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-177955695600500.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 LTLFireability
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r098-tall-177955695600500
=====================================================================

--------------------
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-LTLFireability-00
FORMULA_NAME DLCflexbar-PT-8b-LTLFireability-01
FORMULA_NAME DLCflexbar-PT-8b-LTLFireability-02
FORMULA_NAME DLCflexbar-PT-8b-LTLFireability-03
FORMULA_NAME DLCflexbar-PT-8b-LTLFireability-04
FORMULA_NAME DLCflexbar-PT-8b-LTLFireability-05
FORMULA_NAME DLCflexbar-PT-8b-LTLFireability-06
FORMULA_NAME DLCflexbar-PT-8b-LTLFireability-07
FORMULA_NAME DLCflexbar-PT-8b-LTLFireability-08
FORMULA_NAME DLCflexbar-PT-8b-LTLFireability-09
FORMULA_NAME DLCflexbar-PT-8b-LTLFireability-10
FORMULA_NAME DLCflexbar-PT-8b-LTLFireability-11
FORMULA_NAME DLCflexbar-PT-8b-LTLFireability-12
FORMULA_NAME DLCflexbar-PT-8b-LTLFireability-13
FORMULA_NAME DLCflexbar-PT-8b-LTLFireability-14
FORMULA_NAME DLCflexbar-PT-8b-LTLFireability-15

=== Now, execution of the tool begins

BK_START 1779624383920

Invoking MCC driver with
BK_TOOL=itstools
BK_EXAMINATION=LTLFireability
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
LTLFireability PT
Running Version 202604301425
[2026-05-24 12:06:25] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, LTLFireability, -its, -ltsmin, -greatspnpath, /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/, -order, META, -manyOrder, -smt, -timeout, 3600]
[2026-05-24 12:06:25] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-05-24 12:06:26] [INFO ] Load time of PNML (sax parser for PT used): 1192 ms
[2026-05-24 12:06:27] [INFO ] Transformed 47560 places.
[2026-05-24 12:06:27] [INFO ] Transformed 76160 transitions.
[2026-05-24 12:06:27] [INFO ] Found NUPN structural information;
[2026-05-24 12:06:32] [INFO ] Parsed PT model containing 47560 places and 76160 transitions and 216499 arcs in 7007 ms.
Parsed 16 properties from file /home/mcc/execution/LTLFireability.xml in 38 ms.
Working with output stream class java.io.PrintStream
Initial state reduction rules removed 2 formulas.
FORMULA DLCflexbar-PT-8b-LTLFireability-10 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA DLCflexbar-PT-8b-LTLFireability-13 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Support contains 51 out of 47560 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 47560/47560 places, 76160/76160 transitions.
Applied a total of 0 rules in 8943 ms. Remains 47560 /47560 variables (removed 0) and now considering 76160/76160 (removed 0) transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-8435488401995472781.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-12031301482958657898.kers'
[2026-05-24 12:06:56] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-8435488401995472781.kers, --Pflows, --basisKERS=/tmp/petrispot-output-12031301482958657898.kers]
Culled 0 columns in 64 ms.
// Phase 1: matrix 76160 rows 47560 cols 216499 entries
Finished phase 1 with 44520 SingleSign rule and 0 generalized
[2026-05-24 12:07:42] [INFO ] Computed 3040 invariants in 46099 ms
Computed 3040 P flows in 46102 ms.
Exported basis to /tmp/petrispot-output-12031301482958657898.kers
Total runtime 46254 ms.
[2026-05-24 12:09:08] [INFO ] Performed 6370/47560 implicitness test of which 0 returned IMPLICIT in 30 seconds.
[2026-05-24 12:09:38] [INFO ] Performed 21863/47560 implicitness test of which 0 returned IMPLICIT in 60 seconds.
[2026-05-24 12:10:08] [INFO ] Performed 41403/47560 implicitness test of which 0 returned IMPLICIT in 90 seconds.
[2026-05-24 12:10:18] [INFO ] Implicit Places using invariants in 202228 ms returned []
Implicit Place search using SMT only with invariants took 202268 ms to find 0 implicit places.
Running 76159 sub problems to find dead transitions.
[2026-05-24 12:10:18] [INFO ] Invariant cache hit.
SMT process timed out in 637201ms, After SMT, problems are : Problem set: 0 solved, 76159 unsolved
Search for dead transitions found 0 dead transitions in 637525ms
Finished structural reductions in LTL mode , in 1 iterations and 849001 ms. Remains : 47560/47560 places, 76160/76160 transitions.
Starting structural reductions in LTL mode, iteration 0 : 47560/47560 places, 76160/76160 transitions.
Applied a total of 0 rules in 9440 ms. Remains 47560 /47560 variables (removed 0) and now considering 76160/76160 (removed 0) transitions.
[2026-05-24 12:21:05] [INFO ] Invariant cache hit.
[2026-05-24 12:22:29] [INFO ] Performed 6370/47560 implicitness test of which 0 returned IMPLICIT in 30 seconds.
[2026-05-24 12:22:59] [INFO ] Performed 21036/47560 implicitness test of which 0 returned IMPLICIT in 60 seconds.
[2026-05-24 12:23:29] [INFO ] Performed 38353/47560 implicitness test of which 0 returned IMPLICIT in 90 seconds.
[2026-05-24 12:23:45] [INFO ] Implicit Places using invariants in 159684 ms returned []
Implicit Place search using SMT only with invariants took 159691 ms to find 0 implicit places.
Skipped dead transition search.
Finished structural reductions in LTL mode , in 1 iterations and 169138 ms. Remains : 47560/47560 places, 76160/76160 transitions.
Support contains 51 out of 47560 places after structural reductions.
[2026-05-24 12:23:53] [INFO ] Flatten gal took : 1730 ms
[2026-05-24 12:23:55] [INFO ] Flatten gal took : 1246 ms
[2026-05-24 12:23:58] [INFO ] Input system was already deterministic with 76160 transitions.
RANDOM walk for 40000 steps (8 resets) in 4042 ms. (9 steps per ms) remains 35/37 properties
BEST_FIRST walk for 4004 steps (8 resets) in 40 ms. (97 steps per ms) remains 35/35 properties
BEST_FIRST walk for 4004 steps (8 resets) in 37 ms. (105 steps per ms) remains 35/35 properties
BEST_FIRST walk for 4003 steps (8 resets) in 37 ms. (105 steps per ms) remains 35/35 properties
BEST_FIRST walk for 4004 steps (8 resets) in 35 ms. (111 steps per ms) remains 35/35 properties
BEST_FIRST walk for 4003 steps (8 resets) in 33 ms. (117 steps per ms) remains 35/35 properties
BEST_FIRST walk for 4004 steps (8 resets) in 42 ms. (93 steps per ms) remains 35/35 properties
BEST_FIRST walk for 4004 steps (8 resets) in 37 ms. (105 steps per ms) remains 35/35 properties
BEST_FIRST walk for 4004 steps (8 resets) in 36 ms. (108 steps per ms) remains 35/35 properties
BEST_FIRST walk for 4004 steps (8 resets) in 76 ms. (52 steps per ms) remains 35/35 properties
BEST_FIRST walk for 4004 steps (8 resets) in 25 ms. (154 steps per ms) remains 35/35 properties
BEST_FIRST walk for 4003 steps (8 resets) in 24 ms. (160 steps per ms) remains 35/35 properties
BEST_FIRST walk for 4004 steps (8 resets) in 25 ms. (154 steps per ms) remains 35/35 properties
BEST_FIRST walk for 4003 steps (8 resets) in 28 ms. (138 steps per ms) remains 35/35 properties
BEST_FIRST walk for 4004 steps (8 resets) in 31 ms. (125 steps per ms) remains 35/35 properties
BEST_FIRST walk for 4004 steps (8 resets) in 23 ms. (166 steps per ms) remains 35/35 properties
BEST_FIRST walk for 4004 steps (8 resets) in 24 ms. (160 steps per ms) remains 35/35 properties
BEST_FIRST walk for 4004 steps (8 resets) in 51 ms. (77 steps per ms) remains 35/35 properties
BEST_FIRST walk for 4004 steps (8 resets) in 31 ms. (125 steps per ms) remains 35/35 properties
BEST_FIRST walk for 4004 steps (8 resets) in 29 ms. (133 steps per ms) remains 35/35 properties
BEST_FIRST walk for 4004 steps (8 resets) in 29 ms. (133 steps per ms) remains 35/35 properties
BEST_FIRST walk for 4004 steps (8 resets) in 31 ms. (125 steps per ms) remains 35/35 properties
BEST_FIRST walk for 4004 steps (8 resets) in 34 ms. (114 steps per ms) remains 35/35 properties
BEST_FIRST walk for 4004 steps (8 resets) in 40 ms. (97 steps per ms) remains 35/35 properties
BEST_FIRST walk for 4004 steps (8 resets) in 50 ms. (78 steps per ms) remains 35/35 properties
BEST_FIRST walk for 4004 steps (8 resets) in 43 ms. (91 steps per ms) remains 35/35 properties
BEST_FIRST walk for 4004 steps (8 resets) in 50 ms. (78 steps per ms) remains 35/35 properties
BEST_FIRST walk for 4003 steps (8 resets) in 55 ms. (71 steps per ms) remains 35/35 properties
BEST_FIRST walk for 4003 steps (8 resets) in 60 ms. (65 steps per ms) remains 35/35 properties
BEST_FIRST walk for 4004 steps (8 resets) in 61 ms. (64 steps per ms) remains 35/35 properties
BEST_FIRST walk for 4004 steps (8 resets) in 78 ms. (50 steps per ms) remains 35/35 properties
BEST_FIRST walk for 4004 steps (8 resets) in 89 ms. (44 steps per ms) remains 35/35 properties
BEST_FIRST walk for 4004 steps (8 resets) in 84 ms. (47 steps per ms) remains 35/35 properties
BEST_FIRST walk for 4004 steps (8 resets) in 73 ms. (54 steps per ms) remains 35/35 properties
BEST_FIRST walk for 4004 steps (8 resets) in 105 ms. (37 steps per ms) remains 35/35 properties
BEST_FIRST walk for 4004 steps (8 resets) in 34 ms. (114 steps per ms) remains 35/35 properties
Interrupted probabilistic random walk after 70017 steps, run timeout after 3001 ms. (steps per millisecond=23 ) properties seen :0 out of 35
Probabilistic random walk after 70017 steps, saw 69379 distinct states, run finished after 3008 ms. (steps per millisecond=23 ) properties seen :0
[2026-05-24 12:24:16] [INFO ] Invariant cache hit.
