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simulation: incorrect setting of non-deterministic property

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Fixes #286.

* spot/twaalgos/simulation.cc: Only set the deterministic
property, not the non-deterministic one.
* tests/core/ltl2tgba.test: Add test case.
* NEWS: Mention the issue.
This commit is contained in:
Alexandre Duret-Lutz 2017-09-28 20:38:13 +02:00
parent a13a4e7d23
commit ce5e3b654f
3 changed files with 15 additions and 3 deletions
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10
spot/twaalgos/simulation.cc
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@ -582,7 +582,9 @@ namespace spot
res->set_init_state(gb->get_state(previous_class_
[a_->get_init_state_number()].id()));
res->merge_edges(); // FIXME: is this really needed?
res->merge_edges(); // This helps merging some edges with
// identical conditions, but different
// mark sets.
// Mark all accepting state in a second pass, when
// dealing with SBA in cosimulation.
@ -616,8 +618,10 @@ namespace spot
true, // stutter inv.
});
// !unambiguous and !semi-deterministic are not preserved
if (!Cosimulation)
res->prop_universal(nb_minato == nb_satoneset);
if (!Cosimulation && nb_minato == nb_satoneset)
// Note that nb_minato != nb_satoneset does not imply
// non-deterministic, because of the merge_edges() above.
res->prop_universal(true);
if (Sba)
res->prop_state_acc(true);
return res;