fond
Model Checking Contest 2024
14th edition, Geneva, Switzerland, June 25, 2024
Execution of r356-tall-171683760900342
Last Updated
July 7, 2024

About the Execution of ITS-Tools for ShieldIIPt-PT-100A

Execution Summary
Max Memory
Used (MB)
Time wait (ms) CPU Usage (ms) I/O Wait (ms) Computed Result Execution
Status
3152.432 19880.00 57070.00 106.20 TTTFTFFFFTFTFTFF normal

Execution Chart

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

Trace from the execution

Formatting '/data/fkordon/mcc2024-input.r356-tall-171683760900342.qcow2', fmt=qcow2 size=4294967296 backing_file=/data/fkordon/mcc2024-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 2-5568
Executing tool itstools
Input is ShieldIIPt-PT-100A, examination is ReachabilityCardinality
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r356-tall-171683760900342
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 972K
-rw-r--r-- 1 mcc users 6.4K May 14 13:22 CTLCardinality.txt
-rw-r--r-- 1 mcc users 65K May 14 13:22 CTLCardinality.xml
-rw-r--r-- 1 mcc users 4.9K May 14 13:22 CTLFireability.txt
-rw-r--r-- 1 mcc users 43K May 14 13:22 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K May 18 16:43 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 6.6K May 18 16:43 GenericPropertiesVerdict.xml
-rw-r--r-- 1 mcc users 3.5K Apr 23 07:53 LTLCardinality.txt
-rw-r--r-- 1 mcc users 23K Apr 23 07:53 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.3K Apr 23 07:53 LTLFireability.txt
-rw-r--r-- 1 mcc users 18K Apr 23 07:53 LTLFireability.xml
-rw-r--r-- 1 mcc users 13K Apr 13 01:19 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 132K Apr 13 01:19 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 7.1K Apr 13 00:03 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 57K Apr 13 00:03 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.6K Apr 23 07:53 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.7K Apr 23 07:53 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 May 18 16:43 equiv_col
-rw-r--r-- 1 mcc users 5 May 18 16:43 instance
-rw-r--r-- 1 mcc users 6 May 18 16:43 iscolored
-rw-r--r-- 1 mcc users 539K May 18 16:43 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 ShieldIIPt-PT-100A-ReachabilityCardinality-2024-00
FORMULA_NAME ShieldIIPt-PT-100A-ReachabilityCardinality-2024-01
FORMULA_NAME ShieldIIPt-PT-100A-ReachabilityCardinality-2024-02
FORMULA_NAME ShieldIIPt-PT-100A-ReachabilityCardinality-2024-03
FORMULA_NAME ShieldIIPt-PT-100A-ReachabilityCardinality-2024-04
FORMULA_NAME ShieldIIPt-PT-100A-ReachabilityCardinality-2024-05
FORMULA_NAME ShieldIIPt-PT-100A-ReachabilityCardinality-2024-06
FORMULA_NAME ShieldIIPt-PT-100A-ReachabilityCardinality-2024-07
FORMULA_NAME ShieldIIPt-PT-100A-ReachabilityCardinality-2024-08
FORMULA_NAME ShieldIIPt-PT-100A-ReachabilityCardinality-2024-09
FORMULA_NAME ShieldIIPt-PT-100A-ReachabilityCardinality-2024-10
FORMULA_NAME ShieldIIPt-PT-100A-ReachabilityCardinality-2024-11
FORMULA_NAME ShieldIIPt-PT-100A-ReachabilityCardinality-2024-12
FORMULA_NAME ShieldIIPt-PT-100A-ReachabilityCardinality-2024-13
FORMULA_NAME ShieldIIPt-PT-100A-ReachabilityCardinality-2024-14
FORMULA_NAME ShieldIIPt-PT-100A-ReachabilityCardinality-2024-15

