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798 commits

Author SHA1 Message Date
Alexandre Duret-Lutz
29e08a1afb introduce count_univbranch_states() and count_univbranch_edges()
Fixes #368, suggested by František Blahoudek.

* spot/twaalgos/isdet.cc, spot/twaalgos/isdet.hh
(count_univbranch_states(), count_univbranch_edges()): New functions.
* bin/common_aoutput.cc, bin/common_aoutput.hh: Add %u and variants.
* NEWS: Mention these.
* tests/core/alternating.test: Test them.
2018-11-08 10:33:49 +01:00
Alexandre Duret-Lutz
60296317c7 python: more conventional __repr__ for several types
* NEWS: Mention the change.
* python/spot/__init__.py: Add _repr_latex_ for twa_word, and
remove __repr__ and __str__ for atomic_prop_set.
* python/spot/impl.i: Implement __repr__ and __str__ for
atomic_prop_set.  Fix __repr__ for trival, acc_code, acc_cond,
mark_t.  Remove __repr__ for twa_run and twa_word.
* tests/python/acc_cond.ipynb, tests/python/accparse.ipynb,
tests/python/atva16-fig2a.ipynb, tests/python/automata.ipynb,
tests/python/bdditer.py, tests/python/contains.ipynb,
tests/python/gen.ipynb, tests/python/highlighting.ipynb,
tests/python/ltlsimple.py, tests/python/ltsmin-dve.ipynb,
tests/python/product.ipynb, tests/python/relabel.py,
tests/python/satmin.ipynb tests/python/stutter-inv.ipynb,
tests/python/word.ipynb: Adjust test cases.
* tests/python/formulas.ipynb: Add test for atomic_prop_set.
2018-11-03 07:53:26 +01:00
Alexandre Duret-Lutz
c3b7a691e4 python: add __repr__ for rs_pair
* spot/twa/acc.hh: Hide default constructors, so that we can have
keyword arguments on the main constructor.
* python/spot/impl.i: Add __repr__.
* tests/python/setacc.py: Test it.
2018-11-02 11:10:11 +01:00
Alexandre Duret-Lutz
5bb9c87d4c python: fix return of is_rabin_like() and is_streett_like()
* python/spot/impl.i: Fix instantiation of vector_rs_pairs.
* tests/python/setacc.py: Add test cases.
* NEWS: Mention the bugs.
2018-10-31 19:44:19 +01:00
Alexandre Duret-Lutz
266581b272 python: fix binding of used_inf_fin_sets()
* python/spot/impl.i: Here.
* tests/python/setacc.py: Test it.
* NEWS: Mention the bug.
2018-10-31 15:48:39 +01:00
Alexandre Duret-Lutz
e0958ee7c6 python: add xargs support to translate() and postprocess()
Fixes #361.

* python/spot/__init__.py: Implement it.
* tests/python/optionmap.py: Test it.
* NEWS: Mention it.
2018-10-17 18:16:46 +02:00
Alexandre Duret-Lutz
d94efe9fe1 implement is_liveness() and is_liveness_automaton()
* spot/twaalgos/strength.cc, spot/twaalgos/strength.hh,
spot/tl/hierarchy.cc, spot/tl/hierarchy.hh: Here.
* bin/ltlfilt.cc (--liveness): New filter.
* NEWS: Mention those.
* tests/core/ltlfilt.test, tests/python/ltlsimple.py: Add test cases.
2018-10-15 21:37:31 +02:00
Alexandre Duret-Lutz
d2316b1428 fix ltlfilt --accept-word and --reject-word
* NEWS: Mention the issue.
* bin/ltlfilt.cc: Fix test.
* tests/core/acc_word.test: Test this.
2018-10-15 21:17:18 +02:00
Alexandre Duret-Lutz
58c1a968c7 option --low should disable gf-guarantee
Fixes #367.

* spot/twaalgos/translate.cc, spot/twaalgos/translate.hh: Fix it.
* NEWS: Mention the change.
* tests/core/ltl2tgba2.test: Test this.
2018-10-12 14:08:54 +02:00
Alexandre Duret-Lutz
3c86f034fc Büchi translation should not go through fg_safety_to_dca_maybe()
Fixes #366, reported by Simon Jantsch.

* spot/twaalgos/translate.cc: type_&Generic will also match if
type_==BA... use type_==Generic instead.
* tests/core/unambig.test: Add a test corresponding to Simon's report.
* NEWS: Describe the bug.
2018-10-12 14:08:54 +02:00
Alexandre Duret-Lutz
e5f76b77d4 solve build issue on Debian unstable i386
* tests/python/_product_weak.ipynb: Split large loop in two cells.
2018-10-08 16:03:17 +02:00
Alexandre Duret-Lutz
82a152c38a unabbreviate: add new rules based on eventual/universal arguments
Based on a report by Simon Jantsch.  Fixes #362.

