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-177955695400108.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-D20N010, examination is LTLFireability
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r098-tall-177955695400108
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 1.6M
-rw-r--r-- 1 mcc users 8.8K Mar 6 16:09 CTLCardinality.txt
-rw-r--r-- 1 mcc users 82K Mar 6 16:09 CTLCardinality.xml
-rw-r--r-- 1 mcc users 6.5K Mar 6 16:09 CTLFireability.txt
-rw-r--r-- 1 mcc users 50K Mar 6 16:09 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 4.0K Mar 15 09:04 LTLCardinality.txt
-rw-r--r-- 1 mcc users 26K Mar 15 09:04 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.7K Mar 15 09:05 LTLFireability.txt
-rw-r--r-- 1 mcc users 17K Mar 15 09:05 LTLFireability.xml
-rw-r--r-- 1 mcc users 16K Mar 6 16:10 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 143K Mar 6 16:10 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 8.2K Mar 6 16:10 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 54K Mar 6 16:10 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.8K Mar 15 09:05 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.8K Mar 15 09:05 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 1.2M 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-D20N010-LTLFireability-00
FORMULA_NAME Diffusion2D-PT-D20N010-LTLFireability-01
FORMULA_NAME Diffusion2D-PT-D20N010-LTLFireability-02
FORMULA_NAME Diffusion2D-PT-D20N010-LTLFireability-03
FORMULA_NAME Diffusion2D-PT-D20N010-LTLFireability-04
FORMULA_NAME Diffusion2D-PT-D20N010-LTLFireability-05
FORMULA_NAME Diffusion2D-PT-D20N010-LTLFireability-06
FORMULA_NAME Diffusion2D-PT-D20N010-LTLFireability-07
FORMULA_NAME Diffusion2D-PT-D20N010-LTLFireability-08
FORMULA_NAME Diffusion2D-PT-D20N010-LTLFireability-09
FORMULA_NAME Diffusion2D-PT-D20N010-LTLFireability-10
FORMULA_NAME Diffusion2D-PT-D20N010-LTLFireability-11
FORMULA_NAME Diffusion2D-PT-D20N010-LTLFireability-12
FORMULA_NAME Diffusion2D-PT-D20N010-LTLFireability-13
FORMULA_NAME Diffusion2D-PT-D20N010-LTLFireability-14
FORMULA_NAME Diffusion2D-PT-D20N010-LTLFireability-15

=== Now, execution of the tool begins

BK_START 1779570454872

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-D20N010
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
LTLFireability PT
Running Version 202604301425
[2026-05-23 21:07:36] [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 21:07:36] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-05-23 21:07:36] [INFO ] Load time of PNML (sax parser for PT used): 164 ms
[2026-05-23 21:07:36] [INFO ] Transformed 400 places.
[2026-05-23 21:07:36] [INFO ] Transformed 2964 transitions.
[2026-05-23 21:07:36] [INFO ] Parsed PT model containing 400 places and 2964 transitions and 5928 arcs in 263 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-D20N010-LTLFireability-02 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA Diffusion2D-PT-D20N010-LTLFireability-03 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA Diffusion2D-PT-D20N010-LTLFireability-11 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA Diffusion2D-PT-D20N010-LTLFireability-13 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Support contains 26 out of 400 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 400/400 places, 2964/2964 transitions.
Applied a total of 0 rules in 76 ms. Remains 400 /400 variables (removed 0) and now considering 2964/2964 (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-15360269107804776291.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-13672905332960671779.kers'
[2026-05-23 21:07:36] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-15360269107804776291.kers, --Pflows, --basisKERS=/tmp/petrispot-output-13672905332960671779.kers]
Culled 0 columns in 1 ms.
// Phase 1: matrix 2964 rows 400 cols 5928 entries
Finished phase 1 with 399 SingleSign rule and 0 generalized
[2026-05-23 21:07:36] [INFO ] Computed 1 invariants in 10 ms
Computed 1 P flows in 11 ms.
Exported basis to /tmp/petrispot-output-13672905332960671779.kers
Total runtime 14 ms.
[2026-05-23 21:07:36] [INFO ] Implicit Places using invariants in 230 ms returned []
[2026-05-23 21:07:36] [INFO ] Invariant cache hit.
[2026-05-23 21:07:37] [INFO ] Implicit Places using invariants and state equation in 510 ms returned []
Implicit Place search using SMT with State Equation took 772 ms to find 0 implicit places.
Running 2956 sub problems to find dead transitions.
[2026-05-23 21:07:37] [INFO ] Invariant cache hit.
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 399/3364 variables, and 0 constraints, problems are : Problem set: 0 solved, 2956 unsolved in 30065 ms.
Refiners :[Positive P Invariants (semi-flows): 0/1 constraints, State Equation: 0/400 constraints, PredecessorRefiner: 2956/2956 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 2956 unsolved
Error getting values : (error "Timeout of Z3 solver reached")
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 399/3364 variables, and 0 constraints, problems are : Problem set: 0 solved, 2956 unsolved in 30044 ms.
Refiners :[Positive P Invariants (semi-flows): 0/1 constraints, State Equation: 0/400 constraints, PredecessorRefiner: 0/2956 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 61211ms problems are : Problem set: 0 solved, 2956 unsolved
Search for dead transitions found 0 dead transitions in 61236ms
Finished structural reductions in LTL mode , in 1 iterations and 62133 ms. Remains : 400/400 places, 2964/2964 transitions.
Starting structural reductions in LTL mode, iteration 0 : 400/400 places, 2964/2964 transitions.
Applied a total of 0 rules in 106 ms. Remains 400 /400 variables (removed 0) and now considering 2964/2964 (removed 0) transitions.
[2026-05-23 21:08:38] [INFO ] Invariant cache hit.
[2026-05-23 21:08:38] [INFO ] Implicit Places using invariants in 92 ms returned []
[2026-05-23 21:08:38] [INFO ] Invariant cache hit.
[2026-05-23 21:08:39] [INFO ] Implicit Places using invariants and state equation in 429 ms returned []
Implicit Place search using SMT with State Equation took 525 ms to find 0 implicit places.
Skipped dead transition search.
Finished structural reductions in LTL mode , in 1 iterations and 633 ms. Remains : 400/400 places, 2964/2964 transitions.
Support contains 26 out of 400 places after structural reductions.
[2026-05-23 21:08:39] [INFO ] Flatten gal took : 142 ms
[2026-05-23 21:08:39] [INFO ] Flatten gal took : 77 ms
[2026-05-23 21:08:39] [INFO ] Input system was already deterministic with 2964 transitions.
