Execution Chart

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

Trace from the execution

Formatting '/data/sdalzilio/mcc2026-input.r002-oct2-177944365900108.qcow2', fmt=qcow2 cluster_size=65536 extended_l2=off compression_type=zlib size=4294967296 backing_file=/data/sdalzilio/mcc2026-input.qcow2 backing_fmt=qcow2 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 itstools
Input is AirplaneLD-PT-0200, examination is LTLFireability
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r002-oct2-177944365900108
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 4.6M
-rw-r--r-- 1 mcc users 118K Mar 4 16:46 CTLCardinality.txt
-rw-r--r-- 1 mcc users 457K Mar 4 16:46 CTLCardinality.xml
-rw-r--r-- 1 mcc users 91K Mar 4 16:46 CTLFireability.txt
-rw-r--r-- 1 mcc users 546K Mar 4 16:46 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K Mar 3 18:30 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 6.5K Mar 3 18:30 GenericPropertiesVerdict.xml
-rw-r--r-- 1 mcc users 48K Mar 15 07:00 LTLCardinality.txt
-rw-r--r-- 1 mcc users 130K Mar 15 07:00 LTLCardinality.xml
-rw-r--r-- 1 mcc users 52K Mar 15 07:00 LTLFireability.txt
-rw-r--r-- 1 mcc users 230K Mar 15 07:00 LTLFireability.xml
-rw-r--r-- 1 mcc users 199K Mar 4 16:47 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 720K Mar 4 16:47 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 166K Mar 4 16:47 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 979K Mar 4 16:47 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 12K Mar 15 07:00 UpperBounds.txt
-rw-r--r-- 1 mcc users 23K Mar 15 07:00 UpperBounds.xml
-rw-r--r-- 1 mcc users 5 Mar 3 18:30 equiv_col
-rw-r--r-- 1 mcc users 5 Mar 3 18:30 instance
-rw-r--r-- 1 mcc users 6 Mar 3 18:30 iscolored
-rw-r--r-- 1 mcc users 872K 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 AirplaneLD-PT-0200-LTLFireability-00
FORMULA_NAME AirplaneLD-PT-0200-LTLFireability-01
FORMULA_NAME AirplaneLD-PT-0200-LTLFireability-02
FORMULA_NAME AirplaneLD-PT-0200-LTLFireability-03
FORMULA_NAME AirplaneLD-PT-0200-LTLFireability-04
FORMULA_NAME AirplaneLD-PT-0200-LTLFireability-05
FORMULA_NAME AirplaneLD-PT-0200-LTLFireability-06
FORMULA_NAME AirplaneLD-PT-0200-LTLFireability-07
FORMULA_NAME AirplaneLD-PT-0200-LTLFireability-08
FORMULA_NAME AirplaneLD-PT-0200-LTLFireability-09
FORMULA_NAME AirplaneLD-PT-0200-LTLFireability-10
FORMULA_NAME AirplaneLD-PT-0200-LTLFireability-11
FORMULA_NAME AirplaneLD-PT-0200-LTLFireability-12
FORMULA_NAME AirplaneLD-PT-0200-LTLFireability-13
FORMULA_NAME AirplaneLD-PT-0200-LTLFireability-14
FORMULA_NAME AirplaneLD-PT-0200-LTLFireability-15

=== Now, execution of the tool begins

BK_START 1779461648856

Invoking MCC driver with
BK_TOOL=itstools
BK_EXAMINATION=LTLFireability
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=AirplaneLD-PT-0200
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
LTLFireability PT
Running Version 202604301425
[2026-05-22 14:54:10] [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]
[2026-05-22 14:54:10] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-05-22 14:54:10] [INFO ] Load time of PNML (sax parser for PT used): 273 ms
[2026-05-22 14:54:10] [INFO ] Transformed 1419 places.
[2026-05-22 14:54:11] [INFO ] Transformed 1608 transitions.
[2026-05-22 14:54:11] [INFO ] Found NUPN structural information;
[2026-05-22 14:54:11] [INFO ] Parsed PT model containing 1419 places and 1608 transitions and 6128 arcs in 495 ms.
Parsed 16 properties from file /home/mcc/execution/LTLFireability.xml in 23 ms.
Working with output stream class java.io.PrintStream
Initial state reduction rules removed 2 formulas.
Reduce places removed 602 places and 0 transitions.
FORMULA AirplaneLD-PT-0200-LTLFireability-07 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA AirplaneLD-PT-0200-LTLFireability-12 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Support contains 512 out of 817 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 817/817 places, 1608/1608 transitions.
Reduce places removed 3 places and 0 transitions.
Iterating post reduction 0 with 3 rules applied. Total rules applied 3 place count 814 transition count 1608
Discarding 298 places :
Symmetric choice reduction at 1 with 298 rule applications. Total rules 301 place count 516 transition count 1310
Iterating global reduction 1 with 298 rules applied. Total rules applied 599 place count 516 transition count 1310
Ensure Unique test removed 298 transitions
Reduce isomorphic transitions removed 298 transitions.
Iterating post reduction 1 with 298 rules applied. Total rules applied 897 place count 516 transition count 1012
Applied a total of 897 rules in 47 ms. Remains 516 /817 variables (removed 301) and now considering 1012/1608 (removed 596) transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-13593062442734772740.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-7921293101995109415.kers'
[2026-05-22 14:54:11] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-13593062442734772740.kers, --Pflows, --basisKERS=/tmp/petrispot-output-7921293101995109415.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 1012 rows 516 cols 2128 entries
Finished phase 1 with 510 SingleSign rule and 5 generalized
[2026-05-22 14:54:11] [INFO ] Computed 1 invariants in 9 ms
Computed 1 P flows in 10 ms.
Exported basis to /tmp/petrispot-output-7921293101995109415.kers
Total runtime 11 ms.
[2026-05-22 14:54:11] [INFO ] Implicit Places using invariants in 231 ms returned []
[2026-05-22 14:54:11] [INFO ] Invariant cache hit.
[2026-05-22 14:54:12] [INFO ] Implicit Places using invariants and state equation in 408 ms returned []
Implicit Place search using SMT with State Equation took 670 ms to find 0 implicit places.
Running 506 sub problems to find dead transitions.
[2026-05-22 14:54:12] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/511 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 506 unsolved
At refinement iteration 1 (OVERLAPS) 1/512 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 506 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 512/1528 variables, and 1 constraints, problems are : Problem set: 0 solved, 506 unsolved in 30038 ms.
