Execution Chart

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

Trace from the execution

Formatting '/data/fkordon/mcc2026-input.r152-tall-177961077500347.qcow2', fmt=qcow2 size=4294967296 backing_file=/data/fkordon/mcc2026-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 2-5973
Executing tool itstools
Input is HealthRecord-PT-03, examination is QuasiLiveness
Time confinement is 1800 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r152-tall-177961077500347
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 448K
-rw-r--r-- 1 mcc users 6.2K Mar 7 13:23 CTLCardinality.txt
-rw-r--r-- 1 mcc users 67K Mar 7 13:23 CTLCardinality.xml
-rw-r--r-- 1 mcc users 5.5K Mar 7 13:22 CTLFireability.txt
-rw-r--r-- 1 mcc users 49K Mar 7 13:22 CTLFireability.xml
-rw-r--r-- 1 mcc users 3.9K Mar 15 10:41 LTLCardinality.txt
-rw-r--r-- 1 mcc users 31K Mar 15 10:41 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.2K Mar 15 10:41 LTLFireability.txt
-rw-r--r-- 1 mcc users 17K Mar 15 10:41 LTLFireability.xml
-rw-r--r-- 1 mcc users 7.3K Mar 7 13:23 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 70K Mar 7 13:23 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 9.7K Mar 7 13:23 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 87K Mar 7 13:23 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.6K Mar 15 10:41 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.7K Mar 15 10:41 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 Mar 3 18:30 equiv_col
-rw-r--r-- 1 mcc users 3 Mar 3 18:30 instance
-rw-r--r-- 1 mcc users 6 Mar 3 18:30 iscolored
-rw-r--r-- 1 mcc users 49K Mar 3 18:30 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 1779701138958

