fond
Model Checking Contest 2025
15th edition, Paris, France, June 24, 2025
Execution of r013-tall-174853743000059
Last Updated
June 24, 2025

About the Execution of 2024-gold for AutoFlight-PT-02b

Execution Summary
Max Memory
Used (MB)
Time wait (ms) CPU Usage (ms) I/O Wait (ms) Computed Result Execution
Status
15690.680 5510.00 10815.00 87.80 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 normal

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-174853743000059.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-02b, examination is UpperBounds
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r013-tall-174853743000059
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 448K
-rw-r--r-- 1 mcc users 6.2K May 29 14:47 CTLCardinality.txt
-rw-r--r-- 1 mcc users 65K May 29 14:47 CTLCardinality.xml
-rw-r--r-- 1 mcc users 5.8K May 29 14:47 CTLFireability.txt
-rw-r--r-- 1 mcc users 53K 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 3.7K May 29 14:47 LTLCardinality.txt
-rw-r--r-- 1 mcc users 27K 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 17K 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 112K May 29 14:47 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 5.5K May 29 14:47 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 41K 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 48K 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-02b-UpperBounds-00
FORMULA_NAME AutoFlight-PT-02b-UpperBounds-01
FORMULA_NAME AutoFlight-PT-02b-UpperBounds-02
FORMULA_NAME AutoFlight-PT-02b-UpperBounds-03
FORMULA_NAME AutoFlight-PT-02b-UpperBounds-04
FORMULA_NAME AutoFlight-PT-02b-UpperBounds-05
FORMULA_NAME AutoFlight-PT-02b-UpperBounds-06
FORMULA_NAME AutoFlight-PT-02b-UpperBounds-07
FORMULA_NAME AutoFlight-PT-02b-UpperBounds-08
FORMULA_NAME AutoFlight-PT-02b-UpperBounds-09
FORMULA_NAME AutoFlight-PT-02b-UpperBounds-10
FORMULA_NAME AutoFlight-PT-02b-UpperBounds-11
FORMULA_NAME AutoFlight-PT-02b-UpperBounds-12
FORMULA_NAME AutoFlight-PT-02b-UpperBounds-13
FORMULA_NAME AutoFlight-PT-02b-UpperBounds-14
FORMULA_NAME AutoFlight-PT-02b-UpperBounds-15

