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.r114-smll-177955740400052.qcow2', fmt=qcow2 size=4294967296 backing_file=/data/fkordon/mcc2026-input.qcow2 backing_fmt=qcow2 cluster_size=65536 lazy_refcounts=off refcount_bits=16
Waiting for the VM to be ready (probing ssh)
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=====================================================================
Generated by BenchKit 2-5973
Executing tool itstools
Input is DoubleLock-PT-p3s2, examination is LTLFireability
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r114-smll-177955740400052
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 764K
-rw-r--r-- 1 mcc users 6.7K Mar 6 18:09 CTLCardinality.txt
-rw-r--r-- 1 mcc users 74K Mar 6 18:09 CTLCardinality.xml
-rw-r--r-- 1 mcc users 5.1K Mar 6 18:09 CTLFireability.txt
-rw-r--r-- 1 mcc users 44K Mar 6 18:09 CTLFireability.xml
-rw-r--r-- 1 mcc users 3.6K Mar 15 09:40 LTLCardinality.txt
-rw-r--r-- 1 mcc users 27K Mar 15 09:40 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.3K Mar 15 09:40 LTLFireability.txt
-rw-r--r-- 1 mcc users 19K Mar 15 09:40 LTLFireability.xml
-rw-r--r-- 1 mcc users 12K Mar 6 18:09 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 130K Mar 6 18:09 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 7.9K Mar 6 18:09 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 66K Mar 6 18:09 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.6K Mar 15 09:40 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.7K Mar 15 09:40 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 Mar 3 18:30 equiv_col
-rw-r--r-- 1 mcc users 5 Mar 3 18:30 instance
-rw-r--r-- 1 mcc users 6 Mar 3 18:30 iscolored
-rw-r--r-- 1 mcc users 330K 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 DoubleLock-PT-p3s2-LTLFireability-00
FORMULA_NAME DoubleLock-PT-p3s2-LTLFireability-01
FORMULA_NAME DoubleLock-PT-p3s2-LTLFireability-02
FORMULA_NAME DoubleLock-PT-p3s2-LTLFireability-03
FORMULA_NAME DoubleLock-PT-p3s2-LTLFireability-04
FORMULA_NAME DoubleLock-PT-p3s2-LTLFireability-05
FORMULA_NAME DoubleLock-PT-p3s2-LTLFireability-06
FORMULA_NAME DoubleLock-PT-p3s2-LTLFireability-07
FORMULA_NAME DoubleLock-PT-p3s2-LTLFireability-08
FORMULA_NAME DoubleLock-PT-p3s2-LTLFireability-09
FORMULA_NAME DoubleLock-PT-p3s2-LTLFireability-10
FORMULA_NAME DoubleLock-PT-p3s2-LTLFireability-11
FORMULA_NAME DoubleLock-PT-p3s2-LTLFireability-12
FORMULA_NAME DoubleLock-PT-p3s2-LTLFireability-13
FORMULA_NAME DoubleLock-PT-p3s2-LTLFireability-14
FORMULA_NAME DoubleLock-PT-p3s2-LTLFireability-15

