Execution Chart

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

Trace from the execution

Formatting '/data/fkordon/mcc2024-input.r498-tall-171640617000058.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 ltsminxred
Input is FlexibleBarrier-PT-14b, examination is StableMarking
Time confinement is 1800 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r498-tall-171640617000058
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 1.1M
-rw-r--r-- 1 mcc users 7.5K May 14 13:22 CTLCardinality.txt
-rw-r--r-- 1 mcc users 80K May 14 13:22 CTLCardinality.xml
-rw-r--r-- 1 mcc users 6.6K May 14 13:22 CTLFireability.txt
-rw-r--r-- 1 mcc users 64K May 14 13:22 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K May 18 16:42 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 3.5K May 19 07:09 LTLCardinality.txt
-rw-r--r-- 1 mcc users 24K May 19 15:53 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.2K May 19 07:18 LTLFireability.txt
-rw-r--r-- 1 mcc users 18K May 19 18:21 LTLFireability.xml
-rw-r--r-- 1 mcc users 7.4K Apr 13 08:01 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 68K Apr 13 08:01 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 6.1K Apr 13 08:01 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 45K Apr 13 08:01 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.7K Apr 22 14:45 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.8K Apr 22 14:45 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 May 18 16:42 equiv_col
-rw-r--r-- 1 mcc users 4 May 18 16:42 instance
-rw-r--r-- 1 mcc users 6 May 18 16:42 iscolored
-rw-r--r-- 1 mcc users 726K May 18 16:42 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 1717192673203

Invoking MCC driver with
BK_TOOL=ltsminxred
BK_EXAMINATION=StableMarking
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=1800
BK_INPUT=FlexibleBarrier-PT-14b
BK_MEMORY_CONFINEMENT=16384
Applying reductions before tool ltsmin
Invoking reducer
Running Version 202405141337
[2024-05-31 21:57:54] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, StableMarking, -timeout, 180, -rebuildPNML]
[2024-05-31 21:57:54] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2024-05-31 21:57:54] [INFO ] Load time of PNML (sax parser for PT used): 165 ms
[2024-05-31 21:57:54] [INFO ] Transformed 2678 places.
[2024-05-31 21:57:54] [INFO ] Transformed 3085 transitions.
[2024-05-31 21:57:54] [INFO ] Found NUPN structural information;
[2024-05-31 21:57:54] [INFO ] Parsed PT model containing 2678 places and 3085 transitions and 7733 arcs in 283 ms.
Graph (trivial) has 2634 edges and 2678 vertex of which 86 / 2678 are part of one of the 14 SCC in 12 ms
Free SCC test removed 72 places
Structural test allowed to assert that 700 places are NOT stable. Took 45 ms.
Ensure Unique test removed 73 transitions
Reduce redundant transitions removed 73 transitions.
