Execution Chart

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

Trace from the execution

Formatting '/data/fkordon/mcc2021-input.r197-smll-162089451900121.qcow2', fmt=qcow2 size=4294967296 backing_file=/data/fkordon/mcc2021-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-r0010w0020, examination is CTLCardinality
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r197-smll-162089451900121
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 424K
-rw-r--r-- 1 mcc users 13K May 5 16:58 CTLCardinality.txt
-rw-r--r-- 1 mcc users 129K May 10 09:44 CTLCardinality.xml
-rw-r--r-- 1 mcc users 9.1K May 5 16:58 CTLFireability.txt
-rw-r--r-- 1 mcc users 86K May 10 09:44 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K May 6 14:48 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 6.5K May 6 14:48 GenericPropertiesVerdict.xml
-rw-r--r-- 1 mcc users 3.7K Mar 28 16:34 LTLCardinality.txt
-rw-r--r-- 1 mcc users 27K Mar 28 16:34 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.0K Mar 28 16:34 LTLFireability.txt
-rw-r--r-- 1 mcc users 17K Mar 28 16:34 LTLFireability.xml
-rw-r--r-- 1 mcc users 3.4K Mar 27 10:58 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 17K Mar 27 10:58 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 2.2K Mar 25 14:08 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 11K Mar 25 14:08 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.7K Mar 22 08:15 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.7K Mar 22 08:15 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 May 5 16:51 equiv_col
-rw-r--r-- 1 mcc users 11 May 5 16:51 instance
-rw-r--r-- 1 mcc users 6 May 5 16:51 iscolored
-rw-r--r-- 1 mcc users 44K May 5 16:51 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-r0010w0020-CTLCardinality-00
FORMULA_NAME RwMutex-PT-r0010w0020-CTLCardinality-01
FORMULA_NAME RwMutex-PT-r0010w0020-CTLCardinality-02
FORMULA_NAME RwMutex-PT-r0010w0020-CTLCardinality-03
FORMULA_NAME RwMutex-PT-r0010w0020-CTLCardinality-04
FORMULA_NAME RwMutex-PT-r0010w0020-CTLCardinality-05
FORMULA_NAME RwMutex-PT-r0010w0020-CTLCardinality-06
FORMULA_NAME RwMutex-PT-r0010w0020-CTLCardinality-07
FORMULA_NAME RwMutex-PT-r0010w0020-CTLCardinality-08
FORMULA_NAME RwMutex-PT-r0010w0020-CTLCardinality-09
FORMULA_NAME RwMutex-PT-r0010w0020-CTLCardinality-10
FORMULA_NAME RwMutex-PT-r0010w0020-CTLCardinality-11
FORMULA_NAME RwMutex-PT-r0010w0020-CTLCardinality-12
FORMULA_NAME RwMutex-PT-r0010w0020-CTLCardinality-13
FORMULA_NAME RwMutex-PT-r0010w0020-CTLCardinality-14
FORMULA_NAME RwMutex-PT-r0010w0020-CTLCardinality-15

