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-177955695300084.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-D10N100, examination is LTLFireability
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r098-tall-177955695300084
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 700K
-rw-r--r-- 1 mcc users 8.5K Mar 6 16:06 CTLCardinality.txt
-rw-r--r-- 1 mcc users 83K Mar 6 16:06 CTLCardinality.xml
-rw-r--r-- 1 mcc users 5.8K Mar 6 16:06 CTLFireability.txt
-rw-r--r-- 1 mcc users 47K Mar 6 16:06 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K Mar 3 18:30 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 6.3K Mar 3 18:30 GenericPropertiesVerdict.xml
-rw-r--r-- 1 mcc users 4.3K Mar 15 09:03 LTLCardinality.txt
-rw-r--r-- 1 mcc users 29K Mar 15 09:03 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.6K Mar 15 09:04 LTLFireability.txt
-rw-r--r-- 1 mcc users 18K Mar 15 09:04 LTLFireability.xml
-rw-r--r-- 1 mcc users 11K Mar 6 16:06 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 96K Mar 6 16:06 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 9.6K Mar 6 16:06 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 71K Mar 6 16:06 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.8K Mar 15 09:04 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.8K Mar 15 09:04 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 255K 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-D10N100-LTLFireability-00
FORMULA_NAME Diffusion2D-PT-D10N100-LTLFireability-01
FORMULA_NAME Diffusion2D-PT-D10N100-LTLFireability-02
FORMULA_NAME Diffusion2D-PT-D10N100-LTLFireability-03
FORMULA_NAME Diffusion2D-PT-D10N100-LTLFireability-04
FORMULA_NAME Diffusion2D-PT-D10N100-LTLFireability-05
FORMULA_NAME Diffusion2D-PT-D10N100-LTLFireability-06
FORMULA_NAME Diffusion2D-PT-D10N100-LTLFireability-07
FORMULA_NAME Diffusion2D-PT-D10N100-LTLFireability-08
FORMULA_NAME Diffusion2D-PT-D10N100-LTLFireability-09
FORMULA_NAME Diffusion2D-PT-D10N100-LTLFireability-10
FORMULA_NAME Diffusion2D-PT-D10N100-LTLFireability-11
FORMULA_NAME Diffusion2D-PT-D10N100-LTLFireability-12
FORMULA_NAME Diffusion2D-PT-D10N100-LTLFireability-13
FORMULA_NAME Diffusion2D-PT-D10N100-LTLFireability-14
FORMULA_NAME Diffusion2D-PT-D10N100-LTLFireability-15

=== Now, execution of the tool begins

BK_START 1779566002773

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-D10N100
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
LTLFireability PT
Running Version 202604301425
[2026-05-23 19:53:23] [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 19:53:23] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-05-23 19:53:24] [INFO ] Load time of PNML (sax parser for PT used): 93 ms
[2026-05-23 19:53:24] [INFO ] Transformed 100 places.
[2026-05-23 19:53:24] [INFO ] Transformed 684 transitions.
[2026-05-23 19:53:24] [INFO ] Parsed PT model containing 100 places and 684 transitions and 1368 arcs in 185 ms.
Parsed 16 properties from file /home/mcc/execution/LTLFireability.xml in 9 ms.
Working with output stream class java.io.PrintStream
Initial state reduction rules removed 4 formulas.
FORMULA Diffusion2D-PT-D10N100-LTLFireability-00 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA Diffusion2D-PT-D10N100-LTLFireability-01 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA Diffusion2D-PT-D10N100-LTLFireability-05 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA Diffusion2D-PT-D10N100-LTLFireability-13 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Support contains 24 out of 100 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 100/100 places, 684/684 transitions.
Applied a total of 0 rules in 26 ms. Remains 100 /100 variables (removed 0) and now considering 684/684 (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-6244857541589407764.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-2170547891278410758.kers'
[2026-05-23 19:53:24] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-6244857541589407764.kers, --Pflows, --basisKERS=/tmp/petrispot-output-2170547891278410758.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 684 rows 100 cols 1368 entries
Finished phase 1 with 99 SingleSign rule and 0 generalized
[2026-05-23 19:53:24] [INFO ] Computed 1 invariants in 2 ms
Computed 1 P flows in 2 ms.
Exported basis to /tmp/petrispot-output-2170547891278410758.kers
Total runtime 3 ms.
[2026-05-23 19:53:24] [INFO ] Implicit Places using invariants in 162 ms returned []
[2026-05-23 19:53:24] [INFO ] Invariant cache hit.
