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-177969914300780.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-D04N025, examination is LTLFireability
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r194-tall-177969914300780
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 492K
-rw-r--r-- 1 mcc users 5.9K Mar 8 14:40 CTLCardinality.txt
-rw-r--r-- 1 mcc users 60K Mar 8 14:40 CTLCardinality.xml
-rw-r--r-- 1 mcc users 5.4K Mar 8 14:39 CTLFireability.txt
-rw-r--r-- 1 mcc users 52K Mar 8 14:39 CTLFireability.xml
-rw-r--r-- 1 mcc users 3.5K Mar 17 06:58 LTLCardinality.txt
-rw-r--r-- 1 mcc users 26K 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 17K Mar 17 06:58 LTLFireability.xml
-rw-r--r-- 1 mcc users 15K Mar 8 14:40 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 166K Mar 8 14:40 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 8.4K Mar 8 14:40 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 79K Mar 8 14:40 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-D04N025-LTLFireability-00
FORMULA_NAME PGCD-COL-D04N025-LTLFireability-01
FORMULA_NAME PGCD-COL-D04N025-LTLFireability-02
FORMULA_NAME PGCD-COL-D04N025-LTLFireability-03
FORMULA_NAME PGCD-COL-D04N025-LTLFireability-04
FORMULA_NAME PGCD-COL-D04N025-LTLFireability-05
FORMULA_NAME PGCD-COL-D04N025-LTLFireability-06
FORMULA_NAME PGCD-COL-D04N025-LTLFireability-07
FORMULA_NAME PGCD-COL-D04N025-LTLFireability-08
FORMULA_NAME PGCD-COL-D04N025-LTLFireability-09
FORMULA_NAME PGCD-COL-D04N025-LTLFireability-10
FORMULA_NAME PGCD-COL-D04N025-LTLFireability-11
FORMULA_NAME PGCD-COL-D04N025-LTLFireability-12
FORMULA_NAME PGCD-COL-D04N025-LTLFireability-13
FORMULA_NAME PGCD-COL-D04N025-LTLFireability-14
FORMULA_NAME PGCD-COL-D04N025-LTLFireability-15

=== Now, execution of the tool begins

BK_START 1779833205374

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-D04N025
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is COL
LTLFireability COL
Running Version 202604301425
[2026-05-26 22:06:46] [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 22:06:46] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-05-26 22:06:46] [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 22:06:46] [WARNING] Using fallBack plugin, rng conformance not checked
[2026-05-26 22:06:47] [INFO ] Load time of PNML (colored model parsed with PNMLFW) : 475 ms
[2026-05-26 22:06:47] [INFO ] Imported 3 HL places and 3 HL transitions for a total of 15 PT places and 15.0 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 22:06:47] [INFO ] Built PT skeleton of HLPN with 3 places and 3 transitions 14 arcs in 3 ms.
[2026-05-26 22:06:47] [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) 5)]] contains successor/predecessor on variables of sort CD
[2026-05-26 22:06:47] [INFO ] Unfolded HLPN to a Petri net with 15 places and 15 transitions 70 arcs in 11 ms.
[2026-05-26 22:06:47] [INFO ] Unfolded 16 HLPN properties in 0 ms.
Initial state reduction rules removed 4 formulas.
FORMULA PGCD-COL-D04N025-LTLFireability-00 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA PGCD-COL-D04N025-LTLFireability-05 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA PGCD-COL-D04N025-LTLFireability-09 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA PGCD-COL-D04N025-LTLFireability-15 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Support contains 15 out of 15 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 15/15 places, 15/15 transitions.
Applied a total of 0 rules in 5 ms. Remains 15 /15 variables (removed 0) and now considering 15/15 (removed 0) transitions.
Running 5 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-7353320685260209252.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-4756699961374203944.kers'
[2026-05-26 22:06:47] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-7353320685260209252.kers, --Pflows, --basisKERS=/tmp/petrispot-output-4756699961374203944.kers]
Culling duplicate invariants (modulo rational): removing 5 columns.
Culled 5 columns in 0 ms.
// Phase 1: matrix 15 rows 10 cols 40 entries
Finished phase 1 with 9 SingleSign rule and 0 generalized
[2026-05-26 22:06:47] [INFO ] Computed 6 invariants in 0 ms
Computed 6 P flows in 1 ms.
Exported basis to /tmp/petrispot-output-4756699961374203944.kers
Total runtime 1 ms.
[2026-05-26 22:06:47] [INFO ] State equation strengthened by 5 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/10 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/10 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 2 (OVERLAPS) 5/15 variables, 1/6 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/15 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 4 (OVERLAPS) 15/30 variables, 15/21 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/30 variables, 5/26 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/30 variables, 0/26 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 7 (OVERLAPS) 0/30 variables, 0/26 constraints. Problems are: Problem set: 0 solved, 5 unsolved
No progress, stopping.
After SMT solving in domain Real declared 30/30 variables, and 26 constraints, problems are : Problem set: 0 solved, 5 unsolved in 216 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, Generalized P Invariants (flows): 5/5 constraints, State Equation: 15/15 constraints, ReadFeed: 5/5 constraints, PredecessorRefiner: 5/5 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 5 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/10 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/10 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 2 (OVERLAPS) 5/15 variables, 1/6 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/15 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 4 (OVERLAPS) 15/30 variables, 15/21 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/30 variables, 5/26 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/30 variables, 5/31 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/30 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 8 (OVERLAPS) 0/30 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 5 unsolved
No progress, stopping.
