fond
Model Checking Contest 2022
12th edition, Bergen, Norway, June 21, 2022
Execution of r229-tall-165286034300407
Last Updated
Jun 22, 2022

About the Execution of ITS-Tools for ShieldPPPt-PT-030B

Execution Summary
Max Memory
Used (MB)
Time wait (ms) CPU Usage (ms) I/O Wait (ms) Computed Result Execution
Status
369.168 53647.00 68194.00 277.70 T normal

Execution Chart

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

Trace from the execution

Formatting '/data/fkordon/mcc2022-input.r229-tall-165286034300407.qcow2', fmt=qcow2 size=4294967296 backing_file=/data/fkordon/mcc2022-input.qcow2 cluster_size=65536 lazy_refcounts=off refcount_bits=16
Waiting for the VM to be ready (probing ssh)
..............
=====================================================================
Generated by BenchKit 2-4028
Executing tool itstools
Input is ShieldPPPt-PT-030B, examination is QuasiLiveness
Time confinement is 1800 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r229-tall-165286034300407
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 780K
-rw-r--r-- 1 mcc users 6.4K Apr 29 13:36 CTLCardinality.txt
-rw-r--r-- 1 mcc users 67K Apr 29 13:36 CTLCardinality.xml
-rw-r--r-- 1 mcc users 5.5K Apr 29 13:36 CTLFireability.txt
-rw-r--r-- 1 mcc users 48K Apr 29 13:36 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K May 10 09:34 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 3.5K May 9 08:55 LTLCardinality.txt
-rw-r--r-- 1 mcc users 24K May 9 08:55 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.2K May 9 08:55 LTLFireability.txt
-rw-r--r-- 1 mcc users 16K May 9 08:55 LTLFireability.xml
-rw-r--r-- 1 mcc users 1.6K May 9 08:55 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.7K May 9 08:55 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 May 10 09:34 equiv_col
-rw-r--r-- 1 mcc users 5 May 10 09:34 instance
-rw-r--r-- 1 mcc users 6 May 10 09:34 iscolored
-rw-r--r-- 1 mcc users 569K May 10 09:34 model.pnml

