Execution Chart

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

Trace from the execution

Formatting '/data/fkordon/mcc2023-input.r261-smll-167863536200310.qcow2', fmt=qcow2 size=4294967296 backing_file=/data/fkordon/mcc2023-input.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 2-5348
Executing tool itstools
Input is NoC3x3-PT-6A, examination is ReachabilityCardinality
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r261-smll-167863536200310
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 736K
-rw-r--r-- 1 mcc users 7.5K Feb 26 10:01 CTLCardinality.txt
-rw-r--r-- 1 mcc users 84K Feb 26 10:01 CTLCardinality.xml
-rw-r--r-- 1 mcc users 5.8K Feb 26 09:59 CTLFireability.txt
-rw-r--r-- 1 mcc users 55K Feb 26 09:59 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K Jan 29 11:40 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 6.1K Jan 29 11:40 GenericPropertiesVerdict.xml
-rw-r--r-- 1 mcc users 3.8K Feb 25 16:29 LTLCardinality.txt
-rw-r--r-- 1 mcc users 27K Feb 25 16:29 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.2K Feb 25 16:29 LTLFireability.txt
-rw-r--r-- 1 mcc users 17K Feb 25 16:29 LTLFireability.xml
-rw-r--r-- 1 mcc users 9.8K Feb 26 10:03 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 104K Feb 26 10:03 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 7.3K Feb 26 10:02 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 61K Feb 26 10:02 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.5K Feb 25 16:29 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.6K Feb 25 16:29 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 Mar 5 18:23 equiv_col
-rw-r--r-- 1 mcc users 3 Mar 5 18:23 instance
-rw-r--r-- 1 mcc users 6 Mar 5 18:23 iscolored
-rw-r--r-- 1 mcc users 297K Mar 5 18:23 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 NoC3x3-PT-6A-ReachabilityCardinality-00
FORMULA_NAME NoC3x3-PT-6A-ReachabilityCardinality-01
FORMULA_NAME NoC3x3-PT-6A-ReachabilityCardinality-02
FORMULA_NAME NoC3x3-PT-6A-ReachabilityCardinality-03
FORMULA_NAME NoC3x3-PT-6A-ReachabilityCardinality-04
FORMULA_NAME NoC3x3-PT-6A-ReachabilityCardinality-05
FORMULA_NAME NoC3x3-PT-6A-ReachabilityCardinality-06
FORMULA_NAME NoC3x3-PT-6A-ReachabilityCardinality-07
FORMULA_NAME NoC3x3-PT-6A-ReachabilityCardinality-08
FORMULA_NAME NoC3x3-PT-6A-ReachabilityCardinality-09
FORMULA_NAME NoC3x3-PT-6A-ReachabilityCardinality-10
FORMULA_NAME NoC3x3-PT-6A-ReachabilityCardinality-11
FORMULA_NAME NoC3x3-PT-6A-ReachabilityCardinality-12
FORMULA_NAME NoC3x3-PT-6A-ReachabilityCardinality-13
FORMULA_NAME NoC3x3-PT-6A-ReachabilityCardinality-14
FORMULA_NAME NoC3x3-PT-6A-ReachabilityCardinality-15

