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.r137-tall-171631133500084.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 lola
Input is Dekker-PT-010, examination is LTLFireability
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r137-tall-171631133500084
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 496K
-rw-r--r-- 1 mcc users 8.2K May 14 13:22 CTLCardinality.txt
-rw-r--r-- 1 mcc users 90K May 14 13:22 CTLCardinality.xml
-rw-r--r-- 1 mcc users 4.6K May 14 13:22 CTLFireability.txt
-rw-r--r-- 1 mcc users 35K 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 3.6K Apr 22 14:39 LTLCardinality.txt
-rw-r--r-- 1 mcc users 25K Apr 22 14:39 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.4K Apr 22 14:39 LTLFireability.txt
-rw-r--r-- 1 mcc users 16K Apr 22 14:39 LTLFireability.xml
-rw-r--r-- 1 mcc users 12K Apr 11 20:12 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 114K Apr 11 20:12 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 7.5K Apr 11 20:10 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 53K Apr 11 20:10 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.6K Apr 22 14:39 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.6K Apr 22 14:39 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 65K 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 Dekker-PT-010-LTLFireability-00
FORMULA_NAME Dekker-PT-010-LTLFireability-01
FORMULA_NAME Dekker-PT-010-LTLFireability-02
FORMULA_NAME Dekker-PT-010-LTLFireability-03
FORMULA_NAME Dekker-PT-010-LTLFireability-04
FORMULA_NAME Dekker-PT-010-LTLFireability-05
FORMULA_NAME Dekker-PT-010-LTLFireability-06
FORMULA_NAME Dekker-PT-010-LTLFireability-07
FORMULA_NAME Dekker-PT-010-LTLFireability-08
FORMULA_NAME Dekker-PT-010-LTLFireability-09
FORMULA_NAME Dekker-PT-010-LTLFireability-10
FORMULA_NAME Dekker-PT-010-LTLFireability-11
FORMULA_NAME Dekker-PT-010-LTLFireability-12
FORMULA_NAME Dekker-PT-010-LTLFireability-13
FORMULA_NAME Dekker-PT-010-LTLFireability-14
FORMULA_NAME Dekker-PT-010-LTLFireability-15

=== Now, execution of the tool begins

BK_START 1717011327232

FORMULA Dekker-PT-010-LTLFireability-00 FALSE TECHNIQUES COLLATERAL_PROCESSING EXPLICIT TOPOLOGICAL STATE_COMPRESSION STUBBORN_SETS USE_NUPN UNFOLDING_TO_PT
FORMULA Dekker-PT-010-LTLFireability-13 FALSE TECHNIQUES COLLATERAL_PROCESSING EXPLICIT TOPOLOGICAL STATE_COMPRESSION STUBBORN_SETS USE_NUPN UNFOLDING_TO_PT
FORMULA Dekker-PT-010-LTLFireability-01 FALSE TECHNIQUES COLLATERAL_PROCESSING EXPLICIT TOPOLOGICAL STATE_COMPRESSION STUBBORN_SETS USE_NUPN UNFOLDING_TO_PT
FORMULA Dekker-PT-010-LTLFireability-05 FALSE TECHNIQUES COLLATERAL_PROCESSING EXPLICIT TOPOLOGICAL STATE_COMPRESSION STUBBORN_SETS USE_NUPN UNFOLDING_TO_PT
FORMULA Dekker-PT-010-LTLFireability-07 FALSE TECHNIQUES COLLATERAL_PROCESSING EXPLICIT TOPOLOGICAL STATE_COMPRESSION STUBBORN_SETS USE_NUPN UNFOLDING_TO_PT
FORMULA Dekker-PT-010-LTLFireability-09 FALSE TECHNIQUES COLLATERAL_PROCESSING EXPLICIT TOPOLOGICAL STATE_COMPRESSION STUBBORN_SETS USE_NUPN UNFOLDING_TO_PT
FORMULA Dekker-PT-010-LTLFireability-15 FALSE TECHNIQUES COLLATERAL_PROCESSING EXPLICIT TOPOLOGICAL STATE_COMPRESSION STUBBORN_SETS USE_NUPN UNFOLDING_TO_PT