* NEWS, doc/tl/tl.tex: Mention the new rules.
* spot/tl/unabbrev.cc: Implement them.
* tests/core/unabbrevwm.test: Test them.
* tests/python/randltl.ipynb: Adjust.
2018-10-01 17:53:05 +02:00
Alexandre Duret-Lutz
eae05119e5 exclusive_ap::constrain does not improve determism
Fixes #363.

* spot/tl/exclusive.cc: Fix the prop_copy() call.
* tests/core/exclusive-tgba.test: Test it.
* NEWS: Mention the issue.
2018-09-26 11:35:19 +02:00
Alexandre Duret-Lutz
250e121a60 print_dot: add xlabel to colored states if too many colors in use
Based on a report from Andreas Tollkötter.

* spot/twaalgos/dot.cc (highlight_states_show_num_): New option,
turned on implicitly when more than 8 colors are used.
* tests/core/highlightstate.test: Test it.
* NEWS: Mention it.
* THANKS: Add Andreas.
2018-09-25 14:04:11 +02:00
Alexandre Duret-Lutz
389ef16b1b gcc-snapshot warnings
* spot/kripke/kripkegraph.hh, spot/priv/bddalloc.hh,
spot/priv/freelist.hh, spot/priv/satcommon.hh, spot/ta/taexplicit.cc
spot/twa/bdddict.cc, spot/twa/twagraph.hh,
spot/twaalgos/alternation.hh, spot/twaalgos/dtwasat.cc,
spot/twaalgos/ltl2taa.cc, spot/twaalgos/stutter.cc,
tests/core/ngraph.cc: Add default constructors, copy constructors, or
remove useless destructors.
2018-08-11 17:33:53 +02:00
Alexandre Duret-Lutz
8a26744720 fix python bindings for spot::parsed_formula::f getter
* python/spot/impl.i: Add a typemap.
* tests/python/ltlsimple.py: Add a test case for an issue.
* NEWS: Mention the bug.
2018-08-02 23:05:22 +02:00
Alexandre Duret-Lutz
23722c031f contains: fix the semantics
spot::contains(a, b) should test a⊇b.  It was testing a⊆b instead.

* NEWS: Mention the bug.
* spot/twaalgos/contains.cc, spot/twaalgos/contains.hh: Fix the
code and documentation.
* tests/python/contains.ipynb: Adjust description and expected
results.
* python/spot/__init__.py: Also swap the argument of
language_containment_checker.contains()
* bin/autfilt.cc: Adjust usage.
2018-08-01 17:17:25 +02:00
Alexandre Duret-Lutz
4ce0d92896 tl: add some implication-based rewritings for "<->", "->", and "xor"
This prevents an exception from being raised if NNF is not performed
on Boolean properties and implication-based checks are used.

* NEWS: Mention the issue.
* spot/tl/simplify.cc, doc/tl/tl.tex: Add some rules.
* tests/python/ltlsimple.py: Test them.
2018-08-01 17:17:09 +02:00
Maximilien Colange
8d5d453efa ltlsynt: new algorithm, based on LAR
* bin/ltlsynt.cc: here
* tests/core/ltlsynt.test: test it
* NEWS: document it
2018-07-27 15:34:39 +02:00
Maximilien Colange
bd75ab5b39 ltlsynt: rework synthesis algorithms
ltlsynt now offers two algorithms: one where splitting occurs before
determinization (the historical one) and one where determinization
occurs before splitting.

* bin/ltlsynt.cc: here
* tests/core/ltlsynt.test: test it and refactor test file
* NEWS: document it
* spot/misc/game.hh, spot/misc/game.cc: remove Calude's algorithm
2018-07-27 14:22:11 +02:00
Maximilien Colange
516e9536df LAR made smarter with symmetry-based degeneralization
* spot/twaalgos/toparity.cc: here
* spot/twa/acc.hh, spot/twa/acc.cc: compute symmetries of an acceptance
  condition
* tests/python/accparse2.py, tests/python/toparity.py: test it
2018-07-27 00:44:19 +02:00
Alexandre Duret-Lutz
3303b86a89 ltl-split: translate any "safety" with "rest"
* tests/core/ltl2tgba2.test: Add a test-case reported by Maximilien.
* spot/twaalgos/translate.cc: Translate any "safety" formula with
"rest".
* tests/python/highlighting.ipynb: Adjust.
2018-07-26 18:17:13 +02:00
Alexandre Duret-Lutz
469d2b4ef4 genem: fix removal of unsatisfied Fin(x) sets
Fixes #360.

