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.r069-smll-167814396300359.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)
.............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................
=====================================================================
Generated by BenchKit 2-5348
Executing tool itstools
Input is ClientsAndServers-PT-N5000P0, examination is ReachabilityFireability
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r069-smll-167814396300359
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 472K
-rw-r--r-- 1 mcc users 8.4K Feb 26 13:26 CTLCardinality.txt
-rw-r--r-- 1 mcc users 94K Feb 26 13:26 CTLCardinality.xml
-rw-r--r-- 1 mcc users 5.6K Feb 26 13:25 CTLFireability.txt
-rw-r--r-- 1 mcc users 50K Feb 26 13:25 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K Jan 29 11:40 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 6.6K Jan 29 11:40 GenericPropertiesVerdict.xml
-rw-r--r-- 1 mcc users 3.3K Feb 25 15:44 LTLCardinality.txt
-rw-r--r-- 1 mcc users 23K Feb 25 15:44 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.3K Feb 25 15:44 LTLFireability.txt
-rw-r--r-- 1 mcc users 17K Feb 25 15:44 LTLFireability.xml
-rw-r--r-- 1 mcc users 12K Feb 26 13:27 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 120K Feb 26 13:27 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 7.3K Feb 26 13:27 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 61K Feb 26 13:27 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.8K Feb 25 15:44 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.8K Feb 25 15:44 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 Mar 5 18:22 equiv_col
-rw-r--r-- 1 mcc users 8 Mar 5 18:22 instance
-rw-r--r-- 1 mcc users 6 Mar 5 18:22 iscolored
-rw-r--r-- 1 mcc users 9.2K Mar 5 18:22 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 ClientsAndServers-PT-N5000P0-ReachabilityFireability-00
FORMULA_NAME ClientsAndServers-PT-N5000P0-ReachabilityFireability-01
FORMULA_NAME ClientsAndServers-PT-N5000P0-ReachabilityFireability-02
FORMULA_NAME ClientsAndServers-PT-N5000P0-ReachabilityFireability-03
FORMULA_NAME ClientsAndServers-PT-N5000P0-ReachabilityFireability-04
FORMULA_NAME ClientsAndServers-PT-N5000P0-ReachabilityFireability-05
FORMULA_NAME ClientsAndServers-PT-N5000P0-ReachabilityFireability-06
FORMULA_NAME ClientsAndServers-PT-N5000P0-ReachabilityFireability-07
FORMULA_NAME ClientsAndServers-PT-N5000P0-ReachabilityFireability-08
FORMULA_NAME ClientsAndServers-PT-N5000P0-ReachabilityFireability-09
FORMULA_NAME ClientsAndServers-PT-N5000P0-ReachabilityFireability-10
FORMULA_NAME ClientsAndServers-PT-N5000P0-ReachabilityFireability-11
FORMULA_NAME ClientsAndServers-PT-N5000P0-ReachabilityFireability-12
FORMULA_NAME ClientsAndServers-PT-N5000P0-ReachabilityFireability-13
FORMULA_NAME ClientsAndServers-PT-N5000P0-ReachabilityFireability-14
FORMULA_NAME ClientsAndServers-PT-N5000P0-ReachabilityFireability-15

