About the Execution of ITS-Tools for Diffusion2D-PT-D05N050
| Execution Summary | |||||
| Max Memory Used (MB) |
Time wait (ms) | CPU Usage (ms) | I/O Wait (ms) | Computed Result | Execution Status |
| 416.195 | 22483.00 | 36583.00 | 151.20 | FFFFFFTFFFFFFFFF | 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-177955695300012.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-D05N050, examination is LTLFireability
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r098-tall-177955695300012
=====================================================================
--------------------
preparation of the directory to be used:
/home/mcc/execution
total 464K
-rw-r--r-- 1 mcc users 7.5K Mar 6 16:02 CTLCardinality.txt
-rw-r--r-- 1 mcc users 66K Mar 6 16:02 CTLCardinality.xml
-rw-r--r-- 1 mcc users 6.2K Mar 6 16:02 CTLFireability.txt
-rw-r--r-- 1 mcc users 49K 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 4.5K Mar 15 09:00 LTLCardinality.txt
-rw-r--r-- 1 mcc users 29K Mar 15 09:00 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.6K Mar 15 09:01 LTLFireability.txt
-rw-r--r-- 1 mcc users 17K Mar 15 09:01 LTLFireability.xml
-rw-r--r-- 1 mcc users 9.0K Mar 6 16:02 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 76K Mar 6 16:02 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 9.7K Mar 6 16:02 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 71K Mar 6 16:02 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.8K Mar 15 09:01 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.8K Mar 15 09:01 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 55K 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-D05N050-LTLFireability-00
FORMULA_NAME Diffusion2D-PT-D05N050-LTLFireability-01
FORMULA_NAME Diffusion2D-PT-D05N050-LTLFireability-02
FORMULA_NAME Diffusion2D-PT-D05N050-LTLFireability-03
FORMULA_NAME Diffusion2D-PT-D05N050-LTLFireability-04
FORMULA_NAME Diffusion2D-PT-D05N050-LTLFireability-05
FORMULA_NAME Diffusion2D-PT-D05N050-LTLFireability-06
FORMULA_NAME Diffusion2D-PT-D05N050-LTLFireability-07
FORMULA_NAME Diffusion2D-PT-D05N050-LTLFireability-08
FORMULA_NAME Diffusion2D-PT-D05N050-LTLFireability-09
FORMULA_NAME Diffusion2D-PT-D05N050-LTLFireability-10
FORMULA_NAME Diffusion2D-PT-D05N050-LTLFireability-11
FORMULA_NAME Diffusion2D-PT-D05N050-LTLFireability-12
FORMULA_NAME Diffusion2D-PT-D05N050-LTLFireability-13
FORMULA_NAME Diffusion2D-PT-D05N050-LTLFireability-14
FORMULA_NAME Diffusion2D-PT-D05N050-LTLFireability-15
=== Now, execution of the tool begins
BK_START 1779558470071
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-D05N050
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
LTLFireability PT
Running Version 202604301425
[2026-05-23 17:47:51] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, LTLFireability, -its, -ltsmin, -greatspnpath, /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/, -order, META, -manyOrder, -smt, -timeout, 3600]
[2026-05-23 17:47:51] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-05-23 17:47:51] [INFO ] Load time of PNML (sax parser for PT used): 53 ms
[2026-05-23 17:47:51] [INFO ] Transformed 25 places.
[2026-05-23 17:47:51] [INFO ] Transformed 144 transitions.
[2026-05-23 17:47:51] [INFO ] Parsed PT model containing 25 places and 144 transitions and 288 arcs in 139 ms.
Parsed 16 properties from file /home/mcc/execution/LTLFireability.xml in 8 ms.
Working with output stream class java.io.PrintStream
Initial state reduction rules removed 4 formulas.
FORMULA Diffusion2D-PT-D05N050-LTLFireability-02 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA Diffusion2D-PT-D05N050-LTLFireability-03 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA Diffusion2D-PT-D05N050-LTLFireability-06 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA Diffusion2D-PT-D05N050-LTLFireability-09 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Support contains 17 out of 25 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 25/25 places, 144/144 transitions.
Applied a total of 0 rules in 8 ms. Remains 25 /25 variables (removed 0) and now considering 144/144 (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-10202764163922340116.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-3143651215964687546.kers'
[2026-05-23 17:47:51] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-10202764163922340116.kers, --Pflows, --basisKERS=/tmp/petrispot-output-3143651215964687546.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 144 rows 25 cols 288 entries
Finished phase 1 with 24 SingleSign rule and 0 generalized
[2026-05-23 17:47:51] [INFO ] Computed 1 invariants in 0 ms
Computed 1 P flows in 1 ms.
