Execution Chart

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

Trace from the execution

Waiting for the VM to be ready (probing ssh)
.....................
/home/mcc/execution
total 184K
-rw-r--r-- 1 mcc users 3.8K May 15 18:54 CTLCardinality.txt
-rw-r--r-- 1 mcc users 21K May 15 18:54 CTLCardinality.xml
-rw-r--r-- 1 mcc users 2.3K May 15 18:54 CTLFireability.txt
-rw-r--r-- 1 mcc users 14K May 15 18:54 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.0K May 15 18:50 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 5.8K May 15 18:50 GenericPropertiesVerdict.xml
-rw-r--r-- 1 mcc users 2.3K May 26 09:27 LTLCardinality.txt
-rw-r--r-- 1 mcc users 9.3K May 26 09:27 LTLCardinality.xml
-rw-r--r-- 1 mcc users 1.9K May 26 09:27 LTLFireability.txt
-rw-r--r-- 1 mcc users 8.7K May 26 09:27 LTLFireability.xml
-rw-r--r-- 1 mcc users 4.1K May 15 18:54 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 22K May 15 18:54 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 109 May 15 18:54 ReachabilityDeadlock.txt
-rw-r--r-- 1 mcc users 347 May 15 18:54 ReachabilityDeadlock.xml
-rw-r--r-- 1 mcc users 3.4K May 15 18:54 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 24K May 15 18:54 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.7K May 15 18:54 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.7K May 15 18:54 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 May 15 18:50 equiv_col
-rw-r--r-- 1 mcc users 3 May 15 18:50 instance
-rw-r--r-- 1 mcc users 6 May 15 18:50 iscolored
-rw-r--r-- 1 mcc users 3.9K May 15 18:50 model.pnml
=====================================================================
Generated by BenchKit 2-3637
Executing tool itstools
Input is SwimmingPool-PT-01, examination is LTLFireability
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r212-smll-152732263600650
=====================================================================

--------------------
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 SwimmingPool-PT-01-LTLFireability-00
FORMULA_NAME SwimmingPool-PT-01-LTLFireability-01
FORMULA_NAME SwimmingPool-PT-01-LTLFireability-02
FORMULA_NAME SwimmingPool-PT-01-LTLFireability-03
FORMULA_NAME SwimmingPool-PT-01-LTLFireability-04
FORMULA_NAME SwimmingPool-PT-01-LTLFireability-05
FORMULA_NAME SwimmingPool-PT-01-LTLFireability-06
FORMULA_NAME SwimmingPool-PT-01-LTLFireability-07
FORMULA_NAME SwimmingPool-PT-01-LTLFireability-08
FORMULA_NAME SwimmingPool-PT-01-LTLFireability-09
FORMULA_NAME SwimmingPool-PT-01-LTLFireability-10
FORMULA_NAME SwimmingPool-PT-01-LTLFireability-11
FORMULA_NAME SwimmingPool-PT-01-LTLFireability-12
FORMULA_NAME SwimmingPool-PT-01-LTLFireability-13
FORMULA_NAME SwimmingPool-PT-01-LTLFireability-14
FORMULA_NAME SwimmingPool-PT-01-LTLFireability-15

=== Now, execution of the tool begins

BK_START 1527899257284

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_1.0.0.201805151631/bin/its-ltl-linux64, --gc-threshold, 2000000, -i, /home/mcc/execution/LTLFireability.pnml.gal, -t, CGAL, -LTL, /home/mcc/execution/LTLFireability.ltl, -c, -stutter-deadlock], workingDir=/home/mcc/execution]

its-ltl command run as :

