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checkpoint

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Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
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Leonardo de Moura 2012-10-21 13:32:12 -07:00
parent 4722fdfca5
commit add684d8e9
377 changed files with 204 additions and 62 deletions
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128
lib/dl_bmc_engine.h
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/*++
Copyright (c) 2012 Microsoft Corporation
Module Name:
dl_bmc_engine.h
Abstract:
BMC engine for fixedpoint solver.
Author:
Nikolaj Bjorner (nbjorner) 2012-9-20
Revision History:
--*/
#ifndef _DL_BMC_ENGINE_H_
#define _DL_BMC_ENGINE_H_
#include "params.h"
#include "statistics.h"
#include "smt_solver.h"
namespace datalog {
class context;
class bmc {
context& m_ctx;
ast_manager& m;
front_end_params m_fparams;
smt::solver m_solver;
obj_map<func_decl, sort*> m_pred2sort;
obj_map<sort, func_decl*> m_sort2pred;
obj_map<func_decl, func_decl*> m_pred2newpred;
obj_map<func_decl, ptr_vector<func_decl> > m_pred2args;
ast_ref_vector m_pinned;
rule_set m_rules;
func_decl_ref m_query_pred;
expr_ref m_answer;
volatile bool m_cancel;
proof_converter_ref m_pc;
sort_ref m_path_sort;
lbool check_query();
proof_ref get_proof(model_ref& md, app* trace, app* path);
void checkpoint();
void declare_datatypes();
void compile_nonlinear();
void mk_rule_vars_nonlinear(rule& r, unsigned rule_id, expr* trace_arg, expr* path_arg, expr_ref_vector& sub);
expr_ref mk_var_nonlinear(func_decl* pred, sort* s, unsigned idx, expr* path_arg, expr* trace_arg);
expr_ref mk_arg_nonlinear(func_decl* pred, unsigned idx, expr* path_arg, expr* trace_arg);
void mk_subst(rule& r, expr* path, app* trace, expr_ref_vector& sub);
bool is_linear() const;
lbool check_nonlinear();
bool check_model_nonlinear(model_ref& md, expr* trace);
void mk_answer_nonlinear(model_ref& md, expr_ref& trace, expr_ref& path);
func_decl_ref mk_predicate(func_decl* p);
func_decl_ref mk_rule(func_decl* p, unsigned rule_idx);
// linear check
lbool check_linear();
lbool check_linear(unsigned level);
void compile_linear();
void compile_linear(unsigned level);
void compile_linear(rule& r, unsigned level);
expr_ref mk_level_predicate(symbol const& name, unsigned level);
expr_ref mk_level_predicate(func_decl* p, unsigned level);
expr_ref mk_level_arg(func_decl* pred, unsigned idx, unsigned level);
expr_ref mk_level_rule(func_decl* p, unsigned rule_idx, unsigned level);
expr_ref mk_level_var(func_decl* pred, sort* s, unsigned rule_id, unsigned idx, unsigned level);
void get_model_linear(unsigned level);
void assert_expr(expr* e);
void mk_rule_vars(rule& r, unsigned level, unsigned rule_id, expr_ref_vector& sub);
public:
bmc(context& ctx);
~bmc();
lbool query(expr* query);
void cancel();
void cleanup();
void display_certificate(std::ostream& out) const;
void collect_statistics(statistics& st) const;
expr_ref get_answer();
};
};
#endif