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-178021499100069.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-bP03C03, examination is UpperBounds
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r338-smll-178021499100069
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 528K
-rw-r--r-- 1 mcc users 6.9K May 27 08:55 CTLCardinality.txt
-rw-r--r-- 1 mcc users 71K May 27 08:55 CTLCardinality.xml
-rw-r--r-- 1 mcc users 5.6K 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 3.9K May 27 10:31 LTLCardinality.txt
-rw-r--r-- 1 mcc users 27K May 27 10:31 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.4K May 27 10:31 LTLFireability.txt
-rw-r--r-- 1 mcc users 18K May 27 10:31 LTLFireability.xml
-rw-r--r-- 1 mcc users 1 May 26 18:17 NewModel
-rw-r--r-- 1 mcc users 9.7K May 27 08:55 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 99K May 27 08:55 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 11K May 27 08:55 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 89K May 27 08:55 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.8K May 27 10:31 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.9K May 27 10:31 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 96K 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 positive values
NUM_VECTOR

echo here is the order used to build the result vector(from xml file)
FORMULA_NAME ErlangenMainframeV1-PT-bP03C03-UpperBounds-00
FORMULA_NAME ErlangenMainframeV1-PT-bP03C03-UpperBounds-01
FORMULA_NAME ErlangenMainframeV1-PT-bP03C03-UpperBounds-02
FORMULA_NAME ErlangenMainframeV1-PT-bP03C03-UpperBounds-03
FORMULA_NAME ErlangenMainframeV1-PT-bP03C03-UpperBounds-04
FORMULA_NAME ErlangenMainframeV1-PT-bP03C03-UpperBounds-05
FORMULA_NAME ErlangenMainframeV1-PT-bP03C03-UpperBounds-06
FORMULA_NAME ErlangenMainframeV1-PT-bP03C03-UpperBounds-07
FORMULA_NAME ErlangenMainframeV1-PT-bP03C03-UpperBounds-08
FORMULA_NAME ErlangenMainframeV1-PT-bP03C03-UpperBounds-09
FORMULA_NAME ErlangenMainframeV1-PT-bP03C03-UpperBounds-10
FORMULA_NAME ErlangenMainframeV1-PT-bP03C03-UpperBounds-11
FORMULA_NAME ErlangenMainframeV1-PT-bP03C03-UpperBounds-12
FORMULA_NAME ErlangenMainframeV1-PT-bP03C03-UpperBounds-13
FORMULA_NAME ErlangenMainframeV1-PT-bP03C03-UpperBounds-14
FORMULA_NAME ErlangenMainframeV1-PT-bP03C03-UpperBounds-15

=== Now, execution of the tool begins

BK_START 1780261178119

Invoking MCC driver with
BK_TOOL=itstools
BK_EXAMINATION=UpperBounds
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=ErlangenMainframeV1-PT-bP03C03
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
UpperBounds PT
Running Version 202604301425
[2026-05-31 20:59:40] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, UpperBounds, -its, -ltsmin, -greatspnpath, /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/, -order, META, -manyOrder, -smt, -timeout, 3600]
[2026-05-31 20:59:40] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-05-31 20:59:40] [INFO ] Load time of PNML (sax parser for PT used): 140 ms
[2026-05-31 20:59:40] [INFO ] Transformed 213 places.
[2026-05-31 20:59:40] [INFO ] Transformed 327 transitions.
[2026-05-31 20:59:40] [INFO ] Found NUPN structural information;
[2026-05-31 20:59:41] [INFO ] Parsed PT model containing 213 places and 327 transitions and 1410 arcs in 381 ms.
Parsed 16 properties from file /home/mcc/execution/UpperBounds.xml in 10 ms.
Current structural bounds on expressions (Initiallly, because the net is safe) : Max Seen:[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0] Max Struct:[1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
Current structural bounds on expressions (Before main loop) : Max Seen:[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0] Max Struct:[1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-11705448076941002481.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-18319370868028695727.kers'
[2026-05-31 20:59:41] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-11705448076941002481.kers, --Pflows, --basisKERS=/tmp/petrispot-output-18319370868028695727.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 327 rows 213 cols 1410 entries
Finished phase 1 with 198 SingleSign rule and 3 generalized
[2026-05-31 20:59:41] [INFO ] Computed 12 invariants in 2 ms
Computed 12 P flows in 3 ms.