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/49 variables, 49/49 constraints. Problems are: Problem set: 0 solved, 35 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/49 variables, 0/49 constraints. Problems are: Problem set: 0 solved, 35 unsolved
SMT process timed out in 6560ms, After SMT, problems are : Problem set: 0 solved, 35 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 49 out of 47560 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 47560/47560 places, 76160/76160 transitions.
Graph (trivial) has 42454 edges and 47560 vertex of which 2745 / 47560 are part of one of the 179 SCC in 107 ms
Free SCC test removed 2566 places
Drop transitions (Empty/Sink Transition effects.) removed 2901 transitions
Reduce isomorphic transitions removed 2901 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 20690 transitions
Trivial Post-agglo rules discarded 20690 transitions
Performed 20690 trivial Post agglomeration. Transition count delta: 20690
Iterating post reduction 0 with 20690 rules applied. Total rules applied 20691 place count 44994 transition count 52569
Reduce places removed 20690 places and 0 transitions.
Ensure Unique test removed 446 transitions
Reduce isomorphic transitions removed 446 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 438 transitions
Trivial Post-agglo rules discarded 438 transitions
Performed 438 trivial Post agglomeration. Transition count delta: 438
Iterating post reduction 1 with 21574 rules applied. Total rules applied 42265 place count 24304 transition count 51685
Reduce places removed 438 places and 0 transitions.
Ensure Unique test removed 139 transitions
Reduce isomorphic transitions removed 139 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 139 transitions
Trivial Post-agglo rules discarded 139 transitions
Performed 139 trivial Post agglomeration. Transition count delta: 139
Iterating post reduction 2 with 716 rules applied. Total rules applied 42981 place count 23866 transition count 51407
Reduce places removed 139 places and 0 transitions.
Performed 16 Post agglomeration using F-continuation condition.Transition count delta: 16
Iterating post reduction 3 with 155 rules applied. Total rules applied 43136 place count 23727 transition count 51391
Reduce places removed 16 places and 0 transitions.
Iterating post reduction 4 with 16 rules applied. Total rules applied 43152 place count 23711 transition count 51391
Performed 161 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 5 with 161 Pre rules applied. Total rules applied 43152 place count 23711 transition count 51230
Deduced a syphon composed of 161 places in 4552 ms
Reduce places removed 161 places and 0 transitions.
Iterating global reduction 5 with 322 rules applied. Total rules applied 43474 place count 23550 transition count 51230
Performed 13109 Post agglomeration using F-continuation condition.Transition count delta: 13109
Deduced a syphon composed of 13109 places in 38 ms
Reduce places removed 13109 places and 0 transitions.
Iterating global reduction 5 with 26218 rules applied. Total rules applied 69692 place count 10441 transition count 38121
Renaming transitions due to excessive name length > 1024 char.
Discarding 353 places :
Symmetric choice reduction at 5 with 353 rule applications. Total rules 70045 place count 10088 transition count 26458
Iterating global reduction 5 with 353 rules applied. Total rules applied 70398 place count 10088 transition count 26458
Ensure Unique test removed 309 transitions
Reduce isomorphic transitions removed 309 transitions.
Iterating post reduction 5 with 309 rules applied. Total rules applied 70707 place count 10088 transition count 26149
Discarding 3 places :
Symmetric choice reduction at 6 with 3 rule applications. Total rules 70710 place count 10085 transition count 25841
Iterating global reduction 6 with 3 rules applied. Total rules applied 70713 place count 10085 transition count 25841
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 6 with 2 rules applied. Total rules applied 70715 place count 10085 transition count 25839
Performed 2 Post agglomeration using F-continuation condition.Transition count delta: 2
Deduced a syphon composed of 2 places in 5 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 7 with 4 rules applied. Total rules applied 70719 place count 10083 transition count 25837
Performed 101 Post agglomeration using F-continuation condition.Transition count delta: -900
Deduced a syphon composed of 101 places in 5 ms
Reduce places removed 101 places and 0 transitions.
Iterating global reduction 7 with 202 rules applied. Total rules applied 70921 place count 9982 transition count 26737
Ensure Unique test removed 50 transitions
Reduce isomorphic transitions removed 50 transitions.
Iterating post reduction 7 with 50 rules applied. Total rules applied 70971 place count 9982 transition count 26687
Discarding 49 places :
Symmetric choice reduction at 8 with 49 rule applications. Total rules 71020 place count 9933 transition count 25707
Iterating global reduction 8 with 49 rules applied. Total rules applied 71069 place count 9933 transition count 25707
Ensure Unique test removed 47 transitions
Reduce isomorphic transitions removed 47 transitions.
Iterating post reduction 8 with 47 rules applied. Total rules applied 71116 place count 9933 transition count 25660
Performed 101 Post agglomeration using F-continuation condition.Transition count delta: -871
Deduced a syphon composed of 101 places in 5 ms
Reduce places removed 101 places and 0 transitions.
Iterating global reduction 9 with 202 rules applied. Total rules applied 71318 place count 9832 transition count 26531
Ensure Unique test removed 26 transitions
Reduce isomorphic transitions removed 26 transitions.
Iterating post reduction 9 with 26 rules applied. Total rules applied 71344 place count 9832 transition count 26505
Discarding 26 places :
Symmetric choice reduction at 10 with 26 rule applications. Total rules 71370 place count 9806 transition count 25985
Iterating global reduction 10 with 26 rules applied. Total rules applied 71396 place count 9806 transition count 25985
Ensure Unique test removed 26 transitions
Reduce isomorphic transitions removed 26 transitions.
Iterating post reduction 10 with 26 rules applied. Total rules applied 71422 place count 9806 transition count 25959
Performed 101 Post agglomeration using F-continuation condition.Transition count delta: -883
Deduced a syphon composed of 101 places in 5 ms
Reduce places removed 101 places and 0 transitions.
Iterating global reduction 11 with 202 rules applied. Total rules applied 71624 place count 9705 transition count 26842
Ensure Unique test removed 38 transitions
Reduce isomorphic transitions removed 38 transitions.
Iterating post reduction 11 with 38 rules applied. Total rules applied 71662 place count 9705 transition count 26804
Discarding 38 places :
Symmetric choice reduction at 12 with 38 rule applications. Total rules 71700 place count 9667 transition count 26044
Iterating global reduction 12 with 38 rules applied. Total rules applied 71738 place count 9667 transition count 26044
Ensure Unique test removed 38 transitions
Reduce isomorphic transitions removed 38 transitions.
Iterating post reduction 12 with 38 rules applied. Total rules applied 71776 place count 9667 transition count 26006
Performed 101 Post agglomeration using F-continuation condition.Transition count delta: -848
Deduced a syphon composed of 101 places in 5 ms
Reduce places removed 101 places and 0 transitions.
Iterating global reduction 13 with 202 rules applied. Total rules applied 71978 place count 9566 transition count 26854
Drop transitions (Empty/Sink Transition effects.) removed 14 transitions
Ensure Unique test removed 26 transitions
Reduce isomorphic transitions removed 40 transitions.
Iterating post reduction 13 with 40 rules applied. Total rules applied 72018 place count 9566 transition count 26814
Discarding 26 places :
Symmetric choice reduction at 14 with 26 rule applications. Total rules 72044 place count 9540 transition count 26294
Iterating global reduction 14 with 26 rules applied. Total rules applied 72070 place count 9540 transition count 26294
Ensure Unique test removed 26 transitions
Reduce isomorphic transitions removed 26 transitions.
Iterating post reduction 14 with 26 rules applied. Total rules applied 72096 place count 9540 transition count 26268
Performed 26 Post agglomeration using F-continuation condition.Transition count delta: -208
Deduced a syphon composed of 26 places in 5 ms
Reduce places removed 26 places and 0 transitions.
Iterating global reduction 15 with 52 rules applied. Total rules applied 72148 place count 9514 transition count 26476
Free-agglomeration rule applied 6188 times with reduction of 4063 identical transitions.
Iterating global reduction 15 with 6188 rules applied. Total rules applied 78336 place count 9514 transition count 16225
Reduce places removed 6188 places and 0 transitions.
Drop transitions (Empty/Sink Transition effects.) removed 7575 transitions
Ensure Unique test removed 19 transitions
Reduce isomorphic transitions removed 7594 transitions.