Invoking MCC driver with
BK_TOOL=itstools
BK_EXAMINATION=QuasiLiveness
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=1800
BK_INPUT=HealthRecord-PT-03
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
QuasiLiveness PT
Running Version 202604301425
[2026-05-25 09:25:40] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, QuasiLiveness, -its, -ltsmin, -greatspnpath, /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/, -order, META, -manyOrder, -smt, -timeout, 1800]
[2026-05-25 09:25:40] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-05-25 09:25:40] [INFO ] Load time of PNML (sax parser for PT used): 61 ms
[2026-05-25 09:25:40] [INFO ] Transformed 121 places.
[2026-05-25 09:25:40] [INFO ] Transformed 232 transitions.
[2026-05-25 09:25:40] [INFO ] Found NUPN structural information;
[2026-05-25 09:25:40] [INFO ] Parsed PT model containing 121 places and 232 transitions and 597 arcs in 148 ms.
Starting structural reductions in LIVENESS mode, iteration 0 : 121/121 places, 232/232 transitions.
Graph (trivial) has 186 edges and 121 vertex of which 10 / 121 are part of one of the 5 SCC in 6 ms
Free SCC test removed 5 places
Ensure Unique test removed 12 transitions
Reduce isomorphic transitions removed 12 transitions.
Performed 45 Post agglomeration using F-continuation condition.Transition count delta: 45
Deduced a syphon composed of 45 places in 1 ms
Reduce places removed 45 places and 0 transitions.
Iterating global reduction 0 with 90 rules applied. Total rules applied 91 place count 71 transition count 175
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 0 with 1 rules applied. Total rules applied 92 place count 71 transition count 174
Performed 15 Post agglomeration using F-continuation condition.Transition count delta: -9
Deduced a syphon composed of 15 places in 0 ms
Reduce places removed 15 places and 0 transitions.
Iterating global reduction 1 with 30 rules applied. Total rules applied 122 place count 56 transition count 183
Applied a total of 122 rules in 47 ms. Remains 56 /121 variables (removed 65) and now considering 183/232 (removed 49) transitions.
[2026-05-25 09:25:40] [INFO ] Flow matrix only has 152 transitions (discarded 31 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-1524798050007599707.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-7798916418472574279.kers'
[2026-05-25 09:25:40] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-1524798050007599707.kers, --Pflows, --basisKERS=/tmp/petrispot-output-7798916418472574279.kers]
Normalized transition count is 151 out of 152 initially.
Culling duplicate invariants (modulo rational): removing 5 columns.
Culled 5 columns in 0 ms.
// Phase 1: matrix 151 rows 51 cols 569 entries
Finished phase 1 with 40 SingleSign rule and 2 generalized
[2026-05-25 09:25:40] [INFO ] Computed 14 invariants in 1 ms
Computed 14 P flows in 2 ms.
Exported basis to /tmp/petrispot-output-7798916418472574279.kers
Total runtime 2 ms.
[2026-05-25 09:25:40] [INFO ] Implicit Places using invariants in 239 ms returned []
[2026-05-25 09:25:40] [INFO ] Flow matrix only has 152 transitions (discarded 31 similar events)
[2026-05-25 09:25:40] [INFO ] Invariant cache hit.
[2026-05-25 09:25:40] [INFO ] State equation strengthened by 36 read => feed constraints.
[2026-05-25 09:25:40] [INFO ] Implicit Places using invariants and state equation in 140 ms returned []
Implicit Place search using SMT with State Equation took 411 ms to find 0 implicit places.
Running 167 sub problems to find dead transitions.
[2026-05-25 09:25:40] [INFO ] Flow matrix only has 152 transitions (discarded 31 similar events)
[2026-05-25 09:25:40] [INFO ] Invariant cache hit.
[2026-05-25 09:25:40] [INFO ] State equation strengthened by 36 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/55 variables, 55/55 constraints. Problems are: Problem set: 0 solved, 167 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/55 variables, 6/61 constraints. Problems are: Problem set: 0 solved, 167 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/55 variables, 0/61 constraints. Problems are: Problem set: 0 solved, 167 unsolved
At refinement iteration 3 (OVERLAPS) 1/56 variables, 7/68 constraints. Problems are: Problem set: 0 solved, 167 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/56 variables, 1/69 constraints. Problems are: Problem set: 0 solved, 167 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/56 variables, 1/70 constraints. Problems are: Problem set: 0 solved, 167 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/56 variables, 5/75 constraints. Problems are: Problem set: 0 solved, 167 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/56 variables, 0/75 constraints. Problems are: Problem set: 0 solved, 167 unsolved
At refinement iteration 8 (OVERLAPS) 151/207 variables, 56/131 constraints. Problems are: Problem set: 0 solved, 167 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/207 variables, 35/166 constraints. Problems are: Problem set: 0 solved, 167 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/207 variables, 0/166 constraints. Problems are: Problem set: 0 solved, 167 unsolved
At refinement iteration 11 (OVERLAPS) 1/208 variables, 1/167 constraints. Problems are: Problem set: 0 solved, 167 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/208 variables, 0/167 constraints. Problems are: Problem set: 0 solved, 167 unsolved
