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.r053-smll-165252139100152.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 CloudReconfiguration-PT-305, examination is QuasiLiveness
Time confinement is 1800 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r053-smll-165252139100152
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 896K
-rw-r--r-- 1 mcc users 7.5K Apr 29 14:31 CTLCardinality.txt
-rw-r--r-- 1 mcc users 81K Apr 29 14:31 CTLCardinality.xml
-rw-r--r-- 1 mcc users 5.6K Apr 29 14:30 CTLFireability.txt
-rw-r--r-- 1 mcc users 51K Apr 29 14:30 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K May 10 09:33 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 3.9K May 9 07:19 LTLCardinality.txt
-rw-r--r-- 1 mcc users 26K May 9 07:19 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.5K May 9 07:19 LTLFireability.txt
-rw-r--r-- 1 mcc users 17K May 9 07:19 LTLFireability.xml
-rw-r--r-- 1 mcc users 1.8K May 9 07:19 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.8K May 9 07:19 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 May 10 09:33 equiv_col
-rw-r--r-- 1 mcc users 4 May 10 09:33 instance
-rw-r--r-- 1 mcc users 6 May 10 09:33 iscolored
-rw-r--r-- 1 mcc users 660K May 10 09:33 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 1652602823821

Running Version 202205111006
[2022-05-15 08:20:25] [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]
[2022-05-15 08:20:25] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2022-05-15 08:20:26] [INFO ] Load time of PNML (sax parser for PT used): 349 ms
[2022-05-15 08:20:26] [INFO ] Transformed 2585 places.
[2022-05-15 08:20:26] [INFO ] Transformed 3095 transitions.
[2022-05-15 08:20:26] [INFO ] Found NUPN structural information;
[2022-05-15 08:20:26] [INFO ] Parsed PT model containing 2585 places and 3095 transitions in 543 ms.
Starting structural reductions in LIVENESS mode, iteration 0 : 2585/2585 places, 3095/3095 transitions.
Graph (trivial) has 2957 edges and 2585 vertex of which 882 / 2585 are part of one of the 63 SCC in 18 ms
Free SCC test removed 819 places
Ensure Unique test removed 936 transitions
Reduce isomorphic transitions removed 936 transitions.
Drop transitions removed 1190 transitions
Trivial Post-agglo rules discarded 1190 transitions
Performed 1190 trivial Post agglomeration. Transition count delta: 1190
Iterating post reduction 0 with 1190 rules applied. Total rules applied 1191 place count 1766 transition count 969
Reduce places removed 1190 places and 0 transitions.
Ensure Unique test removed 68 transitions
Reduce isomorphic transitions removed 68 transitions.
Drop transitions removed 33 transitions
Trivial Post-agglo rules discarded 33 transitions
Performed 33 trivial Post agglomeration. Transition count delta: 33
Iterating post reduction 1 with 1291 rules applied. Total rules applied 2482 place count 576 transition count 868
Reduce places removed 33 places and 0 transitions.
Ensure Unique test removed 3 transitions
Reduce isomorphic transitions removed 3 transitions.
Iterating post reduction 2 with 36 rules applied. Total rules applied 2518 place count 543 transition count 865
Performed 20 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 20 Pre rules applied. Total rules applied 2518 place count 543 transition count 845
Deduced a syphon composed of 20 places in 8 ms
Reduce places removed 20 places and 0 transitions.
Iterating global reduction 3 with 40 rules applied. Total rules applied 2558 place count 523 transition count 845
Discarding 90 places :
Symmetric choice reduction at 3 with 90 rule applications. Total rules 2648 place count 433 transition count 743
Iterating global reduction 3 with 90 rules applied. Total rules applied 2738 place count 433 transition count 743
Drop transitions removed 3 transitions
Trivial Post-agglo rules discarded 3 transitions
Performed 3 trivial Post agglomeration. Transition count delta: 3
Iterating post reduction 3 with 3 rules applied. Total rules applied 2741 place count 433 transition count 740
Reduce places removed 3 places and 0 transitions.
Iterating post reduction 4 with 3 rules applied. Total rules applied 2744 place count 430 transition count 740
Performed 6 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 5 with 6 Pre rules applied. Total rules applied 2744 place count 430 transition count 734
Deduced a syphon composed of 6 places in 3 ms
Reduce places removed 6 places and 0 transitions.
