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-oct2-177944366300452.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)
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=====================================================================
Generated by BenchKit 2-5973
Executing tool itstools
Input is AutoFlight-PT-01b, examination is LTLFireability
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r002-oct2-177944366300452
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 460K
-rw-r--r-- 1 mcc users 7.1K Mar 5 16:32 CTLCardinality.txt
-rw-r--r-- 1 mcc users 79K Mar 5 16:32 CTLCardinality.xml
-rw-r--r-- 1 mcc users 6.1K Mar 5 16:32 CTLFireability.txt
-rw-r--r-- 1 mcc users 59K Mar 5 16:32 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K Mar 3 18:30 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 6.6K Mar 3 18:30 GenericPropertiesVerdict.xml
-rw-r--r-- 1 mcc users 3.5K Mar 15 07:12 LTLCardinality.txt
-rw-r--r-- 1 mcc users 25K Mar 15 07:12 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.2K Mar 15 07:12 LTLFireability.txt
-rw-r--r-- 1 mcc users 17K Mar 15 07:12 LTLFireability.xml
-rw-r--r-- 1 mcc users 11K Mar 5 16:32 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 116K Mar 5 16:32 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 6.0K Mar 5 16:32 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 46K Mar 5 16:32 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.6K Mar 15 07:12 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.6K Mar 15 07:12 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 Mar 3 18:30 equiv_col
-rw-r--r-- 1 mcc users 4 Mar 3 18:30 instance
-rw-r--r-- 1 mcc users 6 Mar 3 18:30 iscolored
-rw-r--r-- 1 mcc users 26K 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 AutoFlight-PT-01b-LTLFireability-00
FORMULA_NAME AutoFlight-PT-01b-LTLFireability-01
FORMULA_NAME AutoFlight-PT-01b-LTLFireability-02
FORMULA_NAME AutoFlight-PT-01b-LTLFireability-03
FORMULA_NAME AutoFlight-PT-01b-LTLFireability-04
FORMULA_NAME AutoFlight-PT-01b-LTLFireability-05
FORMULA_NAME AutoFlight-PT-01b-LTLFireability-06
FORMULA_NAME AutoFlight-PT-01b-LTLFireability-07
FORMULA_NAME AutoFlight-PT-01b-LTLFireability-08
FORMULA_NAME AutoFlight-PT-01b-LTLFireability-09
FORMULA_NAME AutoFlight-PT-01b-LTLFireability-10
FORMULA_NAME AutoFlight-PT-01b-LTLFireability-11
FORMULA_NAME AutoFlight-PT-01b-LTLFireability-12
FORMULA_NAME AutoFlight-PT-01b-LTLFireability-13
FORMULA_NAME AutoFlight-PT-01b-LTLFireability-14
FORMULA_NAME AutoFlight-PT-01b-LTLFireability-15

=== Now, execution of the tool begins

BK_START 1779490493050

Invoking MCC driver with
BK_TOOL=itstools
BK_EXAMINATION=LTLFireability
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=AutoFlight-PT-01b
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
LTLFireability PT
Running Version 202604301425
[2026-05-22 22:54:54] [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 22:54:54] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-05-22 22:54:54] [INFO ] Load time of PNML (sax parser for PT used): 54 ms
[2026-05-22 22:54:54] [INFO ] Transformed 114 places.
[2026-05-22 22:54:54] [INFO ] Transformed 112 transitions.
[2026-05-22 22:54:54] [INFO ] Found NUPN structural information;
[2026-05-22 22:54:54] [INFO ] Parsed PT model containing 114 places and 112 transitions and 264 arcs in 149 ms.
Parsed 16 properties from file /home/mcc/execution/LTLFireability.xml in 10 ms.
Working with output stream class java.io.PrintStream
Initial state reduction rules removed 4 formulas.
FORMULA AutoFlight-PT-01b-LTLFireability-04 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA AutoFlight-PT-01b-LTLFireability-05 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA AutoFlight-PT-01b-LTLFireability-08 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA AutoFlight-PT-01b-LTLFireability-12 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Support contains 25 out of 114 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 114/114 places, 112/112 transitions.
Discarding 11 places :
Symmetric choice reduction at 0 with 11 rule applications. Total rules 11 place count 103 transition count 101
Iterating global reduction 0 with 11 rules applied. Total rules applied 22 place count 103 transition count 101
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 0 with 2 rules applied. Total rules applied 24 place count 103 transition count 99
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 25 place count 102 transition count 98
Iterating global reduction 1 with 1 rules applied. Total rules applied 26 place count 102 transition count 98
Applied a total of 26 rules in 56 ms. Remains 102 /114 variables (removed 12) and now considering 98/112 (removed 14) transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-6504242333424365381.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-18424693401788403309.kers'
[2026-05-22 22:54:54] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-6504242333424365381.kers, --Pflows, --basisKERS=/tmp/petrispot-output-18424693401788403309.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 98 rows 102 cols 236 entries
Finished phase 1 with 89 SingleSign rule and 3 generalized
[2026-05-22 22:54:54] [INFO ] Computed 10 invariants in 0 ms
Computed 10 P flows in 1 ms.
Exported basis to /tmp/petrispot-output-18424693401788403309.kers
Total runtime 1 ms.
[2026-05-22 22:54:55] [INFO ] Implicit Places using invariants in 272 ms returned []
[2026-05-22 22:54:55] [INFO ] Invariant cache hit.
[2026-05-22 22:54:55] [INFO ] Implicit Places using invariants and state equation in 190 ms returned []
Implicit Place search using SMT with State Equation took 509 ms to find 0 implicit places.
Running 97 sub problems to find dead transitions.
[2026-05-22 22:54:55] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/101 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 97 unsolved
At refinement iteration 1 (OVERLAPS) 1/102 variables, 9/9 constraints. Problems are: Problem set: 0 solved, 97 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/102 variables, 1/10 constraints. Problems are: Problem set: 0 solved, 97 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/102 variables, 10/20 constraints. Problems are: Problem set: 0 solved, 97 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/102 variables, 1/21 constraints. Problems are: Problem set: 0 solved, 97 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/102 variables, 3/24 constraints. Problems are: Problem set: 0 solved, 97 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/102 variables, 0/24 constraints. Problems are: Problem set: 0 solved, 97 unsolved
At refinement iteration 7 (OVERLAPS) 98/200 variables, 102/126 constraints. Problems are: Problem set: 0 solved, 97 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/200 variables, 0/126 constraints. Problems are: Problem set: 0 solved, 97 unsolved
At refinement iteration 9 (OVERLAPS) 0/200 variables, 0/126 constraints. Problems are: Problem set: 0 solved, 97 unsolved
No progress, stopping.
After SMT solving in domain Real declared 200/200 variables, and 126 constraints, problems are : Problem set: 0 solved, 97 unsolved in 8493 ms.
Refiners :[Positive P Invariants (semi-flows): 9/9 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 102/102 constraints, PredecessorRefiner: 97/97 constraints, Known Traps: 14/14 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 97 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/101 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 97 unsolved
At refinement iteration 1 (OVERLAPS) 1/102 variables, 9/9 constraints. Problems are: Problem set: 0 solved, 97 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/102 variables, 1/10 constraints. Problems are: Problem set: 0 solved, 97 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/102 variables, 14/24 constraints. Problems are: Problem set: 0 solved, 97 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/102 variables, 3/27 constraints. Problems are: Problem set: 0 solved, 97 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/102 variables, 1/28 constraints. Problems are: Problem set: 0 solved, 97 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/102 variables, 1/29 constraints. Problems are: Problem set: 0 solved, 97 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/102 variables, 0/29 constraints. Problems are: Problem set: 0 solved, 97 unsolved
At refinement iteration 8 (OVERLAPS) 98/200 variables, 102/131 constraints. Problems are: Problem set: 0 solved, 97 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/200 variables, 97/228 constraints. Problems are: Problem set: 0 solved, 97 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/200 variables, 5/233 constraints. Problems are: Problem set: 0 solved, 97 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/200 variables, 1/234 constraints. Problems are: Problem set: 0 solved, 97 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/200 variables, 1/235 constraints. Problems are: Problem set: 0 solved, 97 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/200 variables, 5/240 constraints. Problems are: Problem set: 0 solved, 97 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/200 variables, 0/240 constraints. Problems are: Problem set: 0 solved, 97 unsolved
At refinement iteration 15 (OVERLAPS) 0/200 variables, 0/240 constraints. Problems are: Problem set: 0 solved, 97 unsolved
No progress, stopping.
After SMT solving in domain Int declared 200/200 variables, and 240 constraints, problems are : Problem set: 0 solved, 97 unsolved in 19120 ms.
Refiners :[Positive P Invariants (semi-flows): 9/9 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 102/102 constraints, PredecessorRefiner: 97/97 constraints, Known Traps: 26/26 constraints, Known Traps Along Path: 5/5 constraints]
After SMT, in 27666ms problems are : Problem set: 0 solved, 97 unsolved
Search for dead transitions found 0 dead transitions in 27688ms
Starting structural reductions in LTL mode, iteration 1 : 102/114 places, 98/112 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 28325 ms. Remains : 102/114 places, 98/112 transitions.
Starting structural reductions in LTL mode, iteration 0 : 102/102 places, 98/98 transitions.
Applied a total of 0 rules in 7 ms. Remains 102 /102 variables (removed 0) and now considering 98/98 (removed 0) transitions.
[2026-05-22 22:55:23] [INFO ] Invariant cache hit.
[2026-05-22 22:55:23] [INFO ] Implicit Places using invariants in 71 ms returned []
[2026-05-22 22:55:23] [INFO ] Invariant cache hit.
[2026-05-22 22:55:23] [INFO ] Implicit Places using invariants and state equation in 96 ms returned []
Implicit Place search using SMT with State Equation took 170 ms to find 0 implicit places.
Skipped dead transition search.
Finished structural reductions in LTL mode , in 1 iterations and 178 ms. Remains : 102/102 places, 98/98 transitions.
Support contains 25 out of 102 places after structural reductions.
[2026-05-22 22:55:23] [INFO ] Flatten gal took : 27 ms
[2026-05-22 22:55:23] [INFO ] Flatten gal took : 11 ms
[2026-05-22 22:55:23] [INFO ] Input system was already deterministic with 98 transitions.
Reduction of identical properties reduced properties to check from 28 to 27
RANDOM walk for 34820 steps (517 resets) in 598 ms. (58 steps per ms) remains 0/27 properties
Computed a total of 29 stabilizing places and 29 stable 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((F(p1)&&p0)) U p2)))'
Support contains 3 out of 102 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 102/102 places, 98/98 transitions.
Discarding 6 places :
Symmetric choice reduction at 0 with 6 rule applications. Total rules 6 place count 96 transition count 92
Iterating global reduction 0 with 6 rules applied. Total rules applied 12 place count 96 transition count 92
Discarding 2 places :
Symmetric choice reduction at 0 with 2 rule applications. Total rules 14 place count 94 transition count 90
Iterating global reduction 0 with 2 rules applied. Total rules applied 16 place count 94 transition count 90
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 17 place count 93 transition count 89
Iterating global reduction 0 with 1 rules applied. Total rules applied 18 place count 93 transition count 89
Applied a total of 18 rules in 22 ms. Remains 93 /102 variables (removed 9) and now considering 89/98 (removed 9) transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-11812715627531063771.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-4787534946236982587.kers'
[2026-05-22 22:55:24] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-11812715627531063771.kers, --Pflows, --basisKERS=/tmp/petrispot-output-4787534946236982587.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 89 rows 93 cols 218 entries
Finished phase 1 with 80 SingleSign rule and 3 generalized
[2026-05-22 22:55:24] [INFO ] Computed 10 invariants in 0 ms
Computed 10 P flows in 1 ms.
