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.r122-smll-171624282900028.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 greatspnxred
Input is DLCflexbar-PT-4b, examination is StableMarking
Time confinement is 1800 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r122-smll-171624282900028
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 4.6M
-rw-r--r-- 1 mcc users 9.7K May 14 13:22 CTLCardinality.txt
-rw-r--r-- 1 mcc users 115K May 14 13:22 CTLCardinality.xml
-rw-r--r-- 1 mcc users 5.5K May 14 13:22 CTLFireability.txt
-rw-r--r-- 1 mcc users 48K 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 3.4K Apr 22 14:37 LTLCardinality.txt
-rw-r--r-- 1 mcc users 23K Apr 22 14:37 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.2K Apr 22 14:37 LTLFireability.txt
-rw-r--r-- 1 mcc users 18K Apr 22 14:37 LTLFireability.xml
-rw-r--r-- 1 mcc users 8.1K Apr 12 12:57 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 78K Apr 12 12:57 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 10K Apr 12 12:56 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 87K Apr 12 12:56 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.6K Apr 22 14:37 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.7K Apr 22 14:37 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 4.1M 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 1716321229756

Invoking MCC driver with
BK_TOOL=greatspnxred
BK_EXAMINATION=StableMarking
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=1800
BK_INPUT=DLCflexbar-PT-4b
BK_MEMORY_CONFINEMENT=16384
Applying reductions before tool greatspn
Invoking reducer
Running Version 202405141337
[2024-05-21 19:53:52] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, StableMarking, -timeout, 180, -rebuildPNML]
[2024-05-21 19:53:52] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2024-05-21 19:53:53] [INFO ] Load time of PNML (sax parser for PT used): 1314 ms
[2024-05-21 19:53:54] [INFO ] Transformed 11440 places.
[2024-05-21 19:53:54] [INFO ] Transformed 17128 transitions.
[2024-05-21 19:53:54] [INFO ] Found NUPN structural information;
[2024-05-21 19:53:54] [INFO ] Parsed PT model containing 11440 places and 17128 transitions and 46731 arcs in 2052 ms.
Graph (trivial) has 10586 edges and 11440 vertex of which 1040 / 11440 are part of one of the 68 SCC in 47 ms
Free SCC test removed 972 places
Structural test allowed to assert that 5906 places are NOT stable. Took 152 ms.
Ensure Unique test removed 1028 transitions
Reduce redundant transitions removed 1028 transitions.
RANDOM walk for 40000 steps (8 resets) in 17624 ms. (2 steps per ms) remains 2741/5534 properties
BEST_FIRST walk for 121 steps (8 resets) in 43 ms. (2 steps per ms) remains 2741/2741 properties
BEST_FIRST walk for 122 steps (8 resets) in 20 ms. (5 steps per ms) remains 2741/2741 properties
BEST_FIRST walk for 122 steps (8 resets) in 30 ms. (3 steps per ms) remains 2741/2741 properties
BEST_FIRST walk for 120 steps (8 resets) in 88 ms. (1 steps per ms) remains 2741/2741 properties
BEST_FIRST walk for 120 steps (8 resets) in 28 ms. (4 steps per ms) remains 2741/2741 properties
BEST_FIRST walk for 122 steps (8 resets) in 16 ms. (7 steps per ms) remains 2741/2741 properties
BEST_FIRST walk for 120 steps (8 resets) in 23 ms. (5 steps per ms) remains 2741/2741 properties
BEST_FIRST walk for 122 steps (8 resets) in 19 ms. (6 steps per ms) remains 2741/2741 properties
BEST_FIRST walk for 120 steps (8 resets) in 16 ms. (7 steps per ms) remains 2741/2741 properties
BEST_FIRST walk for 122 steps (8 resets) in 26 ms. (4 steps per ms) remains 2741/2741 properties
BEST_FIRST walk for 122 steps (8 resets) in 21 ms. (5 steps per ms) remains 2741/2741 properties
BEST_FIRST walk for 121 steps (8 resets) in 26 ms. (4 steps per ms) remains 2741/2741 properties
BEST_FIRST walk for 121 steps (8 resets) in 28 ms. (4 steps per ms) remains 2741/2741 properties
BEST_FIRST walk for 120 steps (8 resets) in 18 ms. (6 steps per ms) remains 2741/2741 properties
