Execution Chart

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

Trace from the execution

Formatting '/data/fkordon/mcc2024-input.r312-tall-171662338000183.qcow2', fmt=qcow2 size=4294967296 backing_file=/data/fkordon/mcc2024-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 2-5568
Executing tool itstools
Input is RERS17pb113-PT-9, examination is ReachabilityFireability
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r312-tall-171662338000183
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 15M
-rw-r--r-- 1 mcc users 7.1K May 14 13:22 CTLCardinality.txt
-rw-r--r-- 1 mcc users 79K May 14 13:22 CTLCardinality.xml
-rw-r--r-- 1 mcc users 8.5K May 14 13:22 CTLFireability.txt
-rw-r--r-- 1 mcc users 65K May 14 13:22 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K May 18 16:43 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 6.4K May 18 16:43 GenericPropertiesVerdict.xml
-rw-r--r-- 1 mcc users 3.6K May 19 07:12 LTLCardinality.txt
-rw-r--r-- 1 mcc users 27K May 19 16:16 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.6K May 19 07:28 LTLFireability.txt
-rw-r--r-- 1 mcc users 16K May 19 18:48 LTLFireability.xml
-rw-r--r-- 1 mcc users 7.4K May 14 13:22 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 72K May 14 13:22 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 12K May 14 13:22 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 77K May 14 13:22 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.5K May 19 07:14 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.7K May 19 15:29 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 May 18 16:43 equiv_col
-rw-r--r-- 1 mcc users 2 May 18 16:43 instance
-rw-r--r-- 1 mcc users 6 May 18 16:43 iscolored
-rw-r--r-- 1 mcc users 15M May 18 16:43 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 RERS17pb113-PT-9-ReachabilityFireability-2024-00
FORMULA_NAME RERS17pb113-PT-9-ReachabilityFireability-2024-01
FORMULA_NAME RERS17pb113-PT-9-ReachabilityFireability-2024-02
FORMULA_NAME RERS17pb113-PT-9-ReachabilityFireability-2023-03
FORMULA_NAME RERS17pb113-PT-9-ReachabilityFireability-2024-04
FORMULA_NAME RERS17pb113-PT-9-ReachabilityFireability-2024-05
FORMULA_NAME RERS17pb113-PT-9-ReachabilityFireability-2024-06
FORMULA_NAME RERS17pb113-PT-9-ReachabilityFireability-2024-07
FORMULA_NAME RERS17pb113-PT-9-ReachabilityFireability-2024-08
FORMULA_NAME RERS17pb113-PT-9-ReachabilityFireability-2024-09
FORMULA_NAME RERS17pb113-PT-9-ReachabilityFireability-2024-10
FORMULA_NAME RERS17pb113-PT-9-ReachabilityFireability-2023-11
FORMULA_NAME RERS17pb113-PT-9-ReachabilityFireability-2023-12
FORMULA_NAME RERS17pb113-PT-9-ReachabilityFireability-2024-13
FORMULA_NAME RERS17pb113-PT-9-ReachabilityFireability-2024-14
FORMULA_NAME RERS17pb113-PT-9-ReachabilityFireability-2023-15

