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.r056-smll-177946902900053.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 Champagne-PT-H07T1U, examination is StableMarking
Time confinement is 1800 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r056-smll-177946902900053
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 840K
-rw-r--r-- 1 mcc users 8.6K Mar 6 10:48 CTLCardinality.txt
-rw-r--r-- 1 mcc users 100K Mar 6 10:48 CTLCardinality.xml
-rw-r--r-- 1 mcc users 6.2K Mar 6 10:48 CTLFireability.txt
-rw-r--r-- 1 mcc users 57K Mar 6 10:48 CTLFireability.xml
-rw-r--r-- 1 mcc users 3.7K Mar 15 07:59 LTLCardinality.txt
-rw-r--r-- 1 mcc users 27K Mar 15 07:59 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.3K Mar 15 08:00 LTLFireability.txt
-rw-r--r-- 1 mcc users 19K Mar 15 08:00 LTLFireability.xml
-rw-r--r-- 1 mcc users 18K Mar 6 10:48 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 213K Mar 6 10:48 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 14K Mar 6 10:48 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 123K Mar 6 10:48 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.7K Mar 15 08:00 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.7K Mar 15 08:00 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 Mar 3 18:30 equiv_col
-rw-r--r-- 1 mcc users 7 Mar 3 18:30 instance
-rw-r--r-- 1 mcc users 6 Mar 3 18:30 iscolored
-rw-r--r-- 1 mcc users 208K 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 StableMarking

=== Now, execution of the tool begins

BK_START 1779473090145

Invoking MCC driver with
BK_TOOL=itstools
BK_EXAMINATION=StableMarking
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=1800
BK_INPUT=Champagne-PT-H07T1U
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
StableMarking PT
Running Version 202604301425
[2026-05-22 18:04:52] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, StableMarking, -its, -ltsmin, -greatspnpath, /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/, -order, META, -manyOrder, -smt, -timeout, 1800]
[2026-05-22 18:04:52] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-05-22 18:04:53] [INFO ] Load time of PNML (sax parser for PT used): 255 ms
[2026-05-22 18:04:53] [INFO ] Transformed 701 places.
[2026-05-22 18:04:53] [INFO ] Transformed 931 transitions.
[2026-05-22 18:04:53] [INFO ] Found NUPN structural information;
[2026-05-22 18:04:53] [INFO ] Parsed PT model containing 701 places and 931 transitions and 2312 arcs in 502 ms.
Graph (trivial) has 718 edges and 701 vertex of which 245 / 701 are part of one of the 27 SCC in 21 ms
Free SCC test removed 218 places
Structural test allowed to assert that 419 places are NOT stable. Took 67 ms.
Ensure Unique test removed 236 transitions
Reduce redundant transitions removed 236 transitions.
RANDOM walk for 40000 steps (153 resets) in 2428 ms. (16 steps per ms) remains 27/282 properties
BEST_FIRST walk for 4004 steps (8 resets) in 35 ms. (111 steps per ms) remains 27/27 properties
BEST_FIRST walk for 4004 steps (8 resets) in 42 ms. (93 steps per ms) remains 27/27 properties
BEST_FIRST walk for 4004 steps (8 resets) in 38 ms. (102 steps per ms) remains 27/27 properties
BEST_FIRST walk for 4003 steps (8 resets) in 30 ms. (129 steps per ms) remains 27/27 properties
BEST_FIRST walk for 4004 steps (8 resets) in 48 ms. (81 steps per ms) remains 27/27 properties
BEST_FIRST walk for 4004 steps (8 resets) in 26 ms. (148 steps per ms) remains 27/27 properties
BEST_FIRST walk for 4004 steps (8 resets) in 54 ms. (72 steps per ms) remains 27/27 properties
BEST_FIRST walk for 4004 steps (8 resets) in 51 ms. (77 steps per ms) remains 27/27 properties
BEST_FIRST walk for 4004 steps (8 resets) in 53 ms. (74 steps per ms) remains 27/27 properties
