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Model Checking Contest 2026
16th edition, Hamburg, Germany, June 23, 2026
Execution of r098-tall-177955695400204
Last Updated
Jun 17, 2026

About the Execution of ITS-Tools for Diffusion2D-PT-D50N010

Execution Summary
Max Memory
Used (MB)		 Time wait (ms) CPU Usage (ms) I/O Wait (ms) Computed Result Execution
Status
5735.804 225451.00 289646.00 1305.50 FFFFFFFFFFTFFTFF 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-177955695400204.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-D50N010, examination is LTLFireability
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r098-tall-177955695400204
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 7.8M
-rw-r--r-- 1 mcc users 11K Mar 6 16:02 CTLCardinality.txt
-rw-r--r-- 1 mcc users 104K Mar 6 16:02 CTLCardinality.xml
-rw-r--r-- 1 mcc users 5.8K Mar 6 16:02 CTLFireability.txt
-rw-r--r-- 1 mcc users 42K Mar 6 16:02 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 4.7K Mar 15 09:08 LTLCardinality.txt
-rw-r--r-- 1 mcc users 30K Mar 15 09:08 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.9K Mar 15 09:08 LTLFireability.txt
-rw-r--r-- 1 mcc users 19K Mar 15 09:08 LTLFireability.xml
-rw-r--r-- 1 mcc users 11K Mar 6 16:02 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 85K Mar 6 16:02 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 8.0K Mar 6 16:02 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 51K Mar 6 16:02 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.8K Mar 15 09:08 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.9K Mar 15 09:08 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 7.3M 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-D50N010-LTLFireability-00
FORMULA_NAME Diffusion2D-PT-D50N010-LTLFireability-01
FORMULA_NAME Diffusion2D-PT-D50N010-LTLFireability-02
FORMULA_NAME Diffusion2D-PT-D50N010-LTLFireability-03
FORMULA_NAME Diffusion2D-PT-D50N010-LTLFireability-04
FORMULA_NAME Diffusion2D-PT-D50N010-LTLFireability-05
FORMULA_NAME Diffusion2D-PT-D50N010-LTLFireability-06
FORMULA_NAME Diffusion2D-PT-D50N010-LTLFireability-07
FORMULA_NAME Diffusion2D-PT-D50N010-LTLFireability-08
FORMULA_NAME Diffusion2D-PT-D50N010-LTLFireability-09
FORMULA_NAME Diffusion2D-PT-D50N010-LTLFireability-10
FORMULA_NAME Diffusion2D-PT-D50N010-LTLFireability-11
FORMULA_NAME Diffusion2D-PT-D50N010-LTLFireability-12
FORMULA_NAME Diffusion2D-PT-D50N010-LTLFireability-13
FORMULA_NAME Diffusion2D-PT-D50N010-LTLFireability-14
FORMULA_NAME Diffusion2D-PT-D50N010-LTLFireability-15

=== Now, execution of the tool begins

BK_START 1779586580811

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-D50N010
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
LTLFireability PT
Running Version 202604301425
[2026-05-24 01:36:22] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, LTLFireability, -its, -ltsmin, -greatspnpath, /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/, -order, META, -manyOrder, -smt, -timeout, 3600]
[2026-05-24 01:36:22] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-05-24 01:36:22] [INFO ] Load time of PNML (sax parser for PT used): 441 ms
[2026-05-24 01:36:22] [INFO ] Transformed 2500 places.
[2026-05-24 01:36:22] [INFO ] Transformed 19404 transitions.
[2026-05-24 01:36:22] [INFO ] Parsed PT model containing 2500 places and 19404 transitions and 38808 arcs in 596 ms.
Parsed 16 properties from file /home/mcc/execution/LTLFireability.xml in 14 ms.
Working with output stream class java.io.PrintStream
Initial state reduction rules removed 2 formulas.
FORMULA Diffusion2D-PT-D50N010-LTLFireability-09 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA Diffusion2D-PT-D50N010-LTLFireability-13 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Support contains 41 out of 2500 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 2500/2500 places, 19404/19404 transitions.
Applied a total of 0 rules in 647 ms. Remains 2500 /2500 variables (removed 0) and now considering 19404/19404 (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-9685548446484714727.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-17372888438758978114.kers'
[2026-05-24 01:36:23] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-9685548446484714727.kers, --Pflows, --basisKERS=/tmp/petrispot-output-17372888438758978114.kers]
Culled 0 columns in 5 ms.