=== Now, execution of the tool begins

BK_START 1678874867182

bash -c /home/mcc/BenchKit/BenchKit_head.sh 2> STDERR ; echo ; echo -n "BK_STOP " ; date -u +%s%3N
Invoking MCC driver with
BK_TOOL=itstools
BK_EXAMINATION=ReachabilityCardinality
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=NoC3x3-PT-6A
Not applying reductions.
Model is PT
ReachabilityCardinality PT
Running Version 202303021504
[2023-03-15 10:07:50] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, ReachabilityCardinality, -its, -ltsmin, -greatspnpath, /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/, -order, META, -manyOrder, -smt, -timeout, 3600]
[2023-03-15 10:07:50] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2023-03-15 10:07:50] [INFO ] Load time of PNML (sax parser for PT used): 270 ms
[2023-03-15 10:07:50] [INFO ] Transformed 512 places.
[2023-03-15 10:07:50] [INFO ] Transformed 1117 transitions.
[2023-03-15 10:07:50] [INFO ] Found NUPN structural information;
[2023-03-15 10:07:50] [INFO ] Parsed PT model containing 512 places and 1117 transitions and 4279 arcs in 454 ms.
Parsed 16 properties from file /home/mcc/execution/ReachabilityCardinality.xml in 36 ms.
Working with output stream class java.io.PrintStream
FORMULA NoC3x3-PT-6A-ReachabilityCardinality-01 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA NoC3x3-PT-6A-ReachabilityCardinality-02 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA NoC3x3-PT-6A-ReachabilityCardinality-06 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA NoC3x3-PT-6A-ReachabilityCardinality-08 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA NoC3x3-PT-6A-ReachabilityCardinality-15 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
[2023-03-15 10:07:51] [INFO ] Flatten gal took : 320 ms
[2023-03-15 10:07:52] [INFO ] Flatten gal took : 163 ms
Incomplete random walk after 10000 steps, including 29 resets, run finished after 990 ms. (steps per millisecond=10 ) properties (out of 11) seen :7
FORMULA NoC3x3-PT-6A-ReachabilityCardinality-14 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA NoC3x3-PT-6A-ReachabilityCardinality-12 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA NoC3x3-PT-6A-ReachabilityCardinality-11 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA NoC3x3-PT-6A-ReachabilityCardinality-10 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA NoC3x3-PT-6A-ReachabilityCardinality-07 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA NoC3x3-PT-6A-ReachabilityCardinality-04 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA NoC3x3-PT-6A-ReachabilityCardinality-03 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
[2023-03-15 10:07:52] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality1321390547510711820.gal : 54 ms
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 81 ms. (steps per millisecond=123 ) properties (out of 4) seen :0
[2023-03-15 10:07:52] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality17056087353414066746.prop : 1 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202303021504/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality1321390547510711820.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality17056087353414066746.prop' '--nowitness' '--gen-order' 'FOLLOW'