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

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

The expected result is a vector of booleans
BOOL_VECTOR

FORMULA_NAME QuasiLiveness

=== Now, execution of the tool begins

BK_START 1653035251723

Running Version 202205111006
[2022-05-20 08:27:32] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, QuasiLiveness, -spotpath, /home/mcc/BenchKit/bin//..//ltlfilt, -z3path, /home/mcc/BenchKit/bin//..//z3/bin/z3, -yices2path, /home/mcc/BenchKit/bin//..//yices/bin/yices, -its, -ltsmin, -greatspnpath, /home/mcc/BenchKit/bin//..//greatspn/, -order, META, -manyOrder, -smt, -timeout, 1800]
[2022-05-20 08:27:32] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2022-05-20 08:27:33] [INFO ] Load time of PNML (sax parser for PT used): 170 ms
[2022-05-20 08:27:33] [INFO ] Transformed 2343 places.
[2022-05-20 08:27:33] [INFO ] Transformed 2133 transitions.
[2022-05-20 08:27:33] [INFO ] Found NUPN structural information;
[2022-05-20 08:27:33] [INFO ] Parsed PT model containing 2343 places and 2133 transitions in 337 ms.
Starting structural reductions in LIVENESS mode, iteration 0 : 2343/2343 places, 2133/2133 transitions.
Drop transitions removed 573 transitions
Trivial Post-agglo rules discarded 573 transitions
Performed 573 trivial Post agglomeration. Transition count delta: 573
Iterating post reduction 0 with 573 rules applied. Total rules applied 573 place count 2343 transition count 1560
Reduce places removed 573 places and 0 transitions.
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Drop transitions removed 1 transitions
Trivial Post-agglo rules discarded 1 transitions
Performed 1 trivial Post agglomeration. Transition count delta: 1
Iterating post reduction 1 with 575 rules applied. Total rules applied 1148 place count 1770 transition count 1558
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 2 with 1 rules applied. Total rules applied 1149 place count 1769 transition count 1558
Performed 120 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 120 Pre rules applied. Total rules applied 1149 place count 1769 transition count 1438
Deduced a syphon composed of 120 places in 18 ms
Reduce places removed 120 places and 0 transitions.
Iterating global reduction 3 with 240 rules applied. Total rules applied 1389 place count 1649 transition count 1438
Discarding 210 places :
Symmetric choice reduction at 3 with 210 rule applications. Total rules 1599 place count 1439 transition count 1228
Iterating global reduction 3 with 210 rules applied. Total rules applied 1809 place count 1439 transition count 1228
Performed 90 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 90 Pre rules applied. Total rules applied 1809 place count 1439 transition count 1138
Deduced a syphon composed of 90 places in 6 ms
Reduce places removed 90 places and 0 transitions.
Iterating global reduction 3 with 180 rules applied. Total rules applied 1989 place count 1349 transition count 1138
Performed 509 Post agglomeration using F-continuation condition.Transition count delta: 509
Deduced a syphon composed of 509 places in 3 ms
Reduce places removed 509 places and 0 transitions.
Iterating global reduction 3 with 1018 rules applied. Total rules applied 3007 place count 840 transition count 629
Renaming transitions due to excessive name length > 1024 char.
Performed 89 Post agglomeration using F-continuation condition.Transition count delta: 0
Deduced a syphon composed of 89 places in 3 ms
Reduce places removed 89 places and 0 transitions.
Iterating global reduction 3 with 178 rules applied. Total rules applied 3185 place count 751 transition count 629
Applied a total of 3185 rules in 713 ms. Remains 751 /2343 variables (removed 1592) and now considering 629/2133 (removed 1504) transitions.
// Phase 1: matrix 629 rows 751 cols
[2022-05-20 08:27:34] [INFO ] Computed 331 place invariants in 23 ms
[2022-05-20 08:27:34] [INFO ] Implicit Places using invariants in 601 ms returned [744]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 628 ms to find 1 implicit places.
Starting structural reductions in LIVENESS mode, iteration 1 : 750/2343 places, 629/2133 transitions.
Performed 2 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 0 with 2 Pre rules applied. Total rules applied 0 place count 750 transition count 627
Deduced a syphon composed of 2 places in 5 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 0 with 4 rules applied. Total rules applied 4 place count 748 transition count 627
Applied a total of 4 rules in 28 ms. Remains 748 /750 variables (removed 2) and now considering 627/629 (removed 2) transitions.
// Phase 1: matrix 627 rows 748 cols
[2022-05-20 08:27:34] [INFO ] Computed 330 place invariants in 8 ms
[2022-05-20 08:27:35] [INFO ] Implicit Places using invariants in 390 ms returned [731, 735]
Discarding 2 places :
Implicit Place search using SMT only with invariants took 392 ms to find 2 implicit places.
Starting structural reductions in LIVENESS mode, iteration 2 : 746/2343 places, 627/2133 transitions.
Performed 2 Post agglomeration using F-continuation condition.Transition count delta: 2
Deduced a syphon composed of 2 places in 1 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 0 with 4 rules applied. Total rules applied 4 place count 744 transition count 625
