Execution Chart

We display below the execution chart for this examination (boot time has been removed).

Trace from the execution

Formatting '/data/fkordon/mcc2026-input.r050-smll-177946901100220.qcow2', fmt=qcow2 size=4294967296 backing_file=/data/fkordon/mcc2026-input.qcow2 backing_fmt=qcow2 cluster_size=65536 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 CircularTrains-PT-012, examination is LTLFireability
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r050-smll-177946901100220
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 516K
-rw-r--r-- 1 mcc users 7.6K Mar 5 14:29 CTLCardinality.txt
-rw-r--r-- 1 mcc users 80K Mar 5 14:29 CTLCardinality.xml
-rw-r--r-- 1 mcc users 5.7K Mar 5 14:29 CTLFireability.txt
-rw-r--r-- 1 mcc users 45K Mar 5 14:29 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K Mar 3 18:30 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 6.4K Mar 3 18:30 GenericPropertiesVerdict.xml
-rw-r--r-- 1 mcc users 4.0K Mar 15 08:05 LTLCardinality.txt
-rw-r--r-- 1 mcc users 29K Mar 15 08:05 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.4K Mar 15 08:05 LTLFireability.txt
-rw-r--r-- 1 mcc users 18K Mar 15 08:05 LTLFireability.xml
-rw-r--r-- 1 mcc users 12K Mar 5 14:29 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 118K Mar 5 14:29 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 14K Mar 5 14:29 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 115K Mar 5 14:29 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.7K Mar 15 08:05 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.8K Mar 15 08:05 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 9.2K 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 CircularTrains-PT-012-LTLFireability-00
FORMULA_NAME CircularTrains-PT-012-LTLFireability-01
FORMULA_NAME CircularTrains-PT-012-LTLFireability-02
FORMULA_NAME CircularTrains-PT-012-LTLFireability-03
FORMULA_NAME CircularTrains-PT-012-LTLFireability-04
FORMULA_NAME CircularTrains-PT-012-LTLFireability-05
FORMULA_NAME CircularTrains-PT-012-LTLFireability-06
FORMULA_NAME CircularTrains-PT-012-LTLFireability-07
FORMULA_NAME CircularTrains-PT-012-LTLFireability-08
FORMULA_NAME CircularTrains-PT-012-LTLFireability-09
FORMULA_NAME CircularTrains-PT-012-LTLFireability-10
FORMULA_NAME CircularTrains-PT-012-LTLFireability-11
FORMULA_NAME CircularTrains-PT-012-LTLFireability-12
FORMULA_NAME CircularTrains-PT-012-LTLFireability-13
FORMULA_NAME CircularTrains-PT-012-LTLFireability-14
FORMULA_NAME CircularTrains-PT-012-LTLFireability-15

=== Now, execution of the tool begins

BK_START 1779568585016

Invoking MCC driver with
BK_TOOL=itstools
BK_EXAMINATION=LTLFireability
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=CircularTrains-PT-012
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
LTLFireability PT
Running Version 202604301425
[2026-05-23 20:36:27] [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]
[2026-05-23 20:36:27] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-05-23 20:36:27] [INFO ] Load time of PNML (sax parser for PT used): 53 ms
[2026-05-23 20:36:27] [INFO ] Transformed 24 places.
[2026-05-23 20:36:27] [INFO ] Transformed 12 transitions.
[2026-05-23 20:36:27] [INFO ] Parsed PT model containing 24 places and 12 transitions and 48 arcs in 241 ms.
Parsed 16 properties from file /home/mcc/execution/LTLFireability.xml in 17 ms.
Working with output stream class java.io.PrintStream
Initial state reduction rules removed 2 formulas.
FORMULA CircularTrains-PT-012-LTLFireability-09 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA CircularTrains-PT-012-LTLFireability-12 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Support contains 24 out of 24 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 24/24 places, 12/12 transitions.
Applied a total of 0 rules in 33 ms. Remains 24 /24 variables (removed 0) and now considering 12/12 (removed 0) transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-11743440714964651461.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-415127127034867254.kers'
[2026-05-23 20:36:27] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-11743440714964651461.kers, --Pflows, --basisKERS=/tmp/petrispot-output-415127127034867254.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 12 rows 24 cols 48 entries
Finished phase 1 with 0 SingleSign rule and 11 generalized
[2026-05-23 20:36:27] [INFO ] Computed 13 invariants in 0 ms
Computed 13 P flows in 1 ms.
Exported basis to /tmp/petrispot-output-415127127034867254.kers
Total runtime 1 ms.
[2026-05-23 20:36:28] [INFO ] Implicit Places using invariants in 275 ms returned []
[2026-05-23 20:36:28] [INFO ] Invariant cache hit.
[2026-05-23 20:36:28] [INFO ] Implicit Places using invariants and state equation in 82 ms returned []
Implicit Place search using SMT with State Equation took 430 ms to find 0 implicit places.
Running 8 sub problems to find dead transitions.
[2026-05-23 20:36:28] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/16 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/16 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 2 (OVERLAPS) 4/20 variables, 5/6 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/20 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 4 (OVERLAPS) 4/24 variables, 7/13 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/24 variables, 0/13 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 6 (OVERLAPS) 12/36 variables, 24/37 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/36 variables, 0/37 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 8 (OVERLAPS) 0/36 variables, 0/37 constraints. Problems are: Problem set: 0 solved, 8 unsolved
No progress, stopping.
After SMT solving in domain Real declared 36/36 variables, and 37 constraints, problems are : Problem set: 0 solved, 8 unsolved in 425 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, Generalized P Invariants (flows): 8/8 constraints, State Equation: 24/24 constraints, PredecessorRefiner: 8/8 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 8 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/16 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/16 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 2 (OVERLAPS) 4/20 variables, 5/6 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/20 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 4 (OVERLAPS) 4/24 variables, 7/13 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/24 variables, 0/13 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 6 (OVERLAPS) 12/36 variables, 24/37 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/36 variables, 8/45 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/36 variables, 0/45 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 9 (OVERLAPS) 0/36 variables, 0/45 constraints. Problems are: Problem set: 0 solved, 8 unsolved
No progress, stopping.
After SMT solving in domain Int declared 36/36 variables, and 45 constraints, problems are : Problem set: 0 solved, 8 unsolved in 346 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, Generalized P Invariants (flows): 8/8 constraints, State Equation: 24/24 constraints, PredecessorRefiner: 8/8 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 810ms problems are : Problem set: 0 solved, 8 unsolved
Search for dead transitions found 0 dead transitions in 832ms
Finished structural reductions in LTL mode , in 1 iterations and 1386 ms. Remains : 24/24 places, 12/12 transitions.
Starting structural reductions in LTL mode, iteration 0 : 24/24 places, 12/12 transitions.
Applied a total of 0 rules in 3 ms. Remains 24 /24 variables (removed 0) and now considering 12/12 (removed 0) transitions.
[2026-05-23 20:36:29] [INFO ] Invariant cache hit.
[2026-05-23 20:36:29] [INFO ] Implicit Places using invariants in 32 ms returned []
[2026-05-23 20:36:29] [INFO ] Invariant cache hit.
[2026-05-23 20:36:29] [INFO ] Implicit Places using invariants and state equation in 62 ms returned []
Implicit Place search using SMT with State Equation took 98 ms to find 0 implicit places.
