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.r241-tall-171649628700362.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 gold2023
Input is Medical-PT-18, examination is LTLCardinality
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r241-tall-171649628700362
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 3.6M
-rw-r--r-- 1 mcc users 6.7K May 14 13:22 CTLCardinality.txt
-rw-r--r-- 1 mcc users 66K May 14 13:22 CTLCardinality.xml
-rw-r--r-- 1 mcc users 5.7K May 14 13:22 CTLFireability.txt
-rw-r--r-- 1 mcc users 54K May 14 13:22 CTLFireability.xml
-rw-r--r-- 1 mcc users 3.8K Apr 22 14:52 LTLCardinality.txt
-rw-r--r-- 1 mcc users 25K Apr 22 14:52 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.2K Apr 22 14:52 LTLFireability.txt
-rw-r--r-- 1 mcc users 18K Apr 22 14:52 LTLFireability.xml
-rw-r--r-- 1 mcc users 12K May 14 13:22 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 108K May 14 13:22 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 12K May 14 13:22 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 108K May 14 13:22 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.5K May 19 07:13 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.7K May 19 15:27 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 May 18 16:42 equiv_col
-rw-r--r-- 1 mcc users 3 May 18 16:42 instance
-rw-r--r-- 1 mcc users 6 May 18 16:42 iscolored
-rw-r--r-- 1 mcc users 3.1M 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 Medical-PT-18-LTLCardinality-00
FORMULA_NAME Medical-PT-18-LTLCardinality-01
FORMULA_NAME Medical-PT-18-LTLCardinality-02
FORMULA_NAME Medical-PT-18-LTLCardinality-03
FORMULA_NAME Medical-PT-18-LTLCardinality-04
FORMULA_NAME Medical-PT-18-LTLCardinality-05
FORMULA_NAME Medical-PT-18-LTLCardinality-06
FORMULA_NAME Medical-PT-18-LTLCardinality-07
FORMULA_NAME Medical-PT-18-LTLCardinality-08
FORMULA_NAME Medical-PT-18-LTLCardinality-09
FORMULA_NAME Medical-PT-18-LTLCardinality-10
FORMULA_NAME Medical-PT-18-LTLCardinality-11
FORMULA_NAME Medical-PT-18-LTLCardinality-12
FORMULA_NAME Medical-PT-18-LTLCardinality-13
FORMULA_NAME Medical-PT-18-LTLCardinality-14
FORMULA_NAME Medical-PT-18-LTLCardinality-15

=== Now, execution of the tool begins

BK_START 1716577199996

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=gold2023
BK_EXAMINATION=LTLCardinality
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=Medical-PT-18
Not applying reductions.
Model is PT
LTLCardinality PT
Running Version 202304061127
[2024-05-24 19:00:01] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, LTLCardinality, -its, -ltsmin, -greatspnpath, /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/, -order, META, -manyOrder, -smt, -timeout, 3600]
[2024-05-24 19:00:01] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2024-05-24 19:00:01] [INFO ] Load time of PNML (sax parser for PT used): 260 ms
[2024-05-24 19:00:01] [INFO ] Transformed 312 places.
[2024-05-24 19:00:02] [INFO ] Transformed 5431 transitions.
[2024-05-24 19:00:02] [INFO ] Parsed PT model containing 312 places and 5431 transitions and 28790 arcs in 560 ms.
Parsed 16 properties from file /home/mcc/execution/LTLCardinality.xml in 10 ms.
Working with output stream class java.io.PrintStream
Initial state reduction rules removed 4 formulas.
Deduced a syphon composed of 242 places in 20 ms
Reduce places removed 242 places and 5204 transitions.
Reduce places removed 1 places and 0 transitions.
Initial state reduction rules removed 1 formulas.
FORMULA Medical-PT-18-LTLCardinality-03 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA Medical-PT-18-LTLCardinality-06 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA Medical-PT-18-LTLCardinality-07 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA Medical-PT-18-LTLCardinality-08 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA Medical-PT-18-LTLCardinality-10 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA Medical-PT-18-LTLCardinality-11 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA Medical-PT-18-LTLCardinality-12 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA Medical-PT-18-LTLCardinality-14 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA Medical-PT-18-LTLCardinality-15 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA Medical-PT-18-LTLCardinality-00 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA Medical-PT-18-LTLCardinality-01 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA Medical-PT-18-LTLCardinality-02 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA Medical-PT-18-LTLCardinality-05 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Support contains 3 out of 69 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 69/69 places, 227/227 transitions.
