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-177969914300748.qcow2', fmt=qcow2 size=4294967296 backing_file=/data/fkordon/mcc2026-input.qcow2 backing_fmt=qcow2 cluster_size=65536 lazy_refcounts=off refcount_bits=16
Waiting for the VM to be ready (probing ssh)
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=====================================================================
Generated by BenchKit 2-5973
Executing tool itstools
Input is PGCD-COL-D02N005, examination is LTLFireability
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r194-tall-177969914300748
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 496K
-rw-r--r-- 1 mcc users 6.6K Mar 8 14:30 CTLCardinality.txt
-rw-r--r-- 1 mcc users 73K Mar 8 14:30 CTLCardinality.xml
-rw-r--r-- 1 mcc users 6.7K Mar 8 14:29 CTLFireability.txt
-rw-r--r-- 1 mcc users 71K Mar 8 14:29 CTLFireability.xml
-rw-r--r-- 1 mcc users 3.5K Mar 17 09:05 LTLCardinality.txt
-rw-r--r-- 1 mcc users 26K Mar 17 09:05 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.1K Mar 17 09:05 LTLFireability.txt
-rw-r--r-- 1 mcc users 19K Mar 17 09:05 LTLFireability.xml
-rw-r--r-- 1 mcc users 13K Mar 8 14:31 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 147K Mar 8 14:31 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 7.7K Mar 8 14:31 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 71K Mar 8 14:31 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.6K Mar 17 09:05 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.6K Mar 17 09:05 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-D02N005-LTLFireability-00
FORMULA_NAME PGCD-COL-D02N005-LTLFireability-01
FORMULA_NAME PGCD-COL-D02N005-LTLFireability-02
FORMULA_NAME PGCD-COL-D02N005-LTLFireability-03
FORMULA_NAME PGCD-COL-D02N005-LTLFireability-04
FORMULA_NAME PGCD-COL-D02N005-LTLFireability-05
FORMULA_NAME PGCD-COL-D02N005-LTLFireability-06
FORMULA_NAME PGCD-COL-D02N005-LTLFireability-07
FORMULA_NAME PGCD-COL-D02N005-LTLFireability-08
FORMULA_NAME PGCD-COL-D02N005-LTLFireability-09
FORMULA_NAME PGCD-COL-D02N005-LTLFireability-10
FORMULA_NAME PGCD-COL-D02N005-LTLFireability-11
FORMULA_NAME PGCD-COL-D02N005-LTLFireability-12
FORMULA_NAME PGCD-COL-D02N005-LTLFireability-13
FORMULA_NAME PGCD-COL-D02N005-LTLFireability-14
FORMULA_NAME PGCD-COL-D02N005-LTLFireability-15

=== Now, execution of the tool begins

BK_START 1779829482471

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-D02N005
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is COL
LTLFireability COL
Running Version 202604301425
[2026-05-26 21:04:43] [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 21:04:43] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-05-26 21:04:43] [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 21:04:44] [WARNING] Using fallBack plugin, rng conformance not checked
[2026-05-26 21:04:44] [INFO ] Load time of PNML (colored model parsed with PNMLFW) : 513 ms
[2026-05-26 21:04:44] [INFO ] Imported 3 HL places and 3 HL transitions for a total of 9 PT places and 9.0 transition bindings in 15 ms.
Parsed 16 properties from file /home/mcc/execution/LTLFireability.xml in 11 ms.
Working with output stream class java.io.PrintStream
[2026-05-26 21:04:44] [INFO ] Built PT skeleton of HLPN with 3 places and 3 transitions 14 arcs in 4 ms.
[2026-05-26 21:04:44] [INFO ] Skeletonized 16 HLPN properties in 2 ms.
Computed a total of 0 stabilizing places and 0 stable transitions
Remains 1 properties that can be checked using skeleton over-approximation.
FORMULA PGCD-COL-D02N005-LTLFireability-02 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Computed a total of 0 stabilizing places and 0 stable transitions
RANDOM walk for 0 steps (0 resets) in 4 ms. (0 steps per ms) remains 0/0 properties
[2026-05-26 21:04:44] [INFO ] Flatten gal took : 19 ms
[2026-05-26 21:04:44] [INFO ] Flatten gal took : 0 ms
Arc [1:1*[(MOD (ADD $x 1) 3)]] contains successor/predecessor on variables of sort CD
[2026-05-26 21:04:44] [INFO ] Unfolded HLPN to a Petri net with 9 places and 9 transitions 42 arcs in 11 ms.
