fond
Model Checking Contest 2026
16th edition, Hamburg, Germany, June 23, 2026
Execution of r130-smll-177955809000204
Last Updated
Jun 17, 2026

About the Execution of ITS-Tools for FireWire-PT-08

Execution Summary
Max Memory
Used (MB)
Time wait (ms) CPU Usage (ms) I/O Wait (ms) Computed Result Execution
Status
602.012 819247.00 950701.00 2635.70 FFTTTTFFFFFFFFFF normal

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.r130-smll-177955809000204.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)
............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................
=====================================================================
Generated by BenchKit 2-5973
Executing tool itstools
Input is FireWire-PT-08, examination is LTLFireability
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r130-smll-177955809000204
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 476K
-rw-r--r-- 1 mcc users 6.1K Mar 7 05:16 CTLCardinality.txt
-rw-r--r-- 1 mcc users 66K Mar 7 05:16 CTLCardinality.xml
-rw-r--r-- 1 mcc users 4.2K Mar 7 05:16 CTLFireability.txt
-rw-r--r-- 1 mcc users 32K Mar 7 05:16 CTLFireability.xml
-rw-r--r-- 1 mcc users 3.8K Mar 15 10:06 LTLCardinality.txt
-rw-r--r-- 1 mcc users 29K Mar 15 10:06 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.3K Mar 15 10:06 LTLFireability.txt
-rw-r--r-- 1 mcc users 19K Mar 15 10:06 LTLFireability.xml
-rw-r--r-- 1 mcc users 9.8K Mar 7 05:16 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 106K Mar 7 05:16 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 6.5K Mar 7 05:16 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 51K Mar 7 05:16 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.6K Mar 15 10:06 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.6K Mar 15 10:06 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 Mar 3 18:30 equiv_col
-rw-r--r-- 1 mcc users 3 Mar 3 18:30 instance
-rw-r--r-- 1 mcc users 6 Mar 3 18:30 iscolored
-rw-r--r-- 1 mcc users 97K 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 FireWire-PT-08-LTLFireability-00
FORMULA_NAME FireWire-PT-08-LTLFireability-01
FORMULA_NAME FireWire-PT-08-LTLFireability-02
FORMULA_NAME FireWire-PT-08-LTLFireability-03
FORMULA_NAME FireWire-PT-08-LTLFireability-04
FORMULA_NAME FireWire-PT-08-LTLFireability-05
FORMULA_NAME FireWire-PT-08-LTLFireability-06
FORMULA_NAME FireWire-PT-08-LTLFireability-07
FORMULA_NAME FireWire-PT-08-LTLFireability-08
FORMULA_NAME FireWire-PT-08-LTLFireability-09
FORMULA_NAME FireWire-PT-08-LTLFireability-10
FORMULA_NAME FireWire-PT-08-LTLFireability-11
FORMULA_NAME FireWire-PT-08-LTLFireability-12
FORMULA_NAME FireWire-PT-08-LTLFireability-13
FORMULA_NAME FireWire-PT-08-LTLFireability-14
FORMULA_NAME FireWire-PT-08-LTLFireability-15

=== Now, execution of the tool begins

BK_START 1779805237000

Invoking MCC driver with
BK_TOOL=itstools
BK_EXAMINATION=LTLFireability
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=FireWire-PT-08
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
LTLFireability PT
Running Version 202604301425
[2026-05-26 14:20:39] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, LTLFireability, -its, -ltsmin, -greatspnpath, /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/, -order, META, -manyOrder, -smt, -timeout, 3600]
[2026-05-26 14:20:39] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-05-26 14:20:39] [INFO ] Load time of PNML (sax parser for PT used): 194 ms
[2026-05-26 14:20:39] [INFO ] Transformed 127 places.
[2026-05-26 14:20:39] [INFO ] Transformed 397 transitions.
[2026-05-26 14:20:39] [INFO ] Found NUPN structural information;
[2026-05-26 14:20:39] [INFO ] Parsed PT model containing 127 places and 397 transitions and 1475 arcs in 433 ms.
Parsed 16 properties from file /home/mcc/execution/LTLFireability.xml in 21 ms.
Working with output stream class java.io.PrintStream
Initial state reduction rules removed 4 formulas.
Ensure Unique test removed 53 transitions
Reduce redundant transitions removed 53 transitions.
FORMULA FireWire-PT-08-LTLFireability-05 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA FireWire-PT-08-LTLFireability-09 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA FireWire-PT-08-LTLFireability-12 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA FireWire-PT-08-LTLFireability-15 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Support contains 37 out of 127 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 127/127 places, 344/344 transitions.
Discarding 4 places :
Symmetric choice reduction at 0 with 4 rule applications. Total rules 4 place count 123 transition count 335
Iterating global reduction 0 with 4 rules applied. Total rules applied 8 place count 123 transition count 335
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 0 with 2 rules applied. Total rules applied 10 place count 123 transition count 333
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 11 place count 122 transition count 331
Iterating global reduction 1 with 1 rules applied. Total rules applied 12 place count 122 transition count 331
Drop transitions (Redundant composition of simpler transitions.) removed 6 transitions
Redundant transition composition rules discarded 6 transitions
Iterating global reduction 1 with 6 rules applied. Total rules applied 18 place count 122 transition count 325
Applied a total of 18 rules in 89 ms. Remains 122 /127 variables (removed 5) and now considering 325/344 (removed 19) transitions.
[2026-05-26 14:20:40] [INFO ] Flow matrix only has 299 transitions (discarded 26 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-8248907208079002720.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-9085171664490015646.kers'
[2026-05-26 14:20:40] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-8248907208079002720.kers, --Pflows, --basisKERS=/tmp/petrispot-output-9085171664490015646.kers]
Normalized transition count is 298 out of 299 initially.
Culled 0 columns in 0 ms.
// Phase 1: matrix 298 rows 122 cols 1011 entries
Finished phase 1 with 114 SingleSign rule and 0 generalized
[2026-05-26 14:20:40] [INFO ] Computed 8 invariants in 1 ms
Computed 8 P flows in 2 ms.
Exported basis to /tmp/petrispot-output-9085171664490015646.kers
Total runtime 3 ms.
[2026-05-26 14:20:40] [INFO ] Implicit Places using invariants in 567 ms returned []
[2026-05-26 14:20:40] [INFO ] Flow matrix only has 299 transitions (discarded 26 similar events)
[2026-05-26 14:20:40] [INFO ] Invariant cache hit.
[2026-05-26 14:20:41] [INFO ] State equation strengthened by 44 read => feed constraints.
[2026-05-26 14:20:41] [INFO ] Implicit Places using invariants and state equation in 559 ms returned []
Implicit Place search using SMT with State Equation took 1195 ms to find 0 implicit places.
Running 324 sub problems to find dead transitions.
[2026-05-26 14:20:41] [INFO ] Flow matrix only has 299 transitions (discarded 26 similar events)
[2026-05-26 14:20:41] [INFO ] Invariant cache hit.
[2026-05-26 14:20:41] [INFO ] State equation strengthened by 44 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/121 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 324 unsolved
At refinement iteration 1 (OVERLAPS) 1/122 variables, 8/8 constraints. Problems are: Problem set: 0 solved, 324 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/122 variables, 7/15 constraints. Problems are: Problem set: 0 solved, 324 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/122 variables, 0/15 constraints. Problems are: Problem set: 0 solved, 324 unsolved
At refinement iteration 4 (OVERLAPS) 298/420 variables, 122/137 constraints. Problems are: Problem set: 0 solved, 324 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/420 variables, 43/180 constraints. Problems are: Problem set: 0 solved, 324 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/420 variables, 0/180 constraints. Problems are: Problem set: 0 solved, 324 unsolved
At refinement iteration 7 (OVERLAPS) 1/421 variables, 1/181 constraints. Problems are: Problem set: 0 solved, 324 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/421 variables, 0/181 constraints. Problems are: Problem set: 0 solved, 324 unsolved
Error getting values : (error "Timeout of Z3 solver reached")
At refinement iteration 9 (OVERLAPS) 0/421 variables, 0/181 constraints. Problems are: Problem set: 0 solved, 324 unsolved
No progress, stopping.
After SMT solving in domain Real declared 421/421 variables, and 181 constraints, problems are : Problem set: 0 solved, 324 unsolved in 30043 ms.
Refiners :[Positive P Invariants (semi-flows): 8/8 constraints, State Equation: 122/122 constraints, ReadFeed: 44/44 constraints, PredecessorRefiner: 324/324 constraints, Known Traps: 7/7 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 324 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/121 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 324 unsolved
At refinement iteration 1 (OVERLAPS) 1/122 variables, 8/8 constraints. Problems are: Problem set: 0 solved, 324 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/122 variables, 7/15 constraints. Problems are: Problem set: 0 solved, 324 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/122 variables, 0/15 constraints. Problems are: Problem set: 0 solved, 324 unsolved
At refinement iteration 4 (OVERLAPS) 298/420 variables, 122/137 constraints. Problems are: Problem set: 0 solved, 324 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/420 variables, 43/180 constraints. Problems are: Problem set: 0 solved, 324 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/420 variables, 324/504 constraints. Problems are: Problem set: 0 solved, 324 unsolved
Error getting values : (error "Timeout of Z3 solver reached")
Error getting values : (error "Error writing to Z3 solver: java.io.IOException: Stream closed")
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 420/421 variables, and 504 constraints, problems are : Problem set: 0 solved, 324 unsolved in 30031 ms.
Refiners :[Positive P Invariants (semi-flows): 8/8 constraints, State Equation: 122/122 constraints, ReadFeed: 43/44 constraints, PredecessorRefiner: 324/324 constraints, Known Traps: 7/7 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60611ms problems are : Problem set: 0 solved, 324 unsolved
Search for dead transitions found 0 dead transitions in 60645ms
Starting structural reductions in LTL mode, iteration 1 : 122/127 places, 325/344 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 62056 ms. Remains : 122/127 places, 325/344 transitions.
Starting structural reductions in LTL mode, iteration 0 : 122/122 places, 325/325 transitions.
Applied a total of 0 rules in 7 ms. Remains 122 /122 variables (removed 0) and now considering 325/325 (removed 0) transitions.
[2026-05-26 14:21:42] [INFO ] Flow matrix only has 299 transitions (discarded 26 similar events)
[2026-05-26 14:21:42] [INFO ] Invariant cache hit.
[2026-05-26 14:21:42] [INFO ] Implicit Places using invariants in 173 ms returned []
[2026-05-26 14:21:42] [INFO ] Flow matrix only has 299 transitions (discarded 26 similar events)
[2026-05-26 14:21:42] [INFO ] Invariant cache hit.
[2026-05-26 14:21:42] [INFO ] State equation strengthened by 44 read => feed constraints.
[2026-05-26 14:21:42] [INFO ] Implicit Places using invariants and state equation in 397 ms returned []
Implicit Place search using SMT with State Equation took 573 ms to find 0 implicit places.
Skipped dead transition search.
Finished structural reductions in LTL mode , in 1 iterations and 582 ms. Remains : 122/122 places, 325/325 transitions.
Support contains 37 out of 122 places after structural reductions.
[2026-05-26 14:21:43] [INFO ] Flatten gal took : 112 ms
[2026-05-26 14:21:43] [INFO ] Flatten gal took : 60 ms
[2026-05-26 14:21:43] [INFO ] Input system was already deterministic with 325 transitions.
Support contains 36 out of 122 places (down from 37) after GAL structural reductions.
Reduction of identical properties reduced properties to check from 34 to 31
RANDOM walk for 40000 steps (2206 resets) in 2264 ms. (17 steps per ms) remains 16/31 properties
BEST_FIRST walk for 4004 steps (8 resets) in 70 ms. (56 steps per ms) remains 16/16 properties
BEST_FIRST walk for 4003 steps (51 resets) in 45 ms. (87 steps per ms) remains 16/16 properties
BEST_FIRST walk for 4003 steps (8 resets) in 24 ms. (160 steps per ms) remains 16/16 properties
BEST_FIRST walk for 4004 steps (9 resets) in 26 ms. (148 steps per ms) remains 15/16 properties
BEST_FIRST walk for 4004 steps (50 resets) in 31 ms. (125 steps per ms) remains 15/15 properties
BEST_FIRST walk for 4004 steps (8 resets) in 26 ms. (148 steps per ms) remains 15/15 properties
BEST_FIRST walk for 4003 steps (63 resets) in 37 ms. (105 steps per ms) remains 15/15 properties
BEST_FIRST walk for 4002 steps (60 resets) in 32 ms. (121 steps per ms) remains 15/15 properties
BEST_FIRST walk for 4004 steps (53 resets) in 32 ms. (121 steps per ms) remains 15/15 properties
BEST_FIRST walk for 4003 steps (9 resets) in 14 ms. (266 steps per ms) remains 12/15 properties
BEST_FIRST walk for 4003 steps (115 resets) in 13 ms. (285 steps per ms) remains 12/12 properties
BEST_FIRST walk for 4004 steps (45 resets) in 14 ms. (266 steps per ms) remains 12/12 properties
BEST_FIRST walk for 4004 steps (12 resets) in 9 ms. (400 steps per ms) remains 12/12 properties
BEST_FIRST walk for 4004 steps (26 resets) in 10 ms. (364 steps per ms) remains 12/12 properties
BEST_FIRST walk for 4003 steps (17 resets) in 12 ms. (307 steps per ms) remains 12/12 properties
[2026-05-26 14:21:44] [INFO ] Flow matrix only has 299 transitions (discarded 26 similar events)
[2026-05-26 14:21:44] [INFO ] Invariant cache hit.
[2026-05-26 14:21:44] [INFO ] State equation strengthened by 44 read => feed constraints.
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/19 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 1 (OVERLAPS) 90/109 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/109 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 3 (OVERLAPS) 10/119 variables, 3/8 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/119 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 5 (OVERLAPS) 298/417 variables, 119/127 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/417 variables, 43/170 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/417 variables, 0/170 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 8 (OVERLAPS) 3/420 variables, 3/173 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/420 variables, 0/173 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 10 (OVERLAPS) 1/421 variables, 1/174 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/421 variables, 0/174 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 12 (OVERLAPS) 0/421 variables, 0/174 constraints. Problems are: Problem set: 0 solved, 12 unsolved
No progress, stopping.
After SMT solving in domain Real declared 421/421 variables, and 174 constraints, problems are : Problem set: 0 solved, 12 unsolved in 1079 ms.
Refiners :[Positive P Invariants (semi-flows): 8/8 constraints, State Equation: 122/122 constraints, ReadFeed: 44/44 constraints, PredecessorRefiner: 12/12 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 12 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/19 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 1 (OVERLAPS) 90/109 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/109 variables, 1/6 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/109 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 4 (OVERLAPS) 10/119 variables, 3/9 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/119 variables, 3/12 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/119 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 7 (OVERLAPS) 298/417 variables, 119/131 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/417 variables, 43/174 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/417 variables, 11/185 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/417 variables, 0/185 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 11 (OVERLAPS) 3/420 variables, 3/188 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/420 variables, 1/189 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/420 variables, 0/189 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 14 (OVERLAPS) 1/421 variables, 1/190 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/421 variables, 0/190 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 16 (OVERLAPS) 0/421 variables, 0/190 constraints. Problems are: Problem set: 0 solved, 12 unsolved
No progress, stopping.
