About the Execution of ITS-Tools for Champagne-PT-H10T2O
| Execution Summary | |||||
| Max Memory Used (MB) |
Time wait (ms) | CPU Usage (ms) | I/O Wait (ms) | Computed Result | Execution Status |
| 519.500 | 25039.00 | 41431.00 | 214.80 | 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/mcc2026-input.r050-smll-177946901100165.qcow2', fmt=qcow2 size=4294967296 backing_file=/data/fkordon/mcc2026-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 2-5973
Executing tool itstools
Input is Champagne-PT-H10T2O, examination is UpperBounds
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r050-smll-177946901100165
=====================================================================
--------------------
preparation of the directory to be used:
/home/mcc/execution
total 1.2M
-rw-r--r-- 1 mcc users 8.2K Mar 6 10:49 CTLCardinality.txt
-rw-r--r-- 1 mcc users 90K Mar 6 10:49 CTLCardinality.xml
-rw-r--r-- 1 mcc users 7.6K Mar 6 10:49 CTLFireability.txt
-rw-r--r-- 1 mcc users 77K Mar 6 10:49 CTLFireability.xml
-rw-r--r-- 1 mcc users 3.8K Mar 15 08:03 LTLCardinality.txt
-rw-r--r-- 1 mcc users 28K Mar 15 08:03 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.4K Mar 15 08:03 LTLFireability.txt
-rw-r--r-- 1 mcc users 19K Mar 15 08:03 LTLFireability.xml
-rw-r--r-- 1 mcc users 9.2K Mar 6 10:49 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 90K Mar 6 10:49 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 6.3K Mar 6 10:49 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 47K Mar 6 10:49 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.7K Mar 15 08:03 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.7K Mar 15 08:03 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 Mar 3 18:30 equiv_col
-rw-r--r-- 1 mcc users 7 Mar 3 18:30 instance
-rw-r--r-- 1 mcc users 6 Mar 3 18:30 iscolored
-rw-r--r-- 1 mcc users 791K 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 positive values
NUM_VECTOR
echo here is the order used to build the result vector(from xml file)
FORMULA_NAME Champagne-PT-H10T2O-UpperBounds-00
FORMULA_NAME Champagne-PT-H10T2O-UpperBounds-01
FORMULA_NAME Champagne-PT-H10T2O-UpperBounds-02
FORMULA_NAME Champagne-PT-H10T2O-UpperBounds-03
FORMULA_NAME Champagne-PT-H10T2O-UpperBounds-04
FORMULA_NAME Champagne-PT-H10T2O-UpperBounds-05
FORMULA_NAME Champagne-PT-H10T2O-UpperBounds-06
FORMULA_NAME Champagne-PT-H10T2O-UpperBounds-07
FORMULA_NAME Champagne-PT-H10T2O-UpperBounds-08
FORMULA_NAME Champagne-PT-H10T2O-UpperBounds-09
FORMULA_NAME Champagne-PT-H10T2O-UpperBounds-10
FORMULA_NAME Champagne-PT-H10T2O-UpperBounds-11
FORMULA_NAME Champagne-PT-H10T2O-UpperBounds-12
FORMULA_NAME Champagne-PT-H10T2O-UpperBounds-13
FORMULA_NAME Champagne-PT-H10T2O-UpperBounds-14
FORMULA_NAME Champagne-PT-H10T2O-UpperBounds-15
=== Now, execution of the tool begins
BK_START 1779553015042
Invoking MCC driver with
BK_TOOL=itstools
BK_EXAMINATION=UpperBounds
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=Champagne-PT-H10T2O
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
UpperBounds PT
Running Version 202604301425
[2026-05-23 16:16:57] [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]
[2026-05-23 16:16:57] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-05-23 16:16:58] [INFO ] Load time of PNML (sax parser for PT used): 494 ms
[2026-05-23 16:16:58] [INFO ] Transformed 2393 places.
[2026-05-23 16:16:58] [INFO ] Transformed 3452 transitions.
[2026-05-23 16:16:58] [INFO ] Found NUPN structural information;
[2026-05-23 16:16:58] [INFO ] Parsed PT model containing 2393 places and 3452 transitions and 8894 arcs in 761 ms.
Parsed 16 properties from file /home/mcc/execution/UpperBounds.xml in 26 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]
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-8983371505489453708.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-1273464441771628090.kers'
[2026-05-23 16:16:58] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-8983371505489453708.kers, --Pflows, --basisKERS=/tmp/petrispot-output-1273464441771628090.kers]
Culled 0 columns in 2 ms.
// Phase 1: matrix 3452 rows 2393 cols 8894 entries
Finished phase 1 with 2330 SingleSign rule and 0 generalized
[2026-05-23 16:16:58] [INFO ] Computed 63 invariants in 17 ms
Computed 63 P flows in 19 ms.