BEST_FIRST walk for 122 steps (8 resets) in 22 ms. (5 steps per ms) remains 2741/2741 properties
BEST_FIRST walk for 121 steps (8 resets) in 23 ms. (5 steps per ms) remains 2741/2741 properties
BEST_FIRST walk for 122 steps (8 resets) in 27 ms. (4 steps per ms) remains 2741/2741 properties
BEST_FIRST walk for 122 steps (8 resets) in 23 ms. (5 steps per ms) remains 2741/2741 properties
BEST_FIRST walk for 123 steps (8 resets) in 19 ms. (6 steps per ms) remains 2741/2741 properties
BEST_FIRST walk for 120 steps (8 resets) in 17 ms. (6 steps per ms) remains 2741/2741 properties
BEST_FIRST walk for 121 steps (8 resets) in 18 ms. (6 steps per ms) remains 2741/2741 properties
BEST_FIRST walk for 122 steps (8 resets) in 19 ms. (6 steps per ms) remains 2741/2741 properties
BEST_FIRST walk for 121 steps (8 resets) in 23 ms. (5 steps per ms) remains 2741/2741 properties
BEST_FIRST walk for 122 steps (8 resets) in 19 ms. (6 steps per ms) remains 2741/2741 properties
BEST_FIRST walk for 122 steps (8 resets) in 18 ms. (6 steps per ms) remains 2741/2741 properties
BEST_FIRST walk for 121 steps (8 resets) in 19 ms. (6 steps per ms) remains 2741/2741 properties
BEST_FIRST walk for 120 steps (8 resets) in 20 ms. (5 steps per ms) remains 2741/2741 properties
BEST_FIRST walk for 121 steps (8 resets) in 25 ms. (4 steps per ms) remains 2741/2741 properties
BEST_FIRST walk for 120 steps (8 resets) in 21 ms. (5 steps per ms) remains 2741/2741 properties
BEST_FIRST walk for 122 steps (8 resets) in 17 ms. (6 steps per ms) remains 2741/2741 properties
BEST_FIRST walk for 121 steps (8 resets) in 18 ms. (6 steps per ms) remains 2741/2741 properties
BEST_FIRST walk for 121 steps (8 resets) in 19 ms. (6 steps per ms) remains 2741/2741 properties
BEST_FIRST walk for 121 steps (8 resets) in 19 ms. (6 steps per ms) remains 2741/2741 properties
BEST_FIRST walk for 121 steps (8 resets) in 19 ms. (6 steps per ms) remains 2741/2741 properties
BEST_FIRST walk for 121 steps (8 resets) in 19 ms. (6 steps per ms) remains 2741/2741 properties
BEST_FIRST walk for 120 steps (8 resets) in 26 ms. (4 steps per ms) remains 2741/2741 properties
BEST_FIRST walk for 123 steps (8 resets) in 19 ms. (6 steps per ms) remains 2741/2741 properties
BEST_FIRST walk for 122 steps (8 resets) in 18 ms. (6 steps per ms) remains 2741/2741 properties
BEST_FIRST walk for 122 steps (8 resets) in 17 ms. (6 steps per ms) remains 2741/2741 properties
BEST_FIRST walk for 122 steps (8 resets) in 18 ms. (6 steps per ms) remains 2741/2741 properties
BEST_FIRST walk for 121 steps (8 resets) in 20 ms. (5 steps per ms) remains 2741/2741 properties
BEST_FIRST walk for 122 steps (8 resets) in 19 ms. (6 steps per ms) remains 2741/2741 properties
BEST_FIRST walk for 123 steps (8 resets) in 24 ms. (4 steps per ms) remains 2741/2741 properties
BEST_FIRST walk for 122 steps (8 resets) in 19 ms. (6 steps per ms) remains 2741/2741 properties
BEST_FIRST walk for 121 steps (8 resets) in 59 ms. (2 steps per ms) remains 2741/2741 properties
BEST_FIRST walk for 120 steps (8 resets) in 21 ms. (5 steps per ms) remains 2741/2741 properties
BEST_FIRST walk for 123 steps (8 resets) in 40 ms. (3 steps per ms) remains 2741/2741 properties
BEST_FIRST walk for 123 steps (8 resets) in 20 ms. (5 steps per ms) remains 2741/2741 properties
BEST_FIRST walk for 121 steps (8 resets) in 28 ms. (4 steps per ms) remains 2741/2741 properties
BEST_FIRST walk for 123 steps (8 resets) in 19 ms. (6 steps per ms) remains 2741/2741 properties
[2024-05-21 19:54:01] [INFO ] Flow matrix only has 16033 transitions (discarded 67 similar events)
// Phase 1: matrix 16033 rows 10468 cols
[2024-05-21 19:54:01] [INFO ] Computed 608 invariants in 227 ms
[2024-05-21 19:54:02] [INFO ] State equation strengthened by 1 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/2741 variables, 2741/2741 constraints. Problems are: Problem set: 0 solved, 2741 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 2741/26501 variables, and 2741 constraints, problems are : Problem set: 0 solved, 2741 unsolved in 5396 ms.