After SMT solving in domain Int declared 30/30 variables, and 31 constraints, problems are : Problem set: 0 solved, 5 unsolved in 114 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, Generalized P Invariants (flows): 5/5 constraints, State Equation: 15/15 constraints, ReadFeed: 5/5 constraints, PredecessorRefiner: 5/5 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 378ms problems are : Problem set: 0 solved, 5 unsolved
Search for dead transitions found 0 dead transitions in 390ms
[2026-05-26 22:06:47] [INFO ] Invariant cache hit.
[2026-05-26 22:06:47] [INFO ] Implicit Places using invariants in 28 ms returned []
[2026-05-26 22:06:47] [INFO ] Invariant cache hit.
[2026-05-26 22:06:47] [INFO ] State equation strengthened by 5 read => feed constraints.
[2026-05-26 22:06:47] [INFO ] Implicit Places using invariants and state equation in 36 ms returned []
Implicit Place search using SMT with State Equation took 71 ms to find 0 implicit places.
Skipped dead transition search.
Finished structural reductions in LTL mode , in 1 iterations and 523 ms. Remains : 15/15 places, 15/15 transitions.
Starting structural reductions in LTL mode, iteration 0 : 15/15 places, 15/15 transitions.
Applied a total of 0 rules in 1 ms. Remains 15 /15 variables (removed 0) and now considering 15/15 (removed 0) transitions.
Skipped dead transition search.
[2026-05-26 22:06:47] [INFO ] Invariant cache hit.
[2026-05-26 22:06:47] [INFO ] Implicit Places using invariants in 17 ms returned []
[2026-05-26 22:06:47] [INFO ] Invariant cache hit.
[2026-05-26 22:06:47] [INFO ] State equation strengthened by 5 read => feed constraints.
[2026-05-26 22:06:47] [INFO ] Implicit Places using invariants and state equation in 39 ms returned []
Implicit Place search using SMT with State Equation took 58 ms to find 0 implicit places.
Skipped dead transition search.
Finished structural reductions in LTL mode , in 1 iterations and 59 ms. Remains : 15/15 places, 15/15 transitions.
Support contains 15 out of 15 places after structural reductions.
[2026-05-26 22:06:47] [INFO ] Flatten gal took : 15 ms
[2026-05-26 22:06:47] [INFO ] Flatten gal took : 5 ms
[2026-05-26 22:06:47] [INFO ] Input system was already deterministic with 15 transitions.
Reduction of identical properties reduced properties to check from 6 to 4
RANDOM walk for 490 steps (0 resets) in 15 ms. (30 steps per ms) remains 0/4 properties
Computed a total of 0 stabilizing places and 0 stable transitions
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!((X((p0&&X(p1)))&&G((X((X(X(p3)) U (p0&&X(X(p3)))))||p2))))'
Support contains 15 out of 15 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 15/15 places, 15/15 transitions.
Applied a total of 0 rules in 0 ms. Remains 15 /15 variables (removed 0) and now considering 15/15 (removed 0) transitions.
Skipped dead transition search.
[2026-05-26 22:06:48] [INFO ] Invariant cache hit.
[2026-05-26 22:06:48] [INFO ] Implicit Places using invariants in 21 ms returned []
[2026-05-26 22:06:48] [INFO ] Invariant cache hit.
[2026-05-26 22:06:48] [INFO ] State equation strengthened by 5 read => feed constraints.
[2026-05-26 22:06:48] [INFO ] Implicit Places using invariants and state equation in 29 ms returned []
Implicit Place search using SMT with State Equation took 52 ms to find 0 implicit places.
Skipped dead transition search.
Finished structural reductions in LTL mode , in 1 iterations and 52 ms. Remains : 15/15 places, 15/15 transitions.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!((X((p0&&X(p1)))&&G((X((X(X(p3)) U (p0&&X(X(p3)))))||p2))))'
Stuttering acceptance computed with spot in 473 ms :[(OR (NOT p0) (NOT p1) (AND (NOT p2) (NOT p3))), (OR (NOT p0) (NOT p1)), (OR (NOT p3) (NOT p0)), (OR (AND (NOT p2) (NOT p3)) (AND (NOT p0) (NOT p2))), true, (NOT p1), (NOT p3), (NOT p3)]
Running random walk in product with property : PGCD-COL-D04N025-LTLFireability-01
Product exploration explored 100000 steps with 0 reset in 252 ms.
Entered a terminal (fully accepting) state of product in 2 steps with 0 reset in 0 ms.
FORMULA PGCD-COL-D04N025-LTLFireability-01 FALSE TECHNIQUES STUTTER_TEST
Treatment of property PGCD-COL-D04N025-LTLFireability-01 finished in 853 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!((F(p0) U X((X((X(X(p2))||p1))||!(p0 U p2)))))'
Support contains 15 out of 15 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 15/15 places, 15/15 transitions.
Applied a total of 0 rules in 2 ms. Remains 15 /15 variables (removed 0) and now considering 15/15 (removed 0) transitions.
Skipped dead transition search.
[2026-05-26 22:06:49] [INFO ] Invariant cache hit.
[2026-05-26 22:06:49] [INFO ] Implicit Places using invariants in 20 ms returned []
[2026-05-26 22:06:49] [INFO ] Invariant cache hit.
[2026-05-26 22:06:49] [INFO ] State equation strengthened by 5 read => feed constraints.
