Execution Chart

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

Trace from the execution

Formatting '/local/x2003239/mcc2020-input.r111-csrt-158961258200786.qcow2', fmt=qcow2 size=4294967296 backing_file=/local/x2003239/mcc2020-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 2-4028
Executing tool itstools
Input is PhaseVariation-PT-D10CS010, examination is LTLFireability
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r111-csrt-158961258200786
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 3.1M
-rw-r--r-- 1 mcc users 4.1K Apr 12 00:55 CTLCardinality.txt
-rw-r--r-- 1 mcc users 19K Apr 12 00:55 CTLCardinality.xml
-rw-r--r-- 1 mcc users 4.1K Apr 10 23:59 CTLFireability.txt
-rw-r--r-- 1 mcc users 19K Apr 10 23:59 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.0K Mar 24 05:37 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 5.6K Mar 24 05:37 GenericPropertiesVerdict.xml
-rw-r--r-- 1 mcc users 3.9K Apr 14 12:44 LTLCardinality.txt
-rw-r--r-- 1 mcc users 23K Apr 28 14:01 LTLCardinality.xml
-rw-r--r-- 1 mcc users 3.2K Apr 14 12:44 LTLFireability.txt
-rw-r--r-- 1 mcc users 18K Apr 28 14:01 LTLFireability.xml
-rw-r--r-- 1 mcc users 4.4K Apr 10 08:28 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 20K Apr 10 08:28 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 4.8K Apr 9 13:06 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 20K Apr 9 13:06 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.9K Apr 10 22:21 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.9K Apr 10 22:21 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 Mar 24 05:37 equiv_col
-rw-r--r-- 1 mcc users 9 Mar 24 05:37 instance
-rw-r--r-- 1 mcc users 6 Mar 24 05:37 iscolored
-rw-r--r-- 1 mcc users 2.9M 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 PhaseVariation-PT-D10CS010-00
FORMULA_NAME PhaseVariation-PT-D10CS010-01
FORMULA_NAME PhaseVariation-PT-D10CS010-02
FORMULA_NAME PhaseVariation-PT-D10CS010-03
FORMULA_NAME PhaseVariation-PT-D10CS010-04
FORMULA_NAME PhaseVariation-PT-D10CS010-05
FORMULA_NAME PhaseVariation-PT-D10CS010-06
FORMULA_NAME PhaseVariation-PT-D10CS010-07
FORMULA_NAME PhaseVariation-PT-D10CS010-08
FORMULA_NAME PhaseVariation-PT-D10CS010-09
FORMULA_NAME PhaseVariation-PT-D10CS010-10
FORMULA_NAME PhaseVariation-PT-D10CS010-11
FORMULA_NAME PhaseVariation-PT-D10CS010-12
FORMULA_NAME PhaseVariation-PT-D10CS010-13
FORMULA_NAME PhaseVariation-PT-D10CS010-14
FORMULA_NAME PhaseVariation-PT-D10CS010-15