Exported basis to /tmp/petrispot-output-1273464441771628090.kers
Total runtime 23 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 (4 resets) in 123 ms. (80 steps per ms)
FORMULA Champagne-PT-H10T2O-UpperBounds-14 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA Champagne-PT-H10T2O-UpperBounds-13 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA Champagne-PT-H10T2O-UpperBounds-12 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA Champagne-PT-H10T2O-UpperBounds-11 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA Champagne-PT-H10T2O-UpperBounds-10 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA Champagne-PT-H10T2O-UpperBounds-09 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA Champagne-PT-H10T2O-UpperBounds-08 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA Champagne-PT-H10T2O-UpperBounds-07 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA Champagne-PT-H10T2O-UpperBounds-06 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA Champagne-PT-H10T2O-UpperBounds-05 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA Champagne-PT-H10T2O-UpperBounds-04 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA Champagne-PT-H10T2O-UpperBounds-03 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA Champagne-PT-H10T2O-UpperBounds-01 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA Champagne-PT-H10T2O-UpperBounds-00 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
BEST_FIRST walk for 20002 steps (4 resets) in 41 ms. (476 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[0, 0] Max Struct:[1, 1]
[2026-05-23 16:16:58] [INFO ] Invariant cache hit.
[2026-05-23 16:17:00] [INFO ] [Real]Absence check using 63 positive place invariants in 151 ms returned sat
[2026-05-23 16:17:02] [INFO ] [Real]Absence check using state equation in 1963 ms returned sat
[2026-05-23 16:17:03] [INFO ] Computed and/alt/rep : 3306/9111/3306 causal constraints (skipped 145 transitions) in 469 ms.
[2026-05-23 16:17:03] [INFO ] Solution in real domain found non-integer solution.
[2026-05-23 16:17:04] [INFO ] [Nat]Absence check using 63 positive place invariants in 149 ms returned sat
[2026-05-23 16:17:07] [INFO ] [Nat]Absence check using state equation in 2182 ms returned sat
[2026-05-23 16:17:07] [INFO ] Computed and/alt/rep : 3306/9111/3306 causal constraints (skipped 145 transitions) in 379 ms.
Maximisation of solution failed !
Minimization took 2 ms.
[2026-05-23 16:17:09] [INFO ] [Real]Absence check using 63 positive place invariants in 89 ms returned sat
[2026-05-23 16:17:11] [INFO ] [Real]Absence check using state equation in 1600 ms returned sat
[2026-05-23 16:17:11] [INFO ] Computed and/alt/rep : 3306/9111/3306 causal constraints (skipped 145 transitions) in 322 ms.
[2026-05-23 16:17:13] [INFO ] Solution in real domain found non-integer solution.
[2026-05-23 16:17:14] [INFO ] [Nat]Absence check using 63 positive place invariants in 109 ms returned sat
[2026-05-23 16:17:16] [INFO ] [Nat]Absence check using state equation in 1984 ms returned sat
[2026-05-23 16:17:17] [INFO ] Computed and/alt/rep : 3306/9111/3306 causal constraints (skipped 145 transitions) in 335 ms.
Maximisation of solution failed !
Minimization took 0 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[0, 0] Max Struct:[1, 1]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[0, 0] Max Struct:[1, 1]
Support contains 2 out of 2393 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 2393/2393 places, 3452/3452 transitions.
Graph (trivial) has 2483 edges and 2393 vertex of which 1197 / 2393 are part of one of the 63 SCC in 21 ms
Free SCC test removed 1134 places
Drop transitions (Empty/Sink Transition effects.) removed 1292 transitions
Reduce isomorphic transitions removed 1292 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 624 transitions
Trivial Post-agglo rules discarded 624 transitions
Performed 624 trivial Post agglomeration. Transition count delta: 624
Iterating post reduction 0 with 624 rules applied. Total rules applied 625 place count 1259 transition count 1536
Reduce places removed 624 places and 0 transitions.
Ensure Unique test removed 61 transitions
Reduce isomorphic transitions removed 61 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 61 transitions
Trivial Post-agglo rules discarded 61 transitions
Performed 61 trivial Post agglomeration. Transition count delta: 61
Iterating post reduction 1 with 746 rules applied. Total rules applied 1371 place count 635 transition count 1414
Reduce places removed 61 places and 0 transitions.
Iterating post reduction 2 with 61 rules applied. Total rules applied 1432 place count 574 transition count 1414
Performed 1 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 1 Pre rules applied. Total rules applied 1432 place count 574 transition count 1413
Deduced a syphon composed of 1 places in 3 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 3 with 2 rules applied. Total rules applied 1434 place count 573 transition count 1413
Discarding 220 places :
Symmetric choice reduction at 3 with 220 rule applications. Total rules 1654 place count 353 transition count 1193
Iterating global reduction 3 with 220 rules applied. Total rules applied 1874 place count 353 transition count 1193
Performed 61 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 61 Pre rules applied. Total rules applied 1874 place count 353 transition count 1132
Deduced a syphon composed of 61 places in 3 ms
Reduce places removed 61 places and 0 transitions.
Iterating global reduction 3 with 122 rules applied. Total rules applied 1996 place count 292 transition count 1132
Discarding 48 places :
Symmetric choice reduction at 3 with 48 rule applications. Total rules 2044 place count 244 transition count 683
Iterating global reduction 3 with 48 rules applied. Total rules applied 2092 place count 244 transition count 683
Ensure Unique test removed 48 transitions
Reduce isomorphic transitions removed 48 transitions.
