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.r130-smll-177955809100420.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 FlexibleBarrier-PT-18a, examination is LTLFireability
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r130-smll-177955809100420
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 624K
-rw-r--r-- 1 mcc users 5.2K Mar 7 06:44 CTLCardinality.txt
-rw-r--r-- 1 mcc users 48K Mar 7 06:44 CTLCardinality.xml
-rw-r--r-- 1 mcc users 6.1K Mar 7 06:40 CTLFireability.txt
-rw-r--r-- 1 mcc users 57K Mar 7 06:40 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K Mar 3 18:30 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 6.5K Mar 3 18:30 GenericPropertiesVerdict.xml
-rw-r--r-- 1 mcc users 3.9K Mar 15 10:14 LTLCardinality.txt
-rw-r--r-- 1 mcc users 29K Mar 15 10:14 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.2K Mar 15 10:14 LTLFireability.txt
-rw-r--r-- 1 mcc users 16K Mar 15 10:14 LTLFireability.xml
-rw-r--r-- 1 mcc users 6.5K Mar 7 06:44 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 58K Mar 7 06:44 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 7.4K Mar 7 06:44 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 61K Mar 7 06:44 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.7K Mar 15 10:14 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.7K Mar 15 10:14 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 Mar 3 18:30 equiv_col
-rw-r--r-- 1 mcc users 4 Mar 3 18:30 instance
-rw-r--r-- 1 mcc users 6 Mar 3 18:30 iscolored
-rw-r--r-- 1 mcc users 265K 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 FlexibleBarrier-PT-18a-LTLFireability-00
FORMULA_NAME FlexibleBarrier-PT-18a-LTLFireability-01
FORMULA_NAME FlexibleBarrier-PT-18a-LTLFireability-02
FORMULA_NAME FlexibleBarrier-PT-18a-LTLFireability-03
FORMULA_NAME FlexibleBarrier-PT-18a-LTLFireability-04
FORMULA_NAME FlexibleBarrier-PT-18a-LTLFireability-05
FORMULA_NAME FlexibleBarrier-PT-18a-LTLFireability-06
FORMULA_NAME FlexibleBarrier-PT-18a-LTLFireability-07
FORMULA_NAME FlexibleBarrier-PT-18a-LTLFireability-08
FORMULA_NAME FlexibleBarrier-PT-18a-LTLFireability-09
FORMULA_NAME FlexibleBarrier-PT-18a-LTLFireability-10
FORMULA_NAME FlexibleBarrier-PT-18a-LTLFireability-11
FORMULA_NAME FlexibleBarrier-PT-18a-LTLFireability-12
FORMULA_NAME FlexibleBarrier-PT-18a-LTLFireability-13
FORMULA_NAME FlexibleBarrier-PT-18a-LTLFireability-14
FORMULA_NAME FlexibleBarrier-PT-18a-LTLFireability-15

=== Now, execution of the tool begins

BK_START 1779915886358

Invoking MCC driver with
BK_TOOL=itstools
BK_EXAMINATION=LTLFireability
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=FlexibleBarrier-PT-18a
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
LTLFireability PT
Running Version 202604301425
[2026-05-27 21:04:48] [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]
[2026-05-27 21:04:48] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-05-27 21:04:49] [INFO ] Load time of PNML (sax parser for PT used): 193 ms
[2026-05-27 21:04:49] [INFO ] Transformed 219 places.
[2026-05-27 21:04:49] [INFO ] Transformed 886 transitions.
[2026-05-27 21:04:49] [INFO ] Found NUPN structural information;
[2026-05-27 21:04:49] [INFO ] Parsed PT model containing 219 places and 886 transitions and 4355 arcs in 416 ms.
Parsed 16 properties from file /home/mcc/execution/LTLFireability.xml in 15 ms.
Working with output stream class java.io.PrintStream
Initial state reduction rules removed 2 formulas.
Ensure Unique test removed 290 transitions
Reduce redundant transitions removed 290 transitions.
FORMULA FlexibleBarrier-PT-18a-LTLFireability-03 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA FlexibleBarrier-PT-18a-LTLFireability-04 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Support contains 40 out of 219 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 219/219 places, 596/596 transitions.
Drop transitions (Redundant composition of simpler transitions.) removed 18 transitions
Redundant transition composition rules discarded 18 transitions
Iterating global reduction 0 with 18 rules applied. Total rules applied 18 place count 219 transition count 578
Applied a total of 18 rules in 82 ms. Remains 219 /219 variables (removed 0) and now considering 578/596 (removed 18) transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-2060553397721289337.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-14834677751416263254.kers'
[2026-05-27 21:04:49] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-2060553397721289337.kers, --Pflows, --basisKERS=/tmp/petrispot-output-14834677751416263254.kers]
Culling duplicate invariants (modulo rational): removing 2 columns.
Culled 2 columns in 0 ms.
// Phase 1: matrix 578 rows 217 cols 1751 entries
Finished phase 1 with 199 SingleSign rule and 0 generalized
[2026-05-27 21:04:49] [INFO ] Computed 20 invariants in 2 ms
Computed 20 P flows in 4 ms.
Exported basis to /tmp/petrispot-output-14834677751416263254.kers
Total runtime 5 ms.
[2026-05-27 21:04:50] [INFO ] Implicit Places using invariants in 615 ms returned []
[2026-05-27 21:04:50] [INFO ] Invariant cache hit.
[2026-05-27 21:04:50] [INFO ] State equation strengthened by 397 read => feed constraints.
[2026-05-27 21:04:50] [INFO ] Implicit Places using invariants and state equation in 829 ms returned []
Implicit Place search using SMT with State Equation took 1508 ms to find 0 implicit places.
Running 577 sub problems to find dead transitions.
[2026-05-27 21:04:51] [INFO ] Invariant cache hit.
[2026-05-27 21:04:51] [INFO ] State equation strengthened by 397 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/218 variables, 218/218 constraints. Problems are: Problem set: 0 solved, 577 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/218 variables, 0/218 constraints. Problems are: Problem set: 0 solved, 577 unsolved
At refinement iteration 2 (OVERLAPS) 1/219 variables, 20/238 constraints. Problems are: Problem set: 0 solved, 577 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/219 variables, 1/239 constraints. Problems are: Problem set: 0 solved, 577 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/219 variables, 0/239 constraints. Problems are: Problem set: 0 solved, 577 unsolved
At refinement iteration 5 (OVERLAPS) 578/797 variables, 219/458 constraints. Problems are: Problem set: 0 solved, 577 unsolved
Error getting values : (error "Timeout of Z3 solver reached")
At refinement iteration 6 (INCLUDED_ONLY) 0/797 variables, 397/855 constraints. Problems are: Problem set: 0 solved, 577 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 797/797 variables, and 855 constraints, problems are : Problem set: 0 solved, 577 unsolved in 30049 ms.
Refiners :[Domain max(s): 219/219 constraints, Positive P Invariants (semi-flows): 20/20 constraints, State Equation: 219/219 constraints, ReadFeed: 397/397 constraints, PredecessorRefiner: 577/577 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 577 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/218 variables, 218/218 constraints. Problems are: Problem set: 0 solved, 577 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/218 variables, 0/218 constraints. Problems are: Problem set: 0 solved, 577 unsolved
At refinement iteration 2 (OVERLAPS) 1/219 variables, 20/238 constraints. Problems are: Problem set: 0 solved, 577 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/219 variables, 1/239 constraints. Problems are: Problem set: 0 solved, 577 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/219 variables, 0/239 constraints. Problems are: Problem set: 0 solved, 577 unsolved
At refinement iteration 5 (OVERLAPS) 578/797 variables, 219/458 constraints. Problems are: Problem set: 0 solved, 577 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/797 variables, 397/855 constraints. Problems are: Problem set: 0 solved, 577 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/797 variables, 577/1432 constraints. Problems are: Problem set: 0 solved, 577 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 797/797 variables, and 1432 constraints, problems are : Problem set: 0 solved, 577 unsolved in 30040 ms.