Graph (complete) has 11833 edges and 3326 vertex of which 1902 are kept as prefixes of interest. Removing 1424 places using SCC suffix rule.9 ms
Discarding 1424 places :
Also discarding 1936 output transitions
Drop transitions (Output transitions of discarded places.) removed 1936 transitions
Iterating post reduction 15 with 13783 rules applied. Total rules applied 92119 place count 1902 transition count 6695
Drop transitions (Empty/Sink Transition effects.) removed 1318 transitions
Ensure Unique test removed 16 transitions
Reduce isomorphic transitions removed 1334 transitions.
Iterating post reduction 16 with 1334 rules applied. Total rules applied 93453 place count 1902 transition count 5361
Discarding 1390 places :
Symmetric choice reduction at 17 with 1390 rule applications. Total rules 94843 place count 512 transition count 1482
Iterating global reduction 17 with 1390 rules applied. Total rules applied 96233 place count 512 transition count 1482
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 17 with 2 rules applied. Total rules applied 96235 place count 512 transition count 1480
Drop transitions (Redundant composition of simpler transitions.) removed 39 transitions
Redundant transition composition rules discarded 39 transitions
Iterating global reduction 18 with 39 rules applied. Total rules applied 96274 place count 512 transition count 1441
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 18 with 1 rules applied. Total rules applied 96275 place count 511 transition count 1441
Discarding 17 places :
Symmetric choice reduction at 19 with 17 rule applications. Total rules 96292 place count 494 transition count 1406
Iterating global reduction 19 with 17 rules applied. Total rules applied 96309 place count 494 transition count 1406
Discarding 9 places :
Symmetric choice reduction at 19 with 9 rule applications. Total rules 96318 place count 485 transition count 1165
Iterating global reduction 19 with 9 rules applied. Total rules applied 96327 place count 485 transition count 1165
Ensure Unique test removed 9 transitions
Reduce isomorphic transitions removed 9 transitions.
Iterating post reduction 19 with 9 rules applied. Total rules applied 96336 place count 485 transition count 1156
Performed 8 Post agglomeration using F-continuation condition.Transition count delta: 8
Deduced a syphon composed of 8 places in 0 ms
Reduce places removed 8 places and 0 transitions.
Iterating global reduction 20 with 16 rules applied. Total rules applied 96352 place count 477 transition count 1148
Discarding 1 places :
Symmetric choice reduction at 20 with 1 rule applications. Total rules 96353 place count 476 transition count 1121
Iterating global reduction 20 with 1 rules applied. Total rules applied 96354 place count 476 transition count 1121
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 20 with 1 rules applied. Total rules applied 96355 place count 476 transition count 1120
Drop transitions (Redundant composition of simpler transitions.) removed 1 transitions
Redundant transition composition rules discarded 1 transitions
Iterating global reduction 21 with 1 rules applied. Total rules applied 96356 place count 476 transition count 1119
Free-agglomeration rule applied 12 times.
Iterating global reduction 21 with 12 rules applied. Total rules applied 96368 place count 476 transition count 1107
Reduce places removed 12 places and 0 transitions.
Drop transitions (Empty/Sink Transition effects.) removed 204 transitions
Ensure Unique test removed 8 transitions
Reduce isomorphic transitions removed 212 transitions.
Graph (complete) has 1353 edges and 464 vertex of which 462 are kept as prefixes of interest. Removing 2 places using SCC suffix rule.1 ms
Discarding 2 places :
Also discarding 0 output transitions
Iterating post reduction 21 with 225 rules applied. Total rules applied 96593 place count 462 transition count 895
Discarding 47 places :
Symmetric choice reduction at 22 with 47 rule applications. Total rules 96640 place count 415 transition count 832
Iterating global reduction 22 with 47 rules applied. Total rules applied 96687 place count 415 transition count 832
Drop transitions (Redundant composition of simpler transitions.) removed 12 transitions
Redundant transition composition rules discarded 12 transitions
Iterating global reduction 22 with 12 rules applied. Total rules applied 96699 place count 415 transition count 820
Reduce places removed 2 places and 0 transitions.
Iterating post reduction 22 with 2 rules applied. Total rules applied 96701 place count 413 transition count 820
Discarding 4 places :
Symmetric choice reduction at 23 with 4 rule applications. Total rules 96705 place count 409 transition count 812
Iterating global reduction 23 with 4 rules applied. Total rules applied 96709 place count 409 transition count 812
Performed 2 Post agglomeration using F-continuation condition.Transition count delta: -10
Deduced a syphon composed of 2 places in 0 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 23 with 4 rules applied. Total rules applied 96713 place count 407 transition count 822
Drop transitions (Empty/Sink Transition effects.) removed 14 transitions
Reduce isomorphic transitions removed 14 transitions.
Iterating post reduction 23 with 14 rules applied. Total rules applied 96727 place count 407 transition count 808
Partial Free-agglomeration rule applied 2 times.
Drop transitions (Partial Free agglomeration) removed 2 transitions
Iterating global reduction 24 with 2 rules applied. Total rules applied 96729 place count 407 transition count 808
Drop transitions (Redundant composition of simpler transitions.) removed 1 transitions
Redundant transition composition rules discarded 1 transitions
Iterating global reduction 24 with 1 rules applied. Total rules applied 96730 place count 407 transition count 807
Discarding 1 places :
Symmetric choice reduction at 24 with 1 rule applications. Total rules 96731 place count 406 transition count 806
Iterating global reduction 24 with 1 rules applied. Total rules applied 96732 place count 406 transition count 806
Discarding 1 places :
Symmetric choice reduction at 24 with 1 rule applications. Total rules 96733 place count 405 transition count 780
Iterating global reduction 24 with 1 rules applied. Total rules applied 96734 place count 405 transition count 780
Drop transitions (Redundant composition of simpler transitions.) removed 1 transitions
Redundant transition composition rules discarded 1 transitions
Iterating global reduction 24 with 1 rules applied. Total rules applied 96735 place count 405 transition count 779
Applied a total of 96735 rules in 46250 ms. Remains 405 /47560 variables (removed 47155) and now considering 779/76160 (removed 75381) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 46250 ms. Remains : 405/47560 places, 779/76160 transitions.
RANDOM walk for 3893 steps (0 resets) in 489 ms. (7 steps per ms) remains 0/35 properties
FORMULA DLCflexbar-PT-8b-LTLFireability-02 FALSE TECHNIQUES REACHABILITY_KNOWLEDGE
Computed a total of 13150 stabilizing places and 13150 stable transitions
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(G(F(p0)))'
Support contains 1 out of 47560 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 47560/47560 places, 76160/76160 transitions.
Graph (trivial) has 42546 edges and 47560 vertex of which 2800 / 47560 are part of one of the 180 SCC in 104 ms
Free SCC test removed 2620 places
Ensure Unique test removed 2780 transitions
Reduce isomorphic transitions removed 2780 transitions.
Reduce places removed 1 places and 1 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 20707 transitions
Trivial Post-agglo rules discarded 20707 transitions
Performed 20707 trivial Post agglomeration. Transition count delta: 20707
Iterating post reduction 0 with 20707 rules applied. Total rules applied 20708 place count 44939 transition count 52672
Reduce places removed 20707 places and 0 transitions.
Ensure Unique test removed 450 transitions
Reduce isomorphic transitions removed 450 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 440 transitions
Trivial Post-agglo rules discarded 440 transitions
Performed 440 trivial Post agglomeration. Transition count delta: 440
Iterating post reduction 1 with 21597 rules applied. Total rules applied 42305 place count 24232 transition count 51782
Reduce places removed 440 places and 0 transitions.
Ensure Unique test removed 140 transitions
Reduce isomorphic transitions removed 140 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 140 transitions
Trivial Post-agglo rules discarded 140 transitions
Performed 140 trivial Post agglomeration. Transition count delta: 140
Iterating post reduction 2 with 720 rules applied. Total rules applied 43025 place count 23792 transition count 51502
Reduce places removed 140 places and 0 transitions.
Iterating post reduction 3 with 140 rules applied. Total rules applied 43165 place count 23652 transition count 51502
Performed 143 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 4 with 143 Pre rules applied. Total rules applied 43165 place count 23652 transition count 51359
Deduced a syphon composed of 143 places in 4370 ms
Reduce places removed 143 places and 0 transitions.
Iterating global reduction 4 with 286 rules applied. Total rules applied 43451 place count 23509 transition count 51359
Performed 13135 Post agglomeration using F-continuation condition.Transition count delta: 13135
Deduced a syphon composed of 13135 places in 10 ms
Reduce places removed 13135 places and 0 transitions.
Iterating global reduction 4 with 26270 rules applied. Total rules applied 69721 place count 10374 transition count 38224
Renaming transitions due to excessive name length > 1024 char.
Discarding 352 places :
Symmetric choice reduction at 4 with 352 rule applications. Total rules 70073 place count 10022 transition count 24992
Iterating global reduction 4 with 352 rules applied. Total rules applied 70425 place count 10022 transition count 24992
Ensure Unique test removed 320 transitions
Reduce isomorphic transitions removed 320 transitions.
Iterating post reduction 4 with 320 rules applied. Total rules applied 70745 place count 10022 transition count 24672
Performed 101 Post agglomeration using F-continuation condition.Transition count delta: -909
Deduced a syphon composed of 101 places in 4 ms
Reduce places removed 101 places and 0 transitions.
Iterating global reduction 5 with 202 rules applied. Total rules applied 70947 place count 9921 transition count 25581
Ensure Unique test removed 50 transitions
Reduce isomorphic transitions removed 50 transitions.
