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Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
This commit is contained in:
Nikolaj Bjorner 2015-12-11 08:37:47 -08:00
parent 58411f64e8
commit 85b9bb3cc6
3 changed files with 5 additions and 1 deletions
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3
src/smt/proto_model/proto_model.cpp
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@ -196,6 +196,7 @@ bool proto_model::eval(expr * e, expr_ref & result, bool model_completion) {
ptr_buffer<expr> args;
expr * null = static_cast<expr*>(0);
todo.push_back(std::make_pair(e, null));
expr * a;
expr * expanded_a;
@ -254,6 +255,7 @@ bool proto_model::eval(expr * e, expr_ref & result, bool model_completion) {
if (new_t.get() == 0) {
// t is interpreted or model completion is disabled.
m_simplifier.mk_app(f, num_args, args.c_ptr(), new_t);
TRACE("model_eval", tout << mk_pp(t, m_manager) << " -> " << new_t << "\n";);
trail.push_back(new_t);
if (!is_app(new_t) || to_app(new_t)->get_decl() != f) {
// if the result is not of the form (f ...), then assume we must simplify it.
@ -302,6 +304,7 @@ bool proto_model::eval(expr * e, expr_ref & result, bool model_completion) {
else {
SASSERT(r1);
trail.push_back(r1);
TRACE("model_eval", tout << mk_pp(a, m_manager) << "\nevaluates to: " << r1 << "\n";);
expr * r2 = 0;
if (!eval_cache.find(r1.get(), r2)) {
todo.back().second = r1;