fond
Model Checking Contest 2026
16th edition, Hamburg, Germany, June 23, 2026
Execution of r194-tall-177969914300772
Last Updated
Jun 17, 2026

About the Execution of ITS-Tools for PGCD-COL-D03N050

Execution Summary
Max Memory
Used (MB)
Time wait (ms) CPU Usage (ms) I/O Wait (ms) Computed Result Execution
Status
7671.407 795619.00 1518173.00 7808.40 TFFFFTFFTFFTTFFF normal

Execution Chart

We display below the execution chart for this examination (boot time has been removed).

Trace from the execution

Formatting '/data/fkordon/mcc2026-input.r194-tall-177969914300772.qcow2', fmt=qcow2 size=4294967296 backing_file=/data/fkordon/mcc2026-input.qcow2 backing_fmt=qcow2 cluster_size=65536 lazy_refcounts=off refcount_bits=16
Waiting for the VM to be ready (probing ssh)
..................
=====================================================================
Generated by BenchKit 2-5973
Executing tool itstools
Input is PGCD-COL-D03N050, examination is LTLFireability
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r194-tall-177969914300772
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 436K
-rw-r--r-- 1 mcc users 7.1K Mar 8 14:38 CTLCardinality.txt
-rw-r--r-- 1 mcc users 79K Mar 8 14:38 CTLCardinality.xml
-rw-r--r-- 1 mcc users 5.9K Mar 8 14:37 CTLFireability.txt
-rw-r--r-- 1 mcc users 59K Mar 8 14:37 CTLFireability.xml
-rw-r--r-- 1 mcc users 3.7K Mar 17 06:58 LTLCardinality.txt
-rw-r--r-- 1 mcc users 27K Mar 17 06:58 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.0K Mar 17 06:58 LTLFireability.txt
-rw-r--r-- 1 mcc users 18K Mar 17 06:58 LTLFireability.xml
-rw-r--r-- 1 mcc users 8.2K Mar 8 14:39 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 83K Mar 8 14:39 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 8.7K Mar 8 14:38 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 83K Mar 8 14:38 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.6K Mar 17 06:58 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.6K Mar 17 06:58 UpperBounds.xml
-rw-r--r-- 1 mcc users 5 Mar 3 18:30 equiv_pt
-rw-r--r-- 1 mcc users 8 Mar 3 18:30 instance
-rw-r--r-- 1 mcc users 5 Mar 3 18:30 iscolored
-rw-r--r-- 1 mcc users 11K 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 PGCD-COL-D03N050-LTLFireability-00
FORMULA_NAME PGCD-COL-D03N050-LTLFireability-01
FORMULA_NAME PGCD-COL-D03N050-LTLFireability-02
FORMULA_NAME PGCD-COL-D03N050-LTLFireability-03
FORMULA_NAME PGCD-COL-D03N050-LTLFireability-04
FORMULA_NAME PGCD-COL-D03N050-LTLFireability-05
FORMULA_NAME PGCD-COL-D03N050-LTLFireability-06
FORMULA_NAME PGCD-COL-D03N050-LTLFireability-07
FORMULA_NAME PGCD-COL-D03N050-LTLFireability-08
FORMULA_NAME PGCD-COL-D03N050-LTLFireability-09
FORMULA_NAME PGCD-COL-D03N050-LTLFireability-10
FORMULA_NAME PGCD-COL-D03N050-LTLFireability-11
FORMULA_NAME PGCD-COL-D03N050-LTLFireability-12
FORMULA_NAME PGCD-COL-D03N050-LTLFireability-13
FORMULA_NAME PGCD-COL-D03N050-LTLFireability-14
FORMULA_NAME PGCD-COL-D03N050-LTLFireability-15

