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https://github.com/Z3Prover/z3
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Revert "Eliminated the dependency of the macro-finder on the simplifier."
This reverts commit 8310b24c52.
This commit is contained in:
Christoph M. Wintersteiger
parent
8310b24c52
commit
799fb4a0d1
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@ -21,9 +21,8 @@ Revision History:
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#include "ast/occurs.h"
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#include "ast/ast_pp.h"
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#include "ast/ast_ll_pp.h"
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#include "ast/rewriter/arith_rewriter.h"
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bool macro_finder::is_macro(expr * n, app_ref & head, expr_ref & def) const {
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bool macro_finder::is_macro(expr * n, app_ref & head, expr_ref & def) {
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if (!is_quantifier(n) || !to_quantifier(n)->is_forall())
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return false;
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TRACE("macro_finder", tout << "processing: " << mk_pp(n, m_manager) << "\n";);
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@ -33,30 +32,30 @@ bool macro_finder::is_macro(expr * n, app_ref & head, expr_ref & def) const {
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}
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/**
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\brief Detect macros of the form
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\brief Detect macros of the form
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1- (forall (X) (= (+ (f X) (R X)) c))
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2- (forall (X) (<= (+ (f X) (R X)) c))
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3- (forall (X) (>= (+ (f X) (R X)) c))
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The second and third cases are first converted into
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(forall (X) (= (f X) (+ c (* -1 (R x)) (k X))))
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and
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and
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(forall (X) (<= (k X) 0)) when case 2
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(forall (X) (>= (k X) 0)) when case 3
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For case 2 & 3, the new quantifiers are stored in new_exprs and new_prs.
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*/
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bool macro_finder::is_arith_macro(expr * n, proof * pr, expr_ref_vector & new_exprs, proof_ref_vector & new_prs) const {
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bool macro_finder::is_arith_macro(expr * n, proof * pr, expr_ref_vector & new_exprs, proof_ref_vector & new_prs) {
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if (!is_quantifier(n) || !to_quantifier(n)->is_forall())
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return false;
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arith_rewriter & arw = m_util.get_arith_rw();
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arith_util & au = m_util.get_arith_util();
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arith_simplifier_plugin * as = get_arith_simp();
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arith_util & autil = as->get_arith_util();
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expr * body = to_quantifier(n)->get_expr();
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unsigned num_decls = to_quantifier(n)->get_num_decls();
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if (!au.is_le(body) && !au.is_ge(body) && !m_manager.is_eq(body))
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if (!autil.is_le(body) && !autil.is_ge(body) && !m_manager.is_eq(body))
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return false;
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if (!au.is_add(to_app(body)->get_arg(0)))
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if (!as->is_add(to_app(body)->get_arg(0)))
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return false;
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app_ref head(m_manager);
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expr_ref def(m_manager);
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@ -64,15 +63,15 @@ bool macro_finder::is_arith_macro(expr * n, proof * pr, expr_ref_vector & new_ex
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if (!m_util.is_arith_macro(body, num_decls, head, def, inv))
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return false;
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app_ref new_body(m_manager);
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if (!inv || m_manager.is_eq(body))
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new_body = m_manager.mk_app(to_app(body)->get_decl(), head, def);
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else if (au.is_le(body))
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new_body = au.mk_ge(head, def);
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else if (as->is_le(body))
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new_body = autil.mk_ge(head, def);
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else
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new_body = au.mk_le(head, def);
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new_body = autil.mk_le(head, def);
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quantifier_ref new_q(m_manager);
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quantifier_ref new_q(m_manager);
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new_q = m_manager.update_quantifier(to_quantifier(n), new_body);
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proof * new_pr = 0;
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if (m_manager.proofs_enabled()) {
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@ -83,16 +82,16 @@ bool macro_finder::is_arith_macro(expr * n, proof * pr, expr_ref_vector & new_ex
