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.r491-tall-167912710500456.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 smartxred
Input is Szymanski-PT-b02, examination is StateSpace
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r491-tall-167912710500456
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 4.1M
-rw-r--r-- 1 mcc users 7.6K Feb 26 16:50 CTLCardinality.txt
-rw-r--r-- 1 mcc users 83K Feb 26 16:50 CTLCardinality.xml
-rw-r--r-- 1 mcc users 5.3K Feb 26 16:49 CTLFireability.txt
-rw-r--r-- 1 mcc users 46K Feb 26 16:49 CTLFireability.xml
-rw-r--r-- 1 mcc users 3.6K Feb 25 17:19 LTLCardinality.txt
-rw-r--r-- 1 mcc users 25K Feb 25 17:19 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.3K Feb 25 17:19 LTLFireability.txt
-rw-r--r-- 1 mcc users 17K Feb 25 17:19 LTLFireability.xml
-rw-r--r-- 1 mcc users 14K Feb 26 16:53 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 153K Feb 26 16:53 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 7.0K Feb 26 16:51 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 57K Feb 26 16:51 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.6K Feb 25 17:19 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.6K Feb 25 17:19 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 Mar 5 18:23 equiv_col
-rw-r--r-- 1 mcc users 4 Mar 5 18:23 instance
-rw-r--r-- 1 mcc users 6 Mar 5 18:23 iscolored
-rw-r--r-- 1 mcc users 3.7M Mar 5 18:23 model.pnml

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

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

no data necessary for post analysis


=== Now, execution of the tool begins

BK_START 1679254831360

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=smartxred
BK_EXAMINATION=StateSpace
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=Szymanski-PT-b02
Applying reductions before tool smart
Invoking reducer
Running Version 202303021504
[2023-03-19 19:40:33] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, StateSpace, -timeout, 360, -rebuildPNML]
[2023-03-19 19:40:33] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2023-03-19 19:40:33] [INFO ] Load time of PNML (sax parser for PT used): 344 ms
[2023-03-19 19:40:33] [INFO ] Transformed 568 places.
[2023-03-19 19:40:33] [INFO ] Transformed 8320 transitions.
[2023-03-19 19:40:33] [INFO ] Parsed PT model containing 568 places and 8320 transitions and 33408 arcs in 481 ms.
[2023-03-19 19:40:33] [INFO ] Export to PNML in file /home/mcc/execution/model.sr.pnml of net with 568 places, 8320 transitions and 33408 arcs took 66 ms.
Total runtime 583 ms.
There are residual formulas that ITS could not solve within timeout
======================================================
========== this is Smart for the MCC'2018 ============
======================================================
Running Szymanski (PT), instance b02
Examination StateSpace
Parser /home/mcc/BenchKit/bin//../reducer/bin//../../smart/bin//parser/StateSpaceParse.jar
Model checker /home/mcc/BenchKit/bin//../reducer/bin//../../smart/bin//main//smart