=== Now, execution of the tool begins

BK_START 1779832380836

Invoking MCC driver with
BK_TOOL=itstools
BK_EXAMINATION=LTLFireability
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=PGCD-COL-D03N050
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is COL
LTLFireability COL
Running Version 202604301425
[2026-05-26 21:53:01] [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]
[2026-05-26 21:53:01] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-05-26 21:53:02] [INFO ] Detected file is not PT type :http://www.pnml.org/version-2009/grammar/symmetricnet
log4j:WARN No appenders could be found for logger (org.apache.axiom.locator.DefaultOMMetaFactoryLocator).
log4j:WARN Please initialize the log4j system properly.
log4j:WARN See http://logging.apache.org/log4j/1.2/faq.html#noconfig for more info.
[2026-05-26 21:53:02] [WARNING] Using fallBack plugin, rng conformance not checked
[2026-05-26 21:53:02] [INFO ] Load time of PNML (colored model parsed with PNMLFW) : 469 ms
[2026-05-26 21:53:02] [INFO ] Imported 3 HL places and 3 HL transitions for a total of 12 PT places and 12.0 transition bindings in 15 ms.
Parsed 16 properties from file /home/mcc/execution/LTLFireability.xml in 10 ms.
Working with output stream class java.io.PrintStream
[2026-05-26 21:53:02] [INFO ] Built PT skeleton of HLPN with 3 places and 3 transitions 14 arcs in 5 ms.
[2026-05-26 21:53:02] [INFO ] Skeletonized 16 HLPN properties in 1 ms.
Computed a total of 0 stabilizing places and 0 stable transitions
All 16 properties of the HLPN use transition enablings in a way that makes the skeleton too coarse.
Arc [1:1*[(MOD (ADD $x 1) 4)]] contains successor/predecessor on variables of sort CD
[2026-05-26 21:53:02] [INFO ] Unfolded HLPN to a Petri net with 12 places and 12 transitions 56 arcs in 12 ms.
[2026-05-26 21:53:02] [INFO ] Unfolded 16 HLPN properties in 1 ms.
Initial state reduction rules removed 2 formulas.
FORMULA PGCD-COL-D03N050-LTLFireability-00 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA PGCD-COL-D03N050-LTLFireability-08 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Support contains 12 out of 12 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 12/12 places, 12/12 transitions.
Applied a total of 0 rules in 4 ms. Remains 12 /12 variables (removed 0) and now considering 12/12 (removed 0) transitions.
Running 4 sub problems to find dead transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-13313112496117224513.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-7285316505736195149.kers'
[2026-05-26 21:53:02] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-13313112496117224513.kers, --Pflows, --basisKERS=/tmp/petrispot-output-7285316505736195149.kers]
Culling duplicate invariants (modulo rational): removing 4 columns.
Culled 4 columns in 0 ms.
// Phase 1: matrix 12 rows 8 cols 32 entries
Finished phase 1 with 7 SingleSign rule and 0 generalized
[2026-05-26 21:53:02] [INFO ] Computed 5 invariants in 0 ms
Computed 5 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-7285316505736195149.kers
Total runtime 1 ms.
[2026-05-26 21:53:02] [INFO ] State equation strengthened by 4 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/8 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/8 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 2 (OVERLAPS) 4/12 variables, 1/5 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/12 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 4 (OVERLAPS) 12/24 variables, 12/17 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/24 variables, 4/21 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/24 variables, 0/21 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 7 (OVERLAPS) 0/24 variables, 0/21 constraints. Problems are: Problem set: 0 solved, 4 unsolved
No progress, stopping.
After SMT solving in domain Real declared 24/24 variables, and 21 constraints, problems are : Problem set: 0 solved, 4 unsolved in 229 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, Generalized P Invariants (flows): 4/4 constraints, State Equation: 12/12 constraints, ReadFeed: 4/4 constraints, PredecessorRefiner: 4/4 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 4 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/8 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/8 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 2 (OVERLAPS) 4/12 variables, 1/5 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/12 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 4 (OVERLAPS) 12/24 variables, 12/17 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/24 variables, 4/21 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/24 variables, 4/25 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/24 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 8 (OVERLAPS) 0/24 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 4 unsolved
No progress, stopping.
After SMT solving in domain Int declared 24/24 variables, and 25 constraints, problems are : Problem set: 0 solved, 4 unsolved in 114 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, Generalized P Invariants (flows): 4/4 constraints, State Equation: 12/12 constraints, ReadFeed: 4/4 constraints, PredecessorRefiner: 4/4 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 396ms problems are : Problem set: 0 solved, 4 unsolved
Search for dead transitions found 0 dead transitions in 412ms
[2026-05-26 21:53:03] [INFO ] Invariant cache hit.
[2026-05-26 21:53:03] [INFO ] Implicit Places using invariants in 22 ms returned []
[2026-05-26 21:53:03] [INFO ] Invariant cache hit.
[2026-05-26 21:53:03] [INFO ] State equation strengthened by 4 read => feed constraints.
[2026-05-26 21:53:03] [INFO ] Implicit Places using invariants and state equation in 26 ms returned []
Implicit Place search using SMT with State Equation took 53 ms to find 0 implicit places.
Skipped dead transition search.
Finished structural reductions in LTL mode , in 1 iterations and 525 ms. Remains : 12/12 places, 12/12 transitions.
Starting structural reductions in LTL mode, iteration 0 : 12/12 places, 12/12 transitions.
Applied a total of 0 rules in 0 ms. Remains 12 /12 variables (removed 0) and now considering 12/12 (removed 0) transitions.
Skipped dead transition search.
[2026-05-26 21:53:03] [INFO ] Invariant cache hit.
[2026-05-26 21:53:03] [INFO ] Implicit Places using invariants in 19 ms returned []
[2026-05-26 21:53:03] [INFO ] Invariant cache hit.
[2026-05-26 21:53:03] [INFO ] State equation strengthened by 4 read => feed constraints.
[2026-05-26 21:53:03] [INFO ] Implicit Places using invariants and state equation in 25 ms returned []
Implicit Place search using SMT with State Equation took 46 ms to find 0 implicit places.
Skipped dead transition search.
Finished structural reductions in LTL mode , in 1 iterations and 46 ms. Remains : 12/12 places, 12/12 transitions.
Support contains 12 out of 12 places after structural reductions.
[2026-05-26 21:53:03] [INFO ] Flatten gal took : 14 ms
[2026-05-26 21:53:03] [INFO ] Flatten gal took : 5 ms
[2026-05-26 21:53:03] [INFO ] Input system was already deterministic with 12 transitions.
Reduction of identical properties reduced properties to check from 9 to 6
RANDOM walk for 40115 steps (8 resets) in 220 ms. (181 steps per ms) remains 1/6 properties
BEST_FIRST walk for 40001 steps (8 resets) in 642 ms. (62 steps per ms) remains 1/1 properties
[2026-05-26 21:53:03] [INFO ] Invariant cache hit.
[2026-05-26 21:53:03] [INFO ] State equation strengthened by 4 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/12 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Problem AtomicPropp4 is UNSAT
After SMT solving in domain Real declared 12/24 variables, and 5 constraints, problems are : Problem set: 1 solved, 0 unsolved in 24 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, Generalized P Invariants (flows): 4/4 constraints, State Equation: 0/12 constraints, ReadFeed: 0/4 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 33ms problems are : Problem set: 1 solved, 0 unsolved
Skipping Parikh replay, no witness traces provided.
FORMULA PGCD-COL-D03N050-LTLFireability-07 FALSE TECHNIQUES REACHABILITY_KNOWLEDGE
Successfully simplified 2 atomic propositions for a total of 13 simplifications.
FORMULA PGCD-COL-D03N050-LTLFireability-10 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
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(F((G(F((G(F(p0))||(p1&&F(p0)))))||(!p0&&F((G(F(p0))||(p1&&F(p0)))))))))'
Support contains 12 out of 12 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 12/12 places, 12/12 transitions.
Applied a total of 0 rules in 1 ms. Remains 12 /12 variables (removed 0) and now considering 12/12 (removed 0) transitions.
Skipped dead transition search.
[2026-05-26 21:53:04] [INFO ] Invariant cache hit.
[2026-05-26 21:53:04] [INFO ] Implicit Places using invariants in 19 ms returned []
[2026-05-26 21:53:04] [INFO ] Invariant cache hit.
[2026-05-26 21:53:04] [INFO ] State equation strengthened by 4 read => feed constraints.
[2026-05-26 21:53:04] [INFO ] Implicit Places using invariants and state equation in 24 ms returned []
Implicit Place search using SMT with State Equation took 45 ms to find 0 implicit places.
Skipped dead transition search.
Finished structural reductions in LTL mode , in 1 iterations and 47 ms. Remains : 12/12 places, 12/12 transitions.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(F((G(F((G(F(p0))||(p1&&F(p0)))))||(F((G(F(p0))||(p1&&F(p0))))&&!p0)))))'
Stuttering acceptance computed with spot in 265 ms :[(NOT p0), (NOT p0), (NOT p0), (NOT p0)]
Running random walk in product with property : PGCD-COL-D03N050-LTLFireability-01
Product exploration explored 100000 steps with 0 reset in 243 ms.
Stack based approach found an accepted trace after 19 steps with 0 reset with depth 20 and stack size 20 in 0 ms.
FORMULA PGCD-COL-D03N050-LTLFireability-01 FALSE TECHNIQUES STACK_TEST
Treatment of property PGCD-COL-D03N050-LTLFireability-01 finished in 632 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(((F(!p0)&&X(X((F(G(p0))||G(!p1))))) U G(p1)))'
Support contains 12 out of 12 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 12/12 places, 12/12 transitions.
Applied a total of 0 rules in 2 ms. Remains 12 /12 variables (removed 0) and now considering 12/12 (removed 0) transitions.
Skipped dead transition search.
[2026-05-26 21:53:04] [INFO ] Invariant cache hit.
[2026-05-26 21:53:04] [INFO ] Implicit Places using invariants in 25 ms returned []
[2026-05-26 21:53:04] [INFO ] Invariant cache hit.
[2026-05-26 21:53:04] [INFO ] State equation strengthened by 4 read => feed constraints.
[2026-05-26 21:53:04] [INFO ] Implicit Places using invariants and state equation in 25 ms returned []
Implicit Place search using SMT with State Equation took 52 ms to find 0 implicit places.
[2026-05-26 21:53:04] [INFO ] Redundant transitions in 0 ms returned []
Skipped dead transition search.
Finished structural reductions in SI_LTL mode , in 1 iterations and 58 ms. Remains : 12/12 places, 12/12 transitions.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(((F(!p0)&&X(X((F(G(p0))||G(!p1))))) U G(p1)))'
Stuttering acceptance computed with spot in 343 ms :[(NOT p1), p0, (AND p1 (NOT p0)), false, (AND p1 (NOT p0)), (NOT p0), false, (AND (NOT p0) (NOT p1))]