=== Now, execution of the tool begins

BK_START 1590031265860

[2020-05-21 03:21:08] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, LTLFireability, -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]
[2020-05-21 03:21:08] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2020-05-21 03:21:09] [INFO ] Load time of PNML (sax parser for PT used): 339 ms
[2020-05-21 03:21:09] [INFO ] Transformed 302 places.
[2020-05-21 03:21:09] [INFO ] Transformed 3137 transitions.
[2020-05-21 03:21:09] [INFO ] Parsed PT model containing 302 places and 3137 transitions in 486 ms.
Deduced a syphon composed of 2 places in 6 ms
Reduce places removed 2 places and 52 transitions.
Parsed 16 properties from file /home/mcc/execution/LTLFireability.xml in 43 ms.
Working with output stream class java.io.PrintStream
Incomplete random walk after 100000 steps, including 1662 resets, run finished after 1697 ms. (steps per millisecond=58 ) properties seen :[1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 0, 0, 0, 1, 1, 0, 1, 1, 1, 1, 1, 1, 1, 1, 1, 0, 1, 1, 1, 0, 1, 1, 1]
[2020-05-21 03:21:11] [INFO ] Flow matrix only has 199 transitions (discarded 2886 similar events)
// Phase 1: matrix 199 rows 300 cols
[2020-05-21 03:21:11] [INFO ] Computed 101 place invariants in 30 ms
[2020-05-21 03:21:11] [INFO ] [Real]Absence check using 101 positive place invariants in 66 ms returned unsat
[2020-05-21 03:21:11] [INFO ] [Real]Absence check using 101 positive place invariants in 38 ms returned unsat
[2020-05-21 03:21:12] [INFO ] [Real]Absence check using 101 positive place invariants in 239 ms returned unsat
[2020-05-21 03:21:12] [INFO ] [Real]Absence check using 101 positive place invariants in 49 ms returned unsat
[2020-05-21 03:21:12] [INFO ] [Real]Absence check using 101 positive place invariants in 37 ms returned unsat
[2020-05-21 03:21:12] [INFO ] [Real]Absence check using 101 positive place invariants in 37 ms returned unsat
Successfully simplified 6 atomic propositions for a total of 6 simplifications.
[2020-05-21 03:21:13] [INFO ] Found a total of 1 fixed domain variables (out of 300 variables) in GAL type petri
[2020-05-21 03:21:13] [INFO ] Found a total of 1 constant array cells/variables (out of 300 variables) in type petri
[2020-05-21 03:21:13] [INFO ] cell___5_5__A_,
[2020-05-21 03:21:13] [INFO ] Removed 1 constant variables :cell___5_5__A_=1
[2020-05-21 03:21:13] [INFO ] Simplified 16 expressions due to constant valuations.
[2020-05-21 03:21:13] [INFO ] Initial state reduction rules for CTL removed 4 formulas.
[2020-05-21 03:21:13] [INFO ] Flatten gal took : 540 ms
FORMULA PhaseVariation-PT-D10CS010-13 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA PhaseVariation-PT-D10CS010-12 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA PhaseVariation-PT-D10CS010-07 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA PhaseVariation-PT-D10CS010-01 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
[2020-05-21 03:21:13] [INFO ] Flatten gal took : 196 ms
Using solver Z3 to compute partial order matrices.
Built C files in :
/home/mcc/execution
[2020-05-21 03:21:14] [INFO ] Applying decomposition
[2020-05-21 03:21:14] [INFO ] Flatten gal took : 187 ms
[2020-05-21 03:21:14] [INFO ] Input system was already deterministic with 3085 transitions.
[2020-05-21 03:21:14] [INFO ] Too many transitions (3085) to apply POR reductions. Disabling POR matrices.
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/graph18115738198000101173.txt, -o, /tmp/graph18115738198000101173.bin, -w, /tmp/graph18115738198000101173.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/graph18115738198000101173.bin, -l, -1, -v, -w, /tmp/graph18115738198000101173.weights, -q, 0, -e, 0.001], workingDir=null]
[2020-05-21 03:21:15] [INFO ] Decomposing Gal with order
[2020-05-21 03:21:15] [INFO ] Rewriting arrays to variables to allow decomposition.
[2020-05-21 03:21:15] [INFO ] Built C files in 1171ms conformant to PINS in folder :/home/mcc/execution
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]
[2020-05-21 03:21:15] [INFO ] Removed a total of 7479 redundant transitions.
[2020-05-21 03:21:16] [INFO ] Flatten gal took : 551 ms
[2020-05-21 03:21:16] [INFO ] Fuse similar labels procedure discarded/fused a total of 1904 labels/synchronizations in 283 ms.
[2020-05-21 03:21:16] [INFO ] Time to serialize gal into /home/mcc/execution/LTLFireability.pnml.gal : 24 ms
[2020-05-21 03:21:16] [INFO ] Time to serialize properties into /home/mcc/execution/LTLFireability.ltl : 2 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-ltl-linux64, --gc-threshold, 2000000, -i, /home/mcc/execution/LTLFireability.pnml.gal, -t, CGAL, -LTL, /home/mcc/execution/LTLFireability.ltl, -c, -stutter-deadlock], workingDir=/home/mcc/execution]

its-ltl command run as :

