Execution Chart

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

Trace from the execution

Formatting '/data/fkordon/mcc2023-input.r490-tall-167912708300202.qcow2', fmt=qcow2 size=4294967296 backing_file=/data/fkordon/mcc2023-input.qcow2 cluster_size=65536 lazy_refcounts=off refcount_bits=16
Waiting for the VM to be ready (probing ssh)
...........................................................
=====================================================================
Generated by BenchKit 2-5348
Executing tool marciexred
Input is Sudoku-PT-AN06, examination is CTLFireability
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r490-tall-167912708300202
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 6.5M
-rw-r--r-- 1 mcc users 106K Feb 26 09:25 CTLCardinality.txt
-rw-r--r-- 1 mcc users 549K Feb 26 09:25 CTLCardinality.xml
-rw-r--r-- 1 mcc users 266K Feb 26 09:21 CTLFireability.txt
-rw-r--r-- 1 mcc users 1.3M Feb 26 09:21 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K Jan 29 11:41 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 6.6K Jan 29 11:41 GenericPropertiesVerdict.xml
-rw-r--r-- 1 mcc users 40K Feb 25 17:16 LTLCardinality.txt
-rw-r--r-- 1 mcc users 144K Feb 25 17:16 LTLCardinality.xml
-rw-r--r-- 1 mcc users 101K Feb 25 17:16 LTLFireability.txt
-rw-r--r-- 1 mcc users 367K Feb 25 17:16 LTLFireability.xml
-rw-r--r-- 1 mcc users 351K Feb 26 09:33 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 1.8M Feb 26 09:33 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 221K Feb 26 09:26 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 1.1M Feb 26 09:26 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 16K Feb 25 17:16 UpperBounds.txt
-rw-r--r-- 1 mcc users 38K Feb 25 17:16 UpperBounds.xml
-rw-r--r-- 1 mcc users 5 Mar 5 18:23 equiv_col
-rw-r--r-- 1 mcc users 5 Mar 5 18:23 instance
-rw-r--r-- 1 mcc users 6 Mar 5 18:23 iscolored
-rw-r--r-- 1 mcc users 132K Mar 5 18:23 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 Sudoku-PT-AN06-CTLFireability-00
FORMULA_NAME Sudoku-PT-AN06-CTLFireability-01
FORMULA_NAME Sudoku-PT-AN06-CTLFireability-02
FORMULA_NAME Sudoku-PT-AN06-CTLFireability-03
FORMULA_NAME Sudoku-PT-AN06-CTLFireability-04
FORMULA_NAME Sudoku-PT-AN06-CTLFireability-05
FORMULA_NAME Sudoku-PT-AN06-CTLFireability-06
FORMULA_NAME Sudoku-PT-AN06-CTLFireability-07
FORMULA_NAME Sudoku-PT-AN06-CTLFireability-08
FORMULA_NAME Sudoku-PT-AN06-CTLFireability-09
FORMULA_NAME Sudoku-PT-AN06-CTLFireability-10
FORMULA_NAME Sudoku-PT-AN06-CTLFireability-11
FORMULA_NAME Sudoku-PT-AN06-CTLFireability-12
FORMULA_NAME Sudoku-PT-AN06-CTLFireability-13
FORMULA_NAME Sudoku-PT-AN06-CTLFireability-14
FORMULA_NAME Sudoku-PT-AN06-CTLFireability-15

