fond
Model Checking Contest 2020
10th edition, Paris, France, June 23, 2020
Execution of r066-tajo-158922814200356
Last Updated
Jun 28, 2020

About the Execution of ITS-Tools for Diffusion2D-PT-D05N010

Execution Summary
Max Memory
Used (MB)
Time wait (ms) CPU Usage (ms) I/O Wait (ms) Computed Result Execution
Status
15739.640 5189.00 10298.00 72.70 TTFFFFTFFTFTFFTT normal

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-158922814200356.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 Diffusion2D-PT-D05N010, examination is CTLFireability
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r066-tajo-158922814200356
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 248K
-rw-r--r-- 1 mcc users 4.4K Mar 31 06:25 CTLCardinality.txt
-rw-r--r-- 1 mcc users 23K Mar 31 06:25 CTLCardinality.xml
-rw-r--r-- 1 mcc users 3.1K Mar 29 22:43 CTLFireability.txt
-rw-r--r-- 1 mcc users 18K Mar 29 22:43 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.0K Mar 24 05:37 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 5.8K Mar 24 05:37 GenericPropertiesVerdict.xml
-rw-r--r-- 1 mcc users 3.9K Apr 8 14:48 LTLCardinality.txt
-rw-r--r-- 1 mcc users 24K Apr 28 14:00 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.2K Apr 8 14:48 LTLFireability.txt
-rw-r--r-- 1 mcc users 15K Apr 28 14:00 LTLFireability.xml
-rw-r--r-- 1 mcc users 4.1K Mar 28 14:29 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 20K Mar 28 14:29 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 3.7K Mar 27 07:28 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 21K Mar 27 07:28 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.8K Mar 28 14:50 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.8K Mar 28 14:50 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 Mar 24 05:37 equiv_col
-rw-r--r-- 1 mcc users 8 Mar 24 05:37 instance
-rw-r--r-- 1 mcc users 6 Mar 24 05:37 iscolored
-rw-r--r-- 1 mcc users 55K 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 Diffusion2D-PT-D05N010-CTLFireability-00
FORMULA_NAME Diffusion2D-PT-D05N010-CTLFireability-01
FORMULA_NAME Diffusion2D-PT-D05N010-CTLFireability-02
FORMULA_NAME Diffusion2D-PT-D05N010-CTLFireability-03
FORMULA_NAME Diffusion2D-PT-D05N010-CTLFireability-04
FORMULA_NAME Diffusion2D-PT-D05N010-CTLFireability-05
FORMULA_NAME Diffusion2D-PT-D05N010-CTLFireability-06
FORMULA_NAME Diffusion2D-PT-D05N010-CTLFireability-07
FORMULA_NAME Diffusion2D-PT-D05N010-CTLFireability-08
FORMULA_NAME Diffusion2D-PT-D05N010-CTLFireability-09
FORMULA_NAME Diffusion2D-PT-D05N010-CTLFireability-10
FORMULA_NAME Diffusion2D-PT-D05N010-CTLFireability-11
FORMULA_NAME Diffusion2D-PT-D05N010-CTLFireability-12
FORMULA_NAME Diffusion2D-PT-D05N010-CTLFireability-13
FORMULA_NAME Diffusion2D-PT-D05N010-CTLFireability-14
FORMULA_NAME Diffusion2D-PT-D05N010-CTLFireability-15