// Phase 1: matrix 19404 rows 2500 cols 38808 entries
Finished phase 1 with 2499 SingleSign rule and 0 generalized
[2026-05-24 01:36:23] [INFO ] Computed 1 invariants in 89 ms
Computed 1 P flows in 90 ms.
Exported basis to /tmp/petrispot-output-17372888438758978114.kers
Total runtime 102 ms.
[2026-05-24 01:36:24] [INFO ] Implicit Places using invariants in 699 ms returned []
Implicit Place search using SMT only with invariants took 737 ms to find 0 implicit places.
Running 19396 sub problems to find dead transitions.
[2026-05-24 01:36:24] [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 2499/21904 variables, and 0 constraints, problems are : Problem set: 0 solved, 19396 unsolved in 30294 ms.
Refiners :[Positive P Invariants (semi-flows): 0/1 constraints, State Equation: 0/2500 constraints, PredecessorRefiner: 19396/19396 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 19396 unsolved
Error getting values : (error "Timeout of Z3 solver reached")
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 2499/21904 variables, and 0 constraints, problems are : Problem set: 0 solved, 19396 unsolved in 30250 ms.
Refiners :[Positive P Invariants (semi-flows): 0/1 constraints, State Equation: 0/2500 constraints, PredecessorRefiner: 0/19396 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 92545ms problems are : Problem set: 0 solved, 19396 unsolved
Search for dead transitions found 0 dead transitions in 92625ms
Finished structural reductions in LTL mode , in 1 iterations and 94108 ms. Remains : 2500/2500 places, 19404/19404 transitions.
Starting structural reductions in LTL mode, iteration 0 : 2500/2500 places, 19404/19404 transitions.
Applied a total of 0 rules in 507 ms. Remains 2500 /2500 variables (removed 0) and now considering 19404/19404 (removed 0) transitions.
[2026-05-24 01:37:57] [INFO ] Invariant cache hit.
[2026-05-24 01:37:57] [INFO ] Implicit Places using invariants in 298 ms returned []
Implicit Place search using SMT only with invariants took 298 ms to find 0 implicit places.
Skipped dead transition search.
Finished structural reductions in LTL mode , in 1 iterations and 810 ms. Remains : 2500/2500 places, 19404/19404 transitions.
Support contains 41 out of 2500 places after structural reductions.
[2026-05-24 01:37:58] [INFO ] Flatten gal took : 495 ms
[2026-05-24 01:37:58] [INFO ] Flatten gal took : 307 ms
[2026-05-24 01:37:59] [INFO ] Input system was already deterministic with 19404 transitions.
Support contains 40 out of 2500 places (down from 41) after GAL structural reductions.
RANDOM walk for 40005 steps (8 resets) in 1496 ms. (26 steps per ms) remains 9/37 properties
BEST_FIRST walk for 40004 steps (8 resets) in 110 ms. (360 steps per ms) remains 9/9 properties
BEST_FIRST walk for 40004 steps (8 resets) in 111 ms. (357 steps per ms) remains 9/9 properties
BEST_FIRST walk for 40004 steps (8 resets) in 138 ms. (287 steps per ms) remains 9/9 properties
BEST_FIRST walk for 40004 steps (8 resets) in 188 ms. (211 steps per ms) remains 9/9 properties
BEST_FIRST walk for 40004 steps (8 resets) in 109 ms. (363 steps per ms) remains 9/9 properties
BEST_FIRST walk for 40004 steps (8 resets) in 106 ms. (373 steps per ms) remains 9/9 properties
BEST_FIRST walk for 40004 steps (8 resets) in 81 ms. (487 steps per ms) remains 9/9 properties
BEST_FIRST walk for 40004 steps (8 resets) in 114 ms. (347 steps per ms) remains 9/9 properties
BEST_FIRST walk for 40004 steps (8 resets) in 435 ms. (91 steps per ms) remains 9/9 properties
[2026-05-24 01:38:00] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/10 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 1 (OVERLAPS) 2490/2500 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/2500 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 9 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 21904/21904 variables, and 2501 constraints, problems are : Problem set: 0 solved, 9 unsolved in 5021 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 2500/2500 constraints, PredecessorRefiner: 9/9 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 9 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/10 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 1 (OVERLAPS) 2490/2500 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/2500 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 9 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 21904/21904 variables, and 2501 constraints, problems are : Problem set: 0 solved, 9 unsolved in 5034 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 2500/2500 constraints, PredecessorRefiner: 0/9 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 10139ms problems are : Problem set: 0 solved, 9 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 10 out of 2500 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 2500/2500 places, 19404/19404 transitions.
