Execution Chart

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

Trace from the execution

Formatting '/data/fkordon/mcc2025-input.r013-tall-174853743000065.qcow2', fmt=qcow2 size=4294967296 backing_file=/data/fkordon/mcc2025-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 2-5832
Executing tool gold2024
Input is AutoFlight-PT-05b, examination is UpperBounds
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r013-tall-174853743000065
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 544K
-rw-r--r-- 1 mcc users 7.4K May 29 14:47 CTLCardinality.txt
-rw-r--r-- 1 mcc users 81K May 29 14:47 CTLCardinality.xml
-rw-r--r-- 1 mcc users 5.2K May 29 14:47 CTLFireability.txt
-rw-r--r-- 1 mcc users 47K May 29 14:47 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K May 29 14:32 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 3.4K May 29 14:47 LTLCardinality.txt
-rw-r--r-- 1 mcc users 24K May 29 14:47 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.2K May 29 14:47 LTLFireability.txt
-rw-r--r-- 1 mcc users 18K May 29 14:47 LTLFireability.xml
-rw-r--r-- 1 mcc users 11K May 29 14:47 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 111K May 29 14:47 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 7.8K May 29 14:47 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 65K May 29 14:47 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.6K May 29 14:47 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.7K May 29 14:47 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 May 29 14:32 equiv_col
-rw-r--r-- 1 mcc users 4 May 29 14:32 instance
-rw-r--r-- 1 mcc users 6 May 29 14:32 iscolored
-rw-r--r-- 1 mcc users 113K May 29 14:32 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 AutoFlight-PT-05b-UpperBounds-00
FORMULA_NAME AutoFlight-PT-05b-UpperBounds-01
FORMULA_NAME AutoFlight-PT-05b-UpperBounds-02
FORMULA_NAME AutoFlight-PT-05b-UpperBounds-03
FORMULA_NAME AutoFlight-PT-05b-UpperBounds-04
FORMULA_NAME AutoFlight-PT-05b-UpperBounds-05
FORMULA_NAME AutoFlight-PT-05b-UpperBounds-06
FORMULA_NAME AutoFlight-PT-05b-UpperBounds-07
FORMULA_NAME AutoFlight-PT-05b-UpperBounds-08
FORMULA_NAME AutoFlight-PT-05b-UpperBounds-09
FORMULA_NAME AutoFlight-PT-05b-UpperBounds-10
FORMULA_NAME AutoFlight-PT-05b-UpperBounds-11
FORMULA_NAME AutoFlight-PT-05b-UpperBounds-12
FORMULA_NAME AutoFlight-PT-05b-UpperBounds-13
FORMULA_NAME AutoFlight-PT-05b-UpperBounds-14
FORMULA_NAME AutoFlight-PT-05b-UpperBounds-15