Refiners :[Domain max(s): 219/219 constraints, Positive P Invariants (semi-flows): 20/20 constraints, State Equation: 219/219 constraints, ReadFeed: 397/397 constraints, PredecessorRefiner: 577/577 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60780ms problems are : Problem set: 0 solved, 577 unsolved
Search for dead transitions found 0 dead transitions in 60813ms
Starting structural reductions in LTL mode, iteration 1 : 219/219 places, 578/596 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 62482 ms. Remains : 219/219 places, 578/596 transitions.
Starting structural reductions in LTL mode, iteration 0 : 219/219 places, 578/578 transitions.
Applied a total of 0 rules in 23 ms. Remains 219 /219 variables (removed 0) and now considering 578/578 (removed 0) transitions.
[2026-05-27 21:05:51] [INFO ] Invariant cache hit.
[2026-05-27 21:05:52] [INFO ] Implicit Places using invariants in 239 ms returned []
[2026-05-27 21:05:52] [INFO ] Invariant cache hit.
[2026-05-27 21:05:52] [INFO ] State equation strengthened by 397 read => feed constraints.
[2026-05-27 21:05:52] [INFO ] Implicit Places using invariants and state equation in 610 ms returned []
Implicit Place search using SMT with State Equation took 851 ms to find 0 implicit places.
Skipped dead transition search.
Finished structural reductions in LTL mode , in 1 iterations and 876 ms. Remains : 219/219 places, 578/578 transitions.
Support contains 40 out of 219 places after structural reductions.
[2026-05-27 21:05:53] [INFO ] Flatten gal took : 135 ms
[2026-05-27 21:05:53] [INFO ] Flatten gal took : 77 ms
[2026-05-27 21:05:53] [INFO ] Input system was already deterministic with 578 transitions.
Reduction of identical properties reduced properties to check from 32 to 31
RANDOM walk for 4531 steps (0 resets) in 632 ms. (7 steps per ms) remains 0/31 properties
FORMULA FlexibleBarrier-PT-18a-LTLFireability-07 FALSE TECHNIQUES REACHABILITY_KNOWLEDGE
Computed a total of 3 stabilizing places and 1 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' '!(F(G((X((X(X(X(p0)))||X(G(p1))))||X(p0)))))'
Support contains 4 out of 219 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 219/219 places, 578/578 transitions.
Applied a total of 0 rules in 11 ms. Remains 219 /219 variables (removed 0) and now considering 578/578 (removed 0) transitions.
[2026-05-27 21:05:54] [INFO ] Invariant cache hit.
[2026-05-27 21:05:54] [INFO ] Implicit Places using invariants in 368 ms returned [218]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 372 ms to find 1 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 218/219 places, 578/578 transitions.
Applied a total of 0 rules in 10 ms. Remains 218 /218 variables (removed 0) and now considering 578/578 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 395 ms. Remains : 218/219 places, 578/578 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((X((X(X(X(p0)))||X(G(p1))))||X(p0)))))'
Stuttering acceptance computed with spot in 605 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))]
Running random walk in product with property : FlexibleBarrier-PT-18a-LTLFireability-00
Product exploration explored 100000 steps with 182 reset in 1195 ms.
Product exploration explored 100000 steps with 175 reset in 730 ms.
Computed a total of 2 stabilizing places and 1 stable transitions
Computed a total of 2 stabilizing places and 1 stable transitions
Knowledge based reduction with 3 factoid took 102 ms. Reduced automaton from 7 states, 12 edges and 2 AP (stutter sensitive) to 7 states, 12 edges and 2 AP (stutter sensitive).
RANDOM walk for 19887 steps (4 resets) in 292 ms. (67 steps per ms) remains 0/4 properties
Knowledge based reduction with 3 factoid took 119 ms. Reduced automaton from 7 states, 12 edges and 2 AP (stutter sensitive) to 7 states, 12 edges and 2 AP (stutter sensitive).
Stuttering acceptance computed with spot in 271 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))]
Knowledge-based reduction took 633 ms.
Stuttering acceptance computed with spot in 354 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))]
Support contains 4 out of 218 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 218/218 places, 578/578 transitions.
Applied a total of 0 rules in 9 ms. Remains 218 /218 variables (removed 0) and now considering 578/578 (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-1838573133017420957.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-10256523956471694935.kers'
[2026-05-27 21:05:58] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-1838573133017420957.kers, --Pflows, --basisKERS=/tmp/petrispot-output-10256523956471694935.kers]
Culling duplicate invariants (modulo rational): removing 1 columns.
Culled 1 columns in 0 ms.
// Phase 1: matrix 578 rows 217 cols 1751 entries
Finished phase 1 with 199 SingleSign rule and 0 generalized
[2026-05-27 21:05:58] [INFO ] Computed 19 invariants in 3 ms
Computed 19 P flows in 4 ms.
Exported basis to /tmp/petrispot-output-10256523956471694935.kers
Total runtime 4 ms.
[2026-05-27 21:05:58] [INFO ] Implicit Places using invariants in 139 ms returned []
[2026-05-27 21:05:58] [INFO ] Invariant cache hit.
[2026-05-27 21:05:59] [INFO ] State equation strengthened by 307 read => feed constraints.
[2026-05-27 21:05:59] [INFO ] Implicit Places using invariants and state equation in 522 ms returned []
Implicit Place search using SMT with State Equation took 664 ms to find 0 implicit places.
Running 577 sub problems to find dead transitions.
[2026-05-27 21:05:59] [INFO ] Invariant cache hit.
[2026-05-27 21:05:59] [INFO ] State equation strengthened by 307 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/217 variables, 217/217 constraints. Problems are: Problem set: 0 solved, 577 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/217 variables, 0/217 constraints. Problems are: Problem set: 0 solved, 577 unsolved
At refinement iteration 2 (OVERLAPS) 1/218 variables, 19/236 constraints. Problems are: Problem set: 0 solved, 577 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/218 variables, 1/237 constraints. Problems are: Problem set: 0 solved, 577 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/218 variables, 0/237 constraints. Problems are: Problem set: 0 solved, 577 unsolved
At refinement iteration 5 (OVERLAPS) 578/796 variables, 218/455 constraints. Problems are: Problem set: 0 solved, 577 unsolved
Error getting values : (error "Timeout of Z3 solver reached")
At refinement iteration 6 (INCLUDED_ONLY) 0/796 variables, 307/762 constraints. Problems are: Problem set: 0 solved, 577 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 796/796 variables, and 762 constraints, problems are : Problem set: 0 solved, 577 unsolved in 30026 ms.
Refiners :[Domain max(s): 218/218 constraints, Positive P Invariants (semi-flows): 19/19 constraints, State Equation: 218/218 constraints, ReadFeed: 307/307 constraints, PredecessorRefiner: 577/577 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 577 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/217 variables, 217/217 constraints. Problems are: Problem set: 0 solved, 577 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/217 variables, 0/217 constraints. Problems are: Problem set: 0 solved, 577 unsolved
At refinement iteration 2 (OVERLAPS) 1/218 variables, 19/236 constraints. Problems are: Problem set: 0 solved, 577 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/218 variables, 1/237 constraints. Problems are: Problem set: 0 solved, 577 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/218 variables, 0/237 constraints. Problems are: Problem set: 0 solved, 577 unsolved
At refinement iteration 5 (OVERLAPS) 578/796 variables, 218/455 constraints. Problems are: Problem set: 0 solved, 577 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/796 variables, 307/762 constraints. Problems are: Problem set: 0 solved, 577 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/796 variables, 577/1339 constraints. Problems are: Problem set: 0 solved, 577 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 796/796 variables, and 1339 constraints, problems are : Problem set: 0 solved, 577 unsolved in 30023 ms.
Refiners :[Domain max(s): 218/218 constraints, Positive P Invariants (semi-flows): 19/19 constraints, State Equation: 218/218 constraints, ReadFeed: 307/307 constraints, PredecessorRefiner: 577/577 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60439ms problems are : Problem set: 0 solved, 577 unsolved
Search for dead transitions found 0 dead transitions in 60445ms
Finished structural reductions in LTL mode , in 1 iterations and 61124 ms. Remains : 218/218 places, 578/578 transitions.
