About the Execution of ITS-Tools for Diffusion2D-PT-D30N150
| Execution Summary | |||||
| Max Memory Used (MB) |
Time wait (ms) | CPU Usage (ms) | I/O Wait (ms) | Computed Result | Execution Status |
| 3541.903 | 170879.00 | 224922.00 | 343.50 | FFFFFTFFTFFTFFFF | 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-177955695400164.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-D30N150, examination is LTLFireability
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r098-tall-177955695400164
=====================================================================
--------------------
preparation of the directory to be used:
/home/mcc/execution
total 3.4M
-rw-r--r-- 1 mcc users 8.4K Mar 6 16:08 CTLCardinality.txt
-rw-r--r-- 1 mcc users 81K Mar 6 16:08 CTLCardinality.xml
-rw-r--r-- 1 mcc users 5.7K Mar 6 16:08 CTLFireability.txt
-rw-r--r-- 1 mcc users 41K Mar 6 16:08 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 4.3K Mar 15 09:07 LTLCardinality.txt
-rw-r--r-- 1 mcc users 27K Mar 15 09:07 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.9K Mar 15 09:07 LTLFireability.txt
-rw-r--r-- 1 mcc users 19K Mar 15 09:07 LTLFireability.xml
-rw-r--r-- 1 mcc users 9.7K Mar 6 16:09 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 81K Mar 6 16:09 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 11K Mar 6 16:08 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 72K Mar 6 16:08 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.8K Mar 15 09:07 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.9K Mar 15 09:07 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 Mar 3 18:30 equiv_col
-rw-r--r-- 1 mcc users 8 Mar 3 18:30 instance
-rw-r--r-- 1 mcc users 6 Mar 3 18:30 iscolored
-rw-r--r-- 1 mcc users 3.0M Mar 3 18:30 model.pnml
--------------------
content from stdout:
=== Data for post analysis generated by BenchKit (invocation template)
The expected result is a vector of booleans
BOOL_VECTOR
echo here is the order used to build the result vector(from xml file)
FORMULA_NAME Diffusion2D-PT-D30N150-LTLFireability-00
FORMULA_NAME Diffusion2D-PT-D30N150-LTLFireability-01
FORMULA_NAME Diffusion2D-PT-D30N150-LTLFireability-02
FORMULA_NAME Diffusion2D-PT-D30N150-LTLFireability-03
FORMULA_NAME Diffusion2D-PT-D30N150-LTLFireability-04
FORMULA_NAME Diffusion2D-PT-D30N150-LTLFireability-05
FORMULA_NAME Diffusion2D-PT-D30N150-LTLFireability-06
FORMULA_NAME Diffusion2D-PT-D30N150-LTLFireability-07
FORMULA_NAME Diffusion2D-PT-D30N150-LTLFireability-08
FORMULA_NAME Diffusion2D-PT-D30N150-LTLFireability-09
FORMULA_NAME Diffusion2D-PT-D30N150-LTLFireability-10
FORMULA_NAME Diffusion2D-PT-D30N150-LTLFireability-11
FORMULA_NAME Diffusion2D-PT-D30N150-LTLFireability-12
FORMULA_NAME Diffusion2D-PT-D30N150-LTLFireability-13
FORMULA_NAME Diffusion2D-PT-D30N150-LTLFireability-14
FORMULA_NAME Diffusion2D-PT-D30N150-LTLFireability-15
=== Now, execution of the tool begins
BK_START 1779579661169
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-D30N150
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
LTLFireability PT
Running Version 202604301425
[2026-05-23 23:41:02] [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 23:41:02] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-05-23 23:41:02] [INFO ] Load time of PNML (sax parser for PT used): 247 ms
[2026-05-23 23:41:02] [INFO ] Transformed 900 places.
[2026-05-23 23:41:02] [INFO ] Transformed 6844 transitions.
[2026-05-23 23:41:02] [INFO ] Parsed PT model containing 900 places and 6844 transitions and 13688 arcs in 362 ms.
Parsed 16 properties from file /home/mcc/execution/LTLFireability.xml in 11 ms.
Working with output stream class java.io.PrintStream
Initial state reduction rules removed 4 formulas.
FORMULA Diffusion2D-PT-D30N150-LTLFireability-06 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA Diffusion2D-PT-D30N150-LTLFireability-09 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA Diffusion2D-PT-D30N150-LTLFireability-11 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA Diffusion2D-PT-D30N150-LTLFireability-12 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Support contains 31 out of 900 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 900/900 places, 6844/6844 transitions.
Applied a total of 0 rules in 202 ms. Remains 900 /900 variables (removed 0) and now considering 6844/6844 (removed 0) transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-3641159958114819503.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-8567919658378468906.kers'
[2026-05-23 23:41:03] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-3641159958114819503.kers, --Pflows, --basisKERS=/tmp/petrispot-output-8567919658378468906.kers]
Culled 0 columns in 1 ms.