Exported basis to /tmp/petrispot-output-4787534946236982587.kers
Total runtime 1 ms.
[2026-05-22 22:55:24] [INFO ] Implicit Places using invariants in 71 ms returned []
[2026-05-22 22:55:24] [INFO ] Invariant cache hit.
[2026-05-22 22:55:24] [INFO ] Implicit Places using invariants and state equation in 113 ms returned []
Implicit Place search using SMT with State Equation took 187 ms to find 0 implicit places.
Running 88 sub problems to find dead transitions.
[2026-05-22 22:55:24] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/92 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 88 unsolved
At refinement iteration 1 (OVERLAPS) 1/93 variables, 9/9 constraints. Problems are: Problem set: 0 solved, 88 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/93 variables, 1/10 constraints. Problems are: Problem set: 0 solved, 88 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/93 variables, 5/15 constraints. Problems are: Problem set: 0 solved, 88 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/93 variables, 0/15 constraints. Problems are: Problem set: 0 solved, 88 unsolved
At refinement iteration 5 (OVERLAPS) 89/182 variables, 93/108 constraints. Problems are: Problem set: 0 solved, 88 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/182 variables, 0/108 constraints. Problems are: Problem set: 0 solved, 88 unsolved
At refinement iteration 7 (OVERLAPS) 0/182 variables, 0/108 constraints. Problems are: Problem set: 0 solved, 88 unsolved
No progress, stopping.
After SMT solving in domain Real declared 182/182 variables, and 108 constraints, problems are : Problem set: 0 solved, 88 unsolved in 5142 ms.
Refiners :[Positive P Invariants (semi-flows): 9/9 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 93/93 constraints, PredecessorRefiner: 88/88 constraints, Known Traps: 5/5 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 88 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/92 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 88 unsolved
At refinement iteration 1 (OVERLAPS) 1/93 variables, 9/9 constraints. Problems are: Problem set: 0 solved, 88 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/93 variables, 1/10 constraints. Problems are: Problem set: 0 solved, 88 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/93 variables, 5/15 constraints. Problems are: Problem set: 0 solved, 88 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/93 variables, 1/16 constraints. Problems are: Problem set: 0 solved, 88 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/93 variables, 1/17 constraints. Problems are: Problem set: 0 solved, 88 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/93 variables, 4/21 constraints. Problems are: Problem set: 0 solved, 88 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/93 variables, 0/21 constraints. Problems are: Problem set: 0 solved, 88 unsolved
At refinement iteration 8 (OVERLAPS) 89/182 variables, 93/114 constraints. Problems are: Problem set: 0 solved, 88 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/182 variables, 88/202 constraints. Problems are: Problem set: 0 solved, 88 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/182 variables, 2/204 constraints. Problems are: Problem set: 0 solved, 88 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/182 variables, 2/206 constraints. Problems are: Problem set: 0 solved, 88 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/182 variables, 0/206 constraints. Problems are: Problem set: 0 solved, 88 unsolved
At refinement iteration 13 (OVERLAPS) 0/182 variables, 0/206 constraints. Problems are: Problem set: 0 solved, 88 unsolved
No progress, stopping.
After SMT solving in domain Int declared 182/182 variables, and 206 constraints, problems are : Problem set: 0 solved, 88 unsolved in 10634 ms.
Refiners :[Positive P Invariants (semi-flows): 9/9 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 93/93 constraints, PredecessorRefiner: 88/88 constraints, Known Traps: 13/13 constraints, Known Traps Along Path: 2/2 constraints]
After SMT, in 15803ms problems are : Problem set: 0 solved, 88 unsolved
Search for dead transitions found 0 dead transitions in 15805ms
Starting structural reductions in LTL mode, iteration 1 : 93/102 places, 89/98 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 16016 ms. Remains : 93/102 places, 89/98 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((F(p1)&&p0)) U p2)))'
Stuttering acceptance computed with spot in 492 ms :[(NOT p2), (NOT p1), true, (NOT p2), (OR (NOT p1) (NOT p0) (NOT p2))]
Running random walk in product with property : AutoFlight-PT-01b-LTLFireability-00
Entered a terminal (fully accepting) state of product in 2 steps with 0 reset in 3 ms.
FORMULA AutoFlight-PT-01b-LTLFireability-00 FALSE TECHNIQUES STUTTER_TEST
Treatment of property AutoFlight-PT-01b-LTLFireability-00 finished in 16654 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(G(((X(F(p0))||F(p1))&&(!p0||X((G(p2) U (!p0&&G(p2))))))))'
Support contains 3 out of 102 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 102/102 places, 98/98 transitions.
Discarding 7 places :
Symmetric choice reduction at 0 with 7 rule applications. Total rules 7 place count 95 transition count 91
Iterating global reduction 0 with 7 rules applied. Total rules applied 14 place count 95 transition count 91
Discarding 3 places :
Symmetric choice reduction at 0 with 3 rule applications. Total rules 17 place count 92 transition count 88
Iterating global reduction 0 with 3 rules applied. Total rules applied 20 place count 92 transition count 88
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 21 place count 91 transition count 87
Iterating global reduction 0 with 1 rules applied. Total rules applied 22 place count 91 transition count 87
Applied a total of 22 rules in 22 ms. Remains 91 /102 variables (removed 11) and now considering 87/98 (removed 11) transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-12417538270316985672.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-9720252155241663780.kers'
[2026-05-22 22:55:41] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-12417538270316985672.kers, --Pflows, --basisKERS=/tmp/petrispot-output-9720252155241663780.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 87 rows 91 cols 214 entries
Finished phase 1 with 78 SingleSign rule and 3 generalized
[2026-05-22 22:55:41] [INFO ] Computed 10 invariants in 1 ms
Computed 10 P flows in 1 ms.
Exported basis to /tmp/petrispot-output-9720252155241663780.kers
Total runtime 2 ms.
[2026-05-22 22:55:41] [INFO ] Implicit Places using invariants in 83 ms returned []
[2026-05-22 22:55:41] [INFO ] Invariant cache hit.
[2026-05-22 22:55:41] [INFO ] Implicit Places using invariants and state equation in 126 ms returned []
Implicit Place search using SMT with State Equation took 212 ms to find 0 implicit places.
Running 86 sub problems to find dead transitions.
[2026-05-22 22:55:41] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/90 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 86 unsolved
At refinement iteration 1 (OVERLAPS) 1/91 variables, 9/9 constraints. Problems are: Problem set: 0 solved, 86 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/91 variables, 1/10 constraints. Problems are: Problem set: 0 solved, 86 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/91 variables, 6/16 constraints. Problems are: Problem set: 0 solved, 86 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/91 variables, 0/16 constraints. Problems are: Problem set: 0 solved, 86 unsolved
At refinement iteration 5 (OVERLAPS) 87/178 variables, 91/107 constraints. Problems are: Problem set: 0 solved, 86 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/178 variables, 0/107 constraints. Problems are: Problem set: 0 solved, 86 unsolved
At refinement iteration 7 (OVERLAPS) 0/178 variables, 0/107 constraints. Problems are: Problem set: 0 solved, 86 unsolved
No progress, stopping.
After SMT solving in domain Real declared 178/178 variables, and 107 constraints, problems are : Problem set: 0 solved, 86 unsolved in 5310 ms.
Refiners :[Positive P Invariants (semi-flows): 9/9 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 91/91 constraints, PredecessorRefiner: 86/86 constraints, Known Traps: 6/6 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 86 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/90 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 86 unsolved
At refinement iteration 1 (OVERLAPS) 1/91 variables, 9/9 constraints. Problems are: Problem set: 0 solved, 86 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/91 variables, 1/10 constraints. Problems are: Problem set: 0 solved, 86 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/91 variables, 6/16 constraints. Problems are: Problem set: 0 solved, 86 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/91 variables, 2/18 constraints. Problems are: Problem set: 0 solved, 86 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/91 variables, 0/18 constraints. Problems are: Problem set: 0 solved, 86 unsolved
At refinement iteration 6 (OVERLAPS) 87/178 variables, 91/109 constraints. Problems are: Problem set: 0 solved, 86 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/178 variables, 86/195 constraints. Problems are: Problem set: 0 solved, 86 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/178 variables, 1/196 constraints. Problems are: Problem set: 0 solved, 86 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/178 variables, 3/199 constraints. Problems are: Problem set: 0 solved, 86 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/178 variables, 2/201 constraints. Problems are: Problem set: 0 solved, 86 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/178 variables, 1/202 constraints. Problems are: Problem set: 0 solved, 86 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/178 variables, 0/202 constraints. Problems are: Problem set: 0 solved, 86 unsolved
At refinement iteration 13 (OVERLAPS) 0/178 variables, 0/202 constraints. Problems are: Problem set: 0 solved, 86 unsolved
No progress, stopping.
After SMT solving in domain Int declared 178/178 variables, and 202 constraints, problems are : Problem set: 0 solved, 86 unsolved in 10854 ms.
Refiners :[Positive P Invariants (semi-flows): 9/9 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 91/91 constraints, PredecessorRefiner: 86/86 constraints, Known Traps: 12/12 constraints, Known Traps Along Path: 3/3 constraints]
After SMT, in 16179ms problems are : Problem set: 0 solved, 86 unsolved
Search for dead transitions found 0 dead transitions in 16181ms
Starting structural reductions in LTL mode, iteration 1 : 91/102 places, 87/98 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 16417 ms. Remains : 91/102 places, 87/98 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(p0))||F(p1))&&(!p0||X((G(p2) U (!p0&&G(p2))))))))'
Stuttering acceptance computed with spot in 293 ms :[(OR (NOT p1) p0), (OR (NOT p2) p0), (AND (NOT p0) (NOT p1)), true, (NOT p2)]
Running random walk in product with property : AutoFlight-PT-01b-LTLFireability-01
Stuttering criterion allowed to conclude after 59 steps with 0 reset in 2 ms.
FORMULA AutoFlight-PT-01b-LTLFireability-01 FALSE TECHNIQUES STUTTER_TEST
Treatment of property AutoFlight-PT-01b-LTLFireability-01 finished in 16792 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(G((p1||X(X(p0))))))))'
Support contains 2 out of 102 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 102/102 places, 98/98 transitions.
Discarding 6 places :
Symmetric choice reduction at 0 with 6 rule applications. Total rules 6 place count 96 transition count 92
Iterating global reduction 0 with 6 rules applied. Total rules applied 12 place count 96 transition count 92
Discarding 3 places :
Symmetric choice reduction at 0 with 3 rule applications. Total rules 15 place count 93 transition count 89
Iterating global reduction 0 with 3 rules applied. Total rules applied 18 place count 93 transition count 89
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 19 place count 92 transition count 88
Iterating global reduction 0 with 1 rules applied. Total rules applied 20 place count 92 transition count 88
Applied a total of 20 rules in 19 ms. Remains 92 /102 variables (removed 10) and now considering 88/98 (removed 10) transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-2949909436969818276.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-5228637322339504538.kers'
[2026-05-22 22:55:57] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-2949909436969818276.kers, --Pflows, --basisKERS=/tmp/petrispot-output-5228637322339504538.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 88 rows 92 cols 216 entries
Finished phase 1 with 79 SingleSign rule and 3 generalized
[2026-05-22 22:55:57] [INFO ] Computed 10 invariants in 1 ms
Computed 10 P flows in 1 ms.
Exported basis to /tmp/petrispot-output-5228637322339504538.kers
Total runtime 2 ms.
[2026-05-22 22:55:57] [INFO ] Implicit Places using invariants in 96 ms returned []
[2026-05-22 22:55:57] [INFO ] Invariant cache hit.
