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Z3 sources
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
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Leonardo de Moura
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lib/static_features.h
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169
lib/static_features.h
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/*++
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Copyright (c) 2006 Microsoft Corporation
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Module Name:
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static_features.h
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Abstract:
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<abstract>
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Author:
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Leonardo de Moura (leonardo) 2008-05-16.
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Revision History:
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--*/
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#ifndef _STATIC_FEATURES_H_
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#define _STATIC_FEATURES_H_
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#include"ast.h"
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#include"arith_decl_plugin.h"
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#include"map.h"
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struct static_features {
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ast_manager & m_manager;
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arith_util m_autil;
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family_id m_bfid;
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family_id m_afid;
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family_id m_lfid;
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ast_mark m_already_visited;
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bool m_cnf;
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unsigned m_num_exprs; //
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unsigned m_num_roots; //
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unsigned m_max_depth;
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unsigned m_num_quantifiers; //
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unsigned m_num_quantifiers_with_patterns; //
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unsigned m_num_quantifiers_with_multi_patterns; //
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unsigned m_num_clauses;
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unsigned m_num_bin_clauses; //
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unsigned m_num_units; //
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unsigned m_sum_clause_size;
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unsigned m_num_nested_formulas; //
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unsigned m_num_bool_exprs; //
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unsigned m_num_bool_constants; //
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unsigned m_num_formula_trees;
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unsigned m_max_formula_depth;
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unsigned m_sum_formula_depth;
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unsigned m_num_or_and_trees;
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unsigned m_max_or_and_tree_depth;
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unsigned m_sum_or_and_tree_depth;
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unsigned m_num_ite_trees;
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unsigned m_max_ite_tree_depth;
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unsigned m_sum_ite_tree_depth;
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unsigned m_num_ands; //
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unsigned m_num_ors; // num nested ors
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unsigned m_num_iffs; //
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unsigned m_num_ite_formulas; //
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unsigned m_num_ite_terms; //
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unsigned m_num_sharing;
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unsigned m_num_interpreted_exprs; // doesn't include bool_exprs
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unsigned m_num_uninterpreted_exprs; //
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unsigned m_num_interpreted_constants; // doesn't include bool_consts
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unsigned m_num_uninterpreted_constants; //
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unsigned m_num_uninterpreted_functions; //
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unsigned m_num_eqs; //
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bool m_has_rational; //
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bool m_has_int; //
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bool m_has_real; //
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rational m_arith_k_sum; // sum of the numerals in arith atoms.
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unsigned m_num_arith_terms;
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unsigned m_num_arith_eqs; // equalities of the form t = k where k is a numeral
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unsigned m_num_arith_ineqs;
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unsigned m_num_diff_terms; // <= m_num_arith_terms
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unsigned m_num_diff_eqs; // <= m_num_arith_eqs
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unsigned m_num_diff_ineqs; // <= m_num_arith_ineqs
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unsigned m_num_simple_eqs; // eqs of the form x = k
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unsigned m_num_simple_ineqs; // ineqs of the form x <= k or x >= k
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unsigned m_num_non_linear;
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unsigned_vector m_num_apps; // mapping decl_id -> num_apps;
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unsigned_vector m_num_theory_terms; // mapping family_id -> num_terms
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unsigned_vector m_num_theory_atoms; // mapping family_id -> num_atoms
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unsigned_vector m_num_theory_constants; // mapping family_id -> num_exprs
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unsigned_vector m_num_theory_eqs; // mapping family_id -> num_eqs
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unsigned m_num_aliens; //
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unsigned_vector m_num_aliens_per_family; // mapping family_id -> num_alies exprs
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unsigned_vector m_expr2depth; // expr-id -> depth
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unsigned m_max_stack_depth; // maximal depth of stack we are willing to walk.