=== Now, execution of the tool begins

BK_START 1621001230754

Running Version 0
[2021-05-14 14:07:14] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, CTLCardinality, -spotpath, /home/mcc/BenchKit/bin//..//ltlfilt, -z3path, /home/mcc/BenchKit/bin//..//z3/bin/z3, -yices2path, /home/mcc/BenchKit/bin//..//yices/bin/yices, -its, -ltsmin, -greatspnpath, /home/mcc/BenchKit/bin//..//greatspn/, -order, META, -manyOrder, -smt, -timeout, 3600]
[2021-05-14 14:07:14] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2021-05-14 14:07:14] [INFO ] Load time of PNML (sax parser for PT used): 80 ms
[2021-05-14 14:07:14] [INFO ] Transformed 70 places.
[2021-05-14 14:07:14] [INFO ] Transformed 60 transitions.
[2021-05-14 14:07:14] [INFO ] Found NUPN structural information;
[2021-05-14 14:07:14] [INFO ] Parsed PT model containing 70 places and 60 transitions in 165 ms.
Parsed 16 properties from file /home/mcc/execution/CTLCardinality.xml in 27 ms.
Support contains 70 out of 70 places. Attempting structural reductions.
Starting structural reductions, iteration 0 : 70/70 places, 60/60 transitions.
Applied a total of 0 rules in 11 ms. Remains 70 /70 variables (removed 0) and now considering 60/60 (removed 0) transitions.
// Phase 1: matrix 60 rows 70 cols
[2021-05-14 14:07:14] [INFO ] Computed 40 place invariants in 16 ms
[2021-05-14 14:07:14] [INFO ] Implicit Places using invariants in 208 ms returned []
// Phase 1: matrix 60 rows 70 cols
[2021-05-14 14:07:14] [INFO ] Computed 40 place invariants in 4 ms
[2021-05-14 14:07:14] [INFO ] Implicit Places using invariants and state equation in 133 ms returned []
Implicit Place search using SMT with State Equation took 380 ms to find 0 implicit places.
// Phase 1: matrix 60 rows 70 cols
[2021-05-14 14:07:14] [INFO ] Computed 40 place invariants in 12 ms
[2021-05-14 14:07:14] [INFO ] Dead Transitions using invariants and state equation in 146 ms returned []
Finished structural reductions, in 1 iterations. Remains : 70/70 places, 60/60 transitions.
[2021-05-14 14:07:15] [INFO ] Initial state reduction rules for CTL removed 4 formulas.
[2021-05-14 14:07:15] [INFO ] Flatten gal took : 61 ms
FORMULA RwMutex-PT-r0010w0020-CTLCardinality-14 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA RwMutex-PT-r0010w0020-CTLCardinality-07 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA RwMutex-PT-r0010w0020-CTLCardinality-06 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA RwMutex-PT-r0010w0020-CTLCardinality-02 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
[2021-05-14 14:07:15] [INFO ] Flatten gal took : 28 ms
[2021-05-14 14:07:15] [INFO ] Input system was already deterministic with 60 transitions.
Incomplete random walk after 100000 steps, including 2 resets, run finished after 2442 ms. (steps per millisecond=40 ) properties (out of 64) seen :16
Running SMT prover for 48 properties.
// Phase 1: matrix 60 rows 70 cols
[2021-05-14 14:07:17] [INFO ] Computed 40 place invariants in 4 ms
[2021-05-14 14:07:18] [INFO ] [Real]Absence check using 40 positive place invariants in 13 ms returned sat
[2021-05-14 14:07:18] [INFO ] SMT Verify possible in real domain returnedunsat :44 sat :0 real:4
[2021-05-14 14:07:18] [INFO ] [Nat]Absence check using 40 positive place invariants in 11 ms returned sat
[2021-05-14 14:07:18] [INFO ] SMT Verify possible in nat domain returned unsat :4 sat :44
Successfully simplified 48 atomic propositions for a total of 12 simplifications.
[2021-05-14 14:07:18] [INFO ] Initial state test concluded for 3 properties.
FORMULA RwMutex-PT-r0010w0020-CTLCardinality-00 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA RwMutex-PT-r0010w0020-CTLCardinality-12 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA RwMutex-PT-r0010w0020-CTLCardinality-15 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Drop transitions removed 8 transitions
Trivial Post-agglo rules discarded 8 transitions
Performed 8 trivial Post agglomeration. Transition count delta: 8
Iterating post reduction 0 with 8 rules applied. Total rules applied 8 place count 70 transition count 52
Reduce places removed 16 places and 0 transitions.
Iterating post reduction 1 with 16 rules applied. Total rules applied 24 place count 54 transition count 52
Applied a total of 24 rules in 28 ms. Remains 54 /70 variables (removed 16) and now considering 52/60 (removed 8) transitions.
[2021-05-14 14:07:18] [INFO ] Flatten gal took : 14 ms
[2021-05-14 14:07:18] [INFO ] Flatten gal took : 13 ms
[2021-05-14 14:07:18] [INFO ] Input system was already deterministic with 52 transitions.
[2021-05-14 14:07:18] [INFO ] Flatten gal took : 12 ms
[2021-05-14 14:07:18] [INFO ] Flatten gal took : 18 ms
[2021-05-14 14:07:18] [INFO ] Time to serialize gal into /tmp/CTLCardinality10669380881455246871.gal : 4 ms
[2021-05-14 14:07:18] [INFO ] Time to serialize properties into /tmp/CTLCardinality9354597163950371576.ctl : 1 ms
Invoking ITS tools like this :CommandLine [args=[/home/mcc/BenchKit/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202104292328/bin/its-ctl-linux64, --gc-threshold, 2000000, --quiet, -i, /tmp/CTLCardinality10669380881455246871.gal, -t, CGAL, -ctl, /tmp/CTLCardinality9354597163950371576.ctl, --gen-order, FOLLOW], workingDir=/home/mcc/execution]