Running random walk in product with property : PGCD-COL-D03N050-LTLFireability-02
Product exploration explored 100000 steps with 19961 reset in 157 ms.
Product exploration explored 100000 steps with 19954 reset in 171 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 7 factoid took 53 ms. Reduced automaton from 8 states, 15 edges and 2 AP (stutter insensitive) to 5 states, 10 edges and 2 AP (stutter insensitive).
RANDOM walk for 1121 steps (0 resets) in 9 ms. (112 steps per ms) remains 0/3 properties
Knowledge based reduction with 7 factoid took 91 ms. Reduced automaton from 5 states, 10 edges and 2 AP (stutter insensitive) to 5 states, 10 edges and 2 AP (stutter insensitive).
Stuttering acceptance computed with spot in 207 ms :[(NOT p1), p0, (AND p1 (NOT p0)), (NOT p0), (AND (NOT p0) (NOT p1))]
Knowledge-based reduction took 368 ms.
Stuttering acceptance computed with spot in 190 ms :[(NOT p1), p0, (AND p1 (NOT p0)), (NOT p0), (AND (NOT p0) (NOT p1))]
Support contains 12 out of 12 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 12/12 places, 12/12 transitions.
Applied a total of 0 rules in 1 ms. Remains 12 /12 variables (removed 0) and now considering 12/12 (removed 0) transitions.
Skipped dead transition search.
[2026-05-26 21:53:06] [INFO ] Invariant cache hit.
[2026-05-26 21:53:06] [INFO ] Implicit Places using invariants in 17 ms returned []
[2026-05-26 21:53:06] [INFO ] Invariant cache hit.
[2026-05-26 21:53:06] [INFO ] State equation strengthened by 4 read => feed constraints.
[2026-05-26 21:53:06] [INFO ] Implicit Places using invariants and state equation in 25 ms returned []
Implicit Place search using SMT with State Equation took 44 ms to find 0 implicit places.
[2026-05-26 21:53:06] [INFO ] Redundant transitions in 0 ms returned []
Skipped dead transition search.
Finished structural reductions in SI_LTL mode , in 1 iterations and 50 ms. Remains : 12/12 places, 12/12 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 7 factoid took 43 ms. Reduced automaton from 5 states, 10 edges and 2 AP (stutter insensitive) to 5 states, 10 edges and 2 AP (stutter insensitive).
RANDOM walk for 910 steps (0 resets) in 9 ms. (91 steps per ms) remains 0/3 properties
Knowledge based reduction with 7 factoid took 96 ms. Reduced automaton from 5 states, 10 edges and 2 AP (stutter insensitive) to 5 states, 10 edges and 2 AP (stutter insensitive).
Stuttering acceptance computed with spot in 188 ms :[(NOT p1), p0, (AND p1 (NOT p0)), (NOT p0), (AND (NOT p0) (NOT p1))]
Knowledge-based reduction took 334 ms.
Stuttering acceptance computed with spot in 195 ms :[(NOT p1), p0, (AND p1 (NOT p0)), (NOT p0), (AND (NOT p0) (NOT p1))]
Stuttering acceptance computed with spot in 186 ms :[(NOT p1), p0, (AND p1 (NOT p0)), (NOT p0), (AND (NOT p0) (NOT p1))]
Product exploration explored 100000 steps with 33309 reset in 127 ms.
Product exploration explored 100000 steps with 33436 reset in 126 ms.
Built C files in :
/tmp/ltsmin11611194264887243499
[2026-05-26 21:53:07] [INFO ] Computing symmetric may disable matrix : 12 transitions.
[2026-05-26 21:53:07] [INFO ] Computation of Complete disable matrix. took 1 ms. Total solver calls (SAT/UNSAT): 0(0/0)
[2026-05-26 21:53:07] [INFO ] Computing symmetric may enable matrix : 12 transitions.
[2026-05-26 21:53:07] [INFO ] Computation of Complete enable matrix. took 0 ms. Total solver calls (SAT/UNSAT): 0(0/0)
[2026-05-26 21:53:07] [INFO ] Computing Do-Not-Accords matrix : 12 transitions.
[2026-05-26 21:53:07] [INFO ] Computation of Completed DNA matrix. took 0 ms. Total solver calls (SAT/UNSAT): 0(0/0)
[2026-05-26 21:53:07] [INFO ] Built C files in 16ms conformant to PINS (ltsmin variant)in folder :/tmp/ltsmin11611194264887243499
Running compilation step : cd /tmp/ltsmin11611194264887243499;'/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 187 ms.
Running link step : cd /tmp/ltsmin11611194264887243499;'gcc' '-shared' '-o' 'gal.so' 'model.o'
Link finished in 45 ms.
Running LTSmin : cd /tmp/ltsmin11611194264887243499;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202604301425/bin/pins2lts-seq-linux64' './gal.so' '-p' '--pins-guards' '--when' '--hoa' '/tmp/stateBased8799662809201917992.hoa' '--buchi-type=spotba'
LTSmin run took 56 ms.
FORMULA PGCD-COL-D03N050-LTLFireability-02 FALSE TECHNIQUES PARTIAL_ORDER EXPLICIT LTSMIN SAT_SMT
Treatment of property PGCD-COL-D03N050-LTLFireability-02 finished in 3053 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))||(F(p1)&&X(F(!p1)))))'
Support contains 12 out of 12 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 12/12 places, 12/12 transitions.
Applied a total of 0 rules in 1 ms. Remains 12 /12 variables (removed 0) and now considering 12/12 (removed 0) transitions.
Skipped dead transition search.
[2026-05-26 21:53:07] [INFO ] Invariant cache hit.
[2026-05-26 21:53:07] [INFO ] Implicit Places using invariants in 56 ms returned []
[2026-05-26 21:53:07] [INFO ] Invariant cache hit.
[2026-05-26 21:53:07] [INFO ] State equation strengthened by 4 read => feed constraints.
[2026-05-26 21:53:07] [INFO ] Implicit Places using invariants and state equation in 47 ms returned []
Implicit Place search using SMT with State Equation took 105 ms to find 0 implicit places.
Skipped dead transition search.
Finished structural reductions in LTL mode , in 1 iterations and 106 ms. Remains : 12/12 places, 12/12 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))||(F(p1)&&X(F(!p1)))))'
Stuttering acceptance computed with spot in 120 ms :[(NOT p0), (AND (NOT p1) (NOT p0)), (AND p1 (NOT p0))]
Running random walk in product with property : PGCD-COL-D03N050-LTLFireability-03
Product exploration explored 100000 steps with 0 reset in 152 ms.
Product exploration explored 100000 steps with 1 reset in 242 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 10 factoid took 107 ms. Reduced automaton from 3 states, 6 edges and 2 AP (stutter sensitive) to 4 states, 9 edges and 2 AP (stutter insensitive).
Reduction of identical properties reduced properties to check from 6 to 5
RANDOM walk for 40117 steps (8 resets) in 76 ms. (521 steps per ms) remains 1/5 properties
BEST_FIRST walk for 40001 steps (8 resets) in 708 ms. (56 steps per ms) remains 1/1 properties
[2026-05-26 21:53:08] [INFO ] Invariant cache hit.
[2026-05-26 21:53:08] [INFO ] State equation strengthened by 4 read => feed constraints.
Problem apf5 is UNSAT
After SMT solving in domain Real declared 12/24 variables, and 0 constraints, problems are : Problem set: 1 solved, 0 unsolved in 22 ms.
Refiners :[Positive P Invariants (semi-flows): 0/1 constraints, Generalized P Invariants (flows): 0/4 constraints, State Equation: 0/12 constraints, ReadFeed: 0/4 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 32ms problems are : Problem set: 1 solved, 0 unsolved
Skipping Parikh replay, no witness traces provided.
Found 1 invariant AP formulas.
Knowledge based reduction with 11 factoid took 185 ms. Reduced automaton from 4 states, 9 edges and 2 AP (stutter insensitive) to 3 states, 6 edges and 2 AP (stutter insensitive).
Stuttering acceptance computed with spot in 128 ms :[(AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1)), false]
[2026-05-26 21:53:08] [INFO ] Invariant cache hit.
[2026-05-26 21:53:09] [INFO ] [Real]Absence check using 1 positive place invariants in 0 ms returned sat
[2026-05-26 21:53:09] [INFO ] [Real]Absence check using 1 positive and 4 generalized place invariants in 2 ms returned sat
[2026-05-26 21:53:09] [INFO ] [Real]Absence check using state equation in 6 ms returned sat
[2026-05-26 21:53:09] [INFO ] Solution in real domain found non-integer solution.
[2026-05-26 21:53:09] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-26 21:53:09] [INFO ] [Nat]Absence check using 1 positive and 4 generalized place invariants in 1 ms returned sat
[2026-05-26 21:53:09] [INFO ] [Nat]Absence check using state equation in 12 ms returned sat
[2026-05-26 21:53:09] [INFO ] State equation strengthened by 4 read => feed constraints.
[2026-05-26 21:53:09] [INFO ] [Nat]Added 4 Read/Feed constraints in 1 ms returned sat
[2026-05-26 21:53:09] [INFO ] Computed and/alt/rep : 4/8/4 causal constraints (skipped 0 transitions) in 1 ms.
[2026-05-26 21:53:09] [INFO ] Added : 2 causal constraints over 1 iterations in 6 ms. Result :sat
Could not prove EG (AND (NOT p0) (NOT p1))
Knowledge-based reduction took 797 ms.
Stuttering acceptance computed with spot in 110 ms :[(AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1)), false]
Support contains 12 out of 12 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 12/12 places, 12/12 transitions.
Applied a total of 0 rules in 2 ms. Remains 12 /12 variables (removed 0) and now considering 12/12 (removed 0) transitions.
Skipped dead transition search.
[2026-05-26 21:53:09] [INFO ] Invariant cache hit.
[2026-05-26 21:53:09] [INFO ] Implicit Places using invariants in 18 ms returned []
[2026-05-26 21:53:09] [INFO ] Invariant cache hit.
[2026-05-26 21:53:09] [INFO ] State equation strengthened by 4 read => feed constraints.
[2026-05-26 21:53:09] [INFO ] Implicit Places using invariants and state equation in 23 ms returned []
Implicit Place search using SMT with State Equation took 42 ms to find 0 implicit places.
[2026-05-26 21:53:09] [INFO ] Redundant transitions in 0 ms returned []
Skipped dead transition search.
Finished structural reductions in SI_LTL mode , in 1 iterations and 48 ms. Remains : 12/12 places, 12/12 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 7 factoid took 102 ms. Reduced automaton from 3 states, 6 edges and 2 AP (stutter insensitive) to 3 states, 6 edges and 2 AP (stutter insensitive).
RANDOM walk for 811 steps (0 resets) in 7 ms. (101 steps per ms) remains 0/4 properties
Knowledge based reduction with 7 factoid took 157 ms. Reduced automaton from 3 states, 6 edges and 2 AP (stutter insensitive) to 3 states, 6 edges and 2 AP (stutter insensitive).
Stuttering acceptance computed with spot in 131 ms :[(AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1)), false]
[2026-05-26 21:53:09] [INFO ] Invariant cache hit.
[2026-05-26 21:53:09] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-26 21:53:09] [INFO ] [Real]Absence check using 1 positive and 4 generalized place invariants in 1 ms returned sat
[2026-05-26 21:53:09] [INFO ] [Real]Absence check using state equation in 4 ms returned sat
[2026-05-26 21:53:09] [INFO ] Solution in real domain found non-integer solution.
[2026-05-26 21:53:09] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-26 21:53:09] [INFO ] [Nat]Absence check using 1 positive and 4 generalized place invariants in 1 ms returned sat
[2026-05-26 21:53:09] [INFO ] [Nat]Absence check using state equation in 11 ms returned sat
[2026-05-26 21:53:09] [INFO ] State equation strengthened by 4 read => feed constraints.
[2026-05-26 21:53:09] [INFO ] [Nat]Added 4 Read/Feed constraints in 3 ms returned sat
[2026-05-26 21:53:09] [INFO ] Computed and/alt/rep : 4/8/4 causal constraints (skipped 0 transitions) in 1 ms.
[2026-05-26 21:53:09] [INFO ] Added : 2 causal constraints over 1 iterations in 7 ms. Result :sat
Could not prove EG (AND (NOT p0) (NOT p1))
Knowledge-based reduction took 495 ms.
