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.r319-tall-165472290400597.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)
.............................................................................
=====================================================================
Generated by BenchKit 2-4028
Executing tool itstools
Input is SieveSingleMsgMbox-PT-d2m18, examination is QuasiLiveness
Time confinement is 1800 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r319-tall-165472290400597
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 1.5M
-rw-r--r-- 1 mcc users 6.1K Jun 7 17:01 CTLCardinality.txt
-rw-r--r-- 1 mcc users 62K Jun 7 17:01 CTLCardinality.xml
-rw-r--r-- 1 mcc users 6.9K Jun 7 17:00 CTLFireability.txt
-rw-r--r-- 1 mcc users 68K Jun 7 17:00 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.1K Jun 6 15:32 LTLCardinality.txt
-rw-r--r-- 1 mcc users 29K Jun 6 15:32 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.4K Jun 6 15:32 LTLFireability.txt
-rw-r--r-- 1 mcc users 18K Jun 6 15:32 LTLFireability.xml
-rw-r--r-- 1 mcc users 1 Jun 6 12:11 NewModel
-rw-r--r-- 1 mcc users 7.6K Jun 7 17:03 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 71K Jun 7 17:03 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 5.4K Jun 7 17:02 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 38K Jun 7 17:02 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.8K Jun 6 15:32 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.8K Jun 6 15:32 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 Jun 6 12:11 equiv_col
-rw-r--r-- 1 mcc users 6 Jun 6 12:11 instance
-rw-r--r-- 1 mcc users 6 Jun 6 12:11 iscolored
-rw-r--r-- 1 mcc users 1.1M Jun 6 12:11 model.pnml

--------------------
content from stdout:

=== Data for post analysis generated by BenchKit (invocation template)

