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-177955695300052.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)
...........................
=====================================================================
Generated by BenchKit 2-5973
Executing tool itstools
Input is Diffusion2D-PT-D05N300, examination is LTLFireability
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r098-tall-177955695300052
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 500K
-rw-r--r-- 1 mcc users 7.9K Mar 6 16:05 CTLCardinality.txt
-rw-r--r-- 1 mcc users 77K Mar 6 16:05 CTLCardinality.xml
-rw-r--r-- 1 mcc users 6.1K Mar 6 16:05 CTLFireability.txt
-rw-r--r-- 1 mcc users 51K Mar 6 16:05 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 4.2K Mar 15 09:02 LTLCardinality.txt
-rw-r--r-- 1 mcc users 27K Mar 15 09:02 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.6K Mar 15 09:02 LTLFireability.txt
-rw-r--r-- 1 mcc users 18K Mar 15 09:02 LTLFireability.xml
-rw-r--r-- 1 mcc users 14K Mar 6 16:05 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 128K Mar 6 16:05 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 7.1K Mar 6 16:05 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 47K Mar 6 16:05 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.8K Mar 15 09:02 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.8K Mar 15 09:02 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-D05N300-LTLFireability-00
FORMULA_NAME Diffusion2D-PT-D05N300-LTLFireability-01
FORMULA_NAME Diffusion2D-PT-D05N300-LTLFireability-02
FORMULA_NAME Diffusion2D-PT-D05N300-LTLFireability-03
FORMULA_NAME Diffusion2D-PT-D05N300-LTLFireability-04
FORMULA_NAME Diffusion2D-PT-D05N300-LTLFireability-05
FORMULA_NAME Diffusion2D-PT-D05N300-LTLFireability-06
FORMULA_NAME Diffusion2D-PT-D05N300-LTLFireability-07
FORMULA_NAME Diffusion2D-PT-D05N300-LTLFireability-08
FORMULA_NAME Diffusion2D-PT-D05N300-LTLFireability-09
FORMULA_NAME Diffusion2D-PT-D05N300-LTLFireability-10
FORMULA_NAME Diffusion2D-PT-D05N300-LTLFireability-11
FORMULA_NAME Diffusion2D-PT-D05N300-LTLFireability-12
FORMULA_NAME Diffusion2D-PT-D05N300-LTLFireability-13
FORMULA_NAME Diffusion2D-PT-D05N300-LTLFireability-14
FORMULA_NAME Diffusion2D-PT-D05N300-LTLFireability-15

=== Now, execution of the tool begins

BK_START 1779562617935

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-D05N300
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
LTLFireability PT
Running Version 202604301425
[2026-05-23 18:56:59] [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 18:56:59] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-05-23 18:56:59] [INFO ] Load time of PNML (sax parser for PT used): 61 ms
[2026-05-23 18:56:59] [INFO ] Transformed 25 places.
[2026-05-23 18:56:59] [INFO ] Transformed 144 transitions.
[2026-05-23 18:56:59] [INFO ] Parsed PT model containing 25 places and 144 transitions and 288 arcs in 148 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 2 formulas.
FORMULA Diffusion2D-PT-D05N300-LTLFireability-11 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA Diffusion2D-PT-D05N300-LTLFireability-14 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Support contains 19 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-9758763497393576354.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-13116705191364300212.kers'
[2026-05-23 18:56:59] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-9758763497393576354.kers, --Pflows, --basisKERS=/tmp/petrispot-output-13116705191364300212.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 18:56:59] [INFO ] Computed 1 invariants in 0 ms
Computed 1 P flows in 1 ms.
Exported basis to /tmp/petrispot-output-13116705191364300212.kers
Total runtime 1 ms.
[2026-05-23 18:56:59] [INFO ] Implicit Places using invariants in 146 ms returned []
[2026-05-23 18:56:59] [INFO ] Invariant cache hit.
[2026-05-23 18:56:59] [INFO ] Implicit Places using invariants and state equation in 73 ms returned []
Implicit Place search using SMT with State Equation took 253 ms to find 0 implicit places.
Running 136 sub problems to find dead transitions.
[2026-05-23 18:56:59] [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 2877 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 5024ms problems are : Problem set: 0 solved, 136 unsolved
Search for dead transitions found 0 dead transitions in 5036ms
Finished structural reductions in LTL mode , in 1 iterations and 5328 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 18:57:04] [INFO ] Invariant cache hit.
