fond
Model Checking Contest 2023
13th edition, Paris, France, April 26, 2023 (at TOOLympics II)
Execution of r521-tall-167987246500319
Last Updated
May 14, 2023

About the Execution of LTSMin+red for Murphy-COL-D4N025

Execution Summary
Max Memory
Used (MB)
Time wait (ms) CPU Usage (ms) I/O Wait (ms) Computed Result Execution
Status
221.632 5473.00 9146.00 342.80 TFTFTFFFTFFFFTFF normal

Execution Chart

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

Trace from the execution

Formatting '/data/fkordon/mcc2023-input.r521-tall-167987246500319.qcow2', fmt=qcow2 size=4294967296 backing_file=/data/fkordon/mcc2023-input.qcow2 cluster_size=65536 lazy_refcounts=off refcount_bits=16
Waiting for the VM to be ready (probing ssh)
.................
=====================================================================
Generated by BenchKit 2-5348
Executing tool ltsminxred
Input is Murphy-COL-D4N025, examination is ReachabilityFireability
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r521-tall-167987246500319
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 460K
-rw-r--r-- 1 mcc users 7.8K Mar 23 15:21 CTLCardinality.txt
-rw-r--r-- 1 mcc users 87K Mar 23 15:21 CTLCardinality.xml
-rw-r--r-- 1 mcc users 5.7K Mar 23 15:20 CTLFireability.txt
-rw-r--r-- 1 mcc users 57K Mar 23 15:20 CTLFireability.xml
-rw-r--r-- 1 mcc users 3.2K Mar 23 07:07 LTLCardinality.txt
-rw-r--r-- 1 mcc users 23K Mar 23 07:07 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.1K Mar 23 07:07 LTLFireability.txt
-rw-r--r-- 1 mcc users 19K Mar 23 07:07 LTLFireability.xml
-rw-r--r-- 1 mcc users 1 Mar 26 22:42 NewModel
-rw-r--r-- 1 mcc users 9.0K Mar 23 15:22 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 95K Mar 23 15:22 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 8.1K Mar 23 15:22 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 78K Mar 23 15:22 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.6K Mar 23 07:07 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.6K Mar 23 07:07 UpperBounds.xml
-rw-r--r-- 1 mcc users 5 Mar 26 22:42 equiv_pt
-rw-r--r-- 1 mcc users 7 Mar 26 22:42 instance
-rw-r--r-- 1 mcc users 5 Mar 26 22:42 iscolored
-rw-r--r-- 1 mcc users 20K Mar 31 16:48 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 Murphy-COL-D4N025-ReachabilityFireability-00
FORMULA_NAME Murphy-COL-D4N025-ReachabilityFireability-01
FORMULA_NAME Murphy-COL-D4N025-ReachabilityFireability-02
FORMULA_NAME Murphy-COL-D4N025-ReachabilityFireability-03
FORMULA_NAME Murphy-COL-D4N025-ReachabilityFireability-04
FORMULA_NAME Murphy-COL-D4N025-ReachabilityFireability-05
FORMULA_NAME Murphy-COL-D4N025-ReachabilityFireability-06
FORMULA_NAME Murphy-COL-D4N025-ReachabilityFireability-07
FORMULA_NAME Murphy-COL-D4N025-ReachabilityFireability-08
FORMULA_NAME Murphy-COL-D4N025-ReachabilityFireability-09
FORMULA_NAME Murphy-COL-D4N025-ReachabilityFireability-10
FORMULA_NAME Murphy-COL-D4N025-ReachabilityFireability-11
FORMULA_NAME Murphy-COL-D4N025-ReachabilityFireability-12
FORMULA_NAME Murphy-COL-D4N025-ReachabilityFireability-13
FORMULA_NAME Murphy-COL-D4N025-ReachabilityFireability-14
FORMULA_NAME Murphy-COL-D4N025-ReachabilityFireability-15

