Update some text files for upcoming 0.5.
* NEWS: Update for upcoming 0.5. * HACKING: Update Automake requirement. * README: Mention the mailing list. * bench/ltlcounter/README: More text. * configure.ac: Report bugs to spot@lrde.epita.fr.
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Alexandre Duret-Lutz
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10
ChangeLog
10
ChangeLog
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@ -1,3 +1,13 @@
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2010-01-29 Alexandre Duret-Lutz <adl@lrde.epita.fr>
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Update some text files for upcoming 0.5.
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* NEWS: Update for upcoming 0.5.
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* HACKING: Update Automake requirement.
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* README: Mention the mailing list.
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* bench/ltlcounter/README: More text.
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* configure.ac: Report bugs to spot@lrde.epita.fr.
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2010-01-29 Alexandre Duret-Lutz <adl@lrde.epita.fr>
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Rename wrap/python/cgi/ as wrap/python/cgi-bin/.
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2
HACKING
2
HACKING
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@ -10,7 +10,7 @@ Here are the tools you need to bootstrap the CVS tree, or more
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generally if you plan to regenerate some of the generated files.
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GNU Autoconf >= 2.61
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GNU Automake >= 1.10
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GNU Automake >= 1.11
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GNU Libtool >= 2.2
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GNU Flex (the version seems to matters, we used 2.5.31)
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GNU Bison >= 2.4
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68
NEWS
68
NEWS
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@ -1,4 +1,70 @@
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New in spot 0.4a:
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New in spot 0.5 (2010-01-31):
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* We have setup two mailing lists:
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- <spot-announce@lrde.epita.fr> is read-only and will be used to
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announce new releases. You may subscribe at
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https://www.lrde.epita.fr/mailman/listinfo/spot-announce
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- <spot@lrde.epita.fr> can be used to discusse anything related
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to Spot. You may subscribe at
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https://www.lrde.epita.fr/mailman/listinfo/spot-announce
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* Two new LTL translations have been implemented:
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- eltl_to_tgba_lacim() is a symbolic translation for ELTL based
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on Couvreur's LaCIM'00 paper. For this translation, all operators
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are described as finite automata. A default set of operators is
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provided for LTL and user may add more automaton operators.
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- ltl_to_taa() is a translation based on Tauriainen's PhD thesis.
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LTL is translated to "self-loop" alternating automata
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and then to Transition-based Generalized Automata.
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The "Couvreur/FM" translation remains the best LTL translation
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available in Spot.
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* The data structures used to represent LTL formulae have been
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overhauled, and it resulted in a big performence improvement
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(in time and memory consumption) for the LTL translation.
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* Two complementation algorithms for state-based Büchi automata
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have been implemented:
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- tgba_complement is an on-the-fly implementation of the
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Kupferman-Vardi construction (TCS'05) for generalized acceptance
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conditions.
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- tgba_safra_complement is an implementation of Safra's
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complementation. This algorithm takes a degeneralized Büchi
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automaton as input, but our implementation for the Streett->Büchi
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step will produce a generalized automaton in the end.
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* ltl2tgba has gained several options and the help text has been
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reorganized. Please run src/tgbatest/ltl2tgba without arguments
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for details.
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* Automata using BDD-encoded transitions relation can now be pruned
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for useless states symbolically using the delete_unaccepting_scc()
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function. This is ltl2tgba's -R3b option.
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* The SCC-based simplification (ltl2tgba's -R3 option) has been
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rewritten and improved.
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* More benchmarks:
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- gspn-ssp/ some benchmarks published at ACSD'07,
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- ltlcounter/ translation of a class of LTL formulae used by
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Rozier & Vardi at SPIN'07
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- scc-stats/ SCC statistics after translation of LTL formulae
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- split-product/ parallelizing gain after splitting LTL automata
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* An experimental Kripke interface has been developed to simplify
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the integration of third party tools that do not use acceptance
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conditions, and that have label on states instead of transitions.
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This interface has not been used yet.
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* Experimental Interface with the Nips virtual machine.
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It is not very useful as Spot isn't able to retrieve any property
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information from the model. This will just check assertions.
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* Distribution:
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- The Boost C++ library is now required.
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- Update to Autoconf 2.65, Automake 1.11.1, Libtool 2.2.6b,
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Bison 2.4.1, and Swig 1.3.40.
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- Thanks to the newest Automake, "make check" will now
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run in parallel if you use "make -j2 check" or more.
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* Bug fixes:
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- Disable warnings from the garbage collection of BuDDy, it
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could break the standard output of ltl2tgba.
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- Fix several C++ constructs to ensure Spot will build with
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GCC 4.3, 4.4, and older 3.x releases, as well as with Intel's
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ICC compiler.
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- A very old bug in the hash function for LTL formulae caused Spot
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to sometimes (but very rarely) consider two different LTL formulae
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as equal.
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New in spot 0.4 (2007-07-17):
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13
README
13
README
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@ -1,3 +1,16 @@
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Keeping in touch
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================
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If you have questions regarding Spot, a bug reports, please send them
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to <spot@lrde.epita.fr>. This is a public mailing list which you may
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subscribe to at https://www.lrde.epita.fr/mailman/listinfo/spot but you
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should feel free to post without subscribing.
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We also run an extremely low traffic list for announcements of
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new releases of Spot. You may subscribe to that list at
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https://www.lrde.epita.fr/mailman/listinfo/spot-announce
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Installation
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============
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@ -1,6 +1,22 @@
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In the following paper by Rozier & Vardi, a class of LTL formula
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describing counters was used to stress many translators.
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@InProceedings{ rozier.07.spin,
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author = {Kristin Y. Rozier and Moshe Y. Vardi},
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title = {LTL Satisfiability Checking},
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booktitle = {Proc. the 12th International SPIN Workshop on
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Model Checking of Software (SPIN'07)},
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pages = {149--167},
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year = {2007},
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volume = {4595},
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series = {LNCS},
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publisher = {Springer-Verlag}
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}
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This benchmark uses the ltlcounter scripts of Kristin Y. Rozier (See
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src/tgbatest/ltlcounter/) to plot the performance of the ltl2tgba_fm
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algorithm.
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algorithm. Studying the behaviour of ltl2tgba_fm on this class of
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formulae helped us to improve the translation.
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Execute "./run" to compute the raw numbers, then execture
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"gnuplot plot.gnu" to plot the figures.
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@ -22,7 +22,7 @@
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# 02111-1307, USA.
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AC_PREREQ([2.61])
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AC_INIT([spot], [0.4a])
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AC_INIT([spot], [0.4a], [spot@lrde.epita.fr])
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AC_CONFIG_AUX_DIR([tools])
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AC_CONFIG_MACRO_DIR([m4])
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AM_INIT_AUTOMAKE([1.11 gnits nostdinc tar-ustar color-tests parallel-tests])
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