* spot/twa/acc.cc, spot/twa/acc.hh (force_inf): New method.
* spot/twaalgos/genem.cc: Fix the emptiness check using force_inf.
* tests/python/genem.py: Add test case and adjust the python
version of the emptiness check.
2018-07-26 16:07:30 +02:00
Alexandre Duret-Lutz
9f81df2cd4 scc_info: fix split_on_sets
* spot/twaalgos/sccinfo.cc (split_on_sets): Correctly register APs.
* tests/python/sccsplit.py: New file.
* tests/Makefile.am: Add it.
* NEWS: Mention the bug.
2018-07-26 16:07:22 +02:00
Alexandre Duret-Lutz
4b8910d3f9 ltlfilt: introduce --suspendable
* bin/ltlfilt.cc: Add the option.
* tests/core/ltlfilt.test: Use it.
* NEWS: Mention it.
2018-07-25 11:18:26 +02:00
Maximilien Colange
465536d1fe translate any automaton to a parity automaton
* spot/twaalgos/toparity.cc, spot/twaalgos/toparity.hh: implement it,
  based on last-appearance record (LAR)
* spot/twaalgos/Makefile.am: build it
* NEWS: document it
* python/spot/impl.i: add to python bindings
* tests/Makefile.am, tests/python/toparity.py: test it
2018-07-24 14:58:53 +02:00
Alexandre Duret-Lutz
d708174cfe genem: implement a generic emptiness check for twa_graph_ptr
* spot/twa/acc.cc, spot/twa/acc.hh (fin_unit, one_fin): New function.
* spot/twaalgos/genem.cc, spot/twaalgos/genem.hh: New files.
* spot/twaalgos/Makefile.am: Add it.
* tests/python/genem.py: New file.
* tests/Makefile.am: Add it.
* python/spot/impl.i: Add bindings for genem.hh.
* NEWS: Mention the new function.
2018-07-24 13:36:04 +02:00
Alexandre Duret-Lutz
6875284f94 fix two issues related to jupyter notebook execution
* tests/python/ipnbdoctest.py: Invert diffs inputs.
* tests/run.in: Run notebooks with
PYTHONIOENCODING=utf-8:surrogateescape to avoid exceptions when trying
to display utf-8 characters on ascii terminals.
2018-07-12 17:18:22 +02:00
Alexandre Duret-Lutz
46590af693 more documentation for twa_graph internals
* spot/graph/graph.hh, spot/twa/twagraph.hh, spot/twa/twagraph.cc:
Implement a dump_storage_as_dot() method.
* python/spot/__init__.py (twa_graph.show_storage): New method, above
dump_storage_as_dot().
* tests/python/twagraph-internals.ipynb: New file, with documentation
about the twa_graph internals, using show_storage() to illustrate
everything.
* tests/Makefile.am, doc/org/tut.org: Add it.
* python/spot/impl.i: Add bindings for out_iterasor, demonstrated in
the Python notebook.
* spot/twa/twa.hh: Add prop_reset().  Used in the notebook.
* NEWS: Mention the new notebook and function.
* doc/org/tut50.org: Link to the notebook.
* tests/python/ipnbdoctest.py: Adjust for twa_graph_ptr being
redefined in the spot namespace.
2018-07-12 15:23:23 +02:00
Alexandre Duret-Lutz
e7aa334a71 tl: add support for X[n], F[n:m] and G[n:m]
* NEWS, doc/tl/tl.tex, doc/tl/tl.bib: Document these new operators.
* spot/parsetl/parsetl.yy, spot/parsetl/scantl.ll: Parse those.
* spot/tl/formula.cc, spot/tl/formula.hh: Add constructors.
* spot/gen/formulas.cc: Use it.
* tests/core/sugar.test: New file.
* tests/Makefile.am: Add it.
2018-07-06 21:53:10 +02:00
Alexandre Duret-Lutz
0411099506 trival: prefer a global operator== relying on implicit conversion
Hopefully fixes #359.