/home/mcc/BenchKit/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.201805151631/bin/its-ltl-linux64 --gc-threshold 2000000 -i /home/mcc/execution/LTLFireability.pnml.gal -t CGAL -LTL /home/mcc/execution/LTLFireability.ltl -c -stutter-deadlock
Read 16 LTL properties
Checking formula 0 : !((G(X((X("((Cabins>=1)&&(InBath>=1))"))U(F("(Out>=1)"))))))
Formula 0 simplified : !GX(X"((Cabins>=1)&&(InBath>=1))" U F"(Out>=1)")
Presburger conditions satisfied. Using coverability to approximate state space in K-Induction.
// Phase 1: matrix 7 rows 9 cols
invariant :WaitBag + -1'InBath + Dressed + Cabins + -1'Bags = -5
invariant :Entered + InBath + Out + -1'Cabins = 10
invariant :Undress + InBath + Dress + Bags = 15
Running compilation step : CommandLine [args=[gcc, -c, -I/home/mcc/BenchKit//lts_install_dir//include, -I., -std=c99, -fPIC, -O3, model.c], workingDir=/home/mcc/execution]
Reverse transition relation is exact ! Faster fixpoint algorithm enabled.
Compilation finished in 402 ms.
Running link step : CommandLine [args=[gcc, -shared, -o, gal.so, model.o], workingDir=/home/mcc/execution]
Link finished in 39 ms.
Running LTSmin : CommandLine [args=[/home/mcc/BenchKit//lts_install_dir//bin/pins2lts-mc, ./gal.so, --threads=1, --when, --ltl, [](X((X((LTLAP0==true)))U(<>((LTLAP1==true))))), --buchi-type=spotba], workingDir=/home/mcc/execution]
LTSmin run took 844 ms.
FORMULA SwimmingPool-PT-01-LTLFireability-00 TRUE TECHNIQUES PARTIAL_ORDER EXPLICIT LTSMIN SAT_SMT
Running LTSmin : CommandLine [args=[/home/mcc/BenchKit//lts_install_dir//bin/pins2lts-mc, ./gal.so, --threads=1, --when, --ltl, X(X(<>([]([]((LTLAP2==true)))))), --buchi-type=spotba], workingDir=/home/mcc/execution]
LTSmin run took 14 ms.
FORMULA SwimmingPool-PT-01-LTLFireability-01 FALSE TECHNIQUES PARTIAL_ORDER EXPLICIT LTSMIN SAT_SMT
Running LTSmin : CommandLine [args=[/home/mcc/BenchKit//lts_install_dir//bin/pins2lts-mc, ./gal.so, --threads=1, --when, --ltl, (X([](<>((LTLAP3==true)))))U((LTLAP4==true)), --buchi-type=spotba], workingDir=/home/mcc/execution]
2 unique states visited
0 strongly connected components in search stack
2 transitions explored
2 items max in DFS search stack
201 ticks for the emptiness check
Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
STATS,0,2.03584,48940,1,0,167,162243,24,1,318,173385,419
no accepting run found
Formula 0 is TRUE no accepting run found.
FORMULA SwimmingPool-PT-01-LTLFireability-00 TRUE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL
Checking formula 1 : !((X(X(F(G(G("((WaitBag>=1)&&(Bags>=1))")))))))
Formula 1 simplified : !XXFG"((WaitBag>=1)&&(Bags>=1))"
LTSmin run took 1100 ms.
