About the Execution of ITS-Tools for NoC3x3-PT-8A
| Execution Summary | |||||
| Max Memory Used (MB) |
Time wait (ms) | CPU Usage (ms) | I/O Wait (ms) | Computed Result | Execution Status |
| 297.344 | 14649.00 | 27222.00 | 197.50 | FFFTFTFFTFTTFFTT | normal |
Execution Chart
We display below the execution chart for this examination (boot time has been removed).
Trace from the execution
Formatting '/data/fkordon/mcc2022-input.r150-smll-165276998600227.qcow2', fmt=qcow2 size=4294967296 backing_file=/data/fkordon/mcc2022-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 2-4028
Executing tool itstools
Input is NoC3x3-PT-8A, examination is LTLCardinality
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r150-smll-165276998600227
=====================================================================
--------------------
preparation of the directory to be used:
/home/mcc/execution
total 980K
-rw-r--r-- 1 mcc users 6.8K Apr 29 13:15 CTLCardinality.txt
-rw-r--r-- 1 mcc users 75K Apr 29 13:15 CTLCardinality.xml
-rw-r--r-- 1 mcc users 5.3K Apr 29 13:08 CTLFireability.txt
-rw-r--r-- 1 mcc users 47K Apr 29 13:08 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K May 10 09:34 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 6.1K May 10 09:34 GenericPropertiesVerdict.xml
-rw-r--r-- 1 mcc users 3.7K May 9 08:22 LTLCardinality.txt
-rw-r--r-- 1 mcc users 27K May 9 08:22 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.2K May 9 08:22 LTLFireability.txt
-rw-r--r-- 1 mcc users 18K May 9 08:22 LTLFireability.xml
-rw-r--r-- 1 mcc users 1.5K May 9 08:22 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.6K May 9 08:22 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 May 10 09:34 equiv_col
-rw-r--r-- 1 mcc users 3 May 10 09:34 instance
-rw-r--r-- 1 mcc users 6 May 10 09:34 iscolored
-rw-r--r-- 1 mcc users 745K May 10 09:34 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 NoC3x3-PT-8A-LTLCardinality-00
FORMULA_NAME NoC3x3-PT-8A-LTLCardinality-01
FORMULA_NAME NoC3x3-PT-8A-LTLCardinality-02
FORMULA_NAME NoC3x3-PT-8A-LTLCardinality-03
FORMULA_NAME NoC3x3-PT-8A-LTLCardinality-04
FORMULA_NAME NoC3x3-PT-8A-LTLCardinality-05
FORMULA_NAME NoC3x3-PT-8A-LTLCardinality-06
FORMULA_NAME NoC3x3-PT-8A-LTLCardinality-07
FORMULA_NAME NoC3x3-PT-8A-LTLCardinality-08
FORMULA_NAME NoC3x3-PT-8A-LTLCardinality-09
FORMULA_NAME NoC3x3-PT-8A-LTLCardinality-10
FORMULA_NAME NoC3x3-PT-8A-LTLCardinality-11
FORMULA_NAME NoC3x3-PT-8A-LTLCardinality-12
FORMULA_NAME NoC3x3-PT-8A-LTLCardinality-13
FORMULA_NAME NoC3x3-PT-8A-LTLCardinality-14
FORMULA_NAME NoC3x3-PT-8A-LTLCardinality-15
=== Now, execution of the tool begins
BK_START 1653040705565
Running Version 202205111006
[2022-05-20 09:58:27] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, LTLCardinality, -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]
[2022-05-20 09:58:28] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2022-05-20 09:58:28] [INFO ] Load time of PNML (sax parser for PT used): 461 ms
[2022-05-20 09:58:28] [INFO ] Transformed 317 places.
[2022-05-20 09:58:28] [INFO ] Transformed 4293 transitions.