=== Now, execution of the tool begins

BK_START 1716948006164

Invoking MCC driver with
BK_TOOL=itstools
BK_EXAMINATION=ReachabilityCardinality
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=ShieldIIPt-PT-100A
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
ReachabilityCardinality PT
Running Version 202405141337
[2024-05-29 02:00:07] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, ReachabilityCardinality, -its, -ltsmin, -greatspnpath, /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/, -order, META, -manyOrder, -smt, -timeout, 3600]
[2024-05-29 02:00:07] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2024-05-29 02:00:07] [INFO ] Load time of PNML (sax parser for PT used): 160 ms
[2024-05-29 02:00:07] [INFO ] Transformed 1903 places.
[2024-05-29 02:00:07] [INFO ] Transformed 1403 transitions.
[2024-05-29 02:00:07] [INFO ] Found NUPN structural information;
[2024-05-29 02:00:07] [INFO ] Parsed PT model containing 1903 places and 1403 transitions and 6006 arcs in 315 ms.
Parsed 16 properties from file /home/mcc/execution/ReachabilityCardinality.xml in 20 ms.
Working with output stream class java.io.PrintStream
Ensure Unique test removed 1 transitions
Reduce redundant transitions removed 1 transitions.
FORMULA ShieldIIPt-PT-100A-ReachabilityCardinality-2024-07 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA ShieldIIPt-PT-100A-ReachabilityCardinality-2024-09 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA ShieldIIPt-PT-100A-ReachabilityCardinality-2024-13 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
RANDOM walk for 40000 steps (8 resets) in 2944 ms. (13 steps per ms) remains 12/13 properties
FORMULA ShieldIIPt-PT-100A-ReachabilityCardinality-2024-03 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
BEST_FIRST walk for 40002 steps (8 resets) in 1350 ms. (29 steps per ms) remains 12/12 properties
[2024-05-29 02:00:08] [INFO ] Flatten gal took : 819 ms
BEST_FIRST walk for 40003 steps (8 resets) in 811 ms. (49 steps per ms) remains 12/12 properties
[2024-05-29 02:00:09] [INFO ] Flatten gal took : 413 ms
BEST_FIRST walk for 40003 steps (8 resets) in 850 ms. (47 steps per ms) remains 12/12 properties
[2024-05-29 02:00:09] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality11024969704118421351.gal : 85 ms
[2024-05-29 02:00:09] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality6814485443260968414.prop : 5 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202405141337/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality11024969704118421351.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality6814485443260968414.prop' '--nowitness' '--gen-order' 'FOLLOW'

its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202405141337/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...329
BEST_FIRST walk for 40004 steps (8 resets) in 975 ms. (40 steps per ms) remains 12/12 properties
Loading property file /tmp/ReachabilityCardinality6814485443260968414.prop.
BEST_FIRST walk for 40004 steps (8 resets) in 695 ms. (57 steps per ms) remains 12/12 properties
BEST_FIRST walk for 40002 steps (8 resets) in 657 ms. (60 steps per ms) remains 12/12 properties
BEST_FIRST walk for 40002 steps (8 resets) in 626 ms. (63 steps per ms) remains 12/12 properties
BEST_FIRST walk for 40004 steps (8 resets) in 1099 ms. (36 steps per ms) remains 12/12 properties
BEST_FIRST walk for 40003 steps (8 resets) in 641 ms. (62 steps per ms) remains 12/12 properties
BEST_FIRST walk for 40004 steps (8 resets) in 659 ms. (60 steps per ms) remains 12/12 properties
BEST_FIRST walk for 40004 steps (8 resets) in 662 ms. (60 steps per ms) remains 12/12 properties
BEST_FIRST walk for 40004 steps (8 resets) in 568 ms. (70 steps per ms) remains 12/12 properties
SDD proceeding with computation,12 properties remain. new max is 4
SDD size :2 after 3
SDD proceeding with computation,12 properties remain. new max is 8
SDD size :4 after 12
SDD proceeding with computation,12 properties remain. new max is 16
SDD size :12 after 25
SDD proceeding with computation,12 properties remain. new max is 32
SDD size :25 after 51
SDD proceeding with computation,12 properties remain. new max is 64
SDD size :51 after 100
Reachability property ShieldIIPt-PT-100A-ReachabilityCardinality-2024-04 is true.
FORMULA ShieldIIPt-PT-100A-ReachabilityCardinality-2024-04 TRUE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL COLLATERAL_PROCESSING
SDD proceeding with computation,11 properties remain. new max is 64
SDD size :100 after 198
Invariant property ShieldIIPt-PT-100A-ReachabilityCardinality-2024-15 does not hold.
FORMULA ShieldIIPt-PT-100A-ReachabilityCardinality-2024-15 FALSE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL COLLATERAL_PROCESSING
SDD proceeding with computation,10 properties remain. new max is 64
SDD size :198 after 295
SDD proceeding with computation,10 properties remain. new max is 128
SDD size :295 after 580
SDD proceeding with computation,10 properties remain. new max is 256
SDD size :580 after 22734
SDD proceeding with computation,10 properties remain. new max is 512
SDD size :22734 after 775972
SDD proceeding with computation,10 properties remain. new max is 1024
SDD size :775972 after 3.34496e+11
Reachability property ShieldIIPt-PT-100A-ReachabilityCardinality-2024-11 is true.
FORMULA ShieldIIPt-PT-100A-ReachabilityCardinality-2024-11 TRUE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL COLLATERAL_PROCESSING
Reachability property ShieldIIPt-PT-100A-ReachabilityCardinality-2024-00 is true.
FORMULA ShieldIIPt-PT-100A-ReachabilityCardinality-2024-00 TRUE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL COLLATERAL_PROCESSING
SDD proceeding with computation,8 properties remain. new max is 1024
SDD size :3.34496e+11 after 1.81551e+24
Interrupted probabilistic random walk after 288980 steps, run timeout after 9004 ms. (steps per millisecond=32 ) properties seen :10 out of 12
Probabilistic random walk after 288980 steps, saw 286849 distinct states, run finished after 9009 ms. (steps per millisecond=32 ) properties seen :10
FORMULA ShieldIIPt-PT-100A-ReachabilityCardinality-2024-14 FALSE TECHNIQUES TOPOLOGICAL PROBABILISTIC_WALK
FORMULA ShieldIIPt-PT-100A-ReachabilityCardinality-2024-12 FALSE TECHNIQUES TOPOLOGICAL PROBABILISTIC_WALK
FORMULA ShieldIIPt-PT-100A-ReachabilityCardinality-2024-10 FALSE TECHNIQUES TOPOLOGICAL PROBABILISTIC_WALK
FORMULA ShieldIIPt-PT-100A-ReachabilityCardinality-2024-08 FALSE TECHNIQUES TOPOLOGICAL PROBABILISTIC_WALK
FORMULA ShieldIIPt-PT-100A-ReachabilityCardinality-2024-06 FALSE TECHNIQUES TOPOLOGICAL PROBABILISTIC_WALK
FORMULA ShieldIIPt-PT-100A-ReachabilityCardinality-2024-05 FALSE TECHNIQUES TOPOLOGICAL PROBABILISTIC_WALK
FORMULA ShieldIIPt-PT-100A-ReachabilityCardinality-2024-01 TRUE TECHNIQUES TOPOLOGICAL PROBABILISTIC_WALK
// Phase 1: matrix 1402 rows 1903 cols
[2024-05-29 02:00:20] [INFO ] Computed 901 invariants in 52 ms
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/10 variables, 10/10 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/10 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (OVERLAPS) 17/27 variables, 11/21 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/27 variables, 17/38 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/27 variables, 0/38 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 1876/1903 variables, 890/928 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/1903 variables, 1876/2804 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/1903 variables, 0/2804 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 1402/3305 variables, 1903/4707 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/3305 variables, 0/4707 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 0/3305 variables, 0/4707 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 3305/3305 variables, and 4707 constraints, problems are : Problem set: 0 solved, 1 unsolved in 1120 ms.
Refiners :[Domain max(s): 1903/1903 constraints, Positive P Invariants (semi-flows): 901/901 constraints, State Equation: 1903/1903 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/10 variables, 10/10 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/10 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (OVERLAPS) 17/27 variables, 11/21 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/27 variables, 17/38 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/27 variables, 0/38 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 1876/1903 variables, 890/928 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/1903 variables, 1876/2804 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/1903 variables, 0/2804 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 1402/3305 variables, 1903/4707 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/3305 variables, 1/4708 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/3305 variables, 0/4708 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 0/3305 variables, 0/4708 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 3305/3305 variables, and 4708 constraints, problems are : Problem set: 0 solved, 1 unsolved in 1372 ms.
Refiners :[Domain max(s): 1903/1903 constraints, Positive P Invariants (semi-flows): 901/901 constraints, State Equation: 1903/1903 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 2621ms problems are : Problem set: 0 solved, 1 unsolved
Finished Parikh walk after 187779 steps, including 929 resets, run visited all 1 properties in 2808 ms. (steps per millisecond=66 )
FORMULA ShieldIIPt-PT-100A-ReachabilityCardinality-2024-02 TRUE TECHNIQUES PARIKH_WALK
Parikh walk visited 1 properties in 2815 ms.
ITS runner timed out or was interrupted.
ITS tools runner thread asked to quit. Dying gracefully.
All properties solved without resorting to model-checking.
Total runtime 18744 ms.