=== Now, execution of the tool begins

BK_START 1590112156471

[2020-05-22 01:49:18] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, CTLFireability, -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]
[2020-05-22 01:49:18] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2020-05-22 01:49:18] [INFO ] Load time of PNML (sax parser for PT used): 39 ms
[2020-05-22 01:49:18] [INFO ] Transformed 25 places.
[2020-05-22 01:49:18] [INFO ] Transformed 144 transitions.
[2020-05-22 01:49:18] [INFO ] Parsed PT model containing 25 places and 144 transitions in 76 ms.
Parsed 16 properties from file /home/mcc/execution/CTLFireability.xml in 15 ms.
Incomplete random walk after 100001 steps, including 0 resets, run finished after 55 ms. (steps per millisecond=1818 ) properties seen :[1, 0, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
// Phase 1: matrix 144 rows 25 cols
[2020-05-22 01:49:18] [INFO ] Computed 1 place invariants in 4 ms
[2020-05-22 01:49:18] [INFO ] [Real]Absence check using 1 positive place invariants in 12 ms returned sat
[2020-05-22 01:49:18] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2020-05-22 01:49:18] [INFO ] [Real]Absence check using state equation in 40 ms returned sat
[2020-05-22 01:49:19] [INFO ] Computed and/alt/rep : 136/848/136 causal constraints in 20 ms.
[2020-05-22 01:49:19] [INFO ] Solution in real domain found non-integer solution.
[2020-05-22 01:49:19] [INFO ] [Nat]Absence check using 1 positive place invariants in 7 ms returned sat
[2020-05-22 01:49:19] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2020-05-22 01:49:19] [INFO ] [Nat]Absence check using state equation in 28 ms returned sat
[2020-05-22 01:49:19] [INFO ] Computed and/alt/rep : 136/848/136 causal constraints in 13 ms.
[2020-05-22 01:49:19] [INFO ] Added : 128 causal constraints over 26 iterations in 476 ms. Result :sat
[2020-05-22 01:49:19] [INFO ] Initial state reduction rules for CTL removed 7 formulas.
[2020-05-22 01:49:19] [INFO ] Flatten gal took : 34 ms
[2020-05-22 01:49:19] [INFO ] Initial state reduction rules for CTL removed 7 formulas.
[2020-05-22 01:49:19] [INFO ] Flatten gal took : 11 ms
FORMULA Diffusion2D-PT-D05N010-CTLFireability-15 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA Diffusion2D-PT-D05N010-CTLFireability-14 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA Diffusion2D-PT-D05N010-CTLFireability-13 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA Diffusion2D-PT-D05N010-CTLFireability-12 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA Diffusion2D-PT-D05N010-CTLFireability-10 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA Diffusion2D-PT-D05N010-CTLFireability-09 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA Diffusion2D-PT-D05N010-CTLFireability-08 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
[2020-05-22 01:49:19] [INFO ] Applying decomposition
[2020-05-22 01:49:19] [INFO ] Flatten gal took : 8 ms
Converted graph to binary with : CommandLine [args=[/home/mcc/BenchKit/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202005100927/bin/convert-linux64, -i, /tmp/graph18273596080364012675.txt, -o, /tmp/graph18273596080364012675.bin, -w, /tmp/graph18273596080364012675.weights], workingDir=null]
Built communities with : CommandLine [args=[/home/mcc/BenchKit/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202005100927/bin/louvain-linux64, /tmp/graph18273596080364012675.bin, -l, -1, -v, -w, /tmp/graph18273596080364012675.weights, -q, 0, -e, 0.001], workingDir=null]
[2020-05-22 01:49:19] [INFO ] Decomposing Gal with order
[2020-05-22 01:49:19] [INFO ] Rewriting arrays to variables to allow decomposition.
[2020-05-22 01:49:19] [INFO ] Removed a total of 64 redundant transitions.
[2020-05-22 01:49:19] [INFO ] Flatten gal took : 31 ms
[2020-05-22 01:49:19] [INFO ] Fuse similar labels procedure discarded/fused a total of 0 labels/synchronizations in 1 ms.
[2020-05-22 01:49:19] [INFO ] Time to serialize gal into /home/mcc/execution/CTLFireability.pnml.gal : 3 ms
[2020-05-22 01:49:19] [INFO ] Time to serialize properties into /home/mcc/execution/CTLFireability.ctl : 1 ms
Invoking ITS tools like this :CommandLine [args=[/home/mcc/BenchKit/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202005100927/bin/its-ctl-linux64, --gc-threshold, 2000000, --quiet, -i, /home/mcc/execution/CTLFireability.pnml.gal, -t, CGAL, -ctl, /home/mcc/execution/CTLFireability.ctl], workingDir=/home/mcc/execution]

its-ctl command run as :

/home/mcc/BenchKit/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202005100927/bin/its-ctl-linux64 --gc-threshold 2000000 --quiet -i /home/mcc/execution/CTLFireability.pnml.gal -t CGAL -ctl /home/mcc/execution/CTLFireability.ctl
No direction supplied, using forward translation only.
Parsed 9 CTL formulae.
built 6 ordering constraints for composite.
Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
reachable,1.31128e+08,0.045481,5988,68,100,1397,4417,120,1995,89,7924,0


Converting to forward existential form...Done !
original formula: EF(((((u3.cAMP__3_4_>=1)&&(u3.cAMP__3_5_>=1))&&(u0.cAMP__1_3_>=1))&&(u2.cAMP__4_3_>=1)))
=> equivalent forward existential formula: [(FwdU(Init,TRUE) * ((((u3.cAMP__3_4_>=1)&&(u3.cAMP__3_5_>=1))&&(u0.cAMP__1_3_>=1))&&(u2.cAMP__4_3_>=1)))] != FALSE
(forward)formula 0,1,0.046957,6372,1,0,1397,4417,138,1995,126,7924,73
FORMULA Diffusion2D-PT-D05N010-CTLFireability-00 TRUE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL USE_NUPN
Formula is TRUE !