Reduce places removed 2 places and 0 transitions.
Iterating post reduction 0 with 2 rules applied. Total rules applied 2 place count 67 transition count 227
Applied a total of 2 rules in 16 ms. Remains 67 /69 variables (removed 2) and now considering 227/227 (removed 0) transitions.
[2024-05-24 19:00:02] [INFO ] Flow matrix only has 182 transitions (discarded 45 similar events)
// Phase 1: matrix 182 rows 67 cols
[2024-05-24 19:00:02] [INFO ] Computed 8 invariants in 24 ms
[2024-05-24 19:00:02] [INFO ] Implicit Places using invariants in 242 ms returned []
[2024-05-24 19:00:02] [INFO ] Flow matrix only has 182 transitions (discarded 45 similar events)
[2024-05-24 19:00:02] [INFO ] Invariant cache hit.
[2024-05-24 19:00:02] [INFO ] State equation strengthened by 56 read => feed constraints.
[2024-05-24 19:00:02] [INFO ] Implicit Places using invariants and state equation in 165 ms returned []
Implicit Place search using SMT with State Equation took 432 ms to find 0 implicit places.
[2024-05-24 19:00:02] [INFO ] Flow matrix only has 182 transitions (discarded 45 similar events)
[2024-05-24 19:00:02] [INFO ] Invariant cache hit.
[2024-05-24 19:00:02] [INFO ] Dead Transitions using invariants and state equation in 115 ms found 0 transitions.
Starting structural reductions in LTL mode, iteration 1 : 67/69 places, 227/227 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 566 ms. Remains : 67/69 places, 227/227 transitions.
Support contains 3 out of 67 places after structural reductions.
[2024-05-24 19:00:03] [INFO ] Flatten gal took : 66 ms
[2024-05-24 19:00:03] [INFO ] Flatten gal took : 31 ms
[2024-05-24 19:00:03] [INFO ] Input system was already deterministic with 227 transitions.
Finished random walk after 94 steps, including 0 resets, run visited all 3 properties in 37 ms. (steps per millisecond=2 )
Parikh walk visited 0 properties in 0 ms.
Computed a total of 6 stabilizing places and 33 stable transitions
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202304061127/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(G(F(p0)))'
Support contains 1 out of 67 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 67/67 places, 227/227 transitions.
Performed 3 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 0 with 3 Pre rules applied. Total rules applied 0 place count 67 transition count 224
Deduced a syphon composed of 3 places in 1 ms
Reduce places removed 3 places and 0 transitions.
Iterating global reduction 0 with 6 rules applied. Total rules applied 6 place count 64 transition count 224
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 0
Deduced a syphon composed of 1 places in 1 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 0 with 2 rules applied. Total rules applied 8 place count 63 transition count 224
Applied a total of 8 rules in 21 ms. Remains 63 /67 variables (removed 4) and now considering 224/227 (removed 3) transitions.
[2024-05-24 19:00:03] [INFO ] Flow matrix only has 178 transitions (discarded 46 similar events)
// Phase 1: matrix 178 rows 63 cols
[2024-05-24 19:00:03] [INFO ] Computed 8 invariants in 2 ms
[2024-05-24 19:00:03] [INFO ] Implicit Places using invariants in 74 ms returned []
[2024-05-24 19:00:03] [INFO ] Flow matrix only has 178 transitions (discarded 46 similar events)
[2024-05-24 19:00:03] [INFO ] Invariant cache hit.
[2024-05-24 19:00:03] [INFO ] State equation strengthened by 57 read => feed constraints.
[2024-05-24 19:00:03] [INFO ] Implicit Places using invariants and state equation in 159 ms returned []
Implicit Place search using SMT with State Equation took 234 ms to find 0 implicit places.
