fond
Model Checking Contest 2020
10th edition, Paris, France, June 23, 2020
Execution of r156-oct2-158972913800268
Last Updated
Jun 28, 2020

About the Execution of ITS-Tools for RwMutex-PT-r0010w0100

Execution Summary
Max Memory
Used (MB)
Time wait (ms) CPU Usage (ms) I/O Wait (ms) Computed Result Execution
Status
15743.130 6870.00 14769.00 125.60 FFFTFTFFTFFFFTTT normal

Execution Chart

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

Trace from the execution

Formatting '/data/fko/mcc2020-input.r156-oct2-158972913800268.qcow2', fmt=qcow2 size=4294967296 backing_file=/data/fko/mcc2020-input.qcow2 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 RwMutex-PT-r0010w0100, examination is CTLFireability
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r156-oct2-158972913800268
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 344K
-rw-r--r-- 1 mcc users 3.7K Apr 12 11:01 CTLCardinality.txt
-rw-r--r-- 1 mcc users 20K Apr 12 11:01 CTLCardinality.xml
-rw-r--r-- 1 mcc users 2.4K Apr 11 12:09 CTLFireability.txt
-rw-r--r-- 1 mcc users 14K Apr 11 12:09 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.0K Mar 24 05:38 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 6.1K Mar 24 05:38 GenericPropertiesVerdict.xml
-rw-r--r-- 1 mcc users 3.3K Apr 14 12:50 LTLCardinality.txt
-rw-r--r-- 1 mcc users 23K Apr 28 14:02 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.0K Apr 14 12:50 LTLFireability.txt
-rw-r--r-- 1 mcc users 17K Apr 28 14:02 LTLFireability.xml
-rw-r--r-- 1 mcc users 3.4K Apr 10 16:35 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 17K Apr 10 16:35 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 2.7K Apr 9 23:01 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 16K Apr 9 23:01 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.7K Apr 10 22:28 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.7K Apr 10 22:28 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 Mar 24 05:38 equiv_col
-rw-r--r-- 1 mcc users 11 Mar 24 05:38 instance
-rw-r--r-- 1 mcc users 6 Mar 24 05:38 iscolored
-rw-r--r-- 1 mcc users 172K Mar 24 05:38 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 RwMutex-PT-r0010w0100-CTLFireability-00
FORMULA_NAME RwMutex-PT-r0010w0100-CTLFireability-01
FORMULA_NAME RwMutex-PT-r0010w0100-CTLFireability-02
FORMULA_NAME RwMutex-PT-r0010w0100-CTLFireability-03
FORMULA_NAME RwMutex-PT-r0010w0100-CTLFireability-04
FORMULA_NAME RwMutex-PT-r0010w0100-CTLFireability-05
FORMULA_NAME RwMutex-PT-r0010w0100-CTLFireability-06
FORMULA_NAME RwMutex-PT-r0010w0100-CTLFireability-07
FORMULA_NAME RwMutex-PT-r0010w0100-CTLFireability-08
FORMULA_NAME RwMutex-PT-r0010w0100-CTLFireability-09
FORMULA_NAME RwMutex-PT-r0010w0100-CTLFireability-10
FORMULA_NAME RwMutex-PT-r0010w0100-CTLFireability-11
FORMULA_NAME RwMutex-PT-r0010w0100-CTLFireability-12
FORMULA_NAME RwMutex-PT-r0010w0100-CTLFireability-13
FORMULA_NAME RwMutex-PT-r0010w0100-CTLFireability-14
FORMULA_NAME RwMutex-PT-r0010w0100-CTLFireability-15

