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.r444-smll-171701110700095.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)
.....................
=====================================================================
Generated by BenchKit 2-5568
Executing tool itstools
Input is UtilityControlRoom-COL-Z4T3N08, examination is ReachabilityFireability
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r444-smll-171701110700095
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 444K
-rw-r--r-- 1 mcc users 7.3K Apr 13 05:50 CTLCardinality.txt
-rw-r--r-- 1 mcc users 65K Apr 13 05:50 CTLCardinality.xml
-rw-r--r-- 1 mcc users 6.8K Apr 13 05:44 CTLFireability.txt
-rw-r--r-- 1 mcc users 54K Apr 13 05:44 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.4K Apr 23 08:04 LTLCardinality.txt
-rw-r--r-- 1 mcc users 28K Apr 23 08:04 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.9K Apr 23 08:04 LTLFireability.txt
-rw-r--r-- 1 mcc users 20K Apr 23 08:04 LTLFireability.xml
-rw-r--r-- 1 mcc users 12K Apr 13 06:04 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 99K Apr 13 06:04 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 9.5K Apr 13 06:00 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 66K Apr 13 06:00 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.9K Apr 23 08:04 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.9K Apr 23 08:04 UpperBounds.xml
-rw-r--r-- 1 mcc users 5 May 18 16:43 equiv_pt
-rw-r--r-- 1 mcc users 8 May 18 16:43 instance
-rw-r--r-- 1 mcc users 5 May 18 16:43 iscolored
-rw-r--r-- 1 mcc users 29K May 18 16:43 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 UtilityControlRoom-COL-Z4T3N08-ReachabilityFireability-2024-00
FORMULA_NAME UtilityControlRoom-COL-Z4T3N08-ReachabilityFireability-2024-01
FORMULA_NAME UtilityControlRoom-COL-Z4T3N08-ReachabilityFireability-2024-02
FORMULA_NAME UtilityControlRoom-COL-Z4T3N08-ReachabilityFireability-2024-03
FORMULA_NAME UtilityControlRoom-COL-Z4T3N08-ReachabilityFireability-2024-04
FORMULA_NAME UtilityControlRoom-COL-Z4T3N08-ReachabilityFireability-2024-05
FORMULA_NAME UtilityControlRoom-COL-Z4T3N08-ReachabilityFireability-2024-06
FORMULA_NAME UtilityControlRoom-COL-Z4T3N08-ReachabilityFireability-2024-07
FORMULA_NAME UtilityControlRoom-COL-Z4T3N08-ReachabilityFireability-2024-08
FORMULA_NAME UtilityControlRoom-COL-Z4T3N08-ReachabilityFireability-2024-09
FORMULA_NAME UtilityControlRoom-COL-Z4T3N08-ReachabilityFireability-2024-10
FORMULA_NAME UtilityControlRoom-COL-Z4T3N08-ReachabilityFireability-2024-11
FORMULA_NAME UtilityControlRoom-COL-Z4T3N08-ReachabilityFireability-2024-12
FORMULA_NAME UtilityControlRoom-COL-Z4T3N08-ReachabilityFireability-2024-13
FORMULA_NAME UtilityControlRoom-COL-Z4T3N08-ReachabilityFireability-2024-14
FORMULA_NAME UtilityControlRoom-COL-Z4T3N08-ReachabilityFireability-2024-15

=== Now, execution of the tool begins

BK_START 1717083609788

Invoking MCC driver with
BK_TOOL=itstools
BK_EXAMINATION=ReachabilityFireability
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=UtilityControlRoom-COL-Z4T3N08
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is COL
ReachabilityFireability COL
Running Version 202405141337
[2024-05-30 15:40:12] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, ReachabilityFireability, -its, -ltsmin, -greatspnpath, /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/, -order, META, -manyOrder, -smt, -timeout, 3600]
[2024-05-30 15:40:12] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2024-05-30 15:40:12] [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.
[2024-05-30 15:40:12] [WARNING] Using fallBack plugin, rng conformance not checked
[2024-05-30 15:40:13] [INFO ] Load time of PNML (colored model parsed with PNMLFW) : 952 ms
[2024-05-30 15:40:13] [INFO ] Imported 13 HL places and 12 HL transitions for a total of 302 PT places and 600.0 transition bindings in 47 ms.
Parsed 16 properties from file /home/mcc/execution/ReachabilityFireability.xml in 31 ms.
Reduction of identical properties reduced properties to check from 16 to 15
Working with output stream class java.io.PrintStream
FORMULA UtilityControlRoom-COL-Z4T3N08-ReachabilityFireability-2024-11 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA UtilityControlRoom-COL-Z4T3N08-ReachabilityFireability-2024-04 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA UtilityControlRoom-COL-Z4T3N08-ReachabilityFireability-2024-08 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
[2024-05-30 15:40:13] [INFO ] Built PT skeleton of HLPN with 13 places and 12 transitions 37 arcs in 5 ms.
[2024-05-30 15:40:13] [INFO ] Skeletonized 13 HLPN properties in 1 ms.
Remains 1 properties that can be checked using skeleton over-approximation.
Computed a total of 0 stabilizing places and 0 stable transitions
Ensure Unique test removed 1 transitions
Reduce redundant transitions removed 1 transitions.
RANDOM walk for 169 steps (0 resets) in 9 ms. (16 steps per ms) remains 0/1 properties
[2024-05-30 15:40:13] [INFO ] Flatten gal took : 30 ms
[2024-05-30 15:40:13] [INFO ] Flatten gal took : 6 ms
[2024-05-30 15:40:13] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality4485919466667064966.gal : 10 ms
[2024-05-30 15:40:13] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality1111537286168618623.prop : 0 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202405141337/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality4485919466667064966.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality1111537286168618623.prop' '--nowitness' '--gen-order' 'FOLLOW'

