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gfguarantee: fix a typo in the code

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* spot/twaalgos/gfguarantee.cc: Call is_terminal_automaton() on
the reduced automaton.
* tests/core/ltl2tgba.test: Add a test case.
This commit is contained in:
Alexandre Duret-Lutz 2018-03-29 14:02:07 +02:00
parent 7a65bdf6bc
commit 5266010889
2 changed files with 9 additions and 4 deletions
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8
spot/twaalgos/gfguarantee.cc
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@ -99,7 +99,9 @@ namespace spot
for (auto& e: aut->out(init))
aut->new_edge(accstate, e.dst, e.cond, {0});
// This is not mandatory, but starting on the accepting
// state helps getting shorter accepting words.
// state helps getting shorter accepting words and may
// reader the original initial state unreachable, saving one
// state.
aut->set_init_state(accstate);
}
@ -137,7 +139,7 @@ namespace spot
twa_graph_ptr reduced = minimize_obligation(aut, f, nullptr,
!deterministic);
scc_info si(reduced);
if (!is_terminal_automaton(aut, &si, true))
if (!is_terminal_automaton(reduced, &si, true))
return nullptr;
do_g_f_terminal_inplace(si, state_based);
return reduced;
@ -148,7 +150,7 @@ namespace spot
bool deterministic, bool state_based)
{
twa_graph_ptr res = gf_guarantee_to_ba_maybe(gf, dict,
deterministic, state_based);
deterministic, state_based);
if (!res)
throw std::runtime_error
("gf_guarantee_to_ba(): expects a formula of the form GF(guarantee)");