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add evaluation of array equalities to model evaluator

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Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
This commit is contained in:
Nikolaj Bjorner 2016-04-02 15:07:01 +02:00
parent f6aaa5cc8d
commit 03336ab9f2
3 changed files with 273 additions and 4 deletions
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7
src/smt/theory_seq.h
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@ -358,6 +358,8 @@ namespace smt {
void init_model(expr_ref_vector const& es);
// final check
bool simplify_and_solve_eqs(); // solve unitary equalities
bool reduce_length_eq();
bool branch_variable_mb(); // branch on a variable, model based on length
bool branch_variable(); // branch on a variable
bool split_variable(); // split a variable
bool is_solved();
@ -367,6 +369,10 @@ namespace smt {
bool fixed_length();
bool fixed_length(expr* e);
bool propagate_length_coherence(expr* e);
bool split_lengths(dependency* dep,
expr_ref_vector const& ls, expr_ref_vector const& rs,
vector<rational> const& ll, vector<rational> const& rl);
bool set_empty(expr* x);
bool check_extensionality();
bool check_contains();
@ -465,6 +471,7 @@ namespace smt {
bool has_length(expr *e) const { return m_length.contains(e); }
void add_length(expr* e);
void enforce_length(enode* n);
bool enforce_length(expr_ref_vector const& es, vector<rational>& len);
void enforce_length_coherence(enode* n1, enode* n2);
void add_elim_string_axiom(expr* n);