Graph (trivial) has 19254 edges and 2500 vertex of which 2490 / 2500 are part of one of the 1 SCC in 33 ms
Free SCC test removed 2489 places
Drop transitions (Empty/Sink Transition effects.) removed 19254 transitions
Ensure Unique test removed 130 transitions
Reduce isomorphic transitions removed 19384 transitions.
Applied a total of 1 rules in 74 ms. Remains 11 /2500 variables (removed 2489) and now considering 20/19404 (removed 19384) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 74 ms. Remains : 11/2500 places, 20/19404 transitions.
RANDOM walk for 11986 steps (2 resets) in 42 ms. (278 steps per ms) remains 0/9 properties
FORMULA Diffusion2D-PT-D50N010-LTLFireability-06 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' '!(X(((p0||G(p1)) U p2)))'
Support contains 3 out of 2500 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 2500/2500 places, 19404/19404 transitions.
Applied a total of 0 rules in 402 ms. Remains 2500 /2500 variables (removed 0) and now considering 19404/19404 (removed 0) transitions.
[2026-05-24 01:38:11] [INFO ] Invariant cache hit.
[2026-05-24 01:38:12] [INFO ] Implicit Places using invariants in 271 ms returned []
Implicit Place search using SMT only with invariants took 273 ms to find 0 implicit places.
Skipped dead transition search.
Finished structural reductions in LTL mode , in 1 iterations and 680 ms. Remains : 2500/2500 places, 19404/19404 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||G(p1)) U p2)))'
Stuttering acceptance computed with spot in 315 ms :[(NOT p2), (NOT p2), true, (NOT p1)]
Running random walk in product with property : Diffusion2D-PT-D50N010-LTLFireability-00
Entered a terminal (fully accepting) state of product in 1 steps with 0 reset in 4 ms.
FORMULA Diffusion2D-PT-D50N010-LTLFireability-00 FALSE TECHNIQUES STUTTER_TEST
Treatment of property Diffusion2D-PT-D50N010-LTLFireability-00 finished in 1122 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!((X(G(((X(p0) U p1)||F(p2)))) U (G(p3)||p4)))'
Support contains 5 out of 2500 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 2500/2500 places, 19404/19404 transitions.
Applied a total of 0 rules in 331 ms. Remains 2500 /2500 variables (removed 0) and now considering 19404/19404 (removed 0) transitions.
[2026-05-24 01:38:12] [INFO ] Invariant cache hit.
[2026-05-24 01:38:13] [INFO ] Implicit Places using invariants in 277 ms returned []
Implicit Place search using SMT only with invariants took 279 ms to find 0 implicit places.
Skipped dead transition search.
Finished structural reductions in LTL mode , in 1 iterations and 613 ms. Remains : 2500/2500 places, 19404/19404 transitions.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!((X(G(((X(p0) U p1)||F(p2)))) U (G(p3)||p4)))'
Stuttering acceptance computed with spot in 347 ms :[(AND (NOT p3) (NOT p4)), (AND (NOT p1) (NOT p2)), (AND (NOT p1) (NOT p2) (NOT p3)), (OR (AND (NOT p0) (NOT p2)) (AND (NOT p1) (NOT p2))), (AND (NOT p2) (NOT p3) (NOT p0)), (NOT p2), (AND (NOT p2) (NOT p3))]
Running random walk in product with property : Diffusion2D-PT-D50N010-LTLFireability-01
Product exploration explored 100000 steps with 20 reset in 1444 ms.
Stack based approach found an accepted trace after 250 steps with 0 reset with depth 251 and stack size 249 in 6 ms.
FORMULA Diffusion2D-PT-D50N010-LTLFireability-01 FALSE TECHNIQUES STACK_TEST
Treatment of property Diffusion2D-PT-D50N010-LTLFireability-01 finished in 2518 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)) U G((p1 U p0))) U X(X(X(p2)))))'
Support contains 3 out of 2500 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 2500/2500 places, 19404/19404 transitions.
Applied a total of 0 rules in 332 ms. Remains 2500 /2500 variables (removed 0) and now considering 19404/19404 (removed 0) transitions.