[2026-05-23 19:53:24] [INFO ] Implicit Places using invariants and state equation in 197 ms returned []
Implicit Place search using SMT with State Equation took 390 ms to find 0 implicit places.
Running 676 sub problems to find dead transitions.
[2026-05-23 19:53:24] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/99 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 676 unsolved
At refinement iteration 1 (OVERLAPS) 1/100 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 676 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/100 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 676 unsolved
At refinement iteration 3 (OVERLAPS) 684/784 variables, 100/101 constraints. Problems are: Problem set: 0 solved, 676 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/784 variables, 0/101 constraints. Problems are: Problem set: 0 solved, 676 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 Real declared 784/784 variables, and 101 constraints, problems are : Problem set: 0 solved, 676 unsolved in 30020 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 100/100 constraints, PredecessorRefiner: 676/676 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 676 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/99 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 676 unsolved
At refinement iteration 1 (OVERLAPS) 1/100 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 676 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/100 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 676 unsolved
At refinement iteration 3 (OVERLAPS) 684/784 variables, 100/101 constraints. Problems are: Problem set: 0 solved, 676 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/784 variables, 676/777 constraints. Problems are: Problem set: 0 solved, 676 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/784 variables, 0/777 constraints. Problems are: Problem set: 0 solved, 676 unsolved
Error getting values : (error "Timeout of Z3 solver reached")
Error getting values : (error "Error writing to Z3 solver: java.io.IOException: Broken pipe")
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 784/784 variables, and 777 constraints, problems are : Problem set: 0 solved, 676 unsolved in 30026 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 100/100 constraints, PredecessorRefiner: 676/676 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60248ms problems are : Problem set: 0 solved, 676 unsolved
Search for dead transitions found 0 dead transitions in 60265ms
Finished structural reductions in LTL mode , in 1 iterations and 60717 ms. Remains : 100/100 places, 684/684 transitions.
Starting structural reductions in LTL mode, iteration 0 : 100/100 places, 684/684 transitions.
Applied a total of 0 rules in 5 ms. Remains 100 /100 variables (removed 0) and now considering 684/684 (removed 0) transitions.
[2026-05-23 19:54:24] [INFO ] Invariant cache hit.
[2026-05-23 19:54:24] [INFO ] Implicit Places using invariants in 27 ms returned []
[2026-05-23 19:54:24] [INFO ] Invariant cache hit.
[2026-05-23 19:54:25] [INFO ] Implicit Places using invariants and state equation in 125 ms returned []
Implicit Place search using SMT with State Equation took 155 ms to find 0 implicit places.
Skipped dead transition search.
Finished structural reductions in LTL mode , in 1 iterations and 161 ms. Remains : 100/100 places, 684/684 transitions.
Support contains 24 out of 100 places after structural reductions.
[2026-05-23 19:54:25] [INFO ] Flatten gal took : 51 ms
[2026-05-23 19:54:25] [INFO ] Flatten gal took : 23 ms
[2026-05-23 19:54:25] [INFO ] Input system was already deterministic with 684 transitions.
RANDOM walk for 40013 steps (8 resets) in 127 ms. (312 steps per ms) remains 1/24 properties
BEST_FIRST walk for 7885 steps (1 resets) in 11 ms. (657 steps per ms) remains 0/1 properties
Computed a total of 0 stabilizing places and 0 stable transitions
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(X((X(X(p0))||G(p1)))))'
Support contains 2 out of 100 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 100/100 places, 684/684 transitions.
Applied a total of 0 rules in 7 ms. Remains 100 /100 variables (removed 0) and now considering 684/684 (removed 0) transitions.
[2026-05-23 19:54:25] [INFO ] Invariant cache hit.
[2026-05-23 19:54:25] [INFO ] Implicit Places using invariants in 24 ms returned []
[2026-05-23 19:54:25] [INFO ] Invariant cache hit.
[2026-05-23 19:54:25] [INFO ] Implicit Places using invariants and state equation in 115 ms returned []
Implicit Place search using SMT with State Equation took 142 ms to find 0 implicit places.
Skipped dead transition search.
