fond
Model Checking Contest 2024
14th edition, Geneva, Switzerland, June 25, 2024
Execution of r553-tall-171734901100207
Last Updated
July 7, 2024

About the Execution of LTSMin+red for FireWire-PT-05

Execution Summary
Max Memory
Used (MB)
Time wait (ms) CPU Usage (ms) I/O Wait (ms) Computed Result Execution
Status
377.987 7910.00 20955.00 64.70 FFFFFTFTTFTTFFTT 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.r553-tall-171734901100207.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)
...........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................
=====================================================================
Generated by BenchKit 2-5568
Executing tool ltsminxred
Input is FireWire-PT-05, examination is ReachabilityFireability
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r553-tall-171734901100207
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 496K
-rw-r--r-- 1 mcc users 6.1K Jun 2 17:16 CTLCardinality.txt
-rw-r--r-- 1 mcc users 67K Jun 2 17:16 CTLCardinality.xml
-rw-r--r-- 1 mcc users 5.3K Jun 2 17:16 CTLFireability.txt
-rw-r--r-- 1 mcc users 48K Jun 2 17:16 CTLFireability.xml
-rw-r--r-- 1 mcc users 3.3K Jun 2 17:12 LTLCardinality.txt
-rw-r--r-- 1 mcc users 23K Jun 2 17:12 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.1K Jun 2 17:12 LTLFireability.txt
-rw-r--r-- 1 mcc users 17K Jun 2 17:12 LTLFireability.xml
-rw-r--r-- 1 mcc users 1 Jun 2 16:33 NewModel
-rw-r--r-- 1 mcc users 9.7K Jun 2 17:16 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 107K Jun 2 17:16 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 7.9K Jun 2 17:16 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 68K Jun 2 17:16 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.6K Jun 2 17:12 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.6K Jun 2 17:12 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 Jun 2 16:33 equiv_col
-rw-r--r-- 1 mcc users 3 Jun 2 16:33 instance
-rw-r--r-- 1 mcc users 6 Jun 2 16:33 iscolored
-rw-r--r-- 1 mcc users 91K Jun 2 16:33 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 FireWire-PT-05-ReachabilityFireability-2024-00
FORMULA_NAME FireWire-PT-05-ReachabilityFireability-2024-01
FORMULA_NAME FireWire-PT-05-ReachabilityFireability-2024-02
FORMULA_NAME FireWire-PT-05-ReachabilityFireability-2024-03
FORMULA_NAME FireWire-PT-05-ReachabilityFireability-2024-04
FORMULA_NAME FireWire-PT-05-ReachabilityFireability-2024-05
FORMULA_NAME FireWire-PT-05-ReachabilityFireability-2024-06
FORMULA_NAME FireWire-PT-05-ReachabilityFireability-2024-07
FORMULA_NAME FireWire-PT-05-ReachabilityFireability-2024-08
FORMULA_NAME FireWire-PT-05-ReachabilityFireability-2024-09
FORMULA_NAME FireWire-PT-05-ReachabilityFireability-2024-10
FORMULA_NAME FireWire-PT-05-ReachabilityFireability-2024-11
FORMULA_NAME FireWire-PT-05-ReachabilityFireability-2024-12
FORMULA_NAME FireWire-PT-05-ReachabilityFireability-2024-13
FORMULA_NAME FireWire-PT-05-ReachabilityFireability-2024-14
FORMULA_NAME FireWire-PT-05-ReachabilityFireability-2024-15