Exported basis to /tmp/petrispot-output-18319370868028695727.kers
Total runtime 4 ms.
Current structural bounds on expressions (after invariants) : Max Seen:[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0] Max Struct:[1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
RANDOM walk for 10000 steps (2 resets) in 130 ms. (76 steps per ms)
FORMULA ErlangenMainframeV1-PT-bP03C03-UpperBounds-15 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA ErlangenMainframeV1-PT-bP03C03-UpperBounds-14 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA ErlangenMainframeV1-PT-bP03C03-UpperBounds-12 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA ErlangenMainframeV1-PT-bP03C03-UpperBounds-11 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA ErlangenMainframeV1-PT-bP03C03-UpperBounds-10 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA ErlangenMainframeV1-PT-bP03C03-UpperBounds-08 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA ErlangenMainframeV1-PT-bP03C03-UpperBounds-07 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA ErlangenMainframeV1-PT-bP03C03-UpperBounds-06 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA ErlangenMainframeV1-PT-bP03C03-UpperBounds-05 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA ErlangenMainframeV1-PT-bP03C03-UpperBounds-04 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA ErlangenMainframeV1-PT-bP03C03-UpperBounds-03 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA ErlangenMainframeV1-PT-bP03C03-UpperBounds-02 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA ErlangenMainframeV1-PT-bP03C03-UpperBounds-01 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA ErlangenMainframeV1-PT-bP03C03-UpperBounds-09 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
BEST_FIRST walk for 20000 steps (4 resets) in 165 ms. (120 steps per ms)
FORMULA ErlangenMainframeV1-PT-bP03C03-UpperBounds-00 1 TECHNIQUES TOPOLOGICAL RANDOM_WALK
Current structural bounds on expressions (after WALK) : Max Seen:[0] Max Struct:[1]
[2026-05-31 20:59:41] [INFO ] Invariant cache hit.
[2026-05-31 20:59:41] [INFO ] [Real]Absence check using 9 positive place invariants in 21 ms returned sat
[2026-05-31 20:59:41] [INFO ] [Real]Absence check using 9 positive and 3 generalized place invariants in 3 ms returned sat
[2026-05-31 20:59:42] [INFO ] [Real]Absence check using state equation in 330 ms returned sat
[2026-05-31 20:59:42] [INFO ] Computed and/alt/rep : 235/641/235 causal constraints (skipped 91 transitions) in 107 ms.
[2026-05-31 20:59:42] [INFO ] Solution in real domain found non-integer solution.
[2026-05-31 20:59:42] [INFO ] [Nat]Absence check using 9 positive place invariants in 17 ms returned sat
[2026-05-31 20:59:42] [INFO ] [Nat]Absence check using 9 positive and 3 generalized place invariants in 3 ms returned sat
[2026-05-31 20:59:43] [INFO ] [Nat]Absence check using state equation in 242 ms returned sat
[2026-05-31 20:59:43] [INFO ] Computed and/alt/rep : 235/641/235 causal constraints (skipped 91 transitions) in 77 ms.
[2026-05-31 20:59:45] [INFO ] Added : 220 causal constraints over 44 iterations in 2555 ms. Result :sat
Minimization took 309 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[0] Max Struct:[1]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[0] Max Struct:[1]
Support contains 1 out of 213 places. Attempting structural reductions.
Drop transitions (Removing consumers from one bounded place p20) removed 9 transitions
Starting structural reductions in REACHABILITY mode, iteration 0 : 213/213 places, 318/318 transitions.
Graph (trivial) has 201 edges and 213 vertex of which 12 / 213 are part of one of the 5 SCC in 15 ms
Free SCC test removed 7 places
Drop transitions (Empty/Sink Transition effects.) removed 13 transitions
Reduce isomorphic transitions removed 13 transitions.
