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.r114-smll-171624275500214.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 DLCround-PT-09a, examination is ReachabilityCardinality
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r114-smll-171624275500214
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 1.1M
-rw-r--r-- 1 mcc users 6.7K May 14 13:22 CTLCardinality.txt
-rw-r--r-- 1 mcc users 74K May 14 13:22 CTLCardinality.xml
-rw-r--r-- 1 mcc users 5.8K May 14 13:22 CTLFireability.txt
-rw-r--r-- 1 mcc users 54K May 14 13:22 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K May 18 16:42 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 6.4K May 18 16:42 GenericPropertiesVerdict.xml
-rw-r--r-- 1 mcc users 3.9K Apr 22 14:38 LTLCardinality.txt
-rw-r--r-- 1 mcc users 29K Apr 22 14:38 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.2K Apr 22 14:38 LTLFireability.txt
-rw-r--r-- 1 mcc users 18K Apr 22 14:38 LTLFireability.xml
-rw-r--r-- 1 mcc users 11K Apr 13 15:17 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 112K Apr 13 15:17 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 10K Apr 13 14:37 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 88K Apr 13 14:37 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.6K Apr 22 14:38 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.6K Apr 22 14:38 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 May 18 16:42 equiv_col
-rw-r--r-- 1 mcc users 4 May 18 16:42 instance
-rw-r--r-- 1 mcc users 6 May 18 16:42 iscolored
-rw-r--r-- 1 mcc users 566K May 18 16:42 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 DLCround-PT-09a-ReachabilityCardinality-2024-00
FORMULA_NAME DLCround-PT-09a-ReachabilityCardinality-2024-01
FORMULA_NAME DLCround-PT-09a-ReachabilityCardinality-2024-02
FORMULA_NAME DLCround-PT-09a-ReachabilityCardinality-2024-03
FORMULA_NAME DLCround-PT-09a-ReachabilityCardinality-2024-04
FORMULA_NAME DLCround-PT-09a-ReachabilityCardinality-2024-05
FORMULA_NAME DLCround-PT-09a-ReachabilityCardinality-2024-06
FORMULA_NAME DLCround-PT-09a-ReachabilityCardinality-2024-07
FORMULA_NAME DLCround-PT-09a-ReachabilityCardinality-2024-08
FORMULA_NAME DLCround-PT-09a-ReachabilityCardinality-2024-09
FORMULA_NAME DLCround-PT-09a-ReachabilityCardinality-2024-10
FORMULA_NAME DLCround-PT-09a-ReachabilityCardinality-2024-11
FORMULA_NAME DLCround-PT-09a-ReachabilityCardinality-2024-12
FORMULA_NAME DLCround-PT-09a-ReachabilityCardinality-2024-13
FORMULA_NAME DLCround-PT-09a-ReachabilityCardinality-2024-14
FORMULA_NAME DLCround-PT-09a-ReachabilityCardinality-2024-15

=== Now, execution of the tool begins

BK_START 1716375522786

Invoking MCC driver with
BK_TOOL=itstools
BK_EXAMINATION=ReachabilityCardinality
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=DLCround-PT-09a
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
ReachabilityCardinality PT
Running Version 202405141337
[2024-05-22 10:58:45] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, ReachabilityCardinality, -its, -ltsmin, -greatspnpath, /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/, -order, META, -manyOrder, -smt, -timeout, 3600]
[2024-05-22 10:58:45] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2024-05-22 10:58:46] [INFO ] Load time of PNML (sax parser for PT used): 422 ms
[2024-05-22 10:58:46] [INFO ] Transformed 299 places.
[2024-05-22 10:58:46] [INFO ] Transformed 2243 transitions.
[2024-05-22 10:58:46] [INFO ] Found NUPN structural information;
[2024-05-22 10:58:46] [INFO ] Parsed PT model containing 299 places and 2243 transitions and 8689 arcs in 677 ms.
Parsed 16 properties from file /home/mcc/execution/ReachabilityCardinality.xml in 40 ms.
Working with output stream class java.io.PrintStream
Ensure Unique test removed 216 transitions
Reduce redundant transitions removed 216 transitions.
FORMULA DLCround-PT-09a-ReachabilityCardinality-2024-01 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA DLCround-PT-09a-ReachabilityCardinality-2024-07 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA DLCround-PT-09a-ReachabilityCardinality-2024-09 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA DLCround-PT-09a-ReachabilityCardinality-2024-12 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA DLCround-PT-09a-ReachabilityCardinality-2024-14 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
RANDOM walk for 40000 steps (8 resets) in 3395 ms. (11 steps per ms) remains 10/11 properties
FORMULA DLCround-PT-09a-ReachabilityCardinality-2024-02 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
BEST_FIRST walk for 40003 steps (8 resets) in 491 ms. (81 steps per ms) remains 10/10 properties
BEST_FIRST walk for 40004 steps (8 resets) in 509 ms. (78 steps per ms) remains 10/10 properties
BEST_FIRST walk for 40004 steps (8 resets) in 700 ms. (57 steps per ms) remains 10/10 properties
[2024-05-22 10:58:47] [INFO ] Flatten gal took : 606 ms
BEST_FIRST walk for 40003 steps (8 resets) in 470 ms. (84 steps per ms) remains 10/10 properties
BEST_FIRST walk for 40004 steps (8 resets) in 435 ms. (91 steps per ms) remains 10/10 properties
[2024-05-22 10:58:48] [INFO ] Flatten gal took : 275 ms
BEST_FIRST walk for 40004 steps (8 resets) in 390 ms. (102 steps per ms) remains 10/10 properties
[2024-05-22 10:58:48] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality6202428548576890543.gal : 149 ms
[2024-05-22 10:58:48] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality16863379926736997054.prop : 3 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/ReachabilityCardinality6202428548576890543.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality16863379926736997054.prop' '--nowitness' '--gen-order' 'FOLLOW'
BEST_FIRST walk for 40004 steps (8 resets) in 467 ms. (85 steps per ms) remains 10/10 properties