[2026-05-23 18:57:04] [INFO ] Implicit Places using invariants in 27 ms returned []
[2026-05-23 18:57:04] [INFO ] Invariant cache hit.
[2026-05-23 18:57:04] [INFO ] Implicit Places using invariants and state equation in 34 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.
Support contains 19 out of 25 places after structural reductions.
[2026-05-23 18:57:04] [INFO ] Flatten gal took : 25 ms
[2026-05-23 18:57:04] [INFO ] Flatten gal took : 10 ms
[2026-05-23 18:57:05] [INFO ] Input system was already deterministic with 144 transitions.
RANDOM walk for 40954 steps (8 resets) in 61 ms. (660 steps per ms) remains 0/20 properties
FORMULA Diffusion2D-PT-D05N300-LTLFireability-12 FALSE TECHNIQUES REACHABILITY_KNOWLEDGE
Computed a total of 0 stabilizing places and 0 stable transitions
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(G(((p0 U p1)||X(X(X(X(F(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 18:57:05] [INFO ] Invariant cache hit.
[2026-05-23 18:57:05] [INFO ] Implicit Places using invariants in 20 ms returned []
[2026-05-23 18:57:05] [INFO ] Invariant cache hit.
[2026-05-23 18:57:05] [INFO ] Implicit Places using invariants and state equation in 72 ms returned []
Implicit Place search using SMT with State Equation took 95 ms to find 0 implicit places.
Skipped dead transition search.
Finished structural reductions in LTL mode , in 1 iterations and 97 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' '!(G(((p0 U p1)||X(X(X(X(F(p0))))))))'
Stuttering acceptance computed with spot in 481 ms :[(AND (NOT p1) (NOT p0)), (NOT p0), (AND (NOT p0) (NOT p1)), (NOT p0), (NOT p0), (NOT p0), (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1))]
Running random walk in product with property : Diffusion2D-PT-D05N300-LTLFireability-00
Product exploration explored 100000 steps with 5891 reset in 288 ms.
Stack based approach found an accepted trace after 63 steps with 3 reset with depth 12 and stack size 12 in 0 ms.
FORMULA Diffusion2D-PT-D05N300-LTLFireability-00 FALSE TECHNIQUES STACK_TEST
Treatment of property Diffusion2D-PT-D05N300-LTLFireability-00 finished in 972 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(p0)||(!p0&&F(G(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 18:57:06] [INFO ] Invariant cache hit.
[2026-05-23 18:57:06] [INFO ] Implicit Places using invariants in 23 ms returned []
[2026-05-23 18:57:06] [INFO ] Invariant cache hit.
[2026-05-23 18:57:06] [INFO ] Implicit Places using invariants and state equation in 43 ms returned []
Implicit Place search using SMT with State Equation took 68 ms to find 0 implicit places.
Skipped dead transition search.
Finished structural reductions in LTL mode , in 1 iterations and 69 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((X(p0)||(!p0&&F(G(p0)))))))'
Stuttering acceptance computed with spot in 137 ms :[(NOT p0), (NOT p0), (NOT p0)]
Running random walk in product with property : Diffusion2D-PT-D05N300-LTLFireability-01
Product exploration explored 100000 steps with 26784 reset in 147 ms.
Stack based approach found an accepted trace after 385 steps with 103 reset with depth 4 and stack size 4 in 1 ms.
FORMULA Diffusion2D-PT-D05N300-LTLFireability-01 FALSE TECHNIQUES STACK_TEST
Treatment of property Diffusion2D-PT-D05N300-LTLFireability-01 finished in 396 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&&(G((!p1||G(p2))) U X(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 18:57:06] [INFO ] Invariant cache hit.
[2026-05-23 18:57:06] [INFO ] Implicit Places using invariants in 31 ms returned []
[2026-05-23 18:57:06] [INFO ] Invariant cache hit.
[2026-05-23 18:57:06] [INFO ] Implicit Places using invariants and state equation in 54 ms returned []
Implicit Place search using SMT with State Equation took 86 ms to find 0 implicit places.
Skipped dead transition search.
