fond
Model Checking Contest 2023
13th edition, Paris, France, April 26, 2023 (at TOOLympics II)
Execution of r359-smll-167891808900380
Last Updated
May 14, 2023

About the Execution of LoLa+red for SemanticWebServices-PT-S128P06

Execution Summary
Max Memory
Used (MB)
Time wait (ms) CPU Usage (ms) I/O Wait (ms) Computed Result Execution
Status
241.207 8380.00 15407.00 376.90 FFTFTFFFTFTTFTTF normal

Execution Chart

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

Trace from the execution

Formatting '/data/fkordon/mcc2023-input.r359-smll-167891808900380.qcow2', fmt=qcow2 size=4294967296 backing_file=/data/fkordon/mcc2023-input.qcow2 cluster_size=65536 lazy_refcounts=off refcount_bits=16
Waiting for the VM to be ready (probing ssh)
.........................................................................
=====================================================================
Generated by BenchKit 2-5348
Executing tool lolaxred
Input is SemanticWebServices-PT-S128P06, examination is LTLFireability
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r359-smll-167891808900380
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 1.7M
-rw-r--r-- 1 mcc users 6.0K Feb 26 10:16 CTLCardinality.txt
-rw-r--r-- 1 mcc users 58K Feb 26 10:16 CTLCardinality.xml
-rw-r--r-- 1 mcc users 6.7K Feb 26 10:15 CTLFireability.txt
-rw-r--r-- 1 mcc users 64K Feb 26 10:15 CTLFireability.xml
-rw-r--r-- 1 mcc users 3.9K Feb 25 16:50 LTLCardinality.txt
-rw-r--r-- 1 mcc users 27K Feb 25 16:50 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.5K Feb 25 16:50 LTLFireability.txt
-rw-r--r-- 1 mcc users 19K Feb 25 16:50 LTLFireability.xml
-rw-r--r-- 1 mcc users 11K Feb 26 10:16 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 106K Feb 26 10:16 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 13K Feb 26 10:16 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 120K Feb 26 10:16 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.8K Feb 25 16:50 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.9K Feb 25 16:50 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 Mar 5 18:23 equiv_col
-rw-r--r-- 1 mcc users 8 Mar 5 18:23 instance
-rw-r--r-- 1 mcc users 6 Mar 5 18:23 iscolored
-rw-r--r-- 1 mcc users 1.2M Mar 5 18:23 model.pnml

--------------------
content from stdout:

=== Data for post analysis generated by BenchKit (invocation template)

The expected result is a vector of booleans
BOOL_VECTOR

here is the order used to build the result vector(from text file)
FORMULA_NAME SemanticWebServices-PT-S128P06-LTLFireability-00
FORMULA_NAME SemanticWebServices-PT-S128P06-LTLFireability-01
FORMULA_NAME SemanticWebServices-PT-S128P06-LTLFireability-02
FORMULA_NAME SemanticWebServices-PT-S128P06-LTLFireability-03
FORMULA_NAME SemanticWebServices-PT-S128P06-LTLFireability-04
FORMULA_NAME SemanticWebServices-PT-S128P06-LTLFireability-05
FORMULA_NAME SemanticWebServices-PT-S128P06-LTLFireability-06
FORMULA_NAME SemanticWebServices-PT-S128P06-LTLFireability-07
FORMULA_NAME SemanticWebServices-PT-S128P06-LTLFireability-08
FORMULA_NAME SemanticWebServices-PT-S128P06-LTLFireability-09
FORMULA_NAME SemanticWebServices-PT-S128P06-LTLFireability-10
FORMULA_NAME SemanticWebServices-PT-S128P06-LTLFireability-11
FORMULA_NAME SemanticWebServices-PT-S128P06-LTLFireability-12
FORMULA_NAME SemanticWebServices-PT-S128P06-LTLFireability-13
FORMULA_NAME SemanticWebServices-PT-S128P06-LTLFireability-14
FORMULA_NAME SemanticWebServices-PT-S128P06-LTLFireability-15