Computed a total of 2 stabilizing places and 1 stable transitions
Computed a total of 2 stabilizing places and 1 stable transitions
Knowledge based reduction with 3 factoid took 85 ms. Reduced automaton from 7 states, 12 edges and 2 AP (stutter sensitive) to 7 states, 12 edges and 2 AP (stutter sensitive).
RANDOM walk for 20000 steps (4 resets) in 244 ms. (81 steps per ms) remains 0/4 properties
Knowledge based reduction with 3 factoid took 130 ms. Reduced automaton from 7 states, 12 edges and 2 AP (stutter sensitive) to 7 states, 12 edges and 2 AP (stutter sensitive).
Stuttering acceptance computed with spot in 300 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))]
Knowledge-based reduction took 657 ms.
Stuttering acceptance computed with spot in 266 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))]
Stuttering acceptance computed with spot in 281 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))]
Product exploration explored 100000 steps with 204 reset in 533 ms.
Product exploration explored 100000 steps with 155 reset in 560 ms.
Spot run failed in 102 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/ltsmin9360816908696561921
[2026-05-27 21:07:02] [INFO ] Built C files in 38ms conformant to PINS (ltsmin variant)in folder :/tmp/ltsmin9360816908696561921
Running compilation step : cd /tmp/ltsmin9360816908696561921;'/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'
Compilation finished in 1935 ms.
Running link step : cd /tmp/ltsmin9360816908696561921;'gcc' '-shared' '-o' 'gal.so' 'model.o'
Link finished in 122 ms.
Running LTSmin : cd /tmp/ltsmin9360816908696561921;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202604301425/bin/pins2lts-seq-linux64' './gal.so' '--when' '--hoa' '/tmp/stateBased6956721683390113927.hoa' '--buchi-type=spotba'
WARNING : LTS min runner thread was asked to interrupt. Dying gracefully.
Support contains 4 out of 218 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 218/218 places, 578/578 transitions.
Applied a total of 0 rules in 6 ms. Remains 218 /218 variables (removed 0) and now considering 578/578 (removed 0) transitions.
[2026-05-27 21:07:17] [INFO ] Invariant cache hit.
[2026-05-27 21:07:17] [INFO ] Implicit Places using invariants in 145 ms returned []
[2026-05-27 21:07:17] [INFO ] Invariant cache hit.
[2026-05-27 21:07:17] [INFO ] State equation strengthened by 307 read => feed constraints.
[2026-05-27 21:07:17] [INFO ] Implicit Places using invariants and state equation in 446 ms returned []
Implicit Place search using SMT with State Equation took 593 ms to find 0 implicit places.
Skipped dead transition search.
Finished structural reductions in LTL mode , in 1 iterations and 600 ms. Remains : 218/218 places, 578/578 transitions.
Built C files in :
/tmp/ltsmin10911737071527497605
[2026-05-27 21:07:17] [INFO ] Built C files in 24ms conformant to PINS (ltsmin variant)in folder :/tmp/ltsmin10911737071527497605
Running compilation step : cd /tmp/ltsmin10911737071527497605;'/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'
Compilation finished in 1602 ms.
Running link step : cd /tmp/ltsmin10911737071527497605;'gcc' '-shared' '-o' 'gal.so' 'model.o'
Link finished in 35 ms.
Running LTSmin : cd /tmp/ltsmin10911737071527497605;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202604301425/bin/pins2lts-seq-linux64' './gal.so' '--when' '--hoa' '/tmp/stateBased17997218060301487275.hoa' '--buchi-type=spotba'
WARNING : LTS min runner thread was asked to interrupt. Dying gracefully.
[2026-05-27 21:07:32] [INFO ] Flatten gal took : 35 ms
[2026-05-27 21:07:32] [INFO ] Flatten gal took : 55 ms
[2026-05-27 21:07:32] [INFO ] Time to serialize gal into /tmp/LTL12720063793476980680.gal : 12 ms
[2026-05-27 21:07:32] [INFO ] Time to serialize properties into /tmp/LTL2105289746115325552.prop : 2 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/LTL12720063793476980680.gal' '-t' 'CGAL' '-hoa' '/tmp/aut14216691961263985351.hoa' '-atoms' '/tmp/LTL2105289746115325552.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...319
Loading property file /tmp/LTL2105289746115325552.prop.
Loaded 2 atomic propositions.
Checking formula 0 provided in automaton : /tmp/aut14216691961263985351.hoa
Detected timeout of ITS tools.
[2026-05-27 21:07:48] [INFO ] Flatten gal took : 30 ms
[2026-05-27 21:07:48] [INFO ] Flatten gal took : 31 ms
[2026-05-27 21:07:48] [INFO ] Time to serialize gal into /tmp/LTL10926362123076671154.gal : 6 ms
[2026-05-27 21:07:48] [INFO ] Time to serialize properties into /tmp/LTL8690762058086538523.ltl : 4 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/LTL10926362123076671154.gal' '-t' 'CGAL' '-LTL' '/tmp/LTL8690762058086538523.ltl' '-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...276
Read 1 LTL properties
Checking formula 0 : !((F(G((X((X(X(X("(((p156==0)||(p179==0))||(p217==0))"))))||(X(G("(p164==0)")))))||(X("(((p156==0)||(p179==0))||(p217==0))"))))))
Formula 0 simplified : GF(!"(((p156==0)||(p179==0))||(p217==0))" & X(XX!"(((p156==0)||(p179==0))||(p217==0))" & F!"(p164==0)"))
Detected timeout of ITS tools.
[2026-05-27 21:08:03] [INFO ] Flatten gal took : 29 ms
[2026-05-27 21:08:03] [INFO ] Applying decomposition
[2026-05-27 21:08:03] [INFO ] Flatten gal took : 25 ms
Converted graph to binary with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202604301425/bin/convert-linux64' '-i' '/tmp/graph12068029332688068766.txt' '-o' '/tmp/graph12068029332688068766.bin' '-w' '/tmp/graph12068029332688068766.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202604301425/bin/louvain-linux64' '/tmp/graph12068029332688068766.bin' '-l' '-1' '-v' '-w' '/tmp/graph12068029332688068766.weights' '-q' '0' '-e' '0.001'
[2026-05-27 21:08:03] [INFO ] Decomposing Gal with order
[2026-05-27 21:08:03] [INFO ] Rewriting arrays to variables to allow decomposition.
[2026-05-27 21:08:03] [INFO ] Removed a total of 849 redundant transitions.
[2026-05-27 21:08:03] [INFO ] Flatten gal took : 192 ms
[2026-05-27 21:08:03] [INFO ] Fuse similar labels procedure discarded/fused a total of 4 labels/synchronizations in 21 ms.
[2026-05-27 21:08:03] [INFO ] Time to serialize gal into /tmp/LTL11575886794120564314.gal : 15 ms
[2026-05-27 21:08:03] [INFO ] Time to serialize properties into /tmp/LTL11857696594981254002.ltl : 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/LTL11575886794120564314.gal' '-t' 'CGAL' '-LTL' '/tmp/LTL11857696594981254002.ltl' '-c' '-stutter-deadlock'

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...256
Read 1 LTL properties
Checking formula 0 : !((F(G((X((X(X(X("(((i1.u64.p156==0)||(i15.u73.p179==0))||(i1.u4.p217==0))"))))||(X(G("(i14.u67.p164==0)")))))||(X("(((i1.u64.p156==0)...200
Formula 0 simplified : GF(!"(((i1.u64.p156==0)||(i15.u73.p179==0))||(i1.u4.p217==0))" & X(XX!"(((i1.u64.p156==0)||(i15.u73.p179==0))||(i1.u4.p217==0))" & F...177
Reverse transition relation is exact ! Faster fixpoint algorithm enabled.
6 unique states visited
5 strongly connected components in search stack
8 transitions explored
6 items max in DFS search stack
22 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,0,0.289143,24672,1,0,11680,263,2677,17506,150,476,19884
an accepting run exists (use option '-e' to print it)
Formula 0 is FALSE accepting run found.
FORMULA FlexibleBarrier-PT-18a-LTLFireability-00 FALSE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL USE_NUPN
ITS tools runner thread asked to quit. Dying gracefully.
