fond
Model Checking Contest 2023
13th edition, Paris, France, April 26, 2023 (at TOOLympics II)
Execution of r230-tall-167856414100077
Last Updated
May 14, 2023

About the Execution of LoLA for IBM319-PT-none

Execution Summary
Max Memory
Used (MB)
Time wait (ms) CPU Usage (ms) I/O Wait (ms) Computed Result Execution
Status
53.235 144.00 90.00 0.00 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 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.r230-tall-167856414100077.qcow2', fmt=qcow2 size=4294967296 backing_file=/data/fkordon/mcc2023-input.qcow2 cluster_size=65536 lazy_refcounts=off refcount_bits=16
Waiting for the VM to be ready (probing ssh)
...........................................................................................
=====================================================================
Generated by BenchKit 2-5348
Executing tool lola
Input is IBM319-PT-none, examination is UpperBounds
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r230-tall-167856414100077
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 732K
-rw-r--r-- 1 mcc users 16K Feb 26 18:07 CTLCardinality.txt
-rw-r--r-- 1 mcc users 108K Feb 26 18:07 CTLCardinality.xml
-rw-r--r-- 1 mcc users 7.3K Feb 26 18:06 CTLFireability.txt
-rw-r--r-- 1 mcc users 41K Feb 26 18:06 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K Jan 29 11:40 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 5.7K Feb 25 16:17 LTLCardinality.txt
-rw-r--r-- 1 mcc users 27K Feb 25 16:17 LTLCardinality.xml
-rw-r--r-- 1 mcc users 3.8K Feb 25 16:17 LTLFireability.txt
-rw-r--r-- 1 mcc users 18K Feb 25 16:17 LTLFireability.xml
-rw-r--r-- 1 mcc users 21K Feb 26 18:08 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 125K Feb 26 18:08 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 21K Feb 26 18:07 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 102K Feb 26 18:07 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 2.1K Feb 25 16:17 UpperBounds.txt
-rw-r--r-- 1 mcc users 4.1K Feb 25 16:17 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 Mar 5 18:22 equiv_col
-rw-r--r-- 1 mcc users 5 Mar 5 18:22 instance
-rw-r--r-- 1 mcc users 6 Mar 5 18:22 iscolored
-rw-r--r-- 1 mcc users 184K 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 positive values
NUM_VECTOR

here is the order used to build the result vector(from text file)
FORMULA_NAME IBM319-PT-none-UpperBounds-00
FORMULA_NAME IBM319-PT-none-UpperBounds-01
FORMULA_NAME IBM319-PT-none-UpperBounds-02
FORMULA_NAME IBM319-PT-none-UpperBounds-03
FORMULA_NAME IBM319-PT-none-UpperBounds-04
FORMULA_NAME IBM319-PT-none-UpperBounds-05
FORMULA_NAME IBM319-PT-none-UpperBounds-06
FORMULA_NAME IBM319-PT-none-UpperBounds-07
FORMULA_NAME IBM319-PT-none-UpperBounds-08
FORMULA_NAME IBM319-PT-none-UpperBounds-09
FORMULA_NAME IBM319-PT-none-UpperBounds-10
FORMULA_NAME IBM319-PT-none-UpperBounds-11
FORMULA_NAME IBM319-PT-none-UpperBounds-12
FORMULA_NAME IBM319-PT-none-UpperBounds-13
FORMULA_NAME IBM319-PT-none-UpperBounds-14
FORMULA_NAME IBM319-PT-none-UpperBounds-15

=== Now, execution of the tool begins

BK_START 1679429161915

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=lola
BK_EXAMINATION=UpperBounds
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=IBM319-PT-none
Not applying reductions.
Model is PT
UpperBounds PT
starting LoLA
BK_INPUT IBM319-PT-none
BK_EXAMINATION: UpperBounds
bin directory: /home/mcc/BenchKit/bin//../lola/bin/
current directory: /home/mcc/execution
Upper Bounds

FORMULA IBM319-PT-none-UpperBounds-06 1 TECHNIQUES SEQUENTIAL_PROCESSING TOPOLOGICAL EXPLICIT STATE_COMPRESSION STUBBORN_SETS USE_NUPN UNFOLDING_TO_PT

FORMULA IBM319-PT-none-UpperBounds-03 1 TECHNIQUES SEQUENTIAL_PROCESSING TOPOLOGICAL EXPLICIT STATE_COMPRESSION STUBBORN_SETS USE_NUPN UNFOLDING_TO_PT

