fond
Model Checking Contest 2022
12th edition, Bergen, Norway, June 21, 2022
Execution of r010-tajo-165245701800227
Last Updated
Jun 22, 2022

About the Execution of 2021-gold for BART-PT-005

Execution Summary
Max Memory
Used (MB)
Time wait (ms) CPU Usage (ms) I/O Wait (ms) Computed Result Execution
Status
311.384 11309.00 21928.00 65.50 FFFTTTFFTTTTTFFT normal

Execution Chart

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

Trace from the execution

Formatting '/mnt/tpsp/fkordon/mcc2022-input.r010-tajo-165245701800227.qcow2', fmt=qcow2 size=4294967296 backing_file='/mnt/tpsp/fkordon/mcc2022-input.qcow2' encryption=off cluster_size=65536 lazy_refcounts=off
Waiting for the VM to be ready (probing ssh)
......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................
=====================================================================
Generated by BenchKit 2-4028
Executing tool gold2021
Input is BART-PT-005, examination is ReachabilityCardinality
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r010-tajo-165245701800227
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 9.8M
-rw-r--r-- 1 mcc users 149K Apr 29 20:28 CTLCardinality.txt
-rw-r--r-- 1 mcc users 520K Apr 29 20:28 CTLCardinality.xml
-rw-r--r-- 1 mcc users 302K Apr 29 20:15 CTLFireability.txt
-rw-r--r-- 1 mcc users 1021K Apr 29 20:15 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K May 10 09:33 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 6.4K May 10 09:33 GenericPropertiesVerdict.xml
-rw-r--r-- 1 mcc users 253K May 9 07:05 LTLCardinality.txt
-rw-r--r-- 1 mcc users 672K May 9 07:05 LTLCardinality.xml
-rw-r--r-- 1 mcc users 94K May 9 07:05 LTLFireability.txt
-rw-r--r-- 1 mcc users 254K May 9 07:05 LTLFireability.xml
-rw-r--r-- 1 mcc users 543K Apr 29 20:50 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 2.0M Apr 29 20:50 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 627K Apr 29 20:38 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 2.1M Apr 29 20:38 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 33K May 9 07:05 UpperBounds.txt
-rw-r--r-- 1 mcc users 68K May 9 07:05 UpperBounds.xml
-rw-r--r-- 1 mcc users 5 May 10 09:33 equiv_col
-rw-r--r-- 1 mcc users 4 May 10 09:33 instance
-rw-r--r-- 1 mcc users 6 May 10 09:33 iscolored
-rw-r--r-- 1 mcc users 1.3M May 10 09:33 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-005-ReachabilityCardinality-00
FORMULA_NAME BART-PT-005-ReachabilityCardinality-01
FORMULA_NAME BART-PT-005-ReachabilityCardinality-02
FORMULA_NAME BART-PT-005-ReachabilityCardinality-03
FORMULA_NAME BART-PT-005-ReachabilityCardinality-04
FORMULA_NAME BART-PT-005-ReachabilityCardinality-05
FORMULA_NAME BART-PT-005-ReachabilityCardinality-06
FORMULA_NAME BART-PT-005-ReachabilityCardinality-07
FORMULA_NAME BART-PT-005-ReachabilityCardinality-08
FORMULA_NAME BART-PT-005-ReachabilityCardinality-09
FORMULA_NAME BART-PT-005-ReachabilityCardinality-10
FORMULA_NAME BART-PT-005-ReachabilityCardinality-11
FORMULA_NAME BART-PT-005-ReachabilityCardinality-12
FORMULA_NAME BART-PT-005-ReachabilityCardinality-13
FORMULA_NAME BART-PT-005-ReachabilityCardinality-14
FORMULA_NAME BART-PT-005-ReachabilityCardinality-15