=== Now, execution of the tool begins

BK_START 1679204112931

bash -c /home/mcc/BenchKit/BenchKit_head.sh 2> STDERR ; echo ; echo -n "BK_STOP " ; date -u +%s%3N
Invoking MCC driver with
BK_TOOL=marciexred
BK_EXAMINATION=CTLFireability
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=Sudoku-PT-AN06
Applying reductions before tool marcie
Invoking reducer
Running Version 202303021504
[2023-03-19 05:35:14] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, CTLFireability, -timeout, 360, -rebuildPNML]
[2023-03-19 05:35:14] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2023-03-19 05:35:14] [INFO ] Load time of PNML (sax parser for PT used): 58 ms
[2023-03-19 05:35:14] [INFO ] Transformed 324 places.
[2023-03-19 05:35:14] [INFO ] Transformed 216 transitions.
[2023-03-19 05:35:14] [INFO ] Parsed PT model containing 324 places and 216 transitions and 864 arcs in 123 ms.
Parsed 16 properties from file /home/mcc/execution/CTLFireability.xml in 54 ms.
Support contains 108 out of 324 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 324/324 places, 216/216 transitions.
Reduce places removed 216 places and 0 transitions.
Iterating post reduction 0 with 216 rules applied. Total rules applied 216 place count 108 transition count 216
Applied a total of 216 rules in 126 ms. Remains 108 /324 variables (removed 216) and now considering 216/216 (removed 0) transitions.
// Phase 1: matrix 216 rows 108 cols
[2023-03-19 05:35:15] [INFO ] Computed 17 place invariants in 25 ms
[2023-03-19 05:35:15] [INFO ] Implicit Places using invariants in 172 ms returned []
[2023-03-19 05:35:15] [INFO ] Invariant cache hit.
[2023-03-19 05:35:15] [INFO ] Implicit Places using invariants and state equation in 109 ms returned []
Implicit Place search using SMT with State Equation took 306 ms to find 0 implicit places.
[2023-03-19 05:35:15] [INFO ] Invariant cache hit.
[2023-03-19 05:35:15] [INFO ] Dead Transitions using invariants and state equation in 124 ms found 0 transitions.
Starting structural reductions in LTL mode, iteration 1 : 108/324 places, 216/216 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 557 ms. Remains : 108/324 places, 216/216 transitions.
Support contains 108 out of 108 places after structural reductions.
[2023-03-19 05:35:15] [INFO ] Flatten gal took : 156 ms
[2023-03-19 05:35:17] [INFO ] Flatten gal took : 159 ms
[2023-03-19 05:35:18] [INFO ] Input system was already deterministic with 216 transitions.
Incomplete random walk after 10000 steps, including 319 resets, run finished after 239 ms. (steps per millisecond=41 ) properties (out of 46) seen :45
Incomplete Best-First random walk after 10001 steps, including 5 resets, run finished after 631 ms. (steps per millisecond=15 ) properties (out of 1) seen :0
Running SMT prover for 1 properties.
[2023-03-19 05:35:19] [INFO ] Invariant cache hit.
[2023-03-19 05:35:19] [INFO ] After 70ms SMT Verify possible using all constraints in real domain returned unsat :1 sat :0
Fused 1 Parikh solutions to 0 different solutions.
Parikh walk visited 0 properties in 0 ms.
Successfully simplified 1 atomic propositions for a total of 16 simplifications.
[2023-03-19 05:35:20] [INFO ] Flatten gal took : 98 ms
[2023-03-19 05:35:21] [INFO ] Flatten gal took : 129 ms
[2023-03-19 05:35:22] [INFO ] Input system was already deterministic with 216 transitions.
Computed a total of 108 stabilizing places and 216 stable transitions
Complete graph has no SCC; deadlocks are unavoidable. place count 108 transition count 216
Detected that all paths lead to deadlock. Applying this knowledge to assert that all AP eventually converge (and all enablings converge to false).
AF dead knowledge conclusive for 1 formulas.
Starting structural reductions in LTL mode, iteration 0 : 108/108 places, 216/216 transitions.
Applied a total of 0 rules in 2 ms. Remains 108 /108 variables (removed 0) and now considering 216/216 (removed 0) transitions.
Finished structural reductions in LTL mode , in 1 iterations and 2 ms. Remains : 108/108 places, 216/216 transitions.
[2023-03-19 05:35:22] [INFO ] Flatten gal took : 17 ms
[2023-03-19 05:35:22] [INFO ] Flatten gal took : 23 ms
[2023-03-19 05:35:22] [INFO ] Input system was already deterministic with 216 transitions.
Starting structural reductions in SI_CTL mode, iteration 0 : 108/108 places, 216/216 transitions.