Skipped dead transition search.
Finished structural reductions in LTL mode , in 1 iterations and 102 ms. Remains : 24/24 places, 12/12 transitions.
Support contains 24 out of 24 places after structural reductions.
[2026-05-23 20:36:29] [INFO ] Flatten gal took : 26 ms
[2026-05-23 20:36:29] [INFO ] Flatten gal took : 7 ms
[2026-05-23 20:36:29] [INFO ] Input system was already deterministic with 12 transitions.
Reduction of identical properties reduced properties to check from 20 to 17
RANDOM walk for 40000 steps (8 resets) in 1100 ms. (36 steps per ms) remains 1/17 properties
BEST_FIRST walk for 40001 steps (8 resets) in 369 ms. (108 steps per ms) remains 1/1 properties
[2026-05-23 20:36:30] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/4 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Problem AtomicPropp16 is UNSAT
After SMT solving in domain Real declared 5/36 variables, and 1 constraints, problems are : Problem set: 1 solved, 0 unsolved in 40 ms.
Refiners :[Positive P Invariants (semi-flows): 1/5 constraints, Generalized P Invariants (flows): 0/8 constraints, State Equation: 0/24 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 44ms problems are : Problem set: 1 solved, 0 unsolved
Skipping Parikh replay, no witness traces provided.
FORMULA CircularTrains-PT-012-LTLFireability-06 FALSE TECHNIQUES REACHABILITY_KNOWLEDGE
Successfully simplified 1 atomic propositions for a total of 13 simplifications.
Computed a total of 0 stabilizing places and 0 stable transitions
FORMULA CircularTrains-PT-012-LTLFireability-13 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(G(F(p0)))'
Support contains 2 out of 24 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 24/24 places, 12/12 transitions.
Applied a total of 0 rules in 7 ms. Remains 24 /24 variables (removed 0) and now considering 12/12 (removed 0) transitions.
[2026-05-23 20:36:30] [INFO ] Invariant cache hit.
[2026-05-23 20:36:30] [INFO ] Implicit Places using invariants in 125 ms returned [5, 15, 20, 21]
Discarding 4 places :
Implicit Place search using SMT only with invariants took 134 ms to find 4 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 20/24 places, 12/12 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 3 transitions
Trivial Post-agglo rules discarded 3 transitions
Performed 3 trivial Post agglomeration. Transition count delta: 3
Iterating post reduction 0 with 3 rules applied. Total rules applied 3 place count 20 transition count 9
Reduce places removed 3 places and 0 transitions.
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Iterating post reduction 1 with 4 rules applied. Total rules applied 7 place count 17 transition count 8
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 2 with 1 rules applied. Total rules applied 8 place count 16 transition count 8
Applied a total of 8 rules in 47 ms. Remains 16 /20 variables (removed 4) and now considering 8/12 (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-15293921484287368473.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-13589382476552101993.kers'
[2026-05-23 20:36:30] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-15293921484287368473.kers, --Pflows, --basisKERS=/tmp/petrispot-output-13589382476552101993.kers]
Culling duplicate invariants (modulo rational): removing 8 columns.
Culled 8 columns in 0 ms.
// Phase 1: matrix 8 rows 8 cols 16 entries
Finished phase 1 with 5 SingleSign rule and 2 generalized
[2026-05-23 20:36:30] [INFO ] Computed 9 invariants in 0 ms
Computed 9 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-13589382476552101993.kers
Total runtime 0 ms.
[2026-05-23 20:36:31] [INFO ] Implicit Places using invariants in 88 ms returned []
[2026-05-23 20:36:31] [INFO ] Invariant cache hit.
[2026-05-23 20:36:31] [INFO ] Implicit Places using invariants and state equation in 85 ms returned []
Implicit Place search using SMT with State Equation took 186 ms to find 0 implicit places.
Starting structural reductions in SI_LTL mode, iteration 2 : 16/24 places, 8/12 transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 374 ms. Remains : 16/24 places, 8/12 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 331 ms :[(NOT p0), (NOT p0)]
Running random walk in product with property : CircularTrains-PT-012-LTLFireability-00
Product exploration explored 100000 steps with 15333 reset in 623 ms.
Product exploration explored 100000 steps with 15191 reset in 236 ms.
Computed a total of 0 stabilizing places and 0 stable transitions
Computed a total of 0 stabilizing places and 0 stable transitions
Knowledge based reduction with 1 factoid took 101 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 16 steps (0 resets) in 6 ms. (2 steps per ms) remains 0/1 properties
Knowledge based reduction with 1 factoid took 206 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 108 ms :[(NOT p0), (NOT p0)]
[2026-05-23 20:36:32] [INFO ] Invariant cache hit.
[2026-05-23 20:36:32] [INFO ] [Real]Absence check using 8 positive place invariants in 3 ms returned sat
[2026-05-23 20:36:32] [INFO ] [Real]Absence check using 8 positive and 1 generalized place invariants in 15 ms returned sat
[2026-05-23 20:36:32] [INFO ] [Real]Absence check using state equation in 12 ms returned sat
[2026-05-23 20:36:32] [INFO ] Computed and/alt/rep : 4/8/4 causal constraints (skipped 0 transitions) in 3 ms.
[2026-05-23 20:36:32] [INFO ] Added : 2 causal constraints over 1 iterations in 24 ms. Result :sat
Could not prove EG (NOT p0)
Knowledge-based reduction took 576 ms.
Stuttering acceptance computed with spot in 128 ms :[(NOT p0), (NOT p0)]
Support contains 2 out of 16 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 16/16 places, 8/8 transitions.
Applied a total of 0 rules in 2 ms. Remains 16 /16 variables (removed 0) and now considering 8/8 (removed 0) transitions.
[2026-05-23 20:36:33] [INFO ] Invariant cache hit.
[2026-05-23 20:36:33] [INFO ] Implicit Places using invariants in 66 ms returned []
[2026-05-23 20:36:33] [INFO ] Invariant cache hit.
[2026-05-23 20:36:33] [INFO ] Implicit Places using invariants and state equation in 105 ms returned []
Implicit Place search using SMT with State Equation took 176 ms to find 0 implicit places.
[2026-05-23 20:36:33] [INFO ] Redundant transitions in 0 ms returned []
Running 4 sub problems to find dead transitions.
[2026-05-23 20:36:33] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/8 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 1 (OVERLAPS) 8/16 variables, 8/8 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/16 variables, 1/9 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/16 variables, 0/9 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 4 (OVERLAPS) 8/24 variables, 16/25 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/24 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 6 (OVERLAPS) 0/24 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 4 unsolved
No progress, stopping.
After SMT solving in domain Real declared 24/24 variables, and 25 constraints, problems are : Problem set: 0 solved, 4 unsolved in 187 ms.
Refiners :[Positive P Invariants (semi-flows): 8/8 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 16/16 constraints, PredecessorRefiner: 4/4 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 4 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/8 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 1 (OVERLAPS) 8/16 variables, 8/8 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/16 variables, 1/9 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/16 variables, 0/9 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 4 (OVERLAPS) 8/24 variables, 16/25 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/24 variables, 4/29 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/24 variables, 0/29 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 7 (OVERLAPS) 0/24 variables, 0/29 constraints. Problems are: Problem set: 0 solved, 4 unsolved
No progress, stopping.