Iterating post reduction 5 with 50 rules applied. Total rules applied 70997 place count 9921 transition count 25531
Discarding 50 places :
Symmetric choice reduction at 6 with 50 rule applications. Total rules 71047 place count 9871 transition count 24531
Iterating global reduction 6 with 50 rules applied. Total rules applied 71097 place count 9871 transition count 24531
Ensure Unique test removed 50 transitions
Reduce isomorphic transitions removed 50 transitions.
Iterating post reduction 6 with 50 rules applied. Total rules applied 71147 place count 9871 transition count 24481
Performed 101 Post agglomeration using F-continuation condition.Transition count delta: -859
Deduced a syphon composed of 101 places in 4 ms
Reduce places removed 101 places and 0 transitions.
Iterating global reduction 7 with 202 rules applied. Total rules applied 71349 place count 9770 transition count 25340
Ensure Unique test removed 26 transitions
Reduce isomorphic transitions removed 26 transitions.
Iterating post reduction 7 with 26 rules applied. Total rules applied 71375 place count 9770 transition count 25314
Discarding 26 places :
Symmetric choice reduction at 8 with 26 rule applications. Total rules 71401 place count 9744 transition count 24794
Iterating global reduction 8 with 26 rules applied. Total rules applied 71427 place count 9744 transition count 24794
Ensure Unique test removed 26 transitions
Reduce isomorphic transitions removed 26 transitions.
Iterating post reduction 8 with 26 rules applied. Total rules applied 71453 place count 9744 transition count 24768
Performed 101 Post agglomeration using F-continuation condition.Transition count delta: -883
Deduced a syphon composed of 101 places in 4 ms
Reduce places removed 101 places and 0 transitions.
Iterating global reduction 9 with 202 rules applied. Total rules applied 71655 place count 9643 transition count 25651
Ensure Unique test removed 37 transitions
Reduce isomorphic transitions removed 37 transitions.
Iterating post reduction 9 with 37 rules applied. Total rules applied 71692 place count 9643 transition count 25614
Discarding 37 places :
Symmetric choice reduction at 10 with 37 rule applications. Total rules 71729 place count 9606 transition count 24874
Iterating global reduction 10 with 37 rules applied. Total rules applied 71766 place count 9606 transition count 24874
Ensure Unique test removed 37 transitions
Reduce isomorphic transitions removed 37 transitions.
Iterating post reduction 10 with 37 rules applied. Total rules applied 71803 place count 9606 transition count 24837
Performed 94 Post agglomeration using F-continuation condition.Transition count delta: -803
Deduced a syphon composed of 94 places in 5 ms
Reduce places removed 94 places and 0 transitions.
Iterating global reduction 11 with 188 rules applied. Total rules applied 71991 place count 9512 transition count 25640
Ensure Unique test removed 27 transitions
Reduce isomorphic transitions removed 27 transitions.
Iterating post reduction 11 with 27 rules applied. Total rules applied 72018 place count 9512 transition count 25613
Discarding 27 places :
Symmetric choice reduction at 12 with 27 rule applications. Total rules 72045 place count 9485 transition count 25073
Iterating global reduction 12 with 27 rules applied. Total rules applied 72072 place count 9485 transition count 25073
Ensure Unique test removed 27 transitions
Reduce isomorphic transitions removed 27 transitions.
Iterating post reduction 12 with 27 rules applied. Total rules applied 72099 place count 9485 transition count 25046
Performed 27 Post agglomeration using F-continuation condition.Transition count delta: -216
Deduced a syphon composed of 27 places in 4 ms
Reduce places removed 27 places and 0 transitions.
Iterating global reduction 13 with 54 rules applied. Total rules applied 72153 place count 9458 transition count 25262
Applied a total of 72153 rules in 43584 ms. Remains 9458 /47560 variables (removed 38102) and now considering 25262/76160 (removed 50898) transitions.
[2026-05-24 12:26:10] [INFO ] Flow matrix only has 25074 transitions (discarded 188 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-17210615448159866129.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-8795574543293286958.kers'
[2026-05-24 12:26:10] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-17210615448159866129.kers, --Pflows, --basisKERS=/tmp/petrispot-output-8795574543293286958.kers]
Normalized transition count is 25073 out of 25074 initially.
Culled 0 columns in 20 ms.
// Phase 1: matrix 25073 rows 9458 cols 127670 entries
Finished phase 1 with 6418 SingleSign rule and 0 generalized
[2026-05-24 12:26:10] [INFO ] Computed 3040 invariants in 134 ms
Computed 3040 P flows in 145 ms.
Exported basis to /tmp/petrispot-output-8795574543293286958.kers
Total runtime 169 ms.
[2026-05-24 12:26:18] [INFO ] Implicit Places using invariants in 7605 ms returned []
Implicit Place search using SMT only with invariants took 7606 ms to find 0 implicit places.
Running 25246 sub problems to find dead transitions.
[2026-05-24 12:26:18] [INFO ] Flow matrix only has 25074 transitions (discarded 188 similar events)
[2026-05-24 12:26:18] [INFO ] Invariant cache hit.
[2026-05-24 12:26:19] [INFO ] State equation strengthened by 4305 read => feed constraints.
Excessive predecessor constraint size, skipping predecessor.
Error getting values : (error "Timeout of Z3 solver reached")
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 9457/34532 variables, and 0 constraints, problems are : Problem set: 0 solved, 25246 unsolved in 30341 ms.
Refiners :[Positive P Invariants (semi-flows): 0/3040 constraints, State Equation: 0/9458 constraints, ReadFeed: 0/4305 constraints, PredecessorRefiner: 25246/15923 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 25246 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 9457/34532 variables, and 0 constraints, problems are : Problem set: 0 solved, 25246 unsolved in 30314 ms.
Refiners :[Positive P Invariants (semi-flows): 0/3040 constraints, State Equation: 0/9458 constraints, ReadFeed: 0/4305 constraints, PredecessorRefiner: 9323/15923 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 146402ms problems are : Problem set: 0 solved, 25246 unsolved
Search for dead transitions found 0 dead transitions in 146477ms
Starting structural reductions in SI_LTL mode, iteration 1 : 9458/47560 places, 25262/76160 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 197751 ms. Remains : 9458/47560 places, 25262/76160 transitions.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(G(F(p0)))'
Stuttering acceptance computed with spot in 177 ms :[(NOT p0), (NOT p0)]
Running random walk in product with property : DLCflexbar-PT-8b-LTLFireability-00
Stuttering criterion allowed to conclude after 1392 steps with 0 reset in 814 ms.
FORMULA DLCflexbar-PT-8b-LTLFireability-00 FALSE TECHNIQUES STUTTER_TEST
Treatment of property DLCflexbar-PT-8b-LTLFireability-00 finished in 198924 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(G((X((F(p0)&&(p1||X(p2))))||(F(p2)&&F(p3)))))'
Support contains 4 out of 47560 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 47560/47560 places, 76160/76160 transitions.
Applied a total of 0 rules in 10025 ms. Remains 47560 /47560 variables (removed 0) and now considering 76160/76160 (removed 0) transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-15672601032973341655.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-7926195558815614910.kers'
[2026-05-24 12:28:56] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-15672601032973341655.kers, --Pflows, --basisKERS=/tmp/petrispot-output-7926195558815614910.kers]
Culled 0 columns in 64 ms.
// Phase 1: matrix 76160 rows 47560 cols 216499 entries
Finished phase 1 with 44520 SingleSign rule and 0 generalized
[2026-05-24 12:29:41] [INFO ] Computed 3040 invariants in 45528 ms
Computed 3040 P flows in 45530 ms.
Exported basis to /tmp/petrispot-output-7926195558815614910.kers
Total runtime 45692 ms.
[2026-05-24 12:31:08] [INFO ] Performed 6592/47560 implicitness test of which 0 returned IMPLICIT in 30 seconds.
[2026-05-24 12:31:38] [INFO ] Performed 14668/47560 implicitness test of which 0 returned IMPLICIT in 60 seconds.
[2026-05-24 12:32:08] [INFO ] Performed 32926/47560 implicitness test of which 0 returned IMPLICIT in 90 seconds.
[2026-05-24 12:32:22] [INFO ] Implicit Places using invariants in 206217 ms returned []
Implicit Place search using SMT only with invariants took 206286 ms to find 0 implicit places.
Running 76159 sub problems to find dead transitions.
[2026-05-24 12:32:22] [INFO ] Invariant cache hit.
SMT process timed out in 652337ms, After SMT, problems are : Problem set: 0 solved, 76159 unsolved
Search for dead transitions found 0 dead transitions in 652677ms
Finished structural reductions in LTL mode , in 1 iterations and 869137 ms. Remains : 47560/47560 places, 76160/76160 transitions.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(G((X((F(p0)&&(p1||X(p2))))||(F(p2)&&F(p3)))))'
Stuttering acceptance computed with spot in 386 ms :[(OR (AND (NOT p0) (NOT p3)) (AND (NOT p0) (NOT p2)) (AND (NOT p1) (NOT p2))), (OR (AND (NOT p1) (NOT p2)) (AND (NOT p0) (NOT p2))), (OR (AND (NOT p1) (NOT p2) (NOT p3)) (AND (NOT p0) (NOT p3))), (AND (NOT p2) (NOT p0)), (NOT p2), (AND (NOT p3) (NOT p0)), (AND (NOT p3) (NOT p2)), (NOT p3)]
Running random walk in product with property : DLCflexbar-PT-8b-LTLFireability-01
Product exploration explored 100000 steps with 1 reset in 5583 ms.
