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https://github.com/Z3Prover/z3
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Added global model completion for the SMT2 frontend.
This commit is contained in:
Christoph M. Wintersteiger
parent
feac705cb8
commit
1a1c705376
5 changed files with 164 additions and 75 deletions
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@ -8,7 +8,7 @@ Module Name:
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Abstract:
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Ultra-light command context.
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It provides a generic command pluging infrastructure.
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A command context also provides names (aka symbols) to Z3 objects.
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A command context also provides names (aka symbols) to Z3 objects.
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These names are used to reference Z3 objects in commands.
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Author:
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@ -58,6 +58,8 @@ public:
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func_decl * first() const;
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func_decl * find(unsigned arity, sort * const * domain, sort * range) const;
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func_decl * find(ast_manager & m, unsigned num_args, expr * const * args, sort * range) const;
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unsigned get_num_entries() const;
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func_decl * get_entry(unsigned inx);
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};
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struct macro_decl {
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@ -66,18 +68,18 @@ struct macro_decl {
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macro_decl(unsigned arity, sort *const* domain, expr* body):
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m_domain(arity, domain), m_body(body) {}
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void dec_ref(ast_manager& m) { m.dec_ref(m_body); }
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};
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class macro_decls {
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vector<macro_decl>* m_decls;
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public:
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public:
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macro_decls() { m_decls = 0; }
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void finalize(ast_manager& m);
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bool insert(ast_manager& m, unsigned arity, sort *const* domain, expr* body);
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expr* find(unsigned arity, sort *const* domain) const;
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expr* find(unsigned arity, sort *const* domain) const;
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void erase_last(ast_manager& m);
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vector<macro_decl>::iterator begin() const { return m_decls->begin(); }
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vector<macro_decl>::iterator end() const { return m_decls->end(); }
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@ -158,11 +160,11 @@ public:
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enum status {
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UNSAT, SAT, UNKNOWN
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};
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enum check_sat_state {
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css_unsat, css_sat, css_unknown, css_clear
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};
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typedef std::pair<unsigned, expr*> macro;
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struct scoped_watch {
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@ -188,7 +190,7 @@ protected:
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bool m_ignore_check; // used by the API to disable check-sat() commands when parsing SMT 2.0 files.
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bool m_processing_pareto; // used when re-entering check-sat for pareto front.
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bool m_exit_on_error;
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static std::ostringstream g_error_stream;
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ast_manager * m_manager;
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@ -200,7 +202,7 @@ protected:
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check_logic m_check_logic;
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stream_ref m_regular;
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stream_ref m_diagnostic;
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dictionary<cmd*> m_cmds;
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dictionary<cmd*> m_cmds;
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dictionary<builtin_decl> m_builtin_decls;
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scoped_ptr_vector<builtin_decl> m_extra_builtin_decls; // make sure that dynamically allocated builtin_decls are deleted
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dictionary<object_ref*> m_object_refs; // anything that can be named.
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@ -217,7 +219,7 @@ protected:
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svector<symbol> m_macros_stack;
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ptr_vector<pdecl> m_psort_inst_stack;
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//
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//
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ptr_vector<pdecl> m_aux_pdecls;
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ptr_vector<expr> m_assertions;
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std::vector<std::string> m_assertion_strings;
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@ -236,7 +238,7 @@ protected:
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svector<scope> m_scopes;
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scoped_ptr<solver_factory> m_solver_factory;
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scoped_ptr<solver_factory> m_interpolating_solver_factory;
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ref<solver> m_solver;
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ref<solver> m_solver;
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ref<check_sat_result> m_check_sat_result;
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ref<opt_wrapper> m_opt;
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@ -296,7 +298,7 @@ protected:
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bool contains_macro(symbol const& s) const;
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bool contains_macro(symbol const& s, func_decl* f) const;
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bool contains_macro(symbol const& s, unsigned arity, sort *const* domain) const;
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bool contains_macro(symbol const& s, unsigned arity, sort *const* domain) const;
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void insert_macro(symbol const& s, unsigned arity, sort*const* domain, expr* t);
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void erase_macro(symbol const& s);
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bool macros_find(symbol const& s, unsigned n, expr*const* args, expr*& t) const;
