fond
Model Checking Contest 2023
13th edition, Paris, France, April 26, 2023 (at TOOLympics II)
Execution of r137-smll-167819419100649
Last Updated
May 14, 2023

About the Execution of LTSMin+red for EGFr-PT-10420

Execution Summary
Max Memory
Used (MB)
Time wait (ms) CPU Usage (ms) I/O Wait (ms) Computed Result Execution
Status
246.415 7104.00 14416.00 451.70 TTTFTTFFTFTFTTTF normal

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.r137-smll-167819419100649.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)
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=====================================================================
Generated by BenchKit 2-5348
Executing tool ltsminxred
Input is EGFr-PT-10420, examination is CTLCardinality
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r137-smll-167819419100649
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 1.2M
-rw-r--r-- 1 mcc users 6.7K Feb 25 20:08 CTLCardinality.txt
-rw-r--r-- 1 mcc users 58K Feb 25 20:08 CTLCardinality.xml
-rw-r--r-- 1 mcc users 20K Feb 25 19:50 CTLFireability.txt
-rw-r--r-- 1 mcc users 76K Feb 25 19:50 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K Jan 29 11:40 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 6.4K Jan 29 11:40 GenericPropertiesVerdict.xml
-rw-r--r-- 1 mcc users 4.3K Feb 25 16:02 LTLCardinality.txt
-rw-r--r-- 1 mcc users 26K Feb 25 16:02 LTLCardinality.xml
-rw-r--r-- 1 mcc users 6.1K Feb 25 16:02 LTLFireability.txt
-rw-r--r-- 1 mcc users 21K Feb 25 16:02 LTLFireability.xml
-rw-r--r-- 1 mcc users 11K Feb 25 20:37 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 82K Feb 25 20:37 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 31K Feb 25 20:28 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 99K Feb 25 20:28 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.7K Feb 25 16:02 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.7K Feb 25 16:02 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 Mar 5 18:22 equiv_col
-rw-r--r-- 1 mcc users 6 Mar 5 18:22 instance
-rw-r--r-- 1 mcc users 6 Mar 5 18:22 iscolored
-rw-r--r-- 1 mcc users 681K Mar 5 18:22 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 EGFr-PT-10420-CTLCardinality-00
FORMULA_NAME EGFr-PT-10420-CTLCardinality-01
FORMULA_NAME EGFr-PT-10420-CTLCardinality-02
FORMULA_NAME EGFr-PT-10420-CTLCardinality-03
FORMULA_NAME EGFr-PT-10420-CTLCardinality-04
FORMULA_NAME EGFr-PT-10420-CTLCardinality-05
FORMULA_NAME EGFr-PT-10420-CTLCardinality-06
FORMULA_NAME EGFr-PT-10420-CTLCardinality-07
FORMULA_NAME EGFr-PT-10420-CTLCardinality-08
FORMULA_NAME EGFr-PT-10420-CTLCardinality-09
FORMULA_NAME EGFr-PT-10420-CTLCardinality-10
FORMULA_NAME EGFr-PT-10420-CTLCardinality-11
FORMULA_NAME EGFr-PT-10420-CTLCardinality-12
FORMULA_NAME EGFr-PT-10420-CTLCardinality-13
FORMULA_NAME EGFr-PT-10420-CTLCardinality-14
FORMULA_NAME EGFr-PT-10420-CTLCardinality-15

