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.r514-smll-171654416600048.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)
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=====================================================================
Generated by BenchKit 2-5568
Executing tool ltsminxred
Input is Parking-PT-416, examination is StableMarking
Time confinement is 1800 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r514-smll-171654416600048
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 508K
-rw-r--r-- 1 mcc users 6.8K May 14 13:22 CTLCardinality.txt
-rw-r--r-- 1 mcc users 76K May 14 13:22 CTLCardinality.xml
-rw-r--r-- 1 mcc users 5.2K May 14 13:22 CTLFireability.txt
-rw-r--r-- 1 mcc users 49K 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 3.5K May 19 07:12 LTLCardinality.txt
-rw-r--r-- 1 mcc users 26K May 19 16:12 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.1K May 19 07:24 LTLFireability.txt
-rw-r--r-- 1 mcc users 19K May 19 18:44 LTLFireability.xml
-rw-r--r-- 1 mcc users 6.7K Apr 11 17:08 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 62K Apr 11 17:08 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 9.5K Apr 11 16:59 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 87K Apr 11 16:59 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.6K Apr 23 07:41 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.6K Apr 23 07:41 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 May 18 16:43 equiv_col
-rw-r--r-- 1 mcc users 4 May 18 16:43 instance
-rw-r--r-- 1 mcc users 6 May 18 16:43 iscolored
-rw-r--r-- 1 mcc users 107K 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

FORMULA_NAME StableMarking

=== Now, execution of the tool begins

BK_START 1717242765372

Invoking MCC driver with
BK_TOOL=ltsminxred
BK_EXAMINATION=StableMarking
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=1800
BK_INPUT=Parking-PT-416
BK_MEMORY_CONFINEMENT=16384
Applying reductions before tool ltsmin
Invoking reducer
Running Version 202405141337
[2024-06-01 11:52:47] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, StableMarking, -timeout, 180, -rebuildPNML]
[2024-06-01 11:52:47] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2024-06-01 11:52:48] [INFO ] Load time of PNML (sax parser for PT used): 268 ms
[2024-06-01 11:52:48] [INFO ] Transformed 305 places.
[2024-06-01 11:52:48] [INFO ] Transformed 433 transitions.
[2024-06-01 11:52:48] [INFO ] Found NUPN structural information;
[2024-06-01 11:52:48] [INFO ] Parsed PT model containing 305 places and 433 transitions and 1289 arcs in 654 ms.
Structural test allowed to assert that 121 places are NOT stable. Took 18 ms.
Ensure Unique test removed 176 transitions
Reduce redundant transitions removed 176 transitions.
RANDOM walk for 40000 steps (509 resets) in 4177 ms. (9 steps per ms) remains 43/184 properties
BEST_FIRST walk for 4004 steps (8 resets) in 29 ms. (133 steps per ms) remains 43/43 properties
BEST_FIRST walk for 4004 steps (8 resets) in 20 ms. (190 steps per ms) remains 43/43 properties
BEST_FIRST walk for 4004 steps (8 resets) in 23 ms. (166 steps per ms) remains 43/43 properties
BEST_FIRST walk for 4004 steps (8 resets) in 27 ms. (143 steps per ms) remains 43/43 properties
BEST_FIRST walk for 4004 steps (8 resets) in 24 ms. (160 steps per ms) remains 43/43 properties
BEST_FIRST walk for 4004 steps (8 resets) in 34 ms. (114 steps per ms) remains 43/43 properties
BEST_FIRST walk for 4004 steps (8 resets) in 24 ms. (160 steps per ms) remains 43/43 properties
BEST_FIRST walk for 4004 steps (8 resets) in 18 ms. (210 steps per ms) remains 43/43 properties
