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-oct2-177944365900084.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)
................................................................................................................................................................................................................................................................................................................................................................................................................................
=====================================================================
Generated by BenchKit 2-5973
Executing tool itstools
Input is AirplaneLD-PT-0020, examination is LTLFireability
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r002-oct2-177944365900084
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 800K
-rw-r--r-- 1 mcc users 21K Mar 4 16:45 CTLCardinality.txt
-rw-r--r-- 1 mcc users 112K Mar 4 16:45 CTLCardinality.xml
-rw-r--r-- 1 mcc users 14K Mar 4 16:45 CTLFireability.txt
-rw-r--r-- 1 mcc users 94K Mar 4 16:45 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 6.9K Mar 15 06:59 LTLCardinality.txt
-rw-r--r-- 1 mcc users 34K Mar 15 06:59 LTLCardinality.xml
-rw-r--r-- 1 mcc users 4.7K Mar 15 07:00 LTLFireability.txt
-rw-r--r-- 1 mcc users 27K Mar 15 07:00 LTLFireability.xml
-rw-r--r-- 1 mcc users 30K Mar 4 16:45 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 160K Mar 4 16:45 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 20K Mar 4 16:45 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 130K Mar 4 16:45 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.8K Mar 15 07:00 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.9K 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 91K 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-0020-LTLFireability-00
FORMULA_NAME AirplaneLD-PT-0020-LTLFireability-01
FORMULA_NAME AirplaneLD-PT-0020-LTLFireability-02
FORMULA_NAME AirplaneLD-PT-0020-LTLFireability-03
FORMULA_NAME AirplaneLD-PT-0020-LTLFireability-04
FORMULA_NAME AirplaneLD-PT-0020-LTLFireability-05
FORMULA_NAME AirplaneLD-PT-0020-LTLFireability-06
FORMULA_NAME AirplaneLD-PT-0020-LTLFireability-07
FORMULA_NAME AirplaneLD-PT-0020-LTLFireability-08
FORMULA_NAME AirplaneLD-PT-0020-LTLFireability-09
FORMULA_NAME AirplaneLD-PT-0020-LTLFireability-10
FORMULA_NAME AirplaneLD-PT-0020-LTLFireability-11
FORMULA_NAME AirplaneLD-PT-0020-LTLFireability-12
FORMULA_NAME AirplaneLD-PT-0020-LTLFireability-13
FORMULA_NAME AirplaneLD-PT-0020-LTLFireability-14
FORMULA_NAME AirplaneLD-PT-0020-LTLFireability-15

=== Now, execution of the tool begins

BK_START 1779461590933

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-0020
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
LTLFireability PT
Running Version 202604301425
[2026-05-22 14:53:12] [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 14:53:12] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-05-22 14:53:12] [INFO ] Load time of PNML (sax parser for PT used): 69 ms
[2026-05-22 14:53:12] [INFO ] Transformed 159 places.
[2026-05-22 14:53:12] [INFO ] Transformed 168 transitions.
[2026-05-22 14:53:12] [INFO ] Found NUPN structural information;
[2026-05-22 14:53:12] [INFO ] Parsed PT model containing 159 places and 168 transitions and 638 arcs in 168 ms.
Parsed 16 properties from file /home/mcc/execution/LTLFireability.xml in 9 ms.
Working with output stream class java.io.PrintStream
Initial state reduction rules removed 3 formulas.
Reduce places removed 62 places and 0 transitions.
FORMULA AirplaneLD-PT-0020-LTLFireability-02 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA AirplaneLD-PT-0020-LTLFireability-06 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA AirplaneLD-PT-0020-LTLFireability-09 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Support contains 69 out of 97 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 97/97 places, 168/168 transitions.
Reduce places removed 3 places and 0 transitions.
Iterating post reduction 0 with 3 rules applied. Total rules applied 3 place count 94 transition count 168
Discarding 23 places :
Symmetric choice reduction at 1 with 23 rule applications. Total rules 26 place count 71 transition count 145
Iterating global reduction 1 with 23 rules applied. Total rules applied 49 place count 71 transition count 145
Ensure Unique test removed 23 transitions
Reduce isomorphic transitions removed 23 transitions.
Iterating post reduction 1 with 23 rules applied. Total rules applied 72 place count 71 transition count 122
Applied a total of 72 rules in 19 ms. Remains 71 /97 variables (removed 26) and now considering 122/168 (removed 46) transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-9118973584952535244.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-4409062090556230420.kers'
[2026-05-22 14:53:12] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-9118973584952535244.kers, --Pflows, --basisKERS=/tmp/petrispot-output-4409062090556230420.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 122 rows 71 cols 278 entries
Finished phase 1 with 65 SingleSign rule and 5 generalized
[2026-05-22 14:53:12] [INFO ] Computed 1 invariants in 0 ms
Computed 1 P flows in 1 ms.
Exported basis to /tmp/petrispot-output-4409062090556230420.kers
Total runtime 1 ms.
[2026-05-22 14:53:12] [INFO ] Implicit Places using invariants in 204 ms returned []
[2026-05-22 14:53:12] [INFO ] Invariant cache hit.
[2026-05-22 14:53:13] [INFO ] Implicit Places using invariants and state equation in 160 ms returned []
Implicit Place search using SMT with State Equation took 397 ms to find 0 implicit places.
Running 61 sub problems to find dead transitions.
[2026-05-22 14:53:13] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/66 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 61 unsolved
At refinement iteration 1 (OVERLAPS) 1/67 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 61 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/67 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 61 unsolved
At refinement iteration 3 (OVERLAPS) 122/189 variables, 67/68 constraints. Problems are: Problem set: 0 solved, 61 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/189 variables, 0/68 constraints. Problems are: Problem set: 0 solved, 61 unsolved
At refinement iteration 5 (OVERLAPS) 4/193 variables, 4/72 constraints. Problems are: Problem set: 0 solved, 61 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/193 variables, 0/72 constraints. Problems are: Problem set: 0 solved, 61 unsolved
At refinement iteration 7 (OVERLAPS) 0/193 variables, 0/72 constraints. Problems are: Problem set: 0 solved, 61 unsolved
No progress, stopping.
