About the Execution of Smart+red for Szymanski-PT-b04
| Execution Summary | |||||
| Max Memory Used (MB) |
Time wait (ms) | CPU Usage (ms) | I/O Wait (ms) | Computed Result | Execution Status |
| 16213.420 | 1816310.00 | 1858552.00 | 8516.20 | TTFFTTFFTTTF?FFT | 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.r491-tall-167912710500462.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 smartxred
Input is Szymanski-PT-b04, examination is ReachabilityCardinality
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r491-tall-167912710500462
=====================================================================
--------------------
preparation of the directory to be used:
/home/mcc/execution
total 4.2M
-rw-r--r-- 1 mcc users 8.4K Feb 26 16:53 CTLCardinality.txt
-rw-r--r-- 1 mcc users 95K Feb 26 16:53 CTLCardinality.xml
-rw-r--r-- 1 mcc users 5.6K Feb 26 16:52 CTLFireability.txt
-rw-r--r-- 1 mcc users 52K Feb 26 16:52 CTLFireability.xml
-rw-r--r-- 1 mcc users 3.3K Feb 25 17:19 LTLCardinality.txt
-rw-r--r-- 1 mcc users 24K Feb 25 17:19 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.1K Feb 25 17:19 LTLFireability.txt
-rw-r--r-- 1 mcc users 14K Feb 25 17:19 LTLFireability.xml
-rw-r--r-- 1 mcc users 18K Feb 26 16:55 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 205K Feb 26 16:55 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 11K Feb 26 16:54 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 95K Feb 26 16:54 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.6K Feb 25 17:19 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.6K Feb 25 17:19 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 Mar 5 18:23 equiv_col
-rw-r--r-- 1 mcc users 4 Mar 5 18:23 instance
-rw-r--r-- 1 mcc users 6 Mar 5 18:23 iscolored
-rw-r--r-- 1 mcc users 3.7M 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 Szymanski-PT-b04-ReachabilityCardinality-00
FORMULA_NAME Szymanski-PT-b04-ReachabilityCardinality-01
FORMULA_NAME Szymanski-PT-b04-ReachabilityCardinality-02
FORMULA_NAME Szymanski-PT-b04-ReachabilityCardinality-03
FORMULA_NAME Szymanski-PT-b04-ReachabilityCardinality-04
FORMULA_NAME Szymanski-PT-b04-ReachabilityCardinality-05
FORMULA_NAME Szymanski-PT-b04-ReachabilityCardinality-06
FORMULA_NAME Szymanski-PT-b04-ReachabilityCardinality-07
FORMULA_NAME Szymanski-PT-b04-ReachabilityCardinality-08
FORMULA_NAME Szymanski-PT-b04-ReachabilityCardinality-09
FORMULA_NAME Szymanski-PT-b04-ReachabilityCardinality-10
FORMULA_NAME Szymanski-PT-b04-ReachabilityCardinality-11
FORMULA_NAME Szymanski-PT-b04-ReachabilityCardinality-12
FORMULA_NAME Szymanski-PT-b04-ReachabilityCardinality-13
FORMULA_NAME Szymanski-PT-b04-ReachabilityCardinality-14
FORMULA_NAME Szymanski-PT-b04-ReachabilityCardinality-15
=== Now, execution of the tool begins
BK_START 1679255990099
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=smartxred
BK_EXAMINATION=ReachabilityCardinality
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=Szymanski-PT-b04
Applying reductions before tool smart
Invoking reducer
Running Version 202303021504
[2023-03-19 19:59:51] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, ReachabilityCardinality, -timeout, 360, -rebuildPNML]
[2023-03-19 19:59:51] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2023-03-19 19:59:52] [INFO ] Load time of PNML (sax parser for PT used): 300 ms
[2023-03-19 19:59:52] [INFO ] Transformed 568 places.
[2023-03-19 19:59:52] [INFO ] Transformed 8320 transitions.
[2023-03-19 19:59:52] [INFO ] Parsed PT model containing 568 places and 8320 transitions and 33408 arcs in 620 ms.
Parsed 16 properties from file /home/mcc/execution/ReachabilityCardinality.xml in 24 ms.
Working with output stream class java.io.PrintStream
Deduced a syphon composed of 260 places in 24 ms
Reduce places removed 260 places and 256 transitions.
