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seq, API

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Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
This commit is contained in:
Nikolaj Bjorner 2016-01-04 22:06:32 -08:00
parent d7dcd022b9
commit 2c1d2aad44
3 changed files with 20 additions and 30 deletions
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16
src/smt/theory_seq.cpp
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@ -166,6 +166,8 @@ theory_seq::theory_seq(ast_manager& m):
m_autil(m),
m_trail_stack(*this),
m_atoms_qhead(0),
m_ls(m), m_rs(m),
m_lhs(m), m_rhs(m),
m_new_solution(false),
m_new_propagation(false) {
m_prefix = "seq.prefix.suffix";
@ -874,17 +876,21 @@ void theory_seq::solve_ne(unsigned idx) {
}
}
for (unsigned i = 0; i < n.m_lhs.size(); ++i) {
expr_ref_vector lhs(m), rhs(m);
expr_ref_vector& ls = m_ls;
expr_ref_vector& rs = m_rs;
expr_ref_vector& lhs = m_lhs;
expr_ref_vector& rhs = m_rhs;
ls.reset(); rs.reset(); lhs.reset(); rhs.reset();
dependency* deps = 0;
expr* l = n.m_lhs[i];
expr* r = n.m_rhs[i];
expr_ref lh = canonize(l, deps);
expr_ref rh = canonize(r, deps);
if (!rw.reduce_eq(lh, rh, lhs, rhs)) {
canonize(l, ls, deps);
canonize(r, rs, deps);
if (!rw.reduce_eq(ls, rs, lhs, rhs)) {
mark_solved(idx);
return;
}
else if (unchanged(l, lhs, r, rhs) ) {
else if (lhs.empty() || (lhs.size() == 1 && lhs[0].get() == l)) {
// continue
}
else {