->NotifyEventJobQueuedB,QueueJobB,FetchJobE,ScheduleTaskE_Work,

[2020-05-18 12:59:56] [INFO ] ms2 symmetric to ms1 in transition T_1124
[2020-05-18 12:59:56] [INFO ] ms3 symmetric to ms2 in transition T_1125
[2020-05-18 12:59:56] [INFO ] ms2 symmetric to ms1 in transition T_1125
[2020-05-18 12:59:56] [INFO ] ms3 symmetric to ms2 in transition T_1126
[2020-05-18 12:59:56] [INFO ] ms2 symmetric to ms1 in transition T_1126
[2020-05-18 12:59:56] [INFO ] ms1 symmetric to ms4 in transition T_1126
[2020-05-18 12:59:56] [INFO ] Imported 81 HL places and 65 HL transitions for a total of 618 PT places and 3232.0 transition bindings in 47 ms.
[2020-05-18 12:59:56] [INFO ] Computed order based on color domains.
[2020-05-18 12:59:56] [INFO ] Unfolded HLPN to a Petri net with 618 places and 1564 transitions in 43 ms.
[2020-05-18 12:59:56] [INFO ] Unfolded HLPN properties in 1 ms.
Parsed 16 properties from file /home/mcc/execution/CTLFireability.xml in 86 ms.
Incomplete random walk after 100000 steps, including 7 resets, run finished after 1009 ms. (steps per millisecond=99 ) properties seen :[1, 0, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 0, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 0, 1, 1, 1, 0, 1, 1, 1, 1, 1, 1, 0, 1, 0, 1, 1, 1, 1, 1, 0, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-05-18 12:59:57] [INFO ] Flow matrix only has 1540 transitions (discarded 24 similar events)
// Phase 1: matrix 1540 rows 618 cols
[2020-05-18 12:59:57] [INFO ] Computed 54 place invariants in 85 ms
[2020-05-18 12:59:57] [INFO ] [Real]Absence check using 18 positive place invariants in 158 ms returned sat
[2020-05-18 12:59:58] [INFO ] [Real]Absence check using 18 positive and 36 generalized place invariants in 44 ms returned unsat
[2020-05-18 12:59:58] [INFO ] [Real]Absence check using 18 positive place invariants in 19 ms returned sat
[2020-05-18 12:59:58] [INFO ] [Real]Absence check using 18 positive and 36 generalized place invariants in 23 ms returned unsat
[2020-05-18 12:59:58] [INFO ] [Real]Absence check using 18 positive place invariants in 51 ms returned sat
[2020-05-18 12:59:58] [INFO ] [Real]Absence check using 18 positive and 36 generalized place invariants in 49 ms returned unsat
[2020-05-18 12:59:58] [INFO ] [Real]Absence check using 18 positive place invariants in 17 ms returned sat
[2020-05-18 12:59:58] [INFO ] [Real]Absence check using 18 positive and 36 generalized place invariants in 29 ms returned unsat
[2020-05-18 12:59:58] [INFO ] [Real]Absence check using 18 positive place invariants in 17 ms returned sat
[2020-05-18 12:59:58] [INFO ] [Real]Absence check using 18 positive and 36 generalized place invariants in 21 ms returned unsat
[2020-05-18 12:59:58] [INFO ] [Real]Absence check using 18 positive place invariants in 17 ms returned sat
[2020-05-18 12:59:58] [INFO ] [Real]Absence check using 18 positive and 36 generalized place invariants in 44 ms returned unsat
[2020-05-18 12:59:59] [INFO ] [Real]Absence check using 18 positive place invariants in 21 ms returned sat
[2020-05-18 12:59:59] [INFO ] [Real]Absence check using 18 positive and 36 generalized place invariants in 49 ms returned unsat
Successfully simplified 7 atomic propositions for a total of 7 simplifications.
[2020-05-18 12:59:59] [INFO ] Initial state reduction rules for CTL removed 4 formulas.
[2020-05-18 12:59:59] [INFO ] Flatten gal took : 397 ms
[2020-05-18 12:59:59] [INFO ] Initial state reduction rules for CTL removed 4 formulas.
[2020-05-18 12:59:59] [INFO ] Flatten gal took : 148 ms
FORMULA PolyORBLF-COL-S04J06T06-CTLFireability-10 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA PolyORBLF-COL-S04J06T06-CTLFireability-09 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA PolyORBLF-COL-S04J06T06-CTLFireability-05 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA PolyORBLF-COL-S04J06T06-CTLFireability-01 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
[2020-05-18 12:59:59] [INFO ] Applying decomposition
[2020-05-18 13:00:00] [INFO ] Flatten gal took : 156 ms
Converted graph to binary with : CommandLine [args=[/home/mcc/BenchKit/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202005100927/bin/convert-linux64, -i, /tmp/graph5166203664492225237.txt, -o, /tmp/graph5166203664492225237.bin, -w, /tmp/graph5166203664492225237.weights], workingDir=null]
Built communities with : CommandLine [args=[/home/mcc/BenchKit/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202005100927/bin/louvain-linux64, /tmp/graph5166203664492225237.bin, -l, -1, -v, -w, /tmp/graph5166203664492225237.weights, -q, 0, -e, 0.001], workingDir=null]
[2020-05-18 13:00:00] [INFO ] Decomposing Gal with order
[2020-05-18 13:00:00] [INFO ] Rewriting arrays to variables to allow decomposition.
[2020-05-18 13:00:00] [INFO ] Removed a total of 1075 redundant transitions.
[2020-05-18 13:00:01] [INFO ] Flatten gal took : 394 ms
[2020-05-18 13:00:01] [INFO ] Fuse similar labels procedure discarded/fused a total of 231 labels/synchronizations in 41 ms.
[2020-05-18 13:00:01] [INFO ] Time to serialize gal into /home/mcc/execution/CTLFireability.pnml.gal : 40 ms
[2020-05-18 13:00:01] [INFO ] Time to serialize properties into /home/mcc/execution/CTLFireability.ctl : 5 ms
Invoking ITS tools like this :CommandLine [args=[/home/mcc/BenchKit/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202005100927/bin/its-ctl-linux64, --gc-threshold, 2000000, --quiet, -i, /home/mcc/execution/CTLFireability.pnml.gal, -t, CGAL, -ctl, /home/mcc/execution/CTLFireability.ctl], workingDir=/home/mcc/execution]

