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-oct2-177944365900076.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-0010, examination is LTLFireability
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r002-oct2-177944365900076
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 708K
-rw-r--r-- 1 mcc users 18K Mar 4 17:17 CTLCardinality.txt
-rw-r--r-- 1 mcc users 128K Mar 4 17:17 CTLCardinality.xml
-rw-r--r-- 1 mcc users 12K Mar 4 17:16 CTLFireability.txt
-rw-r--r-- 1 mcc users 89K Mar 4 17:16 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 7.3K Mar 15 06:59 LTLCardinality.txt
-rw-r--r-- 1 mcc users 38K Mar 15 06:59 LTLCardinality.xml
-rw-r--r-- 1 mcc users 4.9K Mar 15 06:59 LTLFireability.txt
-rw-r--r-- 1 mcc users 30K Mar 15 06:59 LTLFireability.xml
-rw-r--r-- 1 mcc users 28K Mar 4 17:17 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 174K Mar 4 17:17 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 9.8K Mar 4 17:17 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 64K Mar 4 17:17 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 2.7K Mar 15 06:59 UpperBounds.txt
-rw-r--r-- 1 mcc users 5.5K Mar 15 06:59 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 48K 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-0010-LTLFireability-00
FORMULA_NAME AirplaneLD-PT-0010-LTLFireability-01
FORMULA_NAME AirplaneLD-PT-0010-LTLFireability-02
FORMULA_NAME AirplaneLD-PT-0010-LTLFireability-03
FORMULA_NAME AirplaneLD-PT-0010-LTLFireability-04
FORMULA_NAME AirplaneLD-PT-0010-LTLFireability-05
FORMULA_NAME AirplaneLD-PT-0010-LTLFireability-06
FORMULA_NAME AirplaneLD-PT-0010-LTLFireability-07
FORMULA_NAME AirplaneLD-PT-0010-LTLFireability-08
FORMULA_NAME AirplaneLD-PT-0010-LTLFireability-09
FORMULA_NAME AirplaneLD-PT-0010-LTLFireability-10
FORMULA_NAME AirplaneLD-PT-0010-LTLFireability-11
FORMULA_NAME AirplaneLD-PT-0010-LTLFireability-12
FORMULA_NAME AirplaneLD-PT-0010-LTLFireability-13
FORMULA_NAME AirplaneLD-PT-0010-LTLFireability-14
FORMULA_NAME AirplaneLD-PT-0010-LTLFireability-15

=== Now, execution of the tool begins

BK_START 1779461576730

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-0010
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
LTLFireability PT
Running Version 202604301425
[2026-05-22 14:52:58] [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 14:52:58] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-05-22 14:52:58] [INFO ] Load time of PNML (sax parser for PT used): 77 ms
[2026-05-22 14:52:58] [INFO ] Transformed 89 places.
[2026-05-22 14:52:58] [INFO ] Transformed 88 transitions.
[2026-05-22 14:52:58] [INFO ] Found NUPN structural information;
[2026-05-22 14:52:58] [INFO ] Parsed PT model containing 89 places and 88 transitions and 333 arcs in 231 ms.
Parsed 16 properties from file /home/mcc/execution/LTLFireability.xml in 18 ms.
Working with output stream class java.io.PrintStream
Initial state reduction rules removed 3 formulas.
Reduce places removed 32 places and 0 transitions.
FORMULA AirplaneLD-PT-0010-LTLFireability-05 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA AirplaneLD-PT-0010-LTLFireability-06 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA AirplaneLD-PT-0010-LTLFireability-09 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Support contains 40 out of 57 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 57/57 places, 88/88 transitions.
Reduce places removed 3 places and 0 transitions.
Iterating post reduction 0 with 3 rules applied. Total rules applied 3 place count 54 transition count 88
Discarding 11 places :
Symmetric choice reduction at 1 with 11 rule applications. Total rules 14 place count 43 transition count 77
Iterating global reduction 1 with 11 rules applied. Total rules applied 25 place count 43 transition count 77
Ensure Unique test removed 11 transitions
Reduce isomorphic transitions removed 11 transitions.
Iterating post reduction 1 with 11 rules applied. Total rules applied 36 place count 43 transition count 66
Applied a total of 36 rules in 30 ms. Remains 43 /57 variables (removed 14) and now considering 66/88 (removed 22) transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-9742291654194541763.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-7416146104699443157.kers'
[2026-05-22 14:52:58] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-9742291654194541763.kers, --Pflows, --basisKERS=/tmp/petrispot-output-7416146104699443157.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 66 rows 43 cols 147 entries
Finished phase 1 with 37 SingleSign rule and 5 generalized
[2026-05-22 14:52:58] [INFO ] Computed 1 invariants in 0 ms
Computed 1 P flows in 2 ms.
Exported basis to /tmp/petrispot-output-7416146104699443157.kers
Total runtime 2 ms.
[2026-05-22 14:52:59] [INFO ] Implicit Places using invariants in 275 ms returned []
[2026-05-22 14:52:59] [INFO ] Invariant cache hit.
[2026-05-22 14:52:59] [INFO ] Implicit Places using invariants and state equation in 74 ms returned []
Implicit Place search using SMT with State Equation took 385 ms to find 0 implicit places.
Running 33 sub problems to find dead transitions.