Product exploration explored 100000 steps with 1 reset in 6544 ms.
Computed a total of 13150 stabilizing places and 13150 stable transitions
Computed a total of 13150 stabilizing places and 13150 stable transitions
Detected a total of 13150/47560 stabilizing places and 13150/76160 transitions leading to convergence knowledge of the form 'F(Gp|G!p)' for 1/4 atomic propositions.
Knowledge based reduction with 16 factoid took 174 ms. Reduced automaton from 8 states, 12 edges and 4 AP (stutter sensitive) to 8 states, 12 edges and 4 AP (stutter sensitive).
RANDOM walk for 40000 steps (8 resets) in 2361 ms. (16 steps per ms) remains 10/10 properties
BEST_FIRST walk for 40004 steps (8 resets) in 199 ms. (200 steps per ms) remains 10/10 properties
BEST_FIRST walk for 40004 steps (8 resets) in 154 ms. (258 steps per ms) remains 10/10 properties
BEST_FIRST walk for 40003 steps (8 resets) in 252 ms. (158 steps per ms) remains 10/10 properties
BEST_FIRST walk for 40004 steps (8 resets) in 220 ms. (181 steps per ms) remains 10/10 properties
BEST_FIRST walk for 40002 steps (8 resets) in 192 ms. (207 steps per ms) remains 10/10 properties
BEST_FIRST walk for 40004 steps (8 resets) in 233 ms. (170 steps per ms) remains 10/10 properties
BEST_FIRST walk for 40004 steps (8 resets) in 136 ms. (292 steps per ms) remains 10/10 properties
BEST_FIRST walk for 40004 steps (8 resets) in 133 ms. (298 steps per ms) remains 10/10 properties
BEST_FIRST walk for 40003 steps (8 resets) in 110 ms. (360 steps per ms) remains 10/10 properties
BEST_FIRST walk for 40004 steps (8 resets) in 108 ms. (367 steps per ms) remains 10/10 properties
Interrupted probabilistic random walk after 67784 steps, run timeout after 3003 ms. (steps per millisecond=22 ) properties seen :0 out of 10
Probabilistic random walk after 67784 steps, saw 67164 distinct states, run finished after 3003 ms. (steps per millisecond=22 ) properties seen :0
[2026-05-24 12:44:26] [INFO ] Invariant cache hit.
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/4 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/4 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 10 unsolved
SMT process timed out in 6193ms, After SMT, problems are : Problem set: 0 solved, 10 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 4 out of 47560 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 47560/47560 places, 76160/76160 transitions.
Graph (trivial) has 42546 edges and 47560 vertex of which 2800 / 47560 are part of one of the 180 SCC in 34 ms
Free SCC test removed 2620 places
Drop transitions (Empty/Sink Transition effects.) removed 2960 transitions
Reduce isomorphic transitions removed 2960 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 20705 transitions
Trivial Post-agglo rules discarded 20705 transitions
Performed 20705 trivial Post agglomeration. Transition count delta: 20705
Iterating post reduction 0 with 20705 rules applied. Total rules applied 20706 place count 44940 transition count 52495
Reduce places removed 20705 places and 0 transitions.
Ensure Unique test removed 450 transitions
Reduce isomorphic transitions removed 450 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 440 transitions
Trivial Post-agglo rules discarded 440 transitions
Performed 440 trivial Post agglomeration. Transition count delta: 440
Iterating post reduction 1 with 21595 rules applied. Total rules applied 42301 place count 24235 transition count 51605
Reduce places removed 440 places and 0 transitions.
Ensure Unique test removed 140 transitions
Reduce isomorphic transitions removed 140 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 140 transitions
Trivial Post-agglo rules discarded 140 transitions
Performed 140 trivial Post agglomeration. Transition count delta: 140
Iterating post reduction 2 with 720 rules applied. Total rules applied 43021 place count 23795 transition count 51325
Reduce places removed 140 places and 0 transitions.
Performed 3 Post agglomeration using F-continuation condition.Transition count delta: 3
Iterating post reduction 3 with 143 rules applied. Total rules applied 43164 place count 23655 transition count 51322
Reduce places removed 3 places and 0 transitions.
Iterating post reduction 4 with 3 rules applied. Total rules applied 43167 place count 23652 transition count 51322
Performed 140 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 5 with 140 Pre rules applied. Total rules applied 43167 place count 23652 transition count 51182
Deduced a syphon composed of 140 places in 4728 ms
Reduce places removed 140 places and 0 transitions.
Iterating global reduction 5 with 280 rules applied. Total rules applied 43447 place count 23512 transition count 51182
Performed 13134 Post agglomeration using F-continuation condition.Transition count delta: 13134
Deduced a syphon composed of 13134 places in 11 ms
Reduce places removed 13134 places and 0 transitions.
Iterating global reduction 5 with 26268 rules applied. Total rules applied 69715 place count 10378 transition count 38048
Renaming transitions due to excessive name length > 1024 char.
Discarding 349 places :
Symmetric choice reduction at 5 with 349 rule applications. Total rules 70064 place count 10029 transition count 24828
Iterating global reduction 5 with 349 rules applied. Total rules applied 70413 place count 10029 transition count 24828
Ensure Unique test removed 319 transitions
Reduce isomorphic transitions removed 319 transitions.
Iterating post reduction 5 with 319 rules applied. Total rules applied 70732 place count 10029 transition count 24509
Performed 101 Post agglomeration using F-continuation condition.Transition count delta: -909
Deduced a syphon composed of 101 places in 5 ms
Reduce places removed 101 places and 0 transitions.
Iterating global reduction 6 with 202 rules applied. Total rules applied 70934 place count 9928 transition count 25418
Ensure Unique test removed 50 transitions
Reduce isomorphic transitions removed 50 transitions.
Iterating post reduction 6 with 50 rules applied. Total rules applied 70984 place count 9928 transition count 25368
Discarding 50 places :
Symmetric choice reduction at 7 with 50 rule applications. Total rules 71034 place count 9878 transition count 24368
Iterating global reduction 7 with 50 rules applied. Total rules applied 71084 place count 9878 transition count 24368
Ensure Unique test removed 50 transitions
Reduce isomorphic transitions removed 50 transitions.
Iterating post reduction 7 with 50 rules applied. Total rules applied 71134 place count 9878 transition count 24318
Performed 101 Post agglomeration using F-continuation condition.Transition count delta: -859
Deduced a syphon composed of 101 places in 5 ms
Reduce places removed 101 places and 0 transitions.
Iterating global reduction 8 with 202 rules applied. Total rules applied 71336 place count 9777 transition count 25177
Ensure Unique test removed 25 transitions
Reduce isomorphic transitions removed 25 transitions.
Iterating post reduction 8 with 25 rules applied. Total rules applied 71361 place count 9777 transition count 25152
Discarding 25 places :
Symmetric choice reduction at 9 with 25 rule applications. Total rules 71386 place count 9752 transition count 24652
Iterating global reduction 9 with 25 rules applied. Total rules applied 71411 place count 9752 transition count 24652
Ensure Unique test removed 25 transitions
Reduce isomorphic transitions removed 25 transitions.
Iterating post reduction 9 with 25 rules applied. Total rules applied 71436 place count 9752 transition count 24627
Performed 101 Post agglomeration using F-continuation condition.Transition count delta: -884
Deduced a syphon composed of 101 places in 5 ms
Reduce places removed 101 places and 0 transitions.
Iterating global reduction 10 with 202 rules applied. Total rules applied 71638 place count 9651 transition count 25511
Ensure Unique test removed 38 transitions
Reduce isomorphic transitions removed 38 transitions.
Iterating post reduction 10 with 38 rules applied. Total rules applied 71676 place count 9651 transition count 25473
Discarding 38 places :
Symmetric choice reduction at 11 with 38 rule applications. Total rules 71714 place count 9613 transition count 24713
Iterating global reduction 11 with 38 rules applied. Total rules applied 71752 place count 9613 transition count 24713
Ensure Unique test removed 38 transitions
Reduce isomorphic transitions removed 38 transitions.
Iterating post reduction 11 with 38 rules applied. Total rules applied 71790 place count 9613 transition count 24675
Performed 99 Post agglomeration using F-continuation condition.Transition count delta: -839
Deduced a syphon composed of 99 places in 5 ms
Reduce places removed 99 places and 0 transitions.
Iterating global reduction 12 with 198 rules applied. Total rules applied 71988 place count 9514 transition count 25514
Drop transitions (Empty/Sink Transition effects.) removed 15 transitions
Ensure Unique test removed 26 transitions
Reduce isomorphic transitions removed 41 transitions.
Iterating post reduction 12 with 41 rules applied. Total rules applied 72029 place count 9514 transition count 25473
Discarding 26 places :
Symmetric choice reduction at 13 with 26 rule applications. Total rules 72055 place count 9488 transition count 24953
Iterating global reduction 13 with 26 rules applied. Total rules applied 72081 place count 9488 transition count 24953
Ensure Unique test removed 26 transitions
Reduce isomorphic transitions removed 26 transitions.
Iterating post reduction 13 with 26 rules applied. Total rules applied 72107 place count 9488 transition count 24927
Performed 26 Post agglomeration using F-continuation condition.Transition count delta: -208
Deduced a syphon composed of 26 places in 5 ms
Reduce places removed 26 places and 0 transitions.
Iterating global reduction 14 with 52 rules applied. Total rules applied 72159 place count 9462 transition count 25135
Free-agglomeration rule applied 6203 times with reduction of 4268 identical transitions.
