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-177955695400155.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-D30N100, examination is LTLCardinality
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r098-tall-177955695400155
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 3.4M
-rw-r--r-- 1 mcc users 7.7K Mar 6 16:07 CTLCardinality.txt
-rw-r--r-- 1 mcc users 68K Mar 6 16:07 CTLCardinality.xml
-rw-r--r-- 1 mcc users 9.4K Mar 6 16:06 CTLFireability.txt
-rw-r--r-- 1 mcc users 79K Mar 6 16:06 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 4.4K Mar 15 09:06 LTLCardinality.txt
-rw-r--r-- 1 mcc users 28K Mar 15 09:06 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.9K Mar 15 09:07 LTLFireability.txt
-rw-r--r-- 1 mcc users 20K Mar 15 09:07 LTLFireability.xml
-rw-r--r-- 1 mcc users 9.7K Mar 6 16:07 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 79K Mar 6 16:07 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 7.5K Mar 6 16:07 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 48K Mar 6 16:07 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.8K Mar 15 09:07 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.9K Mar 15 09:07 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 3.0M 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-D30N100-LTLCardinality-00
FORMULA_NAME Diffusion2D-PT-D30N100-LTLCardinality-01
FORMULA_NAME Diffusion2D-PT-D30N100-LTLCardinality-02
FORMULA_NAME Diffusion2D-PT-D30N100-LTLCardinality-03
FORMULA_NAME Diffusion2D-PT-D30N100-LTLCardinality-04
FORMULA_NAME Diffusion2D-PT-D30N100-LTLCardinality-05
FORMULA_NAME Diffusion2D-PT-D30N100-LTLCardinality-06
FORMULA_NAME Diffusion2D-PT-D30N100-LTLCardinality-07
FORMULA_NAME Diffusion2D-PT-D30N100-LTLCardinality-08
FORMULA_NAME Diffusion2D-PT-D30N100-LTLCardinality-09
FORMULA_NAME Diffusion2D-PT-D30N100-LTLCardinality-10
FORMULA_NAME Diffusion2D-PT-D30N100-LTLCardinality-11
FORMULA_NAME Diffusion2D-PT-D30N100-LTLCardinality-12
FORMULA_NAME Diffusion2D-PT-D30N100-LTLCardinality-13
FORMULA_NAME Diffusion2D-PT-D30N100-LTLCardinality-14
FORMULA_NAME Diffusion2D-PT-D30N100-LTLCardinality-15

=== Now, execution of the tool begins

BK_START 1779577963275

Invoking MCC driver with
BK_TOOL=itstools
BK_EXAMINATION=LTLCardinality
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=Diffusion2D-PT-D30N100
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
LTLCardinality PT
Running Version 202604301425
[2026-05-23 23:12:44] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, LTLCardinality, -its, -ltsmin, -greatspnpath, /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/, -order, META, -manyOrder, -smt, -timeout, 3600]
[2026-05-23 23:12:44] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-05-23 23:12:44] [INFO ] Load time of PNML (sax parser for PT used): 295 ms
[2026-05-23 23:12:44] [INFO ] Transformed 900 places.
[2026-05-23 23:12:44] [INFO ] Transformed 6844 transitions.
[2026-05-23 23:12:44] [INFO ] Parsed PT model containing 900 places and 6844 transitions and 13688 arcs in 413 ms.
Parsed 16 properties from file /home/mcc/execution/LTLCardinality.xml in 12 ms.
Working with output stream class java.io.PrintStream
Initial state reduction rules removed 2 formulas.
FORMULA Diffusion2D-PT-D30N100-LTLCardinality-02 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA Diffusion2D-PT-D30N100-LTLCardinality-05 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Support contains 50 out of 900 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 900/900 places, 6844/6844 transitions.
Applied a total of 0 rules in 182 ms. Remains 900 /900 variables (removed 0) and now considering 6844/6844 (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-17867130128597259221.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-3862475130178248524.kers'
[2026-05-23 23:12:45] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-17867130128597259221.kers, --Pflows, --basisKERS=/tmp/petrispot-output-3862475130178248524.kers]
Culled 0 columns in 3 ms.
// Phase 1: matrix 6844 rows 900 cols 13688 entries
Finished phase 1 with 899 SingleSign rule and 0 generalized
[2026-05-23 23:12:45] [INFO ] Computed 1 invariants in 26 ms
Computed 1 P flows in 27 ms.
Exported basis to /tmp/petrispot-output-3862475130178248524.kers
Total runtime 32 ms.
[2026-05-23 23:12:45] [INFO ] Implicit Places using invariants in 338 ms returned []
[2026-05-23 23:12:45] [INFO ] Invariant cache hit.
[2026-05-23 23:12:46] [INFO ] Implicit Places using invariants and state equation in 1230 ms returned []
Implicit Place search using SMT with State Equation took 1597 ms to find 0 implicit places.
Running 6836 sub problems to find dead transitions.
[2026-05-23 23:12:47] [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 899/7744 variables, and 0 constraints, problems are : Problem set: 0 solved, 6836 unsolved in 30136 ms.
Refiners :[Positive P Invariants (semi-flows): 0/1 constraints, State Equation: 0/900 constraints, PredecessorRefiner: 6836/6836 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 6836 unsolved
Error getting values : (error "Timeout of Z3 solver reached")
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 899/7744 variables, and 0 constraints, problems are : Problem set: 0 solved, 6836 unsolved in 30082 ms.
Refiners :[Positive P Invariants (semi-flows): 0/1 constraints, State Equation: 0/900 constraints, PredecessorRefiner: 0/6836 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 65088ms problems are : Problem set: 0 solved, 6836 unsolved
Search for dead transitions found 0 dead transitions in 65148ms
Finished structural reductions in LTL mode , in 1 iterations and 67024 ms. Remains : 900/900 places, 6844/6844 transitions.
Starting structural reductions in LTL mode, iteration 0 : 900/900 places, 6844/6844 transitions.
Applied a total of 0 rules in 152 ms. Remains 900 /900 variables (removed 0) and now considering 6844/6844 (removed 0) transitions.
[2026-05-23 23:13:52] [INFO ] Invariant cache hit.
[2026-05-23 23:13:52] [INFO ] Implicit Places using invariants in 132 ms returned []
[2026-05-23 23:13:52] [INFO ] Invariant cache hit.
