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.r070-smll-167814396700055.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 CSRepetitions-PT-02, examination is ReachabilityFireability
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r070-smll-167814396700055
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 644K
-rw-r--r-- 1 mcc users 13K Feb 25 11:53 CTLCardinality.txt
-rw-r--r-- 1 mcc users 91K Feb 25 11:53 CTLCardinality.xml
-rw-r--r-- 1 mcc users 12K Feb 25 11:51 CTLFireability.txt
-rw-r--r-- 1 mcc users 73K Feb 25 11:51 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K Jan 29 11:40 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 6.5K Jan 29 11:40 GenericPropertiesVerdict.xml
-rw-r--r-- 1 mcc users 7.2K Feb 25 15:41 LTLCardinality.txt
-rw-r--r-- 1 mcc users 33K Feb 25 15:41 LTLCardinality.xml
-rw-r--r-- 1 mcc users 5.1K Feb 25 15:41 LTLFireability.txt
-rw-r--r-- 1 mcc users 25K Feb 25 15:41 LTLFireability.xml
-rw-r--r-- 1 mcc users 18K Feb 25 11:54 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 103K Feb 25 11:54 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 26K Feb 25 11:53 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 146K Feb 25 11:53 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 2.5K Feb 25 15:41 UpperBounds.txt
-rw-r--r-- 1 mcc users 5.2K Feb 25 15:41 UpperBounds.xml
-rw-r--r-- 1 mcc users 5 Mar 5 18:22 equiv_col
-rw-r--r-- 1 mcc users 3 Mar 5 18:22 instance
-rw-r--r-- 1 mcc users 6 Mar 5 18:22 iscolored
-rw-r--r-- 1 mcc users 26K 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 CSRepetitions-PT-02-ReachabilityFireability-00
FORMULA_NAME CSRepetitions-PT-02-ReachabilityFireability-01
FORMULA_NAME CSRepetitions-PT-02-ReachabilityFireability-02
FORMULA_NAME CSRepetitions-PT-02-ReachabilityFireability-03
FORMULA_NAME CSRepetitions-PT-02-ReachabilityFireability-04
FORMULA_NAME CSRepetitions-PT-02-ReachabilityFireability-05
FORMULA_NAME CSRepetitions-PT-02-ReachabilityFireability-06
FORMULA_NAME CSRepetitions-PT-02-ReachabilityFireability-07
FORMULA_NAME CSRepetitions-PT-02-ReachabilityFireability-08
FORMULA_NAME CSRepetitions-PT-02-ReachabilityFireability-09
FORMULA_NAME CSRepetitions-PT-02-ReachabilityFireability-10
FORMULA_NAME CSRepetitions-PT-02-ReachabilityFireability-11
FORMULA_NAME CSRepetitions-PT-02-ReachabilityFireability-12
FORMULA_NAME CSRepetitions-PT-02-ReachabilityFireability-13
FORMULA_NAME CSRepetitions-PT-02-ReachabilityFireability-14
FORMULA_NAME CSRepetitions-PT-02-ReachabilityFireability-15

=== Now, execution of the tool begins

BK_START 1678243474958

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=ReachabilityFireability
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=CSRepetitions-PT-02
Not applying reductions.
Model is PT
ReachabilityFireability PT
starting LoLA
BK_INPUT CSRepetitions-PT-02
BK_EXAMINATION: ReachabilityFireability
bin directory: /home/mcc/BenchKit/bin//../lola/bin/
current directory: /home/mcc/execution
ReachabilityFireability

FORMULA CSRepetitions-PT-02-ReachabilityFireability-09 FALSE TECHNIQUES COLLATERAL_PROCESSING EXPLICIT TOPOLOGICAL STATE_COMPRESSION STUBBORN_SETS USE_NUPN UNFOLDING_TO_PT

FORMULA CSRepetitions-PT-02-ReachabilityFireability-00 FALSE TECHNIQUES COLLATERAL_PROCESSING EXPLICIT TOPOLOGICAL STATE_COMPRESSION STUBBORN_SETS USE_NUPN UNFOLDING_TO_PT