Finished structural reductions in LTL mode , in 1 iterations and 150 ms. Remains : 100/100 places, 684/684 transitions.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(X((X(X(p0))||G(p1)))))'
Stuttering acceptance computed with spot in 427 ms :[(NOT p0), (AND (NOT p0) (NOT p1)), (AND (NOT p1) (NOT p0)), (NOT p0), true, (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1)), (NOT p1)]
Running random walk in product with property : Diffusion2D-PT-D10N100-LTLFireability-02
Entered a terminal (fully accepting) state of product in 50599 steps with 10119 reset in 157 ms.
FORMULA Diffusion2D-PT-D10N100-LTLFireability-02 FALSE TECHNIQUES STUTTER_TEST
Treatment of property Diffusion2D-PT-D10N100-LTLFireability-02 finished in 807 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(p0)||X(G(p1))))'
Support contains 2 out of 100 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 100/100 places, 684/684 transitions.
Applied a total of 0 rules in 9 ms. Remains 100 /100 variables (removed 0) and now considering 684/684 (removed 0) transitions.
[2026-05-23 19:54:26] [INFO ] Invariant cache hit.
[2026-05-23 19:54:26] [INFO ] Implicit Places using invariants in 23 ms returned []
[2026-05-23 19:54:26] [INFO ] Invariant cache hit.
[2026-05-23 19:54:26] [INFO ] Implicit Places using invariants and state equation in 125 ms returned []
Implicit Place search using SMT with State Equation took 151 ms to find 0 implicit places.
Skipped dead transition search.
Finished structural reductions in LTL mode , in 1 iterations and 160 ms. Remains : 100/100 places, 684/684 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)||X(G(p1))))'
Stuttering acceptance computed with spot in 170 ms :[true, (AND (NOT p0) (NOT p1)), (NOT p1), (AND (NOT p1) (NOT p0)), (NOT p0)]
Running random walk in product with property : Diffusion2D-PT-D10N100-LTLFireability-03
Entered a terminal (fully accepting) state of product in 524 steps with 0 reset in 5 ms.
FORMULA Diffusion2D-PT-D10N100-LTLFireability-03 FALSE TECHNIQUES STUTTER_TEST
Treatment of property Diffusion2D-PT-D10N100-LTLFireability-03 finished in 364 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(X(G(X(G(F((!(p0 U p1)||!p0))))))))'
Support contains 2 out of 100 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 100/100 places, 684/684 transitions.
Graph (trivial) has 652 edges and 100 vertex of which 98 / 100 are part of one of the 1 SCC in 3 ms
Free SCC test removed 97 places
Ensure Unique test removed 679 transitions
Reduce isomorphic transitions removed 679 transitions.
Applied a total of 1 rules in 13 ms. Remains 3 /100 variables (removed 97) and now considering 5/684 (removed 679) transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-2145588964098348548.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-9870052975406556444.kers'
[2026-05-23 19:54:26] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-2145588964098348548.kers, --Pflows, --basisKERS=/tmp/petrispot-output-9870052975406556444.kers]
Normalized transition count is 4 out of 5 initially.
Culled 0 columns in 0 ms.
// Phase 1: matrix 4 rows 3 cols 8 entries
Finished phase 1 with 2 SingleSign rule and 0 generalized
[2026-05-23 19:54:26] [INFO ] Computed 1 invariants in 0 ms
Computed 1 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-9870052975406556444.kers
Total runtime 0 ms.
[2026-05-23 19:54:27] [INFO ] Implicit Places using invariants in 18 ms returned []
[2026-05-23 19:54:27] [INFO ] Invariant cache hit.
[2026-05-23 19:54:27] [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 19:54:27] [INFO ] Redundant transitions in 0 ms returned []
Running 2 sub problems to find dead transitions.
[2026-05-23 19:54:27] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/2 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 1 (OVERLAPS) 1/3 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/3 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (OVERLAPS) 4/7 variables, 3/4 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/7 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (OVERLAPS) 0/7 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Real declared 7/8 variables, and 4 constraints, problems are : Problem set: 0 solved, 2 unsolved in 31 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 3/3 constraints, PredecessorRefiner: 2/2 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 2 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/2 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 1 (OVERLAPS) 1/3 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/3 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (OVERLAPS) 4/7 variables, 3/4 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/7 variables, 2/6 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/7 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 6 (OVERLAPS) 0/7 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Int declared 7/8 variables, and 6 constraints, problems are : Problem set: 0 solved, 2 unsolved in 30 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 3/3 constraints, PredecessorRefiner: 2/2 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 64ms problems are : Problem set: 0 solved, 2 unsolved
Search for dead transitions found 0 dead transitions in 65ms
Starting structural reductions in SI_LTL mode, iteration 1 : 3/100 places, 5/684 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 116 ms. Remains : 3/100 places, 5/684 transitions.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(X(G(X(G(F((!(p0 U p1)||!p0))))))))'
Stuttering acceptance computed with spot in 60 ms :[(AND p0 p1), (AND p0 p1)]
Running random walk in product with property : Diffusion2D-PT-D10N100-LTLFireability-04
Stuttering criterion allowed to conclude after 4 steps with 0 reset in 1 ms.