RANDOM walk for 36491 steps (7 resets) in 658 ms. (55 steps per ms) remains 0/26 properties
FORMULA Diffusion2D-PT-D20N010-LTLFireability-06 FALSE TECHNIQUES REACHABILITY_KNOWLEDGE
Computed a total of 0 stabilizing places and 0 stable transitions
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(X(X((p0||G(!p0))))))'
Support contains 1 out of 400 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 400/400 places, 2964/2964 transitions.
Applied a total of 0 rules in 11 ms. Remains 400 /400 variables (removed 0) and now considering 2964/2964 (removed 0) transitions.
[2026-05-23 21:08:40] [INFO ] Invariant cache hit.
[2026-05-23 21:08:40] [INFO ] Implicit Places using invariants in 51 ms returned []
[2026-05-23 21:08:40] [INFO ] Invariant cache hit.
[2026-05-23 21:08:40] [INFO ] Implicit Places using invariants and state equation in 458 ms returned []
Implicit Place search using SMT with State Equation took 511 ms to find 0 implicit places.
Skipped dead transition search.
Finished structural reductions in LTL mode , in 1 iterations and 524 ms. Remains : 400/400 places, 2964/2964 transitions.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(X(X((p0||G(!p0))))))'
Stuttering acceptance computed with spot in 365 ms :[true, false, p0, false, false, false]
Running random walk in product with property : Diffusion2D-PT-D20N010-LTLFireability-00
Product exploration explored 100000 steps with 25000 reset in 415 ms.
Product exploration explored 100000 steps with 25000 reset in 349 ms.
Computed a total of 0 stabilizing places and 0 stable transitions
Computed a total of 0 stabilizing places and 0 stable transitions
Knowledge based reduction with 1 factoid took 55 ms. Reduced automaton from 6 states, 7 edges and 1 AP (stutter sensitive) to 6 states, 7 edges and 1 AP (stutter sensitive).
RANDOM walk for 26476 steps (5 resets) in 46 ms. (563 steps per ms) remains 0/1 properties
Knowledge based reduction with 1 factoid took 50 ms. Reduced automaton from 6 states, 7 edges and 1 AP (stutter sensitive) to 6 states, 7 edges and 1 AP (stutter sensitive).
Stuttering acceptance computed with spot in 174 ms :[true, false, p0, false, false, false]
Knowledge-based reduction took 335 ms.
Stuttering acceptance computed with spot in 202 ms :[true, false, p0, false, false, false]
Support contains 1 out of 400 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 400/400 places, 2964/2964 transitions.
Applied a total of 0 rules in 17 ms. Remains 400 /400 variables (removed 0) and now considering 2964/2964 (removed 0) transitions.
[2026-05-23 21:08:42] [INFO ] Invariant cache hit.
[2026-05-23 21:08:42] [INFO ] Implicit Places using invariants in 60 ms returned []
[2026-05-23 21:08:42] [INFO ] Invariant cache hit.
[2026-05-23 21:08:43] [INFO ] Implicit Places using invariants and state equation in 412 ms returned []
Implicit Place search using SMT with State Equation took 474 ms to find 0 implicit places.
Skipped dead transition search.
Finished structural reductions in LTL mode , in 1 iterations and 492 ms. Remains : 400/400 places, 2964/2964 transitions.
Computed a total of 0 stabilizing places and 0 stable transitions
Computed a total of 0 stabilizing places and 0 stable transitions
Knowledge based reduction with 1 factoid took 52 ms. Reduced automaton from 6 states, 7 edges and 1 AP (stutter sensitive) to 6 states, 7 edges and 1 AP (stutter sensitive).
RANDOM walk for 18892 steps (3 resets) in 36 ms. (510 steps per ms) remains 0/1 properties
Knowledge based reduction with 1 factoid took 63 ms. Reduced automaton from 6 states, 7 edges and 1 AP (stutter sensitive) to 6 states, 7 edges and 1 AP (stutter sensitive).
Stuttering acceptance computed with spot in 227 ms :[true, false, p0, false, false, false]
Knowledge-based reduction took 386 ms.
Stuttering acceptance computed with spot in 249 ms :[true, false, p0, false, false, false]
Stuttering acceptance computed with spot in 239 ms :[true, false, p0, false, false, false]
Product exploration explored 100000 steps with 25000 reset in 309 ms.
Product exploration explored 100000 steps with 25000 reset in 316 ms.
Spot run failed in 88 ms. Status :1
Traceback (most recent call last):
File "/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/autstates.py", line 2, in
import spot
ModuleNotFoundError: No module named 'spot'
java.io.IOException
at fr.lip6.move.gal.application.runner.spot.SpotRunner.computeForwardClosedSI(SpotRunner.java:551)
at fr.lip6.move.gal.application.solver.ltl.LTLPropertySolver.treatPartialPOR(LTLPropertySolver.java:419)
at fr.lip6.move.gal.application.solver.ltl.LTLPropertySolver.checkLTLProperty(LTLPropertySolver.java:280)
at fr.lip6.move.gal.application.solver.ltl.LTLPropertySolver.runStutteringLTLTest(LTLPropertySolver.java:217)
at fr.lip6.move.gal.application.solver.ltl.LTLPropertySolver.runStructuralLTLCheck(LTLPropertySolver.java:66)
at fr.lip6.move.gal.application.Application.startNoEx(Application.java:849)
at fr.lip6.move.gal.application.Application.start(Application.java:195)
at fr.lip6.move.gal.itscl.application.Application.start(Application.java:44)
at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:219)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:149)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:115)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:467)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:298)
at java.base/jdk.internal.reflect.DirectMethodHandleAccessor.invoke(DirectMethodHandleAccessor.java:103)
at java.base/java.lang.reflect.Method.invoke(Method.java:580)
at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:615)
at org.eclipse.equinox.launcher.Main.basicRun(Main.java:563)
at org.eclipse.equinox.launcher.Main.run(Main.java:1415)
at org.eclipse.equinox.launcher.Main.main(Main.java:1387)
Built C files in :
/tmp/ltsmin9733452536677994763
[2026-05-23 21:08:44] [INFO ] Built C files in 85ms conformant to PINS (ltsmin variant)in folder :/tmp/ltsmin9733452536677994763
Running compilation step : cd /tmp/ltsmin9733452536677994763;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202604301425/bin/limit_time.pl' '3' 'gcc' '-c' '-I/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202604301425/bin/include/' '-I.' '-std=c99' '-fPIC' '-O0' 'model.c'
WARNING : LTS min runner thread failed on error :java.lang.RuntimeException: Compilation or link of executable timed out.java.util.concurrent.TimeoutException: Subprocess running cd /tmp/ltsmin9733452536677994763;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202604301425/bin/limit_time.pl' '3' 'gcc' '-c' '-I/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202604301425/bin/include/' '-I.' '-std=c99' '-fPIC' '-O0' 'model.c' killed by timeout after 3 SECONDS
java.lang.RuntimeException: Compilation or link of executable timed out.java.util.concurrent.TimeoutException: Subprocess running cd /tmp/ltsmin9733452536677994763;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202604301425/bin/limit_time.pl' '3' 'gcc' '-c' '-I/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202604301425/bin/include/' '-I.' '-std=c99' '-fPIC' '-O0' 'model.c' killed by timeout after 3 SECONDS
at fr.lip6.move.gal.application.runner.ltsmin.LTSminRunner$1.run(LTSminRunner.java:94)
at java.base/java.lang.Thread.run(Thread.java:1583)
Support contains 1 out of 400 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 400/400 places, 2964/2964 transitions.
