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Model Checking Contest 2026
16th edition, Hamburg, Germany, June 23, 2026
Execution of r112-tall-177955701100313
Last Updated
Jun 17, 2026

About the Execution of 2025-gold for DLCflexbar-PT-8b

Execution Summary
Max Memory
Used (MB)		 Time wait (ms) CPU Usage (ms) I/O Wait (ms) Computed Result Execution
Status
7501.859 344574.00 805586.00 647.10 F 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.r112-tall-177955701100313.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)
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=====================================================================
Generated by BenchKit 2-5973
Executing tool gold2025
Input is DLCflexbar-PT-8b, examination is StableMarking
Time confinement is 1800 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r112-tall-177955701100313
=====================================================================

--------------------
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 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

FORMULA_NAME StableMarking

=== Now, execution of the tool begins

BK_START 1779629311734

Invoking MCC driver with
GOLD_TOOL=
BK_EXAMINATION=StableMarking
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=1800
BK_INPUT=DLCflexbar-PT-8b
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
StableMarking PT
Running Version 202505121319
[2026-05-24 13:28:33] [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]
[2026-05-24 13:28:33] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-05-24 13:28:34] [INFO ] Load time of PNML (sax parser for PT used): 1168 ms
[2026-05-24 13:28:35] [INFO ] Transformed 47560 places.
[2026-05-24 13:28:36] [INFO ] Transformed 76160 transitions.
[2026-05-24 13:28:36] [INFO ] Found NUPN structural information;
[2026-05-24 13:28:38] [INFO ] Parsed PT model containing 47560 places and 76160 transitions and 216499 arcs in 5731 ms.
Graph (trivial) has 42550 edges and 47560 vertex of which 2800 / 47560 are part of one of the 180 SCC in 107 ms
Free SCC test removed 2620 places
Structural test allowed to assert that 25830 places are NOT stable. Took 350 ms.
Ensure Unique test removed 2780 transitions
Reduce redundant transitions removed 2780 transitions.
RANDOM walk for 40000 steps (8 resets) in 6674 ms. (5 steps per ms) remains 20851/21730 properties
BEST_FIRST walk for 121 steps (8 resets) in 32 ms. (3 steps per ms) remains 20851/20851 properties
BEST_FIRST walk for 123 steps (8 resets) in 40 ms. (3 steps per ms) remains 20851/20851 properties
BEST_FIRST walk for 121 steps (8 resets) in 30 ms. (3 steps per ms) remains 20851/20851 properties
BEST_FIRST walk for 120 steps (8 resets) in 81 ms. (1 steps per ms) remains 20851/20851 properties
BEST_FIRST walk for 122 steps (8 resets) in 91 ms. (1 steps per ms) remains 20851/20851 properties
BEST_FIRST walk for 121 steps (8 resets) in 35 ms. (3 steps per ms) remains 20851/20851 properties
BEST_FIRST walk for 124 steps (8 resets) in 30 ms. (4 steps per ms) remains 20851/20851 properties
BEST_FIRST walk for 122 steps (8 resets) in 29 ms. (4 steps per ms) remains 20851/20851 properties
BEST_FIRST walk for 122 steps (8 resets) in 26 ms. (4 steps per ms) remains 20851/20851 properties
BEST_FIRST walk for 122 steps (8 resets) in 27 ms. (4 steps per ms) remains 20851/20851 properties
BEST_FIRST walk for 123 steps (8 resets) in 28 ms. (4 steps per ms) remains 20851/20851 properties
BEST_FIRST walk for 123 steps (8 resets) in 30 ms. (3 steps per ms) remains 20851/20851 properties
BEST_FIRST walk for 121 steps (8 resets) in 22 ms. (5 steps per ms) remains 20851/20851 properties
BEST_FIRST walk for 120 steps (8 resets) in 28 ms. (4 steps per ms) remains 20851/20851 properties
BEST_FIRST walk for 120 steps (8 resets) in 22 ms. (5 steps per ms) remains 20851/20851 properties
BEST_FIRST walk for 121 steps (8 resets) in 25 ms. (4 steps per ms) remains 20851/20851 properties
BEST_FIRST walk for 120 steps (8 resets) in 27 ms. (4 steps per ms) remains 20851/20851 properties
BEST_FIRST walk for 120 steps (8 resets) in 28 ms. (4 steps per ms) remains 20851/20851 properties
BEST_FIRST walk for 121 steps (8 resets) in 24 ms. (4 steps per ms) remains 20851/20851 properties
