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-oct2-177944365900124.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-1000, examination is LTLFireability
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r002-oct2-177944365900124
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 20M
-rw-r--r-- 1 mcc users 795K Mar 4 16:51 CTLCardinality.txt
-rw-r--r-- 1 mcc users 2.7M Mar 4 16:51 CTLCardinality.xml
-rw-r--r-- 1 mcc users 339K Mar 4 16:50 CTLFireability.txt
-rw-r--r-- 1 mcc users 2.0M Mar 4 16:50 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 327K Mar 15 07:01 LTLCardinality.txt
-rw-r--r-- 1 mcc users 842K Mar 15 07:01 LTLCardinality.xml
-rw-r--r-- 1 mcc users 238K Mar 15 07:01 LTLFireability.txt
-rw-r--r-- 1 mcc users 1000K Mar 15 07:01 LTLFireability.xml
-rw-r--r-- 1 mcc users 733K Mar 4 16:53 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 2.3M Mar 4 16:53 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 609K Mar 4 16:52 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 3.2M Mar 4 16:52 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 48K Mar 15 07:01 UpperBounds.txt
-rw-r--r-- 1 mcc users 91K Mar 15 07:01 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 4.3M 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-1000-LTLFireability-00
FORMULA_NAME AirplaneLD-PT-1000-LTLFireability-01
FORMULA_NAME AirplaneLD-PT-1000-LTLFireability-02
FORMULA_NAME AirplaneLD-PT-1000-LTLFireability-03
FORMULA_NAME AirplaneLD-PT-1000-LTLFireability-04
FORMULA_NAME AirplaneLD-PT-1000-LTLFireability-05
FORMULA_NAME AirplaneLD-PT-1000-LTLFireability-06
FORMULA_NAME AirplaneLD-PT-1000-LTLFireability-07
FORMULA_NAME AirplaneLD-PT-1000-LTLFireability-08
FORMULA_NAME AirplaneLD-PT-1000-LTLFireability-09
FORMULA_NAME AirplaneLD-PT-1000-LTLFireability-10
FORMULA_NAME AirplaneLD-PT-1000-LTLFireability-11
FORMULA_NAME AirplaneLD-PT-1000-LTLFireability-12
FORMULA_NAME AirplaneLD-PT-1000-LTLFireability-13
FORMULA_NAME AirplaneLD-PT-1000-LTLFireability-14
FORMULA_NAME AirplaneLD-PT-1000-LTLFireability-15

=== Now, execution of the tool begins

BK_START 1779461729258

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-1000
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
LTLFireability PT
Running Version 202604301425
[2026-05-22 14:55:30] [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 14:55:30] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-05-22 14:55:31] [INFO ] Load time of PNML (sax parser for PT used): 506 ms
[2026-05-22 14:55:31] [INFO ] Transformed 7019 places.
[2026-05-22 14:55:31] [INFO ] Transformed 8008 transitions.
[2026-05-22 14:55:31] [INFO ] Found NUPN structural information;
[2026-05-22 14:55:31] [INFO ] Parsed PT model containing 7019 places and 8008 transitions and 30528 arcs in 654 ms.
Parsed 16 properties from file /home/mcc/execution/LTLFireability.xml in 77 ms.
Working with output stream class java.io.PrintStream
Initial state reduction rules removed 7 formulas.
Reduce places removed 3002 places and 0 transitions.
FORMULA AirplaneLD-PT-1000-LTLFireability-00 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA AirplaneLD-PT-1000-LTLFireability-02 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA AirplaneLD-PT-1000-LTLFireability-03 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA AirplaneLD-PT-1000-LTLFireability-04 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA AirplaneLD-PT-1000-LTLFireability-11 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA AirplaneLD-PT-1000-LTLFireability-13 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA AirplaneLD-PT-1000-LTLFireability-14 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Support contains 2514 out of 4017 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 4017/4017 places, 8008/8008 transitions.
Reduce places removed 3 places and 0 transitions.
Iterating post reduction 0 with 3 rules applied. Total rules applied 3 place count 4014 transition count 8008
Discarding 1496 places :
Symmetric choice reduction at 1 with 1496 rule applications. Total rules 1499 place count 2518 transition count 6512
Iterating global reduction 1 with 1496 rules applied. Total rules applied 2995 place count 2518 transition count 6512
Ensure Unique test removed 1496 transitions
Reduce isomorphic transitions removed 1496 transitions.
Iterating post reduction 1 with 1496 rules applied. Total rules applied 4491 place count 2518 transition count 5016
Applied a total of 4491 rules in 206 ms. Remains 2518 /4017 variables (removed 1499) and now considering 5016/8008 (removed 2992) transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-12467966512733889491.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-9865975416013001846.kers'
[2026-05-22 14:55:33] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-12467966512733889491.kers, --Pflows, --basisKERS=/tmp/petrispot-output-9865975416013001846.kers]
Culled 0 columns in 3 ms.
