Execution Chart

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

Trace from the execution

Formatting '/mnt/tpsp/fkordon/mcc2023-input.r037-tajo-167813689800055.qcow2', fmt=qcow2 size=4294967296 backing_file='/mnt/tpsp/fkordon/mcc2023-input.qcow2' encryption=off cluster_size=65536 lazy_refcounts=off
Waiting for the VM to be ready (probing ssh)
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=====================================================================
Generated by BenchKit 2-5348
Executing tool itstools
Input is BridgeAndVehicles-COL-V20P20N20, examination is ReachabilityFireability
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r037-tajo-167813689800055
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 608K
-rw-r--r-- 1 mcc users 6.3K Feb 25 12:15 CTLCardinality.txt
-rw-r--r-- 1 mcc users 56K Feb 25 12:15 CTLCardinality.xml
-rw-r--r-- 1 mcc users 8.1K Feb 25 12:14 CTLFireability.txt
-rw-r--r-- 1 mcc users 68K Feb 25 12:14 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K Jan 29 11:40 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 6.4K Jan 29 11:40 GenericPropertiesVerdict.xml
-rw-r--r-- 1 mcc users 4.4K Feb 25 15:35 LTLCardinality.txt
-rw-r--r-- 1 mcc users 28K Feb 25 15:35 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.8K Feb 25 15:36 LTLFireability.txt
-rw-r--r-- 1 mcc users 19K Feb 25 15:36 LTLFireability.xml
-rw-r--r-- 1 mcc users 15K Feb 25 12:24 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 145K Feb 25 12:24 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 19K Feb 25 12:23 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 144K Feb 25 12:23 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.9K Feb 25 15:36 UpperBounds.txt
-rw-r--r-- 1 mcc users 4.0K Feb 25 15:36 UpperBounds.xml
-rw-r--r-- 1 mcc users 5 Mar 5 18:22 equiv_pt
-rw-r--r-- 1 mcc users 10 Mar 5 18:22 instance
-rw-r--r-- 1 mcc users 5 Mar 5 18:22 iscolored
-rw-r--r-- 1 mcc users 40K Mar 5 18:22 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 BridgeAndVehicles-COL-V20P20N20-ReachabilityFireability-00
FORMULA_NAME BridgeAndVehicles-COL-V20P20N20-ReachabilityFireability-01
FORMULA_NAME BridgeAndVehicles-COL-V20P20N20-ReachabilityFireability-02
FORMULA_NAME BridgeAndVehicles-COL-V20P20N20-ReachabilityFireability-03
FORMULA_NAME BridgeAndVehicles-COL-V20P20N20-ReachabilityFireability-04
FORMULA_NAME BridgeAndVehicles-COL-V20P20N20-ReachabilityFireability-05
FORMULA_NAME BridgeAndVehicles-COL-V20P20N20-ReachabilityFireability-06
FORMULA_NAME BridgeAndVehicles-COL-V20P20N20-ReachabilityFireability-07
FORMULA_NAME BridgeAndVehicles-COL-V20P20N20-ReachabilityFireability-08
FORMULA_NAME BridgeAndVehicles-COL-V20P20N20-ReachabilityFireability-09
FORMULA_NAME BridgeAndVehicles-COL-V20P20N20-ReachabilityFireability-10
FORMULA_NAME BridgeAndVehicles-COL-V20P20N20-ReachabilityFireability-11
FORMULA_NAME BridgeAndVehicles-COL-V20P20N20-ReachabilityFireability-12
FORMULA_NAME BridgeAndVehicles-COL-V20P20N20-ReachabilityFireability-13
FORMULA_NAME BridgeAndVehicles-COL-V20P20N20-ReachabilityFireability-14
FORMULA_NAME BridgeAndVehicles-COL-V20P20N20-ReachabilityFireability-15