RANDOM walk for 40000 steps (558 resets) in 4890 ms. (8 steps per ms) remains 1822/1978 properties
BEST_FIRST walk for 120 steps (8 resets) in 17 ms. (6 steps per ms) remains 1822/1822 properties
BEST_FIRST walk for 121 steps (8 resets) in 14 ms. (8 steps per ms) remains 1822/1822 properties
BEST_FIRST walk for 120 steps (8 resets) in 16 ms. (7 steps per ms) remains 1822/1822 properties
BEST_FIRST walk for 121 steps (8 resets) in 44 ms. (2 steps per ms) remains 1822/1822 properties
BEST_FIRST walk for 121 steps (8 resets) in 10 ms. (11 steps per ms) remains 1822/1822 properties
BEST_FIRST walk for 121 steps (8 resets) in 10 ms. (11 steps per ms) remains 1822/1822 properties
BEST_FIRST walk for 122 steps (8 resets) in 12 ms. (9 steps per ms) remains 1822/1822 properties
BEST_FIRST walk for 123 steps (8 resets) in 11 ms. (10 steps per ms) remains 1822/1822 properties
BEST_FIRST walk for 123 steps (8 resets) in 15 ms. (7 steps per ms) remains 1822/1822 properties
BEST_FIRST walk for 121 steps (8 resets) in 8 ms. (13 steps per ms) remains 1822/1822 properties
BEST_FIRST walk for 122 steps (8 resets) in 16 ms. (7 steps per ms) remains 1822/1822 properties
BEST_FIRST walk for 123 steps (8 resets) in 10 ms. (11 steps per ms) remains 1822/1822 properties
BEST_FIRST walk for 122 steps (8 resets) in 17 ms. (6 steps per ms) remains 1822/1822 properties
BEST_FIRST walk for 121 steps (8 resets) in 17 ms. (6 steps per ms) remains 1822/1822 properties
BEST_FIRST walk for 123 steps (8 resets) in 11 ms. (10 steps per ms) remains 1822/1822 properties
BEST_FIRST walk for 122 steps (8 resets) in 14 ms. (8 steps per ms) remains 1822/1822 properties
BEST_FIRST walk for 122 steps (8 resets) in 12 ms. (9 steps per ms) remains 1822/1822 properties
BEST_FIRST walk for 121 steps (8 resets) in 9 ms. (12 steps per ms) remains 1822/1822 properties
BEST_FIRST walk for 123 steps (8 resets) in 9 ms. (12 steps per ms) remains 1822/1822 properties
BEST_FIRST walk for 123 steps (8 resets) in 16 ms. (7 steps per ms) remains 1822/1822 properties
BEST_FIRST walk for 123 steps (8 resets) in 9 ms. (12 steps per ms) remains 1822/1822 properties
BEST_FIRST walk for 122 steps (8 resets) in 13 ms. (8 steps per ms) remains 1822/1822 properties
BEST_FIRST walk for 122 steps (8 resets) in 10 ms. (11 steps per ms) remains 1822/1822 properties
BEST_FIRST walk for 123 steps (8 resets) in 9 ms. (12 steps per ms) remains 1822/1822 properties
BEST_FIRST walk for 121 steps (8 resets) in 10 ms. (11 steps per ms) remains 1822/1822 properties
BEST_FIRST walk for 122 steps (8 resets) in 13 ms. (8 steps per ms) remains 1822/1822 properties
BEST_FIRST walk for 122 steps (8 resets) in 9 ms. (12 steps per ms) remains 1822/1822 properties
BEST_FIRST walk for 123 steps (8 resets) in 10 ms. (11 steps per ms) remains 1822/1822 properties
BEST_FIRST walk for 122 steps (8 resets) in 10 ms. (11 steps per ms) remains 1822/1822 properties
BEST_FIRST walk for 124 steps (8 resets) in 10 ms. (11 steps per ms) remains 1822/1822 properties
