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.r338-smll-178021499100087.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)
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=====================================================================
Generated by BenchKit 2-5973
Executing tool itstools
Input is ErlangenMainframeV1-PT-bP05C05, examination is ReachabilityFireability
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r338-smll-178021499100087
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 960K
-rw-r--r-- 1 mcc users 7.5K May 27 08:55 CTLCardinality.txt
-rw-r--r-- 1 mcc users 81K May 27 08:55 CTLCardinality.xml
-rw-r--r-- 1 mcc users 5.5K May 27 08:55 CTLFireability.txt
-rw-r--r-- 1 mcc users 47K May 27 08:55 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.0K May 27 10:32 LTLCardinality.txt
-rw-r--r-- 1 mcc users 27K May 27 10:32 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.5K May 27 10:32 LTLFireability.txt
-rw-r--r-- 1 mcc users 21K May 27 10:32 LTLFireability.xml
-rw-r--r-- 1 mcc users 1 May 26 18:17 NewModel
-rw-r--r-- 1 mcc users 9.0K May 27 08:55 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 90K May 27 08:55 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 8.2K May 27 08:55 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 68K May 27 08:55 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.8K May 27 10:32 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.9K May 27 10:32 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 May 26 18:17 equiv_col
-rw-r--r-- 1 mcc users 8 May 26 18:17 instance
-rw-r--r-- 1 mcc users 6 May 26 18:17 iscolored
-rw-r--r-- 1 mcc users 544K May 26 18:17 model.pnml

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

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

The expected result is a vector of booleans
BOOL_VECTOR

echo here is the order used to build the result vector(from xml file)
FORMULA_NAME ErlangenMainframeV1-PT-bP05C05-ReachabilityFireability-2024-00
FORMULA_NAME ErlangenMainframeV1-PT-bP05C05-ReachabilityFireability-2024-01
FORMULA_NAME ErlangenMainframeV1-PT-bP05C05-ReachabilityFireability-2024-02
FORMULA_NAME ErlangenMainframeV1-PT-bP05C05-ReachabilityFireability-2024-03
FORMULA_NAME ErlangenMainframeV1-PT-bP05C05-ReachabilityFireability-2024-04
FORMULA_NAME ErlangenMainframeV1-PT-bP05C05-ReachabilityFireability-2024-05
FORMULA_NAME ErlangenMainframeV1-PT-bP05C05-ReachabilityFireability-2024-06
FORMULA_NAME ErlangenMainframeV1-PT-bP05C05-ReachabilityFireability-2024-07
FORMULA_NAME ErlangenMainframeV1-PT-bP05C05-ReachabilityFireability-2024-08
FORMULA_NAME ErlangenMainframeV1-PT-bP05C05-ReachabilityFireability-2024-09
FORMULA_NAME ErlangenMainframeV1-PT-bP05C05-ReachabilityFireability-2024-10
FORMULA_NAME ErlangenMainframeV1-PT-bP05C05-ReachabilityFireability-2024-11
FORMULA_NAME ErlangenMainframeV1-PT-bP05C05-ReachabilityFireability-2024-12
FORMULA_NAME ErlangenMainframeV1-PT-bP05C05-ReachabilityFireability-2024-13
FORMULA_NAME ErlangenMainframeV1-PT-bP05C05-ReachabilityFireability-2024-14
FORMULA_NAME ErlangenMainframeV1-PT-bP05C05-ReachabilityFireability-2024-15