After SMT solving in domain Int declared 421/421 variables, and 190 constraints, problems are : Problem set: 0 solved, 12 unsolved in 3732 ms.
Refiners :[Positive P Invariants (semi-flows): 8/8 constraints, State Equation: 122/122 constraints, ReadFeed: 44/44 constraints, PredecessorRefiner: 12/12 constraints, Known Traps: 4/4 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 4836ms problems are : Problem set: 0 solved, 12 unsolved
Parikh walk visited 5 properties in 29803 ms.
Support contains 12 out of 122 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 122/122 places, 325/325 transitions.
Drop transitions (Empty/Sink Transition effects.) removed 3 transitions
Reduce isomorphic transitions removed 3 transitions.
Iterating post reduction 0 with 3 rules applied. Total rules applied 3 place count 122 transition count 322
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 4 place count 121 transition count 320
Iterating global reduction 1 with 1 rules applied. Total rules applied 5 place count 121 transition count 320
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 1 with 1 rules applied. Total rules applied 6 place count 121 transition count 319
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 2 with 2 rules applied. Total rules applied 8 place count 120 transition count 318
Performed 2 Post agglomeration using F-continuation condition.Transition count delta: -4
Deduced a syphon composed of 2 places in 1 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 2 with 4 rules applied. Total rules applied 12 place count 118 transition count 322
Drop transitions (Empty/Sink Transition effects.) removed 4 transitions
Reduce isomorphic transitions removed 4 transitions.
Iterating post reduction 2 with 4 rules applied. Total rules applied 16 place count 118 transition count 318
Drop transitions (Redundant composition of simpler transitions.) removed 2 transitions
Redundant transition composition rules discarded 2 transitions
Iterating global reduction 3 with 2 rules applied. Total rules applied 18 place count 118 transition count 316
Free-agglomeration rule (complex) applied 1 times.
Iterating global reduction 3 with 1 rules applied. Total rules applied 19 place count 118 transition count 318
Reduce places removed 1 places and 0 transitions.
Drop transitions (Empty/Sink Transition effects.) removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 3 with 3 rules applied. Total rules applied 22 place count 117 transition count 316
Drop transitions (Redundant composition of simpler transitions.) removed 2 transitions
Redundant transition composition rules discarded 2 transitions
Iterating global reduction 4 with 2 rules applied. Total rules applied 24 place count 117 transition count 314
Applied a total of 24 rules in 123 ms. Remains 117 /122 variables (removed 5) and now considering 314/325 (removed 11) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 123 ms. Remains : 117/122 places, 314/325 transitions.
RANDOM walk for 40000 steps (2213 resets) in 925 ms. (43 steps per ms) remains 7/7 properties
BEST_FIRST walk for 40003 steps (549 resets) in 100 ms. (396 steps per ms) remains 7/7 properties
BEST_FIRST walk for 40003 steps (11 resets) in 80 ms. (493 steps per ms) remains 7/7 properties
BEST_FIRST walk for 40003 steps (59 resets) in 90 ms. (439 steps per ms) remains 6/7 properties
BEST_FIRST walk for 40002 steps (596 resets) in 72 ms. (547 steps per ms) remains 6/6 properties
BEST_FIRST walk for 40002 steps (490 resets) in 93 ms. (425 steps per ms) remains 6/6 properties
BEST_FIRST walk for 40001 steps (578 resets) in 123 ms. (322 steps per ms) remains 6/6 properties
BEST_FIRST walk for 40003 steps (561 resets) in 97 ms. (408 steps per ms) remains 6/6 properties
[2026-05-26 14:22:19] [INFO ] Flow matrix only has 287 transitions (discarded 27 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-6764034911016905249.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-13360646121250029863.kers'
[2026-05-26 14:22:19] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-6764034911016905249.kers, --Pflows, --basisKERS=/tmp/petrispot-output-13360646121250029863.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 287 rows 117 cols 977 entries
Finished phase 1 with 109 SingleSign rule and 0 generalized
[2026-05-26 14:22:19] [INFO ] Computed 8 invariants in 2 ms
Computed 8 P flows in 3 ms.
Exported basis to /tmp/petrispot-output-13360646121250029863.kers
Total runtime 3 ms.
[2026-05-26 14:22:19] [INFO ] State equation strengthened by 45 read => feed constraints.
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/11 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 1 (OVERLAPS) 94/105 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/105 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 3 (OVERLAPS) 9/114 variables, 3/8 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/114 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 5 (OVERLAPS) 287/401 variables, 114/122 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/401 variables, 45/167 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/401 variables, 0/167 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 8 (OVERLAPS) 3/404 variables, 3/170 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/404 variables, 0/170 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 10 (OVERLAPS) 0/404 variables, 0/170 constraints. Problems are: Problem set: 0 solved, 6 unsolved
No progress, stopping.
After SMT solving in domain Real declared 404/404 variables, and 170 constraints, problems are : Problem set: 0 solved, 6 unsolved in 558 ms.
Refiners :[Positive P Invariants (semi-flows): 8/8 constraints, State Equation: 117/117 constraints, ReadFeed: 45/45 constraints, PredecessorRefiner: 6/6 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 6 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/11 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 1 (OVERLAPS) 94/105 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/105 variables, 1/6 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/105 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 4 (OVERLAPS) 9/114 variables, 3/9 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/114 variables, 2/11 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/114 variables, 0/11 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 7 (OVERLAPS) 287/401 variables, 114/125 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/401 variables, 45/170 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/401 variables, 5/175 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/401 variables, 0/175 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 11 (OVERLAPS) 3/404 variables, 3/178 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/404 variables, 1/179 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/404 variables, 1/180 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/404 variables, 0/180 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 15 (OVERLAPS) 0/404 variables, 0/180 constraints. Problems are: Problem set: 0 solved, 6 unsolved
No progress, stopping.
After SMT solving in domain Int declared 404/404 variables, and 180 constraints, problems are : Problem set: 0 solved, 6 unsolved in 2570 ms.
Refiners :[Positive P Invariants (semi-flows): 8/8 constraints, State Equation: 117/117 constraints, ReadFeed: 45/45 constraints, PredecessorRefiner: 6/6 constraints, Known Traps: 4/4 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 3165ms problems are : Problem set: 0 solved, 6 unsolved
Parikh walk visited 0 properties in 2127 ms.
Support contains 11 out of 117 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 117/117 places, 314/314 transitions.
Applied a total of 0 rules in 11 ms. Remains 117 /117 variables (removed 0) and now considering 314/314 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 11 ms. Remains : 117/117 places, 314/314 transitions.
RANDOM walk for 40000 steps (2177 resets) in 159 ms. (250 steps per ms) remains 6/6 properties
BEST_FIRST walk for 40003 steps (529 resets) in 85 ms. (465 steps per ms) remains 6/6 properties
BEST_FIRST walk for 40002 steps (66 resets) in 91 ms. (434 steps per ms) remains 6/6 properties
BEST_FIRST walk for 40002 steps (541 resets) in 90 ms. (439 steps per ms) remains 6/6 properties
BEST_FIRST walk for 40002 steps (494 resets) in 100 ms. (396 steps per ms) remains 6/6 properties
BEST_FIRST walk for 40004 steps (577 resets) in 55 ms. (714 steps per ms) remains 6/6 properties
BEST_FIRST walk for 40004 steps (571 resets) in 53 ms. (740 steps per ms) remains 6/6 properties
Finished probabilistic random walk after 470915 steps, run visited all 6 properties in 2122 ms. (steps per millisecond=221 )
Probabilistic random walk after 470915 steps, saw 102783 distinct states, run finished after 2128 ms. (steps per millisecond=221 ) properties seen :6
FORMULA FireWire-PT-08-LTLFireability-11 FALSE TECHNIQUES REACHABILITY_KNOWLEDGE
Computed a total of 22 stabilizing places and 46 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' '!(G((G(p0) U ((p0 U p1) U X((X(p3)&&p2))))))'
Support contains 6 out of 122 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 122/122 places, 325/325 transitions.
Discarding 3 places :
Symmetric choice reduction at 0 with 3 rule applications. Total rules 3 place count 119 transition count 317
Iterating global reduction 0 with 3 rules applied. Total rules applied 6 place count 119 transition count 317
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 0 with 1 rules applied. Total rules applied 7 place count 119 transition count 316
Discarding 2 places :
Symmetric choice reduction at 1 with 2 rule applications. Total rules 9 place count 117 transition count 312
Iterating global reduction 1 with 2 rules applied. Total rules applied 11 place count 117 transition count 312
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 12 place count 116 transition count 309
Iterating global reduction 1 with 1 rules applied. Total rules applied 13 place count 116 transition count 309
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 14 place count 115 transition count 307
Iterating global reduction 1 with 1 rules applied. Total rules applied 15 place count 115 transition count 307
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 16 place count 114 transition count 304
Iterating global reduction 1 with 1 rules applied. Total rules applied 17 place count 114 transition count 304
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 18 place count 113 transition count 302
Iterating global reduction 1 with 1 rules applied. Total rules applied 19 place count 113 transition count 302
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 20 place count 112 transition count 299
Iterating global reduction 1 with 1 rules applied. Total rules applied 21 place count 112 transition count 299
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 22 place count 111 transition count 297
Iterating global reduction 1 with 1 rules applied. Total rules applied 23 place count 111 transition count 297
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 24 place count 110 transition count 294
Iterating global reduction 1 with 1 rules applied. Total rules applied 25 place count 110 transition count 294
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 26 place count 109 transition count 292
Iterating global reduction 1 with 1 rules applied. Total rules applied 27 place count 109 transition count 292
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 28 place count 108 transition count 290
Iterating global reduction 1 with 1 rules applied. Total rules applied 29 place count 108 transition count 290
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 30 place count 107 transition count 288
Iterating global reduction 1 with 1 rules applied. Total rules applied 31 place count 107 transition count 288
Applied a total of 31 rules in 45 ms. Remains 107 /122 variables (removed 15) and now considering 288/325 (removed 37) transitions.
[2026-05-26 14:22:28] [INFO ] Flow matrix only has 262 transitions (discarded 26 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-2851126703406101951.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-15369468221548367821.kers'
[2026-05-26 14:22:28] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-2851126703406101951.kers, --Pflows, --basisKERS=/tmp/petrispot-output-15369468221548367821.kers]
Normalized transition count is 261 out of 262 initially.
Culled 0 columns in 0 ms.
// Phase 1: matrix 261 rows 107 cols 875 entries
Finished phase 1 with 99 SingleSign rule and 0 generalized
[2026-05-26 14:22:28] [INFO ] Computed 8 invariants in 1 ms
Computed 8 P flows in 2 ms.
Exported basis to /tmp/petrispot-output-15369468221548367821.kers
Total runtime 2 ms.
[2026-05-26 14:22:28] [INFO ] Implicit Places using invariants in 156 ms returned []
[2026-05-26 14:22:28] [INFO ] Flow matrix only has 262 transitions (discarded 26 similar events)
[2026-05-26 14:22:28] [INFO ] Invariant cache hit.
[2026-05-26 14:22:28] [INFO ] State equation strengthened by 38 read => feed constraints.
[2026-05-26 14:22:28] [INFO ] Implicit Places using invariants and state equation in 379 ms returned []
Implicit Place search using SMT with State Equation took 538 ms to find 0 implicit places.
Running 287 sub problems to find dead transitions.
[2026-05-26 14:22:28] [INFO ] Flow matrix only has 262 transitions (discarded 26 similar events)
[2026-05-26 14:22:28] [INFO ] Invariant cache hit.
[2026-05-26 14:22:28] [INFO ] State equation strengthened by 38 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/106 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 287 unsolved
At refinement iteration 1 (OVERLAPS) 1/107 variables, 8/8 constraints. Problems are: Problem set: 0 solved, 287 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/107 variables, 6/14 constraints. Problems are: Problem set: 0 solved, 287 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/107 variables, 0/14 constraints. Problems are: Problem set: 0 solved, 287 unsolved
At refinement iteration 4 (OVERLAPS) 261/368 variables, 107/121 constraints. Problems are: Problem set: 0 solved, 287 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/368 variables, 37/158 constraints. Problems are: Problem set: 0 solved, 287 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/368 variables, 0/158 constraints. Problems are: Problem set: 0 solved, 287 unsolved
At refinement iteration 7 (OVERLAPS) 1/369 variables, 1/159 constraints. Problems are: Problem set: 0 solved, 287 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/369 variables, 0/159 constraints. Problems are: Problem set: 0 solved, 287 unsolved
At refinement iteration 9 (OVERLAPS) 0/369 variables, 0/159 constraints. Problems are: Problem set: 0 solved, 287 unsolved
No progress, stopping.
After SMT solving in domain Real declared 369/369 variables, and 159 constraints, problems are : Problem set: 0 solved, 287 unsolved in 28501 ms.
Refiners :[Positive P Invariants (semi-flows): 8/8 constraints, State Equation: 107/107 constraints, ReadFeed: 38/38 constraints, PredecessorRefiner: 287/287 constraints, Known Traps: 6/6 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 287 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/106 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 287 unsolved
At refinement iteration 1 (OVERLAPS) 1/107 variables, 8/8 constraints. Problems are: Problem set: 0 solved, 287 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/107 variables, 6/14 constraints. Problems are: Problem set: 0 solved, 287 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/107 variables, 0/14 constraints. Problems are: Problem set: 0 solved, 287 unsolved
At refinement iteration 4 (OVERLAPS) 261/368 variables, 107/121 constraints. Problems are: Problem set: 0 solved, 287 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/368 variables, 37/158 constraints. Problems are: Problem set: 0 solved, 287 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/368 variables, 287/445 constraints. Problems are: Problem set: 0 solved, 287 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 368/369 variables, and 445 constraints, problems are : Problem set: 0 solved, 287 unsolved in 30023 ms.
Refiners :[Positive P Invariants (semi-flows): 8/8 constraints, State Equation: 107/107 constraints, ReadFeed: 37/38 constraints, PredecessorRefiner: 287/287 constraints, Known Traps: 6/6 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 58745ms problems are : Problem set: 0 solved, 287 unsolved
Search for dead transitions found 0 dead transitions in 58753ms
Starting structural reductions in LTL mode, iteration 1 : 107/122 places, 288/325 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 59338 ms. Remains : 107/122 places, 288/325 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) U ((p0 U p1) U X((X(p3)&&p2))))))'
Stuttering acceptance computed with spot in 1329 ms :[(OR (NOT p3) (NOT p2)), (OR (NOT p2) (NOT p3)), (OR (AND (NOT p0) (NOT p1) (NOT p2)) (AND (NOT p0) (NOT p1) (NOT p3))), (OR (NOT p2) (NOT p3)), (OR (NOT p3) (NOT p2)), true, (NOT p3), (AND (NOT p1) (NOT p0)), (AND (NOT p1) (NOT p0) p2 (NOT p3)), (NOT p3), (AND (NOT p0) (NOT p1) (NOT p3)), (NOT p3), (NOT p3), (OR (AND (NOT p1) (NOT p2)) (AND (NOT p1) (NOT p3))), (AND (NOT p1) (NOT p3)), (NOT p1), (AND (NOT p1) p2 (NOT p3))]
Running random walk in product with property : FireWire-PT-08-LTLFireability-00
Stuttering criterion allowed to conclude after 1 steps with 0 reset in 3 ms.