* spot/misc/trival.hh: Declare a global operator==(trival,trival) that
replace the specialized operator==(bool,trival), and the in class
trival::operator(trival), thanks to the implicit construction from
bool to trival.  Make the repr_t/value_t constructor explicit, are
those are mostly internal to the library and may cause conflicts.
* spot/twa/twa.hh: Adjust to construct trival explicitly.
* python/spot/impl.i: Since Swig/Python does not support global
comparison operators, implement a member version, supporting
only __eq__(trival,bool) as before.
* tests/python/setacc.py: Adjust erroneous code.
* tests/python/trival.py: Add test cases.
2018-07-04 16:00:00 +02:00
43d426aaae complement: improve code coverage
* spot/twaalgos/complement.cc: removed unused code
* tests/python/except.py: test for exception raised
2018-07-02 18:36:56 +02:00
c717b58827 implement NCSB complementation
* spot/twaalgos/isdet.cc,spot/twaalgos/isdet.hh: Two new functions to
highlight deterministic SCCs
* spot/twaalgos/complement.cc,spot/twaalgos/complement.hh:
Implementation of the NCSB complementation algorithm
* tests/Makefile.am, tests/python/complement_semidet.py: Test the
implementation
* NEWS: document function
2018-07-02 14:32:57 +02:00
Alexandre Duret-Lutz
e48c6c40d0 ltl-split: deal with suspendable formulas that are false
Fixes #358.

* spot/twaalgos/translate.cc: Fix the assert().
* tests/core/ltl2tgba2.test: Add a test case.
2018-06-30 20:39:30 +02:00
Alexandre Duret-Lutz
c1b7497f84 gfguarantee: fix selection of moved init state
Fixes #357.

* spot/twaalgos/gfguarantee.cc: Decide that a moved init state is to
close from the terminal state *before* actually modifying the
automaton.
* tests/core/ltl2tgba2.test: Add a test.
2018-06-30 16:44:59 +02:00
Alexandre Duret-Lutz
4e8b35d7ca twa: introduce exclusive_word() and exclusive_run()
* spot/twa/twa.cc, spot/twa/twa.hh: Add these methods.
* NEWS, tests/python/contains.ipynb: Document them.
2018-06-29 21:55:21 +02:00
Alexandre Duret-Lutz
f5f5daec9a translate: enable a restricted form of ltl-split for TGBA/BA
Fixes #267

* spot/twaalgos/gfguarantee.cc: Fix a typo when comparing automata
sizes.
* spot/twaalgos/translate.cc, spot/twaalgos/translate.hh: Use
ltl-split even for BA/TGBA, but only of conjunctions with GF(..)
in those cases.
* tests/core/ltl2tgba2.test: Adjust and add the example of #267.
* tests/core/degenid.test, tests/core/parity2.test,
tests/core/stutter-tgba.test, tests/python/automata.ipynb,
tests/python/highlighting.ipynb, tests/python/stutter-inv.ipynb,
bin/spot-x.cc: Adjust.
2018-06-28 23:02:26 +02:00
Alexandre Duret-Lutz
0a8c6479b7 translate: extract obligations terms when translating LTL to Parity
* spot/twaalgos/translate.cc: Here.
* NEWS: Mention the change.
* tests/core/genltl.test: Add parity automata sizes for a set of
formulas.
* tests/core/parity2.test: Add another formula to the tests.
2018-06-25 20:40:29 +02:00
Alexandre Duret-Lutz
a325de8678 postproc: simplify the acceptance condition
* spot/twaalgos/postproc.cc: Here.
* spot/twaalgos/cobuchi.cc, spot/twaalgos/totgba.cc: Fix some bug
uncovered by the new simplified automata.
* tests/core/satmin2.test, tests/core/sccdot.test,
tests/core/sim3.test, tests/python/decompose.ipynb,
tests/python/satmin.ipynb: Update expected results.
* NEWS: Mention the simplification and the bug.
2018-06-22 17:17:45 +02:00
Alexandre Duret-Lutz
621fb818e3 improve translation of ms-phi-h=2..3
* spot/twaalgos/gfguarantee.cc: Rework the history computation to keep
an overapproximation of the history, and a longer one.  Also replay
the history even if there is no initial trivial SCC.  This helps with
translating FG(!a|XXXb) where we need to keep the history of a, but we
were previously unable to do so because some state had both "a" and
"ab" as input.
* spot/twaalgos/translate.cc: Optimize the product of suspendable
automata by removing useless trivial SCCs.
* tests/core/genltl.test, tests/core/satmin.test, NEWS: Adjust
expected results.
2018-06-21 10:02:13 +02:00
Maximilien Colange
c9131aee72 add a pool allocator for STL containers
* spot/priv/allocator.hh, spot/priv/Makefile.am: add a STL-compliant
  allocator based on spot::fixed_size_pool
* spot/misc/fixpool.hh, spot/misc/fixpool.cc, spot/misc/Makefile.am:
  refactor the existing spot::fixed_size_pool
* spot/ltsmin/ltsmin.cc, spot/twa/twaproduct.cc: reflect changes in the
  interface of spot::fixed_size_pool
* tests/core/mempool.cc: test the new allocator
2018-06-20 14:26:45 +02:00
Maximilien Colange
3fe74f1cb9 make valgrind understand our memory pools
Annotate pools with valgrind macros so that it detects errors in pool
usage. Typically, we wish valgrind to detect a leak when the user fails
to call proper deallocation function.

