fond
Model Checking Contest 2026
16th edition, Hamburg, Germany, June 23, 2026
Execution of r098-tall-177955695600502
Last Updated
Jun 17, 2026

About the Execution of ITS-Tools for DLCflexbar-PT-8b

Execution Summary
Max Memory
Used (MB)
Time wait (ms) CPU Usage (ms) I/O Wait (ms) Computed Result Execution
Status
6027.483 137307.00 310246.00 433.20 FTFFFFFFTFTFTTTF normal

Execution Chart

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

Trace from the execution

Formatting '/data/fkordon/mcc2026-input.r098-tall-177955695600502.qcow2', fmt=qcow2 size=4294967296 backing_file=/data/fkordon/mcc2026-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 2-5973
Executing tool itstools
Input is DLCflexbar-PT-8b, examination is ReachabilityCardinality
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r098-tall-177955695600502
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 20M
-rw-r--r-- 1 mcc users 6.7K Mar 6 15:14 CTLCardinality.txt
-rw-r--r-- 1 mcc users 69K Mar 6 15:14 CTLCardinality.xml
-rw-r--r-- 1 mcc users 6.1K Mar 6 15:14 CTLFireability.txt
-rw-r--r-- 1 mcc users 56K Mar 6 15:14 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K Mar 3 18:30 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 6.4K Mar 3 18:30 GenericPropertiesVerdict.xml
-rw-r--r-- 1 mcc users 3.9K Mar 15 09:21 LTLCardinality.txt
-rw-r--r-- 1 mcc users 27K Mar 15 09:21 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.3K Mar 15 09:21 LTLFireability.txt
-rw-r--r-- 1 mcc users 18K Mar 15 09:21 LTLFireability.xml
-rw-r--r-- 1 mcc users 16K Mar 6 15:14 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 162K Mar 6 15:14 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 7.8K Mar 6 15:14 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 62K Mar 6 15:14 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.6K Mar 15 09:21 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.7K Mar 15 09:21 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 Mar 3 18:30 equiv_col
-rw-r--r-- 1 mcc users 3 Mar 3 18:30 instance
-rw-r--r-- 1 mcc users 6 Mar 3 18:30 iscolored
-rw-r--r-- 1 mcc users 20M 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

echo here is the order used to build the result vector(from xml file)
FORMULA_NAME DLCflexbar-PT-8b-ReachabilityCardinality-2024-00
FORMULA_NAME DLCflexbar-PT-8b-ReachabilityCardinality-2024-01
FORMULA_NAME DLCflexbar-PT-8b-ReachabilityCardinality-2024-02
FORMULA_NAME DLCflexbar-PT-8b-ReachabilityCardinality-2024-03
FORMULA_NAME DLCflexbar-PT-8b-ReachabilityCardinality-2024-04
FORMULA_NAME DLCflexbar-PT-8b-ReachabilityCardinality-2024-05
FORMULA_NAME DLCflexbar-PT-8b-ReachabilityCardinality-2024-06
FORMULA_NAME DLCflexbar-PT-8b-ReachabilityCardinality-2024-07
FORMULA_NAME DLCflexbar-PT-8b-ReachabilityCardinality-2024-08
FORMULA_NAME DLCflexbar-PT-8b-ReachabilityCardinality-2024-09
FORMULA_NAME DLCflexbar-PT-8b-ReachabilityCardinality-2024-10
FORMULA_NAME DLCflexbar-PT-8b-ReachabilityCardinality-2024-11
FORMULA_NAME DLCflexbar-PT-8b-ReachabilityCardinality-2024-12
FORMULA_NAME DLCflexbar-PT-8b-ReachabilityCardinality-2024-13
FORMULA_NAME DLCflexbar-PT-8b-ReachabilityCardinality-2024-14
FORMULA_NAME DLCflexbar-PT-8b-ReachabilityCardinality-2024-15

=== Now, execution of the tool begins

BK_START 1779624595097

Invoking MCC driver with
BK_TOOL=itstools
BK_EXAMINATION=ReachabilityCardinality
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=DLCflexbar-PT-8b
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
ReachabilityCardinality PT
Running Version 202604301425
[2026-05-24 12:09:56] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, ReachabilityCardinality, -its, -ltsmin, -greatspnpath, /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/, -order, META, -manyOrder, -smt, -timeout, 3600]
[2026-05-24 12:09:56] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-05-24 12:09:57] [INFO ] Load time of PNML (sax parser for PT used): 1237 ms
[2026-05-24 12:09:58] [INFO ] Transformed 47560 places.