Applied a total of 4 rules in 35 ms. Remains 744 /746 variables (removed 2) and now considering 625/627 (removed 2) transitions.
// Phase 1: matrix 625 rows 744 cols
[2022-05-20 08:27:35] [INFO ] Computed 328 place invariants in 8 ms
[2022-05-20 08:27:35] [INFO ] Implicit Places using invariants in 384 ms returned []
// Phase 1: matrix 625 rows 744 cols
[2022-05-20 08:27:35] [INFO ] Computed 328 place invariants in 4 ms
[2022-05-20 08:27:35] [INFO ] State equation strengthened by 208 read => feed constraints.
[2022-05-20 08:27:37] [INFO ] Implicit Places using invariants and state equation in 2241 ms returned []
Implicit Place search using SMT with State Equation took 2630 ms to find 0 implicit places.
Starting structural reductions in LIVENESS mode, iteration 3 : 744/2343 places, 625/2133 transitions.
Finished structural reductions, in 3 iterations. Remains : 744/2343 places, 625/2133 transitions.
Discarding 208 transitions out of 625. Remains 417
Initial state reduction rules removed 1 formulas.
Incomplete random walk after 10000 steps, including 2 resets, run finished after 756 ms. (steps per millisecond=13 ) properties (out of 416) seen :147
Incomplete Best-First random walk after 101 steps, including 2 resets, run finished after 3 ms. (steps per millisecond=33 ) properties (out of 269) seen :0
Incomplete Best-First random walk after 101 steps, including 2 resets, run finished after 5 ms. (steps per millisecond=20 ) properties (out of 269) seen :0
Incomplete Best-First random walk after 101 steps, including 2 resets, run finished after 5 ms. (steps per millisecond=20 ) properties (out of 269) seen :0
Incomplete Best-First random walk after 101 steps, including 2 resets, run finished after 5 ms. (steps per millisecond=20 ) properties (out of 269) seen :0
Incomplete Best-First random walk after 101 steps, including 2 resets, run finished after 3 ms. (steps per millisecond=33 ) properties (out of 269) seen :0
Incomplete Best-First random walk after 101 steps, including 2 resets, run finished after 3 ms. (steps per millisecond=33 ) properties (out of 269) seen :0
Incomplete Best-First random walk after 101 steps, including 2 resets, run finished after 3 ms. (steps per millisecond=33 ) properties (out of 269) seen :0
Incomplete Best-First random walk after 100 steps, including 2 resets, run finished after 3 ms. (steps per millisecond=33 ) properties (out of 269) seen :0
Incomplete Best-First random walk after 101 steps, including 2 resets, run finished after 3 ms. (steps per millisecond=33 ) properties (out of 269) seen :0
Incomplete Best-First random walk after 101 steps, including 2 resets, run finished after 2 ms. (steps per millisecond=50 ) properties (out of 269) seen :0
Incomplete Best-First random walk after 100 steps, including 2 resets, run finished after 2 ms. (steps per millisecond=50 ) properties (out of 269) seen :0
Incomplete Best-First random walk after 101 steps, including 2 resets, run finished after 3 ms. (steps per millisecond=33 ) properties (out of 269) seen :0
Incomplete Best-First random walk after 101 steps, including 2 resets, run finished after 3 ms. (steps per millisecond=33 ) properties (out of 269) seen :0
Incomplete Best-First random walk after 101 steps, including 2 resets, run finished after 3 ms. (steps per millisecond=33 ) properties (out of 269) seen :0
Incomplete Best-First random walk after 101 steps, including 2 resets, run finished after 3 ms. (steps per millisecond=33 ) properties (out of 269) seen :0
Incomplete Best-First random walk after 101 steps, including 2 resets, run finished after 2 ms. (steps per millisecond=50 ) properties (out of 269) seen :0
Incomplete Best-First random walk after 101 steps, including 2 resets, run finished after 3 ms. (steps per millisecond=33 ) properties (out of 269) seen :0
Incomplete Best-First random walk after 101 steps, including 2 resets, run finished after 3 ms. (steps per millisecond=33 ) properties (out of 269) seen :0
Incomplete Best-First random walk after 101 steps, including 2 resets, run finished after 3 ms. (steps per millisecond=33 ) properties (out of 269) seen :0
Incomplete Best-First random walk after 101 steps, including 2 resets, run finished after 2 ms. (steps per millisecond=50 ) properties (out of 269) seen :0
Incomplete Best-First random walk after 101 steps, including 2 resets, run finished after 3 ms. (steps per millisecond=33 ) properties (out of 269) seen :0
Incomplete Best-First random walk after 101 steps, including 2 resets, run finished after 3 ms. (steps per millisecond=33 ) properties (out of 269) seen :0
Incomplete Best-First random walk after 101 steps, including 2 resets, run finished after 3 ms. (steps per millisecond=33 ) properties (out of 269) seen :0
Incomplete Best-First random walk after 101 steps, including 2 resets, run finished after 3 ms. (steps per millisecond=33 ) properties (out of 269) seen :0
Incomplete Best-First random walk after 101 steps, including 2 resets, run finished after 2 ms. (steps per millisecond=50 ) properties (out of 269) seen :0
Incomplete Best-First random walk after 101 steps, including 2 resets, run finished after 2 ms. (steps per millisecond=50 ) properties (out of 269) seen :0