Refiners :[Generalized P Invariants (flows): 1/1 constraints, State Equation: 0/516 constraints, PredecessorRefiner: 506/506 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 506 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/511 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 506 unsolved
At refinement iteration 1 (OVERLAPS) 1/512 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 506 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/512 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 506 unsolved
At refinement iteration 3 (OVERLAPS) 1012/1524 variables, 512/513 constraints. Problems are: Problem set: 0 solved, 506 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/1524 variables, 506/1019 constraints. Problems are: Problem set: 0 solved, 506 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 1524/1528 variables, and 1019 constraints, problems are : Problem set: 0 solved, 506 unsolved in 30033 ms.
Refiners :[Generalized P Invariants (flows): 1/1 constraints, State Equation: 512/516 constraints, PredecessorRefiner: 506/506 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60852ms problems are : Problem set: 0 solved, 506 unsolved
Search for dead transitions found 0 dead transitions in 60880ms
Starting structural reductions in LTL mode, iteration 1 : 516/817 places, 1012/1608 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 61652 ms. Remains : 516/817 places, 1012/1608 transitions.
Starting structural reductions in LTL mode, iteration 0 : 516/516 places, 1012/1012 transitions.
Applied a total of 0 rules in 8 ms. Remains 516 /516 variables (removed 0) and now considering 1012/1012 (removed 0) transitions.
[2026-05-22 14:55:12] [INFO ] Invariant cache hit.
[2026-05-22 14:55:13] [INFO ] Implicit Places using invariants in 116 ms returned []
[2026-05-22 14:55:13] [INFO ] Invariant cache hit.
[2026-05-22 14:55:13] [INFO ] Implicit Places using invariants and state equation in 395 ms returned []
Implicit Place search using SMT with State Equation took 548 ms to find 0 implicit places.
Skipped dead transition search.
Finished structural reductions in LTL mode , in 1 iterations and 557 ms. Remains : 516/516 places, 1012/1012 transitions.
Support contains 512 out of 516 places after structural reductions.
[2026-05-22 14:55:13] [INFO ] Flatten gal took : 85 ms
[2026-05-22 14:55:14] [INFO ] Flatten gal took : 69 ms
[2026-05-22 14:55:14] [INFO ] Input system was already deterministic with 1012 transitions.
RANDOM walk for 40000 steps (5146 resets) in 2887 ms. (13 steps per ms) remains 10/25 properties
BEST_FIRST walk for 40004 steps (36 resets) in 933 ms. (42 steps per ms) remains 10/10 properties
BEST_FIRST walk for 40004 steps (32 resets) in 128 ms. (310 steps per ms) remains 10/10 properties
BEST_FIRST walk for 40004 steps (40 resets) in 121 ms. (327 steps per ms) remains 10/10 properties
BEST_FIRST walk for 40004 steps (40 resets) in 102 ms. (388 steps per ms) remains 10/10 properties
BEST_FIRST walk for 40004 steps (32 resets) in 102 ms. (388 steps per ms) remains 10/10 properties
BEST_FIRST walk for 40004 steps (40 resets) in 130 ms. (305 steps per ms) remains 10/10 properties
BEST_FIRST walk for 40004 steps (32 resets) in 80 ms. (493 steps per ms) remains 10/10 properties
BEST_FIRST walk for 40004 steps (40 resets) in 88 ms. (449 steps per ms) remains 10/10 properties
BEST_FIRST walk for 40004 steps (40 resets) in 75 ms. (526 steps per ms) remains 10/10 properties
BEST_FIRST walk for 40004 steps (39 resets) in 88 ms. (449 steps per ms) remains 10/10 properties
[2026-05-22 14:55:15] [INFO ] Invariant cache hit.
Excessive predecessor constraint size, skipping predecessor.
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/309 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 1 (OVERLAPS) 809/1118 variables, 309/309 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/1118 variables, 0/309 constraints. Problems are: Problem set: 0 solved, 10 unsolved
Problem AtomicPropp3 is UNSAT
At refinement iteration 3 (OVERLAPS) 400/1518 variables, 201/510 constraints. Problems are: Problem set: 1 solved, 9 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/1518 variables, 0/510 constraints. Problems are: Problem set: 1 solved, 9 unsolved
At refinement iteration 5 (OVERLAPS) 7/1525 variables, 4/514 constraints. Problems are: Problem set: 1 solved, 9 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/1525 variables, 0/514 constraints. Problems are: Problem set: 1 solved, 9 unsolved
At refinement iteration 7 (OVERLAPS) 2/1527 variables, 1/515 constraints. Problems are: Problem set: 1 solved, 9 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/1527 variables, 0/515 constraints. Problems are: Problem set: 1 solved, 9 unsolved
At refinement iteration 9 (OVERLAPS) 1/1528 variables, 2/517 constraints. Problems are: Problem set: 1 solved, 9 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/1528 variables, 0/517 constraints. Problems are: Problem set: 1 solved, 9 unsolved
At refinement iteration 11 (OVERLAPS) 0/1528 variables, 0/517 constraints. Problems are: Problem set: 1 solved, 9 unsolved
No progress, stopping.
After SMT solving in domain Real declared 1528/1528 variables, and 517 constraints, problems are : Problem set: 1 solved, 9 unsolved in 3311 ms.
Refiners :[Generalized P Invariants (flows): 1/1 constraints, State Equation: 516/516 constraints, PredecessorRefiner: 10/9 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 1 solved, 9 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/11 variables, 0/0 constraints. Problems are: Problem set: 1 solved, 9 unsolved
At refinement iteration 1 (OVERLAPS) 312/323 variables, 11/11 constraints. Problems are: Problem set: 1 solved, 9 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/323 variables, 9/20 constraints. Problems are: Problem set: 1 solved, 9 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/323 variables, 0/20 constraints. Problems are: Problem set: 1 solved, 9 unsolved
At refinement iteration 4 (OVERLAPS) 791/1114 variables, 297/317 constraints. Problems are: Problem set: 1 solved, 9 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/1114 variables, 0/317 constraints. Problems are: Problem set: 1 solved, 9 unsolved
At refinement iteration 6 (OVERLAPS) 404/1518 variables, 202/519 constraints. Problems are: Problem set: 1 solved, 9 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/1518 variables, 0/519 constraints. Problems are: Problem set: 1 solved, 9 unsolved
At refinement iteration 8 (OVERLAPS) 7/1525 variables, 4/523 constraints. Problems are: Problem set: 1 solved, 9 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/1525 variables, 0/523 constraints. Problems are: Problem set: 1 solved, 9 unsolved
At refinement iteration 10 (OVERLAPS) 2/1527 variables, 1/524 constraints. Problems are: Problem set: 1 solved, 9 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/1527 variables, 0/524 constraints. Problems are: Problem set: 1 solved, 9 unsolved
At refinement iteration 12 (OVERLAPS) 1/1528 variables, 2/526 constraints. Problems are: Problem set: 1 solved, 9 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 1528/1528 variables, and 526 constraints, problems are : Problem set: 1 solved, 9 unsolved in 5011 ms.