[2026-05-26 21:04:44] [INFO ] Unfolded 15 HLPN properties in 0 ms.
Initial state reduction rules removed 3 formulas.
FORMULA PGCD-COL-D02N005-LTLFireability-00 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA PGCD-COL-D02N005-LTLFireability-04 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA PGCD-COL-D02N005-LTLFireability-06 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Support contains 9 out of 9 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 9/9 places, 9/9 transitions.
Applied a total of 0 rules in 4 ms. Remains 9 /9 variables (removed 0) and now considering 9/9 (removed 0) transitions.
Running 3 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-13528679914389530456.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-4579118200803058138.kers'
[2026-05-26 21:04:44] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-13528679914389530456.kers, --Pflows, --basisKERS=/tmp/petrispot-output-4579118200803058138.kers]
Culling duplicate invariants (modulo rational): removing 3 columns.
Culled 3 columns in 0 ms.
// Phase 1: matrix 9 rows 6 cols 24 entries
Finished phase 1 with 5 SingleSign rule and 0 generalized
[2026-05-26 21:04:44] [INFO ] Computed 4 invariants in 0 ms
Computed 4 P flows in 2 ms.
Exported basis to /tmp/petrispot-output-4579118200803058138.kers
Total runtime 2 ms.
[2026-05-26 21:04:44] [INFO ] State equation strengthened by 3 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/6 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/6 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 2 (OVERLAPS) 3/9 variables, 1/4 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/9 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 4 (OVERLAPS) 9/18 variables, 9/13 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/18 variables, 3/16 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/18 variables, 0/16 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 7 (OVERLAPS) 0/18 variables, 0/16 constraints. Problems are: Problem set: 0 solved, 3 unsolved
No progress, stopping.
After SMT solving in domain Real declared 18/18 variables, and 16 constraints, problems are : Problem set: 0 solved, 3 unsolved in 499 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, Generalized P Invariants (flows): 3/3 constraints, State Equation: 9/9 constraints, ReadFeed: 3/3 constraints, PredecessorRefiner: 3/3 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 3 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/6 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/6 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 2 (OVERLAPS) 3/9 variables, 1/4 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/9 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 4 (OVERLAPS) 9/18 variables, 9/13 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/18 variables, 3/16 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/18 variables, 3/19 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/18 variables, 0/19 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 8 (OVERLAPS) 0/18 variables, 0/19 constraints. Problems are: Problem set: 0 solved, 3 unsolved
No progress, stopping.
After SMT solving in domain Int declared 18/18 variables, and 19 constraints, problems are : Problem set: 0 solved, 3 unsolved in 77 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, Generalized P Invariants (flows): 3/3 constraints, State Equation: 9/9 constraints, ReadFeed: 3/3 constraints, PredecessorRefiner: 3/3 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 629ms problems are : Problem set: 0 solved, 3 unsolved
Search for dead transitions found 0 dead transitions in 639ms
[2026-05-26 21:04:45] [INFO ] Invariant cache hit.
[2026-05-26 21:04:45] [INFO ] Implicit Places using invariants in 24 ms returned []
[2026-05-26 21:04:45] [INFO ] Invariant cache hit.
[2026-05-26 21:04:45] [INFO ] State equation strengthened by 3 read => feed constraints.
[2026-05-26 21:04:45] [INFO ] Implicit Places using invariants and state equation in 30 ms returned []
Implicit Place search using SMT with State Equation took 60 ms to find 0 implicit places.
Skipped dead transition search.
Finished structural reductions in LTL mode , in 1 iterations and 752 ms. Remains : 9/9 places, 9/9 transitions.
Starting structural reductions in LTL mode, iteration 0 : 9/9 places, 9/9 transitions.
Applied a total of 0 rules in 1 ms. Remains 9 /9 variables (removed 0) and now considering 9/9 (removed 0) transitions.
Skipped dead transition search.
[2026-05-26 21:04:45] [INFO ] Invariant cache hit.
[2026-05-26 21:04:45] [INFO ] Implicit Places using invariants in 19 ms returned []
[2026-05-26 21:04:45] [INFO ] Invariant cache hit.
[2026-05-26 21:04:45] [INFO ] State equation strengthened by 3 read => feed constraints.
[2026-05-26 21:04:45] [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.
Skipped dead transition search.
Finished structural reductions in LTL mode , in 1 iterations and 49 ms. Remains : 9/9 places, 9/9 transitions.
Support contains 9 out of 9 places after structural reductions.
