* src/tgbaalgos/dtgbasat.cc: Here.

Reuse the existing <q1,q1',q1,q1',0,0> instead.

* src/tgbaalgos/dtgbasat.cc: Simplify.

* src/tgbaalgos/dtbasat.cc, src/tgbaalgos/dtgbasat.cc: Here.

* src/tgbaalgos/degen.cc: Here.
* src/tgbatest/degenid.test: Add a test case that is improved
by this.
* src/tgbatest/ltl2ta.test, src/tgbatest/ltl2tgba.test: Adjust.

* src/tgbaalgos/dtbasat.cc, src/tgbaalgos/dtgbasat.cc: Throw
exceptions on write errors.

* src/misc/satsolver.hh (clause_counter): New class.
* src/tgbaalgos/dtbasat.cc, src/tgbaalgos/dtgbasat.cc: Use it.

* src/tgbaalgos/degen.cc: Implement it.
* src/tgbatest/degenid.test: New test cases.

* src/tgbaalgos/postproc.cc: Handle negative values for
sat_minimize_ as a force option.

* src/tgbaalgos/postproc.cc: Compute original_acc before calling
scc_filter(), and do not degeneralize the automaton before calling
tba_determinize() even when building a BA.

* src/tgbaalgos/dtbasat.cc, src/tgbaalgos/dtgbasat.cc: Greatly reduce
the number of clauses and variable by removing any path variable that
reference a reference transition that is not in a SCC.

Thanks to Rüdiger Ehlers for his helpful email.

* src/tgbaalgos/dtbasat.cc, src/tgbaalgos/dtgbasat.cc: Here.

* src/ltlvisit/tostring.cc, src/ltlvisit/tostring.hh
(to_latex_string): New function.
* src/bin/common_output.cc, src/bin/common_output.hh:
Add a --latex option.
* doc/tl/spotltl.sty: New file.
* doc/tl/Makefile.am: Distribute it.
* src/ltltest/latex.test: New test.
* src/ltltest/Makefile.am: Add it.
* NEWS: Mention it.

* src/misc/satsolver.cc, src/misc/satsolver.hh (satsolver_get_solution):
New function, that accepts a solution split on multiple 'v ' lines.
* src/tgbaalgos/dtbasat.cc, src/tgbaalgos/dtgbasat.cc (get_solution):
Remove, and adjust existing code to use satsolver_get_solution().
* src/tgbatest/readsat.cc, src/tgbatest/readsat.test: New files.
* src/tgbatest/Makefile.am: Add them.
* src/bin/man/spot-x.x: Mention the SAT competition rules for
the expected input/output format.

* src/tgbaalgos/postproc.cc, src/tgbaalgos/postproc.hh: Tweak set_pref()
to also accept Any|Complete, Small|Complete, or Deterministic|Complete.
* src/bin/common_post.hh, src/bin/common_post.cc: Add option --complete
and set comp.
* src/bin/dstar2tgba.cc, src/bin/ltl2tgba.cc, src/bin/ltl2tgta.cc: Pass
comp to set_pref().
* src/tgbaalgos/complete.cc: Preserve state-based acceptance.
* src/tgbatest/dstar.test, src/tgbatest/ltlcross2.test,
src/tgbatest/nondet.test: Augment tests.
* doc/org/dstar2tgba.org, doc/org/ltl2tgba.org, NEWS: Document.

* src/tgbaalgos/dbacomp.cc, src/tgbaalgos/dbacomp.hh
(dba_complement): Rename to...
* src/tgbaalgos/dtgbacomp.cc, src/tgbaalgos/dtgbacomp.hh
(dtgba_complement): ... this.
* src/tgbaalgos/minimize.cc, src/tgbaalgos/powerset.cc,
src/tgbatest/ltl2tgba.cc, src/bin/ltlcross.cc,
src/tgbaalgos/Makefile.am: Adjust to name change.

* src/tgbaalgos/dtbasat.cc, src/tgbaalgos/dtbasat.hh:
(dtba_sat_minimize): Split into...
(dtba_sat_synthetize, dtba_sat_minimize): These.
(dtba_sat_minimize_dichotomy): New function.
* src/tgbaalgos/dtgbasat.cc, src/tgbaalgos/dtgbasat.hh
(dtgba_sat_minimize, dtgba_sat_synthetize): Likewise.
* src/tgbatest/ltl2tgba.cc: Adjust to new interface.
* src/tgbaalgos/postproc.cc, src/tgbaalgos/postproc.hh:
Cleanup option processing for SAT options.
* src/tgbatest/satmin.test: Adjust.
* src/bin/spot-x.cc, src/bin/man/spot-x.x, NEWS: Document.

* src/tgbaalgos/postproc.cc, src/tgbaalgos/postproc.hh:
Implement the wdba-minimize option.
* src/bin/spot-x.cc (wdba-minimize): Document.
* src/bin/man/spot-x.x: Update references.

* src/tgbaalgos/stats.cc, src/tgbaalgos/stats.hh: Add
support for printing run-time.
* src/bin/ltl2tgba.cc, src/bin/dstar2tgba.cc: Compute
the run-time and show the option.
* NEWS: Mention it.