Iterating global reduction 5 with 12 rules applied. Total rules applied 2756 place count 424 transition count 734
Discarding 60 places :
Symmetric choice reduction at 5 with 60 rule applications. Total rules 2816 place count 364 transition count 674
Iterating global reduction 5 with 60 rules applied. Total rules applied 2876 place count 364 transition count 674
Ensure Unique test removed 18 transitions
Reduce isomorphic transitions removed 18 transitions.
Drop transitions removed 18 transitions
Trivial Post-agglo rules discarded 18 transitions
Performed 18 trivial Post agglomeration. Transition count delta: 18
Iterating post reduction 5 with 36 rules applied. Total rules applied 2912 place count 364 transition count 638
Reduce places removed 18 places and 0 transitions.
Ensure Unique test removed 6 transitions
Reduce isomorphic transitions removed 6 transitions.
Drop transitions removed 6 transitions
Trivial Post-agglo rules discarded 6 transitions
Performed 6 trivial Post agglomeration. Transition count delta: 6
Iterating post reduction 6 with 30 rules applied. Total rules applied 2942 place count 346 transition count 626
Reduce places removed 6 places and 0 transitions.
Iterating post reduction 7 with 6 rules applied. Total rules applied 2948 place count 340 transition count 626
Discarding 21 places :
Symmetric choice reduction at 8 with 21 rule applications. Total rules 2969 place count 319 transition count 593
Iterating global reduction 8 with 21 rules applied. Total rules applied 2990 place count 319 transition count 593
Ensure Unique test removed 9 transitions
Reduce isomorphic transitions removed 9 transitions.
Iterating post reduction 8 with 9 rules applied. Total rules applied 2999 place count 319 transition count 584
Discarding 9 places :
Symmetric choice reduction at 9 with 9 rule applications. Total rules 3008 place count 310 transition count 566
Iterating global reduction 9 with 9 rules applied. Total rules applied 3017 place count 310 transition count 566
Discarding 3 places :
Symmetric choice reduction at 9 with 3 rule applications. Total rules 3020 place count 307 transition count 560
Iterating global reduction 9 with 3 rules applied. Total rules applied 3023 place count 307 transition count 560
Performed 145 Post agglomeration using F-continuation condition with reduction of 63 identical transitions.
Deduced a syphon composed of 145 places in 2 ms
Reduce places removed 145 places and 0 transitions.
Iterating global reduction 9 with 290 rules applied. Total rules applied 3313 place count 162 transition count 352
Performed 3 Post agglomeration using F-continuation condition.Transition count delta: 3
Deduced a syphon composed of 3 places in 0 ms
Reduce places removed 3 places and 0 transitions.
Iterating global reduction 9 with 6 rules applied. Total rules applied 3319 place count 159 transition count 349
Ensure Unique test removed 6 transitions
Reduce isomorphic transitions removed 6 transitions.
Iterating post reduction 9 with 6 rules applied. Total rules applied 3325 place count 159 transition count 343
Performed 3 Post agglomeration using F-continuation condition.Transition count delta: 3
Deduced a syphon composed of 3 places in 1 ms
Reduce places removed 3 places and 0 transitions.
Iterating global reduction 10 with 6 rules applied. Total rules applied 3331 place count 156 transition count 340
Ensure Unique test removed 6 transitions
Reduce isomorphic transitions removed 6 transitions.
Iterating post reduction 10 with 6 rules applied. Total rules applied 3337 place count 156 transition count 334
Performed 15 Post agglomeration using F-continuation condition.Transition count delta: -33
Deduced a syphon composed of 15 places in 1 ms
Reduce places removed 15 places and 0 transitions.
Iterating global reduction 11 with 30 rules applied. Total rules applied 3367 place count 141 transition count 367
Ensure Unique test removed 15 transitions
Reduce isomorphic transitions removed 15 transitions.
Iterating post reduction 11 with 15 rules applied. Total rules applied 3382 place count 141 transition count 352
Discarding 3 places :
Symmetric choice reduction at 12 with 3 rule applications. Total rules 3385 place count 138 transition count 346
Iterating global reduction 12 with 3 rules applied. Total rules applied 3388 place count 138 transition count 346
Applied a total of 3388 rules in 383 ms. Remains 138 /2585 variables (removed 2447) and now considering 346/3095 (removed 2749) transitions.
