mirrors/z3
3
0
Fork 0
mirror of https://github.com/Z3Prover/z3 synced 2025-10-09 01:11:55 +00:00
Code Activity

add stub for cheap equality propagation

Browse source 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
This commit is contained in:
Nikolaj Bjorner 2020-05-30 15:36:17 -07:00
parent 6a45c5d17c
commit d372af4782
13 changed files with 131 additions and 105 deletions
Download patch file Download diff file Expand all files Collapse all files

3
src/smt/theory_seq.cpp
View file

@ -1173,6 +1173,8 @@ bool theory_seq::reduce_length(unsigned i, unsigned j, bool front, expr_ref_vect
expr_ref lenl = mk_len(l);
expr_ref lenr = mk_len(r);
literal lit = mk_eq(lenl, lenr, false);
ctx.mark_as_relevant(lit);
if (ctx.get_assignment(lit) == l_true) {
expr_ref_vector lhs(m), rhs(m);
lhs.append(l2, ls2);
@ -2753,7 +2755,6 @@ bool theory_seq::lower_bound(expr* e, rational& lo) const {
VERIFY(m_autil.is_int(e));
bool is_strict = true;
return m_arith_value.get_lo(e, lo, is_strict) && !is_strict && lo.is_int();
}
bool theory_seq::upper_bound(expr* e, rational& hi) const {