=== Now, execution of the tool begins

BK_START 1748540889201

Invoking MCC driver with
BK_TOOL=gold2024
BK_EXAMINATION=UpperBounds
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=AutoFlight-PT-05b
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
UpperBounds PT
Running Version 202405141337
[2025-05-29 17:48:10] [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]
[2025-05-29 17:48:10] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2025-05-29 17:48:10] [INFO ] Load time of PNML (sax parser for PT used): 84 ms
[2025-05-29 17:48:10] [INFO ] Transformed 482 places.
[2025-05-29 17:48:10] [INFO ] Transformed 480 transitions.
[2025-05-29 17:48:10] [INFO ] Found NUPN structural information;
[2025-05-29 17:48:10] [INFO ] Parsed PT model containing 482 places and 480 transitions and 1120 arcs in 181 ms.
Parsed 16 properties from file /home/mcc/execution/UpperBounds.xml in 6 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]
// Phase 1: matrix 480 rows 482 cols
[2025-05-29 17:48:10] [INFO ] Computed 34 invariants in 27 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 (41 resets) in 52 ms. (188 steps per ms)
FORMULA AutoFlight-PT-05b-UpperBounds-15 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA AutoFlight-PT-05b-UpperBounds-14 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA AutoFlight-PT-05b-UpperBounds-13 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA AutoFlight-PT-05b-UpperBounds-11 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA AutoFlight-PT-05b-UpperBounds-10 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA AutoFlight-PT-05b-UpperBounds-09 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA AutoFlight-PT-05b-UpperBounds-08 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA AutoFlight-PT-05b-UpperBounds-07 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA AutoFlight-PT-05b-UpperBounds-06 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA AutoFlight-PT-05b-UpperBounds-05 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA AutoFlight-PT-05b-UpperBounds-04 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA AutoFlight-PT-05b-UpperBounds-03 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA AutoFlight-PT-05b-UpperBounds-02 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA AutoFlight-PT-05b-UpperBounds-01 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA AutoFlight-PT-05b-UpperBounds-00 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
BEST_FIRST walk for 10001 steps (4 resets) in 12 ms. (769 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[0] Max Struct:[1]
[2025-05-29 17:48:10] [INFO ] Invariant cache hit.
[2025-05-29 17:48:10] [INFO ] [Real]Absence check using 33 positive place invariants in 20 ms returned sat
[2025-05-29 17:48:10] [INFO ] [Real]Absence check using 33 positive and 1 generalized place invariants in 2 ms returned sat
[2025-05-29 17:48:11] [INFO ] [Real]Absence check using state equation in 143 ms returned sat
[2025-05-29 17:48:11] [INFO ] Deduced a trap composed of 21 places in 150 ms of which 10 ms to minimize.
[2025-05-29 17:48:11] [INFO ] Solution in real domain found non-integer solution.
[2025-05-29 17:48:11] [INFO ] [Nat]Absence check using 33 positive place invariants in 14 ms returned sat
[2025-05-29 17:48:11] [INFO ] [Nat]Absence check using 33 positive and 1 generalized place invariants in 2 ms returned sat
[2025-05-29 17:48:11] [INFO ] [Nat]Absence check using state equation in 116 ms returned sat
[2025-05-29 17:48:11] [INFO ] Deduced a trap composed of 21 places in 109 ms of which 3 ms to minimize.
[2025-05-29 17:48:11] [INFO ] Deduced a trap composed of 17 places in 110 ms of which 2 ms to minimize.
[2025-05-29 17:48:12] [INFO ] Deduced a trap composed of 78 places in 105 ms of which 3 ms to minimize.
[2025-05-29 17:48:12] [INFO ] Deduced a trap composed of 32 places in 110 ms of which 2 ms to minimize.
[2025-05-29 17:48:12] [INFO ] Deduced a trap composed of 48 places in 97 ms of which 3 ms to minimize.
[2025-05-29 17:48:12] [INFO ] Deduced a trap composed of 34 places in 116 ms of which 3 ms to minimize.
[2025-05-29 17:48:12] [INFO ] Deduced a trap composed of 50 places in 106 ms of which 2 ms to minimize.
[2025-05-29 17:48:12] [INFO ] Deduced a trap composed of 42 places in 81 ms of which 2 ms to minimize.
[2025-05-29 17:48:12] [INFO ] Deduced a trap composed of 45 places in 76 ms of which 2 ms to minimize.
[2025-05-29 17:48:12] [INFO ] Deduced a trap composed of 31 places in 85 ms of which 2 ms to minimize.
[2025-05-29 17:48:12] [INFO ] Deduced a trap composed of 42 places in 80 ms of which 2 ms to minimize.
[2025-05-29 17:48:12] [INFO ] Trap strengthening (SAT) tested/added 12/11 trap constraints in 1299 ms
[2025-05-29 17:48:12] [INFO ] Computed and/alt/rep : 479/644/479 causal constraints (skipped 0 transitions) in 27 ms.
[2025-05-29 17:48:15] [INFO ] Added : 450 causal constraints over 90 iterations in 3072 ms. Result :sat
Minimization took 234 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 482 places. Attempting structural reductions.
Drop transitions (Removing consumers from one bounded place p328) removed 1 transitions
Starting structural reductions in REACHABILITY mode, iteration 0 : 482/482 places, 479/479 transitions.
Reduce places removed 1 places and 1 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 185 transitions
Trivial Post-agglo rules discarded 185 transitions
Performed 185 trivial Post agglomeration. Transition count delta: 185
Iterating post reduction 0 with 186 rules applied. Total rules applied 186 place count 481 transition count 293
Reduce places removed 186 places and 1 transitions.
Ensure Unique test removed 25 transitions
Reduce isomorphic transitions removed 25 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 10 transitions
Trivial Post-agglo rules discarded 10 transitions
Performed 10 trivial Post agglomeration. Transition count delta: 10
Iterating post reduction 1 with 221 rules applied. Total rules applied 407 place count 295 transition count 257
Reduce places removed 11 places and 1 transitions.
Iterating post reduction 2 with 11 rules applied. Total rules applied 418 place count 284 transition count 256
Reduce places removed 2 places and 2 transitions.
Iterating post reduction 3 with 2 rules applied. Total rules applied 420 place count 282 transition count 254