Applied a total of 0 rules in 13 ms. Remains 400 /400 variables (removed 0) and now considering 2964/2964 (removed 0) transitions.
[2026-05-23 21:08:48] [INFO ] Invariant cache hit.
[2026-05-23 21:08:48] [INFO ] Implicit Places using invariants in 63 ms returned []
[2026-05-23 21:08:48] [INFO ] Invariant cache hit.
[2026-05-23 21:08:48] [INFO ] Implicit Places using invariants and state equation in 470 ms returned []
Implicit Place search using SMT with State Equation took 537 ms to find 0 implicit places.
Skipped dead transition search.
Finished structural reductions in LTL mode , in 1 iterations and 552 ms. Remains : 400/400 places, 2964/2964 transitions.
Built C files in :
/tmp/ltsmin7494699109414822024
[2026-05-23 21:08:48] [INFO ] Built C files in 33ms conformant to PINS (ltsmin variant)in folder :/tmp/ltsmin7494699109414822024
Running compilation step : cd /tmp/ltsmin7494699109414822024;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202604301425/bin/limit_time.pl' '3' 'gcc' '-c' '-I/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202604301425/bin/include/' '-I.' '-std=c99' '-fPIC' '-O0' 'model.c'
WARNING : LTS min runner thread failed on error :java.lang.RuntimeException: Compilation or link of executable timed out.java.util.concurrent.TimeoutException: Subprocess running cd /tmp/ltsmin7494699109414822024;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202604301425/bin/limit_time.pl' '3' 'gcc' '-c' '-I/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202604301425/bin/include/' '-I.' '-std=c99' '-fPIC' '-O0' 'model.c' killed by timeout after 3 SECONDS
java.lang.RuntimeException: Compilation or link of executable timed out.java.util.concurrent.TimeoutException: Subprocess running cd /tmp/ltsmin7494699109414822024;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202604301425/bin/limit_time.pl' '3' 'gcc' '-c' '-I/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202604301425/bin/include/' '-I.' '-std=c99' '-fPIC' '-O0' 'model.c' killed by timeout after 3 SECONDS
at fr.lip6.move.gal.application.runner.ltsmin.LTSminRunner$1.run(LTSminRunner.java:94)
at java.base/java.lang.Thread.run(Thread.java:1583)
[2026-05-23 21:08:51] [INFO ] Flatten gal took : 50 ms
[2026-05-23 21:08:51] [INFO ] Flatten gal took : 49 ms
[2026-05-23 21:08:51] [INFO ] Time to serialize gal into /tmp/LTL6000827481812343205.gal : 18 ms
[2026-05-23 21:08:51] [INFO ] Time to serialize properties into /tmp/LTL11511943053769860642.prop : 1 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202604301425/bin/its-ltl-linux64' '--gc-threshold' '2000000' '-i' '/tmp/LTL6000827481812343205.gal' '-t' 'CGAL' '-hoa' '/tmp/aut2246643547391884494.hoa' '-atoms' '/tmp/LTL11511943053769860642.prop' '-c' '-stutter-deadlock' '--gen-order' 'FOLLOW'

its-ltl command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202604301425/bin/its-ltl-linux64 --gc-threshold 2000000 -i /tmp/L...318
Loading property file /tmp/LTL11511943053769860642.prop.
Loaded 1 atomic propositions.
Checking formula 0 provided in automaton : /tmp/aut2246643547391884494.hoa
Reverse transition relation is exact ! Faster fixpoint algorithm enabled.
4 unique states visited
0 strongly connected components in search stack
3 transitions explored
4 items max in DFS search stack
1023 ticks for the emptiness check
Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
STATS,0,10.4269,201420,1,0,8,1.07826e+06,14,0,19690,273257,13
no accepting run found
Formula 0 is TRUE no accepting run found.
FORMULA Diffusion2D-PT-D20N010-LTLFireability-00 TRUE TECHNIQUES KNOWLEDGE HOA DECISION_DIAGRAMS TOPOLOGICAL
Treatment of property Diffusion2D-PT-D20N010-LTLFireability-00 finished in 22718 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(((X(p0)&&G(p1))||G(p0))) U X(p2)))'
Support contains 3 out of 400 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 400/400 places, 2964/2964 transitions.
Applied a total of 0 rules in 12 ms. Remains 400 /400 variables (removed 0) and now considering 2964/2964 (removed 0) transitions.
[2026-05-23 21:09:03] [INFO ] Invariant cache hit.
[2026-05-23 21:09:03] [INFO ] Implicit Places using invariants in 76 ms returned []
[2026-05-23 21:09:03] [INFO ] Invariant cache hit.
[2026-05-23 21:09:03] [INFO ] Implicit Places using invariants and state equation in 481 ms returned []
Implicit Place search using SMT with State Equation took 560 ms to find 0 implicit places.
Skipped dead transition search.
Finished structural reductions in LTL mode , in 1 iterations and 573 ms. Remains : 400/400 places, 2964/2964 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)||(X(p0)&&G(p1)))) U X(p2)))'
Stuttering acceptance computed with spot in 332 ms :[(NOT p2), (AND (NOT p0) (NOT p2)), (NOT p2), (AND (NOT p0) (NOT p2)), (NOT p0), (NOT p0), (AND (NOT p1) (NOT p0))]
Running random walk in product with property : Diffusion2D-PT-D20N010-LTLFireability-01
Product exploration explored 100000 steps with 52 reset in 678 ms.
Stack based approach found an accepted trace after 2169 steps with 0 reset with depth 2170 and stack size 2136 in 18 ms.
