Execution Chart

We display below the execution chart for this examination (boot time has been removed).

Trace from the execution

Formatting '/mnt/tpsp/fkordon/mcc2020-input.r066-tajo-158922813900159.qcow2', fmt=qcow2 size=4294967296 backing_file='/mnt/tpsp/fkordon/mcc2020-input.qcow2' encryption=off cluster_size=65536 lazy_refcounts=off
Waiting for the VM to be ready (probing ssh)
.................
=====================================================================
Generated by BenchKit 2-4028
Executing tool itstools
Input is DNAwalker-PT-10ringRL, examination is ReachabilityFireability
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r066-tajo-158922813900159
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 280K
-rw-r--r-- 1 mcc users 3.0K Mar 31 04:58 CTLCardinality.txt
-rw-r--r-- 1 mcc users 17K Mar 31 04:58 CTLCardinality.xml
-rw-r--r-- 1 mcc users 2.5K Mar 29 20:54 CTLFireability.txt
-rw-r--r-- 1 mcc users 16K Mar 29 20:54 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.0K Mar 24 05:37 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 5.6K Mar 24 05:37 GenericPropertiesVerdict.xml
-rw-r--r-- 1 mcc users 3.3K Apr 8 14:52 LTLCardinality.txt
-rw-r--r-- 1 mcc users 24K Apr 28 14:00 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.1K Apr 8 14:52 LTLFireability.txt
-rw-r--r-- 1 mcc users 16K Apr 28 14:00 LTLFireability.xml
-rw-r--r-- 1 mcc users 3.2K Mar 28 13:42 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 16K Mar 28 13:42 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 3.1K Mar 27 06:26 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 19K Mar 27 06:26 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.7K Mar 28 14:49 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.7K Mar 28 14:49 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 Mar 24 05:37 equiv_col
-rw-r--r-- 1 mcc users 9 Mar 24 05:37 instance
-rw-r--r-- 1 mcc users 6 Mar 24 05:37 iscolored
-rw-r--r-- 1 mcc users 112K Mar 24 05:37 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 DNAwalker-PT-10ringRL-ReachabilityFireability-00
FORMULA_NAME DNAwalker-PT-10ringRL-ReachabilityFireability-01
FORMULA_NAME DNAwalker-PT-10ringRL-ReachabilityFireability-02
FORMULA_NAME DNAwalker-PT-10ringRL-ReachabilityFireability-03
FORMULA_NAME DNAwalker-PT-10ringRL-ReachabilityFireability-04
FORMULA_NAME DNAwalker-PT-10ringRL-ReachabilityFireability-05
FORMULA_NAME DNAwalker-PT-10ringRL-ReachabilityFireability-06
FORMULA_NAME DNAwalker-PT-10ringRL-ReachabilityFireability-07
FORMULA_NAME DNAwalker-PT-10ringRL-ReachabilityFireability-08
FORMULA_NAME DNAwalker-PT-10ringRL-ReachabilityFireability-09
FORMULA_NAME DNAwalker-PT-10ringRL-ReachabilityFireability-10
FORMULA_NAME DNAwalker-PT-10ringRL-ReachabilityFireability-11
FORMULA_NAME DNAwalker-PT-10ringRL-ReachabilityFireability-12
FORMULA_NAME DNAwalker-PT-10ringRL-ReachabilityFireability-13
FORMULA_NAME DNAwalker-PT-10ringRL-ReachabilityFireability-14
FORMULA_NAME DNAwalker-PT-10ringRL-ReachabilityFireability-15