=== Now, execution of the tool begins

BK_START 1748540842121

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-02b
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
UpperBounds PT
Running Version 202405141337
[2025-05-29 17:47:23] [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 17:47:23] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2025-05-29 17:47:23] [INFO ] Load time of PNML (sax parser for PT used): 63 ms
[2025-05-29 17:47:23] [INFO ] Transformed 206 places.
[2025-05-29 17:47:23] [INFO ] Transformed 204 transitions.
[2025-05-29 17:47:23] [INFO ] Found NUPN structural information;
[2025-05-29 17:47:23] [INFO ] Parsed PT model containing 206 places and 204 transitions and 478 arcs in 153 ms.
Parsed 16 properties from file /home/mcc/execution/UpperBounds.xml in 7 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 204 rows 206 cols
[2025-05-29 17:47:23] [INFO ] Computed 16 invariants in 13 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 (87 resets) in 29 ms. (333 steps per ms)
FORMULA AutoFlight-PT-02b-UpperBounds-15 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA AutoFlight-PT-02b-UpperBounds-14 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA AutoFlight-PT-02b-UpperBounds-13 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA AutoFlight-PT-02b-UpperBounds-11 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA AutoFlight-PT-02b-UpperBounds-10 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA AutoFlight-PT-02b-UpperBounds-08 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA AutoFlight-PT-02b-UpperBounds-07 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA AutoFlight-PT-02b-UpperBounds-06 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA AutoFlight-PT-02b-UpperBounds-05 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA AutoFlight-PT-02b-UpperBounds-04 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA AutoFlight-PT-02b-UpperBounds-03 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA AutoFlight-PT-02b-UpperBounds-02 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA AutoFlight-PT-02b-UpperBounds-01 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA AutoFlight-PT-02b-UpperBounds-00 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
BEST_FIRST walk for 20002 steps (23 resets) in 23 ms. (833 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[0, 0] Max Struct:[1, 1]
[2025-05-29 17:47:23] [INFO ] Invariant cache hit.
[2025-05-29 17:47:23] [INFO ] [Real]Absence check using 15 positive place invariants in 17 ms returned sat
[2025-05-29 17:47:23] [INFO ] [Real]Absence check using 15 positive and 1 generalized place invariants in 1 ms returned sat
[2025-05-29 17:47:23] [INFO ] [Real]Absence check using state equation in 62 ms returned sat
[2025-05-29 17:47:23] [INFO ] Solution in real domain found non-integer solution.
[2025-05-29 17:47:24] [INFO ] [Nat]Absence check using 15 positive place invariants in 7 ms returned sat
[2025-05-29 17:47:24] [INFO ] [Nat]Absence check using 15 positive and 1 generalized place invariants in 2 ms returned sat
[2025-05-29 17:47:24] [INFO ] [Nat]Absence check using state equation in 66 ms returned sat
[2025-05-29 17:47:24] [INFO ] Deduced a trap composed of 28 places in 59 ms of which 9 ms to minimize.
[2025-05-29 17:47:24] [INFO ] Deduced a trap composed of 15 places in 58 ms of which 1 ms to minimize.
[2025-05-29 17:47:24] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 163 ms
[2025-05-29 17:47:24] [INFO ] Computed and/alt/rep : 203/275/203 causal constraints (skipped 0 transitions) in 17 ms.
[2025-05-29 17:47:24] [INFO ] Added : 186 causal constraints over 38 iterations in 570 ms. Result :sat
Minimization took 73 ms.
[2025-05-29 17:47:24] [INFO ] [Real]Absence check using 15 positive place invariants in 6 ms returned sat
[2025-05-29 17:47:24] [INFO ] [Real]Absence check using 15 positive and 1 generalized place invariants in 1 ms returned sat
[2025-05-29 17:47:25] [INFO ] [Real]Absence check using state equation in 51 ms returned sat
[2025-05-29 17:47:25] [INFO ] Deduced a trap composed of 40 places in 51 ms of which 2 ms to minimize.
[2025-05-29 17:47:25] [INFO ] Solution in real domain found non-integer solution.
[2025-05-29 17:47:25] [INFO ] [Nat]Absence check using 15 positive place invariants in 7 ms returned sat
[2025-05-29 17:47:25] [INFO ] [Nat]Absence check using 15 positive and 1 generalized place invariants in 1 ms returned sat
[2025-05-29 17:47:25] [INFO ] [Nat]Absence check using state equation in 54 ms returned sat
[2025-05-29 17:47:25] [INFO ] Deduced a trap composed of 40 places in 46 ms of which 1 ms to minimize.
[2025-05-29 17:47:25] [INFO ] Deduced a trap composed of 37 places in 162 ms of which 1 ms to minimize.
[2025-05-29 17:47:25] [INFO ] Deduced a trap composed of 49 places in 104 ms of which 1 ms to minimize.
[2025-05-29 17:47:25] [INFO ] Deduced a trap composed of 40 places in 45 ms of which 1 ms to minimize.
[2025-05-29 17:47:25] [INFO ] Deduced a trap composed of 34 places in 48 ms of which 7 ms to minimize.
[2025-05-29 17:47:25] [INFO ] Deduced a trap composed of 28 places in 61 ms of which 2 ms to minimize.
[2025-05-29 17:47:25] [INFO ] Deduced a trap composed of 39 places in 47 ms of which 2 ms to minimize.
[2025-05-29 17:47:25] [INFO ] Trap strengthening (SAT) tested/added 8/7 trap constraints in 587 ms
[2025-05-29 17:47:25] [INFO ] Computed and/alt/rep : 203/275/203 causal constraints (skipped 0 transitions) in 13 ms.
[2025-05-29 17:47:26] [INFO ] Added : 203 causal constraints over 41 iterations in 596 ms. Result :sat
Minimization took 62 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[0, 0] Max Struct:[1, 1]