FORMULA CSRepetitions-PT-02-ReachabilityFireability-13 TRUE TECHNIQUES COLLATERAL_PROCESSING EXPLICIT TOPOLOGICAL STATE_COMPRESSION STUBBORN_SETS USE_NUPN UNFOLDING_TO_PT

FORMULA CSRepetitions-PT-02-ReachabilityFireability-14 FALSE TECHNIQUES COLLATERAL_PROCESSING EXPLICIT TOPOLOGICAL STATE_COMPRESSION STUBBORN_SETS USE_NUPN UNFOLDING_TO_PT

FORMULA CSRepetitions-PT-02-ReachabilityFireability-10 FALSE TECHNIQUES COLLATERAL_PROCESSING EXPLICIT TOPOLOGICAL STATE_COMPRESSION STUBBORN_SETS USE_NUPN UNFOLDING_TO_PT

FORMULA CSRepetitions-PT-02-ReachabilityFireability-01 TRUE TECHNIQUES COLLATERAL_PROCESSING EXPLICIT TOPOLOGICAL STATE_COMPRESSION STUBBORN_SETS USE_NUPN UNFOLDING_TO_PT

FORMULA CSRepetitions-PT-02-ReachabilityFireability-07 FALSE TECHNIQUES COLLATERAL_PROCESSING EXPLICIT TOPOLOGICAL STATE_COMPRESSION STUBBORN_SETS USE_NUPN UNFOLDING_TO_PT

FORMULA CSRepetitions-PT-02-ReachabilityFireability-12 TRUE TECHNIQUES COLLATERAL_PROCESSING EXPLICIT TOPOLOGICAL STATE_COMPRESSION STUBBORN_SETS USE_NUPN UNFOLDING_TO_PT

