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-oct2-177944365900100.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-0100, examination is LTLFireability
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r002-oct2-177944365900100
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 1.9M
-rw-r--r-- 1 mcc users 66K Mar 4 16:45 CTLCardinality.txt
-rw-r--r-- 1 mcc users 248K Mar 4 16:45 CTLCardinality.xml
-rw-r--r-- 1 mcc users 43K Mar 4 16:45 CTLFireability.txt
-rw-r--r-- 1 mcc users 265K 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 36K Mar 15 07:00 LTLCardinality.txt
-rw-r--r-- 1 mcc users 109K Mar 15 07:00 LTLCardinality.xml
-rw-r--r-- 1 mcc users 22K Mar 15 07:00 LTLFireability.txt
-rw-r--r-- 1 mcc users 103K Mar 15 07:00 LTLFireability.xml
-rw-r--r-- 1 mcc users 58K Mar 4 16:46 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 237K Mar 4 16:46 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 31K Mar 4 16:46 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 191K Mar 4 16:46 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 8.2K Mar 15 07:00 UpperBounds.txt
-rw-r--r-- 1 mcc users 17K Mar 15 07:00 UpperBounds.xml
-rw-r--r-- 1 mcc users 5 Mar 3 18:30 equiv_col
-rw-r--r-- 1 mcc users 5 Mar 3 18:30 instance
-rw-r--r-- 1 mcc users 6 Mar 3 18:30 iscolored
-rw-r--r-- 1 mcc users 433K 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-0100-LTLFireability-00
FORMULA_NAME AirplaneLD-PT-0100-LTLFireability-01
FORMULA_NAME AirplaneLD-PT-0100-LTLFireability-02
FORMULA_NAME AirplaneLD-PT-0100-LTLFireability-03
FORMULA_NAME AirplaneLD-PT-0100-LTLFireability-04
FORMULA_NAME AirplaneLD-PT-0100-LTLFireability-05
FORMULA_NAME AirplaneLD-PT-0100-LTLFireability-06
FORMULA_NAME AirplaneLD-PT-0100-LTLFireability-07
FORMULA_NAME AirplaneLD-PT-0100-LTLFireability-08
FORMULA_NAME AirplaneLD-PT-0100-LTLFireability-09
FORMULA_NAME AirplaneLD-PT-0100-LTLFireability-10
FORMULA_NAME AirplaneLD-PT-0100-LTLFireability-11
FORMULA_NAME AirplaneLD-PT-0100-LTLFireability-12
FORMULA_NAME AirplaneLD-PT-0100-LTLFireability-13
FORMULA_NAME AirplaneLD-PT-0100-LTLFireability-14
FORMULA_NAME AirplaneLD-PT-0100-LTLFireability-15

=== Now, execution of the tool begins

BK_START 1779461624083

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-0100
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
LTLFireability PT
Running Version 202604301425
[2026-05-22 14:53:45] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, LTLFireability, -its, -ltsmin, -greatspnpath, /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/, -order, META, -manyOrder, -smt, -timeout, 3600]
[2026-05-22 14:53:45] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-05-22 14:53:46] [INFO ] Load time of PNML (sax parser for PT used): 161 ms
[2026-05-22 14:53:46] [INFO ] Transformed 719 places.
[2026-05-22 14:53:46] [INFO ] Transformed 808 transitions.
[2026-05-22 14:53:46] [INFO ] Found NUPN structural information;
[2026-05-22 14:53:46] [INFO ] Parsed PT model containing 719 places and 808 transitions and 3078 arcs in 283 ms.
Parsed 16 properties from file /home/mcc/execution/LTLFireability.xml in 16 ms.
Working with output stream class java.io.PrintStream
Reduce places removed 302 places and 0 transitions.
Support contains 365 out of 417 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 417/417 places, 808/808 transitions.
Reduce places removed 3 places and 0 transitions.
Iterating post reduction 0 with 3 rules applied. Total rules applied 3 place count 414 transition count 808
Discarding 48 places :
Symmetric choice reduction at 1 with 48 rule applications. Total rules 51 place count 366 transition count 760
Iterating global reduction 1 with 48 rules applied. Total rules applied 99 place count 366 transition count 760
Ensure Unique test removed 48 transitions
Reduce isomorphic transitions removed 48 transitions.
Iterating post reduction 1 with 48 rules applied. Total rules applied 147 place count 366 transition count 712
Applied a total of 147 rules in 34 ms. Remains 366 /417 variables (removed 51) and now considering 712/808 (removed 96) transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-9429118241725787160.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-15531593529711197860.kers'
[2026-05-22 14:53:46] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-9429118241725787160.kers, --Pflows, --basisKERS=/tmp/petrispot-output-15531593529711197860.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 712 rows 366 cols 1578 entries
Finished phase 1 with 360 SingleSign rule and 5 generalized
[2026-05-22 14:53:46] [INFO ] Computed 1 invariants in 17 ms
Computed 1 P flows in 18 ms.
Exported basis to /tmp/petrispot-output-15531593529711197860.kers
Total runtime 19 ms.
[2026-05-22 14:53:46] [INFO ] Implicit Places using invariants in 259 ms returned []
[2026-05-22 14:53:46] [INFO ] Invariant cache hit.
[2026-05-22 14:53:47] [INFO ] Implicit Places using invariants and state equation in 507 ms returned []
Implicit Place search using SMT with State Equation took 806 ms to find 0 implicit places.
Running 356 sub problems to find dead transitions.
[2026-05-22 14:53:47] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/361 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 356 unsolved
At refinement iteration 1 (OVERLAPS) 1/362 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 356 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/362 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 356 unsolved
At refinement iteration 3 (OVERLAPS) 712/1074 variables, 362/363 constraints. Problems are: Problem set: 0 solved, 356 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 1074/1078 variables, and 363 constraints, problems are : Problem set: 0 solved, 356 unsolved in 30036 ms.