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return m_macro_manager.insert(head->get_decl(), new_q, new_pr);
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}
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// is ge or le
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//
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//
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TRACE("macro_finder", tout << "is_arith_macro: is_ge or is_le\n";);
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func_decl * f = head->get_decl();
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func_decl * k = m_manager.mk_fresh_func_decl(f->get_name(), symbol::null, f->get_arity(), f->get_domain(), f->get_range());
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app * k_app = m_manager.mk_app(k, head->get_num_args(), head->get_args());
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expr_ref_buffer new_rhs_args(m_manager);
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expr_ref new_rhs2(m_manager);
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arw.mk_add(def, k_app, new_rhs2);
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as->mk_add(def, k_app, new_rhs2);
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expr * body1 = m_manager.mk_eq(head, new_rhs2);
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expr * body2 = m_manager.mk_app(new_body->get_decl(), k_app, au.mk_numeral(0, m_manager.get_sort(def)));
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expr * body2 = m_manager.mk_app(new_body->get_decl(), k_app, as->mk_numeral(rational(0)));
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quantifier * q1 = m_manager.update_quantifier(new_q, body1);
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expr * patterns[1] = { m_manager.mk_pattern(k_app) };
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quantifier * q2 = m_manager.update_quantifier(new_q, 1, patterns, body2);
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@ -119,7 +118,7 @@ bool macro_finder::is_arith_macro(expr * n, proof * pr, expr_ref_vector & new_ex
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n is of the form: (forall (X) (iff (= (f X) t) def[X]))
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Convert it into:
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(forall (X) (= (f X) (ite def[X] t (k X))))
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(forall (X) (not (= (k X) t)))
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@ -127,13 +126,13 @@ bool macro_finder::is_arith_macro(expr * n, proof * pr, expr_ref_vector & new_ex
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The new quantifiers and proofs are stored in new_exprs and new_prs
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*/
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static void pseudo_predicate_macro2macro(ast_manager & m, app * head, app * t, expr * def, quantifier * q, proof * pr,
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static void pseudo_predicate_macro2macro(ast_manager & m, app * head, app * t, expr * def, quantifier * q, proof * pr,
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expr_ref_vector & new_exprs, proof_ref_vector & new_prs) {
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func_decl * f = head->get_decl();
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func_decl * k = m.mk_fresh_func_decl(f->get_name(), symbol::null, f->get_arity(), f->get_domain(), f->get_range());
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app * k_app = m.mk_app(k, head->get_num_args(), head->get_args());
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app * ite = m.mk_ite(def, t, k_app);
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app * body_1 = m.mk_eq(head, ite);
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app * body_1 = m.mk_eq(head, ite);
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app * body_2 = m.mk_not(m.mk_eq(k_app, t));
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quantifier * q1 = m.update_quantifier(q, body_1);
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expr * pats[1] = { m.mk_pattern(k_app) };
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@ -184,7 +183,7 @@ bool macro_finder::expand_macros(unsigned num, expr * const * exprs, proof * con
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TRACE("macro_finder_found", tout << "found new arith macro:\n" << new_n << "\n";);
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found_new_macro = true;
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}
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else if (m_util.is_pseudo_predicate_macro(new_n, head, t, def)) {
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else if (m_util.is_pseudo_predicate_macro(new_n, head, t, def)) {
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TRACE("macro_finder_found", tout << "found new pseudo macro:\n" << head << "\n" << t << "\n" << def << "\n";);
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pseudo_predicate_macro2macro(m_manager, head, t, def, to_quantifier(new_n), new_pr, new_exprs, new_prs);
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found_new_macro = true;
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@ -20,7 +20,8 @@ Revision History:
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#define MACRO_FINDER_H_
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#include "ast/macros/macro_manager.h"
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#include "ast/macros/macro_util.h"
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#include "ast/simplifier/arith_simplifier_plugin.h"
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bool is_macro_head(expr * n, unsigned num_decls);
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bool is_simple_macro(ast_manager & m, expr * n, unsigned num_decls, obj_hashtable<func_decl> const * forbidden_set, app * & head, expr * & def);
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@ -33,15 +34,16 @@ inline bool is_simple_macro(ast_manager & m, expr * n, unsigned num_decls, app *
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as macros.