[2026-05-26 22:06:49] [INFO ] Implicit Places using invariants and state equation in 31 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 55 ms. Remains : 15/15 places, 15/15 transitions.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!((F(p0) U X((X((X(X(p2))||p1))||!(p0 U p2)))))'
Stuttering acceptance computed with spot in 572 ms :[false, (AND (NOT p0) (NOT p2) (NOT p1)), (AND (NOT p0) (NOT p1) (NOT p2)), (AND (NOT p0) (NOT p1) (NOT p2)), false, false, false, false, false, (AND (NOT p0) (NOT p2)), (NOT p0), (AND (NOT p0) (NOT p2)), (AND (NOT p0) (NOT p2))]
Running random walk in product with property : PGCD-COL-D04N025-LTLFireability-02
Product exploration explored 100000 steps with 33333 reset in 133 ms.
Product exploration explored 100000 steps with 33333 reset in 147 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 7 factoid took 15 ms. Proved property starting from automaton with 13 states, 16 edges and 3 AP (stutter sensitive
Knowledge-based reduction took 20 ms.
FORMULA PGCD-COL-D04N025-LTLFireability-02 TRUE TECHNIQUES KNOWLEDGE
Treatment of property PGCD-COL-D04N025-LTLFireability-02 finished in 972 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)&&F(!p0))))'
Support contains 10 out of 15 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 15/15 places, 15/15 transitions.
Applied a total of 0 rules in 1 ms. Remains 15 /15 variables (removed 0) and now considering 15/15 (removed 0) transitions.
Skipped dead transition search.
[2026-05-26 22:06:50] [INFO ] Invariant cache hit.
[2026-05-26 22:06:50] [INFO ] Implicit Places using invariants in 29 ms returned []
[2026-05-26 22:06:50] [INFO ] Invariant cache hit.
[2026-05-26 22:06:50] [INFO ] State equation strengthened by 5 read => feed constraints.
[2026-05-26 22:06:50] [INFO ] Implicit Places using invariants and state equation in 32 ms returned []
Implicit Place search using SMT with State Equation took 63 ms to find 0 implicit places.
Skipped dead transition search.
Finished structural reductions in LTL mode , in 1 iterations and 65 ms. Remains : 15/15 places, 15/15 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)&&F(!p0))))'
Stuttering acceptance computed with spot in 151 ms :[true, true, (NOT p0), p0, true]
Running random walk in product with property : PGCD-COL-D04N025-LTLFireability-03
Entered a terminal (fully accepting) state of product in 2 steps with 0 reset in 0 ms.
FORMULA PGCD-COL-D04N025-LTLFireability-03 FALSE TECHNIQUES STUTTER_TEST
Treatment of property PGCD-COL-D04N025-LTLFireability-03 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((X(F(!p0))||(F(G(!p1))&&F(p2)))))'
Support contains 15 out of 15 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 15/15 places, 15/15 transitions.
Applied a total of 0 rules in 4 ms. Remains 15 /15 variables (removed 0) and now considering 15/15 (removed 0) transitions.
Skipped dead transition search.
[2026-05-26 22:06:50] [INFO ] Invariant cache hit.
[2026-05-26 22:06:50] [INFO ] Implicit Places using invariants in 21 ms returned []
[2026-05-26 22:06:50] [INFO ] Invariant cache hit.
[2026-05-26 22:06:50] [INFO ] State equation strengthened by 5 read => feed constraints.
[2026-05-26 22:06:50] [INFO ] Implicit Places using invariants and state equation in 31 ms returned []
Implicit Place search using SMT with State Equation took 54 ms to find 0 implicit places.
[2026-05-26 22:06:50] [INFO ] Redundant transitions in 1 ms returned []
Skipped dead transition search.
Finished structural reductions in SI_LTL mode , in 1 iterations and 63 ms. Remains : 15/15 places, 15/15 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(F(p0))||(F(G(p1))&&F(p2)))))'
Stuttering acceptance computed with spot in 124 ms :[(OR (AND (NOT p0) (NOT p1)) (AND (NOT p0) (NOT p2))), (AND (NOT p1) (NOT p0)), (AND (NOT p0) (NOT p2))]
Running random walk in product with property : PGCD-COL-D04N025-LTLFireability-04
Product exploration explored 100000 steps with 9 reset in 179 ms.
Stack based approach found an accepted trace after 15 steps with 0 reset with depth 16 and stack size 16 in 0 ms.
FORMULA PGCD-COL-D04N025-LTLFireability-04 FALSE TECHNIQUES STACK_TEST
Treatment of property PGCD-COL-D04N025-LTLFireability-04 finished in 400 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 15 out of 15 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 15/15 places, 15/15 transitions.
Applied a total of 0 rules in 3 ms. Remains 15 /15 variables (removed 0) and now considering 15/15 (removed 0) transitions.
Skipped dead transition search.
[2026-05-26 22:06:50] [INFO ] Invariant cache hit.
[2026-05-26 22:06:50] [INFO ] Implicit Places using invariants in 20 ms returned []
[2026-05-26 22:06:50] [INFO ] Invariant cache hit.
[2026-05-26 22:06:50] [INFO ] State equation strengthened by 5 read => feed constraints.
[2026-05-26 22:06:50] [INFO ] Implicit Places using invariants and state equation in 31 ms returned []
Implicit Place search using SMT with State Equation took 52 ms to find 0 implicit places.