[2026-05-24 01:38:15] [INFO ] Invariant cache hit.
[2026-05-24 01:38:15] [INFO ] Implicit Places using invariants in 303 ms returned []
Implicit Place search using SMT only with invariants took 305 ms to find 0 implicit places.
Skipped dead transition search.
Finished structural reductions in LTL mode , in 1 iterations and 639 ms. Remains : 2500/2500 places, 19404/19404 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)) U G((p1 U p0))) U X(X(X(p2)))))'
Stuttering acceptance computed with spot in 939 ms :[(NOT p2), (AND (NOT p2) (NOT p0)), (NOT p2), (AND (NOT p0) (NOT p2)), (NOT p2), (AND (NOT p2) (NOT p0)), (NOT p2), true, (AND (NOT p0) (NOT p2)), (AND (NOT p0) (NOT p2)), (NOT p2), (AND (NOT p0) (NOT p2)), (AND (NOT p0) (NOT p2)), (AND (NOT p0) (NOT p2)), (NOT p2), (AND (NOT p2) (NOT p0)), (AND (NOT p0) (NOT p2)), (AND (NOT p0) (NOT p2)), (NOT p2), (AND (NOT p0) (NOT p2)), (NOT p0), (NOT p0), (NOT p0)]
Running random walk in product with property : Diffusion2D-PT-D50N010-LTLFireability-02
Entered a terminal (fully accepting) state of product in 3 steps with 0 reset in 1 ms.
FORMULA Diffusion2D-PT-D50N010-LTLFireability-02 FALSE TECHNIQUES STUTTER_TEST
Treatment of property Diffusion2D-PT-D50N010-LTLFireability-02 finished in 1695 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 U (G(!p0)||(!p0&&G(p1))))))))'
Support contains 4 out of 2500 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 2500/2500 places, 19404/19404 transitions.
Applied a total of 0 rules in 348 ms. Remains 2500 /2500 variables (removed 0) and now considering 19404/19404 (removed 0) transitions.
[2026-05-24 01:38:17] [INFO ] Invariant cache hit.
[2026-05-24 01:38:17] [INFO ] Implicit Places using invariants in 252 ms returned []
Implicit Place search using SMT only with invariants took 253 ms to find 0 implicit places.
Skipped dead transition search.
Finished structural reductions in LTL mode , in 1 iterations and 603 ms. Remains : 2500/2500 places, 19404/19404 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 U (G(!p0)||(!p0&&G(p1))))))))'
Stuttering acceptance computed with spot in 155 ms :[p0, p0, p0, (AND (NOT p1) p0)]
Running random walk in product with property : Diffusion2D-PT-D50N010-LTLFireability-03
Product exploration explored 100000 steps with 0 reset in 1533 ms.
Stack based approach found an accepted trace after 61469 steps with 0 reset with depth 61470 and stack size 21592 in 1072 ms.
FORMULA Diffusion2D-PT-D50N010-LTLFireability-03 FALSE TECHNIQUES STACK_TEST
Treatment of property Diffusion2D-PT-D50N010-LTLFireability-03 finished in 3444 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 2500 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 2500/2500 places, 19404/19404 transitions.
Graph (trivial) has 19388 edges and 2500 vertex of which 2499 / 2500 are part of one of the 1 SCC in 16 ms
Free SCC test removed 2498 places
Ensure Unique test removed 19401 transitions
Reduce isomorphic transitions removed 19401 transitions.
Applied a total of 1 rules in 34 ms. Remains 2 /2500 variables (removed 2498) and now considering 3/19404 (removed 19401) transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-1956630853707103041.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-1179696526409274676.kers'
[2026-05-24 01:38:20] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-1956630853707103041.kers, --Pflows, --basisKERS=/tmp/petrispot-output-1179696526409274676.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
[2026-05-24 01:38:20] [INFO ] Computed 1 invariants in 0 ms
Computed 1 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-1179696526409274676.kers
Total runtime 0 ms.
[2026-05-24 01:38:20] [INFO ] Implicit Places using invariants in 26 ms returned []
[2026-05-24 01:38:20] [INFO ] Invariant cache hit.
[2026-05-24 01:38:20] [INFO ] Implicit Places using invariants and state equation in 16 ms returned []
Implicit Place search using SMT with State Equation took 49 ms to find 0 implicit places.
[2026-05-24 01:38:20] [INFO ] Redundant transitions in 0 ms returned []
Running 1 sub problems to find dead transitions.
