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add rewrite for partially interpreted arithmetic functions

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This commit is contained in:
Nikolaj Bjorner 2023-07-25 14:57:27 -07:00
parent 0f2fe6031a
commit c6aab89662
3 changed files with 34 additions and 0 deletions
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9
src/model/model_evaluator.cpp
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@ -421,6 +421,15 @@ struct evaluator_cfg : public default_rewriter_cfg {
return BR_DONE;
}
}
else if (!fi && m_au.is_considered_partially_interpreted(f, num, args, f_ui)) {
fi = m_model.get_func_interp(f_ui);
if (fi) {
var_subst vs(m, false);
result = vs(fi->get_interp(), num, args);
result = m.mk_ite(m.mk_eq(m_au.mk_real(rational(0)), args[1]), result, m.mk_app(f, num, args));
return BR_DONE;
}
}
else if (!fi && m_fpau.is_considered_uninterpreted(f, num, args)) {
result = m.get_some_value(f->get_range());
return BR_DONE;