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.r486-smll-171624284000208.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 DLCshifumi-PT-4b, examination is StableMarking
Time confinement is 1800 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r486-smll-171624284000208
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 5.6M
-rw-r--r-- 1 mcc users 7.2K May 14 13:22 CTLCardinality.txt
-rw-r--r-- 1 mcc users 77K May 14 13:22 CTLCardinality.xml
-rw-r--r-- 1 mcc users 5.1K May 14 13:22 CTLFireability.txt
-rw-r--r-- 1 mcc users 44K May 14 13:22 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K May 18 16:42 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 3.7K Apr 22 14:38 LTLCardinality.txt
-rw-r--r-- 1 mcc users 26K Apr 22 14:38 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.4K Apr 22 14:38 LTLFireability.txt
-rw-r--r-- 1 mcc users 18K Apr 22 14:38 LTLFireability.xml
-rw-r--r-- 1 mcc users 14K Apr 13 05:59 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 148K Apr 13 05:59 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 11K Apr 13 05:59 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 95K Apr 13 05:59 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.6K Apr 22 14:38 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.7K Apr 22 14:38 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 May 18 16:42 equiv_col
-rw-r--r-- 1 mcc users 3 May 18 16:42 instance
-rw-r--r-- 1 mcc users 6 May 18 16:42 iscolored
-rw-r--r-- 1 mcc users 5.1M May 18 16:42 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 StableMarking

=== Now, execution of the tool begins

BK_START 1717223613678

Invoking MCC driver with
BK_TOOL=ltsminxred
BK_EXAMINATION=StableMarking
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=1800
BK_INPUT=DLCshifumi-PT-4b
BK_MEMORY_CONFINEMENT=16384
Applying reductions before tool ltsmin
Invoking reducer
Running Version 202405141337
[2024-06-01 06:33:35] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, StableMarking, -timeout, 180, -rebuildPNML]
[2024-06-01 06:33:35] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2024-06-01 06:33:37] [INFO ] Load time of PNML (sax parser for PT used): 1336 ms
[2024-06-01 06:33:37] [INFO ] Transformed 15015 places.
[2024-06-01 06:33:37] [INFO ] Transformed 21341 transitions.
[2024-06-01 06:33:37] [INFO ] Found NUPN structural information;
[2024-06-01 06:33:37] [INFO ] Parsed PT model containing 15015 places and 21341 transitions and 56284 arcs in 2164 ms.
Graph (trivial) has 14195 edges and 15015 vertex of which 1424 / 15015 are part of one of the 91 SCC in 102 ms
Free SCC test removed 1333 places
Structural test allowed to assert that 7169 places are NOT stable. Took 285 ms.
Ensure Unique test removed 1416 transitions
Reduce redundant transitions removed 1416 transitions.
RANDOM walk for 40000 steps (8 resets) in 23619 ms. (1 steps per ms) remains 4119/7846 properties
BEST_FIRST walk for 123 steps (8 resets) in 21 ms. (5 steps per ms) remains 4119/4119 properties
BEST_FIRST walk for 122 steps (8 resets) in 33 ms. (3 steps per ms) remains 4119/4119 properties
BEST_FIRST walk for 121 steps (8 resets) in 19 ms. (6 steps per ms) remains 4119/4119 properties
BEST_FIRST walk for 123 steps (8 resets) in 28 ms. (4 steps per ms) remains 4119/4119 properties
BEST_FIRST walk for 123 steps (8 resets) in 20 ms. (5 steps per ms) remains 4119/4119 properties
BEST_FIRST walk for 123 steps (8 resets) in 26 ms. (4 steps per ms) remains 4119/4119 properties
BEST_FIRST walk for 123 steps (8 resets) in 22 ms. (5 steps per ms) remains 4119/4119 properties