Iterating global reduction 14 with 6203 rules applied. Total rules applied 78362 place count 9462 transition count 14664
Reduce places removed 6203 places and 0 transitions.
Drop transitions (Empty/Sink Transition effects.) removed 7185 transitions
Ensure Unique test removed 12 transitions
Reduce isomorphic transitions removed 7197 transitions.
Graph (complete) has 10806 edges and 3259 vertex of which 76 are kept as prefixes of interest. Removing 3183 places using SCC suffix rule.7 ms
Discarding 3183 places :
Also discarding 7252 output transitions
Drop transitions (Output transitions of discarded places.) removed 7252 transitions
Iterating post reduction 14 with 13401 rules applied. Total rules applied 91763 place count 76 transition count 215
Drop transitions (Empty/Sink Transition effects.) removed 90 transitions
Ensure Unique test removed 31 transitions
Reduce isomorphic transitions removed 121 transitions.
Iterating post reduction 15 with 121 rules applied. Total rules applied 91884 place count 76 transition count 94
Discarding 53 places :
Symmetric choice reduction at 16 with 53 rule applications. Total rules 91937 place count 23 transition count 23
Iterating global reduction 16 with 53 rules applied. Total rules applied 91990 place count 23 transition count 23
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 16 with 2 rules applied. Total rules applied 91992 place count 22 transition count 22
Drop transitions (Empty/Sink Transition effects.) removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 16 with 1 rules applied. Total rules applied 91993 place count 22 transition count 21
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 17 with 1 rules applied. Total rules applied 91994 place count 21 transition count 20
Applied a total of 91994 rules in 46151 ms. Remains 21 /47560 variables (removed 47539) and now considering 20/76160 (removed 76140) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 46151 ms. Remains : 21/47560 places, 20/76160 transitions.
RANDOM walk for 141 steps (0 resets) in 4 ms. (28 steps per ms) remains 0/10 properties
Knowledge based reduction with 16 factoid took 347 ms. Reduced automaton from 8 states, 12 edges and 4 AP (stutter sensitive) to 8 states, 12 edges and 4 AP (stutter sensitive).
Stuttering acceptance computed with spot in 371 ms :[(OR (AND (NOT p0) (NOT p3)) (AND (NOT p0) (NOT p2)) (AND (NOT p1) (NOT p2))), (OR (AND (NOT p1) (NOT p2)) (AND (NOT p0) (NOT p2))), (OR (AND (NOT p1) (NOT p2) (NOT p3)) (AND (NOT p0) (NOT p3))), (AND (NOT p2) (NOT p0)), (NOT p2), (AND (NOT p3) (NOT p0)), (AND (NOT p3) (NOT p2)), (NOT p3)]
[2026-05-24 12:45:20] [INFO ] Invariant cache hit.
Could not prove EG (AND (NOT p0) (NOT p3))
[2026-05-24 12:45:35] [INFO ] Invariant cache hit.
Could not prove EG (AND (NOT p0) (NOT p2))
[2026-05-24 12:45:50] [INFO ] Invariant cache hit.
Could not prove EG (AND (NOT p1) (NOT p2))
Knowledge-based reduction took 150782 ms.
Stuttering acceptance computed with spot in 364 ms :[(OR (AND (NOT p0) (NOT p3)) (AND (NOT p0) (NOT p2)) (AND (NOT p1) (NOT p2))), (OR (AND (NOT p1) (NOT p2)) (AND (NOT p0) (NOT p2))), (OR (AND (NOT p1) (NOT p2) (NOT p3)) (AND (NOT p0) (NOT p3))), (AND (NOT p2) (NOT p0)), (NOT p2), (AND (NOT p3) (NOT p0)), (AND (NOT p3) (NOT p2)), (NOT p3)]
Support contains 4 out of 47560 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 47560/47560 places, 76160/76160 transitions.
Applied a total of 0 rules in 9236 ms. Remains 47560 /47560 variables (removed 0) and now considering 76160/76160 (removed 0) transitions.
[2026-05-24 12:46:15] [INFO ] Invariant cache hit.
[2026-05-24 12:47:40] [INFO ] Performed 6601/47560 implicitness test of which 0 returned IMPLICIT in 30 seconds.
[2026-05-24 12:48:10] [INFO ] Performed 14694/47560 implicitness test of which 0 returned IMPLICIT in 60 seconds.
[2026-05-24 12:48:40] [INFO ] Performed 34123/47560 implicitness test of which 0 returned IMPLICIT in 90 seconds.
[2026-05-24 12:48:55] [INFO ] Implicit Places using invariants in 160039 ms returned []
Implicit Place search using SMT only with invariants took 160114 ms to find 0 implicit places.
Skipped dead transition search.
Finished structural reductions in LTL mode , in 1 iterations and 169360 ms. Remains : 47560/47560 places, 76160/76160 transitions.
Computed a total of 13150 stabilizing places and 13150 stable transitions
Computed a total of 13150 stabilizing places and 13150 stable transitions
Detected a total of 13150/47560 stabilizing places and 13150/76160 transitions leading to convergence knowledge of the form 'F(Gp|G!p)' for 1/4 atomic propositions.
Knowledge based reduction with 16 factoid took 173 ms. Reduced automaton from 8 states, 12 edges and 4 AP (stutter sensitive) to 8 states, 12 edges and 4 AP (stutter sensitive).
RANDOM walk for 40000 steps (8 resets) in 2275 ms. (17 steps per ms) remains 10/10 properties
BEST_FIRST walk for 40004 steps (8 resets) in 155 ms. (256 steps per ms) remains 10/10 properties
BEST_FIRST walk for 40004 steps (8 resets) in 103 ms. (384 steps per ms) remains 10/10 properties
BEST_FIRST walk for 40004 steps (8 resets) in 127 ms. (312 steps per ms) remains 10/10 properties
BEST_FIRST walk for 40003 steps (8 resets) in 124 ms. (320 steps per ms) remains 10/10 properties
BEST_FIRST walk for 40004 steps (8 resets) in 122 ms. (325 steps per ms) remains 10/10 properties
BEST_FIRST walk for 40004 steps (8 resets) in 121 ms. (327 steps per ms) remains 10/10 properties
BEST_FIRST walk for 40004 steps (8 resets) in 119 ms. (333 steps per ms) remains 10/10 properties
BEST_FIRST walk for 40004 steps (8 resets) in 123 ms. (322 steps per ms) remains 10/10 properties
BEST_FIRST walk for 40004 steps (8 resets) in 120 ms. (330 steps per ms) remains 10/10 properties
BEST_FIRST walk for 40004 steps (8 resets) in 208 ms. (191 steps per ms) remains 10/10 properties
Interrupted probabilistic random walk after 77367 steps, run timeout after 3002 ms. (steps per millisecond=25 ) properties seen :0 out of 10
Probabilistic random walk after 77367 steps, saw 76668 distinct states, run finished after 3002 ms. (steps per millisecond=25 ) properties seen :0
[2026-05-24 12:49:46] [INFO ] Invariant cache hit.
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/4 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/4 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 10 unsolved
SMT process timed out in 5842ms, After SMT, problems are : Problem set: 0 solved, 10 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 4 out of 47560 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 47560/47560 places, 76160/76160 transitions.
Graph (trivial) has 42546 edges and 47560 vertex of which 2800 / 47560 are part of one of the 180 SCC in 23 ms
Free SCC test removed 2620 places
Drop transitions (Empty/Sink Transition effects.) removed 2960 transitions
Reduce isomorphic transitions removed 2960 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 20705 transitions
Trivial Post-agglo rules discarded 20705 transitions
Performed 20705 trivial Post agglomeration. Transition count delta: 20705
Iterating post reduction 0 with 20705 rules applied. Total rules applied 20706 place count 44940 transition count 52495
Reduce places removed 20705 places and 0 transitions.
Ensure Unique test removed 450 transitions
Reduce isomorphic transitions removed 450 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 440 transitions
Trivial Post-agglo rules discarded 440 transitions
Performed 440 trivial Post agglomeration. Transition count delta: 440
Iterating post reduction 1 with 21595 rules applied. Total rules applied 42301 place count 24235 transition count 51605
Reduce places removed 440 places and 0 transitions.
Ensure Unique test removed 140 transitions
Reduce isomorphic transitions removed 140 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 140 transitions
Trivial Post-agglo rules discarded 140 transitions
Performed 140 trivial Post agglomeration. Transition count delta: 140
Iterating post reduction 2 with 720 rules applied. Total rules applied 43021 place count 23795 transition count 51325
Reduce places removed 140 places and 0 transitions.
Performed 3 Post agglomeration using F-continuation condition.Transition count delta: 3
Iterating post reduction 3 with 143 rules applied. Total rules applied 43164 place count 23655 transition count 51322
Reduce places removed 3 places and 0 transitions.
Iterating post reduction 4 with 3 rules applied. Total rules applied 43167 place count 23652 transition count 51322
Performed 140 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 5 with 140 Pre rules applied. Total rules applied 43167 place count 23652 transition count 51182
Deduced a syphon composed of 140 places in 3997 ms
Reduce places removed 140 places and 0 transitions.
Iterating global reduction 5 with 280 rules applied. Total rules applied 43447 place count 23512 transition count 51182
Performed 13134 Post agglomeration using F-continuation condition.Transition count delta: 13134
Deduced a syphon composed of 13134 places in 10 ms
Reduce places removed 13134 places and 0 transitions.