=== Now, execution of the tool begins

BK_START 1678997734232

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=ltsminxred
BK_EXAMINATION=CTLCardinality
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=EGFr-PT-10420
Applying reductions before tool ltsmin
Invoking reducer
Running Version 202303021504
[2023-03-16 20:15:36] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, CTLCardinality, -timeout, 360, -rebuildPNML]
[2023-03-16 20:15:36] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2023-03-16 20:15:37] [INFO ] Load time of PNML (sax parser for PT used): 146 ms
[2023-03-16 20:15:37] [INFO ] Transformed 208 places.
[2023-03-16 20:15:37] [INFO ] Transformed 378 transitions.
[2023-03-16 20:15:37] [INFO ] Found NUPN structural information;
[2023-03-16 20:15:37] [INFO ] Parsed PT model containing 208 places and 378 transitions and 3198 arcs in 258 ms.
Parsed 16 properties from file /home/mcc/execution/CTLCardinality.xml in 14 ms.
Deduced a syphon composed of 49 places in 3 ms
Reduce places removed 77 places and 239 transitions.
Reduce places removed 21 places and 0 transitions.
FORMULA EGFr-PT-10420-CTLCardinality-00 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA EGFr-PT-10420-CTLCardinality-02 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA EGFr-PT-10420-CTLCardinality-13 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA EGFr-PT-10420-CTLCardinality-14 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Support contains 28 out of 110 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 110/110 places, 139/139 transitions.
Applied a total of 0 rules in 21 ms. Remains 110 /110 variables (removed 0) and now considering 139/139 (removed 0) transitions.
[2023-03-16 20:15:37] [INFO ] Flow matrix only has 106 transitions (discarded 33 similar events)
// Phase 1: matrix 106 rows 110 cols
[2023-03-16 20:15:37] [INFO ] Computed 55 place invariants in 12 ms
[2023-03-16 20:15:37] [INFO ] Implicit Places using invariants in 459 ms returned []
[2023-03-16 20:15:37] [INFO ] Flow matrix only has 106 transitions (discarded 33 similar events)
[2023-03-16 20:15:37] [INFO ] Invariant cache hit.
[2023-03-16 20:15:37] [INFO ] State equation strengthened by 51 read => feed constraints.
[2023-03-16 20:15:38] [INFO ] Implicit Places using invariants and state equation in 324 ms returned []
Implicit Place search using SMT with State Equation took 827 ms to find 0 implicit places.
[2023-03-16 20:15:38] [INFO ] Flow matrix only has 106 transitions (discarded 33 similar events)
[2023-03-16 20:15:38] [INFO ] Invariant cache hit.
[2023-03-16 20:15:38] [INFO ] Dead Transitions using invariants and state equation in 234 ms found 0 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 1100 ms. Remains : 110/110 places, 139/139 transitions.
Support contains 28 out of 110 places after structural reductions.
[2023-03-16 20:15:38] [INFO ] Initial state reduction rules for CTL removed 5 formulas.
[2023-03-16 20:15:38] [INFO ] Flatten gal took : 49 ms
[2023-03-16 20:15:38] [INFO ] Initial state reduction rules for CTL removed 1 formulas.
FORMULA EGFr-PT-10420-CTLCardinality-12 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA EGFr-PT-10420-CTLCardinality-10 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA EGFr-PT-10420-CTLCardinality-09 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA EGFr-PT-10420-CTLCardinality-08 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA EGFr-PT-10420-CTLCardinality-05 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA EGFr-PT-10420-CTLCardinality-01 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
[2023-03-16 20:15:38] [INFO ] Flatten gal took : 23 ms
[2023-03-16 20:15:38] [INFO ] Input system was already deterministic with 139 transitions.
Support contains 16 out of 110 places (down from 28) after GAL structural reductions.
Finished random walk after 565 steps, including 0 resets, run visited all 14 properties in 65 ms. (steps per millisecond=8 )
[2023-03-16 20:15:38] [INFO ] Flatten gal took : 11 ms
[2023-03-16 20:15:38] [INFO ] Flatten gal took : 13 ms
[2023-03-16 20:15:38] [INFO ] Input system was already deterministic with 139 transitions.
Computed a total of 8 stabilizing places and 4 stable transitions
Starting structural reductions in LTL mode, iteration 0 : 110/110 places, 139/139 transitions.
Applied a total of 0 rules in 5 ms. Remains 110 /110 variables (removed 0) and now considering 139/139 (removed 0) transitions.
