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-oct2-177944365800028.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-COL-0100, examination is LTLFireability
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r002-oct2-177944365800028
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 504K
-rw-r--r-- 1 mcc users 7.6K Mar 4 16:45 CTLCardinality.txt
-rw-r--r-- 1 mcc users 72K Mar 4 16:45 CTLCardinality.xml
-rw-r--r-- 1 mcc users 5.4K Mar 4 16:45 CTLFireability.txt
-rw-r--r-- 1 mcc users 46K 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 4.7K Mar 15 07:00 LTLCardinality.txt
-rw-r--r-- 1 mcc users 31K Mar 15 07:00 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.3K Mar 15 07:00 LTLFireability.txt
-rw-r--r-- 1 mcc users 17K Mar 15 07:00 LTLFireability.xml
-rw-r--r-- 1 mcc users 13K Mar 4 16:46 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 116K Mar 4 16:46 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 8.6K Mar 4 16:46 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 71K Mar 4 16:46 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.7K Mar 15 07:00 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.8K Mar 15 07:00 UpperBounds.xml
-rw-r--r-- 1 mcc users 5 Mar 3 18:30 equiv_pt
-rw-r--r-- 1 mcc users 5 Mar 3 18:30 instance
-rw-r--r-- 1 mcc users 5 Mar 3 18:30 iscolored
-rw-r--r-- 1 mcc users 52K 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-COL-0100-LTLFireability-00
FORMULA_NAME AirplaneLD-COL-0100-LTLFireability-01
FORMULA_NAME AirplaneLD-COL-0100-LTLFireability-02
FORMULA_NAME AirplaneLD-COL-0100-LTLFireability-03
FORMULA_NAME AirplaneLD-COL-0100-LTLFireability-04
FORMULA_NAME AirplaneLD-COL-0100-LTLFireability-05
FORMULA_NAME AirplaneLD-COL-0100-LTLFireability-06
FORMULA_NAME AirplaneLD-COL-0100-LTLFireability-07
FORMULA_NAME AirplaneLD-COL-0100-LTLFireability-08
FORMULA_NAME AirplaneLD-COL-0100-LTLFireability-09
FORMULA_NAME AirplaneLD-COL-0100-LTLFireability-10
FORMULA_NAME AirplaneLD-COL-0100-LTLFireability-11
FORMULA_NAME AirplaneLD-COL-0100-LTLFireability-12
FORMULA_NAME AirplaneLD-COL-0100-LTLFireability-13
FORMULA_NAME AirplaneLD-COL-0100-LTLFireability-14
FORMULA_NAME AirplaneLD-COL-0100-LTLFireability-15

=== Now, execution of the tool begins

BK_START 1779461498440

Invoking MCC driver with
BK_TOOL=itstools
BK_EXAMINATION=LTLFireability
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=AirplaneLD-COL-0100
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is COL
LTLFireability COL
Running Version 202604301425
[2026-05-22 14:51:39] [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 14:51:39] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-05-22 14:51:39] [INFO ] Detected file is not PT type :http://www.pnml.org/version-2009/grammar/symmetricnet
log4j:WARN No appenders could be found for logger (org.apache.axiom.locator.DefaultOMMetaFactoryLocator).
log4j:WARN Please initialize the log4j system properly.
log4j:WARN See http://logging.apache.org/log4j/1.2/faq.html#noconfig for more info.
[2026-05-22 14:51:40] [WARNING] Using fallBack plugin, rng conformance not checked
[2026-05-22 14:51:40] [INFO ] Load time of PNML (colored model parsed with PNMLFW) : 626 ms
[2026-05-22 14:51:40] [INFO ] Detected 3 constant HL places corresponding to 302 PT places.
[2026-05-22 14:51:40] [INFO ] Imported 20 HL places and 15 HL transitions for a total of 719 PT places and 1212.0 transition bindings in 22 ms.
Parsed 16 properties from file /home/mcc/execution/LTLFireability.xml in 8 ms.
Working with output stream class java.io.PrintStream
[2026-05-22 14:51:40] [INFO ] Built PT skeleton of HLPN with 20 places and 15 transitions 56 arcs in 6 ms.
[2026-05-22 14:51:40] [INFO ] Skeletonized 15 HLPN properties in 2 ms. Removed 1 properties that had guard overlaps.
Initial state reduction rules removed 1 formulas.
FORMULA AirplaneLD-COL-0100-LTLFireability-08 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Computed a total of 20 stabilizing places and 15 stable transitions
Complete graph has no SCC; deadlocks are unavoidable. place count 20 transition count 15
Detected that all paths lead to deadlock. Applying this knowledge to assert that all AP eventually converge (and all enablings converge to false).
Remains 4 properties that can be checked using skeleton over-approximation.
Reduce places removed 3 places and 0 transitions.
Ensure Unique test removed 1 transitions
Reduce redundant transitions removed 1 transitions.
Computed a total of 17 stabilizing places and 14 stable transitions
Complete graph has no SCC; deadlocks are unavoidable. place count 17 transition count 14
Detected that all paths lead to deadlock. Applying this knowledge to assert that all AP eventually converge (and all enablings converge to false).
RANDOM walk for 40000 steps (5046 resets) in 783 ms. (51 steps per ms) remains 1/5 properties
BEST_FIRST walk for 40002 steps (1345 resets) in 128 ms. (310 steps per ms) remains 1/1 properties
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-1304036221008865994.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-12977228104411985404.kers'
[2026-05-22 14:51:41] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-1304036221008865994.kers, --Pflows, --basisKERS=/tmp/petrispot-output-12977228104411985404.kers]
Culling duplicate invariants (modulo rational): removing 1 columns.
