Execution Chart

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

Trace from the execution

Formatting '/data/sdalzilio/mcc2026-input.r016-oct2-177944372900343.qcow2', fmt=qcow2 cluster_size=65536 extended_l2=off compression_type=zlib size=4294967296 backing_file=/data/sdalzilio/mcc2026-input.qcow2 backing_fmt=qcow2 lazy_refcounts=off refcount_bits=16
Waiting for the VM to be ready (probing ssh)
........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................
=====================================================================
Generated by BenchKit 2-5973
Executing tool gold2025
Input is AutoFlight-PT-12b, examination is StableMarking
Time confinement is 1800 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r016-oct2-177944372900343
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 792K
-rw-r--r-- 1 mcc users 7.3K Mar 5 16:32 CTLCardinality.txt
-rw-r--r-- 1 mcc users 81K Mar 5 16:32 CTLCardinality.xml
-rw-r--r-- 1 mcc users 4.5K Mar 5 16:32 CTLFireability.txt
-rw-r--r-- 1 mcc users 37K Mar 5 16:32 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K Mar 3 18:30 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 3.9K Mar 15 07:15 LTLCardinality.txt
-rw-r--r-- 1 mcc users 28K Mar 15 07:15 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.2K Mar 15 07:15 LTLFireability.txt
-rw-r--r-- 1 mcc users 18K Mar 15 07:15 LTLFireability.xml
-rw-r--r-- 1 mcc users 17K Mar 5 16:32 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 188K Mar 5 16:32 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 9.2K Mar 5 16:32 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 79K Mar 5 16:32 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.6K Mar 15 07:15 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.7K Mar 15 07:15 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 Mar 3 18:30 equiv_col
-rw-r--r-- 1 mcc users 4 Mar 3 18:30 instance
-rw-r--r-- 1 mcc users 6 Mar 3 18:30 iscolored
-rw-r--r-- 1 mcc users 266K Mar 3 18:30 model.pnml