=== Now, execution of the tool begins

BK_START 1779623163172

Invoking MCC driver with
BK_TOOL=itstools
BK_EXAMINATION=LTLFireability
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=DoubleLock-PT-p3s2
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
LTLFireability PT
Running Version 202604301425
[2026-05-24 11:46:05] [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]
[2026-05-24 11:46:05] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-05-24 11:46:05] [INFO ] Load time of PNML (sax parser for PT used): 244 ms
[2026-05-24 11:46:05] [INFO ] Transformed 112 places.
[2026-05-24 11:46:05] [INFO ] Transformed 744 transitions.
[2026-05-24 11:46:05] [INFO ] Parsed PT model containing 112 places and 744 transitions and 3008 arcs in 489 ms.
Parsed 16 properties from file /home/mcc/execution/LTLFireability.xml in 13 ms.
Working with output stream class java.io.PrintStream
Initial state reduction rules removed 2 formulas.
Deduced a syphon composed of 20 places in 5 ms
Reduce places removed 20 places and 32 transitions.
FORMULA DoubleLock-PT-p3s2-LTLFireability-00 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA DoubleLock-PT-p3s2-LTLFireability-11 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Support contains 42 out of 92 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 92/92 places, 712/712 transitions.
Reduce places removed 3 places and 0 transitions.
Iterating post reduction 0 with 3 rules applied. Total rules applied 3 place count 89 transition count 712
Applied a total of 3 rules in 33 ms. Remains 89 /92 variables (removed 3) and now considering 712/712 (removed 0) transitions.
[2026-05-24 11:46:06] [INFO ] Flow matrix only has 515 transitions (discarded 197 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-10816772236975750377.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-8764680023639619632.kers'
[2026-05-24 11:46:06] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-10816772236975750377.kers, --Pflows, --basisKERS=/tmp/petrispot-output-8764680023639619632.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 515 rows 89 cols 1942 entries
Finished phase 1 with 86 SingleSign rule and 1 generalized
[2026-05-24 11:46:06] [INFO ] Computed 2 invariants in 3 ms
Computed 2 P flows in 4 ms.
Exported basis to /tmp/petrispot-output-8764680023639619632.kers
Total runtime 5 ms.
[2026-05-24 11:46:06] [INFO ] Implicit Places using invariants in 451 ms returned []
[2026-05-24 11:46:06] [INFO ] Flow matrix only has 515 transitions (discarded 197 similar events)
[2026-05-24 11:46:06] [INFO ] Invariant cache hit.
[2026-05-24 11:46:06] [INFO ] State equation strengthened by 47 read => feed constraints.
[2026-05-24 11:46:07] [INFO ] Implicit Places using invariants and state equation in 597 ms returned []
Implicit Place search using SMT with State Equation took 1099 ms to find 0 implicit places.
Running 710 sub problems to find dead transitions.
[2026-05-24 11:46:07] [INFO ] Flow matrix only has 515 transitions (discarded 197 similar events)
[2026-05-24 11:46:07] [INFO ] Invariant cache hit.
[2026-05-24 11:46:07] [INFO ] State equation strengthened by 47 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/89 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 710 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/89 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 710 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/89 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 710 unsolved
At refinement iteration 3 (OVERLAPS) 515/604 variables, 89/91 constraints. Problems are: Problem set: 0 solved, 710 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/604 variables, 47/138 constraints. Problems are: Problem set: 0 solved, 710 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/604 variables, 0/138 constraints. Problems are: Problem set: 0 solved, 710 unsolved
Error getting values : (error "Timeout of Z3 solver reached")
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 604/604 variables, and 138 constraints, problems are : Problem set: 0 solved, 710 unsolved in 30070 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 89/89 constraints, ReadFeed: 47/47 constraints, PredecessorRefiner: 710/710 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 710 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/89 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 710 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/89 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 710 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/89 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 710 unsolved
At refinement iteration 3 (OVERLAPS) 515/604 variables, 89/91 constraints. Problems are: Problem set: 0 solved, 710 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/604 variables, 47/138 constraints. Problems are: Problem set: 0 solved, 710 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/604 variables, 710/848 constraints. Problems are: Problem set: 0 solved, 710 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 604/604 variables, and 848 constraints, problems are : Problem set: 0 solved, 710 unsolved in 30042 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 89/89 constraints, ReadFeed: 47/47 constraints, PredecessorRefiner: 710/710 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 61017ms problems are : Problem set: 0 solved, 710 unsolved
Search for dead transitions found 0 dead transitions in 61057ms
Starting structural reductions in LTL mode, iteration 1 : 89/92 places, 712/712 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 62261 ms. Remains : 89/92 places, 712/712 transitions.
Starting structural reductions in LTL mode, iteration 0 : 89/89 places, 712/712 transitions.
Applied a total of 0 rules in 10 ms. Remains 89 /89 variables (removed 0) and now considering 712/712 (removed 0) transitions.
[2026-05-24 11:47:08] [INFO ] Flow matrix only has 515 transitions (discarded 197 similar events)
[2026-05-24 11:47:08] [INFO ] Invariant cache hit.
[2026-05-24 11:47:08] [INFO ] Implicit Places using invariants in 116 ms returned []
[2026-05-24 11:47:08] [INFO ] Flow matrix only has 515 transitions (discarded 197 similar events)
[2026-05-24 11:47:08] [INFO ] Invariant cache hit.
[2026-05-24 11:47:08] [INFO ] State equation strengthened by 47 read => feed constraints.
[2026-05-24 11:47:08] [INFO ] Implicit Places using invariants and state equation in 513 ms returned []
Implicit Place search using SMT with State Equation took 633 ms to find 0 implicit places.
Skipped dead transition search.
Finished structural reductions in LTL mode , in 1 iterations and 644 ms. Remains : 89/89 places, 712/712 transitions.
Support contains 42 out of 89 places after structural reductions.
[2026-05-24 11:47:09] [INFO ] Flatten gal took : 171 ms
[2026-05-24 11:47:09] [INFO ] Flatten gal took : 102 ms
[2026-05-24 11:47:09] [INFO ] Input system was already deterministic with 712 transitions.
Support contains 41 out of 89 places (down from 42) after GAL structural reductions.
RANDOM walk for 40010 steps (455 resets) in 1924 ms. (20 steps per ms) remains 12/33 properties
BEST_FIRST walk for 40003 steps (77 resets) in 552 ms. (72 steps per ms) remains 11/12 properties
BEST_FIRST walk for 40004 steps (91 resets) in 214 ms. (186 steps per ms) remains 10/11 properties
BEST_FIRST walk for 40003 steps (89 resets) in 221 ms. (180 steps per ms) remains 10/10 properties
BEST_FIRST walk for 40004 steps (93 resets) in 144 ms. (275 steps per ms) remains 10/10 properties
BEST_FIRST walk for 40002 steps (104 resets) in 98 ms. (404 steps per ms) remains 8/10 properties
BEST_FIRST walk for 40004 steps (91 resets) in 98 ms. (404 steps per ms) remains 8/8 properties
BEST_FIRST walk for 40004 steps (86 resets) in 192 ms. (207 steps per ms) remains 7/8 properties
BEST_FIRST walk for 40004 steps (102 resets) in 94 ms. (421 steps per ms) remains 7/7 properties
BEST_FIRST walk for 40004 steps (92 resets) in 102 ms. (388 steps per ms) remains 7/7 properties
[2026-05-24 11:47:10] [INFO ] Flow matrix only has 515 transitions (discarded 197 similar events)
[2026-05-24 11:47:10] [INFO ] Invariant cache hit.
[2026-05-24 11:47:10] [INFO ] State equation strengthened by 47 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/15 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 1 (OVERLAPS) 8/23 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/23 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 3 (OVERLAPS) 27/50 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/50 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 5 (OVERLAPS) 464/514 variables, 50/52 constraints. Problems are: Problem set: 0 solved, 7 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (INCLUDED_ONLY) 0/514 variables, 20/72 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/514 variables, 0/72 constraints. Problems are: Problem set: 0 solved, 7 unsolved
Problem AtomicPropp2 is UNSAT
Problem AtomicPropp8 is UNSAT
At refinement iteration 8 (OVERLAPS) 90/604 variables, 39/111 constraints. Problems are: Problem set: 2 solved, 5 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/604 variables, 27/138 constraints. Problems are: Problem set: 2 solved, 5 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/604 variables, 0/138 constraints. Problems are: Problem set: 2 solved, 5 unsolved
At refinement iteration 11 (OVERLAPS) 0/604 variables, 0/138 constraints. Problems are: Problem set: 2 solved, 5 unsolved
No progress, stopping.
After SMT solving in domain Real declared 604/604 variables, and 138 constraints, problems are : Problem set: 2 solved, 5 unsolved in 747 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 89/89 constraints, ReadFeed: 47/47 constraints, PredecessorRefiner: 7/7 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 2 solved, 5 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/9 variables, 0/0 constraints. Problems are: Problem set: 2 solved, 5 unsolved
At refinement iteration 1 (OVERLAPS) 29/38 variables, 1/1 constraints. Problems are: Problem set: 2 solved, 5 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/38 variables, 0/1 constraints. Problems are: Problem set: 2 solved, 5 unsolved
At refinement iteration 3 (OVERLAPS) 346/384 variables, 38/39 constraints. Problems are: Problem set: 2 solved, 5 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/384 variables, 12/51 constraints. Problems are: Problem set: 2 solved, 5 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/384 variables, 0/51 constraints. Problems are: Problem set: 2 solved, 5 unsolved
At refinement iteration 6 (OVERLAPS) 206/590 variables, 37/88 constraints. Problems are: Problem set: 2 solved, 5 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/590 variables, 1/89 constraints. Problems are: Problem set: 2 solved, 5 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/590 variables, 35/124 constraints. Problems are: Problem set: 2 solved, 5 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/590 variables, 5/129 constraints. Problems are: Problem set: 2 solved, 5 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/590 variables, 0/129 constraints. Problems are: Problem set: 2 solved, 5 unsolved
Problem AtomicPropp16 is UNSAT
Problem AtomicPropp25 is UNSAT
Problem AtomicPropp31 is UNSAT
At refinement iteration 11 (OVERLAPS) 14/604 variables, 14/143 constraints. Problems are: Problem set: 5 solved, 2 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/604 variables, 0/143 constraints. Problems are: Problem set: 5 solved, 2 unsolved
At refinement iteration 13 (OVERLAPS) 0/604 variables, 0/143 constraints. Problems are: Problem set: 5 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Int declared 604/604 variables, and 143 constraints, problems are : Problem set: 5 solved, 2 unsolved in 1823 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 89/89 constraints, ReadFeed: 47/47 constraints, PredecessorRefiner: 5/7 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 2590ms problems are : Problem set: 5 solved, 2 unsolved
Parikh walk visited 0 properties in 1387 ms.
Support contains 4 out of 89 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 89/89 places, 712/712 transitions.
Drop transitions (Empty/Sink Transition effects.) removed 8 transitions
Reduce isomorphic transitions removed 8 transitions.
Iterating post reduction 0 with 8 rules applied. Total rules applied 8 place count 89 transition count 704
Applied a total of 8 rules in 54 ms. Remains 89 /89 variables (removed 0) and now considering 704/712 (removed 8) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 55 ms. Remains : 89/89 places, 704/712 transitions.
RANDOM walk for 40006 steps (459 resets) in 113 ms. (350 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40002 steps (88 resets) in 68 ms. (579 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40004 steps (94 resets) in 57 ms. (689 steps per ms) remains 2/2 properties
Interrupted probabilistic random walk after 295922 steps, run timeout after 3001 ms. (steps per millisecond=98 ) properties seen :0 out of 2
Probabilistic random walk after 295922 steps, saw 207474 distinct states, run finished after 3013 ms. (steps per millisecond=98 ) properties seen :0
[2026-05-24 11:47:18] [INFO ] Flow matrix only has 507 transitions (discarded 197 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-12210192642933594613.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-12325871863097597130.kers'
[2026-05-24 11:47:18] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-12210192642933594613.kers, --Pflows, --basisKERS=/tmp/petrispot-output-12325871863097597130.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 507 rows 89 cols 1926 entries
Finished phase 1 with 86 SingleSign rule and 0 generalized
[2026-05-24 11:47:18] [INFO ] Computed 3 invariants in 2 ms
Computed 3 P flows in 3 ms.
Exported basis to /tmp/petrispot-output-12325871863097597130.kers
Total runtime 3 ms.
[2026-05-24 11:47:18] [INFO ] State equation strengthened by 47 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/4 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 1 (OVERLAPS) 64/68 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/68 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (OVERLAPS) 495/563 variables, 68/70 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/563 variables, 12/82 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/563 variables, 0/82 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 6 (OVERLAPS) 33/596 variables, 21/103 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/596 variables, 1/104 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/596 variables, 35/139 constraints. Problems are: Problem set: 0 solved, 2 unsolved
All remaining problems are real, not stopping.
At refinement iteration 9 (INCLUDED_ONLY) 0/596 variables, 0/139 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 10 (OVERLAPS) 0/596 variables, 0/139 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Real declared 596/596 variables, and 139 constraints, problems are : Problem set: 0 solved, 2 unsolved in 451 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 89/89 constraints, ReadFeed: 47/47 constraints, PredecessorRefiner: 2/2 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 2 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/4 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 1 (OVERLAPS) 64/68 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/68 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (OVERLAPS) 495/563 variables, 68/70 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/563 variables, 12/82 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/563 variables, 0/82 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 6 (OVERLAPS) 33/596 variables, 21/103 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/596 variables, 1/104 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/596 variables, 35/139 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/596 variables, 2/141 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/596 variables, 0/141 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 11 (OVERLAPS) 0/596 variables, 0/141 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Int declared 596/596 variables, and 141 constraints, problems are : Problem set: 0 solved, 2 unsolved in 843 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 89/89 constraints, ReadFeed: 47/47 constraints, PredecessorRefiner: 2/2 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 1314ms problems are : Problem set: 0 solved, 2 unsolved
Parikh walk visited 1 properties in 786 ms.
Support contains 2 out of 89 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 89/89 places, 704/704 transitions.
Applied a total of 0 rules in 25 ms. Remains 89 /89 variables (removed 0) and now considering 704/704 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 26 ms. Remains : 89/89 places, 704/704 transitions.
RANDOM walk for 40011 steps (471 resets) in 84 ms. (470 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40003 steps (86 resets) in 60 ms. (655 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 788528 steps, run timeout after 3001 ms. (steps per millisecond=262 ) properties seen :0 out of 1
Probabilistic random walk after 788528 steps, saw 581904 distinct states, run finished after 3001 ms. (steps per millisecond=262 ) properties seen :0
[2026-05-24 11:47:23] [INFO ] Flow matrix only has 507 transitions (discarded 197 similar events)
[2026-05-24 11:47:23] [INFO ] Invariant cache hit.
[2026-05-24 11:47:23] [INFO ] State equation strengthened by 47 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) 65/67 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/67 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 494/561 variables, 67/69 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/561 variables, 12/81 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/561 variables, 0/81 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (OVERLAPS) 35/596 variables, 22/103 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/596 variables, 1/104 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/596 variables, 35/139 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/596 variables, 0/139 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 0/596 variables, 0/139 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 596/596 variables, and 139 constraints, problems are : Problem set: 0 solved, 1 unsolved in 240 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 89/89 constraints, ReadFeed: 47/47 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) 65/67 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/67 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 494/561 variables, 67/69 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/561 variables, 12/81 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/561 variables, 0/81 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 35/596 variables, 22/103 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/596 variables, 1/104 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/596 variables, 35/139 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/596 variables, 1/140 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/596 variables, 0/140 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 0/596 variables, 0/140 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 596/596 variables, and 140 constraints, problems are : Problem set: 0 solved, 1 unsolved in 436 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 89/89 constraints, ReadFeed: 47/47 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 684ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 88 ms.
Support contains 2 out of 89 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 89/89 places, 704/704 transitions.
Applied a total of 0 rules in 35 ms. Remains 89 /89 variables (removed 0) and now considering 704/704 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 35 ms. Remains : 89/89 places, 704/704 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 89/89 places, 704/704 transitions.