After SMT solving in domain Real declared 193/193 variables, and 72 constraints, problems are : Problem set: 0 solved, 61 unsolved in 3540 ms.
Refiners :[Generalized P Invariants (flows): 1/1 constraints, State Equation: 71/71 constraints, PredecessorRefiner: 61/61 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 61 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/66 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 61 unsolved
At refinement iteration 1 (OVERLAPS) 1/67 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 61 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/67 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 61 unsolved
At refinement iteration 3 (OVERLAPS) 122/189 variables, 67/68 constraints. Problems are: Problem set: 0 solved, 61 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/189 variables, 61/129 constraints. Problems are: Problem set: 0 solved, 61 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/189 variables, 0/129 constraints. Problems are: Problem set: 0 solved, 61 unsolved
At refinement iteration 6 (OVERLAPS) 4/193 variables, 4/133 constraints. Problems are: Problem set: 0 solved, 61 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/193 variables, 0/133 constraints. Problems are: Problem set: 0 solved, 61 unsolved
At refinement iteration 8 (OVERLAPS) 0/193 variables, 0/133 constraints. Problems are: Problem set: 0 solved, 61 unsolved
No progress, stopping.
After SMT solving in domain Int declared 193/193 variables, and 133 constraints, problems are : Problem set: 0 solved, 61 unsolved in 5262 ms.
Refiners :[Generalized P Invariants (flows): 1/1 constraints, State Equation: 71/71 constraints, PredecessorRefiner: 61/61 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 8878ms problems are : Problem set: 0 solved, 61 unsolved
Search for dead transitions found 0 dead transitions in 8915ms
Starting structural reductions in LTL mode, iteration 1 : 71/97 places, 122/168 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 9369 ms. Remains : 71/97 places, 122/168 transitions.
Starting structural reductions in LTL mode, iteration 0 : 71/71 places, 122/122 transitions.
Applied a total of 0 rules in 1 ms. Remains 71 /71 variables (removed 0) and now considering 122/122 (removed 0) transitions.
[2026-05-22 14:53:22] [INFO ] Invariant cache hit.
[2026-05-22 14:53:22] [INFO ] Implicit Places using invariants in 77 ms returned []
[2026-05-22 14:53:22] [INFO ] Invariant cache hit.
[2026-05-22 14:53:22] [INFO ] Implicit Places using invariants and state equation in 147 ms returned []
Implicit Place search using SMT with State Equation took 241 ms to find 0 implicit places.
Skipped dead transition search.
Finished structural reductions in LTL mode , in 1 iterations and 242 ms. Remains : 71/71 places, 122/122 transitions.
Support contains 69 out of 71 places after structural reductions.
[2026-05-22 14:53:22] [INFO ] Flatten gal took : 23 ms
[2026-05-22 14:53:22] [INFO ] Flatten gal took : 10 ms
[2026-05-22 14:53:22] [INFO ] Input system was already deterministic with 122 transitions.
RANDOM walk for 9434 steps (1169 resets) in 325 ms. (28 steps per ms) remains 0/23 properties
Computed a total of 71 stabilizing places and 122 stable transitions
Complete graph has no SCC; deadlocks are unavoidable. place count 71 transition count 122
Detected that all paths lead to deadlock. Applying this knowledge to assert that all AP eventually converge (and all enablings converge to false).
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((G(p0) U !p1))))'
Support contains 3 out of 71 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 71/71 places, 122/122 transitions.
Discarding 52 places :
Symmetric choice reduction at 0 with 52 rule applications. Total rules 52 place count 19 transition count 70
Iterating global reduction 0 with 52 rules applied. Total rules applied 104 place count 19 transition count 70
Ensure Unique test removed 52 transitions
Reduce isomorphic transitions removed 52 transitions.
Iterating post reduction 0 with 52 rules applied. Total rules applied 156 place count 19 transition count 18
Applied a total of 156 rules in 2 ms. Remains 19 /71 variables (removed 52) and now considering 18/122 (removed 104) transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-8142666631405631421.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-6624739615658637945.kers'
[2026-05-22 14:53:23] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-8142666631405631421.kers, --Pflows, --basisKERS=/tmp/petrispot-output-6624739615658637945.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 14:53:23] [INFO ] Computed 1 invariants in 0 ms
Computed 1 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-6624739615658637945.kers
Total runtime 1 ms.
[2026-05-22 14:53:23] [INFO ] Implicit Places using invariants in 25 ms returned []
[2026-05-22 14:53:23] [INFO ] Invariant cache hit.
[2026-05-22 14:53:23] [INFO ] Implicit Places using invariants and state equation in 28 ms returned []
Implicit Place search using SMT with State Equation took 55 ms to find 0 implicit places.
Running 9 sub problems to find dead transitions.
[2026-05-22 14:53:23] [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 173 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 211 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 403ms problems are : Problem set: 0 solved, 9 unsolved
Search for dead transitions found 0 dead transitions in 403ms
Starting structural reductions in LTL mode, iteration 1 : 19/71 places, 18/122 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 460 ms. Remains : 19/71 places, 18/122 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((G(p0) U !p1))))'
Stuttering acceptance computed with spot in 461 ms :[(OR (NOT p0) p1), (NOT p0), p1, true, (NOT p0)]
Running random walk in product with property : AirplaneLD-PT-0020-LTLFireability-00
Entered a terminal (fully accepting) state of product in 8 steps with 2 reset in 1 ms.
FORMULA AirplaneLD-PT-0020-LTLFireability-00 FALSE TECHNIQUES STUTTER_TEST
Treatment of property AirplaneLD-PT-0020-LTLFireability-00 finished in 1024 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(F((p0||G((F(p2)||p1))))))))'
Support contains 13 out of 71 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 71/71 places, 122/122 transitions.