Treatment of property FlexibleBarrier-PT-18a-LTLFireability-00 finished in 129745 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(p1)&&p0) U !p1))))'
Support contains 3 out of 219 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 219/219 places, 578/578 transitions.
Graph (trivial) has 176 edges and 219 vertex of which 54 / 219 are part of one of the 18 SCC in 6 ms
Free SCC test removed 36 places
Ensure Unique test removed 172 transitions
Reduce isomorphic transitions removed 172 transitions.
Performed 51 Post agglomeration using F-continuation condition.Transition count delta: 51
Deduced a syphon composed of 51 places in 1 ms
Reduce places removed 51 places and 0 transitions.
Iterating global reduction 0 with 102 rules applied. Total rules applied 103 place count 132 transition count 355
Drop transitions (Redundant composition of simpler transitions.) removed 153 transitions
Redundant transition composition rules discarded 153 transitions
Iterating global reduction 0 with 153 rules applied. Total rules applied 256 place count 132 transition count 202
Partial Post-agglomeration rule applied 3 times.
Drop transitions (Partial Post agglomeration) removed 3 transitions
Iterating global reduction 0 with 3 rules applied. Total rules applied 259 place count 132 transition count 202
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 260 place count 131 transition count 201
Iterating global reduction 0 with 1 rules applied. Total rules applied 261 place count 131 transition count 201
Applied a total of 261 rules in 97 ms. Remains 131 /219 variables (removed 88) and now considering 201/578 (removed 377) transitions.
[2026-05-27 21:08:04] [INFO ] Flow matrix only has 167 transitions (discarded 34 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-194057565216656963.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-17667719526372518179.kers'
[2026-05-27 21:08:04] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-194057565216656963.kers, --Pflows, --basisKERS=/tmp/petrispot-output-17667719526372518179.kers]
Normalized transition count is 166 out of 167 initially.
Culling duplicate invariants (modulo rational): removing 2 columns.
Culled 2 columns in 3 ms.
// Phase 1: matrix 166 rows 129 cols 349 entries
Finished phase 1 with 111 SingleSign rule and 0 generalized
[2026-05-27 21:08:04] [INFO ] Computed 20 invariants in 4 ms
Computed 20 P flows in 5 ms.
Exported basis to /tmp/petrispot-output-17667719526372518179.kers
Total runtime 5 ms.
[2026-05-27 21:08:04] [INFO ] Implicit Places using invariants in 166 ms returned [129]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 167 ms to find 1 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 130/219 places, 201/578 transitions.
Performed 18 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 0 with 18 Pre rules applied. Total rules applied 0 place count 130 transition count 183
Deduced a syphon composed of 18 places in 0 ms
Reduce places removed 18 places and 0 transitions.
Iterating global reduction 0 with 36 rules applied. Total rules applied 36 place count 112 transition count 183
Applied a total of 36 rules in 28 ms. Remains 112 /130 variables (removed 18) and now considering 183/201 (removed 18) transitions.
[2026-05-27 21:08:04] [INFO ] Flow matrix only has 149 transitions (discarded 34 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-4679315406805417963.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-5883003807165034749.kers'
[2026-05-27 21:08:04] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-4679315406805417963.kers, --Pflows, --basisKERS=/tmp/petrispot-output-5883003807165034749.kers]
Normalized transition count is 148 out of 149 initially.
Culling duplicate invariants (modulo rational): removing 1 columns.
Culled 1 columns in 0 ms.
// Phase 1: matrix 148 rows 111 cols 313 entries
Finished phase 1 with 93 SingleSign rule and 0 generalized
[2026-05-27 21:08:04] [INFO ] Computed 19 invariants in 0 ms
Computed 19 P flows in 1 ms.
Exported basis to /tmp/petrispot-output-5883003807165034749.kers
Total runtime 1 ms.
[2026-05-27 21:08:04] [INFO ] Implicit Places using invariants in 103 ms returned []
[2026-05-27 21:08:04] [INFO ] Flow matrix only has 149 transitions (discarded 34 similar events)
[2026-05-27 21:08:04] [INFO ] Invariant cache hit.
[2026-05-27 21:08:04] [INFO ] State equation strengthened by 110 read => feed constraints.
[2026-05-27 21:08:04] [INFO ] Implicit Places using invariants and state equation in 242 ms returned []
Implicit Place search using SMT with State Equation took 348 ms to find 0 implicit places.
Starting structural reductions in SI_LTL mode, iteration 2 : 112/219 places, 183/578 transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 642 ms. Remains : 112/219 places, 183/578 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(p1)&&p0) U !p1))))'
Stuttering acceptance computed with spot in 98 ms :[p1, p1]
Running random walk in product with property : FlexibleBarrier-PT-18a-LTLFireability-01
Stuttering criterion allowed to conclude after 40 steps with 0 reset in 2 ms.
FORMULA FlexibleBarrier-PT-18a-LTLFireability-01 FALSE TECHNIQUES STUTTER_TEST
Treatment of property FlexibleBarrier-PT-18a-LTLFireability-01 finished in 779 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(X((F(G(p1))&&F(p2)))))))'
Support contains 6 out of 219 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 219/219 places, 578/578 transitions.
Applied a total of 0 rules in 6 ms. Remains 219 /219 variables (removed 0) and now considering 578/578 (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-10866731117379971766.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-4399177636432085857.kers'
[2026-05-27 21:08:04] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-10866731117379971766.kers, --Pflows, --basisKERS=/tmp/petrispot-output-4399177636432085857.kers]
Culling duplicate invariants (modulo rational): removing 2 columns.
Culled 2 columns in 0 ms.
// Phase 1: matrix 578 rows 217 cols 1751 entries
Finished phase 1 with 199 SingleSign rule and 0 generalized
[2026-05-27 21:08:04] [INFO ] Computed 20 invariants in 3 ms
Computed 20 P flows in 4 ms.
Exported basis to /tmp/petrispot-output-4399177636432085857.kers
Total runtime 4 ms.
[2026-05-27 21:08:05] [INFO ] Implicit Places using invariants in 346 ms returned [218]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 349 ms to find 1 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 218/219 places, 578/578 transitions.
Applied a total of 0 rules in 6 ms. Remains 218 /218 variables (removed 0) and now considering 578/578 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 362 ms. Remains : 218/219 places, 578/578 transitions.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(G((X(X((F(G(p0))&&F(p1))))||p2)))'
Stuttering acceptance computed with spot in 253 ms :[(OR (AND (NOT p1) (NOT p2)) (AND (NOT p0) (NOT p2))), (OR (NOT p1) (NOT p0)), (OR (NOT p1) (NOT p0)), (NOT p0), (NOT p1)]
Running random walk in product with property : FlexibleBarrier-PT-18a-LTLFireability-02
Product exploration explored 100000 steps with 1 reset in 520 ms.
Stack based approach found an accepted trace after 237 steps with 2 reset with depth 218 and stack size 216 in 3 ms.
FORMULA FlexibleBarrier-PT-18a-LTLFireability-02 FALSE TECHNIQUES STACK_TEST
Treatment of property FlexibleBarrier-PT-18a-LTLFireability-02 finished in 1196 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 3 out of 219 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 219/219 places, 578/578 transitions.
Graph (trivial) has 175 edges and 219 vertex of which 48 / 219 are part of one of the 16 SCC in 1 ms
Free SCC test removed 32 places
Ensure Unique test removed 152 transitions
Reduce isomorphic transitions removed 152 transitions.
Performed 54 Post agglomeration using F-continuation condition.Transition count delta: 54
Deduced a syphon composed of 54 places in 0 ms
Reduce places removed 54 places and 0 transitions.
Iterating global reduction 0 with 108 rules applied. Total rules applied 109 place count 133 transition count 372
Drop transitions (Redundant composition of simpler transitions.) removed 168 transitions
Redundant transition composition rules discarded 168 transitions
Iterating global reduction 0 with 168 rules applied. Total rules applied 277 place count 133 transition count 204
Performed 1 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 0 with 1 Pre rules applied. Total rules applied 277 place count 133 transition count 203
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 0 with 2 rules applied. Total rules applied 279 place count 132 transition count 203
Applied a total of 279 rules in 58 ms. Remains 132 /219 variables (removed 87) and now considering 203/578 (removed 375) transitions.
