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merge with master

Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
This commit is contained in:
Nikolaj Bjorner 2018-03-25 14:57:01 -07:00
commit c513f3ca09
883 changed files with 13979 additions and 16480 deletions

View file

@ -53,6 +53,12 @@ Revision History:
#pragma warning(disable : 4355)
#endif
#ifdef _MSC_VER
# define Z3_NORETURN __declspec(noreturn)
#else
# define Z3_NORETURN [[noreturn]]
#endif
class ast;
class ast_manager;
@ -126,7 +132,7 @@ public:
case PARAM_INT: m_int = other.get_int(); break;
case PARAM_AST: m_ast = other.get_ast(); break;
case PARAM_SYMBOL: m_symbol = other.m_symbol; break;
case PARAM_RATIONAL: m_rational = 0; std::swap(m_rational, other.m_rational); break;
case PARAM_RATIONAL: m_rational = nullptr; std::swap(m_rational, other.m_rational); break;
case PARAM_DOUBLE: m_dval = other.m_dval; break;
case PARAM_EXTERNAL: m_ext_id = other.m_ext_id; break;
default:
@ -252,7 +258,7 @@ class decl_info {
public:
bool m_private_parameters;
decl_info(family_id family_id = null_family_id, decl_kind k = null_decl_kind,
unsigned num_parameters = 0, parameter const * parameters = 0, bool private_params = false);
unsigned num_parameters = 0, parameter const * parameters = nullptr, bool private_params = false);
decl_info(decl_info const& other);
~decl_info() {}
@ -330,23 +336,23 @@ std::ostream& operator<<(std::ostream& out, sort_size const & ss);
// -----------------------------------
/**
\brief Extra information that may be attached to intepreted sorts.
\brief Extra information that may be attached to interpreted sorts.
*/
class sort_info : public decl_info {
sort_size m_num_elements;
public:
sort_info(family_id family_id = null_family_id, decl_kind k = null_decl_kind,
unsigned num_parameters = 0, parameter const * parameters = 0, bool private_parameters = false):
unsigned num_parameters = 0, parameter const * parameters = nullptr, bool private_parameters = false):
decl_info(family_id, k, num_parameters, parameters, private_parameters) {
}
sort_info(family_id family_id, decl_kind k, uint64 num_elements,
unsigned num_parameters = 0, parameter const * parameters = 0, bool private_parameters = false):
unsigned num_parameters = 0, parameter const * parameters = nullptr, bool private_parameters = false):
decl_info(family_id, k, num_parameters, parameters, private_parameters), m_num_elements(num_elements) {
}
sort_info(family_id family_id, decl_kind k, sort_size const& num_elements,
unsigned num_parameters = 0, parameter const * parameters = 0, bool private_parameters = false):
unsigned num_parameters = 0, parameter const * parameters = nullptr, bool private_parameters = false):
decl_info(family_id, k, num_parameters, parameters, private_parameters), m_num_elements(num_elements) {
}
sort_info(sort_info const& other) : decl_info(other), m_num_elements(other.m_num_elements) {
@ -384,7 +390,7 @@ struct func_decl_info : public decl_info {
bool m_idempotent:1;
bool m_skolem:1;
func_decl_info(family_id family_id = null_family_id, decl_kind k = null_decl_kind, unsigned num_parameters = 0, parameter const * parameters = 0);
func_decl_info(family_id family_id = null_family_id, decl_kind k = null_decl_kind, unsigned num_parameters = 0, parameter const * parameters = nullptr);
~func_decl_info() {}
bool is_associative() const { return m_left_assoc && m_right_assoc; }
@ -559,12 +565,12 @@ public:
unsigned get_decl_id() const { SASSERT(get_id() >= c_first_decl_id); return get_id() - c_first_decl_id; }
symbol const & get_name() const { return m_name; }
decl_info * get_info() const { return m_info; }
family_id get_family_id() const { return m_info == 0 ? null_family_id : m_info->get_family_id(); }
decl_kind get_decl_kind() const { return m_info == 0 ? null_decl_kind : m_info->get_decl_kind(); }
unsigned get_num_parameters() const { return m_info == 0 ? 0 : m_info->get_num_parameters(); }
family_id get_family_id() const { return m_info == nullptr ? null_family_id : m_info->get_family_id(); }
decl_kind get_decl_kind() const { return m_info == nullptr ? null_decl_kind : m_info->get_decl_kind(); }
unsigned get_num_parameters() const { return m_info == nullptr ? 0 : m_info->get_num_parameters(); }
parameter const & get_parameter(unsigned idx) const { return m_info->get_parameter(idx); }