BEST_FIRST walk for 123 steps (8 resets) in 40 ms. (3 steps per ms) remains 4119/4119 properties
BEST_FIRST walk for 123 steps (8 resets) in 28 ms. (4 steps per ms) remains 4119/4119 properties
BEST_FIRST walk for 124 steps (8 resets) in 32 ms. (3 steps per ms) remains 4119/4119 properties
BEST_FIRST walk for 124 steps (8 resets) in 26 ms. (4 steps per ms) remains 4119/4119 properties
BEST_FIRST walk for 122 steps (8 resets) in 32 ms. (3 steps per ms) remains 4119/4119 properties
BEST_FIRST walk for 124 steps (8 resets) in 43 ms. (2 steps per ms) remains 4119/4119 properties
BEST_FIRST walk for 124 steps (8 resets) in 37 ms. (3 steps per ms) remains 4119/4119 properties
BEST_FIRST walk for 122 steps (8 resets) in 31 ms. (3 steps per ms) remains 4119/4119 properties
BEST_FIRST walk for 121 steps (8 resets) in 28 ms. (4 steps per ms) remains 4119/4119 properties
BEST_FIRST walk for 124 steps (8 resets) in 63 ms. (1 steps per ms) remains 4119/4119 properties
BEST_FIRST walk for 124 steps (8 resets) in 48 ms. (2 steps per ms) remains 4119/4119 properties
BEST_FIRST walk for 123 steps (8 resets) in 39 ms. (3 steps per ms) remains 4119/4119 properties
BEST_FIRST walk for 122 steps (8 resets) in 42 ms. (2 steps per ms) remains 4119/4119 properties
BEST_FIRST walk for 123 steps (8 resets) in 37 ms. (3 steps per ms) remains 4119/4119 properties
BEST_FIRST walk for 123 steps (8 resets) in 37 ms. (3 steps per ms) remains 4119/4119 properties
BEST_FIRST walk for 122 steps (8 resets) in 37 ms. (3 steps per ms) remains 4119/4119 properties
BEST_FIRST walk for 123 steps (8 resets) in 42 ms. (2 steps per ms) remains 4119/4119 properties
BEST_FIRST walk for 122 steps (8 resets) in 38 ms. (3 steps per ms) remains 4119/4119 properties
BEST_FIRST walk for 123 steps (8 resets) in 39 ms. (3 steps per ms) remains 4119/4119 properties
BEST_FIRST walk for 123 steps (8 resets) in 37 ms. (3 steps per ms) remains 4119/4119 properties
BEST_FIRST walk for 124 steps (8 resets) in 36 ms. (3 steps per ms) remains 4119/4119 properties
BEST_FIRST walk for 122 steps (8 resets) in 46 ms. (2 steps per ms) remains 4119/4119 properties
BEST_FIRST walk for 124 steps (8 resets) in 36 ms. (3 steps per ms) remains 4119/4119 properties
BEST_FIRST walk for 123 steps (8 resets) in 35 ms. (3 steps per ms) remains 4119/4119 properties
BEST_FIRST walk for 123 steps (8 resets) in 37 ms. (3 steps per ms) remains 4119/4119 properties
BEST_FIRST walk for 122 steps (8 resets) in 41 ms. (2 steps per ms) remains 4119/4119 properties
BEST_FIRST walk for 123 steps (8 resets) in 38 ms. (3 steps per ms) remains 4119/4119 properties
BEST_FIRST walk for 122 steps (8 resets) in 38 ms. (3 steps per ms) remains 4119/4119 properties
BEST_FIRST walk for 122 steps (8 resets) in 42 ms. (2 steps per ms) remains 4119/4119 properties
BEST_FIRST walk for 122 steps (8 resets) in 49 ms. (2 steps per ms) remains 4119/4119 properties
BEST_FIRST walk for 122 steps (8 resets) in 38 ms. (3 steps per ms) remains 4119/4119 properties
BEST_FIRST walk for 122 steps (8 resets) in 37 ms. (3 steps per ms) remains 4119/4119 properties
BEST_FIRST walk for 122 steps (8 resets) in 38 ms. (3 steps per ms) remains 4119/4119 properties
BEST_FIRST walk for 122 steps (8 resets) in 36 ms. (3 steps per ms) remains 4119/4119 properties
BEST_FIRST walk for 124 steps (8 resets) in 37 ms. (3 steps per ms) remains 4119/4119 properties
BEST_FIRST walk for 124 steps (8 resets) in 37 ms. (3 steps per ms) remains 4119/4119 properties
