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411 commits

Author SHA1 Message Date
Alexandre Duret-Lutz
58389bdb80 tl: extend F[n:m] and G[n:m] to the case of m=$
Suggested by Victor Khomenko.

* spot/tl/formula.cc, spot/tl/formula.hh, spot/parsetl/parsetl.yy:
Implement this.
* NEWS, doc/tl/tl.tex: Document it.
* tests/core/sugar.test, tests/python/ltlparse.py: Add some tests.
2019-06-02 14:39:21 +02:00
Alexandre Duret-Lutz
a85045091b introduce output_aborter, and use it in ltlcross
* spot/twaalgos/alternation.cc, spot/twaalgos/alternation.hh,
spot/twaalgos/complement.cc, spot/twaalgos/complement.hh,
spot/twaalgos/determinize.cc, spot/twaalgos/determinize.hh,
spot/twaalgos/minimize.cc, spot/twaalgos/minimize.hh,
spot/twaalgos/postproc.cc, spot/twaalgos/postproc.hh,
spot/twaalgos/powerset.cc, spot/twaalgos/powerset.hh,
spot/twaalgos/product.cc, spot/twaalgos/product.hh: Use an
output_aborter argument to abort if the output is too large.
* bin/ltlcross.cc: Use complement() with an output_aborter
so that ltlcross will not attempt to build complement larger
than 500 states or 5000 edges.  Add --determinize-max-states
and --determinize-max-edges options.
* tests/core/ltlcross3.test, tests/core/ltlcrossce2.test,
tests/core/sccsimpl.test, tests/core/wdba2.test,
tests/python/stutter-inv.ipynb: Adjust test cases.
* NEWS: Document this.
* bin/spot-x.cc: Add documentation for postprocessor's
det-max-states and det-max-edges arguments.
* doc/org/ltlcross.org: Update description.
2019-05-28 14:27:30 +02:00
Alexandre Duret-Lutz
90a88d0b5a tl: fix handling of f##[0:0]g, and of ##[0:n]g
The first issue was reported by Victor Khomenko.

* spot/tl/formula.cc: Introduce a single-argument
version of sugar_delay().
* spot/parsetl/parsetl.yy: Use it.
* doc/tl/tl.tex, spot/tl/formula.hh: Adjust doc.
* tests/core/ltlfilt.test, tests/core/sugar.test: More tests.
2019-05-20 20:59:33 +02:00
Alexandre Duret-Lutz
66a3b6f7cb tl: fix the definition of ##[i:j]
Reported by Victor Khomenko.

* NEWS, doc/tl/tl.tex, spot/tl/formula.cc: Fix the definition.
* tests/core/ltl2tgba.test: Add some test cases.
2019-05-19 09:16:42 +02:00
Alexandre Duret-Lutz
89fcd2b455 dot: replace large labels by "(label too long)"
Based on a report by Victor Khomenko.

* spot/twaalgos/dot.cc: Here.
* tests/core/readsave.test: Add test case.
* NEWS: Mention it.
2019-05-18 13:46:33 +02:00
Alexandre Duret-Lutz
f476483f4a tl: add support for ##[+] and ##[*]
Suggested by Victor Khomenko.

* spot/parsetl/parsetl.yy, spot/parsetl/scantl.ll: Implement them.
* NEWS, doc/tl/tl.tex: Document them.
* tests/core/sugar.test: Add a couple of tests.
2019-05-18 12:06:35 +02:00
Alexandre Duret-Lutz
b726d78cbd tl: new simplification rules
Related to issue #385.

* doc/tl/tl.tex, NEWS: Document the rules.
* spot/tl/simplify.cc: Implement the rules.
* tests/core/reduccmp.test, tests/core/ltl2tgba2.test: Add tests.
* tests/core/degenscc.test: Adjust.
2019-05-18 11:39:09 +02:00
Alexandre Duret-Lutz
e325289a12 simplify: more rules for first_match
* spot/tl/simplify.cc: Implement the rules.
* tests/core/reduccmp.test: Test them.
* doc/tl/tl.tex: Document them.
2019-05-11 14:10:57 +02:00
Alexandre Duret-Lutz
c6605e951d tl: add some simplifications for first_match
Following a discussion with Victor Khomenko.

