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initial pass at using derivatives in regex unfolding

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Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
This commit is contained in:
Nikolaj Bjorner 2020-05-23 11:52:53 -07:00
parent b7b8ed23fb
commit eb3f20832e
11 changed files with 694 additions and 228 deletions
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4
src/smt/theory_seq.h
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@ -34,11 +34,14 @@ Revision History:
#include "smt/seq_skolem.h"
#include "smt/seq_axioms.h"
#include "smt/seq_unicode.h"
#include "smt/seq_regex.h"
#include "smt/seq_offset_eq.h"
namespace smt {
class theory_seq : public theory {
friend class seq_regex;
struct assumption {
enode* n1, *n2;
literal lit;
@ -404,6 +407,7 @@ namespace smt {
seq_skolem m_sk;
seq_axioms m_ax;
seq_unicode m_unicode;
seq_regex m_regex;
arith_value m_arith_value;
th_trail_stack m_trail_stack;
stats m_stats;