Finished structural reductions in LTL mode , in 1 iterations and 6 ms. Remains : 110/110 places, 139/139 transitions.
[2023-03-16 20:15:38] [INFO ] Flatten gal took : 10 ms
[2023-03-16 20:15:38] [INFO ] Flatten gal took : 12 ms
[2023-03-16 20:15:38] [INFO ] Input system was already deterministic with 139 transitions.
Starting structural reductions in LTL mode, iteration 0 : 110/110 places, 139/139 transitions.
Applied a total of 0 rules in 5 ms. Remains 110 /110 variables (removed 0) and now considering 139/139 (removed 0) transitions.
Finished structural reductions in LTL mode , in 1 iterations and 5 ms. Remains : 110/110 places, 139/139 transitions.
[2023-03-16 20:15:38] [INFO ] Flatten gal took : 10 ms
[2023-03-16 20:15:38] [INFO ] Flatten gal took : 13 ms
[2023-03-16 20:15:38] [INFO ] Input system was already deterministic with 139 transitions.
Starting structural reductions in LTL mode, iteration 0 : 110/110 places, 139/139 transitions.
Applied a total of 0 rules in 5 ms. Remains 110 /110 variables (removed 0) and now considering 139/139 (removed 0) transitions.
Finished structural reductions in LTL mode , in 1 iterations and 5 ms. Remains : 110/110 places, 139/139 transitions.
[2023-03-16 20:15:38] [INFO ] Flatten gal took : 10 ms
[2023-03-16 20:15:38] [INFO ] Flatten gal took : 12 ms
[2023-03-16 20:15:39] [INFO ] Input system was already deterministic with 139 transitions.
Starting structural reductions in LTL mode, iteration 0 : 110/110 places, 139/139 transitions.
Applied a total of 0 rules in 4 ms. Remains 110 /110 variables (removed 0) and now considering 139/139 (removed 0) transitions.
Finished structural reductions in LTL mode , in 1 iterations and 4 ms. Remains : 110/110 places, 139/139 transitions.
[2023-03-16 20:15:39] [INFO ] Flatten gal took : 9 ms
[2023-03-16 20:15:39] [INFO ] Flatten gal took : 11 ms
[2023-03-16 20:15:39] [INFO ] Input system was already deterministic with 139 transitions.
Starting structural reductions in SI_CTL mode, iteration 0 : 110/110 places, 139/139 transitions.
Applied a total of 0 rules in 18 ms. Remains 110 /110 variables (removed 0) and now considering 139/139 (removed 0) transitions.
Finished structural reductions in SI_CTL mode , in 1 iterations and 18 ms. Remains : 110/110 places, 139/139 transitions.
[2023-03-16 20:15:39] [INFO ] Flatten gal took : 9 ms
[2023-03-16 20:15:39] [INFO ] Flatten gal took : 11 ms
[2023-03-16 20:15:39] [INFO ] Input system was already deterministic with 139 transitions.
Starting structural reductions in LTL mode, iteration 0 : 110/110 places, 139/139 transitions.
Applied a total of 0 rules in 4 ms. Remains 110 /110 variables (removed 0) and now considering 139/139 (removed 0) transitions.
Finished structural reductions in LTL mode , in 1 iterations and 4 ms. Remains : 110/110 places, 139/139 transitions.
[2023-03-16 20:15:39] [INFO ] Flatten gal took : 9 ms
[2023-03-16 20:15:39] [INFO ] Flatten gal took : 11 ms
[2023-03-16 20:15:39] [INFO ] Input system was already deterministic with 139 transitions.
[2023-03-16 20:15:39] [INFO ] Flatten gal took : 9 ms
[2023-03-16 20:15:39] [INFO ] Flatten gal took : 9 ms
[2023-03-16 20:15:39] [INFO ] Export to MCC of 6 properties in file /home/mcc/execution/CTLCardinality.sr.xml took 2 ms.
[2023-03-16 20:15:39] [INFO ] Export to PNML in file /home/mcc/execution/model.sr.pnml of net with 110 places, 139 transitions and 632 arcs took 2 ms.
Total runtime 2401 ms.
There are residual formulas that ITS could not solve within timeout
pnml2lts-sym model.pnml --lace-workers=4 --vset=lddmc --saturation=sat -rbs,w2W,ru,hf --sylvan-sizes=20,28,20,28 --ctl=/tmp/461/ctl_0_ --ctl=/tmp/461/ctl_1_ --ctl=/tmp/461/ctl_2_ --ctl=/tmp/461/ctl_3_ --ctl=/tmp/461/ctl_4_ --ctl=/tmp/461/ctl_5_ --mu-par --mu-opt
FORMULA EGFr-PT-10420-CTLCardinality-03 FALSE TECHNIQUES DECISION_DIAGRAMS PARALLEL_PROCESSING USE_NUPN
FORMULA EGFr-PT-10420-CTLCardinality-04 TRUE TECHNIQUES DECISION_DIAGRAMS PARALLEL_PROCESSING USE_NUPN
FORMULA EGFr-PT-10420-CTLCardinality-06 FALSE TECHNIQUES DECISION_DIAGRAMS PARALLEL_PROCESSING USE_NUPN
FORMULA EGFr-PT-10420-CTLCardinality-07 FALSE TECHNIQUES DECISION_DIAGRAMS PARALLEL_PROCESSING USE_NUPN
FORMULA EGFr-PT-10420-CTLCardinality-11 FALSE TECHNIQUES DECISION_DIAGRAMS PARALLEL_PROCESSING USE_NUPN
FORMULA EGFr-PT-10420-CTLCardinality-15 FALSE TECHNIQUES DECISION_DIAGRAMS PARALLEL_PROCESSING USE_NUPN