* doc/tl/tl.tex: Document those rules.
* spot/tl/simplify.cc: Implement them.
* tests/core/reduccmp.test: Test them.
2019-05-08 15:08:31 +02:00
Alexandre Duret-Lutz
b7cd475632 tl: first_match does not preserve syntactic_si
* spot/tl/formula.cc: Fix it.
* tests/core/kind.test: Add test case.
2019-05-06 21:52:05 +02:00
Alexandre Duret-Lutz
6fac026454 implement SVA's first_match operator
* NEWS, doc/tl/tl.tex, doc/tl/tl.bib: Document it.
* spot/parsetl/parsetl.yy, spot/parsetl/scantl.ll: Parse it.
* spot/tl/formula.cc, spot/tl/formula.hh, spot/tl/dot.cc,
spot/tl/mutation.cc, spot/tl/print.cc, spot/tl/randomltl.cc,
spot/twaalgos/ltl2tgba_fm.cc: Adjust to support first_match.
* spot/tl/mark.cc, spot/tl/simplify.cc, spot/tl/snf.cc,
spot/tl/unabbrev.cc, spot/twa/formula2bdd.cc,
spot/twaalgos/ltl2taa.cc: Ignore it.
* tests/core/acc_word.test, tests/core/randpsl.test: Add more tests.
* tests/core/rand.test, tests/core/unambig.test,
tests/python/randltl.ipynb: Adjust.
* tests/python/formulas.ipynb: Show first_match.
2019-05-06 15:11:30 +02:00
Alexandre Duret-Lutz
60d488b30c tl: add support for ##n and ##[i:j] from SVA
* spot/tl/formula.cc, spot/tl/formula.hh (formula::sugar_delay): New
function to implement this operator as syntactic sugar.
* spot/parsetl/parsetl.yy, spot/parsetl/scantl.ll: Parse it.
* doc/tl/tl.tex: Document the syntactic sugar rules and precedence.
* tests/core/sugar.test: Add tests.
* NEWS: Mention this new feature.
2019-05-04 22:03:13 +02:00
Alexandre Duret-Lutz
9e7e6d50fb formula: b* is siSERE
Since b[+] and [*0] are siSERE, b* is siSERE as well.
Suggested by Victor Khomenko.

* spot/tl/formula.cc: Implement that for Star and also
in the concatenation rule.
* tests/core/kind.test, tests/core/ltlfilt.test: Adjust.
2019-04-26 22:14:19 +02:00
Alexandre Duret-Lutz
897925975b formula: fix syntactic-SI detection for ; operator
Reported by Victor Khomenko.

* spot/tl/formula.cc: Rewrite the siPSL detection for ";".
* tests/core/ltlfilt.test: Add more tests.
* tests/core/kind.test: Adjust.
* NEWS: Mention the bug.
2019-04-26 16:21:12 +02:00
Alexandre Duret-Lutz
7300488a24 fix "requires separate Inf and Fin sets" error from ltl2tgba -G
Report from David Müller.