BK_STOP 1678243475493

--------------------
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/ReachabilityFireability.xml
lola: rewrite Frontend/Parser/formula_rewrite.k:96
lola: rewrite Frontend/Parser/formula_rewrite.k:156
lola: rewrite Frontend/Parser/formula_rewrite.k:147
lola: Created skeleton in 0.000000 secs.
lola: Created skeleton in 0.000000 secs.
lola: Created skeleton in 0.000000 secs.
lola: Created skeleton in 0.000000 secs.
lola: Rule S: 0 transitions removed,0 places removed
lola: rewrite Frontend/Parser/formula_rewrite.k:711
lola: rewrite Frontend/Parser/formula_rewrite.k:711
lola: rewrite Frontend/Parser/formula_rewrite.k:711
lola: rewrite Frontend/Parser/formula_rewrite.k:711
lola: LAUNCH task # 52 (type EXCL) for 0 CSRepetitions-PT-02-ReachabilityFireability-00
lola: time limit : 128 sec
lola: memory limit: 32 pages
lola: LAUNCH task # 48 (type FNDP) for 0 CSRepetitions-PT-02-ReachabilityFireability-00
lola: time limit : 32000000 sec
lola: memory limit: 5 pages
lola: LAUNCH task # 49 (type EQUN) for 0 CSRepetitions-PT-02-ReachabilityFireability-00
lola: time limit : 32000000 sec
lola: memory limit: 5 pages
lola: LAUNCH task # 51 (type SRCH) for 0 CSRepetitions-PT-02-ReachabilityFireability-00
lola: time limit : 32000000 sec
lola: memory limit: 5 pages
lola: Created skeleton in 0.000000 secs.
lola: rewrite Frontend/Parser/formula_rewrite.k:711
lola: Created skeleton in 0.000000 secs.
lola: Created skeleton in 0.000000 secs.
lola: Created skeleton in 0.000000 secs.
lola: rewrite Frontend/Parser/formula_rewrite.k:711
lola: rewrite Frontend/Parser/formula_rewrite.k:711
lola: rewrite Frontend/Parser/formula_rewrite.k:711
lola: rewrite Frontend/Parser/formula_rewrite.k:711
lola: rewrite Frontend/Parser/formula_rewrite.k:721
lola: rewrite Frontend/Parser/formula_rewrite.k:787
lola: rewrite Frontend/Parser/formula_rewrite.k:721
lola: rewrite Frontend/Parser/formula_rewrite.k:787
lola: rewrite Frontend/Parser/formula_rewrite.k:721
lola: rewrite Frontend/Parser/formula_rewrite.k:787
lola: rewrite Frontend/Parser/formula_rewrite.k:721
lola: rewrite Frontend/Parser/formula_rewrite.k:787
lola: LAUNCH INITIAL
lola: LAUNCH task # 28 (type CNST) for 27 CSRepetitions-PT-02-ReachabilityFireability-09
lola: time limit : 0 sec
lola: memory limit: 0 pages
lola: rewrite Frontend/Parser/formula_rewrite.k:721
lola: rewrite Frontend/Parser/formula_rewrite.k:787
lola: rewrite Frontend/Parser/formula_rewrite.k:721
lola: rewrite Frontend/Parser/formula_rewrite.k:787
lola: rewrite Frontend/Parser/formula_rewrite.k:721
lola: rewrite Frontend/Parser/formula_rewrite.k:787
lola: rewrite Frontend/Parser/formula_rewrite.k:721
lola: rewrite Frontend/Parser/formula_rewrite.k:787
lola: rewrite Frontend/Parser/formula_rewrite.k:721
lola: rewrite Frontend/Parser/formula_rewrite.k:787
lola: rewrite Frontend/Parser/formula_rewrite.k:721
lola: rewrite Frontend/Parser/formula_rewrite.k:787
lola: rewrite Frontend/Parser/formula_rewrite.k:721
lola: rewrite Frontend/Parser/formula_rewrite.k:787
lola: rewrite Frontend/Parser/formula_rewrite.k:721
lola: rewrite Frontend/Parser/formula_rewrite.k:787
lola: rewrite Frontend/Parser/formula_rewrite.k:711
lola: rewrite Frontend/Parser/formula_rewrite.k:711
lola: rewrite Frontend/Parser/formula_rewrite.k:711
lola: rewrite Frontend/Parser/formula_rewrite.k:711
lola: rewrite Frontend/Parser/formula_rewrite.k:721
lola: rewrite Frontend/Parser/formula_rewrite.k:787
lola: rewrite Frontend/Parser/formula_rewrite.k:721
lola: rewrite Frontend/Parser/formula_rewrite.k:787
lola: rewrite Frontend/Parser/formula_rewrite.k:721
lola: rewrite Frontend/Parser/formula_rewrite.k:787
lola: rewrite Frontend/Parser/formula_rewrite.k:721