After SMT solving in domain Int declared 24/24 variables, and 29 constraints, problems are : Problem set: 0 solved, 4 unsolved in 181 ms.
Refiners :[Positive P Invariants (semi-flows): 8/8 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 16/16 constraints, PredecessorRefiner: 4/4 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 377ms problems are : Problem set: 0 solved, 4 unsolved
Search for dead transitions found 0 dead transitions in 377ms
Finished structural reductions in SI_LTL mode , in 1 iterations and 568 ms. Remains : 16/16 places, 8/8 transitions.
Computed a total of 0 stabilizing places and 0 stable transitions
Computed a total of 0 stabilizing places and 0 stable transitions
Knowledge based reduction with 1 factoid took 158 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 14 steps (0 resets) in 4 ms. (2 steps per ms) remains 0/1 properties
Knowledge based reduction with 1 factoid took 130 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 99 ms :[(NOT p0), (NOT p0)]
[2026-05-23 20:36:34] [INFO ] Invariant cache hit.
[2026-05-23 20:36:34] [INFO ] [Real]Absence check using 8 positive place invariants in 3 ms returned sat
[2026-05-23 20:36:34] [INFO ] [Real]Absence check using 8 positive and 1 generalized place invariants in 1 ms returned sat
[2026-05-23 20:36:34] [INFO ] [Real]Absence check using state equation in 8 ms returned sat
[2026-05-23 20:36:34] [INFO ] Computed and/alt/rep : 4/8/4 causal constraints (skipped 0 transitions) in 1 ms.
[2026-05-23 20:36:34] [INFO ] Added : 2 causal constraints over 1 iterations in 13 ms. Result :sat
Could not prove EG (NOT p0)
Knowledge-based reduction took 456 ms.
Stuttering acceptance computed with spot in 78 ms :[(NOT p0), (NOT p0)]
Stuttering acceptance computed with spot in 100 ms :[(NOT p0), (NOT p0)]
Product exploration explored 100000 steps with 15249 reset in 203 ms.
Product exploration explored 100000 steps with 15221 reset in 230 ms.
Built C files in :
/tmp/ltsmin17821709959269109199
[2026-05-23 20:36:34] [INFO ] Computing symmetric may disable matrix : 8 transitions.
[2026-05-23 20:36:34] [INFO ] Computation of Complete disable matrix. took 1 ms. Total solver calls (SAT/UNSAT): 0(0/0)
[2026-05-23 20:36:34] [INFO ] Computing symmetric may enable matrix : 8 transitions.
[2026-05-23 20:36:34] [INFO ] Computation of Complete enable matrix. took 0 ms. Total solver calls (SAT/UNSAT): 0(0/0)
[2026-05-23 20:36:35] [INFO ] Computing Do-Not-Accords matrix : 8 transitions.
[2026-05-23 20:36:35] [INFO ] Computation of Completed DNA matrix. took 0 ms. Total solver calls (SAT/UNSAT): 0(0/0)
[2026-05-23 20:36:35] [INFO ] Built C files in 216ms conformant to PINS (ltsmin variant)in folder :/tmp/ltsmin17821709959269109199
Running compilation step : cd /tmp/ltsmin17821709959269109199;'/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 364 ms.
Running link step : cd /tmp/ltsmin17821709959269109199;'gcc' '-shared' '-o' 'gal.so' 'model.o'
Link finished in 55 ms.
Running LTSmin : cd /tmp/ltsmin17821709959269109199;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202604301425/bin/pins2lts-seq-linux64' './gal.so' '-p' '--pins-guards' '--when' '--hoa' '/tmp/stateBased6851727045524304391.hoa' '--buchi-type=spotba'
LTSmin run took 57 ms.
FORMULA CircularTrains-PT-012-LTLFireability-00 TRUE TECHNIQUES PARTIAL_ORDER EXPLICIT LTSMIN SAT_SMT
Treatment of property CircularTrains-PT-012-LTLFireability-00 finished in 4811 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X((G(p0)&&F(p1))))'
Support contains 6 out of 24 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 24/24 places, 12/12 transitions.
Applied a total of 0 rules in 1 ms. Remains 24 /24 variables (removed 0) and now considering 12/12 (removed 0) transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-5945938777306082192.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-6912805219419496176.kers'
[2026-05-23 20:36:35] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-5945938777306082192.kers, --Pflows, --basisKERS=/tmp/petrispot-output-6912805219419496176.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 12 rows 24 cols 48 entries
Finished phase 1 with 0 SingleSign rule and 11 generalized
[2026-05-23 20:36:35] [INFO ] Computed 13 invariants in 0 ms
Computed 13 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-6912805219419496176.kers
Total runtime 0 ms.
[2026-05-23 20:36:35] [INFO ] Implicit Places using invariants in 78 ms returned [20, 21]
Discarding 2 places :
Implicit Place search using SMT only with invariants took 80 ms to find 2 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 22/24 places, 12/12 transitions.
Applied a total of 0 rules in 0 ms. Remains 22 /22 variables (removed 0) and now considering 12/12 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 81 ms. Remains : 22/24 places, 12/12 transitions.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X((G(p0)&&F(p1))))'
Stuttering acceptance computed with spot in 150 ms :[(NOT p0), (OR (NOT p1) (NOT p0)), true, (OR (NOT p0) (NOT p1))]
Running random walk in product with property : CircularTrains-PT-012-LTLFireability-01
Entered a terminal (fully accepting) state of product in 4 steps with 0 reset in 1 ms.
FORMULA CircularTrains-PT-012-LTLFireability-01 FALSE TECHNIQUES STUTTER_TEST
Treatment of property CircularTrains-PT-012-LTLFireability-01 finished in 261 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))&&(G((G(p2)||p1)) U p3)))'
Support contains 6 out of 24 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 24/24 places, 12/12 transitions.
Applied a total of 0 rules in 1 ms. Remains 24 /24 variables (removed 0) and now considering 12/12 (removed 0) transitions.
[2026-05-23 20:36:35] [INFO ] Invariant cache hit.
[2026-05-23 20:36:35] [INFO ] Implicit Places using invariants in 46 ms returned [5, 21]
Discarding 2 places :
Implicit Place search using SMT only with invariants took 47 ms to find 2 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 22/24 places, 12/12 transitions.
Applied a total of 0 rules in 0 ms. Remains 22 /22 variables (removed 0) and now considering 12/12 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 49 ms. Remains : 22/24 places, 12/12 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))&&(G((G(p2)||p1)) U p3)))'
Stuttering acceptance computed with spot in 230 ms :[(OR (NOT p3) (NOT p0)), true, (NOT p0), (NOT p2), (AND (NOT p2) (NOT p1)), (NOT p3)]
Running random walk in product with property : CircularTrains-PT-012-LTLFireability-02
Entered a terminal (fully accepting) state of product in 6 steps with 0 reset in 0 ms.
FORMULA CircularTrains-PT-012-LTLFireability-02 FALSE TECHNIQUES STUTTER_TEST
Treatment of property CircularTrains-PT-012-LTLFireability-02 finished in 317 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((X(X(X(p0)))||G(p1)))))'
Support contains 6 out of 24 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 24/24 places, 12/12 transitions.
Applied a total of 0 rules in 1 ms. Remains 24 /24 variables (removed 0) and now considering 12/12 (removed 0) transitions.