BEST_FIRST walk for 120 steps (8 resets) in 27 ms. (4 steps per ms) remains 20851/20851 properties
BEST_FIRST walk for 121 steps (8 resets) in 29 ms. (4 steps per ms) remains 20851/20851 properties
BEST_FIRST walk for 121 steps (8 resets) in 36 ms. (3 steps per ms) remains 20851/20851 properties
BEST_FIRST walk for 120 steps (8 resets) in 36 ms. (3 steps per ms) remains 20851/20851 properties
BEST_FIRST walk for 122 steps (8 resets) in 52 ms. (2 steps per ms) remains 20851/20851 properties
BEST_FIRST walk for 122 steps (8 resets) in 32 ms. (3 steps per ms) remains 20851/20851 properties
BEST_FIRST walk for 121 steps (8 resets) in 31 ms. (3 steps per ms) remains 20851/20851 properties
BEST_FIRST walk for 121 steps (8 resets) in 29 ms. (4 steps per ms) remains 20851/20851 properties
BEST_FIRST walk for 122 steps (8 resets) in 31 ms. (3 steps per ms) remains 20851/20851 properties
BEST_FIRST walk for 122 steps (8 resets) in 23 ms. (5 steps per ms) remains 20851/20851 properties
BEST_FIRST walk for 122 steps (8 resets) in 27 ms. (4 steps per ms) remains 20851/20851 properties
BEST_FIRST walk for 122 steps (8 resets) in 29 ms. (4 steps per ms) remains 20851/20851 properties
BEST_FIRST walk for 122 steps (8 resets) in 41 ms. (2 steps per ms) remains 20851/20851 properties
BEST_FIRST walk for 123 steps (8 resets) in 37 ms. (3 steps per ms) remains 20851/20851 properties
BEST_FIRST walk for 120 steps (8 resets) in 33 ms. (3 steps per ms) remains 20851/20851 properties
BEST_FIRST walk for 122 steps (8 resets) in 32 ms. (3 steps per ms) remains 20851/20851 properties
BEST_FIRST walk for 123 steps (8 resets) in 34 ms. (3 steps per ms) remains 20851/20851 properties
BEST_FIRST walk for 120 steps (8 resets) in 30 ms. (3 steps per ms) remains 20851/20851 properties
BEST_FIRST walk for 121 steps (8 resets) in 33 ms. (3 steps per ms) remains 20851/20851 properties
BEST_FIRST walk for 122 steps (8 resets) in 38 ms. (3 steps per ms) remains 20851/20851 properties
BEST_FIRST walk for 123 steps (8 resets) in 53 ms. (2 steps per ms) remains 20851/20851 properties
BEST_FIRST walk for 121 steps (8 resets) in 46 ms. (2 steps per ms) remains 20851/20851 properties
BEST_FIRST walk for 122 steps (8 resets) in 40 ms. (2 steps per ms) remains 20851/20851 properties
BEST_FIRST walk for 123 steps (8 resets) in 38 ms. (3 steps per ms) remains 20851/20851 properties
BEST_FIRST walk for 122 steps (8 resets) in 32 ms. (3 steps per ms) remains 20851/20851 properties
BEST_FIRST walk for 121 steps (8 resets) in 36 ms. (3 steps per ms) remains 20851/20851 properties
BEST_FIRST walk for 122 steps (8 resets) in 205 ms. (0 steps per ms) remains 20851/20851 properties
BEST_FIRST walk for 120 steps (8 resets) in 29 ms. (4 steps per ms) remains 20851/20851 properties
BEST_FIRST walk for 121 steps (8 resets) in 29 ms. (4 steps per ms) remains 20851/20851 properties
BEST_FIRST walk for 122 steps (8 resets) in 27 ms. (4 steps per ms) remains 20851/20851 properties
BEST_FIRST walk for 120 steps (8 resets) in 27 ms. (4 steps per ms) remains 20851/20851 properties
[2026-05-24 13:29:01] [INFO ] Flatten gal took : 2774 ms
[2026-05-24 13:29:02] [INFO ] Flatten gal took : 1727 ms
[2026-05-24 13:29:03] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality5344752301095620270.gal : 399 ms
[2026-05-24 13:29:03] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality12837839299074674120.prop : 43 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality5344752301095620270.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality12837839299074674120.prop' '--nowitness' '--gen-order' 'FOLLOW'

its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...329
Interrupted probabilistic random walk after 4279 steps, run timeout after 6131 ms. (steps per millisecond=0 ) properties seen :0 out of 20851
Probabilistic random walk after 4279 steps, saw 4188 distinct states, run finished after 6138 ms. (steps per millisecond=0 ) properties seen :0
[2026-05-24 13:29:05] [INFO ] Flow matrix only has 73201 transitions (discarded 179 similar events)
// Phase 1: matrix 73201 rows 44940 cols
[2026-05-24 13:29:06] [INFO ] Computed 3040 invariants in 694 ms
[2026-05-24 13:29:07] [INFO ] State equation strengthened by 1 read => feed constraints.
