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.r361-smll-167891811200294.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)
..............................................................................................................................................................
=====================================================================
Generated by BenchKit 2-5348
Executing tool ltsminxred
Input is SafeBus-PT-20, examination is ReachabilityCardinality
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r361-smll-167891811200294
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 21M
-rw-r--r-- 1 mcc users 94K Feb 26 02:45 CTLCardinality.txt
-rw-r--r-- 1 mcc users 478K Feb 26 02:45 CTLCardinality.xml
-rw-r--r-- 1 mcc users 709K Feb 26 02:36 CTLFireability.txt
-rw-r--r-- 1 mcc users 2.9M Feb 26 02:36 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K Jan 29 11:41 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 6.5K Jan 29 11:41 GenericPropertiesVerdict.xml
-rw-r--r-- 1 mcc users 38K Feb 25 16:49 LTLCardinality.txt
-rw-r--r-- 1 mcc users 150K Feb 25 16:49 LTLCardinality.xml
-rw-r--r-- 1 mcc users 102K Feb 25 16:49 LTLFireability.txt
-rw-r--r-- 1 mcc users 391K Feb 25 16:49 LTLFireability.xml
-rw-r--r-- 1 mcc users 85K Feb 26 04:06 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 483K Feb 26 04:06 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 1.5M Feb 26 04:00 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 5.8M Feb 26 04:00 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 7.0K Feb 25 16:49 UpperBounds.txt
-rw-r--r-- 1 mcc users 20K Feb 25 16:49 UpperBounds.xml
-rw-r--r-- 1 mcc users 5 Mar 5 18:23 equiv_col
-rw-r--r-- 1 mcc users 3 Mar 5 18:23 instance
-rw-r--r-- 1 mcc users 6 Mar 5 18:23 iscolored
-rw-r--r-- 1 mcc users 7.8M 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

here is the order used to build the result vector(from text file)
FORMULA_NAME SafeBus-PT-20-ReachabilityCardinality-00
FORMULA_NAME SafeBus-PT-20-ReachabilityCardinality-01
FORMULA_NAME SafeBus-PT-20-ReachabilityCardinality-02
FORMULA_NAME SafeBus-PT-20-ReachabilityCardinality-03
FORMULA_NAME SafeBus-PT-20-ReachabilityCardinality-04
FORMULA_NAME SafeBus-PT-20-ReachabilityCardinality-05
FORMULA_NAME SafeBus-PT-20-ReachabilityCardinality-06
FORMULA_NAME SafeBus-PT-20-ReachabilityCardinality-07
FORMULA_NAME SafeBus-PT-20-ReachabilityCardinality-08
FORMULA_NAME SafeBus-PT-20-ReachabilityCardinality-09
FORMULA_NAME SafeBus-PT-20-ReachabilityCardinality-10
FORMULA_NAME SafeBus-PT-20-ReachabilityCardinality-11
FORMULA_NAME SafeBus-PT-20-ReachabilityCardinality-12
FORMULA_NAME SafeBus-PT-20-ReachabilityCardinality-13
FORMULA_NAME SafeBus-PT-20-ReachabilityCardinality-14
FORMULA_NAME SafeBus-PT-20-ReachabilityCardinality-15

=== Now, execution of the tool begins

BK_START 1679185580951

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=ltsminxred
BK_EXAMINATION=ReachabilityCardinality
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=SafeBus-PT-20
Applying reductions before tool ltsmin
Invoking reducer
Running Version 202303021504
[2023-03-19 00:26:24] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, ReachabilityCardinality, -timeout, 360, -rebuildPNML]
[2023-03-19 00:26:24] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2023-03-19 00:26:25] [INFO ] Load time of PNML (sax parser for PT used): 949 ms
[2023-03-19 00:26:25] [INFO ] Transformed 1026 places.
[2023-03-19 00:26:25] [INFO ] Transformed 10461 transitions.
[2023-03-19 00:26:25] [INFO ] Parsed PT model containing 1026 places and 10461 transitions and 77364 arcs in 1174 ms.
