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.r005-oct2-167813592900311.qcow2', fmt=qcow2 cluster_size=65536 extended_l2=off compression_type=zlib size=4294967296 backing_file=/data/fkordon/mcc2023-input.qcow2 backing_fmt=qcow2 lazy_refcounts=off refcount_bits=16
Waiting for the VM to be ready (probing ssh)
......................
=====================================================================
Generated by BenchKit 2-5348
Executing tool itstools
Input is AirplaneLD-PT-4000, examination is ReachabilityFireability
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r005-oct2-167813592900311
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 89M
-rw-r--r-- 1 mcc users 2.8M Feb 26 15:13 CTLCardinality.txt
-rw-r--r-- 1 mcc users 8.9M Feb 26 15:13 CTLCardinality.xml
-rw-r--r-- 1 mcc users 1.6M Feb 26 13:29 CTLFireability.txt
-rw-r--r-- 1 mcc users 8.7M Feb 26 13:29 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K Jan 29 11:40 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 6.5K Jan 29 11:40 GenericPropertiesVerdict.xml
-rw-r--r-- 1 mcc users 734K Feb 25 15:31 LTLCardinality.txt
-rw-r--r-- 1 mcc users 1.7M Feb 25 15:31 LTLCardinality.xml
-rw-r--r-- 1 mcc users 1.1M Feb 25 15:31 LTLFireability.txt
-rw-r--r-- 1 mcc users 4.1M Feb 25 15:31 LTLFireability.xml
-rw-r--r-- 1 mcc users 5.3M Feb 26 19:56 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 17M Feb 26 19:56 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 3.0M Feb 26 17:42 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 17M Feb 26 17:42 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 191K Feb 25 15:31 UpperBounds.txt
-rw-r--r-- 1 mcc users 358K Feb 25 15:31 UpperBounds.xml
-rw-r--r-- 1 mcc users 5 Mar 5 18:22 equiv_col
-rw-r--r-- 1 mcc users 5 Mar 5 18:22 instance
-rw-r--r-- 1 mcc users 6 Mar 5 18:22 iscolored
-rw-r--r-- 1 mcc users 18M Mar 5 18:22 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 AirplaneLD-PT-4000-ReachabilityFireability-00
FORMULA_NAME AirplaneLD-PT-4000-ReachabilityFireability-01
FORMULA_NAME AirplaneLD-PT-4000-ReachabilityFireability-02
FORMULA_NAME AirplaneLD-PT-4000-ReachabilityFireability-03
FORMULA_NAME AirplaneLD-PT-4000-ReachabilityFireability-04
FORMULA_NAME AirplaneLD-PT-4000-ReachabilityFireability-05
FORMULA_NAME AirplaneLD-PT-4000-ReachabilityFireability-06
FORMULA_NAME AirplaneLD-PT-4000-ReachabilityFireability-07
FORMULA_NAME AirplaneLD-PT-4000-ReachabilityFireability-08
FORMULA_NAME AirplaneLD-PT-4000-ReachabilityFireability-09
FORMULA_NAME AirplaneLD-PT-4000-ReachabilityFireability-10
FORMULA_NAME AirplaneLD-PT-4000-ReachabilityFireability-11
FORMULA_NAME AirplaneLD-PT-4000-ReachabilityFireability-12
FORMULA_NAME AirplaneLD-PT-4000-ReachabilityFireability-13
FORMULA_NAME AirplaneLD-PT-4000-ReachabilityFireability-14
FORMULA_NAME AirplaneLD-PT-4000-ReachabilityFireability-15

=== Now, execution of the tool begins

BK_START 1678508675534

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=itstools
BK_EXAMINATION=ReachabilityFireability
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=AirplaneLD-PT-4000
Not applying reductions.
Model is PT
ReachabilityFireability PT
Running Version 202303021504
[2023-03-11 04:24:37] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, ReachabilityFireability, -its, -ltsmin, -greatspnpath, /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/, -order, META, -manyOrder, -smt, -timeout, 3600]
[2023-03-11 04:24:38] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2023-03-11 04:24:39] [INFO ] Load time of PNML (sax parser for PT used): 1008 ms
[2023-03-11 04:24:39] [INFO ] Transformed 28019 places.
[2023-03-11 04:24:39] [INFO ] Transformed 32008 transitions.
[2023-03-11 04:24:39] [INFO ] Parsed PT model containing 28019 places and 32008 transitions and 122028 arcs in 1332 ms.
Parsed 16 properties from file /home/mcc/execution/ReachabilityFireability.xml in 280 ms.
Working with output stream class java.io.PrintStream
Reduce places removed 12002 places and 0 transitions.
FORMULA AirplaneLD-PT-4000-ReachabilityFireability-04 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
[2023-03-11 04:24:42] [INFO ] Flatten gal took : 1421 ms
[2023-03-11 04:24:43] [INFO ] Flatten gal took : 950 ms
[2023-03-11 04:24:43] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality17177757642355976213.gal : 301 ms
[2023-03-11 04:24:43] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality12365377586696883795.prop : 44 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202303021504/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality17177757642355976213.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality12365377586696883795.prop' '--nowitness' '--gen-order' 'FOLLOW'