// Phase 1: matrix 5016 rows 2518 cols 11037 entries
Finished phase 1 with 2512 SingleSign rule and 5 generalized
[2026-05-22 14:55:33] [INFO ] Computed 1 invariants in 80 ms
Computed 1 P flows in 82 ms.
Exported basis to /tmp/petrispot-output-9865975416013001846.kers
Total runtime 85 ms.
[2026-05-22 14:55:33] [INFO ] Implicit Places using invariants in 727 ms returned []
[2026-05-22 14:55:33] [INFO ] Invariant cache hit.
[2026-05-22 14:55:37] [INFO ] Implicit Places using invariants and state equation in 4014 ms returned []
Implicit Place search using SMT with State Equation took 4780 ms to find 0 implicit places.
Running 2508 sub problems to find dead transitions.
[2026-05-22 14:55:37] [INFO ] Invariant cache hit.
Excessive predecessor constraint size, skipping predecessor.
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 2513/7534 variables, and 0 constraints, problems are : Problem set: 0 solved, 2508 unsolved in 30086 ms.
Refiners :[Generalized P Invariants (flows): 0/1 constraints, State Equation: 0/2518 constraints, PredecessorRefiner: 2508/7 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 2508 unsolved
Error getting values : (error "Timeout of Z3 solver reached")
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 2513/7534 variables, and 0 constraints, problems are : Problem set: 0 solved, 2508 unsolved in 30107 ms.
Refiners :[Generalized P Invariants (flows): 0/1 constraints, State Equation: 0/2518 constraints, PredecessorRefiner: 2501/7 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 67454ms problems are : Problem set: 0 solved, 2508 unsolved
Search for dead transitions found 0 dead transitions in 67502ms
Starting structural reductions in LTL mode, iteration 1 : 2518/4017 places, 5016/8008 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 72577 ms. Remains : 2518/4017 places, 5016/8008 transitions.
Starting structural reductions in LTL mode, iteration 0 : 2518/2518 places, 5016/5016 transitions.
Applied a total of 0 rules in 15 ms. Remains 2518 /2518 variables (removed 0) and now considering 5016/5016 (removed 0) transitions.
[2026-05-22 14:56:45] [INFO ] Invariant cache hit.
[2026-05-22 14:56:45] [INFO ] Implicit Places using invariants in 340 ms returned []
[2026-05-22 14:56:45] [INFO ] Invariant cache hit.
[2026-05-22 14:56:48] [INFO ] Implicit Places using invariants and state equation in 2769 ms returned []
Implicit Place search using SMT with State Equation took 3127 ms to find 0 implicit places.
Skipped dead transition search.
Finished structural reductions in LTL mode , in 1 iterations and 3145 ms. Remains : 2518/2518 places, 5016/5016 transitions.
Support contains 2514 out of 2518 places after structural reductions.
[2026-05-22 14:56:49] [INFO ] Flatten gal took : 370 ms
[2026-05-22 14:56:49] [INFO ] Flatten gal took : 214 ms
[2026-05-22 14:56:49] [INFO ] Input system was already deterministic with 5016 transitions.
Reduction of identical properties reduced properties to check from 25 to 24
RANDOM walk for 40000 steps (5070 resets) in 8059 ms. (4 steps per ms) remains 5/24 properties
BEST_FIRST walk for 40004 steps (8 resets) in 133 ms. (298 steps per ms) remains 5/5 properties
BEST_FIRST walk for 40004 steps (8 resets) in 94 ms. (421 steps per ms) remains 5/5 properties
BEST_FIRST walk for 40004 steps (8 resets) in 157 ms. (253 steps per ms) remains 5/5 properties
BEST_FIRST walk for 40004 steps (12 resets) in 422 ms. (94 steps per ms) remains 3/5 properties
[2026-05-22 14:56:52] [INFO ] Invariant cache hit.
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/8 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 1 (OVERLAPS) 2/10 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/10 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 3 unsolved
Problem AtomicPropp2 is UNSAT
At refinement iteration 3 (OVERLAPS) 1514/1524 variables, 10/11 constraints. Problems are: Problem set: 1 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/1524 variables, 0/11 constraints. Problems are: Problem set: 1 solved, 2 unsolved
At refinement iteration 5 (OVERLAPS) 4011/5535 variables, 1508/1519 constraints. Problems are: Problem set: 1 solved, 2 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/5535 variables, 0/1519 constraints. Problems are: Problem set: 1 solved, 2 unsolved
At refinement iteration 7 (OVERLAPS) 1999/7534 variables, 1000/2519 constraints. Problems are: Problem set: 1 solved, 2 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/7534 variables, 0/2519 constraints. Problems are: Problem set: 1 solved, 2 unsolved
At refinement iteration 9 (OVERLAPS) 0/7534 variables, 0/2519 constraints. Problems are: Problem set: 1 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Real declared 7534/7534 variables, and 2519 constraints, problems are : Problem set: 1 solved, 2 unsolved in 2403 ms.
