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.r365-tall-171683779000298.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 ShieldPPPs-PT-030B, examination is StableMarking
Time confinement is 1800 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r365-tall-171683779000298
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 984K
-rw-r--r-- 1 mcc users 7.0K 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 5.5K May 14 13:22 CTLFireability.txt
-rw-r--r-- 1 mcc users 53K 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 3.1K May 19 07:16 LTLCardinality.txt
-rw-r--r-- 1 mcc users 21K May 19 16:34 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.1K May 19 07:32 LTLFireability.txt
-rw-r--r-- 1 mcc users 17K May 19 19:10 LTLFireability.xml
-rw-r--r-- 1 mcc users 12K May 14 13:22 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 121K May 14 13:22 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 9.2K Apr 13 11:45 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 79K Apr 13 11:45 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.7K Apr 23 07:53 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.7K Apr 23 07:53 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 May 18 16:43 equiv_col
-rw-r--r-- 1 mcc users 5 May 18 16:43 instance
-rw-r--r-- 1 mcc users 6 May 18 16:43 iscolored
-rw-r--r-- 1 mcc users 528K 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 1716914759837

Invoking MCC driver with
BK_TOOL=itstools
BK_EXAMINATION=StableMarking
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=1800
BK_INPUT=ShieldPPPs-PT-030B
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
StableMarking PT
Running Version 202405141337
[2024-05-28 16:46:01] [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]
[2024-05-28 16:46:01] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2024-05-28 16:46:01] [INFO ] Load time of PNML (sax parser for PT used): 186 ms
[2024-05-28 16:46:01] [INFO ] Transformed 2043 places.
[2024-05-28 16:46:01] [INFO ] Transformed 1893 transitions.
[2024-05-28 16:46:01] [INFO ] Found NUPN structural information;
[2024-05-28 16:46:01] [INFO ] Parsed PT model containing 2043 places and 1893 transitions and 5226 arcs in 395 ms.
Structural test allowed to assert that 814 places are NOT stable. Took 18 ms.
[2024-05-28 16:46:02] [INFO ] Flatten gal took : 354 ms
[2024-05-28 16:46:02] [INFO ] Flatten gal took : 203 ms
[2024-05-28 16:46:02] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality12357581073612476033.gal : 108 ms
[2024-05-28 16:46:02] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality17522751781955798080.prop : 6 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/ReachabilityCardinality12357581073612476033.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality17522751781955798080.prop' '--nowitness' '--gen-order' 'FOLLOW'

RANDOM walk for 40000 steps (8 resets) in 4776 ms. (8 steps per ms) remains 184/1229 properties
its-reach command run as :

BEST_FIRST walk for 403 steps (8 resets) in 11 ms. (33 steps per ms) remains 184/184 properties
/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202405141337/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...330
BEST_FIRST walk for 404 steps (8 resets) in 11 ms. (33 steps per ms) remains 184/184 properties
BEST_FIRST walk for 404 steps (8 resets) in 10 ms. (36 steps per ms) remains 184/184 properties
BEST_FIRST walk for 404 steps (8 resets) in 10 ms. (36 steps per ms) remains 184/184 properties
BEST_FIRST walk for 404 steps (8 resets) in 15 ms. (25 steps per ms) remains 184/184 properties
BEST_FIRST walk for 403 steps (8 resets) in 9 ms. (40 steps per ms) remains 184/184 properties
BEST_FIRST walk for 402 steps (8 resets) in 9 ms. (40 steps per ms) remains 184/184 properties
BEST_FIRST walk for 404 steps (8 resets) in 9 ms. (40 steps per ms) remains 184/184 properties
