fond
Model Checking Contest 2023
13th edition, Paris, France, April 26, 2023 (at TOOLympics II)
Execution of r457-smll-167912649100311
Last Updated
May 14, 2023

About the Execution of LTSMin+red for Solitaire-PT-EngCT7x7

Execution Summary
Max Memory
Used (MB)
Time wait (ms) CPU Usage (ms) I/O Wait (ms) Computed Result Execution
Status
8043.760 2958997.00 11769312.00 648.90 TTFFFTTFFFTTTTTT normal

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.r457-smll-167912649100311.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 ltsminxred
Input is Solitaire-PT-EngCT7x7, examination is ReachabilityFireability
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r457-smll-167912649100311
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 536K
-rw-r--r-- 1 mcc users 6.6K Feb 26 12:57 CTLCardinality.txt
-rw-r--r-- 1 mcc users 70K Feb 26 12:57 CTLCardinality.xml
-rw-r--r-- 1 mcc users 5.7K Feb 26 12:57 CTLFireability.txt
-rw-r--r-- 1 mcc users 52K Feb 26 12:57 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K Jan 29 11:41 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 6.8K Jan 29 11:41 GenericPropertiesVerdict.xml
-rw-r--r-- 1 mcc users 3.7K Feb 25 17:10 LTLCardinality.txt
-rw-r--r-- 1 mcc users 27K Feb 25 17:10 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.2K Feb 25 17:10 LTLFireability.txt
-rw-r--r-- 1 mcc users 15K Feb 25 17:10 LTLFireability.xml
-rw-r--r-- 1 mcc users 9.9K Feb 26 12:58 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 105K Feb 26 12:58 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 12K Feb 26 12:58 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 96K Feb 26 12:58 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.7K Feb 25 17:10 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.7K Feb 25 17:10 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 Mar 5 18:23 equiv_col
-rw-r--r-- 1 mcc users 9 Mar 5 18:23 instance
-rw-r--r-- 1 mcc users 6 Mar 5 18:23 iscolored
-rw-r--r-- 1 mcc users 77K 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 Solitaire-PT-EngCT7x7-ReachabilityFireability-00
FORMULA_NAME Solitaire-PT-EngCT7x7-ReachabilityFireability-01
FORMULA_NAME Solitaire-PT-EngCT7x7-ReachabilityFireability-02
FORMULA_NAME Solitaire-PT-EngCT7x7-ReachabilityFireability-03
FORMULA_NAME Solitaire-PT-EngCT7x7-ReachabilityFireability-04
FORMULA_NAME Solitaire-PT-EngCT7x7-ReachabilityFireability-05
FORMULA_NAME Solitaire-PT-EngCT7x7-ReachabilityFireability-06
FORMULA_NAME Solitaire-PT-EngCT7x7-ReachabilityFireability-07
FORMULA_NAME Solitaire-PT-EngCT7x7-ReachabilityFireability-08
FORMULA_NAME Solitaire-PT-EngCT7x7-ReachabilityFireability-09
FORMULA_NAME Solitaire-PT-EngCT7x7-ReachabilityFireability-10
FORMULA_NAME Solitaire-PT-EngCT7x7-ReachabilityFireability-11
FORMULA_NAME Solitaire-PT-EngCT7x7-ReachabilityFireability-12
FORMULA_NAME Solitaire-PT-EngCT7x7-ReachabilityFireability-13
FORMULA_NAME Solitaire-PT-EngCT7x7-ReachabilityFireability-14
FORMULA_NAME Solitaire-PT-EngCT7x7-ReachabilityFireability-15