BEST_FIRST walk for 4003 steps (8 resets) in 40 ms. (97 steps per ms) remains 27/27 properties
BEST_FIRST walk for 4004 steps (8 resets) in 57 ms. (69 steps per ms) remains 27/27 properties
[2026-05-22 18:04:54] [INFO ] Flatten gal took : 209 ms
BEST_FIRST walk for 4004 steps (8 resets) in 24 ms. (160 steps per ms) remains 27/27 properties
BEST_FIRST walk for 4002 steps (8 resets) in 25 ms. (153 steps per ms) remains 27/27 properties
BEST_FIRST walk for 4004 steps (8 resets) in 26 ms. (148 steps per ms) remains 27/27 properties
BEST_FIRST walk for 4004 steps (8 resets) in 31 ms. (125 steps per ms) remains 27/27 properties
BEST_FIRST walk for 4004 steps (8 resets) in 23 ms. (166 steps per ms) remains 27/27 properties
BEST_FIRST walk for 4004 steps (8 resets) in 22 ms. (174 steps per ms) remains 27/27 properties
BEST_FIRST walk for 4004 steps (8 resets) in 14 ms. (266 steps per ms) remains 27/27 properties
BEST_FIRST walk for 4003 steps (8 resets) in 17 ms. (222 steps per ms) remains 27/27 properties
BEST_FIRST walk for 4004 steps (8 resets) in 25 ms. (154 steps per ms) remains 27/27 properties
[2026-05-22 18:04:54] [INFO ] Flatten gal took : 105 ms
BEST_FIRST walk for 4003 steps (8 resets) in 19 ms. (200 steps per ms) remains 27/27 properties
BEST_FIRST walk for 4003 steps (8 resets) in 13 ms. (285 steps per ms) remains 27/27 properties
BEST_FIRST walk for 4003 steps (8 resets) in 16 ms. (235 steps per ms) remains 27/27 properties
BEST_FIRST walk for 4004 steps (8 resets) in 13 ms. (286 steps per ms) remains 27/27 properties
BEST_FIRST walk for 4004 steps (8 resets) in 17 ms. (222 steps per ms) remains 27/27 properties
BEST_FIRST walk for 4004 steps (8 resets) in 14 ms. (266 steps per ms) remains 27/27 properties
BEST_FIRST walk for 4004 steps (8 resets) in 14 ms. (266 steps per ms) remains 27/27 properties
[2026-05-22 18:04:54] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality6600672803279774376.gal : 68 ms
[2026-05-22 18:04:55] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality3268695350012976237.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/ReachabilityCardinality6600672803279774376.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality3268695350012976237.prop' '--nowitness' '--gen-order' 'FOLLOW'
[2026-05-22 18:04:55] [INFO ] Flow matrix only has 669 transitions (discarded 26 similar events)

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 ...328
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-15423353760470971720.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-2932120402825632677.kers'
[2026-05-22 18:04:55] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-15423353760470971720.kers, --Pflows, --basisKERS=/tmp/petrispot-output-2932120402825632677.kers]
Normalized transition count is 668 out of 669 initially.
Culled 0 columns in 0 ms.
// Phase 1: matrix 668 rows 483 cols 1786 entries
Finished phase 1 with 456 SingleSign rule and 0 generalized
[2026-05-22 18:04:55] [INFO ] Computed 27 invariants in 5 ms
Computed 27 P flows in 8 ms.
Exported basis to /tmp/petrispot-output-2932120402825632677.kers
Total runtime 9 ms.
[2026-05-22 18:04:55] [INFO ] State equation strengthened by 1 read => feed constraints.
Loading property file /tmp/ReachabilityCardinality3268695350012976237.prop.
SDD proceeding with computation,27 properties remain. new max is 4
SDD size :1 after 5
SDD proceeding with computation,27 properties remain. new max is 8
SDD size :5 after 9
SDD proceeding with computation,27 properties remain. new max is 16
SDD size :9 after 20
SDD proceeding with computation,27 properties remain. new max is 32
SDD size :20 after 192
All remaining problems are real, not stopping.