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*/
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class macro_finder {
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ast_manager & m_manager;
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ast_manager & m_manager;
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macro_manager & m_macro_manager;
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macro_util & m_util;
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arith_simplifier_plugin * get_arith_simp() { return m_util.get_arith_simp(); }
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bool expand_macros(unsigned num, expr * const * exprs, proof * const * prs, expr_ref_vector & new_exprs, proof_ref_vector & new_prs);
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bool is_arith_macro(expr * n, proof * pr, expr_ref_vector & new_exprs, proof_ref_vector & new_prs) const;
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bool is_macro(expr * n, app_ref & head, expr_ref & def) const;
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bool is_pseudo_head(expr * n, unsigned num_decls, app * & head, app * & t) const;
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bool is_pseudo_predicate_macro(expr * n, app * & head, app * & t, expr * & def) const;
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bool is_arith_macro(expr * n, proof * pr, expr_ref_vector & new_exprs, proof_ref_vector & new_prs);
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bool is_macro(expr * n, app_ref & head, expr_ref & def);
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bool is_pseudo_head(expr * n, unsigned num_decls, app * & head, app * & t);
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bool is_pseudo_predicate_macro(expr * n, app * & head, app * & t, expr * & def);
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public:
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macro_finder(ast_manager & m, macro_manager & mm);
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@ -50,3 +52,4 @@ public:
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};
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#endif /* MACRO_FINDER_H_ */
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@ -28,7 +28,7 @@ Revision History:
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macro_manager::macro_manager(ast_manager & m, simplifier & s):
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m_manager(m),
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m_simplifier(s),
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m_util(m),
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m_util(m, s),
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m_decls(m),
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m_macros(m),
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m_macro_prs(m),
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@ -20,8 +20,8 @@ Revision History:
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#include "ast/macros/macro_util.h"
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#include "ast/occurs.h"
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#include "ast/ast_util.h"
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#include "ast/arith_decl_plugin.h"
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#include "ast/bv_decl_plugin.h"
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#include "ast/simplifier/arith_simplifier_plugin.h"
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#include "ast/simplifier/bv_simplifier_plugin.h"
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#include "ast/rewriter/var_subst.h"
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#include "ast/ast_pp.h"
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#include "ast/ast_ll_pp.h"
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@ -29,73 +29,96 @@ Revision History:
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#include "ast/well_sorted.h"
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#include "ast/rewriter/bool_rewriter.h"
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macro_util::macro_util(ast_manager & m):
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macro_util::macro_util(ast_manager & m, simplifier & s):
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m_manager(m),
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m_arith_rw(m),
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m_arith_util(m_arith_rw.get_util()),
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m_bv_rw(m),
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m_bv_util(m_bv_rw.get_util()),
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m_bv(m),
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m_simplifier(s),
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m_arith_simp(0),
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m_bv_simp(0),
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m_forbidden_set(0),
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m_curr_clause(0) {
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}
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arith_simplifier_plugin * macro_util::get_arith_simp() const {
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if (m_arith_simp == 0) {