BEST_FIRST walk for 404 steps (8 resets) in 12 ms. (31 steps per ms) remains 184/184 properties
BEST_FIRST walk for 404 steps (8 resets) in 8 ms. (44 steps per ms) remains 184/184 properties
BEST_FIRST walk for 404 steps (8 resets) in 9 ms. (40 steps per ms) remains 184/184 properties
BEST_FIRST walk for 404 steps (8 resets) in 10 ms. (36 steps per ms) remains 184/184 properties
BEST_FIRST walk for 403 steps (8 resets) in 13 ms. (28 steps per ms) remains 184/184 properties
BEST_FIRST walk for 404 steps (8 resets) in 8 ms. (44 steps per ms) remains 184/184 properties
BEST_FIRST walk for 402 steps (8 resets) in 9 ms. (40 steps per ms) remains 184/184 properties
BEST_FIRST walk for 403 steps (8 resets) in 8 ms. (44 steps per ms) remains 184/184 properties
BEST_FIRST walk for 403 steps (8 resets) in 9 ms. (40 steps per ms) remains 184/184 properties
BEST_FIRST walk for 403 steps (8 resets) in 8 ms. (44 steps per ms) remains 184/184 properties
BEST_FIRST walk for 403 steps (8 resets) in 8 ms. (44 steps per ms) remains 184/184 properties
BEST_FIRST walk for 404 steps (8 resets) in 8 ms. (44 steps per ms) remains 184/184 properties
BEST_FIRST walk for 401 steps (8 resets) in 8 ms. (44 steps per ms) remains 184/184 properties
BEST_FIRST walk for 402 steps (8 resets) in 8 ms. (44 steps per ms) remains 184/184 properties
BEST_FIRST walk for 404 steps (8 resets) in 7 ms. (50 steps per ms) remains 184/184 properties
BEST_FIRST walk for 402 steps (8 resets) in 8 ms. (44 steps per ms) remains 184/184 properties
BEST_FIRST walk for 403 steps (8 resets) in 7 ms. (50 steps per ms) remains 184/184 properties
BEST_FIRST walk for 403 steps (8 resets) in 9 ms. (40 steps per ms) remains 184/184 properties
BEST_FIRST walk for 404 steps (8 resets) in 8 ms. (44 steps per ms) remains 184/184 properties
BEST_FIRST walk for 403 steps (8 resets) in 7 ms. (50 steps per ms) remains 184/184 properties
BEST_FIRST walk for 403 steps (8 resets) in 8 ms. (44 steps per ms) remains 184/184 properties
BEST_FIRST walk for 404 steps (8 resets) in 8 ms. (44 steps per ms) remains 184/184 properties
BEST_FIRST walk for 403 steps (8 resets) in 8 ms. (44 steps per ms) remains 184/184 properties
BEST_FIRST walk for 404 steps (8 resets) in 7 ms. (50 steps per ms) remains 184/184 properties
BEST_FIRST walk for 404 steps (8 resets) in 9 ms. (40 steps per ms) remains 184/184 properties
BEST_FIRST walk for 402 steps (8 resets) in 7 ms. (50 steps per ms) remains 184/184 properties
BEST_FIRST walk for 404 steps (8 resets) in 7 ms. (50 steps per ms) remains 184/184 properties
BEST_FIRST walk for 404 steps (8 resets) in 8 ms. (44 steps per ms) remains 184/184 properties
BEST_FIRST walk for 403 steps (8 resets) in 7 ms. (50 steps per ms) remains 184/184 properties
BEST_FIRST walk for 404 steps (8 resets) in 7 ms. (50 steps per ms) remains 184/184 properties
BEST_FIRST walk for 403 steps (8 resets) in 7 ms. (50 steps per ms) remains 184/184 properties
BEST_FIRST walk for 403 steps (8 resets) in 6 ms. (57 steps per ms) remains 184/184 properties
BEST_FIRST walk for 402 steps (8 resets) in 7 ms. (50 steps per ms) remains 184/184 properties
BEST_FIRST walk for 404 steps (8 resets) in 6 ms. (57 steps per ms) remains 184/184 properties
BEST_FIRST walk for 404 steps (8 resets) in 7 ms. (50 steps per ms) remains 184/184 properties
BEST_FIRST walk for 402 steps (8 resets) in 7 ms. (50 steps per ms) remains 184/184 properties
BEST_FIRST walk for 402 steps (8 resets) in 6 ms. (57 steps per ms) remains 184/184 properties
BEST_FIRST walk for 403 steps (8 resets) in 6 ms. (57 steps per ms) remains 184/184 properties
BEST_FIRST walk for 403 steps (8 resets) in 7 ms. (50 steps per ms) remains 184/184 properties
BEST_FIRST walk for 404 steps (8 resets) in 7 ms. (50 steps per ms) remains 184/184 properties
Loading property file /tmp/ReachabilityCardinality17522751781955798080.prop.