[2026-05-24 12:09:58] [INFO ] Transformed 76160 transitions.
[2026-05-24 12:09:58] [INFO ] Found NUPN structural information;
[2026-05-24 12:10:02] [INFO ] Parsed PT model containing 47560 places and 76160 transitions and 216499 arcs in 6669 ms.
Parsed 16 properties from file /home/mcc/execution/ReachabilityCardinality.xml in 46 ms.
Working with output stream class java.io.PrintStream
FORMULA DLCflexbar-PT-8b-ReachabilityCardinality-2024-00 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA DLCflexbar-PT-8b-ReachabilityCardinality-2024-01 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA DLCflexbar-PT-8b-ReachabilityCardinality-2024-12 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
RANDOM walk for 40000 steps (8 resets) in 4638 ms. (8 steps per ms) remains 10/13 properties
FORMULA DLCflexbar-PT-8b-ReachabilityCardinality-2024-14 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA DLCflexbar-PT-8b-ReachabilityCardinality-2024-13 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA DLCflexbar-PT-8b-ReachabilityCardinality-2024-02 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
BEST_FIRST walk for 40004 steps (8 resets) in 454 ms. (87 steps per ms) remains 10/10 properties
BEST_FIRST walk for 40004 steps (8 resets) in 287 ms. (138 steps per ms) remains 10/10 properties
BEST_FIRST walk for 40004 steps (8 resets) in 284 ms. (140 steps per ms) remains 10/10 properties
BEST_FIRST walk for 40004 steps (8 resets) in 333 ms. (119 steps per ms) remains 10/10 properties
BEST_FIRST walk for 40004 steps (8 resets) in 282 ms. (141 steps per ms) remains 10/10 properties
BEST_FIRST walk for 40004 steps (8 resets) in 227 ms. (175 steps per ms) remains 10/10 properties
BEST_FIRST walk for 40004 steps (8 resets) in 235 ms. (169 steps per ms) remains 10/10 properties
BEST_FIRST walk for 40002 steps (8 resets) in 622 ms. (64 steps per ms) remains 10/10 properties
BEST_FIRST walk for 40004 steps (8 resets) in 377 ms. (105 steps per ms) remains 10/10 properties
BEST_FIRST walk for 40003 steps (8 resets) in 479 ms. (83 steps per ms) remains 10/10 properties
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-14106958470649923917.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-1733446452141679944.kers'
[2026-05-24 12:10:18] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-14106958470649923917.kers, --Pflows, --basisKERS=/tmp/petrispot-output-1733446452141679944.kers]
Culled 0 columns in 77 ms.
// Phase 1: matrix 76160 rows 47560 cols 216499 entries
[2026-05-24 12:10:19] [INFO ] Flatten gal took : 2532 ms
[2026-05-24 12:10:20] [INFO ] Flatten gal took : 1134 ms
[2026-05-24 12:10:20] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality11660098859049996459.gal : 367 ms
[2026-05-24 12:10:20] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality9229553590335135868.prop : 1 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202604301425/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality11660098859049996459.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality9229553590335135868.prop' '--nowitness' '--gen-order' 'FOLLOW'

its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202604301425/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...329
Loading property file /tmp/ReachabilityCardinality9229553590335135868.prop.
Finished phase 1 with 44520 SingleSign rule and 0 generalized
[2026-05-24 12:11:04] [INFO ] Computed 3040 invariants in 45742 ms
Computed 3040 P flows in 45744 ms.
Exported basis to /tmp/petrispot-output-1733446452141679944.kers
Total runtime 45882 ms.
Excessive predecessor constraint size, skipping predecessor.
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/179 variables, 179/179 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/179 variables, 0/179 constraints. Problems are: Problem set: 0 solved, 10 unsolved
SMT process timed out in 52982ms, After SMT, problems are : Problem set: 0 solved, 10 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 179 out of 47560 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 47560/47560 places, 76160/76160 transitions.
Graph (trivial) has 42236 edges and 47560 vertex of which 2730 / 47560 are part of one of the 177 SCC in 98 ms
Free SCC test removed 2553 places
Drop transitions (Empty/Sink Transition effects.) removed 2883 transitions
Reduce isomorphic transitions removed 2883 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 20512 transitions
Trivial Post-agglo rules discarded 20512 transitions
Performed 20512 trivial Post agglomeration. Transition count delta: 20512
Iterating post reduction 0 with 20512 rules applied. Total rules applied 20513 place count 45007 transition count 52765
Reduce places removed 20512 places and 0 transitions.