[2026-05-26 22:06:50] [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 : 15/15 places, 15/15 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 35 ms :[(NOT p0)]
Running random walk in product with property : PGCD-COL-D04N025-LTLFireability-06
Product exploration explored 100000 steps with 0 reset in 135 ms.
Product exploration explored 100000 steps with 0 reset in 227 ms.
Computed a total of 0 stabilizing places and 0 stable transitions
Computed a total of 0 stabilizing places and 0 stable transitions
Knowledge based reduction with 2 factoid took 87 ms. Reduced automaton from 1 states, 2 edges and 1 AP (stutter insensitive) to 1 states, 2 edges and 1 AP (stutter insensitive).
RANDOM walk for 104 steps (0 resets) in 4 ms. (20 steps per ms) remains 0/1 properties
Knowledge based reduction with 2 factoid took 68 ms. Reduced automaton from 1 states, 2 edges and 1 AP (stutter insensitive) to 1 states, 2 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 29 ms :[(NOT p0)]
[2026-05-26 22:06:51] [INFO ] Invariant cache hit.
[2026-05-26 22:06:51] [INFO ] [Real]Absence check using 1 positive place invariants in 0 ms returned sat
[2026-05-26 22:06:51] [INFO ] [Real]Absence check using 1 positive and 5 generalized place invariants in 1 ms returned sat
[2026-05-26 22:06:51] [INFO ] [Real]Absence check using state equation in 6 ms returned sat
[2026-05-26 22:06:51] [INFO ] Solution in real domain found non-integer solution.
[2026-05-26 22:06:51] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-26 22:06:51] [INFO ] [Nat]Absence check using 1 positive and 5 generalized place invariants in 1 ms returned sat
[2026-05-26 22:06:51] [INFO ] [Nat]Absence check using state equation in 8 ms returned sat
[2026-05-26 22:06:51] [INFO ] State equation strengthened by 5 read => feed constraints.
[2026-05-26 22:06:51] [INFO ] [Nat]Added 5 Read/Feed constraints in 1 ms returned sat
[2026-05-26 22:06:51] [INFO ] Computed and/alt/rep : 5/10/5 causal constraints (skipped 0 transitions) in 1 ms.
[2026-05-26 22:06:51] [INFO ] Added : 1 causal constraints over 1 iterations in 13 ms. Result :sat
Could not prove EG (NOT p0)
Knowledge-based reduction took 321 ms.
Stuttering acceptance computed with spot in 37 ms :[(NOT p0)]
Support contains 15 out of 15 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 15/15 places, 15/15 transitions.
Applied a total of 0 rules in 1 ms. Remains 15 /15 variables (removed 0) and now considering 15/15 (removed 0) transitions.
Skipped dead transition search.
[2026-05-26 22:06:51] [INFO ] Invariant cache hit.
[2026-05-26 22:06:51] [INFO ] Implicit Places using invariants in 22 ms returned []
[2026-05-26 22:06:51] [INFO ] Invariant cache hit.
[2026-05-26 22:06:51] [INFO ] State equation strengthened by 5 read => feed constraints.
[2026-05-26 22:06:51] [INFO ] Implicit Places using invariants and state equation in 26 ms returned []
Implicit Place search using SMT with State Equation took 51 ms to find 0 implicit places.
[2026-05-26 22:06:51] [INFO ] Redundant transitions in 0 ms returned []
Skipped dead transition search.
Finished structural reductions in SI_LTL mode , in 1 iterations and 57 ms. Remains : 15/15 places, 15/15 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 2 factoid took 67 ms. Reduced automaton from 1 states, 2 edges and 1 AP (stutter insensitive) to 1 states, 2 edges and 1 AP (stutter insensitive).
RANDOM walk for 104 steps (0 resets) in 6 ms. (14 steps per ms) remains 0/1 properties
Knowledge based reduction with 2 factoid took 65 ms. Reduced automaton from 1 states, 2 edges and 1 AP (stutter insensitive) to 1 states, 2 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 46 ms :[(NOT p0)]
[2026-05-26 22:06:51] [INFO ] Invariant cache hit.
[2026-05-26 22:06:51] [INFO ] [Real]Absence check using 1 positive place invariants in 0 ms returned sat
[2026-05-26 22:06:51] [INFO ] [Real]Absence check using 1 positive and 5 generalized place invariants in 19 ms returned sat
[2026-05-26 22:06:51] [INFO ] [Real]Absence check using state equation in 9 ms returned sat
[2026-05-26 22:06:51] [INFO ] Solution in real domain found non-integer solution.
[2026-05-26 22:06:51] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-26 22:06:51] [INFO ] [Nat]Absence check using 1 positive and 5 generalized place invariants in 1 ms returned sat
[2026-05-26 22:06:51] [INFO ] [Nat]Absence check using state equation in 6 ms returned sat
[2026-05-26 22:06:51] [INFO ] State equation strengthened by 5 read => feed constraints.
[2026-05-26 22:06:51] [INFO ] [Nat]Added 5 Read/Feed constraints in 1 ms returned sat
[2026-05-26 22:06:51] [INFO ] Computed and/alt/rep : 5/10/5 causal constraints (skipped 0 transitions) in 1 ms.
[2026-05-26 22:06:51] [INFO ] Added : 1 causal constraints over 1 iterations in 6 ms. Result :sat
Could not prove EG (NOT p0)
Knowledge-based reduction took 313 ms.
Stuttering acceptance computed with spot in 35 ms :[(NOT p0)]
Stuttering acceptance computed with spot in 27 ms :[(NOT p0)]
Product exploration explored 100000 steps with 0 reset in 169 ms.
