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.r469-smll-167912658700372.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 StigmergyElection-PT-04b, examination is QuasiLiveness
Time confinement is 1800 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r469-smll-167912658700372
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 644K
-rw-r--r-- 1 mcc users 6.8K Feb 26 16:30 CTLCardinality.txt
-rw-r--r-- 1 mcc users 73K Feb 26 16:30 CTLCardinality.xml
-rw-r--r-- 1 mcc users 6.2K Feb 26 16:29 CTLFireability.txt
-rw-r--r-- 1 mcc users 56K Feb 26 16:29 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K Feb 25 17:14 LTLCardinality.txt
-rw-r--r-- 1 mcc users 29K Feb 25 17:14 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.3K Feb 25 17:14 LTLFireability.txt
-rw-r--r-- 1 mcc users 17K Feb 25 17:14 LTLFireability.xml
-rw-r--r-- 1 mcc users 11K Feb 26 16:31 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 109K Feb 26 16:31 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 8.1K Feb 26 16:30 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 69K Feb 26 16:30 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.7K Feb 25 17:14 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.8K Feb 25 17:14 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 Mar 5 18:23 equiv_col
-rw-r--r-- 1 mcc users 4 Mar 5 18:23 instance
-rw-r--r-- 1 mcc users 6 Mar 5 18:23 iscolored
-rw-r--r-- 1 mcc users 203K 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

