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.r488-tall-167912704400030.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 ltsmin
Input is Sudoku-COL-AN04, examination is ReachabilityCardinality
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r488-tall-167912704400030
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 488K
-rw-r--r-- 1 mcc users 8.2K Feb 26 09:16 CTLCardinality.txt
-rw-r--r-- 1 mcc users 92K Feb 26 09:16 CTLCardinality.xml
-rw-r--r-- 1 mcc users 4.3K Feb 26 09:14 CTLFireability.txt
-rw-r--r-- 1 mcc users 32K Feb 26 09:14 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K Jan 29 11:41 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 6.6K Jan 29 11:41 GenericPropertiesVerdict.xml
-rw-r--r-- 1 mcc users 3.7K Feb 25 17:16 LTLCardinality.txt
-rw-r--r-- 1 mcc users 26K Feb 25 17:16 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.3K Feb 25 17:16 LTLFireability.txt
-rw-r--r-- 1 mcc users 17K Feb 25 17:16 LTLFireability.xml
-rw-r--r-- 1 mcc users 14K Feb 26 09:21 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 144K Feb 26 09:21 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 8.7K Feb 26 09:17 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 72K Feb 26 09:17 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.6K Feb 25 17:16 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.6K Feb 25 17:16 UpperBounds.xml
-rw-r--r-- 1 mcc users 5 Mar 5 18:23 equiv_pt
-rw-r--r-- 1 mcc users 5 Mar 5 18:23 instance
-rw-r--r-- 1 mcc users 5 Mar 5 18:23 iscolored
-rw-r--r-- 1 mcc users 6.5K 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 Sudoku-COL-AN04-ReachabilityCardinality-00
FORMULA_NAME Sudoku-COL-AN04-ReachabilityCardinality-01
FORMULA_NAME Sudoku-COL-AN04-ReachabilityCardinality-02
FORMULA_NAME Sudoku-COL-AN04-ReachabilityCardinality-03
FORMULA_NAME Sudoku-COL-AN04-ReachabilityCardinality-04
FORMULA_NAME Sudoku-COL-AN04-ReachabilityCardinality-05
FORMULA_NAME Sudoku-COL-AN04-ReachabilityCardinality-06
FORMULA_NAME Sudoku-COL-AN04-ReachabilityCardinality-07
FORMULA_NAME Sudoku-COL-AN04-ReachabilityCardinality-08
FORMULA_NAME Sudoku-COL-AN04-ReachabilityCardinality-09
FORMULA_NAME Sudoku-COL-AN04-ReachabilityCardinality-10
FORMULA_NAME Sudoku-COL-AN04-ReachabilityCardinality-11
FORMULA_NAME Sudoku-COL-AN04-ReachabilityCardinality-12
FORMULA_NAME Sudoku-COL-AN04-ReachabilityCardinality-13
FORMULA_NAME Sudoku-COL-AN04-ReachabilityCardinality-14
FORMULA_NAME Sudoku-COL-AN04-ReachabilityCardinality-15

=== Now, execution of the tool begins

BK_START 1679159735557

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=ltsmin
BK_EXAMINATION=ReachabilityCardinality
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=Sudoku-COL-AN04
Not applying reductions.
Model is COL
ReachabilityCardinality PT
[2023-03-18 17:15:37] [INFO ] Running its-tools with arguments : [-pnfolder, ., -examination, ReachabilityCardinality, --reduce-single, STATESPACE]
[2023-03-18 17:15:37] [INFO ] Parsing pnml file : /home/mcc/execution/./model.pnml
[2023-03-18 17:15:37] [INFO ] Detected file is not PT type :http://www.pnml.org/version-2009/grammar/symmetricnet
log4j:WARN No appenders could be found for logger (org.apache.axiom.locator.DefaultOMMetaFactoryLocator).
log4j:WARN Please initialize the log4j system properly.
log4j:WARN See http://logging.apache.org/log4j/1.2/faq.html#noconfig for more info.
