fond
Model Checking Contest 2023
13th edition, Paris, France, April 26, 2023 (at TOOLympics II)
Execution of r394-oct2-167903717500078
Last Updated
May 14, 2023

About the Execution of Marcie+red for ShieldIIPs-PT-005B

Execution Summary
Max Memory
Used (MB)
Time wait (ms) CPU Usage (ms) I/O Wait (ms) Computed Result Execution
Status
10212.075 1611765.00 1637815.00 40.30 TFTFFFTTFTTFFTFF 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.r394-oct2-167903717500078.qcow2', fmt=qcow2 cluster_size=65536 extended_l2=off compression_type=zlib size=4294967296 backing_file=/data/fkordon/mcc2023-input.qcow2 backing_fmt=qcow2 lazy_refcounts=off refcount_bits=16
Waiting for the VM to be ready (probing ssh)
.......................
=====================================================================
Generated by BenchKit 2-5348
Executing tool marciexred
Input is ShieldIIPs-PT-005B, examination is ReachabilityCardinality
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r394-oct2-167903717500078
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 504K
-rw-r--r-- 1 mcc users 6.2K Feb 25 15:52 CTLCardinality.txt
-rw-r--r-- 1 mcc users 61K Feb 25 15:52 CTLCardinality.xml
-rw-r--r-- 1 mcc users 5.0K Feb 25 15:52 CTLFireability.txt
-rw-r--r-- 1 mcc users 44K Feb 25 15:52 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K Jan 29 11:41 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 6.5K Jan 29 11:41 GenericPropertiesVerdict.xml
-rw-r--r-- 1 mcc users 3.8K Feb 25 16:54 LTLCardinality.txt
-rw-r--r-- 1 mcc users 26K Feb 25 16:54 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.3K Feb 25 16:54 LTLFireability.txt
-rw-r--r-- 1 mcc users 19K Feb 25 16:54 LTLFireability.xml
-rw-r--r-- 1 mcc users 11K Feb 25 15:53 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 109K Feb 25 15:53 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 8.0K Feb 25 15:52 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 69K Feb 25 15:52 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.6K Feb 25 16:54 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.7K Feb 25 16:54 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 Mar 5 18:23 equiv_col
-rw-r--r-- 1 mcc users 5 Mar 5 18:23 instance
-rw-r--r-- 1 mcc users 6 Mar 5 18:23 iscolored
-rw-r--r-- 1 mcc users 82K Mar 5 18:23 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 ShieldIIPs-PT-005B-ReachabilityCardinality-00
FORMULA_NAME ShieldIIPs-PT-005B-ReachabilityCardinality-01
FORMULA_NAME ShieldIIPs-PT-005B-ReachabilityCardinality-02
FORMULA_NAME ShieldIIPs-PT-005B-ReachabilityCardinality-03
FORMULA_NAME ShieldIIPs-PT-005B-ReachabilityCardinality-04
FORMULA_NAME ShieldIIPs-PT-005B-ReachabilityCardinality-05
FORMULA_NAME ShieldIIPs-PT-005B-ReachabilityCardinality-06
FORMULA_NAME ShieldIIPs-PT-005B-ReachabilityCardinality-07
FORMULA_NAME ShieldIIPs-PT-005B-ReachabilityCardinality-08
FORMULA_NAME ShieldIIPs-PT-005B-ReachabilityCardinality-09
FORMULA_NAME ShieldIIPs-PT-005B-ReachabilityCardinality-10
FORMULA_NAME ShieldIIPs-PT-005B-ReachabilityCardinality-11
FORMULA_NAME ShieldIIPs-PT-005B-ReachabilityCardinality-12
FORMULA_NAME ShieldIIPs-PT-005B-ReachabilityCardinality-13
FORMULA_NAME ShieldIIPs-PT-005B-ReachabilityCardinality-14
FORMULA_NAME ShieldIIPs-PT-005B-ReachabilityCardinality-15