Refiners :[Generalized P Invariants (flows): 1/1 constraints, State Equation: 516/516 constraints, PredecessorRefiner: 9/9 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 8378ms problems are : Problem set: 1 solved, 9 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 11 out of 516 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 516/516 places, 1012/1012 transitions.
Graph (complete) has 614 edges and 516 vertex of which 315 are kept as prefixes of interest. Removing 201 places using SCC suffix rule.4 ms
Discarding 201 places :
Also discarding 0 output transitions
Drop transitions (Empty/Sink Transition effects.) removed 402 transitions
Reduce isomorphic transitions removed 402 transitions.
Iterating post reduction 0 with 402 rules applied. Total rules applied 403 place count 315 transition count 610
Performed 5 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 1 with 5 Pre rules applied. Total rules applied 403 place count 315 transition count 605
Deduced a syphon composed of 5 places in 0 ms
Ensure Unique test removed 3 places
Reduce places removed 8 places and 0 transitions.
Iterating global reduction 1 with 13 rules applied. Total rules applied 416 place count 307 transition count 605
Discarding 290 places :
Symmetric choice reduction at 1 with 290 rule applications. Total rules 706 place count 17 transition count 315
Iterating global reduction 1 with 290 rules applied. Total rules applied 996 place count 17 transition count 315
Ensure Unique test removed 290 transitions
Reduce isomorphic transitions removed 290 transitions.
Iterating post reduction 1 with 290 rules applied. Total rules applied 1286 place count 17 transition count 25
Free-agglomeration rule applied 3 times.
Iterating global reduction 2 with 3 rules applied. Total rules applied 1289 place count 17 transition count 22
Reduce places removed 3 places and 0 transitions.
Iterating post reduction 2 with 3 rules applied. Total rules applied 1292 place count 14 transition count 22
Applied a total of 1292 rules in 70 ms. Remains 14 /516 variables (removed 502) and now considering 22/1012 (removed 990) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 70 ms. Remains : 14/516 places, 22/1012 transitions.
RANDOM walk for 336 steps (54 resets) in 9 ms. (33 steps per ms) remains 0/9 properties
FORMULA AirplaneLD-PT-0200-LTLFireability-01 FALSE TECHNIQUES REACHABILITY_KNOWLEDGE
Successfully simplified 1 atomic propositions for a total of 13 simplifications.
Computed a total of 516 stabilizing places and 1012 stable transitions
Complete graph has no SCC; deadlocks are unavoidable. place count 516 transition count 1012
Detected that all paths lead to deadlock. Applying this knowledge to assert that all AP eventually converge (and all enablings converge to false).
FORMULA AirplaneLD-PT-0200-LTLFireability-00 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
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' '!(F(p0))'
Support contains 102 out of 516 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 516/516 places, 1012/1012 transitions.
Graph (complete) has 614 edges and 516 vertex of which 412 are kept as prefixes of interest. Removing 104 places using SCC suffix rule.5 ms
Discarding 104 places :
Also discarding 204 output transitions
Drop transitions (Output transitions of discarded places.) removed 204 transitions
Discarding 296 places :
Symmetric choice reduction at 0 with 296 rule applications. Total rules 297 place count 116 transition count 512
Iterating global reduction 0 with 296 rules applied. Total rules applied 593 place count 116 transition count 512
Ensure Unique test removed 296 transitions
Reduce isomorphic transitions removed 296 transitions.
Iterating post reduction 0 with 296 rules applied. Total rules applied 889 place count 116 transition count 216
Applied a total of 889 rules in 38 ms. Remains 116 /516 variables (removed 400) and now considering 216/1012 (removed 796) transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-2335412391245778400.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-13696306637854288864.kers'
[2026-05-22 14:55:24] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-2335412391245778400.kers, --Pflows, --basisKERS=/tmp/petrispot-output-13696306637854288864.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 216 rows 116 cols 435 entries
Finished phase 1 with 111 SingleSign rule and 4 generalized
[2026-05-22 14:55:24] [INFO ] Computed 1 invariants in 0 ms
Computed 1 P flows in 4 ms.
Exported basis to /tmp/petrispot-output-13696306637854288864.kers
Total runtime 4 ms.
[2026-05-22 14:55:25] [INFO ] Implicit Places using invariants in 63 ms returned [2]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 65 ms to find 1 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 115/516 places, 216/1012 transitions.
Graph (complete) has 113 edges and 115 vertex of which 114 are kept as prefixes of interest. Removing 1 places using SCC suffix rule.1 ms
Discarding 1 places :
Also discarding 1 output transitions
Drop transitions (Output transitions of discarded places.) removed 1 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 0 with 1 rules applied. Total rules applied 2 place count 114 transition count 214
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 1 with 1 rules applied. Total rules applied 3 place count 113 transition count 214
Applied a total of 3 rules in 19 ms. Remains 113 /115 variables (removed 2) and now considering 214/216 (removed 2) transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-2828887222888097520.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-7305746426409629975.kers'
[2026-05-22 14:55:25] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-2828887222888097520.kers, --Pflows, --basisKERS=/tmp/petrispot-output-7305746426409629975.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 214 rows 113 cols 429 entries
Finished phase 1 with 113 SingleSign rule and 0 generalized
[2026-05-22 14:55:25] [INFO ] Computed 0 invariants in 1 ms
Computed 0 P flows in 7 ms.
Exported basis to /tmp/petrispot-output-7305746426409629975.kers
Total runtime 8 ms.
[2026-05-22 14:55:25] [INFO ] Implicit Places using invariants in 48 ms returned []
[2026-05-22 14:55:25] [INFO ] Invariant cache hit.
[2026-05-22 14:55:25] [INFO ] Implicit Places using invariants and state equation in 106 ms returned []
Implicit Place search using SMT with State Equation took 156 ms to find 0 implicit places.
Starting structural reductions in SI_LTL mode, iteration 2 : 113/516 places, 214/1012 transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 279 ms. Remains : 113/516 places, 214/1012 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' '!(F(p0))'
Stuttering acceptance computed with spot in 279 ms :[(NOT p0)]
Running random walk in product with property : AirplaneLD-PT-0200-LTLFireability-02
Stuttering criterion allowed to conclude after 5 steps with 0 reset in 4 ms.
FORMULA AirplaneLD-PT-0200-LTLFireability-02 FALSE TECHNIQUES STUTTER_TEST
Treatment of property AirplaneLD-PT-0200-LTLFireability-02 finished in 687 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' '!(((!p0&&(!p1||X(p0))) U X(G(p0))))'
Support contains 200 out of 516 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 516/516 places, 1012/1012 transitions.
Discarding 300 places :
Symmetric choice reduction at 0 with 300 rule applications. Total rules 300 place count 216 transition count 712
Iterating global reduction 0 with 300 rules applied. Total rules applied 600 place count 216 transition count 712
Ensure Unique test removed 300 transitions
Reduce isomorphic transitions removed 300 transitions.