Culled 1 columns in 0 ms.
// Phase 1: matrix 14 rows 16 cols 37 entries
Finished phase 1 with 14 SingleSign rule and 0 generalized
[2026-05-22 14:51:41] [INFO ] Computed 3 invariants in 0 ms
Computed 3 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-12977228104411985404.kers
Total runtime 0 ms.
At refinement iteration 0 (INCLUDED_ONLY) 0/4 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Problem AtomicPropp4 is UNSAT
After SMT solving in domain Real declared 10/31 variables, and 2 constraints, problems are : Problem set: 1 solved, 0 unsolved in 128 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, Generalized P Invariants (flows): 0/1 constraints, State Equation: 0/17 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 171ms problems are : Problem set: 1 solved, 0 unsolved
Skipping Parikh replay, no witness traces provided.
Successfully simplified 1 atomic propositions for a total of 4 simplifications.
[2026-05-22 14:51:41] [INFO ] Flatten gal took : 29 ms
[2026-05-22 14:51:41] [INFO ] Flatten gal took : 3 ms
Symmetric sort wr.t. initial and guards and successors and join/free detected :Altitude
Symmetric sort wr.t. initial detected :Altitude
Transition t3_2 : guard parameter $A(Altitude:200) in guard (OR (GEQ $A 99) (EQ $A 199))introduces in Altitude(200) partition with 2 elements
Transition t3_1 : guard parameter $A(Altitude:200) in guard (AND (LT $A 99) (NEQ $A 199))introduces in Altitude(200) partition with 2 elements
Sort wr.t. initial and guards Altitude has partition 2
Applying symmetric unfolding of partitioned symmetric sort :Altitude domain size was 200 reducing to 2 values.
For transition t3_2:(OR (GEQ $A 99) (EQ $A 199)) -> (EQ $A 1)
For transition t3_1:(AND (LT $A 99) (NEQ $A 199)) -> (EQ $A 0)
Symmetric sort wr.t. initial and guards and successors and join/free detected :Speed
Symmetric sort wr.t. initial detected :Speed
Transition t5_2 : guard parameter $S(Speed:100) in guard (OR (LEQ $S 49) (EQ $S 99))introduces in Speed(100) partition with 2 elements
Transition t5_1 : guard parameter $S(Speed:100) in guard (AND (GT $S 49) (NEQ $S 99))introduces in Speed(100) partition with 2 elements
Transition t4_2 : guard parameter $S(Speed:100) in guard (OR (LEQ $S 49) (EQ $S 99))introduces in Speed(100) partition with 2 elements
Transition t4_1 : guard parameter $S(Speed:100) in guard (AND (GT $S 49) (NEQ $S 99))introduces in Speed(100) partition with 2 elements
Sort wr.t. initial and guards Speed has partition 2
Applying symmetric unfolding of partitioned symmetric sort :Speed domain size was 100 reducing to 2 values.
For transition t5_2:(OR (LEQ $S 49) (EQ $S 99)) -> (EQ $S 1)
For transition t5_1:(AND (GT $S 49) (NEQ $S 99)) -> (EQ $S 0)
For transition t4_2:(OR (LEQ $S 49) (EQ $S 99)) -> (EQ $S 1)
For transition t4_1:(AND (GT $S 49) (NEQ $S 99)) -> (EQ $S 0)
Symmetric sort wr.t. initial and guards and successors and join/free detected :Signal
Arc [19:1*[1]] contains constants of sort Signal
Transition t5_2 : constants on arcs in [[19:1*[1]]] introduces in Signal(2) partition with 1 elements that refines current partition to 2 subsets.
Symmetric sort wr.t. initial and guards and successors and join/free detected :Weight
Symmetric sort wr.t. initial detected :Weight
Transition t2_2 : guard parameter $W(Weight:2) in guard (EQ $W 1)introduces in Weight(2) partition with 2 elements
[2026-05-22 14:51:41] [INFO ] Unfolded HLPN to a Petri net with 29 places and 20 transitions 56 arcs in 44 ms.
[2026-05-22 14:51:41] [INFO ] Unfolded 15 HLPN properties in 0 ms.
Initial state reduction rules removed 1 formulas.
[2026-05-22 14:51:41] [INFO ] Reduced 1 identical enabling conditions.
[2026-05-22 14:51:41] [INFO ] Reduced 1 identical enabling conditions.
[2026-05-22 14:51:41] [INFO ] Reduced 1 identical enabling conditions.
[2026-05-22 14:51:41] [INFO ] Reduced 1 identical enabling conditions.
[2026-05-22 14:51:41] [INFO ] Reduced 1 identical enabling conditions.
[2026-05-22 14:51:41] [INFO ] Reduced 1 identical enabling conditions.
[2026-05-22 14:51:41] [INFO ] Reduced 1 identical enabling conditions.
[2026-05-22 14:51:41] [INFO ] Reduced 1 identical enabling conditions.
[2026-05-22 14:51:41] [INFO ] Reduced 1 identical enabling conditions.
[2026-05-22 14:51:41] [INFO ] Reduced 1 identical enabling conditions.
[2026-05-22 14:51:41] [INFO ] Reduced 1 identical enabling conditions.