=== Now, execution of the tool begins

BK_START 1679488193363

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=marciexred
BK_EXAMINATION=ReachabilityCardinality
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=ShieldIIPs-PT-005B
Applying reductions before tool marcie
Invoking reducer
Running Version 202303021504
[2023-03-22 12:29:55] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, ReachabilityCardinality, -timeout, 360, -rebuildPNML]
[2023-03-22 12:29:56] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2023-03-22 12:29:56] [INFO ] Load time of PNML (sax parser for PT used): 63 ms
[2023-03-22 12:29:56] [INFO ] Transformed 303 places.
[2023-03-22 12:29:56] [INFO ] Transformed 298 transitions.
[2023-03-22 12:29:56] [INFO ] Found NUPN structural information;
[2023-03-22 12:29:56] [INFO ] Parsed PT model containing 303 places and 298 transitions and 896 arcs in 184 ms.
Parsed 16 properties from file /home/mcc/execution/ReachabilityCardinality.xml in 21 ms.
Working with output stream class java.io.PrintStream
FORMULA ShieldIIPs-PT-005B-ReachabilityCardinality-00 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA ShieldIIPs-PT-005B-ReachabilityCardinality-02 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA ShieldIIPs-PT-005B-ReachabilityCardinality-03 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA ShieldIIPs-PT-005B-ReachabilityCardinality-05 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA ShieldIIPs-PT-005B-ReachabilityCardinality-06 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA ShieldIIPs-PT-005B-ReachabilityCardinality-07 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA ShieldIIPs-PT-005B-ReachabilityCardinality-10 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Incomplete random walk after 10000 steps, including 14 resets, run finished after 223 ms. (steps per millisecond=44 ) properties (out of 9) seen :7
FORMULA ShieldIIPs-PT-005B-ReachabilityCardinality-15 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA ShieldIIPs-PT-005B-ReachabilityCardinality-13 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA ShieldIIPs-PT-005B-ReachabilityCardinality-12 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA ShieldIIPs-PT-005B-ReachabilityCardinality-11 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA ShieldIIPs-PT-005B-ReachabilityCardinality-09 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA ShieldIIPs-PT-005B-ReachabilityCardinality-04 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA ShieldIIPs-PT-005B-ReachabilityCardinality-01 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 32 ms. (steps per millisecond=312 ) properties (out of 2) seen :0
Incomplete Best-First random walk after 10000 steps, including 2 resets, run finished after 41 ms. (steps per millisecond=243 ) properties (out of 2) seen :0
Running SMT prover for 2 properties.
// Phase 1: matrix 298 rows 303 cols
[2023-03-22 12:29:56] [INFO ] Computed 46 place invariants in 8 ms
[2023-03-22 12:29:56] [INFO ] After 302ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:2
[2023-03-22 12:29:57] [INFO ] [Nat]Absence check using 46 positive place invariants in 12 ms returned sat
[2023-03-22 12:29:57] [INFO ] After 148ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :2
[2023-03-22 12:29:57] [INFO ] Deduced a trap composed of 22 places in 111 ms of which 7 ms to minimize.
[2023-03-22 12:29:57] [INFO ] Deduced a trap composed of 19 places in 86 ms of which 0 ms to minimize.
[2023-03-22 12:29:57] [INFO ] Deduced a trap composed of 14 places in 106 ms of which 0 ms to minimize.
[2023-03-22 12:29:57] [INFO ] Deduced a trap composed of 18 places in 87 ms of which 11 ms to minimize.
[2023-03-22 12:29:57] [INFO ] Deduced a trap composed of 13 places in 125 ms of which 2 ms to minimize.
[2023-03-22 12:29:58] [INFO ] Deduced a trap composed of 18 places in 150 ms of which 26 ms to minimize.
[2023-03-22 12:29:58] [INFO ] Deduced a trap composed of 13 places in 50 ms of which 0 ms to minimize.
[2023-03-22 12:29:58] [INFO ] Deduced a trap composed of 22 places in 53 ms of which 0 ms to minimize.
[2023-03-22 12:29:58] [INFO ] Deduced a trap composed of 22 places in 54 ms of which 1 ms to minimize.
[2023-03-22 12:29:58] [INFO ] Deduced a trap composed of 10 places in 73 ms of which 1 ms to minimize.
[2023-03-22 12:29:58] [INFO ] Deduced a trap composed of 21 places in 119 ms of which 1 ms to minimize.
[2023-03-22 12:29:58] [INFO ] Deduced a trap composed of 19 places in 149 ms of which 1 ms to minimize.
[2023-03-22 12:29:58] [INFO ] Deduced a trap composed of 17 places in 45 ms of which 0 ms to minimize.
[2023-03-22 12:29:58] [INFO ] Deduced a trap composed of 30 places in 43 ms of which 0 ms to minimize.
[2023-03-22 12:29:58] [INFO ] Deduced a trap composed of 25 places in 73 ms of which 1 ms to minimize.
[2023-03-22 12:29:59] [INFO ] Deduced a trap composed of 16 places in 143 ms of which 1 ms to minimize.
[2023-03-22 12:29:59] [INFO ] Deduced a trap composed of 19 places in 105 ms of which 0 ms to minimize.
[2023-03-22 12:29:59] [INFO ] Deduced a trap composed of 23 places in 92 ms of which 1 ms to minimize.
[2023-03-22 12:29:59] [INFO ] Deduced a trap composed of 29 places in 78 ms of which 0 ms to minimize.
[2023-03-22 12:29:59] [INFO ] Deduced a trap composed of 15 places in 63 ms of which 1 ms to minimize.
[2023-03-22 12:29:59] [INFO ] Deduced a trap composed of 22 places in 34 ms of which 1 ms to minimize.
