About the Execution of ITS-Tools for ShieldIIPs-PT-040B
| Execution Summary | |||||
| Max Memory Used (MB) |
Time wait (ms) | CPU Usage (ms) | I/O Wait (ms) | Computed Result | Execution Status |
| 956.247 | 29232.00 | 42496.00 | 852.20 | 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 | normal |
Execution Chart
We display below the execution chart for this examination (boot time has been removed).
Trace from the execution
Formatting '/data/fkordon/mcc2021-input.r216-tall-162098204900299.qcow2', fmt=qcow2 size=4294967296 backing_file='/data/fkordon/mcc2021-input.qcow2' encryption=off cluster_size=65536 lazy_refcounts=off
Waiting for the VM to be ready (probing ssh)
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=====================================================================
Generated by BenchKit 2-4028
Executing tool itstools
Input is ShieldIIPs-PT-040B, examination is UpperBounds
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r216-tall-162098204900299
=====================================================================
--------------------
preparation of the directory to be used:
/home/mcc/execution
total 1004K
-rw-r--r-- 1 mcc users 12K May 5 16:58 CTLCardinality.txt
-rw-r--r-- 1 mcc users 105K May 10 09:44 CTLCardinality.xml
-rw-r--r-- 1 mcc users 8.9K May 5 16:58 CTLFireability.txt
-rw-r--r-- 1 mcc users 76K May 10 09:44 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K May 6 14:48 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 3.3K Mar 28 16:36 LTLCardinality.txt
-rw-r--r-- 1 mcc users 24K Mar 28 16:36 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.1K Mar 28 16:36 LTLFireability.txt
-rw-r--r-- 1 mcc users 18K Mar 28 16:36 LTLFireability.xml
-rw-r--r-- 1 mcc users 3.3K Mar 27 11:55 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 16K Mar 27 11:55 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 2.7K Mar 25 17:44 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 16K Mar 25 17:44 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.7K Mar 22 08:16 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.7K Mar 22 08:16 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 May 5 16:52 equiv_col
-rw-r--r-- 1 mcc users 5 May 5 16:52 instance
-rw-r--r-- 1 mcc users 6 May 5 16:52 iscolored
-rw-r--r-- 1 mcc users 675K May 5 16:52 model.pnml
--------------------
content from stdout:
=== Data for post analysis generated by BenchKit (invocation template)
The expected result is a vector of positive values
NUM_VECTOR
here is the order used to build the result vector(from text file)
FORMULA_NAME ShieldIIPs-PT-040B-UpperBounds-00
FORMULA_NAME ShieldIIPs-PT-040B-UpperBounds-01
FORMULA_NAME ShieldIIPs-PT-040B-UpperBounds-02
FORMULA_NAME ShieldIIPs-PT-040B-UpperBounds-03
FORMULA_NAME ShieldIIPs-PT-040B-UpperBounds-04
FORMULA_NAME ShieldIIPs-PT-040B-UpperBounds-05
FORMULA_NAME ShieldIIPs-PT-040B-UpperBounds-06
FORMULA_NAME ShieldIIPs-PT-040B-UpperBounds-07
FORMULA_NAME ShieldIIPs-PT-040B-UpperBounds-08
FORMULA_NAME ShieldIIPs-PT-040B-UpperBounds-09
FORMULA_NAME ShieldIIPs-PT-040B-UpperBounds-10
FORMULA_NAME ShieldIIPs-PT-040B-UpperBounds-11
FORMULA_NAME ShieldIIPs-PT-040B-UpperBounds-12
FORMULA_NAME ShieldIIPs-PT-040B-UpperBounds-13
FORMULA_NAME ShieldIIPs-PT-040B-UpperBounds-14
FORMULA_NAME ShieldIIPs-PT-040B-UpperBounds-15
=== Now, execution of the tool begins
BK_START 1621080857837
Running Version 0
[2021-05-15 12:14:19] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, UpperBounds, -spotpath, /home/mcc/BenchKit/bin//..//ltlfilt, -z3path, /home/mcc/BenchKit/bin//..//z3/bin/z3, -yices2path, /home/mcc/BenchKit/bin//..//yices/bin/yices, -its, -ltsmin, -greatspnpath, /home/mcc/BenchKit/bin//..//greatspn/, -order, META, -manyOrder, -smt, -timeout, 3600]
[2021-05-15 12:14:19] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2021-05-15 12:14:19] [INFO ] Load time of PNML (sax parser for PT used): 138 ms
[2021-05-15 12:14:19] [INFO ] Transformed 2403 places.
[2021-05-15 12:14:19] [INFO ] Transformed 2363 transitions.
[2021-05-15 12:14:19] [INFO ] Found NUPN structural information;
[2021-05-15 12:14:19] [INFO ] Parsed PT model containing 2403 places and 2363 transitions in 269 ms.