FORMULA SwimmingPool-PT-01-LTLFireability-02 TRUE TECHNIQUES PARTIAL_ORDER EXPLICIT LTSMIN SAT_SMT
Running LTSmin : CommandLine [args=[/home/mcc/BenchKit//lts_install_dir//bin/pins2lts-mc, ./gal.so, --threads=1, -p, --pins-guards, --when, --ltl, (LTLAP1==true), --buchi-type=spotba], workingDir=/home/mcc/execution]
LTSmin run took 12 ms.
FORMULA SwimmingPool-PT-01-LTLFireability-03 TRUE TECHNIQUES PARTIAL_ORDER EXPLICIT LTSMIN SAT_SMT
Running LTSmin : CommandLine [args=[/home/mcc/BenchKit//lts_install_dir//bin/pins2lts-mc, ./gal.so, --threads=1, -p, --pins-guards, --when, --ltl, <>([](((LTLAP5==true))U(<>((LTLAP1==true))))), --buchi-type=spotba], workingDir=/home/mcc/execution]
LTSmin run took 102 ms.
FORMULA SwimmingPool-PT-01-LTLFireability-04 TRUE TECHNIQUES PARTIAL_ORDER EXPLICIT LTSMIN SAT_SMT
Running LTSmin : CommandLine [args=[/home/mcc/BenchKit//lts_install_dir//bin/pins2lts-mc, ./gal.so, --threads=1, -p, --pins-guards, --when, --ltl, (LTLAP6==true), --buchi-type=spotba], workingDir=/home/mcc/execution]
LTSmin run took 13 ms.
FORMULA SwimmingPool-PT-01-LTLFireability-05 FALSE TECHNIQUES PARTIAL_ORDER EXPLICIT LTSMIN SAT_SMT
Running LTSmin : CommandLine [args=[/home/mcc/BenchKit//lts_install_dir//bin/pins2lts-mc, ./gal.so, --threads=1, -p, --pins-guards, --when, --ltl, (<>((LTLAP1==true)))U(<>(<>(<>((LTLAP2==true))))), --buchi-type=spotba], workingDir=/home/mcc/execution]
LTSmin run took 13 ms.
FORMULA SwimmingPool-PT-01-LTLFireability-06 TRUE TECHNIQUES PARTIAL_ORDER EXPLICIT LTSMIN SAT_SMT
Running LTSmin : CommandLine [args=[/home/mcc/BenchKit//lts_install_dir//bin/pins2lts-mc, ./gal.so, --threads=1, -p, --pins-guards, --when, --ltl, ([]((LTLAP2==true)))U((LTLAP4==true)), --buchi-type=spotba], workingDir=/home/mcc/execution]
LTSmin run took 16 ms.
FORMULA SwimmingPool-PT-01-LTLFireability-07 FALSE TECHNIQUES PARTIAL_ORDER EXPLICIT LTSMIN SAT_SMT
Running LTSmin : CommandLine [args=[/home/mcc/BenchKit//lts_install_dir//bin/pins2lts-mc, ./gal.so, --threads=1, --when, --ltl, <>(<>((X((LTLAP6==true)))U((LTLAP5==true)))), --buchi-type=spotba], workingDir=/home/mcc/execution]
LTSmin run took 17 ms.
FORMULA SwimmingPool-PT-01-LTLFireability-08 TRUE TECHNIQUES PARTIAL_ORDER EXPLICIT LTSMIN SAT_SMT
Running LTSmin : CommandLine [args=[/home/mcc/BenchKit//lts_install_dir//bin/pins2lts-mc, ./gal.so, --threads=1, --when, --ltl, [](X(<>(X(<>((LTLAP5==true)))))), --buchi-type=spotba], workingDir=/home/mcc/execution]
4 unique states visited
4 strongly connected components in search stack
4 transitions explored
4 items max in DFS search stack
224 ticks for the emptiness check
Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