[2026-05-22 22:55:58] [INFO ] Implicit Places using invariants and state equation in 133 ms returned []
Implicit Place search using SMT with State Equation took 234 ms to find 0 implicit places.
Running 87 sub problems to find dead transitions.
[2026-05-22 22:55:58] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/91 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 87 unsolved
At refinement iteration 1 (OVERLAPS) 1/92 variables, 9/9 constraints. Problems are: Problem set: 0 solved, 87 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/92 variables, 1/10 constraints. Problems are: Problem set: 0 solved, 87 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/92 variables, 8/18 constraints. Problems are: Problem set: 0 solved, 87 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/92 variables, 0/18 constraints. Problems are: Problem set: 0 solved, 87 unsolved
At refinement iteration 5 (OVERLAPS) 88/180 variables, 92/110 constraints. Problems are: Problem set: 0 solved, 87 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/180 variables, 2/112 constraints. Problems are: Problem set: 0 solved, 87 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/180 variables, 0/112 constraints. Problems are: Problem set: 0 solved, 87 unsolved
At refinement iteration 8 (OVERLAPS) 0/180 variables, 0/112 constraints. Problems are: Problem set: 0 solved, 87 unsolved
No progress, stopping.
After SMT solving in domain Real declared 180/180 variables, and 112 constraints, problems are : Problem set: 0 solved, 87 unsolved in 5321 ms.
Refiners :[Positive P Invariants (semi-flows): 9/9 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 92/92 constraints, PredecessorRefiner: 87/87 constraints, Known Traps: 10/10 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 87 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/91 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 87 unsolved
At refinement iteration 1 (OVERLAPS) 1/92 variables, 9/9 constraints. Problems are: Problem set: 0 solved, 87 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/92 variables, 1/10 constraints. Problems are: Problem set: 0 solved, 87 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/92 variables, 10/20 constraints. Problems are: Problem set: 0 solved, 87 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/92 variables, 1/21 constraints. Problems are: Problem set: 0 solved, 87 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/92 variables, 2/23 constraints. Problems are: Problem set: 0 solved, 87 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/92 variables, 1/24 constraints. Problems are: Problem set: 0 solved, 87 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/92 variables, 1/25 constraints. Problems are: Problem set: 0 solved, 87 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/92 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 87 unsolved
At refinement iteration 9 (OVERLAPS) 88/180 variables, 92/117 constraints. Problems are: Problem set: 0 solved, 87 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/180 variables, 87/204 constraints. Problems are: Problem set: 0 solved, 87 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/180 variables, 1/205 constraints. Problems are: Problem set: 0 solved, 87 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/180 variables, 1/206 constraints. Problems are: Problem set: 0 solved, 87 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/180 variables, 4/210 constraints. Problems are: Problem set: 0 solved, 87 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/180 variables, 0/210 constraints. Problems are: Problem set: 0 solved, 87 unsolved
At refinement iteration 15 (OVERLAPS) 0/180 variables, 0/210 constraints. Problems are: Problem set: 0 solved, 87 unsolved
No progress, stopping.
After SMT solving in domain Int declared 180/180 variables, and 210 constraints, problems are : Problem set: 0 solved, 87 unsolved in 9548 ms.
Refiners :[Positive P Invariants (semi-flows): 9/9 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 92/92 constraints, PredecessorRefiner: 87/87 constraints, Known Traps: 17/17 constraints, Known Traps Along Path: 4/4 constraints]
After SMT, in 14898ms problems are : Problem set: 0 solved, 87 unsolved
Search for dead transitions found 0 dead transitions in 14899ms
Starting structural reductions in LTL mode, iteration 1 : 92/102 places, 88/98 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 15153 ms. Remains : 92/102 places, 88/98 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(G((p1||X(X(p0))))))))'
Stuttering acceptance computed with spot in 331 ms :[(NOT p0), (NOT p0), true, (AND (NOT p1) (NOT p0)), (NOT p0), (NOT p0)]
Running random walk in product with property : AutoFlight-PT-01b-LTLFireability-02
Entered a terminal (fully accepting) state of product in 1 steps with 0 reset in 1 ms.
FORMULA AutoFlight-PT-01b-LTLFireability-02 FALSE TECHNIQUES STUTTER_TEST
Treatment of property AutoFlight-PT-01b-LTLFireability-02 finished in 15529 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(F((X(F(p0))||G(p1))))))'
Support contains 2 out of 102 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 102/102 places, 98/98 transitions.
Discarding 7 places :
Symmetric choice reduction at 0 with 7 rule applications. Total rules 7 place count 95 transition count 91
Iterating global reduction 0 with 7 rules applied. Total rules applied 14 place count 95 transition count 91
Discarding 2 places :
Symmetric choice reduction at 0 with 2 rule applications. Total rules 16 place count 93 transition count 89
Iterating global reduction 0 with 2 rules applied. Total rules applied 18 place count 93 transition count 89
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 19 place count 92 transition count 88
Iterating global reduction 0 with 1 rules applied. Total rules applied 20 place count 92 transition count 88
Applied a total of 20 rules in 18 ms. Remains 92 /102 variables (removed 10) and now considering 88/98 (removed 10) transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-7871886463195863520.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-76858039692739918.kers'
[2026-05-22 22:56:13] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-7871886463195863520.kers, --Pflows, --basisKERS=/tmp/petrispot-output-76858039692739918.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 88 rows 92 cols 216 entries
Finished phase 1 with 79 SingleSign rule and 3 generalized
[2026-05-22 22:56:13] [INFO ] Computed 10 invariants in 0 ms
Computed 10 P flows in 1 ms.
Exported basis to /tmp/petrispot-output-76858039692739918.kers
Total runtime 1 ms.
[2026-05-22 22:56:13] [INFO ] Implicit Places using invariants in 90 ms returned []
[2026-05-22 22:56:13] [INFO ] Invariant cache hit.
[2026-05-22 22:56:13] [INFO ] Implicit Places using invariants and state equation in 123 ms returned []
Implicit Place search using SMT with State Equation took 216 ms to find 0 implicit places.
Skipped dead transition search.
Starting structural reductions in LTL mode, iteration 1 : 92/102 places, 88/98 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 235 ms. Remains : 92/102 places, 88/98 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(F((X(F(p0))||G(p1))))))'
Stuttering acceptance computed with spot in 253 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 : AutoFlight-PT-01b-LTLFireability-03
Product exploration explored 100000 steps with 25000 reset in 213 ms.
Product exploration explored 100000 steps with 25000 reset in 91 ms.
Computed a total of 23 stabilizing places and 23 stable transitions
Computed a total of 23 stabilizing places and 23 stable transitions
Knowledge based reduction with 1 factoid took 72 ms. Reduced automaton from 4 states, 5 edges and 2 AP (stutter sensitive) to 4 states, 5 edges and 2 AP (stutter sensitive).
RANDOM walk for 1926 steps (26 resets) in 56 ms. (33 steps per ms) remains 0/4 properties
Knowledge based reduction with 1 factoid took 164 ms. Reduced automaton from 4 states, 5 edges and 2 AP (stutter sensitive) to 4 states, 5 edges and 2 AP (stutter sensitive).
Stuttering acceptance computed with spot in 252 ms :[(AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1))]
Knowledge-based reduction took 538 ms.
Stuttering acceptance computed with spot in 250 ms :[(AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1))]
Support contains 2 out of 92 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 92/92 places, 88/88 transitions.
Applied a total of 0 rules in 4 ms. Remains 92 /92 variables (removed 0) and now considering 88/88 (removed 0) transitions.
[2026-05-22 22:56:14] [INFO ] Invariant cache hit.
[2026-05-22 22:56:15] [INFO ] Implicit Places using invariants in 77 ms returned []
[2026-05-22 22:56:15] [INFO ] Invariant cache hit.
[2026-05-22 22:56:15] [INFO ] Implicit Places using invariants and state equation in 102 ms returned []
Implicit Place search using SMT with State Equation took 181 ms to find 0 implicit places.
Skipped dead transition search.
Finished structural reductions in LTL mode , in 1 iterations and 185 ms. Remains : 92/92 places, 88/88 transitions.
Computed a total of 23 stabilizing places and 23 stable transitions
Computed a total of 23 stabilizing places and 23 stable transitions
Knowledge based reduction with 1 factoid took 76 ms. Reduced automaton from 4 states, 5 edges and 2 AP (stutter sensitive) to 4 states, 5 edges and 2 AP (stutter sensitive).
RANDOM walk for 758 steps (10 resets) in 8 ms. (84 steps per ms) remains 0/4 properties
Knowledge based reduction with 1 factoid took 175 ms. Reduced automaton from 4 states, 5 edges and 2 AP (stutter sensitive) to 4 states, 5 edges and 2 AP (stutter sensitive).
Stuttering acceptance computed with spot in 261 ms :[(AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1))]
Knowledge-based reduction took 524 ms.
Stuttering acceptance computed with spot in 230 ms :[(AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1))]
Stuttering acceptance computed with spot in 194 ms :[(AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1))]
Product exploration explored 100000 steps with 25000 reset in 90 ms.
Product exploration explored 100000 steps with 25000 reset in 97 ms.
Spot run failed in 165 ms. Status :1
Traceback (most recent call last):
File "/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/autstates.py", line 2, in
import spot
ModuleNotFoundError: No module named 'spot'
java.io.IOException
at fr.lip6.move.gal.application.runner.spot.SpotRunner.computeForwardClosedSI(SpotRunner.java:551)
at fr.lip6.move.gal.application.solver.ltl.LTLPropertySolver.treatPartialPOR(LTLPropertySolver.java:419)
at fr.lip6.move.gal.application.solver.ltl.LTLPropertySolver.checkLTLProperty(LTLPropertySolver.java:280)
at fr.lip6.move.gal.application.solver.ltl.LTLPropertySolver.runStutteringLTLTest(LTLPropertySolver.java:217)
at fr.lip6.move.gal.application.solver.ltl.LTLPropertySolver.runStructuralLTLCheck(LTLPropertySolver.java:66)
at fr.lip6.move.gal.application.Application.startNoEx(Application.java:849)
at fr.lip6.move.gal.application.Application.start(Application.java:195)
at fr.lip6.move.gal.itscl.application.Application.start(Application.java:44)
at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:219)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:149)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:115)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:467)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:298)
at java.base/jdk.internal.reflect.DirectMethodHandleAccessor.invoke(DirectMethodHandleAccessor.java:103)
at java.base/java.lang.reflect.Method.invoke(Method.java:580)
at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:615)
at org.eclipse.equinox.launcher.Main.basicRun(Main.java:563)
at org.eclipse.equinox.launcher.Main.run(Main.java:1415)
at org.eclipse.equinox.launcher.Main.main(Main.java:1387)
Built C files in :
/tmp/ltsmin10777176982448453976
[2026-05-22 22:56:16] [INFO ] Built C files in 23ms conformant to PINS (ltsmin variant)in folder :/tmp/ltsmin10777176982448453976
Running compilation step : cd /tmp/ltsmin10777176982448453976;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202604301425/bin/limit_time.pl' '3' 'gcc' '-c' '-I/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202604301425/bin/include/' '-I.' '-std=c99' '-fPIC' '-O0' 'model.c'
Compilation finished in 380 ms.
Running link step : cd /tmp/ltsmin10777176982448453976;'gcc' '-shared' '-o' 'gal.so' 'model.o'
Link finished in 43 ms.
Running LTSmin : cd /tmp/ltsmin10777176982448453976;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202604301425/bin/pins2lts-seq-linux64' './gal.so' '--when' '--hoa' '/tmp/stateBased9967716037588452299.hoa' '--buchi-type=spotba'
LTSmin run took 62 ms.