Iterating global reduction 5 with 26268 rules applied. Total rules applied 69715 place count 10378 transition count 38048
Renaming transitions due to excessive name length > 1024 char.
Discarding 349 places :
Symmetric choice reduction at 5 with 349 rule applications. Total rules 70064 place count 10029 transition count 24828
Iterating global reduction 5 with 349 rules applied. Total rules applied 70413 place count 10029 transition count 24828
Ensure Unique test removed 319 transitions
Reduce isomorphic transitions removed 319 transitions.
Iterating post reduction 5 with 319 rules applied. Total rules applied 70732 place count 10029 transition count 24509
Performed 101 Post agglomeration using F-continuation condition.Transition count delta: -909
Deduced a syphon composed of 101 places in 4 ms
Reduce places removed 101 places and 0 transitions.
Iterating global reduction 6 with 202 rules applied. Total rules applied 70934 place count 9928 transition count 25418
Ensure Unique test removed 50 transitions
Reduce isomorphic transitions removed 50 transitions.
Iterating post reduction 6 with 50 rules applied. Total rules applied 70984 place count 9928 transition count 25368
Discarding 50 places :
Symmetric choice reduction at 7 with 50 rule applications. Total rules 71034 place count 9878 transition count 24368
Iterating global reduction 7 with 50 rules applied. Total rules applied 71084 place count 9878 transition count 24368
Ensure Unique test removed 50 transitions
Reduce isomorphic transitions removed 50 transitions.
Iterating post reduction 7 with 50 rules applied. Total rules applied 71134 place count 9878 transition count 24318
Performed 101 Post agglomeration using F-continuation condition.Transition count delta: -859
Deduced a syphon composed of 101 places in 4 ms
Reduce places removed 101 places and 0 transitions.
Iterating global reduction 8 with 202 rules applied. Total rules applied 71336 place count 9777 transition count 25177
Ensure Unique test removed 25 transitions
Reduce isomorphic transitions removed 25 transitions.
Iterating post reduction 8 with 25 rules applied. Total rules applied 71361 place count 9777 transition count 25152
Discarding 25 places :
Symmetric choice reduction at 9 with 25 rule applications. Total rules 71386 place count 9752 transition count 24652
Iterating global reduction 9 with 25 rules applied. Total rules applied 71411 place count 9752 transition count 24652
Ensure Unique test removed 25 transitions
Reduce isomorphic transitions removed 25 transitions.
Iterating post reduction 9 with 25 rules applied. Total rules applied 71436 place count 9752 transition count 24627
Performed 101 Post agglomeration using F-continuation condition.Transition count delta: -884
Deduced a syphon composed of 101 places in 4 ms
Reduce places removed 101 places and 0 transitions.
Iterating global reduction 10 with 202 rules applied. Total rules applied 71638 place count 9651 transition count 25511
Ensure Unique test removed 38 transitions
Reduce isomorphic transitions removed 38 transitions.
Iterating post reduction 10 with 38 rules applied. Total rules applied 71676 place count 9651 transition count 25473
Discarding 38 places :
Symmetric choice reduction at 11 with 38 rule applications. Total rules 71714 place count 9613 transition count 24713
Iterating global reduction 11 with 38 rules applied. Total rules applied 71752 place count 9613 transition count 24713
Ensure Unique test removed 38 transitions
Reduce isomorphic transitions removed 38 transitions.
Iterating post reduction 11 with 38 rules applied. Total rules applied 71790 place count 9613 transition count 24675
Performed 99 Post agglomeration using F-continuation condition.Transition count delta: -839
Deduced a syphon composed of 99 places in 4 ms
Reduce places removed 99 places and 0 transitions.
Iterating global reduction 12 with 198 rules applied. Total rules applied 71988 place count 9514 transition count 25514
Drop transitions (Empty/Sink Transition effects.) removed 15 transitions
Ensure Unique test removed 26 transitions
Reduce isomorphic transitions removed 41 transitions.
Iterating post reduction 12 with 41 rules applied. Total rules applied 72029 place count 9514 transition count 25473
Discarding 26 places :
Symmetric choice reduction at 13 with 26 rule applications. Total rules 72055 place count 9488 transition count 24953
Iterating global reduction 13 with 26 rules applied. Total rules applied 72081 place count 9488 transition count 24953
Ensure Unique test removed 26 transitions
Reduce isomorphic transitions removed 26 transitions.
Iterating post reduction 13 with 26 rules applied. Total rules applied 72107 place count 9488 transition count 24927
Performed 26 Post agglomeration using F-continuation condition.Transition count delta: -208
Deduced a syphon composed of 26 places in 4 ms
Reduce places removed 26 places and 0 transitions.
Iterating global reduction 14 with 52 rules applied. Total rules applied 72159 place count 9462 transition count 25135
Free-agglomeration rule applied 6203 times with reduction of 4268 identical transitions.
Iterating global reduction 14 with 6203 rules applied. Total rules applied 78362 place count 9462 transition count 14664
Reduce places removed 6203 places and 0 transitions.
Drop transitions (Empty/Sink Transition effects.) removed 7185 transitions
Ensure Unique test removed 12 transitions
Reduce isomorphic transitions removed 7197 transitions.
Graph (complete) has 10806 edges and 3259 vertex of which 76 are kept as prefixes of interest. Removing 3183 places using SCC suffix rule.5 ms
Discarding 3183 places :
Also discarding 7252 output transitions
Drop transitions (Output transitions of discarded places.) removed 7252 transitions
Iterating post reduction 14 with 13401 rules applied. Total rules applied 91763 place count 76 transition count 215
Drop transitions (Empty/Sink Transition effects.) removed 90 transitions
Ensure Unique test removed 31 transitions
Reduce isomorphic transitions removed 121 transitions.
Iterating post reduction 15 with 121 rules applied. Total rules applied 91884 place count 76 transition count 94
Discarding 53 places :
Symmetric choice reduction at 16 with 53 rule applications. Total rules 91937 place count 23 transition count 23
Iterating global reduction 16 with 53 rules applied. Total rules applied 91990 place count 23 transition count 23
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 16 with 2 rules applied. Total rules applied 91992 place count 22 transition count 22
Drop transitions (Empty/Sink Transition effects.) removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 16 with 1 rules applied. Total rules applied 91993 place count 22 transition count 21
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 17 with 1 rules applied. Total rules applied 91994 place count 21 transition count 20
Applied a total of 91994 rules in 37602 ms. Remains 21 /47560 variables (removed 47539) and now considering 20/76160 (removed 76140) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 37602 ms. Remains : 21/47560 places, 20/76160 transitions.
RANDOM walk for 70 steps (0 resets) in 5 ms. (11 steps per ms) remains 0/10 properties
Knowledge based reduction with 16 factoid took 411 ms. Reduced automaton from 8 states, 12 edges and 4 AP (stutter sensitive) to 8 states, 12 edges and 4 AP (stutter sensitive).
Stuttering acceptance computed with spot in 384 ms :[(OR (AND (NOT p0) (NOT p3)) (AND (NOT p0) (NOT p2)) (AND (NOT p1) (NOT p2))), (OR (AND (NOT p1) (NOT p2)) (AND (NOT p0) (NOT p2))), (OR (AND (NOT p1) (NOT p2) (NOT p3)) (AND (NOT p0) (NOT p3))), (AND (NOT p2) (NOT p0)), (NOT p2), (AND (NOT p3) (NOT p0)), (AND (NOT p3) (NOT p2)), (NOT p3)]
[2026-05-24 12:50:30] [INFO ] Invariant cache hit.
Could not prove EG (AND (NOT p0) (NOT p3))
[2026-05-24 12:50:45] [INFO ] Invariant cache hit.
Could not prove EG (AND (NOT p0) (NOT p2))
[2026-05-24 12:51:01] [INFO ] Invariant cache hit.
Could not prove EG (AND (NOT p1) (NOT p2))
Knowledge-based reduction took 135462 ms.
Stuttering acceptance computed with spot in 319 ms :[(OR (AND (NOT p0) (NOT p3)) (AND (NOT p0) (NOT p2)) (AND (NOT p1) (NOT p2))), (OR (AND (NOT p1) (NOT p2)) (AND (NOT p0) (NOT p2))), (OR (AND (NOT p1) (NOT p2) (NOT p3)) (AND (NOT p0) (NOT p3))), (AND (NOT p2) (NOT p0)), (NOT p2), (AND (NOT p3) (NOT p0)), (AND (NOT p3) (NOT p2)), (NOT p3)]
Stuttering acceptance computed with spot in 326 ms :[(OR (AND (NOT p0) (NOT p3)) (AND (NOT p0) (NOT p2)) (AND (NOT p1) (NOT p2))), (OR (AND (NOT p1) (NOT p2)) (AND (NOT p0) (NOT p2))), (OR (AND (NOT p1) (NOT p2) (NOT p3)) (AND (NOT p0) (NOT p3))), (AND (NOT p2) (NOT p0)), (NOT p2), (AND (NOT p3) (NOT p0)), (AND (NOT p3) (NOT p2)), (NOT p3)]
Product exploration explored 100000 steps with 3 reset in 3440 ms.
Product exploration explored 100000 steps with 3 reset in 3740 ms.
