Execution Chart

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

Trace from the execution

Formatting '/data/sdalzilio/mcc2026-input.r008-oct2-177944369600072.qcow2', fmt=qcow2 cluster_size=65536 extended_l2=off compression_type=zlib size=4294967296 backing_file=/data/sdalzilio/mcc2026-input.qcow2 backing_fmt=qcow2 lazy_refcounts=off refcount_bits=16
Waiting for the VM to be ready (probing ssh)
..........................
=====================================================================
Generated by BenchKit 2-5973
Executing tool itstools
Input is AirplaneLD-PT-0500, examination is QuasiLiveness
Time confinement is 1800 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r008-oct2-177944369600072
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 9.3M
-rw-r--r-- 1 mcc users 312K Mar 4 16:48 CTLCardinality.txt
-rw-r--r-- 1 mcc users 1023K Mar 4 16:48 CTLCardinality.xml
-rw-r--r-- 1 mcc users 229K Mar 4 16:48 CTLFireability.txt
-rw-r--r-- 1 mcc users 1.4M Mar 4 16:48 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K Mar 3 18:30 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 16K Mar 17 08:36 LTLCardinality.txt
-rw-r--r-- 1 mcc users 56K Mar 17 08:36 LTLCardinality.xml
-rw-r--r-- 1 mcc users 117K Mar 17 08:36 LTLFireability.txt
-rw-r--r-- 1 mcc users 507K Mar 17 08:36 LTLFireability.xml
-rw-r--r-- 1 mcc users 611K Mar 4 16:49 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 2.0M Mar 4 16:49 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 125K Mar 4 16:49 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 687K Mar 4 16:49 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 56K Mar 17 08:36 UpperBounds.txt
-rw-r--r-- 1 mcc users 109K Mar 17 08:36 UpperBounds.xml
-rw-r--r-- 1 mcc users 5 Mar 3 18:30 equiv_col
-rw-r--r-- 1 mcc users 5 Mar 3 18:30 instance
-rw-r--r-- 1 mcc users 6 Mar 3 18:30 iscolored
-rw-r--r-- 1 mcc users 2.2M 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 QuasiLiveness