parameter const * get_parameters() const { return m_info == 0 ? 0 : m_info->get_parameters(); }
bool private_parameters() const { return m_info != 0 && m_info->private_parameters(); }
parameter const * get_parameters() const { return m_info == nullptr ? nullptr : m_info->get_parameters(); }
bool private_parameters() const { return m_info != nullptr && m_info->private_parameters(); }
};
// -----------------------------------
@ -581,8 +587,8 @@ class sort : public decl {
sort(symbol const & name, sort_info * info):decl(AST_SORT, name, info) {}
public:
sort_info * get_info() const { return static_cast<sort_info*>(m_info); }
bool is_infinite() const { return get_info() == 0 || get_info()->is_infinite(); }
bool is_very_big() const { return get_info() == 0 || get_info()->is_very_big(); }
bool is_infinite() const { return get_info() == nullptr || get_info()->is_infinite(); }
bool is_very_big() const { return get_info() == nullptr || get_info()->is_very_big(); }
bool is_sort_of(family_id fid, decl_kind k) const { return get_family_id() == fid && get_decl_kind() == k; }
sort_size const & get_num_elements() const { return get_info()->get_num_elements(); }
void set_num_elements(sort_size const& s) { get_info()->set_num_elements(s); }
@ -607,16 +613,16 @@ class func_decl : public decl {
func_decl(symbol const & name, unsigned arity, sort * const * domain, sort * range, func_decl_info * info);
public:
func_decl_info * get_info() const { return static_cast<func_decl_info*>(m_info); }
bool is_associative() const { return get_info() != 0 && get_info()->is_associative(); }
bool is_left_associative() const { return get_info() != 0 && get_info()->is_left_associative(); }
bool is_right_associative() const { return get_info() != 0 && get_info()->is_right_associative(); }
bool is_flat_associative() const { return get_info() != 0 && get_info()->is_flat_associative(); }
bool is_commutative() const { return get_info() != 0 && get_info()->is_commutative(); }
bool is_chainable() const { return get_info() != 0 && get_info()->is_chainable(); }
bool is_pairwise() const { return get_info() != 0 && get_info()->is_pairwise(); }
bool is_injective() const { return get_info() != 0 && get_info()->is_injective(); }
bool is_skolem() const { return get_info() != 0 && get_info()->is_skolem(); }
bool is_idempotent() const { return get_info() != 0 && get_info()->is_idempotent(); }
bool is_associative() const { return get_info() != nullptr && get_info()->is_associative(); }
bool is_left_associative() const { return get_info() != nullptr && get_info()->is_left_associative(); }
bool is_right_associative() const { return get_info() != nullptr && get_info()->is_right_associative(); }
bool is_flat_associative() const { return get_info() != nullptr && get_info()->is_flat_associative(); }
bool is_commutative() const { return get_info() != nullptr && get_info()->is_commutative(); }
bool is_chainable() const { return get_info() != nullptr && get_info()->is_chainable(); }
bool is_pairwise() const { return get_info() != nullptr && get_info()->is_pairwise(); }
bool is_injective() const { return get_info() != nullptr && get_info()->is_injective(); }
bool is_skolem() const { return get_info() != nullptr && get_info()->is_skolem(); }
bool is_idempotent() const { return get_info() != nullptr && get_info()->is_idempotent(); }
unsigned get_arity() const { return m_arity; }
sort * get_domain(unsigned idx) const { SASSERT(idx < get_arity()); return m_domain[idx]; }
sort * const * get_domain() const { return m_domain; }
@ -935,7 +941,7 @@ struct builtin_name {
};
/**
\brief Each family of intepreted function declarations and sorts must provide a plugin
\brief Each family of interpreted function declarations and sorts must provide a plugin
to build sorts and decls of the family.
*/
class decl_plugin {
@ -954,7 +960,7 @@ protected:
friend class ast_manager;
public:
decl_plugin():m_manager(0), m_family_id(null_family_id) {}
decl_plugin():m_manager(nullptr), m_family_id(null_family_id) {}
virtual ~decl_plugin() {}
virtual void finalize() {}
@ -1010,7 +1016,7 @@ public:
virtual void get_sort_names(svector<builtin_name> & sort_names, symbol const & logic = symbol()) {}
virtual expr * get_some_value(sort * s) { return 0; }
virtual expr * get_some_value(sort * s) { return nullptr; }
// Return true if the interpreted sort s does not depend on uninterpreted sorts.
