fond
Model Checking Contest 2024
14th edition, Geneva, Switzerland, June 25, 2024
Execution of r631-smll-171774447100054
Last Updated
July 7, 2024

About the Execution of LTSMin+red for ResIsolation-PT-N09P2

Execution Summary
Max Memory
Used (MB)
Time wait (ms) CPU Usage (ms) I/O Wait (ms) Computed Result Execution
Status
1708.644 438942.00 504290.00 1309.20 TTT?TTTT?T?TTT?F normal

Execution Chart

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

Trace from the execution

Formatting '/data/fkordon/mcc2024-input.r631-smll-171774447100054.qcow2', fmt=qcow2 size=4294967296 backing_file=/data/fkordon/mcc2024-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 2-5568
Executing tool ltsminxred
Input is ResIsolation-PT-N09P2, examination is ReachabilityCardinality
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r631-smll-171774447100054
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 21M
-rw-r--r-- 1 mcc users 5.8K Jun 7 06:38 CTLCardinality.txt
-rw-r--r-- 1 mcc users 59K Jun 7 06:38 CTLCardinality.xml
-rw-r--r-- 1 mcc users 5.4K Jun 7 06:38 CTLFireability.txt
-rw-r--r-- 1 mcc users 45K Jun 7 06:38 CTLFireability.xml
-rw-r--r-- 1 mcc users 3.5K Jun 7 06:44 LTLCardinality.txt
-rw-r--r-- 1 mcc users 23K Jun 7 06:44 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.3K Jun 7 06:44 LTLFireability.txt
-rw-r--r-- 1 mcc users 17K Jun 7 06:44 LTLFireability.xml
-rw-r--r-- 1 mcc users 1 Jun 7 06:26 NewModel
-rw-r--r-- 1 mcc users 11K Jun 7 06:39 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 114K Jun 7 06:39 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 7.6K Jun 7 06:39 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 60K Jun 7 06:39 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.7K Jun 7 06:43 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.7K Jun 7 06:43 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 Jun 7 06:26 equiv_col
-rw-r--r-- 1 mcc users 6 Jun 7 06:26 instance
-rw-r--r-- 1 mcc users 6 Jun 7 06:26 iscolored
-rw-r--r-- 1 mcc users 21M Jun 7 06:26 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 ResIsolation-PT-N09P2-ReachabilityCardinality-2024-00
FORMULA_NAME ResIsolation-PT-N09P2-ReachabilityCardinality-2024-01
FORMULA_NAME ResIsolation-PT-N09P2-ReachabilityCardinality-2024-02
FORMULA_NAME ResIsolation-PT-N09P2-ReachabilityCardinality-2024-03
FORMULA_NAME ResIsolation-PT-N09P2-ReachabilityCardinality-2024-04
FORMULA_NAME ResIsolation-PT-N09P2-ReachabilityCardinality-2024-05
FORMULA_NAME ResIsolation-PT-N09P2-ReachabilityCardinality-2024-06
FORMULA_NAME ResIsolation-PT-N09P2-ReachabilityCardinality-2024-07
FORMULA_NAME ResIsolation-PT-N09P2-ReachabilityCardinality-2024-08
FORMULA_NAME ResIsolation-PT-N09P2-ReachabilityCardinality-2024-09
FORMULA_NAME ResIsolation-PT-N09P2-ReachabilityCardinality-2024-10
FORMULA_NAME ResIsolation-PT-N09P2-ReachabilityCardinality-2024-11
FORMULA_NAME ResIsolation-PT-N09P2-ReachabilityCardinality-2024-12
FORMULA_NAME ResIsolation-PT-N09P2-ReachabilityCardinality-2024-13
FORMULA_NAME ResIsolation-PT-N09P2-ReachabilityCardinality-2024-14
FORMULA_NAME ResIsolation-PT-N09P2-ReachabilityCardinality-2024-15