[2026-05-23 23:13:53] [INFO ] Implicit Places using invariants and state equation in 1045 ms returned []
Implicit Place search using SMT with State Equation took 1183 ms to find 0 implicit places.
Skipped dead transition search.
Finished structural reductions in LTL mode , in 1 iterations and 1338 ms. Remains : 900/900 places, 6844/6844 transitions.
Support contains 50 out of 900 places after structural reductions.
[2026-05-23 23:13:53] [INFO ] Flatten gal took : 248 ms
[2026-05-23 23:13:53] [INFO ] Flatten gal took : 124 ms
[2026-05-23 23:13:54] [INFO ] Input system was already deterministic with 6844 transitions.
Support contains 47 out of 900 places (down from 50) after GAL structural reductions.
RANDOM walk for 40014 steps (8 resets) in 218 ms. (182 steps per ms) remains 25/31 properties
BEST_FIRST walk for 4004 steps (8 resets) in 13 ms. (286 steps per ms) remains 25/25 properties
BEST_FIRST walk for 4004 steps (8 resets) in 25 ms. (154 steps per ms) remains 25/25 properties
BEST_FIRST walk for 4003 steps (8 resets) in 35 ms. (111 steps per ms) remains 25/25 properties
BEST_FIRST walk for 4004 steps (8 resets) in 15 ms. (250 steps per ms) remains 25/25 properties
BEST_FIRST walk for 4004 steps (8 resets) in 23 ms. (166 steps per ms) remains 25/25 properties
BEST_FIRST walk for 4004 steps (8 resets) in 22 ms. (174 steps per ms) remains 25/25 properties
BEST_FIRST walk for 4004 steps (8 resets) in 18 ms. (210 steps per ms) remains 25/25 properties
BEST_FIRST walk for 4004 steps (8 resets) in 16 ms. (235 steps per ms) remains 25/25 properties
BEST_FIRST walk for 4004 steps (8 resets) in 17 ms. (222 steps per ms) remains 25/25 properties
BEST_FIRST walk for 4004 steps (8 resets) in 15 ms. (250 steps per ms) remains 25/25 properties
BEST_FIRST walk for 4004 steps (8 resets) in 12 ms. (308 steps per ms) remains 25/25 properties
BEST_FIRST walk for 4004 steps (8 resets) in 12 ms. (308 steps per ms) remains 25/25 properties
BEST_FIRST walk for 4004 steps (8 resets) in 17 ms. (222 steps per ms) remains 25/25 properties
BEST_FIRST walk for 4004 steps (8 resets) in 11 ms. (333 steps per ms) remains 25/25 properties
BEST_FIRST walk for 4004 steps (8 resets) in 16 ms. (235 steps per ms) remains 25/25 properties
BEST_FIRST walk for 4003 steps (8 resets) in 15 ms. (250 steps per ms) remains 25/25 properties
BEST_FIRST walk for 4004 steps (8 resets) in 18 ms. (210 steps per ms) remains 25/25 properties
BEST_FIRST walk for 4004 steps (8 resets) in 14 ms. (266 steps per ms) remains 25/25 properties
BEST_FIRST walk for 4003 steps (8 resets) in 15 ms. (250 steps per ms) remains 25/25 properties
BEST_FIRST walk for 4004 steps (8 resets) in 16 ms. (235 steps per ms) remains 25/25 properties
BEST_FIRST walk for 4004 steps (8 resets) in 11 ms. (333 steps per ms) remains 25/25 properties
BEST_FIRST walk for 4003 steps (8 resets) in 22 ms. (174 steps per ms) remains 25/25 properties
BEST_FIRST walk for 4004 steps (8 resets) in 19 ms. (200 steps per ms) remains 25/25 properties
BEST_FIRST walk for 4004 steps (8 resets) in 18 ms. (210 steps per ms) remains 25/25 properties
BEST_FIRST walk for 4004 steps (8 resets) in 13 ms. (286 steps per ms) remains 25/25 properties
[2026-05-23 23:13:54] [INFO ] Invariant cache hit.
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/38 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 25 unsolved
At refinement iteration 1 (OVERLAPS) 862/900 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 25 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/900 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 25 unsolved
At refinement iteration 3 (OVERLAPS) 6844/7744 variables, 900/901 constraints. Problems are: Problem set: 0 solved, 25 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/7744 variables, 0/901 constraints. Problems are: Problem set: 0 solved, 25 unsolved
At refinement iteration 5 (OVERLAPS) 0/7744 variables, 0/901 constraints. Problems are: Problem set: 0 solved, 25 unsolved
No progress, stopping.
After SMT solving in domain Real declared 7744/7744 variables, and 901 constraints, problems are : Problem set: 0 solved, 25 unsolved in 4942 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 900/900 constraints, PredecessorRefiner: 25/25 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 25 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/38 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 25 unsolved
At refinement iteration 1 (OVERLAPS) 862/900 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 25 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/900 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 25 unsolved
At refinement iteration 3 (OVERLAPS) 6844/7744 variables, 900/901 constraints. Problems are: Problem set: 0 solved, 25 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/7744 variables, 25/926 constraints. Problems are: Problem set: 0 solved, 25 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 7744/7744 variables, and 926 constraints, problems are : Problem set: 0 solved, 25 unsolved in 5043 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 900/900 constraints, PredecessorRefiner: 25/25 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 10038ms problems are : Problem set: 0 solved, 25 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 38 out of 900 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 900/900 places, 6844/6844 transitions.
Graph (trivial) has 6276 edges and 900 vertex of which 862 / 900 are part of one of the 1 SCC in 22 ms
Free SCC test removed 861 places
Drop transitions (Empty/Sink Transition effects.) removed 6276 transitions
Ensure Unique test removed 476 transitions
Reduce isomorphic transitions removed 6752 transitions.
Drop transitions (Redundant composition of simpler transitions.) removed 20 transitions
Redundant transition composition rules discarded 20 transitions
Iterating global reduction 0 with 20 rules applied. Total rules applied 21 place count 39 transition count 72
Applied a total of 21 rules in 64 ms. Remains 39 /900 variables (removed 861) and now considering 72/6844 (removed 6772) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 67 ms. Remains : 39/900 places, 72/6844 transitions.
RANDOM walk for 40090 steps (8 resets) in 31 ms. (1252 steps per ms) remains 1/25 properties
BEST_FIRST walk for 17105 steps (3 resets) in 29 ms. (570 steps per ms) remains 0/1 properties
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' '!((F(p0)||(!p1 U (p2||G(!p1)))))'
Support contains 6 out of 900 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 900/900 places, 6844/6844 transitions.