Ensure Unique test removed 442 transitions
Reduce isomorphic transitions removed 442 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 432 transitions
Trivial Post-agglo rules discarded 432 transitions
Performed 432 trivial Post agglomeration. Transition count delta: 432
Iterating post reduction 1 with 21386 rules applied. Total rules applied 41899 place count 24495 transition count 51891
Reduce places removed 432 places and 0 transitions.
Ensure Unique test removed 134 transitions
Reduce isomorphic transitions removed 134 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 133 transitions
Trivial Post-agglo rules discarded 133 transitions
Performed 133 trivial Post agglomeration. Transition count delta: 133
Iterating post reduction 2 with 699 rules applied. Total rules applied 42598 place count 24063 transition count 51624
Reduce places removed 133 places and 0 transitions.
Performed 83 Post agglomeration using F-continuation condition.Transition count delta: 83
Iterating post reduction 3 with 216 rules applied. Total rules applied 42814 place count 23930 transition count 51541
Reduce places removed 83 places and 0 transitions.
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 4 with 85 rules applied. Total rules applied 42899 place count 23847 transition count 51539
Performed 200 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 5 with 200 Pre rules applied. Total rules applied 42899 place count 23847 transition count 51339
Deduced a syphon composed of 200 places in 4371 ms
Reduce places removed 200 places and 0 transitions.
Iterating global reduction 5 with 400 rules applied. Total rules applied 43299 place count 23647 transition count 51339
Performed 12969 Post agglomeration using F-continuation condition.Transition count delta: 12969
Deduced a syphon composed of 12969 places in 26 ms
Reduce places removed 12969 places and 0 transitions.
Iterating global reduction 5 with 25938 rules applied. Total rules applied 69237 place count 10678 transition count 38370
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 5 with 1 rules applied. Total rules applied 69238 place count 10678 transition count 38369
Renaming transitions due to excessive name length > 1024 char.
Discarding 352 places :
Symmetric choice reduction at 6 with 352 rule applications. Total rules 69590 place count 10326 transition count 25492
Iterating global reduction 6 with 352 rules applied. Total rules applied 69942 place count 10326 transition count 25492
Ensure Unique test removed 297 transitions
Reduce isomorphic transitions removed 297 transitions.
Iterating post reduction 6 with 297 rules applied. Total rules applied 70239 place count 10326 transition count 25195
Discarding 1 places :
Symmetric choice reduction at 7 with 1 rule applications. Total rules 70240 place count 10325 transition count 25185
Iterating global reduction 7 with 1 rules applied. Total rules applied 70241 place count 10325 transition count 25185
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 7 with 1 rules applied. Total rules applied 70242 place count 10325 transition count 25184
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Deduced a syphon composed of 1 places in 15 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 8 with 2 rules applied. Total rules applied 70244 place count 10324 transition count 25183
Performed 101 Post agglomeration using F-continuation condition.Transition count delta: -924
Deduced a syphon composed of 101 places in 12 ms
Reduce places removed 101 places and 0 transitions.
Iterating global reduction 8 with 202 rules applied. Total rules applied 70446 place count 10223 transition count 26107
Ensure Unique test removed 45 transitions
Reduce isomorphic transitions removed 45 transitions.
Iterating post reduction 8 with 45 rules applied. Total rules applied 70491 place count 10223 transition count 26062
Discarding 47 places :
Symmetric choice reduction at 9 with 47 rule applications. Total rules 70538 place count 10176 transition count 25122
Iterating global reduction 9 with 47 rules applied. Total rules applied 70585 place count 10176 transition count 25122
Ensure Unique test removed 44 transitions
Reduce isomorphic transitions removed 44 transitions.
Iterating post reduction 9 with 44 rules applied. Total rules applied 70629 place count 10176 transition count 25078
Performed 101 Post agglomeration using F-continuation condition.Transition count delta: -880
Deduced a syphon composed of 101 places in 11 ms
Reduce places removed 101 places and 0 transitions.
Iterating global reduction 10 with 202 rules applied. Total rules applied 70831 place count 10075 transition count 25958
Ensure Unique test removed 25 transitions
Reduce isomorphic transitions removed 25 transitions.
Iterating post reduction 10 with 25 rules applied. Total rules applied 70856 place count 10075 transition count 25933
Discarding 26 places :
Symmetric choice reduction at 11 with 26 rule applications. Total rules 70882 place count 10049 transition count 25413
Iterating global reduction 11 with 26 rules applied. Total rules applied 70908 place count 10049 transition count 25413
Ensure Unique test removed 25 transitions
Reduce isomorphic transitions removed 25 transitions.