=== Now, execution of the tool begins

BK_START 1589887666435

[2020-05-19 11:27:49] [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]
[2020-05-19 11:27:49] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2020-05-19 11:27:49] [INFO ] Load time of PNML (sax parser for PT used): 99 ms
[2020-05-19 11:27:49] [INFO ] Transformed 230 places.
[2020-05-19 11:27:49] [INFO ] Transformed 220 transitions.
[2020-05-19 11:27:49] [INFO ] Parsed PT model containing 230 places and 220 transitions in 148 ms.
Parsed 16 properties from file /home/mcc/execution/CTLFireability.xml in 18 ms.
Incomplete random walk after 100000 steps, including 0 resets, run finished after 847 ms. (steps per millisecond=118 ) properties seen :[1, 1, 1, 1, 1, 1, 1, 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, 0, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
// Phase 1: matrix 220 rows 230 cols
[2020-05-19 11:27:50] [INFO ] Computed 120 place invariants in 33 ms
[2020-05-19 11:27:51] [INFO ] [Real]Absence check using 120 positive place invariants in 136 ms returned unsat
[2020-05-19 11:27:51] [INFO ] [Real]Absence check using 120 positive place invariants in 11 ms returned unsat
[2020-05-19 11:27:51] [INFO ] [Real]Absence check using 120 positive place invariants in 86 ms returned unsat
Successfully simplified 3 atomic propositions for a total of 3 simplifications.
[2020-05-19 11:27:51] [INFO ] Initial state reduction rules for CTL removed 11 formulas.
[2020-05-19 11:27:51] [INFO ] Flatten gal took : 149 ms
[2020-05-19 11:27:51] [INFO ] Initial state reduction rules for CTL removed 11 formulas.
[2020-05-19 11:27:51] [INFO ] Flatten gal took : 64 ms
FORMULA RwMutex-PT-r0010w0100-CTLFireability-13 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA RwMutex-PT-r0010w0100-CTLFireability-11 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA RwMutex-PT-r0010w0100-CTLFireability-10 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA RwMutex-PT-r0010w0100-CTLFireability-09 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA RwMutex-PT-r0010w0100-CTLFireability-08 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA RwMutex-PT-r0010w0100-CTLFireability-07 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA RwMutex-PT-r0010w0100-CTLFireability-05 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA RwMutex-PT-r0010w0100-CTLFireability-04 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA RwMutex-PT-r0010w0100-CTLFireability-02 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA RwMutex-PT-r0010w0100-CTLFireability-01 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA RwMutex-PT-r0010w0100-CTLFireability-00 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
[2020-05-19 11:27:51] [INFO ] Applying decomposition
[2020-05-19 11:27:51] [INFO ] Flatten gal took : 44 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/graph10033891887113094856.txt, -o, /tmp/graph10033891887113094856.bin, -w, /tmp/graph10033891887113094856.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/graph10033891887113094856.bin, -l, -1, -v, -w, /tmp/graph10033891887113094856.weights, -q, 0, -e, 0.001], workingDir=null]
[2020-05-19 11:27:52] [INFO ] Decomposing Gal with order
[2020-05-19 11:27:52] [INFO ] Rewriting arrays to variables to allow decomposition.
[2020-05-19 11:27:52] [INFO ] Removed a total of 1980 redundant transitions.
[2020-05-19 11:27:52] [INFO ] Flatten gal took : 176 ms
[2020-05-19 11:27:52] [INFO ] Fuse similar labels procedure discarded/fused a total of 94 labels/synchronizations in 55 ms.
[2020-05-19 11:27:52] [INFO ] Time to serialize gal into /home/mcc/execution/CTLFireability.pnml.gal : 22 ms
[2020-05-19 11:27:52] [INFO ] Time to serialize properties into /home/mcc/execution/CTLFireability.ctl : 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-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 5 CTL formulae.
built 31 ordering constraints for composite.
built 16 ordering constraints for composite.
built 16 ordering constraints for composite.
built 16 ordering constraints for composite.
built 16 ordering constraints for composite.
built 16 ordering constraints for composite.
built 16 ordering constraints for composite.
built 16 ordering constraints for composite.
built 16 ordering constraints for composite.
built 16 ordering constraints for composite.
built 16 ordering constraints for composite.
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,1124,0.07409,6924,176,7,619,248,490,324,22,251,0