Exported basis to /tmp/petrispot-output-3143651215964687546.kers
Total runtime 2 ms.
[2026-05-23 17:47:51] [INFO ] Implicit Places using invariants in 143 ms returned []
[2026-05-23 17:47:51] [INFO ] Invariant cache hit.
[2026-05-23 17:47:51] [INFO ] Implicit Places using invariants and state equation in 73 ms returned []
Implicit Place search using SMT with State Equation took 248 ms to find 0 implicit places.
Running 136 sub problems to find dead transitions.
[2026-05-23 17:47:51] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/24 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 136 unsolved
At refinement iteration 1 (OVERLAPS) 1/25 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 136 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/25 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 136 unsolved
At refinement iteration 3 (OVERLAPS) 144/169 variables, 25/26 constraints. Problems are: Problem set: 0 solved, 136 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/169 variables, 0/26 constraints. Problems are: Problem set: 0 solved, 136 unsolved
At refinement iteration 5 (OVERLAPS) 0/169 variables, 0/26 constraints. Problems are: Problem set: 0 solved, 136 unsolved
No progress, stopping.
After SMT solving in domain Real declared 169/169 variables, and 26 constraints, problems are : Problem set: 0 solved, 136 unsolved in 2562 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 25/25 constraints, PredecessorRefiner: 136/136 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 136 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/24 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 136 unsolved
At refinement iteration 1 (OVERLAPS) 1/25 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 136 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/25 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 136 unsolved
At refinement iteration 3 (OVERLAPS) 144/169 variables, 25/26 constraints. Problems are: Problem set: 0 solved, 136 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/169 variables, 136/162 constraints. Problems are: Problem set: 0 solved, 136 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/169 variables, 0/162 constraints. Problems are: Problem set: 0 solved, 136 unsolved
At refinement iteration 6 (OVERLAPS) 0/169 variables, 0/162 constraints. Problems are: Problem set: 0 solved, 136 unsolved
No progress, stopping.
After SMT solving in domain Int declared 169/169 variables, and 162 constraints, problems are : Problem set: 0 solved, 136 unsolved in 2131 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 25/25 constraints, PredecessorRefiner: 136/136 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 4764ms problems are : Problem set: 0 solved, 136 unsolved
Search for dead transitions found 0 dead transitions in 4775ms
Finished structural reductions in LTL mode , in 1 iterations and 5062 ms. Remains : 25/25 places, 144/144 transitions.
Starting structural reductions in LTL mode, iteration 0 : 25/25 places, 144/144 transitions.
Applied a total of 0 rules in 1 ms. Remains 25 /25 variables (removed 0) and now considering 144/144 (removed 0) transitions.
[2026-05-23 17:47:56] [INFO ] Invariant cache hit.
[2026-05-23 17:47:56] [INFO ] Implicit Places using invariants in 21 ms returned []
[2026-05-23 17:47:56] [INFO ] Invariant cache hit.
[2026-05-23 17:47:56] [INFO ] Implicit Places using invariants and state equation in 48 ms returned []
Implicit Place search using SMT with State Equation took 72 ms to find 0 implicit places.
Skipped dead transition search.
Finished structural reductions in LTL mode , in 1 iterations and 74 ms. Remains : 25/25 places, 144/144 transitions.
Support contains 17 out of 25 places after structural reductions.
[2026-05-23 17:47:56] [INFO ] Flatten gal took : 26 ms
[2026-05-23 17:47:56] [INFO ] Flatten gal took : 9 ms
[2026-05-23 17:47:56] [INFO ] Input system was already deterministic with 144 transitions.
Support contains 16 out of 25 places (down from 17) after GAL structural reductions.
RANDOM walk for 15060 steps (2 resets) in 67 ms. (221 steps per ms) remains 0/16 properties
FORMULA Diffusion2D-PT-D05N050-LTLFireability-10 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(X((G(F(p0)) U (X(X(p1))&&(p1 U p2))))))'
Support contains 3 out of 25 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 25/25 places, 144/144 transitions.
Applied a total of 0 rules in 1 ms. Remains 25 /25 variables (removed 0) and now considering 144/144 (removed 0) transitions.
[2026-05-23 17:47:57] [INFO ] Invariant cache hit.
[2026-05-23 17:47:57] [INFO ] Implicit Places using invariants in 20 ms returned []
[2026-05-23 17:47:57] [INFO ] Invariant cache hit.
[2026-05-23 17:47:57] [INFO ] Implicit Places using invariants and state equation in 48 ms returned []
Implicit Place search using SMT with State Equation took 73 ms to find 0 implicit places.