Refiners :[Domain max(s): 2741/10468 constraints, Positive P Invariants (semi-flows): 0/608 constraints, State Equation: 0/10468 constraints, ReadFeed: 0/1 constraints, PredecessorRefiner: 2741/2741 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 2741 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/2741 variables, 2741/2741 constraints. Problems are: Problem set: 0 solved, 2741 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 2741/26501 variables, and 2741 constraints, problems are : Problem set: 0 solved, 2741 unsolved in 5076 ms.
Refiners :[Domain max(s): 2741/10468 constraints, Positive P Invariants (semi-flows): 0/608 constraints, State Equation: 0/10468 constraints, ReadFeed: 0/1 constraints, PredecessorRefiner: 0/2741 constraints, Known Traps: 0/0 constraints]
After SMT, in 15622ms problems are : Problem set: 0 solved, 2741 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 2741 out of 10468 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 10468/10468 places, 16100/16100 transitions.
Drop transitions (Empty/Sink Transition effects.) removed 68 transitions
Reduce isomorphic transitions removed 68 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 3563 transitions
Trivial Post-agglo rules discarded 3563 transitions
Performed 3563 trivial Post agglomeration. Transition count delta: 3563
Iterating post reduction 0 with 3631 rules applied. Total rules applied 3631 place count 10468 transition count 12469
Reduce places removed 3563 places and 0 transitions.
Ensure Unique test removed 25 transitions
Reduce isomorphic transitions removed 25 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 19 transitions
Trivial Post-agglo rules discarded 19 transitions
Performed 19 trivial Post agglomeration. Transition count delta: 19
Iterating post reduction 1 with 3607 rules applied. Total rules applied 7238 place count 6905 transition count 12425
Reduce places removed 19 places and 0 transitions.
Iterating post reduction 2 with 19 rules applied. Total rules applied 7257 place count 6886 transition count 12425
Performed 70 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 70 Pre rules applied. Total rules applied 7257 place count 6886 transition count 12355
Deduced a syphon composed of 70 places in 219 ms
Reduce places removed 70 places and 0 transitions.
Iterating global reduction 3 with 140 rules applied. Total rules applied 7397 place count 6816 transition count 12355
Discarding 518 places :
Symmetric choice reduction at 3 with 518 rule applications. Total rules 7915 place count 6298 transition count 11837
Iterating global reduction 3 with 518 rules applied. Total rules applied 8433 place count 6298 transition count 11837
Performed 135 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 135 Pre rules applied. Total rules applied 8433 place count 6298 transition count 11702
Deduced a syphon composed of 135 places in 197 ms
Reduce places removed 135 places and 0 transitions.
Iterating global reduction 3 with 270 rules applied. Total rules applied 8703 place count 6163 transition count 11702
Discarding 113 places :
Symmetric choice reduction at 3 with 113 rule applications. Total rules 8816 place count 6050 transition count 9347
Iterating global reduction 3 with 113 rules applied. Total rules applied 8929 place count 6050 transition count 9347
Ensure Unique test removed 86 transitions
Reduce isomorphic transitions removed 86 transitions.
Iterating post reduction 3 with 86 rules applied. Total rules applied 9015 place count 6050 transition count 9261
Performed 1153 Post agglomeration using F-continuation condition with reduction of 5 identical transitions.
Deduced a syphon composed of 1153 places in 5 ms
Reduce places removed 1153 places and 0 transitions.
Iterating global reduction 4 with 2306 rules applied. Total rules applied 11321 place count 4897 transition count 8103
Ensure Unique test removed 6 transitions
Reduce isomorphic transitions removed 6 transitions.
Iterating post reduction 4 with 6 rules applied. Total rules applied 11327 place count 4897 transition count 8097
Renaming transitions due to excessive name length > 1024 char.
Performed 70 Post agglomeration using F-continuation condition with reduction of 42 identical transitions.
Deduced a syphon composed of 70 places in 3 ms
Reduce places removed 70 places and 0 transitions.
Iterating global reduction 5 with 140 rules applied. Total rules applied 11467 place count 4827 transition count 8472
Discarding 6 places :
Symmetric choice reduction at 5 with 6 rule applications. Total rules 11473 place count 4821 transition count 8400
Iterating global reduction 5 with 6 rules applied. Total rules applied 11479 place count 4821 transition count 8400
Ensure Unique test removed 36 transitions
Reduce isomorphic transitions removed 36 transitions.