lola: rewrite Frontend/Parser/formula_rewrite.k:787
lola: rewrite Frontend/Parser/formula_rewrite.k:711
lola: rewrite Frontend/Parser/formula_rewrite.k:711
lola: rewrite Frontend/Parser/formula_rewrite.k:711
lola: rewrite Frontend/Parser/formula_rewrite.k:711
lola: rewrite Frontend/Parser/formula_rewrite.k:721
lola: rewrite Frontend/Parser/formula_rewrite.k:787
lola: rewrite Frontend/Parser/formula_rewrite.k:721
lola: rewrite Frontend/Parser/formula_rewrite.k:787
lola: rewrite Frontend/Parser/formula_rewrite.k:721
lola: rewrite Frontend/Parser/formula_rewrite.k:787
lola: rewrite Frontend/Parser/formula_rewrite.k:721
lola: rewrite Frontend/Parser/formula_rewrite.k:787
lola: rewrite Frontend/Parser/formula_rewrite.k:711
lola: rewrite Frontend/Parser/formula_rewrite.k:711
lola: rewrite Frontend/Parser/formula_rewrite.k:711
lola: rewrite Frontend/Parser/formula_rewrite.k:711
lola: Created skeleton in 0.000000 secs.
lola: FINISHED task # 28 (type CNST) for CSRepetitions-PT-02-ReachabilityFireability-09
lola: result : false
lola: Created skeleton in 0.000000 secs.
lola: FINISHED task # 51 (type SRCH) for CSRepetitions-PT-02-ReachabilityFireability-00
lola: result : false
lola: markings : 6993
lola: fired transitions : 28721
lola: time used : 0.000000
lola: memory pages used : 1
lola: CANCELED task # 48 (type FNDP) for CSRepetitions-PT-02-ReachabilityFireability-00 (obsolete)
lola: CANCELED task # 49 (type EQUN) for CSRepetitions-PT-02-ReachabilityFireability-00 (obsolete)
lola: CANCELED task # 52 (type EXCL) for CSRepetitions-PT-02-ReachabilityFireability-00 (obsolete)
lola: LAUNCH task # 111 (type EXCL) for 39 CSRepetitions-PT-02-ReachabilityFireability-13
lola: time limit : 189 sec
lola: memory limit: 32 pages
lola: LAUNCH task # 61 (type FNDP) for 3 CSRepetitions-PT-02-ReachabilityFireability-01
lola: time limit : 32000000 sec
lola: memory limit: 5 pages
lola: LAUNCH task # 62 (type EQUN) for 3 CSRepetitions-PT-02-ReachabilityFireability-01
lola: time limit : 32000000 sec
lola: memory limit: 5 pages
lola: rewrite Frontend/Parser/formula_rewrite.k:721
lola: rewrite Frontend/Parser/formula_rewrite.k:787
lola: LAUNCH task # 64 (type SRCH) for 3 CSRepetitions-PT-02-ReachabilityFireability-01
lola: time limit : 32000000 sec
lola: memory limit: 5 pages
lola: FINISHED task # 48 (type FNDP) for CSRepetitions-PT-02-ReachabilityFireability-00
lola: result : unknown
lola: fired transitions : 19783
lola: tried executions : 1312
lola: time used : 0.000000
lola: memory pages used : 0
lola: FINISHED task # 111 (type EXCL) for CSRepetitions-PT-02-ReachabilityFireability-13
lola: result : true
lola: markings : 2
lola: fired transitions : 1
lola: time used : 0.000000
lola: memory pages used : 1
lola: LAUNCH task # 105 (type EXCL) for 42 CSRepetitions-PT-02-ReachabilityFireability-14
lola: time limit : 211 sec
lola: memory limit: 32 pages
lola: Created skeleton in 0.000000 secs.
lola: Created skeleton in 0.000000 secs.
lola: FINISHED task # 105 (type EXCL) for CSRepetitions-PT-02-ReachabilityFireability-14
lola: result : true
lola: markings : 15
lola: fired transitions : 28
lola: time used : 0.000000
lola: memory pages used : 1
lola: LAUNCH task # 92 (type EXCL) for 30 CSRepetitions-PT-02-ReachabilityFireability-10
lola: time limit : 257 sec
lola: memory limit: 32 pages
lola: FINISHED task # 92 (type EXCL) for CSRepetitions-PT-02-ReachabilityFireability-10
lola: result : true
lola: markings : 1
lola: time used : 0.000000
lola: memory pages used : 1
lola: Created skeleton in 0.000000 secs.
lola: LAUNCH task # 72 (type EXCL) for 21 CSRepetitions-PT-02-ReachabilityFireability-07
lola: time limit : 327 sec
lola: memory limit: 32 pages