[2023-03-18 17:15:37] [WARNING] Using fallBack plugin, rng conformance not checked
[2023-03-18 17:15:37] [INFO ] Load time of PNML (colored model parsed with PNMLFW) : 387 ms
[2023-03-18 17:15:37] [INFO ] Imported 4 HL places and 1 HL transitions for a total of 112 PT places and 64.0 transition bindings in 10 ms.
Parsed 16 properties from file ./ReachabilityCardinality.xml in 36 ms.
[2023-03-18 17:15:37] [INFO ] Unfolded HLPN to a Petri net with 112 places and 64 transitions 256 arcs in 10 ms.
[2023-03-18 17:15:37] [INFO ] Unfolded 16 HLPN properties in 2 ms.
[2023-03-18 17:15:37] [INFO ] Export to MCC of 16 properties in file ./ReachabilityCardinality.STATESPACE.xml took 11 ms.
[2023-03-18 17:15:37] [INFO ] Export to PNML in file ./model.STATESPACE.pnml of net with 112 places, 64 transitions and 256 arcs took 1 ms.
Total runtime 580 ms.
pnml2lts-sym model.pnml --lace-workers=4 --vset=lddmc --saturation=sat -rbs,w2W,ru,hf --sylvan-sizes=20,28,20,28 --invariant=/tmp/432/inv_0_ --invariant=/tmp/432/inv_1_ --invariant=/tmp/432/inv_2_ --invariant=/tmp/432/inv_3_ --invariant=/tmp/432/inv_4_ --invariant=/tmp/432/inv_5_ --invariant=/tmp/432/inv_6_ --invariant=/tmp/432/inv_7_ --invariant=/tmp/432/inv_8_ --invariant=/tmp/432/inv_9_ --invariant=/tmp/432/inv_10_ --invariant=/tmp/432/inv_11_ --invariant=/tmp/432/inv_12_ --invariant=/tmp/432/inv_13_ --invariant=/tmp/432/inv_14_ --invariant=/tmp/432/inv_15_ --inv-par
TIME LIMIT: Killed by timeout after 3570 seconds
MemTotal: 16393216 kB
MemFree: 183368 kB
After kill :
MemTotal: 16393216 kB
MemFree: 16114208 kB
Could not compute solution for formula : Sudoku-COL-AN04-ReachabilityCardinality-00
Could not compute solution for formula : Sudoku-COL-AN04-ReachabilityCardinality-01
Could not compute solution for formula : Sudoku-COL-AN04-ReachabilityCardinality-02
Could not compute solution for formula : Sudoku-COL-AN04-ReachabilityCardinality-03
Could not compute solution for formula : Sudoku-COL-AN04-ReachabilityCardinality-04
FORMULA Sudoku-COL-AN04-ReachabilityCardinality-05 TRUE TECHNIQUES DECISION_DIAGRAMS PARALLEL_PROCESSING USE_NUPN
Could not compute solution for formula : Sudoku-COL-AN04-ReachabilityCardinality-06
Could not compute solution for formula : Sudoku-COL-AN04-ReachabilityCardinality-07
Could not compute solution for formula : Sudoku-COL-AN04-ReachabilityCardinality-08
Could not compute solution for formula : Sudoku-COL-AN04-ReachabilityCardinality-09
Could not compute solution for formula : Sudoku-COL-AN04-ReachabilityCardinality-10
Could not compute solution for formula : Sudoku-COL-AN04-ReachabilityCardinality-11
Could not compute solution for formula : Sudoku-COL-AN04-ReachabilityCardinality-12
Could not compute solution for formula : Sudoku-COL-AN04-ReachabilityCardinality-13
Could not compute solution for formula : Sudoku-COL-AN04-ReachabilityCardinality-14
Could not compute solution for formula : Sudoku-COL-AN04-ReachabilityCardinality-15

BK_STOP 1679163310327

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

mcc2023
rfs formula name Sudoku-COL-AN04-ReachabilityCardinality-00
rfs formula type AG
rfs formula formula --invariant=/tmp/432/inv_0_
rfs formula name Sudoku-COL-AN04-ReachabilityCardinality-01