[2026-05-27 21:08:06] [INFO ] Flow matrix only has 170 transitions (discarded 33 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-15863354607118198451.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-1050586272463072805.kers'
[2026-05-27 21:08:06] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-15863354607118198451.kers, --Pflows, --basisKERS=/tmp/petrispot-output-1050586272463072805.kers]
Normalized transition count is 169 out of 170 initially.
Culling duplicate invariants (modulo rational): removing 2 columns.
Culled 2 columns in 0 ms.
// Phase 1: matrix 169 rows 130 cols 357 entries
Finished phase 1 with 112 SingleSign rule and 0 generalized
[2026-05-27 21:08:06] [INFO ] Computed 20 invariants in 1 ms
Computed 20 P flows in 1 ms.
Exported basis to /tmp/petrispot-output-1050586272463072805.kers
Total runtime 1 ms.
[2026-05-27 21:08:06] [INFO ] Implicit Places using invariants in 279 ms returned [131]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 282 ms to find 1 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 131/219 places, 203/578 transitions.
Graph (trivial) has 177 edges and 131 vertex of which 48 / 131 are part of one of the 16 SCC in 1 ms
Free SCC test removed 32 places
Ensure Unique test removed 64 transitions
Reduce isomorphic transitions removed 64 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 18 transitions
Trivial Post-agglo rules discarded 18 transitions
Performed 18 trivial Post agglomeration. Transition count delta: 18
Iterating post reduction 0 with 18 rules applied. Total rules applied 19 place count 99 transition count 121
Reduce places removed 18 places and 0 transitions.
Iterating post reduction 1 with 18 rules applied. Total rules applied 37 place count 81 transition count 121
Performed 18 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 18 Pre rules applied. Total rules applied 37 place count 81 transition count 103
Deduced a syphon composed of 18 places in 1 ms
Reduce places removed 18 places and 0 transitions.
Iterating global reduction 2 with 36 rules applied. Total rules applied 73 place count 63 transition count 103
Performed 20 Post agglomeration using F-continuation condition.Transition count delta: 20
Deduced a syphon composed of 20 places in 1 ms
Reduce places removed 20 places and 0 transitions.
Iterating global reduction 2 with 40 rules applied. Total rules applied 113 place count 43 transition count 83
Drop transitions (Redundant composition of simpler transitions.) removed 17 transitions
Redundant transition composition rules discarded 17 transitions
Iterating global reduction 2 with 17 rules applied. Total rules applied 130 place count 43 transition count 66
Applied a total of 130 rules in 20 ms. Remains 43 /131 variables (removed 88) and now considering 66/203 (removed 137) transitions.
[2026-05-27 21:08:06] [INFO ] Flow matrix only has 47 transitions (discarded 19 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-16579280595490233348.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-5778422265018807191.kers'
[2026-05-27 21:08:06] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-16579280595490233348.kers, --Pflows, --basisKERS=/tmp/petrispot-output-5778422265018807191.kers]
Normalized transition count is 46 out of 47 initially.
Culling duplicate invariants (modulo rational): removing 1 columns.
Culled 1 columns in 0 ms.
// Phase 1: matrix 46 rows 42 cols 111 entries
Finished phase 1 with 24 SingleSign rule and 0 generalized
[2026-05-27 21:08:06] [INFO ] Computed 19 invariants in 0 ms
Computed 19 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-5778422265018807191.kers
Total runtime 0 ms.
[2026-05-27 21:08:06] [INFO ] Implicit Places using invariants in 67 ms returned []
[2026-05-27 21:08:06] [INFO ] Flow matrix only has 47 transitions (discarded 19 similar events)
[2026-05-27 21:08:06] [INFO ] Invariant cache hit.
[2026-05-27 21:08:06] [INFO ] State equation strengthened by 20 read => feed constraints.
[2026-05-27 21:08:06] [INFO ] Implicit Places using invariants and state equation in 120 ms returned []
Implicit Place search using SMT with State Equation took 190 ms to find 0 implicit places.
Starting structural reductions in SI_LTL mode, iteration 2 : 43/219 places, 66/578 transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 550 ms. Remains : 43/219 places, 66/578 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 93 ms :[(NOT p0), (NOT p0)]
Running random walk in product with property : FlexibleBarrier-PT-18a-LTLFireability-05
Stuttering criterion allowed to conclude after 3 steps with 0 reset in 0 ms.
FORMULA FlexibleBarrier-PT-18a-LTLFireability-05 FALSE TECHNIQUES STUTTER_TEST
Treatment of property FlexibleBarrier-PT-18a-LTLFireability-05 finished in 676 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(X(F((G(p0)||(p1&&(p0 U p2)))))))'
Support contains 6 out of 219 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 219/219 places, 578/578 transitions.
Applied a total of 0 rules in 5 ms. Remains 219 /219 variables (removed 0) and now considering 578/578 (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-11122285584447321325.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-13453388136058008006.kers'
[2026-05-27 21:08:06] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-11122285584447321325.kers, --Pflows, --basisKERS=/tmp/petrispot-output-13453388136058008006.kers]
Culling duplicate invariants (modulo rational): removing 2 columns.
Culled 2 columns in 1 ms.
// Phase 1: matrix 578 rows 217 cols 1751 entries
Finished phase 1 with 199 SingleSign rule and 0 generalized
[2026-05-27 21:08:06] [INFO ] Computed 20 invariants in 4 ms
Computed 20 P flows in 5 ms.
Exported basis to /tmp/petrispot-output-13453388136058008006.kers
Total runtime 6 ms.
[2026-05-27 21:08:07] [INFO ] Implicit Places using invariants in 368 ms returned [218]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 370 ms to find 1 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 218/219 places, 578/578 transitions.
Applied a total of 0 rules in 5 ms. Remains 218 /218 variables (removed 0) and now considering 578/578 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 382 ms. Remains : 218/219 places, 578/578 transitions.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(X(F((G(p0)||(p1&&(p0 U p2)))))))'
Stuttering acceptance computed with spot in 227 ms :[(OR (AND (NOT p0) (NOT p1)) (AND (NOT p0) (NOT p2))), (AND (NOT p0) (NOT p2)), (OR (AND (NOT p0) (NOT p1)) (AND (NOT p0) (NOT p2))), (OR (AND (NOT p0) (NOT p1)) (AND (NOT p0) (NOT p2)))]
Running random walk in product with property : FlexibleBarrier-PT-18a-LTLFireability-06
Product exploration explored 100000 steps with 1944 reset in 829 ms.
Stack based approach found an accepted trace after 26 steps with 0 reset with depth 27 and stack size 27 in 1 ms.
FORMULA FlexibleBarrier-PT-18a-LTLFireability-06 FALSE TECHNIQUES STACK_TEST
Treatment of property FlexibleBarrier-PT-18a-LTLFireability-06 finished in 1489 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(X(F((((G(p0) U p1) U X(p2))&&X(X(!p2)))))))'
Support contains 5 out of 219 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 219/219 places, 578/578 transitions.
Applied a total of 0 rules in 3 ms. Remains 219 /219 variables (removed 0) and now considering 578/578 (removed 0) transitions.
[2026-05-27 21:08:08] [INFO ] Invariant cache hit.
[2026-05-27 21:08:08] [INFO ] Implicit Places using invariants in 322 ms returned [218]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 324 ms to find 1 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 218/219 places, 578/578 transitions.
Applied a total of 0 rules in 2 ms. Remains 218 /218 variables (removed 0) and now considering 578/578 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 330 ms. Remains : 218/219 places, 578/578 transitions.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(X(F((((G(p0) U p1) U X(p2))&&X(X(!p2)))))))'
Stuttering acceptance computed with spot in 647 ms :[true, true, true, (NOT p2), p2, false, (NOT p2), p2, (AND p2 (NOT p0)), (AND p2 (NOT p1) p0), (AND p2 (NOT p0)), (AND (NOT p1) p2)]
Running random walk in product with property : FlexibleBarrier-PT-18a-LTLFireability-08
Product exploration explored 100000 steps with 1819 reset in 1033 ms.