Applied a total of 0 rules in 6 ms. Remains 108 /108 variables (removed 0) and now considering 216/216 (removed 0) transitions.
Finished structural reductions in SI_CTL mode , in 1 iterations and 6 ms. Remains : 108/108 places, 216/216 transitions.
[2023-03-19 05:35:22] [INFO ] Flatten gal took : 12 ms
[2023-03-19 05:35:22] [INFO ] Flatten gal took : 19 ms
[2023-03-19 05:35:22] [INFO ] Input system was already deterministic with 216 transitions.
Starting structural reductions in SI_CTL mode, iteration 0 : 108/108 places, 216/216 transitions.
Applied a total of 0 rules in 4 ms. Remains 108 /108 variables (removed 0) and now considering 216/216 (removed 0) transitions.
Finished structural reductions in SI_CTL mode , in 1 iterations and 4 ms. Remains : 108/108 places, 216/216 transitions.
[2023-03-19 05:35:22] [INFO ] Flatten gal took : 15 ms
[2023-03-19 05:35:22] [INFO ] Flatten gal took : 18 ms
[2023-03-19 05:35:22] [INFO ] Input system was already deterministic with 216 transitions.
Starting structural reductions in SI_CTL mode, iteration 0 : 108/108 places, 216/216 transitions.
Applied a total of 0 rules in 3 ms. Remains 108 /108 variables (removed 0) and now considering 216/216 (removed 0) transitions.
Finished structural reductions in SI_CTL mode , in 1 iterations and 3 ms. Remains : 108/108 places, 216/216 transitions.
[2023-03-19 05:35:22] [INFO ] Flatten gal took : 22 ms
[2023-03-19 05:35:22] [INFO ] Flatten gal took : 31 ms
[2023-03-19 05:35:22] [INFO ] Input system was already deterministic with 216 transitions.
Starting structural reductions in LTL mode, iteration 0 : 108/108 places, 216/216 transitions.
Applied a total of 0 rules in 1 ms. Remains 108 /108 variables (removed 0) and now considering 216/216 (removed 0) transitions.
Finished structural reductions in LTL mode , in 1 iterations and 1 ms. Remains : 108/108 places, 216/216 transitions.
[2023-03-19 05:35:23] [INFO ] Flatten gal took : 13 ms
[2023-03-19 05:35:23] [INFO ] Flatten gal took : 18 ms
[2023-03-19 05:35:23] [INFO ] Input system was already deterministic with 216 transitions.
Starting structural reductions in LTL mode, iteration 0 : 108/108 places, 216/216 transitions.
Applied a total of 0 rules in 8 ms. Remains 108 /108 variables (removed 0) and now considering 216/216 (removed 0) transitions.
Finished structural reductions in LTL mode , in 1 iterations and 8 ms. Remains : 108/108 places, 216/216 transitions.
[2023-03-19 05:35:23] [INFO ] Flatten gal took : 27 ms
[2023-03-19 05:35:23] [INFO ] Flatten gal took : 36 ms
[2023-03-19 05:35:23] [INFO ] Input system was already deterministic with 216 transitions.
Starting structural reductions in LTL mode, iteration 0 : 108/108 places, 216/216 transitions.
Applied a total of 0 rules in 1 ms. Remains 108 /108 variables (removed 0) and now considering 216/216 (removed 0) transitions.
Finished structural reductions in LTL mode , in 1 iterations and 1 ms. Remains : 108/108 places, 216/216 transitions.
[2023-03-19 05:35:23] [INFO ] Flatten gal took : 19 ms
[2023-03-19 05:35:23] [INFO ] Flatten gal took : 29 ms
[2023-03-19 05:35:23] [INFO ] Input system was already deterministic with 216 transitions.
Starting structural reductions in LTL mode, iteration 0 : 108/108 places, 216/216 transitions.
Applied a total of 0 rules in 1 ms. Remains 108 /108 variables (removed 0) and now considering 216/216 (removed 0) transitions.
Finished structural reductions in LTL mode , in 1 iterations and 1 ms. Remains : 108/108 places, 216/216 transitions.
[2023-03-19 05:35:23] [INFO ] Flatten gal took : 14 ms
[2023-03-19 05:35:23] [INFO ] Flatten gal took : 19 ms
[2023-03-19 05:35:23] [INFO ] Input system was already deterministic with 216 transitions.
Starting structural reductions in LTL mode, iteration 0 : 108/108 places, 216/216 transitions.
Applied a total of 0 rules in 9 ms. Remains 108 /108 variables (removed 0) and now considering 216/216 (removed 0) transitions.
Finished structural reductions in LTL mode , in 1 iterations and 11 ms. Remains : 108/108 places, 216/216 transitions.
[2023-03-19 05:35:23] [INFO ] Flatten gal took : 7 ms
[2023-03-19 05:35:23] [INFO ] Flatten gal took : 8 ms
[2023-03-19 05:35:23] [INFO ] Input system was already deterministic with 216 transitions.