***************************************

original formula: (!(AG((u2.cAMP__3_3_>=1))) + !(E(((u1.cAMP__2_4_>=1)&&(u2.cAMP__3_3_>=1)) U (u3.cAMP__4_5_<1))))
=> equivalent forward existential formula: [(FwdU((Init * !(!(!(E(TRUE U !((u2.cAMP__3_3_>=1))))))),((u1.cAMP__2_4_>=1)&&(u2.cAMP__3_3_>=1))) * (u3.cAMP__4_5_<1))] = FALSE
Reverse transition relation is exact ! Faster fixpoint algorithm enabled.
(forward)formula 1,1,0.098872,7956,1,0,2125,8286,485,4201,427,22232,2230
FORMULA Diffusion2D-PT-D05N010-CTLFireability-01 TRUE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL USE_NUPN
Formula is TRUE !

***************************************

original formula: (AG(((u2.cAMP__3_3_>=1) + AF((u2.cAMP__4_1_>=1)))) * E(((u2.cAMP__3_2_<1)&&(u0.cAMP__2_2_<1)) U AX((u2.cAMP__4_3_>=1))))
=> equivalent forward existential formula: ([FwdG((FwdU(Init,TRUE) * !((u2.cAMP__3_3_>=1))),!((u2.cAMP__4_1_>=1)))] = FALSE * [(Init * !(E(((u2.cAMP__3_2_<1)&&(u0.cAMP__2_2_<1)) U !(EX(!((u2.cAMP__4_3_>=1)))))))] = FALSE)
Fast SCC detection found an SCC at level 1
Fast SCC detection found an SCC at level 2
Fast SCC detection found an SCC at level 3
(forward)formula 2,0,0.868184,35676,1,0,21479,41231,669,91648,465,315633,15670
FORMULA Diffusion2D-PT-D05N010-CTLFireability-02 FALSE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL USE_NUPN
Formula is FALSE !

***************************************

original formula: AG((((((u3.cAMP__5_4_>=1)||(u3.cAMP__4_4_>=1))||(u1.cAMP__1_4_>=1))||(u1.cAMP__2_4_>=1)) + EX(((u0.cAMP__1_3_>=1)||(u0.cAMP__2_2_>=1)))))
=> equivalent forward existential formula: [((FwdU(Init,TRUE) * !(((((u3.cAMP__5_4_>=1)||(u3.cAMP__4_4_>=1))||(u1.cAMP__1_4_>=1))||(u1.cAMP__2_4_>=1)))) * !(EX(((u0.cAMP__1_3_>=1)||(u0.cAMP__2_2_>=1)))))] = FALSE
(forward)formula 3,0,0.896842,36996,1,0,22862,42921,684,94285,468,324037,16561
FORMULA Diffusion2D-PT-D05N010-CTLFireability-03 FALSE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL USE_NUPN
Formula is FALSE !

***************************************

original formula: EF((((u0.cAMP__1_3_>=1) * AG((u2.cAMP__3_3_>=1))) * ((u3.cAMP__5_4_<1)||(u0.cAMP__2_3_<1))))
=> equivalent forward existential formula: [(((FwdU(Init,TRUE) * ((u3.cAMP__5_4_<1)||(u0.cAMP__2_3_<1))) * (u0.cAMP__1_3_>=1)) * !(E(TRUE U !((u2.cAMP__3_3_>=1)))))] != FALSE
(forward)formula 4,0,0.897114,36996,1,0,22862,42921,684,94285,468,324037,16561
FORMULA Diffusion2D-PT-D05N010-CTLFireability-04 FALSE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL USE_NUPN
Formula is FALSE !