FORMULA Diffusion2D-PT-D20N010-LTLFireability-01 FALSE TECHNIQUES STACK_TEST
Treatment of property Diffusion2D-PT-D20N010-LTLFireability-01 finished in 1661 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)))&&F(!p1))))'
Support contains 3 out of 400 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 400/400 places, 2964/2964 transitions.
Applied a total of 0 rules in 12 ms. Remains 400 /400 variables (removed 0) and now considering 2964/2964 (removed 0) transitions.
[2026-05-23 21:09:04] [INFO ] Invariant cache hit.
[2026-05-23 21:09:04] [INFO ] Implicit Places using invariants in 66 ms returned []
[2026-05-23 21:09:04] [INFO ] Invariant cache hit.
[2026-05-23 21:09:05] [INFO ] Implicit Places using invariants and state equation in 462 ms returned []
Implicit Place search using SMT with State Equation took 535 ms to find 0 implicit places.
Skipped dead transition search.
Finished structural reductions in LTL mode , in 1 iterations and 550 ms. Remains : 400/400 places, 2964/2964 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)))&&F(!p1))))'
Stuttering acceptance computed with spot in 264 ms :[true, true, (OR (NOT p1) (NOT p0)), p1, (NOT p1), (NOT p0), true]
Running random walk in product with property : Diffusion2D-PT-D20N010-LTLFireability-04
Entered a terminal (fully accepting) state of product in 3 steps with 0 reset in 2 ms.
FORMULA Diffusion2D-PT-D20N010-LTLFireability-04 FALSE TECHNIQUES STUTTER_TEST
Treatment of property Diffusion2D-PT-D20N010-LTLFireability-04 finished in 863 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(p0)))))'
Support contains 2 out of 400 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 400/400 places, 2964/2964 transitions.
Applied a total of 0 rules in 16 ms. Remains 400 /400 variables (removed 0) and now considering 2964/2964 (removed 0) transitions.
[2026-05-23 21:09:05] [INFO ] Invariant cache hit.
[2026-05-23 21:09:05] [INFO ] Implicit Places using invariants in 59 ms returned []
[2026-05-23 21:09:05] [INFO ] Invariant cache hit.
[2026-05-23 21:09:06] [INFO ] Implicit Places using invariants and state equation in 475 ms returned []
Implicit Place search using SMT with State Equation took 536 ms to find 0 implicit places.
Skipped dead transition search.
Finished structural reductions in LTL mode , in 1 iterations and 554 ms. Remains : 400/400 places, 2964/2964 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 (p1&&X(p0)))))'
Stuttering acceptance computed with spot in 145 ms :[(OR (NOT p0) (NOT p1)), (OR (NOT p0) (NOT p1)), (NOT p0), true]
Running random walk in product with property : Diffusion2D-PT-D20N010-LTLFireability-05
Entered a terminal (fully accepting) state of product in 31296 steps with 7795 reset in 116 ms.
FORMULA Diffusion2D-PT-D20N010-LTLFireability-05 FALSE TECHNIQUES STUTTER_TEST
Treatment of property Diffusion2D-PT-D20N010-LTLFireability-05 finished in 860 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 U (p1||G(p0)))||X(X((G(p0)||(p0&&F(p2)))))))))'
Support contains 3 out of 400 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 400/400 places, 2964/2964 transitions.
Applied a total of 0 rules in 15 ms. Remains 400 /400 variables (removed 0) and now considering 2964/2964 (removed 0) transitions.
[2026-05-23 21:09:06] [INFO ] Invariant cache hit.
[2026-05-23 21:09:06] [INFO ] Implicit Places using invariants in 58 ms returned []
[2026-05-23 21:09:06] [INFO ] Invariant cache hit.
[2026-05-23 21:09:07] [INFO ] Implicit Places using invariants and state equation in 458 ms returned []
Implicit Place search using SMT with State Equation took 520 ms to find 0 implicit places.
Skipped dead transition search.
Finished structural reductions in LTL mode , in 1 iterations and 537 ms. Remains : 400/400 places, 2964/2964 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 U (p1||G(p0)))||X(X((G(p0)||(p0&&F(p2)))))))))'
Stuttering acceptance computed with spot in 626 ms :[(AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1)), (AND (NOT p1) (NOT p0) (NOT p2)), (AND (NOT p1) (NOT p0) (NOT p2)), (AND (NOT p1) (NOT p0) (NOT p2)), (AND (NOT p1) (NOT p0) (NOT p2)), (AND (NOT p1) (NOT p0) (NOT p2)), (AND (NOT p1) (NOT p0) (NOT p2)), (AND (NOT p1) (NOT p0) (NOT p2))]
Running random walk in product with property : Diffusion2D-PT-D20N010-LTLFireability-07
Product exploration explored 100000 steps with 619 reset in 559 ms.
Stack based approach found an accepted trace after 8529 steps with 53 reset with depth 33 and stack size 33 in 46 ms.
FORMULA Diffusion2D-PT-D20N010-LTLFireability-07 FALSE TECHNIQUES STACK_TEST
Treatment of property Diffusion2D-PT-D20N010-LTLFireability-07 finished in 1835 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!((((F(p0) U p1) U X(p2))||G(p3)))'
Support contains 4 out of 400 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 400/400 places, 2964/2964 transitions.
Applied a total of 0 rules in 14 ms. Remains 400 /400 variables (removed 0) and now considering 2964/2964 (removed 0) transitions.
[2026-05-23 21:09:08] [INFO ] Invariant cache hit.
[2026-05-23 21:09:08] [INFO ] Implicit Places using invariants in 61 ms returned []
[2026-05-23 21:09:08] [INFO ] Invariant cache hit.
[2026-05-23 21:09:08] [INFO ] Implicit Places using invariants and state equation in 419 ms returned []
Implicit Place search using SMT with State Equation took 482 ms to find 0 implicit places.
Skipped dead transition search.
Finished structural reductions in LTL mode , in 1 iterations and 498 ms. Remains : 400/400 places, 2964/2964 transitions.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!((((F(p0) U p1) U X(p2))||G(p3)))'
Stuttering acceptance computed with spot in 480 ms :[(AND (NOT p2) (NOT p3)), (AND p1 (NOT p0) (NOT p2)), (AND (NOT p1) (NOT p2)), (NOT p2), (AND (NOT p0) p1 (NOT p3) (NOT p2)), (AND (NOT p1) (NOT p2) (NOT p3)), (AND (NOT p2) (NOT p3)), (NOT p0), (NOT p1), (AND (NOT p0) (NOT p3)), (AND (NOT p1) (NOT p3))]
Running random walk in product with property : Diffusion2D-PT-D20N010-LTLFireability-08
Product exploration explored 100000 steps with 131 reset in 582 ms.