[2024-05-24 19:00:03] [INFO ] Redundant transitions in 9 ms returned []
[2024-05-24 19:00:03] [INFO ] Flow matrix only has 178 transitions (discarded 46 similar events)
[2024-05-24 19:00:03] [INFO ] Invariant cache hit.
[2024-05-24 19:00:03] [INFO ] Dead Transitions using invariants and state equation in 99 ms found 0 transitions.
Starting structural reductions in SI_LTL mode, iteration 1 : 63/67 places, 224/227 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 370 ms. Remains : 63/67 places, 224/227 transitions.
ANTLR Tool version 4.9.3 used for code generation does not match the current runtime version 4.7.2ANTLR Runtime version 4.9.3 used for parser compilation does not match the current runtime version 4.7.2ANTLR Tool version 4.9.3 used for code generation does not match the current runtime version 4.7.2ANTLR Runtime version 4.9.3 used for parser compilation does not match the current runtime version 4.7.2Stuttering acceptance computed with spot in 348 ms :[(NOT p0), (NOT p0)]
Running random walk in product with property : Medical-PT-18-LTLCardinality-04 automaton TGBA Formula[mat=[[{ cond=true, acceptance={} source=0 dest: 0}, { cond=(NOT p0), acceptance={} source=0 dest: 1}], [{ cond=(NOT p0), acceptance={0} source=1 dest: 1}]], initial=0, aps=[p0:(LEQ s18 0)], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, no-univ-branch, stutter-invariant, very-weak, weak, inherently-weak], stateDesc=[null, null][true, true]]
Stuttering criterion allowed to conclude after 54849 steps with 667 reset in 206 ms.
FORMULA Medical-PT-18-LTLCardinality-04 FALSE TECHNIQUES STUTTER_TEST
Treatment of property Medical-PT-18-LTLCardinality-04 finished in 975 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202304061127/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(X(G(p0))))'
Support contains 1 out of 67 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 67/67 places, 227/227 transitions.
Applied a total of 0 rules in 3 ms. Remains 67 /67 variables (removed 0) and now considering 227/227 (removed 0) transitions.
[2024-05-24 19:00:04] [INFO ] Flow matrix only has 182 transitions (discarded 45 similar events)
// Phase 1: matrix 182 rows 67 cols
[2024-05-24 19:00:04] [INFO ] Computed 8 invariants in 2 ms
[2024-05-24 19:00:04] [INFO ] Implicit Places using invariants in 68 ms returned []
[2024-05-24 19:00:04] [INFO ] Flow matrix only has 182 transitions (discarded 45 similar events)
[2024-05-24 19:00:04] [INFO ] Invariant cache hit.
[2024-05-24 19:00:04] [INFO ] State equation strengthened by 56 read => feed constraints.
[2024-05-24 19:00:04] [INFO ] Implicit Places using invariants and state equation in 129 ms returned []
Implicit Place search using SMT with State Equation took 198 ms to find 0 implicit places.
[2024-05-24 19:00:04] [INFO ] Flow matrix only has 182 transitions (discarded 45 similar events)
[2024-05-24 19:00:04] [INFO ] Invariant cache hit.
[2024-05-24 19:00:04] [INFO ] Dead Transitions using invariants and state equation in 113 ms found 0 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 316 ms. Remains : 67/67 places, 227/227 transitions.
Stuttering acceptance computed with spot in 127 ms :[true, (NOT p0), (NOT p0), (NOT p0)]
Running random walk in product with property : Medical-PT-18-LTLCardinality-09 automaton TGBA Formula[mat=[[{ cond=true, acceptance={0} source=0 dest: 0}], [{ cond=(NOT p0), acceptance={} source=1 dest: 0}, { cond=p0, acceptance={} source=1 dest: 1}], [{ cond=true, acceptance={} source=2 dest: 1}], [{ cond=true, acceptance={} source=3 dest: 2}]], initial=3, aps=[p0:(GT 3 s3)], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, complete, deterministic, no-univ-branch, unambiguous, semi-deterministic, stutter-sensitive, terminal, very-weak, weak, inherently-weak], stateDesc=[null, null, null, null][false, false, false, false]]
Entered a terminal (fully accepting) state of product in 40 steps with 0 reset in 1 ms.
