fond
Model Checking Contest 2021
11th edition, Paris, France, June 23, 2021
Execution of r007-tall-162037990200595
Last Updated
Jun 28, 2021

About the Execution of ITS-Tools for BART-PT-002

Execution Summary
Max Memory
Used (MB)
Time wait (ms) CPU Usage (ms) I/O Wait (ms) Computed Result Execution
Status
279.520 6345.00 14301.00 186.20 TFTFTFTFTTFTFFFF normal

Execution Chart

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

Trace from the execution

Formatting '/data/fkordon/mcc2021-input.r007-tall-162037990200595.qcow2', fmt=qcow2 size=4294967296 backing_file=/data/fkordon/mcc2021-input.qcow2 cluster_size=65536 lazy_refcounts=off refcount_bits=16
Waiting for the VM to be ready (probing ssh)
...............................................................................................
=====================================================================
Generated by BenchKit 2-4028
Executing tool itstools
Input is BART-PT-002, examination is CTLCardinality
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r007-tall-162037990200595
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 3.6M
-rw-r--r-- 1 mcc users 375K Jun 13 08:42 CTLCardinality.txt
-rw-r--r-- 1 mcc users 1.4M Jun 13 08:42 CTLCardinality.xml
-rw-r--r-- 1 mcc users 291K Jun 13 08:42 CTLFireability.txt
-rw-r--r-- 1 mcc users 979K Jun 13 08:42 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K Mar 20 13:27 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 6.1K Mar 20 13:27 GenericPropertiesVerdict.xml
-rw-r--r-- 1 mcc users 4.1K Jun 8 09:43 LTLCardinality.txt
-rw-r--r-- 1 mcc users 23K Jun 8 09:43 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.9K Jun 8 09:43 LTLFireability.txt
-rw-r--r-- 1 mcc users 18K Jun 8 09:43 LTLFireability.xml
-rw-r--r-- 1 mcc users 4.0K Jun 8 09:14 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 17K Jun 8 09:14 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 3.7K Jun 8 09:13 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 16K Jun 8 09:13 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.7K Jun 8 09:15 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.8K Jun 8 09:15 UpperBounds.xml
-rw-r--r-- 1 mcc users 5 Mar 20 13:27 equiv_col
-rw-r--r-- 1 mcc users 4 Mar 20 13:27 instance
-rw-r--r-- 1 mcc users 6 Mar 20 13:27 iscolored
-rw-r--r-- 1 mcc users 534K Mar 20 13:27 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 BART-PT-002-CTLCardinality-00
FORMULA_NAME BART-PT-002-CTLCardinality-01
FORMULA_NAME BART-PT-002-CTLCardinality-02
FORMULA_NAME BART-PT-002-CTLCardinality-03
FORMULA_NAME BART-PT-002-CTLCardinality-04
FORMULA_NAME BART-PT-002-CTLCardinality-05
FORMULA_NAME BART-PT-002-CTLCardinality-06
FORMULA_NAME BART-PT-002-CTLCardinality-07
FORMULA_NAME BART-PT-002-CTLCardinality-08
FORMULA_NAME BART-PT-002-CTLCardinality-09
FORMULA_NAME BART-PT-002-CTLCardinality-10
FORMULA_NAME BART-PT-002-CTLCardinality-11
FORMULA_NAME BART-PT-002-CTLCardinality-12
FORMULA_NAME BART-PT-002-CTLCardinality-13
FORMULA_NAME BART-PT-002-CTLCardinality-14
FORMULA_NAME BART-PT-002-CTLCardinality-15