// Phase 1: matrix 6844 rows 900 cols 13688 entries
Finished phase 1 with 899 SingleSign rule and 0 generalized
[2026-05-23 23:41:03] [INFO ] Computed 1 invariants in 22 ms
Computed 1 P flows in 22 ms.
Exported basis to /tmp/petrispot-output-8567919658378468906.kers
Total runtime 27 ms.
[2026-05-23 23:41:03] [INFO ] Implicit Places using invariants in 371 ms returned []
[2026-05-23 23:41:03] [INFO ] Invariant cache hit.
[2026-05-23 23:41:04] [INFO ] Implicit Places using invariants and state equation in 1204 ms returned []
Implicit Place search using SMT with State Equation took 1611 ms to find 0 implicit places.
Running 6836 sub problems to find dead transitions.
[2026-05-23 23:41:04] [INFO ] Invariant cache hit.
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 899/7744 variables, and 0 constraints, problems are : Problem set: 0 solved, 6836 unsolved in 30128 ms.
Refiners :[Positive P Invariants (semi-flows): 0/1 constraints, State Equation: 0/900 constraints, PredecessorRefiner: 6836/6836 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 6836 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 899/7744 variables, and 0 constraints, problems are : Problem set: 0 solved, 6836 unsolved in 30090 ms.
Refiners :[Positive P Invariants (semi-flows): 0/1 constraints, State Equation: 0/900 constraints, PredecessorRefiner: 0/6836 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 64853ms problems are : Problem set: 0 solved, 6836 unsolved
Search for dead transitions found 0 dead transitions in 64893ms
Finished structural reductions in LTL mode , in 1 iterations and 66775 ms. Remains : 900/900 places, 6844/6844 transitions.
Starting structural reductions in LTL mode, iteration 0 : 900/900 places, 6844/6844 transitions.
Applied a total of 0 rules in 167 ms. Remains 900 /900 variables (removed 0) and now considering 6844/6844 (removed 0) transitions.
[2026-05-23 23:42:09] [INFO ] Invariant cache hit.
[2026-05-23 23:42:09] [INFO ] Implicit Places using invariants in 116 ms returned []
[2026-05-23 23:42:09] [INFO ] Invariant cache hit.
[2026-05-23 23:42:11] [INFO ] Implicit Places using invariants and state equation in 1064 ms returned []
Implicit Place search using SMT with State Equation took 1183 ms to find 0 implicit places.
Skipped dead transition search.
Finished structural reductions in LTL mode , in 1 iterations and 1359 ms. Remains : 900/900 places, 6844/6844 transitions.
Support contains 31 out of 900 places after structural reductions.
[2026-05-23 23:42:11] [INFO ] Flatten gal took : 259 ms
[2026-05-23 23:42:11] [INFO ] Flatten gal took : 141 ms
[2026-05-23 23:42:11] [INFO ] Input system was already deterministic with 6844 transitions.
RANDOM walk for 40482 steps (8 resets) in 158 ms. (254 steps per ms) remains 29/31 properties
BEST_FIRST walk for 4004 steps (8 resets) in 23 ms. (166 steps per ms) remains 29/29 properties
BEST_FIRST walk for 4004 steps (8 resets) in 14 ms. (266 steps per ms) remains 29/29 properties
BEST_FIRST walk for 4003 steps (8 resets) in 11 ms. (333 steps per ms) remains 29/29 properties
BEST_FIRST walk for 4003 steps (8 resets) in 14 ms. (266 steps per ms) remains 29/29 properties
BEST_FIRST walk for 4004 steps (8 resets) in 18 ms. (210 steps per ms) remains 29/29 properties
BEST_FIRST walk for 4004 steps (8 resets) in 15 ms. (250 steps per ms) remains 29/29 properties
BEST_FIRST walk for 4004 steps (8 resets) in 10 ms. (364 steps per ms) remains 29/29 properties
BEST_FIRST walk for 4004 steps (8 resets) in 16 ms. (235 steps per ms) remains 29/29 properties
BEST_FIRST walk for 4004 steps (8 resets) in 17 ms. (222 steps per ms) remains 28/29 properties
BEST_FIRST walk for 4004 steps (8 resets) in 20 ms. (190 steps per ms) remains 28/28 properties
BEST_FIRST walk for 4004 steps (8 resets) in 22 ms. (174 steps per ms) remains 28/28 properties
BEST_FIRST walk for 4004 steps (8 resets) in 18 ms. (210 steps per ms) remains 28/28 properties
BEST_FIRST walk for 4002 steps (8 resets) in 18 ms. (210 steps per ms) remains 28/28 properties
BEST_FIRST walk for 4004 steps (8 resets) in 10 ms. (364 steps per ms) remains 28/28 properties
BEST_FIRST walk for 4004 steps (8 resets) in 17 ms. (222 steps per ms) remains 28/28 properties
BEST_FIRST walk for 4004 steps (8 resets) in 18 ms. (210 steps per ms) remains 28/28 properties
BEST_FIRST walk for 4004 steps (8 resets) in 17 ms. (222 steps per ms) remains 28/28 properties
BEST_FIRST walk for 4003 steps (8 resets) in 15 ms. (250 steps per ms) remains 28/28 properties
BEST_FIRST walk for 4003 steps (8 resets) in 18 ms. (210 steps per ms) remains 28/28 properties
BEST_FIRST walk for 4004 steps (8 resets) in 18 ms. (210 steps per ms) remains 28/28 properties