Spot run failed in 85 ms. Status :1
Traceback (most recent call last):
File "/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/autstates.py", line 2, in
import spot
ModuleNotFoundError: No module named 'spot'
java.io.IOException
at fr.lip6.move.gal.application.runner.spot.SpotRunner.computeForwardClosedSI(SpotRunner.java:551)
at fr.lip6.move.gal.application.solver.ltl.LTLPropertySolver.treatPartialPOR(LTLPropertySolver.java:419)
at fr.lip6.move.gal.application.solver.ltl.LTLPropertySolver.checkLTLProperty(LTLPropertySolver.java:280)
at fr.lip6.move.gal.application.solver.ltl.LTLPropertySolver.runStutteringLTLTest(LTLPropertySolver.java:217)
at fr.lip6.move.gal.application.solver.ltl.LTLPropertySolver.runStructuralLTLCheck(LTLPropertySolver.java:66)
at fr.lip6.move.gal.application.Application.startNoEx(Application.java:849)
at fr.lip6.move.gal.application.Application.start(Application.java:195)
at fr.lip6.move.gal.itscl.application.Application.start(Application.java:44)
at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:219)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:149)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:115)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:467)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:298)
at java.base/jdk.internal.reflect.DirectMethodHandleAccessor.invoke(DirectMethodHandleAccessor.java:103)
at java.base/java.lang.reflect.Method.invoke(Method.java:580)
at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:615)
at org.eclipse.equinox.launcher.Main.basicRun(Main.java:563)
at org.eclipse.equinox.launcher.Main.run(Main.java:1415)
at org.eclipse.equinox.launcher.Main.main(Main.java:1387)
Built C files in :
/tmp/ltsmin14799732985394507786
[2026-05-24 12:51:24] [INFO ] Built C files in 690ms conformant to PINS (ltsmin variant)in folder :/tmp/ltsmin14799732985394507786
Running compilation step : cd /tmp/ltsmin14799732985394507786;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202604301425/bin/limit_time.pl' '3' 'gcc' '-c' '-I/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202604301425/bin/include/' '-I.' '-std=c99' '-fPIC' '-O0' 'model.c'
WARNING : LTS min runner thread failed on error :java.lang.RuntimeException: Compilation or link of executable timed out.java.util.concurrent.TimeoutException: Subprocess running cd /tmp/ltsmin14799732985394507786;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202604301425/bin/limit_time.pl' '3' 'gcc' '-c' '-I/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202604301425/bin/include/' '-I.' '-std=c99' '-fPIC' '-O0' 'model.c' killed by timeout after 3 SECONDS
java.lang.RuntimeException: Compilation or link of executable timed out.java.util.concurrent.TimeoutException: Subprocess running cd /tmp/ltsmin14799732985394507786;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202604301425/bin/limit_time.pl' '3' 'gcc' '-c' '-I/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202604301425/bin/include/' '-I.' '-std=c99' '-fPIC' '-O0' 'model.c' killed by timeout after 3 SECONDS
at fr.lip6.move.gal.application.runner.ltsmin.LTSminRunner$1.run(LTSminRunner.java:94)
at java.base/java.lang.Thread.run(Thread.java:1583)
Support contains 4 out of 47560 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 47560/47560 places, 76160/76160 transitions.
Applied a total of 0 rules in 8548 ms. Remains 47560 /47560 variables (removed 0) and now considering 76160/76160 (removed 0) transitions.
[2026-05-24 12:51:36] [INFO ] Invariant cache hit.
[2026-05-24 12:52:59] [INFO ] Performed 6870/47560 implicitness test of which 0 returned IMPLICIT in 30 seconds.
[2026-05-24 12:53:29] [INFO ] Performed 14713/47560 implicitness test of which 0 returned IMPLICIT in 60 seconds.
[2026-05-24 12:53:59] [INFO ] Performed 34853/47560 implicitness test of which 0 returned IMPLICIT in 90 seconds.
[2026-05-24 12:54:16] [INFO ] Implicit Places using invariants in 160105 ms returned []
Implicit Place search using SMT only with invariants took 160106 ms to find 0 implicit places.
Skipped dead transition search.
Finished structural reductions in LTL mode , in 1 iterations and 168661 ms. Remains : 47560/47560 places, 76160/76160 transitions.
Built C files in :
/tmp/ltsmin6038927186712275021
[2026-05-24 12:54:22] [INFO ] Built C files in 540ms conformant to PINS (ltsmin variant)in folder :/tmp/ltsmin6038927186712275021
Running compilation step : cd /tmp/ltsmin6038927186712275021;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202604301425/bin/limit_time.pl' '3' 'gcc' '-c' '-I/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202604301425/bin/include/' '-I.' '-std=c99' '-fPIC' '-O0' 'model.c'
WARNING : LTS min runner thread failed on error :java.lang.RuntimeException: Compilation or link of executable timed out.java.util.concurrent.TimeoutException: Subprocess running cd /tmp/ltsmin6038927186712275021;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202604301425/bin/limit_time.pl' '3' 'gcc' '-c' '-I/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202604301425/bin/include/' '-I.' '-std=c99' '-fPIC' '-O0' 'model.c' killed by timeout after 3 SECONDS
java.lang.RuntimeException: Compilation or link of executable timed out.java.util.concurrent.TimeoutException: Subprocess running cd /tmp/ltsmin6038927186712275021;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202604301425/bin/limit_time.pl' '3' 'gcc' '-c' '-I/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202604301425/bin/include/' '-I.' '-std=c99' '-fPIC' '-O0' 'model.c' killed by timeout after 3 SECONDS
at fr.lip6.move.gal.application.runner.ltsmin.LTSminRunner$1.run(LTSminRunner.java:94)
at java.base/java.lang.Thread.run(Thread.java:1583)
[2026-05-24 12:54:28] [INFO ] Flatten gal took : 1576 ms
[2026-05-24 12:54:29] [INFO ] Flatten gal took : 948 ms
[2026-05-24 12:54:29] [INFO ] Time to serialize gal into /tmp/LTL18111694581983743352.gal : 370 ms
[2026-05-24 12:54:29] [INFO ] Time to serialize properties into /tmp/LTL13027644894132184409.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-ltl-linux64' '--gc-threshold' '2000000' '-i' '/tmp/LTL18111694581983743352.gal' '-t' 'CGAL' '-hoa' '/tmp/aut10932231051724933211.hoa' '-atoms' '/tmp/LTL13027644894132184409.prop' '-c' '-stutter-deadlock' '--gen-order' 'FOLLOW'

its-ltl command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202604301425/bin/its-ltl-linux64 --gc-threshold 2000000 -i /tmp/L...320
Detected timeout of ITS tools.
[2026-05-24 12:54:59] [INFO ] Flatten gal took : 1056 ms
[2026-05-24 12:55:00] [INFO ] Flatten gal took : 1041 ms
[2026-05-24 12:55:00] [INFO ] Time to serialize gal into /tmp/LTL10800884055090880761.gal : 248 ms
[2026-05-24 12:55:00] [INFO ] Time to serialize properties into /tmp/LTL6576821578127977512.ltl : 2 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-ltl-linux64' '--gc-threshold' '2000000' '-i' '/tmp/LTL10800884055090880761.gal' '-t' 'CGAL' '-LTL' '/tmp/LTL6576821578127977512.ltl' '-c' '-stutter-deadlock' '--gen-order' 'FOLLOW'

its-ltl command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202604301425/bin/its-ltl-linux64 --gc-threshold 2000000 -i /tmp/L...276
Read 1 LTL properties
Detected timeout of ITS tools.
[2026-05-24 12:55:16] [INFO ] Flatten gal took : 1024 ms
[2026-05-24 12:55:16] [INFO ] Applying decomposition
[2026-05-24 12:55:17] [INFO ] Flatten gal took : 1026 ms
Converted graph to binary with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202604301425/bin/convert-linux64' '-i' '/tmp/graph12462232991276179350.txt' '-o' '/tmp/graph12462232991276179350.bin' '-w' '/tmp/graph12462232991276179350.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202604301425/bin/louvain-linux64' '/tmp/graph12462232991276179350.bin' '-l' '-1' '-v' '-w' '/tmp/graph12462232991276179350.weights' '-q' '0' '-e' '0.001'
[2026-05-24 12:55:21] [INFO ] Decomposing Gal with order
[2026-05-24 12:55:42] [INFO ] Rewriting arrays to variables to allow decomposition.

BK_TIME_CONFINEMENT_REACHED

--------------------
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
+ [[ LTLFireability = StateSpace ]]
+ /home/mcc/BenchKit/bin//../itstools/bin//..//runeclipse.sh /home/mcc/execution LTLFireability -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 LTLFireability -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="LTLFireability"
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 LTLFireability"
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-177955695600500"
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 [ "LTLFireability" = "ReachabilityDeadlock" ] || [ "LTLFireability" = "UpperBounds" ] || [ "LTLFireability" = "QuasiLiveness" ] || [ "LTLFireability" = "StableMarking" ] || [ "LTLFireability" = "Liveness" ] || [ "LTLFireability" = "OneSafe" ] || [ "LTLFireability" = "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 [ "LTLFireability" = "UpperBounds" ] ; then
echo "The expected result is a vector of positive values"
echo NUM_VECTOR
elif [ "LTLFireability" != "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 "LTLFireability.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 '' LTLFireability.xml | cut -d '>' -f 2 | cut -d '<' -f 1 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ "LTLFireability" = "ReachabilityDeadlock" ] || [ "LTLFireability" = "QuasiLiveness" ] || [ "LTLFireability" = "StableMarking" ] || [ "LTLFireability" = "Liveness" ] || [ "LTLFireability" = "OneSafe" ] ; then
echo "FORMULA_NAME LTLFireability"
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 ;