void operator()(goal_ref const & g, goal_ref_buffer & result, model_converter_ref & mc, proof_converter_ref & pc, expr_dependency_ref & core) { mc = 0; pc = 0; core = 0; if (!is_target(*g)) throw tactic_exception("bv1 blaster cannot be applied to goal"); tactic_report report("bv1-blaster", *g); m_num_steps = 0; bool proofs_enabled = g->proofs_enabled(); expr_ref new_curr(m()); proof_ref new_pr(m()); unsigned size = g->size(); for (unsigned idx = 0; idx < size; idx++) { if (g->inconsistent()) break; expr * curr = g->form(idx); m_rw(curr, new_curr, new_pr); m_num_steps += m_rw.get_num_steps(); if (proofs_enabled) { proof * pr = g->pr(idx); new_pr = m().mk_modus_ponens(pr, new_pr); } g->update(idx, new_curr, new_pr, g->dep(idx)); } if (g->models_enabled()) mc = mk_bv1_blaster_model_converter(m(), m_rw.cfg().m_const2bits); g->inc_depth(); result.push_back(g.get()); m_rw.cfg().cleanup(); }
bool is_target(goal const & g) const { expr_fast_mark1 visited; unsigned sz = g.size(); visitor proc(m_rw.cfg().butil().get_family_id()); try { for (unsigned i = 0; i < sz; i++) { expr * f = g.form(i); for_each_expr_core<visitor, expr_fast_mark1, false, true>(proc, visited, f); } } catch (not_target) { return false; } return true; }
void updt_params(params_ref const & p) { m_rw.cfg().updt_params(p); }