Parsed 16 properties from file /home/mcc/execution/ReachabilityCardinality.xml in 68 ms.
Working with output stream class java.io.PrintStream
Reduce places removed 20 places and 0 transitions.
Incomplete random walk after 10000 steps, including 2 resets, run finished after 1671 ms. (steps per millisecond=5 ) properties (out of 16) seen :4
FORMULA SafeBus-PT-20-ReachabilityCardinality-13 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA SafeBus-PT-20-ReachabilityCardinality-12 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA SafeBus-PT-20-ReachabilityCardinality-09 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA SafeBus-PT-20-ReachabilityCardinality-06 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 147 ms. (steps per millisecond=68 ) properties (out of 12) seen :0
Incomplete Best-First random walk after 10000 steps, including 2 resets, run finished after 245 ms. (steps per millisecond=40 ) properties (out of 12) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 253 ms. (steps per millisecond=39 ) properties (out of 12) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 181 ms. (steps per millisecond=55 ) properties (out of 12) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 512 ms. (steps per millisecond=19 ) properties (out of 12) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 817 ms. (steps per millisecond=12 ) properties (out of 12) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 264 ms. (steps per millisecond=37 ) properties (out of 12) seen :0
Incomplete Best-First random walk after 10000 steps, including 2 resets, run finished after 206 ms. (steps per millisecond=48 ) properties (out of 12) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 225 ms. (steps per millisecond=44 ) properties (out of 12) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 229 ms. (steps per millisecond=43 ) properties (out of 12) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 226 ms. (steps per millisecond=44 ) properties (out of 12) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 233 ms. (steps per millisecond=42 ) properties (out of 12) seen :0
Running SMT prover for 12 properties.
[2023-03-19 00:26:31] [INFO ] Flow matrix only has 2482 transitions (discarded 7979 similar events)
// Phase 1: matrix 2482 rows 1006 cols
[2023-03-19 00:26:31] [INFO ] Computed 85 place invariants in 280 ms
[2023-03-19 00:26:34] [INFO ] [Real]Absence check using 44 positive place invariants in 59 ms returned sat
[2023-03-19 00:26:34] [INFO ] [Real]Absence check using 44 positive and 41 generalized place invariants in 53 ms returned sat
[2023-03-19 00:26:34] [INFO ] After 1160ms SMT Verify possible using all constraints in real domain returned unsat :3 sat :0 real:9
[2023-03-19 00:26:35] [INFO ] [Nat]Absence check using 44 positive place invariants in 47 ms returned sat
[2023-03-19 00:26:35] [INFO ] [Nat]Absence check using 44 positive and 41 generalized place invariants in 39 ms returned sat
[2023-03-19 00:26:38] [INFO ] After 2305ms SMT Verify possible using state equation in natural domain returned unsat :11 sat :1
[2023-03-19 00:26:38] [INFO ] State equation strengthened by 421 read => feed constraints.
[2023-03-19 00:26:40] [INFO ] After 2101ms SMT Verify possible using 421 Read/Feed constraints in natural domain returned unsat :11 sat :1
[2023-03-19 00:26:42] [INFO ] After 4353ms SMT Verify possible using trap constraints in natural domain returned unsat :11 sat :1
Attempting to minimize the solution found.
Minimization took 927 ms.
