Execution Chart

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

Trace from the execution

Formatting '/data/fkordon/mcc2024-input.r136-tall-171631131700023.qcow2', fmt=qcow2 size=4294967296 backing_file=/data/fkordon/mcc2024-input.qcow2 backing_fmt=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 2-5568
Executing tool itstools
Input is DatabaseWithMutex-COL-10, examination is ReachabilityFireability
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r136-tall-171631131700023
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 456K
-rw-r--r-- 1 mcc users 8.3K Apr 11 18:13 CTLCardinality.txt
-rw-r--r-- 1 mcc users 82K Apr 11 18:13 CTLCardinality.xml
-rw-r--r-- 1 mcc users 4.6K Apr 11 18:04 CTLFireability.txt
-rw-r--r-- 1 mcc users 35K Apr 11 18:04 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K May 18 16:42 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 6.7K May 18 16:42 GenericPropertiesVerdict.xml
-rw-r--r-- 1 mcc users 4.2K Apr 22 14:39 LTLCardinality.txt
-rw-r--r-- 1 mcc users 27K Apr 22 14:39 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.4K Apr 22 14:39 LTLFireability.txt
-rw-r--r-- 1 mcc users 16K Apr 22 14:39 LTLFireability.xml
-rw-r--r-- 1 mcc users 12K Apr 11 18:28 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 107K Apr 11 18:28 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 8.1K Apr 11 18:21 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 61K Apr 11 18:21 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.8K Apr 22 14:39 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.8K Apr 22 14:39 UpperBounds.xml
-rw-r--r-- 1 mcc users 5 May 18 16:42 equiv_pt
-rw-r--r-- 1 mcc users 3 May 18 16:42 instance
-rw-r--r-- 1 mcc users 5 May 18 16:42 iscolored
-rw-r--r-- 1 mcc users 27K May 18 16:42 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 DatabaseWithMutex-COL-10-ReachabilityFireability-2024-00
FORMULA_NAME DatabaseWithMutex-COL-10-ReachabilityFireability-2024-01
FORMULA_NAME DatabaseWithMutex-COL-10-ReachabilityFireability-2024-02
FORMULA_NAME DatabaseWithMutex-COL-10-ReachabilityFireability-2024-03
FORMULA_NAME DatabaseWithMutex-COL-10-ReachabilityFireability-2024-04
FORMULA_NAME DatabaseWithMutex-COL-10-ReachabilityFireability-2024-05
FORMULA_NAME DatabaseWithMutex-COL-10-ReachabilityFireability-2024-06
FORMULA_NAME DatabaseWithMutex-COL-10-ReachabilityFireability-2024-07
FORMULA_NAME DatabaseWithMutex-COL-10-ReachabilityFireability-2024-08
FORMULA_NAME DatabaseWithMutex-COL-10-ReachabilityFireability-2024-09
FORMULA_NAME DatabaseWithMutex-COL-10-ReachabilityFireability-2024-10
FORMULA_NAME DatabaseWithMutex-COL-10-ReachabilityFireability-2024-11
FORMULA_NAME DatabaseWithMutex-COL-10-ReachabilityFireability-2024-12
FORMULA_NAME DatabaseWithMutex-COL-10-ReachabilityFireability-2024-13
FORMULA_NAME DatabaseWithMutex-COL-10-ReachabilityFireability-2024-14
FORMULA_NAME DatabaseWithMutex-COL-10-ReachabilityFireability-2024-15