=== Now, execution of the tool begins

BK_START 1590101494772

[2020-05-21 22:51:36] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, ReachabilityFireability, -z3path, /home/mcc/BenchKit//z3/bin/z3, -yices2path, /home/mcc/BenchKit//yices/bin/yices, -its, -ltsminpath, /home/mcc/BenchKit//lts_install_dir/, -greatspnpath, /home/mcc/BenchKit//greatspn/, -order, META, -manyOrder, -smt, -timeout, 3600]
[2020-05-21 22:51:36] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2020-05-21 22:51:36] [INFO ] Load time of PNML (sax parser for PT used): 58 ms
[2020-05-21 22:51:36] [INFO ] Transformed 27 places.
[2020-05-21 22:51:36] [INFO ] Transformed 260 transitions.
[2020-05-21 22:51:36] [INFO ] Parsed PT model containing 27 places and 260 transitions in 111 ms.
Parsed 16 properties from file /home/mcc/execution/ReachabilityFireability.xml in 17 ms.
Working with output stream class java.io.PrintStream
FORMULA DNAwalker-PT-10ringRL-ReachabilityFireability-09 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Incomplete random walk after 10000 steps, including 813 resets, run finished after 75 ms. (steps per millisecond=133 ) properties seen :[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0]
FORMULA DNAwalker-PT-10ringRL-ReachabilityFireability-12 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
Incomplete Best-First random walk after 10001 steps, including 47 resets, run finished after 14 ms. (steps per millisecond=714 ) properties seen :[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0]
Incomplete Best-First random walk after 10001 steps, including 44 resets, run finished after 21 ms. (steps per millisecond=476 ) properties seen :[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0]
Incomplete Best-First random walk after 10001 steps, including 53 resets, run finished after 34 ms. (steps per millisecond=294 ) properties seen :[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0]
Incomplete Best-First random walk after 10001 steps, including 55 resets, run finished after 16 ms. (steps per millisecond=625 ) properties seen :[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0]
Incomplete Best-First random walk after 10001 steps, including 49 resets, run finished after 17 ms. (steps per millisecond=588 ) properties seen :[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0]
Incomplete Best-First random walk after 10001 steps, including 47 resets, run finished after 8 ms. (steps per millisecond=1250 ) properties seen :[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0]
Incomplete Best-First random walk after 10001 steps, including 50 resets, run finished after 10 ms. (steps per millisecond=1000 ) properties seen :[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0]
Incomplete Best-First random walk after 10001 steps, including 55 resets, run finished after 16 ms. (steps per millisecond=625 ) properties seen :[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0]
Incomplete Best-First random walk after 10001 steps, including 43 resets, run finished after 8 ms. (steps per millisecond=1250 ) properties seen :[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0]
Incomplete Best-First random walk after 10001 steps, including 41 resets, run finished after 9 ms. (steps per millisecond=1111 ) properties seen :[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0]
Incomplete Best-First random walk after 10001 steps, including 45 resets, run finished after 9 ms. (steps per millisecond=1111 ) properties seen :[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0]
Incomplete Best-First random walk after 10001 steps, including 54 resets, run finished after 8 ms. (steps per millisecond=1250 ) properties seen :[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0]
Incomplete Best-First random walk after 10001 steps, including 54 resets, run finished after 16 ms. (steps per millisecond=625 ) properties seen :[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0]
Incomplete Best-First random walk after 10001 steps, including 50 resets, run finished after 9 ms. (steps per millisecond=1111 ) properties seen :[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0]
[2020-05-21 22:51:36] [INFO ] Flow matrix only has 259 transitions (discarded 1 similar events)
// Phase 1: matrix 259 rows 27 cols
[2020-05-21 22:51:36] [INFO ] Computed 0 place invariants in 6 ms
[2020-05-21 22:51:36] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2020-05-21 22:51:36] [INFO ] [Real]Absence check using state equation in 89 ms returned sat
[2020-05-21 22:51:36] [INFO ] Solution in real domain found non-integer solution.
[2020-05-21 22:51:36] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2020-05-21 22:51:37] [INFO ] [Nat]Absence check using state equation in 144 ms returned unsat
[2020-05-21 22:51:37] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2020-05-21 22:51:37] [INFO ] [Real]Absence check using state equation in 49 ms returned sat
[2020-05-21 22:51:37] [INFO ] Solution in real domain found non-integer solution.
[2020-05-21 22:51:37] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2020-05-21 22:51:37] [INFO ] [Nat]Absence check using state equation in 101 ms returned unsat
[2020-05-21 22:51:37] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2020-05-21 22:51:37] [INFO ] [Real]Absence check using state equation in 44 ms returned sat
[2020-05-21 22:51:37] [INFO ] Solution in real domain found non-integer solution.
[2020-05-21 22:51:37] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2020-05-21 22:51:37] [INFO ] [Nat]Absence check using state equation in 122 ms returned unsat
[2020-05-21 22:51:37] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2020-05-21 22:51:37] [INFO ] [Real]Absence check using state equation in 71 ms returned sat
[2020-05-21 22:51:37] [INFO ] Solution in real domain found non-integer solution.