=== Now, execution of the tool begins

BK_START 1678429578514

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=itstools
BK_EXAMINATION=ReachabilityFireability
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=ClientsAndServers-PT-N5000P0
Not applying reductions.
Model is PT
ReachabilityFireability PT
Running Version 202303021504
[2023-03-10 06:26:21] [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]
[2023-03-10 06:26:21] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2023-03-10 06:26:21] [INFO ] Load time of PNML (sax parser for PT used): 31 ms
[2023-03-10 06:26:21] [INFO ] Transformed 25 places.
[2023-03-10 06:26:21] [INFO ] Transformed 18 transitions.
[2023-03-10 06:26:21] [INFO ] Parsed PT model containing 25 places and 18 transitions and 54 arcs in 124 ms.
Parsed 16 properties from file /home/mcc/execution/ReachabilityFireability.xml in 17 ms.
Working with output stream class java.io.PrintStream
Initial state reduction rules removed 6 formulas.
FORMULA ClientsAndServers-PT-N5000P0-ReachabilityFireability-07 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA ClientsAndServers-PT-N5000P0-ReachabilityFireability-08 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA ClientsAndServers-PT-N5000P0-ReachabilityFireability-09 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA ClientsAndServers-PT-N5000P0-ReachabilityFireability-10 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA ClientsAndServers-PT-N5000P0-ReachabilityFireability-12 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA ClientsAndServers-PT-N5000P0-ReachabilityFireability-14 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA ClientsAndServers-PT-N5000P0-ReachabilityFireability-15 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Incomplete random walk after 40001 steps, including 0 resets, run finished after 44 ms. (steps per millisecond=909 ) properties (out of 9) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 345 ms. (steps per millisecond=28 ) properties (out of 9) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 60 ms. (steps per millisecond=166 ) properties (out of 9) seen :4
FORMULA ClientsAndServers-PT-N5000P0-ReachabilityFireability-11 TRUE TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA ClientsAndServers-PT-N5000P0-ReachabilityFireability-06 TRUE TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA ClientsAndServers-PT-N5000P0-ReachabilityFireability-05 FALSE TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA ClientsAndServers-PT-N5000P0-ReachabilityFireability-01 TRUE TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 68 ms. (steps per millisecond=147 ) properties (out of 5) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 159 ms. (steps per millisecond=62 ) properties (out of 5) seen :0
[2023-03-10 06:26:22] [INFO ] Flatten gal took : 90 ms
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 116 ms. (steps per millisecond=86 ) properties (out of 5) seen :0
[2023-03-10 06:26:22] [INFO ] Flatten gal took : 6 ms
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 50 ms. (steps per millisecond=200 ) properties (out of 5) seen :2
FORMULA ClientsAndServers-PT-N5000P0-ReachabilityFireability-13 TRUE TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA ClientsAndServers-PT-N5000P0-ReachabilityFireability-02 TRUE TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
[2023-03-10 06:26:22] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality12485815098745011470.gal : 7 ms
[2023-03-10 06:26:22] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality18312975767667402414.prop : 1 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202303021504/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality12485815098745011470.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality18312975767667402414.prop' '--nowitness' '--gen-order' 'FOLLOW'

Running SMT prover for 3 properties.
its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202303021504/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...330
// Phase 1: matrix 18 rows 25 cols
[2023-03-10 06:26:22] [INFO ] Computed 8 place invariants in 6 ms
Loading property file /tmp/ReachabilityCardinality18312975767667402414.prop.
An unexpected exception occurred : Overflow error when converting initial marking. Please recompile libDDD with larger DDD::val_t definition.
ITS-tools command line returned an error code 1
[2023-03-10 06:26:22] [INFO ] Flatten gal took : 6 ms
[2023-03-10 06:26:22] [INFO ] Applying decomposition
[2023-03-10 06:26:22] [INFO ] Flatten gal took : 14 ms
Converted graph to binary with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202303021504/bin/convert-linux64' '-i' '/tmp/graph13149745455798614755.txt' '-o' '/tmp/graph13149745455798614755.bin' '-w' '/tmp/graph13149745455798614755.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202303021504/bin/louvain-linux64' '/tmp/graph13149745455798614755.bin' '-l' '-1' '-v' '-w' '/tmp/graph13149745455798614755.weights' '-q' '0' '-e' '0.001'
[2023-03-10 06:26:22] [INFO ] Decomposing Gal with order
[2023-03-10 06:26:22] [INFO ] Rewriting arrays to variables to allow decomposition.
[2023-03-10 06:26:22] [INFO ] Removed a total of 1 redundant transitions.
[2023-03-10 06:26:22] [INFO ] [Real]Absence check using 5 positive place invariants in 7 ms returned sat
[2023-03-10 06:26:22] [INFO ] [Real]Absence check using 5 positive and 3 generalized place invariants in 2 ms returned sat
[2023-03-10 06:26:22] [INFO ] Flatten gal took : 107 ms
[2023-03-10 06:26:22] [INFO ] Fuse similar labels procedure discarded/fused a total of 0 labels/synchronizations in 2 ms.
[2023-03-10 06:26:22] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality10141782607346167727.gal : 5 ms
[2023-03-10 06:26:22] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality13371556102167368294.prop : 1 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202303021504/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality10141782607346167727.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality13371556102167368294.prop' '--nowitness'
[2023-03-10 06:26:22] [INFO ] After 322ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:3