***************************************

original formula: (EF((AX((u2.cAMP__5_3_>=1)) * AG((u0.cAMP__2_3_>=1)))) + AX(A((u1.cAMP__2_4_>=1) U (u3.cAMP__3_5_>=1))))
=> equivalent forward existential formula: ([(FwdU(EY((Init * !(E(TRUE U (!(EX(!((u2.cAMP__5_3_>=1)))) * !(E(TRUE U !((u0.cAMP__2_3_>=1))))))))),!((u3.cAMP__3_5_>=1))) * (!((u1.cAMP__2_4_>=1)) * !((u3.cAMP__3_5_>=1))))] = FALSE * [FwdG(EY((Init * !(E(TRUE U (!(EX(!((u2.cAMP__5_3_>=1)))) * !(E(TRUE U !((u0.cAMP__2_3_>=1))))))))),!((u3.cAMP__3_5_>=1)))] = FALSE)
(forward)formula 5,0,1.45192,54156,1,0,33676,55486,731,161541,483,516314,22537
FORMULA Diffusion2D-PT-D05N010-CTLFireability-05 FALSE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL USE_NUPN
Formula is FALSE !

***************************************

original formula: AX((!(AX((u3.cAMP__4_5_>=1))) * !(AG((u1.cAMP__1_5_>=1)))))
=> equivalent forward existential formula: ([(EY(Init) * !(EX(!((u3.cAMP__4_5_>=1)))))] = FALSE * [(EY(Init) * !(E(TRUE U !((u1.cAMP__1_5_>=1)))))] = FALSE)
(forward)formula 6,1,1.45843,54420,1,0,33911,55858,735,162403,484,518704,22750
FORMULA Diffusion2D-PT-D05N010-CTLFireability-06 TRUE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL USE_NUPN
Formula is TRUE !

***************************************

original formula: E(AX((u3.cAMP__3_4_>=1)) U (u2.cAMP__4_1_>=1))
=> equivalent forward existential formula: [(FwdU(Init,!(EX(!((u3.cAMP__3_4_>=1))))) * (u2.cAMP__4_1_>=1))] != FALSE
(forward)formula 7,0,1.47169,54948,1,0,34185,57269,741,163773,485,525662,22904
FORMULA Diffusion2D-PT-D05N010-CTLFireability-07 FALSE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL USE_NUPN
Formula is FALSE !

***************************************

original formula: EX(((u3.cAMP__3_4_>=1)||(u2.cAMP__4_2_<1)))
=> equivalent forward existential formula: [(EY(Init) * ((u3.cAMP__3_4_>=1)||(u2.cAMP__4_2_<1)))] != FALSE
(forward)formula 8,1,1.47355,55212,1,0,34285,57301,744,163960,486,526401,22940
FORMULA Diffusion2D-PT-D05N010-CTLFireability-11 TRUE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL USE_NUPN
Formula is TRUE !

***************************************


BK_STOP 1590112161660

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

+ export BINDIR=/home/mcc/BenchKit/
+ BINDIR=/home/mcc/BenchKit/
++ pwd
+ export MODEL=/home/mcc/execution
+ MODEL=/home/mcc/execution
+ [[ CTLFireability = StateSpace ]]
+ /home/mcc/BenchKit//runeclipse.sh /home/mcc/execution CTLFireability -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 CTLFireability -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="Diffusion2D-PT-D05N010"
export BK_EXAMINATION="CTLFireability"
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 Diffusion2D-PT-D05N010, examination is CTLFireability"
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-158922814200356"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/Diffusion2D-PT-D05N010.tgz
mv Diffusion2D-PT-D05N010 execution
cd execution
if [ "CTLFireability" = "ReachabilityDeadlock" ] || [ "CTLFireability" = "UpperBounds" ] || [ "CTLFireability" = "QuasiLiveness" ] || [ "CTLFireability" = "StableMarking" ] || [ "CTLFireability" = "Liveness" ] || [ "CTLFireability" = "OneSafe" ] || [ "CTLFireability" = "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 [ "CTLFireability" = "UpperBounds" ] ; then
echo "The expected result is a vector of positive values"
echo NUM_VECTOR
elif [ "CTLFireability" != "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 "CTLFireability.txt" ] ; then
echo "here is the order used to build the result vector(from text file)"
for x in $(grep Property CTLFireability.txt | cut -d ' ' -f 2 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ -f "CTLFireability.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 '' CTLFireability.xml | cut -d '>' -f 2 | cut -d '<' -f 1 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ "CTLFireability" = "ReachabilityDeadlock" ] || [ "CTLFireability" = "QuasiLiveness" ] || [ "CTLFireability" = "StableMarking" ] || [ "CTLFireability" = "Liveness" ] || [ "CTLFireability" = "OneSafe" ] ; then
echo "FORMULA_NAME CTLFireability"
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 ;