Graph (trivial) has 6754 edges and 900 vertex of which 894 / 900 are part of one of the 1 SCC in 5 ms
Free SCC test removed 893 places
Ensure Unique test removed 6831 transitions
Reduce isomorphic transitions removed 6831 transitions.
Applied a total of 1 rules in 17 ms. Remains 7 /900 variables (removed 893) and now considering 13/6844 (removed 6831) transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-11271229574609468003.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-7355306886452469719.kers'
[2026-05-23 23:14:05] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-11271229574609468003.kers, --Pflows, --basisKERS=/tmp/petrispot-output-7355306886452469719.kers]
Normalized transition count is 12 out of 13 initially.
Culled 0 columns in 0 ms.
// Phase 1: matrix 12 rows 7 cols 24 entries
Finished phase 1 with 6 SingleSign rule and 0 generalized
[2026-05-23 23:14:05] [INFO ] Computed 1 invariants in 0 ms
Computed 1 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-7355306886452469719.kers
Total runtime 0 ms.
[2026-05-23 23:14:05] [INFO ] Implicit Places using invariants in 26 ms returned []
[2026-05-23 23:14:05] [INFO ] Invariant cache hit.
[2026-05-23 23:14:05] [INFO ] Implicit Places using invariants and state equation in 19 ms returned []
Implicit Place search using SMT with State Equation took 47 ms to find 0 implicit places.
[2026-05-23 23:14:05] [INFO ] Redundant transitions in 0 ms returned []
Running 6 sub problems to find dead transitions.
[2026-05-23 23:14:05] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/6 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 1 (OVERLAPS) 1/7 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/7 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 3 (OVERLAPS) 12/19 variables, 7/8 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/19 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 5 (OVERLAPS) 0/19 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 6 unsolved
No progress, stopping.
After SMT solving in domain Real declared 19/20 variables, and 8 constraints, problems are : Problem set: 0 solved, 6 unsolved in 54 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 7/7 constraints, PredecessorRefiner: 6/6 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 6 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/6 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 1 (OVERLAPS) 1/7 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/7 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 3 (OVERLAPS) 12/19 variables, 7/8 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/19 variables, 6/14 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/19 variables, 0/14 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 6 (OVERLAPS) 0/19 variables, 0/14 constraints. Problems are: Problem set: 0 solved, 6 unsolved
No progress, stopping.
After SMT solving in domain Int declared 19/20 variables, and 14 constraints, problems are : Problem set: 0 solved, 6 unsolved in 78 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 7/7 constraints, PredecessorRefiner: 6/6 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 133ms problems are : Problem set: 0 solved, 6 unsolved
Search for dead transitions found 0 dead transitions in 134ms
Starting structural reductions in SI_LTL mode, iteration 1 : 7/900 places, 13/6844 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 205 ms. Remains : 7/900 places, 13/6844 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 (p2||G(!p1)))))'
Stuttering acceptance computed with spot in 217 ms :[(NOT p0), (AND (NOT p0) (NOT p2) p1)]
Running random walk in product with property : Diffusion2D-PT-D30N100-LTLCardinality-00
Stuttering criterion allowed to conclude after 0 steps with 0 reset in 2 ms.
FORMULA Diffusion2D-PT-D30N100-LTLCardinality-00 FALSE TECHNIQUES STUTTER_TEST
Treatment of property Diffusion2D-PT-D30N100-LTLCardinality-00 finished in 511 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 900 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 900/900 places, 6844/6844 transitions.
Graph (trivial) has 6812 edges and 900 vertex of which 898 / 900 are part of one of the 1 SCC in 7 ms
Free SCC test removed 897 places
Ensure Unique test removed 6839 transitions
Reduce isomorphic transitions removed 6839 transitions.
Applied a total of 1 rules in 20 ms. Remains 3 /900 variables (removed 897) and now considering 5/6844 (removed 6839) transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-4528116637980217240.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-4661355548917138565.kers'
[2026-05-23 23:14:05] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-4528116637980217240.kers, --Pflows, --basisKERS=/tmp/petrispot-output-4661355548917138565.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 23:14:05] [INFO ] Computed 1 invariants in 0 ms
Computed 1 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-4661355548917138565.kers
Total runtime 0 ms.
[2026-05-23 23:14:05] [INFO ] Implicit Places using invariants in 22 ms returned []
[2026-05-23 23:14:05] [INFO ] Invariant cache hit.
[2026-05-23 23:14:05] [INFO ] Implicit Places using invariants and state equation in 19 ms returned []
Implicit Place search using SMT with State Equation took 43 ms to find 0 implicit places.
[2026-05-23 23:14:05] [INFO ] Redundant transitions in 0 ms returned []
Running 2 sub problems to find dead transitions.
[2026-05-23 23:14:05] [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 40 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 28 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 69ms problems are : Problem set: 0 solved, 2 unsolved
Search for dead transitions found 0 dead transitions in 69ms
Starting structural reductions in SI_LTL mode, iteration 1 : 3/900 places, 5/6844 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 137 ms. Remains : 3/900 places, 5/6844 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 89 ms :[(NOT p0), (NOT p0)]
Running random walk in product with property : Diffusion2D-PT-D30N100-LTLCardinality-01
Stuttering criterion allowed to conclude after 0 steps with 0 reset in 0 ms.
FORMULA Diffusion2D-PT-D30N100-LTLCardinality-01 FALSE TECHNIQUES STUTTER_TEST
Treatment of property Diffusion2D-PT-D30N100-LTLCardinality-01 finished in 255 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(X(G(p0))))'
Support contains 1 out of 900 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 900/900 places, 6844/6844 transitions.
Applied a total of 0 rules in 54 ms. Remains 900 /900 variables (removed 0) and now considering 6844/6844 (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-7237016091665174225.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-12544645400910323232.kers'
[2026-05-23 23:14:06] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-7237016091665174225.kers, --Pflows, --basisKERS=/tmp/petrispot-output-12544645400910323232.kers]
Culled 0 columns in 2 ms.
// Phase 1: matrix 6844 rows 900 cols 13688 entries
Finished phase 1 with 899 SingleSign rule and 0 generalized
[2026-05-23 23:14:06] [INFO ] Computed 1 invariants in 31 ms
Computed 1 P flows in 34 ms.
