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.r254-tall-171654364100372.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 greatspnxred
Input is NoC3x3-PT-3B, examination is QuasiLiveness
Time confinement is 1800 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r254-tall-171654364100372
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 912K
-rw-r--r-- 1 mcc users 5.4K May 14 13:22 CTLCardinality.txt
-rw-r--r-- 1 mcc users 54K May 14 13:22 CTLCardinality.xml
-rw-r--r-- 1 mcc users 5.0K May 14 13:22 CTLFireability.txt
-rw-r--r-- 1 mcc users 44K 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 07:12 LTLCardinality.txt
-rw-r--r-- 1 mcc users 22K May 19 16:11 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.1K May 19 07:24 LTLFireability.txt
-rw-r--r-- 1 mcc users 18K May 19 18:43 LTLFireability.xml
-rw-r--r-- 1 mcc users 7.9K Apr 12 07:27 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 74K Apr 12 07:27 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 5.4K Apr 12 07:26 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 39K Apr 12 07:26 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 3 May 18 16:43 instance
-rw-r--r-- 1 mcc users 6 May 18 16:43 iscolored
-rw-r--r-- 1 mcc users 581K 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 QuasiLiveness

=== Now, execution of the tool begins

BK_START 1716636846096

Invoking MCC driver with
BK_TOOL=greatspnxred
BK_EXAMINATION=QuasiLiveness
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=1800
BK_INPUT=NoC3x3-PT-3B
BK_MEMORY_CONFINEMENT=16384
Applying reductions before tool greatspn
Invoking reducer
Running Version 202405141337
[2024-05-25 11:34:07] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, QuasiLiveness, -timeout, 180, -rebuildPNML]
[2024-05-25 11:34:07] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2024-05-25 11:34:07] [INFO ] Load time of PNML (sax parser for PT used): 164 ms
[2024-05-25 11:34:07] [INFO ] Transformed 2117 places.
[2024-05-25 11:34:07] [INFO ] Transformed 2435 transitions.
[2024-05-25 11:34:07] [INFO ] Found NUPN structural information;
[2024-05-25 11:34:07] [INFO ] Parsed PT model containing 2117 places and 2435 transitions and 6177 arcs in 297 ms.
Starting structural reductions in LIVENESS mode, iteration 0 : 2117/2117 places, 2435/2435 transitions.
Graph (trivial) has 1749 edges and 2117 vertex of which 72 / 2117 are part of one of the 9 SCC in 20 ms
Free SCC test removed 63 places
Ensure Unique test removed 63 transitions
Reduce isomorphic transitions removed 63 transitions.
Discarding 5 places :
Implicit places reduction removed 5 places
Drop transitions (Trivial Post-Agglo cleanup.) removed 443 transitions
Trivial Post-agglo rules discarded 443 transitions
Performed 443 trivial Post agglomeration. Transition count delta: 443
Iterating post reduction 0 with 448 rules applied. Total rules applied 449 place count 2049 transition count 1929
Reduce places removed 443 places and 0 transitions.
Ensure Unique test removed 3 transitions
Reduce isomorphic transitions removed 3 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 1 with 449 rules applied. Total rules applied 898 place count 1606 transition count 1923
Reduce places removed 3 places and 0 transitions.
Iterating post reduction 2 with 3 rules applied. Total rules applied 901 place count 1603 transition count 1923
Performed 24 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 24 Pre rules applied. Total rules applied 901 place count 1603 transition count 1899
Deduced a syphon composed of 24 places in 21 ms
Reduce places removed 24 places and 0 transitions.
Iterating global reduction 3 with 48 rules applied. Total rules applied 949 place count 1579 transition count 1899
Performed 840 Post agglomeration using F-continuation condition.Transition count delta: 840
Deduced a syphon composed of 840 places in 1 ms
Reduce places removed 840 places and 0 transitions.
Iterating global reduction 3 with 1680 rules applied. Total rules applied 2629 place count 739 transition count 1059
Performed 36 Post agglomeration using F-continuation condition.Transition count delta: -202
Deduced a syphon composed of 36 places in 2 ms
Reduce places removed 36 places and 0 transitions.
Iterating global reduction 3 with 72 rules applied. Total rules applied 2701 place count 703 transition count 1261
Applied a total of 2701 rules in 418 ms. Remains 703 /2117 variables (removed 1414) and now considering 1261/2435 (removed 1174) transitions.
[2024-05-25 11:34:08] [INFO ] Flow matrix only has 1173 transitions (discarded 88 similar events)
// Phase 1: matrix 1173 rows 703 cols
[2024-05-25 11:34:08] [INFO ] Computed 61 invariants in 28 ms
[2024-05-25 11:34:09] [INFO ] Implicit Places using invariants in 976 ms returned [11, 51, 116, 167, 248, 411, 514, 566, 665]
Discarding 9 places :
Implicit Place search using SMT only with invariants took 1016 ms to find 9 implicit places.