Parsed 16 properties from file /home/mcc/execution/UpperBounds.xml in 7 ms.
// Phase 1: matrix 2363 rows 2403 cols
[2021-05-15 12:14:19] [INFO ] Computed 361 place invariants in 41 ms
Incomplete random walk after 10000 steps, including 2 resets, run finished after 153 ms. (steps per millisecond=65 ) properties (out of 16) seen :14
FORMULA ShieldIIPs-PT-040B-UpperBounds-15 1 TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA ShieldIIPs-PT-040B-UpperBounds-13 1 TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA ShieldIIPs-PT-040B-UpperBounds-12 1 TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA ShieldIIPs-PT-040B-UpperBounds-11 1 TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA ShieldIIPs-PT-040B-UpperBounds-10 1 TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA ShieldIIPs-PT-040B-UpperBounds-09 1 TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA ShieldIIPs-PT-040B-UpperBounds-08 1 TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA ShieldIIPs-PT-040B-UpperBounds-07 1 TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA ShieldIIPs-PT-040B-UpperBounds-06 1 TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA ShieldIIPs-PT-040B-UpperBounds-05 1 TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA ShieldIIPs-PT-040B-UpperBounds-04 1 TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA ShieldIIPs-PT-040B-UpperBounds-03 1 TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA ShieldIIPs-PT-040B-UpperBounds-01 1 TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA ShieldIIPs-PT-040B-UpperBounds-00 1 TECHNIQUES TOPOLOGICAL RANDOM_WALK
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 16 ms. (steps per millisecond=625 ) properties (out of 2) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 14 ms. (steps per millisecond=714 ) properties (out of 2) seen :0
// Phase 1: matrix 2363 rows 2403 cols
[2021-05-15 12:14:19] [INFO ] Computed 361 place invariants in 20 ms
[2021-05-15 12:14:20] [INFO ] [Real]Absence check using 361 positive place invariants in 157 ms returned sat
[2021-05-15 12:14:20] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2021-05-15 12:14:21] [INFO ] [Real]Absence check using state equation in 941 ms returned sat
[2021-05-15 12:14:22] [INFO ] Solution in real domain found non-integer solution.
[2021-05-15 12:14:22] [INFO ] [Nat]Absence check using 361 positive place invariants in 132 ms returned sat
[2021-05-15 12:14:22] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2021-05-15 12:14:23] [INFO ] [Nat]Absence check using state equation in 934 ms returned sat
[2021-05-15 12:14:24] [INFO ] Deduced a trap composed of 20 places in 670 ms of which 15 ms to minimize.
[2021-05-15 12:14:25] [INFO ] Deduced a trap composed of 20 places in 653 ms of which 2 ms to minimize.
[2021-05-15 12:14:26] [INFO ] Deduced a trap composed of 20 places in 666 ms of which 4 ms to minimize.
[2021-05-15 12:14:26] [INFO ] Deduced a trap composed of 16 places in 673 ms of which 13 ms to minimize.
[2021-05-15 12:14:27] [INFO ] Deduced a trap composed of 33 places in 623 ms of which 2 ms to minimize.
[2021-05-15 12:14:27] [WARNING] SMT solver failed with error :java.lang.RuntimeException: SMT solver raised an error when submitting script. Raised (error "Failed to assert expression: java.io.IOException: Stream close... while checking expression at index 0
java.lang.RuntimeException: SMT solver raised an error when submitting script. Raised (error "Failed to assert expression: java.io.IOException: Stream close...
at fr.lip6.move.gal.structural.smt.SMTUtils.execAndCheckResult(SMTUtils.java:240)
at fr.lip6.move.gal.structural.smt.DeadlockTester.refineWithTraps(DeadlockTester.java:906)
at fr.lip6.move.gal.structural.smt.DeadlockTester.verifyPossible(DeadlockTester.java:588)
at fr.lip6.move.gal.structural.smt.DeadlockTester.findStructuralMaxWithSMT(DeadlockTester.java:2244)
at fr.lip6.move.gal.application.UpperBoundsSolver.applyReductions(UpperBoundsSolver.java:187)
at fr.lip6.move.gal.application.Application.startNoEx(Application.java:428)
at fr.lip6.move.gal.application.Application.start(Application.java:140)
at fr.lip6.move.gal.itscl.application.Application.start(Application.java:43)
at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:203)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:134)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:104)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:401)
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:62)
at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.base/java.lang.reflect.Method.invoke(Method.java:566)
at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:653)
at org.eclipse.equinox.launcher.Main.basicRun(Main.java:590)
at org.eclipse.equinox.launcher.Main.run(Main.java:1461)
at org.eclipse.equinox.launcher.Main.main(Main.java:1434)
[2021-05-15 12:14:28] [INFO ] [Real]Absence check using 361 positive place invariants in 139 ms returned sat
[2021-05-15 12:14:28] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2021-05-15 12:14:29] [INFO ] [Real]Absence check using state equation in 993 ms returned sat
[2021-05-15 12:14:29] [INFO ] Solution in real domain found non-integer solution.