Discarding 44 places :
Symmetric choice reduction at 0 with 44 rule applications. Total rules 44 place count 27 transition count 78
Iterating global reduction 0 with 44 rules applied. Total rules applied 88 place count 27 transition count 78
Ensure Unique test removed 44 transitions
Reduce isomorphic transitions removed 44 transitions.
Iterating post reduction 0 with 44 rules applied. Total rules applied 132 place count 27 transition count 34
Applied a total of 132 rules in 2 ms. Remains 27 /71 variables (removed 44) and now considering 34/122 (removed 88) transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-7837379349577127658.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-2705151780744886216.kers'
[2026-05-22 14:53:24] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-7837379349577127658.kers, --Pflows, --basisKERS=/tmp/petrispot-output-2705151780744886216.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 34 rows 27 cols 72 entries
Finished phase 1 with 21 SingleSign rule and 5 generalized
[2026-05-22 14:53:24] [INFO ] Computed 1 invariants in 0 ms
Computed 1 P flows in 1 ms.
Exported basis to /tmp/petrispot-output-2705151780744886216.kers
Total runtime 1 ms.
[2026-05-22 14:53:24] [INFO ] Implicit Places using invariants in 38 ms returned [26]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 40 ms to find 1 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 26/71 places, 34/122 transitions.
Applied a total of 0 rules in 1 ms. Remains 26 /26 variables (removed 0) and now considering 34/34 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 43 ms. Remains : 26/71 places, 34/122 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(F((G((F(p1)||p0))||p2))))))'
Stuttering acceptance computed with spot in 254 ms :[(AND (NOT p2) (NOT p0) (NOT p1)), (AND (NOT p2) (NOT p0) (NOT p1)), (AND (NOT p2) (NOT p0) (NOT p1)), (AND (NOT p2) (NOT p0) (NOT p1)), (AND (NOT p2) (NOT p0) (NOT p1))]
Running random walk in product with property : AirplaneLD-PT-0020-LTLFireability-01
Product exploration explored 100000 steps with 25000 reset in 287 ms.
Product exploration explored 100000 steps with 25000 reset in 151 ms.
Computed a total of 26 stabilizing places and 34 stable transitions
Complete graph has no SCC; deadlocks are unavoidable. place count 26 transition count 34
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 4 factoid took 15 ms. Proved property starting from automaton with 5 states, 7 edges and 3 AP (stutter sensitive
Knowledge-based reduction took 65 ms.
FORMULA AirplaneLD-PT-0020-LTLFireability-01 TRUE TECHNIQUES KNOWLEDGE
Treatment of property AirplaneLD-PT-0020-LTLFireability-01 finished in 836 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(X(G((p0||X(X(p1)))))))))'
Support contains 14 out of 71 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 71/71 places, 122/122 transitions.
Discarding 42 places :
Symmetric choice reduction at 0 with 42 rule applications. Total rules 42 place count 29 transition count 80
Iterating global reduction 0 with 42 rules applied. Total rules applied 84 place count 29 transition count 80
Ensure Unique test removed 42 transitions
Reduce isomorphic transitions removed 42 transitions.
Iterating post reduction 0 with 42 rules applied. Total rules applied 126 place count 29 transition count 38
Applied a total of 126 rules in 3 ms. Remains 29 /71 variables (removed 42) and now considering 38/122 (removed 84) transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-10371098652235017533.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-5379079663370511012.kers'
[2026-05-22 14:53:24] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-10371098652235017533.kers, --Pflows, --basisKERS=/tmp/petrispot-output-5379079663370511012.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 38 rows 29 cols 90 entries
Finished phase 1 with 23 SingleSign rule and 5 generalized
[2026-05-22 14:53:24] [INFO ] Computed 1 invariants in 0 ms
Computed 1 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-5379079663370511012.kers
Total runtime 0 ms.
[2026-05-22 14:53:24] [INFO ] Implicit Places using invariants in 30 ms returned []
[2026-05-22 14:53:24] [INFO ] Invariant cache hit.
[2026-05-22 14:53:25] [INFO ] Implicit Places using invariants and state equation in 40 ms returned []
Implicit Place search using SMT with State Equation took 72 ms to find 0 implicit places.
Running 19 sub problems to find dead transitions.
[2026-05-22 14:53:25] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/24 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 19 unsolved
At refinement iteration 1 (OVERLAPS) 1/25 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 19 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/25 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 19 unsolved
At refinement iteration 3 (OVERLAPS) 38/63 variables, 25/26 constraints. Problems are: Problem set: 0 solved, 19 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/63 variables, 0/26 constraints. Problems are: Problem set: 0 solved, 19 unsolved
At refinement iteration 5 (OVERLAPS) 4/67 variables, 4/30 constraints. Problems are: Problem set: 0 solved, 19 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/67 variables, 0/30 constraints. Problems are: Problem set: 0 solved, 19 unsolved
At refinement iteration 7 (OVERLAPS) 0/67 variables, 0/30 constraints. Problems are: Problem set: 0 solved, 19 unsolved
No progress, stopping.
After SMT solving in domain Real declared 67/67 variables, and 30 constraints, problems are : Problem set: 0 solved, 19 unsolved in 853 ms.
Refiners :[Generalized P Invariants (flows): 1/1 constraints, State Equation: 29/29 constraints, PredecessorRefiner: 19/19 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 19 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/24 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 19 unsolved
At refinement iteration 1 (OVERLAPS) 1/25 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 19 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/25 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 19 unsolved
At refinement iteration 3 (OVERLAPS) 38/63 variables, 25/26 constraints. Problems are: Problem set: 0 solved, 19 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/63 variables, 19/45 constraints. Problems are: Problem set: 0 solved, 19 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/63 variables, 0/45 constraints. Problems are: Problem set: 0 solved, 19 unsolved
At refinement iteration 6 (OVERLAPS) 4/67 variables, 4/49 constraints. Problems are: Problem set: 0 solved, 19 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/67 variables, 0/49 constraints. Problems are: Problem set: 0 solved, 19 unsolved
At refinement iteration 8 (OVERLAPS) 0/67 variables, 0/49 constraints. Problems are: Problem set: 0 solved, 19 unsolved
No progress, stopping.