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const_cast<macro_util*>(this)->m_arith_simp = static_cast<arith_simplifier_plugin*>(m_simplifier.get_plugin(m_manager.mk_family_id("arith")));
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}
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SASSERT(m_arith_simp != 0);
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return m_arith_simp;
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}
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bv_simplifier_plugin * macro_util::get_bv_simp() const {
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if (m_bv_simp == 0) {
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const_cast<macro_util*>(this)->m_bv_simp = static_cast<bv_simplifier_plugin*>(m_simplifier.get_plugin(m_manager.mk_family_id("bv")));
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}
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SASSERT(m_bv_simp != 0);
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return m_bv_simp;
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}
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bool macro_util::is_bv(expr * n) const {
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return m_bv_util.is_bv(n);
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return m_bv.is_bv(n);
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}
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bool macro_util::is_bv_sort(sort * s) const {
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return m_bv_util.is_bv_sort(s);
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return m_bv.is_bv_sort(s);
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}
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bool macro_util::is_add(expr * n) const {
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return m_arith_util.is_add(n) || m_bv_util.is_bv_add(n);
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return get_arith_simp()->is_add(n) || m_bv.is_bv_add(n);
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}
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bool macro_util::is_times_minus_one(expr * n, expr * & arg) const {
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return is_app(n) && to_app(n)->get_num_args() == 2 &&
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((m_arith_rw.is_mul(n) && m_arith_rw.is_times_minus_one(to_app(n)->get_arg(0), arg)) ||
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(m_bv_rw.is_mul(n) && m_bv_rw.is_times_minus_one(to_app(n)->get_arg(0), arg)));
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return get_arith_simp()->is_times_minus_one(n, arg) || get_bv_simp()->is_times_minus_one(n, arg);
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}
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bool macro_util::is_le(expr * n) const {
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return m_arith_util.is_le(n) || m_bv_util.is_bv_ule(n) || m_bv_util.is_bv_sle(n);
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return get_arith_simp()->is_le(n) || m_bv.is_bv_ule(n) || m_bv.is_bv_sle(n);
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}
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bool macro_util::is_le_ge(expr * n) const {
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return m_arith_util.is_le(n) || m_arith_util.is_ge(n) ||
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m_bv_util.is_bv_ule(n) || m_bv_util.is_bv_sle(n);
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return get_arith_simp()->is_le_ge(n) || m_bv.is_bv_ule(n) || m_bv.is_bv_sle(n);
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}
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poly_simplifier_plugin * macro_util::get_poly_simp_for(sort * s) const {
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if (is_bv_sort(s))
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return get_bv_simp();
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else
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return get_arith_simp();
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}
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app * macro_util::mk_zero(sort * s) const {
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if (is_bv_sort(s))
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return m_bv_util.mk_numeral(rational(0), s);
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else
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return m_arith_util.mk_numeral(0, s);
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poly_simplifier_plugin * ps = get_poly_simp_for(s);
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ps->set_curr_sort(s);
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return ps->mk_zero();
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}
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void macro_util::mk_sub(expr * t1, expr * t2, expr_ref & r) const {
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if (is_bv(t1))
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r = m_bv_util.mk_bv_sub(t1, t2);
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else
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r = m_arith_util.mk_sub(t1, t2);