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u_map<unsigned> m_expr2or_and_depth;
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u_map<unsigned> m_expr2ite_depth;
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u_map<unsigned> m_expr2formula_depth;
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unsigned m_num_theories;
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svector<bool> m_theories; // mapping family_id -> bool
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symbol m_label_sym;
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symbol m_pattern_sym;
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symbol m_expr_list_sym;
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bool is_marked(ast * e) const { return m_already_visited.is_marked(e); }
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void mark(ast * e) { m_already_visited.mark(e, true); }
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bool is_bool(expr const * e) const { return m_manager.is_bool(e); }
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bool is_basic_expr(expr const * e) const { return is_app(e) && to_app(e)->get_family_id() == m_bfid; }
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bool is_arith_expr(expr const * e) const { return is_app(e) && to_app(e)->get_family_id() == m_afid; }
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bool is_numeral(expr const * e) const { return m_autil.is_numeral(e); }
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bool is_numeral(expr const * e, rational & r) const { return m_autil.is_numeral(e, r); }
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bool is_minus_one(expr const * e) const { rational r; return m_autil.is_numeral(e, r) && r.is_minus_one(); }
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bool is_diff_term(expr const * e, rational & r) const;
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bool is_diff_atom(expr const * e) const;
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bool is_gate(expr const * e) const;
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void mark_theory(family_id fid) {
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if (fid != null_family_id && !m_manager.is_builtin_family_id(fid) && !m_theories.get(fid, false)) {
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m_theories.setx(fid, true, false);
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m_num_theories++;
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}
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}
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void acc_num(rational const & r) {
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if (r.is_neg())
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m_arith_k_sum -= r;
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else
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m_arith_k_sum += r;
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}
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void acc_num(expr const * e) {
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rational r;
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if (is_numeral(e, r)) {
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acc_num(r);
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}
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}
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void inc_num_apps(func_decl const * d) { unsigned id = d->get_decl_id(); m_num_apps.reserve(id+1, 0); m_num_apps[id]++; }
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void inc_theory_terms(family_id fid) { m_num_theory_terms.reserve(fid+1, 0); m_num_theory_terms[fid]++; }
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void inc_theory_atoms(family_id fid) { m_num_theory_atoms.reserve(fid+1, 0); m_num_theory_atoms[fid]++; }
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void inc_theory_constants(family_id fid) { m_num_theory_constants.reserve(fid+1, 0); m_num_theory_constants[fid]++; }
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void inc_theory_eqs(family_id fid) { m_num_theory_eqs.reserve(fid+1, 0); m_num_theory_eqs[fid]++; }
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void inc_num_aliens(family_id fid) { m_num_aliens_per_family.reserve(fid+1, 0); m_num_aliens_per_family[fid]++; }
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void update_core(expr * e);
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void process(expr * e, bool form_ctx, bool or_and_ctx, bool ite_ctx, unsigned stack_depth);
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void process_root(expr * e);
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unsigned get_depth(expr const * e) const { return m_expr2depth.get(e->get_id(), 1); }
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void set_depth(expr const * e, unsigned d) { m_expr2depth.setx(e->get_id(), d, 1); }
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unsigned get_or_and_depth(expr const * e) const { unsigned d = 0; m_expr2or_and_depth.find(e->get_id(), d); return d; }
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void set_or_and_depth(expr const * e, unsigned d) { m_expr2or_and_depth.insert(e->get_id(), d); }
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unsigned get_ite_depth(expr const * e) const { unsigned d = 0; m_expr2ite_depth.find(e->get_id(), d); return d; }
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void set_ite_depth(expr const * e, unsigned d) { m_expr2ite_depth.insert(e->get_id(), d); }
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unsigned get_form_depth(expr const * e) const { unsigned d = 0; m_expr2formula_depth.find(e->get_id(), d); return d; }
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void set_form_depth(expr const * e, unsigned d) { m_expr2formula_depth.insert(e->get_id(), d); }
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static_features(ast_manager & m);
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void reset();
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void flush_cache();
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void collect(unsigned num_formulas, expr * const * formulas);
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void collect(expr * f) { process_root(f); }
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bool internal_family(symbol const & f_name) const;
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void display_family_data(std::ostream & out, char const * prefix, unsigned_vector const & data) const;
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void display_primitive(std::ostream & out) const;
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void display(std::ostream & out) const;
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void get_feature_vector(vector<double> & result);
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bool has_uf() const;
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unsigned num_theories() const;
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unsigned num_non_uf_theories() const;
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};
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#endif /* _STATIC_FEATURES_H_ */
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