fond
Model Checking Contest 2019
9th edition, Prague, Czech Republic, April 7, 2019 (TOOLympics)
Execution of r173-oct2-155297753600390
Last Updated
Apr 15, 2019

About the Execution of ITS-Tools for TriangularGrid-PT-2011

Execution Summary
Max Memory
Used (MB)
Time wait (ms) CPU Usage (ms) I/O Wait (ms) Computed Result Execution
Status
332.550 3296.00 7174.00 83.80 T normal

Execution Chart

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

Trace from the execution

Formatting '/data/fko/mcc2019-input.r173-oct2-155297753600390.qcow2', fmt=qcow2 size=4294967296 backing_file=/data/fko/mcc2019-input.qcow2 cluster_size=65536 lazy_refcounts=off refcount_bits=16
Waiting for the VM to be ready (probing ssh)
......................
=====================================================================
Generated by BenchKit 2-3954
Executing tool itstools
Input is TriangularGrid-PT-2011, examination is GlobalProperties
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r173-oct2-155297753600390
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 192K
-rw-r--r-- 1 mcc users 3.5K Feb 12 21:06 CTLCardinality.txt
-rw-r--r-- 1 mcc users 18K Feb 12 21:06 CTLCardinality.xml
-rw-r--r-- 1 mcc users 2.6K Feb 9 05:29 CTLFireability.txt
-rw-r--r-- 1 mcc users 15K Feb 9 05:29 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.0K Mar 10 17:31 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 109 Feb 24 15:06 GlobalProperties.txt
-rw-r--r-- 1 mcc users 347 Feb 24 15:06 GlobalProperties.xml
-rw-r--r-- 1 mcc users 2.6K Feb 5 01:53 LTLCardinality.txt
-rw-r--r-- 1 mcc users 12K Feb 5 01:53 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.0K Feb 4 22:50 LTLFireability.txt
-rw-r--r-- 1 mcc users 7.8K Feb 4 22:50 LTLFireability.xml
-rw-r--r-- 1 mcc users 4.1K Feb 4 22:11 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 20K Feb 4 22:11 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 3.2K Feb 1 23:15 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 19K Feb 1 23:15 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.8K Feb 4 22:31 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.8K Feb 4 22:31 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 Jan 29 09:35 equiv_col

-rw-r--r-- 1 mcc users 5 Jan 29 09:35 instance
-rw-r--r-- 1 mcc users 6 Jan 29 09:35 iscolored
-rwxr-xr-x 1 mcc users 33K Mar 10 17:31 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 TriangularGrid-PT-2011-GlobalProperties-0

=== Now, execution of the tool begins

BK_START 1553237148588

Working with output stream class java.io.PrintStream
Flatten gal took : 52 ms
Applied a total of 0 rules in 14 ms. Remains 52 /52 variables (removed 0) and now considering 42/42 (removed 0) transitions.
// Phase 1: matrix 42 rows 52 cols
Using solver Z3 to compute partial order matrices.
Built C files in :
/home/mcc/execution
Invoking ITS tools like this :CommandLine [args=[/home/mcc/BenchKit/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.201903111103/bin/its-ctl-linux64, --gc-threshold, 2000000, --quiet, -i, /home/mcc/execution/GlobalProperties.pnml.gal, -t, CGAL, -ctl, DEADLOCK], workingDir=/home/mcc/execution]

its-ctl command run as :

