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 4.5K May 15 18:54 CTLCardinality.txt
-rw-r--r-- 1 mcc users 26K May 15 18:54 CTLCardinality.xml
-rw-r--r-- 1 mcc users 2.9K May 15 18:54 CTLFireability.txt
-rw-r--r-- 1 mcc users 22K 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 2.5K May 26 09:27 LTLCardinality.txt
-rw-r--r-- 1 mcc users 12K 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 8.9K May 26 09:27 LTLFireability.xml
-rw-r--r-- 1 mcc users 3.7K May 15 18:54 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 18K 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 2.6K May 15 18:54 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 15K 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-06, examination is LTLCardinality
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r212-smll-152732263600659
=====================================================================

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

=== Now, execution of the tool begins

BK_START 1527903245433

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/LTLCardinality.pnml.gal, -t, CGAL, -LTL, /home/mcc/execution/LTLCardinality.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/LTLCardinality.pnml.gal -t CGAL -LTL /home/mcc/execution/LTLCardinality.ltl -c -stutter-deadlock
Read 16 LTL properties
Checking formula 0 : !((X((G("(Cabins>=1)"))U("(Entered>=3)"))))
Formula 0 simplified : !X(G"(Cabins>=1)" U "(Entered>=3)")
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 = -30
invariant :Entered + InBath + Out + -1'Cabins = 60
invariant :Undress + InBath + Dress + Bags = 90
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]
Compilation finished in 588 ms.
Running link step : CommandLine [args=[gcc, -shared, -o, gal.so, model.o], workingDir=/home/mcc/execution]
Link finished in 52 ms.
Running LTSmin : CommandLine [args=[/home/mcc/BenchKit//lts_install_dir//bin/pins2lts-mc, ./gal.so, --threads=1, --when, --ltl, X(([]((LTLAP0==true)))U((LTLAP1==true))), --buchi-type=spotba], workingDir=/home/mcc/execution]
LTSmin run took 42 ms.
FORMULA SwimmingPool-PT-06-LTLCardinality-00 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, <>([](<>(<>((LTLAP2==true))))), --buchi-type=spotba], workingDir=/home/mcc/execution]
LTSmin run took 32 ms.
FORMULA SwimmingPool-PT-06-LTLCardinality-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, -p, --pins-guards, --when, --ltl, [](((LTLAP3==true))U(<>((LTLAP4==true)))), --buchi-type=spotba], workingDir=/home/mcc/execution]
LTSmin run took 43 ms.
FORMULA SwimmingPool-PT-06-LTLCardinality-02 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((LTLAP5==true)))U(<>((LTLAP6==true)))), --buchi-type=spotba], workingDir=/home/mcc/execution]
LTSmin run took 18 ms.
FORMULA SwimmingPool-PT-06-LTLCardinality-03 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, (<>([]((LTLAP7==true))))U([](<>((LTLAP8==true)))), --buchi-type=spotba], workingDir=/home/mcc/execution]
LTSmin run took 32 ms.
FORMULA SwimmingPool-PT-06-LTLCardinality-04 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(((LTLAP9==true))U(X((LTLAP10==true)))), --buchi-type=spotba], workingDir=/home/mcc/execution]
LTSmin run took 19 ms.
FORMULA SwimmingPool-PT-06-LTLCardinality-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, --when, --ltl, (X((LTLAP0==true)))U([]([]((LTLAP11==true)))), --buchi-type=spotba], workingDir=/home/mcc/execution]
WARNING : LTS min runner thread failed on error :java.lang.RuntimeException: Unexpected exception when executing ltsmin :CommandLine [args=[/home/mcc/BenchKit//lts_install_dir//bin/pins2lts-mc, ./gal.so, --threads=1, --when, --ltl, (X((LTLAP0==true)))U([]([]((LTLAP11==true)))), --buchi-type=spotba], workingDir=/home/mcc/execution]
255
Reverse transition relation is exact ! Faster fixpoint algorithm enabled.