BEST_FIRST walk for 4004 steps (8 resets) in 16 ms. (235 steps per ms) remains 28/28 properties
BEST_FIRST walk for 4004 steps (8 resets) in 16 ms. (235 steps per ms) remains 28/28 properties
BEST_FIRST walk for 4004 steps (8 resets) in 18 ms. (210 steps per ms) remains 28/28 properties
BEST_FIRST walk for 4003 steps (8 resets) in 12 ms. (307 steps per ms) remains 28/28 properties
BEST_FIRST walk for 4004 steps (8 resets) in 10 ms. (364 steps per ms) remains 28/28 properties
BEST_FIRST walk for 4004 steps (8 resets) in 9 ms. (400 steps per ms) remains 28/28 properties
BEST_FIRST walk for 4004 steps (8 resets) in 9 ms. (400 steps per ms) remains 28/28 properties
BEST_FIRST walk for 4004 steps (8 resets) in 11 ms. (333 steps per ms) remains 28/28 properties
[2026-05-23 23:42:12] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/28 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 28 unsolved
At refinement iteration 1 (OVERLAPS) 872/900 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 28 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/900 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 28 unsolved
At refinement iteration 3 (OVERLAPS) 6844/7744 variables, 900/901 constraints. Problems are: Problem set: 0 solved, 28 unsolved
Error getting values : (error "Timeout of Z3 solver reached")
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 7744/7744 variables, and 901 constraints, problems are : Problem set: 0 solved, 28 unsolved in 5015 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 900/900 constraints, PredecessorRefiner: 28/28 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 28 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/28 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 28 unsolved
At refinement iteration 1 (OVERLAPS) 872/900 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 28 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/900 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 28 unsolved
At refinement iteration 3 (OVERLAPS) 6844/7744 variables, 900/901 constraints. Problems are: Problem set: 0 solved, 28 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/7744 variables, 28/929 constraints. Problems are: Problem set: 0 solved, 28 unsolved
Error getting values : (error "Timeout of Z3 solver reached")
Error getting values : (error "Error writing to Z3 solver: java.io.IOException: Stream closed")
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 7744/7744 variables, and 929 constraints, problems are : Problem set: 0 solved, 28 unsolved in 5015 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 900/900 constraints, PredecessorRefiner: 28/28 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 10084ms problems are : Problem set: 0 solved, 28 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 28 out of 900 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 900/900 places, 6844/6844 transitions.
Graph (trivial) has 6412 edges and 900 vertex of which 872 / 900 are part of one of the 1 SCC in 20 ms
Free SCC test removed 871 places
Drop transitions (Empty/Sink Transition effects.) removed 6412 transitions
Ensure Unique test removed 360 transitions
Reduce isomorphic transitions removed 6772 transitions.
Drop transitions (Redundant composition of simpler transitions.) removed 22 transitions
Redundant transition composition rules discarded 22 transitions
Iterating global reduction 0 with 22 rules applied. Total rules applied 23 place count 29 transition count 50
Applied a total of 23 rules in 43 ms. Remains 29 /900 variables (removed 871) and now considering 50/6844 (removed 6794) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 43 ms. Remains : 29/900 places, 50/6844 transitions.
RANDOM walk for 40472 steps (8 resets) in 35 ms. (1124 steps per ms) remains 2/28 properties
BEST_FIRST walk for 6168 steps (1 resets) in 22 ms. (268 steps per ms) remains 0/2 properties
Computed a total of 0 stabilizing places and 0 stable transitions
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!((G((p0 U X((p1&&X((F(p2)||G(p1))))))) U X(X(G(p3)))))'
Support contains 4 out of 900 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 900/900 places, 6844/6844 transitions.
Applied a total of 0 rules in 114 ms. Remains 900 /900 variables (removed 0) and now considering 6844/6844 (removed 0) transitions.
[2026-05-23 23:42:22] [INFO ] Invariant cache hit.
[2026-05-23 23:42:23] [INFO ] Implicit Places using invariants in 98 ms returned []
[2026-05-23 23:42:23] [INFO ] Invariant cache hit.
[2026-05-23 23:42:24] [INFO ] Implicit Places using invariants and state equation in 1023 ms returned []
Implicit Place search using SMT with State Equation took 1124 ms to find 0 implicit places.