/home/mcc/BenchKit/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.201903111103/bin/its-ctl-linux64 --gc-threshold 2000000 --quiet -i /home/mcc/execution/GlobalProperties.pnml.gal -t CGAL -ctl DEADLOCK
No direction supplied, using forward translation only.
Presburger conditions satisfied. Using coverability to approximate state space in K-Induction.
// Phase 1: matrix 42 rows 52 cols
invariant :pb1_2_1 + pb2_2_1 + pb3_2_1 + pbl_2_1 = 4
invariant :po2_2_1 + pol2_2_1 = 1
invariant :pi2_2_3 + pil2_2_3 = 1
invariant :pi1_2_1 + pil1_2_1 = 1
invariant :pi3_2_1 + pil3_2_1 = 1
invariant :po3_1_1 + pol3_1_1 = 1
invariant :po1_2_3 + pol1_2_3 = 1
invariant :pi3_2_3 + pil3_2_3 = 1
invariant :pbl_1_1 + pbl_2_1 + pbl_2_2 + pbl_2_3 + pil1_1_1 + pil1_2_1 + pil1_2_3 + pil2_1_1 + pil2_2_1 + pil2_2_3 + pil3_1_1 + pil3_2_1 + pil3_2_3 + pol1_1_1 + pol1_2_1 + pol1_2_3 + pol2_1_1 + pol2_2_1 + pol2_2_3 + pol3_1_1 + pol3_2_1 + pol3_2_3 = 22
invariant :po2_2_3 + pol2_2_3 = 1
invariant :pi3_1_1 + pil3_1_1 = 1
invariant :po1_2_1 + pol1_2_1 = 1
invariant :po3_2_3 + pol3_2_3 = 1
invariant :pb1_2_3 + pb2_2_3 + pb3_2_3 + pbl_2_3 = 4
invariant :pi1_1_1 + pil1_1_1 = 1
invariant :pi1_2_3 + pil1_2_3 = 1
invariant :po2_1_1 + pol2_1_1 = 1
invariant :pb1_2_2 + pb2_2_2 + pb3_2_2 + pbl_2_2 = 4
invariant :po1_1_1 + pol1_1_1 = 1
invariant :pi2_1_1 + pil2_1_1 = 1
invariant :pb1_1_1 + pb2_1_1 + pb3_1_1 + -1'pbl_2_1 + -1'pbl_2_2 + -1'pbl_2_3 + -1'pil1_1_1 + -1'pil1_2_1 + -1'pil1_2_3 + -1'pil2_1_1 + -1'pil2_2_1 + -1'pil2_2_3 + -1'pil3_1_1 + -1'pil3_2_1 + -1'pil3_2_3 + -1'pol1_1_1 + -1'pol1_2_1 + -1'pol1_2_3 + -1'pol2_1_1 + -1'pol2_2_1 + -1'pol2_2_3 + -1'pol3_1_1 + -1'pol3_2_1 + -1'pol3_2_3 = -18
invariant :pi2_2_1 + pil2_2_1 = 1
invariant :po3_2_1 + pol3_2_1 = 1
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,9.40096e+08,0.169703,10152,2,1003,5,30402,6,0,253,34607,0


Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
dead,99,0.233421,10540,2,618,7,34020,9,1,1229,34607,2