[2026-05-22 14:52:59] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/38 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 33 unsolved
At refinement iteration 1 (OVERLAPS) 1/39 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 33 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/39 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 33 unsolved
At refinement iteration 3 (OVERLAPS) 66/105 variables, 39/40 constraints. Problems are: Problem set: 0 solved, 33 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/105 variables, 0/40 constraints. Problems are: Problem set: 0 solved, 33 unsolved
At refinement iteration 5 (OVERLAPS) 4/109 variables, 4/44 constraints. Problems are: Problem set: 0 solved, 33 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/109 variables, 0/44 constraints. Problems are: Problem set: 0 solved, 33 unsolved
At refinement iteration 7 (OVERLAPS) 0/109 variables, 0/44 constraints. Problems are: Problem set: 0 solved, 33 unsolved
No progress, stopping.
After SMT solving in domain Real declared 109/109 variables, and 44 constraints, problems are : Problem set: 0 solved, 33 unsolved in 1505 ms.
Refiners :[Generalized P Invariants (flows): 1/1 constraints, State Equation: 43/43 constraints, PredecessorRefiner: 33/33 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 33 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/38 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 33 unsolved
At refinement iteration 1 (OVERLAPS) 1/39 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 33 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/39 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 33 unsolved
At refinement iteration 3 (OVERLAPS) 66/105 variables, 39/40 constraints. Problems are: Problem set: 0 solved, 33 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/105 variables, 33/73 constraints. Problems are: Problem set: 0 solved, 33 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/105 variables, 0/73 constraints. Problems are: Problem set: 0 solved, 33 unsolved
At refinement iteration 6 (OVERLAPS) 4/109 variables, 4/77 constraints. Problems are: Problem set: 0 solved, 33 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/109 variables, 0/77 constraints. Problems are: Problem set: 0 solved, 33 unsolved
At refinement iteration 8 (OVERLAPS) 0/109 variables, 0/77 constraints. Problems are: Problem set: 0 solved, 33 unsolved
No progress, stopping.
After SMT solving in domain Int declared 109/109 variables, and 77 constraints, problems are : Problem set: 0 solved, 33 unsolved in 1441 ms.
Refiners :[Generalized P Invariants (flows): 1/1 constraints, State Equation: 43/43 constraints, PredecessorRefiner: 33/33 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 3016ms problems are : Problem set: 0 solved, 33 unsolved
Search for dead transitions found 0 dead transitions in 3027ms
Starting structural reductions in LTL mode, iteration 1 : 43/57 places, 66/88 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 3480 ms. Remains : 43/57 places, 66/88 transitions.
Starting structural reductions in LTL mode, iteration 0 : 43/43 places, 66/66 transitions.
Applied a total of 0 rules in 0 ms. Remains 43 /43 variables (removed 0) and now considering 66/66 (removed 0) transitions.
[2026-05-22 14:53:02] [INFO ] Invariant cache hit.
[2026-05-22 14:53:02] [INFO ] Implicit Places using invariants in 55 ms returned []
[2026-05-22 14:53:02] [INFO ] Invariant cache hit.
[2026-05-22 14:53:02] [INFO ] Implicit Places using invariants and state equation in 39 ms returned []
Implicit Place search using SMT with State Equation took 97 ms to find 0 implicit places.
Skipped dead transition search.
Finished structural reductions in LTL mode , in 1 iterations and 97 ms. Remains : 43/43 places, 66/66 transitions.
Support contains 40 out of 43 places after structural reductions.
[2026-05-22 14:53:02] [INFO ] Flatten gal took : 29 ms
[2026-05-22 14:53:02] [INFO ] Flatten gal took : 8 ms
[2026-05-22 14:53:02] [INFO ] Input system was already deterministic with 66 transitions.
Reduction of identical properties reduced properties to check from 24 to 23
RANDOM walk for 8343 steps (1036 resets) in 297 ms. (27 steps per ms) remains 0/23 properties
Computed a total of 43 stabilizing places and 66 stable transitions
Complete graph has no SCC; deadlocks are unavoidable. place count 43 transition count 66
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' '!(G((X(p0)||F((p1||(X(!p2)&&F(p3))||G(!p2))))))'
Support contains 12 out of 43 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 43/43 places, 66/66 transitions.
Discarding 15 places :
Symmetric choice reduction at 0 with 15 rule applications. Total rules 15 place count 28 transition count 51
Iterating global reduction 0 with 15 rules applied. Total rules applied 30 place count 28 transition count 51
Ensure Unique test removed 15 transitions
Reduce isomorphic transitions removed 15 transitions.
Iterating post reduction 0 with 15 rules applied. Total rules applied 45 place count 28 transition count 36
Applied a total of 45 rules in 2 ms. Remains 28 /43 variables (removed 15) and now considering 36/66 (removed 30) transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-8648097427013737448.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-4948096705781321549.kers'
[2026-05-22 14:53:03] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-8648097427013737448.kers, --Pflows, --basisKERS=/tmp/petrispot-output-4948096705781321549.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 36 rows 28 cols 76 entries
Finished phase 1 with 22 SingleSign rule and 5 generalized
[2026-05-22 14:53:03] [INFO ] Computed 1 invariants in 0 ms
Computed 1 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-4948096705781321549.kers
Total runtime 0 ms.
[2026-05-22 14:53:03] [INFO ] Implicit Places using invariants in 48 ms returned [27]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 52 ms to find 1 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 27/43 places, 36/66 transitions.
Applied a total of 0 rules in 1 ms. Remains 27 /27 variables (removed 0) and now considering 36/36 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 56 ms. Remains : 27/43 places, 36/66 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||(X(p2)&&F(p3))||G(p2))))))'
Stuttering acceptance computed with spot in 488 ms :[(AND (NOT p0) (NOT p1) (NOT p2)), (AND (NOT p0) (NOT p1) (NOT p2)), false, (AND (NOT p1) (NOT p2)), (AND (NOT p1) (NOT p3) (NOT p2))]
Running random walk in product with property : AirplaneLD-PT-0010-LTLFireability-00
Product exploration explored 100000 steps with 12580 reset in 258 ms.