/home/mcc/BenchKit/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202005100927/bin/its-ltl-linux64 --gc-threshold 2000000 -i /home/mcc/execution/LTLFireability.pnml.gal -t CGAL -LTL /home/mcc/execution/LTLFireability.ltl -c -stutter-deadlock
Read 12 LTL properties
Checking formula 0 : !((!(F((((X(X("(((i10.u59.cell___4_9__B_>=1)&&(i10.u65.pool__5_9_>=1))&&(i4.u90.run_dot>=1))")))&&("(i2.i0.u9.cell___3_4__A_>=1)"))&&("(i3.i0.u11.pool__4_3_>=1)"))&&("(i4.u90.run_dot>=1)")))))
Formula 0 simplified : F("(i2.i0.u9.cell___3_4__A_>=1)" & "(i3.i0.u11.pool__4_3_>=1)" & "(i4.u90.run_dot>=1)" & XX"(((i10.u59.cell___4_9__B_>=1)&&(i10.u65.pool__5_9_>=1))&&(i4.u90.run_dot>=1))")
built 26 ordering constraints for composite.
built 20 ordering constraints for composite.
built 12 ordering constraints for composite.
built 15 ordering constraints for composite.
built 22 ordering constraints for composite.
built 12 ordering constraints for composite.
built 18 ordering constraints for composite.
built 24 ordering constraints for composite.
built 24 ordering constraints for composite.
built 9 ordering constraints for composite.
built 26 ordering constraints for composite.
built 18 ordering constraints for composite.
built 18 ordering constraints for composite.
built 35 ordering constraints for composite.
built 21 ordering constraints for composite.
built 12 ordering constraints for composite.
built 24 ordering constraints for composite.
built 22 ordering constraints for composite.
built 18 ordering constraints for composite.
built 12 ordering constraints for composite.
built 18 ordering constraints for composite.
built 24 ordering constraints for composite.
Compilation finished in 44892 ms.
Running link step : CommandLine [args=[gcc, -shared, -o, gal.so, model.o], workingDir=/home/mcc/execution]
Link finished in 105 ms.
Running LTSmin : CommandLine [args=[/home/mcc/BenchKit//lts_install_dir//bin/pins2lts-mc, ./gal.so, --threads=8, --when, --ltl, !( <>(( ( ( X(X((LTLAP0==true))) ) && ( (LTLAP1==true) ) ) && ( (LTLAP2==true) ) ) && ( (LTLAP3==true) ))) , --buchi-type=spotba], workingDir=/home/mcc/execution]
/home/mcc/BenchKit//lts_install_dir//bin/pins2lts-mc: error while loading shared libraries: libltdl.so.7: cannot open shared object file: No such file or directory
WARNING : LTS min runner thread failed on error :java.lang.RuntimeException: Unexpected exception when executing ltsmin :CommandLine [args=[/home/mcc/BenchKit//lts_install_dir//bin/pins2lts-mc, ./gal.so, --threads=8, --when, --ltl, !( <>(( ( ( X(X((LTLAP0==true))) ) && ( (LTLAP1==true) ) ) && ( (LTLAP2==true) ) ) && ( (LTLAP3==true) ))) , --buchi-type=spotba], workingDir=/home/mcc/execution]
127
java.lang.RuntimeException: Unexpected exception when executing ltsmin :CommandLine [args=[/home/mcc/BenchKit//lts_install_dir//bin/pins2lts-mc, ./gal.so, --threads=8, --when, --ltl, !( <>(( ( ( X(X((LTLAP0==true))) ) && ( (LTLAP1==true) ) ) && ( (LTLAP2==true) ) ) && ( (LTLAP3==true) ))) , --buchi-type=spotba], workingDir=/home/mcc/execution]
127
at fr.lip6.move.gal.application.LTSminRunner.checkProperty(LTSminRunner.java:170)
at fr.lip6.move.gal.application.LTSminRunner.access$10(LTSminRunner.java:124)
at fr.lip6.move.gal.application.LTSminRunner$1.run(LTSminRunner.java:93)
at java.base/java.lang.Thread.run(Thread.java:834)
Detected timeout of ITS tools.
[2020-05-21 03:41:20] [INFO ] Flatten gal took : 1151 ms
[2020-05-21 03:41:20] [INFO ] Time to serialize gal into /home/mcc/execution/LTLFireability.pnml.gal : 149 ms
[2020-05-21 03:41:20] [INFO ] Time to serialize properties into /home/mcc/execution/LTLFireability.ltl : 8 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-ltl-linux64, --gc-threshold, 2000000, -i, /home/mcc/execution/LTLFireability.pnml.gal, -t, CGAL, -LTL, /home/mcc/execution/LTLFireability.ltl, -c, -stutter-deadlock, --gen-order, FOLLOW], workingDir=/home/mcc/execution]

its-ltl command run as :