Finished structural reductions in LTL mode , in 1 iterations and 88 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' '!(G(F((p0&&(G((!p1||G(p2))) U X(p3))))))'
Stuttering acceptance computed with spot in 516 ms :[(OR (NOT p0) (NOT p3)), (OR (NOT p0) (NOT p3)), (AND p1 (NOT p2) (NOT p3)), (NOT p3), (NOT p3), (AND (NOT p2) (NOT p3)), (OR (AND (NOT p0) p1 (NOT p2)) (AND p1 (NOT p2) (NOT p3))), (OR (AND (NOT p0) (NOT p2)) (AND (NOT p2) (NOT p3))), (AND p1 (NOT p2) (NOT p3)), (AND (NOT p2) (NOT p3)), (OR (AND (NOT p0) p1 (NOT p2)) (AND p1 (NOT p2) (NOT p3)))]
Running random walk in product with property : Diffusion2D-PT-D05N300-LTLFireability-02
Product exploration explored 100000 steps with 5637 reset in 270 ms.
Stack based approach found an accepted trace after 104 steps with 8 reset with depth 20 and stack size 18 in 0 ms.
FORMULA Diffusion2D-PT-D05N300-LTLFireability-02 FALSE TECHNIQUES STACK_TEST
Treatment of property Diffusion2D-PT-D05N300-LTLFireability-02 finished in 946 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((X(X(X(p0)))||(G(!p1)&&X(F(!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 18:57:07] [INFO ] Invariant cache hit.
[2026-05-23 18:57:07] [INFO ] Implicit Places using invariants in 17 ms returned []
[2026-05-23 18:57:07] [INFO ] Invariant cache hit.
[2026-05-23 18:57:07] [INFO ] Implicit Places using invariants and state equation in 37 ms returned []
Implicit Place search using SMT with State Equation took 56 ms to find 0 implicit places.
Skipped dead transition search.
Finished structural reductions in LTL mode , in 1 iterations and 57 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' '!(G((X(X(X(p0)))||(G(p1)&&X(F(!p0))))))'
Stuttering acceptance computed with spot in 320 ms :[(AND (NOT p1) (NOT p0)), (NOT p0), (AND (NOT p0) (NOT p1)), (NOT p0), (NOT p0), true, (AND (NOT p0) (NOT p1)), (AND (NOT p1) (NOT p0)), (AND (NOT p1) p0)]
Running random walk in product with property : Diffusion2D-PT-D05N300-LTLFireability-03
Entered a terminal (fully accepting) state of product in 27 steps with 5 reset in 1 ms.
FORMULA Diffusion2D-PT-D05N300-LTLFireability-03 FALSE TECHNIQUES STUTTER_TEST
Treatment of property Diffusion2D-PT-D05N300-LTLFireability-03 finished in 417 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 138 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 13 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-16947528523384924113.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-17608455889600486954.kers'
[2026-05-23 18:57:08] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-16947528523384924113.kers, --Pflows, --basisKERS=/tmp/petrispot-output-17608455889600486954.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 18:57:08] [INFO ] Computed 1 invariants in 0 ms
Computed 1 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-17608455889600486954.kers
Total runtime 0 ms.
[2026-05-23 18:57:08] [INFO ] Implicit Places using invariants in 21 ms returned []
[2026-05-23 18:57:08] [INFO ] Invariant cache hit.
[2026-05-23 18:57:08] [INFO ] Implicit Places using invariants and state equation in 18 ms returned []
Implicit Place search using SMT with State Equation took 41 ms to find 0 implicit places.
[2026-05-23 18:57:08] [INFO ] Redundant transitions in 0 ms returned []
Running 1 sub problems to find dead transitions.
[2026-05-23 18:57:08] [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 27 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 65ms problems are : Problem set: 0 solved, 1 unsolved
Search for dead transitions found 0 dead transitions in 66ms
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 125 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 63 ms :[(NOT p0), (NOT p0)]
Running random walk in product with property : Diffusion2D-PT-D05N300-LTLFireability-04
Stuttering criterion allowed to conclude after 0 steps with 0 reset in 0 ms.
FORMULA Diffusion2D-PT-D05N300-LTLFireability-04 FALSE TECHNIQUES STUTTER_TEST
Treatment of property Diffusion2D-PT-D05N300-LTLFireability-04 finished in 233 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))||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 3 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-11127741795743420621.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-1931315749698439575.kers'
[2026-05-23 18:57:08] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-11127741795743420621.kers, --Pflows, --basisKERS=/tmp/petrispot-output-1931315749698439575.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 18:57:08] [INFO ] Computed 1 invariants in 1 ms
Computed 1 P flows in 1 ms.
Exported basis to /tmp/petrispot-output-1931315749698439575.kers
Total runtime 1 ms.
[2026-05-23 18:57:08] [INFO ] Implicit Places using invariants in 26 ms returned []
[2026-05-23 18:57:08] [INFO ] Invariant cache hit.