FORMULA Szymanski-PT-b04-ReachabilityCardinality-02 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA Szymanski-PT-b04-ReachabilityCardinality-05 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA Szymanski-PT-b04-ReachabilityCardinality-08 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA Szymanski-PT-b04-ReachabilityCardinality-13 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA Szymanski-PT-b04-ReachabilityCardinality-15 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Incomplete random walk after 10000 steps, including 2 resets, run finished after 318 ms. (steps per millisecond=31 ) properties (out of 11) seen :1
FORMULA Szymanski-PT-b04-ReachabilityCardinality-03 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 67 ms. (steps per millisecond=149 ) properties (out of 10) seen :0
Incomplete Best-First random walk after 10000 steps, including 2 resets, run finished after 77 ms. (steps per millisecond=129 ) properties (out of 10) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 60 ms. (steps per millisecond=166 ) properties (out of 10) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 55 ms. (steps per millisecond=181 ) properties (out of 10) seen :0
Incomplete Best-First random walk after 10001 steps, including 5 resets, run finished after 51 ms. (steps per millisecond=196 ) properties (out of 10) seen :0
Incomplete Best-First random walk after 10000 steps, including 2 resets, run finished after 75 ms. (steps per millisecond=133 ) properties (out of 10) seen :1
FORMULA Szymanski-PT-b04-ReachabilityCardinality-09 TRUE TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
Incomplete Best-First random walk after 10000 steps, including 2 resets, run finished after 41 ms. (steps per millisecond=243 ) properties (out of 9) seen :0
Incomplete Best-First random walk after 10001 steps, including 4 resets, run finished after 58 ms. (steps per millisecond=172 ) properties (out of 9) seen :0
Incomplete Best-First random walk after 10001 steps, including 4 resets, run finished after 53 ms. (steps per millisecond=188 ) properties (out of 9) seen :0
Incomplete Best-First random walk after 10001 steps, including 3 resets, run finished after 51 ms. (steps per millisecond=196 ) properties (out of 9) seen :0
Running SMT prover for 9 properties.
[2023-03-19 19:59:53] [INFO ] Flow matrix only has 2733 transitions (discarded 5331 similar events)
// Phase 1: matrix 2733 rows 308 cols
[2023-03-19 19:59:53] [INFO ] Computed 3 place invariants in 53 ms
[2023-03-19 19:59:54] [INFO ] After 408ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:9
[2023-03-19 19:59:54] [INFO ] [Nat]Absence check using 2 positive place invariants in 3 ms returned sat
[2023-03-19 19:59:54] [INFO ] [Nat]Absence check using 2 positive and 1 generalized place invariants in 0 ms returned sat
[2023-03-19 19:59:55] [INFO ] After 824ms SMT Verify possible using state equation in natural domain returned unsat :8 sat :1
[2023-03-19 19:59:55] [INFO ] State equation strengthened by 147 read => feed constraints.
[2023-03-19 19:59:59] [INFO ] After 4220ms SMT Verify possible using 147 Read/Feed constraints in natural domain returned unsat :8 sat :1
[2023-03-19 19:59:59] [INFO ] Deduced a trap composed of 140 places in 535 ms of which 7 ms to minimize.
[2023-03-19 20:00:00] [INFO ] Deduced a trap composed of 139 places in 428 ms of which 1 ms to minimize.
[2023-03-19 20:00:00] [INFO ] Deduced a trap composed of 141 places in 411 ms of which 1 ms to minimize.
[2023-03-19 20:00:01] [INFO ] Trap strengthening (SAT) tested/added 4/3 trap constraints in 1644 ms
[2023-03-19 20:00:01] [INFO ] After 5915ms SMT Verify possible using trap constraints in natural domain returned unsat :8 sat :1
Attempting to minimize the solution found.
Minimization took 58 ms.
[2023-03-19 20:00:01] [INFO ] After 6971ms SMT Verify possible using all constraints in natural domain returned unsat :8 sat :1
FORMULA Szymanski-PT-b04-ReachabilityCardinality-14 FALSE TECHNIQUES STRUCTURAL_REDUCTION TOPOLOGICAL SAT_SMT
FORMULA Szymanski-PT-b04-ReachabilityCardinality-11 FALSE TECHNIQUES STRUCTURAL_REDUCTION TOPOLOGICAL SAT_SMT
FORMULA Szymanski-PT-b04-ReachabilityCardinality-10 TRUE TECHNIQUES STRUCTURAL_REDUCTION TOPOLOGICAL SAT_SMT
FORMULA Szymanski-PT-b04-ReachabilityCardinality-07 FALSE TECHNIQUES STRUCTURAL_REDUCTION TOPOLOGICAL SAT_SMT
FORMULA Szymanski-PT-b04-ReachabilityCardinality-06 FALSE TECHNIQUES STRUCTURAL_REDUCTION TOPOLOGICAL SAT_SMT
FORMULA Szymanski-PT-b04-ReachabilityCardinality-04 TRUE TECHNIQUES STRUCTURAL_REDUCTION TOPOLOGICAL SAT_SMT
FORMULA Szymanski-PT-b04-ReachabilityCardinality-01 TRUE TECHNIQUES STRUCTURAL_REDUCTION TOPOLOGICAL SAT_SMT
FORMULA Szymanski-PT-b04-ReachabilityCardinality-00 TRUE TECHNIQUES STRUCTURAL_REDUCTION TOPOLOGICAL SAT_SMT
Fused 9 Parikh solutions to 1 different solutions.