Incomplete Best-First random walk after 101 steps, including 2 resets, run finished after 3 ms. (steps per millisecond=33 ) properties (out of 269) seen :0
Incomplete Best-First random walk after 100 steps, including 2 resets, run finished after 3 ms. (steps per millisecond=33 ) properties (out of 269) seen :0
Incomplete Best-First random walk after 101 steps, including 2 resets, run finished after 3 ms. (steps per millisecond=33 ) properties (out of 269) seen :0
Incomplete Best-First random walk after 101 steps, including 2 resets, run finished after 2 ms. (steps per millisecond=50 ) properties (out of 269) seen :0
Incomplete Best-First random walk after 100 steps, including 2 resets, run finished after 3 ms. (steps per millisecond=33 ) properties (out of 269) seen :0
Incomplete Best-First random walk after 101 steps, including 2 resets, run finished after 3 ms. (steps per millisecond=33 ) properties (out of 269) seen :0
Incomplete Best-First random walk after 100 steps, including 2 resets, run finished after 3 ms. (steps per millisecond=33 ) properties (out of 269) seen :0
Incomplete Best-First random walk after 101 steps, including 2 resets, run finished after 3 ms. (steps per millisecond=33 ) properties (out of 269) seen :0
Incomplete Best-First random walk after 101 steps, including 2 resets, run finished after 2 ms. (steps per millisecond=50 ) properties (out of 269) seen :0
Incomplete Best-First random walk after 101 steps, including 2 resets, run finished after 3 ms. (steps per millisecond=33 ) properties (out of 269) seen :0
Incomplete Best-First random walk after 100 steps, including 2 resets, run finished after 3 ms. (steps per millisecond=33 ) properties (out of 269) seen :0
Incomplete Best-First random walk after 101 steps, including 2 resets, run finished after 3 ms. (steps per millisecond=33 ) properties (out of 269) seen :0
Incomplete Best-First random walk after 101 steps, including 2 resets, run finished after 3 ms. (steps per millisecond=33 ) properties (out of 269) seen :0
Incomplete Best-First random walk after 101 steps, including 2 resets, run finished after 2 ms. (steps per millisecond=50 ) properties (out of 269) seen :0
Incomplete Best-First random walk after 101 steps, including 2 resets, run finished after 3 ms. (steps per millisecond=33 ) properties (out of 269) seen :0
Incomplete Best-First random walk after 100 steps, including 2 resets, run finished after 3 ms. (steps per millisecond=33 ) properties (out of 269) seen :0
Incomplete Best-First random walk after 101 steps, including 2 resets, run finished after 2 ms. (steps per millisecond=50 ) properties (out of 269) seen :0
Incomplete Best-First random walk after 101 steps, including 2 resets, run finished after 3 ms. (steps per millisecond=33 ) properties (out of 269) seen :0
Incomplete Best-First random walk after 101 steps, including 2 resets, run finished after 3 ms. (steps per millisecond=33 ) properties (out of 269) seen :0
Incomplete Best-First random walk after 101 steps, including 2 resets, run finished after 3 ms. (steps per millisecond=33 ) properties (out of 269) seen :0
Incomplete Best-First random walk after 101 steps, including 2 resets, run finished after 3 ms. (steps per millisecond=33 ) properties (out of 269) seen :0
Incomplete Best-First random walk after 101 steps, including 2 resets, run finished after 3 ms. (steps per millisecond=33 ) properties (out of 269) seen :0
Incomplete Best-First random walk after 100 steps, including 2 resets, run finished after 3 ms. (steps per millisecond=33 ) properties (out of 269) seen :0
Incomplete Best-First random walk after 101 steps, including 2 resets, run finished after 3 ms. (steps per millisecond=33 ) properties (out of 269) seen :0
Running SMT prover for 269 properties.
// Phase 1: matrix 625 rows 744 cols
[2022-05-20 08:27:38] [INFO ] Computed 328 place invariants in 6 ms
[2022-05-20 08:27:42] [INFO ] [Real]Absence check using 328 positive place invariants in 47 ms returned sat
[2022-05-20 08:27:58] [INFO ] After 19977ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:269
[2022-05-20 08:28:01] [INFO ] [Nat]Absence check using 328 positive place invariants in 62 ms returned sat
[2022-05-20 08:28:20] [INFO ] After 15007ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :269
[2022-05-20 08:28:20] [INFO ] State equation strengthened by 208 read => feed constraints.
[2022-05-20 08:28:23] [INFO ] After 3694ms SMT Verify possible using 208 Read/Feed constraints in natural domain returned unsat :0 sat :268
[2022-05-20 08:28:23] [INFO ] After 3697ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :268
Attempting to minimize the solution found.
Minimization took 1 ms.
[2022-05-20 08:28:23] [INFO ] After 25019ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :268
Fused 269 Parikh solutions to 266 different solutions.
Finished Parikh walk after 22242 steps, including 22 resets, run visited all 3 properties in 173 ms. (steps per millisecond=128 )
Parikh walk visited 269 properties in 1572 ms.
Able to resolve query QuasiLiveness after proving 417 properties.
FORMULA QuasiLiveness TRUE TECHNIQUES RANDOM_WALK PARIKH_WALK TOPOLOGICAL INITIAL_STATE
Total runtime 52444 ms.

