About the Execution of ITS-Tools for Diffusion2D-PT-D20N150
| Execution Summary | |||||
| Max Memory Used (MB) |
Time wait (ms) | CPU Usage (ms) | I/O Wait (ms) | Computed Result | Execution Status |
| 1408.584 | 388640.00 | 488784.00 | 858.30 | FFFFFFFFFFFFTFFF | normal |
Execution Chart
We display below the execution chart for this examination (boot time has been removed).
Trace from the execution
Formatting '/data/fkordon/mcc2026-input.r098-tall-177955695400132.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 Diffusion2D-PT-D20N150, examination is LTLFireability
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r098-tall-177955695400132
=====================================================================
--------------------
preparation of the directory to be used:
/home/mcc/execution
total 1.6M
-rw-r--r-- 1 mcc users 8.4K Mar 6 16:01 CTLCardinality.txt
-rw-r--r-- 1 mcc users 77K Mar 6 16:01 CTLCardinality.xml
-rw-r--r-- 1 mcc users 6.2K Mar 6 16:01 CTLFireability.txt
-rw-r--r-- 1 mcc users 48K Mar 6 16:01 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K Mar 3 18:30 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 6.3K Mar 3 18:30 GenericPropertiesVerdict.xml
-rw-r--r-- 1 mcc users 4.8K Mar 15 09:05 LTLCardinality.txt
-rw-r--r-- 1 mcc users 29K Mar 15 09:05 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.8K Mar 15 09:06 LTLFireability.txt
-rw-r--r-- 1 mcc users 19K Mar 15 09:06 LTLFireability.xml
-rw-r--r-- 1 mcc users 11K Mar 6 16:01 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 84K Mar 6 16:01 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 8.9K Mar 6 16:01 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 60K Mar 6 16:01 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.8K Mar 15 09:06 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.8K Mar 15 09:06 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 Mar 3 18:30 equiv_col
-rw-r--r-- 1 mcc users 8 Mar 3 18:30 instance
-rw-r--r-- 1 mcc users 6 Mar 3 18:30 iscolored
-rw-r--r-- 1 mcc users 1.2M 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 Diffusion2D-PT-D20N150-LTLFireability-00
FORMULA_NAME Diffusion2D-PT-D20N150-LTLFireability-01
FORMULA_NAME Diffusion2D-PT-D20N150-LTLFireability-02
FORMULA_NAME Diffusion2D-PT-D20N150-LTLFireability-03
FORMULA_NAME Diffusion2D-PT-D20N150-LTLFireability-04
FORMULA_NAME Diffusion2D-PT-D20N150-LTLFireability-05
FORMULA_NAME Diffusion2D-PT-D20N150-LTLFireability-06
FORMULA_NAME Diffusion2D-PT-D20N150-LTLFireability-07
FORMULA_NAME Diffusion2D-PT-D20N150-LTLFireability-08
FORMULA_NAME Diffusion2D-PT-D20N150-LTLFireability-09
FORMULA_NAME Diffusion2D-PT-D20N150-LTLFireability-10
FORMULA_NAME Diffusion2D-PT-D20N150-LTLFireability-11
FORMULA_NAME Diffusion2D-PT-D20N150-LTLFireability-12
FORMULA_NAME Diffusion2D-PT-D20N150-LTLFireability-13
FORMULA_NAME Diffusion2D-PT-D20N150-LTLFireability-14
FORMULA_NAME Diffusion2D-PT-D20N150-LTLFireability-15
=== Now, execution of the tool begins
BK_START 1779573913242
Invoking MCC driver with
BK_TOOL=itstools
BK_EXAMINATION=LTLFireability
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=Diffusion2D-PT-D20N150
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
LTLFireability PT
Running Version 202604301425
[2026-05-23 22:05:14] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, LTLFireability, -its, -ltsmin, -greatspnpath, /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/, -order, META, -manyOrder, -smt, -timeout, 3600]
[2026-05-23 22:05:14] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-05-23 22:05:14] [INFO ] Load time of PNML (sax parser for PT used): 166 ms
[2026-05-23 22:05:14] [INFO ] Transformed 400 places.
[2026-05-23 22:05:14] [INFO ] Transformed 2964 transitions.
[2026-05-23 22:05:14] [INFO ] Parsed PT model containing 400 places and 2964 transitions and 5928 arcs in 267 ms.
Parsed 16 properties from file /home/mcc/execution/LTLFireability.xml in 9 ms.
Working with output stream class java.io.PrintStream
Initial state reduction rules removed 1 formulas.
FORMULA Diffusion2D-PT-D20N150-LTLFireability-01 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Support contains 39 out of 400 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 400/400 places, 2964/2964 transitions.
Applied a total of 0 rules in 73 ms. Remains 400 /400 variables (removed 0) and now considering 2964/2964 (removed 0) transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-17614910222684199641.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-2555223372669885085.kers'
[2026-05-23 22:05:15] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-17614910222684199641.kers, --Pflows, --basisKERS=/tmp/petrispot-output-2555223372669885085.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 2964 rows 400 cols 5928 entries
Finished phase 1 with 399 SingleSign rule and 0 generalized
[2026-05-23 22:05:15] [INFO ] Computed 1 invariants in 8 ms
Computed 1 P flows in 9 ms.
Exported basis to /tmp/petrispot-output-2555223372669885085.kers
Total runtime 11 ms.
[2026-05-23 22:05:15] [INFO ] Implicit Places using invariants in 234 ms returned []
[2026-05-23 22:05:15] [INFO ] Invariant cache hit.
[2026-05-23 22:05:15] [INFO ] Implicit Places using invariants and state equation in 547 ms returned []
Implicit Place search using SMT with State Equation took 822 ms to find 0 implicit places.
Running 2956 sub problems to find dead transitions.
[2026-05-23 22:05:15] [INFO ] Invariant cache hit.
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 399/3364 variables, and 0 constraints, problems are : Problem set: 0 solved, 2956 unsolved in 30065 ms.
Refiners :[Positive P Invariants (semi-flows): 0/1 constraints, State Equation: 0/400 constraints, PredecessorRefiner: 2956/2956 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 2956 unsolved
Error getting values : (error "Timeout of Z3 solver reached")
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 399/3364 variables, and 0 constraints, problems are : Problem set: 0 solved, 2956 unsolved in 30044 ms.
Refiners :[Positive P Invariants (semi-flows): 0/1 constraints, State Equation: 0/400 constraints, PredecessorRefiner: 0/2956 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 61294ms problems are : Problem set: 0 solved, 2956 unsolved
Search for dead transitions found 0 dead transitions in 61319ms
Finished structural reductions in LTL mode , in 1 iterations and 62262 ms. Remains : 400/400 places, 2964/2964 transitions.
