src/tgbaalgos/tarjan_on_fly.cc,
src/tgbaalgos/nesteddfs.hh,
src/tgbaalgos/nesteddfs.cc,
src/tgbaalgos/minimalce.hh,
src/tgbaalgos/minimalce.cc,
src/tgbaalgos/colordfs.hh,
src/tgbaalgos/colordfs.cc: four new algorithms for emptyness check.
src/tgbaalgos/gtec/ce.hh,
src/tgbaalgos/gtec/ce.cc: Adapt the counter exemple for the ce
object in minimalce.hh.
src/tgbatest/ltl2tgba.cc,
src/tgbatest/emptchk.test,
src/tgbaalgos/Makefile.am: Add files for emptyness-check.
* src/tgbaalgos/reductgba_sim_del.cc: Restrict to degeneralize automata.
* src/tgba/tgbareduc.hh: src/tgba/tgbareduc.cc: Merge transition
for scc reduce.
* src/tgbatest/reductgba.test: More Test.
* src/tgbatest/ltl2tgba.cc: Adjust ...
* src/tgbaalgos/reductgba_sim_del.cc, src/tgbaalgos/reductgba_sim.hh,
src/tgbaalgos/reductgba_sim.cc: try to optimize.
* src/tgba/tgbareduc.hh, src/tgba/tgbareduc.cc: Scc reduction
and we remove some acceptance condition in scc which are not accepting.
* src/ltlvisit/syntimpl.cc : Some case wasn't detect.
* src/ltlvisit/basicreduce.cc: Case FGa || FGb = F(Ga | Gb) added.
* src/ltltest/syntimpl.test: More Test.
* src/ltltest/syntimpl.cc: Put the formula in negative normal form.
with scc and delayed simulation.
* src/tgbatest/ltl2tgba.cc: Adjust parameters.
* src/tgbatest/reductgba.cc, src/tgbatest/Makefile.am: More Test.
* src/tgbaalgos/reductgba_sim_del.cc: Not finish, lot of bugs.
* src/tgbaalgos/reductgba_sim.hh, src/tgbaalgos/reductgba_sim.cc:
Remove some useless comments.
* src/tgba/tgbareduc.cc, src/tgba/tgbareduc.hh: Bug in SCC.
* src/ltlvisit/reducform.cc: Correct some bug for multop.
* src/ltltest/reduccmp.test: More Test.
* src/ltltest/reduc.cc: Thinko
* src/ltltest/equals.cc: Reduction compare
automata.
* src/tgbatest/spotlbtt.test, src/tgbatest/Makefile.am: Add some
test for reduction of automata.
* src/tgbaalgos/reductgba_sim_del.cc, src/tgbaalgos/reductgba_sim.cc,
src/tgbaalgos/reductgba_sim.hh: Compute some simulation relation
to reduce a tgba.
* src/tgba/tgbareduc.cc, src/tgba/tgbareduc.hh: A implementation
of tgba for the reduction.
* src/tgbaalgos/Makefile.am, src/tgba/Makefile.am:
Add the reduction of automata.
* src/ltlvisit/syntimpl.cc, src/ltlvisit/basereduc.cc:
Lot of mistake are corrected.
* src/ltlvisit/syntimpl.hh, src/ltlvisit/reducform.cc,
src/ltlvisit/reducform.hh, src/ltltest/reduc.cc: Adjust.
* src/ltltest/equals.cc, src/ltltest/reduccmp.test,
src/ltltest/Makefile.am: Add a test for reduction.
* src/misc/freelist.hh, src/misc/freelist.cc: New files.
* src/misc/Makefile.am (misc_HEADERS, libmisc_la_SOURCES): Add them.
* src/misc/bddalloc.hh (bdd_allocator): Inherit from free_list and
make dump_free_list visible.
* src/misc/bddalloc.cc (bdd_allocator::allocate_variables): Move
all the code into free_list::register_n() and
bdd_allocator::extend(), and call the former.
(bdd_allocator::release_variables): Move all the code into
free_list::release_n() and call it.
(bdd_allocator::extend): New method.
* src/tgba/bdddict.cc (bdd_dict::dump): Call dump_free_list;
Do not treat true and false specially. Otherwise it breaks
translation of F(false).
* src/tgbatest/explprod.test, src/tgbatest/tripprod.test: Do not
use true as acceptance condition.
* src/tgbaalgos/ltl2tgba_fm.cc (ltl_trad_visitor): Use Acc[b] as
acceptance condition for Fb, not Acc[Fb].
After this change, degeneralized automata are 40% smaller
in LBTT's statistics.