Iterating post reduction 11 with 25 rules applied. Total rules applied 70933 place count 10049 transition count 25388
Performed 101 Post agglomeration using F-continuation condition.Transition count delta: -891
Deduced a syphon composed of 101 places in 6 ms
Reduce places removed 101 places and 0 transitions.
Iterating global reduction 12 with 202 rules applied. Total rules applied 71135 place count 9948 transition count 26279
Ensure Unique test removed 36 transitions
Reduce isomorphic transitions removed 36 transitions.
Iterating post reduction 12 with 36 rules applied. Total rules applied 71171 place count 9948 transition count 26243
Discarding 36 places :
Symmetric choice reduction at 13 with 36 rule applications. Total rules 71207 place count 9912 transition count 25523
Iterating global reduction 13 with 36 rules applied. Total rules applied 71243 place count 9912 transition count 25523
Ensure Unique test removed 34 transitions
Reduce isomorphic transitions removed 34 transitions.
Iterating post reduction 13 with 34 rules applied. Total rules applied 71277 place count 9912 transition count 25489
Performed 101 Post agglomeration using F-continuation condition.Transition count delta: -859
Deduced a syphon composed of 101 places in 6 ms
Reduce places removed 101 places and 0 transitions.
Iterating global reduction 14 with 202 rules applied. Total rules applied 71479 place count 9811 transition count 26348
Drop transitions (Empty/Sink Transition effects.) removed 16 transitions
Ensure Unique test removed 25 transitions
Reduce isomorphic transitions removed 41 transitions.
Iterating post reduction 14 with 41 rules applied. Total rules applied 71520 place count 9811 transition count 26307
Discarding 25 places :
Symmetric choice reduction at 15 with 25 rule applications. Total rules 71545 place count 9786 transition count 25807
Iterating global reduction 15 with 25 rules applied. Total rules applied 71570 place count 9786 transition count 25807
Ensure Unique test removed 25 transitions
Reduce isomorphic transitions removed 25 transitions.
Iterating post reduction 15 with 25 rules applied. Total rules applied 71595 place count 9786 transition count 25782
Performed 101 Post agglomeration using F-continuation condition.Transition count delta: -744
Deduced a syphon composed of 101 places in 7 ms
Reduce places removed 101 places and 0 transitions.
Iterating global reduction 16 with 202 rules applied. Total rules applied 71797 place count 9685 transition count 26526
Drop transitions (Empty/Sink Transition effects.) removed 121 transitions
Reduce isomorphic transitions removed 121 transitions.
Iterating post reduction 16 with 121 rules applied. Total rules applied 71918 place count 9685 transition count 26405
Performed 62 Post agglomeration using F-continuation condition.Transition count delta: -442
Deduced a syphon composed of 62 places in 7 ms
Reduce places removed 62 places and 0 transitions.
Iterating global reduction 17 with 124 rules applied. Total rules applied 72042 place count 9623 transition count 26847
Drop transitions (Empty/Sink Transition effects.) removed 89 transitions
Reduce isomorphic transitions removed 89 transitions.
Iterating post reduction 17 with 89 rules applied. Total rules applied 72131 place count 9623 transition count 26758
Free-agglomeration rule applied 5901 times with reduction of 3937 identical transitions.
Iterating global reduction 18 with 5901 rules applied. Total rules applied 78032 place count 9623 transition count 16920
Reduce places removed 5901 places and 0 transitions.
Drop transitions (Empty/Sink Transition effects.) removed 6962 transitions
Ensure Unique test removed 234 transitions
Reduce isomorphic transitions removed 7196 transitions.
Graph (complete) has 13097 edges and 3722 vertex of which 3131 are kept as prefixes of interest. Removing 591 places using SCC suffix rule.9 ms
Discarding 591 places :
Also discarding 511 output transitions
Drop transitions (Output transitions of discarded places.) removed 511 transitions
Iterating post reduction 18 with 13098 rules applied. Total rules applied 91130 place count 3131 transition count 9213
Drop transitions (Empty/Sink Transition effects.) removed 601 transitions
Ensure Unique test removed 72 transitions
Reduce isomorphic transitions removed 673 transitions.