Product exploration explored 100000 steps with 0 reset in 167 ms.
Built C files in :
/tmp/ltsmin831689418729188634
[2026-05-26 22:06:52] [INFO ] Computing symmetric may disable matrix : 15 transitions.
[2026-05-26 22:06:52] [INFO ] Computation of Complete disable matrix. took 0 ms. Total solver calls (SAT/UNSAT): 0(0/0)
[2026-05-26 22:06:52] [INFO ] Computing symmetric may enable matrix : 15 transitions.
[2026-05-26 22:06:52] [INFO ] Computation of Complete enable matrix. took 0 ms. Total solver calls (SAT/UNSAT): 0(0/0)
[2026-05-26 22:06:52] [INFO ] Computing Do-Not-Accords matrix : 15 transitions.
[2026-05-26 22:06:52] [INFO ] Computation of Completed DNA matrix. took 0 ms. Total solver calls (SAT/UNSAT): 0(0/0)
[2026-05-26 22:06:52] [INFO ] Built C files in 13ms conformant to PINS (ltsmin variant)in folder :/tmp/ltsmin831689418729188634
Running compilation step : cd /tmp/ltsmin831689418729188634;'/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 210 ms.
Running link step : cd /tmp/ltsmin831689418729188634;'gcc' '-shared' '-o' 'gal.so' 'model.o'
Link finished in 44 ms.
Running LTSmin : cd /tmp/ltsmin831689418729188634;'/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/stateBased2535350017749642517.hoa' '--buchi-type=spotba'
LTSmin run took 40 ms.
FORMULA PGCD-COL-D04N025-LTLFireability-06 FALSE TECHNIQUES PARTIAL_ORDER EXPLICIT LTSMIN SAT_SMT
Treatment of property PGCD-COL-D04N025-LTLFireability-06 finished in 1990 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((X(p0)||G(!p1))))))'
Support contains 15 out of 15 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 15/15 places, 15/15 transitions.
Applied a total of 0 rules in 0 ms. Remains 15 /15 variables (removed 0) and now considering 15/15 (removed 0) transitions.
Skipped dead transition search.
[2026-05-26 22:06:52] [INFO ] Invariant cache hit.
[2026-05-26 22:06:52] [INFO ] Implicit Places using invariants in 49 ms returned []
[2026-05-26 22:06:52] [INFO ] Invariant cache hit.
[2026-05-26 22:06:52] [INFO ] State equation strengthened by 5 read => feed constraints.
[2026-05-26 22:06:52] [INFO ] Implicit Places using invariants and state equation in 30 ms returned []
Implicit Place search using SMT with State Equation took 81 ms to find 0 implicit places.
Skipped dead transition search.
Finished structural reductions in LTL mode , in 1 iterations and 82 ms. Remains : 15/15 places, 15/15 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((X(p0)||G(p1))))))'
Stuttering acceptance computed with spot in 191 ms :[(AND (NOT p1) (NOT p0)), (AND (NOT p1) (NOT p0)), (AND (NOT p1) (NOT p0)), (AND (NOT p1) (NOT p0))]
Running random walk in product with property : PGCD-COL-D04N025-LTLFireability-07
Product exploration explored 100000 steps with 25000 reset in 103 ms.
Product exploration explored 100000 steps with 25000 reset in 104 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 71 ms. Reduced automaton from 4 states, 5 edges and 2 AP (stutter sensitive) to 4 states, 5 edges and 2 AP (stutter sensitive).
RANDOM walk for 40062 steps (8 resets) in 131 ms. (303 steps per ms) remains 1/4 properties
BEST_FIRST walk for 40002 steps (8 resets) in 309 ms. (129 steps per ms) remains 1/1 properties
[2026-05-26 22:06:53] [INFO ] Invariant cache hit.
[2026-05-26 22:06:53] [INFO ] State equation strengthened by 5 read => feed constraints.
Problem apf0 is UNSAT
After SMT solving in domain Real declared 15/30 variables, and 0 constraints, problems are : Problem set: 1 solved, 0 unsolved in 19 ms.
Refiners :[Positive P Invariants (semi-flows): 0/1 constraints, Generalized P Invariants (flows): 0/5 constraints, State Equation: 0/15 constraints, ReadFeed: 0/5 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 23ms problems are : Problem set: 1 solved, 0 unsolved
Skipping Parikh replay, no witness traces provided.
Found 1 invariant AP formulas.
Property proved to be true by K+ with min(!phi)
Knowledge based reduction with 2 factoid took 16 ms. Proved property starting from automaton with 4 states, 5 edges and 2 AP (stutter sensitive
Knowledge-based reduction took 233 ms.
FORMULA PGCD-COL-D04N025-LTLFireability-07 TRUE TECHNIQUES KNOWLEDGE
Treatment of property PGCD-COL-D04N025-LTLFireability-07 finished in 742 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((G(!p0)&&F(!p1)&&F(p2))))'
Support contains 15 out of 15 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 15/15 places, 15/15 transitions.
Applied a total of 0 rules in 0 ms. Remains 15 /15 variables (removed 0) and now considering 15/15 (removed 0) transitions.
Skipped dead transition search.
[2026-05-26 22:06:53] [INFO ] Invariant cache hit.
[2026-05-26 22:06:53] [INFO ] Implicit Places using invariants in 29 ms returned []
[2026-05-26 22:06:53] [INFO ] Invariant cache hit.