Refiners :[Generalized P Invariants (flows): 1/1 constraints, State Equation: 362/366 constraints, PredecessorRefiner: 356/356 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 356 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/361 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 356 unsolved
At refinement iteration 1 (OVERLAPS) 1/362 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 356 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/362 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 356 unsolved
At refinement iteration 3 (OVERLAPS) 712/1074 variables, 362/363 constraints. Problems are: Problem set: 0 solved, 356 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/1074 variables, 356/719 constraints. Problems are: Problem set: 0 solved, 356 unsolved
Error getting values : (error "Timeout of Z3 solver reached")
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 1074/1078 variables, and 719 constraints, problems are : Problem set: 0 solved, 356 unsolved in 30028 ms.
Refiners :[Generalized P Invariants (flows): 1/1 constraints, State Equation: 362/366 constraints, PredecessorRefiner: 356/356 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60685ms problems are : Problem set: 0 solved, 356 unsolved
Search for dead transitions found 0 dead transitions in 60715ms
Starting structural reductions in LTL mode, iteration 1 : 366/417 places, 712/808 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 61588 ms. Remains : 366/417 places, 712/808 transitions.
Starting structural reductions in LTL mode, iteration 0 : 366/366 places, 712/712 transitions.
Applied a total of 0 rules in 2 ms. Remains 366 /366 variables (removed 0) and now considering 712/712 (removed 0) transitions.
[2026-05-22 14:54:47] [INFO ] Invariant cache hit.
[2026-05-22 14:54:48] [INFO ] Implicit Places using invariants in 108 ms returned []
[2026-05-22 14:54:48] [INFO ] Invariant cache hit.
[2026-05-22 14:54:48] [INFO ] Implicit Places using invariants and state equation in 506 ms returned []
Implicit Place search using SMT with State Equation took 625 ms to find 0 implicit places.
Skipped dead transition search.
Finished structural reductions in LTL mode , in 1 iterations and 628 ms. Remains : 366/366 places, 712/712 transitions.
Support contains 365 out of 366 places after structural reductions.
[2026-05-22 14:54:49] [INFO ] Flatten gal took : 92 ms
[2026-05-22 14:54:49] [INFO ] Flatten gal took : 58 ms
[2026-05-22 14:54:49] [INFO ] Input system was already deterministic with 712 transitions.
Reduction of identical properties reduced properties to check from 31 to 29
RANDOM walk for 32911 steps (4136 resets) in 2167 ms. (15 steps per ms) remains 0/29 properties
FORMULA AirplaneLD-PT-0100-LTLFireability-07 FALSE TECHNIQUES REACHABILITY_KNOWLEDGE
Computed a total of 366 stabilizing places and 712 stable transitions
Complete graph has no SCC; deadlocks are unavoidable. place count 366 transition count 712
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((p0||X(X(p1))))))'
Support contains 51 out of 366 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 366/366 places, 712/712 transitions.
Discarding 298 places :
Symmetric choice reduction at 0 with 298 rule applications. Total rules 298 place count 68 transition count 414
Iterating global reduction 0 with 298 rules applied. Total rules applied 596 place count 68 transition count 414
Ensure Unique test removed 298 transitions
Reduce isomorphic transitions removed 298 transitions.
Iterating post reduction 0 with 298 rules applied. Total rules applied 894 place count 68 transition count 116
Applied a total of 894 rules in 20 ms. Remains 68 /366 variables (removed 298) and now considering 116/712 (removed 596) transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-18125802961388027567.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-3920310848434569099.kers'
[2026-05-22 14:54:50] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-18125802961388027567.kers, --Pflows, --basisKERS=/tmp/petrispot-output-3920310848434569099.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 116 rows 68 cols 236 entries
Finished phase 1 with 62 SingleSign rule and 5 generalized
[2026-05-22 14:54:50] [INFO ] Computed 1 invariants in 0 ms
Computed 1 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-3920310848434569099.kers
Total runtime 0 ms.
[2026-05-22 14:54:50] [INFO ] Implicit Places using invariants in 145 ms returned [2]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 153 ms to find 1 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 67/366 places, 116/712 transitions.
Applied a total of 0 rules in 1 ms. Remains 67 /67 variables (removed 0) and now considering 116/116 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 174 ms. Remains : 67/366 places, 116/712 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(p0))||p1))))'
Stuttering acceptance computed with spot in 481 ms :[(AND (NOT p1) (NOT p0)), (AND (NOT p1) (NOT p0)), (AND (NOT p1) (NOT p0)), (AND (NOT p1) (NOT p0))]
Running random walk in product with property : AirplaneLD-PT-0100-LTLFireability-00
Product exploration explored 100000 steps with 50000 reset in 554 ms.
Product exploration explored 100000 steps with 50000 reset in 377 ms.
Computed a total of 67 stabilizing places and 116 stable transitions
Complete graph has no SCC; deadlocks are unavoidable. place count 67 transition count 116
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 35 ms. Proved property starting from automaton with 4 states, 4 edges and 2 AP (stutter sensitive
Knowledge-based reduction took 151 ms.
FORMULA AirplaneLD-PT-0100-LTLFireability-00 TRUE TECHNIQUES KNOWLEDGE
Treatment of property AirplaneLD-PT-0100-LTLFireability-00 finished in 1852 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 50 out of 366 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 366/366 places, 712/712 transitions.
Discarding 299 places :
Symmetric choice reduction at 0 with 299 rule applications. Total rules 299 place count 67 transition count 413
Iterating global reduction 0 with 299 rules applied. Total rules applied 598 place count 67 transition count 413
Ensure Unique test removed 299 transitions
Reduce isomorphic transitions removed 299 transitions.
Iterating post reduction 0 with 299 rules applied. Total rules applied 897 place count 67 transition count 114
Applied a total of 897 rules in 8 ms. Remains 67 /366 variables (removed 299) and now considering 114/712 (removed 598) transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-14007003930674179609.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-17989384346837209985.kers'
[2026-05-22 14:54:52] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-14007003930674179609.kers, --Pflows, --basisKERS=/tmp/petrispot-output-17989384346837209985.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 114 rows 67 cols 232 entries
Finished phase 1 with 61 SingleSign rule and 5 generalized
[2026-05-22 14:54:52] [INFO ] Computed 1 invariants in 0 ms
Computed 1 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-17989384346837209985.kers
Total runtime 0 ms.