[2026-05-23 18:57:08] [INFO ] Implicit Places using invariants and state equation in 40 ms returned []
Implicit Place search using SMT with State Equation took 68 ms to find 0 implicit places.
Running 136 sub problems to find dead transitions.
[2026-05-23 18:57:08] [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 2025 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 2064 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 4106ms problems are : Problem set: 0 solved, 136 unsolved
Search for dead transitions found 0 dead transitions in 4108ms
Finished structural reductions in LTL mode , in 1 iterations and 4180 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(p0))||G(p1)))'
Stuttering acceptance computed with spot in 118 ms :[(NOT p0), (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1))]
Running random walk in product with property : Diffusion2D-PT-D05N300-LTLFireability-05
Product exploration explored 100000 steps with 50000 reset in 86 ms.
Product exploration explored 100000 steps with 50000 reset in 89 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 5 factoid took 18 ms. Proved property starting from automaton with 3 states, 5 edges and 2 AP (stutter sensitive
Knowledge-based reduction took 25 ms.
FORMULA Diffusion2D-PT-D05N300-LTLFireability-05 TRUE TECHNIQUES KNOWLEDGE
Treatment of property Diffusion2D-PT-D05N300-LTLFireability-05 finished in 4542 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(G(p0)) U (X(!p1)&&F(p2))))))'
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 1 ms. Remains 25 /25 variables (removed 0) and now considering 144/144 (removed 0) transitions.
[2026-05-23 18:57:12] [INFO ] Invariant cache hit.
[2026-05-23 18:57:12] [INFO ] Implicit Places using invariants in 19 ms returned []
[2026-05-23 18:57:12] [INFO ] Invariant cache hit.
[2026-05-23 18:57:13] [INFO ] Implicit Places using invariants and state equation in 37 ms returned []
Implicit Place search using SMT with State Equation took 57 ms to find 0 implicit places.
Skipped dead transition search.
Finished structural reductions in LTL mode , in 1 iterations and 59 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(G(p0)) U (X(!p1)&&F(p2))))))'
Stuttering acceptance computed with spot in 340 ms :[(OR (NOT p2) p1), (OR (NOT p2) p1), (OR (NOT p2) p1), p1, (NOT p2), (NOT p0)]
Running random walk in product with property : Diffusion2D-PT-D05N300-LTLFireability-06
Product exploration explored 100000 steps with 4 reset in 537 ms.
Stack based approach found an accepted trace after 380 steps with 0 reset with depth 381 and stack size 379 in 2 ms.
FORMULA Diffusion2D-PT-D05N300-LTLFireability-06 FALSE TECHNIQUES STACK_TEST
Treatment of property Diffusion2D-PT-D05N300-LTLFireability-06 finished in 974 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)&&(p1||X(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 18:57:13] [INFO ] Invariant cache hit.
[2026-05-23 18:57:13] [INFO ] Implicit Places using invariants in 17 ms returned []
[2026-05-23 18:57:13] [INFO ] Invariant cache hit.
[2026-05-23 18:57:13] [INFO ] Implicit Places using invariants and state equation in 37 ms returned []
Implicit Place search using SMT with State Equation took 55 ms to find 0 implicit places.
Skipped dead transition search.
Finished structural reductions in LTL mode , in 1 iterations and 56 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((G(p0)&&(p1||X(p2)))))'
Stuttering acceptance computed with spot in 197 ms :[true, (OR (NOT p0) (AND (NOT p1) (NOT p2))), (OR (NOT p2) (NOT p0)), (OR (NOT p0) (AND (NOT p1) (NOT p2))), (NOT p0)]
Running random walk in product with property : Diffusion2D-PT-D05N300-LTLFireability-07
Entered a terminal (fully accepting) state of product in 1 steps with 0 reset in 0 ms.
FORMULA Diffusion2D-PT-D05N300-LTLFireability-07 FALSE TECHNIQUES STUTTER_TEST
Treatment of property Diffusion2D-PT-D05N300-LTLFireability-07 finished in 307 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(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 2 ms. Remains 25 /25 variables (removed 0) and now considering 144/144 (removed 0) transitions.
[2026-05-23 18:57:14] [INFO ] Invariant cache hit.
[2026-05-23 18:57:14] [INFO ] Implicit Places using invariants in 26 ms returned []
[2026-05-23 18:57:14] [INFO ] Invariant cache hit.