ITS runner timed out or was interrupted.
its-reach command run as :

ITS tools runner thread asked to quit. Dying gracefully.
/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202405141337/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...328
java.io.IOException: Stream closed
at java.base/java.io.BufferedInputStream.getBufIfOpen(BufferedInputStream.java:168)
at java.base/java.io.BufferedInputStream.read(BufferedInputStream.java:334)
at java.base/sun.nio.cs.StreamDecoder.readBytes(StreamDecoder.java:270)
at java.base/sun.nio.cs.StreamDecoder.implRead(StreamDecoder.java:313)
at java.base/sun.nio.cs.StreamDecoder.read(StreamDecoder.java:188)
at java.base/java.io.InputStreamReader.read(InputStreamReader.java:177)
at java.base/java.io.BufferedReader.fill(BufferedReader.java:162)
at java.base/java.io.BufferedReader.readLine(BufferedReader.java:329)
at java.base/java.io.BufferedReader.readLine(BufferedReader.java:396)
at fr.lip6.move.gal.application.runner.its.ITSRunner$ITSInterpreter.run(ITSRunner.java:211)
at java.base/java.lang.Thread.run(Thread.java:840)
RANDOM walk for 0 steps (0 resets) in 4 ms. (0 steps per ms) remains 0/0 properties
[2024-05-30 15:40:13] [INFO ] Flatten gal took : 4 ms
[2024-05-30 15:40:13] [INFO ] Flatten gal took : 3 ms
RANDOM walk for 0 steps (0 resets) in 4 ms. (0 steps per ms) remains 0/0 properties
[2024-05-30 15:40:13] [INFO ] Flatten gal took : 5 ms
[2024-05-30 15:40:13] [INFO ] Flatten gal took : 5 ms
[2024-05-30 15:40:13] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality13869439096238438950.gal : 3 ms
[2024-05-30 15:40:13] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality6721838330871152294.prop : 1 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202405141337/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality13869439096238438950.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality6721838330871152294.prop' '--nowitness' '--gen-order' 'FOLLOW'
Finished probabilistic random walk after 0 steps, run visited all 0 properties in 0 ms. (steps per millisecond=0 )

ITS runner timed out or was interrupted.
its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202405141337/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...329
Loading property file /tmp/ReachabilityCardinality6721838330871152294.prop.
Found states matching all0 target predicate
Will report total states built up to this point. Computation was interrupted after 3 fixpoint passes
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,5,0.004755,3548,2,27,5,75,6,0,66,37,0
Total reachable state count : 5

ITS tools runner thread asked to quit. Dying gracefully.
Transition timeout forces synchronizations/join behavior on parameter c of sort Cli
Domain [Cli(8), Z(4), Z(4)] of place MovetoZ breaks symmetries in sort Z
[2024-05-30 15:40:13] [INFO ] Unfolded HLPN to a Petri net with 302 places and 600 transitions 1928 arcs in 70 ms.
[2024-05-30 15:40:13] [INFO ] Unfolded 13 HLPN properties in 3 ms.
[2024-05-30 15:40:13] [INFO ] Reduced 24 identical enabling conditions.
[2024-05-30 15:40:13] [INFO ] Reduced 24 identical enabling conditions.
[2024-05-30 15:40:13] [INFO ] Reduced 24 identical enabling conditions.
[2024-05-30 15:40:13] [INFO ] Reduced 24 identical enabling conditions.
[2024-05-30 15:40:13] [INFO ] Reduced 24 identical enabling conditions.
[2024-05-30 15:40:13] [INFO ] Reduced 24 identical enabling conditions.
[2024-05-30 15:40:13] [INFO ] Reduced 24 identical enabling conditions.
Ensure Unique test removed 128 transitions
Reduce redundant transitions removed 128 transitions.
[2024-05-30 15:40:14] [INFO ] Flatten gal took : 246 ms
[2024-05-30 15:40:14] [INFO ] Flatten gal took : 236 ms
[2024-05-30 15:40:14] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality15996309836810145728.gal : 69 ms
[2024-05-30 15:40:15] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality10208838794957475064.prop : 125 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202405141337/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality15996309836810145728.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality10208838794957475064.prop' '--nowitness' '--gen-order' 'FOLLOW'