[2023-03-19 00:26:43] [INFO ] After 8708ms SMT Verify possible using all constraints in natural domain returned unsat :11 sat :1
FORMULA SafeBus-PT-20-ReachabilityCardinality-14 FALSE TECHNIQUES STRUCTURAL_REDUCTION TOPOLOGICAL SAT_SMT
FORMULA SafeBus-PT-20-ReachabilityCardinality-11 FALSE TECHNIQUES STRUCTURAL_REDUCTION TOPOLOGICAL SAT_SMT
FORMULA SafeBus-PT-20-ReachabilityCardinality-10 TRUE TECHNIQUES STRUCTURAL_REDUCTION TOPOLOGICAL SAT_SMT
FORMULA SafeBus-PT-20-ReachabilityCardinality-08 FALSE TECHNIQUES STRUCTURAL_REDUCTION TOPOLOGICAL SAT_SMT
FORMULA SafeBus-PT-20-ReachabilityCardinality-07 FALSE TECHNIQUES STRUCTURAL_REDUCTION TOPOLOGICAL SAT_SMT
FORMULA SafeBus-PT-20-ReachabilityCardinality-05 FALSE TECHNIQUES STRUCTURAL_REDUCTION TOPOLOGICAL SAT_SMT
FORMULA SafeBus-PT-20-ReachabilityCardinality-04 FALSE TECHNIQUES STRUCTURAL_REDUCTION TOPOLOGICAL SAT_SMT
FORMULA SafeBus-PT-20-ReachabilityCardinality-03 TRUE TECHNIQUES STRUCTURAL_REDUCTION TOPOLOGICAL SAT_SMT
FORMULA SafeBus-PT-20-ReachabilityCardinality-02 TRUE TECHNIQUES STRUCTURAL_REDUCTION TOPOLOGICAL SAT_SMT
FORMULA SafeBus-PT-20-ReachabilityCardinality-01 FALSE TECHNIQUES STRUCTURAL_REDUCTION TOPOLOGICAL SAT_SMT
FORMULA SafeBus-PT-20-ReachabilityCardinality-00 TRUE TECHNIQUES STRUCTURAL_REDUCTION TOPOLOGICAL SAT_SMT
Fused 12 Parikh solutions to 1 different solutions.
Parikh walk visited 0 properties in 9 ms.
Support contains 54 out of 1006 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 1006/1006 places, 10461/10461 transitions.
Free-agglomeration rule (complex) applied 17 times.
Iterating global reduction 0 with 17 rules applied. Total rules applied 17 place count 1006 transition count 10444
Reduce places removed 17 places and 0 transitions.
Iterating post reduction 0 with 17 rules applied. Total rules applied 34 place count 989 transition count 10444
Applied a total of 34 rules in 13687 ms. Remains 989 /1006 variables (removed 17) and now considering 10444/10461 (removed 17) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 13694 ms. Remains : 989/1006 places, 10444/10461 transitions.
Incomplete random walk after 10000 steps, including 2 resets, run finished after 423 ms. (steps per millisecond=23 ) properties (out of 1) seen :0
Finished Best-First random walk after 7025 steps, including 2 resets, run visited all 1 properties in 86 ms. (steps per millisecond=81 )
FORMULA SafeBus-PT-20-ReachabilityCardinality-15 FALSE TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
All properties solved without resorting to model-checking.
Total runtime 33250 ms.
pnml2lts-sym model.pnml --lace-workers=4 --vset=lddmc --saturation=sat -rbs,w2W,ru,hf --sylvan-sizes=20,28,20,28 --invariant=/tmp/465/inv_0_ --invariant=/tmp/465/inv_1_ --invariant=/tmp/465/inv_2_ --invariant=/tmp/465/inv_3_ --invariant=/tmp/465/inv_4_ --invariant=/tmp/465/inv_5_ --invariant=/tmp/465/inv_6_ --invariant=/tmp/465/inv_7_ --invariant=/tmp/465/inv_8_ --invariant=/tmp/465/inv_9_ --invariant=/tmp/465/inv_10_ --invariant=/tmp/465/inv_11_ --invariant=/tmp/465/inv_12_ --invariant=/tmp/465/inv_13_ --invariant=/tmp/465/inv_14_ --invariant=/tmp/465/inv_15_ --inv-par
Could not compute solution for formula : SafeBus-PT-20-ReachabilityCardinality-00
Could not compute solution for formula : SafeBus-PT-20-ReachabilityCardinality-01
Could not compute solution for formula : SafeBus-PT-20-ReachabilityCardinality-02
Could not compute solution for formula : SafeBus-PT-20-ReachabilityCardinality-03
Could not compute solution for formula : SafeBus-PT-20-ReachabilityCardinality-04
Could not compute solution for formula : SafeBus-PT-20-ReachabilityCardinality-05
Could not compute solution for formula : SafeBus-PT-20-ReachabilityCardinality-06
Could not compute solution for formula : SafeBus-PT-20-ReachabilityCardinality-07