[2026-05-24 01:38:20] [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 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 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 : 2/2500 places, 3/19404 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 133 ms. Remains : 2/2500 places, 3/19404 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 33 ms :[(NOT p0)]
Running random walk in product with property : Diffusion2D-PT-D50N010-LTLFireability-04
Stuttering criterion allowed to conclude after 1 steps with 0 reset in 0 ms.
FORMULA Diffusion2D-PT-D50N010-LTLFireability-04 FALSE TECHNIQUES STUTTER_TEST
Treatment of property Diffusion2D-PT-D50N010-LTLFireability-04 finished in 208 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 1 out of 2500 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 2500/2500 places, 19404/19404 transitions.
Graph (trivial) has 19388 edges and 2500 vertex of which 2499 / 2500 are part of one of the 1 SCC in 6 ms
Free SCC test removed 2498 places
Ensure Unique test removed 19401 transitions
Reduce isomorphic transitions removed 19401 transitions.
Applied a total of 1 rules in 36 ms. Remains 2 /2500 variables (removed 2498) and now considering 3/19404 (removed 19401) transitions.
[2026-05-24 01:38:20] [INFO ] Invariant cache hit.
[2026-05-24 01:38:20] [INFO ] Implicit Places using invariants in 16 ms returned []
[2026-05-24 01:38:20] [INFO ] Invariant cache hit.
[2026-05-24 01:38:20] [INFO ] Implicit Places using invariants and state equation in 16 ms returned []
Implicit Place search using SMT with State Equation took 34 ms to find 0 implicit places.
[2026-05-24 01:38:20] [INFO ] Redundant transitions in 0 ms returned []
Skipped dead transition search.
Starting structural reductions in SI_LTL mode, iteration 1 : 2/2500 places, 3/19404 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 75 ms. Remains : 2/2500 places, 3/19404 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 72 ms :[(NOT p0), (NOT p0)]
Running random walk in product with property : Diffusion2D-PT-D50N010-LTLFireability-05
Stuttering criterion allowed to conclude after 0 steps with 0 reset in 1 ms.
FORMULA Diffusion2D-PT-D50N010-LTLFireability-05 FALSE TECHNIQUES STUTTER_TEST
Treatment of property Diffusion2D-PT-D50N010-LTLFireability-05 finished in 191 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(G((F(p0)&&F(p1)&&F(G(p2)))))'
Support contains 4 out of 2500 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 2500/2500 places, 19404/19404 transitions.
Graph (trivial) has 19340 edges and 2500 vertex of which 2496 / 2500 are part of one of the 1 SCC in 7 ms
Free SCC test removed 2495 places
Ensure Unique test removed 19395 transitions
Reduce isomorphic transitions removed 19395 transitions.
Applied a total of 1 rules in 23 ms. Remains 5 /2500 variables (removed 2495) and now considering 9/19404 (removed 19395) transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-8153473281334331628.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-3258855973062000608.kers'
[2026-05-24 01:38:20] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-8153473281334331628.kers, --Pflows, --basisKERS=/tmp/petrispot-output-3258855973062000608.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
[2026-05-24 01:38:20] [INFO ] Computed 1 invariants in 0 ms
Computed 1 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-3258855973062000608.kers
Total runtime 0 ms.
[2026-05-24 01:38:20] [INFO ] Implicit Places using invariants in 18 ms returned []
[2026-05-24 01:38:20] [INFO ] Invariant cache hit.
[2026-05-24 01:38:20] [INFO ] Implicit Places using invariants and state equation in 23 ms returned []
Implicit Place search using SMT with State Equation took 44 ms to find 0 implicit places.
[2026-05-24 01:38:20] [INFO ] Redundant transitions in 0 ms returned []
Running 4 sub problems to find dead transitions.
[2026-05-24 01:38:20] [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 44 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 40 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 87ms problems are : Problem set: 0 solved, 4 unsolved
Search for dead transitions found 0 dead transitions in 87ms
Starting structural reductions in SI_LTL mode, iteration 1 : 5/2500 places, 9/19404 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 158 ms. Remains : 5/2500 places, 9/19404 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)&&F(G(p2)))))'
Stuttering acceptance computed with spot in 151 ms :[(OR (NOT p0) (NOT p1) (NOT p2)), (NOT p0), (NOT p1), (NOT p2)]
Running random walk in product with property : Diffusion2D-PT-D50N010-LTLFireability-07
Stuttering criterion allowed to conclude after 0 steps with 0 reset in 0 ms.