[2026-05-22 14:51:41] [INFO ] Reduced 1 identical enabling conditions.
Reduce places removed 6 places and 0 transitions.
FORMULA AirplaneLD-COL-0100-LTLFireability-14 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Support contains 18 out of 23 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 23/23 places, 20/20 transitions.
Reduce places removed 3 places and 0 transitions.
Iterating post reduction 0 with 3 rules applied. Total rules applied 3 place count 20 transition count 20
Applied a total of 3 rules in 11 ms. Remains 20 /23 variables (removed 3) and now considering 20/20 (removed 0) transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-15643367813142923791.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-11644927296679631387.kers'
[2026-05-22 14:51:41] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-15643367813142923791.kers, --Pflows, --basisKERS=/tmp/petrispot-output-11644927296679631387.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 14:51:41] [INFO ] Computed 1 invariants in 0 ms
Computed 1 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-11644927296679631387.kers
Total runtime 0 ms.
[2026-05-22 14:51:41] [INFO ] Implicit Places using invariants in 48 ms returned []
[2026-05-22 14:51:41] [INFO ] Invariant cache hit.
[2026-05-22 14:51:41] [INFO ] Implicit Places using invariants and state equation in 39 ms returned []
Implicit Place search using SMT with State Equation took 99 ms to find 0 implicit places.
Running 10 sub problems to find dead transitions.
[2026-05-22 14:51:41] [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 358 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 326 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 704ms problems are : Problem set: 0 solved, 10 unsolved
Search for dead transitions found 0 dead transitions in 705ms
Starting structural reductions in LTL mode, iteration 1 : 20/23 places, 20/20 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 835 ms. Remains : 20/23 places, 20/20 transitions.
Starting structural reductions in LTL mode, iteration 0 : 20/20 places, 20/20 transitions.
Applied a total of 0 rules in 0 ms. Remains 20 /20 variables (removed 0) and now considering 20/20 (removed 0) transitions.
[2026-05-22 14:51:42] [INFO ] Invariant cache hit.
[2026-05-22 14:51:42] [INFO ] Implicit Places using invariants in 33 ms returned []
[2026-05-22 14:51:42] [INFO ] Invariant cache hit.
[2026-05-22 14:51:42] [INFO ] Implicit Places using invariants and state equation in 25 ms returned []
Implicit Place search using SMT with State Equation took 64 ms to find 0 implicit places.
Skipped dead transition search.
Finished structural reductions in LTL mode , in 1 iterations and 64 ms. Remains : 20/20 places, 20/20 transitions.
Support contains 18 out of 20 places after structural reductions.
[2026-05-22 14:51:42] [INFO ] Flatten gal took : 3 ms
[2026-05-22 14:51:42] [INFO ] Flatten gal took : 2 ms
[2026-05-22 14:51:42] [INFO ] Input system was already deterministic with 20 transitions.
Reduction of identical properties reduced properties to check from 19 to 16
RANDOM walk for 40000 steps (5021 resets) in 429 ms. (93 steps per ms) remains 1/16 properties
BEST_FIRST walk for 40004 steps (1012 resets) in 34 ms. (1142 steps per ms) remains 1/1 properties
[2026-05-22 14:51:42] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/4 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 7/11 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/11 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Problem AtomicPropp18 is UNSAT
After SMT solving in domain Real declared 25/40 variables, and 11 constraints, problems are : Problem set: 1 solved, 0 unsolved in 115 ms.
Refiners :[Generalized P Invariants (flows): 0/1 constraints, State Equation: 11/20 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 116ms problems are : Problem set: 1 solved, 0 unsolved
Skipping Parikh replay, no witness traces provided.
FORMULA AirplaneLD-COL-0100-LTLFireability-07 FALSE TECHNIQUES REACHABILITY_KNOWLEDGE
Successfully simplified 1 atomic propositions for a total of 13 simplifications.
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).
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(X(p1))||p0))))'
Support contains 3 out of 20 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 20/20 places, 20/20 transitions.
Applied a total of 0 rules in 2 ms. Remains 20 /20 variables (removed 0) and now considering 20/20 (removed 0) transitions.
[2026-05-22 14:51:43] [INFO ] Invariant cache hit.
[2026-05-22 14:51:43] [INFO ] Implicit Places using invariants in 71 ms returned [9]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 74 ms to find 1 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 19/20 places, 20/20 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 77 ms. Remains : 19/20 places, 20/20 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(X(p1))||p0))))'
Stuttering acceptance computed with spot in 488 ms :[(AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1))]
Running random walk in product with property : AirplaneLD-COL-0100-LTLFireability-00
Product exploration explored 100000 steps with 50000 reset in 193 ms.
Product exploration explored 100000 steps with 50000 reset in 123 ms.
Computed a total of 19 stabilizing places and 20 stable transitions
Complete graph has no SCC; deadlocks are unavoidable. place count 19 transition count 20
Detected that all paths lead to deadlock. Applying this knowledge to assert that all AP eventually converge (and all enablings converge to false).
Detected that all paths lead to deadlock. Applying this knowledge to assert that all AP eventually converge : F ( (Ga|G!a) & (Gb|G!b)...)
Property proved to be true by K+ with min(!phi)
Knowledge based reduction with 5 factoid took 74 ms. Proved property starting from automaton with 4 states, 4 edges and 2 AP (stutter sensitive
Knowledge-based reduction took 115 ms.