FORMULA Medical-PT-18-LTLCardinality-09 FALSE TECHNIQUES STUTTER_TEST
Treatment of property Medical-PT-18-LTLCardinality-09 finished in 466 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202304061127/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(p0))'
Support contains 1 out of 67 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 67/67 places, 227/227 transitions.
Applied a total of 0 rules in 5 ms. Remains 67 /67 variables (removed 0) and now considering 227/227 (removed 0) transitions.
[2024-05-24 19:00:04] [INFO ] Flow matrix only has 182 transitions (discarded 45 similar events)
[2024-05-24 19:00:04] [INFO ] Invariant cache hit.
[2024-05-24 19:00:04] [INFO ] Implicit Places using invariants in 65 ms returned []
[2024-05-24 19:00:04] [INFO ] Flow matrix only has 182 transitions (discarded 45 similar events)
[2024-05-24 19:00:04] [INFO ] Invariant cache hit.
[2024-05-24 19:00:04] [INFO ] State equation strengthened by 56 read => feed constraints.
[2024-05-24 19:00:04] [INFO ] Implicit Places using invariants and state equation in 123 ms returned []
Implicit Place search using SMT with State Equation took 190 ms to find 0 implicit places.
[2024-05-24 19:00:04] [INFO ] Flow matrix only has 182 transitions (discarded 45 similar events)
[2024-05-24 19:00:04] [INFO ] Invariant cache hit.
[2024-05-24 19:00:05] [INFO ] Dead Transitions using invariants and state equation in 78 ms found 0 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 274 ms. Remains : 67/67 places, 227/227 transitions.
Stuttering acceptance computed with spot in 84 ms :[(NOT p0), (NOT p0), true]
Running random walk in product with property : Medical-PT-18-LTLCardinality-13 automaton TGBA Formula[mat=[[{ cond=(NOT p0), acceptance={} source=0 dest: 2}], [{ cond=true, acceptance={} source=1 dest: 0}], [{ cond=true, acceptance={0} source=2 dest: 2}]], initial=1, aps=[p0:(LEQ s30 0)], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, deterministic, no-univ-branch, unambiguous, semi-deterministic, stutter-sensitive, terminal, very-weak, weak, inherently-weak], stateDesc=[null, null, null][false, false, false]]
Entered a terminal (fully accepting) state of product in 1 steps with 0 reset in 1 ms.
FORMULA Medical-PT-18-LTLCardinality-13 FALSE TECHNIQUES STUTTER_TEST
Treatment of property Medical-PT-18-LTLCardinality-13 finished in 373 ms.
All properties solved by simple procedures.
Total runtime 3645 ms.

BK_STOP 1716577206155

--------------------
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
+ [[ LTLCardinality = StateSpace ]]
+ /home/mcc/BenchKit/bin//../itstools/bin//..//runeclipse.sh /home/mcc/execution LTLCardinality -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_1.0.0.202304061127.jar
+ VERSION=202304061127
+ echo 'Running Version 202304061127'
+ /home/mcc/BenchKit/bin//../itstools/bin//..//itstools/its-tools -pnfolder /home/mcc/execution -examination LTLCardinality -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="Medical-PT-18"
export BK_EXAMINATION="LTLCardinality"
export BK_TOOL="gold2023"
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 gold2023"
echo " Input is Medical-PT-18, 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 r241-tall-171649628700362"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/Medical-PT-18.tgz
mv Medical-PT-18 execution
cd execution
if [ "LTLCardinality" = "ReachabilityDeadlock" ] || [ "LTLCardinality" = "UpperBounds" ] || [ "LTLCardinality" = "QuasiLiveness" ] || [ "LTLCardinality" = "StableMarking" ] || [ "LTLCardinality" = "Liveness" ] || [ "LTLCardinality" = "OneSafe" ] || [ "LTLCardinality" = "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 [ "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
elif [ "LTLCardinality" = "ReachabilityDeadlock" ] || [ "LTLCardinality" = "QuasiLiveness" ] || [ "LTLCardinality" = "StableMarking" ] || [ "LTLCardinality" = "Liveness" ] || [ "LTLCardinality" = "OneSafe" ] ; then
echo "FORMULA_NAME LTLCardinality"
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 ;