FORMULA Diffusion2D-PT-D10N100-LTLFireability-04 FALSE TECHNIQUES STUTTER_TEST
Treatment of property Diffusion2D-PT-D10N100-LTLFireability-04 finished in 201 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 100 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 100/100 places, 684/684 transitions.
Graph (trivial) has 674 edges and 100 vertex of which 99 / 100 are part of one of the 1 SCC in 2 ms
Free SCC test removed 98 places
Ensure Unique test removed 681 transitions
Reduce isomorphic transitions removed 681 transitions.
Applied a total of 1 rules in 6 ms. Remains 2 /100 variables (removed 98) and now considering 3/684 (removed 681) transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-8671546293660670839.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-16197865027582513181.kers'
[2026-05-23 19:54:27] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-8671546293660670839.kers, --Pflows, --basisKERS=/tmp/petrispot-output-16197865027582513181.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 19:54:27] [INFO ] Computed 1 invariants in 0 ms
Computed 1 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-16197865027582513181.kers
Total runtime 0 ms.
[2026-05-23 19:54:27] [INFO ] Implicit Places using invariants in 16 ms returned []
[2026-05-23 19:54:27] [INFO ] Invariant cache hit.
[2026-05-23 19:54:27] [INFO ] Implicit Places using invariants and state equation in 17 ms returned []
Implicit Place search using SMT with State Equation took 34 ms to find 0 implicit places.
[2026-05-23 19:54:27] [INFO ] Redundant transitions in 0 ms returned []
Running 1 sub problems to find dead transitions.
[2026-05-23 19:54:27] [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 16 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 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 : 2/100 places, 3/684 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 85 ms. Remains : 2/100 places, 3/684 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 31 ms :[(NOT p0)]
Running random walk in product with property : Diffusion2D-PT-D10N100-LTLFireability-06
Stuttering criterion allowed to conclude after 0 steps with 0 reset in 0 ms.
FORMULA Diffusion2D-PT-D10N100-LTLFireability-06 FALSE TECHNIQUES STUTTER_TEST
Treatment of property Diffusion2D-PT-D10N100-LTLFireability-06 finished in 137 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X((X(X(X(X(X(p0))))) U (p0&&F(p1)))))'
Support contains 2 out of 100 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 100/100 places, 684/684 transitions.
Applied a total of 0 rules in 9 ms. Remains 100 /100 variables (removed 0) and now considering 684/684 (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-12305738701042417203.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-3656355333778036662.kers'
[2026-05-23 19:54:27] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-12305738701042417203.kers, --Pflows, --basisKERS=/tmp/petrispot-output-3656355333778036662.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 684 rows 100 cols 1368 entries
Finished phase 1 with 99 SingleSign rule and 0 generalized
[2026-05-23 19:54:27] [INFO ] Computed 1 invariants in 2 ms
Computed 1 P flows in 2 ms.
Exported basis to /tmp/petrispot-output-3656355333778036662.kers
Total runtime 2 ms.
[2026-05-23 19:54:27] [INFO ] Implicit Places using invariants in 28 ms returned []
[2026-05-23 19:54:27] [INFO ] Invariant cache hit.
[2026-05-23 19:54:27] [INFO ] Implicit Places using invariants and state equation in 98 ms returned []
Implicit Place search using SMT with State Equation took 128 ms to find 0 implicit places.
Running 676 sub problems to find dead transitions.