FORMULA AirplaneLD-COL-0100-LTLFireability-00 TRUE TECHNIQUES KNOWLEDGE
Treatment of property AirplaneLD-COL-0100-LTLFireability-00 finished in 1150 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 2 out of 20 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 20/20 places, 20/20 transitions.
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 1 place count 19 transition count 19
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 19 transition count 19
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 0 with 1 rules applied. Total rules applied 3 place count 19 transition count 18
Applied a total of 3 rules in 8 ms. Remains 19 /20 variables (removed 1) and now considering 18/20 (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-13469665167589543272.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-3900342593997605371.kers'
[2026-05-22 14:51:44] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-13469665167589543272.kers, --Pflows, --basisKERS=/tmp/petrispot-output-3900342593997605371.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 14:51:44] [INFO ] Computed 1 invariants in 0 ms
Computed 1 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-3900342593997605371.kers
Total runtime 1 ms.
[2026-05-22 14:51:44] [INFO ] Implicit Places using invariants in 59 ms returned [9]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 62 ms to find 1 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 18/20 places, 18/20 transitions.
Applied a total of 0 rules in 4 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 74 ms. Remains : 18/20 places, 18/20 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 196 ms :[true, (NOT p0), (NOT p0), (NOT p0)]
Running random walk in product with property : AirplaneLD-COL-0100-LTLFireability-01
Entered a terminal (fully accepting) state of product in 2 steps with 0 reset in 0 ms.
FORMULA AirplaneLD-COL-0100-LTLFireability-01 FALSE TECHNIQUES STUTTER_TEST
Treatment of property AirplaneLD-COL-0100-LTLFireability-01 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' '!(F(G(p0)))'
Support contains 1 out of 20 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 20/20 places, 20/20 transitions.
Graph (complete) has 18 edges and 20 vertex of which 1 are kept as prefixes of interest. Removing 19 places using SCC suffix rule.0 ms
Discarding 19 places :
Also discarding 18 output transitions
Drop transitions (Output transitions of discarded places.) removed 18 transitions
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 0 with 1 rules applied. Total rules applied 2 place count 1 transition count 1
Applied a total of 2 rules in 15 ms. Remains 1 /20 variables (removed 19) and now considering 1/20 (removed 19) transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-3050644227481194253.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-17986135291785587749.kers'
[2026-05-22 14:51:44] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-3050644227481194253.kers, --Pflows, --basisKERS=/tmp/petrispot-output-17986135291785587749.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 14:51:44] [INFO ] Computed 0 invariants in 0 ms
Computed 0 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-17986135291785587749.kers
Total runtime 0 ms.
[2026-05-22 14:51:44] [INFO ] Implicit Places using invariants in 18 ms returned []
[2026-05-22 14:51:44] [INFO ] Invariant cache hit.
[2026-05-22 14:51:44] [INFO ] Implicit Places using invariants and state equation in 30 ms returned []
Implicit Place search using SMT with State Equation took 51 ms to find 0 implicit places.
[2026-05-22 14:51:44] [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 : 1/20 places, 1/20 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 75 ms. Remains : 1/20 places, 1/20 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 66 ms :[(NOT p0)]
Running random walk in product with property : AirplaneLD-COL-0100-LTLFireability-02
Stuttering criterion allowed to conclude after 1 steps with 0 reset in 0 ms.
FORMULA AirplaneLD-COL-0100-LTLFireability-02 FALSE TECHNIQUES STUTTER_TEST
Treatment of property AirplaneLD-COL-0100-LTLFireability-02 finished in 172 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)) U (F(!p2) U (!p3&&X(p4)))))'
Support contains 8 out of 20 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 20/20 places, 20/20 transitions.
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 1 place count 19 transition count 19
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 19 transition count 19
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 0 with 1 rules applied. Total rules applied 3 place count 19 transition count 18
Applied a total of 3 rules in 1 ms. Remains 19 /20 variables (removed 1) and now considering 18/20 (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-5247314165903483038.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-12414002298006548207.kers'
[2026-05-22 14:51:44] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-5247314165903483038.kers, --Pflows, --basisKERS=/tmp/petrispot-output-12414002298006548207.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 14:51:44] [INFO ] Computed 1 invariants in 0 ms
Computed 1 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-12414002298006548207.kers
Total runtime 0 ms.
[2026-05-22 14:51:44] [INFO ] Implicit Places using invariants in 44 ms returned []
[2026-05-22 14:51:44] [INFO ] Invariant cache hit.
[2026-05-22 14:51:44] [INFO ] Implicit Places using invariants and state equation in 42 ms returned []
Implicit Place search using SMT with State Equation took 89 ms to find 0 implicit places.
Running 9 sub problems to find dead transitions.
[2026-05-22 14:51:44] [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 202 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 140 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 345ms problems are : Problem set: 0 solved, 9 unsolved
Search for dead transitions found 0 dead transitions in 347ms
Starting structural reductions in LTL mode, iteration 1 : 19/20 places, 18/20 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 439 ms. Remains : 19/20 places, 18/20 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)) U (F(!p2) U (!p3&&X(p4)))))'
Stuttering acceptance computed with spot in 525 ms :[(OR (NOT p4) p3), (NOT p4), (AND (NOT p0) (NOT p1) (NOT p4)), (AND (NOT p0) p2 (NOT p3) p1 (NOT p4)), (AND (NOT p3) (NOT p0) p2 (NOT p4)), (OR (AND (NOT p0) (NOT p1) (NOT p4)) (AND (NOT p0) (NOT p1) p3)), (AND (NOT p0) p2 p1), (AND (NOT p0) p2)]
Running random walk in product with property : AirplaneLD-COL-0100-LTLFireability-03
Stuttering criterion allowed to conclude after 16 steps with 5 reset in 1 ms.
