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.r133-smll-167819410700318.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 DiscoveryGPU-PT-08a, examination is ReachabilityCardinality
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r133-smll-167819410700318
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 500K
-rw-r--r-- 1 mcc users 5.5K Feb 25 13:42 CTLCardinality.txt
-rw-r--r-- 1 mcc users 56K Feb 25 13:42 CTLCardinality.xml
-rw-r--r-- 1 mcc users 5.5K Feb 25 13:39 CTLFireability.txt
-rw-r--r-- 1 mcc users 52K Feb 25 13:39 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K Jan 29 11:40 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 6.6K Jan 29 11:40 GenericPropertiesVerdict.xml
-rw-r--r-- 1 mcc users 3.8K Feb 25 15:59 LTLCardinality.txt
-rw-r--r-- 1 mcc users 26K Feb 25 15:59 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.2K Feb 25 15:59 LTLFireability.txt
-rw-r--r-- 1 mcc users 18K Feb 25 15:59 LTLFireability.xml
-rw-r--r-- 1 mcc users 15K Feb 25 13:43 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 173K Feb 25 13:43 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 6.6K Feb 25 13:42 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 53K Feb 25 13:42 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.6K Feb 25 15:59 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.7K Feb 25 15:59 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 Mar 5 18:22 equiv_col
-rw-r--r-- 1 mcc users 4 Mar 5 18:22 instance
-rw-r--r-- 1 mcc users 6 Mar 5 18:22 iscolored
-rw-r--r-- 1 mcc users 28K Mar 5 18:22 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 DiscoveryGPU-PT-08a-ReachabilityCardinality-00
FORMULA_NAME DiscoveryGPU-PT-08a-ReachabilityCardinality-01
FORMULA_NAME DiscoveryGPU-PT-08a-ReachabilityCardinality-02
FORMULA_NAME DiscoveryGPU-PT-08a-ReachabilityCardinality-03
FORMULA_NAME DiscoveryGPU-PT-08a-ReachabilityCardinality-04
FORMULA_NAME DiscoveryGPU-PT-08a-ReachabilityCardinality-05
FORMULA_NAME DiscoveryGPU-PT-08a-ReachabilityCardinality-06
FORMULA_NAME DiscoveryGPU-PT-08a-ReachabilityCardinality-07
FORMULA_NAME DiscoveryGPU-PT-08a-ReachabilityCardinality-08
FORMULA_NAME DiscoveryGPU-PT-08a-ReachabilityCardinality-09
FORMULA_NAME DiscoveryGPU-PT-08a-ReachabilityCardinality-10
FORMULA_NAME DiscoveryGPU-PT-08a-ReachabilityCardinality-11
FORMULA_NAME DiscoveryGPU-PT-08a-ReachabilityCardinality-12
FORMULA_NAME DiscoveryGPU-PT-08a-ReachabilityCardinality-13
FORMULA_NAME DiscoveryGPU-PT-08a-ReachabilityCardinality-14
FORMULA_NAME DiscoveryGPU-PT-08a-ReachabilityCardinality-15