Skipped dead transition search.
Finished structural reductions in LTL mode , in 1 iterations and 1240 ms. Remains : 900/900 places, 6844/6844 transitions.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!((G((p0 U X((p1&&X((F(p2)||G(p1))))))) U X(X(G(p3)))))'
Stuttering acceptance computed with spot in 854 ms :[(AND (NOT p1) (NOT p3)), (AND (NOT p1) (NOT p3)), (NOT p3), (AND (NOT p2) (NOT p3) (NOT p1)), true, (AND (NOT p1) (NOT p3)), (AND (NOT p1) (NOT p3)), (NOT p3), (NOT p2), (AND (NOT p2) (NOT p1)), (AND (NOT p2) (NOT p3)), (NOT p1), (AND (NOT p1) p3), (NOT p1), (AND (NOT p1) (NOT p2)), (AND (NOT p1) (NOT p2))]
Running random walk in product with property : Diffusion2D-PT-D30N150-LTLFireability-00
Product exploration explored 100000 steps with 24240 reset in 640 ms.
Stack based approach found an accepted trace after 1 steps with 0 reset with depth 2 and stack size 2 in 1 ms.
FORMULA Diffusion2D-PT-D30N150-LTLFireability-00 FALSE TECHNIQUES STACK_TEST
Treatment of property Diffusion2D-PT-D30N150-LTLFireability-00 finished in 2898 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 900 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 900/900 places, 6844/6844 transitions.
Graph (trivial) has 6828 edges and 900 vertex of which 899 / 900 are part of one of the 1 SCC in 7 ms
Free SCC test removed 898 places
Ensure Unique test removed 6841 transitions
Reduce isomorphic transitions removed 6841 transitions.
Applied a total of 1 rules in 18 ms. Remains 2 /900 variables (removed 898) and now considering 3/6844 (removed 6841) transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-2358654307943644203.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-16068448515398402356.kers'
[2026-05-23 23:42:25] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-2358654307943644203.kers, --Pflows, --basisKERS=/tmp/petrispot-output-16068448515398402356.kers]
Normalized transition count is 2 out of 3 initially.
Culling duplicate invariants (modulo rational): removing 1 columns.
Culled 1 columns in 0 ms.
// Phase 1: matrix 2 rows 1 cols 2 entries
Finished phase 1 with 1 SingleSign rule and 0 generalized
[2026-05-23 23:42:25] [INFO ] Computed 1 invariants in 0 ms
Computed 1 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-16068448515398402356.kers
Total runtime 0 ms.
[2026-05-23 23:42:25] [INFO ] Implicit Places using invariants in 18 ms returned []
[2026-05-23 23:42:25] [INFO ] Invariant cache hit.
[2026-05-23 23:42:25] [INFO ] Implicit Places using invariants and state equation in 14 ms returned []
Implicit Place search using SMT with State Equation took 34 ms to find 0 implicit places.
[2026-05-23 23:42:25] [INFO ] Redundant transitions in 0 ms returned []
Running 1 sub problems to find dead transitions.
[2026-05-23 23:42:25] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 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 25 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 2/2 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 47ms problems are : Problem set: 0 solved, 1 unsolved
Search for dead transitions found 0 dead transitions in 47ms
Starting structural reductions in SI_LTL mode, iteration 1 : 2/900 places, 3/6844 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 109 ms. Remains : 2/900 places, 3/6844 transitions.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(G(F(p0)))'
Stuttering acceptance computed with spot in 71 ms :[(NOT p0), (NOT p0)]
Running random walk in product with property : Diffusion2D-PT-D30N150-LTLFireability-01
Stuttering criterion allowed to conclude after 3 steps with 0 reset in 0 ms.
FORMULA Diffusion2D-PT-D30N150-LTLFireability-01 FALSE TECHNIQUES STUTTER_TEST
Treatment of property Diffusion2D-PT-D30N150-LTLFireability-01 finished in 214 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||G(p1)))&&X(F(!p0))))'
Support contains 2 out of 900 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 900/900 places, 6844/6844 transitions.
Applied a total of 0 rules in 60 ms. Remains 900 /900 variables (removed 0) and now considering 6844/6844 (removed 0) transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-9219756787590487113.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-17882103152256429414.kers'
[2026-05-23 23:42:25] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-9219756787590487113.kers, --Pflows, --basisKERS=/tmp/petrispot-output-17882103152256429414.kers]
Culled 0 columns in 2 ms.
// Phase 1: matrix 6844 rows 900 cols 13688 entries
Finished phase 1 with 899 SingleSign rule and 0 generalized
[2026-05-23 23:42:26] [INFO ] Computed 1 invariants in 29 ms
Computed 1 P flows in 29 ms.
Exported basis to /tmp/petrispot-output-17882103152256429414.kers
Total runtime 33 ms.