Iterating post reduction 0 with 300 rules applied. Total rules applied 900 place count 216 transition count 412
Applied a total of 900 rules in 12 ms. Remains 216 /516 variables (removed 300) and now considering 412/1012 (removed 600) transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-13993702980382874613.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-3901494814178050487.kers'
[2026-05-22 14:55:25] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-13993702980382874613.kers, --Pflows, --basisKERS=/tmp/petrispot-output-3901494814178050487.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 412 rows 216 cols 828 entries
Finished phase 1 with 210 SingleSign rule and 5 generalized
[2026-05-22 14:55:25] [INFO ] Computed 1 invariants in 4 ms
Computed 1 P flows in 5 ms.
Exported basis to /tmp/petrispot-output-3901494814178050487.kers
Total runtime 6 ms.
[2026-05-22 14:55:25] [INFO ] Implicit Places using invariants in 98 ms returned [2]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 100 ms to find 1 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 215/516 places, 412/1012 transitions.
Applied a total of 0 rules in 3 ms. Remains 215 /215 variables (removed 0) and now considering 412/412 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 116 ms. Remains : 215/516 places, 412/1012 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' '!(((!p0&&(!p1||X(p0))) U X(G(p0))))'
Stuttering acceptance computed with spot in 163 ms :[true, (NOT p0), (NOT p0)]
Running random walk in product with property : AirplaneLD-PT-0200-LTLFireability-03
Stuttering criterion allowed to conclude after 7 steps with 0 reset in 1 ms.
FORMULA AirplaneLD-PT-0200-LTLFireability-03 FALSE TECHNIQUES STUTTER_TEST
Treatment of property AirplaneLD-PT-0200-LTLFireability-03 finished in 353 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' '!((F(p0)&&X((X(!p1) U ((p2&&X(!p1))||X(G(!p1)))))))'
Support contains 203 out of 516 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 516/516 places, 1012/1012 transitions.
Discarding 299 places :
Symmetric choice reduction at 0 with 299 rule applications. Total rules 299 place count 217 transition count 713
Iterating global reduction 0 with 299 rules applied. Total rules applied 598 place count 217 transition count 713
Ensure Unique test removed 299 transitions
Reduce isomorphic transitions removed 299 transitions.
Iterating post reduction 0 with 299 rules applied. Total rules applied 897 place count 217 transition count 414
Applied a total of 897 rules in 13 ms. Remains 217 /516 variables (removed 299) and now considering 414/1012 (removed 598) transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-18040645726334448484.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-166630206186376305.kers'
[2026-05-22 14:55:25] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-18040645726334448484.kers, --Pflows, --basisKERS=/tmp/petrispot-output-166630206186376305.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 414 rows 217 cols 832 entries
Finished phase 1 with 211 SingleSign rule and 5 generalized
[2026-05-22 14:55:25] [INFO ] Computed 1 invariants in 2 ms
Computed 1 P flows in 2 ms.
Exported basis to /tmp/petrispot-output-166630206186376305.kers
Total runtime 3 ms.
[2026-05-22 14:55:26] [INFO ] Implicit Places using invariants in 105 ms returned []
[2026-05-22 14:55:26] [INFO ] Invariant cache hit.
[2026-05-22 14:55:26] [INFO ] Implicit Places using invariants and state equation in 390 ms returned []
Implicit Place search using SMT with State Equation took 500 ms to find 0 implicit places.
Running 207 sub problems to find dead transitions.
[2026-05-22 14:55:26] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/212 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 207 unsolved
At refinement iteration 1 (OVERLAPS) 1/213 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 207 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/213 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 207 unsolved
At refinement iteration 3 (OVERLAPS) 414/627 variables, 213/214 constraints. Problems are: Problem set: 0 solved, 207 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/627 variables, 0/214 constraints. Problems are: Problem set: 0 solved, 207 unsolved
At refinement iteration 5 (OVERLAPS) 4/631 variables, 4/218 constraints. Problems are: Problem set: 0 solved, 207 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/631 variables, 0/218 constraints. Problems are: Problem set: 0 solved, 207 unsolved
At refinement iteration 7 (OVERLAPS) 0/631 variables, 0/218 constraints. Problems are: Problem set: 0 solved, 207 unsolved
No progress, stopping.
After SMT solving in domain Real declared 631/631 variables, and 218 constraints, problems are : Problem set: 0 solved, 207 unsolved in 30024 ms.
Refiners :[Generalized P Invariants (flows): 1/1 constraints, State Equation: 217/217 constraints, PredecessorRefiner: 207/207 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 207 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/212 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 207 unsolved
At refinement iteration 1 (OVERLAPS) 1/213 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 207 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/213 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 207 unsolved
At refinement iteration 3 (OVERLAPS) 414/627 variables, 213/214 constraints. Problems are: Problem set: 0 solved, 207 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/627 variables, 207/421 constraints. Problems are: Problem set: 0 solved, 207 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/627 variables, 0/421 constraints. Problems are: Problem set: 0 solved, 207 unsolved
At refinement iteration 6 (OVERLAPS) 4/631 variables, 4/425 constraints. Problems are: Problem set: 0 solved, 207 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 631/631 variables, and 425 constraints, problems are : Problem set: 0 solved, 207 unsolved in 30017 ms.
Refiners :[Generalized P Invariants (flows): 1/1 constraints, State Equation: 217/217 constraints, PredecessorRefiner: 207/207 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60219ms problems are : Problem set: 0 solved, 207 unsolved
Search for dead transitions found 0 dead transitions in 60220ms
Starting structural reductions in LTL mode, iteration 1 : 217/516 places, 414/1012 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 60735 ms. Remains : 217/516 places, 414/1012 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' '!((F(p0)&&X((X(!p1) U ((p2&&X(!p1))||X(G(!p1)))))))'
Stuttering acceptance computed with spot in 179 ms :[(OR (NOT p0) p1), (NOT p0), p1, p1, true]
Running random walk in product with property : AirplaneLD-PT-0200-LTLFireability-04
Stuttering criterion allowed to conclude after 14 steps with 1 reset in 1 ms.
FORMULA AirplaneLD-PT-0200-LTLFireability-04 FALSE TECHNIQUES STUTTER_TEST
Treatment of property AirplaneLD-PT-0200-LTLFireability-04 finished in 60987 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' '!(X((G(p1)||X((p2 U (G(p2)||(p2&&G(p3)))))||p0)))'
Support contains 4 out of 516 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 516/516 places, 1012/1012 transitions.
Discarding 497 places :
Symmetric choice reduction at 0 with 497 rule applications. Total rules 497 place count 19 transition count 515
Iterating global reduction 0 with 497 rules applied. Total rules applied 994 place count 19 transition count 515
Ensure Unique test removed 497 transitions
Reduce isomorphic transitions removed 497 transitions.