FORMULA AirplaneLD-COL-0100-LTLFireability-03 FALSE TECHNIQUES STUTTER_TEST
Treatment of property AirplaneLD-COL-0100-LTLFireability-03 finished in 1027 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 4 out of 20 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 20/20 places, 20/20 transitions.
Graph (complete) has 18 edges and 20 vertex of which 12 are kept as prefixes of interest. Removing 8 places using SCC suffix rule.0 ms
Discarding 8 places :
Also discarding 8 output transitions
Drop transitions (Output transitions of discarded places.) removed 8 transitions
Applied a total of 1 rules in 1 ms. Remains 12 /20 variables (removed 8) and now considering 12/20 (removed 8) transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-5357308114674014886.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-10627729591589087532.kers'
[2026-05-22 14:51:45] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-5357308114674014886.kers, --Pflows, --basisKERS=/tmp/petrispot-output-10627729591589087532.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 12 rows 12 cols 26 entries
Finished phase 1 with 8 SingleSign rule and 3 generalized
[2026-05-22 14:51:45] [INFO ] Computed 1 invariants in 0 ms
Computed 1 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-10627729591589087532.kers
Total runtime 0 ms.
[2026-05-22 14:51:45] [INFO ] Implicit Places using invariants in 24 ms returned []
[2026-05-22 14:51:45] [INFO ] Invariant cache hit.
[2026-05-22 14:51:45] [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.
[2026-05-22 14:51:45] [INFO ] Redundant transitions in 0 ms returned []
Running 6 sub problems to find dead transitions.
[2026-05-22 14:51:45] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/9 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 1 (OVERLAPS) 1/10 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/10 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 3 (OVERLAPS) 12/22 variables, 10/11 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/22 variables, 0/11 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 5 (OVERLAPS) 2/24 variables, 2/13 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/24 variables, 0/13 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 7 (OVERLAPS) 0/24 variables, 0/13 constraints. Problems are: Problem set: 0 solved, 6 unsolved
No progress, stopping.
After SMT solving in domain Real declared 24/24 variables, and 13 constraints, problems are : Problem set: 0 solved, 6 unsolved in 91 ms.
Refiners :[Generalized P Invariants (flows): 1/1 constraints, State Equation: 12/12 constraints, PredecessorRefiner: 6/6 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 6 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/9 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 1 (OVERLAPS) 1/10 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/10 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 3 (OVERLAPS) 12/22 variables, 10/11 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/22 variables, 6/17 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/22 variables, 0/17 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 6 (OVERLAPS) 2/24 variables, 2/19 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/24 variables, 0/19 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 8 (OVERLAPS) 0/24 variables, 0/19 constraints. Problems are: Problem set: 0 solved, 6 unsolved
No progress, stopping.
After SMT solving in domain Int declared 24/24 variables, and 19 constraints, problems are : Problem set: 0 solved, 6 unsolved in 92 ms.
Refiners :[Generalized P Invariants (flows): 1/1 constraints, State Equation: 12/12 constraints, PredecessorRefiner: 6/6 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 185ms problems are : Problem set: 0 solved, 6 unsolved
Search for dead transitions found 0 dead transitions in 186ms
Starting structural reductions in SI_LTL mode, iteration 1 : 12/20 places, 12/20 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 261 ms. Remains : 12/20 places, 12/20 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 106 ms :[(OR (NOT p0) (NOT p1)), (NOT p0), (NOT p1)]
Running random walk in product with property : AirplaneLD-COL-0100-LTLFireability-04
Stuttering criterion allowed to conclude after 9 steps with 1 reset in 0 ms.
FORMULA AirplaneLD-COL-0100-LTLFireability-04 FALSE TECHNIQUES STUTTER_TEST
Treatment of property AirplaneLD-COL-0100-LTLFireability-04 finished in 404 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(G((X(F((p1&&X(F((p2||(G(!p3)&&X(!p2))))))))||p0)))'
Support contains 5 out of 20 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 20/20 places, 20/20 transitions.
Applied a total of 0 rules in 1 ms. Remains 20 /20 variables (removed 0) and now considering 20/20 (removed 0) transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-2733556745584270039.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-6944478646381354954.kers'
[2026-05-22 14:51:46] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-2733556745584270039.kers, --Pflows, --basisKERS=/tmp/petrispot-output-6944478646381354954.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 14:51:46] [INFO ] Computed 1 invariants in 0 ms
Computed 1 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-6944478646381354954.kers
Total runtime 0 ms.
[2026-05-22 14:51:46] [INFO ] Implicit Places using invariants in 29 ms returned [9]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 31 ms to find 1 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 19/20 places, 20/20 transitions.
Applied a total of 0 rules in 0 ms. Remains 19 /19 variables (removed 0) and now considering 20/20 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 33 ms. Remains : 19/20 places, 20/20 transitions.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(G((X(F((p1&&X(F((p2||(G(p3)&&X(!p2))))))))||p0)))'
Stuttering acceptance computed with spot in 196 ms :[(OR (AND (NOT p0) (NOT p2) (NOT p3)) (AND (NOT p0) (NOT p1))), (OR (NOT p1) (AND (NOT p2) (NOT p3))), (AND (NOT p2) (NOT p3))]
Running random walk in product with property : AirplaneLD-COL-0100-LTLFireability-05
Product exploration explored 100000 steps with 12602 reset in 151 ms.