Applied a total of 0 rules in 34 ms. Remains 89 /89 variables (removed 0) and now considering 704/704 (removed 0) transitions.
[2026-05-24 11:47:24] [INFO ] Flow matrix only has 507 transitions (discarded 197 similar events)
[2026-05-24 11:47:24] [INFO ] Invariant cache hit.
[2026-05-24 11:47:24] [INFO ] Implicit Places using invariants in 267 ms returned []
[2026-05-24 11:47:24] [INFO ] Flow matrix only has 507 transitions (discarded 197 similar events)
[2026-05-24 11:47:24] [INFO ] Invariant cache hit.
[2026-05-24 11:47:24] [INFO ] State equation strengthened by 47 read => feed constraints.
[2026-05-24 11:47:25] [INFO ] Implicit Places using invariants and state equation in 691 ms returned []
Implicit Place search using SMT with State Equation took 960 ms to find 0 implicit places.
[2026-05-24 11:47:25] [INFO ] Redundant transitions in 71 ms returned []
Running 702 sub problems to find dead transitions.
[2026-05-24 11:47:25] [INFO ] Flow matrix only has 507 transitions (discarded 197 similar events)
[2026-05-24 11:47:25] [INFO ] Invariant cache hit.
[2026-05-24 11:47:25] [INFO ] State equation strengthened by 47 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/89 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 702 unsolved
Problem TDEAD456 is UNSAT
Problem TDEAD457 is UNSAT
Problem TDEAD458 is UNSAT
Problem TDEAD459 is UNSAT
Problem TDEAD460 is UNSAT
Problem TDEAD461 is UNSAT
Problem TDEAD462 is UNSAT
Problem TDEAD463 is UNSAT
Problem TDEAD464 is UNSAT
Problem TDEAD465 is UNSAT
Problem TDEAD466 is UNSAT
Problem TDEAD467 is UNSAT
Problem TDEAD468 is UNSAT
Problem TDEAD472 is UNSAT
Problem TDEAD473 is UNSAT
Problem TDEAD477 is UNSAT
Problem TDEAD478 is UNSAT
Problem TDEAD482 is UNSAT
Problem TDEAD485 is UNSAT
Problem TDEAD486 is UNSAT
Problem TDEAD490 is UNSAT
Problem TDEAD491 is UNSAT
Problem TDEAD495 is UNSAT
Problem TDEAD496 is UNSAT
Problem TDEAD498 is UNSAT
Problem TDEAD499 is UNSAT
Problem TDEAD500 is UNSAT
Problem TDEAD501 is UNSAT
Problem TDEAD502 is UNSAT
Problem TDEAD503 is UNSAT
Problem TDEAD504 is UNSAT
Problem TDEAD505 is UNSAT
Problem TDEAD506 is UNSAT
Problem TDEAD507 is UNSAT
Problem TDEAD508 is UNSAT
Problem TDEAD509 is UNSAT
Problem TDEAD510 is UNSAT
Problem TDEAD511 is UNSAT
Problem TDEAD512 is UNSAT
Problem TDEAD513 is UNSAT
Problem TDEAD514 is UNSAT
Problem TDEAD515 is UNSAT
Problem TDEAD516 is UNSAT
Problem TDEAD517 is UNSAT
Problem TDEAD518 is UNSAT
Problem TDEAD519 is UNSAT
Problem TDEAD520 is UNSAT
Problem TDEAD521 is UNSAT
Problem TDEAD522 is UNSAT
Problem TDEAD526 is UNSAT
Problem TDEAD527 is UNSAT
Problem TDEAD531 is UNSAT
Problem TDEAD532 is UNSAT
Problem TDEAD536 is UNSAT
Problem TDEAD539 is UNSAT
Problem TDEAD540 is UNSAT
Problem TDEAD544 is UNSAT
Problem TDEAD545 is UNSAT
Problem TDEAD549 is UNSAT
Problem TDEAD550 is UNSAT
Problem TDEAD552 is UNSAT
Problem TDEAD553 is UNSAT
Problem TDEAD554 is UNSAT
Problem TDEAD555 is UNSAT
Problem TDEAD556 is UNSAT
Problem TDEAD557 is UNSAT
Problem TDEAD558 is UNSAT
Problem TDEAD559 is UNSAT
Problem TDEAD560 is UNSAT
Problem TDEAD561 is UNSAT
Problem TDEAD562 is UNSAT
Problem TDEAD563 is UNSAT
Problem TDEAD564 is UNSAT
Problem TDEAD565 is UNSAT
Problem TDEAD566 is UNSAT
Problem TDEAD567 is UNSAT
Problem TDEAD568 is UNSAT
Problem TDEAD569 is UNSAT
Problem TDEAD570 is UNSAT
Problem TDEAD571 is UNSAT
Problem TDEAD572 is UNSAT
Problem TDEAD573 is UNSAT
Problem TDEAD574 is UNSAT
Problem TDEAD575 is UNSAT
Problem TDEAD576 is UNSAT
Problem TDEAD580 is UNSAT
Problem TDEAD581 is UNSAT
Problem TDEAD585 is UNSAT
Problem TDEAD586 is UNSAT
Problem TDEAD590 is UNSAT
Problem TDEAD593 is UNSAT
Problem TDEAD594 is UNSAT
Problem TDEAD598 is UNSAT
Problem TDEAD599 is UNSAT
Problem TDEAD603 is UNSAT
Problem TDEAD604 is UNSAT
Problem TDEAD606 is UNSAT
Problem TDEAD607 is UNSAT
Problem TDEAD608 is UNSAT
Problem TDEAD609 is UNSAT
Problem TDEAD610 is UNSAT
Problem TDEAD611 is UNSAT
Problem TDEAD612 is UNSAT
Problem TDEAD613 is UNSAT
Problem TDEAD614 is UNSAT
Problem TDEAD615 is UNSAT
Problem TDEAD616 is UNSAT
Problem TDEAD617 is UNSAT
Problem TDEAD618 is UNSAT
Problem TDEAD619 is UNSAT
Problem TDEAD620 is UNSAT
Problem TDEAD621 is UNSAT
Problem TDEAD622 is UNSAT
Problem TDEAD623 is UNSAT
Problem TDEAD624 is UNSAT
Problem TDEAD625 is UNSAT
Problem TDEAD626 is UNSAT
Problem TDEAD627 is UNSAT
Problem TDEAD628 is UNSAT
Problem TDEAD629 is UNSAT
Problem TDEAD630 is UNSAT
Problem TDEAD634 is UNSAT
Problem TDEAD635 is UNSAT
Problem TDEAD639 is UNSAT
Problem TDEAD640 is UNSAT
Problem TDEAD644 is UNSAT
Problem TDEAD647 is UNSAT
Problem TDEAD648 is UNSAT
Problem TDEAD652 is UNSAT
Problem TDEAD653 is UNSAT
Problem TDEAD657 is UNSAT
Problem TDEAD658 is UNSAT
Problem TDEAD660 is UNSAT
Problem TDEAD661 is UNSAT
Problem TDEAD662 is UNSAT
Problem TDEAD663 is UNSAT
Problem TDEAD664 is UNSAT
Problem TDEAD665 is UNSAT
Problem TDEAD666 is UNSAT
Problem TDEAD667 is UNSAT
Problem TDEAD668 is UNSAT
Problem TDEAD669 is UNSAT
Problem TDEAD670 is UNSAT
Problem TDEAD671 is UNSAT
At refinement iteration 1 (INCLUDED_ONLY) 0/89 variables, 3/6 constraints. Problems are: Problem set: 144 solved, 558 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/89 variables, 0/6 constraints. Problems are: Problem set: 144 solved, 558 unsolved
At refinement iteration 3 (OVERLAPS) 507/596 variables, 89/95 constraints. Problems are: Problem set: 144 solved, 558 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/596 variables, 47/142 constraints. Problems are: Problem set: 144 solved, 558 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/596 variables, 0/142 constraints. Problems are: Problem set: 144 solved, 558 unsolved
Error getting values : (error "Timeout of Z3 solver reached")
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 596/596 variables, and 142 constraints, problems are : Problem set: 144 solved, 558 unsolved in 30028 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 89/89 constraints, ReadFeed: 47/47 constraints, PredecessorRefiner: 702/702 constraints, Known Traps: 3/3 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 144 solved, 558 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/81 variables, 2/2 constraints. Problems are: Problem set: 144 solved, 558 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/81 variables, 3/5 constraints. Problems are: Problem set: 144 solved, 558 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/81 variables, 0/5 constraints. Problems are: Problem set: 144 solved, 558 unsolved
At refinement iteration 3 (OVERLAPS) 8/89 variables, 1/6 constraints. Problems are: Problem set: 144 solved, 558 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/89 variables, 0/6 constraints. Problems are: Problem set: 144 solved, 558 unsolved
At refinement iteration 5 (OVERLAPS) 507/596 variables, 89/95 constraints. Problems are: Problem set: 144 solved, 558 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/596 variables, 47/142 constraints. Problems are: Problem set: 144 solved, 558 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/596 variables, 558/700 constraints. Problems are: Problem set: 144 solved, 558 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 596/596 variables, and 700 constraints, problems are : Problem set: 144 solved, 558 unsolved in 30035 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 89/89 constraints, ReadFeed: 47/47 constraints, PredecessorRefiner: 558/702 constraints, Known Traps: 3/3 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60528ms problems are : Problem set: 144 solved, 558 unsolved
Search for dead transitions found 144 dead transitions in 60534ms
Found 144 dead transitions using SMT.
Drop transitions (Dead Transitions using SMT only with invariants) removed 144 transitions
Dead transitions reduction (with SMT) removed 144 transitions
Starting structural reductions in REACHABILITY mode, iteration 1 : 89/89 places, 560/704 transitions.
Graph (complete) has 966 edges and 89 vertex of which 81 are kept as prefixes of interest. Removing 8 places using SCC suffix rule.5 ms
Discarding 8 places :
Also discarding 0 output transitions
Applied a total of 1 rules in 50 ms. Remains 81 /89 variables (removed 8) and now considering 560/560 (removed 0) transitions.
[2026-05-24 11:48:25] [INFO ] Flow matrix only has 381 transitions (discarded 179 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-487585535215532974.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-4465370920910986717.kers'
[2026-05-24 11:48:25] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-487585535215532974.kers, --Pflows, --basisKERS=/tmp/petrispot-output-4465370920910986717.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 381 rows 81 cols 1398 entries
Finished phase 1 with 79 SingleSign rule and 0 generalized
[2026-05-24 11:48:25] [INFO ] Computed 2 invariants in 8 ms
Computed 2 P flows in 9 ms.
Exported basis to /tmp/petrispot-output-4465370920910986717.kers
Total runtime 9 ms.
[2026-05-24 11:48:25] [INFO ] Implicit Places using invariants in 244 ms returned []
[2026-05-24 11:48:25] [INFO ] Flow matrix only has 381 transitions (discarded 179 similar events)
[2026-05-24 11:48:25] [INFO ] Invariant cache hit.
[2026-05-24 11:48:26] [INFO ] State equation strengthened by 41 read => feed constraints.
[2026-05-24 11:48:26] [INFO ] Implicit Places using invariants and state equation in 631 ms returned []
Implicit Place search using SMT with State Equation took 878 ms to find 0 implicit places.
Starting structural reductions in REACHABILITY mode, iteration 2 : 81/89 places, 560/704 transitions.
Finished structural reductions in REACHABILITY mode , in 2 iterations and 62543 ms. Remains : 81/89 places, 560/704 transitions.
RANDOM walk for 40021 steps (470 resets) in 119 ms. (333 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40003 steps (89 resets) in 105 ms. (377 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 860716 steps, run timeout after 3001 ms. (steps per millisecond=286 ) properties seen :0 out of 1
Probabilistic random walk after 860716 steps, saw 598938 distinct states, run finished after 3001 ms. (steps per millisecond=286 ) properties seen :0
[2026-05-24 11:48:29] [INFO ] Flow matrix only has 381 transitions (discarded 179 similar events)
[2026-05-24 11:48:29] [INFO ] Invariant cache hit.
[2026-05-24 11:48:29] [INFO ] State equation strengthened by 41 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) 49/51 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/51 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 368/419 variables, 51/52 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/419 variables, 6/58 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/419 variables, 0/58 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (OVERLAPS) 43/462 variables, 30/88 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/462 variables, 1/89 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/462 variables, 35/124 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/462 variables, 0/124 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 0/462 variables, 0/124 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 462/462 variables, and 124 constraints, problems are : Problem set: 0 solved, 1 unsolved in 186 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, State Equation: 81/81 constraints, ReadFeed: 41/41 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) 49/51 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/51 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 368/419 variables, 51/52 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/419 variables, 6/58 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/419 variables, 0/58 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 43/462 variables, 30/88 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/462 variables, 1/89 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/462 variables, 35/124 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/462 variables, 1/125 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/462 variables, 0/125 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 0/462 variables, 0/125 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 462/462 variables, and 125 constraints, problems are : Problem set: 0 solved, 1 unsolved in 325 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, State Equation: 81/81 constraints, ReadFeed: 41/41 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 525ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 0 ms.
Support contains 2 out of 81 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 81/81 places, 560/560 transitions.
Applied a total of 0 rules in 18 ms. Remains 81 /81 variables (removed 0) and now considering 560/560 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 18 ms. Remains : 81/81 places, 560/560 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 81/81 places, 560/560 transitions.
Applied a total of 0 rules in 17 ms. Remains 81 /81 variables (removed 0) and now considering 560/560 (removed 0) transitions.
[2026-05-24 11:48:30] [INFO ] Flow matrix only has 381 transitions (discarded 179 similar events)
[2026-05-24 11:48:30] [INFO ] Invariant cache hit.
[2026-05-24 11:48:30] [INFO ] Implicit Places using invariants in 227 ms returned []
[2026-05-24 11:48:30] [INFO ] Flow matrix only has 381 transitions (discarded 179 similar events)
[2026-05-24 11:48:30] [INFO ] Invariant cache hit.
[2026-05-24 11:48:30] [INFO ] State equation strengthened by 41 read => feed constraints.
[2026-05-24 11:48:31] [INFO ] Implicit Places using invariants and state equation in 700 ms returned []
Implicit Place search using SMT with State Equation took 930 ms to find 0 implicit places.
[2026-05-24 11:48:31] [INFO ] Redundant transitions in 12 ms returned []
Running 558 sub problems to find dead transitions.
[2026-05-24 11:48:31] [INFO ] Flow matrix only has 381 transitions (discarded 179 similar events)
[2026-05-24 11:48:31] [INFO ] Invariant cache hit.
[2026-05-24 11:48:31] [INFO ] State equation strengthened by 41 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/81 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 558 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/81 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 558 unsolved
At refinement iteration 2 (OVERLAPS) 381/462 variables, 81/83 constraints. Problems are: Problem set: 0 solved, 558 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (INCLUDED_ONLY) 0/462 variables, 41/124 constraints. Problems are: Problem set: 0 solved, 558 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/462 variables, 0/124 constraints. Problems are: Problem set: 0 solved, 558 unsolved
At refinement iteration 5 (OVERLAPS) 0/462 variables, 0/124 constraints. Problems are: Problem set: 0 solved, 558 unsolved
No progress, stopping.
After SMT solving in domain Real declared 462/462 variables, and 124 constraints, problems are : Problem set: 0 solved, 558 unsolved in 16261 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, State Equation: 81/81 constraints, ReadFeed: 41/41 constraints, PredecessorRefiner: 558/558 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 558 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/81 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 558 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/81 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 558 unsolved
At refinement iteration 2 (OVERLAPS) 381/462 variables, 81/83 constraints. Problems are: Problem set: 0 solved, 558 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/462 variables, 41/124 constraints. Problems are: Problem set: 0 solved, 558 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/462 variables, 558/682 constraints. Problems are: Problem set: 0 solved, 558 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 462/462 variables, and 682 constraints, problems are : Problem set: 0 solved, 558 unsolved in 30018 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, State Equation: 81/81 constraints, ReadFeed: 41/41 constraints, PredecessorRefiner: 558/558 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 46543ms problems are : Problem set: 0 solved, 558 unsolved
Search for dead transitions found 0 dead transitions in 46547ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 47517 ms. Remains : 81/81 places, 560/560 transitions.
FORMULA DoubleLock-PT-p3s2-LTLFireability-15 FALSE TECHNIQUES REACHABILITY_KNOWLEDGE
Successfully simplified 5 atomic propositions for a total of 13 simplifications.
FORMULA DoubleLock-PT-p3s2-LTLFireability-02 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA DoubleLock-PT-p3s2-LTLFireability-14 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Computed a total of 7 stabilizing places and 176 stable transitions
FORMULA DoubleLock-PT-p3s2-LTLFireability-07 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(X(X((X(X(X(X(G(p0)))))||G(p1))))))'
Support contains 4 out of 89 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 89/89 places, 712/712 transitions.
Applied a total of 0 rules in 7 ms. Remains 89 /89 variables (removed 0) and now considering 712/712 (removed 0) transitions.
[2026-05-24 11:49:18] [INFO ] Flow matrix only has 515 transitions (discarded 197 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-405511456605518476.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-18335840143424067222.kers'
[2026-05-24 11:49:18] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-405511456605518476.kers, --Pflows, --basisKERS=/tmp/petrispot-output-18335840143424067222.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 515 rows 89 cols 1942 entries
Finished phase 1 with 86 SingleSign rule and 1 generalized
[2026-05-24 11:49:18] [INFO ] Computed 2 invariants in 2 ms
Computed 2 P flows in 3 ms.
Exported basis to /tmp/petrispot-output-18335840143424067222.kers
Total runtime 4 ms.
[2026-05-24 11:49:18] [INFO ] Implicit Places using invariants in 173 ms returned []
[2026-05-24 11:49:18] [INFO ] Flow matrix only has 515 transitions (discarded 197 similar events)
[2026-05-24 11:49:18] [INFO ] Invariant cache hit.
[2026-05-24 11:49:18] [INFO ] State equation strengthened by 47 read => feed constraints.
[2026-05-24 11:49:18] [INFO ] Implicit Places using invariants and state equation in 610 ms returned []
Implicit Place search using SMT with State Equation took 785 ms to find 0 implicit places.
Running 710 sub problems to find dead transitions.
[2026-05-24 11:49:18] [INFO ] Flow matrix only has 515 transitions (discarded 197 similar events)
[2026-05-24 11:49:18] [INFO ] Invariant cache hit.
[2026-05-24 11:49:18] [INFO ] State equation strengthened by 47 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/89 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 710 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/89 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 710 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/89 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 710 unsolved
At refinement iteration 3 (OVERLAPS) 515/604 variables, 89/91 constraints. Problems are: Problem set: 0 solved, 710 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/604 variables, 47/138 constraints. Problems are: Problem set: 0 solved, 710 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/604 variables, 0/138 constraints. Problems are: Problem set: 0 solved, 710 unsolved
At refinement iteration 6 (OVERLAPS) 0/604 variables, 0/138 constraints. Problems are: Problem set: 0 solved, 710 unsolved
No progress, stopping.
After SMT solving in domain Real declared 604/604 variables, and 138 constraints, problems are : Problem set: 0 solved, 710 unsolved in 30024 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 89/89 constraints, ReadFeed: 47/47 constraints, PredecessorRefiner: 710/710 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 710 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/89 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 710 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/89 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 710 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/89 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 710 unsolved
