mirrors/z3
3
0
Fork 0
mirror of https://github.com/Z3Prover/z3 synced 2025-10-03 14:33:56 +00:00
Code Activity

fix #3935

Browse source 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
This commit is contained in:
Nikolaj Bjorner 2020-04-13 10:00:42 -07:00
parent 01c12c951c
commit 5c4f775b1b
3 changed files with 11 additions and 7 deletions
Download patch file Download diff file Expand all files Collapse all files

7
src/smt/theory_seq.cpp
View file

@ -6366,8 +6366,8 @@ bool theory_seq::is_accept(expr* e, expr*& s, expr*& idx, expr*& re, unsigned& i
VERIFY(m_autil.is_numeral(to_app(e)->get_arg(3), r));
SASSERT(r.is_unsigned());
i = r.get_unsigned();
aut = get_automaton(re);
return true;
aut = get_automaton(re);
return aut != nullptr;
}
else {
return false;
@ -6444,7 +6444,8 @@ void theory_seq::propagate_accept(literal lit, expr* acc) {
context& ctx = get_context();
rational _idx;
eautomaton* aut = nullptr;
VERIFY(is_accept(acc, e, idx, re, src, aut));
if (!is_accept(acc, e, idx, re, src, aut))
return;
VERIFY(m_autil.is_numeral(idx, _idx));
VERIFY(aut);
if (aut->is_sink_state(src)) {