=== Now, execution of the tool begins

BK_START 1780267220939

Invoking MCC driver with
BK_TOOL=itstools
BK_EXAMINATION=ReachabilityFireability
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=ErlangenMainframeV1-PT-bP05C05
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
ReachabilityFireability PT
Running Version 202604301425
[2026-05-31 22:40:23] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, ReachabilityFireability, -its, -ltsmin, -greatspnpath, /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/, -order, META, -manyOrder, -smt, -timeout, 3600]
[2026-05-31 22:40:23] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-05-31 22:40:23] [INFO ] Load time of PNML (sax parser for PT used): 327 ms
[2026-05-31 22:40:23] [INFO ] Transformed 253 places.
[2026-05-31 22:40:23] [INFO ] Transformed 1011 transitions.
[2026-05-31 22:40:23] [INFO ] Found NUPN structural information;
[2026-05-31 22:40:23] [INFO ] Parsed PT model containing 253 places and 1011 transitions and 10468 arcs in 544 ms.
Parsed 16 properties from file /home/mcc/execution/ReachabilityFireability.xml in 18 ms.
Working with output stream class java.io.PrintStream
[2026-05-31 22:40:25] [INFO ] Flatten gal took : 891 ms
[2026-05-31 22:40:25] [INFO ] Flatten gal took : 250 ms
RANDOM walk for 40000 steps (8 resets) in 6688 ms. (5 steps per ms) remains 10/16 properties
FORMULA ErlangenMainframeV1-PT-bP05C05-ReachabilityFireability-2024-07 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA ErlangenMainframeV1-PT-bP05C05-ReachabilityFireability-2024-05 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA ErlangenMainframeV1-PT-bP05C05-ReachabilityFireability-2024-04 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA ErlangenMainframeV1-PT-bP05C05-ReachabilityFireability-2024-02 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA ErlangenMainframeV1-PT-bP05C05-ReachabilityFireability-2024-01 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA ErlangenMainframeV1-PT-bP05C05-ReachabilityFireability-2024-00 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
[2026-05-31 22:40:26] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality12941231864229317583.gal : 184 ms
[2026-05-31 22:40:26] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality6952670085098950180.prop : 11 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/ReachabilityCardinality12941231864229317583.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality6952670085098950180.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
BEST_FIRST walk for 40000 steps (8 resets) in 1050 ms. (38 steps per ms) remains 10/10 properties
BEST_FIRST walk for 40002 steps (8 resets) in 764 ms. (52 steps per ms) remains 10/10 properties
Loading property file /tmp/ReachabilityCardinality6952670085098950180.prop.
BEST_FIRST walk for 40003 steps (8 resets) in 966 ms. (41 steps per ms) remains 10/10 properties
BEST_FIRST walk for 40001 steps (8 resets) in 1388 ms. (28 steps per ms) remains 10/10 properties
SDD proceeding with computation,10 properties remain. new max is 4
SDD size :1 after 2
SDD proceeding with computation,10 properties remain. new max is 8
SDD size :2 after 4
SDD proceeding with computation,10 properties remain. new max is 16
SDD size :4 after 5
SDD proceeding with computation,10 properties remain. new max is 32
SDD size :5 after 9
BEST_FIRST walk for 40000 steps (8 resets) in 753 ms. (53 steps per ms) remains 10/10 properties
SDD proceeding with computation,10 properties remain. new max is 64
SDD size :9 after 192
SDD proceeding with computation,10 properties remain. new max is 128
SDD size :192 after 1120
SDD proceeding with computation,10 properties remain. new max is 256
SDD size :1120 after 1146
SDD proceeding with computation,10 properties remain. new max is 512
SDD size :1146 after 1190
SDD proceeding with computation,10 properties remain. new max is 1024
SDD size :1190 after 1694
BEST_FIRST walk for 40002 steps (8 resets) in 634 ms. (62 steps per ms) remains 10/10 properties
SDD proceeding with computation,10 properties remain. new max is 2048
SDD size :1694 after 11619
BEST_FIRST walk for 40001 steps (8 resets) in 904 ms. (44 steps per ms) remains 10/10 properties
SDD proceeding with computation,10 properties remain. new max is 4096
SDD size :11619 after 5.21524e+06
BEST_FIRST walk for 40001 steps (8 resets) in 584 ms. (68 steps per ms) remains 10/10 properties
BEST_FIRST walk for 40002 steps (8 resets) in 731 ms. (54 steps per ms) remains 10/10 properties
BEST_FIRST walk for 40001 steps (8 resets) in 664 ms. (60 steps per ms) remains 10/10 properties
SDD proceeding with computation,10 properties remain. new max is 8192
SDD size :5.21524e+06 after 8.56058e+06
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-10934385021871787424.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-5908311210753066411.kers'
[2026-05-31 22:40:28] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-10934385021871787424.kers, --Pflows, --basisKERS=/tmp/petrispot-output-5908311210753066411.kers]
Culled 0 columns in 1 ms.
// Phase 1: matrix 1011 rows 253 cols 10468 entries
Finished phase 1 with 234 SingleSign rule and 3 generalized
[2026-05-31 22:40:28] [INFO ] Computed 16 invariants in 8 ms
Computed 16 P flows in 9 ms.
Exported basis to /tmp/petrispot-output-5908311210753066411.kers
Total runtime 11 ms.
Excessive predecessor constraint size, skipping predecessor.
Problem ErlangenMainframeV1-PT-bP05C05-ReachabilityFireability-2024-08 is UNSAT
FORMULA ErlangenMainframeV1-PT-bP05C05-ReachabilityFireability-2024-08 FALSE TECHNIQUES SMT_REFINEMENT
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/73 variables, 73/73 constraints. Problems are: Problem set: 1 solved, 9 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/73 variables, 0/73 constraints. Problems are: Problem set: 1 solved, 9 unsolved
