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avoid useless false equality literals

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This commit is contained in:
Nikolaj Bjorner 2020-10-06 18:01:01 -07:00
parent 1d8d58710c
commit 546e152837
1 changed files with 2 additions and 0 deletions
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2
src/smt/smt_theory.cpp
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@ -132,6 +132,8 @@ namespace smt {
if (a == b) { if (a == b) {
return true_literal; return true_literal;
} }
if (m.are_distinct(a, b))
return false_literal;
app_ref eq(ctx.mk_eq_atom(a, b), get_manager()); app_ref eq(ctx.mk_eq_atom(a, b), get_manager());
TRACE("mk_var_bug", tout << "mk_eq: " << eq->get_id() << " " << a->get_id() << " " << b->get_id() << "\n"; TRACE("mk_var_bug", tout << "mk_eq: " << eq->get_id() << " " << a->get_id() << " " << b->get_id() << "\n";
tout << mk_ll_pp(a, get_manager()) << "\n" << mk_ll_pp(b, get_manager());); tout << mk_ll_pp(a, get_manager()) << "\n" << mk_ll_pp(b, get_manager()););