fond
Model Checking Contest 2023
13th edition, Paris, France, April 26, 2023 (at TOOLympics II)
Execution of r327-tall-167889200200894
Last Updated
May 14, 2023

About the Execution of LoLa+red for RingSingleMessageInMbox-PT-d2m010

Execution Summary
Max Memory
Used (MB)
Time wait (ms) CPU Usage (ms) I/O Wait (ms) Computed Result Execution
Status
16215.983 3600000.00 3845376.00 527834.70 ???TTTTFFT?????F 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.r327-tall-167889200200894.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 lolaxred
Input is RingSingleMessageInMbox-PT-d2m010, examination is ReachabilityCardinality
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r327-tall-167889200200894
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 102M
-rw-r--r-- 1 mcc users 7.1K Feb 26 05:13 CTLCardinality.txt
-rw-r--r-- 1 mcc users 69K Feb 26 05:13 CTLCardinality.xml
-rw-r--r-- 1 mcc users 4.5K Feb 26 05:08 CTLFireability.txt
-rw-r--r-- 1 mcc users 32K Feb 26 05:08 CTLFireability.xml
-rw-r--r-- 1 mcc users 3.9K Feb 25 16:46 LTLCardinality.txt
-rw-r--r-- 1 mcc users 24K Feb 25 16:46 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.7K Feb 25 16:46 LTLFireability.txt
-rw-r--r-- 1 mcc users 20K Feb 25 16:46 LTLFireability.xml
-rw-r--r-- 1 mcc users 14K Feb 26 05:31 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 139K Feb 26 05:31 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 7.6K Feb 26 05:19 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 56K Feb 26 05:19 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.9K Feb 25 16:46 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.9K Feb 25 16:46 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 Mar 5 18:23 equiv_col
-rw-r--r-- 1 mcc users 7 Mar 5 18:23 instance
-rw-r--r-- 1 mcc users 6 Mar 5 18:23 iscolored
-rw-r--r-- 1 mcc users 102M 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 RingSingleMessageInMbox-PT-d2m010-ReachabilityCardinality-00
FORMULA_NAME RingSingleMessageInMbox-PT-d2m010-ReachabilityCardinality-01
FORMULA_NAME RingSingleMessageInMbox-PT-d2m010-ReachabilityCardinality-02
FORMULA_NAME RingSingleMessageInMbox-PT-d2m010-ReachabilityCardinality-03
FORMULA_NAME RingSingleMessageInMbox-PT-d2m010-ReachabilityCardinality-04
FORMULA_NAME RingSingleMessageInMbox-PT-d2m010-ReachabilityCardinality-05
FORMULA_NAME RingSingleMessageInMbox-PT-d2m010-ReachabilityCardinality-06
FORMULA_NAME RingSingleMessageInMbox-PT-d2m010-ReachabilityCardinality-07
FORMULA_NAME RingSingleMessageInMbox-PT-d2m010-ReachabilityCardinality-08
FORMULA_NAME RingSingleMessageInMbox-PT-d2m010-ReachabilityCardinality-09
FORMULA_NAME RingSingleMessageInMbox-PT-d2m010-ReachabilityCardinality-10
FORMULA_NAME RingSingleMessageInMbox-PT-d2m010-ReachabilityCardinality-11
FORMULA_NAME RingSingleMessageInMbox-PT-d2m010-ReachabilityCardinality-12
FORMULA_NAME RingSingleMessageInMbox-PT-d2m010-ReachabilityCardinality-13
FORMULA_NAME RingSingleMessageInMbox-PT-d2m010-ReachabilityCardinality-14
FORMULA_NAME RingSingleMessageInMbox-PT-d2m010-ReachabilityCardinality-15