The expected result is a vector of booleans
BOOL_VECTOR

FORMULA_NAME QuasiLiveness

=== Now, execution of the tool begins

BK_START 1654731772009

Running Version 202205111006
[2022-06-08 23:42:53] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, QuasiLiveness, -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, 1800]
[2022-06-08 23:42:53] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2022-06-08 23:42:53] [INFO ] Load time of PNML (sax parser for PT used): 215 ms
[2022-06-08 23:42:53] [INFO ] Transformed 2398 places.
[2022-06-08 23:42:53] [INFO ] Transformed 1954 transitions.
[2022-06-08 23:42:53] [INFO ] Parsed PT model containing 2398 places and 1954 transitions in 335 ms.
Starting structural reductions in LIVENESS mode, iteration 0 : 2398/2398 places, 1954/1954 transitions.
Reduce places removed 2009 places and 0 transitions.
Ensure Unique test removed 828 transitions
Reduce isomorphic transitions removed 828 transitions.
Iterating post reduction 0 with 2837 rules applied. Total rules applied 2837 place count 389 transition count 1126
Discarding 119 places :
Symmetric choice reduction at 1 with 119 rule applications. Total rules 2956 place count 270 transition count 374
Iterating global reduction 1 with 119 rules applied. Total rules applied 3075 place count 270 transition count 374
Ensure Unique test removed 10 transitions
Reduce isomorphic transitions removed 10 transitions.
Iterating post reduction 1 with 10 rules applied. Total rules applied 3085 place count 270 transition count 364
Discarding 93 places :
Symmetric choice reduction at 2 with 93 rule applications. Total rules 3178 place count 177 transition count 271
Iterating global reduction 2 with 93 rules applied. Total rules applied 3271 place count 177 transition count 271
Ensure Unique test removed 36 transitions
Reduce isomorphic transitions removed 36 transitions.
Iterating post reduction 2 with 36 rules applied. Total rules applied 3307 place count 177 transition count 235
Discarding 39 places :
Symmetric choice reduction at 3 with 39 rule applications. Total rules 3346 place count 138 transition count 181
Iterating global reduction 3 with 39 rules applied. Total rules applied 3385 place count 138 transition count 181
Ensure Unique test removed 24 transitions
Reduce isomorphic transitions removed 24 transitions.
Iterating post reduction 3 with 24 rules applied. Total rules applied 3409 place count 138 transition count 157
Discarding 10 places :
Symmetric choice reduction at 4 with 10 rule applications. Total rules 3419 place count 128 transition count 142
Iterating global reduction 4 with 10 rules applied. Total rules applied 3429 place count 128 transition count 142
Discarding 10 places :
Symmetric choice reduction at 4 with 10 rule applications. Total rules 3439 place count 118 transition count 132
Iterating global reduction 4 with 10 rules applied. Total rules applied 3449 place count 118 transition count 132
Discarding 6 places :
Symmetric choice reduction at 4 with 6 rule applications. Total rules 3455 place count 112 transition count 125
Iterating global reduction 4 with 6 rules applied. Total rules applied 3461 place count 112 transition count 125
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 4 with 2 rules applied. Total rules applied 3463 place count 112 transition count 123
Discarding 6 places :
Symmetric choice reduction at 5 with 6 rule applications. Total rules 3469 place count 106 transition count 117
Iterating global reduction 5 with 6 rules applied. Total rules applied 3475 place count 106 transition count 117
Discarding 4 places :
Symmetric choice reduction at 5 with 4 rule applications. Total rules 3479 place count 102 transition count 113
Iterating global reduction 5 with 4 rules applied. Total rules applied 3483 place count 102 transition count 113
Discarding 2 places :
Symmetric choice reduction at 5 with 2 rule applications. Total rules 3485 place count 100 transition count 109
Iterating global reduction 5 with 2 rules applied. Total rules applied 3487 place count 100 transition count 109
Discarding 1 places :
Symmetric choice reduction at 5 with 1 rule applications. Total rules 3488 place count 99 transition count 108
Iterating global reduction 5 with 1 rules applied. Total rules applied 3489 place count 99 transition count 108
Discarding 1 places :
Symmetric choice reduction at 5 with 1 rule applications. Total rules 3490 place count 98 transition count 107
Iterating global reduction 5 with 1 rules applied. Total rules applied 3491 place count 98 transition count 107
Applied a total of 3491 rules in 130 ms. Remains 98 /2398 variables (removed 2300) and now considering 107/1954 (removed 1847) transitions.
// Phase 1: matrix 107 rows 98 cols
[2022-06-08 23:42:53] [INFO ] Computed 5 place invariants in 19 ms
[2022-06-08 23:42:54] [INFO ] Implicit Places using invariants in 206 ms returned []
// Phase 1: matrix 107 rows 98 cols
[2022-06-08 23:42:54] [INFO ] Computed 5 place invariants in 9 ms
[2022-06-08 23:42:54] [INFO ] State equation strengthened by 41 read => feed constraints.
[2022-06-08 23:42:54] [INFO ] Implicit Places using invariants and state equation in 197 ms returned []
Implicit Place search using SMT with State Equation took 438 ms to find 0 implicit places.