Iterating post reduction 19 with 673 rules applied. Total rules applied 91803 place count 3131 transition count 8540
Discarding 1267 places :
Symmetric choice reduction at 20 with 1267 rule applications. Total rules 93070 place count 1864 transition count 5923
Iterating global reduction 20 with 1267 rules applied. Total rules applied 94337 place count 1864 transition count 5923
Drop transitions (Redundant composition of simpler transitions.) removed 165 transitions
Redundant transition composition rules discarded 165 transitions
Iterating global reduction 20 with 165 rules applied. Total rules applied 94502 place count 1864 transition count 5758
Discarding 36 places :
Symmetric choice reduction at 20 with 36 rule applications. Total rules 94538 place count 1828 transition count 5686
Iterating global reduction 20 with 36 rules applied. Total rules applied 94574 place count 1828 transition count 5686
Discarding 19 places :
Symmetric choice reduction at 20 with 19 rule applications. Total rules 94593 place count 1809 transition count 3872
Iterating global reduction 20 with 19 rules applied. Total rules applied 94612 place count 1809 transition count 3872
Ensure Unique test removed 19 transitions
Reduce isomorphic transitions removed 19 transitions.
Iterating post reduction 20 with 19 rules applied. Total rules applied 94631 place count 1809 transition count 3853
Performed 10 Post agglomeration using F-continuation condition.Transition count delta: 10
Deduced a syphon composed of 10 places in 3 ms
Reduce places removed 10 places and 0 transitions.
Iterating global reduction 21 with 20 rules applied. Total rules applied 94651 place count 1799 transition count 3843
Discarding 1 places :
Symmetric choice reduction at 21 with 1 rule applications. Total rules 94652 place count 1798 transition count 3747
Iterating global reduction 21 with 1 rules applied. Total rules applied 94653 place count 1798 transition count 3747
Drop transitions (Redundant composition of simpler transitions.) removed 60 transitions
Redundant transition composition rules discarded 60 transitions
Iterating global reduction 21 with 60 rules applied. Total rules applied 94713 place count 1798 transition count 3687
Free-agglomeration rule applied 15 times.
Iterating global reduction 21 with 15 rules applied. Total rules applied 94728 place count 1798 transition count 3672
Reduce places removed 15 places and 0 transitions.
Drop transitions (Empty/Sink Transition effects.) removed 778 transitions
Ensure Unique test removed 22 transitions
Reduce isomorphic transitions removed 800 transitions.
Graph (complete) has 4985 edges and 1783 vertex of which 1490 are kept as prefixes of interest. Removing 293 places using SCC suffix rule.2 ms
Discarding 293 places :
Also discarding 271 output transitions
Drop transitions (Output transitions of discarded places.) removed 271 transitions
Iterating post reduction 21 with 816 rules applied. Total rules applied 95544 place count 1490 transition count 2601
Drop transitions (Empty/Sink Transition effects.) removed 95 transitions
Ensure Unique test removed 145 transitions
Reduce isomorphic transitions removed 240 transitions.
Iterating post reduction 22 with 240 rules applied. Total rules applied 95784 place count 1490 transition count 2361
Discarding 519 places :
Symmetric choice reduction at 23 with 519 rule applications. Total rules 96303 place count 971 transition count 1622
Iterating global reduction 23 with 519 rules applied. Total rules applied 96822 place count 971 transition count 1622
Performed 4 Post agglomeration using F-continuation condition.Transition count delta: -17
Deduced a syphon composed of 4 places in 1 ms
Reduce places removed 4 places and 0 transitions.
Iterating global reduction 23 with 8 rules applied. Total rules applied 96830 place count 967 transition count 1639
Drop transitions (Empty/Sink Transition effects.) removed 10 transitions
Reduce isomorphic transitions removed 10 transitions.
Iterating post reduction 23 with 10 rules applied. Total rules applied 96840 place count 967 transition count 1629
Drop transitions (Redundant composition of simpler transitions.) removed 13 transitions
Redundant transition composition rules discarded 13 transitions
Iterating global reduction 24 with 13 rules applied. Total rules applied 96853 place count 967 transition count 1616
Reduce places removed 3 places and 0 transitions.
Iterating post reduction 24 with 3 rules applied. Total rules applied 96856 place count 964 transition count 1616
Discarding 3 places :
Symmetric choice reduction at 25 with 3 rule applications. Total rules 96859 place count 961 transition count 1613
Iterating global reduction 25 with 3 rules applied. Total rules applied 96862 place count 961 transition count 1613
Performed 3 Post agglomeration using F-continuation condition.Transition count delta: -2
Deduced a syphon composed of 3 places in 1 ms
Reduce places removed 3 places and 0 transitions.
Iterating global reduction 25 with 6 rules applied. Total rules applied 96868 place count 958 transition count 1615
Drop transitions (Empty/Sink Transition effects.) removed 6 transitions
Reduce isomorphic transitions removed 6 transitions.
Iterating post reduction 25 with 6 rules applied. Total rules applied 96874 place count 958 transition count 1609
Partial Free-agglomeration rule applied 2 times.
