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-165245701700117.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 AirplaneLD-PT-4000, examination is ReachabilityFireability
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r010-tajo-165245701700117
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 101M
-rw-r--r-- 1 mcc users 1002K Apr 29 23:55 CTLCardinality.txt
-rw-r--r-- 1 mcc users 3.5M Apr 29 23:55 CTLCardinality.xml
-rw-r--r-- 1 mcc users 1.6M Apr 29 22:26 CTLFireability.txt
-rw-r--r-- 1 mcc users 8.5M Apr 29 22:26 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K May 10 09:33 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 6.5K May 10 09:33 GenericPropertiesVerdict.xml
-rw-r--r-- 1 mcc users 2.1M May 9 07:02 LTLCardinality.txt
-rw-r--r-- 1 mcc users 4.7M May 9 07:02 LTLCardinality.xml
-rw-r--r-- 1 mcc users 1.2M May 9 07:02 LTLFireability.txt
-rw-r--r-- 1 mcc users 4.5M May 9 07:02 LTLFireability.xml
-rw-r--r-- 1 mcc users 4.2M Apr 30 05:43 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 13M Apr 30 05:43 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 6.2M Apr 30 03:31 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 34M Apr 30 03:31 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 191K May 9 07:02 UpperBounds.txt
-rw-r--r-- 1 mcc users 358K May 9 07:02 UpperBounds.xml
-rw-r--r-- 1 mcc users 5 May 10 09:33 equiv_col
-rw-r--r-- 1 mcc users 5 May 10 09:33 instance
-rw-r--r-- 1 mcc users 6 May 10 09:33 iscolored
-rw-r--r-- 1 mcc users 18M 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 AirplaneLD-PT-4000-ReachabilityFireability-00
FORMULA_NAME AirplaneLD-PT-4000-ReachabilityFireability-01
FORMULA_NAME AirplaneLD-PT-4000-ReachabilityFireability-02
FORMULA_NAME AirplaneLD-PT-4000-ReachabilityFireability-03
FORMULA_NAME AirplaneLD-PT-4000-ReachabilityFireability-04
FORMULA_NAME AirplaneLD-PT-4000-ReachabilityFireability-05
FORMULA_NAME AirplaneLD-PT-4000-ReachabilityFireability-06
FORMULA_NAME AirplaneLD-PT-4000-ReachabilityFireability-07
FORMULA_NAME AirplaneLD-PT-4000-ReachabilityFireability-08
FORMULA_NAME AirplaneLD-PT-4000-ReachabilityFireability-09
FORMULA_NAME AirplaneLD-PT-4000-ReachabilityFireability-10
FORMULA_NAME AirplaneLD-PT-4000-ReachabilityFireability-11
FORMULA_NAME AirplaneLD-PT-4000-ReachabilityFireability-12
FORMULA_NAME AirplaneLD-PT-4000-ReachabilityFireability-13
FORMULA_NAME AirplaneLD-PT-4000-ReachabilityFireability-14
FORMULA_NAME AirplaneLD-PT-4000-ReachabilityFireability-15