Exported basis to /tmp/petrispot-output-12544645400910323232.kers
Total runtime 38 ms.
[2026-05-23 23:14:06] [INFO ] Implicit Places using invariants in 165 ms returned []
[2026-05-23 23:14:06] [INFO ] Invariant cache hit.
[2026-05-23 23:14:07] [INFO ] Implicit Places using invariants and state equation in 1170 ms returned []
Implicit Place search using SMT with State Equation took 1342 ms to find 0 implicit places.
Running 6836 sub problems to find dead transitions.
[2026-05-23 23:14:07] [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 899/7744 variables, and 0 constraints, problems are : Problem set: 0 solved, 6836 unsolved in 30109 ms.
Refiners :[Positive P Invariants (semi-flows): 0/1 constraints, State Equation: 0/900 constraints, PredecessorRefiner: 6836/6836 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 6836 unsolved
Error getting values : (error "Timeout of Z3 solver reached")
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 899/7744 variables, and 0 constraints, problems are : Problem set: 0 solved, 6836 unsolved in 30096 ms.
Refiners :[Positive P Invariants (semi-flows): 0/1 constraints, State Equation: 0/900 constraints, PredecessorRefiner: 0/6836 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 64910ms problems are : Problem set: 0 solved, 6836 unsolved
Search for dead transitions found 0 dead transitions in 64926ms
Finished structural reductions in LTL mode , in 1 iterations and 66343 ms. Remains : 900/900 places, 6844/6844 transitions.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(X(G(p0))))'
Stuttering acceptance computed with spot in 133 ms :[true, (NOT p0), (NOT p0), (NOT p0)]
Running random walk in product with property : Diffusion2D-PT-D30N100-LTLCardinality-03
Product exploration explored 100000 steps with 0 reset in 4793 ms.
Product exploration explored 100000 steps with 0 reset in 4907 ms.
Computed a total of 0 stabilizing places and 0 stable transitions
Computed a total of 0 stabilizing places and 0 stable transitions
Knowledge based reduction with 2 factoid took 79 ms. Reduced automaton from 4 states, 5 edges and 1 AP (stutter sensitive) to 4 states, 5 edges and 1 AP (stutter sensitive).
RANDOM walk for 40102 steps (8 resets) in 28 ms. (1382 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (8 resets) in 118 ms. (336 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 704728 steps, run timeout after 3035 ms. (steps per millisecond=232 ) properties seen :0 out of 1
Probabilistic random walk after 704728 steps, saw 539004 distinct states, run finished after 3041 ms. (steps per millisecond=231 ) properties seen :0
[2026-05-23 23:15:25] [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) 899/900 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/900 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 6844/7744 variables, 900/901 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/7744 variables, 0/901 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 0/7744 variables, 0/901 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 7744/7744 variables, and 901 constraints, problems are : Problem set: 0 solved, 1 unsolved in 1885 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 900/900 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) 899/900 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/900 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 6844/7744 variables, 900/901 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/7744 variables, 1/902 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/7744 variables, 0/902 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 0/7744 variables, 0/902 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 7744/7744 variables, and 902 constraints, problems are : Problem set: 0 solved, 1 unsolved in 1747 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 900/900 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 3649ms problems are : Problem set: 0 solved, 1 unsolved
Finished Parikh walk after 13865 steps, including 0 resets, run visited all 1 properties in 213 ms. (steps per millisecond=65 )
Parikh walk visited 1 properties in 219 ms.
Knowledge based reduction with 2 factoid took 54 ms. Reduced automaton from 4 states, 5 edges and 1 AP (stutter sensitive) to 4 states, 5 edges and 1 AP (stutter sensitive).
Stuttering acceptance computed with spot in 127 ms :[true, (NOT p0), (NOT p0), (NOT p0)]
Knowledge-based reduction took 7272 ms.
Stuttering acceptance computed with spot in 134 ms :[true, (NOT p0), (NOT p0), (NOT p0)]
Support contains 1 out of 900 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 900/900 places, 6844/6844 transitions.
Applied a total of 0 rules in 49 ms. Remains 900 /900 variables (removed 0) and now considering 6844/6844 (removed 0) transitions.
[2026-05-23 23:15:29] [INFO ] Invariant cache hit.
[2026-05-23 23:15:29] [INFO ] Implicit Places using invariants in 98 ms returned []
[2026-05-23 23:15:29] [INFO ] Invariant cache hit.
[2026-05-23 23:15:30] [INFO ] Implicit Places using invariants and state equation in 1030 ms returned []
Implicit Place search using SMT with State Equation took 1131 ms to find 0 implicit places.
Skipped dead transition search.
Finished structural reductions in LTL mode , in 1 iterations and 1182 ms. Remains : 900/900 places, 6844/6844 transitions.
Computed a total of 0 stabilizing places and 0 stable transitions
Computed a total of 0 stabilizing places and 0 stable transitions
Knowledge based reduction with 2 factoid took 42 ms. Reduced automaton from 4 states, 5 edges and 1 AP (stutter sensitive) to 4 states, 5 edges and 1 AP (stutter sensitive).
RANDOM walk for 40043 steps (8 resets) in 12 ms. (3080 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (8 resets) in 19 ms. (2000 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 746104 steps, run timeout after 3001 ms. (steps per millisecond=248 ) properties seen :0 out of 1
Probabilistic random walk after 746104 steps, saw 571976 distinct states, run finished after 3001 ms. (steps per millisecond=248 ) properties seen :0
[2026-05-23 23:15:33] [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) 899/900 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/900 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 6844/7744 variables, 900/901 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/7744 variables, 0/901 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 0/7744 variables, 0/901 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 7744/7744 variables, and 901 constraints, problems are : Problem set: 0 solved, 1 unsolved in 1834 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 900/900 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) 899/900 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/900 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 6844/7744 variables, 900/901 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/7744 variables, 1/902 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/7744 variables, 0/902 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 0/7744 variables, 0/902 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 7744/7744 variables, and 902 constraints, problems are : Problem set: 0 solved, 1 unsolved in 1772 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 900/900 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 3619ms problems are : Problem set: 0 solved, 1 unsolved
Finished Parikh walk after 13992 steps, including 0 resets, run visited all 1 properties in 149 ms. (steps per millisecond=93 )
Parikh walk visited 1 properties in 150 ms.