Reduce places removed 2 places and 2 transitions.
Iterating post reduction 4 with 2 rules applied. Total rules applied 422 place count 280 transition count 252
Reduce places removed 2 places and 2 transitions.
Iterating post reduction 5 with 2 rules applied. Total rules applied 424 place count 278 transition count 250
Reduce places removed 2 places and 2 transitions.
Iterating post reduction 6 with 2 rules applied. Total rules applied 426 place count 276 transition count 248
Reduce places removed 2 places and 2 transitions.
Iterating post reduction 7 with 2 rules applied. Total rules applied 428 place count 274 transition count 246
Reduce places removed 1 places and 1 transitions.
Iterating post reduction 8 with 1 rules applied. Total rules applied 429 place count 273 transition count 245
Reduce places removed 1 places and 1 transitions.
Iterating post reduction 9 with 1 rules applied. Total rules applied 430 place count 272 transition count 244
Performed 66 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 10 with 66 Pre rules applied. Total rules applied 430 place count 272 transition count 178
Deduced a syphon composed of 66 places in 1 ms
Reduce places removed 66 places and 0 transitions.
Iterating global reduction 10 with 132 rules applied. Total rules applied 562 place count 206 transition count 178
Discarding 41 places :
Symmetric choice reduction at 10 with 41 rule applications. Total rules 603 place count 165 transition count 137
Iterating global reduction 10 with 41 rules applied. Total rules applied 644 place count 165 transition count 137
Performed 15 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 10 with 15 Pre rules applied. Total rules applied 644 place count 165 transition count 122
Deduced a syphon composed of 15 places in 1 ms
Reduce places removed 15 places and 0 transitions.
Iterating global reduction 10 with 30 rules applied. Total rules applied 674 place count 150 transition count 122
Performed 37 Post agglomeration using F-continuation condition.Transition count delta: 37
Deduced a syphon composed of 37 places in 1 ms
Reduce places removed 37 places and 0 transitions.
Iterating global reduction 10 with 74 rules applied. Total rules applied 748 place count 113 transition count 85
Free-agglomeration rule applied 20 times.
Iterating global reduction 10 with 20 rules applied. Total rules applied 768 place count 113 transition count 65
Reduce places removed 20 places and 0 transitions.
Iterating post reduction 10 with 20 rules applied. Total rules applied 788 place count 93 transition count 65
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 11 with 1 rules applied. Total rules applied 789 place count 92 transition count 64
Reduce places removed 20 places and 0 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 28 transitions
Trivial Post-agglo rules discarded 28 transitions
Performed 28 trivial Post agglomeration. Transition count delta: 28
Iterating post reduction 11 with 48 rules applied. Total rules applied 837 place count 72 transition count 36
Reduce places removed 28 places and 0 transitions.
Iterating post reduction 12 with 28 rules applied. Total rules applied 865 place count 44 transition count 36
Performed 12 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 13 with 12 Pre rules applied. Total rules applied 865 place count 44 transition count 24
Deduced a syphon composed of 12 places in 0 ms
Reduce places removed 12 places and 0 transitions.
Iterating global reduction 13 with 24 rules applied. Total rules applied 889 place count 32 transition count 24
Applied a total of 889 rules in 109 ms. Remains 32 /482 variables (removed 450) and now considering 24/479 (removed 455) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 119 ms. Remains : 32/482 places, 24/479 transitions.
// Phase 1: matrix 24 rows 32 cols
[2025-05-29 17:48:16] [INFO ] Computed 14 invariants in 0 ms
Current structural bounds on expressions (after invariants) : Max Seen:[0] Max Struct:[1]
RANDOM walk for 1000000 steps (49844 resets) in 896 ms. (1114 steps per ms)
FORMULA AutoFlight-PT-05b-UpperBounds-12 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
BEST_FIRST walk for 1000000 steps (14610 resets) in 402 ms. (2481 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[] Max Struct:[]
RANDOM walk for 0 steps (0 resets) in 4 ms. (0 steps per ms) remains 0/0 properties
Finished probabilistic random walk after 0 steps, run visited all 0 properties in 0 ms. (steps per millisecond=0 )
[2025-05-29 17:48:17] [INFO ] Flatten gal took : 20 ms
[2025-05-29 17:48:17] [INFO ] Flatten gal took : 5 ms
[2025-05-29 17:48:17] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality14384661824207514799.gal : 4 ms
[2025-05-29 17:48:17] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality17474561106425902989.prop : 0 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202405141337/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality14384661824207514799.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality17474561106425902989.prop' '--nowitness' '--gen-order' 'FOLLOW'

ITS runner timed out or was interrupted.
its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202405141337/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...330
ITS tools runner thread asked to quit. Dying gracefully.
Current structural bounds on expressions (After reachability solving 0 queries.) : Max Seen:[] Max Struct:[]
All properties solved without resorting to model-checking.
Total runtime 7672 ms.

BK_STOP 1748540898070

--------------------
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
+ 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//../itstools/bin//..//itstools/plugins/fr.lip6.move.gal.application.pnmcc_1.0.0.202405141337.jar
+ VERSION=202405141337
+ echo 'Running Version 202405141337'
+ /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="AutoFlight-PT-05b"
export BK_EXAMINATION="UpperBounds"
export BK_TOOL="gold2024"
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 2-5832"
echo " Executing tool gold2024"
echo " Input is AutoFlight-PT-05b, 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 r013-tall-174853743000065"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/AutoFlight-PT-05b.tgz
mv AutoFlight-PT-05b 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 ;