FORMULA AutoFlight-PT-01b-LTLFireability-03 TRUE TECHNIQUES EXPLICIT LTSMIN SAT_SMT
Treatment of property AutoFlight-PT-01b-LTLFireability-03 finished in 3738 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||F((G(p1)&&F((G(!p2)||(!p2&&F(p3))))))))))'
Support contains 3 out of 102 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 102/102 places, 98/98 transitions.
Reduce places removed 1 places and 1 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 28 transitions
Trivial Post-agglo rules discarded 28 transitions
Performed 28 trivial Post agglomeration. Transition count delta: 28
Iterating post reduction 0 with 28 rules applied. Total rules applied 28 place count 101 transition count 69
Reduce places removed 28 places and 0 transitions.
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 1 with 29 rules applied. Total rules applied 57 place count 73 transition count 68
Performed 17 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 17 Pre rules applied. Total rules applied 57 place count 73 transition count 51
Deduced a syphon composed of 17 places in 0 ms
Reduce places removed 17 places and 0 transitions.
Iterating global reduction 2 with 34 rules applied. Total rules applied 91 place count 56 transition count 51
Discarding 6 places :
Symmetric choice reduction at 2 with 6 rule applications. Total rules 97 place count 50 transition count 45
Iterating global reduction 2 with 6 rules applied. Total rules applied 103 place count 50 transition count 45
Performed 3 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 3 Pre rules applied. Total rules applied 103 place count 50 transition count 42
Deduced a syphon composed of 3 places in 0 ms
Reduce places removed 3 places and 0 transitions.
Iterating global reduction 2 with 6 rules applied. Total rules applied 109 place count 47 transition count 42
Performed 12 Post agglomeration using F-continuation condition with reduction of 1 identical transitions.
Deduced a syphon composed of 12 places in 0 ms
Reduce places removed 12 places and 0 transitions.
Iterating global reduction 2 with 24 rules applied. Total rules applied 133 place count 35 transition count 29
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 0
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 2 with 2 rules applied. Total rules applied 135 place count 34 transition count 29
Applied a total of 135 rules in 33 ms. Remains 34 /102 variables (removed 68) and now considering 29/98 (removed 69) transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-4865039190425905296.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-1443290161000558602.kers'
[2026-05-22 22:56:17] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-4865039190425905296.kers, --Pflows, --basisKERS=/tmp/petrispot-output-1443290161000558602.kers]
Culling duplicate invariants (modulo rational): removing 1 columns.
Culled 1 columns in 0 ms.
// Phase 1: matrix 29 rows 33 cols 92 entries
Finished phase 1 with 21 SingleSign rule and 3 generalized
[2026-05-22 22:56:17] [INFO ] Computed 10 invariants in 0 ms
Computed 10 P flows in 12 ms.
Exported basis to /tmp/petrispot-output-1443290161000558602.kers
Total runtime 12 ms.
[2026-05-22 22:56:17] [INFO ] Implicit Places using invariants in 74 ms returned [11, 33]
Discarding 2 places :
Implicit Place search using SMT only with invariants took 76 ms to find 2 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 32/102 places, 29/98 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 1 place count 32 transition count 28
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 1 with 1 rules applied. Total rules applied 2 place count 31 transition count 28
Performed 3 Post agglomeration using F-continuation condition.Transition count delta: 3
Deduced a syphon composed of 3 places in 0 ms
Reduce places removed 3 places and 0 transitions.
Iterating global reduction 2 with 6 rules applied. Total rules applied 8 place count 28 transition count 25
Applied a total of 8 rules in 10 ms. Remains 28 /32 variables (removed 4) and now considering 25/29 (removed 4) transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-2822429439212211533.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-12340090532343728815.kers'
[2026-05-22 22:56:17] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-2822429439212211533.kers, --Pflows, --basisKERS=/tmp/petrispot-output-12340090532343728815.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 25 rows 28 cols 78 entries
Finished phase 1 with 20 SingleSign rule and 0 generalized
[2026-05-22 22:56:17] [INFO ] Computed 8 invariants in 0 ms
Computed 8 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-12340090532343728815.kers
Total runtime 1 ms.
[2026-05-22 22:56:17] [INFO ] Implicit Places using invariants in 52 ms returned []
[2026-05-22 22:56:17] [INFO ] Invariant cache hit.
[2026-05-22 22:56:17] [INFO ] State equation strengthened by 5 read => feed constraints.
[2026-05-22 22:56:17] [INFO ] Implicit Places using invariants and state equation in 61 ms returned []
Implicit Place search using SMT with State Equation took 116 ms to find 0 implicit places.
Starting structural reductions in SI_LTL mode, iteration 2 : 28/102 places, 25/98 transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 237 ms. Remains : 28/102 places, 25/98 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||F((G(p1)&&F((G(p2)||(p2&&F(p3))))))))))'
Stuttering acceptance computed with spot in 257 ms :[(OR (AND (NOT p0) (NOT p2)) (AND (NOT p0) (NOT p1))), (AND (NOT p0) (NOT p2)), (AND (NOT p1) (NOT p0)), (AND (NOT p2) (NOT p0) (NOT p3))]
Running random walk in product with property : AutoFlight-PT-01b-LTLFireability-06
Product exploration explored 100000 steps with 7470 reset in 217 ms.
Stack based approach found an accepted trace after 8379 steps with 621 reset with depth 9 and stack size 9 in 12 ms.
FORMULA AutoFlight-PT-01b-LTLFireability-06 FALSE TECHNIQUES STACK_TEST
Treatment of property AutoFlight-PT-01b-LTLFireability-06 finished in 790 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(G(p0))&&F(p1))))'
Support contains 2 out of 102 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 102/102 places, 98/98 transitions.
Reduce places removed 1 places and 1 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 31 transitions
Trivial Post-agglo rules discarded 31 transitions
Performed 31 trivial Post agglomeration. Transition count delta: 31
Iterating post reduction 0 with 31 rules applied. Total rules applied 31 place count 101 transition count 66
Reduce places removed 31 places and 0 transitions.
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 2 transitions
Trivial Post-agglo rules discarded 2 transitions
Performed 2 trivial Post agglomeration. Transition count delta: 2
Iterating post reduction 1 with 35 rules applied. Total rules applied 66 place count 70 transition count 62
Reduce places removed 2 places and 0 transitions.
Iterating post reduction 2 with 2 rules applied. Total rules applied 68 place count 68 transition count 62
Performed 15 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 15 Pre rules applied. Total rules applied 68 place count 68 transition count 47
Deduced a syphon composed of 15 places in 0 ms
Reduce places removed 15 places and 0 transitions.
Iterating global reduction 3 with 30 rules applied. Total rules applied 98 place count 53 transition count 47
Discarding 4 places :
Symmetric choice reduction at 3 with 4 rule applications. Total rules 102 place count 49 transition count 43
Iterating global reduction 3 with 4 rules applied. Total rules applied 106 place count 49 transition count 43
Performed 2 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 2 Pre rules applied. Total rules applied 106 place count 49 transition count 41
Deduced a syphon composed of 2 places in 0 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 3 with 4 rules applied. Total rules applied 110 place count 47 transition count 41
Performed 15 Post agglomeration using F-continuation condition with reduction of 1 identical transitions.
Deduced a syphon composed of 15 places in 0 ms
Reduce places removed 15 places and 0 transitions.
Iterating global reduction 3 with 30 rules applied. Total rules applied 140 place count 32 transition count 25
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 3 with 1 rules applied. Total rules applied 141 place count 31 transition count 24
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 3 with 1 rules applied. Total rules applied 142 place count 30 transition count 24
Performed 1 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 4 with 1 Pre rules applied. Total rules applied 142 place count 30 transition count 23
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 4 with 2 rules applied. Total rules applied 144 place count 29 transition count 23
Applied a total of 144 rules in 14 ms. Remains 29 /102 variables (removed 73) and now considering 23/98 (removed 75) transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-10612615328729180173.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-14790824722474716072.kers'
[2026-05-22 22:56:17] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-10612615328729180173.kers, --Pflows, --basisKERS=/tmp/petrispot-output-14790824722474716072.kers]
Culling duplicate invariants (modulo rational): removing 3 columns.
Culled 3 columns in 0 ms.
// Phase 1: matrix 23 rows 26 cols 61 entries
Finished phase 1 with 20 SingleSign rule and 0 generalized
[2026-05-22 22:56:17] [INFO ] Computed 9 invariants in 0 ms
Computed 9 P flows in 3 ms.
Exported basis to /tmp/petrispot-output-14790824722474716072.kers
Total runtime 3 ms.
[2026-05-22 22:56:17] [INFO ] Implicit Places using invariants in 44 ms returned [12, 17, 22, 28]
Discarding 4 places :
Implicit Place search using SMT only with invariants took 46 ms to find 4 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 25/102 places, 23/98 transitions.
Discarding 2 places :
Symmetric choice reduction at 0 with 2 rule applications. Total rules 2 place count 23 transition count 21
Iterating global reduction 0 with 2 rules applied. Total rules applied 4 place count 23 transition count 21
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 5 place count 22 transition count 20
Iterating global reduction 0 with 1 rules applied. Total rules applied 6 place count 22 transition count 20
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Deduced a syphon composed of 1 places in 1 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 0 with 2 rules applied. Total rules applied 8 place count 21 transition count 19
Applied a total of 8 rules in 9 ms. Remains 21 /25 variables (removed 4) and now considering 19/23 (removed 4) transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-7698966786633737698.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-8356054831046343180.kers'
[2026-05-22 22:56:17] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-7698966786633737698.kers, --Pflows, --basisKERS=/tmp/petrispot-output-8356054831046343180.kers]
Culling duplicate invariants (modulo rational): removing 2 columns.
Culled 2 columns in 0 ms.
// Phase 1: matrix 19 rows 19 cols 47 entries
Finished phase 1 with 16 SingleSign rule and 0 generalized
[2026-05-22 22:56:17] [INFO ] Computed 5 invariants in 0 ms
Computed 5 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-8356054831046343180.kers
Total runtime 0 ms.
[2026-05-22 22:56:17] [INFO ] Implicit Places using invariants in 47 ms returned []
[2026-05-22 22:56:17] [INFO ] Invariant cache hit.
[2026-05-22 22:56:18] [INFO ] State equation strengthened by 1 read => feed constraints.
[2026-05-22 22:56:18] [INFO ] Implicit Places using invariants and state equation in 43 ms returned []
Implicit Place search using SMT with State Equation took 92 ms to find 0 implicit places.
Starting structural reductions in SI_LTL mode, iteration 2 : 21/102 places, 19/98 transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 161 ms. Remains : 21/102 places, 19/98 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(G(p0))&&F(p1))))'
Stuttering acceptance computed with spot in 155 ms :[(OR (NOT p0) (NOT p1)), (NOT p0), (NOT p1)]
Running random walk in product with property : AutoFlight-PT-01b-LTLFireability-07
Stuttering criterion allowed to conclude after 7 steps with 0 reset in 0 ms.
FORMULA AutoFlight-PT-01b-LTLFireability-07 FALSE TECHNIQUES STUTTER_TEST
Treatment of property AutoFlight-PT-01b-LTLFireability-07 finished in 342 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(((X(X(p0)) U ((p1&&X(X(p0))&&G(p2))||X(X(G(p0)))))||F((G(p2)||(p0&&X(p2))))))'
Support contains 2 out of 102 places. Attempting structural reductions.
Property had overlarge support with respect to TGBA, discarding it for now.
Starting structural reductions in LTL mode, iteration 0 : 102/102 places, 98/98 transitions.