[2026-05-23 20:36:36] [INFO ] Invariant cache hit.
[2026-05-23 20:36:36] [INFO ] Implicit Places using invariants in 40 ms returned [5, 15, 20, 21]
Discarding 4 places :
Implicit Place search using SMT only with invariants took 41 ms to find 4 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 20/24 places, 12/12 transitions.
Applied a total of 0 rules in 0 ms. Remains 20 /20 variables (removed 0) and now considering 12/12 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 42 ms. Remains : 20/24 places, 12/12 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((X(X(X(p0)))||G(p1)))))'
Stuttering acceptance computed with spot in 414 ms :[(NOT p0), (AND (NOT p0) (NOT p1)), (AND (NOT p1) (NOT p0)), (NOT p0), (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1)), true, (NOT p0), (AND (NOT p0) (NOT p1)), (NOT p1)]
Running random walk in product with property : CircularTrains-PT-012-LTLFireability-03
Entered a terminal (fully accepting) state of product in 29 steps with 3 reset in 0 ms.
FORMULA CircularTrains-PT-012-LTLFireability-03 FALSE TECHNIQUES STUTTER_TEST
Treatment of property CircularTrains-PT-012-LTLFireability-03 finished in 487 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(G((X(X(X(F(p0))))||(F(p2)&&p1)))))'
Support contains 6 out of 24 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 24/24 places, 12/12 transitions.
Applied a total of 0 rules in 1 ms. Remains 24 /24 variables (removed 0) and now considering 12/12 (removed 0) transitions.
[2026-05-23 20:36:36] [INFO ] Invariant cache hit.
[2026-05-23 20:36:36] [INFO ] Implicit Places using invariants in 59 ms returned [20, 21]
Discarding 2 places :
Implicit Place search using SMT only with invariants took 60 ms to find 2 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 22/24 places, 12/12 transitions.
Applied a total of 0 rules in 1 ms. Remains 22 /22 variables (removed 0) and now considering 12/12 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 62 ms. Remains : 22/24 places, 12/12 transitions.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(G((X(X(X(F(p0))))||(F(p2)&&p1)))))'
Stuttering acceptance computed with spot in 344 ms :[(OR (AND (NOT p0) (NOT p1)) (AND (NOT p0) (NOT p2))), (OR (AND (NOT p0) (NOT p1)) (AND (NOT p0) (NOT p2))), (NOT p0), (AND (NOT p2) (NOT p0)), (NOT p0), (NOT p0), (AND (NOT p2) (NOT p0)), (AND (NOT p2) (NOT p0))]
Running random walk in product with property : CircularTrains-PT-012-LTLFireability-04
Product exploration explored 100000 steps with 14647 reset in 285 ms.
Product exploration explored 100000 steps with 14642 reset in 326 ms.
Computed a total of 0 stabilizing places and 0 stable transitions
Computed a total of 0 stabilizing places and 0 stable transitions
Knowledge based reduction with 3 factoid took 239 ms. Reduced automaton from 8 states, 10 edges and 3 AP (stutter sensitive) to 8 states, 10 edges and 3 AP (stutter sensitive).
RANDOM walk for 36 steps (0 resets) in 5 ms. (6 steps per ms) remains 0/5 properties
Knowledge based reduction with 3 factoid took 290 ms. Reduced automaton from 8 states, 10 edges and 3 AP (stutter sensitive) to 8 states, 10 edges and 3 AP (stutter sensitive).
Stuttering acceptance computed with spot in 386 ms :[(OR (AND (NOT p0) (NOT p1)) (AND (NOT p0) (NOT p2))), (OR (AND (NOT p0) (NOT p1)) (AND (NOT p0) (NOT p2))), (NOT p0), (AND (NOT p2) (NOT p0)), (NOT p0), (NOT p0), (AND (NOT p2) (NOT p0)), (AND (NOT p2) (NOT p0))]
Knowledge-based reduction took 921 ms.
Stuttering acceptance computed with spot in 390 ms :[(OR (AND (NOT p0) (NOT p1)) (AND (NOT p0) (NOT p2))), (OR (AND (NOT p0) (NOT p1)) (AND (NOT p0) (NOT p2))), (NOT p0), (AND (NOT p2) (NOT p0)), (NOT p0), (NOT p0), (AND (NOT p2) (NOT p0)), (AND (NOT p2) (NOT p0))]
Support contains 6 out of 22 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 22/22 places, 12/12 transitions.
Applied a total of 0 rules in 1 ms. Remains 22 /22 variables (removed 0) and now considering 12/12 (removed 0) transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-1666111795053594358.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-16328923897507214264.kers'
[2026-05-23 20:36:38] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-1666111795053594358.kers, --Pflows, --basisKERS=/tmp/petrispot-output-16328923897507214264.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 12 rows 22 cols 44 entries
Finished phase 1 with 4 SingleSign rule and 7 generalized
[2026-05-23 20:36:38] [INFO ] Computed 11 invariants in 0 ms
Computed 11 P flows in 3 ms.
Exported basis to /tmp/petrispot-output-16328923897507214264.kers
Total runtime 4 ms.
[2026-05-23 20:36:39] [INFO ] Implicit Places using invariants in 50 ms returned []
[2026-05-23 20:36:39] [INFO ] Invariant cache hit.
[2026-05-23 20:36:39] [INFO ] Implicit Places using invariants and state equation in 89 ms returned []
Implicit Place search using SMT with State Equation took 143 ms to find 0 implicit places.
Running 8 sub problems to find dead transitions.
[2026-05-23 20:36:39] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/14 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/14 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 2 (OVERLAPS) 7/21 variables, 7/8 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/21 variables, 2/10 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/21 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 5 (OVERLAPS) 1/22 variables, 1/11 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/22 variables, 0/11 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 7 (OVERLAPS) 12/34 variables, 22/33 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/34 variables, 0/33 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 9 (OVERLAPS) 0/34 variables, 0/33 constraints. Problems are: Problem set: 0 solved, 8 unsolved
No progress, stopping.
After SMT solving in domain Real declared 34/34 variables, and 33 constraints, problems are : Problem set: 0 solved, 8 unsolved in 267 ms.
Refiners :[Positive P Invariants (semi-flows): 7/7 constraints, Generalized P Invariants (flows): 4/4 constraints, State Equation: 22/22 constraints, PredecessorRefiner: 8/8 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 8 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/14 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/14 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 2 (OVERLAPS) 7/21 variables, 7/8 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/21 variables, 2/10 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/21 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 5 (OVERLAPS) 1/22 variables, 1/11 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/22 variables, 0/11 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 7 (OVERLAPS) 12/34 variables, 22/33 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/34 variables, 8/41 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/34 variables, 0/41 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 10 (OVERLAPS) 0/34 variables, 0/41 constraints. Problems are: Problem set: 0 solved, 8 unsolved
No progress, stopping.
After SMT solving in domain Int declared 34/34 variables, and 41 constraints, problems are : Problem set: 0 solved, 8 unsolved in 873 ms.
Refiners :[Positive P Invariants (semi-flows): 7/7 constraints, Generalized P Invariants (flows): 4/4 constraints, State Equation: 22/22 constraints, PredecessorRefiner: 8/8 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 1159ms problems are : Problem set: 0 solved, 8 unsolved
Search for dead transitions found 0 dead transitions in 1159ms
Finished structural reductions in LTL mode , in 1 iterations and 1303 ms. Remains : 22/22 places, 12/12 transitions.