[2023-03-22 12:29:59] [INFO ] Deduced a trap composed of 19 places in 62 ms of which 0 ms to minimize.
[2023-03-22 12:29:59] [INFO ] Deduced a trap composed of 29 places in 59 ms of which 0 ms to minimize.
[2023-03-22 12:29:59] [INFO ] Deduced a trap composed of 24 places in 126 ms of which 1 ms to minimize.
[2023-03-22 12:29:59] [INFO ] Trap strengthening (SAT) tested/added 25/24 trap constraints in 2507 ms
[2023-03-22 12:30:00] [INFO ] Deduced a trap composed of 21 places in 254 ms of which 0 ms to minimize.
[2023-03-22 12:30:00] [INFO ] Deduced a trap composed of 15 places in 112 ms of which 1 ms to minimize.
[2023-03-22 12:30:00] [INFO ] Deduced a trap composed of 31 places in 50 ms of which 1 ms to minimize.
[2023-03-22 12:30:00] [INFO ] Deduced a trap composed of 30 places in 201 ms of which 0 ms to minimize.
[2023-03-22 12:30:00] [INFO ] Deduced a trap composed of 22 places in 71 ms of which 0 ms to minimize.
[2023-03-22 12:30:00] [INFO ] Deduced a trap composed of 27 places in 59 ms of which 1 ms to minimize.
[2023-03-22 12:30:00] [INFO ] Deduced a trap composed of 28 places in 67 ms of which 1 ms to minimize.
[2023-03-22 12:30:00] [INFO ] Deduced a trap composed of 21 places in 68 ms of which 0 ms to minimize.
[2023-03-22 12:30:01] [INFO ] Deduced a trap composed of 29 places in 688 ms of which 0 ms to minimize.
[2023-03-22 12:30:01] [INFO ] Deduced a trap composed of 18 places in 49 ms of which 0 ms to minimize.
[2023-03-22 12:30:01] [INFO ] Deduced a trap composed of 26 places in 28 ms of which 0 ms to minimize.
[2023-03-22 12:30:01] [INFO ] Deduced a trap composed of 28 places in 33 ms of which 0 ms to minimize.
[2023-03-22 12:30:01] [INFO ] Trap strengthening (SAT) tested/added 13/12 trap constraints in 1925 ms
[2023-03-22 12:30:01] [INFO ] After 4660ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :2
Attempting to minimize the solution found.
Minimization took 65 ms.
[2023-03-22 12:30:01] [INFO ] After 4892ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :2
Parikh walk visited 0 properties in 14 ms.
Support contains 28 out of 303 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 303/303 places, 298/298 transitions.
Drop transitions removed 22 transitions
Trivial Post-agglo rules discarded 22 transitions
Performed 22 trivial Post agglomeration. Transition count delta: 22
Iterating post reduction 0 with 22 rules applied. Total rules applied 22 place count 303 transition count 276
Reduce places removed 22 places and 0 transitions.
Performed 2 Post agglomeration using F-continuation condition.Transition count delta: 2
Iterating post reduction 1 with 24 rules applied. Total rules applied 46 place count 281 transition count 274
Reduce places removed 2 places and 0 transitions.
Iterating post reduction 2 with 2 rules applied. Total rules applied 48 place count 279 transition count 274
Performed 21 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 21 Pre rules applied. Total rules applied 48 place count 279 transition count 253
Deduced a syphon composed of 21 places in 1 ms
Reduce places removed 21 places and 0 transitions.
Iterating global reduction 3 with 42 rules applied. Total rules applied 90 place count 258 transition count 253
Discarding 24 places :
Symmetric choice reduction at 3 with 24 rule applications. Total rules 114 place count 234 transition count 229
Iterating global reduction 3 with 24 rules applied. Total rules applied 138 place count 234 transition count 229
Performed 9 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 9 Pre rules applied. Total rules applied 138 place count 234 transition count 220
Deduced a syphon composed of 9 places in 1 ms
Reduce places removed 9 places and 0 transitions.
Iterating global reduction 3 with 18 rules applied. Total rules applied 156 place count 225 transition count 220
Performed 62 Post agglomeration using F-continuation condition.Transition count delta: 62
Deduced a syphon composed of 62 places in 0 ms
Reduce places removed 62 places and 0 transitions.
Iterating global reduction 3 with 124 rules applied. Total rules applied 280 place count 163 transition count 158
Partial Free-agglomeration rule applied 27 times.
Drop transitions removed 27 transitions
Iterating global reduction 3 with 27 rules applied. Total rules applied 307 place count 163 transition count 158
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 3 with 1 rules applied. Total rules applied 308 place count 162 transition count 157
Applied a total of 308 rules in 65 ms. Remains 162 /303 variables (removed 141) and now considering 157/298 (removed 141) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 67 ms. Remains : 162/303 places, 157/298 transitions.
Incomplete random walk after 10000 steps, including 19 resets, run finished after 96 ms. (steps per millisecond=104 ) properties (out of 2) seen :0
Incomplete Best-First random walk after 10001 steps, including 3 resets, run finished after 15 ms. (steps per millisecond=666 ) properties (out of 2) seen :1
FORMULA ShieldIIPs-PT-005B-ReachabilityCardinality-08 FALSE TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
Finished Best-First random walk after 4862 steps, including 2 resets, run visited all 1 properties in 8 ms. (steps per millisecond=607 )
FORMULA ShieldIIPs-PT-005B-ReachabilityCardinality-14 FALSE TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
All properties solved without resorting to model-checking.
Total runtime 6078 ms.
timeout --kill-after=10s --signal=SIGINT 1m for testing only