At refinement iteration 13 (OVERLAPS) 0/208 variables, 0/167 constraints. Problems are: Problem set: 0 solved, 167 unsolved
No progress, stopping.
After SMT solving in domain Real declared 208/208 variables, and 167 constraints, problems are : Problem set: 0 solved, 167 unsolved in 8406 ms.
Refiners :[Domain max(s): 56/56 constraints, Positive P Invariants (semi-flows): 7/7 constraints, Generalized P Invariants (flows): 7/7 constraints, State Equation: 56/56 constraints, ReadFeed: 36/36 constraints, PredecessorRefiner: 167/167 constraints, Known Traps: 5/5 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 167 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/55 variables, 55/55 constraints. Problems are: Problem set: 0 solved, 167 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/55 variables, 6/61 constraints. Problems are: Problem set: 0 solved, 167 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/55 variables, 0/61 constraints. Problems are: Problem set: 0 solved, 167 unsolved
At refinement iteration 3 (OVERLAPS) 1/56 variables, 7/68 constraints. Problems are: Problem set: 0 solved, 167 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/56 variables, 1/69 constraints. Problems are: Problem set: 0 solved, 167 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/56 variables, 1/70 constraints. Problems are: Problem set: 0 solved, 167 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/56 variables, 5/75 constraints. Problems are: Problem set: 0 solved, 167 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/56 variables, 0/75 constraints. Problems are: Problem set: 0 solved, 167 unsolved
At refinement iteration 8 (OVERLAPS) 151/207 variables, 56/131 constraints. Problems are: Problem set: 0 solved, 167 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/207 variables, 35/166 constraints. Problems are: Problem set: 0 solved, 167 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/207 variables, 167/333 constraints. Problems are: Problem set: 0 solved, 167 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/207 variables, 0/333 constraints. Problems are: Problem set: 0 solved, 167 unsolved
At refinement iteration 12 (OVERLAPS) 1/208 variables, 1/334 constraints. Problems are: Problem set: 0 solved, 167 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/208 variables, 0/334 constraints. Problems are: Problem set: 0 solved, 167 unsolved
At refinement iteration 14 (OVERLAPS) 0/208 variables, 0/334 constraints. Problems are: Problem set: 0 solved, 167 unsolved
No progress, stopping.
After SMT solving in domain Int declared 208/208 variables, and 334 constraints, problems are : Problem set: 0 solved, 167 unsolved in 29244 ms.
Refiners :[Domain max(s): 56/56 constraints, Positive P Invariants (semi-flows): 7/7 constraints, Generalized P Invariants (flows): 7/7 constraints, State Equation: 56/56 constraints, ReadFeed: 36/36 constraints, PredecessorRefiner: 167/167 constraints, Known Traps: 5/5 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 37787ms problems are : Problem set: 0 solved, 167 unsolved
Search for dead transitions found 0 dead transitions in 37802ms
Starting structural reductions in LIVENESS mode, iteration 1 : 56/121 places, 183/232 transitions.
Finished structural reductions in LIVENESS mode , in 1 iterations and 38301 ms. Remains : 56/121 places, 183/232 transitions.
Discarding 136 transitions out of 183. Remains 47
Initial state reduction rules removed 1 formulas.
RANDOM walk for 40000 steps (5559 resets) in 1624 ms. (24 steps per ms) remains 7/46 properties
BEST_FIRST walk for 40004 steps (811 resets) in 137 ms. (289 steps per ms) remains 5/7 properties
BEST_FIRST walk for 40002 steps (797 resets) in 65 ms. (606 steps per ms) remains 5/5 properties
BEST_FIRST walk for 40003 steps (1139 resets) in 123 ms. (322 steps per ms) remains 5/5 properties
BEST_FIRST walk for 40004 steps (763 resets) in 101 ms. (392 steps per ms) remains 4/5 properties
BEST_FIRST walk for 40004 steps (778 resets) in 93 ms. (425 steps per ms) remains 3/4 properties
[2026-05-25 09:26:19] [INFO ] Flow matrix only has 152 transitions (discarded 31 similar events)
[2026-05-25 09:26:19] [INFO ] Invariant cache hit.
[2026-05-25 09:26:19] [INFO ] State equation strengthened by 36 read => feed constraints.
[2026-05-25 09:26:19] [INFO ] Flatten gal took : 131 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/10 variables, 10/10 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/10 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 2 (OVERLAPS) 14/24 variables, 7/17 constraints. Problems are: Problem set: 0 solved, 3 unsolved
[2026-05-25 09:26:19] [INFO ] Flatten gal took : 31 ms
At refinement iteration 3 (INCLUDED_ONLY) 0/24 variables, 14/31 constraints. Problems are: Problem set: 0 solved, 3 unsolved
[2026-05-25 09:26:19] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality12198331391125135249.gal : 23 ms
[2026-05-25 09:26:19] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality3190942822386379728.prop : 2 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202604301425/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality12198331391125135249.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality3190942822386379728.prop' '--nowitness' '--gen-order' 'FOLLOW'