=== Now, execution of the tool begins

BK_START 1655070253199

Running Version 0
[2022-06-12 21:44:15] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, ReachabilityCardinality, -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]
[2022-06-12 21:44:15] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2022-06-12 21:44:16] [INFO ] Load time of PNML (sax parser for PT used): 251 ms
[2022-06-12 21:44:16] [INFO ] Transformed 870 places.
[2022-06-12 21:44:16] [INFO ] Transformed 1010 transitions.
[2022-06-12 21:44:16] [INFO ] Found NUPN structural information;
[2022-06-12 21:44:16] [INFO ] Parsed PT model containing 870 places and 1010 transitions in 421 ms.
Parsed 16 properties from file /home/mcc/execution/ReachabilityCardinality.xml in 189 ms.
Working with output stream class java.io.PrintStream
Reduce places removed 210 places and 0 transitions.
FORMULA BART-PT-005-ReachabilityCardinality-00 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA BART-PT-005-ReachabilityCardinality-01 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA BART-PT-005-ReachabilityCardinality-02 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA BART-PT-005-ReachabilityCardinality-03 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA BART-PT-005-ReachabilityCardinality-04 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA BART-PT-005-ReachabilityCardinality-05 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA BART-PT-005-ReachabilityCardinality-06 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA BART-PT-005-ReachabilityCardinality-07 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA BART-PT-005-ReachabilityCardinality-11 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA BART-PT-005-ReachabilityCardinality-12 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Incomplete random walk after 10000 steps, including 2 resets, run finished after 76 ms. (steps per millisecond=131 ) properties (out of 6) seen :2
FORMULA BART-PT-005-ReachabilityCardinality-14 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA BART-PT-005-ReachabilityCardinality-13 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 54 ms. (steps per millisecond=185 ) properties (out of 4) seen :1
FORMULA BART-PT-005-ReachabilityCardinality-08 TRUE TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 44 ms. (steps per millisecond=227 ) properties (out of 3) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 10 ms. (steps per millisecond=1000 ) properties (out of 3) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 25 ms. (steps per millisecond=400 ) properties (out of 3) seen :0
Running SMT prover for 3 properties.
// Phase 1: matrix 1010 rows 660 cols
[2022-06-12 21:44:16] [INFO ] Computed 5 place invariants in 47 ms
[2022-06-12 21:44:17] [INFO ] [Real]Absence check using 5 positive place invariants in 27 ms returned sat
[2022-06-12 21:44:17] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2022-06-12 21:44:17] [INFO ] [Real]Absence check using state equation in 281 ms returned sat
[2022-06-12 21:44:17] [INFO ] Solution in real domain found non-integer solution.
[2022-06-12 21:44:17] [INFO ] [Nat]Absence check using 5 positive place invariants in 52 ms returned sat
[2022-06-12 21:44:17] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2022-06-12 21:44:18] [INFO ] [Nat]Absence check using state equation in 285 ms returned sat
[2022-06-12 21:44:18] [INFO ] Computed and/alt/rep : 830/1350/830 causal constraints (skipped 0 transitions) in 127 ms.
[2022-06-12 21:44:22] [WARNING] SMT solver failed with error :java.lang.RuntimeException: SMT solver raised an error when submitting script. Raised (error "Failed to assert expression: java.io.IOException: Stream close... while checking expression at index 0
[2022-06-12 21:44:22] [INFO ] [Real]Absence check using 5 positive place invariants in 10 ms returned sat
[2022-06-12 21:44:22] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2022-06-12 21:44:23] [INFO ] [Real]Absence check using state equation in 286 ms returned sat
[2022-06-12 21:44:23] [INFO ] Solution in real domain found non-integer solution.
[2022-06-12 21:44:23] [INFO ] [Real]Absence check using 5 positive place invariants in 12 ms returned sat
[2022-06-12 21:44:23] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2022-06-12 21:44:23] [INFO ] [Real]Absence check using state equation in 296 ms returned sat
[2022-06-12 21:44:23] [INFO ] Solution in real domain found non-integer solution.
FORMULA BART-PT-005-ReachabilityCardinality-15 TRUE TECHNIQUES STRUCTURAL_REDUCTION TOPOLOGICAL SAT_SMT
FORMULA BART-PT-005-ReachabilityCardinality-10 TRUE TECHNIQUES STRUCTURAL_REDUCTION TOPOLOGICAL SAT_SMT
Fused 3 Parikh solutions to 1 different solutions.
Support contains 16 out of 660 places. Attempting structural reductions.
Starting structural reductions, iteration 0 : 660/660 places, 1010/1010 transitions.
Graph (trivial) has 966 edges and 660 vertex of which 563 / 660 are part of one of the 5 SCC in 12 ms
Free SCC test removed 558 places
Drop transitions removed 866 transitions
Ensure Unique test removed 5 transitions
Reduce isomorphic transitions removed 871 transitions.
Drop transitions removed 45 transitions
Trivial Post-agglo rules discarded 45 transitions
Performed 45 trivial Post agglomeration. Transition count delta: 45