Starting structural reductions in LTL mode, iteration 0 : 400/400 places, 2964/2964 transitions.
Applied a total of 0 rules in 106 ms. Remains 400 /400 variables (removed 0) and now considering 2964/2964 (removed 0) transitions.
[2026-05-23 22:06:17] [INFO ] Invariant cache hit.
[2026-05-23 22:06:17] [INFO ] Implicit Places using invariants in 57 ms returned []
[2026-05-23 22:06:17] [INFO ] Invariant cache hit.
[2026-05-23 22:06:17] [INFO ] Implicit Places using invariants and state equation in 422 ms returned []
Implicit Place search using SMT with State Equation took 499 ms to find 0 implicit places.
Skipped dead transition search.
Finished structural reductions in LTL mode , in 1 iterations and 607 ms. Remains : 400/400 places, 2964/2964 transitions.
Support contains 39 out of 400 places after structural reductions.
[2026-05-23 22:06:18] [INFO ] Flatten gal took : 145 ms
[2026-05-23 22:06:18] [INFO ] Flatten gal took : 78 ms
[2026-05-23 22:06:18] [INFO ] Input system was already deterministic with 2964 transitions.
RANDOM walk for 40472 steps (8 resets) in 185 ms. (217 steps per ms) remains 30/37 properties
BEST_FIRST walk for 4004 steps (8 resets) in 44 ms. (88 steps per ms) remains 30/30 properties
BEST_FIRST walk for 4004 steps (8 resets) in 24 ms. (160 steps per ms) remains 30/30 properties
BEST_FIRST walk for 4004 steps (8 resets) in 22 ms. (174 steps per ms) remains 30/30 properties
BEST_FIRST walk for 4004 steps (8 resets) in 12 ms. (308 steps per ms) remains 30/30 properties
BEST_FIRST walk for 4004 steps (8 resets) in 23 ms. (166 steps per ms) remains 30/30 properties
BEST_FIRST walk for 4004 steps (8 resets) in 29 ms. (133 steps per ms) remains 28/30 properties
BEST_FIRST walk for 4004 steps (8 resets) in 26 ms. (148 steps per ms) remains 28/28 properties
BEST_FIRST walk for 4004 steps (8 resets) in 25 ms. (154 steps per ms) remains 28/28 properties
BEST_FIRST walk for 4004 steps (8 resets) in 22 ms. (174 steps per ms) remains 28/28 properties
BEST_FIRST walk for 4003 steps (8 resets) in 26 ms. (148 steps per ms) remains 28/28 properties
BEST_FIRST walk for 4004 steps (8 resets) in 19 ms. (200 steps per ms) remains 28/28 properties
BEST_FIRST walk for 4004 steps (8 resets) in 14 ms. (266 steps per ms) remains 27/28 properties
BEST_FIRST walk for 4003 steps (8 resets) in 16 ms. (235 steps per ms) remains 27/27 properties
BEST_FIRST walk for 4003 steps (8 resets) in 17 ms. (222 steps per ms) remains 27/27 properties
BEST_FIRST walk for 4003 steps (8 resets) in 10 ms. (363 steps per ms) remains 27/27 properties
BEST_FIRST walk for 4004 steps (8 resets) in 14 ms. (266 steps per ms) remains 27/27 properties
BEST_FIRST walk for 4004 steps (8 resets) in 13 ms. (286 steps per ms) remains 27/27 properties
BEST_FIRST walk for 4004 steps (8 resets) in 16 ms. (235 steps per ms) remains 27/27 properties
BEST_FIRST walk for 4003 steps (8 resets) in 14 ms. (266 steps per ms) remains 27/27 properties
BEST_FIRST walk for 4004 steps (8 resets) in 16 ms. (235 steps per ms) remains 27/27 properties
BEST_FIRST walk for 4004 steps (8 resets) in 16 ms. (235 steps per ms) remains 27/27 properties
BEST_FIRST walk for 4004 steps (8 resets) in 12 ms. (308 steps per ms) remains 27/27 properties
BEST_FIRST walk for 4004 steps (8 resets) in 20 ms. (190 steps per ms) remains 27/27 properties
BEST_FIRST walk for 4004 steps (8 resets) in 11 ms. (333 steps per ms) remains 27/27 properties
BEST_FIRST walk for 4004 steps (8 resets) in 11 ms. (333 steps per ms) remains 27/27 properties
BEST_FIRST walk for 4004 steps (8 resets) in 7 ms. (500 steps per ms) remains 27/27 properties
BEST_FIRST walk for 4004 steps (8 resets) in 8 ms. (444 steps per ms) remains 27/27 properties
BEST_FIRST walk for 4004 steps (8 resets) in 6 ms. (572 steps per ms) remains 27/27 properties
BEST_FIRST walk for 4004 steps (8 resets) in 8 ms. (444 steps per ms) remains 27/27 properties
[2026-05-23 22:06:18] [INFO ] Invariant cache hit.
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/30 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 27 unsolved
At refinement iteration 1 (OVERLAPS) 370/400 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 27 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/400 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 27 unsolved
At refinement iteration 3 (OVERLAPS) 2964/3364 variables, 400/401 constraints. Problems are: Problem set: 0 solved, 27 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/3364 variables, 0/401 constraints. Problems are: Problem set: 0 solved, 27 unsolved
At refinement iteration 5 (OVERLAPS) 0/3364 variables, 0/401 constraints. Problems are: Problem set: 0 solved, 27 unsolved
No progress, stopping.
After SMT solving in domain Real declared 3364/3364 variables, and 401 constraints, problems are : Problem set: 0 solved, 27 unsolved in 2178 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 400/400 constraints, PredecessorRefiner: 27/27 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 27 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/30 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 27 unsolved
At refinement iteration 1 (OVERLAPS) 370/400 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 27 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/400 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 27 unsolved
At refinement iteration 3 (OVERLAPS) 2964/3364 variables, 400/401 constraints. Problems are: Problem set: 0 solved, 27 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/3364 variables, 27/428 constraints. Problems are: Problem set: 0 solved, 27 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/3364 variables, 0/428 constraints. Problems are: Problem set: 0 solved, 27 unsolved
Error getting values : (error "Timeout of Z3 solver reached")
Error getting values : (error "Error writing to Z3 solver: java.io.IOException: Broken pipe")
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 3364/3364 variables, and 428 constraints, problems are : Problem set: 0 solved, 27 unsolved in 5020 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 400/400 constraints, PredecessorRefiner: 27/27 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 7222ms problems are : Problem set: 0 solved, 27 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 30 out of 400 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 400/400 places, 2964/2964 transitions.
Graph (trivial) has 2546 edges and 400 vertex of which 370 / 400 are part of one of the 1 SCC in 9 ms
Free SCC test removed 369 places
Drop transitions (Empty/Sink Transition effects.) removed 2546 transitions
Ensure Unique test removed 338 transitions
Reduce isomorphic transitions removed 2884 transitions.