[2020-05-21 22:51:37] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2020-05-21 22:51:37] [INFO ] [Nat]Absence check using state equation in 97 ms returned unsat
[2020-05-21 22:51:37] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2020-05-21 22:51:37] [INFO ] [Real]Absence check using state equation in 61 ms returned sat
[2020-05-21 22:51:37] [INFO ] Solution in real domain found non-integer solution.
[2020-05-21 22:51:37] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2020-05-21 22:51:37] [INFO ] [Nat]Absence check using state equation in 147 ms returned unsat
[2020-05-21 22:51:37] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2020-05-21 22:51:37] [INFO ] [Real]Absence check using state equation in 57 ms returned sat
[2020-05-21 22:51:38] [INFO ] Solution in real domain found non-integer solution.
[2020-05-21 22:51:38] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2020-05-21 22:51:38] [INFO ] [Nat]Absence check using state equation in 89 ms returned unsat
[2020-05-21 22:51:38] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2020-05-21 22:51:38] [INFO ] [Real]Absence check using state equation in 74 ms returned sat
[2020-05-21 22:51:38] [INFO ] Solution in real domain found non-integer solution.
[2020-05-21 22:51:38] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2020-05-21 22:51:38] [INFO ] [Nat]Absence check using state equation in 229 ms returned unsat
[2020-05-21 22:51:38] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2020-05-21 22:51:38] [INFO ] [Real]Absence check using state equation in 89 ms returned sat
[2020-05-21 22:51:38] [INFO ] Solution in real domain found non-integer solution.
[2020-05-21 22:51:38] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2020-05-21 22:51:38] [INFO ] [Nat]Absence check using state equation in 159 ms returned unsat
[2020-05-21 22:51:38] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2020-05-21 22:51:38] [INFO ] [Real]Absence check using state equation in 53 ms returned sat
[2020-05-21 22:51:38] [INFO ] Solution in real domain found non-integer solution.
[2020-05-21 22:51:38] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2020-05-21 22:51:38] [INFO ] [Nat]Absence check using state equation in 190 ms returned unsat
[2020-05-21 22:51:39] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2020-05-21 22:51:39] [INFO ] [Real]Absence check using state equation in 67 ms returned sat
[2020-05-21 22:51:39] [INFO ] Solution in real domain found non-integer solution.
[2020-05-21 22:51:39] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2020-05-21 22:51:39] [INFO ] [Nat]Absence check using state equation in 142 ms returned unsat
[2020-05-21 22:51:39] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2020-05-21 22:51:39] [INFO ] [Real]Absence check using state equation in 68 ms returned sat
[2020-05-21 22:51:39] [INFO ] Solution in real domain found non-integer solution.
[2020-05-21 22:51:39] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2020-05-21 22:51:39] [INFO ] [Nat]Absence check using state equation in 119 ms returned unsat
[2020-05-21 22:51:39] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2020-05-21 22:51:39] [INFO ] [Real]Absence check using state equation in 88 ms returned sat
[2020-05-21 22:51:39] [INFO ] Solution in real domain found non-integer solution.
[2020-05-21 22:51:39] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2020-05-21 22:51:39] [INFO ] [Nat]Absence check using state equation in 239 ms returned unsat
[2020-05-21 22:51:39] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2020-05-21 22:51:39] [INFO ] [Real]Absence check using state equation in 83 ms returned sat
[2020-05-21 22:51:39] [INFO ] Solution in real domain found non-integer solution.
[2020-05-21 22:51:39] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2020-05-21 22:51:40] [INFO ] [Nat]Absence check using state equation in 264 ms returned unsat
[2020-05-21 22:51:40] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2020-05-21 22:51:40] [INFO ] [Real]Absence check using state equation in 71 ms returned sat
[2020-05-21 22:51:40] [INFO ] Solution in real domain found non-integer solution.
[2020-05-21 22:51:40] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2020-05-21 22:51:40] [INFO ] [Nat]Absence check using state equation in 217 ms returned unsat
FORMULA DNAwalker-PT-10ringRL-ReachabilityFireability-15 FALSE TECHNIQUES STRUCTURAL_REDUCTION TOPOLOGICAL SAT_SMT
FORMULA DNAwalker-PT-10ringRL-ReachabilityFireability-14 FALSE TECHNIQUES STRUCTURAL_REDUCTION TOPOLOGICAL SAT_SMT
FORMULA DNAwalker-PT-10ringRL-ReachabilityFireability-13 TRUE TECHNIQUES STRUCTURAL_REDUCTION TOPOLOGICAL SAT_SMT
FORMULA DNAwalker-PT-10ringRL-ReachabilityFireability-11 TRUE TECHNIQUES STRUCTURAL_REDUCTION TOPOLOGICAL SAT_SMT
FORMULA DNAwalker-PT-10ringRL-ReachabilityFireability-10 FALSE TECHNIQUES STRUCTURAL_REDUCTION TOPOLOGICAL SAT_SMT
FORMULA DNAwalker-PT-10ringRL-ReachabilityFireability-08 TRUE TECHNIQUES STRUCTURAL_REDUCTION TOPOLOGICAL SAT_SMT
FORMULA DNAwalker-PT-10ringRL-ReachabilityFireability-07 FALSE TECHNIQUES STRUCTURAL_REDUCTION TOPOLOGICAL SAT_SMT
FORMULA DNAwalker-PT-10ringRL-ReachabilityFireability-06 FALSE TECHNIQUES STRUCTURAL_REDUCTION TOPOLOGICAL SAT_SMT
FORMULA DNAwalker-PT-10ringRL-ReachabilityFireability-05 TRUE TECHNIQUES STRUCTURAL_REDUCTION TOPOLOGICAL SAT_SMT
FORMULA DNAwalker-PT-10ringRL-ReachabilityFireability-04 TRUE TECHNIQUES STRUCTURAL_REDUCTION TOPOLOGICAL SAT_SMT
FORMULA DNAwalker-PT-10ringRL-ReachabilityFireability-03 TRUE TECHNIQUES STRUCTURAL_REDUCTION TOPOLOGICAL SAT_SMT
FORMULA DNAwalker-PT-10ringRL-ReachabilityFireability-02 TRUE TECHNIQUES STRUCTURAL_REDUCTION TOPOLOGICAL SAT_SMT
FORMULA DNAwalker-PT-10ringRL-ReachabilityFireability-01 FALSE TECHNIQUES STRUCTURAL_REDUCTION TOPOLOGICAL SAT_SMT
FORMULA DNAwalker-PT-10ringRL-ReachabilityFireability-00 FALSE TECHNIQUES STRUCTURAL_REDUCTION TOPOLOGICAL SAT_SMT
All properties solved without resorting to model-checking.