=== Now, execution of the tool begins

BK_START 1655069275239

Running Version 0
[2022-06-12 21:27:57] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, ReachabilityFireability, -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 21:27:57] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2022-06-12 21:27:58] [INFO ] Load time of PNML (sax parser for PT used): 1015 ms
[2022-06-12 21:27:58] [INFO ] Transformed 28019 places.
[2022-06-12 21:27:58] [INFO ] Transformed 32008 transitions.
[2022-06-12 21:27:58] [INFO ] Parsed PT model containing 28019 places and 32008 transitions in 1360 ms.
Parsed 16 properties from file /home/mcc/execution/ReachabilityFireability.xml in 652 ms.
Working with output stream class java.io.PrintStream
Reduce places removed 12002 places and 0 transitions.
FORMULA AirplaneLD-PT-4000-ReachabilityFireability-00 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA AirplaneLD-PT-4000-ReachabilityFireability-07 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Incomplete random walk after 10000 steps, including 1263 resets, run finished after 24144 ms. (steps per millisecond=0 ) properties (out of 14) seen :6
FORMULA AirplaneLD-PT-4000-ReachabilityFireability-11 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA AirplaneLD-PT-4000-ReachabilityFireability-06 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA AirplaneLD-PT-4000-ReachabilityFireability-04 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA AirplaneLD-PT-4000-ReachabilityFireability-03 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA AirplaneLD-PT-4000-ReachabilityFireability-02 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA AirplaneLD-PT-4000-ReachabilityFireability-01 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
Interrupted Best-First random walk after 8001 steps, including 0 resets, run timeout after 5202 ms. (steps per millisecond=1 ) properties seen :{}
Incomplete Best-First random walk after 10001 steps, including 0 resets, run finished after 69 ms. (steps per millisecond=144 ) properties (out of 8) seen :0
Incomplete Best-First random walk after 10001 steps, including 0 resets, run finished after 30 ms. (steps per millisecond=333 ) properties (out of 8) seen :0
Incomplete Best-First random walk after 10001 steps, including 0 resets, run finished after 31 ms. (steps per millisecond=322 ) properties (out of 8) seen :0
Incomplete Best-First random walk after 10001 steps, including 0 resets, run finished after 29 ms. (steps per millisecond=344 ) properties (out of 8) seen :0
Incomplete Best-First random walk after 10001 steps, including 0 resets, run finished after 33 ms. (steps per millisecond=303 ) properties (out of 8) seen :0
Incomplete Best-First random walk after 10001 steps, including 0 resets, run finished after 71 ms. (steps per millisecond=140 ) properties (out of 8) seen :0
Incomplete Best-First random walk after 10001 steps, including 0 resets, run finished after 55 ms. (steps per millisecond=181 ) properties (out of 8) seen :0
Running SMT prover for 8 properties.
// Phase 1: matrix 32008 rows 16017 cols
[2022-06-12 21:28:55] [INFO ] Computed 3 place invariants in 24892 ms
[2022-06-12 21:29:01] [INFO ] [Real]Absence check using 2 positive place invariants in 23 ms returned sat
[2022-06-12 21:29:01] [INFO ] [Real]Absence check using 2 positive and 1 generalized place invariants in 35 ms returned sat
[2022-06-12 21:29:02] [INFO ] SMT Verify possible in real domain returnedunsat :1 sat :0 real:7
[2022-06-12 21:29:06] [INFO ] [Nat]Absence check using 2 positive place invariants in 6 ms returned sat
[2022-06-12 21:29:06] [INFO ] [Nat]Absence check using 2 positive and 1 generalized place invariants in 4 ms returned sat
[2022-06-12 21:29:07] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2022-06-12 21:29:27] [WARNING] SMT solver failed with error :SMT solver raised an error when submitting script.... while checking expressions.
FORMULA AirplaneLD-PT-4000-ReachabilityFireability-12 FALSE TECHNIQUES STRUCTURAL_REDUCTION TOPOLOGICAL SAT_SMT
FORMULA AirplaneLD-PT-4000-ReachabilityFireability-05 FALSE TECHNIQUES STRUCTURAL_REDUCTION TOPOLOGICAL SAT_SMT
Fused 8 Parikh solutions to 1 different solutions.
Support contains 44 out of 16017 places. Attempting structural reductions.
Starting structural reductions, iteration 0 : 16017/16017 places, 32008/32008 transitions.
Graph (complete) has 42023 edges and 16017 vertex of which 16012 are kept as prefixes of interest. Removing 5 places using SCC suffix rule.65 ms
Discarding 5 places :
Also discarding 0 output transitions
Drop transitions removed 4 transitions
Reduce isomorphic transitions removed 4 transitions.
Iterating post reduction 0 with 4 rules applied. Total rules applied 5 place count 16012 transition count 32004
Performed 3 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 1 with 3 Pre rules applied. Total rules applied 5 place count 16012 transition count 32001
Deduced a syphon composed of 3 places in 17 ms
Ensure Unique test removed 2 places
Reduce places removed 5 places and 0 transitions.
Iterating global reduction 1 with 8 rules applied. Total rules applied 13 place count 16007 transition count 32001
Applied a total of 13 rules in 824 ms. Remains 16007 /16017 variables (removed 10) and now considering 32001/32008 (removed 7) transitions.
Finished structural reductions, in 1 iterations. Remains : 16007/16017 places, 32001/32008 transitions.
[2022-06-12 21:29:30] [INFO ] Flatten gal took : 1513 ms
[2022-06-12 21:29:31] [INFO ] Flatten gal took : 931 ms
[2022-06-12 21:29:31] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality535181548936113176.gal : 219 ms
[2022-06-12 21:29:31] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality652422721564330631.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/ReachabilityCardinality535181548936113176.gal, -t, CGAL, -reachable-file, /tmp/ReachabilityCardinality652422721564330631.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/ReachabilityCardinality535181548936113176.gal -t CGAL -reachable-file /tmp/ReachabilityCardinality652422721564330631.prop --nowitness --gen-order FOLLOW