FORMULA IBM319-PT-none-UpperBounds-02 1 TECHNIQUES SEQUENTIAL_PROCESSING TOPOLOGICAL EXPLICIT STATE_COMPRESSION STUBBORN_SETS USE_NUPN UNFOLDING_TO_PT

FORMULA IBM319-PT-none-UpperBounds-13 1 TECHNIQUES SEQUENTIAL_PROCESSING TOPOLOGICAL EXPLICIT STATE_COMPRESSION STUBBORN_SETS USE_NUPN UNFOLDING_TO_PT

FORMULA IBM319-PT-none-UpperBounds-10 1 TECHNIQUES SEQUENTIAL_PROCESSING TOPOLOGICAL EXPLICIT STATE_COMPRESSION STUBBORN_SETS USE_NUPN UNFOLDING_TO_PT

FORMULA IBM319-PT-none-UpperBounds-00 1 TECHNIQUES SEQUENTIAL_PROCESSING TOPOLOGICAL EXPLICIT STATE_COMPRESSION STUBBORN_SETS USE_NUPN UNFOLDING_TO_PT

FORMULA IBM319-PT-none-UpperBounds-07 1 TECHNIQUES SEQUENTIAL_PROCESSING TOPOLOGICAL EXPLICIT STATE_COMPRESSION STUBBORN_SETS USE_NUPN UNFOLDING_TO_PT

FORMULA IBM319-PT-none-UpperBounds-09 1 TECHNIQUES SEQUENTIAL_PROCESSING TOPOLOGICAL EXPLICIT STATE_COMPRESSION STUBBORN_SETS USE_NUPN UNFOLDING_TO_PT

FORMULA IBM319-PT-none-UpperBounds-12 1 TECHNIQUES SEQUENTIAL_PROCESSING TOPOLOGICAL EXPLICIT STATE_COMPRESSION STUBBORN_SETS USE_NUPN UNFOLDING_TO_PT

FORMULA IBM319-PT-none-UpperBounds-14 1 TECHNIQUES SEQUENTIAL_PROCESSING TOPOLOGICAL EXPLICIT STATE_COMPRESSION STUBBORN_SETS USE_NUPN UNFOLDING_TO_PT

FORMULA IBM319-PT-none-UpperBounds-15 1 TECHNIQUES SEQUENTIAL_PROCESSING TOPOLOGICAL EXPLICIT STATE_COMPRESSION STUBBORN_SETS USE_NUPN UNFOLDING_TO_PT

FORMULA IBM319-PT-none-UpperBounds-04 1 TECHNIQUES SEQUENTIAL_PROCESSING TOPOLOGICAL EXPLICIT STATE_COMPRESSION STUBBORN_SETS USE_NUPN UNFOLDING_TO_PT

FORMULA IBM319-PT-none-UpperBounds-01 1 TECHNIQUES SEQUENTIAL_PROCESSING TOPOLOGICAL EXPLICIT STATE_COMPRESSION STUBBORN_SETS USE_NUPN UNFOLDING_TO_PT

FORMULA IBM319-PT-none-UpperBounds-11 1 TECHNIQUES SEQUENTIAL_PROCESSING TOPOLOGICAL EXPLICIT STATE_COMPRESSION STUBBORN_SETS USE_NUPN UNFOLDING_TO_PT

FORMULA IBM319-PT-none-UpperBounds-05 1 TECHNIQUES SEQUENTIAL_PROCESSING TOPOLOGICAL EXPLICIT STATE_COMPRESSION STUBBORN_SETS USE_NUPN UNFOLDING_TO_PT

FORMULA IBM319-PT-none-UpperBounds-08 1 TECHNIQUES SEQUENTIAL_PROCESSING TOPOLOGICAL EXPLICIT STATE_COMPRESSION STUBBORN_SETS USE_NUPN UNFOLDING_TO_PT