SDD proceeding with computation,27 properties remain. new max is 64
SDD size :192 after 7493
At refinement iteration 0 (INCLUDED_ONLY) 0/27 variables, 27/27 constraints. Problems are: Problem set: 0 solved, 27 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/27 variables, 0/27 constraints. Problems are: Problem set: 0 solved, 27 unsolved
SDD proceeding with computation,27 properties remain. new max is 128
SDD size :7493 after 122752
SDD proceeding with computation,27 properties remain. new max is 256
SDD size :122752 after 817231
At refinement iteration 2 (OVERLAPS) 456/483 variables, 27/54 constraints. Problems are: Problem set: 0 solved, 27 unsolved
SDD proceeding with computation,27 properties remain. new max is 512
SDD size :817231 after 818647
SDD proceeding with computation,27 properties remain. new max is 1024
SDD size :818647 after 820228
SDD proceeding with computation,27 properties remain. new max is 2048
SDD size :820228 after 827896
At refinement iteration 3 (INCLUDED_ONLY) 0/483 variables, 456/510 constraints. Problems are: Problem set: 0 solved, 27 unsolved
SDD proceeding with computation,27 properties remain. new max is 4096
SDD size :827896 after 885469
At refinement iteration 4 (INCLUDED_ONLY) 0/483 variables, 0/510 constraints. Problems are: Problem set: 0 solved, 27 unsolved
SDD proceeding with computation,27 properties remain. new max is 8192
SDD size :885469 after 2.00458e+06
At refinement iteration 5 (OVERLAPS) 668/1151 variables, 483/993 constraints. Problems are: Problem set: 0 solved, 27 unsolved
SDD proceeding with computation,27 properties remain. new max is 16384
SDD size :2.00458e+06 after 1.58098e+07
At refinement iteration 6 (INCLUDED_ONLY) 0/1151 variables, 0/993 constraints. Problems are: Problem set: 0 solved, 27 unsolved
At refinement iteration 7 (OVERLAPS) 1/1152 variables, 1/994 constraints. Problems are: Problem set: 0 solved, 27 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/1152 variables, 0/994 constraints. Problems are: Problem set: 0 solved, 27 unsolved
SDD proceeding with computation,27 properties remain. new max is 32768
SDD size :1.58098e+07 after 1.25174e+09
At refinement iteration 9 (OVERLAPS) 0/1152 variables, 0/994 constraints. Problems are: Problem set: 0 solved, 27 unsolved
No progress, stopping.
After SMT solving in domain Real declared 1152/1152 variables, and 994 constraints, problems are : Problem set: 0 solved, 27 unsolved in 3559 ms.
Refiners :[Domain max(s): 483/483 constraints, Positive P Invariants (semi-flows): 27/27 constraints, State Equation: 483/483 constraints, ReadFeed: 1/1 constraints, PredecessorRefiner: 27/27 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 27 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/27 variables, 27/27 constraints. Problems are: Problem set: 0 solved, 27 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/27 variables, 0/27 constraints. Problems are: Problem set: 0 solved, 27 unsolved
At refinement iteration 2 (OVERLAPS) 456/483 variables, 27/54 constraints. Problems are: Problem set: 0 solved, 27 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/483 variables, 456/510 constraints. Problems are: Problem set: 0 solved, 27 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/483 variables, 0/510 constraints. Problems are: Problem set: 0 solved, 27 unsolved
At refinement iteration 5 (OVERLAPS) 668/1151 variables, 483/993 constraints. Problems are: Problem set: 0 solved, 27 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/1151 variables, 27/1020 constraints. Problems are: Problem set: 0 solved, 27 unsolved
SDD proceeding with computation,27 properties remain. new max is 65536
SDD size :1.25174e+09 after 5.03941e+09
At refinement iteration 7 (INCLUDED_ONLY) 0/1151 variables, 0/1020 constraints. Problems are: Problem set: 0 solved, 27 unsolved
At refinement iteration 8 (OVERLAPS) 1/1152 variables, 1/1021 constraints. Problems are: Problem set: 0 solved, 27 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/1152 variables, 0/1021 constraints. Problems are: Problem set: 0 solved, 27 unsolved
Error getting values : (error "Timeout of Z3 solver reached")
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 1152/1152 variables, and 1021 constraints, problems are : Problem set: 0 solved, 27 unsolved in 5019 ms.
Refiners :[Domain max(s): 483/483 constraints, Positive P Invariants (semi-flows): 27/27 constraints, State Equation: 483/483 constraints, ReadFeed: 1/1 constraints, PredecessorRefiner: 27/27 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 8791ms problems are : Problem set: 0 solved, 27 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 27 out of 483 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 483/483 places, 695/695 transitions.
Drop transitions (Empty/Sink Transition effects.) removed 27 transitions
Reduce isomorphic transitions removed 27 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 219 transitions
Trivial Post-agglo rules discarded 219 transitions
Performed 219 trivial Post agglomeration. Transition count delta: 219
Iterating post reduction 0 with 246 rules applied. Total rules applied 246 place count 483 transition count 449
Reduce places removed 219 places and 0 transitions.
Ensure Unique test removed 25 transitions
Reduce isomorphic transitions removed 25 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 25 transitions
Trivial Post-agglo rules discarded 25 transitions
Performed 25 trivial Post agglomeration. Transition count delta: 25
Iterating post reduction 1 with 269 rules applied. Total rules applied 515 place count 264 transition count 399
Reduce places removed 25 places and 0 transitions.