=== Now, execution of the tool begins

BK_START 1680900144473

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=ltsminxred
BK_EXAMINATION=ReachabilityFireability
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=Murphy-COL-D4N025
Applying reductions before tool ltsmin
Invoking reducer
Running Version 202304061127
[2023-04-07 20:42:26] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, ReachabilityFireability, -timeout, 360, -rebuildPNML]
[2023-04-07 20:42:26] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2023-04-07 20:42:26] [INFO ] Detected file is not PT type :http://www.pnml.org/version-2009/grammar/symmetricnet
log4j:WARN No appenders could be found for logger (org.apache.axiom.locator.DefaultOMMetaFactoryLocator).
log4j:WARN Please initialize the log4j system properly.
log4j:WARN See http://logging.apache.org/log4j/1.2/faq.html#noconfig for more info.
[2023-04-07 20:42:26] [WARNING] Using fallBack plugin, rng conformance not checked
[2023-04-07 20:42:26] [INFO ] Load time of PNML (colored model parsed with PNMLFW) : 441 ms
[2023-04-07 20:42:26] [INFO ] Imported 6 HL places and 7 HL transitions for a total of 30 PT places and 35.0 transition bindings in 16 ms.
Parsed 16 properties from file /home/mcc/execution/ReachabilityFireability.xml in 31 ms.
Working with output stream class java.io.PrintStream
FORMULA Murphy-COL-D4N025-ReachabilityFireability-07 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
[2023-04-07 20:42:27] [INFO ] Built PT skeleton of HLPN with 6 places and 7 transitions 27 arcs in 4 ms.
[2023-04-07 20:42:27] [INFO ] Skeletonized 15 HLPN properties in 1 ms.
Remains 2 properties that can be checked using skeleton over-approximation.
Computed a total of 0 stabilizing places and 0 stable transitions
Initial state reduction rules removed 1 formulas.
Incomplete random walk after 100077 steps, including 2 resets, run finished after 95 ms. (steps per millisecond=1053 ) properties (out of 3) seen :2
Running SMT prover for 1 properties.
// Phase 1: matrix 7 rows 6 cols
[2023-04-07 20:42:27] [INFO ] Computed 2 invariants in 5 ms
[2023-04-07 20:42:27] [INFO ] [Real]Absence check using 2 positive place invariants in 7 ms returned sat
[2023-04-07 20:42:27] [INFO ] After 258ms SMT Verify possible using all constraints in real domain returned unsat :1 sat :0
Successfully simplified 1 atomic propositions for a total of 1 simplifications.
[2023-04-07 20:42:27] [INFO ] Flatten gal took : 16 ms
[2023-04-07 20:42:27] [INFO ] Flatten gal took : 2 ms
Arc [2:1*[(MOD (ADD $x 1) 5)]] contains successor/predecessor on variables of sort CD
[2023-04-07 20:42:27] [INFO ] Unfolded HLPN to a Petri net with 30 places and 35 transitions 135 arcs in 6 ms.
[2023-04-07 20:42:27] [INFO ] Unfolded 15 HLPN properties in 1 ms.
Initial state reduction rules removed 7 formulas.
FORMULA Murphy-COL-D4N025-ReachabilityFireability-04 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA Murphy-COL-D4N025-ReachabilityFireability-05 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA Murphy-COL-D4N025-ReachabilityFireability-06 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA Murphy-COL-D4N025-ReachabilityFireability-08 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA Murphy-COL-D4N025-ReachabilityFireability-12 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA Murphy-COL-D4N025-ReachabilityFireability-14 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA Murphy-COL-D4N025-ReachabilityFireability-15 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Incomplete random walk after 10003 steps, including 2 resets, run finished after 142 ms. (steps per millisecond=70 ) properties (out of 8) seen :5