Stuttering acceptance computed with spot in 102 ms :[(AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1)), false]
Stuttering acceptance computed with spot in 110 ms :[(AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1)), false]
Product exploration explored 100000 steps with 0 reset in 122 ms.
Stack based approach found an accepted trace after 69 steps with 0 reset with depth 70 and stack size 67 in 0 ms.
FORMULA PGCD-COL-D03N050-LTLFireability-03 FALSE TECHNIQUES STACK_TEST
Treatment of property PGCD-COL-D03N050-LTLFireability-03 finished in 2470 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X((F(p0)&&F(!p0))))'
Support contains 8 out of 12 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 12/12 places, 12/12 transitions.
Applied a total of 0 rules in 1 ms. Remains 12 /12 variables (removed 0) and now considering 12/12 (removed 0) transitions.
Skipped dead transition search.
[2026-05-26 21:53:10] [INFO ] Invariant cache hit.
[2026-05-26 21:53:10] [INFO ] Implicit Places using invariants in 31 ms returned [8, 9, 10, 11]
Discarding 4 places :
Implicit Place search using SMT only with invariants took 32 ms to find 4 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 8/12 places, 12/12 transitions.
Applied a total of 0 rules in 0 ms. Remains 8 /8 variables (removed 0) and now considering 12/12 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 33 ms. Remains : 8/12 places, 12/12 transitions.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X((F(p0)&&F(!p0))))'
Stuttering acceptance computed with spot in 150 ms :[p0, (NOT p0), true, true]
Running random walk in product with property : PGCD-COL-D03N050-LTLFireability-04
Product exploration explored 100000 steps with 0 reset in 172 ms.
Stack based approach found an accepted trace after 30 steps with 0 reset with depth 31 and stack size 31 in 0 ms.
FORMULA PGCD-COL-D03N050-LTLFireability-04 FALSE TECHNIQUES STACK_TEST
Treatment of property PGCD-COL-D03N050-LTLFireability-04 finished in 384 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 12 out of 12 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 12/12 places, 12/12 transitions.
Applied a total of 0 rules in 1 ms. Remains 12 /12 variables (removed 0) and now considering 12/12 (removed 0) transitions.
Skipped dead transition search.
[2026-05-26 21:53:10] [INFO ] Invariant cache hit.
[2026-05-26 21:53:10] [INFO ] Implicit Places using invariants in 17 ms returned []
[2026-05-26 21:53:10] [INFO ] Invariant cache hit.
[2026-05-26 21:53:10] [INFO ] State equation strengthened by 4 read => feed constraints.
[2026-05-26 21:53:10] [INFO ] Implicit Places using invariants and state equation in 25 ms returned []
Implicit Place search using SMT with State Equation took 44 ms to find 0 implicit places.
[2026-05-26 21:53:10] [INFO ] Redundant transitions in 0 ms returned []
Skipped dead transition search.
Finished structural reductions in SI_LTL mode , in 1 iterations and 49 ms. Remains : 12/12 places, 12/12 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 80 ms :[(NOT p0), (NOT p0)]
Running random walk in product with property : PGCD-COL-D03N050-LTLFireability-05
Product exploration explored 100000 steps with 0 reset in 115 ms.
Product exploration explored 100000 steps with 0 reset in 161 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 3 factoid took 70 ms. Reduced automaton from 2 states, 3 edges and 1 AP (stutter insensitive) to 2 states, 3 edges and 1 AP (stutter insensitive).
RANDOM walk for 772 steps (0 resets) in 4 ms. (154 steps per ms) remains 0/1 properties
Knowledge based reduction with 3 factoid took 71 ms. Reduced automaton from 2 states, 3 edges and 1 AP (stutter insensitive) to 2 states, 3 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 91 ms :[(NOT p0), (NOT p0)]
Knowledge-based reduction took 235 ms.
Stuttering acceptance computed with spot in 93 ms :[(NOT p0), (NOT p0)]
Support contains 12 out of 12 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 12/12 places, 12/12 transitions.
Applied a total of 0 rules in 1 ms. Remains 12 /12 variables (removed 0) and now considering 12/12 (removed 0) transitions.
Skipped dead transition search.
[2026-05-26 21:53:11] [INFO ] Invariant cache hit.
[2026-05-26 21:53:11] [INFO ] Implicit Places using invariants in 14 ms returned []
[2026-05-26 21:53:11] [INFO ] Invariant cache hit.
[2026-05-26 21:53:11] [INFO ] State equation strengthened by 4 read => feed constraints.
[2026-05-26 21:53:11] [INFO ] Implicit Places using invariants and state equation in 37 ms returned []
Implicit Place search using SMT with State Equation took 52 ms to find 0 implicit places.
[2026-05-26 21:53:11] [INFO ] Redundant transitions in 0 ms returned []
Skipped dead transition search.
Finished structural reductions in SI_LTL mode , in 1 iterations and 58 ms. Remains : 12/12 places, 12/12 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 3 factoid took 48 ms. Reduced automaton from 2 states, 3 edges and 1 AP (stutter insensitive) to 2 states, 3 edges and 1 AP (stutter insensitive).
RANDOM walk for 1001 steps (0 resets) in 4 ms. (200 steps per ms) remains 0/1 properties
Knowledge based reduction with 3 factoid took 57 ms. Reduced automaton from 2 states, 3 edges and 1 AP (stutter insensitive) to 2 states, 3 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 87 ms :[(NOT p0), (NOT p0)]
Knowledge-based reduction took 195 ms.
Stuttering acceptance computed with spot in 83 ms :[(NOT p0), (NOT p0)]
Stuttering acceptance computed with spot in 88 ms :[(NOT p0), (NOT p0)]
Product exploration explored 100000 steps with 0 reset in 107 ms.
Product exploration explored 100000 steps with 0 reset in 151 ms.
Built C files in :
/tmp/ltsmin1449893602049400364
[2026-05-26 21:53:12] [INFO ] Computing symmetric may disable matrix : 12 transitions.
[2026-05-26 21:53:12] [INFO ] Computation of Complete disable matrix. took 1 ms. Total solver calls (SAT/UNSAT): 0(0/0)
[2026-05-26 21:53:12] [INFO ] Computing symmetric may enable matrix : 12 transitions.
[2026-05-26 21:53:12] [INFO ] Computation of Complete enable matrix. took 3 ms. Total solver calls (SAT/UNSAT): 0(0/0)
[2026-05-26 21:53:12] [INFO ] Computing Do-Not-Accords matrix : 12 transitions.
[2026-05-26 21:53:12] [INFO ] Computation of Completed DNA matrix. took 0 ms. Total solver calls (SAT/UNSAT): 0(0/0)
[2026-05-26 21:53:12] [INFO ] Built C files in 8ms conformant to PINS (ltsmin variant)in folder :/tmp/ltsmin1449893602049400364
Running compilation step : cd /tmp/ltsmin1449893602049400364;'/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 91 ms.
Running link step : cd /tmp/ltsmin1449893602049400364;'gcc' '-shared' '-o' 'gal.so' 'model.o'
Link finished in 35 ms.
Running LTSmin : cd /tmp/ltsmin1449893602049400364;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202604301425/bin/pins2lts-seq-linux64' './gal.so' '-p' '--pins-guards' '--when' '--hoa' '/tmp/stateBased2875335200701918952.hoa' '--buchi-type=spotba'
WARNING : LTS min runner thread was asked to interrupt. Dying gracefully.
Support contains 12 out of 12 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 12/12 places, 12/12 transitions.
Applied a total of 0 rules in 1 ms. Remains 12 /12 variables (removed 0) and now considering 12/12 (removed 0) transitions.
Skipped dead transition search.
[2026-05-26 21:53:27] [INFO ] Invariant cache hit.
[2026-05-26 21:53:27] [INFO ] Implicit Places using invariants in 20 ms returned []
[2026-05-26 21:53:27] [INFO ] Invariant cache hit.
[2026-05-26 21:53:27] [INFO ] State equation strengthened by 4 read => feed constraints.
[2026-05-26 21:53:27] [INFO ] Implicit Places using invariants and state equation in 32 ms returned []
Implicit Place search using SMT with State Equation took 55 ms to find 0 implicit places.
[2026-05-26 21:53:27] [INFO ] Redundant transitions in 0 ms returned []
Skipped dead transition search.
Finished structural reductions in SI_LTL mode , in 1 iterations and 60 ms. Remains : 12/12 places, 12/12 transitions.
Built C files in :
/tmp/ltsmin16531887004955491009
[2026-05-26 21:53:27] [INFO ] Computing symmetric may disable matrix : 12 transitions.
[2026-05-26 21:53:27] [INFO ] Computation of Complete disable matrix. took 1 ms. Total solver calls (SAT/UNSAT): 0(0/0)
[2026-05-26 21:53:27] [INFO ] Computing symmetric may enable matrix : 12 transitions.
[2026-05-26 21:53:27] [INFO ] Computation of Complete enable matrix. took 0 ms. Total solver calls (SAT/UNSAT): 0(0/0)
[2026-05-26 21:53:27] [INFO ] Computing Do-Not-Accords matrix : 12 transitions.
[2026-05-26 21:53:27] [INFO ] Computation of Completed DNA matrix. took 0 ms. Total solver calls (SAT/UNSAT): 0(0/0)
[2026-05-26 21:53:27] [INFO ] Built C files in 2ms conformant to PINS (ltsmin variant)in folder :/tmp/ltsmin16531887004955491009
Running compilation step : cd /tmp/ltsmin16531887004955491009;'/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 85 ms.
Running link step : cd /tmp/ltsmin16531887004955491009;'gcc' '-shared' '-o' 'gal.so' 'model.o'
Link finished in 30 ms.
Running LTSmin : cd /tmp/ltsmin16531887004955491009;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202604301425/bin/pins2lts-seq-linux64' './gal.so' '-p' '--pins-guards' '--when' '--hoa' '/tmp/stateBased13259700862704099000.hoa' '--buchi-type=spotba'
WARNING : LTS min runner thread was asked to interrupt. Dying gracefully.
[2026-05-26 21:53:42] [INFO ] Flatten gal took : 2 ms
[2026-05-26 21:53:42] [INFO ] Flatten gal took : 2 ms
[2026-05-26 21:53:42] [INFO ] Time to serialize gal into /tmp/LTL3413017186076774491.gal : 1 ms
[2026-05-26 21:53:42] [INFO ] Time to serialize properties into /tmp/LTL426624426403201858.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/LTL3413017186076774491.gal' '-t' 'CGAL' '-hoa' '/tmp/aut16542559502471625798.hoa' '-atoms' '/tmp/LTL426624426403201858.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/LTL426624426403201858.prop.
Loaded 1 atomic propositions.
Checking formula 0 provided in automaton : /tmp/aut16542559502471625798.hoa
Detected timeout of ITS tools.
[2026-05-26 21:53:57] [INFO ] Flatten gal took : 2 ms
[2026-05-26 21:53:57] [INFO ] Flatten gal took : 1 ms
[2026-05-26 21:53:57] [INFO ] Time to serialize gal into /tmp/LTL9642062157855244768.gal : 0 ms
[2026-05-26 21:53:57] [INFO ] Time to serialize properties into /tmp/LTL15100234299954599595.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/LTL9642062157855244768.gal' '-t' 'CGAL' '-LTL' '/tmp/LTL15100234299954599595.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 : !((G(F("(((((p0_0>=1)&&(p1_0>=1))&&(p2_0>=1))||(((p0_2>=1)&&(p1_2>=1))&&(p2_2>=1)))||((((p0_1>=1)&&(p1_1>=1))&&(p2_1>=1))||(((p0_3>=1)...186
Formula 0 simplified : FG!"(((((p0_0>=1)&&(p1_0>=1))&&(p2_0>=1))||(((p0_2>=1)&&(p1_2>=1))&&(p2_2>=1)))||((((p0_1>=1)&&(p1_1>=1))&&(p2_1>=1))||(((p0_3>=1)&&...180
Detected timeout of ITS tools.
[2026-05-26 21:54:12] [INFO ] Flatten gal took : 2 ms
[2026-05-26 21:54:12] [INFO ] Applying decomposition
[2026-05-26 21:54:12] [INFO ] Flatten gal took : 3 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/graph2160361858402467937.txt' '-o' '/tmp/graph2160361858402467937.bin' '-w' '/tmp/graph2160361858402467937.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202604301425/bin/louvain-linux64' '/tmp/graph2160361858402467937.bin' '-l' '-1' '-v' '-w' '/tmp/graph2160361858402467937.weights' '-q' '0' '-e' '0.001'