Iterating post reduction 0 with 497 rules applied. Total rules applied 1491 place count 19 transition count 18
Applied a total of 1491 rules in 10 ms. Remains 19 /516 variables (removed 497) and now considering 18/1012 (removed 994) transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-14691444228245744468.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-491447118228016796.kers'
[2026-05-22 14:56:26] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-14691444228245744468.kers, --Pflows, --basisKERS=/tmp/petrispot-output-491447118228016796.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 18 rows 19 cols 40 entries
Finished phase 1 with 13 SingleSign rule and 5 generalized
[2026-05-22 14:56:26] [INFO ] Computed 1 invariants in 0 ms
Computed 1 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-491447118228016796.kers
Total runtime 0 ms.
[2026-05-22 14:56:26] [INFO ] Implicit Places using invariants in 43 ms returned []
[2026-05-22 14:56:26] [INFO ] Invariant cache hit.
[2026-05-22 14:56:26] [INFO ] Implicit Places using invariants and state equation in 28 ms returned []
Implicit Place search using SMT with State Equation took 86 ms to find 0 implicit places.
Running 9 sub problems to find dead transitions.
[2026-05-22 14:56:26] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/14 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 1 (OVERLAPS) 1/15 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/15 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 3 (OVERLAPS) 18/33 variables, 15/16 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/33 variables, 0/16 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 5 (OVERLAPS) 4/37 variables, 4/20 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/37 variables, 0/20 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 7 (OVERLAPS) 0/37 variables, 0/20 constraints. Problems are: Problem set: 0 solved, 9 unsolved
No progress, stopping.
After SMT solving in domain Real declared 37/37 variables, and 20 constraints, problems are : Problem set: 0 solved, 9 unsolved in 144 ms.
Refiners :[Generalized P Invariants (flows): 1/1 constraints, State Equation: 19/19 constraints, PredecessorRefiner: 9/9 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 9 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/14 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 1 (OVERLAPS) 1/15 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/15 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 3 (OVERLAPS) 18/33 variables, 15/16 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/33 variables, 9/25 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/33 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 6 (OVERLAPS) 4/37 variables, 4/29 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/37 variables, 0/29 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 8 (OVERLAPS) 0/37 variables, 0/29 constraints. Problems are: Problem set: 0 solved, 9 unsolved
No progress, stopping.
After SMT solving in domain Int declared 37/37 variables, and 29 constraints, problems are : Problem set: 0 solved, 9 unsolved in 153 ms.
Refiners :[Generalized P Invariants (flows): 1/1 constraints, State Equation: 19/19 constraints, PredecessorRefiner: 9/9 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 309ms problems are : Problem set: 0 solved, 9 unsolved
Search for dead transitions found 0 dead transitions in 310ms
Starting structural reductions in LTL mode, iteration 1 : 19/516 places, 18/1012 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 406 ms. Remains : 19/516 places, 18/1012 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' '!(X((G(p1)||X((p2 U (G(p2)||(p2&&G(p3)))))||p0)))'
Stuttering acceptance computed with spot in 383 ms :[true, (AND (NOT p0) (NOT p1) (NOT p2)), (AND (NOT p0) (NOT p1) (NOT p2)), (NOT p2), (AND (NOT p1) (NOT p2)), (AND (NOT p2) (NOT p3)), (NOT p1), (AND (NOT p2) (NOT p3) (NOT p1)), (NOT p3), (AND (NOT p1) (NOT p3))]
Running random walk in product with property : AirplaneLD-PT-0200-LTLFireability-05
Entered a terminal (fully accepting) state of product in 10 steps with 4 reset in 0 ms.
FORMULA AirplaneLD-PT-0200-LTLFireability-05 FALSE TECHNIQUES STUTTER_TEST
Treatment of property AirplaneLD-PT-0200-LTLFireability-05 finished in 823 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' '!(F(G(p0)))'
Support contains 2 out of 516 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 516/516 places, 1012/1012 transitions.
Graph (complete) has 614 edges and 516 vertex of which 8 are kept as prefixes of interest. Removing 508 places using SCC suffix rule.1 ms
Discarding 508 places :
Also discarding 1004 output transitions
Drop transitions (Output transitions of discarded places.) removed 1004 transitions
Applied a total of 1 rules in 3 ms. Remains 8 /516 variables (removed 508) and now considering 8/1012 (removed 1004) transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-18092362752836671858.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-4361190133388532874.kers'
[2026-05-22 14:56:27] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-18092362752836671858.kers, --Pflows, --basisKERS=/tmp/petrispot-output-4361190133388532874.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 8 rows 8 cols 17 entries
Finished phase 1 with 5 SingleSign rule and 2 generalized
[2026-05-22 14:56:27] [INFO ] Computed 1 invariants in 0 ms
Computed 1 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-4361190133388532874.kers
Total runtime 0 ms.
[2026-05-22 14:56:27] [INFO ] Implicit Places using invariants in 22 ms returned [2]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 24 ms to find 1 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 7/516 places, 8/1012 transitions.
Graph (complete) has 5 edges and 7 vertex of which 6 are kept as prefixes of interest. Removing 1 places using SCC suffix rule.0 ms
Discarding 1 places :
Also discarding 1 output transitions
Drop transitions (Output transitions of discarded places.) removed 1 transitions
Applied a total of 1 rules in 6 ms. Remains 6 /7 variables (removed 1) and now considering 7/8 (removed 1) transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-2906186000191875676.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-5576727535373707019.kers'
[2026-05-22 14:56:27] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-2906186000191875676.kers, --Pflows, --basisKERS=/tmp/petrispot-output-5576727535373707019.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 7 rows 6 cols 13 entries
Finished phase 1 with 6 SingleSign rule and 0 generalized
[2026-05-22 14:56:27] [INFO ] Computed 0 invariants in 2 ms
Computed 0 P flows in 2 ms.
Exported basis to /tmp/petrispot-output-5576727535373707019.kers
Total runtime 2 ms.
[2026-05-22 14:56:27] [INFO ] Implicit Places using invariants in 24 ms returned []
[2026-05-22 14:56:27] [INFO ] Invariant cache hit.
[2026-05-22 14:56:27] [INFO ] Implicit Places using invariants and state equation in 19 ms returned []
Implicit Place search using SMT with State Equation took 47 ms to find 0 implicit places.
Starting structural reductions in SI_LTL mode, iteration 2 : 6/516 places, 7/1012 transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 80 ms. Remains : 6/516 places, 7/1012 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' '!(F(G(p0)))'
Stuttering acceptance computed with spot in 56 ms :[(NOT p0)]
Running random walk in product with property : AirplaneLD-PT-0200-LTLFireability-06
Stuttering criterion allowed to conclude after 2 steps with 0 reset in 0 ms.