At refinement iteration 3 (OVERLAPS) 515/604 variables, 89/91 constraints. Problems are: Problem set: 0 solved, 710 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/604 variables, 47/138 constraints. Problems are: Problem set: 0 solved, 710 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/604 variables, 710/848 constraints. Problems are: Problem set: 0 solved, 710 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 604/604 variables, and 848 constraints, problems are : Problem set: 0 solved, 710 unsolved in 30027 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 89/89 constraints, ReadFeed: 47/47 constraints, PredecessorRefiner: 710/710 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60361ms problems are : Problem set: 0 solved, 710 unsolved
Search for dead transitions found 0 dead transitions in 60364ms
Finished structural reductions in LTL mode , in 1 iterations and 61160 ms. Remains : 89/89 places, 712/712 transitions.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(X(X((X(X(X(X(G(p0)))))||G(p1))))))'
Stuttering acceptance computed with spot in 752 ms :[true, (NOT p0), (AND (NOT p0) (NOT p1)), (NOT p1), (NOT p0), (AND (NOT p1) (NOT p0)), (NOT p0), (AND (NOT p0) (NOT p1)), (NOT p0), (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1))]
Running random walk in product with property : DoubleLock-PT-p3s2-LTLFireability-01
Entered a terminal (fully accepting) state of product in 94 steps with 1 reset in 6 ms.
FORMULA DoubleLock-PT-p3s2-LTLFireability-01 FALSE TECHNIQUES STUTTER_TEST
Treatment of property DoubleLock-PT-p3s2-LTLFireability-01 finished in 62030 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!((X(((!G(X(p0)) U (X(!p2)&&p1))||p3)) U p2))'
Support contains 8 out of 89 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 89/89 places, 712/712 transitions.
Applied a total of 0 rules in 4 ms. Remains 89 /89 variables (removed 0) and now considering 712/712 (removed 0) transitions.
[2026-05-24 11:50:20] [INFO ] Flow matrix only has 515 transitions (discarded 197 similar events)
[2026-05-24 11:50:20] [INFO ] Invariant cache hit.
[2026-05-24 11:50:20] [INFO ] Implicit Places using invariants in 138 ms returned []
[2026-05-24 11:50:20] [INFO ] Flow matrix only has 515 transitions (discarded 197 similar events)
[2026-05-24 11:50:20] [INFO ] Invariant cache hit.
[2026-05-24 11:50:20] [INFO ] State equation strengthened by 47 read => feed constraints.
[2026-05-24 11:50:20] [INFO ] Implicit Places using invariants and state equation in 463 ms returned []
Implicit Place search using SMT with State Equation took 606 ms to find 0 implicit places.
Skipped dead transition search.
Finished structural reductions in LTL mode , in 1 iterations and 611 ms. Remains : 89/89 places, 712/712 transitions.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!((X(((!G(X(p0)) U (X(!p2)&&p1))||p3)) U p2))'
Stuttering acceptance computed with spot in 245 ms :[(NOT p2), (OR (NOT p2) (NOT p3)), p0, (OR (NOT p1) p2), p2]
Running random walk in product with property : DoubleLock-PT-p3s2-LTLFireability-03
Product exploration explored 100000 steps with 22123 reset in 518 ms.
Product exploration explored 100000 steps with 22197 reset in 378 ms.
Computed a total of 7 stabilizing places and 176 stable transitions
Computed a total of 7 stabilizing places and 176 stable transitions
Knowledge based reduction with 16 factoid took 89 ms. Reduced automaton from 5 states, 12 edges and 4 AP (stutter sensitive) to 5 states, 12 edges and 4 AP (stutter sensitive).
RANDOM walk for 40004 steps (465 resets) in 953 ms. (41 steps per ms) remains 5/10 properties
BEST_FIRST walk for 40003 steps (86 resets) in 217 ms. (183 steps per ms) remains 5/5 properties
BEST_FIRST walk for 40004 steps (86 resets) in 324 ms. (123 steps per ms) remains 5/5 properties
BEST_FIRST walk for 40004 steps (92 resets) in 90 ms. (439 steps per ms) remains 3/5 properties
BEST_FIRST walk for 40004 steps (89 resets) in 108 ms. (367 steps per ms) remains 3/3 properties
[2026-05-24 11:50:22] [INFO ] Flow matrix only has 515 transitions (discarded 197 similar events)
[2026-05-24 11:50:22] [INFO ] Invariant cache hit.
[2026-05-24 11:50:22] [INFO ] State equation strengthened by 47 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/6 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 1 (OVERLAPS) 9/15 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/15 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 3 (OVERLAPS) 32/47 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/47 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 5 (OVERLAPS) 450/497 variables, 47/49 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/497 variables, 16/65 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/497 variables, 0/65 constraints. Problems are: Problem set: 0 solved, 3 unsolved
Problem apf9 is UNSAT
At refinement iteration 8 (OVERLAPS) 107/604 variables, 42/107 constraints. Problems are: Problem set: 1 solved, 2 unsolved
All remaining problems are real, not stopping.
At refinement iteration 9 (INCLUDED_ONLY) 0/604 variables, 31/138 constraints. Problems are: Problem set: 1 solved, 2 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/604 variables, 0/138 constraints. Problems are: Problem set: 1 solved, 2 unsolved
At refinement iteration 11 (OVERLAPS) 0/604 variables, 0/138 constraints. Problems are: Problem set: 1 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Real declared 604/604 variables, and 138 constraints, problems are : Problem set: 1 solved, 2 unsolved in 410 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 89/89 constraints, ReadFeed: 47/47 constraints, PredecessorRefiner: 3/3 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 1 solved, 2 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/4 variables, 0/0 constraints. Problems are: Problem set: 1 solved, 2 unsolved
At refinement iteration 1 (OVERLAPS) 9/13 variables, 1/1 constraints. Problems are: Problem set: 1 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/13 variables, 0/1 constraints. Problems are: Problem set: 1 solved, 2 unsolved
At refinement iteration 3 (OVERLAPS) 198/211 variables, 13/14 constraints. Problems are: Problem set: 1 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/211 variables, 4/18 constraints. Problems are: Problem set: 1 solved, 2 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/211 variables, 0/18 constraints. Problems are: Problem set: 1 solved, 2 unsolved
At refinement iteration 6 (OVERLAPS) 373/584 variables, 56/74 constraints. Problems are: Problem set: 1 solved, 2 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/584 variables, 43/117 constraints. Problems are: Problem set: 1 solved, 2 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/584 variables, 2/119 constraints. Problems are: Problem set: 1 solved, 2 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/584 variables, 0/119 constraints. Problems are: Problem set: 1 solved, 2 unsolved
At refinement iteration 10 (OVERLAPS) 20/604 variables, 1/120 constraints. Problems are: Problem set: 1 solved, 2 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/604 variables, 20/140 constraints. Problems are: Problem set: 1 solved, 2 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/604 variables, 0/140 constraints. Problems are: Problem set: 1 solved, 2 unsolved
At refinement iteration 13 (OVERLAPS) 0/604 variables, 0/140 constraints. Problems are: Problem set: 1 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Int declared 604/604 variables, and 140 constraints, problems are : Problem set: 1 solved, 2 unsolved in 1007 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 89/89 constraints, ReadFeed: 47/47 constraints, PredecessorRefiner: 2/3 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 1442ms problems are : Problem set: 1 solved, 2 unsolved
Fused 2 Parikh solutions to 1 different solutions.
Parikh walk visited 0 properties in 382 ms.
Support contains 4 out of 89 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 89/89 places, 712/712 transitions.
Drop transitions (Empty/Sink Transition effects.) removed 8 transitions
Reduce isomorphic transitions removed 8 transitions.
Iterating post reduction 0 with 8 rules applied. Total rules applied 8 place count 89 transition count 704
Applied a total of 8 rules in 24 ms. Remains 89 /89 variables (removed 0) and now considering 704/712 (removed 8) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 24 ms. Remains : 89/89 places, 704/712 transitions.
RANDOM walk for 40000 steps (466 resets) in 130 ms. (305 steps per ms) remains 2/2 properties
BEST_FIRST walk for 33968 steps (75 resets) in 74 ms. (452 steps per ms) remains 0/2 properties
Found 1 invariant AP formulas.
Knowledge based reduction with 17 factoid took 191 ms. Reduced automaton from 5 states, 12 edges and 4 AP (stutter sensitive) to 5 states, 11 edges and 4 AP (stutter sensitive).
Stuttering acceptance computed with spot in 222 ms :[(OR (NOT p2) (NOT p3)), (OR (NOT p2) (NOT p3)), p0, (OR (NOT p1) p2), p2]
[2026-05-24 11:50:25] [INFO ] Flow matrix only has 515 transitions (discarded 197 similar events)
[2026-05-24 11:50:25] [INFO ] Invariant cache hit.
[2026-05-24 11:50:25] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-24 11:50:25] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 2 ms returned sat
[2026-05-24 11:50:25] [INFO ] [Real]Absence check using state equation in 118 ms returned unsat
Proved EG (NOT p2) asserting that LTL formula F !(NOT p2) is false.
[2026-05-24 11:50:25] [INFO ] Flow matrix only has 515 transitions (discarded 197 similar events)
[2026-05-24 11:50:25] [INFO ] Invariant cache hit.
[2026-05-24 11:50:26] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-24 11:50:26] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2026-05-24 11:50:26] [INFO ] [Real]Absence check using state equation in 213 ms returned sat
[2026-05-24 11:50:26] [INFO ] Solution in real domain found non-integer solution.
[2026-05-24 11:50:26] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-24 11:50:26] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 2 ms returned sat
[2026-05-24 11:50:26] [INFO ] [Nat]Absence check using state equation in 191 ms returned sat
[2026-05-24 11:50:26] [INFO ] State equation strengthened by 47 read => feed constraints.
[2026-05-24 11:50:26] [INFO ] [Nat]Added 47 Read/Feed constraints in 45 ms returned sat
[2026-05-24 11:50:26] [INFO ] Computed and/alt/rep : 67/387/67 causal constraints (skipped 446 transitions) in 84 ms.
[2026-05-24 11:50:27] [INFO ] Added : 2 causal constraints over 1 iterations in 186 ms. Result :sat
Could not prove EG (NOT p3)
Negative knowledge disproves property using: (F p2)
Knowledge-based reduction took 5144 ms.
FORMULA DoubleLock-PT-p3s2-LTLFireability-03 FALSE TECHNIQUES NEGATIVE_KNOWLEDGE
Treatment of property DoubleLock-PT-p3s2-LTLFireability-03 finished in 6945 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(G(F(p0)))'
Support contains 2 out of 89 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 89/89 places, 712/712 transitions.
Applied a total of 0 rules in 18 ms. Remains 89 /89 variables (removed 0) and now considering 712/712 (removed 0) transitions.
[2026-05-24 11:50:27] [INFO ] Flow matrix only has 515 transitions (discarded 197 similar events)
[2026-05-24 11:50:27] [INFO ] Invariant cache hit.
[2026-05-24 11:50:27] [INFO ] Implicit Places using invariants in 127 ms returned []
[2026-05-24 11:50:27] [INFO ] Flow matrix only has 515 transitions (discarded 197 similar events)
[2026-05-24 11:50:27] [INFO ] Invariant cache hit.
[2026-05-24 11:50:27] [INFO ] State equation strengthened by 47 read => feed constraints.
[2026-05-24 11:50:27] [INFO ] Implicit Places using invariants and state equation in 453 ms returned []
Implicit Place search using SMT with State Equation took 583 ms to find 0 implicit places.
[2026-05-24 11:50:27] [INFO ] Redundant transitions in 8 ms returned []
Skipped dead transition search.
Finished structural reductions in SI_LTL mode , in 1 iterations and 614 ms. Remains : 89/89 places, 712/712 transitions.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(G(F(p0)))'
Stuttering acceptance computed with spot in 73 ms :[(NOT p0), (NOT p0)]
Running random walk in product with property : DoubleLock-PT-p3s2-LTLFireability-04
Product exploration explored 100000 steps with 2269 reset in 341 ms.
Product exploration explored 100000 steps with 2255 reset in 433 ms.
Computed a total of 7 stabilizing places and 176 stable transitions
Computed a total of 7 stabilizing places and 176 stable transitions
Knowledge based reduction with 3 factoid took 57 ms. Reduced automaton from 2 states, 3 edges and 1 AP (stutter insensitive) to 2 states, 3 edges and 1 AP (stutter insensitive).
RANDOM walk for 2033 steps (22 resets) in 10 ms. (184 steps per ms) remains 0/1 properties
Knowledge based reduction with 3 factoid took 64 ms. Reduced automaton from 2 states, 3 edges and 1 AP (stutter insensitive) to 2 states, 3 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 71 ms :[(NOT p0), (NOT p0)]
Knowledge-based reduction took 206 ms.
Stuttering acceptance computed with spot in 73 ms :[(NOT p0), (NOT p0)]
Support contains 2 out of 89 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 89/89 places, 712/712 transitions.
Applied a total of 0 rules in 32 ms. Remains 89 /89 variables (removed 0) and now considering 712/712 (removed 0) transitions.
[2026-05-24 11:50:28] [INFO ] Flow matrix only has 515 transitions (discarded 197 similar events)
[2026-05-24 11:50:28] [INFO ] Invariant cache hit.
[2026-05-24 11:50:29] [INFO ] Implicit Places using invariants in 177 ms returned []
[2026-05-24 11:50:29] [INFO ] Flow matrix only has 515 transitions (discarded 197 similar events)
[2026-05-24 11:50:29] [INFO ] Invariant cache hit.
[2026-05-24 11:50:29] [INFO ] State equation strengthened by 47 read => feed constraints.
[2026-05-24 11:50:29] [INFO ] Implicit Places using invariants and state equation in 515 ms returned []
Implicit Place search using SMT with State Equation took 694 ms to find 0 implicit places.
[2026-05-24 11:50:29] [INFO ] Redundant transitions in 14 ms returned []
Skipped dead transition search.
Finished structural reductions in SI_LTL mode , in 1 iterations and 747 ms. Remains : 89/89 places, 712/712 transitions.
Computed a total of 7 stabilizing places and 176 stable transitions
Computed a total of 7 stabilizing places and 176 stable transitions
Knowledge based reduction with 3 factoid took 48 ms. Reduced automaton from 2 states, 3 edges and 1 AP (stutter insensitive) to 2 states, 3 edges and 1 AP (stutter insensitive).
RANDOM walk for 6238 steps (73 resets) in 19 ms. (311 steps per ms) remains 0/1 properties
Knowledge based reduction with 3 factoid took 60 ms. Reduced automaton from 2 states, 3 edges and 1 AP (stutter insensitive) to 2 states, 3 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 81 ms :[(NOT p0), (NOT p0)]
Knowledge-based reduction took 211 ms.
Stuttering acceptance computed with spot in 72 ms :[(NOT p0), (NOT p0)]
Stuttering acceptance computed with spot in 85 ms :[(NOT p0), (NOT p0)]
Product exploration explored 100000 steps with 2250 reset in 271 ms.
Product exploration explored 100000 steps with 2241 reset in 289 ms.
Built C files in :
/tmp/ltsmin4867574577542518227
[2026-05-24 11:50:30] [INFO ] Computing symmetric may disable matrix : 712 transitions.
[2026-05-24 11:50:30] [INFO ] Computation of Complete disable matrix. took 9 ms. Total solver calls (SAT/UNSAT): 0(0/0)
[2026-05-24 11:50:30] [INFO ] Computing symmetric may enable matrix : 712 transitions.
[2026-05-24 11:50:30] [INFO ] Computation of Complete enable matrix. took 7 ms. Total solver calls (SAT/UNSAT): 0(0/0)
[2026-05-24 11:50:30] [INFO ] Computing Do-Not-Accords matrix : 712 transitions.
[2026-05-24 11:50:30] [INFO ] Computation of Completed DNA matrix. took 32 ms. Total solver calls (SAT/UNSAT): 0(0/0)
[2026-05-24 11:50:30] [INFO ] Built C files in 199ms conformant to PINS (ltsmin variant)in folder :/tmp/ltsmin4867574577542518227
Running compilation step : cd /tmp/ltsmin4867574577542518227;'/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'
WARNING : LTS min runner thread failed on error :java.lang.RuntimeException: Compilation or link of executable timed out.java.util.concurrent.TimeoutException: Subprocess running cd /tmp/ltsmin4867574577542518227;'/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' killed by timeout after 3 SECONDS
java.lang.RuntimeException: Compilation or link of executable timed out.java.util.concurrent.TimeoutException: Subprocess running cd /tmp/ltsmin4867574577542518227;'/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' killed by timeout after 3 SECONDS
at fr.lip6.move.gal.application.runner.ltsmin.LTSminRunner$1.run(LTSminRunner.java:94)
at java.base/java.lang.Thread.run(Thread.java:1583)
Support contains 2 out of 89 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 89/89 places, 712/712 transitions.
Applied a total of 0 rules in 14 ms. Remains 89 /89 variables (removed 0) and now considering 712/712 (removed 0) transitions.
[2026-05-24 11:50:33] [INFO ] Flow matrix only has 515 transitions (discarded 197 similar events)
[2026-05-24 11:50:33] [INFO ] Invariant cache hit.
[2026-05-24 11:50:33] [INFO ] Implicit Places using invariants in 143 ms returned []
[2026-05-24 11:50:33] [INFO ] Flow matrix only has 515 transitions (discarded 197 similar events)
[2026-05-24 11:50:33] [INFO ] Invariant cache hit.
[2026-05-24 11:50:34] [INFO ] State equation strengthened by 47 read => feed constraints.
[2026-05-24 11:50:34] [INFO ] Implicit Places using invariants and state equation in 419 ms returned []
Implicit Place search using SMT with State Equation took 566 ms to find 0 implicit places.
[2026-05-24 11:50:34] [INFO ] Redundant transitions in 8 ms returned []
Skipped dead transition search.
Finished structural reductions in SI_LTL mode , in 1 iterations and 594 ms. Remains : 89/89 places, 712/712 transitions.
Built C files in :
/tmp/ltsmin101818275094833404
[2026-05-24 11:50:34] [INFO ] Computing symmetric may disable matrix : 712 transitions.
[2026-05-24 11:50:34] [INFO ] Computation of Complete disable matrix. took 3 ms. Total solver calls (SAT/UNSAT): 0(0/0)
[2026-05-24 11:50:34] [INFO ] Computing symmetric may enable matrix : 712 transitions.
[2026-05-24 11:50:34] [INFO ] Computation of Complete enable matrix. took 3 ms. Total solver calls (SAT/UNSAT): 0(0/0)
[2026-05-24 11:50:34] [INFO ] Computing Do-Not-Accords matrix : 712 transitions.
[2026-05-24 11:50:34] [INFO ] Computation of Completed DNA matrix. took 13 ms. Total solver calls (SAT/UNSAT): 0(0/0)
[2026-05-24 11:50:34] [INFO ] Built C files in 130ms conformant to PINS (ltsmin variant)in folder :/tmp/ltsmin101818275094833404
Running compilation step : cd /tmp/ltsmin101818275094833404;'/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 2992 ms.
Running link step : cd /tmp/ltsmin101818275094833404;'gcc' '-shared' '-o' 'gal.so' 'model.o'
Link finished in 71 ms.
Running LTSmin : cd /tmp/ltsmin101818275094833404;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202604301425/bin/pins2lts-seq-linux64' './gal.so' '-p' '--pins-guards' '--when' '--hoa' '/tmp/stateBased18108733462426457203.hoa' '--buchi-type=spotba'
WARNING : LTS min runner thread was asked to interrupt. Dying gracefully.
[2026-05-24 11:50:49] [INFO ] Flatten gal took : 50 ms
[2026-05-24 11:50:49] [INFO ] Flatten gal took : 49 ms
[2026-05-24 11:50:49] [INFO ] Time to serialize gal into /tmp/LTL13100864591782231545.gal : 9 ms
[2026-05-24 11:50:49] [INFO ] Time to serialize properties into /tmp/LTL1829269860476094476.prop : 1 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202604301425/bin/its-ltl-linux64' '--gc-threshold' '2000000' '-i' '/tmp/LTL13100864591782231545.gal' '-t' 'CGAL' '-hoa' '/tmp/aut17278057162088511281.hoa' '-atoms' '/tmp/LTL1829269860476094476.prop' '-c' '-stutter-deadlock' '--gen-order' 'FOLLOW'