// Phase 1: matrix 107 rows 98 cols
[2022-06-08 23:42:54] [INFO ] Computed 5 place invariants in 14 ms
[2022-06-08 23:42:54] [INFO ] Dead Transitions using invariants and state equation in 101 ms found 0 transitions.
Starting structural reductions in LIVENESS mode, iteration 1 : 98/2398 places, 107/1954 transitions.
Finished structural reductions, in 1 iterations. Remains : 98/2398 places, 107/1954 transitions.
Discarding 20 transitions out of 107. Remains 87
Initial state reduction rules removed 1 formulas.
Incomplete random walk after 10000 steps, including 2207 resets, run finished after 572 ms. (steps per millisecond=17 ) properties (out of 86) seen :21
Incomplete Best-First random walk after 1000 steps, including 53 resets, run finished after 14 ms. (steps per millisecond=71 ) properties (out of 65) seen :0
Incomplete Best-First random walk after 1001 steps, including 42 resets, run finished after 14 ms. (steps per millisecond=71 ) properties (out of 65) seen :0
Incomplete Best-First random walk after 1000 steps, including 48 resets, run finished after 14 ms. (steps per millisecond=71 ) properties (out of 65) seen :5
Incomplete Best-First random walk after 1001 steps, including 42 resets, run finished after 17 ms. (steps per millisecond=58 ) properties (out of 60) seen :0
Incomplete Best-First random walk after 1001 steps, including 41 resets, run finished after 13 ms. (steps per millisecond=77 ) properties (out of 60) seen :0
Incomplete Best-First random walk after 1001 steps, including 42 resets, run finished after 14 ms. (steps per millisecond=71 ) properties (out of 60) seen :0
Incomplete Best-First random walk after 1000 steps, including 48 resets, run finished after 16 ms. (steps per millisecond=62 ) properties (out of 60) seen :0
Incomplete Best-First random walk after 1000 steps, including 52 resets, run finished after 14 ms. (steps per millisecond=71 ) properties (out of 60) seen :0
Incomplete Best-First random walk after 1000 steps, including 50 resets, run finished after 14 ms. (steps per millisecond=71 ) properties (out of 60) seen :0
Incomplete Best-First random walk after 1001 steps, including 49 resets, run finished after 14 ms. (steps per millisecond=71 ) properties (out of 60) seen :0
Incomplete Best-First random walk after 1000 steps, including 50 resets, run finished after 14 ms. (steps per millisecond=71 ) properties (out of 60) seen :0
Incomplete Best-First random walk after 1001 steps, including 37 resets, run finished after 12 ms. (steps per millisecond=83 ) properties (out of 60) seen :0
Incomplete Best-First random walk after 1001 steps, including 34 resets, run finished after 12 ms. (steps per millisecond=83 ) properties (out of 60) seen :0
Incomplete Best-First random walk after 1001 steps, including 42 resets, run finished after 13 ms. (steps per millisecond=77 ) properties (out of 60) seen :0
Incomplete Best-First random walk after 1000 steps, including 45 resets, run finished after 13 ms. (steps per millisecond=76 ) properties (out of 60) seen :0
Incomplete Best-First random walk after 1001 steps, including 46 resets, run finished after 13 ms. (steps per millisecond=77 ) properties (out of 60) seen :0
Incomplete Best-First random walk after 1000 steps, including 40 resets, run finished after 13 ms. (steps per millisecond=76 ) properties (out of 60) seen :0
Incomplete Best-First random walk after 1001 steps, including 44 resets, run finished after 13 ms. (steps per millisecond=77 ) properties (out of 60) seen :0
Incomplete Best-First random walk after 1001 steps, including 50 resets, run finished after 12 ms. (steps per millisecond=83 ) properties (out of 60) seen :0
Incomplete Best-First random walk after 1001 steps, including 45 resets, run finished after 13 ms. (steps per millisecond=77 ) properties (out of 60) seen :0
Incomplete Best-First random walk after 1001 steps, including 44 resets, run finished after 13 ms. (steps per millisecond=77 ) properties (out of 60) seen :0
Incomplete Best-First random walk after 1001 steps, including 50 resets, run finished after 14 ms. (steps per millisecond=71 ) properties (out of 60) seen :0
Incomplete Best-First random walk after 1000 steps, including 44 resets, run finished after 14 ms. (steps per millisecond=71 ) properties (out of 60) seen :0
Incomplete Best-First random walk after 1001 steps, including 51 resets, run finished after 16 ms. (steps per millisecond=62 ) properties (out of 60) seen :0
Incomplete Best-First random walk after 1001 steps, including 45 resets, run finished after 13 ms. (steps per millisecond=77 ) properties (out of 60) seen :0
Incomplete Best-First random walk after 1001 steps, including 53 resets, run finished after 14 ms. (steps per millisecond=71 ) properties (out of 60) seen :0
Incomplete Best-First random walk after 1001 steps, including 57 resets, run finished after 14 ms. (steps per millisecond=71 ) properties (out of 60) seen :0
Incomplete Best-First random walk after 1000 steps, including 51 resets, run finished after 14 ms. (steps per millisecond=71 ) properties (out of 60) seen :0
Incomplete Best-First random walk after 1000 steps, including 42 resets, run finished after 13 ms. (steps per millisecond=76 ) properties (out of 60) seen :0