BEST_FIRST walk for 123 steps (8 resets) in 13 ms. (8 steps per ms) remains 1822/1822 properties
BEST_FIRST walk for 120 steps (8 resets) in 9 ms. (12 steps per ms) remains 1822/1822 properties
BEST_FIRST walk for 122 steps (8 resets) in 12 ms. (9 steps per ms) remains 1822/1822 properties
BEST_FIRST walk for 123 steps (8 resets) in 13 ms. (8 steps per ms) remains 1822/1822 properties
BEST_FIRST walk for 122 steps (8 resets) in 9 ms. (12 steps per ms) remains 1822/1822 properties
BEST_FIRST walk for 122 steps (8 resets) in 9 ms. (12 steps per ms) remains 1822/1822 properties
BEST_FIRST walk for 123 steps (8 resets) in 10 ms. (11 steps per ms) remains 1822/1822 properties
BEST_FIRST walk for 122 steps (8 resets) in 19 ms. (6 steps per ms) remains 1822/1822 properties
BEST_FIRST walk for 122 steps (8 resets) in 9 ms. (12 steps per ms) remains 1822/1822 properties
BEST_FIRST walk for 123 steps (8 resets) in 10 ms. (11 steps per ms) remains 1822/1822 properties
BEST_FIRST walk for 121 steps (8 resets) in 9 ms. (12 steps per ms) remains 1822/1822 properties
BEST_FIRST walk for 121 steps (8 resets) in 10 ms. (11 steps per ms) remains 1822/1822 properties
BEST_FIRST walk for 121 steps (8 resets) in 10 ms. (11 steps per ms) remains 1822/1822 properties
BEST_FIRST walk for 120 steps (8 resets) in 8 ms. (13 steps per ms) remains 1822/1822 properties
BEST_FIRST walk for 122 steps (8 resets) in 13 ms. (8 steps per ms) remains 1822/1822 properties
BEST_FIRST walk for 123 steps (8 resets) in 9 ms. (12 steps per ms) remains 1822/1822 properties
BEST_FIRST walk for 122 steps (8 resets) in 10 ms. (11 steps per ms) remains 1822/1822 properties
BEST_FIRST walk for 122 steps (8 resets) in 11 ms. (10 steps per ms) remains 1822/1822 properties
BEST_FIRST walk for 122 steps (8 resets) in 8 ms. (13 steps per ms) remains 1822/1822 properties
BEST_FIRST walk for 121 steps (8 resets) in 8 ms. (13 steps per ms) remains 1822/1822 properties
Probabilistic random walk after 30001 steps, saw 11994 distinct states, run finished after 2263 ms. (steps per millisecond=13 ) properties seen :0
[2024-05-31 21:57:58] [INFO ] Flow matrix only has 2999 transitions (discarded 13 similar events)
// Phase 1: matrix 2999 rows 2606 cols
[2024-05-31 21:57:58] [INFO ] Computed 16 invariants in 69 ms
[2024-05-31 21:57:58] [INFO ] State equation strengthened by 1 read => feed constraints.
Error getting values : (error "ParserException while parsing response: (timeout
org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
At refinement iteration 0 (INCLUDED_ONLY) 0/1822 variables, 1822/1822 constraints. Problems are: Problem set: 0 solved, 1822 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 1822/5605 variables, and 1822 constraints, problems are : Problem set: 0 solved, 1822 unsolved in 5133 ms.
Refiners :[Domain max(s): 1822/2606 constraints, Positive P Invariants (semi-flows): 0/16 constraints, State Equation: 0/2606 constraints, ReadFeed: 0/1 constraints, PredecessorRefiner: 1822/1822 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1822 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1822 variables, 1822/1822 constraints. Problems are: Problem set: 0 solved, 1822 unsolved