Product exploration explored 100000 steps with 12600 reset in 224 ms.
Computed a total of 27 stabilizing places and 36 stable transitions
Complete graph has no SCC; deadlocks are unavoidable. place count 27 transition count 36
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 16 ms. Proved property starting from automaton with 5 states, 10 edges and 4 AP (stutter sensitive
Knowledge-based reduction took 56 ms.
FORMULA AirplaneLD-PT-0010-LTLFireability-00 TRUE TECHNIQUES KNOWLEDGE
Treatment of property AirplaneLD-PT-0010-LTLFireability-00 finished in 1217 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 1 out of 43 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 43/43 places, 66/66 transitions.
Graph (complete) has 52 edges and 43 vertex of which 1 are kept as prefixes of interest. Removing 42 places using SCC suffix rule.1 ms
Discarding 42 places :
Also discarding 53 output transitions
Drop transitions (Output transitions of discarded places.) removed 53 transitions
Ensure Unique test removed 12 transitions
Reduce isomorphic transitions removed 12 transitions.
Iterating post reduction 0 with 12 rules applied. Total rules applied 13 place count 1 transition count 1
Applied a total of 13 rules in 7 ms. Remains 1 /43 variables (removed 42) and now considering 1/66 (removed 65) transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-13504108071369057880.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-18200830266922551265.kers'
[2026-05-22 14:53:04] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-13504108071369057880.kers, --Pflows, --basisKERS=/tmp/petrispot-output-18200830266922551265.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 1 rows 1 cols 1 entries
Finished phase 1 with 1 SingleSign rule and 0 generalized
[2026-05-22 14:53:04] [INFO ] Computed 0 invariants in 0 ms
Computed 0 P flows in 4 ms.
Exported basis to /tmp/petrispot-output-18200830266922551265.kers
Total runtime 4 ms.
[2026-05-22 14:53:04] [INFO ] Implicit Places using invariants in 19 ms returned []
[2026-05-22 14:53:04] [INFO ] Invariant cache hit.
[2026-05-22 14:53:04] [INFO ] Implicit Places using invariants and state equation in 37 ms returned []
Implicit Place search using SMT with State Equation took 57 ms to find 0 implicit places.
[2026-05-22 14:53:04] [INFO ] Redundant transitions in 0 ms returned []
Running 0 sub problems to find dead transitions.
Search for dead transitions found 0 dead transitions in 0ms
Starting structural reductions in SI_LTL mode, iteration 1 : 1/43 places, 1/66 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 71 ms. Remains : 1/43 places, 1/66 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 36 ms :[(NOT p0)]
Running random walk in product with property : AirplaneLD-PT-0010-LTLFireability-01
Stuttering criterion allowed to conclude after 1 steps with 0 reset in 1 ms.
FORMULA AirplaneLD-PT-0010-LTLFireability-01 FALSE TECHNIQUES STUTTER_TEST
Treatment of property AirplaneLD-PT-0010-LTLFireability-01 finished in 140 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)&&F(G(!p1)))))'
Support contains 2 out of 43 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 43/43 places, 66/66 transitions.
Graph (complete) has 52 edges and 43 vertex of which 2 are kept as prefixes of interest. Removing 41 places using SCC suffix rule.1 ms
Discarding 41 places :
Also discarding 51 output transitions
Drop transitions (Output transitions of discarded places.) removed 51 transitions
Ensure Unique test removed 13 transitions
Reduce isomorphic transitions removed 13 transitions.
Iterating post reduction 0 with 13 rules applied. Total rules applied 14 place count 2 transition count 2
Applied a total of 14 rules in 1 ms. Remains 2 /43 variables (removed 41) and now considering 2/66 (removed 64) transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-13001606618811291827.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-16803782378355551179.kers'
[2026-05-22 14:53:04] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-13001606618811291827.kers, --Pflows, --basisKERS=/tmp/petrispot-output-16803782378355551179.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 2 rows 2 cols 2 entries
Finished phase 1 with 2 SingleSign rule and 0 generalized
[2026-05-22 14:53:04] [INFO ] Computed 0 invariants in 0 ms
Computed 0 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-16803782378355551179.kers
Total runtime 0 ms.
[2026-05-22 14:53:04] [INFO ] Implicit Places using invariants in 15 ms returned []
[2026-05-22 14:53:04] [INFO ] Invariant cache hit.
[2026-05-22 14:53:04] [INFO ] Implicit Places using invariants and state equation in 17 ms returned []
Implicit Place search using SMT with State Equation took 61 ms to find 0 implicit places.
[2026-05-22 14:53:04] [INFO ] Redundant transitions in 0 ms returned []
Running 0 sub problems to find dead transitions.
Search for dead transitions found 0 dead transitions in 0ms
Starting structural reductions in SI_LTL mode, iteration 1 : 2/43 places, 2/66 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 66 ms. Remains : 2/43 places, 2/66 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)&&F(G(p1)))))'
Stuttering acceptance computed with spot in 135 ms :[(OR (NOT p0) (NOT p1)), (NOT p0), (NOT p1)]
Running random walk in product with property : AirplaneLD-PT-0010-LTLFireability-02
Product exploration explored 100000 steps with 35296 reset in 200 ms.