BEST_FIRST walk for 124 steps (8 resets) in 36 ms. (3 steps per ms) remains 4119/4119 properties
BEST_FIRST walk for 123 steps (8 resets) in 37 ms. (3 steps per ms) remains 4119/4119 properties
BEST_FIRST walk for 123 steps (8 resets) in 36 ms. (3 steps per ms) remains 4119/4119 properties
BEST_FIRST walk for 124 steps (8 resets) in 39 ms. (3 steps per ms) remains 4119/4119 properties
BEST_FIRST walk for 123 steps (8 resets) in 37 ms. (3 steps per ms) remains 4119/4119 properties
BEST_FIRST walk for 124 steps (8 resets) in 41 ms. (2 steps per ms) remains 4119/4119 properties
BEST_FIRST walk for 121 steps (8 resets) in 38 ms. (3 steps per ms) remains 4119/4119 properties
[2024-06-01 06:33:47] [INFO ] Flow matrix only has 19835 transitions (discarded 90 similar events)
// Phase 1: matrix 19835 rows 13682 cols
[2024-06-01 06:33:47] [INFO ] Computed 691 invariants in 343 ms
[2024-06-01 06:33:47] [INFO ] State equation strengthened by 1 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/4119 variables, 4119/4119 constraints. Problems are: Problem set: 0 solved, 4119 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 4119/33517 variables, and 4119 constraints, problems are : Problem set: 0 solved, 4119 unsolved in 5492 ms.
Refiners :[Domain max(s): 4119/13682 constraints, Positive P Invariants (semi-flows): 0/691 constraints, State Equation: 0/13682 constraints, ReadFeed: 0/1 constraints, PredecessorRefiner: 4119/4119 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 4119 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/4119 variables, 4119/4119 constraints. Problems are: Problem set: 0 solved, 4119 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 4119/33517 variables, and 4119 constraints, problems are : Problem set: 0 solved, 4119 unsolved in 5112 ms.
Refiners :[Domain max(s): 4119/13682 constraints, Positive P Invariants (semi-flows): 0/691 constraints, State Equation: 0/13682 constraints, ReadFeed: 0/1 constraints, PredecessorRefiner: 0/4119 constraints, Known Traps: 0/0 constraints]
After SMT, in 18744ms problems are : Problem set: 0 solved, 4119 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 4119 out of 13682 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 13682/13682 places, 19925/19925 transitions.
Drop transitions (Empty/Sink Transition effects.) removed 91 transitions
Reduce isomorphic transitions removed 91 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 4668 transitions
Trivial Post-agglo rules discarded 4668 transitions
Performed 4668 trivial Post agglomeration. Transition count delta: 4668
Iterating post reduction 0 with 4759 rules applied. Total rules applied 4759 place count 13682 transition count 15166
Reduce places removed 4668 places and 0 transitions.
Ensure Unique test removed 28 transitions
Reduce isomorphic transitions removed 28 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 24 transitions
Trivial Post-agglo rules discarded 24 transitions
Performed 24 trivial Post agglomeration. Transition count delta: 24
Iterating post reduction 1 with 4720 rules applied. Total rules applied 9479 place count 9014 transition count 15114
Reduce places removed 24 places and 0 transitions.
Iterating post reduction 2 with 24 rules applied. Total rules applied 9503 place count 8990 transition count 15114
Performed 116 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 116 Pre rules applied. Total rules applied 9503 place count 8990 transition count 14998
Deduced a syphon composed of 116 places in 340 ms
Reduce places removed 116 places and 0 transitions.
