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add range / loop handling for re. Fix regression reading mixed numerals reported by Trentin

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Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
This commit is contained in:
Nikolaj Bjorner 2016-01-13 00:49:31 -08:00
parent 9a6fe93e6c
commit 9909c056f0
8 changed files with 200 additions and 58 deletions
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src/smt/theory_seq.h
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@ -278,6 +278,7 @@ namespace smt {
unsigned m_atoms_qhead;
bool m_new_solution; // new solution added
bool m_new_propagation; // new propagation to core
re2automaton m_mk_aut;
virtual final_check_status final_check_eh();
virtual bool internalize_atom(app* atom, bool) { return internalize_term(atom); }
@ -411,7 +412,7 @@ namespace smt {
return is_acc_rej(m_reject, rej, s, idx, re, i, aut);
}
bool is_acc_rej(symbol const& ar, expr* e, expr*& s, expr*& idx, expr*& re, unsigned& i, eautomaton*& aut);
expr_ref mk_step(expr* s, expr* tail, expr* re, unsigned i, unsigned j, expr* t);
expr_ref mk_step(expr* s, expr* tail, expr* re, unsigned i, unsigned j, expr* acc);
bool is_step(expr* e, expr*& s, expr*& tail, expr*& re, expr*& i, expr*& j, expr*& t) const;
bool is_step(expr* e) const;
void propagate_step(literal lit, expr* n);