Execution Chart

We display below the execution chart for this examination (boot time has been removed).

Trace from the execution

Formatting '/mnt/tpsp/fkordon/mcc2023-input.r041-tajo-167813694500303.qcow2', fmt=qcow2 size=4294967296 backing_file='/mnt/tpsp/fkordon/mcc2023-input.qcow2' encryption=off cluster_size=65536 lazy_refcounts=off
Waiting for the VM to be ready (probing ssh)
.....................
=====================================================================
Generated by BenchKit 2-5348
Executing tool ltsminxred
Input is BridgeAndVehicles-PT-V80P50N10, examination is ReachabilityFireability
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r041-tajo-167813694500303
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 7.5M
-rw-r--r-- 1 mcc users 21K Feb 25 12:20 CTLCardinality.txt
-rw-r--r-- 1 mcc users 131K Feb 25 12:20 CTLCardinality.xml
-rw-r--r-- 1 mcc users 180K Feb 25 12:17 CTLFireability.txt
-rw-r--r-- 1 mcc users 696K Feb 25 12:17 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K Jan 29 11:40 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 6.4K Jan 29 11:40 GenericPropertiesVerdict.xml
-rw-r--r-- 1 mcc users 13K Feb 25 15:36 LTLCardinality.txt
-rw-r--r-- 1 mcc users 48K Feb 25 15:36 LTLCardinality.xml
-rw-r--r-- 1 mcc users 123K Feb 25 15:36 LTLFireability.txt
-rw-r--r-- 1 mcc users 352K Feb 25 15:36 LTLFireability.xml
-rw-r--r-- 1 mcc users 69K Feb 25 12:49 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 357K Feb 25 12:49 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 791K Feb 25 12:45 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 3.0M Feb 25 12:45 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 4.8K Feb 25 15:36 UpperBounds.txt
-rw-r--r-- 1 mcc users 11K Feb 25 15:36 UpperBounds.xml
-rw-r--r-- 1 mcc users 5 Mar 5 18:22 equiv_col
-rw-r--r-- 1 mcc users 10 Mar 5 18:22 instance
-rw-r--r-- 1 mcc users 6 Mar 5 18:22 iscolored
-rw-r--r-- 1 mcc users 1.7M 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 BridgeAndVehicles-PT-V80P50N10-ReachabilityFireability-00
FORMULA_NAME BridgeAndVehicles-PT-V80P50N10-ReachabilityFireability-01
FORMULA_NAME BridgeAndVehicles-PT-V80P50N10-ReachabilityFireability-02
FORMULA_NAME BridgeAndVehicles-PT-V80P50N10-ReachabilityFireability-03
FORMULA_NAME BridgeAndVehicles-PT-V80P50N10-ReachabilityFireability-04
FORMULA_NAME BridgeAndVehicles-PT-V80P50N10-ReachabilityFireability-05
FORMULA_NAME BridgeAndVehicles-PT-V80P50N10-ReachabilityFireability-06
FORMULA_NAME BridgeAndVehicles-PT-V80P50N10-ReachabilityFireability-07
FORMULA_NAME BridgeAndVehicles-PT-V80P50N10-ReachabilityFireability-08
FORMULA_NAME BridgeAndVehicles-PT-V80P50N10-ReachabilityFireability-09
FORMULA_NAME BridgeAndVehicles-PT-V80P50N10-ReachabilityFireability-10
FORMULA_NAME BridgeAndVehicles-PT-V80P50N10-ReachabilityFireability-11
FORMULA_NAME BridgeAndVehicles-PT-V80P50N10-ReachabilityFireability-12
FORMULA_NAME BridgeAndVehicles-PT-V80P50N10-ReachabilityFireability-13
FORMULA_NAME BridgeAndVehicles-PT-V80P50N10-ReachabilityFireability-14
FORMULA_NAME BridgeAndVehicles-PT-V80P50N10-ReachabilityFireability-15