FORMULA FireWire-PT-08-LTLFireability-00 FALSE TECHNIQUES STUTTER_TEST
Treatment of property FireWire-PT-08-LTLFireability-00 finished in 60905 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(G((F(p0)&&F(G(p1)))))'
Support contains 4 out of 122 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 122/122 places, 325/325 transitions.
Discarding 3 places :
Symmetric choice reduction at 0 with 3 rule applications. Total rules 3 place count 119 transition count 317
Iterating global reduction 0 with 3 rules applied. Total rules applied 6 place count 119 transition count 317
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 0 with 1 rules applied. Total rules applied 7 place count 119 transition count 316
Discarding 2 places :
Symmetric choice reduction at 1 with 2 rule applications. Total rules 9 place count 117 transition count 312
Iterating global reduction 1 with 2 rules applied. Total rules applied 11 place count 117 transition count 312
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 12 place count 116 transition count 309
Iterating global reduction 1 with 1 rules applied. Total rules applied 13 place count 116 transition count 309
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 14 place count 115 transition count 307
Iterating global reduction 1 with 1 rules applied. Total rules applied 15 place count 115 transition count 307
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 16 place count 114 transition count 304
Iterating global reduction 1 with 1 rules applied. Total rules applied 17 place count 114 transition count 304
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 18 place count 113 transition count 302
Iterating global reduction 1 with 1 rules applied. Total rules applied 19 place count 113 transition count 302
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 20 place count 112 transition count 299
Iterating global reduction 1 with 1 rules applied. Total rules applied 21 place count 112 transition count 299
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 22 place count 111 transition count 297
Iterating global reduction 1 with 1 rules applied. Total rules applied 23 place count 111 transition count 297
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 24 place count 110 transition count 294
Iterating global reduction 1 with 1 rules applied. Total rules applied 25 place count 110 transition count 294
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 26 place count 109 transition count 292
Iterating global reduction 1 with 1 rules applied. Total rules applied 27 place count 109 transition count 292
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 28 place count 108 transition count 290
Iterating global reduction 1 with 1 rules applied. Total rules applied 29 place count 108 transition count 290
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 30 place count 107 transition count 288
Iterating global reduction 1 with 1 rules applied. Total rules applied 31 place count 107 transition count 288
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 1 with 2 rules applied. Total rules applied 33 place count 106 transition count 287
Performed 2 Post agglomeration using F-continuation condition.Transition count delta: -4
Deduced a syphon composed of 2 places in 0 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 1 with 4 rules applied. Total rules applied 37 place count 104 transition count 291
Drop transitions (Redundant composition of simpler transitions.) removed 4 transitions
Redundant transition composition rules discarded 4 transitions
Iterating global reduction 1 with 4 rules applied. Total rules applied 41 place count 104 transition count 287
Applied a total of 41 rules in 113 ms. Remains 104 /122 variables (removed 18) and now considering 287/325 (removed 38) transitions.
[2026-05-26 14:23:29] [INFO ] Flow matrix only has 257 transitions (discarded 30 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-7152483274741707437.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-18148863020072224455.kers'
[2026-05-26 14:23:29] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-7152483274741707437.kers, --Pflows, --basisKERS=/tmp/petrispot-output-18148863020072224455.kers]
Normalized transition count is 256 out of 257 initially.
Culled 0 columns in 1 ms.
// Phase 1: matrix 256 rows 104 cols 861 entries
Finished phase 1 with 96 SingleSign rule and 0 generalized
[2026-05-26 14:23:29] [INFO ] Computed 8 invariants in 3 ms
Computed 8 P flows in 4 ms.
Exported basis to /tmp/petrispot-output-18148863020072224455.kers
Total runtime 4 ms.
[2026-05-26 14:23:29] [INFO ] Implicit Places using invariants in 167 ms returned []
[2026-05-26 14:23:29] [INFO ] Flow matrix only has 257 transitions (discarded 30 similar events)
[2026-05-26 14:23:29] [INFO ] Invariant cache hit.
[2026-05-26 14:23:29] [INFO ] State equation strengthened by 40 read => feed constraints.
[2026-05-26 14:23:29] [INFO ] Implicit Places using invariants and state equation in 419 ms returned []
Implicit Place search using SMT with State Equation took 590 ms to find 0 implicit places.
[2026-05-26 14:23:29] [INFO ] Redundant transitions in 29 ms returned []
Running 286 sub problems to find dead transitions.
[2026-05-26 14:23:29] [INFO ] Flow matrix only has 257 transitions (discarded 30 similar events)
[2026-05-26 14:23:29] [INFO ] Invariant cache hit.
[2026-05-26 14:23:29] [INFO ] State equation strengthened by 40 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/103 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 286 unsolved
At refinement iteration 1 (OVERLAPS) 1/104 variables, 8/8 constraints. Problems are: Problem set: 0 solved, 286 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/104 variables, 6/14 constraints. Problems are: Problem set: 0 solved, 286 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/104 variables, 0/14 constraints. Problems are: Problem set: 0 solved, 286 unsolved
At refinement iteration 4 (OVERLAPS) 256/360 variables, 104/118 constraints. Problems are: Problem set: 0 solved, 286 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/360 variables, 39/157 constraints. Problems are: Problem set: 0 solved, 286 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/360 variables, 0/157 constraints. Problems are: Problem set: 0 solved, 286 unsolved
At refinement iteration 7 (OVERLAPS) 1/361 variables, 1/158 constraints. Problems are: Problem set: 0 solved, 286 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/361 variables, 0/158 constraints. Problems are: Problem set: 0 solved, 286 unsolved
At refinement iteration 9 (OVERLAPS) 0/361 variables, 0/158 constraints. Problems are: Problem set: 0 solved, 286 unsolved
No progress, stopping.
After SMT solving in domain Real declared 361/361 variables, and 158 constraints, problems are : Problem set: 0 solved, 286 unsolved in 22635 ms.
Refiners :[Positive P Invariants (semi-flows): 8/8 constraints, State Equation: 104/104 constraints, ReadFeed: 40/40 constraints, PredecessorRefiner: 286/286 constraints, Known Traps: 6/6 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 286 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/103 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 286 unsolved
At refinement iteration 1 (OVERLAPS) 1/104 variables, 8/8 constraints. Problems are: Problem set: 0 solved, 286 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/104 variables, 6/14 constraints. Problems are: Problem set: 0 solved, 286 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/104 variables, 0/14 constraints. Problems are: Problem set: 0 solved, 286 unsolved
At refinement iteration 4 (OVERLAPS) 256/360 variables, 104/118 constraints. Problems are: Problem set: 0 solved, 286 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/360 variables, 39/157 constraints. Problems are: Problem set: 0 solved, 286 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/360 variables, 286/443 constraints. Problems are: Problem set: 0 solved, 286 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/360 variables, 0/443 constraints. Problems are: Problem set: 0 solved, 286 unsolved
SMT process timed out in 52784ms, After SMT, problems are : Problem set: 0 solved, 286 unsolved
Search for dead transitions found 0 dead transitions in 52786ms
Starting structural reductions in SI_LTL mode, iteration 1 : 104/122 places, 287/325 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 53528 ms. Remains : 104/122 places, 287/325 transitions.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(G((F(p0)&&F(G(p1)))))'
Stuttering acceptance computed with spot in 122 ms :[(OR (NOT p0) (NOT p1)), (NOT p0), (NOT p1)]
Running random walk in product with property : FireWire-PT-08-LTLFireability-01
Stuttering criterion allowed to conclude after 1 steps with 0 reset in 1 ms.
FORMULA FireWire-PT-08-LTLFireability-01 FALSE TECHNIQUES STUTTER_TEST
Treatment of property FireWire-PT-08-LTLFireability-01 finished in 53694 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((G(p2)||p1)))&&(F(p4)||p3))||p0)))'
Support contains 6 out of 122 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 122/122 places, 325/325 transitions.
Discarding 2 places :
Symmetric choice reduction at 0 with 2 rule applications. Total rules 2 place count 120 transition count 320
Iterating global reduction 0 with 2 rules applied. Total rules applied 4 place count 120 transition count 320
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 0 with 1 rules applied. Total rules applied 5 place count 120 transition count 319
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 6 place count 119 transition count 317
Iterating global reduction 1 with 1 rules applied. Total rules applied 7 place count 119 transition count 317
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 8 place count 118 transition count 314
Iterating global reduction 1 with 1 rules applied. Total rules applied 9 place count 118 transition count 314
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 10 place count 117 transition count 312
Iterating global reduction 1 with 1 rules applied. Total rules applied 11 place count 117 transition count 312
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 12 place count 116 transition count 309
Iterating global reduction 1 with 1 rules applied. Total rules applied 13 place count 116 transition count 309
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 14 place count 115 transition count 307
Iterating global reduction 1 with 1 rules applied. Total rules applied 15 place count 115 transition count 307
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 16 place count 114 transition count 304
Iterating global reduction 1 with 1 rules applied. Total rules applied 17 place count 114 transition count 304
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 18 place count 113 transition count 302
Iterating global reduction 1 with 1 rules applied. Total rules applied 19 place count 113 transition count 302
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 20 place count 112 transition count 299
Iterating global reduction 1 with 1 rules applied. Total rules applied 21 place count 112 transition count 299
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 22 place count 111 transition count 297
Iterating global reduction 1 with 1 rules applied. Total rules applied 23 place count 111 transition count 297
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 24 place count 110 transition count 295
Iterating global reduction 1 with 1 rules applied. Total rules applied 25 place count 110 transition count 295
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 26 place count 109 transition count 293
Iterating global reduction 1 with 1 rules applied. Total rules applied 27 place count 109 transition count 293
Applied a total of 27 rules in 36 ms. Remains 109 /122 variables (removed 13) and now considering 293/325 (removed 32) transitions.
[2026-05-26 14:24:22] [INFO ] Flow matrix only has 267 transitions (discarded 26 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-14568841576678320026.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-645847838824521497.kers'
[2026-05-26 14:24:22] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-14568841576678320026.kers, --Pflows, --basisKERS=/tmp/petrispot-output-645847838824521497.kers]
Normalized transition count is 266 out of 267 initially.
Culled 0 columns in 0 ms.
// Phase 1: matrix 266 rows 109 cols 893 entries
Finished phase 1 with 101 SingleSign rule and 0 generalized
[2026-05-26 14:24:22] [INFO ] Computed 8 invariants in 1 ms
Computed 8 P flows in 2 ms.
Exported basis to /tmp/petrispot-output-645847838824521497.kers
Total runtime 3 ms.
[2026-05-26 14:24:22] [INFO ] Implicit Places using invariants in 157 ms returned []
[2026-05-26 14:24:22] [INFO ] Flow matrix only has 267 transitions (discarded 26 similar events)
[2026-05-26 14:24:22] [INFO ] Invariant cache hit.
[2026-05-26 14:24:22] [INFO ] State equation strengthened by 39 read => feed constraints.
[2026-05-26 14:24:23] [INFO ] Implicit Places using invariants and state equation in 370 ms returned []
Implicit Place search using SMT with State Equation took 530 ms to find 0 implicit places.
Running 292 sub problems to find dead transitions.
[2026-05-26 14:24:23] [INFO ] Flow matrix only has 267 transitions (discarded 26 similar events)
[2026-05-26 14:24:23] [INFO ] Invariant cache hit.
[2026-05-26 14:24:23] [INFO ] State equation strengthened by 39 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/108 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 292 unsolved
At refinement iteration 1 (OVERLAPS) 1/109 variables, 8/8 constraints. Problems are: Problem set: 0 solved, 292 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/109 variables, 6/14 constraints. Problems are: Problem set: 0 solved, 292 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/109 variables, 0/14 constraints. Problems are: Problem set: 0 solved, 292 unsolved
At refinement iteration 4 (OVERLAPS) 266/375 variables, 109/123 constraints. Problems are: Problem set: 0 solved, 292 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/375 variables, 38/161 constraints. Problems are: Problem set: 0 solved, 292 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/375 variables, 0/161 constraints. Problems are: Problem set: 0 solved, 292 unsolved
At refinement iteration 7 (OVERLAPS) 1/376 variables, 1/162 constraints. Problems are: Problem set: 0 solved, 292 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/376 variables, 0/162 constraints. Problems are: Problem set: 0 solved, 292 unsolved
At refinement iteration 9 (OVERLAPS) 0/376 variables, 0/162 constraints. Problems are: Problem set: 0 solved, 292 unsolved
No progress, stopping.
After SMT solving in domain Real declared 376/376 variables, and 162 constraints, problems are : Problem set: 0 solved, 292 unsolved in 24363 ms.
Refiners :[Positive P Invariants (semi-flows): 8/8 constraints, State Equation: 109/109 constraints, ReadFeed: 39/39 constraints, PredecessorRefiner: 292/292 constraints, Known Traps: 6/6 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 292 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/108 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 292 unsolved
At refinement iteration 1 (OVERLAPS) 1/109 variables, 8/8 constraints. Problems are: Problem set: 0 solved, 292 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/109 variables, 6/14 constraints. Problems are: Problem set: 0 solved, 292 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/109 variables, 0/14 constraints. Problems are: Problem set: 0 solved, 292 unsolved
At refinement iteration 4 (OVERLAPS) 266/375 variables, 109/123 constraints. Problems are: Problem set: 0 solved, 292 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/375 variables, 38/161 constraints. Problems are: Problem set: 0 solved, 292 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/375 variables, 292/453 constraints. Problems are: Problem set: 0 solved, 292 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/375 variables, 0/453 constraints. Problems are: Problem set: 0 solved, 292 unsolved
SMT process timed out in 54472ms, After SMT, problems are : Problem set: 0 solved, 292 unsolved
Search for dead transitions found 0 dead transitions in 54474ms
Starting structural reductions in LTL mode, iteration 1 : 109/122 places, 293/325 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 55045 ms. Remains : 109/122 places, 293/325 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((G(p2)||p1)))&&(F(p4)||p3))||p0)))'
Stuttering acceptance computed with spot in 164 ms :[(OR (AND (NOT p0) (NOT p3) (NOT p4)) (AND (NOT p0) (NOT p1) (NOT p2))), (OR (AND (NOT p0) (NOT p3) (NOT p4)) (AND (NOT p0) (NOT p1) (NOT p2))), (AND (NOT p1) (NOT p2)), (NOT p4)]
Running random walk in product with property : FireWire-PT-08-LTLFireability-02
Product exploration explored 100000 steps with 50000 reset in 394 ms.