FORMULA AutoFlight-PT-02b-UpperBounds-12 1 TECHNIQUES TOPOLOGICAL PARIKH_WALK
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[1] Max Struct:[1]
Support contains 1 out of 206 places. Attempting structural reductions.
Drop transitions (Removing consumers from one bounded place p68) removed 1 transitions
Starting structural reductions in REACHABILITY mode, iteration 0 : 206/206 places, 203/203 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 77 transitions
Trivial Post-agglo rules discarded 77 transitions
Performed 77 trivial Post agglomeration. Transition count delta: 77
Iterating post reduction 0 with 77 rules applied. Total rules applied 77 place count 206 transition count 126
Reduce places removed 77 places and 0 transitions.
Ensure Unique test removed 9 transitions
Reduce isomorphic transitions removed 9 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 4 transitions
Trivial Post-agglo rules discarded 4 transitions
Performed 4 trivial Post agglomeration. Transition count delta: 4
Iterating post reduction 1 with 90 rules applied. Total rules applied 167 place count 129 transition count 113
Reduce places removed 4 places and 0 transitions.
Iterating post reduction 2 with 4 rules applied. Total rules applied 171 place count 125 transition count 113
Performed 30 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 30 Pre rules applied. Total rules applied 171 place count 125 transition count 83
Deduced a syphon composed of 30 places in 1 ms
Reduce places removed 30 places and 0 transitions.
Iterating global reduction 3 with 60 rules applied. Total rules applied 231 place count 95 transition count 83
Discarding 19 places :
Symmetric choice reduction at 3 with 19 rule applications. Total rules 250 place count 76 transition count 64
Iterating global reduction 3 with 19 rules applied. Total rules applied 269 place count 76 transition count 64
Performed 6 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 6 Pre rules applied. Total rules applied 269 place count 76 transition count 58
Deduced a syphon composed of 6 places in 0 ms
Reduce places removed 6 places and 0 transitions.
Iterating global reduction 3 with 12 rules applied. Total rules applied 281 place count 70 transition count 58
Performed 17 Post agglomeration using F-continuation condition.Transition count delta: 17
Deduced a syphon composed of 17 places in 0 ms
Reduce places removed 17 places and 0 transitions.
Iterating global reduction 3 with 34 rules applied. Total rules applied 315 place count 53 transition count 41
Free-agglomeration rule applied 8 times.
Iterating global reduction 3 with 8 rules applied. Total rules applied 323 place count 53 transition count 33
Reduce places removed 8 places and 0 transitions.
Iterating post reduction 3 with 8 rules applied. Total rules applied 331 place count 45 transition count 33
Partial Post-agglomeration rule applied 1 times.
Drop transitions (Partial Post agglomeration) removed 1 transitions
Iterating global reduction 4 with 1 rules applied. Total rules applied 332 place count 45 transition count 33
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 4 with 1 rules applied. Total rules applied 333 place count 44 transition count 32
Reduce places removed 7 places and 0 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 4 with 17 rules applied. Total rules applied 350 place count 37 transition count 22
Reduce places removed 10 places and 0 transitions.
Iterating post reduction 5 with 10 rules applied. Total rules applied 360 place count 27 transition count 22
Performed 6 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 6 with 6 Pre rules applied. Total rules applied 360 place count 27 transition count 16
Deduced a syphon composed of 6 places in 0 ms
Reduce places removed 6 places and 0 transitions.
Iterating global reduction 6 with 12 rules applied. Total rules applied 372 place count 21 transition count 16
Applied a total of 372 rules in 69 ms. Remains 21 /206 variables (removed 185) and now considering 16/203 (removed 187) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 78 ms. Remains : 21/206 places, 16/203 transitions.
// Phase 1: matrix 16 rows 21 cols
[2025-05-29 17:47:26] [INFO ] Computed 9 invariants in 1 ms
Current structural bounds on expressions (after invariants) : Max Seen:[1] Max Struct:[1]
FORMULA AutoFlight-PT-02b-UpperBounds-09 1 TECHNIQUES TOPOLOGICAL INITIAL_STATE
RANDOM walk for 1000000 steps (33503 resets) in 708 ms. (1410 steps per ms)
BEST_FIRST walk for 0 steps (0 resets) in 0 ms. (0 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[] Max Struct:[]
RANDOM walk for 0 steps (0 resets) in 5 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 17:47:27] [INFO ] Flatten gal took : 20 ms
[2025-05-29 17:47:27] [INFO ] Flatten gal took : 4 ms
[2025-05-29 17:47:27] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality10034253261369437795.gal : 4 ms
[2025-05-29 17:47:27] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality13424907839080658557.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/ReachabilityCardinality10034253261369437795.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality13424907839080658557.prop' '--nowitness' '--gen-order' 'FOLLOW'

ITS runner timed out or was interrupted.
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 4293 ms.

BK_STOP 1748540847631

--------------------
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-02b"
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-02b, 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-174853743000059"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/AutoFlight-PT-02b.tgz
mv AutoFlight-PT-02b 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 ;