BK_STOP 1679429162059

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

lola: MEM LIMIT 32
lola: MEM LIMIT 5
lola: NET
lola: input: PNML file (--pnmlnet)
lola: reading net from /home/mcc/execution/model.pnml
lola: reading pnml
lola: PNML file contains place/transition net
lola: finished parsing
lola: closed net file /home/mcc/execution/model.pnml
lola: Reading formula.
lola: Using XML format (--xmlformula)
lola: reading XML formula
lola: reading formula from /home/mcc/execution/UpperBounds.xml
lola: Rule S: 0 transitions removed,0 places removed
lola: LAUNCH task # 51 (type EXCL) for 18 IBM319-PT-none-UpperBounds-06
lola: time limit : 133 sec
lola: memory limit: 32 pages
lola: LAUNCH task # 49 (type FNDP) for 18 IBM319-PT-none-UpperBounds-06
lola: time limit : 32000000 sec
lola: memory limit: 5 pages
lola: LAUNCH task # 50 (type EQUN) for 18 IBM319-PT-none-UpperBounds-06
lola: time limit : 32000000 sec
lola: memory limit: 5 pages
lola: Structural Bound: 1
lola: LAUNCH task # 48 (type FNDP) for 6 IBM319-PT-none-UpperBounds-02
lola: time limit : 32000000 sec
lola: memory limit: 5 pages
lola: REPORT NUM
lola: FINISHED task # 51 (type EXCL) for IBM319-PT-none-UpperBounds-06
lola: markings : 3
lola: fired transitions : 2
lola: time used : 1.000000
lola: memory pages used : 1
lola: CANCELED task # 49 (type FNDP) for IBM319-PT-none-UpperBounds-06 (obsolete)
lola: CANCELED task # 50 (type EQUN) for IBM319-PT-none-UpperBounds-06 (obsolete)
lola: LAUNCH task # 65 (type EXCL) for 39 IBM319-PT-none-UpperBounds-13
lola: time limit : 143 sec
lola: memory limit: 32 pages
lola: LAUNCH task # 52 (type FNDP) for 9 IBM319-PT-none-UpperBounds-03
lola: time limit : 32000000 sec
lola: memory limit: 5 pages
lola: LAUNCH task # 55 (type EQUN) for 9 IBM319-PT-none-UpperBounds-03
lola: time limit : 32000000 sec
lola: memory limit: 5 pages
lola: REPORT NUM
lola: REPORT NUM
lola: FINISHED task # 52 (type FNDP) for IBM319-PT-none-UpperBounds-03
lola: fired transitions : 1
lola: tried executions : 1
lola: time used : 0.000000
lola: REPORT NUM
lola: CANCELED task # 55 (type EQUN) for IBM319-PT-none-UpperBounds-03 (obsolete)
lola: LAUNCH task # 66 (type FNDP) for 30 IBM319-PT-none-UpperBounds-10
lola: time limit : 32000000 sec
lola: memory limit: 5 pages
lola: LAUNCH task # 82 (type EQUN) for 30 IBM319-PT-none-UpperBounds-10
lola: time limit : 32000000 sec
lola: memory limit: 5 pages
lola: Structural Bound: 1
lola: REPORT NUM
lola: FINISHED task # 48 (type FNDP) for IBM319-PT-none-UpperBounds-02
lola: fired transitions : 1
lola: tried executions : 1
lola: time used : 0.000000
lola: FINISHED task # 65 (type EXCL) for IBM319-PT-none-UpperBounds-13
lola: markings : 3
lola: fired transitions : 2
lola: time used : 0.000000
lola: memory pages used : 1
lola: FINISHED task # 49 (type FNDP) for IBM319-PT-none-UpperBounds-06
lola: fired transitions : 1
lola: tried executions : 1
lola: time used : 0.000000
lola: REPORT NUM
lola: LAUNCH task # 90 (type EXCL) for 27 IBM319-PT-none-UpperBounds-09
lola: time limit : 179 sec
lola: memory limit: 32 pages
lola: LAUNCH task # 57 (type FNDP) for 0 IBM319-PT-none-UpperBounds-00
lola: time limit : 32000000 sec
lola: memory limit: 5 pages
lola: FINISHED task # 66 (type FNDP) for IBM319-PT-none-UpperBounds-10
lola: tried executions : 1
lola: time used : 0.000000
lola: Structural Bound: 1
lola: CANCELED task # 82 (type EQUN) for IBM319-PT-none-UpperBounds-10 (obsolete)
lola: REPORT NUM
lola: LAUNCH task # 60 (type FNDP) for 21 IBM319-PT-none-UpperBounds-07
lola: time limit : 32000000 sec
lola: memory limit: 5 pages
lola: LAUNCH task # 61 (type EQUN) for 21 IBM319-PT-none-UpperBounds-07
lola: time limit : 32000000 sec
lola: memory limit: 5 pages
lola: FINISHED task # 90 (type EXCL) for IBM319-PT-none-UpperBounds-09
lola: markings : 3
lola: fired transitions : 2
lola: time used : 0.000000
lola: memory pages used : 1
lola: REPORT NUM
lola: FINISHED task # 57 (type FNDP) for IBM319-PT-none-UpperBounds-00
lola: fired transitions : 1
lola: tried executions : 1
lola: time used : 0.000000
lola: REPORT NUM
lola: FINISHED task # 60 (type FNDP) for IBM319-PT-none-UpperBounds-07
lola: fired transitions : 1
lola: tried executions : 1
lola: time used : 0.000000
lola: CANCELED task # 61 (type EQUN) for IBM319-PT-none-UpperBounds-07 (obsolete)
lola: LAUNCH task # 95 (type EXCL) for 36 IBM319-PT-none-UpperBounds-12
lola: time limit : 239 sec
lola: memory limit: 32 pages
lola: LAUNCH task # 67 (type FNDP) for 12 IBM319-PT-none-UpperBounds-04
lola: time limit : 32000000 sec
lola: memory limit: 5 pages
lola: LAUNCH task # 68 (type EQUN) for 12 IBM319-PT-none-UpperBounds-04
lola: time limit : 32000000 sec
lola: memory limit: 5 pages
lola: LAUNCH task # 70 (type FNDP) for 42 IBM319-PT-none-UpperBounds-14
lola: time limit : 32000000 sec
lola: memory limit: 5 pages
lola: Structural Bound: 1
lola: REPORT NUM
lola: FINISHED task # 95 (type EXCL) for IBM319-PT-none-UpperBounds-12
lola: markings : 3
lola: fired transitions : 2
lola: time used : 0.000000
lola: memory pages used : 1
lola: LAUNCH task # 94 (type EXCL) for 45 IBM319-PT-none-UpperBounds-15
lola: time limit : 276 sec
lola: memory limit: 32 pages
sara: try reading problem file /home/mcc/execution/UpperBounds-82.sara.
sara: try reading problem file /home/mcc/execution/UpperBounds-50.sara.
sara: try reading problem file /home/mcc/execution/UpperBounds-55.sara.
sara: try reading problem file /home/mcc/execution/UpperBounds-61.sara.
lola: Structural Bound: 1