* spot/twaalgos/simulation.cc: Add wrapper to deal with automata
sharing Fin/Inf sets.
* tests/core/ltl2tgba2.test: New test cases.
* NEWS: Mention the change.
2019-04-26 11:49:15 +02:00
Alexandre Duret-Lutz
48ecb903c5 sepsets: fix infinite loop
* tests/core/sepsets.test: New test case.
* spot/twaalgos/sepsets.cc: Fix the code.
* NEWS: Mention the problem.
2019-04-26 11:35:55 +02:00
Alexandre Duret-Lutz
d65ceb0bc8 bin: prefer posix_spawn over fork+exec
* configure.ac: Test for <spawn.h>.
* bin/common_trans.cc: Use posix_spawn when available.
* NEWS: Mention the change.
* tests/core/ltldo.test: Adjust expected error message.
2019-04-14 15:07:48 +02:00
Alexandre Duret-Lutz
948f99bc4e complement: add a complement() function
* spot/twaalgos/complement.cc,
spot/twaalgos/complement.hh (complement): New function.
* bin/autfilt.cc, spot/twa/twa.cc, spot/twaalgos/contains.cc,
spot/twaalgos/powerset.cc, spot/twaalgos/stutter.cc: Use it.
* tests/core/complement.test: Adjust.
* NEWS: Mention it.
2019-04-07 15:48:06 +02:00
Alexandre Duret-Lutz
4bb4aeb372 simulation: fix commit 8959eabad
* spot/twaalgos/simulation.cc: Restrict common_in marks to current SCC
when pushing them, otherwise weak automata might become inherently
weak.
* tests/core/sim3.test: Add test case.
2019-04-07 15:27:55 +02:00
Alexandre Duret-Lutz
628364909d dot: add option 'g'
* spot/twaalgos/dot.cc: Implement support for hidding labels.
* tests/core/readsave.test: Test it.
* bin/common_aoutput.cc: Add --help text.
* NEWS: Mention it.
2019-03-31 22:21:24 +02:00
Alexandre Duret-Lutz
01edf4f8e1 minimize_obligation: complement very weak automata if needed
Fixes #379.

* spot/twaalgos/minimize.cc: Here.
* tests/core/optba.test: Add test case provided by Rüdiger Ehlers.
* NEWS: Mention the improvement.
2019-03-22 22:20:00 +01:00
Alexandre Duret-Lutz
55c50c65c8 autfilt: add support for --highlight-accepting-run
Fixes #381.

* bin/autfilt.cc: Here.
* tests/core/highlightstate.test: Test it.
* NEWS: Mention it.
2019-03-20 21:47:32 +01:00
Alexandre Duret-Lutz
7af47c7db5 bin: fix handling of \r\n with %>
Fix issue #380.

* bin/common_finput.cc: Erase a trailing \r.
* tests/core/ltl2tgba2.test: Test it.
* NEWS: Mention the fix.
2019-03-20 21:31:11 +01:00
Alexandre Duret-Lutz
8959eabad6 simulation: try pulling marks instead of pushing them for sbacc input
Suggested by František Blahoudek.

* spot/twaalgos/simulation.cc: When doing forward simulation with
state-based acceptance as input but transition-based acceptance as
output, pull acceptance marks on incoming edges instead of pushing
them to outgoing edges.
* tests/core/dra2dba.test, tests/core/exclusive-tgba.test,
tests/core/ltlcrossce.test, tests/core/satmin3.test,
tests/core/sim3.test, tests/python/satmin.ipynb: Adjust test cases.
* NEWS: Mention the change.
2019-02-27 10:46:20 +01:00
Alexandre Duret-Lutz
699f21b9af product_susp: fix product of state-based automata
Reported by Simon Jantsch.

* spot/twaalgos/product.cc: Here.
* tests/core/unambig2.test: New file, testing this plus
the previous patch.
* tests/Makefile.am: Add unambig2.test.
* NEWS: Mention the bug.
2019-02-02 14:41:22 +01:00
Alexandre Duret-Lutz
ea9d894d01 parsetl: better handling of MS-DOS line endings
* spot/parsetl/scantl.ll: Ignore \r.
* tests/core/lbt.test: Add a test.
* NEWS: Mention the issue.
2019-02-02 11:39:03 +01:00
Alexandre Duret-Lutz
77f3ba9478 translate: fix stutter-invariant flag on leading Xs
Issue discovered by Mikuláš Klokočka and reported by František
Blahoudek.

* spot/twaalgos/translate.cc: Reset the stutter-invariant flag
when adding extra transitions for leading Xs.
* tests/core/stutter-tgba.test: New test case.
* NEWS: Mention the bug.
2018-12-07 15:53:54 +01:00
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
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
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
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
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
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
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
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
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