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integrating int-blaster

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This commit is contained in:
Nikolaj Bjorner 2023-12-10 19:55:25 -08:00
parent d72938ba9a
commit a5491804c7
13 changed files with 209 additions and 69 deletions
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14
src/sat/smt/polysat_solver.cpp
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@ -84,6 +84,8 @@ namespace polysat {
}
}
}
UNREACHABLE();
return sat::check_result::CR_GIVEUP;
}
void solver::asserted(literal l) {
@ -249,11 +251,11 @@ namespace polysat {
return ctx.get_trail_stack();
}
void solver::add_lemma(vector<signed_constraint> const& lemma) {
void solver::add_polysat_clause(char const* name, std::initializer_list<signed_constraint> cs, bool is_redundant) {
sat::literal_vector lits;
for (auto sc : lemma)
for (auto sc : cs)
lits.push_back(ctx.mk_literal(constraint2expr(sc)));
s().add_clause(lits.size(), lits.data(), sat::status::th(true, get_id(), nullptr));
s().add_clause(lits.size(), lits.data(), sat::status::th(is_redundant, get_id(), nullptr));
}
void solver::get_antecedents(literal l, sat::ext_justification_idx idx, literal_vector& r, bool probing) {
@ -271,14 +273,14 @@ namespace polysat {
case ckind_t::umul_ovfl_t: {
auto l = pdd2expr(sc.to_umul_ovfl().p());
auto r = pdd2expr(sc.to_umul_ovfl().q());
return expr_ref(bv.mk_bvumul_ovfl(l, r), m);
return expr_ref(m.mk_not(bv.mk_bvumul_no_ovfl(l, r)), m);
}
case ckind_t::smul_fl_t:
case ckind_t::op_t:
NOT_IMPLEMENTED_YET();
break;
}
throw default_exception("nyi");
throw default_exception("constraint2expr nyi");
}
expr_ref solver::pdd2expr(pdd const& p) {
@ -346,7 +348,7 @@ namespace polysat {
continue;
for (auto sib : euf::enode_class(p)) {
if (bv.is_extract(sib->get_expr(), lo, hi, e) && r == expr2enode(e)->get_root()) {
throw default_exception("nyi");
throw default_exception("get_fixed nyi");
// TODO
// dependency d = dependency(p->get_th_var(get_id()), n->get_th_var(get_id()), s().scope_lvl());
// fixed_bits.push_back({ hi, lo, rational::zero(), null_dependency()});