Skipped dead transition search.
Finished structural reductions in LTL mode , in 1 iterations and 74 ms. Remains : 25/25 places, 144/144 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(F(p0)) U (X(X(p1))&&(p1 U p2))))))'
Stuttering acceptance computed with spot in 580 ms :[(OR (NOT p1) (NOT p2)), (OR (NOT p1) (NOT p2)), (OR (NOT p1) (NOT p2)), (NOT p0), (NOT p0), (NOT p1), (NOT p2), (NOT p1), (AND (NOT p0) (NOT p1)), (NOT p1), (AND (NOT p1) (NOT p2))]
Running random walk in product with property : Diffusion2D-PT-D05N050-LTLFireability-00
Product exploration explored 100000 steps with 4893 reset in 306 ms.
Stack based approach found an accepted trace after 5 steps with 0 reset with depth 6 and stack size 6 in 1 ms.
FORMULA Diffusion2D-PT-D05N050-LTLFireability-00 FALSE TECHNIQUES STACK_TEST
Treatment of property Diffusion2D-PT-D05N050-LTLFireability-00 finished in 1086 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 25 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 25/25 places, 144/144 transitions.
Graph (trivial) has 128 edges and 25 vertex of which 24 / 25 are part of one of the 1 SCC in 3 ms
Free SCC test removed 23 places
Ensure Unique test removed 141 transitions
Reduce isomorphic transitions removed 141 transitions.
Applied a total of 1 rules in 16 ms. Remains 2 /25 variables (removed 23) and now considering 3/144 (removed 141) transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-10576091683888598585.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-17836687137141385154.kers'
[2026-05-23 17:47:58] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-10576091683888598585.kers, --Pflows, --basisKERS=/tmp/petrispot-output-17836687137141385154.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 17:47:58] [INFO ] Computed 1 invariants in 0 ms
Computed 1 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-17836687137141385154.kers
Total runtime 0 ms.
[2026-05-23 17:47:58] [INFO ] Implicit Places using invariants in 33 ms returned []
[2026-05-23 17:47:58] [INFO ] Invariant cache hit.
[2026-05-23 17:47:58] [INFO ] Implicit Places using invariants and state equation in 18 ms returned []
Implicit Place search using SMT with State Equation took 54 ms to find 0 implicit places.
[2026-05-23 17:47:58] [INFO ] Redundant transitions in 0 ms returned []
Running 1 sub problems to find dead transitions.
[2026-05-23 17:47:58] [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 20 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 2/2 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
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 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 : 2/25 places, 3/144 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 121 ms. Remains : 2/25 places, 3/144 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 29 ms :[(NOT p0)]
Running random walk in product with property : Diffusion2D-PT-D05N050-LTLFireability-01
Stuttering criterion allowed to conclude after 0 steps with 0 reset in 0 ms.
FORMULA Diffusion2D-PT-D05N050-LTLFireability-01 FALSE TECHNIQUES STUTTER_TEST
Treatment of property Diffusion2D-PT-D05N050-LTLFireability-01 finished in 197 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 p1) U (p2&&X(!p0))))'
Support contains 3 out of 25 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 25/25 places, 144/144 transitions.
Applied a total of 0 rules in 1 ms. Remains 25 /25 variables (removed 0) and now considering 144/144 (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-12203086148739493572.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-12116989377129222095.kers'
[2026-05-23 17:47:58] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-12203086148739493572.kers, --Pflows, --basisKERS=/tmp/petrispot-output-12116989377129222095.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 144 rows 25 cols 288 entries
Finished phase 1 with 24 SingleSign rule and 0 generalized
[2026-05-23 17:47:58] [INFO ] Computed 1 invariants in 0 ms
Computed 1 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-12116989377129222095.kers
Total runtime 0 ms.
[2026-05-23 17:47:58] [INFO ] Implicit Places using invariants in 26 ms returned []
[2026-05-23 17:47:58] [INFO ] Invariant cache hit.
[2026-05-23 17:47:58] [INFO ] Implicit Places using invariants and state equation in 35 ms returned []
Implicit Place search using SMT with State Equation took 63 ms to find 0 implicit places.
Running 136 sub problems to find dead transitions.
[2026-05-23 17:47:58] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/24 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 136 unsolved
At refinement iteration 1 (OVERLAPS) 1/25 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 136 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/25 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 136 unsolved
At refinement iteration 3 (OVERLAPS) 144/169 variables, 25/26 constraints. Problems are: Problem set: 0 solved, 136 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/169 variables, 0/26 constraints. Problems are: Problem set: 0 solved, 136 unsolved
At refinement iteration 5 (OVERLAPS) 0/169 variables, 0/26 constraints. Problems are: Problem set: 0 solved, 136 unsolved
No progress, stopping.