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if (is_bv(t1)) {
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r = m_bv.mk_bv_sub(t1, t2);
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}
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else {
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get_arith_simp()->mk_sub(t1, t2, r);
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}
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}
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void macro_util::mk_add(expr * t1, expr * t2, expr_ref & r) const {
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if (is_bv(t1))
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r = m_bv_util.mk_bv_add(t1, t2);
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else
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m_arith_util.mk_add(t1, t2, r);
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if (is_bv(t1)) {
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r = m_bv.mk_bv_add(t1, t2);
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}
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else {
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get_arith_simp()->mk_add(t1, t2, r);
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}
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}
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void macro_util::mk_add(unsigned num_args, expr * const * args, sort * s, expr_ref & r) const {
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if (num_args == 0)
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if (num_args == 0) {
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r = mk_zero(s);
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else if (num_args == 1)
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r = args[0];
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else if (is_bv_sort(s))
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m_bv_rw.mk_add(num_args, args, r);
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else
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m_arith_rw.mk_add(num_args, args, r);
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return;
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}
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poly_simplifier_plugin * ps = get_poly_simp_for(s);
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ps->set_curr_sort(s);
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ps->mk_add(num_args, args, r);
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}
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/**
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@ -218,12 +241,13 @@ bool macro_util::poly_contains_head(expr * n, func_decl * f, expr * exception) c
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bool macro_util::is_arith_macro(expr * n, unsigned num_decls, app_ref & head, expr_ref & def, bool & inv) const {
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// TODO: obsolete... we should move to collect_arith_macro_candidates
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if (!m_manager.is_eq(n) && !m_arith_util.is_le(n) && !m_arith_util.is_ge(n))
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arith_simplifier_plugin * as = get_arith_simp();
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if (!m_manager.is_eq(n) && !as->is_le(n) && !as->is_ge(n))
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return false;
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expr * lhs = to_app(n)->get_arg(0);
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expr * rhs = to_app(n)->get_arg(1);
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if (!m_arith_util.is_numeral(rhs))
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if (!as->is_numeral(rhs))
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return false;
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inv = false;
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@ -248,7 +272,7 @@ bool macro_util::is_arith_macro(expr * n, unsigned num_decls, app_ref & head, ex
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!poly_contains_head(lhs, to_app(arg)->get_decl(), arg)) {
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h = arg;
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}
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else if (h == 0 && m_arith_util.is_times_minus_one(arg, neg_arg) &&
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else if (h == 0 && as->is_times_minus_one(arg, neg_arg) &&
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is_macro_head(neg_arg, num_decls) &&
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!is_forbidden(to_app(neg_arg)->get_decl()) &&
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!poly_contains_head(lhs, to_app(neg_arg)->get_decl(), arg)) {
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@ -263,11 +287,11 @@ bool macro_util::is_arith_macro(expr * n, unsigned num_decls, app_ref & head, ex
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return false;
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head = to_app(h);
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expr_ref tmp(m_manager);
|
||||
m_arith_rw.mk_add(args.size(), args.c_ptr(), tmp);
|
||||