Knowledge based reduction with 2 factoid took 82 ms. Reduced automaton from 4 states, 5 edges and 1 AP (stutter sensitive) to 4 states, 5 edges and 1 AP (stutter sensitive).
Stuttering acceptance computed with spot in 150 ms :[true, (NOT p0), (NOT p0), (NOT p0)]
Knowledge-based reduction took 7091 ms.
Stuttering acceptance computed with spot in 152 ms :[true, (NOT p0), (NOT p0), (NOT p0)]
Stuttering acceptance computed with spot in 171 ms :[true, (NOT p0), (NOT p0), (NOT p0)]
Product exploration explored 100000 steps with 0 reset in 4900 ms.
Entered a terminal (fully accepting) state of product in 26227 steps with 0 reset in 1136 ms.
FORMULA Diffusion2D-PT-D30N100-LTLCardinality-03 FALSE TECHNIQUES STUTTER_TEST
Treatment of property Diffusion2D-PT-D30N100-LTLCardinality-03 finished in 98326 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 900 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 900/900 places, 6844/6844 transitions.
Graph (trivial) has 6828 edges and 900 vertex of which 899 / 900 are part of one of the 1 SCC in 9 ms
Free SCC test removed 898 places
Ensure Unique test removed 6841 transitions
Reduce isomorphic transitions removed 6841 transitions.
Applied a total of 1 rules in 18 ms. Remains 2 /900 variables (removed 898) and now considering 3/6844 (removed 6841) transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-12673053575586266882.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-1654851363367633816.kers'
[2026-05-23 23:15:44] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-12673053575586266882.kers, --Pflows, --basisKERS=/tmp/petrispot-output-1654851363367633816.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 23:15:44] [INFO ] Computed 1 invariants in 0 ms
Computed 1 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-1654851363367633816.kers
Total runtime 0 ms.
[2026-05-23 23:15:44] [INFO ] Implicit Places using invariants in 21 ms returned []
[2026-05-23 23:15:44] [INFO ] Invariant cache hit.
[2026-05-23 23:15:44] [INFO ] Implicit Places using invariants and state equation in 27 ms returned []
Implicit Place search using SMT with State Equation took 52 ms to find 0 implicit places.
[2026-05-23 23:15:44] [INFO ] Redundant transitions in 0 ms returned []
Running 1 sub problems to find dead transitions.
[2026-05-23 23:15:44] [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 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]
After SMT, in 48ms 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 : 2/900 places, 3/6844 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 126 ms. Remains : 2/900 places, 3/6844 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 51 ms :[(NOT p0)]
Running random walk in product with property : Diffusion2D-PT-D30N100-LTLCardinality-04
Stuttering criterion allowed to conclude after 0 steps with 0 reset in 1 ms.
FORMULA Diffusion2D-PT-D30N100-LTLCardinality-04 FALSE TECHNIQUES STUTTER_TEST
Treatment of property Diffusion2D-PT-D30N100-LTLCardinality-04 finished in 213 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(((F(p0) U X(p1))&&X(X(p2))))'
Support contains 4 out of 900 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 900/900 places, 6844/6844 transitions.
Applied a total of 0 rules in 51 ms. Remains 900 /900 variables (removed 0) and now considering 6844/6844 (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-4767335352010285196.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-4100607559545210615.kers'
[2026-05-23 23:15:44] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-4767335352010285196.kers, --Pflows, --basisKERS=/tmp/petrispot-output-4100607559545210615.kers]
Culled 0 columns in 4 ms.
// Phase 1: matrix 6844 rows 900 cols 13688 entries
Finished phase 1 with 899 SingleSign rule and 0 generalized
[2026-05-23 23:15:44] [INFO ] Computed 1 invariants in 33 ms
Computed 1 P flows in 33 ms.
Exported basis to /tmp/petrispot-output-4100607559545210615.kers
Total runtime 45 ms.
[2026-05-23 23:15:44] [INFO ] Implicit Places using invariants in 166 ms returned []
[2026-05-23 23:15:44] [INFO ] Invariant cache hit.
[2026-05-23 23:15:45] [INFO ] Implicit Places using invariants and state equation in 1140 ms returned []
Implicit Place search using SMT with State Equation took 1308 ms to find 0 implicit places.
Running 6836 sub problems to find dead transitions.
[2026-05-23 23:15:45] [INFO ] Invariant cache hit.
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 899/7744 variables, and 0 constraints, problems are : Problem set: 0 solved, 6836 unsolved in 30093 ms.
Refiners :[Positive P Invariants (semi-flows): 0/1 constraints, State Equation: 0/900 constraints, PredecessorRefiner: 6836/6836 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 6836 unsolved
Error getting values : (error "Timeout of Z3 solver reached")
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 899/7744 variables, and 0 constraints, problems are : Problem set: 0 solved, 6836 unsolved in 30090 ms.
Refiners :[Positive P Invariants (semi-flows): 0/1 constraints, State Equation: 0/900 constraints, PredecessorRefiner: 0/6836 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 64272ms problems are : Problem set: 0 solved, 6836 unsolved
Search for dead transitions found 0 dead transitions in 64282ms
Finished structural reductions in LTL mode , in 1 iterations and 65659 ms. Remains : 900/900 places, 6844/6844 transitions.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(((F(p0) U X(p1))&&X(X(p2))))'
Stuttering acceptance computed with spot in 218 ms :[(OR (NOT p1) (NOT p2)), (NOT p2), (AND (NOT p0) (NOT p1)), (NOT p1), (NOT p2), true, (NOT p0)]
Running random walk in product with property : Diffusion2D-PT-D30N100-LTLCardinality-06
Product exploration explored 100000 steps with 42833 reset in 591 ms.
Product exploration explored 100000 steps with 42838 reset in 528 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 8 factoid took 18 ms. Proved property starting from automaton with 7 states, 10 edges and 3 AP (stutter sensitive
Knowledge-based reduction took 31 ms.
FORMULA Diffusion2D-PT-D30N100-LTLCardinality-06 TRUE TECHNIQUES KNOWLEDGE
Treatment of property Diffusion2D-PT-D30N100-LTLCardinality-06 finished in 67079 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 p1)||X(p2)) U p3)))'
Support contains 6 out of 900 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 900/900 places, 6844/6844 transitions.
Applied a total of 0 rules in 47 ms. Remains 900 /900 variables (removed 0) and now considering 6844/6844 (removed 0) transitions.