/home/mcc/BenchKit/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202005100927/bin/its-ltl-linux64 --gc-threshold 2000000 -i /home/mcc/execution/LTLFireability.pnml.gal -t CGAL -LTL /home/mcc/execution/LTLFireability.ltl -c -stutter-deadlock --gen-order FOLLOW
Read 12 LTL properties
Checking formula 0 : !((!(F((((X(X("(((cell___4_9__B_>=1)&&(pool__5_9_>=1))&&(run_dot>=1))")))&&("(cell___3_4__A_>=1)"))&&("(pool__4_3_>=1)"))&&("(run_dot>=1)")))))
Formula 0 simplified : F("(cell___3_4__A_>=1)" & "(pool__4_3_>=1)" & "(run_dot>=1)" & XX"(((cell___4_9__B_>=1)&&(pool__5_9_>=1))&&(run_dot>=1))")
Detected timeout of ITS tools.
[2020-05-21 04:01:23] [INFO ] Flatten gal took : 1444 ms
[2020-05-21 04:01:25] [INFO ] Input system was already deterministic with 3085 transitions.
[2020-05-21 04:01:25] [INFO ] Transformed 299 places.
[2020-05-21 04:01:25] [INFO ] Transformed 3085 transitions.
Running greatSPN : CommandLine [args=[/home/mcc/BenchKit//greatspn//bin/pinvar, /home/mcc/execution/gspn], workingDir=/home/mcc/execution]
Run of greatSPN captured in /home/mcc/execution/outPut.txt
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
[2020-05-21 04:01:26] [INFO ] Time to serialize gal into /home/mcc/execution/LTLFireability.pnml.gal : 18 ms
[2020-05-21 04:01:26] [INFO ] Time to serialize properties into /home/mcc/execution/LTLFireability.ltl : 1 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-ltl-linux64, --gc-threshold, 2000000, -i, /home/mcc/execution/LTLFireability.pnml.gal, -t, CGAL, -LTL, /home/mcc/execution/LTLFireability.ltl, -c, -stutter-deadlock, --load-order, /home/mcc/execution/model.ord, --gen-order, FOLLOW], workingDir=/home/mcc/execution]

its-ltl command run as :

/home/mcc/BenchKit/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202005100927/bin/its-ltl-linux64 --gc-threshold 2000000 -i /home/mcc/execution/LTLFireability.pnml.gal -t CGAL -LTL /home/mcc/execution/LTLFireability.ltl -c -stutter-deadlock --load-order /home/mcc/execution/model.ord --gen-order FOLLOW
Read 12 LTL properties
Successfully loaded order from file /home/mcc/execution/model.ord
Checking formula 0 : !((!(F((((X(X("(((cell___4_9__B_>=1)&&(pool__5_9_>=1))&&(run_dot>=1))")))&&("(cell___3_4__A_>=1)"))&&("(pool__4_3_>=1)"))&&("(run_dot>=1)")))))
Formula 0 simplified : F("(cell___3_4__A_>=1)" & "(pool__4_3_>=1)" & "(run_dot>=1)" & XX"(((cell___4_9__B_>=1)&&(pool__5_9_>=1))&&(run_dot>=1))")

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
+ [[ LTLFireability = StateSpace ]]
+ /home/mcc/BenchKit//runeclipse.sh /home/mcc/execution LTLFireability -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 LTLFireability -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="PhaseVariation-PT-D10CS010"
export BK_EXAMINATION="LTLFireability"
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 PhaseVariation-PT-D10CS010, examination is LTLFireability"
echo " Time confinement is $BK_TIME_CONFINEMENT seconds"
echo " Memory confinement is 16384 MBytes"
echo " Number of cores is 4"
echo " Run identifier is r111-csrt-158961258200786"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/PhaseVariation-PT-D10CS010.tgz
mv PhaseVariation-PT-D10CS010 execution
cd execution
if [ "LTLFireability" = "ReachabilityDeadlock" ] || [ "LTLFireability" = "UpperBounds" ] || [ "LTLFireability" = "QuasiLiveness" ] || [ "LTLFireability" = "StableMarking" ] || [ "LTLFireability" = "Liveness" ] || [ "LTLFireability" = "OneSafe" ] || [ "LTLFireability" = "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 [ "LTLFireability" = "UpperBounds" ] ; then
echo "The expected result is a vector of positive values"
echo NUM_VECTOR
elif [ "LTLFireability" != "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 "LTLFireability.txt" ] ; then
echo "here is the order used to build the result vector(from text file)"
for x in $(grep Property LTLFireability.txt | cut -d ' ' -f 2 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ -f "LTLFireability.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 '' LTLFireability.xml | cut -d '>' -f 2 | cut -d '<' -f 1 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ "LTLFireability" = "ReachabilityDeadlock" ] || [ "LTLFireability" = "QuasiLiveness" ] || [ "LTLFireability" = "StableMarking" ] || [ "LTLFireability" = "Liveness" ] || [ "LTLFireability" = "OneSafe" ] ; then
echo "FORMULA_NAME LTLFireability"
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 ;