[2026-05-26 21:04:45] [INFO ] Flatten gal took : 5 ms
[2026-05-26 21:04:45] [INFO ] Flatten gal took : 4 ms
[2026-05-26 21:04:45] [INFO ] Input system was already deterministic with 9 transitions.
Reduction of identical properties reduced properties to check from 6 to 5
RANDOM walk for 40013 steps (8 resets) in 364 ms. (109 steps per ms) remains 1/5 properties
BEST_FIRST walk for 40000 steps (8 resets) in 756 ms. (52 steps per ms) remains 1/1 properties
[2026-05-26 21:04:45] [INFO ] Invariant cache hit.
[2026-05-26 21:04:45] [INFO ] State equation strengthened by 3 read => feed constraints.
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/9 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/9 variables, 3/4 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/9 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 9/18 variables, 9/13 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/18 variables, 3/16 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/18 variables, 0/16 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 0/18 variables, 0/16 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 18/18 variables, and 16 constraints, problems are : Problem set: 0 solved, 1 unsolved in 69 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, Generalized P Invariants (flows): 3/3 constraints, State Equation: 9/9 constraints, ReadFeed: 3/3 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/9 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/9 variables, 3/4 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/9 variables, 1/5 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/9 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (OVERLAPS) 9/18 variables, 9/14 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/18 variables, 3/17 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/18 variables, 1/18 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/18 variables, 0/18 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 0/18 variables, 0/18 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 18/18 variables, and 18 constraints, problems are : Problem set: 0 solved, 1 unsolved in 102 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, Generalized P Invariants (flows): 3/3 constraints, State Equation: 9/9 constraints, ReadFeed: 3/3 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 176ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 6 ms.
Support contains 9 out of 9 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 9/9 places, 9/9 transitions.
Applied a total of 0 rules in 17 ms. Remains 9 /9 variables (removed 0) and now considering 9/9 (removed 0) transitions.
Skipped dead transition search.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 18 ms. Remains : 9/9 places, 9/9 transitions.
RANDOM walk for 40012 steps (8 resets) in 98 ms. (404 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40000 steps (8 resets) in 202 ms. (197 steps per ms) remains 1/1 properties
Finished probabilistic random walk after 35319 steps, run visited all 1 properties in 86 ms. (steps per millisecond=410 )
Probabilistic random walk after 35319 steps, saw 8228 distinct states, run finished after 90 ms. (steps per millisecond=392 ) properties seen :1
Computed a total of 0 stabilizing places and 0 stable transitions
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(X(F(p0))))'
Support contains 9 out of 9 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 9/9 places, 9/9 transitions.
Applied a total of 0 rules in 1 ms. Remains 9 /9 variables (removed 0) and now considering 9/9 (removed 0) transitions.
Skipped dead transition search.
[2026-05-26 21:04:47] [INFO ] Invariant cache hit.
[2026-05-26 21:04:47] [INFO ] Implicit Places using invariants in 25 ms returned []
[2026-05-26 21:04:47] [INFO ] Invariant cache hit.
[2026-05-26 21:04:47] [INFO ] State equation strengthened by 3 read => feed constraints.
[2026-05-26 21:04:47] [INFO ] Implicit Places using invariants and state equation in 28 ms returned []
Implicit Place search using SMT with State Equation took 54 ms to find 0 implicit places.
Skipped dead transition search.
Finished structural reductions in LTL mode , in 1 iterations and 56 ms. Remains : 9/9 places, 9/9 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 244 ms :[(NOT p0), (NOT p0), (NOT p0)]
Running random walk in product with property : PGCD-COL-D02N005-LTLFireability-01
Product exploration explored 100000 steps with 33333 reset in 204 ms.
Product exploration explored 100000 steps with 33333 reset in 109 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 17 ms. Proved property starting from automaton with 3 states, 3 edges and 1 AP (stutter sensitive
Knowledge-based reduction took 24 ms.
FORMULA PGCD-COL-D02N005-LTLFireability-01 TRUE TECHNIQUES KNOWLEDGE
Treatment of property PGCD-COL-D02N005-LTLFireability-01 finished in 1364 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((p0&&(X(!p1) U (X(G(!p1))||(!p0&&X(!p1)))))))))))'
Support contains 9 out of 9 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 9/9 places, 9/9 transitions.
Applied a total of 0 rules in 0 ms. Remains 9 /9 variables (removed 0) and now considering 9/9 (removed 0) transitions.
Skipped dead transition search.
[2026-05-26 21:04:47] [INFO ] Invariant cache hit.
[2026-05-26 21:04:47] [INFO ] Implicit Places using invariants in 17 ms returned []
[2026-05-26 21:04:47] [INFO ] Invariant cache hit.