=== Now, execution of the tool begins

BK_START 1717779241361

Invoking MCC driver with
BK_TOOL=ltsminxred
BK_EXAMINATION=ReachabilityCardinality
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=ResIsolation-PT-N09P2
BK_MEMORY_CONFINEMENT=16384
Applying reductions before tool ltsmin
Invoking reducer
Running Version 202405141337
[2024-06-07 16:54:03] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, ReachabilityCardinality, -timeout, 360, -rebuildPNML]
[2024-06-07 16:54:03] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2024-06-07 16:54:05] [INFO ] Load time of PNML (sax parser for PT used): 1640 ms
[2024-06-07 16:54:05] [INFO ] Transformed 338 places.
[2024-06-07 16:54:05] [INFO ] Transformed 18735 transitions.
[2024-06-07 16:54:05] [INFO ] Found NUPN structural information;
[2024-06-07 16:54:05] [INFO ] Parsed PT model containing 338 places and 18735 transitions and 406120 arcs in 2216 ms.
Parsed 16 properties from file /home/mcc/execution/ReachabilityCardinality.xml in 50 ms.
Working with output stream class java.io.PrintStream
FORMULA ResIsolation-PT-N09P2-ReachabilityCardinality-2024-04 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA ResIsolation-PT-N09P2-ReachabilityCardinality-2024-07 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
RANDOM walk for 40000 steps (8 resets) in 13024 ms. (3 steps per ms) remains 13/14 properties
FORMULA ResIsolation-PT-N09P2-ReachabilityCardinality-2024-13 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
BEST_FIRST walk for 40003 steps (8 resets) in 2029 ms. (19 steps per ms) remains 13/13 properties
BEST_FIRST walk for 40003 steps (8 resets) in 3302 ms. (12 steps per ms) remains 13/13 properties
BEST_FIRST walk for 40003 steps (8 resets) in 1289 ms. (31 steps per ms) remains 13/13 properties
BEST_FIRST walk for 40000 steps (8 resets) in 2814 ms. (14 steps per ms) remains 13/13 properties
BEST_FIRST walk for 40003 steps (8 resets) in 2283 ms. (17 steps per ms) remains 13/13 properties
BEST_FIRST walk for 40003 steps (8 resets) in 1678 ms. (23 steps per ms) remains 13/13 properties
BEST_FIRST walk for 40003 steps (8 resets) in 1944 ms. (20 steps per ms) remains 13/13 properties
BEST_FIRST walk for 40001 steps (8 resets) in 1858 ms. (21 steps per ms) remains 13/13 properties
BEST_FIRST walk for 40004 steps (8 resets) in 1248 ms. (32 steps per ms) remains 13/13 properties
BEST_FIRST walk for 40003 steps (8 resets) in 1699 ms. (23 steps per ms) remains 13/13 properties
BEST_FIRST walk for 40003 steps (8 resets) in 1620 ms. (24 steps per ms) remains 13/13 properties
BEST_FIRST walk for 40004 steps (8 resets) in 1530 ms. (26 steps per ms) remains 13/13 properties
BEST_FIRST walk for 40004 steps (8 resets) in 1757 ms. (22 steps per ms) remains 13/13 properties
Interrupted probabilistic random walk after 568230 steps, run timeout after 39001 ms. (steps per millisecond=14 ) properties seen :9 out of 13
Probabilistic random walk after 568230 steps, saw 99507 distinct states, run finished after 39014 ms. (steps per millisecond=14 ) properties seen :9
FORMULA ResIsolation-PT-N09P2-ReachabilityCardinality-2024-15 FALSE TECHNIQUES TOPOLOGICAL PROBABILISTIC_WALK
FORMULA ResIsolation-PT-N09P2-ReachabilityCardinality-2024-12 TRUE TECHNIQUES TOPOLOGICAL PROBABILISTIC_WALK
FORMULA ResIsolation-PT-N09P2-ReachabilityCardinality-2024-11 TRUE TECHNIQUES TOPOLOGICAL PROBABILISTIC_WALK
FORMULA ResIsolation-PT-N09P2-ReachabilityCardinality-2024-09 TRUE TECHNIQUES TOPOLOGICAL PROBABILISTIC_WALK
FORMULA ResIsolation-PT-N09P2-ReachabilityCardinality-2024-06 TRUE TECHNIQUES TOPOLOGICAL PROBABILISTIC_WALK
FORMULA ResIsolation-PT-N09P2-ReachabilityCardinality-2024-05 TRUE TECHNIQUES TOPOLOGICAL PROBABILISTIC_WALK
FORMULA ResIsolation-PT-N09P2-ReachabilityCardinality-2024-02 TRUE TECHNIQUES TOPOLOGICAL PROBABILISTIC_WALK
