Parity games have been solved semi-locally so far.
We deduced a strategy for the reachable part of the arena
This lead to some inconsistencies when not all state were
rachable.
Now you can chose to solve parity games truely globally.
* spot/twaalgos/game.cc, spot/twaalgos/game.hh: Here
* tests/python/games.ipynb: Test
* spot/twa/formula2bdd.hh,
spot/twa/formula2bdd.cc (bdd_to_cnf_formula): New function.
* python/spot/__init__.py: Add a default dictionary for convenience.
* tests/python/bdditer.py: Add test cases.
* NEWS: Mention it.
Fixes issue #525.
* spot/twaalgos/dbranch.hh, NEWS: Document.
* spot/twaalgos/dbranch.cc: Detect cases where the acceptance should
be changed from state-based to transition-based.
* tests/python/dbranch.py: Add a test case.
Fixes#524, reported by Rüdiger Ehlers.
* spot/twaalgos/dbranch.cc: When merging an edge going to state
without successors simply delete it.
* bin/spot-x.cc: Typo in documentation.
* tests/core/ltlcross.test: Add a test case.
* NEWS: Mention the bug.
If an initial states without incoming transition has to be merged into
another one, its outgoing edges can be reused by just changing their
source.
* spot/parseaut/parseaut.yy (fix_initial_state): Implement this here.
* tests/core/522.test: Add more tests.
* tests/core/readsave.test: Adjust one expected output.
* doc/org/hoa.org: Mention the completeness change.
* NEWS: Mention the new feature.
Fixes#522 reported by Raven Beutner.
* spot/parseaut/parseaut.yy: Make sure all edges leaving
the initial state have the same color.
* THANKS: Add Raven.
* NEWS: Mention the bug.
* tests/core/522.test: New file.
* tests/Makefile.am: Add it.
* python/spot/__init__.py (acd): Rewrite javascript so that it does
not use jQuery, to make it easier to use in jupyterlab, or with
nbconvert.
* tests/python/zlktree.ipynb: Adjust.
* NEWS: Mention this.
Put the new function to use in order to speed up
mealy machine minimization
* spot/twaalgos/mealy_machine.cc: Here
* spot/twaalgos/synthesis.cc
, spot/twaalgos/synthesis.hh: Helper function to relabel games
* tests/python/_mealy.ipynb
, tests/python/except.py
, tests/python/_partitioned_relabel.ipynb: Adapt/expand tests
Function taking an automaton and trying to relabel
it by partitioning the old conditions and encode the
different subsets of the partition with new variables
* spot/priv/Makefile.am: Add
* spot/priv/partitioned_relabel.hh
, spot/priv/partitioned_relabel.cc: try_partition_me,
computes the partition of a given vector of bdds
* spot/twaalgos/relabel.hh
, spot/twaalgos/relabel.cc: Here. Adapt also relabel()
to cope with the different type of relabeling_maps
* tests/python/_partitioned_relabel.ipynb
, tests/python/except.py: Test and Usage
* tests/Makefile.am: Add test
Add the following rules:
- f|[+] = [+] if f rejects [*0]
- f|[*] = [*] if f accepts [*0]
- f&&[+] = f if f rejects [*0]
- b:b[*i..j] = b[*max(i,1)..j]
- b[*i..j]:b[*k..l] = b[*max(i,1)+max(k,1)-1,1), j+l-1]
* spot/tl/formula.cc: Implement the new rules.
* doc/tl/tl.tex: Document them.
* tests/core/equals.test: Test them.
* NEWS: Add them
When calling solve_parity_game() multiple times on the same
automaton the strategies are appended one after the other.
Reported by Dávid Smolka.
* NEWS: Mention the bug.
* spot/twaalgos/game.cc: Fix it.
* tests/python/game.py: Test it.
* THANKS: Add Dávid.
* spot/twaalgos/mealy_machine.cc (minimize_mealy): Do not compare
result to the original unsplit machine without splitting it first.
* tests/python/mealy.py: Add a test case.
Reported by Pierre Ganty.
* spot/parseaut/parseaut.yy: Add diagnostics.
* tests/core/parseaut.test: Adjust expected output, and add a test
case.
* NEWS: Mention the bug.
Fixes#521.
* spot/tl/simplify.cc, spot/tl/simplify.hh,
spot/twaalgos/translate.cc, spot/twaalgos/translate.hh: Add an option
to limit automata-based implication checks of n-ary operators when too
many operands are used. Defaults to 16.
* bin/spot-x.cc, NEWS, doc/tl/tl.tex: Document it.
* tests/core/bdd.test: Disable the limit for this test.
For issue #521, reported by Jacopo Binchi.
* spot/tl/simplify.cc: Here.
* tests/core/521.test: New test case.
* tests/Makefile.am: Add it.
* NEWS: Mention it.
* THANKS: Add Jacopo Binchi.
* python/spot/__init__.py: Add flatnested versions of some static
methods.
* spot/twa/acc.hh: Hide && version of & and |, causing trouble
to swig.
* tests/python/_synthesis.ipynb, tests/python/synthesis.ipynb:
Upgrade expected type names.