=== Now, execution of the tool begins

BK_START 1679087466034

bash -c /home/mcc/BenchKit/BenchKit_head.sh 2> STDERR ; echo ; echo -n "BK_STOP " ; date -u +%s%3N
Invoking MCC driver with
BK_TOOL=lolaxred
BK_EXAMINATION=LTLFireability
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=SemanticWebServices-PT-S128P06
Applying reductions before tool lola
Invoking reducer
Running Version 202303021504
[2023-03-17 21:11:09] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, LTLFireability, -timeout, 360, -rebuildPNML]
[2023-03-17 21:11:09] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2023-03-17 21:11:10] [INFO ] Load time of PNML (sax parser for PT used): 408 ms
[2023-03-17 21:11:10] [INFO ] Transformed 262 places.
[2023-03-17 21:11:10] [INFO ] Transformed 1328 transitions.
[2023-03-17 21:11:10] [INFO ] Parsed PT model containing 262 places and 1328 transitions and 9727 arcs in 602 ms.
Parsed 16 properties from file /home/mcc/execution/LTLFireability.xml in 17 ms.
Working with output stream class java.io.PrintStream
Initial state reduction rules removed 5 formulas.
Deduced a syphon composed of 82 places in 9 ms
Reduce places removed 82 places and 792 transitions.
Ensure Unique test removed 195 transitions
Reduce redundant transitions removed 195 transitions.
FORMULA SemanticWebServices-PT-S128P06-LTLFireability-00 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA SemanticWebServices-PT-S128P06-LTLFireability-01 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA SemanticWebServices-PT-S128P06-LTLFireability-02 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA SemanticWebServices-PT-S128P06-LTLFireability-04 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA SemanticWebServices-PT-S128P06-LTLFireability-07 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA SemanticWebServices-PT-S128P06-LTLFireability-11 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA SemanticWebServices-PT-S128P06-LTLFireability-12 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA SemanticWebServices-PT-S128P06-LTLFireability-13 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA SemanticWebServices-PT-S128P06-LTLFireability-14 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA SemanticWebServices-PT-S128P06-LTLFireability-15 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA SemanticWebServices-PT-S128P06-LTLFireability-03 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA SemanticWebServices-PT-S128P06-LTLFireability-05 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA SemanticWebServices-PT-S128P06-LTLFireability-09 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA SemanticWebServices-PT-S128P06-LTLFireability-10 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Support contains 8 out of 180 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 180/180 places, 341/341 transitions.
Ensure Unique test removed 12 places
Reduce places removed 114 places and 0 transitions.
Ensure Unique test removed 203 transitions
Reduce isomorphic transitions removed 203 transitions.
Iterating post reduction 0 with 317 rules applied. Total rules applied 317 place count 66 transition count 138
Discarding 14 places :
Symmetric choice reduction at 1 with 14 rule applications. Total rules 331 place count 52 transition count 109
Iterating global reduction 1 with 14 rules applied. Total rules applied 345 place count 52 transition count 109
Ensure Unique test removed 11 transitions
Reduce isomorphic transitions removed 11 transitions.
Iterating post reduction 1 with 11 rules applied. Total rules applied 356 place count 52 transition count 98
Discarding 6 places :
Symmetric choice reduction at 2 with 6 rule applications. Total rules 362 place count 46 transition count 92
Iterating global reduction 2 with 6 rules applied. Total rules applied 368 place count 46 transition count 92
Ensure Unique test removed 6 transitions
Reduce isomorphic transitions removed 6 transitions.
Iterating post reduction 2 with 6 rules applied. Total rules applied 374 place count 46 transition count 86
Drop transitions removed 26 transitions
Redundant transition composition rules discarded 26 transitions
Iterating global reduction 3 with 26 rules applied. Total rules applied 400 place count 46 transition count 60
Reduce places removed 13 places and 0 transitions.
Ensure Unique test removed 14 transitions
Reduce isomorphic transitions removed 14 transitions.