[2026-05-22 14:54:52] [INFO ] Implicit Places using invariants in 36 ms returned [2]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 38 ms to find 1 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 66/366 places, 114/712 transitions.
Applied a total of 0 rules in 0 ms. Remains 66 /66 variables (removed 0) and now considering 114/114 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 46 ms. Remains : 66/366 places, 114/712 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 96 ms :[true, (NOT p0), (NOT p0), (NOT p0)]
Running random walk in product with property : AirplaneLD-PT-0100-LTLFireability-01
Entered a terminal (fully accepting) state of product in 2 steps with 0 reset in 1 ms.
FORMULA AirplaneLD-PT-0100-LTLFireability-01 FALSE TECHNIQUES STUTTER_TEST
Treatment of property AirplaneLD-PT-0100-LTLFireability-01 finished in 187 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 366 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 366/366 places, 712/712 transitions.
Graph (complete) has 514 edges and 366 vertex of which 1 are kept as prefixes of interest. Removing 365 places using SCC suffix rule.2 ms
Discarding 365 places :
Also discarding 512 output transitions
Drop transitions (Output transitions of discarded places.) removed 512 transitions
Ensure Unique test removed 199 transitions
Reduce isomorphic transitions removed 199 transitions.
Iterating post reduction 0 with 199 rules applied. Total rules applied 200 place count 1 transition count 1
Applied a total of 200 rules in 21 ms. Remains 1 /366 variables (removed 365) and now considering 1/712 (removed 711) transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-5427113275424859137.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-17529031713553998622.kers'
[2026-05-22 14:54:52] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-5427113275424859137.kers, --Pflows, --basisKERS=/tmp/petrispot-output-17529031713553998622.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 14:54:52] [INFO ] Computed 0 invariants in 0 ms
Computed 0 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-17529031713553998622.kers
Total runtime 0 ms.
[2026-05-22 14:54:52] [INFO ] Implicit Places using invariants in 19 ms returned []
[2026-05-22 14:54:52] [INFO ] Invariant cache hit.
[2026-05-22 14:54:52] [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 14:54:52] [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 : 1/366 places, 1/712 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 77 ms. Remains : 1/366 places, 1/712 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 34 ms :[(NOT p0)]
Running random walk in product with property : AirplaneLD-PT-0100-LTLFireability-02
Stuttering criterion allowed to conclude after 1 steps with 0 reset in 1 ms.
FORMULA AirplaneLD-PT-0100-LTLFireability-02 FALSE TECHNIQUES STUTTER_TEST
Treatment of property AirplaneLD-PT-0100-LTLFireability-02 finished in 138 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 56 out of 366 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 366/366 places, 712/712 transitions.
Discarding 299 places :
Symmetric choice reduction at 0 with 299 rule applications. Total rules 299 place count 67 transition count 413
Iterating global reduction 0 with 299 rules applied. Total rules applied 598 place count 67 transition count 413
Ensure Unique test removed 299 transitions
Reduce isomorphic transitions removed 299 transitions.
Iterating post reduction 0 with 299 rules applied. Total rules applied 897 place count 67 transition count 114
Applied a total of 897 rules in 14 ms. Remains 67 /366 variables (removed 299) and now considering 114/712 (removed 598) transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-4026485333725596420.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-10877712616563435254.kers'
[2026-05-22 14:54:52] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-4026485333725596420.kers, --Pflows, --basisKERS=/tmp/petrispot-output-10877712616563435254.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 114 rows 67 cols 232 entries
Finished phase 1 with 61 SingleSign rule and 5 generalized
[2026-05-22 14:54:52] [INFO ] Computed 1 invariants in 0 ms
Computed 1 P flows in 1 ms.
Exported basis to /tmp/petrispot-output-10877712616563435254.kers
Total runtime 1 ms.
[2026-05-22 14:54:52] [INFO ] Implicit Places using invariants in 36 ms returned []
[2026-05-22 14:54:52] [INFO ] Invariant cache hit.
[2026-05-22 14:54:52] [INFO ] Implicit Places using invariants and state equation in 61 ms returned []
Implicit Place search using SMT with State Equation took 111 ms to find 0 implicit places.
Running 57 sub problems to find dead transitions.
[2026-05-22 14:54:52] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/62 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 57 unsolved
At refinement iteration 1 (OVERLAPS) 1/63 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 57 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/63 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 57 unsolved
At refinement iteration 3 (OVERLAPS) 114/177 variables, 63/64 constraints. Problems are: Problem set: 0 solved, 57 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/177 variables, 0/64 constraints. Problems are: Problem set: 0 solved, 57 unsolved
At refinement iteration 5 (OVERLAPS) 4/181 variables, 4/68 constraints. Problems are: Problem set: 0 solved, 57 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/181 variables, 0/68 constraints. Problems are: Problem set: 0 solved, 57 unsolved
At refinement iteration 7 (OVERLAPS) 0/181 variables, 0/68 constraints. Problems are: Problem set: 0 solved, 57 unsolved
No progress, stopping.
After SMT solving in domain Real declared 181/181 variables, and 68 constraints, problems are : Problem set: 0 solved, 57 unsolved in 3085 ms.