lola:
REPORT NUM

lola: FINISHED task # 70 (type FNDP) for IBM319-PT-none-UpperBounds-14
lola: fired transitions : 1
lola: tried executions : 1
lola: time used : 0.000000

lola: REPORT NUM
lola: LAUNCH task # 73 (type FNDP) for 15 IBM319-PT-none-UpperBounds-05
lola: time limit : 32000000 sec
lola: memory limit: 5 pages
lola: FINISHED task # 94 (type EXCL) for IBM319-PT-none-UpperBounds-15
lola: markings : 3
lola: fired transitions : 2
lola: time used : 0.000000
lola: memory pages used : 1
lola: LAUNCH task # 91 (type EXCL) for 3 IBM319-PT-none-UpperBounds-01
lola: time limit : 399 sec
lola: memory limit: 32 pages
lola: REPORT NUM
lola: FINISHED task # 67 (type FNDP) for IBM319-PT-none-UpperBounds-04
lola: fired transitions : 1
lola: tried executions : 1
lola: time used : 0.000000
lola: CANCELED task # 68 (type EQUN) for IBM319-PT-none-UpperBounds-04 (obsolete)
lola: LAUNCH task # 76 (type FNDP) for 24 IBM319-PT-none-UpperBounds-08
lola: time limit : 32000000 sec
lola: memory limit: 5 pages
lola: LAUNCH task # 77 (type EQUN) for 24 IBM319-PT-none-UpperBounds-08
lola: time limit : 32000000 sec
lola: memory limit: 5 pages
sara: try reading problem file /home/mcc/execution/UpperBounds-68.sara.
lola: REPORT NUM
lola: FINISHED task # 82 (type EQUN) for IBM319-PT-none-UpperBounds-10
lola: time used : 0.000000