Starting structural reductions in LIVENESS mode, iteration 1 : 694/2117 places, 1261/2435 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 4 transitions
Trivial Post-agglo rules discarded 4 transitions
Performed 4 trivial Post agglomeration. Transition count delta: 4
Iterating post reduction 0 with 4 rules applied. Total rules applied 4 place count 694 transition count 1257
Reduce places removed 4 places and 0 transitions.
Ensure Unique test removed 4 transitions
Reduce isomorphic transitions removed 4 transitions.
Iterating post reduction 1 with 8 rules applied. Total rules applied 12 place count 690 transition count 1253
Performed 20 Post agglomeration using F-continuation condition.Transition count delta: 20
Deduced a syphon composed of 20 places in 1 ms
Reduce places removed 20 places and 0 transitions.
Iterating global reduction 2 with 40 rules applied. Total rules applied 52 place count 670 transition count 1233
Ensure Unique test removed 62 transitions
Reduce isomorphic transitions removed 62 transitions.
Iterating post reduction 2 with 62 rules applied. Total rules applied 114 place count 670 transition count 1171
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: -17
Deduced a syphon composed of 1 places in 1 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 3 with 2 rules applied. Total rules applied 116 place count 669 transition count 1188
Applied a total of 116 rules in 34 ms. Remains 669 /694 variables (removed 25) and now considering 1188/1261 (removed 73) transitions.
[2024-05-25 11:34:09] [INFO ] Flow matrix only has 1100 transitions (discarded 88 similar events)
// Phase 1: matrix 1100 rows 669 cols
[2024-05-25 11:34:09] [INFO ] Computed 52 invariants in 8 ms
[2024-05-25 11:34:09] [INFO ] Implicit Places using invariants in 662 ms returned []
[2024-05-25 11:34:09] [INFO ] Flow matrix only has 1100 transitions (discarded 88 similar events)
[2024-05-25 11:34:09] [INFO ] Invariant cache hit.
[2024-05-25 11:34:10] [INFO ] State equation strengthened by 98 read => feed constraints.
[2024-05-25 11:34:11] [INFO ] Implicit Places using invariants and state equation in 1711 ms returned [5, 10, 32, 34, 38, 40, 45, 47, 101, 103, 106, 108, 138, 141, 148, 150, 154, 156, 201, 203, 205, 207, 211, 213, 215, 220, 222, 224, 229, 231, 233, 371, 373, 375, 378, 380, 382, 384, 387, 389, 391, 483, 485, 490, 517, 519, 521, 523, 526, 528, 530, 535, 537, 539, 622, 624, 626, 629, 631, 633]
Discarding 60 places :
Implicit Place search using SMT with State Equation took 2381 ms to find 60 implicit places.
Starting structural reductions in LIVENESS mode, iteration 2 : 609/2117 places, 1188/2435 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 211 transitions
Trivial Post-agglo rules discarded 211 transitions
Performed 211 trivial Post agglomeration. Transition count delta: 211
Iterating post reduction 0 with 211 rules applied. Total rules applied 211 place count 609 transition count 977
Reduce places removed 211 places and 0 transitions.
Iterating post reduction 1 with 211 rules applied. Total rules applied 422 place count 398 transition count 977
Applied a total of 422 rules in 11 ms. Remains 398 /609 variables (removed 211) and now considering 977/1188 (removed 211) transitions.
[2024-05-25 11:34:11] [INFO ] Flow matrix only has 889 transitions (discarded 88 similar events)
// Phase 1: matrix 889 rows 398 cols
[2024-05-25 11:34:11] [INFO ] Computed 33 invariants in 6 ms
[2024-05-25 11:34:11] [INFO ] Implicit Places using invariants in 228 ms returned []
[2024-05-25 11:34:11] [INFO ] Flow matrix only has 889 transitions (discarded 88 similar events)
[2024-05-25 11:34:11] [INFO ] Invariant cache hit.
[2024-05-25 11:34:11] [INFO ] State equation strengthened by 98 read => feed constraints.
[2024-05-25 11:34:12] [INFO ] Implicit Places using invariants and state equation in 882 ms returned []
Implicit Place search using SMT with State Equation took 1115 ms to find 0 implicit places.
Starting structural reductions in LIVENESS mode, iteration 3 : 398/2117 places, 977/2435 transitions.
Finished structural reductions in LIVENESS mode , in 3 iterations and 4994 ms. Remains : 398/2117 places, 977/2435 transitions.
Discarding 583 transitions out of 977. Remains 394
Initial state reduction rules removed 1 formulas.