Starting structural reductions in LTL mode, iteration 0 : 108/108 places, 216/216 transitions.
Applied a total of 0 rules in 5 ms. Remains 108 /108 variables (removed 0) and now considering 216/216 (removed 0) transitions.
Finished structural reductions in LTL mode , in 1 iterations and 5 ms. Remains : 108/108 places, 216/216 transitions.
[2023-03-19 05:35:23] [INFO ] Flatten gal took : 8 ms
[2023-03-19 05:35:23] [INFO ] Flatten gal took : 9 ms
[2023-03-19 05:35:23] [INFO ] Input system was already deterministic with 216 transitions.
Starting structural reductions in LTL mode, iteration 0 : 108/108 places, 216/216 transitions.
Applied a total of 0 rules in 9 ms. Remains 108 /108 variables (removed 0) and now considering 216/216 (removed 0) transitions.
Finished structural reductions in LTL mode , in 1 iterations and 9 ms. Remains : 108/108 places, 216/216 transitions.
[2023-03-19 05:35:23] [INFO ] Flatten gal took : 7 ms
[2023-03-19 05:35:23] [INFO ] Flatten gal took : 8 ms
[2023-03-19 05:35:23] [INFO ] Input system was already deterministic with 216 transitions.
Starting structural reductions in LTL mode, iteration 0 : 108/108 places, 216/216 transitions.
Applied a total of 0 rules in 3 ms. Remains 108 /108 variables (removed 0) and now considering 216/216 (removed 0) transitions.
Finished structural reductions in LTL mode , in 1 iterations and 4 ms. Remains : 108/108 places, 216/216 transitions.
[2023-03-19 05:35:23] [INFO ] Flatten gal took : 7 ms
[2023-03-19 05:35:23] [INFO ] Flatten gal took : 7 ms
[2023-03-19 05:35:23] [INFO ] Input system was already deterministic with 216 transitions.
Starting structural reductions in LTL mode, iteration 0 : 108/108 places, 216/216 transitions.
Applied a total of 0 rules in 3 ms. Remains 108 /108 variables (removed 0) and now considering 216/216 (removed 0) transitions.
Finished structural reductions in LTL mode , in 1 iterations and 3 ms. Remains : 108/108 places, 216/216 transitions.
[2023-03-19 05:35:23] [INFO ] Flatten gal took : 8 ms
[2023-03-19 05:35:23] [INFO ] Flatten gal took : 7 ms
[2023-03-19 05:35:23] [INFO ] Input system was already deterministic with 216 transitions.
Starting structural reductions in LTL mode, iteration 0 : 108/108 places, 216/216 transitions.
Applied a total of 0 rules in 3 ms. Remains 108 /108 variables (removed 0) and now considering 216/216 (removed 0) transitions.
Finished structural reductions in LTL mode , in 1 iterations and 3 ms. Remains : 108/108 places, 216/216 transitions.
[2023-03-19 05:35:23] [INFO ] Flatten gal took : 6 ms
[2023-03-19 05:35:23] [INFO ] Flatten gal took : 6 ms
[2023-03-19 05:35:23] [INFO ] Input system was already deterministic with 216 transitions.
Starting structural reductions in SI_CTL mode, iteration 0 : 108/108 places, 216/216 transitions.
Applied a total of 0 rules in 4 ms. Remains 108 /108 variables (removed 0) and now considering 216/216 (removed 0) transitions.
Finished structural reductions in SI_CTL mode , in 1 iterations and 4 ms. Remains : 108/108 places, 216/216 transitions.
[2023-03-19 05:35:23] [INFO ] Flatten gal took : 6 ms
[2023-03-19 05:35:23] [INFO ] Flatten gal took : 7 ms
[2023-03-19 05:35:23] [INFO ] Input system was already deterministic with 216 transitions.
Starting structural reductions in SI_CTL mode, iteration 0 : 108/108 places, 216/216 transitions.
Applied a total of 0 rules in 4 ms. Remains 108 /108 variables (removed 0) and now considering 216/216 (removed 0) transitions.
Finished structural reductions in SI_CTL mode , in 1 iterations and 5 ms. Remains : 108/108 places, 216/216 transitions.
[2023-03-19 05:35:23] [INFO ] Flatten gal took : 6 ms
[2023-03-19 05:35:23] [INFO ] Flatten gal took : 7 ms
[2023-03-19 05:35:23] [INFO ] Input system was already deterministic with 216 transitions.
[2023-03-19 05:35:24] [INFO ] Flatten gal took : 127 ms
[2023-03-19 05:35:25] [INFO ] Flatten gal took : 123 ms
[2023-03-19 05:35:26] [INFO ] Export to MCC of 16 properties in file /home/mcc/execution/CTLFireability.sr.xml took 57 ms.
[2023-03-19 05:35:26] [INFO ] Export to PNML in file /home/mcc/execution/model.sr.pnml of net with 108 places, 216 transitions and 648 arcs took 1 ms.
Total runtime 12159 ms.
There are residual formulas that ITS could not solve within timeout
timeout --kill-after=10s --signal=SIGINT 1m for testing only