BK_STOP 1678997741336

--------------------
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//
++ perl -pe 's/.*\.//g'
++ ls /home/mcc/BenchKit/bin//../reducer/bin//../../itstools//itstools/plugins/fr.lip6.move.gal.application.pnmcc_1.0.0.202303021504.jar
+ VERSION=202303021504
+ echo 'Running Version 202303021504'
+ /home/mcc/BenchKit/bin//../reducer/bin//../../itstools//itstools/its-tools -pnfolder /home/mcc/execution -examination CTLCardinality -timeout 360 -rebuildPNML
mcc2023
ctl formula name EGFr-PT-10420-CTLCardinality-03
ctl formula formula --ctl=/tmp/461/ctl_0_
ctl formula name EGFr-PT-10420-CTLCardinality-04
ctl formula formula --ctl=/tmp/461/ctl_1_
ctl formula name EGFr-PT-10420-CTLCardinality-06
ctl formula formula --ctl=/tmp/461/ctl_2_
ctl formula name EGFr-PT-10420-CTLCardinality-07
ctl formula formula --ctl=/tmp/461/ctl_3_
ctl formula name EGFr-PT-10420-CTLCardinality-11
ctl formula formula --ctl=/tmp/461/ctl_4_
ctl formula name EGFr-PT-10420-CTLCardinality-15
ctl formula formula --ctl=/tmp/461/ctl_5_
pnml2lts-sym: Exploration order is bfs-prev
pnml2lts-sym: Saturation strategy is sat
pnml2lts-sym: Guided search strategy is unguided
pnml2lts-sym: Attractor strategy is default
pnml2lts-sym: opening model.pnml
pnml2lts-sym: Edge label is id
Warning: program compiled against libxml 210 using older 209
pnml2lts-sym: Petri net has 110 places, 139 transitions and 632 arcs
pnml2lts-sym: Petri net Petri analyzed
pnml2lts-sym: There are no safe places
pnml2lts-sym: Loading Petri net took 0.000 real 0.000 user 0.010 sys
pnml2lts-sym: Initializing regrouping layer
pnml2lts-sym: Regroup specification: bs,w2W,ru,hf
pnml2lts-sym: Regroup Boost's Sloan
pnml2lts-sym: Regroup over-approximate must-write to may-write
pnml2lts-sym: Regroup Row sUbsume
pnml2lts-sym: Reqroup Horizontal Flip
pnml2lts-sym: Regrouping: 139->139 groups
pnml2lts-sym: Regrouping took 0.020 real 0.010 user 0.000 sys
pnml2lts-sym: state vector length is 110; there are 139 groups
pnml2lts-sym: Creating a multi-core ListDD domain.
pnml2lts-sym: Sylvan allocates 15.000 GB virtual memory for nodes table and operation cache.
pnml2lts-sym: Initial nodes table and operation cache requires 60.00 MB.
pnml2lts-sym: Using GBgetTransitionsShortR2W as next-state function
pnml2lts-sym: got initial state
pnml2lts-sym: parsing CTL formula
pnml2lts-sym: converting CTL to mu-calculus...
pnml2lts-sym: parsing CTL formula
pnml2lts-sym: converting CTL to mu-calculus...
pnml2lts-sym: parsing CTL formula
pnml2lts-sym: converting CTL to mu-calculus...
pnml2lts-sym: parsing CTL formula
pnml2lts-sym: converting CTL to mu-calculus...
pnml2lts-sym: parsing CTL formula
pnml2lts-sym: converting CTL to mu-calculus...
pnml2lts-sym: parsing CTL formula
pnml2lts-sym: converting CTL to mu-calculus...
pnml2lts-sym: Exploration took 5976 group checks and 0 next state calls
pnml2lts-sym: reachability took 0.050 real 0.200 user 0.040 sys
pnml2lts-sym: counting visited states...
pnml2lts-sym: counting took 0.000 real 0.000 user 0.000 sys
pnml2lts-sym: state space has 2.7021597764223e+16 states, 373 nodes
pnml2lts-sym: Formula /tmp/461/ctl_1_ holds for the initial state
pnml2lts-sym: Formula /tmp/461/ctl_0_ does not hold for the initial state
pnml2lts-sym: Formula /tmp/461/ctl_4_ does not hold for the initial state
pnml2lts-sym: Formula /tmp/461/ctl_2_ does not hold for the initial state
pnml2lts-sym: vset_sylvan: starting garbage collection
pnml2lts-sym: vset_sylvan: garbage collection done
pnml2lts-sym: Formula /tmp/461/ctl_3_ does not hold for the initial state
pnml2lts-sym: Formula /tmp/461/ctl_5_ does not hold for the initial state
pnml2lts-sym: group_next: 1049 nodes total
pnml2lts-sym: group_explored: 914 nodes, 1076 short vectors total
pnml2lts-sym: max token count: 1