its-ltl command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202604301425/bin/its-ltl-linux64 --gc-threshold 2000000 -i /tmp/L...319
Loading property file /tmp/LTL1829269860476094476.prop.
Loaded 1 atomic propositions.
Checking formula 0 provided in automaton : /tmp/aut17278057162088511281.hoa
Detected timeout of ITS tools.
[2026-05-24 11:51:04] [INFO ] Flatten gal took : 40 ms
[2026-05-24 11:51:04] [INFO ] Flatten gal took : 37 ms
[2026-05-24 11:51:04] [INFO ] Time to serialize gal into /tmp/LTL9894862351638773496.gal : 8 ms
[2026-05-24 11:51:04] [INFO ] Time to serialize properties into /tmp/LTL14296137374495925944.ltl : 6 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202604301425/bin/its-ltl-linux64' '--gc-threshold' '2000000' '-i' '/tmp/LTL9894862351638773496.gal' '-t' 'CGAL' '-LTL' '/tmp/LTL14296137374495925944.ltl' '-c' '-stutter-deadlock' '--gen-order' 'FOLLOW'

its-ltl command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202604301425/bin/its-ltl-linux64 --gc-threshold 2000000 -i /tmp/L...276
Read 1 LTL properties
Checking formula 0 : !((G(F("((s7<1)||(l4<1))"))))
Formula 0 simplified : FG!"((s7<1)||(l4<1))"
Detected timeout of ITS tools.
[2026-05-24 11:51:19] [INFO ] Flatten gal took : 31 ms
[2026-05-24 11:51:19] [INFO ] Applying decomposition
[2026-05-24 11:51:19] [INFO ] Flatten gal took : 31 ms
Converted graph to binary with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202604301425/bin/convert-linux64' '-i' '/tmp/graph9816657336390773611.txt' '-o' '/tmp/graph9816657336390773611.bin' '-w' '/tmp/graph9816657336390773611.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202604301425/bin/louvain-linux64' '/tmp/graph9816657336390773611.bin' '-l' '-1' '-v' '-w' '/tmp/graph9816657336390773611.weights' '-q' '0' '-e' '0.001'
[2026-05-24 11:51:20] [INFO ] Decomposing Gal with order
[2026-05-24 11:51:20] [INFO ] Rewriting arrays to variables to allow decomposition.
[2026-05-24 11:51:20] [INFO ] Removed a total of 1644 redundant transitions.
[2026-05-24 11:51:20] [INFO ] Flatten gal took : 159 ms
[2026-05-24 11:51:20] [INFO ] Fuse similar labels procedure discarded/fused a total of 88 labels/synchronizations in 38 ms.
[2026-05-24 11:51:20] [INFO ] Time to serialize gal into /tmp/LTL10023726883443447009.gal : 12 ms
[2026-05-24 11:51:20] [INFO ] Time to serialize properties into /tmp/LTL16821018760841999923.ltl : 0 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202604301425/bin/its-ltl-linux64' '--gc-threshold' '2000000' '-i' '/tmp/LTL10023726883443447009.gal' '-t' 'CGAL' '-LTL' '/tmp/LTL16821018760841999923.ltl' '-c' '-stutter-deadlock'

its-ltl command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202604301425/bin/its-ltl-linux64 --gc-threshold 2000000 -i /tmp/L...256
Read 1 LTL properties
Checking formula 0 : !((G(F("((i2.i0.u14.s7<1)||(i1.i1.u17.l4<1))"))))
Formula 0 simplified : FG!"((i2.i0.u14.s7<1)||(i1.i1.u17.l4<1))"
Detected timeout of ITS tools.
Treatment of property DoubleLock-PT-p3s2-LTLFireability-04 finished in 68452 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!((p0 U X((F(p1)||G(!p2)))))'
Support contains 5 out of 89 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 89/89 places, 712/712 transitions.
Applied a total of 0 rules in 2 ms. Remains 89 /89 variables (removed 0) and now considering 712/712 (removed 0) transitions.
[2026-05-24 11:51:35] [INFO ] Flow matrix only has 515 transitions (discarded 197 similar events)
[2026-05-24 11:51:35] [INFO ] Invariant cache hit.
[2026-05-24 11:51:35] [INFO ] Implicit Places using invariants in 170 ms returned []
[2026-05-24 11:51:35] [INFO ] Flow matrix only has 515 transitions (discarded 197 similar events)
[2026-05-24 11:51:35] [INFO ] Invariant cache hit.
[2026-05-24 11:51:35] [INFO ] State equation strengthened by 47 read => feed constraints.
[2026-05-24 11:51:36] [INFO ] Implicit Places using invariants and state equation in 729 ms returned []
Implicit Place search using SMT with State Equation took 901 ms to find 0 implicit places.
Skipped dead transition search.
Finished structural reductions in LTL mode , in 1 iterations and 905 ms. Remains : 89/89 places, 712/712 transitions.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!((p0 U X((F(p1)||G(!p2)))))'
Stuttering acceptance computed with spot in 214 ms :[(AND (NOT p1) p2), (AND (NOT p1) p2), (AND (NOT p1) p2), (NOT p1)]
Running random walk in product with property : DoubleLock-PT-p3s2-LTLFireability-05
Stuttering criterion allowed to conclude after 71 steps with 0 reset in 1 ms.
FORMULA DoubleLock-PT-p3s2-LTLFireability-05 FALSE TECHNIQUES STUTTER_TEST
Treatment of property DoubleLock-PT-p3s2-LTLFireability-05 finished in 1165 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(((p0||F(p1)) U X((p0||F(p2)))))'
Support contains 6 out of 89 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 89/89 places, 712/712 transitions.
Applied a total of 0 rules in 5 ms. Remains 89 /89 variables (removed 0) and now considering 712/712 (removed 0) transitions.
[2026-05-24 11:51:36] [INFO ] Flow matrix only has 515 transitions (discarded 197 similar events)
[2026-05-24 11:51:36] [INFO ] Invariant cache hit.
[2026-05-24 11:51:36] [INFO ] Implicit Places using invariants in 211 ms returned []
[2026-05-24 11:51:36] [INFO ] Flow matrix only has 515 transitions (discarded 197 similar events)
[2026-05-24 11:51:36] [INFO ] Invariant cache hit.
[2026-05-24 11:51:37] [INFO ] State equation strengthened by 47 read => feed constraints.
[2026-05-24 11:51:37] [INFO ] Implicit Places using invariants and state equation in 521 ms returned []
Implicit Place search using SMT with State Equation took 736 ms to find 0 implicit places.
Skipped dead transition search.
Finished structural reductions in LTL mode , in 1 iterations and 742 ms. Remains : 89/89 places, 712/712 transitions.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(((F(p0)||p1) U X((F(p2)||p1))))'
Stuttering acceptance computed with spot in 209 ms :[(AND (NOT p1) (NOT p2)), (AND (NOT p0) (NOT p2) (NOT p1)), (AND (NOT p1) (NOT p2)), (AND (NOT p0) (NOT p2))]
Running random walk in product with property : DoubleLock-PT-p3s2-LTLFireability-06
Stuttering criterion allowed to conclude after 40 steps with 0 reset in 0 ms.
FORMULA DoubleLock-PT-p3s2-LTLFireability-06 FALSE TECHNIQUES STUTTER_TEST
Treatment of property DoubleLock-PT-p3s2-LTLFireability-06 finished in 998 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(F(G(p0)))'
Support contains 2 out of 89 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 89/89 places, 712/712 transitions.
Applied a total of 0 rules in 19 ms. Remains 89 /89 variables (removed 0) and now considering 712/712 (removed 0) transitions.
[2026-05-24 11:51:37] [INFO ] Flow matrix only has 515 transitions (discarded 197 similar events)
[2026-05-24 11:51:37] [INFO ] Invariant cache hit.
[2026-05-24 11:51:37] [INFO ] Implicit Places using invariants in 237 ms returned []
[2026-05-24 11:51:37] [INFO ] Flow matrix only has 515 transitions (discarded 197 similar events)
[2026-05-24 11:51:37] [INFO ] Invariant cache hit.
[2026-05-24 11:51:38] [INFO ] State equation strengthened by 47 read => feed constraints.
[2026-05-24 11:51:38] [INFO ] Implicit Places using invariants and state equation in 722 ms returned []
Implicit Place search using SMT with State Equation took 966 ms to find 0 implicit places.
[2026-05-24 11:51:38] [INFO ] Redundant transitions in 14 ms returned []
Skipped dead transition search.
Finished structural reductions in SI_LTL mode , in 1 iterations and 1007 ms. Remains : 89/89 places, 712/712 transitions.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(F(G(p0)))'
Stuttering acceptance computed with spot in 45 ms :[(NOT p0)]
Running random walk in product with property : DoubleLock-PT-p3s2-LTLFireability-08
Product exploration explored 100000 steps with 1865 reset in 588 ms.
Product exploration explored 100000 steps with 1860 reset in 520 ms.
Computed a total of 7 stabilizing places and 176 stable transitions
Computed a total of 7 stabilizing places and 176 stable transitions
Knowledge based reduction with 3 factoid took 50 ms. Reduced automaton from 1 states, 2 edges and 1 AP (stutter insensitive) to 1 states, 2 edges and 1 AP (stutter insensitive).
RANDOM walk for 1130 steps (11 resets) in 6 ms. (161 steps per ms) remains 0/1 properties
Knowledge based reduction with 3 factoid took 58 ms. Reduced automaton from 1 states, 2 edges and 1 AP (stutter insensitive) to 1 states, 2 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 35 ms :[(NOT p0)]
Knowledge-based reduction took 154 ms.
Stuttering acceptance computed with spot in 38 ms :[(NOT p0)]
Support contains 2 out of 89 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 89/89 places, 712/712 transitions.
Applied a total of 0 rules in 11 ms. Remains 89 /89 variables (removed 0) and now considering 712/712 (removed 0) transitions.
[2026-05-24 11:51:40] [INFO ] Flow matrix only has 515 transitions (discarded 197 similar events)
[2026-05-24 11:51:40] [INFO ] Invariant cache hit.
[2026-05-24 11:51:40] [INFO ] Implicit Places using invariants in 119 ms returned []
[2026-05-24 11:51:40] [INFO ] Flow matrix only has 515 transitions (discarded 197 similar events)
[2026-05-24 11:51:40] [INFO ] Invariant cache hit.
[2026-05-24 11:51:40] [INFO ] State equation strengthened by 47 read => feed constraints.
[2026-05-24 11:51:40] [INFO ] Implicit Places using invariants and state equation in 433 ms returned []
Implicit Place search using SMT with State Equation took 554 ms to find 0 implicit places.
[2026-05-24 11:51:40] [INFO ] Redundant transitions in 13 ms returned []
Skipped dead transition search.
Finished structural reductions in SI_LTL mode , in 1 iterations and 585 ms. Remains : 89/89 places, 712/712 transitions.
Computed a total of 7 stabilizing places and 176 stable transitions
Computed a total of 7 stabilizing places and 176 stable transitions
Knowledge based reduction with 3 factoid took 59 ms. Reduced automaton from 1 states, 2 edges and 1 AP (stutter insensitive) to 1 states, 2 edges and 1 AP (stutter insensitive).
RANDOM walk for 840 steps (9 resets) in 7 ms. (105 steps per ms) remains 0/1 properties
Knowledge based reduction with 3 factoid took 76 ms. Reduced automaton from 1 states, 2 edges and 1 AP (stutter insensitive) to 1 states, 2 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 50 ms :[(NOT p0)]
Knowledge-based reduction took 198 ms.
Stuttering acceptance computed with spot in 50 ms :[(NOT p0)]
Stuttering acceptance computed with spot in 51 ms :[(NOT p0)]
Product exploration explored 100000 steps with 1895 reset in 475 ms.
Product exploration explored 100000 steps with 1875 reset in 392 ms.
Built C files in :
/tmp/ltsmin1860662043713121373
[2026-05-24 11:51:41] [INFO ] Computing symmetric may disable matrix : 712 transitions.
[2026-05-24 11:51:41] [INFO ] Computation of Complete disable matrix. took 3 ms. Total solver calls (SAT/UNSAT): 0(0/0)
[2026-05-24 11:51:41] [INFO ] Computing symmetric may enable matrix : 712 transitions.
[2026-05-24 11:51:41] [INFO ] Computation of Complete enable matrix. took 3 ms. Total solver calls (SAT/UNSAT): 0(0/0)
[2026-05-24 11:51:41] [INFO ] Computing Do-Not-Accords matrix : 712 transitions.
[2026-05-24 11:51:41] [INFO ] Computation of Completed DNA matrix. took 12 ms. Total solver calls (SAT/UNSAT): 0(0/0)
[2026-05-24 11:51:42] [INFO ] Built C files in 119ms conformant to PINS (ltsmin variant)in folder :/tmp/ltsmin1860662043713121373
Running compilation step : cd /tmp/ltsmin1860662043713121373;'/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 2881 ms.
Running link step : cd /tmp/ltsmin1860662043713121373;'gcc' '-shared' '-o' 'gal.so' 'model.o'
Link finished in 56 ms.
Running LTSmin : cd /tmp/ltsmin1860662043713121373;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202604301425/bin/pins2lts-seq-linux64' './gal.so' '-p' '--pins-guards' '--when' '--hoa' '/tmp/stateBased7464038055439674308.hoa' '--buchi-type=spotba'
WARNING : LTS min runner thread was asked to interrupt. Dying gracefully.
Support contains 2 out of 89 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 89/89 places, 712/712 transitions.
Applied a total of 0 rules in 11 ms. Remains 89 /89 variables (removed 0) and now considering 712/712 (removed 0) transitions.
[2026-05-24 11:51:56] [INFO ] Flow matrix only has 515 transitions (discarded 197 similar events)
[2026-05-24 11:51:56] [INFO ] Invariant cache hit.
[2026-05-24 11:51:57] [INFO ] Implicit Places using invariants in 149 ms returned []
[2026-05-24 11:51:57] [INFO ] Flow matrix only has 515 transitions (discarded 197 similar events)
[2026-05-24 11:51:57] [INFO ] Invariant cache hit.
[2026-05-24 11:51:57] [INFO ] State equation strengthened by 47 read => feed constraints.
[2026-05-24 11:51:57] [INFO ] Implicit Places using invariants and state equation in 473 ms returned []
Implicit Place search using SMT with State Equation took 623 ms to find 0 implicit places.
[2026-05-24 11:51:57] [INFO ] Redundant transitions in 8 ms returned []
Skipped dead transition search.
Finished structural reductions in SI_LTL mode , in 1 iterations and 649 ms. Remains : 89/89 places, 712/712 transitions.
Built C files in :
/tmp/ltsmin13323142411540032877
[2026-05-24 11:51:57] [INFO ] Computing symmetric may disable matrix : 712 transitions.
[2026-05-24 11:51:57] [INFO ] Computation of Complete disable matrix. took 3 ms. Total solver calls (SAT/UNSAT): 0(0/0)
[2026-05-24 11:51:57] [INFO ] Computing symmetric may enable matrix : 712 transitions.
[2026-05-24 11:51:57] [INFO ] Computation of Complete enable matrix. took 3 ms. Total solver calls (SAT/UNSAT): 0(0/0)
[2026-05-24 11:51:57] [INFO ] Computing Do-Not-Accords matrix : 712 transitions.
[2026-05-24 11:51:57] [INFO ] Computation of Completed DNA matrix. took 18 ms. Total solver calls (SAT/UNSAT): 0(0/0)
[2026-05-24 11:51:57] [INFO ] Built C files in 132ms conformant to PINS (ltsmin variant)in folder :/tmp/ltsmin13323142411540032877
Running compilation step : cd /tmp/ltsmin13323142411540032877;'/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 2901 ms.
Running link step : cd /tmp/ltsmin13323142411540032877;'gcc' '-shared' '-o' 'gal.so' 'model.o'
Link finished in 83 ms.
Running LTSmin : cd /tmp/ltsmin13323142411540032877;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202604301425/bin/pins2lts-seq-linux64' './gal.so' '-p' '--pins-guards' '--when' '--hoa' '/tmp/stateBased17583681083091358875.hoa' '--buchi-type=spotba'
WARNING : LTS min runner thread was asked to interrupt. Dying gracefully.
[2026-05-24 11:52:12] [INFO ] Flatten gal took : 28 ms
[2026-05-24 11:52:12] [INFO ] Flatten gal took : 26 ms
[2026-05-24 11:52:12] [INFO ] Time to serialize gal into /tmp/LTL6765978030591543164.gal : 6 ms
[2026-05-24 11:52:12] [INFO ] Time to serialize properties into /tmp/LTL10182841645091872587.prop : 1 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202604301425/bin/its-ltl-linux64' '--gc-threshold' '2000000' '-i' '/tmp/LTL6765978030591543164.gal' '-t' 'CGAL' '-hoa' '/tmp/aut6357270785025263129.hoa' '-atoms' '/tmp/LTL10182841645091872587.prop' '-c' '-stutter-deadlock' '--gen-order' 'FOLLOW'