Could not compute solution for formula : SafeBus-PT-20-ReachabilityCardinality-08
Could not compute solution for formula : SafeBus-PT-20-ReachabilityCardinality-09
Could not compute solution for formula : SafeBus-PT-20-ReachabilityCardinality-10
Could not compute solution for formula : SafeBus-PT-20-ReachabilityCardinality-11
Could not compute solution for formula : SafeBus-PT-20-ReachabilityCardinality-12
Could not compute solution for formula : SafeBus-PT-20-ReachabilityCardinality-13
Could not compute solution for formula : SafeBus-PT-20-ReachabilityCardinality-14
Could not compute solution for formula : SafeBus-PT-20-ReachabilityCardinality-15

BK_STOP 1679185701556

--------------------
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 ReachabilityCardinality -timeout 360 -rebuildPNML
mcc2023
rfs formula name SafeBus-PT-20-ReachabilityCardinality-00
rfs formula type AG
rfs formula formula --invariant=/tmp/465/inv_0_
rfs formula name SafeBus-PT-20-ReachabilityCardinality-01
rfs formula type EF
rfs formula formula --invariant=/tmp/465/inv_1_
rfs formula name SafeBus-PT-20-ReachabilityCardinality-02
rfs formula type AG
rfs formula formula --invariant=/tmp/465/inv_2_
rfs formula name SafeBus-PT-20-ReachabilityCardinality-03
rfs formula type AG
rfs formula formula --invariant=/tmp/465/inv_3_
rfs formula name SafeBus-PT-20-ReachabilityCardinality-04
rfs formula type EF
rfs formula formula --invariant=/tmp/465/inv_4_
rfs formula name SafeBus-PT-20-ReachabilityCardinality-05
rfs formula type EF
rfs formula formula --invariant=/tmp/465/inv_5_
rfs formula name SafeBus-PT-20-ReachabilityCardinality-06
rfs formula type AG
rfs formula formula --invariant=/tmp/465/inv_6_
rfs formula name SafeBus-PT-20-ReachabilityCardinality-07
rfs formula type EF
rfs formula formula --invariant=/tmp/465/inv_7_
rfs formula name SafeBus-PT-20-ReachabilityCardinality-08
rfs formula type EF
rfs formula formula --invariant=/tmp/465/inv_8_
rfs formula name SafeBus-PT-20-ReachabilityCardinality-09
rfs formula type AG
rfs formula formula --invariant=/tmp/465/inv_9_
rfs formula name SafeBus-PT-20-ReachabilityCardinality-10
rfs formula type AG
rfs formula formula --invariant=/tmp/465/inv_10_
rfs formula name SafeBus-PT-20-ReachabilityCardinality-11
rfs formula type EF
rfs formula formula --invariant=/tmp/465/inv_11_
rfs formula name SafeBus-PT-20-ReachabilityCardinality-12
rfs formula type EF
rfs formula formula --invariant=/tmp/465/inv_12_
rfs formula name SafeBus-PT-20-ReachabilityCardinality-13
rfs formula type EF
rfs formula formula --invariant=/tmp/465/inv_13_
rfs formula name SafeBus-PT-20-ReachabilityCardinality-14
rfs formula type EF
rfs formula formula --invariant=/tmp/465/inv_14_
rfs formula name SafeBus-PT-20-ReachabilityCardinality-15
rfs formula type AG
rfs formula formula --invariant=/tmp/465/inv_15_
pnml2lts-sym: Exploration order is bfs-prev
pnml2lts-sym: Saturation strategy is sat
pnml2lts-sym: Guided search strategy is unguided
pnml2lts-sym: Attractor strategy is default
pnml2lts-sym: opening model.pnml
pnml2lts-sym: Edge label is id
Warning: program compiled against libxml 210 using older 209
pnml2lts-sym: Petri net has 1026 places, 10461 transitions and 77364 arcs
pnml2lts-sym: Petri net SafeBus-PT-20 analyzed
pnml2lts-sym: There are safe places
pnml2lts-sym: Loading Petri net took 0.240 real 0.220 user 0.020 sys
pnml2lts-sym: Initializing regrouping layer
pnml2lts-sym: Regroup specification: bs,w2W,ru,hf
pnml2lts-sym: Regroup Boost's Sloan
pnml2lts-sym: Regroup over-approximate must-write to may-write
pnml2lts-sym: Regroup Row sUbsume
pnml2lts-sym: Reqroup Horizontal Flip
pnml2lts-sym: Regrouping: 10461->10461 groups
pnml2lts-sym: Regrouping took 69.220 real 69.140 user 0.030 sys
pnml2lts-sym: state vector length is 1026; there are 10461 groups
pnml2lts-sym: Creating a multi-core ListDD domain.