FORMULA Murphy-COL-D4N025-ReachabilityFireability-13 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA Murphy-COL-D4N025-ReachabilityFireability-11 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA Murphy-COL-D4N025-ReachabilityFireability-10 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA Murphy-COL-D4N025-ReachabilityFireability-03 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA Murphy-COL-D4N025-ReachabilityFireability-01 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 89 ms. (steps per millisecond=112 ) properties (out of 3) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 46 ms. (steps per millisecond=217 ) properties (out of 3) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 22 ms. (steps per millisecond=454 ) properties (out of 3) seen :0
Running SMT prover for 3 properties.
// Phase 1: matrix 35 rows 30 cols
[2023-04-07 20:42:27] [INFO ] Computed 6 invariants in 7 ms
[2023-04-07 20:42:28] [INFO ] [Real]Absence check using 2 positive place invariants in 4 ms returned sat
[2023-04-07 20:42:28] [INFO ] [Real]Absence check using 2 positive and 4 generalized place invariants in 2 ms returned sat
[2023-04-07 20:42:28] [INFO ] After 117ms SMT Verify possible using all constraints in real domain returned unsat :2 sat :0 real:1
[2023-04-07 20:42:28] [INFO ] [Nat]Absence check using 2 positive place invariants in 1 ms returned sat
[2023-04-07 20:42:28] [INFO ] [Nat]Absence check using 2 positive and 4 generalized place invariants in 1 ms returned sat
[2023-04-07 20:42:28] [INFO ] After 31ms SMT Verify possible using state equation in natural domain returned unsat :2 sat :1
[2023-04-07 20:42:28] [INFO ] State equation strengthened by 10 read => feed constraints.
[2023-04-07 20:42:28] [INFO ] After 9ms SMT Verify possible using 10 Read/Feed constraints in natural domain returned unsat :2 sat :1
[2023-04-07 20:42:28] [INFO ] After 35ms SMT Verify possible using trap constraints in natural domain returned unsat :2 sat :1
Attempting to minimize the solution found.
Minimization took 9 ms.
[2023-04-07 20:42:28] [INFO ] After 155ms SMT Verify possible using all constraints in natural domain returned unsat :2 sat :1
FORMULA Murphy-COL-D4N025-ReachabilityFireability-02 TRUE TECHNIQUES STRUCTURAL_REDUCTION TOPOLOGICAL SAT_SMT
FORMULA Murphy-COL-D4N025-ReachabilityFireability-00 TRUE TECHNIQUES STRUCTURAL_REDUCTION TOPOLOGICAL SAT_SMT
Fused 3 Parikh solutions to 1 different solutions.
Parikh walk visited 0 properties in 2 ms.
Support contains 10 out of 30 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 30/30 places, 35/35 transitions.
Graph (complete) has 115 edges and 30 vertex of which 15 are kept as prefixes of interest. Removing 15 places using SCC suffix rule.0 ms
Discarding 15 places :
Also discarding 10 output transitions
Drop transitions removed 10 transitions
Drop transitions removed 5 transitions
Reduce isomorphic transitions removed 5 transitions.
Iterating post reduction 0 with 5 rules applied. Total rules applied 6 place count 15 transition count 20