FORMULA Diffusion2D-PT-D50N010-LTLFireability-07 FALSE TECHNIQUES STUTTER_TEST
Treatment of property Diffusion2D-PT-D50N010-LTLFireability-07 finished in 352 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 U (G(p1) U (p2||X(p2))))&&X(X(p2)))))'
Support contains 3 out of 2500 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 2500/2500 places, 19404/19404 transitions.
Applied a total of 0 rules in 347 ms. Remains 2500 /2500 variables (removed 0) and now considering 19404/19404 (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-10579361822207303099.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-1785967151444653288.kers'
[2026-05-24 01:38:21] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-10579361822207303099.kers, --Pflows, --basisKERS=/tmp/petrispot-output-1785967151444653288.kers]
Culled 0 columns in 5 ms.
// Phase 1: matrix 19404 rows 2500 cols 38808 entries
Finished phase 1 with 2499 SingleSign rule and 0 generalized
[2026-05-24 01:38:21] [INFO ] Computed 1 invariants in 94 ms
Computed 1 P flows in 95 ms.
Exported basis to /tmp/petrispot-output-1785967151444653288.kers
Total runtime 106 ms.
[2026-05-24 01:38:21] [INFO ] Implicit Places using invariants in 383 ms returned []
Implicit Place search using SMT only with invariants took 384 ms to find 0 implicit places.
Running 19396 sub problems to find dead transitions.
[2026-05-24 01:38:21] [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 2499/21904 variables, and 0 constraints, problems are : Problem set: 0 solved, 19396 unsolved in 30233 ms.
Refiners :[Positive P Invariants (semi-flows): 0/1 constraints, State Equation: 0/2500 constraints, PredecessorRefiner: 19396/19396 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 19396 unsolved
Error getting values : (error "Timeout of Z3 solver reached")
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 2499/21904 variables, and 0 constraints, problems are : Problem set: 0 solved, 19396 unsolved in 30245 ms.
Refiners :[Positive P Invariants (semi-flows): 0/1 constraints, State Equation: 0/2500 constraints, PredecessorRefiner: 0/19396 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 92878ms problems are : Problem set: 0 solved, 19396 unsolved
Search for dead transitions found 0 dead transitions in 92919ms
Finished structural reductions in LTL mode , in 1 iterations and 93696 ms. Remains : 2500/2500 places, 19404/19404 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 U (G(p1) U (p2||X(p2))))&&X(X(p2)))))'
Stuttering acceptance computed with spot in 275 ms :[(NOT p2), (NOT p2), (NOT p2), (NOT p2), (NOT p2), (NOT p2), true, (NOT p1)]
Running random walk in product with property : Diffusion2D-PT-D50N010-LTLFireability-08
Entered a terminal (fully accepting) state of product in 2 steps with 0 reset in 7 ms.
FORMULA Diffusion2D-PT-D50N010-LTLFireability-08 FALSE TECHNIQUES STUTTER_TEST
Treatment of property Diffusion2D-PT-D50N010-LTLFireability-08 finished in 94159 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||(G(p1) U p2)) U X((p3||F(!p0)))))'
Support contains 4 out of 2500 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 2500/2500 places, 19404/19404 transitions.
Applied a total of 0 rules in 326 ms. Remains 2500 /2500 variables (removed 0) and now considering 19404/19404 (removed 0) transitions.
[2026-05-24 01:39:55] [INFO ] Invariant cache hit.
[2026-05-24 01:39:55] [INFO ] Implicit Places using invariants in 289 ms returned []
Implicit Place search using SMT only with invariants took 290 ms to find 0 implicit places.
Skipped dead transition search.
Finished structural reductions in LTL mode , in 1 iterations and 619 ms. Remains : 2500/2500 places, 19404/19404 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||(G(p1) U p2)) U X((p3||F(!p0)))))'
Stuttering acceptance computed with spot in 286 ms :[(AND p0 (NOT p3)), (AND p0 (NOT p3)), (OR (AND p0 (NOT p1) (NOT p3)) (AND p0 (NOT p2) (NOT p3))), (AND p0 (NOT p3)), p0, (AND p0 (NOT p1)), (AND p0 (NOT p2))]
Running random walk in product with property : Diffusion2D-PT-D50N010-LTLFireability-10
Product exploration explored 100000 steps with 50000 reset in 1614 ms.