After SMT solving in domain Real declared 169/169 variables, and 26 constraints, problems are : Problem set: 0 solved, 136 unsolved in 2545 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 25/25 constraints, PredecessorRefiner: 136/136 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 136 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/24 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 136 unsolved
At refinement iteration 1 (OVERLAPS) 1/25 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 136 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/25 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 136 unsolved
At refinement iteration 3 (OVERLAPS) 144/169 variables, 25/26 constraints. Problems are: Problem set: 0 solved, 136 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/169 variables, 136/162 constraints. Problems are: Problem set: 0 solved, 136 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/169 variables, 0/162 constraints. Problems are: Problem set: 0 solved, 136 unsolved
At refinement iteration 6 (OVERLAPS) 0/169 variables, 0/162 constraints. Problems are: Problem set: 0 solved, 136 unsolved
No progress, stopping.
After SMT solving in domain Int declared 169/169 variables, and 162 constraints, problems are : Problem set: 0 solved, 136 unsolved in 2052 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 25/25 constraints, PredecessorRefiner: 136/136 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 4610ms problems are : Problem set: 0 solved, 136 unsolved
Search for dead transitions found 0 dead transitions in 4611ms
Finished structural reductions in LTL mode , in 1 iterations and 4676 ms. Remains : 25/25 places, 144/144 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 p1) U (p2&&X(!p0))))'
Stuttering acceptance computed with spot in 209 ms :[(OR (NOT p2) p0), (NOT p0), (NOT p1), (AND p0 (NOT p1) p2), p0]
Running random walk in product with property : Diffusion2D-PT-D05N050-LTLFireability-04
Product exploration explored 100000 steps with 6357 reset in 225 ms.
Stack based approach found an accepted trace after 139 steps with 4 reset with depth 28 and stack size 28 in 1 ms.
FORMULA Diffusion2D-PT-D05N050-LTLFireability-04 FALSE TECHNIQUES STACK_TEST
Treatment of property Diffusion2D-PT-D05N050-LTLFireability-04 finished in 5148 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(X(X(X(F(p0))))))'
Support contains 1 out of 25 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 25/25 places, 144/144 transitions.
Applied a total of 0 rules in 1 ms. Remains 25 /25 variables (removed 0) and now considering 144/144 (removed 0) transitions.
[2026-05-23 17:48:03] [INFO ] Invariant cache hit.
[2026-05-23 17:48:03] [INFO ] Implicit Places using invariants in 18 ms returned []
[2026-05-23 17:48:03] [INFO ] Invariant cache hit.
[2026-05-23 17:48:03] [INFO ] Implicit Places using invariants and state equation in 44 ms returned []
Implicit Place search using SMT with State Equation took 63 ms to find 0 implicit places.
Skipped dead transition search.
Finished structural reductions in LTL mode , in 1 iterations and 64 ms. Remains : 25/25 places, 144/144 transitions.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(X(X(X(F(p0))))))'
Stuttering acceptance computed with spot in 190 ms :[(NOT p0), (NOT p0), (NOT p0), (NOT p0), (NOT p0)]
Running random walk in product with property : Diffusion2D-PT-D05N050-LTLFireability-05
Product exploration explored 100000 steps with 18777 reset in 187 ms.
Stack based approach found an accepted trace after 410 steps with 79 reset with depth 10 and stack size 10 in 0 ms.
FORMULA Diffusion2D-PT-D05N050-LTLFireability-05 FALSE TECHNIQUES STACK_TEST
Treatment of property Diffusion2D-PT-D05N050-LTLFireability-05 finished in 475 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(G((F(p0)&&F(G(p1)))))'
Support contains 2 out of 25 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 25/25 places, 144/144 transitions.
Graph (trivial) has 120 edges and 25 vertex of which 23 / 25 are part of one of the 1 SCC in 0 ms
Free SCC test removed 22 places
Ensure Unique test removed 137 transitions
Reduce isomorphic transitions removed 137 transitions.
Applied a total of 1 rules in 1 ms. Remains 3 /25 variables (removed 22) and now considering 7/144 (removed 137) transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-13684081668362855249.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-9876239868136811807.kers'
[2026-05-23 17:48:04] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-13684081668362855249.kers, --Pflows, --basisKERS=/tmp/petrispot-output-9876239868136811807.kers]
Normalized transition count is 6 out of 7 initially.
Culled 0 columns in 0 ms.