BEST_FIRST walk for 4004 steps (8 resets) in 45 ms. (87 steps per ms) remains 43/43 properties
BEST_FIRST walk for 4004 steps (8 resets) in 22 ms. (174 steps per ms) remains 43/43 properties
BEST_FIRST walk for 4004 steps (8 resets) in 24 ms. (160 steps per ms) remains 43/43 properties
BEST_FIRST walk for 4004 steps (8 resets) in 25 ms. (154 steps per ms) remains 43/43 properties
BEST_FIRST walk for 4004 steps (8 resets) in 17 ms. (222 steps per ms) remains 43/43 properties
BEST_FIRST walk for 4004 steps (8 resets) in 27 ms. (143 steps per ms) remains 43/43 properties
BEST_FIRST walk for 4004 steps (8 resets) in 27 ms. (143 steps per ms) remains 43/43 properties
BEST_FIRST walk for 4004 steps (8 resets) in 24 ms. (160 steps per ms) remains 43/43 properties
BEST_FIRST walk for 4004 steps (8 resets) in 19 ms. (200 steps per ms) remains 43/43 properties
BEST_FIRST walk for 4003 steps (8 resets) in 19 ms. (200 steps per ms) remains 43/43 properties
BEST_FIRST walk for 4004 steps (8 resets) in 23 ms. (166 steps per ms) remains 43/43 properties
BEST_FIRST walk for 4004 steps (8 resets) in 20 ms. (190 steps per ms) remains 43/43 properties
BEST_FIRST walk for 4004 steps (8 resets) in 19 ms. (200 steps per ms) remains 43/43 properties
BEST_FIRST walk for 4004 steps (8 resets) in 24 ms. (160 steps per ms) remains 43/43 properties
BEST_FIRST walk for 4004 steps (8 resets) in 29 ms. (133 steps per ms) remains 43/43 properties
BEST_FIRST walk for 4003 steps (8 resets) in 23 ms. (166 steps per ms) remains 43/43 properties
BEST_FIRST walk for 4004 steps (8 resets) in 21 ms. (182 steps per ms) remains 43/43 properties
BEST_FIRST walk for 4004 steps (8 resets) in 21 ms. (182 steps per ms) remains 43/43 properties
BEST_FIRST walk for 4004 steps (8 resets) in 19 ms. (200 steps per ms) remains 43/43 properties
BEST_FIRST walk for 4004 steps (8 resets) in 26 ms. (148 steps per ms) remains 43/43 properties
BEST_FIRST walk for 4004 steps (8 resets) in 20 ms. (190 steps per ms) remains 43/43 properties
BEST_FIRST walk for 4004 steps (8 resets) in 24 ms. (160 steps per ms) remains 43/43 properties
BEST_FIRST walk for 4004 steps (8 resets) in 14 ms. (266 steps per ms) remains 43/43 properties
BEST_FIRST walk for 4004 steps (8 resets) in 16 ms. (235 steps per ms) remains 43/43 properties
BEST_FIRST walk for 4004 steps (8 resets) in 15 ms. (250 steps per ms) remains 43/43 properties
BEST_FIRST walk for 4004 steps (8 resets) in 16 ms. (235 steps per ms) remains 43/43 properties
BEST_FIRST walk for 4004 steps (8 resets) in 29 ms. (133 steps per ms) remains 43/43 properties
BEST_FIRST walk for 4004 steps (8 resets) in 13 ms. (286 steps per ms) remains 43/43 properties
BEST_FIRST walk for 4004 steps (8 resets) in 14 ms. (266 steps per ms) remains 43/43 properties
BEST_FIRST walk for 4004 steps (8 resets) in 15 ms. (250 steps per ms) remains 43/43 properties
BEST_FIRST walk for 4004 steps (8 resets) in 17 ms. (222 steps per ms) remains 43/43 properties
BEST_FIRST walk for 4004 steps (8 resets) in 14 ms. (266 steps per ms) remains 43/43 properties
BEST_FIRST walk for 4004 steps (8 resets) in 14 ms. (266 steps per ms) remains 43/43 properties
BEST_FIRST walk for 4004 steps (8 resets) in 15 ms. (250 steps per ms) remains 43/43 properties
BEST_FIRST walk for 4004 steps (8 resets) in 15 ms. (250 steps per ms) remains 43/43 properties
// Phase 1: matrix 257 rows 305 cols
[2024-06-01 11:52:50] [INFO ] Computed 76 invariants in 32 ms
[2024-06-01 11:52:50] [INFO ] State equation strengthened by 60 read => feed constraints.