[2026-05-26 22:06:53] [INFO ] State equation strengthened by 5 read => feed constraints.
[2026-05-26 22:06:53] [INFO ] Implicit Places using invariants and state equation in 26 ms returned []
Implicit Place search using SMT with State Equation took 58 ms to find 0 implicit places.
Skipped dead transition search.
Finished structural reductions in LTL mode , in 1 iterations and 59 ms. Remains : 15/15 places, 15/15 transitions.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X((G(p0)&&F(p1)&&F(p2))))'
Stuttering acceptance computed with spot in 210 ms :[(NOT p0), (OR (NOT p0) (NOT p1)), (OR (NOT p0) (NOT p2)), true, (OR (NOT p1) (NOT p2) (NOT p0)), (OR (NOT p0) (NOT p1) (NOT p2))]
Running random walk in product with property : PGCD-COL-D04N025-LTLFireability-08
Entered a terminal (fully accepting) state of product in 1 steps with 0 reset in 0 ms.
FORMULA PGCD-COL-D04N025-LTLFireability-08 FALSE TECHNIQUES STUTTER_TEST
Treatment of property PGCD-COL-D04N025-LTLFireability-08 finished in 301 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(F(p0)))))))'
Support contains 15 out of 15 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 15/15 places, 15/15 transitions.
Applied a total of 0 rules in 0 ms. Remains 15 /15 variables (removed 0) and now considering 15/15 (removed 0) transitions.
Skipped dead transition search.
[2026-05-26 22:06:53] [INFO ] Invariant cache hit.
[2026-05-26 22:06:53] [INFO ] Implicit Places using invariants in 30 ms returned []
[2026-05-26 22:06:53] [INFO ] Invariant cache hit.
[2026-05-26 22:06:53] [INFO ] State equation strengthened by 5 read => feed constraints.
[2026-05-26 22:06:53] [INFO ] Implicit Places using invariants and state equation in 34 ms returned []
Implicit Place search using SMT with State Equation took 66 ms to find 0 implicit places.
Skipped dead transition search.
Finished structural reductions in LTL mode , in 1 iterations and 66 ms. Remains : 15/15 places, 15/15 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(F(p0)))))))'
Stuttering acceptance computed with spot in 262 ms :[(NOT p0), (NOT p0), (NOT p0), (NOT p0), (NOT p0), (NOT p0)]
Running random walk in product with property : PGCD-COL-D04N025-LTLFireability-10
Product exploration explored 100000 steps with 16666 reset in 133 ms.
Product exploration explored 100000 steps with 16666 reset in 157 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 42 ms. Reduced automaton from 6 states, 6 edges and 1 AP (stutter sensitive) to 6 states, 6 edges and 1 AP (stutter sensitive).
RANDOM walk for 637 steps (0 resets) in 5 ms. (106 steps per ms) remains 0/1 properties
Knowledge based reduction with 1 factoid took 62 ms. Reduced automaton from 6 states, 6 edges and 1 AP (stutter sensitive) to 6 states, 6 edges and 1 AP (stutter sensitive).
Stuttering acceptance computed with spot in 232 ms :[(NOT p0), (NOT p0), (NOT p0), (NOT p0), (NOT p0), (NOT p0)]
Knowledge-based reduction took 339 ms.
Stuttering acceptance computed with spot in 252 ms :[(NOT p0), (NOT p0), (NOT p0), (NOT p0), (NOT p0), (NOT p0)]
Support contains 15 out of 15 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 15/15 places, 15/15 transitions.
Applied a total of 0 rules in 0 ms. Remains 15 /15 variables (removed 0) and now considering 15/15 (removed 0) transitions.
Skipped dead transition search.
[2026-05-26 22:06:55] [INFO ] Invariant cache hit.
[2026-05-26 22:06:55] [INFO ] Implicit Places using invariants in 24 ms returned []
[2026-05-26 22:06:55] [INFO ] Invariant cache hit.
[2026-05-26 22:06:55] [INFO ] State equation strengthened by 5 read => feed constraints.
[2026-05-26 22:06:55] [INFO ] Implicit Places using invariants and state equation in 31 ms returned []
Implicit Place search using SMT with State Equation took 57 ms to find 0 implicit places.
Skipped dead transition search.
Finished structural reductions in LTL mode , in 1 iterations and 58 ms. Remains : 15/15 places, 15/15 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 46 ms. Reduced automaton from 6 states, 6 edges and 1 AP (stutter sensitive) to 6 states, 6 edges and 1 AP (stutter sensitive).
RANDOM walk for 1385 steps (0 resets) in 6 ms. (197 steps per ms) remains 0/1 properties
Knowledge based reduction with 1 factoid took 69 ms. Reduced automaton from 6 states, 6 edges and 1 AP (stutter sensitive) to 6 states, 6 edges and 1 AP (stutter sensitive).
Stuttering acceptance computed with spot in 248 ms :[(NOT p0), (NOT p0), (NOT p0), (NOT p0), (NOT p0), (NOT p0)]
Knowledge-based reduction took 368 ms.
Stuttering acceptance computed with spot in 247 ms :[(NOT p0), (NOT p0), (NOT p0), (NOT p0), (NOT p0), (NOT p0)]
Stuttering acceptance computed with spot in 233 ms :[(NOT p0), (NOT p0), (NOT p0), (NOT p0), (NOT p0), (NOT p0)]
Product exploration explored 100000 steps with 16666 reset in 103 ms.
Product exploration explored 100000 steps with 16666 reset in 106 ms.