Iterating post reduction 3 with 27 rules applied. Total rules applied 427 place count 33 transition count 46
Applied a total of 427 rules in 35 ms. Remains 33 /180 variables (removed 147) and now considering 46/341 (removed 295) transitions.
[2023-03-17 21:11:10] [INFO ] Flow matrix only has 40 transitions (discarded 6 similar events)
// Phase 1: matrix 40 rows 33 cols
[2023-03-17 21:11:10] [INFO ] Computed 2 place invariants in 6 ms
[2023-03-17 21:11:10] [INFO ] Implicit Places using invariants in 213 ms returned []
[2023-03-17 21:11:10] [INFO ] Flow matrix only has 40 transitions (discarded 6 similar events)
[2023-03-17 21:11:10] [INFO ] Invariant cache hit.
[2023-03-17 21:11:10] [INFO ] State equation strengthened by 19 read => feed constraints.
[2023-03-17 21:11:10] [INFO ] Implicit Places using invariants and state equation in 112 ms returned []
Implicit Place search using SMT with State Equation took 364 ms to find 0 implicit places.
[2023-03-17 21:11:10] [INFO ] Flow matrix only has 40 transitions (discarded 6 similar events)
[2023-03-17 21:11:10] [INFO ] Invariant cache hit.
[2023-03-17 21:11:10] [INFO ] Dead Transitions using invariants and state equation in 94 ms found 0 transitions.
Starting structural reductions in LTL mode, iteration 1 : 33/180 places, 46/341 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 512 ms. Remains : 33/180 places, 46/341 transitions.
Support contains 8 out of 33 places after structural reductions.
[2023-03-17 21:11:11] [INFO ] Flatten gal took : 38 ms
[2023-03-17 21:11:11] [INFO ] Flatten gal took : 17 ms
[2023-03-17 21:11:11] [INFO ] Input system was already deterministic with 46 transitions.
Support contains 6 out of 33 places (down from 8) after GAL structural reductions.
Finished random walk after 82 steps, including 0 resets, run visited all 2 properties in 24 ms. (steps per millisecond=3 )
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202303021504/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(F(p0)))'
Support contains 3 out of 33 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 33/33 places, 46/46 transitions.
Ensure Unique test removed 1 places
Reduce places removed 4 places and 0 transitions.
Ensure Unique test removed 3 transitions
Reduce isomorphic transitions removed 3 transitions.
Iterating post reduction 0 with 7 rules applied. Total rules applied 7 place count 29 transition count 43
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 8 place count 28 transition count 42
Iterating global reduction 1 with 1 rules applied. Total rules applied 9 place count 28 transition count 42
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 10 place count 27 transition count 41
Iterating global reduction 1 with 1 rules applied. Total rules applied 11 place count 27 transition count 41
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 1 with 1 rules applied. Total rules applied 12 place count 27 transition count 40
Applied a total of 12 rules in 11 ms. Remains 27 /33 variables (removed 6) and now considering 40/46 (removed 6) transitions.
[2023-03-17 21:11:11] [INFO ] Flow matrix only has 35 transitions (discarded 5 similar events)
// Phase 1: matrix 35 rows 27 cols
[2023-03-17 21:11:11] [INFO ] Computed 1 place invariants in 2 ms
[2023-03-17 21:11:11] [INFO ] Implicit Places using invariants in 75 ms returned []
[2023-03-17 21:11:11] [INFO ] Flow matrix only has 35 transitions (discarded 5 similar events)
[2023-03-17 21:11:11] [INFO ] Invariant cache hit.
[2023-03-17 21:11:11] [INFO ] State equation strengthened by 17 read => feed constraints.
[2023-03-17 21:11:11] [INFO ] Implicit Places using invariants and state equation in 98 ms returned []
Implicit Place search using SMT with State Equation took 176 ms to find 0 implicit places.
[2023-03-17 21:11:11] [INFO ] Flow matrix only has 35 transitions (discarded 5 similar events)
[2023-03-17 21:11:11] [INFO ] Invariant cache hit.
[2023-03-17 21:11:11] [INFO ] Dead Transitions using invariants and state equation in 76 ms found 0 transitions.
Starting structural reductions in LTL mode, iteration 1 : 27/33 places, 40/46 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 266 ms. Remains : 27/33 places, 40/46 transitions.
Stuttering acceptance computed with spot in 315 ms :[(NOT p0), (NOT p0)]
