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use expr-vectors

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Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
This commit is contained in:
Nikolaj Bjorner 2017-11-21 16:07:10 -08:00
parent 87a1e2b30e
commit edffdf857c
4 changed files with 24 additions and 14 deletions
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18
src/tactic/generic_model_converter.cpp
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@ -19,6 +19,7 @@ Notes:
--*/
#include "ast/ast_pp.h"
#include "ast/for_each_expr.h"
#include "ast/ast_util.h"
#include "tactic/generic_model_converter.h"
#include "model/model_v2_pp.h"
#include "model/model_evaluator.h"
@ -101,19 +102,32 @@ struct min_app_idx_proc {
void generic_model_converter::operator()(expr_ref& fml) {
min_app_idx_proc min_proc(m_first_idx);
for_each_expr(min_proc, fml);
expr_ref_vector fmls(m);
fmls.push_back(fml);
unsigned min_idx = min_proc.m_min;
for (unsigned i = m_add_entries.size(); i-- > min_idx;) {
entry const& e = m_add_entries[i];
unsigned arity = e.m_f->get_arity();
if (arity == 0) {
fml = m.mk_and(fml, m.mk_eq(m.mk_const(e.m_f), e.m_def));
fmls.push_back(m.mk_eq(m.mk_const(e.m_f), e.m_def));
}
else {
NOT_IMPLEMENTED_YET();
expr_ref_vector args(m);
sort_ref_vector sorts(m);
svector<symbol> names;
for (unsigned i = 0; i < arity; ++i) {
sorts.push_back(e.m_f->get_domain(i));
names.push_back(symbol(i));
args.push_back(m.mk_var(i, sorts.back()));
}
expr_ref lhs(m.mk_app(e.m_f, arity, args.c_ptr()), m);
expr_ref body(m.mk_eq(lhs, e.m_def), m);
fmls.push_back(m.mk_forall(arity, sorts.c_ptr(), names.c_ptr(), body));
}
if (m_first_idx[e.m_f] == i) {
m_first_idx.remove(e.m_f);
}
m_add_entries.pop_back();
}
fml = mk_and(fmls);
}