Iterating global reduction 3 with 232 rules applied. Total rules applied 9735 place count 8874 transition count 14998
Discarding 595 places :
Symmetric choice reduction at 3 with 595 rule applications. Total rules 10330 place count 8279 transition count 14403
Iterating global reduction 3 with 595 rules applied. Total rules applied 10925 place count 8279 transition count 14403
Performed 112 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 112 Pre rules applied. Total rules applied 10925 place count 8279 transition count 14291
Deduced a syphon composed of 112 places in 478 ms
Reduce places removed 112 places and 0 transitions.
Iterating global reduction 3 with 224 rules applied. Total rules applied 11149 place count 8167 transition count 14291
Discarding 132 places :
Symmetric choice reduction at 3 with 132 rule applications. Total rules 11281 place count 8035 transition count 11765
Iterating global reduction 3 with 132 rules applied. Total rules applied 11413 place count 8035 transition count 11765
Ensure Unique test removed 113 transitions
Reduce isomorphic transitions removed 113 transitions.
Iterating post reduction 3 with 113 rules applied. Total rules applied 11526 place count 8035 transition count 11652
Performed 1340 Post agglomeration using F-continuation condition with reduction of 4 identical transitions.
Deduced a syphon composed of 1340 places in 9 ms
Reduce places removed 1340 places and 0 transitions.
Iterating global reduction 4 with 2680 rules applied. Total rules applied 14206 place count 6695 transition count 10308
Ensure Unique test removed 4 transitions
Reduce isomorphic transitions removed 4 transitions.
Iterating post reduction 4 with 4 rules applied. Total rules applied 14210 place count 6695 transition count 10304
Renaming transitions due to excessive name length > 1024 char.
Performed 93 Post agglomeration using F-continuation condition with reduction of 36 identical transitions.
Deduced a syphon composed of 93 places in 10 ms
Reduce places removed 93 places and 0 transitions.
Iterating global reduction 5 with 186 rules applied. Total rules applied 14396 place count 6602 transition count 10592
Discarding 8 places :
Symmetric choice reduction at 5 with 8 rule applications. Total rules 14404 place count 6594 transition count 10528
Iterating global reduction 5 with 8 rules applied. Total rules applied 14412 place count 6594 transition count 10528
Ensure Unique test removed 32 transitions
Reduce isomorphic transitions removed 32 transitions.
Iterating post reduction 5 with 32 rules applied. Total rules applied 14444 place count 6594 transition count 10496
Drop transitions (Redundant composition of simpler transitions.) removed 96 transitions
Redundant transition composition rules discarded 96 transitions
Iterating global reduction 6 with 96 rules applied. Total rules applied 14540 place count 6594 transition count 10400
Discarding 7 places :
Symmetric choice reduction at 6 with 7 rule applications. Total rules 14547 place count 6587 transition count 10393
Iterating global reduction 6 with 7 rules applied. Total rules applied 14554 place count 6587 transition count 10393
Discarding 7 places :
Symmetric choice reduction at 6 with 7 rule applications. Total rules 14561 place count 6580 transition count 9847
Iterating global reduction 6 with 7 rules applied. Total rules applied 14568 place count 6580 transition count 9847
Ensure Unique test removed 7 transitions
Reduce isomorphic transitions removed 7 transitions.
Iterating post reduction 6 with 7 rules applied. Total rules applied 14575 place count 6580 transition count 9840
Performed 4 Post agglomeration using F-continuation condition.Transition count delta: 4
Deduced a syphon composed of 4 places in 4 ms
Reduce places removed 4 places and 0 transitions.
Iterating global reduction 7 with 8 rules applied. Total rules applied 14583 place count 6576 transition count 9836
Discarding 4 places :
Symmetric choice reduction at 7 with 4 rule applications. Total rules 14587 place count 6572 transition count 9524
Iterating global reduction 7 with 4 rules applied. Total rules applied 14591 place count 6572 transition count 9524
Ensure Unique test removed 4 transitions
Reduce isomorphic transitions removed 4 transitions.
Iterating post reduction 7 with 4 rules applied. Total rules applied 14595 place count 6572 transition count 9520
Free-agglomeration rule applied 1543 times with reduction of 366 identical transitions.