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@ -304,7 +306,7 @@ protected:
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public:
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cmd_context(bool main_ctx = true, ast_manager * m = 0, symbol const & l = symbol::null);
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~cmd_context();
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~cmd_context();
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void set_cancel(bool f);
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context_params & params() { return m_params; }
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solver_factory &get_solver_factory() { return *m_solver_factory; }
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@ -354,39 +356,40 @@ public:
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virtual ast_manager & get_ast_manager() { return m(); }
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pdecl_manager & pm() const { if (!m_pmanager) const_cast<cmd_context*>(this)->init_manager(); return *m_pmanager; }
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sexpr_manager & sm() const { if (!m_sexpr_manager) const_cast<cmd_context*>(this)->m_sexpr_manager = alloc(sexpr_manager); return *m_sexpr_manager; }
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void set_solver_factory(solver_factory * s);
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void set_interpolating_solver_factory(solver_factory * s);
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void set_check_sat_result(check_sat_result * r) { m_check_sat_result = r; }
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check_sat_result * get_check_sat_result() const { return m_check_sat_result.get(); }
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check_sat_state cs_state() const;
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void complete_model();
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void validate_model();
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void display_model(model_ref& mdl);
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void register_plugin(symbol const & name, decl_plugin * p, bool install_names);
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void register_plugin(symbol const & name, decl_plugin * p, bool install_names);
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bool is_func_decl(symbol const & s) const;
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bool is_sort_decl(symbol const& s) const { return m_psort_decls.contains(s); }
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void insert(cmd * c);
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void insert(symbol const & s, func_decl * f);
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void insert(symbol const & s, func_decl * f);
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void insert(func_decl * f) { insert(f->get_name(), f); }
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void insert(symbol const & s, psort_decl * p);
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void insert(psort_decl * p) { insert(p->get_name(), p); }
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void insert(symbol const & s, unsigned arity, sort *const* domain, expr * t);
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void insert(symbol const & s, object_ref *);
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void insert(tactic_cmd * c) { tactic_manager::insert(c); }
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void insert(probe_info * p) { tactic_manager::insert(p); }
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void insert_user_tactic(symbol const & s, sexpr * d);
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void insert(probe_info * p) { tactic_manager::insert(p); }
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void insert_user_tactic(symbol const & s, sexpr * d);
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void insert_aux_pdecl(pdecl * p);
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void insert_rec_fun(func_decl* f, expr_ref_vector const& binding, svector<symbol> const& ids, expr* e);
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func_decl * find_func_decl(symbol const & s) const;
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func_decl * find_func_decl(symbol const & s, unsigned num_indices, unsigned const * indices,
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func_decl * find_func_decl(symbol const & s, unsigned num_indices, unsigned const * indices,
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unsigned arity, sort * const * domain, sort * range) const;
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psort_decl * find_psort_decl(symbol const & s) const;
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cmd * find_cmd(symbol const & s) const;
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sexpr * find_user_tactic(symbol const & s) const;
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object_ref * find_object_ref(symbol const & s) const;
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void mk_const(symbol const & s, expr_ref & result) const;
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void mk_app(symbol const & s, unsigned num_args, expr * const * args, unsigned num_indices, parameter const * indices, sort * range,
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void mk_app(symbol const & s, unsigned num_args, expr * const * args, unsigned num_indices, parameter const * indices, sort * range,
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expr_ref & r) const;
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void erase_cmd(symbol const & s);
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void erase_func_decl(symbol const & s);
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@ -401,7 +404,7 @@ public:
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void reset_object_refs();
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void reset_user_tactics();
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void set_regular_stream(char const * name) { m_regular.set(name); }
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void set_diagnostic_stream(char const * name);
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void set_diagnostic_stream(char const * name);
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virtual std::ostream & regular_stream() { return *m_regular; }
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virtual std::ostream & diagnostic_stream() { return *m_diagnostic; }
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char const * get_regular_stream_name() const { return m_regular.name(); }
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@ -429,7 +432,7 @@ public:
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// display the result produced by a check-sat or check-sat-using commands in the regular stream
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void display_sat_result(lbool r);
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// check if result produced by check-sat or check-sat-using matches the known status
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void validate_check_sat_result(lbool r);
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void validate_check_sat_result(lbool r);
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unsigned num_scopes() const { return m_scopes.size(); }
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dictionary<macro_decls> const & get_macros() const { return m_macros; }
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