its-ctl command run as :

/home/mcc/BenchKit/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202104292328/bin/its-ctl-linux64 --gc-threshold 2000000 --quiet -i /tmp/CTLCardinality10669380881455246871.gal -t CGAL -ctl /tmp/CTLCardinality9354597163950371576.ctl --gen-order FOLLOW
No direction supplied, using forward translation only.
Parsed 1 CTL formulae.
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,24,0.0386,5160,2,196,5,737,6,0,263,353,0


Converting to forward existential form...Done !
original formula: EF(AG(((((((((p58+p50)+p65)+p20)+p56)+p60)+p34)+p13)>=3)))
=> equivalent forward existential formula: [(FwdU(Init,TRUE) * !(E(TRUE U !(((((((((p58+p50)+p65)+p20)+p56)+p60)+p34)+p13)>=3)))))] != FALSE
Reverse transition relation is exact ! Faster fixpoint algorithm enabled.
(forward)formula 0,0,0.068122,5612,1,0,6,2700,15,0,1946,805,5
FORMULA RwMutex-PT-r0010w0020-CTLCardinality-04 FALSE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL
Formula is FALSE !

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

[2021-05-14 14:07:18] [INFO ] Initial state reduction rules for CTL removed 2 formulas.
[2021-05-14 14:07:18] [INFO ] Flatten gal took : 15 ms
FORMULA RwMutex-PT-r0010w0020-CTLCardinality-13 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA RwMutex-PT-r0010w0020-CTLCardinality-10 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
[2021-05-14 14:07:18] [INFO ] Flatten gal took : 12 ms
[2021-05-14 14:07:18] [INFO ] Applying decomposition
[2021-05-14 14:07:18] [INFO ] Flatten gal took : 13 ms
Converted graph to binary with : CommandLine [args=[/home/mcc/BenchKit/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202104292328/bin/convert-linux64, -i, /tmp/graph9337615669711241738.txt, -o, /tmp/graph9337615669711241738.bin, -w, /tmp/graph9337615669711241738.weights], workingDir=null]
Built communities with : CommandLine [args=[/home/mcc/BenchKit/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202104292328/bin/louvain-linux64, /tmp/graph9337615669711241738.bin, -l, -1, -v, -w, /tmp/graph9337615669711241738.weights, -q, 0, -e, 0.001], workingDir=null]
[2021-05-14 14:07:18] [INFO ] Decomposing Gal with order
[2021-05-14 14:07:18] [INFO ] Rewriting arrays to variables to allow decomposition.
[2021-05-14 14:07:18] [INFO ] Removed a total of 374 redundant transitions.
[2021-05-14 14:07:18] [INFO ] Flatten gal took : 69 ms
[2021-05-14 14:07:18] [INFO ] Fuse similar labels procedure discarded/fused a total of 26 labels/synchronizations in 16 ms.
[2021-05-14 14:07:18] [INFO ] Time to serialize gal into /tmp/CTLCardinality16060839055356171709.gal : 4 ms
[2021-05-14 14:07:18] [INFO ] Time to serialize properties into /tmp/CTLCardinality4359992390392884066.ctl : 1 ms
Invoking ITS tools like this :CommandLine [args=[/home/mcc/BenchKit/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202104292328/bin/its-ctl-linux64, --gc-threshold, 2000000, --quiet, -i, /tmp/CTLCardinality16060839055356171709.gal, -t, CGAL, -ctl, /tmp/CTLCardinality4359992390392884066.ctl, --gen-order, FOLLOW], workingDir=/home/mcc/execution]