// This may be the case, for example, for array and datatype sorts.
@ -1039,11 +1045,11 @@ enum basic_op_kind {
PR_UNDEF, PR_TRUE, PR_ASSERTED, PR_GOAL, PR_MODUS_PONENS, PR_REFLEXIVITY, PR_SYMMETRY, PR_TRANSITIVITY, PR_TRANSITIVITY_STAR, PR_MONOTONICITY, PR_QUANT_INTRO,
PR_DISTRIBUTIVITY, PR_AND_ELIM, PR_NOT_OR_ELIM, PR_REWRITE, PR_REWRITE_STAR, PR_PULL_QUANT,
PR_PULL_QUANT_STAR, PR_PUSH_QUANT, PR_ELIM_UNUSED_VARS, PR_DER, PR_QUANT_INST,
PR_PUSH_QUANT, PR_ELIM_UNUSED_VARS, PR_DER, PR_QUANT_INST,
PR_HYPOTHESIS, PR_LEMMA, PR_UNIT_RESOLUTION, PR_IFF_TRUE, PR_IFF_FALSE, PR_COMMUTATIVITY, PR_DEF_AXIOM,
PR_DEF_INTRO, PR_APPLY_DEF, PR_IFF_OEQ, PR_NNF_POS, PR_NNF_NEG, PR_NNF_STAR, PR_SKOLEMIZE, PR_CNF_STAR,
PR_DEF_INTRO, PR_APPLY_DEF, PR_IFF_OEQ, PR_NNF_POS, PR_NNF_NEG, PR_SKOLEMIZE,
PR_MODUS_PONENS_OEQ, PR_TH_LEMMA, PR_HYPER_RESOLVE, LAST_BASIC_PR
};
@ -1062,7 +1068,7 @@ protected:
ptr_vector<func_decl> m_eq_decls; // cached eqs
ptr_vector<func_decl> m_ite_decls; // cached ites
ptr_vector<func_decl> m_oeq_decls; // cached obsevational eqs
ptr_vector<func_decl> m_oeq_decls; // cached observational eqs
sort * m_proof_sort;
func_decl * m_undef_decl;
func_decl * m_true_pr_decl;
@ -1077,7 +1083,6 @@ protected:
func_decl * m_not_or_elim_decl;
func_decl * m_rewrite_decl;
func_decl * m_pull_quant_decl;
func_decl * m_pull_quant_star_decl;
func_decl * m_push_quant_decl;
func_decl * m_elim_unused_vars_decl;
func_decl * m_der_decl;
@ -1103,8 +1108,6 @@ protected:
ptr_vector<func_decl> m_apply_def_decls;
ptr_vector<func_decl> m_nnf_pos_decls;
ptr_vector<func_decl> m_nnf_neg_decls;
ptr_vector<func_decl> m_nnf_star_decls;
ptr_vector<func_decl> m_cnf_star_decls;
ptr_vector<func_decl> m_th_lemma_decls;
func_decl * m_hyper_res_decl0;
@ -1126,7 +1129,7 @@ protected:
unsigned num_parameters, parameter const* params, unsigned num_parents);
virtual void set_manager(ast_manager * m, family_id id);
void set_manager(ast_manager * m, family_id id) override;
func_decl * mk_eq_decl_core(char const * name, decl_kind k, sort * s, ptr_vector<func_decl> & cache);
func_decl * mk_ite_decl(sort * s);
sort* join(sort* s1, sort* s2);
@ -1135,36 +1138,36 @@ protected:
public:
basic_decl_plugin();
virtual ~basic_decl_plugin() {}
virtual void finalize();
~basic_decl_plugin() override {}
void finalize() override;
virtual decl_plugin * mk_fresh() {
decl_plugin * mk_fresh() override {
return alloc(basic_decl_plugin);
}
virtual sort * mk_sort(decl_kind k, unsigned num_parameters, parameter const* parameters);
sort * mk_sort(decl_kind k, unsigned num_parameters, parameter const* parameters) override;
virtual func_decl * mk_func_decl(decl_kind k, unsigned num_parameters, parameter const * parameters,
unsigned arity, sort * const * domain, sort * range);
func_decl * mk_func_decl(decl_kind k, unsigned num_parameters, parameter const * parameters,
unsigned arity, sort * const * domain, sort * range) override;
virtual func_decl * mk_func_decl(decl_kind k, unsigned num_parameters, parameter const * parameters,
unsigned num_args, expr * const * args, sort * range);
func_decl * mk_func_decl(decl_kind k, unsigned num_parameters, parameter const * parameters,
unsigned num_args, expr * const * args, sort * range) override;
virtual void get_op_names(svector<builtin_name> & op_names, symbol const & logic);
void get_op_names(svector<builtin_name> & op_names, symbol const & logic) override;
virtual void get_sort_names(svector<builtin_name> & sort_names, symbol const & logic);
void get_sort_names(svector<builtin_name> & sort_names, symbol const & logic) override;
virtual bool is_value(app* a) const;
