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simplify_concat_equality() and easy cases there

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still WIP especially wrt. model generation but what's here does work
This commit is contained in:
Murphy Berzish 2015-09-29 20:19:43 -04:00
parent 8ed86d2f19
commit 1cdfe159b8
3 changed files with 401 additions and 5 deletions
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12
src/smt/theory_str.h
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@ -65,7 +65,7 @@ namespace smt {
void assert_axiom(expr * e);
void assert_implication(expr * premise, expr * conclusion);
app * mk_strlen(app * e);
app * mk_strlen(expr * e);
app * mk_concat(app * e1, app * e2);
app * mk_internal_xor_var();
@ -82,6 +82,16 @@ namespace smt {
void handle_equality(expr * lhs, expr * rhs);
expr * get_eqc_value(expr * n, bool & hasEqcValue);
bool in_same_eqc(expr * n1, expr * n2);
bool can_two_nodes_eq(expr * n1, expr * n2);
bool can_concat_eq_str(expr * concat, std::string str);
bool can_concat_eq_concat(expr * concat1, expr * concat2);
void get_nodes_in_concat(expr * node, ptr_vector<expr> & nodeList);
expr * simplify_concat(expr * node);
void simplify_parent(expr * nn, expr * eq_str);
void simplify_concat_equality(expr * lhs, expr * rhs);
void solve_concat_eq_str(expr * concat, expr * str);