Marcie built on Linux at 2019-11-18.
A model checker for Generalized Stochastic Petri nets

authors: Alex Tovchigrechko (IDD package and CTL model checking)

Martin Schwarick (Symbolic numerical analysis and CSL model checking)

Christian Rohr (Simulative and approximative numerical model checking)

marcie@informatik.tu-cottbus.de

called as: /home/mcc/BenchKit/bin//../reducer/bin//../../marcie/bin/marcie --net-file=model.pnml --mcc-file=ReachabilityCardinality.xml --memory=6 --mcc-mode

parse successfull
net created successfully

Net: ShieldIIPs_PT_005B
(NrP: 303 NrTr: 298 NrArc: 896)

parse formulas
formulas created successfully
place and transition orderings generation:0m 0.007sec

net check time: 0m 0.000sec

init dd package: 0m 2.942sec


before gc: list nodes free: 1548294

after gc: idd nodes used:56840452, unused:7159548; list nodes free:34215921

RS generation: 25m57.192sec


-> last computed set: #nodes 56840151 (5.7e+07) #states 1,503,999,229,357 (12)


CANNOT_COMPUTE


BK_STOP 1679489805128

--------------------
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:
++ perl -pe 's/.*\.//g'
++ sed s/.jar//
++ ls /home/mcc/BenchKit/bin//../reducer/bin//../../itstools//itstools/plugins/fr.lip6.move.gal.application.pnmcc_1.0.0.202303021504.jar
+ VERSION=202303021504
+ echo 'Running Version 202303021504'
+ /home/mcc/BenchKit/bin//../reducer/bin//../../itstools//itstools/its-tools -pnfolder /home/mcc/execution -examination ReachabilityCardinality -timeout 360 -rebuildPNML
check for maximal unmarked siphon
ok
check for constant places
ok
check if there are places and transitions
ok
check if there are transitions without pre-places
ok
check if at least one transition is enabled in m0
ok
check if there are transitions that can never fire
ok


initing FirstDep: 0m 0.000sec

idd.cc:820: DD Exception: No free nodes

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="ShieldIIPs-PT-005B"
export BK_EXAMINATION="ReachabilityCardinality"
export BK_TOOL="marciexred"
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 marciexred"
echo " Input is ShieldIIPs-PT-005B, 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 r394-oct2-167903717500078"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/ShieldIIPs-PT-005B.tgz
mv ShieldIIPs-PT-005B 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 ;