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add support for the "terminal" property

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* src/twa/twa.hh: Store the terminal property.
* src/twaalgos/hoa.cc, src/parseaut/parseaut.yy: Add I/O for "terminal".
* src/twaalgos/ltl2tgba_fm.cc, src/twaalgos/minimize.cc: Set terminal
as apropriate.
* src/twaalgos/safety.cc: Use it.
* doc/org/tut21.org, doc/org/hoa.org, NEWS: Document it.
* src/tests/complement.test, src/tests/monitor.test,
wrap/python/tests/automata-io.ipynb: Adjust.
This commit is contained in:
Alexandre Duret-Lutz 2015-11-07 13:36:31 +01:00
parent 654888718c
commit 0c5f87b442
12 changed files with 68 additions and 29 deletions
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13
src/twaalgos/ltl2tgba_fm.cc
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@ -1972,6 +1972,8 @@ namespace spot
}
bdd all_events = observable_events | unobservable_events;
auto orig_f = f2;
// This is in case the initial state is equivalent to true...
if (symb_merge)
f2 = fc.canonize(f2);
@ -2172,9 +2174,6 @@ namespace spot
}
}
// Set the following to true to preserve state names.
a->release_formula_namer(namer, false);
auto& acc = a->acc();
unsigned ns = a->num_states();
for (unsigned s = 0; s < ns; ++s)
@ -2185,10 +2184,18 @@ namespace spot
a->prop_inherently_weak(f2.is_syntactic_persistence());
a->prop_stutter_invariant(f2.is_syntactic_stutter_invariant());
if (orig_f.is_syntactic_guarantee())
{
a->prop_terminal(true);
assert(a->num_sets() <= 1);
}
// Currently the unambiguous option work only with LTL.
a->prop_unambiguous(f2.is_ltl_formula() && unambiguous);
// Set the following to true to preserve state names.
a->release_formula_namer(namer, false);
if (!simplifier)
// This should not be deleted before we have registered all propositions.
delete s;