=== Now, execution of the tool begins

BK_START 1716678002323

Invoking MCC driver with
BK_TOOL=itstools
BK_EXAMINATION=ReachabilityFireability
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=RERS17pb113-PT-9
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
ReachabilityFireability PT
Running Version 202405141337
[2024-05-25 23:00:03] [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]
[2024-05-25 23:00:03] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2024-05-25 23:00:04] [INFO ] Load time of PNML (sax parser for PT used): 702 ms
[2024-05-25 23:00:04] [INFO ] Transformed 639 places.
[2024-05-25 23:00:04] [INFO ] Transformed 31353 transitions.
[2024-05-25 23:00:04] [INFO ] Parsed PT model containing 639 places and 31353 transitions and 125418 arcs in 1055 ms.
Parsed 16 properties from file /home/mcc/execution/ReachabilityFireability.xml in 61 ms.
Working with output stream class java.io.PrintStream
RANDOM walk for 40000 steps (8 resets) in 6102 ms. (6 steps per ms) remains 13/16 properties
FORMULA RERS17pb113-PT-9-ReachabilityFireability-2024-09 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA RERS17pb113-PT-9-ReachabilityFireability-2024-05 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA RERS17pb113-PT-9-ReachabilityFireability-2024-01 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
BEST_FIRST walk for 40004 steps (8 resets) in 402 ms. (99 steps per ms) remains 13/13 properties
BEST_FIRST walk for 40004 steps (8 resets) in 418 ms. (95 steps per ms) remains 12/13 properties
FORMULA RERS17pb113-PT-9-ReachabilityFireability-2024-02 FALSE TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
BEST_FIRST walk for 40004 steps (8 resets) in 788 ms. (50 steps per ms) remains 12/12 properties
BEST_FIRST walk for 40004 steps (8 resets) in 329 ms. (121 steps per ms) remains 12/12 properties
BEST_FIRST walk for 40004 steps (8 resets) in 244 ms. (163 steps per ms) remains 12/12 properties
BEST_FIRST walk for 40004 steps (8 resets) in 1388 ms. (28 steps per ms) remains 12/12 properties
BEST_FIRST walk for 40004 steps (8 resets) in 452 ms. (88 steps per ms) remains 12/12 properties
BEST_FIRST walk for 40004 steps (8 resets) in 312 ms. (127 steps per ms) remains 12/12 properties
BEST_FIRST walk for 40004 steps (8 resets) in 424 ms. (94 steps per ms) remains 12/12 properties
BEST_FIRST walk for 40004 steps (8 resets) in 326 ms. (122 steps per ms) remains 12/12 properties
[2024-05-25 23:00:08] [INFO ] Flatten gal took : 2004 ms
BEST_FIRST walk for 40004 steps (8 resets) in 307 ms. (129 steps per ms) remains 12/12 properties
BEST_FIRST walk for 40004 steps (8 resets) in 226 ms. (176 steps per ms) remains 12/12 properties
BEST_FIRST walk for 40004 steps (8 resets) in 182 ms. (218 steps per ms) remains 12/12 properties
[2024-05-25 23:00:08] [INFO ] Flow matrix only has 18326 transitions (discarded 13027 similar events)
// Phase 1: matrix 18326 rows 639 cols
[2024-05-25 23:00:08] [INFO ] Computed 25 invariants in 100 ms
[2024-05-25 23:00:09] [INFO ] Flatten gal took : 905 ms
[2024-05-25 23:00:09] [INFO ] State equation strengthened by 829 read => feed constraints.
[2024-05-25 23:00:09] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality1086441661576806343.gal : 226 ms
[2024-05-25 23:00:09] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality10658861297036549923.prop : 3 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202405141337/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality1086441661576806343.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality10658861297036549923.prop' '--nowitness' '--gen-order' 'FOLLOW'