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="EGFr-PT-10420"
export BK_EXAMINATION="CTLCardinality"
export BK_TOOL="ltsminxred"
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 ltsminxred"
echo " Input is EGFr-PT-10420, examination is CTLCardinality"
echo " Time confinement is $BK_TIME_CONFINEMENT seconds"
echo " Memory confinement is 16384 MBytes"
echo " Number of cores is 4"
echo " Run identifier is r137-smll-167819419100649"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/EGFr-PT-10420.tgz
mv EGFr-PT-10420 execution
cd execution
if [ "CTLCardinality" = "ReachabilityDeadlock" ] || [ "CTLCardinality" = "UpperBounds" ] || [ "CTLCardinality" = "QuasiLiveness" ] || [ "CTLCardinality" = "StableMarking" ] || [ "CTLCardinality" = "Liveness" ] || [ "CTLCardinality" = "OneSafe" ] || [ "CTLCardinality" = "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 [ "CTLCardinality" = "UpperBounds" ] ; then
echo "The expected result is a vector of positive values"
echo NUM_VECTOR
elif [ "CTLCardinality" != "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 "CTLCardinality.txt" ] ; then
echo "here is the order used to build the result vector(from text file)"
for x in $(grep Property CTLCardinality.txt | cut -d ' ' -f 2 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ -f "CTLCardinality.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 '' CTLCardinality.xml | cut -d '>' -f 2 | cut -d '<' -f 1 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ "CTLCardinality" = "ReachabilityDeadlock" ] || [ "CTLCardinality" = "QuasiLiveness" ] || [ "CTLCardinality" = "StableMarking" ] || [ "CTLCardinality" = "Liveness" ] || [ "CTLCardinality" = "OneSafe" ] ; then
echo "FORMULA_NAME CTLCardinality"
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 ;