Applied a total of 6 rules in 10 ms. Remains 15 /30 variables (removed 15) and now considering 20/35 (removed 15) transitions.
// Phase 1: matrix 20 rows 15 cols
[2023-04-07 20:42:28] [INFO ] Computed 0 invariants in 1 ms
[2023-04-07 20:42:28] [INFO ] Dead Transitions using invariants and state equation in 26 ms found 0 transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 38 ms. Remains : 15/30 places, 20/35 transitions.
Incomplete random walk after 10000 steps, including 2 resets, run finished after 16 ms. (steps per millisecond=625 ) properties (out of 1) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 18 ms. (steps per millisecond=555 ) properties (out of 1) seen :0
Probably explored full state space saw : 7776 states, properties seen :0
Probabilistic random walk after 59616 steps, saw 7776 distinct states, run finished after 72 ms. (steps per millisecond=828 ) properties seen :0
Explored full state space saw : 7776 states, properties seen :0
Exhaustive walk after 59616 steps, saw 7776 distinct states, run finished after 38 ms. (steps per millisecond=1568 ) properties seen :0
FORMULA Murphy-COL-D4N025-ReachabilityFireability-09 FALSE TECHNIQUES TOPOLOGICAL EXHAUSTIVE_WALK
Parikh walk visited 0 properties in 0 ms.
All properties solved without resorting to model-checking.
Total runtime 1987 ms.
pnml2lts-sym model.pnml --lace-workers=4 --vset=lddmc --saturation=sat -rbs,w2W,ru,hf --sylvan-sizes=20,28,20,28 --inv-bin-par --invariant=/tmp/462/inv_0_ --invariant=/tmp/462/inv_1_ --invariant=/tmp/462/inv_2_ --invariant=/tmp/462/inv_3_ --invariant=/tmp/462/inv_4_ --invariant=/tmp/462/inv_5_ --invariant=/tmp/462/inv_6_ --invariant=/tmp/462/inv_7_ --invariant=/tmp/462/inv_8_ --invariant=/tmp/462/inv_9_ --invariant=/tmp/462/inv_10_ --invariant=/tmp/462/inv_11_ --invariant=/tmp/462/inv_12_ --invariant=/tmp/462/inv_13_ --invariant=/tmp/462/inv_14_ --invariant=/tmp/462/inv_15_ --inv-par
Could not compute solution for formula : Murphy-COL-D4N025-ReachabilityFireability-00
Could not compute solution for formula : Murphy-COL-D4N025-ReachabilityFireability-01
Could not compute solution for formula : Murphy-COL-D4N025-ReachabilityFireability-02
Could not compute solution for formula : Murphy-COL-D4N025-ReachabilityFireability-03
Could not compute solution for formula : Murphy-COL-D4N025-ReachabilityFireability-04
Could not compute solution for formula : Murphy-COL-D4N025-ReachabilityFireability-05
Could not compute solution for formula : Murphy-COL-D4N025-ReachabilityFireability-06
Could not compute solution for formula : Murphy-COL-D4N025-ReachabilityFireability-07
Could not compute solution for formula : Murphy-COL-D4N025-ReachabilityFireability-08
Could not compute solution for formula : Murphy-COL-D4N025-ReachabilityFireability-09
Could not compute solution for formula : Murphy-COL-D4N025-ReachabilityFireability-10
Could not compute solution for formula : Murphy-COL-D4N025-ReachabilityFireability-11
Could not compute solution for formula : Murphy-COL-D4N025-ReachabilityFireability-12
Could not compute solution for formula : Murphy-COL-D4N025-ReachabilityFireability-13
Could not compute solution for formula : Murphy-COL-D4N025-ReachabilityFireability-14
Could not compute solution for formula : Murphy-COL-D4N025-ReachabilityFireability-15