its-ctl command run as :

/home/mcc/BenchKit/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202005100927/bin/its-ctl-linux64 --gc-threshold 2000000 --quiet -i /home/mcc/execution/CTLFireability.pnml.gal -t CGAL -ctl /home/mcc/execution/CTLFireability.ctl
No direction supplied, using forward translation only.
Parsed 12 CTL formulae.
built 52 ordering constraints for composite.
built 12 ordering constraints for composite.
built 100 ordering constraints for composite.
built 66 ordering constraints for composite.
built 116 ordering constraints for composite.
built 72 ordering constraints for composite.
built 55 ordering constraints for composite.
built 114 ordering constraints for composite.
built 157 ordering constraints for composite.
built 12 ordering constraints for composite.
built 55 ordering constraints for composite.
built 55 ordering constraints for composite.
built 52 ordering constraints for composite.
built 67 ordering constraints for composite.
built 11 ordering constraints for composite.
built 55 ordering constraints for composite.
built 50 ordering constraints for composite.
built 13 ordering constraints for composite.
built 13 ordering constraints for composite.
built 27 ordering constraints for composite.
Detected timeout of ITS tools.
[2020-05-18 13:20:04] [INFO ] Applying decomposition
[2020-05-18 13:20:04] [INFO ] Flatten gal took : 472 ms
[2020-05-18 13:20:04] [INFO ] Decomposing Gal with order
[2020-05-18 13:20:04] [INFO ] Rewriting arrays to variables to allow decomposition.
[2020-05-18 13:20:05] [INFO ] Removed a total of 5935 redundant transitions.
[2020-05-18 13:20:05] [INFO ] Flatten gal took : 444 ms
[2020-05-18 13:20:05] [INFO ] Fuse similar labels procedure discarded/fused a total of 60 labels/synchronizations in 195 ms.
[2020-05-18 13:20:05] [INFO ] Time to serialize gal into /home/mcc/execution/CTLFireability.pnml.gal : 30 ms
[2020-05-18 13:20:05] [INFO ] Time to serialize properties into /home/mcc/execution/CTLFireability.ctl : 14 ms
Invoking ITS tools like this :CommandLine [args=[/home/mcc/BenchKit/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202005100927/bin/its-ctl-linux64, --gc-threshold, 2000000, --quiet, -i, /home/mcc/execution/CTLFireability.pnml.gal, -t, CGAL, -ctl, /home/mcc/execution/CTLFireability.ctl], workingDir=/home/mcc/execution]

its-ctl command run as :