Stack based approach found an accepted trace after 74 steps with 1 reset with depth 73 and stack size 72 in 0 ms.
FORMULA Diffusion2D-PT-D20N010-LTLFireability-08 FALSE TECHNIQUES STACK_TEST
Treatment of property Diffusion2D-PT-D20N010-LTLFireability-08 finished in 1617 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 400 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 400/400 places, 2964/2964 transitions.
Graph (trivial) has 2948 edges and 400 vertex of which 399 / 400 are part of one of the 1 SCC in 4 ms
Free SCC test removed 398 places
Ensure Unique test removed 2961 transitions
Reduce isomorphic transitions removed 2961 transitions.
Applied a total of 1 rules in 16 ms. Remains 2 /400 variables (removed 398) and now considering 3/2964 (removed 2961) transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-14575635557963371521.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-14489351299194314278.kers'
[2026-05-23 21:09:10] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-14575635557963371521.kers, --Pflows, --basisKERS=/tmp/petrispot-output-14489351299194314278.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 21:09:10] [INFO ] Computed 1 invariants in 0 ms
Computed 1 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-14489351299194314278.kers
Total runtime 0 ms.
[2026-05-23 21:09:10] [INFO ] Implicit Places using invariants in 27 ms returned []
[2026-05-23 21:09:10] [INFO ] Invariant cache hit.
[2026-05-23 21:09:10] [INFO ] Implicit Places using invariants and state equation in 17 ms returned []
Implicit Place search using SMT with State Equation took 46 ms to find 0 implicit places.
[2026-05-23 21:09:10] [INFO ] Redundant transitions in 0 ms returned []
Running 1 sub problems to find dead transitions.
[2026-05-23 21:09:10] [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 44 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 43 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 91ms problems are : Problem set: 0 solved, 1 unsolved
Search for dead transitions found 0 dead transitions in 91ms
Starting structural reductions in SI_LTL mode, iteration 1 : 2/400 places, 3/2964 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 158 ms. Remains : 2/400 places, 3/2964 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 66 ms :[(NOT p0), (NOT p0)]
Running random walk in product with property : Diffusion2D-PT-D20N010-LTLFireability-09
Stuttering criterion allowed to conclude after 0 steps with 0 reset in 0 ms.
FORMULA Diffusion2D-PT-D20N010-LTLFireability-09 FALSE TECHNIQUES STUTTER_TEST
Treatment of property Diffusion2D-PT-D20N010-LTLFireability-09 finished in 258 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(G(F((p0||G(p1)))))'
Support contains 2 out of 400 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 400/400 places, 2964/2964 transitions.
Graph (trivial) has 2932 edges and 400 vertex of which 398 / 400 are part of one of the 1 SCC in 8 ms
Free SCC test removed 397 places
Ensure Unique test removed 2959 transitions
Reduce isomorphic transitions removed 2959 transitions.
Applied a total of 1 rules in 16 ms. Remains 3 /400 variables (removed 397) and now considering 5/2964 (removed 2959) transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-10630986257540392686.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-2255404209734102214.kers'
[2026-05-23 21:09:10] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-10630986257540392686.kers, --Pflows, --basisKERS=/tmp/petrispot-output-2255404209734102214.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 21:09:10] [INFO ] Computed 1 invariants in 0 ms
Computed 1 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-2255404209734102214.kers
Total runtime 0 ms.
[2026-05-23 21:09:10] [INFO ] Implicit Places using invariants in 26 ms returned []
[2026-05-23 21:09:10] [INFO ] Invariant cache hit.
[2026-05-23 21:09:10] [INFO ] Implicit Places using invariants and state equation in 18 ms returned []
Implicit Place search using SMT with State Equation took 46 ms to find 0 implicit places.
[2026-05-23 21:09:10] [INFO ] Redundant transitions in 0 ms returned []
Running 2 sub problems to find dead transitions.
[2026-05-23 21:09:10] [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 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 62ms problems are : Problem set: 0 solved, 2 unsolved
Search for dead transitions found 0 dead transitions in 62ms
Starting structural reductions in SI_LTL mode, iteration 1 : 3/400 places, 5/2964 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 131 ms. Remains : 3/400 places, 5/2964 transitions.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(G(F((p0||G(p1)))))'
Stuttering acceptance computed with spot in 57 ms :[(AND (NOT p1) (NOT p0)), (AND (NOT p1) (NOT p0))]
Running random walk in product with property : Diffusion2D-PT-D20N010-LTLFireability-10
Stuttering criterion allowed to conclude after 0 steps with 0 reset in 0 ms.
FORMULA Diffusion2D-PT-D20N010-LTLFireability-10 FALSE TECHNIQUES STUTTER_TEST
Treatment of property Diffusion2D-PT-D20N010-LTLFireability-10 finished in 218 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))) U p2))'
Support contains 4 out of 400 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 400/400 places, 2964/2964 transitions.
Applied a total of 0 rules in 18 ms. Remains 400 /400 variables (removed 0) and now considering 2964/2964 (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-13929548893807435513.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-117564761030729412.kers'
[2026-05-23 21:09:10] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-13929548893807435513.kers, --Pflows, --basisKERS=/tmp/petrispot-output-117564761030729412.kers]
Culled 0 columns in 1 ms.
// Phase 1: matrix 2964 rows 400 cols 5928 entries
Finished phase 1 with 399 SingleSign rule and 0 generalized
[2026-05-23 21:09:10] [INFO ] Computed 1 invariants in 12 ms
Computed 1 P flows in 13 ms.
Exported basis to /tmp/petrispot-output-117564761030729412.kers
Total runtime 15 ms.
[2026-05-23 21:09:10] [INFO ] Implicit Places using invariants in 72 ms returned []
[2026-05-23 21:09:10] [INFO ] Invariant cache hit.
[2026-05-23 21:09:10] [INFO ] Implicit Places using invariants and state equation in 401 ms returned []
Implicit Place search using SMT with State Equation took 475 ms to find 0 implicit places.
Running 2956 sub problems to find dead transitions.
[2026-05-23 21:09:10] [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 399/3364 variables, and 0 constraints, problems are : Problem set: 0 solved, 2956 unsolved in 30042 ms.
Refiners :[Positive P Invariants (semi-flows): 0/1 constraints, State Equation: 0/400 constraints, PredecessorRefiner: 2956/2956 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 2956 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 399/3364 variables, and 0 constraints, problems are : Problem set: 0 solved, 2956 unsolved in 30045 ms.