Refiners :[Generalized P Invariants (flows): 1/1 constraints, State Equation: 67/67 constraints, PredecessorRefiner: 57/57 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 57 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/62 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 57 unsolved
At refinement iteration 1 (OVERLAPS) 1/63 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 57 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/63 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 57 unsolved
At refinement iteration 3 (OVERLAPS) 114/177 variables, 63/64 constraints. Problems are: Problem set: 0 solved, 57 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/177 variables, 57/121 constraints. Problems are: Problem set: 0 solved, 57 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/177 variables, 0/121 constraints. Problems are: Problem set: 0 solved, 57 unsolved
At refinement iteration 6 (OVERLAPS) 4/181 variables, 4/125 constraints. Problems are: Problem set: 0 solved, 57 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/181 variables, 0/125 constraints. Problems are: Problem set: 0 solved, 57 unsolved
At refinement iteration 8 (OVERLAPS) 0/181 variables, 0/125 constraints. Problems are: Problem set: 0 solved, 57 unsolved
No progress, stopping.
After SMT solving in domain Int declared 181/181 variables, and 125 constraints, problems are : Problem set: 0 solved, 57 unsolved in 3863 ms.
Refiners :[Generalized P Invariants (flows): 1/1 constraints, State Equation: 67/67 constraints, PredecessorRefiner: 57/57 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 6972ms problems are : Problem set: 0 solved, 57 unsolved
Search for dead transitions found 0 dead transitions in 6973ms
Starting structural reductions in LTL mode, iteration 1 : 67/366 places, 114/712 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 7098 ms. Remains : 67/366 places, 114/712 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 668 ms :[(OR (NOT p3) (NOT p4)), (OR (AND (NOT p0) (NOT p1) (NOT p3)) (AND (NOT p0) (NOT p1) (NOT p4))), (AND (NOT p0) p2 p1), (AND (NOT p0) p2), (NOT p4), (AND (NOT p0) (NOT p1) (NOT p4)), (AND (NOT p0) p2 p1 p3 (NOT p4)), (AND (NOT p0) p2 p3 (NOT p4))]
Running random walk in product with property : AirplaneLD-PT-0100-LTLFireability-03
Stuttering criterion allowed to conclude after 63 steps with 28 reset in 2 ms.
FORMULA AirplaneLD-PT-0100-LTLFireability-03 FALSE TECHNIQUES STUTTER_TEST
Treatment of property AirplaneLD-PT-0100-LTLFireability-03 finished in 7864 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 104 out of 366 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 366/366 places, 712/712 transitions.
Graph (complete) has 514 edges and 366 vertex of which 210 are kept as prefixes of interest. Removing 156 places using SCC suffix rule.1 ms
Discarding 156 places :
Also discarding 304 output transitions
Drop transitions (Output transitions of discarded places.) removed 304 transitions
Discarding 98 places :
Symmetric choice reduction at 0 with 98 rule applications. Total rules 99 place count 112 transition count 310
Iterating global reduction 0 with 98 rules applied. Total rules applied 197 place count 112 transition count 310
Ensure Unique test removed 98 transitions
Reduce isomorphic transitions removed 98 transitions.
Iterating post reduction 0 with 98 rules applied. Total rules applied 295 place count 112 transition count 212
Applied a total of 295 rules in 14 ms. Remains 112 /366 variables (removed 254) and now considering 212/712 (removed 500) transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-8658594195815966317.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-6337467692166662442.kers'
[2026-05-22 14:55:00] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-8658594195815966317.kers, --Pflows, --basisKERS=/tmp/petrispot-output-6337467692166662442.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 212 rows 112 cols 426 entries
Finished phase 1 with 108 SingleSign rule and 3 generalized
[2026-05-22 14:55:00] [INFO ] Computed 1 invariants in 0 ms
Computed 1 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-6337467692166662442.kers
Total runtime 1 ms.
[2026-05-22 14:55:00] [INFO ] Implicit Places using invariants in 32 ms returned []
[2026-05-22 14:55:00] [INFO ] Invariant cache hit.
[2026-05-22 14:55:00] [INFO ] Implicit Places using invariants and state equation in 114 ms returned []
Implicit Place search using SMT with State Equation took 149 ms to find 0 implicit places.
[2026-05-22 14:55:00] [INFO ] Redundant transitions in 11 ms returned []
Running 106 sub problems to find dead transitions.
[2026-05-22 14:55:00] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/109 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 106 unsolved
At refinement iteration 1 (OVERLAPS) 1/110 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 106 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/110 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 106 unsolved
At refinement iteration 3 (OVERLAPS) 212/322 variables, 110/111 constraints. Problems are: Problem set: 0 solved, 106 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/322 variables, 0/111 constraints. Problems are: Problem set: 0 solved, 106 unsolved
At refinement iteration 5 (OVERLAPS) 2/324 variables, 2/113 constraints. Problems are: Problem set: 0 solved, 106 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/324 variables, 0/113 constraints. Problems are: Problem set: 0 solved, 106 unsolved
At refinement iteration 7 (OVERLAPS) 0/324 variables, 0/113 constraints. Problems are: Problem set: 0 solved, 106 unsolved
No progress, stopping.
After SMT solving in domain Real declared 324/324 variables, and 113 constraints, problems are : Problem set: 0 solved, 106 unsolved in 8206 ms.
Refiners :[Generalized P Invariants (flows): 1/1 constraints, State Equation: 112/112 constraints, PredecessorRefiner: 106/106 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 106 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/109 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 106 unsolved
At refinement iteration 1 (OVERLAPS) 1/110 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 106 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/110 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 106 unsolved
At refinement iteration 3 (OVERLAPS) 212/322 variables, 110/111 constraints. Problems are: Problem set: 0 solved, 106 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/322 variables, 106/217 constraints. Problems are: Problem set: 0 solved, 106 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/322 variables, 0/217 constraints. Problems are: Problem set: 0 solved, 106 unsolved
At refinement iteration 6 (OVERLAPS) 2/324 variables, 2/219 constraints. Problems are: Problem set: 0 solved, 106 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/324 variables, 0/219 constraints. Problems are: Problem set: 0 solved, 106 unsolved
At refinement iteration 8 (OVERLAPS) 0/324 variables, 0/219 constraints. Problems are: Problem set: 0 solved, 106 unsolved
No progress, stopping.
After SMT solving in domain Int declared 324/324 variables, and 219 constraints, problems are : Problem set: 0 solved, 106 unsolved in 11459 ms.