=== Now, execution of the tool begins

BK_START 1678623553807

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=ReachabilityFireability
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=BridgeAndVehicles-PT-V80P50N10
Applying reductions before tool ltsmin
Invoking reducer
Running Version 202303021504
[2023-03-12 12:19:15] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, ReachabilityFireability, -timeout, 360, -rebuildPNML]
[2023-03-12 12:19:15] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2023-03-12 12:19:15] [INFO ] Load time of PNML (sax parser for PT used): 146 ms
[2023-03-12 12:19:15] [INFO ] Transformed 188 places.
[2023-03-12 12:19:15] [INFO ] Transformed 2108 transitions.
[2023-03-12 12:19:15] [INFO ] Parsed PT model containing 188 places and 2108 transitions and 15950 arcs in 234 ms.
Parsed 16 properties from file /home/mcc/execution/ReachabilityFireability.xml in 71 ms.
Working with output stream class java.io.PrintStream
FORMULA BridgeAndVehicles-PT-V80P50N10-ReachabilityFireability-06 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Incomplete random walk after 10000 steps, including 14 resets, run finished after 958 ms. (steps per millisecond=10 ) properties (out of 15) seen :4
FORMULA BridgeAndVehicles-PT-V80P50N10-ReachabilityFireability-08 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA BridgeAndVehicles-PT-V80P50N10-ReachabilityFireability-04 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA BridgeAndVehicles-PT-V80P50N10-ReachabilityFireability-03 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA BridgeAndVehicles-PT-V80P50N10-ReachabilityFireability-02 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
Incomplete Best-First random walk after 10000 steps, including 6 resets, run finished after 826 ms. (steps per millisecond=12 ) properties (out of 11) seen :0
Incomplete Best-First random walk after 10000 steps, including 6 resets, run finished after 1353 ms. (steps per millisecond=7 ) properties (out of 11) seen :0
Incomplete Best-First random walk after 10001 steps, including 6 resets, run finished after 1604 ms. (steps per millisecond=6 ) properties (out of 11) seen :0
Incomplete Best-First random walk after 10001 steps, including 5 resets, run finished after 1469 ms. (steps per millisecond=6 ) properties (out of 11) seen :0
Incomplete Best-First random walk after 10001 steps, including 5 resets, run finished after 355 ms. (steps per millisecond=28 ) properties (out of 11) seen :0
Incomplete Best-First random walk after 10001 steps, including 5 resets, run finished after 386 ms. (steps per millisecond=25 ) properties (out of 11) seen :0
Incomplete Best-First random walk after 10001 steps, including 5 resets, run finished after 323 ms. (steps per millisecond=30 ) properties (out of 11) seen :0
Incomplete Best-First random walk after 10001 steps, including 5 resets, run finished after 308 ms. (steps per millisecond=32 ) properties (out of 11) seen :0
Incomplete Best-First random walk after 10001 steps, including 5 resets, run finished after 311 ms. (steps per millisecond=32 ) properties (out of 11) seen :0
Incomplete Best-First random walk after 10000 steps, including 5 resets, run finished after 318 ms. (steps per millisecond=31 ) properties (out of 11) seen :0
Incomplete Best-First random walk after 10001 steps, including 5 resets, run finished after 311 ms. (steps per millisecond=32 ) properties (out of 11) seen :0
Running SMT prover for 11 properties.
[2023-03-12 12:19:24] [INFO ] Flow matrix only has 370 transitions (discarded 1738 similar events)
// Phase 1: matrix 370 rows 188 cols
[2023-03-12 12:19:24] [INFO ] Computed 7 place invariants in 20 ms
[2023-03-12 12:19:31] [INFO ] [Real]Absence check using 7 positive place invariants in 7 ms returned sat
[2023-03-12 12:19:31] [INFO ] After 737ms SMT Verify possible using all constraints in real domain returned unsat :1 sat :0 real:10
[2023-03-12 12:19:31] [INFO ] [Nat]Absence check using 7 positive place invariants in 3 ms returned sat
[2023-03-12 12:19:32] [INFO ] After 540ms SMT Verify possible using state equation in natural domain returned unsat :8 sat :3
[2023-03-12 12:19:32] [INFO ] State equation strengthened by 22 read => feed constraints.
[2023-03-12 12:19:33] [INFO ] After 612ms SMT Verify possible using 22 Read/Feed constraints in natural domain returned unsat :8 sat :3
[2023-03-12 12:19:33] [INFO ] After 1324ms SMT Verify possible using trap constraints in natural domain returned unsat :8 sat :3