[2026-05-23 23:16:51] [INFO ] Invariant cache hit.
[2026-05-23 23:16:51] [INFO ] Implicit Places using invariants in 113 ms returned []
[2026-05-23 23:16:51] [INFO ] Invariant cache hit.
[2026-05-23 23:16:52] [INFO ] Implicit Places using invariants and state equation in 1049 ms returned []
Implicit Place search using SMT with State Equation took 1172 ms to find 0 implicit places.
Skipped dead transition search.
Finished structural reductions in LTL mode , in 1 iterations and 1220 ms. Remains : 900/900 places, 6844/6844 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 p1)||X(p2)) U p3)))'
Stuttering acceptance computed with spot in 231 ms :[(NOT p3), (NOT p3), (AND p1 (NOT p0) (NOT p2)), (AND (NOT p1) (NOT p2)), (NOT p0), (NOT p1)]
Running random walk in product with property : Diffusion2D-PT-D30N100-LTLCardinality-07
Product exploration explored 100000 steps with 50000 reset in 569 ms.
Product exploration explored 100000 steps with 50000 reset in 572 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 15 factoid took 19 ms. Proved property starting from automaton with 6 states, 10 edges and 4 AP (stutter sensitive
Knowledge-based reduction took 29 ms.
FORMULA Diffusion2D-PT-D30N100-LTLCardinality-07 TRUE TECHNIQUES KNOWLEDGE
Treatment of property Diffusion2D-PT-D30N100-LTLCardinality-07 finished in 2668 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(F((p0&&X((G(F(p1))||(F(p1)&&F(G(p2))))))))))))'
Support contains 5 out of 900 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 900/900 places, 6844/6844 transitions.
Applied a total of 0 rules in 53 ms. Remains 900 /900 variables (removed 0) and now considering 6844/6844 (removed 0) transitions.
[2026-05-23 23:16:54] [INFO ] Invariant cache hit.
[2026-05-23 23:16:54] [INFO ] Implicit Places using invariants in 128 ms returned []
[2026-05-23 23:16:54] [INFO ] Invariant cache hit.
[2026-05-23 23:16:55] [INFO ] Implicit Places using invariants and state equation in 1117 ms returned []
Implicit Place search using SMT with State Equation took 1250 ms to find 0 implicit places.
Skipped dead transition search.
Finished structural reductions in LTL mode , in 1 iterations and 1303 ms. Remains : 900/900 places, 6844/6844 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(F((p0&&X((G(F(p1))||(F(p1)&&F(G(p2))))))))))))'
Stuttering acceptance computed with spot in 326 ms :[(NOT p0), (NOT p0), (OR (NOT p1) (NOT p0)), (NOT p1), (AND (NOT p1) (NOT p2)), (NOT p1), (AND (NOT p1) (NOT p2))]
Running random walk in product with property : Diffusion2D-PT-D30N100-LTLCardinality-08
Product exploration explored 100000 steps with 4 reset in 4097 ms.
Stack based approach found an accepted trace after 60 steps with 0 reset with depth 61 and stack size 61 in 1 ms.
FORMULA Diffusion2D-PT-D30N100-LTLCardinality-08 FALSE TECHNIQUES STACK_TEST
Treatment of property Diffusion2D-PT-D30N100-LTLCardinality-08 finished in 5797 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 900 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 900/900 places, 6844/6844 transitions.
Graph (trivial) has 6828 edges and 900 vertex of which 899 / 900 are part of one of the 1 SCC in 3 ms
Free SCC test removed 898 places
Ensure Unique test removed 6841 transitions
Reduce isomorphic transitions removed 6841 transitions.
Applied a total of 1 rules in 11 ms. Remains 2 /900 variables (removed 898) and now considering 3/6844 (removed 6841) transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-10038601772789989148.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-1245373334220836345.kers'
[2026-05-23 23:17:00] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-10038601772789989148.kers, --Pflows, --basisKERS=/tmp/petrispot-output-1245373334220836345.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 23:17:00] [INFO ] Computed 1 invariants in 0 ms
Computed 1 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-1245373334220836345.kers
Total runtime 0 ms.
[2026-05-23 23:17:00] [INFO ] Implicit Places using invariants in 25 ms returned []
[2026-05-23 23:17:00] [INFO ] Invariant cache hit.
[2026-05-23 23:17:00] [INFO ] Implicit Places using invariants and state equation in 20 ms returned []
Implicit Place search using SMT with State Equation took 48 ms to find 0 implicit places.
[2026-05-23 23:17:00] [INFO ] Redundant transitions in 0 ms returned []
Running 1 sub problems to find dead transitions.
[2026-05-23 23:17:00] [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 19 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 44ms problems are : Problem set: 0 solved, 1 unsolved
Search for dead transitions found 0 dead transitions in 44ms
Starting structural reductions in SI_LTL mode, iteration 1 : 2/900 places, 3/6844 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 107 ms. Remains : 2/900 places, 3/6844 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 36 ms :[(NOT p0)]
Running random walk in product with property : Diffusion2D-PT-D30N100-LTLCardinality-09
Stuttering criterion allowed to conclude after 0 steps with 0 reset in 0 ms.
FORMULA Diffusion2D-PT-D30N100-LTLCardinality-09 FALSE TECHNIQUES STUTTER_TEST
Treatment of property Diffusion2D-PT-D30N100-LTLCardinality-09 finished in 177 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)) U ((p1 U G(p2))&&X(X(F(!p1))))))'
Support contains 4 out of 900 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 900/900 places, 6844/6844 transitions.
Applied a total of 0 rules in 49 ms. Remains 900 /900 variables (removed 0) and now considering 6844/6844 (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-13500836230882006082.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-10177717796954949474.kers'
[2026-05-23 23:17:00] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-13500836230882006082.kers, --Pflows, --basisKERS=/tmp/petrispot-output-10177717796954949474.kers]
Culled 0 columns in 4 ms.
// Phase 1: matrix 6844 rows 900 cols 13688 entries
Finished phase 1 with 899 SingleSign rule and 0 generalized
[2026-05-23 23:17:00] [INFO ] Computed 1 invariants in 32 ms
Computed 1 P flows in 32 ms.
Exported basis to /tmp/petrispot-output-10177717796954949474.kers
Total runtime 42 ms.