[2026-05-26 21:04:47] [INFO ] State equation strengthened by 3 read => feed constraints.
[2026-05-26 21:04:47] [INFO ] Implicit Places using invariants and state equation in 22 ms returned []
Implicit Place search using SMT with State Equation took 41 ms to find 0 implicit places.
Skipped dead transition search.
Finished structural reductions in LTL mode , in 1 iterations and 41 ms. Remains : 9/9 places, 9/9 transitions.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(X(X(X(X(((X(!p0) U (X(G(!p0))||(!p1&&X(!p0))))&&p1)))))))'
Stuttering acceptance computed with spot in 842 ms :[true, p0, (OR (NOT p1) p0), p0, (OR (NOT p1) p0), (OR (NOT p1) p0), (OR (NOT p1) p0), (OR (NOT p1) p0), (OR (NOT p1) p0)]
Running random walk in product with property : PGCD-COL-D02N005-LTLFireability-03
Entered a terminal (fully accepting) state of product in 6 steps with 0 reset in 0 ms.
FORMULA PGCD-COL-D02N005-LTLFireability-03 FALSE TECHNIQUES STUTTER_TEST
Treatment of property PGCD-COL-D02N005-LTLFireability-03 finished in 927 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 6 out of 9 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 9/9 places, 9/9 transitions.
Applied a total of 0 rules in 2 ms. Remains 9 /9 variables (removed 0) and now considering 9/9 (removed 0) transitions.
Skipped dead transition search.
[2026-05-26 21:04:48] [INFO ] Invariant cache hit.
[2026-05-26 21:04:48] [INFO ] Implicit Places using invariants in 32 ms returned []
[2026-05-26 21:04:48] [INFO ] Invariant cache hit.
[2026-05-26 21:04:48] [INFO ] State equation strengthened by 3 read => feed constraints.
[2026-05-26 21:04:48] [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 21:04:48] [INFO ] Redundant transitions in 0 ms returned []
Skipped dead transition search.
Finished structural reductions in SI_LTL mode , in 1 iterations and 73 ms. Remains : 9/9 places, 9/9 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 36 ms :[(NOT p0)]
Running random walk in product with property : PGCD-COL-D02N005-LTLFireability-05
Product exploration explored 100000 steps with 23454 reset in 92 ms.
Stack based approach found an accepted trace after 42 steps with 9 reset with depth 3 and stack size 3 in 0 ms.
FORMULA PGCD-COL-D02N005-LTLFireability-05 FALSE TECHNIQUES STACK_TEST
Treatment of property PGCD-COL-D02N005-LTLFireability-05 finished in 226 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(p0))))'
Support contains 9 out of 9 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 9/9 places, 9/9 transitions.
Applied a total of 0 rules in 0 ms. Remains 9 /9 variables (removed 0) and now considering 9/9 (removed 0) transitions.
Skipped dead transition search.
[2026-05-26 21:04:49] [INFO ] Invariant cache hit.
[2026-05-26 21:04:49] [INFO ] Implicit Places using invariants in 18 ms returned []
[2026-05-26 21:04:49] [INFO ] Invariant cache hit.
[2026-05-26 21:04:49] [INFO ] State equation strengthened by 3 read => feed constraints.
[2026-05-26 21:04:49] [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.
Skipped dead transition search.
Finished structural reductions in LTL mode , in 1 iterations and 43 ms. Remains : 9/9 places, 9/9 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(!p0))))'
Stuttering acceptance computed with spot in 147 ms :[true, (NOT p0), p0, p0, true]
Running random walk in product with property : PGCD-COL-D02N005-LTLFireability-07
Product exploration explored 100000 steps with 756 reset in 117 ms.
Stack based approach found an accepted trace after 22 steps with 2 reset with depth 17 and stack size 17 in 1 ms.
FORMULA PGCD-COL-D02N005-LTLFireability-07 FALSE TECHNIQUES STACK_TEST
Treatment of property PGCD-COL-D02N005-LTLFireability-07 finished in 334 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(G(p0))&&F(p1))))'
Support contains 9 out of 9 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 9/9 places, 9/9 transitions.
Applied a total of 0 rules in 1 ms. Remains 9 /9 variables (removed 0) and now considering 9/9 (removed 0) transitions.
Skipped dead transition search.
[2026-05-26 21:04:49] [INFO ] Invariant cache hit.
[2026-05-26 21:04:49] [INFO ] Implicit Places using invariants in 18 ms returned []
[2026-05-26 21:04:49] [INFO ] Invariant cache hit.