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

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

The expected result is a vector of booleans
BOOL_VECTOR

FORMULA_NAME StableMarking

=== Now, execution of the tool begins

BK_START 1779688968238

Invoking MCC driver with
GOLD_TOOL=
BK_EXAMINATION=StableMarking
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=1800
BK_INPUT=AutoFlight-PT-12b
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
StableMarking PT
Running Version 202505121319
[2026-05-25 06:02:49] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, StableMarking, -its, -ltsmin, -greatspnpath, /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/, -order, META, -manyOrder, -smt, -timeout, 1800]
[2026-05-25 06:02:49] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-05-25 06:02:50] [INFO ] Load time of PNML (sax parser for PT used): 110 ms
[2026-05-25 06:02:50] [INFO ] Transformed 1126 places.
[2026-05-25 06:02:50] [INFO ] Transformed 1124 transitions.
[2026-05-25 06:02:50] [INFO ] Found NUPN structural information;
[2026-05-25 06:02:50] [INFO ] Parsed PT model containing 1126 places and 1124 transitions and 2618 arcs in 251 ms.
Structural test allowed to assert that 671 places are NOT stable. Took 20 ms.
[2026-05-25 06:02:50] [INFO ] Flatten gal took : 228 ms
[2026-05-25 06:02:50] [INFO ] Flatten gal took : 103 ms
[2026-05-25 06:02:50] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality18065310484981153892.gal : 63 ms
[2026-05-25 06:02:51] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality9575338872274875972.prop : 7 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/ReachabilityCardinality18065310484981153892.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality9575338872274875972.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
RANDOM walk for 40000 steps (72 resets) in 3009 ms. (13 steps per ms) remains 280/455 properties
BEST_FIRST walk for 403 steps (8 resets) in 10 ms. (36 steps per ms) remains 280/280 properties
BEST_FIRST walk for 403 steps (8 resets) in 11 ms. (33 steps per ms) remains 280/280 properties
BEST_FIRST walk for 404 steps (8 resets) in 8 ms. (44 steps per ms) remains 280/280 properties
BEST_FIRST walk for 403 steps (8 resets) in 14 ms. (26 steps per ms) remains 280/280 properties
BEST_FIRST walk for 404 steps (8 resets) in 8 ms. (44 steps per ms) remains 280/280 properties
BEST_FIRST walk for 403 steps (8 resets) in 11 ms. (33 steps per ms) remains 280/280 properties
BEST_FIRST walk for 403 steps (8 resets) in 24 ms. (16 steps per ms) remains 280/280 properties
BEST_FIRST walk for 404 steps (8 resets) in 10 ms. (36 steps per ms) remains 280/280 properties
BEST_FIRST walk for 404 steps (8 resets) in 13 ms. (28 steps per ms) remains 280/280 properties
BEST_FIRST walk for 402 steps (8 resets) in 6 ms. (57 steps per ms) remains 280/280 properties
BEST_FIRST walk for 404 steps (8 resets) in 10 ms. (36 steps per ms) remains 280/280 properties
BEST_FIRST walk for 404 steps (8 resets) in 10 ms. (36 steps per ms) remains 280/280 properties
BEST_FIRST walk for 404 steps (8 resets) in 10 ms. (36 steps per ms) remains 280/280 properties
Loading property file /tmp/ReachabilityCardinality9575338872274875972.prop.
BEST_FIRST walk for 404 steps (8 resets) in 15 ms. (25 steps per ms) remains 280/280 properties
BEST_FIRST walk for 403 steps (8 resets) in 12 ms. (31 steps per ms) remains 280/280 properties
BEST_FIRST walk for 404 steps (8 resets) in 7 ms. (50 steps per ms) remains 280/280 properties
BEST_FIRST walk for 403 steps (8 resets) in 13 ms. (28 steps per ms) remains 280/280 properties
BEST_FIRST walk for 403 steps (8 resets) in 7 ms. (50 steps per ms) remains 280/280 properties
BEST_FIRST walk for 403 steps (8 resets) in 9 ms. (40 steps per ms) remains 280/280 properties
BEST_FIRST walk for 404 steps (8 resets) in 8 ms. (44 steps per ms) remains 280/280 properties
BEST_FIRST walk for 402 steps (8 resets) in 9 ms. (40 steps per ms) remains 280/280 properties
BEST_FIRST walk for 403 steps (8 resets) in 10 ms. (36 steps per ms) remains 280/280 properties
BEST_FIRST walk for 404 steps (8 resets) in 9 ms. (40 steps per ms) remains 280/280 properties
BEST_FIRST walk for 404 steps (8 resets) in 6 ms. (57 steps per ms) remains 280/280 properties
BEST_FIRST walk for 404 steps (8 resets) in 9 ms. (40 steps per ms) remains 280/280 properties
BEST_FIRST walk for 403 steps (8 resets) in 11 ms. (33 steps per ms) remains 280/280 properties
BEST_FIRST walk for 403 steps (8 resets) in 12 ms. (31 steps per ms) remains 280/280 properties
BEST_FIRST walk for 403 steps (8 resets) in 6 ms. (57 steps per ms) remains 280/280 properties
BEST_FIRST walk for 404 steps (8 resets) in 7 ms. (50 steps per ms) remains 280/280 properties
BEST_FIRST walk for 403 steps (8 resets) in 7 ms. (50 steps per ms) remains 280/280 properties
BEST_FIRST walk for 404 steps (8 resets) in 6 ms. (57 steps per ms) remains 280/280 properties
BEST_FIRST walk for 404 steps (8 resets) in 6 ms. (57 steps per ms) remains 280/280 properties
BEST_FIRST walk for 404 steps (8 resets) in 9 ms. (40 steps per ms) remains 280/280 properties
BEST_FIRST walk for 403 steps (8 resets) in 9 ms. (40 steps per ms) remains 280/280 properties
BEST_FIRST walk for 404 steps (8 resets) in 6 ms. (57 steps per ms) remains 280/280 properties
BEST_FIRST walk for 404 steps (8 resets) in 8 ms. (44 steps per ms) remains 280/280 properties
BEST_FIRST walk for 404 steps (8 resets) in 7 ms. (50 steps per ms) remains 280/280 properties
BEST_FIRST walk for 404 steps (8 resets) in 9 ms. (40 steps per ms) remains 280/280 properties
BEST_FIRST walk for 404 steps (8 resets) in 8 ms. (44 steps per ms) remains 280/280 properties
BEST_FIRST walk for 403 steps (8 resets) in 8 ms. (44 steps per ms) remains 280/280 properties
BEST_FIRST walk for 404 steps (8 resets) in 9 ms. (40 steps per ms) remains 280/280 properties
BEST_FIRST walk for 403 steps (8 resets) in 8 ms. (44 steps per ms) remains 280/280 properties
BEST_FIRST walk for 402 steps (8 resets) in 9 ms. (40 steps per ms) remains 280/280 properties
BEST_FIRST walk for 403 steps (8 resets) in 7 ms. (50 steps per ms) remains 280/280 properties
BEST_FIRST walk for 404 steps (8 resets) in 6 ms. (57 steps per ms) remains 280/280 properties
BEST_FIRST walk for 404 steps (8 resets) in 9 ms. (40 steps per ms) remains 280/280 properties
BEST_FIRST walk for 403 steps (8 resets) in 9 ms. (40 steps per ms) remains 280/280 properties
BEST_FIRST walk for 403 steps (8 resets) in 6 ms. (57 steps per ms) remains 280/280 properties
BEST_FIRST walk for 404 steps (8 resets) in 7 ms. (50 steps per ms) remains 280/280 properties
BEST_FIRST walk for 403 steps (8 resets) in 6 ms. (57 steps per ms) remains 280/280 properties
// Phase 1: matrix 1124 rows 1126 cols
[2026-05-25 06:02:51] [INFO ] Computed 76 invariants in 39 ms
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
SDD proceeding with computation,455 properties remain. new max is 4
SDD size :1 after 3
SDD proceeding with computation,455 properties remain. new max is 8
SDD size :3 after 8
SDD proceeding with computation,455 properties remain. new max is 16
SDD size :8 after 17