its-ltl command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202604301425/bin/its-ltl-linux64 --gc-threshold 2000000 -i /tmp/L...318
Loading property file /tmp/LTL10182841645091872587.prop.
Loaded 1 atomic propositions.
Checking formula 0 provided in automaton : /tmp/aut6357270785025263129.hoa
Detected timeout of ITS tools.
[2026-05-24 11:52:27] [INFO ] Flatten gal took : 22 ms
[2026-05-24 11:52:27] [INFO ] Flatten gal took : 31 ms
[2026-05-24 11:52:27] [INFO ] Time to serialize gal into /tmp/LTL8847415581389781117.gal : 6 ms
[2026-05-24 11:52:27] [INFO ] Time to serialize properties into /tmp/LTL11927355354442218496.ltl : 1 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202604301425/bin/its-ltl-linux64' '--gc-threshold' '2000000' '-i' '/tmp/LTL8847415581389781117.gal' '-t' 'CGAL' '-LTL' '/tmp/LTL11927355354442218496.ltl' '-c' '-stutter-deadlock' '--gen-order' 'FOLLOW'

its-ltl command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202604301425/bin/its-ltl-linux64 --gc-threshold 2000000 -i /tmp/L...276
Read 1 LTL properties
Checking formula 0 : !((F(G("((p12<1)||(l6<1))"))))
Formula 0 simplified : GF!"((p12<1)||(l6<1))"
Detected timeout of ITS tools.
[2026-05-24 11:52:42] [INFO ] Flatten gal took : 18 ms
[2026-05-24 11:52:42] [INFO ] Applying decomposition
[2026-05-24 11:52:42] [INFO ] Flatten gal took : 19 ms
Converted graph to binary with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202604301425/bin/convert-linux64' '-i' '/tmp/graph17630255087425674534.txt' '-o' '/tmp/graph17630255087425674534.bin' '-w' '/tmp/graph17630255087425674534.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202604301425/bin/louvain-linux64' '/tmp/graph17630255087425674534.bin' '-l' '-1' '-v' '-w' '/tmp/graph17630255087425674534.weights' '-q' '0' '-e' '0.001'
[2026-05-24 11:52:42] [INFO ] Decomposing Gal with order
[2026-05-24 11:52:42] [INFO ] Rewriting arrays to variables to allow decomposition.
[2026-05-24 11:52:43] [INFO ] Removed a total of 1644 redundant transitions.
[2026-05-24 11:52:43] [INFO ] Flatten gal took : 63 ms
[2026-05-24 11:52:43] [INFO ] Fuse similar labels procedure discarded/fused a total of 101 labels/synchronizations in 30 ms.
[2026-05-24 11:52:43] [INFO ] Time to serialize gal into /tmp/LTL7714022090691681349.gal : 6 ms
[2026-05-24 11:52:43] [INFO ] Time to serialize properties into /tmp/LTL3023665233531349314.ltl : 0 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202604301425/bin/its-ltl-linux64' '--gc-threshold' '2000000' '-i' '/tmp/LTL7714022090691681349.gal' '-t' 'CGAL' '-LTL' '/tmp/LTL3023665233531349314.ltl' '-c' '-stutter-deadlock'