// Phase 1: matrix 6 rows 3 cols 12 entries
Finished phase 1 with 2 SingleSign rule and 0 generalized
[2026-05-23 17:48:04] [INFO ] Computed 1 invariants in 0 ms
Computed 1 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-9876239868136811807.kers
Total runtime 0 ms.
[2026-05-23 17:48:04] [INFO ] Implicit Places using invariants in 18 ms returned []
[2026-05-23 17:48:04] [INFO ] Invariant cache hit.
[2026-05-23 17:48:04] [INFO ] Implicit Places using invariants and state equation in 20 ms returned []
Implicit Place search using SMT with State Equation took 41 ms to find 0 implicit places.
[2026-05-23 17:48:04] [INFO ] Redundant transitions in 0 ms returned []
Running 4 sub problems to find dead transitions.
[2026-05-23 17:48:04] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/2 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 1 (OVERLAPS) 1/3 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/3 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 3 (OVERLAPS) 6/9 variables, 3/4 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/9 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 5 (OVERLAPS) 0/9 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 4 unsolved
No progress, stopping.
After SMT solving in domain Real declared 9/10 variables, and 4 constraints, problems are : Problem set: 0 solved, 4 unsolved in 42 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 3/3 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) 0/2 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 1 (OVERLAPS) 1/3 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/3 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 3 (OVERLAPS) 6/9 variables, 3/4 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/9 variables, 4/8 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/9 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 6 (OVERLAPS) 0/9 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 4 unsolved
No progress, stopping.
After SMT solving in domain Int declared 9/10 variables, and 8 constraints, problems are : Problem set: 0 solved, 4 unsolved in 36 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 3/3 constraints, PredecessorRefiner: 4/4 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 80ms problems are : Problem set: 0 solved, 4 unsolved
Search for dead transitions found 0 dead transitions in 80ms
Starting structural reductions in SI_LTL mode, iteration 1 : 3/25 places, 7/144 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 135 ms. Remains : 3/25 places, 7/144 transitions.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(G((F(p0)&&F(G(p1)))))'
Stuttering acceptance computed with spot in 131 ms :[(OR (NOT p0) (NOT p1)), (NOT p0), (NOT p1)]
Running random walk in product with property : Diffusion2D-PT-D05N050-LTLFireability-07
Stuttering criterion allowed to conclude after 0 steps with 0 reset in 0 ms.
FORMULA Diffusion2D-PT-D05N050-LTLFireability-07 FALSE TECHNIQUES STUTTER_TEST
Treatment of property Diffusion2D-PT-D05N050-LTLFireability-07 finished in 298 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(X(F((p0||G(p1)||G(!p2))))))'
Support contains 3 out of 25 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 25/25 places, 144/144 transitions.
Applied a total of 0 rules in 2 ms. Remains 25 /25 variables (removed 0) and now considering 144/144 (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-8318866242916571781.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-17067551979547059109.kers'
[2026-05-23 17:48:04] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-8318866242916571781.kers, --Pflows, --basisKERS=/tmp/petrispot-output-17067551979547059109.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 144 rows 25 cols 288 entries
Finished phase 1 with 24 SingleSign rule and 0 generalized
[2026-05-23 17:48:04] [INFO ] Computed 1 invariants in 1 ms
Computed 1 P flows in 2 ms.
Exported basis to /tmp/petrispot-output-17067551979547059109.kers
Total runtime 2 ms.
[2026-05-23 17:48:04] [INFO ] Implicit Places using invariants in 25 ms returned []
[2026-05-23 17:48:04] [INFO ] Invariant cache hit.
[2026-05-23 17:48:04] [INFO ] Implicit Places using invariants and state equation in 41 ms returned []
Implicit Place search using SMT with State Equation took 72 ms to find 0 implicit places.
Running 136 sub problems to find dead transitions.
[2026-05-23 17:48:04] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/24 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 136 unsolved
At refinement iteration 1 (OVERLAPS) 1/25 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 136 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/25 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 136 unsolved
At refinement iteration 3 (OVERLAPS) 144/169 variables, 25/26 constraints. Problems are: Problem set: 0 solved, 136 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/169 variables, 0/26 constraints. Problems are: Problem set: 0 solved, 136 unsolved
At refinement iteration 5 (OVERLAPS) 0/169 variables, 0/26 constraints. Problems are: Problem set: 0 solved, 136 unsolved
No progress, stopping.