[2026-05-23 23:17:00] [INFO ] Implicit Places using invariants in 166 ms returned []
[2026-05-23 23:17:00] [INFO ] Invariant cache hit.
[2026-05-23 23:17:01] [INFO ] Implicit Places using invariants and state equation in 1112 ms returned []
Implicit Place search using SMT with State Equation took 1282 ms to find 0 implicit places.
Running 6836 sub problems to find dead transitions.
[2026-05-23 23:17:01] [INFO ] Invariant cache hit.
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 899/7744 variables, and 0 constraints, problems are : Problem set: 0 solved, 6836 unsolved in 30090 ms.
Refiners :[Positive P Invariants (semi-flows): 0/1 constraints, State Equation: 0/900 constraints, PredecessorRefiner: 6836/6836 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 6836 unsolved
Error getting values : (error "Timeout of Z3 solver reached")
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 899/7744 variables, and 0 constraints, problems are : Problem set: 0 solved, 6836 unsolved in 30096 ms.
Refiners :[Positive P Invariants (semi-flows): 0/1 constraints, State Equation: 0/900 constraints, PredecessorRefiner: 0/6836 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 64411ms problems are : Problem set: 0 solved, 6836 unsolved
Search for dead transitions found 0 dead transitions in 64422ms
Finished structural reductions in LTL mode , in 1 iterations and 65774 ms. Remains : 900/900 places, 6844/6844 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)) U ((p1 U G(p2))&&X(X(F(!p1))))))'
Stuttering acceptance computed with spot in 373 ms :[(OR (NOT p2) p1), (NOT p0), (NOT p2), p1, (AND (NOT p0) (NOT p2)), (NOT p2), p1, (AND p1 (NOT p2)), (AND p1 (NOT p2))]
Running random walk in product with property : Diffusion2D-PT-D30N100-LTLCardinality-10
Product exploration explored 100000 steps with 0 reset in 4852 ms.
Stack based approach found an accepted trace after 17618 steps with 0 reset with depth 17619 and stack size 17581 in 667 ms.
FORMULA Diffusion2D-PT-D30N100-LTLCardinality-10 FALSE TECHNIQUES STACK_TEST
Treatment of property Diffusion2D-PT-D30N100-LTLCardinality-10 finished in 71740 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(X(G((X(X(X(p0)))&&(G(p1)||(p1&&F(G(p2)))))))))'
Support contains 3 out of 900 places. Attempting structural reductions.
Property had overlarge support with respect to TGBA, discarding it for now.
Starting structural reductions in LTL mode, iteration 0 : 900/900 places, 6844/6844 transitions.
Applied a total of 0 rules in 48 ms. Remains 900 /900 variables (removed 0) and now considering 6844/6844 (removed 0) transitions.
[2026-05-23 23:18:11] [INFO ] Invariant cache hit.
[2026-05-23 23:18:12] [INFO ] Implicit Places using invariants in 111 ms returned []
[2026-05-23 23:18:12] [INFO ] Invariant cache hit.
[2026-05-23 23:18:13] [INFO ] Implicit Places using invariants and state equation in 1110 ms returned []
Implicit Place search using SMT with State Equation took 1222 ms to find 0 implicit places.
Skipped dead transition search.
Finished structural reductions in LTL mode , in 1 iterations and 1274 ms. Remains : 900/900 places, 6844/6844 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((X(X(X(p0)))&&(G(p1)||(p1&&F(G(p2)))))))))'
Stuttering acceptance computed with spot in 285 ms :[true, (OR (NOT p0) (NOT p1)), (OR (NOT p0) (NOT p1)), (OR (NOT p0) (NOT p1)), (OR (NOT p1) (NOT p0)), (OR (NOT p1) (NOT p0)), (OR (NOT p1) (NOT p0))]
Running random walk in product with property : Diffusion2D-PT-D30N100-LTLCardinality-11
Entered a terminal (fully accepting) state of product in 2 steps with 0 reset in 1 ms.
FORMULA Diffusion2D-PT-D30N100-LTLCardinality-11 FALSE TECHNIQUES STUTTER_TEST
Treatment of property Diffusion2D-PT-D30N100-LTLCardinality-11 finished in 1615 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(p1))) U X(X(X(p1))))))'
Support contains 4 out of 900 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 900/900 places, 6844/6844 transitions.
Applied a total of 0 rules in 50 ms. Remains 900 /900 variables (removed 0) and now considering 6844/6844 (removed 0) transitions.
[2026-05-23 23:18:13] [INFO ] Invariant cache hit.
[2026-05-23 23:18:13] [INFO ] Implicit Places using invariants in 116 ms returned []
[2026-05-23 23:18:13] [INFO ] Invariant cache hit.
[2026-05-23 23:18:14] [INFO ] Implicit Places using invariants and state equation in 1121 ms returned []
Implicit Place search using SMT with State Equation took 1238 ms to find 0 implicit places.
Skipped dead transition search.
Finished structural reductions in LTL mode , in 1 iterations and 1289 ms. Remains : 900/900 places, 6844/6844 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(p1))) U X(X(X(p1))))))'
Stuttering acceptance computed with spot in 439 ms :[(NOT p1), (NOT p1), (NOT p1), (AND p0 (NOT p1)), (NOT p1), (AND p0 (NOT p1)), (NOT p1), true, (AND (NOT p1) p0), (NOT p1), (AND (NOT p0) (NOT p1))]
Running random walk in product with property : Diffusion2D-PT-D30N100-LTLCardinality-12
Entered a terminal (fully accepting) state of product in 405 steps with 0 reset in 6 ms.
FORMULA Diffusion2D-PT-D30N100-LTLCardinality-12 FALSE TECHNIQUES STUTTER_TEST
Treatment of property Diffusion2D-PT-D30N100-LTLCardinality-12 finished in 1784 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&&X((p0 U (p1||G(p0))))))))'
Support contains 3 out of 900 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 900/900 places, 6844/6844 transitions.
Applied a total of 0 rules in 47 ms. Remains 900 /900 variables (removed 0) and now considering 6844/6844 (removed 0) transitions.
[2026-05-23 23:18:15] [INFO ] Invariant cache hit.
[2026-05-23 23:18:15] [INFO ] Implicit Places using invariants in 108 ms returned []
[2026-05-23 23:18:15] [INFO ] Invariant cache hit.