Parikh walk visited 0 properties in 9 ms.
Support contains 1 out of 308 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 308/308 places, 8064/8064 transitions.
Graph (complete) has 9195 edges and 308 vertex of which 306 are kept as prefixes of interest. Removing 2 places using SCC suffix rule.14 ms
Discarding 2 places :
Also discarding 0 output transitions
Drop transitions removed 128 transitions
Reduce isomorphic transitions removed 128 transitions.
Iterating post reduction 0 with 128 rules applied. Total rules applied 129 place count 306 transition count 7936
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 130 place count 305 transition count 7808
Iterating global reduction 1 with 1 rules applied. Total rules applied 131 place count 305 transition count 7808
Applied a total of 131 rules in 436 ms. Remains 305 /308 variables (removed 3) and now considering 7808/8064 (removed 256) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 438 ms. Remains : 305/308 places, 7808/8064 transitions.
Incomplete random walk after 10002 steps, including 2 resets, run finished after 32 ms. (steps per millisecond=312 ) properties (out of 1) seen :0
Incomplete Best-First random walk after 10000 steps, including 2 resets, run finished after 16 ms. (steps per millisecond=625 ) properties (out of 1) seen :0
Interrupted probabilistic random walk after 197974 steps, run timeout after 3001 ms. (steps per millisecond=65 ) properties seen :{}
Probabilistic random walk after 197974 steps, saw 64797 distinct states, run finished after 3002 ms. (steps per millisecond=65 ) properties seen :0
Running SMT prover for 1 properties.
[2023-03-19 20:00:04] [INFO ] Flow matrix only has 2604 transitions (discarded 5204 similar events)
// Phase 1: matrix 2604 rows 305 cols
[2023-03-19 20:00:04] [INFO ] Computed 3 place invariants in 32 ms
[2023-03-19 20:00:04] [INFO ] After 57ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
[2023-03-19 20:00:04] [INFO ] [Nat]Absence check using 3 positive place invariants in 2 ms returned sat
[2023-03-19 20:00:05] [INFO ] After 658ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
[2023-03-19 20:00:05] [INFO ] State equation strengthened by 147 read => feed constraints.
[2023-03-19 20:00:08] [INFO ] After 2929ms SMT Verify possible using 147 Read/Feed constraints in natural domain returned unsat :0 sat :1
[2023-03-19 20:00:08] [INFO ] After 3044ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
Attempting to minimize the solution found.
Minimization took 54 ms.
[2023-03-19 20:00:08] [INFO ] After 3846ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
Parikh walk visited 0 properties in 6 ms.
Support contains 1 out of 305 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 305/305 places, 7808/7808 transitions.
Applied a total of 0 rules in 244 ms. Remains 305 /305 variables (removed 0) and now considering 7808/7808 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 245 ms. Remains : 305/305 places, 7808/7808 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 305/305 places, 7808/7808 transitions.
Applied a total of 0 rules in 293 ms. Remains 305 /305 variables (removed 0) and now considering 7808/7808 (removed 0) transitions.
[2023-03-19 20:00:09] [INFO ] Flow matrix only has 2604 transitions (discarded 5204 similar events)
[2023-03-19 20:00:09] [INFO ] Invariant cache hit.
[2023-03-19 20:00:09] [INFO ] Implicit Places using invariants in 584 ms returned []
[2023-03-19 20:00:09] [INFO ] Flow matrix only has 2604 transitions (discarded 5204 similar events)
[2023-03-19 20:00:09] [INFO ] Invariant cache hit.
[2023-03-19 20:00:10] [INFO ] State equation strengthened by 147 read => feed constraints.
[2023-03-19 20:00:12] [INFO ] Implicit Places using invariants and state equation in 2317 ms returned []
Implicit Place search using SMT with State Equation took 2907 ms to find 0 implicit places.
[2023-03-19 20:00:12] [INFO ] Redundant transitions in 898 ms returned []
[2023-03-19 20:00:12] [INFO ] Flow matrix only has 2604 transitions (discarded 5204 similar events)
[2023-03-19 20:00:12] [INFO ] Invariant cache hit.