After SMT solving in domain Real declared 169/169 variables, and 26 constraints, problems are : Problem set: 0 solved, 136 unsolved in 2120 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 25/25 constraints, PredecessorRefiner: 136/136 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 136 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/24 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 136 unsolved
At refinement iteration 1 (OVERLAPS) 1/25 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 136 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/25 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 136 unsolved
At refinement iteration 3 (OVERLAPS) 144/169 variables, 25/26 constraints. Problems are: Problem set: 0 solved, 136 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/169 variables, 136/162 constraints. Problems are: Problem set: 0 solved, 136 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/169 variables, 0/162 constraints. Problems are: Problem set: 0 solved, 136 unsolved
At refinement iteration 6 (OVERLAPS) 0/169 variables, 0/162 constraints. Problems are: Problem set: 0 solved, 136 unsolved
No progress, stopping.
After SMT solving in domain Int declared 169/169 variables, and 162 constraints, problems are : Problem set: 0 solved, 136 unsolved in 2082 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 25/25 constraints, PredecessorRefiner: 136/136 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 4224ms problems are : Problem set: 0 solved, 136 unsolved
Search for dead transitions found 0 dead transitions in 4226ms
Finished structural reductions in LTL mode , in 1 iterations and 4300 ms. Remains : 25/25 places, 144/144 transitions.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(X(F((p0||G(p1)||G(p2))))))'
Stuttering acceptance computed with spot in 144 ms :[(AND (NOT p1) (NOT p0) (NOT p2)), (AND (NOT p1) (NOT p0) (NOT p2)), (AND (NOT p1) (NOT p0) (NOT p2))]
Running random walk in product with property : Diffusion2D-PT-D05N050-LTLFireability-08
Product exploration explored 100000 steps with 32017 reset in 104 ms.
Stack based approach found an accepted trace after 29432 steps with 9390 reset with depth 15 and stack size 15 in 42 ms.
FORMULA Diffusion2D-PT-D05N050-LTLFireability-08 FALSE TECHNIQUES STACK_TEST
Treatment of property Diffusion2D-PT-D05N050-LTLFireability-08 finished in 4627 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X((X(X(!p0)) U ((!p1&&X(X(!p0)))||X(X(G(!p0)))))))'
Support contains 2 out of 25 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 25/25 places, 144/144 transitions.
Applied a total of 0 rules in 1 ms. Remains 25 /25 variables (removed 0) and now considering 144/144 (removed 0) transitions.
[2026-05-23 17:48:09] [INFO ] Invariant cache hit.
[2026-05-23 17:48:09] [INFO ] Implicit Places using invariants in 19 ms returned []
[2026-05-23 17:48:09] [INFO ] Invariant cache hit.
[2026-05-23 17:48:09] [INFO ] Implicit Places using invariants and state equation in 46 ms returned []
Implicit Place search using SMT with State Equation took 67 ms to find 0 implicit places.
Skipped dead transition search.
Finished structural reductions in LTL mode , in 1 iterations and 68 ms. Remains : 25/25 places, 144/144 transitions.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X((X(X(!p0)) U (X(X(G(!p0)))||(!p1&&X(X(!p0)))))))'
Stuttering acceptance computed with spot in 178 ms :[p0, p0, p0, p0, true]
Running random walk in product with property : Diffusion2D-PT-D05N050-LTLFireability-11
Entered a terminal (fully accepting) state of product in 47 steps with 11 reset in 0 ms.
FORMULA Diffusion2D-PT-D05N050-LTLFireability-11 FALSE TECHNIQUES STUTTER_TEST
Treatment of property Diffusion2D-PT-D05N050-LTLFireability-11 finished in 287 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(((p0 U p1) U X(G((p2||X(((G(p1)||X(G(p3))) U (p2&&(G(p1)||X(G(p3)))))))))))'
Support contains 4 out of 25 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 25/25 places, 144/144 transitions.
Applied a total of 0 rules in 2 ms. Remains 25 /25 variables (removed 0) and now considering 144/144 (removed 0) transitions.
[2026-05-23 17:48:09] [INFO ] Invariant cache hit.
[2026-05-23 17:48:09] [INFO ] Implicit Places using invariants in 30 ms returned []
[2026-05-23 17:48:09] [INFO ] Invariant cache hit.
[2026-05-23 17:48:09] [INFO ] Implicit Places using invariants and state equation in 41 ms returned []
Implicit Place search using SMT with State Equation took 74 ms to find 0 implicit places.
Skipped dead transition search.