FORMULA ResIsolation-PT-N09P2-ReachabilityCardinality-2024-01 TRUE TECHNIQUES TOPOLOGICAL PROBABILISTIC_WALK
FORMULA ResIsolation-PT-N09P2-ReachabilityCardinality-2024-00 TRUE TECHNIQUES TOPOLOGICAL PROBABILISTIC_WALK
// Phase 1: matrix 18735 rows 338 cols
[2024-06-07 16:54:59] [INFO ] Computed 11 invariants in 639 ms
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/23 variables, 23/23 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/23 variables, 0/23 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 2 (OVERLAPS) 287/310 variables, 10/33 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/310 variables, 287/320 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/310 variables, 0/320 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 5 (OVERLAPS) 28/338 variables, 1/321 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/338 variables, 28/349 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/338 variables, 0/349 constraints. Problems are: Problem set: 0 solved, 4 unsolved
SMT process timed out in 6352ms, After SMT, problems are : Problem set: 0 solved, 4 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 23 out of 338 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 338/338 places, 18735/18735 transitions.
Graph (trivial) has 252 edges and 338 vertex of which 21 / 338 are part of one of the 7 SCC in 11 ms
Free SCC test removed 14 places
Drop transitions (Empty/Sink Transition effects.) removed 21 transitions
Reduce isomorphic transitions removed 21 transitions.
Graph (complete) has 3790 edges and 324 vertex of which 292 are kept as prefixes of interest. Removing 32 places using SCC suffix rule.169 ms
Discarding 32 places :
Also discarding 21 output transitions
Drop transitions (Output transitions of discarded places.) removed 21 transitions
Drop transitions (Empty/Sink Transition effects.) removed 10 transitions
Reduce isomorphic transitions removed 10 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 40 transitions
Trivial Post-agglo rules discarded 40 transitions
Performed 40 trivial Post agglomeration. Transition count delta: 40
Iterating post reduction 0 with 50 rules applied. Total rules applied 52 place count 292 transition count 18643
Reduce places removed 40 places and 0 transitions.
Performed 2 Post agglomeration using F-continuation condition.Transition count delta: 2
Iterating post reduction 1 with 42 rules applied. Total rules applied 94 place count 252 transition count 18641
Reduce places removed 2 places and 0 transitions.
Iterating post reduction 2 with 2 rules applied. Total rules applied 96 place count 250 transition count 18641
Performed 2 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 2 Pre rules applied. Total rules applied 96 place count 250 transition count 18639
Deduced a syphon composed of 2 places in 25 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 3 with 4 rules applied. Total rules applied 100 place count 248 transition count 18639
Discarding 150 places :
Symmetric choice reduction at 3 with 150 rule applications. Total rules 250 place count 98 transition count 18489
Iterating global reduction 3 with 150 rules applied. Total rules applied 400 place count 98 transition count 18489
Ensure Unique test removed 258 transitions
Reduce isomorphic transitions removed 258 transitions.
Iterating post reduction 3 with 258 rules applied. Total rules applied 658 place count 98 transition count 18231
Performed 2 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 4 with 2 Pre rules applied. Total rules applied 658 place count 98 transition count 18229
Deduced a syphon composed of 2 places in 26 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 4 with 4 rules applied. Total rules applied 662 place count 96 transition count 18229
Performed 14 Post agglomeration using F-continuation condition.Transition count delta: 14
Deduced a syphon composed of 14 places in 19 ms