bool is_value(app* a) const override;
virtual bool is_unique_value(app* a) const;
bool is_unique_value(app* a) const override;
sort * mk_bool_sort() const { return m_bool_sort; }
sort * mk_proof_sort() const { return m_proof_sort; }
virtual expr * get_some_value(sort * s);
expr * get_some_value(sort * s) override;
};
typedef app proof; /* a proof is just an applicaton */
typedef app proof; /* a proof is just an application */
// -----------------------------------
//
@ -1185,15 +1188,15 @@ class label_decl_plugin : public decl_plugin {
symbol m_lblneg;
symbol m_lbllit;
virtual void set_manager(ast_manager * m, family_id id);
void set_manager(ast_manager * m, family_id id) override;
public:
label_decl_plugin();
virtual ~label_decl_plugin();
~label_decl_plugin() override;
virtual decl_plugin * mk_fresh() { return alloc(label_decl_plugin); }
decl_plugin * mk_fresh() override { return alloc(label_decl_plugin); }
virtual sort * mk_sort(decl_kind k, unsigned num_parameters, parameter const * parameters);
sort * mk_sort(decl_kind k, unsigned num_parameters, parameter const * parameters) override;
/**
contract: when label
@ -1207,8 +1210,8 @@ public:
...
parameter[n-1] (symbol): label's tag.
*/
virtual func_decl * mk_func_decl(decl_kind k, unsigned num_parameters, parameter const * parameters,
unsigned arity, sort * const * domain, sort * range);
func_decl * mk_func_decl(decl_kind k, unsigned num_parameters, parameter const * parameters,
unsigned arity, sort * const * domain, sort * range) override;
};
// -----------------------------------
@ -1223,16 +1226,16 @@ enum pattern_op_kind {
/**
\brief Patterns are used to group expressions. These expressions are using during E-matching for
heurisitic quantifier instantiation.
heuristic quantifier instantiation.
*/
class pattern_decl_plugin : public decl_plugin {
public:
virtual decl_plugin * mk_fresh() { return alloc(pattern_decl_plugin); }
decl_plugin * mk_fresh() override { return alloc(pattern_decl_plugin); }
virtual sort * mk_sort(decl_kind k, unsigned num_parameters, parameter const * parameters);
sort * mk_sort(decl_kind k, unsigned num_parameters, parameter const * parameters) override;
virtual func_decl * mk_func_decl(decl_kind k, unsigned num_parameters, parameter const * parameters,
unsigned arity, sort * const * domain, sort * range);
func_decl * mk_func_decl(decl_kind k, unsigned num_parameters, parameter const * parameters,
unsigned arity, sort * const * domain, sort * range) override;
};
// -----------------------------------
@ -1248,33 +1251,33 @@ enum model_value_op_kind {
/**
\brief Values are used during model construction. All values are
assumed to be different. Users should not use them, since they may
introduce unsoundess if the sort of a value is finite.
introduce unsoundness if the sort of a value is finite.
Moreover, values should never be internalized in a logical context.
However, values can be used during evaluation (i.e., simplification).
\remark Model values can be viewed as the partion ids in Z3 1.x.
\remark Model values can be viewed as the partition ids in Z3 1.x.
*/
class model_value_decl_plugin : public decl_plugin {
public:
model_value_decl_plugin() {}
virtual decl_plugin * mk_fresh() { return alloc(model_value_decl_plugin); }
decl_plugin * mk_fresh() override { return alloc(model_value_decl_plugin); }
virtual sort * mk_sort(decl_kind k, unsigned num_parameters, parameter const * parameters);
sort * mk_sort(decl_kind k, unsigned num_parameters, parameter const * parameters) override;
/**
contract:
parameter[0]: (integer) value idx
parameter[1]: (ast) sort of the value.