=== Now, execution of the tool begins

BK_START 1679358641309

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=ltsminxred
BK_EXAMINATION=ReachabilityFireability
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=Solitaire-PT-EngCT7x7
Applying reductions before tool ltsmin
Invoking reducer
Running Version 202303021504
[2023-03-21 00:30:44] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, ReachabilityFireability, -timeout, 360, -rebuildPNML]
[2023-03-21 00:30:44] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2023-03-21 00:30:44] [INFO ] Load time of PNML (sax parser for PT used): 80 ms
[2023-03-21 00:30:44] [INFO ] Transformed 67 places.
[2023-03-21 00:30:44] [INFO ] Transformed 76 transitions.
[2023-03-21 00:30:44] [INFO ] Parsed PT model containing 67 places and 76 transitions and 532 arcs in 224 ms.
Parsed 16 properties from file /home/mcc/execution/ReachabilityFireability.xml in 23 ms.
Working with output stream class java.io.PrintStream
Initial state reduction rules removed 5 formulas.
FORMULA Solitaire-PT-EngCT7x7-ReachabilityFireability-00 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA Solitaire-PT-EngCT7x7-ReachabilityFireability-06 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA Solitaire-PT-EngCT7x7-ReachabilityFireability-07 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA Solitaire-PT-EngCT7x7-ReachabilityFireability-08 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA Solitaire-PT-EngCT7x7-ReachabilityFireability-09 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA Solitaire-PT-EngCT7x7-ReachabilityFireability-13 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA Solitaire-PT-EngCT7x7-ReachabilityFireability-15 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Incomplete random walk after 10000 steps, including 396 resets, run finished after 787 ms. (steps per millisecond=12 ) properties (out of 9) seen :5
FORMULA Solitaire-PT-EngCT7x7-ReachabilityFireability-14 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA Solitaire-PT-EngCT7x7-ReachabilityFireability-12 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA Solitaire-PT-EngCT7x7-ReachabilityFireability-11 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA Solitaire-PT-EngCT7x7-ReachabilityFireability-10 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA Solitaire-PT-EngCT7x7-ReachabilityFireability-01 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
Incomplete Best-First random walk after 10001 steps, including 57 resets, run finished after 138 ms. (steps per millisecond=72 ) properties (out of 4) seen :0
Incomplete Best-First random walk after 10000 steps, including 62 resets, run finished after 150 ms. (steps per millisecond=66 ) properties (out of 4) seen :0
Incomplete Best-First random walk after 10001 steps, including 55 resets, run finished after 160 ms. (steps per millisecond=62 ) properties (out of 4) seen :0
Incomplete Best-First random walk after 10001 steps, including 54 resets, run finished after 133 ms. (steps per millisecond=75 ) properties (out of 4) seen :1
FORMULA Solitaire-PT-EngCT7x7-ReachabilityFireability-05 TRUE TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
Running SMT prover for 3 properties.
// Phase 1: matrix 76 rows 67 cols
[2023-03-21 00:30:46] [INFO ] Computed 34 place invariants in 13 ms
[2023-03-21 00:30:46] [INFO ] [Real]Absence check using 33 positive place invariants in 17 ms returned sat
[2023-03-21 00:30:46] [INFO ] [Real]Absence check using 33 positive and 1 generalized place invariants in 1 ms returned sat
[2023-03-21 00:30:46] [INFO ] After 273ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:3
[2023-03-21 00:30:46] [INFO ] [Nat]Absence check using 33 positive place invariants in 12 ms returned sat
[2023-03-21 00:30:46] [INFO ] [Nat]Absence check using 33 positive and 1 generalized place invariants in 1 ms returned sat
[2023-03-21 00:30:46] [INFO ] After 115ms SMT Verify possible using state equation in natural domain returned unsat :2 sat :1
[2023-03-21 00:30:46] [INFO ] After 172ms SMT Verify possible using trap constraints in natural domain returned unsat :2 sat :1
Attempting to minimize the solution found.
Minimization took 47 ms.
[2023-03-21 00:30:46] [INFO ] After 331ms SMT Verify possible using all constraints in natural domain returned unsat :2 sat :1
FORMULA Solitaire-PT-EngCT7x7-ReachabilityFireability-04 FALSE TECHNIQUES STRUCTURAL_REDUCTION TOPOLOGICAL SAT_SMT
FORMULA Solitaire-PT-EngCT7x7-ReachabilityFireability-03 FALSE TECHNIQUES STRUCTURAL_REDUCTION TOPOLOGICAL SAT_SMT
Fused 3 Parikh solutions to 1 different solutions.
Parikh walk visited 0 properties in 4 ms.
Support contains 29 out of 67 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 67/67 places, 76/76 transitions.
