Execution Chart

Sorry, for this execution, no execution chart could be reported.

Trace from the execution

Formatting '/data/fkordon/mcc2025-input.r142-tall-174876812200254.qcow2', fmt=qcow2 size=4294967296 backing_file=/data/fkordon/mcc2025-input.qcow2 backing_fmt=qcow2 cluster_size=65536 lazy_refcounts=off refcount_bits=16
Waiting for the VM to be ready (probing ssh)
.............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................
=====================================================================
Generated by BenchKit 2-5832
Executing tool itstools
Input is NoC3x3-PT-7A, examination is ReachabilityCardinality
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r142-tall-174876812200254
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 844K
-rw-r--r-- 1 mcc users 7.6K May 29 14:47 CTLCardinality.txt
-rw-r--r-- 1 mcc users 84K May 29 14:47 CTLCardinality.xml
-rw-r--r-- 1 mcc users 6.3K May 29 14:47 CTLFireability.txt
-rw-r--r-- 1 mcc users 64K May 29 14:47 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K May 29 14:32 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 6.1K May 29 14:32 GenericPropertiesVerdict.xml
-rw-r--r-- 1 mcc users 3.5K May 29 14:47 LTLCardinality.txt
-rw-r--r-- 1 mcc users 26K May 29 14:47 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.2K May 29 14:47 LTLFireability.txt
-rw-r--r-- 1 mcc users 18K May 29 14:47 LTLFireability.xml
-rw-r--r-- 1 mcc users 12K May 29 14:47 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 124K May 29 14:47 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 9.3K May 29 14:47 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 82K May 29 14:47 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.5K May 29 14:47 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.6K May 29 14:47 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 May 29 14:32 equiv_col
-rw-r--r-- 1 mcc users 3 May 29 14:32 instance
-rw-r--r-- 1 mcc users 6 May 29 14:32 iscolored
-rw-r--r-- 1 mcc users 355K May 29 14:32 model.pnml

--------------------
content from stdout:

=== Data for post analysis generated by BenchKit (invocation template)

The expected result is a vector of booleans
BOOL_VECTOR

echo here is the order used to build the result vector(from xml file)
FORMULA_NAME NoC3x3-PT-7A-ReachabilityCardinality-2025-00
FORMULA_NAME NoC3x3-PT-7A-ReachabilityCardinality-2025-01
FORMULA_NAME NoC3x3-PT-7A-ReachabilityCardinality-2025-02
FORMULA_NAME NoC3x3-PT-7A-ReachabilityCardinality-2025-03
FORMULA_NAME NoC3x3-PT-7A-ReachabilityCardinality-2025-04
FORMULA_NAME NoC3x3-PT-7A-ReachabilityCardinality-2025-05
FORMULA_NAME NoC3x3-PT-7A-ReachabilityCardinality-2025-06
FORMULA_NAME NoC3x3-PT-7A-ReachabilityCardinality-2025-07
FORMULA_NAME NoC3x3-PT-7A-ReachabilityCardinality-2025-08
FORMULA_NAME NoC3x3-PT-7A-ReachabilityCardinality-2025-09
FORMULA_NAME NoC3x3-PT-7A-ReachabilityCardinality-2025-10
FORMULA_NAME NoC3x3-PT-7A-ReachabilityCardinality-2025-11
FORMULA_NAME NoC3x3-PT-7A-ReachabilityCardinality-2025-12
FORMULA_NAME NoC3x3-PT-7A-ReachabilityCardinality-2025-13
FORMULA_NAME NoC3x3-PT-7A-ReachabilityCardinality-2025-14
FORMULA_NAME NoC3x3-PT-7A-ReachabilityCardinality-2025-15