FORMULA Dekker-PT-010-LTLFireability-12 FALSE TECHNIQUES COLLATERAL_PROCESSING EXPLICIT TOPOLOGICAL STATE_COMPRESSION STUBBORN_SETS USE_NUPN UNFOLDING_TO_PT
FORMULA Dekker-PT-010-LTLFireability-04 FALSE TECHNIQUES COLLATERAL_PROCESSING EXPLICIT TOPOLOGICAL STATE_COMPRESSION STUBBORN_SETS USE_NUPN UNFOLDING_TO_PT
FORMULA Dekker-PT-010-LTLFireability-11 FALSE TECHNIQUES COLLATERAL_PROCESSING EXPLICIT TOPOLOGICAL STATE_COMPRESSION STUBBORN_SETS USE_NUPN UNFOLDING_TO_PT
FORMULA Dekker-PT-010-LTLFireability-10 FALSE TECHNIQUES COLLATERAL_PROCESSING EXPLICIT TOPOLOGICAL STATE_COMPRESSION STUBBORN_SETS USE_NUPN UNFOLDING_TO_PT
FORMULA Dekker-PT-010-LTLFireability-03 TRUE TECHNIQUES COLLATERAL_PROCESSING EXPLICIT TOPOLOGICAL STATE_COMPRESSION STUBBORN_SETS USE_NUPN UNFOLDING_TO_PT
FORMULA Dekker-PT-010-LTLFireability-02 FALSE TECHNIQUES COLLATERAL_PROCESSING EXPLICIT TOPOLOGICAL STATE_COMPRESSION STUBBORN_SETS USE_NUPN UNFOLDING_TO_PT
FORMULA Dekker-PT-010-LTLFireability-14 FALSE TECHNIQUES COLLATERAL_PROCESSING EXPLICIT TOPOLOGICAL STATE_COMPRESSION STUBBORN_SETS USE_NUPN UNFOLDING_TO_PT
FORMULA Dekker-PT-010-LTLFireability-08 FALSE TECHNIQUES COLLATERAL_PROCESSING EXPLICIT TOPOLOGICAL STATE_COMPRESSION STUBBORN_SETS USE_NUPN UNFOLDING_TO_PT
FORMULA Dekker-PT-010-LTLFireability-06 FALSE TECHNIQUES COLLATERAL_PROCESSING EXPLICIT TOPOLOGICAL STATE_COMPRESSION STUBBORN_SETS USE_NUPN UNFOLDING_TO_PT
[lola] FINAL RESULTS
[lola]  FINISHED FORMULA: CATEGORY VALUE PRODUCED BY
[lola] Dekker-PT-010-LTLFireability-00: CONJ false preprocessing
[lola] Dekker-PT-010-LTLFireability-01: CONJ false LTL model checker
[lola] Dekker-PT-010-LTLFireability-02: CONJ false LTL model checker
[lola] Dekker-PT-010-LTLFireability-03: LTL true LTL model checker
[lola] Dekker-PT-010-LTLFireability-04: CONJ false LTL model checker
[lola] Dekker-PT-010-LTLFireability-05: LTL false LTL model checker
[lola] Dekker-PT-010-LTLFireability-06: LTL false LTL model checker
[lola] Dekker-PT-010-LTLFireability-07: AG false findpath
[lola] Dekker-PT-010-LTLFireability-08: LTL false LTL model checker
[lola] Dekker-PT-010-LTLFireability-09: CONJ false LTL model checker
[lola] Dekker-PT-010-LTLFireability-10: LTL false LTL model checker
[lola] Dekker-PT-010-LTLFireability-11: LTL false LTL model checker
[lola] Dekker-PT-010-LTLFireability-12: LTL false LTL model checker
[lola] Dekker-PT-010-LTLFireability-13: LTL false LTL model checker
[lola] Dekker-PT-010-LTLFireability-14: LTL false LTL model checker
[lola] Dekker-PT-010-LTLFireability-15: CONJ false LTL model checker
[lola]
[lola] Time elapsed: 0 secs. Pages in use: 1

BK_STOP 1717011327592

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

[lola][I] LoLA will run for 3600 seconds at most (--timelimit)
[lola][W] unknown unit in memory specification: using default
[lola][I] MEM LIMIT 5
[lola][I] NET
[lola][I] reading net from model.pnml
[lola][I] input: PNML file (--pnmlnet)
[lola][I] reading pnml
[lola][I] PNML file contains place/transition net
[lola][I] closed net file model.pnml
[lola][I] finished parsing
[lola][I] Reading formula.