Product exploration explored 100000 steps with 35269 reset in 175 ms.
Computed a total of 2 stabilizing places and 2 stable transitions
Complete graph has no SCC; deadlocks are unavoidable. place count 2 transition count 2
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 5 factoid took 10 ms. Proved property starting from automaton with 3 states, 6 edges and 2 AP (stutter insensitive
Knowledge-based reduction took 87 ms.
FORMULA AirplaneLD-PT-0010-LTLFireability-02 TRUE TECHNIQUES KNOWLEDGE
Treatment of property AirplaneLD-PT-0010-LTLFireability-02 finished in 698 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(p0) U X((F(!p1)&&(G(p3)||p2)))))'
Support contains 19 out of 43 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 43/43 places, 66/66 transitions.
Discarding 11 places :
Symmetric choice reduction at 0 with 11 rule applications. Total rules 11 place count 32 transition count 55
Iterating global reduction 0 with 11 rules applied. Total rules applied 22 place count 32 transition count 55
Ensure Unique test removed 11 transitions
Reduce isomorphic transitions removed 11 transitions.
Iterating post reduction 0 with 11 rules applied. Total rules applied 33 place count 32 transition count 44
Applied a total of 33 rules in 1 ms. Remains 32 /43 variables (removed 11) and now considering 44/66 (removed 22) transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-4691278415966111224.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-14694449523436824741.kers'
[2026-05-22 14:53:05] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-4691278415966111224.kers, --Pflows, --basisKERS=/tmp/petrispot-output-14694449523436824741.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 44 rows 32 cols 102 entries
Finished phase 1 with 26 SingleSign rule and 5 generalized
[2026-05-22 14:53:05] [INFO ] Computed 1 invariants in 0 ms
Computed 1 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-14694449523436824741.kers
Total runtime 0 ms.
[2026-05-22 14:53:05] [INFO ] Implicit Places using invariants in 27 ms returned [31]
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 : 31/43 places, 44/66 transitions.
Applied a total of 0 rules in 1 ms. Remains 31 /31 variables (removed 0) and now considering 44/44 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 29 ms. Remains : 31/43 places, 44/66 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(p0) U X((F(!p1)&&(G(p3)||p2)))))'
Stuttering acceptance computed with spot in 437 ms :[(OR p1 (AND (NOT p2) (NOT p3))), (OR p1 (AND (NOT p2) (NOT p3))), (OR p1 (AND (NOT p2) (NOT p3))), true, p1, (NOT p3), (NOT p0), (AND (NOT p3) (NOT p0)), (AND p1 (NOT p3) p2), (OR (AND (NOT p2) (NOT p3)) (AND p1 (NOT p3))), (AND p1 (NOT p3))]
Running random walk in product with property : AirplaneLD-PT-0010-LTLFireability-03
Entered a terminal (fully accepting) state of product in 2 steps with 0 reset in 0 ms.
FORMULA AirplaneLD-PT-0010-LTLFireability-03 FALSE TECHNIQUES STUTTER_TEST
Treatment of property AirplaneLD-PT-0010-LTLFireability-03 finished in 511 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))'
Support contains 14 out of 43 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 43/43 places, 66/66 transitions.
Graph (complete) has 52 edges and 43 vertex of which 23 are kept as prefixes of interest. Removing 20 places using SCC suffix rule.0 ms
Discarding 20 places :
Also discarding 32 output transitions
Drop transitions (Output transitions of discarded places.) removed 32 transitions
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 2 place count 22 transition count 33
Iterating global reduction 0 with 1 rules applied. Total rules applied 3 place count 22 transition count 33
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 0 with 1 rules applied. Total rules applied 4 place count 22 transition count 32
Applied a total of 4 rules in 5 ms. Remains 22 /43 variables (removed 21) and now considering 32/66 (removed 34) transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-14551501722182236012.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-5097770007447892381.kers'
[2026-05-22 14:53:05] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-14551501722182236012.kers, --Pflows, --basisKERS=/tmp/petrispot-output-5097770007447892381.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 32 rows 22 cols 66 entries
Finished phase 1 with 18 SingleSign rule and 3 generalized
[2026-05-22 14:53:05] [INFO ] Computed 1 invariants in 0 ms
Computed 1 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-5097770007447892381.kers
Total runtime 0 ms.
[2026-05-22 14:53:05] [INFO ] Implicit Places using invariants in 48 ms returned []
[2026-05-22 14:53:05] [INFO ] Invariant cache hit.
[2026-05-22 14:53:05] [INFO ] Implicit Places using invariants and state equation in 31 ms returned []
Implicit Place search using SMT with State Equation took 80 ms to find 0 implicit places.
[2026-05-22 14:53:05] [INFO ] Redundant transitions in 0 ms returned []
Running 16 sub problems to find dead transitions.
[2026-05-22 14:53:05] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/19 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 1 (OVERLAPS) 1/20 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/20 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 3 (OVERLAPS) 32/52 variables, 20/21 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/52 variables, 0/21 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 5 (OVERLAPS) 2/54 variables, 2/23 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/54 variables, 0/23 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 7 (OVERLAPS) 0/54 variables, 0/23 constraints. Problems are: Problem set: 0 solved, 16 unsolved
No progress, stopping.
After SMT solving in domain Real declared 54/54 variables, and 23 constraints, problems are : Problem set: 0 solved, 16 unsolved in 786 ms.