* src/tgba/tgbatba.cc (state_tba_proxy): Store an iterator,
pointing somewhere into the acceptance conditions list, instead of
an acceptance condition.
(state_tba_proxy::acceptance_iterator): New method.
(tgba_tba_proxy_succ_iterator): Adjust to use iterators too.
(tgba_tba_proxy_succ_iterator::current_state): If the current
transition is in several consecutive acceptance steps after the
expected one, advance many steps at once.
(tgba_tba_proxy::tgba_tba_proxy): Build the acceptance cycle
as a list, not a map.
(tgba_tba_proxy::get_init_state, tgba_tba_proxy::succ_iter):
Adjust.
* src/tgba/tgbatba.hh (tgba_tba_proxy::acc_cycle_): Declare as
a list, not a map.
just strip the last one. Escaping must be done at output.
* iface/gspn/gspm.cc (format_state): Likewise.
* src/misc/escape.hh, src/misc/escape.cc: New files.
* src/misc/Makefile.am: Add them.
* src/tgba/bddprint.cc (bdd_format_accset): New function.
* src/tgba/bddprint.hh (bdd_format_accset): New function.
* src/tgbaalgos/dotty.cc (dotty_bfs::process_state):
Escape the state name using escape_str().
(dotty_bfs::process_link): Escape conditions and acceptance
conditions using escape_str().
* src/tgbaalgos/save.cc (save_bfs::start): Call print_acc().
(save_bfs::print_acc): New function extracted from save_bfs::start().
Escape each acceptance condition.
(save_bfs::process_state): Use escape_str() and print_acc()
(tgba_explicit::merge_transitions): New method.
* src/tgbaalgos/ltl2tgba_fm.cc (ltl_to_tgba_fm): Factorize all
variables (not just Next and A) when computing prime implicants,
and then call merge_transitions().
(condition): ... this. We now accept only one condition, which
is a formula.
* src/tgba/tgbaexplicit.hh (tgba_explicit::add_neg_condition,
tgba_explicit::get_condition): Remove, unused.
* src/tgba/tgbaexplicit.cc: Likewise.
arcs. ltl2tgba_fm benefits from this and join multiple arcs with
the same destination and acceptance conditions.
* src/tgba/formula2bdd.cc, src/tgba/formula2bdd.hh: New files.
* src/tgba/Makefile.am (tgba_HEADERS, libtgba_la_SOURCES): Add them.
* src/tgba/bddprint.cc, src/tgba/bddprint.hh (bdd_pring_formula,
bdd_format_formula): New functions.
* src/tgba/tgbaexplicit.hh (tgba_explicit::get_condition,
tgba_explicit::add_condition, tgba_explicit::add_neg_condition,
tgba_explicit::declare_accepting_condition,
tgba_explicit::has_accepting_condition,
tgba_explicit::get_accepting_condition,
tgba_explicit::add_accepting_condition): Take a const formula*.
* src/tgba/tgbaexplicit.cc (tgba_explicit::add_condition):
Rewrite using formula_to_bdd.
* src/tgbaalgos/dotty.cc (dotty_bfs::process_link): Use
bdd_print_formula to display conditions.
* src/tgbaalgos/save.cc (save_bfs::process_state): Likewise.
* src/tgbaalgos/ltl2tgba_fm.cc (translate_dict::bdd_to_formula):
New function.
(translate_dict::conj_bdd_to_atomic_props): Remove.
(ltl_to_tgba_fm): Factor successors on accepting conditions
and destinations, not conditions. Use bdd_to_formula to translate
the conditions.
* src/tgbaparse/tgbaparse.yy: Expect conditions as a formula
in a string, call the LTL parser for this.
* src/tgbaparse/tgbascan.ll: Process " and \ escapes in
strings.
* src/tgbatest/emptchke.test, src/tgbatest/explicit.test,
src/tgbatest/explpro2.test, src/tgbatest/explpro3.test,
src/tgbatest/explprod.test, src/tgbatest/mixprod.test,
src/tgbatest/readsave.test, src/tgbatest/tgbaread.test,
src/tgbatest/tripprod.test: Adjust to new syntax for explicit
automata.
(state_ptr_equal, state_ptr_hash): New functors.
* src/tgba/statebdd.hh, src/tgba/statebdd.cc (state_bdd::hash):
New method.
* src/tgba/tgbaexplicit.hh, src/tgba/tgbaexplicit.cc
(state_explicit::hash): New method.
(ns_map, sn_map): Use Sgi::hash_map instead of std::map.
* src/tgba/tgbaproduct.hh, src/tgba/tgbaproduct.cc
(state_product::hash): New method.