Discarding 6 places :
Symmetric choice reduction at 0 with 6 rule applications. Total rules 6 place count 96 transition count 92
Iterating global reduction 0 with 6 rules applied. Total rules applied 12 place count 96 transition count 92
Discarding 2 places :
Symmetric choice reduction at 0 with 2 rule applications. Total rules 14 place count 94 transition count 90
Iterating global reduction 0 with 2 rules applied. Total rules applied 16 place count 94 transition count 90
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 17 place count 93 transition count 89
Iterating global reduction 0 with 1 rules applied. Total rules applied 18 place count 93 transition count 89
Applied a total of 18 rules in 9 ms. Remains 93 /102 variables (removed 9) and now considering 89/98 (removed 9) transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-1026458040740806431.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-2249781524118024649.kers'
[2026-05-22 22:56:18] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-1026458040740806431.kers, --Pflows, --basisKERS=/tmp/petrispot-output-2249781524118024649.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 89 rows 93 cols 218 entries
Finished phase 1 with 80 SingleSign rule and 3 generalized
[2026-05-22 22:56:18] [INFO ] Computed 10 invariants in 1 ms
Computed 10 P flows in 1 ms.
Exported basis to /tmp/petrispot-output-2249781524118024649.kers
Total runtime 2 ms.
[2026-05-22 22:56:18] [INFO ] Implicit Places using invariants in 81 ms returned []
[2026-05-22 22:56:18] [INFO ] Invariant cache hit.
[2026-05-22 22:56:18] [INFO ] Implicit Places using invariants and state equation in 102 ms returned []
Implicit Place search using SMT with State Equation took 187 ms to find 0 implicit places.
Running 88 sub problems to find dead transitions.
[2026-05-22 22:56:18] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/92 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 88 unsolved
At refinement iteration 1 (OVERLAPS) 1/93 variables, 9/9 constraints. Problems are: Problem set: 0 solved, 88 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/93 variables, 1/10 constraints. Problems are: Problem set: 0 solved, 88 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/93 variables, 9/19 constraints. Problems are: Problem set: 0 solved, 88 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/93 variables, 1/20 constraints. Problems are: Problem set: 0 solved, 88 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/93 variables, 0/20 constraints. Problems are: Problem set: 0 solved, 88 unsolved
At refinement iteration 6 (OVERLAPS) 89/182 variables, 93/113 constraints. Problems are: Problem set: 0 solved, 88 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/182 variables, 0/113 constraints. Problems are: Problem set: 0 solved, 88 unsolved
At refinement iteration 8 (OVERLAPS) 0/182 variables, 4/117 constraints. Problems are: Problem set: 0 solved, 88 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/182 variables, 0/117 constraints. Problems are: Problem set: 0 solved, 88 unsolved
At refinement iteration 10 (OVERLAPS) 0/182 variables, 0/117 constraints. Problems are: Problem set: 0 solved, 88 unsolved
No progress, stopping.
After SMT solving in domain Real declared 182/182 variables, and 117 constraints, problems are : Problem set: 0 solved, 88 unsolved in 7260 ms.
Refiners :[Positive P Invariants (semi-flows): 9/9 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 93/93 constraints, PredecessorRefiner: 88/88 constraints, Known Traps: 14/14 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 88 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/92 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 88 unsolved
At refinement iteration 1 (OVERLAPS) 1/93 variables, 9/9 constraints. Problems are: Problem set: 0 solved, 88 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/93 variables, 1/10 constraints. Problems are: Problem set: 0 solved, 88 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/93 variables, 14/24 constraints. Problems are: Problem set: 0 solved, 88 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/93 variables, 1/25 constraints. Problems are: Problem set: 0 solved, 88 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/93 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 88 unsolved
At refinement iteration 6 (OVERLAPS) 89/182 variables, 93/118 constraints. Problems are: Problem set: 0 solved, 88 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/182 variables, 88/206 constraints. Problems are: Problem set: 0 solved, 88 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/182 variables, 3/209 constraints. Problems are: Problem set: 0 solved, 88 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/182 variables, 1/210 constraints. Problems are: Problem set: 0 solved, 88 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/182 variables, 1/211 constraints. Problems are: Problem set: 0 solved, 88 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/182 variables, 0/211 constraints. Problems are: Problem set: 0 solved, 88 unsolved
At refinement iteration 12 (OVERLAPS) 0/182 variables, 0/211 constraints. Problems are: Problem set: 0 solved, 88 unsolved
No progress, stopping.
After SMT solving in domain Int declared 182/182 variables, and 211 constraints, problems are : Problem set: 0 solved, 88 unsolved in 12986 ms.
Refiners :[Positive P Invariants (semi-flows): 9/9 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 93/93 constraints, PredecessorRefiner: 88/88 constraints, Known Traps: 15/15 constraints, Known Traps Along Path: 5/5 constraints]
After SMT, in 20252ms problems are : Problem set: 0 solved, 88 unsolved
Search for dead transitions found 0 dead transitions in 20252ms
Starting structural reductions in LTL mode, iteration 1 : 93/102 places, 89/98 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 20449 ms. Remains : 93/102 places, 89/98 transitions.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(((X(X(p0)) U ((p1&&X(X(p0))&&G(p2))||X(X(G(p0)))))||F((G(p2)||(p0&&X(p2))))))'
Stuttering acceptance computed with spot in 432 ms :[(AND (NOT p0) (NOT p2)), (AND (NOT p0) (NOT p2)), (AND (NOT p0) (NOT p2)), (AND (NOT p0) (NOT p2)), (AND (NOT p0) (NOT p2)), (NOT p2), (NOT p2)]
Running random walk in product with property : AutoFlight-PT-01b-LTLFireability-09
Product exploration explored 100000 steps with 50000 reset in 112 ms.
Product exploration explored 100000 steps with 50000 reset in 90 ms.
Computed a total of 24 stabilizing places and 24 stable transitions
Computed a total of 24 stabilizing places and 24 stable transitions
Detected a total of 24/93 stabilizing places and 24/89 transitions leading to convergence knowledge of the form 'F(Gp|G!p)' for 1/2 atomic propositions.
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 7 states, 20 edges and 2 AP (stutter sensitive
Knowledge-based reduction took 18 ms.
FORMULA AutoFlight-PT-01b-LTLFireability-09 TRUE TECHNIQUES KNOWLEDGE
Treatment of property AutoFlight-PT-01b-LTLFireability-09 finished in 21169 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) U p1)||X(X(X(G(p2))))))'
Support contains 3 out of 102 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 102/102 places, 98/98 transitions.
Discarding 7 places :
Symmetric choice reduction at 0 with 7 rule applications. Total rules 7 place count 95 transition count 91
Iterating global reduction 0 with 7 rules applied. Total rules applied 14 place count 95 transition count 91
Discarding 3 places :
Symmetric choice reduction at 0 with 3 rule applications. Total rules 17 place count 92 transition count 88
Iterating global reduction 0 with 3 rules applied. Total rules applied 20 place count 92 transition count 88
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 21 place count 91 transition count 87
Iterating global reduction 0 with 1 rules applied. Total rules applied 22 place count 91 transition count 87
Applied a total of 22 rules in 8 ms. Remains 91 /102 variables (removed 11) and now considering 87/98 (removed 11) transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-1021259929080387721.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-4068708585136267840.kers'
[2026-05-22 22:56:39] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-1021259929080387721.kers, --Pflows, --basisKERS=/tmp/petrispot-output-4068708585136267840.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 87 rows 91 cols 214 entries
Finished phase 1 with 78 SingleSign rule and 3 generalized
[2026-05-22 22:56:39] [INFO ] Computed 10 invariants in 1 ms
Computed 10 P flows in 1 ms.
Exported basis to /tmp/petrispot-output-4068708585136267840.kers
Total runtime 1 ms.
[2026-05-22 22:56:39] [INFO ] Implicit Places using invariants in 71 ms returned []
[2026-05-22 22:56:39] [INFO ] Invariant cache hit.
[2026-05-22 22:56:39] [INFO ] Implicit Places using invariants and state equation in 90 ms returned []
Implicit Place search using SMT with State Equation took 164 ms to find 0 implicit places.
Running 86 sub problems to find dead transitions.
[2026-05-22 22:56:39] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/90 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 86 unsolved
At refinement iteration 1 (OVERLAPS) 1/91 variables, 9/9 constraints. Problems are: Problem set: 0 solved, 86 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/91 variables, 1/10 constraints. Problems are: Problem set: 0 solved, 86 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/91 variables, 6/16 constraints. Problems are: Problem set: 0 solved, 86 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/91 variables, 0/16 constraints. Problems are: Problem set: 0 solved, 86 unsolved
At refinement iteration 5 (OVERLAPS) 87/178 variables, 91/107 constraints. Problems are: Problem set: 0 solved, 86 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/178 variables, 0/107 constraints. Problems are: Problem set: 0 solved, 86 unsolved
At refinement iteration 7 (OVERLAPS) 0/178 variables, 0/107 constraints. Problems are: Problem set: 0 solved, 86 unsolved
No progress, stopping.
After SMT solving in domain Real declared 178/178 variables, and 107 constraints, problems are : Problem set: 0 solved, 86 unsolved in 4671 ms.
Refiners :[Positive P Invariants (semi-flows): 9/9 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 91/91 constraints, PredecessorRefiner: 86/86 constraints, Known Traps: 6/6 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 86 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/90 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 86 unsolved
At refinement iteration 1 (OVERLAPS) 1/91 variables, 9/9 constraints. Problems are: Problem set: 0 solved, 86 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/91 variables, 1/10 constraints. Problems are: Problem set: 0 solved, 86 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/91 variables, 6/16 constraints. Problems are: Problem set: 0 solved, 86 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/91 variables, 2/18 constraints. Problems are: Problem set: 0 solved, 86 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/91 variables, 0/18 constraints. Problems are: Problem set: 0 solved, 86 unsolved
At refinement iteration 6 (OVERLAPS) 87/178 variables, 91/109 constraints. Problems are: Problem set: 0 solved, 86 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/178 variables, 86/195 constraints. Problems are: Problem set: 0 solved, 86 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/178 variables, 1/196 constraints. Problems are: Problem set: 0 solved, 86 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/178 variables, 3/199 constraints. Problems are: Problem set: 0 solved, 86 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/178 variables, 2/201 constraints. Problems are: Problem set: 0 solved, 86 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/178 variables, 1/202 constraints. Problems are: Problem set: 0 solved, 86 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/178 variables, 0/202 constraints. Problems are: Problem set: 0 solved, 86 unsolved
At refinement iteration 13 (OVERLAPS) 0/178 variables, 0/202 constraints. Problems are: Problem set: 0 solved, 86 unsolved
No progress, stopping.
After SMT solving in domain Int declared 178/178 variables, and 202 constraints, problems are : Problem set: 0 solved, 86 unsolved in 10401 ms.
Refiners :[Positive P Invariants (semi-flows): 9/9 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 91/91 constraints, PredecessorRefiner: 86/86 constraints, Known Traps: 12/12 constraints, Known Traps Along Path: 3/3 constraints]
After SMT, in 15084ms problems are : Problem set: 0 solved, 86 unsolved
Search for dead transitions found 0 dead transitions in 15085ms
Starting structural reductions in LTL mode, iteration 1 : 91/102 places, 87/98 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 15258 ms. Remains : 91/102 places, 87/98 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) U p1)||X(X(X(G(p2))))))'
Stuttering acceptance computed with spot in 566 ms :[(AND (NOT p1) (NOT p2)), (AND (NOT p0) p1 (NOT p2)), (AND (NOT p1) (NOT p2)), (AND (NOT p0) (NOT p2)), (AND (NOT p1) (NOT p2)), (AND (NOT p0) (NOT p2)), (AND (NOT p1) (NOT p2)), (NOT p0), (NOT p1)]
Running random walk in product with property : AutoFlight-PT-01b-LTLFireability-10
Stuttering criterion allowed to conclude after 68 steps with 5 reset in 0 ms.
