mirrors/z3
3
0
Fork 0
mirror of https://github.com/Z3Prover/z3 synced 2025-04-29 11:55:51 +00:00
Code Activity

intblast debugging

Browse source
This commit is contained in:
Nikolaj Bjorner 2023-12-11 10:00:11 -08:00
parent 380508365c
commit fbecbd7d70
7 changed files with 88 additions and 15 deletions
Download patch file Download diff file Expand all files Collapse all files

42
src/sat/smt/polysat_model.cpp
View file

@ -18,11 +18,34 @@ Author:
#include "params/bv_rewriter_params.hpp"
#include "sat/smt/polysat_solver.h"
#include "sat/smt/euf_solver.h"
#include "ast/rewriter/bv_rewriter.h"
namespace polysat {
void solver::add_value(euf::enode* n, model& mdl, expr_ref_vector& values) {
if (m_use_intblast_model) {
expr_ref value(m);
if (n->interpreted())
value = n->get_expr();
else if (to_app(n->get_expr())->get_family_id() == bv.get_family_id()) {
bv_rewriter rw(m);
expr_ref_vector args(m);
for (auto arg : euf::enode_args(n))
args.push_back(values.get(arg->get_root_id()));
rw.mk_app(n->get_decl(), args.size(), args.data(), value);
VERIFY(value);
}
else {
rational r = m_intblast.get_value(n->get_expr());
verbose_stream() << ctx.bpp(n) << " := " << r << "\n";
value = bv.mk_numeral(r, get_bv_size(n));
}
values.set(n->get_root_id(), value);
TRACE("model", tout << "add_value " << ctx.bpp(n) << " := " << value << "\n");
return;
}
#if 0
auto p = expr2pdd(n->get_expr());
rational val;
@ -31,9 +54,24 @@ namespace polysat {
#endif
}
bool solver::add_dep(euf::enode* n, top_sort<euf::enode>& dep) {
if (!is_app(n->get_expr()))
return false;
app* e = to_app(n->get_expr());
if (n->num_args() == 0) {
dep.insert(n, nullptr);
return true;
}
if (e->get_family_id() != bv.get_family_id())
return false;
for (euf::enode* arg : euf::enode_args(n))
dep.add(n, arg->get_root());
return true;
}
bool solver::check_model(sat::model const& m) const {
return false;
return true;
}
void solver::finalize_model(model& mdl) {
@ -53,6 +91,8 @@ namespace polysat {
for (unsigned v = 0; v < get_num_vars(); ++v)
if (m_var2pdd_valid.get(v, false))
out << ctx.bpp(var2enode(v)) << " := " << m_var2pdd[v] << "\n";
if (m_use_intblast_model)
m_intblast.display(out);
return out;
}
}