Product exploration explored 100000 steps with 50000 reset in 1461 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 18 factoid took 22 ms. Proved property starting from automaton with 7 states, 14 edges and 4 AP (stutter sensitive
Knowledge-based reduction took 59 ms.
FORMULA Diffusion2D-PT-D50N010-LTLFireability-10 TRUE TECHNIQUES KNOWLEDGE
Treatment of property Diffusion2D-PT-D50N010-LTLFireability-10 finished in 4120 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((X(F(p0))||G(p1))))&&(G(p2)||F(p3))))'
Support contains 4 out of 2500 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 2500/2500 places, 19404/19404 transitions.
Applied a total of 0 rules in 324 ms. Remains 2500 /2500 variables (removed 0) and now considering 19404/19404 (removed 0) transitions.
[2026-05-24 01:39:59] [INFO ] Invariant cache hit.
[2026-05-24 01:39:59] [INFO ] Implicit Places using invariants in 238 ms returned []
Implicit Place search using SMT only with invariants took 241 ms to find 0 implicit places.
Skipped dead transition search.
Finished structural reductions in LTL mode , in 1 iterations and 566 ms. Remains : 2500/2500 places, 19404/19404 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((X(F(p0))||G(p1))))&&(G(p2)||F(p3))))'
Stuttering acceptance computed with spot in 224 ms :[(OR (AND (NOT p2) (NOT p3)) (AND (NOT p0) (NOT p1))), (AND (NOT p1) (NOT p0)), (NOT p3), (AND (NOT p3) (NOT p2)), (AND (NOT p1) (NOT p0))]
Running random walk in product with property : Diffusion2D-PT-D50N010-LTLFireability-11
Product exploration explored 100000 steps with 13 reset in 1168 ms.
Stack based approach found an accepted trace after 7 steps with 0 reset with depth 8 and stack size 8 in 0 ms.
FORMULA Diffusion2D-PT-D50N010-LTLFireability-11 FALSE TECHNIQUES STACK_TEST
Treatment of property Diffusion2D-PT-D50N010-LTLFireability-11 finished in 2029 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||G((p1&&X(p2))))))'
Support contains 3 out of 2500 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 2500/2500 places, 19404/19404 transitions.
Applied a total of 0 rules in 309 ms. Remains 2500 /2500 variables (removed 0) and now considering 19404/19404 (removed 0) transitions.
[2026-05-24 01:40:01] [INFO ] Invariant cache hit.
[2026-05-24 01:40:01] [INFO ] Implicit Places using invariants in 238 ms returned []
Implicit Place search using SMT only with invariants took 239 ms to find 0 implicit places.
Skipped dead transition search.
Finished structural reductions in LTL mode , in 1 iterations and 548 ms. Remains : 2500/2500 places, 19404/19404 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||G((p1&&X(p2))))))'
Stuttering acceptance computed with spot in 157 ms :[true, (OR (AND (NOT p0) (NOT p1)) (AND (NOT p0) (NOT p2))), (OR (AND (NOT p0) (NOT p1)) (AND (NOT p0) (NOT p2))), (OR (NOT p2) (NOT p1))]
Running random walk in product with property : Diffusion2D-PT-D50N010-LTLFireability-12
Entered a terminal (fully accepting) state of product in 6346 steps with 0 reset in 90 ms.
FORMULA Diffusion2D-PT-D50N010-LTLFireability-12 FALSE TECHNIQUES STUTTER_TEST
Treatment of property Diffusion2D-PT-D50N010-LTLFireability-12 finished in 870 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||X((G(p0) U (p1&&G(p0)))))) U X(!p0))))'
Support contains 2 out of 2500 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 2500/2500 places, 19404/19404 transitions.
Applied a total of 0 rules in 325 ms. Remains 2500 /2500 variables (removed 0) and now considering 19404/19404 (removed 0) transitions.
[2026-05-24 01:40:02] [INFO ] Invariant cache hit.
[2026-05-24 01:40:02] [INFO ] Implicit Places using invariants in 251 ms returned []
Implicit Place search using SMT only with invariants took 252 ms to find 0 implicit places.
Skipped dead transition search.