=== Now, execution of the tool begins

BK_START 1779653886214

Invoking MCC driver with
BK_TOOL=itstools
BK_EXAMINATION=QuasiLiveness
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=1800
BK_INPUT=AirplaneLD-PT-0500
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
QuasiLiveness PT
Running Version 202604301425
[2026-05-24 20:18:07] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, QuasiLiveness, -its, -ltsmin, -greatspnpath, /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/, -order, META, -manyOrder, -smt, -timeout, 1800]
[2026-05-24 20:18:07] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-05-24 20:18:08] [INFO ] Load time of PNML (sax parser for PT used): 620 ms
[2026-05-24 20:18:08] [INFO ] Transformed 3519 places.
[2026-05-24 20:18:08] [INFO ] Transformed 4008 transitions.
[2026-05-24 20:18:08] [INFO ] Found NUPN structural information;
[2026-05-24 20:18:08] [INFO ] Parsed PT model containing 3519 places and 4008 transitions and 15278 arcs in 823 ms.
Starting structural reductions in LIVENESS mode, iteration 0 : 3519/3519 places, 4008/4008 transitions.
Reduce places removed 1505 places and 0 transitions.
Iterating post reduction 0 with 1505 rules applied. Total rules applied 1505 place count 2014 transition count 4008
Applied a total of 1505 rules in 124 ms. Remains 2014 /3519 variables (removed 1505) and now considering 4008/4008 (removed 0) transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-3552123410373190088.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-2867086695661214561.kers'
[2026-05-24 20:18:09] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-3552123410373190088.kers, --Pflows, --basisKERS=/tmp/petrispot-output-2867086695661214561.kers]
Culled 0 columns in 1 ms.
// Phase 1: matrix 4008 rows 2014 cols 8770 entries
Finished phase 1 with 2008 SingleSign rule and 5 generalized
[2026-05-24 20:18:09] [INFO ] Computed 1 invariants in 35 ms
Computed 1 P flows in 36 ms.
Exported basis to /tmp/petrispot-output-2867086695661214561.kers
Total runtime 40 ms.
[2026-05-24 20:18:12] [INFO ] Implicit Places using invariants in 3250 ms returned [2]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 3296 ms to find 1 implicit places.
Starting structural reductions in LIVENESS mode, iteration 1 : 2013/3519 places, 4008/4008 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 2 transitions
Trivial Post-agglo rules discarded 2 transitions
Performed 2 trivial Post agglomeration. Transition count delta: 2
Iterating post reduction 0 with 2 rules applied. Total rules applied 2 place count 2013 transition count 4006
Reduce places removed 2 places and 0 transitions.
Iterating post reduction 1 with 2 rules applied. Total rules applied 4 place count 2011 transition count 4006
Applied a total of 4 rules in 48 ms. Remains 2011 /2013 variables (removed 2) and now considering 4006/4008 (removed 2) transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-16971183624141856234.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-9229338693831928933.kers'
[2026-05-24 20:18:12] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-16971183624141856234.kers, --Pflows, --basisKERS=/tmp/petrispot-output-9229338693831928933.kers]
Culled 0 columns in 1 ms.
// Phase 1: matrix 4006 rows 2011 cols 8764 entries
Finished phase 1 with 2011 SingleSign rule and 0 generalized
[2026-05-24 20:18:12] [INFO ] Computed 0 invariants in 35 ms
Computed 0 P flows in 36 ms.
Exported basis to /tmp/petrispot-output-9229338693831928933.kers
Total runtime 40 ms.
[2026-05-24 20:18:14] [INFO ] Implicit Places using invariants in 2575 ms returned []
[2026-05-24 20:18:14] [INFO ] Invariant cache hit.
[2026-05-24 20:18:23] [INFO ] Implicit Places using invariants and state equation in 8156 ms returned []
Implicit Place search using SMT with State Equation took 10759 ms to find 0 implicit places.
Starting structural reductions in LIVENESS mode, iteration 2 : 2011/3519 places, 4006/4008 transitions.
Finished structural reductions in LIVENESS mode , in 2 iterations and 14256 ms. Remains : 2011/3519 places, 4006/4008 transitions.
Discarding 1999 transitions out of 4006. Remains 2007
Initial state reduction rules removed 5 formulas.
[2026-05-24 20:18:24] [INFO ] Flatten gal took : 484 ms
[2026-05-24 20:18:24] [INFO ] Flatten gal took : 244 ms
[2026-05-24 20:18:25] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality17245189487069798140.gal : 104 ms
[2026-05-24 20:18:25] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality7909143601264811352.prop : 18 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/ReachabilityCardinality17245189487069798140.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality7909143601264811352.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
Loading property file /tmp/ReachabilityCardinality7909143601264811352.prop.
RANDOM walk for 40000 steps (5784 resets) in 11451 ms. (3 steps per ms) remains 618/2002 properties
BEST_FIRST walk for 124 steps (0 resets) in 10 ms. (11 steps per ms) remains 618/618 properties
BEST_FIRST walk for 124 steps (0 resets) in 10 ms. (11 steps per ms) remains 618/618 properties
BEST_FIRST walk for 124 steps (0 resets) in 8 ms. (13 steps per ms) remains 618/618 properties
BEST_FIRST walk for 124 steps (0 resets) in 8 ms. (13 steps per ms) remains 618/618 properties
BEST_FIRST walk for 124 steps (0 resets) in 11 ms. (10 steps per ms) remains 618/618 properties
BEST_FIRST walk for 124 steps (0 resets) in 11 ms. (10 steps per ms) remains 618/618 properties
BEST_FIRST walk for 124 steps (0 resets) in 7 ms. (15 steps per ms) remains 618/618 properties
BEST_FIRST walk for 124 steps (0 resets) in 5 ms. (20 steps per ms) remains 618/618 properties
BEST_FIRST walk for 124 steps (0 resets) in 7 ms. (15 steps per ms) remains 618/618 properties
BEST_FIRST walk for 124 steps (0 resets) in 12 ms. (9 steps per ms) remains 618/618 properties
BEST_FIRST walk for 124 steps (0 resets) in 6 ms. (17 steps per ms) remains 618/618 properties
BEST_FIRST walk for 124 steps (0 resets) in 5 ms. (20 steps per ms) remains 618/618 properties
BEST_FIRST walk for 124 steps (0 resets) in 7 ms. (15 steps per ms) remains 618/618 properties
BEST_FIRST walk for 124 steps (0 resets) in 5 ms. (20 steps per ms) remains 618/618 properties
BEST_FIRST walk for 124 steps (0 resets) in 5 ms. (20 steps per ms) remains 618/618 properties
BEST_FIRST walk for 124 steps (0 resets) in 6 ms. (17 steps per ms) remains 618/618 properties
BEST_FIRST walk for 124 steps (0 resets) in 7 ms. (15 steps per ms) remains 618/618 properties
BEST_FIRST walk for 124 steps (0 resets) in 5 ms. (20 steps per ms) remains 618/618 properties
BEST_FIRST walk for 124 steps (0 resets) in 6 ms. (17 steps per ms) remains 618/618 properties
BEST_FIRST walk for 124 steps (0 resets) in 6 ms. (17 steps per ms) remains 618/618 properties
