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fixing 2267

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Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
This commit is contained in:
Nikolaj Bjorner 2019-05-06 15:31:55 +02:00
parent 16af728fbe
commit 28ce701e17
15 changed files with 174 additions and 48 deletions
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32
src/model/func_interp.cpp
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@ -21,6 +21,7 @@ Revision History:
#include "ast/ast_smt2_pp.h"
#include "ast/ast_util.h"
#include "model/func_interp.h"
#include "ast/array_decl_plugin.h"
func_entry::func_entry(ast_manager & m, unsigned arity, expr * const * args, expr * result):
m_args_are_values(true),
@ -316,6 +317,37 @@ bool func_interp::is_identity() const {
return (sz.size() == m_entries.size() + 1);
}
expr_ref func_interp::get_array_interp(sort_ref_vector const& domain) const {
if (m_else == nullptr)
return expr_ref(m_manager);
if (!is_ground(m_else)) {
return expr_ref(m_manager);
}
array_util autil(m_manager);
sort_ref A(autil.mk_array_sort(domain.size(), domain.c_ptr(), m_manager.get_sort(m_else)), m_manager);
expr_ref r(autil.mk_const_array(A, m_else), m_manager);
expr_ref_vector args(m_manager);
for (func_entry * curr : m_entries) {
expr * res = curr->get_result();
if (m_else == res) {
continue;
}
args.reset();
args.push_back(r);
for (unsigned i = 0; i < m_arity; i++) {
expr* arg = curr->get_arg(i);
if (!is_ground(arg)) {
return expr_ref(m_manager);
}
args.push_back(arg);
}
args.push_back(res);
r = autil.mk_store(args.size(), args.c_ptr());
}
return r;
}
expr * func_interp::get_interp_core() const {
if (m_else == nullptr)
return nullptr;