[2026-05-26 21:54:12] [INFO ] Decomposing Gal with order
[2026-05-26 21:54:12] [INFO ] Rewriting arrays to variables to allow decomposition.
[2026-05-26 21:54:12] [INFO ] Flatten gal took : 25 ms
[2026-05-26 21:54:12] [INFO ] Fuse similar labels procedure discarded/fused a total of 0 labels/synchronizations in 0 ms.
[2026-05-26 21:54:12] [INFO ] Time to serialize gal into /tmp/LTL9606484333957418354.gal : 1 ms
[2026-05-26 21:54:12] [INFO ] Time to serialize properties into /tmp/LTL977697018965111007.ltl : 0 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/LTL9606484333957418354.gal' '-t' 'CGAL' '-LTL' '/tmp/LTL977697018965111007.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...253
Read 1 LTL properties
Checking formula 0 : !((G(F("(((((u0.p0_0>=1)&&(u0.p1_0>=1))&&(u0.p2_0>=1))||(((u2.p0_2>=1)&&(u2.p1_2>=1))&&(u2.p2_2>=1)))||((((u1.p0_1>=1)&&(u1.p1_1>=1))&...222
Formula 0 simplified : FG!"(((((u0.p0_0>=1)&&(u0.p1_0>=1))&&(u0.p2_0>=1))||(((u2.p0_2>=1)&&(u2.p1_2>=1))&&(u2.p2_2>=1)))||((((u1.p0_1>=1)&&(u1.p1_1>=1))&&(...216
Detected timeout of ITS tools.
Treatment of property PGCD-COL-D03N050-LTLFireability-05 finished in 76847 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)))'
Support contains 8 out of 12 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 12/12 places, 12/12 transitions.
Applied a total of 0 rules in 1 ms. Remains 12 /12 variables (removed 0) and now considering 12/12 (removed 0) transitions.
Skipped dead transition search.
[2026-05-26 21:54:27] [INFO ] Invariant cache hit.
[2026-05-26 21:54:27] [INFO ] Implicit Places using invariants in 25 ms returned []
[2026-05-26 21:54:27] [INFO ] Invariant cache hit.
[2026-05-26 21:54:27] [INFO ] State equation strengthened by 4 read => feed constraints.
[2026-05-26 21:54:27] [INFO ] Implicit Places using invariants and state equation in 21 ms returned []
Implicit Place search using SMT with State Equation took 47 ms to find 0 implicit places.
Skipped dead transition search.
Finished structural reductions in LTL mode , in 1 iterations and 48 ms. Remains : 12/12 places, 12/12 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)))'
Stuttering acceptance computed with spot in 150 ms :[(NOT p0), (NOT p0), true, (NOT p0)]
Running random walk in product with property : PGCD-COL-D03N050-LTLFireability-06
Entered a terminal (fully accepting) state of product in 2 steps with 0 reset in 0 ms.
FORMULA PGCD-COL-D03N050-LTLFireability-06 FALSE TECHNIQUES STUTTER_TEST
Treatment of property PGCD-COL-D03N050-LTLFireability-06 finished in 225 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(G(!p0)))))'
Support contains 8 out of 12 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 12/12 places, 12/12 transitions.
Applied a total of 0 rules in 0 ms. Remains 12 /12 variables (removed 0) and now considering 12/12 (removed 0) transitions.
Skipped dead transition search.
[2026-05-26 21:54:27] [INFO ] Invariant cache hit.
[2026-05-26 21:54:27] [INFO ] Implicit Places using invariants in 25 ms returned [8, 9, 10, 11]
Discarding 4 places :
Implicit Place search using SMT only with invariants took 27 ms to find 4 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 8/12 places, 12/12 transitions.
Applied a total of 0 rules in 0 ms. Remains 8 /8 variables (removed 0) and now considering 12/12 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 28 ms. Remains : 8/12 places, 12/12 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(G(p0)))))'
Stuttering acceptance computed with spot in 173 ms :[true, (NOT p0), (NOT p0), (NOT p0), (NOT p0)]
Running random walk in product with property : PGCD-COL-D03N050-LTLFireability-09
Product exploration explored 100000 steps with 0 reset in 101 ms.
Product exploration explored 100000 steps with 0 reset in 113 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 58 ms. Reduced automaton from 5 states, 6 edges and 1 AP (stutter sensitive) to 5 states, 6 edges and 1 AP (stutter sensitive).
RANDOM walk for 692 steps (0 resets) in 6 ms. (98 steps per ms) remains 0/1 properties
Knowledge based reduction with 1 factoid took 68 ms. Reduced automaton from 5 states, 6 edges and 1 AP (stutter sensitive) to 5 states, 6 edges and 1 AP (stutter sensitive).
Stuttering acceptance computed with spot in 187 ms :[true, (NOT p0), (NOT p0), (NOT p0), (NOT p0)]
Knowledge-based reduction took 317 ms.
Stuttering acceptance computed with spot in 182 ms :[true, (NOT p0), (NOT p0), (NOT p0), (NOT p0)]
Support contains 8 out of 8 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 8/8 places, 12/12 transitions.
Applied a total of 0 rules in 0 ms. Remains 8 /8 variables (removed 0) and now considering 12/12 (removed 0) transitions.
Running 4 sub problems to find dead transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-17043711732679959626.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-9851178529590084077.kers'
[2026-05-26 21:54:28] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-17043711732679959626.kers, --Pflows, --basisKERS=/tmp/petrispot-output-9851178529590084077.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 12 rows 8 cols 32 entries
Finished phase 1 with 7 SingleSign rule and 0 generalized
[2026-05-26 21:54:28] [INFO ] Computed 1 invariants in 0 ms
Computed 1 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-9851178529590084077.kers
Total runtime 0 ms.
[2026-05-26 21:54:28] [INFO ] State equation strengthened by 4 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/4 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 1 (OVERLAPS) 4/8 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/8 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 3 (OVERLAPS) 12/20 variables, 8/9 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/20 variables, 4/13 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/20 variables, 0/13 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 6 (OVERLAPS) 0/20 variables, 0/13 constraints. Problems are: Problem set: 0 solved, 4 unsolved
No progress, stopping.
After SMT solving in domain Real declared 20/20 variables, and 13 constraints, problems are : Problem set: 0 solved, 4 unsolved in 62 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 8/8 constraints, ReadFeed: 4/4 constraints, PredecessorRefiner: 4/4 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 4 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/4 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 1 (OVERLAPS) 4/8 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/8 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 3 (OVERLAPS) 12/20 variables, 8/9 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/20 variables, 4/13 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/20 variables, 4/17 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/20 variables, 0/17 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 7 (OVERLAPS) 0/20 variables, 0/17 constraints. Problems are: Problem set: 0 solved, 4 unsolved
No progress, stopping.
After SMT solving in domain Int declared 20/20 variables, and 17 constraints, problems are : Problem set: 0 solved, 4 unsolved in 58 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 8/8 constraints, ReadFeed: 4/4 constraints, PredecessorRefiner: 4/4 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 126ms problems are : Problem set: 0 solved, 4 unsolved
Search for dead transitions found 0 dead transitions in 127ms
[2026-05-26 21:54:28] [INFO ] Invariant cache hit.
[2026-05-26 21:54:28] [INFO ] Implicit Places using invariants in 19 ms returned []
[2026-05-26 21:54:28] [INFO ] Invariant cache hit.
[2026-05-26 21:54:28] [INFO ] State equation strengthened by 4 read => feed constraints.
[2026-05-26 21:54:28] [INFO ] Implicit Places using invariants and state equation in 22 ms returned []
Implicit Place search using SMT with State Equation took 42 ms to find 0 implicit places.
Skipped dead transition search.
Finished structural reductions in LTL mode , in 1 iterations and 170 ms. Remains : 8/8 places, 12/12 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 56 ms. Reduced automaton from 5 states, 6 edges and 1 AP (stutter sensitive) to 5 states, 6 edges and 1 AP (stutter sensitive).
RANDOM walk for 1447 steps (0 resets) in 5 ms. (241 steps per ms) remains 0/1 properties
Knowledge based reduction with 1 factoid took 61 ms. Reduced automaton from 5 states, 6 edges and 1 AP (stutter sensitive) to 5 states, 6 edges and 1 AP (stutter sensitive).
Stuttering acceptance computed with spot in 164 ms :[true, (NOT p0), (NOT p0), (NOT p0), (NOT p0)]
Knowledge-based reduction took 285 ms.
Stuttering acceptance computed with spot in 166 ms :[true, (NOT p0), (NOT p0), (NOT p0), (NOT p0)]
Stuttering acceptance computed with spot in 186 ms :[true, (NOT p0), (NOT p0), (NOT p0), (NOT p0)]
Product exploration explored 100000 steps with 0 reset in 93 ms.
Product exploration explored 100000 steps with 0 reset in 140 ms.
Spot run failed in 72 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/ltsmin14542860129032174040
[2026-05-26 21:54:29] [INFO ] Built C files in 1ms conformant to PINS (ltsmin variant)in folder :/tmp/ltsmin14542860129032174040
Running compilation step : cd /tmp/ltsmin14542860129032174040;'/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 84 ms.
Running link step : cd /tmp/ltsmin14542860129032174040;'gcc' '-shared' '-o' 'gal.so' 'model.o'
Link finished in 29 ms.
Running LTSmin : cd /tmp/ltsmin14542860129032174040;'/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/stateBased2207886565437829210.hoa' '--buchi-type=spotba'
LTSmin run took 27 ms.
FORMULA PGCD-COL-D03N050-LTLFireability-09 FALSE TECHNIQUES EXPLICIT LTSMIN SAT_SMT
Treatment of property PGCD-COL-D03N050-LTLFireability-09 finished in 2251 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X((X(X(X(X(X(X(F(!p0)))))))||(X(!p0)&&p1))))'
Support contains 8 out of 12 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 12/12 places, 12/12 transitions.
Applied a total of 0 rules in 0 ms. Remains 12 /12 variables (removed 0) and now considering 12/12 (removed 0) transitions.
Running 4 sub problems to find dead transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-11989457200290880536.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-1706552490620826217.kers'
[2026-05-26 21:54:29] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-11989457200290880536.kers, --Pflows, --basisKERS=/tmp/petrispot-output-1706552490620826217.kers]
Culling duplicate invariants (modulo rational): removing 4 columns.
Culled 4 columns in 0 ms.
// Phase 1: matrix 12 rows 8 cols 32 entries
Finished phase 1 with 7 SingleSign rule and 0 generalized
[2026-05-26 21:54:29] [INFO ] Computed 5 invariants in 0 ms
Computed 5 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-1706552490620826217.kers
Total runtime 0 ms.
[2026-05-26 21:54:29] [INFO ] State equation strengthened by 4 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/8 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/8 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 2 (OVERLAPS) 4/12 variables, 1/5 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/12 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 4 (OVERLAPS) 12/24 variables, 12/17 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/24 variables, 4/21 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/24 variables, 0/21 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 7 (OVERLAPS) 0/24 variables, 0/21 constraints. Problems are: Problem set: 0 solved, 4 unsolved