Reduce places removed 14 places and 0 transitions.
Iterating global reduction 4 with 28 rules applied. Total rules applied 690 place count 82 transition count 18215
Drop transitions (Redundant composition of simpler transitions.) removed 546 transitions
Redundant transition composition rules discarded 546 transitions
Iterating global reduction 4 with 546 rules applied. Total rules applied 1236 place count 82 transition count 17669
Free-agglomeration rule applied 10 times.
Iterating global reduction 4 with 10 rules applied. Total rules applied 1246 place count 82 transition count 17659
Reduce places removed 10 places and 0 transitions.
Ensure Unique test removed 320 transitions
Reduce isomorphic transitions removed 320 transitions.
Iterating post reduction 4 with 330 rules applied. Total rules applied 1576 place count 72 transition count 17339
Drop transitions (Redundant composition of simpler transitions.) removed 544 transitions
Redundant transition composition rules discarded 544 transitions
Iterating global reduction 5 with 544 rules applied. Total rules applied 2120 place count 72 transition count 16795
Partial Post-agglomeration rule applied 1 times.
Drop transitions (Partial Post agglomeration) removed 1 transitions
Iterating global reduction 5 with 1 rules applied. Total rules applied 2121 place count 72 transition count 16795
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 5 with 1 rules applied. Total rules applied 2122 place count 71 transition count 16794
Applied a total of 2122 rules in 371042 ms. Remains 71 /338 variables (removed 267) and now considering 16794/18735 (removed 1941) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 371078 ms. Remains : 71/338 places, 16794/18735 transitions.
[2024-06-07 17:01:16] [INFO ] Export to MCC of 4 properties in file /home/mcc/execution/ReachabilityCardinality.sr.xml took 9 ms.
[2024-06-07 17:01:16] [INFO ] Export to PNML in file /home/mcc/execution/model.sr.pnml of net with 71 places, 16794 transitions and 368877 arcs took 259 ms.
[2024-06-07 17:01:19] [INFO ] Flatten gal took : 2797 ms
Total runtime 436436 ms.
There are residual formulas that ITS could not solve within timeout
Usage: pnml2lts-sym [-gvqh] [--order=]
[--mu-opt] [--saturation=]
[--sat-granularity=] [--save-sat-levels]
[--guidance=] [-d|--deadlock]
[--action=] [-i|--invariant=STRING] [-n|--no-exit]
[--trace=] [--type=]
[--mu=.mu] [--ctl-star=.ctl]
[--ctl=.ctl] [--ltl=.ltl] [--dot=STRING]
[--save-levels=STRING] [--pg-solve] [--attr=]
[--saturating-attractor] [--write-strategy=.spg]
[--check-strategy] [--interactive-play] [--player]
[--pg-write=.spg] [--no-matrix] [--noack=<1|2>]
[--edge-label=] [--labels] [-m|--matrix]
[--mucalc=.mcf|] [-c|--cache]
[--allow-undefined-edges] [--allow-undefined-values]
[-p|--por= (default: heur)]
[--weak=[valmari] (default: uses stronger left-commutativity)]
[--leap] [-r|--regroup=<(T,)+>] [--sloan-w1=] [--sloan-w2=]
[--cw-max-cols=] [--cw-max-rows=] [--col-ins=<(C.C',)+>]
[--mh-timeout=] [--row-perm=<(R,)+>] [--col-perm=<(C,)+>]
[--graph-metrics] [--regroup-exit] [--regroup-time]
[-g|--pins-guards] [--vset=] [--ldd32-step=]
[--ldd32-cache=] [--ldd-step=] [--ldd-cache=]
[--cache-ratio=] [--max-increase=]
[--min-free-nodes=] [--fdd-bits=]
[--fdd-reorder=]
[--vset-cache-diff=] [--no-soundness-check] [--precise]
[--next-union] [--peak-nodes] [--maxsum=]
[--block-size=] [--cluster-size=] [-v] [-q]
[--debug=] [--stats] [--where] [--when]
[--timeout=INT] [--version] [-h|--help] [--usage]
[OPTIONS] []
Could not compute solution for formula : ResIsolation-PT-N09P2-ReachabilityCardinality-2024-03
Could not compute solution for formula : ResIsolation-PT-N09P2-ReachabilityCardinality-2024-08
Could not compute solution for formula : ResIsolation-PT-N09P2-ReachabilityCardinality-2024-10
Could not compute solution for formula : ResIsolation-PT-N09P2-ReachabilityCardinality-2024-14