[2026-05-23 19:54:27] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/99 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 676 unsolved
At refinement iteration 1 (OVERLAPS) 1/100 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 676 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/100 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 676 unsolved
At refinement iteration 3 (OVERLAPS) 684/784 variables, 100/101 constraints. Problems are: Problem set: 0 solved, 676 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/784 variables, 0/101 constraints. Problems are: Problem set: 0 solved, 676 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 784/784 variables, and 101 constraints, problems are : Problem set: 0 solved, 676 unsolved in 30026 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 100/100 constraints, PredecessorRefiner: 676/676 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 676 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/99 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 676 unsolved
At refinement iteration 1 (OVERLAPS) 1/100 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 676 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/100 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 676 unsolved
At refinement iteration 3 (OVERLAPS) 684/784 variables, 100/101 constraints. Problems are: Problem set: 0 solved, 676 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/784 variables, 676/777 constraints. Problems are: Problem set: 0 solved, 676 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/784 variables, 0/777 constraints. Problems are: Problem set: 0 solved, 676 unsolved
Error getting values : (error "Timeout of Z3 solver reached")
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 784/784 variables, and 777 constraints, problems are : Problem set: 0 solved, 676 unsolved in 30020 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 100/100 constraints, PredecessorRefiner: 676/676 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60156ms problems are : Problem set: 0 solved, 676 unsolved
Search for dead transitions found 0 dead transitions in 60158ms
Finished structural reductions in LTL mode , in 1 iterations and 60297 ms. Remains : 100/100 places, 684/684 transitions.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X((X(X(X(X(X(p0))))) U (p0&&F(p1)))))'
Stuttering acceptance computed with spot in 311 ms :[(OR (NOT p0) (NOT p1)), (OR (NOT p1) (NOT p0)), (NOT p0), (NOT p1), (NOT p0), (NOT p0), (NOT p0), (NOT p0), true]
Running random walk in product with property : Diffusion2D-PT-D10N100-LTLFireability-07
Entered a terminal (fully accepting) state of product in 6 steps with 0 reset in 0 ms.
FORMULA Diffusion2D-PT-D10N100-LTLFireability-07 FALSE TECHNIQUES STUTTER_TEST
Treatment of property Diffusion2D-PT-D10N100-LTLFireability-07 finished in 60651 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)&&F(p1)))))'
Support contains 2 out of 100 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 100/100 places, 684/684 transitions.
Applied a total of 0 rules in 5 ms. Remains 100 /100 variables (removed 0) and now considering 684/684 (removed 0) transitions.
[2026-05-23 19:55:27] [INFO ] Invariant cache hit.
[2026-05-23 19:55:28] [INFO ] Implicit Places using invariants in 24 ms returned []
[2026-05-23 19:55:28] [INFO ] Invariant cache hit.
[2026-05-23 19:55:28] [INFO ] Implicit Places using invariants and state equation in 117 ms returned []
Implicit Place search using SMT with State Equation took 148 ms to find 0 implicit places.
Skipped dead transition search.
Finished structural reductions in LTL mode , in 1 iterations and 154 ms. Remains : 100/100 places, 684/684 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)&&F(p1)))))'
Stuttering acceptance computed with spot in 191 ms :[(NOT p1), (NOT p0), (OR (NOT p0) (NOT p1)), (OR (NOT p0) (NOT p1)), (OR (NOT p0) (NOT p1))]
Running random walk in product with property : Diffusion2D-PT-D10N100-LTLFireability-08
Product exploration explored 100000 steps with 246 reset in 636 ms.
Stack based approach found an accepted trace after 31 steps with 0 reset with depth 32 and stack size 32 in 0 ms.
FORMULA Diffusion2D-PT-D10N100-LTLFireability-08 FALSE TECHNIQUES STACK_TEST
Treatment of property Diffusion2D-PT-D10N100-LTLFireability-08 finished in 1018 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X((p0 U ((p1||X(G(!p0))) U G(p1)))))'
Support contains 2 out of 100 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 100/100 places, 684/684 transitions.
Applied a total of 0 rules in 7 ms. Remains 100 /100 variables (removed 0) and now considering 684/684 (removed 0) transitions.
[2026-05-23 19:55:28] [INFO ] Invariant cache hit.
[2026-05-23 19:55:29] [INFO ] Implicit Places using invariants in 27 ms returned []
[2026-05-23 19:55:29] [INFO ] Invariant cache hit.
[2026-05-23 19:55:29] [INFO ] Implicit Places using invariants and state equation in 102 ms returned []
Implicit Place search using SMT with State Equation took 146 ms to find 0 implicit places.
Skipped dead transition search.
Finished structural reductions in LTL mode , in 1 iterations and 154 ms. Remains : 100/100 places, 684/684 transitions.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X((p0 U ((p1||X(G(!p0))) U G(p1)))))'
Stuttering acceptance computed with spot in 161 ms :[(NOT p1), (NOT p1), p0, (NOT p1), true]
Running random walk in product with property : Diffusion2D-PT-D10N100-LTLFireability-09
Entered a terminal (fully accepting) state of product in 130 steps with 33 reset in 1 ms.