Filename model.pnml
Petri model created: 568 places, 8320 transitions, 33408 arcs.
AT ITER 0 NEW BEST:: SOT 1142264 SOS 996354 HAS SOPS 994637 HAS SOUS 218794 HAS SOUPS 217896 WITH SCORE 218892.354
AT ITER 26 NEW BEST:: SOT 1134513 SOS 996513 HAS SOPS 990721 HAS SOUS 202492 HAS SOUPS 201380 WITH SCORE 202376.513
AT ITER 341 NEW BEST:: SOT 1151755 SOS 1003506 HAS SOPS 980241 HAS SOUS 218674 HAS SOUPS 200986 WITH SCORE 201989.506
AT ITER 406 NEW BEST:: SOT 1148531 SOS 1000282 HAS SOPS 977058 HAS SOUS 215707 HAS SOUPS 198060 WITH SCORE 199060.282
AT ITER 492 NEW BEST:: SOT 1148531 SOS 997978 HAS SOPS 974754 HAS SOUS 215706 HAS SOUPS 198059 WITH SCORE 199056.978
AT ITER 618 NEW BEST:: SOT 1148531 SOS 990426 HAS SOPS 967202 HAS SOUS 215704 HAS SOUPS 198057 WITH SCORE 199047.426
AT ITER 677 NEW BEST:: SOT 1121186 SOS 963173 HAS SOPS 945811 HAS SOUS 188405 HAS SOUPS 176614 WITH SCORE 177577.173
AT ITER 735 NEW BEST:: SOT 1122694 SOS 972253 HAS SOPS 951119 HAS SOUS 187645 HAS SOUPS 175854 WITH SCORE 176826.253
AT ITER 736 NEW BEST:: SOT 1118734 SOS 968293 HAS SOPS 947159 HAS SOUS 185079 HAS SOUPS 173288 WITH SCORE 174256.293
AT ITER 929 NEW BEST:: SOT 1109877 SOS 959504 HAS SOPS 942239 HAS SOUS 172765 HAS SOUPS 164874 WITH SCORE 165833.504
AT ITER 980 NEW BEST:: SOT 1109877 SOS 959504 HAS SOPS 942239 HAS SOUS 172764 HAS SOUPS 164873 WITH SCORE 165832.504
AT ITER 1005 NEW BEST:: SOT 1109877 SOS 957200 HAS SOPS 939935 HAS SOUS 172756 HAS SOUPS 164865 WITH SCORE 165822.2
AT ITER 1058 NEW BEST:: SOT 1108083 SOS 955406 HAS SOPS 938141 HAS SOUS 170962 HAS SOUPS 163071 WITH SCORE 164026.406
AT ITER 1161 NEW BEST:: SOT 1108071 SOS 955394 HAS SOPS 938129 HAS SOUS 170938 HAS SOUPS 163047 WITH SCORE 164002.394
AT ITER 1193 NEW BEST:: SOT 1091559 SOS 938864 HAS SOPS 921568 HAS SOUS 147873 HAS SOUPS 140000 WITH SCORE 140938.864
AT ITER 1382 NEW BEST:: SOT 1091559 SOS 936432 HAS SOPS 919136 HAS SOUS 147873 HAS SOUPS 140000 WITH SCORE 140936.432
AT ITER 1595 NEW BEST:: SOT 1091559 SOS 936432 HAS SOPS 919136 HAS SOUS 147872 HAS SOUPS 139999 WITH SCORE 140935.432
AT ITER 1647 NEW BEST:: SOT 1091559 SOS 936368 HAS SOPS 919072 HAS SOUS 147872 HAS SOUPS 139999 WITH SCORE 140935.368
AT ITER 1660 NEW BEST:: SOT 1093269 SOS 937975 HAS SOPS 920747 HAS SOUS 147516 HAS SOUPS 139676 WITH SCORE 140613.975
AT ITER 1668 NEW BEST:: SOT 1092526 SOS 937232 HAS SOPS 920007 HAS SOUS 146683 HAS SOUPS 138843 WITH SCORE 139780.232
AT ITER 1724 NEW BEST:: SOT 1089904 SOS 934610 HAS SOPS 917385 HAS SOUS 146113 HAS SOUPS 138273 WITH SCORE 139207.61
AT ITER 1761 NEW BEST:: SOT 1089747 SOS 934453 HAS SOPS 917225 HAS SOUS 145796 HAS SOUPS 137956 WITH SCORE 138890.453
AT ITER 1774 NEW BEST:: SOT 1089747 SOS 932085 HAS SOPS 914857 HAS SOUS 145790 HAS SOUPS 137950 WITH SCORE 138882.085
AT ITER 1829 NEW BEST:: SOT 1089747 SOS 932085 HAS SOPS 914857 HAS SOUS 145789 HAS SOUPS 137949 WITH SCORE 138881.085
AT ITER 2020 NEW BEST:: SOT 1089747 SOS 931061 HAS SOPS 913833 HAS SOUS 145789 HAS SOUPS 137949 WITH SCORE 138880.061
AT ITER 2295 NEW BEST:: SOT 1089745 SOS 931059 HAS SOPS 913831 HAS SOUS 145774 HAS SOUPS 137934 WITH SCORE 138865.059