Loading property file /tmp/ReachabilityCardinality12837839299074674120.prop.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
SMT process timed out in 154935ms, After SMT, problems are : Problem set: 0 solved, 20851 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 20851 out of 44940 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 44940/44940 places, 73380/73380 transitions.
Drop transitions (Empty/Sink Transition effects.) removed 180 transitions
Reduce isomorphic transitions removed 180 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 7876 transitions
Trivial Post-agglo rules discarded 7876 transitions
Performed 7876 trivial Post agglomeration. Transition count delta: 7876
Iterating post reduction 0 with 8056 rules applied. Total rules applied 8056 place count 44940 transition count 65324
Reduce places removed 7876 places and 0 transitions.
Ensure Unique test removed 28 transitions
Reduce isomorphic transitions removed 28 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 20 transitions
Trivial Post-agglo rules discarded 20 transitions
Performed 20 trivial Post agglomeration. Transition count delta: 20
Iterating post reduction 1 with 7924 rules applied. Total rules applied 15980 place count 37064 transition count 65276
Reduce places removed 20 places and 0 transitions.
Performed 27 Post agglomeration using F-continuation condition.Transition count delta: 27
Iterating post reduction 2 with 47 rules applied. Total rules applied 16027 place count 37044 transition count 65249
Reduce places removed 27 places and 0 transitions.
Iterating post reduction 3 with 27 rules applied. Total rules applied 16054 place count 37017 transition count 65249
Performed 14 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 4 with 14 Pre rules applied. Total rules applied 16054 place count 37017 transition count 65235
Deduced a syphon composed of 14 places in 4687 ms
Reduce places removed 14 places and 0 transitions.
Iterating global reduction 4 with 28 rules applied. Total rules applied 16082 place count 37003 transition count 65235
Discarding 283 places :
Symmetric choice reduction at 4 with 283 rule applications. Total rules 16365 place count 36720 transition count 64952
Iterating global reduction 4 with 283 rules applied. Total rules applied 16648 place count 36720 transition count 64952
Performed 113 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 4 with 113 Pre rules applied. Total rules applied 16648 place count 36720 transition count 64839
Deduced a syphon composed of 113 places in 4997 ms
Reduce places removed 113 places and 0 transitions.
Iterating global reduction 4 with 226 rules applied. Total rules applied 16874 place count 36607 transition count 64839
Discarding 47 places :
Symmetric choice reduction at 4 with 47 rule applications. Total rules 16921 place count 36560 transition count 57975
Iterating global reduction 4 with 47 rules applied. Total rules applied 16968 place count 36560 transition count 57975
Ensure Unique test removed 19 transitions
Reduce isomorphic transitions removed 19 transitions.
Iterating post reduction 4 with 19 rules applied. Total rules applied 16987 place count 36560 transition count 57956
Performed 6020 Post agglomeration using F-continuation condition with reduction of 4 identical transitions.
Deduced a syphon composed of 6020 places in 26 ms
Reduce places removed 6020 places and 0 transitions.
Iterating global reduction 5 with 12040 rules applied. Total rules applied 29027 place count 30540 transition count 51932
Ensure Unique test removed 6 transitions
Reduce isomorphic transitions removed 6 transitions.