Refiners :[Generalized P Invariants (flows): 1/1 constraints, State Equation: 112/112 constraints, PredecessorRefiner: 106/106 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 19727ms problems are : Problem set: 0 solved, 106 unsolved
Search for dead transitions found 0 dead transitions in 19728ms
Starting structural reductions in SI_LTL mode, iteration 1 : 112/366 places, 212/712 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 19910 ms. Remains : 112/366 places, 212/712 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 120 ms :[(OR (NOT p0) (NOT p1)), (NOT p0), (NOT p1)]
Running random walk in product with property : AirplaneLD-PT-0100-LTLFireability-04
Stuttering criterion allowed to conclude after 4 steps with 0 reset in 0 ms.
FORMULA AirplaneLD-PT-0100-LTLFireability-04 FALSE TECHNIQUES STUTTER_TEST
Treatment of property AirplaneLD-PT-0100-LTLFireability-04 finished in 20062 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||X(F((X(F((p2||(G(!p3)&&X(!p2)))))&&p1))))))'
Support contains 53 out of 366 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 366/366 places, 712/712 transitions.
Discarding 298 places :
Symmetric choice reduction at 0 with 298 rule applications. Total rules 298 place count 68 transition count 414
Iterating global reduction 0 with 298 rules applied. Total rules applied 596 place count 68 transition count 414
Ensure Unique test removed 298 transitions
Reduce isomorphic transitions removed 298 transitions.
Iterating post reduction 0 with 298 rules applied. Total rules applied 894 place count 68 transition count 116
Applied a total of 894 rules in 4 ms. Remains 68 /366 variables (removed 298) and now considering 116/712 (removed 596) transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-11267081430481926402.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-733011479363313653.kers'
[2026-05-22 14:55:20] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-11267081430481926402.kers, --Pflows, --basisKERS=/tmp/petrispot-output-733011479363313653.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 116 rows 68 cols 236 entries
Finished phase 1 with 62 SingleSign rule and 5 generalized
[2026-05-22 14:55:20] [INFO ] Computed 1 invariants in 0 ms
Computed 1 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-733011479363313653.kers
Total runtime 0 ms.
[2026-05-22 14:55:20] [INFO ] Implicit Places using invariants in 48 ms returned [2]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 60 ms to find 1 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 67/366 places, 116/712 transitions.
Applied a total of 0 rules in 1 ms. Remains 67 /67 variables (removed 0) and now considering 116/116 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 65 ms. Remains : 67/366 places, 116/712 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((X(F((p1||(G(p2)&&X(!p1)))))&&p0)))||p3)))'
Stuttering acceptance computed with spot in 136 ms :[(OR (AND (NOT p1) (NOT p2) (NOT p3)) (AND (NOT p0) (NOT p3))), (OR (NOT p0) (AND (NOT p1) (NOT p2))), (AND (NOT p1) (NOT p2))]
Running random walk in product with property : AirplaneLD-PT-0100-LTLFireability-05
Product exploration explored 100000 steps with 12578 reset in 372 ms.
Product exploration explored 100000 steps with 12624 reset in 360 ms.
Computed a total of 67 stabilizing places and 116 stable transitions
Complete graph has no SCC; deadlocks are unavoidable. place count 67 transition count 116
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)...)
Knowledge based reduction with 8 factoid took 122 ms. Proved property starting from automaton with 3 states, 6 edges and 4 AP (stutter sensitive
Knowledge-based reduction took 206 ms.
FORMULA AirplaneLD-PT-0100-LTLFireability-05 TRUE TECHNIQUES KNOWLEDGE
Treatment of property AirplaneLD-PT-0100-LTLFireability-05 finished in 1180 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 153 out of 366 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 366/366 places, 712/712 transitions.
Discarding 199 places :
Symmetric choice reduction at 0 with 199 rule applications. Total rules 199 place count 167 transition count 513
Iterating global reduction 0 with 199 rules applied. Total rules applied 398 place count 167 transition count 513
Ensure Unique test removed 199 transitions
Reduce isomorphic transitions removed 199 transitions.
Iterating post reduction 0 with 199 rules applied. Total rules applied 597 place count 167 transition count 314
Applied a total of 597 rules in 4 ms. Remains 167 /366 variables (removed 199) and now considering 314/712 (removed 398) transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-2290275618691190527.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-17527750207619081077.kers'
[2026-05-22 14:55:21] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-2290275618691190527.kers, --Pflows, --basisKERS=/tmp/petrispot-output-17527750207619081077.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 314 rows 167 cols 682 entries
Finished phase 1 with 161 SingleSign rule and 5 generalized
[2026-05-22 14:55:21] [INFO ] Computed 1 invariants in 1 ms
Computed 1 P flows in 2 ms.
Exported basis to /tmp/petrispot-output-17527750207619081077.kers
Total runtime 2 ms.
[2026-05-22 14:55:22] [INFO ] Implicit Places using invariants in 63 ms returned [2]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 76 ms to find 1 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 166/366 places, 314/712 transitions.
Applied a total of 0 rules in 1 ms. Remains 166 /166 variables (removed 0) and now considering 314/314 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 81 ms. Remains : 166/366 places, 314/712 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 263 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-PT-0100-LTLFireability-06
Entered a terminal (fully accepting) state of product in 12 steps with 5 reset in 1 ms.
FORMULA AirplaneLD-PT-0100-LTLFireability-06 FALSE TECHNIQUES STUTTER_TEST
Treatment of property AirplaneLD-PT-0100-LTLFireability-06 finished in 382 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(G(p0)))'
Support contains 2 out of 366 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 366/366 places, 712/712 transitions.
Discarding 347 places :
Symmetric choice reduction at 0 with 347 rule applications. Total rules 347 place count 19 transition count 365
Iterating global reduction 0 with 347 rules applied. Total rules applied 694 place count 19 transition count 365
Ensure Unique test removed 347 transitions
Reduce isomorphic transitions removed 347 transitions.
