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turn on model evaluation for as-array, #2420 #3646

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Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
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Nikolaj Bjorner 2020-04-01 12:25:12 -07:00
parent 4f22e8c698
commit be1109e80f
1 changed files with 8 additions and 6 deletions
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14
src/model/model_evaluator.cpp
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@ -158,26 +158,28 @@ struct evaluator_cfg : public default_rewriter_cfg {
br_status reduce_app_core(func_decl * f, unsigned num, expr * const * args, expr_ref & result, proof_ref & result_pr) {
result_pr = nullptr;
family_id fid = f->get_family_id();
bool is_uninterp = fid != null_family_id && m.get_plugin(fid)->is_considered_uninterpreted(f);
bool _is_uninterp = fid != null_family_id && m.get_plugin(fid)->is_considered_uninterpreted(f);
br_status st = BR_FAILED;
if (num == 0 && (fid == null_family_id || is_uninterp)) { // || m_ar.is_as_array(f)) {
if (num == 0 && (fid == null_family_id || _is_uninterp || m_ar.is_as_array(f))) {
expr * val = m_model.get_const_interp(f);
func_decl* g = nullptr;
if (val != nullptr) {
result = val;
st = m_ar.is_as_array(val)? BR_REWRITE1 : BR_DONE;
TRACE("model_evaluator", tout << result << "\n";);
return st;
}
else if (m_model_completion && !m_ar.is_as_array(f)) {
if (!m_model_completion)
return BR_FAILED;
if (!m_ar.is_as_array(f, g) || g->get_family_id() == null_family_id) {
sort * s = f->get_range();
expr * val = m_model.get_some_value(s);
m_model.register_decl(f, val);
result = val;
return BR_DONE;
}
else {
return BR_FAILED;
}
return BR_FAILED;
}