[2026-05-26 21:04:49] [INFO ] State equation strengthened by 3 read => feed constraints.
[2026-05-26 21:04:49] [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 21:04:49] [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 : 9/9 places, 9/9 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(G(p0))&&F(p1))))'
Stuttering acceptance computed with spot in 101 ms :[(OR (NOT p0) (NOT p1)), (NOT p0), (NOT p1)]
Running random walk in product with property : PGCD-COL-D02N005-LTLFireability-08
Product exploration explored 100000 steps with 0 reset in 263 ms.
Stack based approach found an accepted trace after 691 steps with 0 reset with depth 692 and stack size 555 in 2 ms.
FORMULA PGCD-COL-D02N005-LTLFireability-08 FALSE TECHNIQUES STACK_TEST
Treatment of property PGCD-COL-D02N005-LTLFireability-08 finished in 450 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)&&(!p0 U (!p1||G(!p0))))))'
Support contains 9 out of 9 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 9/9 places, 9/9 transitions.
Applied a total of 0 rules in 1 ms. Remains 9 /9 variables (removed 0) and now considering 9/9 (removed 0) transitions.
Skipped dead transition search.
[2026-05-26 21:04:49] [INFO ] Invariant cache hit.
[2026-05-26 21:04:49] [INFO ] Implicit Places using invariants in 17 ms returned []
[2026-05-26 21:04:49] [INFO ] Invariant cache hit.
[2026-05-26 21:04:49] [INFO ] State equation strengthened by 3 read => feed constraints.
[2026-05-26 21:04:49] [INFO ] Implicit Places using invariants and state equation in 20 ms returned []
Implicit Place search using SMT with State Equation took 39 ms to find 0 implicit places.
[2026-05-26 21:04:49] [INFO ] Redundant transitions in 0 ms returned []
Skipped dead transition search.
Finished structural reductions in SI_LTL mode , in 1 iterations and 44 ms. Remains : 9/9 places, 9/9 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)&&(!p0 U (!p1||G(!p0))))))'
Stuttering acceptance computed with spot in 90 ms :[(OR (NOT p0) p1), true, (NOT p0)]
Running random walk in product with property : PGCD-COL-D02N005-LTLFireability-09
Entered a terminal (fully accepting) state of product in 27 steps with 6 reset in 1 ms.
FORMULA PGCD-COL-D02N005-LTLFireability-09 FALSE TECHNIQUES STUTTER_TEST
Treatment of property PGCD-COL-D02N005-LTLFireability-09 finished in 161 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(p1))||p0)))'
Support contains 9 out of 9 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 9/9 places, 9/9 transitions.
Applied a total of 0 rules in 0 ms. Remains 9 /9 variables (removed 0) and now considering 9/9 (removed 0) transitions.
Skipped dead transition search.
[2026-05-26 21:04:50] [INFO ] Invariant cache hit.
[2026-05-26 21:04:50] [INFO ] Implicit Places using invariants in 21 ms returned []
[2026-05-26 21:04:50] [INFO ] Invariant cache hit.
[2026-05-26 21:04:50] [INFO ] State equation strengthened by 3 read => feed constraints.
[2026-05-26 21:04:50] [INFO ] Implicit Places using invariants and state equation in 21 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 : 9/9 places, 9/9 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(p1))||p0)))'
Stuttering acceptance computed with spot in 111 ms :[true, (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1)), (NOT p1)]
Running random walk in product with property : PGCD-COL-D02N005-LTLFireability-10
Product exploration explored 100000 steps with 50000 reset in 129 ms.
Product exploration explored 100000 steps with 50000 reset in 72 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 59 ms. Proved property starting from automaton with 4 states, 5 edges and 2 AP (stutter sensitive
Knowledge-based reduction took 60 ms.
FORMULA PGCD-COL-D02N005-LTLFireability-10 TRUE TECHNIQUES KNOWLEDGE
Treatment of property PGCD-COL-D02N005-LTLFireability-10 finished in 441 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(G(p1)))))'
Support contains 9 out of 9 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 9/9 places, 9/9 transitions.
Applied a total of 0 rules in 2 ms. Remains 9 /9 variables (removed 0) and now considering 9/9 (removed 0) transitions.
Skipped dead transition search.
[2026-05-26 21:04:50] [INFO ] Invariant cache hit.
[2026-05-26 21:04:50] [INFO ] Implicit Places using invariants in 24 ms returned []
[2026-05-26 21:04:50] [INFO ] Invariant cache hit.