Running random walk in product with property : SemanticWebServices-PT-S128P06-LTLFireability-06 automaton TGBA Formula[mat=[[{ cond=true, acceptance={} source=0 dest: 1}], [{ cond=(NOT p0), acceptance={0} source=1 dest: 1}]], initial=0, aps=[p0:(AND (GEQ s9 1) (GEQ s16 1) (GEQ s21 1))], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, deterministic, no-univ-branch, unambiguous, semi-deterministic, stutter-sensitive, very-weak, weak, inherently-weak], stateDesc=[null, null][false, false]]
Stuttering criterion allowed to conclude after 0 steps with 0 reset in 2 ms.
FORMULA SemanticWebServices-PT-S128P06-LTLFireability-06 FALSE TECHNIQUES STUTTER_TEST
Treatment of property SemanticWebServices-PT-S128P06-LTLFireability-06 finished in 719 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202303021504/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(F(p0)))'
Support contains 3 out of 33 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 33/33 places, 46/46 transitions.
Ensure Unique test removed 1 places
Iterating post reduction 0 with 1 rules applied. Total rules applied 1 place count 32 transition count 46
Discarding 2 places :
Symmetric choice reduction at 1 with 2 rule applications. Total rules 3 place count 30 transition count 44
Iterating global reduction 1 with 2 rules applied. Total rules applied 5 place count 30 transition count 44
Ensure Unique test removed 3 transitions
Reduce isomorphic transitions removed 3 transitions.
Iterating post reduction 1 with 3 rules applied. Total rules applied 8 place count 30 transition count 41
Discarding 1 places :
Symmetric choice reduction at 2 with 1 rule applications. Total rules 9 place count 29 transition count 40
Iterating global reduction 2 with 1 rules applied. Total rules applied 10 place count 29 transition count 40
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 2 with 1 rules applied. Total rules applied 11 place count 29 transition count 39
Applied a total of 11 rules in 5 ms. Remains 29 /33 variables (removed 4) and now considering 39/46 (removed 7) transitions.
[2023-03-17 21:11:12] [INFO ] Flow matrix only has 35 transitions (discarded 4 similar events)
// Phase 1: matrix 35 rows 29 cols
[2023-03-17 21:11:12] [INFO ] Computed 1 place invariants in 2 ms
[2023-03-17 21:11:12] [INFO ] Implicit Places using invariants in 66 ms returned []
[2023-03-17 21:11:12] [INFO ] Flow matrix only has 35 transitions (discarded 4 similar events)
[2023-03-17 21:11:12] [INFO ] Invariant cache hit.
[2023-03-17 21:11:12] [INFO ] State equation strengthened by 15 read => feed constraints.
[2023-03-17 21:11:12] [INFO ] Implicit Places using invariants and state equation in 99 ms returned []
Implicit Place search using SMT with State Equation took 167 ms to find 0 implicit places.
[2023-03-17 21:11:12] [INFO ] Flow matrix only has 35 transitions (discarded 4 similar events)
[2023-03-17 21:11:12] [INFO ] Invariant cache hit.
[2023-03-17 21:11:12] [INFO ] Dead Transitions using invariants and state equation in 85 ms found 0 transitions.
Starting structural reductions in LTL mode, iteration 1 : 29/33 places, 39/46 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 259 ms. Remains : 29/33 places, 39/46 transitions.
Stuttering acceptance computed with spot in 104 ms :[(NOT p0), (NOT p0)]
Running random walk in product with property : SemanticWebServices-PT-S128P06-LTLFireability-08 automaton TGBA Formula[mat=[[{ cond=true, acceptance={} source=0 dest: 1}], [{ cond=(NOT p0), acceptance={0} source=1 dest: 1}]], initial=0, aps=[p0:(OR (LT s13 1) (LT s14 1) (LT s22 1))], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, deterministic, no-univ-branch, unambiguous, semi-deterministic, stutter-sensitive, very-weak, weak, inherently-weak], stateDesc=[null, null][false, false]]
Product exploration explored 100000 steps with 50000 reset in 514 ms.
Product exploration explored 100000 steps with 50000 reset in 310 ms.
Computed a total of 8 stabilizing places and 9 stable transitions
Knowledge obtained : [p0, (X p0), (X (X p0))]
False Knowledge obtained : []
Property proved to be true thanks to knowledge :(X p0)
Knowledge based reduction with 3 factoid took 101 ms. Reduced automaton from 2 states, 2 edges and 1 AP (stutter sensitive) to 1 states, 0 edges and 0 AP (stutter insensitive).
FORMULA SemanticWebServices-PT-S128P06-LTLFireability-08 TRUE TECHNIQUES KNOWLEDGE
Treatment of property SemanticWebServices-PT-S128P06-LTLFireability-08 finished in 1324 ms.
All properties solved by simple procedures.
Total runtime 3935 ms.
ITS solved all properties within timeout