AT ITER 2695 NEW BEST:: SOT 1096501 SOS 937667 HAS SOPS 920545 HAS SOUS 145605 HAS SOUPS 137873 WITH SCORE 138810.667
AT ITER 3025 NEW BEST:: SOT 1096501 SOS 935619 HAS SOPS 918497 HAS SOUS 145587 HAS SOUPS 137855 WITH SCORE 138790.619
AT ITER 3179 NEW BEST:: SOT 1096447 SOS 935565 HAS SOPS 918443 HAS SOUS 145453 HAS SOUPS 137721 WITH SCORE 138656.565
AT ITER 3360 NEW BEST:: SOT 1090816 SOS 929934 HAS SOPS 912812 HAS SOUS 142162 HAS SOUPS 134430 WITH SCORE 135359.934
AT ITER 3589 NEW BEST:: SOT 1090688 SOS 929715 HAS SOPS 912556 HAS SOUS 141996 HAS SOUPS 134264 WITH SCORE 135193.715
AT ITER 3626 NEW BEST:: SOT 1084241 SOS 923268 HAS SOPS 906123 HAS SOUS 138251 HAS SOUPS 130519 WITH SCORE 131442.268
AT ITER 3849 NEW BEST:: SOT 1084238 SOS 923265 HAS SOPS 906117 HAS SOUS 138242 HAS SOUPS 130510 WITH SCORE 131433.265
AT ITER 3850 NEW BEST:: SOT 1084238 SOS 922817 HAS SOPS 905669 HAS SOUS 138242 HAS SOUPS 130510 WITH SCORE 131432.817
AT ITER 3944 NEW BEST:: SOT 1082547 SOS 921126 HAS SOPS 903978 HAS SOUS 136551 HAS SOUPS 128819 WITH SCORE 129740.126
AT ITER 4099 NEW BEST:: SOT 1082547 SOS 918694 HAS SOPS 901546 HAS SOUS 136539 HAS SOUPS 128807 WITH SCORE 129725.694
AT ITER 4223 NEW BEST:: SOT 1082547 SOS 915430 HAS SOPS 898282 HAS SOUS 136517 HAS SOUPS 128785 WITH SCORE 129700.43
AT ITER 4303 NEW BEST:: SOT 1082524 SOS 915407 HAS SOPS 898236 HAS SOUS 136448 HAS SOUPS 128716 WITH SCORE 129631.407
AT ITER 4512 NEW BEST:: SOT 1082522 SOS 915405 HAS SOPS 898234 HAS SOUS 136438 HAS SOUPS 128706 WITH SCORE 129621.405
AT ITER 4548 NEW BEST:: SOT 1082522 SOS 912013 HAS SOPS 894842 HAS SOUS 136441 HAS SOUPS 128709 WITH SCORE 129621.013
AT ITER 4583 NEW BEST:: SOT 1082911 SOS 912365 HAS SOPS 895217 HAS SOUS 135957 HAS SOUPS 128239 WITH SCORE 129151.365
AT ITER 4673 NEW BEST:: SOT 1082743 SOS 912197 HAS SOPS 895049 HAS SOUS 135797 HAS SOUPS 128079 WITH SCORE 128991.197
AT ITER 4730 NEW BEST:: SOT 1082741 SOS 912195 HAS SOPS 895047 HAS SOUS 135797 HAS SOUPS 128079 WITH SCORE 128991.195
AT ITER 4739 NEW BEST:: SOT 1082716 SOS 912170 HAS SOPS 894978 HAS SOUS 135684 HAS SOUPS 127966 WITH SCORE 128878.17
AT ITER 4812 NEW BEST:: SOT 1081306 SOS 910760 HAS SOPS 893568 HAS SOUS 135204 HAS SOUPS 127486 WITH SCORE 128396.76
AT ITER 5274 NEW BEST:: SOT 1074095 SOS 904924 HAS SOPS 893740 HAS SOUS 123910 HAS SOUPS 120782 WITH SCORE 121686.924
AT ITER 5317 NEW BEST:: SOT 1072911 SOS 903740 HAS SOPS 892556 HAS SOUS 123394 HAS SOUPS 120266 WITH SCORE 121169.74
AT ITER 5344 NEW BEST:: SOT 1072428 SOS 903257 HAS SOPS 892073 HAS SOUS 123289 HAS SOUPS 120161 WITH SCORE 121064.257
AT ITER 5348 NEW BEST:: SOT 1067757 SOS 900588 HAS SOPS 889962 HAS SOUS 119196 HAS SOUPS 116068 WITH SCORE 116968.588
AT ITER 5570 NEW BEST:: SOT 1066719 SOS 899550 HAS SOPS 888924 HAS SOUS 118248 HAS SOUPS 115120 WITH SCORE 116019.55
AT ITER 5575 NEW BEST:: SOT 1066709 SOS 899540 HAS SOPS 888914 HAS SOUS 118232 HAS SOUPS 115104 WITH SCORE 116003.54
AT ITER 5684 NEW BEST:: SOT 1062848 SOS 895679 HAS SOPS 885053 HAS SOUS 115324 HAS SOUPS 112196 WITH SCORE 113091.679
AT ITER 5771 NEW BEST:: SOT 1064048 SOS 896879 HAS SOPS 886253 HAS SOUS 115286 HAS SOUPS 112158 WITH SCORE 113054.879