Drop transitions (Partial Free agglomeration) removed 2 transitions
Iterating global reduction 26 with 2 rules applied. Total rules applied 96876 place count 958 transition count 1609
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 26 with 1 rules applied. Total rules applied 96877 place count 957 transition count 1608
Reduce places removed 8 places and 0 transitions.
Performed 2 Post agglomeration using F-continuation condition.Transition count delta: 2
Iterating post reduction 26 with 10 rules applied. Total rules applied 96887 place count 949 transition count 1606
Reduce places removed 2 places and 0 transitions.
Iterating post reduction 27 with 2 rules applied. Total rules applied 96889 place count 947 transition count 1606
Performed 5 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 28 with 5 Pre rules applied. Total rules applied 96889 place count 947 transition count 1601
Deduced a syphon composed of 5 places in 1 ms
Reduce places removed 5 places and 0 transitions.
Iterating global reduction 28 with 10 rules applied. Total rules applied 96899 place count 942 transition count 1601
Performed 54 Post agglomeration using F-continuation condition with reduction of 45 identical transitions.
Deduced a syphon composed of 54 places in 1 ms
Reduce places removed 54 places and 0 transitions.
Iterating global reduction 28 with 108 rules applied. Total rules applied 97007 place count 888 transition count 1502
Drop transitions (Empty/Sink Transition effects.) removed 83 transitions
Ensure Unique test removed 96 transitions
Reduce isomorphic transitions removed 179 transitions.
Iterating post reduction 28 with 179 rules applied. Total rules applied 97186 place count 888 transition count 1323
Discarding 51 places :
Symmetric choice reduction at 29 with 51 rule applications. Total rules 97237 place count 837 transition count 1255
Iterating global reduction 29 with 51 rules applied. Total rules applied 97288 place count 837 transition count 1255
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 29 with 1 rules applied. Total rules applied 97289 place count 837 transition count 1254
Performed 2 Post agglomeration using F-continuation condition.Transition count delta: 2
Deduced a syphon composed of 2 places in 1 ms
Reduce places removed 3 places and 0 transitions.
Iterating global reduction 30 with 5 rules applied. Total rules applied 97294 place count 834 transition count 1252
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 30 with 2 rules applied. Total rules applied 97296 place count 834 transition count 1250
Drop transitions (Redundant composition of simpler transitions.) removed 70 transitions
Redundant transition composition rules discarded 70 transitions
Iterating global reduction 31 with 70 rules applied. Total rules applied 97366 place count 834 transition count 1180
Reduce places removed 3 places and 0 transitions.
Iterating post reduction 31 with 3 rules applied. Total rules applied 97369 place count 831 transition count 1180
Discarding 52 places :
Symmetric choice reduction at 32 with 52 rule applications. Total rules 97421 place count 779 transition count 1117
Iterating global reduction 32 with 52 rules applied. Total rules applied 97473 place count 779 transition count 1117
Free-agglomeration rule applied 4 times.
Iterating global reduction 32 with 4 rules applied. Total rules applied 97477 place count 779 transition count 1113
Reduce places removed 4 places and 0 transitions.
Iterating post reduction 32 with 4 rules applied. Total rules applied 97481 place count 775 transition count 1113
Partial Free-agglomeration rule applied 1 times.
Drop transitions (Partial Free agglomeration) removed 1 transitions
Iterating global reduction 33 with 1 rules applied. Total rules applied 97482 place count 775 transition count 1113
Applied a total of 97482 rules in 51756 ms. Remains 775 /47560 variables (removed 46785) and now considering 1113/76160 (removed 75047) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 51772 ms. Remains : 775/47560 places, 1113/76160 transitions.
RANDOM walk for 40000 steps (8 resets) in 2808 ms. (14 steps per ms) remains 3/10 properties
FORMULA DLCflexbar-PT-8b-ReachabilityCardinality-2024-15 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA DLCflexbar-PT-8b-ReachabilityCardinality-2024-11 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA DLCflexbar-PT-8b-ReachabilityCardinality-2024-08 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA DLCflexbar-PT-8b-ReachabilityCardinality-2024-07 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA DLCflexbar-PT-8b-ReachabilityCardinality-2024-06 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA DLCflexbar-PT-8b-ReachabilityCardinality-2024-05 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA DLCflexbar-PT-8b-ReachabilityCardinality-2024-04 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
BEST_FIRST walk for 40004 steps (8 resets) in 215 ms. (185 steps per ms) remains 3/3 properties
BEST_FIRST walk for 40003 steps (8 resets) in 210 ms. (189 steps per ms) remains 3/3 properties
BEST_FIRST walk for 40004 steps (8 resets) in 166 ms. (239 steps per ms) remains 3/3 properties
[2026-05-24 12:12:04] [INFO ] Flow matrix only has 814 transitions (discarded 299 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-9046274257806101849.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-6309711104863669743.kers'
[2026-05-24 12:12:04] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-9046274257806101849.kers, --Pflows, --basisKERS=/tmp/petrispot-output-6309711104863669743.kers]
Culling duplicate invariants (modulo rational): removing 135 columns.