SDD proceeding with computation,455 properties remain. new max is 32
SDD size :17 after 34
SDD proceeding with computation,455 properties remain. new max is 64
SDD size :34 after 68
SDD proceeding with computation,455 properties remain. new max is 128
SDD size :68 after 511
SDD proceeding with computation,455 properties remain. new max is 256
SDD size :511 after 8.77433e+07
SDD proceeding with computation,455 properties remain. new max is 512
SDD size :8.77433e+07 after 3.3187e+18
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/280 variables, 280/280 constraints. Problems are: Problem set: 0 solved, 280 unsolved
SDD proceeding with computation,455 properties remain. new max is 1024
SDD size :3.3187e+18 after 6.2762e+39
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 280/2250 variables, and 280 constraints, problems are : Problem set: 0 solved, 280 unsolved in 5065 ms.
Refiners :[Domain max(s): 280/1126 constraints, Positive P Invariants (semi-flows): 0/75 constraints, Generalized P Invariants (flows): 0/1 constraints, State Equation: 0/1126 constraints, PredecessorRefiner: 280/280 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 280 unsolved
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/280 variables, 280/280 constraints. Problems are: Problem set: 0 solved, 280 unsolved
SDD proceeding with computation,455 properties remain. new max is 2048
SDD size :6.2762e+39 after 1.12772e+62
At refinement iteration 1 (INCLUDED_ONLY) 0/280 variables, 0/280 constraints. Problems are: Problem set: 0 solved, 280 unsolved
At refinement iteration 2 (OVERLAPS) 613/893 variables, 49/329 constraints. Problems are: Problem set: 0 solved, 280 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/893 variables, 613/942 constraints. Problems are: Problem set: 0 solved, 280 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 06:03:01] [INFO ] Deduced a trap composed of 69 places in 192 ms of which 36 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 06:03:01] [INFO ] Deduced a trap composed of 69 places in 162 ms of which 26 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 06:03:01] [INFO ] Deduced a trap composed of 69 places in 173 ms of which 46 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 06:03:01] [INFO ] Deduced a trap composed of 69 places in 124 ms of which 24 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 06:03:01] [INFO ] Deduced a trap composed of 69 places in 105 ms of which 14 ms to minimize.
SMT process timed out in 10380ms, After SMT, problems are : Problem set: 0 solved, 280 unsolved
Fused 280 Parikh solutions to 1 different solutions.
Parikh walk visited 0 properties in 0 ms.
Support contains 280 out of 1126 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 1126/1126 places, 1124/1124 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 350 transitions
Trivial Post-agglo rules discarded 350 transitions
Performed 350 trivial Post agglomeration. Transition count delta: 350
Iterating post reduction 0 with 350 rules applied. Total rules applied 350 place count 1126 transition count 774
Reduce places removed 350 places and 0 transitions.
Ensure Unique test removed 40 transitions
Reduce isomorphic transitions removed 40 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 24 transitions
Trivial Post-agglo rules discarded 24 transitions
Performed 24 trivial Post agglomeration. Transition count delta: 24
Iterating post reduction 1 with 414 rules applied. Total rules applied 764 place count 776 transition count 710
Reduce places removed 24 places and 0 transitions.
Iterating post reduction 2 with 24 rules applied. Total rules applied 788 place count 752 transition count 710
Performed 89 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 89 Pre rules applied. Total rules applied 788 place count 752 transition count 621
Deduced a syphon composed of 89 places in 2 ms
Reduce places removed 89 places and 0 transitions.
Iterating global reduction 3 with 178 rules applied. Total rules applied 966 place count 663 transition count 621
Discarding 31 places :
Symmetric choice reduction at 3 with 31 rule applications. Total rules 997 place count 632 transition count 590
Iterating global reduction 3 with 31 rules applied. Total rules applied 1028 place count 632 transition count 590
Performed 24 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 24 Pre rules applied. Total rules applied 1028 place count 632 transition count 566
Deduced a syphon composed of 24 places in 4 ms
Reduce places removed 24 places and 0 transitions.
Iterating global reduction 3 with 48 rules applied. Total rules applied 1076 place count 608 transition count 566
Performed 129 Post agglomeration using F-continuation condition.Transition count delta: 129
Deduced a syphon composed of 129 places in 0 ms
Reduce places removed 129 places and 0 transitions.
Iterating global reduction 3 with 258 rules applied. Total rules applied 1334 place count 479 transition count 437
Renaming transitions due to excessive name length > 1024 char.
Drop transitions (Redundant composition of simpler transitions.) removed 20 transitions
Redundant transition composition rules discarded 20 transitions
Iterating global reduction 3 with 20 rules applied. Total rules applied 1354 place count 479 transition count 417
Free-agglomeration rule applied 48 times.
Iterating global reduction 3 with 48 rules applied. Total rules applied 1402 place count 479 transition count 369
Reduce places removed 48 places and 0 transitions.
Iterating post reduction 3 with 48 rules applied. Total rules applied 1450 place count 431 transition count 369
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 4 with 1 rules applied. Total rules applied 1451 place count 430 transition count 368
Reduce places removed 13 places and 0 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 3 transitions
Trivial Post-agglo rules discarded 3 transitions
Performed 3 trivial Post agglomeration. Transition count delta: 3
Iterating post reduction 4 with 16 rules applied. Total rules applied 1467 place count 417 transition count 365
Reduce places removed 3 places and 0 transitions.
Iterating post reduction 5 with 3 rules applied. Total rules applied 1470 place count 414 transition count 365
Performed 14 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 6 with 14 Pre rules applied. Total rules applied 1470 place count 414 transition count 351
Deduced a syphon composed of 14 places in 0 ms
Reduce places removed 14 places and 0 transitions.
Iterating global reduction 6 with 28 rules applied. Total rules applied 1498 place count 400 transition count 351
Applied a total of 1498 rules in 255 ms. Remains 400 /1126 variables (removed 726) and now considering 351/1124 (removed 773) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 260 ms. Remains : 400/1126 places, 351/1124 transitions.
RANDOM walk for 4206 steps (0 resets) in 160 ms. (26 steps per ms) remains 0/280 properties
ITS runner timed out or was interrupted.
ITS tools runner thread asked to quit. Dying gracefully.
Able to resolve query StableMarking after proving 456 properties.
FORMULA StableMarking FALSE TECHNIQUES RANDOM_WALK MARKED_SUFFIX_TEST TOPOLOGICAL
Total runtime 12308 ms.

