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ubv2s step3

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This commit is contained in:
Nikolaj Bjorner 2021-07-12 17:15:08 +02:00
parent b6a3891ac4
commit f74adb1ebd
4 changed files with 15 additions and 2 deletions
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1
src/smt/seq_axioms.h
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@ -80,6 +80,7 @@ namespace smt {
void add_stoi_axiom(expr* e, unsigned k) { m_ax.stoi_axiom(e, k); }
void add_itos_axiom(expr* s, unsigned k) { m_ax.itos_axiom(s, k); }
void add_ubv2s_axiom(expr* b, unsigned k) { m_ax.ubv2s_axiom(b, k); }
void add_ubv2ch_axioms(sort* s) { m_ax.ubv2ch_axiom(s); }
void add_lt_axiom(expr* n) { m_ax.lt_axiom(n); }
void add_le_axiom(expr* n) { m_ax.le_axiom(n); }
void add_is_digit_axiom(expr* n) { m_ax.is_digit_axiom(n); }

8
src/smt/theory_seq.cpp
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@ -1579,6 +1579,14 @@ bool theory_seq::check_ubv_string(expr* e) {
k++;
value = div(value, rational(10));
}
bool has_sort = false;
for (auto* e2 : m_has_ubv_axiom) {
expr* b2 = nullptr;
VERIFY(m_util.str.is_ubv2s(e2, b2));
has_sort |= b2->get_sort() == b->get_sort();
}
if (!has_sort)
m_ax.add_ubv2ch_axioms(b->get_sort());
m_has_ubv_axiom.insert(e);
m_trail_stack.push(insert_obj_trail<expr>(m_has_ubv_axiom, e));
m_ax.add_ubv2s_axiom(b, k);