Culled 135 columns in 1 ms.
// Phase 1: matrix 814 rows 640 cols 5571 entries
Finished phase 1 with 411 SingleSign rule and 0 generalized
[2026-05-24 12:12:04] [INFO ] Computed 364 invariants in 8 ms
Computed 364 P flows in 9 ms.
Exported basis to /tmp/petrispot-output-6309711104863669743.kers
Total runtime 10 ms.
[2026-05-24 12:12:04] [INFO ] State equation strengthened by 185 read => feed constraints.
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/70 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 1 (OVERLAPS) 392/462 variables, 203/203 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/462 variables, 0/203 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 3 (OVERLAPS) 104/566 variables, 104/307 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/566 variables, 0/307 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 5 (OVERLAPS) 568/1134 variables, 566/873 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/1134 variables, 38/911 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/1134 variables, 0/911 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 8 (OVERLAPS) 243/1377 variables, 110/1021 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/1377 variables, 31/1052 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/1377 variables, 92/1144 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/1377 variables, 0/1144 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 12 (OVERLAPS) 11/1388 variables, 7/1151 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/1388 variables, 7/1158 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/1388 variables, 0/1158 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 15 (OVERLAPS) 22/1410 variables, 14/1172 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/1410 variables, 0/1172 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 17 (OVERLAPS) 55/1465 variables, 55/1227 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/1465 variables, 0/1227 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 19 (OVERLAPS) 95/1560 variables, 57/1284 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/1560 variables, 6/1290 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 21 (INCLUDED_ONLY) 0/1560 variables, 0/1290 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 22 (OVERLAPS) 15/1575 variables, 13/1303 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 23 (INCLUDED_ONLY) 0/1575 variables, 12/1315 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 24 (INCLUDED_ONLY) 0/1575 variables, 0/1315 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 25 (OVERLAPS) 2/1577 variables, 3/1318 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 26 (INCLUDED_ONLY) 0/1577 variables, 0/1318 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 27 (OVERLAPS) 0/1577 variables, 0/1318 constraints. Problems are: Problem set: 0 solved, 3 unsolved
No progress, stopping.
After SMT solving in domain Real declared 1577/1589 variables, and 1318 constraints, problems are : Problem set: 0 solved, 3 unsolved in 2660 ms.
Refiners :[Positive P Invariants (semi-flows): 260/260 constraints, Generalized P Invariants (flows): 104/104 constraints, State Equation: 769/775 constraints, ReadFeed: 185/185 constraints, PredecessorRefiner: 3/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 3 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/70 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 1 (OVERLAPS) 392/462 variables, 203/203 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/462 variables, 8/211 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/462 variables, 0/211 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 4 (OVERLAPS) 104/566 variables, 104/315 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/566 variables, 0/315 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 6 (OVERLAPS) 568/1134 variables, 566/881 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/1134 variables, 38/919 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/1134 variables, 0/919 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 9 (OVERLAPS) 243/1377 variables, 110/1029 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/1377 variables, 31/1060 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/1377 variables, 92/1152 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/1377 variables, 1/1153 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/1377 variables, 0/1153 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 14 (OVERLAPS) 11/1388 variables, 7/1160 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/1388 variables, 7/1167 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/1388 variables, 0/1167 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 17 (OVERLAPS) 22/1410 variables, 14/1181 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/1410 variables, 0/1181 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 19 (OVERLAPS) 55/1465 variables, 55/1236 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/1465 variables, 0/1236 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 21 (OVERLAPS) 95/1560 variables, 57/1293 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 22 (INCLUDED_ONLY) 0/1560 variables, 6/1299 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 23 (INCLUDED_ONLY) 0/1560 variables, 0/1299 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 24 (OVERLAPS) 15/1575 variables, 13/1312 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 25 (INCLUDED_ONLY) 0/1575 variables, 12/1324 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 26 (INCLUDED_ONLY) 0/1575 variables, 0/1324 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 27 (OVERLAPS) 2/1577 variables, 3/1327 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 28 (INCLUDED_ONLY) 0/1577 variables, 0/1327 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 29 (OVERLAPS) 0/1577 variables, 0/1327 constraints. Problems are: Problem set: 0 solved, 3 unsolved
No progress, stopping.