Applied a total of 0 rules in 35 ms. Remains 67 /67 variables (removed 0) and now considering 76/76 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 36 ms. Remains : 67/67 places, 76/76 transitions.
Incomplete random walk after 10000 steps, including 396 resets, run finished after 68 ms. (steps per millisecond=147 ) properties (out of 1) seen :0
Incomplete Best-First random walk after 10001 steps, including 57 resets, run finished after 39 ms. (steps per millisecond=256 ) properties (out of 1) seen :0
Interrupted probabilistic random walk after 1399610 steps, run timeout after 3001 ms. (steps per millisecond=466 ) properties seen :{}
Probabilistic random walk after 1399610 steps, saw 283922 distinct states, run finished after 3002 ms. (steps per millisecond=466 ) properties seen :0
Running SMT prover for 1 properties.
[2023-03-21 00:30:49] [INFO ] Invariant cache hit.
[2023-03-21 00:30:50] [INFO ] [Real]Absence check using 33 positive place invariants in 131 ms returned sat
[2023-03-21 00:30:50] [INFO ] [Real]Absence check using 33 positive and 1 generalized place invariants in 4 ms returned sat
[2023-03-21 00:30:50] [INFO ] After 281ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
[2023-03-21 00:30:50] [INFO ] [Nat]Absence check using 33 positive place invariants in 8 ms returned sat
[2023-03-21 00:30:50] [INFO ] [Nat]Absence check using 33 positive and 1 generalized place invariants in 1 ms returned sat
[2023-03-21 00:30:50] [INFO ] After 382ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
[2023-03-21 00:30:50] [INFO ] After 505ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
Attempting to minimize the solution found.
Minimization took 75 ms.
[2023-03-21 00:30:50] [INFO ] After 664ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
Parikh walk visited 0 properties in 1 ms.
Support contains 29 out of 67 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 67/67 places, 76/76 transitions.
Applied a total of 0 rules in 9 ms. Remains 67 /67 variables (removed 0) and now considering 76/76 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 9 ms. Remains : 67/67 places, 76/76 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 67/67 places, 76/76 transitions.
Applied a total of 0 rules in 5 ms. Remains 67 /67 variables (removed 0) and now considering 76/76 (removed 0) transitions.
[2023-03-21 00:30:50] [INFO ] Invariant cache hit.
[2023-03-21 00:30:51] [INFO ] Implicit Places using invariants in 89 ms returned []
[2023-03-21 00:30:51] [INFO ] Invariant cache hit.
[2023-03-21 00:30:51] [INFO ] Implicit Places using invariants and state equation in 155 ms returned []
Implicit Place search using SMT with State Equation took 248 ms to find 0 implicit places.
[2023-03-21 00:30:51] [INFO ] Redundant transitions in 2 ms returned []
[2023-03-21 00:30:51] [INFO ] Invariant cache hit.
[2023-03-21 00:30:51] [INFO ] Dead Transitions using invariants and state equation in 99 ms found 0 transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 364 ms. Remains : 67/67 places, 76/76 transitions.
Applied a total of 0 rules in 4 ms. Remains 67 /67 variables (removed 0) and now considering 76/76 (removed 0) transitions.
Running SMT prover for 1 properties.
[2023-03-21 00:30:51] [INFO ] Invariant cache hit.
[2023-03-21 00:30:51] [INFO ] [Real]Absence check using 33 positive place invariants in 14 ms returned sat
[2023-03-21 00:30:51] [INFO ] [Real]Absence check using 33 positive and 1 generalized place invariants in 1 ms returned sat
[2023-03-21 00:30:51] [INFO ] After 54ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
[2023-03-21 00:30:51] [INFO ] [Nat]Absence check using 33 positive place invariants in 8 ms returned sat
[2023-03-21 00:30:51] [INFO ] [Nat]Absence check using 33 positive and 1 generalized place invariants in 1 ms returned sat
[2023-03-21 00:30:51] [INFO ] After 89ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
[2023-03-21 00:30:51] [INFO ] After 210ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
Attempting to minimize the solution found.
Minimization took 49 ms.
[2023-03-21 00:30:51] [INFO ] After 309ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
[2023-03-21 00:30:51] [INFO ] Export to MCC of 1 properties in file /home/mcc/execution/ReachabilityFireability.sr.xml took 11 ms.
[2023-03-21 00:30:51] [INFO ] Export to PNML in file /home/mcc/execution/model.sr.pnml of net with 67 places, 76 transitions and 532 arcs took 4 ms.
[2023-03-21 00:30:51] [INFO ] Flatten gal took : 60 ms
Total runtime 7670 ms.
There are residual formulas that ITS could not solve within timeout
pnml2lts-sym model.pnml --lace-workers=4 --vset=lddmc --saturation=sat -rbs,w2W,ru,hf --sylvan-sizes=20,28,20,28 --inv-bin-par --invariant=/tmp/485/inv_0_ --inv-par
FORMULA Solitaire-PT-EngCT7x7-ReachabilityFireability-02 FALSE TECHNIQUES DECISION_DIAGRAMS PARALLEL_PROCESSING USE_NUPN