lola: rewrite Frontend/Parser/formula_rewrite.k:721
lola: rewrite Frontend/Parser/formula_rewrite.k:787
lola: FINISHED task # 64 (type SRCH) for CSRepetitions-PT-02-ReachabilityFireability-01
lola: result : false
lola: markings : 3414
lola: fired transitions : 8667
lola: time used : 0.000000
lola: memory pages used : 1
lola: rewrite Frontend/Parser/formula_rewrite.k:711
lola: rewrite Frontend/Parser/formula_rewrite.k:721
lola: rewrite Frontend/Parser/formula_rewrite.k:787
lola: CANCELED task # 61 (type FNDP) for CSRepetitions-PT-02-ReachabilityFireability-01 (obsolete)
lola: CANCELED task # 62 (type EQUN) for CSRepetitions-PT-02-ReachabilityFireability-01 (obsolete)
lola: LAUNCH task # 75 (type FNDP) for 6 CSRepetitions-PT-02-ReachabilityFireability-02
lola: time limit : 32000000 sec
lola: memory limit: 5 pages
lola: LAUNCH task # 76 (type EQUN) for 6 CSRepetitions-PT-02-ReachabilityFireability-02
lola: time limit : 32000000 sec
lola: memory limit: 5 pages
lola: rewrite Frontend/Parser/formula_rewrite.k:721
lola: LAUNCH task # 78 (type SRCH) for 6 CSRepetitions-PT-02-ReachabilityFireability-02
lola: time limit : 32000000 sec
lola: memory limit: 5 pages
lola: rewrite Frontend/Parser/formula_rewrite.k:787
lola: FINISHED task # 61 (type FNDP) for CSRepetitions-PT-02-ReachabilityFireability-01
lola: result : unknown
lola: fired transitions : 2824
lola: tried executions : 81
lola: time used : 0.000000
lola: memory pages used : 0
lola: FINISHED task # 72 (type EXCL) for CSRepetitions-PT-02-ReachabilityFireability-07
lola: result : true
lola: markings : 1
lola: time used : 0.000000
lola: memory pages used : 1
lola: LAUNCH task # 98 (type EXCL) for 36 CSRepetitions-PT-02-ReachabilityFireability-12
lola: time limit : 360 sec
lola: memory limit: 32 pages
lola: rewrite Frontend/Parser/formula_rewrite.k:721
lola: rewrite Frontend/Parser/formula_rewrite.k:787
lola: rewrite Frontend/Parser/formula_rewrite.k:721
lola: rewrite Frontend/Parser/formula_rewrite.k:787
lola: rewrite Frontend/Parser/formula_rewrite.k:721
lola: rewrite Frontend/Parser/formula_rewrite.k:787
lola: Created skeleton in 0.000000 secs.
lola: rewrite Frontend/Parser/formula_rewrite.k:721
lola: rewrite Frontend/Parser/formula_rewrite.k:787
lola: rewrite Frontend/Parser/formula_rewrite.k:721
lola: rewrite Frontend/Parser/formula_rewrite.k:787
lola: rewrite Frontend/Parser/formula_rewrite.k:721
lola: rewrite Frontend/Parser/formula_rewrite.k:787
lola: FINISHED task # 98 (type EXCL) for CSRepetitions-PT-02-ReachabilityFireability-12
lola: result : true
lola: markings : 1
lola: time used : 0.000000
lola: memory pages used : 1
lola: rewrite Frontend/Parser/formula_rewrite.k:711
lola: rewrite Frontend/Parser/formula_rewrite.k:711
lola: LAUNCH task # 125 (type EXCL) for 33 CSRepetitions-PT-02-ReachabilityFireability-11
lola: time limit : 400 sec
lola: memory limit: 32 pages
lola: rewrite Frontend/Parser/formula_rewrite.k:721
lola: rewrite Frontend/Parser/formula_rewrite.k:787
lola: rewrite Frontend/Parser/formula_rewrite.k:711
/home/mcc/BenchKit/bin//../lola/bin//../BenchKit_head.sh: line 63: 371 Bus error lola --conf=$BIN_DIR/configfiles/reachabilityfireabilityconf --formula=$DIR/ReachabilityFireability.xml --verdictfile=$DIR/GenericPropertiesVerdict.xml $DIR/model.pnml

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="CSRepetitions-PT-02"
export BK_EXAMINATION="ReachabilityFireability"
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 CSRepetitions-PT-02, 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 r070-smll-167814396700055"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/CSRepetitions-PT-02.tgz
mv CSRepetitions-PT-02 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 ;