Stack based approach found an accepted trace after 138 steps with 4 reset with depth 60 and stack size 60 in 2 ms.
FORMULA FlexibleBarrier-PT-18a-LTLFireability-08 FALSE TECHNIQUES STACK_TEST
Treatment of property FlexibleBarrier-PT-18a-LTLFireability-08 finished in 2118 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 3 out of 219 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 219/219 places, 578/578 transitions.
Graph (trivial) has 175 edges and 219 vertex of which 48 / 219 are part of one of the 16 SCC in 0 ms
Free SCC test removed 32 places
Ensure Unique test removed 137 transitions
Reduce isomorphic transitions removed 137 transitions.
Performed 54 Post agglomeration using F-continuation condition.Transition count delta: 54
Deduced a syphon composed of 54 places in 1 ms
Reduce places removed 54 places and 0 transitions.
Iterating global reduction 0 with 108 rules applied. Total rules applied 109 place count 133 transition count 387
Drop transitions (Redundant composition of simpler transitions.) removed 182 transitions
Redundant transition composition rules discarded 182 transitions
Iterating global reduction 0 with 182 rules applied. Total rules applied 291 place count 133 transition count 205
Partial Post-agglomeration rule applied 1 times.
Drop transitions (Partial Post agglomeration) removed 1 transitions
Iterating global reduction 0 with 1 rules applied. Total rules applied 292 place count 133 transition count 205
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 293 place count 132 transition count 204
Iterating global reduction 0 with 1 rules applied. Total rules applied 294 place count 132 transition count 204
Applied a total of 294 rules in 41 ms. Remains 132 /219 variables (removed 87) and now considering 204/578 (removed 374) transitions.
[2026-05-27 21:08:10] [INFO ] Flow matrix only has 171 transitions (discarded 33 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-4072621143285847998.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-3906104693380934309.kers'
[2026-05-27 21:08:10] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-4072621143285847998.kers, --Pflows, --basisKERS=/tmp/petrispot-output-3906104693380934309.kers]
Normalized transition count is 170 out of 171 initially.
Culling duplicate invariants (modulo rational): removing 2 columns.
Culled 2 columns in 0 ms.
// Phase 1: matrix 170 rows 130 cols 361 entries
Finished phase 1 with 112 SingleSign rule and 0 generalized
[2026-05-27 21:08:10] [INFO ] Computed 20 invariants in 3 ms
Computed 20 P flows in 4 ms.
Exported basis to /tmp/petrispot-output-3906104693380934309.kers
Total runtime 4 ms.
[2026-05-27 21:08:10] [INFO ] Implicit Places using invariants in 243 ms returned [131]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 248 ms to find 1 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 131/219 places, 204/578 transitions.
Graph (trivial) has 178 edges and 131 vertex of which 48 / 131 are part of one of the 16 SCC in 1 ms
Free SCC test removed 32 places
Ensure Unique test removed 64 transitions
Reduce isomorphic transitions removed 64 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 18 transitions
Trivial Post-agglo rules discarded 18 transitions
Performed 18 trivial Post agglomeration. Transition count delta: 18
Iterating post reduction 0 with 18 rules applied. Total rules applied 19 place count 99 transition count 122
Reduce places removed 18 places and 0 transitions.
Iterating post reduction 1 with 18 rules applied. Total rules applied 37 place count 81 transition count 122
Performed 18 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 18 Pre rules applied. Total rules applied 37 place count 81 transition count 104
Deduced a syphon composed of 18 places in 1 ms
Reduce places removed 18 places and 0 transitions.
Iterating global reduction 2 with 36 rules applied. Total rules applied 73 place count 63 transition count 104
Performed 20 Post agglomeration using F-continuation condition.Transition count delta: 20
Deduced a syphon composed of 20 places in 1 ms
Reduce places removed 20 places and 0 transitions.
Iterating global reduction 2 with 40 rules applied. Total rules applied 113 place count 43 transition count 84
Drop transitions (Redundant composition of simpler transitions.) removed 18 transitions
Redundant transition composition rules discarded 18 transitions
Iterating global reduction 2 with 18 rules applied. Total rules applied 131 place count 43 transition count 66
Applied a total of 131 rules in 23 ms. Remains 43 /131 variables (removed 88) and now considering 66/204 (removed 138) transitions.
[2026-05-27 21:08:10] [INFO ] Flow matrix only has 47 transitions (discarded 19 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-13609701299672982925.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-11529394107710977899.kers'
[2026-05-27 21:08:10] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-13609701299672982925.kers, --Pflows, --basisKERS=/tmp/petrispot-output-11529394107710977899.kers]
Normalized transition count is 46 out of 47 initially.
Culling duplicate invariants (modulo rational): removing 1 columns.
Culled 1 columns in 0 ms.
// Phase 1: matrix 46 rows 42 cols 113 entries
Finished phase 1 with 24 SingleSign rule and 0 generalized
[2026-05-27 21:08:10] [INFO ] Computed 19 invariants in 1 ms
Computed 19 P flows in 2 ms.
Exported basis to /tmp/petrispot-output-11529394107710977899.kers
Total runtime 3 ms.
[2026-05-27 21:08:10] [INFO ] Implicit Places using invariants in 60 ms returned []
[2026-05-27 21:08:10] [INFO ] Flow matrix only has 47 transitions (discarded 19 similar events)
[2026-05-27 21:08:10] [INFO ] Invariant cache hit.
[2026-05-27 21:08:10] [INFO ] State equation strengthened by 21 read => feed constraints.
[2026-05-27 21:08:10] [INFO ] Implicit Places using invariants and state equation in 104 ms returned []
Implicit Place search using SMT with State Equation took 167 ms to find 0 implicit places.
Starting structural reductions in SI_LTL mode, iteration 2 : 43/219 places, 66/578 transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 482 ms. Remains : 43/219 places, 66/578 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 54 ms :[(NOT p0)]
Running random walk in product with property : FlexibleBarrier-PT-18a-LTLFireability-09
Stuttering criterion allowed to conclude after 30 steps with 0 reset in 1 ms.
FORMULA FlexibleBarrier-PT-18a-LTLFireability-09 FALSE TECHNIQUES STUTTER_TEST
Treatment of property FlexibleBarrier-PT-18a-LTLFireability-09 finished in 575 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&&G((X(p1)||G(p2))))))'
Support contains 4 out of 219 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 219/219 places, 578/578 transitions.
Applied a total of 0 rules in 6 ms. Remains 219 /219 variables (removed 0) and now considering 578/578 (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-15377085954998347377.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-17647849741178532476.kers'
[2026-05-27 21:08:10] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-15377085954998347377.kers, --Pflows, --basisKERS=/tmp/petrispot-output-17647849741178532476.kers]
Culling duplicate invariants (modulo rational): removing 2 columns.
Culled 2 columns in 0 ms.
// Phase 1: matrix 578 rows 217 cols 1751 entries
Finished phase 1 with 199 SingleSign rule and 0 generalized
[2026-05-27 21:08:10] [INFO ] Computed 20 invariants in 4 ms
Computed 20 P flows in 4 ms.
Exported basis to /tmp/petrispot-output-17647849741178532476.kers
Total runtime 6 ms.
[2026-05-27 21:08:11] [INFO ] Implicit Places using invariants in 378 ms returned [218]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 380 ms to find 1 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 218/219 places, 578/578 transitions.
Applied a total of 0 rules in 6 ms. Remains 218 /218 variables (removed 0) and now considering 578/578 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 393 ms. Remains : 218/219 places, 578/578 transitions.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X((G((X(p0)||G(p1)))&&p2)))'
Stuttering acceptance computed with spot in 290 ms :[true, (OR (NOT p2) (AND (NOT p0) (NOT p1))), (OR (NOT p2) (AND (NOT p0) (NOT p1))), (NOT p0), (AND (NOT p0) (NOT p1)), (NOT p1)]
Running random walk in product with property : FlexibleBarrier-PT-18a-LTLFireability-10
Entered a terminal (fully accepting) state of product in 2 steps with 0 reset in 0 ms.