Loading property file /tmp/ReachabilityCardinality652422721564330631.prop.
Detected timeout of ITS tools.
[2022-06-12 21:29:47] [INFO ] Flatten gal took : 830 ms
[2022-06-12 21:29:47] [INFO ] Applying decomposition
[2022-06-12 21:29:48] [INFO ] Flatten gal took : 754 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/graph12193163318420419421.txt, -o, /tmp/graph12193163318420419421.bin, -w, /tmp/graph12193163318420419421.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/graph12193163318420419421.bin, -l, -1, -v, -w, /tmp/graph12193163318420419421.weights, -q, 0, -e, 0.001], workingDir=null]
[2022-06-12 21:29:52] [INFO ] Decomposing Gal with order
[2022-06-12 21:29:53] [INFO ] Rewriting arrays to variables to allow decomposition.
[2022-06-12 21:30:57] [INFO ] Removed a total of 15995 redundant transitions.
[2022-06-12 21:30:59] [INFO ] Flatten gal took : 63739 ms
[2022-06-12 21:31:04] [INFO ] Fuse similar labels procedure discarded/fused a total of 16000 labels/synchronizations in 3198 ms.
[2022-06-12 21:31:04] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality5516235245917054215.gal : 87 ms
[2022-06-12 21:31:04] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality8767365443645487083.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/ReachabilityCardinality5516235245917054215.gal, -t, CGAL, -reachable-file, /tmp/ReachabilityCardinality8767365443645487083.prop, --nowitness], 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/ReachabilityCardinality5516235245917054215.gal -t CGAL -reachable-file /tmp/ReachabilityCardinality8767365443645487083.prop --nowitness
Loading property file /tmp/ReachabilityCardinality8767365443645487083.prop.
Detected timeout of ITS tools.
Built C files in :
/tmp/ltsmin3559267396529459467
[2022-06-12 21:31:19] [INFO ] Built C files in 489ms conformant to PINS (ltsmin variant)in folder :/tmp/ltsmin3559267396529459467
Running compilation step : CommandLine [args=[gcc, -c, -I/home/mcc/BenchKit/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202104292328/bin/include/, -I., -std=c99, -fPIC, -O2, model.c], workingDir=/tmp/ltsmin3559267396529459467]
WARNING : LTS min runner thread failed on error :java.lang.RuntimeException: Compilation or link of executable timed out.java.util.concurrent.TimeoutException: Subprocess running CommandLine [args=[gcc, -c, -I/home/mcc/BenchKit/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202104292328/bin/include/, -I., -std=c99, -fPIC, -O2, model.c], workingDir=/tmp/ltsmin3559267396529459467] killed by timeout after 1 SECONDS
java.lang.RuntimeException: Compilation or link of executable timed out.java.util.concurrent.TimeoutException: Subprocess running CommandLine [args=[gcc, -c, -I/home/mcc/BenchKit/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202104292328/bin/include/, -I., -std=c99, -fPIC, -O2, model.c], workingDir=/tmp/ltsmin3559267396529459467] killed by timeout after 1 SECONDS
at fr.lip6.move.gal.application.LTSminRunner$1.run(LTSminRunner.java:79)
at java.base/java.lang.Thread.run(Thread.java:834)
Interrupted random walk after 10884 steps, including 1603 resets, run timeout after 30010 ms. (steps per millisecond=0 ) properties seen :{0=1}
FORMULA AirplaneLD-PT-4000-ReachabilityFireability-08 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
Incomplete Best-First random walk after 1000001 steps, including 32 resets, run finished after 1216 ms. (steps per millisecond=822 ) properties (out of 5) seen :1
FORMULA AirplaneLD-PT-4000-ReachabilityFireability-09 TRUE TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
Incomplete Best-First random walk after 1000001 steps, including 30 resets, run finished after 842 ms. (steps per millisecond=1187 ) properties (out of 4) seen :0
Incomplete Best-First random walk after 1000001 steps, including 24 resets, run finished after 1015 ms. (steps per millisecond=985 ) properties (out of 4) seen :1
FORMULA AirplaneLD-PT-4000-ReachabilityFireability-13 FALSE TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
Incomplete Best-First random walk after 1000001 steps, including 27 resets, run finished after 792 ms. (steps per millisecond=1262 ) properties (out of 3) seen :1
FORMULA AirplaneLD-PT-4000-ReachabilityFireability-14 FALSE TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
Incomplete Best-First random walk after 1000001 steps, including 25 resets, run finished after 972 ms. (steps per millisecond=1028 ) properties (out of 2) seen :1
FORMULA AirplaneLD-PT-4000-ReachabilityFireability-15 TRUE TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
Running SMT prover for 1 properties.
// Phase 1: matrix 32001 rows 16007 cols
[2022-06-12 21:32:18] [INFO ] Computed 1 place invariants in 22470 ms
[2022-06-12 21:32:20] [INFO ] [Real]Absence check using 0 positive and 1 generalized place invariants in 94 ms returned sat
[2022-06-12 21:32:20] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2022-06-12 21:33:02] [INFO ] SMT Verify possible in real domain returnedunsat :1 sat :0 real:0
FORMULA AirplaneLD-PT-4000-ReachabilityFireability-10 FALSE TECHNIQUES STRUCTURAL_REDUCTION TOPOLOGICAL SAT_SMT
Fused 1 Parikh solutions to 0 different solutions.
All properties solved without resorting to model-checking.

BK_STOP 1655069583068

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

+ export BINDIR=/home/mcc/BenchKit/bin//../
+ BINDIR=/home/mcc/BenchKit/bin//../
++ pwd
+ export MODEL=/home/mcc/execution
+ MODEL=/home/mcc/execution
+ [[ ReachabilityFireability = StateSpace ]]
+ /home/mcc/BenchKit/bin//..//runeclipse.sh /home/mcc/execution ReachabilityFireability -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 ReachabilityFireability -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="AirplaneLD-PT-4000"
export BK_EXAMINATION="ReachabilityFireability"
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 AirplaneLD-PT-4000, 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 r010-tajo-165245701700117"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/AirplaneLD-PT-4000.tgz
mv AirplaneLD-PT-4000 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 ;