Product exploration explored 100000 steps with 12585 reset in 116 ms.
Computed a total of 19 stabilizing places and 20 stable transitions
Complete graph has no SCC; deadlocks are unavoidable. place count 19 transition count 20
Detected that all paths lead to deadlock. Applying this knowledge to assert that all AP eventually converge (and all enablings converge to false).
Detected that all paths lead to deadlock. Applying this knowledge to assert that all AP eventually converge : F ( (Ga|G!a) & (Gb|G!b)...)
Property proved to be true by K+ with min(!phi)
Knowledge based reduction with 8 factoid took 10 ms. Proved property starting from automaton with 3 states, 6 edges and 4 AP (stutter sensitive
Knowledge-based reduction took 35 ms.
FORMULA AirplaneLD-COL-0100-LTLFireability-05 TRUE TECHNIQUES KNOWLEDGE
Treatment of property AirplaneLD-COL-0100-LTLFireability-05 finished in 574 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(p0)))&&F((G(F(p1))||(F(p1)&&X(p2))))))'
Support contains 5 out of 20 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 20/20 places, 20/20 transitions.
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 1 place count 19 transition count 19
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 19 transition count 19
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 0 with 1 rules applied. Total rules applied 3 place count 19 transition count 18
Applied a total of 3 rules in 1 ms. Remains 19 /20 variables (removed 1) and now considering 18/20 (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-5128004316236196305.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-13897109895694760098.kers'
[2026-05-22 14:51:46] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-5128004316236196305.kers, --Pflows, --basisKERS=/tmp/petrispot-output-13897109895694760098.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 14:51:46] [INFO ] Computed 1 invariants in 0 ms
Computed 1 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-13897109895694760098.kers
Total runtime 0 ms.
[2026-05-22 14:51:46] [INFO ] Implicit Places using invariants in 28 ms returned [9]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 29 ms to find 1 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 18/20 places, 18/20 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 30 ms. Remains : 18/20 places, 18/20 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(p0)))&&F((G(F(p1))||(F(p1)&&X(p2))))))'
Stuttering acceptance computed with spot in 388 ms :[(OR (NOT p0) (NOT p1)), (NOT p0), (NOT p1), (AND (NOT p1) (NOT p2)), (NOT p0), (NOT p0), true]
Running random walk in product with property : AirplaneLD-COL-0100-LTLFireability-06
Entered a terminal (fully accepting) state of product in 7 steps with 2 reset in 0 ms.
FORMULA AirplaneLD-COL-0100-LTLFireability-06 FALSE TECHNIQUES STUTTER_TEST
Treatment of property AirplaneLD-COL-0100-LTLFireability-06 finished in 456 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)))'
Support contains 3 out of 20 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 20/20 places, 20/20 transitions.
Graph (complete) has 18 edges and 20 vertex of which 13 are kept as prefixes of interest. Removing 7 places using SCC suffix rule.0 ms
Discarding 7 places :
Also discarding 6 output transitions
Drop transitions (Output transitions of discarded places.) removed 6 transitions
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 0 with 1 rules applied. Total rules applied 2 place count 13 transition count 13
Applied a total of 2 rules in 2 ms. Remains 13 /20 variables (removed 7) and now considering 13/20 (removed 7) transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-17928764026498363000.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-7968124412623996945.kers'
[2026-05-22 14:51:47] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-17928764026498363000.kers, --Pflows, --basisKERS=/tmp/petrispot-output-7968124412623996945.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 13 rows 13 cols 27 entries
Finished phase 1 with 9 SingleSign rule and 3 generalized
[2026-05-22 14:51:47] [INFO ] Computed 1 invariants in 0 ms
Computed 1 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-7968124412623996945.kers
Total runtime 1 ms.
[2026-05-22 14:51:47] [INFO ] Implicit Places using invariants in 29 ms returned [6]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 30 ms to find 1 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 12/20 places, 13/20 transitions.
Graph (complete) has 9 edges and 12 vertex of which 11 are kept as prefixes of interest. Removing 1 places using SCC suffix rule.0 ms
Discarding 1 places :
Also discarding 1 output transitions
Drop transitions (Output transitions of discarded places.) removed 1 transitions
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 11 transition count 11
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 1 with 1 rules applied. Total rules applied 3 place count 10 transition count 11
Applied a total of 3 rules in 2 ms. Remains 10 /12 variables (removed 2) and now considering 11/13 (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-12035288655121782416.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-4880463409138703045.kers'
[2026-05-22 14:51:47] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-12035288655121782416.kers, --Pflows, --basisKERS=/tmp/petrispot-output-4880463409138703045.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 11 rows 10 cols 21 entries
Finished phase 1 with 10 SingleSign rule and 0 generalized
[2026-05-22 14:51:47] [INFO ] Computed 0 invariants in 0 ms
Computed 0 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-4880463409138703045.kers
Total runtime 5 ms.
[2026-05-22 14:51:47] [INFO ] Implicit Places using invariants in 44 ms returned []
[2026-05-22 14:51:47] [INFO ] Invariant cache hit.