BK_STOP 1679087474414

--------------------
content from stderr:

+ 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//../reducer/bin//../../itstools//itstools/plugins/fr.lip6.move.gal.application.pnmcc_1.0.0.202303021504.jar
+ VERSION=202303021504
+ echo 'Running Version 202303021504'
+ /home/mcc/BenchKit/bin//../reducer/bin//../../itstools//itstools/its-tools -pnfolder /home/mcc/execution -examination LTLFireability -timeout 360 -rebuildPNML

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="SemanticWebServices-PT-S128P06"
export BK_EXAMINATION="LTLFireability"
export BK_TOOL="lolaxred"
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 2-5348"
echo " Executing tool lolaxred"
echo " Input is SemanticWebServices-PT-S128P06, examination is LTLFireability"
echo " Time confinement is $BK_TIME_CONFINEMENT seconds"
echo " Memory confinement is 16384 MBytes"
echo " Number of cores is 4"
echo " Run identifier is r359-smll-167891808900380"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/SemanticWebServices-PT-S128P06.tgz
mv SemanticWebServices-PT-S128P06 execution
cd execution
if [ "LTLFireability" = "ReachabilityDeadlock" ] || [ "LTLFireability" = "UpperBounds" ] || [ "LTLFireability" = "QuasiLiveness" ] || [ "LTLFireability" = "StableMarking" ] || [ "LTLFireability" = "Liveness" ] || [ "LTLFireability" = "OneSafe" ] || [ "LTLFireability" = "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 [ "LTLFireability" = "UpperBounds" ] ; then
echo "The expected result is a vector of positive values"
echo NUM_VECTOR
elif [ "LTLFireability" != "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 "LTLFireability.txt" ] ; then
echo "here is the order used to build the result vector(from text file)"
for x in $(grep Property LTLFireability.txt | cut -d ' ' -f 2 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ -f "LTLFireability.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 '' LTLFireability.xml | cut -d '>' -f 2 | cut -d '<' -f 1 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ "LTLFireability" = "ReachabilityDeadlock" ] || [ "LTLFireability" = "QuasiLiveness" ] || [ "LTLFireability" = "StableMarking" ] || [ "LTLFireability" = "Liveness" ] || [ "LTLFireability" = "OneSafe" ] ; then
echo "FORMULA_NAME LTLFireability"
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 ;