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add missing axioms for str.at. Issue #953

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Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
This commit is contained in:
Nikolaj Bjorner 2017-03-25 19:31:01 +01:00
parent ec47706226
commit 3a9857940e
4 changed files with 35 additions and 29 deletions
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3
src/ast/macros/macro_util.h
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@ -62,10 +62,10 @@ public:
private:
ast_manager & m_manager;
bv_util m_bv;
simplifier & m_simplifier;
arith_simplifier_plugin * m_arith_simp;
bv_simplifier_plugin * m_bv_simp;
basic_simplifier_plugin * m_basic_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); }
@ -99,7 +99,6 @@ public:
arith_simplifier_plugin * get_arith_simp() const;
bv_simplifier_plugin * get_bv_simp() const;
basic_simplifier_plugin * get_basic_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;