Refiners :[Positive P Invariants (semi-flows): 0/1 constraints, State Equation: 0/400 constraints, PredecessorRefiner: 0/2956 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 61031ms problems are : Problem set: 0 solved, 2956 unsolved
Search for dead transitions found 0 dead transitions in 61036ms
Finished structural reductions in LTL mode , in 1 iterations and 61541 ms. Remains : 400/400 places, 2964/2964 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))) U p2))'
Stuttering acceptance computed with spot in 181 ms :[(NOT p2), (NOT p1), (AND (NOT p1) (NOT p0)), true, (NOT p0)]
Running random walk in product with property : Diffusion2D-PT-D20N010-LTLFireability-12
Entered a terminal (fully accepting) state of product in 1 steps with 0 reset in 1 ms.
FORMULA Diffusion2D-PT-D20N010-LTLFireability-12 FALSE TECHNIQUES STUTTER_TEST
Treatment of property Diffusion2D-PT-D20N010-LTLFireability-12 finished in 61767 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 400 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 400/400 places, 2964/2964 transitions.
Graph (trivial) has 2948 edges and 400 vertex of which 399 / 400 are part of one of the 1 SCC in 6 ms
Free SCC test removed 398 places
Ensure Unique test removed 2961 transitions
Reduce isomorphic transitions removed 2961 transitions.
Applied a total of 1 rules in 12 ms. Remains 2 /400 variables (removed 398) and now considering 3/2964 (removed 2961) transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-9858347404449987316.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-11467121575578766819.kers'
[2026-05-23 21:10:12] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-9858347404449987316.kers, --Pflows, --basisKERS=/tmp/petrispot-output-11467121575578766819.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 21:10:12] [INFO ] Computed 1 invariants in 0 ms
Computed 1 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-11467121575578766819.kers
Total runtime 0 ms.
[2026-05-23 21:10:12] [INFO ] Implicit Places using invariants in 20 ms returned []
[2026-05-23 21:10:12] [INFO ] Invariant cache hit.
[2026-05-23 21:10:12] [INFO ] Implicit Places using invariants and state equation in 18 ms returned []
Implicit Place search using SMT with State Equation took 42 ms to find 0 implicit places.
[2026-05-23 21:10:12] [INFO ] Redundant transitions in 0 ms returned []
Running 1 sub problems to find dead transitions.
[2026-05-23 21:10:12] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 1/2 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/2 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 2/4 variables, 2/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/4 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 0/4 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 4/5 variables, and 3 constraints, problems are : Problem set: 0 solved, 1 unsolved in 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]
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 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]
After SMT, in 45ms problems are : Problem set: 0 solved, 1 unsolved
Search for dead transitions found 0 dead transitions in 45ms
Starting structural reductions in SI_LTL mode, iteration 1 : 2/400 places, 3/2964 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 108 ms. Remains : 2/400 places, 3/2964 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 44 ms :[(NOT p0)]
Running random walk in product with property : Diffusion2D-PT-D20N010-LTLFireability-14
Stuttering criterion allowed to conclude after 0 steps with 0 reset in 0 ms.
FORMULA Diffusion2D-PT-D20N010-LTLFireability-14 FALSE TECHNIQUES STUTTER_TEST
Treatment of property Diffusion2D-PT-D20N010-LTLFireability-14 finished in 175 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((X(X(X(p0)))||(X(G(p1))&&G(p2)))))'
Support contains 3 out of 400 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 400/400 places, 2964/2964 transitions.
Applied a total of 0 rules in 10 ms. Remains 400 /400 variables (removed 0) and now considering 2964/2964 (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-6792337947985260295.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-8886053093789752400.kers'
[2026-05-23 21:10:12] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-6792337947985260295.kers, --Pflows, --basisKERS=/tmp/petrispot-output-8886053093789752400.kers]
Culled 0 columns in 2 ms.
// Phase 1: matrix 2964 rows 400 cols 5928 entries
Finished phase 1 with 399 SingleSign rule and 0 generalized
[2026-05-23 21:10:12] [INFO ] Computed 1 invariants in 18 ms
Computed 1 P flows in 19 ms.
Exported basis to /tmp/petrispot-output-8886053093789752400.kers
Total runtime 25 ms.
[2026-05-23 21:10:12] [INFO ] Implicit Places using invariants in 96 ms returned []
[2026-05-23 21:10:12] [INFO ] Invariant cache hit.
[2026-05-23 21:10:12] [INFO ] Implicit Places using invariants and state equation in 460 ms returned []
Implicit Place search using SMT with State Equation took 558 ms to find 0 implicit places.
Running 2956 sub problems to find dead transitions.
[2026-05-23 21:10:12] [INFO ] Invariant cache hit.
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 399/3364 variables, and 0 constraints, problems are : Problem set: 0 solved, 2956 unsolved in 30039 ms.
Refiners :[Positive P Invariants (semi-flows): 0/1 constraints, State Equation: 0/400 constraints, PredecessorRefiner: 2956/2956 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 2956 unsolved
Error getting values : (error "Timeout of Z3 solver reached")
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 399/3364 variables, and 0 constraints, problems are : Problem set: 0 solved, 2956 unsolved in 30044 ms.
Refiners :[Positive P Invariants (semi-flows): 0/1 constraints, State Equation: 0/400 constraints, PredecessorRefiner: 0/2956 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60896ms problems are : Problem set: 0 solved, 2956 unsolved
Search for dead transitions found 0 dead transitions in 60901ms
Finished structural reductions in LTL mode , in 1 iterations and 61478 ms. Remains : 400/400 places, 2964/2964 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((X(X(X(p0)))||(X(G(p1))&&G(p2)))))'
Stuttering acceptance computed with spot in 285 ms :[(OR (AND (NOT p0) (NOT p2)) (AND (NOT p0) (NOT p1))), (OR (AND (NOT p0) (NOT p2)) (AND (NOT p0) (NOT p1))), (OR (AND (NOT p0) (NOT p2)) (AND (NOT p0) (NOT p1))), (OR (AND (NOT p0) (NOT p2)) (AND (NOT p0) (NOT p1))), (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p2))]
Running random walk in product with property : Diffusion2D-PT-D20N010-LTLFireability-15
Product exploration explored 100000 steps with 25000 reset in 335 ms.
Product exploration explored 100000 steps with 25000 reset in 322 ms.
Computed a total of 0 stabilizing places and 0 stable transitions
Computed a total of 0 stabilizing places and 0 stable transitions
Knowledge based reduction with 2 factoid took 65 ms. Reduced automaton from 6 states, 14 edges and 3 AP (stutter sensitive) to 6 states, 12 edges and 3 AP (stutter sensitive).