Refiners :[Generalized P Invariants (flows): 1/1 constraints, State Equation: 2518/2518 constraints, PredecessorRefiner: 3/2 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 1 solved, 2 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/4 variables, 0/0 constraints. Problems are: Problem set: 1 solved, 2 unsolved
At refinement iteration 1 (OVERLAPS) 1507/1511 variables, 4/4 constraints. Problems are: Problem set: 1 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/1511 variables, 1/5 constraints. Problems are: Problem set: 1 solved, 2 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/1511 variables, 0/5 constraints. Problems are: Problem set: 1 solved, 2 unsolved
At refinement iteration 4 (OVERLAPS) 4009/5520 variables, 1506/1511 constraints. Problems are: Problem set: 1 solved, 2 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/5520 variables, 0/1511 constraints. Problems are: Problem set: 1 solved, 2 unsolved
At refinement iteration 6 (OVERLAPS) 2004/7524 variables, 1002/2513 constraints. Problems are: Problem set: 1 solved, 2 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/7524 variables, 0/2513 constraints. Problems are: Problem set: 1 solved, 2 unsolved
At refinement iteration 8 (OVERLAPS) 7/7531 variables, 4/2517 constraints. Problems are: Problem set: 1 solved, 2 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/7531 variables, 0/2517 constraints. Problems are: Problem set: 1 solved, 2 unsolved
At refinement iteration 10 (OVERLAPS) 2/7533 variables, 1/2518 constraints. Problems are: Problem set: 1 solved, 2 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/7533 variables, 0/2518 constraints. Problems are: Problem set: 1 solved, 2 unsolved
At refinement iteration 12 (OVERLAPS) 1/7534 variables, 2/2520 constraints. Problems are: Problem set: 1 solved, 2 unsolved
Error getting values : (error "Error writing to Z3 solver: java.io.IOException: Broken pipe")
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 7534/7534 variables, and 2520 constraints, problems are : Problem set: 1 solved, 2 unsolved in 5051 ms.
Refiners :[Generalized P Invariants (flows): 1/1 constraints, State Equation: 2518/2518 constraints, PredecessorRefiner: 2/2 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 7481ms problems are : Problem set: 1 solved, 2 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 4 out of 2518 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 2518/2518 places, 5016/5016 transitions.
Graph (complete) has 3517 edges and 2518 vertex of which 1517 are kept as prefixes of interest. Removing 1001 places using SCC suffix rule.14 ms
Discarding 1001 places :
Also discarding 0 output transitions
Drop transitions (Empty/Sink Transition effects.) removed 2002 transitions
Reduce isomorphic transitions removed 2002 transitions.
Iterating post reduction 0 with 2002 rules applied. Total rules applied 2003 place count 1517 transition count 3014
Performed 4 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 1 with 4 Pre rules applied. Total rules applied 2003 place count 1517 transition count 3010
Deduced a syphon composed of 4 places in 1 ms
Ensure Unique test removed 2 places
Reduce places removed 6 places and 0 transitions.
Iterating global reduction 1 with 10 rules applied. Total rules applied 2013 place count 1511 transition count 3010
Discarding 1499 places :
Symmetric choice reduction at 1 with 1499 rule applications. Total rules 3512 place count 12 transition count 1511
Iterating global reduction 1 with 1499 rules applied. Total rules applied 5011 place count 12 transition count 1511
Ensure Unique test removed 1499 transitions
Reduce isomorphic transitions removed 1499 transitions.
Iterating post reduction 1 with 1499 rules applied. Total rules applied 6510 place count 12 transition count 12
Performed 1 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 1 Pre rules applied. Total rules applied 6510 place count 12 transition count 11
Deduced a syphon composed of 1 places in 0 ms
Ensure Unique test removed 1 places
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 2 with 3 rules applied. Total rules applied 6513 place count 10 transition count 11
Free-agglomeration rule applied 3 times.
Iterating global reduction 2 with 3 rules applied. Total rules applied 6516 place count 10 transition count 8
Reduce places removed 3 places and 0 transitions.
Iterating post reduction 2 with 3 rules applied. Total rules applied 6519 place count 7 transition count 8
Applied a total of 6519 rules in 180 ms. Remains 7 /2518 variables (removed 2511) and now considering 8/5016 (removed 5008) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 180 ms. Remains : 7/2518 places, 8/5016 transitions.