Computed a total of 0 stabilizing places and 0 stable transitions
Computed a total of 0 stabilizing places and 0 stable transitions
Knowledge based reduction with 3 factoid took 230 ms. Reduced automaton from 8 states, 10 edges and 3 AP (stutter sensitive) to 8 states, 10 edges and 3 AP (stutter sensitive).
RANDOM walk for 33 steps (0 resets) in 6 ms. (4 steps per ms) remains 0/5 properties
Knowledge based reduction with 3 factoid took 266 ms. Reduced automaton from 8 states, 10 edges and 3 AP (stutter sensitive) to 8 states, 10 edges and 3 AP (stutter sensitive).
Stuttering acceptance computed with spot in 369 ms :[(OR (AND (NOT p0) (NOT p1)) (AND (NOT p0) (NOT p2))), (OR (AND (NOT p0) (NOT p1)) (AND (NOT p0) (NOT p2))), (NOT p0), (AND (NOT p2) (NOT p0)), (NOT p0), (NOT p0), (AND (NOT p2) (NOT p0)), (AND (NOT p2) (NOT p0))]
Knowledge-based reduction took 870 ms.
Stuttering acceptance computed with spot in 338 ms :[(OR (AND (NOT p0) (NOT p1)) (AND (NOT p0) (NOT p2))), (OR (AND (NOT p0) (NOT p1)) (AND (NOT p0) (NOT p2))), (NOT p0), (AND (NOT p2) (NOT p0)), (NOT p0), (NOT p0), (AND (NOT p2) (NOT p0)), (AND (NOT p2) (NOT p0))]
Stuttering acceptance computed with spot in 346 ms :[(OR (AND (NOT p0) (NOT p1)) (AND (NOT p0) (NOT p2))), (OR (AND (NOT p0) (NOT p1)) (AND (NOT p0) (NOT p2))), (NOT p0), (AND (NOT p2) (NOT p0)), (NOT p0), (NOT p0), (AND (NOT p2) (NOT p0)), (AND (NOT p2) (NOT p0))]
Product exploration explored 100000 steps with 14698 reset in 112 ms.
Product exploration explored 100000 steps with 14691 reset in 118 ms.
Spot run failed in 107 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/ltsmin16892807435918327405
[2026-05-23 20:36:42] [INFO ] Built C files in 2ms conformant to PINS (ltsmin variant)in folder :/tmp/ltsmin16892807435918327405
Running compilation step : cd /tmp/ltsmin16892807435918327405;'/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 113 ms.
Running link step : cd /tmp/ltsmin16892807435918327405;'gcc' '-shared' '-o' 'gal.so' 'model.o'
Link finished in 34 ms.
Running LTSmin : cd /tmp/ltsmin16892807435918327405;'/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/stateBased9309993655808974542.hoa' '--buchi-type=spotba'
LTSmin run took 37 ms.
FORMULA CircularTrains-PT-012-LTLFireability-04 TRUE TECHNIQUES EXPLICIT LTSMIN SAT_SMT
Treatment of property CircularTrains-PT-012-LTLFireability-04 finished in 5835 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 24 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 24/24 places, 12/12 transitions.
Applied a total of 0 rules in 2 ms. Remains 24 /24 variables (removed 0) and now considering 12/12 (removed 0) transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-14207811451736733476.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-10347493896941388410.kers'
[2026-05-23 20:36:42] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-14207811451736733476.kers, --Pflows, --basisKERS=/tmp/petrispot-output-10347493896941388410.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 12 rows 24 cols 48 entries
Finished phase 1 with 0 SingleSign rule and 11 generalized
[2026-05-23 20:36:42] [INFO ] Computed 13 invariants in 0 ms
Computed 13 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-10347493896941388410.kers
Total runtime 0 ms.
[2026-05-23 20:36:42] [INFO ] Implicit Places using invariants in 66 ms returned [5, 15, 20, 21]
Discarding 4 places :
Implicit Place search using SMT only with invariants took 67 ms to find 4 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 20/24 places, 12/12 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 0 with 2 rules applied. Total rules applied 2 place count 20 transition count 10
Reduce places removed 2 places and 0 transitions.
Iterating post reduction 1 with 2 rules applied. Total rules applied 4 place count 18 transition count 10
Performed 2 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 2 Pre rules applied. Total rules applied 4 place count 18 transition count 8
Deduced a syphon composed of 2 places in 0 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 2 with 4 rules applied. Total rules applied 8 place count 16 transition count 8
Applied a total of 8 rules in 10 ms. Remains 16 /20 variables (removed 4) and now considering 8/12 (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-17388722922432393166.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-16297113864402004783.kers'
[2026-05-23 20:36:42] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-17388722922432393166.kers, --Pflows, --basisKERS=/tmp/petrispot-output-16297113864402004783.kers]
Culling duplicate invariants (modulo rational): removing 8 columns.
Culled 8 columns in 0 ms.
// Phase 1: matrix 8 rows 8 cols 16 entries
Finished phase 1 with 5 SingleSign rule and 2 generalized
[2026-05-23 20:36:42] [INFO ] Computed 9 invariants in 0 ms
Computed 9 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-16297113864402004783.kers
Total runtime 0 ms.
[2026-05-23 20:36:42] [INFO ] Implicit Places using invariants in 40 ms returned []
[2026-05-23 20:36:42] [INFO ] Invariant cache hit.
[2026-05-23 20:36:42] [INFO ] Implicit Places using invariants and state equation in 47 ms returned []
Implicit Place search using SMT with State Equation took 89 ms to find 0 implicit places.
Starting structural reductions in SI_LTL mode, iteration 2 : 16/24 places, 8/12 transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 168 ms. Remains : 16/24 places, 8/12 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 47 ms :[(NOT p0)]
Running random walk in product with property : CircularTrains-PT-012-LTLFireability-05
Product exploration explored 100000 steps with 0 reset in 152 ms.
Stack based approach found an accepted trace after 12 steps with 0 reset with depth 13 and stack size 13 in 0 ms.
FORMULA CircularTrains-PT-012-LTLFireability-05 FALSE TECHNIQUES STACK_TEST
Treatment of property CircularTrains-PT-012-LTLFireability-05 finished in 400 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(((!p0&&F((!p1&&X(X(G(p2)))))) U (G((G(!p0)||(!p0&&F((!p1&&X(X(G(p2))))))))||(!p3&&(G(!p0)||(!p0&&F((!p1&&X(X(G(p2)))))))))))'
Support contains 8 out of 24 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 24/24 places, 12/12 transitions.
Applied a total of 0 rules in 1 ms. Remains 24 /24 variables (removed 0) and now considering 12/12 (removed 0) transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-9422554462332971569.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-16934714108914728289.kers'
[2026-05-23 20:36:42] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-9422554462332971569.kers, --Pflows, --basisKERS=/tmp/petrispot-output-16934714108914728289.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 12 rows 24 cols 48 entries
Finished phase 1 with 0 SingleSign rule and 11 generalized
[2026-05-23 20:36:42] [INFO ] Computed 13 invariants in 0 ms
Computed 13 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-16934714108914728289.kers
Total runtime 0 ms.