System contains 99 deadlocks (shown below if less than --print-limit option) !
FORMULA TriangularGrid-PT-2011-GlobalProperties-0 TRUE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL
[ 99 states ] showing 10 first states
[ po3_2_3=1 po2_2_3=1 pi3_2_3=1 pi2_2_3=1 pb2_2_3=4 pi1_2_3=1 pol1_2_3=1 pb1_2_2=3 pbl_2_2=1 pol2_2_1=1 pol3_1_1=1 pil2_2_1=1 pol3_2_1=1 pil3_2_1=1 pbl_2_1=4 pil3_1_1=1 pol1_2_1=1 pil1_2_1=1 pol2_1_1=1 pbl_1_1=4 pil2_1_1=1 pil1_1_1=1 pol1_1_1=1 ]
[ po3_2_3=1 po2_2_3=1 pi3_2_3=1 pi2_2_3=1 pb3_2_3=1 pb2_2_3=3 pi1_2_3=1 pol1_2_3=1 pb1_2_2=3 pbl_2_2=1 pol2_2_1=1 pol3_1_1=1 pil2_2_1=1 pol3_2_1=1 pil3_2_1=1 pbl_2_1=4 pil3_1_1=1 pol1_2_1=1 pil1_2_1=1 pol2_1_1=1 pbl_1_1=4 pil2_1_1=1 pil1_1_1=1 pol1_1_1=1 ]
[ po3_2_3=1 po2_2_3=1 pi3_2_3=1 pi2_2_3=1 pb3_2_3=2 pb2_2_3=2 pi1_2_3=1 pol1_2_3=1 pb1_2_2=3 pbl_2_2=1 pol2_2_1=1 pol3_1_1=1 pil2_2_1=1 pol3_2_1=1 pil3_2_1=1 pbl_2_1=4 pil3_1_1=1 pol1_2_1=1 pil1_2_1=1 pol2_1_1=1 pbl_1_1=4 pil2_1_1=1 pil1_1_1=1 pol1_1_1=1 ]
[ po3_2_3=1 po2_2_3=1 pi3_2_3=1 pi2_2_3=1 pb3_2_3=3 pb2_2_3=1 pi1_2_3=1 pol1_2_3=1 pb1_2_2=3 pbl_2_2=1 pol2_2_1=1 pol3_1_1=1 pil2_2_1=1 pol3_2_1=1 pil3_2_1=1 pbl_2_1=4 pil3_1_1=1 pol1_2_1=1 pil1_2_1=1 pol2_1_1=1 pbl_1_1=4 pil2_1_1=1 pil1_1_1=1 pol1_1_1=1 ]
[ po3_2_3=1 po2_2_3=1 pi3_2_3=1 pi2_2_3=1 pb3_2_3=4 pi1_2_3=1 pol1_2_3=1 pb1_2_2=3 pbl_2_2=1 pol2_2_1=1 pol3_1_1=1 pil2_2_1=1 pol3_2_1=1 pil3_2_1=1 pbl_2_1=4 pil3_1_1=1 pol1_2_1=1 pil1_2_1=1 pol2_1_1=1 pbl_1_1=4 pil2_1_1=1 pil1_1_1=1 pol1_1_1=1 ]
[ po3_2_3=1 pol2_2_3=1 pi3_2_3=1 pi2_2_3=1 pb3_2_3=4 pi1_2_3=1 pol1_2_3=1 pb1_2_2=4 pol2_2_1=1 pol3_1_1=1 pil2_2_1=1 pol3_2_1=1 pil3_2_1=1 pbl_2_1=4 pil3_1_1=1 pol1_2_1=1 pil1_2_1=1 pol2_1_1=1 pbl_1_1=4 pil2_1_1=1 pil1_1_1=1 pol1_1_1=1 ]
[ po3_2_3=1 pol2_2_3=1 pi3_2_3=1 pil2_2_3=1 pb1_2_3=4 pi1_2_3=1 po1_2_3=1 pb1_2_2=4 pol2_2_1=1 pol3_1_1=1 pil2_2_1=1 pol3_2_1=1 pil3_2_1=1 pbl_2_1=4 pil3_1_1=1 pol1_2_1=1 pil1_2_1=1 pol2_1_1=1 pbl_1_1=4 pil2_1_1=1 pil1_1_1=1 pol1_1_1=1 ]
[ po3_2_3=1 pol2_2_3=1 pi3_2_3=1 pil2_2_3=1 pb3_2_3=1 pb1_2_3=3 pi1_2_3=1 po1_2_3=1 pb1_2_2=4 pol2_2_1=1 pol3_1_1=1 pil2_2_1=1 pol3_2_1=1 pil3_2_1=1 pbl_2_1=4 pil3_1_1=1 pol1_2_1=1 pil1_2_1=1 pol2_1_1=1 pbl_1_1=4 pil2_1_1=1 pil1_1_1=1 pol1_1_1=1 ]
[ po3_2_3=1 pol2_2_3=1 pi3_2_3=1 pil2_2_3=1 pb3_2_3=2 pb1_2_3=2 pi1_2_3=1 po1_2_3=1 pb1_2_2=4 pol2_2_1=1 pol3_1_1=1 pil2_2_1=1 pol3_2_1=1 pil3_2_1=1 pbl_2_1=4 pil3_1_1=1 pol1_2_1=1 pil1_2_1=1 pol2_1_1=1 pbl_1_1=4 pil2_1_1=1 pil1_1_1=1 pol1_1_1=1 ]
[ po3_2_3=1 pol2_2_3=1 pi3_2_3=1 pil2_2_3=1 pb3_2_3=3 pb1_2_3=1 pi1_2_3=1 po1_2_3=1 pb1_2_2=4 pol2_2_1=1 pol3_1_1=1 pil2_2_1=1 pol3_2_1=1 pil3_2_1=1 pbl_2_1=4 pil3_1_1=1 pol1_2_1=1 pil1_2_1=1 pol2_1_1=1 pbl_1_1=4 pil2_1_1=1 pil1_1_1=1 pol1_1_1=1 ]
Running compilation step : CommandLine [args=[gcc, -c, -I/home/mcc/BenchKit//lts_install_dir//include, -I., -std=c99, -fPIC, -O2, model.c], workingDir=/home/mcc/execution]
WARNING : LTS min runner thread was asked to interrupt. Dying gracefully.