BK_STOP 1590101500754

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

+ export BINDIR=/home/mcc/BenchKit/
+ BINDIR=/home/mcc/BenchKit/
++ pwd
+ export MODEL=/home/mcc/execution
+ MODEL=/home/mcc/execution
+ [[ ReachabilityFireability = StateSpace ]]
+ /home/mcc/BenchKit//runeclipse.sh /home/mcc/execution ReachabilityFireability -its -ltsminpath /home/mcc/BenchKit//lts_install_dir/ -greatspnpath /home/mcc/BenchKit//greatspn/ -order META -manyOrder -smt -timeout 3600
+ ulimit -s 65536
+ [[ -z '' ]]
+ export LTSMIN_MEM_SIZE=8589934592
+ LTSMIN_MEM_SIZE=8589934592
+ /home/mcc/BenchKit//itstools/its-tools -data /home/mcc/execution/workspace -pnfolder /home/mcc/execution -examination ReachabilityFireability -z3path /home/mcc/BenchKit//z3/bin/z3 -yices2path /home/mcc/BenchKit//yices/bin/yices -its -ltsminpath /home/mcc/BenchKit//lts_install_dir/ -greatspnpath /home/mcc/BenchKit//greatspn/ -order META -manyOrder -smt -timeout 3600 -vmargs -Dosgi.locking=none -Declipse.stateSaveDelayInterval=-1 -Dosgi.configuration.area=/tmp/.eclipse -Xss128m -Xms40m -Xmx16000m -Dfile.encoding=UTF-8 -Dosgi.requiredJavaVersion=1.6

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-10ringRL"
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"

# 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 2-4028"
echo " Executing tool itstools"
echo " Input is DNAwalker-PT-10ringRL, 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 r066-tajo-158922813900159"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/DNAwalker-PT-10ringRL.tgz
mv DNAwalker-PT-10ringRL 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 ;