Product exploration explored 100000 steps with 50000 reset in 351 ms.
Computed a total of 10 stabilizing places and 17 stable transitions
Computed a total of 10 stabilizing places and 17 stable transitions
Knowledge based reduction with 10 factoid took 99 ms. Proved property starting from automaton with 4 states, 6 edges and 5 AP (stutter sensitive
Knowledge-based reduction took 117 ms.
FORMULA FireWire-PT-08-LTLFireability-02 TRUE TECHNIQUES KNOWLEDGE
Treatment of property FireWire-PT-08-LTLFireability-02 finished in 56113 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(((F(p0)&&G(p1)) U X(!p2)))'
Support contains 7 out of 122 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 122/122 places, 325/325 transitions.
Discarding 3 places :
Symmetric choice reduction at 0 with 3 rule applications. Total rules 3 place count 119 transition count 317
Iterating global reduction 0 with 3 rules applied. Total rules applied 6 place count 119 transition count 317
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 0 with 1 rules applied. Total rules applied 7 place count 119 transition count 316
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 8 place count 118 transition count 314
Iterating global reduction 1 with 1 rules applied. Total rules applied 9 place count 118 transition count 314
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 10 place count 117 transition count 311
Iterating global reduction 1 with 1 rules applied. Total rules applied 11 place count 117 transition count 311
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 12 place count 116 transition count 309
Iterating global reduction 1 with 1 rules applied. Total rules applied 13 place count 116 transition count 309
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 14 place count 115 transition count 306
Iterating global reduction 1 with 1 rules applied. Total rules applied 15 place count 115 transition count 306
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 16 place count 114 transition count 304
Iterating global reduction 1 with 1 rules applied. Total rules applied 17 place count 114 transition count 304
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 18 place count 113 transition count 301
Iterating global reduction 1 with 1 rules applied. Total rules applied 19 place count 113 transition count 301
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 20 place count 112 transition count 299
Iterating global reduction 1 with 1 rules applied. Total rules applied 21 place count 112 transition count 299
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 22 place count 111 transition count 296
Iterating global reduction 1 with 1 rules applied. Total rules applied 23 place count 111 transition count 296
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 24 place count 110 transition count 294
Iterating global reduction 1 with 1 rules applied. Total rules applied 25 place count 110 transition count 294
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 26 place count 109 transition count 292
Iterating global reduction 1 with 1 rules applied. Total rules applied 27 place count 109 transition count 292
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 28 place count 108 transition count 290
Iterating global reduction 1 with 1 rules applied. Total rules applied 29 place count 108 transition count 290
Applied a total of 29 rules in 20 ms. Remains 108 /122 variables (removed 14) and now considering 290/325 (removed 35) transitions.
[2026-05-26 14:25:18] [INFO ] Flow matrix only has 264 transitions (discarded 26 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-4988026135808721976.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-9079812880526368929.kers'
[2026-05-26 14:25:18] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-4988026135808721976.kers, --Pflows, --basisKERS=/tmp/petrispot-output-9079812880526368929.kers]
Normalized transition count is 263 out of 264 initially.
Culled 0 columns in 0 ms.
// Phase 1: matrix 263 rows 108 cols 883 entries
Finished phase 1 with 100 SingleSign rule and 0 generalized
[2026-05-26 14:25:18] [INFO ] Computed 8 invariants in 1 ms
Computed 8 P flows in 2 ms.
Exported basis to /tmp/petrispot-output-9079812880526368929.kers
Total runtime 2 ms.
[2026-05-26 14:25:18] [INFO ] Implicit Places using invariants in 134 ms returned []
[2026-05-26 14:25:18] [INFO ] Flow matrix only has 264 transitions (discarded 26 similar events)
[2026-05-26 14:25:18] [INFO ] Invariant cache hit.
[2026-05-26 14:25:19] [INFO ] State equation strengthened by 38 read => feed constraints.
[2026-05-26 14:25:19] [INFO ] Implicit Places using invariants and state equation in 311 ms returned []
Implicit Place search using SMT with State Equation took 449 ms to find 0 implicit places.
Running 289 sub problems to find dead transitions.
[2026-05-26 14:25:19] [INFO ] Flow matrix only has 264 transitions (discarded 26 similar events)
[2026-05-26 14:25:19] [INFO ] Invariant cache hit.
[2026-05-26 14:25:19] [INFO ] State equation strengthened by 38 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/107 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 289 unsolved
At refinement iteration 1 (OVERLAPS) 1/108 variables, 8/8 constraints. Problems are: Problem set: 0 solved, 289 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/108 variables, 7/15 constraints. Problems are: Problem set: 0 solved, 289 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/108 variables, 0/15 constraints. Problems are: Problem set: 0 solved, 289 unsolved
At refinement iteration 4 (OVERLAPS) 263/371 variables, 108/123 constraints. Problems are: Problem set: 0 solved, 289 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/371 variables, 37/160 constraints. Problems are: Problem set: 0 solved, 289 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/371 variables, 0/160 constraints. Problems are: Problem set: 0 solved, 289 unsolved
At refinement iteration 7 (OVERLAPS) 1/372 variables, 1/161 constraints. Problems are: Problem set: 0 solved, 289 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/372 variables, 0/161 constraints. Problems are: Problem set: 0 solved, 289 unsolved
At refinement iteration 9 (OVERLAPS) 0/372 variables, 0/161 constraints. Problems are: Problem set: 0 solved, 289 unsolved
No progress, stopping.
After SMT solving in domain Real declared 372/372 variables, and 161 constraints, problems are : Problem set: 0 solved, 289 unsolved in 22796 ms.
Refiners :[Positive P Invariants (semi-flows): 8/8 constraints, State Equation: 108/108 constraints, ReadFeed: 38/38 constraints, PredecessorRefiner: 289/289 constraints, Known Traps: 7/7 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 289 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/107 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 289 unsolved
At refinement iteration 1 (OVERLAPS) 1/108 variables, 8/8 constraints. Problems are: Problem set: 0 solved, 289 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/108 variables, 7/15 constraints. Problems are: Problem set: 0 solved, 289 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/108 variables, 0/15 constraints. Problems are: Problem set: 0 solved, 289 unsolved
At refinement iteration 4 (OVERLAPS) 263/371 variables, 108/123 constraints. Problems are: Problem set: 0 solved, 289 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/371 variables, 37/160 constraints. Problems are: Problem set: 0 solved, 289 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/371 variables, 289/449 constraints. Problems are: Problem set: 0 solved, 289 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 371/372 variables, and 449 constraints, problems are : Problem set: 0 solved, 289 unsolved in 30015 ms.
Refiners :[Positive P Invariants (semi-flows): 8/8 constraints, State Equation: 108/108 constraints, ReadFeed: 37/38 constraints, PredecessorRefiner: 289/289 constraints, Known Traps: 7/7 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 52894ms problems are : Problem set: 0 solved, 289 unsolved
Search for dead transitions found 0 dead transitions in 52895ms
Starting structural reductions in LTL mode, iteration 1 : 108/122 places, 290/325 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 53366 ms. Remains : 108/122 places, 290/325 transitions.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(((F(p0)&&G(p1)) U X(!p2)))'
Stuttering acceptance computed with spot in 263 ms :[p2, p2, (AND (NOT p0) p2), p2, true, (NOT p0), (NOT p1)]
Running random walk in product with property : FireWire-PT-08-LTLFireability-03
Product exploration explored 100000 steps with 50000 reset in 164 ms.
Product exploration explored 100000 steps with 50000 reset in 221 ms.
Computed a total of 10 stabilizing places and 17 stable transitions
Computed a total of 10 stabilizing places and 17 stable transitions
Property proved to be true by K+ with min(!phi)
Knowledge based reduction with 15 factoid took 26 ms. Proved property starting from automaton with 7 states, 13 edges and 3 AP (stutter sensitive
Knowledge-based reduction took 35 ms.
FORMULA FireWire-PT-08-LTLFireability-03 TRUE TECHNIQUES KNOWLEDGE
Treatment of property FireWire-PT-08-LTLFireability-03 finished in 54103 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(p1)))||p0))||G(p2))))'
Support contains 4 out of 122 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 122/122 places, 325/325 transitions.
Discarding 3 places :
Symmetric choice reduction at 0 with 3 rule applications. Total rules 3 place count 119 transition count 317
Iterating global reduction 0 with 3 rules applied. Total rules applied 6 place count 119 transition count 317
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 0 with 1 rules applied. Total rules applied 7 place count 119 transition count 316
Discarding 2 places :
Symmetric choice reduction at 1 with 2 rule applications. Total rules 9 place count 117 transition count 312
Iterating global reduction 1 with 2 rules applied. Total rules applied 11 place count 117 transition count 312
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 12 place count 116 transition count 309
Iterating global reduction 1 with 1 rules applied. Total rules applied 13 place count 116 transition count 309
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 14 place count 115 transition count 307
Iterating global reduction 1 with 1 rules applied. Total rules applied 15 place count 115 transition count 307
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 16 place count 114 transition count 304
Iterating global reduction 1 with 1 rules applied. Total rules applied 17 place count 114 transition count 304
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 18 place count 113 transition count 302
Iterating global reduction 1 with 1 rules applied. Total rules applied 19 place count 113 transition count 302
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 20 place count 112 transition count 299
Iterating global reduction 1 with 1 rules applied. Total rules applied 21 place count 112 transition count 299
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 22 place count 111 transition count 297
Iterating global reduction 1 with 1 rules applied. Total rules applied 23 place count 111 transition count 297
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 24 place count 110 transition count 294
Iterating global reduction 1 with 1 rules applied. Total rules applied 25 place count 110 transition count 294
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 26 place count 109 transition count 292
Iterating global reduction 1 with 1 rules applied. Total rules applied 27 place count 109 transition count 292
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 28 place count 108 transition count 290
Iterating global reduction 1 with 1 rules applied. Total rules applied 29 place count 108 transition count 290
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 30 place count 107 transition count 288
Iterating global reduction 1 with 1 rules applied. Total rules applied 31 place count 107 transition count 288
Applied a total of 31 rules in 38 ms. Remains 107 /122 variables (removed 15) and now considering 288/325 (removed 37) transitions.
[2026-05-26 14:26:12] [INFO ] Flow matrix only has 262 transitions (discarded 26 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-8492565678984749295.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-12944507487533220762.kers'
[2026-05-26 14:26:12] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-8492565678984749295.kers, --Pflows, --basisKERS=/tmp/petrispot-output-12944507487533220762.kers]
Normalized transition count is 261 out of 262 initially.
Culled 0 columns in 0 ms.
// Phase 1: matrix 261 rows 107 cols 875 entries
Finished phase 1 with 99 SingleSign rule and 0 generalized
[2026-05-26 14:26:12] [INFO ] Computed 8 invariants in 2 ms
Computed 8 P flows in 2 ms.
Exported basis to /tmp/petrispot-output-12944507487533220762.kers
Total runtime 3 ms.
[2026-05-26 14:26:13] [INFO ] Implicit Places using invariants in 178 ms returned []
[2026-05-26 14:26:13] [INFO ] Flow matrix only has 262 transitions (discarded 26 similar events)
[2026-05-26 14:26:13] [INFO ] Invariant cache hit.
[2026-05-26 14:26:13] [INFO ] State equation strengthened by 38 read => feed constraints.
[2026-05-26 14:26:13] [INFO ] Implicit Places using invariants and state equation in 415 ms returned []
Implicit Place search using SMT with State Equation took 595 ms to find 0 implicit places.
Running 287 sub problems to find dead transitions.
[2026-05-26 14:26:13] [INFO ] Flow matrix only has 262 transitions (discarded 26 similar events)
[2026-05-26 14:26:13] [INFO ] Invariant cache hit.
[2026-05-26 14:26:13] [INFO ] State equation strengthened by 38 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/106 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 287 unsolved
At refinement iteration 1 (OVERLAPS) 1/107 variables, 8/8 constraints. Problems are: Problem set: 0 solved, 287 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/107 variables, 6/14 constraints. Problems are: Problem set: 0 solved, 287 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/107 variables, 0/14 constraints. Problems are: Problem set: 0 solved, 287 unsolved
At refinement iteration 4 (OVERLAPS) 261/368 variables, 107/121 constraints. Problems are: Problem set: 0 solved, 287 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/368 variables, 37/158 constraints. Problems are: Problem set: 0 solved, 287 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/368 variables, 0/158 constraints. Problems are: Problem set: 0 solved, 287 unsolved
At refinement iteration 7 (OVERLAPS) 1/369 variables, 1/159 constraints. Problems are: Problem set: 0 solved, 287 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/369 variables, 0/159 constraints. Problems are: Problem set: 0 solved, 287 unsolved
At refinement iteration 9 (OVERLAPS) 0/369 variables, 0/159 constraints. Problems are: Problem set: 0 solved, 287 unsolved
No progress, stopping.
After SMT solving in domain Real declared 369/369 variables, and 159 constraints, problems are : Problem set: 0 solved, 287 unsolved in 27544 ms.
Refiners :[Positive P Invariants (semi-flows): 8/8 constraints, State Equation: 107/107 constraints, ReadFeed: 38/38 constraints, PredecessorRefiner: 287/287 constraints, Known Traps: 6/6 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 287 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/106 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 287 unsolved
At refinement iteration 1 (OVERLAPS) 1/107 variables, 8/8 constraints. Problems are: Problem set: 0 solved, 287 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/107 variables, 6/14 constraints. Problems are: Problem set: 0 solved, 287 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/107 variables, 0/14 constraints. Problems are: Problem set: 0 solved, 287 unsolved
At refinement iteration 4 (OVERLAPS) 261/368 variables, 107/121 constraints. Problems are: Problem set: 0 solved, 287 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/368 variables, 37/158 constraints. Problems are: Problem set: 0 solved, 287 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/368 variables, 287/445 constraints. Problems are: Problem set: 0 solved, 287 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/368 variables, 0/445 constraints. Problems are: Problem set: 0 solved, 287 unsolved
SMT process timed out in 57653ms, After SMT, problems are : Problem set: 0 solved, 287 unsolved
Search for dead transitions found 0 dead transitions in 57655ms
Starting structural reductions in LTL mode, iteration 1 : 107/122 places, 288/325 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 58290 ms. Remains : 107/122 places, 288/325 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(p1)))||p0))||G(p2))))'
Stuttering acceptance computed with spot in 526 ms :[(AND (NOT p0) (NOT p1)), (NOT p1), (AND (NOT p0) (NOT p1) (NOT p2)), (AND (NOT p0) (NOT p1) (NOT p2)), (AND (NOT p1) (NOT p0) (NOT p2)), (AND (NOT p1) (NOT p2)), (AND (NOT p2) (NOT p1)), (NOT p1), (AND (NOT p1) (NOT p2)), (NOT p2), true, (NOT p1)]
Running random walk in product with property : FireWire-PT-08-LTLFireability-04
Product exploration explored 100000 steps with 33333 reset in 207 ms.
Product exploration explored 100000 steps with 33333 reset in 176 ms.