[2022-05-15 08:20:26] [INFO ] Flow matrix only has 270 transitions (discarded 76 similar events)
// Phase 1: matrix 270 rows 138 cols
[2022-05-15 08:20:26] [INFO ] Computed 4 place invariants in 29 ms
[2022-05-15 08:20:27] [INFO ] Implicit Places using invariants in 434 ms returned []
[2022-05-15 08:20:27] [INFO ] Flow matrix only has 270 transitions (discarded 76 similar events)
// Phase 1: matrix 270 rows 138 cols
[2022-05-15 08:20:27] [INFO ] Computed 4 place invariants in 17 ms
[2022-05-15 08:20:27] [INFO ] State equation strengthened by 8 read => feed constraints.
[2022-05-15 08:20:27] [INFO ] Implicit Places using invariants and state equation in 394 ms returned [59, 131]
Discarding 2 places :
Implicit Place search using SMT with State Equation took 884 ms to find 2 implicit places.
Starting structural reductions in LIVENESS mode, iteration 1 : 136/2585 places, 346/3095 transitions.
Performed 2 Post agglomeration using F-continuation condition.Transition count delta: 2
Deduced a syphon composed of 2 places in 0 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 0 with 4 rules applied. Total rules applied 4 place count 134 transition count 344
Applied a total of 4 rules in 12 ms. Remains 134 /136 variables (removed 2) and now considering 344/346 (removed 2) transitions.
[2022-05-15 08:20:27] [INFO ] Flow matrix only has 268 transitions (discarded 76 similar events)
// Phase 1: matrix 268 rows 134 cols
[2022-05-15 08:20:27] [INFO ] Computed 2 place invariants in 2 ms
[2022-05-15 08:20:27] [INFO ] Implicit Places using invariants in 108 ms returned []
[2022-05-15 08:20:27] [INFO ] Flow matrix only has 268 transitions (discarded 76 similar events)
// Phase 1: matrix 268 rows 134 cols
[2022-05-15 08:20:27] [INFO ] Computed 2 place invariants in 1 ms
[2022-05-15 08:20:28] [INFO ] State equation strengthened by 8 read => feed constraints.
[2022-05-15 08:20:28] [INFO ] Implicit Places using invariants and state equation in 278 ms returned []
Implicit Place search using SMT with State Equation took 388 ms to find 0 implicit places.
Starting structural reductions in LIVENESS mode, iteration 2 : 134/2585 places, 344/3095 transitions.
Finished structural reductions, in 2 iterations. Remains : 134/2585 places, 344/3095 transitions.
Discarding 217 transitions out of 344. Remains 127
Initial state reduction rules removed 1 formulas.
Incomplete random walk after 10000 steps, including 1038 resets, run finished after 908 ms. (steps per millisecond=11 ) properties (out of 126) seen :98
Incomplete Best-First random walk after 1001 steps, including 22 resets, run finished after 8 ms. (steps per millisecond=125 ) properties (out of 28) seen :0
Incomplete Best-First random walk after 1001 steps, including 22 resets, run finished after 8 ms. (steps per millisecond=125 ) properties (out of 28) seen :0
Incomplete Best-First random walk after 1001 steps, including 23 resets, run finished after 8 ms. (steps per millisecond=125 ) properties (out of 28) seen :0
Incomplete Best-First random walk after 1001 steps, including 24 resets, run finished after 12 ms. (steps per millisecond=83 ) properties (out of 28) seen :0
Incomplete Best-First random walk after 1001 steps, including 19 resets, run finished after 8 ms. (steps per millisecond=125 ) properties (out of 28) seen :0
Incomplete Best-First random walk after 1001 steps, including 23 resets, run finished after 9 ms. (steps per millisecond=111 ) properties (out of 28) seen :2
Incomplete Best-First random walk after 1001 steps, including 23 resets, run finished after 9 ms. (steps per millisecond=111 ) properties (out of 26) seen :0
Incomplete Best-First random walk after 1000 steps, including 26 resets, run finished after 9 ms. (steps per millisecond=111 ) properties (out of 26) seen :0
Incomplete Best-First random walk after 1001 steps, including 19 resets, run finished after 9 ms. (steps per millisecond=111 ) properties (out of 26) seen :0
Incomplete Best-First random walk after 1001 steps, including 33 resets, run finished after 14 ms. (steps per millisecond=71 ) properties (out of 26) seen :0
Incomplete Best-First random walk after 1000 steps, including 14 resets, run finished after 7 ms. (steps per millisecond=142 ) properties (out of 26) seen :0
Incomplete Best-First random walk after 1001 steps, including 14 resets, run finished after 7 ms. (steps per millisecond=143 ) properties (out of 26) seen :0