Drop transitions (Redundant composition of simpler transitions.) removed 27 transitions
Redundant transition composition rules discarded 27 transitions
Iterating global reduction 0 with 27 rules applied. Total rules applied 28 place count 31 transition count 53
Applied a total of 28 rules in 28 ms. Remains 31 /400 variables (removed 369) and now considering 53/2964 (removed 2911) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 28 ms. Remains : 31/400 places, 53/2964 transitions.
RANDOM walk for 40490 steps (8 resets) in 29 ms. (1349 steps per ms) remains 2/27 properties
BEST_FIRST walk for 6787 steps (1 resets) in 12 ms. (522 steps per ms) remains 0/2 properties
FORMULA Diffusion2D-PT-D20N150-LTLFireability-09 FALSE TECHNIQUES REACHABILITY_KNOWLEDGE
FORMULA Diffusion2D-PT-D20N150-LTLFireability-13 FALSE TECHNIQUES REACHABILITY_KNOWLEDGE
Computed a total of 0 stabilizing places and 0 stable transitions
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(G((F(p0)&&F(p1))))'
Support contains 3 out of 400 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 400/400 places, 2964/2964 transitions.
Graph (trivial) has 2916 edges and 400 vertex of which 397 / 400 are part of one of the 1 SCC in 3 ms
Free SCC test removed 396 places
Ensure Unique test removed 2957 transitions
Reduce isomorphic transitions removed 2957 transitions.
Applied a total of 1 rules in 8 ms. Remains 4 /400 variables (removed 396) and now considering 7/2964 (removed 2957) transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-2152424426109041985.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-5482944264343053643.kers'
[2026-05-23 22:06:26] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-2152424426109041985.kers, --Pflows, --basisKERS=/tmp/petrispot-output-5482944264343053643.kers]
Normalized transition count is 6 out of 7 initially.
Culled 0 columns in 0 ms.
// Phase 1: matrix 6 rows 4 cols 12 entries
Finished phase 1 with 3 SingleSign rule and 0 generalized
[2026-05-23 22:06:26] [INFO ] Computed 1 invariants in 0 ms
Computed 1 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-5482944264343053643.kers
Total runtime 0 ms.
[2026-05-23 22:06:26] [INFO ] Implicit Places using invariants in 18 ms returned []
[2026-05-23 22:06:26] [INFO ] Invariant cache hit.
[2026-05-23 22:06:26] [INFO ] Implicit Places using invariants and state equation in 17 ms returned []
Implicit Place search using SMT with State Equation took 37 ms to find 0 implicit places.
[2026-05-23 22:06:26] [INFO ] Redundant transitions in 0 ms returned []
Running 3 sub problems to find dead transitions.
[2026-05-23 22:06:26] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/3 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 1 (OVERLAPS) 1/4 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/4 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 3 (OVERLAPS) 6/10 variables, 4/5 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/10 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 5 (OVERLAPS) 0/10 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 3 unsolved
No progress, stopping.
After SMT solving in domain Real declared 10/11 variables, and 5 constraints, problems are : Problem set: 0 solved, 3 unsolved in 44 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 4/4 constraints, PredecessorRefiner: 3/3 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 3 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/3 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 1 (OVERLAPS) 1/4 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/4 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 3 (OVERLAPS) 6/10 variables, 4/5 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/10 variables, 3/8 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/10 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 6 (OVERLAPS) 0/10 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 3 unsolved
No progress, stopping.
After SMT solving in domain Int declared 10/11 variables, and 8 constraints, problems are : Problem set: 0 solved, 3 unsolved in 32 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 4/4 constraints, PredecessorRefiner: 3/3 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 79ms problems are : Problem set: 0 solved, 3 unsolved
Search for dead transitions found 0 dead transitions in 79ms
Starting structural reductions in SI_LTL mode, iteration 1 : 4/400 places, 7/2964 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 134 ms. Remains : 4/400 places, 7/2964 transitions.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(G((F(p0)&&F(p1))))'
Stuttering acceptance computed with spot in 284 ms :[(OR (NOT p0) (NOT p1)), (NOT p0), (NOT p1)]
Running random walk in product with property : Diffusion2D-PT-D20N150-LTLFireability-00
Stuttering criterion allowed to conclude after 0 steps with 0 reset in 17 ms.
FORMULA Diffusion2D-PT-D20N150-LTLFireability-00 FALSE TECHNIQUES STUTTER_TEST
Treatment of property Diffusion2D-PT-D20N150-LTLFireability-00 finished in 513 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)&&F(p1)&&(F(p2)||G(p3))))'
Support contains 4 out of 400 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 400/400 places, 2964/2964 transitions.
Applied a total of 0 rules in 13 ms. Remains 400 /400 variables (removed 0) and now considering 2964/2964 (removed 0) transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-1020169633825493708.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-4715759121358537487.kers'
[2026-05-23 22:06:26] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-1020169633825493708.kers, --Pflows, --basisKERS=/tmp/petrispot-output-4715759121358537487.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 2964 rows 400 cols 5928 entries
Finished phase 1 with 399 SingleSign rule and 0 generalized
[2026-05-23 22:06:26] [INFO ] Computed 1 invariants in 8 ms
Computed 1 P flows in 8 ms.
Exported basis to /tmp/petrispot-output-4715759121358537487.kers
Total runtime 10 ms.
[2026-05-23 22:06:26] [INFO ] Implicit Places using invariants in 74 ms returned []
[2026-05-23 22:06:26] [INFO ] Invariant cache hit.
[2026-05-23 22:06:27] [INFO ] Implicit Places using invariants and state equation in 456 ms returned []
Implicit Place search using SMT with State Equation took 532 ms to find 0 implicit places.
Running 2956 sub problems to find dead transitions.
[2026-05-23 22:06:27] [INFO ] Invariant cache hit.
Error getting values : (error "Timeout of Z3 solver reached")
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 399/3364 variables, and 0 constraints, problems are : Problem set: 0 solved, 2956 unsolved in 30043 ms.
Refiners :[Positive P Invariants (semi-flows): 0/1 constraints, State Equation: 0/400 constraints, PredecessorRefiner: 2956/2956 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 2956 unsolved
Error getting values : (error "Timeout of Z3 solver reached")
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 399/3364 variables, and 0 constraints, problems are : Problem set: 0 solved, 2956 unsolved in 30042 ms.