=== Now, execution of the tool begins

BK_START 1678419052773

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=DiscoveryGPU-PT-08a
Not applying reductions.
Model is PT
ReachabilityCardinality PT
Running Version 202303021504
[2023-03-10 03:30:55] [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]
[2023-03-10 03:30:55] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2023-03-10 03:30:55] [INFO ] Load time of PNML (sax parser for PT used): 61 ms
[2023-03-10 03:30:55] [INFO ] Transformed 83 places.
[2023-03-10 03:30:55] [INFO ] Transformed 113 transitions.
[2023-03-10 03:30:55] [INFO ] Found NUPN structural information;
[2023-03-10 03:30:55] [INFO ] Parsed PT model containing 83 places and 113 transitions and 363 arcs in 212 ms.
Parsed 16 properties from file /home/mcc/execution/ReachabilityCardinality.xml in 46 ms.
Working with output stream class java.io.PrintStream
FORMULA DiscoveryGPU-PT-08a-ReachabilityCardinality-05 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA DiscoveryGPU-PT-08a-ReachabilityCardinality-06 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA DiscoveryGPU-PT-08a-ReachabilityCardinality-07 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA DiscoveryGPU-PT-08a-ReachabilityCardinality-12 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA DiscoveryGPU-PT-08a-ReachabilityCardinality-15 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
[2023-03-10 03:30:56] [INFO ] Flatten gal took : 82 ms
[2023-03-10 03:30:56] [INFO ] Flatten gal took : 39 ms
[2023-03-10 03:30:56] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality7257656154831512722.gal : 26 ms
[2023-03-10 03:30:56] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality12062745177999831878.prop : 3 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/ReachabilityCardinality7257656154831512722.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality12062745177999831878.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
Loading property file /tmp/ReachabilityCardinality12062745177999831878.prop.
SDD proceeding with computation,11 properties remain. new max is 4
SDD size :1 after 20
SDD proceeding with computation,11 properties remain. new max is 8
SDD size :20 after 54
SDD proceeding with computation,11 properties remain. new max is 16
SDD size :54 after 55
Reachability property DiscoveryGPU-PT-08a-ReachabilityCardinality-00 is true.
FORMULA DiscoveryGPU-PT-08a-ReachabilityCardinality-00 TRUE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL COLLATERAL_PROCESSING
SDD proceeding with computation,10 properties remain. new max is 16
SDD size :55 after 274
SDD proceeding with computation,10 properties remain. new max is 32
SDD size :274 after 283
Invariant property DiscoveryGPU-PT-08a-ReachabilityCardinality-13 does not hold.
FORMULA DiscoveryGPU-PT-08a-ReachabilityCardinality-13 FALSE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL COLLATERAL_PROCESSING
SDD proceeding with computation,9 properties remain. new max is 32
SDD size :283 after 285
SDD proceeding with computation,9 properties remain. new max is 64
SDD size :285 after 541
Invariant property DiscoveryGPU-PT-08a-ReachabilityCardinality-11 does not hold.
FORMULA DiscoveryGPU-PT-08a-ReachabilityCardinality-11 FALSE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL COLLATERAL_PROCESSING
Incomplete random walk after 10000 steps, including 119 resets, run finished after 803 ms. (steps per millisecond=12 ) properties (out of 11) seen :7
FORMULA DiscoveryGPU-PT-08a-ReachabilityCardinality-10 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA DiscoveryGPU-PT-08a-ReachabilityCardinality-09 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA DiscoveryGPU-PT-08a-ReachabilityCardinality-04 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA DiscoveryGPU-PT-08a-ReachabilityCardinality-01 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
SDD proceeding with computation,8 properties remain. new max is 64
SDD size :541 after 2406
SDD proceeding with computation,8 properties remain. new max is 128
SDD size :2406 after 3527
Reachability property DiscoveryGPU-PT-08a-ReachabilityCardinality-14 is true.
FORMULA DiscoveryGPU-PT-08a-ReachabilityCardinality-14 TRUE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL COLLATERAL_PROCESSING
SDD proceeding with computation,7 properties remain. new max is 128
SDD size :3527 after 12002
Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
petri\_inst\_inst,2.14359e+08,0.27084,9148,2,348,19,35367,13,0,565,14358,0
Total reachable state count : 214358882

Verifying 11 reachability properties.
Reachability property DiscoveryGPU-PT-08a-ReachabilityCardinality-00 is true.

Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
DiscoveryGPU-PT-08a-ReachabilityCardinality-00,1089,0.273101,9412,2,189,19,35367,14,0,595,14358,0
Invariant property DiscoveryGPU-PT-08a-ReachabilityCardinality-01 does not hold.

Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
DiscoveryGPU-PT-08a-ReachabilityCardinality-01,880,0.273941,9412,2,165,19,35367,14,0,597,14358,0
Reachability property DiscoveryGPU-PT-08a-ReachabilityCardinality-02 does not hold.
FORMULA DiscoveryGPU-PT-08a-ReachabilityCardinality-02 FALSE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL COLLATERAL_PROCESSING
No reachable states exhibit your property : DiscoveryGPU-PT-08a-ReachabilityCardinality-02

Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
DiscoveryGPU-PT-08a-ReachabilityCardinality-02,0,0.275682,9412,1,0,19,35367,14,0,611,14358,0
Invariant property DiscoveryGPU-PT-08a-ReachabilityCardinality-03 is true.
FORMULA DiscoveryGPU-PT-08a-ReachabilityCardinality-03 TRUE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL COLLATERAL_PROCESSING

Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
DiscoveryGPU-PT-08a-ReachabilityCardinality-03,0,0.28032,9412,1,0,19,35367,14,0,644,14358,0
Reachability property DiscoveryGPU-PT-08a-ReachabilityCardinality-04 is true.

Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 155 ms. (steps per millisecond=64 ) properties (out of 4) seen :0
Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
DiscoveryGPU-PT-08a-ReachabilityCardinality-04,131769,0.281139,9412,2,234,19,35367,14,0,646,14358,0
Invariant property DiscoveryGPU-PT-08a-ReachabilityCardinality-08 does not hold.
FORMULA DiscoveryGPU-PT-08a-ReachabilityCardinality-08 FALSE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL COLLATERAL_PROCESSING

Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
DiscoveryGPU-PT-08a-ReachabilityCardinality-08,161051,0.284849,9412,2,179,19,35367,14,0,658,14358,0
Invariant property DiscoveryGPU-PT-08a-ReachabilityCardinality-09 does not hold.

Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
DiscoveryGPU-PT-08a-ReachabilityCardinality-09,73205,0.286495,9412,2,228,19,35367,14,0,662,14358,0
Invariant property DiscoveryGPU-PT-08a-ReachabilityCardinality-10 does not hold.

Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
DiscoveryGPU-PT-08a-ReachabilityCardinality-10,1.33089e+06,0.291142,9412,2,281,19,35367,14,0,695,14358,0
Invariant property DiscoveryGPU-PT-08a-ReachabilityCardinality-11 does not hold.

Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
DiscoveryGPU-PT-08a-ReachabilityCardinality-11,111,0.300847,9412,2,149,19,35367,15,0,806,14358,0
Invariant property DiscoveryGPU-PT-08a-ReachabilityCardinality-13 does not hold.

Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
DiscoveryGPU-PT-08a-ReachabilityCardinality-13,7,0.301762,9412,2,89,19,35367,16,0,806,14358,0
Reachability property DiscoveryGPU-PT-08a-ReachabilityCardinality-14 is true.

Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
DiscoveryGPU-PT-08a-ReachabilityCardinality-14,10,0.304315,9412,2,96,19,35367,17,0,843,14358,0
ITS tools runner thread asked to quit. Dying gracefully.
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 168 ms. (steps per millisecond=59 ) properties (out of 4) seen :0
Incomplete Best-First random walk after 10001 steps, including 14 resets, run finished after 65 ms. (steps per millisecond=153 ) properties (out of 4) seen :1
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 153 ms. (steps per millisecond=65 ) properties (out of 3) seen :0
Running SMT prover for 3 properties.
[2023-03-10 03:30:57] [INFO ] Flow matrix only has 105 transitions (discarded 8 similar events)
// Phase 1: matrix 105 rows 83 cols
[2023-03-10 03:30:57] [INFO ] Computed 2 place invariants in 7 ms
[2023-03-10 03:30:57] [INFO ] After 261ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:3
[2023-03-10 03:30:57] [INFO ] [Nat]Absence check using 2 positive place invariants in 3 ms returned sat
[2023-03-10 03:30:57] [INFO ] After 88ms SMT Verify possible using state equation in natural domain returned unsat :2 sat :1
[2023-03-10 03:30:57] [INFO ] State equation strengthened by 64 read => feed constraints.
[2023-03-10 03:30:57] [INFO ] After 26ms SMT Verify possible using 64 Read/Feed constraints in natural domain returned unsat :2 sat :1
[2023-03-10 03:30:57] [INFO ] After 58ms SMT Verify possible using trap constraints in natural domain returned unsat :2 sat :1
Attempting to minimize the solution found.
Minimization took 27 ms.
[2023-03-10 03:30:57] [INFO ] After 288ms SMT Verify possible using all constraints in natural domain returned unsat :2 sat :1
Fused 3 Parikh solutions to 1 different solutions.
Parikh walk visited 0 properties in 3 ms.
All properties solved without resorting to model-checking.
Total runtime 2408 ms.

BK_STOP 1678419058740

--------------------
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="DiscoveryGPU-PT-08a"
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 DiscoveryGPU-PT-08a, 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 r133-smll-167819410700318"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/DiscoveryGPU-PT-08a.tgz
mv DiscoveryGPU-PT-08a 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 ;