Error getting values : (error "ParserException while parsing response: ((s15 1)
(s16 1)
(s17 1)
(s18 1)
(s19 1)
(s20 1)
(s21 1)
(s22 1)
(s23 1)
(s24 1)
(s25 1)
(s26 1)
(s27 1)
(s28 1)
(s29 1)
(s30 1)
(s31 1)
(s32 1)
(s33 1)
(s34 1)
(s35 1)
(s36 1)
(s37 1)
(s38 1)
(s39 1)
(s40 1)
(s41 1)
(s42 1)
(s43 1)
(s44 1)
(s45 1)
(s46 1)
(s47 1)
(s48 1)
(s49 1)
(s50 1)
(s51 1)
(s52 1)
(s53 1)
(s54 1)
(s55 1)
(s56 1)
(s57 1)
(s58 1)
(s59 1)
(s60 1)
(s61 1)
(s62 1)
(s63 1)
(s64 1)
(s65 1)
(s67 1)
(s69 1)
(s71 1)
(s73 1)
(s75 1)
(s77 1)
(s79 1)
(s81 1)
(s83 1)
(s85 1)
(s87 1)
(s89 1)
(s91 1)
(s93 1)
(s95 1)
(s97 1)
(s99 1)
(s101 1)
(s103 1)
(s105 1)
(s107 1)
(s109 1)
(s111 1)
(s118 1)
(s121 1)
(s122 1)
(s123 1)
(s124 1)
(s132 1)
(s133 1)
(s134 1)
(s135 1)
(s136 1)
(s137 1)
(s142 1)
(s143 1)
(s144 1)
(s145 1)
(s146 1)
(s147 1)
(s148 1)
(s149 1)
(s150 1)
(s151 1)
(s152 1)
(s153 1)
(s154 1)
(s155 1)
(s156 1)
(s157 1)
(s158 1)
(s159 1)
(s160 1)
(s161 1)
(s162 1)
(s163 1)
(s164 1)
(s165 1)
(s166 1)
(s167 1)
(s168 1)
(s169 1)
(s170 1)
(s171 1)
(s172 1)
(s173 1)
(s174 1)
(s175 1)
(s176 1)
(s177 1)
(s178 1)
(s179 1)
(s180 1)
(s181 1)
(s182 1)
(s183 1)
(s184 1)
(s185 1)
(s186 1)
(s187 1)
(s188 1)
(s189 1)
(s190 1)
(s191 1)
(s192 1)
(s194 1)
(s196 1)
(s198 1)
(s200 1)
(s202 1)
(s204 1)
(s206 1)
(s208 1)
(s210 1)
(s212 1)
(s214 1)
(s216 1)
(s218 1)
(s220 1)
(s222 1)
(s224 1)
(s226 1)
(s228 1)
(s230 1)
(s232 1)
(s234 1)
(s236 1)
(s238 1)
(s241 1)
(s245 1)
(s246 1)
(s247 1)
(s248 1)
(s249 1)
(s250 1)
(s251 1)
(s259 1)
(s260 1)
(s261 1)
(s262 1)
(s263 1)
(s264 1)
(s269 1)
(s270 1)
(s271 1)
(s272 1)
(s273 1)
(s274 1)
(s275 1)
(s276 1)
(s277 1)
(s278 1)
(s279 1)
(s280 1)
(s281 1)
(s282 1)
(s283 1)
(s284 1)
(s285 1)
(s286 1)
(s287 1)
(s288 1)
(s289 1)
(s290 1)
(s291 1)
(s292 1)
(s293 1)
(s294 1)
(s295 1)
(s296 1)
(s297 1)
(s298 1)
(s299 1)
(s300 1)
(s301 1)
(s302 1)
(s303 1)
(s304 1)
(s305 1)
(s306 1)
(s307 1)
(s308 1)
(s309 1)
(s310 1)
(s311 1)
(s312 1)
(s313 1)
(s314 1)
(s315 1)
(s316 1)
(s317 1)
(s318 1)
(s319 1)
(s321 1)
(s323 1)
(s325 1)
(s327 1)
(s329 1)
(s331 1)
(s333 1)
(s335 1)
(s337 1)
(s339 1)
(s341 1)
(s343 1)
(s345 1)
(s347 1)
(s349 1)
(s351 1)
(s353 1)
(s355 1)
(s357 1)
(s359 1)
(s361 1)
(s363 1)
(s365 1)
(s372 1)
(s375 timeout
org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 1822/5605 variables, and 1822 constraints, problems are : Problem set: 0 solved, 1822 unsolved in 5030 ms.
Refiners :[Domain max(s): 1822/2606 constraints, Positive P Invariants (semi-flows): 0/16 constraints, State Equation: 0/2606 constraints, ReadFeed: 0/1 constraints, PredecessorRefiner: 0/1822 constraints, Known Traps: 0/0 constraints]
After SMT, in 10950ms problems are : Problem set: 0 solved, 1822 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 1822 out of 2606 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 2606/2606 places, 3012/3012 transitions.