FORMULA Diffusion2D-PT-D10N100-LTLFireability-09 FALSE TECHNIQUES STUTTER_TEST
Treatment of property Diffusion2D-PT-D10N100-LTLFireability-09 finished in 346 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((F(p0) U X((p1 U X(p1)))))))'
Support contains 2 out of 100 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 100/100 places, 684/684 transitions.
Applied a total of 0 rules in 2 ms. Remains 100 /100 variables (removed 0) and now considering 684/684 (removed 0) transitions.
[2026-05-23 19:55:29] [INFO ] Invariant cache hit.
[2026-05-23 19:55:29] [INFO ] Implicit Places using invariants in 24 ms returned []
[2026-05-23 19:55:29] [INFO ] Invariant cache hit.
[2026-05-23 19:55:29] [INFO ] Implicit Places using invariants and state equation in 96 ms returned []
Implicit Place search using SMT with State Equation took 132 ms to find 0 implicit places.
Skipped dead transition search.
Finished structural reductions in LTL mode , in 1 iterations and 136 ms. Remains : 100/100 places, 684/684 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((F(p0) U X((p1 U X(p1)))))))'
Stuttering acceptance computed with spot in 223 ms :[(NOT p1), (AND (NOT p0) (NOT p1)), (NOT p1), (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1)), (NOT p1), (AND (NOT p0) (NOT p1))]
Running random walk in product with property : Diffusion2D-PT-D10N100-LTLFireability-10
Product exploration explored 100000 steps with 669 reset in 468 ms.
Stack based approach found an accepted trace after 517 steps with 5 reset with depth 142 and stack size 142 in 2 ms.
FORMULA Diffusion2D-PT-D10N100-LTLFireability-10 FALSE TECHNIQUES STACK_TEST
Treatment of property Diffusion2D-PT-D10N100-LTLFireability-10 finished in 869 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((p0 U (p1&&(!p0 U (!p0&&G(p1)&&X(!p0)))))))'
Support contains 2 out of 100 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 100/100 places, 684/684 transitions.
Graph (trivial) has 652 edges and 100 vertex of which 98 / 100 are part of one of the 1 SCC in 1 ms
Free SCC test removed 97 places
Ensure Unique test removed 679 transitions
Reduce isomorphic transitions removed 679 transitions.
Applied a total of 1 rules in 2 ms. Remains 3 /100 variables (removed 97) and now considering 5/684 (removed 679) transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-10637853176731705411.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-14618969057013630571.kers'
[2026-05-23 19:55:30] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-10637853176731705411.kers, --Pflows, --basisKERS=/tmp/petrispot-output-14618969057013630571.kers]
Normalized transition count is 4 out of 5 initially.
Culled 0 columns in 0 ms.
// Phase 1: matrix 4 rows 3 cols 8 entries
Finished phase 1 with 2 SingleSign rule and 0 generalized
[2026-05-23 19:55:30] [INFO ] Computed 1 invariants in 0 ms
Computed 1 P flows in 3 ms.
Exported basis to /tmp/petrispot-output-14618969057013630571.kers
Total runtime 3 ms.
[2026-05-23 19:55:30] [INFO ] Implicit Places using invariants in 18 ms returned []
[2026-05-23 19:55:30] [INFO ] Invariant cache hit.
[2026-05-23 19:55:30] [INFO ] Implicit Places using invariants and state equation in 18 ms returned []
Implicit Place search using SMT with State Equation took 37 ms to find 0 implicit places.
[2026-05-23 19:55:30] [INFO ] Redundant transitions in 0 ms returned []
Running 2 sub problems to find dead transitions.
[2026-05-23 19:55:30] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/2 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 1 (OVERLAPS) 1/3 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/3 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (OVERLAPS) 4/7 variables, 3/4 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/7 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (OVERLAPS) 0/7 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Real declared 7/8 variables, and 4 constraints, problems are : Problem set: 0 solved, 2 unsolved in 26 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 3/3 constraints, PredecessorRefiner: 2/2 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 2 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/2 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 1 (OVERLAPS) 1/3 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/3 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (OVERLAPS) 4/7 variables, 3/4 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/7 variables, 2/6 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/7 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 6 (OVERLAPS) 0/7 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Int declared 7/8 variables, and 6 constraints, problems are : Problem set: 0 solved, 2 unsolved in 28 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 3/3 constraints, PredecessorRefiner: 2/2 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 56ms problems are : Problem set: 0 solved, 2 unsolved
Search for dead transitions found 0 dead transitions in 56ms
Starting structural reductions in SI_LTL mode, iteration 1 : 3/100 places, 5/684 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 104 ms. Remains : 3/100 places, 5/684 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&&(!p0 U (!p0&&G(p1)&&X(!p0)))))))'
Stuttering acceptance computed with spot in 79 ms :[(OR (NOT p1) p0), true, (OR (NOT p1) p0)]
Running random walk in product with property : Diffusion2D-PT-D10N100-LTLFireability-11
Stuttering criterion allowed to conclude after 0 steps with 0 reset in 0 ms.