BK_STOP 1553237151884

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

+ export BINDIR=/home/mcc/BenchKit/
+ BINDIR=/home/mcc/BenchKit/
++ pwd
+ export MODEL=/home/mcc/execution
+ MODEL=/home/mcc/execution
+ [[ GlobalProperties = StateSpace ]]
+ /home/mcc/BenchKit//runeclipse.sh /home/mcc/execution GlobalProperties -its -ltsminpath /home/mcc/BenchKit//lts_install_dir/ -smt
+ 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 GlobalProperties -z3path /home/mcc/BenchKit//z3/bin/z3 -yices2path /home/mcc/BenchKit//yices/bin/yices -its -ltsminpath /home/mcc/BenchKit//lts_install_dir/ -smt -vmargs -Dosgi.locking=none -Declipse.stateSaveDelayInterval=-1 -Dosgi.configuration.area=/tmp/.eclipse -Xss8m -Xms40m -Xmx8192m -Dfile.encoding=UTF-8 -Dosgi.requiredJavaVersion=1.6
Mar 22, 2019 6:45:50 AM fr.lip6.move.gal.application.Application start
INFO: Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, GlobalProperties, -z3path, /home/mcc/BenchKit//z3/bin/z3, -yices2path, /home/mcc/BenchKit//yices/bin/yices, -its, -ltsminpath, /home/mcc/BenchKit//lts_install_dir/, -smt]
Mar 22, 2019 6:45:50 AM fr.lip6.move.gal.application.MccTranslator transformPNML
INFO: Parsing pnml file : /home/mcc/execution/model.pnml
Mar 22, 2019 6:45:50 AM fr.lip6.move.gal.nupn.PTNetReader loadFromXML
INFO: Load time of PNML (sax parser for PT used): 53 ms
Mar 22, 2019 6:45:50 AM fr.lip6.move.gal.pnml.togal.PTGALTransformer handlePage
INFO: Transformed 52 places.
Mar 22, 2019 6:45:50 AM fr.lip6.move.gal.pnml.togal.PTGALTransformer handlePage
INFO: Transformed 42 transitions.
Mar 22, 2019 6:45:50 AM fr.lip6.move.serialization.SerializationUtil systemToFile
INFO: Time to serialize gal into /home/mcc/execution/model.pnml.img.gal : 8 ms
Mar 22, 2019 6:45:51 AM fr.lip6.move.gal.instantiate.PropertySimplifier evalInInitialState
WARNING: Unexpected boolean logic operator in evalInInitialState fr.lip6.move.gal.impl.EXImpl
Mar 22, 2019 6:45:51 AM fr.lip6.move.gal.instantiate.PropertySimplifier rewriteWithInitialState
INFO: Reachable property TriangularGrid-PT-2011-GlobalProperties-0 is trivially true : it is verified in initial state.
Mar 22, 2019 6:45:51 AM fr.lip6.move.gal.instantiate.GALRewriter flatten
INFO: Flatten gal took : 49 ms
Mar 22, 2019 6:45:51 AM fr.lip6.move.serialization.SerializationUtil systemToFile
INFO: Time to serialize gal into /home/mcc/execution/model.pnml.simple.gal : 2 ms
Mar 22, 2019 6:45:51 AM fr.lip6.move.gal.semantics.DeterministicNextBuilder getDeterministicNext
INFO: Input system was already deterministic with 42 transitions.
Mar 22, 2019 6:45:51 AM fr.lip6.move.gal.instantiate.PropertySimplifier rewriteWithInitialState
INFO: Reachable property TriangularGrid-PT-2011-GlobalProperties-0 is trivially true : it is verified in initial state.
Mar 22, 2019 6:45:51 AM fr.lip6.move.gal.instantiate.GALRewriter flatten
INFO: Flatten gal took : 11 ms
Mar 22, 2019 6:45:51 AM fr.lip6.move.serialization.SerializationUtil systemToFile
INFO: Time to serialize gal into /home/mcc/execution/GlobalProperties.pnml.gal : 1 ms
Mar 22, 2019 6:45:51 AM fr.lip6.move.gal.semantics.DeterministicNextBuilder getDeterministicNext
INFO: Input system was already deterministic with 42 transitions.
Mar 22, 2019 6:45:51 AM fr.lip6.move.gal.gal2smt.bmc.KInductionSolver computeAndDeclareInvariants
INFO: Computed 23 place invariants in 6 ms
Mar 22, 2019 6:45:51 AM fr.lip6.move.gal.gal2smt.bmc.KInductionSolver init
INFO: Proved 52 variables to be positive in 60 ms
Mar 22, 2019 6:45:51 AM fr.lip6.move.gal.gal2smt.bmc.NecessaryEnablingsolver computeAblingMatrix
INFO: Computing symmetric may disable matrix : 42 transitions.
Mar 22, 2019 6:45:51 AM fr.lip6.move.gal.gal2smt.bmc.NecessaryEnablingsolver printStats
INFO: Computation of disable matrix completed :0/42 took 0 ms. Total solver calls (SAT/UNSAT): 0(0/0)
Mar 22, 2019 6:45:51 AM fr.lip6.move.gal.gal2smt.bmc.NecessaryEnablingsolver printStats
INFO: Computation of Complete disable matrix. took 3 ms. Total solver calls (SAT/UNSAT): 0(0/0)
Mar 22, 2019 6:45:51 AM fr.lip6.move.gal.gal2smt.bmc.NecessaryEnablingsolver computeAblingMatrix
INFO: Computing symmetric may enable matrix : 42 transitions.
Mar 22, 2019 6:45:51 AM fr.lip6.move.gal.gal2smt.bmc.NecessaryEnablingsolver printStats
INFO: Computation of Complete enable matrix. took 0 ms. Total solver calls (SAT/UNSAT): 0(0/0)
Mar 22, 2019 6:45:51 AM fr.lip6.move.gal.gal2smt.bmc.NecessaryEnablingsolver computeCoEnablingMatrix
INFO: Computing symmetric co enabling matrix : 42 transitions.
SMT solver raised 'unknown', retrying with same input.
Skipping mayMatrices nes/nds SMT solver raised an error :unknown
java.lang.RuntimeException: SMT solver raised an error :unknown
at fr.lip6.move.gal.gal2smt.bmc.NecessaryEnablingsolver.computeCoEnablingMatrix(NecessaryEnablingsolver.java:490)
at fr.lip6.move.gal.gal2pins.Gal2PinsTransformerNext.printLabels(Gal2PinsTransformerNext.java:530)
at fr.lip6.move.gal.gal2pins.Gal2PinsTransformerNext.printDependencyMatrix(Gal2PinsTransformerNext.java:209)
at fr.lip6.move.gal.gal2pins.Gal2PinsTransformerNext.buildBodyFile(Gal2PinsTransformerNext.java:85)
at fr.lip6.move.gal.gal2pins.Gal2PinsTransformerNext.transform(Gal2PinsTransformerNext.java:830)
at fr.lip6.move.gal.application.LTSminRunner$1.run(LTSminRunner.java:71)
at java.lang.Thread.run(Thread.java:748)
Mar 22, 2019 6:45:51 AM fr.lip6.move.gal.gal2pins.Gal2PinsTransformerNext transform
INFO: Built C files in 327ms conformant to PINS in folder :/home/mcc/execution