Refiners :[Generalized P Invariants (flows): 1/1 constraints, State Equation: 22/22 constraints, PredecessorRefiner: 16/16 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 16 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/19 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 1 (OVERLAPS) 1/20 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/20 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 3 (OVERLAPS) 32/52 variables, 20/21 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/52 variables, 16/37 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/52 variables, 0/37 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 6 (OVERLAPS) 2/54 variables, 2/39 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/54 variables, 0/39 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 8 (OVERLAPS) 0/54 variables, 0/39 constraints. Problems are: Problem set: 0 solved, 16 unsolved
No progress, stopping.
After SMT solving in domain Int declared 54/54 variables, and 39 constraints, problems are : Problem set: 0 solved, 16 unsolved in 767 ms.
Refiners :[Generalized P Invariants (flows): 1/1 constraints, State Equation: 22/22 constraints, PredecessorRefiner: 16/16 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 1573ms problems are : Problem set: 0 solved, 16 unsolved
Search for dead transitions found 0 dead transitions in 1575ms
Starting structural reductions in SI_LTL mode, iteration 1 : 22/43 places, 32/66 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 1668 ms. Remains : 22/43 places, 32/66 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 38 ms :[(NOT p0)]
Running random walk in product with property : AirplaneLD-PT-0010-LTLFireability-04
Stuttering criterion allowed to conclude after 4 steps with 0 reset in 0 ms.
FORMULA AirplaneLD-PT-0010-LTLFireability-04 FALSE TECHNIQUES STUTTER_TEST
Treatment of property AirplaneLD-PT-0010-LTLFireability-04 finished in 1735 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(p0))&&X((G(p1)||(p2&&X(p3))))))'
Support contains 19 out of 43 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 43/43 places, 66/66 transitions.
Discarding 10 places :
Symmetric choice reduction at 0 with 10 rule applications. Total rules 10 place count 33 transition count 56
Iterating global reduction 0 with 10 rules applied. Total rules applied 20 place count 33 transition count 56
Ensure Unique test removed 10 transitions
Reduce isomorphic transitions removed 10 transitions.
Iterating post reduction 0 with 10 rules applied. Total rules applied 30 place count 33 transition count 46
Applied a total of 30 rules in 1 ms. Remains 33 /43 variables (removed 10) and now considering 46/66 (removed 20) transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-2208936914021454889.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-10969498663834519403.kers'
[2026-05-22 14:53:07] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-2208936914021454889.kers, --Pflows, --basisKERS=/tmp/petrispot-output-10969498663834519403.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 46 rows 33 cols 106 entries
Finished phase 1 with 27 SingleSign rule and 5 generalized
[2026-05-22 14:53:07] [INFO ] Computed 1 invariants in 0 ms
Computed 1 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-10969498663834519403.kers
Total runtime 0 ms.
[2026-05-22 14:53:07] [INFO ] Implicit Places using invariants in 34 ms returned [32]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 36 ms to find 1 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 32/43 places, 46/66 transitions.
Applied a total of 0 rules in 0 ms. Remains 32 /32 variables (removed 0) and now considering 46/46 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 37 ms. Remains : 32/43 places, 46/66 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(p0))&&X((G(p1)||(p2&&X(p3))))))'
Stuttering acceptance computed with spot in 242 ms :[(OR (NOT p0) (AND (NOT p1) (NOT p2)) (AND (NOT p1) (NOT p3))), (NOT p0), (OR (AND (NOT p1) (NOT p2)) (AND (NOT p1) (NOT p3))), (NOT p0), true, (NOT p1), (NOT p3), (AND (NOT p1) (NOT p3))]
Running random walk in product with property : AirplaneLD-PT-0010-LTLFireability-07
Entered a terminal (fully accepting) state of product in 2 steps with 0 reset in 0 ms.
FORMULA AirplaneLD-PT-0010-LTLFireability-07 FALSE TECHNIQUES STUTTER_TEST
Treatment of property AirplaneLD-PT-0010-LTLFireability-07 finished in 306 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 !p1) U X(!p1))||G(p2)))'
Support contains 4 out of 43 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 43/43 places, 66/66 transitions.
Discarding 24 places :
Symmetric choice reduction at 0 with 24 rule applications. Total rules 24 place count 19 transition count 42
Iterating global reduction 0 with 24 rules applied. Total rules applied 48 place count 19 transition count 42
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 19 transition count 18
Applied a total of 72 rules in 1 ms. Remains 19 /43 variables (removed 24) and now considering 18/66 (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-9666247131272964234.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-1593831991477184457.kers'
[2026-05-22 14:53:07] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-9666247131272964234.kers, --Pflows, --basisKERS=/tmp/petrispot-output-1593831991477184457.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 14:53:07] [INFO ] Computed 1 invariants in 0 ms
Computed 1 P flows in 1 ms.
Exported basis to /tmp/petrispot-output-1593831991477184457.kers
Total runtime 1 ms.
[2026-05-22 14:53:07] [INFO ] Implicit Places using invariants in 50 ms returned [18]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 50 ms to find 1 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 18/43 places, 18/66 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 52 ms. Remains : 18/43 places, 18/66 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 !p1) U X(!p1))||G(p2)))'
Stuttering acceptance computed with spot in 294 ms :[true, (AND p1 (NOT p2)), (AND p1 (NOT p2)), (AND (NOT p2) p1), (AND p1 (NOT p2)), p1, p1, p1, (NOT p2)]
Running random walk in product with property : AirplaneLD-PT-0010-LTLFireability-08
Entered a terminal (fully accepting) state of product in 4 steps with 0 reset in 0 ms.