[2026-05-26 21:04:50] [INFO ] State equation strengthened by 3 read => feed constraints.
[2026-05-26 21:04:50] [INFO ] Implicit Places using invariants and state equation in 25 ms returned []
Implicit Place search using SMT with State Equation took 50 ms to find 0 implicit places.
[2026-05-26 21:04:50] [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 : 9/9 places, 9/9 transitions.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(F((X(G(p0))&&p1)))'
Stuttering acceptance computed with spot in 81 ms :[(OR (NOT p1) (NOT p0)), (NOT p0)]
Running random walk in product with property : PGCD-COL-D02N005-LTLFireability-11
Product exploration explored 100000 steps with 0 reset in 145 ms.
Stack based approach found an accepted trace after 555 steps with 0 reset with depth 556 and stack size 416 in 2 ms.
FORMULA PGCD-COL-D02N005-LTLFireability-11 FALSE TECHNIQUES STACK_TEST
Treatment of property PGCD-COL-D02N005-LTLFireability-11 finished in 306 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(p1))&&X(X(X(X(p1)))))))'
Support contains 9 out of 9 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 9/9 places, 9/9 transitions.
Applied a total of 0 rules in 1 ms. Remains 9 /9 variables (removed 0) and now considering 9/9 (removed 0) transitions.
Skipped dead transition search.
[2026-05-26 21:04:50] [INFO ] Invariant cache hit.
[2026-05-26 21:04:50] [INFO ] Implicit Places using invariants in 17 ms returned []
[2026-05-26 21:04:50] [INFO ] Invariant cache hit.
[2026-05-26 21:04:50] [INFO ] State equation strengthened by 3 read => feed constraints.
[2026-05-26 21:04:50] [INFO ] Implicit Places using invariants and state equation in 23 ms returned []
Implicit Place search using SMT with State Equation took 41 ms to find 0 implicit places.
Skipped dead transition search.
Finished structural reductions in LTL mode , in 1 iterations and 43 ms. Remains : 9/9 places, 9/9 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(p1))&&X(X(X(X(p1)))))))'
Stuttering acceptance computed with spot in 686 ms :[(NOT p1), (NOT p1), (NOT p1), (NOT p1), (NOT p1), (NOT p1), (NOT p1), (NOT p1), (NOT p1), (NOT p1), (NOT p1), (NOT p1), (NOT p1), (NOT p1)]
Running random walk in product with property : PGCD-COL-D02N005-LTLFireability-12
Product exploration explored 100000 steps with 34817 reset in 116 ms.
Product exploration explored 100000 steps with 34730 reset in 132 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 9 factoid took 114 ms. Reduced automaton from 14 states, 39 edges and 2 AP (stutter sensitive) to 14 states, 37 edges and 2 AP (stutter sensitive).
RANDOM walk for 40007 steps (9 resets) in 103 ms. (384 steps per ms) remains 1/4 properties
BEST_FIRST walk for 40003 steps (8 resets) in 399 ms. (100 steps per ms) remains 1/1 properties
[2026-05-26 21:04:52] [INFO ] Invariant cache hit.
[2026-05-26 21:04:52] [INFO ] State equation strengthened by 3 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/9 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Problem apf0 is UNSAT
After SMT solving in domain Real declared 9/18 variables, and 4 constraints, problems are : Problem set: 1 solved, 0 unsolved in 25 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, Generalized P Invariants (flows): 3/3 constraints, State Equation: 0/9 constraints, ReadFeed: 0/3 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 29ms problems are : Problem set: 1 solved, 0 unsolved
Skipping Parikh replay, no witness traces provided.
Found 1 invariant AP formulas.
Knowledge based reduction with 10 factoid took 117 ms. Reduced automaton from 14 states, 37 edges and 2 AP (stutter sensitive) to 10 states, 18 edges and 2 AP (stutter sensitive).
Stuttering acceptance computed with spot in 424 ms :[(NOT p1), (NOT p1), (NOT p1), (NOT p1), (NOT p1), (NOT p1), (NOT p1), (NOT p1), (NOT p1), (NOT p1)]
Knowledge-based reduction took 836 ms.
Stuttering acceptance computed with spot in 481 ms :[(NOT p1), (NOT p1), (NOT p1), (NOT p1), (NOT p1), (NOT p1), (NOT p1), (NOT p1), (NOT p1), (NOT p1)]
Support contains 9 out of 9 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 9/9 places, 9/9 transitions.
Applied a total of 0 rules in 1 ms. Remains 9 /9 variables (removed 0) and now considering 9/9 (removed 0) transitions.
Skipped dead transition search.