=== Now, execution of the tool begins

BK_START 1679068244013

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=lolaxred
BK_EXAMINATION=ReachabilityCardinality
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=RingSingleMessageInMbox-PT-d2m010
Applying reductions before tool lola
Invoking reducer
Running Version 202303021504
[2023-03-17 15:50:45] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, ReachabilityCardinality, -timeout, 360, -rebuildPNML]
[2023-03-17 15:50:45] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2023-03-17 15:50:48] [INFO ] Load time of PNML (sax parser for PT used): 3077 ms
[2023-03-17 15:50:52] [INFO ] Transformed 66950 places.
[2023-03-17 15:50:52] [INFO ] Transformed 213625 transitions.
[2023-03-17 15:50:54] [INFO ] Parsed PT model containing 66950 places and 213625 transitions and 854500 arcs in 8512 ms.
Parsed 16 properties from file /home/mcc/execution/ReachabilityCardinality.xml in 180 ms.
Working with output stream class java.io.PrintStream
Deduced a syphon composed of 36863 places in 338 ms
Reduce places removed 36863 places and 0 transitions.
FORMULA RingSingleMessageInMbox-PT-d2m010-ReachabilityCardinality-03 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA RingSingleMessageInMbox-PT-d2m010-ReachabilityCardinality-04 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA RingSingleMessageInMbox-PT-d2m010-ReachabilityCardinality-05 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA RingSingleMessageInMbox-PT-d2m010-ReachabilityCardinality-06 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA RingSingleMessageInMbox-PT-d2m010-ReachabilityCardinality-07 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA RingSingleMessageInMbox-PT-d2m010-ReachabilityCardinality-09 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA RingSingleMessageInMbox-PT-d2m010-ReachabilityCardinality-15 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Incomplete random walk after 10000 steps, including 1412 resets, run finished after 29249 ms. (steps per millisecond=0 ) properties (out of 9) seen :0
Incomplete Best-First random walk after 10001 steps, including 9 resets, run finished after 203 ms. (steps per millisecond=49 ) properties (out of 9) seen :0
Incomplete Best-First random walk after 10001 steps, including 5 resets, run finished after 171 ms. (steps per millisecond=58 ) properties (out of 9) seen :0
Incomplete Best-First random walk after 10000 steps, including 24 resets, run finished after 368 ms. (steps per millisecond=27 ) properties (out of 9) seen :0
Incomplete Best-First random walk after 10001 steps, including 9 resets, run finished after 186 ms. (steps per millisecond=53 ) properties (out of 9) seen :0
Incomplete Best-First random walk after 10001 steps, including 5 resets, run finished after 134 ms. (steps per millisecond=74 ) properties (out of 9) seen :0
Incomplete Best-First random walk after 10001 steps, including 3 resets, run finished after 114 ms. (steps per millisecond=87 ) properties (out of 9) seen :0
Incomplete Best-First random walk after 10001 steps, including 13 resets, run finished after 264 ms. (steps per millisecond=37 ) properties (out of 9) seen :0
Incomplete Best-First random walk after 10001 steps, including 16 resets, run finished after 244 ms. (steps per millisecond=40 ) properties (out of 9) seen :0
Incomplete Best-First random walk after 10001 steps, including 14 resets, run finished after 263 ms. (steps per millisecond=38 ) properties (out of 9) seen :0
Interrupted probabilistic random walk after 55092 steps, run timeout after 93003 ms. (steps per millisecond=0 ) properties seen :{}
Probabilistic random walk after 55092 steps, saw 34413 distinct states, run finished after 93007 ms. (steps per millisecond=0 ) properties seen :0
Running SMT prover for 9 properties.
// Phase 1: matrix 213625 rows 30087 cols
[2023-03-17 15:55:00] [WARNING] Invariant computation timed out after 120 seconds.
[2023-03-17 15:55:07] [INFO ] After 7128ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:9
java.lang.RuntimeException: SMT solver raised an error when submitting script. Raised (error "Error writing to Z3 solver: java.io.IOException: Broken pipe")...
at fr.lip6.move.gal.structural.smt.SMTUtils.execAndCheckResult(SMTUtils.java:251)
at fr.lip6.move.gal.structural.smt.DeadlockTester.verifyPossible(DeadlockTester.java:629)
at fr.lip6.move.gal.structural.smt.DeadlockTester.testUnreachableWithSMTIncremental(DeadlockTester.java:350)
at fr.lip6.move.gal.structural.smt.DeadlockTester.testUnreachableWithSMT(DeadlockTester.java:223)
at fr.lip6.move.gal.application.solver.ReachabilitySolver.applyReductions(ReachabilitySolver.java:95)
at fr.lip6.move.gal.application.Application.startNoEx(Application.java:902)
at fr.lip6.move.gal.application.Application.start(Application.java:178)
at fr.lip6.move.gal.itscl.application.Application.start(Application.java:45)