*/
virtual func_decl * mk_func_decl(decl_kind k, unsigned num_parameters, parameter const * parameters,
unsigned arity, sort * const * domain, sort * range);
func_decl * mk_func_decl(decl_kind k, unsigned num_parameters, parameter const * parameters,
unsigned arity, sort * const * domain, sort * range) override;
virtual bool is_value(app* n) const;
bool is_value(app* n) const override;
virtual bool is_unique_value(app* a) const;
bool is_unique_value(app* a) const override;
};
// -----------------------------------
@ -1289,11 +1292,11 @@ class user_sort_plugin : public decl_plugin {
public:
user_sort_plugin() {}
virtual sort * mk_sort(decl_kind k, unsigned num_parameters, parameter const * parameters);
virtual func_decl * mk_func_decl(decl_kind k, unsigned num_parameters, parameter const * parameters,
unsigned arity, sort * const * domain, sort * range);
sort * mk_sort(decl_kind k, unsigned num_parameters, parameter const * parameters) override;
func_decl * mk_func_decl(decl_kind k, unsigned num_parameters, parameter const * parameters,
unsigned arity, sort * const * domain, sort * range) override;
decl_kind register_name(symbol s);
virtual decl_plugin * mk_fresh();
decl_plugin * mk_fresh() override;
};
@ -1496,14 +1499,14 @@ protected:
public:
ast_manager(proof_gen_mode = PGM_DISABLED, char const * trace_file = 0, bool is_format_manager = false);
ast_manager(proof_gen_mode = PGM_DISABLED, char const * trace_file = nullptr, bool is_format_manager = false);
ast_manager(proof_gen_mode, std::fstream * trace_stream, bool is_format_manager = false);
ast_manager(ast_manager const & src, bool disable_proofs = false);
~ast_manager();
// propagate cancellation signal to decl_plugins
bool has_trace_stream() const { return m_trace_stream != 0; }
bool has_trace_stream() const { return m_trace_stream != nullptr; }
std::ostream & trace_stream() { SASSERT(has_trace_stream()); return *m_trace_stream; }
void enable_int_real_coercions(bool f) { m_int_real_coercions = f; }
@ -1520,9 +1523,9 @@ public:
void compress_ids();
// Equivalent to throw ast_exception(msg)
void raise_exception(char const * msg);
Z3_NORETURN void raise_exception(char const * msg);
bool is_format_manager() const { return m_format_manager == 0; }
bool is_format_manager() const { return m_format_manager == nullptr; }
ast_manager & get_format_manager() { return is_format_manager() ? *this : *m_format_manager; }
@ -1557,7 +1560,7 @@ public:
decl_plugin * get_plugin(family_id fid) const;
bool has_plugin(family_id fid) const { return get_plugin(fid) != 0; }
bool has_plugin(family_id fid) const { return get_plugin(fid) != nullptr; }
bool has_plugin(symbol const & s) const { return m_family_manager.has_family(s) && has_plugin(m_family_manager.get_family_id(s)); }
@ -1669,7 +1672,7 @@ private:
public:
sort * mk_uninterpreted_sort(symbol const & name, unsigned num_parameters, parameter const * parameters);
sort * mk_uninterpreted_sort(symbol const & name) { return mk_uninterpreted_sort(name, 0, 0); }
sort * mk_uninterpreted_sort(symbol const & name) { return mk_uninterpreted_sort(name, 0, nullptr); }
sort * mk_sort(symbol const & name, sort_info const & info) {
if (info.get_family_id() == null_family_id) {
@ -1680,7 +1683,7 @@ public:
}
}
sort * mk_sort(family_id fid, decl_kind k, unsigned num_parameters = 0, parameter const * parameters = 0);
sort * mk_sort(family_id fid, decl_kind k, unsigned num_parameters = 0, parameter const * parameters = nullptr);
sort * substitute(sort* s, unsigned n, sort * const * src, sort * const * dst);
@ -1699,13 +1702,13 @@ public:
bool is_fully_interp(sort * s) const;
func_decl * mk_func_decl(family_id fid, decl_kind k, unsigned num_parameters, parameter const * parameters,