Iterating post reduction 0 with 45 rules applied. Total rules applied 46 place count 102 transition count 94
Reduce places removed 45 places and 0 transitions.
Ensure Unique test removed 5 transitions
Reduce isomorphic transitions removed 5 transitions.
Drop transitions removed 4 transitions
Trivial Post-agglo rules discarded 4 transitions
Performed 4 trivial Post agglomeration. Transition count delta: 4
Iterating post reduction 1 with 54 rules applied. Total rules applied 100 place count 57 transition count 85
Reduce places removed 4 places and 0 transitions.
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Drop transitions removed 1 transitions
Trivial Post-agglo rules discarded 1 transitions
Performed 1 trivial Post agglomeration. Transition count delta: 1
Iterating post reduction 2 with 7 rules applied. Total rules applied 107 place count 53 transition count 82
Reduce places removed 1 places and 0 transitions.
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Drop transitions removed 1 transitions
Trivial Post-agglo rules discarded 1 transitions
Performed 1 trivial Post agglomeration. Transition count delta: 1
Iterating post reduction 3 with 3 rules applied. Total rules applied 110 place count 52 transition count 80
Reduce places removed 1 places and 0 transitions.
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Drop transitions removed 1 transitions
Trivial Post-agglo rules discarded 1 transitions
Performed 1 trivial Post agglomeration. Transition count delta: 1
Iterating post reduction 4 with 3 rules applied. Total rules applied 113 place count 51 transition count 78
Reduce places removed 1 places and 0 transitions.
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Performed 5 Post agglomeration using F-continuation condition.Transition count delta: 5
Iterating post reduction 5 with 7 rules applied. Total rules applied 120 place count 50 transition count 72
Reduce places removed 5 places and 0 transitions.
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 6 with 6 rules applied. Total rules applied 126 place count 45 transition count 71
Performed 2 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 7 with 2 Pre rules applied. Total rules applied 126 place count 45 transition count 69
Deduced a syphon composed of 2 places in 0 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 7 with 4 rules applied. Total rules applied 130 place count 43 transition count 69
Discarding 6 places :
Symmetric choice reduction at 7 with 6 rule applications. Total rules 136 place count 37 transition count 63
Iterating global reduction 7 with 6 rules applied. Total rules applied 142 place count 37 transition count 63
Ensure Unique test removed 6 transitions
Reduce isomorphic transitions removed 6 transitions.
Drop transitions removed 1 transitions
Trivial Post-agglo rules discarded 1 transitions
Performed 1 trivial Post agglomeration. Transition count delta: 1
Iterating post reduction 7 with 7 rules applied. Total rules applied 149 place count 37 transition count 56
Reduce places removed 1 places and 0 transitions.
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 8 with 2 rules applied. Total rules applied 151 place count 36 transition count 55
Performed 6 Post agglomeration using F-continuation condition.Transition count delta: 6
Deduced a syphon composed of 6 places in 0 ms
Reduce places removed 6 places and 0 transitions.
Iterating global reduction 9 with 12 rules applied. Total rules applied 163 place count 30 transition count 49
Ensure Unique test removed 6 transitions
Reduce isomorphic transitions removed 6 transitions.
Iterating post reduction 9 with 6 rules applied. Total rules applied 169 place count 30 transition count 43
Drop transitions removed 2 transitions
Redundant transition composition rules discarded 2 transitions
Iterating global reduction 10 with 2 rules applied. Total rules applied 171 place count 30 transition count 41
Free-agglomeration rule applied 7 times.
Iterating global reduction 10 with 7 rules applied. Total rules applied 178 place count 30 transition count 34
Reduce places removed 7 places and 0 transitions.
Iterating post reduction 10 with 7 rules applied. Total rules applied 185 place count 23 transition count 34
Drop transitions removed 1 transitions
Redundant transition composition rules discarded 1 transitions
Iterating global reduction 11 with 1 rules applied. Total rules applied 186 place count 23 transition count 33
Applied a total of 186 rules in 68 ms. Remains 23 /660 variables (removed 637) and now considering 33/1010 (removed 977) transitions.
Finished structural reductions, in 1 iterations. Remains : 23/660 places, 33/1010 transitions.
[2022-06-12 21:44:24] [INFO ] Flatten gal took : 21 ms
[2022-06-12 21:44:24] [INFO ] Flatten gal took : 4 ms
[2022-06-12 21:44:24] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality4063709041411389065.gal : 4 ms
[2022-06-12 21:44:24] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality1185691135372289044.prop : 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-reach-linux64, --gc-threshold, 2000000, --quiet, -i, /tmp/ReachabilityCardinality4063709041411389065.gal, -t, CGAL, -reachable-file, /tmp/ReachabilityCardinality1185691135372289044.prop, --nowitness, --gen-order, FOLLOW], workingDir=/home/mcc/execution]