at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:203)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:136)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:104)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:402)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:255)
at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:77)
at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.base/java.lang.reflect.Method.invoke(Method.java:568)
at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:659)
at org.eclipse.equinox.launcher.Main.basicRun(Main.java:596)
at org.eclipse.equinox.launcher.Main.run(Main.java:1467)
at org.eclipse.equinox.launcher.Main.main(Main.java:1440)
[2023-03-17 15:55:32] [WARNING] SMT solver failed with error :SMT solver raised an error when submitting script.... while checking expressions.
[2023-03-17 15:55:32] [INFO ] After 25044ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :0 real:9
Fused 9 Parikh solutions to 1 different solutions.
Parikh walk visited 0 properties in 1 ms.
Support contains 27 out of 30087 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 30087/30087 places, 213625/213625 transitions.
Graph (complete) has 273427 edges and 30087 vertex of which 30026 are kept as prefixes of interest. Removing 61 places using SCC suffix rule.189 ms
Discarding 61 places :
Also discarding 0 output transitions
Drop transitions removed 56 transitions
Ensure Unique test removed 300 transitions
Reduce isomorphic transitions removed 356 transitions.
Iterating post reduction 0 with 356 rules applied. Total rules applied 357 place count 30026 transition count 213269
Discarding 308 places :
Symmetric choice reduction at 1 with 308 rule applications. Total rules 665 place count 29718 transition count 44625
Iterating global reduction 1 with 308 rules applied. Total rules applied 973 place count 29718 transition count 44625
Free-agglomeration rule (complex) applied 5 times.
Iterating global reduction 1 with 5 rules applied. Total rules applied 978 place count 29718 transition count 44620
Reduce places removed 5 places and 0 transitions.
Iterating post reduction 1 with 5 rules applied. Total rules applied 983 place count 29713 transition count 44620
Applied a total of 983 rules in 5508 ms. Remains 29713 /30087 variables (removed 374) and now considering 44620/213625 (removed 169005) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 5514 ms. Remains : 29713/30087 places, 44620/213625 transitions.
Incomplete random walk after 10000 steps, including 1501 resets, run finished after 3599 ms. (steps per millisecond=2 ) properties (out of 9) seen :1
FORMULA RingSingleMessageInMbox-PT-d2m010-ReachabilityCardinality-08 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
Incomplete Best-First random walk after 10001 steps, including 7 resets, run finished after 25 ms. (steps per millisecond=400 ) properties (out of 8) seen :0
Incomplete Best-First random walk after 10001 steps, including 10 resets, run finished after 33 ms. (steps per millisecond=303 ) properties (out of 8) seen :0
Incomplete Best-First random walk after 10001 steps, including 10 resets, run finished after 27 ms. (steps per millisecond=370 ) properties (out of 8) seen :0
Incomplete Best-First random walk after 10001 steps, including 11 resets, run finished after 33 ms. (steps per millisecond=303 ) properties (out of 8) seen :0
Incomplete Best-First random walk after 10001 steps, including 12 resets, run finished after 29 ms. (steps per millisecond=344 ) properties (out of 8) seen :0
Incomplete Best-First random walk after 10001 steps, including 5 resets, run finished after 22 ms. (steps per millisecond=454 ) properties (out of 8) seen :0
Incomplete Best-First random walk after 10001 steps, including 7 resets, run finished after 28 ms. (steps per millisecond=357 ) properties (out of 8) seen :0
Incomplete Best-First random walk after 10001 steps, including 11 resets, run finished after 29 ms. (steps per millisecond=344 ) properties (out of 8) seen :0
Running SMT prover for 8 properties.
// Phase 1: matrix 44620 rows 29713 cols
[2023-03-17 15:55:56] [INFO ] Computed 4 place invariants in 13975 ms
[2023-03-17 15:56:04] [INFO ] After 7886ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:8
[2023-03-17 15:56:10] [INFO ] [Nat]Absence check using 0 positive and 4 generalized place invariants in 318 ms returned sat
[2023-03-17 15:56:29] [INFO ] After 15805ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :4
Total runtime 1261895 ms.
Its-tools:
An error has occurred. See the log file
/home/mcc/BenchKit/itstools/itstools/configuration/1679068244612.log.
starting LoLA
BK_INPUT RingSingleMessageInMbox-PT-d2m010
BK_EXAMINATION: ReachabilityCardinality
bin directory: /home/mcc/BenchKit/bin//../reducer/bin//../../lola/bin/
current directory: /home/mcc/execution
ReachabilityCardinality
TIME LIMIT: Killed by timeout after 3600 seconds
MemTotal: 16393232 kB
MemFree: 12182472 kB
After kill :
MemTotal: 16393232 kB
MemFree: 15932764 kB