BEST_FIRST walk for 124 steps (0 resets) in 6 ms. (17 steps per ms) remains 618/618 properties
BEST_FIRST walk for 124 steps (0 resets) in 6 ms. (17 steps per ms) remains 618/618 properties
BEST_FIRST walk for 124 steps (0 resets) in 6 ms. (17 steps per ms) remains 618/618 properties
BEST_FIRST walk for 124 steps (0 resets) in 14 ms. (8 steps per ms) remains 618/618 properties
BEST_FIRST walk for 124 steps (0 resets) in 10 ms. (11 steps per ms) remains 618/618 properties
BEST_FIRST walk for 124 steps (0 resets) in 11 ms. (10 steps per ms) remains 618/618 properties
BEST_FIRST walk for 124 steps (0 resets) in 7 ms. (15 steps per ms) remains 618/618 properties
BEST_FIRST walk for 124 steps (0 resets) in 8 ms. (13 steps per ms) remains 618/618 properties
BEST_FIRST walk for 124 steps (0 resets) in 7 ms. (15 steps per ms) remains 618/618 properties
BEST_FIRST walk for 124 steps (0 resets) in 6 ms. (17 steps per ms) remains 618/618 properties
BEST_FIRST walk for 124 steps (0 resets) in 5 ms. (20 steps per ms) remains 618/618 properties
BEST_FIRST walk for 124 steps (0 resets) in 6 ms. (17 steps per ms) remains 618/618 properties
BEST_FIRST walk for 124 steps (0 resets) in 5 ms. (20 steps per ms) remains 618/618 properties
BEST_FIRST walk for 124 steps (0 resets) in 6 ms. (17 steps per ms) remains 618/618 properties
BEST_FIRST walk for 124 steps (0 resets) in 6 ms. (17 steps per ms) remains 618/618 properties
BEST_FIRST walk for 124 steps (0 resets) in 7 ms. (15 steps per ms) remains 618/618 properties
BEST_FIRST walk for 124 steps (0 resets) in 6 ms. (17 steps per ms) remains 618/618 properties
BEST_FIRST walk for 124 steps (0 resets) in 5 ms. (20 steps per ms) remains 618/618 properties
BEST_FIRST walk for 124 steps (0 resets) in 7 ms. (15 steps per ms) remains 618/618 properties
BEST_FIRST walk for 124 steps (0 resets) in 6 ms. (17 steps per ms) remains 618/618 properties
BEST_FIRST walk for 124 steps (0 resets) in 5 ms. (20 steps per ms) remains 618/618 properties
BEST_FIRST walk for 124 steps (0 resets) in 5 ms. (20 steps per ms) remains 618/618 properties
BEST_FIRST walk for 124 steps (0 resets) in 5 ms. (20 steps per ms) remains 618/618 properties
BEST_FIRST walk for 124 steps (0 resets) in 5 ms. (20 steps per ms) remains 618/618 properties
BEST_FIRST walk for 124 steps (0 resets) in 6 ms. (17 steps per ms) remains 618/618 properties
BEST_FIRST walk for 124 steps (0 resets) in 5 ms. (20 steps per ms) remains 618/618 properties
BEST_FIRST walk for 124 steps (0 resets) in 5 ms. (20 steps per ms) remains 618/618 properties
BEST_FIRST walk for 124 steps (0 resets) in 6 ms. (17 steps per ms) remains 618/618 properties
BEST_FIRST walk for 124 steps (0 resets) in 6 ms. (17 steps per ms) remains 618/618 properties
BEST_FIRST walk for 124 steps (0 resets) in 5 ms. (20 steps per ms) remains 618/618 properties
[2026-05-24 20:18:26] [INFO ] Invariant cache hit.
Excessive predecessor constraint size, skipping predecessor.
SDD proceeding with computation,2002 properties remain. new max is 4
SDD size :1 after 283
SDD proceeding with computation,2002 properties remain. new max is 8
SDD size :283 after 288
Error getting values : (error "Timeout of Z3 solver reached")
At refinement iteration 0 (INCLUDED_ONLY) 0/621 variables, 621/621 constraints. Problems are: Problem set: 0 solved, 618 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 621/6017 variables, and 621 constraints, problems are : Problem set: 0 solved, 618 unsolved in 5068 ms.
Refiners :[Domain max(s): 621/2011 constraints, State Equation: 0/2011 constraints, PredecessorRefiner: 618/253 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 618 unsolved
SDD proceeding with computation,2002 properties remain. new max is 16
SDD size :288 after 297
At refinement iteration 0 (INCLUDED_ONLY) 0/621 variables, 621/621 constraints. Problems are: Problem set: 0 solved, 618 unsolved
SDD proceeding with computation,2002 properties remain. new max is 32
SDD size :297 after 313
SDD proceeding with computation,2002 properties remain. new max is 64
SDD size :313 after 346
Error getting values : (error "Timeout of Z3 solver reached")
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 621/6017 variables, and 621 constraints, problems are : Problem set: 0 solved, 618 unsolved in 5020 ms.
Refiners :[Domain max(s): 621/2011 constraints, State Equation: 0/2011 constraints, PredecessorRefiner: 365/253 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 12640ms problems are : Problem set: 0 solved, 618 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 621 out of 2011 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 2011/2011 places, 4006/4006 transitions.
Graph (complete) has 2759 edges and 2011 vertex of which 2010 are kept as prefixes of interest. Removing 1 places using SCC suffix rule.8 ms
Discarding 1 places :
Also discarding 0 output transitions
Drop transitions (Empty/Sink Transition effects.) removed 3 transitions
Reduce isomorphic transitions removed 3 transitions.
Iterating post reduction 0 with 3 rules applied. Total rules applied 4 place count 2010 transition count 4003
Performed 2 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 1 with 2 Pre rules applied. Total rules applied 4 place count 2010 transition count 4001
Deduced a syphon composed of 2 places in 6 ms
Ensure Unique test removed 1 places
Reduce places removed 3 places and 0 transitions.
Iterating global reduction 1 with 5 rules applied. Total rules applied 9 place count 2007 transition count 4001
Discarding 1377 places :
Symmetric choice reduction at 1 with 1377 rule applications. Total rules 1386 place count 630 transition count 2624
Iterating global reduction 1 with 1377 rules applied. Total rules applied 2763 place count 630 transition count 2624
Ensure Unique test removed 1377 transitions
Reduce isomorphic transitions removed 1377 transitions.
Iterating post reduction 1 with 1377 rules applied. Total rules applied 4140 place count 630 transition count 1247
Free-agglomeration rule applied 5 times.
Iterating global reduction 2 with 5 rules applied. Total rules applied 4145 place count 630 transition count 1242
Reduce places removed 5 places and 0 transitions.
Iterating post reduction 2 with 5 rules applied. Total rules applied 4150 place count 625 transition count 1242
Applied a total of 4150 rules in 282 ms. Remains 625 /2011 variables (removed 1386) and now considering 1242/4006 (removed 2764) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 282 ms. Remains : 625/2011 places, 1242/4006 transitions.
RANDOM walk for 163008 steps (24032 resets) in 5753 ms. (28 steps per ms) remains 0/618 properties
ITS runner timed out or was interrupted.
ITS tools runner thread asked to quit. Dying gracefully.
Able to resolve query QuasiLiveness after proving 2007 properties.
FORMULA QuasiLiveness TRUE TECHNIQUES RANDOM_WALK TOPOLOGICAL INITIAL_STATE
Total runtime 33169 ms.