=== Now, execution of the tool begins

BK_START 1716325938163

Invoking MCC driver with
BK_TOOL=itstools
BK_EXAMINATION=ReachabilityFireability
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=DatabaseWithMutex-COL-10
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is COL
ReachabilityFireability COL
Running Version 202405141337
[2024-05-21 21:12:19] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, ReachabilityFireability, -its, -ltsmin, -greatspnpath, /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/, -order, META, -manyOrder, -smt, -timeout, 3600]
[2024-05-21 21:12:19] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2024-05-21 21:12:19] [INFO ] Detected file is not PT type :http://www.pnml.org/version-2009/grammar/symmetricnet
log4j:WARN No appenders could be found for logger (org.apache.axiom.locator.DefaultOMMetaFactoryLocator).
log4j:WARN Please initialize the log4j system properly.
log4j:WARN See http://logging.apache.org/log4j/1.2/faq.html#noconfig for more info.
[2024-05-21 21:12:19] [WARNING] Using fallBack plugin, rng conformance not checked
[2024-05-21 21:12:19] [INFO ] Load time of PNML (colored model parsed with PNMLFW) : 578 ms
[2024-05-21 21:12:20] [INFO ] Imported 11 HL places and 8 HL transitions for a total of 830 PT places and 800.0 transition bindings in 14 ms.
Parsed 16 properties from file /home/mcc/execution/ReachabilityFireability.xml in 18 ms.
Reduction of identical properties reduced properties to check from 16 to 15
Working with output stream class java.io.PrintStream
FORMULA DatabaseWithMutex-COL-10-ReachabilityFireability-2024-07 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
[2024-05-21 21:12:20] [INFO ] Built PT skeleton of HLPN with 11 places and 8 transitions 22 arcs in 4 ms.
[2024-05-21 21:12:20] [INFO ] Skeletonized 14 HLPN properties in 0 ms.
Remains 2 properties that can be checked using skeleton over-approximation.
Computed a total of 0 stabilizing places and 0 stable transitions
RANDOM walk for 1055 steps (0 resets) in 13 ms. (75 steps per ms) remains 0/2 properties
[2024-05-21 21:12:20] [INFO ] Flatten gal took : 23 ms
[2024-05-21 21:12:20] [INFO ] Flatten gal took : 2 ms
[2024-05-21 21:12:20] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality4848743573941681390.gal : 3 ms
[2024-05-21 21:12:20] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality10174550613514928693.prop : 0 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202405141337/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality4848743573941681390.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality10174550613514928693.prop' '--nowitness' '--gen-order' 'FOLLOW'

ITS runner timed out or was interrupted.
its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202405141337/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...329
Loading property file /tmp/ReachabilityCardinality10174550613514928693.prop.
ITS tools runner thread asked to quit. Dying gracefully.
Found states matching all0 target predicate
Will report total states built up to this point. Computation was interrupted after 3 fixpoint passes
Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
petri\_inst\_inst,5,0.011878,3392,2,22,5,64,6,0,55,26,0
Total reachable state count : 5

java.io.IOException: Stream closed
at java.base/java.io.BufferedInputStream.getBufIfOpen(BufferedInputStream.java:168)
at java.base/java.io.BufferedInputStream.read(BufferedInputStream.java:334)
at java.base/sun.nio.cs.StreamDecoder.readBytes(StreamDecoder.java:270)
at java.base/sun.nio.cs.StreamDecoder.implRead(StreamDecoder.java:313)
at java.base/sun.nio.cs.StreamDecoder.read(StreamDecoder.java:188)
at java.base/java.io.InputStreamReader.read(InputStreamReader.java:177)
at java.base/java.io.BufferedReader.fill(BufferedReader.java:162)
at java.base/java.io.BufferedReader.readLine(BufferedReader.java:329)
at java.base/java.io.BufferedReader.readLine(BufferedReader.java:396)
at fr.lip6.move.gal.application.runner.its.ITSRunner$ITSInterpreter.run(ITSRunner.java:211)
at java.base/java.lang.Thread.run(Thread.java:840)
RANDOM walk for 0 steps (0 resets) in 4 ms. (0 steps per ms) remains 0/0 properties
[2024-05-21 21:12:20] [INFO ] Flatten gal took : 1 ms
[2024-05-21 21:12:20] [INFO ] Flatten gal took : 2 ms
RANDOM walk for 0 steps (0 resets) in 4 ms. (0 steps per ms) remains 0/0 properties
Finished probabilistic random walk after 0 steps, run visited all 0 properties in 0 ms. (steps per millisecond=0 )
[2024-05-21 21:12:20] [INFO ] Flatten gal took : 3 ms
[2024-05-21 21:12:20] [INFO ] Flatten gal took : 2 ms
[2024-05-21 21:12:20] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality13286067509338653577.gal : 2 ms
[2024-05-21 21:12:20] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality13707238896875814187.prop : 0 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202405141337/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality13286067509338653577.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality13707238896875814187.prop' '--nowitness' '--gen-order' 'FOLLOW'

its-reach command run as :