Iterating post reduction 5 with 6 rules applied. Total rules applied 29033 place count 30540 transition count 51926
Renaming transitions due to excessive name length > 1024 char.
Performed 4 Post agglomeration using F-continuation condition.Transition count delta: -15
Deduced a syphon composed of 4 places in 24 ms
Reduce places removed 4 places and 0 transitions.
Iterating global reduction 6 with 8 rules applied. Total rules applied 29041 place count 30536 transition count 51941
Free-agglomeration rule applied 6522 times with reduction of 1488 identical transitions.
Iterating global reduction 6 with 6522 rules applied. Total rules applied 35563 place count 30536 transition count 43931
Reduce places removed 6522 places and 0 transitions.
Drop transitions (Empty/Sink Transition effects.) removed 197 transitions
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 199 transitions.
Iterating post reduction 6 with 6721 rules applied. Total rules applied 42284 place count 24014 transition count 43732
Discarding 59 places :
Symmetric choice reduction at 7 with 59 rule applications. Total rules 42343 place count 23955 transition count 43432
Iterating global reduction 7 with 59 rules applied. Total rules applied 42402 place count 23955 transition count 43432
Free-agglomeration rule (complex) applied 18 times.
Iterating global reduction 7 with 18 rules applied. Total rules applied 42420 place count 23955 transition count 45972
Reduce places removed 18 places and 0 transitions.
Drop transitions (Empty/Sink Transition effects.) removed 64 transitions
Reduce isomorphic transitions removed 64 transitions.
Iterating post reduction 7 with 82 rules applied. Total rules applied 42502 place count 23937 transition count 45908
Discarding 9 places :
Symmetric choice reduction at 8 with 9 rule applications. Total rules 42511 place count 23928 transition count 44644
Iterating global reduction 8 with 9 rules applied. Total rules applied 42520 place count 23928 transition count 44644
Ensure Unique test removed 1145 transitions
Reduce isomorphic transitions removed 1145 transitions.
Iterating post reduction 8 with 1145 rules applied. Total rules applied 43665 place count 23928 transition count 43499
Partial Post-agglomeration rule applied 1 times.
Drop transitions (Partial Post agglomeration) removed 1 transitions
Iterating global reduction 9 with 1 rules applied. Total rules applied 43666 place count 23928 transition count 43499
Applied a total of 43666 rules in 60224 ms. Remains 23928 /44940 variables (removed 21012) and now considering 43499/73380 (removed 29881) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 60239 ms. Remains : 23928/44940 places, 43499/73380 transitions.
RANDOM walk for 545573 steps (0 resets) in 120004 ms. (4 steps per ms) remains 967/20851 properties
BEST_FIRST walk for 4004 steps (0 resets) in 261 ms. (15 steps per ms) remains 967/967 properties
BEST_FIRST walk for 4004 steps (0 resets) in 199 ms. (20 steps per ms) remains 967/967 properties
BEST_FIRST walk for 4004 steps (0 resets) in 231 ms. (17 steps per ms) remains 967/967 properties
BEST_FIRST walk for 4004 steps (0 resets) in 230 ms. (17 steps per ms) remains 967/967 properties
BEST_FIRST walk for 4004 steps (0 resets) in 229 ms. (17 steps per ms) remains 967/967 properties
BEST_FIRST walk for 4004 steps (0 resets) in 212 ms. (18 steps per ms) remains 967/967 properties
BEST_FIRST walk for 4004 steps (0 resets) in 225 ms. (17 steps per ms) remains 967/967 properties
BEST_FIRST walk for 4004 steps (0 resets) in 226 ms. (17 steps per ms) remains 967/967 properties
BEST_FIRST walk for 4004 steps (0 resets) in 236 ms. (16 steps per ms) remains 967/967 properties
BEST_FIRST walk for 4004 steps (0 resets) in 238 ms. (16 steps per ms) remains 967/967 properties
BEST_FIRST walk for 4004 steps (0 resets) in 236 ms. (16 steps per ms) remains 967/967 properties