Refiners :[Positive P Invariants (semi-flows): 0/1 constraints, State Equation: 0/400 constraints, PredecessorRefiner: 0/2956 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 61160ms problems are : Problem set: 0 solved, 2956 unsolved
Search for dead transitions found 0 dead transitions in 61171ms
Finished structural reductions in LTL mode , in 1 iterations and 61727 ms. Remains : 400/400 places, 2964/2964 transitions.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!((X(p0)&&F(p1)&&(F(p2)||G(p3))))'
Stuttering acceptance computed with spot in 221 ms :[(OR (NOT p1) (NOT p0) (AND (NOT p2) (NOT p3))), (NOT p0), (NOT p1), (NOT p2), (AND (NOT p2) (NOT p3)), true]
Running random walk in product with property : Diffusion2D-PT-D20N150-LTLFireability-02
Entered a terminal (fully accepting) state of product in 13159 steps with 12 reset in 211 ms.
FORMULA Diffusion2D-PT-D20N150-LTLFireability-02 FALSE TECHNIQUES STUTTER_TEST
Treatment of property Diffusion2D-PT-D20N150-LTLFireability-02 finished in 62225 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 (G((X(p2)&&p1))&&X(G(!p0)))))'
Support contains 4 out of 400 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 400/400 places, 2964/2964 transitions.
Applied a total of 0 rules in 14 ms. Remains 400 /400 variables (removed 0) and now considering 2964/2964 (removed 0) transitions.
[2026-05-23 22:07:29] [INFO ] Invariant cache hit.
[2026-05-23 22:07:29] [INFO ] Implicit Places using invariants in 70 ms returned []
[2026-05-23 22:07:29] [INFO ] Invariant cache hit.
[2026-05-23 22:07:29] [INFO ] Implicit Places using invariants and state equation in 447 ms returned []
Implicit Place search using SMT with State Equation took 523 ms to find 0 implicit places.
Skipped dead transition search.
Finished structural reductions in LTL mode , in 1 iterations and 538 ms. Remains : 400/400 places, 2964/2964 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 (G((X(p2)&&p1))&&X(G(!p0)))))'
Stuttering acceptance computed with spot in 105 ms :[(OR (NOT p1) (NOT p2) p0), true, (OR (NOT p1) (NOT p2) p0)]
Running random walk in product with property : Diffusion2D-PT-D20N150-LTLFireability-03
Entered a terminal (fully accepting) state of product in 1832 steps with 0 reset in 28 ms.
FORMULA Diffusion2D-PT-D20N150-LTLFireability-03 FALSE TECHNIQUES STUTTER_TEST
Treatment of property Diffusion2D-PT-D20N150-LTLFireability-03 finished in 718 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(G((F(G(p0))&&F(p1))))'
Support contains 2 out of 400 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 400/400 places, 2964/2964 transitions.
Graph (trivial) has 2932 edges and 400 vertex of which 398 / 400 are part of one of the 1 SCC in 3 ms
Free SCC test removed 397 places
Ensure Unique test removed 2959 transitions
Reduce isomorphic transitions removed 2959 transitions.
Applied a total of 1 rules in 9 ms. Remains 3 /400 variables (removed 397) and now considering 5/2964 (removed 2959) transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-265213689376883112.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-10324803806551169364.kers'
[2026-05-23 22:07:29] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-265213689376883112.kers, --Pflows, --basisKERS=/tmp/petrispot-output-10324803806551169364.kers]
Normalized transition count is 4 out of 5 initially.
Culled 0 columns in 0 ms.
// Phase 1: matrix 4 rows 3 cols 8 entries
Finished phase 1 with 2 SingleSign rule and 0 generalized
[2026-05-23 22:07:29] [INFO ] Computed 1 invariants in 0 ms
Computed 1 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-10324803806551169364.kers
Total runtime 0 ms.
[2026-05-23 22:07:29] [INFO ] Implicit Places using invariants in 18 ms returned []
[2026-05-23 22:07:29] [INFO ] Invariant cache hit.
[2026-05-23 22:07:29] [INFO ] Implicit Places using invariants and state equation in 15 ms returned []
Implicit Place search using SMT with State Equation took 35 ms to find 0 implicit places.
[2026-05-23 22:07:29] [INFO ] Redundant transitions in 0 ms returned []
Running 2 sub problems to find dead transitions.
[2026-05-23 22:07:29] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/2 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 1 (OVERLAPS) 1/3 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/3 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (OVERLAPS) 4/7 variables, 3/4 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/7 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (OVERLAPS) 0/7 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Real declared 7/8 variables, and 4 constraints, problems are : Problem set: 0 solved, 2 unsolved in 36 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 3/3 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) 0/2 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 1 (OVERLAPS) 1/3 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/3 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (OVERLAPS) 4/7 variables, 3/4 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/7 variables, 2/6 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/7 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 6 (OVERLAPS) 0/7 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Int declared 7/8 variables, and 6 constraints, problems are : Problem set: 0 solved, 2 unsolved in 36 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 3/3 constraints, PredecessorRefiner: 2/2 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 72ms problems are : Problem set: 0 solved, 2 unsolved
Search for dead transitions found 0 dead transitions in 73ms
Starting structural reductions in SI_LTL mode, iteration 1 : 3/400 places, 5/2964 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 121 ms. Remains : 3/400 places, 5/2964 transitions.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(G((F(G(p0))&&F(p1))))'
Stuttering acceptance computed with spot in 129 ms :[(OR (NOT p0) (NOT p1)), (NOT p0), (NOT p1)]
Running random walk in product with property : Diffusion2D-PT-D20N150-LTLFireability-04
Stuttering criterion allowed to conclude after 0 steps with 0 reset in 0 ms.
FORMULA Diffusion2D-PT-D20N150-LTLFireability-04 FALSE TECHNIQUES STUTTER_TEST
Treatment of property Diffusion2D-PT-D20N150-LTLFireability-04 finished in 292 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(p1)||(p2 U (p3||G(p2))))))'
Support contains 4 out of 400 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 400/400 places, 2964/2964 transitions.
Applied a total of 0 rules in 18 ms. Remains 400 /400 variables (removed 0) and now considering 2964/2964 (removed 0) transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-17435120601065132821.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-14646293791427099301.kers'
[2026-05-23 22:07:30] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-17435120601065132821.kers, --Pflows, --basisKERS=/tmp/petrispot-output-14646293791427099301.kers]
Culled 0 columns in 2 ms.
// Phase 1: matrix 2964 rows 400 cols 5928 entries
Finished phase 1 with 399 SingleSign rule and 0 generalized
[2026-05-23 22:07:30] [INFO ] Computed 1 invariants in 15 ms
Computed 1 P flows in 16 ms.
Exported basis to /tmp/petrispot-output-14646293791427099301.kers
Total runtime 21 ms.
[2026-05-23 22:07:30] [INFO ] Implicit Places using invariants in 88 ms returned []
[2026-05-23 22:07:30] [INFO ] Invariant cache hit.
[2026-05-23 22:07:30] [INFO ] Implicit Places using invariants and state equation in 464 ms returned []
Implicit Place search using SMT with State Equation took 553 ms to find 0 implicit places.