[2026-05-23 20:36:43] [INFO ] Implicit Places using invariants in 564 ms returned [20, 21]
Discarding 2 places :
Implicit Place search using SMT only with invariants took 568 ms to find 2 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 22/24 places, 12/12 transitions.
Applied a total of 0 rules in 1 ms. Remains 22 /22 variables (removed 0) and now considering 12/12 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 571 ms. Remains : 22/24 places, 12/12 transitions.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(((!p0&&F((!p1&&X(X(G(p2)))))) U (G((G(!p0)||(!p0&&F((!p1&&X(X(G(p2))))))))||(!p3&&(G(!p0)||(!p0&&F((!p1&&X(X(G(p2)))))))))))'
Stuttering acceptance computed with spot in 564 ms :[p0, true, (AND p0 (NOT p2)), (OR (AND p0 (NOT p2)) (AND p0 p1)), (AND p0 (NOT p2)), (AND p0 (NOT p2)), (NOT p2), (NOT p2), (OR (NOT p2) p1), (NOT p2)]
Running random walk in product with property : CircularTrains-PT-012-LTLFireability-07
Entered a terminal (fully accepting) state of product in 1 steps with 0 reset in 0 ms.
FORMULA CircularTrains-PT-012-LTLFireability-07 FALSE TECHNIQUES STUTTER_TEST
Treatment of property CircularTrains-PT-012-LTLFireability-07 finished in 1215 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(X(G(p0)))))'
Support contains 2 out of 24 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 24/24 places, 12/12 transitions.
Applied a total of 0 rules in 0 ms. Remains 24 /24 variables (removed 0) and now considering 12/12 (removed 0) transitions.
[2026-05-23 20:36:44] [INFO ] Invariant cache hit.
[2026-05-23 20:36:44] [INFO ] Implicit Places using invariants in 51 ms returned [5, 15, 20]
Discarding 3 places :
Implicit Place search using SMT only with invariants took 52 ms to find 3 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 21/24 places, 12/12 transitions.
Applied a total of 0 rules in 0 ms. Remains 21 /21 variables (removed 0) and now considering 12/12 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 52 ms. Remains : 21/24 places, 12/12 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(X(G(p0)))))'
Stuttering acceptance computed with spot in 182 ms :[true, (NOT p0), (NOT p0), (NOT p0), (NOT p0)]
Running random walk in product with property : CircularTrains-PT-012-LTLFireability-08
Entered a terminal (fully accepting) state of product in 3 steps with 0 reset in 0 ms.
FORMULA CircularTrains-PT-012-LTLFireability-08 FALSE TECHNIQUES STUTTER_TEST
Treatment of property CircularTrains-PT-012-LTLFireability-08 finished in 282 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(G(!p0))||G(p1))))'
Support contains 4 out of 24 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 24/24 places, 12/12 transitions.
Applied a total of 0 rules in 1 ms. Remains 24 /24 variables (removed 0) and now considering 12/12 (removed 0) transitions.
[2026-05-23 20:36:44] [INFO ] Invariant cache hit.
[2026-05-23 20:36:44] [INFO ] Implicit Places using invariants in 176 ms returned [5, 15, 21]
Discarding 3 places :
Implicit Place search using SMT only with invariants took 185 ms to find 3 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 21/24 places, 12/12 transitions.
Applied a total of 0 rules in 1 ms. Remains 21 /21 variables (removed 0) and now considering 12/12 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 187 ms. Remains : 21/24 places, 12/12 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(G(p0))||G(p1))))'
Stuttering acceptance computed with spot in 173 ms :[(AND (NOT p1) (NOT p0)), (NOT p0), (AND (NOT p1) (NOT p0))]
Running random walk in product with property : CircularTrains-PT-012-LTLFireability-10
Product exploration explored 100000 steps with 0 reset in 112 ms.
Stack based approach found an accepted trace after 14 steps with 0 reset with depth 15 and stack size 15 in 1 ms.
FORMULA CircularTrains-PT-012-LTLFireability-10 FALSE TECHNIQUES STACK_TEST
Treatment of property CircularTrains-PT-012-LTLFireability-10 finished in 500 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(((!p0||X(X(F((!p1&&X(!p2)))))) U X(X(!p0))))'
Support contains 6 out of 24 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 24/24 places, 12/12 transitions.
Applied a total of 0 rules in 1 ms. Remains 24 /24 variables (removed 0) and now considering 12/12 (removed 0) transitions.
[2026-05-23 20:36:44] [INFO ] Invariant cache hit.
[2026-05-23 20:36:44] [INFO ] Implicit Places using invariants in 52 ms returned [5, 15, 20, 21]
Discarding 4 places :
Implicit Place search using SMT only with invariants took 54 ms to find 4 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 20/24 places, 12/12 transitions.
Applied a total of 0 rules in 0 ms. Remains 20 /20 variables (removed 0) and now considering 12/12 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 55 ms. Remains : 20/24 places, 12/12 transitions.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(((!p0||X(X(F((!p1&&X(!p2)))))) U X(X(!p0))))'
Stuttering acceptance computed with spot in 439 ms :[p0, p0, (OR (AND p0 p1) (AND p0 p2)), p0, (OR (AND p0 p1) (AND p0 p2)), (OR (AND p0 p2) (AND p0 p1)), (OR p2 p1), p2]
Running random walk in product with property : CircularTrains-PT-012-LTLFireability-11
Product exploration explored 100000 steps with 23184 reset in 295 ms.
Stack based approach found an accepted trace after 44428 steps with 10350 reset with depth 16 and stack size 16 in 145 ms.
FORMULA CircularTrains-PT-012-LTLFireability-11 FALSE TECHNIQUES STACK_TEST
Treatment of property CircularTrains-PT-012-LTLFireability-11 finished in 1032 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) U G((((F(p0) U p3) U !p1)&&p2))))'
Support contains 8 out of 24 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 24/24 places, 12/12 transitions.
Applied a total of 0 rules in 1 ms. Remains 24 /24 variables (removed 0) and now considering 12/12 (removed 0) transitions.
[2026-05-23 20:36:45] [INFO ] Invariant cache hit.
[2026-05-23 20:36:45] [INFO ] Implicit Places using invariants in 47 ms returned [5, 20]
Discarding 2 places :
Implicit Place search using SMT only with invariants took 48 ms to find 2 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 22/24 places, 12/12 transitions.
Performed 1 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 0 with 1 Pre rules applied. Total rules applied 0 place count 22 transition count 11
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 2 place count 21 transition count 11
Applied a total of 2 rules in 2 ms. Remains 21 /22 variables (removed 1) and now considering 11/12 (removed 1) transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-473228485243512434.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-8666190079553117660.kers'
[2026-05-23 20:36:45] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-473228485243512434.kers, --Pflows, --basisKERS=/tmp/petrispot-output-8666190079553117660.kers]
Culling duplicate invariants (modulo rational): removing 2 columns.
Culled 2 columns in 0 ms.
// Phase 1: matrix 11 rows 19 cols 38 entries
Finished phase 1 with 9 SingleSign rule and 1 generalized
[2026-05-23 20:36:45] [INFO ] Computed 11 invariants in 0 ms
Computed 11 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-8666190079553117660.kers
Total runtime 0 ms.