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/43 variables, 43/43 constraints. Problems are: Problem set: 0 solved, 43 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/43 variables, 0/43 constraints. Problems are: Problem set: 0 solved, 43 unsolved
At refinement iteration 2 (OVERLAPS) 101/144 variables, 14/57 constraints. Problems are: Problem set: 0 solved, 43 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/144 variables, 101/158 constraints. Problems are: Problem set: 0 solved, 43 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/144 variables, 0/158 constraints. Problems are: Problem set: 0 solved, 43 unsolved
At refinement iteration 5 (OVERLAPS) 136/280 variables, 58/216 constraints. Problems are: Problem set: 0 solved, 43 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/280 variables, 136/352 constraints. Problems are: Problem set: 0 solved, 43 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/280 variables, 0/352 constraints. Problems are: Problem set: 0 solved, 43 unsolved
At refinement iteration 8 (OVERLAPS) 25/305 variables, 4/356 constraints. Problems are: Problem set: 0 solved, 43 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/305 variables, 25/381 constraints. Problems are: Problem set: 0 solved, 43 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/305 variables, 0/381 constraints. Problems are: Problem set: 0 solved, 43 unsolved
At refinement iteration 11 (OVERLAPS) 257/562 variables, 305/686 constraints. Problems are: Problem set: 0 solved, 43 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/562 variables, 60/746 constraints. Problems are: Problem set: 0 solved, 43 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/562 variables, 0/746 constraints. Problems are: Problem set: 0 solved, 43 unsolved
At refinement iteration 14 (OVERLAPS) 0/562 variables, 0/746 constraints. Problems are: Problem set: 0 solved, 43 unsolved
No progress, stopping.
After SMT solving in domain Real declared 562/562 variables, and 746 constraints, problems are : Problem set: 0 solved, 43 unsolved in 3696 ms.
Refiners :[Domain max(s): 305/305 constraints, Positive P Invariants (semi-flows): 72/72 constraints, Generalized P Invariants (flows): 4/4 constraints, State Equation: 305/305 constraints, ReadFeed: 60/60 constraints, PredecessorRefiner: 43/43 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 43 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/43 variables, 43/43 constraints. Problems are: Problem set: 0 solved, 43 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/43 variables, 0/43 constraints. Problems are: Problem set: 0 solved, 43 unsolved
At refinement iteration 2 (OVERLAPS) 101/144 variables, 14/57 constraints. Problems are: Problem set: 0 solved, 43 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/144 variables, 101/158 constraints. Problems are: Problem set: 0 solved, 43 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/144 variables, 0/158 constraints. Problems are: Problem set: 0 solved, 43 unsolved
At refinement iteration 5 (OVERLAPS) 136/280 variables, 58/216 constraints. Problems are: Problem set: 0 solved, 43 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/280 variables, 136/352 constraints. Problems are: Problem set: 0 solved, 43 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/280 variables, 0/352 constraints. Problems are: Problem set: 0 solved, 43 unsolved
At refinement iteration 8 (OVERLAPS) 25/305 variables, 4/356 constraints. Problems are: Problem set: 0 solved, 43 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/305 variables, 25/381 constraints. Problems are: Problem set: 0 solved, 43 unsolved
[2024-06-01 11:52:56] [INFO ] Deduced a trap composed of 32 places in 103 ms of which 18 ms to minimize.
[2024-06-01 11:52:56] [INFO ] Deduced a trap composed of 32 places in 77 ms of which 3 ms to minimize.
At refinement iteration 10 (INCLUDED_ONLY) 0/305 variables, 2/383 constraints. Problems are: Problem set: 0 solved, 43 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/305 variables, 0/383 constraints. Problems are: Problem set: 0 solved, 43 unsolved
At refinement iteration 12 (OVERLAPS) 257/562 variables, 305/688 constraints. Problems are: Problem set: 0 solved, 43 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/562 variables, 60/748 constraints. Problems are: Problem set: 0 solved, 43 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/562 variables, 43/791 constraints. Problems are: Problem set: 0 solved, 43 unsolved
[2024-06-01 11:52:58] [INFO ] Deduced a trap composed of 36 places in 44 ms of which 1 ms to minimize.
At refinement iteration 15 (INCLUDED_ONLY) 0/562 variables, 1/792 constraints. Problems are: Problem set: 0 solved, 43 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 562/562 variables, and 792 constraints, problems are : Problem set: 0 solved, 43 unsolved in 5013 ms.