BEST_FIRST walk for 404 steps (8 resets) in 8 ms. (44 steps per ms) remains 184/184 properties
BEST_FIRST walk for 404 steps (8 resets) in 7 ms. (50 steps per ms) remains 184/184 properties
// Phase 1: matrix 1893 rows 2043 cols
[2024-05-28 16:46:03] [INFO ] Computed 331 invariants in 34 ms
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/184 variables, 184/184 constraints. Problems are: Problem set: 0 solved, 184 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/184 variables, 0/184 constraints. Problems are: Problem set: 0 solved, 184 unsolved
At refinement iteration 2 (OVERLAPS) 275/459 variables, 60/244 constraints. Problems are: Problem set: 0 solved, 184 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/459 variables, 275/519 constraints. Problems are: Problem set: 0 solved, 184 unsolved
SDD proceeding with computation,1229 properties remain. new max is 4
SDD size :1 after 5
SDD proceeding with computation,1229 properties remain. new max is 8
SDD size :5 after 10
SDD proceeding with computation,1229 properties remain. new max is 16
SDD size :10 after 19
At refinement iteration 4 (INCLUDED_ONLY) 0/459 variables, 0/519 constraints. Problems are: Problem set: 0 solved, 184 unsolved
At refinement iteration 5 (OVERLAPS) 1584/2043 variables, 271/790 constraints. Problems are: Problem set: 0 solved, 184 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/2043 variables, 1584/2374 constraints. Problems are: Problem set: 0 solved, 184 unsolved
Error getting values : (error "ParserException while parsing response: (timeout
org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 2043/3936 variables, and 2374 constraints, problems are : Problem set: 0 solved, 184 unsolved in 5040 ms.
Refiners :[Domain max(s): 2043/2043 constraints, Positive P Invariants (semi-flows): 331/331 constraints, State Equation: 0/2043 constraints, PredecessorRefiner: 184/184 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 184 unsolved
SDD proceeding with computation,1229 properties remain. new max is 32
SDD size :19 after 36
At refinement iteration 0 (INCLUDED_ONLY) 0/184 variables, 184/184 constraints. Problems are: Problem set: 0 solved, 184 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/184 variables, 0/184 constraints. Problems are: Problem set: 0 solved, 184 unsolved
At refinement iteration 2 (OVERLAPS) 275/459 variables, 60/244 constraints. Problems are: Problem set: 0 solved, 184 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/459 variables, 275/519 constraints. Problems are: Problem set: 0 solved, 184 unsolved
SDD proceeding with computation,1229 properties remain. new max is 64
SDD size :36 after 134
SDD proceeding with computation,1229 properties remain. new max is 128
SDD size :134 after 412
At refinement iteration 4 (INCLUDED_ONLY) 0/459 variables, 0/519 constraints. Problems are: Problem set: 0 solved, 184 unsolved
At refinement iteration 5 (OVERLAPS) 1584/2043 variables, 271/790 constraints. Problems are: Problem set: 0 solved, 184 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/2043 variables, 1584/2374 constraints. Problems are: Problem set: 0 solved, 184 unsolved
[2024-05-28 16:46:12] [INFO ] Deduced a trap composed of 22 places in 344 ms of which 86 ms to minimize.
SDD proceeding with computation,1229 properties remain. new max is 256
SDD size :412 after 596
[2024-05-28 16:46:12] [INFO ] Deduced a trap composed of 24 places in 281 ms of which 6 ms to minimize.
[2024-05-28 16:46:12] [INFO ] Deduced a trap composed of 19 places in 220 ms of which 4 ms to minimize.
[2024-05-28 16:46:12] [INFO ] Deduced a trap composed of 22 places in 188 ms of which 3 ms to minimize.
[2024-05-28 16:46:13] [INFO ] Deduced a trap composed of 22 places in 168 ms of which 3 ms to minimize.