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="TriangularGrid-PT-2011"
export BK_EXAMINATION="GlobalProperties"
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 2-3954"
echo " Executing tool itstools"
echo " Input is TriangularGrid-PT-2011, examination is GlobalProperties"
echo " Time confinement is $BK_TIME_CONFINEMENT seconds"
echo " Memory confinement is 16384 MBytes"
echo " Number of cores is 4"
echo " Run identifier is r173-oct2-155297753600390"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/TriangularGrid-PT-2011.tgz
mv TriangularGrid-PT-2011 execution
cd execution
if [ "GlobalProperties" = "GlobalProperties" ] ; then
rm -f GenericPropertiesVerdict.xml
fi
if [ "GlobalProperties" = "UpperBounds" ] ; 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 [ "GlobalProperties" = "UpperBounds" ] ; then
echo "The expected result is a vector of positive values"
echo NUM_VECTOR
elif [ "GlobalProperties" != "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 "GlobalProperties.txt" ] ; then
echo "here is the order used to build the result vector(from text file)"
for x in $(grep Property GlobalProperties.txt | cut -d ' ' -f 2 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ -f "GlobalProperties.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 '' GlobalProperties.xml | cut -d '>' -f 2 | cut -d '<' -f 1 | sort -u) ; do
echo "FORMULA_NAME $x"
done
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 ;