FORMULA FlexibleBarrier-PT-18a-LTLFireability-10 FALSE TECHNIQUES STUTTER_TEST
Treatment of property FlexibleBarrier-PT-18a-LTLFireability-10 finished in 733 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))'
Support contains 3 out of 219 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 219/219 places, 578/578 transitions.
Graph (trivial) has 175 edges and 219 vertex of which 48 / 219 are part of one of the 16 SCC in 2 ms
Free SCC test removed 32 places
Ensure Unique test removed 137 transitions
Reduce isomorphic transitions removed 137 transitions.
Performed 54 Post agglomeration using F-continuation condition.Transition count delta: 54
Deduced a syphon composed of 54 places in 0 ms
Reduce places removed 54 places and 0 transitions.
Iterating global reduction 0 with 108 rules applied. Total rules applied 109 place count 133 transition count 387
Drop transitions (Redundant composition of simpler transitions.) removed 182 transitions
Redundant transition composition rules discarded 182 transitions
Iterating global reduction 0 with 182 rules applied. Total rules applied 291 place count 133 transition count 205
Partial Post-agglomeration rule applied 1 times.
Drop transitions (Partial Post agglomeration) removed 1 transitions
Iterating global reduction 0 with 1 rules applied. Total rules applied 292 place count 133 transition count 205
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 293 place count 132 transition count 204
Iterating global reduction 0 with 1 rules applied. Total rules applied 294 place count 132 transition count 204
Applied a total of 294 rules in 83 ms. Remains 132 /219 variables (removed 87) and now considering 204/578 (removed 374) transitions.
[2026-05-27 21:08:11] [INFO ] Flow matrix only has 171 transitions (discarded 33 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-1946605437335287266.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-911184338777700332.kers'
[2026-05-27 21:08:11] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-1946605437335287266.kers, --Pflows, --basisKERS=/tmp/petrispot-output-911184338777700332.kers]
Normalized transition count is 170 out of 171 initially.
Culling duplicate invariants (modulo rational): removing 2 columns.
Culled 2 columns in 0 ms.
// Phase 1: matrix 170 rows 130 cols 361 entries
Finished phase 1 with 112 SingleSign rule and 0 generalized
[2026-05-27 21:08:11] [INFO ] Computed 20 invariants in 1 ms
Computed 20 P flows in 2 ms.
Exported basis to /tmp/petrispot-output-911184338777700332.kers
Total runtime 2 ms.
[2026-05-27 21:08:11] [INFO ] Implicit Places using invariants in 237 ms returned [131]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 239 ms to find 1 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 131/219 places, 204/578 transitions.
Graph (trivial) has 178 edges and 131 vertex of which 48 / 131 are part of one of the 16 SCC in 0 ms
Free SCC test removed 32 places
Ensure Unique test removed 64 transitions
Reduce isomorphic transitions removed 64 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 18 transitions
Trivial Post-agglo rules discarded 18 transitions
Performed 18 trivial Post agglomeration. Transition count delta: 18
Iterating post reduction 0 with 18 rules applied. Total rules applied 19 place count 99 transition count 122
Reduce places removed 18 places and 0 transitions.
Iterating post reduction 1 with 18 rules applied. Total rules applied 37 place count 81 transition count 122
Performed 18 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 18 Pre rules applied. Total rules applied 37 place count 81 transition count 104
Deduced a syphon composed of 18 places in 0 ms
Reduce places removed 18 places and 0 transitions.
Iterating global reduction 2 with 36 rules applied. Total rules applied 73 place count 63 transition count 104
Performed 20 Post agglomeration using F-continuation condition.Transition count delta: 20
Deduced a syphon composed of 20 places in 0 ms
Reduce places removed 20 places and 0 transitions.
Iterating global reduction 2 with 40 rules applied. Total rules applied 113 place count 43 transition count 84
Drop transitions (Redundant composition of simpler transitions.) removed 18 transitions
Redundant transition composition rules discarded 18 transitions
Iterating global reduction 2 with 18 rules applied. Total rules applied 131 place count 43 transition count 66
Applied a total of 131 rules in 16 ms. Remains 43 /131 variables (removed 88) and now considering 66/204 (removed 138) transitions.
[2026-05-27 21:08:11] [INFO ] Flow matrix only has 47 transitions (discarded 19 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-7401297244280743811.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-12938513699516133650.kers'
[2026-05-27 21:08:11] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-7401297244280743811.kers, --Pflows, --basisKERS=/tmp/petrispot-output-12938513699516133650.kers]
Normalized transition count is 46 out of 47 initially.
Culling duplicate invariants (modulo rational): removing 1 columns.
Culled 1 columns in 0 ms.
// Phase 1: matrix 46 rows 42 cols 113 entries
Finished phase 1 with 24 SingleSign rule and 0 generalized
[2026-05-27 21:08:11] [INFO ] Computed 19 invariants in 0 ms
Computed 19 P flows in 1 ms.
Exported basis to /tmp/petrispot-output-12938513699516133650.kers
Total runtime 1 ms.
[2026-05-27 21:08:12] [INFO ] Implicit Places using invariants in 64 ms returned []
[2026-05-27 21:08:12] [INFO ] Flow matrix only has 47 transitions (discarded 19 similar events)
[2026-05-27 21:08:12] [INFO ] Invariant cache hit.
[2026-05-27 21:08:12] [INFO ] State equation strengthened by 21 read => feed constraints.
[2026-05-27 21:08:12] [INFO ] Implicit Places using invariants and state equation in 100 ms returned []
Implicit Place search using SMT with State Equation took 164 ms to find 0 implicit places.
Starting structural reductions in SI_LTL mode, iteration 2 : 43/219 places, 66/578 transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 504 ms. Remains : 43/219 places, 66/578 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))'
Stuttering acceptance computed with spot in 49 ms :[(NOT p0)]
Running random walk in product with property : FlexibleBarrier-PT-18a-LTLFireability-11
Stuttering criterion allowed to conclude after 1 steps with 0 reset in 0 ms.
FORMULA FlexibleBarrier-PT-18a-LTLFireability-11 FALSE TECHNIQUES STUTTER_TEST
Treatment of property FlexibleBarrier-PT-18a-LTLFireability-11 finished in 588 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(((p0 U p1) U !X(X(((p2 U p3)||p2)))))'
Support contains 8 out of 219 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 219/219 places, 578/578 transitions.
Applied a total of 0 rules in 5 ms. Remains 219 /219 variables (removed 0) and now considering 578/578 (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-11247601268051142022.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-13691643611613434207.kers'
[2026-05-27 21:08:12] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-11247601268051142022.kers, --Pflows, --basisKERS=/tmp/petrispot-output-13691643611613434207.kers]
Culling duplicate invariants (modulo rational): removing 2 columns.
Culled 2 columns in 0 ms.
// Phase 1: matrix 578 rows 217 cols 1751 entries
Finished phase 1 with 199 SingleSign rule and 0 generalized
[2026-05-27 21:08:12] [INFO ] Computed 20 invariants in 3 ms
Computed 20 P flows in 4 ms.
Exported basis to /tmp/petrispot-output-13691643611613434207.kers
Total runtime 5 ms.
[2026-05-27 21:08:12] [INFO ] Implicit Places using invariants in 249 ms returned []
[2026-05-27 21:08:12] [INFO ] Invariant cache hit.
[2026-05-27 21:08:12] [INFO ] State equation strengthened by 397 read => feed constraints.
[2026-05-27 21:08:13] [INFO ] Implicit Places using invariants and state equation in 863 ms returned []
Implicit Place search using SMT with State Equation took 1113 ms to find 0 implicit places.
Running 577 sub problems to find dead transitions.
[2026-05-27 21:08:13] [INFO ] Invariant cache hit.
[2026-05-27 21:08:13] [INFO ] State equation strengthened by 397 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/218 variables, 218/218 constraints. Problems are: Problem set: 0 solved, 577 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/218 variables, 0/218 constraints. Problems are: Problem set: 0 solved, 577 unsolved
At refinement iteration 2 (OVERLAPS) 1/219 variables, 20/238 constraints. Problems are: Problem set: 0 solved, 577 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/219 variables, 1/239 constraints. Problems are: Problem set: 0 solved, 577 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/219 variables, 0/239 constraints. Problems are: Problem set: 0 solved, 577 unsolved
At refinement iteration 5 (OVERLAPS) 578/797 variables, 219/458 constraints. Problems are: Problem set: 0 solved, 577 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/797 variables, 397/855 constraints. Problems are: Problem set: 0 solved, 577 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 797/797 variables, and 855 constraints, problems are : Problem set: 0 solved, 577 unsolved in 30023 ms.