Refiners :[Domain max(s): 305/305 constraints, Positive P Invariants (semi-flows): 72/72 constraints, Generalized P Invariants (flows): 4/4 constraints, State Equation: 305/305 constraints, ReadFeed: 60/60 constraints, PredecessorRefiner: 43/43 constraints, Known Traps: 3/3 constraints]
After SMT, in 8834ms problems are : Problem set: 0 solved, 43 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 43 out of 305 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 305/305 places, 257/257 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 8 transitions
Trivial Post-agglo rules discarded 8 transitions
Performed 8 trivial Post agglomeration. Transition count delta: 8
Iterating post reduction 0 with 8 rules applied. Total rules applied 8 place count 305 transition count 249
Reduce places removed 8 places and 0 transitions.
Iterating post reduction 1 with 8 rules applied. Total rules applied 16 place count 297 transition count 249
Performed 8 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 8 Pre rules applied. Total rules applied 16 place count 297 transition count 241
Deduced a syphon composed of 8 places in 1 ms
Reduce places removed 8 places and 0 transitions.
Iterating global reduction 2 with 16 rules applied. Total rules applied 32 place count 289 transition count 241
Discarding 3 places :
Symmetric choice reduction at 2 with 3 rule applications. Total rules 35 place count 286 transition count 238
Iterating global reduction 2 with 3 rules applied. Total rules applied 38 place count 286 transition count 238
Performed 12 Post agglomeration using F-continuation condition.Transition count delta: 12
Deduced a syphon composed of 12 places in 1 ms
Reduce places removed 12 places and 0 transitions.
Iterating global reduction 2 with 24 rules applied. Total rules applied 62 place count 274 transition count 226
Free-agglomeration rule applied 48 times.
Iterating global reduction 2 with 48 rules applied. Total rules applied 110 place count 274 transition count 178
Reduce places removed 48 places and 0 transitions.
Iterating post reduction 2 with 48 rules applied. Total rules applied 158 place count 226 transition count 178
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 3 with 1 rules applied. Total rules applied 159 place count 225 transition count 177
Reduce places removed 47 places and 0 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 48 transitions
Trivial Post-agglo rules discarded 48 transitions
Performed 48 trivial Post agglomeration. Transition count delta: 48
Iterating post reduction 3 with 95 rules applied. Total rules applied 254 place count 178 transition count 129
Reduce places removed 48 places and 0 transitions.
Ensure Unique test removed 6 transitions
Reduce isomorphic transitions removed 6 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 9 transitions
Trivial Post-agglo rules discarded 9 transitions
Performed 9 trivial Post agglomeration. Transition count delta: 9
Iterating post reduction 4 with 63 rules applied. Total rules applied 317 place count 130 transition count 114
Reduce places removed 9 places and 0 transitions.
Iterating post reduction 5 with 9 rules applied. Total rules applied 326 place count 121 transition count 114
Performed 21 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 6 with 21 Pre rules applied. Total rules applied 326 place count 121 transition count 93
Deduced a syphon composed of 21 places in 1 ms
Reduce places removed 21 places and 0 transitions.
Iterating global reduction 6 with 42 rules applied. Total rules applied 368 place count 100 transition count 93
Performed 2 Post agglomeration using F-continuation condition.Transition count delta: 2
Deduced a syphon composed of 2 places in 0 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 6 with 4 rules applied. Total rules applied 372 place count 98 transition count 91
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 6 with 2 rules applied. Total rules applied 374 place count 98 transition count 89
Applied a total of 374 rules in 160 ms. Remains 98 /305 variables (removed 207) and now considering 89/257 (removed 168) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 177 ms. Remains : 98/305 places, 89/257 transitions.
RANDOM walk for 1110 steps (0 resets) in 33 ms. (32 steps per ms) remains 0/43 properties
Able to resolve query StableMarking after proving 185 properties.
FORMULA StableMarking FALSE TECHNIQUES RANDOM_WALK MARKED_SUFFIX_TEST TOPOLOGICAL
Total runtime 11516 ms.
ITS solved all properties within timeout

BK_STOP 1717242779323

--------------------
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="Parking-PT-416"
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 Parking-PT-416, 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 r514-smll-171654416600048"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/Parking-PT-416.tgz
mv Parking-PT-416 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 ;