After SMT solving in domain Int declared 67/67 variables, and 49 constraints, problems are : Problem set: 0 solved, 19 unsolved in 434 ms.
Refiners :[Generalized P Invariants (flows): 1/1 constraints, State Equation: 29/29 constraints, PredecessorRefiner: 19/19 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 1299ms problems are : Problem set: 0 solved, 19 unsolved
Search for dead transitions found 0 dead transitions in 1299ms
Starting structural reductions in LTL mode, iteration 1 : 29/71 places, 38/122 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 1374 ms. Remains : 29/71 places, 38/122 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(X(G((X(X(p0))||p1)))))))'
Stuttering acceptance computed with spot in 417 ms :[(AND (NOT p1) (NOT p0)), (AND (NOT p1) (NOT p0)), (AND (NOT p1) (NOT p0)), (AND (NOT p1) (NOT p0)), (AND (NOT p1) (NOT p0)), (NOT p0), (NOT p0), true]
Running random walk in product with property : AirplaneLD-PT-0020-LTLFireability-03
Entered a terminal (fully accepting) state of product in 474 steps with 62 reset in 4 ms.
FORMULA AirplaneLD-PT-0020-LTLFireability-03 FALSE TECHNIQUES STUTTER_TEST
Treatment of property AirplaneLD-PT-0020-LTLFireability-03 finished in 1827 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(G(p0))))'
Support contains 1 out of 71 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 71/71 places, 122/122 transitions.
Discarding 52 places :
Symmetric choice reduction at 0 with 52 rule applications. Total rules 52 place count 19 transition count 70
Iterating global reduction 0 with 52 rules applied. Total rules applied 104 place count 19 transition count 70
Ensure Unique test removed 52 transitions
Reduce isomorphic transitions removed 52 transitions.
Iterating post reduction 0 with 52 rules applied. Total rules applied 156 place count 19 transition count 18
Applied a total of 156 rules in 4 ms. Remains 19 /71 variables (removed 52) and now considering 18/122 (removed 104) transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-14535505070634462320.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-17844001964952920926.kers'
[2026-05-22 14:53:26] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-14535505070634462320.kers, --Pflows, --basisKERS=/tmp/petrispot-output-17844001964952920926.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 14:53:26] [INFO ] Computed 1 invariants in 0 ms
Computed 1 P flows in 1 ms.
Exported basis to /tmp/petrispot-output-17844001964952920926.kers
Total runtime 2 ms.
[2026-05-22 14:53:26] [INFO ] Implicit Places using invariants in 64 ms returned [18]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 66 ms to find 1 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 18/71 places, 18/122 transitions.
Applied a total of 0 rules in 0 ms. Remains 18 /18 variables (removed 0) and now considering 18/18 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 70 ms. Remains : 18/71 places, 18/122 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(G(p0))))'
Stuttering acceptance computed with spot in 195 ms :[true, (NOT p0), (NOT p0), (NOT p0)]
Running random walk in product with property : AirplaneLD-PT-0020-LTLFireability-04
Entered a terminal (fully accepting) state of product in 6 steps with 0 reset in 1 ms.
FORMULA AirplaneLD-PT-0020-LTLFireability-04 FALSE TECHNIQUES STUTTER_TEST
Treatment of property AirplaneLD-PT-0020-LTLFireability-04 finished in 298 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(p0) U X(X(X(p1))))))'
Support contains 32 out of 71 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 71/71 places, 122/122 transitions.
Discarding 24 places :
Symmetric choice reduction at 0 with 24 rule applications. Total rules 24 place count 47 transition count 98
Iterating global reduction 0 with 24 rules applied. Total rules applied 48 place count 47 transition count 98
Ensure Unique test removed 24 transitions
Reduce isomorphic transitions removed 24 transitions.
Iterating post reduction 0 with 24 rules applied. Total rules applied 72 place count 47 transition count 74
Applied a total of 72 rules in 2 ms. Remains 47 /71 variables (removed 24) and now considering 74/122 (removed 48) transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-8730484974682922072.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-11454841289467058675.kers'
[2026-05-22 14:53:27] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-8730484974682922072.kers, --Pflows, --basisKERS=/tmp/petrispot-output-11454841289467058675.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 74 rows 47 cols 172 entries
Finished phase 1 with 41 SingleSign rule and 5 generalized
[2026-05-22 14:53:27] [INFO ] Computed 1 invariants in 0 ms
Computed 1 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-11454841289467058675.kers
Total runtime 1 ms.
[2026-05-22 14:53:27] [INFO ] Implicit Places using invariants in 66 ms returned [46]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 81 ms to find 1 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 46/71 places, 74/122 transitions.
Applied a total of 0 rules in 0 ms. Remains 46 /46 variables (removed 0) and now considering 74/74 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 83 ms. Remains : 46/71 places, 74/122 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) U X(X(X(p1))))))'
Stuttering acceptance computed with spot in 687 ms :[(NOT p1), (AND (NOT p0) (NOT p1)), (NOT p1), (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1)), (NOT p1), (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1)), (NOT p1), (NOT p0)]
Running random walk in product with property : AirplaneLD-PT-0020-LTLFireability-05
Stuttering criterion allowed to conclude after 14 steps with 1 reset in 1 ms.
FORMULA AirplaneLD-PT-0020-LTLFireability-05 FALSE TECHNIQUES STUTTER_TEST
Treatment of property AirplaneLD-PT-0020-LTLFireability-05 finished in 811 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(p0) U p1)||X(X(((p2 U X(p2)) U p1)))))'
Support contains 15 out of 71 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 71/71 places, 122/122 transitions.