Problem ErlangenMainframeV1-PT-bP05C05-ReachabilityFireability-2024-06 is UNSAT
FORMULA ErlangenMainframeV1-PT-bP05C05-ReachabilityFireability-2024-06 FALSE TECHNIQUES SMT_REFINEMENT
At refinement iteration 2 (OVERLAPS) 114/187 variables, 10/83 constraints. Problems are: Problem set: 2 solved, 8 unsolved
SDD proceeding with computation,10 properties remain. new max is 16384
SDD size :8.56058e+06 after 3.25163e+07
At refinement iteration 3 (INCLUDED_ONLY) 0/187 variables, 114/197 constraints. Problems are: Problem set: 2 solved, 8 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/187 variables, 0/197 constraints. Problems are: Problem set: 2 solved, 8 unsolved
At refinement iteration 5 (OVERLAPS) 15/202 variables, 1/198 constraints. Problems are: Problem set: 2 solved, 8 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/202 variables, 15/213 constraints. Problems are: Problem set: 2 solved, 8 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/202 variables, 0/213 constraints. Problems are: Problem set: 2 solved, 8 unsolved
At refinement iteration 8 (OVERLAPS) 51/253 variables, 5/218 constraints. Problems are: Problem set: 2 solved, 8 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/253 variables, 51/269 constraints. Problems are: Problem set: 2 solved, 8 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/253 variables, 0/269 constraints. Problems are: Problem set: 2 solved, 8 unsolved
At refinement iteration 11 (OVERLAPS) 1011/1264 variables, 253/522 constraints. Problems are: Problem set: 2 solved, 8 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/1264 variables, 0/522 constraints. Problems are: Problem set: 2 solved, 8 unsolved
At refinement iteration 13 (OVERLAPS) 0/1264 variables, 0/522 constraints. Problems are: Problem set: 2 solved, 8 unsolved
No progress, stopping.
After SMT solving in domain Real declared 1264/1264 variables, and 522 constraints, problems are : Problem set: 2 solved, 8 unsolved in 3019 ms.
Refiners :[Domain max(s): 253/253 constraints, Positive P Invariants (semi-flows): 11/11 constraints, Generalized P Invariants (flows): 5/5 constraints, State Equation: 253/253 constraints, PredecessorRefiner: 9/0 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 2 solved, 8 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/64 variables, 64/64 constraints. Problems are: Problem set: 2 solved, 8 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/64 variables, 0/64 constraints. Problems are: Problem set: 2 solved, 8 unsolved
At refinement iteration 2 (OVERLAPS) 120/184 variables, 10/74 constraints. Problems are: Problem set: 2 solved, 8 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/184 variables, 120/194 constraints. Problems are: Problem set: 2 solved, 8 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/184 variables, 0/194 constraints. Problems are: Problem set: 2 solved, 8 unsolved
At refinement iteration 5 (OVERLAPS) 15/199 variables, 1/195 constraints. Problems are: Problem set: 2 solved, 8 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/199 variables, 15/210 constraints. Problems are: Problem set: 2 solved, 8 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/199 variables, 0/210 constraints. Problems are: Problem set: 2 solved, 8 unsolved
At refinement iteration 8 (OVERLAPS) 54/253 variables, 5/215 constraints. Problems are: Problem set: 2 solved, 8 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/253 variables, 54/269 constraints. Problems are: Problem set: 2 solved, 8 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/253 variables, 0/269 constraints. Problems are: Problem set: 2 solved, 8 unsolved
At refinement iteration 11 (OVERLAPS) 1011/1264 variables, 253/522 constraints. Problems are: Problem set: 2 solved, 8 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/1264 variables, 0/522 constraints. Problems are: Problem set: 2 solved, 8 unsolved
Reachability property ErlangenMainframeV1-PT-bP05C05-ReachabilityFireability-2024-15 is true.
FORMULA ErlangenMainframeV1-PT-bP05C05-ReachabilityFireability-2024-15 TRUE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL COLLATERAL_PROCESSING
At refinement iteration 13 (OVERLAPS) 0/1264 variables, 0/522 constraints. Problems are: Problem set: 3 solved, 7 unsolved
No progress, stopping.
After SMT solving in domain Int declared 1264/1264 variables, and 522 constraints, problems are : Problem set: 3 solved, 7 unsolved in 4196 ms.
Refiners :[Domain max(s): 253/253 constraints, Positive P Invariants (semi-flows): 11/11 constraints, Generalized P Invariants (flows): 5/5 constraints, State Equation: 253/253 constraints, PredecessorRefiner: 8/0 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 7457ms problems are : Problem set: 3 solved, 7 unsolved
FORMULA ErlangenMainframeV1-PT-bP05C05-ReachabilityFireability-2024-03 TRUE TECHNIQUES PARIKH_WALK
FORMULA ErlangenMainframeV1-PT-bP05C05-ReachabilityFireability-2024-09 FALSE TECHNIQUES PARIKH_WALK
FORMULA ErlangenMainframeV1-PT-bP05C05-ReachabilityFireability-2024-10 TRUE TECHNIQUES PARIKH_WALK
FORMULA ErlangenMainframeV1-PT-bP05C05-ReachabilityFireability-2024-11 TRUE TECHNIQUES PARIKH_WALK
FORMULA ErlangenMainframeV1-PT-bP05C05-ReachabilityFireability-2024-12 FALSE TECHNIQUES PARIKH_WALK
FORMULA ErlangenMainframeV1-PT-bP05C05-ReachabilityFireability-2024-13 TRUE TECHNIQUES PARIKH_WALK
Finished Parikh walk after 84 steps, including 0 resets, run visited all 1 properties in 1 ms. (steps per millisecond=84 )
FORMULA ErlangenMainframeV1-PT-bP05C05-ReachabilityFireability-2024-14 FALSE TECHNIQUES PARIKH_WALK
Parikh walk visited 7 properties in 1653 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 14516 ms.