BK_TIME_CONFINEMENT_REACHED

--------------------
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 LTLCardinality -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 LTLCardinality -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 1:34:08 AM fr.lip6.move.gal.application.Application start
INFO: Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, LTLCardinality, -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 1:34:08 AM fr.lip6.move.gal.application.MccTranslator transformPNML
INFO: Parsing pnml file : /home/mcc/execution/model.pnml
Jun 02, 2018 1:34:08 AM fr.lip6.move.gal.nupn.PTNetReader loadFromXML
INFO: Load time of PNML (sax parser for PT used): 30 ms
Jun 02, 2018 1:34:08 AM fr.lip6.move.gal.pnml.togal.PTGALTransformer handlePage
INFO: Transformed 9 places.
Jun 02, 2018 1:34:08 AM fr.lip6.move.gal.pnml.togal.PTGALTransformer handlePage
INFO: Transformed 7 transitions.
Jun 02, 2018 1:34:08 AM fr.lip6.move.serialization.SerializationUtil systemToFile
INFO: Time to serialize gal into /home/mcc/execution/model.pnml.img.gal : 5 ms
Jun 02, 2018 1:34:08 AM fr.lip6.move.gal.instantiate.GALRewriter flatten
INFO: Flatten gal took : 34 ms
Jun 02, 2018 1:34:08 AM fr.lip6.move.serialization.SerializationUtil systemToFile
INFO: Time to serialize gal into /home/mcc/execution/LTLCardinality.pnml.gal : 1 ms
Jun 02, 2018 1:34:08 AM fr.lip6.move.serialization.SerializationUtil serializePropertiesForITSLTLTools
INFO: Time to serialize properties into /home/mcc/execution/LTLCardinality.ltl : 2 ms
Jun 02, 2018 1:34:08 AM fr.lip6.move.gal.semantics.DeterministicNextBuilder getDeterministicNext
INFO: Input system was already deterministic with 7 transitions.
Jun 02, 2018 1:34:08 AM fr.lip6.move.gal.gal2smt.bmc.KInductionSolver computeAndDeclareInvariants
INFO: Computed 3 place invariants in 5 ms
Jun 02, 2018 1:34:08 AM fr.lip6.move.gal.gal2smt.bmc.KInductionSolver init
INFO: Proved 9 variables to be positive in 48 ms
Jun 02, 2018 1:34:08 AM fr.lip6.move.gal.gal2smt.bmc.NecessaryEnablingsolver computeAblingMatrix
INFO: Computing symmetric may disable matrix : 7 transitions.
Jun 02, 2018 1:34:08 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 1:34:08 AM fr.lip6.move.gal.gal2smt.bmc.NecessaryEnablingsolver printStats
INFO: Computation of Complete disable matrix. took 1 ms. Total solver calls (SAT/UNSAT): 0(0/0)
Jun 02, 2018 1:34:08 AM fr.lip6.move.gal.gal2smt.bmc.NecessaryEnablingsolver computeAblingMatrix
INFO: Computing symmetric may enable matrix : 7 transitions.
Jun 02, 2018 1:34:08 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 1:34:09 AM fr.lip6.move.gal.gal2smt.bmc.NecessaryEnablingsolver computeCoEnablingMatrix
INFO: Computing symmetric co enabling matrix : 7 transitions.
Jun 02, 2018 1:34:09 AM fr.lip6.move.gal.gal2smt.bmc.NecessaryEnablingsolver printStats
INFO: Computation of Finished co-enabling matrix. took 133 ms. Total solver calls (SAT/UNSAT): 13(13/0)
Jun 02, 2018 1:34:09 AM fr.lip6.move.gal.gal2smt.bmc.NecessaryEnablingsolver computeDoNotAccord
INFO: Computing Do-Not-Accords matrix : 7 transitions.
Jun 02, 2018 1:34:09 AM fr.lip6.move.gal.gal2smt.bmc.NecessaryEnablingsolver printStats
INFO: Computation of Completed DNA matrix. took 73 ms. Total solver calls (SAT/UNSAT): 12(0/12)
Jun 02, 2018 1:34:09 AM fr.lip6.move.gal.gal2pins.Gal2PinsTransformerNext transform
INFO: Built C files in 1113ms conformant to PINS in folder :/home/mcc/execution
pins2lts-mc, 0.000: Registering PINS so language module
pins2lts-mc, 0.000: Loading model from ./gal.so
pins2lts-mc, 0.000: library has no initializer
pins2lts-mc, 0.000: loading model GAL
pins2lts-mc, 0.000: completed loading model GAL
pins2lts-mc, 0.000: LTL layer: formula: (X((LTLAP0==true)))U([]([]((LTLAP11==true))))
pins2lts-mc, 0.000: "(X((LTLAP0==true)))U([]([]((LTLAP11==true))))" is not a file, parsing as formula...
pins2lts-mc, 0.000: Using Spin LTL semantics
pins2lts-mc, 0.014: buchi has 5 states
pins2lts-mc, 0.015: There are 30 state labels and 1 edge labels
pins2lts-mc, 0.015: State length is 10, there are 19 groups
pins2lts-mc, 0.015: Running cndfs using 1 core (sequential)
pins2lts-mc, 0.015: Using a tree table with 2^27 elements
pins2lts-mc, 0.015: Successor permutation: dynamic
pins2lts-mc, 0.015: Global bits: 2, count bits: 0, local bits: 0
pins2lts-mc, 0.044: [Blue] 972 levels 1000 states 3015 transitions
pins2lts-mc, 0.064: [Blue] 1960 levels 2000 states 6899 transitions
pins2lts-mc, 0.104: [Blue] 3915 levels 4000 states 15358 transitions
pins2lts-mc, 0.177: [Blue] 7903 levels 8000 states 34310 transitions
pins2lts-mc, 0.317: [Blue] 15840 levels 16000 states 72566 transitions
pins2lts-mc, 0.552: [Blue] 31649 levels 32000 states 151240 transitions
pins2lts-mc, 0.884: [Blue] 63475 levels 64000 states 317950 transitions
pins2lts-mc, 1.453: [Blue] 127133 levels 128000 states 665271 transitions
pins2lts-mc, 2.580: [Blue] 254435 levels 256000 states 1382460 transitions
pins2lts-mc, 4.178: [Blue] 508797 levels 512000 states 2861741 transitions
pins2lts-mc, 7.216: [Blue] 1015688 levels 1024000 states 5888019 transitions
pins2lts-mc, 13.499: [Blue] 2027253 levels 2048000 states 12065634 transitions
pins2lts-mc, 26.482: [Blue] 4042896 levels 4096000 states 24611977 transitions
pins2lts-mc, 53.207: [Blue] 8062949 levels 8192000 states 50101542 transitions
pins2lts-mc, 111.618, file cndfs.c, line 199: assertion "onstack != FSET_FULL" failed
*** segmentation fault ***