BEST_FIRST walk for 4004 steps (0 resets) in 229 ms. (17 steps per ms) remains 967/967 properties
BEST_FIRST walk for 4004 steps (0 resets) in 263 ms. (15 steps per ms) remains 967/967 properties
BEST_FIRST walk for 4004 steps (0 resets) in 283 ms. (14 steps per ms) remains 967/967 properties
BEST_FIRST walk for 4004 steps (0 resets) in 302 ms. (13 steps per ms) remains 967/967 properties
BEST_FIRST walk for 4004 steps (0 resets) in 231 ms. (17 steps per ms) remains 967/967 properties
BEST_FIRST walk for 4004 steps (0 resets) in 225 ms. (17 steps per ms) remains 967/967 properties
BEST_FIRST walk for 4004 steps (0 resets) in 269 ms. (14 steps per ms) remains 967/967 properties
BEST_FIRST walk for 4004 steps (0 resets) in 284 ms. (14 steps per ms) remains 967/967 properties
BEST_FIRST walk for 4004 steps (0 resets) in 262 ms. (15 steps per ms) remains 967/967 properties
BEST_FIRST walk for 4004 steps (0 resets) in 215 ms. (18 steps per ms) remains 967/967 properties
BEST_FIRST walk for 4004 steps (0 resets) in 216 ms. (18 steps per ms) remains 967/967 properties
BEST_FIRST walk for 4004 steps (0 resets) in 221 ms. (18 steps per ms) remains 967/967 properties
BEST_FIRST walk for 4004 steps (0 resets) in 209 ms. (19 steps per ms) remains 967/967 properties
BEST_FIRST walk for 4004 steps (0 resets) in 202 ms. (19 steps per ms) remains 967/967 properties
BEST_FIRST walk for 4004 steps (0 resets) in 207 ms. (19 steps per ms) remains 967/967 properties
BEST_FIRST walk for 4004 steps (0 resets) in 203 ms. (19 steps per ms) remains 967/967 properties
BEST_FIRST walk for 4004 steps (0 resets) in 208 ms. (19 steps per ms) remains 967/967 properties
BEST_FIRST walk for 4004 steps (0 resets) in 236 ms. (16 steps per ms) remains 967/967 properties
BEST_FIRST walk for 4004 steps (0 resets) in 226 ms. (17 steps per ms) remains 967/967 properties
BEST_FIRST walk for 4004 steps (0 resets) in 237 ms. (16 steps per ms) remains 967/967 properties
BEST_FIRST walk for 4004 steps (0 resets) in 229 ms. (17 steps per ms) remains 967/967 properties
BEST_FIRST walk for 4004 steps (0 resets) in 243 ms. (16 steps per ms) remains 967/967 properties
BEST_FIRST walk for 4004 steps (0 resets) in 238 ms. (16 steps per ms) remains 967/967 properties
BEST_FIRST walk for 4004 steps (0 resets) in 236 ms. (16 steps per ms) remains 967/967 properties
BEST_FIRST walk for 4004 steps (0 resets) in 233 ms. (17 steps per ms) remains 967/967 properties
BEST_FIRST walk for 4004 steps (0 resets) in 233 ms. (17 steps per ms) remains 967/967 properties
BEST_FIRST walk for 4004 steps (0 resets) in 235 ms. (16 steps per ms) remains 967/967 properties
BEST_FIRST walk for 4004 steps (0 resets) in 227 ms. (17 steps per ms) remains 967/967 properties
BEST_FIRST walk for 4004 steps (0 resets) in 231 ms. (17 steps per ms) remains 967/967 properties
BEST_FIRST walk for 4004 steps (0 resets) in 231 ms. (17 steps per ms) remains 967/967 properties
BEST_FIRST walk for 4004 steps (0 resets) in 225 ms. (17 steps per ms) remains 967/967 properties
BEST_FIRST walk for 4004 steps (0 resets) in 231 ms. (17 steps per ms) remains 967/967 properties
BEST_FIRST walk for 4004 steps (0 resets) in 225 ms. (17 steps per ms) remains 967/967 properties
BEST_FIRST walk for 4004 steps (0 resets) in 226 ms. (17 steps per ms) remains 967/967 properties
BEST_FIRST walk for 4004 steps (0 resets) in 233 ms. (17 steps per ms) remains 967/967 properties
BEST_FIRST walk for 4004 steps (0 resets) in 212 ms. (18 steps per ms) remains 967/967 properties
BEST_FIRST walk for 4004 steps (0 resets) in 224 ms. (17 steps per ms) remains 967/967 properties
BEST_FIRST walk for 4004 steps (0 resets) in 230 ms. (17 steps per ms) remains 967/967 properties
BEST_FIRST walk for 4004 steps (0 resets) in 231 ms. (17 steps per ms) remains 967/967 properties
[2026-05-24 13:33:14] [INFO ] Flow matrix only has 41984 transitions (discarded 1515 similar events)
// Phase 1: matrix 41984 rows 23928 cols