RANDOM walk for 40000 steps (521 resets) in 2576 ms. (15 steps per ms) remains 26/393 properties
BEST_FIRST walk for 4004 steps (8 resets) in 29 ms. (133 steps per ms) remains 26/26 properties
BEST_FIRST walk for 4004 steps (8 resets) in 19 ms. (200 steps per ms) remains 26/26 properties
BEST_FIRST walk for 4004 steps (8 resets) in 15 ms. (250 steps per ms) remains 26/26 properties
BEST_FIRST walk for 4003 steps (8 resets) in 13 ms. (285 steps per ms) remains 26/26 properties
BEST_FIRST walk for 4003 steps (8 resets) in 14 ms. (266 steps per ms) remains 26/26 properties
BEST_FIRST walk for 4004 steps (8 resets) in 19 ms. (200 steps per ms) remains 26/26 properties
BEST_FIRST walk for 4004 steps (8 resets) in 17 ms. (222 steps per ms) remains 26/26 properties
BEST_FIRST walk for 4004 steps (8 resets) in 18 ms. (210 steps per ms) remains 26/26 properties
BEST_FIRST walk for 4004 steps (8 resets) in 17 ms. (222 steps per ms) remains 26/26 properties
BEST_FIRST walk for 4004 steps (8 resets) in 16 ms. (235 steps per ms) remains 26/26 properties
BEST_FIRST walk for 4004 steps (8 resets) in 17 ms. (222 steps per ms) remains 26/26 properties
BEST_FIRST walk for 4004 steps (8 resets) in 11 ms. (333 steps per ms) remains 26/26 properties
BEST_FIRST walk for 4004 steps (8 resets) in 34 ms. (114 steps per ms) remains 26/26 properties
BEST_FIRST walk for 4004 steps (8 resets) in 12 ms. (308 steps per ms) remains 26/26 properties
BEST_FIRST walk for 4004 steps (8 resets) in 18 ms. (210 steps per ms) remains 26/26 properties
BEST_FIRST walk for 4004 steps (8 resets) in 12 ms. (308 steps per ms) remains 26/26 properties
BEST_FIRST walk for 4003 steps (8 resets) in 21 ms. (181 steps per ms) remains 26/26 properties
BEST_FIRST walk for 4004 steps (8 resets) in 11 ms. (333 steps per ms) remains 26/26 properties
BEST_FIRST walk for 4004 steps (8 resets) in 15 ms. (250 steps per ms) remains 26/26 properties
BEST_FIRST walk for 4004 steps (8 resets) in 14 ms. (266 steps per ms) remains 26/26 properties
BEST_FIRST walk for 4004 steps (8 resets) in 13 ms. (286 steps per ms) remains 26/26 properties
BEST_FIRST walk for 4004 steps (8 resets) in 14 ms. (266 steps per ms) remains 26/26 properties
BEST_FIRST walk for 4004 steps (8 resets) in 16 ms. (235 steps per ms) remains 26/26 properties
BEST_FIRST walk for 4004 steps (8 resets) in 14 ms. (266 steps per ms) remains 26/26 properties
BEST_FIRST walk for 4004 steps (8 resets) in 15 ms. (250 steps per ms) remains 26/26 properties
BEST_FIRST walk for 4003 steps (8 resets) in 10 ms. (363 steps per ms) remains 26/26 properties
[2024-05-25 11:34:13] [INFO ] Flow matrix only has 889 transitions (discarded 88 similar events)
[2024-05-25 11:34:13] [INFO ] Invariant cache hit.
[2024-05-25 11:34:13] [INFO ] State equation strengthened by 98 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/32 variables, 32/32 constraints. Problems are: Problem set: 0 solved, 26 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/32 variables, 0/32 constraints. Problems are: Problem set: 0 solved, 26 unsolved
At refinement iteration 2 (OVERLAPS) 74/106 variables, 9/41 constraints. Problems are: Problem set: 0 solved, 26 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/106 variables, 74/115 constraints. Problems are: Problem set: 0 solved, 26 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/106 variables, 0/115 constraints. Problems are: Problem set: 0 solved, 26 unsolved
At refinement iteration 5 (OVERLAPS) 197/303 variables, 24/139 constraints. Problems are: Problem set: 0 solved, 26 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/303 variables, 197/336 constraints. Problems are: Problem set: 0 solved, 26 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/303 variables, 0/336 constraints. Problems are: Problem set: 0 solved, 26 unsolved
At refinement iteration 8 (OVERLAPS) 839/1142 variables, 303/639 constraints. Problems are: Problem set: 0 solved, 26 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/1142 variables, 48/687 constraints. Problems are: Problem set: 0 solved, 26 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/1142 variables, 0/687 constraints. Problems are: Problem set: 0 solved, 26 unsolved
Problem qltransition_572 is UNSAT
FORMULA QuasiLiveness FALSE TECHNIQUES RANDOM_WALK SMT_REFINEMENT TOPOLOGICAL INITIAL_STATE
SMT process timed out in 1375ms, After SMT, problems are : Problem set: 0 solved, 26 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 32 out of 398 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 398/398 places, 977/977 transitions.