* src/tgba/tgbatba.cc (state_tba_proxy::hash): New method.
* src/tgbaalgos/lbtt.cc (acp_seen, todo_set, seen_map): Redefine
using Sgi::hash_map or Sgi::hash_set.
(lbtt_reachable): Don't erase a key that is pointed to by an
iterator.
* src/tgbaalgos/reachiter.cc
(tgba_reachable_iterator::~tgba_reachable_iterator): Likewise.
* src/tgbaalgos/magic.cc (magic_search::~magic_search()): Likewise.
* src/tgbaalgos/magic.hh (hash_type): Redefine using Sgi::hash_map.
* src/tgbaalgos/reachiter.hh (seen_map): Redefine using Sgi::hash_map.
* iface/gspn/gspn.cc (state_gspn::hash): New method.
* src/misc/hash.hh (string_hash): New functor.
Compute all_accepting_conditions_ from neg_accepting_conditions_,
not by browsing the dictionary. The dictionary also contains
accepting conditions from other automata... This bug was a
consequence of the change from 2003-07-14.
* src/tgbaalgos/save.cc (save_bfs::start()): Likewise, do not
browse the dictionary to print accepting conditions. Call
->all_accepting_conditions() instead.
* src/tgba/tgbaproduct.cc (tgba_product::tgba_product): Typo
from 2003-08-22 in the computation of all_accepting_conditions_.
* src/tgbatest/explpro3.test: New file.
* src/tgbatest/Makefile.am (TESTS): Add explpro3.test.
* src/tgbatest/explprod.test, src/tgbatest/explpro2.test,
src/tgbatest/tripprod.test: Sort the output using Perl.
two operands share some acceptance conditions.
* src/tgba/tgbaproduct.hh (tgba_product::left_acc_complement_,
tgba_product::right_acc_complement_): New attribute.
* src/tgba/tgbaproduct.cc (tgba_product::tgba_product): Set them.
(tgba_product::succ_iter): Use them.
* src/tgba/explpro2.test: New file.
* src/tgba/Makefile.am (TESTS): Add it.
* src/tgba/bdddict.cc (bdd_dict::is_registered): Split as ...
(bdd_dict::is_registered_proposition, bdd_dict::is_registered_state,
bdd_dict::is_registered_accepting_variable): ... these.
* src/tgba/bdddict.hh: Likewise.
* src/tgba/tgbaexplicit.cc (tgba_explicit::set_init_state): New method.
(tgba_explicit::declare_accepting_condition): Arrange so that this
function can be called during the construction of the automaton.
(tgba_explicit::complement_all_accepting_conditions): New method.
(tgba_explicit::has_accepting_condition): Adjust to call
bdd_dict::is_registered_accepting_variable.
* src/tgba/tgbaexplicit.hh (tgba_explicit::set_init_state,
tgba_explicit::complement_all_accepting_conditions): New methods.
* src/tgbaalgos/ltl2tgba_fm.cc, src/tgbaalgos/ltl2tgba_fm.hh:
New files.
* src/tgbaalgos/Makefile.am (tgbaalgos_HEADERS,
libtgbaalgos_la_SOURCES): Add them.
* src/tgbaalgos/ltl2tgba.hh: Add bibtex entry in comment.
* src/tgbatest/Makefile.am (check_PROGRAMS): Remove spotlbtt
and tbalbtt.
(tbalbtt_SOURCES, tbalbtt_CXXFLAGS, spotlbtt_SOURCES): Remove.
* src/tgbatest/spotlbtt.cc: Delete, superseded by "ltl2tgba -F -t".
* src/tgbatest/ltl2tgba.cc: Implement the -f and -F options.
* src/tgbatest/spotlbtt.test: Use "ltl2tgba -F -t" instead of
"spotlbtt", "ltl2tgba -F -t -D" instead of "tbalbtt", and add
also check the ltl2tgba_fm translator.
* wrap/python/spot.i: Wrap ltl2tgba_fm.
* wrap/python/cgi/ltl2tgba.in: Add radio buttons to select
between ltl2tgba and ltl2tgba_fm.
* wrap/python/tests/ltl2tgba.py: Add support for the -f option.
* wrap/python/tests/ltl2tgba.test: Try the -f option.
(tgba::project_state): New method.
* src/tgba/tgbaproduct.hh, src/tgba/tgbaproduct.cc
(tgba_product::project_state): New method.
* src/tgba/tgbabta.hh, src/tgba/tgbabta.cc
(tgba_bta_proxy::project_state): New method.
* src/tgbaalgos/magic.cc (magic_search::print_result): Take
a restrict argument.