FORMULA_NAME QuasiLiveness

=== Now, execution of the tool begins

BK_START 1679394973886

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=QuasiLiveness
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=1800
BK_INPUT=StigmergyElection-PT-04b
Applying reductions before tool lola
Invoking reducer
Running Version 202303021504
[2023-03-21 10:36:17] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, QuasiLiveness, -timeout, 180, -rebuildPNML]
[2023-03-21 10:36:17] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2023-03-21 10:36:18] [INFO ] Load time of PNML (sax parser for PT used): 202 ms
[2023-03-21 10:36:18] [INFO ] Transformed 563 places.
[2023-03-21 10:36:18] [INFO ] Transformed 780 transitions.
[2023-03-21 10:36:18] [INFO ] Found NUPN structural information;
[2023-03-21 10:36:18] [INFO ] Parsed PT model containing 563 places and 780 transitions and 2680 arcs in 375 ms.
Starting structural reductions in LIVENESS mode, iteration 0 : 563/563 places, 780/780 transitions.
Graph (trivial) has 574 edges and 563 vertex of which 84 / 563 are part of one of the 12 SCC in 13 ms
Free SCC test removed 72 places
Ensure Unique test removed 80 transitions
Reduce isomorphic transitions removed 80 transitions.
Drop transitions removed 356 transitions
Trivial Post-agglo rules discarded 356 transitions
Performed 356 trivial Post agglomeration. Transition count delta: 356
Iterating post reduction 0 with 356 rules applied. Total rules applied 357 place count 491 transition count 344
Reduce places removed 356 places and 0 transitions.
Ensure Unique test removed 4 transitions
Reduce isomorphic transitions removed 4 transitions.
Drop transitions removed 4 transitions
Trivial Post-agglo rules discarded 4 transitions
Performed 4 trivial Post agglomeration. Transition count delta: 4
Iterating post reduction 1 with 364 rules applied. Total rules applied 721 place count 135 transition count 336
Reduce places removed 4 places and 0 transitions.
Iterating post reduction 2 with 4 rules applied. Total rules applied 725 place count 131 transition count 336
Performed 12 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 12 Pre rules applied. Total rules applied 725 place count 131 transition count 324
Deduced a syphon composed of 12 places in 2 ms
Reduce places removed 12 places and 0 transitions.
Iterating global reduction 3 with 24 rules applied. Total rules applied 749 place count 119 transition count 324
Performed 40 Post agglomeration using F-continuation condition.Transition count delta: 40
Deduced a syphon composed of 40 places in 1 ms
Reduce places removed 40 places and 0 transitions.
Iterating global reduction 3 with 80 rules applied. Total rules applied 829 place count 79 transition count 284
Performed 13 Post agglomeration using F-continuation condition.Transition count delta: -24
Deduced a syphon composed of 13 places in 1 ms
Reduce places removed 13 places and 0 transitions.
Iterating global reduction 3 with 26 rules applied. Total rules applied 855 place count 66 transition count 308
Applied a total of 855 rules in 122 ms. Remains 66 /563 variables (removed 497) and now considering 308/780 (removed 472) transitions.
[2023-03-21 10:36:18] [INFO ] Flow matrix only has 296 transitions (discarded 12 similar events)
// Phase 1: matrix 296 rows 66 cols
[2023-03-21 10:36:18] [INFO ] Computed 5 place invariants in 26 ms
[2023-03-21 10:36:18] [INFO ] Implicit Places using invariants in 484 ms returned []
[2023-03-21 10:36:18] [INFO ] Flow matrix only has 296 transitions (discarded 12 similar events)
[2023-03-21 10:36:18] [INFO ] Invariant cache hit.
[2023-03-21 10:36:19] [INFO ] State equation strengthened by 40 read => feed constraints.
[2023-03-21 10:36:19] [INFO ] Implicit Places using invariants and state equation in 468 ms returned []
Implicit Place search using SMT with State Equation took 1022 ms to find 0 implicit places.
[2023-03-21 10:36:19] [INFO ] Flow matrix only has 296 transitions (discarded 12 similar events)
[2023-03-21 10:36:19] [INFO ] Invariant cache hit.
[2023-03-21 10:36:19] [INFO ] Dead Transitions using invariants and state equation in 491 ms found 0 transitions.
Starting structural reductions in LIVENESS mode, iteration 1 : 66/563 places, 308/780 transitions.
Finished structural reductions in LIVENESS mode , in 1 iterations and 1641 ms. Remains : 66/563 places, 308/780 transitions.
Discarding 91 transitions out of 308. Remains 217
Initial state reduction rules removed 1 formulas.
Incomplete random walk after 10000 steps, including 1519 resets, run finished after 1071 ms. (steps per millisecond=9 ) properties (out of 216) seen :74
Incomplete Best-First random walk after 101 steps, including 2 resets, run finished after 2 ms. (steps per millisecond=50 ) properties (out of 142) seen :0
Incomplete Best-First random walk after 101 steps, including 2 resets, run finished after 2 ms. (steps per millisecond=50 ) properties (out of 142) seen :0
Incomplete Best-First random walk after 101 steps, including 2 resets, run finished after 1 ms. (steps per millisecond=101 ) properties (out of 142) seen :0
Incomplete Best-First random walk after 101 steps, including 2 resets, run finished after 2 ms. (steps per millisecond=50 ) properties (out of 142) seen :0
Incomplete Best-First random walk after 101 steps, including 2 resets, run finished after 2 ms. (steps per millisecond=50 ) properties (out of 142) seen :0
Incomplete Best-First random walk after 101 steps, including 2 resets, run finished after 2 ms. (steps per millisecond=50 ) properties (out of 142) seen :0
Incomplete Best-First random walk after 101 steps, including 2 resets, run finished after 2 ms. (steps per millisecond=50 ) properties (out of 142) seen :0
