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add limit checks in Grobner. Issue #599

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Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
This commit is contained in:
Nikolaj Bjorner 2016-05-15 11:34:48 -07:00
parent c35e1c9852
commit 42726171b5
4 changed files with 45 additions and 16 deletions
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src/model/model_evaluator.cpp
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@ -114,7 +114,8 @@ struct evaluator_cfg : public default_rewriter_cfg {
br_status reduce_app(func_decl * f, unsigned num, expr * const * args, expr_ref & result, proof_ref & result_pr) {
result_pr = 0;
family_id fid = f->get_family_id();
if (num == 0 && (fid == null_family_id || m().get_plugin(f->get_family_id())->is_considered_uninterpreted(f))) {
bool is_uninterp = fid != null_family_id && m().get_plugin(fid)->is_considered_uninterpreted(f);
if (num == 0 && (fid == null_family_id || is_uninterp)) {
expr * val = m_model.get_const_interp(f);
if (val != 0) {
result = val;