[2026-05-23 23:42:26] [INFO ] Implicit Places using invariants in 156 ms returned []
[2026-05-23 23:42:26] [INFO ] Invariant cache hit.
[2026-05-23 23:42:27] [INFO ] Implicit Places using invariants and state equation in 1115 ms returned []
Implicit Place search using SMT with State Equation took 1275 ms to find 0 implicit places.
Running 6836 sub problems to find dead transitions.
[2026-05-23 23:42:27] [INFO ] Invariant cache hit.
Error getting values : (error "Timeout of Z3 solver reached")
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 899/7744 variables, and 0 constraints, problems are : Problem set: 0 solved, 6836 unsolved in 30088 ms.
Refiners :[Positive P Invariants (semi-flows): 0/1 constraints, State Equation: 0/900 constraints, PredecessorRefiner: 6836/6836 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 6836 unsolved
Error getting values : (error "Timeout of Z3 solver reached")
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 899/7744 variables, and 0 constraints, problems are : Problem set: 0 solved, 6836 unsolved in 30106 ms.
Refiners :[Positive P Invariants (semi-flows): 0/1 constraints, State Equation: 0/900 constraints, PredecessorRefiner: 0/6836 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 64401ms problems are : Problem set: 0 solved, 6836 unsolved
Search for dead transitions found 0 dead transitions in 64414ms
Finished structural reductions in LTL mode , in 1 iterations and 65768 ms. Remains : 900/900 places, 6844/6844 transitions.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!((F((p0||G(p1)))&&X(F(!p0))))'
Stuttering acceptance computed with spot in 95 ms :[(OR (NOT p1) p0), (AND (NOT p0) (NOT p1)), p0]
Running random walk in product with property : Diffusion2D-PT-D30N150-LTLFireability-02
Product exploration explored 100000 steps with 24 reset in 1919 ms.
Stack based approach found an accepted trace after 11 steps with 0 reset with depth 12 and stack size 12 in 0 ms.
FORMULA Diffusion2D-PT-D30N150-LTLFireability-02 FALSE TECHNIQUES STACK_TEST
Treatment of property Diffusion2D-PT-D30N150-LTLFireability-02 finished in 67829 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)||G(p2)))'
Support contains 3 out of 900 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 900/900 places, 6844/6844 transitions.
Applied a total of 0 rules in 52 ms. Remains 900 /900 variables (removed 0) and now considering 6844/6844 (removed 0) transitions.
[2026-05-23 23:43:33] [INFO ] Invariant cache hit.
[2026-05-23 23:43:33] [INFO ] Implicit Places using invariants in 108 ms returned []
[2026-05-23 23:43:33] [INFO ] Invariant cache hit.
[2026-05-23 23:43:34] [INFO ] Implicit Places using invariants and state equation in 1052 ms returned []
Implicit Place search using SMT with State Equation took 1163 ms to find 0 implicit places.
Skipped dead transition search.
Finished structural reductions in LTL mode , in 1 iterations and 1217 ms. Remains : 900/900 places, 6844/6844 transitions.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!((X(F(p0))||G(p1)||G(p2)))'
Stuttering acceptance computed with spot in 172 ms :[(NOT p0), (AND (NOT p0) (NOT p1) (NOT p2)), (AND (NOT p0) (NOT p2)), (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p2) (NOT p1))]
Running random walk in product with property : Diffusion2D-PT-D30N150-LTLFireability-03
Product exploration explored 100000 steps with 22 reset in 1969 ms.
Stack based approach found an accepted trace after 164 steps with 0 reset with depth 165 and stack size 165 in 1 ms.
FORMULA Diffusion2D-PT-D30N150-LTLFireability-03 FALSE TECHNIQUES STACK_TEST
Treatment of property Diffusion2D-PT-D30N150-LTLFireability-03 finished in 3410 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((p0||X(((G((p1 U p2))||G(p1)) U (p0&&(G((p1 U p2))||G(p1)))))))))'
Support contains 3 out of 900 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 900/900 places, 6844/6844 transitions.
Applied a total of 0 rules in 51 ms. Remains 900 /900 variables (removed 0) and now considering 6844/6844 (removed 0) transitions.
[2026-05-23 23:43:37] [INFO ] Invariant cache hit.
[2026-05-23 23:43:37] [INFO ] Implicit Places using invariants in 84 ms returned []
[2026-05-23 23:43:37] [INFO ] Invariant cache hit.
[2026-05-23 23:43:38] [INFO ] Implicit Places using invariants and state equation in 1016 ms returned []
Implicit Place search using SMT with State Equation took 1103 ms to find 0 implicit places.
Skipped dead transition search.