Finished structural reductions in LTL mode , in 1 iterations and 77 ms. Remains : 25/25 places, 144/144 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 p1) U X(G((p2||X(((G(p1)||X(G(p3))) U (p2&&(G(p1)||X(G(p3)))))))))))'
Stuttering acceptance computed with spot in 1256 ms :[(NOT p2), (AND (NOT p1) (NOT p2)), (NOT p2), (OR (NOT p2) (AND (NOT p1) (NOT p3))), (NOT p3), (AND (NOT p3) (NOT p1)), true, (OR (AND (NOT p1) (NOT p2)) (AND (NOT p1) (NOT p3))), (OR (AND (NOT p1) (NOT p2)) (AND (NOT p2) p3)), (AND (NOT p1) (NOT p2) p3), (NOT p2), (NOT p1), (AND (NOT p1) (NOT p3)), (AND (NOT p2) (NOT p3)), (AND (NOT p2) (NOT p1) (NOT p3)), (AND (NOT p1) (NOT p2) (NOT p3)), (AND (NOT p2) (NOT p3)), (AND (NOT p1) (NOT p2) (NOT p3)), (NOT p1), (AND (NOT p1) (NOT p3)), (AND (NOT p1) (NOT p2)), (AND (NOT p1) (NOT p3)), (AND (NOT p2) (NOT p3)), (AND (NOT p1) (NOT p2)), (AND (NOT p1) (NOT p2)), (AND (NOT p1) (NOT p2) (NOT p3))]
Running random walk in product with property : Diffusion2D-PT-D05N050-LTLFireability-12
Entered a terminal (fully accepting) state of product in 4 steps with 0 reset in 1 ms.
FORMULA Diffusion2D-PT-D05N050-LTLFireability-12 FALSE TECHNIQUES STUTTER_TEST
Treatment of property Diffusion2D-PT-D05N050-LTLFireability-12 finished in 1441 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)) U (!p0&&(X(p1) U ((!p2&&X(p1))||X(G(p1))))))))'
Support contains 3 out of 25 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 25/25 places, 144/144 transitions.
Applied a total of 0 rules in 1 ms. Remains 25 /25 variables (removed 0) and now considering 144/144 (removed 0) transitions.
[2026-05-23 17:48:10] [INFO ] Invariant cache hit.
[2026-05-23 17:48:10] [INFO ] Implicit Places using invariants in 18 ms returned []
[2026-05-23 17:48:10] [INFO ] Invariant cache hit.
[2026-05-23 17:48:10] [INFO ] Implicit Places using invariants and state equation in 44 ms returned []
Implicit Place search using SMT with State Equation took 65 ms to find 0 implicit places.
Skipped dead transition search.
Finished structural reductions in LTL mode , in 1 iterations and 66 ms. Remains : 25/25 places, 144/144 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)) U (!p0&&(X(p1) U ((!p2&&X(p1))||X(G(p1))))))))'
Stuttering acceptance computed with spot in 251 ms :[(OR (NOT p1) p0), (OR (NOT p1) p0), p0, (NOT p1), (AND p0 (NOT p1))]
Running random walk in product with property : Diffusion2D-PT-D05N050-LTLFireability-13
Product exploration explored 100000 steps with 0 reset in 498 ms.
Stack based approach found an accepted trace after 128 steps with 0 reset with depth 129 and stack size 128 in 1 ms.
FORMULA Diffusion2D-PT-D05N050-LTLFireability-13 FALSE TECHNIQUES STACK_TEST
Treatment of property Diffusion2D-PT-D05N050-LTLFireability-13 finished in 866 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) U ((!p1&&X(p1))||X(G(p1)))))))'
Support contains 2 out of 25 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 25/25 places, 144/144 transitions.
Applied a total of 0 rules in 1 ms. Remains 25 /25 variables (removed 0) and now considering 144/144 (removed 0) transitions.
[2026-05-23 17:48:11] [INFO ] Invariant cache hit.
[2026-05-23 17:48:11] [INFO ] Implicit Places using invariants in 25 ms returned []
[2026-05-23 17:48:11] [INFO ] Invariant cache hit.
[2026-05-23 17:48:11] [INFO ] Implicit Places using invariants and state equation in 38 ms returned []
Implicit Place search using SMT with State Equation took 64 ms to find 0 implicit places.
Skipped dead transition search.
Finished structural reductions in LTL mode , in 1 iterations and 65 ms. Remains : 25/25 places, 144/144 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) U (X(G(p1))||(!p1&&X(p1)))))))'
Stuttering acceptance computed with spot in 407 ms :[(NOT p1), (NOT p1), (NOT p1), (NOT p1), (NOT p1), (NOT p1), (AND (NOT p0) (NOT p1)), true, (NOT p0)]
Running random walk in product with property : Diffusion2D-PT-D05N050-LTLFireability-14
Entered a terminal (fully accepting) state of product in 3 steps with 0 reset in 0 ms.