as->mk_add(args.size(), args.c_ptr(), tmp);
|
||||
if (inv)
|
||||
m_arith_rw.mk_sub(tmp, rhs, def);
|
||||
as->mk_sub(tmp, rhs, def);
|
||||
else
|
||||
m_arith_rw.mk_sub(rhs, tmp, def);
|
||||
as->mk_sub(rhs, tmp, def);
|
||||
return true;
|
||||
}
|
||||
|
||||
|
|
|
|||
|
|
@ -22,8 +22,12 @@ Revision History:
|
|||
|
||||
#include "ast/ast.h"
|
||||
#include "util/obj_hashtable.h"
|
||||
#include "ast/rewriter/arith_rewriter.h"
|
||||
#include "ast/rewriter/bv_rewriter.h"
|
||||
#include "ast/simplifier/simplifier.h"
|
||||
|
||||
class poly_simplifier_plugin;
|
||||
class arith_simplifier_plugin;
|
||||
class bv_simplifier_plugin;
|
||||
class basic_simplifier_plugin;
|
||||
|
||||
class macro_util {
|
||||
public:
|
||||
|
|
@ -58,10 +62,10 @@ public:
|
|||
|
||||
private:
|
||||
ast_manager & m_manager;
|
||||
mutable arith_rewriter m_arith_rw;
|
||||
arith_util & m_arith_util;
|
||||
mutable bv_rewriter m_bv_rw;
|
||||
bv_util & m_bv_util;
|
||||
bv_util m_bv;
|
||||
simplifier & m_simplifier;
|
||||
arith_simplifier_plugin * m_arith_simp;
|
||||
bv_simplifier_plugin * m_bv_simp;
|
||||
obj_hashtable<func_decl> * m_forbidden_set;
|
||||
|
||||
bool is_forbidden(func_decl * f) const { return m_forbidden_set != 0 && m_forbidden_set->contains(f); }
|
||||
|
|
@ -90,13 +94,11 @@ private:
|
|||
|
||||
|
||||
public:
|
||||
macro_util(ast_manager & m);
|
||||
macro_util(ast_manager & m, simplifier & s);
|
||||
void set_forbidden_set(obj_hashtable<func_decl> * s) { m_forbidden_set = s; }
|
||||
|
||||
arith_util & get_arith_util() const { return m_arith_util; }
|
||||
bv_util & get_bv_util() const { return m_bv_util; }
|
||||
arith_rewriter & get_arith_rw() const { return m_arith_rw; }
|
||||
bv_rewriter & get_bv_rw() const { return m_bv_rw; }
|
||||
arith_simplifier_plugin * get_arith_simp() const;
|
||||
bv_simplifier_plugin * get_bv_simp() const;
|
||||
|
||||
bool is_macro_head(expr * n, unsigned num_decls) const;
|
||||
bool is_left_simple_macro(expr * n, unsigned num_decls, app_ref & head, expr_ref & def) const;
|
||||
|
|
@ -135,6 +137,7 @@ public:
|
|||
void mk_sub(expr * t1, expr * t2, expr_ref & r) const;
|
||||
void mk_add(expr * t1, expr * t2, expr_ref & r) const;
|
||||
void mk_add(unsigned num_args, expr * const * args, sort * s, expr_ref & r) const;
|
||||
poly_simplifier_plugin * get_poly_simp_for(sort * s) const;
|
||||
};
|
||||
|
||||
#endif
|
||||
|
|
|
|||
|
|
@ -29,10 +29,10 @@ protected:
|
|||
bool m_expand_power;
|
||||
bool m_mul2power;
|
||||
bool m_expand_tan;
|
||||
|
||||
|
||||
ast_manager & m() const { return m_util.get_manager(); }
|
||||
family_id get_fid() const { return m_util.get_family_id(); }
|
||||
|
||||
|
||||
bool is_numeral(expr * n) const { return m_util.is_numeral(n); }
|
||||
bool is_numeral(expr * n, numeral & r) const { return m_util.is_numeral(n, r); }
|
||||
bool is_zero(expr * n) const { return m_util.is_zero(n); }
|
||||
|
|
@ -77,7 +77,7 @@ class arith_rewriter : public poly_rewriter<arith_rewriter_core> {
|
|||
br_status mk_div_irrat_rat(expr * arg1, expr * arg2, expr_ref & result);
|
||||
br_status mk_div_rat_irrat(expr * arg1, expr * arg2, expr_ref & result);
|
||||
br_status mk_div_irrat_irrat(expr * arg1, expr * arg2, expr_ref & result);
|
||||
|
||||
|
||||
bool is_reduce_power_target(expr * arg, bool is_eq);
|
||||
expr * reduce_power(expr * arg, bool is_eq);
|
||||
br_status reduce_power(expr * arg1, expr * arg2, op_kind kind, expr_ref & result);
|
||||
|
|
@ -154,16 +154,16 @@ public:
|
|||
if (mk_rem_core(arg1, arg2, result) == BR_FAILED)
|
||||
result = m().mk_app(get_fid(), OP_REM, arg1, arg2);
|
||||
}
|
||||
|
||||
|
||||
br_status mk_to_int_core(expr * arg, expr_ref & result);
|
||||
br_status mk_to_real_core(expr * arg, expr_ref & result);
|
||||
void mk_to_int(expr * arg, expr_ref & result) {
|
||||
void mk_to_int(expr * arg, expr_ref & result) {
|
||||
if (mk_to_int_core(arg, result) == BR_FAILED)
|
||||
result = m().mk_app(get_fid(), OP_TO_INT, 1, &arg);
|
||||
result = m().mk_app(get_fid(), OP_TO_INT, 1, &arg);
|
||||
}
|
||||
void mk_to_real(expr * arg, expr_ref & result) {
|
||||
if (mk_to_real_core(arg, result) == BR_FAILED)
|
||||
result = m().mk_app(get_fid(), OP_TO_REAL, 1, &arg);
|
||||
void mk_to_real(expr * arg, expr_ref & result) {
|
||||
if (mk_to_real_core(arg, result) == BR_FAILED)
|
||||
result = m().mk_app(get_fid(), OP_TO_REAL, 1, &arg);
|
||||
}
|
||||
br_status mk_is_int(expr * arg, expr_ref & result);
|
||||
|
||||
|
|
@ -178,8 +178,6 @@ public:
|
|||
br_status mk_sinh_core(expr * arg, expr_ref & result);
|
||||
br_status mk_cosh_core(expr * arg, expr_ref & result);
|
||||
br_status mk_tanh_core(expr * arg, expr_ref & result);
|
||||
|
||||
arith_util & get_util() { return m_util; }
|
||||
};
|
||||
|
||||
#endif
|
||||
|
|
|
|||
|
|
@ -159,63 +159,6 @@ public:
|
|||
expr* args[2] = { a1, a2 };
|
||||
mk_sub(2, args, result);
|
||||
}
|
||||
|
||||
bool is_times_minus_one(expr * n, expr * & r) const {
|
||||
if (is_mul(n) && to_app(n)->get_num_args() == 2 && is_minus_one(to_app(n)->get_arg(0))) {
|
||||
r = to_app(n)->get_arg(1);
|
||||
return true;
|
||||
}
|
||||
return false;
|
||||
}
|
||||
|
||||
/**
|
||||
\brief Return true if n is can be put into the form (+ v t) or (+ (- v) t)
|
||||
\c inv = true will contain true if (- v) is found, and false otherwise.