Iterating global reduction 8 with 1543 rules applied. Total rules applied 16138 place count 6572 transition count 7611
Reduce places removed 1543 places and 0 transitions.
Drop transitions (Empty/Sink Transition effects.) removed 294 transitions
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 296 transitions.
Graph (complete) has 9712 edges and 5029 vertex of which 5019 are kept as prefixes of interest. Removing 10 places using SCC suffix rule.11 ms
Discarding 10 places :
Also discarding 0 output transitions
Iterating post reduction 8 with 1840 rules applied. Total rules applied 17978 place count 5019 transition count 7315
Discarding 2 places :
Symmetric choice reduction at 9 with 2 rule applications. Total rules 17980 place count 5017 transition count 7311
Iterating global reduction 9 with 2 rules applied. Total rules applied 17982 place count 5017 transition count 7311
Drop transitions (Redundant composition of simpler transitions.) removed 132 transitions
Redundant transition composition rules discarded 132 transitions
Iterating global reduction 9 with 132 rules applied. Total rules applied 18114 place count 5017 transition count 7179
Partial Free-agglomeration rule applied 2 times.
Drop transitions (Partial Free agglomeration) removed 2 transitions
Iterating global reduction 9 with 2 rules applied. Total rules applied 18116 place count 5017 transition count 7179
Partial Post-agglomeration rule applied 13 times.
Drop transitions (Partial Post agglomeration) removed 13 transitions
Iterating global reduction 9 with 13 rules applied. Total rules applied 18129 place count 5017 transition count 7179
Applied a total of 18129 rules in 12618 ms. Remains 5017 /13682 variables (removed 8665) and now considering 7179/19925 (removed 12746) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 12650 ms. Remains : 5017/13682 places, 7179/19925 transitions.
RANDOM walk for 559285 steps (0 resets) in 120004 ms. (4 steps per ms) remains 0/4119 properties
Able to resolve query StableMarking after proving 7848 properties.
FORMULA StableMarking FALSE TECHNIQUES RANDOM_WALK MARKED_SUFFIX_TEST TRIVIAL_UNMARKED_SCC_TEST TOPOLOGICAL
Total runtime 72901 ms.
ITS solved all properties within timeout

BK_STOP 1717223688595

--------------------
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 StableMarking -timeout 180 -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="DLCshifumi-PT-4b"
export BK_EXAMINATION="StableMarking"
export BK_TOOL="ltsminxred"
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 2-5568"
echo " Executing tool ltsminxred"
echo " Input is DLCshifumi-PT-4b, examination is StableMarking"
echo " Time confinement is $BK_TIME_CONFINEMENT seconds"
echo " Memory confinement is 16384 MBytes"
echo " Number of cores is 4"
echo " Run identifier is r486-smll-171624284000208"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/DLCshifumi-PT-4b.tgz
mv DLCshifumi-PT-4b execution
cd execution
if [ "StableMarking" = "ReachabilityDeadlock" ] || [ "StableMarking" = "UpperBounds" ] || [ "StableMarking" = "QuasiLiveness" ] || [ "StableMarking" = "StableMarking" ] || [ "StableMarking" = "Liveness" ] || [ "StableMarking" = "OneSafe" ] || [ "StableMarking" = "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 [ "StableMarking" = "UpperBounds" ] ; then
echo "The expected result is a vector of positive values"
echo NUM_VECTOR
elif [ "StableMarking" != "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 "StableMarking.txt" ] ; then
echo "here is the order used to build the result vector(from text file)"
for x in $(grep Property StableMarking.txt | cut -d ' ' -f 2 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ -f "StableMarking.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 '' StableMarking.xml | cut -d '>' -f 2 | cut -d '<' -f 1 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ "StableMarking" = "ReachabilityDeadlock" ] || [ "StableMarking" = "QuasiLiveness" ] || [ "StableMarking" = "StableMarking" ] || [ "StableMarking" = "Liveness" ] || [ "StableMarking" = "OneSafe" ] ; then
echo "FORMULA_NAME StableMarking"
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 ;