[2026-05-23 18:57:14] [INFO ] Implicit Places using invariants and state equation in 44 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 75 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(F(p0)))))'
Stuttering acceptance computed with spot in 172 ms :[(NOT p0), (NOT p0), (NOT p0), (NOT p0)]
Running random walk in product with property : Diffusion2D-PT-D05N300-LTLFireability-08
Product exploration explored 100000 steps with 1372 reset in 300 ms.
Stack based approach found an accepted trace after 149 steps with 4 reset with depth 18 and stack size 18 in 0 ms.
FORMULA Diffusion2D-PT-D05N300-LTLFireability-08 FALSE TECHNIQUES STACK_TEST
Treatment of property Diffusion2D-PT-D05N300-LTLFireability-08 finished in 570 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 114 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 2 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-1225576929055199776.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-783719750241721865.kers'
[2026-05-23 18:57:14] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-1225576929055199776.kers, --Pflows, --basisKERS=/tmp/petrispot-output-783719750241721865.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 18:57:14] [INFO ] Computed 1 invariants in 0 ms
Computed 1 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-783719750241721865.kers
Total runtime 0 ms.
[2026-05-23 18:57:14] [INFO ] Implicit Places using invariants in 16 ms returned []
[2026-05-23 18:57:14] [INFO ] Invariant cache hit.
[2026-05-23 18:57:14] [INFO ] State equation strengthened by 1 read => feed constraints.
[2026-05-23 18:57:14] [INFO ] Implicit Places using invariants and state equation in 19 ms returned []
Implicit Place search using SMT with State Equation took 36 ms to find 0 implicit places.
[2026-05-23 18:57:14] [INFO ] Redundant transitions in 0 ms returned []
Running 5 sub problems to find dead transitions.
[2026-05-23 18:57:14] [INFO ] Invariant cache hit.
[2026-05-23 18:57:14] [INFO ] State equation strengthened by 1 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/2 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 1 (OVERLAPS) 1/3 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/3 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 3 (OVERLAPS) 6/9 variables, 3/4 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/9 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 5 (OVERLAPS) 1/10 variables, 1/5 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/10 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 7 (OVERLAPS) 0/10 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 5 unsolved
No progress, stopping.
After SMT solving in domain Real declared 10/10 variables, and 5 constraints, problems are : Problem set: 0 solved, 5 unsolved in 46 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 3/3 constraints, ReadFeed: 1/1 constraints, PredecessorRefiner: 5/5 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 5 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/2 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 1 (OVERLAPS) 1/3 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/3 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 3 (OVERLAPS) 6/9 variables, 3/4 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/9 variables, 5/9 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/9 variables, 0/9 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 6 (OVERLAPS) 1/10 variables, 1/10 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/10 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 8 (OVERLAPS) 0/10 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 5 unsolved
No progress, stopping.
After SMT solving in domain Int declared 10/10 variables, and 10 constraints, problems are : Problem set: 0 solved, 5 unsolved in 48 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 3/3 constraints, ReadFeed: 1/1 constraints, PredecessorRefiner: 5/5 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 97ms problems are : Problem set: 0 solved, 5 unsolved
Search for dead transitions found 0 dead transitions in 98ms
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 141 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 132 ms :[(OR (NOT p0) (NOT p1)), (NOT p0), (NOT p1)]
Running random walk in product with property : Diffusion2D-PT-D05N300-LTLFireability-09
Stuttering criterion allowed to conclude after 49 steps with 0 reset in 1 ms.
FORMULA Diffusion2D-PT-D05N300-LTLFireability-09 FALSE TECHNIQUES STUTTER_TEST
Treatment of property Diffusion2D-PT-D05N300-LTLFireability-09 finished in 306 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 134 edges and 25 vertex of which 24 / 25 are part of one of the 1 SCC in 1 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-15273001002409276575.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-4667901585556850737.kers'
[2026-05-23 18:57:15] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-15273001002409276575.kers, --Pflows, --basisKERS=/tmp/petrispot-output-4667901585556850737.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 18:57:15] [INFO ] Computed 1 invariants in 0 ms
Computed 1 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-4667901585556850737.kers
Total runtime 0 ms.
[2026-05-23 18:57:15] [INFO ] Implicit Places using invariants in 22 ms returned []
[2026-05-23 18:57:15] [INFO ] Invariant cache hit.
[2026-05-23 18:57:15] [INFO ] Implicit Places using invariants and state equation in 15 ms returned []
Implicit Place search using SMT with State Equation took 41 ms to find 0 implicit places.