Iterating post reduction 2 with 25 rules applied. Total rules applied 540 place count 239 transition count 399
Discarding 65 places :
Symmetric choice reduction at 3 with 65 rule applications. Total rules 605 place count 174 transition count 334
Iterating global reduction 3 with 65 rules applied. Total rules applied 670 place count 174 transition count 334
Discarding 20 places :
Symmetric choice reduction at 3 with 20 rule applications. Total rules 690 place count 154 transition count 241
Iterating global reduction 3 with 20 rules applied. Total rules applied 710 place count 154 transition count 241
Ensure Unique test removed 20 transitions
Reduce isomorphic transitions removed 20 transitions.
Iterating post reduction 3 with 20 rules applied. Total rules applied 730 place count 154 transition count 221
Performed 52 Post agglomeration using F-continuation condition.Transition count delta: 52
Deduced a syphon composed of 52 places in 0 ms
Reduce places removed 52 places and 0 transitions.
Iterating global reduction 4 with 104 rules applied. Total rules applied 834 place count 102 transition count 169
Performed 2 Post agglomeration using F-continuation condition.Transition count delta: -5
Deduced a syphon composed of 2 places in 0 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 4 with 4 rules applied. Total rules applied 838 place count 100 transition count 174
Drop transitions (Empty/Sink Transition effects.) removed 4 transitions
Reduce isomorphic transitions removed 4 transitions.
Iterating post reduction 4 with 4 rules applied. Total rules applied 842 place count 100 transition count 170
Drop transitions (Redundant composition of simpler transitions.) removed 2 transitions
Redundant transition composition rules discarded 2 transitions
Iterating global reduction 5 with 2 rules applied. Total rules applied 844 place count 100 transition count 168
Free-agglomeration rule applied 43 times.
Iterating global reduction 5 with 43 rules applied. Total rules applied 887 place count 100 transition count 125
Reduce places removed 43 places and 0 transitions.
Drop transitions (Empty/Sink Transition effects.) removed 89 transitions
Reduce isomorphic transitions removed 89 transitions.
Iterating post reduction 5 with 132 rules applied. Total rules applied 1019 place count 57 transition count 36
Applied a total of 1019 rules in 153 ms. Remains 57 /483 variables (removed 426) and now considering 36/695 (removed 659) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 170 ms. Remains : 57/483 places, 36/695 transitions.
RANDOM walk for 12 steps (0 resets) in 5 ms. (2 steps per ms) remains 0/27 properties
ITS runner timed out or was interrupted.
ITS tools runner thread asked to quit. Dying gracefully.
Able to resolve query StableMarking after proving 284 properties.
FORMULA StableMarking FALSE TECHNIQUES RANDOM_WALK MARKED_SUFFIX_TEST TRIVIAL_UNMARKED_SCC_TEST TOPOLOGICAL
Total runtime 11690 ms.

BK_STOP 1779473104466

--------------------
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
+ [[ StableMarking = StateSpace ]]
+ /home/mcc/BenchKit/bin//../itstools/bin//..//runeclipse.sh /home/mcc/execution StableMarking -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 StableMarking -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="Champagne-PT-H07T1U"
export BK_EXAMINATION="StableMarking"
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 Champagne-PT-H07T1U, examination is StableMarking"
echo " Time confinement is $BK_TIME_CONFINEMENT seconds"
echo " Memory confinement is 16384 MBytes"
echo " Number of cores is 4"
echo " Run identifier is r056-smll-177946902900053"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/Champagne-PT-H07T1U.tgz
mv Champagne-PT-H07T1U execution
cd execution
if [ "StableMarking" = "ReachabilityDeadlock" ] || [ "StableMarking" = "UpperBounds" ] || [ "StableMarking" = "QuasiLiveness" ] || [ "StableMarking" = "StableMarking" ] || [ "StableMarking" = "Liveness" ] || [ "StableMarking" = "OneSafe" ] || [ "StableMarking" = "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 [ "StableMarking" = "UpperBounds" ] ; then
echo "The expected result is a vector of positive values"
echo NUM_VECTOR
elif [ "StableMarking" != "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 "StableMarking.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 '' StableMarking.xml | cut -d '>' -f 2 | cut -d '<' -f 1 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ "StableMarking" = "ReachabilityDeadlock" ] || [ "StableMarking" = "QuasiLiveness" ] || [ "StableMarking" = "StableMarking" ] || [ "StableMarking" = "Liveness" ] || [ "StableMarking" = "OneSafe" ] ; then
echo "FORMULA_NAME StableMarking"
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 ;