Converting to forward existential form...Done !
original formula: EG(TRUE)
=> equivalent forward existential formula: [FwdG(Init,TRUE)] != FALSE
Using saturation style SCC detection
Using saturation style SCC detection
Fast SCC detection found an SCC at level 14
Fast SCC detection found an SCC at level 15
Fast SCC detection found an SCC at level 16
Fast SCC detection found an SCC at level 17
Fast SCC detection found an SCC at level 18
Fast SCC detection found an SCC at level 19
Fast SCC detection found an SCC at level 20
Fast SCC detection found an SCC at level 21
Fast SCC detection found an SCC at level 22
Fast SCC detection found an SCC at level 23
Fast SCC detection found an SCC at level 24
Fast SCC detection found an SCC at level 25
Fast SCC detection found an SCC at level 26
Fast SCC detection found an SCC at level 27
Fast SCC detection found an SCC at level 28
Fast SCC detection found an SCC at level 29
Fast SCC detection found an SCC at level 30
Fast SCC detection found an SCC at level 31
Fast SCC detection found an SCC at level 32
Fast SCC detection found an SCC at level 33
Fast SCC detection found an SCC at level 34
Fast SCC detection found an SCC at level 35
Fast SCC detection found an SCC at level 36
Fast SCC detection found an SCC at level 37
Fast SCC detection found an SCC at level 38
Fast SCC detection found an SCC at level 39
(forward)formula 0,1,0.142572,6924,1,0,939,248,5099,809,79,251,5969
FORMULA RwMutex-PT-r0010w0100-CTLFireability-03 TRUE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL USE_NUPN
Formula is TRUE !

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

original formula: EX((((((((((((i19.u46.p122>=1)&&(i3.u10.p123>=1))&&(i22.u71.p124>=1))&&(i4.u11.p125>=1))&&(i27.u83.p126>=1))&&(i29.u88.p127>=1))&&(i34.u98.p128>=1))&&(i36.u104.p129>=1))&&(i1.u1.p130>=1))&&(i0.u8.p131>=1))&&(i4.u55.p92>=1)))
=> equivalent forward existential formula: [(EY(Init) * (((((((((((i19.u46.p122>=1)&&(i3.u10.p123>=1))&&(i22.u71.p124>=1))&&(i4.u11.p125>=1))&&(i27.u83.p126>=1))&&(i29.u88.p127>=1))&&(i34.u98.p128>=1))&&(i36.u104.p129>=1))&&(i1.u1.p130>=1))&&(i0.u8.p131>=1))&&(i4.u55.p92>=1)))] != FALSE
(forward)formula 1,0,0.158032,7416,1,0,1126,248,5150,914,79,251,6797
FORMULA RwMutex-PT-r0010w0100-CTLFireability-06 FALSE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL USE_NUPN
Formula is FALSE !