=== Now, execution of the tool begins

BK_START 1717354123259

Invoking MCC driver with
BK_TOOL=ltsminxred
BK_EXAMINATION=ReachabilityFireability
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=FireWire-PT-05
BK_MEMORY_CONFINEMENT=16384
Applying reductions before tool ltsmin
Invoking reducer
Running Version 202405141337
[2024-06-02 18:48:44] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, ReachabilityFireability, -timeout, 360, -rebuildPNML]
[2024-06-02 18:48:44] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2024-06-02 18:48:44] [INFO ] Load time of PNML (sax parser for PT used): 85 ms
[2024-06-02 18:48:44] [INFO ] Transformed 114 places.
[2024-06-02 18:48:44] [INFO ] Transformed 373 transitions.
[2024-06-02 18:48:44] [INFO ] Found NUPN structural information;
[2024-06-02 18:48:44] [INFO ] Parsed PT model containing 114 places and 373 transitions and 1389 arcs in 268 ms.
Parsed 16 properties from file /home/mcc/execution/ReachabilityFireability.xml in 21 ms.
Working with output stream class java.io.PrintStream
Ensure Unique test removed 57 transitions
Reduce redundant transitions removed 57 transitions.
RANDOM walk for 40000 steps (2116 resets) in 2297 ms. (17 steps per ms) remains 11/16 properties
FORMULA FireWire-PT-05-ReachabilityFireability-2024-11 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA FireWire-PT-05-ReachabilityFireability-2024-10 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA FireWire-PT-05-ReachabilityFireability-2024-04 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA FireWire-PT-05-ReachabilityFireability-2024-01 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA FireWire-PT-05-ReachabilityFireability-2024-00 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
BEST_FIRST walk for 40002 steps (16 resets) in 385 ms. (103 steps per ms) remains 11/11 properties
BEST_FIRST walk for 40004 steps (8 resets) in 278 ms. (143 steps per ms) remains 11/11 properties
BEST_FIRST walk for 40003 steps (8 resets) in 675 ms. (59 steps per ms) remains 11/11 properties
BEST_FIRST walk for 40003 steps (1518 resets) in 684 ms. (58 steps per ms) remains 11/11 properties
BEST_FIRST walk for 40004 steps (302 resets) in 135 ms. (294 steps per ms) remains 11/11 properties
BEST_FIRST walk for 40002 steps (17 resets) in 127 ms. (312 steps per ms) remains 11/11 properties
BEST_FIRST walk for 40004 steps (34 resets) in 165 ms. (240 steps per ms) remains 11/11 properties
BEST_FIRST walk for 40004 steps (8 resets) in 142 ms. (279 steps per ms) remains 11/11 properties
BEST_FIRST walk for 40003 steps (584 resets) in 140 ms. (283 steps per ms) remains 11/11 properties
BEST_FIRST walk for 40003 steps (13 resets) in 56 ms. (701 steps per ms) remains 11/11 properties
BEST_FIRST walk for 40004 steps (571 resets) in 156 ms. (254 steps per ms) remains 10/11 properties
FORMULA FireWire-PT-05-ReachabilityFireability-2024-07 TRUE TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
[2024-06-02 18:48:46] [INFO ] Flow matrix only has 284 transitions (discarded 32 similar events)
// Phase 1: matrix 284 rows 114 cols
[2024-06-02 18:48:46] [INFO ] Computed 8 invariants in 16 ms
[2024-06-02 18:48:46] [INFO ] State equation strengthened by 40 read => feed constraints.
Problem FireWire-PT-05-ReachabilityFireability-2024-12 is UNSAT
FORMULA FireWire-PT-05-ReachabilityFireability-2024-12 FALSE TECHNIQUES SMT_REFINEMENT
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/84 variables, 84/84 constraints. Problems are: Problem set: 1 solved, 9 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/84 variables, 2/86 constraints. Problems are: Problem set: 1 solved, 9 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/84 variables, 0/86 constraints. Problems are: Problem set: 1 solved, 9 unsolved
Problem FireWire-PT-05-ReachabilityFireability-2024-02 is UNSAT
FORMULA FireWire-PT-05-ReachabilityFireability-2024-02 FALSE TECHNIQUES SMT_REFINEMENT
Problem FireWire-PT-05-ReachabilityFireability-2024-03 is UNSAT
FORMULA FireWire-PT-05-ReachabilityFireability-2024-03 FALSE TECHNIQUES SMT_REFINEMENT
Problem FireWire-PT-05-ReachabilityFireability-2024-06 is UNSAT
FORMULA FireWire-PT-05-ReachabilityFireability-2024-06 FALSE TECHNIQUES SMT_REFINEMENT
At refinement iteration 3 (OVERLAPS) 29/113 variables, 6/92 constraints. Problems are: Problem set: 4 solved, 6 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/113 variables, 29/121 constraints. Problems are: Problem set: 4 solved, 6 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/113 variables, 0/121 constraints. Problems are: Problem set: 4 solved, 6 unsolved
At refinement iteration 6 (OVERLAPS) 283/396 variables, 113/234 constraints. Problems are: Problem set: 4 solved, 6 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/396 variables, 39/273 constraints. Problems are: Problem set: 4 solved, 6 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/396 variables, 0/273 constraints. Problems are: Problem set: 4 solved, 6 unsolved
At refinement iteration 9 (OVERLAPS) 1/397 variables, 1/274 constraints. Problems are: Problem set: 4 solved, 6 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/397 variables, 1/275 constraints. Problems are: Problem set: 4 solved, 6 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/397 variables, 0/275 constraints. Problems are: Problem set: 4 solved, 6 unsolved
At refinement iteration 12 (OVERLAPS) 1/398 variables, 1/276 constraints. Problems are: Problem set: 4 solved, 6 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/398 variables, 0/276 constraints. Problems are: Problem set: 4 solved, 6 unsolved
At refinement iteration 14 (OVERLAPS) 0/398 variables, 0/276 constraints. Problems are: Problem set: 4 solved, 6 unsolved
No progress, stopping.
After SMT solving in domain Real declared 398/398 variables, and 276 constraints, problems are : Problem set: 4 solved, 6 unsolved in 1181 ms.
Refiners :[Domain max(s): 114/114 constraints, Positive P Invariants (semi-flows): 8/8 constraints, State Equation: 114/114 constraints, ReadFeed: 40/40 constraints, PredecessorRefiner: 10/10 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 4 solved, 6 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/58 variables, 58/58 constraints. Problems are: Problem set: 4 solved, 6 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/58 variables, 0/58 constraints. Problems are: Problem set: 4 solved, 6 unsolved