* tests/python/ipnbdoctest.py: Adjust for difference between 4.0 and
4.1.
Doing so reduced the number of GC passes tested in bdd.test, which is
good.
* spot/twaalgos/ltl2tgba_fm.cc: Simplify minato loops with
bdd_restrict.
* spot/twaalgos/synthesis.cc (split_2step): Use bdd_restrict instead
of bdd_appex.
* tests/core/bdd.test, tests/core/ltlf.test: Adjust test cases.
Based on a request from Pierre Ganty.
* spot/twaalgos/stats.cc, spot/twaalgos/stats.hh,
bin/common_aoutput.cc, bin/common_aoutput.hh: Implement those
options.
* tests/core/format.test: Add test case.
* doc/org/autfilt.org: Update doc.
* NEWS: Mention them.
* spot/twaalgos/parity.cc: Implement it.
* spot/twaalgos/parity.hh, NEWS: Document it.
* tests/python/parity.ipynb: Demonstrate it. This is the only test so
far, but more uses are coming.
* spot/tl/relabel.cc (formula_to_fgraph): Do not assume that n-ary
operators are Boolean operators.
* tests/python/relabel.py: Add a test case found while discussing
some expression with Antoine Martin.
* NEWS: Mention it.
* spot/twaalgos/translate.cc: When producing Parity output, split LTL
as we do in the Generic case.
* spot/twaalgos/postproc.hh, spot/twaalgos/postproc.cc: Use
acd_transform() and add an "acd" option to disable this.
* bin/spot-x.cc, NEWS: Document this.
* tests/core/genltl.test, tests/core/minusx.test,
tests/core/parity2.test: Adjust test cases for improved outputs.
As LRDE is being renamed LRE, gitlab is one of the first URL to
migrate. The old URL is still supported, but we want to only use the
new one eventually.
* .dir-locals.el, .gitlab-ci.yml, HACKING, NEWS, doc/org/concepts.org,
doc/org/install.org, doc/org/setup.org, elisp/Makefile.am,
elisp/hoa-mode.el, tests/ltsmin/README: Update to the new gitlab URL.
Based on a mail from Edmond Irani Liu. The test case also serves for
the previous patch.
* bin/genltl.cc, spot/gen/formulas.cc, spot/gen/formulas.hh: Add it.
* NEWS: Mention it.
* tests/core/genltl.test: Test it.
This is motivated by an example sent by Edmond Irani Liu,
that will be tested in next patch.
* spot/twaalgos/dbranch.cc, spot/twaalgos/dbranch.hh: New files.
* python/spot/impl.i, spot/twaalgos/Makefile.am: Add them.
* spot/twaalgos/translate.cc: Call delay_branching_here
unconditionally.
* spot/twa/twagraph.cc (defrag_states): Do not assume
that games are alternating.
* tests/core/genltl.test: Adjust expected numbers.
* tests/python/dbranch.py: New file.
* tests/Makefile.am: Add it.
* bin/ltlsynt.cc: Implement these options.
* bin/common_aoutput.hh, bin/common_aoutput.cc (automaton_format_opt):
Make extern.
* NEWS: Mention the new options.
* doc/org/ltlsynt.org: Use dot output in documentation.
* tests/core/ltlsynt.test: Quick test of the new options.
* spot/twaalgos/postproc.cc, spot/twaalgos/postproc.hh: Introduce a
merge-states-min option.
* bin/spot-x.cc: Document it.
* spot/gen/automata.cc, spot/gen/automata.hh, bin/genaut.cc: Add
option to generate cyclist test cases.
* NEWS: Document the above.
* tests/core/included.test: Add test cases that used to be too slow.
* spot/twaalgos/degen.hh, spot/twaalgos/degen.cc: Adjust
degeneralize() and degeneralize_tba() to work on generalized-co-Büchi.
* NEWS: Mention this.
* spot/twaalgos/cobuchi.hh, spot/twaalgos/cobuchi.cc (to_nca): Use
degeneralization on generalized-co-Büchi.
* spot/twaalgos/postproc.cc: Use degeneralization for generalized
co-Büchi as well.
* bin/autfilt.cc: Improve chain products of co-Büchi automata by using
generalization if too many colors are needed.
* tests/core/prodchain.test, tests/python/pdegen.py: Add test cases.
Improve the construction of the above constructions, saving colors.
* spot/twaalgos/product.cc: Here.
* spot/twaalgos/product.hh, NEWS: Mention it.
* tests/core/prodchain.test, tests/core/prodor.test,
tests/python/_product_weak.ipynb: Adjust.
* NEWS: Mention those change.
* spot/twaalgos/game.hh (print_pg): New function.
(pg_print): Mark as deprecated.
* spot/twaalgos/game.cc (pg_print): Redirect to print_pg().
(print_pg): Update to output state names.
* python/spot/__init__.py: Teach to_str() about print_pg().
* bin/ltlsynt.cc: Adjust to call print_pg().
* tests/python/games.ipynb: Add an example.
* tests/core/ltlsynt.test: Adjust to remove the "INIT" note.