[2021-05-15 12:14:29] [INFO ] [Nat]Absence check using 361 positive place invariants in 130 ms returned sat
[2021-05-15 12:14:29] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2021-05-15 12:14:30] [INFO ] [Nat]Absence check using state equation in 908 ms returned sat
[2021-05-15 12:14:31] [INFO ] Deduced a trap composed of 21 places in 634 ms of which 11 ms to minimize.
[2021-05-15 12:14:32] [INFO ] Deduced a trap composed of 23 places in 767 ms of which 2 ms to minimize.
[2021-05-15 12:14:32] [INFO ] Deduced a trap composed of 20 places in 779 ms of which 1 ms to minimize.
[2021-05-15 12:14:33] [INFO ] Deduced a trap composed of 28 places in 757 ms of which 2 ms to minimize.
[2021-05-15 12:14:34] [INFO ] Deduced a trap composed of 22 places in 762 ms of which 2 ms to minimize.
[2021-05-15 12:14:34] [WARNING] SMT solver failed with error :java.lang.RuntimeException: SMT solver raised an error when submitting script. Raised (error "Failed to assert expression: java.io.IOException: Stream close... while checking expression at index 1
java.lang.RuntimeException: SMT solver raised an error when submitting script. Raised (error "Failed to assert expression: java.io.IOException: Stream close...
at fr.lip6.move.gal.structural.smt.SMTUtils.execAndCheckResult(SMTUtils.java:240)
at fr.lip6.move.gal.structural.smt.DeadlockTester.refineWithTraps(DeadlockTester.java:906)
at fr.lip6.move.gal.structural.smt.DeadlockTester.verifyPossible(DeadlockTester.java:588)
at fr.lip6.move.gal.structural.smt.DeadlockTester.findStructuralMaxWithSMT(DeadlockTester.java:2244)
at fr.lip6.move.gal.application.UpperBoundsSolver.applyReductions(UpperBoundsSolver.java:187)
at fr.lip6.move.gal.application.Application.startNoEx(Application.java:428)
at fr.lip6.move.gal.application.Application.start(Application.java:140)
at fr.lip6.move.gal.itscl.application.Application.start(Application.java:43)
at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:203)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:134)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:104)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:401)
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:62)
at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.base/java.lang.reflect.Method.invoke(Method.java:566)
at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:653)
at org.eclipse.equinox.launcher.Main.basicRun(Main.java:590)
at org.eclipse.equinox.launcher.Main.run(Main.java:1461)
at org.eclipse.equinox.launcher.Main.main(Main.java:1434)
Current structural bounds on expressions (after SMT) : [1, 1] Max seen :[0, 0]
Support contains 2 out of 2403 places. Attempting structural reductions.
Starting structural reductions, iteration 0 : 2403/2403 places, 2363/2363 transitions.
Drop transitions removed 201 transitions
Trivial Post-agglo rules discarded 201 transitions
Performed 201 trivial Post agglomeration. Transition count delta: 201
Iterating post reduction 0 with 201 rules applied. Total rules applied 201 place count 2403 transition count 2162
Reduce places removed 201 places and 0 transitions.
Iterating post reduction 1 with 201 rules applied. Total rules applied 402 place count 2202 transition count 2162
Performed 200 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 200 Pre rules applied. Total rules applied 402 place count 2202 transition count 1962
Deduced a syphon composed of 200 places in 7 ms
Reduce places removed 200 places and 0 transitions.
Iterating global reduction 2 with 400 rules applied. Total rules applied 802 place count 2002 transition count 1962
Discarding 280 places :
Symmetric choice reduction at 2 with 280 rule applications. Total rules 1082 place count 1722 transition count 1682
Iterating global reduction 2 with 280 rules applied. Total rules applied 1362 place count 1722 transition count 1682
Performed 120 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 120 Pre rules applied. Total rules applied 1362 place count 1722 transition count 1562
Deduced a syphon composed of 120 places in 14 ms
Reduce places removed 120 places and 0 transitions.
Iterating global reduction 2 with 240 rules applied. Total rules applied 1602 place count 1602 transition count 1562
Performed 599 Post agglomeration using F-continuation condition.Transition count delta: 599
Deduced a syphon composed of 599 places in 3 ms
Reduce places removed 599 places and 0 transitions.
Iterating global reduction 2 with 1198 rules applied. Total rules applied 2800 place count 1003 transition count 963
Renaming transitions due to excessive name length > 1024 char.