/home/mcc/BenchKit/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202005100927/bin/its-ctl-linux64 --gc-threshold 2000000 --quiet -i /home/mcc/execution/CTLFireability.pnml.gal -t CGAL -ctl /home/mcc/execution/CTLFireability.ctl
No direction supplied, using forward translation only.
Parsed 12 CTL formulae.
built 1015 ordering constraints for composite.
Detected timeout of ITS tools.
[2020-05-18 13:40:07] [INFO ] Flatten gal took : 189 ms
[2020-05-18 13:40:07] [INFO ] Input system was already deterministic with 1564 transitions.
[2020-05-18 13:40:07] [INFO ] Transformed 618 places.
[2020-05-18 13:40:07] [INFO ] Transformed 1564 transitions.
Running greatSPN : CommandLine [args=[/home/mcc/BenchKit//greatspn//bin/pinvar, /home/mcc/execution/gspn], workingDir=/home/mcc/execution]
P-invariant computation with GreatSPN timed out. Skipping.
Running greatSPN : CommandLine [args=[/home/mcc/BenchKit//greatspn//bin/RGMEDD2, /home/mcc/execution/gspn, -META, -varord-only], workingDir=/home/mcc/execution]
Run of greatSPN captured in /home/mcc/execution/outPut.txt
Using order generated by GreatSPN with heuristic : META
[2020-05-18 13:40:37] [INFO ] Time to serialize gal into /home/mcc/execution/CTLFireability.pnml.gal : 8 ms
[2020-05-18 13:40:37] [INFO ] Time to serialize properties into /home/mcc/execution/CTLFireability.ctl : 3 ms
Invoking ITS tools like this :CommandLine [args=[/home/mcc/BenchKit/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202005100927/bin/its-ctl-linux64, --gc-threshold, 2000000, --quiet, -i, /home/mcc/execution/CTLFireability.pnml.gal, -t, CGAL, -ctl, /home/mcc/execution/CTLFireability.ctl, --load-order, /home/mcc/execution/model.ord, --gen-order, FOLLOW], workingDir=/home/mcc/execution]

its-ctl command run as :

/home/mcc/BenchKit/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202005100927/bin/its-ctl-linux64 --gc-threshold 2000000 --quiet -i /home/mcc/execution/CTLFireability.pnml.gal -t CGAL -ctl /home/mcc/execution/CTLFireability.ctl --load-order /home/mcc/execution/model.ord --gen-order FOLLOW
Successfully loaded order from file /home/mcc/execution/model.ord
No direction supplied, using forward translation only.
Parsed 12 CTL formulae.

BK_TIME_CONFINEMENT_REACHED

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

+ export BINDIR=/home/mcc/BenchKit/
+ BINDIR=/home/mcc/BenchKit/
++ pwd
+ export MODEL=/home/mcc/execution
+ MODEL=/home/mcc/execution
+ [[ CTLFireability = StateSpace ]]
+ /home/mcc/BenchKit//runeclipse.sh /home/mcc/execution CTLFireability -its -ltsminpath /home/mcc/BenchKit//lts_install_dir/ -greatspnpath /home/mcc/BenchKit//greatspn/ -order META -manyOrder -smt -timeout 3600
+ 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 CTLFireability -z3path /home/mcc/BenchKit//z3/bin/z3 -yices2path /home/mcc/BenchKit//yices/bin/yices -its -ltsminpath /home/mcc/BenchKit//lts_install_dir/ -greatspnpath /home/mcc/BenchKit//greatspn/ -order META -manyOrder -smt -timeout 3600 -vmargs -Dosgi.locking=none -Declipse.stateSaveDelayInterval=-1 -Dosgi.configuration.area=/tmp/.eclipse -Xss128m -Xms40m -Xmx16000m -Dfile.encoding=UTF-8 -Dosgi.requiredJavaVersion=1.6

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="PolyORBLF-COL-S04J06T06"
export BK_EXAMINATION="CTLFireability"
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 2-4028"
echo " Executing tool itstools"
echo " Input is PolyORBLF-COL-S04J06T06, examination is CTLFireability"
echo " Time confinement is $BK_TIME_CONFINEMENT seconds"
echo " Memory confinement is 16384 MBytes"
echo " Number of cores is 4"
echo " Run identifier is r126-tajo-158961390200340"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/PolyORBLF-COL-S04J06T06.tgz
mv PolyORBLF-COL-S04J06T06 execution
cd execution
if [ "CTLFireability" = "ReachabilityDeadlock" ] || [ "CTLFireability" = "UpperBounds" ] || [ "CTLFireability" = "QuasiLiveness" ] || [ "CTLFireability" = "StableMarking" ] || [ "CTLFireability" = "Liveness" ] || [ "CTLFireability" = "OneSafe" ] || [ "CTLFireability" = "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 [ "CTLFireability" = "UpperBounds" ] ; then
echo "The expected result is a vector of positive values"
echo NUM_VECTOR
elif [ "CTLFireability" != "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 "CTLFireability.txt" ] ; then
echo "here is the order used to build the result vector(from text file)"
for x in $(grep Property CTLFireability.txt | cut -d ' ' -f 2 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ -f "CTLFireability.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 '' CTLFireability.xml | cut -d '>' -f 2 | cut -d '<' -f 1 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ "CTLFireability" = "ReachabilityDeadlock" ] || [ "CTLFireability" = "QuasiLiveness" ] || [ "CTLFireability" = "StableMarking" ] || [ "CTLFireability" = "Liveness" ] || [ "CTLFireability" = "OneSafe" ] ; then
echo "FORMULA_NAME CTLFireability"
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 ;