Problem FireWire-PT-05-ReachabilityFireability-2024-05 is UNSAT
FORMULA FireWire-PT-05-ReachabilityFireability-2024-05 TRUE TECHNIQUES SMT_REFINEMENT
Problem FireWire-PT-05-ReachabilityFireability-2024-08 is UNSAT
FORMULA FireWire-PT-05-ReachabilityFireability-2024-08 TRUE TECHNIQUES SMT_REFINEMENT
At refinement iteration 2 (OVERLAPS) 55/113 variables, 8/66 constraints. Problems are: Problem set: 6 solved, 4 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/113 variables, 55/121 constraints. Problems are: Problem set: 6 solved, 4 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/113 variables, 0/121 constraints. Problems are: Problem set: 6 solved, 4 unsolved
At refinement iteration 5 (OVERLAPS) 283/396 variables, 113/234 constraints. Problems are: Problem set: 6 solved, 4 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/396 variables, 39/273 constraints. Problems are: Problem set: 6 solved, 4 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/396 variables, 3/276 constraints. Problems are: Problem set: 6 solved, 4 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/396 variables, 0/276 constraints. Problems are: Problem set: 6 solved, 4 unsolved
At refinement iteration 9 (OVERLAPS) 1/397 variables, 1/277 constraints. Problems are: Problem set: 6 solved, 4 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/397 variables, 1/278 constraints. Problems are: Problem set: 6 solved, 4 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/397 variables, 1/279 constraints. Problems are: Problem set: 6 solved, 4 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/397 variables, 0/279 constraints. Problems are: Problem set: 6 solved, 4 unsolved
At refinement iteration 13 (OVERLAPS) 1/398 variables, 1/280 constraints. Problems are: Problem set: 6 solved, 4 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/398 variables, 0/280 constraints. Problems are: Problem set: 6 solved, 4 unsolved
At refinement iteration 15 (OVERLAPS) 0/398 variables, 0/280 constraints. Problems are: Problem set: 6 solved, 4 unsolved
No progress, stopping.
After SMT solving in domain Int declared 398/398 variables, and 280 constraints, problems are : Problem set: 6 solved, 4 unsolved in 944 ms.
Refiners :[Domain max(s): 114/114 constraints, Positive P Invariants (semi-flows): 8/8 constraints, State Equation: 114/114 constraints, ReadFeed: 40/40 constraints, PredecessorRefiner: 4/10 constraints, Known Traps: 0/0 constraints]
After SMT, in 2478ms problems are : Problem set: 6 solved, 4 unsolved
FORMULA FireWire-PT-05-ReachabilityFireability-2024-13 FALSE TECHNIQUES PARIKH_WALK
Parikh walk visited 1 properties in 1157 ms.
Support contains 33 out of 114 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 114/114 places, 316/316 transitions.
Drop transitions (Empty/Sink Transition effects.) removed 3 transitions
Reduce isomorphic transitions removed 3 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 1 transitions
Trivial Post-agglo rules discarded 1 transitions
Performed 1 trivial Post agglomeration. Transition count delta: 1
Iterating post reduction 0 with 4 rules applied. Total rules applied 4 place count 114 transition count 312
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 1 with 1 rules applied. Total rules applied 5 place count 113 transition count 312
Performed 1 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 1 Pre rules applied. Total rules applied 5 place count 113 transition count 311
Deduced a syphon composed of 1 places in 1 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 2 with 2 rules applied. Total rules applied 7 place count 112 transition count 311
Discarding 2 places :
Symmetric choice reduction at 2 with 2 rule applications. Total rules 9 place count 110 transition count 307
Iterating global reduction 2 with 2 rules applied. Total rules applied 11 place count 110 transition count 307
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 2 with 2 rules applied. Total rules applied 13 place count 110 transition count 305
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: -2
Deduced a syphon composed of 1 places in 1 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 3 with 2 rules applied. Total rules applied 15 place count 109 transition count 307
Drop transitions (Empty/Sink Transition effects.) removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 3 with 2 rules applied. Total rules applied 17 place count 109 transition count 305
Drop transitions (Redundant composition of simpler transitions.) removed 7 transitions
Redundant transition composition rules discarded 7 transitions
Iterating global reduction 4 with 7 rules applied. Total rules applied 24 place count 109 transition count 298
Applied a total of 24 rules in 70 ms. Remains 109 /114 variables (removed 5) and now considering 298/316 (removed 18) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 100 ms. Remains : 109/114 places, 298/316 transitions.
RANDOM walk for 40000 steps (2426 resets) in 384 ms. (103 steps per ms) remains 3/3 properties
BEST_FIRST walk for 40003 steps (20 resets) in 103 ms. (384 steps per ms) remains 3/3 properties
BEST_FIRST walk for 40003 steps (21 resets) in 94 ms. (421 steps per ms) remains 3/3 properties
BEST_FIRST walk for 40004 steps (693 resets) in 168 ms. (236 steps per ms) remains 3/3 properties
Finished probabilistic random walk after 1367 steps, run visited all 3 properties in 30 ms. (steps per millisecond=45 )
Probabilistic random walk after 1367 steps, saw 825 distinct states, run finished after 38 ms. (steps per millisecond=35 ) properties seen :3
FORMULA FireWire-PT-05-ReachabilityFireability-2024-15 TRUE TECHNIQUES TOPOLOGICAL PROBABILISTIC_WALK
FORMULA FireWire-PT-05-ReachabilityFireability-2024-14 TRUE TECHNIQUES TOPOLOGICAL PROBABILISTIC_WALK
FORMULA FireWire-PT-05-ReachabilityFireability-2024-09 FALSE TECHNIQUES TOPOLOGICAL PROBABILISTIC_WALK
All properties solved without resorting to model-checking.
Total runtime 6556 ms.
ITS solved all properties within timeout