Reduction of identical properties reduced properties to check from 8 to 7
RANDOM walk for 40008 steps (8 resets) in 114 ms. (347 steps per ms) remains 3/7 properties
BEST_FIRST walk for 40004 steps (8 resets) in 241 ms. (165 steps per ms) remains 3/3 properties
BEST_FIRST walk for 40004 steps (8 resets) in 179 ms. (222 steps per ms) remains 3/3 properties
BEST_FIRST walk for 40004 steps (8 resets) in 202 ms. (197 steps per ms) remains 3/3 properties
[2026-05-23 21:11:15] [INFO ] Invariant cache hit.
Problem apf2 is UNSAT
Problem apf6 is UNSAT
At refinement iteration 0 (INCLUDED_ONLY) 0/3 variables, 0/0 constraints. Problems are: Problem set: 2 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 397/400 variables, 1/1 constraints. Problems are: Problem set: 2 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/400 variables, 0/1 constraints. Problems are: Problem set: 2 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 2964/3364 variables, 400/401 constraints. Problems are: Problem set: 2 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/3364 variables, 0/401 constraints. Problems are: Problem set: 2 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 0/3364 variables, 0/401 constraints. Problems are: Problem set: 2 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 3364/3364 variables, and 401 constraints, problems are : Problem set: 2 solved, 1 unsolved in 781 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 400/400 constraints, PredecessorRefiner: 3/3 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 2 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/3 variables, 0/0 constraints. Problems are: Problem set: 2 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 397/400 variables, 1/1 constraints. Problems are: Problem set: 2 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/400 variables, 0/1 constraints. Problems are: Problem set: 2 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 2964/3364 variables, 400/401 constraints. Problems are: Problem set: 2 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/3364 variables, 1/402 constraints. Problems are: Problem set: 2 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/3364 variables, 0/402 constraints. Problems are: Problem set: 2 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 0/3364 variables, 0/402 constraints. Problems are: Problem set: 2 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 3364/3364 variables, and 402 constraints, problems are : Problem set: 2 solved, 1 unsolved in 783 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 400/400 constraints, PredecessorRefiner: 1/3 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 1578ms problems are : Problem set: 2 solved, 1 unsolved
Finished Parikh walk after 1241 steps, including 0 resets, run visited all 1 properties in 11 ms. (steps per millisecond=112 )
Parikh walk visited 1 properties in 15 ms.
Found 2 invariant AP formulas.
Knowledge based reduction with 4 factoid took 125 ms. Reduced automaton from 6 states, 12 edges and 3 AP (stutter sensitive) to 4 states, 5 edges and 2 AP (stutter sensitive).
Stuttering acceptance computed with spot in 164 ms :[(AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1))]
Knowledge-based reduction took 2192 ms.
Stuttering acceptance computed with spot in 171 ms :[(AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1))]
Support contains 3 out of 400 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 400/400 places, 2964/2964 transitions.
Applied a total of 0 rules in 21 ms. Remains 400 /400 variables (removed 0) and now considering 2964/2964 (removed 0) transitions.
[2026-05-23 21:11:17] [INFO ] Invariant cache hit.
[2026-05-23 21:11:17] [INFO ] Implicit Places using invariants in 50 ms returned []
[2026-05-23 21:11:17] [INFO ] Invariant cache hit.
[2026-05-23 21:11:17] [INFO ] Implicit Places using invariants and state equation in 418 ms returned []
Implicit Place search using SMT with State Equation took 470 ms to find 0 implicit places.
Skipped dead transition search.
Finished structural reductions in LTL mode , in 1 iterations and 491 ms. Remains : 400/400 places, 2964/2964 transitions.
Computed a total of 0 stabilizing places and 0 stable transitions
Computed a total of 0 stabilizing places and 0 stable transitions
Knowledge based reduction with 1 factoid took 41 ms. Reduced automaton from 4 states, 5 edges and 2 AP (stutter sensitive) to 4 states, 5 edges and 2 AP (stutter sensitive).
RANDOM walk for 40007 steps (8 resets) in 83 ms. (476 steps per ms) remains 1/4 properties
BEST_FIRST walk for 40004 steps (8 resets) in 40 ms. (975 steps per ms) remains 1/1 properties
[2026-05-23 21:11:17] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/3 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 397/400 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/400 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 2964/3364 variables, 400/401 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/3364 variables, 0/401 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 0/3364 variables, 0/401 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 3364/3364 variables, and 401 constraints, problems are : Problem set: 0 solved, 1 unsolved in 745 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 400/400 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) 0/3 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 397/400 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/400 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 2964/3364 variables, 400/401 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/3364 variables, 1/402 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/3364 variables, 0/402 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 0/3364 variables, 0/402 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 3364/3364 variables, and 402 constraints, problems are : Problem set: 0 solved, 1 unsolved in 770 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 400/400 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 1525ms problems are : Problem set: 0 solved, 1 unsolved
Finished Parikh walk after 1194 steps, including 0 resets, run visited all 1 properties in 6 ms. (steps per millisecond=199 )
Parikh walk visited 1 properties in 6 ms.
Knowledge based reduction with 1 factoid took 109 ms. Reduced automaton from 4 states, 5 edges and 2 AP (stutter sensitive) to 4 states, 5 edges and 2 AP (stutter sensitive).
Stuttering acceptance computed with spot in 146 ms :[(AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1))]
Knowledge-based reduction took 1888 ms.
Stuttering acceptance computed with spot in 159 ms :[(AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1))]
Stuttering acceptance computed with spot in 183 ms :[(AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1))]
Product exploration explored 100000 steps with 25000 reset in 256 ms.
Product exploration explored 100000 steps with 25000 reset in 254 ms.