RANDOM walk for 59 steps (10 resets) in 4 ms. (11 steps per ms) remains 0/2 properties
Successfully simplified 1 atomic propositions for a total of 9 simplifications.
Computed a total of 2518 stabilizing places and 5016 stable transitions
Complete graph has no SCC; deadlocks are unavoidable. place count 2518 transition count 5016
Detected that all paths lead to deadlock. Applying this knowledge to assert that all AP eventually converge (and all enablings converge to false).
FORMULA AirplaneLD-PT-1000-LTLFireability-01 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X((X((p1||G(p2)))&&p0)))'
Support contains 1003 out of 2518 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 2518/2518 places, 5016/5016 transitions.
Discarding 1501 places :
Symmetric choice reduction at 0 with 1501 rule applications. Total rules 1501 place count 1017 transition count 3515
Iterating global reduction 0 with 1501 rules applied. Total rules applied 3002 place count 1017 transition count 3515
Ensure Unique test removed 1501 transitions
Reduce isomorphic transitions removed 1501 transitions.
Iterating post reduction 0 with 1501 rules applied. Total rules applied 4503 place count 1017 transition count 2014
Applied a total of 4503 rules in 109 ms. Remains 1017 /2518 variables (removed 1501) and now considering 2014/5016 (removed 3002) transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-17139749792163371344.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-9061900013935430255.kers'
[2026-05-22 14:57:00] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-17139749792163371344.kers, --Pflows, --basisKERS=/tmp/petrispot-output-9061900013935430255.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 2014 rows 1017 cols 4032 entries
Finished phase 1 with 1011 SingleSign rule and 5 generalized
[2026-05-22 14:57:00] [INFO ] Computed 1 invariants in 36 ms
Computed 1 P flows in 37 ms.
Exported basis to /tmp/petrispot-output-9061900013935430255.kers
Total runtime 38 ms.
[2026-05-22 14:57:00] [INFO ] Implicit Places using invariants in 203 ms returned [1016]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 221 ms to find 1 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 1016/2518 places, 2014/5016 transitions.
Applied a total of 0 rules in 4 ms. Remains 1016 /1016 variables (removed 0) and now considering 2014/2014 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 343 ms. Remains : 1016/2518 places, 2014/5016 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((p1||G(p2)))&&p0)))'
Stuttering acceptance computed with spot in 472 ms :[true, (OR (NOT p0) (AND (NOT p1) (NOT p2))), (OR (NOT p0) (AND (NOT p1) (NOT p2))), (NOT p2), (AND (NOT p2) (NOT p1))]
Running random walk in product with property : AirplaneLD-PT-1000-LTLFireability-05
Entered a terminal (fully accepting) state of product in 1 steps with 0 reset in 2 ms.
FORMULA AirplaneLD-PT-1000-LTLFireability-05 FALSE TECHNIQUES STUTTER_TEST
Treatment of property AirplaneLD-PT-1000-LTLFireability-05 finished in 959 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(((X(p0) U p1)&&F(X((p2 U (X(p2)&&p3))))))'
Support contains 504 out of 2518 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 2518/2518 places, 5016/5016 transitions.
Discarding 2001 places :
Symmetric choice reduction at 0 with 2001 rule applications. Total rules 2001 place count 517 transition count 3015
Iterating global reduction 0 with 2001 rules applied. Total rules applied 4002 place count 517 transition count 3015
Ensure Unique test removed 2001 transitions
Reduce isomorphic transitions removed 2001 transitions.
Iterating post reduction 0 with 2001 rules applied. Total rules applied 6003 place count 517 transition count 1014
Applied a total of 6003 rules in 42 ms. Remains 517 /2518 variables (removed 2001) and now considering 1014/5016 (removed 4002) transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-153291468895052827.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-3258895140340213401.kers'
[2026-05-22 14:57:01] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-153291468895052827.kers, --Pflows, --basisKERS=/tmp/petrispot-output-3258895140340213401.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 1014 rows 517 cols 2032 entries
Finished phase 1 with 511 SingleSign rule and 5 generalized
[2026-05-22 14:57:01] [INFO ] Computed 1 invariants in 6 ms
Computed 1 P flows in 11 ms.
Exported basis to /tmp/petrispot-output-3258895140340213401.kers
Total runtime 12 ms.
[2026-05-22 14:57:01] [INFO ] Implicit Places using invariants in 89 ms returned []
[2026-05-22 14:57:01] [INFO ] Invariant cache hit.
[2026-05-22 14:57:02] [INFO ] Implicit Places using invariants and state equation in 460 ms returned []
Implicit Place search using SMT with State Equation took 582 ms to find 0 implicit places.