its-reach command run as :
ITS-tools command line returned an error code 1

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202303021504/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...309
Loading property file /tmp/ReachabilityCardinality13371556102167368294.prop.
An unexpected exception occurred : Overflow error when converting initial marking. Please recompile libDDD with larger DDD::val_t definition.
Built C files in :
/tmp/ltsmin17629329531240376923
[2023-03-10 06:26:22] [INFO ] Built C files in 5ms conformant to PINS (ltsmin variant)in folder :/tmp/ltsmin17629329531240376923
Running compilation step : cd /tmp/ltsmin17629329531240376923;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202303021504/bin/limit_time.pl' '360' 'gcc' '-c' '-I/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202303021504/bin/include/' '-I.' '-std=c99' '-fPIC' '-O0' 'model.c'
[2023-03-10 06:26:22] [INFO ] [Nat]Absence check using 5 positive place invariants in 3 ms returned sat
[2023-03-10 06:26:22] [INFO ] [Nat]Absence check using 5 positive and 3 generalized place invariants in 6 ms returned sat
[2023-03-10 06:26:22] [INFO ] After 70ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :3
[2023-03-10 06:26:22] [INFO ] After 113ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :3
Attempting to minimize the solution found.
Minimization took 46 ms.
[2023-03-10 06:26:22] [INFO ] After 305ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :3
Fused 3 Parikh solutions to 2 different solutions.
Compilation finished in 492 ms.
Running link step : cd /tmp/ltsmin17629329531240376923;'gcc' '-shared' '-o' 'gal.so' 'model.o'
Link finished in 109 ms.
Running LTSmin : cd /tmp/ltsmin17629329531240376923;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202303021504/bin/pins2lts-mc-linux64' './gal.so' '--threads=8' '--when' '-i' 'ClientsAndServersPTN5000P0ReachabilityFireability00==true'
Finished Parikh walk after 60000 steps, including 0 resets, run visited all 3 properties in 485 ms. (steps per millisecond=123 )
FORMULA ClientsAndServers-PT-N5000P0-ReachabilityFireability-04 FALSE TECHNIQUES TOPOLOGICAL PARIKH_WALK
FORMULA ClientsAndServers-PT-N5000P0-ReachabilityFireability-03 FALSE TECHNIQUES TOPOLOGICAL PARIKH_WALK
FORMULA ClientsAndServers-PT-N5000P0-ReachabilityFireability-00 FALSE TECHNIQUES TOPOLOGICAL PARIKH_WALK
Parikh walk visited 3 properties in 2523 ms.
LTSmin runner failed with exception null
java.lang.InterruptedException
at java.base/java.lang.Object.wait(Native Method)
at java.base/java.lang.Thread.join(Thread.java:1298)
at fr.lip6.move.gal.application.runner.AbstractRunner.join(AbstractRunner.java:33)
at fr.lip6.move.gal.application.solver.global.GlobalPropertySolver.verifyWithSDD(GlobalPropertySolver.java:708)
at fr.lip6.move.gal.application.solver.ReachabilitySolver.lambda$2(ReachabilitySolver.java:63)
at java.base/java.lang.Thread.run(Thread.java:833)
All properties solved without resorting to model-checking.
Total runtime 4327 ms.

BK_STOP 1678429587424

--------------------
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_1.0.0.202303021504.jar
+ VERSION=202303021504
+ echo 'Running Version 202303021504'
+ /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="ClientsAndServers-PT-N5000P0"
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 2-5348"
echo " Executing tool itstools"
echo " Input is ClientsAndServers-PT-N5000P0, 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 r069-smll-167814396300359"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/ClientsAndServers-PT-N5000P0.tgz
mv ClientsAndServers-PT-N5000P0 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 ;