BK_STOP 1653035305370

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

+ export LANG=C
+ LANG=C
+ export BINDIR=/home/mcc/BenchKit/bin//../
+ BINDIR=/home/mcc/BenchKit/bin//../
++ pwd
+ export MODEL=/home/mcc/execution
+ MODEL=/home/mcc/execution
+ [[ QuasiLiveness = StateSpace ]]
+ /home/mcc/BenchKit/bin//..//runeclipse.sh /home/mcc/execution QuasiLiveness -its -ltsmin -greatspnpath /home/mcc/BenchKit/bin//..//greatspn/ -order META -manyOrder -smt -timeout 1800
+ ulimit -s 65536
+ export PYTHONPATH=/usr/lib/python3.9/site-packages/
+ PYTHONPATH=/usr/lib/python3.9/site-packages/
+ export LD_LIBRARY_PATH=/usr/local/lib:
+ LD_LIBRARY_PATH=/usr/local/lib:
+ [[ -z '' ]]
+ export LTSMIN_MEM_SIZE=8589934592
+ LTSMIN_MEM_SIZE=8589934592
++ sed s/.jar//
++ perl -pe 's/.*\.//g'
++ ls /home/mcc/BenchKit/bin//..//itstools/plugins/fr.lip6.move.gal.application.pnmcc_1.0.0.202205111006.jar
+ VERSION=202205111006
+ echo 'Running Version 202205111006'
+ /home/mcc/BenchKit/bin//..//itstools/its-tools -data @none -pnfolder /home/mcc/execution -examination QuasiLiveness -spotpath /home/mcc/BenchKit/bin//..//ltlfilt -z3path /home/mcc/BenchKit/bin//..//z3/bin/z3 -yices2path /home/mcc/BenchKit/bin//..//yices/bin/yices -its -ltsmin -greatspnpath /home/mcc/BenchKit/bin//..//greatspn/ -order META -manyOrder -smt -timeout 1800 -vmargs -Dosgi.locking=none -Declipse.stateSaveDelayInterval=-1 -Dosgi.configuration.area=@none -Xss128m -Xms40m -Xmx8192m

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="ShieldPPPt-PT-030B"
export BK_EXAMINATION="QuasiLiveness"
export BK_TOOL="itstools"
export BK_RESULT_DIR="/tmp/BK_RESULTS/OUTPUTS"
export BK_TIME_CONFINEMENT="1800"
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 2-4028"
echo " Executing tool itstools"
echo " Input is ShieldPPPt-PT-030B, examination is QuasiLiveness"
echo " Time confinement is $BK_TIME_CONFINEMENT seconds"
echo " Memory confinement is 16384 MBytes"
echo " Number of cores is 4"
echo " Run identifier is r229-tall-165286034300407"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/ShieldPPPt-PT-030B.tgz
mv ShieldPPPt-PT-030B execution
cd execution
if [ "QuasiLiveness" = "ReachabilityDeadlock" ] || [ "QuasiLiveness" = "UpperBounds" ] || [ "QuasiLiveness" = "QuasiLiveness" ] || [ "QuasiLiveness" = "StableMarking" ] || [ "QuasiLiveness" = "Liveness" ] || [ "QuasiLiveness" = "OneSafe" ] || [ "QuasiLiveness" = "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 [ "QuasiLiveness" = "UpperBounds" ] ; then
echo "The expected result is a vector of positive values"
echo NUM_VECTOR
elif [ "QuasiLiveness" != "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 "QuasiLiveness.txt" ] ; then
echo "here is the order used to build the result vector(from text file)"
for x in $(grep Property QuasiLiveness.txt | cut -d ' ' -f 2 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ -f "QuasiLiveness.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 '' QuasiLiveness.xml | cut -d '>' -f 2 | cut -d '<' -f 1 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ "QuasiLiveness" = "ReachabilityDeadlock" ] || [ "QuasiLiveness" = "QuasiLiveness" ] || [ "QuasiLiveness" = "StableMarking" ] || [ "QuasiLiveness" = "Liveness" ] || [ "QuasiLiveness" = "OneSafe" ] ; then
echo "FORMULA_NAME QuasiLiveness"
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 ;