[2026-05-23 20:36:45] [INFO ] Implicit Places using invariants in 41 ms returned []
[2026-05-23 20:36:45] [INFO ] Invariant cache hit.
[2026-05-23 20:36:45] [INFO ] Implicit Places using invariants and state equation in 51 ms returned []
Implicit Place search using SMT with State Equation took 97 ms to find 0 implicit places.
Starting structural reductions in SI_LTL mode, iteration 2 : 21/24 places, 11/12 transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 151 ms. Remains : 21/24 places, 11/12 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) U G((((F(p0) U p3) U !p1)&&p2))))'
Stuttering acceptance computed with spot in 593 ms :[(OR (NOT p2) p1), (NOT p0), (NOT p1), (OR (AND (NOT p0) (NOT p2)) (AND (NOT p0) p1)), (OR (AND (NOT p0) (NOT p2)) (AND (NOT p0) p1)), (OR (AND (NOT p2) (NOT p3)) (AND p1 (NOT p3))), p1, (AND (NOT p0) p1), (AND (NOT p0) p1), (AND (NOT p1) (NOT p3))]
Running random walk in product with property : CircularTrains-PT-012-LTLFireability-14
Product exploration explored 100000 steps with 11784 reset in 126 ms.
Product exploration explored 100000 steps with 11795 reset in 149 ms.
Computed a total of 0 stabilizing places and 0 stable transitions
Computed a total of 0 stabilizing places and 0 stable transitions
Knowledge based reduction with 22 factoid took 1083 ms. Reduced automaton from 10 states, 34 edges and 4 AP (stutter insensitive) to 10 states, 34 edges and 4 AP (stutter insensitive).
RANDOM walk for 606 steps (0 resets) in 9 ms. (60 steps per ms) remains 0/25 properties
Knowledge based reduction with 22 factoid took 1175 ms. Reduced automaton from 10 states, 34 edges and 4 AP (stutter insensitive) to 10 states, 34 edges and 4 AP (stutter insensitive).
Stuttering acceptance computed with spot in 563 ms :[(OR (NOT p2) p1), (NOT p0), (NOT p1), (OR (AND (NOT p0) (NOT p2)) (AND (NOT p0) p1)), (OR (AND (NOT p0) (NOT p2)) (AND (NOT p0) p1)), (OR (AND (NOT p2) (NOT p3)) (AND p1 (NOT p3))), p1, (AND (NOT p0) p1), (AND (NOT p0) p1), (AND (NOT p1) (NOT p3))]
[2026-05-23 20:36:49] [INFO ] Invariant cache hit.
[2026-05-23 20:36:49] [INFO ] [Real]Absence check using 10 positive place invariants in 4 ms returned sat
[2026-05-23 20:36:49] [INFO ] [Real]Absence check using 10 positive and 1 generalized place invariants in 2 ms returned sat
[2026-05-23 20:36:49] [INFO ] [Real]Absence check using state equation in 13 ms returned sat
[2026-05-23 20:36:49] [INFO ] Computed and/alt/rep : 7/11/7 causal constraints (skipped 0 transitions) in 3 ms.
[2026-05-23 20:36:49] [INFO ] Added : 4 causal constraints over 1 iterations in 12 ms. Result :sat
Could not prove EG (NOT p2)
Knowledge-based reduction took 2904 ms.
Stuttering acceptance computed with spot in 455 ms :[(OR (NOT p2) p1), (NOT p0), (NOT p1), (OR (AND (NOT p0) (NOT p2)) (AND (NOT p0) p1)), (OR (AND (NOT p0) (NOT p2)) (AND (NOT p0) p1)), (OR (AND (NOT p2) (NOT p3)) (AND p1 (NOT p3))), p1, (AND (NOT p0) p1), (AND (NOT p0) p1), (AND (NOT p1) (NOT p3))]
Support contains 8 out of 21 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 21/21 places, 11/11 transitions.
Applied a total of 0 rules in 1 ms. Remains 21 /21 variables (removed 0) and now considering 11/11 (removed 0) transitions.
[2026-05-23 20:36:50] [INFO ] Invariant cache hit.
[2026-05-23 20:36:50] [INFO ] Implicit Places using invariants in 42 ms returned []
[2026-05-23 20:36:50] [INFO ] Invariant cache hit.
[2026-05-23 20:36:50] [INFO ] Implicit Places using invariants and state equation in 42 ms returned []
Implicit Place search using SMT with State Equation took 86 ms to find 0 implicit places.
[2026-05-23 20:36:50] [INFO ] Redundant transitions in 0 ms returned []
Running 7 sub problems to find dead transitions.
[2026-05-23 20:36:50] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/13 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 1 (OVERLAPS) 8/21 variables, 10/10 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/21 variables, 1/11 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/21 variables, 0/11 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 4 (OVERLAPS) 11/32 variables, 21/32 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/32 variables, 0/32 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 6 (OVERLAPS) 0/32 variables, 0/32 constraints. Problems are: Problem set: 0 solved, 7 unsolved
No progress, stopping.
After SMT solving in domain Real declared 32/32 variables, and 32 constraints, problems are : Problem set: 0 solved, 7 unsolved in 188 ms.
Refiners :[Positive P Invariants (semi-flows): 10/10 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 21/21 constraints, PredecessorRefiner: 7/7 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 7 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/13 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 1 (OVERLAPS) 8/21 variables, 10/10 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/21 variables, 1/11 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/21 variables, 0/11 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 4 (OVERLAPS) 11/32 variables, 21/32 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/32 variables, 7/39 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/32 variables, 0/39 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 7 (OVERLAPS) 0/32 variables, 0/39 constraints. Problems are: Problem set: 0 solved, 7 unsolved
No progress, stopping.
After SMT solving in domain Int declared 32/32 variables, and 39 constraints, problems are : Problem set: 0 solved, 7 unsolved in 183 ms.
Refiners :[Positive P Invariants (semi-flows): 10/10 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 21/21 constraints, PredecessorRefiner: 7/7 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 374ms problems are : Problem set: 0 solved, 7 unsolved
Search for dead transitions found 0 dead transitions in 375ms
Finished structural reductions in SI_LTL mode , in 1 iterations and 468 ms. Remains : 21/21 places, 11/11 transitions.
Computed a total of 0 stabilizing places and 0 stable transitions
Computed a total of 0 stabilizing places and 0 stable transitions
Knowledge based reduction with 22 factoid took 1020 ms. Reduced automaton from 10 states, 34 edges and 4 AP (stutter insensitive) to 10 states, 34 edges and 4 AP (stutter insensitive).
RANDOM walk for 379 steps (0 resets) in 9 ms. (37 steps per ms) remains 0/25 properties
Knowledge based reduction with 22 factoid took 1467 ms. Reduced automaton from 10 states, 34 edges and 4 AP (stutter insensitive) to 10 states, 34 edges and 4 AP (stutter insensitive).
Stuttering acceptance computed with spot in 458 ms :[(OR (NOT p2) p1), (NOT p0), (NOT p1), (OR (AND (NOT p0) (NOT p2)) (AND (NOT p0) p1)), (OR (AND (NOT p0) (NOT p2)) (AND (NOT p0) p1)), (OR (AND (NOT p2) (NOT p3)) (AND p1 (NOT p3))), p1, (AND (NOT p0) p1), (AND (NOT p0) p1), (AND (NOT p1) (NOT p3))]
[2026-05-23 20:36:53] [INFO ] Invariant cache hit.