BK_TIME_CONFINEMENT_REACHED

--------------------
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 ReachabilityCardinality -timeout 360 -rebuildPNML
lola: MEM LIMIT 32
lola: MEM LIMIT 5
lola: NET
lola: input: PNML file (--pnmlnet)
lola: reading net from /home/mcc/execution/model.pnml
lola: reading pnml
lola: PNML file contains place/transition net
lola: finished parsing
lola: closed net file /home/mcc/execution/model.pnml
lola: Reading formula.
lola: Using XML format (--xmlformula)
lola: reading XML formula
lola: reading formula from /home/mcc/execution/ReachabilityCardinality.xml
lola: rewrite Frontend/Parser/formula_rewrite.k:98
lola: rewrite Frontend/Parser/formula_rewrite.k:159
lola: rewrite Frontend/Parser/formula_rewrite.k:150
lola: rewrite Frontend/Parser/formula_rewrite.k:98
lola: rewrite Frontend/Parser/formula_rewrite.k:159
lola: rewrite Frontend/Parser/formula_rewrite.k:150
lola: rewrite Frontend/Parser/formula_rewrite.k:98
lola: rewrite Frontend/Parser/formula_rewrite.k:159
lola: rewrite Frontend/Parser/formula_rewrite.k:150
lola: rewrite Frontend/Parser/formula_rewrite.k:98
lola: rewrite Frontend/Parser/formula_rewrite.k:159
lola: rewrite Frontend/Parser/formula_rewrite.k:150
lola: rewrite Frontend/Parser/formula_rewrite.k:96
lola: rewrite Frontend/Parser/formula_rewrite.k:156
lola: rewrite Frontend/Parser/formula_rewrite.k:147
lola: rewrite Frontend/Parser/formula_rewrite.k:98
lola: rewrite Frontend/Parser/formula_rewrite.k:159
lola: rewrite Frontend/Parser/formula_rewrite.k:150
lola: caught signal Terminated - aborting LoLA

FINAL RESULTS
FINISHED FORMULA: CATEGORY VALUE PRODUCED BY
RingSingleMessageInMbox-PT-d2m010-ReachabilityCardinality-00: EF unknown AGGR
RingSingleMessageInMbox-PT-d2m010-ReachabilityCardinality-01: EF unknown AGGR
RingSingleMessageInMbox-PT-d2m010-ReachabilityCardinality-02: EF unknown AGGR
RingSingleMessageInMbox-PT-d2m010-ReachabilityCardinality-03: INITIAL unknown AGGR
RingSingleMessageInMbox-PT-d2m010-ReachabilityCardinality-04: INITIAL unknown AGGR
RingSingleMessageInMbox-PT-d2m010-ReachabilityCardinality-05: INITIAL unknown AGGR
RingSingleMessageInMbox-PT-d2m010-ReachabilityCardinality-06: INITIAL unknown AGGR
RingSingleMessageInMbox-PT-d2m010-ReachabilityCardinality-07: INITIAL unknown AGGR
RingSingleMessageInMbox-PT-d2m010-ReachabilityCardinality-08: AG unknown AGGR
RingSingleMessageInMbox-PT-d2m010-ReachabilityCardinality-09: INITIAL unknown AGGR
RingSingleMessageInMbox-PT-d2m010-ReachabilityCardinality-10: EF unknown AGGR
RingSingleMessageInMbox-PT-d2m010-ReachabilityCardinality-11: EF unknown AGGR


Time elapsed: 2310 secs. Pages in use: 0

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="RingSingleMessageInMbox-PT-d2m010"
export BK_EXAMINATION="ReachabilityCardinality"
export BK_TOOL="lolaxred"
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 lolaxred"
echo " Input is RingSingleMessageInMbox-PT-d2m010, 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 r327-tall-167889200200894"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/RingSingleMessageInMbox-PT-d2m010.tgz
mv RingSingleMessageInMbox-PT-d2m010 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 ;