[2026-05-24 13:33:14] [INFO ] Computed 2981 invariants in 154 ms
[2026-05-24 13:33:15] [INFO ] State equation strengthened by 2938 read => feed constraints.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/967 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 967 unsolved
SMT process timed out in 48952ms, After SMT, problems are : Problem set: 0 solved, 967 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 967 out of 23928 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 23928/23928 places, 43499/43499 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 12255 transitions
Trivial Post-agglo rules discarded 12255 transitions
Performed 12255 trivial Post agglomeration. Transition count delta: 12255
Iterating post reduction 0 with 12255 rules applied. Total rules applied 12255 place count 23928 transition count 31244
Reduce places removed 12255 places and 0 transitions.
Ensure Unique test removed 395 transitions
Reduce isomorphic transitions removed 395 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 393 transitions
Trivial Post-agglo rules discarded 393 transitions
Performed 393 trivial Post agglomeration. Transition count delta: 393
Iterating post reduction 1 with 13043 rules applied. Total rules applied 25298 place count 11673 transition count 30456
Reduce places removed 393 places and 0 transitions.
Ensure Unique test removed 113 transitions
Reduce isomorphic transitions removed 113 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 113 transitions
Trivial Post-agglo rules discarded 113 transitions
Performed 113 trivial Post agglomeration. Transition count delta: 113
Iterating post reduction 2 with 619 rules applied. Total rules applied 25917 place count 11280 transition count 30230
Reduce places removed 113 places and 0 transitions.
Performed 26 Post agglomeration using F-continuation condition.Transition count delta: 26
Iterating post reduction 3 with 139 rules applied. Total rules applied 26056 place count 11167 transition count 30204
Reduce places removed 26 places and 0 transitions.
Iterating post reduction 4 with 26 rules applied. Total rules applied 26082 place count 11141 transition count 30204
Performed 166 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 5 with 166 Pre rules applied. Total rules applied 26082 place count 11141 transition count 30038
Deduced a syphon composed of 166 places in 8 ms
Reduce places removed 166 places and 0 transitions.
Iterating global reduction 5 with 332 rules applied. Total rules applied 26414 place count 10975 transition count 30038
Discarding 2984 places :
Symmetric choice reduction at 5 with 2984 rule applications. Total rules 29398 place count 7991 transition count 27052
Iterating global reduction 5 with 2984 rules applied. Total rules applied 32382 place count 7991 transition count 27052
Ensure Unique test removed 4454 transitions
Reduce isomorphic transitions removed 4454 transitions.
Iterating post reduction 5 with 4454 rules applied. Total rules applied 36836 place count 7991 transition count 22598
Performed 5 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 6 with 5 Pre rules applied. Total rules applied 36836 place count 7991 transition count 22593
Deduced a syphon composed of 5 places in 6 ms
Reduce places removed 5 places and 0 transitions.
Iterating global reduction 6 with 10 rules applied. Total rules applied 36846 place count 7986 transition count 22593
Performed 3222 Post agglomeration using F-continuation condition with reduction of 1171 identical transitions.
Deduced a syphon composed of 3222 places in 6 ms
Reduce places removed 3222 places and 0 transitions.
Iterating global reduction 6 with 6444 rules applied. Total rules applied 43290 place count 4764 transition count 18200
Drop transitions (Empty/Sink Transition effects.) removed 6571 transitions
Ensure Unique test removed 131 transitions
Reduce isomorphic transitions removed 6702 transitions.