[2026-05-22 14:51:47] [INFO ] Implicit Places using invariants and state equation in 25 ms returned []
Implicit Place search using SMT with State Equation took 72 ms to find 0 implicit places.
Starting structural reductions in SI_LTL mode, iteration 2 : 10/20 places, 11/20 transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 109 ms. Remains : 10/20 places, 11/20 transitions.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(G(F(p0)))'
Stuttering acceptance computed with spot in 63 ms :[(NOT p0), (NOT p0)]
Running random walk in product with property : AirplaneLD-COL-0100-LTLFireability-09
Product exploration explored 100000 steps with 17448 reset in 106 ms.
Product exploration explored 100000 steps with 17463 reset in 90 ms.
Computed a total of 10 stabilizing places and 11 stable transitions
Complete graph has no SCC; deadlocks are unavoidable. place count 10 transition count 11
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 20 ms. Proved property starting from automaton with 2 states, 3 edges and 1 AP (stutter insensitive
Knowledge-based reduction took 67 ms.
FORMULA AirplaneLD-COL-0100-LTLFireability-09 TRUE TECHNIQUES KNOWLEDGE
Treatment of property AirplaneLD-COL-0100-LTLFireability-09 finished in 482 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)&&F(p1))) U p2)))'
Support contains 3 out of 20 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 20/20 places, 20/20 transitions.
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 1 place count 19 transition count 19
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 19 transition count 19
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 0 with 1 rules applied. Total rules applied 3 place count 19 transition count 18
Applied a total of 3 rules in 3 ms. Remains 19 /20 variables (removed 1) and now considering 18/20 (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-7514150876542404961.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-14673805216352401087.kers'
[2026-05-22 14:51:47] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-7514150876542404961.kers, --Pflows, --basisKERS=/tmp/petrispot-output-14673805216352401087.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 14:51:47] [INFO ] Computed 1 invariants in 0 ms
Computed 1 P flows in 1 ms.
Exported basis to /tmp/petrispot-output-14673805216352401087.kers
Total runtime 1 ms.
[2026-05-22 14:51:47] [INFO ] Implicit Places using invariants in 84 ms returned [9]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 86 ms to find 1 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 18/20 places, 18/20 transitions.
Applied a total of 0 rules in 1 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 91 ms. Remains : 18/20 places, 18/20 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)&&F(p1))) U p2)))'
Stuttering acceptance computed with spot in 270 ms :[(NOT p2), (NOT p2), (OR (NOT p2) (AND p0 p1)), p0, (AND p0 p1)]
Running random walk in product with property : AirplaneLD-COL-0100-LTLFireability-10
Stuttering criterion allowed to conclude after 12 steps with 3 reset in 0 ms.
FORMULA AirplaneLD-COL-0100-LTLFireability-10 FALSE TECHNIQUES STUTTER_TEST
Treatment of property AirplaneLD-COL-0100-LTLFireability-10 finished in 409 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((p0||G(!p1)))) U (X(X(G((p0||G(!p1)))))||(X(X((p0||G(!p1))))&&p2))))'
Support contains 3 out of 20 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 20/20 places, 20/20 transitions.
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 1 place count 19 transition count 19
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 19 transition count 19
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 0 with 1 rules applied. Total rules applied 3 place count 19 transition count 18
Applied a total of 3 rules in 3 ms. Remains 19 /20 variables (removed 1) and now considering 18/20 (removed 2) transitions.
[2026-05-22 14:51:48] [INFO ] Invariant cache hit.
[2026-05-22 14:51:48] [INFO ] Implicit Places using invariants in 41 ms returned [9]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 53 ms to find 1 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 18/20 places, 18/20 transitions.
Applied a total of 0 rules in 1 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 57 ms. Remains : 18/20 places, 18/20 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)||p1))) U (X(X(G((p1||G(!p0)))))||(X(X((p1||G(!p0))))&&p2))))'
Stuttering acceptance computed with spot in 350 ms :[(AND p0 (NOT p1)), (AND p0 (NOT p1)), (AND p0 (NOT p1)), true, p0, (AND p0 (NOT p1))]
Running random walk in product with property : AirplaneLD-COL-0100-LTLFireability-11
Entered a terminal (fully accepting) state of product in 16 steps with 1 reset in 0 ms.
FORMULA AirplaneLD-COL-0100-LTLFireability-11 FALSE TECHNIQUES STUTTER_TEST
Treatment of property AirplaneLD-COL-0100-LTLFireability-11 finished in 468 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 2 out of 20 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 20/20 places, 20/20 transitions.
Graph (complete) has 18 edges and 20 vertex of which 8 are kept as prefixes of interest. Removing 12 places using SCC suffix rule.0 ms
Discarding 12 places :
Also discarding 12 output transitions
Drop transitions (Output transitions of discarded places.) removed 12 transitions
Applied a total of 1 rules in 1 ms. Remains 8 /20 variables (removed 12) and now considering 8/20 (removed 12) transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-2868904853047713851.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-6610444850780458719.kers'
[2026-05-22 14:51:48] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-2868904853047713851.kers, --Pflows, --basisKERS=/tmp/petrispot-output-6610444850780458719.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 8 rows 8 cols 17 entries
Finished phase 1 with 5 SingleSign rule and 2 generalized
[2026-05-22 14:51:48] [INFO ] Computed 1 invariants in 0 ms
Computed 1 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-6610444850780458719.kers
Total runtime 0 ms.