Reduce places removed 1 places and 1 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 91 transitions
Trivial Post-agglo rules discarded 91 transitions
Performed 91 trivial Post agglomeration. Transition count delta: 91
Iterating post reduction 0 with 92 rules applied. Total rules applied 93 place count 205 transition count 213
Reduce places removed 92 places and 1 transitions.
Ensure Unique test removed 9 transitions
Reduce isomorphic transitions removed 9 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 3 transitions
Trivial Post-agglo rules discarded 3 transitions
Performed 3 trivial Post agglomeration. Transition count delta: 3
Iterating post reduction 1 with 104 rules applied. Total rules applied 197 place count 113 transition count 200
Reduce places removed 3 places and 0 transitions.
Iterating post reduction 2 with 3 rules applied. Total rules applied 200 place count 110 transition count 200
Performed 4 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 4 Pre rules applied. Total rules applied 200 place count 110 transition count 196
Deduced a syphon composed of 4 places in 2 ms
Reduce places removed 4 places and 0 transitions.
Iterating global reduction 3 with 8 rules applied. Total rules applied 208 place count 106 transition count 196
Discarding 23 places :
Symmetric choice reduction at 3 with 23 rule applications. Total rules 231 place count 83 transition count 173
Iterating global reduction 3 with 23 rules applied. Total rules applied 254 place count 83 transition count 173
Performed 5 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 5 Pre rules applied. Total rules applied 254 place count 83 transition count 168
Deduced a syphon composed of 5 places in 1 ms
Reduce places removed 5 places and 0 transitions.
Iterating global reduction 3 with 10 rules applied. Total rules applied 264 place count 78 transition count 168
Discarding 11 places :
Symmetric choice reduction at 3 with 11 rule applications. Total rules 275 place count 67 transition count 125
Ensure Unique test removed 2 places
Iterating global reduction 3 with 13 rules applied. Total rules applied 288 place count 65 transition count 125
Discarding 5 places :
Symmetric choice reduction at 3 with 5 rule applications. Total rules 293 place count 60 transition count 75
Iterating global reduction 3 with 5 rules applied. Total rules applied 298 place count 60 transition count 75
Discarding 2 places :
Symmetric choice reduction at 3 with 2 rule applications. Total rules 300 place count 58 transition count 71
Iterating global reduction 3 with 2 rules applied. Total rules applied 302 place count 58 transition count 71
Performed 19 Post agglomeration using F-continuation condition.Transition count delta: 19
Deduced a syphon composed of 19 places in 0 ms
Reduce places removed 19 places and 0 transitions.
Iterating global reduction 3 with 38 rules applied. Total rules applied 340 place count 39 transition count 52
Performed 10 Post agglomeration using F-continuation condition.Transition count delta: -18
Deduced a syphon composed of 10 places in 0 ms
Reduce places removed 10 places and 0 transitions.
Iterating global reduction 3 with 20 rules applied. Total rules applied 360 place count 29 transition count 70
Drop transitions (Empty/Sink Transition effects.) removed 2 transitions
Ensure Unique test removed 10 transitions
Reduce isomorphic transitions removed 12 transitions.
Iterating post reduction 3 with 12 rules applied. Total rules applied 372 place count 29 transition count 58
Discarding 3 places :
Symmetric choice reduction at 4 with 3 rule applications. Total rules 375 place count 26 transition count 49
Iterating global reduction 4 with 3 rules applied. Total rules applied 378 place count 26 transition count 49
Ensure Unique test removed 5 transitions
Reduce isomorphic transitions removed 5 transitions.
Iterating post reduction 4 with 5 rules applied. Total rules applied 383 place count 26 transition count 44
Performed 2 Post agglomeration using F-continuation condition.Transition count delta: -14
Deduced a syphon composed of 2 places in 0 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 5 with 4 rules applied. Total rules applied 387 place count 24 transition count 58
Drop transitions (Empty/Sink Transition effects.) removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 5 with 1 rules applied. Total rules applied 388 place count 24 transition count 57
Drop transitions (Redundant composition of simpler transitions.) removed 22 transitions
Redundant transition composition rules discarded 22 transitions
Iterating global reduction 6 with 22 rules applied. Total rules applied 410 place count 24 transition count 35
Free-agglomeration rule applied 6 times.