Running 2956 sub problems to find dead transitions.
[2026-05-23 22:07:30] [INFO ] Invariant cache hit.
Error getting values : (error "Timeout of Z3 solver reached")
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 399/3364 variables, and 0 constraints, problems are : Problem set: 0 solved, 2956 unsolved in 30042 ms.
Refiners :[Positive P Invariants (semi-flows): 0/1 constraints, State Equation: 0/400 constraints, PredecessorRefiner: 2956/2956 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 2956 unsolved
Error getting values : (error "Timeout of Z3 solver reached")
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 399/3364 variables, and 0 constraints, problems are : Problem set: 0 solved, 2956 unsolved in 30045 ms.
Refiners :[Positive P Invariants (semi-flows): 0/1 constraints, State Equation: 0/400 constraints, PredecessorRefiner: 0/2956 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60931ms problems are : Problem set: 0 solved, 2956 unsolved
Search for dead transitions found 0 dead transitions in 60936ms
Finished structural reductions in LTL mode , in 1 iterations and 61516 ms. Remains : 400/400 places, 2964/2964 transitions.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!((X(p0)&&(X(p1)||(p2 U (p3||G(p2))))))'
Stuttering acceptance computed with spot in 206 ms :[true, (OR (NOT p1) (NOT p0)), (NOT p0), (OR (NOT p0) (AND (NOT p1) (NOT p2) (NOT p3))), (OR (NOT p0) (AND (NOT p1) (NOT p2) (NOT p3))), (AND (NOT p3) (NOT p2))]
Running random walk in product with property : Diffusion2D-PT-D20N150-LTLFireability-05
Entered a terminal (fully accepting) state of product in 273 steps with 0 reset in 8 ms.
FORMULA Diffusion2D-PT-D20N150-LTLFireability-05 FALSE TECHNIQUES STUTTER_TEST
Treatment of property Diffusion2D-PT-D20N150-LTLFireability-05 finished in 61773 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 1 out of 400 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 400/400 places, 2964/2964 transitions.
Graph (trivial) has 2948 edges and 400 vertex of which 399 / 400 are part of one of the 1 SCC in 3 ms
Free SCC test removed 398 places
Ensure Unique test removed 2961 transitions
Reduce isomorphic transitions removed 2961 transitions.
Applied a total of 1 rules in 7 ms. Remains 2 /400 variables (removed 398) and now considering 3/2964 (removed 2961) transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-14311700372704719083.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-4324693625488478990.kers'
[2026-05-23 22:08:31] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-14311700372704719083.kers, --Pflows, --basisKERS=/tmp/petrispot-output-4324693625488478990.kers]
Normalized transition count is 2 out of 3 initially.
Culling duplicate invariants (modulo rational): removing 1 columns.
Culled 1 columns in 0 ms.
// Phase 1: matrix 2 rows 1 cols 2 entries
Finished phase 1 with 1 SingleSign rule and 0 generalized
[2026-05-23 22:08:31] [INFO ] Computed 1 invariants in 0 ms
Computed 1 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-4324693625488478990.kers
Total runtime 0 ms.
[2026-05-23 22:08:31] [INFO ] Implicit Places using invariants in 17 ms returned []
[2026-05-23 22:08:31] [INFO ] Invariant cache hit.
[2026-05-23 22:08:31] [INFO ] Implicit Places using invariants and state equation in 19 ms returned []
Implicit Place search using SMT with State Equation took 40 ms to find 0 implicit places.
[2026-05-23 22:08:31] [INFO ] Redundant transitions in 0 ms returned []
Running 1 sub problems to find dead transitions.
[2026-05-23 22:08:31] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 1/2 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/2 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 2/4 variables, 2/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/4 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 0/4 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 4/5 variables, and 3 constraints, problems are : Problem set: 0 solved, 1 unsolved in 26 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 2/2 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) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 1/2 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/2 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 2/4 variables, 2/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/4 variables, 1/4 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/4 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 0/4 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 4/5 variables, and 4 constraints, problems are : Problem set: 0 solved, 1 unsolved in 21 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 2/2 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 47ms problems are : Problem set: 0 solved, 1 unsolved
Search for dead transitions found 0 dead transitions in 48ms
Starting structural reductions in SI_LTL mode, iteration 1 : 2/400 places, 3/2964 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 99 ms. Remains : 2/400 places, 3/2964 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 31 ms :[(NOT p0)]
Running random walk in product with property : Diffusion2D-PT-D20N150-LTLFireability-06
Stuttering criterion allowed to conclude after 0 steps with 0 reset in 0 ms.
FORMULA Diffusion2D-PT-D20N150-LTLFireability-06 FALSE TECHNIQUES STUTTER_TEST
Treatment of property Diffusion2D-PT-D20N150-LTLFireability-06 finished in 151 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!((F((!p0&&(p1 U ((p1&&G(F(p2)))||G(p1))))) U (G(F((!p0&&(p1 U ((p1&&G(F(p2)))||G(p1))))))||(p3&&F((!p0&&(p1 U ((p1&&G(F(p2)))||G(p1)))))))))'
Support contains 4 out of 400 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 400/400 places, 2964/2964 transitions.
Graph (trivial) has 2906 edges and 400 vertex of which 396 / 400 are part of one of the 1 SCC in 4 ms
Free SCC test removed 395 places
Ensure Unique test removed 2955 transitions
Reduce isomorphic transitions removed 2955 transitions.
Applied a total of 1 rules in 9 ms. Remains 5 /400 variables (removed 395) and now considering 9/2964 (removed 2955) transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-8634624721291355077.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-2684955762112802057.kers'
[2026-05-23 22:08:32] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-8634624721291355077.kers, --Pflows, --basisKERS=/tmp/petrispot-output-2684955762112802057.kers]
Normalized transition count is 8 out of 9 initially.
Culled 0 columns in 0 ms.
// Phase 1: matrix 8 rows 5 cols 16 entries
Finished phase 1 with 4 SingleSign rule and 0 generalized
[2026-05-23 22:08:32] [INFO ] Computed 1 invariants in 0 ms
Computed 1 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-2684955762112802057.kers
Total runtime 0 ms.
[2026-05-23 22:08:32] [INFO ] Implicit Places using invariants in 22 ms returned []
[2026-05-23 22:08:32] [INFO ] Invariant cache hit.
[2026-05-23 22:08:32] [INFO ] Implicit Places using invariants and state equation in 14 ms returned []
Implicit Place search using SMT with State Equation took 38 ms to find 0 implicit places.
[2026-05-23 22:08:32] [INFO ] Redundant transitions in 0 ms returned []
Running 4 sub problems to find dead transitions.