Computed a total of 10 stabilizing places and 17 stable transitions
Computed a total of 10 stabilizing places and 17 stable transitions
Knowledge based reduction with 6 factoid took 58 ms. Proved property starting from automaton with 12 states, 18 edges and 3 AP (stutter sensitive
Knowledge-based reduction took 62 ms.
FORMULA FireWire-PT-08-LTLFireability-04 TRUE TECHNIQUES KNOWLEDGE
Treatment of property FireWire-PT-08-LTLFireability-04 finished in 59307 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 U (G(!p1)||(!p1&&G(!p2))))))) U p3))'
Support contains 7 out of 122 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 122/122 places, 325/325 transitions.
Discarding 2 places :
Symmetric choice reduction at 0 with 2 rule applications. Total rules 2 place count 120 transition count 320
Iterating global reduction 0 with 2 rules applied. Total rules applied 4 place count 120 transition count 320
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 0 with 1 rules applied. Total rules applied 5 place count 120 transition count 319
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 6 place count 119 transition count 317
Iterating global reduction 1 with 1 rules applied. Total rules applied 7 place count 119 transition count 317
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 1 with 2 rules applied. Total rules applied 9 place count 118 transition count 316
Performed 2 Post agglomeration using F-continuation condition.Transition count delta: -4
Deduced a syphon composed of 2 places in 0 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 1 with 4 rules applied. Total rules applied 13 place count 116 transition count 320
Drop transitions (Redundant composition of simpler transitions.) removed 4 transitions
Redundant transition composition rules discarded 4 transitions
Iterating global reduction 1 with 4 rules applied. Total rules applied 17 place count 116 transition count 316
Applied a total of 17 rules in 30 ms. Remains 116 /122 variables (removed 6) and now considering 316/325 (removed 9) transitions.
[2026-05-26 14:27:12] [INFO ] Flow matrix only has 286 transitions (discarded 30 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-8499108836532445885.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-6933403571278766841.kers'
[2026-05-26 14:27:12] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-8499108836532445885.kers, --Pflows, --basisKERS=/tmp/petrispot-output-6933403571278766841.kers]
Normalized transition count is 285 out of 286 initially.
Culled 0 columns in 0 ms.
// Phase 1: matrix 285 rows 116 cols 967 entries
Finished phase 1 with 108 SingleSign rule and 0 generalized
[2026-05-26 14:27:12] [INFO ] Computed 8 invariants in 1 ms
Computed 8 P flows in 1 ms.
Exported basis to /tmp/petrispot-output-6933403571278766841.kers
Total runtime 2 ms.
[2026-05-26 14:27:12] [INFO ] Implicit Places using invariants in 170 ms returned []
[2026-05-26 14:27:12] [INFO ] Flow matrix only has 286 transitions (discarded 30 similar events)
[2026-05-26 14:27:12] [INFO ] Invariant cache hit.
[2026-05-26 14:27:12] [INFO ] State equation strengthened by 45 read => feed constraints.
[2026-05-26 14:27:12] [INFO ] Implicit Places using invariants and state equation in 390 ms returned []
Implicit Place search using SMT with State Equation took 562 ms to find 0 implicit places.
[2026-05-26 14:27:12] [INFO ] Redundant transitions in 5 ms returned []
Running 315 sub problems to find dead transitions.
[2026-05-26 14:27:12] [INFO ] Flow matrix only has 286 transitions (discarded 30 similar events)
[2026-05-26 14:27:12] [INFO ] Invariant cache hit.
[2026-05-26 14:27:12] [INFO ] State equation strengthened by 45 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/115 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 315 unsolved
At refinement iteration 1 (OVERLAPS) 1/116 variables, 8/8 constraints. Problems are: Problem set: 0 solved, 315 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/116 variables, 7/15 constraints. Problems are: Problem set: 0 solved, 315 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/116 variables, 0/15 constraints. Problems are: Problem set: 0 solved, 315 unsolved
At refinement iteration 4 (OVERLAPS) 285/401 variables, 116/131 constraints. Problems are: Problem set: 0 solved, 315 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/401 variables, 44/175 constraints. Problems are: Problem set: 0 solved, 315 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/401 variables, 0/175 constraints. Problems are: Problem set: 0 solved, 315 unsolved
At refinement iteration 7 (OVERLAPS) 1/402 variables, 1/176 constraints. Problems are: Problem set: 0 solved, 315 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/402 variables, 0/176 constraints. Problems are: Problem set: 0 solved, 315 unsolved
At refinement iteration 9 (OVERLAPS) 0/402 variables, 0/176 constraints. Problems are: Problem set: 0 solved, 315 unsolved
No progress, stopping.
After SMT solving in domain Real declared 402/402 variables, and 176 constraints, problems are : Problem set: 0 solved, 315 unsolved in 26300 ms.
Refiners :[Positive P Invariants (semi-flows): 8/8 constraints, State Equation: 116/116 constraints, ReadFeed: 45/45 constraints, PredecessorRefiner: 315/315 constraints, Known Traps: 7/7 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 315 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/115 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 315 unsolved
At refinement iteration 1 (OVERLAPS) 1/116 variables, 8/8 constraints. Problems are: Problem set: 0 solved, 315 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/116 variables, 7/15 constraints. Problems are: Problem set: 0 solved, 315 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/116 variables, 0/15 constraints. Problems are: Problem set: 0 solved, 315 unsolved
At refinement iteration 4 (OVERLAPS) 285/401 variables, 116/131 constraints. Problems are: Problem set: 0 solved, 315 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/401 variables, 44/175 constraints. Problems are: Problem set: 0 solved, 315 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/401 variables, 315/490 constraints. Problems are: Problem set: 0 solved, 315 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 401/402 variables, and 490 constraints, problems are : Problem set: 0 solved, 315 unsolved in 30019 ms.
Refiners :[Positive P Invariants (semi-flows): 8/8 constraints, State Equation: 116/116 constraints, ReadFeed: 44/45 constraints, PredecessorRefiner: 315/315 constraints, Known Traps: 7/7 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 56395ms problems are : Problem set: 0 solved, 315 unsolved
Search for dead transitions found 0 dead transitions in 56396ms
Starting structural reductions in SI_LTL mode, iteration 1 : 116/122 places, 316/325 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 57001 ms. Remains : 116/122 places, 316/325 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 U (G(!p1)||(!p1&&G(!p2))))))) U p3))'
Stuttering acceptance computed with spot in 245 ms :[(NOT p3), (AND p0 p1), (AND p2 p1 p0), (AND p0 p1)]
Running random walk in product with property : FireWire-PT-08-LTLFireability-06
Stuttering criterion allowed to conclude after 25 steps with 1 reset in 0 ms.
FORMULA FireWire-PT-08-LTLFireability-06 FALSE TECHNIQUES STUTTER_TEST
Treatment of property FireWire-PT-08-LTLFireability-06 finished in 57322 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&&X(X(p0)))))&&(F(p1) U p2)))'
Support contains 5 out of 122 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 122/122 places, 325/325 transitions.
Discarding 3 places :
Symmetric choice reduction at 0 with 3 rule applications. Total rules 3 place count 119 transition count 317
Iterating global reduction 0 with 3 rules applied. Total rules applied 6 place count 119 transition count 317
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 0 with 1 rules applied. Total rules applied 7 place count 119 transition count 316
Discarding 2 places :
Symmetric choice reduction at 1 with 2 rule applications. Total rules 9 place count 117 transition count 312
Iterating global reduction 1 with 2 rules applied. Total rules applied 11 place count 117 transition count 312
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 12 place count 116 transition count 309
Iterating global reduction 1 with 1 rules applied. Total rules applied 13 place count 116 transition count 309
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 14 place count 115 transition count 307
Iterating global reduction 1 with 1 rules applied. Total rules applied 15 place count 115 transition count 307
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 16 place count 114 transition count 304
Iterating global reduction 1 with 1 rules applied. Total rules applied 17 place count 114 transition count 304
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 18 place count 113 transition count 302
Iterating global reduction 1 with 1 rules applied. Total rules applied 19 place count 113 transition count 302
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 20 place count 112 transition count 299
Iterating global reduction 1 with 1 rules applied. Total rules applied 21 place count 112 transition count 299
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 22 place count 111 transition count 297
Iterating global reduction 1 with 1 rules applied. Total rules applied 23 place count 111 transition count 297
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 24 place count 110 transition count 294
Iterating global reduction 1 with 1 rules applied. Total rules applied 25 place count 110 transition count 294
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 26 place count 109 transition count 292
Iterating global reduction 1 with 1 rules applied. Total rules applied 27 place count 109 transition count 292
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 28 place count 108 transition count 290
Iterating global reduction 1 with 1 rules applied. Total rules applied 29 place count 108 transition count 290
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 30 place count 107 transition count 288
Iterating global reduction 1 with 1 rules applied. Total rules applied 31 place count 107 transition count 288
Applied a total of 31 rules in 18 ms. Remains 107 /122 variables (removed 15) and now considering 288/325 (removed 37) transitions.
[2026-05-26 14:28:09] [INFO ] Flow matrix only has 262 transitions (discarded 26 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-2785573776718497819.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-13374774823597824270.kers'
[2026-05-26 14:28:09] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-2785573776718497819.kers, --Pflows, --basisKERS=/tmp/petrispot-output-13374774823597824270.kers]
Normalized transition count is 261 out of 262 initially.
Culled 0 columns in 0 ms.
// Phase 1: matrix 261 rows 107 cols 875 entries
Finished phase 1 with 99 SingleSign rule and 0 generalized
[2026-05-26 14:28:09] [INFO ] Computed 8 invariants in 1 ms
Computed 8 P flows in 2 ms.
Exported basis to /tmp/petrispot-output-13374774823597824270.kers
Total runtime 2 ms.
[2026-05-26 14:28:09] [INFO ] Implicit Places using invariants in 171 ms returned []
[2026-05-26 14:28:09] [INFO ] Flow matrix only has 262 transitions (discarded 26 similar events)
[2026-05-26 14:28:09] [INFO ] Invariant cache hit.
[2026-05-26 14:28:09] [INFO ] State equation strengthened by 38 read => feed constraints.
[2026-05-26 14:28:10] [INFO ] Implicit Places using invariants and state equation in 390 ms returned []
Implicit Place search using SMT with State Equation took 563 ms to find 0 implicit places.
Running 287 sub problems to find dead transitions.
[2026-05-26 14:28:10] [INFO ] Flow matrix only has 262 transitions (discarded 26 similar events)
[2026-05-26 14:28:10] [INFO ] Invariant cache hit.
[2026-05-26 14:28:10] [INFO ] State equation strengthened by 38 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/106 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 287 unsolved
At refinement iteration 1 (OVERLAPS) 1/107 variables, 8/8 constraints. Problems are: Problem set: 0 solved, 287 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/107 variables, 6/14 constraints. Problems are: Problem set: 0 solved, 287 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/107 variables, 0/14 constraints. Problems are: Problem set: 0 solved, 287 unsolved
At refinement iteration 4 (OVERLAPS) 261/368 variables, 107/121 constraints. Problems are: Problem set: 0 solved, 287 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/368 variables, 37/158 constraints. Problems are: Problem set: 0 solved, 287 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/368 variables, 0/158 constraints. Problems are: Problem set: 0 solved, 287 unsolved
At refinement iteration 7 (OVERLAPS) 1/369 variables, 1/159 constraints. Problems are: Problem set: 0 solved, 287 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/369 variables, 0/159 constraints. Problems are: Problem set: 0 solved, 287 unsolved
At refinement iteration 9 (OVERLAPS) 0/369 variables, 0/159 constraints. Problems are: Problem set: 0 solved, 287 unsolved
No progress, stopping.
After SMT solving in domain Real declared 369/369 variables, and 159 constraints, problems are : Problem set: 0 solved, 287 unsolved in 29531 ms.
Refiners :[Positive P Invariants (semi-flows): 8/8 constraints, State Equation: 107/107 constraints, ReadFeed: 38/38 constraints, PredecessorRefiner: 287/287 constraints, Known Traps: 6/6 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 287 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/106 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 287 unsolved
At refinement iteration 1 (OVERLAPS) 1/107 variables, 8/8 constraints. Problems are: Problem set: 0 solved, 287 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/107 variables, 6/14 constraints. Problems are: Problem set: 0 solved, 287 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/107 variables, 0/14 constraints. Problems are: Problem set: 0 solved, 287 unsolved
At refinement iteration 4 (OVERLAPS) 261/368 variables, 107/121 constraints. Problems are: Problem set: 0 solved, 287 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/368 variables, 37/158 constraints. Problems are: Problem set: 0 solved, 287 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/368 variables, 287/445 constraints. Problems are: Problem set: 0 solved, 287 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 368/369 variables, and 445 constraints, problems are : Problem set: 0 solved, 287 unsolved in 30017 ms.
Refiners :[Positive P Invariants (semi-flows): 8/8 constraints, State Equation: 107/107 constraints, ReadFeed: 37/38 constraints, PredecessorRefiner: 287/287 constraints, Known Traps: 6/6 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 59655ms problems are : Problem set: 0 solved, 287 unsolved
Search for dead transitions found 0 dead transitions in 59657ms
Starting structural reductions in LTL mode, iteration 1 : 107/122 places, 288/325 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 60240 ms. Remains : 107/122 places, 288/325 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&&X(X(p0)))))&&(F(p1) U p2)))'
Stuttering acceptance computed with spot in 342 ms :[(OR (NOT p2) (NOT p0)), (NOT p0), (NOT p1), (NOT p2), (NOT p0), true, (NOT p0), (NOT p0)]
Running random walk in product with property : FireWire-PT-08-LTLFireability-07
Stuttering criterion allowed to conclude after 1 steps with 0 reset in 0 ms.
FORMULA FireWire-PT-08-LTLFireability-07 FALSE TECHNIQUES STUTTER_TEST
Treatment of property FireWire-PT-08-LTLFireability-07 finished in 60632 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(F((p0||X(F(p1))))))))'
Support contains 4 out of 122 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 122/122 places, 325/325 transitions.
Discarding 2 places :
Symmetric choice reduction at 0 with 2 rule applications. Total rules 2 place count 120 transition count 319
Iterating global reduction 0 with 2 rules applied. Total rules applied 4 place count 120 transition count 319
Discarding 2 places :
Symmetric choice reduction at 0 with 2 rule applications. Total rules 6 place count 118 transition count 315
Iterating global reduction 0 with 2 rules applied. Total rules applied 8 place count 118 transition count 315
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 9 place count 117 transition count 312
Iterating global reduction 0 with 1 rules applied. Total rules applied 10 place count 117 transition count 312
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 11 place count 116 transition count 310
Iterating global reduction 0 with 1 rules applied. Total rules applied 12 place count 116 transition count 310
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 13 place count 115 transition count 307
Iterating global reduction 0 with 1 rules applied. Total rules applied 14 place count 115 transition count 307
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 15 place count 114 transition count 305
Iterating global reduction 0 with 1 rules applied. Total rules applied 16 place count 114 transition count 305
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 17 place count 113 transition count 302
Iterating global reduction 0 with 1 rules applied. Total rules applied 18 place count 113 transition count 302
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 19 place count 112 transition count 300
Iterating global reduction 0 with 1 rules applied. Total rules applied 20 place count 112 transition count 300
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 21 place count 111 transition count 297
Iterating global reduction 0 with 1 rules applied. Total rules applied 22 place count 111 transition count 297
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 23 place count 110 transition count 295
Iterating global reduction 0 with 1 rules applied. Total rules applied 24 place count 110 transition count 295
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 25 place count 109 transition count 293
Iterating global reduction 0 with 1 rules applied. Total rules applied 26 place count 109 transition count 293
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 27 place count 108 transition count 291
Iterating global reduction 0 with 1 rules applied. Total rules applied 28 place count 108 transition count 291
Applied a total of 28 rules in 21 ms. Remains 108 /122 variables (removed 14) and now considering 291/325 (removed 34) transitions.