Drop transitions (Empty/Sink Transition effects.) removed 9 transitions
Reduce isomorphic transitions removed 9 transitions.
Iterating post reduction 0 with 9 rules applied. Total rules applied 9 place count 398 transition count 968
Discarding 105 places :
Symmetric choice reduction at 1 with 105 rule applications. Total rules 114 place count 293 transition count 676
Iterating global reduction 1 with 105 rules applied. Total rules applied 219 place count 293 transition count 676
Ensure Unique test removed 20 transitions
Reduce isomorphic transitions removed 20 transitions.
Iterating post reduction 1 with 20 rules applied. Total rules applied 239 place count 293 transition count 656
Discarding 31 places :
Symmetric choice reduction at 2 with 31 rule applications. Total rules 270 place count 262 transition count 594
Iterating global reduction 2 with 31 rules applied. Total rules applied 301 place count 262 transition count 594
Ensure Unique test removed 46 transitions
Reduce isomorphic transitions removed 46 transitions.
Iterating post reduction 2 with 46 rules applied. Total rules applied 347 place count 262 transition count 548
Performed 5 Post agglomeration using F-continuation condition.Transition count delta: -36
Deduced a syphon composed of 5 places in 0 ms
Reduce places removed 5 places and 0 transitions.
Iterating global reduction 3 with 10 rules applied. Total rules applied 357 place count 257 transition count 584
Free-agglomeration rule applied 27 times.
Iterating global reduction 3 with 27 rules applied. Total rules applied 384 place count 257 transition count 557
Reduce places removed 27 places and 0 transitions.
Ensure Unique test removed 7 transitions
Reduce isomorphic transitions removed 7 transitions.
Iterating post reduction 3 with 34 rules applied. Total rules applied 418 place count 230 transition count 550
Free-agglomeration rule (complex) applied 44 times.
Iterating global reduction 4 with 44 rules applied. Total rules applied 462 place count 230 transition count 521
Reduce places removed 44 places and 0 transitions.
Ensure Unique test removed 17 transitions
Reduce isomorphic transitions removed 17 transitions.
Iterating post reduction 4 with 61 rules applied. Total rules applied 523 place count 186 transition count 504
Partial Free-agglomeration rule applied 8 times.
Drop transitions (Partial Free agglomeration) removed 8 transitions
Iterating global reduction 5 with 8 rules applied. Total rules applied 531 place count 186 transition count 504
Applied a total of 531 rules in 148 ms. Remains 186 /398 variables (removed 212) and now considering 504/977 (removed 473) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 148 ms. Remains : 186/398 places, 504/977 transitions.
Total runtime 7866 ms.
ITS solved all properties within timeout

BK_STOP 1716636855514

--------------------
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 QuasiLiveness -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="NoC3x3-PT-3B"
export BK_EXAMINATION="QuasiLiveness"
export BK_TOOL="greatspnxred"
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 greatspnxred"
echo " Input is NoC3x3-PT-3B, examination is QuasiLiveness"
echo " Time confinement is $BK_TIME_CONFINEMENT seconds"
echo " Memory confinement is 16384 MBytes"
echo " Number of cores is 4"
echo " Run identifier is r254-tall-171654364100372"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/NoC3x3-PT-3B.tgz
mv NoC3x3-PT-3B execution
cd execution
if [ "QuasiLiveness" = "ReachabilityDeadlock" ] || [ "QuasiLiveness" = "UpperBounds" ] || [ "QuasiLiveness" = "QuasiLiveness" ] || [ "QuasiLiveness" = "StableMarking" ] || [ "QuasiLiveness" = "Liveness" ] || [ "QuasiLiveness" = "OneSafe" ] || [ "QuasiLiveness" = "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 [ "QuasiLiveness" = "UpperBounds" ] ; then
echo "The expected result is a vector of positive values"
echo NUM_VECTOR
elif [ "QuasiLiveness" != "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 "QuasiLiveness.txt" ] ; then
echo "here is the order used to build the result vector(from text file)"
for x in $(grep Property QuasiLiveness.txt | cut -d ' ' -f 2 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ -f "QuasiLiveness.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 '' QuasiLiveness.xml | cut -d '>' -f 2 | cut -d '<' -f 1 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ "QuasiLiveness" = "ReachabilityDeadlock" ] || [ "QuasiLiveness" = "QuasiLiveness" ] || [ "QuasiLiveness" = "StableMarking" ] || [ "QuasiLiveness" = "Liveness" ] || [ "QuasiLiveness" = "OneSafe" ] ; then
echo "FORMULA_NAME QuasiLiveness"
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 ;