ITS runner timed out or was interrupted.
/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202405141337/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...330
Loading property file /tmp/ReachabilityCardinality13707238896875814187.prop.
Found states matching all0 target predicate
Will report total states built up to this point. Computation was interrupted after 3 fixpoint passes
Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
petri\_inst\_inst,5,0.002134,3528,2,22,5,64,6,0,55,26,0
Total reachable state count : 5

Transition Release forces synchronizations/join behavior on parameter s of sort site
Transition Acquire forces synchronizations/join behavior on parameter f of sort file
[2024-05-21 21:12:20] [INFO ] Unfolded HLPN to a Petri net with 830 places and 800 transitions 3800 arcs in 32 ms.
[2024-05-21 21:12:20] [INFO ] Unfolded 14 HLPN properties in 1 ms.
Initial state reduction rules removed 1 formulas.
[2024-05-21 21:12:20] [INFO ] Reduced 90 identical enabling conditions.
[2024-05-21 21:12:20] [INFO ] Reduced 90 identical enabling conditions.
[2024-05-21 21:12:20] [INFO ] Reduced 90 identical enabling conditions.
[2024-05-21 21:12:20] [INFO ] Reduced 90 identical enabling conditions.
[2024-05-21 21:12:20] [INFO ] Reduced 90 identical enabling conditions.
[2024-05-21 21:12:20] [INFO ] Reduced 90 identical enabling conditions.
[2024-05-21 21:12:20] [INFO ] Reduced 90 identical enabling conditions.
[2024-05-21 21:12:20] [INFO ] Reduced 90 identical enabling conditions.
[2024-05-21 21:12:20] [INFO ] Reduced 90 identical enabling conditions.
[2024-05-21 21:12:20] [INFO ] Reduced 90 identical enabling conditions.
FORMULA DatabaseWithMutex-COL-10-ReachabilityFireability-2024-11 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
[2024-05-21 21:12:20] [INFO ] Flatten gal took : 192 ms
RANDOM walk for 40000 steps (8 resets) in 2338 ms. (17 steps per ms) remains 1/13 properties
FORMULA DatabaseWithMutex-COL-10-ReachabilityFireability-2024-15 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA DatabaseWithMutex-COL-10-ReachabilityFireability-2024-14 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA DatabaseWithMutex-COL-10-ReachabilityFireability-2024-12 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA DatabaseWithMutex-COL-10-ReachabilityFireability-2024-10 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA DatabaseWithMutex-COL-10-ReachabilityFireability-2024-09 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA DatabaseWithMutex-COL-10-ReachabilityFireability-2024-06 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA DatabaseWithMutex-COL-10-ReachabilityFireability-2024-05 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA DatabaseWithMutex-COL-10-ReachabilityFireability-2024-04 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA DatabaseWithMutex-COL-10-ReachabilityFireability-2024-03 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA DatabaseWithMutex-COL-10-ReachabilityFireability-2024-02 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA DatabaseWithMutex-COL-10-ReachabilityFireability-2024-08 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA DatabaseWithMutex-COL-10-ReachabilityFireability-2024-01 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA DatabaseWithMutex-COL-10-ReachabilityFireability-2024-00 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
[2024-05-21 21:12:21] [INFO ] Flatten gal took : 154 ms
[2024-05-21 21:12:21] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality11385128277824213383.gal : 68 ms
[2024-05-21 21:12:21] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality12191288905432883413.prop : 53 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202405141337/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality11385128277824213383.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality12191288905432883413.prop' '--nowitness' '--gen-order' 'FOLLOW'