[2026-05-26 14:29:10] [INFO ] Flow matrix only has 265 transitions (discarded 26 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-7510172372015653619.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-7267603916446953879.kers'
[2026-05-26 14:29:10] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-7510172372015653619.kers, --Pflows, --basisKERS=/tmp/petrispot-output-7267603916446953879.kers]
Normalized transition count is 264 out of 265 initially.
Culled 0 columns in 0 ms.
// Phase 1: matrix 264 rows 108 cols 887 entries
Finished phase 1 with 100 SingleSign rule and 0 generalized
[2026-05-26 14:29:10] [INFO ] Computed 8 invariants in 1 ms
Computed 8 P flows in 2 ms.
Exported basis to /tmp/petrispot-output-7267603916446953879.kers
Total runtime 2 ms.
[2026-05-26 14:29:10] [INFO ] Implicit Places using invariants in 175 ms returned []
[2026-05-26 14:29:10] [INFO ] Flow matrix only has 265 transitions (discarded 26 similar events)
[2026-05-26 14:29:10] [INFO ] Invariant cache hit.
[2026-05-26 14:29:10] [INFO ] State equation strengthened by 38 read => feed constraints.
[2026-05-26 14:29:10] [INFO ] Implicit Places using invariants and state equation in 356 ms returned []
Implicit Place search using SMT with State Equation took 534 ms to find 0 implicit places.
Running 290 sub problems to find dead transitions.
[2026-05-26 14:29:10] [INFO ] Flow matrix only has 265 transitions (discarded 26 similar events)
[2026-05-26 14:29:10] [INFO ] Invariant cache hit.
[2026-05-26 14:29:10] [INFO ] State equation strengthened by 38 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/107 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 290 unsolved
At refinement iteration 1 (OVERLAPS) 1/108 variables, 8/8 constraints. Problems are: Problem set: 0 solved, 290 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/108 variables, 6/14 constraints. Problems are: Problem set: 0 solved, 290 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/108 variables, 1/15 constraints. Problems are: Problem set: 0 solved, 290 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/108 variables, 0/15 constraints. Problems are: Problem set: 0 solved, 290 unsolved
At refinement iteration 5 (OVERLAPS) 264/372 variables, 108/123 constraints. Problems are: Problem set: 0 solved, 290 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/372 variables, 37/160 constraints. Problems are: Problem set: 0 solved, 290 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/372 variables, 0/160 constraints. Problems are: Problem set: 0 solved, 290 unsolved
At refinement iteration 8 (OVERLAPS) 1/373 variables, 1/161 constraints. Problems are: Problem set: 0 solved, 290 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/373 variables, 0/161 constraints. Problems are: Problem set: 0 solved, 290 unsolved
At refinement iteration 10 (OVERLAPS) 0/373 variables, 0/161 constraints. Problems are: Problem set: 0 solved, 290 unsolved
No progress, stopping.
After SMT solving in domain Real declared 373/373 variables, and 161 constraints, problems are : Problem set: 0 solved, 290 unsolved in 22755 ms.
Refiners :[Positive P Invariants (semi-flows): 8/8 constraints, State Equation: 108/108 constraints, ReadFeed: 38/38 constraints, PredecessorRefiner: 290/290 constraints, Known Traps: 7/7 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 290 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/107 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 290 unsolved
At refinement iteration 1 (OVERLAPS) 1/108 variables, 8/8 constraints. Problems are: Problem set: 0 solved, 290 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/108 variables, 7/15 constraints. Problems are: Problem set: 0 solved, 290 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/108 variables, 0/15 constraints. Problems are: Problem set: 0 solved, 290 unsolved
At refinement iteration 4 (OVERLAPS) 264/372 variables, 108/123 constraints. Problems are: Problem set: 0 solved, 290 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/372 variables, 37/160 constraints. Problems are: Problem set: 0 solved, 290 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/372 variables, 290/450 constraints. Problems are: Problem set: 0 solved, 290 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/372 variables, 0/450 constraints. Problems are: Problem set: 0 solved, 290 unsolved
At refinement iteration 8 (OVERLAPS) 1/373 variables, 1/451 constraints. Problems are: Problem set: 0 solved, 290 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 373/373 variables, and 451 constraints, problems are : Problem set: 0 solved, 290 unsolved in 30020 ms.
Refiners :[Positive P Invariants (semi-flows): 8/8 constraints, State Equation: 108/108 constraints, ReadFeed: 38/38 constraints, PredecessorRefiner: 290/290 constraints, Known Traps: 7/7 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 52848ms problems are : Problem set: 0 solved, 290 unsolved
Search for dead transitions found 0 dead transitions in 52849ms
Starting structural reductions in LTL mode, iteration 1 : 108/122 places, 291/325 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 53406 ms. Remains : 108/122 places, 291/325 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(F((X(F(p0))||p1))))))'
Stuttering acceptance computed with spot in 258 ms :[(AND (NOT p1) (NOT p0)), (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 : FireWire-PT-08-LTLFireability-08
Stuttering criterion allowed to conclude after 1 steps with 0 reset in 0 ms.
FORMULA FireWire-PT-08-LTLFireability-08 FALSE TECHNIQUES STUTTER_TEST
Treatment of property FireWire-PT-08-LTLFireability-08 finished in 53708 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 4 out of 122 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 122/122 places, 325/325 transitions.
Reduce places removed 1 places and 1 transitions.
Discarding 3 places :
Symmetric choice reduction at 0 with 3 rule applications. Total rules 3 place count 118 transition count 316
Iterating global reduction 0 with 3 rules applied. Total rules applied 6 place count 118 transition count 316
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 0 with 1 rules applied. Total rules applied 7 place count 118 transition count 315
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 8 place count 117 transition count 313
Iterating global reduction 1 with 1 rules applied. Total rules applied 9 place count 117 transition count 313
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 1 with 2 rules applied. Total rules applied 11 place count 116 transition count 312
Performed 3 Post agglomeration using F-continuation condition.Transition count delta: -6
Deduced a syphon composed of 3 places in 0 ms
Reduce places removed 3 places and 0 transitions.
Iterating global reduction 1 with 6 rules applied. Total rules applied 17 place count 113 transition count 318
Drop transitions (Redundant composition of simpler transitions.) removed 6 transitions
Redundant transition composition rules discarded 6 transitions
Iterating global reduction 1 with 6 rules applied. Total rules applied 23 place count 113 transition count 312
Applied a total of 23 rules in 43 ms. Remains 113 /122 variables (removed 9) and now considering 312/325 (removed 13) transitions.
[2026-05-26 14:30:03] [INFO ] Flow matrix only has 279 transitions (discarded 33 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-3321805239420945631.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-1073543317968442193.kers'
[2026-05-26 14:30:03] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-3321805239420945631.kers, --Pflows, --basisKERS=/tmp/petrispot-output-1073543317968442193.kers]
Normalized transition count is 278 out of 279 initially.
Culling duplicate invariants (modulo rational): removing 2 columns.
Culled 2 columns in 0 ms.
// Phase 1: matrix 278 rows 111 cols 931 entries
Finished phase 1 with 105 SingleSign rule and 0 generalized
[2026-05-26 14:30:03] [INFO ] Computed 8 invariants in 2 ms
Computed 8 P flows in 3 ms.
Exported basis to /tmp/petrispot-output-1073543317968442193.kers
Total runtime 4 ms.
[2026-05-26 14:30:04] [INFO ] Implicit Places using invariants in 197 ms returned []
[2026-05-26 14:30:04] [INFO ] Flow matrix only has 279 transitions (discarded 33 similar events)
[2026-05-26 14:30:04] [INFO ] Invariant cache hit.
[2026-05-26 14:30:04] [INFO ] State equation strengthened by 42 read => feed constraints.
[2026-05-26 14:30:04] [INFO ] Implicit Places using invariants and state equation in 445 ms returned []
Implicit Place search using SMT with State Equation took 644 ms to find 0 implicit places.
[2026-05-26 14:30:04] [INFO ] Redundant transitions in 8 ms returned []
Running 309 sub problems to find dead transitions.
[2026-05-26 14:30:04] [INFO ] Flow matrix only has 279 transitions (discarded 33 similar events)
[2026-05-26 14:30:04] [INFO ] Invariant cache hit.
[2026-05-26 14:30:04] [INFO ] State equation strengthened by 42 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/112 variables, 8/8 constraints. Problems are: Problem set: 0 solved, 309 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/112 variables, 8/16 constraints. Problems are: Problem set: 0 solved, 309 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/112 variables, 0/16 constraints. Problems are: Problem set: 0 solved, 309 unsolved
At refinement iteration 3 (OVERLAPS) 278/390 variables, 112/128 constraints. Problems are: Problem set: 0 solved, 309 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/390 variables, 42/170 constraints. Problems are: Problem set: 0 solved, 309 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/390 variables, 1/171 constraints. Problems are: Problem set: 0 solved, 309 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/390 variables, 0/171 constraints. Problems are: Problem set: 0 solved, 309 unsolved
At refinement iteration 7 (OVERLAPS) 1/391 variables, 1/172 constraints. Problems are: Problem set: 0 solved, 309 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/391 variables, 0/172 constraints. Problems are: Problem set: 0 solved, 309 unsolved
Error getting values : (error "Timeout of Z3 solver reached")
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 391/392 variables, and 172 constraints, problems are : Problem set: 0 solved, 309 unsolved in 30018 ms.
Refiners :[Positive P Invariants (semi-flows): 8/8 constraints, State Equation: 113/113 constraints, ReadFeed: 42/42 constraints, PredecessorRefiner: 309/309 constraints, Known Traps: 9/9 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 309 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/112 variables, 8/8 constraints. Problems are: Problem set: 0 solved, 309 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/112 variables, 9/17 constraints. Problems are: Problem set: 0 solved, 309 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/112 variables, 0/17 constraints. Problems are: Problem set: 0 solved, 309 unsolved
At refinement iteration 3 (OVERLAPS) 278/390 variables, 112/129 constraints. Problems are: Problem set: 0 solved, 309 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/390 variables, 42/171 constraints. Problems are: Problem set: 0 solved, 309 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/390 variables, 309/480 constraints. Problems are: Problem set: 0 solved, 309 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/390 variables, 0/480 constraints. Problems are: Problem set: 0 solved, 309 unsolved
At refinement iteration 7 (OVERLAPS) 1/391 variables, 1/481 constraints. Problems are: Problem set: 0 solved, 309 unsolved
Error getting values : (error "Timeout of Z3 solver reached")
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 391/392 variables, and 481 constraints, problems are : Problem set: 0 solved, 309 unsolved in 30021 ms.
Refiners :[Positive P Invariants (semi-flows): 8/8 constraints, State Equation: 113/113 constraints, ReadFeed: 42/42 constraints, PredecessorRefiner: 309/309 constraints, Known Traps: 9/9 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60178ms problems are : Problem set: 0 solved, 309 unsolved
Search for dead transitions found 0 dead transitions in 60180ms
Starting structural reductions in SI_LTL mode, iteration 1 : 113/122 places, 312/325 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 60885 ms. Remains : 113/122 places, 312/325 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 56 ms :[(NOT p0)]
Running random walk in product with property : FireWire-PT-08-LTLFireability-10
Stuttering criterion allowed to conclude after 0 steps with 0 reset in 0 ms.
FORMULA FireWire-PT-08-LTLFireability-10 FALSE TECHNIQUES STUTTER_TEST
Treatment of property FireWire-PT-08-LTLFireability-10 finished in 60984 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((!p0&&F(G(!p1)))))&&(!p2 U (p3||G(!p2))))) U ((!p1&&X((X(X((!p0&&F(G(!p1)))))&&(!p2 U (p3||G(!p2))))))||X(G((X(X((!p0&&F(G(!p1)))))&&(!p2 U (p3||G(!p2)))))))))'
Support contains 7 out of 122 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 122/122 places, 325/325 transitions.
Discarding 3 places :
Symmetric choice reduction at 0 with 3 rule applications. Total rules 3 place count 119 transition count 317
Iterating global reduction 0 with 3 rules applied. Total rules applied 6 place count 119 transition count 317
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 0 with 1 rules applied. Total rules applied 7 place count 119 transition count 316
Discarding 2 places :
Symmetric choice reduction at 1 with 2 rule applications. Total rules 9 place count 117 transition count 312
Iterating global reduction 1 with 2 rules applied. Total rules applied 11 place count 117 transition count 312
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 12 place count 116 transition count 309
Iterating global reduction 1 with 1 rules applied. Total rules applied 13 place count 116 transition count 309
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 14 place count 115 transition count 307
Iterating global reduction 1 with 1 rules applied. Total rules applied 15 place count 115 transition count 307
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 16 place count 114 transition count 304
Iterating global reduction 1 with 1 rules applied. Total rules applied 17 place count 114 transition count 304
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 18 place count 113 transition count 302
Iterating global reduction 1 with 1 rules applied. Total rules applied 19 place count 113 transition count 302
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 20 place count 112 transition count 299
Iterating global reduction 1 with 1 rules applied. Total rules applied 21 place count 112 transition count 299
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 22 place count 111 transition count 297
Iterating global reduction 1 with 1 rules applied. Total rules applied 23 place count 111 transition count 297
Applied a total of 23 rules in 13 ms. Remains 111 /122 variables (removed 11) and now considering 297/325 (removed 28) transitions.
[2026-05-26 14:31:04] [INFO ] Flow matrix only has 271 transitions (discarded 26 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-13734629091923678516.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-1208579575852775687.kers'
[2026-05-26 14:31:04] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-13734629091923678516.kers, --Pflows, --basisKERS=/tmp/petrispot-output-1208579575852775687.kers]
Normalized transition count is 270 out of 271 initially.
Culled 0 columns in 0 ms.
// Phase 1: matrix 270 rows 111 cols 909 entries
Finished phase 1 with 103 SingleSign rule and 0 generalized
[2026-05-26 14:31:04] [INFO ] Computed 8 invariants in 2 ms
Computed 8 P flows in 2 ms.
Exported basis to /tmp/petrispot-output-1208579575852775687.kers
Total runtime 3 ms.
[2026-05-26 14:31:04] [INFO ] Implicit Places using invariants in 174 ms returned []
[2026-05-26 14:31:04] [INFO ] Flow matrix only has 271 transitions (discarded 26 similar events)
[2026-05-26 14:31:04] [INFO ] Invariant cache hit.