its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202303021504/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...330
Loading property file /tmp/ReachabilityCardinality12365377586696883795.prop.
Incomplete random walk after 10000 steps, including 1264 resets, run finished after 26928 ms. (steps per millisecond=0 ) properties (out of 15) seen :6
FORMULA AirplaneLD-PT-4000-ReachabilityFireability-13 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA AirplaneLD-PT-4000-ReachabilityFireability-07 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA AirplaneLD-PT-4000-ReachabilityFireability-06 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA AirplaneLD-PT-4000-ReachabilityFireability-03 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA AirplaneLD-PT-4000-ReachabilityFireability-01 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA AirplaneLD-PT-4000-ReachabilityFireability-00 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
Incomplete Best-First random walk after 10001 steps, including 0 resets, run finished after 2017 ms. (steps per millisecond=4 ) properties (out of 9) seen :0
Interrupted Best-First random walk after 9001 steps, including 0 resets, run timeout after 5545 ms. (steps per millisecond=1 ) properties seen 0
Incomplete Best-First random walk after 10001 steps, including 0 resets, run finished after 12 ms. (steps per millisecond=833 ) properties (out of 9) seen :0
Incomplete Best-First random walk after 10001 steps, including 0 resets, run finished after 44 ms. (steps per millisecond=227 ) properties (out of 9) seen :0
Incomplete Best-First random walk after 10001 steps, including 0 resets, run finished after 12 ms. (steps per millisecond=833 ) properties (out of 9) seen :0
Incomplete Best-First random walk after 10001 steps, including 0 resets, run finished after 9 ms. (steps per millisecond=1111 ) properties (out of 9) seen :0
Incomplete Best-First random walk after 10001 steps, including 0 resets, run finished after 11 ms. (steps per millisecond=909 ) properties (out of 9) seen :0
Incomplete Best-First random walk after 10001 steps, including 0 resets, run finished after 25 ms. (steps per millisecond=400 ) properties (out of 9) seen :0
Incomplete Best-First random walk after 10001 steps, including 0 resets, run finished after 9 ms. (steps per millisecond=1111 ) properties (out of 9) seen :0
Running SMT prover for 9 properties.
// Phase 1: matrix 32008 rows 16017 cols
[2023-03-11 04:25:40] [INFO ] Computed 3 place invariants in 25424 ms
[2023-03-11 04:25:45] [INFO ] [Real]Absence check using 2 positive place invariants in 12 ms returned sat
[2023-03-11 04:25:45] [INFO ] [Real]Absence check using 2 positive and 1 generalized place invariants in 4 ms returned sat
[2023-03-11 04:25:46] [INFO ] After 5751ms SMT Verify possible using all constraints in real domain returned unsat :2 sat :0 real:7
[2023-03-11 04:25:50] [INFO ] [Nat]Absence check using 2 positive place invariants in 17 ms returned sat
[2023-03-11 04:25:50] [INFO ] [Nat]Absence check using 2 positive and 1 generalized place invariants in 4 ms returned sat
[2023-03-11 04:26:11] [INFO ] After 19068ms SMT Verify possible using state equation in natural domain returned unsat :3 sat :5
[2023-03-11 04:26:11] [INFO ] After 19147ms SMT Verify possible using trap constraints in natural domain returned unsat :3 sat :5
Attempting to minimize the solution found.
Minimization took 17 ms.
[2023-03-11 04:26:11] [INFO ] After 25139ms SMT Verify possible using all constraints in natural domain returned unsat :3 sat :5
FORMULA AirplaneLD-PT-4000-ReachabilityFireability-14 FALSE TECHNIQUES STRUCTURAL_REDUCTION TOPOLOGICAL SAT_SMT
FORMULA AirplaneLD-PT-4000-ReachabilityFireability-12 FALSE TECHNIQUES STRUCTURAL_REDUCTION TOPOLOGICAL SAT_SMT
FORMULA AirplaneLD-PT-4000-ReachabilityFireability-02 TRUE TECHNIQUES STRUCTURAL_REDUCTION TOPOLOGICAL SAT_SMT
Fused 9 Parikh solutions to 1 different solutions.
Parikh walk visited 0 properties in 0 ms.
Support contains 8035 out of 16017 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 16017/16017 places, 32008/32008 transitions.
Graph (complete) has 42023 edges and 16017 vertex of which 16014 are kept as prefixes of interest. Removing 3 places using SCC suffix rule.56 ms
Discarding 3 places :
Also discarding 0 output transitions
Discarding 7976 places :
Symmetric choice reduction at 0 with 7976 rule applications. Total rules 7977 place count 8038 transition count 24032
Iterating global reduction 0 with 7976 rules applied. Total rules applied 15953 place count 8038 transition count 24032
Ensure Unique test removed 7976 transitions
Reduce isomorphic transitions removed 7976 transitions.
Iterating post reduction 0 with 7976 rules applied. Total rules applied 23929 place count 8038 transition count 16056
Applied a total of 23929 rules in 2500 ms. Remains 8038 /16017 variables (removed 7979) and now considering 16056/32008 (removed 15952) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 2506 ms. Remains : 8038/16017 places, 16056/32008 transitions.
Incomplete random walk after 10000 steps, including 1237 resets, run finished after 10393 ms. (steps per millisecond=0 ) properties (out of 6) seen :1