its-ctl command run as :

/home/mcc/BenchKit/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202104292328/bin/its-ctl-linux64 --gc-threshold 2000000 --quiet -i /tmp/CTLCardinality16060839055356171709.gal -t CGAL -ctl /tmp/CTLCardinality4359992390392884066.ctl --gen-order FOLLOW
No direction supplied, using forward translation only.
Parsed 6 CTL formulae.
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,1044,0.168014,9476,2,8358,5,13603,6,0,355,5654,0


Converting to forward existential form...Done !
original formula: AF(!(AX(FALSE)))
=> equivalent forward existential formula: [FwdG(Init,!(!(!(EX(!(FALSE))))))] = FALSE
Reverse transition relation is exact ! Faster fixpoint algorithm enabled.
(forward)formula 0,1,1.16512,33792,1,0,5,41608,15,0,1797,19564,4
FORMULA RwMutex-PT-r0010w0020-CTLCardinality-01 TRUE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL USE_NUPN
Formula is TRUE !

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

original formula: EX(TRUE)
=> equivalent forward existential formula: [(EY(Init) * TRUE)] != FALSE
(forward)formula 1,1,1.16973,33792,1,0,6,41768,15,1,1797,19712,5
FORMULA RwMutex-PT-r0010w0020-CTLCardinality-03 TRUE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL USE_NUPN
Formula is TRUE !

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

original formula: AG(AF(EX(EX((((gu8.p22+gu8.p55)+gu8.p5)<=gu8.p43)))))
=> equivalent forward existential formula: [FwdG(FwdU(Init,TRUE),!(EX(EX((((gu8.p22+gu8.p55)+gu8.p5)<=gu8.p43)))))] = FALSE
(forward)formula 2,1,1.20434,34052,1,0,8,43733,16,1,1806,21044,8
FORMULA RwMutex-PT-r0010w0020-CTLCardinality-05 TRUE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL USE_NUPN
Formula is TRUE !

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

original formula: EX(TRUE)
=> equivalent forward existential formula: [(EY(Init) * TRUE)] != FALSE
(forward)formula 3,1,1.20451,34052,1,0,8,43733,16,1,1806,21044,8
FORMULA RwMutex-PT-r0010w0020-CTLCardinality-08 TRUE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL USE_NUPN
Formula is TRUE !

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

original formula: (!(AX(AF(!(EF((((gu10.p23+gu10.p41)+gu10.p29)<=gu10.p11)))))) + EG(TRUE))
=> equivalent forward existential formula: ([FwdG(EY(Init),!(!(E(TRUE U (((gu10.p23+gu10.p41)+gu10.p29)<=gu10.p11)))))] != FALSE + [FwdG(Init,TRUE)] != FALSE)
(forward)formula 4,1,1.21976,34316,1,0,9,44129,22,1,1885,21610,14
FORMULA RwMutex-PT-r0010w0020-CTLCardinality-09 TRUE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL USE_NUPN
Formula is TRUE !