[2026-05-26 14:31:05] [INFO ] State equation strengthened by 39 read => feed constraints.
[2026-05-26 14:31:05] [INFO ] Implicit Places using invariants and state equation in 384 ms returned []
Implicit Place search using SMT with State Equation took 560 ms to find 0 implicit places.
Running 296 sub problems to find dead transitions.
[2026-05-26 14:31:05] [INFO ] Flow matrix only has 271 transitions (discarded 26 similar events)
[2026-05-26 14:31:05] [INFO ] Invariant cache hit.
[2026-05-26 14:31:05] [INFO ] State equation strengthened by 39 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/110 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 296 unsolved
At refinement iteration 1 (OVERLAPS) 1/111 variables, 8/8 constraints. Problems are: Problem set: 0 solved, 296 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/111 variables, 7/15 constraints. Problems are: Problem set: 0 solved, 296 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/111 variables, 0/15 constraints. Problems are: Problem set: 0 solved, 296 unsolved
At refinement iteration 4 (OVERLAPS) 270/381 variables, 111/126 constraints. Problems are: Problem set: 0 solved, 296 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/381 variables, 38/164 constraints. Problems are: Problem set: 0 solved, 296 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/381 variables, 0/164 constraints. Problems are: Problem set: 0 solved, 296 unsolved
At refinement iteration 7 (OVERLAPS) 1/382 variables, 1/165 constraints. Problems are: Problem set: 0 solved, 296 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/382 variables, 0/165 constraints. Problems are: Problem set: 0 solved, 296 unsolved
At refinement iteration 9 (OVERLAPS) 0/382 variables, 0/165 constraints. Problems are: Problem set: 0 solved, 296 unsolved
No progress, stopping.
After SMT solving in domain Real declared 382/382 variables, and 165 constraints, problems are : Problem set: 0 solved, 296 unsolved in 24708 ms.
Refiners :[Positive P Invariants (semi-flows): 8/8 constraints, State Equation: 111/111 constraints, ReadFeed: 39/39 constraints, PredecessorRefiner: 296/296 constraints, Known Traps: 7/7 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 296 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/110 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 296 unsolved
At refinement iteration 1 (OVERLAPS) 1/111 variables, 8/8 constraints. Problems are: Problem set: 0 solved, 296 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/111 variables, 7/15 constraints. Problems are: Problem set: 0 solved, 296 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/111 variables, 0/15 constraints. Problems are: Problem set: 0 solved, 296 unsolved
At refinement iteration 4 (OVERLAPS) 270/381 variables, 111/126 constraints. Problems are: Problem set: 0 solved, 296 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/381 variables, 38/164 constraints. Problems are: Problem set: 0 solved, 296 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/381 variables, 296/460 constraints. Problems are: Problem set: 0 solved, 296 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/381 variables, 0/460 constraints. Problems are: Problem set: 0 solved, 296 unsolved
SMT process timed out in 54826ms, After SMT, problems are : Problem set: 0 solved, 296 unsolved
Search for dead transitions found 0 dead transitions in 54828ms
Starting structural reductions in LTL mode, iteration 1 : 111/122 places, 297/325 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 55404 ms. Remains : 111/122 places, 297/325 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((!p0&&F(G(!p1)))))&&(!p2 U (p3||G(!p2))))) U (X(G((X(X((!p0&&F(G(!p1)))))&&(!p2 U (p3||G(!p2))))))||(!p1&&X((X(X((!p0&&F(G(!p1)))))&&(!p2 U (p3||G(!p2)))))))))'
Stuttering acceptance computed with spot in 986 ms :[(OR p1 p0 (AND p2 (NOT p3))), (OR p0 p1 (AND p2 (NOT p3))), (OR p1 p0 (AND p2 (NOT p3))), true, (OR p1 p0), (AND (NOT p3) p2), (OR p1 p0), p1, (OR (AND p0 p2 (NOT p3)) (AND (NOT p0) p1)), (OR p1 p0), (AND p2 (NOT p3)), (AND p1 (NOT p0)), (AND p0 p2 (NOT p3)), (OR p1 p0), (OR p0 p1), (AND p0 p2 (NOT p3)), (OR p1 p0), p1]
Running random walk in product with property : FireWire-PT-08-LTLFireability-13
Product exploration explored 100000 steps with 1 reset in 189 ms.
Product exploration explored 100000 steps with 2 reset in 211 ms.
Computed a total of 14 stabilizing places and 26 stable transitions
Computed a total of 14 stabilizing places and 26 stable transitions
Knowledge based reduction with 19 factoid took 319 ms. Reduced automaton from 18 states, 60 edges and 4 AP (stutter sensitive) to 6 states, 8 edges and 2 AP (stutter sensitive).
RANDOM walk for 40000 steps (2214 resets) in 583 ms. (68 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40002 steps (626 resets) in 230 ms. (173 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40004 steps (8 resets) in 129 ms. (307 steps per ms) remains 2/2 properties
Finished probabilistic random walk after 537727 steps, run visited all 2 properties in 1300 ms. (steps per millisecond=413 )
Probabilistic random walk after 537727 steps, saw 106218 distinct states, run finished after 1300 ms. (steps per millisecond=413 ) properties seen :2
Knowledge based reduction with 19 factoid took 121 ms. Reduced automaton from 6 states, 8 edges and 2 AP (stutter sensitive) to 6 states, 8 edges and 2 AP (stutter sensitive).
Stuttering acceptance computed with spot in 258 ms :[(OR p1 p0), (OR p1 p0), true, (OR p1 p0), (OR p1 p0), p1]
Knowledge-based reduction took 2317 ms.
Stuttering acceptance computed with spot in 268 ms :[(OR p1 p0), (OR p1 p0), true, (OR p1 p0), (OR p1 p0), p1]
Support contains 4 out of 111 places. Attempting structural reductions.
Property had overlarge support with respect to TGBA, discarding it for now.
Starting structural reductions in LTL mode, iteration 0 : 111/111 places, 297/297 transitions.
Applied a total of 0 rules in 2 ms. Remains 111 /111 variables (removed 0) and now considering 297/297 (removed 0) transitions.
[2026-05-26 14:32:04] [INFO ] Flow matrix only has 271 transitions (discarded 26 similar events)
[2026-05-26 14:32:04] [INFO ] Invariant cache hit.
[2026-05-26 14:32:04] [INFO ] Implicit Places using invariants in 164 ms returned []
[2026-05-26 14:32:04] [INFO ] Flow matrix only has 271 transitions (discarded 26 similar events)
[2026-05-26 14:32:04] [INFO ] Invariant cache hit.
[2026-05-26 14:32:04] [INFO ] State equation strengthened by 39 read => feed constraints.
[2026-05-26 14:32:04] [INFO ] Implicit Places using invariants and state equation in 417 ms returned []
Implicit Place search using SMT with State Equation took 585 ms to find 0 implicit places.
Skipped dead transition search.
Finished structural reductions in LTL mode , in 1 iterations and 587 ms. Remains : 111/111 places, 297/297 transitions.
Computed a total of 14 stabilizing places and 26 stable transitions
Computed a total of 14 stabilizing places and 26 stable transitions
Knowledge based reduction with 1 factoid took 68 ms. Reduced automaton from 6 states, 8 edges and 2 AP (stutter sensitive) to 6 states, 8 edges and 2 AP (stutter sensitive).
RANDOM walk for 40000 steps (2213 resets) in 206 ms. (193 steps per ms) remains 1/2 properties
BEST_FIRST walk for 40003 steps (596 resets) in 73 ms. (540 steps per ms) remains 1/1 properties
[2026-05-26 14:32:05] [INFO ] Flow matrix only has 271 transitions (discarded 26 similar events)
[2026-05-26 14:32:05] [INFO ] Invariant cache hit.
[2026-05-26 14:32:05] [INFO ] State equation strengthened by 39 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/2 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 56/58 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/58 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 50/108 variables, 6/8 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/108 variables, 2/10 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/108 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 270/378 variables, 108/118 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/378 variables, 38/156 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/378 variables, 0/156 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 9 (OVERLAPS) 3/381 variables, 3/159 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/381 variables, 0/159 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 1/382 variables, 1/160 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/382 variables, 0/160 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 0/382 variables, 0/160 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 382/382 variables, and 160 constraints, problems are : Problem set: 0 solved, 1 unsolved in 440 ms.
Refiners :[Positive P Invariants (semi-flows): 8/8 constraints, State Equation: 111/111 constraints, ReadFeed: 39/39 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 2/2 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/2 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 56/58 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/58 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 50/108 variables, 6/8 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/108 variables, 2/10 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/108 variables, 1/11 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/108 variables, 0/11 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 270/378 variables, 108/119 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/378 variables, 38/157 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/378 variables, 1/158 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/378 variables, 0/158 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 3/381 variables, 3/161 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/381 variables, 0/161 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 1/382 variables, 1/162 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/382 variables, 0/162 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 0/382 variables, 0/162 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 382/382 variables, and 162 constraints, problems are : Problem set: 0 solved, 1 unsolved in 428 ms.
Refiners :[Positive P Invariants (semi-flows): 8/8 constraints, State Equation: 111/111 constraints, ReadFeed: 39/39 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 3/3 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 878ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 9 ms.
Support contains 2 out of 111 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 111/111 places, 297/297 transitions.
Drop transitions (Empty/Sink Transition effects.) removed 3 transitions
Reduce isomorphic transitions removed 3 transitions.
Iterating post reduction 0 with 3 rules applied. Total rules applied 3 place count 111 transition count 294
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 1 with 2 rules applied. Total rules applied 5 place count 110 transition count 293
Performed 3 Post agglomeration using F-continuation condition.Transition count delta: -6
Deduced a syphon composed of 3 places in 0 ms
Reduce places removed 3 places and 0 transitions.
Iterating global reduction 1 with 6 rules applied. Total rules applied 11 place count 107 transition count 299
Drop transitions (Empty/Sink Transition effects.) removed 6 transitions
Reduce isomorphic transitions removed 6 transitions.
Iterating post reduction 1 with 6 rules applied. Total rules applied 17 place count 107 transition count 293
Drop transitions (Redundant composition of simpler transitions.) removed 3 transitions
Redundant transition composition rules discarded 3 transitions
Iterating global reduction 2 with 3 rules applied. Total rules applied 20 place count 107 transition count 290
Free-agglomeration rule (complex) applied 1 times.
Iterating global reduction 2 with 1 rules applied. Total rules applied 21 place count 107 transition count 292
Reduce places removed 1 places and 0 transitions.
Drop transitions (Empty/Sink Transition effects.) removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 2 with 3 rules applied. Total rules applied 24 place count 106 transition count 290
Drop transitions (Redundant composition of simpler transitions.) removed 2 transitions
Redundant transition composition rules discarded 2 transitions
Iterating global reduction 3 with 2 rules applied. Total rules applied 26 place count 106 transition count 288
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 3 with 1 rules applied. Total rules applied 27 place count 105 transition count 287
Applied a total of 27 rules in 55 ms. Remains 105 /111 variables (removed 6) and now considering 287/297 (removed 10) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 55 ms. Remains : 105/111 places, 287/297 transitions.
RANDOM walk for 40000 steps (2328 resets) in 163 ms. (243 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (574 resets) in 48 ms. (816 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1343575 steps, run timeout after 3001 ms. (steps per millisecond=447 ) properties seen :0 out of 1
Probabilistic random walk after 1343575 steps, saw 293123 distinct states, run finished after 3004 ms. (steps per millisecond=447 ) properties seen :0
[2026-05-26 14:32:09] [INFO ] Flow matrix only has 258 transitions (discarded 29 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-2256570767275642897.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-3003500080957488806.kers'
[2026-05-26 14:32:09] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-2256570767275642897.kers, --Pflows, --basisKERS=/tmp/petrispot-output-3003500080957488806.kers]
Culling duplicate invariants (modulo rational): removing 2 columns.
Culled 2 columns in 0 ms.
// Phase 1: matrix 258 rows 103 cols 861 entries
Finished phase 1 with 97 SingleSign rule and 0 generalized
[2026-05-26 14:32:09] [INFO ] Computed 8 invariants in 1 ms
Computed 8 P flows in 8 ms.
Exported basis to /tmp/petrispot-output-3003500080957488806.kers
Total runtime 8 ms.
[2026-05-26 14:32:09] [INFO ] State equation strengthened by 39 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/2 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 53/55 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/55 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 205/260 variables, 55/57 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/260 variables, 19/76 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/260 variables, 0/76 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 93/353 variables, 42/118 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/353 variables, 3/121 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/353 variables, 20/141 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 9 (INCLUDED_ONLY) 0/353 variables, 0/141 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 1/354 variables, 1/142 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/354 variables, 1/143 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/354 variables, 0/143 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 9/363 variables, 7/150 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/363 variables, 2/152 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/363 variables, 0/152 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (OVERLAPS) 0/363 variables, 0/152 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 363/363 variables, and 152 constraints, problems are : Problem set: 0 solved, 1 unsolved in 173 ms.
Refiners :[Positive P Invariants (semi-flows): 8/8 constraints, State Equation: 105/105 constraints, ReadFeed: 39/39 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/2 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 53/55 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/55 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 205/260 variables, 55/57 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/260 variables, 19/76 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/260 variables, 0/76 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 93/353 variables, 42/118 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/353 variables, 3/121 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/353 variables, 20/141 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/353 variables, 1/142 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/353 variables, 0/142 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 1/354 variables, 1/143 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/354 variables, 1/144 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/354 variables, 0/144 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 9/363 variables, 7/151 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/363 variables, 2/153 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/363 variables, 0/153 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 0/363 variables, 0/153 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 363/363 variables, and 153 constraints, problems are : Problem set: 0 solved, 1 unsolved in 256 ms.
Refiners :[Positive P Invariants (semi-flows): 8/8 constraints, State Equation: 105/105 constraints, ReadFeed: 39/39 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 475ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 4 ms.
Support contains 2 out of 105 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 105/105 places, 287/287 transitions.
Applied a total of 0 rules in 6 ms. Remains 105 /105 variables (removed 0) and now considering 287/287 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 6 ms. Remains : 105/105 places, 287/287 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 105/105 places, 287/287 transitions.
Applied a total of 0 rules in 6 ms. Remains 105 /105 variables (removed 0) and now considering 287/287 (removed 0) transitions.
[2026-05-26 14:32:09] [INFO ] Flow matrix only has 258 transitions (discarded 29 similar events)
[2026-05-26 14:32:09] [INFO ] Invariant cache hit.
[2026-05-26 14:32:09] [INFO ] Implicit Places using invariants in 107 ms returned []
[2026-05-26 14:32:09] [INFO ] Flow matrix only has 258 transitions (discarded 29 similar events)
[2026-05-26 14:32:09] [INFO ] Invariant cache hit.
[2026-05-26 14:32:09] [INFO ] State equation strengthened by 39 read => feed constraints.