[2026-05-23 20:36:53] [INFO ] [Real]Absence check using 10 positive place invariants in 4 ms returned sat
[2026-05-23 20:36:53] [INFO ] [Real]Absence check using 10 positive and 1 generalized place invariants in 1 ms returned sat
[2026-05-23 20:36:53] [INFO ] [Real]Absence check using state equation in 11 ms returned sat
[2026-05-23 20:36:53] [INFO ] Computed and/alt/rep : 7/11/7 causal constraints (skipped 0 transitions) in 2 ms.
[2026-05-23 20:36:53] [INFO ] Added : 4 causal constraints over 1 iterations in 13 ms. Result :sat
Could not prove EG (NOT p2)
Knowledge-based reduction took 3024 ms.
Stuttering acceptance computed with spot in 413 ms :[(OR (NOT p2) p1), (NOT p0), (NOT p1), (OR (AND (NOT p0) (NOT p2)) (AND (NOT p0) p1)), (OR (AND (NOT p0) (NOT p2)) (AND (NOT p0) p1)), (OR (AND (NOT p2) (NOT p3)) (AND p1 (NOT p3))), p1, (AND (NOT p0) p1), (AND (NOT p0) p1), (AND (NOT p1) (NOT p3))]
Stuttering acceptance computed with spot in 473 ms :[(OR (NOT p2) p1), (NOT p0), (NOT p1), (OR (AND (NOT p0) (NOT p2)) (AND (NOT p0) p1)), (OR (AND (NOT p0) (NOT p2)) (AND (NOT p0) p1)), (OR (AND (NOT p2) (NOT p3)) (AND p1 (NOT p3))), p1, (AND (NOT p0) p1), (AND (NOT p0) p1), (AND (NOT p1) (NOT p3))]
Product exploration explored 100000 steps with 11793 reset in 128 ms.
Product exploration explored 100000 steps with 11794 reset in 141 ms.
Built C files in :
/tmp/ltsmin9992442826166358964
[2026-05-23 20:36:54] [INFO ] Computing symmetric may disable matrix : 11 transitions.
[2026-05-23 20:36:54] [INFO ] Computation of Complete disable matrix. took 3 ms. Total solver calls (SAT/UNSAT): 0(0/0)
[2026-05-23 20:36:54] [INFO ] Computing symmetric may enable matrix : 11 transitions.
[2026-05-23 20:36:54] [INFO ] Computation of Complete enable matrix. took 0 ms. Total solver calls (SAT/UNSAT): 0(0/0)
[2026-05-23 20:36:54] [INFO ] Computing Do-Not-Accords matrix : 11 transitions.
[2026-05-23 20:36:54] [INFO ] Computation of Completed DNA matrix. took 0 ms. Total solver calls (SAT/UNSAT): 0(0/0)
[2026-05-23 20:36:54] [INFO ] Built C files in 7ms conformant to PINS (ltsmin variant)in folder :/tmp/ltsmin9992442826166358964
Running compilation step : cd /tmp/ltsmin9992442826166358964;'/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 114 ms.
Running link step : cd /tmp/ltsmin9992442826166358964;'gcc' '-shared' '-o' 'gal.so' 'model.o'
Link finished in 50 ms.
Running LTSmin : cd /tmp/ltsmin9992442826166358964;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202604301425/bin/pins2lts-seq-linux64' './gal.so' '-p' '--pins-guards' '--when' '--hoa' '/tmp/stateBased6500808244512370493.hoa' '--buchi-type=spotba'
LTSmin run took 28 ms.
FORMULA CircularTrains-PT-012-LTLFireability-14 FALSE TECHNIQUES PARTIAL_ORDER EXPLICIT LTSMIN SAT_SMT
Treatment of property CircularTrains-PT-012-LTLFireability-14 finished in 9321 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 U (p1||G(!p0))))))'
Support contains 4 out of 24 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 24/24 places, 12/12 transitions.
Applied a total of 0 rules in 2 ms. Remains 24 /24 variables (removed 0) and now considering 12/12 (removed 0) transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-469693807322506060.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-13536333454283295762.kers'
[2026-05-23 20:36:55] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-469693807322506060.kers, --Pflows, --basisKERS=/tmp/petrispot-output-13536333454283295762.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 12 rows 24 cols 48 entries
Finished phase 1 with 0 SingleSign rule and 11 generalized
[2026-05-23 20:36:55] [INFO ] Computed 13 invariants in 0 ms
Computed 13 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-13536333454283295762.kers
Total runtime 0 ms.
[2026-05-23 20:36:55] [INFO ] Implicit Places using invariants in 45 ms returned [5, 15, 20, 21]
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 : 20/24 places, 12/12 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 20 transition count 11
Reduce places removed 1 places and 0 transitions.
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Iterating post reduction 1 with 2 rules applied. Total rules applied 3 place count 19 transition count 10
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 2 with 1 rules applied. Total rules applied 4 place count 18 transition count 10
Performed 2 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 2 Pre rules applied. Total rules applied 4 place count 18 transition count 8
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 8 place count 16 transition count 8
Applied a total of 8 rules in 3 ms. Remains 16 /20 variables (removed 4) and now considering 8/12 (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-6608639104656616008.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-3913685439529153217.kers'
[2026-05-23 20:36:55] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-6608639104656616008.kers, --Pflows, --basisKERS=/tmp/petrispot-output-3913685439529153217.kers]
Culling duplicate invariants (modulo rational): removing 8 columns.
Culled 8 columns in 0 ms.
// Phase 1: matrix 8 rows 8 cols 16 entries
Finished phase 1 with 5 SingleSign rule and 2 generalized
[2026-05-23 20:36:55] [INFO ] Computed 9 invariants in 0 ms
Computed 9 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-3913685439529153217.kers
Total runtime 0 ms.
[2026-05-23 20:36:55] [INFO ] Implicit Places using invariants in 31 ms returned []
[2026-05-23 20:36:55] [INFO ] Invariant cache hit.
[2026-05-23 20:36:55] [INFO ] Implicit Places using invariants and state equation in 52 ms returned []
Implicit Place search using SMT with State Equation took 85 ms to find 0 implicit places.
Starting structural reductions in SI_LTL mode, iteration 2 : 16/24 places, 8/12 transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 136 ms. Remains : 16/24 places, 8/12 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 U (G(!p0)||p1)))))'
Stuttering acceptance computed with spot in 91 ms :[(AND (NOT p1) p0), (AND (NOT p1) p0)]
Running random walk in product with property : CircularTrains-PT-012-LTLFireability-15
Product exploration explored 100000 steps with 10048 reset in 132 ms.
Stack based approach found an accepted trace after 294 steps with 34 reset with depth 14 and stack size 14 in 1 ms.
FORMULA CircularTrains-PT-012-LTLFireability-15 FALSE TECHNIQUES STACK_TEST
Treatment of property CircularTrains-PT-012-LTLFireability-15 finished in 398 ms.
All properties solved by simple procedures.
Total runtime 28479 ms.

BK_STOP 1779568615622

--------------------
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="CircularTrains-PT-012"
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 CircularTrains-PT-012, 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 r050-smll-177946901100220"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/CircularTrains-PT-012.tgz
mv CircularTrains-PT-012 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 ;