Please send information on how to reproduce this problem to:
ltsmin-support@lists.utwente.nl
along with all output preceding this message.
In addition, include the following information:
Package: ltsmin 3.0.0
Stack trace:
0: /home/mcc/BenchKit//lts_install_dir//bin/pins2lts-mc(HREprintStack+0x18) [0x4bd1d8]
1: /home/mcc/BenchKit//lts_install_dir//bin/pins2lts-mc() [0x4bd256]
2: /lib/x86_64-linux-gnu/libpthread.so.0(+0x11f50) [0x7f8b69134f50]
3: /home/mcc/BenchKit//lts_install_dir//bin/pins2lts-mc(_ZSt28_Rb_tree_rebalance_for_erasePSt18_Rb_tree_node_baseRS_+0x1c9) [0x728589]
4: /home/mcc/BenchKit//lts_install_dir//bin/pins2lts-mc(_ZNK4spot5fnode11destroy_auxEv+0x72f) [0x51bb0f]
5: /home/mcc/BenchKit//lts_install_dir//bin/pins2lts-mc(_ZN4spot3twaD1Ev+0x3b2) [0x5c29e2]
6: /home/mcc/BenchKit//lts_install_dir//bin/pins2lts-mc(_ZNSt10shared_ptrIN4spot9twa_graphEED1Ev+0x51) [0x4ceaf1]
7: /lib/x86_64-linux-gnu/libc.so.6(+0x37831) [0x7f8b68a0d831]
8: /lib/x86_64-linux-gnu/libc.so.6(+0x3792a) [0x7f8b68a0d92a]
9: /home/mcc/BenchKit//lts_install_dir//bin/pins2lts-mc() [0x4bc4eb]
10: /home/mcc/BenchKit//lts_install_dir//bin/pins2lts-mc() [0x4bc7ea]
11: /home/mcc/BenchKit//lts_install_dir//bin/pins2lts-mc(HREabort+0x1e) [0x4bdf5e]
12: /home/mcc/BenchKit//lts_install_dir//bin/pins2lts-mc() [0x48b9a4]
13: /home/mcc/BenchKit//lts_install_dir//bin/pins2lts-mc(permute_trans+0x2fb) [0x487dcb]
14: /home/mcc/BenchKit//lts_install_dir//bin/pins2lts-mc(endfs_blue+0x62b) [0x48cc6b]
15: /home/mcc/BenchKit//lts_install_dir//bin/pins2lts-mc(alg_run+0x28) [0x48b168]
16: /home/mcc/BenchKit//lts_install_dir//bin/pins2lts-mc(run_alg+0x19) [0x488889]
17: /home/mcc/BenchKit//lts_install_dir//bin/pins2lts-mc(main+0xe4) [0x483b64]
18: /lib/x86_64-linux-gnu/libc.so.6(__libc_start_main+0xe7) [0x7f8b689f7a87]
19: /home/mcc/BenchKit//lts_install_dir//bin/pins2lts-mc() [0x484f6f]
java.lang.RuntimeException: Unexpected exception when executing ltsmin :CommandLine [args=[/home/mcc/BenchKit//lts_install_dir//bin/pins2lts-mc, ./gal.so, --threads=1, --when, --ltl, (X((LTLAP0==true)))U([]([]((LTLAP11==true)))), --buchi-type=spotba], workingDir=/home/mcc/execution]
255
at fr.lip6.move.gal.application.LTSminRunner.checkProperty(LTSminRunner.java:167)
at fr.lip6.move.gal.application.LTSminRunner.access$9(LTSminRunner.java:122)
at fr.lip6.move.gal.application.LTSminRunner$1.run(LTSminRunner.java:91)
at java.lang.Thread.run(Thread.java:748)

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-06"
export BK_EXAMINATION="LTLCardinality"
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-06.tgz
mv SwimmingPool-PT-06 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-06, examination is LTLCardinality"
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-152732263600659"
echo "====================================================================="
echo
echo "--------------------"
echo "content from stdout:"
echo
echo "=== Data for post analysis generated by BenchKit (invocation template)"
echo
if [ "LTLCardinality" = "UpperBounds" ] ; then
echo "The expected result is a vector of positive values"
echo NUM_VECTOR
elif [ "LTLCardinality" != "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 "LTLCardinality.txt" ] ; then
echo "here is the order used to build the result vector(from text file)"
for x in $(grep Property LTLCardinality.txt | cut -d ' ' -f 2 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ -f "LTLCardinality.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 '' LTLCardinality.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 ;