AT ITER 5827 NEW BEST:: SOT 1064648 SOS 897446 HAS SOPS 886853 HAS SOUS 115013 HAS SOUPS 111899 WITH SCORE 112796.446
AT ITER 6090 NEW BEST:: SOT 1062692 SOS 895490 HAS SOPS 884897 HAS SOUS 113933 HAS SOUPS 110819 WITH SCORE 111714.49
AT ITER 6118 NEW BEST:: SOT 1062692 SOS 893954 HAS SOPS 883361 HAS SOUS 113929 HAS SOUPS 110815 WITH SCORE 111708.954
AT ITER 6192 NEW BEST:: SOT 1062692 SOS 893570 HAS SOPS 882977 HAS SOUS 113920 HAS SOUPS 110806 WITH SCORE 111699.57
AT ITER 6240 NEW BEST:: SOT 1062688 SOS 893566 HAS SOPS 882973 HAS SOUS 113912 HAS SOUPS 110798 WITH SCORE 111691.566
AT ITER 6283 NEW BEST:: SOT 1062675 SOS 894035 HAS SOPS 883201 HAS SOUS 113903 HAS SOUPS 110787 WITH SCORE 111681.035
AT ITER 6494 NEW BEST:: SOT 1062453 SOS 893813 HAS SOPS 882979 HAS SOUS 113819 HAS SOUPS 110703 WITH SCORE 111596.813
AT ITER 6629 NEW BEST:: SOT 1062439 SOS 893799 HAS SOPS 882965 HAS SOUS 113801 HAS SOUPS 110685 WITH SCORE 111578.799
AT ITER 6767 NEW BEST:: SOT 1062627 SOS 894955 HAS SOPS 883639 HAS SOUS 113721 HAS SOUPS 110605 WITH SCORE 111499.955
AT ITER 6776 NEW BEST:: SOT 1062627 SOS 893355 HAS SOPS 882039 HAS SOUS 113721 HAS SOUPS 110605 WITH SCORE 111498.355
AT ITER 6805 NEW BEST:: SOT 1062550 SOS 893278 HAS SOPS 881962 HAS SOUS 113644 HAS SOUPS 110528 WITH SCORE 111421.278
AT ITER 6815 NEW BEST:: SOT 1062518 SOS 893246 HAS SOPS 881930 HAS SOUS 113580 HAS SOUPS 110464 WITH SCORE 111357.246
AT ITER 6863 NEW BEST:: SOT 1062366 SOS 893094 HAS SOPS 881778 HAS SOUS 113272 HAS SOUPS 110156 WITH SCORE 111049.094
AT ITER 6902 NEW BEST:: SOT 1062366 SOS 892902 HAS SOPS 881586 HAS SOUS 113266 HAS SOUPS 110150 WITH SCORE 111042.902
AT ITER 7774 NEW BEST:: SOT 1062356 SOS 892892 HAS SOPS 881576 HAS SOUS 113242 HAS SOUPS 110126 WITH SCORE 111018.892
AT ITER 8125 NEW BEST:: SOT 1052364 SOS 891871 HAS SOPS 883562 HAS SOUS 104041 HAS SOUPS 103181 WITH SCORE 104072.871
AT ITER 8226 NEW BEST:: SOT 1051277 SOS 890761 HAS SOPS 887680 HAS SOUS 99304 HAS SOUPS 98529 WITH SCORE 99419.761
AT ITER 8371 NEW BEST:: SOT 1051084 SOS 890568 HAS SOPS 887487 HAS SOUS 98897 HAS SOUPS 98122 WITH SCORE 99012.568
AT ITER 8372 NEW BEST:: SOT 1050523 SOS 890007 HAS SOPS 886926 HAS SOUS 98882 HAS SOUPS 98107 WITH SCORE 98997.007
AT ITER 8782 NEW BEST:: SOT 1050523 SOS 890007 HAS SOPS 886926 HAS SOUS 98878 HAS SOUPS 98103 WITH SCORE 98993.007
AT ITER 9184 NEW BEST:: SOT 1050467 SOS 889951 HAS SOPS 886870 HAS SOUS 98795 HAS SOUPS 98020 WITH SCORE 98909.951
AT ITER 9256 NEW BEST:: SOT 1049903 SOS 889387 HAS SOPS 886306 HAS SOUS 98582 HAS SOUPS 97807 WITH SCORE 98696.387
AT ITER 9345 NEW BEST:: SOT 1048025 SOS 887509 HAS SOPS 884428 HAS SOUS 98175 HAS SOUPS 97400 WITH SCORE 98287.509
AT ITER 9784 NEW BEST:: SOT 1048042 SOS 887526 HAS SOPS 884445 HAS SOUS 98155 HAS SOUPS 97380 WITH SCORE 98267.526
AT ITER 9898 NEW BEST:: SOT 1047940 SOS 887424 HAS SOPS 884343 HAS SOUS 97955 HAS SOUPS 97180 WITH SCORE 98067.424
TIME LIMIT: Killed by timeout after 3600 seconds
MemTotal: 16393232 kB
MemFree: 10646964 kB
After kill :
MemTotal: 16393232 kB
MemFree: 16114244 kB

