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seq

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Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
This commit is contained in:
Nikolaj Bjorner 2015-12-28 10:28:43 -08:00
parent 071a654a9a
commit 739043e273
4 changed files with 213 additions and 157 deletions
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12
src/smt/theory_seq.h
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@ -259,17 +259,17 @@ namespace smt {
unsigned m_axioms_head; // index of first axiom to add.
unsigned m_branch_variable_head; // index of first equation to examine.
bool m_incomplete; // is the solver (clearly) incomplete for the fragment.
obj_hashtable<expr> m_length; // is length applied
bool m_model_completion; // during model construction, invent values in canonizer
obj_hashtable<expr> m_length; // is length applied
model_generator* m_mg;
th_rewriter m_rewrite;
seq_util m_util;
arith_util m_autil;
th_trail_stack m_trail_stack;
stats m_stats;
symbol m_prefix, m_suffix, m_contains_left, m_contains_right, m_left, m_right, m_accept, m_reject;
symbol m_tail, m_head_elem, m_seq_first, m_seq_last, m_indexof_left, m_indexof_right, m_aut_step;
symbol m_prefix, m_suffix, m_contains_left, m_contains_right, m_accept, m_reject;
symbol m_tail, m_nth, m_seq_first, m_seq_last, m_indexof_left, m_indexof_right, m_aut_step;
symbol m_extract_prefix, m_at_left, m_at_right;
ptr_vector<expr> m_todo;
// maintain automata with regular expressions.
scoped_ptr_vector<eautomaton> m_automata;
@ -348,7 +348,6 @@ namespace smt {
void add_replace_axiom(expr* e);
void add_extract_axiom(expr* e);
void add_length_axiom(expr* n);
void add_length_coherence_axiom(expr* n);
bool has_length(expr *e) const { return m_length.contains(e); }
void add_length(expr* e);
@ -407,6 +406,9 @@ namespace smt {
theory_seq(ast_manager& m);
virtual ~theory_seq();
// model building
app* mk_value(app* a);
};
};