=== Now, execution of the tool begins

BK_START 1748844725621

Invoking MCC driver with
BK_TOOL=itstools
BK_EXAMINATION=ReachabilityCardinality
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=NoC3x3-PT-7A
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
ReachabilityCardinality PT
Running Version 202505121319
[2025-06-02 06:12:06] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, ReachabilityCardinality, -its, -ltsmin, -greatspnpath, /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/, -order, META, -manyOrder, -smt, -timeout, 3600]
[2025-06-02 06:12:06] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2025-06-02 06:12:06] [INFO ] Load time of PNML (sax parser for PT used): 112 ms
[2025-06-02 06:12:06] [INFO ] Transformed 801 places.
[2025-06-02 06:12:06] [INFO ] Transformed 1544 transitions.
[2025-06-02 06:12:06] [INFO ] Found NUPN structural information;
[2025-06-02 06:12:07] [INFO ] Parsed PT model containing 801 places and 1544 transitions and 4519 arcs in 210 ms.
Parsed 16 properties from file /home/mcc/execution/ReachabilityCardinality.xml in 16 ms.
Working with output stream class java.io.PrintStream
Ensure Unique test removed 107 transitions
Reduce redundant transitions removed 107 transitions.
FORMULA NoC3x3-PT-7A-ReachabilityCardinality-2025-00 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA NoC3x3-PT-7A-ReachabilityCardinality-2025-08 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
RANDOM walk for 40000 steps (8 resets) in 2051 ms. (19 steps per ms) remains 4/14 properties
FORMULA NoC3x3-PT-7A-ReachabilityCardinality-2025-14 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA NoC3x3-PT-7A-ReachabilityCardinality-2025-13 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA NoC3x3-PT-7A-ReachabilityCardinality-2025-12 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA NoC3x3-PT-7A-ReachabilityCardinality-2025-10 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA NoC3x3-PT-7A-ReachabilityCardinality-2025-09 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA NoC3x3-PT-7A-ReachabilityCardinality-2025-07 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA NoC3x3-PT-7A-ReachabilityCardinality-2025-06 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA NoC3x3-PT-7A-ReachabilityCardinality-2025-05 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA NoC3x3-PT-7A-ReachabilityCardinality-2025-03 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA NoC3x3-PT-7A-ReachabilityCardinality-2025-02 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
BEST_FIRST walk for 40004 steps (8 resets) in 366 ms. (109 steps per ms) remains 3/4 properties
FORMULA NoC3x3-PT-7A-ReachabilityCardinality-2025-01 TRUE TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
[2025-06-02 06:12:07] [INFO ] Flatten gal took : 257 ms
BEST_FIRST walk for 40004 steps (8 resets) in 201 ms. (198 steps per ms) remains 2/3 properties
FORMULA NoC3x3-PT-7A-ReachabilityCardinality-2025-04 FALSE TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
[2025-06-02 06:12:07] [INFO ] Flatten gal took : 74 ms
[2025-06-02 06:12:07] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality6309893730610661904.gal : 81 ms
[2025-06-02 06:12:08] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality15335937291979263643.prop : 1 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality6309893730610661904.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality15335937291979263643.prop' '--nowitness' '--gen-order' 'FOLLOW'