=== Now, execution of the tool begins

BK_START 1623578702250

Running Version 0
[2021-06-13 10:05:03] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, CTLCardinality, -spotpath, /home/mcc/BenchKit/bin//..//ltlfilt, -z3path, /home/mcc/BenchKit/bin//..//z3/bin/z3, -yices2path, /home/mcc/BenchKit/bin//..//yices/bin/yices, -its, -ltsmin, -greatspnpath, /home/mcc/BenchKit/bin//..//greatspn/, -order, META, -manyOrder, -smt, -timeout, 3600]
[2021-06-13 10:05:03] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2021-06-13 10:05:03] [INFO ] Load time of PNML (sax parser for PT used): 98 ms
[2021-06-13 10:05:04] [INFO ] Transformed 474 places.
[2021-06-13 10:05:04] [INFO ] Transformed 404 transitions.
[2021-06-13 10:05:04] [INFO ] Found NUPN structural information;
[2021-06-13 10:05:04] [INFO ] Parsed PT model containing 474 places and 404 transitions in 152 ms.
Parsed 16 properties from file /home/mcc/execution/CTLCardinality.xml in 70 ms.
Reduce places removed 210 places and 0 transitions.
FORMULA BART-PT-002-CTLCardinality-03 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Support contains 160 out of 264 places. Attempting structural reductions.
Starting structural reductions, iteration 0 : 264/264 places, 404/404 transitions.
Discarding 8 places :
Symmetric choice reduction at 0 with 8 rule applications. Total rules 8 place count 256 transition count 396
Iterating global reduction 0 with 8 rules applied. Total rules applied 16 place count 256 transition count 396
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 17 place count 255 transition count 395
Iterating global reduction 0 with 1 rules applied. Total rules applied 18 place count 255 transition count 395
Applied a total of 18 rules in 34 ms. Remains 255 /264 variables (removed 9) and now considering 395/404 (removed 9) transitions.
// Phase 1: matrix 395 rows 255 cols
[2021-06-13 10:05:04] [INFO ] Computed 2 place invariants in 28 ms
[2021-06-13 10:05:04] [INFO ] Implicit Places using invariants in 179 ms returned []
// Phase 1: matrix 395 rows 255 cols
[2021-06-13 10:05:04] [INFO ] Computed 2 place invariants in 13 ms
[2021-06-13 10:05:04] [INFO ] Implicit Places using invariants and state equation in 165 ms returned []
Implicit Place search using SMT with State Equation took 376 ms to find 0 implicit places.
// Phase 1: matrix 395 rows 255 cols
[2021-06-13 10:05:04] [INFO ] Computed 2 place invariants in 3 ms
[2021-06-13 10:05:04] [INFO ] Dead Transitions using invariants and state equation in 223 ms returned []
Finished structural reductions, in 1 iterations. Remains : 255/264 places, 395/404 transitions.
[2021-06-13 10:05:04] [INFO ] Initial state reduction rules for CTL removed 1 formulas.
[2021-06-13 10:05:04] [INFO ] Flatten gal took : 55 ms
[2021-06-13 10:05:05] [INFO ] Initial state reduction rules for CTL removed 1 formulas.
FORMULA BART-PT-002-CTLCardinality-07 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA BART-PT-002-CTLCardinality-00 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
[2021-06-13 10:05:05] [INFO ] Flatten gal took : 21 ms
[2021-06-13 10:05:05] [INFO ] Input system was already deterministic with 395 transitions.
FORMULA BART-PT-002-CTLCardinality-04 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Incomplete random walk after 100000 steps, including 2 resets, run finished after 664 ms. (steps per millisecond=150 ) properties (out of 42) seen :6
Running SMT prover for 36 properties.
// Phase 1: matrix 395 rows 255 cols
[2021-06-13 10:05:05] [INFO ] Computed 2 place invariants in 6 ms
[2021-06-13 10:05:06] [INFO ] [Real]Absence check using 2 positive place invariants in 3 ms returned sat
