* src/tgbaalgos/stutter.cc: Add a new variant of Etessami's check,
closer to his original paper in IPL.
* src/ltltest/stutter.test: Add more tests.
* bench/stutter/user.sh: Include this new variant in the benchmark.
* src/tgbaalgos/dotty.cc: Add option 'o'.
* src/bin/common_aoutput.cc, src/bin/dstar2tgba.cc: Document it.
* src/taalgos/dotty.cc: Ignore this option.
* src/tgbatest/readsave.test: Test it.
* wrap/python/tests/run.in: Make it easier to run python with gdb.
* wrap/python/tests/automata-io.ipynb: Add test case.
* wrap/python/spot.py (spot.automata): Make sure p is defined in all
cases.
* src/hoaparse/hoascan.ll: Make sure we do not close a file that
hasn't been opened.
Fixes#72.
* src/tgbaalgos/totgba.cc, src/tgbaalgos/totgba.hh: New files.
* src/tgbaalgos/Makefile.am: Add them.
* src/tgbaalgos/postproc.cc, src/tgbaalgos/postproc.hh: Add
a Generic output type, and call to_generalized_buchi() if
this type is not selected.
* src/tgbatest/remfin.test: Add some tests.
* src/bin/autfilt.cc: Add a --generic option, and set it
by default.
* src/taalgos/dotty.cc, src/taalgos/dotty.hh: Add an interface
similar to that of tgba/dotty.hh, even if we have to ignore
most options.
* src/taalgos/tgba2ta.cc, src/taalgos/tgba2ta.hh: Add an option
to display the intermediate automaton with explicit stuttering
transitions, for the purpose of making demonstrations.
* src/tgba/tgbagraph.hh: Tweak the file so that SWIG can
read it.
* wrap/python/spot.py: Add wrappers for testing automata.
* wrap/python/spot_impl.i: Fix support for
atomic_prop_collect_as_bdd, and include a few more files.
* wrap/python/tests/testingaut.ipynb: New file.
* wrap/python/tests/Makefile.am: Add it.
* src/tgbaalgos/degen.cc, src/tgbaalgos/degen.hh: New argument
to disable the "jump to the accepting level if the entering
state as an accepting self-loop" optimization.
* src/tgbaalgos/postproc.cc, src/tgbaalgos/postproc.hh: Check
the degen-lowinit option and pass it on to degeneralize().
* src/bin/spot-x.cc: Document it.
* src/tgbatest/degenlskip.test: Add some tests.
* src/tgbatest/ltl2ta.test: Update value. We output less
accepting states now.
Doing so is not wrong, but it's superfluous, and the extra accepting
state will cause additional work in emptiness checks based on NDFS.
Report from Jan Strejček.
* src/tgbaalgos/degen.cc: Here.
* src/tgbatest/degenid.test: Add a test case.
And add a cleanup_acceptance() version that copies.
* src/tgbaalgos/cleanacc.cc, src/tgbaalgos/cleanacc.hh: Rename
and add the second version.
* src/bin/autfilt.cc, src/bin/ltlcross.cc,
src/tgbaalgos/dtgbacomp.cc, src/tgbaalgos/remfin.cc: Use
cleanup_acceptance_here.
* src/hoaparse/hoaparse.yy, src/hoaparse/hoascan.ll,
src/hoaparse/parsedecl.hh, src/hoaparse/public.hh:
Add a way to read automata from a file descriptor.
* wrap/python/spot.py: Add machinery to read from
pipes.
* wrap/python/tests/piperead.ipynb: New file.
* wrap/python/tests/Makefile.am: Add it.
* wrap/python/tests/run.in: Setup PATH.
* src/bin/autfilt.cc: Add option.
* src/ltlvisit/exclusive.cc, src/ltlvisit/exclusive.hh: implement it.
* src/tgbatest/exclusive.test: Test it.
* src/misc/minato.cc, src/misc/minato.hh: Add an interface to
simplify a Boolean function with don't care.
* src/hoaparse/fmterror.cc, src/hoaparse/public.hh,
src/hoaparse/hoaparse.yy (hoa_stream_parser::parse_strict): New method
that raises an exception whenever a syntax error is encountered.
* src/ltlparse/public.hh (parse_error): Move ...
* src/misc/common.hh: ... here.