its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...329
BEST_FIRST walk for 40004 steps (8 resets) in 1333 ms. (29 steps per ms) remains 2/2 properties
Loading property file /tmp/ReachabilityCardinality15335937291979263643.prop.
BEST_FIRST walk for 40004 steps (8 resets) in 248 ms. (160 steps per ms) remains 2/2 properties
[2025-06-02 06:12:08] [INFO ] Flow matrix only has 1355 transitions (discarded 82 similar events)
// Phase 1: matrix 1355 rows 801 cols
[2025-06-02 06:12:08] [INFO ] Computed 111 invariants in 37 ms
[2025-06-02 06:12:08] [INFO ] State equation strengthened by 38 read => feed constraints.
Excessive predecessor constraint size, skipping predecessor.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/69 variables, 69/69 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/69 variables, 0/69 constraints. Problems are: Problem set: 0 solved, 2 unsolved
SDD proceeding with computation,2 properties remain. new max is 4
SDD size :2 after 9
SDD proceeding with computation,2 properties remain. new max is 8
SDD size :9 after 22
SDD proceeding with computation,2 properties remain. new max is 16
SDD size :22 after 54
SDD proceeding with computation,2 properties remain. new max is 32
SDD size :54 after 154
SDD proceeding with computation,2 properties remain. new max is 64
SDD size :154 after 172
SDD proceeding with computation,2 properties remain. new max is 128
SDD size :172 after 343
SDD proceeding with computation,2 properties remain. new max is 256
SDD size :343 after 26506
SDD proceeding with computation,2 properties remain. new max is 512
SDD size :26506 after 2.29969e+06
At refinement iteration 2 (OVERLAPS) 547/616 variables, 58/127 constraints. Problems are: Problem set: 0 solved, 2 unsolved
SDD proceeding with computation,2 properties remain. new max is 1024
SDD size :2.29969e+06 after 3.24409e+07
At refinement iteration 3 (INCLUDED_ONLY) 0/616 variables, 547/674 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/616 variables, 1/675 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/616 variables, 0/675 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 6 (OVERLAPS) 124/740 variables, 24/699 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/740 variables, 124/823 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/740 variables, 0/823 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 9 (OVERLAPS) 61/801 variables, 28/851 constraints. Problems are: Problem set: 0 solved, 2 unsolved
SDD proceeding with computation,2 properties remain. new max is 2048
SDD size :3.24409e+07 after 5.01197e+09
At refinement iteration 10 (INCLUDED_ONLY) 0/801 variables, 61/912 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/801 variables, 0/912 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 12 (OVERLAPS) 1355/2156 variables, 801/1713 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/2156 variables, 38/1751 constraints. Problems are: Problem set: 0 solved, 2 unsolved
SDD proceeding with computation,2 properties remain. new max is 4096
SDD size :5.01197e+09 after 1.17518e+11
At refinement iteration 14 (INCLUDED_ONLY) 0/2156 variables, 0/1751 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 15 (OVERLAPS) 0/2156 variables, 0/1751 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Real declared 2156/2156 variables, and 1751 constraints, problems are : Problem set: 0 solved, 2 unsolved in 1035 ms.
Refiners :[Domain max(s): 801/801 constraints, Positive P Invariants (semi-flows): 82/82 constraints, Generalized P Invariants (flows): 29/29 constraints, State Equation: 801/801 constraints, ReadFeed: 38/38 constraints, PredecessorRefiner: 2/0 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 2 unsolved
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/69 variables, 69/69 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/69 variables, 0/69 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (OVERLAPS) 547/616 variables, 58/127 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/616 variables, 547/674 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/616 variables, 1/675 constraints. Problems are: Problem set: 0 solved, 2 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 06:12:09] [INFO ] Deduced a trap composed of 18 places in 79 ms of which 11 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 06:12:09] [INFO ] Deduced a trap composed of 19 places in 43 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 06:12:09] [INFO ] Deduced a trap composed of 22 places in 33 ms of which 1 ms to minimize.
At refinement iteration 5 (INCLUDED_ONLY) 0/616 variables, 3/678 constraints. Problems are: Problem set: 0 solved, 2 unsolved
SDD proceeding with computation,2 properties remain. new max is 8192
SDD size :1.17518e+11 after 3.1869e+13
At refinement iteration 6 (INCLUDED_ONLY) 0/616 variables, 0/678 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 7 (OVERLAPS) 124/740 variables, 24/702 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/740 variables, 124/826 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/740 variables, 0/826 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 10 (OVERLAPS) 61/801 variables, 28/854 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/801 variables, 61/915 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/801 variables, 0/915 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 13 (OVERLAPS) 1355/2156 variables, 801/1716 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/2156 variables, 38/1754 constraints. Problems are: Problem set: 0 solved, 2 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 06:12:10] [INFO ] Deduced a trap composed of 21 places in 38 ms of which 2 ms to minimize.
At refinement iteration 15 (INCLUDED_ONLY) 0/2156 variables, 1/1755 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/2156 variables, 0/1755 constraints. Problems are: Problem set: 0 solved, 2 unsolved
SDD proceeding with computation,2 properties remain. new max is 16384
SDD size :3.1869e+13 after 2.15242e+18
At refinement iteration 17 (OVERLAPS) 0/2156 variables, 0/1755 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Int declared 2156/2156 variables, and 1755 constraints, problems are : Problem set: 0 solved, 2 unsolved in 1759 ms.
Refiners :[Domain max(s): 801/801 constraints, Positive P Invariants (semi-flows): 82/82 constraints, Generalized P Invariants (flows): 29/29 constraints, State Equation: 801/801 constraints, ReadFeed: 38/38 constraints, PredecessorRefiner: 2/0 constraints, Known Traps: 4/4 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 2921ms problems are : Problem set: 0 solved, 2 unsolved
Finished Parikh walk after 15952 steps, including 84 resets, run visited all 2 properties in 69 ms. (steps per millisecond=231 )
FORMULA NoC3x3-PT-7A-ReachabilityCardinality-2025-15 FALSE TECHNIQUES PARIKH_WALK
FORMULA NoC3x3-PT-7A-ReachabilityCardinality-2025-11 FALSE TECHNIQUES PARIKH_WALK
Parikh walk visited 2 properties in 442 ms.
ITS runner timed out or was interrupted.
ITS tools runner thread asked to quit. Dying gracefully.
All properties solved without resorting to model-checking.
Total runtime 4967 ms.

BK_STOP 1748844731776

--------------------
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
+ [[ ReachabilityCardinality = StateSpace ]]
+ /home/mcc/BenchKit/bin//../itstools/bin//..//runeclipse.sh /home/mcc/execution ReachabilityCardinality -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
++ sed s/.jar//
++ perl -pe 's/.*\.//g'
++ ls /home/mcc/BenchKit/bin//../itstools/bin//..//itstools/plugins/fr.lip6.move.gal.application.pnmcc_1.0.0.202505121319.jar
+ VERSION=202505121319
+ echo 'Running Version 202505121319'
+ /home/mcc/BenchKit/bin//../itstools/bin//..//itstools/its-tools -pnfolder /home/mcc/execution -examination ReachabilityCardinality -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="NoC3x3-PT-7A"
export BK_EXAMINATION="ReachabilityCardinality"
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 2-5832"
echo " Executing tool itstools"
echo " Input is NoC3x3-PT-7A, 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 r142-tall-174876812200254"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/NoC3x3-PT-7A.tgz
mv NoC3x3-PT-7A 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.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 ;