BK_STOP 1716948026044

--------------------
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
+ [[ ReachabilityCardinality = StateSpace ]]
+ /home/mcc/BenchKit/bin//../itstools/bin//..//runeclipse.sh /home/mcc/execution ReachabilityCardinality -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
+ export PYTHONPATH=/home/mcc/BenchKit/itstools/pylibs
+ PYTHONPATH=/home/mcc/BenchKit/itstools/pylibs
+ export LD_LIBRARY_PATH=/home/mcc/BenchKit/itstools/pylibs:
+ LD_LIBRARY_PATH=/home/mcc/BenchKit/itstools/pylibs:
++ sed s/.jar//
++ perl -pe 's/.*\.//g'
++ ls /home/mcc/BenchKit/bin//../itstools/bin//..//itstools/plugins/fr.lip6.move.gal.application.pnmcc_1.0.0.202405141337.jar
+ VERSION=202405141337
+ echo 'Running Version 202405141337'
+ /home/mcc/BenchKit/bin//../itstools/bin//..//itstools/its-tools -pnfolder /home/mcc/execution -examination ReachabilityCardinality -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="ShieldIIPt-PT-100A"
export BK_EXAMINATION="ReachabilityCardinality"
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 2-5568"
echo " Executing tool itstools"
echo " Input is ShieldIIPt-PT-100A, 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 r356-tall-171683760900342"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/ShieldIIPt-PT-100A.tgz
mv ShieldIIPt-PT-100A 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 ;