Iterating post reduction 3 with 48 rules applied. Total rules applied 2140 place count 244 transition count 635
Performed 63 Post agglomeration using F-continuation condition.Transition count delta: 63
Deduced a syphon composed of 63 places in 0 ms
Reduce places removed 63 places and 0 transitions.
Iterating global reduction 4 with 126 rules applied. Total rules applied 2266 place count 181 transition count 572
Performed 2 Post agglomeration using F-continuation condition.Transition count delta: -13
Deduced a syphon composed of 2 places in 0 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 4 with 4 rules applied. Total rules applied 2270 place count 179 transition count 585
Drop transitions (Empty/Sink Transition effects.) removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 4 with 2 rules applied. Total rules applied 2272 place count 179 transition count 583
Drop transitions (Redundant composition of simpler transitions.) removed 8 transitions
Redundant transition composition rules discarded 8 transitions
Iterating global reduction 5 with 8 rules applied. Total rules applied 2280 place count 179 transition count 575
Free-agglomeration rule applied 108 times.
Iterating global reduction 5 with 108 rules applied. Total rules applied 2388 place count 179 transition count 467
Reduce places removed 108 places and 0 transitions.
Drop transitions (Empty/Sink Transition effects.) removed 448 transitions
Reduce isomorphic transitions removed 448 transitions.
Iterating post reduction 5 with 556 rules applied. Total rules applied 2944 place count 71 transition count 19
Ensure Unique test removed 58 places
Iterating post reduction 6 with 58 rules applied. Total rules applied 3002 place count 13 transition count 19
Renaming transitions due to excessive name length > 1024 char.
Drop transitions (Redundant composition of simpler transitions.) removed 1 transitions
Redundant transition composition rules discarded 1 transitions
Iterating global reduction 7 with 1 rules applied. Total rules applied 3003 place count 13 transition count 18
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 7 with 1 rules applied. Total rules applied 3004 place count 12 transition count 17
Reduce places removed 2 places and 0 transitions.
Iterating post reduction 7 with 2 rules applied. Total rules applied 3006 place count 10 transition count 17
Drop transitions (Redundant composition of simpler transitions.) removed 5 transitions
Redundant transition composition rules discarded 5 transitions
Iterating global reduction 8 with 5 rules applied. Total rules applied 3011 place count 10 transition count 12
Free-agglomeration rule applied 1 times.
Iterating global reduction 8 with 1 rules applied. Total rules applied 3012 place count 10 transition count 11
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 8 with 1 rules applied. Total rules applied 3013 place count 9 transition count 11
Drop transitions (Redundant composition of simpler transitions.) removed 1 transitions
Redundant transition composition rules discarded 1 transitions
Iterating global reduction 9 with 1 rules applied. Total rules applied 3014 place count 9 transition count 10
Free-agglomeration rule applied 1 times.
Iterating global reduction 9 with 1 rules applied. Total rules applied 3015 place count 9 transition count 9
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 9 with 1 rules applied. Total rules applied 3016 place count 8 transition count 9
Applied a total of 3016 rules in 369 ms. Remains 8 /2393 variables (removed 2385) and now considering 9/3452 (removed 3443) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 381 ms. Remains : 8/2393 places, 9/3452 transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-15503012755986319823.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-12648636579307408138.kers'
[2026-05-23 16:17:19] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-15503012755986319823.kers, --Pflows, --basisKERS=/tmp/petrispot-output-12648636579307408138.kers]
Normalized transition count is 8 out of 9 initially.
Culling duplicate invariants (modulo rational): removing 1 columns.
Culled 1 columns in 0 ms.
// Phase 1: matrix 8 rows 7 cols 16 entries
Finished phase 1 with 5 SingleSign rule and 0 generalized
[2026-05-23 16:17:19] [INFO ] Computed 3 invariants in 0 ms
Computed 3 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-12648636579307408138.kers
Total runtime 0 ms.
Current structural bounds on expressions (after invariants) : Max Seen:[0, 0] Max Struct:[1, 1]
RANDOM walk for 1000000 steps (2 resets) in 635 ms. (1572 steps per ms)
FORMULA Champagne-PT-H10T2O-UpperBounds-15 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA Champagne-PT-H10T2O-UpperBounds-02 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
BEST_FIRST walk for 1000001 steps (2 resets) in 276 ms. (3610 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[] Max Struct:[]
All properties solved without resorting to model-checking.
Total runtime 22661 ms.
BK_STOP 1779553040081
--------------------
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
++ 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 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="Champagne-PT-H10T2O"
export BK_EXAMINATION="UpperBounds"
export BK_TOOL="itstools"
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 2-5973"
echo " Executing tool itstools"
echo " Input is Champagne-PT-H10T2O, 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 r050-smll-177946901100165"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"
tar xzf /home/mcc/BenchKit/INPUTS/Champagne-PT-H10T2O.tgz
mv Champagne-PT-H10T2O 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 '
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 ;