FORMULA AirplaneLD-PT-0010-LTLFireability-08 FALSE TECHNIQUES STUTTER_TEST
Treatment of property AirplaneLD-PT-0010-LTLFireability-08 finished in 371 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(p0) U X(p1))))'
Support contains 3 out of 43 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 43/43 places, 66/66 transitions.
Discarding 22 places :
Symmetric choice reduction at 0 with 22 rule applications. Total rules 22 place count 21 transition count 44
Iterating global reduction 0 with 22 rules applied. Total rules applied 44 place count 21 transition count 44
Ensure Unique test removed 22 transitions
Reduce isomorphic transitions removed 22 transitions.
Iterating post reduction 0 with 22 rules applied. Total rules applied 66 place count 21 transition count 22
Applied a total of 66 rules in 1 ms. Remains 21 /43 variables (removed 22) and now considering 22/66 (removed 44) transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-4941918589483008603.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-14006456851243846269.kers'
[2026-05-22 14:53:08] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-4941918589483008603.kers, --Pflows, --basisKERS=/tmp/petrispot-output-14006456851243846269.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 14:53:08] [INFO ] Computed 1 invariants in 0 ms
Computed 1 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-14006456851243846269.kers
Total runtime 1 ms.
[2026-05-22 14:53:08] [INFO ] Implicit Places using invariants in 77 ms returned [20]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 78 ms to find 1 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 20/43 places, 22/66 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 80 ms. Remains : 20/43 places, 22/66 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(p0) U X(p1))))'
Stuttering acceptance computed with spot in 180 ms :[(NOT p1), (NOT p1), (NOT p1), (AND (NOT p0) (NOT p1)), (NOT p0)]
Running random walk in product with property : AirplaneLD-PT-0010-LTLFireability-10
Stuttering criterion allowed to conclude after 6 steps with 0 reset in 0 ms.
FORMULA AirplaneLD-PT-0010-LTLFireability-10 FALSE TECHNIQUES STUTTER_TEST
Treatment of property AirplaneLD-PT-0010-LTLFireability-10 finished in 294 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((G(!p0) U p1)))'
Support contains 2 out of 43 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 43/43 places, 66/66 transitions.
Graph (complete) has 52 edges and 43 vertex of which 2 are kept as prefixes of interest. Removing 41 places using SCC suffix rule.0 ms
Discarding 41 places :
Also discarding 51 output transitions
Drop transitions (Output transitions of discarded places.) removed 51 transitions
Ensure Unique test removed 13 transitions
Reduce isomorphic transitions removed 13 transitions.
Iterating post reduction 0 with 13 rules applied. Total rules applied 14 place count 2 transition count 2
Applied a total of 14 rules in 1 ms. Remains 2 /43 variables (removed 41) and now considering 2/66 (removed 64) transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-3585142873392750082.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-8230240439640745180.kers'
[2026-05-22 14:53:08] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-3585142873392750082.kers, --Pflows, --basisKERS=/tmp/petrispot-output-8230240439640745180.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 2 rows 2 cols 2 entries
Finished phase 1 with 2 SingleSign rule and 0 generalized
[2026-05-22 14:53:08] [INFO ] Computed 0 invariants in 0 ms
Computed 0 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-8230240439640745180.kers
Total runtime 0 ms.
[2026-05-22 14:53:08] [INFO ] Implicit Places using invariants in 14 ms returned []
[2026-05-22 14:53:08] [INFO ] Invariant cache hit.
[2026-05-22 14:53:08] [INFO ] Implicit Places using invariants and state equation in 14 ms returned []
Implicit Place search using SMT with State Equation took 31 ms to find 0 implicit places.
[2026-05-22 14:53:08] [INFO ] Redundant transitions in 0 ms returned []
Running 0 sub problems to find dead transitions.
Search for dead transitions found 0 dead transitions in 0ms
Starting structural reductions in SI_LTL mode, iteration 1 : 2/43 places, 2/66 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 36 ms. Remains : 2/43 places, 2/66 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((G(!p0) U p1)))'
Stuttering acceptance computed with spot in 93 ms :[(NOT p1), true, p0, (NOT p1)]
Running random walk in product with property : AirplaneLD-PT-0010-LTLFireability-11
Entered a terminal (fully accepting) state of product in 1 steps with 0 reset in 0 ms.
FORMULA AirplaneLD-PT-0010-LTLFireability-11 FALSE TECHNIQUES STUTTER_TEST
Treatment of property AirplaneLD-PT-0010-LTLFireability-11 finished in 149 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(!p0)||(!p0&&F(!p1))))'
Support contains 3 out of 43 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 43/43 places, 66/66 transitions.
Graph (complete) has 52 edges and 43 vertex of which 4 are kept as prefixes of interest. Removing 39 places using SCC suffix rule.1 ms
Discarding 39 places :
Also discarding 62 output transitions
Drop transitions (Output transitions of discarded places.) removed 62 transitions
Applied a total of 1 rules in 1 ms. Remains 4 /43 variables (removed 39) and now considering 4/66 (removed 62) transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-14707256357093793079.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-18134422075397715882.kers'
[2026-05-22 14:53:08] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-14707256357093793079.kers, --Pflows, --basisKERS=/tmp/petrispot-output-18134422075397715882.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 4 rows 4 cols 8 entries
Finished phase 1 with 2 SingleSign rule and 1 generalized
[2026-05-22 14:53:08] [INFO ] Computed 1 invariants in 0 ms
Computed 1 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-18134422075397715882.kers
Total runtime 0 ms.
[2026-05-22 14:53:08] [INFO ] Implicit Places using invariants in 16 ms returned []
[2026-05-22 14:53:08] [INFO ] Invariant cache hit.