FORMULA AutoFlight-PT-01b-LTLFireability-10 FALSE TECHNIQUES STUTTER_TEST
Treatment of property AutoFlight-PT-01b-LTLFireability-10 finished in 15877 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(G(F(p0)))'
Support contains 1 out of 102 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 102/102 places, 98/98 transitions.
Reduce places removed 1 places and 1 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 30 transitions
Trivial Post-agglo rules discarded 30 transitions
Performed 30 trivial Post agglomeration. Transition count delta: 30
Iterating post reduction 0 with 30 rules applied. Total rules applied 30 place count 101 transition count 67
Reduce places removed 30 places and 0 transitions.
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 2 transitions
Trivial Post-agglo rules discarded 2 transitions
Performed 2 trivial Post agglomeration. Transition count delta: 2
Iterating post reduction 1 with 34 rules applied. Total rules applied 64 place count 71 transition count 63
Reduce places removed 2 places and 0 transitions.
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Iterating post reduction 2 with 3 rules applied. Total rules applied 67 place count 69 transition count 62
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 3 with 1 rules applied. Total rules applied 68 place count 68 transition count 62
Performed 16 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 4 with 16 Pre rules applied. Total rules applied 68 place count 68 transition count 46
Deduced a syphon composed of 16 places in 0 ms
Reduce places removed 16 places and 0 transitions.
Iterating global reduction 4 with 32 rules applied. Total rules applied 100 place count 52 transition count 46
Discarding 4 places :
Symmetric choice reduction at 4 with 4 rule applications. Total rules 104 place count 48 transition count 42
Iterating global reduction 4 with 4 rules applied. Total rules applied 108 place count 48 transition count 42
Performed 1 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 4 with 1 Pre rules applied. Total rules applied 108 place count 48 transition count 41
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 4 with 2 rules applied. Total rules applied 110 place count 47 transition count 41
Performed 16 Post agglomeration using F-continuation condition with reduction of 1 identical transitions.
Deduced a syphon composed of 16 places in 0 ms
Reduce places removed 16 places and 0 transitions.
Iterating global reduction 4 with 32 rules applied. Total rules applied 142 place count 31 transition count 24
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 4 with 1 rules applied. Total rules applied 143 place count 30 transition count 23
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 4 with 1 rules applied. Total rules applied 144 place count 29 transition count 23
Performed 1 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 5 with 1 Pre rules applied. Total rules applied 144 place count 29 transition count 22
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 5 with 2 rules applied. Total rules applied 146 place count 28 transition count 22
Applied a total of 146 rules in 26 ms. Remains 28 /102 variables (removed 74) and now considering 22/98 (removed 76) transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-6344314201300378392.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-14039546572115817333.kers'
[2026-05-22 22:56:55] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-6344314201300378392.kers, --Pflows, --basisKERS=/tmp/petrispot-output-14039546572115817333.kers]
Culling duplicate invariants (modulo rational): removing 4 columns.
Culled 4 columns in 0 ms.
// Phase 1: matrix 22 rows 24 cols 55 entries
Finished phase 1 with 19 SingleSign rule and 0 generalized
[2026-05-22 22:56:55] [INFO ] Computed 9 invariants in 0 ms
Computed 9 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-14039546572115817333.kers
Total runtime 1 ms.
[2026-05-22 22:56:55] [INFO ] Implicit Places using invariants in 62 ms returned [11, 16, 21, 27]
Discarding 4 places :
Implicit Place search using SMT only with invariants took 64 ms to find 4 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 24/102 places, 22/98 transitions.
Discarding 2 places :
Symmetric choice reduction at 0 with 2 rule applications. Total rules 2 place count 22 transition count 20
Iterating global reduction 0 with 2 rules applied. Total rules applied 4 place count 22 transition count 20
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 5 place count 21 transition count 19
Iterating global reduction 0 with 1 rules applied. Total rules applied 6 place count 21 transition count 19
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 0 with 2 rules applied. Total rules applied 8 place count 20 transition count 18
Applied a total of 8 rules in 4 ms. Remains 20 /24 variables (removed 4) and now considering 18/22 (removed 4) transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-1936841139001263668.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-9674324232534074320.kers'
[2026-05-22 22:56:55] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-1936841139001263668.kers, --Pflows, --basisKERS=/tmp/petrispot-output-9674324232534074320.kers]
Culling duplicate invariants (modulo rational): removing 3 columns.
Culled 3 columns in 0 ms.
// Phase 1: matrix 18 rows 17 cols 41 entries
Finished phase 1 with 15 SingleSign rule and 0 generalized
[2026-05-22 22:56:55] [INFO ] Computed 5 invariants in 0 ms
Computed 5 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-9674324232534074320.kers
Total runtime 0 ms.
[2026-05-22 22:56:55] [INFO ] Implicit Places using invariants in 48 ms returned []
[2026-05-22 22:56:55] [INFO ] Invariant cache hit.
[2026-05-22 22:56:55] [INFO ] State equation strengthened by 2 read => feed constraints.
[2026-05-22 22:56:55] [INFO ] Implicit Places using invariants and state equation in 58 ms returned []
Implicit Place search using SMT with State Equation took 108 ms to find 0 implicit places.
Starting structural reductions in SI_LTL mode, iteration 2 : 20/102 places, 18/98 transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 202 ms. Remains : 20/102 places, 18/98 transitions.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(G(F(p0)))'
Stuttering acceptance computed with spot in 112 ms :[(NOT p0), (NOT p0)]
Running random walk in product with property : AutoFlight-PT-01b-LTLFireability-11
Product exploration explored 100000 steps with 13433 reset in 54 ms.
Product exploration explored 100000 steps with 13426 reset in 58 ms.
Computed a total of 4 stabilizing places and 3 stable transitions
Computed a total of 4 stabilizing places and 3 stable transitions
Detected a total of 4/20 stabilizing places and 3/18 transitions leading to convergence knowledge of the form 'F(Gp|G!p)' for 1/1 atomic propositions.
Knowledge based reduction with 2 factoid took 165 ms. Reduced automaton from 2 states, 3 edges and 1 AP (stutter insensitive) to 2 states, 3 edges and 1 AP (stutter insensitive).
RANDOM walk for 11 steps (0 resets) in 6 ms. (1 steps per ms) remains 0/1 properties
Knowledge based reduction with 2 factoid took 181 ms. Reduced automaton from 2 states, 3 edges and 1 AP (stutter insensitive) to 2 states, 3 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 116 ms :[(NOT p0), (NOT p0)]
Knowledge-based reduction took 464 ms.
Stuttering acceptance computed with spot in 122 ms :[(NOT p0), (NOT p0)]
Support contains 1 out of 20 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 20/20 places, 18/18 transitions.
Applied a total of 0 rules in 2 ms. Remains 20 /20 variables (removed 0) and now considering 18/18 (removed 0) transitions.
[2026-05-22 22:56:56] [INFO ] Invariant cache hit.
[2026-05-22 22:56:56] [INFO ] Implicit Places using invariants in 44 ms returned []
[2026-05-22 22:56:56] [INFO ] Invariant cache hit.
[2026-05-22 22:56:56] [INFO ] State equation strengthened by 2 read => feed constraints.
[2026-05-22 22:56:56] [INFO ] Implicit Places using invariants and state equation in 57 ms returned []
Implicit Place search using SMT with State Equation took 104 ms to find 0 implicit places.
[2026-05-22 22:56:56] [INFO ] Redundant transitions in 0 ms returned []
Running 12 sub problems to find dead transitions.
[2026-05-22 22:56:56] [INFO ] Invariant cache hit.
[2026-05-22 22:56:56] [INFO ] State equation strengthened by 2 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/18 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/18 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 2 (OVERLAPS) 2/20 variables, 2/5 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/20 variables, 1/6 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/20 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 5 (OVERLAPS) 18/38 variables, 20/26 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/38 variables, 2/28 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/38 variables, 1/29 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/38 variables, 0/29 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 9 (OVERLAPS) 0/38 variables, 0/29 constraints. Problems are: Problem set: 0 solved, 12 unsolved
No progress, stopping.
After SMT solving in domain Real declared 38/38 variables, and 29 constraints, problems are : Problem set: 0 solved, 12 unsolved in 498 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 20/20 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 12/12 constraints, Known Traps: 2/2 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 12 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/18 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/18 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 2 (OVERLAPS) 2/20 variables, 2/5 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/20 variables, 2/7 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/20 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 5 (OVERLAPS) 18/38 variables, 20/27 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/38 variables, 2/29 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/38 variables, 12/41 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/38 variables, 0/41 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 9 (OVERLAPS) 0/38 variables, 1/42 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/38 variables, 0/42 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 11 (OVERLAPS) 0/38 variables, 0/42 constraints. Problems are: Problem set: 0 solved, 12 unsolved
No progress, stopping.
After SMT solving in domain Int declared 38/38 variables, and 42 constraints, problems are : Problem set: 0 solved, 12 unsolved in 388 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 20/20 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 12/12 constraints, Known Traps: 2/2 constraints, Known Traps Along Path: 1/1 constraints]
After SMT, in 892ms problems are : Problem set: 0 solved, 12 unsolved
Search for dead transitions found 0 dead transitions in 892ms
Finished structural reductions in SI_LTL mode , in 1 iterations and 1008 ms. Remains : 20/20 places, 18/18 transitions.
Computed a total of 4 stabilizing places and 3 stable transitions
Computed a total of 4 stabilizing places and 3 stable transitions
Detected a total of 4/20 stabilizing places and 3/18 transitions leading to convergence knowledge of the form 'F(Gp|G!p)' for 1/1 atomic propositions.
Knowledge based reduction with 2 factoid took 162 ms. Reduced automaton from 2 states, 3 edges and 1 AP (stutter insensitive) to 2 states, 3 edges and 1 AP (stutter insensitive).
RANDOM walk for 9 steps (0 resets) in 5 ms. (1 steps per ms) remains 0/1 properties
Knowledge based reduction with 2 factoid took 169 ms. Reduced automaton from 2 states, 3 edges and 1 AP (stutter insensitive) to 2 states, 3 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 121 ms :[(NOT p0), (NOT p0)]
Knowledge-based reduction took 456 ms.
Stuttering acceptance computed with spot in 120 ms :[(NOT p0), (NOT p0)]
Stuttering acceptance computed with spot in 129 ms :[(NOT p0), (NOT p0)]
Product exploration explored 100000 steps with 13420 reset in 125 ms.
Stack based approach found an accepted trace after 38857 steps with 5240 reset with depth 7 and stack size 7 in 28 ms.
FORMULA AutoFlight-PT-01b-LTLFireability-11 FALSE TECHNIQUES STACK_TEST
Treatment of property AutoFlight-PT-01b-LTLFireability-11 finished in 2948 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(G((G(p0)||(p1&&X(p0)&&F(p2)))))'
Support contains 3 out of 102 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 102/102 places, 98/98 transitions.
Discarding 6 places :
Symmetric choice reduction at 0 with 6 rule applications. Total rules 6 place count 96 transition count 92
Iterating global reduction 0 with 6 rules applied. Total rules applied 12 place count 96 transition count 92
Discarding 2 places :
Symmetric choice reduction at 0 with 2 rule applications. Total rules 14 place count 94 transition count 90
Iterating global reduction 0 with 2 rules applied. Total rules applied 16 place count 94 transition count 90
Applied a total of 16 rules in 13 ms. Remains 94 /102 variables (removed 8) and now considering 90/98 (removed 8) transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-14145926720653399412.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-1900848951750107802.kers'
[2026-05-22 22:56:58] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-14145926720653399412.kers, --Pflows, --basisKERS=/tmp/petrispot-output-1900848951750107802.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 90 rows 94 cols 220 entries
Finished phase 1 with 81 SingleSign rule and 3 generalized
[2026-05-22 22:56:58] [INFO ] Computed 10 invariants in 1 ms
Computed 10 P flows in 1 ms.