FORMULA AirplaneLD-PT-4000-ReachabilityFireability-15 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
Interrupted Best-First random walk after 8001 steps, including 0 resets, run timeout after 5035 ms. (steps per millisecond=1 ) properties seen 0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 13 ms. (steps per millisecond=769 ) properties (out of 5) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 28 ms. (steps per millisecond=357 ) properties (out of 5) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 10 ms. (steps per millisecond=1000 ) properties (out of 5) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 11 ms. (steps per millisecond=909 ) properties (out of 5) seen :0
Running SMT prover for 5 properties.
// Phase 1: matrix 16056 rows 8038 cols
[2023-03-11 04:26:34] [INFO ] Computed 1 place invariants in 4494 ms
[2023-03-11 04:26:50] [INFO ] [Real]Absence check using 0 positive and 1 generalized place invariants in 4 ms returned sat
[2023-03-11 04:26:51] [INFO ] After 2499ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:5
[2023-03-11 04:26:53] [INFO ] [Nat]Absence check using 0 positive and 1 generalized place invariants in 4 ms returned sat
[2023-03-11 04:27:16] [INFO ] After 21848ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :3
[2023-03-11 04:27:16] [INFO ] After 21879ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :3
Attempting to minimize the solution found.
Minimization took 6 ms.
[2023-03-11 04:27:16] [INFO ] After 25090ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :3
Fused 5 Parikh solutions to 2 different solutions.
FORMULA AirplaneLD-PT-4000-ReachabilityFireability-08 TRUE TECHNIQUES TOPOLOGICAL PARIKH_WALK
FORMULA AirplaneLD-PT-4000-ReachabilityFireability-05 TRUE TECHNIQUES TOPOLOGICAL PARIKH_WALK
Parikh walk visited 2 properties in 37 ms.
Support contains 43 out of 8038 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 8038/8038 places, 16056/16056 transitions.
Graph (complete) has 14036 edges and 8038 vertex of which 8036 are kept as prefixes of interest. Removing 2 places using SCC suffix rule.9 ms
Discarding 2 places :
Also discarding 0 output transitions
Drop transitions removed 4 transitions
Reduce isomorphic transitions removed 4 transitions.
Iterating post reduction 0 with 4 rules applied. Total rules applied 5 place count 8036 transition count 16052
Performed 3 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 1 with 3 Pre rules applied. Total rules applied 5 place count 8036 transition count 16049
Deduced a syphon composed of 3 places in 5 ms
Ensure Unique test removed 2 places
Reduce places removed 5 places and 0 transitions.
Iterating global reduction 1 with 8 rules applied. Total rules applied 13 place count 8031 transition count 16049
Discarding 7982 places :
Symmetric choice reduction at 1 with 7982 rule applications. Total rules 7995 place count 49 transition count 8067
Iterating global reduction 1 with 7982 rules applied. Total rules applied 15977 place count 49 transition count 8067
Ensure Unique test removed 7982 transitions
Reduce isomorphic transitions removed 7982 transitions.
Iterating post reduction 1 with 7982 rules applied. Total rules applied 23959 place count 49 transition count 85
Applied a total of 23959 rules in 391 ms. Remains 49 /8038 variables (removed 7989) and now considering 85/16056 (removed 15971) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 392 ms. Remains : 49/8038 places, 85/16056 transitions.
Incomplete random walk after 10000 steps, including 1502 resets, run finished after 24 ms. (steps per millisecond=416 ) properties (out of 3) seen :2
FORMULA AirplaneLD-PT-4000-ReachabilityFireability-11 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA AirplaneLD-PT-4000-ReachabilityFireability-09 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
Incomplete Best-First random walk after 10001 steps, including 85 resets, run finished after 9 ms. (steps per millisecond=1111 ) properties (out of 1) seen :0
Running SMT prover for 1 properties.
// Phase 1: matrix 85 rows 49 cols
[2023-03-11 04:27:16] [INFO ] Computed 1 place invariants in 1 ms
[2023-03-11 04:27:16] [INFO ] [Real]Absence check using 0 positive and 1 generalized place invariants in 1 ms returned sat
[2023-03-11 04:27:16] [INFO ] After 80ms SMT Verify possible using all constraints in real domain returned unsat :1 sat :0
FORMULA AirplaneLD-PT-4000-ReachabilityFireability-10 FALSE TECHNIQUES STRUCTURAL_REDUCTION TOPOLOGICAL SAT_SMT
Fused 1 Parikh solutions to 0 different solutions.
Parikh walk visited 0 properties in 0 ms.
ITS runner failed with exception null
java.lang.InterruptedException
at java.base/java.lang.Object.wait(Native Method)
at java.base/java.lang.Thread.join(Thread.java:1304)
at java.base/java.lang.Thread.join(Thread.java:1372)
at fr.lip6.move.gal.application.runner.AbstractRunner.join(AbstractRunner.java:27)
at fr.lip6.move.gal.application.runner.its.ITSRunner.join(ITSRunner.java:177)
at fr.lip6.move.gal.application.solver.global.GlobalPropertySolver.verifyWithSDD(GlobalPropertySolver.java:675)
at fr.lip6.move.gal.application.solver.ReachabilitySolver.lambda$2(ReachabilitySolver.java:63)
at java.base/java.lang.Thread.run(Thread.java:833)
All properties solved without resorting to model-checking.
Total runtime 158962 ms.