[2022-05-20 09:58:28] [INFO ] Found NUPN structural information;
[2022-05-20 09:58:28] [INFO ] Parsed PT model containing 317 places and 4293 transitions in 735 ms.
Parsed 16 properties from file /home/mcc/execution/LTLCardinality.xml in 93 ms.
Working with output stream class java.io.PrintStream
Initial state reduction rules removed 5 formulas.
Ensure Unique test removed 3607 transitions
Reduce redundant transitions removed 3607 transitions.
Initial state reduction rules removed 1 formulas.
FORMULA NoC3x3-PT-8A-LTLCardinality-00 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA NoC3x3-PT-8A-LTLCardinality-01 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA NoC3x3-PT-8A-LTLCardinality-05 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA NoC3x3-PT-8A-LTLCardinality-06 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA NoC3x3-PT-8A-LTLCardinality-09 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA NoC3x3-PT-8A-LTLCardinality-11 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA NoC3x3-PT-8A-LTLCardinality-14 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA NoC3x3-PT-8A-LTLCardinality-15 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Initial state reduction rules removed 1 formulas.
FORMULA NoC3x3-PT-8A-LTLCardinality-02 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA NoC3x3-PT-8A-LTLCardinality-03 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA NoC3x3-PT-8A-LTLCardinality-04 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA NoC3x3-PT-8A-LTLCardinality-13 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Support contains 15 out of 317 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 317/317 places, 686/686 transitions.
Discarding 54 places :
Symmetric choice reduction at 0 with 54 rule applications. Total rules 54 place count 263 transition count 570
Iterating global reduction 0 with 54 rules applied. Total rules applied 108 place count 263 transition count 570
Drop transitions removed 58 transitions
Redundant transition composition rules discarded 58 transitions
Iterating global reduction 0 with 58 rules applied. Total rules applied 166 place count 263 transition count 512
Reduce places removed 8 places and 0 transitions.
Iterating post reduction 0 with 8 rules applied. Total rules applied 174 place count 255 transition count 512
Applied a total of 174 rules in 116 ms. Remains 255 /317 variables (removed 62) and now considering 512/686 (removed 174) transitions.
// Phase 1: matrix 512 rows 255 cols
[2022-05-20 09:58:29] [INFO ] Computed 58 place invariants in 23 ms
[2022-05-20 09:58:29] [INFO ] Implicit Places using invariants in 672 ms returned []
// Phase 1: matrix 512 rows 255 cols
[2022-05-20 09:58:29] [INFO ] Computed 58 place invariants in 6 ms
[2022-05-20 09:58:30] [INFO ] Implicit Places using invariants and state equation in 707 ms returned []
Implicit Place search using SMT with State Equation took 1439 ms to find 0 implicit places.
// Phase 1: matrix 512 rows 255 cols
[2022-05-20 09:58:30] [INFO ] Computed 58 place invariants in 5 ms
[2022-05-20 09:58:31] [INFO ] Dead Transitions using invariants and state equation in 538 ms found 0 transitions.
Starting structural reductions in LTL mode, iteration 1 : 255/317 places, 512/686 transitions.
Finished structural reductions, in 1 iterations. Remains : 255/317 places, 512/686 transitions.
Support contains 15 out of 255 places after structural reductions.
[2022-05-20 09:58:31] [INFO ] Flatten gal took : 151 ms
[2022-05-20 09:58:31] [INFO ] Flatten gal took : 85 ms
[2022-05-20 09:58:32] [INFO ] Input system was already deterministic with 512 transitions.
Incomplete random walk after 10000 steps, including 2 resets, run finished after 407 ms. (steps per millisecond=24 ) properties (out of 8) seen :7
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 24 ms. (steps per millisecond=416 ) properties (out of 1) seen :0
Running SMT prover for 1 properties.