Running 507 sub problems to find dead transitions.
[2026-05-22 14:57:02] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/512 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 507 unsolved
At refinement iteration 1 (OVERLAPS) 1/513 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 507 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 513/1531 variables, and 1 constraints, problems are : Problem set: 0 solved, 507 unsolved in 30039 ms.
Refiners :[Generalized P Invariants (flows): 1/1 constraints, State Equation: 0/517 constraints, PredecessorRefiner: 507/507 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 507 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/512 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 507 unsolved
At refinement iteration 1 (OVERLAPS) 1/513 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 507 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/513 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 507 unsolved
At refinement iteration 3 (OVERLAPS) 1014/1527 variables, 513/514 constraints. Problems are: Problem set: 0 solved, 507 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/1527 variables, 507/1021 constraints. Problems are: Problem set: 0 solved, 507 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 1527/1531 variables, and 1021 constraints, problems are : Problem set: 0 solved, 507 unsolved in 30045 ms.
Refiners :[Generalized P Invariants (flows): 1/1 constraints, State Equation: 513/517 constraints, PredecessorRefiner: 507/507 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 61706ms problems are : Problem set: 0 solved, 507 unsolved
Search for dead transitions found 0 dead transitions in 61708ms
Starting structural reductions in LTL mode, iteration 1 : 517/2518 places, 1014/5016 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 62336 ms. Remains : 517/2518 places, 1014/5016 transitions.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(((X(p0) U p1)&&F(X((p2 U (X(p2)&&p3))))))'
Stuttering acceptance computed with spot in 272 ms :[(OR (NOT p3) (NOT p1) (NOT p2)), (OR (NOT p0) (NOT p1)), (OR (NOT p3) (NOT p2)), true, (NOT p2)]
Running random walk in product with property : AirplaneLD-PT-1000-LTLFireability-06
Stuttering criterion allowed to conclude after 11 steps with 1 reset in 1 ms.
FORMULA AirplaneLD-PT-1000-LTLFireability-06 FALSE TECHNIQUES STUTTER_TEST
Treatment of property AirplaneLD-PT-1000-LTLFireability-06 finished in 62681 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((F((p0&&X(X(p1)))) U X(X(p0))))))'
Support contains 2001 out of 2518 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 2518/2518 places, 5016/5016 transitions.
Discarding 501 places :
Symmetric choice reduction at 0 with 501 rule applications. Total rules 501 place count 2017 transition count 4515
Iterating global reduction 0 with 501 rules applied. Total rules applied 1002 place count 2017 transition count 4515
Ensure Unique test removed 501 transitions
Reduce isomorphic transitions removed 501 transitions.
Iterating post reduction 0 with 501 rules applied. Total rules applied 1503 place count 2017 transition count 4014
Applied a total of 1503 rules in 47 ms. Remains 2017 /2518 variables (removed 501) and now considering 4014/5016 (removed 1002) transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-11473940777097267247.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-14286532864889666159.kers'
[2026-05-22 14:58:04] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-11473940777097267247.kers, --Pflows, --basisKERS=/tmp/petrispot-output-14286532864889666159.kers]
Culled 0 columns in 1 ms.
// Phase 1: matrix 4014 rows 2017 cols 9032 entries
Finished phase 1 with 2011 SingleSign rule and 5 generalized
[2026-05-22 14:58:04] [INFO ] Computed 1 invariants in 54 ms
Computed 1 P flows in 67 ms.
Exported basis to /tmp/petrispot-output-14286532864889666159.kers
Total runtime 73 ms.
[2026-05-22 14:58:04] [INFO ] Implicit Places using invariants in 462 ms returned [2016]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 471 ms to find 1 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 2016/2518 places, 4014/5016 transitions.
Applied a total of 0 rules in 16 ms. Remains 2016 /2016 variables (removed 0) and now considering 4014/4014 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 535 ms. Remains : 2016/2518 places, 4014/5016 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((F((X(X(p0))&&p1)) U X(X(p1))))))'
Stuttering acceptance computed with spot in 994 ms :[(NOT p1), (NOT p1), (AND (NOT p1) (NOT p0)), (NOT p1), (NOT p1), (AND (NOT p1) (NOT p0)), false, (AND (NOT p1) (NOT p0)), (AND (NOT p1) (NOT p0)), (AND (NOT p1) (NOT p0)), false, false, false, false, false, false, false]
Running random walk in product with property : AirplaneLD-PT-1000-LTLFireability-07
Stuttering criterion allowed to conclude after 26 steps with 2 reset in 30 ms.