BK_STOP 1678508837466

--------------------
content from stderr:

+ export BINDIR=/home/mcc/BenchKit/bin//../itstools/bin//../
+ BINDIR=/home/mcc/BenchKit/bin//../itstools/bin//../
++ pwd
+ export MODEL=/home/mcc/execution
+ MODEL=/home/mcc/execution
+ [[ ReachabilityFireability = StateSpace ]]
+ /home/mcc/BenchKit/bin//../itstools/bin//..//runeclipse.sh /home/mcc/execution ReachabilityFireability -its -ltsmin -greatspnpath /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/ -order META -manyOrder -smt -timeout 3600
+ 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//../itstools/bin//..//itstools/plugins/fr.lip6.move.gal.application.pnmcc_1.0.0.202303021504.jar
+ VERSION=202303021504
+ echo 'Running Version 202303021504'
+ /home/mcc/BenchKit/bin//../itstools/bin//..//itstools/its-tools -pnfolder /home/mcc/execution -examination ReachabilityFireability -its -ltsmin -greatspnpath /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/ -order META -manyOrder -smt -timeout 3600

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="AirplaneLD-PT-4000"
export BK_EXAMINATION="ReachabilityFireability"
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 2-5348"
echo " Executing tool itstools"
echo " Input is AirplaneLD-PT-4000, examination is ReachabilityFireability"
echo " Time confinement is $BK_TIME_CONFINEMENT seconds"
echo " Memory confinement is 16384 MBytes"
echo " Number of cores is 4"
echo " Run identifier is r005-oct2-167813592900311"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/AirplaneLD-PT-4000.tgz
mv AirplaneLD-PT-4000 execution
cd execution
if [ "ReachabilityFireability" = "ReachabilityDeadlock" ] || [ "ReachabilityFireability" = "UpperBounds" ] || [ "ReachabilityFireability" = "QuasiLiveness" ] || [ "ReachabilityFireability" = "StableMarking" ] || [ "ReachabilityFireability" = "Liveness" ] || [ "ReachabilityFireability" = "OneSafe" ] || [ "ReachabilityFireability" = "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 [ "ReachabilityFireability" = "UpperBounds" ] ; then
echo "The expected result is a vector of positive values"
echo NUM_VECTOR
elif [ "ReachabilityFireability" != "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 "ReachabilityFireability.txt" ] ; then
echo "here is the order used to build the result vector(from text file)"
for x in $(grep Property ReachabilityFireability.txt | cut -d ' ' -f 2 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ -f "ReachabilityFireability.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 '' ReachabilityFireability.xml | cut -d '>' -f 2 | cut -d '<' -f 1 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ "ReachabilityFireability" = "ReachabilityDeadlock" ] || [ "ReachabilityFireability" = "QuasiLiveness" ] || [ "ReachabilityFireability" = "StableMarking" ] || [ "ReachabilityFireability" = "Liveness" ] || [ "ReachabilityFireability" = "OneSafe" ] ; then
echo "FORMULA_NAME ReachabilityFireability"
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 ;