Incomplete Best-First random walk after 101 steps, including 2 resets, run finished after 2 ms. (steps per millisecond=50 ) properties (out of 142) seen :0
Incomplete Best-First random walk after 101 steps, including 2 resets, run finished after 2 ms. (steps per millisecond=50 ) properties (out of 142) seen :0
Incomplete Best-First random walk after 101 steps, including 2 resets, run finished after 2 ms. (steps per millisecond=50 ) properties (out of 142) seen :0
Incomplete Best-First random walk after 101 steps, including 2 resets, run finished after 2 ms. (steps per millisecond=50 ) properties (out of 142) seen :0
Incomplete Best-First random walk after 101 steps, including 2 resets, run finished after 2 ms. (steps per millisecond=50 ) properties (out of 142) seen :0
Incomplete Best-First random walk after 101 steps, including 2 resets, run finished after 2 ms. (steps per millisecond=50 ) properties (out of 142) seen :0
Incomplete Best-First random walk after 101 steps, including 2 resets, run finished after 2 ms. (steps per millisecond=50 ) properties (out of 142) seen :0
Incomplete Best-First random walk after 101 steps, including 2 resets, run finished after 1 ms. (steps per millisecond=101 ) properties (out of 142) seen :0
Incomplete Best-First random walk after 101 steps, including 2 resets, run finished after 2 ms. (steps per millisecond=50 ) properties (out of 142) seen :0
Incomplete Best-First random walk after 101 steps, including 2 resets, run finished after 2 ms. (steps per millisecond=50 ) properties (out of 142) seen :0
Incomplete Best-First random walk after 101 steps, including 2 resets, run finished after 2 ms. (steps per millisecond=50 ) properties (out of 142) seen :0
Incomplete Best-First random walk after 101 steps, including 2 resets, run finished after 2 ms. (steps per millisecond=50 ) properties (out of 142) seen :0
Incomplete Best-First random walk after 101 steps, including 2 resets, run finished after 2 ms. (steps per millisecond=50 ) properties (out of 142) seen :0
Incomplete Best-First random walk after 101 steps, including 2 resets, run finished after 2 ms. (steps per millisecond=50 ) properties (out of 142) seen :0
Incomplete Best-First random walk after 101 steps, including 2 resets, run finished after 2 ms. (steps per millisecond=50 ) properties (out of 142) seen :0
Incomplete Best-First random walk after 101 steps, including 2 resets, run finished after 2 ms. (steps per millisecond=50 ) properties (out of 142) seen :0
Incomplete Best-First random walk after 101 steps, including 2 resets, run finished after 2 ms. (steps per millisecond=50 ) properties (out of 142) seen :0
Incomplete Best-First random walk after 101 steps, including 2 resets, run finished after 2 ms. (steps per millisecond=50 ) properties (out of 142) seen :0
Incomplete Best-First random walk after 101 steps, including 2 resets, run finished after 2 ms. (steps per millisecond=50 ) properties (out of 142) seen :0
Incomplete Best-First random walk after 101 steps, including 2 resets, run finished after 2 ms. (steps per millisecond=50 ) properties (out of 142) seen :0
Incomplete Best-First random walk after 101 steps, including 2 resets, run finished after 2 ms. (steps per millisecond=50 ) properties (out of 142) seen :0
Incomplete Best-First random walk after 101 steps, including 2 resets, run finished after 1 ms. (steps per millisecond=101 ) properties (out of 142) seen :0
Incomplete Best-First random walk after 101 steps, including 2 resets, run finished after 1 ms. (steps per millisecond=101 ) properties (out of 142) seen :0
Incomplete Best-First random walk after 101 steps, including 2 resets, run finished after 2 ms. (steps per millisecond=50 ) properties (out of 142) seen :0
Incomplete Best-First random walk after 101 steps, including 2 resets, run finished after 1 ms. (steps per millisecond=101 ) properties (out of 142) seen :0
Incomplete Best-First random walk after 101 steps, including 2 resets, run finished after 2 ms. (steps per millisecond=50 ) properties (out of 142) seen :0
Incomplete Best-First random walk after 101 steps, including 2 resets, run finished after 2 ms. (steps per millisecond=50 ) properties (out of 142) seen :0
Incomplete Best-First random walk after 101 steps, including 2 resets, run finished after 2 ms. (steps per millisecond=50 ) properties (out of 142) seen :0
Incomplete Best-First random walk after 101 steps, including 2 resets, run finished after 1 ms. (steps per millisecond=101 ) properties (out of 142) seen :0
Incomplete Best-First random walk after 101 steps, including 2 resets, run finished after 2 ms. (steps per millisecond=50 ) properties (out of 142) seen :0
Incomplete Best-First random walk after 101 steps, including 2 resets, run finished after 1 ms. (steps per millisecond=101 ) properties (out of 142) seen :0
Incomplete Best-First random walk after 101 steps, including 2 resets, run finished after 2 ms. (steps per millisecond=50 ) properties (out of 142) seen :0
Incomplete Best-First random walk after 101 steps, including 2 resets, run finished after 2 ms. (steps per millisecond=50 ) properties (out of 142) seen :0
Incomplete Best-First random walk after 101 steps, including 2 resets, run finished after 2 ms. (steps per millisecond=50 ) properties (out of 142) seen :0
Incomplete Best-First random walk after 101 steps, including 2 resets, run finished after 2 ms. (steps per millisecond=50 ) properties (out of 142) seen :0
Incomplete Best-First random walk after 101 steps, including 2 resets, run finished after 1 ms. (steps per millisecond=101 ) properties (out of 142) seen :0