[2021-06-13 10:05:06] [INFO ] SMT Verify possible in real domain returnedunsat :19 sat :0 real:17
[2021-06-13 10:05:06] [INFO ] [Nat]Absence check using 2 positive place invariants in 3 ms returned sat
[2021-06-13 10:05:06] [INFO ] SMT Verify possible in nat domain returned unsat :17 sat :19
Successfully simplified 36 atomic propositions for a total of 8 simplifications.
[2021-06-13 10:05:06] [INFO ] Initial state test concluded for 2 properties.
FORMULA BART-PT-002-CTLCardinality-09 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA BART-PT-002-CTLCardinality-14 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Graph (trivial) has 395 edges and 255 vertex of which 255 / 255 are part of one of the 2 SCC in 4 ms
Free SCC test removed 253 places
Ensure Unique test removed 393 transitions
Reduce isomorphic transitions removed 393 transitions.
Reduce places removed 2 places and 0 transitions.
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 0 with 1 rules applied. Total rules applied 2 place count 0 transition count 1
Applied a total of 2 rules in 8 ms. Remains 0 /255 variables (removed 255) and now considering 1/395 (removed 394) transitions.
[2021-06-13 10:05:06] [INFO ] Removed 1 GAL types that were empty due to variable simplifications.
petri,
[2021-06-13 10:05:06] [INFO ] Initial state reduction rules for CTL removed 1 formulas.
[2021-06-13 10:05:06] [INFO ] Flatten gal took : 1 ms
FORMULA BART-PT-002-CTLCardinality-10 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
[2021-06-13 10:05:06] [INFO ] Flatten gal took : 0 ms
[2021-06-13 10:05:06] [INFO ] Input system was already deterministic with 1 transitions.
[2021-06-13 10:05:06] [INFO ] Flatten gal took : 16 ms
[2021-06-13 10:05:06] [INFO ] Initial state reduction rules for CTL removed 1 formulas.
FORMULA BART-PT-002-CTLCardinality-13 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
[2021-06-13 10:05:06] [INFO ] Flatten gal took : 16 ms
[2021-06-13 10:05:06] [INFO ] Applying decomposition
[2021-06-13 10:05:06] [INFO ] Flatten gal took : 16 ms
Converted graph to binary with : CommandLine [args=[/home/mcc/BenchKit/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202104292328/bin/convert-linux64, -i, /tmp/graph4169689850104974779.txt, -o, /tmp/graph4169689850104974779.bin, -w, /tmp/graph4169689850104974779.weights], workingDir=null]
Built communities with : CommandLine [args=[/home/mcc/BenchKit/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202104292328/bin/louvain-linux64, /tmp/graph4169689850104974779.bin, -l, -1, -v, -w, /tmp/graph4169689850104974779.weights, -q, 0, -e, 0.001], workingDir=null]
[2021-06-13 10:05:06] [INFO ] Decomposing Gal with order
[2021-06-13 10:05:06] [INFO ] Rewriting arrays to variables to allow decomposition.
[2021-06-13 10:05:06] [INFO ] Removed a total of 162 redundant transitions.
[2021-06-13 10:05:06] [INFO ] Flatten gal took : 60 ms
[2021-06-13 10:05:06] [INFO ] Fuse similar labels procedure discarded/fused a total of 126 labels/synchronizations in 22 ms.
[2021-06-13 10:05:06] [INFO ] Time to serialize gal into /tmp/CTLCardinality14580018990192737019.gal : 8 ms
[2021-06-13 10:05:06] [INFO ] Time to serialize properties into /tmp/CTLCardinality3838187988211438903.ctl : 1 ms
Invoking ITS tools like this :CommandLine [args=[/home/mcc/BenchKit/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202104292328/bin/its-ctl-linux64, --gc-threshold, 2000000, --quiet, -i, /tmp/CTLCardinality14580018990192737019.gal, -t, CGAL, -ctl, /tmp/CTLCardinality3838187988211438903.ctl, --gen-order, FOLLOW], workingDir=/home/mcc/execution]