=== Now, execution of the tool begins

BK_START 1678316381925

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=itstools
BK_EXAMINATION=ReachabilityFireability
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=BridgeAndVehicles-COL-V20P20N20
Not applying reductions.
Model is COL
ReachabilityFireability COL
Running Version 202303021504
[2023-03-08 22:59:43] [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]
[2023-03-08 22:59:44] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2023-03-08 22:59:44] [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.
[2023-03-08 22:59:44] [WARNING] Using fallBack plugin, rng conformance not checked
[2023-03-08 22:59:44] [INFO ] Load time of PNML (colored model parsed with PNMLFW) : 603 ms
[2023-03-08 22:59:44] [INFO ] Imported 15 HL places and 11 HL transitions for a total of 78 PT places and 37258.0 transition bindings in 20 ms.
Parsed 16 properties from file /home/mcc/execution/ReachabilityFireability.xml in 24 ms.
Working with output stream class java.io.PrintStream
FORMULA BridgeAndVehicles-COL-V20P20N20-ReachabilityFireability-02 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
[2023-03-08 22:59:44] [INFO ] Built PT skeleton of HLPN with 15 places and 11 transitions 56 arcs in 4 ms.
[2023-03-08 22:59:44] [INFO ] Skeletonized 15 HLPN properties in 1 ms.
Remains 1 properties that can be checked using skeleton over-approximation.
Reduce places removed 3 places and 0 transitions.
Computed a total of 9 stabilizing places and 6 stable transitions
Graph (complete) has 22 edges and 12 vertex of which 10 are kept as prefixes of interest. Removing 2 places using SCC suffix rule.2 ms
Ensure Unique test removed 1 transitions
Reduce redundant transitions removed 1 transitions.
Finished random walk after 1 steps, including 0 resets, run visited all 1 properties in 5 ms. (steps per millisecond=0 )
[2023-03-08 22:59:44] [INFO ] Invariant property BridgeAndVehicles-COL-V20P20N20-ReachabilityFireability-03 is trivially false : it is not verified in initial state.
[2023-03-08 22:59:44] [INFO ] Flatten gal took : 16 ms
[2023-03-08 22:59:44] [INFO ] Flatten gal took : 2 ms
Arc [13:1*[(MOD (ADD $cpt 1) 21)]] contains successor/predecessor on variables of sort compteur
Arc [1:1*[(MOD (ADD $cA 1) 21)]] contains successor/predecessor on variables of sort voitureA
Arc [6:1*[(MOD (ADD (MOD (MINUS $cB 1) 21) 21) 21)]] contains successor/predecessor on variables of sort voitureB
Arc [14:1*[(MOD (ADD $s 1) 2)]] contains successor/predecessor on variables of sort sens
[2023-03-08 22:59:44] [INFO ] Unfolded HLPN to a Petri net with 78 places and 968 transitions 7350 arcs in 53 ms.
[2023-03-08 22:59:44] [INFO ] Unfolded 15 HLPN properties in 3 ms.
Initial state reduction rules removed 7 formulas.
FORMULA BridgeAndVehicles-COL-V20P20N20-ReachabilityFireability-07 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA BridgeAndVehicles-COL-V20P20N20-ReachabilityFireability-08 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA BridgeAndVehicles-COL-V20P20N20-ReachabilityFireability-10 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA BridgeAndVehicles-COL-V20P20N20-ReachabilityFireability-11 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA BridgeAndVehicles-COL-V20P20N20-ReachabilityFireability-13 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA BridgeAndVehicles-COL-V20P20N20-ReachabilityFireability-14 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA BridgeAndVehicles-COL-V20P20N20-ReachabilityFireability-15 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
[2023-03-08 22:59:45] [INFO ] Flatten gal took : 186 ms
[2023-03-08 22:59:45] [INFO ] Flatten gal took : 146 ms
[2023-03-08 22:59:45] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality6791582945608705797.gal : 65 ms
[2023-03-08 22:59:45] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality13884813280194492341.prop : 147 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202303021504/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality6791582945608705797.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality13884813280194492341.prop' '--nowitness' '--gen-order' 'FOLLOW'
Incomplete random walk after 10000 steps, including 57 resets, run finished after 1053 ms. (steps per millisecond=9 ) properties (out of 8) seen :4
FORMULA BridgeAndVehicles-COL-V20P20N20-ReachabilityFireability-12 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA BridgeAndVehicles-COL-V20P20N20-ReachabilityFireability-09 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA BridgeAndVehicles-COL-V20P20N20-ReachabilityFireability-06 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA BridgeAndVehicles-COL-V20P20N20-ReachabilityFireability-05 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK

its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202303021504/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...329
Loading property file /tmp/ReachabilityCardinality13884813280194492341.prop.
Incomplete Best-First random walk after 10000 steps, including 26 resets, run finished after 644 ms. (steps per millisecond=15 ) properties (out of 4) seen :0
Incomplete Best-First random walk after 10000 steps, including 22 resets, run finished after 1132 ms. (steps per millisecond=8 ) properties (out of 4) seen :0
Incomplete Best-First random walk after 10001 steps, including 27 resets, run finished after 172 ms. (steps per millisecond=58 ) properties (out of 4) seen :0
Invariant property BridgeAndVehicles-COL-V20P20N20-ReachabilityFireability-09 does not hold.
SDD proceeding with computation,7 properties remain. new max is 2
SDD size :1 after 2
SDD proceeding with computation,7 properties remain. new max is 4
SDD size :2 after 6
SDD proceeding with computation,7 properties remain. new max is 8
SDD size :6 after 8
SDD proceeding with computation,7 properties remain. new max is 16
SDD size :8 after 20
SDD proceeding with computation,7 properties remain. new max is 32
SDD size :20 after 40
SDD proceeding with computation,7 properties remain. new max is 64
SDD size :40 after 112
SDD proceeding with computation,7 properties remain. new max is 128
SDD size :112 after 330
SDD proceeding with computation,7 properties remain. new max is 256
SDD size :330 after 1870
Incomplete Best-First random walk after 10001 steps, including 25 resets, run finished after 1324 ms. (steps per millisecond=7 ) properties (out of 4) seen :0
Running SMT prover for 4 properties.
[2023-03-08 22:59:49] [INFO ] Flow matrix only has 170 transitions (discarded 798 similar events)
Invariant property BridgeAndVehicles-COL-V20P20N20-ReachabilityFireability-12 does not hold.
// Phase 1: matrix 170 rows 78 cols
[2023-03-08 22:59:49] [INFO ] Computed 7 place invariants in 10 ms
SDD proceeding with computation,6 properties remain. new max is 256
SDD size :1870 after 2794
SDD proceeding with computation,6 properties remain. new max is 512
SDD size :2794 after 6895
SDD proceeding with computation,6 properties remain. new max is 1024
SDD size :6895 after 7635
[2023-03-08 22:59:53] [INFO ] [Real]Absence check using 7 positive place invariants in 21 ms returned sat
[2023-03-08 22:59:53] [INFO ] After 989ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:4
[2023-03-08 22:59:53] [INFO ] [Nat]Absence check using 7 positive place invariants in 2 ms returned sat
SDD proceeding with computation,6 properties remain. new max is 2048
SDD size :7635 after 8964
[2023-03-08 22:59:59] [INFO ] After 5994ms SMT Verify possible using state equation in natural domain returned unsat :2 sat :2
[2023-03-08 23:00:00] [INFO ] State equation strengthened by 42 read => feed constraints.
SDD proceeding with computation,6 properties remain. new max is 4096
SDD size :8964 after 12800
[2023-03-08 23:00:06] [INFO ] After 6121ms SMT Verify possible using 42 Read/Feed constraints in natural domain returned unsat :2 sat :2
[2023-03-08 23:00:08] [INFO ] Deduced a trap composed of 6 places in 394 ms of which 7 ms to minimize.
[2023-03-08 23:00:08] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 455 ms
SDD proceeding with computation,6 properties remain. new max is 8192
SDD size :12800 after 26636
[2023-03-08 23:00:11] [INFO ] After 11315ms SMT Verify possible using trap constraints in natural domain returned unsat :2 sat :2
Attempting to minimize the solution found.
Minimization took 5615 ms.
[2023-03-08 23:00:16] [INFO ] After 23355ms SMT Verify possible using all constraints in natural domain returned unsat :2 sat :2