lola: Structural Bound: 1
lola: REPORT NUM
lola: FINISHED task # 91 (type EXCL) for IBM319-PT-none-UpperBounds-01
lola: markings : 3
lola: fired transitions : 2
lola: time used : 0.000000
lola: memory pages used : 1
lola: LAUNCH task # 81 (type EXCL) for 33 IBM319-PT-none-UpperBounds-11
lola: time limit : 599 sec
lola: memory limit: 32 pages
lola: Structural Bound: 1
lola: REPORT NUM
lola: FINISHED task # 81 (type EXCL) for IBM319-PT-none-UpperBounds-11
lola: markings : 3
lola: fired transitions : 2
lola: time used : 0.000000
lola: memory pages used : 1
lola: REPORT NUM
lola: LAUNCH task # 78 (type EXCL) for 24 IBM319-PT-none-UpperBounds-08
lola: time limit : 899 sec
lola: memory limit: 32 pages
lola: FINISHED task # 61 (type EQUN) for IBM319-PT-none-UpperBounds-07
lola: time used : 0.000000
lola: REPORT NUM
lola: Structural Bound: 1
lola: FINISHED task # 73 (type FNDP) for IBM319-PT-none-UpperBounds-05
lola: fired transitions : 1
lola: tried executions : 1
lola: time used : 0.000000
lola: REPORT NUM
lola: FINISHED task # 55 (type EQUN) for IBM319-PT-none-UpperBounds-03
lola: time used : 0.000000
lola: REPORT NUM
lola: REPORT NUM
lola: REPORT NUM
lola: FINISHED task # 76 (type FNDP) for IBM319-PT-none-UpperBounds-08
lola: fired transitions : 1
lola: tried executions : 1
lola: time used : 0.000000
lola: CANCELED task # 77 (type EQUN) for IBM319-PT-none-UpperBounds-08 (obsolete)
lola: CANCELED task # 78 (type EXCL) for IBM319-PT-none-UpperBounds-08 (obsolete)
lola: Portfolio finished: no open formulas

FINAL RESULTS
FINISHED FORMULA: CATEGORY VALUE PRODUCED BY
IBM319-PT-none-UpperBounds-00: BOUND 1 findpath
IBM319-PT-none-UpperBounds-01: BOUND 1 state space
IBM319-PT-none-UpperBounds-02: BOUND 1 findpath
IBM319-PT-none-UpperBounds-03: BOUND 1 findpath
IBM319-PT-none-UpperBounds-04: BOUND 1 findpath
IBM319-PT-none-UpperBounds-05: BOUND 1 findpath
IBM319-PT-none-UpperBounds-06: BOUND 1 state space
IBM319-PT-none-UpperBounds-07: BOUND 1 findpath
IBM319-PT-none-UpperBounds-08: BOUND 1 findpath
IBM319-PT-none-UpperBounds-09: BOUND 1 state space
IBM319-PT-none-UpperBounds-10: BOUND 1 findpath
IBM319-PT-none-UpperBounds-11: BOUND 1 state space
IBM319-PT-none-UpperBounds-12: BOUND 1 state space
IBM319-PT-none-UpperBounds-13: BOUND 1 state space
IBM319-PT-none-UpperBounds-14: BOUND 1 findpath
IBM319-PT-none-UpperBounds-15: BOUND 1 state space


Time elapsed: 1 secs. Pages in use: 1

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="IBM319-PT-none"
export BK_EXAMINATION="UpperBounds"
export BK_TOOL="lola"
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 lola"
echo " Input is IBM319-PT-none, examination is UpperBounds"
echo " Time confinement is $BK_TIME_CONFINEMENT seconds"
echo " Memory confinement is 16384 MBytes"
echo " Number of cores is 4"
echo " Run identifier is r230-tall-167856414100077"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/IBM319-PT-none.tgz
mv IBM319-PT-none execution
cd execution
if [ "UpperBounds" = "ReachabilityDeadlock" ] || [ "UpperBounds" = "UpperBounds" ] || [ "UpperBounds" = "QuasiLiveness" ] || [ "UpperBounds" = "StableMarking" ] || [ "UpperBounds" = "Liveness" ] || [ "UpperBounds" = "OneSafe" ] || [ "UpperBounds" = "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 [ "UpperBounds" = "UpperBounds" ] ; then
echo "The expected result is a vector of positive values"
echo NUM_VECTOR
elif [ "UpperBounds" != "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 "UpperBounds.txt" ] ; then
echo "here is the order used to build the result vector(from text file)"
for x in $(grep Property UpperBounds.txt | cut -d ' ' -f 2 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ -f "UpperBounds.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 '' UpperBounds.xml | cut -d '>' -f 2 | cut -d '<' -f 1 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ "UpperBounds" = "ReachabilityDeadlock" ] || [ "UpperBounds" = "QuasiLiveness" ] || [ "UpperBounds" = "StableMarking" ] || [ "UpperBounds" = "Liveness" ] || [ "UpperBounds" = "OneSafe" ] ; then
echo "FORMULA_NAME UpperBounds"
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 ;