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

original formula: A(((((((((((((i19.u46.p122<1)||(i3.u10.p123<1))||(i22.u71.p124<1))||(i4.u11.p125<1))||(i27.u83.p126<1))||(i29.u88.p127<1))||(i34.u98.p128<1))||(i36.u104.p129<1))||(i1.u1.p130<1))||(i0.u8.p131<1))||(u76.p47<1))&&((((((((((((i19.u80.p175<1)||(i19.u46.p122<1))||(i3.u10.p123<1))||(i22.u71.p124<1))||(i4.u11.p125<1))||(i27.u83.p126<1))||(i29.u88.p127<1))||(i34.u98.p128<1))||(i36.u104.p129<1))||(i1.u1.p130<1))||(i0.u8.p131<1))||(u75.p45<1))) U AX((i34.u23.p147>=1)))
=> equivalent forward existential formula: [((Init * !(EG(!(!(EX(!((i34.u23.p147>=1)))))))) * !(E(!(!(EX(!((i34.u23.p147>=1))))) U (!(((((((((((((i19.u46.p122<1)||(i3.u10.p123<1))||(i22.u71.p124<1))||(i4.u11.p125<1))||(i27.u83.p126<1))||(i29.u88.p127<1))||(i34.u98.p128<1))||(i36.u104.p129<1))||(i1.u1.p130<1))||(i0.u8.p131<1))||(u76.p47<1))&&((((((((((((i19.u80.p175<1)||(i19.u46.p122<1))||(i3.u10.p123<1))||(i22.u71.p124<1))||(i4.u11.p125<1))||(i27.u83.p126<1))||(i29.u88.p127<1))||(i34.u98.p128<1))||(i36.u104.p129<1))||(i1.u1.p130<1))||(i0.u8.p131<1))||(u75.p45<1)))) * !(!(EX(!((i34.u23.p147>=1)))))))))] != FALSE
Reverse transition relation is exact ! Faster fixpoint algorithm enabled.
(forward)formula 2,0,0.191321,7416,1,0,1246,248,5349,1069,86,251,8014
FORMULA RwMutex-PT-r0010w0100-CTLFireability-12 FALSE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL USE_NUPN
Formula is FALSE !

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

original formula: AX((((((((((((i19.u46.p122<1)||(i3.u10.p123<1))||(i22.u71.p124<1))||(i4.u11.p125<1))||(i27.u83.p126<1))||(i29.u88.p127<1))||(i34.u98.p128<1))||(i36.u104.p129<1))||(i1.u1.p130<1))||(i0.u8.p131<1))||(i0.u17.p18<1)))
=> equivalent forward existential formula: [(EY(Init) * !((((((((((((i19.u46.p122<1)||(i3.u10.p123<1))||(i22.u71.p124<1))||(i4.u11.p125<1))||(i27.u83.p126<1))||(i29.u88.p127<1))||(i34.u98.p128<1))||(i36.u104.p129<1))||(i1.u1.p130<1))||(i0.u8.p131<1))||(i0.u17.p18<1))))] = FALSE
(forward)formula 3,1,0.192943,7416,1,0,1261,248,5356,1079,86,251,8080
FORMULA RwMutex-PT-r0010w0100-CTLFireability-14 TRUE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL USE_NUPN
Formula is TRUE !

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

original formula: !(AF((AG((((((((((((i19.u46.p122>=1)&&(i3.u10.p123>=1))&&(i22.u71.p124>=1))&&(i4.u11.p125>=1))&&(i27.u83.p126>=1))&&(i29.u88.p127>=1))&&(i34.u98.p128>=1))&&(i36.u104.p129>=1))&&(i1.u1.p130>=1))&&(i0.u8.p131>=1))&&(i27.u84.p63>=1))) + (u16.p137>=1))))
=> equivalent forward existential formula: [FwdG(Init,!((!(E(TRUE U !((((((((((((i19.u46.p122>=1)&&(i3.u10.p123>=1))&&(i22.u71.p124>=1))&&(i4.u11.p125>=1))&&(i27.u83.p126>=1))&&(i29.u88.p127>=1))&&(i34.u98.p128>=1))&&(i36.u104.p129>=1))&&(i1.u1.p130>=1))&&(i0.u8.p131>=1))&&(i27.u84.p63>=1))))) + (u16.p137>=1))))] != FALSE
(forward)formula 4,1,0.200678,7680,1,0,2408,248,5371,2151,86,251,10924
FORMULA RwMutex-PT-r0010w0100-CTLFireability-15 TRUE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL USE_NUPN
Formula is TRUE !

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


BK_STOP 1589887673305

--------------------
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="RwMutex-PT-r0010w0100"
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 RwMutex-PT-r0010w0100, 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 r156-oct2-158972913800268"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/RwMutex-PT-r0010w0100.tgz
mv RwMutex-PT-r0010w0100 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 ;