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
BEST_FIRST walk for 40004 steps (8 resets) in 667 ms. (59 steps per ms) remains 10/10 properties
BEST_FIRST walk for 40003 steps (8 resets) in 403 ms. (99 steps per ms) remains 10/10 properties
Loading property file /tmp/ReachabilityCardinality16863379926736997054.prop.
BEST_FIRST walk for 40004 steps (8 resets) in 423 ms. (94 steps per ms) remains 10/10 properties
SDD proceeding with computation,10 properties remain. new max is 4
SDD size :1 after 3
SDD proceeding with computation,10 properties remain. new max is 8
SDD size :3 after 13
SDD proceeding with computation,10 properties remain. new max is 16
SDD size :13 after 17
SDD proceeding with computation,10 properties remain. new max is 32
SDD size :17 after 19
SDD proceeding with computation,10 properties remain. new max is 64
SDD size :19 after 82
SDD proceeding with computation,10 properties remain. new max is 128
SDD size :82 after 801
Interrupted probabilistic random walk after 196210 steps, run timeout after 6001 ms. (steps per millisecond=32 ) properties seen :0 out of 10
Probabilistic random walk after 196210 steps, saw 141221 distinct states, run finished after 6009 ms. (steps per millisecond=32 ) properties seen :0
[2024-05-22 10:58:54] [INFO ] Flow matrix only has 202 transitions (discarded 1825 similar events)
// Phase 1: matrix 202 rows 299 cols
[2024-05-22 10:58:55] [INFO ] Computed 184 invariants in 18 ms
[2024-05-22 10:58:55] [INFO ] State equation strengthened by 69 read => feed constraints.
SDD proceeding with computation,10 properties remain. new max is 256
SDD size :801 after 2.401e+07
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,2.401e+13,6.81588,17328,2,1652,12,38176,16,0,3014,18230,0
Total reachable state count : 24010000000001

Verifying 10 reachability properties.
Invariant property DLCround-PT-09a-ReachabilityCardinality-2024-00 is true.
FORMULA DLCround-PT-09a-ReachabilityCardinality-2024-00 TRUE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL COLLATERAL_PROCESSING

Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
DLCround-PT-09a-ReachabilityCardinality-2024-00,0,6.8182,17328,1,0,12,38176,16,0,3016,18230,0
Reachability property DLCround-PT-09a-ReachabilityCardinality-2024-03 does not hold.
FORMULA DLCround-PT-09a-ReachabilityCardinality-2024-03 FALSE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL COLLATERAL_PROCESSING
No reachable states exhibit your property : DLCround-PT-09a-ReachabilityCardinality-2024-03

Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
DLCround-PT-09a-ReachabilityCardinality-2024-03,0,6.81894,17592,1,0,12,38176,16,0,3017,18230,0
Invariant property DLCround-PT-09a-ReachabilityCardinality-2024-04 is true.
FORMULA DLCround-PT-09a-ReachabilityCardinality-2024-04 TRUE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL COLLATERAL_PROCESSING

Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
DLCround-PT-09a-ReachabilityCardinality-2024-04,0,6.82355,17592,1,0,12,38176,16,0,3034,18230,0
Invariant property DLCround-PT-09a-ReachabilityCardinality-2024-05 is true.
FORMULA DLCround-PT-09a-ReachabilityCardinality-2024-05 TRUE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL COLLATERAL_PROCESSING

Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
DLCround-PT-09a-ReachabilityCardinality-2024-05,0,6.82792,17592,1,0,12,38176,16,0,3064,18230,0
Invariant property DLCround-PT-09a-ReachabilityCardinality-2024-06 is true.
FORMULA DLCround-PT-09a-ReachabilityCardinality-2024-06 TRUE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL COLLATERAL_PROCESSING

Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
DLCround-PT-09a-ReachabilityCardinality-2024-06,0,6.83051,17592,1,0,12,38176,16,0,3066,18230,0
Invariant property DLCround-PT-09a-ReachabilityCardinality-2024-08 is true.
FORMULA DLCround-PT-09a-ReachabilityCardinality-2024-08 TRUE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL COLLATERAL_PROCESSING

Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
DLCround-PT-09a-ReachabilityCardinality-2024-08,0,6.83122,17592,1,0,12,38176,16,0,3067,18230,0
Invariant property DLCround-PT-09a-ReachabilityCardinality-2024-10 is true.
FORMULA DLCround-PT-09a-ReachabilityCardinality-2024-10 TRUE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL COLLATERAL_PROCESSING

Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
DLCround-PT-09a-ReachabilityCardinality-2024-10,0,6.8374,17592,1,0,12,38176,16,0,3101,18230,0
Reachability property DLCround-PT-09a-ReachabilityCardinality-2024-11 does not hold.
FORMULA DLCround-PT-09a-ReachabilityCardinality-2024-11 FALSE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL COLLATERAL_PROCESSING
No reachable states exhibit your property : DLCround-PT-09a-ReachabilityCardinality-2024-11

Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
DLCround-PT-09a-ReachabilityCardinality-2024-11,0,6.83983,17592,1,0,12,38176,16,0,3112,18230,0
Invariant property DLCround-PT-09a-ReachabilityCardinality-2024-13 is true.
FORMULA DLCround-PT-09a-ReachabilityCardinality-2024-13 TRUE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL COLLATERAL_PROCESSING

Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
DLCround-PT-09a-ReachabilityCardinality-2024-13,0,6.84227,17592,1,0,12,38176,16,0,3113,18230,0
Invariant property DLCround-PT-09a-ReachabilityCardinality-2024-15 is true.
FORMULA DLCround-PT-09a-ReachabilityCardinality-2024-15 TRUE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL COLLATERAL_PROCESSING

Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
DLCround-PT-09a-ReachabilityCardinality-2024-15,0,6.84419,17592,1,0,12,38176,16,0,3115,18230,0
ITS tools runner thread asked to quit. Dying gracefully.
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/112 variables, 112/112 constraints. Problems are: Problem set: 0 solved, 10 unsolved
Problem DLCround-PT-09a-ReachabilityCardinality-2024-03 is UNSAT
Problem DLCround-PT-09a-ReachabilityCardinality-2024-11 is UNSAT
After SMT solving in domain Real declared 112/501 variables, and 169 constraints, problems are : Problem set: 10 solved, 0 unsolved in 464 ms.
Refiners :[Domain max(s): 112/299 constraints, Positive P Invariants (semi-flows): 57/184 constraints, State Equation: 0/299 constraints, ReadFeed: 0/69 constraints, PredecessorRefiner: 10/10 constraints, Known Traps: 0/0 constraints]
After SMT, in 677ms problems are : Problem set: 10 solved, 0 unsolved
Skipping Parikh replay, no witness traces provided.
All properties solved without resorting to model-checking.
Total runtime 10211 ms.

BK_STOP 1716375535777

--------------------
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
+ [[ ReachabilityCardinality = StateSpace ]]
+ /home/mcc/BenchKit/bin//../itstools/bin//..//runeclipse.sh /home/mcc/execution ReachabilityCardinality -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_1.0.0.202405141337.jar
+ VERSION=202405141337
+ echo 'Running Version 202405141337'
+ /home/mcc/BenchKit/bin//../itstools/bin//..//itstools/its-tools -pnfolder /home/mcc/execution -examination ReachabilityCardinality -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="DLCround-PT-09a"
export BK_EXAMINATION="ReachabilityCardinality"
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 DLCround-PT-09a, 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 r114-smll-171624275500214"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/DLCround-PT-09a.tgz
mv DLCround-PT-09a 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 ;