[lola][I] Using XML format (--xmlformula)
[lola][I] reading XML formula
[lola][I] reading formula from LTLFireability.xml
[lola][I] Rule S: 0 transitions removed,0 places removed
[lola][I] NOTDEADLOCKFREE
[lola][I] NOTDEADLOCKFREE
[lola][I] LAUNCH task # 80 (type SKEL/SRCH) for 24 Dekker-PT-010-LTLFireability-04
[lola][I] time limit : 32000000 sec
[lola][I] memory limit: 5 pages
[lola][I] FINISHED task # 80 (type SKEL/SRCH) for Dekker-PT-010-LTLFireability-04
[lola][I] result : false
[lola][I] markings : 22
[lola][I] fired transitions : 22
[lola][I] time used : 0
[lola][I] memory pages used : 1
[lola][I] LAUNCH task # 27 (type CNST) for 24 Dekker-PT-010-LTLFireability-04
[lola][I] time limit : 0 sec
[lola][I] memory limit: 0 pages
[lola][I] FINISHED task # 27 (type CNST) for Dekker-PT-010-LTLFireability-04
[lola][I] result : true
[lola][I] LAUNCH task # 5 (type EXCL) for 0 Dekker-PT-010-LTLFireability-00
[lola][I] time limit : 94 sec
[lola][I] memory limit: 2000 pages
[lola][I] LAUNCH task # 3 (type CNST) for 0 Dekker-PT-010-LTLFireability-00
[lola][I] time limit : 0 sec
[lola][I] memory limit: 0 pages
[lola][I] FINISHED task # 3 (type CNST) for Dekker-PT-010-LTLFireability-00
[lola][I] result : false
[lola][W] CANCELED task # 5 (type EXCL) for Dekker-PT-010-LTLFireability-00 (obsolete)
[lola][I] NOTDEADLOCKFREE
[lola][I] LAUNCH task # 81 (type SKEL/SRCH) for 51 Dekker-PT-010-LTLFireability-09
[lola][I] time limit : 32000000 sec
[lola][I] memory limit: 5 pages
[lola][I] FINISHED task # 81 (type SKEL/SRCH) for Dekker-PT-010-LTLFireability-09
[lola][I] result : false
[lola][I] markings : 11
[lola][I] fired transitions : 11
[lola][I] time used : 0
[lola][I] memory pages used : 1
[lola][I] LAUNCH task # 68 (type EXCL) for 67 Dekker-PT-010-LTLFireability-13
[lola][I] time limit : 128 sec
[lola][I] memory limit: 2000 pages
[lola][I] FINISHED task # 68 (type EXCL) for Dekker-PT-010-LTLFireability-13
[lola][I] result : false
[lola][I] markings : 10
[lola][I] fired transitions : 11
[lola][I] time used : 0
[lola][I] memory pages used : 1
[lola][I] NOTDEADLOCKFREE
[lola][I] NOTDEADLOCKFREE
[lola][I] LAUNCH task # 82 (type SKEL/SRCH) for 24 Dekker-PT-010-LTLFireability-04
[lola][I] time limit : 32000000 sec
[lola][I] memory limit: 5 pages
[lola][I] FINISHED task # 82 (type SKEL/SRCH) for Dekker-PT-010-LTLFireability-04
[lola][I] result : false
[lola][I] markings : 51
[lola][I] fired transitions : 153
[lola][I] time used : 0
[lola][I] memory pages used : 1
[lola][I] LAUNCH task # 10 (type EXCL) for 7 Dekker-PT-010-LTLFireability-01
[lola][I] time limit : 156 sec
[lola][I] memory limit: 2000 pages
[lola][I] FINISHED task # 10 (type EXCL) for Dekker-PT-010-LTLFireability-01
[lola][I] result : false
[lola][I] markings : 21
[lola][I] fired transitions : 70
[lola][I] time used : 0
[lola][I] memory pages used : 1
[lola][I] LAUNCH task # 40 (type EXCL) for 39 Dekker-PT-010-LTLFireability-05
[lola][I] time limit : 171 sec
[lola][I] memory limit: 2000 pages
[lola][I] FINISHED task # 40 (type EXCL) for Dekker-PT-010-LTLFireability-05
[lola][I] result : false
[lola][I] markings : 10
[lola][I] fired transitions : 10
[lola][I] time used : 0
[lola][I] memory pages used : 1
[lola][I] LAUNCH task # 56 (type EXCL) for 51 Dekker-PT-010-LTLFireability-09
[lola][I] time limit : 180 sec
[lola][I] memory limit: 2000 pages