Discarding 41 places :
Symmetric choice reduction at 0 with 41 rule applications. Total rules 41 place count 30 transition count 81
Iterating global reduction 0 with 41 rules applied. Total rules applied 82 place count 30 transition count 81
Ensure Unique test removed 41 transitions
Reduce isomorphic transitions removed 41 transitions.
Iterating post reduction 0 with 41 rules applied. Total rules applied 123 place count 30 transition count 40
Applied a total of 123 rules in 3 ms. Remains 30 /71 variables (removed 41) and now considering 40/122 (removed 82) transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-17711894621261085201.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-2942204778097141646.kers'
[2026-05-22 14:53:27] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-17711894621261085201.kers, --Pflows, --basisKERS=/tmp/petrispot-output-2942204778097141646.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 40 rows 30 cols 84 entries
Finished phase 1 with 24 SingleSign rule and 5 generalized
[2026-05-22 14:53:27] [INFO ] Computed 1 invariants in 0 ms
Computed 1 P flows in 1 ms.
Exported basis to /tmp/petrispot-output-2942204778097141646.kers
Total runtime 1 ms.
[2026-05-22 14:53:27] [INFO ] Implicit Places using invariants in 59 ms returned []
[2026-05-22 14:53:27] [INFO ] Invariant cache hit.
[2026-05-22 14:53:28] [INFO ] Implicit Places using invariants and state equation in 67 ms returned []
Implicit Place search using SMT with State Equation took 132 ms to find 0 implicit places.
Running 20 sub problems to find dead transitions.
[2026-05-22 14:53:28] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/25 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 1 (OVERLAPS) 1/26 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/26 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 3 (OVERLAPS) 40/66 variables, 26/27 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/66 variables, 0/27 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 5 (OVERLAPS) 4/70 variables, 4/31 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/70 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 7 (OVERLAPS) 0/70 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 20 unsolved
No progress, stopping.
After SMT solving in domain Real declared 70/70 variables, and 31 constraints, problems are : Problem set: 0 solved, 20 unsolved in 654 ms.
Refiners :[Generalized P Invariants (flows): 1/1 constraints, State Equation: 30/30 constraints, PredecessorRefiner: 20/20 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 20 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/25 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 1 (OVERLAPS) 1/26 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/26 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 3 (OVERLAPS) 40/66 variables, 26/27 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/66 variables, 20/47 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/66 variables, 0/47 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 6 (OVERLAPS) 4/70 variables, 4/51 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/70 variables, 0/51 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 8 (OVERLAPS) 0/70 variables, 0/51 constraints. Problems are: Problem set: 0 solved, 20 unsolved
No progress, stopping.
After SMT solving in domain Int declared 70/70 variables, and 51 constraints, problems are : Problem set: 0 solved, 20 unsolved in 980 ms.
Refiners :[Generalized P Invariants (flows): 1/1 constraints, State Equation: 30/30 constraints, PredecessorRefiner: 20/20 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 1651ms problems are : Problem set: 0 solved, 20 unsolved
Search for dead transitions found 0 dead transitions in 1652ms
Starting structural reductions in LTL mode, iteration 1 : 30/71 places, 40/122 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 1789 ms. Remains : 30/71 places, 40/122 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(p0) U p1)||X(X(((p2 U X(p2)) U p1)))))'
Stuttering acceptance computed with spot in 448 ms :[(NOT p1), (NOT p1), (NOT p1), (NOT p1), (NOT p2), (AND (NOT p2) p1), true, (OR (AND (NOT p0) (NOT p2)) (AND (NOT p1) (NOT p2))), (AND (NOT p2) p1 (NOT p0)), (OR (NOT p0) (NOT p1))]
Running random walk in product with property : AirplaneLD-PT-0020-LTLFireability-07
Entered a terminal (fully accepting) state of product in 6 steps with 0 reset in 1 ms.
FORMULA AirplaneLD-PT-0020-LTLFireability-07 FALSE TECHNIQUES STUTTER_TEST
Treatment of property AirplaneLD-PT-0020-LTLFireability-07 finished in 2313 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((F((X(F((F(p0)||F(p1)))) U p1))&&X(p2))))'
Support contains 4 out of 71 places. Attempting structural reductions.
Property had overlarge support with respect to TGBA, discarding it for now.
Starting structural reductions in LTL mode, iteration 0 : 71/71 places, 122/122 transitions.
Discarding 50 places :
Symmetric choice reduction at 0 with 50 rule applications. Total rules 50 place count 21 transition count 72
Iterating global reduction 0 with 50 rules applied. Total rules applied 100 place count 21 transition count 72
Ensure Unique test removed 50 transitions
Reduce isomorphic transitions removed 50 transitions.
Iterating post reduction 0 with 50 rules applied. Total rules applied 150 place count 21 transition count 22
Applied a total of 150 rules in 2 ms. Remains 21 /71 variables (removed 50) and now considering 22/122 (removed 100) transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-1899941025688417695.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-14723658914017922106.kers'
[2026-05-22 14:53:30] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-1899941025688417695.kers, --Pflows, --basisKERS=/tmp/petrispot-output-14723658914017922106.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 22 rows 21 cols 48 entries
Finished phase 1 with 15 SingleSign rule and 5 generalized
[2026-05-22 14:53:30] [INFO ] Computed 1 invariants in 0 ms
Computed 1 P flows in 1 ms.
Exported basis to /tmp/petrispot-output-14723658914017922106.kers
Total runtime 1 ms.
[2026-05-22 14:53:30] [INFO ] Implicit Places using invariants in 73 ms returned []
[2026-05-22 14:53:30] [INFO ] Invariant cache hit.
[2026-05-22 14:53:30] [INFO ] Implicit Places using invariants and state equation in 36 ms returned []
Implicit Place search using SMT with State Equation took 115 ms to find 0 implicit places.
Running 11 sub problems to find dead transitions.