FORMULA AirplaneLD-PT-0200-LTLFireability-06 FALSE TECHNIQUES STUTTER_TEST
Treatment of property AirplaneLD-PT-0200-LTLFireability-06 finished in 158 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' '!(X(X(F((X(!p0)||G(p1))))))'
Support contains 4 out of 516 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 516/516 places, 1012/1012 transitions.
Discarding 496 places :
Symmetric choice reduction at 0 with 496 rule applications. Total rules 496 place count 20 transition count 516
Iterating global reduction 0 with 496 rules applied. Total rules applied 992 place count 20 transition count 516
Ensure Unique test removed 496 transitions
Reduce isomorphic transitions removed 496 transitions.
Iterating post reduction 0 with 496 rules applied. Total rules applied 1488 place count 20 transition count 20
Applied a total of 1488 rules in 15 ms. Remains 20 /516 variables (removed 496) and now considering 20/1012 (removed 992) transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-17544497240465205638.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-7486105684074042595.kers'
[2026-05-22 14:56:27] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-17544497240465205638.kers, --Pflows, --basisKERS=/tmp/petrispot-output-7486105684074042595.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 20 rows 20 cols 44 entries
Finished phase 1 with 14 SingleSign rule and 5 generalized
[2026-05-22 14:56:27] [INFO ] Computed 1 invariants in 0 ms
Computed 1 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-7486105684074042595.kers
Total runtime 0 ms.
[2026-05-22 14:56:27] [INFO ] Implicit Places using invariants in 46 ms returned [2]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 48 ms to find 1 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 19/516 places, 20/1012 transitions.
Applied a total of 0 rules in 0 ms. Remains 19 /19 variables (removed 0) and now considering 20/20 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 63 ms. Remains : 19/516 places, 20/1012 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' '!(X(X(F((X(p0)||G(p1))))))'
Stuttering acceptance computed with spot in 257 ms :[(AND (NOT p1) (NOT p0)), (AND (NOT p1) (NOT p0)), (AND (NOT p1) (NOT p0)), (AND (NOT p1) (NOT p0))]
Running random walk in product with property : AirplaneLD-PT-0200-LTLFireability-08
Product exploration explored 100000 steps with 24920 reset in 180 ms.
Product exploration explored 100000 steps with 24907 reset in 111 ms.
Computed a total of 19 stabilizing places and 20 stable transitions
Complete graph has no SCC; deadlocks are unavoidable. place count 19 transition count 20
Detected that all paths lead to deadlock. Applying this knowledge to assert that all AP eventually converge (and all enablings converge to false).
Detected that all paths lead to deadlock. Applying this knowledge to assert that all AP eventually converge : F ( (Ga|G!a) & (Gb|G!b)...)
Property proved to be true by K+ with min(!phi)
Knowledge based reduction with 3 factoid took 16 ms. Proved property starting from automaton with 4 states, 5 edges and 2 AP (stutter sensitive
Knowledge-based reduction took 63 ms.
FORMULA AirplaneLD-PT-0200-LTLFireability-08 TRUE TECHNIQUES KNOWLEDGE
Treatment of property AirplaneLD-PT-0200-LTLFireability-08 finished in 744 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' '!(X(G(((G(p0) U X(p1))||(p2 U p3)))))'
Support contains 7 out of 516 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 516/516 places, 1012/1012 transitions.
Discarding 494 places :
Symmetric choice reduction at 0 with 494 rule applications. Total rules 494 place count 22 transition count 518
Iterating global reduction 0 with 494 rules applied. Total rules applied 988 place count 22 transition count 518
Ensure Unique test removed 494 transitions
Reduce isomorphic transitions removed 494 transitions.
Iterating post reduction 0 with 494 rules applied. Total rules applied 1482 place count 22 transition count 24
Applied a total of 1482 rules in 9 ms. Remains 22 /516 variables (removed 494) and now considering 24/1012 (removed 988) transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-6024630983800188009.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-12900974907728406834.kers'
[2026-05-22 14:56:28] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-6024630983800188009.kers, --Pflows, --basisKERS=/tmp/petrispot-output-12900974907728406834.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 24 rows 22 cols 54 entries
Finished phase 1 with 16 SingleSign rule and 5 generalized
[2026-05-22 14:56:28] [INFO ] Computed 1 invariants in 0 ms
Computed 1 P flows in 1 ms.
Exported basis to /tmp/petrispot-output-12900974907728406834.kers
Total runtime 1 ms.
[2026-05-22 14:56:28] [INFO ] Implicit Places using invariants in 26 ms returned [2]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 27 ms to find 1 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 21/516 places, 24/1012 transitions.
Applied a total of 0 rules in 0 ms. Remains 21 /21 variables (removed 0) and now considering 24/24 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 36 ms. Remains : 21/516 places, 24/1012 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' '!(X(G(((G(p0) U X(p1))||(p2 U p3)))))'
Stuttering acceptance computed with spot in 441 ms :[(AND (NOT p1) (NOT p3)), (AND (NOT p1) (NOT p3)), (NOT p1), (AND (NOT p1) (NOT p3)), (NOT p1), (AND (NOT p1) (NOT p3)), true, (NOT p3), (NOT p0), (AND (NOT p0) (NOT p3))]
Running random walk in product with property : AirplaneLD-PT-0200-LTLFireability-09
Entered a terminal (fully accepting) state of product in 2 steps with 0 reset in 0 ms.
FORMULA AirplaneLD-PT-0200-LTLFireability-09 FALSE TECHNIQUES STUTTER_TEST
Treatment of property AirplaneLD-PT-0200-LTLFireability-09 finished in 530 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' '!(X(X(X((G(F(p0)) U G(!p1))))))'
Support contains 4 out of 516 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 516/516 places, 1012/1012 transitions.
Discarding 495 places :
Symmetric choice reduction at 0 with 495 rule applications. Total rules 495 place count 21 transition count 517
Iterating global reduction 0 with 495 rules applied. Total rules applied 990 place count 21 transition count 517
Ensure Unique test removed 495 transitions
Reduce isomorphic transitions removed 495 transitions.
Iterating post reduction 0 with 495 rules applied. Total rules applied 1485 place count 21 transition count 22
Applied a total of 1485 rules in 11 ms. Remains 21 /516 variables (removed 495) and now considering 22/1012 (removed 990) transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-12229840931650148624.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-16132300299757330257.kers'
[2026-05-22 14:56:29] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-12229840931650148624.kers, --Pflows, --basisKERS=/tmp/petrispot-output-16132300299757330257.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 22 rows 21 cols 49 entries
Finished phase 1 with 15 SingleSign rule and 5 generalized
[2026-05-22 14:56:29] [INFO ] Computed 1 invariants in 0 ms
Computed 1 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-16132300299757330257.kers
Total runtime 0 ms.