Graph (complete) has 13893 edges and 4764 vertex of which 3608 are kept as prefixes of interest. Removing 1156 places using SCC suffix rule.8 ms
Discarding 1156 places :
Also discarding 1821 output transitions
Drop transitions (Output transitions of discarded places.) removed 1821 transitions
Drop transitions (Trivial Post-Agglo cleanup.) removed 1 transitions
Trivial Post-agglo rules discarded 1 transitions
Performed 1 trivial Post agglomeration. Transition count delta: 1
Iterating post reduction 6 with 6704 rules applied. Total rules applied 49994 place count 3608 transition count 9676
Reduce places removed 1 places and 0 transitions.
Drop transitions (Empty/Sink Transition effects.) removed 1253 transitions
Reduce isomorphic transitions removed 1253 transitions.
Iterating post reduction 7 with 1254 rules applied. Total rules applied 51248 place count 3607 transition count 8423
Discarding 1041 places :
Symmetric choice reduction at 8 with 1041 rule applications. Total rules 52289 place count 2566 transition count 5242
Iterating global reduction 8 with 1041 rules applied. Total rules applied 53330 place count 2566 transition count 5242
Performed 7 Post agglomeration using F-continuation condition.Transition count delta: 7
Deduced a syphon composed of 7 places in 2 ms
Reduce places removed 7 places and 0 transitions.
Iterating global reduction 8 with 14 rules applied. Total rules applied 53344 place count 2559 transition count 5235
Drop transitions (Empty/Sink Transition effects.) removed 441 transitions
Reduce isomorphic transitions removed 441 transitions.
Graph (complete) has 6021 edges and 2559 vertex of which 2558 are kept as prefixes of interest. Removing 1 places using SCC suffix rule.3 ms
Discarding 1 places :
Also discarding 0 output transitions
Iterating post reduction 8 with 442 rules applied. Total rules applied 53786 place count 2558 transition count 4794
Discarding 62 places :
Symmetric choice reduction at 9 with 62 rule applications. Total rules 53848 place count 2496 transition count 4705
Iterating global reduction 9 with 62 rules applied. Total rules applied 53910 place count 2496 transition count 4705
Performed 101 Post agglomeration using F-continuation condition.Transition count delta: -500
Deduced a syphon composed of 101 places in 1 ms
Reduce places removed 101 places and 0 transitions.
Iterating global reduction 9 with 202 rules applied. Total rules applied 54112 place count 2395 transition count 5205
Drop transitions (Empty/Sink Transition effects.) removed 501 transitions
Ensure Unique test removed 37 transitions
Reduce isomorphic transitions removed 538 transitions.
Iterating post reduction 9 with 538 rules applied. Total rules applied 54650 place count 2395 transition count 4667
Discarding 29 places :
Symmetric choice reduction at 10 with 29 rule applications. Total rules 54679 place count 2366 transition count 4541
Iterating global reduction 10 with 29 rules applied. Total rules applied 54708 place count 2366 transition count 4541
Ensure Unique test removed 29 transitions
Reduce isomorphic transitions removed 29 transitions.
Iterating post reduction 10 with 29 rules applied. Total rules applied 54737 place count 2366 transition count 4512
Performed 81 Post agglomeration using F-continuation condition with reduction of 12 identical transitions.
Deduced a syphon composed of 81 places in 1 ms
Reduce places removed 81 places and 0 transitions.
Iterating global reduction 11 with 162 rules applied. Total rules applied 54899 place count 2285 transition count 4925
Drop transitions (Empty/Sink Transition effects.) removed 491 transitions
Ensure Unique test removed 32 transitions
Reduce isomorphic transitions removed 523 transitions.
Iterating post reduction 11 with 523 rules applied. Total rules applied 55422 place count 2285 transition count 4402
Discarding 17 places :
Symmetric choice reduction at 12 with 17 rule applications. Total rules 55439 place count 2268 transition count 4325
Iterating global reduction 12 with 17 rules applied. Total rules applied 55456 place count 2268 transition count 4325
Ensure Unique test removed 17 transitions
Reduce isomorphic transitions removed 17 transitions.
Iterating post reduction 12 with 17 rules applied. Total rules applied 55473 place count 2268 transition count 4308
Performed 17 Post agglomeration using F-continuation condition.Transition count delta: -111
Deduced a syphon composed of 17 places in 1 ms
Reduce places removed 17 places and 0 transitions.