Iterating post reduction 0 with 347 rules applied. Total rules applied 1041 place count 19 transition count 18
Applied a total of 1041 rules in 12 ms. Remains 19 /366 variables (removed 347) and now considering 18/712 (removed 694) transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-2612158915858424302.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-3696327926134795945.kers'
[2026-05-22 14:55:22] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-2612158915858424302.kers, --Pflows, --basisKERS=/tmp/petrispot-output-3696327926134795945.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 14:55:22] [INFO ] Computed 1 invariants in 0 ms
Computed 1 P flows in 1 ms.
Exported basis to /tmp/petrispot-output-3696327926134795945.kers
Total runtime 2 ms.
[2026-05-22 14:55:22] [INFO ] Implicit Places using invariants in 59 ms returned []
[2026-05-22 14:55:22] [INFO ] Invariant cache hit.
[2026-05-22 14:55:22] [INFO ] Implicit Places using invariants and state equation in 44 ms returned []
Implicit Place search using SMT with State Equation took 105 ms to find 0 implicit places.
Running 9 sub problems to find dead transitions.
[2026-05-22 14:55:22] [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 193 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 212 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 408ms problems are : Problem set: 0 solved, 9 unsolved
Search for dead transitions found 0 dead transitions in 408ms
Starting structural reductions in LTL mode, iteration 1 : 19/366 places, 18/712 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 525 ms. Remains : 19/366 places, 18/712 transitions.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(G(p0)))'
Stuttering acceptance computed with spot in 129 ms :[true, (NOT p0), (NOT p0)]
Running random walk in product with property : AirplaneLD-PT-0100-LTLFireability-08
Entered a terminal (fully accepting) state of product in 5 steps with 0 reset in 0 ms.
FORMULA AirplaneLD-PT-0100-LTLFireability-08 FALSE TECHNIQUES STUTTER_TEST
Treatment of property AirplaneLD-PT-0100-LTLFireability-08 finished in 683 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||X((p1 U p2)))))'
Support contains 2 out of 366 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 366/366 places, 712/712 transitions.
Discarding 347 places :
Symmetric choice reduction at 0 with 347 rule applications. Total rules 347 place count 19 transition count 365
Iterating global reduction 0 with 347 rules applied. Total rules applied 694 place count 19 transition count 365
Ensure Unique test removed 347 transitions
Reduce isomorphic transitions removed 347 transitions.
Iterating post reduction 0 with 347 rules applied. Total rules applied 1041 place count 19 transition count 18
Applied a total of 1041 rules in 9 ms. Remains 19 /366 variables (removed 347) and now considering 18/712 (removed 694) transitions.
[2026-05-22 14:55:23] [INFO ] Invariant cache hit.
[2026-05-22 14:55:23] [INFO ] Implicit Places using invariants in 64 ms returned [2]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 66 ms to find 1 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 18/366 places, 18/712 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 75 ms. Remains : 18/366 places, 18/712 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||X((p1 U p2)))))'
Stuttering acceptance computed with spot in 83 ms :[(AND (NOT p0) (NOT p2)), (NOT p2), true]
Running random walk in product with property : AirplaneLD-PT-0100-LTLFireability-09
Entered a terminal (fully accepting) state of product in 8 steps with 1 reset in 0 ms.
FORMULA AirplaneLD-PT-0100-LTLFireability-09 FALSE TECHNIQUES STUTTER_TEST
Treatment of property AirplaneLD-PT-0100-LTLFireability-09 finished in 197 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)||(p1&&X(X(X(G(p2))))))))'
Support contains 5 out of 366 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 366/366 places, 712/712 transitions.
Discarding 345 places :
Symmetric choice reduction at 0 with 345 rule applications. Total rules 345 place count 21 transition count 367
Iterating global reduction 0 with 345 rules applied. Total rules applied 690 place count 21 transition count 367
Ensure Unique test removed 345 transitions
Reduce isomorphic transitions removed 345 transitions.
Iterating post reduction 0 with 345 rules applied. Total rules applied 1035 place count 21 transition count 22
Applied a total of 1035 rules in 5 ms. Remains 21 /366 variables (removed 345) and now considering 22/712 (removed 690) transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-10128075240805449994.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-17002118311570620821.kers'
[2026-05-22 14:55:23] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-10128075240805449994.kers, --Pflows, --basisKERS=/tmp/petrispot-output-17002118311570620821.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 14:55:23] [INFO ] Computed 1 invariants in 0 ms
Computed 1 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-17002118311570620821.kers
Total runtime 0 ms.
[2026-05-22 14:55:23] [INFO ] Implicit Places using invariants in 32 ms returned [2]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 35 ms to find 1 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 20/366 places, 22/712 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 41 ms. Remains : 20/366 places, 22/712 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)||(p1&&X(X(X(G(p2))))))))'
Stuttering acceptance computed with spot in 289 ms :[(NOT p0), (OR (AND (NOT p0) (NOT p1)) (AND (NOT p0) (NOT p2))), (OR (AND (NOT p0) (NOT p1)) (AND (NOT p0) (NOT p2))), (AND (NOT p0) (NOT p2)), (AND (NOT p0) (NOT p2)), (AND (NOT p0) (NOT p2))]
Running random walk in product with property : AirplaneLD-PT-0100-LTLFireability-10
Stuttering criterion allowed to conclude after 6 steps with 0 reset in 0 ms.
FORMULA AirplaneLD-PT-0100-LTLFireability-10 FALSE TECHNIQUES STUTTER_TEST
Treatment of property AirplaneLD-PT-0100-LTLFireability-10 finished in 359 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)||(X(p1)&&G(p2))))'
Support contains 5 out of 366 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 366/366 places, 712/712 transitions.
Discarding 346 places :
Symmetric choice reduction at 0 with 346 rule applications. Total rules 346 place count 20 transition count 366
Iterating global reduction 0 with 346 rules applied. Total rules applied 692 place count 20 transition count 366
Ensure Unique test removed 346 transitions
Reduce isomorphic transitions removed 346 transitions.