[2026-05-26 21:04:53] [INFO ] Invariant cache hit.
[2026-05-26 21:04:53] [INFO ] Implicit Places using invariants in 17 ms returned []
[2026-05-26 21:04:53] [INFO ] Invariant cache hit.
[2026-05-26 21:04:53] [INFO ] State equation strengthened by 3 read => feed constraints.
[2026-05-26 21:04:53] [INFO ] Implicit Places using invariants and state equation in 25 ms returned []
Implicit Place search using SMT with State Equation took 43 ms to find 0 implicit places.
Skipped dead transition search.
Finished structural reductions in LTL mode , in 1 iterations and 44 ms. Remains : 9/9 places, 9/9 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 60 ms. Reduced automaton from 10 states, 18 edges and 2 AP (stutter sensitive) to 10 states, 18 edges and 2 AP (stutter sensitive).
RANDOM walk for 120 steps (0 resets) in 5 ms. (20 steps per ms) remains 0/2 properties
Knowledge based reduction with 3 factoid took 82 ms. Reduced automaton from 10 states, 18 edges and 2 AP (stutter sensitive) to 10 states, 18 edges and 2 AP (stutter sensitive).
Stuttering acceptance computed with spot in 447 ms :[(NOT p1), (NOT p1), (NOT p1), (NOT p1), (NOT p1), (NOT p1), (NOT p1), (NOT p1), (NOT p1), (NOT p1)]
Knowledge-based reduction took 593 ms.
Stuttering acceptance computed with spot in 441 ms :[(NOT p1), (NOT p1), (NOT p1), (NOT p1), (NOT p1), (NOT p1), (NOT p1), (NOT p1), (NOT p1), (NOT p1)]
Stuttering acceptance computed with spot in 450 ms :[(NOT p1), (NOT p1), (NOT p1), (NOT p1), (NOT p1), (NOT p1), (NOT p1), (NOT p1), (NOT p1), (NOT p1)]
Product exploration explored 100000 steps with 26663 reset in 83 ms.
Product exploration explored 100000 steps with 26697 reset in 83 ms.
Spot run failed in 71 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/ltsmin12426992515169833814
[2026-05-26 21:04:54] [INFO ] Built C files in 6ms conformant to PINS (ltsmin variant)in folder :/tmp/ltsmin12426992515169833814
Running compilation step : cd /tmp/ltsmin12426992515169833814;'/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 178 ms.
Running link step : cd /tmp/ltsmin12426992515169833814;'gcc' '-shared' '-o' 'gal.so' 'model.o'
Link finished in 44 ms.
Running LTSmin : cd /tmp/ltsmin12426992515169833814;'/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/stateBased14118447971080396238.hoa' '--buchi-type=spotba'
LTSmin run took 40 ms.
FORMULA PGCD-COL-D02N005-LTLFireability-12 TRUE TECHNIQUES EXPLICIT LTSMIN SAT_SMT
Treatment of property PGCD-COL-D02N005-LTLFireability-12 finished in 4434 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(((G(p0) U X(X(!p1)))||F(G(!p2))))'
Support contains 9 out of 9 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 9/9 places, 9/9 transitions.
Applied a total of 0 rules in 1 ms. Remains 9 /9 variables (removed 0) and now considering 9/9 (removed 0) transitions.
Skipped dead transition search.
[2026-05-26 21:04:55] [INFO ] Invariant cache hit.
[2026-05-26 21:04:55] [INFO ] Implicit Places using invariants in 39 ms returned []
[2026-05-26 21:04:55] [INFO ] Invariant cache hit.
[2026-05-26 21:04:55] [INFO ] State equation strengthened by 3 read => feed constraints.
[2026-05-26 21:04:55] [INFO ] Implicit Places using invariants and state equation in 28 ms returned []
Implicit Place search using SMT with State Equation took 68 ms to find 0 implicit places.
Skipped dead transition search.
Finished structural reductions in LTL mode , in 1 iterations and 69 ms. Remains : 9/9 places, 9/9 transitions.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(((G(p0) U X(X(!p1)))||F(G(p2))))'
Stuttering acceptance computed with spot in 309 ms :[(AND p1 (NOT p2)), (AND p1 (NOT p2)), (AND p1 (NOT p2)), (AND p1 (NOT p2)), (AND p1 (NOT p2)), (NOT p2), (AND (NOT p2) (NOT p0))]
Running random walk in product with property : PGCD-COL-D02N005-LTLFireability-13
Product exploration explored 100000 steps with 33333 reset in 108 ms.