Incomplete Best-First random walk after 1000 steps, including 43 resets, run finished after 14 ms. (steps per millisecond=71 ) properties (out of 60) seen :0
Incomplete Best-First random walk after 1001 steps, including 54 resets, run finished after 14 ms. (steps per millisecond=71 ) properties (out of 60) seen :0
Incomplete Best-First random walk after 1001 steps, including 51 resets, run finished after 14 ms. (steps per millisecond=71 ) properties (out of 60) seen :0
Incomplete Best-First random walk after 1000 steps, including 43 resets, run finished after 12 ms. (steps per millisecond=83 ) properties (out of 60) seen :0
Incomplete Best-First random walk after 1000 steps, including 43 resets, run finished after 13 ms. (steps per millisecond=76 ) properties (out of 60) seen :0
Incomplete Best-First random walk after 1001 steps, including 49 resets, run finished after 15 ms. (steps per millisecond=66 ) properties (out of 60) seen :0
Incomplete Best-First random walk after 1000 steps, including 44 resets, run finished after 14 ms. (steps per millisecond=71 ) properties (out of 60) seen :0
Incomplete Best-First random walk after 1000 steps, including 39 resets, run finished after 13 ms. (steps per millisecond=76 ) properties (out of 60) seen :0
Incomplete Best-First random walk after 1001 steps, including 48 resets, run finished after 13 ms. (steps per millisecond=77 ) properties (out of 60) seen :0
Incomplete Best-First random walk after 1001 steps, including 50 resets, run finished after 14 ms. (steps per millisecond=71 ) properties (out of 60) seen :0
Incomplete Best-First random walk after 1000 steps, including 200 resets, run finished after 22 ms. (steps per millisecond=45 ) properties (out of 60) seen :0
Incomplete Best-First random walk after 1000 steps, including 102 resets, run finished after 18 ms. (steps per millisecond=55 ) properties (out of 60) seen :0
Incomplete Best-First random walk after 1000 steps, including 96 resets, run finished after 17 ms. (steps per millisecond=58 ) properties (out of 60) seen :0
Incomplete Best-First random walk after 1001 steps, including 117 resets, run finished after 20 ms. (steps per millisecond=50 ) properties (out of 60) seen :0
Incomplete Best-First random walk after 1001 steps, including 98 resets, run finished after 18 ms. (steps per millisecond=55 ) properties (out of 60) seen :0
Incomplete Best-First random walk after 1000 steps, including 95 resets, run finished after 18 ms. (steps per millisecond=55 ) properties (out of 60) seen :0
Incomplete Best-First random walk after 1001 steps, including 99 resets, run finished after 18 ms. (steps per millisecond=55 ) properties (out of 60) seen :0
Incomplete Best-First random walk after 1001 steps, including 96 resets, run finished after 17 ms. (steps per millisecond=58 ) properties (out of 60) seen :0
Incomplete Best-First random walk after 1000 steps, including 108 resets, run finished after 19 ms. (steps per millisecond=52 ) properties (out of 60) seen :0
Incomplete Best-First random walk after 1001 steps, including 112 resets, run finished after 28 ms. (steps per millisecond=35 ) properties (out of 60) seen :0
Incomplete Best-First random walk after 1001 steps, including 87 resets, run finished after 16 ms. (steps per millisecond=62 ) properties (out of 60) seen :0
Incomplete Best-First random walk after 1001 steps, including 110 resets, run finished after 16 ms. (steps per millisecond=62 ) properties (out of 60) seen :0
Incomplete Best-First random walk after 1000 steps, including 113 resets, run finished after 16 ms. (steps per millisecond=62 ) properties (out of 60) seen :0
Running SMT prover for 60 properties.
// Phase 1: matrix 107 rows 98 cols
[2022-06-08 23:42:55] [INFO ] Computed 5 place invariants in 5 ms
[2022-06-08 23:42:56] [INFO ] [Real]Absence check using 2 positive place invariants in 1 ms returned sat
[2022-06-08 23:42:56] [INFO ] [Real]Absence check using 2 positive and 3 generalized place invariants in 3 ms returned sat
[2022-06-08 23:42:56] [INFO ] After 1071ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:60
[2022-06-08 23:42:57] [INFO ] [Nat]Absence check using 2 positive place invariants in 1 ms returned sat
[2022-06-08 23:42:57] [INFO ] [Nat]Absence check using 2 positive and 3 generalized place invariants in 6 ms returned sat
[2022-06-08 23:42:57] [INFO ] After 669ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :60
[2022-06-08 23:42:57] [INFO ] State equation strengthened by 41 read => feed constraints.
[2022-06-08 23:42:58] [INFO ] After 716ms SMT Verify possible using 41 Read/Feed constraints in natural domain returned unsat :0 sat :60
[2022-06-08 23:42:58] [INFO ] Deduced a trap composed of 23 places in 39 ms of which 6 ms to minimize.
[2022-06-08 23:42:58] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 52 ms
[2022-06-08 23:42:59] [INFO ] After 1793ms SMT Verify possible using trap constraints in natural domain returned unsat :3 sat :57
Attempting to minimize the solution found.
Minimization took 685 ms.
[2022-06-08 23:43:00] [INFO ] After 3531ms SMT Verify possible using all constraints in natural domain returned unsat :3 sat :57
FORMULA QuasiLiveness FALSE TECHNIQUES RANDOM_WALK STRUCTURAL_REDUCTION BESTFIRST_WALK TOPOLOGICAL INITIAL_STATE SAT_SMT
Total runtime 7080 ms.