SDD proceeding with computation,1229 properties remain. new max is 512
SDD size :596 after 1.09114e+08
[2024-05-28 16:46:13] [INFO ] Deduced a trap composed of 17 places in 146 ms of which 6 ms to minimize.
[2024-05-28 16:46:13] [INFO ] Deduced a trap composed of 31 places in 146 ms of which 3 ms to minimize.
[2024-05-28 16:46:13] [INFO ] Deduced a trap composed of 19 places in 131 ms of which 2 ms to minimize.
SMT process timed out in 10300ms, After SMT, problems are : Problem set: 0 solved, 184 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 184 out of 2043 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 2043/2043 places, 1893/1893 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 198 transitions
Trivial Post-agglo rules discarded 198 transitions
Performed 198 trivial Post agglomeration. Transition count delta: 198
Iterating post reduction 0 with 198 rules applied. Total rules applied 198 place count 2043 transition count 1695
Reduce places removed 198 places and 0 transitions.
Iterating post reduction 1 with 198 rules applied. Total rules applied 396 place count 1845 transition count 1695
Performed 143 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 143 Pre rules applied. Total rules applied 396 place count 1845 transition count 1552
Deduced a syphon composed of 143 places in 5 ms
Reduce places removed 143 places and 0 transitions.
Iterating global reduction 2 with 286 rules applied. Total rules applied 682 place count 1702 transition count 1552
Discarding 172 places :
Symmetric choice reduction at 2 with 172 rule applications. Total rules 854 place count 1530 transition count 1380
Iterating global reduction 2 with 172 rules applied. Total rules applied 1026 place count 1530 transition count 1380
Performed 79 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 79 Pre rules applied. Total rules applied 1026 place count 1530 transition count 1301
Deduced a syphon composed of 79 places in 2 ms
Reduce places removed 79 places and 0 transitions.
Iterating global reduction 2 with 158 rules applied. Total rules applied 1184 place count 1451 transition count 1301
Performed 428 Post agglomeration using F-continuation condition.Transition count delta: 428
Deduced a syphon composed of 428 places in 2 ms
Reduce places removed 428 places and 0 transitions.
Iterating global reduction 2 with 856 rules applied. Total rules applied 2040 place count 1023 transition count 873
Renaming transitions due to excessive name length > 1024 char.
SDD proceeding with computation,1229 properties remain. new max is 1024
SDD size :1.09114e+08 after 3.78237e+15
Partial Free-agglomeration rule applied 227 times.
Drop transitions (Partial Free agglomeration) removed 227 transitions
Iterating global reduction 2 with 227 rules applied. Total rules applied 2267 place count 1023 transition count 873
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 2 with 1 rules applied. Total rules applied 2268 place count 1022 transition count 872
Applied a total of 2268 rules in 816 ms. Remains 1022 /2043 variables (removed 1021) and now considering 872/1893 (removed 1021) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 826 ms. Remains : 1022/2043 places, 872/1893 transitions.
RANDOM walk for 135438 steps (21 resets) in 2726 ms. (49 steps per ms) remains 0/184 properties
ITS runner timed out or was interrupted.
ITS tools runner thread asked to quit. Dying gracefully.
Able to resolve query StableMarking after proving 1230 properties.
FORMULA StableMarking FALSE TECHNIQUES RANDOM_WALK MARKED_SUFFIX_TEST TOPOLOGICAL
Total runtime 14296 ms.

BK_STOP 1716914775507

--------------------
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
+ 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//
++ ls /home/mcc/BenchKit/bin//../itstools/bin//..//itstools/plugins/fr.lip6.move.gal.application.pnmcc_1.0.0.202405141337.jar
++ perl -pe 's/.*\.//g'
+ VERSION=202405141337
+ echo 'Running Version 202405141337'
+ /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="ShieldPPPs-PT-030B"
export BK_EXAMINATION="StableMarking"
export BK_TOOL="itstools"
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 itstools"
echo " Input is ShieldPPPs-PT-030B, 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 r365-tall-171683779000298"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/ShieldPPPs-PT-030B.tgz
mv ShieldPPPs-PT-030B 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 ;