Finished structural reductions in LTL mode , in 1 iterations and 1155 ms. Remains : 900/900 places, 6844/6844 transitions.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(X((p0||X(((G((p1 U p2))||G(p1)) U (p0&&(G((p1 U p2))||G(p1)))))))))'
Stuttering acceptance computed with spot in 253 ms :[(NOT p0), (NOT p0), (NOT p0), (OR (NOT p0) (AND (NOT p1) (NOT p2))), true, (NOT p2), (AND (NOT p2) (NOT p1)), (NOT p2)]
Running random walk in product with property : Diffusion2D-PT-D30N150-LTLFireability-04
Entered a terminal (fully accepting) state of product in 3 steps with 0 reset in 0 ms.
FORMULA Diffusion2D-PT-D30N150-LTLFireability-04 FALSE TECHNIQUES STUTTER_TEST
Treatment of property Diffusion2D-PT-D30N150-LTLFireability-04 finished in 1462 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||X(X(p1))))||((p0||X(X(p1)))&&F(p2))))))'
Support contains 3 out of 900 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 900/900 places, 6844/6844 transitions.
Applied a total of 0 rules in 49 ms. Remains 900 /900 variables (removed 0) and now considering 6844/6844 (removed 0) transitions.
[2026-05-23 23:43:38] [INFO ] Invariant cache hit.
[2026-05-23 23:43:38] [INFO ] Implicit Places using invariants in 102 ms returned []
[2026-05-23 23:43:38] [INFO ] Invariant cache hit.
[2026-05-23 23:43:39] [INFO ] Implicit Places using invariants and state equation in 1111 ms returned []
Implicit Place search using SMT with State Equation took 1215 ms to find 0 implicit places.
Skipped dead transition search.
Finished structural reductions in LTL mode , in 1 iterations and 1265 ms. Remains : 900/900 places, 6844/6844 transitions.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(X((G((p0||X(X(p1))))||(F(p2)&&(p0||X(X(p1))))))))'
Stuttering acceptance computed with spot in 357 ms :[(AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1)), (NOT p1), (AND (NOT p2) (NOT p0) (NOT p1)), (NOT p1), true, (AND (NOT p2) (NOT p1)), (AND (NOT p2) (NOT p1)), (NOT p2)]
Running random walk in product with property : Diffusion2D-PT-D30N150-LTLFireability-05
Product exploration explored 100000 steps with 33333 reset in 417 ms.
Product exploration explored 100000 steps with 33333 reset in 434 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 3 factoid took 12 ms. Proved property starting from automaton with 10 states, 12 edges and 3 AP (stutter sensitive
Knowledge-based reduction took 43 ms.
FORMULA Diffusion2D-PT-D30N150-LTLFireability-05 TRUE TECHNIQUES KNOWLEDGE
Treatment of property Diffusion2D-PT-D30N150-LTLFireability-05 finished in 2570 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(p0)&&G(p1))))'
Support contains 2 out of 900 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 900/900 places, 6844/6844 transitions.
Applied a total of 0 rules in 46 ms. Remains 900 /900 variables (removed 0) and now considering 6844/6844 (removed 0) transitions.
[2026-05-23 23:43:41] [INFO ] Invariant cache hit.
[2026-05-23 23:43:41] [INFO ] Implicit Places using invariants in 83 ms returned []
[2026-05-23 23:43:41] [INFO ] Invariant cache hit.
[2026-05-23 23:43:42] [INFO ] Implicit Places using invariants and state equation in 1008 ms returned []
Implicit Place search using SMT with State Equation took 1096 ms to find 0 implicit places.
Skipped dead transition search.
Finished structural reductions in LTL mode , in 1 iterations and 1143 ms. Remains : 900/900 places, 6844/6844 transitions.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X((X(p0)&&G(p1))))'
Stuttering acceptance computed with spot in 193 ms :[true, (OR (NOT p0) (NOT p1)), (OR (NOT p0) (NOT p1)), (OR (NOT p1) (NOT p0)), (NOT p1)]
Running random walk in product with property : Diffusion2D-PT-D30N150-LTLFireability-07
Entered a terminal (fully accepting) state of product in 2 steps with 0 reset in 1 ms.
FORMULA Diffusion2D-PT-D30N150-LTLFireability-07 FALSE TECHNIQUES STUTTER_TEST
Treatment of property Diffusion2D-PT-D30N150-LTLFireability-07 finished in 1374 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(p0)) U ((p1&&X(X(p0))&&(p0||(p2 U (G(p2)||(p2&&G(p3))))))||X(X(G(p0))))))'
Support contains 4 out of 900 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 900/900 places, 6844/6844 transitions.
Applied a total of 0 rules in 50 ms. Remains 900 /900 variables (removed 0) and now considering 6844/6844 (removed 0) transitions.
[2026-05-23 23:43:42] [INFO ] Invariant cache hit.
[2026-05-23 23:43:42] [INFO ] Implicit Places using invariants in 91 ms returned []
[2026-05-23 23:43:42] [INFO ] Invariant cache hit.