After SMT solving in domain Int declared 1577/1589 variables, and 1327 constraints, problems are : Problem set: 0 solved, 3 unsolved in 5394 ms.
Refiners :[Positive P Invariants (semi-flows): 260/260 constraints, Generalized P Invariants (flows): 104/104 constraints, State Equation: 769/775 constraints, ReadFeed: 185/185 constraints, PredecessorRefiner: 3/1 constraints, Known Traps: 8/8 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 8113ms problems are : Problem set: 0 solved, 3 unsolved
Finished Parikh walk after 155 steps, including 0 resets, run visited all 3 properties in 6 ms. (steps per millisecond=25 )
FORMULA DLCflexbar-PT-8b-ReachabilityCardinality-2024-10 TRUE TECHNIQUES PARIKH_WALK
FORMULA DLCflexbar-PT-8b-ReachabilityCardinality-2024-09 FALSE TECHNIQUES PARIKH_WALK
FORMULA DLCflexbar-PT-8b-ReachabilityCardinality-2024-03 FALSE TECHNIQUES PARIKH_WALK
Finished Parikh walk after 0 steps, including 0 resets, run visited all 0 properties in 1 ms. (steps per millisecond=0 )
Finished Parikh walk after 0 steps, including 0 resets, run visited all 0 properties in 1 ms. (steps per millisecond=0 )
Parikh walk visited 3 properties in 13 ms.
ITS runner timed out or was interrupted.
ITS tools runner thread asked to quit. Dying gracefully.
All properties solved without resorting to model-checking.
Total runtime 136080 ms.

BK_STOP 1779624732404

--------------------
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
+ [[ ReachabilityCardinality = StateSpace ]]
+ /home/mcc/BenchKit/bin//../itstools/bin//..//runeclipse.sh /home/mcc/execution ReachabilityCardinality -its -ltsmin -greatspnpath /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/ -order META -manyOrder -smt -timeout 3600
+ ulimit -s 65536
+ [[ -z '' ]]
+ export LTSMIN_MEM_SIZE=8589934592
+ LTSMIN_MEM_SIZE=8589934592
++ sed s/.jar//
++ perl -pe 's/.*\.//g'
++ ls /home/mcc/BenchKit/bin//../itstools/bin//..//itstools/plugins/fr.lip6.move.gal.application.pnmcc_1.0.0.202604301425.jar
+ VERSION=202604301425
+ echo 'Running Version 202604301425'
+ /home/mcc/BenchKit/bin//../itstools/bin//..//itstools/its-tools -pnfolder /home/mcc/execution -examination ReachabilityCardinality -its -ltsmin -greatspnpath /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/ -order META -manyOrder -smt -timeout 3600

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="DLCflexbar-PT-8b"
export BK_EXAMINATION="ReachabilityCardinality"
export BK_TOOL="itstools"
export BK_RESULT_DIR="/tmp/BK_RESULTS/OUTPUTS"
export BK_TIME_CONFINEMENT="3600"
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 itstools"
echo " Input is DLCflexbar-PT-8b, examination is ReachabilityCardinality"
echo " Time confinement is $BK_TIME_CONFINEMENT seconds"
echo " Memory confinement is 16384 MBytes"
echo " Number of cores is 4"
echo " Run identifier is r098-tall-177955695600502"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/DLCflexbar-PT-8b.tgz
mv DLCflexbar-PT-8b execution
cd execution
if [ "ReachabilityCardinality" = "ReachabilityDeadlock" ] || [ "ReachabilityCardinality" = "UpperBounds" ] || [ "ReachabilityCardinality" = "QuasiLiveness" ] || [ "ReachabilityCardinality" = "StableMarking" ] || [ "ReachabilityCardinality" = "Liveness" ] || [ "ReachabilityCardinality" = "OneSafe" ] || [ "ReachabilityCardinality" = "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 [ "ReachabilityCardinality" = "UpperBounds" ] ; then
echo "The expected result is a vector of positive values"
echo NUM_VECTOR
elif [ "ReachabilityCardinality" != "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 "ReachabilityCardinality.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 '' ReachabilityCardinality.xml | cut -d '>' -f 2 | cut -d '<' -f 1 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ "ReachabilityCardinality" = "ReachabilityDeadlock" ] || [ "ReachabilityCardinality" = "QuasiLiveness" ] || [ "ReachabilityCardinality" = "StableMarking" ] || [ "ReachabilityCardinality" = "Liveness" ] || [ "ReachabilityCardinality" = "OneSafe" ] ; then
echo "FORMULA_NAME ReachabilityCardinality"
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 ;