Iterating post reduction 0 with 346 rules applied. Total rules applied 1038 place count 20 transition count 20
Applied a total of 1038 rules in 4 ms. Remains 20 /366 variables (removed 346) and now considering 20/712 (removed 692) transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-13372847368076050031.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-4645947309206337282.kers'
[2026-05-22 14:55:23] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-13372847368076050031.kers, --Pflows, --basisKERS=/tmp/petrispot-output-4645947309206337282.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 14:55:23] [INFO ] Computed 1 invariants in 0 ms
Computed 1 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-4645947309206337282.kers
Total runtime 0 ms.
[2026-05-22 14:55:23] [INFO ] Implicit Places using invariants in 26 ms returned [2]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 28 ms to find 1 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 19/366 places, 20/712 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 32 ms. Remains : 19/366 places, 20/712 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)||(X(p1)&&G(p2))))'
Stuttering acceptance computed with spot in 166 ms :[true, (NOT p0), (OR (AND (NOT p0) (NOT p2)) (AND (NOT p0) (NOT p1))), (OR (AND (NOT p0) (NOT p2)) (AND (NOT p0) (NOT p1))), (NOT p2)]
Running random walk in product with property : AirplaneLD-PT-0100-LTLFireability-11
Entered a terminal (fully accepting) state of product in 1 steps with 0 reset in 0 ms.
FORMULA AirplaneLD-PT-0100-LTLFireability-11 FALSE TECHNIQUES STUTTER_TEST
Treatment of property AirplaneLD-PT-0100-LTLFireability-11 finished in 223 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&&F(p1))))'
Support contains 3 out of 366 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 366/366 places, 712/712 transitions.
Graph (complete) has 514 edges and 366 vertex of which 211 are kept as prefixes of interest. Removing 155 places using SCC suffix rule.1 ms
Discarding 155 places :
Also discarding 204 output transitions
Drop transitions (Output transitions of discarded places.) removed 204 transitions
Ensure Unique test removed 99 transitions
Reduce isomorphic transitions removed 99 transitions.
Iterating post reduction 0 with 99 rules applied. Total rules applied 100 place count 211 transition count 409
Discarding 198 places :
Symmetric choice reduction at 1 with 198 rule applications. Total rules 298 place count 13 transition count 211
Iterating global reduction 1 with 198 rules applied. Total rules applied 496 place count 13 transition count 211
Ensure Unique test removed 198 transitions
Reduce isomorphic transitions removed 198 transitions.
Iterating post reduction 1 with 198 rules applied. Total rules applied 694 place count 13 transition count 13
Applied a total of 694 rules in 7 ms. Remains 13 /366 variables (removed 353) and now considering 13/712 (removed 699) transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-12251395962860556106.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-3479764038083693951.kers'
[2026-05-22 14:55:23] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-12251395962860556106.kers, --Pflows, --basisKERS=/tmp/petrispot-output-3479764038083693951.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 14:55:23] [INFO ] Computed 1 invariants in 0 ms
Computed 1 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-3479764038083693951.kers
Total runtime 0 ms.
[2026-05-22 14:55:23] [INFO ] Implicit Places using invariants in 44 ms returned [2]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 45 ms to find 1 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 12/366 places, 13/712 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-3520560906146080134.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-707648046243027478.kers'
[2026-05-22 14:55:23] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-3520560906146080134.kers, --Pflows, --basisKERS=/tmp/petrispot-output-707648046243027478.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 14:55:23] [INFO ] Computed 0 invariants in 0 ms
Computed 0 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-707648046243027478.kers
Total runtime 0 ms.
[2026-05-22 14:55:23] [INFO ] Implicit Places using invariants in 24 ms returned []
[2026-05-22 14:55:23] [INFO ] Invariant cache hit.
[2026-05-22 14:55:23] [INFO ] Implicit Places using invariants and state equation in 26 ms returned []
Implicit Place search using SMT with State Equation took 52 ms to find 0 implicit places.
Starting structural reductions in SI_LTL mode, iteration 2 : 10/366 places, 11/712 transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 106 ms. Remains : 10/366 places, 11/712 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&&F(p1))))'
Stuttering acceptance computed with spot in 130 ms :[(NOT p1), (OR (NOT p0) (NOT p1))]
Running random walk in product with property : AirplaneLD-PT-0100-LTLFireability-12
Product exploration explored 100000 steps with 23982 reset in 83 ms.
Product exploration explored 100000 steps with 23892 reset in 68 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 7 factoid took 11 ms. Proved property starting from automaton with 2 states, 3 edges and 2 AP (stutter insensitive
Knowledge-based reduction took 73 ms.
FORMULA AirplaneLD-PT-0100-LTLFireability-12 TRUE TECHNIQUES KNOWLEDGE
Treatment of property AirplaneLD-PT-0100-LTLFireability-12 finished in 491 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((F(p1)&&F(p2)))))'
Support contains 5 out of 366 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 366/366 places, 712/712 transitions.
Discarding 346 places :
Symmetric choice reduction at 0 with 346 rule applications. Total rules 346 place count 20 transition count 366
Iterating global reduction 0 with 346 rules applied. Total rules applied 692 place count 20 transition count 366
Ensure Unique test removed 346 transitions
Reduce isomorphic transitions removed 346 transitions.
Iterating post reduction 0 with 346 rules applied. Total rules applied 1038 place count 20 transition count 20
Applied a total of 1038 rules in 9 ms. Remains 20 /366 variables (removed 346) and now considering 20/712 (removed 692) transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-16596065410230727383.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-12343382729810414398.kers'
[2026-05-22 14:55:24] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-16596065410230727383.kers, --Pflows, --basisKERS=/tmp/petrispot-output-12343382729810414398.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 20 rows 20 cols 45 entries
Finished phase 1 with 14 SingleSign rule and 5 generalized
[2026-05-22 14:55:24] [INFO ] Computed 1 invariants in 0 ms
Computed 1 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-12343382729810414398.kers
Total runtime 0 ms.