FORMULA BridgeAndVehicles-COL-V20P20N20-ReachabilityFireability-04 TRUE TECHNIQUES STRUCTURAL_REDUCTION TOPOLOGICAL SAT_SMT
FORMULA BridgeAndVehicles-COL-V20P20N20-ReachabilityFireability-03 TRUE TECHNIQUES STRUCTURAL_REDUCTION TOPOLOGICAL SAT_SMT
Fused 4 Parikh solutions to 2 different solutions.
Parikh walk visited 0 properties in 34 ms.
Support contains 76 out of 78 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 78/78 places, 968/968 transitions.
Graph (complete) has 642 edges and 78 vertex of which 76 are kept as prefixes of interest. Removing 2 places using SCC suffix rule.10 ms
Discarding 2 places :
Also discarding 0 output transitions
Applied a total of 1 rules in 157 ms. Remains 76 /78 variables (removed 2) and now considering 968/968 (removed 0) transitions.
[2023-03-08 23:00:17] [INFO ] Flow matrix only has 170 transitions (discarded 798 similar events)
// Phase 1: matrix 170 rows 76 cols
[2023-03-08 23:00:17] [INFO ] Computed 5 place invariants in 3 ms
[2023-03-08 23:00:17] [INFO ] Dead Transitions using invariants and state equation in 315 ms found 0 transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 476 ms. Remains : 76/78 places, 968/968 transitions.
Incomplete random walk after 10000 steps, including 57 resets, run finished after 239 ms. (steps per millisecond=41 ) properties (out of 2) seen :0
Incomplete Best-First random walk after 10000 steps, including 26 resets, run finished after 661 ms. (steps per millisecond=15 ) properties (out of 2) seen :0
Incomplete Best-First random walk after 10000 steps, including 22 resets, run finished after 1491 ms. (steps per millisecond=6 ) properties (out of 2) seen :0
Finished probabilistic random walk after 172991 steps, run visited all 2 properties in 1244 ms. (steps per millisecond=139 )
Probabilistic random walk after 172991 steps, saw 47801 distinct states, run finished after 1244 ms. (steps per millisecond=139 ) properties seen :2
FORMULA BridgeAndVehicles-COL-V20P20N20-ReachabilityFireability-01 FALSE TECHNIQUES TOPOLOGICAL PROBABILISTIC_WALK
FORMULA BridgeAndVehicles-COL-V20P20N20-ReachabilityFireability-00 TRUE TECHNIQUES TOPOLOGICAL PROBABILISTIC_WALK
ITS runner failed with exception null
java.lang.InterruptedException
at java.base/java.lang.Object.wait(Native Method)
at java.base/java.lang.Thread.join(Thread.java:1304)
at java.base/java.lang.Thread.join(Thread.java:1372)
at fr.lip6.move.gal.application.runner.AbstractRunner.join(AbstractRunner.java:27)
at fr.lip6.move.gal.application.runner.its.ITSRunner.join(ITSRunner.java:177)
at fr.lip6.move.gal.application.solver.global.GlobalPropertySolver.verifyWithSDD(GlobalPropertySolver.java:675)
at fr.lip6.move.gal.application.solver.ReachabilitySolver.lambda$2(ReachabilitySolver.java:63)
at java.base/java.lang.Thread.run(Thread.java:833)
All properties solved without resorting to model-checking.
Total runtime 37178 ms.

BK_STOP 1678316422404

--------------------
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:
++ perl -pe 's/.*\.//g'
++ sed s/.jar//
++ ls /home/mcc/BenchKit/bin//../itstools/bin//..//itstools/plugins/fr.lip6.move.gal.application.pnmcc_1.0.0.202303021504.jar
+ VERSION=202303021504
+ echo 'Running Version 202303021504'
+ /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="BridgeAndVehicles-COL-V20P20N20"
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 2-5348"
echo " Executing tool itstools"
echo " Input is BridgeAndVehicles-COL-V20P20N20, 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 r037-tajo-167813689800055"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/BridgeAndVehicles-COL-V20P20N20.tgz
mv BridgeAndVehicles-COL-V20P20N20 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 ;