[2026-05-23 22:08:32] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/4 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 1 (OVERLAPS) 1/5 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/5 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 3 (OVERLAPS) 8/13 variables, 5/6 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/13 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 5 (OVERLAPS) 0/13 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 4 unsolved
No progress, stopping.
After SMT solving in domain Real declared 13/14 variables, and 6 constraints, problems are : Problem set: 0 solved, 4 unsolved in 31 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 5/5 constraints, PredecessorRefiner: 4/4 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 4 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/4 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 1 (OVERLAPS) 1/5 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/5 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 3 (OVERLAPS) 8/13 variables, 5/6 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/13 variables, 4/10 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/13 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 6 (OVERLAPS) 0/13 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 4 unsolved
No progress, stopping.
After SMT solving in domain Int declared 13/14 variables, and 10 constraints, problems are : Problem set: 0 solved, 4 unsolved in 33 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 5/5 constraints, PredecessorRefiner: 4/4 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 65ms problems are : Problem set: 0 solved, 4 unsolved
Search for dead transitions found 0 dead transitions in 65ms
Starting structural reductions in SI_LTL mode, iteration 1 : 5/400 places, 9/2964 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 115 ms. Remains : 5/400 places, 9/2964 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 ((p1&&G(F(p2)))||G(p1))))) U (G(F((!p0&&(p1 U ((p1&&G(F(p2)))||G(p1))))))||(p3&&F((!p0&&(p1 U ((p1&&G(F(p2)))||G(p1)))))))))'
Stuttering acceptance computed with spot in 216 ms :[(OR (NOT p1) p0), (OR (NOT p1) p0), (AND (NOT p1) (NOT p2)), (AND (NOT p1) (NOT p2)), (OR (AND (NOT p1) (NOT p2)) (AND p0 (NOT p2))), (OR (AND (NOT p1) (NOT p2)) (AND p0 (NOT p2)))]
Running random walk in product with property : Diffusion2D-PT-D20N150-LTLFireability-07
Stuttering criterion allowed to conclude after 5 steps with 0 reset in 0 ms.
FORMULA Diffusion2D-PT-D20N150-LTLFireability-07 FALSE TECHNIQUES STUTTER_TEST
Treatment of property Diffusion2D-PT-D20N150-LTLFireability-07 finished in 372 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!((X(X(F(p0)))&&G((p1||X(F((p1&&X(X(F(p2))))))))))'
Support contains 3 out of 400 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 400/400 places, 2964/2964 transitions.
Applied a total of 0 rules in 17 ms. Remains 400 /400 variables (removed 0) and now considering 2964/2964 (removed 0) transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-13235196427881459391.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-8156873044728796437.kers'
[2026-05-23 22:08:32] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-13235196427881459391.kers, --Pflows, --basisKERS=/tmp/petrispot-output-8156873044728796437.kers]
Culled 0 columns in 1 ms.
// Phase 1: matrix 2964 rows 400 cols 5928 entries
Finished phase 1 with 399 SingleSign rule and 0 generalized
[2026-05-23 22:08:32] [INFO ] Computed 1 invariants in 12 ms
Computed 1 P flows in 12 ms.
Exported basis to /tmp/petrispot-output-8156873044728796437.kers
Total runtime 18 ms.
[2026-05-23 22:08:32] [INFO ] Implicit Places using invariants in 74 ms returned []
[2026-05-23 22:08:32] [INFO ] Invariant cache hit.
[2026-05-23 22:08:32] [INFO ] Implicit Places using invariants and state equation in 409 ms returned []
Implicit Place search using SMT with State Equation took 486 ms to find 0 implicit places.
Running 2956 sub problems to find dead transitions.
[2026-05-23 22:08:32] [INFO ] Invariant cache hit.
Error getting values : (error "Timeout of Z3 solver reached")
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 399/3364 variables, and 0 constraints, problems are : Problem set: 0 solved, 2956 unsolved in 30041 ms.
Refiners :[Positive P Invariants (semi-flows): 0/1 constraints, State Equation: 0/400 constraints, PredecessorRefiner: 2956/2956 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 2956 unsolved
Error getting values : (error "Timeout of Z3 solver reached")
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 399/3364 variables, and 0 constraints, problems are : Problem set: 0 solved, 2956 unsolved in 30057 ms.
Refiners :[Positive P Invariants (semi-flows): 0/1 constraints, State Equation: 0/400 constraints, PredecessorRefiner: 0/2956 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60841ms problems are : Problem set: 0 solved, 2956 unsolved
Search for dead transitions found 0 dead transitions in 60844ms
Finished structural reductions in LTL mode , in 1 iterations and 61353 ms. Remains : 400/400 places, 2964/2964 transitions.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!((X(X(F(p0)))&&G((p1||X(F((p1&&X(X(F(p2))))))))))'
Stuttering acceptance computed with spot in 279 ms :[(OR (NOT p0) (NOT p1)), (NOT p0), (OR (NOT p1) (NOT p2)), (NOT p1), (NOT p0), (NOT p2), (NOT p2)]
Running random walk in product with property : Diffusion2D-PT-D20N150-LTLFireability-08
Product exploration explored 100000 steps with 73 reset in 1290 ms.
Stack based approach found an accepted trace after 63 steps with 0 reset with depth 64 and stack size 63 in 1 ms.
FORMULA Diffusion2D-PT-D20N150-LTLFireability-08 FALSE TECHNIQUES STACK_TEST
Treatment of property Diffusion2D-PT-D20N150-LTLFireability-08 finished in 62983 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(G((p0||X(p0)))))'
Support contains 1 out of 400 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 400/400 places, 2964/2964 transitions.
Applied a total of 0 rules in 9 ms. Remains 400 /400 variables (removed 0) and now considering 2964/2964 (removed 0) transitions.
[2026-05-23 22:09:35] [INFO ] Invariant cache hit.
[2026-05-23 22:09:35] [INFO ] Implicit Places using invariants in 60 ms returned []
[2026-05-23 22:09:35] [INFO ] Invariant cache hit.
[2026-05-23 22:09:35] [INFO ] Implicit Places using invariants and state equation in 420 ms returned []
Implicit Place search using SMT with State Equation took 481 ms to find 0 implicit places.
Skipped dead transition search.
Finished structural reductions in LTL mode , in 1 iterations and 493 ms. Remains : 400/400 places, 2964/2964 transitions.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(G((p0||X(p0)))))'
Stuttering acceptance computed with spot in 111 ms :[true, (NOT p0), (NOT p0), (NOT p0)]
Running random walk in product with property : Diffusion2D-PT-D20N150-LTLFireability-10
Entered a terminal (fully accepting) state of product in 2 steps with 0 reset in 0 ms.
