Execution Chart

Sorry, for this execution, no execution chart could be reported.

Trace from the execution

Formatting '/data/fkordon/mcc2025-input.r072-tall-174860067400391.qcow2', fmt=qcow2 size=4294967296 backing_file=/data/fkordon/mcc2025-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 2-5832
Executing tool itstools
Input is DNAwalker-PT-03track12BlockBoth, examination is ReachabilityFireability
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r072-tall-174860067400391
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 472K
-rw-r--r-- 1 mcc users 5.7K May 29 14:47 CTLCardinality.txt
-rw-r--r-- 1 mcc users 57K May 29 14:47 CTLCardinality.xml
-rw-r--r-- 1 mcc users 5.3K May 29 14:47 CTLFireability.txt
-rw-r--r-- 1 mcc users 45K May 29 14:47 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K May 29 14:32 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 6.0K May 29 14:32 GenericPropertiesVerdict.xml
-rw-r--r-- 1 mcc users 3.6K May 29 14:47 LTLCardinality.txt
-rw-r--r-- 1 mcc users 24K May 29 14:47 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.4K May 29 14:47 LTLFireability.txt
-rw-r--r-- 1 mcc users 17K May 29 14:47 LTLFireability.xml
-rw-r--r-- 1 mcc users 8.0K May 29 14:47 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 78K May 29 14:47 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 13K May 29 14:47 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 116K May 29 14:47 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.8K May 29 14:47 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.8K May 29 14:47 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 May 29 14:32 equiv_col
-rw-r--r-- 1 mcc users 19 May 29 14:32 instance
-rw-r--r-- 1 mcc users 6 May 29 14:32 iscolored
-rw-r--r-- 1 mcc users 37K May 29 14:32 model.pnml

--------------------
content from stdout:

=== Data for post analysis generated by BenchKit (invocation template)

The expected result is a vector of booleans
BOOL_VECTOR

echo here is the order used to build the result vector(from xml file)
FORMULA_NAME DNAwalker-PT-03track12BlockBoth-ReachabilityFireability-2025-00
FORMULA_NAME DNAwalker-PT-03track12BlockBoth-ReachabilityFireability-2025-01
FORMULA_NAME DNAwalker-PT-03track12BlockBoth-ReachabilityFireability-2025-02
FORMULA_NAME DNAwalker-PT-03track12BlockBoth-ReachabilityFireability-2025-03
FORMULA_NAME DNAwalker-PT-03track12BlockBoth-ReachabilityFireability-2025-04
FORMULA_NAME DNAwalker-PT-03track12BlockBoth-ReachabilityFireability-2025-05
FORMULA_NAME DNAwalker-PT-03track12BlockBoth-ReachabilityFireability-2025-06
FORMULA_NAME DNAwalker-PT-03track12BlockBoth-ReachabilityFireability-2025-07
FORMULA_NAME DNAwalker-PT-03track12BlockBoth-ReachabilityFireability-2025-08
FORMULA_NAME DNAwalker-PT-03track12BlockBoth-ReachabilityFireability-2025-09
FORMULA_NAME DNAwalker-PT-03track12BlockBoth-ReachabilityFireability-2025-10
FORMULA_NAME DNAwalker-PT-03track12BlockBoth-ReachabilityFireability-2025-11
FORMULA_NAME DNAwalker-PT-03track12BlockBoth-ReachabilityFireability-2025-12
FORMULA_NAME DNAwalker-PT-03track12BlockBoth-ReachabilityFireability-2025-13
FORMULA_NAME DNAwalker-PT-03track12BlockBoth-ReachabilityFireability-2025-14
FORMULA_NAME DNAwalker-PT-03track12BlockBoth-ReachabilityFireability-2025-15

=== Now, execution of the tool begins

BK_START 1748708463008

Invoking MCC driver with
BK_TOOL=itstools
BK_EXAMINATION=ReachabilityFireability
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=DNAwalker-PT-03track12BlockBoth
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
ReachabilityFireability PT
Running Version 202505121319
[2025-05-31 16:21:04] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, ReachabilityFireability, -its, -ltsmin, -greatspnpath, /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/, -order, META, -manyOrder, -smt, -timeout, 3600]
[2025-05-31 16:21:04] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2025-05-31 16:21:04] [INFO ] Load time of PNML (sax parser for PT used): 47 ms
[2025-05-31 16:21:04] [INFO ] Transformed 14 places.
[2025-05-31 16:21:04] [INFO ] Transformed 84 transitions.
[2025-05-31 16:21:04] [INFO ] Parsed PT model containing 14 places and 84 transitions and 244 arcs in 128 ms.
Parsed 16 properties from file /home/mcc/execution/ReachabilityFireability.xml in 17 ms.
Working with output stream class java.io.PrintStream
Initial state reduction rules removed 3 formulas.
FORMULA DNAwalker-PT-03track12BlockBoth-ReachabilityFireability-2025-06 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA DNAwalker-PT-03track12BlockBoth-ReachabilityFireability-2025-08 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA DNAwalker-PT-03track12BlockBoth-ReachabilityFireability-2025-11 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA DNAwalker-PT-03track12BlockBoth-ReachabilityFireability-2025-13 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
[2025-05-31 16:21:04] [INFO ] Flatten gal took : 56 ms
[2025-05-31 16:21:04] [INFO ] Flatten gal took : 23 ms
[2025-05-31 16:21:04] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality10596649741317505793.gal : 12 ms
[2025-05-31 16:21:04] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality18362143064031289670.prop : 10 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality10596649741317505793.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality18362143064031289670.prop' '--nowitness' '--gen-order' 'FOLLOW'