|
||||
*/
|
||||
bool is_var_plus_ground(expr * n, bool & inv, var * & v, expr_ref & t) {
|
||||
if (!is_add(n) || is_ground(n))
|
||||
return false;
|
||||
|
||||
ptr_buffer<expr> args;
|
||||
v = 0;
|
||||
expr * curr = to_app(n);
|
||||
bool stop = false;
|
||||
inv = false;
|
||||
while (!stop) {
|
||||
expr * arg;
|
||||
expr * neg_arg;
|
||||
if (is_add(curr)) {
|
||||
arg = to_app(curr)->get_arg(0);
|
||||
curr = to_app(curr)->get_arg(1);
|
||||
}
|
||||
else {
|
||||
arg = curr;
|
||||
stop = true;
|
||||
}
|
||||
if (is_ground(arg)) {
|
||||
args.push_back(arg);
|
||||
}
|
||||
else if (is_var(arg)) {
|
||||
if (v != 0)
|
||||
return false; // already found variable
|
||||
v = to_var(arg);
|
||||
}
|
||||
else if (is_times_minus_one(arg, neg_arg) && is_var(neg_arg)) {
|
||||
if (v != 0)
|
||||
return false; // already found variable
|
||||
v = to_var(neg_arg);
|
||||
inv = true;
|
||||
}
|
||||
else {
|
||||
return false; // non ground term.
|
||||
}
|
||||
}
|
||||
if (v == 0)
|
||||
return false; // did not find variable
|
||||
SASSERT(!args.empty());
|
||||
mk_add(args.size(), args.c_ptr(), t);
|
||||
return true;
|
||||
}
|
||||
};
|
||||
|
||||
|
||||
|
|
|
|||
|
|
@ -1873,12 +1873,12 @@ namespace smt {
|
|||
fill the structure quantifier_info.
|
||||
*/
|
||||
class quantifier_analyzer {
|
||||
model_finder & m_mf;
|
||||
model_finder& m_mf;
|
||||
ast_manager & m_manager;
|
||||
macro_util m_mutil;
|
||||
array_util m_array_util;
|
||||
arith_util & m_arith_util;
|
||||
bv_util & m_bv_util;
|
||||
arith_util m_arith_util;
|
||||
bv_util m_bv_util;
|
||||
|
||||
quantifier_info * m_info;
|
||||
|
||||
|
|
@ -1897,12 +1897,14 @@ namespace smt {
|
|||
m_info->insert_qinfo(qi);
|
||||
}
|
||||
|
||||
arith_simplifier_plugin * get_arith_simp() const { return m_mutil.get_arith_simp(); }
|
||||
bv_simplifier_plugin * get_bv_simp() const { return m_mutil.get_bv_simp(); }
|
||||
|
||||
bool is_var_plus_ground(expr * n, bool & inv, var * & v, expr_ref & t) const {
|
||||
return m_mutil.get_arith_rw().is_var_plus_ground(n, inv, v, t) ||
|
||||
m_mutil.get_bv_rw().is_var_plus_ground(n, inv, v, t);
|
||||
return get_arith_simp()->is_var_plus_ground(n, inv, v, t) || get_bv_simp()->is_var_plus_ground(n, inv, v, t);
|
||||
}
|
||||
|
||||
bool is_var_plus_ground(expr * n, var * & v, expr_ref & t) const {
|
||||
bool is_var_plus_ground(expr * n, var * & v, expr_ref & t) {
|
||||
bool inv;
|
||||