[2023-03-19 20:00:15] [INFO ] Dead Transitions using invariants and state equation in 2486 ms found 0 transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 6597 ms. Remains : 305/305 places, 7808/7808 transitions.
Graph (trivial) has 5264 edges and 305 vertex of which 38 / 305 are part of one of the 2 SCC in 5 ms
Free SCC test removed 36 places
Drop transitions removed 4264 transitions
Ensure Unique test removed 1182 transitions
Reduce isomorphic transitions removed 5446 transitions.
Drop transitions removed 416 transitions
Redundant transition composition rules discarded 416 transitions
Iterating global reduction 0 with 416 rules applied. Total rules applied 417 place count 269 transition count 1946
Applied a total of 417 rules in 193 ms. Remains 269 /305 variables (removed 36) and now considering 1946/7808 (removed 5862) transitions.
Running SMT prover for 1 properties.
// Phase 1: matrix 1946 rows 269 cols
[2023-03-19 20:00:15] [INFO ] Computed 3 place invariants in 19 ms
[2023-03-19 20:00:15] [INFO ] After 44ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
[2023-03-19 20:00:15] [INFO ] [Nat]Absence check using 3 positive place invariants in 3 ms returned sat
[2023-03-19 20:00:16] [INFO ] After 349ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
[2023-03-19 20:00:16] [INFO ] State equation strengthened by 504 read => feed constraints.
[2023-03-19 20:00:16] [INFO ] After 200ms SMT Verify possible using 504 Read/Feed constraints in natural domain returned unsat :0 sat :1
[2023-03-19 20:00:16] [INFO ] After 267ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
Attempting to minimize the solution found.
Minimization took 40 ms.
[2023-03-19 20:00:16] [INFO ] After 717ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
[2023-03-19 20:00:16] [INFO ] Export to MCC of 1 properties in file /home/mcc/execution/ReachabilityCardinality.sr.xml took 3 ms.
[2023-03-19 20:00:16] [INFO ] Export to PNML in file /home/mcc/execution/model.sr.pnml of net with 305 places, 7808 transitions and 31360 arcs took 34 ms.
[2023-03-19 20:00:17] [INFO ] Flatten gal took : 438 ms
Total runtime 25359 ms.
There are residual formulas that ITS could not solve within timeout
======================================================
========== this is Smart for the MCC'2018 ============
======================================================
Running Szymanski (PT), instance b04
Examination ReachabilityCardinality
Parser /home/mcc/BenchKit/bin//../reducer/bin//../../smart/bin//parser/Cardinality.jar
Model checker /home/mcc/BenchKit/bin//../reducer/bin//../../smart/bin//rem_exec//smart
GOT IT HERE. BS
Petri model created: 305 places, 7808 transitions, 31360 arcs.
Final Score: 92109.935
Took : 128 seconds
Reachability Cardinality file is: ReachabilityCardinality.xml
READY TO PARSE. BS
PROPERTY: Szymanski-PT-b04-ReachabilityCardinality-12 (reachable &!potential( ( (tk(P246)) <= ( 0 ) )))
BK_STOP 1679257806409
--------------------
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//
++ ls /home/mcc/BenchKit/bin//../reducer/bin//../../itstools//itstools/plugins/fr.lip6.move.gal.application.pnmcc_1.0.0.202303021504.jar
++ perl -pe 's/.*\.//g'
+ VERSION=202303021504
+ echo 'Running Version 202303021504'
+ /home/mcc/BenchKit/bin//../reducer/bin//../../itstools//itstools/its-tools -pnfolder /home/mcc/execution -examination ReachabilityCardinality -timeout 360 -rebuildPNML
/home/mcc/BenchKit/bin//../reducer/bin//../../smart/bin//smart.sh: line 116: 545 Killed ${SMART}/smart ${INPUT_SM}
Sequence of Actions to be Executed by the VM
This is useful if one wants to reexecute the tool in the VM from the submitted image disk.
set -x
# this is for BenchKit: configuration of major elements for the test
export BK_INPUT="Szymanski-PT-b04"
export BK_EXAMINATION="ReachabilityCardinality"
export BK_TOOL="smartxred"
export BK_RESULT_DIR="/tmp/BK_RESULTS/OUTPUTS"
export BK_TIME_CONFINEMENT="3600"
export BK_MEMORY_CONFINEMENT="16384"
export BK_BIN_PATH="/home/mcc/BenchKit/bin/"
# this is specific to your benchmark or test
export BIN_DIR="$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 smartxred"
echo " Input is Szymanski-PT-b04, 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 r491-tall-167912710500462"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"
tar xzf /home/mcc/BenchKit/INPUTS/Szymanski-PT-b04.tgz
mv Szymanski-PT-b04 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 '
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 ;