[2026-05-22 14:53:30] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/16 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 11 unsolved
At refinement iteration 1 (OVERLAPS) 1/17 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 11 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/17 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 11 unsolved
At refinement iteration 3 (OVERLAPS) 22/39 variables, 17/18 constraints. Problems are: Problem set: 0 solved, 11 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/39 variables, 0/18 constraints. Problems are: Problem set: 0 solved, 11 unsolved
At refinement iteration 5 (OVERLAPS) 4/43 variables, 4/22 constraints. Problems are: Problem set: 0 solved, 11 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/43 variables, 0/22 constraints. Problems are: Problem set: 0 solved, 11 unsolved
At refinement iteration 7 (OVERLAPS) 0/43 variables, 0/22 constraints. Problems are: Problem set: 0 solved, 11 unsolved
No progress, stopping.
After SMT solving in domain Real declared 43/43 variables, and 22 constraints, problems are : Problem set: 0 solved, 11 unsolved in 269 ms.
Refiners :[Generalized P Invariants (flows): 1/1 constraints, State Equation: 21/21 constraints, PredecessorRefiner: 11/11 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 11 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/16 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 11 unsolved
At refinement iteration 1 (OVERLAPS) 1/17 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 11 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/17 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 11 unsolved
At refinement iteration 3 (OVERLAPS) 22/39 variables, 17/18 constraints. Problems are: Problem set: 0 solved, 11 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/39 variables, 11/29 constraints. Problems are: Problem set: 0 solved, 11 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/39 variables, 0/29 constraints. Problems are: Problem set: 0 solved, 11 unsolved
At refinement iteration 6 (OVERLAPS) 4/43 variables, 4/33 constraints. Problems are: Problem set: 0 solved, 11 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/43 variables, 0/33 constraints. Problems are: Problem set: 0 solved, 11 unsolved
At refinement iteration 8 (OVERLAPS) 0/43 variables, 0/33 constraints. Problems are: Problem set: 0 solved, 11 unsolved
No progress, stopping.
After SMT solving in domain Int declared 43/43 variables, and 33 constraints, problems are : Problem set: 0 solved, 11 unsolved in 532 ms.
Refiners :[Generalized P Invariants (flows): 1/1 constraints, State Equation: 21/21 constraints, PredecessorRefiner: 11/11 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 807ms problems are : Problem set: 0 solved, 11 unsolved
Search for dead transitions found 0 dead transitions in 808ms
Starting structural reductions in LTL mode, iteration 1 : 21/71 places, 22/122 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 927 ms. Remains : 21/71 places, 22/122 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((F((X(F((F(p0)||F(p1)))) U p1))&&X(p2))))'
Stuttering acceptance computed with spot in 255 ms :[(OR (NOT p1) (NOT p2)), (OR (NOT p2) (NOT p1)), (NOT p2), (NOT p1), true]
Running random walk in product with property : AirplaneLD-PT-0020-LTLFireability-08
Stuttering criterion allowed to conclude after 16 steps with 2 reset in 0 ms.
FORMULA AirplaneLD-PT-0020-LTLFireability-08 FALSE TECHNIQUES STUTTER_TEST
Treatment of property AirplaneLD-PT-0020-LTLFireability-08 finished in 1243 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((p0 U X(G((p1 U p2))))))'
Support contains 7 out of 71 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 71/71 places, 122/122 transitions.
Discarding 51 places :
Symmetric choice reduction at 0 with 51 rule applications. Total rules 51 place count 20 transition count 71
Iterating global reduction 0 with 51 rules applied. Total rules applied 102 place count 20 transition count 71
Ensure Unique test removed 51 transitions
Reduce isomorphic transitions removed 51 transitions.
Iterating post reduction 0 with 51 rules applied. Total rules applied 153 place count 20 transition count 20
Applied a total of 153 rules in 3 ms. Remains 20 /71 variables (removed 51) and now considering 20/122 (removed 102) transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-8363761901282649632.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-17953589957612926900.kers'
[2026-05-22 14:53:31] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-8363761901282649632.kers, --Pflows, --basisKERS=/tmp/petrispot-output-17953589957612926900.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 14:53:31] [INFO ] Computed 1 invariants in 0 ms
Computed 1 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-17953589957612926900.kers
Total runtime 1 ms.
[2026-05-22 14:53:31] [INFO ] Implicit Places using invariants in 263 ms returned []
[2026-05-22 14:53:31] [INFO ] Invariant cache hit.
[2026-05-22 14:53:31] [INFO ] Implicit Places using invariants and state equation in 60 ms returned []
Implicit Place search using SMT with State Equation took 325 ms to find 0 implicit places.
Running 10 sub problems to find dead transitions.
[2026-05-22 14:53:31] [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 191 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 167 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 361ms problems are : Problem set: 0 solved, 10 unsolved
Search for dead transitions found 0 dead transitions in 361ms
Starting structural reductions in LTL mode, iteration 1 : 20/71 places, 20/122 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 689 ms. Remains : 20/71 places, 20/122 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((p0 U X(G((p1 U p2))))))'
Stuttering acceptance computed with spot in 216 ms :[(NOT p2), (NOT p2), (NOT p2), true, (NOT p2), (NOT p2)]
Running random walk in product with property : AirplaneLD-PT-0020-LTLFireability-10
Entered a terminal (fully accepting) state of product in 6 steps with 0 reset in 0 ms.
FORMULA AirplaneLD-PT-0020-LTLFireability-10 FALSE TECHNIQUES STUTTER_TEST
Treatment of property AirplaneLD-PT-0020-LTLFireability-10 finished in 962 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(p0)&&F(p1))))'
Support contains 3 out of 71 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 71/71 places, 122/122 transitions.
Discarding 51 places :
Symmetric choice reduction at 0 with 51 rule applications. Total rules 51 place count 20 transition count 71
Iterating global reduction 0 with 51 rules applied. Total rules applied 102 place count 20 transition count 71
Ensure Unique test removed 51 transitions
Reduce isomorphic transitions removed 51 transitions.