BK_STOP 1780267237880

--------------------
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
+ [[ ReachabilityFireability = StateSpace ]]
+ /home/mcc/BenchKit/bin//../itstools/bin//..//runeclipse.sh /home/mcc/execution ReachabilityFireability -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
++ 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 ReachabilityFireability -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="ErlangenMainframeV1-PT-bP05C05"
export BK_EXAMINATION="ReachabilityFireability"
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 2-5973"
echo " Executing tool itstools"
echo " Input is ErlangenMainframeV1-PT-bP05C05, examination is ReachabilityFireability"
echo " Time confinement is $BK_TIME_CONFINEMENT seconds"
echo " Memory confinement is 16384 MBytes"
echo " Number of cores is 4"
echo " Run identifier is r338-smll-178021499100087"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/ErlangenMainframeV1-PT-bP05C05.tgz
mv ErlangenMainframeV1-PT-bP05C05 execution
cd execution
if [ "ReachabilityFireability" = "ReachabilityDeadlock" ] || [ "ReachabilityFireability" = "UpperBounds" ] || [ "ReachabilityFireability" = "QuasiLiveness" ] || [ "ReachabilityFireability" = "StableMarking" ] || [ "ReachabilityFireability" = "Liveness" ] || [ "ReachabilityFireability" = "OneSafe" ] || [ "ReachabilityFireability" = "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 [ "ReachabilityFireability" = "UpperBounds" ] ; then
echo "The expected result is a vector of positive values"
echo NUM_VECTOR
elif [ "ReachabilityFireability" != "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 "ReachabilityFireability.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 '' ReachabilityFireability.xml | cut -d '>' -f 2 | cut -d '<' -f 1 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ "ReachabilityFireability" = "ReachabilityDeadlock" ] || [ "ReachabilityFireability" = "QuasiLiveness" ] || [ "ReachabilityFireability" = "StableMarking" ] || [ "ReachabilityFireability" = "Liveness" ] || [ "ReachabilityFireability" = "OneSafe" ] ; then
echo "FORMULA_NAME ReachabilityFireability"
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 ;