Iterating global reduction 6 with 6 rules applied. Total rules applied 416 place count 24 transition count 29
Reduce places removed 6 places and 0 transitions.
Drop transitions (Empty/Sink Transition effects.) removed 7 transitions
Reduce isomorphic transitions removed 7 transitions.
Iterating post reduction 6 with 13 rules applied. Total rules applied 429 place count 18 transition count 22
Drop transitions (Redundant composition of simpler transitions.) removed 1 transitions
Redundant transition composition rules discarded 1 transitions
Iterating global reduction 7 with 1 rules applied. Total rules applied 430 place count 18 transition count 21
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 7 with 1 rules applied. Total rules applied 431 place count 17 transition count 20
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 7 with 1 rules applied. Total rules applied 432 place count 16 transition count 20
Applied a total of 432 rules in 176 ms. Remains 16 /213 variables (removed 197) and now considering 20/318 (removed 298) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 191 ms. Remains : 16/213 places, 20/318 transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-9833324087420963648.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-7394492718687723079.kers'
[2026-05-31 20:59:46] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-9833324087420963648.kers, --Pflows, --basisKERS=/tmp/petrispot-output-7394492718687723079.kers]
Normalized transition count is 18 out of 20 initially.
Culling duplicate invariants (modulo rational): removing 7 columns.
Culled 7 columns in 0 ms.
// Phase 1: matrix 18 rows 9 cols 37 entries
Finished phase 1 with 7 SingleSign rule and 0 generalized
[2026-05-31 20:59:46] [INFO ] Computed 9 invariants in 1 ms
Computed 9 P flows in 1 ms.
Exported basis to /tmp/petrispot-output-7394492718687723079.kers
Total runtime 1 ms.
Current structural bounds on expressions (after invariants) : Max Seen:[0] Max Struct:[1]
RANDOM walk for 1000000 steps (88288 resets) in 1300 ms. (768 steps per ms)
FORMULA ErlangenMainframeV1-PT-bP03C03-UpperBounds-13 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
BEST_FIRST walk for 1000001 steps (19065 resets) in 452 ms. (2207 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[] Max Struct:[]
All properties solved without resorting to model-checking.
Total runtime 8095 ms.

BK_STOP 1780261188777

--------------------
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
+ [[ UpperBounds = StateSpace ]]
+ /home/mcc/BenchKit/bin//../itstools/bin//..//runeclipse.sh /home/mcc/execution UpperBounds -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 UpperBounds -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-bP03C03"
export BK_EXAMINATION="UpperBounds"
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-bP03C03, examination is UpperBounds"
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-178021499100069"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/ErlangenMainframeV1-PT-bP03C03.tgz
mv ErlangenMainframeV1-PT-bP03C03 execution
cd execution
if [ "UpperBounds" = "ReachabilityDeadlock" ] || [ "UpperBounds" = "UpperBounds" ] || [ "UpperBounds" = "QuasiLiveness" ] || [ "UpperBounds" = "StableMarking" ] || [ "UpperBounds" = "Liveness" ] || [ "UpperBounds" = "OneSafe" ] || [ "UpperBounds" = "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 [ "UpperBounds" = "UpperBounds" ] ; then
echo "The expected result is a vector of positive values"
echo NUM_VECTOR
elif [ "UpperBounds" != "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 "UpperBounds.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 '' UpperBounds.xml | cut -d '>' -f 2 | cut -d '<' -f 1 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ "UpperBounds" = "ReachabilityDeadlock" ] || [ "UpperBounds" = "QuasiLiveness" ] || [ "UpperBounds" = "StableMarking" ] || [ "UpperBounds" = "Liveness" ] || [ "UpperBounds" = "OneSafe" ] ; then
echo "FORMULA_NAME UpperBounds"
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 ;