Spot run failed in 73 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/ltsmin8736873061203967298
[2026-05-26 22:06:56] [INFO ] Built C files in 3ms conformant to PINS (ltsmin variant)in folder :/tmp/ltsmin8736873061203967298
Running compilation step : cd /tmp/ltsmin8736873061203967298;'/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 78 ms.
Running link step : cd /tmp/ltsmin8736873061203967298;'gcc' '-shared' '-o' 'gal.so' 'model.o'
Link finished in 35 ms.
Running LTSmin : cd /tmp/ltsmin8736873061203967298;'/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/stateBased17413859176921823415.hoa' '--buchi-type=spotba'
LTSmin run took 23 ms.
FORMULA PGCD-COL-D04N025-LTLFireability-10 TRUE TECHNIQUES EXPLICIT LTSMIN SAT_SMT
Treatment of property PGCD-COL-D04N025-LTLFireability-10 finished in 2621 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 15 out of 15 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 15/15 places, 15/15 transitions.
Applied a total of 0 rules in 3 ms. Remains 15 /15 variables (removed 0) and now considering 15/15 (removed 0) transitions.
Skipped dead transition search.
[2026-05-26 22:06:56] [INFO ] Invariant cache hit.
[2026-05-26 22:06:56] [INFO ] Implicit Places using invariants in 18 ms returned []
[2026-05-26 22:06:56] [INFO ] Invariant cache hit.
[2026-05-26 22:06:56] [INFO ] State equation strengthened by 5 read => feed constraints.
[2026-05-26 22:06:56] [INFO ] Implicit Places using invariants and state equation in 28 ms returned []
Implicit Place search using SMT with State Equation took 48 ms to find 0 implicit places.
[2026-05-26 22:06:56] [INFO ] Redundant transitions in 0 ms returned []
Skipped dead transition search.
Finished structural reductions in SI_LTL mode , in 1 iterations and 55 ms. Remains : 15/15 places, 15/15 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 100 ms :[(OR (NOT p0) (NOT p1)), (NOT p0), (NOT p1)]
Running random walk in product with property : PGCD-COL-D04N025-LTLFireability-11
Product exploration explored 100000 steps with 0 reset in 136 ms.
Stack based approach found an accepted trace after 16 steps with 0 reset with depth 17 and stack size 17 in 0 ms.
FORMULA PGCD-COL-D04N025-LTLFireability-11 FALSE TECHNIQUES STACK_TEST
Treatment of property PGCD-COL-D04N025-LTLFireability-11 finished in 319 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(X(G(!p0))))'
Support contains 15 out of 15 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 15/15 places, 15/15 transitions.
Applied a total of 0 rules in 0 ms. Remains 15 /15 variables (removed 0) and now considering 15/15 (removed 0) transitions.
Skipped dead transition search.
[2026-05-26 22:06:56] [INFO ] Invariant cache hit.
[2026-05-26 22:06:56] [INFO ] Implicit Places using invariants in 17 ms returned []
[2026-05-26 22:06:56] [INFO ] Invariant cache hit.
[2026-05-26 22:06:56] [INFO ] State equation strengthened by 5 read => feed constraints.
[2026-05-26 22:06:56] [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.
Skipped dead transition search.
Finished structural reductions in LTL mode , in 1 iterations and 44 ms. Remains : 15/15 places, 15/15 transitions.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(X(G(p0))))'
Stuttering acceptance computed with spot in 126 ms :[true, (NOT p0), (NOT p0), (NOT p0)]
Running random walk in product with property : PGCD-COL-D04N025-LTLFireability-12
Entered a terminal (fully accepting) state of product in 2 steps with 0 reset in 0 ms.
FORMULA PGCD-COL-D04N025-LTLFireability-12 FALSE TECHNIQUES STUTTER_TEST
Treatment of property PGCD-COL-D04N025-LTLFireability-12 finished in 199 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 15 out of 15 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 15/15 places, 15/15 transitions.
Applied a total of 0 rules in 2 ms. Remains 15 /15 variables (removed 0) and now considering 15/15 (removed 0) transitions.
Skipped dead transition search.
[2026-05-26 22:06:56] [INFO ] Invariant cache hit.
[2026-05-26 22:06:56] [INFO ] Implicit Places using invariants in 23 ms returned []
[2026-05-26 22:06:56] [INFO ] Invariant cache hit.
[2026-05-26 22:06:56] [INFO ] State equation strengthened by 5 read => feed constraints.
[2026-05-26 22:06:56] [INFO ] Implicit Places using invariants and state equation in 30 ms returned []
Implicit Place search using SMT with State Equation took 54 ms to find 0 implicit places.
[2026-05-26 22:06:56] [INFO ] Redundant transitions in 0 ms returned []
Skipped dead transition search.
Finished structural reductions in SI_LTL mode , in 1 iterations and 61 ms. Remains : 15/15 places, 15/15 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 79 ms :[(NOT p0), (NOT p0)]
Running random walk in product with property : PGCD-COL-D04N025-LTLFireability-13
Product exploration explored 100000 steps with 0 reset in 130 ms.
Product exploration explored 100000 steps with 0 reset in 138 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 63 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 1020 steps (0 resets) in 6 ms. (145 steps per ms) remains 0/1 properties
Knowledge based reduction with 3 factoid took 52 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 68 ms :[(NOT p0), (NOT p0)]
Knowledge-based reduction took 187 ms.