its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202405141337/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...330
Loading property file /tmp/ReachabilityCardinality12191288905432883413.prop.
SDD proceeding with computation,1 properties remain. new max is 4
SDD size :1 after 9
SDD proceeding with computation,1 properties remain. new max is 8
SDD size :9 after 23
SDD proceeding with computation,1 properties remain. new max is 16
SDD size :23 after 39
SDD proceeding with computation,1 properties remain. new max is 32
SDD size :39 after 74
SDD proceeding with computation,1 properties remain. new max is 64
SDD size :74 after 104
SDD proceeding with computation,1 properties remain. new max is 128
SDD size :104 after 488
SDD proceeding with computation,1 properties remain. new max is 256
SDD size :488 after 1620
SDD proceeding with computation,1 properties remain. new max is 512
SDD size :1620 after 2008
SDD proceeding with computation,1 properties remain. new max is 1024
SDD size :2008 after 4808
SDD proceeding with computation,1 properties remain. new max is 2048
SDD size :4808 after 10844
BEST_FIRST walk for 40004 steps (8 resets) in 9136 ms. (4 steps per ms) remains 1/1 properties
// Phase 1: matrix 800 rows 830 cols
[2024-05-21 21:12:23] [INFO ] Computed 130 invariants in 57 ms
Problem DatabaseWithMutex-COL-10-ReachabilityFireability-2024-13 is UNSAT
FORMULA DatabaseWithMutex-COL-10-ReachabilityFireability-2024-13 TRUE TECHNIQUES SMT_REFINEMENT
After SMT solving in domain Real declared 830/1630 variables, and 0 constraints, problems are : Problem set: 1 solved, 0 unsolved in 384 ms.
Refiners :[Positive P Invariants (semi-flows): 0/29 constraints, Generalized P Invariants (flows): 0/101 constraints, State Equation: 0/830 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 3855ms problems are : Problem set: 1 solved, 0 unsolved
Skipping Parikh replay, no witness traces provided.
ITS runner timed out or was interrupted.
ITS tools runner thread asked to quit. Dying gracefully.
All properties solved without resorting to model-checking.
Total runtime 8107 ms.

BK_STOP 1716325949310

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

+ export BINDIR=/home/mcc/BenchKit/bin//../itstools/bin//../
+ BINDIR=/home/mcc/BenchKit/bin//../itstools/bin//../
++ pwd
+ export MODEL=/home/mcc/execution
+ MODEL=/home/mcc/execution
+ [[ ReachabilityFireability = StateSpace ]]
+ /home/mcc/BenchKit/bin//../itstools/bin//..//runeclipse.sh /home/mcc/execution ReachabilityFireability -its -ltsmin -greatspnpath /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/ -order META -manyOrder -smt -timeout 3600
+ 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//../itstools/bin//..//itstools/plugins/fr.lip6.move.gal.application.pnmcc_1.0.0.202405141337.jar
+ VERSION=202405141337
+ echo 'Running Version 202405141337'
+ /home/mcc/BenchKit/bin//../itstools/bin//..//itstools/its-tools -pnfolder /home/mcc/execution -examination ReachabilityFireability -its -ltsmin -greatspnpath /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/ -order META -manyOrder -smt -timeout 3600

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="DatabaseWithMutex-COL-10"
export BK_EXAMINATION="ReachabilityFireability"
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 2-5568"
echo " Executing tool itstools"
echo " Input is DatabaseWithMutex-COL-10, examination is ReachabilityFireability"
echo " Time confinement is $BK_TIME_CONFINEMENT seconds"
echo " Memory confinement is 16384 MBytes"
echo " Number of cores is 4"
echo " Run identifier is r136-tall-171631131700023"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/DatabaseWithMutex-COL-10.tgz
mv DatabaseWithMutex-COL-10 execution
cd execution
if [ "ReachabilityFireability" = "ReachabilityDeadlock" ] || [ "ReachabilityFireability" = "UpperBounds" ] || [ "ReachabilityFireability" = "QuasiLiveness" ] || [ "ReachabilityFireability" = "StableMarking" ] || [ "ReachabilityFireability" = "Liveness" ] || [ "ReachabilityFireability" = "OneSafe" ] || [ "ReachabilityFireability" = "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 [ "ReachabilityFireability" = "UpperBounds" ] ; then
echo "The expected result is a vector of positive values"
echo NUM_VECTOR
elif [ "ReachabilityFireability" != "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 "ReachabilityFireability.txt" ] ; then
echo "here is the order used to build the result vector(from text file)"
for x in $(grep Property ReachabilityFireability.txt | cut -d ' ' -f 2 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ -f "ReachabilityFireability.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 '' ReachabilityFireability.xml | cut -d '>' -f 2 | cut -d '<' -f 1 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ "ReachabilityFireability" = "ReachabilityDeadlock" ] || [ "ReachabilityFireability" = "QuasiLiveness" ] || [ "ReachabilityFireability" = "StableMarking" ] || [ "ReachabilityFireability" = "Liveness" ] || [ "ReachabilityFireability" = "OneSafe" ] ; then
echo "FORMULA_NAME ReachabilityFireability"
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 ;