unsigned arity, sort * const * domain, sort * range = 0);
unsigned arity, sort * const * domain, sort * range = nullptr);
func_decl * mk_func_decl(family_id fid, decl_kind k, unsigned num_parameters, parameter const * parameters,
unsigned num_args, expr * const * args, sort * range = 0);
unsigned num_args, expr * const * args, sort * range = nullptr);
app * mk_app(family_id fid, decl_kind k, unsigned num_parameters = 0, parameter const * parameters = 0,
unsigned num_args = 0, expr * const * args = 0, sort * range = 0);
app * mk_app(family_id fid, decl_kind k, unsigned num_parameters = 0, parameter const * parameters = nullptr,
unsigned num_args = 0, expr * const * args = nullptr, sort * range = nullptr);
app * mk_app(family_id fid, decl_kind k, unsigned num_args, expr * const * args);
@ -1715,7 +1718,7 @@ public:
app * mk_app(family_id fid, decl_kind k, expr * arg1, expr * arg2, expr * arg3);
app * mk_const(family_id fid, decl_kind k) { return mk_app(fid, k, 0, static_cast<expr * const *>(0)); }
app * mk_const(family_id fid, decl_kind k) { return mk_app(fid, k, 0, static_cast<expr * const *>(nullptr)); }
private:
func_decl * mk_func_decl(symbol const & name, unsigned arity, sort * const * domain, sort * range,
func_decl_info * info);
@ -1726,13 +1729,13 @@ private:
public:
func_decl * mk_func_decl(symbol const & name, unsigned arity, sort * const * domain, sort * range) {
return mk_func_decl(name, arity, domain, range, static_cast<func_decl_info *>(0));
return mk_func_decl(name, arity, domain, range, static_cast<func_decl_info *>(nullptr));
}
func_decl * mk_func_decl(symbol const & name, unsigned arity, sort * const * domain, sort * range,
func_decl_info const & info) {
if (info.is_null()) {
return mk_func_decl(name, arity, domain, range, static_cast<func_decl_info *>(0));
return mk_func_decl(name, arity, domain, range, static_cast<func_decl_info *>(nullptr));
}
else {
return mk_func_decl(name, arity, domain, range, & const_cast<func_decl_info&>(info));
@ -1745,11 +1748,11 @@ public:
}
func_decl * mk_const_decl(symbol const & name, sort * s) {
return mk_func_decl(name, static_cast<unsigned>(0), 0, s);
return mk_func_decl(name, static_cast<unsigned>(0), nullptr, s);
}
func_decl * mk_const_decl(symbol const & name, sort * s, func_decl_info const & info) {
return mk_func_decl(name, static_cast<unsigned>(0), 0, s, info);
return mk_func_decl(name, static_cast<unsigned>(0), nullptr, s, info);
}
func_decl * mk_func_decl(symbol const & name, sort * domain, sort * range, func_decl_info const & info) {
@ -1803,7 +1806,7 @@ public:
app * mk_const(func_decl * decl) {
SASSERT(decl->get_arity() == 0);
return mk_app(decl, static_cast<unsigned>(0), static_cast<expr**>(0));
return mk_app(decl, static_cast<unsigned>(0), static_cast<expr**>(nullptr));
}
app * mk_const(symbol const & name, sort * s) {
@ -1824,9 +1827,9 @@ public:
return mk_fresh_func_decl(symbol(prefix), symbol::null, arity, domain, range);
}
app * mk_fresh_const(char const * prefix, sort * s) { return mk_const(mk_fresh_func_decl(prefix, 0, 0, s)); }
app * mk_fresh_const(char const * prefix, sort * s) { return mk_const(mk_fresh_func_decl(prefix, 0, nullptr, s)); }
symbol mk_fresh_var_name(char const * prefix = 0);
symbol mk_fresh_var_name(char const * prefix = nullptr);
var * mk_var(unsigned idx, sort * ty);
@ -1878,21 +1881,21 @@ public:
quantifier * mk_quantifier(bool forall, unsigned num_decls, sort * const * decl_sorts, symbol const * decl_names, expr * body,
int weight = 0, symbol const & qid = symbol::null, symbol const & skid = symbol::null,
unsigned num_patterns = 0, expr * const * patterns = 0,