rfs formula type EF
rfs formula formula --invariant=/tmp/432/inv_1_
rfs formula name Sudoku-COL-AN04-ReachabilityCardinality-02
rfs formula type EF
rfs formula formula --invariant=/tmp/432/inv_2_
rfs formula name Sudoku-COL-AN04-ReachabilityCardinality-03
rfs formula type EF
rfs formula formula --invariant=/tmp/432/inv_3_
rfs formula name Sudoku-COL-AN04-ReachabilityCardinality-04
rfs formula type AG
rfs formula formula --invariant=/tmp/432/inv_4_
rfs formula name Sudoku-COL-AN04-ReachabilityCardinality-05
rfs formula type EF
rfs formula formula --invariant=/tmp/432/inv_5_
rfs formula name Sudoku-COL-AN04-ReachabilityCardinality-06
rfs formula type AG
rfs formula formula --invariant=/tmp/432/inv_6_
rfs formula name Sudoku-COL-AN04-ReachabilityCardinality-07
rfs formula type EF
rfs formula formula --invariant=/tmp/432/inv_7_
rfs formula name Sudoku-COL-AN04-ReachabilityCardinality-08
rfs formula type AG
rfs formula formula --invariant=/tmp/432/inv_8_
rfs formula name Sudoku-COL-AN04-ReachabilityCardinality-09
rfs formula type EF
rfs formula formula --invariant=/tmp/432/inv_9_
rfs formula name Sudoku-COL-AN04-ReachabilityCardinality-10
rfs formula type EF
rfs formula formula --invariant=/tmp/432/inv_10_
rfs formula name Sudoku-COL-AN04-ReachabilityCardinality-11
rfs formula type EF
rfs formula formula --invariant=/tmp/432/inv_11_
rfs formula name Sudoku-COL-AN04-ReachabilityCardinality-12
rfs formula type EF
rfs formula formula --invariant=/tmp/432/inv_12_
rfs formula name Sudoku-COL-AN04-ReachabilityCardinality-13
rfs formula type EF
rfs formula formula --invariant=/tmp/432/inv_13_
rfs formula name Sudoku-COL-AN04-ReachabilityCardinality-14
rfs formula type EF
rfs formula formula --invariant=/tmp/432/inv_14_
rfs formula name Sudoku-COL-AN04-ReachabilityCardinality-15
rfs formula type EF
rfs formula formula --invariant=/tmp/432/inv_15_
pnml2lts-sym: Exploration order is bfs-prev
pnml2lts-sym: Saturation strategy is sat
pnml2lts-sym: Guided search strategy is unguided
pnml2lts-sym: Attractor strategy is default
pnml2lts-sym: opening model.pnml
pnml2lts-sym: Edge label is id
Warning: program compiled against libxml 210 using older 209
pnml2lts-sym: Petri net has 112 places, 64 transitions and 256 arcs
pnml2lts-sym: Petri net Sudoku_COL_AN04_unf analyzed
pnml2lts-sym: There are no safe places
pnml2lts-sym: Loading Petri net took 0.000 real 0.000 user 0.000 sys
pnml2lts-sym: Initializing regrouping layer
pnml2lts-sym: Regroup specification: bs,w2W,ru,hf
pnml2lts-sym: Regroup Boost's Sloan
pnml2lts-sym: Regroup over-approximate must-write to may-write
pnml2lts-sym: Regroup Row sUbsume
pnml2lts-sym: Reqroup Horizontal Flip
pnml2lts-sym: Regrouping: 64->64 groups
pnml2lts-sym: Regrouping took 0.010 real 0.010 user 0.000 sys
pnml2lts-sym: state vector length is 112; there are 64 groups
pnml2lts-sym: Creating a multi-core ListDD domain.
pnml2lts-sym: Sylvan allocates 15.000 GB virtual memory for nodes table and operation cache.
pnml2lts-sym: Initial nodes table and operation cache requires 60.00 MB.
pnml2lts-sym: Using GBgetTransitionsShortR2W as next-state function
pnml2lts-sym: got initial state
pnml2lts-sym:
pnml2lts-sym: Invariant violation (/tmp/432/inv_5_) found at depth 0!