Iterating post reduction 0 with 51 rules applied. Total rules applied 153 place count 20 transition count 20
Applied a total of 153 rules in 1 ms. Remains 20 /71 variables (removed 51) and now considering 20/122 (removed 102) transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-1528077980692834504.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-18367384697604178609.kers'
[2026-05-22 14:53:32] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-1528077980692834504.kers, --Pflows, --basisKERS=/tmp/petrispot-output-18367384697604178609.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 14:53:32] [INFO ] Computed 1 invariants in 0 ms
Computed 1 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-18367384697604178609.kers
Total runtime 0 ms.
[2026-05-22 14:53:32] [INFO ] Implicit Places using invariants in 36 ms returned [19]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 37 ms to find 1 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 19/71 places, 20/122 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 39 ms. Remains : 19/71 places, 20/122 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(p0)&&F(p1))))'
Stuttering acceptance computed with spot in 146 ms :[(OR (NOT p0) (NOT p1)), (NOT p0), (NOT p1), true]
Running random walk in product with property : AirplaneLD-PT-0020-LTLFireability-11
Stuttering criterion allowed to conclude after 6 steps with 0 reset in 0 ms.
FORMULA AirplaneLD-PT-0020-LTLFireability-11 FALSE TECHNIQUES STUTTER_TEST
Treatment of property AirplaneLD-PT-0020-LTLFireability-11 finished in 217 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(p0) U G(p1)))'
Support contains 5 out of 71 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 71/71 places, 122/122 transitions.
Discarding 50 places :
Symmetric choice reduction at 0 with 50 rule applications. Total rules 50 place count 21 transition count 72
Iterating global reduction 0 with 50 rules applied. Total rules applied 100 place count 21 transition count 72
Ensure Unique test removed 50 transitions
Reduce isomorphic transitions removed 50 transitions.
Iterating post reduction 0 with 50 rules applied. Total rules applied 150 place count 21 transition count 22
Applied a total of 150 rules in 2 ms. Remains 21 /71 variables (removed 50) and now considering 22/122 (removed 100) transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-2189097886708863189.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-10036602279443394004.kers'
[2026-05-22 14:53:32] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-2189097886708863189.kers, --Pflows, --basisKERS=/tmp/petrispot-output-10036602279443394004.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 22 rows 21 cols 48 entries
Finished phase 1 with 15 SingleSign rule and 5 generalized
[2026-05-22 14:53:32] [INFO ] Computed 1 invariants in 0 ms
Computed 1 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-10036602279443394004.kers
Total runtime 0 ms.
[2026-05-22 14:53:32] [INFO ] Implicit Places using invariants in 38 ms returned [20]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 39 ms to find 1 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 20/71 places, 22/122 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 42 ms. Remains : 20/71 places, 22/122 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(p0) U G(p1)))'
Stuttering acceptance computed with spot in 218 ms :[(NOT p1), (NOT p0), (AND (NOT p1) (NOT p0)), true, (AND (NOT p1) p0)]
Running random walk in product with property : AirplaneLD-PT-0020-LTLFireability-12
Entered a terminal (fully accepting) state of product in 42 steps with 13 reset in 0 ms.
FORMULA AirplaneLD-PT-0020-LTLFireability-12 FALSE TECHNIQUES STUTTER_TEST
Treatment of property AirplaneLD-PT-0020-LTLFireability-12 finished in 290 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||X(p1)) U G(p1))&&(X(p2) U ((!p0&&X(p2))||X(G(p2))))))'
Support contains 4 out of 71 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 71/71 places, 122/122 transitions.
Discarding 52 places :
Symmetric choice reduction at 0 with 52 rule applications. Total rules 52 place count 19 transition count 70
Iterating global reduction 0 with 52 rules applied. Total rules applied 104 place count 19 transition count 70
Ensure Unique test removed 52 transitions
Reduce isomorphic transitions removed 52 transitions.
Iterating post reduction 0 with 52 rules applied. Total rules applied 156 place count 19 transition count 18
Applied a total of 156 rules in 2 ms. Remains 19 /71 variables (removed 52) and now considering 18/122 (removed 104) transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-1790664026903526101.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-3887679544496575996.kers'
[2026-05-22 14:53:32] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-1790664026903526101.kers, --Pflows, --basisKERS=/tmp/petrispot-output-3887679544496575996.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 14:53:32] [INFO ] Computed 1 invariants in 0 ms
Computed 1 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-3887679544496575996.kers
Total runtime 0 ms.
[2026-05-22 14:53:32] [INFO ] Implicit Places using invariants in 35 ms returned []
[2026-05-22 14:53:32] [INFO ] Invariant cache hit.
[2026-05-22 14:53:33] [INFO ] Implicit Places using invariants and state equation in 60 ms returned []
Implicit Place search using SMT with State Equation took 100 ms to find 0 implicit places.
Running 9 sub problems to find dead transitions.
[2026-05-22 14:53:33] [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 161 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 126 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 313ms problems are : Problem set: 0 solved, 9 unsolved
Search for dead transitions found 0 dead transitions in 313ms
Starting structural reductions in LTL mode, iteration 1 : 19/71 places, 18/122 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 417 ms. Remains : 19/71 places, 18/122 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||X(p1)) U G(p1))&&(X(p2) U ((!p0&&X(p2))||X(G(p2))))))'
Stuttering acceptance computed with spot in 162 ms :[(OR (NOT p1) (NOT p2)), (NOT p1), (NOT p1), (NOT p2), (NOT p2), true]
Running random walk in product with property : AirplaneLD-PT-0020-LTLFireability-13
Entered a terminal (fully accepting) state of product in 4 steps with 1 reset in 1 ms.
FORMULA AirplaneLD-PT-0020-LTLFireability-13 FALSE TECHNIQUES STUTTER_TEST
Treatment of property AirplaneLD-PT-0020-LTLFireability-13 finished in 608 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)||G(p1)))'
Support contains 3 out of 71 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 71/71 places, 122/122 transitions.
Discarding 50 places :
Symmetric choice reduction at 0 with 50 rule applications. Total rules 50 place count 21 transition count 72
Iterating global reduction 0 with 50 rules applied. Total rules applied 100 place count 21 transition count 72
Ensure Unique test removed 50 transitions
Reduce isomorphic transitions removed 50 transitions.