its-reach command run as :

/home/mcc/BenchKit/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202104292328/bin/its-reach-linux64 --gc-threshold 2000000 --quiet -i /tmp/ReachabilityCardinality4063709041411389065.gal -t CGAL -reachable-file /tmp/ReachabilityCardinality1185691135372289044.prop --nowitness --gen-order FOLLOW
Loading property file /tmp/ReachabilityCardinality1185691135372289044.prop.
SDD proceeding with computation,1 properties remain. new max is 4
SDD size :1 after 7
SDD proceeding with computation,1 properties remain. new max is 8
SDD size :7 after 10
SDD proceeding with computation,1 properties remain. new max is 16
SDD size :10 after 34
SDD proceeding with computation,1 properties remain. new max is 32
SDD size :34 after 280
Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
petri\_inst\_inst,1400,0.012365,3836,2,68,9,480,7,0,157,222,0
Total reachable state count : 1400

Verifying 1 reachability properties.
Reachability property BART-PT-005-ReachabilityCardinality-09 is true.
FORMULA BART-PT-005-ReachabilityCardinality-09 TRUE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL COLLATERAL_PROCESSING

Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
BART-PT-005-ReachabilityCardinality-09,12,0.013737,4192,2,55,9,480,7,0,183,222,0
All properties solved without resorting to model-checking.

BK_STOP 1655070264508

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

+ export BINDIR=/home/mcc/BenchKit/bin//../
+ BINDIR=/home/mcc/BenchKit/bin//../
++ pwd
+ export MODEL=/home/mcc/execution
+ MODEL=/home/mcc/execution
+ [[ ReachabilityCardinality = StateSpace ]]
+ /home/mcc/BenchKit/bin//..//runeclipse.sh /home/mcc/execution ReachabilityCardinality -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 ReachabilityCardinality -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-005"
export BK_EXAMINATION="ReachabilityCardinality"
export BK_TOOL="gold2021"
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 gold2021"
echo " Input is BART-PT-005, examination is ReachabilityCardinality"
echo " Time confinement is $BK_TIME_CONFINEMENT seconds"
echo " Memory confinement is 16384 MBytes"
echo " Number of cores is 4"
echo " Run identifier is r010-tajo-165245701800227"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/BART-PT-005.tgz
mv BART-PT-005 execution
cd execution
if [ "ReachabilityCardinality" = "ReachabilityDeadlock" ] || [ "ReachabilityCardinality" = "UpperBounds" ] || [ "ReachabilityCardinality" = "QuasiLiveness" ] || [ "ReachabilityCardinality" = "StableMarking" ] || [ "ReachabilityCardinality" = "Liveness" ] || [ "ReachabilityCardinality" = "OneSafe" ] || [ "ReachabilityCardinality" = "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 [ "ReachabilityCardinality" = "UpperBounds" ] ; then
echo "The expected result is a vector of positive values"
echo NUM_VECTOR
elif [ "ReachabilityCardinality" != "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 "ReachabilityCardinality.txt" ] ; then
echo "here is the order used to build the result vector(from text file)"
for x in $(grep Property ReachabilityCardinality.txt | cut -d ' ' -f 2 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ -f "ReachabilityCardinality.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 '' ReachabilityCardinality.xml | cut -d '>' -f 2 | cut -d '<' -f 1 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ "ReachabilityCardinality" = "ReachabilityDeadlock" ] || [ "ReachabilityCardinality" = "QuasiLiveness" ] || [ "ReachabilityCardinality" = "StableMarking" ] || [ "ReachabilityCardinality" = "Liveness" ] || [ "ReachabilityCardinality" = "OneSafe" ] ; then
echo "FORMULA_NAME ReachabilityCardinality"
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 ;