Spot run failed in 50 ms. Status :1
Traceback (most recent call last):
File "/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/autstates.py", line 2, in
import spot
ModuleNotFoundError: No module named 'spot'
java.io.IOException
at fr.lip6.move.gal.application.runner.spot.SpotRunner.computeForwardClosedSI(SpotRunner.java:551)
at fr.lip6.move.gal.application.solver.ltl.LTLPropertySolver.treatPartialPOR(LTLPropertySolver.java:419)
at fr.lip6.move.gal.application.solver.ltl.LTLPropertySolver.checkLTLProperty(LTLPropertySolver.java:280)
at fr.lip6.move.gal.application.solver.ltl.LTLPropertySolver.runStutteringLTLTest(LTLPropertySolver.java:217)
at fr.lip6.move.gal.application.solver.ltl.LTLPropertySolver.runStructuralLTLCheck(LTLPropertySolver.java:66)
at fr.lip6.move.gal.application.Application.startNoEx(Application.java:849)
at fr.lip6.move.gal.application.Application.start(Application.java:195)
at fr.lip6.move.gal.itscl.application.Application.start(Application.java:44)
at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:219)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:149)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:115)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:467)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:298)
at java.base/jdk.internal.reflect.DirectMethodHandleAccessor.invoke(DirectMethodHandleAccessor.java:103)
at java.base/java.lang.reflect.Method.invoke(Method.java:580)
at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:615)
at org.eclipse.equinox.launcher.Main.basicRun(Main.java:563)
at org.eclipse.equinox.launcher.Main.run(Main.java:1415)
at org.eclipse.equinox.launcher.Main.main(Main.java:1387)
Built C files in :
/tmp/ltsmin2021644081137402305
[2026-05-23 21:11:20] [INFO ] Built C files in 23ms conformant to PINS (ltsmin variant)in folder :/tmp/ltsmin2021644081137402305
Running compilation step : cd /tmp/ltsmin2021644081137402305;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202604301425/bin/limit_time.pl' '3' 'gcc' '-c' '-I/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202604301425/bin/include/' '-I.' '-std=c99' '-fPIC' '-O0' 'model.c'
WARNING : LTS min runner thread failed on error :java.lang.RuntimeException: Compilation or link of executable timed out.java.util.concurrent.TimeoutException: Subprocess running cd /tmp/ltsmin2021644081137402305;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202604301425/bin/limit_time.pl' '3' 'gcc' '-c' '-I/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202604301425/bin/include/' '-I.' '-std=c99' '-fPIC' '-O0' 'model.c' killed by timeout after 3 SECONDS
java.lang.RuntimeException: Compilation or link of executable timed out.java.util.concurrent.TimeoutException: Subprocess running cd /tmp/ltsmin2021644081137402305;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202604301425/bin/limit_time.pl' '3' 'gcc' '-c' '-I/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202604301425/bin/include/' '-I.' '-std=c99' '-fPIC' '-O0' 'model.c' killed by timeout after 3 SECONDS
at fr.lip6.move.gal.application.runner.ltsmin.LTSminRunner$1.run(LTSminRunner.java:94)
at java.base/java.lang.Thread.run(Thread.java:1583)
Support contains 3 out of 400 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 400/400 places, 2964/2964 transitions.
Applied a total of 0 rules in 16 ms. Remains 400 /400 variables (removed 0) and now considering 2964/2964 (removed 0) transitions.
[2026-05-23 21:11:23] [INFO ] Invariant cache hit.
[2026-05-23 21:11:23] [INFO ] Implicit Places using invariants in 60 ms returned []
[2026-05-23 21:11:23] [INFO ] Invariant cache hit.
[2026-05-23 21:11:24] [INFO ] Implicit Places using invariants and state equation in 461 ms returned []
Implicit Place search using SMT with State Equation took 523 ms to find 0 implicit places.
Skipped dead transition search.
Finished structural reductions in LTL mode , in 1 iterations and 540 ms. Remains : 400/400 places, 2964/2964 transitions.
Built C files in :
/tmp/ltsmin1501641810261400482
[2026-05-23 21:11:24] [INFO ] Built C files in 30ms conformant to PINS (ltsmin variant)in folder :/tmp/ltsmin1501641810261400482
Running compilation step : cd /tmp/ltsmin1501641810261400482;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202604301425/bin/limit_time.pl' '3' 'gcc' '-c' '-I/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202604301425/bin/include/' '-I.' '-std=c99' '-fPIC' '-O0' 'model.c'
WARNING : LTS min runner thread failed on error :java.lang.RuntimeException: Compilation or link of executable timed out.java.util.concurrent.TimeoutException: Subprocess running cd /tmp/ltsmin1501641810261400482;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202604301425/bin/limit_time.pl' '3' 'gcc' '-c' '-I/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202604301425/bin/include/' '-I.' '-std=c99' '-fPIC' '-O0' 'model.c' killed by timeout after 3 SECONDS
java.lang.RuntimeException: Compilation or link of executable timed out.java.util.concurrent.TimeoutException: Subprocess running cd /tmp/ltsmin1501641810261400482;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202604301425/bin/limit_time.pl' '3' 'gcc' '-c' '-I/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202604301425/bin/include/' '-I.' '-std=c99' '-fPIC' '-O0' 'model.c' killed by timeout after 3 SECONDS
at fr.lip6.move.gal.application.runner.ltsmin.LTSminRunner$1.run(LTSminRunner.java:94)
at java.base/java.lang.Thread.run(Thread.java:1583)
[2026-05-23 21:11:27] [INFO ] Flatten gal took : 40 ms
[2026-05-23 21:11:27] [INFO ] Flatten gal took : 39 ms
[2026-05-23 21:11:27] [INFO ] Time to serialize gal into /tmp/LTL4882344033403090745.gal : 10 ms
[2026-05-23 21:11:27] [INFO ] Time to serialize properties into /tmp/LTL597100270642785636.prop : 1 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202604301425/bin/its-ltl-linux64' '--gc-threshold' '2000000' '-i' '/tmp/LTL4882344033403090745.gal' '-t' 'CGAL' '-hoa' '/tmp/aut15661829422884566443.hoa' '-atoms' '/tmp/LTL597100270642785636.prop' '-c' '-stutter-deadlock' '--gen-order' 'FOLLOW'

its-ltl command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202604301425/bin/its-ltl-linux64 --gc-threshold 2000000 -i /tmp/L...317
Loading property file /tmp/LTL597100270642785636.prop.
Loaded 2 atomic propositions.
Checking formula 0 provided in automaton : /tmp/aut15661829422884566443.hoa
Reverse transition relation is exact ! Faster fixpoint algorithm enabled.
4 unique states visited
0 strongly connected components in search stack
3 transitions explored
4 items max in DFS search stack
1025 ticks for the emptiness check
Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
STATS,0,10.4074,201364,1,0,8,1.07826e+06,30,0,19700,273257,19
no accepting run found
Formula 0 is TRUE no accepting run found.
FORMULA Diffusion2D-PT-D20N010-LTLFireability-15 TRUE TECHNIQUES KNOWLEDGE HOA DECISION_DIAGRAMS TOPOLOGICAL
Treatment of property Diffusion2D-PT-D20N010-LTLFireability-15 finished in 86076 ms.
All properties solved by simple procedures.
Total runtime 242424 ms.

BK_STOP 1779570698532

--------------------
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-D20N010"
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-D20N010, 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-177955695400108"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/Diffusion2D-PT-D20N010.tgz
mv Diffusion2D-PT-D20N010 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 ;