[2026-05-22 14:53:08] [INFO ] Implicit Places using invariants and state equation in 15 ms returned []
Implicit Place search using SMT with State Equation took 36 ms to find 0 implicit places.
[2026-05-22 14:53:08] [INFO ] Redundant transitions in 0 ms returned []
Running 2 sub problems to find dead transitions.
[2026-05-22 14:53:08] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/3 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 1 (OVERLAPS) 1/4 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/4 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (OVERLAPS) 4/8 variables, 4/5 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/8 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (OVERLAPS) 0/8 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Real declared 8/8 variables, and 5 constraints, problems are : Problem set: 0 solved, 2 unsolved in 46 ms.
Refiners :[Generalized P Invariants (flows): 1/1 constraints, State Equation: 4/4 constraints, PredecessorRefiner: 2/2 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 2 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/3 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 1 (OVERLAPS) 1/4 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/4 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (OVERLAPS) 4/8 variables, 4/5 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/8 variables, 2/7 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/8 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 6 (OVERLAPS) 0/8 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Int declared 8/8 variables, and 7 constraints, problems are : Problem set: 0 solved, 2 unsolved in 70 ms.
Refiners :[Generalized P Invariants (flows): 1/1 constraints, State Equation: 4/4 constraints, PredecessorRefiner: 2/2 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 134ms problems are : Problem set: 0 solved, 2 unsolved
Search for dead transitions found 0 dead transitions in 134ms
Starting structural reductions in SI_LTL mode, iteration 1 : 4/43 places, 4/66 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 176 ms. Remains : 4/43 places, 4/66 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(p0)||(F(p1)&&p0)))'
Stuttering acceptance computed with spot in 94 ms :[true, (NOT p1), (NOT p0), (AND (NOT p1) (NOT p0))]
Running random walk in product with property : AirplaneLD-PT-0010-LTLFireability-12
Product exploration explored 100000 steps with 50000 reset in 88 ms.
Product exploration explored 100000 steps with 50000 reset in 113 ms.
Computed a total of 4 stabilizing places and 4 stable transitions
Complete graph has no SCC; deadlocks are unavoidable. place count 4 transition count 4
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 10 factoid took 10 ms. Proved property starting from automaton with 4 states, 6 edges and 2 AP (stutter insensitive
Knowledge-based reduction took 156 ms.
FORMULA AirplaneLD-PT-0010-LTLFireability-12 TRUE TECHNIQUES KNOWLEDGE
Treatment of property AirplaneLD-PT-0010-LTLFireability-12 finished in 673 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(F(((!p1&&F(!p2))||X((G(F(!p2))||p3))))))))'
Support contains 5 out of 43 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 43/43 places, 66/66 transitions.
Discarding 23 places :
Symmetric choice reduction at 0 with 23 rule applications. Total rules 23 place count 20 transition count 43
Iterating global reduction 0 with 23 rules applied. Total rules applied 46 place count 20 transition count 43
Ensure Unique test removed 23 transitions
Reduce isomorphic transitions removed 23 transitions.
Iterating post reduction 0 with 23 rules applied. Total rules applied 69 place count 20 transition count 20
Applied a total of 69 rules in 1 ms. Remains 20 /43 variables (removed 23) and now considering 20/66 (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-16107683957369935497.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-17873227005338581096.kers'
[2026-05-22 14:53:09] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-16107683957369935497.kers, --Pflows, --basisKERS=/tmp/petrispot-output-17873227005338581096.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 14:53:09] [INFO ] Computed 1 invariants in 0 ms
Computed 1 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-17873227005338581096.kers
Total runtime 0 ms.
[2026-05-22 14:53:09] [INFO ] Implicit Places using invariants in 38 ms returned []
[2026-05-22 14:53:09] [INFO ] Invariant cache hit.
[2026-05-22 14:53:09] [INFO ] Implicit Places using invariants and state equation in 29 ms returned []
Implicit Place search using SMT with State Equation took 77 ms to find 0 implicit places.
Running 10 sub problems to find dead transitions.
[2026-05-22 14:53:09] [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 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]
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 163 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 334ms problems are : Problem set: 0 solved, 10 unsolved
Search for dead transitions found 0 dead transitions in 335ms
Starting structural reductions in LTL mode, iteration 1 : 20/43 places, 20/66 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 413 ms. Remains : 20/43 places, 20/66 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(F(((p1&&F(p2))||X((G(F(p2))||p3))))))))'
Stuttering acceptance computed with spot in 204 ms :[(OR (NOT p0) (AND (NOT p2) (NOT p3))), (NOT p0), (AND (NOT p2) (NOT p3)), (AND (NOT p2) (NOT p3)), (AND (NOT p2) (NOT p3)), (AND (NOT p2) (NOT p3))]
Running random walk in product with property : AirplaneLD-PT-0010-LTLFireability-13
Product exploration explored 100000 steps with 31316 reset in 94 ms.
Product exploration explored 100000 steps with 31306 reset in 104 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 6 factoid took 19 ms. Proved property starting from automaton with 6 states, 9 edges and 4 AP (stutter sensitive
Knowledge-based reduction took 157 ms.
FORMULA AirplaneLD-PT-0010-LTLFireability-13 TRUE TECHNIQUES KNOWLEDGE
Treatment of property AirplaneLD-PT-0010-LTLFireability-13 finished in 1040 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 p1) U (G(!p0)&&X(X(G(p2))))))'
Support contains 6 out of 43 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 43/43 places, 66/66 transitions.