Stuttering acceptance computed with spot in 70 ms :[(NOT p0), (NOT p0)]
Support contains 15 out of 15 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 15/15 places, 15/15 transitions.
Applied a total of 0 rules in 3 ms. Remains 15 /15 variables (removed 0) and now considering 15/15 (removed 0) transitions.
Skipped dead transition search.
[2026-05-26 22:06:57] [INFO ] Invariant cache hit.
[2026-05-26 22:06:57] [INFO ] Implicit Places using invariants in 19 ms returned []
[2026-05-26 22:06:57] [INFO ] Invariant cache hit.
[2026-05-26 22:06:57] [INFO ] State equation strengthened by 5 read => feed constraints.
[2026-05-26 22:06:57] [INFO ] Implicit Places using invariants and state equation in 30 ms returned []
Implicit Place search using SMT with State Equation took 63 ms to find 0 implicit places.
[2026-05-26 22:06:57] [INFO ] Redundant transitions in 0 ms returned []
Skipped dead transition search.
Finished structural reductions in SI_LTL mode , in 1 iterations and 70 ms. Remains : 15/15 places, 15/15 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 49 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 997 steps (0 resets) in 4 ms. (199 steps per ms) remains 0/1 properties
Knowledge based reduction with 3 factoid took 66 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 86 ms :[(NOT p0), (NOT p0)]
Knowledge-based reduction took 204 ms.
Stuttering acceptance computed with spot in 95 ms :[(NOT p0), (NOT p0)]
Stuttering acceptance computed with spot in 84 ms :[(NOT p0), (NOT p0)]
Product exploration explored 100000 steps with 0 reset in 127 ms.
Product exploration explored 100000 steps with 0 reset in 187 ms.
Built C files in :
/tmp/ltsmin4450661468051332799
[2026-05-26 22:06:58] [INFO ] Computing symmetric may disable matrix : 15 transitions.
[2026-05-26 22:06:58] [INFO ] Computation of Complete disable matrix. took 1 ms. Total solver calls (SAT/UNSAT): 0(0/0)
[2026-05-26 22:06:58] [INFO ] Computing symmetric may enable matrix : 15 transitions.
[2026-05-26 22:06:58] [INFO ] Computation of Complete enable matrix. took 0 ms. Total solver calls (SAT/UNSAT): 0(0/0)
[2026-05-26 22:06:58] [INFO ] Computing Do-Not-Accords matrix : 15 transitions.
[2026-05-26 22:06:58] [INFO ] Computation of Completed DNA matrix. took 0 ms. Total solver calls (SAT/UNSAT): 0(0/0)
[2026-05-26 22:06:58] [INFO ] Built C files in 7ms conformant to PINS (ltsmin variant)in folder :/tmp/ltsmin4450661468051332799
Running compilation step : cd /tmp/ltsmin4450661468051332799;'/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 95 ms.
Running link step : cd /tmp/ltsmin4450661468051332799;'gcc' '-shared' '-o' 'gal.so' 'model.o'
Link finished in 38 ms.
Running LTSmin : cd /tmp/ltsmin4450661468051332799;'/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/stateBased1425165151820512823.hoa' '--buchi-type=spotba'
LTSmin run took 54 ms.
FORMULA PGCD-COL-D04N025-LTLFireability-13 FALSE TECHNIQUES PARTIAL_ORDER EXPLICIT LTSMIN SAT_SMT
Treatment of property PGCD-COL-D04N025-LTLFireability-13 finished in 1706 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(F(p0))'
Support contains 10 out of 15 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 15/15 places, 15/15 transitions.
Applied a total of 0 rules in 2 ms. Remains 15 /15 variables (removed 0) and now considering 15/15 (removed 0) transitions.
Skipped dead transition search.
[2026-05-26 22:06:58] [INFO ] Invariant cache hit.
[2026-05-26 22:06:58] [INFO ] Implicit Places using invariants in 24 ms returned []
[2026-05-26 22:06:58] [INFO ] Invariant cache hit.
[2026-05-26 22:06:58] [INFO ] State equation strengthened by 5 read => feed constraints.
[2026-05-26 22:06:58] [INFO ] Implicit Places using invariants and state equation in 55 ms returned []
Implicit Place search using SMT with State Equation took 81 ms to find 0 implicit places.
[2026-05-26 22:06:58] [INFO ] Redundant transitions in 0 ms returned []
Skipped dead transition search.
Finished structural reductions in SI_LTL mode , in 1 iterations and 94 ms. Remains : 15/15 places, 15/15 transitions.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(F(p0))'
Stuttering acceptance computed with spot in 35 ms :[(NOT p0)]
Running random walk in product with property : PGCD-COL-D04N025-LTLFireability-14
Product exploration explored 100000 steps with 20458 reset in 111 ms.
Stack based approach found an accepted trace after 3186 steps with 639 reset with depth 9 and stack size 9 in 5 ms.
FORMULA PGCD-COL-D04N025-LTLFireability-14 FALSE TECHNIQUES STACK_TEST
Treatment of property PGCD-COL-D04N025-LTLFireability-14 finished in 274 ms.
All properties solved by simple procedures.
Total runtime 12413 ms.

BK_STOP 1779833218946

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

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

Sequence of Actions to be Executed by the VM

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

set -x
# this is for BenchKit: configuration of major elements for the test
export BK_INPUT="PGCD-COL-D04N025"
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-D04N025, 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-177969914300780"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/PGCD-COL-D04N025.tgz
mv PGCD-COL-D04N025 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 ;