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

original formula: AF(AX(FALSE))
=> equivalent forward existential formula: [FwdG(Init,!(!(EX(!(FALSE)))))] = FALSE
(forward)formula 5,0,1.22169,34316,1,0,9,44159,22,2,1885,21633,16
FORMULA RwMutex-PT-r0010w0020-CTLCardinality-11 FALSE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL USE_NUPN
Formula is FALSE !

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


BK_STOP 1621001241183

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

+ export BINDIR=/home/mcc/BenchKit/bin//../
+ BINDIR=/home/mcc/BenchKit/bin//../
++ pwd
+ export MODEL=/home/mcc/execution
+ MODEL=/home/mcc/execution
+ [[ CTLCardinality = StateSpace ]]
+ /home/mcc/BenchKit/bin//..//runeclipse.sh /home/mcc/execution CTLCardinality -its -ltsmin -greatspnpath /home/mcc/BenchKit/bin//..//greatspn/ -order META -manyOrder -smt -timeout 3600
+ ulimit -s 65536
+ [[ -z '' ]]
+ export LTSMIN_MEM_SIZE=8589934592
+ LTSMIN_MEM_SIZE=8589934592
++ cut -d . -f 9
++ ls /home/mcc/BenchKit/bin//..//itstools/plugins/fr.lip6.move.gal.application.pnmcc_1.0.0.202104292328.jar
+ VERSION=0
+ echo 'Running Version 0'
+ /home/mcc/BenchKit/bin//..//itstools/its-tools -data /home/mcc/execution/workspace -pnfolder /home/mcc/execution -examination CTLCardinality -spotpath /home/mcc/BenchKit/bin//..//ltlfilt -z3path /home/mcc/BenchKit/bin//..//z3/bin/z3 -yices2path /home/mcc/BenchKit/bin//..//yices/bin/yices -its -ltsmin -greatspnpath /home/mcc/BenchKit/bin//..//greatspn/ -order META -manyOrder -smt -timeout 3600 -vmargs -Dosgi.locking=none -Declipse.stateSaveDelayInterval=-1 -Dosgi.configuration.area=/tmp/.eclipse -Xss128m -Xms40m -Xmx16000m

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-r0010w0020"
export BK_EXAMINATION="CTLCardinality"
export BK_TOOL="itstools"
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 2-4028"
echo " Executing tool itstools"
echo " Input is RwMutex-PT-r0010w0020, examination is CTLCardinality"
echo " Time confinement is $BK_TIME_CONFINEMENT seconds"
echo " Memory confinement is 16384 MBytes"
echo " Number of cores is 4"
echo " Run identifier is r197-smll-162089451900121"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/RwMutex-PT-r0010w0020.tgz
mv RwMutex-PT-r0010w0020 execution
cd execution
if [ "CTLCardinality" = "ReachabilityDeadlock" ] || [ "CTLCardinality" = "UpperBounds" ] || [ "CTLCardinality" = "QuasiLiveness" ] || [ "CTLCardinality" = "StableMarking" ] || [ "CTLCardinality" = "Liveness" ] || [ "CTLCardinality" = "OneSafe" ] || [ "CTLCardinality" = "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 [ "CTLCardinality" = "UpperBounds" ] ; then
echo "The expected result is a vector of positive values"
echo NUM_VECTOR
elif [ "CTLCardinality" != "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 "CTLCardinality.txt" ] ; then
echo "here is the order used to build the result vector(from text file)"
for x in $(grep Property CTLCardinality.txt | cut -d ' ' -f 2 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ -f "CTLCardinality.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 '' CTLCardinality.xml | cut -d '>' -f 2 | cut -d '<' -f 1 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ "CTLCardinality" = "ReachabilityDeadlock" ] || [ "CTLCardinality" = "QuasiLiveness" ] || [ "CTLCardinality" = "StableMarking" ] || [ "CTLCardinality" = "Liveness" ] || [ "CTLCardinality" = "OneSafe" ] ; then
echo "FORMULA_NAME CTLCardinality"
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 ;