[2026-05-23 23:43:43] [INFO ] Implicit Places using invariants and state equation in 1002 ms returned []
Implicit Place search using SMT with State Equation took 1097 ms to find 0 implicit places.
Skipped dead transition search.
Finished structural reductions in LTL mode , in 1 iterations and 1149 ms. Remains : 900/900 places, 6844/6844 transitions.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!((X(X(p0)) U (X(X(G(p0)))||(p1&&X(X(p0))&&(p0||(p2 U (G(p2)||(p2&&G(p3)))))))))'
Stuttering acceptance computed with spot in 532 ms :[(NOT p0), (NOT p0), (NOT p0), (AND (NOT p0) (NOT p2)), (AND (NOT p0) (NOT p2) (NOT p3)), (AND (NOT p0) (NOT p2)), (AND (NOT p0) (NOT p2) (NOT p3)), (AND (NOT p0) (NOT p3)), (AND (NOT p0) (NOT p3)), true, (AND (NOT p0) (NOT p2)), (AND (NOT p3) (NOT p2) (NOT p0)), (AND (NOT p3) (NOT p0)), (NOT p2), (AND (NOT p2) (NOT p3)), (NOT p3)]
Running random walk in product with property : Diffusion2D-PT-D30N150-LTLFireability-08
Product exploration explored 100000 steps with 33333 reset in 431 ms.
Product exploration explored 100000 steps with 33333 reset in 441 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 49 factoid took 17 ms. Proved property starting from automaton with 16 states, 64 edges and 4 AP (stutter sensitive
Knowledge-based reduction took 30 ms.
FORMULA Diffusion2D-PT-D30N150-LTLFireability-08 TRUE TECHNIQUES KNOWLEDGE
Treatment of property Diffusion2D-PT-D30N150-LTLFireability-08 finished in 2658 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X((F(p0) U (F((F(p3)&&p2))&&p1))))'
Support contains 4 out of 900 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 900/900 places, 6844/6844 transitions.
Applied a total of 0 rules in 46 ms. Remains 900 /900 variables (removed 0) and now considering 6844/6844 (removed 0) transitions.
[2026-05-23 23:43:45] [INFO ] Invariant cache hit.
[2026-05-23 23:43:45] [INFO ] Implicit Places using invariants in 98 ms returned []
[2026-05-23 23:43:45] [INFO ] Invariant cache hit.
[2026-05-23 23:43:46] [INFO ] Implicit Places using invariants and state equation in 1019 ms returned []
Implicit Place search using SMT with State Equation took 1119 ms to find 0 implicit places.
Skipped dead transition search.
Finished structural reductions in LTL mode , in 1 iterations and 1166 ms. Remains : 900/900 places, 6844/6844 transitions.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X((F(p0) U (F((F(p3)&&p2))&&p1))))'
Stuttering acceptance computed with spot in 208 ms :[(OR (NOT p2) (NOT p1) (NOT p3)), (OR (NOT p1) (NOT p2) (NOT p3)), (NOT p0), (OR (NOT p2) (NOT p3)), (NOT p3)]
Running random walk in product with property : Diffusion2D-PT-D30N150-LTLFireability-10
Product exploration explored 100000 steps with 44 reset in 1548 ms.
Stack based approach found an accepted trace after 71 steps with 0 reset with depth 72 and stack size 72 in 0 ms.
FORMULA Diffusion2D-PT-D30N150-LTLFireability-10 FALSE TECHNIQUES STACK_TEST
Treatment of property Diffusion2D-PT-D30N150-LTLFireability-10 finished in 2964 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||X(p1))))))'
Support contains 2 out of 900 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 900/900 places, 6844/6844 transitions.
Applied a total of 0 rules in 50 ms. Remains 900 /900 variables (removed 0) and now considering 6844/6844 (removed 0) transitions.
[2026-05-23 23:43:48] [INFO ] Invariant cache hit.
[2026-05-23 23:43:48] [INFO ] Implicit Places using invariants in 100 ms returned []
[2026-05-23 23:43:48] [INFO ] Invariant cache hit.
[2026-05-23 23:43:49] [INFO ] Implicit Places using invariants and state equation in 1003 ms returned []
Implicit Place search using SMT with State Equation took 1104 ms to find 0 implicit places.
Skipped dead transition search.
Finished structural reductions in LTL mode , in 1 iterations and 1154 ms. Remains : 900/900 places, 6844/6844 transitions.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(X(F((p0||X(p1))))))'
Stuttering acceptance computed with spot in 162 ms :[(AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1))]
Running random walk in product with property : Diffusion2D-PT-D30N150-LTLFireability-13
Product exploration explored 100000 steps with 251 reset in 846 ms.
Stack based approach found an accepted trace after 27 steps with 0 reset with depth 28 and stack size 28 in 0 ms.