[2026-05-22 14:51:48] [INFO ] Implicit Places using invariants in 35 ms returned [3]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 36 ms to find 1 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 7/20 places, 8/20 transitions.
Graph (complete) has 5 edges and 7 vertex of which 6 are kept as prefixes of interest. Removing 1 places using SCC suffix rule.0 ms
Discarding 1 places :
Also discarding 1 output transitions
Drop transitions (Output transitions of discarded places.) removed 1 transitions
Applied a total of 1 rules in 4 ms. Remains 6 /7 variables (removed 1) and now considering 7/8 (removed 1) transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-4820326203298845442.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-8275354791409865712.kers'
[2026-05-22 14:51:48] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-4820326203298845442.kers, --Pflows, --basisKERS=/tmp/petrispot-output-8275354791409865712.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 7 rows 6 cols 13 entries
Finished phase 1 with 6 SingleSign rule and 0 generalized
[2026-05-22 14:51:48] [INFO ] Computed 0 invariants in 0 ms
Computed 0 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-8275354791409865712.kers
Total runtime 0 ms.
[2026-05-22 14:51:48] [INFO ] Implicit Places using invariants in 18 ms returned []
[2026-05-22 14:51:48] [INFO ] Invariant cache hit.
[2026-05-22 14:51:48] [INFO ] Implicit Places using invariants and state equation in 16 ms returned []
Implicit Place search using SMT with State Equation took 47 ms to find 0 implicit places.
Starting structural reductions in SI_LTL mode, iteration 2 : 6/20 places, 7/20 transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 88 ms. Remains : 6/20 places, 7/20 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 29 ms :[(NOT p0)]
Running random walk in product with property : AirplaneLD-COL-0100-LTLFireability-12
Stuttering criterion allowed to conclude after 6 steps with 1 reset in 1 ms.
FORMULA AirplaneLD-COL-0100-LTLFireability-12 FALSE TECHNIQUES STUTTER_TEST
Treatment of property AirplaneLD-COL-0100-LTLFireability-12 finished in 150 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)))'
Support contains 2 out of 20 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 20/20 places, 20/20 transitions.
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 1 place count 19 transition count 19
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 19 transition count 19
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 0 with 1 rules applied. Total rules applied 3 place count 19 transition count 18
Applied a total of 3 rules in 1 ms. Remains 19 /20 variables (removed 1) and now considering 18/20 (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-9627651187042307482.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-11919080355373315649.kers'
[2026-05-22 14:51:48] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-9627651187042307482.kers, --Pflows, --basisKERS=/tmp/petrispot-output-11919080355373315649.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 14:51:48] [INFO ] Computed 1 invariants in 0 ms
Computed 1 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-11919080355373315649.kers
Total runtime 0 ms.
[2026-05-22 14:51:48] [INFO ] Implicit Places using invariants in 31 ms returned [9]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 32 ms to find 1 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 18/20 places, 18/20 transitions.
Applied a total of 0 rules in 1 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 34 ms. Remains : 18/20 places, 18/20 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)))'
Stuttering acceptance computed with spot in 115 ms :[(NOT p0), (NOT p0)]
Running random walk in product with property : AirplaneLD-COL-0100-LTLFireability-13
Product exploration explored 100000 steps with 50000 reset in 113 ms.
Product exploration explored 100000 steps with 50000 reset in 67 ms.
Computed a total of 18 stabilizing places and 18 stable transitions
Complete graph has no SCC; deadlocks are unavoidable. place count 18 transition count 18
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 21 ms. Proved property starting from automaton with 2 states, 2 edges and 1 AP (stutter sensitive
Knowledge-based reduction took 49 ms.
FORMULA AirplaneLD-COL-0100-LTLFireability-13 TRUE TECHNIQUES KNOWLEDGE
Treatment of property AirplaneLD-COL-0100-LTLFireability-13 finished in 413 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(!p0)||(!p1&&F(G(p1))))))'
Support contains 3 out of 20 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 20/20 places, 20/20 transitions.
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 1 place count 19 transition count 19
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 19 transition count 19
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 0 with 1 rules applied. Total rules applied 3 place count 19 transition count 18
Applied a total of 3 rules in 1 ms. Remains 19 /20 variables (removed 1) and now considering 18/20 (removed 2) transitions.
[2026-05-22 14:51:49] [INFO ] Invariant cache hit.
[2026-05-22 14:51:49] [INFO ] Implicit Places using invariants in 24 ms returned [9]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 25 ms to find 1 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 18/20 places, 18/20 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 26 ms. Remains : 18/20 places, 18/20 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(p0)||(F(G(p1))&&!p1))))'
Stuttering acceptance computed with spot in 245 ms :[(NOT p0), (NOT p0), (NOT p0), (AND (NOT p0) (NOT p1)), true, (NOT p1)]
Running random walk in product with property : AirplaneLD-COL-0100-LTLFireability-15
Stuttering criterion allowed to conclude after 7 steps with 0 reset in 0 ms.
FORMULA AirplaneLD-COL-0100-LTLFireability-15 FALSE TECHNIQUES STUTTER_TEST
Treatment of property AirplaneLD-COL-0100-LTLFireability-15 finished in 324 ms.
All properties solved by simple procedures.
Total runtime 9698 ms.

BK_STOP 1779461509970

--------------------
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-COL-0100"
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-COL-0100, 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-oct2-177944365800028"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/AirplaneLD-COL-0100.tgz
mv AirplaneLD-COL-0100 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 ;