its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...330
Loading property file /tmp/ReachabilityCardinality18362143064031289670.prop.
Reachability property DNAwalker-PT-03track12BlockBoth-ReachabilityFireability-2025-10 is true.
FORMULA DNAwalker-PT-03track12BlockBoth-ReachabilityFireability-2025-10 TRUE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL COLLATERAL_PROCESSING
SDD proceeding with computation,11 properties remain. new max is 2
SDD size :1 after 9
Reachability property DNAwalker-PT-03track12BlockBoth-ReachabilityFireability-2025-15 is true.
FORMULA DNAwalker-PT-03track12BlockBoth-ReachabilityFireability-2025-15 TRUE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL COLLATERAL_PROCESSING
Reachability property DNAwalker-PT-03track12BlockBoth-ReachabilityFireability-2025-14 is true.
FORMULA DNAwalker-PT-03track12BlockBoth-ReachabilityFireability-2025-14 TRUE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL COLLATERAL_PROCESSING
SDD proceeding with computation,9 properties remain. new max is 2
SDD size :9 after 39
SDD proceeding with computation,9 properties remain. new max is 4
SDD size :39 after 106
SDD proceeding with computation,9 properties remain. new max is 8
SDD size :106 after 227
Reachability property DNAwalker-PT-03track12BlockBoth-ReachabilityFireability-2025-09 is true.
FORMULA DNAwalker-PT-03track12BlockBoth-ReachabilityFireability-2025-09 TRUE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL COLLATERAL_PROCESSING
SDD proceeding with computation,8 properties remain. new max is 8
SDD size :227 after 648
SDD proceeding with computation,8 properties remain. new max is 16
SDD size :648 after 1006
SDD proceeding with computation,8 properties remain. new max is 32
SDD size :1006 after 1232
RANDOM walk for 40000 steps (4459 resets) in 1463 ms. (27 steps per ms) remains 7/12 properties
FORMULA DNAwalker-PT-03track12BlockBoth-ReachabilityFireability-2025-12 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
Invariant property DNAwalker-PT-03track12BlockBoth-ReachabilityFireability-2025-12 does not hold.
SDD proceeding with computation,7 properties remain. new max is 32
SDD size :1232 after 4178
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,5248,0.063594,4628,2,159,18,3434,13,0,317,2338,0
Total reachable state count : 5248

Verifying 12 reachability properties.
Reachability property DNAwalker-PT-03track12BlockBoth-ReachabilityFireability-2025-00 does not hold.
FORMULA DNAwalker-PT-03track12BlockBoth-ReachabilityFireability-2025-00 FALSE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL COLLATERAL_PROCESSING
No reachable states exhibit your property : DNAwalker-PT-03track12BlockBoth-ReachabilityFireability-2025-00

Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
DNAwalker-PT-03track12BlockBoth-ReachabilityFireability-2025-00,0,0.067077,4756,1,0,18,3434,13,0,354,2338,0
Invariant property DNAwalker-PT-03track12BlockBoth-ReachabilityFireability-2025-01 is true.
FORMULA DNAwalker-PT-03track12BlockBoth-ReachabilityFireability-2025-01 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
DNAwalker-PT-03track12BlockBoth-ReachabilityFireability-2025-01,0,0.070229,4884,1,0,18,3434,13,0,374,2338,0
Invariant property DNAwalker-PT-03track12BlockBoth-ReachabilityFireability-2025-02 is true.
FORMULA DNAwalker-PT-03track12BlockBoth-ReachabilityFireability-2025-02 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
DNAwalker-PT-03track12BlockBoth-ReachabilityFireability-2025-02,0,0.071698,4884,1,0,18,3434,13,0,380,2338,0
Invariant property DNAwalker-PT-03track12BlockBoth-ReachabilityFireability-2025-03 is true.
FORMULA DNAwalker-PT-03track12BlockBoth-ReachabilityFireability-2025-03 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
DNAwalker-PT-03track12BlockBoth-ReachabilityFireability-2025-03,0,0.073048,4884,1,0,18,3434,13,0,389,2338,0
Reachability property DNAwalker-PT-03track12BlockBoth-ReachabilityFireability-2025-04 does not hold.
FORMULA DNAwalker-PT-03track12BlockBoth-ReachabilityFireability-2025-04 FALSE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL COLLATERAL_PROCESSING
No reachable states exhibit your property : DNAwalker-PT-03track12BlockBoth-ReachabilityFireability-2025-04

Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
DNAwalker-PT-03track12BlockBoth-ReachabilityFireability-2025-04,0,0.07721,4884,1,0,18,3434,13,0,411,2338,0
Reachability property DNAwalker-PT-03track12BlockBoth-ReachabilityFireability-2025-05 does not hold.
FORMULA DNAwalker-PT-03track12BlockBoth-ReachabilityFireability-2025-05 FALSE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL COLLATERAL_PROCESSING
No reachable states exhibit your property : DNAwalker-PT-03track12BlockBoth-ReachabilityFireability-2025-05

Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
DNAwalker-PT-03track12BlockBoth-ReachabilityFireability-2025-05,0,0.079247,4884,1,0,18,3434,13,0,413,2338,0
Reachability property DNAwalker-PT-03track12BlockBoth-ReachabilityFireability-2025-07 does not hold.
FORMULA DNAwalker-PT-03track12BlockBoth-ReachabilityFireability-2025-07 FALSE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL COLLATERAL_PROCESSING
No reachable states exhibit your property : DNAwalker-PT-03track12BlockBoth-ReachabilityFireability-2025-07

Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
DNAwalker-PT-03track12BlockBoth-ReachabilityFireability-2025-07,0,0.079603,4884,1,0,18,3434,13,0,414,2338,0
Reachability property DNAwalker-PT-03track12BlockBoth-ReachabilityFireability-2025-09 is true.

Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
DNAwalker-PT-03track12BlockBoth-ReachabilityFireability-2025-09,166,0.079761,4884,2,36,18,3434,14,0,414,2338,0
Reachability property DNAwalker-PT-03track12BlockBoth-ReachabilityFireability-2025-10 is true.

Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
DNAwalker-PT-03track12BlockBoth-ReachabilityFireability-2025-10,1,0.079903,4884,2,15,18,3434,15,0,414,2338,0
Invariant property DNAwalker-PT-03track12BlockBoth-ReachabilityFireability-2025-12 does not hold.

Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
DNAwalker-PT-03track12BlockBoth-ReachabilityFireability-2025-12,62,0.08288,4884,2,34,18,3434,16,0,454,2338,0
Reachability property DNAwalker-PT-03track12BlockBoth-ReachabilityFireability-2025-14 is true.

Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
DNAwalker-PT-03track12BlockBoth-ReachabilityFireability-2025-14,8,0.083863,4884,2,15,18,3434,17,0,465,2338,0
Reachability property DNAwalker-PT-03track12BlockBoth-ReachabilityFireability-2025-15 is true.

Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
DNAwalker-PT-03track12BlockBoth-ReachabilityFireability-2025-15,134,0.085789,4884,2,51,18,3434,18,0,490,2338,0
ITS tools runner thread asked to quit. Dying gracefully.
BEST_FIRST walk for 40003 steps (713 resets) in 588 ms. (67 steps per ms) remains 7/7 properties
BEST_FIRST walk for 40004 steps (757 resets) in 621 ms. (64 steps per ms) remains 7/7 properties
BEST_FIRST walk for 40004 steps (680 resets) in 116 ms. (341 steps per ms) remains 7/7 properties
BEST_FIRST walk for 40004 steps (732 resets) in 107 ms. (370 steps per ms) remains 7/7 properties
BEST_FIRST walk for 40003 steps (578 resets) in 191 ms. (208 steps per ms) remains 7/7 properties
BEST_FIRST walk for 40003 steps (801 resets) in 115 ms. (344 steps per ms) remains 7/7 properties
BEST_FIRST walk for 40003 steps (718 resets) in 75 ms. (526 steps per ms) remains 7/7 properties
All properties solved without resorting to model-checking.
Total runtime 1273 ms.

BK_STOP 1748708465497

--------------------
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
+ [[ ReachabilityFireability = StateSpace ]]
+ /home/mcc/BenchKit/bin//../itstools/bin//..//runeclipse.sh /home/mcc/execution ReachabilityFireability -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
++ sed s/.jar//
++ perl -pe 's/.*\.//g'
++ ls /home/mcc/BenchKit/bin//../itstools/bin//..//itstools/plugins/fr.lip6.move.gal.application.pnmcc_1.0.0.202505121319.jar
+ VERSION=202505121319
+ echo 'Running Version 202505121319'
+ /home/mcc/BenchKit/bin//../itstools/bin//..//itstools/its-tools -pnfolder /home/mcc/execution -examination ReachabilityFireability -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="DNAwalker-PT-03track12BlockBoth"
export BK_EXAMINATION="ReachabilityFireability"
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 2-5832"
echo " Executing tool itstools"
echo " Input is DNAwalker-PT-03track12BlockBoth, 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 r072-tall-174860067400391"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/DNAwalker-PT-03track12BlockBoth.tgz
mv DNAwalker-PT-03track12BlockBoth 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.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 ;