FORMULA Diffusion2D-PT-D10N100-LTLFireability-11 FALSE TECHNIQUES STUTTER_TEST
Treatment of property Diffusion2D-PT-D10N100-LTLFireability-11 finished in 209 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)&&(p1 U (p2||X((G(F(p2)) U p3))))))'
Support contains 4 out of 100 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 100/100 places, 684/684 transitions.
Applied a total of 0 rules in 2 ms. Remains 100 /100 variables (removed 0) and now considering 684/684 (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-3022386573495332777.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-15655463017055228615.kers'
[2026-05-23 19:55:30] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-3022386573495332777.kers, --Pflows, --basisKERS=/tmp/petrispot-output-15655463017055228615.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 684 rows 100 cols 1368 entries
Finished phase 1 with 99 SingleSign rule and 0 generalized
[2026-05-23 19:55:30] [INFO ] Computed 1 invariants in 2 ms
Computed 1 P flows in 2 ms.
Exported basis to /tmp/petrispot-output-15655463017055228615.kers
Total runtime 2 ms.
[2026-05-23 19:55:30] [INFO ] Implicit Places using invariants in 38 ms returned []
[2026-05-23 19:55:30] [INFO ] Invariant cache hit.
[2026-05-23 19:55:30] [INFO ] Implicit Places using invariants and state equation in 105 ms returned []
Implicit Place search using SMT with State Equation took 145 ms to find 0 implicit places.
Running 676 sub problems to find dead transitions.
[2026-05-23 19:55:30] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/99 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 676 unsolved
At refinement iteration 1 (OVERLAPS) 1/100 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 676 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/100 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 676 unsolved
At refinement iteration 3 (OVERLAPS) 684/784 variables, 100/101 constraints. Problems are: Problem set: 0 solved, 676 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/784 variables, 0/101 constraints. Problems are: Problem set: 0 solved, 676 unsolved
Error getting values : (error "Timeout of Z3 solver reached")
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 784/784 variables, and 101 constraints, problems are : Problem set: 0 solved, 676 unsolved in 30013 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 100/100 constraints, PredecessorRefiner: 676/676 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 676 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/99 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 676 unsolved
At refinement iteration 1 (OVERLAPS) 1/100 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 676 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/100 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 676 unsolved
At refinement iteration 3 (OVERLAPS) 684/784 variables, 100/101 constraints. Problems are: Problem set: 0 solved, 676 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/784 variables, 676/777 constraints. Problems are: Problem set: 0 solved, 676 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/784 variables, 0/777 constraints. Problems are: Problem set: 0 solved, 676 unsolved
Error getting values : (error "Timeout of Z3 solver reached")
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 784/784 variables, and 777 constraints, problems are : Problem set: 0 solved, 676 unsolved in 30018 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 100/100 constraints, PredecessorRefiner: 676/676 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60112ms problems are : Problem set: 0 solved, 676 unsolved
Search for dead transitions found 0 dead transitions in 60114ms
Finished structural reductions in LTL mode , in 1 iterations and 60264 ms. Remains : 100/100 places, 684/684 transitions.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!((F(p0)&&(p1 U (p2||X((G(F(p2)) U p3))))))'
Stuttering acceptance computed with spot in 180 ms :[(OR (NOT p0) (AND (NOT p2) (NOT p3))), (NOT p0), (NOT p3), (AND (NOT p2) (NOT p3)), (NOT p2), (NOT p2)]
Running random walk in product with property : Diffusion2D-PT-D10N100-LTLFireability-12
Product exploration explored 100000 steps with 515 reset in 483 ms.
Stack based approach found an accepted trace after 33 steps with 0 reset with depth 34 and stack size 34 in 0 ms.