Partial Free-agglomeration rule applied 276 times.
Drop transitions removed 276 transitions
Iterating global reduction 2 with 276 rules applied. Total rules applied 3076 place count 1003 transition count 963
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 2 with 1 rules applied. Total rules applied 3077 place count 1002 transition count 962
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 2 with 1 rules applied. Total rules applied 3078 place count 1001 transition count 962
Applied a total of 3078 rules in 1279 ms. Remains 1001 /2403 variables (removed 1402) and now considering 962/2363 (removed 1401) transitions.
Finished structural reductions, in 1 iterations. Remains : 1001/2403 places, 962/2363 transitions.
// Phase 1: matrix 962 rows 1001 cols
[2021-05-15 12:14:36] [INFO ] Computed 360 place invariants in 39 ms
Incomplete random walk after 1000000 steps, including 176 resets, run finished after 9980 ms. (steps per millisecond=100 ) properties (out of 2) seen :2
FORMULA ShieldIIPs-PT-040B-UpperBounds-14 1 TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA ShieldIIPs-PT-040B-UpperBounds-02 1 TECHNIQUES TOPOLOGICAL RANDOM_WALK
All properties solved without resorting to model-checking.
BK_STOP 1621080887069
--------------------
content from stderr:
+ export BINDIR=/home/mcc/BenchKit/bin//../
+ BINDIR=/home/mcc/BenchKit/bin//../
++ pwd
+ export MODEL=/home/mcc/execution
+ MODEL=/home/mcc/execution
+ [[ UpperBounds = StateSpace ]]
+ /home/mcc/BenchKit/bin//..//runeclipse.sh /home/mcc/execution UpperBounds -its -ltsmin -greatspnpath /home/mcc/BenchKit/bin//..//greatspn/ -order META -manyOrder -smt -timeout 3600
+ ulimit -s 65536
+ [[ -z '' ]]
+ export LTSMIN_MEM_SIZE=8589934592
+ LTSMIN_MEM_SIZE=8589934592
++ cut -d . -f 9
++ ls /home/mcc/BenchKit/bin//..//itstools/plugins/fr.lip6.move.gal.application.pnmcc_1.0.0.202104292328.jar
+ VERSION=0
+ echo 'Running Version 0'
+ /home/mcc/BenchKit/bin//..//itstools/its-tools -data /home/mcc/execution/workspace -pnfolder /home/mcc/execution -examination UpperBounds -spotpath /home/mcc/BenchKit/bin//..//ltlfilt -z3path /home/mcc/BenchKit/bin//..//z3/bin/z3 -yices2path /home/mcc/BenchKit/bin//..//yices/bin/yices -its -ltsmin -greatspnpath /home/mcc/BenchKit/bin//..//greatspn/ -order META -manyOrder -smt -timeout 3600 -vmargs -Dosgi.locking=none -Declipse.stateSaveDelayInterval=-1 -Dosgi.configuration.area=/tmp/.eclipse -Xss128m -Xms40m -Xmx16000m
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="ShieldIIPs-PT-040B"
export BK_EXAMINATION="UpperBounds"
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 2-4028"
echo " Executing tool itstools"
echo " Input is ShieldIIPs-PT-040B, examination is UpperBounds"
echo " Time confinement is $BK_TIME_CONFINEMENT seconds"
echo " Memory confinement is 16384 MBytes"
echo " Number of cores is 4"
echo " Run identifier is r216-tall-162098204900299"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"
tar xzf /home/mcc/BenchKit/INPUTS/ShieldIIPs-PT-040B.tgz
mv ShieldIIPs-PT-040B execution
cd execution
if [ "UpperBounds" = "ReachabilityDeadlock" ] || [ "UpperBounds" = "UpperBounds" ] || [ "UpperBounds" = "QuasiLiveness" ] || [ "UpperBounds" = "StableMarking" ] || [ "UpperBounds" = "Liveness" ] || [ "UpperBounds" = "OneSafe" ] || [ "UpperBounds" = "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 [ "UpperBounds" = "UpperBounds" ] ; then
echo "The expected result is a vector of positive values"
echo NUM_VECTOR
elif [ "UpperBounds" != "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 "UpperBounds.txt" ] ; then
echo "here is the order used to build the result vector(from text file)"
for x in $(grep Property UpperBounds.txt | cut -d ' ' -f 2 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ -f "UpperBounds.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 [ "UpperBounds" = "ReachabilityDeadlock" ] || [ "UpperBounds" = "QuasiLiveness" ] || [ "UpperBounds" = "StableMarking" ] || [ "UpperBounds" = "Liveness" ] || [ "UpperBounds" = "OneSafe" ] ; then
echo "FORMULA_NAME UpperBounds"
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 ;