* src/tgbaalgos/isdet.cc: Simplify determinism check.
* src/tgbaalgos/isdet.hh, src/tgbaalgos/isdet.cc (is_complete): New
function.
* src/tgbaalgos/stats.cc, src/tgbaalgos/stats.hh, src/bin/dstar2tgba.cc
src/bin/ltl2tgba.cc: Add escape sequence %p to the possible statistics
to show whether an automaton is complete.
* src/tgbatest/nondet.test: Add a couple more tests.

* src/tgbaalgos/dtbasat.cc, src/tgbaalgos/dtbasat.hh:
Rename dba_sat_minimize to dtba_sat_minimize.
Make it possible to produce state-based automata, and do
not output useless clauses.
* src/tgbaalgos/dtgbasat.cc, src/tgbaalgos/dtgbasat.hh:
likewise, but also add the possibility to set the
target number of states, as in dtba_sat_minimize.
* src/tgbaalgos/postproc.cc, src/tgbaalgos/postproc.hh:
Add new options for state-based computations and
setting acceptance and states number when using
dtgba_sat_minimize().
* src/tgbatest/ltl2tgba.cc: Adjust calls to
dtba_sat_minimize().
* src/tgbatest/satmin.test: Adjust calls.

* src/bin/ltlcross.cc: Complement deterministic automata,
and use them for additional intersection checks.
* NEWS, doc/org/ltlcross.org, src/bin/man/ltlcross.x: Document it.

This makes dstar2tgba able to produce a minimal WDBA when the input DRA
represent an obligation property.

* src/tgbaalgos/minimize.cc (minimize_obligation): When the
formula is not supplied but the input automaton is deterministic,
complement it to check the result of WDBA minimization.
* src/tgbatest/ltl2dstar.test, src/tgbatest/ltl2dstar2.test: Improve
tests.

Uses the value of the SPOT_SATSOLVER environment variable
to decide how to call the SAT solver.

* src/misc/satsolver.cc, src/misc/satsolver.hh: New files.
* src/misc/Makefile.am: Add them.
* src/tgbaalgos/dtbasat.cc, src/tgbaalgos/dtgbasat.cc: Use satsolver().

Joint work with Soheib Baarir.

* src/tgbaalgos/dtgbasat.cc, src/tgbaalgos/dtgbasat.hh: New files.
* src/tgbaalgos/Makefile.am: Add them.
* src/tgbaalgos/postproc.cc, src/tgbaalgos/postproc.hh: Add
a dtgba-sat-minimize option.
* src/tgbatest/ltl2tgba.cc: Add option -RG.
* src/tgbatest/satmin.test: Add more tests.

* src/tgbatest/satmin.test: New file.
* src/tgbatest/Makefile.am: Add it.

* src/tgbaalgos/postproc.hh, src/tgbaalgos/postproc.cc: Here.

* src/tgbaalgos/dtbasat.cc, src/tgbaalgos/dtbasat.hh: New files.
* src/tgbaalgos/Makefile.am: Add them.
* src/tgbatest/ltl2tgba.cc: Add option -RS.

* src/tgbaalgos/complete.cc, src/tgbaalgos/complete.hh: New files.
* src/tgbaalgos/Makefile.am: Add them.

* src/tgbaalgos/dbacomp.cc: Here.
* src/tgbaalgos/dbacomp.hh: Adjust documentation.
* src/tgbatest/dbacomp.test: New file.
* src/tgbatest/Makefile.am (TESTS): Add it.
* src/tgbatest/det.test: Update.

* src/tgbaalgos/powerset.cc, src/tgbaalgos/powerset.hh
(tba_determinize, tba_determinize_check): Add a cycle_threshold
argument.
* src/tgbaalgos/postproc.cc: Use it.
* src/tgbatest/ltl2tgba.cc: Adjust calls.

* src/tgbaalgos/postproc.cc: Use tba_determinize_check()
if option "tba-det" is set.
* src/tgbaalgos/postproc.hh (tba_determinize_): New attribute.
* src/tgbatest/det.test: New file.
* src/tgbatest/Makefile.am (TESTS): Add it.

* src/tgbaalgos/powerset.cc, src/tgbaalgos/powerset.hh
(dba_determinize, dba_determinize_check): Add a threshold
argument.
* src/tgbatest/ltl2tgba.cc (-O, -RQ): Accept a threshold
argument.

* src/tgbaalgos/powerset.cc, src/tgbaalgos/powerset.hh
(tba_determinize_check): New function.
* src/tgbatest/ltl2tgba.cc (-O): Use it.

Loosely based on "Complementing Deterministic Büchi Automata in
Polynomial Time", R. P. Kurshan, 1987, J. Comp. Syst. Sci. 35.

* src/tgbaalgos/dbacomp.cc, src/tgbaalgos/dbacomp.hh: New files.
* src/tgbaalgos/Makefile.am: Add them.
* src/tgbatest/ltl2tgba.cc (-DC): New option to test it.

* src/tgbaalgos/powerset.hh,
src/tgbaalgos/powerset.cc (tba_determinize): New function.
* src/tgbatest/ltl2tgba.cc (-RQ): New option, for testing.