* wrap/python/spot_impl.i: Wrap the hoa output.
* wrap/python/spot.py: Implement spot.automata.
* wrap/python/tests/automata-io.ipynb: New test.
* wrap/python/tests/Makefile.am: Add it.
Fixes#70.
We don't modify the behavior of mask_keep_states(), because it is
actually useful in some algorithm to remove states without renumbering
all the other states.
* src/bin/autfilt.cc: Call purge_dead_states().
* src/tgbatest/maskkeep.test: Adjust.
* src/tgba/acc.cc, src/tgba/acc.hh: Add a way to extract
an unstatisfiable mark, and fix the eval() function for
Fin acceptance.
* src/tgbaalgos/complete.cc: Label the sink state using
an unsatisfiable mark. Do not assume generalized Büchi.
* src/tgbatest/complete.test: New test.
* src/tgbatest/Makefile.am: Add it.
Sometimes, simplifying the acceptance condition (because it refers to
sets that do not appear in the automaton) cause more sets to be removed
from the acceptance condition, and therefore warrant another pass to
remove those sets from the automaton.
* src/tgbaalgos/cleanacc.cc: Here.
* src/tgbatest/hoaparse.test: Add a test case.
It makes more sense to assume that the removed set cannot be visited.
* src/tgbaalgos/mask.cc: Flip a Boolean.
* src/tgbatest/maskacc.test: Adjust test case.
* doc/org/autfilt.org: Add an example.
* src/tgba/tgbagraph.cc (purge_dead_states): Using a DFS to compute a
topological order, allowing to remove useless using a second
pass (instead of iterating the passes until there is nothing to remove).
* src/tgbaalgos/remfin.cc: Call purge_dead_states().
* src/tgbatest/remfin.test, src/tgbatest/det.test: Adjust expected
output.
* doc/org/autfilt.org: Update example.
... or the pointer might be invalidated if the environments
changes. Fixes#63.
* src/taalgos/dotty.cc, src/tgbaalgos/dotty.cc,
src/tgbaalgos/dtbasat.cc, src/tgbaalgos/dtgbasat.cc:
Copy the environment in strings instead.
* wrap/python/tests/automata.ipynb: Adjust comment.
Fixes#62.
* src/tgbaalgos/dtbasat.cc, src/tgbaalgos/dtgbasat.cc: Add call to
prop_state_based_acc() when building an automaton with state-based
acceptance.
* src/tgbatest/satmin2.test: New test.
* doc/org/satmin.org: Update.
This implement several new options for --dot in order to
allow emptiness sets to be output as colored ⓿ or ❶...
Also add a SPOT_DOTDEFAULT environment variable.
* NEWS, src/bin/man/spot-x.x, src/bin/common_aoutput.cc,
src/bin/dstar2tgba.cc: Document the new options.
* doc/org/.dir-locals.el, doc/org/init.el.in: Setup
SPOT_DOTEXTRA and SPOT_DOTDEFAULT for all documents.
* doc/org/autfilt.org, doc/org/dstar2tgba.org, doc/org/ltl2tgba.org,
doc/org/ltldo.org, doc/org/oaut.org, doc/org/randaut.org,
doc/org/satmin.org: Adjust to this new setup.
* src/misc/escape.cc, src/misc/escape.hh (escape_html): New function.
* src/tgba/acc.cc, src/tgba/acc.hh (to_text, to_html): New method.
* src/tgbaalgos/dotty.cc: Implement the new options.
* src/tgbatest/readsave.test, wrap/python/tests/automata.ipynb: More
tests.
* wrap/python/spot.py: Make sure the default argument for
dotty_reachable is None, so that SPOT_DOTDEFAULT is honored.
* src/tgbaalgos/dotty.cc, src/taalgos/dotty.cc: Honnor the SPOT_DOTEXTRA
environement variable.
* src/tgbatest/readsave.test, wrap/python/tests/automata.ipynb: Test it.
* NEWS, src/bin/man/spot-x.x: Document it.
* src/misc/escape.hh, src/misc/escape.cc (escape_latex): New function.
* src/ltlvisit/tostring.cc: Escape atomic proposition in LaTeX output.
* wrap/python/spot.py: Make it easy to output formulas in different
syntaxes. Also allow the AST to be shown.
* wrap/python/spot_impl.i: Catch std::runtime_error.