FORMULA AirplaneLD-PT-1000-LTLFireability-07 FALSE TECHNIQUES STUTTER_TEST
Treatment of property AirplaneLD-PT-1000-LTLFireability-07 finished in 1711 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||(G(p1)&&F(p2)))))'
Support contains 4 out of 2518 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 2518/2518 places, 5016/5016 transitions.
Graph (complete) has 3517 edges and 2518 vertex of which 2513 are kept as prefixes of interest. Removing 5 places using SCC suffix rule.21 ms
Discarding 5 places :
Also discarding 6 output transitions
Drop transitions (Output transitions of discarded places.) removed 6 transitions
Discarding 2496 places :
Symmetric choice reduction at 0 with 2496 rule applications. Total rules 2497 place count 17 transition count 2514
Iterating global reduction 0 with 2496 rules applied. Total rules applied 4993 place count 17 transition count 2514
Ensure Unique test removed 2496 transitions
Reduce isomorphic transitions removed 2496 transitions.
Iterating post reduction 0 with 2496 rules applied. Total rules applied 7489 place count 17 transition count 18
Applied a total of 7489 rules in 134 ms. Remains 17 /2518 variables (removed 2501) and now considering 18/5016 (removed 4998) transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-13902866094226459105.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-17918136594352833384.kers'
[2026-05-22 14:58:06] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-13902866094226459105.kers, --Pflows, --basisKERS=/tmp/petrispot-output-17918136594352833384.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 18 rows 17 cols 40 entries
Finished phase 1 with 12 SingleSign rule and 4 generalized
[2026-05-22 14:58:06] [INFO ] Computed 1 invariants in 0 ms
Computed 1 P flows in 1 ms.
Exported basis to /tmp/petrispot-output-17918136594352833384.kers
Total runtime 1 ms.
[2026-05-22 14:58:06] [INFO ] Implicit Places using invariants in 93 ms returned [16]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 95 ms to find 1 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 16/2518 places, 18/5016 transitions.
Graph (complete) has 15 edges and 16 vertex of which 15 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 15 transition count 16
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 1 with 1 rules applied. Total rules applied 3 place count 14 transition count 16
Applied a total of 3 rules in 10 ms. Remains 14 /16 variables (removed 2) and now considering 16/18 (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-3121568414098686185.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-13115101122399966016.kers'
[2026-05-22 14:58:06] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-3121568414098686185.kers, --Pflows, --basisKERS=/tmp/petrispot-output-13115101122399966016.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 16 rows 14 cols 34 entries
Finished phase 1 with 14 SingleSign rule and 0 generalized
[2026-05-22 14:58:06] [INFO ] Computed 0 invariants in 0 ms
Computed 0 P flows in 13 ms.
Exported basis to /tmp/petrispot-output-13115101122399966016.kers
Total runtime 13 ms.
[2026-05-22 14:58:06] [INFO ] Implicit Places using invariants in 60 ms returned []
[2026-05-22 14:58:06] [INFO ] Invariant cache hit.
[2026-05-22 14:58:06] [INFO ] Implicit Places using invariants and state equation in 29 ms returned []
Implicit Place search using SMT with State Equation took 91 ms to find 0 implicit places.
Starting structural reductions in SI_LTL mode, iteration 2 : 14/2518 places, 16/5016 transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 331 ms. Remains : 14/2518 places, 16/5016 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||(G(p1)&&F(p2)))))'
Stuttering acceptance computed with spot in 155 ms :[(OR (AND (NOT p0) (NOT p1)) (AND (NOT p0) (NOT p2))), true, (AND p0 (NOT p1)), (NOT p2)]
Running random walk in product with property : AirplaneLD-PT-1000-LTLFireability-08
Entered a terminal (fully accepting) state of product in 689 steps with 229 reset in 6 ms.
FORMULA AirplaneLD-PT-1000-LTLFireability-08 FALSE TECHNIQUES STUTTER_TEST
Treatment of property AirplaneLD-PT-1000-LTLFireability-08 finished in 533 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)&&F((G(p1)||G(p2))))))'
Support contains 3 out of 2518 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 2518/2518 places, 5016/5016 transitions.
Discarding 2499 places :
Symmetric choice reduction at 0 with 2499 rule applications. Total rules 2499 place count 19 transition count 2517
Iterating global reduction 0 with 2499 rules applied. Total rules applied 4998 place count 19 transition count 2517
Ensure Unique test removed 2499 transitions
Reduce isomorphic transitions removed 2499 transitions.
Iterating post reduction 0 with 2499 rules applied. Total rules applied 7497 place count 19 transition count 18
Applied a total of 7497 rules in 33 ms. Remains 19 /2518 variables (removed 2499) and now considering 18/5016 (removed 4998) transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-3407484963069322621.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-10664271548414937763.kers'
[2026-05-22 14:58:06] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-3407484963069322621.kers, --Pflows, --basisKERS=/tmp/petrispot-output-10664271548414937763.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 14:58:06] [INFO ] Computed 1 invariants in 0 ms
Computed 1 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-10664271548414937763.kers
Total runtime 0 ms.