BK_STOP 1779688982207

--------------------
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
+ [[ StableMarking = StateSpace ]]
+ /home/mcc/BenchKit/bin//../itstools/bin//..//runeclipse.sh /home/mcc/execution StableMarking -its -ltsmin -greatspnpath /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/ -order META -manyOrder -smt -timeout 1800
+ ulimit -s 65536
+ [[ -z '' ]]
+ export LTSMIN_MEM_SIZE=8589934592
+ LTSMIN_MEM_SIZE=8589934592
++ perl -pe 's/.*\.//g'
++ sed s/.jar//
++ 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 StableMarking -its -ltsmin -greatspnpath /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/ -order META -manyOrder -smt -timeout 1800

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="AutoFlight-PT-12b"
export BK_EXAMINATION="StableMarking"
export BK_TOOL="gold2025"
export BK_RESULT_DIR="/tmp/BK_RESULTS/OUTPUTS"
export BK_TIME_CONFINEMENT="1800"
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 2-5973"
echo " Executing tool gold2025"
echo " Input is AutoFlight-PT-12b, examination is StableMarking"
echo " Time confinement is $BK_TIME_CONFINEMENT seconds"
echo " Memory confinement is 16384 MBytes"
echo " Number of cores is 4"
echo " Run identifier is r016-oct2-177944372900343"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/AutoFlight-PT-12b.tgz
mv AutoFlight-PT-12b execution
cd execution
if [ "StableMarking" = "ReachabilityDeadlock" ] || [ "StableMarking" = "UpperBounds" ] || [ "StableMarking" = "QuasiLiveness" ] || [ "StableMarking" = "StableMarking" ] || [ "StableMarking" = "Liveness" ] || [ "StableMarking" = "OneSafe" ] || [ "StableMarking" = "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 [ "StableMarking" = "UpperBounds" ] ; then
echo "The expected result is a vector of positive values"
echo NUM_VECTOR
elif [ "StableMarking" != "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 "StableMarking.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 '' StableMarking.xml | cut -d '>' -f 2 | cut -d '<' -f 1 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ "StableMarking" = "ReachabilityDeadlock" ] || [ "StableMarking" = "QuasiLiveness" ] || [ "StableMarking" = "StableMarking" ] || [ "StableMarking" = "Liveness" ] || [ "StableMarking" = "OneSafe" ] ; then
echo "FORMULA_NAME StableMarking"
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 ;