FORMULA Diffusion2D-PT-D20N150-LTLFireability-10 FALSE TECHNIQUES STUTTER_TEST
Treatment of property Diffusion2D-PT-D20N150-LTLFireability-10 finished in 634 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(F(p0))'
Support contains 1 out of 400 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 400/400 places, 2964/2964 transitions.
Graph (trivial) has 2948 edges and 400 vertex of which 399 / 400 are part of one of the 1 SCC in 4 ms
Free SCC test removed 398 places
Ensure Unique test removed 2961 transitions
Reduce isomorphic transitions removed 2961 transitions.
Applied a total of 1 rules in 12 ms. Remains 2 /400 variables (removed 398) and now considering 3/2964 (removed 2961) transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-1651939138644821532.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-4952306436889740566.kers'
[2026-05-23 22:09:36] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-1651939138644821532.kers, --Pflows, --basisKERS=/tmp/petrispot-output-4952306436889740566.kers]
Normalized transition count is 2 out of 3 initially.
Culling duplicate invariants (modulo rational): removing 1 columns.
Culled 1 columns in 0 ms.
// Phase 1: matrix 2 rows 1 cols 2 entries
Finished phase 1 with 1 SingleSign rule and 0 generalized
[2026-05-23 22:09:36] [INFO ] Computed 1 invariants in 0 ms
Computed 1 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-4952306436889740566.kers
Total runtime 0 ms.
[2026-05-23 22:09:36] [INFO ] Implicit Places using invariants in 16 ms returned []
[2026-05-23 22:09:36] [INFO ] Invariant cache hit.
[2026-05-23 22:09:36] [INFO ] Implicit Places using invariants and state equation in 13 ms returned []
Implicit Place search using SMT with State Equation took 30 ms to find 0 implicit places.
[2026-05-23 22:09:36] [INFO ] Redundant transitions in 0 ms returned []
Running 1 sub problems to find dead transitions.
[2026-05-23 22:09:36] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 1/2 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/2 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 2/4 variables, 2/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/4 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 0/4 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 4/5 variables, and 3 constraints, problems are : Problem set: 0 solved, 1 unsolved in 22 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 2/2 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) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 1/2 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/2 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 2/4 variables, 2/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/4 variables, 1/4 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/4 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 0/4 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 4/5 variables, and 4 constraints, problems are : Problem set: 0 solved, 1 unsolved in 20 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 2/2 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 45ms problems are : Problem set: 0 solved, 1 unsolved
Search for dead transitions found 0 dead transitions in 45ms
Starting structural reductions in SI_LTL mode, iteration 1 : 2/400 places, 3/2964 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 91 ms. Remains : 2/400 places, 3/2964 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))'
Stuttering acceptance computed with spot in 37 ms :[(NOT p0)]
Running random walk in product with property : Diffusion2D-PT-D20N150-LTLFireability-11
Stuttering criterion allowed to conclude after 0 steps with 0 reset in 0 ms.
FORMULA Diffusion2D-PT-D20N150-LTLFireability-11 FALSE TECHNIQUES STUTTER_TEST
Treatment of property Diffusion2D-PT-D20N150-LTLFireability-11 finished in 157 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 (p1||G(p0))) U !p0) U X(X(p2))))'
Support contains 3 out of 400 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 400/400 places, 2964/2964 transitions.
Applied a total of 0 rules in 18 ms. Remains 400 /400 variables (removed 0) and now considering 2964/2964 (removed 0) transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-1125604878146671084.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-9694564726102425214.kers'
[2026-05-23 22:09:36] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-1125604878146671084.kers, --Pflows, --basisKERS=/tmp/petrispot-output-9694564726102425214.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 2964 rows 400 cols 5928 entries
Finished phase 1 with 399 SingleSign rule and 0 generalized
[2026-05-23 22:09:36] [INFO ] Computed 1 invariants in 7 ms
Computed 1 P flows in 7 ms.
Exported basis to /tmp/petrispot-output-9694564726102425214.kers
Total runtime 11 ms.
[2026-05-23 22:09:36] [INFO ] Implicit Places using invariants in 68 ms returned []
[2026-05-23 22:09:36] [INFO ] Invariant cache hit.
[2026-05-23 22:09:36] [INFO ] Implicit Places using invariants and state equation in 415 ms returned []
Implicit Place search using SMT with State Equation took 484 ms to find 0 implicit places.
Running 2956 sub problems to find dead transitions.
[2026-05-23 22:09:36] [INFO ] Invariant cache hit.
Error getting values : (error "Timeout of Z3 solver reached")
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 399/3364 variables, and 0 constraints, problems are : Problem set: 0 solved, 2956 unsolved in 30036 ms.
Refiners :[Positive P Invariants (semi-flows): 0/1 constraints, State Equation: 0/400 constraints, PredecessorRefiner: 2956/2956 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 2956 unsolved
Error getting values : (error "Timeout of Z3 solver reached")
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 399/3364 variables, and 0 constraints, problems are : Problem set: 0 solved, 2956 unsolved in 30043 ms.
Refiners :[Positive P Invariants (semi-flows): 0/1 constraints, State Equation: 0/400 constraints, PredecessorRefiner: 0/2956 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60849ms problems are : Problem set: 0 solved, 2956 unsolved
Search for dead transitions found 0 dead transitions in 60852ms
Finished structural reductions in LTL mode , in 1 iterations and 61362 ms. Remains : 400/400 places, 2964/2964 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 (G(p0)||p1)) U !p0) U X(X(p2))))'
Stuttering acceptance computed with spot in 478 ms :[(NOT p2), (NOT p2), (AND (NOT p0) (NOT p1) (NOT p2)), (AND p0 (NOT p2)), (NOT p2), (AND (NOT p2) (NOT p0) (NOT p1)), (AND p0 (NOT p2)), (NOT p2), (AND (NOT p0) (NOT p1) (NOT p2)), true, (AND p0 (NOT p2)), (AND (NOT p0) (NOT p1)), p0]
Running random walk in product with property : Diffusion2D-PT-D20N150-LTLFireability-12
Product exploration explored 100000 steps with 33333 reset in 291 ms.
Product exploration explored 100000 steps with 33333 reset in 296 ms.
Computed a total of 0 stabilizing places and 0 stable transitions
Computed a total of 0 stabilizing places and 0 stable transitions
Property proved to be true by K+ with min(!phi)
Knowledge based reduction with 11 factoid took 11 ms. Proved property starting from automaton with 13 states, 23 edges and 3 AP (stutter sensitive
Knowledge-based reduction took 25 ms.
FORMULA Diffusion2D-PT-D20N150-LTLFireability-12 TRUE TECHNIQUES KNOWLEDGE
Treatment of property Diffusion2D-PT-D20N150-LTLFireability-12 finished in 62510 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!((F(p0)&&F((p1&&F(p2)))))'
Support contains 3 out of 400 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 400/400 places, 2964/2964 transitions.