Attempting to minimize the solution found.
Minimization took 629 ms.
[2023-03-12 12:19:34] [INFO ] After 2935ms SMT Verify possible using all constraints in natural domain returned unsat :8 sat :3
FORMULA BridgeAndVehicles-PT-V80P50N10-ReachabilityFireability-13 FALSE TECHNIQUES STRUCTURAL_REDUCTION TOPOLOGICAL SAT_SMT
FORMULA BridgeAndVehicles-PT-V80P50N10-ReachabilityFireability-12 FALSE TECHNIQUES STRUCTURAL_REDUCTION TOPOLOGICAL SAT_SMT
FORMULA BridgeAndVehicles-PT-V80P50N10-ReachabilityFireability-11 FALSE TECHNIQUES STRUCTURAL_REDUCTION TOPOLOGICAL SAT_SMT
FORMULA BridgeAndVehicles-PT-V80P50N10-ReachabilityFireability-10 FALSE TECHNIQUES STRUCTURAL_REDUCTION TOPOLOGICAL SAT_SMT
FORMULA BridgeAndVehicles-PT-V80P50N10-ReachabilityFireability-07 FALSE TECHNIQUES STRUCTURAL_REDUCTION TOPOLOGICAL SAT_SMT
FORMULA BridgeAndVehicles-PT-V80P50N10-ReachabilityFireability-05 FALSE TECHNIQUES STRUCTURAL_REDUCTION TOPOLOGICAL SAT_SMT
FORMULA BridgeAndVehicles-PT-V80P50N10-ReachabilityFireability-01 FALSE TECHNIQUES STRUCTURAL_REDUCTION TOPOLOGICAL SAT_SMT
FORMULA BridgeAndVehicles-PT-V80P50N10-ReachabilityFireability-00 FALSE TECHNIQUES STRUCTURAL_REDUCTION TOPOLOGICAL SAT_SMT
Fused 11 Parikh solutions to 3 different solutions.
Parikh walk visited 0 properties in 65 ms.
Support contains 72 out of 188 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 188/188 places, 2108/2108 transitions.
Graph (complete) has 1882 edges and 188 vertex of which 186 are kept as prefixes of interest. Removing 2 places using SCC suffix rule.21 ms
Discarding 2 places :
Also discarding 0 output transitions
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 2 place count 185 transition count 2107
Iterating global reduction 0 with 1 rules applied. Total rules applied 3 place count 185 transition count 2107
Applied a total of 3 rules in 453 ms. Remains 185 /188 variables (removed 3) and now considering 2107/2108 (removed 1) transitions.
[2023-03-12 12:19:34] [INFO ] Flow matrix only has 369 transitions (discarded 1738 similar events)
// Phase 1: matrix 369 rows 185 cols
[2023-03-12 12:19:34] [INFO ] Computed 5 place invariants in 12 ms
[2023-03-12 12:19:35] [INFO ] Dead Transitions using invariants and state equation in 877 ms found 0 transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 1340 ms. Remains : 185/188 places, 2107/2108 transitions.
Incomplete random walk after 10000 steps, including 14 resets, run finished after 134 ms. (steps per millisecond=74 ) properties (out of 3) seen :0
Incomplete Best-First random walk after 10001 steps, including 5 resets, run finished after 67 ms. (steps per millisecond=149 ) properties (out of 3) seen :0
Incomplete Best-First random walk after 10001 steps, including 5 resets, run finished after 71 ms. (steps per millisecond=140 ) properties (out of 3) seen :0
Incomplete Best-First random walk after 10000 steps, including 5 resets, run finished after 62 ms. (steps per millisecond=161 ) properties (out of 3) seen :0
Interrupted probabilistic random walk after 297761 steps, run timeout after 3001 ms. (steps per millisecond=99 ) properties seen :{}
Probabilistic random walk after 297761 steps, saw 81611 distinct states, run finished after 3002 ms. (steps per millisecond=99 ) properties seen :0
Running SMT prover for 3 properties.
[2023-03-12 12:19:39] [INFO ] Flow matrix only has 369 transitions (discarded 1738 similar events)
[2023-03-12 12:19:39] [INFO ] Invariant cache hit.
[2023-03-12 12:19:39] [INFO ] [Real]Absence check using 5 positive place invariants in 3 ms returned sat
[2023-03-12 12:19:39] [INFO ] After 90ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:3
[2023-03-12 12:19:39] [INFO ] [Nat]Absence check using 5 positive place invariants in 3 ms returned sat
[2023-03-12 12:19:40] [INFO ] After 607ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :3
[2023-03-12 12:19:40] [INFO ] State equation strengthened by 22 read => feed constraints.
[2023-03-12 12:19:40] [INFO ] After 696ms SMT Verify possible using 22 Read/Feed constraints in natural domain returned unsat :0 sat :3
[2023-03-12 12:19:41] [INFO ] After 1460ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :3
Attempting to minimize the solution found.
Minimization took 786 ms.
[2023-03-12 12:19:42] [INFO ] After 2958ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :3
Parikh walk visited 0 properties in 75 ms.