BK_STOP 1680900149946

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

+ 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:
++ ls /home/mcc/BenchKit/bin//../reducer/bin//../../itstools//itstools/plugins/fr.lip6.move.gal.application.pnmcc_1.0.0.202304061127.jar
++ sed s/.jar//
++ perl -pe 's/.*\.//g'
+ VERSION=202304061127
+ echo 'Running Version 202304061127'
+ /home/mcc/BenchKit/bin//../reducer/bin//../../itstools//itstools/its-tools -pnfolder /home/mcc/execution -examination ReachabilityFireability -timeout 360 -rebuildPNML
mcc2023
rfs formula name Murphy-COL-D4N025-ReachabilityFireability-00
rfs formula type AG
rfs formula formula --invariant=/tmp/462/inv_0_
rfs formula name Murphy-COL-D4N025-ReachabilityFireability-01
rfs formula type AG
rfs formula formula --invariant=/tmp/462/inv_1_
rfs formula name Murphy-COL-D4N025-ReachabilityFireability-02
rfs formula type AG
rfs formula formula --invariant=/tmp/462/inv_2_
rfs formula name Murphy-COL-D4N025-ReachabilityFireability-03
rfs formula type AG
rfs formula formula --invariant=/tmp/462/inv_3_
rfs formula name Murphy-COL-D4N025-ReachabilityFireability-04
rfs formula type EF
rfs formula formula --invariant=/tmp/462/inv_4_
rfs formula name Murphy-COL-D4N025-ReachabilityFireability-05
rfs formula type AG
rfs formula formula --invariant=/tmp/462/inv_5_
rfs formula name Murphy-COL-D4N025-ReachabilityFireability-06
rfs formula type AG
rfs formula formula --invariant=/tmp/462/inv_6_
rfs formula name Murphy-COL-D4N025-ReachabilityFireability-07
rfs formula type AG
rfs formula formula --invariant=/tmp/462/inv_7_
rfs formula name Murphy-COL-D4N025-ReachabilityFireability-08
rfs formula type EF
rfs formula formula --invariant=/tmp/462/inv_8_
rfs formula name Murphy-COL-D4N025-ReachabilityFireability-09
rfs formula type EF
rfs formula formula --invariant=/tmp/462/inv_9_
rfs formula name Murphy-COL-D4N025-ReachabilityFireability-10
rfs formula type AG
rfs formula formula --invariant=/tmp/462/inv_10_
rfs formula name Murphy-COL-D4N025-ReachabilityFireability-11
rfs formula type AG
rfs formula formula --invariant=/tmp/462/inv_11_
rfs formula name Murphy-COL-D4N025-ReachabilityFireability-12
rfs formula type AG
rfs formula formula --invariant=/tmp/462/inv_12_
rfs formula name Murphy-COL-D4N025-ReachabilityFireability-13
rfs formula type EF
rfs formula formula --invariant=/tmp/462/inv_13_
rfs formula name Murphy-COL-D4N025-ReachabilityFireability-14
rfs formula type AG
rfs formula formula --invariant=/tmp/462/inv_14_
rfs formula name Murphy-COL-D4N025-ReachabilityFireability-15
rfs formula type AG
rfs formula formula --invariant=/tmp/462/inv_15_
pnml2lts-sym: Exploration order is bfs-prev
pnml2lts-sym: Saturation strategy is sat
pnml2lts-sym: Guided search strategy is unguided
pnml2lts-sym: Attractor strategy is default
pnml2lts-sym: opening model.pnml
pnml2lts-sym: Edge label is id
Warning: program compiled against libxml 210 using older 209
pnml2lts-sym, ** error **: pnml type "http://www.pnml.org/version-2009/grammar/symmetricnet" is not supported

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="Murphy-COL-D4N025"
export BK_EXAMINATION="ReachabilityFireability"
export BK_TOOL="ltsminxred"
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 2-5348"
echo " Executing tool ltsminxred"
echo " Input is Murphy-COL-D4N025, examination is ReachabilityFireability"
echo " Time confinement is $BK_TIME_CONFINEMENT seconds"
echo " Memory confinement is 16384 MBytes"
echo " Number of cores is 4"
echo " Run identifier is r521-tall-167987246500319"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/Murphy-COL-D4N025.tgz
mv Murphy-COL-D4N025 execution
cd execution
if [ "ReachabilityFireability" = "ReachabilityDeadlock" ] || [ "ReachabilityFireability" = "UpperBounds" ] || [ "ReachabilityFireability" = "QuasiLiveness" ] || [ "ReachabilityFireability" = "StableMarking" ] || [ "ReachabilityFireability" = "Liveness" ] || [ "ReachabilityFireability" = "OneSafe" ] || [ "ReachabilityFireability" = "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 [ "ReachabilityFireability" = "UpperBounds" ] ; then
echo "The expected result is a vector of positive values"
echo NUM_VECTOR
elif [ "ReachabilityFireability" != "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 "ReachabilityFireability.txt" ] ; then
echo "here is the order used to build the result vector(from text file)"
for x in $(grep Property ReachabilityFireability.txt | cut -d ' ' -f 2 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ -f "ReachabilityFireability.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 '' ReachabilityFireability.xml | cut -d '>' -f 2 | cut -d '<' -f 1 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ "ReachabilityFireability" = "ReachabilityDeadlock" ] || [ "ReachabilityFireability" = "QuasiLiveness" ] || [ "ReachabilityFireability" = "StableMarking" ] || [ "ReachabilityFireability" = "Liveness" ] || [ "ReachabilityFireability" = "OneSafe" ] ; then
echo "FORMULA_NAME ReachabilityFireability"
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 ;