[2026-05-23 23:18:16] [INFO ] Implicit Places using invariants and state equation in 1111 ms returned []
Implicit Place search using SMT with State Equation took 1221 ms to find 0 implicit places.
Skipped dead transition search.
Finished structural reductions in LTL mode , in 1 iterations and 1268 ms. Remains : 900/900 places, 6844/6844 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&&X((p0 U (p1||G(p0))))))))'
Stuttering acceptance computed with spot in 123 ms :[(NOT p0), (NOT p0), (AND (NOT p0) (NOT p1))]
Running random walk in product with property : Diffusion2D-PT-D30N100-LTLCardinality-13
Product exploration explored 100000 steps with 22 reset in 2359 ms.
Stack based approach found an accepted trace after 6 steps with 0 reset with depth 7 and stack size 7 in 0 ms.
FORMULA Diffusion2D-PT-D30N100-LTLCardinality-13 FALSE TECHNIQUES STACK_TEST
Treatment of property Diffusion2D-PT-D30N100-LTLCardinality-13 finished in 3795 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(F((G(p0)||(F(p0) U X(p1))))))'
Support contains 3 out of 900 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 900/900 places, 6844/6844 transitions.
Applied a total of 0 rules in 50 ms. Remains 900 /900 variables (removed 0) and now considering 6844/6844 (removed 0) transitions.
[2026-05-23 23:18:19] [INFO ] Invariant cache hit.
[2026-05-23 23:18:19] [INFO ] Implicit Places using invariants in 104 ms returned []
[2026-05-23 23:18:19] [INFO ] Invariant cache hit.
[2026-05-23 23:18:20] [INFO ] Implicit Places using invariants and state equation in 1029 ms returned []
Implicit Place search using SMT with State Equation took 1136 ms to find 0 implicit places.
Skipped dead transition search.
Finished structural reductions in LTL mode , in 1 iterations and 1186 ms. Remains : 900/900 places, 6844/6844 transitions.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(F((G(p0)||(F(p0) U X(p1))))))'
Stuttering acceptance computed with spot in 119 ms :[(AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1))]
Running random walk in product with property : Diffusion2D-PT-D30N100-LTLCardinality-14
Product exploration explored 100000 steps with 13 reset in 2814 ms.
Stack based approach found an accepted trace after 2991 steps with 1 reset with depth 1811 and stack size 1800 in 40 ms.
FORMULA Diffusion2D-PT-D30N100-LTLCardinality-14 FALSE TECHNIQUES STACK_TEST
Treatment of property Diffusion2D-PT-D30N100-LTLCardinality-14 finished in 4213 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(p1)))'
Support contains 3 out of 900 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 900/900 places, 6844/6844 transitions.
Graph (trivial) has 6796 edges and 900 vertex of which 897 / 900 are part of one of the 1 SCC in 3 ms
Free SCC test removed 896 places
Ensure Unique test removed 6837 transitions
Reduce isomorphic transitions removed 6837 transitions.
Applied a total of 1 rules in 9 ms. Remains 4 /900 variables (removed 896) and now considering 7/6844 (removed 6837) transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-16428563295036827611.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-17748278776017316636.kers'
[2026-05-23 23:18:23] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-16428563295036827611.kers, --Pflows, --basisKERS=/tmp/petrispot-output-17748278776017316636.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 23:18:23] [INFO ] Computed 1 invariants in 0 ms
Computed 1 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-17748278776017316636.kers
Total runtime 0 ms.
[2026-05-23 23:18:23] [INFO ] Implicit Places using invariants in 18 ms returned []
[2026-05-23 23:18:23] [INFO ] Invariant cache hit.
[2026-05-23 23:18:23] [INFO ] Implicit Places using invariants and state equation in 16 ms returned []
Implicit Place search using SMT with State Equation took 35 ms to find 0 implicit places.
[2026-05-23 23:18:23] [INFO ] Redundant transitions in 0 ms returned []
Running 3 sub problems to find dead transitions.
[2026-05-23 23:18:23] [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 35 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 37 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 75ms problems are : Problem set: 0 solved, 3 unsolved
Search for dead transitions found 0 dead transitions in 75ms
Starting structural reductions in SI_LTL mode, iteration 1 : 4/900 places, 7/6844 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 124 ms. Remains : 4/900 places, 7/6844 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(p1)))'
Stuttering acceptance computed with spot in 94 ms :[(NOT p1), true, (NOT p1)]
Running random walk in product with property : Diffusion2D-PT-D30N100-LTLCardinality-15
Entered a terminal (fully accepting) state of product in 2 steps with 0 reset in 0 ms.
FORMULA Diffusion2D-PT-D30N100-LTLCardinality-15 FALSE TECHNIQUES STUTTER_TEST
Treatment of property Diffusion2D-PT-D30N100-LTLCardinality-15 finished in 250 ms.
All properties solved by simple procedures.
Total runtime 339151 ms.

BK_STOP 1779578303655

--------------------
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
+ [[ LTLCardinality = StateSpace ]]
+ /home/mcc/BenchKit/bin//../itstools/bin//..//runeclipse.sh /home/mcc/execution LTLCardinality -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 LTLCardinality -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-D30N100"
export BK_EXAMINATION="LTLCardinality"
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-D30N100, examination is LTLCardinality"
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-177955695400155"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/Diffusion2D-PT-D30N100.tgz
mv Diffusion2D-PT-D30N100 execution
cd execution
if [ "LTLCardinality" = "ReachabilityDeadlock" ] || [ "LTLCardinality" = "UpperBounds" ] || [ "LTLCardinality" = "QuasiLiveness" ] || [ "LTLCardinality" = "StableMarking" ] || [ "LTLCardinality" = "Liveness" ] || [ "LTLCardinality" = "OneSafe" ] || [ "LTLCardinality" = "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 [ "LTLCardinality" = "UpperBounds" ] ; then
echo "The expected result is a vector of positive values"
echo NUM_VECTOR
elif [ "LTLCardinality" != "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 "LTLCardinality.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 '' LTLCardinality.xml | cut -d '>' -f 2 | cut -d '<' -f 1 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ "LTLCardinality" = "ReachabilityDeadlock" ] || [ "LTLCardinality" = "QuasiLiveness" ] || [ "LTLCardinality" = "StableMarking" ] || [ "LTLCardinality" = "Liveness" ] || [ "LTLCardinality" = "OneSafe" ] ; then
echo "FORMULA_NAME LTLCardinality"
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 ;