Support contains 72 out of 185 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 185/185 places, 2107/2107 transitions.
Applied a total of 0 rules in 329 ms. Remains 185 /185 variables (removed 0) and now considering 2107/2107 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 329 ms. Remains : 185/185 places, 2107/2107 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 185/185 places, 2107/2107 transitions.
Applied a total of 0 rules in 266 ms. Remains 185 /185 variables (removed 0) and now considering 2107/2107 (removed 0) transitions.
[2023-03-12 12:19:43] [INFO ] Flow matrix only has 369 transitions (discarded 1738 similar events)
[2023-03-12 12:19:43] [INFO ] Invariant cache hit.
[2023-03-12 12:19:43] [INFO ] Implicit Places using invariants in 214 ms returned []
[2023-03-12 12:19:43] [INFO ] Flow matrix only has 369 transitions (discarded 1738 similar events)
[2023-03-12 12:19:43] [INFO ] Invariant cache hit.
[2023-03-12 12:19:43] [INFO ] State equation strengthened by 22 read => feed constraints.
[2023-03-12 12:19:43] [INFO ] Implicit Places using invariants and state equation in 610 ms returned []
Implicit Place search using SMT with State Equation took 827 ms to find 0 implicit places.
[2023-03-12 12:19:43] [INFO ] Redundant transitions in 152 ms returned []
[2023-03-12 12:19:44] [INFO ] Flow matrix only has 369 transitions (discarded 1738 similar events)
[2023-03-12 12:19:44] [INFO ] Invariant cache hit.
[2023-03-12 12:19:44] [INFO ] Dead Transitions using invariants and state equation in 827 ms found 0 transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 2085 ms. Remains : 185/185 places, 2107/2107 transitions.
Ensure Unique test removed 1738 transitions
Reduce isomorphic transitions removed 1738 transitions.
Iterating post reduction 0 with 1738 rules applied. Total rules applied 1738 place count 185 transition count 369
Performed 2 Post agglomeration using F-continuation condition.Transition count delta: 2
Deduced a syphon composed of 2 places in 1 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 1 with 4 rules applied. Total rules applied 1742 place count 183 transition count 367
Applied a total of 1742 rules in 20 ms. Remains 183 /185 variables (removed 2) and now considering 367/2107 (removed 1740) transitions.
Running SMT prover for 3 properties.
// Phase 1: matrix 367 rows 183 cols
[2023-03-12 12:19:44] [INFO ] Computed 5 place invariants in 11 ms
[2023-03-12 12:19:45] [INFO ] [Real]Absence check using 5 positive place invariants in 3 ms returned sat
[2023-03-12 12:19:45] [INFO ] After 85ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:3
[2023-03-12 12:19:45] [INFO ] [Nat]Absence check using 5 positive place invariants in 2 ms returned sat
[2023-03-12 12:19:45] [INFO ] After 420ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :3
[2023-03-12 12:19:45] [INFO ] After 873ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :3
Attempting to minimize the solution found.
Minimization took 441 ms.
[2023-03-12 12:19:46] [INFO ] After 1383ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :3
[2023-03-12 12:19:46] [INFO ] Export to MCC of 3 properties in file /home/mcc/execution/ReachabilityFireability.sr.xml took 8 ms.
[2023-03-12 12:19:46] [INFO ] Export to PNML in file /home/mcc/execution/model.sr.pnml of net with 185 places, 2107 transitions and 15946 arcs took 28 ms.
[2023-03-12 12:19:46] [INFO ] Flatten gal took : 214 ms
Total runtime 31229 ms.
There are residual formulas that ITS could not solve within timeout
pnml2lts-sym model.pnml --lace-workers=4 --vset=lddmc --saturation=sat -rbs,w2W,ru,hf --sylvan-sizes=20,28,20,28 --inv-bin-par --invariant=/tmp/515/inv_0_ --invariant=/tmp/515/inv_1_ --invariant=/tmp/515/inv_2_ --inv-par
TIME LIMIT: Killed by timeout after 3600 seconds
MemTotal: 16393340 kB
MemFree: 15440260 kB
After kill :
MemTotal: 16393340 kB
MemFree: 16089792 kB

BK_TIME_CONFINEMENT_REACHED

--------------------
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 ReachabilityFireability -timeout 360 -rebuildPNML
mcc2023

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="BridgeAndVehicles-PT-V80P50N10"
export BK_EXAMINATION="ReachabilityFireability"
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 BridgeAndVehicles-PT-V80P50N10, 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 r041-tajo-167813694500303"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/BridgeAndVehicles-PT-V80P50N10.tgz
mv BridgeAndVehicles-PT-V80P50N10 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 ;