unsigned num_no_patterns = 0, expr * const * no_patterns = 0);
unsigned num_patterns = 0, expr * const * patterns = nullptr,
unsigned num_no_patterns = 0, expr * const * no_patterns = nullptr);
quantifier * mk_forall(unsigned num_decls, sort * const * decl_sorts, symbol const * decl_names, expr * body,
int weight = 0, symbol const & qid = symbol::null, symbol const & skid = symbol::null,
unsigned num_patterns = 0, expr * const * patterns = 0,
unsigned num_no_patterns = 0, expr * const * no_patterns = 0) {
unsigned num_patterns = 0, expr * const * patterns = nullptr,
unsigned num_no_patterns = 0, expr * const * no_patterns = nullptr) {
return mk_quantifier(true, num_decls, decl_sorts, decl_names, body, weight, qid, skid, num_patterns, patterns,
num_no_patterns, no_patterns);
}
quantifier * mk_exists(unsigned num_decls, sort * const * decl_sorts, symbol const * decl_names, expr * body,
int weight = 0, symbol const & qid = symbol::null, symbol const & skid = symbol::null,
unsigned num_patterns = 0, expr * const * patterns = 0,
unsigned num_no_patterns = 0, expr * const * no_patterns = 0) {
unsigned num_patterns = 0, expr * const * patterns = nullptr,
unsigned num_no_patterns = 0, expr * const * no_patterns = nullptr) {
return mk_quantifier(false, num_decls, decl_sorts, decl_names, body, weight, qid, skid, num_patterns, patterns,
num_no_patterns, no_patterns);
}
@ -2056,12 +2059,12 @@ public:
func_decl* mk_and_decl() {
sort* domain[2] = { m_bool_sort, m_bool_sort };
return mk_func_decl(m_basic_family_id, OP_AND, 0, 0, 2, domain);
return mk_func_decl(m_basic_family_id, OP_AND, 0, nullptr, 2, domain);
}
func_decl* mk_not_decl() { return mk_func_decl(m_basic_family_id, OP_NOT, 0, 0, 1, &m_bool_sort); }
func_decl* mk_not_decl() { return mk_func_decl(m_basic_family_id, OP_NOT, 0, nullptr, 1, &m_bool_sort); }
func_decl* mk_or_decl() {
sort* domain[2] = { m_bool_sort, m_bool_sort };
return mk_func_decl(m_basic_family_id, OP_OR, 0, 0, 2, domain);
return mk_func_decl(m_basic_family_id, OP_OR, 0, nullptr, 2, domain);
}
// -----------------------------------
@ -2181,7 +2184,6 @@ public:
proof * mk_oeq_rewrite(expr * s, expr * t);
proof * mk_rewrite_star(expr * s, expr * t, unsigned num_proofs, proof * const * proofs);
proof * mk_pull_quant(expr * e, quantifier * q);
proof * mk_pull_quant_star(expr * e, quantifier * q);
proof * mk_push_quant(quantifier * q, expr * e);
proof * mk_elim_unused_vars(quantifier * q, expr * r);
proof * mk_der(quantifier * q, expr * r);
@ -2200,16 +2202,15 @@ public:
proof * mk_nnf_pos(expr * s, expr * t, unsigned num_proofs, proof * const * proofs);
proof * mk_nnf_neg(expr * s, expr * t, unsigned num_proofs, proof * const * proofs);
proof * mk_nnf_star(expr * s, expr * t, unsigned num_proofs, proof * const * proofs);
proof * mk_skolemization(expr * q, expr * e);
proof * mk_cnf_star(expr * s, expr * t, unsigned num_proofs, proof * const * proofs);
proof * mk_and_elim(proof * p, unsigned i);
proof * mk_not_or_elim(proof * p, unsigned i);
proof * mk_th_lemma(family_id tid,
expr * fact, unsigned num_proofs, proof * const * proofs,
unsigned num_params = 0, parameter const* params = 0);
unsigned num_params = 0, parameter const* params = nullptr);
protected:
bool check_nnf_proof_parents(unsigned num_proofs, proof * const * proofs) const;
@ -2466,9 +2467,9 @@ class scoped_mark : public ast_mark {
unsigned_vector m_lim;
public:
scoped_mark(ast_manager& m): m_stack(m) {}
virtual ~scoped_mark() {}
virtual void mark(ast * n, bool flag);
virtual void reset();
~scoped_mark() override {}
void mark(ast * n, bool flag) override;
void reset() override;
void mark(ast * n);
void push_scope();
void pop_scope();