* wrap/python/tests/formulas.ipynb: New file.
* wrap/python/tests/Makefile.am: Add it.
* src/ltlvisit/randomltl.cc, src/ltlvisit/randomltl.hh: Throw
invalid_argument exceptions consistently (not std::string), and use
forwarding constructors to avoid the construct() method.
* src/bin/randltl.cc: Catch the above exceptions. Destroy
the opts variable right after its use, so that we don't need
explicit destructor calls.
* src/ltltest/rand.test: Add a test.
* wrap/python/spot.i: Rename to...
* wrap/python/spot_impl.i: ...this, and import spot_impl from spot.py so
that it is not needed to recompile everything when modifying python
code.
* wrap/python/spot.py: Adding python functions to mirror the
functionalities found in src/bin.
* src/bin/common_r.cc: Move simplification level...
* src/ltlvisit/simplify.hh: ... here as a constructor of
ltl_simplifier_options, to make it available in wrap/python.
* src/bin/ltlfilt.cc: Set simplification level using the new
ltl_simplifier_options constructor.
* src/bin/randltl.cc: Move most of the code...
* src/ltlvisit/randomltl.cc, src/ltlvisit/randomltl.hh: ... here, as a
class named randltlgenerator.
* wrap/python/tests/bddnqueen.py, wrap/python/tests/minato.py: Avoid
calling bdd_init twice by moving 'import spot' after bdd initialization.
* wrap/python/Makefile.am: Rename spot to spot_impl
* wrap/python/tests/Makefile.am: Add ipnbdoctest.py.
* wrap/python/.gitignore: Rename spot.py to spot_impl.py
* src/ltlvisit/tostring.cc: \ttrue and \ffalse should be \top and \bot.
* wrap/python/tests/ipnbdoctest.py: Run code cells of a python notebook
and compare the output to the actual content of the notebook.
* wrap/python/tests/randltl.ipynb: Document and test randltl.
* wrap/python/tests/run.in: Call ipnbdoctest.py to run ipython
notebooks.
* src/tgba/acc.cc, src/tgba/acc.hh (to_cnf, is_cnf): New functions.
* src/bin/autfilt.cc: Add a --cnf-acceptance option.
* src/tgbatest/acc2.test: Test it.
A Fin() terms with multiple sets should not appear under an And.
* src/tgba/acc.cc (is_dnf): Fix it.
* src/tgbatest/acc.cc, src/tgbatest/acc.test: Augment test case.
This way we have for instance
(Inf(1) | Fin(2)) & (Fin(1) | Inf(3)) & Inf(0)
converted into just
(Fin(1) & Fin(2) & Inf(0)) | (Inf(0)&Inf(1)&Inf(3))
while previously we would produce 4 terms:
(Fin(2) & Fin(1) & Inf(0)) | (Fin(2) & (Inf(0)&Inf(3)))
| (Fin(1) & (Inf(0)&Inf(1))) | (Inf(0)&Inf(1)&Inf(3))
* src/tgba/acc.cc (to_dnf): Recode it.
* src/tgbatest/acc2.test: Adjust.
Because scc_info does not perform a full emptiness check, it is not
always able to tell whether an SCC is accepting if the acceptance
condition use Fin primitives. This introduce is_rejecting_scc() in
addition to to is_accepting_scc(). Only one of them may be true, but
they can both be false if scc_info has no idea whether the SCC is
accepting.
* src/tgbaalgos/sccinfo.cc, src/tgbaalgos/sccinfo.hh: Implement
is_rejecting_scc().
* src/bin/ltlcross.cc, src/tgba/acc.cc, src/tgba/acc.hh,
src/tgbaalgos/dtgbacomp.cc, src/tgbaalgos/isweakscc.cc,
src/tgbaalgos/remfin.cc, src/tgbaalgos/safety.cc,
src/tgbaalgos/sccfilter.cc: Use it.
* src/tgbaalgos/dotty.cc: Use is_rejecting_scc() and is_accepting_scc()
to color SCCs.
* doc/org/oaut.org: Document the colors used.
* src/tgbatest/neverclaimread.test, src/tgbatest/readsave.test: Adjust
tests.
* src/tgbatest/sccdot.test: New test case.
* src/tgbatest/Makefile.am: Add it.
