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ltl2aa: fix bdd manipulation in UConcat

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This commit is contained in:
Antoine Martin 2022-08-31 13:59:05 +02:00
parent 7eacf99f76
commit c1a0b5aa46
1 changed files with 9 additions and 5 deletions
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14
spot/twaalgos/translate_aa.cc
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@ -286,22 +286,26 @@ namespace spot
for (bdd cond : minterms_of(bddtrue, aps))
{
bdd dest = bdd_appex(sig, cond, bddop_and, aps);
while (dest != bddtrue)
while (dest != bddfalse)
{
assert(bdd_low(dest) == bddfalse);
assert(bdd_high(dest) == bddtrue);
auto it = var_to_state.find(bdd_var(dest));
assert(it != var_to_state.end());
auto it2 = old_to_new.find(it->second);
assert(it2 != old_to_new.end());
univ_dest.push_back(it2->second);
dest = bdd_high(dest);
dest = bdd_low(dest);
}
auto it = old_to_new.find(st);
assert(it != old_to_new.end());
unsigned src = it->second;
unsigned dst = uniq_.new_univ_dests(univ_dest.begin(),
univ_dest.end());
unsigned dst = univ_dest.empty()
? accepting_sink_
: (uniq_.new_univ_dests(univ_dest.begin(),
univ_dest.end()));
aut_->new_edge(src, dst, cond, {});
}
}