its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202604301425/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...329
At refinement iteration 4 (INCLUDED_ONLY) 0/24 variables, 1/32 constraints. Problems are: Problem set: 0 solved, 3 unsolved
Loading property file /tmp/ReachabilityCardinality3190942822386379728.prop.
At refinement iteration 5 (INCLUDED_ONLY) 0/24 variables, 0/32 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 6 (OVERLAPS) 32/56 variables, 7/39 constraints. Problems are: Problem set: 0 solved, 3 unsolved
SDD proceeding with computation,3 properties remain. new max is 4
SDD size :1 after 17
SDD proceeding with computation,3 properties remain. new max is 8
SDD size :17 after 49
SDD proceeding with computation,3 properties remain. new max is 16
SDD size :49 after 337
At refinement iteration 7 (INCLUDED_ONLY) 0/56 variables, 32/71 constraints. Problems are: Problem set: 0 solved, 3 unsolved
SDD proceeding with computation,3 properties remain. new max is 32
SDD size :337 after 2353
Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
petri\_inst\_inst,6246,0.060339,5540,2,572,9,3114,9,0,391,1623,0
Total reachable state count : 6246

Verifying 3 reachability properties.
Reachability property qltransition_7 is true.

Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
qltransition\_7,1,0.06062,5540,2,57,9,3114,9,0,393,1623,0
Reachability property qltransition_45 is true.

Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
qltransition\_45,1,0.060769,5540,2,57,9,3114,9,0,394,1623,0
Reachability property qltransition_115 is true.

Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
qltransition\_115,1,0.061552,5540,2,57,9,3114,9,0,408,1623,0
After SMT solving in domain Real declared 56/208 variables, and 72 constraints, problems are : Problem set: 3 solved, 0 unsolved in 273 ms.
Refiners :[Domain max(s): 56/56 constraints, Positive P Invariants (semi-flows): 7/7 constraints, Generalized P Invariants (flows): 7/7 constraints, State Equation: 0/56 constraints, ReadFeed: 0/36 constraints, PredecessorRefiner: 3/3 constraints, Known Traps: 2/2 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 278ms problems are : Problem set: 3 solved, 0 unsolved
Skipping Parikh replay, no witness traces provided.
Able to resolve query QuasiLiveness after proving 47 properties.
FORMULA QuasiLiveness TRUE TECHNIQUES RANDOM_WALK DECISION_DIAGRAMS COLLATERAL_PROCESSING BESTFIRST_WALK TOPOLOGICAL INITIAL_STATE
Total runtime 39528 ms.

BK_STOP 1779701179647

--------------------
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
+ [[ QuasiLiveness = StateSpace ]]
+ /home/mcc/BenchKit/bin//../itstools/bin//..//runeclipse.sh /home/mcc/execution QuasiLiveness -its -ltsmin -greatspnpath /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/ -order META -manyOrder -smt -timeout 1800
+ ulimit -s 65536
+ [[ -z '' ]]
+ export LTSMIN_MEM_SIZE=8589934592
+ LTSMIN_MEM_SIZE=8589934592
++ sed s/.jar//
++ perl -pe 's/.*\.//g'
++ ls /home/mcc/BenchKit/bin//../itstools/bin//..//itstools/plugins/fr.lip6.move.gal.application.pnmcc_1.0.0.202604301425.jar
+ VERSION=202604301425
+ echo 'Running Version 202604301425'
+ /home/mcc/BenchKit/bin//../itstools/bin//..//itstools/its-tools -pnfolder /home/mcc/execution -examination QuasiLiveness -its -ltsmin -greatspnpath /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/ -order META -manyOrder -smt -timeout 1800

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="HealthRecord-PT-03"
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 2-5973"
echo " Executing tool itstools"
echo " Input is HealthRecord-PT-03, 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 r152-tall-177961077500347"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/HealthRecord-PT-03.tgz
mv HealthRecord-PT-03 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.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 ;