BK_TIME_CONFINEMENT_REACHED

--------------------
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 StateSpace -timeout 360 -rebuildPNML
cp: cannot stat 'StateSpace.sr.xml': No such file or directory
Caught signal 15, terminating.

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="Szymanski-PT-b02"
export BK_EXAMINATION="StateSpace"
export BK_TOOL="smartxred"
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 smartxred"
echo " Input is Szymanski-PT-b02, examination is StateSpace"
echo " Time confinement is $BK_TIME_CONFINEMENT seconds"
echo " Memory confinement is 16384 MBytes"
echo " Number of cores is 4"
echo " Run identifier is r491-tall-167912710500456"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/Szymanski-PT-b02.tgz
mv Szymanski-PT-b02 execution
cd execution
if [ "StateSpace" = "ReachabilityDeadlock" ] || [ "StateSpace" = "UpperBounds" ] || [ "StateSpace" = "QuasiLiveness" ] || [ "StateSpace" = "StableMarking" ] || [ "StateSpace" = "Liveness" ] || [ "StateSpace" = "OneSafe" ] || [ "StateSpace" = "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 [ "StateSpace" = "UpperBounds" ] ; then
echo "The expected result is a vector of positive values"
echo NUM_VECTOR
elif [ "StateSpace" != "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 "StateSpace.txt" ] ; then
echo "here is the order used to build the result vector(from text file)"
for x in $(grep Property StateSpace.txt | cut -d ' ' -f 2 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ -f "StateSpace.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 '' StateSpace.xml | cut -d '>' -f 2 | cut -d '<' -f 1 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ "StateSpace" = "ReachabilityDeadlock" ] || [ "StateSpace" = "QuasiLiveness" ] || [ "StateSpace" = "StableMarking" ] || [ "StateSpace" = "Liveness" ] || [ "StateSpace" = "OneSafe" ] ; then
echo "FORMULA_NAME StateSpace"
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 ;