Graph (trivial) has 2916 edges and 400 vertex of which 397 / 400 are part of one of the 1 SCC in 2 ms
Free SCC test removed 396 places
Ensure Unique test removed 2957 transitions
Reduce isomorphic transitions removed 2957 transitions.
Applied a total of 1 rules in 7 ms. Remains 4 /400 variables (removed 396) and now considering 7/2964 (removed 2957) transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-6723644598359431506.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-17963049412653300486.kers'
[2026-05-23 22:10:38] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-6723644598359431506.kers, --Pflows, --basisKERS=/tmp/petrispot-output-17963049412653300486.kers]
Normalized transition count is 6 out of 7 initially.
Culled 0 columns in 0 ms.
// Phase 1: matrix 6 rows 4 cols 12 entries
Finished phase 1 with 3 SingleSign rule and 0 generalized
[2026-05-23 22:10:38] [INFO ] Computed 1 invariants in 0 ms
Computed 1 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-17963049412653300486.kers
Total runtime 0 ms.
[2026-05-23 22:10:38] [INFO ] Implicit Places using invariants in 40 ms returned []
[2026-05-23 22:10:38] [INFO ] Invariant cache hit.
[2026-05-23 22:10:38] [INFO ] Implicit Places using invariants and state equation in 27 ms returned []
Implicit Place search using SMT with State Equation took 68 ms to find 0 implicit places.
[2026-05-23 22:10:38] [INFO ] Redundant transitions in 0 ms returned []
Running 3 sub problems to find dead transitions.
[2026-05-23 22:10:38] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/3 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 1 (OVERLAPS) 1/4 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/4 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 3 (OVERLAPS) 6/10 variables, 4/5 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/10 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 5 (OVERLAPS) 0/10 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 3 unsolved
No progress, stopping.
After SMT solving in domain Real declared 10/11 variables, and 5 constraints, problems are : Problem set: 0 solved, 3 unsolved in 30 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 4/4 constraints, PredecessorRefiner: 3/3 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 3 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/3 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 1 (OVERLAPS) 1/4 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/4 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 3 (OVERLAPS) 6/10 variables, 4/5 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/10 variables, 3/8 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/10 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 6 (OVERLAPS) 0/10 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 3 unsolved
No progress, stopping.
After SMT solving in domain Int declared 10/11 variables, and 8 constraints, problems are : Problem set: 0 solved, 3 unsolved in 38 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 4/4 constraints, PredecessorRefiner: 3/3 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 76ms problems are : Problem set: 0 solved, 3 unsolved
Search for dead transitions found 0 dead transitions in 76ms
Starting structural reductions in SI_LTL mode, iteration 1 : 4/400 places, 7/2964 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 155 ms. Remains : 4/400 places, 7/2964 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)&&F((p1&&F(p2)))))'
Stuttering acceptance computed with spot in 124 ms :[(OR (NOT p0) (NOT p1) (NOT p2)), (NOT p0), (OR (NOT p1) (NOT p2)), (NOT p2)]
Running random walk in product with property : Diffusion2D-PT-D20N150-LTLFireability-14
Stuttering criterion allowed to conclude after 0 steps with 0 reset in 0 ms.
FORMULA Diffusion2D-PT-D20N150-LTLFireability-14 FALSE TECHNIQUES STUTTER_TEST
Treatment of property Diffusion2D-PT-D20N150-LTLFireability-14 finished in 304 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))&&F(p2)) U p3) U p1)))'
Support contains 4 out of 400 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 400/400 places, 2964/2964 transitions.
Applied a total of 0 rules in 20 ms. Remains 400 /400 variables (removed 0) and now considering 2964/2964 (removed 0) transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-11548469994217493727.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-15406097368174495767.kers'
[2026-05-23 22:10:39] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-11548469994217493727.kers, --Pflows, --basisKERS=/tmp/petrispot-output-15406097368174495767.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 2964 rows 400 cols 5928 entries
Finished phase 1 with 399 SingleSign rule and 0 generalized
[2026-05-23 22:10:39] [INFO ] Computed 1 invariants in 7 ms
Computed 1 P flows in 8 ms.
Exported basis to /tmp/petrispot-output-15406097368174495767.kers
Total runtime 9 ms.
[2026-05-23 22:10:39] [INFO ] Implicit Places using invariants in 64 ms returned []
[2026-05-23 22:10:39] [INFO ] Invariant cache hit.
[2026-05-23 22:10:39] [INFO ] Implicit Places using invariants and state equation in 396 ms returned []
Implicit Place search using SMT with State Equation took 463 ms to find 0 implicit places.
Running 2956 sub problems to find dead transitions.
[2026-05-23 22:10:39] [INFO ] Invariant cache hit.
Error getting values : (error "Timeout of Z3 solver reached")
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 399/3364 variables, and 0 constraints, problems are : Problem set: 0 solved, 2956 unsolved in 30042 ms.
Refiners :[Positive P Invariants (semi-flows): 0/1 constraints, State Equation: 0/400 constraints, PredecessorRefiner: 2956/2956 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 2956 unsolved
Error getting values : (error "Timeout of Z3 solver reached")
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 399/3364 variables, and 0 constraints, problems are : Problem set: 0 solved, 2956 unsolved in 30041 ms.
Refiners :[Positive P Invariants (semi-flows): 0/1 constraints, State Equation: 0/400 constraints, PredecessorRefiner: 0/2956 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60863ms problems are : Problem set: 0 solved, 2956 unsolved
Search for dead transitions found 0 dead transitions in 60867ms
Finished structural reductions in LTL mode , in 1 iterations and 61360 ms. Remains : 400/400 places, 2964/2964 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))&&F(p2)) U p3) U p1)))'
Stuttering acceptance computed with spot in 208 ms :[(NOT p1), (NOT p1), (NOT p0), (NOT p1), (NOT p2), (NOT p3)]
Running random walk in product with property : Diffusion2D-PT-D20N150-LTLFireability-15
Product exploration explored 100000 steps with 98 reset in 1214 ms.
Stack based approach found an accepted trace after 95 steps with 0 reset with depth 96 and stack size 96 in 1 ms.
FORMULA Diffusion2D-PT-D20N150-LTLFireability-15 FALSE TECHNIQUES STACK_TEST
Treatment of property Diffusion2D-PT-D20N150-LTLFireability-15 finished in 62868 ms.
All properties solved by simple procedures.
Total runtime 387420 ms.
BK_STOP 1779574301882
--------------------
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="Diffusion2D-PT-D20N150"
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 Diffusion2D-PT-D20N150, 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 r098-tall-177955695400132"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"
tar xzf /home/mcc/BenchKit/INPUTS/Diffusion2D-PT-D20N150.tgz
mv Diffusion2D-PT-D20N150 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 '
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 ;