its-ltl command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202604301425/bin/its-ltl-linux64 --gc-threshold 2000000 -i /tmp/L...254
Read 1 LTL properties
Checking formula 0 : !((F(G("((i2.i1.u14.p12<1)||(i4.i1.u18.l6<1))"))))
Formula 0 simplified : GF!"((i2.i1.u14.p12<1)||(i4.i1.u18.l6<1))"
Detected timeout of ITS tools.
Treatment of property DoubleLock-PT-p3s2-LTLFireability-08 finished in 80416 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!((((G(p0) U G(p1))||X(X(p1))) U X(X(p2))))'
Support contains 6 out of 89 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 89/89 places, 712/712 transitions.
Applied a total of 0 rules in 2 ms. Remains 89 /89 variables (removed 0) and now considering 712/712 (removed 0) transitions.
[2026-05-24 11:52:58] [INFO ] Flow matrix only has 515 transitions (discarded 197 similar events)
[2026-05-24 11:52:58] [INFO ] Invariant cache hit.
[2026-05-24 11:52:58] [INFO ] Implicit Places using invariants in 138 ms returned []
[2026-05-24 11:52:58] [INFO ] Flow matrix only has 515 transitions (discarded 197 similar events)
[2026-05-24 11:52:58] [INFO ] Invariant cache hit.
[2026-05-24 11:52:58] [INFO ] State equation strengthened by 47 read => feed constraints.
[2026-05-24 11:52:58] [INFO ] Implicit Places using invariants and state equation in 428 ms returned []
Implicit Place search using SMT with State Equation took 568 ms to find 0 implicit places.
Skipped dead transition search.
Finished structural reductions in LTL mode , in 1 iterations and 571 ms. Remains : 89/89 places, 712/712 transitions.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!((((G(p0) U G(p1))||X(X(p1))) U X(X(p2))))'
Stuttering acceptance computed with spot in 455 ms :[(NOT p2), (AND (NOT p1) (NOT p2)), (NOT p2), (AND (NOT p1) (NOT p2)), (AND (NOT p1) (NOT p2)), (AND (NOT p2) (NOT p1)), (NOT p2), (AND (NOT p1) (NOT p2)), (AND (NOT p1) (NOT p2)), true, (AND (NOT p0) p1), (NOT p1), (NOT p1)]
Running random walk in product with property : DoubleLock-PT-p3s2-LTLFireability-09
Entered a terminal (fully accepting) state of product in 2 steps with 0 reset in 0 ms.
FORMULA DoubleLock-PT-p3s2-LTLFireability-09 FALSE TECHNIQUES STUTTER_TEST
Treatment of property DoubleLock-PT-p3s2-LTLFireability-09 finished in 1101 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(G((G((!p0||X(X(!p1))))||((!p0||X(X(!p1)))&&F(p2)))))'
Support contains 4 out of 89 places. Attempting structural reductions.
Property had overlarge support with respect to TGBA, discarding it for now.
Starting structural reductions in LTL mode, iteration 0 : 89/89 places, 712/712 transitions.
Applied a total of 0 rules in 2 ms. Remains 89 /89 variables (removed 0) and now considering 712/712 (removed 0) transitions.
[2026-05-24 11:52:59] [INFO ] Flow matrix only has 515 transitions (discarded 197 similar events)
[2026-05-24 11:52:59] [INFO ] Invariant cache hit.
[2026-05-24 11:52:59] [INFO ] Implicit Places using invariants in 124 ms returned []
[2026-05-24 11:52:59] [INFO ] Flow matrix only has 515 transitions (discarded 197 similar events)
[2026-05-24 11:52:59] [INFO ] Invariant cache hit.
[2026-05-24 11:52:59] [INFO ] State equation strengthened by 47 read => feed constraints.
[2026-05-24 11:52:59] [INFO ] Implicit Places using invariants and state equation in 414 ms returned []
Implicit Place search using SMT with State Equation took 540 ms to find 0 implicit places.
Skipped dead transition search.
Finished structural reductions in LTL mode , in 1 iterations and 543 ms. Remains : 89/89 places, 712/712 transitions.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(G((G((X(X(p1))||p0))||(F(p2)&&(X(X(p1))||p3)))))'
Stuttering acceptance computed with spot in 399 ms :[(OR (AND (NOT p0) (NOT p1) (NOT p3)) (AND (NOT p0) (NOT p1) (NOT p2))), (NOT p1), (AND (NOT p2) (NOT p1)), (AND (NOT p0) (NOT p1)), (NOT p1), true, (AND (NOT p2) (NOT p1)), (NOT p1), (AND (NOT p1) (NOT p0) p3), (NOT p2), (AND (NOT p1) (NOT p0) p3)]
Running random walk in product with property : DoubleLock-PT-p3s2-LTLFireability-10
Product exploration explored 100000 steps with 1968 reset in 540 ms.
Product exploration explored 100000 steps with 1969 reset in 504 ms.
Computed a total of 7 stabilizing places and 176 stable transitions
Computed a total of 7 stabilizing places and 176 stable transitions
Knowledge based reduction with 9 factoid took 215 ms. Reduced automaton from 11 states, 17 edges and 4 AP (stutter sensitive) to 11 states, 17 edges and 4 AP (stutter sensitive).
Reduction of identical properties reduced properties to check from 10 to 7
RANDOM walk for 40008 steps (470 resets) in 125 ms. (317 steps per ms) remains 5/7 properties
BEST_FIRST walk for 40004 steps (89 resets) in 86 ms. (459 steps per ms) remains 5/5 properties
BEST_FIRST walk for 40004 steps (89 resets) in 122 ms. (325 steps per ms) remains 5/5 properties
BEST_FIRST walk for 40004 steps (80 resets) in 102 ms. (388 steps per ms) remains 5/5 properties
BEST_FIRST walk for 40004 steps (79 resets) in 107 ms. (370 steps per ms) remains 5/5 properties
BEST_FIRST walk for 40003 steps (79 resets) in 114 ms. (347 steps per ms) remains 5/5 properties
[2026-05-24 11:53:01] [INFO ] Flow matrix only has 515 transitions (discarded 197 similar events)
[2026-05-24 11:53:01] [INFO ] Invariant cache hit.
[2026-05-24 11:53:01] [INFO ] State equation strengthened by 47 read => feed constraints.
Problem apf4 is UNSAT
Problem apf5 is UNSAT
Problem apf9 is UNSAT
At refinement iteration 0 (INCLUDED_ONLY) 0/6 variables, 0/0 constraints. Problems are: Problem set: 3 solved, 2 unsolved
At refinement iteration 1 (OVERLAPS) 9/15 variables, 1/1 constraints. Problems are: Problem set: 3 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/15 variables, 0/1 constraints. Problems are: Problem set: 3 solved, 2 unsolved
At refinement iteration 3 (OVERLAPS) 240/255 variables, 15/16 constraints. Problems are: Problem set: 3 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/255 variables, 6/22 constraints. Problems are: Problem set: 3 solved, 2 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/255 variables, 0/22 constraints. Problems are: Problem set: 3 solved, 2 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (OVERLAPS) 343/598 variables, 68/90 constraints. Problems are: Problem set: 3 solved, 2 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/598 variables, 41/131 constraints. Problems are: Problem set: 3 solved, 2 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/598 variables, 0/131 constraints. Problems are: Problem set: 3 solved, 2 unsolved
At refinement iteration 9 (OVERLAPS) 6/604 variables, 1/132 constraints. Problems are: Problem set: 3 solved, 2 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/604 variables, 6/138 constraints. Problems are: Problem set: 3 solved, 2 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/604 variables, 0/138 constraints. Problems are: Problem set: 3 solved, 2 unsolved
At refinement iteration 12 (OVERLAPS) 0/604 variables, 0/138 constraints. Problems are: Problem set: 3 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Real declared 604/604 variables, and 138 constraints, problems are : Problem set: 3 solved, 2 unsolved in 308 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 89/89 constraints, ReadFeed: 47/47 constraints, PredecessorRefiner: 5/5 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 3 solved, 2 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/4 variables, 0/0 constraints. Problems are: Problem set: 3 solved, 2 unsolved
At refinement iteration 1 (OVERLAPS) 117/121 variables, 4/4 constraints. Problems are: Problem set: 3 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/121 variables, 0/4 constraints. Problems are: Problem set: 3 solved, 2 unsolved
At refinement iteration 3 (OVERLAPS) 463/584 variables, 65/69 constraints. Problems are: Problem set: 3 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/584 variables, 1/70 constraints. Problems are: Problem set: 3 solved, 2 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/584 variables, 47/117 constraints. Problems are: Problem set: 3 solved, 2 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/584 variables, 2/119 constraints. Problems are: Problem set: 3 solved, 2 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/584 variables, 1/120 constraints. Problems are: Problem set: 3 solved, 2 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/584 variables, 0/120 constraints. Problems are: Problem set: 3 solved, 2 unsolved
At refinement iteration 9 (OVERLAPS) 6/590 variables, 1/121 constraints. Problems are: Problem set: 3 solved, 2 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/590 variables, 6/127 constraints. Problems are: Problem set: 3 solved, 2 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/590 variables, 0/127 constraints. Problems are: Problem set: 3 solved, 2 unsolved
At refinement iteration 12 (OVERLAPS) 14/604 variables, 14/141 constraints. Problems are: Problem set: 3 solved, 2 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/604 variables, 0/141 constraints. Problems are: Problem set: 3 solved, 2 unsolved
At refinement iteration 14 (OVERLAPS) 0/604 variables, 0/141 constraints. Problems are: Problem set: 3 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Int declared 604/604 variables, and 141 constraints, problems are : Problem set: 3 solved, 2 unsolved in 1104 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 89/89 constraints, ReadFeed: 47/47 constraints, PredecessorRefiner: 2/5 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 1/1 constraints]
After SMT, in 1427ms problems are : Problem set: 3 solved, 2 unsolved
Parikh walk visited 0 properties in 0 ms.
Support contains 4 out of 89 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 89/89 places, 712/712 transitions.
Applied a total of 0 rules in 11 ms. Remains 89 /89 variables (removed 0) and now considering 712/712 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 11 ms. Remains : 89/89 places, 712/712 transitions.
RANDOM walk for 40008 steps (475 resets) in 131 ms. (303 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40004 steps (89 resets) in 78 ms. (506 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40003 steps (91 resets) in 118 ms. (336 steps per ms) remains 2/2 properties
Finished probabilistic random walk after 10367 steps, run visited all 2 properties in 118 ms. (steps per millisecond=87 )
Probabilistic random walk after 10367 steps, saw 7151 distinct states, run finished after 123 ms. (steps per millisecond=84 ) properties seen :2
Found 4 invariant AP formulas.
Knowledge based reduction with 13 factoid took 247 ms. Reduced automaton from 11 states, 17 edges and 4 AP (stutter sensitive) to 4 states, 5 edges and 2 AP (stutter sensitive).
Stuttering acceptance computed with spot in 131 ms :[(AND (NOT p3) (NOT p1)), (NOT p1), (NOT p1), true]
Knowledge-based reduction took 2509 ms.
Stuttering acceptance computed with spot in 118 ms :[(AND (NOT p3) (NOT p1)), (NOT p1), (NOT p1), true]
Support contains 4 out of 89 places. Attempting structural reductions.
Property had overlarge support with respect to TGBA, discarding it for now.
Starting structural reductions in LTL mode, iteration 0 : 89/89 places, 712/712 transitions.
Applied a total of 0 rules in 6 ms. Remains 89 /89 variables (removed 0) and now considering 712/712 (removed 0) transitions.
[2026-05-24 11:53:03] [INFO ] Flow matrix only has 515 transitions (discarded 197 similar events)
[2026-05-24 11:53:03] [INFO ] Invariant cache hit.
[2026-05-24 11:53:04] [INFO ] Implicit Places using invariants in 154 ms returned []
[2026-05-24 11:53:04] [INFO ] Flow matrix only has 515 transitions (discarded 197 similar events)
[2026-05-24 11:53:04] [INFO ] Invariant cache hit.
[2026-05-24 11:53:04] [INFO ] State equation strengthened by 47 read => feed constraints.
[2026-05-24 11:53:04] [INFO ] Implicit Places using invariants and state equation in 689 ms returned []
Implicit Place search using SMT with State Equation took 845 ms to find 0 implicit places.
Skipped dead transition search.
Finished structural reductions in LTL mode , in 1 iterations and 853 ms. Remains : 89/89 places, 712/712 transitions.
Computed a total of 7 stabilizing places and 176 stable transitions
Computed a total of 7 stabilizing places and 176 stable transitions
Knowledge based reduction with 2 factoid took 64 ms. Reduced automaton from 4 states, 5 edges and 2 AP (stutter sensitive) to 4 states, 5 edges and 2 AP (stutter sensitive).
RANDOM walk for 40002 steps (465 resets) in 85 ms. (465 steps per ms) remains 1/2 properties
BEST_FIRST walk for 36435 steps (88 resets) in 40 ms. (888 steps per ms) remains 0/1 properties
Knowledge based reduction with 2 factoid took 86 ms. Reduced automaton from 4 states, 5 edges and 2 AP (stutter sensitive) to 4 states, 5 edges and 2 AP (stutter sensitive).
Stuttering acceptance computed with spot in 146 ms :[(AND (NOT p3) (NOT p1)), (NOT p1), (NOT p1), true]
Knowledge-based reduction took 343 ms.
Stuttering acceptance computed with spot in 142 ms :[(AND (NOT p3) (NOT p1)), (NOT p1), (NOT p1), true]
Stuttering acceptance computed with spot in 158 ms :[(AND (NOT p3) (NOT p1)), (NOT p1), (NOT p1), true]
Product exploration explored 100000 steps with 1960 reset in 473 ms.
Product exploration explored 100000 steps with 1977 reset in 412 ms.
Spot run failed in 115 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/ltsmin13164343341184919068
[2026-05-24 11:53:06] [INFO ] Built C files in 10ms conformant to PINS (ltsmin variant)in folder :/tmp/ltsmin13164343341184919068
Running compilation step : cd /tmp/ltsmin13164343341184919068;'/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 1804 ms.
Running link step : cd /tmp/ltsmin13164343341184919068;'gcc' '-shared' '-o' 'gal.so' 'model.o'
Link finished in 60 ms.
Running LTSmin : cd /tmp/ltsmin13164343341184919068;'/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/stateBased15547875220741979422.hoa' '--buchi-type=spotba'
WARNING : LTS min runner thread was asked to interrupt. Dying gracefully.
Support contains 4 out of 89 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 89/89 places, 712/712 transitions.
Applied a total of 0 rules in 2 ms. Remains 89 /89 variables (removed 0) and now considering 712/712 (removed 0) transitions.
[2026-05-24 11:53:21] [INFO ] Flow matrix only has 515 transitions (discarded 197 similar events)
[2026-05-24 11:53:21] [INFO ] Invariant cache hit.
[2026-05-24 11:53:21] [INFO ] Implicit Places using invariants in 132 ms returned []
[2026-05-24 11:53:21] [INFO ] Flow matrix only has 515 transitions (discarded 197 similar events)
[2026-05-24 11:53:21] [INFO ] Invariant cache hit.
[2026-05-24 11:53:21] [INFO ] State equation strengthened by 47 read => feed constraints.
[2026-05-24 11:53:22] [INFO ] Implicit Places using invariants and state equation in 456 ms returned []
Implicit Place search using SMT with State Equation took 590 ms to find 0 implicit places.
Skipped dead transition search.
Finished structural reductions in LTL mode , in 1 iterations and 592 ms. Remains : 89/89 places, 712/712 transitions.
Built C files in :
/tmp/ltsmin15981081597065589063
[2026-05-24 11:53:22] [INFO ] Built C files in 16ms conformant to PINS (ltsmin variant)in folder :/tmp/ltsmin15981081597065589063
Running compilation step : cd /tmp/ltsmin15981081597065589063;'/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 1688 ms.
Running link step : cd /tmp/ltsmin15981081597065589063;'gcc' '-shared' '-o' 'gal.so' 'model.o'
Link finished in 57 ms.
Running LTSmin : cd /tmp/ltsmin15981081597065589063;'/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/stateBased3329311945864532658.hoa' '--buchi-type=spotba'
WARNING : LTS min runner thread was asked to interrupt. Dying gracefully.
[2026-05-24 11:53:37] [INFO ] Flatten gal took : 21 ms
[2026-05-24 11:53:37] [INFO ] Flatten gal took : 20 ms
[2026-05-24 11:53:37] [INFO ] Time to serialize gal into /tmp/LTL14971832622970401432.gal : 5 ms
[2026-05-24 11:53:37] [INFO ] Time to serialize properties into /tmp/LTL9933850777686018236.prop : 0 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202604301425/bin/its-ltl-linux64' '--gc-threshold' '2000000' '-i' '/tmp/LTL14971832622970401432.gal' '-t' 'CGAL' '-hoa' '/tmp/aut9665567432690247422.hoa' '-atoms' '/tmp/LTL9933850777686018236.prop' '-c' '-stutter-deadlock' '--gen-order' 'FOLLOW'

its-ltl command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202604301425/bin/its-ltl-linux64 --gc-threshold 2000000 -i /tmp/L...318
Loading property file /tmp/LTL9933850777686018236.prop.
Loaded 2 atomic propositions.
Checking formula 0 provided in automaton : /tmp/aut9665567432690247422.hoa
Detected timeout of ITS tools.
[2026-05-24 11:53:52] [INFO ] Flatten gal took : 15 ms
[2026-05-24 11:53:52] [INFO ] Flatten gal took : 14 ms
[2026-05-24 11:53:52] [INFO ] Time to serialize gal into /tmp/LTL16408859396713501097.gal : 4 ms
[2026-05-24 11:53:52] [INFO ] Time to serialize properties into /tmp/LTL3783751776028473156.ltl : 0 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202604301425/bin/its-ltl-linux64' '--gc-threshold' '2000000' '-i' '/tmp/LTL16408859396713501097.gal' '-t' 'CGAL' '-LTL' '/tmp/LTL3783751776028473156.ltl' '-c' '-stutter-deadlock' '--gen-order' 'FOLLOW'

its-ltl command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202604301425/bin/its-ltl-linux64 --gc-threshold 2000000 -i /tmp/L...276
Read 1 LTL properties
Checking formula 0 : !((G((G(("((p12<1)||(l21<1))")||(X(X("((p11<1)||(l28<1))")))))||((F("((p10>=1)&&(l12>=1))"))&&(("((p12<1)||(l21<1))")||(X(X("((p11<1)|...173
Formula 0 simplified : F(F(!"((p12<1)||(l21<1))" & XX!"((p11<1)||(l28<1))") & ((!"((p12<1)||(l21<1))" & XX!"((p11<1)||(l28<1))") | G!"((p10>=1)&&(l12>=1))"...157
Detected timeout of ITS tools.
[2026-05-24 11:54:07] [INFO ] Flatten gal took : 17 ms
[2026-05-24 11:54:07] [INFO ] Applying decomposition
[2026-05-24 11:54:07] [INFO ] Flatten gal took : 16 ms
Converted graph to binary with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202604301425/bin/convert-linux64' '-i' '/tmp/graph14123415757817862696.txt' '-o' '/tmp/graph14123415757817862696.bin' '-w' '/tmp/graph14123415757817862696.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202604301425/bin/louvain-linux64' '/tmp/graph14123415757817862696.bin' '-l' '-1' '-v' '-w' '/tmp/graph14123415757817862696.weights' '-q' '0' '-e' '0.001'
[2026-05-24 11:54:07] [INFO ] Decomposing Gal with order
[2026-05-24 11:54:07] [INFO ] Rewriting arrays to variables to allow decomposition.
[2026-05-24 11:54:07] [INFO ] Removed a total of 1644 redundant transitions.
[2026-05-24 11:54:07] [INFO ] Flatten gal took : 71 ms
[2026-05-24 11:54:07] [INFO ] Fuse similar labels procedure discarded/fused a total of 82 labels/synchronizations in 19 ms.
[2026-05-24 11:54:07] [INFO ] Time to serialize gal into /tmp/LTL682463426888165993.gal : 5 ms
[2026-05-24 11:54:07] [INFO ] Time to serialize properties into /tmp/LTL1484370957483484859.ltl : 1 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202604301425/bin/its-ltl-linux64' '--gc-threshold' '2000000' '-i' '/tmp/LTL682463426888165993.gal' '-t' 'CGAL' '-LTL' '/tmp/LTL1484370957483484859.ltl' '-c' '-stutter-deadlock'