// Phase 1: matrix 512 rows 255 cols
[2022-05-20 09:58:32] [INFO ] Computed 58 place invariants in 4 ms
[2022-05-20 09:58:32] [INFO ] After 100ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
[2022-05-20 09:58:32] [INFO ] [Nat]Absence check using 58 positive place invariants in 18 ms returned sat
[2022-05-20 09:58:32] [INFO ] After 106ms SMT Verify possible using all constraints in natural domain returned unsat :1 sat :0
Fused 1 Parikh solutions to 0 different solutions.
Parikh walk visited 0 properties in 0 ms.
FORMULA NoC3x3-PT-8A-LTLCardinality-12 FALSE TECHNIQUES REACHABILITY_KNOWLEDGE
Successfully simplified 1 atomic propositions for a total of 3 simplifications.
FORMULA NoC3x3-PT-8A-LTLCardinality-10 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Computed a total of 2 stabilizing places and 1 stable transitions
Graph (complete) has 1123 edges and 255 vertex of which 254 are kept as prefixes of interest. Removing 1 places using SCC suffix rule.12 ms
Running Spot : cd /home/mcc/execution;'/home/mcc/BenchKit/bin//..//ltl2tgba' '--check=stutter' '--hoaf=tv' '-f' '!(X(F((X(p1)&&p0))))'
Support contains 4 out of 255 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 255/255 places, 512/512 transitions.
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 0 with 1 rules applied. Total rules applied 1 place count 254 transition count 512
Discarding 2 places :
Symmetric choice reduction at 1 with 2 rule applications. Total rules 3 place count 252 transition count 510
Iterating global reduction 1 with 2 rules applied. Total rules applied 5 place count 252 transition count 510
Applied a total of 5 rules in 16 ms. Remains 252 /255 variables (removed 3) and now considering 510/512 (removed 2) transitions.
// Phase 1: matrix 510 rows 252 cols
[2022-05-20 09:58:32] [INFO ] Computed 57 place invariants in 4 ms
[2022-05-20 09:58:33] [INFO ] Implicit Places using invariants in 223 ms returned []
// Phase 1: matrix 510 rows 252 cols
[2022-05-20 09:58:33] [INFO ] Computed 57 place invariants in 5 ms
[2022-05-20 09:58:33] [INFO ] Implicit Places using invariants and state equation in 421 ms returned []
Implicit Place search using SMT with State Equation took 648 ms to find 0 implicit places.
// Phase 1: matrix 510 rows 252 cols
[2022-05-20 09:58:33] [INFO ] Computed 57 place invariants in 7 ms
[2022-05-20 09:58:33] [INFO ] Dead Transitions using invariants and state equation in 399 ms found 0 transitions.
Starting structural reductions in LTL mode, iteration 1 : 252/255 places, 510/512 transitions.
Finished structural reductions, in 1 iterations. Remains : 252/255 places, 510/512 transitions.
Stuttering acceptance computed with spot in 542 ms :[(NOT p1), (OR (NOT p0) (NOT p1)), (OR (NOT p0) (NOT p1))]
Running random walk in product with property : NoC3x3-PT-8A-LTLCardinality-07 automaton TGBA Formula[mat=[[{ cond=(AND p0 (NOT p1)), acceptance={0} source=0 dest: 0}, { cond=(AND (NOT p0) (NOT p1)), acceptance={0} source=0 dest: 2}], [{ cond=true, acceptance={} source=1 dest: 2}], [{ cond=p0, acceptance={0} source=2 dest: 0}, { cond=(NOT p0), acceptance={0} source=2 dest: 2}]], initial=1, aps=[p0:(AND (NEQ s51 0) (NEQ s215 1)), p1:(AND (NEQ s10 0) (NEQ s244 1))], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, deterministic, no-univ-branch, unambiguous, semi-deterministic, stutter-sensitive, weak, inherently-weak], stateDesc=[null, null, null][false, false, false]]
Product exploration explored 100000 steps with 8 reset in 782 ms.
Stack based approach found an accepted trace after 8 steps with 0 reset with depth 9 and stack size 9 in 1 ms.