[2026-05-23 18:57:15] [INFO ] Redundant transitions in 0 ms returned []
Running 1 sub problems to find dead transitions.
[2026-05-23 18:57:15] [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 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]
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 56ms problems are : Problem set: 0 solved, 1 unsolved
Search for dead transitions found 0 dead transitions in 56ms
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 104 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 46 ms :[(NOT p0)]
Running random walk in product with property : Diffusion2D-PT-D05N300-LTLFireability-10
Stuttering criterion allowed to conclude after 0 steps with 0 reset in 0 ms.
FORMULA Diffusion2D-PT-D05N300-LTLFireability-10 FALSE TECHNIQUES STUTTER_TEST
Treatment of property Diffusion2D-PT-D05N300-LTLFireability-10 finished in 172 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 (F(p1)||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 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-16803049190406077808.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-15636442143606603822.kers'
[2026-05-23 18:57:15] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-16803049190406077808.kers, --Pflows, --basisKERS=/tmp/petrispot-output-15636442143606603822.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 18:57:15] [INFO ] Computed 1 invariants in 0 ms
Computed 1 P flows in 1 ms.
Exported basis to /tmp/petrispot-output-15636442143606603822.kers
Total runtime 1 ms.
[2026-05-23 18:57:15] [INFO ] Implicit Places using invariants in 28 ms returned []
[2026-05-23 18:57:15] [INFO ] Invariant cache hit.
[2026-05-23 18:57:15] [INFO ] Implicit Places using invariants and state equation in 39 ms returned []
Implicit Place search using SMT with State Equation took 69 ms to find 0 implicit places.
Running 136 sub problems to find dead transitions.
[2026-05-23 18:57:15] [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 1979 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 2045 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 4036ms problems are : Problem set: 0 solved, 136 unsolved
Search for dead transitions found 0 dead transitions in 4037ms
Finished structural reductions in LTL mode , in 1 iterations and 4108 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 (F(p1)||X(X(G(p0))))))'
Stuttering acceptance computed with spot in 166 ms :[(NOT p1), (AND (NOT p1) (NOT p0)), (AND (NOT p1) (NOT p0)), (AND (NOT p1) (NOT p0))]
Running random walk in product with property : Diffusion2D-PT-D05N300-LTLFireability-13
Product exploration explored 100000 steps with 2375 reset in 262 ms.
Stack based approach found an accepted trace after 17 steps with 1 reset with depth 15 and stack size 15 in 1 ms.
FORMULA Diffusion2D-PT-D05N300-LTLFireability-13 FALSE TECHNIQUES STACK_TEST
Treatment of property Diffusion2D-PT-D05N300-LTLFireability-13 finished in 4562 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)&&X((F(p1)&&X(!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 18:57:19] [INFO ] Invariant cache hit.
[2026-05-23 18:57:19] [INFO ] Implicit Places using invariants in 17 ms returned []
[2026-05-23 18:57:19] [INFO ] Invariant cache hit.
[2026-05-23 18:57:19] [INFO ] Implicit Places using invariants and state equation in 41 ms returned []
Implicit Place search using SMT with State Equation took 59 ms to find 0 implicit places.
Skipped dead transition search.
Finished structural reductions in LTL mode , in 1 iterations and 61 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)&&X((F(p1)&&X(!p0)))))'
Stuttering acceptance computed with spot in 169 ms :[true, (NOT p0), (OR (NOT p1) p0), p0, (NOT p1), true]
Running random walk in product with property : Diffusion2D-PT-D05N300-LTLFireability-15
Entered a terminal (fully accepting) state of product in 2 steps with 0 reset in 0 ms.
FORMULA Diffusion2D-PT-D05N300-LTLFireability-15 FALSE TECHNIQUES STUTTER_TEST
Treatment of property Diffusion2D-PT-D05N300-LTLFireability-15 finished in 263 ms.
All properties solved by simple procedures.
Total runtime 20985 ms.

BK_STOP 1779562640134

--------------------
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//
++ ls /home/mcc/BenchKit/bin//../itstools/bin//..//itstools/plugins/fr.lip6.move.gal.application.pnmcc_1.0.0.202604301425.jar
++ perl -pe 's/.*\.//g'
+ 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-D05N300"
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-D05N300, 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-177955695300052"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/Diffusion2D-PT-D05N300.tgz
mv Diffusion2D-PT-D05N300 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 ;