No progress, stopping.
After SMT solving in domain Real declared 24/24 variables, and 21 constraints, problems are : Problem set: 0 solved, 4 unsolved in 74 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, Generalized P Invariants (flows): 4/4 constraints, State Equation: 12/12 constraints, ReadFeed: 4/4 constraints, PredecessorRefiner: 4/4 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 4 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/8 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/8 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 2 (OVERLAPS) 4/12 variables, 1/5 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/12 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 4 (OVERLAPS) 12/24 variables, 12/17 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/24 variables, 4/21 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/24 variables, 4/25 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/24 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 8 (OVERLAPS) 0/24 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 4 unsolved
No progress, stopping.
After SMT solving in domain Int declared 24/24 variables, and 25 constraints, problems are : Problem set: 0 solved, 4 unsolved in 72 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, Generalized P Invariants (flows): 4/4 constraints, State Equation: 12/12 constraints, ReadFeed: 4/4 constraints, PredecessorRefiner: 4/4 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 152ms problems are : Problem set: 0 solved, 4 unsolved
Search for dead transitions found 0 dead transitions in 153ms
[2026-05-26 21:54:30] [INFO ] Invariant cache hit.
[2026-05-26 21:54:30] [INFO ] Implicit Places using invariants in 22 ms returned [8, 9, 10, 11]
Discarding 4 places :
Implicit Place search using SMT only with invariants took 22 ms to find 4 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 8/12 places, 12/12 transitions.
Applied a total of 0 rules in 0 ms. Remains 8 /8 variables (removed 0) and now considering 12/12 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 176 ms. Remains : 8/12 places, 12/12 transitions.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X((X(X(X(X(X(X(F(p0)))))))||(X(p0)&&p1))))'
Stuttering acceptance computed with spot in 334 ms :[(NOT p0), (NOT p0), (NOT p0), (NOT p0), (NOT p0), (NOT p0), (NOT p0), (NOT p0), (NOT p0)]
Running random walk in product with property : PGCD-COL-D03N050-LTLFireability-11
Product exploration explored 100000 steps with 12500 reset in 76 ms.
Product exploration explored 100000 steps with 12500 reset in 84 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 3 factoid took 68 ms. Reduced automaton from 9 states, 10 edges and 2 AP (stutter sensitive) to 8 states, 8 edges and 1 AP (stutter sensitive).
RANDOM walk for 1045 steps (0 resets) in 7 ms. (130 steps per ms) remains 0/1 properties
Knowledge based reduction with 3 factoid took 78 ms. Reduced automaton from 8 states, 8 edges and 1 AP (stutter sensitive) to 8 states, 8 edges and 1 AP (stutter sensitive).
Stuttering acceptance computed with spot in 334 ms :[(NOT p0), (NOT p0), (NOT p0), (NOT p0), (NOT p0), (NOT p0), (NOT p0), (NOT p0)]
Knowledge-based reduction took 485 ms.
Stuttering acceptance computed with spot in 326 ms :[(NOT p0), (NOT p0), (NOT p0), (NOT p0), (NOT p0), (NOT p0), (NOT p0), (NOT p0)]
Support contains 8 out of 8 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 8/8 places, 12/12 transitions.
Applied a total of 0 rules in 0 ms. Remains 8 /8 variables (removed 0) and now considering 12/12 (removed 0) transitions.
Running 4 sub problems to find dead transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-11912158319480599038.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-17527094169762177302.kers'
[2026-05-26 21:54:31] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-11912158319480599038.kers, --Pflows, --basisKERS=/tmp/petrispot-output-17527094169762177302.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 12 rows 8 cols 32 entries
Finished phase 1 with 7 SingleSign rule and 0 generalized
[2026-05-26 21:54:31] [INFO ] Computed 1 invariants in 0 ms
Computed 1 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-17527094169762177302.kers
Total runtime 0 ms.
[2026-05-26 21:54:31] [INFO ] State equation strengthened by 4 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/4 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 1 (OVERLAPS) 4/8 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/8 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 3 (OVERLAPS) 12/20 variables, 8/9 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/20 variables, 4/13 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/20 variables, 0/13 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 6 (OVERLAPS) 0/20 variables, 0/13 constraints. Problems are: Problem set: 0 solved, 4 unsolved
No progress, stopping.
After SMT solving in domain Real declared 20/20 variables, and 13 constraints, problems are : Problem set: 0 solved, 4 unsolved in 65 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 8/8 constraints, ReadFeed: 4/4 constraints, PredecessorRefiner: 4/4 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 4 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/4 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 1 (OVERLAPS) 4/8 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/8 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 3 (OVERLAPS) 12/20 variables, 8/9 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/20 variables, 4/13 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/20 variables, 4/17 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/20 variables, 0/17 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 7 (OVERLAPS) 0/20 variables, 0/17 constraints. Problems are: Problem set: 0 solved, 4 unsolved
No progress, stopping.
After SMT solving in domain Int declared 20/20 variables, and 17 constraints, problems are : Problem set: 0 solved, 4 unsolved in 59 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 8/8 constraints, ReadFeed: 4/4 constraints, PredecessorRefiner: 4/4 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 129ms problems are : Problem set: 0 solved, 4 unsolved
Search for dead transitions found 0 dead transitions in 129ms
[2026-05-26 21:54:31] [INFO ] Invariant cache hit.
[2026-05-26 21:54:31] [INFO ] Implicit Places using invariants in 18 ms returned []
[2026-05-26 21:54:31] [INFO ] Invariant cache hit.
[2026-05-26 21:54:31] [INFO ] State equation strengthened by 4 read => feed constraints.
[2026-05-26 21:54:31] [INFO ] Implicit Places using invariants and state equation in 22 ms returned []
Implicit Place search using SMT with State Equation took 42 ms to find 0 implicit places.
Skipped dead transition search.
Finished structural reductions in LTL mode , in 1 iterations and 172 ms. Remains : 8/8 places, 12/12 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 54 ms. Reduced automaton from 8 states, 8 edges and 1 AP (stutter sensitive) to 8 states, 8 edges and 1 AP (stutter sensitive).
RANDOM walk for 1398 steps (0 resets) in 5 ms. (233 steps per ms) remains 0/1 properties
Knowledge based reduction with 1 factoid took 66 ms. Reduced automaton from 8 states, 8 edges and 1 AP (stutter sensitive) to 8 states, 8 edges and 1 AP (stutter sensitive).
Stuttering acceptance computed with spot in 335 ms :[(NOT p0), (NOT p0), (NOT p0), (NOT p0), (NOT p0), (NOT p0), (NOT p0), (NOT p0)]
Knowledge-based reduction took 459 ms.
Stuttering acceptance computed with spot in 291 ms :[(NOT p0), (NOT p0), (NOT p0), (NOT p0), (NOT p0), (NOT p0), (NOT p0), (NOT p0)]
Stuttering acceptance computed with spot in 334 ms :[(NOT p0), (NOT p0), (NOT p0), (NOT p0), (NOT p0), (NOT p0), (NOT p0), (NOT p0)]
Product exploration explored 100000 steps with 12500 reset in 75 ms.
Product exploration explored 100000 steps with 12500 reset in 82 ms.
Spot run failed in 45 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/ltsmin7369324958423764208
[2026-05-26 21:54:32] [INFO ] Built C files in 2ms conformant to PINS (ltsmin variant)in folder :/tmp/ltsmin7369324958423764208
Running compilation step : cd /tmp/ltsmin7369324958423764208;'/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 77 ms.
Running link step : cd /tmp/ltsmin7369324958423764208;'gcc' '-shared' '-o' 'gal.so' 'model.o'
Link finished in 33 ms.
Running LTSmin : cd /tmp/ltsmin7369324958423764208;'/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/stateBased15661590987149507856.hoa' '--buchi-type=spotba'
LTSmin run took 28 ms.
FORMULA PGCD-COL-D03N050-LTLFireability-11 TRUE TECHNIQUES EXPLICIT LTSMIN SAT_SMT
Treatment of property PGCD-COL-D03N050-LTLFireability-11 finished in 3147 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))))'
Support contains 8 out of 12 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 12/12 places, 12/12 transitions.
Applied a total of 0 rules in 1 ms. Remains 12 /12 variables (removed 0) and now considering 12/12 (removed 0) transitions.
Running 4 sub problems to find dead transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-489382848185405293.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-5064210834445468764.kers'
[2026-05-26 21:54:33] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-489382848185405293.kers, --Pflows, --basisKERS=/tmp/petrispot-output-5064210834445468764.kers]
Culling duplicate invariants (modulo rational): removing 4 columns.
Culled 4 columns in 0 ms.
// Phase 1: matrix 12 rows 8 cols 32 entries
Finished phase 1 with 7 SingleSign rule and 0 generalized
[2026-05-26 21:54:33] [INFO ] Computed 5 invariants in 0 ms
Computed 5 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-5064210834445468764.kers
Total runtime 0 ms.
[2026-05-26 21:54:33] [INFO ] State equation strengthened by 4 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/8 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/8 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 2 (OVERLAPS) 4/12 variables, 1/5 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/12 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 4 (OVERLAPS) 12/24 variables, 12/17 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/24 variables, 4/21 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/24 variables, 0/21 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 7 (OVERLAPS) 0/24 variables, 0/21 constraints. Problems are: Problem set: 0 solved, 4 unsolved
No progress, stopping.