Product exploration explored 100000 steps with 33333 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
Property proved to be true by K+ with min(!phi)
Knowledge based reduction with 9 factoid took 17 ms. Proved property starting from automaton with 7 states, 14 edges and 3 AP (stutter sensitive
Knowledge-based reduction took 18 ms.
FORMULA PGCD-COL-D02N005-LTLFireability-13 TRUE TECHNIQUES KNOWLEDGE
Treatment of property PGCD-COL-D02N005-LTLFireability-13 finished in 649 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!((G((p0&&F(p1))) U X((G(p1)||(F(p0) U X(p2))))))'
Support contains 9 out of 9 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 9/9 places, 9/9 transitions.
Applied a total of 0 rules in 1 ms. Remains 9 /9 variables (removed 0) and now considering 9/9 (removed 0) transitions.
Skipped dead transition search.
[2026-05-26 21:04:55] [INFO ] Invariant cache hit.
[2026-05-26 21:04:55] [INFO ] Implicit Places using invariants in 21 ms returned []
[2026-05-26 21:04:55] [INFO ] Invariant cache hit.
[2026-05-26 21:04:55] [INFO ] State equation strengthened by 3 read => feed constraints.
[2026-05-26 21:04:55] [INFO ] Implicit Places using invariants and state equation in 24 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 48 ms. Remains : 9/9 places, 9/9 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)&&p1)) U X((G(p0)||(F(p1) U X(p2))))))'
Stuttering acceptance computed with spot in 475 ms :[(AND (NOT p0) (NOT p2)), (AND (NOT p0) (NOT p2)), (AND (NOT p0) (NOT p2)), (NOT p2), (AND (NOT p1) (NOT p2)), (AND (NOT p0) (NOT p2)), (AND (NOT p1) (NOT p0) (NOT p2)), (AND (NOT p2) (NOT p1) p0), (AND (NOT p0) (NOT p2)), (NOT p1), (AND (NOT p1) (NOT p0))]
Running random walk in product with property : PGCD-COL-D02N005-LTLFireability-14
Product exploration explored 100000 steps with 33333 reset in 117 ms.
Product exploration explored 100000 steps with 33333 reset in 125 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 15 factoid took 18 ms. Proved property starting from automaton with 11 states, 34 edges and 3 AP (stutter sensitive
Knowledge-based reduction took 19 ms.
FORMULA PGCD-COL-D02N005-LTLFireability-14 TRUE TECHNIQUES KNOWLEDGE
Treatment of property PGCD-COL-D02N005-LTLFireability-14 finished in 839 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(((F(p0)&&(p1 U p2)) U p0))'
Support contains 9 out of 9 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 9/9 places, 9/9 transitions.
Applied a total of 0 rules in 1 ms. Remains 9 /9 variables (removed 0) and now considering 9/9 (removed 0) transitions.
Skipped dead transition search.
[2026-05-26 21:04:56] [INFO ] Invariant cache hit.
[2026-05-26 21:04:56] [INFO ] Implicit Places using invariants in 22 ms returned []
[2026-05-26 21:04:56] [INFO ] Invariant cache hit.
[2026-05-26 21:04:56] [INFO ] State equation strengthened by 3 read => feed constraints.
[2026-05-26 21:04:56] [INFO ] Implicit Places using invariants and state equation in 23 ms returned []
Implicit Place search using SMT with State Equation took 46 ms to find 0 implicit places.
[2026-05-26 21:04:56] [INFO ] Redundant transitions in 0 ms returned []
Skipped dead transition search.
Finished structural reductions in SI_LTL mode , in 1 iterations and 51 ms. Remains : 9/9 places, 9/9 transitions.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(((F(p0)&&(p1 U p2)) U p0))'
Stuttering acceptance computed with spot in 103 ms :[(NOT p0), true, (NOT p2)]
Running random walk in product with property : PGCD-COL-D02N005-LTLFireability-15
Product exploration explored 100000 steps with 23455 reset in 135 ms.
Stack based approach found an accepted trace after 41 steps with 10 reset with depth 3 and stack size 3 in 1 ms.
FORMULA PGCD-COL-D02N005-LTLFireability-15 FALSE TECHNIQUES STACK_TEST
Treatment of property PGCD-COL-D02N005-LTLFireability-15 finished in 312 ms.
All properties solved by simple procedures.
Total runtime 13383 ms.

BK_STOP 1779829498535

--------------------
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-D02N005"
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-D02N005, 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-177969914300748"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/PGCD-COL-D02N005.tgz
mv PGCD-COL-D02N005 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 ;