Exported basis to /tmp/petrispot-output-1900848951750107802.kers
Total runtime 2 ms.
[2026-05-22 22:56:58] [INFO ] Implicit Places using invariants in 99 ms returned []
[2026-05-22 22:56:58] [INFO ] Invariant cache hit.
[2026-05-22 22:56:58] [INFO ] Implicit Places using invariants and state equation in 93 ms returned []
Implicit Place search using SMT with State Equation took 195 ms to find 0 implicit places.
Running 89 sub problems to find dead transitions.
[2026-05-22 22:56:58] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/93 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 89 unsolved
At refinement iteration 1 (OVERLAPS) 1/94 variables, 9/9 constraints. Problems are: Problem set: 0 solved, 89 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/94 variables, 1/10 constraints. Problems are: Problem set: 0 solved, 89 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/94 variables, 8/18 constraints. Problems are: Problem set: 0 solved, 89 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/94 variables, 2/20 constraints. Problems are: Problem set: 0 solved, 89 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/94 variables, 1/21 constraints. Problems are: Problem set: 0 solved, 89 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/94 variables, 0/21 constraints. Problems are: Problem set: 0 solved, 89 unsolved
At refinement iteration 7 (OVERLAPS) 90/184 variables, 94/115 constraints. Problems are: Problem set: 0 solved, 89 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/184 variables, 0/115 constraints. Problems are: Problem set: 0 solved, 89 unsolved
At refinement iteration 9 (OVERLAPS) 0/184 variables, 0/115 constraints. Problems are: Problem set: 0 solved, 89 unsolved
No progress, stopping.
After SMT solving in domain Real declared 184/184 variables, and 115 constraints, problems are : Problem set: 0 solved, 89 unsolved in 5886 ms.
Refiners :[Positive P Invariants (semi-flows): 9/9 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 94/94 constraints, PredecessorRefiner: 89/89 constraints, Known Traps: 11/11 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 89 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/93 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 89 unsolved
At refinement iteration 1 (OVERLAPS) 1/94 variables, 9/9 constraints. Problems are: Problem set: 0 solved, 89 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/94 variables, 1/10 constraints. Problems are: Problem set: 0 solved, 89 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/94 variables, 11/21 constraints. Problems are: Problem set: 0 solved, 89 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/94 variables, 1/22 constraints. Problems are: Problem set: 0 solved, 89 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/94 variables, 3/25 constraints. Problems are: Problem set: 0 solved, 89 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/94 variables, 1/26 constraints. Problems are: Problem set: 0 solved, 89 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/94 variables, 0/26 constraints. Problems are: Problem set: 0 solved, 89 unsolved
At refinement iteration 8 (OVERLAPS) 90/184 variables, 94/120 constraints. Problems are: Problem set: 0 solved, 89 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/184 variables, 89/209 constraints. Problems are: Problem set: 0 solved, 89 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/184 variables, 3/212 constraints. Problems are: Problem set: 0 solved, 89 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/184 variables, 1/213 constraints. Problems are: Problem set: 0 solved, 89 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/184 variables, 6/219 constraints. Problems are: Problem set: 0 solved, 89 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/184 variables, 0/219 constraints. Problems are: Problem set: 0 solved, 89 unsolved
At refinement iteration 14 (OVERLAPS) 0/184 variables, 0/219 constraints. Problems are: Problem set: 0 solved, 89 unsolved
No progress, stopping.
After SMT solving in domain Int declared 184/184 variables, and 219 constraints, problems are : Problem set: 0 solved, 89 unsolved in 10531 ms.
Refiners :[Positive P Invariants (semi-flows): 9/9 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 94/94 constraints, PredecessorRefiner: 89/89 constraints, Known Traps: 20/20 constraints, Known Traps Along Path: 6/6 constraints]
After SMT, in 16428ms problems are : Problem set: 0 solved, 89 unsolved
Search for dead transitions found 0 dead transitions in 16429ms
Starting structural reductions in LTL mode, iteration 1 : 94/102 places, 90/98 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 16639 ms. Remains : 94/102 places, 90/98 transitions.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(G((G(p0)||(X(p0)&&F(p1)&&p2))))'
Stuttering acceptance computed with spot in 160 ms :[true, (NOT p0), (OR (NOT p0) (NOT p1)), (NOT p0)]
Running random walk in product with property : AutoFlight-PT-01b-LTLFireability-13
Entered a terminal (fully accepting) state of product in 1 steps with 0 reset in 1 ms.
FORMULA AutoFlight-PT-01b-LTLFireability-13 FALSE TECHNIQUES STUTTER_TEST
Treatment of property AutoFlight-PT-01b-LTLFireability-13 finished in 16846 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 2 out of 102 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 102/102 places, 98/98 transitions.
Reduce places removed 1 places and 1 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 31 transitions
Trivial Post-agglo rules discarded 31 transitions
Performed 31 trivial Post agglomeration. Transition count delta: 31
Iterating post reduction 0 with 31 rules applied. Total rules applied 31 place count 101 transition count 66
Reduce places removed 31 places and 0 transitions.
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 2 transitions
Trivial Post-agglo rules discarded 2 transitions
Performed 2 trivial Post agglomeration. Transition count delta: 2
Iterating post reduction 1 with 35 rules applied. Total rules applied 66 place count 70 transition count 62
Reduce places removed 2 places and 0 transitions.
Iterating post reduction 2 with 2 rules applied. Total rules applied 68 place count 68 transition count 62
Performed 16 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 16 Pre rules applied. Total rules applied 68 place count 68 transition count 46
Deduced a syphon composed of 16 places in 0 ms
Reduce places removed 16 places and 0 transitions.
Iterating global reduction 3 with 32 rules applied. Total rules applied 100 place count 52 transition count 46
Discarding 5 places :
Symmetric choice reduction at 3 with 5 rule applications. Total rules 105 place count 47 transition count 41
Iterating global reduction 3 with 5 rules applied. Total rules applied 110 place count 47 transition count 41
Performed 2 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 2 Pre rules applied. Total rules applied 110 place count 47 transition count 39
Deduced a syphon composed of 2 places in 0 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 3 with 4 rules applied. Total rules applied 114 place count 45 transition count 39
Performed 15 Post agglomeration using F-continuation condition with reduction of 1 identical transitions.
Deduced a syphon composed of 15 places in 0 ms
Reduce places removed 15 places and 0 transitions.
Iterating global reduction 3 with 30 rules applied. Total rules applied 144 place count 30 transition count 23
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 3 with 1 rules applied. Total rules applied 145 place count 29 transition count 22
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 3 with 1 rules applied. Total rules applied 146 place count 28 transition count 22
Performed 1 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 4 with 1 Pre rules applied. Total rules applied 146 place count 28 transition count 21
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 4 with 2 rules applied. Total rules applied 148 place count 27 transition count 21
Applied a total of 148 rules in 20 ms. Remains 27 /102 variables (removed 75) and now considering 21/98 (removed 77) transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-2845096040603290136.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-11184722977877729378.kers'
[2026-05-22 22:57:15] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-2845096040603290136.kers, --Pflows, --basisKERS=/tmp/petrispot-output-11184722977877729378.kers]
Culling duplicate invariants (modulo rational): removing 3 columns.
Culled 3 columns in 0 ms.
// Phase 1: matrix 21 rows 24 cols 55 entries
Finished phase 1 with 18 SingleSign rule and 0 generalized
[2026-05-22 22:57:15] [INFO ] Computed 9 invariants in 0 ms
Computed 9 P flows in 1 ms.
Exported basis to /tmp/petrispot-output-11184722977877729378.kers
Total runtime 1 ms.
[2026-05-22 22:57:15] [INFO ] Implicit Places using invariants in 65 ms returned [10, 15, 20, 26]
Discarding 4 places :
Implicit Place search using SMT only with invariants took 66 ms to find 4 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 23/102 places, 21/98 transitions.
Discarding 2 places :
Symmetric choice reduction at 0 with 2 rule applications. Total rules 2 place count 21 transition count 19
Iterating global reduction 0 with 2 rules applied. Total rules applied 4 place count 21 transition count 19
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 5 place count 20 transition count 18
Iterating global reduction 0 with 1 rules applied. Total rules applied 6 place count 20 transition count 18
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 0 with 2 rules applied. Total rules applied 8 place count 19 transition count 17
Applied a total of 8 rules in 4 ms. Remains 19 /23 variables (removed 4) and now considering 17/21 (removed 4) transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-17910172123190135940.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-515358204418176923.kers'
[2026-05-22 22:57:15] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-17910172123190135940.kers, --Pflows, --basisKERS=/tmp/petrispot-output-515358204418176923.kers]
Culling duplicate invariants (modulo rational): removing 2 columns.
Culled 2 columns in 0 ms.
// Phase 1: matrix 17 rows 17 cols 41 entries
Finished phase 1 with 14 SingleSign rule and 0 generalized
[2026-05-22 22:57:15] [INFO ] Computed 5 invariants in 0 ms
Computed 5 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-515358204418176923.kers
Total runtime 0 ms.
[2026-05-22 22:57:15] [INFO ] Implicit Places using invariants in 43 ms returned []
[2026-05-22 22:57:15] [INFO ] Invariant cache hit.
[2026-05-22 22:57:15] [INFO ] State equation strengthened by 1 read => feed constraints.
[2026-05-22 22:57:15] [INFO ] Implicit Places using invariants and state equation in 59 ms returned []
Implicit Place search using SMT with State Equation took 103 ms to find 0 implicit places.
Starting structural reductions in SI_LTL mode, iteration 2 : 19/102 places, 17/98 transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 193 ms. Remains : 19/102 places, 17/98 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 40 ms :[(NOT p0)]
Running random walk in product with property : AutoFlight-PT-01b-LTLFireability-14
Product exploration explored 100000 steps with 10667 reset in 169 ms.
Stack based approach found an accepted trace after 327 steps with 35 reset with depth 12 and stack size 12 in 1 ms.
FORMULA AutoFlight-PT-01b-LTLFireability-14 FALSE TECHNIQUES STACK_TEST
Treatment of property AutoFlight-PT-01b-LTLFireability-14 finished in 434 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)&&X(X((p1||X(p2)))))))'
Support contains 3 out of 102 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 102/102 places, 98/98 transitions.
Discarding 5 places :
Symmetric choice reduction at 0 with 5 rule applications. Total rules 5 place count 97 transition count 93
Iterating global reduction 0 with 5 rules applied. Total rules applied 10 place count 97 transition count 93
Discarding 2 places :
Symmetric choice reduction at 0 with 2 rule applications. Total rules 12 place count 95 transition count 91
Iterating global reduction 0 with 2 rules applied. Total rules applied 14 place count 95 transition count 91
Applied a total of 14 rules in 3 ms. Remains 95 /102 variables (removed 7) and now considering 91/98 (removed 7) transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-14681548413389778629.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-466576957424854021.kers'
[2026-05-22 22:57:15] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-14681548413389778629.kers, --Pflows, --basisKERS=/tmp/petrispot-output-466576957424854021.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 91 rows 95 cols 222 entries
Finished phase 1 with 82 SingleSign rule and 3 generalized
[2026-05-22 22:57:15] [INFO ] Computed 10 invariants in 0 ms
Computed 10 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-466576957424854021.kers
Total runtime 0 ms.
[2026-05-22 22:57:15] [INFO ] Implicit Places using invariants in 48 ms returned []
[2026-05-22 22:57:15] [INFO ] Invariant cache hit.