Refiners :[Domain max(s): 219/219 constraints, Positive P Invariants (semi-flows): 20/20 constraints, State Equation: 219/219 constraints, ReadFeed: 397/397 constraints, PredecessorRefiner: 577/577 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 577 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/218 variables, 218/218 constraints. Problems are: Problem set: 0 solved, 577 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/218 variables, 0/218 constraints. Problems are: Problem set: 0 solved, 577 unsolved
At refinement iteration 2 (OVERLAPS) 1/219 variables, 20/238 constraints. Problems are: Problem set: 0 solved, 577 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/219 variables, 1/239 constraints. Problems are: Problem set: 0 solved, 577 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/219 variables, 0/239 constraints. Problems are: Problem set: 0 solved, 577 unsolved
At refinement iteration 5 (OVERLAPS) 578/797 variables, 219/458 constraints. Problems are: Problem set: 0 solved, 577 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/797 variables, 397/855 constraints. Problems are: Problem set: 0 solved, 577 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/797 variables, 577/1432 constraints. Problems are: Problem set: 0 solved, 577 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 797/797 variables, and 1432 constraints, problems are : Problem set: 0 solved, 577 unsolved in 30027 ms.
Refiners :[Domain max(s): 219/219 constraints, Positive P Invariants (semi-flows): 20/20 constraints, State Equation: 219/219 constraints, ReadFeed: 397/397 constraints, PredecessorRefiner: 577/577 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60388ms problems are : Problem set: 0 solved, 577 unsolved
Search for dead transitions found 0 dead transitions in 60391ms
Finished structural reductions in LTL mode , in 1 iterations and 61518 ms. Remains : 219/219 places, 578/578 transitions.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(((p0 U p1) U !X(X(((p2 U p3)||p2)))))'
Stuttering acceptance computed with spot in 628 ms :[(OR p2 p3), (OR p3 p2), (OR (AND (NOT p1) p2) (AND (NOT p1) p3)), (OR p2 p3), (OR p3 p2), true, (OR (AND (NOT p1) p2) (AND (NOT p1) p3)), (OR p3 p2), (OR (AND (NOT p1) p2) (AND (NOT p1) p3)), (OR p3 p2), (NOT p1)]
Running random walk in product with property : FlexibleBarrier-PT-18a-LTLFireability-12
Entered a terminal (fully accepting) state of product in 14 steps with 4 reset in 1 ms.
FORMULA FlexibleBarrier-PT-18a-LTLFireability-12 FALSE TECHNIQUES STUTTER_TEST
Treatment of property FlexibleBarrier-PT-18a-LTLFireability-12 finished in 62209 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))) U X(!p2)))'
Support contains 4 out of 219 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 219/219 places, 578/578 transitions.
Applied a total of 0 rules in 4 ms. Remains 219 /219 variables (removed 0) and now considering 578/578 (removed 0) transitions.
[2026-05-27 21:09:14] [INFO ] Invariant cache hit.
[2026-05-27 21:09:14] [INFO ] Implicit Places using invariants in 484 ms returned [217]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 486 ms to find 1 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 218/219 places, 578/578 transitions.
Applied a total of 0 rules in 2 ms. Remains 218 /218 variables (removed 0) and now considering 578/578 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 492 ms. Remains : 218/219 places, 578/578 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))) U X(!p2)))'
Stuttering acceptance computed with spot in 184 ms :[p2, (AND (NOT p0) p1 p2), p2, (NOT p0), (AND (NOT p0) (NOT p1))]
Running random walk in product with property : FlexibleBarrier-PT-18a-LTLFireability-13
Product exploration explored 100000 steps with 50000 reset in 1404 ms.
Product exploration explored 100000 steps with 50000 reset in 1430 ms.
Computed a total of 2 stabilizing places and 1 stable transitions
Computed a total of 2 stabilizing places and 1 stable transitions
Property proved to be true by K+ with min(!phi)
Knowledge based reduction with 11 factoid took 13 ms. Proved property starting from automaton with 5 states, 9 edges and 3 AP (stutter sensitive
Knowledge-based reduction took 25 ms.
FORMULA FlexibleBarrier-PT-18a-LTLFireability-13 TRUE TECHNIQUES KNOWLEDGE
Treatment of property FlexibleBarrier-PT-18a-LTLFireability-13 finished in 3586 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(p0)&&(p1||G(p2)))))))'
Support contains 7 out of 219 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 219/219 places, 578/578 transitions.
Applied a total of 0 rules in 3 ms. Remains 219 /219 variables (removed 0) and now considering 578/578 (removed 0) transitions.
[2026-05-27 21:09:18] [INFO ] Invariant cache hit.
[2026-05-27 21:09:18] [INFO ] Implicit Places using invariants in 174 ms returned []
[2026-05-27 21:09:18] [INFO ] Invariant cache hit.
[2026-05-27 21:09:18] [INFO ] State equation strengthened by 397 read => feed constraints.
[2026-05-27 21:09:18] [INFO ] Implicit Places using invariants and state equation in 643 ms returned []
Implicit Place search using SMT with State Equation took 831 ms to find 0 implicit places.
Skipped dead transition search.
Finished structural reductions in LTL mode , in 1 iterations and 834 ms. Remains : 219/219 places, 578/578 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)||p2))))))'
Stuttering acceptance computed with spot in 242 ms :[(OR (NOT p0) (AND (NOT p1) (NOT p2))), (OR (NOT p0) (AND (NOT p1) (NOT p2))), (OR (NOT p0) (AND (NOT p1) (NOT p2))), (OR (NOT p0) (AND (NOT p1) (NOT p2))), true, (NOT p0), (NOT p1)]
Running random walk in product with property : FlexibleBarrier-PT-18a-LTLFireability-14
Entered a terminal (fully accepting) state of product in 3 steps with 0 reset in 0 ms.
FORMULA FlexibleBarrier-PT-18a-LTLFireability-14 FALSE TECHNIQUES STUTTER_TEST
Treatment of property FlexibleBarrier-PT-18a-LTLFireability-14 finished in 1119 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((F((X(p2)&&p1))&&p0)))'
Support contains 9 out of 219 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 219/219 places, 578/578 transitions.
Applied a total of 0 rules in 2 ms. Remains 219 /219 variables (removed 0) and now considering 578/578 (removed 0) transitions.
[2026-05-27 21:09:19] [INFO ] Invariant cache hit.
[2026-05-27 21:09:19] [INFO ] Implicit Places using invariants in 225 ms returned [218]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 226 ms to find 1 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 218/219 places, 578/578 transitions.
Applied a total of 0 rules in 2 ms. Remains 218 /218 variables (removed 0) and now considering 578/578 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 230 ms. Remains : 218/219 places, 578/578 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((F((X(p2)&&p1))&&p0)))'
Stuttering acceptance computed with spot in 127 ms :[(NOT p2), (OR (NOT p1) (NOT p2)), (OR (NOT p1) (NOT p2) (NOT p0))]
Running random walk in product with property : FlexibleBarrier-PT-18a-LTLFireability-15
Product exploration explored 100000 steps with 38 reset in 513 ms.
Stack based approach found an accepted trace after 11 steps with 0 reset with depth 12 and stack size 12 in 0 ms.
FORMULA FlexibleBarrier-PT-18a-LTLFireability-15 FALSE TECHNIQUES STACK_TEST
Treatment of property FlexibleBarrier-PT-18a-LTLFireability-15 finished in 910 ms.
All properties solved by simple procedures.
Total runtime 271408 ms.

BK_STOP 1779916160103

--------------------
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="FlexibleBarrier-PT-18a"
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 FlexibleBarrier-PT-18a, 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 r130-smll-177955809100420"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/FlexibleBarrier-PT-18a.tgz
mv FlexibleBarrier-PT-18a 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 ;