[2026-05-22 14:56:29] [INFO ] Implicit Places using invariants in 37 ms returned [2]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 38 ms to find 1 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 20/516 places, 22/1012 transitions.
Applied a total of 0 rules in 1 ms. Remains 20 /20 variables (removed 0) and now considering 22/22 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 50 ms. Remains : 20/516 places, 22/1012 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' '!(X(X(X((G(F(p0)) U G(!p1))))))'
Stuttering acceptance computed with spot in 295 ms :[p1, p1, p1, p1, (NOT p0), (AND (NOT p0) (NOT p1))]
Running random walk in product with property : AirplaneLD-PT-0200-LTLFireability-10
Stuttering criterion allowed to conclude after 95 steps with 10 reset in 1 ms.
FORMULA AirplaneLD-PT-0200-LTLFireability-10 FALSE TECHNIQUES STUTTER_TEST
Treatment of property AirplaneLD-PT-0200-LTLFireability-10 finished in 406 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' '!(X(G(p0)))'
Support contains 2 out of 516 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 516/516 places, 1012/1012 transitions.
Discarding 496 places :
Symmetric choice reduction at 0 with 496 rule applications. Total rules 496 place count 20 transition count 516
Iterating global reduction 0 with 496 rules applied. Total rules applied 992 place count 20 transition count 516
Ensure Unique test removed 496 transitions
Reduce isomorphic transitions removed 496 transitions.
Iterating post reduction 0 with 496 rules applied. Total rules applied 1488 place count 20 transition count 20
Applied a total of 1488 rules in 5 ms. Remains 20 /516 variables (removed 496) and now considering 20/1012 (removed 992) transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-7643259273793871629.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-3327786011173884936.kers'
[2026-05-22 14:56:29] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-7643259273793871629.kers, --Pflows, --basisKERS=/tmp/petrispot-output-3327786011173884936.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 20 rows 20 cols 45 entries
Finished phase 1 with 14 SingleSign rule and 5 generalized
[2026-05-22 14:56:29] [INFO ] Computed 1 invariants in 0 ms
Computed 1 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-3327786011173884936.kers
Total runtime 0 ms.
[2026-05-22 14:56:29] [INFO ] Implicit Places using invariants in 53 ms returned [2]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 55 ms to find 1 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 19/516 places, 20/1012 transitions.
Applied a total of 0 rules in 1 ms. Remains 19 /19 variables (removed 0) and now considering 20/20 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 61 ms. Remains : 19/516 places, 20/1012 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' '!(X(G(p0)))'
Stuttering acceptance computed with spot in 106 ms :[true, (NOT p0), (NOT p0)]
Running random walk in product with property : AirplaneLD-PT-0200-LTLFireability-11
Entered a terminal (fully accepting) state of product in 92 steps with 11 reset in 1 ms.
FORMULA AirplaneLD-PT-0200-LTLFireability-11 FALSE TECHNIQUES STUTTER_TEST
Treatment of property AirplaneLD-PT-0200-LTLFireability-11 finished in 195 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(F((G(p1)||(p2 U (p3||G(p2)))||p0))))'
Support contains 6 out of 516 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 516/516 places, 1012/1012 transitions.
Discarding 496 places :
Symmetric choice reduction at 0 with 496 rule applications. Total rules 496 place count 20 transition count 516
Iterating global reduction 0 with 496 rules applied. Total rules applied 992 place count 20 transition count 516
Ensure Unique test removed 496 transitions
Reduce isomorphic transitions removed 496 transitions.
Iterating post reduction 0 with 496 rules applied. Total rules applied 1488 place count 20 transition count 20
Applied a total of 1488 rules in 22 ms. Remains 20 /516 variables (removed 496) and now considering 20/1012 (removed 992) transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-4459523917905877938.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-7389749881649666228.kers'
[2026-05-22 14:56:29] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-4459523917905877938.kers, --Pflows, --basisKERS=/tmp/petrispot-output-7389749881649666228.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 20 rows 20 cols 44 entries
Finished phase 1 with 14 SingleSign rule and 5 generalized
[2026-05-22 14:56:29] [INFO ] Computed 1 invariants in 0 ms
Computed 1 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-7389749881649666228.kers
Total runtime 0 ms.
[2026-05-22 14:56:29] [INFO ] Implicit Places using invariants in 103 ms returned [2]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 106 ms to find 1 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 19/516 places, 20/1012 transitions.
Graph (complete) has 17 edges and 19 vertex of which 18 are kept as prefixes of interest. Removing 1 places using SCC suffix rule.0 ms
Discarding 1 places :
Also discarding 1 output transitions
Drop transitions (Output transitions of discarded places.) removed 1 transitions
Applied a total of 1 rules in 0 ms. Remains 18 /19 variables (removed 1) and now considering 19/20 (removed 1) transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-12028290584267533485.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-12172991082796665050.kers'
[2026-05-22 14:56:29] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-12028290584267533485.kers, --Pflows, --basisKERS=/tmp/petrispot-output-12172991082796665050.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 19 rows 18 cols 40 entries
Finished phase 1 with 18 SingleSign rule and 0 generalized
[2026-05-22 14:56:29] [INFO ] Computed 0 invariants in 0 ms
Computed 0 P flows in 2 ms.
Exported basis to /tmp/petrispot-output-12172991082796665050.kers
Total runtime 2 ms.
[2026-05-22 14:56:29] [INFO ] Implicit Places using invariants in 62 ms returned []
[2026-05-22 14:56:29] [INFO ] Invariant cache hit.
[2026-05-22 14:56:30] [INFO ] Implicit Places using invariants and state equation in 114 ms returned []
Implicit Place search using SMT with State Equation took 205 ms to find 0 implicit places.
Starting structural reductions in SI_LTL mode, iteration 2 : 18/516 places, 19/1012 transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 336 ms. Remains : 18/516 places, 19/1012 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((G(p1)||(p2 U (p3||G(p2)))||p0))))'
Stuttering acceptance computed with spot in 116 ms :[(AND (NOT p3) (NOT p2) (NOT p0) (NOT p1)), (AND (NOT p3) (NOT p2) (NOT p0) (NOT p1))]
Running random walk in product with property : AirplaneLD-PT-0200-LTLFireability-13
Product exploration explored 100000 steps with 13556 reset in 149 ms.
Product exploration explored 100000 steps with 13560 reset in 140 ms.
Computed a total of 18 stabilizing places and 19 stable transitions
Complete graph has no SCC; deadlocks are unavoidable. place count 18 transition count 19
Detected that all paths lead to deadlock. Applying this knowledge to assert that all AP eventually converge (and all enablings converge to false).