TRACE("is_var_plus_ground", tout << mk_pp(n, m_manager) << "\n";
|
||||
tout << "is_var_plus_ground: " << is_var_plus_ground(n, inv, v, t) << "\n";
|
||||
|
|
@ -1915,11 +1917,10 @@ namespace smt {
|
|||
}
|
||||
|
||||
bool is_zero(expr * n) const {
|
||||
if (m_bv_util.is_bv(n))
|
||||
return m_bv_util.is_zero(n);
|
||||
else {
|
||||
return m_arith_util.is_zero(n);
|
||||
}
|
||||
if (get_bv_simp()->is_bv(n))
|
||||
return get_bv_simp()->is_zero_safe(n);
|
||||
else
|
||||
return get_arith_simp()->is_zero_safe(n);
|
||||
}
|
||||
|
||||
bool is_times_minus_one(expr * n, expr * & arg) const {
|
||||
|
|
@ -1938,7 +1939,7 @@ namespace smt {
|
|||
return m_bv_util.is_bv_sle(n);
|
||||
}
|
||||
|
||||
expr * mk_one(sort * s) const {
|
||||
expr * mk_one(sort * s) {
|
||||
return m_bv_util.is_bv_sort(s) ? m_bv_util.mk_numeral(rational(1), s) : m_arith_util.mk_numeral(rational(1), s);
|
||||
}
|
||||
|
||||
|
|
@ -1950,7 +1951,7 @@ namespace smt {
|
|||
m_mutil.mk_add(t1, t2, r);
|
||||
}
|
||||
|
||||
bool is_var_and_ground(expr * lhs, expr * rhs, var * & v, expr_ref & t, bool & inv) {
|
||||
bool is_var_and_ground(expr * lhs, expr * rhs, var * & v, expr_ref & t, bool & inv) const {
|
||||
inv = false; // true if invert the sign
|
||||
TRACE("is_var_and_ground", tout << "is_var_and_ground: " << mk_ismt2_pp(lhs, m_manager) << " " << mk_ismt2_pp(rhs, m_manager) << "\n";);
|
||||
if (is_var(lhs) && is_ground(rhs)) {
|
||||
|
|
@ -1985,12 +1986,12 @@ namespace smt {
|
|||
return false;
|
||||
}
|
||||
|
||||
bool is_var_and_ground(expr * lhs, expr * rhs, var * & v, expr_ref & t) {
|
||||
bool is_var_and_ground(expr * lhs, expr * rhs, var * & v, expr_ref & t) const {
|
||||
bool inv;
|
||||
return is_var_and_ground(lhs, rhs, v, t, inv);
|
||||
}
|
||||
|
||||
bool is_x_eq_t_atom(expr * n, var * & v, expr_ref & t) {
|
||||
bool is_x_eq_t_atom(expr * n, var * & v, expr_ref & t) const {
|
||||
if (!is_app(n))
|
||||
return false;
|
||||
if (m_manager.is_eq(n))
|
||||
|
|
@ -2381,10 +2382,10 @@ namespace smt {
|
|||
quantifier_analyzer(model_finder& mf, ast_manager & m, simplifier & s):
|
||||
m_mf(mf),
|
||||
m_manager(m),
|
||||
m_mutil(m),
|
||||
m_mutil(m, s),
|
||||
m_array_util(m),
|
||||
m_arith_util(m_mutil.get_arith_util()),
|
||||
m_bv_util(m_mutil.get_bv_util()),
|
||||
m_arith_util(m),
|
||||
m_bv_util(m),
|
||||
m_info(0) {
|
||||
}
|
||||
|
||||
|
|
|
|||
Loading…
Reference in a new issue