[2026-05-26 14:32:09] [INFO ] Implicit Places using invariants and state equation in 277 ms returned []
Implicit Place search using SMT with State Equation took 389 ms to find 0 implicit places.
[2026-05-26 14:32:09] [INFO ] Redundant transitions in 2 ms returned []
Running 285 sub problems to find dead transitions.
[2026-05-26 14:32:09] [INFO ] Flow matrix only has 258 transitions (discarded 29 similar events)
[2026-05-26 14:32:09] [INFO ] Invariant cache hit.
[2026-05-26 14:32:09] [INFO ] State equation strengthened by 39 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/104 variables, 8/8 constraints. Problems are: Problem set: 0 solved, 285 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/104 variables, 7/15 constraints. Problems are: Problem set: 0 solved, 285 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/104 variables, 0/15 constraints. Problems are: Problem set: 0 solved, 285 unsolved
At refinement iteration 3 (OVERLAPS) 258/362 variables, 104/119 constraints. Problems are: Problem set: 0 solved, 285 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/362 variables, 39/158 constraints. Problems are: Problem set: 0 solved, 285 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/362 variables, 3/161 constraints. Problems are: Problem set: 0 solved, 285 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/362 variables, 0/161 constraints. Problems are: Problem set: 0 solved, 285 unsolved
At refinement iteration 7 (OVERLAPS) 1/363 variables, 1/162 constraints. Problems are: Problem set: 0 solved, 285 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/363 variables, 0/162 constraints. Problems are: Problem set: 0 solved, 285 unsolved
Error getting values : (error "Timeout of Z3 solver reached")
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 363/363 variables, and 162 constraints, problems are : Problem set: 0 solved, 285 unsolved in 30015 ms.
Refiners :[Positive P Invariants (semi-flows): 8/8 constraints, State Equation: 105/105 constraints, ReadFeed: 39/39 constraints, PredecessorRefiner: 285/285 constraints, Known Traps: 10/10 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 285 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/104 variables, 8/8 constraints. Problems are: Problem set: 0 solved, 285 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/104 variables, 10/18 constraints. Problems are: Problem set: 0 solved, 285 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/104 variables, 0/18 constraints. Problems are: Problem set: 0 solved, 285 unsolved
At refinement iteration 3 (OVERLAPS) 258/362 variables, 104/122 constraints. Problems are: Problem set: 0 solved, 285 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/362 variables, 39/161 constraints. Problems are: Problem set: 0 solved, 285 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/362 variables, 285/446 constraints. Problems are: Problem set: 0 solved, 285 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/362 variables, 0/446 constraints. Problems are: Problem set: 0 solved, 285 unsolved
At refinement iteration 7 (OVERLAPS) 1/363 variables, 1/447 constraints. Problems are: Problem set: 0 solved, 285 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 363/363 variables, and 447 constraints, problems are : Problem set: 0 solved, 285 unsolved in 30017 ms.
Refiners :[Positive P Invariants (semi-flows): 8/8 constraints, State Equation: 105/105 constraints, ReadFeed: 39/39 constraints, PredecessorRefiner: 285/285 constraints, Known Traps: 10/10 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60101ms problems are : Problem set: 0 solved, 285 unsolved
Search for dead transitions found 0 dead transitions in 60102ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 60505 ms. Remains : 105/105 places, 287/287 transitions.
Attempting over-approximation, by ignoring read arcs.
Graph (trivial) has 108 edges and 105 vertex of which 29 / 105 are part of one of the 4 SCC in 3 ms
Free SCC test removed 25 places
Drop transitions (Empty/Sink Transition effects.) removed 119 transitions
Ensure Unique test removed 7 transitions
Reduce isomorphic transitions removed 126 transitions.
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 3 place count 79 transition count 160
Drop transitions (Redundant composition of simpler transitions.) removed 3 transitions
Redundant transition composition rules discarded 3 transitions
Iterating global reduction 0 with 3 rules applied. Total rules applied 6 place count 79 transition count 157
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 78 transition count 156
Drop transitions (Redundant composition of simpler transitions.) removed 1 transitions
Redundant transition composition rules discarded 1 transitions
Iterating global reduction 0 with 1 rules applied. Total rules applied 9 place count 78 transition count 155
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 11 place count 77 transition count 154
Free-agglomeration rule applied 3 times with reduction of 2 identical transitions.
Iterating global reduction 0 with 3 rules applied. Total rules applied 14 place count 77 transition count 149
Reduce places removed 3 places and 0 transitions.
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 0 with 4 rules applied. Total rules applied 18 place count 74 transition count 148
Partial Free-agglomeration rule applied 2 times.
Drop transitions (Partial Free agglomeration) removed 2 transitions
Iterating global reduction 1 with 2 rules applied. Total rules applied 20 place count 74 transition count 148
Applied a total of 20 rules in 24 ms. Remains 74 /105 variables (removed 31) and now considering 148/287 (removed 139) transitions.
Running SMT prover for 1 properties.
[2026-05-26 14:33:10] [INFO ] Flow matrix only has 146 transitions (discarded 2 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-14056508369672280340.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-64306111643208423.kers'
[2026-05-26 14:33:10] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-14056508369672280340.kers, --Pflows, --basisKERS=/tmp/petrispot-output-64306111643208423.kers]
Culling duplicate invariants (modulo rational): removing 2 columns.
Culled 2 columns in 0 ms.
// Phase 1: matrix 146 rows 72 cols 529 entries
Finished phase 1 with 66 SingleSign rule and 0 generalized
[2026-05-26 14:33:10] [INFO ] Computed 8 invariants in 0 ms
Computed 8 P flows in 1 ms.
Exported basis to /tmp/petrispot-output-64306111643208423.kers
Total runtime 1 ms.
[2026-05-26 14:33:10] [INFO ] [Real]Absence check using 8 positive place invariants in 5 ms returned sat
[2026-05-26 14:33:10] [INFO ] After 191ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
[2026-05-26 14:33:10] [INFO ] [Nat]Absence check using 8 positive place invariants in 4 ms returned sat
[2026-05-26 14:33:10] [INFO ] After 93ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
TRAPS : Iteration 0
[2026-05-26 14:33:10] [INFO ] After 115ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
[2026-05-26 14:33:10] [INFO ] After 188ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
Over-approximation ignoring read arcs solved 0 properties in 427 ms.
Knowledge based reduction with 1 factoid took 90 ms. Reduced automaton from 6 states, 8 edges and 2 AP (stutter sensitive) to 6 states, 8 edges and 2 AP (stutter sensitive).
Stuttering acceptance computed with spot in 289 ms :[(OR p1 p0), (OR p1 p0), true, (OR p1 p0), (OR p1 p0), p1]
Knowledge-based reduction took 65990 ms.
Stuttering acceptance computed with spot in 275 ms :[(OR p1 p0), (OR p1 p0), true, (OR p1 p0), (OR p1 p0), p1]
Stuttering acceptance computed with spot in 274 ms :[(OR p1 p0), (OR p1 p0), true, (OR p1 p0), (OR p1 p0), p1]
Product exploration explored 100000 steps with 0 reset in 98 ms.
Product exploration explored 100000 steps with 0 reset in 452 ms.
Spot run failed in 111 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/ltsmin5805649258574978809
[2026-05-26 14:33:12] [INFO ] Built C files in 48ms conformant to PINS (ltsmin variant)in folder :/tmp/ltsmin5805649258574978809
Running compilation step : cd /tmp/ltsmin5805649258574978809;'/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 1365 ms.
Running link step : cd /tmp/ltsmin5805649258574978809;'gcc' '-shared' '-o' 'gal.so' 'model.o'
Link finished in 85 ms.
Running LTSmin : cd /tmp/ltsmin5805649258574978809;'/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/stateBased6889500353945474797.hoa' '--buchi-type=spotba'
LTSmin run took 4900 ms.
FORMULA FireWire-PT-08-LTLFireability-13 FALSE TECHNIQUES EXPLICIT LTSMIN SAT_SMT
Treatment of property FireWire-PT-08-LTLFireability-13 finished in 133795 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!((X(X(G(p0)))&&F(p1)))'
Support contains 4 out of 122 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 122/122 places, 325/325 transitions.
Discarding 3 places :
Symmetric choice reduction at 0 with 3 rule applications. Total rules 3 place count 119 transition count 317
Iterating global reduction 0 with 3 rules applied. Total rules applied 6 place count 119 transition count 317
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 0 with 1 rules applied. Total rules applied 7 place count 119 transition count 316
Discarding 2 places :
Symmetric choice reduction at 1 with 2 rule applications. Total rules 9 place count 117 transition count 312
Iterating global reduction 1 with 2 rules applied. Total rules applied 11 place count 117 transition count 312
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 12 place count 116 transition count 309
Iterating global reduction 1 with 1 rules applied. Total rules applied 13 place count 116 transition count 309
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 14 place count 115 transition count 307
Iterating global reduction 1 with 1 rules applied. Total rules applied 15 place count 115 transition count 307
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 16 place count 114 transition count 304
Iterating global reduction 1 with 1 rules applied. Total rules applied 17 place count 114 transition count 304
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 18 place count 113 transition count 302
Iterating global reduction 1 with 1 rules applied. Total rules applied 19 place count 113 transition count 302
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 20 place count 112 transition count 299
Iterating global reduction 1 with 1 rules applied. Total rules applied 21 place count 112 transition count 299
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 22 place count 111 transition count 297
Iterating global reduction 1 with 1 rules applied. Total rules applied 23 place count 111 transition count 297
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 24 place count 110 transition count 294
Iterating global reduction 1 with 1 rules applied. Total rules applied 25 place count 110 transition count 294
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 26 place count 109 transition count 292
Iterating global reduction 1 with 1 rules applied. Total rules applied 27 place count 109 transition count 292
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 28 place count 108 transition count 290
Iterating global reduction 1 with 1 rules applied. Total rules applied 29 place count 108 transition count 290
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 30 place count 107 transition count 288
Iterating global reduction 1 with 1 rules applied. Total rules applied 31 place count 107 transition count 288
Applied a total of 31 rules in 13 ms. Remains 107 /122 variables (removed 15) and now considering 288/325 (removed 37) transitions.
[2026-05-26 14:33:18] [INFO ] Flow matrix only has 262 transitions (discarded 26 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-15711395110272836321.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-9527121309426131946.kers'
[2026-05-26 14:33:18] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-15711395110272836321.kers, --Pflows, --basisKERS=/tmp/petrispot-output-9527121309426131946.kers]
Normalized transition count is 261 out of 262 initially.
Culled 0 columns in 0 ms.
// Phase 1: matrix 261 rows 107 cols 875 entries
Finished phase 1 with 99 SingleSign rule and 0 generalized
[2026-05-26 14:33:18] [INFO ] Computed 8 invariants in 1 ms
Computed 8 P flows in 2 ms.
Exported basis to /tmp/petrispot-output-9527121309426131946.kers
Total runtime 2 ms.
[2026-05-26 14:33:18] [INFO ] Implicit Places using invariants in 115 ms returned []
[2026-05-26 14:33:18] [INFO ] Flow matrix only has 262 transitions (discarded 26 similar events)
[2026-05-26 14:33:18] [INFO ] Invariant cache hit.
[2026-05-26 14:33:18] [INFO ] State equation strengthened by 38 read => feed constraints.
[2026-05-26 14:33:18] [INFO ] Implicit Places using invariants and state equation in 259 ms returned []
Implicit Place search using SMT with State Equation took 376 ms to find 0 implicit places.
Running 287 sub problems to find dead transitions.
[2026-05-26 14:33:18] [INFO ] Flow matrix only has 262 transitions (discarded 26 similar events)
[2026-05-26 14:33:18] [INFO ] Invariant cache hit.
[2026-05-26 14:33:18] [INFO ] State equation strengthened by 38 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/106 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 287 unsolved
At refinement iteration 1 (OVERLAPS) 1/107 variables, 8/8 constraints. Problems are: Problem set: 0 solved, 287 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/107 variables, 6/14 constraints. Problems are: Problem set: 0 solved, 287 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/107 variables, 0/14 constraints. Problems are: Problem set: 0 solved, 287 unsolved
At refinement iteration 4 (OVERLAPS) 261/368 variables, 107/121 constraints. Problems are: Problem set: 0 solved, 287 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/368 variables, 37/158 constraints. Problems are: Problem set: 0 solved, 287 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/368 variables, 0/158 constraints. Problems are: Problem set: 0 solved, 287 unsolved
At refinement iteration 7 (OVERLAPS) 1/369 variables, 1/159 constraints. Problems are: Problem set: 0 solved, 287 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/369 variables, 0/159 constraints. Problems are: Problem set: 0 solved, 287 unsolved
At refinement iteration 9 (OVERLAPS) 0/369 variables, 0/159 constraints. Problems are: Problem set: 0 solved, 287 unsolved
No progress, stopping.
After SMT solving in domain Real declared 369/369 variables, and 159 constraints, problems are : Problem set: 0 solved, 287 unsolved in 26911 ms.
Refiners :[Positive P Invariants (semi-flows): 8/8 constraints, State Equation: 107/107 constraints, ReadFeed: 38/38 constraints, PredecessorRefiner: 287/287 constraints, Known Traps: 6/6 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 287 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/106 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 287 unsolved
At refinement iteration 1 (OVERLAPS) 1/107 variables, 8/8 constraints. Problems are: Problem set: 0 solved, 287 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/107 variables, 6/14 constraints. Problems are: Problem set: 0 solved, 287 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/107 variables, 0/14 constraints. Problems are: Problem set: 0 solved, 287 unsolved
At refinement iteration 4 (OVERLAPS) 261/368 variables, 107/121 constraints. Problems are: Problem set: 0 solved, 287 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/368 variables, 37/158 constraints. Problems are: Problem set: 0 solved, 287 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/368 variables, 287/445 constraints. Problems are: Problem set: 0 solved, 287 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/368 variables, 0/445 constraints. Problems are: Problem set: 0 solved, 287 unsolved
SMT process timed out in 56990ms, After SMT, problems are : Problem set: 0 solved, 287 unsolved
Search for dead transitions found 0 dead transitions in 56991ms
Starting structural reductions in LTL mode, iteration 1 : 107/122 places, 288/325 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 57381 ms. Remains : 107/122 places, 288/325 transitions.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!((X(X(G(p0)))&&F(p1)))'
Stuttering acceptance computed with spot in 226 ms :[(OR (NOT p0) (NOT p1)), (NOT p0), (NOT p1), (NOT p0), true]
Running random walk in product with property : FireWire-PT-08-LTLFireability-14
Stuttering criterion allowed to conclude after 1 steps with 0 reset in 0 ms.
FORMULA FireWire-PT-08-LTLFireability-14 FALSE TECHNIQUES STUTTER_TEST
Treatment of property FireWire-PT-08-LTLFireability-14 finished in 57657 ms.
All properties solved by simple procedures.
Total runtime 816801 ms.

BK_STOP 1779806056247

--------------------
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="FireWire-PT-08"
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 FireWire-PT-08, 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 r130-smll-177955809000204"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/FireWire-PT-08.tgz
mv FireWire-PT-08 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 ;