Incomplete Best-First random walk after 1001 steps, including 13 resets, run finished after 11 ms. (steps per millisecond=91 ) properties (out of 26) seen :0
Incomplete Best-First random walk after 1001 steps, including 14 resets, run finished after 9 ms. (steps per millisecond=111 ) properties (out of 26) seen :0
Incomplete Best-First random walk after 1001 steps, including 14 resets, run finished after 5 ms. (steps per millisecond=200 ) properties (out of 26) seen :0
Incomplete Best-First random walk after 1001 steps, including 14 resets, run finished after 10 ms. (steps per millisecond=100 ) properties (out of 26) seen :0
Incomplete Best-First random walk after 1000 steps, including 16 resets, run finished after 11 ms. (steps per millisecond=90 ) properties (out of 26) seen :0
Incomplete Best-First random walk after 1001 steps, including 15 resets, run finished after 10 ms. (steps per millisecond=100 ) properties (out of 26) seen :0
Incomplete Best-First random walk after 1001 steps, including 11 resets, run finished after 10 ms. (steps per millisecond=100 ) properties (out of 26) seen :0
Incomplete Best-First random walk after 1000 steps, including 11 resets, run finished after 10 ms. (steps per millisecond=100 ) properties (out of 26) seen :0
Incomplete Best-First random walk after 1001 steps, including 13 resets, run finished after 10 ms. (steps per millisecond=100 ) properties (out of 26) seen :0
Incomplete Best-First random walk after 1001 steps, including 17 resets, run finished after 11 ms. (steps per millisecond=91 ) properties (out of 26) seen :0
Incomplete Best-First random walk after 1001 steps, including 13 resets, run finished after 10 ms. (steps per millisecond=100 ) properties (out of 26) seen :0
Incomplete Best-First random walk after 1001 steps, including 17 resets, run finished after 12 ms. (steps per millisecond=83 ) properties (out of 26) seen :0
Incomplete Best-First random walk after 1001 steps, including 14 resets, run finished after 11 ms. (steps per millisecond=91 ) properties (out of 26) seen :0
Incomplete Best-First random walk after 1001 steps, including 18 resets, run finished after 10 ms. (steps per millisecond=100 ) properties (out of 26) seen :0
Running SMT prover for 26 properties.
[2022-05-15 08:20:29] [INFO ] Flow matrix only has 268 transitions (discarded 76 similar events)
// Phase 1: matrix 268 rows 134 cols
[2022-05-15 08:20:29] [INFO ] Computed 2 place invariants in 8 ms
[2022-05-15 08:20:29] [INFO ] [Real]Absence check using 0 positive and 2 generalized place invariants in 2 ms returned sat
[2022-05-15 08:20:30] [INFO ] After 494ms SMT Verify possible using state equation in real domain returned unsat :1 sat :5 real:20
[2022-05-15 08:20:30] [INFO ] State equation strengthened by 8 read => feed constraints.
[2022-05-15 08:20:30] [INFO ] After 76ms SMT Verify possible using 8 Read/Feed constraints in real domain returned unsat :1 sat :0 real:25
[2022-05-15 08:20:30] [INFO ] After 901ms SMT Verify possible using all constraints in real domain returned unsat :1 sat :0 real:25
[2022-05-15 08:20:30] [INFO ] [Nat]Absence check using 0 positive and 2 generalized place invariants in 1 ms returned sat
[2022-05-15 08:20:31] [INFO ] After 443ms SMT Verify possible using state equation in natural domain returned unsat :1 sat :25
[2022-05-15 08:20:31] [INFO ] After 345ms SMT Verify possible using 8 Read/Feed constraints in natural domain returned unsat :1 sat :25
[2022-05-15 08:20:31] [INFO ] After 892ms SMT Verify possible using trap constraints in natural domain returned unsat :1 sat :25
Attempting to minimize the solution found.
Minimization took 393 ms.
[2022-05-15 08:20:32] [INFO ] After 2004ms SMT Verify possible using all constraints in natural domain returned unsat :1 sat :25
FORMULA QuasiLiveness FALSE TECHNIQUES RANDOM_WALK STRUCTURAL_REDUCTION BESTFIRST_WALK TOPOLOGICAL INITIAL_STATE SAT_SMT
Total runtime 6506 ms.

BK_STOP 1652602832419

--------------------
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="CloudReconfiguration-PT-305"
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 CloudReconfiguration-PT-305, 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 r053-smll-165252139100152"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/CloudReconfiguration-PT-305.tgz
mv CloudReconfiguration-PT-305 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 ;