its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202303021504/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...329
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 88 ms. (steps per millisecond=113 ) properties (out of 4) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 48 ms. (steps per millisecond=208 ) properties (out of 4) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 58 ms. (steps per millisecond=172 ) properties (out of 4) seen :0
Loading property file /tmp/ReachabilityCardinality17056087353414066746.prop.
Running SMT prover for 4 properties.
[2023-03-15 10:07:52] [INFO ] Flow matrix only has 1075 transitions (discarded 42 similar events)
// Phase 1: matrix 1075 rows 512 cols
[2023-03-15 10:07:52] [INFO ] Computed 66 place invariants in 33 ms
SDD proceeding with computation,11 properties remain. new max is 4
SDD size :1 after 5
SDD proceeding with computation,11 properties remain. new max is 8
SDD size :5 after 20
SDD proceeding with computation,11 properties remain. new max is 16
SDD size :20 after 36
SDD proceeding with computation,11 properties remain. new max is 32
SDD size :36 after 421
SDD proceeding with computation,11 properties remain. new max is 64
SDD size :421 after 878
SDD proceeding with computation,11 properties remain. new max is 128
SDD size :878 after 3510
SDD proceeding with computation,11 properties remain. new max is 256
SDD size :3510 after 20014
SDD proceeding with computation,11 properties remain. new max is 512
SDD size :20014 after 50902
[2023-03-15 10:07:53] [INFO ] After 501ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:4
SDD proceeding with computation,11 properties remain. new max is 1024
SDD size :50902 after 198481
[2023-03-15 10:07:53] [INFO ] [Nat]Absence check using 66 positive place invariants in 26 ms returned sat
SDD proceeding with computation,11 properties remain. new max is 2048
SDD size :198481 after 593353
Reachability property NoC3x3-PT-6A-ReachabilityCardinality-07 is true.
SDD proceeding with computation,10 properties remain. new max is 2048
SDD size :593353 after 3.02954e+06
SDD proceeding with computation,10 properties remain. new max is 4096
SDD size :3.02954e+06 after 1.65441e+07
[2023-03-15 10:07:56] [INFO ] After 3140ms SMT Verify possible using state equation in natural domain returned unsat :1 sat :3
[2023-03-15 10:07:56] [INFO ] State equation strengthened by 41 read => feed constraints.
SDD proceeding with computation,10 properties remain. new max is 8192
SDD size :1.65441e+07 after 9.30829e+08
[2023-03-15 10:07:58] [INFO ] After 2022ms SMT Verify possible using 41 Read/Feed constraints in natural domain returned unsat :1 sat :3
[2023-03-15 10:08:01] [INFO ] Deduced a trap composed of 36 places in 179 ms of which 17 ms to minimize.
[2023-03-15 10:08:02] [INFO ] Deduced a trap composed of 17 places in 128 ms of which 2 ms to minimize.
[2023-03-15 10:08:03] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 2381 ms
[2023-03-15 10:08:04] [INFO ] Deduced a trap composed of 18 places in 185 ms of which 1 ms to minimize.
[2023-03-15 10:08:05] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 885 ms
[2023-03-15 10:08:05] [INFO ] After 8766ms SMT Verify possible using trap constraints in natural domain returned unsat :1 sat :3
Attempting to minimize the solution found.
SDD proceeding with computation,10 properties remain. new max is 16384
SDD size :9.30829e+08 after 6.52375e+09
Minimization took 4305 ms.
[2023-03-15 10:08:09] [INFO ] After 16655ms SMT Verify possible using all constraints in natural domain returned unsat :1 sat :3
FORMULA NoC3x3-PT-6A-ReachabilityCardinality-05 TRUE TECHNIQUES STRUCTURAL_REDUCTION TOPOLOGICAL SAT_SMT
Fused 4 Parikh solutions to 3 different solutions.
Parikh walk visited 0 properties in 101 ms.
Support contains 38 out of 512 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 512/512 places, 1117/1117 transitions.
Discarding 73 places :
Symmetric choice reduction at 0 with 73 rule applications. Total rules 73 place count 439 transition count 827
Iterating global reduction 0 with 73 rules applied. Total rules applied 146 place count 439 transition count 827
Performed 3 Post agglomeration using F-continuation condition.Transition count delta: -25
Deduced a syphon composed of 3 places in 2 ms
Reduce places removed 3 places and 0 transitions.
Iterating global reduction 0 with 6 rules applied. Total rules applied 152 place count 436 transition count 852
Free-agglomeration rule applied 22 times.
Iterating global reduction 0 with 22 rules applied. Total rules applied 174 place count 436 transition count 830
Reduce places removed 22 places and 0 transitions.
Iterating post reduction 0 with 22 rules applied. Total rules applied 196 place count 414 transition count 830
Applied a total of 196 rules in 194 ms. Remains 414 /512 variables (removed 98) and now considering 830/1117 (removed 287) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 196 ms. Remains : 414/512 places, 830/1117 transitions.