its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202405141337/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...330
Loading property file /tmp/ReachabilityCardinality10208838794957475064.prop.
RANDOM walk for 40000 steps (8 resets) in 7029 ms. (5 steps per ms) remains 3/13 properties
FORMULA UtilityControlRoom-COL-Z4T3N08-ReachabilityFireability-2024-14 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA UtilityControlRoom-COL-Z4T3N08-ReachabilityFireability-2024-13 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA UtilityControlRoom-COL-Z4T3N08-ReachabilityFireability-2024-10 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA UtilityControlRoom-COL-Z4T3N08-ReachabilityFireability-2024-09 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA UtilityControlRoom-COL-Z4T3N08-ReachabilityFireability-2024-07 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA UtilityControlRoom-COL-Z4T3N08-ReachabilityFireability-2024-05 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA UtilityControlRoom-COL-Z4T3N08-ReachabilityFireability-2024-03 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA UtilityControlRoom-COL-Z4T3N08-ReachabilityFireability-2024-02 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA UtilityControlRoom-COL-Z4T3N08-ReachabilityFireability-2024-01 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA UtilityControlRoom-COL-Z4T3N08-ReachabilityFireability-2024-00 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
SDD proceeding with computation,13 properties remain. new max is 4
SDD size :1 after 4
SDD proceeding with computation,13 properties remain. new max is 8
SDD size :4 after 5
SDD proceeding with computation,13 properties remain. new max is 16
SDD size :5 after 9
BEST_FIRST walk for 40004 steps (8 resets) in 2323 ms. (17 steps per ms) remains 3/3 properties
SDD proceeding with computation,13 properties remain. new max is 32
SDD size :9 after 19
SDD proceeding with computation,13 properties remain. new max is 64
SDD size :19 after 23
SDD proceeding with computation,13 properties remain. new max is 128
SDD size :23 after 27
SDD proceeding with computation,13 properties remain. new max is 256
SDD size :27 after 693
BEST_FIRST walk for 40004 steps (8 resets) in 1491 ms. (26 steps per ms) remains 3/3 properties
SDD proceeding with computation,13 properties remain. new max is 512
SDD size :693 after 891
BEST_FIRST walk for 40004 steps (8 resets) in 3448 ms. (11 steps per ms) remains 3/3 properties
// Phase 1: matrix 472 rows 302 cols
[2024-05-30 15:40:18] [INFO ] Computed 19 invariants in 36 ms
SDD proceeding with computation,13 properties remain. new max is 1024
SDD size :891 after 9317
Problem UtilityControlRoom-COL-Z4T3N08-ReachabilityFireability-2024-06 is UNSAT
FORMULA UtilityControlRoom-COL-Z4T3N08-ReachabilityFireability-2024-06 FALSE TECHNIQUES SMT_REFINEMENT
Problem UtilityControlRoom-COL-Z4T3N08-ReachabilityFireability-2024-12 is UNSAT
FORMULA UtilityControlRoom-COL-Z4T3N08-ReachabilityFireability-2024-12 FALSE TECHNIQUES SMT_REFINEMENT
Problem UtilityControlRoom-COL-Z4T3N08-ReachabilityFireability-2024-15 is UNSAT
FORMULA UtilityControlRoom-COL-Z4T3N08-ReachabilityFireability-2024-15 FALSE TECHNIQUES SMT_REFINEMENT
After SMT solving in domain Real declared 262/774 variables, and 0 constraints, problems are : Problem set: 3 solved, 0 unsolved in 268 ms.
Refiners :[Positive P Invariants (semi-flows): 0/19 constraints, State Equation: 0/302 constraints, PredecessorRefiner: 3/3 constraints, Known Traps: 0/0 constraints]
After SMT, in 2152ms problems are : Problem set: 3 solved, 0 unsolved
Skipping Parikh replay, no witness traces provided.
ITS runner timed out or was interrupted.
ITS tools runner thread asked to quit. Dying gracefully.
All properties solved without resorting to model-checking.
Total runtime 8455 ms.

BK_STOP 1717083620626

--------------------
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
+ [[ ReachabilityFireability = StateSpace ]]
+ /home/mcc/BenchKit/bin//../itstools/bin//..//runeclipse.sh /home/mcc/execution ReachabilityFireability -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_1.0.0.202405141337.jar
+ VERSION=202405141337
+ echo 'Running Version 202405141337'
+ /home/mcc/BenchKit/bin//../itstools/bin//..//itstools/its-tools -pnfolder /home/mcc/execution -examination ReachabilityFireability -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="UtilityControlRoom-COL-Z4T3N08"
export BK_EXAMINATION="ReachabilityFireability"
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 2-5568"
echo " Executing tool itstools"
echo " Input is UtilityControlRoom-COL-Z4T3N08, 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 r444-smll-171701110700095"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/UtilityControlRoom-COL-Z4T3N08.tgz
mv UtilityControlRoom-COL-Z4T3N08 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 ;