After SMT solving in domain Real declared 24/24 variables, and 21 constraints, problems are : Problem set: 0 solved, 4 unsolved in 51 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, Generalized P Invariants (flows): 4/4 constraints, State Equation: 12/12 constraints, ReadFeed: 4/4 constraints, PredecessorRefiner: 4/4 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 4 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/8 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/8 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 2 (OVERLAPS) 4/12 variables, 1/5 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/12 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 4 (OVERLAPS) 12/24 variables, 12/17 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/24 variables, 4/21 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/24 variables, 4/25 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/24 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 8 (OVERLAPS) 0/24 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 4 unsolved
No progress, stopping.
After SMT solving in domain Int declared 24/24 variables, and 25 constraints, problems are : Problem set: 0 solved, 4 unsolved in 65 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, Generalized P Invariants (flows): 4/4 constraints, State Equation: 12/12 constraints, ReadFeed: 4/4 constraints, PredecessorRefiner: 4/4 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 122ms problems are : Problem set: 0 solved, 4 unsolved
Search for dead transitions found 0 dead transitions in 122ms
[2026-05-26 21:54:33] [INFO ] Invariant cache hit.
[2026-05-26 21:54:33] [INFO ] Implicit Places using invariants in 20 ms returned [8, 9, 10, 11]
Discarding 4 places :
Implicit Place search using SMT only with invariants took 21 ms to find 4 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 8/12 places, 12/12 transitions.
Applied a total of 0 rules in 0 ms. Remains 8 /8 variables (removed 0) and now considering 12/12 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 145 ms. Remains : 8/12 places, 12/12 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))))'
Stuttering acceptance computed with spot in 122 ms :[(NOT p0), (NOT p0), (NOT p0)]
Running random walk in product with property : PGCD-COL-D03N050-LTLFireability-12
Product exploration explored 100000 steps with 33333 reset in 64 ms.
Product exploration explored 100000 steps with 33333 reset in 66 ms.
Computed a total of 0 stabilizing places and 0 stable transitions
Computed a total of 0 stabilizing places and 0 stable transitions
Property proved to be true by K+ with min(!phi)
Knowledge based reduction with 2 factoid took 15 ms. Proved property starting from automaton with 3 states, 3 edges and 1 AP (stutter sensitive
Knowledge-based reduction took 17 ms.
FORMULA PGCD-COL-D03N050-LTLFireability-12 TRUE TECHNIQUES KNOWLEDGE
Treatment of property PGCD-COL-D03N050-LTLFireability-12 finished in 437 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(G((F(p0)&&F(G(!p1)))))'
Support contains 12 out of 12 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 12/12 places, 12/12 transitions.
Applied a total of 0 rules in 1 ms. Remains 12 /12 variables (removed 0) and now considering 12/12 (removed 0) transitions.
Skipped dead transition search.
[2026-05-26 21:54:33] [INFO ] Invariant cache hit.
[2026-05-26 21:54:33] [INFO ] Implicit Places using invariants in 15 ms returned []
[2026-05-26 21:54:33] [INFO ] Invariant cache hit.
[2026-05-26 21:54:33] [INFO ] State equation strengthened by 4 read => feed constraints.
[2026-05-26 21:54:33] [INFO ] Implicit Places using invariants and state equation in 20 ms returned []
Implicit Place search using SMT with State Equation took 35 ms to find 0 implicit places.
[2026-05-26 21:54:33] [INFO ] Redundant transitions in 1 ms returned []
Skipped dead transition search.
Finished structural reductions in SI_LTL mode , in 1 iterations and 44 ms. Remains : 12/12 places, 12/12 transitions.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(G((F(p0)&&F(G(p1)))))'
Stuttering acceptance computed with spot in 115 ms :[(OR (NOT p0) (NOT p1)), (NOT p0), (NOT p1)]
Running random walk in product with property : PGCD-COL-D03N050-LTLFireability-13
Product exploration explored 100000 steps with 0 reset in 97 ms.
Stack based approach found an accepted trace after 40 steps with 0 reset with depth 41 and stack size 41 in 0 ms.
FORMULA PGCD-COL-D03N050-LTLFireability-13 FALSE TECHNIQUES STACK_TEST
Treatment of property PGCD-COL-D03N050-LTLFireability-13 finished in 276 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(G((X(!p0)&&(X(F((p2&&F(!p0))))||p1))))'
Support contains 12 out of 12 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 12/12 places, 12/12 transitions.
Applied a total of 0 rules in 1 ms. Remains 12 /12 variables (removed 0) and now considering 12/12 (removed 0) transitions.
Skipped dead transition search.
[2026-05-26 21:54:33] [INFO ] Invariant cache hit.
[2026-05-26 21:54:33] [INFO ] Implicit Places using invariants in 22 ms returned []
[2026-05-26 21:54:33] [INFO ] Invariant cache hit.
[2026-05-26 21:54:33] [INFO ] State equation strengthened by 4 read => feed constraints.
[2026-05-26 21:54:33] [INFO ] Implicit Places using invariants and state equation in 20 ms returned []
Implicit Place search using SMT with State Equation took 44 ms to find 0 implicit places.
Skipped dead transition search.
Finished structural reductions in LTL mode , in 1 iterations and 45 ms. Remains : 12/12 places, 12/12 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(p0)&&(X(F((p2&&F(p0))))||p1))))'
Stuttering acceptance computed with spot in 192 ms :[(OR (NOT p0) (AND (NOT p1) (NOT p2))), (NOT p0), (OR (NOT p2) (NOT p0)), true, (NOT p0)]
Running random walk in product with property : PGCD-COL-D03N050-LTLFireability-14
Product exploration explored 100000 steps with 27879 reset in 97 ms.
Stack based approach found an accepted trace after 1196 steps with 343 reset with depth 5 and stack size 5 in 1 ms.
FORMULA PGCD-COL-D03N050-LTLFireability-14 FALSE TECHNIQUES STACK_TEST
Treatment of property PGCD-COL-D03N050-LTLFireability-14 finished in 368 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 12 out of 12 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 12/12 places, 12/12 transitions.
Applied a total of 0 rules in 1 ms. Remains 12 /12 variables (removed 0) and now considering 12/12 (removed 0) transitions.
Skipped dead transition search.
[2026-05-26 21:54:34] [INFO ] Invariant cache hit.
[2026-05-26 21:54:34] [INFO ] Implicit Places using invariants in 14 ms returned []
[2026-05-26 21:54:34] [INFO ] Invariant cache hit.
[2026-05-26 21:54:34] [INFO ] State equation strengthened by 4 read => feed constraints.
[2026-05-26 21:54:34] [INFO ] Implicit Places using invariants and state equation in 23 ms returned []
Implicit Place search using SMT with State Equation took 38 ms to find 0 implicit places.
[2026-05-26 21:54:34] [INFO ] Redundant transitions in 0 ms returned []
Skipped dead transition search.
Finished structural reductions in SI_LTL mode , in 1 iterations and 47 ms. Remains : 12/12 places, 12/12 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 40 ms :[(NOT p0)]
Running random walk in product with property : PGCD-COL-D03N050-LTLFireability-15
Product exploration explored 100000 steps with 0 reset in 120 ms.
Stack based approach found an accepted trace after 10 steps with 0 reset with depth 11 and stack size 11 in 0 ms.
FORMULA PGCD-COL-D03N050-LTLFireability-15 FALSE TECHNIQUES STACK_TEST
Treatment of property PGCD-COL-D03N050-LTLFireability-15 finished in 241 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)))'
Spot run failed in 46 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/senseclsl.py", line 2, in
import spot, sys
ModuleNotFoundError: No module named 'spot'
Warning : SL/CL computation failed.
[2026-05-26 21:54:34] [INFO ] Flatten gal took : 5 ms
Using solver Z3 to compute partial order matrices.
Built C files in :
/tmp/ltsmin15916497528994478476
[2026-05-26 21:54:34] [INFO ] Computing symmetric may disable matrix : 12 transitions.
[2026-05-26 21:54:34] [INFO ] Applying decomposition
[2026-05-26 21:54:34] [INFO ] Computation of Complete disable matrix. took 1 ms. Total solver calls (SAT/UNSAT): 0(0/0)
[2026-05-26 21:54:34] [INFO ] Computing symmetric may enable matrix : 12 transitions.
[2026-05-26 21:54:34] [INFO ] Computation of Complete enable matrix. took 1 ms. Total solver calls (SAT/UNSAT): 0(0/0)
[2026-05-26 21:54:34] [INFO ] Flatten gal took : 2 ms
[2026-05-26 21:54:34] [INFO ] Computing Do-Not-Accords matrix : 12 transitions.
[2026-05-26 21:54:34] [INFO ] Computation of Completed DNA matrix. took 0 ms. Total solver calls (SAT/UNSAT): 0(0/0)
[2026-05-26 21:54:34] [INFO ] Built C files in 5ms conformant to PINS (ltsmin variant)in folder :/tmp/ltsmin15916497528994478476
Running compilation step : cd /tmp/ltsmin15916497528994478476;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202604301425/bin/limit_time.pl' '720' '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'
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/graph3292084920730661198.txt' '-o' '/tmp/graph3292084920730661198.bin' '-w' '/tmp/graph3292084920730661198.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202604301425/bin/louvain-linux64' '/tmp/graph3292084920730661198.bin' '-l' '-1' '-v' '-w' '/tmp/graph3292084920730661198.weights' '-q' '0' '-e' '0.001'
[2026-05-26 21:54:34] [INFO ] Decomposing Gal with order
[2026-05-26 21:54:34] [INFO ] Rewriting arrays to variables to allow decomposition.
[2026-05-26 21:54:34] [INFO ] Flatten gal took : 1 ms
[2026-05-26 21:54:34] [INFO ] Fuse similar labels procedure discarded/fused a total of 0 labels/synchronizations in 0 ms.
[2026-05-26 21:54:34] [INFO ] Time to serialize gal into /tmp/LTLFireability5815731105506246511.gal : 0 ms
[2026-05-26 21:54:34] [INFO ] Time to serialize properties into /tmp/LTLFireability9143622142350225923.ltl : 0 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/LTLFireability5815731105506246511.gal' '-t' 'CGAL' '-LTL' '/tmp/LTLFireability9143622142350225923.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...276
Read 1 LTL properties
Checking formula 0 : !((G(F("(((((u0.p0_0>=1)&&(u0.p1_0>=1))&&(u0.p2_0>=1))||(((u3.p0_2>=1)&&(u3.p1_2>=1))&&(u3.p2_2>=1)))||((((u2.p0_1>=1)&&(u2.p1_1>=1))&...222
Formula 0 simplified : FG!"(((((u0.p0_0>=1)&&(u0.p1_0>=1))&&(u0.p2_0>=1))||(((u3.p0_2>=1)&&(u3.p1_2>=1))&&(u3.p2_2>=1)))||((((u2.p0_1>=1)&&(u2.p1_1>=1))&&(...216
Compilation finished in 73 ms.
Running link step : cd /tmp/ltsmin15916497528994478476;'gcc' '-shared' '-o' 'gal.so' 'model.o'
Link finished in 32 ms.
Running LTSmin : cd /tmp/ltsmin15916497528994478476;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202604301425/bin/pins2lts-seq-linux64' './gal.so' '-p' '--pins-guards' '--when' '--ltl' '[](<>((LTLAPp0==true)))' '--buchi-type=spotba'
Reverse transition relation is NOT exact ! Due to transitions u0.t0, u1.t3, u2.t1, u3.t2, Intersection with reachable at each step enabled. (destroyed/rev...186
2 unique states visited
0 strongly connected components in search stack
2 transitions explored
2 items max in DFS search stack
70017 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,0,700.188,2213216,1,0,1.08819e+06,1.94683e+06,145,1.11368e+06,670,5.96234e+06,54555
no accepting run found
Formula 0 is TRUE no accepting run found.
FORMULA PGCD-COL-D03N050-LTLFireability-05 TRUE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL USE_NUPN
WARNING : LTS min runner thread was asked to interrupt. Dying gracefully.
Total runtime 794432 ms.