STATS,0,4.28108,94928,1,0,495,388334,37,126,322,477451,1010
an accepting run exists (use option '-e' to print it)
Formula 1 is FALSE accepting run found.
FORMULA SwimmingPool-PT-01-LTLFireability-01 FALSE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL
Checking formula 2 : !(((X(G(F("(Dressed>=1)"))))U("((Entered>=1)&&(Cabins>=1))")))
Formula 2 simplified : !(XGF"(Dressed>=1)" U "((Entered>=1)&&(Cabins>=1))")
LTSmin run took 1024 ms.
FORMULA SwimmingPool-PT-01-LTLFireability-09 TRUE TECHNIQUES PARTIAL_ORDER EXPLICIT LTSMIN SAT_SMT
Running LTSmin : CommandLine [args=[/home/mcc/BenchKit//lts_install_dir//bin/pins2lts-mc, ./gal.so, --threads=1, -p, --pins-guards, --when, --ltl, <>(<>((LTLAP6==true))), --buchi-type=spotba], workingDir=/home/mcc/execution]
LTSmin run took 13 ms.
FORMULA SwimmingPool-PT-01-LTLFireability-10 TRUE TECHNIQUES PARTIAL_ORDER EXPLICIT LTSMIN SAT_SMT
Running LTSmin : CommandLine [args=[/home/mcc/BenchKit//lts_install_dir//bin/pins2lts-mc, ./gal.so, --threads=1, --when, --ltl, X(<>(((LTLAP3==true))U(X((LTLAP1==true))))), --buchi-type=spotba], workingDir=/home/mcc/execution]
LTSmin run took 14 ms.
FORMULA SwimmingPool-PT-01-LTLFireability-11 TRUE TECHNIQUES PARTIAL_ORDER EXPLICIT LTSMIN SAT_SMT
Running LTSmin : CommandLine [args=[/home/mcc/BenchKit//lts_install_dir//bin/pins2lts-mc, ./gal.so, --threads=1, -p, --pins-guards, --when, --ltl, []([]((LTLAP6==true))), --buchi-type=spotba], workingDir=/home/mcc/execution]
LTSmin run took 13 ms.
FORMULA SwimmingPool-PT-01-LTLFireability-12 FALSE TECHNIQUES PARTIAL_ORDER EXPLICIT LTSMIN SAT_SMT
Running LTSmin : CommandLine [args=[/home/mcc/BenchKit//lts_install_dir//bin/pins2lts-mc, ./gal.so, --threads=1, --when, --ltl, <>(X((LTLAP4==true))), --buchi-type=spotba], workingDir=/home/mcc/execution]
LTSmin run took 13 ms.
FORMULA SwimmingPool-PT-01-LTLFireability-13 TRUE TECHNIQUES PARTIAL_ORDER EXPLICIT LTSMIN SAT_SMT
Running LTSmin : CommandLine [args=[/home/mcc/BenchKit//lts_install_dir//bin/pins2lts-mc, ./gal.so, --threads=1, --when, --ltl, X((LTLAP5==true)), --buchi-type=spotba], workingDir=/home/mcc/execution]
LTSmin run took 16 ms.
FORMULA SwimmingPool-PT-01-LTLFireability-14 FALSE TECHNIQUES PARTIAL_ORDER EXPLICIT LTSMIN SAT_SMT
Running LTSmin : CommandLine [args=[/home/mcc/BenchKit//lts_install_dir//bin/pins2lts-mc, ./gal.so, --threads=1, --when, --ltl, ([](X([]((LTLAP6==true)))))U(X(((LTLAP6==true))U((LTLAP4==true)))), --buchi-type=spotba], workingDir=/home/mcc/execution]
LTSmin run took 12 ms.
FORMULA SwimmingPool-PT-01-LTLFireability-15 TRUE TECHNIQUES PARTIAL_ORDER EXPLICIT LTSMIN SAT_SMT
ITS tools runner thread asked to quit. Dying gracefully.

