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start simplify_concat_eq(), WIP but some cases OK

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also fix model generation for concats and nested concats
This commit is contained in:
Murphy Berzish 2015-09-29 22:31:11 -04:00
parent 1cdfe159b8
commit a62d15403e
2 changed files with 108 additions and 12 deletions
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4
src/smt/theory_str.h
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@ -66,7 +66,8 @@ namespace smt {
void assert_implication(expr * premise, expr * conclusion);
app * mk_strlen(expr * e);
app * mk_concat(app * e1, app * e2);
expr * mk_concat(expr * n1, expr * n2);
expr * mk_concat_const_str(expr * n1, expr * n2);
app * mk_internal_xor_var();
@ -81,6 +82,7 @@ namespace smt {
void set_up_axioms(expr * ex);
void handle_equality(expr * lhs, expr * rhs);
app * mk_value_helper(app * n);
expr * get_eqc_value(expr * n, bool & hasEqcValue);
bool in_same_eqc(expr * n1, expr * n2);