its-ctl command run as :

/home/mcc/BenchKit/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202104292328/bin/its-ctl-linux64 --gc-threshold 2000000 --quiet -i /tmp/CTLCardinality14580018990192737019.gal -t CGAL -ctl /tmp/CTLCardinality3838187988211438903.ctl --gen-order FOLLOW
No direction supplied, using forward translation only.
Parsed 8 CTL formulae.
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,16254,0.242225,11080,2,1012,5,29946,6,0,1392,28675,0


Converting to forward existential form...Done !
original formula: AX(FALSE)
=> equivalent forward existential formula: [(EY(Init) * !(FALSE))] = FALSE
(forward)formula 0,0,0.272862,11080,1,0,6,29946,7,1,1737,28675,1
FORMULA BART-PT-002-CTLCardinality-01 FALSE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL USE_NUPN
Formula is FALSE !

***************************************

original formula: EF(!(AX(FALSE)))
=> equivalent forward existential formula: [(EY(FwdU(Init,TRUE)) * !(FALSE))] != FALSE
(forward)formula 1,1,0.297616,11080,1,0,6,29946,7,1,2171,28675,2
FORMULA BART-PT-002-CTLCardinality-02 TRUE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL USE_NUPN
Formula is TRUE !

***************************************

original formula: AF(EX(AX(FALSE)))
=> equivalent forward existential formula: [FwdG(Init,!(EX(!(EX(!(FALSE))))))] = FALSE
Reverse transition relation is exact ! Faster fixpoint algorithm enabled.
(forward)formula 2,0,0.813011,27036,1,0,6,113547,13,2,6020,42548,9
FORMULA BART-PT-002-CTLCardinality-05 FALSE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL USE_NUPN
Formula is FALSE !

***************************************

original formula: EX(TRUE)
=> equivalent forward existential formula: [(EY(Init) * TRUE)] != FALSE
(forward)formula 3,1,0.813163,27036,1,0,6,113547,13,2,6020,42548,9
FORMULA BART-PT-002-CTLCardinality-06 TRUE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL USE_NUPN
Formula is TRUE !

***************************************

original formula: EX(EF((((((((((gu53.TrainState_1_2_34+1)+1)+1)+gu53.TrainState_2_3_21)+gu53.TrainState_2_3_24)+gu53.TrainState_2_3_8)+gu53.TrainState_2_1_15)<=(((gu53.TrainState_2_1_20+1)+gu53.TrainState_1_2_7)+gu53.TrainState_1_2_33)) * EX(TRUE))))
=> equivalent forward existential formula: [(EY((FwdU(EY(Init),TRUE) * ((((((((gu53.TrainState_1_2_34+1)+1)+1)+gu53.TrainState_2_3_21)+gu53.TrainState_2_3_24)+gu53.TrainState_2_3_8)+gu53.TrainState_2_1_15)<=(((gu53.TrainState_2_1_20+1)+gu53.TrainState_1_2_7)+gu53.TrainState_1_2_33)))) * TRUE)] != FALSE
(forward)formula 4,1,0.851875,28356,1,0,8,119321,14,4,6064,51279,13
FORMULA BART-PT-002-CTLCardinality-08 TRUE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL USE_NUPN
Formula is TRUE !

***************************************

original formula: EG((AX(FALSE) + EX(TRUE)))
=> equivalent forward existential formula: [FwdG(Init,(!(EX(!(FALSE))) + EX(TRUE)))] != FALSE
(forward)formula 5,1,0.852202,28356,1,0,8,119321,14,4,6064,51279,13
FORMULA BART-PT-002-CTLCardinality-11 TRUE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL USE_NUPN
Formula is TRUE !

***************************************

original formula: AX(FALSE)
=> equivalent forward existential formula: [(EY(Init) * !(FALSE))] = FALSE
(forward)formula 6,0,0.852317,28356,1,0,8,119321,14,4,6064,51279,13
FORMULA BART-PT-002-CTLCardinality-12 FALSE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL USE_NUPN
Formula is FALSE !

***************************************

original formula: EF(AG((((((2+gu15.TrainState_1_4_28)+gu15.TrainState_2_4_14)+gu15.TrainState_2_1_23)<=(((((((gu15.TrainState_1_4_22+1)+gu15.TrainState_1_4_29)+1)+gu15.TrainState_2_0_0)+1)+gu15.TrainState_1_3_11)+gu15.TrainState_2_2_10))||(((((6+gi3.gi1.gi2.gu56.TrainState_2_1_31)+1)+gi3.gi1.gi2.gu56.TrainState_2_4_22)+1)>=46))))
=> equivalent forward existential formula: [(FwdU(Init,TRUE) * !(E(TRUE U !((((((2+gu15.TrainState_1_4_28)+gu15.TrainState_2_4_14)+gu15.TrainState_2_1_23)<=(((((((gu15.TrainState_1_4_22+1)+gu15.TrainState_1_4_29)+1)+gu15.TrainState_2_0_0)+1)+gu15.TrainState_1_3_11)+gu15.TrainState_2_2_10))||(((((6+gi3.gi1.gi2.gu56.TrainState_2_1_31)+1)+gi3.gi1.gi2.gu56.TrainState_2_4_22)+1)>=46))))))] != FALSE
(forward)formula 7,0,0.936182,30204,1,0,9,129768,20,4,6589,55135,16
FORMULA BART-PT-002-CTLCardinality-15 FALSE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL USE_NUPN
Formula is FALSE !