pnml2lts-sym:
pnml2lts-sym: vset_sylvan: starting garbage collection
pnml2lts-sym: vset_sylvan: garbage collection done
pnml2lts-sym: vset_sylvan: starting garbage collection
pnml2lts-sym: vset_sylvan: garbage collection done
pnml2lts-sym: vset_sylvan: starting garbage collection
pnml2lts-sym: vset_sylvan: garbage collection done
pnml2lts-sym: vset_sylvan: starting garbage collection
pnml2lts-sym: vset_sylvan: garbage collection done
pnml2lts-sym: vset_sylvan: starting garbage collection
pnml2lts-sym: vset_sylvan: garbage collection done
pnml2lts-sym: vset_sylvan: starting garbage collection
pnml2lts-sym: vset_sylvan: garbage collection done
pnml2lts-sym: vset_sylvan: starting garbage collection
pnml2lts-sym: vset_sylvan: garbage collection done
pnml2lts-sym: vset_sylvan: starting garbage collection
pnml2lts-sym: vset_sylvan: garbage collection done
pnml2lts-sym: vset_sylvan: starting garbage collection
pnml2lts-sym: vset_sylvan: garbage collection done
pnml2lts-sym: vset_sylvan: starting garbage collection
pnml2lts-sym: vset_sylvan: garbage collection done
pnml2lts-sym: vset_sylvan: starting garbage collection
pnml2lts-sym: vset_sylvan: garbage collection done
pnml2lts-sym: vset_sylvan: starting garbage collection
pnml2lts-sym: vset_sylvan: garbage collection done
pnml2lts-sym: vset_sylvan: starting garbage collection
pnml2lts-sym: vset_sylvan: garbage collection done
pnml2lts-sym: vset_sylvan: starting garbage collection
pnml2lts-sym: vset_sylvan: garbage collection done
pnml2lts-sym: vset_sylvan: starting garbage collection
pnml2lts-sym: vset_sylvan: garbage collection done
pnml2lts-sym: vset_sylvan: starting garbage collection
pnml2lts-sym: vset_sylvan: garbage collection done
pnml2lts-sym: vset_sylvan: starting garbage collection
pnml2lts-sym: vset_sylvan: garbage collection done
pnml2lts-sym: vset_sylvan: starting garbage collection
pnml2lts-sym: vset_sylvan: garbage collection done
pnml2lts-sym: vset_sylvan: starting garbage collection
pnml2lts-sym: vset_sylvan: garbage collection done
pnml2lts-sym: vset_sylvan: starting garbage collection
pnml2lts-sym: vset_sylvan: garbage collection done
pnml2lts-sym: vset_sylvan: starting garbage collection
pnml2lts-sym: vset_sylvan: garbage collection done
pnml2lts-sym: vset_sylvan: starting garbage collection
pnml2lts-sym: vset_sylvan: garbage collection done
pnml2lts-sym: vset_sylvan: starting garbage collection
pnml2lts-sym: vset_sylvan: garbage collection done
pnml2lts-sym: vset_sylvan: starting garbage collection
pnml2lts-sym: vset_sylvan: garbage collection done
pnml2lts-sym: vset_sylvan: starting garbage collection
pnml2lts-sym: vset_sylvan: garbage collection done
pnml2lts-sym: vset_sylvan: starting garbage collection
pnml2lts-sym: vset_sylvan: garbage collection done
pnml2lts-sym: vset_sylvan: starting garbage collection
pnml2lts-sym: vset_sylvan: garbage collection done
pnml2lts-sym: vset_sylvan: starting garbage collection
pnml2lts-sym: vset_sylvan: garbage collection done
pnml2lts-sym: vset_sylvan: starting garbage collection
pnml2lts-sym: vset_sylvan: garbage collection done
pnml2lts-sym: vset_sylvan: starting garbage collection
pnml2lts-sym: vset_sylvan: garbage collection done
pnml2lts-sym: vset_sylvan: starting garbage collection
pnml2lts-sym: vset_sylvan: garbage collection done
pnml2lts-sym: vset_sylvan: starting garbage collection
pnml2lts-sym: vset_sylvan: garbage collection done