Marcie built on Linux at 2019-11-18.
A model checker for Generalized Stochastic Petri nets

authors: Alex Tovchigrechko (IDD package and CTL model checking)

Martin Schwarick (Symbolic numerical analysis and CSL model checking)

Christian Rohr (Simulative and approximative numerical model checking)

marcie@informatik.tu-cottbus.de

called as: /home/mcc/BenchKit/bin//../reducer/bin//../../marcie/bin/marcie --net-file=model.pnml --mcc-file=CTLFireability.xml --memory=6 --mcc-mode

parse successfull
net created successfully

Net: Petri
(NrP: 108 NrTr: 216 NrArc: 648)

parse formulas
formulas created successfully
place and transition orderings generation:0m 0.032sec

net check time: 0m 0.000sec

init dd package: 0m 2.712sec

TIME LIMIT: Killed by timeout after 3600 seconds
MemTotal: 16393216 kB
MemFree: 8215808 kB
After kill :
MemTotal: 16393216 kB
MemFree: 16085456 kB

BK_TIME_CONFINEMENT_REACHED

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

+ 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//
++ ls /home/mcc/BenchKit/bin//../reducer/bin//../../itstools//itstools/plugins/fr.lip6.move.gal.application.pnmcc_1.0.0.202303021504.jar
++ perl -pe 's/.*\.//g'
+ VERSION=202303021504
+ echo 'Running Version 202303021504'
+ /home/mcc/BenchKit/bin//../reducer/bin//../../itstools//itstools/its-tools -pnfolder /home/mcc/execution -examination CTLFireability -timeout 360 -rebuildPNML
check for maximal unmarked siphon
ok
check for constant places
ok
check if there are places and transitions
ok
check if there are transitions without pre-places
ok
check if at least one transition is enabled in m0
ok
check if there are transitions that can never fire
ok


initing FirstDep: 0m 0.000sec

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="Sudoku-PT-AN06"
export BK_EXAMINATION="CTLFireability"
export BK_TOOL="marciexred"
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 2-5348"
echo " Executing tool marciexred"
echo " Input is Sudoku-PT-AN06, 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 r490-tall-167912708300202"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/Sudoku-PT-AN06.tgz
mv Sudoku-PT-AN06 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 ;