BK_STOP 1779653921177

--------------------
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
+ [[ QuasiLiveness = StateSpace ]]
+ /home/mcc/BenchKit/bin//../itstools/bin//..//runeclipse.sh /home/mcc/execution QuasiLiveness -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 QuasiLiveness -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="AirplaneLD-PT-0500"
export BK_EXAMINATION="QuasiLiveness"
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 AirplaneLD-PT-0500, examination is QuasiLiveness"
echo " Time confinement is $BK_TIME_CONFINEMENT seconds"
echo " Memory confinement is 16384 MBytes"
echo " Number of cores is 4"
echo " Run identifier is r008-oct2-177944369600072"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/AirplaneLD-PT-0500.tgz
mv AirplaneLD-PT-0500 execution
cd execution
if [ "QuasiLiveness" = "ReachabilityDeadlock" ] || [ "QuasiLiveness" = "UpperBounds" ] || [ "QuasiLiveness" = "QuasiLiveness" ] || [ "QuasiLiveness" = "StableMarking" ] || [ "QuasiLiveness" = "Liveness" ] || [ "QuasiLiveness" = "OneSafe" ] || [ "QuasiLiveness" = "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 [ "QuasiLiveness" = "UpperBounds" ] ; then
echo "The expected result is a vector of positive values"
echo NUM_VECTOR
elif [ "QuasiLiveness" != "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 "QuasiLiveness.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 '' QuasiLiveness.xml | cut -d '>' -f 2 | cut -d '<' -f 1 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ "QuasiLiveness" = "ReachabilityDeadlock" ] || [ "QuasiLiveness" = "QuasiLiveness" ] || [ "QuasiLiveness" = "StableMarking" ] || [ "QuasiLiveness" = "Liveness" ] || [ "QuasiLiveness" = "OneSafe" ] ; then
echo "FORMULA_NAME QuasiLiveness"
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 ;