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* spot/bin/: Move... * bin/: ... here. * spot/tests/: Move... * tests/: ... here. * Makefile.am, README, bench/stutter/Makefile.am, bench/stutter/stutter_invariance_formulas.cc, doc/Makefile.am, configure.ac, debian/rules, spot/Makefile.am, spot/ltsmin/Makefile.am, spot/ltsmin/kripke.test, spot/sanity/style.test, python/tests/run.in: Adjust.
107 lines
2.6 KiB
Text
107 lines
2.6 KiB
Text
[NAME]
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dstar2tgba \- convert automata into Büchi automata
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[HISTORY]
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.B dstar2tgba
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was introduced in Spot 1.2 as a command that reads automata
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in
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.BR ltl2dstar 's
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format, and converts them into TGBA. At this time it was
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the only command-line tool being able to read automata.
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.PP
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In Spot 1.99.1 the
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.B autfilt
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command was introduced, but could only read automata
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in the HOA format, or in
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.BR lbtt 's
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format, or as never claims. So
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.B dstar2tgba
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was still the only way to process automata
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in
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.BR ltl2dstar 's
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format.
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.PP
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In Spot 1.99.4 the parser for
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.BR ltl2dstar 's
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format was finally merged with the parser
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used by
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.B autfilt
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for reading the other format. This implies not only
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that
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.B autfilt
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can now read
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.BR ltl2dstar's
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format, but also that
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.B dstar2tgba
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can read the other formats as well.
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Nowadays, the command
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.PP
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.in +4n
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.nf
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.ft C
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% dstar2tgba some files
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.fi
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.PP
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can be used as a shorthand for
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.PP
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.in +4n
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.nf
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.ft C
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% autfilt \-\-tgba \-\-high \-\-small some files
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.fi
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.PP
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The name
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.B dstar2tgba
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is kept for backward compatibility and because it is used
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in at least one published paper, but naming this tool
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.B aut2tgba
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would make more sense.
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[BIBLIOGRAPHY]
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.TP
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1.
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<http://www.ltl2dstar.de/docs/ltl2dstar.html>
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Documents the output format of ltl2dstar.
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.TP
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2.
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Chistof Löding: Mehods for the Transformation of ω-Automata:
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Complexity and Connection to Second Order Logic. Diploma Thesis.
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University of Kiel. 1998.
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Describes various tranformations from non-deterministic Rabin and
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Streett automata to Büchi automata. Slightly optimized variants of
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these transformations are used by dstar2tgba for the general cases.
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.TP
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3.
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Sriram C. Krishnan, Anuj Puri, and Robert K. Brayton: Deterministic
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ω-automata vis-a-vis Deterministic Büchi Automata. ISAAC'94.
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Explains how to preserve the determinism of Rabin and Streett automata
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when the property can be repreted by a Deterministic automaton.
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dstar2tgba implements this for the Rabin case only. In other words,
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translating a deterministic Rabin automaton with dstar2tgba will
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produce a deterministic TGBA or BA if such a automaton exists.
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.TP
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4.
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Souheib Baarir and Alexandre Duret-Lutz: Mechanizing the minimization
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of deterministic generalized Büchi automata. Proceedings of FORTE'14.
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LNCS 8461.
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Explains the SAT-based minimization techniques that can be used (on
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request only) by dstar2tgba to minimize deterministic Büchi automata.
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.TP
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5.
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Souheib Baarir and Alexandre Duret-Lutz: SAT-based minimization of
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deterministic ω-automata. Proceedings of LPAR'15 (a.k.a LPAR-20).
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LNCS 9450.
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Extends the previous paper by allowing arbitrary acceptance
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conditions.
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[SEE ALSO]
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.BR spot-x (7),
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.BR autfilt (1)
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