FORMULA Diffusion2D-PT-D10N100-LTLFireability-12 FALSE TECHNIQUES STACK_TEST
Treatment of property Diffusion2D-PT-D10N100-LTLFireability-12 finished in 60978 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(((F(G(p0))&&(G(p0)||F(p1))) U X(p2))))'
Support contains 3 out of 100 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 100/100 places, 684/684 transitions.
Applied a total of 0 rules in 2 ms. Remains 100 /100 variables (removed 0) and now considering 684/684 (removed 0) transitions.
[2026-05-23 19:56:31] [INFO ] Invariant cache hit.
[2026-05-23 19:56:31] [INFO ] Implicit Places using invariants in 25 ms returned []
[2026-05-23 19:56:31] [INFO ] Invariant cache hit.
[2026-05-23 19:56:31] [INFO ] Implicit Places using invariants and state equation in 113 ms returned []
Implicit Place search using SMT with State Equation took 140 ms to find 0 implicit places.
Skipped dead transition search.
Finished structural reductions in LTL mode , in 1 iterations and 143 ms. Remains : 100/100 places, 684/684 transitions.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(((F(G(p0))&&(G(p0)||F(p1))) U X(p2))))'
Stuttering acceptance computed with spot in 324 ms :[(NOT p2), (NOT p2), (NOT p2), (AND (NOT p1) (NOT p2)), (AND (NOT p1) (NOT p0) (NOT p2)), (NOT p0), (NOT p1), (AND (NOT p1) (NOT p0))]
Running random walk in product with property : Diffusion2D-PT-D10N100-LTLFireability-14
Product exploration explored 100000 steps with 0 reset in 1894 ms.
Stack based approach found an accepted trace after 30 steps with 1 reset with depth 15 and stack size 15 in 0 ms.
FORMULA Diffusion2D-PT-D10N100-LTLFireability-14 FALSE TECHNIQUES STACK_TEST
Treatment of property Diffusion2D-PT-D10N100-LTLFireability-14 finished in 2411 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 100 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 100/100 places, 684/684 transitions.
Graph (trivial) has 668 edges and 100 vertex of which 99 / 100 are part of one of the 1 SCC in 1 ms
Free SCC test removed 98 places
Ensure Unique test removed 681 transitions
Reduce isomorphic transitions removed 681 transitions.
Applied a total of 1 rules in 2 ms. Remains 2 /100 variables (removed 98) and now considering 3/684 (removed 681) transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-14584506618954762997.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-14314432888789051698.kers'
[2026-05-23 19:56:33] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-14584506618954762997.kers, --Pflows, --basisKERS=/tmp/petrispot-output-14314432888789051698.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 19:56:33] [INFO ] Computed 1 invariants in 0 ms
Computed 1 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-14314432888789051698.kers
Total runtime 0 ms.
[2026-05-23 19:56:33] [INFO ] Implicit Places using invariants in 18 ms returned []
[2026-05-23 19:56:33] [INFO ] Invariant cache hit.
[2026-05-23 19:56:33] [INFO ] Implicit Places using invariants and state equation in 13 ms returned []
Implicit Place search using SMT with State Equation took 33 ms to find 0 implicit places.
[2026-05-23 19:56:33] [INFO ] Redundant transitions in 0 ms returned []
Running 1 sub problems to find dead transitions.
[2026-05-23 19:56:33] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 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 38 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 24 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 63ms problems are : Problem set: 0 solved, 1 unsolved
Search for dead transitions found 0 dead transitions in 63ms
Starting structural reductions in SI_LTL mode, iteration 1 : 2/100 places, 3/684 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 102 ms. Remains : 2/100 places, 3/684 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 64 ms :[(NOT p0), (NOT p0)]
Running random walk in product with property : Diffusion2D-PT-D10N100-LTLFireability-15
Stuttering criterion allowed to conclude after 2 steps with 0 reset in 0 ms.
FORMULA Diffusion2D-PT-D10N100-LTLFireability-15 FALSE TECHNIQUES STUTTER_TEST
Treatment of property Diffusion2D-PT-D10N100-LTLFireability-15 finished in 195 ms.
All properties solved by simple procedures.
Total runtime 190118 ms.

BK_STOP 1779566194029

--------------------
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
++ perl -pe 's/.*\.//g'
++ sed s/.jar//
++ 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-D10N100"
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-D10N100, 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-177955695300084"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/Diffusion2D-PT-D10N100.tgz
mv Diffusion2D-PT-D10N100 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 ;