BK_STOP 1779833176455

--------------------
content from stderr:

+ export BINDIR=/home/mcc/BenchKit/bin//../itstools/bin//../
+ BINDIR=/home/mcc/BenchKit/bin//../itstools/bin//../
++ pwd
+ export MODEL=/home/mcc/execution
+ MODEL=/home/mcc/execution
+ [[ LTLFireability = StateSpace ]]
+ /home/mcc/BenchKit/bin//../itstools/bin//..//runeclipse.sh /home/mcc/execution LTLFireability -its -ltsmin -greatspnpath /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/ -order META -manyOrder -smt -timeout 3600
+ ulimit -s 65536
+ [[ -z '' ]]
+ export LTSMIN_MEM_SIZE=8589934592
+ LTSMIN_MEM_SIZE=8589934592
++ sed s/.jar//
++ ls /home/mcc/BenchKit/bin//../itstools/bin//..//itstools/plugins/fr.lip6.move.gal.application.pnmcc_1.0.0.202604301425.jar
++ perl -pe 's/.*\.//g'
+ VERSION=202604301425
+ echo 'Running Version 202604301425'
+ /home/mcc/BenchKit/bin//../itstools/bin//..//itstools/its-tools -pnfolder /home/mcc/execution -examination LTLFireability -its -ltsmin -greatspnpath /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/ -order META -manyOrder -smt -timeout 3600

Sequence of Actions to be Executed by the VM

This is useful if one wants to reexecute the tool in the VM from the submitted image disk.

set -x
# this is for BenchKit: configuration of major elements for the test
export BK_INPUT="PGCD-COL-D03N050"
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 PGCD-COL-D03N050, 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 r194-tall-177969914300772"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/PGCD-COL-D03N050.tgz
mv PGCD-COL-D03N050 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 ;