* spot/misc/fixpool.hh, spot/misc/mspool.hh: here
* configure.ac: ensure that valgrind header exists
* tests/Makefile.am, tests/core/mempool.cc, tests/core/mempool.test,
  tests/core/.gitignore: add tests to ensure valgrind accurately detects
  leaks
2018-06-20 14:26:31 +02:00
Alexandre Duret-Lutz
4815a361de translate: add ltl-split option
* spot/twaalgos/translate.cc, spot/twaalgos/translate.hh: Build
automata with generic acceptance by doing product of automata for
smaller subformulas.
* bin/spot-x.cc: Mention ltl-split.
* NEWS: Mention the change, and show some results.
* tests/core/genltl.test, tests/python/_product_susp.ipynb,
tests/python/highlighting.ipynb: Adjust test cases.
* doc/org/ltl2tgba.org: Update.
* tests/core/gragsa.test: Add another formula to cover more
code.
2018-06-20 11:38:59 +02:00
Alexandre Duret-Lutz
4f2e9512a2 product_susp: new function
* spot/twaalgos/product.cc, spot/twaalgos/product.hh: Implement it.
* tests/python/_product_susp.ipynb: New file.
* tests/Makefile.am: Add it.
* NEWS: Mention it.
2018-06-20 11:38:59 +02:00
Maximilien Colange
1183a935c7 fix a bug in aiger printer
* spot/twaalgos/aiger.cc: here
* tests/core/ltlsynt.test: add a non-regression test
2018-06-15 11:08:27 +02:00
Alexandre Duret-Lutz
fbc372e292 scc_filter: add quick test for very-weak
Related to issue #351.

* spot/twaalgos/sccfilter.cc: When handling weak automata, we know
they are very-weak if the SCC count is equal to the number of states.
* tests/core/dca2.test, tests/core/monitor.test,
tests/core/parity2.test, tests/core/randomize.test,
tests/core/readsave.test, tests/core/remfin.test,
tests/core/sccsimpl.test, tests/core/wdba2.test,
tests/python/dualize.py, tests/python/remfin.py: Adjust output.
2018-06-11 21:42:21 +02:00
Alexandre Duret-Lutz
95d732e331 specialize scc_filter for inherently_weak automata
Part of issue #351.

* spot/twaalgos/sccfilter.cc, spot/twaalgos/sccfilter.hh: Specialize
for inherently-weak automata.
* spot/twaalgos/postproc.cc: Simplify.
* tests/core/dca2.test, tests/core/parity2.test,
tests/core/prodor.test, tests/core/randomize.test,
tests/python/automata.ipynb, tests/python/highlighting.ipynb,
tests/python/product.ipynb, tests/python/remfin.py,
tests/python/stutter-inv.ipynb: Adjust.
* NEWS: Mention it.
2018-06-11 15:01:49 +02:00
Alexandre Duret-Lutz
1341c656be genltl: add --gf-equiv-xn, --gf-implies-xn
* spot/gen/formulas.cc, spot/gen/formulas.hh: Here.
* bin/genltl.cc: Add options.
* tests/core/genltl.test: Test them.
* NEWS: Mention them.
2018-06-08 15:51:11 +02:00
Alexandre Duret-Lutz
7e9325866f gf_guarantee_to_ba: save states using histories
This improves gf_guarantee_to_ba() on formulas GF(φ) where the
automaton for F(φ) as several leading transiant SCCs.  E.g.,
GF(a <-> XXXa) where we know get results that are as good as
those of delag without loosing on the cases where delag's technique
would actually produce two big automata.

* spot/twaalgos/gfguarantee.cc: Implement this.
* spot/twaalgos/gfguarantee.hh, NEWS: Document it.
* tests/core/ltl2tgba2.test, tests/core/ltl3ba.test: Add test cases.
2018-06-08 15:32:52 +02:00
Alexandre Duret-Lutz
ca1c67a73d simplifier: add two new rules
Fixes #354.

* spot/tl/simplify.cc: Implement the rules.
* doc/tl/tl.tex, NEWS: Document them.
* tests/core/reduccmp.test: Add tests.
* tests/core/det.test, tests/core/satmin.test: Adjust.
2018-06-05 08:48:40 +02:00