Finished structural reductions in LTL mode , in 1 iterations and 577 ms. Remains : 2500/2500 places, 19404/19404 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||X((G(p0) U (p1&&G(p0)))))) U X(!p0))))'
Stuttering acceptance computed with spot in 230 ms :[true, (NOT p0), (AND (NOT p1) p0), p0, (NOT p1)]
Running random walk in product with property : Diffusion2D-PT-D50N010-LTLFireability-14
Product exploration explored 100000 steps with 38 reset in 1232 ms.
Stack based approach found an accepted trace after 101 steps with 2 reset with depth 98 and stack size 98 in 2 ms.
FORMULA Diffusion2D-PT-D50N010-LTLFireability-14 FALSE TECHNIQUES STACK_TEST
Treatment of property Diffusion2D-PT-D50N010-LTLFireability-14 finished in 2126 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))&&F(p1)))'
Support contains 2 out of 2500 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 2500/2500 places, 19404/19404 transitions.
Applied a total of 0 rules in 322 ms. Remains 2500 /2500 variables (removed 0) and now considering 19404/19404 (removed 0) transitions.
[2026-05-24 01:40:04] [INFO ] Invariant cache hit.
[2026-05-24 01:40:04] [INFO ] Implicit Places using invariants in 268 ms returned []
Implicit Place search using SMT only with invariants took 270 ms to find 0 implicit places.
Skipped dead transition search.
Finished structural reductions in LTL mode , in 1 iterations and 592 ms. Remains : 2500/2500 places, 19404/19404 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))&&F(p1)))'
Stuttering acceptance computed with spot in 120 ms :[(OR (NOT p1) (NOT p0)), (NOT p0), (NOT p1)]
Running random walk in product with property : Diffusion2D-PT-D50N010-LTLFireability-15
Product exploration explored 100000 steps with 10 reset in 1242 ms.
Stack based approach found an accepted trace after 45 steps with 0 reset with depth 46 and stack size 46 in 1 ms.
FORMULA Diffusion2D-PT-D50N010-LTLFireability-15 FALSE TECHNIQUES STACK_TEST
Treatment of property Diffusion2D-PT-D50N010-LTLFireability-15 finished in 2032 ms.
All properties solved by simple procedures.
Total runtime 224156 ms.

BK_STOP 1779586806262

--------------------
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-D50N010"
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-D50N010, 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-177955695400204"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/Diffusion2D-PT-D50N010.tgz
mv Diffusion2D-PT-D50N010 execution
cd execution
if [ "LTLFireability" = "ReachabilityDeadlock" ] || [ "LTLFireability" = "UpperBounds" ] || [ "LTLFireability" = "QuasiLiveness" ] || [ "LTLFireability" = "StableMarking" ] || [ "LTLFireability" = "Liveness" ] || [ "LTLFireability" = "OneSafe" ] || [ "LTLFireability" = "StateSpace" ]; then
rm -f GenericPropertiesVerdict.xml
fi
pwd
ls -lh

echo
echo "--------------------"
echo "content from stdout:"
echo
echo "=== Data for post analysis generated by BenchKit (invocation template)"
echo
if [ "LTLFireability" = "UpperBounds" ] ; then
echo "The expected result is a vector of positive values"
echo NUM_VECTOR
elif [ "LTLFireability" != "StateSpace" ] ; then
echo "The expected result is a vector of booleans"
echo BOOL_VECTOR
else
echo "no data necessary for post analysis"
fi
echo
if [ -f "LTLFireability.xml" ] ; then # for cunf (txt files deleted;-)
echo echo "here is the order used to build the result vector(from xml file)"
for x in $(grep '' LTLFireability.xml | cut -d '>' -f 2 | cut -d '<' -f 1 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ "LTLFireability" = "ReachabilityDeadlock" ] || [ "LTLFireability" = "QuasiLiveness" ] || [ "LTLFireability" = "StableMarking" ] || [ "LTLFireability" = "Liveness" ] || [ "LTLFireability" = "OneSafe" ] ; then
echo "FORMULA_NAME LTLFireability"
fi
echo
echo "=== Now, execution of the tool begins"
echo
echo -n "BK_START "
date -u +%s%3N
echo
timeout -s 9 $BK_TIME_CONFINEMENT bash -c "/home/mcc/BenchKit/BenchKit_head.sh 2> STDERR ; echo ; echo -n \"BK_STOP \" ; date -u +%s%3N"
if [ $? -eq 137 ] ; then
echo
echo "BK_TIME_CONFINEMENT_REACHED"
fi
echo
echo "--------------------"
echo "content from stderr:"
echo
cat STDERR ;