[2026-05-22 14:58:06] [INFO ] Implicit Places using invariants in 36 ms returned []
[2026-05-22 14:58:06] [INFO ] Invariant cache hit.
[2026-05-22 14:58:06] [INFO ] Implicit Places using invariants and state equation in 50 ms returned []
Implicit Place search using SMT with State Equation took 88 ms to find 0 implicit places.
Running 9 sub problems to find dead transitions.
[2026-05-22 14:58:06] [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 150 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 209 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 361ms problems are : Problem set: 0 solved, 9 unsolved
Search for dead transitions found 0 dead transitions in 361ms
Starting structural reductions in LTL mode, iteration 1 : 19/2518 places, 18/5016 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 484 ms. Remains : 19/2518 places, 18/5016 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)&&F((G(p1)||G(p2))))))'
Stuttering acceptance computed with spot in 146 ms :[(OR (NOT p0) (AND (NOT p1) (NOT p2))), (OR (NOT p0) (AND (NOT p1) (NOT p2))), true, (AND (NOT p1) (NOT p2))]
Running random walk in product with property : AirplaneLD-PT-1000-LTLFireability-09
Entered a terminal (fully accepting) state of product in 1 steps with 0 reset in 0 ms.
FORMULA AirplaneLD-PT-1000-LTLFireability-09 FALSE TECHNIQUES STUTTER_TEST
Treatment of property AirplaneLD-PT-1000-LTLFireability-09 finished in 665 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((F((X(F(p0)) U p1))||p2))&&F(p3))))'
Support contains 5 out of 2518 places. Attempting structural reductions.
Property had overlarge support with respect to TGBA, discarding it for now.
Starting structural reductions in LTL mode, iteration 0 : 2518/2518 places, 5016/5016 transitions.
Discarding 2496 places :
Symmetric choice reduction at 0 with 2496 rule applications. Total rules 2496 place count 22 transition count 2520
Iterating global reduction 0 with 2496 rules applied. Total rules applied 4992 place count 22 transition count 2520
Ensure Unique test removed 2496 transitions
Reduce isomorphic transitions removed 2496 transitions.
Iterating post reduction 0 with 2496 rules applied. Total rules applied 7488 place count 22 transition count 24
Applied a total of 7488 rules in 56 ms. Remains 22 /2518 variables (removed 2496) and now considering 24/5016 (removed 4992) transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-13039922678082172611.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-12052185791873897159.kers'
[2026-05-22 14:58:07] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-13039922678082172611.kers, --Pflows, --basisKERS=/tmp/petrispot-output-12052185791873897159.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 14:58:07] [INFO ] Computed 1 invariants in 0 ms
Computed 1 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-12052185791873897159.kers
Total runtime 0 ms.
[2026-05-22 14:58:07] [INFO ] Implicit Places using invariants in 77 ms returned [21]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 78 ms to find 1 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 21/2518 places, 24/5016 transitions.
Applied a total of 0 rules in 0 ms. Remains 21 /21 variables (removed 0) and now considering 24/24 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 134 ms. Remains : 21/2518 places, 24/5016 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((F((X(F(p0)) U p1))||p2))&&F(p3))))'
Stuttering acceptance computed with spot in 384 ms :[(OR (NOT p3) (AND (NOT p1) (NOT p2))), (OR (NOT p3) (AND (NOT p1) (NOT p2))), (NOT p3), (AND (NOT p2) (NOT p1)), (NOT p1)]
Running random walk in product with property : AirplaneLD-PT-1000-LTLFireability-10
Stuttering criterion allowed to conclude after 6 steps with 0 reset in 0 ms.
FORMULA AirplaneLD-PT-1000-LTLFireability-10 FALSE TECHNIQUES STUTTER_TEST
Treatment of property AirplaneLD-PT-1000-LTLFireability-10 finished in 587 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)&&(X(F(p2))||p1))))'
Support contains 6 out of 2518 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 2518/2518 places, 5016/5016 transitions.
Discarding 2496 places :
Symmetric choice reduction at 0 with 2496 rule applications. Total rules 2496 place count 22 transition count 2520
Iterating global reduction 0 with 2496 rules applied. Total rules applied 4992 place count 22 transition count 2520
Ensure Unique test removed 2496 transitions
Reduce isomorphic transitions removed 2496 transitions.