pnml2lts-sym: Sylvan allocates 15.000 GB virtual memory for nodes table and operation cache.
pnml2lts-sym: Initial nodes table and operation cache requires 60.00 MB.
pnml2lts-sym: Using GBgetTransitionsShortR2W as next-state function
pnml2lts-sym: vset_sylvan: starting garbage collection
pnml2lts-sym: vset_sylvan: garbage collection done
pnml2lts-sym: vset_sylvan: starting garbage collection
pnml2lts-sym: vset_sylvan: garbage collection done
pnml2lts-sym: vset_sylvan: starting garbage collection
pnml2lts-sym: vset_sylvan: garbage collection done
pnml2lts-sym: vset_sylvan: starting garbage collection
pnml2lts-sym: vset_sylvan: garbage collection done
pnml2lts-sym: got initial state

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="SafeBus-PT-20"
export BK_EXAMINATION="ReachabilityCardinality"
export BK_TOOL="ltsminxred"
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 ltsminxred"
echo " Input is SafeBus-PT-20, examination is ReachabilityCardinality"
echo " Time confinement is $BK_TIME_CONFINEMENT seconds"
echo " Memory confinement is 16384 MBytes"
echo " Number of cores is 4"
echo " Run identifier is r361-smll-167891811200294"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/SafeBus-PT-20.tgz
mv SafeBus-PT-20 execution
cd execution
if [ "ReachabilityCardinality" = "ReachabilityDeadlock" ] || [ "ReachabilityCardinality" = "UpperBounds" ] || [ "ReachabilityCardinality" = "QuasiLiveness" ] || [ "ReachabilityCardinality" = "StableMarking" ] || [ "ReachabilityCardinality" = "Liveness" ] || [ "ReachabilityCardinality" = "OneSafe" ] || [ "ReachabilityCardinality" = "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 [ "ReachabilityCardinality" = "UpperBounds" ] ; then
echo "The expected result is a vector of positive values"
echo NUM_VECTOR
elif [ "ReachabilityCardinality" != "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 "ReachabilityCardinality.txt" ] ; then
echo "here is the order used to build the result vector(from text file)"
for x in $(grep Property ReachabilityCardinality.txt | cut -d ' ' -f 2 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ -f "ReachabilityCardinality.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 '' ReachabilityCardinality.xml | cut -d '>' -f 2 | cut -d '<' -f 1 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ "ReachabilityCardinality" = "ReachabilityDeadlock" ] || [ "ReachabilityCardinality" = "QuasiLiveness" ] || [ "ReachabilityCardinality" = "StableMarking" ] || [ "ReachabilityCardinality" = "Liveness" ] || [ "ReachabilityCardinality" = "OneSafe" ] ; then
echo "FORMULA_NAME ReachabilityCardinality"
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 ;