Iterating global reduction 13 with 34 rules applied. Total rules applied 55507 place count 2251 transition count 4419
Drop transitions (Empty/Sink Transition effects.) removed 135 transitions
Ensure Unique test removed 10 transitions
Reduce isomorphic transitions removed 145 transitions.
Iterating post reduction 13 with 145 rules applied. Total rules applied 55652 place count 2251 transition count 4274
Drop transitions (Redundant composition of simpler transitions.) removed 31 transitions
Redundant transition composition rules discarded 31 transitions
Iterating global reduction 14 with 31 rules applied. Total rules applied 55683 place count 2251 transition count 4243
Free-agglomeration rule applied 11 times.
Iterating global reduction 14 with 11 rules applied. Total rules applied 55694 place count 2251 transition count 4232
Reduce places removed 11 places and 0 transitions.
Drop transitions (Empty/Sink Transition effects.) removed 693 transitions
Reduce isomorphic transitions removed 693 transitions.
Iterating post reduction 14 with 704 rules applied. Total rules applied 56398 place count 2240 transition count 3539
Discarding 5 places :
Symmetric choice reduction at 15 with 5 rule applications. Total rules 56403 place count 2235 transition count 3530
Iterating global reduction 15 with 5 rules applied. Total rules applied 56408 place count 2235 transition count 3530
Ensure Unique test removed 317 transitions
Reduce isomorphic transitions removed 317 transitions.
Iterating post reduction 15 with 317 rules applied. Total rules applied 56725 place count 2235 transition count 3213
Performed 6 Post agglomeration using F-continuation condition.Transition count delta: 6
Deduced a syphon composed of 6 places in 1 ms
Reduce places removed 6 places and 0 transitions.
Iterating global reduction 16 with 12 rules applied. Total rules applied 56737 place count 2229 transition count 3207
Drop transitions (Empty/Sink Transition effects.) removed 378 transitions
Reduce isomorphic transitions removed 378 transitions.
Graph (complete) has 4618 edges and 2229 vertex of which 2223 are kept as prefixes of interest. Removing 6 places using SCC suffix rule.2 ms
Discarding 6 places :
Also discarding 0 output transitions
Iterating post reduction 16 with 379 rules applied. Total rules applied 57116 place count 2223 transition count 2829
Discarding 370 places :
Symmetric choice reduction at 17 with 370 rule applications. Total rules 57486 place count 1853 transition count 2203
Iterating global reduction 17 with 370 rules applied. Total rules applied 57856 place count 1853 transition count 2203
Drop transitions (Redundant composition of simpler transitions.) removed 2 transitions
Redundant transition composition rules discarded 2 transitions
Iterating global reduction 17 with 2 rules applied. Total rules applied 57858 place count 1853 transition count 2201
Applied a total of 57858 rules in 6353 ms. Remains 1853 /23928 variables (removed 22075) and now considering 2201/43499 (removed 41298) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 6353 ms. Remains : 1853/23928 places, 2201/43499 transitions.
RANDOM walk for 111133 steps (0 resets) in 10130 ms. (10 steps per ms) remains 0/967 properties
ITS runner timed out or was interrupted.
ITS tools runner thread asked to quit. Dying gracefully.
Able to resolve query StableMarking after proving 21732 properties.
FORMULA StableMarking FALSE TECHNIQUES RANDOM_WALK MARKED_SUFFIX_TEST TRIVIAL_UNMARKED_SCC_TEST TOPOLOGICAL
Total runtime 343025 ms.

BK_STOP 1779629656308

--------------------
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
++ sed s/.jar//
++ ls /home/mcc/BenchKit/bin//../itstools/bin//..//itstools/plugins/fr.lip6.move.gal.application.pnmcc_1.0.0.202505121319.jar
++ perl -pe 's/.*\.//g'
+ VERSION=202505121319
+ echo 'Running Version 202505121319'
+ /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="DLCflexbar-PT-8b"
export BK_EXAMINATION="StableMarking"
export BK_TOOL="gold2025"
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 2-5973"
echo " Executing tool gold2025"
echo " Input is DLCflexbar-PT-8b, 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 r112-tall-177955701100313"
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 [ "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.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 ;