Iterating post reduction 0 with 2496 rules applied. Total rules applied 7488 place count 22 transition count 24
Applied a total of 7488 rules in 32 ms. Remains 22 /2518 variables (removed 2496) and now considering 24/5016 (removed 4992) transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-5375200357812237757.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-8168820747637039542.kers'
[2026-05-22 14:58:07] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-5375200357812237757.kers, --Pflows, --basisKERS=/tmp/petrispot-output-8168820747637039542.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 24 rows 22 cols 54 entries
Finished phase 1 with 16 SingleSign rule and 5 generalized
[2026-05-22 14:58:07] [INFO ] Computed 1 invariants in 0 ms
Computed 1 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-8168820747637039542.kers
Total runtime 0 ms.
[2026-05-22 14:58:07] [INFO ] Implicit Places using invariants in 33 ms returned [21]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 34 ms to find 1 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 21/2518 places, 24/5016 transitions.
Applied a total of 0 rules in 0 ms. Remains 21 /21 variables (removed 0) and now considering 24/24 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 67 ms. Remains : 21/2518 places, 24/5016 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)&&(X(F(p2))||p1))))'
Stuttering acceptance computed with spot in 234 ms :[(NOT p0), (OR (NOT p0) (AND (NOT p1) (NOT p2))), (OR (NOT p0) (NOT p2)), true, (OR (NOT p0) (AND (NOT p1) (NOT p2)))]
Running random walk in product with property : AirplaneLD-PT-1000-LTLFireability-12
Stuttering criterion allowed to conclude after 6 steps with 0 reset in 0 ms.
FORMULA AirplaneLD-PT-1000-LTLFireability-12 FALSE TECHNIQUES STUTTER_TEST
Treatment of property AirplaneLD-PT-1000-LTLFireability-12 finished in 332 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(((!X(F(p0)) U p1)&&F(X(p1))))))'
Support contains 4 out of 2518 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 2518/2518 places, 5016/5016 transitions.
Discarding 2498 places :
Symmetric choice reduction at 0 with 2498 rule applications. Total rules 2498 place count 20 transition count 2518
Iterating global reduction 0 with 2498 rules applied. Total rules applied 4996 place count 20 transition count 2518
Ensure Unique test removed 2498 transitions
Reduce isomorphic transitions removed 2498 transitions.
Iterating post reduction 0 with 2498 rules applied. Total rules applied 7494 place count 20 transition count 20
Applied a total of 7494 rules in 34 ms. Remains 20 /2518 variables (removed 2498) and now considering 20/5016 (removed 4996) transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-1004291517395302540.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-4030114759291466123.kers'
[2026-05-22 14:58:08] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-1004291517395302540.kers, --Pflows, --basisKERS=/tmp/petrispot-output-4030114759291466123.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 14:58:08] [INFO ] Computed 1 invariants in 1 ms
Computed 1 P flows in 1 ms.
Exported basis to /tmp/petrispot-output-4030114759291466123.kers
Total runtime 2 ms.
[2026-05-22 14:58:08] [INFO ] Implicit Places using invariants in 40 ms returned []
[2026-05-22 14:58:08] [INFO ] Invariant cache hit.
[2026-05-22 14:58:08] [INFO ] Implicit Places using invariants and state equation in 36 ms returned []
Implicit Place search using SMT with State Equation took 78 ms to find 0 implicit places.
Running 10 sub problems to find dead transitions.
[2026-05-22 14:58:08] [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 292 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 286 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 590ms problems are : Problem set: 0 solved, 10 unsolved
Search for dead transitions found 0 dead transitions in 590ms
Starting structural reductions in LTL mode, iteration 1 : 20/2518 places, 20/5016 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 704 ms. Remains : 20/2518 places, 20/5016 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(((!X(F(p0)) U p1)&&F(X(p1))))))'
Stuttering acceptance computed with spot in 281 ms :[(AND (NOT p1) p0), (NOT p1), (NOT p1), (NOT p1), (NOT p1)]
Running random walk in product with property : AirplaneLD-PT-1000-LTLFireability-15
Stuttering criterion allowed to conclude after 6 steps with 0 reset in 1 ms.
FORMULA AirplaneLD-PT-1000-LTLFireability-15 FALSE TECHNIQUES STUTTER_TEST
Treatment of property AirplaneLD-PT-1000-LTLFireability-15 finished in 1018 ms.
All properties solved by simple procedures.
Total runtime 158217 ms.

BK_STOP 1779461889115

--------------------
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//
++ ls /home/mcc/BenchKit/bin//../itstools/bin//..//itstools/plugins/fr.lip6.move.gal.application.pnmcc_1.0.0.202604301425.jar
++ perl -pe 's/.*\.//g'
+ 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-1000"
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-1000, 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-oct2-177944365900124"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/AirplaneLD-PT-1000.tgz
mv AirplaneLD-PT-1000 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 ;