BK_STOP 1527899266562

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

+ export BINDIR=/home/mcc/BenchKit/
+ BINDIR=/home/mcc/BenchKit/
++ pwd
+ export MODEL=/home/mcc/execution
+ MODEL=/home/mcc/execution
+ /home/mcc/BenchKit//runeclipse.sh /home/mcc/execution LTLFireability -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 -consoleLog -data /home/mcc/execution/workspace -pnfolder /home/mcc/execution -examination LTLFireability -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
Jun 02, 2018 12:27:40 AM fr.lip6.move.gal.application.Application start
INFO: Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, LTLFireability, -z3path, /home/mcc/BenchKit//z3/bin/z3, -yices2path, /home/mcc/BenchKit//yices/bin/yices, -its, -ltsminpath, /home/mcc/BenchKit//lts_install_dir/, -smt]
Jun 02, 2018 12:27:40 AM fr.lip6.move.gal.application.MccTranslator transformPNML
INFO: Parsing pnml file : /home/mcc/execution/model.pnml
Jun 02, 2018 12:27:40 AM fr.lip6.move.gal.nupn.PTNetReader loadFromXML
INFO: Load time of PNML (sax parser for PT used): 43 ms
Jun 02, 2018 12:27:40 AM fr.lip6.move.gal.pnml.togal.PTGALTransformer handlePage
INFO: Transformed 9 places.
Jun 02, 2018 12:27:40 AM fr.lip6.move.gal.pnml.togal.PTGALTransformer handlePage
INFO: Transformed 7 transitions.
Jun 02, 2018 12:27:40 AM fr.lip6.move.serialization.SerializationUtil systemToFile
INFO: Time to serialize gal into /home/mcc/execution/model.pnml.img.gal : 9 ms
Jun 02, 2018 12:27:40 AM fr.lip6.move.gal.instantiate.GALRewriter flatten
INFO: Flatten gal took : 26 ms
Jun 02, 2018 12:27:40 AM fr.lip6.move.serialization.SerializationUtil systemToFile
INFO: Time to serialize gal into /home/mcc/execution/LTLFireability.pnml.gal : 1 ms
Jun 02, 2018 12:27:40 AM fr.lip6.move.serialization.SerializationUtil serializePropertiesForITSLTLTools
INFO: Time to serialize properties into /home/mcc/execution/LTLFireability.ltl : 3 ms
Jun 02, 2018 12:27:41 AM fr.lip6.move.gal.semantics.DeterministicNextBuilder getDeterministicNext
INFO: Input system was already deterministic with 7 transitions.
Jun 02, 2018 12:27:41 AM fr.lip6.move.gal.gal2smt.bmc.KInductionSolver computeAndDeclareInvariants
INFO: Computed 3 place invariants in 5 ms
Jun 02, 2018 12:27:41 AM fr.lip6.move.gal.gal2smt.bmc.KInductionSolver init
INFO: Proved 9 variables to be positive in 46 ms
Jun 02, 2018 12:27:41 AM fr.lip6.move.gal.gal2smt.bmc.NecessaryEnablingsolver computeAblingMatrix
INFO: Computing symmetric may disable matrix : 7 transitions.
Jun 02, 2018 12:27:41 AM fr.lip6.move.gal.gal2smt.bmc.NecessaryEnablingsolver printStats
INFO: Computation of disable matrix completed :0/7 took 0 ms. Total solver calls (SAT/UNSAT): 0(0/0)
Jun 02, 2018 12:27:41 AM fr.lip6.move.gal.gal2smt.bmc.NecessaryEnablingsolver printStats
INFO: Computation of Complete disable matrix. took 0 ms. Total solver calls (SAT/UNSAT): 0(0/0)
Jun 02, 2018 12:27:41 AM fr.lip6.move.gal.gal2smt.bmc.NecessaryEnablingsolver computeAblingMatrix
INFO: Computing symmetric may enable matrix : 7 transitions.
Jun 02, 2018 12:27:41 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)
Jun 02, 2018 12:27:41 AM fr.lip6.move.gal.gal2smt.bmc.NecessaryEnablingsolver computeCoEnablingMatrix
INFO: Computing symmetric co enabling matrix : 7 transitions.
Jun 02, 2018 12:27:41 AM fr.lip6.move.gal.gal2smt.bmc.NecessaryEnablingsolver printStats
INFO: Computation of Finished co-enabling matrix. took 115 ms. Total solver calls (SAT/UNSAT): 13(13/0)
Jun 02, 2018 12:27:41 AM fr.lip6.move.gal.gal2smt.bmc.NecessaryEnablingsolver computeDoNotAccord
INFO: Computing Do-Not-Accords matrix : 7 transitions.
Jun 02, 2018 12:27:41 AM fr.lip6.move.gal.gal2smt.bmc.NecessaryEnablingsolver printStats
INFO: Computation of Completed DNA matrix. took 54 ms. Total solver calls (SAT/UNSAT): 12(0/12)
Jun 02, 2018 12:27:41 AM fr.lip6.move.gal.gal2pins.Gal2PinsTransformerNext transform
INFO: Built C files in 589ms 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="SwimmingPool-PT-01"
export BK_EXAMINATION="LTLFireability"
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

tar xzf /home/mcc/BenchKit/INPUTS/SwimmingPool-PT-01.tgz
mv SwimmingPool-PT-01 execution
cd execution
pwd
ls -lh

# this is for BenchKit: explicit launching of the test
echo "====================================================================="
echo " Generated by BenchKit 2-3637"
echo " Executing tool itstools"
echo " Input is SwimmingPool-PT-01, examination is LTLFireability"
echo " Time confinement is $BK_TIME_CONFINEMENT seconds"
echo " Memory confinement is 16384 MBytes"
echo " Number of cores is 4"
echo " Run identifier is r212-smll-152732263600650"
echo "====================================================================="
echo
echo "--------------------"
echo "content from stdout:"
echo
echo "=== Data for post analysis generated by BenchKit (invocation template)"
echo
if [ "LTLFireability" = "UpperBounds" ] ; then
echo "The expected result is a vector of positive values"
echo NUM_VECTOR
elif [ "LTLFireability" != "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 "LTLFireability.txt" ] ; then
echo "here is the order used to build the result vector(from text file)"
for x in $(grep Property LTLFireability.txt | cut -d ' ' -f 2 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ -f "LTLFireability.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 '' LTLFireability.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 ;