[lola][I] LAUNCH task # 84 (type FNDP) for 45 Dekker-PT-010-LTLFireability-07
[lola][I] time limit : 32000000 sec
[lola][I] memory limit: 5 pages
[lola][I] LAUNCH task # 85 (type EQUN) for 45 Dekker-PT-010-LTLFireability-07
[lola][I] time limit : 32000000 sec
[lola][I] memory limit: 5 pages
[lola][I] NOTDEADLOCKFREE
[lola][I] FINISHED task # 84 (type FNDP) for Dekker-PT-010-LTLFireability-07
[lola][I] result : true
[lola][I] tried executions : 1
[lola][I] time used : 0
[lola][I] memory pages used : 0
[lola][W] CANCELED task # 85 (type EQUN) for Dekker-PT-010-LTLFireability-07 (obsolete)
[lola][I] LAUNCH task # 91 (type EQUN) for 73 Dekker-PT-010-LTLFireability-15
[lola][I] time limit : 32000000 sec
[lola][I] memory limit: 5 pages
[lola][I] FINISHED task # 56 (type EXCL) for Dekker-PT-010-LTLFireability-09
[lola][I] result : false
[lola][I] markings : 896
[lola][I] fired transitions : 5674
[lola][I] time used : 0
[lola][I] memory pages used : 1
[lola][I] LAUNCH task # 78 (type EXCL) for 73 Dekker-PT-010-LTLFireability-15
[lola][I] time limit : 225 sec
[lola][I] memory limit: 2000 pages
[lola][I] FINISHED task # 78 (type EXCL) for Dekker-PT-010-LTLFireability-15
[lola][I] result : false
[lola][I] markings : 9
[lola][I] fired transitions : 9
[lola][I] time used : 0
[lola][I] memory pages used : 1
[lola][W] CANCELED task # 91 (type EQUN) for Dekker-PT-010-LTLFireability-15 (obsolete)
[lola][I] LAUNCH task # 65 (type EXCL) for 64 Dekker-PT-010-LTLFireability-12
[lola][I] time limit : 300 sec
[lola][I] memory limit: 2000 pages
[lola][I] FINISHED task # 65 (type EXCL) for Dekker-PT-010-LTLFireability-12
[lola][I] result : false
[lola][I] markings : 9
[lola][I] fired transitions : 9
[lola][I] time used : 0
[lola][I] memory pages used : 1
[lola][I] NOTDEADLOCKFREE
[lola][I] LAUNCH task # 37 (type EXCL) for 24 Dekker-PT-010-LTLFireability-04
[lola][I] time limit : 327 sec
[lola][I] memory limit: 2000 pages
[lola][I] FINISHED task # 85 (type EQUN) for Dekker-PT-010-LTLFireability-07
[lola][I] result : unknown
[lola][I] FINISHED task # 91 (type EQUN) for Dekker-PT-010-LTLFireability-15
[lola][I] result : unknown
[lola][I] FINISHED task # 37 (type EXCL) for Dekker-PT-010-LTLFireability-04
[lola][I] result : false
[lola][I] markings : 2571
[lola][I] fired transitions : 50491
[lola][I] time used : 0
[lola][I] memory pages used : 1
[lola][I] LAUNCH task # 62 (type EXCL) for 61 Dekker-PT-010-LTLFireability-11
[lola][I] time limit : 450 sec
[lola][I] memory limit: 2000 pages
[lola][I] FINISHED task # 62 (type EXCL) for Dekker-PT-010-LTLFireability-11
[lola][I] result : false
[lola][I] markings : 12
[lola][I] fired transitions : 12
[lola][I] time used : 0
[lola][I] memory pages used : 1
[lola][I] LAUNCH task # 59 (type EXCL) for 58 Dekker-PT-010-LTLFireability-10
[lola][I] time limit : 514 sec
[lola][I] memory limit: 2000 pages
[lola][I] FINISHED task # 59 (type EXCL) for Dekker-PT-010-LTLFireability-10
[lola][I] result : false
[lola][I] markings : 9
[lola][I] fired transitions : 9
[lola][I] time used : 0
[lola][I] memory pages used : 1
[lola][I] LAUNCH task # 22 (type EXCL) for 21 Dekker-PT-010-LTLFireability-03
[lola][I] time limit : 600 sec
[lola][I] memory limit: 2000 pages
[lola][I] FINISHED task # 22 (type EXCL) for Dekker-PT-010-LTLFireability-03
[lola][I] result : true
[lola][I] markings : 16641
