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Bugfix for model evaluator and internal, uninterpreted FPA functions.

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Fixes #518
This commit is contained in:
Christoph M. Wintersteiger 2016-03-16 16:16:53 +00:00
parent cdc8e1303a
commit 778c7fcc64
3 changed files with 21 additions and 1 deletions
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4
src/api/api_ast.cpp
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@ -1186,6 +1186,10 @@ extern "C" {
case OP_FPA_TO_IEEE_BV: return Z3_OP_FPA_TO_IEEE_BV;
case OP_FPA_INTERNAL_BVWRAP:
case OP_FPA_INTERNAL_BVUNWRAP:
case OP_FPA_INTERNAL_MIN_I:
case OP_FPA_INTERNAL_MAX_I:
case OP_FPA_INTERNAL_MIN_UNSPECIFIED:
case OP_FPA_INTERNAL_MAX_UNSPECIFIED:
case OP_FPA_INTERNAL_TO_UBV_UNSPECIFIED:
case OP_FPA_INTERNAL_TO_SBV_UNSPECIFIED:
case OP_FPA_INTERNAL_TO_REAL_UNSPECIFIED:

16
src/ast/fpa_decl_plugin.h
View file

@ -184,6 +184,22 @@ class fpa_decl_plugin : public decl_plugin {
unsigned mk_id(mpf const & v);
void recycled_id(unsigned id);
virtual bool is_considered_uninterpreted(func_decl * f) {
if (f->get_family_id() != get_family_id())
return false;
switch (f->get_decl_kind())
{
case OP_FPA_INTERNAL_TO_UBV_UNSPECIFIED:
case OP_FPA_INTERNAL_TO_SBV_UNSPECIFIED:
case OP_FPA_INTERNAL_TO_REAL_UNSPECIFIED:
case OP_FPA_INTERNAL_TO_IEEE_BV_UNSPECIFIED:
return true;
default:
return false;
}
return false;
}
public:
fpa_decl_plugin();

2
src/model/model_evaluator.cpp
View file

@ -111,7 +111,7 @@ 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 (fid == null_family_id && num == 0) {
if (num == 0 && (fid == null_family_id || m().get_plugin(f->get_family_id())->is_considered_uninterpreted(f))) {
expr * val = m_model.get_const_interp(f);
if (val != 0) {
result = val;