Iterating post reduction 0 with 50 rules applied. Total rules applied 150 place count 21 transition count 22
Applied a total of 150 rules in 5 ms. Remains 21 /71 variables (removed 50) and now considering 22/122 (removed 100) transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-1461692922262402097.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-2678982475919689754.kers'
[2026-05-22 14:53:33] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-1461692922262402097.kers, --Pflows, --basisKERS=/tmp/petrispot-output-2678982475919689754.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 22 rows 21 cols 48 entries
Finished phase 1 with 15 SingleSign rule and 5 generalized
[2026-05-22 14:53:33] [INFO ] Computed 1 invariants in 0 ms
Computed 1 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-2678982475919689754.kers
Total runtime 0 ms.
[2026-05-22 14:53:33] [INFO ] Implicit Places using invariants in 29 ms returned [20]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 32 ms to find 1 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 20/71 places, 22/122 transitions.
Graph (complete) has 18 edges and 20 vertex of which 19 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 19 transition count 20
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 1 with 1 rules applied. Total rules applied 3 place count 18 transition count 20
Applied a total of 3 rules in 12 ms. Remains 18 /20 variables (removed 2) and now considering 20/22 (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-5894374049781195258.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-7764002225772062882.kers'
[2026-05-22 14:53:33] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-5894374049781195258.kers, --Pflows, --basisKERS=/tmp/petrispot-output-7764002225772062882.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 20 rows 18 cols 42 entries
Finished phase 1 with 18 SingleSign rule and 0 generalized
[2026-05-22 14:53:33] [INFO ] Computed 0 invariants in 0 ms
Computed 0 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-7764002225772062882.kers
Total runtime 0 ms.
[2026-05-22 14:53:33] [INFO ] Implicit Places using invariants in 21 ms returned []
[2026-05-22 14:53:33] [INFO ] Invariant cache hit.
[2026-05-22 14:53:33] [INFO ] Implicit Places using invariants and state equation in 29 ms returned []
Implicit Place search using SMT with State Equation took 52 ms to find 0 implicit places.
Starting structural reductions in SI_LTL mode, iteration 2 : 18/71 places, 20/122 transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 101 ms. Remains : 18/71 places, 20/122 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)||G(p1)))'
Stuttering acceptance computed with spot in 68 ms :[(NOT p0), (AND (NOT p0) (NOT p1))]
Running random walk in product with property : AirplaneLD-PT-0020-LTLFireability-14
Stuttering criterion allowed to conclude after 5 steps with 0 reset in 0 ms.
FORMULA AirplaneLD-PT-0020-LTLFireability-14 FALSE TECHNIQUES STUTTER_TEST
Treatment of property AirplaneLD-PT-0020-LTLFireability-14 finished in 189 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(F((G(!p0)||G(!p1)||(X((!p0||G(!p1)))&&F(p2))))))'
Support contains 5 out of 71 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 71/71 places, 122/122 transitions.
Discarding 51 places :
Symmetric choice reduction at 0 with 51 rule applications. Total rules 51 place count 20 transition count 71
Iterating global reduction 0 with 51 rules applied. Total rules applied 102 place count 20 transition count 71
Ensure Unique test removed 51 transitions
Reduce isomorphic transitions removed 51 transitions.
Iterating post reduction 0 with 51 rules applied. Total rules applied 153 place count 20 transition count 20
Applied a total of 153 rules in 4 ms. Remains 20 /71 variables (removed 51) and now considering 20/122 (removed 102) transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-633810669009263532.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-4791106218192702034.kers'
[2026-05-22 14:53:33] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-633810669009263532.kers, --Pflows, --basisKERS=/tmp/petrispot-output-4791106218192702034.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 14:53:33] [INFO ] Computed 1 invariants in 0 ms
Computed 1 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-4791106218192702034.kers
Total runtime 0 ms.
[2026-05-22 14:53:33] [INFO ] Implicit Places using invariants in 45 ms returned []
[2026-05-22 14:53:33] [INFO ] Invariant cache hit.
[2026-05-22 14:53:33] [INFO ] Implicit Places using invariants and state equation in 63 ms returned []
Implicit Place search using SMT with State Equation took 120 ms to find 0 implicit places.
Running 10 sub problems to find dead transitions.
[2026-05-22 14:53:33] [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 233 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 150 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 388ms problems are : Problem set: 0 solved, 10 unsolved
Search for dead transitions found 0 dead transitions in 388ms
Starting structural reductions in LTL mode, iteration 1 : 20/71 places, 20/122 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 512 ms. Remains : 20/71 places, 20/122 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(F((G(p0)||G(p1)||(X((p0||G(p1)))&&F(p2))))))'
Stuttering acceptance computed with spot in 205 ms :[(AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1)), (AND (NOT p2) (NOT p0) (NOT p1)), (AND (NOT p2) (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1))]
Running random walk in product with property : AirplaneLD-PT-0020-LTLFireability-15
Product exploration explored 100000 steps with 18884 reset in 305 ms.
Product exploration explored 100000 steps with 18904 reset in 146 ms.
Computed a total of 20 stabilizing places and 20 stable transitions
Complete graph has no SCC; deadlocks are unavoidable. place count 20 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 8 factoid took 15 ms. Proved property starting from automaton with 5 states, 13 edges and 3 AP (stutter sensitive
Knowledge-based reduction took 49 ms.
FORMULA AirplaneLD-PT-0020-LTLFireability-15 TRUE TECHNIQUES KNOWLEDGE
Treatment of property AirplaneLD-PT-0020-LTLFireability-15 finished in 1257 ms.
All properties solved by simple procedures.
Total runtime 22644 ms.

BK_STOP 1779461615379

--------------------
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-0020"
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-0020, 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-oct2-177944365900084"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/AirplaneLD-PT-0020.tgz
mv AirplaneLD-PT-0020 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 ;