Drop transitions (Empty/Sink Transition effects.) removed 14 transitions
Reduce isomorphic transitions removed 14 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 115 transitions
Trivial Post-agglo rules discarded 115 transitions
Performed 115 trivial Post agglomeration. Transition count delta: 115
Iterating post reduction 0 with 129 rules applied. Total rules applied 129 place count 2606 transition count 2883
Reduce places removed 115 places and 0 transitions.
Iterating post reduction 1 with 115 rules applied. Total rules applied 244 place count 2491 transition count 2883
Discarding 18 places :
Symmetric choice reduction at 2 with 18 rule applications. Total rules 262 place count 2473 transition count 2865
Iterating global reduction 2 with 18 rules applied. Total rules applied 280 place count 2473 transition count 2865
Performed 55 Post agglomeration using F-continuation condition.Transition count delta: 55
Deduced a syphon composed of 55 places in 1 ms
Reduce places removed 55 places and 0 transitions.
Iterating global reduction 2 with 110 rules applied. Total rules applied 390 place count 2418 transition count 2810
Drop transitions (Empty/Sink Transition effects.) removed 12 transitions
Reduce isomorphic transitions removed 12 transitions.
Iterating post reduction 2 with 12 rules applied. Total rules applied 402 place count 2418 transition count 2798
Free-agglomeration rule applied 535 times.
Iterating global reduction 3 with 535 rules applied. Total rules applied 937 place count 2418 transition count 2263
Reduce places removed 535 places and 0 transitions.
Iterating post reduction 3 with 535 rules applied. Total rules applied 1472 place count 1883 transition count 2263
Partial Free-agglomeration rule applied 1 times.
Drop transitions (Partial Free agglomeration) removed 1 transitions
Iterating global reduction 4 with 1 rules applied. Total rules applied 1473 place count 1883 transition count 2263
Drop transitions (Empty/Sink Transition effects.) removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 4 with 1 rules applied. Total rules applied 1474 place count 1883 transition count 2262
Partial Post-agglomeration rule applied 2 times.
Drop transitions (Partial Post agglomeration) removed 2 transitions
Iterating global reduction 5 with 2 rules applied. Total rules applied 1476 place count 1883 transition count 2262
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 5 with 1 rules applied. Total rules applied 1477 place count 1882 transition count 2261
Applied a total of 1477 rules in 924 ms. Remains 1882 /2606 variables (removed 724) and now considering 2261/3012 (removed 751) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 934 ms. Remains : 1882/2606 places, 2261/3012 transitions.
RANDOM walk for 393010 steps (0 resets) in 10213 ms. (38 steps per ms) remains 0/1822 properties
Able to resolve query StableMarking after proving 1980 properties.
FORMULA StableMarking FALSE TECHNIQUES RANDOM_WALK MARKED_SUFFIX_TEST TRIVIAL_UNMARKED_SCC_TEST TOPOLOGICAL
Total runtime 19131 ms.
ITS solved all properties within timeout

BK_STOP 1717192693530

--------------------
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_1.0.0.202405141337.jar
+ VERSION=202405141337
+ echo 'Running Version 202405141337'
+ /home/mcc/BenchKit/bin//../reducer/bin//../../itstools//itstools/its-tools -pnfolder /home/mcc/execution -examination StableMarking -timeout 180 -rebuildPNML

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="FlexibleBarrier-PT-14b"
export BK_EXAMINATION="StableMarking"
export BK_TOOL="ltsminxred"
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 2-5568"
echo " Executing tool ltsminxred"
echo " Input is FlexibleBarrier-PT-14b, 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 r498-tall-171640617000058"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/FlexibleBarrier-PT-14b.tgz
mv FlexibleBarrier-PT-14b 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.txt" ] ; then
echo "here is the order used to build the result vector(from text file)"
for x in $(grep Property StableMarking.txt | cut -d ' ' -f 2 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ -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 ;