BK_STOP 1679361600306

--------------------
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_1.0.0.202303021504.jar
+ VERSION=202303021504
+ echo 'Running Version 202303021504'
+ /home/mcc/BenchKit/bin//../reducer/bin//../../itstools//itstools/its-tools -pnfolder /home/mcc/execution -examination ReachabilityFireability -timeout 360 -rebuildPNML
mcc2023
rfs formula name Solitaire-PT-EngCT7x7-ReachabilityFireability-02
rfs formula type AG
rfs formula formula --invariant=/tmp/485/inv_0_
pnml2lts-sym: Exploration order is bfs-prev
pnml2lts-sym: Saturation strategy is sat
pnml2lts-sym: Guided search strategy is unguided
pnml2lts-sym: Attractor strategy is default
pnml2lts-sym: opening model.pnml
pnml2lts-sym: Edge label is id
Warning: program compiled against libxml 210 using older 209
pnml2lts-sym: Petri net has 67 places, 76 transitions and 532 arcs
pnml2lts-sym: Petri net Solitaire_PT_EngCT7x7 analyzed
pnml2lts-sym: There are no safe places
pnml2lts-sym: Loading Petri net took 0.000 real 0.000 user 0.000 sys
pnml2lts-sym: Initializing regrouping layer
pnml2lts-sym: Regroup specification: bs,w2W,ru,hf
pnml2lts-sym: Regroup Boost's Sloan
pnml2lts-sym: Regroup over-approximate must-write to may-write
pnml2lts-sym: Regroup Row sUbsume
pnml2lts-sym: Reqroup Horizontal Flip
pnml2lts-sym: Regrouping: 76->38 groups
pnml2lts-sym: Regrouping took 0.010 real 0.020 user 0.000 sys
pnml2lts-sym: state vector length is 67; there are 38 groups
pnml2lts-sym: Creating a multi-core ListDD domain.
pnml2lts-sym: Sylvan allocates 15.000 GB virtual memory for nodes table and operation cache.
pnml2lts-sym: Initial nodes table and operation cache requires 60.00 MB.
pnml2lts-sym: Using GBgetTransitionsShortR2W as next-state function
pnml2lts-sym: got initial state
pnml2lts-sym: vset_sylvan: starting garbage collection
pnml2lts-sym: vset_sylvan: garbage collection done
pnml2lts-sym: vset_sylvan: starting garbage collection
pnml2lts-sym: vset_sylvan: garbage collection done
pnml2lts-sym: vset_sylvan: starting garbage collection
pnml2lts-sym: vset_sylvan: garbage collection done
pnml2lts-sym: vset_sylvan: starting garbage collection
pnml2lts-sym: vset_sylvan: garbage collection done
pnml2lts-sym: vset_sylvan: starting garbage collection
pnml2lts-sym: vset_sylvan: garbage collection done
pnml2lts-sym: vset_sylvan: starting garbage collection
pnml2lts-sym: vset_sylvan: garbage collection done
pnml2lts-sym: vset_sylvan: starting garbage collection
pnml2lts-sym: vset_sylvan: garbage collection done
pnml2lts-sym:
pnml2lts-sym: Invariant violation (/tmp/485/inv_0_) found at depth -1!
pnml2lts-sym:
pnml2lts-sym: all invariants violated
pnml2lts-sym: exiting now
pnml2lts-sym: invariant detection took 2923.350 real 10729.310 user 940.720 sys
pnml2lts-sym: max token count: 32

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="Solitaire-PT-EngCT7x7"
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 2-5348"
echo " Executing tool ltsminxred"
echo " Input is Solitaire-PT-EngCT7x7, 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 r457-smll-167912649100311"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/Solitaire-PT-EngCT7x7.tgz
mv Solitaire-PT-EngCT7x7 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 ;