Iterating post reduction 5 with 36 rules applied. Total rules applied 11515 place count 4821 transition count 8364
Drop transitions (Redundant composition of simpler transitions.) removed 97 transitions
Redundant transition composition rules discarded 97 transitions
Iterating global reduction 6 with 97 rules applied. Total rules applied 11612 place count 4821 transition count 8267
Discarding 10 places :
Symmetric choice reduction at 6 with 10 rule applications. Total rules 11622 place count 4811 transition count 8257
Iterating global reduction 6 with 10 rules applied. Total rules applied 11632 place count 4811 transition count 8257
Discarding 10 places :
Symmetric choice reduction at 6 with 10 rule applications. Total rules 11642 place count 4801 transition count 7767
Iterating global reduction 6 with 10 rules applied. Total rules applied 11652 place count 4801 transition count 7767
Ensure Unique test removed 10 transitions
Reduce isomorphic transitions removed 10 transitions.
Iterating post reduction 6 with 10 rules applied. Total rules applied 11662 place count 4801 transition count 7757
Performed 6 Post agglomeration using F-continuation condition.Transition count delta: 6
Deduced a syphon composed of 6 places in 3 ms
Reduce places removed 6 places and 0 transitions.
Iterating global reduction 7 with 12 rules applied. Total rules applied 11674 place count 4795 transition count 7751
Discarding 6 places :
Symmetric choice reduction at 7 with 6 rule applications. Total rules 11680 place count 4789 transition count 7457
Iterating global reduction 7 with 6 rules applied. Total rules applied 11686 place count 4789 transition count 7457
Ensure Unique test removed 6 transitions
Reduce isomorphic transitions removed 6 transitions.
Iterating post reduction 7 with 6 rules applied. Total rules applied 11692 place count 4789 transition count 7451
Free-agglomeration rule applied 1297 times with reduction of 364 identical transitions.
Iterating global reduction 8 with 1297 rules applied. Total rules applied 12989 place count 4789 transition count 5790
Reduce places removed 1297 places and 0 transitions.
Drop transitions (Empty/Sink Transition effects.) removed 310 transitions
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 312 transitions.
Graph (complete) has 7454 edges and 3492 vertex of which 3472 are kept as prefixes of interest. Removing 20 places using SCC suffix rule.4 ms
Discarding 20 places :
Also discarding 0 output transitions
Iterating post reduction 8 with 1610 rules applied. Total rules applied 14599 place count 3472 transition count 5478
Discarding 15 places :
Symmetric choice reduction at 9 with 15 rule applications. Total rules 14614 place count 3457 transition count 5448
Iterating global reduction 9 with 15 rules applied. Total rules applied 14629 place count 3457 transition count 5448
Drop transitions (Redundant composition of simpler transitions.) removed 142 transitions
Redundant transition composition rules discarded 142 transitions
Iterating global reduction 9 with 142 rules applied. Total rules applied 14771 place count 3457 transition count 5306
Partial Free-agglomeration rule applied 3 times.
Drop transitions (Partial Free agglomeration) removed 3 transitions
Iterating global reduction 9 with 3 rules applied. Total rules applied 14774 place count 3457 transition count 5306
Partial Post-agglomeration rule applied 4 times.
Drop transitions (Partial Post agglomeration) removed 4 transitions
Iterating global reduction 9 with 4 rules applied. Total rules applied 14778 place count 3457 transition count 5306
Applied a total of 14778 rules in 8724 ms. Remains 3457 /10468 variables (removed 7011) and now considering 5306/16100 (removed 10794) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 8740 ms. Remains : 3457/10468 places, 5306/16100 transitions.
RANDOM walk for 1163884 steps (2 resets) in 99817 ms. (11 steps per ms) remains 0/2741 properties
Able to resolve query StableMarking after proving 5536 properties.
FORMULA StableMarking FALSE TECHNIQUES RANDOM_WALK MARKED_SUFFIX_TEST TRIVIAL_UNMARKED_SCC_TEST TOPOLOGICAL
Total runtime 63568 ms.
ITS solved all properties within timeout

BK_STOP 1716321295973

--------------------
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="DLCflexbar-PT-4b"
export BK_EXAMINATION="StableMarking"
export BK_TOOL="greatspnxred"
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 greatspnxred"
echo " Input is DLCflexbar-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 r122-smll-171624282900028"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/DLCflexbar-PT-4b.tgz
mv DLCflexbar-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 ;