[2026-05-22 22:57:15] [INFO ] Implicit Places using invariants and state equation in 78 ms returned []
Implicit Place search using SMT with State Equation took 128 ms to find 0 implicit places.
Running 90 sub problems to find dead transitions.
[2026-05-22 22:57:15] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/94 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 90 unsolved
At refinement iteration 1 (OVERLAPS) 1/95 variables, 9/9 constraints. Problems are: Problem set: 0 solved, 90 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/95 variables, 1/10 constraints. Problems are: Problem set: 0 solved, 90 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/95 variables, 7/17 constraints. Problems are: Problem set: 0 solved, 90 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/95 variables, 4/21 constraints. Problems are: Problem set: 0 solved, 90 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/95 variables, 0/21 constraints. Problems are: Problem set: 0 solved, 90 unsolved
At refinement iteration 6 (OVERLAPS) 91/186 variables, 95/116 constraints. Problems are: Problem set: 0 solved, 90 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/186 variables, 1/117 constraints. Problems are: Problem set: 0 solved, 90 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/186 variables, 0/117 constraints. Problems are: Problem set: 0 solved, 90 unsolved
At refinement iteration 9 (OVERLAPS) 0/186 variables, 0/117 constraints. Problems are: Problem set: 0 solved, 90 unsolved
No progress, stopping.
After SMT solving in domain Real declared 186/186 variables, and 117 constraints, problems are : Problem set: 0 solved, 90 unsolved in 6175 ms.
Refiners :[Positive P Invariants (semi-flows): 9/9 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 95/95 constraints, PredecessorRefiner: 90/90 constraints, Known Traps: 12/12 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 90 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/94 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 90 unsolved
At refinement iteration 1 (OVERLAPS) 1/95 variables, 9/9 constraints. Problems are: Problem set: 0 solved, 90 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/95 variables, 1/10 constraints. Problems are: Problem set: 0 solved, 90 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/95 variables, 12/22 constraints. Problems are: Problem set: 0 solved, 90 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/95 variables, 2/24 constraints. Problems are: Problem set: 0 solved, 90 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/95 variables, 1/25 constraints. Problems are: Problem set: 0 solved, 90 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/95 variables, 1/26 constraints. Problems are: Problem set: 0 solved, 90 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/95 variables, 3/29 constraints. Problems are: Problem set: 0 solved, 90 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/95 variables, 1/30 constraints. Problems are: Problem set: 0 solved, 90 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/95 variables, 1/31 constraints. Problems are: Problem set: 0 solved, 90 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/95 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 90 unsolved
At refinement iteration 11 (OVERLAPS) 91/186 variables, 95/126 constraints. Problems are: Problem set: 0 solved, 90 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/186 variables, 90/216 constraints. Problems are: Problem set: 0 solved, 90 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/186 variables, 6/222 constraints. Problems are: Problem set: 0 solved, 90 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/186 variables, 0/222 constraints. Problems are: Problem set: 0 solved, 90 unsolved
At refinement iteration 15 (OVERLAPS) 0/186 variables, 1/223 constraints. Problems are: Problem set: 0 solved, 90 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/186 variables, 0/223 constraints. Problems are: Problem set: 0 solved, 90 unsolved
At refinement iteration 17 (OVERLAPS) 0/186 variables, 0/223 constraints. Problems are: Problem set: 0 solved, 90 unsolved
No progress, stopping.
After SMT solving in domain Int declared 186/186 variables, and 223 constraints, problems are : Problem set: 0 solved, 90 unsolved in 16335 ms.
Refiners :[Positive P Invariants (semi-flows): 9/9 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 95/95 constraints, PredecessorRefiner: 90/90 constraints, Known Traps: 21/21 constraints, Known Traps Along Path: 7/7 constraints]
After SMT, in 22526ms problems are : Problem set: 0 solved, 90 unsolved
Search for dead transitions found 0 dead transitions in 22527ms
Starting structural reductions in LTL mode, iteration 1 : 95/102 places, 91/98 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 22659 ms. Remains : 95/102 places, 91/98 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)&&X(X((p1||X(p2)))))))'
Stuttering acceptance computed with spot in 385 ms :[(OR (NOT p0) (AND (NOT p1) (NOT p2))), (OR (NOT p0) (AND (NOT p1) (NOT p2))), (NOT p0), (AND (NOT p1) (NOT p2)), (AND (NOT p1) (NOT p2)), (NOT p2), true]
Running random walk in product with property : AutoFlight-PT-01b-LTLFireability-15
Product exploration explored 100000 steps with 25000 reset in 143 ms.
Product exploration explored 100000 steps with 25000 reset in 84 ms.
Computed a total of 26 stabilizing places and 26 stable transitions
Computed a total of 26 stabilizing places and 26 stable transitions
Detected a total of 26/95 stabilizing places and 26/91 transitions leading to convergence knowledge of the form 'F(Gp|G!p)' for 2/3 atomic propositions.
Knowledge based reduction with 5 factoid took 122 ms. Reduced automaton from 7 states, 8 edges and 3 AP (stutter sensitive) to 6 states, 6 edges and 2 AP (stutter sensitive).
RANDOM walk for 7429 steps (110 resets) in 40 ms. (181 steps per ms) remains 0/2 properties
Knowledge based reduction with 5 factoid took 150 ms. Reduced automaton from 6 states, 6 edges and 2 AP (stutter sensitive) to 6 states, 6 edges and 2 AP (stutter sensitive).
Stuttering acceptance computed with spot in 315 ms :[(NOT p2), (AND (NOT p2) (NOT p1)), (AND (NOT p2) (NOT p1)), (AND (NOT p2) (NOT p1)), (AND (NOT p2) (NOT p1)), true]
Knowledge-based reduction took 604 ms.
Stuttering acceptance computed with spot in 321 ms :[(NOT p2), (AND (NOT p2) (NOT p1)), (AND (NOT p2) (NOT p1)), (AND (NOT p2) (NOT p1)), (AND (NOT p2) (NOT p1)), true]
Support contains 2 out of 95 places. Attempting structural reductions.
Property had overlarge support with respect to TGBA, discarding it for now.
Starting structural reductions in LTL mode, iteration 0 : 95/95 places, 91/91 transitions.
Applied a total of 0 rules in 2 ms. Remains 95 /95 variables (removed 0) and now considering 91/91 (removed 0) transitions.
[2026-05-22 22:57:39] [INFO ] Invariant cache hit.
[2026-05-22 22:57:39] [INFO ] Implicit Places using invariants in 77 ms returned []
[2026-05-22 22:57:39] [INFO ] Invariant cache hit.
[2026-05-22 22:57:39] [INFO ] Implicit Places using invariants and state equation in 138 ms returned []
Implicit Place search using SMT with State Equation took 217 ms to find 0 implicit places.
Skipped dead transition search.
Finished structural reductions in LTL mode , in 1 iterations and 219 ms. Remains : 95/95 places, 91/91 transitions.
Computed a total of 26 stabilizing places and 26 stable transitions
Computed a total of 26 stabilizing places and 26 stable transitions
Detected a total of 26/95 stabilizing places and 26/91 transitions leading to convergence knowledge of the form 'F(Gp|G!p)' for 1/2 atomic propositions.
Knowledge based reduction with 2 factoid took 97 ms. Reduced automaton from 6 states, 6 edges and 2 AP (stutter sensitive) to 6 states, 6 edges and 2 AP (stutter sensitive).
RANDOM walk for 32412 steps (485 resets) in 136 ms. (236 steps per ms) remains 0/2 properties
Knowledge based reduction with 2 factoid took 130 ms. Reduced automaton from 6 states, 6 edges and 2 AP (stutter sensitive) to 6 states, 6 edges and 2 AP (stutter sensitive).
Stuttering acceptance computed with spot in 318 ms :[(NOT p2), (AND (NOT p2) (NOT p1)), (AND (NOT p2) (NOT p1)), (AND (NOT p2) (NOT p1)), (AND (NOT p2) (NOT p1)), true]
Knowledge-based reduction took 586 ms.
Stuttering acceptance computed with spot in 321 ms :[(NOT p2), (AND (NOT p2) (NOT p1)), (AND (NOT p2) (NOT p1)), (AND (NOT p2) (NOT p1)), (AND (NOT p2) (NOT p1)), true]
Stuttering acceptance computed with spot in 320 ms :[(NOT p2), (AND (NOT p2) (NOT p1)), (AND (NOT p2) (NOT p1)), (AND (NOT p2) (NOT p1)), (AND (NOT p2) (NOT p1)), true]
Product exploration explored 100000 steps with 25000 reset in 147 ms.
Product exploration explored 100000 steps with 25000 reset in 111 ms.
Spot run failed in 83 ms. Status :1
Traceback (most recent call last):
File "/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/autstates.py", line 2, in
import spot
ModuleNotFoundError: No module named 'spot'
java.io.IOException
at fr.lip6.move.gal.application.runner.spot.SpotRunner.computeForwardClosedSI(SpotRunner.java:551)
at fr.lip6.move.gal.application.solver.ltl.LTLPropertySolver.treatPartialPOR(LTLPropertySolver.java:419)
at fr.lip6.move.gal.application.solver.ltl.LTLPropertySolver.checkLTLProperty(LTLPropertySolver.java:280)
at fr.lip6.move.gal.application.solver.ltl.LTLPropertySolver.runStutteringLTLTest(LTLPropertySolver.java:217)
at fr.lip6.move.gal.application.solver.ltl.LTLPropertySolver.runStructuralLTLCheck(LTLPropertySolver.java:66)
at fr.lip6.move.gal.application.Application.startNoEx(Application.java:849)
at fr.lip6.move.gal.application.Application.start(Application.java:195)
at fr.lip6.move.gal.itscl.application.Application.start(Application.java:44)
at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:219)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:149)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:115)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:467)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:298)
at java.base/jdk.internal.reflect.DirectMethodHandleAccessor.invoke(DirectMethodHandleAccessor.java:103)
at java.base/java.lang.reflect.Method.invoke(Method.java:580)
at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:615)
at org.eclipse.equinox.launcher.Main.basicRun(Main.java:563)
at org.eclipse.equinox.launcher.Main.run(Main.java:1415)
at org.eclipse.equinox.launcher.Main.main(Main.java:1387)
Built C files in :
/tmp/ltsmin5510582264231447459
[2026-05-22 22:57:41] [INFO ] Built C files in 5ms conformant to PINS (ltsmin variant)in folder :/tmp/ltsmin5510582264231447459
Running compilation step : cd /tmp/ltsmin5510582264231447459;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202604301425/bin/limit_time.pl' '3' 'gcc' '-c' '-I/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202604301425/bin/include/' '-I.' '-std=c99' '-fPIC' '-O0' 'model.c'
Compilation finished in 231 ms.
Running link step : cd /tmp/ltsmin5510582264231447459;'gcc' '-shared' '-o' 'gal.so' 'model.o'
Link finished in 67 ms.
Running LTSmin : cd /tmp/ltsmin5510582264231447459;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202604301425/bin/pins2lts-seq-linux64' './gal.so' '--when' '--hoa' '/tmp/stateBased11587496702084020526.hoa' '--buchi-type=spotba'
LTSmin run took 33 ms.
FORMULA AutoFlight-PT-01b-LTLFireability-15 TRUE TECHNIQUES EXPLICIT LTSMIN SAT_SMT
Treatment of property AutoFlight-PT-01b-LTLFireability-15 finished in 26435 ms.
All properties solved by simple procedures.
Total runtime 167461 ms.

BK_STOP 1779490661982

--------------------
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="AutoFlight-PT-01b"
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 AutoFlight-PT-01b, 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-oct2-177944366300452"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/AutoFlight-PT-01b.tgz
mv AutoFlight-PT-01b 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 ;