[2026-05-22 14:55:24] [INFO ] Implicit Places using invariants in 38 ms returned [2]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 40 ms to find 1 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 19/366 places, 20/712 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 49 ms. Remains : 19/366 places, 20/712 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((F(p1)&&F(p2)))))'
Stuttering acceptance computed with spot in 210 ms :[(OR (NOT p1) (NOT p2) (NOT p0)), (NOT p0), (OR (NOT p1) (NOT p2)), (NOT p1), (NOT p2)]
Running random walk in product with property : AirplaneLD-PT-0100-LTLFireability-13
Stuttering criterion allowed to conclude after 26 steps with 10 reset in 0 ms.
FORMULA AirplaneLD-PT-0100-LTLFireability-13 FALSE TECHNIQUES STUTTER_TEST
Treatment of property AirplaneLD-PT-0100-LTLFireability-13 finished in 290 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!((G(p0) U (X(X(X(G(p1))))||(!p0&&X(!p2)))))'
Support contains 4 out of 366 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 366/366 places, 712/712 transitions.
Discarding 344 places :
Symmetric choice reduction at 0 with 344 rule applications. Total rules 344 place count 22 transition count 368
Iterating global reduction 0 with 344 rules applied. Total rules applied 688 place count 22 transition count 368
Ensure Unique test removed 344 transitions
Reduce isomorphic transitions removed 344 transitions.
Iterating post reduction 0 with 344 rules applied. Total rules applied 1032 place count 22 transition count 24
Applied a total of 1032 rules in 6 ms. Remains 22 /366 variables (removed 344) and now considering 24/712 (removed 688) transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-15500702739948225924.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-989619120852832387.kers'
[2026-05-22 14:55:24] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-15500702739948225924.kers, --Pflows, --basisKERS=/tmp/petrispot-output-989619120852832387.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 24 rows 22 cols 52 entries
Finished phase 1 with 16 SingleSign rule and 5 generalized
[2026-05-22 14:55:24] [INFO ] Computed 1 invariants in 0 ms
Computed 1 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-989619120852832387.kers
Total runtime 0 ms.
[2026-05-22 14:55:24] [INFO ] Implicit Places using invariants in 58 ms returned [2]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 58 ms to find 1 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 21/366 places, 24/712 transitions.
Applied a total of 0 rules in 1 ms. Remains 21 /21 variables (removed 0) and now considering 24/24 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 65 ms. Remains : 21/366 places, 24/712 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(X(X(G(p1))))||(!p0&&X(!p2)))))'
Stuttering acceptance computed with spot in 406 ms :[(AND p2 (NOT p1)), (AND (NOT p1) (NOT p0)), (NOT p1), (NOT p1), true, (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1)), (OR (AND p0 (NOT p1)) (AND (NOT p1) p2)), (AND (NOT p0) p1)]
Running random walk in product with property : AirplaneLD-PT-0100-LTLFireability-14
Product exploration explored 100000 steps with 50000 reset in 87 ms.
Product exploration explored 100000 steps with 50000 reset in 70 ms.
Computed a total of 21 stabilizing places and 24 stable transitions
Complete graph has no SCC; deadlocks are unavoidable. place count 21 transition count 24
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 14 factoid took 10 ms. Proved property starting from automaton with 9 states, 17 edges and 3 AP (stutter sensitive
Knowledge-based reduction took 77 ms.
FORMULA AirplaneLD-PT-0100-LTLFireability-14 TRUE TECHNIQUES KNOWLEDGE
Treatment of property AirplaneLD-PT-0100-LTLFireability-14 finished in 769 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(X(F(X(((X(G(X(p0))) U p1)&&X(p1)))))))'
Support contains 3 out of 366 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 366/366 places, 712/712 transitions.
Discarding 346 places :
Symmetric choice reduction at 0 with 346 rule applications. Total rules 346 place count 20 transition count 366
Iterating global reduction 0 with 346 rules applied. Total rules applied 692 place count 20 transition count 366
Ensure Unique test removed 346 transitions
Reduce isomorphic transitions removed 346 transitions.
Iterating post reduction 0 with 346 rules applied. Total rules applied 1038 place count 20 transition count 20
Applied a total of 1038 rules in 3 ms. Remains 20 /366 variables (removed 346) and now considering 20/712 (removed 692) transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-1781309319288016213.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-16290533983223207299.kers'
[2026-05-22 14:55:25] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-1781309319288016213.kers, --Pflows, --basisKERS=/tmp/petrispot-output-16290533983223207299.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 20 rows 20 cols 45 entries
Finished phase 1 with 14 SingleSign rule and 5 generalized
[2026-05-22 14:55:25] [INFO ] Computed 1 invariants in 0 ms
Computed 1 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-16290533983223207299.kers
Total runtime 0 ms.
[2026-05-22 14:55:25] [INFO ] Implicit Places using invariants in 115 ms returned [2]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 129 ms to find 1 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 19/366 places, 20/712 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 132 ms. Remains : 19/366 places, 20/712 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(X(F(X(((X(G(X(p0))) U p1)&&X(p1)))))))'
Stuttering acceptance computed with spot in 303 ms :[(NOT p1), (NOT p1), (NOT p1), (NOT p1), (NOT p1), (AND (NOT p1) (NOT p0)), (AND (NOT p1) (NOT p0))]
Running random walk in product with property : AirplaneLD-PT-0100-LTLFireability-15
Stuttering criterion allowed to conclude after 7 steps with 0 reset in 0 ms.
FORMULA AirplaneLD-PT-0100-LTLFireability-15 FALSE TECHNIQUES STUTTER_TEST
Treatment of property AirplaneLD-PT-0100-LTLFireability-15 finished in 463 ms.
All properties solved by simple procedures.
Total runtime 99996 ms.

BK_STOP 1779461726175

--------------------
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-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-PT-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-oct2-177944365900100"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

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