[lola][I] fired transitions : 397864
[lola][I] time used : 0
[lola][I] memory pages used : 1
[lola][I] LAUNCH task # 17 (type EXCL) for 14 Dekker-PT-010-LTLFireability-02
[lola][I] time limit : 720 sec
[lola][I] memory limit: 2000 pages
[lola][I] FINISHED task # 17 (type EXCL) for Dekker-PT-010-LTLFireability-02
[lola][I] result : false
[lola][I] markings : 9
[lola][I] fired transitions : 9
[lola][I] time used : 0
[lola][I] memory pages used : 1
[lola][I] LAUNCH task # 71 (type EXCL) for 70 Dekker-PT-010-LTLFireability-14
[lola][I] time limit : 1200 sec
[lola][I] memory limit: 2000 pages
[lola][I] FINISHED task # 71 (type EXCL) for Dekker-PT-010-LTLFireability-14
[lola][I] result : false
[lola][I] markings : 10
[lola][I] fired transitions : 10
[lola][I] time used : 0
[lola][I] memory pages used : 1
[lola][I] LAUNCH task # 49 (type EXCL) for 48 Dekker-PT-010-LTLFireability-08
[lola][I] time limit : 1800 sec
[lola][I] memory limit: 2000 pages
[lola][I] FINISHED task # 49 (type EXCL) for Dekker-PT-010-LTLFireability-08
[lola][I] result : false
[lola][I] markings : 10
[lola][I] fired transitions : 10
[lola][I] time used : 0
[lola][I] memory pages used : 1
[lola][I] LAUNCH task # 43 (type EXCL) for 42 Dekker-PT-010-LTLFireability-06
[lola][I] time limit : 3600 sec
[lola][I] memory limit: 2000 pages
[lola][I] FINISHED task # 43 (type EXCL) for Dekker-PT-010-LTLFireability-06
[lola][I] result : false
[lola][I] markings : 9
[lola][I] fired transitions : 9
[lola][I] time used : 0
[lola][I] memory pages used : 1
[lola][I] Portfolio finished: no open formulas

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="Dekker-PT-010"
export BK_EXAMINATION="LTLFireability"
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 2-5568"
echo " Executing tool lola"
echo " Input is Dekker-PT-010, examination is LTLFireability"
echo " Time confinement is $BK_TIME_CONFINEMENT seconds"
echo " Memory confinement is 16384 MBytes"
echo " Number of cores is 4"
echo " Run identifier is r137-tall-171631133500084"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/Dekker-PT-010.tgz
mv Dekker-PT-010 execution
cd execution
if [ "LTLFireability" = "ReachabilityDeadlock" ] || [ "LTLFireability" = "UpperBounds" ] || [ "LTLFireability" = "QuasiLiveness" ] || [ "LTLFireability" = "StableMarking" ] || [ "LTLFireability" = "Liveness" ] || [ "LTLFireability" = "OneSafe" ] || [ "LTLFireability" = "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 [ "LTLFireability" = "UpperBounds" ] ; then
echo "The expected result is a vector of positive values"
echo NUM_VECTOR
elif [ "LTLFireability" != "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 "LTLFireability.txt" ] ; then
echo "here is the order used to build the result vector(from text file)"
for x in $(grep Property LTLFireability.txt | cut -d ' ' -f 2 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ -f "LTLFireability.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 '' LTLFireability.xml | cut -d '>' -f 2 | cut -d '<' -f 1 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ "LTLFireability" = "ReachabilityDeadlock" ] || [ "LTLFireability" = "QuasiLiveness" ] || [ "LTLFireability" = "StableMarking" ] || [ "LTLFireability" = "Liveness" ] || [ "LTLFireability" = "OneSafe" ] ; then
echo "FORMULA_NAME LTLFireability"
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 ;