BK_STOP 1717779680303

--------------------
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_1.0.0.202405141337.jar
+ VERSION=202405141337
+ echo 'Running Version 202405141337'
+ /home/mcc/BenchKit/bin//../reducer/bin//../../itstools//itstools/its-tools -pnfolder /home/mcc/execution -examination ReachabilityCardinality -timeout 360 -rebuildPNML
mcc2024
rfs formula name ResIsolation-PT-N09P2-ReachabilityCardinality-2024-03
rfs formula type AG
rfs formula formula --invariant=/tmp/526/inv_0_
rfs formula name ResIsolation-PT-N09P2-ReachabilityCardinality-2024-08
rfs formula type AG
rfs formula formula --invariant=/tmp/526/inv_1_
rfs formula name ResIsolation-PT-N09P2-ReachabilityCardinality-2024-10
rfs formula type AG
rfs formula formula --invariant=/tmp/526/inv_2_
rfs formula name ResIsolation-PT-N09P2-ReachabilityCardinality-2024-14
rfs formula type EF
rfs formula formula --invariant=/tmp/526/inv_3_
pnml2lts-sym, ** error **: unknown vector set implementation lddmc

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="ResIsolation-PT-N09P2"
export BK_EXAMINATION="ReachabilityCardinality"
export BK_TOOL="ltsminxred"
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 2-5568"
echo " Executing tool ltsminxred"
echo " Input is ResIsolation-PT-N09P2, examination is ReachabilityCardinality"
echo " Time confinement is $BK_TIME_CONFINEMENT seconds"
echo " Memory confinement is 16384 MBytes"
echo " Number of cores is 4"
echo " Run identifier is r631-smll-171774447100054"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/ResIsolation-PT-N09P2.tgz
mv ResIsolation-PT-N09P2 execution
cd execution
if [ "ReachabilityCardinality" = "ReachabilityDeadlock" ] || [ "ReachabilityCardinality" = "UpperBounds" ] || [ "ReachabilityCardinality" = "QuasiLiveness" ] || [ "ReachabilityCardinality" = "StableMarking" ] || [ "ReachabilityCardinality" = "Liveness" ] || [ "ReachabilityCardinality" = "OneSafe" ] || [ "ReachabilityCardinality" = "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 [ "ReachabilityCardinality" = "UpperBounds" ] ; then
echo "The expected result is a vector of positive values"
echo NUM_VECTOR
elif [ "ReachabilityCardinality" != "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 "ReachabilityCardinality.txt" ] ; then
echo "here is the order used to build the result vector(from text file)"
for x in $(grep Property ReachabilityCardinality.txt | cut -d ' ' -f 2 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ -f "ReachabilityCardinality.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 '' ReachabilityCardinality.xml | cut -d '>' -f 2 | cut -d '<' -f 1 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ "ReachabilityCardinality" = "ReachabilityDeadlock" ] || [ "ReachabilityCardinality" = "QuasiLiveness" ] || [ "ReachabilityCardinality" = "StableMarking" ] || [ "ReachabilityCardinality" = "Liveness" ] || [ "ReachabilityCardinality" = "OneSafe" ] ; then
echo "FORMULA_NAME ReachabilityCardinality"
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 ;