pnml2lts-sym: vset_sylvan: starting garbage collection
pnml2lts-sym: vset_sylvan: garbage collection done
pnml2lts-sym: vset_sylvan: starting garbage collection
pnml2lts-sym: vset_sylvan: garbage collection done
pnml2lts-sym: vset_sylvan: starting garbage collection
pnml2lts-sym: vset_sylvan: garbage collection done
pnml2lts-sym: vset_sylvan: starting garbage collection
pnml2lts-sym: vset_sylvan: garbage collection done
pnml2lts-sym: vset_sylvan: starting garbage collection
pnml2lts-sym: vset_sylvan: garbage collection done
pnml2lts-sym: vset_sylvan: starting garbage collection
pnml2lts-sym: vset_sylvan: garbage collection done
pnml2lts-sym: vset_sylvan: starting garbage collection
pnml2lts-sym: vset_sylvan: garbage collection done
pnml2lts-sym: vset_sylvan: starting garbage collection
pnml2lts-sym: vset_sylvan: garbage collection done
pnml2lts-sym: vset_sylvan: starting garbage collection
pnml2lts-sym: vset_sylvan: garbage collection done
pnml2lts-sym: vset_sylvan: starting garbage collection
pnml2lts-sym: vset_sylvan: garbage collection done
pnml2lts-sym: vset_sylvan: starting garbage collection
pnml2lts-sym: vset_sylvan: garbage collection done
pnml2lts-sym: vset_sylvan: starting garbage collection
pnml2lts-sym: vset_sylvan: garbage collection done
pnml2lts-sym: vset_sylvan: starting garbage collection
pnml2lts-sym: vset_sylvan: garbage collection done
pnml2lts-sym: vset_sylvan: starting garbage collection
pnml2lts-sym: vset_sylvan: garbage collection done
pnml2lts-sym: vset_sylvan: starting garbage collection
pnml2lts-sym: vset_sylvan: garbage collection done
pnml2lts-sym: vset_sylvan: starting garbage collection
pnml2lts-sym: vset_sylvan: garbage collection done
pnml2lts-sym: vset_sylvan: starting garbage collection
pnml2lts-sym: vset_sylvan: garbage collection done
pnml2lts-sym: vset_sylvan: starting garbage collection
pnml2lts-sym: vset_sylvan: garbage collection done
pnml2lts-sym: vset_sylvan: starting garbage collection
pnml2lts-sym: vset_sylvan: garbage collection done
pnml2lts-sym: vset_sylvan: starting garbage collection
pnml2lts-sym: vset_sylvan: garbage collection done
pnml2lts-sym: vset_sylvan: starting garbage collection
pnml2lts-sym: vset_sylvan: garbage collection done
pnml2lts-sym: vset_sylvan: starting garbage collection
pnml2lts-sym: vset_sylvan: garbage collection done
pnml2lts-sym: vset_sylvan: starting garbage collection
pnml2lts-sym: vset_sylvan: garbage collection done
pnml2lts-sym: vset_sylvan: starting garbage collection
pnml2lts-sym: vset_sylvan: garbage collection done
pnml2lts-sym: vset_sylvan: starting garbage collection
pnml2lts-sym: vset_sylvan: garbage collection done
pnml2lts-sym: vset_sylvan: starting garbage collection
pnml2lts-sym: vset_sylvan: garbage collection done
pnml2lts-sym: vset_sylvan: starting garbage collection
pnml2lts-sym: vset_sylvan: garbage collection done
Killing (15) : 438
Killing (9) : 438

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="Sudoku-COL-AN04"
export BK_EXAMINATION="ReachabilityCardinality"
export BK_TOOL="ltsmin"
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 ltsmin"
echo " Input is Sudoku-COL-AN04, 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 r488-tall-167912704400030"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/Sudoku-COL-AN04.tgz
mv Sudoku-COL-AN04 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 ;