Incomplete Best-First random walk after 101 steps, including 2 resets, run finished after 2 ms. (steps per millisecond=50 ) properties (out of 142) seen :0
Incomplete Best-First random walk after 101 steps, including 2 resets, run finished after 2 ms. (steps per millisecond=50 ) properties (out of 142) seen :0
Incomplete Best-First random walk after 101 steps, including 2 resets, run finished after 2 ms. (steps per millisecond=50 ) properties (out of 142) seen :0
Incomplete Best-First random walk after 101 steps, including 2 resets, run finished after 2 ms. (steps per millisecond=50 ) properties (out of 142) seen :0
Incomplete Best-First random walk after 101 steps, including 2 resets, run finished after 1 ms. (steps per millisecond=101 ) properties (out of 142) seen :0
Incomplete Best-First random walk after 101 steps, including 2 resets, run finished after 2 ms. (steps per millisecond=50 ) properties (out of 142) seen :0
Incomplete Best-First random walk after 101 steps, including 3 resets, run finished after 2 ms. (steps per millisecond=50 ) properties (out of 142) seen :0
Running SMT prover for 142 properties.
[2023-03-21 10:36:20] [INFO ] Flow matrix only has 296 transitions (discarded 12 similar events)
[2023-03-21 10:36:20] [INFO ] Invariant cache hit.
[2023-03-21 10:36:22] [INFO ] [Real]Absence check using 5 positive place invariants in 3 ms returned sat
[2023-03-21 10:36:25] [INFO ] After 3208ms SMT Verify possible using state equation in real domain returned unsat :0 sat :15 real:127
[2023-03-21 10:36:25] [INFO ] State equation strengthened by 40 read => feed constraints.
[2023-03-21 10:36:26] [INFO ] After 377ms SMT Verify possible using 40 Read/Feed constraints in real domain returned unsat :0 sat :0 real:142
[2023-03-21 10:36:26] [INFO ] After 4728ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:142
[2023-03-21 10:36:26] [INFO ] [Nat]Absence check using 5 positive place invariants in 4 ms returned sat
[2023-03-21 10:36:29] [INFO ] After 2884ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :142
[2023-03-21 10:36:32] [INFO ] After 2617ms SMT Verify possible using 40 Read/Feed constraints in natural domain returned unsat :0 sat :142
[2023-03-21 10:36:36] [INFO ] Deduced a trap composed of 24 places in 146 ms of which 10 ms to minimize.
[2023-03-21 10:36:36] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 172 ms
[2023-03-21 10:36:36] [INFO ] Deduced a trap composed of 25 places in 165 ms of which 2 ms to minimize.
[2023-03-21 10:36:36] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 201 ms
[2023-03-21 10:36:36] [INFO ] After 6707ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :142
Attempting to minimize the solution found.
Minimization took 2775 ms.
[2023-03-21 10:36:39] [INFO ] After 13321ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :142
Parikh walk visited 0 properties in 49 ms.
Support contains 36 out of 66 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 66/66 places, 308/308 transitions.
Graph (complete) has 323 edges and 66 vertex of which 63 are kept as prefixes of interest. Removing 3 places using SCC suffix rule.5 ms
Discarding 3 places :
Also discarding 3 output transitions
Drop transitions removed 3 transitions
Drop transitions removed 12 transitions
Reduce isomorphic transitions removed 12 transitions.
Iterating post reduction 0 with 12 rules applied. Total rules applied 13 place count 63 transition count 293
Discarding 6 places :
Symmetric choice reduction at 1 with 6 rule applications. Total rules 19 place count 57 transition count 272
Iterating global reduction 1 with 6 rules applied. Total rules applied 25 place count 57 transition count 272
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 1 with 1 rules applied. Total rules applied 26 place count 57 transition count 271
Discarding 3 places :
Symmetric choice reduction at 2 with 3 rule applications. Total rules 29 place count 54 transition count 265
Iterating global reduction 2 with 3 rules applied. Total rules applied 32 place count 54 transition count 265
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 2 with 2 rules applied. Total rules applied 34 place count 53 transition count 264
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 2 with 1 rules applied. Total rules applied 35 place count 53 transition count 263
Drop transitions removed 12 transitions
Redundant transition composition rules discarded 12 transitions
Iterating global reduction 3 with 12 rules applied. Total rules applied 47 place count 53 transition count 251
Applied a total of 47 rules in 119 ms. Remains 53 /66 variables (removed 13) and now considering 251/308 (removed 57) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 119 ms. Remains : 53/66 places, 251/308 transitions.
Finished random walk after 233268 steps, including 32202 resets, run visited all 142 properties in 5539 ms. (steps per millisecond=42 )
Able to resolve query QuasiLiveness after proving 217 properties.
FORMULA QuasiLiveness TRUE TECHNIQUES RANDOM_WALK TOPOLOGICAL INITIAL_STATE
Total runtime 27526 ms.
ITS solved all properties within timeout

BK_STOP 1679395006349

--------------------
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 QuasiLiveness -timeout 180 -rebuildPNML

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="StigmergyElection-PT-04b"
export BK_EXAMINATION="QuasiLiveness"
export BK_TOOL="lolaxred"
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 2-5348"
echo " Executing tool lolaxred"
echo " Input is StigmergyElection-PT-04b, 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 r469-smll-167912658700372"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/StigmergyElection-PT-04b.tgz
mv StigmergyElection-PT-04b 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 ;