Detected that all paths lead to deadlock. Applying this knowledge to assert that all AP eventually converge : F ( (Ga|G!a) & (Gb|G!b)...)
Property proved to be true by K+ with min(!phi)
Knowledge based reduction with 15 factoid took 23 ms. Proved property starting from automaton with 2 states, 6 edges and 4 AP (stutter insensitive
Knowledge-based reduction took 57 ms.
FORMULA AirplaneLD-PT-0200-LTLFireability-13 TRUE TECHNIQUES KNOWLEDGE
Treatment of property AirplaneLD-PT-0200-LTLFireability-13 finished in 843 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' '!(X(X((X(G(p0))&&F(p1)))))'
Support contains 4 out of 516 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 516/516 places, 1012/1012 transitions.
Discarding 496 places :
Symmetric choice reduction at 0 with 496 rule applications. Total rules 496 place count 20 transition count 516
Iterating global reduction 0 with 496 rules applied. Total rules applied 992 place count 20 transition count 516
Ensure Unique test removed 496 transitions
Reduce isomorphic transitions removed 496 transitions.
Iterating post reduction 0 with 496 rules applied. Total rules applied 1488 place count 20 transition count 20
Applied a total of 1488 rules in 6 ms. Remains 20 /516 variables (removed 496) and now considering 20/1012 (removed 992) transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-10493495399004683343.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-11272216250039296884.kers'
[2026-05-22 14:56:30] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-10493495399004683343.kers, --Pflows, --basisKERS=/tmp/petrispot-output-11272216250039296884.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 20 rows 20 cols 45 entries
Finished phase 1 with 14 SingleSign rule and 5 generalized
[2026-05-22 14:56:30] [INFO ] Computed 1 invariants in 0 ms
Computed 1 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-11272216250039296884.kers
Total runtime 0 ms.
[2026-05-22 14:56:30] [INFO ] Implicit Places using invariants in 33 ms returned []
[2026-05-22 14:56:30] [INFO ] Invariant cache hit.
[2026-05-22 14:56:30] [INFO ] Implicit Places using invariants and state equation in 45 ms returned []
Implicit Place search using SMT with State Equation took 79 ms to find 0 implicit places.
Running 10 sub problems to find dead transitions.
[2026-05-22 14:56:30] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/15 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 1 (OVERLAPS) 1/16 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/16 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 3 (OVERLAPS) 20/36 variables, 16/17 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/36 variables, 0/17 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 5 (OVERLAPS) 4/40 variables, 4/21 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/40 variables, 0/21 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 7 (OVERLAPS) 0/40 variables, 0/21 constraints. Problems are: Problem set: 0 solved, 10 unsolved
No progress, stopping.
After SMT solving in domain Real declared 40/40 variables, and 21 constraints, problems are : Problem set: 0 solved, 10 unsolved in 270 ms.
Refiners :[Generalized P Invariants (flows): 1/1 constraints, State Equation: 20/20 constraints, PredecessorRefiner: 10/10 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 10 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/15 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 1 (OVERLAPS) 1/16 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/16 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 3 (OVERLAPS) 20/36 variables, 16/17 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/36 variables, 10/27 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/36 variables, 0/27 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 6 (OVERLAPS) 4/40 variables, 4/31 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/40 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 8 (OVERLAPS) 0/40 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 10 unsolved
No progress, stopping.
After SMT solving in domain Int declared 40/40 variables, and 31 constraints, problems are : Problem set: 0 solved, 10 unsolved in 184 ms.
Refiners :[Generalized P Invariants (flows): 1/1 constraints, State Equation: 20/20 constraints, PredecessorRefiner: 10/10 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 469ms problems are : Problem set: 0 solved, 10 unsolved
Search for dead transitions found 0 dead transitions in 470ms
Starting structural reductions in LTL mode, iteration 1 : 20/516 places, 20/1012 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 555 ms. Remains : 20/516 places, 20/1012 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' '!(X(X((X(G(p0))&&F(p1)))))'
Stuttering acceptance computed with spot in 235 ms :[(NOT p0), (OR (NOT p0) (NOT p1)), (OR (NOT p0) (NOT p1)), (OR (NOT p1) (NOT p0)), (OR (NOT p1) (NOT p0)), true]
Running random walk in product with property : AirplaneLD-PT-0200-LTLFireability-14
Entered a terminal (fully accepting) state of product in 3 steps with 0 reset in 1 ms.
FORMULA AirplaneLD-PT-0200-LTLFireability-14 FALSE TECHNIQUES STUTTER_TEST
Treatment of property AirplaneLD-PT-0200-LTLFireability-14 finished in 828 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' '!(!(!p0 U (X((F(X(F(!p1)))&&!p2))||(!p1 U p3))))'
Support contains 6 out of 516 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 516/516 places, 1012/1012 transitions.
Discarding 496 places :
Symmetric choice reduction at 0 with 496 rule applications. Total rules 496 place count 20 transition count 516
Iterating global reduction 0 with 496 rules applied. Total rules applied 992 place count 20 transition count 516
Ensure Unique test removed 496 transitions
Reduce isomorphic transitions removed 496 transitions.
Iterating post reduction 0 with 496 rules applied. Total rules applied 1488 place count 20 transition count 20
Applied a total of 1488 rules in 8 ms. Remains 20 /516 variables (removed 496) and now considering 20/1012 (removed 992) transitions.
[2026-05-22 14:56:31] [INFO ] Invariant cache hit.
[2026-05-22 14:56:31] [INFO ] Implicit Places using invariants in 40 ms returned [2]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 41 ms to find 1 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 19/516 places, 20/1012 transitions.
Applied a total of 0 rules in 1 ms. Remains 19 /19 variables (removed 0) and now considering 20/20 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 50 ms. Remains : 19/516 places, 20/1012 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' '!(!(!p0 U (X((F(X(F(!p1)))&&!p2))||(!p1 U p3))))'
Stuttering acceptance computed with spot in 252 ms :[(OR p3 (AND (NOT p1) (NOT p2))), true, p3, (AND (NOT p2) (NOT p1)), (NOT p1)]
Running random walk in product with property : AirplaneLD-PT-0200-LTLFireability-15
Entered a terminal (fully accepting) state of product in 23 steps with 3 reset in 0 ms.
FORMULA AirplaneLD-PT-0200-LTLFireability-15 FALSE TECHNIQUES STUTTER_TEST
Treatment of property AirplaneLD-PT-0200-LTLFireability-15 finished in 345 ms.
All properties solved by simple procedures.
Total runtime 141224 ms.

BK_STOP 1779461792154

--------------------
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="AirplaneLD-PT-0200"
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 AirplaneLD-PT-0200, 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 r002-oct2-177944365900108"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/AirplaneLD-PT-0200.tgz
mv AirplaneLD-PT-0200 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 ;