its-ltl command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202604301425/bin/its-ltl-linux64 --gc-threshold 2000000 -i /tmp/L...253
Read 1 LTL properties
Checking formula 0 : !((G((G(("((i4.i1.u14.p12<1)||(i4.i2.u31.l21<1))")||(X(X("((i3.u13.p11<1)||(i5.u25.l28<1))")))))||((F("((i3.u5.p10>=1)&&(i3.u21.l12>=1...254
Formula 0 simplified : F(F(!"((i4.i1.u14.p12<1)||(i4.i2.u31.l21<1))" & XX!"((i3.u13.p11<1)||(i5.u25.l28<1))") & ((!"((i4.i1.u14.p12<1)||(i4.i2.u31.l21<1))"...238
Detected timeout of ITS tools.
Treatment of property DoubleLock-PT-p3s2-LTLFireability-10 finished in 83347 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X((F(!p0) U (G(p1)||X(X(!p1))))))'
Support contains 4 out of 89 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 89/89 places, 712/712 transitions.
Applied a total of 0 rules in 2 ms. Remains 89 /89 variables (removed 0) and now considering 712/712 (removed 0) transitions.
[2026-05-24 11:54:22] [INFO ] Flow matrix only has 515 transitions (discarded 197 similar events)
[2026-05-24 11:54:22] [INFO ] Invariant cache hit.
[2026-05-24 11:54:22] [INFO ] Implicit Places using invariants in 138 ms returned []
[2026-05-24 11:54:22] [INFO ] Flow matrix only has 515 transitions (discarded 197 similar events)
[2026-05-24 11:54:22] [INFO ] Invariant cache hit.
[2026-05-24 11:54:22] [INFO ] State equation strengthened by 47 read => feed constraints.
[2026-05-24 11:54:23] [INFO ] Implicit Places using invariants and state equation in 453 ms returned []
Implicit Place search using SMT with State Equation took 593 ms to find 0 implicit places.
Skipped dead transition search.
Finished structural reductions in LTL mode , in 1 iterations and 596 ms. Remains : 89/89 places, 712/712 transitions.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X((F(!p0) U (G(p1)||X(X(!p1))))))'
Stuttering acceptance computed with spot in 455 ms :[false, false, false, (AND p1 p0), false, false, (AND p0 p1), false, (AND p0 p1), false, p0, (AND p0 (NOT p1))]
Running random walk in product with property : DoubleLock-PT-p3s2-LTLFireability-12
Product exploration explored 100000 steps with 23906 reset in 214 ms.
Product exploration explored 100000 steps with 23846 reset in 233 ms.
Computed a total of 7 stabilizing places and 176 stable transitions
Computed a total of 7 stabilizing places and 176 stable transitions
Knowledge based reduction with 8 factoid took 84 ms. Reduced automaton from 12 states, 18 edges and 2 AP (stutter sensitive) to 8 states, 13 edges and 2 AP (stutter sensitive).
RANDOM walk for 40004 steps (464 resets) in 155 ms. (256 steps per ms) remains 1/5 properties
BEST_FIRST walk for 40003 steps (83 resets) in 42 ms. (930 steps per ms) remains 1/1 properties
[2026-05-24 11:54:24] [INFO ] Flow matrix only has 515 transitions (discarded 197 similar events)
[2026-05-24 11:54:24] [INFO ] Invariant cache hit.
[2026-05-24 11:54:24] [INFO ] State equation strengthened by 47 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/4 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 8/12 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/12 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 174/186 variables, 12/13 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/186 variables, 4/17 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/186 variables, 0/17 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 398/584 variables, 57/74 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/584 variables, 43/117 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/584 variables, 0/117 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 9 (OVERLAPS) 20/604 variables, 1/118 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Problem apf0 is UNSAT
After SMT solving in domain Real declared 604/604 variables, and 138 constraints, problems are : Problem set: 1 solved, 0 unsolved in 297 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 89/89 constraints, ReadFeed: 47/47 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 304ms problems are : Problem set: 1 solved, 0 unsolved
Skipping Parikh replay, no witness traces provided.
Found 1 invariant AP formulas.
Property proved to be true by K+ with min(!phi)
Knowledge based reduction with 9 factoid took 17 ms. Proved property starting from automaton with 8 states, 13 edges and 2 AP (stutter sensitive
Knowledge-based reduction took 494 ms.
FORMULA DoubleLock-PT-p3s2-LTLFireability-12 TRUE TECHNIQUES KNOWLEDGE
Treatment of property DoubleLock-PT-p3s2-LTLFireability-12 finished in 2035 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X((p0||X(G((G(p2)||p1))))))'
Support contains 4 out of 89 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 89/89 places, 712/712 transitions.
Applied a total of 0 rules in 1 ms. Remains 89 /89 variables (removed 0) and now considering 712/712 (removed 0) transitions.
[2026-05-24 11:54:24] [INFO ] Flow matrix only has 515 transitions (discarded 197 similar events)
[2026-05-24 11:54:24] [INFO ] Invariant cache hit.
[2026-05-24 11:54:24] [INFO ] Implicit Places using invariants in 108 ms returned []
[2026-05-24 11:54:24] [INFO ] Flow matrix only has 515 transitions (discarded 197 similar events)
[2026-05-24 11:54:24] [INFO ] Invariant cache hit.
[2026-05-24 11:54:24] [INFO ] State equation strengthened by 47 read => feed constraints.
[2026-05-24 11:54:25] [INFO ] Implicit Places using invariants and state equation in 439 ms returned []
Implicit Place search using SMT with State Equation took 549 ms to find 0 implicit places.
Skipped dead transition search.
Finished structural reductions in LTL mode , in 1 iterations and 552 ms. Remains : 89/89 places, 712/712 transitions.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X((X(G((G(p1)||p0)))||p2)))'
Stuttering acceptance computed with spot in 148 ms :[true, (AND (NOT p2) (NOT p1) (NOT p0)), (AND (NOT p2) (NOT p1) (NOT p0)), (NOT p1), (AND (NOT p1) (NOT p0))]
Running random walk in product with property : DoubleLock-PT-p3s2-LTLFireability-13
Entered a terminal (fully accepting) state of product in 67 steps with 0 reset in 0 ms.
FORMULA DoubleLock-PT-p3s2-LTLFireability-13 FALSE TECHNIQUES STUTTER_TEST
Treatment of property DoubleLock-PT-p3s2-LTLFireability-13 finished in 731 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)))'
Spot run failed in 53 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/senseclsl.py", line 2, in
import spot, sys
ModuleNotFoundError: No module named 'spot'
Warning : SL/CL computation failed.
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)))'
Spot run failed in 50 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/senseclsl.py", line 2, in
import spot, sys
ModuleNotFoundError: No module named 'spot'
Warning : SL/CL computation failed.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(G((G((!p0||X(X(!p1))))||((!p0||X(X(!p1)))&&F(p2)))))'
Spot run failed in 48 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/senseclsl.py", line 2, in
import spot, sys
ModuleNotFoundError: No module named 'spot'
Warning : SL/CL computation failed.
[2026-05-24 11:54:25] [INFO ] Flatten gal took : 23 ms
Using solver Z3 to compute partial order matrices.
Built C files in :
/tmp/ltsmin2050169504669003674
[2026-05-24 11:54:25] [INFO ] Computing symmetric may disable matrix : 712 transitions.
[2026-05-24 11:54:25] [INFO ] Applying decomposition
[2026-05-24 11:54:25] [INFO ] Computation of Complete disable matrix. took 4 ms. Total solver calls (SAT/UNSAT): 0(0/0)
[2026-05-24 11:54:25] [INFO ] Computing symmetric may enable matrix : 712 transitions.
[2026-05-24 11:54:25] [INFO ] Computation of Complete enable matrix. took 3 ms. Total solver calls (SAT/UNSAT): 0(0/0)
[2026-05-24 11:54:25] [INFO ] Flatten gal took : 13 ms
Converted graph to binary with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202604301425/bin/convert-linux64' '-i' '/tmp/graph315847281309637036.txt' '-o' '/tmp/graph315847281309637036.bin' '-w' '/tmp/graph315847281309637036.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202604301425/bin/louvain-linux64' '/tmp/graph315847281309637036.bin' '-l' '-1' '-v' '-w' '/tmp/graph315847281309637036.weights' '-q' '0' '-e' '0.001'
[2026-05-24 11:54:25] [INFO ] Decomposing Gal with order
[2026-05-24 11:54:25] [INFO ] Rewriting arrays to variables to allow decomposition.
[2026-05-24 11:54:25] [INFO ] Removed a total of 1644 redundant transitions.
[2026-05-24 11:54:25] [INFO ] Flatten gal took : 38 ms
[2026-05-24 11:54:25] [INFO ] Fuse similar labels procedure discarded/fused a total of 74 labels/synchronizations in 11 ms.
[2026-05-24 11:54:25] [INFO ] Computing Do-Not-Accords matrix : 712 transitions.
[2026-05-24 11:54:25] [INFO ] Time to serialize gal into /tmp/LTLFireability13521140773881756052.gal : 9 ms
[2026-05-24 11:54:25] [INFO ] Time to serialize properties into /tmp/LTLFireability9918988226919212474.ltl : 1 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202604301425/bin/its-ltl-linux64' '--gc-threshold' '2000000' '-i' '/tmp/LTLFireability13521140773881756052.gal' '-t' 'CGAL' '-LTL' '/tmp/LTLFireability9918988226919212474.ltl' '-c' '-stutter-deadlock'

its-ltl command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202604301425/bin/its-ltl-linux64 --gc-threshold 2000000 -i /tmp/L...277
Read 3 LTL properties
[2026-05-24 11:54:25] [INFO ] Computation of Completed DNA matrix. took 24 ms. Total solver calls (SAT/UNSAT): 0(0/0)
[2026-05-24 11:54:25] [INFO ] Built C files in 213ms conformant to PINS (ltsmin variant)in folder :/tmp/ltsmin2050169504669003674
Running compilation step : cd /tmp/ltsmin2050169504669003674;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202604301425/bin/limit_time.pl' '240' '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'
Checking formula 0 : !((G(F("((i1.u13.s7<1)||(i0.i2.u17.l4<1))"))))
Formula 0 simplified : FG!"((i1.u13.s7<1)||(i0.i2.u17.l4<1))"
Compilation finished in 2975 ms.
Running link step : cd /tmp/ltsmin2050169504669003674;'gcc' '-shared' '-o' 'gal.so' 'model.o'
Link finished in 81 ms.
Running LTSmin : cd /tmp/ltsmin2050169504669003674;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202604301425/bin/pins2lts-seq-linux64' './gal.so' '-p' '--pins-guards' '--when' '--ltl' '[](<>((LTLAPp0==true)))' '--buchi-type=spotba'
WARNING : LTSmin timed out (>400 s) on command cd /tmp/ltsmin2050169504669003674;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202604301425/bin/pins2lts-seq-linux64' './gal.so' '-p' '--pins-guards' '--when' '--ltl' '[](<>((LTLAPp0==true)))' '--buchi-type=spotba'
Running LTSmin : cd /tmp/ltsmin2050169504669003674;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202604301425/bin/pins2lts-seq-linux64' './gal.so' '-p' '--pins-guards' '--when' '--ltl' '<>([]((LTLAPp1==true)))' '--buchi-type=spotba'
WARNING : LTSmin timed out (>400 s) on command cd /tmp/ltsmin2050169504669003674;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202604301425/bin/pins2lts-seq-linux64' './gal.so' '-p' '--pins-guards' '--when' '--ltl' '<>([]((LTLAPp1==true)))' '--buchi-type=spotba'
Running LTSmin : cd /tmp/ltsmin2050169504669003674;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202604301425/bin/pins2lts-seq-linux64' './gal.so' '--when' '--ltl' '[](([]((!(LTLAPp2==true)||X(X(!(LTLAPp3==true)))))||((!(LTLAPp2==true)||X(X(!(LTLAPp3==true))))&&<>((LTLAPp4==true)))))' '--buchi-type=spotba'
WARNING : LTSmin timed out (>400 s) on command cd /tmp/ltsmin2050169504669003674;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202604301425/bin/pins2lts-seq-linux64' './gal.so' '--when' '--ltl' '[](([]((!(LTLAPp2==true)||X(X(!(LTLAPp3==true)))))||((!(LTLAPp2==true)||X(X(!(LTLAPp3==true))))&&<>((LTLAPp4==true)))))' '--buchi-type=spotba'
Retrying LTSmin with larger timeout 9600 s
Running LTSmin : cd /tmp/ltsmin2050169504669003674;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202604301425/bin/pins2lts-seq-linux64' './gal.so' '-p' '--pins-guards' '--when' '--ltl' '[](<>((LTLAPp0==true)))' '--buchi-type=spotba'
Detected timeout of ITS tools.
[2026-05-24 12:17:12] [INFO ] Flatten gal took : 14 ms
[2026-05-24 12:17:12] [INFO ] Time to serialize gal into /tmp/LTLFireability7132577644191183335.gal : 4 ms
[2026-05-24 12:17:12] [INFO ] Time to serialize properties into /tmp/LTLFireability10544706903251213999.ltl : 1 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202604301425/bin/its-ltl-linux64' '--gc-threshold' '2000000' '-i' '/tmp/LTLFireability7132577644191183335.gal' '-t' 'CGAL' '-LTL' '/tmp/LTLFireability10544706903251213999.ltl' '-c' '-stutter-deadlock' '--gen-order' 'FOLLOW'

its-ltl command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202604301425/bin/its-ltl-linux64 --gc-threshold 2000000 -i /tmp/L...298
Read 3 LTL properties
Checking formula 0 : !((G(F("((s7<1)||(l4<1))"))))
Formula 0 simplified : FG!"((s7<1)||(l4<1))"
Detected timeout of ITS tools.
[2026-05-24 12:40:00] [INFO ] Flatten gal took : 294 ms
[2026-05-24 12:40:01] [INFO ] Input system was already deterministic with 712 transitions.
[2026-05-24 12:40:01] [INFO ] Transformed 89 places.
[2026-05-24 12:40:02] [INFO ] Transformed 712 transitions.
Running greatSPN : cd /home/mcc/execution;'/home/mcc/BenchKit/bin//../itstools/bin//..//greatspn//bin/pinvar' '/home/mcc/execution/gspn'
Run of greatSPN captured in /home/mcc/execution/outPut.txt
Running greatSPN : cd /home/mcc/execution;'/home/mcc/BenchKit/bin//../itstools/bin//..//greatspn//bin/RGMEDD2' '/home/mcc/execution/gspn' '-META' '-varord-only'
Run of greatSPN captured in /home/mcc/execution/outPut.txt
Using order generated by GreatSPN with heuristic : META
[2026-05-24 12:40:02] [INFO ] Time to serialize gal into /tmp/LTLFireability8654951257252579738.gal : 17 ms
[2026-05-24 12:40:02] [INFO ] Time to serialize properties into /tmp/LTLFireability5457272004810148980.ltl : 15 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202604301425/bin/its-ltl-linux64' '--gc-threshold' '2000000' '-i' '/tmp/LTLFireability8654951257252579738.gal' '-t' 'CGAL' '-LTL' '/tmp/LTLFireability5457272004810148980.ltl' '-c' '-stutter-deadlock' '--load-order' '/home/mcc/execution/model.ord' '--gen-order' 'FOLLOW'

its-ltl command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202604301425/bin/its-ltl-linux64 --gc-threshold 2000000 -i /tmp/L...342
Read 3 LTL properties
Successfully loaded order from file /home/mcc/execution/model.ord
Checking formula 0 : !((G(F("((s7<1)||(l4<1))"))))
Formula 0 simplified : FG!"((s7<1)||(l4<1))"

BK_TIME_CONFINEMENT_REACHED

--------------------
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="DoubleLock-PT-p3s2"
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 DoubleLock-PT-p3s2, 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 r114-smll-177955740400052"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/DoubleLock-PT-p3s2.tgz
mv DoubleLock-PT-p3s2 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 ;