FORMULA Diffusion2D-PT-D30N150-LTLFireability-13 FALSE TECHNIQUES STACK_TEST
Treatment of property Diffusion2D-PT-D30N150-LTLFireability-13 finished in 2207 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X((X((F((p0||G(p1)))&&X(p2))) U (p2&&X((F((p0||G(p1)))&&X(p2)))))))'
Support contains 3 out of 900 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 900/900 places, 6844/6844 transitions.
Applied a total of 0 rules in 53 ms. Remains 900 /900 variables (removed 0) and now considering 6844/6844 (removed 0) transitions.
[2026-05-23 23:43:50] [INFO ] Invariant cache hit.
[2026-05-23 23:43:50] [INFO ] Implicit Places using invariants in 101 ms returned []
[2026-05-23 23:43:50] [INFO ] Invariant cache hit.
[2026-05-23 23:43:51] [INFO ] Implicit Places using invariants and state equation in 1012 ms returned []
Implicit Place search using SMT with State Equation took 1118 ms to find 0 implicit places.
Skipped dead transition search.
Finished structural reductions in LTL mode , in 1 iterations and 1171 ms. Remains : 900/900 places, 6844/6844 transitions.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X((X((F((p0||G(p1)))&&X(p2))) U (p2&&X((F((p0||G(p1)))&&X(p2)))))))'
Stuttering acceptance computed with spot in 185 ms :[(OR (NOT p2) (AND (NOT p0) (NOT p1))), (OR (NOT p2) (AND (NOT p0) (NOT p1))), (OR (NOT p2) (AND (NOT p0) (NOT p1))), (AND (NOT p0) (NOT p1)), (NOT p2), true]
Running random walk in product with property : Diffusion2D-PT-D30N150-LTLFireability-14
Entered a terminal (fully accepting) state of product in 458 steps with 1 reset in 8 ms.
FORMULA Diffusion2D-PT-D30N150-LTLFireability-14 FALSE TECHNIQUES STUTTER_TEST
Treatment of property Diffusion2D-PT-D30N150-LTLFireability-14 finished in 1415 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(F(G(p0)))'
Support contains 1 out of 900 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 900/900 places, 6844/6844 transitions.
Graph (trivial) has 6828 edges and 900 vertex of which 899 / 900 are part of one of the 1 SCC in 12 ms
Free SCC test removed 898 places
Ensure Unique test removed 6841 transitions
Reduce isomorphic transitions removed 6841 transitions.
Applied a total of 1 rules in 23 ms. Remains 2 /900 variables (removed 898) and now considering 3/6844 (removed 6841) transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-16395709233083300592.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-3677346990808168860.kers'
[2026-05-23 23:43:51] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-16395709233083300592.kers, --Pflows, --basisKERS=/tmp/petrispot-output-3677346990808168860.kers]
Normalized transition count is 2 out of 3 initially.
Culling duplicate invariants (modulo rational): removing 1 columns.
Culled 1 columns in 0 ms.
// Phase 1: matrix 2 rows 1 cols 2 entries
Finished phase 1 with 1 SingleSign rule and 0 generalized
[2026-05-23 23:43:51] [INFO ] Computed 1 invariants in 0 ms
Computed 1 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-3677346990808168860.kers
Total runtime 0 ms.
[2026-05-23 23:43:51] [INFO ] Implicit Places using invariants in 26 ms returned []
[2026-05-23 23:43:51] [INFO ] Invariant cache hit.
[2026-05-23 23:43:51] [INFO ] Implicit Places using invariants and state equation in 12 ms returned []
Implicit Place search using SMT with State Equation took 40 ms to find 0 implicit places.
[2026-05-23 23:43:51] [INFO ] Redundant transitions in 0 ms returned []
Running 1 sub problems to find dead transitions.
[2026-05-23 23:43:51] [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 19 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 2/2 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
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 18 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 41ms problems are : Problem set: 0 solved, 1 unsolved
Search for dead transitions found 0 dead transitions in 41ms
Starting structural reductions in SI_LTL mode, iteration 1 : 2/900 places, 3/6844 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 132 ms. Remains : 2/900 places, 3/6844 transitions.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(F(G(p0)))'
Stuttering acceptance computed with spot in 30 ms :[(NOT p0)]
Running random walk in product with property : Diffusion2D-PT-D30N150-LTLFireability-15
Stuttering criterion allowed to conclude after 0 steps with 0 reset in 0 ms.
FORMULA Diffusion2D-PT-D30N150-LTLFireability-15 FALSE TECHNIQUES STUTTER_TEST
Treatment of property Diffusion2D-PT-D30N150-LTLFireability-15 finished in 195 ms.
All properties solved by simple procedures.
Total runtime 169648 ms.
BK_STOP 1779579832048
--------------------
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-D30N150"
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-D30N150, 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-177955695400164"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"
tar xzf /home/mcc/BenchKit/INPUTS/Diffusion2D-PT-D30N150.tgz
mv Diffusion2D-PT-D30N150 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 ;