Incomplete random walk after 10000 steps, including 3 resets, run finished after 229 ms. (steps per millisecond=43 ) properties (out of 3) seen :1
FORMULA NoC3x3-PT-6A-ReachabilityCardinality-09 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 49 ms. (steps per millisecond=204 ) properties (out of 2) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 26 ms. (steps per millisecond=384 ) properties (out of 2) seen :1
FORMULA NoC3x3-PT-6A-ReachabilityCardinality-13 TRUE TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
Running SMT prover for 1 properties.
[2023-03-15 10:08:10] [INFO ] Flow matrix only has 825 transitions (discarded 5 similar events)
// Phase 1: matrix 825 rows 414 cols
[2023-03-15 10:08:10] [INFO ] Computed 66 place invariants in 6 ms
[2023-03-15 10:08:10] [INFO ] After 139ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
[2023-03-15 10:08:10] [INFO ] [Nat]Absence check using 66 positive place invariants in 15 ms returned sat
[2023-03-15 10:08:11] [INFO ] After 534ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
[2023-03-15 10:08:11] [INFO ] State equation strengthened by 41 read => feed constraints.
[2023-03-15 10:08:11] [INFO ] After 112ms SMT Verify possible using 41 Read/Feed constraints in natural domain returned unsat :0 sat :1
[2023-03-15 10:08:11] [INFO ] After 274ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
Attempting to minimize the solution found.
Minimization took 160 ms.
[2023-03-15 10:08:11] [INFO ] After 1171ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
Parikh walk visited 0 properties in 4 ms.
Support contains 20 out of 414 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 414/414 places, 830/830 transitions.
Discarding 3 places :
Symmetric choice reduction at 0 with 3 rule applications. Total rules 3 place count 411 transition count 814
Iterating global reduction 0 with 3 rules applied. Total rules applied 6 place count 411 transition count 814
Free-agglomeration rule applied 3 times.
Iterating global reduction 0 with 3 rules applied. Total rules applied 9 place count 411 transition count 811
Reduce places removed 3 places and 0 transitions.
Iterating post reduction 0 with 3 rules applied. Total rules applied 12 place count 408 transition count 811
Applied a total of 12 rules in 131 ms. Remains 408 /414 variables (removed 6) and now considering 811/830 (removed 19) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 132 ms. Remains : 408/414 places, 811/830 transitions.
Incomplete random walk after 10000 steps, including 2 resets, run finished after 61 ms. (steps per millisecond=163 ) properties (out of 1) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 44 ms. (steps per millisecond=227 ) properties (out of 1) seen :0
Finished probabilistic random walk after 422248 steps, run visited all 1 properties in 2466 ms. (steps per millisecond=171 )
Probabilistic random walk after 422248 steps, saw 365573 distinct states, run finished after 2468 ms. (steps per millisecond=171 ) properties seen :1
FORMULA NoC3x3-PT-6A-ReachabilityCardinality-00 FALSE TECHNIQUES TOPOLOGICAL PROBABILISTIC_WALK
ITS runner failed with exception null
java.lang.InterruptedException
at java.base/java.lang.Object.wait(Native Method)
at java.base/java.lang.Thread.join(Thread.java:1304)
at java.base/java.lang.Thread.join(Thread.java:1372)
at fr.lip6.move.gal.application.runner.AbstractRunner.join(AbstractRunner.java:27)
at fr.lip6.move.gal.application.runner.its.ITSRunner.join(ITSRunner.java:177)
at fr.lip6.move.gal.application.solver.global.GlobalPropertySolver.verifyWithSDD(GlobalPropertySolver.java:675)
at fr.lip6.move.gal.application.solver.ReachabilitySolver.lambda$2(ReachabilitySolver.java:63)
at java.base/java.lang.Thread.run(Thread.java:833)
All properties solved without resorting to model-checking.
Total runtime 23907 ms.
SDD proceeding with computation,10 properties remain. new max is 32768
SDD size :6.52375e+09 after 2.9616e+10

BK_STOP 1678874896511

--------------------
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
+ [[ ReachabilityCardinality = StateSpace ]]
+ /home/mcc/BenchKit/bin//../itstools/bin//..//runeclipse.sh /home/mcc/execution ReachabilityCardinality -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
+ 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//../itstools/bin//..//itstools/plugins/fr.lip6.move.gal.application.pnmcc_1.0.0.202303021504.jar
+ VERSION=202303021504
+ echo 'Running Version 202303021504'
+ /home/mcc/BenchKit/bin//../itstools/bin//..//itstools/its-tools -pnfolder /home/mcc/execution -examination ReachabilityCardinality -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="NoC3x3-PT-6A"
export BK_EXAMINATION="ReachabilityCardinality"
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 2-5348"
echo " Executing tool itstools"
echo " Input is NoC3x3-PT-6A, 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 r261-smll-167863536200310"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/NoC3x3-PT-6A.tgz
mv NoC3x3-PT-6A 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 ;