BK_STOP 1654731780545

--------------------
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
+ [[ QuasiLiveness = StateSpace ]]
+ /home/mcc/BenchKit/bin//..//runeclipse.sh /home/mcc/execution QuasiLiveness -its -ltsmin -greatspnpath /home/mcc/BenchKit/bin//..//greatspn/ -order META -manyOrder -smt -timeout 1800
+ 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 QuasiLiveness -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 1800 -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="SieveSingleMsgMbox-PT-d2m18"
export BK_EXAMINATION="QuasiLiveness"
export BK_TOOL="itstools"
export BK_RESULT_DIR="/tmp/BK_RESULTS/OUTPUTS"
export BK_TIME_CONFINEMENT="1800"
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 SieveSingleMsgMbox-PT-d2m18, examination is QuasiLiveness"
echo " Time confinement is $BK_TIME_CONFINEMENT seconds"
echo " Memory confinement is 16384 MBytes"
echo " Number of cores is 4"
echo " Run identifier is r319-tall-165472290400597"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/SieveSingleMsgMbox-PT-d2m18.tgz
mv SieveSingleMsgMbox-PT-d2m18 execution
cd execution
if [ "QuasiLiveness" = "ReachabilityDeadlock" ] || [ "QuasiLiveness" = "UpperBounds" ] || [ "QuasiLiveness" = "QuasiLiveness" ] || [ "QuasiLiveness" = "StableMarking" ] || [ "QuasiLiveness" = "Liveness" ] || [ "QuasiLiveness" = "OneSafe" ] || [ "QuasiLiveness" = "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 [ "QuasiLiveness" = "UpperBounds" ] ; then
echo "The expected result is a vector of positive values"
echo NUM_VECTOR
elif [ "QuasiLiveness" != "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 "QuasiLiveness.txt" ] ; then
echo "here is the order used to build the result vector(from text file)"
for x in $(grep Property QuasiLiveness.txt | cut -d ' ' -f 2 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ -f "QuasiLiveness.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 '' QuasiLiveness.xml | cut -d '>' -f 2 | cut -d '<' -f 1 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ "QuasiLiveness" = "ReachabilityDeadlock" ] || [ "QuasiLiveness" = "QuasiLiveness" ] || [ "QuasiLiveness" = "StableMarking" ] || [ "QuasiLiveness" = "Liveness" ] || [ "QuasiLiveness" = "OneSafe" ] ; then
echo "FORMULA_NAME QuasiLiveness"
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 ;