FORMULA NoC3x3-PT-8A-LTLCardinality-07 FALSE TECHNIQUES STACK_TEST
Treatment of property NoC3x3-PT-8A-LTLCardinality-07 finished in 2468 ms.
Running Spot : cd /home/mcc/execution;'/home/mcc/BenchKit/bin//..//ltl2tgba' '--check=stutter' '--hoaf=tv' '-f' '!(F((G((F(p0)||p1))||X((G(F(p3))||p2)))))'
Support contains 8 out of 255 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 255/255 places, 512/512 transitions.
Applied a total of 0 rules in 6 ms. Remains 255 /255 variables (removed 0) and now considering 512/512 (removed 0) transitions.
// Phase 1: matrix 512 rows 255 cols
[2022-05-20 09:58:35] [INFO ] Computed 58 place invariants in 8 ms
[2022-05-20 09:58:35] [INFO ] Implicit Places using invariants in 169 ms returned []
// Phase 1: matrix 512 rows 255 cols
[2022-05-20 09:58:35] [INFO ] Computed 58 place invariants in 3 ms
[2022-05-20 09:58:35] [INFO ] Implicit Places using invariants and state equation in 455 ms returned []
Implicit Place search using SMT with State Equation took 628 ms to find 0 implicit places.
// Phase 1: matrix 512 rows 255 cols
[2022-05-20 09:58:35] [INFO ] Computed 58 place invariants in 3 ms
[2022-05-20 09:58:36] [INFO ] Dead Transitions using invariants and state equation in 615 ms found 0 transitions.
Finished structural reductions, in 1 iterations. Remains : 255/255 places, 512/512 transitions.
Stuttering acceptance computed with spot in 187 ms :[(AND (NOT p2) (NOT p1) (NOT p0) (NOT p3)), (AND (NOT p2) (NOT p1) (NOT p0) (NOT p3)), (AND (NOT p2) (NOT p1) (NOT p0) (NOT p3))]
Running random walk in product with property : NoC3x3-PT-8A-LTLCardinality-08 automaton TGBA Formula[mat=[[{ cond=true, acceptance={} source=0 dest: 1}], [{ cond=(NOT p2), acceptance={} source=1 dest: 1}, { cond=(AND (NOT p1) (NOT p2) (NOT p0) (NOT p3)), acceptance={} source=1 dest: 2}], [{ cond=(AND p1 (NOT p2) (NOT p0) (NOT p3)), acceptance={} source=2 dest: 2}, { cond=(AND (NOT p1) (NOT p2) (NOT p0) (NOT p3)), acceptance={0} source=2 dest: 2}]], initial=0, aps=[p2:(OR (EQ s22 0) (EQ s181 1)), p1:(AND (EQ s35 0) (EQ s7 1)), p0:(AND (EQ s137 0) (EQ s51 1)), p3:(OR (EQ s129 0) (EQ s170 1))], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, no-univ-branch, stutter-sensitive], stateDesc=[null, null, null][false, false, false]]
Product exploration explored 100000 steps with 50000 reset in 1704 ms.
Product exploration explored 100000 steps with 50000 reset in 1441 ms.
Computed a total of 2 stabilizing places and 1 stable transitions
Graph (complete) has 1123 edges and 255 vertex of which 254 are kept as prefixes of interest. Removing 1 places using SCC suffix rule.5 ms
Computed a total of 2 stabilizing places and 1 stable transitions
Knowledge obtained : [(AND p2 (NOT p1) (NOT p0) p3), (X (NOT (AND (NOT p1) (NOT p2) (NOT p0) (NOT p3)))), (X p2), (X (X (NOT (AND (NOT p1) (NOT p2) (NOT p0) (NOT p3))))), (X (X (NOT (AND p1 (NOT p2) (NOT p0) (NOT p3))))), (X (X p2))]
False Knowledge obtained : []
Property proved to be true thanks to knowledge :(X p2)
Knowledge based reduction with 6 factoid took 164 ms. Reduced automaton from 3 states, 5 edges and 4 AP to 1 states, 0 edges and 0 AP.