***************************************


BK_STOP 1623578708595

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

+ export BINDIR=/home/mcc/BenchKit/bin//../
+ BINDIR=/home/mcc/BenchKit/bin//../
++ pwd
+ export MODEL=/home/mcc/execution
+ MODEL=/home/mcc/execution
+ [[ CTLCardinality = StateSpace ]]
+ /home/mcc/BenchKit/bin//..//runeclipse.sh /home/mcc/execution CTLCardinality -its -ltsmin -greatspnpath /home/mcc/BenchKit/bin//..//greatspn/ -order META -manyOrder -smt -timeout 3600
+ ulimit -s 65536
+ [[ -z '' ]]
+ export LTSMIN_MEM_SIZE=8589934592
+ LTSMIN_MEM_SIZE=8589934592
++ cut -d . -f 9
++ ls /home/mcc/BenchKit/bin//..//itstools/plugins/fr.lip6.move.gal.application.pnmcc_1.0.0.202104292328.jar
+ VERSION=0
+ echo 'Running Version 0'
+ /home/mcc/BenchKit/bin//..//itstools/its-tools -data /home/mcc/execution/workspace -pnfolder /home/mcc/execution -examination CTLCardinality -spotpath /home/mcc/BenchKit/bin//..//ltlfilt -z3path /home/mcc/BenchKit/bin//..//z3/bin/z3 -yices2path /home/mcc/BenchKit/bin//..//yices/bin/yices -its -ltsmin -greatspnpath /home/mcc/BenchKit/bin//..//greatspn/ -order META -manyOrder -smt -timeout 3600 -vmargs -Dosgi.locking=none -Declipse.stateSaveDelayInterval=-1 -Dosgi.configuration.area=/tmp/.eclipse -Xss128m -Xms40m -Xmx16000m

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="BART-PT-002"
export BK_EXAMINATION="CTLCardinality"
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 2-4028"
echo " Executing tool itstools"
echo " Input is BART-PT-002, examination is CTLCardinality"
echo " Time confinement is $BK_TIME_CONFINEMENT seconds"
echo " Memory confinement is 16384 MBytes"
echo " Number of cores is 4"
echo " Run identifier is r007-tall-162037990200595"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/BART-PT-002.tgz
mv BART-PT-002 execution
cd execution
if [ "CTLCardinality" = "ReachabilityDeadlock" ] || [ "CTLCardinality" = "UpperBounds" ] || [ "CTLCardinality" = "QuasiLiveness" ] || [ "CTLCardinality" = "StableMarking" ] || [ "CTLCardinality" = "Liveness" ] || [ "CTLCardinality" = "OneSafe" ] || [ "CTLCardinality" = "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 [ "CTLCardinality" = "UpperBounds" ] ; then
echo "The expected result is a vector of positive values"
echo NUM_VECTOR
elif [ "CTLCardinality" != "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 "CTLCardinality.txt" ] ; then
echo "here is the order used to build the result vector(from text file)"
for x in $(grep Property CTLCardinality.txt | cut -d ' ' -f 2 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ -f "CTLCardinality.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 '' CTLCardinality.xml | cut -d '>' -f 2 | cut -d '<' -f 1 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ "CTLCardinality" = "ReachabilityDeadlock" ] || [ "CTLCardinality" = "QuasiLiveness" ] || [ "CTLCardinality" = "StableMarking" ] || [ "CTLCardinality" = "Liveness" ] || [ "CTLCardinality" = "OneSafe" ] ; then
echo "FORMULA_NAME CTLCardinality"
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 ;