its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202405141337/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...329
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/264 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 1 (OVERLAPS) 363/627 variables, 13/13 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/627 variables, 0/13 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 3 (OVERLAPS) 12/639 variables, 12/25 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/639 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 12 unsolved
Loading property file /tmp/ReachabilityCardinality10658861297036549923.prop.
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 18965/18965 variables, and 664 constraints, problems are : Problem set: 0 solved, 12 unsolved in 5032 ms.
Refiners :[Positive P Invariants (semi-flows): 13/13 constraints, Generalized P Invariants (flows): 12/12 constraints, State Equation: 639/639 constraints, ReadFeed: 0/829 constraints, PredecessorRefiner: 12/5 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 12 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/264 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 1 (OVERLAPS) 363/627 variables, 13/13 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/627 variables, 0/13 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 3 (OVERLAPS) 12/639 variables, 12/25 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/639 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 12 unsolved
SMT process timed out in 11269ms, After SMT, problems are : Problem set: 0 solved, 12 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 264 out of 639 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 639/639 places, 31353/31353 transitions.
Ensure Unique test removed 12 places
Iterating post reduction 0 with 12 rules applied. Total rules applied 12 place count 627 transition count 31353
Applied a total of 12 rules in 423 ms. Remains 627 /639 variables (removed 12) and now considering 31353/31353 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 446 ms. Remains : 627/639 places, 31353/31353 transitions.
RANDOM walk for 40000 steps (8 resets) in 1552 ms. (25 steps per ms) remains 12/12 properties
BEST_FIRST walk for 40004 steps (8 resets) in 216 ms. (184 steps per ms) remains 12/12 properties
BEST_FIRST walk for 40004 steps (8 resets) in 457 ms. (87 steps per ms) remains 12/12 properties
BEST_FIRST walk for 40004 steps (8 resets) in 180 ms. (221 steps per ms) remains 12/12 properties
BEST_FIRST walk for 40004 steps (8 resets) in 163 ms. (243 steps per ms) remains 12/12 properties
BEST_FIRST walk for 40004 steps (8 resets) in 218 ms. (182 steps per ms) remains 12/12 properties
BEST_FIRST walk for 40004 steps (8 resets) in 139 ms. (285 steps per ms) remains 12/12 properties
BEST_FIRST walk for 40004 steps (8 resets) in 279 ms. (142 steps per ms) remains 12/12 properties
BEST_FIRST walk for 40004 steps (8 resets) in 383 ms. (104 steps per ms) remains 12/12 properties
BEST_FIRST walk for 40004 steps (8 resets) in 295 ms. (135 steps per ms) remains 12/12 properties
BEST_FIRST walk for 40004 steps (8 resets) in 165 ms. (240 steps per ms) remains 12/12 properties
BEST_FIRST walk for 40004 steps (8 resets) in 181 ms. (219 steps per ms) remains 12/12 properties
BEST_FIRST walk for 40004 steps (8 resets) in 176 ms. (226 steps per ms) remains 12/12 properties
Interrupted probabilistic random walk after 23580 steps, run timeout after 3001 ms. (steps per millisecond=7 ) properties seen :0 out of 12
Probabilistic random walk after 23580 steps, saw 21392 distinct states, run finished after 3005 ms. (steps per millisecond=7 ) properties seen :0
[2024-05-25 23:00:24] [INFO ] Flow matrix only has 18326 transitions (discarded 13027 similar events)
// Phase 1: matrix 18326 rows 627 cols
[2024-05-25 23:00:24] [INFO ] Computed 13 invariants in 70 ms
[2024-05-25 23:00:25] [INFO ] State equation strengthened by 829 read => feed constraints.
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/264 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 1 (OVERLAPS) 363/627 variables, 13/13 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/627 variables, 0/13 constraints. Problems are: Problem set: 0 solved, 12 unsolved
SDD proceeding with computation,12 properties remain. new max is 4
SDD size :1 after 5
SDD proceeding with computation,12 properties remain. new max is 8
SDD size :5 after 10
SDD proceeding with computation,12 properties remain. new max is 16
SDD size :10 after 38
SDD proceeding with computation,12 properties remain. new max is 32
SDD size :38 after 40
SDD proceeding with computation,12 properties remain. new max is 64
SDD size :40 after 45
SDD proceeding with computation,12 properties remain. new max is 128
SDD size :45 after 46
SDD proceeding with computation,12 properties remain. new max is 256
SDD size :46 after 50
SDD proceeding with computation,12 properties remain. new max is 512
SDD size :50 after 78
SDD proceeding with computation,12 properties remain. new max is 1024
SDD size :78 after 132
SDD proceeding with computation,12 properties remain. new max is 2048
SDD size :132 after 270
SDD proceeding with computation,12 properties remain. new max is 4096
SDD size :270 after 850
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 18953/18953 variables, and 640 constraints, problems are : Problem set: 0 solved, 12 unsolved in 45074 ms.
Refiners :[Positive P Invariants (semi-flows): 13/13 constraints, State Equation: 627/627 constraints, ReadFeed: 0/829 constraints, PredecessorRefiner: 12/5 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 12 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/264 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 1 (OVERLAPS) 363/627 variables, 13/13 constraints. Problems are: Problem set: 0 solved, 12 unsolved
SDD proceeding with computation,12 properties remain. new max is 8192
SDD size :850 after 3650
At refinement iteration 2 (INCLUDED_ONLY) 0/627 variables, 0/13 constraints. Problems are: Problem set: 0 solved, 12 unsolved
SDD proceeding with computation,12 properties remain. new max is 16384
SDD size :3650 after 18242
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 18953/18953 variables, and 640 constraints, problems are : Problem set: 0 solved, 12 unsolved in 45024 ms.
Refiners :[Positive P Invariants (semi-flows): 13/13 constraints, State Equation: 627/627 constraints, ReadFeed: 0/829 constraints, PredecessorRefiner: 7/5 constraints, Known Traps: 0/0 constraints]
After SMT, in 90926ms problems are : Problem set: 0 solved, 12 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 264 out of 627 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 627/627 places, 31353/31353 transitions.
Applied a total of 0 rules in 313 ms. Remains 627 /627 variables (removed 0) and now considering 31353/31353 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 327 ms. Remains : 627/627 places, 31353/31353 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 627/627 places, 31353/31353 transitions.
Applied a total of 0 rules in 358 ms. Remains 627 /627 variables (removed 0) and now considering 31353/31353 (removed 0) transitions.
[2024-05-25 23:01:56] [INFO ] Flow matrix only has 18326 transitions (discarded 13027 similar events)
[2024-05-25 23:01:56] [INFO ] Invariant cache hit.
[2024-05-25 23:02:06] [INFO ] Implicit Places using invariants in 10006 ms returned []
Implicit Place search using SMT only with invariants took 10027 ms to find 0 implicit places.
Running 31352 sub problems to find dead transitions.
[2024-05-25 23:02:07] [INFO ] Flow matrix only has 18326 transitions (discarded 13027 similar events)
[2024-05-25 23:02:07] [INFO ] Invariant cache hit.
[2024-05-25 23:02:08] [INFO ] State equation strengthened by 829 read => feed constraints.
SDD proceeding with computation,12 properties remain. new max is 32768
SDD size :18242 after 791394

BK_STOP 1716678207680

--------------------
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_1.0.0.202405141337.jar
+ VERSION=202405141337
+ echo 'Running Version 202405141337'
+ /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="RERS17pb113-PT-9"
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 2-5568"
echo " Executing tool itstools"
echo " Input is RERS17pb113-PT-9, 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 r312-tall-171662338000183"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/RERS17pb113-PT-9.tgz
mv RERS17pb113-PT-9 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 ;