FORMULA NoC3x3-PT-8A-LTLCardinality-08 TRUE TECHNIQUES KNOWLEDGE
Treatment of property NoC3x3-PT-8A-LTLCardinality-08 finished in 4812 ms.
All properties solved by simple procedures.
Total runtime 12101 ms.
BK_STOP 1653040720214
--------------------
content from stderr:
+ export LANG=C
+ LANG=C
+ export BINDIR=/home/mcc/BenchKit/bin//../
+ BINDIR=/home/mcc/BenchKit/bin//../
++ pwd
+ export MODEL=/home/mcc/execution
+ MODEL=/home/mcc/execution
+ [[ LTLCardinality = StateSpace ]]
+ /home/mcc/BenchKit/bin//..//runeclipse.sh /home/mcc/execution LTLCardinality -its -ltsmin -greatspnpath /home/mcc/BenchKit/bin//..//greatspn/ -order META -manyOrder -smt -timeout 3600
+ ulimit -s 65536
+ export PYTHONPATH=/usr/lib/python3.9/site-packages/
+ PYTHONPATH=/usr/lib/python3.9/site-packages/
+ export LD_LIBRARY_PATH=/usr/local/lib:
+ LD_LIBRARY_PATH=/usr/local/lib:
+ [[ -z '' ]]
+ export LTSMIN_MEM_SIZE=8589934592
+ LTSMIN_MEM_SIZE=8589934592
++ sed s/.jar//
++ perl -pe 's/.*\.//g'
++ ls /home/mcc/BenchKit/bin//..//itstools/plugins/fr.lip6.move.gal.application.pnmcc_1.0.0.202205111006.jar
+ VERSION=202205111006
+ echo 'Running Version 202205111006'
+ /home/mcc/BenchKit/bin//..//itstools/its-tools -data @none -pnfolder /home/mcc/execution -examination LTLCardinality -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=@none -Xss128m -Xms40m -Xmx8192m
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="NoC3x3-PT-8A"
export BK_EXAMINATION="LTLCardinality"
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 NoC3x3-PT-8A, examination is LTLCardinality"
echo " Time confinement is $BK_TIME_CONFINEMENT seconds"
echo " Memory confinement is 16384 MBytes"
echo " Number of cores is 4"
echo " Run identifier is r150-smll-165276998600227"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"
tar xzf /home/mcc/BenchKit/INPUTS/NoC3x3-PT-8A.tgz
mv NoC3x3-PT-8A execution
cd execution
if [ "LTLCardinality" = "ReachabilityDeadlock" ] || [ "LTLCardinality" = "UpperBounds" ] || [ "LTLCardinality" = "QuasiLiveness" ] || [ "LTLCardinality" = "StableMarking" ] || [ "LTLCardinality" = "Liveness" ] || [ "LTLCardinality" = "OneSafe" ] || [ "LTLCardinality" = "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 [ "LTLCardinality" = "UpperBounds" ] ; then
echo "The expected result is a vector of positive values"
echo NUM_VECTOR
elif [ "LTLCardinality" != "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 "LTLCardinality.txt" ] ; then
echo "here is the order used to build the result vector(from text file)"
for x in $(grep Property LTLCardinality.txt | cut -d ' ' -f 2 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ -f "LTLCardinality.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 [ "LTLCardinality" = "ReachabilityDeadlock" ] || [ "LTLCardinality" = "QuasiLiveness" ] || [ "LTLCardinality" = "StableMarking" ] || [ "LTLCardinality" = "Liveness" ] || [ "LTLCardinality" = "OneSafe" ] ; then
echo "FORMULA_NAME LTLCardinality"
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 ;