FORMULA Diffusion2D-PT-D05N050-LTLFireability-14 FALSE TECHNIQUES STUTTER_TEST
Treatment of property Diffusion2D-PT-D05N050-LTLFireability-14 finished in 508 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 25 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 25/25 places, 144/144 transitions.
Graph (trivial) has 134 edges and 25 vertex of which 24 / 25 are part of one of the 1 SCC in 0 ms
Free SCC test removed 23 places
Ensure Unique test removed 141 transitions
Reduce isomorphic transitions removed 141 transitions.
Applied a total of 1 rules in 2 ms. Remains 2 /25 variables (removed 23) and now considering 3/144 (removed 141) transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-13141377718833693094.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-17385744969935928051.kers'
[2026-05-23 17:48:12] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-13141377718833693094.kers, --Pflows, --basisKERS=/tmp/petrispot-output-17385744969935928051.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 17:48:12] [INFO ] Computed 1 invariants in 0 ms
Computed 1 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-17385744969935928051.kers
Total runtime 0 ms.
[2026-05-23 17:48:12] [INFO ] Implicit Places using invariants in 18 ms returned []
[2026-05-23 17:48:12] [INFO ] Invariant cache hit.
[2026-05-23 17:48:12] [INFO ] Implicit Places using invariants and state equation in 26 ms returned []
Implicit Place search using SMT with State Equation took 48 ms to find 0 implicit places.
[2026-05-23 17:48:12] [INFO ] Redundant transitions in 0 ms returned []
Running 1 sub problems to find dead transitions.
[2026-05-23 17:48:12] [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 28 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 31 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 61ms problems are : Problem set: 0 solved, 1 unsolved
Search for dead transitions found 0 dead transitions in 62ms
Starting structural reductions in SI_LTL mode, iteration 1 : 2/25 places, 3/144 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 117 ms. Remains : 2/25 places, 3/144 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-D05N050-LTLFireability-15
Stuttering criterion allowed to conclude after 0 steps with 0 reset in 0 ms.
FORMULA Diffusion2D-PT-D05N050-LTLFireability-15 FALSE TECHNIQUES STUTTER_TEST
Treatment of property Diffusion2D-PT-D05N050-LTLFireability-15 finished in 229 ms.
All properties solved by simple procedures.
Total runtime 21248 ms.
BK_STOP 1779558492554
--------------------
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-D05N050"
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-D05N050, 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-177955695300012"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"
tar xzf /home/mcc/BenchKit/INPUTS/Diffusion2D-PT-D05N050.tgz
mv Diffusion2D-PT-D05N050 execution
cd execution
if [ "LTLFireability" = "ReachabilityDeadlock" ] || [ "LTLFireability" = "UpperBounds" ] || [ "LTLFireability" = "QuasiLiveness" ] || [ "LTLFireability" = "StableMarking" ] || [ "LTLFireability" = "Liveness" ] || [ "LTLFireability" = "OneSafe" ] || [ "LTLFireability" = "StateSpace" ]; then
rm -f GenericPropertiesVerdict.xml
fi
pwd
ls -lh
echo
echo "--------------------"
echo "content from stdout:"
echo
echo "=== Data for post analysis generated by BenchKit (invocation template)"
echo
if [ "LTLFireability" = "UpperBounds" ] ; then
echo "The expected result is a vector of positive values"
echo NUM_VECTOR
elif [ "LTLFireability" != "StateSpace" ] ; then
echo "The expected result is a vector of booleans"
echo BOOL_VECTOR
else
echo "no data necessary for post analysis"
fi
echo
if [ -f "LTLFireability.xml" ] ; then # for cunf (txt files deleted;-)
echo echo "here is the order used to build the result vector(from xml file)"
for x in $(grep '
echo "FORMULA_NAME $x"
done
elif [ "LTLFireability" = "ReachabilityDeadlock" ] || [ "LTLFireability" = "QuasiLiveness" ] || [ "LTLFireability" = "StableMarking" ] || [ "LTLFireability" = "Liveness" ] || [ "LTLFireability" = "OneSafe" ] ; then
echo "FORMULA_NAME LTLFireability"
fi
echo
echo "=== Now, execution of the tool begins"
echo
echo -n "BK_START "
date -u +%s%3N
echo
timeout -s 9 $BK_TIME_CONFINEMENT bash -c "/home/mcc/BenchKit/BenchKit_head.sh 2> STDERR ; echo ; echo -n \"BK_STOP \" ; date -u +%s%3N"
if [ $? -eq 137 ] ; then
echo
echo "BK_TIME_CONFINEMENT_REACHED"
fi
echo
echo "--------------------"
echo "content from stderr:"
echo
cat STDERR ;