Discarding 22 places :
Symmetric choice reduction at 0 with 22 rule applications. Total rules 22 place count 21 transition count 44
Iterating global reduction 0 with 22 rules applied. Total rules applied 44 place count 21 transition count 44
Ensure Unique test removed 22 transitions
Reduce isomorphic transitions removed 22 transitions.
Iterating post reduction 0 with 22 rules applied. Total rules applied 66 place count 21 transition count 22
Applied a total of 66 rules in 4 ms. Remains 21 /43 variables (removed 22) and now considering 22/66 (removed 44) transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-3584924336497814336.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-10141501438882993306.kers'
[2026-05-22 14:53:10] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-3584924336497814336.kers, --Pflows, --basisKERS=/tmp/petrispot-output-10141501438882993306.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 14:53:10] [INFO ] Computed 1 invariants in 0 ms
Computed 1 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-10141501438882993306.kers
Total runtime 0 ms.
[2026-05-22 14:53:10] [INFO ] Implicit Places using invariants in 69 ms returned []
[2026-05-22 14:53:10] [INFO ] Invariant cache hit.
[2026-05-22 14:53:10] [INFO ] Implicit Places using invariants and state equation in 34 ms returned []
Implicit Place search using SMT with State Equation took 107 ms to find 0 implicit places.
Running 11 sub problems to find dead transitions.
[2026-05-22 14:53:10] [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 198 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 182 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 382ms problems are : Problem set: 0 solved, 11 unsolved
Search for dead transitions found 0 dead transitions in 382ms
Starting structural reductions in LTL mode, iteration 1 : 21/43 places, 22/66 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 493 ms. Remains : 21/43 places, 22/66 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 p1) U (G(!p0)&&X(X(G(p2))))))'
Stuttering acceptance computed with spot in 547 ms :[(OR (NOT p2) p0), true, p0, (AND (NOT p1) (NOT p2)), (NOT p2), (NOT p2), (AND (NOT p1) (NOT p2)), (AND p0 (NOT p2)), (NOT p2), (NOT p2), (NOT p1)]
Running random walk in product with property : AirplaneLD-PT-0010-LTLFireability-14
Entered a terminal (fully accepting) state of product in 6 steps with 1 reset in 0 ms.
FORMULA AirplaneLD-PT-0010-LTLFireability-14 FALSE TECHNIQUES STUTTER_TEST
Treatment of property AirplaneLD-PT-0010-LTLFireability-14 finished in 1095 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((p0||(!p1 U (p2||G(!p1))))))'
Support contains 4 out of 43 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 43/43 places, 66/66 transitions.
Discarding 22 places :
Symmetric choice reduction at 0 with 22 rule applications. Total rules 22 place count 21 transition count 44
Iterating global reduction 0 with 22 rules applied. Total rules applied 44 place count 21 transition count 44
Ensure Unique test removed 22 transitions
Reduce isomorphic transitions removed 22 transitions.
Iterating post reduction 0 with 22 rules applied. Total rules applied 66 place count 21 transition count 22
Applied a total of 66 rules in 8 ms. Remains 21 /43 variables (removed 22) and now considering 22/66 (removed 44) transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-3285096972072060413.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-7855816160412745678.kers'
[2026-05-22 14:53:11] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-3285096972072060413.kers, --Pflows, --basisKERS=/tmp/petrispot-output-7855816160412745678.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 14:53:11] [INFO ] Computed 1 invariants in 0 ms
Computed 1 P flows in 1 ms.
Exported basis to /tmp/petrispot-output-7855816160412745678.kers
Total runtime 1 ms.
[2026-05-22 14:53:11] [INFO ] Implicit Places using invariants in 50 ms returned [20]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 52 ms to find 1 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 20/43 places, 22/66 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 10 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-553661497935040774.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-13183058653753346052.kers'
[2026-05-22 14:53:11] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-553661497935040774.kers, --Pflows, --basisKERS=/tmp/petrispot-output-13183058653753346052.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 14:53:11] [INFO ] Computed 0 invariants in 0 ms
Computed 0 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-13183058653753346052.kers
Total runtime 0 ms.
[2026-05-22 14:53:11] [INFO ] Implicit Places using invariants in 45 ms returned []
[2026-05-22 14:53:11] [INFO ] Invariant cache hit.
[2026-05-22 14:53:11] [INFO ] Implicit Places using invariants and state equation in 48 ms returned []
Implicit Place search using SMT with State Equation took 95 ms to find 0 implicit places.
Starting structural reductions in SI_LTL mode, iteration 2 : 18/43 places, 20/66 transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 165 ms. Remains : 18/43 places, 20/66 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(((!p0 U (p1||G(!p0)))||p2)))'
Stuttering acceptance computed with spot in 130 ms :[true, (AND p0 (NOT p1)), (AND (NOT p1) p0 (NOT p2))]
Running random walk in product with property : AirplaneLD-PT-0010-LTLFireability-15
Entered a terminal (fully accepting) state of product in 335 steps with 49 reset in 1 ms.
FORMULA AirplaneLD-PT-0010-LTLFireability-15 FALSE TECHNIQUES STUTTER_TEST
Treatment of property AirplaneLD-PT-0010-LTLFireability-15 finished in 340 ms.
All properties solved by simple procedures.
Total runtime 13555 ms.

BK_STOP 1779461592286

--------------------
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-0010"
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-0010, 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-oct2-177944365900076"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/AirplaneLD-PT-0010.tgz
mv AirplaneLD-PT-0010 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 ;