BK_STOP 1717354131169

--------------------
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 ReachabilityFireability -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="FireWire-PT-05"
export BK_EXAMINATION="ReachabilityFireability"
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 FireWire-PT-05, examination is ReachabilityFireability"
echo " Time confinement is $BK_TIME_CONFINEMENT seconds"
echo " Memory confinement is 16384 MBytes"
echo " Number of cores is 4"
echo " Run identifier is r553-tall-171734901100207"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/FireWire-PT-05.tgz
mv FireWire-PT-05 execution
cd execution
if [ "ReachabilityFireability" = "ReachabilityDeadlock" ] || [ "ReachabilityFireability" = "UpperBounds" ] || [ "ReachabilityFireability" = "QuasiLiveness" ] || [ "ReachabilityFireability" = "StableMarking" ] || [ "ReachabilityFireability" = "Liveness" ] || [ "ReachabilityFireability" = "OneSafe" ] || [ "ReachabilityFireability" = "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 [ "ReachabilityFireability" = "UpperBounds" ] ; then
echo "The expected result is a vector of positive values"
echo NUM_VECTOR
elif [ "ReachabilityFireability" != "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 "ReachabilityFireability.txt" ] ; then
echo "here is the order used to build the result vector(from text file)"
for x in $(grep Property ReachabilityFireability.txt | cut -d ' ' -f 2 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ -f "ReachabilityFireability.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 '' ReachabilityFireability.xml | cut -d '>' -f 2 | cut -d '<' -f 1 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ "ReachabilityFireability" = "ReachabilityDeadlock" ] || [ "ReachabilityFireability" = "QuasiLiveness" ] || [ "ReachabilityFireability" = "StableMarking" ] || [ "ReachabilityFireability" = "Liveness" ] || [ "ReachabilityFireability" = "OneSafe" ] ; then
echo "FORMULA_NAME ReachabilityFireability"
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 ;